* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f4f7fc;
            color: #1e2a3a;
            line-height: 1.7;
            font-size: 1.05rem;
            padding: 0 1rem;
        }
        a {
            color: #1565c0;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #0d47a1;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.05);
            border-radius: 24px;
            padding: 1.5rem 2rem 2rem;
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 0 0.8rem;
            border-bottom: 2px solid #e9edf2;
            position: relative;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #0b2b4a;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            color: #f57c00;
            font-size: 2.2rem;
        }
        .my-logo span {
            background: linear-gradient(135deg, #0b2b4a, #1a5276);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #1e2a3a;
            cursor: pointer;
            padding: 0.25rem 0.5rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #eef2f6;
        }
        nav {
            display: flex;
            gap: 1.8rem;
            align-items: center;
            flex-wrap: wrap;
        }
        nav a {
            font-weight: 500;
            color: #1e2a3a;
            padding: 0.4rem 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
            font-size: 0.95rem;
        }
        nav a:hover {
            border-bottom-color: #f57c00;
            color: #0b2b4a;
            text-decoration: none;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.8rem 0 0.4rem;
            font-size: 0.9rem;
            color: #5a6a7a;
            width: 100%;
            margin-top: 0.5rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 0.6rem;
            color: #a0b0c0;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #5a6a7a;
        }
        .breadcrumb a:hover {
            color: #1565c0;
        }
        .breadcrumb .active {
            color: #0b2b4a;
            font-weight: 600;
        }
        main {
            padding: 2rem 0 1.5rem;
        }
        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            color: #0b2b4a;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #0b2b4a;
            margin-top: 3rem;
            margin-bottom: 0.8rem;
            padding-bottom: 0.4rem;
            border-bottom: 3px solid #e9edf2;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #1a3c5e;
            margin-top: 2rem;
            margin-bottom: 0.6rem;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #2c4a6e;
            margin-top: 1.6rem;
            margin-bottom: 0.4rem;
        }
        p {
            margin-bottom: 1.2rem;
            color: #2a3a4a;
        }
        .lead {
            font-size: 1.2rem;
            color: #1e3a5f;
            font-weight: 400;
            background: #f0f5fe;
            padding: 1.2rem 1.8rem;
            border-radius: 16px;
            border-left: 5px solid #f57c00;
            margin-bottom: 2rem;
        }
        .badge {
            display: inline-block;
            background: #e8edf4;
            padding: 0.2rem 0.9rem;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            color: #1e3a5f;
            margin-right: 0.3rem;
        }
        .badge.orange {
            background: #fff0e0;
            color: #b55a00;
        }
        .badge.blue {
            background: #e0ecff;
            color: #004ba0;
        }
        .feature-box {
            background: #f8faff;
            border-radius: 20px;
            padding: 1.8rem 2rem;
            margin: 2rem 0;
            border: 1px solid #e0e8f0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
        }
        .feature-box h3 {
            margin-top: 0;
        }
        .feature-box i {
            color: #f57c00;
            margin-right: 0.5rem;
        }
        .step-list {
            list-style: none;
            counter-reset: step;
            margin: 1.2rem 0 1.8rem;
        }
        .step-list li {
            counter-increment: step;
            padding: 0.7rem 0 0.7rem 3rem;
            position: relative;
            margin-bottom: 0.5rem;
            font-weight: 400;
            background: #f8faff;
            border-radius: 12px;
            padding-left: 3.2rem;
        }
        .step-list li::before {
            content: counter(step);
            position: absolute;
            left: 0.6rem;
            top: 0.7rem;
            width: 2rem;
            height: 2rem;
            background: #0b2b4a;
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 700;
        }
        .tip-card {
            background: #fef9f0;
            border-radius: 16px;
            padding: 1.5rem 1.8rem;
            margin: 1.5rem 0;
            border-left: 5px solid #f57c00;
        }
        .tip-card i {
            color: #f57c00;
            margin-right: 0.5rem;
        }
        .quote-block {
            background: #f0f4fa;
            border-radius: 18px;
            padding: 2rem 2.2rem;
            margin: 2rem 0;
            font-style: italic;
            border: 1px solid #dce4ee;
            position: relative;
        }
        .quote-block::before {
            content: "“";
            font-size: 4rem;
            color: #c0d0e0;
            position: absolute;
            top: -0.2rem;
            left: 1rem;
            font-family: Georgia, serif;
            line-height: 1;
        }
        .quote-block cite {
            display: block;
            margin-top: 0.8rem;
            font-style: normal;
            font-weight: 600;
            color: #1a3c5e;
        }
        .img-wrapper {
            margin: 2rem 0;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
            background: #f0f4fa;
        }
        .img-wrapper img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .img-wrapper .caption {
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            color: #5a6a7a;
            background: #f8faff;
        }
        .search-section {
            background: #f0f5fe;
            border-radius: 20px;
            padding: 2rem 2rem;
            margin: 3rem 0 1.5rem;
            text-align: center;
        }
        .search-section h3 {
            margin-top: 0;
            color: #0b2b4a;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 1.2rem auto 0;
            gap: 0.5rem;
            flex-wrap: wrap;
            justify-content: center;
        }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 0.9rem 1.4rem;
            border: 2px solid #d0dce8;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.2s;
            background: #fff;
        }
        .search-form input:focus {
            border-color: #f57c00;
        }
        .search-form button {
            padding: 0.9rem 2rem;
            border: none;
            border-radius: 50px;
            background: #0b2b4a;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #1a5276;
            transform: translateY(-1px);
        }
        .interaction-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 3rem 0;
        }
        .comment-section,
        .rating-section {
            background: #f8faff;
            border-radius: 20px;
            padding: 1.8rem 2rem;
            border: 1px solid #e0e8f0;
        }
        .comment-section h3,
        .rating-section h3 {
            margin-top: 0;
            color: #0b2b4a;
        }
        .comment-section form,
        .rating-section form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 1rem;
        }
        .comment-section textarea,
        .comment-section input,
        .rating-section select,
        .rating-section input {
            padding: 0.8rem 1rem;
            border: 2px solid #d0dce8;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: border-color 0.2s;
            background: #fff;
        }
        .comment-section textarea:focus,
        .comment-section input:focus,
        .rating-section select:focus,
        .rating-section input:focus {
            border-color: #f57c00;
        }
        .comment-section textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comment-section button,
        .rating-section button {
            align-self: flex-start;
            padding: 0.7rem 2rem;
            border: none;
            border-radius: 50px;
            background: #0b2b4a;
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .comment-section button:hover,
        .rating-section button:hover {
            background: #1a5276;
            transform: translateY(-1px);
        }
        .star-display {
            display: flex;
            gap: 0.2rem;
            font-size: 1.6rem;
            color: #e0e0e0;
            cursor: pointer;
        }
        .star-display .star.active {
            color: #f5a623;
        }
        .star-display .star:hover,
        .star-display .star.hover {
            color: #f5a623;
        }
        footer {
            border-top: 2px solid #e9edf2;
            padding: 2rem 0 1.2rem;
            margin-top: 1.5rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        friend-link {
            display: block;
            font-style: normal;
        }
        friend-link a {
            display: inline-block;
            margin: 0.3rem 0.6rem 0.3rem 0;
            padding: 0.3rem 0.8rem;
            background: #f0f4fa;
            border-radius: 30px;
            font-size: 0.9rem;
            color: #1e3a5f;
            transition: background 0.2s;
        }
        friend-link a:hover {
            background: #e0e8f0;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding: 1.2rem 0 0.2rem;
            font-size: 0.9rem;
            color: #6a7a8a;
            border-top: 1px solid #e9edf2;
            margin-top: 1.5rem;
        }
        .copyright strong {
            color: #1e2a3a;
        }
        .last-updated {
            font-size: 0.9rem;
            color: #6a7a8a;
            text-align: right;
            margin-top: 0.5rem;
        }
        @media (max-width: 900px) {
            .interaction-area {
                grid-template-columns: 1fr;
            }
            .footer-content {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 1rem 1.2rem;
                border-radius: 16px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .my-logo i {
                font-size: 1.6rem;
            }
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.2rem;
                padding: 1rem 0 0.5rem;
                border-top: 1px solid #e9edf2;
                margin-top: 0.8rem;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 0.6rem 0.8rem;
                border-radius: 8px;
                width: 100%;
            }
            nav a:hover {
                background: #f0f5fe;
                border-bottom-color: transparent;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
            .lead {
                font-size: 1.05rem;
                padding: 1rem 1.2rem;
            }
            .feature-box {
                padding: 1.2rem 1.4rem;
            }
            .search-form input {
                min-width: 150px;
            }
            .step-list li {
                padding-left: 2.8rem;
            }
            .quote-block {
                padding: 1.5rem 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0.8rem 0.8rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo i {
                font-size: 1.3rem;
            }
            .search-form {
                flex-direction: column;
                align-items: stretch;
            }
            .search-form input {
                min-width: unset;
            }
            .comment-section,
            .rating-section {
                padding: 1.2rem 1rem;
            }
        }
        .text-muted {
            color: #6a7a8a;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            align-items: center;
        }
        hr {
            border: none;
            border-top: 2px solid #e9edf2;
            margin: 2rem 0;
        }
        .emoji-lg {
            font-size: 1.4rem;
        }
        .section-highlight {
            background: linear-gradient(135deg, #f8faff, #eef4fc);
            border-radius: 20px;
            padding: 1.8rem 2rem;
            margin: 2rem 0;
        }