*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f8f6f2;
            color: #1e2a2f;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #1a6b8a;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #0d3e52;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 600;
            line-height: 1.25;
            color: #13262e;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.5rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 3px solid #d9c8b2;
            padding-bottom: 0.35rem;
        }
        h3 {
            font-size: 1.35rem;
            color: #1f3e49;
        }
        h4 {
            font-size: 1.1rem;
            color: #2b525e;
        }
        p {
            margin-bottom: 1.2rem;
        }
        ul,
        ol {
            margin: 0.8rem 0 1.2rem 1.8rem;
        }
        li {
            margin-bottom: 0.45rem;
        }
        strong {
            font-weight: 700;
            color: #0b2a33;
        }
        em {
            font-style: italic;
        }
        .container {
            max-width: 1240px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.05);
            border-radius: 24px 24px 0 0;
            padding: 1.8rem 2rem 2.5rem;
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0 0.8rem;
            border-bottom: 2px solid #ede6dc;
            position: relative;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            color: #1a3e4b;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, #1a3e4b, #3d7a8f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #d68c45;
            font-size: 1.8rem;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        nav a {
            padding: 0.5rem 1rem;
            border-radius: 40px;
            font-weight: 500;
            font-size: 0.95rem;
            color: #1e3b46;
            transition: background 0.2s, color 0.2s;
        }
        nav a:hover {
            background: #e7ddd2;
            color: #0b2a33;
            text-decoration: none;
        }
        nav a.active {
            background: #1a3e4b;
            color: #fff;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #1a3e4b;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            transition: transform 0.2s;
        }
        .hamburger:hover {
            transform: scale(1.08);
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.4rem 0.6rem;
            font-size: 0.9rem;
            padding: 0.6rem 0 0.2rem;
            color: #5f6f78;
            width: 100%;
            margin-top: 0.3rem;
        }
        .breadcrumb a {
            color: #3b6a7a;
        }
        .breadcrumb i {
            font-size: 0.7rem;
            color: #9aaeb8;
        }
        .breadcrumb .current {
            color: #1a3e4b;
            font-weight: 600;
        }
        .hero-img {
            border-radius: 20px;
            margin: 1.8rem 0 1.2rem;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.07);
            width: 100%;
            object-fit: cover;
            max-height: 420px;
        }
        .search-section {
            background: #f2ede7;
            border-radius: 20px;
            padding: 1.8rem 2rem;
            margin: 2.2rem 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
        }
        .search-section label {
            font-weight: 600;
            color: #1f3e49;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form {
            display: flex;
            flex: 1 1 280px;
            gap: 0.5rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.7rem 1.2rem;
            border: 2px solid #d9c8b2;
            border-radius: 40px;
            font-size: 1rem;
            background: #fff;
            transition: border-color 0.2s;
        }
        .search-form input:focus {
            outline: none;
            border-color: #1a6b8a;
        }
        .search-form button {
            background: #1a3e4b;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 0.7rem 1.6rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover {
            background: #0d2e39;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.5rem 0;
        }
        .feedback-card {
            background: #f8f4ef;
            border-radius: 20px;
            padding: 1.8rem 2rem;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
        }
        .feedback-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.3rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .feedback-card textarea,
        .feedback-card input[type="number"],
        .feedback-card input[type="text"] {
            padding: 0.7rem 1rem;
            border: 2px solid #d9c8b2;
            border-radius: 14px;
            font-size: 0.95rem;
            font-family: inherit;
            background: #fff;
            transition: border-color 0.2s;
        }
        .feedback-card textarea:focus,
        .feedback-card input:focus {
            outline: none;
            border-color: #1a6b8a;
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card button {
            align-self: flex-start;
            background: #d68c45;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 0.65rem 2rem;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .feedback-card button:hover {
            background: #b8732e;
            transform: scale(1.02);
        }
        .star-input {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            color: #d9c8b2;
            cursor: pointer;
        }
        .star-input .fas.fa-star {
            color: #d68c45;
        }
        .star-input i {
            transition: color 0.15s;
        }
        .star-input i:hover {
            color: #d68c45;
        }
        friend-link {
            display: block;
            background: #ede6dc;
            border-radius: 18px;
            padding: 1.8rem 2rem;
            margin: 2.5rem 0 1.2rem;
            font-style: normal;
        }
        friend-link span {
            font-weight: 700;
            font-size: 1.1rem;
            color: #1a3e4b;
            display: block;
            margin-bottom: 0.7rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.25rem 1.2rem 0.25rem 0;
            color: #1a6b8a;
            font-weight: 500;
        }
        friend-link a:hover {
            color: #0d3e52;
        }
        footer {
            border-top: 2px solid #ede6dc;
            padding: 1.8rem 0 1rem;
            margin-top: 2rem;
            text-align: center;
            font-size: 0.92rem;
            color: #4a5e68;
        }
        footer .copyright {
            font-weight: 500;
            letter-spacing: 0.01em;
        }
        footer i {
            color: #d68c45;
        }
        @media (max-width: 820px) {
            .container {
                padding: 1rem 1.2rem 1.8rem;
                border-radius: 16px 16px 0 0;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .search-section {
                flex-direction: column;
                align-items: stretch;
                padding: 1.4rem 1.2rem;
            }
            .search-form {
                flex: 1 1 auto;
            }
            header {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: #f8f4ef;
                border-radius: 18px;
                padding: 0.8rem 0.4rem;
                margin-top: 0.6rem;
                gap: 0.1rem;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 0.6rem 1.2rem;
                border-radius: 30px;
            }
            .my-logo {
                font-size: 1.6rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0.8rem 0.8rem 1.2rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .feedback-card {
                padding: 1.2rem 1rem;
            }
            .search-form input {
                font-size: 0.9rem;
            }
            .search-form button {
                padding: 0.6rem 1rem;
                font-size: 0.9rem;
            }
        }