*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            background: #0b0e14;
            color: #e8edf3;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #f9a826;
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #ffc857;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #fff;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        h1 {
            font-size: 2.2rem;
            margin-top: 0.2rem;
        }
        h2 {
            font-size: 1.7rem;
            border-bottom: 2px solid #f9a82640;
            padding-bottom: 0.35rem;
        }
        h3 {
            font-size: 1.3rem;
            color: #f0d6a0;
        }
        h4 {
            font-size: 1.1rem;
            color: #cdd5e0;
        }
        p {
            margin-bottom: 1.1rem;
            color: #d0d7e3;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(135deg, #f9a826, #e88f1a);
            color: #0b0e14 !important;
            font-weight: 600;
            padding: 0.65rem 1.6rem;
            border-radius: 40px;
            border: none;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.3s;
            font-size: 0.95rem;
            text-decoration: none !important;
        }
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(249, 168, 38, 0.35);
        }
        .btn-sm {
            padding: 0.4rem 1.1rem;
            font-size: 0.85rem;
        }
        .badge {
            background: #1f2a36;
            color: #f9a826;
            font-size: 0.75rem;
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            display: inline-block;
            font-weight: 600;
        }
        header {
            background: #0f141c;
            border-bottom: 1px solid #1f2a36;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.7rem 0;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            background: linear-gradient(135deg, #f9a826, #ff6b35);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #f9a826;
            font-size: 1.5rem;
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: initial;
            color: #8899aa;
            font-weight: 400;
            letter-spacing: 0.3px;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 0.2rem;
            padding: 0;
            margin: 0;
        }
        .nav-list li a {
            padding: 0.5rem 0.9rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #bcc6d4;
            transition: background 0.25s, color 0.25s;
            display: block;
        }
        .nav-list li a:hover,
        .nav-list li a.active {
            background: #1f2a36;
            color: #f9a826;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #f9a826;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #1f2a36;
        }
        .breadcrumb {
            background: #0f141c;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #1a2330;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #556677;
        }
        .breadcrumb a {
            color: #8a9bb0;
        }
        .breadcrumb a:hover {
            color: #f9a826;
        }
        .breadcrumb .current {
            color: #c0ccdd;
            font-weight: 500;
        }
        main {
            flex: 1;
            padding: 2rem 0 3rem;
        }
        article {
            background: #111821;
            border-radius: 20px;
            padding: 2rem 2.2rem;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
            border: 1px solid #1f2a36;
        }
        .article-header {
            margin-bottom: 2rem;
        }
        .article-header .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 2rem;
            font-size: 0.9rem;
            color: #8899aa;
            margin-top: 0.6rem;
        }
        .article-header .meta i {
            margin-right: 0.35rem;
            color: #f9a826;
        }
        .article-header .last-updated {
            background: #1a2330;
            padding: 0.2rem 0.9rem;
            border-radius: 20px;
            font-weight: 500;
        }
        .featured-image {
            margin: 1.8rem 0 2.2rem;
            border-radius: 16px;
            overflow: hidden;
            background: #1a2330;
            position: relative;
        }
        .featured-image img {
            width: 100%;
            max-height: 460px;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
            color: #8899aa;
            background: #0f141c;
            border-top: 1px solid #1f2a36;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.6rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            background: #0f141c;
            border-radius: 12px;
            overflow: hidden;
        }
        table thead {
            background: #1f2a36;
        }
        table th,
        table td {
            padding: 0.75rem 1rem;
            text-align: left;
            border-bottom: 1px solid #1a2330;
        }
        table th {
            color: #f9a826;
            font-weight: 600;
        }
        table tbody tr:hover {
            background: #1a2330;
        }
        .link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 0.8rem;
            margin: 1.4rem 0;
        }
        .link-grid a {
            background: #0f141c;
            padding: 0.7rem 1.2rem;
            border-radius: 10px;
            border-left: 4px solid #f9a826;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            transition: background 0.25s, transform 0.2s;
        }
        .link-grid a:hover {
            background: #1a2330;
            transform: translateX(4px);
            text-decoration: none;
        }
        .search-section {
            background: #0f141c;
            padding: 1.5rem 2rem;
            border-radius: 16px;
            margin: 2rem 0 1.5rem;
            border: 1px solid #1f2a36;
        }
        .search-section h3 {
            margin-top: 0;
            font-size: 1.2rem;
        }
        .search-form {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
            margin-top: 0.6rem;
        }
        .search-form input[type="text"] {
            flex: 1 1 220px;
            padding: 0.7rem 1.2rem;
            border-radius: 40px;
            border: 1px solid #2a3a4a;
            background: #1a2330;
            color: #e8edf3;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-form input[type="text"]:focus {
            border-color: #f9a826;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.6rem;
            margin: 2rem 0 1rem;
        }
        .feedback-card {
            background: #0f141c;
            padding: 1.5rem 1.8rem;
            border-radius: 16px;
            border: 1px solid #1f2a36;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.15rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .feedback-card input,
        .feedback-card textarea {
            padding: 0.6rem 1rem;
            border-radius: 10px;
            border: 1px solid #2a3a4a;
            background: #1a2330;
            color: #e8edf3;
            font-size: 0.9rem;
            outline: none;
            transition: border 0.3s;
            font-family: inherit;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus {
            border-color: #f9a826;
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
        }
        .feedback-card .star-rating input {
            display: none;
        }
        .feedback-card .star-rating label {
            font-size: 1.6rem;
            color: #3a4a5a;
            cursor: pointer;
            transition: color 0.2s;
        }
        .feedback-card .star-rating input:checked~label,
        .feedback-card .star-rating label:hover,
        .feedback-card .star-rating label:hover~label {
            color: #f9a826;
        }
        @media (max-width: 680px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        friend-link {
            display: block;
            margin: 2rem 0 0.5rem;
            padding: 1.2rem 1.8rem;
            background: #0f141c;
            border-radius: 16px;
            border: 1px solid #1f2a36;
        }
        friend-link h3 {
            margin-top: 0;
            font-size: 1.1rem;
            color: #f9a826;
        }
        friend-link ul {
            list-style: none;
            padding: 0;
            margin: 0.6rem 0 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 1.2rem;
        }
        friend-link ul li a {
            color: #b0c4dd;
            font-size: 0.9rem;
        }
        friend-link ul li a:hover {
            color: #f9a826;
        }
        footer {
            background: #0a0e14;
            border-top: 1px solid #1a2330;
            padding: 2rem 0 1.5rem;
            margin-top: 2rem;
        }
        footer .copyright {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.8rem;
            font-size: 0.85rem;
            color: #667788;
        }
        footer .copyright a {
            color: #8899aa;
        }
        footer .copyright a:hover {
            color: #f9a826;
        }
        @media (max-width: 820px) {
            .header-inner {
                padding: 0.6rem 0;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0f141c;
                padding: 0.6rem 0 1rem;
                border-radius: 0 0 16px 16px;
                gap: 0.1rem;
            }
            .nav-list.show {
                display: flex;
            }
            .nav-list li a {
                padding: 0.6rem 1.2rem;
                border-radius: 0;
            }
            .hamburger {
                display: block;
            }
            .nav-wrapper {
                flex-wrap: wrap;
                width: 100%;
            }
            .nav-wrapper .nav-list {
                order: 3;
            }
            article {
                padding: 1.4rem 1.2rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .link-grid {
                grid-template-columns: 1fr;
            }
            .search-section {
                padding: 1.2rem 1.2rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            article {
                padding: 1rem 0.9rem;
                border-radius: 14px;
            }
            .feedback-card {
                padding: 1rem 1rem;
            }
            friend-link {
                padding: 1rem 1rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .my-logo small {
                font-size: 0.6rem;
            }
            table th,
            table td {
                padding: 0.5rem 0.6rem;
                font-size: 0.8rem;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #f9a826;
            color: #0b0e14;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            box-shadow: 0 4px 20px rgba(249, 168, 38, 0.3);
            transition: transform 0.25s, opacity 0.3s;
            opacity: 0.85;
            border: none;
            cursor: pointer;
            z-index: 50;
        }
        .scroll-top:hover {
            transform: scale(1.08);
            opacity: 1;
        }
        @media (max-width: 480px) {
            .scroll-top {
                bottom: 1rem;
                right: 1rem;
                width: 38px;
                height: 38px;
                font-size: 1rem;
            }
        }
        .highlight {
            background: linear-gradient(120deg, #f9a82620, #f9a82608);
            padding: 0.1rem 0.3rem;
            border-radius: 4px;
            font-weight: 600;
            color: #f9a826;
        }
        .divider {
            height: 2px;
            background: linear-gradient(90deg, transparent, #f9a82640, transparent);
            margin: 2rem 0;
        }
        .emoji-big {
            font-size: 1.4rem;
            display: inline-block;
            margin-right: 0.2rem;
        }
        .tip-box {
            background: #1a2330;
            border-left: 5px solid #f9a826;
            padding: 1rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.4rem 0;
        }
        .tip-box strong {
            color: #f9a826;
        }
        .fa-ul {
            margin-left: 1.8rem;
        }
        .fa-ul li {
            margin-bottom: 0.5rem;
        }