*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #0d0d0d;
            color: #e8e8e8;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #ff8c1a;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #ffaa4a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #fff;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        h1 {
            font-size: 2.4rem;
            border-left: 6px solid #ff8c1a;
            padding-left: 1rem;
            margin-top: 0.4rem;
        }
        h2 {
            font-size: 1.9rem;
            border-bottom: 2px solid #2a2a2a;
            padding-bottom: 0.4rem;
            margin-top: 2.4rem;
        }
        h3 {
            font-size: 1.5rem;
            margin-top: 1.8rem;
        }
        h4 {
            font-size: 1.25rem;
            margin-top: 1.4rem;
            color: #f0c674;
        }
        p {
            margin-bottom: 1.1rem;
            font-size: 1.05rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(145deg, #1a1a1a 0%, #0f0f0f 100%);
            border-bottom: 2px solid #ff8c1a;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.7);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            background: linear-gradient(135deg, #ff8c1a, #ffcc00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            text-shadow: 0 0 30px rgba(255, 140, 26, 0.2);
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.92;
        }
        .my-logo small {
            font-size: 0.75rem;
            -webkit-text-fill-color: #aaa;
            background: none;
            font-weight: 400;
            letter-spacing: 0.3px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #2a2a2a;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0.3rem 0.8rem;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
        }
        .nav-menu li a {
            padding: 0.4rem 0.9rem;
            border-radius: 30px;
            font-size: 0.94rem;
            font-weight: 500;
            color: #ddd;
            background: transparent;
            transition: all 0.25s ease;
            display: inline-block;
        }
        .nav-menu li a:hover,
        .nav-menu li a:focus {
            background: #ff8c1a;
            color: #0d0d0d;
            text-decoration: none;
        }
        .nav-menu li a i {
            margin-right: 0.3rem;
        }
        .breadcrumb {
            background: #1a1a1a;
            padding: 0.6rem 0;
            border-bottom: 1px solid #2a2a2a;
            font-size: 0.88rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #777;
        }
        .breadcrumb a {
            color: #ff8c1a;
        }
        .breadcrumb .current {
            color: #ccc;
        }
        .hero-img-wrap {
            margin: 2rem 0 1.2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 40px rgba(255, 140, 26, 0.15);
            background: #1a1a1a;
        }
        .hero-img-wrap img {
            width: 100%;
            object-fit: cover;
            min-height: 200px;
            max-height: 460px;
        }
        .hero-caption {
            padding: 0.6rem 1.2rem 0.8rem;
            font-size: 0.92rem;
            color: #aaa;
            background: #1a1a1a;
            border-top: 1px solid #2a2a2a;
        }
        .search-section {
            background: #161616;
            border-radius: 14px;
            padding: 1.6rem 1.8rem;
            margin: 2rem 0;
            border: 1px solid #2a2a2a;
        }
        .search-form {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .search-form input[type="text"] {
            flex: 1 1 240px;
            padding: 0.8rem 1.2rem;
            border-radius: 40px;
            border: none;
            background: #2a2a2a;
            color: #fff;
            font-size: 1rem;
            outline: 2px solid transparent;
            transition: outline 0.25s;
        }
        .search-form input[type="text"]:focus {
            outline-color: #ff8c1a;
        }
        .search-form button {
            padding: 0.8rem 2rem;
            border-radius: 40px;
            border: none;
            background: #ff8c1a;
            color: #0d0d0d;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #ffaa40;
            transform: scale(1.02);
        }
        .content-area {
            padding: 1.2rem 0 2.4rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media(min-width:992px) {
            .content-grid {
                grid-template-columns: 2.5fr 1fr;
            }
            .sidebar-sticky {
                position: sticky;
                top: 100px;
                align-self: start;
            }
        }
        .sidebar-box {
            background: #161616;
            border-radius: 14px;
            padding: 1.6rem 1.4rem;
            border: 1px solid #2a2a2a;
            margin-bottom: 1.6rem;
        }
        .sidebar-box h3 {
            margin-top: 0;
            font-size: 1.3rem;
            border-bottom: 1px solid #2a2a2a;
            padding-bottom: 0.5rem;
        }
        .sidebar-box ul {
            list-style: none;
            padding: 0;
            margin: 0.8rem 0 0;
        }
        .sidebar-box ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #222;
        }
        .sidebar-box ul li a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-box ul li a i {
            width: 1.2rem;
            color: #ff8c1a;
        }
        .feedback-section {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.8rem;
            margin: 2.4rem 0;
            padding: 1.8rem;
            background: #161616;
            border-radius: 14px;
            border: 1px solid #2a2a2a;
        }
        @media(min-width:768px) {
            .feedback-section {
                grid-template-columns: 1fr 1fr;
            }
        }
        .feedback-card {
            background: #1f1f1f;
            padding: 1.4rem 1.6rem;
            border-radius: 12px;
            border: 1px solid #2a2a2a;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.25rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 0.7rem 1rem;
            border-radius: 8px;
            border: none;
            background: #2a2a2a;
            color: #fff;
            font-size: 0.95rem;
            outline: 2px solid transparent;
            transition: outline 0.2s;
            font-family: inherit;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            outline-color: #ff8c1a;
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card button {
            padding: 0.7rem 1.6rem;
            border-radius: 40px;
            border: none;
            background: #ff8c1a;
            color: #0d0d0d;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.25s;
            align-self: flex-start;
            font-size: 0.95rem;
        }
        .feedback-card button:hover {
            background: #ffaa40;
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            color: #555;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            transition: color 0.2s;
            color: #555;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #ffc107;
        }
        friend-link {
            display: block;
            padding: 1.2rem 0 0.6rem;
        }
        friend-link ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.4rem;
        }
        friend-link ul li a {
            color: #ff8c1a;
            font-weight: 500;
        }
        .site-footer {
            background: #0a0a0a;
            border-top: 2px solid #1f1f1f;
            padding: 1.8rem 0;
            margin-top: auto;
            text-align: center;
            font-size: 0.92rem;
            color: #888;
        }
        .site-footer .copyright {
            margin-top: 0.6rem;
            font-size: 0.85rem;
        }
        .site-footer .copyright i {
            color: #ff8c1a;
        }
        .last-update {
            display: inline-block;
            background: #1f1f1f;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #bbb;
            border: 1px solid #2a2a2a;
            margin-bottom: 0.8rem;
        }
        .last-update i {
            margin-right: 0.4rem;
            color: #ff8c1a;
        }
        @media(max-width:768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #111;
                padding: 1rem 0.5rem;
                border-radius: 12px;
                border: 1px solid #2a2a2a;
                margin-top: 0.4rem;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                padding: 0.6rem 1rem;
                width: 100%;
            }
            .header-inner {
                align-items: center;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .feedback-section {
                grid-template-columns: 1fr;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
        }
        @media(max-width:480px) {
            .container {
                padding: 0 0.8rem;
            }
            h1 {
                font-size: 1.6rem;
                padding-left: 0.6rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .sidebar-box {
                padding: 1rem;
            }
        }
        .highlight-box {
            background: #1f2a1f;
            border-left: 5px solid #4caf50;
            padding: 1rem 1.4rem;
            border-radius: 0 12px 12px 0;
            margin: 1.6rem 0;
        }
        .highlight-box-warn {
            background: #2a2218;
            border-left-color: #ff8c1a;
        }
        .btn-top {
            position: fixed;
            bottom: 1.6rem;
            right: 1.6rem;
            background: #ff8c1a;
            color: #0d0d0d;
            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(255, 140, 26, 0.3);
            transition: opacity 0.3s, transform 0.2s;
            border: none;
            cursor: pointer;
            z-index: 99;
            opacity: 0.8;
        }
        .btn-top:hover {
            opacity: 1;
            transform: scale(1.05);
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #1a1a1a;
            border-radius: 12px;
            overflow: hidden;
        }
        table th,
        table td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid #2a2a2a;
        }
        table th {
            background: #2a2a2a;
            color: #ff8c1a;
            font-weight: 600;
        }
        table tr:hover td {
            background: #222;
        }
        .tag {
            display: inline-block;
            background: #ff8c1a22;
            color: #ff8c1a;
            padding: 0.15rem 0.7rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            border: 1px solid #ff8c1a44;
        }