*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 62.5%;
            ;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            font-size: 1.6rem;
            line-height: 1.7;
            color: #1e1e2a;
            background: #faf8f5;
            padding: 0 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        a {
            color: #2a6f97;
            text-decoration: underline;
            transition: color 0.2s;
        }
        a:hover {
            color: #1a4b6d;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        ul,
        ol {
            padding-left: 2.4rem;
            margin: 1.2rem 0;
        }
        li {
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 3.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 2.4rem 0 1.2rem;
            color: #1a1a2e;
            border-bottom: 4px solid #f5a623;
            padding-bottom: 0.8rem;
        }
        h2 {
            font-size: 2.8rem;
            font-weight: 700;
            margin: 3.2rem 0 1.2rem;
            color: #2d2d44;
            border-left: 6px solid #f5a623;
            padding-left: 1.6rem;
        }
        h3 {
            font-size: 2.2rem;
            font-weight: 600;
            margin: 2.4rem 0 1rem;
            color: #3a3a52;
        }
        h4 {
            font-size: 1.9rem;
            font-weight: 600;
            margin: 1.8rem 0 0.8rem;
            color: #4a4a62;
        }
        p {
            margin-bottom: 1.6rem;
            font-size: 1.7rem;
            line-height: 1.8;
        }
        .lead {
            font-size: 2rem;
            font-weight: 400;
            color: #2e2e42;
            background: #f0ede8;
            padding: 1.6rem 2rem;
            border-radius: 8px;
            border-left: 6px solid #f5a623;
        }
        strong {
            font-weight: 700;
            color: #1a1a2e;
        }
        em {
            font-style: italic;
            color: #4a4a62;
        }
        header {
            padding: 1.6rem 0;
            border-bottom: 2px solid #e0dbd4;
            margin-bottom: 2.4rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }
        .my-logo {
            font-size: 2.8rem;
            font-weight: 800;
            color: #1a1a2e;
            text-decoration: none;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #2a6f97, #f5a623);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo:hover {
            opacity: 0.85;
        }
        .my-logo small {
            font-size: 1.4rem;
            font-weight: 400;
            -webkit-text-fill-color: #666;
            background: none;
            display: block;
            letter-spacing: 0.2px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 2.8rem;
            color: #1a1a2e;
            cursor: pointer;
            padding: 0.4rem 0.8rem;
            border-radius: 4px;
        }
        .nav-toggle:hover {
            background: #e0dbd4;
        }
        nav {
            display: flex;
            gap: 0.8rem 2.4rem;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            font-size: 1.5rem;
            font-weight: 500;
            color: #2d2d44;
            text-decoration: none;
            padding: 0.4rem 0.2rem;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        nav a:hover {
            border-bottom-color: #f5a623;
            color: #1a1a2e;
        }
        .breadcrumb {
            width: 100%;
            font-size: 1.3rem;
            color: #666;
            padding: 0.8rem 0 0.4rem;
            margin-top: 0.4rem;
            border-top: 1px solid #e0dbd4;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
        }
        .breadcrumb a {
            color: #2a6f97;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #999;
        }
        .search-block {
            background: #f0ede8;
            padding: 1.6rem 2rem;
            border-radius: 10px;
            margin: 2.4rem 0;
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            align-items: center;
        }
        .search-block label {
            font-weight: 600;
            font-size: 1.6rem;
            color: #1a1a2e;
        }
        .search-block form {
            display: flex;
            flex: 1 1 280px;
            gap: 0.8rem;
        }
        .search-block input[type="text"] {
            flex: 1;
            padding: 0.8rem 1.2rem;
            border: 2px solid #d4cec6;
            border-radius: 6px;
            font-size: 1.5rem;
            min-width: 120px;
        }
        .search-block input[type="text"]:focus {
            border-color: #2a6f97;
            outline: none;
        }
        .search-block button {
            padding: 0.8rem 1.8rem;
            background: #2a6f97;
            color: #fff;
            border: none;
            border-radius: 6px;
            font-size: 1.5rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .search-block button:hover {
            background: #1a4b6d;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 1.5rem;
            background: #fff;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        th {
            background: #2d2d44;
            color: #fff;
            font-weight: 600;
            padding: 1rem 1.2rem;
            text-align: left;
        }
        td {
            padding: 0.8rem 1.2rem;
            border-bottom: 1px solid #ece8e2;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #f8f5f0;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.4rem;
            margin: 2.4rem 0;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 2rem;
            margin: 2.4rem 0;
        }
        .card {
            background: #fff;
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            transition: transform 0.2s, box-shadow 0.2s;
            border: 1px solid #ece8e2;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
        }
        .card h3 {
            margin-top: 0;
        }
        .card i {
            font-size: 2.8rem;
            color: #f5a623;
            margin-bottom: 0.8rem;
        }
        .card .fa-star,
        .card .fa-star-half-alt,
        .card .fa-star-half-stroke {
            color: #f5a623;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.4rem;
            margin: 2.4rem 0;
        }
        .feedback-block {
            background: #fff;
            border-radius: 12px;
            padding: 2rem 2.4rem;
            border: 1px solid #ece8e2;
        }
        .feedback-block h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .feedback-block form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        .feedback-block label {
            font-weight: 600;
            font-size: 1.5rem;
        }
        .feedback-block input,
        .feedback-block textarea,
        .feedback-block select {
            padding: 0.8rem 1.2rem;
            border: 2px solid #d4cec6;
            border-radius: 6px;
            font-size: 1.5rem;
            font-family: inherit;
            width: 100%;
        }
        .feedback-block input:focus,
        .feedback-block textarea:focus,
        .feedback-block select:focus {
            border-color: #2a6f97;
            outline: none;
        }
        .feedback-block textarea {
            min-height: 8rem;
            resize: vertical;
        }
        .feedback-block button {
            padding: 0.8rem 2rem;
            background: #f5a623;
            color: #1a1a2e;
            border: none;
            border-radius: 6px;
            font-size: 1.6rem;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s;
            align-self: flex-start;
        }
        .feedback-block button:hover {
            background: #e0941c;
        }
        .star-select {
            display: flex;
            gap: 0.6rem;
            font-size: 2.4rem;
            color: #d4cec6;
            cursor: pointer;
        }
        .star-select i {
            transition: color 0.15s;
        }
        .star-select i.active {
            color: #f5a623;
        }
        .feature-img {
            margin: 2.4rem 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        }
        .feature-img figcaption {
            background: #f0ede8;
            padding: 0.8rem 1.6rem;
            font-size: 1.3rem;
            color: #555;
            font-style: italic;
        }
        footer {
            margin-top: 4rem;
            padding: 2.4rem 0;
            border-top: 2px solid #e0dbd4;
        }
        friend-link {
            display: block;
            padding: 1.6rem 0;
        }
        friend-link a {
            display: inline-block;
            margin: 0.4rem 1.2rem 0.4rem 0;
            font-size: 1.5rem;
            color: #2a6f97;
        }
        .copyright {
            font-size: 1.3rem;
            color: #888;
            text-align: center;
            padding-top: 1.6rem;
            border-top: 1px solid #e0dbd4;
        }
        .last-update {
            font-size: 1.3rem;
            color: #999;
            text-align: right;
            margin-top: 1.2rem;
        }
        @media (max-width: 900px) {
            .grid-2 {
                grid-template-columns: 1fr;
            }
            .grid-3 {
                grid-template-columns: 1fr 1fr;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 680px) {
            body {
                padding: 0 1.2rem;
            }
            h1 {
                font-size: 2.6rem;
            }
            h2 {
                font-size: 2.2rem;
            }
            h3 {
                font-size: 1.9rem;
            }
            p {
                font-size: 1.6rem;
            }
            header {
                flex-wrap: wrap;
            }
            .my-logo {
                font-size: 2.2rem;
            }
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.6rem;
                padding: 1.2rem 0 0.4rem;
            }
            nav.open {
                display: flex;
            }
            nav a {
                font-size: 1.6rem;
                padding: 0.6rem 0;
                border-bottom: 1px solid #ece8e2;
            }
            .grid-2,
            .grid-3 {
                grid-template-columns: 1fr;
            }
            .search-block form {
                flex-wrap: wrap;
            }
            .search-block input[type="text"] {
                min-width: 100%;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .star-select {
                font-size: 2rem;
            }
        }
        @media (max-width: 480px) {
            html {
                font-size: 56%;
            }
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 2rem;
            }
            .card {
                padding: 1.2rem;
            }
        }
        .emoji-lg {
            font-size: 2.4rem;
        }
        .highlight-box {
            background: #f0f7fb;
            border-left: 6px solid #2a6f97;
            padding: 1.6rem 2rem;
            border-radius: 0 8px 8px 0;
            margin: 2rem 0;
        }
        .insight {
            background: #fef9ed;
            border-left: 6px solid #f5a623;
            padding: 1.2rem 1.6rem;
            border-radius: 0 8px 8px 0;
            margin: 1.6rem 0;
        }
        .tag {
            display: inline-block;
            background: #e0dbd4;
            padding: 0.2rem 1rem;
            border-radius: 20px;
            font-size: 1.2rem;
            font-weight: 600;
            color: #2d2d44;
            margin-right: 0.4rem;
        }
        .btn-top {
            position: fixed;
            bottom: 2.4rem;
            right: 2.4rem;
            background: #2a6f97;
            color: #fff;
            border: none;
            border-radius: 50%;
            width: 4.8rem;
            height: 4.8rem;
            font-size: 2rem;
            cursor: pointer;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            transition: background 0.2s;
            z-index: 100;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .btn-top:hover {
            background: #1a4b6d;
        }
        @media (max-width: 600px) {
            .btn-top {
                bottom: 1.2rem;
                right: 1.2rem;
                width: 4rem;
                height: 4rem;
                font-size: 1.6rem;
            }
        }