* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, Arial, sans-serif;
            background: #0d0f14;
            color: #e8edf2;
            line-height: 1.7;
            padding: 0;
            font-size: 16px;
        }
        a {
            color: #7aa9ff;
            text-decoration: none;
            transition: color 0.25s;
        }
        a:hover {
            color: #ffd966;
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: #141820;
            border-bottom: 2px solid #2a3040;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(6px);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(135deg, #f0c27f, #fc5c7d);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #fc5c7d;
            margin-right: 6px;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .nav-menu {
            display: flex;
            gap: 20px;
            align-items: center;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #c8d0dc;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 10px;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
        }
        .nav-menu a:hover {
            background: #2a3346;
            color: #ffd966;
            text-decoration: none;
        }
        .nav-menu a i {
            margin-right: 6px;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #e8edf2;
            cursor: pointer;
            padding: 4px 10px;
        }
        .breadcrumb {
            padding: 14px 0 6px;
            font-size: 0.9rem;
            color: #8895aa;
        }
        .breadcrumb a {
            color: #7aa9ff;
        }
        .breadcrumb a:hover {
            color: #ffd966;
        }
        .breadcrumb span {
            margin: 0 6px;
            color: #556;
        }
        .search-block {
            background: #1a1f2a;
            border-radius: 16px;
            padding: 28px 24px;
            margin: 24px 0 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            border: 1px solid #2e374a;
        }
        .search-block input {
            flex: 1 1 240px;
            padding: 14px 18px;
            border-radius: 40px;
            border: none;
            background: #0d0f14;
            color: #e8edf2;
            font-size: 1rem;
            border: 1px solid #3a455e;
            transition: border 0.3s;
        }
        .search-block input:focus {
            outline: none;
            border-color: #7aa9ff;
        }
        .search-block button {
            background: #2a5f8a;
            border: none;
            color: #fff;
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.1s;
            font-size: 1rem;
        }
        .search-block button:hover {
            background: #3a7bb5;
            transform: scale(1.02);
        }
        main {
            padding: 20px 0 50px;
        }
        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 24px 0 16px;
            background: linear-gradient(135deg, #f6d365, #fda085);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        h2 {
            font-size: 2.0rem;
            font-weight: 700;
            margin: 40px 0 18px;
            padding-bottom: 8px;
            border-bottom: 2px solid #2a3346;
            color: #f0c27f;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin: 32px 0 14px;
            color: #c8d0dc;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 24px 0 10px;
            color: #aab5c9;
        }
        p {
            margin: 0 0 18px;
            color: #d0d8e6;
        }
        .content-img {
            width: 100%;
            max-width: 820px;
            border-radius: 18px;
            margin: 28px auto;
            display: block;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
            border: 1px solid #2e374a;
            transition: transform 0.3s;
        }
        .content-img:hover {
            transform: scale(1.01);
        }
        ul,
        ol {
            margin: 0 0 22px 24px;
            color: #c8d0dc;
        }
        li {
            margin-bottom: 8px;
        }
        .highlight {
            background: #1e2636;
            border-left: 4px solid #f0c27f;
            padding: 16px 22px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .highlight strong {
            color: #ffd966;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 28px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #141820;
            border-radius: 14px;
            overflow: hidden;
            border: 1px solid #2a3040;
        }
        th {
            background: #1f2a3a;
            color: #f0c27f;
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
        }
        td {
            padding: 12px 16px;
            border-bottom: 1px solid #202838;
            color: #c8d0dc;
        }
        tr:hover td {
            background: #1a2232;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 36px 0;
        }
        .feedback-card {
            background: #141820;
            border: 1px solid #2a3346;
            border-radius: 18px;
            padding: 24px;
        }
        .feedback-card h3 {
            margin-top: 0;
            color: #f0c27f;
            border-bottom: 1px solid #2a3346;
            padding-bottom: 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: 40px;
            border: 1px solid #3a455e;
            background: #0d0f14;
            color: #e8edf2;
            font-size: 0.95rem;
            transition: border 0.3s;
        }
        .feedback-card textarea {
            border-radius: 18px;
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            outline: none;
            border-color: #7aa9ff;
        }
        .feedback-card button {
            background: #2a5f8a;
            border: none;
            color: #fff;
            padding: 12px 24px;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
            font-size: 1rem;
            align-self: flex-start;
        }
        .feedback-card button:hover {
            background: #3a7bb5;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #555e72;
            cursor: pointer;
        }
        .star-rating i {
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating i:hover,
        .star-rating i.active {
            color: #f7c948;
            transform: scale(1.12);
        }
        footer {
            background: #10141c;
            border-top: 2px solid #1f2a3a;
            padding: 40px 0 24px;
            margin-top: 40px;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 24px;
        }
        friend-link {
            display: block;
            background: #1a1f2a;
            padding: 18px 22px;
            border-radius: 14px;
            border: 1px solid #2a3346;
            font-style: normal;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 14px 4px 0;
            color: #7aa9ff;
        }
        friend-link a:hover {
            color: #ffd966;
        }
        .copyright {
            text-align: center;
            color: #6a7a8e;
            font-size: 0.9rem;
            padding-top: 24px;
            border-top: 1px solid #1f2a3a;
            margin-top: 24px;
        }
        .copyright strong {
            color: #aab5c9;
        }
        .last-update {
            font-size: 0.9rem;
            color: #6a7a8e;
            text-align: right;
            margin: 8px 0 18px;
        }
        .last-update i {
            margin-right: 6px;
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #141820;
                padding: 16px 0 12px;
                border-top: 1px solid #2a3040;
                gap: 6px;
            }
            .nav-menu.open {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.0rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .search-block {
                flex-direction: column;
                align-items: stretch;
            }
            .search-block button {
                align-self: center;
            }
            .footer-inner {
                flex-direction: column;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            h1 {
                font-size: 1.6rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        html {
            scroll-behavior: smooth;
        }
        .btn-top {
            position: fixed;
            bottom: 28px;
            right: 28px;
            background: #2a5f8a;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
            cursor: pointer;
            transition: background 0.25s, transform 0.2s;
            border: none;
            z-index: 999;
        }
        .btn-top:hover {
            background: #3a7bb5;
            transform: translateY(-4px);
        }
        @media (max-width: 600px) {
            .btn-top {
                width: 40px;
                height: 40px;
                font-size: 1.2rem;
                bottom: 16px;
                right: 16px;
            }
        }