*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            background: #f8fafc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #0f3b5e;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #d97706;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            margin-top: 0;
            color: #0c1f2e;
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 1.2rem;
            letter-spacing: -0.02em;
            border-bottom: 4px solid #d97706;
            display: inline-block;
            padding-bottom: 0.4rem;
        }
        h2 {
            font-size: 1.8rem;
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            color: #0f3b5e;
            border-left: 6px solid #d97706;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.35rem;
            margin-top: 2rem;
            margin-bottom: 0.7rem;
            color: #1a4a6e;
        }
        h4 {
            font-size: 1.1rem;
            margin-top: 1.4rem;
            margin-bottom: 0.5rem;
            color: #2c5f7e;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .badge {
            display: inline-block;
            background: #d97706;
            color: #fff;
            padding: 0.2rem 1rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .text-muted {
            color: #64748b;
            font-size: 0.9rem;
        }
        .divider {
            height: 2px;
            background: linear-gradient(to right, #d97706, transparent);
            margin: 2.5rem 0;
        }
        .emoji-big {
            font-size: 1.6rem;
            margin-right: 0.4rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0c1f2e 0%, #1a3a4e 100%);
            color: #fff;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fbbf24;
            letter-spacing: -0.03em;
            text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.3);
            transition: transform 0.2s;
            display: inline-block;
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: #fcd34d;
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            color: #94a3b8;
            display: block;
            letter-spacing: 1px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #fbbf24;
            color: #fbbf24;
            font-size: 1.6rem;
            padding: 0.3rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: #fbbf24;
            color: #0c1f2e;
        }
        .main-nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e2e8f0;
            padding: 0.4rem 0.9rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.25s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: #fbbf24;
            color: #0c1f2e;
            text-decoration: none;
        }
        .main-nav a.active {
            background: #d97706;
            color: #fff;
        }
        .breadcrumb {
            background: #f1f5f9;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #94a3b8;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #0f3b5e;
        }
        .breadcrumb .current {
            color: #64748b;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(145deg, #0f3b5e, #1a5a7a);
            color: #fff;
            padding: 3rem 0 2.5rem;
            margin-bottom: 2rem;
            border-radius: 0 0 40px 40px;
        }
        .hero h1 {
            color: #fff;
            border-bottom-color: #fbbf24;
            font-size: 2.6rem;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 750px;
            color: #d1dbe8;
        }
        .hero .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            margin-top: 1rem;
            font-size: 0.9rem;
            color: #b0c4d8;
        }
        .hero .meta i {
            margin-right: 0.3rem;
            color: #fbbf24;
        }
        .search-section {
            margin: 1.8rem 0;
        }
        .search-form {
            display: flex;
            max-width: 560px;
            border-radius: 60px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            border: 1px solid #e2e8f0;
            background: #fff;
        }
        .search-form input {
            flex: 1;
            border: none;
            padding: 0.9rem 1.5rem;
            font-size: 1rem;
            outline: none;
            background: transparent;
            font-family: inherit;
        }
        .search-form button {
            background: #0f3b5e;
            color: #fff;
            border: none;
            padding: 0 1.8rem;
            font-size: 1.1rem;
            cursor: pointer;
            transition: 0.25s;
            font-weight: 600;
        }
        .search-form button:hover {
            background: #d97706;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        .main-content {
            min-width: 0;
        }
        .side-content {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .side-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
            margin-bottom: 1.8rem;
            border: 1px solid #eef2f6;
        }
        .side-card h3 {
            font-size: 1.1rem;
            margin-top: 0;
            border-bottom: 2px solid #d97706;
            padding-bottom: 0.4rem;
            margin-bottom: 1rem;
        }
        .side-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .side-card li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f1f5f9;
        }
        .side-card li:last-child {
            border-bottom: none;
        }
        .side-card a {
            font-weight: 500;
            display: block;
            padding: 0.2rem 0;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
            background: #e2e8f0;
            position: relative;
        }
        .featured-image img {
            width: 100%;
            object-fit: cover;
            min-height: 280px;
            background: #1a4a6e;
        }
        .featured-image .img-caption {
            background: rgba(12, 31, 46, 0.85);
            color: #f1f5f9;
            padding: 0.7rem 1.2rem;
            font-size: 0.85rem;
            font-style: italic;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.5rem 0;
        }
        .feedback-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.8rem;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
            border: 1px solid #eef2f6;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.9rem;
            margin-top: 1rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 0.7rem 1rem;
            border: 1px solid #d1d5db;
            border-radius: 10px;
            font-family: inherit;
            font-size: 0.95rem;
            transition: border 0.2s;
            background: #f9fafb;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #d97706;
            outline: none;
            background: #fff;
        }
        .feedback-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-card .btn {
            background: #0f3b5e;
            color: #fff;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.25s;
            font-size: 1rem;
            align-self: flex-start;
        }
        .feedback-card .btn:hover {
            background: #d97706;
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.3rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #d1d5db;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f59e0b;
        }
        friend-link {
            display: block;
            background: #f1f5f9;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            border: 1px solid #e2e8f0;
        }
        friend-link .fl-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: #0c1f2e;
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        friend-link .fl-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.8rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        friend-link .fl-list a {
            color: #0f3b5e;
            font-weight: 500;
            padding: 0.2rem 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        friend-link .fl-list a:hover {
            border-bottom-color: #d97706;
            text-decoration: none;
        }
        .site-footer {
            background: #0c1f2e;
            color: #cbd5e1;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
            border-radius: 40px 40px 0 0;
        }
        .site-footer .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .site-footer .copy {
            font-size: 0.9rem;
        }
        .site-footer .copy a {
            color: #fbbf24;
        }
        .site-footer .copy a:hover {
            color: #fcd34d;
        }
        @media (max-width: 900px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .side-content {
                position: static;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .hero h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0f2a3a;
                padding: 1rem;
                border-radius: 12px;
                margin-top: 0.5rem;
                gap: 0.3rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1rem;
                border-radius: 8px;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .hero {
                padding: 2rem 0 1.5rem;
            }
            .search-form {
                flex-direction: column;
                border-radius: 20px;
            }
            .search-form input {
                padding: 0.8rem 1.2rem;
            }
            .search-form button {
                padding: 0.7rem;
            }
            .featured-image img {
                min-height: 180px;
            }
            friend-link .fl-list {
                flex-direction: column;
                gap: 0.4rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.9rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.25rem;
                padding-left: 0.7rem;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .feedback-card {
                padding: 1.2rem;
            }
        }
        @media print {
            .site-header,
            .breadcrumb,
            .search-section,
            .side-content,
            .feedback-grid,
            friend-link,
            .site-footer {
                display: none !important;
            }
            .content-wrapper {
                display: block;
            }
            body {
                background: #fff;
                color: #000;
            }
            .hero {
                background: #fff !important;
                color: #000 !important;
                padding: 0;
            }
            .hero h1 {
                color: #000 !important;
                border-bottom-color: #000;
            }
        }