* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f8f6f2;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0 16px;
        }
        a {
            color: #2a6d9c;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #1a4a6e;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1240px;
            margin: 0 auto;
            background: #ffffff;
            padding: 20px 28px 40px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
            border-radius: 24px;
            margin-top: 20px;
            margin-bottom: 40px;
        }
        .header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0 16px;
            border-bottom: 2px solid #e9e3da;
            position: relative;
        }
        .my-logo {
            font-size: 2.1rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #1e3a5f;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(145deg, #1e3a5f, #2a6d9c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo i {
            background: #1e3a5f;
            -webkit-text-fill-color: #fff;
            background-clip: unset;
            font-size: 1.8rem;
            padding: 6px;
            border-radius: 12px;
            background-color: #1e3a5f;
            color: #fff;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .nav-list {
            list-style: none;
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
        }
        .nav-list a {
            font-weight: 600;
            font-size: 1rem;
            padding: 6px 10px;
            border-radius: 30px;
            transition: background 0.2s, color 0.2s;
            color: #1e2a3a;
        }
        .nav-list a:hover {
            background: #e9e3da;
            color: #1e3a5f;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #1e2a3a;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #e9e3da;
        }
        .breadcrumb {
            padding: 14px 0 10px;
            font-size: 0.9rem;
            color: #5a6a7a;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            list-style: none;
            border-bottom: 1px solid #f0ebe4;
            margin-bottom: 20px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 8px;
            color: #aab5c0;
        }
        .breadcrumb a {
            color: #5a6a7a;
        }
        .breadcrumb a:hover {
            color: #2a6d9c;
        }
        @media (max-width: 820px) {
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #fff;
                padding: 18px 0 10px;
                gap: 6px;
                border-top: 1px solid #e9e3da;
                margin-top: 10px;
            }
            .nav-list.show {
                display: flex;
            }
            .hamburger {
                display: inline-block;
            }
            .header {
                flex-wrap: wrap;
            }
            .nav-wrapper {
                width: 100%;
                flex-direction: column;
                align-items: stretch;
            }
            .container {
                padding: 14px 16px 30px;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.5rem;
            }
            .my-logo i {
                font-size: 1.4rem;
            }
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            color: #0f2a44;
            margin: 20px 0 12px;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #163450;
            margin: 48px 0 14px;
            padding-bottom: 6px;
            border-bottom: 3px solid #dce5ed;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #1e4a6e;
            margin: 32px 0 10px;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #2a5f82;
            margin: 22px 0 8px;
        }
        p {
            margin-bottom: 18px;
            font-size: 1.04rem;
            color: #1e2a3a;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 400;
            color: #2c3e50;
            background: #f5f2ed;
            padding: 18px 24px;
            border-radius: 16px;
            border-left: 6px solid #2a6d9c;
        }
        .highlight {
            background: #fdf6e3;
            padding: 2px 8px;
            border-radius: 6px;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.6rem;
            margin-right: 6px;
        }
        .strategy-card {
            background: #f9f7f4;
            padding: 20px 24px;
            border-radius: 18px;
            margin: 18px 0 22px;
            border: 1px solid #e9e3da;
            transition: box-shadow 0.25s, transform 0.2s;
        }
        .strategy-card:hover {
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
            transform: translateY(-2px);
        }
        .strategy-card h4 {
            margin-top: 0;
        }
        .img-wrapper {
            margin: 30px 0 28px;
            border-radius: 18px;
            overflow: hidden;
            background: #eef2f5;
            text-align: center;
            padding: 8px;
        }
        .img-wrapper img {
            width: 100%;
            max-height: 520px;
            object-fit: cover;
            border-radius: 12px;
        }
        .img-caption {
            font-size: 0.9rem;
            color: #6a7a8a;
            padding: 10px 0 4px;
            font-style: italic;
        }
        .search-section {
            background: #edf2f7;
            padding: 28px 30px;
            border-radius: 20px;
            margin: 40px 0 30px;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .search-form input[type="text"] {
            flex: 1 1 240px;
            padding: 14px 20px;
            border: 2px solid #cdd9e6;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.25s;
            background: #fff;
        }
        .search-form input[type="text"]:focus {
            border-color: #2a6d9c;
        }
        .search-form button {
            padding: 14px 32px;
            background: #1e3a5f;
            color: #fff;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .search-form button:hover {
            background: #2a6d9c;
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin: 32px 0 20px;
        }
        @media (max-width: 720px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .feedback-card {
            background: #faf8f5;
            padding: 24px 26px;
            border-radius: 20px;
            border: 1px solid #e9e3da;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 12px 16px;
            border: 2px solid #dce0e6;
            border-radius: 12px;
            font-size: 0.98rem;
            font-family: inherit;
            background: #fff;
            transition: border-color 0.2s;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #2a6d9c;
            outline: none;
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card button {
            padding: 12px 24px;
            background: #1e3a5f;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            align-self: flex-start;
        }
        .feedback-card button:hover {
            background: #2a6d9c;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #e0d6c8;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            transition: color 0.15s;
            color: #d4cdc2;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b342;
        }
        .faq-item {
            padding: 16px 20px;
            border-bottom: 1px solid #ece6de;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            font-weight: 700;
            font-size: 1.08rem;
            color: #163450;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-question i {
            transition: transform 0.25s;
            color: #2a6d9c;
        }
        .faq-answer {
            padding-top: 8px;
            color: #2c3e50;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        footer {
            margin-top: 48px;
            padding-top: 28px;
            border-top: 2px solid #e9e3da;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 28px;
            margin-bottom: 18px;
        }
        .footer-links a {
            color: #3a5a7a;
            font-size: 0.95rem;
        }
        .footer-links a:hover {
            color: #1a3a5a;
        }
        .copyright {
            font-size: 0.9rem;
            color: #6a7a8a;
            padding: 12px 0 6px;
            border-top: 1px solid #f0ebe4;
            margin-top: 12px;
            text-align: center;
        }
        friend-link {
            display: block;
            padding: 16px 0 8px;
            font-size: 0.95rem;
            color: #3a5a7a;
        }
        friend-link a {
            margin: 0 8px 0 4px;
        }
        @media (max-width: 640px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .lead {
                font-size: 1.05rem;
                padding: 14px 16px;
            }
            .search-section {
                padding: 18px 16px;
            }
            .feedback-card {
                padding: 16px 18px;
            }
        }
        .text-muted {
            color: #6a7a8a;
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mb-10 {
            margin-bottom: 10px;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .gap-8 {
            gap: 8px;
        }
        .list-icon {
            color: #2a6d9c;
            margin-right: 8px;
        }
        ul {
            padding-left: 24px;
            margin-bottom: 18px;
        }
        li {
            margin-bottom: 6px;
        }
        .last-updated {
            display: inline-block;
            font-size: 0.85rem;
            color: #7a8a9a;
            background: #f0ebe4;
            padding: 4px 16px;
            border-radius: 30px;
            margin-bottom: 12px;
        }