* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #0f0f1a;
            color: #e0e0e0;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #ff7a2f;
            text-decoration: none;
            transition: color 0.25s;
        }
        a:hover,
        a:focus {
            color: #ffb347;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(145deg, #1a1a2e, #16213e);
            padding: 16px 0;
            border-bottom: 3px solid #ff6b00;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.7);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #ff6b00;
            letter-spacing: -0.5px;
            text-transform: uppercase;
            background: linear-gradient(135deg, #ff6b00, #ff9500);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: transform 0.3s;
        }
        .my-logo:hover {
            transform: scale(1.03);
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: #aaa;
            color: #aaa;
            display: block;
            font-weight: 400;
            letter-spacing: 1px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #ddd;
            padding: 8px 16px;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.9rem;
            transition: background 0.3s, color 0.3s;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: #ff6b00;
            color: #fff;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid #ff6b00;
            color: #ff6b00;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.3s;
        }
        .hamburger:hover {
            background: #ff6b00;
            color: #fff;
        }
        .breadcrumb {
            background: #1a1a2e;
            padding: 12px 0;
            border-bottom: 1px solid #2a2a4a;
        }
        .breadcrumb ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 4px;
            font-size: 0.85rem;
            color: #aaa;
        }
        .breadcrumb ul li+li::before {
            content: "›";
            margin-right: 6px;
            color: #ff6b00;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #ff7a2f;
        }
        .breadcrumb a:hover {
            color: #ffb347;
        }
        main {
            padding: 40px 0;
        }
        article h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #ff6b00;
            line-height: 1.2;
            margin-bottom: 12px;
            letter-spacing: -1px;
        }
        article .meta {
            color: #999;
            font-size: 0.9rem;
            margin-bottom: 30px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            border-bottom: 1px solid #2a2a4a;
            padding-bottom: 16px;
        }
        article .meta i {
            color: #ff6b00;
            margin-right: 6px;
        }
        article h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #ffb347;
            margin: 50px 0 20px;
            border-left: 5px solid #ff6b00;
            padding-left: 18px;
        }
        article h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #ffcc80;
            margin: 36px 0 14px;
        }
        article h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #ffab40;
            margin: 26px 0 10px;
        }
        article p {
            margin-bottom: 18px;
            color: #d0d0e0;
        }
        article ul,
        article ol {
            margin: 16px 0 20px 28px;
            color: #c8c8d8;
        }
        article li {
            margin-bottom: 8px;
        }
        article .highlight-box {
            background: linear-gradient(135deg, #1e1e3a, #2a1a2e);
            border-left: 6px solid #ff6b00;
            padding: 24px 28px;
            border-radius: 12px;
            margin: 30px 0;
            box-shadow: 0 6px 24px rgba(255, 107, 0, 0.08);
        }
        article .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .feature-img {
            margin: 30px 0;
            border-radius: 16px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
        }
        .search-section {
            background: #1a1a2e;
            border-radius: 16px;
            padding: 30px 32px;
            margin: 50px 0;
            border: 1px solid #2a2a4a;
        }
        .search-section h2 {
            margin-top: 0;
            border-left-color: #ff9500;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 16px;
        }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border-radius: 50px;
            border: 2px solid #333;
            background: #0f0f1a;
            color: #fff;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-form input:focus {
            border-color: #ff6b00;
        }
        .search-form button {
            padding: 14px 36px;
            border: none;
            border-radius: 50px;
            background: #ff6b00;
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-form button:hover {
            background: #e65a00;
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin: 50px 0;
        }
        .feedback-card {
            background: #1a1a2e;
            border-radius: 16px;
            padding: 28px 30px;
            border: 1px solid #2a2a4a;
            transition: border-color 0.3s;
        }
        .feedback-card:hover {
            border-color: #ff6b00;
        }
        .feedback-card h3 {
            margin-top: 0;
            color: #ffb347;
            font-size: 1.4rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 12px;
        }
        .feedback-card input,
        .feedback-card textarea {
            padding: 12px 16px;
            border-radius: 10px;
            border: 2px solid #2a2a4a;
            background: #0f0f1a;
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.3s;
            font-family: inherit;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus {
            border-color: #ff6b00;
        }
        .feedback-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-card button {
            padding: 12px 24px;
            border: none;
            border-radius: 50px;
            background: #ff6b00;
            color: #fff;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            align-self: flex-start;
        }
        .feedback-card button:hover {
            background: #e65a00;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #444;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            transition: color 0.2s, transform 0.2s;
            color: #444;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #ffb347;
            transform: scale(1.1);
        }
        friend-link {
            display: block;
            background: #12121f;
            border-radius: 16px;
            padding: 30px 32px;
            margin: 40px 0 20px;
            border: 1px solid #2a2a4a;
        }
        friend-link h3 {
            color: #ffb347;
            font-size: 1.4rem;
            margin-bottom: 16px;
        }
        friend-link ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
        }
        friend-link li a {
            color: #ff7a2f;
            font-weight: 500;
        }
        friend-link li a:hover {
            color: #ffb347;
        }
        .site-footer {
            background: #0a0a18;
            padding: 30px 0 20px;
            border-top: 2px solid #1a1a2e;
            text-align: center;
            color: #888;
            font-size: 0.9rem;
        }
        .site-footer .copyright {
            margin-top: 12px;
            color: #666;
        }
        .site-footer .copyright i {
            color: #ff6b00;
        }
        @media (max-width: 900px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            article h1 {
                font-size: 2rem;
            }
            article h2 {
                font-size: 1.6rem;
            }
            article h3 {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: inline-block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #1a1a2e;
                padding: 16px 0;
                border-radius: 12px;
                margin-top: 12px;
                border: 1px solid #2a2a4a;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 20px;
                width: 100%;
                text-align: center;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            article h1 {
                font-size: 1.7rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                justify-content: center;
            }
            .breadcrumb ul {
                font-size: 0.75rem;
            }
            .star-rating {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            article h1 {
                font-size: 1.4rem;
            }
            article h2 {
                font-size: 1.3rem;
                padding-left: 12px;
            }
            article h3 {
                font-size: 1.1rem;
            }
            .feedback-card {
                padding: 20px;
            }
            friend-link {
                padding: 20px;
            }
            friend-link ul {
                flex-direction: column;
                gap: 8px;
            }
        }
        .text-accent {
            color: #ff6b00;
        }
        .fw-bold {
            font-weight: 700;
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .list-check {
            list-style: none;
            margin-left: 0 !important;
        }
        .list-check li::before {
            content: "✅ ";
            color: #4caf50;
        }
        .list-star li::before {
            content: "⭐ ";
            color: #ffb347;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }
        .table-wrap table {
            width: 100%;
            border-collapse: collapse;
            background: #1a1a2e;
            border-radius: 12px;
            overflow: hidden;
        }
        .table-wrap th,
        .table-wrap td {
            padding: 12px 18px;
            text-align: left;
            border-bottom: 1px solid #2a2a4a;
        }
        .table-wrap th {
            background: #ff6b00;
            color: #fff;
            font-weight: 700;
        }
        .table-wrap tr:hover td {
            background: #22223a;
        }
        .btn-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #ff6b00;
            color: #fff;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 6px 24px rgba(255, 107, 0, 0.3);
            transition: transform 0.3s, background 0.3s;
            z-index: 999;
            border: none;
            cursor: pointer;
        }
        .btn-top:hover {
            background: #e65a00;
            transform: translateY(-4px);
        }
        @media (max-width: 480px) {
            .btn-top {
                width: 42px;
                height: 42px;
                font-size: 1.1rem;
                bottom: 20px;
                right: 20px;
            }
        }