* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #f4f7fa;
            color: #1a2634;
            line-height: 1.7;
            font-size: 16px;
            scroll-behavior: smooth;
        }
        a {
            color: #0a66c2;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #003d7a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin-bottom: 1rem;
        }
        li {
            margin-bottom: 0.3rem;
        }
        h1,
        h2,
        h3,
        h4 {
            line-height: 1.3;
            color: #0b1a2a;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
            font-weight: 700;
        }
        h1 {
            font-size: 2.4rem;
            border-left: 6px solid #c8a84e;
            padding-left: 1rem;
            margin-top: 0.2rem;
        }
        h2 {
            font-size: 1.9rem;
            border-bottom: 2px solid #dce3ed;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.3rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(145deg, #0b1a2a 0%, #152b3a 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f0e6d0;
            text-shadow: 0 2px 8px rgba(200, 168, 78, 0.3);
            transition: opacity 0.2s;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
            color: #f0e6d0;
        }
        .my-logo i {
            color: #c8a84e;
            margin-right: 6px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #c8a84e;
            color: #c8a84e;
            font-size: 1.6rem;
            padding: 0.3rem 0.8rem;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(200, 168, 78, 0.15);
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
            list-style: none;
            padding: 0;
            margin: 0;
            align-items: center;
        }
        .nav-menu li a {
            color: #e2e9f2;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        .nav-menu li a:hover {
            color: #c8a84e;
            border-bottom-color: #c8a84e;
            text-decoration: none;
        }
        .nav-menu li a i {
            margin-right: 4px;
        }
        .breadcrumb {
            background: #f0f3f8;
            padding: 0.6rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #dce3ed;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #7a8a9e;
        }
        .breadcrumb a {
            color: #2a4a6a;
        }
        .breadcrumb .active {
            color: #6a7a8e;
            font-weight: 500;
        }
        .hero {
            background: linear-gradient(135deg, #0f2a3a 0%, #1a3a4a 100%);
            color: #f0f4fa;
            padding: 2.8rem 0 2.2rem;
            margin-bottom: 2rem;
            border-radius: 0 0 40px 40px;
        }
        .hero h1 {
            color: #f0e6d0;
            border-left-color: #c8a84e;
            font-size: 2.6rem;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 780px;
            color: #cddae8;
        }
        .hero .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 1rem;
            font-size: 0.95rem;
            color: #aabccf;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
            margin: 2rem 0 3rem;
        }
        @media (max-width: 920px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
        }
        .content-area {
            min-width: 0;
        }
        .sidebar {
            background: #ffffff;
            border-radius: 18px;
            padding: 1.5rem;
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.06);
            border: 1px solid #e8edf4;
            height: fit-content;
            position: sticky;
            top: 90px;
        }
        .sidebar h3 {
            font-size: 1.3rem;
            margin-top: 0.2rem;
            border-bottom: 2px solid #c8a84e;
            padding-bottom: 0.4rem;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f0f3f8;
        }
        .sidebar ul li a {
            font-weight: 500;
        }
        .card {
            background: #fff;
            border-radius: 18px;
            padding: 1.8rem 2rem;
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.04);
            border: 1px solid #eef3f9;
            margin-bottom: 2rem;
            transition: box-shadow 0.2s;
        }
        .card:hover {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.07);
        }
        .card figure {
            margin: 1.5rem 0;
        }
        .card figcaption {
            font-size: 0.85rem;
            color: #5a6a7e;
            margin-top: 0.4rem;
            text-align: center;
            font-style: italic;
        }
        .highlight-box {
            background: #f2f7fe;
            border-left: 5px solid #c8a84e;
            padding: 1.2rem 1.8rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .highlight-box strong {
            color: #0b1a2a;
        }
        .emoji-big {
            font-size: 1.6rem;
            margin-right: 0.3rem;
        }
        .rank-badge {
            display: inline-block;
            background: #0b1a2a;
            color: #f0e6d0;
            padding: 0.15rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .form-card {
            background: #fff;
            border-radius: 18px;
            padding: 1.8rem 2rem;
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.04);
            border: 1px solid #eef3f9;
            margin-bottom: 2rem;
        }
        .form-card h3 i {
            color: #c8a84e;
            margin-right: 8px;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            font-weight: 600;
            display: block;
            margin-bottom: 0.3rem;
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 1px solid #d0dae8;
            border-radius: 10px;
            font-size: 1rem;
            transition: border-color 0.2s, box-shadow 0.2s;
            background: #fafcff;
            font-family: inherit;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #c8a84e;
            box-shadow: 0 0 0 3px rgba(200, 168, 78, 0.2);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #0b1a2a;
            color: #f0e6d0;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn:hover {
            background: #1a3a4a;
            transform: scale(1.02);
            color: #f0e6d0;
            text-decoration: none;
        }
        .btn i {
            font-size: 0.9rem;
        }
        .rating-stars {
            display: flex;
            gap: 0.3rem;
            font-size: 1.8rem;
            color: #d0dae8;
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating-stars i.active,
        .rating-stars i:hover {
            color: #c8a84e;
        }
        .rating-stars i {
            transition: color 0.15s;
        }
        .site-footer {
            background: #0b1a2a;
            color: #cddae8;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
            border-radius: 40px 40px 0 0;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        @media (max-width: 700px) {
            .footer-inner {
                grid-template-columns: 1fr;
            }
        }
        .footer-inner h4 {
            color: #f0e6d0;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-inner a {
            color: #aabccf;
        }
        .footer-inner a:hover {
            color: #c8a84e;
        }
        friend-link {
            display: block;
            border-top: 1px solid #2a3a4a;
            padding-top: 1.5rem;
            margin-top: 1.5rem;
            font-size: 0.9rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.3rem 1rem 0.3rem 0;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            font-size: 0.85rem;
            color: #7a8a9e;
            border-top: 1px solid #1a2a3a;
            margin-top: 1.5rem;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 1rem 0 0.3rem 0;
                gap: 0.4rem 0;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                display: block;
                padding: 0.5rem 0;
                font-size: 1rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }
            .header-inner {
                align-items: center;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero {
                padding: 1.8rem 0 1.5rem;
            }
            .card {
                padding: 1.2rem 1.2rem;
            }
            .form-card {
                padding: 1.2rem 1.2rem;
            }
            .sidebar {
                position: static;
                margin-top: 1.5rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.9rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .card {
                padding: 1rem 0.9rem;
            }
            .form-card {
                padding: 1rem 0.9rem;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 1.8rem;
            right: 1.8rem;
            background: #0b1a2a;
            color: #f0e6d0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
            transition: transform 0.2s, background 0.2s;
            border: none;
            cursor: pointer;
            z-index: 900;
        }
        .scroll-top:hover {
            background: #1a3a4a;
            transform: translateY(-4px);
            color: #f0e6d0;
            text-decoration: none;
        }
        .text-gold {
            color: #c8a84e;
        }
        .fw-700 {
            font-weight: 700;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .rank-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.2rem 0;
            font-size: 0.95rem;
        }
        .rank-table th {
            background: #0b1a2a;
            color: #f0e6d0;
            padding: 0.6rem 0.8rem;
            text-align: left;
            font-weight: 600;
        }
        .rank-table td {
            padding: 0.5rem 0.8rem;
            border-bottom: 1px solid #e8edf4;
        }
        .rank-table tr:nth-child(even) {
            background: #f8faff;
        }
        .rank-table tr:hover {
            background: #f0f6fe;
        }
        @media (max-width: 600px) {
            .rank-table {
                font-size: 0.8rem;
            }
            .rank-table th,
            .rank-table td {
                padding: 0.4rem 0.4rem;
            }
        }