:root {
            --pink-light: #ffcdcd;
            --pink-bg: #ffe6eb;
            --deep-blue: #005792;
            --cyan-light: #d1f4fa;
            --white: #ffffff;
            --gray-50: #f8f9fa;
            --gray-100: #f1f3f5;
            --gray-200: #e9ecef;
            --gray-300: #dee2e6;
            --gray-400: #ced4da;
            --gray-500: #adb5bd;
            --gray-600: #6c757d;
            --gray-700: #495057;
            --gray-800: #343a40;
            --gray-900: #212529;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.1), 0 4px 8px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.12), 0 8px 16px rgba(0, 0, 0, 0.06);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            scroll-padding-top: 70px;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--gray-50);
            color: var(--gray-800);
            line-height: 1.6;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        .top-nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            width: 100%;
            background: var(--white);
            border-bottom: 1px solid var(--gray-200);
            box-shadow: var(--shadow-sm);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            background: rgba(255, 255, 255, 0.95);
        }
        .nav-inner {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 clamp(12px, 3vw, 28px);
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            gap: 16px;
        }
        .nav-left {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }
        .nav-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--deep-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .nav-logo-icon img {
            width: 22px;
            height: 22px;
            object-fit: contain;
        }
        .nav-left h1 {
            font-size: clamp(1.1rem, 2.2vw, 1.35rem);
            font-weight: 700;
            color: var(--deep-blue);
            white-space: nowrap;
            letter-spacing: -0.3px;
            margin: 0;
        }
        .nav-center {
            display: flex;
            align-items: center;
            gap: clamp(4px, 1vw, 10px);
            flex-wrap: wrap;
            justify-content: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            flex: 1;
            min-width: 0;
        }
        .nav-center::-webkit-scrollbar {
            display: none;
        }
        .nav-center a {
            display: inline-block;
            padding: 7px 13px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--gray-700);
            text-decoration: none;
            border-radius: 20px;
            white-space: nowrap;
            transition: var(--transition-fast);
            letter-spacing: -0.1px;
        }
        .nav-center a:hover,
        .nav-center a:focus-visible {
            background: var(--cyan-light);
            color: var(--deep-blue);
            outline: none;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .user-login-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--white);
            background: var(--deep-blue);
            border: none;
            border-radius: 22px;
            cursor: pointer;
            white-space: nowrap;
            transition: var(--transition-fast);
            letter-spacing: -0.1px;
            text-decoration: none;
        }
        .user-login-btn:hover {
            background: #004a7a;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .user-avatar-small {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid rgba(255, 255, 255, 0.6);
        }
        .mobile-menu-toggle {
            display: none;
        }
        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 6px;
            z-index: 1001;
            background: none;
            border: none;
        }
        .mobile-menu-btn span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--deep-blue);
            border-radius: 3px;
            transition: var(--transition-fast);
        }
        #mobile-menu-checkbox:checked~.mobile-menu-btn span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        #mobile-menu-checkbox:checked~.mobile-menu-btn span:nth-child(2) {
            opacity: 0;
        }
        #mobile-menu-checkbox:checked~.mobile-menu-btn span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        @media (max-width: 860px) {
            .nav-center {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 16px;
                gap: 4px;
                border-bottom: 2px solid var(--gray-200);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition-smooth);
                z-index: 999;
                max-height: 60vh;
                overflow-y: auto;
            }
            #mobile-menu-checkbox:checked~.nav-center {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-center a {
                padding: 11px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.95rem;
                text-align: center;
                border: 1px solid transparent;
            }
            .nav-center a:hover {
                border-color: var(--cyan-light);
                background: var(--cyan-light);
            }
            .mobile-menu-btn {
                display: flex;
            }
            .nav-right .user-login-btn span {
                display: none;
            }
            .nav-right .user-login-btn {
                padding: 8px 10px;
                border-radius: 50%;
                width: 38px;
                height: 38px;
                justify-content: center;
            }
        }
        .main-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 clamp(10px, 2.5vw, 24px);
        }
        .brand-banner {
            width: 100%;
            background: linear-gradient(135deg, #fff 0%, var(--pink-bg) 40%, var(--cyan-light) 100%);
            border-radius: var(--radius-xl);
            margin: clamp(16px, 2.5vw, 28px) 0;
            overflow: hidden;
            display: flex;
            align-items: center;
            min-height: clamp(280px, 38vw, 420px);
            position: relative;
            box-shadow: var(--shadow-lg);
        }
        .brand-banner .brand-text {
            flex: 1;
            padding: clamp(24px, 5vw, 48px);
            z-index: 2;
            display: flex;
            flex-direction: column;
            gap: clamp(10px, 2vw, 18px);
        }
        .brand-banner .brand-text .brand-badge {
            display: inline-block;
            background: var(--deep-blue);
            color: #fff;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.4px;
            width: fit-content;
        }
        .brand-banner .brand-text h2 {
            font-size: clamp(1.5rem, 3.5vw, 2.6rem);
            font-weight: 800;
            color: var(--gray-900);
            line-height: 1.25;
            letter-spacing: -0.5px;
        }
        .brand-banner .brand-text h2 span {
            color: var(--deep-blue);
        }
        .brand-banner .brand-text p {
            font-size: clamp(0.9rem, 1.4vw, 1.08rem);
            color: var(--gray-700);
            max-width: 480px;
            line-height: 1.7;
        }
        .brand-banner .brand-text .brand-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--deep-blue);
            color: #fff;
            padding: 12px 26px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            text-decoration: none;
            width: fit-content;
            transition: var(--transition-fast);
            letter-spacing: -0.1px;
        }
        .brand-banner .brand-text .brand-cta:hover {
            background: #004a7a;
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .brand-banner .brand-image {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: clamp(16px, 3vw, 32px);
            z-index: 2;
        }
        .brand-banner .brand-image img {
            width: 100%;
            max-width: 480px;
            height: auto;
            aspect-ratio: 4/3;
            object-fit: cover;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
        }
        @media (max-width: 720px) {
            .brand-banner {
                flex-direction: column;
                min-height: auto;
            }
            .brand-banner .brand-text {
                align-items: center;
                text-align: center;
                padding: 28px 20px 8px;
            }
            .brand-banner .brand-text p {
                max-width: 100%;
            }
            .brand-banner .brand-image {
                padding: 12px 20px 24px;
            }
            .brand-banner .brand-image img {
                max-width: 320px;
            }
        }
        .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: clamp(16px, 2vw, 22px);
        }
        .section-header h3 {
            font-size: clamp(1.2rem, 2vw, 1.55rem);
            font-weight: 700;
            color: var(--gray-900);
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .section-header h3::before {
            content: '';
            display: inline-block;
            width: 5px;
            height: 26px;
            background: var(--deep-blue);
            border-radius: 3px;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #e63946;
            background: #fff0f0;
            padding: 5px 12px;
            border-radius: 14px;
            animation: pulse-tag 2s ease-in-out infinite;
        }
        @keyframes pulse-tag {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }
        .section-header .view-all {
            font-size: 0.88rem;
            color: var(--deep-blue);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition-fast);
            white-space: nowrap;
        }
        .section-header .view-all:hover {
            text-decoration: underline;
            color: #004a7a;
        }
        .platform-intro {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: clamp(20px, 3vw, 32px);
            margin: clamp(16px, 2vw, 24px) 0;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
        }
        .platform-intro .intro-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 16px;
            text-align: center;
        }
        .platform-intro .intro-item {
            padding: 16px 10px;
            border-radius: var(--radius-md);
            background: var(--gray-50);
            transition: var(--transition-fast);
        }
        .platform-intro .intro-item:hover {
            background: var(--cyan-light);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .platform-intro .intro-item .intro-icon {
            font-size: 2rem;
            margin-bottom: 6px;
        }
        .platform-intro .intro-item strong {
            display: block;
            font-size: 0.95rem;
            color: var(--deep-blue);
            margin-bottom: 2px;
        }
        .platform-intro .intro-item span {
            font-size: 0.8rem;
            color: var(--gray-600);
        }
        .two-col-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: clamp(16px, 2.5vw, 28px);
            margin: clamp(16px, 2vw, 24px) 0;
            align-items: start;
        }
        @media (max-width: 1024px) {
            .two-col-layout {
                grid-template-columns: 1fr;
            }
        }
        .hot-movies-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: clamp(10px, 1.5vw, 16px);
        }
        @media (max-width: 1024px) {
            .hot-movies-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 640px) {
            .hot-movies-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
        }
        @media (max-width: 380px) {
            .hot-movies-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
        }
        .movie-card {
            background: var(--white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition-smooth);
            border: 1px solid var(--gray-200);
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .movie-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: var(--cyan-light);
        }
        .movie-card .card-img-wrap {
            position: relative;
            aspect-ratio: 2/3;
            overflow: hidden;
            background: var(--gray-200);
        }
        .movie-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition-smooth);
            display: block;
        }
        .movie-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .movie-card .rank-badge {
            position: absolute;
            top: 8px;
            left: 8px;
            background: var(--deep-blue);
            color: #fff;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 4px 9px;
            border-radius: 10px;
            z-index: 3;
            letter-spacing: 0.3px;
        }
        .movie-card .weekly-badge {
            position: absolute;
            top: 8px;
            right: 8px;
            background: #e63946;
            color: #fff;
            font-weight: 700;
            font-size: 0.7rem;
            padding: 3px 8px;
            border-radius: 10px;
            z-index: 3;
            letter-spacing: 0.3px;
        }
        .movie-card .card-info {
            padding: 10px 12px 14px;
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }
        .movie-card .card-info .movie-title {
            font-weight: 700;
            font-size: 0.92rem;
            color: var(--gray-900);
            line-height: 1.3;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .movie-card .card-info .movie-meta {
            font-size: 0.73rem;
            color: var(--gray-600);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .movie-card .card-info .movie-type-tag {
            display: inline-block;
            font-size: 0.7rem;
            background: var(--pink-bg);
            color: #c0392b;
            padding: 2px 8px;
            border-radius: 10px;
            width: fit-content;
            font-weight: 500;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: clamp(16px, 2vw, 24px);
        }
        .sidebar-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: clamp(16px, 2.5vw, 22px);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
        }
        .sidebar-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--deep-blue);
            margin-bottom: 12px;
            letter-spacing: -0.2px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card .update-time {
            font-size: 0.75rem;
            color: var(--gray-500);
            font-weight: 400;
        }
        .reading-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .reading-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            border-bottom: 1px solid var(--gray-100);
            transition: var(--transition-fast);
            cursor: pointer;
        }
        .reading-list li:hover {
            background: var(--gray-50);
            border-radius: 6px;
            padding-left: 6px;
        }
        .reading-list li .read-rank {
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--deep-blue);
            min-width: 22px;
            flex-shrink: 0;
        }
        .reading-list li .read-info {
            flex: 1;
            min-width: 0;
        }
        .reading-list li .read-title {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--gray-800);
            line-height: 1.3;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .reading-list li .read-count {
            font-size: 0.72rem;
            color: var(--gray-500);
        }
        .stat-numbers {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }
        .stat-numbers .stat-item {
            text-align: center;
            padding: 14px 8px;
            background: var(--gray-50);
            border-radius: var(--radius-md);
            transition: var(--transition-fast);
        }
        .stat-numbers .stat-item:hover {
            background: var(--cyan-light);
        }
        .stat-numbers .stat-value {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--deep-blue);
            letter-spacing: -0.5px;
        }
        .stat-numbers .stat-label {
            font-size: 0.75rem;
            color: var(--gray-600);
            margin-top: 2px;
        }
        .stars-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: clamp(10px, 1.5vw, 16px);
            margin: clamp(16px, 2vw, 24px) 0;
        }
        @media (max-width: 768px) {
            .stars-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
        }
        @media (max-width: 400px) {
            .stars-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
        }
        .star-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: var(--transition-smooth);
            border: 1px solid var(--gray-200);
            position: relative;
        }
        .star-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-xl);
            border-color: var(--pink-light);
        }
        .star-card .star-img-wrap {
            aspect-ratio: 1/1;
            overflow: hidden;
            background: var(--gray-200);
        }
        .star-card .star-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition-smooth);
            display: block;
        }
        .star-card:hover .star-img-wrap img {
            transform: scale(1.05);
        }
        .star-card .hot-star-badge {
            position: absolute;
            top: 8px;
            right: 8px;
            background: #ff6b6b;
            color: #fff;
            font-weight: 700;
            font-size: 0.7rem;
            padding: 3px 9px;
            border-radius: 10px;
            z-index: 3;
        }
        .star-card .star-info {
            padding: 12px 10px 16px;
        }
        .star-card .star-name {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--gray-900);
        }
        .star-card .star-role {
            font-size: 0.78rem;
            color: var(--gray-600);
            margin-top: 2px;
        }
        .info-cards-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: clamp(10px, 1.5vw, 16px);
            margin: clamp(16px, 2vw, 24px) 0;
        }
        @media (max-width: 900px) {
            .info-cards-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .info-cards-row {
                grid-template-columns: 1fr;
            }
        }
        .info-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: clamp(16px, 2vw, 22px);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
            transition: var(--transition-fast);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .info-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--cyan-light);
        }
        .info-card .info-card-img {
            aspect-ratio: 16/9;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--gray-200);
        }
        .info-card .info-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: var(--transition-smooth);
        }
        .info-card:hover .info-card-img img {
            transform: scale(1.04);
        }
        .info-card h5 {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--gray-900);
            line-height: 1.3;
        }
        .info-card p {
            font-size: 0.82rem;
            color: var(--gray-600);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 4;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .comments-section {
            margin: clamp(16px, 2vw, 24px) 0;
        }
        .comments-list {
            display: flex;
            flex-direction: column;
            gap: clamp(10px, 1.5vw, 14px);
        }
        .comment-item {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: clamp(14px, 2vw, 20px);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
            transition: var(--transition-fast);
            display: flex;
            gap: 12px;
        }
        .comment-item:hover {
            border-color: var(--cyan-light);
            box-shadow: var(--shadow-md);
        }
        .comment-body {
            flex: 1;
            min-width: 0;
        }
        .comment-body .comment-user {
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--deep-blue);
        }
        .comment-body .comment-time {
            font-size: 0.72rem;
            color: var(--gray-500);
            margin-left: 8px;
        }
        .comment-body .comment-text {
            font-size: 0.85rem;
            color: var(--gray-700);
            line-height: 1.6;
            margin-top: 4px;
            word-break: break-word;
        }
        .app-download-section {
            background: linear-gradient(135deg, var(--deep-blue) 0%, #003d63 100%);
            border-radius: var(--radius-xl);
            padding: clamp(24px, 4vw, 40px);
            margin: clamp(16px, 2vw, 24px) 0;
            color: #fff;
            text-align: center;
        }
        .app-download-section h3 {
            font-size: clamp(1.3rem, 2.5vw, 1.8rem);
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }
        .app-download-section>p {
            font-size: 0.9rem;
            opacity: 0.85;
            margin-bottom: 20px;
        }
        .app-download-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }
        .app-download-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 20px;
            background: rgba(255, 255, 255, 0.12);
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            border-radius: 28px;
            color: #fff;
            text-decoration: none;
            font-weight: 500;
            font-size: 0.9rem;
            transition: var(--transition-fast);
            white-space: nowrap;
        }
        .app-download-btn:hover {
            background: rgba(255, 255, 255, 0.22);
            border-color: rgba(255, 255, 255, 0.6);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
        }
        .app-download-btn .app-icon {
            width: 22px;
            height: 22px;
            flex-shrink: 0;
        }
        .faq-section {
            margin: clamp(16px, 2vw, 24px) 0;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .faq-item {
            background: var(--white);
            border-radius: var(--radius-md);
            border: 1px solid var(--gray-200);
            overflow: hidden;
            transition: var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--cyan-light);
        }
        .faq-question {
            display: block;
            cursor: pointer;
            padding: 14px 18px;
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--gray-800);
            user-select: none;
            position: relative;
            padding-right: 40px;
        }
        .faq-question::after {
            content: '+';
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 1.3rem;
            color: var(--deep-blue);
            font-weight: 700;
            transition: var(--transition-fast);
        }
        .faq-toggle {
            display: none;
        }
        .faq-toggle:checked+.faq-question::after {
            content: '-';
            transform: translateY(-50%) rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 18px;
            font-size: 0.84rem;
            color: var(--gray-600);
            line-height: 1.6;
            background: var(--gray-50);
        }
        .faq-toggle:checked+.faq-question+.faq-answer {
            max-height: 300px;
            padding: 10px 18px 16px;
        }
        .bottom-nav {
            width: 100%;
            background: var(--gray-900);
            color: #ccc;
            padding: clamp(28px, 4vw, 44px) clamp(12px, 3vw, 28px) 20px;
            margin-top: clamp(24px, 3vw, 40px);
        }
        .bottom-nav-inner {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 24px;
        }
        .bottom-nav-col h4 {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 10px;
            letter-spacing: -0.1px;
        }
        .bottom-nav-col a {
            display: block;
            color: #aaa;
            text-decoration: none;
            font-size: 0.84rem;
            padding: 4px 0;
            transition: var(--transition-fast);
        }
        .bottom-nav-col a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .bottom-nav-bottom {
            max-width: 1400px;
            margin: 20px auto 0;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            text-align: center;
            font-size: 0.78rem;
            color: #888;
        }
        .bottom-nav-bottom a {
            color: var(--cyan-light);
            text-decoration: none;
            font-weight: 500;
        }
        .bottom-nav-bottom a:hover {
            text-decoration: underline;
        }
        .back-to-top {
            position: fixed;
            bottom: 24px;
            right: 20px;
            width: 44px;
            height: 44px;
            background: var(--deep-blue);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 700;
            text-decoration: none;
            box-shadow: var(--shadow-lg);
            z-index: 900;
            transition: var(--transition-fast);
            opacity: 0.85;
        }
        .back-to-top:hover {
            opacity: 1;
            transform: translateY(-3px);
            box-shadow: var(--shadow-xl);
        }
        img {
            background: var(--gray-200);
        }
        img[loading="lazy"] {
            transition: opacity 0.4s ease;
        }
        img[loading="lazy"]:not([src]) {
            opacity: 0;
        }
        @media print {
            .top-nav,
            .bottom-nav,
            .back-to-top,
            .app-download-section,
            .mobile-menu-btn,
            #mobile-menu-checkbox {
                display: none !important;
            }
            body {
                font-size: 12px;
            }
        }