* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #f5f7fc;
            color: #1a1a2e;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #b8860b;
            text-decoration: none;
            transition: color 0.25s;
        }
        a:hover {
            color: #d4a017;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #0f0c29, #1a1a3e, #24243e);
            padding: 18px 0;
            border-bottom: 4px solid #b8860b;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(135deg, #f7d875, #b8860b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 12px rgba(184, 134, 11, 0.3);
            transition: transform 0.3s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.8rem;
            display: block;
            -webkit-text-fill-color: #aaa;
            color: #aaa;
            letter-spacing: 0.5px;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        nav a {
            color: #e0dcd0;
            padding: 8px 15px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.25s;
            border: 1px solid transparent;
        }
        nav a:hover {
            background: rgba(184, 134, 11, 0.2);
            border-color: #b8860b;
            color: #f7d875;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: #f7d875;
            cursor: pointer;
            background: none;
            border: none;
            padding: 4px 12px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(184, 134, 11, 0.2);
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: #eef0f5;
            padding: 12px 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #dcdcdc;
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: #b8860b;
        }
        .breadcrumb span {
            color: #888;
        }
        main {
            padding: 40px 0 60px;
        }
        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #0f0c29;
            margin-bottom: 16px;
            line-height: 1.2;
            border-left: 6px solid #b8860b;
            padding-left: 20px;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #1a1a3e;
            margin: 48px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #e6d5b8;
            position: relative;
        }
        h2::after {
            content: '';
            position: absolute;
            bottom: -3px;
            left: 0;
            width: 80px;
            height: 3px;
            background: #b8860b;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #2d2d4e;
            margin: 32px 0 12px;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #3d3d5e;
            margin: 24px 0 10px;
            padding-left: 12px;
            border-left: 3px solid #b8860b;
        }
        p {
            margin-bottom: 18px;
            color: #2a2a3e;
        }
        .update-badge {
            display: inline-block;
            background: #1a1a3e;
            color: #f7d875;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 24px;
        }
        .hero-img {
            margin: 32px 0 40px;
            border-radius: 16px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
        }
        .highlight-box {
            background: linear-gradient(135deg, #faf6ee, #f5ede0);
            border-left: 6px solid #b8860b;
            padding: 24px 28px;
            border-radius: 0 16px 16px 0;
            margin: 28px 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(135deg, #b8860b, #d4a017);
            color: #fff !important;
            padding: 10px 28px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
            text-decoration: none !important;
        }
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(184, 134, 11, 0.35);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid #b8860b;
            color: #b8860b !important;
        }
        .btn-outline:hover {
            background: #b8860b;
            color: #fff !important;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
            margin: 28px 0;
        }
        .card {
            background: #fff;
            border-radius: 16px;
            padding: 24px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
            transition: transform 0.3s, box-shadow 0.3s;
            border: 1px solid #efefef;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);
        }
        .card i {
            font-size: 2rem;
            color: #b8860b;
            margin-bottom: 12px;
        }
        .card h3 {
            margin-top: 0;
        }
        .search-section {
            background: #fff;
            border-radius: 16px;
            padding: 32px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
            margin: 40px 0;
            border: 1px solid #efefef;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid #ddd;
            border-radius: 30px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-form input:focus {
            border-color: #b8860b;
        }
        .search-form button {
            padding: 14px 32px;
            border: none;
            border-radius: 30px;
            background: #b8860b;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #a0750a;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin: 40px 0;
        }
        .feedback-card {
            background: #fff;
            border-radius: 16px;
            padding: 28px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
            border: 1px solid #efefef;
        }
        .feedback-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .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 #e0e0e0;
            border-radius: 12px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.3s;
            font-family: inherit;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #b8860b;
        }
        .feedback-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-card .btn {
            align-self: flex-start;
        }
        .star-select {
            display: flex;
            gap: 8px;
            font-size: 1.6rem;
            color: #ddd;
            cursor: pointer;
        }
        .star-select i:hover,
        .star-select i.active {
            color: #f7d875;
        }
        footer {
            background: #0f0c29;
            color: #ccc;
            padding: 48px 0 24px;
            border-top: 4px solid #b8860b;
        }
        footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 36px;
        }
        footer h4 {
            color: #f7d875;
            border-left-color: #f7d875;
            margin-top: 0;
        }
        footer a {
            color: #ccb896;
        }
        footer a:hover {
            color: #f7d875;
        }
        friend-link {
            display: block;
            grid-column: 1 / -1;
            background: rgba(255, 255, 255, 0.04);
            padding: 20px 28px;
            border-radius: 16px;
            margin-top: 12px;
            border: 1px solid rgba(184, 134, 11, 0.2);
        }
        friend-link a {
            display: inline-block;
            margin: 4px 16px 4px 0;
            padding: 4px 0;
        }
        .copyright {
            grid-column: 1 / -1;
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.85rem;
            color: #999;
        }
        @media (max-width: 900px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            footer .container {
                grid-template-columns: 1fr 1fr;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 700px) {
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding-top: 16px;
                gap: 4px;
            }
            #nav-toggle:checked~.hamburger+.nav-menu {
                display: flex;
            }
            nav a {
                width: 100%;
                text-align: center;
                padding: 12px;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            h1 {
                font-size: 1.8rem;
                padding-left: 12px;
            }
            .search-form {
                flex-direction: column;
            }
            footer .container {
                grid-template-columns: 1fr;
            }
            friend-link {
                padding: 16px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .feedback-card {
                padding: 18px;
            }
        }
        .flex {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }
        .mt-2 {
            margin-top: 20px;
        }
        .mb-2 {
            margin-bottom: 20px;
        }
        .tag {
            display: inline-block;
            background: #e6d5b8;
            color: #3d2e1a;
            padding: 2px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        }
        th {
            background: #1a1a3e;
            color: #f7d875;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        td {
            padding: 12px 16px;
            border-bottom: 1px solid #eee;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #faf6ee;
        }
        .toc {
            background: #fff;
            border-radius: 16px;
            padding: 24px 28px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
            margin: 32px 0;
            border: 1px solid #efefef;
        }
        .toc ul {
            list-style: none;
            padding: 0;
            columns: 2;
            column-gap: 32px;
        }
        .toc li {
            padding: 4px 0;
            break-inside: avoid;
        }
        .toc a {
            display: block;
            padding: 6px 0;
            border-bottom: 1px dashed #eee;
        }
        @media (max-width: 600px) {
            .toc ul {
                columns: 1;
            }
        }