* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #f7f5f0;
            color: #1e2a3a;
            line-height: 1.7;
            font-size: 1.05rem;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #c9782b;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: #9e5d1a;
            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, #1a2a3a 0%, #0f1a26 100%);
            color: #f5ede4;
            padding: 12px 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 2.1rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: #f5c842;
            text-shadow: 2px 2px 0 #a5661e;
            transition: transform 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            font-size: 2rem;
            color: #f5ede4;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-list li a {
            color: #e8ddd0;
            padding: 8px 16px;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: background 0.25s, color 0.25s;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list li a:hover,
        .nav-list li a.active {
            background: #c9782b;
            color: #fff;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid #f5ede4;
            color: #f5ede4;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .hamburger:hover {
            background: #c9782b;
            border-color: #c9782b;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: #efe9df;
            padding: 10px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d6cdbc;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 10px;
            padding: 0 20px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #a08870;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #7a623f;
        }
        .breadcrumb .current {
            color: #1e2a3a;
            font-weight: 600;
        }
        main {
            flex: 1;
            padding: 40px 0 60px;
        }
        .page-title {
            text-align: center;
            margin-bottom: 40px;
        }
        .page-title h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #1a2a3a;
            letter-spacing: -0.5px;
            line-height: 1.2;
        }
        .page-title h1 span {
            color: #c9782b;
        }
        .page-title .subhead {
            font-size: 1.2rem;
            color: #5a4a38;
            margin-top: 10px;
            font-weight: 400;
        }
        .last-updated {
            display: inline-block;
            margin-top: 14px;
            background: #e8ddd0;
            padding: 6px 20px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #4a3f32;
        }
        .last-updated i {
            margin-right: 6px;
            color: #c9782b;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }
        .content-main {
            background: #fff;
            border-radius: 24px;
            padding: 36px 40px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
        }
        .content-main h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #0f1a26;
            margin: 48px 0 18px;
            border-left: 6px solid #c9782b;
            padding-left: 18px;
        }
        .content-main h2:first-of-type {
            margin-top: 0;
        }
        .content-main h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #1e2a3a;
            margin: 36px 0 14px;
        }
        .content-main h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #2d3f4f;
            margin: 28px 0 10px;
        }
        .content-main p {
            margin-bottom: 1.2rem;
            color: #2c3a48;
        }
        .content-main ul,
        .content-main ol {
            margin: 0 0 1.4rem 1.6rem;
            color: #2c3a48;
        }
        .content-main li {
            margin-bottom: 8px;
        }
        .content-main .highlight-box {
            background: #f5f0e8;
            border-radius: 16px;
            padding: 24px 28px;
            margin: 28px 0;
            border-left: 5px solid #c9782b;
        }
        .content-main .emoji-lg {
            font-size: 1.4rem;
            margin-right: 6px;
        }
        .featured-figure {
            margin: 30px 0 32px;
            border-radius: 16px;
            overflow: hidden;
            background: #efe9df;
            text-align: center;
        }
        .featured-figure img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .featured-figure figcaption {
            padding: 12px 18px;
            font-size: 0.9rem;
            color: #5a4a38;
            background: #e8ddd0;
            font-style: italic;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 20px;
            padding: 24px 22px;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.06);
        }
        .sidebar-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #0f1a26;
            margin-bottom: 16px;
            border-bottom: 3px solid #f0e4d6;
            padding-bottom: 10px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card li {
            margin-bottom: 12px;
        }
        .sidebar-card li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 12px;
            border-radius: 10px;
            background: #f8f4ee;
            transition: background 0.2s;
            font-weight: 500;
        }
        .sidebar-card li a:hover {
            background: #c9782b20;
            text-decoration: none;
        }
        .sidebar-card li a i {
            color: #c9782b;
            width: 20px;
            text-align: center;
        }
        .interactive-section {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
            margin: 50px 0 30px;
        }
        .interactive-card {
            background: #fff;
            border-radius: 20px;
            padding: 24px 22px 28px;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.06);
            border: 1px solid #e8ddd0;
        }
        .interactive-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: #0f1a26;
        }
        .interactive-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .interactive-card input,
        .interactive-card textarea,
        .interactive-card select {
            padding: 12px 16px;
            border: 2px solid #ddd2c2;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            background: #fcfaf7;
            transition: border 0.25s;
        }
        .interactive-card input:focus,
        .interactive-card textarea:focus,
        .interactive-card select:focus {
            outline: none;
            border-color: #c9782b;
            background: #fff;
        }
        .interactive-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .interactive-card .btn {
            background: #c9782b;
            color: #fff;
            border: none;
            padding: 12px 24px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .interactive-card .btn:hover {
            background: #9e5d1a;
            transform: translateY(-2px);
        }
        .interactive-card .btn i {
            font-size: 1.1rem;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #ddd2c2;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b342;
        }
        friend-link {
            display: block;
            background: #1a2a3a;
            color: #e8ddd0;
            padding: 40px 20px 30px;
            margin-top: 20px;
        }
        friend-link .container {
            max-width: 1200px;
            margin: 0 auto;
        }
        friend-link h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #f5c842;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        friend-link .friend-links-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            list-style: none;
            padding: 0;
        }
        friend-link .friend-links-list li a {
            color: #d4c8b8;
            font-weight: 500;
            padding: 4px 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        friend-link .friend-links-list li a:hover {
            color: #f5c842;
            border-bottom-color: #f5c842;
            text-decoration: none;
        }
        .site-footer {
            background: #0a121c;
            color: #b0a898;
            padding: 24px 0;
            font-size: 0.9rem;
            border-top: 2px solid #1e2a3a;
        }
        .site-footer .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .site-footer .copyright {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .site-footer .copyright i {
            color: #c9782b;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .interactive-section {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0f1a26;
                padding: 16px 0 20px;
                border-radius: 0 0 20px 20px;
                gap: 2px;
            }
            .nav-list li a {
                padding: 12px 20px;
                border-radius: 0;
                border-bottom: 1px solid #1e2a3a20;
            }
            .hamburger {
                display: block;
            }
            #nav-toggle:checked~.nav-list {
                display: flex;
            }
            #nav-toggle:checked~.hamburger .fa-bars::before {
                content: "\f00d";
            }
            .page-title h1 {
                font-size: 2rem;
            }
            .content-main {
                padding: 24px 18px;
            }
            .interactive-section {
                grid-template-columns: 1fr;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .content-main h2 {
                font-size: 1.6rem;
            }
            .content-main h3 {
                font-size: 1.3rem;
            }
            .featured-figure img {
                max-height: 260px;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.5rem;
            }
            .page-title h1 {
                font-size: 1.6rem;
            }
            .content-main {
                padding: 16px 12px;
            }
            .breadcrumb ol {
                padding: 0 12px;
                font-size: 0.8rem;
            }
            .container {
                padding: 0 12px;
            }
        }
        .mt-2 {
            margin-top: 20px;
        }
        .mb-2 {
            margin-bottom: 20px;
        }
        .text-center {
            text-align: center;
        }
        .fw-bold {
            font-weight: 700;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }