* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #f4f7fb;
            color: #1e293b;
            line-height: 1.7;
            font-size: 16px;
            padding: 0 16px;
            max-width: 1200px;
            margin: 0 auto;
        }
        a {
            color: #0a66c2;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #e63946;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            margin-top: 1.6em;
            margin-bottom: 0.5em;
            color: #0b1e33;
        }
        h1 {
            font-size: 2.2rem;
            border-left: 6px solid #e63946;
            padding-left: 18px;
            margin-top: 0.4em;
        }
        h2 {
            font-size: 1.7rem;
            border-bottom: 2px solid #e0e7ef;
            padding-bottom: 6px;
        }
        h3 {
            font-size: 1.3rem;
            color: #1e3a5f;
        }
        h4 {
            font-size: 1.1rem;
            color: #2c4a6e;
        }
        p {
            margin-bottom: 1.2em;
            font-size: 1.02rem;
        }
        .container {
            background: #ffffff;
            border-radius: 24px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.05);
            padding: 20px 24px 30px;
            margin: 20px 0 30px;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 10px;
            border-bottom: 2px solid #e2e8f0;
            background: #fff;
            border-radius: 20px 20px 0 0;
            padding-left: 20px;
            padding-right: 20px;
            margin-top: 10px;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(145deg, #0b1e33, #1e4a76);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-block;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
        }
        .my-logo a:hover {
            text-decoration: none;
            opacity: 0.85;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            cursor: pointer;
            color: #0b1e33;
            padding: 4px 10px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #eef2f7;
        }
        .nav-menu {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-menu a {
            font-weight: 600;
            font-size: 0.95rem;
            padding: 6px 8px;
            border-radius: 8px;
            transition: background 0.2s, color 0.2s;
            color: #1e293b;
        }
        .nav-menu a:hover {
            background: #eaf0f8;
            color: #e63946;
            text-decoration: none;
        }
        .nav-menu a i {
            margin-right: 6px;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 12px 0 8px;
            font-size: 0.9rem;
            color: #5a6f7e;
            background: transparent;
            border-radius: 12px;
            margin-top: 4px;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 10px;
            color: #94a3b8;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #0a66c2;
        }
        .breadcrumb a:hover {
            color: #e63946;
        }
        .breadcrumb .active {
            color: #1e293b;
            font-weight: 600;
        }
        .search-section {
            background: #f0f4fe;
            border-radius: 18px;
            padding: 18px 22px;
            margin: 28px 0 22px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
            border: 1px solid #dce4ed;
        }
        .search-section label {
            font-weight: 700;
            font-size: 1.1rem;
            color: #0b1e33;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .search-form {
            display: flex;
            flex: 2;
            min-width: 200px;
            gap: 8px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 16px;
            border: 2px solid #ccd9e6;
            border-radius: 30px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.3s;
            background: #fff;
        }
        .search-form input:focus {
            border-color: #0a66c2;
        }
        .search-form button {
            background: #0b1e33;
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 0 22px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .search-form button:hover {
            background: #e63946;
        }
        .interact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin: 32px 0 28px;
        }
        .rating-box,
        .comment-box {
            background: #f8fafd;
            border-radius: 18px;
            padding: 20px 22px;
            border: 1px solid #e2e8f0;
        }
        .rating-box h3,
        .comment-box h3 {
            margin-top: 0;
            font-size: 1.25rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .star-group {
            display: flex;
            gap: 8px;
            font-size: 1.9rem;
            color: #d1d9e6;
            margin: 10px 0 14px;
            cursor: pointer;
            flex-wrap: wrap;
        }
        .star-group i {
            transition: color 0.2s, transform 0.15s;
        }
        .star-group i:hover,
        .star-group i.active {
            color: #f5b342;
            transform: scale(1.15);
        }
        .rating-form button,
        .comment-form button {
            background: #0b1e33;
            color: #fff;
            border: none;
            padding: 10px 26px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
            margin-top: 6px;
        }
        .rating-form button:hover,
        .comment-form button:hover {
            background: #e63946;
        }
        .comment-form textarea {
            width: 100%;
            border: 2px solid #ccd9e6;
            border-radius: 14px;
            padding: 12px 14px;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 80px;
            outline: none;
            transition: border 0.3s;
            background: #fff;
        }
        .comment-form textarea:focus {
            border-color: #0a66c2;
        }
        .comment-form input[type="text"] {
            width: 100%;
            border: 2px solid #ccd9e6;
            border-radius: 30px;
            padding: 10px 16px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.3s;
            background: #fff;
            margin: 8px 0;
        }
        .comment-form input:focus {
            border-color: #0a66c2;
        }
        .feature-img-wrap {
            margin: 30px 0 24px;
            text-align: center;
        }
        .feature-img-wrap img {
            width: 100%;
            max-width: 780px;
            margin: 0 auto;
            border-radius: 18px;
        }
        .feature-img-wrap figcaption {
            font-size: 0.9rem;
            color: #5a6f7e;
            margin-top: 8px;
            font-style: italic;
        }
        .last-updated {
            background: #eef3f9;
            border-radius: 30px;
            padding: 8px 20px;
            display: inline-block;
            font-size: 0.9rem;
            color: #2c4a6e;
            font-weight: 500;
            margin: 10px 0 6px;
        }
        .last-updated i {
            margin-right: 6px;
            color: #e63946;
        }
        friend-link {
            display: block;
            background: #f2f6fc;
            border-radius: 18px;
            padding: 18px 22px;
            margin: 30px 0 16px;
            border: 1px solid #dce4ed;
            font-size: 0.98rem;
        }
        friend-link strong {
            display: block;
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: #0b1e33;
        }
        friend-link a {
            display: inline-block;
            margin-right: 20px;
            padding: 4px 0;
        }
        .site-footer {
            border-top: 2px solid #e2e8f0;
            padding: 20px 0 14px;
            margin-top: 20px;
            text-align: center;
            font-size: 0.92rem;
            color: #4a5b6b;
        }
        .site-footer p {
            margin-bottom: 4px;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 10px;
            }
            .container {
                padding: 14px 14px 24px;
            }
            .site-header {
                padding: 12px 14px;
                flex-wrap: wrap;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 6px;
                padding: 14px 0 6px;
                border-top: 1px solid #e2e8f0;
                margin-top: 10px;
            }
            .nav-menu.show {
                display: flex;
            }
            .nav-menu a {
                padding: 10px 12px;
                font-size: 1rem;
                border-radius: 10px;
                width: 100%;
                background: #f8fafd;
            }
            h1 {
                font-size: 1.6rem;
                padding-left: 12px;
            }
            h2 {
                font-size: 1.35rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .interact-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .search-section {
                flex-direction: column;
                align-items: stretch;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                padding: 12px;
                justify-content: center;
            }
            .breadcrumb {
                font-size: 0.8rem;
                flex-wrap: wrap;
            }
            .breadcrumb li+li::before {
                padding: 0 6px;
            }
            .star-group {
                font-size: 1.6rem;
            }
            friend-link a {
                display: block;
                margin-right: 0;
                padding: 4px 0;
            }
        }
        @media (min-width: 769px) {
            .hamburger {
                display: none !important;
            }
            .nav-menu {
                display: flex !important;
            }
        }
        .highlight {
            background: #fef9e7;
            padding: 2px 8px;
            border-radius: 6px;
            font-weight: 600;
        }
        .badge {
            display: inline-block;
            background: #e63946;
            color: #fff;
            padding: 2px 14px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.3px;
        }
        .pro-tip {
            background: #e8f0fe;
            border-left: 5px solid #0a66c2;
            padding: 14px 18px;
            border-radius: 12px;
            margin: 20px 0;
        }
        .pro-tip i {
            color: #0a66c2;
            margin-right: 6px;
        }
        .emoji-big {
            font-size: 1.4rem;
            margin-right: 4px;
        }
        hr {
            border: none;
            border-top: 2px dashed #dce4ed;
            margin: 28px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 18px 0;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 10px 14px;
            border-bottom: 1px solid #e2e8f0;
            text-align: left;
        }
        th {
            background: #f0f4fe;
            font-weight: 700;
            color: #0b1e33;
        }
        tr:hover td {
            background: #fafcff;
        }