* {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            background: #f6f7fb;
            color: #222;
            line-height: 1.8;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        img {
            max-width: 100%;
            display: block;
        }

        .logo {
            padding: 20px 14px;
            font-size: 22px;
            font-weight: 900;
            text-align: center;
            background: #fff;
            border-bottom: 1px solid #e6e8ef;
        }

        .logo a {
            color: #111827;
        }

        .page-title {
            margin: 34px 0 6px;
            text-align: center;
            font-size: 34px;
            letter-spacing: -0.04em;
        }

        .page-lead {
            margin: 0 0 22px;
            text-align: center;
            color: #6b7280;
            font-size: 14px;
        }

        .control-area {
            max-width: 1000px;
            margin: 0 auto 22px;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 1fr 260px;
            gap: 14px;
        }

        .blog-search input,
        .search-area select {
            width: 100%;
            padding: 14px 16px;
            border-radius: 16px;
            border: 1px solid #d7dce5;
            background: #fff;
            font-size: 15px;
            outline: none;
        }

        .blog-search input:focus,
        .search-area select:focus {
            border-color: #2563eb;
        }

        .blog-search-info {
            max-width: 1000px;
            margin: 0 auto 10px;
            padding: 0 20px;
            color: #6b7280;
            font-size: 14px;
        }

        #no-result {
            display: none;
            max-width: 1000px;
            margin: 20px auto;
            padding: 22px;
            text-align: center;
            color: #6b7280;
            background: #fff;
            border: 1px solid #e6e8ef;
            border-radius: 18px;
        }

        .blog-list {
            max-width: 1000px;
            margin: 26px auto 34px;
            padding: 0 20px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .blog-card {
            overflow: hidden;
            border-radius: 22px;
            background: #fff;
            border: 1px solid #e6e8ef;
            box-shadow: 0 12px 32px rgba(15, 23, 42, 0.06);
            transition: 0.2s;
        }

        .blog-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 18px 44px rgba(15, 23, 42, 0.12);
        }

        .blog-thumb-img {
            width: 100%;
            height: 170px;
            object-fit: cover;
            background: #eef2f7;
        }

        .blog-info {
            padding: 15px;
        }

        .blog-info h3 {
            margin: 0 0 10px;
            font-size: 16px;
            line-height: 1.5;
        }

        .blog-date {
            margin: 0;
            color: #6b7280;
            font-size: 13px;
        }

        .privacy-link {
            display: block;
            width: fit-content;
            margin: 20px auto;
            color: #2563eb;
            font-weight: 800;
        }

        footer {
            margin-top: 24px;
            padding: 26px 16px;
            text-align: center;
            background: #111827;
            color: #fff;
        }

        .copyright {
            margin: 0;
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
        }

        @media (max-width: 900px) {
            .blog-list {
                grid-template-columns: repeat(2, 1fr);
            }

            .control-area {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 600px) {
            .logo {
                font-size: 17px;
                line-height: 1.5;
            }

            .page-title {
                margin-top: 26px;
                font-size: 28px;
            }

            .control-area {
                padding: 0 14px;
            }

            .blog-search-info {
                padding: 0 14px;
            }

            .blog-list {
                grid-template-columns: 1fr;
                padding: 0 14px;
                gap: 14px;
            }

            .blog-thumb-img {
                height: 145px;
            }

            .blog-info h3 {
                font-size: 15px;
            }
        }