*,
        *::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, 'Helvetica Neue', Arial, sans-serif;
            background: #0b0e14;
            color: #e8edf3;
            line-height: 1.7;
            padding: 0;
            margin: 0;
            min-height: 100vh;
        }
        a {
            color: #7ec8e3;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #b5e4f7;
            outline: 2px solid rgba(126, 200, 227, 0.3);
            outline-offset: 2px;
            border-radius: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 0.75rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #f0f6fc;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
            letter-spacing: 0.01em;
        }
        h1 {
            font-size: 2.4rem;
            border-bottom: 3px solid #3a6a8b;
            padding-bottom: 0.5rem;
            margin-top: 0.2rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #4f8cb0;
            padding-left: 0.9rem;
            margin-top: 2.4rem;
        }
        h3 {
            font-size: 1.35rem;
            margin-top: 1.8rem;
            color: #d4e6f2;
        }
        h4 {
            font-size: 1.1rem;
            margin-top: 1.4rem;
            color: #b8d0df;
            font-weight: 600;
        }
        p {
            margin: 0.9rem 0;
            font-size: 1.025rem;
            color: #dce3ec;
        }
        strong {
            color: #f5f9ff;
            font-weight: 700;
        }
        em {
            color: #cbdae8;
            font-style: italic;
        }
        .wrapper {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .section-card {
            background: #141a24;
            border-radius: 14px;
            padding: 2rem 2.2rem;
            margin: 2.2rem 0;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
            border: 1px solid #28303e;
            transition: box-shadow 0.3s ease;
        }
        .section-card:hover {
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.7);
        }
        .site-header {
            background: #0f141e;
            border-bottom: 2px solid #26303e;
            padding: 0.7rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(8px);
            background: rgba(11, 14, 20, 0.96);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            max-width: 1220px;
            margin: 0 auto;
            padding: 0 1.2rem;
            gap: 0.6rem;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            color: #e0edf7;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #7ec8e3, #4a8db0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: transform 0.2s ease;
            display: inline-block;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .my-logo small {
            font-size: 0.65rem;
            font-weight: 400;
            -webkit-text-fill-color: #8899aa;
            color: #8899aa;
            display: block;
            letter-spacing: 0.08em;
        }
        .nav-list {
            list-style: none;
            display: flex;
            gap: 0.3rem;
            flex-wrap: wrap;
            align-items: center;
            padding: 0;
            margin: 0;
        }
        .nav-list li a {
            display: inline-block;
            padding: 0.5rem 1rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: #bfd3e3;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
        }
        .nav-list li a:hover {
            background: #1e2a3a;
            color: #fff;
        }
        .nav-list li a i {
            margin-right: 0.35rem;
            font-size: 0.85rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.7rem;
            color: #d4e2f0;
            cursor: pointer;
            padding: 0.3rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #1f2a38;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.8rem 0 0.3rem 0;
            margin: 0 0 0.2rem 0;
            font-size: 0.85rem;
            color: #8a9faf;
            gap: 0.4rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #4f6a7e;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #8aafc7;
        }
        .breadcrumb a:hover {
            color: #c5e2f5;
        }
        .breadcrumb .current {
            color: #d0e2ef;
            font-weight: 500;
        }
        .btn {
            display: inline-block;
            background: #1f3243;
            color: #e8f0f8;
            padding: 0.6rem 1.5rem;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .btn:hover {
            background: #2c4a62;
            transform: translateY(-1px);
        }
        .btn-primary {
            background: #3a6a8b;
            color: #fff;
        }
        .btn-primary:hover {
            background: #4f84ab;
        }
        input[type="text"],
        input[type="search"],
        textarea {
            background: #1a222f;
            border: 1px solid #2f3d50;
            color: #e8edf3;
            padding: 0.65rem 1rem;
            border-radius: 8px;
            font-size: 1rem;
            width: 100%;
            transition: border 0.25s, box-shadow 0.25s;
        }
        input[type="text"]:focus,
        input[type="search"]:focus,
        textarea:focus {
            border-color: #4f8cb0;
            outline: none;
            box-shadow: 0 0 0 3px rgba(79, 140, 176, 0.25);
        }
        textarea {
            min-height: 100px;
            resize: vertical;
            font-family: inherit;
        }
        .form-group {
            margin: 1rem 0;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: #c6d7e8;
            font-size: 0.95rem;
        }
        .search-form {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .search-form input {
            flex: 1 1 200px;
            min-width: 150px;
        }
        .search-form button {
            flex: 0 0 auto;
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 1.8rem;
            color: #3d5a72;
            cursor: pointer;
            direction: rtl;
            justify-content: flex-end;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            transition: color 0.2s, transform 0.15s;
            color: #3d5a72;
            cursor: pointer;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f0c060;
        }
        .star-rating label:hover {
            transform: scale(1.15);
        }
        .rating-display {
            font-size: 1.1rem;
            color: #f0c060;
            font-weight: 600;
        }
        .comment-item {
            background: #1a222f;
            border-radius: 10px;
            padding: 1rem 1.4rem;
            margin: 1rem 0;
            border-left: 4px solid #3a6a8b;
        }
        .comment-item .meta {
            font-size: 0.85rem;
            color: #8a9faf;
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .comment-item .meta strong {
            color: #bfd7e8;
        }
        friend-link {
            display: block;
            padding: 1.5rem 0;
            border-top: 1px solid #26303e;
            margin-top: 2rem;
        }
        friend-link ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.8rem;
            padding: 0;
            margin: 0.6rem 0 0 0;
        }
        friend-link ul li a {
            color: #8aafc7;
            font-size: 0.95rem;
            border-bottom: 1px dotted transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        friend-link ul li a:hover {
            border-bottom-color: #7ec8e3;
            color: #cce5f5;
        }
        .site-footer {
            background: #0a0e16;
            border-top: 2px solid #1f2a36;
            padding: 2rem 1.2rem;
            text-align: center;
            font-size: 0.9rem;
            color: #7a8fa0;
            margin-top: 2.5rem;
        }
        .site-footer .copyright {
            letter-spacing: 0.03em;
        }
        .img-placeholder {
            background: linear-gradient(145deg, #1a2533, #0f1722);
            border-radius: 12px;
            padding: 1.2rem;
            text-align: center;
            border: 1px solid #2f4055;
            margin: 1.6rem 0;
        }
        .img-placeholder img {
            border-radius: 8px;
            width: 100%;
            max-width: 800px;
            margin: 0 auto;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
        }
        .img-placeholder .caption {
            margin-top: 0.7rem;
            font-size: 0.9rem;
            color: #99aebb;
            font-style: italic;
        }
        @media (max-width: 820px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: inline-block;
            }
            .nav-wrap {
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.4s ease, opacity 0.3s ease;
                opacity: 0;
            }
            #nav-toggle:checked~.nav-wrap {
                max-height: 600px;
                opacity: 1;
            }
            .nav-list {
                flex-direction: column;
                width: 100%;
                padding: 0.8rem 0 0.4rem 0;
                gap: 0.1rem;
            }
            .nav-list li a {
                display: block;
                padding: 0.7rem 1rem;
                border-radius: 6px;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .section-card {
                padding: 1.4rem 1.2rem;
            }
            .wrapper {
                padding: 0 0.8rem;
            }
            .star-rating {
                font-size: 1.5rem;
                justify-content: center;
            }
        }
        @media (max-width: 480px) {
            html {
                font-size: 15px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.3rem;
                padding-left: 0.6rem;
            }
            .section-card {
                padding: 1rem 0.9rem;
            }
            .search-form {
                flex-direction: column;
                align-items: stretch;
            }
            .search-form input {
                flex: 1 1 auto;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
        }
        .tag {
            display: inline-block;
            background: #1e2f40;
            color: #b5d0e5;
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
        }
        .divider {
            border: none;
            height: 1px;
            background: linear-gradient(90deg, transparent, #2f4055, transparent);
            margin: 2rem 0;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
        }
        @media (max-width: 660px) {
            .grid-2 {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
        }
        .stat-highlight {
            background: #101a26;
            border-radius: 10px;
            padding: 1.2rem 1.6rem;
            border-left: 6px solid #4f8cb0;
            margin: 1.2rem 0;
        }
        .stat-highlight .number {
            font-size: 2.2rem;
            font-weight: 800;
            color: #7ec8e3;
            display: block;
        }
        .emoji-big {
            font-size: 1.6rem;
            margin-right: 0.4rem;
        }