* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #0b0f1a;
            color: #e8edf5;
            line-height: 1.7;
            scroll-behavior: smooth;
        }
        a {
            color: #7aa9ff;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #aac7ff;
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: #141b2b;
            border-bottom: 2px solid #2a3a5a;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(6px);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, #f7b731, #f39c12);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            text-shadow: 0 0 20px rgba(247, 183, 49, 0.15);
        }
        .my-logo:hover {
            text-decoration: none;
            -webkit-text-fill-color: #f7b731;
        }
        .nav-toggle {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #e8edf5;
            cursor: pointer;
            padding: 4px 10px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #1f2a40;
        }
        .nav-menu {
            display: flex;
            gap: 24px;
            align-items: center;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #c8d6e5;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        .nav-menu a:hover {
            color: #f7b731;
            border-bottom-color: #f7b731;
            text-decoration: none;
        }
        .breadcrumb {
            background: #1a2335;
            padding: 10px 0;
            font-size: 0.85rem;
            color: #8899b0;
        }
        .breadcrumb a {
            color: #7aa9ff;
        }
        .breadcrumb a:hover {
            color: #f7b731;
        }
        .breadcrumb span {
            margin: 0 6px;
            color: #556;
        }
        .hero {
            padding: 48px 0 32px;
            text-align: center;
            background: radial-gradient(ellipse at 50% 0%, #1a2a4a, #0b0f1a 80%);
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, #f7b731, #e67e22);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 12px;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.2rem;
            color: #b0c4de;
            max-width: 800px;
            margin: 0 auto 24px;
        }
        .hero .meta-info {
            font-size: 0.9rem;
            color: #6a7f9f;
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
        }
        .hero .meta-info i {
            margin-right: 6px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        .main-content {
            min-width: 0;
        }
        .main-content h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #f7b731;
            margin: 40px 0 16px;
            border-left: 5px solid #f7b731;
            padding-left: 18px;
        }
        .main-content h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #e0e8f5;
            margin: 32px 0 12px;
        }
        .main-content h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #c8d6e5;
            margin: 24px 0 8px;
        }
        .main-content p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: #d0dbe8;
        }
        .main-content strong {
            color: #f7b731;
            font-weight: 700;
        }
        .main-content ul,
        .main-content ol {
            margin: 16px 0 20px 28px;
            color: #c8d6e5;
        }
        .main-content li {
            margin-bottom: 8px;
        }
        .highlight-box {
            background: #1a2335;
            border-radius: 16px;
            padding: 24px 28px;
            margin: 32px 0;
            border-left: 6px solid #f7b731;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .feature-image {
            margin: 32px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
        }
        .feature-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.4s ease;
        }
        .feature-image:hover img {
            transform: scale(1.02);
        }
        .feature-image figcaption {
            background: #141b2b;
            padding: 12px 20px;
            font-size: 0.9rem;
            color: #8899b0;
            text-align: center;
        }
        .link-list-inline {
            background: #141b2b;
            border-radius: 12px;
            padding: 20px 24px;
            margin: 24px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
        }
        .link-list-inline a {
            color: #7aa9ff;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 4px 0;
            border-bottom: 1px solid transparent;
        }
        .link-list-inline a:hover {
            color: #f7b731;
            border-bottom-color: #f7b731;
            text-decoration: none;
        }
        .emoji-big {
            font-size: 1.4em;
            margin-right: 4px;
        }
        .sidebar {
            position: sticky;
            top: 120px;
            align-self: start;
        }
        .sidebar-card {
            background: #141b2b;
            border-radius: 16px;
            padding: 24px;
            margin-bottom: 28px;
            border: 1px solid #1f2a40;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            color: #f7b731;
            margin-bottom: 16px;
            border-bottom: 2px solid #1f2a40;
            padding-bottom: 10px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card li {
            margin-bottom: 10px;
        }
        .sidebar-card a {
            color: #b0c4de;
            font-size: 0.95rem;
            display: block;
            padding: 6px 0;
            border-bottom: 1px solid #1a2335;
            transition: 0.2s;
        }
        .sidebar-card a:hover {
            color: #f7b731;
            padding-left: 6px;
            text-decoration: none;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin-top: 12px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 16px;
            border-radius: 40px;
            border: 2px solid #2a3a5a;
            background: #0b0f1a;
            color: #e8edf5;
            font-size: 0.95rem;
            outline: none;
            transition: 0.3s;
        }
        .search-form input:focus {
            border-color: #f7b731;
            box-shadow: 0 0 0 3px rgba(247, 183, 49, 0.15);
        }
        .search-form button {
            background: #f7b731;
            border: none;
            border-radius: 40px;
            padding: 0 24px;
            color: #0b0f1a;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #f39c12;
            transform: scale(1.03);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin: 40px 0;
        }
        .feedback-card {
            background: #141b2b;
            border-radius: 16px;
            padding: 28px;
            border: 1px solid #1f2a40;
        }
        .feedback-card h3 {
            font-size: 1.3rem;
            color: #f7b731;
            margin-bottom: 16px;
            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-radius: 10px;
            border: 2px solid #2a3a5a;
            background: #0b0f1a;
            color: #e8edf5;
            font-size: 0.95rem;
            outline: none;
            transition: 0.3s;
            font-family: inherit;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #f7b731;
            box-shadow: 0 0 0 3px rgba(247, 183, 49, 0.1);
        }
        .feedback-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-card button {
            background: #f7b731;
            border: none;
            border-radius: 40px;
            padding: 14px 28px;
            font-weight: 700;
            font-size: 1rem;
            color: #0b0f1a;
            cursor: pointer;
            transition: 0.2s;
            align-self: flex-start;
        }
        .feedback-card button:hover {
            background: #f39c12;
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 4px;
            justify-content: flex-end;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #3a4a6a;
            cursor: pointer;
            transition: 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f7b731;
        }
        .site-footer {
            background: #0a0f1a;
            border-top: 2px solid #1a2335;
            padding: 40px 0 24px;
            margin-top: 48px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        .footer-inner h4 {
            color: #f7b731;
            font-size: 1.1rem;
            margin-bottom: 16px;
        }
        .footer-inner p,
        .footer-inner a {
            color: #8899b0;
            font-size: 0.9rem;
        }
        .footer-inner a:hover {
            color: #f7b731;
        }
        friend-link {
            display: block;
            margin-top: 12px;
            padding: 12px 16px;
            background: #0b0f1a;
            border-radius: 10px;
            border: 1px solid #1a2335;
            font-size: 0.9rem;
            color: #6a7f9f;
        }
        friend-link a {
            color: #7aa9ff;
            margin: 0 6px;
        }
        friend-link a:hover {
            color: #f7b731;
        }
        .copyright {
            text-align: center;
            padding-top: 28px;
            margin-top: 28px;
            border-top: 1px solid #1a2335;
            color: #4a5a7a;
            font-size: 0.85rem;
        }
        .copyright strong {
            color: #8899b0;
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 8px;
                padding: 16px 0 8px;
                border-top: 1px solid #1f2a40;
                margin-top: 12px;
            }
            .nav-menu.active {
                display: flex;
            }
            .nav-menu a {
                padding: 10px 0;
                border-bottom: 1px solid #1a2335;
                width: 100%;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .main-content h2 {
                font-size: 1.6rem;
            }
            .main-content h3 {
                font-size: 1.3rem;
            }
            .link-list-inline {
                flex-direction: column;
                gap: 8px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                justify-content: center;
                padding: 12px;
            }
            .feedback-card {
                padding: 18px;
            }
        }
        html {
            scroll-padding-top: 80px;
        }
        ::selection {
            background: #f7b731;
            color: #0b0f1a;
        }