*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, Arial, sans-serif;
            background: #f5f3f0;
            color: #1e1e1e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #c44536;
            text-decoration: underline;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #8a2e22;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(145deg, #2b3a4a 0%, #1d2a36 100%);
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            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: 10px 20px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #f7d44a;
            text-decoration: none;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
            transition: transform 0.25s ease;
            display: inline-block;
        }
        .my-logo:hover {
            transform: scale(1.03);
            color: #ffe270;
        }
        .my-logo span {
            color: #f9f6f0;
            font-weight: 300;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 2rem;
            color: #f9f6f0;
            cursor: pointer;
            padding: 4px 12px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            gap: 6px 18px;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e8e2d8;
            text-decoration: none;
            font-weight: 500;
            font-size: 0.98rem;
            padding: 6px 8px;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(247, 212, 74, 0.18);
            color: #f7d44a;
        }
        .main-nav a.active {
            color: #f7d44a;
            border-bottom: 2px solid #f7d44a;
        }
        .breadcrumb {
            background: #ece8e0;
            padding: 10px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d9d2c8;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            padding: 0 20px;
            max-width: 1120px;
            margin: 0 auto;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 12px;
            color: #7a6b5c;
        }
        .breadcrumb a {
            color: #5a4a3a;
            text-decoration: underline;
        }
        .breadcrumb a:hover {
            color: #c44536;
        }
        .breadcrumb .current {
            color: #2b3a4a;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #f7d44a10 0%, #c4453608 100%);
            padding: 40px 0 30px;
            border-bottom: 2px solid #e8e0d6;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #1d2a36;
            line-height: 1.2;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .hero h1 .highlight {
            color: #c44536;
        }
        .hero .subtitle {
            font-size: 1.2rem;
            color: #4a3f35;
            max-width: 780px;
            border-left: 4px solid #f7d44a;
            padding-left: 20px;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 28px;
            margin-top: 20px;
            font-size: 0.95rem;
            color: #5a4a3a;
        }
        .hero-meta .updated {
            font-weight: 600;
            background: #f7d44a30;
            padding: 2px 14px;
            border-radius: 20px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #ffffffdd;
            backdrop-filter: blur(4px);
            border-radius: 16px;
            padding: 24px 20px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
            border: 1px solid #e8e0d6;
            margin-bottom: 28px;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-bottom: 14px;
            border-bottom: 2px solid #f7d44a;
            padding-bottom: 8px;
            color: #1d2a36;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card li {
            padding: 6px 0;
            border-bottom: 1px solid #f0ebe3;
        }
        .sidebar-card li a {
            text-decoration: none;
            font-weight: 500;
        }
        .sidebar-card li a:hover {
            text-decoration: underline;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #1d2a36;
            margin-top: 48px;
            margin-bottom: 18px;
            border-bottom: 3px solid #f7d44a;
            padding-bottom: 8px;
        }
        h2:first-of-type {
            margin-top: 0;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #2b3a4a;
            margin-top: 32px;
            margin-bottom: 12px;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #3a4a5a;
            margin-top: 24px;
            margin-bottom: 8px;
        }
        p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: #2a2a2a;
        }
        p.lead {
            font-size: 1.25rem;
            font-weight: 400;
            color: #1d2a36;
            background: #f9f6f0;
            padding: 18px 24px;
            border-radius: 12px;
            border-left: 6px solid #f7d44a;
        }
        .highlight-box {
            background: #f0ebe3;
            padding: 20px 24px;
            border-radius: 12px;
            border-left: 6px solid #c44536;
            margin: 24px 0;
        }
        .highlight-box strong {
            color: #c44536;
        }
        .star-list {
            list-style: none;
            padding: 0;
            margin: 16px 0 24px;
        }
        .star-list li {
            padding: 8px 0 8px 32px;
            position: relative;
            font-size: 1.05rem;
        }
        .star-list li::before {
            content: "⭐";
            position: absolute;
            left: 0;
            top: 8px;
        }
        .step-list {
            counter-reset: step-counter;
            list-style: none;
            padding: 0;
            margin: 16px 0 24px;
        }
        .step-list li {
            counter-increment: step-counter;
            padding: 10px 0 10px 44px;
            position: relative;
            font-size: 1.05rem;
            border-bottom: 1px solid #ece8e0;
        }
        .step-list li::before {
            content: counter(step-counter);
            background: #f7d44a;
            color: #1d2a36;
            font-weight: 700;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            position: absolute;
            left: 0;
            top: 10px;
            font-size: 0.9rem;
        }
        .image-wrapper {
            margin: 28px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            background: #e8e2d8;
        }
        .image-wrapper img {
            width: 100%;
            height: auto;
            display: block;
        }
        .image-wrapper figcaption {
            padding: 12px 20px;
            font-size: 0.9rem;
            color: #5a4a3a;
            background: #f9f6f0;
            font-style: italic;
            text-align: center;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 0.98rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
        }
        .data-table th {
            background: #2b3a4a;
            color: #f9f6f0;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 10px 16px;
            border-bottom: 1px solid #ece8e0;
            background: #ffffff;
        }
        .data-table tr:last-child td {
            border-bottom: none;
        }
        .data-table tr:hover td {
            background: #f7f4ee;
        }
        .interactive-module {
            background: #ffffff;
            border-radius: 20px;
            padding: 32px 30px;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.06);
            margin: 40px 0;
            border: 1px solid #e8e0d6;
        }
        .interactive-module h2 {
            margin-top: 0;
            border-bottom-color: #c44536;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 4px;
            color: #2b3a4a;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #d9d2c8;
            border-radius: 10px;
            font-size: 1rem;
            background: #f9f6f0;
            transition: border-color 0.25s, box-shadow 0.25s;
            font-family: inherit;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #c44536;
            box-shadow: 0 0 0 4px #c4453618;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #c44536;
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 50px;
            font-size: 1.05rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn:hover {
            background: #8a2e22;
            transform: translateY(-2px);
        }
        .btn:active {
            transform: scale(0.97);
        }
        .btn-secondary {
            background: #2b3a4a;
        }
        .btn-secondary:hover {
            background: #1d2a36;
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 2rem;
            cursor: pointer;
            direction: rtl;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            color: #d9d2c8;
            transition: color 0.2s, transform 0.15s;
            cursor: pointer;
        }
        .rating-stars label:hover,
        .rating-stars label:hover~label,
        .rating-stars input:checked~label {
            color: #f7b731;
            transform: scale(1.1);
        }
        .rating-stars label:hover {
            transform: scale(1.2);
        }
        .score-display {
            font-size: 1.2rem;
            font-weight: 600;
            color: #2b3a4a;
            margin-top: 8px;
        }
        .sidebar .link-group {
            margin-bottom: 18px;
        }
        .sidebar .link-group a {
            display: block;
            padding: 6px 0;
            font-size: 0.95rem;
        }
        .site-footer {
            background: #1d2a36;
            color: #d9d2c8;
            padding: 40px 0 24px;
            margin-top: 40px;
        }
        .site-footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
        }
        .site-footer h4 {
            color: #f7d44a;
            margin-top: 0;
            margin-bottom: 12px;
            font-size: 1.1rem;
        }
        .site-footer a {
            color: #e8e2d8;
            text-decoration: underline;
        }
        .site-footer a:hover {
            color: #f7d44a;
        }
        .site-footer .copyright {
            grid-column: 1 / -1;
            border-top: 1px solid #3a4a5a;
            padding-top: 20px;
            margin-top: 20px;
            font-size: 0.9rem;
            text-align: center;
            color: #a89a8a;
        }
        friend-link {
            display: block;
            padding: 12px 0;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 16px 4px 0;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .site-footer .container {
                grid-template-columns: 1fr 1fr;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 700px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 12px 0 6px;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 10px 12px;
                border-radius: 6px;
            }
            .main-nav a:hover {
                background: rgba(247, 212, 74, 0.12);
            }
            .site-footer .container {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero .subtitle {
                font-size: 1rem;
                padding-left: 14px;
            }
            .container {
                padding: 0 14px;
            }
            .interactive-module {
                padding: 20px 16px;
            }
            .data-table {
                font-size: 0.85rem;
            }
            .data-table th,
            .data-table td {
                padding: 8px 10px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .breadcrumb ol {
                padding: 0 14px;
                font-size: 0.8rem;
            }
            .rating-stars {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.5rem;
            }
            p {
                font-size: 0.98rem;
            }
            .step-list li {
                padding-left: 38px;
                font-size: 0.98rem;
            }
            .step-list li::before {
                width: 26px;
                height: 26px;
                font-size: 0.8rem;
                top: 10px;
            }
            .btn {
                padding: 10px 24px;
                font-size: 0.95rem;
            }
        }
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex {
            display: flex;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .items-center {
            align-items: center;
        }
        .justify-between {
            justify-content: space-between;
        }