        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f5f7fc;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #004e7c;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #b73239;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 700;
            line-height: 1.3;
            margin-top: 0;
        }
        h1 {
            font-size: 2.2rem;
            margin-bottom: 0.75rem;
            color: #0b1e33;
        }
        h2 {
            font-size: 1.7rem;
            margin-bottom: 0.6rem;
            border-left: 6px solid #b73239;
            padding-left: 1rem;
            color: #0b1e33;
        }
        h3 {
            font-size: 1.3rem;
            margin-bottom: 0.4rem;
            color: #1f3a5f;
        }
        h4 {
            font-size: 1.05rem;
            margin-bottom: 0.3rem;
            color: #2c4a6e;
        }
        p {
            margin-bottom: 1.2rem;
        }
        ul,
        ol {
            margin-bottom: 1.2rem;
            padding-left: 1.8rem;
        }
        li {
            margin-bottom: 0.3rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            border-radius: 20px;
            padding: 1.5rem 2rem 2rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0 0.8rem;
            border-bottom: 2px solid #eef0f5;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #0b1e33;
            letter-spacing: -0.5px;
        }
        .my-logo span {
            color: #b73239;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            display: block;
            color: #5a6a7a;
            letter-spacing: 0.3px;
        }
        .my-logo:hover {
            color: #b73239;
        }
        nav.main-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1.8rem;
        }
        nav.main-nav a {
            font-weight: 600;
            color: #1f3a5f;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        nav.main-nav a:hover {
            border-bottom-color: #b73239;
            color: #b73239;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #0b1e33;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            transition: 0.2s;
        }
        .hamburger:hover {
            color: #b73239;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.4rem 0.8rem;
            padding: 0.8rem 0 0.2rem;
            font-size: 0.9rem;
            color: #5a6a7a;
        }
        .breadcrumb a {
            color: #004e7c;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .sep {
            color: #b0b8c5;
        }
        .search-wrap {
            background: #f0f4fe;
            border-radius: 60px;
            padding: 0.3rem 0.3rem 0.3rem 1.5rem;
            display: flex;
            align-items: center;
            max-width: 460px;
            margin: 1.5rem 0 1.8rem;
            border: 1px solid #dce3ef;
            transition: 0.3s;
        }
        .search-wrap:focus-within {
            border-color: #b73239;
            box-shadow: 0 0 0 4px rgba(183, 50, 57, 0.12);
        }
        .search-wrap i {
            color: #7a8a9e;
            font-size: 1.1rem;
        }
        .search-wrap input {
            border: none;
            background: transparent;
            padding: 0.7rem 0.8rem;
            font-size: 1rem;
            flex: 1;
            outline: none;
            min-width: 0;
        }
        .search-wrap button {
            background: #b73239;
            color: #fff;
            border: none;
            border-radius: 60px;
            padding: 0.6rem 1.6rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            font-size: 0.95rem;
            white-space: nowrap;
        }
        .search-wrap button:hover {
            background: #9e2b31;
            transform: scale(0.97);
        }
        .hero-img {
            margin: 1.2rem 0 2rem;
            border-radius: 18px;
            overflow: hidden;
            background: #dce3ef;
            position: relative;
        }
        .hero-img img {
            width: 100%;
            max-height: 460px;
            object-fit: cover;
        }
        .hero-img .img-credit {
            position: absolute;
            bottom: 12px;
            right: 16px;
            background: rgba(0, 0, 0, 0.6);
            color: #f0f4fe;
            padding: 0.2rem 0.8rem;
            border-radius: 40px;
            font-size: 0.75rem;
            backdrop-filter: blur(4px);
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        .content-article {
            min-width: 0;
        }
        .content-article .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem 2rem;
            font-size: 0.9rem;
            color: #5a6a7a;
            margin-bottom: 1.5rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dashed #dce3ef;
        }
        .content-article .meta-info i {
            margin-right: 0.3rem;
            color: #b73239;
        }
        .highlight-box {
            background: #f7f9ff;
            border-left: 5px solid #b73239;
            padding: 1.2rem 1.6rem;
            border-radius: 12px;
            margin: 1.8rem 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 1rem;
            margin: 1.8rem 0;
        }
        .stat-card {
            background: #f0f4fe;
            padding: 1.2rem 0.8rem;
            border-radius: 16px;
            text-align: center;
            transition: 0.2s;
            border: 1px solid #e6ebf5;
        }
        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
        }
        .stat-card i {
            font-size: 2rem;
            color: #b73239;
            margin-bottom: 0.3rem;
        }
        .stat-card .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #0b1e33;
        }
        .stat-card .label {
            font-size: 0.85rem;
            color: #5a6a7a;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
            list-style: none;
            padding-left: 0;
        }
        .link-list-inline li a {
            background: #f0f4fe;
            padding: 0.2rem 1rem;
            border-radius: 40px;
            font-weight: 500;
            font-size: 0.9rem;
            border: 1px solid #dce3ef;
            transition: 0.2s;
            display: inline-block;
        }
        .link-list-inline li a:hover {
            background: #b73239;
            color: #fff;
            border-color: #b73239;
        }
        .interact-section {
            margin-top: 2.5rem;
            padding-top: 1.8rem;
            border-top: 2px solid #eef0f5;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        @media (max-width:700px) {
            .interact-section {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }
        }
        .interact-card {
            background: #fafcff;
            border-radius: 18px;
            padding: 1.6rem;
            border: 1px solid #e6ebf5;
        }
        .interact-card h3 {
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .interact-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .interact-card form input,
        .interact-card form textarea {
            border: 1px solid #dce3ef;
            border-radius: 12px;
            padding: 0.7rem 1rem;
            font-size: 0.95rem;
            background: #fff;
            transition: 0.2s;
            font-family: inherit;
        }
        .interact-card form input:focus,
        .interact-card form textarea:focus {
            border-color: #b73239;
            box-shadow: 0 0 0 3px rgba(183, 50, 57, 0.1);
            outline: none;
        }
        .interact-card form textarea {
            min-height: 80px;
            resize: vertical;
        }
        .interact-card form button {
            background: #0b1e33;
            color: #fff;
            border: none;
            border-radius: 60px;
            padding: 0.7rem 1.8rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            align-self: flex-start;
            font-size: 0.95rem;
        }
        .interact-card form button:hover {
            background: #b73239;
            transform: scale(0.97);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 1.7rem;
            margin-bottom: 0.6rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #dce3ef;
            transition: 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b342;
        }
        footer {
            margin-top: 2.5rem;
            padding-top: 1.8rem;
            border-top: 2px solid #eef0f5;
        }
        footer .footer-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }
        @media (max-width:600px) {
            footer .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        friend-link {
            display: block;
            background: #f7f9ff;
            border-radius: 16px;
            padding: 1.2rem 1.6rem;
            border: 1px solid #e6ebf5;
        }
        friend-link h4 {
            margin-bottom: 0.6rem;
            font-size: 1rem;
            color: #0b1e33;
        }
        friend-link ul {
            list-style: none;
            padding-left: 0;
            columns: 2;
            column-gap: 1.5rem;
        }
        friend-link ul li {
            margin-bottom: 0.3rem;
            break-inside: avoid;
        }
        friend-link ul li a {
            font-size: 0.9rem;
        }
        @media (max-width:500px) {
            friend-link ul {
                columns: 1;
            }
        }
        .copyright {
            text-align: center;
            padding: 1.5rem 0 0.5rem;
            font-size: 0.85rem;
            color: #7a8a9e;
        }
        .copyright i {
            color: #b73239;
        }
        @media (max-width:800px) {
            .container {
                padding: 1rem 1.2rem 1.5rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .hamburger {
                display: inline-block;
            }
            nav.main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.6rem;
                padding: 1rem 0 0.4rem;
                border-top: 1px solid #eef0f5;
                margin-top: 0.6rem;
            }
            #nav-toggle:checked~nav.main-nav {
                display: flex;
            }
            .search-wrap {
                max-width: 100%;
                flex-wrap: wrap;
                border-radius: 30px;
                padding: 0.3rem;
            }
            .search-wrap input {
                width: 100%;
                padding: 0.5rem 0.8rem;
            }
            .search-wrap button {
                width: 100%;
                border-radius: 30px;
                padding: 0.5rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
        }
        @media (max-width:480px) {
            .container {
                padding: 0.8rem 0.8rem 1.2rem;
                border-radius: 12px;
            }
            h1 {
                font-size: 1.4rem;
            }
            h2 {
                font-size: 1.15rem;
                padding-left: 0.6rem;
                border-left-width: 4px;
            }
            .my-logo {
                font-size: 1.25rem;
            }
            .stat-card .num {
                font-size: 1.4rem;
            }
            .interact-card {
                padding: 1rem;
            }
        }
        .tag {
            display: inline-block;
            background: #eef0f5;
            padding: 0.1rem 0.8rem;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
            color: #1f3a5f;
            margin-right: 0.3rem;
        }
        .text-small {
            font-size: 0.9rem;
            color: #5a6a7a;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-gap {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
