*,
        *::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, sans-serif;
            background: #f8f9fc;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0 0 0 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #1a5276;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #e67e22;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #0b2545;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        h1 {
            font-size: 2.2rem;
            border-bottom: 4px solid #e67e22;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 1.7rem;
            border-left: 5px solid #e67e22;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.35rem;
            color: #1a3a5c;
        }
        h4 {
            font-size: 1.1rem;
            color: #2c3e50;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0b2545 0%, #1a3a5c 100%);
            color: #fff;
            padding: 0.6rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #f7c948;
            letter-spacing: 1px;
            text-transform: uppercase;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            font-size: 1.4rem;
            color: #e67e22;
        }
        .my-logo:hover {
            color: #ffd966;
            text-decoration: none;
        }
        .my-logo span {
            font-size: 0.9rem;
            font-weight: 300;
            color: #b0c4de;
            display: block;
            letter-spacing: 2px;
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 0.2rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 0.2rem;
            padding: 0;
            margin: 0;
        }
        .nav-list li a {
            color: #eef2f7;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            font-size: 0.95rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list li a:hover {
            background: rgba(230, 126, 34, 0.2);
            color: #f7c948;
            text-decoration: none;
        }
        .nav-list li a i {
            font-size: 0.9rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: #ecf0f5;
            padding: 0.7rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #dce1e8;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
            gap: 0.3rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 0.5rem;
            color: #888;
        }
        .breadcrumb a {
            color: #1a5276;
        }
        .breadcrumb .current {
            color: #555;
            font-weight: 600;
        }
        .hero-section {
            background: linear-gradient(145deg, #0b2545 0%, #1f4a6e 100%);
            color: #fff;
            padding: 3rem 0 2.5rem;
            margin-bottom: 2rem;
            border-radius: 0 0 40px 40px;
        }
        .hero-section h1 {
            color: #f7c948;
            border: none;
            font-size: 2.6rem;
            margin-top: 0;
            padding-bottom: 0;
        }
        .hero-section p {
            font-size: 1.15rem;
            max-width: 800px;
            opacity: 0.92;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 1.2rem;
            font-size: 0.95rem;
            color: #b0c4de;
        }
        .hero-meta i {
            margin-right: 6px;
            color: #e67e22;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
            padding-bottom: 3rem;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .card {
            background: #fff;
            border-radius: 16px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            padding: 1.8rem;
            margin-bottom: 2rem;
            transition: box-shadow 0.3s;
        }
        .card:hover {
            box-shadow: 0 8px 36px rgba(0, 0, 0, 0.10);
        }
        .featured-img {
            border-radius: 16px;
            margin: 1.8rem 0;
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.10);
        }
        .link-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .link-list li {
            padding: 0.5rem 0;
            border-bottom: 1px solid #eef2f7;
        }
        .link-list li:last-child {
            border-bottom: none;
        }
        .link-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 500;
        }
        .link-list a i {
            color: #e67e22;
            width: 20px;
            text-align: center;
        }
        .search-box {
            display: flex;
            border: 2px solid #dce1e8;
            border-radius: 50px;
            overflow: hidden;
            transition: border-color 0.3s;
            background: #fff;
        }
        .search-box:focus-within {
            border-color: #e67e22;
        }
        .search-box input {
            flex: 1;
            border: none;
            padding: 0.8rem 1.2rem;
            font-size: 1rem;
            outline: none;
            background: transparent;
        }
        .search-box button {
            background: #e67e22;
            color: #fff;
            border: none;
            padding: 0 1.5rem;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.25s;
        }
        .search-box button:hover {
            background: #cf6d17;
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #dce1e8;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            min-height: 100px;
            transition: border-color 0.3s;
        }
        .comment-form textarea:focus {
            border-color: #e67e22;
            outline: none;
        }
        .comment-form .form-row {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin-top: 0.8rem;
        }
        .comment-form .form-row input {
            flex: 1;
            min-width: 140px;
            padding: 0.7rem 1rem;
            border: 2px solid #dce1e8;
            border-radius: 10px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        .comment-form .form-row input:focus {
            border-color: #e67e22;
            outline: none;
        }
        .btn {
            background: #1a5276;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn:hover {
            background: #e67e22;
            transform: translateY(-2px);
        }
        .btn:active {
            transform: translateY(0);
        }
        .btn-orange {
            background: #e67e22;
        }
        .btn-orange:hover {
            background: #cf6d17;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 1.8rem;
            margin: 0.5rem 0 1rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #ddd;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f1c40f;
        }
        friend-link {
            display: block;
            padding: 1.5rem 0;
            border-top: 2px solid #eef2f7;
            margin-top: 1.5rem;
        }
        friend-link .friend-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.8rem;
            list-style: none;
            padding: 0;
            margin: 0.8rem 0 0;
        }
        friend-link .friend-list li a {
            color: #1a5276;
            font-weight: 500;
        }
        friend-link .friend-list li a:hover {
            color: #e67e22;
        }
        .site-footer {
            background: #0b2545;
            color: #b0c4de;
            padding: 2.5rem 0 1.5rem;
            margin-top: auto;
            border-radius: 40px 40px 0 0;
        }
        .site-footer .copyright {
            text-align: center;
            font-size: 0.9rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            margin-top: 1.5rem;
        }
        .site-footer a {
            color: #f7c948;
        }
        .site-footer a:hover {
            color: #ffd966;
        }
        @media (max-width: 992px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .hero-section h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-list {
                display: none;
                flex-direction: column;
                background: #0b2545;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                padding: 1rem 1.2rem;
                border-radius: 0 0 20px 20px;
                box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
                gap: 0.2rem;
            }
            .nav-list.open {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .header-inner {
                position: relative;
            }
            .hero-section {
                padding: 2rem 0 1.8rem;
            }
            .hero-section h1 {
                font-size: 1.7rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .card {
                padding: 1.2rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.9rem;
            }
            .hero-section h1 {
                font-size: 1.4rem;
            }
            .hero-meta {
                flex-direction: column;
                gap: 0.4rem;
            }
            .comment-form .form-row {
                flex-direction: column;
            }
            .star-rating {
                font-size: 1.4rem;
            }
        }
        .text-small {
            font-size: 0.85rem;
            color: #6c7a89;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .highlight {
            background: #fef9e7;
            padding: 0.2rem 0.5rem;
            border-radius: 6px;
            font-weight: 600;
        }
        .emoji-lg {
            font-size: 1.4rem;
        }
        .pro-tip {
            background: #eaf7f0;
            border-left: 5px solid #27ae60;
            padding: 1rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .pro-tip i {
            color: #27ae60;
            margin-right: 8px;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        table th {
            background: #0b2545;
            color: #fff;
            padding: 0.7rem 1rem;
            text-align: left;
        }
        table td {
            padding: 0.6rem 1rem;
            border-bottom: 1px solid #eef2f7;
        }
        table tr:hover td {
            background: #f8f9fc;
        }
        .tag {
            display: inline-block;
            background: #eef2f7;
            padding: 0.2rem 0.8rem;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #1a5276;
            margin-right: 0.3rem;
        }