* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #0b0e14;
            color: #e8edf2;
            line-height: 1.7;
            font-size: 16px;
            scroll-behavior: smooth;
        }
        a {
            color: #6fc3df;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #aae0ff;
            text-decoration: underline;
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 600;
            letter-spacing: 0.01em;
            color: #f0f5fa;
        }
        h1 {
            font-size: 2.4rem;
            margin: 0 0 0.5rem 0;
            line-height: 1.2;
        }
        h2 {
            font-size: 1.8rem;
            margin: 2.4rem 0 1rem 0;
            border-bottom: 2px solid #2a3a4a;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.35rem;
            margin: 1.8rem 0 0.7rem 0;
        }
        h4 {
            font-size: 1.1rem;
            margin: 1.2rem 0 0.4rem 0;
            color: #c8dae8;
        }
        p {
            margin: 0 0 1.2rem 0;
            font-size: 1.02rem;
        }
        ul,
        ol {
            margin: 0 0 1.4rem 1.8rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        strong {
            color: #f7c948;
            font-weight: 600;
        }
        em {
            color: #b8d0e0;
            font-style: italic;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: #131a23;
            border-bottom: 2px solid #1f2c38;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.6);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 20px;
            max-width: 1200px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 700;
            color: #f0f5fa;
            letter-spacing: 0.5px;
            background: linear-gradient(135deg, #d4a853, #f7d98c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .my-logo i {
            -webkit-text-fill-color: #d4a853;
            margin-right: 6px;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 6px;
            margin: 0;
            flex-wrap: wrap;
        }
        .nav-list li a {
            padding: 8px 14px;
            border-radius: 6px;
            font-size: 0.92rem;
            font-weight: 500;
            color: #c8dae8;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        .nav-list li a:hover {
            background: #1f2c38;
            color: #f0f5fa;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #e8edf2;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 10px;
            border-radius: 4px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #1f2c38;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #131a23;
                padding: 12px 0 16px 0;
                gap: 2px;
                border-top: 1px solid #1f2c38;
                margin-top: 10px;
            }
            .nav-list.show {
                display: flex;
            }
            .nav-list li a {
                display: block;
                padding: 10px 20px;
                border-radius: 0;
            }
            .header-inner {
                padding: 10px 16px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .container {
                padding: 0 14px;
            }
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 14px 0 6px 0;
            margin: 0 0 16px 0;
            font-size: 0.88rem;
            color: #8a9aa8;
            gap: 6px;
        }
        .breadcrumb li+li::before {
            content: "▸";
            margin: 0 8px 0 4px;
            color: #5a6a78;
        }
        .breadcrumb li a {
            color: #8a9aa8;
        }
        .breadcrumb li a:hover {
            color: #6fc3df;
        }
        .breadcrumb li.active {
            color: #c8dae8;
        }
        .hero-img {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
            border-radius: 12px;
            margin: 16px 0 24px 0;
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.7);
            border: 1px solid #2a3a4a;
        }
        .search-wrap {
            background: #141c26;
            padding: 20px 24px;
            border-radius: 12px;
            margin: 20px 0 28px 0;
            border: 1px solid #1f2c38;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .search-wrap label {
            font-weight: 600;
            font-size: 1.05rem;
            color: #c8dae8;
        }
        .search-wrap input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 12px 18px;
            border-radius: 8px;
            border: 1px solid #2a3a4a;
            background: #0b0e14;
            color: #e8edf2;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-wrap input[type="text"]:focus {
            border-color: #6fc3df;
        }
        .search-wrap button {
            padding: 12px 28px;
            border-radius: 8px;
            border: none;
            background: #d4a853;
            color: #0b0e14;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-wrap button:hover {
            background: #e8c06a;
            transform: scale(1.02);
        }
        .search-wrap button i {
            font-size: 1.1rem;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 32px 0 24px 0;
        }
        @media (max-width: 700px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .feedback-card {
            background: #141c26;
            border-radius: 12px;
            padding: 22px 24px;
            border: 1px solid #1f2c38;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            border-bottom: 1px solid #1f2c38;
            padding-bottom: 8px;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feedback-card h3 i {
            color: #d4a853;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .feedback-card textarea,
        .feedback-card input[type="number"],
        .feedback-card input[type="text"] {
            padding: 10px 14px;
            border-radius: 8px;
            border: 1px solid #2a3a4a;
            background: #0b0e14;
            color: #e8edf2;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
            width: 100%;
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card textarea:focus,
        .feedback-card input:focus {
            border-color: #6fc3df;
        }
        .feedback-card button {
            align-self: flex-start;
            padding: 10px 28px;
            border-radius: 8px;
            border: none;
            background: #d4a853;
            color: #0b0e14;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .feedback-card button:hover {
            background: #e8c06a;
        }
        .star-input {
            display: flex;
            gap: 4px;
            font-size: 1.6rem;
            color: #4a5a6a;
            cursor: pointer;
        }
        .star-input .fa-star.active {
            color: #f7c948;
        }
        .star-input .fa-star:hover,
        .star-input .fa-star:hover~.fa-star {
            color: #f7c948;
        }
        friend-link {
            display: block;
            padding: 20px 0 10px 0;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 16px 4px 0;
            color: #8a9aa8;
            font-size: 0.92rem;
        }
        friend-link a:hover {
            color: #6fc3df;
        }
        footer {
            background: #0f151e;
            border-top: 2px solid #1f2c38;
            padding: 32px 0 20px 0;
            margin-top: 40px;
            text-align: center;
        }
        footer .copyright {
            color: #6a7a88;
            font-size: 0.88rem;
            margin-top: 12px;
        }
        footer .copyright i {
            margin-right: 4px;
        }
        .badge {
            display: inline-block;
            background: #1f2c38;
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            color: #b0c0ce;
            margin-left: 6px;
        }
        .updated {
            color: #8a9aa8;
            font-size: 0.9rem;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .updated i {
            color: #d4a853;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 20px 0 24px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #141c26;
            border-radius: 10px;
            overflow: hidden;
            border: 1px solid #1f2c38;
        }
        table th {
            background: #1a2532;
            color: #f0f5fa;
            font-weight: 600;
            padding: 12px 16px;
            text-align: left;
        }
        table td {
            padding: 10px 16px;
            border-top: 1px solid #1f2c38;
            color: #c8dae8;
        }
        table tr:hover td {
            background: #1a2532;
        }
        kbd {
            display: inline-block;
            background: #1f2c38;
            padding: 2px 10px;
            border-radius: 4px;
            font-family: 'Consolas', 'Courier New', monospace;
            font-size: 0.9rem;
            border: 1px solid #3a4a5a;
            color: #f0f5fa;
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
        }
        .tip-box {
            background: #1a2532;
            border-left: 4px solid #d4a853;
            padding: 16px 20px;
            border-radius: 0 10px 10px 0;
            margin: 20px 0;
        }
        .tip-box strong {
            color: #f7c948;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin: 16px 0 20px 0;
        }
        @media (max-width: 600px) {
            .grid-2 {
                grid-template-columns: 1fr;
            }
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .fa-ul li {
            margin-bottom: 0.6rem;
        }