*,
        *::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, BlinkMacSystemFont, sans-serif;
            background: #f8fafc;
            color: #1e293b;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #1a5f7a;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #0b3b4f;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            color: #0f172a;
            margin-top: 1.2em;
            margin-bottom: 0.5em;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.4em;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #eab308;
            padding-left: 0.8rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
        }
        p {
            margin-bottom: 1rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }
        .site-header {
            background: linear-gradient(135deg, #0b3b4f 0%, #1a5f7a 100%);
            color: #fff;
            padding: 0.8rem 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: 0.5rem 1rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #facc15;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            text-decoration: none;
        }
        .my-logo i {
            font-size: 2rem;
            color: #fff;
        }
        .my-logo span {
            color: #fff;
            font-weight: 300;
        }
        .my-logo:hover {
            color: #fbbf24;
            text-decoration: none;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e2e8f0;
            padding: 0.5rem 0.9rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.18);
            color: #facc15;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 0.3rem;
        }
        .hamburger {
            display: none;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-size: 1.5rem;
            padding: 0.3rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
            line-height: 1;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.12);
        }
        .breadcrumb-wrap {
            background: #e9f0f5;
            padding: 0.5rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d1d9e6;
        }
        .breadcrumb-wrap .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb-wrap a {
            color: #1a5f7a;
        }
        .breadcrumb-wrap span {
            color: #475569;
        }
        .search-section {
            background: #ffffff;
            padding: 1.5rem 0;
            border-bottom: 1px solid #e2e8f0;
        }
        .search-form {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 0.7rem 1rem;
            border: 2px solid #cbd5e1;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .search-form input[type="text"]:focus {
            border-color: #1a5f7a;
        }
        .search-form button {
            background: #1a5f7a;
            color: #fff;
            border: none;
            padding: 0.7rem 1.8rem;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #0b3b4f;
            transform: scale(1.02);
        }
        .hero-img-wrap {
            margin: 1.5rem 0 2rem;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
            background: #d1d9e6;
        }
        .hero-img-wrap img {
            width: 100%;
            min-height: 200px;
            object-fit: cover;
            aspect-ratio: 16/9;
        }
        .content-area {
            background: #fff;
            border-radius: 24px;
            padding: 2rem 2.5rem;
            margin-top: 2rem;
            margin-bottom: 2rem;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.04);
        }
        .content-area p {
            font-size: 1.04rem;
        }
        .content-area ul,
        .content-area ol {
            margin-bottom: 1.2rem;
        }
        .content-area li {
            margin-bottom: 0.3rem;
        }
        .highlight-box {
            background: #f1f9fe;
            border-left: 6px solid #eab308;
            padding: 1.2rem 1.8rem;
            border-radius: 12px;
            margin: 1.5rem 0;
        }
        .highlight-box p {
            margin-bottom: 0.3rem;
        }
        .link-list-inline {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 0.6rem 1.2rem;
            background: #f8fafc;
            padding: 1.2rem 1.8rem;
            border-radius: 16px;
            margin: 1.5rem 0;
            border: 1px solid #e2e8f0;
        }
        .link-list-inline a {
            display: block;
            padding: 0.3rem 0;
            font-weight: 500;
        }
        .link-list-inline a i {
            margin-right: 0.5rem;
            color: #eab308;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2rem 0;
        }
        .feedback-card {
            background: #f8fafc;
            border-radius: 20px;
            padding: 1.5rem 1.8rem;
            border: 1px solid #e2e8f0;
        }
        .feedback-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.3rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .feedback-card input,
        .feedback-card textarea {
            padding: 0.6rem 1rem;
            border: 2px solid #cbd5e1;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: border-color 0.3s;
            width: 100%;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus {
            border-color: #1a5f7a;
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card .star-select {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            color: #d1d5db;
            cursor: pointer;
            flex-wrap: wrap;
        }
        .feedback-card .star-select i {
            transition: color 0.2s, transform 0.1s;
        }
        .feedback-card .star-select i:hover,
        .feedback-card .star-select i.active {
            color: #eab308;
            transform: scale(1.1);
        }
        .feedback-card button {
            background: #1a5f7a;
            color: #fff;
            border: none;
            padding: 0.7rem 1.5rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s;
            align-self: flex-start;
        }
        .feedback-card button:hover {
            background: #0b3b4f;
        }
        .rating-display {
            margin-top: 0.6rem;
            font-weight: 600;
            color: #0f172a;
        }
        .last-updated {
            display: inline-block;
            background: #e9f0f5;
            padding: 0.3rem 1.2rem;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #475569;
            margin-bottom: 1.5rem;
        }
        .last-updated i {
            margin-right: 0.4rem;
        }
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 2.5rem 0 1.2rem;
            margin-top: auto;
        }
        .site-footer .container {
            display: flex;
            flex-direction: column;
            gap: 1.8rem;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 2rem;
        }
        .footer-top h4 {
            color: #facc15;
            margin-top: 0;
            font-size: 1.2rem;
        }
        .footer-top p {
            font-size: 0.95rem;
        }
        friend-link {
            display: block;
        }
        friend-link a {
            color: #93c5fd;
            display: inline-block;
            padding: 0.15rem 0.6rem 0.15rem 0;
        }
        friend-link a:hover {
            color: #facc15;
        }
        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 1.2rem;
            text-align: center;
            font-size: 0.85rem;
            color: #94a3b8;
        }
        .footer-bottom a {
            color: #93c5fd;
        }
        @media (max-width: 900px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr;
            }
            .content-area {
                padding: 1.5rem 1.2rem;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: inline-block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: rgba(11, 59, 79, 0.95);
                border-radius: 16px;
                padding: 0.6rem 0.4rem;
                margin-top: 0.5rem;
                gap: 0.2rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.7rem 1rem;
                border-radius: 10px;
                white-space: normal;
            }
            .header-inner {
                align-items: center;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .link-list-inline {
                grid-template-columns: 1fr;
            }
            .hero-img-wrap img {
                aspect-ratio: 4/3;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo i {
                font-size: 1.5rem;
            }
            .content-area {
                padding: 1rem 0.8rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
                padding-left: 0.5rem;
            }
            .feedback-card {
                padding: 1rem;
            }
        }
        @media print {
            .site-header,
            .breadcrumb-wrap,
            .search-section,
            .feedback-grid,
            .site-footer {
                display: none;
            }
            .content-area {
                box-shadow: none;
                padding: 0;
            }
        }