/* roulang page: index */
:root {
            --primary: #7C3AED;
            --primary-dark: #4F46E5;
            --accent: #06B6D4;
            --cta: #F97316;
            --cta-dark: #F43F5E;
            --bg-dark: #0B0F1A;
            --bg-section: #111827;
            --bg-card: #1A2130;
            --bg-card-hover: #232C3D;
            --bg-float: #151B28;
            --border-float: #2A3441;
            --text-main: #F3F4F6;
            --text-secondary: #9CA3AF;
            --text-muted: #6B7280;
            --text-highlight: #A78BFA;
            --border-default: rgba(255,255,255,.08);
            --bs-primary: #7C3AED;
            --bs-body-bg: #0B0F1A;
            --bs-link-color: #06B6D4;
            --bs-link-hover-color: #A78BFA;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg-dark);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 1rem;
            overflow-x: hidden;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color .25s ease;
        }

        a:hover {
            color: var(--text-highlight);
        }

        img {
            max-width: 100%;
            display: block;
        }

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1280px;
            padding-left: 1rem;
            padding-right: 1rem;
            margin: 0 auto;
        }

        section {
            padding: 4.5rem 0;
        }

        .section-tag {
            display: inline-block;
            font-size: .75rem;
            letter-spacing: .1em;
            color: var(--accent);
            text-transform: uppercase;
            font-weight: 600;
        }

        .section-title {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: .75em;
            line-height: 1.3;
        }

        .section-divider {
            background: linear-gradient(90deg, #7C3AED, transparent);
            height: 3px;
            width: 48px;
            margin: 12px 0 16px;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 15, 26, .92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(124, 58, 237, .3);
        }

        .main-nav {
            padding: 0;
        }

        .main-nav .container {
            min-height: 70px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: .6rem;
            text-decoration: none;
        }

        .brand-icon {
            width: 34px;
            height: 34px;
            flex-shrink: 0;
        }

        .brand-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: .02em;
            white-space: nowrap;
        }

        .main-menu {
            gap: .25rem;
            margin: 0 auto;
        }

        .main-menu .nav-item {
            position: relative;
        }

        .main-menu .nav-link {
            color: var(--text-secondary);
            font-size: .95rem;
            font-weight: 500;
            padding: .6rem 1rem;
            transition: color .25s ease;
            position: relative;
        }

        .main-menu .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 1rem;
            right: 1rem;
            height: 2px;
            background: var(--accent);
            box-shadow: 0 0 8px rgba(6, 182, 212, .6);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .25s ease;
        }

        .main-menu .nav-link:hover {
            color: #fff;
        }

        .main-menu .nav-link:hover::after {
            transform: scaleX(1);
        }

        .main-menu .nav-link.active {
            color: var(--text-highlight);
        }

        .main-menu .nav-link.active::after {
            transform: scaleX(1);
        }

        .nav-cta .btn-cta {
            background: linear-gradient(135deg, #F97316, #F43F5E);
            color: #fff;
            border: none;
            border-radius: 8px;
            padding: .5rem 1.25rem;
            font-size: .95rem;
            font-weight: 600;
            box-shadow: 0 0 16px rgba(249, 115, 22, .35);
            transition: all .25s ease;
            white-space: nowrap;
        }

        .nav-cta .btn-cta:hover {
            box-shadow: 0 0 24px rgba(249, 115, 22, .6);
            transform: translateY(-1px);
            color: #fff;
        }

        .custom-toggler {
            border: none;
            background: transparent;
            padding: .4rem .5rem;
        }

        .custom-toggler:focus {
            box-shadow: none;
            outline: none;
        }

        .toggler-bar {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-main);
            margin: 5px 0;
            border-radius: 2px;
            transition: all .3s ease;
        }

        /* ===== Buttons ===== */
        .btn-primary-custom {
            background: linear-gradient(135deg, #7C3AED, #4F46E5);
            border: none;
            border-radius: 10px;
            padding: .7rem 1.5rem;
            font-weight: 600;
            color: #fff;
            font-size: .95rem;
            transition: all .25s ease;
            display: inline-flex;
            align-items: center;
            gap: .5rem;
        }

        .btn-primary-custom:hover {
            box-shadow: 0 8px 24px rgba(124, 58, 237, .4);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-primary-custom:active {
            transform: translateY(0);
        }

        .btn-cta-large {
            background: linear-gradient(135deg, #F97316, #F43F5E);
            border: none;
            border-radius: 14px;
            padding: 1rem 2.5rem;
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            box-shadow: 0 0 24px rgba(249, 115, 22, .4);
            transition: all .25s ease;
            display: inline-flex;
            align-items: center;
            gap: .5rem;
        }

        .btn-cta-large:hover {
            box-shadow: 0 0 36px rgba(249, 115, 22, .6);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline-accent {
            background: transparent;
            border: 1px solid var(--accent);
            color: var(--accent);
            border-radius: 10px;
            padding: .7rem 1.5rem;
            font-weight: 600;
            font-size: .95rem;
            transition: all .25s ease;
            display: inline-flex;
            align-items: center;
            gap: .5rem;
        }

        .btn-outline-accent:hover {
            background: rgba(6, 182, 212, .1);
            box-shadow: 0 0 12px rgba(6, 182, 212, .3);
            color: var(--accent);
        }

        /* ===== Hero Section ===== */
        .hero-section {
            position: relative;
            padding: 5rem 0;
            background: var(--bg-dark);
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 400px;
            height: 400px;
            background: var(--primary);
            opacity: .25;
            filter: blur(60px);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -100px;
            width: 300px;
            height: 300px;
            background: var(--accent);
            opacity: .15;
            filter: blur(60px);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            background: rgba(6, 182, 212, .1);
            border: 2px solid var(--accent);
            border-radius: 50rem;
            padding: .3rem 1rem;
            font-size: .85rem;
            font-weight: 600;
            color: var(--accent);
            margin-bottom: 1.5rem;
            animation: pulse-badge 2.5s infinite ease-in-out;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 4px rgba(6, 182, 212, .4);
            }
            50% {
                box-shadow: 0 0 14px rgba(6, 182, 212, .7);
            }
        }

        .hero-title {
            font-size: clamp(2.25rem, 5vw, 3.5rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: .8rem;
            color: #fff;
        }

        .hero-title .highlight {
            color: var(--text-highlight);
        }

        .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 520px;
            margin-bottom: 2rem;
            line-height: 1.65;
        }

        .hero-buttons {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin-bottom: 2rem;
        }

        .hero-trust {
            display: flex;
            gap: 1.5rem;
            align-items: center;
            flex-wrap: wrap;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: .4rem;
            font-size: .8rem;
            color: var(--text-muted);
        }

        .trust-item svg {
            width: 14px;
            height: 14px;
            color: var(--accent);
        }

        .hero-visual {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: center;
        }

        .visual-frame {
            width: 100%;
            max-width: 360px;
            aspect-ratio: 9 / 16;
            border-radius: 24px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, .1);
            box-shadow: 0 20px 60px rgba(0, 0, 0, .5), 0 0 40px rgba(124, 58, 237, .2);
            position: relative;
        }

        .visual-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .visual-frame::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(11, 15, 26, .6));
        }

        /* ===== Hot Cards ===== */
        .hot-section {
            background: var(--bg-dark);
            padding-bottom: 3rem;
        }

        .hot-scroll {
            display: flex;
            gap: 1rem;
            overflow-x: auto;
            padding-bottom: 1rem;
            scrollbar-width: thin;
            scrollbar-color: var(--primary) transparent;
        }

        .hot-scroll::-webkit-scrollbar {
            height: 5px;
        }

        .hot-scroll::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 4px;
        }

        .hot-card {
            flex: 0 0 260px;
            min-width: 260px;
            background: var(--bg-card);
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, .06);
            overflow: hidden;
            transition: all .3s ease;
            text-decoration: none;
            color: inherit;
            position: relative;
        }

        .hot-card:hover {
            border-color: rgba(124, 58, 237, .4);
            box-shadow: 0 8px 32px rgba(124, 58, 237, .25);
            transform: translateY(-4px);
            color: inherit;
        }

        .hot-card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
        }

        .hot-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .hot-card:hover .hot-card-img img {
            transform: scale(1.05);
        }

        .hot-card-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            z-index: 2;
            background: var(--cta);
            color: #fff;
            font-size: .7rem;
            font-weight: 700;
            padding: .2rem .6rem;
            border-radius: 4px;
        }

        .hot-card-badge.hot {
            background: var(--cta);
        }

        .hot-card-badge.new {
            background: var(--accent);
        }

        .hot-card-badge.popular {
            background: var(--primary);
        }

        .hot-play-btn {
            position: absolute;
            bottom: 10px;
            right: 10px;
            width: 36px;
            height: 36px;
            background: rgba(0, 0, 0, .6);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            opacity: .7;
            transition: all .3s ease;
            cursor: pointer;
        }

        .hot-card:hover .hot-play-btn {
            opacity: 1;
            box-shadow: 0 0 16px rgba(6, 182, 212, .6);
            background: rgba(6, 182, 212, .4);
        }

        .hot-play-btn svg {
            width: 14px;
            height: 14px;
            fill: #fff;
            margin-left: 2px;
        }

        .hot-card-body {
            padding: 1rem;
        }

        .hot-card-title {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .hot-card-desc {
            font-size: .85rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 10px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .hot-card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: .8rem;
        }

        .hot-card-rating {
            color: #FBBF24;
            font-weight: 600;
        }

        .hot-card-heat {
            color: #F87171;
            font-size: .75rem;
        }

        /* ===== Pick Section ===== */
        .pick-section {
            background: var(--bg-section);
        }

        .pick-main {
            background: var(--bg-card);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, .06);
            transition: all .3s ease;
            height: 100%;
            text-decoration: none;
            color: inherit;
        }

        .pick-main:hover {
            border-color: rgba(124, 58, 237, .4);
            box-shadow: 0 8px 32px rgba(124, 58, 237, .25);
            color: inherit;
        }

        .pick-main-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .pick-main-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .pick-main:hover .pick-main-img img {
            transform: scale(1.05);
        }

        .pick-main-img .img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(11, 15, 26, .9));
        }

        .pick-main-body {
            padding: 1.25rem;
        }

        .pick-main-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: .5rem;
        }

        .pick-main-desc {
            font-size: .875rem;
            color: var(--text-secondary);
            margin-bottom: 1rem;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .pick-main-btn {
            font-size: .875rem;
            color: var(--text-highlight);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: .3rem;
        }

        .pick-rank {
            background: var(--bg-card);
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, .06);
            padding: 1rem 1.25rem;
        }

        .rank-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: .75rem;
            padding: .65rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, .05);
            transition: background .2s ease;
            text-decoration: none;
            color: inherit;
            border-radius: 8px;
        }

        .rank-item:last-child {
            border-bottom: none;
        }

        .rank-item:hover {
            background: rgba(255, 255, 255, .04);
            color: inherit;
        }

        .rank-num {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
            width: 28px;
            text-align: center;
            transition: all .2s ease;
            flex-shrink: 0;
        }

        .rank-item:hover .rank-num {
            color: var(--accent);
            text-shadow: 0 0 8px rgba(6, 182, 212, .6);
        }

        .rank-thumb {
            width: 48px;
            height: 48px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
        }

        .rank-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .rank-title {
            font-size: .9rem;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.3;
        }

        .rank-desc {
            font-size: .75rem;
            color: var(--text-muted);
            line-height: 1.3;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .rank-arrow {
            margin-left: auto;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .rank-item:hover .rank-arrow {
            color: var(--accent);
        }

        /* ===== Review Section ===== */
        .review-section {
            background: var(--bg-dark);
        }

        .review-card {
            background: var(--bg-card);
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, .06);
            padding: 1.5rem;
            position: relative;
            transition: all .3s ease;
            height: 100%;
        }

        .review-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 16px 16px 0 0;
        }

        .review-card:hover {
            border-color: rgba(124, 58, 237, .35);
            box-shadow: 0 8px 32px rgba(124, 58, 237, .2);
        }

        .review-card.offset {
            margin-top: 12px;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: .75rem;
            margin-bottom: 1rem;
        }

        .review-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .review-name {
            font-size: .9rem;
            color: var(--text-main);
            font-weight: 600;
        }

        .review-stars {
            color: #FBBF24;
            font-size: .8rem;
            letter-spacing: 1px;
        }

        .review-text {
            font-size: .875rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: .75rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .review-source {
            font-size: .75rem;
            color: var(--text-muted);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--bg-section);
        }

        .cta-box {
            position: relative;
            border-radius: 24px;
            background: linear-gradient(135deg, rgba(124, 58, 237, .25), rgba(6, 182, 212, .15));
            border: 1px solid rgba(124, 58, 237, .4);
            padding: 3.5rem 2rem;
            text-align: center;
            overflow: hidden;
        }

        .cta-box .float-icons {
            position: absolute;
            opacity: .15;
            pointer-events: none;
        }

        .cta-icon-1 {
            top: 30px;
            left: 40px;
        }

        .cta-icon-2 {
            bottom: 30px;
            right: 50px;
        }

        .cta-icon-3 {
            top: 50%;
            left: 15%;
        }

        .cta-title {
            font-size: clamp(1.5rem, 2.8vw, 2.25rem);
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: .5rem;
        }

        .cta-text {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 480px;
            margin: 0 auto 1.5rem;
        }

        /* ===== FAQ Section ===== */
        .faq-section {
            background: var(--bg-dark);
        }

        .custom-accordion {
            border-radius: 16px;
            overflow: hidden;
        }

        .custom-accordion .accordion-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, .06);
            border-radius: 12px;
            margin-bottom: .75rem;
            overflow: hidden;
        }

        .custom-accordion .accordion-item:last-child {
            margin-bottom: 0;
        }

        .custom-accordion .accordion-header {
            margin: 0;
        }

        .custom-accordion .accordion-button {
            background: var(--bg-card);
            color: var(--text-main);
            font-weight: 600;
            font-size: .95rem;
            padding: 1.1rem 1.25rem;
            box-shadow: none;
            border: none;
            transition: background .25s ease;
        }

        .custom-accordion .accordion-button:not(.collapsed) {
            background: rgba(124, 58, 237, .15);
            color: var(--text-highlight);
        }

        .custom-accordion .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid rgba(124, 58, 237, .4);
            outline-offset: -2px;
        }

        .custom-accordion .accordion-button::after {
            background-size: 1rem;
            filter: invert(1);
            opacity: .7;
        }

        .custom-accordion .accordion-body {
            background: var(--bg-card);
            color: var(--text-secondary);
            font-size: .9rem;
            line-height: 1.7;
            padding: 0 1.25rem 1.25rem;
        }

        /* ===== News Section ===== */
        .news-section {
            background: var(--bg-section);
            padding-bottom: 4.5rem;
        }

        .news-section .section-bottom-line {
            border-top: 1px solid rgba(124, 58, 237, .3);
            margin-top: 3rem;
        }

        .news-card {
            background: var(--bg-card);
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, .06);
            padding: 1.25rem;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: all .3s ease;
            text-decoration: none;
            color: inherit;
            position: relative;
        }

        .news-card:hover {
            border-color: rgba(124, 58, 237, .4);
            box-shadow: 0 8px 32px rgba(124, 58, 237, .25);
            transform: translateY(-4px);
            color: inherit;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: .75rem;
            margin-bottom: .75rem;
        }

        .news-badge {
            display: inline-block;
            font-size: .7rem;
            font-weight: 700;
            color: var(--text-highlight);
            background: rgba(124, 58, 237, .15);
            border: 1px solid rgba(124, 58, 237, .3);
            padding: .15rem .5rem;
            border-radius: 4px;
        }

        .news-time {
            font-size: .75rem;
            color: var(--text-muted);
        }

        .news-card h3 {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: .5rem;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-excerpt {
            font-size: .85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 1rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex-grow: 1;
        }

        .read-more {
            font-size: .85rem;
            color: var(--accent);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: .3rem;
        }

        .news-card:hover .read-more {
            color: var(--text-highlight);
        }

        .empty-state {
            background: var(--bg-card);
            border-radius: 16px;
            border: 1px dashed rgba(255, 255, 255, .1);
            padding: 3rem 1.5rem;
            text-align: center;
            color: var(--text-muted);
        }

        .empty-state svg {
            width: 40px;
            height: 40px;
            margin-bottom: 1rem;
            color: var(--text-muted);
        }

        .empty-state p {
            font-size: .9rem;
            margin: 0;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #080C14;
            border-top: 1px solid rgba(124, 58, 237, .3);
            padding: 3.5rem 0 2rem;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: .6rem;
            margin-bottom: 1rem;
        }

        .footer-brand .brand-text {
            font-size: 1.1rem;
        }

        .footer-desc {
            font-size: .85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            max-width: 300px;
        }

        .footer-title {
            font-size: .95rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 1rem;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: .5rem;
        }

        .footer-links a {
            color: var(--text-secondary);
            font-size: .875rem;
            transition: color .25s ease;
        }

        .footer-links a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .05);
            padding-top: 1.5rem;
            margin-top: 2.5rem;
            text-align: center;
        }

        .footer-copy {
            font-size: .8rem;
            color: var(--text-muted);
        }

        .footer-copy a {
            color: var(--text-muted);
        }

        .footer-copy a:hover {
            color: var(--accent);
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .main-nav .container {
                flex-wrap: wrap;
            }

            .main-menu {
                margin: 0;
                padding: 1rem 0;
                gap: .25rem;
            }

            .main-menu .nav-link {
                padding: .6rem .5rem;
            }

            .nav-cta {
                padding: .5rem 0 1rem;
            }

            .hero-section {
                padding: 3.5rem 0;
            }

            .hero-visual {
                margin-top: 2.5rem;
            }
        }

        @media (max-width: 767.98px) {
            section {
                padding: 3rem 0;
            }

            .hero-buttons {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-buttons .btn {
                width: 100%;
                justify-content: center;
            }

            .hero-trust {
                gap: 1rem;
            }

            .visual-frame {
                max-width: 280px;
            }

            .hot-card {
                flex-basis: 220px;
                min-width: 220px;
            }

            .review-card.offset {
                margin-top: 0;
            }

            .cta-box {
                padding: 2.5rem 1.25rem;
            }

            .cta-title {
                font-size: 1.35rem;
            }
        }

        @media (max-width: 575.98px) {
            .container {
                padding-left: .75rem;
                padding-right: .75rem;
            }

            .brand-text {
                font-size: 1.1rem;
            }

            .brand-icon {
                width: 28px;
                height: 28px;
            }

            .hero-title {
                font-size: 2rem;
            }

            .hero-subtitle {
                font-size: .9rem;
            }

            .trust-item {
                font-size: .72rem;
            }

            .hot-card {
                flex-basis: 200px;
                min-width: 200px;
            }

            .pick-rank {
                padding: .75rem;
            }

            .rank-thumb {
                width: 40px;
                height: 40px;
            }
        }

/* roulang page: article */
:root {
            --primary: #7C3AED;
            --primary-dark: #4F46E5;
            --accent: #06B6D4;
            --cta: #F97316;
            --cta-end: #F43F5E;
            --bg-deep: #0B0F1A;
            --bg-section: #111827;
            --bg-card: #1A2130;
            --bg-card-hover: #232C3D;
            --bg-float: #151B28;
            --border-main: rgba(255,255,255,.08);
            --border-neon: rgba(124,58,237,.3);
            --text-main: #F3F4F6;
            --text-sub: #9CA3AF;
            --text-weak: #6B7280;
            --text-neon: #A78BFA;
            --radius-lg: 16px;
            --radius-md: 12px;
            --shadow-card: 0 4px 16px rgba(0,0,0,.3);
            --shadow-hover: 0 8px 32px rgba(124,58,237,.25);
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg-deep);
            color: var(--text-main);
            line-height: 1.75;
            overflow-x: hidden;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color .25s ease;
        }
        a:hover {
            color: #22D3EE;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .container {
            max-width: 1280px;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(11,15,26,.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-neon);
        }
        .main-nav {
            padding: .75rem 0;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: .6rem;
            padding: 0;
        }
        .brand-icon {
            width: 34px;
            height: 34px;
            flex-shrink: 0;
        }
        .brand-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: .02em;
        }
        .main-menu {
            gap: .5rem;
        }
        .main-menu .nav-link {
            font-size: .95rem;
            color: var(--text-sub);
            padding: .5rem 1rem !important;
            position: relative;
            border-radius: 6px;
            transition: color .25s ease;
        }
        .main-menu .nav-link:hover {
            color: #fff;
        }
        .main-menu .nav-link::after {
            content: "";
            position: absolute;
            left: 1rem;
            right: 1rem;
            bottom: 0;
            height: 2px;
            background: var(--accent);
            box-shadow: 0 0 8px rgba(6,182,212,.6);
            transform: scaleX(0);
            transform-origin: center;
            transition: transform .3s ease;
            border-radius: 2px;
        }
        .main-menu .nav-link:hover::after {
            transform: scaleX(1);
        }
        .main-menu .nav-link.active {
            color: var(--text-neon);
            text-shadow: 0 0 12px rgba(167,139,250,.4);
        }
        .main-menu .nav-link.active::after {
            transform: scaleX(1);
        }
        .btn-cta {
            background: linear-gradient(135deg, var(--cta), var(--cta-end));
            border: none;
            color: #fff !important;
            border-radius: 8px;
            padding: .5rem 1.25rem;
            font-weight: 600;
            font-size: .95rem;
            box-shadow: 0 0 16px rgba(249,115,22,.35);
            transition: all .25s ease;
        }
        .btn-cta:hover {
            box-shadow: 0 0 24px rgba(249,115,22,.6);
            transform: translateY(-1px);
            color: #fff !important;
        }
        .btn-cta:active {
            transform: translateY(0);
        }
        .custom-toggler {
            border: 1px solid rgba(255,255,255,.15);
            padding: .4rem .65rem;
            border-radius: 8px;
        }
        .custom-toggler:focus {
            box-shadow: 0 0 0 3px rgba(124,58,237,.3);
        }
        .toggler-bar {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-main);
            margin: 5px 0;
            border-radius: 2px;
            transition: all .3s ease;
        }
        @media (max-width: 991.98px) {
            .main-menu {
                gap: 0;
                padding: .5rem 0;
            }
            .main-menu .nav-link {
                padding: .6rem 1rem !important;
                border-left: 3px solid transparent;
            }
            .main-menu .nav-link::after {
                display: none;
            }
            .main-menu .nav-link.active {
                border-left-color: var(--accent);
                background: rgba(6,182,212,.06);
            }
            .nav-cta {
                padding: .75rem 1rem .5rem;
            }
            .nav-cta .btn-cta {
                width: 100%;
            }
        }
        .page-breadcrumb {
            padding: 1.5rem 0 0;
            font-size: .82rem;
            color: var(--text-weak);
        }
        .page-breadcrumb a {
            color: var(--text-weak);
            transition: color .25s ease;
        }
        .page-breadcrumb a:hover {
            color: var(--accent);
        }
        .page-breadcrumb .sep {
            margin: 0 .45rem;
            color: rgba(255,255,255,.2);
        }
        .article-head {
            padding: 1.5rem 0 1.25rem;
            border-bottom: 1px solid rgba(255,255,255,.06);
            margin-bottom: 2rem;
        }
        .article-head h1 {
            font-size: clamp(1.4rem, 2.5vw, 1.75rem);
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: .6rem;
            margin-top: .8rem;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.25rem;
            font-size: .85rem;
            color: var(--text-sub);
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: .35rem;
        }
        .article-meta i {
            color: var(--text-neon);
            font-size: .8rem;
        }
        .article-meta .cat-badge {
            display: inline-block;
            background: rgba(6,182,212,.12);
            border: 1px solid rgba(6,182,212,.3);
            color: #22D3EE;
            padding: .1rem .6rem;
            border-radius: 999px;
            font-size: .75rem;
            font-weight: 500;
        }
        .article-layout {
            padding-bottom: 4rem;
        }
        .article-content-wrap {
            background: #0F1420;
            border: 1px solid rgba(255,255,255,.05);
            border-radius: 16px;
            padding: clamp(1.25rem, 3vw, 2rem);
        }
        .article-content {
            color: #D1D5DB;
            line-height: 1.85;
            font-size: 1rem;
        }
        .article-content p {
            margin-bottom: 1.5rem;
        }
        .article-content h2 {
            color: var(--text-main);
            font-size: 1.35rem;
            font-weight: 700;
            margin: 2rem 0 .75rem;
            padding-left: .8rem;
            border-left: 3px solid var(--primary);
        }
        .article-content h3 {
            color: var(--text-main);
            font-size: 1.15rem;
            font-weight: 600;
            margin: 1.75rem 0 .6rem;
        }
        .article-content img {
            max-width: 100%;
            border-radius: 12px;
            margin: 1.5em 0;
            border: 1px solid rgba(255,255,255,.06);
        }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(124,58,237,.06);
            padding: 1rem 1.25rem;
            border-radius: 0 8px 8px 0;
            margin: 1.5rem 0;
            color: var(--text-sub);
        }
        .article-content blockquote p {
            margin-bottom: 0;
        }
        .article-content ul,
        .article-content ol {
            margin: 1rem 0 1.25rem;
            padding-left: 1.5rem;
        }
        .article-content li {
            margin-bottom: .4rem;
        }
        .article-content a {
            color: var(--accent);
            border-bottom: 1px solid rgba(6,182,212,.3);
        }
        .article-content a:hover {
            color: #22D3EE;
            border-bottom-color: #22D3EE;
        }
        .article-content pre {
            background: var(--bg-deep);
            border-radius: 8px;
            padding: 1rem 1.25rem;
            overflow-x: auto;
            border: 1px solid rgba(255,255,255,.06);
            color: #A78BFA;
            font-size: .9rem;
            margin: 1.5rem 0;
        }
        .article-content code {
            color: #A78BFA;
            background: rgba(124,58,237,.08);
            padding: .1rem .35rem;
            border-radius: 4px;
            font-size: .9em;
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
        }
        .article-content th,
        .article-content td {
            border: 1px solid rgba(255,255,255,.08);
            padding: .6rem .8rem;
            font-size: .9rem;
        }
        .article-content th {
            background: rgba(124,58,237,.08);
            color: var(--text-main);
            font-weight: 600;
        }
        .article-tags {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,.06);
            display: flex;
            flex-wrap: wrap;
            gap: .5rem;
        }
        .article-tags a {
            display: inline-block;
            background: rgba(255,255,255,.04);
            border: 1px solid rgba(255,255,255,.08);
            border-radius: 999px;
            padding: .25rem .8rem;
            font-size: .78rem;
            color: var(--text-sub);
            transition: all .25s ease;
        }
        .article-tags a:hover {
            border-color: var(--primary);
            color: var(--text-main);
            background: rgba(124,58,237,.08);
        }
        .article-empty {
            text-align: center;
            padding: 4rem 2rem;
        }
        .article-empty .empty-icon {
            font-size: 3rem;
            color: var(--text-weak);
            margin-bottom: 1rem;
        }
        .article-empty h3 {
            font-size: 1.25rem;
            color: var(--text-main);
            margin-bottom: .5rem;
        }
        .article-empty p {
            color: var(--text-weak);
            font-size: .95rem;
            margin-bottom: 1.5rem;
        }
        .btn-neon {
            display: inline-block;
            background: transparent;
            border: 1px solid var(--accent);
            color: var(--accent) !important;
            border-radius: 10px;
            padding: .6rem 1.5rem;
            font-weight: 600;
            font-size: .95rem;
            transition: all .25s ease;
        }
        .btn-neon:hover {
            background: rgba(6,182,212,.1);
            box-shadow: 0 0 12px rgba(6,182,212,.3);
            color: #22D3EE !important;
            transform: translateY(-1px);
        }
        .post-nav {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            margin-top: 2rem;
        }
        .post-nav-link {
            background: var(--bg-card);
            border: 1px solid rgba(255,255,255,.06);
            border-radius: 12px;
            padding: 1rem 1.25rem;
            transition: all .3s ease;
            display: block;
        }
        .post-nav-link:hover {
            border-color: rgba(124,58,237,.4);
            box-shadow: var(--shadow-hover);
            text-decoration: none;
        }
        .post-nav-link.next {
            text-align: right;
        }
        .post-nav-link .label {
            font-size: .75rem;
            color: var(--text-weak);
            margin-bottom: .2rem;
        }
        .post-nav-link .title {
            font-size: .9rem;
            color: var(--text-main);
            font-weight: 600;
            line-height: 1.4;
        }
        .side-card {
            background: var(--bg-card);
            border: 1px solid rgba(255,255,255,.06);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: var(--shadow-card);
        }
        .side-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 1.25rem;
            position: relative;
            padding-left: .9rem;
        }
        .side-card-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 18px;
            background: linear-gradient(180deg, var(--primary), var(--accent));
            border-radius: 3px;
        }
        .side-related-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .side-related-list li {
            border-bottom: 1px solid rgba(255,255,255,.05);
            padding: .8rem 0;
        }
        .side-related-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .side-related-list a {
            display: flex;
            gap: .75rem;
            align-items: flex-start;
            color: var(--text-main);
            transition: all .25s ease;
        }
        .side-related-list a:hover {
            color: var(--accent);
        }
        .side-related-list .thumb {
            width: 64px;
            height: 64px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
            border: 1px solid rgba(255,255,255,.06);
            transition: border-color .25s ease;
        }
        .side-related-list a:hover .thumb {
            border-color: var(--primary);
        }
        .side-related-list .rel-title {
            font-size: .875rem;
            font-weight: 600;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: .2rem;
        }
        .side-related-list .rel-date {
            font-size: .75rem;
            color: var(--text-weak);
        }
        .side-back-btn {
            margin-top: 1rem;
        }
        .side-back-btn .btn-neon {
            width: 100%;
            text-align: center;
            justify-content: center;
        }
        .article-sidebar-secondary {
            background: var(--bg-card);
            border: 1px solid rgba(255,255,255,.06);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            background-image: linear-gradient(135deg, rgba(124,58,237,.08), rgba(6,182,212,.05));
        }
        .article-sidebar-secondary h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: .6rem;
        }
        .article-sidebar-secondary p {
            font-size: .85rem;
            color: var(--text-sub);
            margin-bottom: 1rem;
        }
        .site-footer {
            background: #080C14;
            border-top: 1px solid var(--border-neon);
            padding: 3.5rem 0 2rem;
            margin-top: 2rem;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: .6rem;
            margin-bottom: .75rem;
        }
        .footer-brand .brand-text {
            font-size: 1.1rem;
        }
        .footer-desc {
            font-size: .875rem;
            color: var(--text-sub);
            margin-bottom: 0;
            line-height: 1.7;
        }
        .footer-title {
            font-size: .95rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 1rem;
            letter-spacing: .05em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: .5rem;
        }
        .footer-links a {
            color: var(--text-sub);
            font-size: .875rem;
            transition: color .25s ease;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,.05);
            text-align: center;
        }
        .footer-copy {
            font-size: .8rem;
            color: var(--text-weak);
            margin-bottom: 0;
        }
        .neon-divider {
            height: 1px;
            background: linear-gradient(90deg, var(--primary), transparent);
            width: 100%;
            margin: 0;
            border: none;
            opacity: .5;
        }
        .section-label {
            display: inline-block;
            background: rgba(6,182,212,.1);
            border: 1px solid rgba(6,182,212,.25);
            color: #22D3EE;
            font-size: .75rem;
            font-weight: 600;
            letter-spacing: .1em;
            padding: .25rem .85rem;
            border-radius: 999px;
            margin-bottom: .75rem;
        }
        @media (max-width: 991.98px) {
            .post-nav {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                margin-top: 2rem;
            }
        }
        @media (max-width: 767.98px) {
            .article-head {
                padding: 1.25rem 0 1rem;
                margin-bottom: 1.5rem;
            }
            .article-head h1 {
                font-size: 1.3rem;
            }
            .article-meta {
                gap: .75rem;
                font-size: .78rem;
            }
            .article-content-wrap {
                padding: 1.25rem;
                border-radius: 12px;
            }
            .article-content {
                font-size: .95rem;
            }
            .article-content h2 {
                font-size: 1.2rem;
            }
            .post-nav {
                grid-template-columns: 1fr;
            }
            .site-footer {
                padding: 2.5rem 0 1.5rem;
            }
            .footer-title {
                margin-bottom: .75rem;
            }
        }
        @media (max-width: 575.98px) {
            .side-related-list .thumb {
                width: 56px;
                height: 56px;
            }
            .article-meta span {
                margin-bottom: .2rem;
            }
            .article-meta {
                gap: .5rem;
                row-gap: .4rem;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #7C3AED;
            --primary-dark: #4F46E5;
            --accent: #06B6D4;
            --cta: #F97316;
            --cta-secondary: #F43F5E;
            --bg-deep: #0B0F1A;
            --bg-section: #111827;
            --bg-card: #1A2130;
            --bg-card-hover: #232C3D;
            --bg-float: #151B28;
            --border-soft: rgba(255, 255, 255, .08);
            --text-main: #F3F4F6;
            --text-secondary: #9CA3AF;
            --text-muted: #6B7280;
            --text-neon: #A78BFA;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, .3);
            --shadow-neon: 0 8px 32px rgba(124, 58, 237, .25);
            --transition: all .25s ease;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg-deep);
            color: var(--text-main);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s ease;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: 1280px;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        /* ===== Bootstrap 变量覆盖 ===== */
        :root {
            --bs-primary: #7C3AED;
            --bs-body-bg: #0B0F1A;
            --bs-link-color: #06B6D4;
            --bs-link-hover-color: #22D3EE;
        }
        .btn:focus,
        .btn:active:focus,
        .form-control:focus {
            box-shadow: 0 0 0 .2rem rgba(124, 58, 237, .25);
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 15, 26, .92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(124, 58, 237, .3);
        }
        .main-nav {
            background: transparent;
            padding: .75rem 0;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: .6rem;
            margin: 0;
        }
        .brand-icon {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
        }
        .brand-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-main);
            white-space: nowrap;
            letter-spacing: .02em;
        }
        .main-menu {
            gap: .25rem;
        }
        .nav-link {
            font-size: .95rem;
            color: var(--text-secondary) !important;
            padding: .5rem .9rem !important;
            position: relative;
            border-radius: 6px;
            font-weight: 500;
        }
        .nav-link:hover {
            color: #fff !important;
        }
        .nav-link::after {
            content: "";
            position: absolute;
            left: .9rem;
            right: .9rem;
            bottom: .1rem;
            height: 2px;
            background: var(--accent);
            box-shadow: 0 0 8px rgba(6, 182, 212, .6);
            transform: scaleX(0);
            transform-origin: center;
            transition: transform .25s ease;
            border-radius: 2px;
        }
        .nav-link:hover::after {
            transform: scaleX(1);
        }
        .nav-link.active {
            color: var(--text-neon) !important;
            font-weight: 600;
        }
        .nav-link.active::after {
            transform: scaleX(1);
        }
        .nav-cta {
            margin-left: .5rem;
        }
        .btn-cta {
            background: linear-gradient(135deg, #F97316, #F43F5E);
            color: #fff !important;
            border: none;
            border-radius: 8px;
            padding: .5rem 1.25rem;
            font-weight: 600;
            box-shadow: 0 0 16px rgba(249, 115, 22, .35);
            transition: var(--transition);
            display: inline-block;
        }
        .btn-cta:hover {
            box-shadow: 0 0 24px rgba(249, 115, 22, .6);
            transform: translateY(-1px);
            color: #fff !important;
        }
        .custom-toggler {
            border: 1px solid rgba(255, 255, 255, .2);
            padding: .35rem .6rem;
            background: transparent;
            border-radius: 8px;
            outline: none;
        }
        .custom-toggler:focus {
            border-color: var(--accent);
            box-shadow: 0 0 8px rgba(6, 182, 212, .35);
        }
        .toggler-bar {
            display: block;
            width: 22px;
            height: 2px;
            background: #F3F4F6;
            margin: 5px 0;
            border-radius: 2px;
            transition: var(--transition);
        }

        /* ===== 按钮系统 ===== */
        .btn-primary-neon {
            background: linear-gradient(135deg, #7C3AED 0%, #4F46E5 100%);
            border: none;
            border-radius: 10px;
            color: #fff;
            font-weight: 600;
            padding: .7rem 1.5rem;
            display: inline-block;
            transition: var(--transition);
        }
        .btn-primary-neon:hover {
            box-shadow: 0 8px 24px rgba(124, 58, 237, .4);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline-cyan {
            background: transparent;
            border: 1px solid var(--accent);
            color: var(--accent);
            border-radius: 10px;
            padding: .7rem 1.5rem;
            font-weight: 600;
            display: inline-block;
            transition: var(--transition);
        }
        .btn-outline-cyan:hover {
            background: rgba(6, 182, 212, .1);
            box-shadow: 0 0 12px rgba(6, 182, 212, .35);
            color: #22D3EE;
        }
        .btn-big-cta {
            background: linear-gradient(135deg, #F97316, #F43F5E);
            color: #fff;
            border: none;
            border-radius: 14px;
            padding: 1rem 2.5rem;
            font-size: 1.1rem;
            font-weight: 700;
            box-shadow: 0 0 24px rgba(249, 115, 22, .4);
            display: inline-block;
            transition: var(--transition);
        }
        .btn-big-cta:hover {
            transform: scale(1.03);
            box-shadow: 0 0 32px rgba(249, 115, 22, .6);
            color: #fff;
        }

        /* ===== 分类页 Hero ===== */
        .category-hero {
            position: relative;
            padding: 3rem 0;
            background: linear-gradient(135deg, rgba(124, 58, 237, .25), rgba(11, 15, 26, .88)), url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
            border-bottom: 1px solid rgba(255, 255, 255, .06);
            overflow: hidden;
        }
        .category-hero::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(124, 58, 237, .22);
            filter: blur(80px);
            pointer-events: none;
        }
        .hero-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            position: relative;
            z-index: 2;
        }
        .category-hero h1 {
            font-size: 1.75rem;
            font-weight: 800;
            margin-bottom: .5rem;
            color: var(--text-main);
        }
        .category-hero h1 span {
            color: var(--text-neon);
        }
        .category-hero p {
            color: var(--text-secondary);
            font-size: .95rem;
            max-width: 680px;
            margin-bottom: 0;
        }
        .breadcrumb-links {
            font-size: .8rem;
            color: var(--text-muted);
            display: flex;
            gap: .5rem;
            align-items: center;
            flex-shrink: 0;
        }
        .breadcrumb-links a {
            color: var(--text-muted);
            transition: color .25s ease;
        }
        .breadcrumb-links a:hover {
            color: var(--accent);
        }
        .bc-sep {
            color: var(--text-muted);
            opacity: .6;
        }
        .bc-current {
            color: var(--text-secondary);
        }

        /* ===== 通用板块 ===== */
        .section-block {
            padding: 4.5rem 0;
        }
        .section-head {
            margin-bottom: 2rem;
        }
        .eyebrow {
            font-size: .75rem;
            letter-spacing: .1em;
            color: var(--accent);
            text-transform: uppercase;
            font-weight: 600;
            display: block;
            margin-bottom: .35rem;
        }
        .section-title {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: .5rem;
        }
        .section-divider {
            width: 48px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), transparent);
            border-radius: 3px;
            margin: 12px 0 16px;
        }
        .section-desc {
            color: var(--text-secondary);
            font-size: .95rem;
            max-width: 720px;
        }

        /* ===== 内容卡片区 ===== */
        .game-grid {
            background: var(--bg-section);
        }
        .category-card {
            background: var(--bg-card);
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, .06);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            position: relative;
        }
        .category-card::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: opacity .25s ease;
        }
        .category-card:hover {
            border-color: rgba(124, 58, 237, .4);
            box-shadow: var(--shadow-neon);
            transform: translateY(-4px);
        }
        .category-card:hover::after {
            opacity: 1;
        }
        .card-media {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }
        .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }
        .category-card:hover .card-media img {
            transform: scale(1.05);
        }
        .badge-game {
            position: absolute;
            top: 12px;
            left: 12px;
            background: linear-gradient(135deg, rgba(124, 58, 237, .92), rgba(79, 70, 229, .92));
            color: #fff;
            font-size: .75rem;
            padding: .2rem .7rem;
            border-radius: 20px;
            font-weight: 600;
            z-index: 2;
            box-shadow: 0 2px 8px rgba(0, 0, 0, .25);
            letter-spacing: .02em;
        }
        .category-card .card-body {
            padding: 1.25rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .category-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: .5rem;
        }
        .card-desc {
            font-size: .875rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 1rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: .75rem;
        }
        .rating {
            color: #FBBF24;
            font-size: .8rem;
            font-weight: 600;
        }
        .hot-tag {
            color: #F87171;
            font-size: .75rem;
            font-weight: 500;
        }
        .card-divider {
            height: 1px;
            background: rgba(255, 255, 255, .06);
            margin-bottom: .75rem;
        }
        .card-link {
            color: var(--accent);
            font-size: .85rem;
            font-weight: 600;
            transition: color .25s ease;
        }
        .card-link:hover {
            color: #22D3EE;
        }

        /* ===== 类型方向区 ===== */
        .types-section {
            background: var(--bg-deep);
        }
        .types-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .type-card {
            background: var(--bg-card);
            border-radius: 16px;
            padding: 1.5rem;
            border: 1px solid rgba(255, 255, 255, .06);
            transition: var(--transition);
            height: 100%;
        }
        .type-card:hover {
            border-color: rgba(124, 58, 237, .4);
            box-shadow: 0 8px 24px rgba(124, 58, 237, .18);
            transform: translateY(-3px);
        }
        .type-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(124, 58, 237, .2), rgba(6, 182, 212, .2));
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
            color: var(--text-neon);
            font-size: 1.2rem;
            font-weight: 800;
            border: 1px solid rgba(124, 58, 237, .25);
        }
        .type-card h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: .35rem;
        }
        .type-card p {
            font-size: .85rem;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ===== 数据统计条 ===== */
        .stats-bar {
            background: var(--bg-section);
            border-top: 1px solid rgba(255, 255, 255, .05);
            padding: 3rem 0;
        }
        .stat-item {
            text-align: center;
            padding: .5rem 0;
        }
        .stat-num {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 800;
            color: var(--text-neon);
            line-height: 1.2;
        }
        .stat-label {
            font-size: .85rem;
            color: var(--text-muted);
            margin-top: .35rem;
        }

        /* ===== 口碑条 ===== */
        .reviews-section {
            background: var(--bg-deep);
        }
        .review-card {
            background: var(--bg-card);
            border-radius: 16px;
            padding: 1.5rem;
            height: 100%;
            position: relative;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }
        .review-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 16px 16px 0 0;
        }
        .review-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(124, 58, 237, .2);
        }
        .review-head {
            display: flex;
            align-items: center;
            gap: .75rem;
            margin-bottom: .75rem;
        }
        .review-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .review-name {
            font-size: .9rem;
            color: var(--text-main);
            font-weight: 600;
        }
        .review-stars {
            color: #FBBF24;
            font-size: .8rem;
        }
        .review-text {
            font-size: .875rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: .75rem;
        }
        .review-source {
            font-size: .75rem;
            color: var(--text-muted);
        }
        .review-mid {
            margin-top: 12px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-section);
        }
        .faq-accordion {
            max-width: 860px;
            margin: 0 auto;
        }
        .accordion-item {
            background: var(--bg-card) !important;
            border: 1px solid rgba(255, 255, 255, .08) !important;
            border-radius: 14px !important;
            margin-bottom: 1rem;
            overflow: hidden;
        }
        .accordion-button {
            background: var(--bg-card) !important;
            color: var(--text-main) !important;
            font-weight: 600;
            font-size: 1rem;
            padding: 1rem 1.25rem;
            box-shadow: none !important;
            border: none;
        }
        .accordion-button:not(.collapsed) {
            color: var(--text-neon) !important;
            background: var(--bg-card-hover) !important;
        }
        .accordion-button::after {
            filter: invert(75%) sepia(60%) saturate(400%) hue-rotate(200deg);
        }
        .accordion-button:focus {
            box-shadow: none !important;
        }
        .accordion-body {
            color: var(--text-secondary);
            font-size: .925rem;
            line-height: 1.75;
            padding: 0 1.25rem 1.25rem;
            border-top: 1px solid rgba(255, 255, 255, .04);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-deep);
            padding: 4.5rem 0;
        }
        .cta-box {
            background: linear-gradient(135deg, rgba(124, 58, 237, .25), rgba(6, 182, 212, .15));
            border: 1px solid rgba(124, 58, 237, .4);
            border-radius: 24px;
            padding: 3rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-box h2 {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: .75rem;
        }
        .cta-box p {
            color: var(--text-secondary);
            max-width: 620px;
            margin: 0 auto 1.75rem;
        }
        .cta-box::before,
        .cta-box::after {
            content: "";
            position: absolute;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(124, 58, 237, .18);
            filter: blur(50px);
            pointer-events: none;
        }
        .cta-box::before {
            top: -40px;
            left: -30px;
        }
        .cta-box::after {
            bottom: -40px;
            right: -30px;
            width: 140px;
            height: 140px;
            background: rgba(6, 182, 212, .16);
        }

        /* ===== 静态横幅 ===== */
        .static-banner {
            background: var(--bg-card);
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, .06);
            padding: 1.75rem 2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
            position: relative;
            overflow: hidden;
            transition: var(--transition);
        }
        .static-banner::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: linear-gradient(180deg, var(--primary), var(--accent));
        }
        .static-banner:hover {
            border-color: rgba(124, 58, 237, .35);
            box-shadow: 0 6px 24px rgba(124, 58, 237, .15);
        }
        .static-banner-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: .25rem;
        }
        .static-banner-desc {
            font-size: .85rem;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #080C14;
            border-top: 1px solid rgba(124, 58, 237, .3);
            padding: 3.5rem 0 2rem;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: .6rem;
            margin-bottom: .75rem;
        }
        .footer-brand .brand-text {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-main);
        }
        .footer-desc {
            font-size: .875rem;
            color: var(--text-muted);
            max-width: 420px;
            line-height: 1.7;
        }
        .footer-title {
            font-size: .95rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 1rem;
        }
        .footer-links li {
            margin-bottom: .5rem;
        }
        .footer-links a {
            font-size: .875rem;
            color: var(--text-secondary);
            transition: color .25s ease;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .06);
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            text-align: center;
        }
        .footer-copy {
            font-size: .8rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .types-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .main-menu {
                gap: 0;
                padding-top: .5rem;
            }
            .nav-cta {
                margin-left: 0;
                margin-top: .75rem;
                padding-bottom: .5rem;
            }
            .btn-cta {
                width: 100%;
                text-align: center;
            }
        }
        @media (max-width: 767.98px) {
            .section-block {
                padding: 3rem 0;
            }
            .category-hero {
                padding: 2.25rem 0;
            }
            .hero-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }
            .breadcrumb-links {
                font-size: .75rem;
            }
            .types-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .category-card {
                border-radius: 12px;
            }
            .static-banner {
                flex-direction: column;
                align-items: flex-start;
                padding: 1.5rem;
            }
            .static-banner .btn-primary-neon {
                width: 100%;
                text-align: center;
            }
            .cta-box {
                padding: 2rem 1.25rem;
                border-radius: 18px;
            }
            .review-mid {
                margin-top: 0;
            }
            .footer-bottom {
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .types-grid {
                grid-template-columns: 1fr;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .btn-big-cta {
                width: 100%;
                padding: .95rem 1.5rem;
                font-size: 1rem;
            }
        }

/* roulang page: category2 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #7C3AED;
            --primary-deep: #4F46E5;
            --accent: #06B6D4;
            --cta: #F97316;
            --cta-deep: #F43F5E;
            --bg-dark: #0B0F1A;
            --bg-section: #111827;
            --bg-card: #1A2130;
            --bg-card-hover: #232C3D;
            --bg-pop: #151B28;
            --border-color: rgba(255, 255, 255, .08);
            --border-neon: rgba(124, 58, 237, .3);
            --text-primary: #F3F4F6;
            --text-secondary: #9CA3AF;
            --text-muted: #6B7280;
            --text-neon: #A78BFA;
            --star: #FBBF24;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, .3);
            --shadow-primary: 0 8px 24px rgba(124, 58, 237, .4);
            --shadow-cta: 0 0 16px rgba(249, 115, 22, .35);
            --font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: all .25s ease;
        }

        /* ========== 基础重置 ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-family);
            background-color: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--text-neon);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .color-link {
            color: var(--accent);
        }
        .color-link:hover {
            color: var(--text-neon);
        }

        /* ========== Bootstrap 基础覆盖 ========== */
        :root {
            --bs-primary: #7C3AED;
            --bs-body-bg: #0B0F1A;
            --bs-body-color: #F3F4F6;
            --bs-link-color: #06B6D4;
            --bs-link-hover-color: #A78BFA;
        }
        .btn {
            border-radius: var(--radius-sm);
        }

        /* ========== 容器 ========== */
        .container {
            max-width: 1280px;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 15, 26, .92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-neon);
        }
        .main-nav {
            padding: 0;
            min-height: 68px;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: .6rem;
            padding: .5rem 0;
        }
        .brand-icon {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
        }
        .brand-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: .02em;
            white-space: nowrap;
        }
        .main-menu {
            gap: .25rem;
        }
        .main-menu .nav-link {
            font-size: .95rem;
            color: var(--text-secondary);
            padding: .5rem .85rem;
            border-radius: 6px;
            position: relative;
            transition: var(--transition);
        }
        .main-menu .nav-link:hover {
            color: #fff;
        }
        .main-menu .nav-link:hover::after {
            content: "";
            position: absolute;
            left: .85rem;
            right: .85rem;
            bottom: 2px;
            height: 2px;
            background: var(--accent);
            box-shadow: 0 0 8px rgba(6, 182, 212, .6);
            border-radius: 2px;
        }
        .main-menu .nav-link.active {
            color: var(--text-neon);
            font-weight: 600;
        }
        .main-menu .nav-link.active::after {
            content: "";
            position: absolute;
            left: .85rem;
            right: .85rem;
            bottom: 2px;
            height: 2px;
            background: var(--accent);
            box-shadow: 0 0 8px rgba(6, 182, 212, .6);
            border-radius: 2px;
        }
        .nav-cta .btn-cta {
            background: linear-gradient(135deg, var(--cta), var(--cta-deep));
            border: none;
            color: #fff;
            font-weight: 600;
            border-radius: 8px;
            padding: .5rem 1.25rem;
            box-shadow: var(--shadow-cta);
            transition: var(--transition);
        }
        .nav-cta .btn-cta:hover {
            box-shadow: 0 0 24px rgba(249, 115, 22, .6);
            transform: translateY(-1px);
            color: #fff;
        }
        .custom-toggler {
            border: none;
            padding: .25rem .5rem;
            background: transparent;
        }
        .custom-toggler .toggler-bar {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            margin: 5px 0;
            border-radius: 2px;
            transition: var(--transition);
        }
        .custom-toggler:hover .toggler-bar {
            background: var(--accent);
        }

        /* ========== 分类 Hero ========== */
        .category-hero {
            position: relative;
            padding: 3rem 0;
            background: linear-gradient(135deg, rgba(11, 15, 26, .92), rgba(17, 24, 39, .88)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            border-bottom: 1px solid rgba(124, 58, 237, .25);
            overflow: hidden;
        }
        .category-hero::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 260px;
            height: 260px;
            background: rgba(124, 58, 237, .3);
            filter: blur(80px);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero .hero-inner {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
        }
        .category-hero .hero-text {
            max-width: 640px;
        }
        .category-hero .hero-badge {
            display: inline-block;
            font-size: .75rem;
            letter-spacing: .1em;
            text-transform: uppercase;
            color: var(--accent);
            border: 1px solid var(--accent);
            border-radius: 999px;
            padding: .2rem .8rem;
            margin-bottom: .75rem;
            box-shadow: 0 0 12px rgba(6, 182, 212, .25);
        }
        .category-hero h1 {
            font-size: clamp(1.75rem, 3vw, 2.25rem);
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: .75rem;
            letter-spacing: .01em;
        }
        .category-hero h1 .highlight {
            color: var(--text-neon);
        }
        .category-hero .hero-desc {
            font-size: .95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .category-hero .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: .5rem;
            font-size: .8rem;
            color: var(--text-muted);
            background: rgba(21, 27, 40, .6);
            border: 1px solid rgba(255, 255, 255, .06);
            border-radius: 999px;
            padding: .4rem 1rem;
            flex-shrink: 0;
        }
        .category-hero .hero-breadcrumb a {
            color: var(--text-secondary);
        }
        .category-hero .hero-breadcrumb a:hover {
            color: var(--accent);
        }

        /* ========== 数据统计区 ========== */
        .stats-section {
            padding: 3rem 0 0;
        }
        .stats-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, .06);
            border-radius: var(--radius);
            padding: 1.5rem 1.25rem;
            text-align: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .stats-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: .6;
        }
        .stats-card:hover {
            border-color: rgba(124, 58, 237, .4);
            box-shadow: var(--shadow-primary);
            transform: translateY(-3px);
        }
        .stats-card .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-neon);
            line-height: 1.2;
        }
        .stats-card .stat-label {
            font-size: .85rem;
            color: var(--text-secondary);
            margin-top: .35rem;
        }

        /* ========== 板块标题 ========== */
        .section-label {
            font-size: .75rem;
            letter-spacing: .12em;
            color: var(--accent);
            text-transform: uppercase;
            font-weight: 600;
        }
        .section-title {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            color: var(--text-primary);
            margin: .5rem 0 .5rem;
            line-height: 1.3;
        }
        .section-line {
            width: 48px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), transparent);
            border-radius: 2px;
            margin-bottom: 1rem;
        }

        /* ========== 资讯卡片网格 ========== */
        .news-section {
            padding: 4.5rem 0;
        }
        .news-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, .06);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .news-card::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }
        .news-card:hover {
            border-color: rgba(124, 58, 237, .4);
            box-shadow: var(--shadow-primary);
            transform: translateY(-4px);
        }
        .news-card:hover::after {
            opacity: 1;
        }
        .news-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: linear-gradient(135deg, #1E1B4B, #312E81);
        }
        .news-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .news-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .news-card .card-badge {
            position: absolute;
            top: .75rem;
            left: .75rem;
            z-index: 2;
            font-size: .75rem;
            font-weight: 600;
            padding: .2rem .7rem;
            border-radius: 999px;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-deep));
            box-shadow: 0 2px 10px rgba(124, 58, 237, .4);
        }
        .news-card .card-badge.cyan {
            background: linear-gradient(135deg, #0891B2, #06B6D4);
            box-shadow: 0 2px 10px rgba(6, 182, 212, .35);
        }
        .news-card .card-body {
            padding: 1.25rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .card-meta {
            display: flex;
            align-items: center;
            gap: .6rem;
            font-size: .78rem;
            color: var(--text-muted);
            margin-bottom: .5rem;
        }
        .news-card .card-meta .dot {
            width: 3px;
            height: 3px;
            border-radius: 50%;
            background: var(--text-muted);
        }
        .news-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: .5rem;
        }
        .news-card h3 a {
            color: inherit;
        }
        .news-card h3 a:hover {
            color: var(--text-neon);
        }
        .news-card .card-summary {
            font-size: .875rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 1rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .news-card .card-link {
            font-size: .875rem;
            color: var(--accent);
            font-weight: 600;
            transition: var(--transition);
        }
        .news-card .card-link:hover {
            color: var(--text-neon);
            text-decoration: underline;
        }

        /* ========== 静态横幅 ========== */
        .banner-section {
            padding: 1rem 0 3.5rem;
        }
        .banner-card {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, .06);
            border-left: 4px solid var(--primary);
            border-radius: var(--radius);
            padding: 1.75rem 2rem;
            transition: var(--transition);
        }
        .banner-card:hover {
            border-color: rgba(124, 58, 237, .3);
            box-shadow: 0 8px 32px rgba(124, 58, 237, .15);
        }
        .banner-card .banner-text {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: .25rem;
        }
        .banner-card .banner-sub {
            font-size: .875rem;
            color: var(--text-secondary);
        }
        .banner-card .btn-banner {
            background: linear-gradient(135deg, var(--primary), var(--primary-deep));
            border: none;
            color: #fff;
            font-weight: 600;
            border-radius: 10px;
            padding: .6rem 1.5rem;
            transition: var(--transition);
            white-space: nowrap;
        }
        .banner-card .btn-banner:hover {
            box-shadow: var(--shadow-primary);
            transform: translateY(-2px);
            color: #fff;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 4.5rem 0;
            background: var(--bg-section);
        }
        .accordion {
            --bs-accordion-bg: var(--bg-card);
            --bs-accordion-border-color: rgba(255, 255, 255, .08);
            --bs-accordion-btn-color: var(--text-primary);
            --bs-accordion-btn-active-color: var(--text-neon);
            --bs-accordion-body-color: var(--text-secondary);
            border-radius: var(--radius);
        }
        .accordion-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, .06);
            border-radius: 12px !important;
            margin-bottom: .75rem;
            overflow: hidden;
            transition: var(--transition);
        }
        .accordion-item:hover {
            border-color: rgba(124, 58, 237, .3);
        }
        .accordion-button {
            font-size: .95rem;
            font-weight: 600;
            color: var(--text-primary);
            background: var(--bg-card);
            padding: 1rem 1.25rem;
            box-shadow: none;
        }
        .accordion-button:not(.collapsed) {
            color: var(--text-neon);
            background: rgba(124, 58, 237, .06);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(124, 58, 237, .3);
        }
        .accordion-button::after {
            background-image: none;
            content: "+";
            font-size: 1.4rem;
            font-weight: 300;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 1.5rem;
            height: 1.5rem;
        }
        .accordion-button:not(.collapsed)::after {
            content: "−";
            color: var(--accent);
            background-image: none;
        }
        .accordion-body {
            color: var(--text-secondary);
            font-size: .9rem;
            line-height: 1.7;
            padding: .5rem 1.25rem 1.25rem;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 4.5rem 0;
        }
        .cta-box {
            position: relative;
            border-radius: 24px;
            background: linear-gradient(135deg, rgba(124, 58, 237, .25), rgba(6, 182, 212, .15));
            border: 1px solid rgba(124, 58, 237, .4);
            padding: 3rem 2rem;
            text-align: center;
            overflow: hidden;
        }
        .cta-box::before,
        .cta-box::after {
            content: "";
            position: absolute;
            width: 60px;
            height: 60px;
            background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 48 48' fill='%237C3AED' opacity='.2'%3E%3Crect x='4' y='8' width='40' height='28' rx='8'/%3E%3Cpath d='M14 18h4M14 24h8M30 18h2v4M34 18v3M26 22v2M30 24v2' stroke='%23fff' stroke-width='2.5' stroke-linecap='round'/%3E%3C/svg%3E") center/contain no-repeat;
            opacity: .15;
            pointer-events: none;
        }
        .cta-box::before {
            top: 15%;
            left: 8%;
        }
        .cta-box::after {
            bottom: 15%;
            right: 8%;
            transform: rotate(25deg);
        }
        .cta-box h2 {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: .75rem;
            position: relative;
            z-index: 2;
        }
        .cta-box p {
            font-size: .95rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 1.75rem;
            position: relative;
            z-index: 2;
        }
        .cta-box .btn-cta-large {
            background: linear-gradient(135deg, var(--cta), var(--cta-deep));
            border: none;
            color: #fff;
            font-weight: 600;
            font-size: 1.1rem;
            border-radius: 14px;
            padding: 1rem 2.5rem;
            box-shadow: 0 0 24px rgba(249, 115, 22, .4);
            transition: var(--transition);
            position: relative;
            z-index: 2;
        }
        .cta-box .btn-cta-large:hover {
            box-shadow: 0 0 36px rgba(249, 115, 22, .6);
            transform: translateY(-2px);
            color: #fff;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #080C14;
            border-top: 1px solid rgba(124, 58, 237, .3);
            padding: 3.5rem 0 2rem;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: .5rem;
            margin-bottom: .75rem;
        }
        .footer-brand .brand-text {
            font-size: 1.1rem;
        }
        .footer-desc {
            font-size: .85rem;
            color: var(--text-muted);
            max-width: 360px;
            line-height: 1.7;
        }
        .footer-title {
            font-size: .9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            letter-spacing: .04em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: .5rem;
        }
        .footer-links a {
            font-size: .85rem;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, .06);
            text-align: center;
        }
        .footer-copy {
            font-size: .8rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991px) {
            .navbar-collapse {
                background: var(--bg-pop);
                border-radius: 12px;
                padding: 1rem;
                margin-top: .5rem;
                border: 1px solid rgba(255, 255, 255, .06);
            }
            .main-menu {
                gap: 0;
            }
            .main-menu .nav-link {
                padding: .6rem .75rem;
            }
            .main-menu .nav-link.active,
            .main-menu .nav-link:hover {
                border-left: 2px solid var(--accent);
                background: rgba(124, 58, 237, .08);
            }
            .main-menu .nav-link.active::after,
            .main-menu .nav-link:hover::after {
                display: none;
            }
            .nav-cta {
                margin-top: .75rem;
            }
            .nav-cta .btn-cta {
                width: 100%;
            }
            .category-hero {
                padding: 2.5rem 0;
            }
            .category-hero .hero-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .category-hero .hero-breadcrumb {
                align-self: flex-start;
            }
            .news-section {
                padding: 3rem 0;
            }
            .faq-section,
            .cta-section {
                padding: 3rem 0;
            }
        }

        @media (max-width: 767px) {
            .brand-text {
                font-size: 1.05rem;
            }
            .category-hero {
                padding: 2rem 0;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .stats-card {
                padding: 1.1rem 1rem;
            }
            .stats-card .stat-num {
                font-size: 1.5rem;
            }
            .news-card {
                border-radius: 12px;
            }
            .news-card .card-body {
                padding: 1rem;
            }
            .banner-card {
                padding: 1.25rem 1.25rem;
                flex-direction: column;
                align-items: flex-start;
            }
            .banner-card .btn-banner {
                width: 100%;
                text-align: center;
            }
            .cta-box {
                padding: 2rem 1.25rem;
                border-radius: 16px;
            }
            .cta-box .btn-cta-large {
                width: 100%;
            }
            .accordion-button {
                font-size: .875rem;
                padding: .85rem 1rem;
            }
            .site-footer {
                padding: 2.5rem 0 1.5rem;
            }
            .footer-bottom {
                margin-top: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .brand-text {
                font-size: .95rem;
                white-space: normal;
            }
            .category-hero .hero-breadcrumb {
                font-size: .72rem;
                padding: .35rem .75rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .hero-badge {
                font-size: .68rem;
            }
        }