*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f4f7fb;
            color: #1e2a3a;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #c12a2a;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #8f1f1f;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(145deg, #0b1a2e, #142a44);
            color: #fff;
            padding: 0.8rem 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: 0.6rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f7d94e, #f0b82e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 30px rgba(247, 217, 78, 0.15);
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #f7d94e;
            font-size: 1.6rem;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
            -webkit-text-fill-color: transparent;
        }
        .my-logo a:hover {
            text-decoration: none;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.2rem;
        }
        .main-nav a {
            color: #e8edf3;
            padding: 0.5rem 0.9rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #f7d94e;
            text-decoration: none;
        }
        .main-nav a.active {
            background: #c12a2a;
            color: #fff;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: #e9edf2;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            color: #4a5a6a;
            border-bottom: 1px solid #d6dee6;
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.3rem;
        }
        .breadcrumb a {
            color: #c12a2a;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #6a7a8a;
        }
        .hero {
            background: linear-gradient(135deg, #0b1a2e 0%, #1d3557 100%);
            color: #fff;
            padding: 3rem 0 2.8rem;
            text-align: center;
            border-bottom: 4px solid #f7d94e;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            letter-spacing: -0.5px;
            margin-bottom: 0.6rem;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .hero h1 i {
            color: #f7d94e;
            margin-right: 0.4rem;
        }
        .hero p {
            font-size: 1.2rem;
            opacity: 0.9;
            max-width: 750px;
            margin: 0 auto 1.2rem;
        }
        .hero .last-updated {
            display: inline-block;
            background: rgba(255, 255, 255, 0.12);
            padding: 0.3rem 1.4rem;
            border-radius: 30px;
            font-size: 0.85rem;
            backdrop-filter: blur(4px);
        }
        .search-section {
            background: #fff;
            padding: 1.6rem 0;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .search-form {
            display: flex;
            gap: 0.6rem;
            max-width: 640px;
            margin: 0 auto;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem 1.2rem;
            border: 2px solid #d6dee6;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.25s;
        }
        .search-form input:focus {
            border-color: #c12a2a;
        }
        .search-form button {
            background: #c12a2a;
            color: #fff;
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #8f1f1f;
            transform: scale(1.02);
        }
        .content-wrapper {
            padding: 2.8rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .main-content h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #0b1a2e;
            margin: 2.2rem 0 0.8rem;
            border-left: 6px solid #c12a2a;
            padding-left: 1rem;
        }
        .main-content h2:first-of-type {
            margin-top: 0;
        }
        .main-content h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #1d3557;
            margin: 1.8rem 0 0.6rem;
        }
        .main-content h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #2a4a6a;
            margin: 1.2rem 0 0.4rem;
        }
        .main-content p {
            margin-bottom: 1.2rem;
            font-size: 1.02rem;
        }
        .main-content .feature-box {
            background: #fff;
            border-radius: 20px;
            padding: 1.6rem 2rem;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.05);
            margin: 1.8rem 0;
            border-left: 4px solid #f7d94e;
        }
        .main-content .feature-box h4 {
            margin-top: 0;
        }
        .main-content .highlight {
            background: #fef9e7;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            font-weight: 600;
        }
        .main-content ul,
        .main-content ol {
            margin-bottom: 1.4rem;
        }
        .main-content li {
            margin-bottom: 0.5rem;
        }
        .content-image {
            margin: 2rem 0;
            border-radius: 18px;
            overflow: hidden;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.08);
        }
        .content-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        .content-image figcaption {
            background: #f0f4f9;
            padding: 0.6rem 1.2rem;
            font-size: 0.85rem;
            color: #4a5a6a;
            text-align: center;
        }
        .sidebar {
            position: sticky;
            top: 90px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 18px;
            padding: 1.4rem 1.6rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            margin-bottom: 1.6rem;
        }
        .sidebar-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #0b1a2e;
            border-bottom: 2px solid #f7d94e;
            padding-bottom: 0.5rem;
            margin-bottom: 0.8rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding-left: 0;
        }
        .sidebar-card ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f0f2f5;
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            color: #1d3557;
            font-weight: 500;
        }
        .sidebar-card ul li a:hover {
            color: #c12a2a;
            text-decoration: none;
        }
        .rating-section {
            background: #fff;
            border-radius: 20px;
            padding: 1.6rem 2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            margin: 2rem 0;
            text-align: center;
        }
        .rating-section h3 {
            margin-top: 0;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            font-size: 2.2rem;
            color: #d6dee6;
            cursor: pointer;
            margin: 0.8rem 0;
            transition: color 0.2s;
        }
        .stars i {
            transition: color 0.2s, transform 0.15s;
        }
        .stars i:hover,
        .stars i.active {
            color: #f7b731;
            transform: scale(1.15);
        }
        .rating-section button {
            background: #c12a2a;
            color: #fff;
            border: none;
            padding: 0.7rem 2.2rem;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
        }
        .rating-section button:hover {
            background: #8f1f1f;
        }
        .comments-section {
            background: #fff;
            border-radius: 20px;
            padding: 1.6rem 2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            margin: 2rem 0;
        }
        .comments-section h3 {
            margin-top: 0;
        }
        .comment-form textarea {
            width: 100%;
            padding: 0.9rem 1.2rem;
            border: 2px solid #d6dee6;
            border-radius: 16px;
            font-size: 1rem;
            resize: vertical;
            min-height: 110px;
            outline: none;
            transition: border 0.25s;
            font-family: inherit;
        }
        .comment-form textarea:focus {
            border-color: #c12a2a;
        }
        .comment-form input[type="text"] {
            width: 100%;
            padding: 0.7rem 1.2rem;
            border: 2px solid #d6dee6;
            border-radius: 40px;
            font-size: 1rem;
            margin: 0.6rem 0;
            outline: none;
            transition: border 0.25s;
        }
        .comment-form input[type="text"]:focus {
            border-color: #c12a2a;
        }
        .comment-form button {
            background: #0b1a2e;
            color: #fff;
            border: none;
            padding: 0.7rem 2.2rem;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
            margin-top: 0.4rem;
        }
        .comment-form button:hover {
            background: #1d3557;
        }
        friend-link {
            display: block;
            background: #fff;
            border-radius: 20px;
            padding: 1.6rem 2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            margin: 2rem 0 1rem;
        }
        friend-link h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #0b1a2e;
            margin-bottom: 0.8rem;
            border-bottom: 2px solid #f7d94e;
            padding-bottom: 0.4rem;
        }
        friend-link ul {
            list-style: none;
            padding-left: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.8rem;
        }
        friend-link ul li a {
            color: #1d3557;
            font-weight: 500;
        }
        friend-link ul li a:hover {
            color: #c12a2a;
            text-decoration: none;
        }
        .site-footer {
            background: #0b1a2e;
            color: #b0c4d8;
            padding: 2rem 0 1.6rem;
            text-align: center;
            border-top: 4px solid #f7d94e;
        }
        .site-footer p {
            margin-bottom: 0.4rem;
            font-size: 0.9rem;
        }
        .site-footer a {
            color: #f7d94e;
        }
        .site-footer a:hover {
            color: #fff;
        }
        .site-footer .copyright {
            margin-top: 0.8rem;
            font-size: 0.8rem;
            opacity: 0.7;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #142a44;
                padding: 1rem 0.6rem;
                border-radius: 16px;
                margin-top: 0.6rem;
                gap: 0.2rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1rem;
                width: 100%;
                text-align: center;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                justify-content: center;
            }
            .content-wrapper {
                padding: 1.8rem 0;
            }
            .main-content h2 {
                font-size: 1.5rem;
            }
            .main-content h3 {
                font-size: 1.2rem;
            }
            .rating-section,
            .comments-section,
            friend-link {
                padding: 1.2rem 1.2rem;
            }
            .stars {
                font-size: 1.8rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
        }
        .btn-subtle {
            background: none;
            border: none;
            cursor: pointer;
        }
        .toast-msg {
            display: none;
            background: #0b1a2e;
            color: #fff;
            padding: 0.5rem 1.4rem;
            border-radius: 40px;
            font-size: 0.9rem;
            margin-top: 0.6rem;
        }
        .toast-msg.show {
            display: inline-block;
        }
        .spacer {
            height: 0.6rem;
        }