*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: #faf8f5;
            color: #1e1e1e;
            line-height: 1.75;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(145deg, #0b1a2e, #1a2f44);
            color: #f5e9d8;
            padding: 16px 0;
            border-bottom: 4px solid #e6b422;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            text-decoration: none;
            color: #f5e9d8;
            background: linear-gradient(135deg, #e6b422, #f7d875);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .my-logo i {
            -webkit-text-fill-color: #e6b422;
            margin-right: 6px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #e6b422;
            color: #e6b422;
            font-size: 1.6rem;
            padding: 4px 14px;
            border-radius: 6px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: #e6b422;
            color: #0b1a2e;
        }
        .nav-menu {
            display: flex;
            gap: 8px 16px;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-menu a {
            color: #f5e9d8;
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 12px;
            border-radius: 30px;
            transition: background 0.25s, color 0.25s;
        }
        .nav-menu a:hover {
            background: #e6b422;
            color: #0b1a2e;
        }
        .nav-menu a i {
            margin-right: 6px;
        }
        .breadcrumb {
            background: #f1ede6;
            padding: 10px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #ddd6cb;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 12px;
            color: #b09a7f;
        }
        .breadcrumb a {
            color: #2c5f7a;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .current {
            color: #6d5a44;
            font-weight: 600;
        }
        main {
            flex: 1;
            padding: 30px 0 50px;
        }
        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            color: #0b1a2e;
            margin-bottom: 0.5rem;
            letter-spacing: -0.02em;
        }
        h1 i {
            color: #e6b422;
        }
        h2 {
            font-size: 2.0rem;
            font-weight: 700;
            color: #1a2f44;
            margin: 2.4rem 0 1rem;
            border-left: 6px solid #e6b422;
            padding-left: 18px;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #1e3b4f;
            margin: 1.8rem 0 0.8rem;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #2c4a5e;
            margin: 1.2rem 0 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .last-updated {
            font-size: 0.9rem;
            color: #7a6b5a;
            border-bottom: 1px dashed #d5cdc0;
            padding-bottom: 8px;
            margin-bottom: 1.8rem;
        }
        .content-card {
            background: #ffffff;
            border-radius: 20px;
            padding: 30px 32px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            margin-bottom: 32px;
        }
        .feature-img {
            width: 100%;
            max-width: 820px;
            height: auto;
            border-radius: 16px;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
            margin: 24px 0 20px;
            display: block;
        }
        .link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 18px;
            list-style: none;
            padding: 12px 0 8px;
        }
        .link-list li a {
            color: #2c5f7a;
            text-decoration: none;
            font-weight: 500;
            border-bottom: 1px dotted #c2b5a4;
            transition: 0.2s;
        }
        .link-list li a:hover {
            color: #e6b422;
            border-bottom-color: #e6b422;
        }
        .link-list li a i {
            font-size: 0.8rem;
            margin-right: 4px;
            color: #e6b422;
        }
        .search-box {
            display: flex;
            gap: 10px;
            max-width: 600px;
            margin: 18px 0 24px;
            flex-wrap: wrap;
        }
        .search-box input {
            flex: 1;
            min-width: 180px;
            padding: 14px 18px;
            border: 2px solid #d5cdc0;
            border-radius: 40px;
            font-size: 1rem;
            background: #fff;
            transition: 0.25s;
        }
        .search-box input:focus {
            border-color: #e6b422;
            outline: none;
            box-shadow: 0 0 0 4px rgba(230, 180, 34, 0.15);
        }
        .search-box button {
            padding: 14px 32px;
            border: none;
            border-radius: 40px;
            background: #1a2f44;
            color: #f5e9d8;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.25s;
        }
        .search-box button:hover {
            background: #e6b422;
            color: #0b1a2e;
        }
        .interact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            margin: 32px 0;
        }
        @media (max-width: 700px) {
            .interact-grid {
                grid-template-columns: 1fr;
            }
        }
        .interact-card {
            background: #f9f6f0;
            border-radius: 18px;
            padding: 24px 28px;
            border: 1px solid #e4dbd0;
        }
        .interact-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
        }
        .interact-card form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 12px;
        }
        .interact-card input,
        .interact-card textarea,
        .interact-card select {
            padding: 12px 16px;
            border: 2px solid #d5cdc0;
            border-radius: 12px;
            font-size: 0.95rem;
            background: #fff;
            transition: 0.2s;
        }
        .interact-card input:focus,
        .interact-card textarea:focus,
        .interact-card select:focus {
            border-color: #e6b422;
            outline: none;
        }
        .interact-card textarea {
            resize: vertical;
            min-height: 90px;
        }
        .interact-card button {
            padding: 12px 20px;
            border: none;
            border-radius: 40px;
            background: #1a2f44;
            color: #f5e9d8;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.25s;
            align-self: flex-start;
        }
        .interact-card button:hover {
            background: #e6b422;
            color: #0b1a2e;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #d5cdc0;
            cursor: pointer;
        }
        .star-rating i.active {
            color: #e6b422;
        }
        .star-rating i:hover,
        .star-rating i:hover~i {
            color: #e6b422;
        }
        .site-footer {
            background: #0b1a2e;
            color: #cfc3b3;
            padding: 40px 0 24px;
            border-top: 4px solid #e6b422;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 32px;
        }
        .footer-col {
            flex: 1 1 200px;
        }
        .footer-col h4 {
            color: #f5e9d8;
            margin-bottom: 12px;
            font-size: 1.1rem;
            border-left: 3px solid #e6b422;
            padding-left: 12px;
        }
        .footer-col a {
            color: #cfc3b3;
            text-decoration: none;
            display: block;
            padding: 3px 0;
            transition: 0.2s;
        }
        .footer-col a:hover {
            color: #e6b422;
        }
        friend-link {
            display: block;
            margin-top: 12px;
            font-style: normal;
        }
        friend-link a {
            display: inline-block;
            margin-right: 16px;
        }
        .copyright {
            text-align: center;
            border-top: 1px solid #2a4055;
            padding-top: 20px;
            margin-top: 28px;
            font-size: 0.85rem;
            color: #9b8e7c;
        }
        @media (max-width: 780px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0f2235;
                padding: 18px 0 12px;
                border-radius: 0 0 16px 16px;
                margin-top: 12px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 10px 20px;
            }
            h1 {
                font-size: 2.0rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .content-card {
                padding: 20px 16px;
            }
            .feature-img {
                max-width: 100%;
            }
        }
        @media (max-width: 480px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .search-box button {
                padding: 12px 18px;
                font-size: 0.9rem;
            }
        }
        .text-highlight {
            background: linear-gradient(120deg, #f7e9c3 0%, #f7e9c3 60%, transparent 80%);
            padding: 0 8px;
            font-weight: 600;
        }
        .badge {
            display: inline-block;
            background: #e6b422;
            color: #0b1a2e;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 2px 14px;
            border-radius: 30px;
            letter-spacing: 0.3px;
        }
        .divider {
            width: 60px;
            height: 4px;
            background: #e6b422;
            border-radius: 4px;
            margin: 8px 0 20px;
        }
        .emoji-lg {
            font-size: 1.4rem;
        }