*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.75;
            color: #1a1a2e;
            background: #f8f9fc;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #b8860b;
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #8b0000;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #0a0a1a;
            margin-top: 1.8em;
            margin-bottom: 0.6em;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.4em;
            border-bottom: 4px solid #b8860b;
            padding-bottom: 0.3em;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 6px solid #b8860b;
            padding-left: 0.8rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #1a1a2e;
        }
        h4 {
            font-size: 1.15rem;
            color: #2d2d44;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2rem;
            color: #2d2d44;
        }
        .content-wrap {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(145deg, #0a0a1a 0%, #1a1a2e 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.6rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #b8860b, #ffd700);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
            transition: opacity 0.3s;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: #aaa;
            color: #aaa;
            display: block;
            font-weight: 400;
            letter-spacing: 1px;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #e0e0e0;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
        }
        .nav-menu a:hover,
        .nav-menu a.active {
            background: rgba(184, 134, 11, 0.25);
            color: #ffd700;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid #b8860b;
            color: #b8860b;
            font-size: 1.6rem;
            padding: 0.3rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.25s;
        }
        .hamburger:hover {
            background: rgba(184, 134, 11, 0.15);
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: #fff;
            border-bottom: 1px solid #e5e7eb;
            padding: 0.6rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.2rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 0.4rem;
            color: #9ca3af;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #4b5563;
        }
        .breadcrumb a:hover {
            color: #b8860b;
        }
        .breadcrumb [aria-current="page"] {
            color: #1a1a2e;
            font-weight: 600;
        }
        .hero-figure {
            margin: 2rem 0 1.5rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
            background: #e9ecef;
        }
        .hero-figure img {
            width: 100%;
            height: auto;
            max-height: 480px;
            object-fit: cover;
        }
        .hero-figure figcaption {
            padding: 0.8rem 1.2rem;
            background: #f1f3f5;
            font-size: 0.9rem;
            color: #4b5563;
            font-style: italic;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            align-items: center;
            padding: 0.8rem 0 1.2rem;
            color: #6b7280;
            font-size: 0.95rem;
            border-bottom: 1px dashed #d1d5db;
            margin-bottom: 1.8rem;
        }
        .article-meta i {
            margin-right: 0.4rem;
            color: #b8860b;
        }
        .last-updated {
            font-weight: 600;
            color: #1a1a2e;
        }
        .tip-card,
        .insight-box,
        .interview-box {
            background: #fff;
            border-radius: 16px;
            padding: 1.6rem 1.8rem;
            margin: 2rem 0;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            border-left: 6px solid #b8860b;
        }
        .tip-card {
            border-left-color: #b8860b;
            background: #fefcf5;
        }
        .insight-box {
            border-left-color: #8b0000;
            background: #fdf8f6;
        }
        .interview-box {
            border-left-color: #1a5276;
            background: #f4f8fb;
        }
        .tip-card h4,
        .insight-box h4,
        .interview-box h4 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.8rem 0;
            font-size: 0.95rem;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
        }
        .data-table thead {
            background: #0a0a1a;
            color: #ffd700;
        }
        .data-table th,
        .data-table td {
            padding: 0.9rem 1.2rem;
            text-align: left;
            border-bottom: 1px solid #e5e7eb;
        }
        .data-table tbody tr:hover {
            background: #fefcf5;
        }
        .search-module {
            background: #fff;
            border-radius: 16px;
            padding: 1.6rem 1.8rem;
            margin: 2.5rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            border: 1px solid #e5e7eb;
        }
        .search-module h3 {
            margin-top: 0;
        }
        .search-form {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1 1 240px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #d1d5db;
            border-radius: 10px;
            font-size: 1rem;
            transition: border-color 0.3s, box-shadow 0.3s;
            outline: none;
        }
        .search-form input[type="text"]:focus {
            border-color: #b8860b;
            box-shadow: 0 0 0 4px rgba(184, 134, 11, 0.15);
        }
        .search-form button {
            padding: 0.8rem 1.8rem;
            background: #b8860b;
            color: #fff;
            border: none;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.15s;
        }
        .search-form button:hover {
            background: #9a7209;
            transform: translateY(-1px);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2.5rem 0;
        }
        .feedback-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.6rem 1.8rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            border: 1px solid #e5e7eb;
        }
        .feedback-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .feedback-form textarea,
        .feedback-form input[type="number"],
        .feedback-form input[type="text"] {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #d1d5db;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border-color 0.3s;
            outline: none;
            margin-bottom: 0.8rem;
        }
        .feedback-form textarea:focus,
        .feedback-form input:focus {
            border-color: #b8860b;
            box-shadow: 0 0 0 4px rgba(184, 134, 11, 0.1);
        }
        .feedback-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-form button {
            padding: 0.7rem 1.8rem;
            background: #1a1a2e;
            color: #fff;
            border: none;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.15s;
        }
        .feedback-form button:hover {
            background: #0a0a1a;
            transform: translateY(-1px);
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            color: #d1d5db;
            cursor: pointer;
            margin-bottom: 0.8rem;
        }
        .star-rating i.active {
            color: #ffd700;
        }
        .star-rating i:hover,
        .star-rating i.hover {
            color: #f0c040;
        }
        friend-link {
            display: block;
            background: #fff;
            border-radius: 16px;
            padding: 1.6rem 1.8rem;
            margin: 2rem 0;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            border: 1px solid #e5e7eb;
        }
        friend-link h3 {
            margin-top: 0;
            font-size: 1.2rem;
            color: #1a1a2e;
            border-bottom: 2px solid #b8860b;
            padding-bottom: 0.4rem;
            margin-bottom: 1rem;
        }
        friend-link ul {
            list-style: none;
            padding: 0;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 0.6rem 1.2rem;
        }
        friend-link li::before {
            content: "♠ ";
            color: #b8860b;
            font-weight: 700;
        }
        friend-link a {
            font-weight: 500;
        }
        .site-footer {
            background: #0a0a1a;
            color: #ccc;
            padding: 2.5rem 1.2rem;
            margin-top: 3rem;
            text-align: center;
            border-top: 4px solid #b8860b;
        }
        .site-footer p {
            color: #aaa;
            font-size: 0.9rem;
            margin-bottom: 0.4rem;
        }
        .site-footer .copyright {
            font-size: 0.85rem;
            color: #888;
            border-top: 1px solid #2d2d44;
            padding-top: 1.2rem;
            margin-top: 1.2rem;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #0a0a1a;
                padding: 1rem 0;
                border-top: 1px solid #2d2d44;
                margin-top: 0.6rem;
            }
            .nav-menu a {
                padding: 0.7rem 1.2rem;
                width: 100%;
                text-align: center;
            }
            .hamburger {
                display: block;
            }
            #nav-toggle:checked~.nav-menu {
                display: flex;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .data-table {
                font-size: 0.85rem;
            }
            .data-table th,
            .data-table td {
                padding: 0.6rem 0.8rem;
            }
            .hero-figure img {
                max-height: 240px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input[type="text"] {
                flex: 1 1 auto;
            }
            friend-link ul {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .content-wrap {
                padding: 0 0.8rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            .article-meta {
                flex-direction: column;
                gap: 0.4rem;
                font-size: 0.85rem;
            }
            .tip-card,
            .insight-box,
            .interview-box,
            .feedback-card,
            .search-module,
            friend-link {
                padding: 1.2rem;
            }
            friend-link ul {
                grid-template-columns: 1fr;
            }
            .data-table {
                font-size: 0.75rem;
            }
            .data-table th,
            .data-table td {
                padding: 0.4rem 0.5rem;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #f1f1f1;
        }
        ::-webkit-scrollbar-thumb {
            background: #b8860b;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #9a7209;
        }
        .highlight {
            background: #fef9e7;
            padding: 0.2rem 0.4rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.4em;
            margin-right: 0.3rem;
        }
        .key-term {
            font-weight: 700;
            color: #8b0000;
        }
        .pro-tip {
            display: inline-block;
            background: #b8860b;
            color: #fff;
            padding: 0.15rem 0.8rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }