*,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #f5f7fa;
            color: #1a1a2e;
            line-height: 1.7;
            padding-bottom: 2rem;
        }
        a {
            color: #d4a017;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #b8860b;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 700;
            line-height: 1.25;
            color: #0a0a1a;
        }
        h1 {
            font-size: 2.4rem;
            margin: 0 0 1rem 0;
        }
        h2 {
            font-size: 1.8rem;
            margin: 2.5rem 0 1.2rem 0;
            border-left: 5px solid #d4a017;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.35rem;
            margin: 1.8rem 0 0.8rem 0;
            color: #1e3c72;
        }
        h4 {
            font-size: 1.1rem;
            margin: 1.2rem 0 0.5rem 0;
            color: #2a4a7f;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0a0a1a 0%, #1a1a3e 100%);
            color: #fff;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f5d300, #ff8c00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 30px rgba(245, 211, 0, 0.2);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #f5d300;
            font-size: 1.5rem;
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: initial;
            color: #aaa;
            font-weight: 400;
            letter-spacing: 0.5px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #ddd;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: all 0.25s;
        }
        .main-nav a:hover {
            color: #f5d300;
            border-bottom-color: #f5d300;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            transition: transform 0.2s;
        }
        .hamburger:active {
            transform: scale(0.9);
        }
        .breadcrumb {
            background: #eef1f5;
            padding: 0.6rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #dce1e8;
        }
        .breadcrumb ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #888;
        }
        .breadcrumb a {
            color: #2a4a7f;
        }
        .breadcrumb .current {
            color: #666;
            font-weight: 500;
        }
        .hero {
            background: linear-gradient(145deg, #0f0f2a, #1a2a4a);
            color: #fff;
            padding: 3rem 0 2.5rem;
            margin-bottom: 2rem;
            border-radius: 0 0 40px 40px;
        }
        .hero h1 {
            color: #fff;
            font-size: 2.8rem;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
        }
        .hero .subtitle {
            font-size: 1.15rem;
            color: #ccd;
            max-width: 700px;
            margin-top: 0.5rem;
        }
        .hero .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 1.2rem;
            font-size: 0.95rem;
            color: #aab;
        }
        .hero .meta-info i {
            color: #f5d300;
            margin-right: 0.4rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        .main-content {
            background: #fff;
            border-radius: 20px;
            padding: 2rem 2.2rem;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
        }
        .sidebar {
            position: sticky;
            top: 90px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-top: 0;
            margin-bottom: 0.8rem;
            border-left: 3px solid #d4a017;
            padding-left: 0.7rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f0f0f5;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
        }
        .sidebar-card a {
            color: #1e3c72;
            font-weight: 500;
        }
        .sidebar-card a:hover {
            color: #d4a017;
        }
        .featured-image {
            margin: 1.8rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
        }
        .featured-image figcaption {
            background: #f0f2f5;
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
            color: #555;
            text-align: center;
        }
        .search-section {
            background: #eef1f5;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
        }
        .search-section label {
            font-weight: 600;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form {
            display: flex;
            flex: 1 1 300px;
            gap: 0.5rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.7rem 1rem;
            border: 2px solid #d0d5dd;
            border-radius: 30px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input:focus {
            border-color: #d4a017;
        }
        .search-form button {
            background: #d4a017;
            color: #fff;
            border: none;
            padding: 0.7rem 1.6rem;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            font-size: 1rem;
        }
        .search-form button:hover {
            background: #b8860b;
        }
        .search-form button:active {
            transform: scale(0.96);
        }
        .interaction-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .rating-box,
        .comment-box {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #e8ecf1;
        }
        .rating-box h3,
        .comment-box h3 {
            margin-top: 0;
            margin-bottom: 1rem;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 2rem;
            cursor: pointer;
            direction: rtl;
            justify-content: flex-start;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #ddd;
            transition: color 0.15s;
            cursor: pointer;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5c518;
        }
        .rating-value {
            margin-top: 0.5rem;
            font-weight: 600;
            color: #1e3c72;
        }
        .comment-box textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #d0d5dd;
            border-radius: 12px;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 100px;
            font-family: inherit;
            transition: border 0.2s;
        }
        .comment-box textarea:focus {
            border-color: #d4a017;
            outline: none;
        }
        .comment-box button {
            background: #1e3c72;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            margin-top: 0.8rem;
            font-size: 1rem;
        }
        .comment-box button:hover {
            background: #2a4a7f;
        }
        .comment-box button:active {
            transform: scale(0.97);
        }
        .site-footer {
            background: #0a0a1a;
            color: #ccd;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
            border-radius: 40px 40px 0 0;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-inner h4 {
            color: #f5d300;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-inner a {
            color: #aab;
        }
        .footer-inner a:hover {
            color: #f5d300;
        }
        .footer-bottom {
            border-top: 1px solid #222;
            padding-top: 1.2rem;
            margin-top: 2rem;
            text-align: center;
            font-size: 0.9rem;
            color: #778;
        }
        .footer-bottom .copyright {
            margin-top: 0.3rem;
        }
        friend-link {
            display: block;
            margin: 0.8rem 0;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 1rem 0.2rem 0;
            padding: 0.2rem 0;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.5rem;
                padding: 1rem 0 0.5rem;
                border-top: 1px solid #222;
                margin-top: 0.5rem;
            }
            .main-nav.open {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .hero .subtitle {
                font-size: 1rem;
            }
            .main-content {
                padding: 1.2rem 1.2rem;
            }
            .interaction-area {
                grid-template-columns: 1fr;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
            }
            .search-section {
                flex-direction: column;
                align-items: stretch;
                padding: 1.2rem;
            }
            .search-form {
                flex-wrap: wrap;
            }
            .search-form input {
                min-width: 0;
            }
            .breadcrumb ul {
                font-size: 0.8rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 1rem;
            }
            .hero {
                padding: 2rem 0 1.5rem;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .main-content {
                padding: 0.8rem 0.8rem;
                border-radius: 12px;
            }
            .star-rating {
                font-size: 1.6rem;
            }
            .rating-box,
            .comment-box {
                padding: 1rem 1.2rem;
            }
        }
        .highlight {
            background: #fef9e7;
            padding: 0.1rem 0.3rem;
            border-radius: 4px;
        }
        .badge {
            display: inline-block;
            background: #d4a017;
            color: #fff;
            font-size: 0.75rem;
            padding: 0.2rem 0.7rem;
            border-radius: 20px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .emoji-big {
            font-size: 1.3rem;
        }
        .data-box {
            background: #f0f4fb;
            border-left: 4px solid #d4a017;
            padding: 1rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .data-box ul {
            margin: 0.5rem 0 0;
        }
        .tip-card {
            background: #fafafa;
            border-radius: 12px;
            padding: 1.2rem 1.5rem;
            margin: 1.2rem 0;
            border: 1px solid #e8ecf1;
        }
        .tip-card strong {
            color: #d4a017;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e0e4ea;
        }
        th {
            background: #1e3c72;
            color: #fff;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background: #f8f9fc;
        }
        .btn-outline {
            display: inline-block;
            border: 2px solid #d4a017;
            color: #d4a017;
            padding: 0.4rem 1.2rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.2s;
        }
        .btn-outline:hover {
            background: #d4a017;
            color: #fff;
        }
        .divider {
            height: 1px;
            background: linear-gradient(to right, transparent, #d4a017, transparent);
            margin: 2rem 0;
        }