*,
        *::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, 'Helvetica Neue', sans-serif;
            background: #0d0f14;
            color: #e8edf5;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #7aa9ff;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: #b3ccff;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #f0f4ff;
            letter-spacing: 0.01em;
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 0.75rem;
        }
        h2 {
            font-size: 1.8rem;
            margin-top: 2.5rem;
            margin-bottom: 0.6rem;
            border-bottom: 2px solid #2a2f3a;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.35rem;
            margin-top: 1.8rem;
            margin-bottom: 0.4rem;
        }
        h4 {
            font-size: 1.1rem;
            margin-top: 1.2rem;
            margin-bottom: 0.3rem;
            color: #c8d6f0;
        }
        p {
            margin-bottom: 1rem;
            max-width: 75ch;
        }
        ul,
        ol {
            margin: 0.5rem 0 1.2rem 1.8rem;
        }
        li {
            margin-bottom: 0.35rem;
        }
        strong,
        b {
            color: #ffffff;
            font-weight: 600;
        }
        em,
        i {
            font-style: italic;
            color: #c8d6f0;
        }
        hr {
            border: none;
            border-top: 1px solid #2a2f3a;
            margin: 2rem 0;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 1.2rem;
            width: 100%;
        }
        .site-header {
            background: #141820;
            border-bottom: 1px solid #2a2f3a;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(6px);
            background-color: rgba(20, 24, 32, 0.92);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.6rem 1rem;
        }
        .my-logo {
            font-size: 1.5rem;
            font-weight: 700;
            background: linear-gradient(135deg, #b366ff, #66a3ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.02em;
            display: inline-block;
        }
        .my-logo small {
            font-size: 0.75rem;
            font-weight: 400;
            -webkit-text-fill-color: #8899bb;
            color: #8899bb;
            display: block;
            font-style: italic;
        }
        .my-logo:hover {
            opacity: 0.85;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.2rem 0.8rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #b0c4de;
            font-size: 0.9rem;
            padding: 0.3rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background: #232a36;
            color: #fff;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 0.3rem;
            font-size: 0.8rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #e8edf5;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #232a36;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 0.3rem 0.6rem;
            font-size: 0.85rem;
            padding: 0.6rem 0 0.2rem;
            margin: 0;
            color: #8899bb;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #556688;
        }
        .breadcrumb a {
            color: #7aa9ff;
        }
        .breadcrumb a:hover {
            color: #b3ccff;
        }
        .breadcrumb .current {
            color: #b0c4de;
        }
        .hero {
            padding: 2.5rem 0 1.5rem;
            text-align: center;
        }
        .hero h1 {
            font-size: 2.6rem;
            background: linear-gradient(135deg, #c084fc, #60a5fa);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero .subhead {
            font-size: 1.15rem;
            color: #a0b8d4;
            max-width: 700px;
            margin: 0.6rem auto 1.2rem;
        }
        .hero .last-updated {
            font-size: 0.9rem;
            color: #6a7f9e;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            flex-wrap: wrap;
        }
        .hero .last-updated i {
            font-size: 0.85rem;
        }
        .search-wrap {
            background: #1a1f2a;
            border-radius: 40px;
            padding: 0.3rem 0.3rem 0.3rem 1.2rem;
            display: flex;
            align-items: center;
            max-width: 520px;
            margin: 1.2rem auto 0.8rem;
            border: 1px solid #2a2f3a;
            transition: border 0.2s;
        }
        .search-wrap:focus-within {
            border-color: #7aa9ff;
        }
        .search-wrap i {
            color: #6a7f9e;
            font-size: 1rem;
        }
        .search-wrap input {
            background: transparent;
            border: none;
            padding: 0.6rem 0.8rem;
            flex: 1;
            color: #e8edf5;
            font-size: 0.95rem;
            outline: none;
            min-width: 0;
        }
        .search-wrap input::placeholder {
            color: #556688;
        }
        .search-wrap button {
            background: #2a2f3a;
            border: none;
            color: #e8edf5;
            padding: 0.5rem 1.2rem;
            border-radius: 40px;
            font-size: 0.9rem;
            cursor: pointer;
            transition: background 0.2s;
            font-weight: 500;
        }
        .search-wrap button:hover {
            background: #3a4150;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            padding: 1.5rem 0 2.5rem;
        }
        .content-main {
            min-width: 0;
        }
        .content-sidebar {
            position: sticky;
            top: 5.5rem;
            align-self: start;
        }
        .sidebar-card {
            background: #1a1f2a;
            border-radius: 14px;
            padding: 1.2rem 1rem;
            margin-bottom: 1.5rem;
            border: 1px solid #252b36;
        }
        .sidebar-card h4 {
            font-size: 1rem;
            margin-top: 0;
            margin-bottom: 0.8rem;
            color: #b0c4de;
            border-bottom: 1px solid #2a2f3a;
            padding-bottom: 0.4rem;
        }
        .sidebar-card ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .sidebar-card li {
            margin-bottom: 0.4rem;
        }
        .sidebar-card a {
            font-size: 0.9rem;
            display: block;
            padding: 0.3rem 0.4rem;
            border-radius: 6px;
            transition: background 0.15s;
        }
        .sidebar-card a:hover {
            background: #232a36;
            text-decoration: none;
        }
        .sidebar-card a i {
            margin-right: 0.4rem;
            color: #6a7f9e;
            font-size: 0.75rem;
        }
        .featured-image {
            margin: 1.8rem 0;
            border-radius: 14px;
            overflow: hidden;
            background: #1a1f2a;
            padding: 0.4rem;
            border: 1px solid #252b36;
        }
        .featured-image img {
            border-radius: 10px;
            width: 100%;
        }
        .featured-image figcaption {
            font-size: 0.85rem;
            color: #8899bb;
            padding: 0.6rem 0.4rem 0.2rem;
            text-align: center;
            font-style: italic;
        }
        .interaction-area {
            background: #1a1f2a;
            border-radius: 14px;
            padding: 1.5rem 1.8rem;
            margin-top: 2.5rem;
            border: 1px solid #252b36;
        }
        .interaction-area h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group label {
            display: block;
            font-size: 0.9rem;
            font-weight: 500;
            color: #b0c4de;
            margin-bottom: 0.25rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.6rem 0.8rem;
            border-radius: 8px;
            border: 1px solid #2a2f3a;
            background: #0d0f14;
            color: #e8edf5;
            font-size: 0.95rem;
            transition: border 0.2s;
            font-family: inherit;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #7aa9ff;
            outline: none;
        }
        .form-group textarea {
            min-height: 90px;
            resize: vertical;
        }
        .form-row {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .form-row .form-group {
            flex: 1;
            min-width: 140px;
        }
        .btn {
            background: #2a2f3a;
            border: none;
            color: #e8edf5;
            padding: 0.6rem 1.6rem;
            border-radius: 40px;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .btn:hover {
            background: #3a4150;
            transform: translateY(-1px);
        }
        .btn-primary {
            background: #4a6fa5;
        }
        .btn-primary:hover {
            background: #5a7fb5;
        }
        .btn i {
            font-size: 0.9rem;
        }
        .site-footer {
            background: #141820;
            border-top: 1px solid #2a2f3a;
            padding: 2rem 0 1.2rem;
            margin-top: auto;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 1.5rem;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 1.2rem;
        }
        .footer-links a {
            font-size: 0.9rem;
            color: #8899bb;
        }
        .footer-links a:hover {
            color: #b0c4de;
        }
        .copyright {
            font-size: 0.85rem;
            color: #556688;
            text-align: center;
            width: 100%;
            margin-top: 1rem;
            padding-top: 0.8rem;
            border-top: 1px solid #1f2530;
        }
        friend-link {
            display: block;
            margin: 0.5rem 0;
            font-size: 0.9rem;
            color: #8899bb;
        }
        friend-link a {
            color: #7aa9ff;
            margin: 0 0.3rem;
        }
        friend-link a:hover {
            color: #b3ccff;
        }
        @media (max-width: 820px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .content-sidebar {
                position: static;
                order: -1;
            }
            .sidebar-card {
                display: inline-block;
                width: auto;
                margin-right: 0.6rem;
                vertical-align: top;
            }
            .sidebar-wrap {
                display: flex;
                flex-wrap: wrap;
                gap: 0.8rem;
            }
            h1 {
                font-size: 1.9rem;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0d0f14;
                padding: 0.8rem 0.4rem;
                border-radius: 12px;
                margin-top: 0.3rem;
                border: 1px solid #2a2f3a;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.5rem 0.8rem;
                border-bottom: 1px solid #1f2530;
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .hamburger {
                display: block;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
            .footer-inner {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .footer-links {
                justify-content: center;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .search-wrap {
                flex-wrap: wrap;
                padding: 0.3rem 0.6rem;
            }
            .search-wrap button {
                width: 100%;
                margin-top: 0.3rem;
                justify-content: center;
            }
            .interaction-area {
                padding: 1rem 0.8rem;
            }
            .form-row {
                flex-direction: column;
            }
            .sidebar-card {
                width: 100%;
                margin-right: 0;
            }
        }
        .text-muted {
            color: #8899bb;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .gap-1 {
            gap: 0.6rem;
        }
        .rounded-full {
            border-radius: 999px;
        }
        .star-rating {
            display: flex;
            gap: 0.2rem;
            font-size: 1.4rem;
            color: #3a4150;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            transition: color 0.15s;
            color: #3a4150;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #fbbf24;
        }
        .star-rating label i {
            pointer-events: none;
        }
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(12px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .content-main>* {
            animation: fadeUp 0.4s ease forwards;
        }
        .content-main>*:nth-child(2) {
            animation-delay: 0.05s;
        }
        .content-main>*:nth-child(3) {
            animation-delay: 0.1s;
        }
        .content-main>*:nth-child(4) {
            animation-delay: 0.15s;
        }
        .content-main>*:nth-child(5) {
            animation-delay: 0.2s;
        }
        .content-main>*:nth-child(6) {
            animation-delay: 0.25s;
        }
        .content-main>*:nth-child(7) {
            animation-delay: 0.3s;
        }
        .content-main>*:nth-child(8) {
            animation-delay: 0.35s;
        }
        .content-main>*:nth-child(9) {
            animation-delay: 0.4s;
        }
        .content-main>*:nth-child(10) {
            animation-delay: 0.45s;
        }
        .content-main>*:nth-child(11) {
            animation-delay: 0.5s;
        }
        .content-main>*:nth-child(12) {
            animation-delay: 0.55s;
        }