*,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.7;
            color: #1a1a2e;
            background: #fafafc;
            padding: 0;
            font-size: 16px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
            color: #fff;
            padding: 16px 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;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f7d44a;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .my-logo i {
            font-size: 1.8rem;
            color: #4fc3f7;
        }
        .my-logo span {
            font-weight: 300;
            color: #fff;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 8px;
            flex-wrap: wrap;
        }
        .nav-list li a {
            color: #e0e0f0;
            text-decoration: none;
            padding: 8px 14px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.25s;
            white-space: nowrap;
        }
        .nav-list li a:hover,
        .nav-list li a:focus-visible {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            outline: none;
        }
        .nav-list li a.active {
            background: #f7d44a;
            color: #1a1a2e;
        }
        .hamburger {
            display: none;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: #f0f0f8;
            padding: 10px 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #e0e0ec;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #999;
        }
        .breadcrumb a {
            color: #302b63;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .current {
            color: #666;
            font-weight: 500;
        }
        main {
            padding: 30px 0 50px;
        }
        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            color: #0f0c29;
            margin-bottom: 10px;
            letter-spacing: -1px;
        }
        h1 i {
            color: #f7d44a;
            margin-right: 12px;
        }
        .subhead {
            font-size: 1.15rem;
            color: #555;
            margin-bottom: 30px;
            border-left: 4px solid #f7d44a;
            padding-left: 18px;
        }
        .last-updated {
            display: inline-block;
            background: #eef0ff;
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #302b63;
            margin-bottom: 20px;
        }
        .last-updated i {
            margin-right: 6px;
            color: #f7a;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #24243e;
            margin-top: 40px;
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #f7d44a;
        }
        h2 i {
            color: #f7d44a;
            margin-right: 10px;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #302b63;
            margin-top: 30px;
            margin-bottom: 12px;
        }
        h3 i {
            color: #4fc3f7;
            margin-right: 8px;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #1a1a2e;
            margin-top: 22px;
            margin-bottom: 8px;
        }
        p {
            margin-bottom: 16px;
            color: #2d2d44;
        }
        .highlight-box {
            background: linear-gradient(135deg, #f9f7ff, #eef0ff);
            border-left: 5px solid #f7d44a;
            padding: 20px 24px;
            border-radius: 12px;
            margin: 24px 0;
        }
        .highlight-box strong {
            color: #0f0c29;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 24px 0;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            font-size: 0.95rem;
        }
        th {
            background: #302b63;
            color: #fff;
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
        }
        td {
            padding: 12px 16px;
            border-bottom: 1px solid #ececf4;
        }
        tr:hover td {
            background: #f8f7ff;
        }
        .img-wrapper {
            margin: 30px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
        }
        .img-wrapper img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
        }
        .img-caption {
            background: #fff;
            padding: 12px 20px;
            font-size: 0.9rem;
            color: #666;
            border-top: 1px solid #ececf4;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 24px;
            margin: 28px 0;
        }
        .card {
            background: #fff;
            border-radius: 16px;
            padding: 24px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            transition: transform 0.25s, box-shadow 0.25s;
            border: 1px solid #f0f0f8;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
        }
        .card i {
            font-size: 2rem;
            color: #f7d44a;
            margin-bottom: 12px;
        }
        .card h4 {
            margin-top: 0;
        }
        .card p {
            font-size: 0.95rem;
            color: #555;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 10px 20px;
            background: #f8f7ff;
            padding: 20px 24px;
            border-radius: 14px;
            margin: 20px 0;
            list-style: none;
        }
        .link-list li a {
            color: #302b63;
            text-decoration: none;
            font-weight: 500;
            padding: 4px 0;
            display: inline-block;
            border-bottom: 1px solid transparent;
            transition: border-color 0.2s;
        }
        .link-list li a:hover {
            border-bottom-color: #f7d44a;
            color: #0f0c29;
        }
        .link-list li a i {
            margin-right: 8px;
            color: #f7d44a;
            font-size: 0.8rem;
        }
        .search-section {
            background: #fff;
            padding: 28px;
            border-radius: 18px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            margin: 32px 0;
            border: 1px solid #ececf4;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid #e0e0ec;
            border-radius: 50px;
            font-size: 1rem;
            transition: border-color 0.3s;
            background: #fafafc;
        }
        .search-form input:focus {
            border-color: #302b63;
            outline: none;
            background: #fff;
        }
        .search-form button {
            padding: 14px 32px;
            background: #302b63;
            color: #fff;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .search-form button:hover {
            background: #0f0c29;
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin: 32px 0;
        }
        @media(max-width:768px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .feedback-card {
            background: #fff;
            padding: 24px 28px;
            border-radius: 18px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #ececf4;
        }
        .feedback-card h3 {
            margin-top: 0;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 12px 16px;
            border: 2px solid #e0e0ec;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border-color 0.3s;
            background: #fafafc;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #302b63;
            outline: none;
            background: #fff;
        }
        .feedback-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-card .star-select {
            display: flex;
            gap: 8px;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            flex-direction: row-reverse;
            justify-content: flex-end;
        }
        .feedback-card .star-select input {
            display: none;
        }
        .feedback-card .star-select label {
            transition: color 0.2s, transform 0.15s;
        }
        .feedback-card .star-select label:hover,
        .feedback-card .star-select label:hover~label,
        .feedback-card .star-select input:checked~label {
            color: #f7d44a;
            transform: scale(1.1);
        }
        .btn-primary {
            padding: 14px 28px;
            background: #f7d44a;
            color: #1a1a2e;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .btn-primary:hover {
            background: #e6c13a;
            transform: scale(1.02);
        }
        footer {
            background: #0f0c29;
            color: #ccc;
            padding: 40px 0 24px;
            margin-top: 40px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        @media(max-width:768px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        footer h4 {
            color: #f7d44a;
            font-size: 1.1rem;
            margin-bottom: 12px;
        }
        footer a {
            color: #aaa;
            text-decoration: none;
            transition: color 0.2s;
        }
        footer a:hover {
            color: #f7d44a;
        }
        footer ul {
            list-style: none;
        }
        footer ul li {
            margin-bottom: 8px;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.04);
            padding: 18px 20px;
            border-radius: 12px;
            margin-top: 12px;
            font-size: 0.95rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 20px;
            padding: 4px 0;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            margin-top: 28px;
            text-align: center;
            font-size: 0.9rem;
            color: #888;
        }
        .copyright strong {
            color: #f7d44a;
        }
        @media(max-width:768px) {
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(15, 12, 41, 0.98);
                padding: 16px 0 20px;
                border-radius: 16px;
                margin-top: 12px;
                gap: 4px;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 12px 20px;
                border-radius: 0;
                display: block;
            }
            .hamburger {
                display: block;
            }
            .breadcrumb ol {
                font-size: 0.8rem;
                gap: 4px 8px;
            }
            .search-form input {
                min-width: 140px;
            }
            .feedback-grid {
                gap: 20px;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .link-list {
                grid-template-columns: 1fr;
            }
        }
        @media(min-width:769px) {
            .nav-list {
                display: flex !important;
            }
            .hamburger {
                display: none !important;
            }
        }
        :target {
            scroll-margin-top: 90px;
        }
        .mt-1 {
            margin-top: 12px;
        }
        .mb-1 {
            margin-bottom: 12px;
        }
        .text-muted {
            color: #888;
            font-size: 0.9rem;
        }
        .tag {
            display: inline-block;
            background: #eef0ff;
            padding: 2px 14px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #302b63;
        }