/* roulang page: index */
:root {
            --bg-primary: #060a13;
            --bg-secondary: #0b1220;
            --bg-footer: #04070d;
            --brand-blue: #2f7bff;
            --brand-cyan: #00d4ff;
            --accent-orange: #ff6a3d;
            --text-primary: #e8eefc;
            --text-secondary: #94a3b8;
            --text-muted: #5f6e87;
            --border-white: rgba(255, 255, 255, 0.12);
            --glass-bg: rgba(255, 255, 255, 0.05);
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-pill: 999px;
            --shadow-dark: 0 16px 32px rgba(0, 0, 0, 0.35);
            --shadow-blue: 0 0 24px rgba(47, 123, 255, 0.4);
            --shadow-orange: 0 0 24px rgba(255, 106, 61, 0.35);
            --gradient-blue: linear-gradient(135deg, #2f7bff 0%, #00d4ff 100%);
            --gradient-cta: linear-gradient(135deg, #2f7bff 0%, #00d4ff 100%);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.75;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }

        a:hover {
            color: var(--brand-cyan);
        }

        img {
            max-width: 100%;
            height: auto;
        }

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 72px;
            background: rgba(6, 10, 19, 0.72);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .brand-logo .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--gradient-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #fff;
            box-shadow: var(--shadow-blue);
            flex-shrink: 0;
        }

        .brand-logo span {
            background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
            margin-left: 32px;
        }

        .main-nav .nav-link-custom {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 0;
            position: relative;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color .2s ease;
        }

        .main-nav .nav-link-custom:hover {
            color: var(--text-primary);
        }

        .main-nav .nav-link-custom.active {
            color: var(--text-primary);
            font-weight: 600;
        }

        .main-nav .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 4px;
            border-radius: 4px;
            background: var(--gradient-blue);
            box-shadow: 0 0 12px rgba(47, 123, 255, 0.6);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
        }

        .command-search {
            display: flex;
            align-items: center;
            gap: 8px;
            height: 38px;
            padding: 0 14px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-pill);
            cursor: pointer;
            min-width: 220px;
            transition: border-color .2s ease, background .2s ease;
            user-select: none;
        }

        .command-search:hover {
            border-color: rgba(47, 123, 255, 0.5);
            background: rgba(255, 255, 255, 0.08);
        }

        .command-search i {
            color: var(--text-muted);
            font-size: 14px;
        }

        .command-search .cs-placeholder {
            flex: 1;
            font-size: 13px;
            color: var(--text-muted);
        }

        .command-search .cs-kbd {
            font-size: 11px;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 4px;
            padding: 2px 6px;
            font-weight: 600;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--gradient-cta);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            border: none;
            border-radius: var(--radius-pill);
            padding: 0 22px;
            height: 40px;
            white-space: nowrap;
            cursor: pointer;
            box-shadow: var(--shadow-blue);
            transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
        }

        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(47, 123, 255, 0.6);
            filter: brightness(1.1);
            color: #fff;
        }

        .btn-cta:active {
            transform: translateY(0px);
            box-shadow: 0 0 12px rgba(47, 123, 255, 0.3);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: var(--radius-pill);
            padding: 0 20px;
            height: 40px;
            cursor: pointer;
            transition: all .2s ease;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.28);
        }

        .search-panel {
            position: absolute;
            top: calc(100% + 8px);
            right: 0;
            width: 320px;
            background: var(--bg-secondary);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-dark);
            padding: 12px;
            display: none;
            z-index: 100;
        }

        .search-panel.open {
            display: block;
            animation: panelIn .2s ease;
        }

        @keyframes panelIn {
            from {
                opacity: 0;
                transform: translateY(-8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .search-panel .sp-title {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 8px;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            padding: 0 4px;
        }

        .search-panel .sp-links {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .search-panel .sp-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            transition: background .15s ease, color .15s ease;
        }

        .search-panel .sp-links a:hover {
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-primary);
        }

        .search-panel .sp-links a i {
            width: 20px;
            text-align: center;
            color: var(--brand-blue);
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 22px;
            cursor: pointer;
            padding: 6px;
            line-height: 1;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(6, 10, 19, 0.96);
            backdrop-filter: blur(24px);
            z-index: 2000;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            opacity: 0;
            visibility: hidden;
            transition: opacity .3s ease, visibility .3s ease;
        }

        .mobile-drawer.open {
            opacity: 1;
            visibility: visible;
        }

        .mobile-drawer .drawer-close {
            position: absolute;
            top: 20px;
            right: 20px;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 28px;
            cursor: pointer;
        }

        .mobile-drawer .drawer-links {
            display: flex;
            flex-direction: column;
            gap: 24px;
            text-align: center;
        }

        .mobile-drawer .drawer-links a {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-secondary);
        }

        .mobile-drawer .drawer-links a.active {
            color: var(--text-primary);
            border-bottom: 2px solid var(--brand-blue);
            padding-bottom: 4px;
        }

        .mobile-drawer .drawer-cta {
            margin-top: 32px;
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            padding: 140px 0 80px;
            background:
                linear-gradient(135deg, rgba(47, 123, 255, 0.10) 0%, transparent 50%),
                linear-gradient(315deg, rgba(255, 106, 61, 0.08) 0%, transparent 45%),
                radial-gradient(ellipse at 25% 30%, rgba(47, 123, 255, 0.18) 0%, transparent 60%),
                radial-gradient(ellipse at 75% 70%, rgba(255, 106, 61, 0.10) 0%, transparent 55%),
                var(--bg-primary);
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
            background-size: 30px 30px;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.18;
            pointer-events: none;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(47, 123, 255, 0.12);
            border: 1px solid rgba(47, 123, 255, 0.3);
            color: var(--brand-cyan);
            font-size: 13px;
            font-weight: 600;
            border-radius: var(--radius-pill);
            padding: 6px 18px;
            margin-bottom: 24px;
            letter-spacing: 0.04em;
        }

        .hero-badge i {
            font-size: 12px;
        }

        .hero-title {
            font-size: clamp(36px, 5vw, 58px);
            font-weight: 800;
            line-height: 1.18;
            margin-bottom: 20px;
            letter-spacing: 0.01em;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 18px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 560px;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }

        .hero-actions .btn-cta {
            height: 48px;
            padding: 0 30px;
            font-size: 15px;
        }

        .hero-actions .btn-ghost {
            height: 48px;
            padding: 0 28px;
            font-size: 15px;
        }

        .hero-stats {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat .hs-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-primary);
            font-variant-numeric: tabular-nums;
        }

        .hero-stat .hs-label {
            font-size: 13px;
            color: var(--text-muted);
        }

        .hero-stat .hs-num .orange {
            color: var(--accent-orange);
        }

        /* Hero 右侧悬浮卡 */
        .hero-visual {
            position: relative;
            z-index: 2;
            padding: 40px 0;
        }

        .hero-visual .glass-card {
            position: relative;
            border-radius: var(--radius-md);
            padding: 20px;
            min-height: 180px;
            background: var(--glass-bg);
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow-dark);
        }

        .hero-float-card {
            position: absolute;
            background: rgba(11, 18, 32, 0.85);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            padding: 12px 16px;
            backdrop-filter: blur(12px);
            box-shadow: var(--shadow-dark);
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-secondary);
            animation: floatY 4s ease-in-out infinite;
        }

        .hero-float-card .fc-icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: var(--gradient-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 12px;
            flex-shrink: 0;
        }

        .hero-float-card.fc-1 {
            top: 12%;
            right: -10px;
        }

        .hero-float-card.fc-2 {
            bottom: 20%;
            left: -16px;
            animation-delay: 2s;
        }

        @keyframes floatY {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-10px);
            }
        }

        /* ===== 品牌主张 ===== */
        .brand-statement {
            padding: 96px 0;
            background: var(--bg-secondary);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .brand-main {
            font-size: clamp(26px, 3vw, 38px);
            font-weight: 800;
            line-height: 1.35;
            color: var(--text-primary);
            max-width: 680px;
            margin-bottom: 0;
        }

        .brand-main .hl-blue {
            color: var(--brand-cyan);
            text-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
        }

        .brand-sub {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-top: 16px;
            max-width: 560px;
        }

        .brand-principles {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .principle-item {
            padding: 20px 8px;
            border-radius: var(--radius-md);
            transition: background .2s ease;
        }

        .principle-item:hover {
            background: rgba(255, 255, 255, 0.03);
        }

        .principle-item .pi-num {
            font-size: 14px;
            font-weight: 800;
            color: var(--accent-orange);
            letter-spacing: 0.08em;
            font-variant-numeric: tabular-nums;
            margin-bottom: 8px;
            display: block;
        }

        .principle-item .pi-title {
            font-size: 18px;
            font-weight: 650;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .principle-item .pi-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ===== 故事区 ===== */
        .story-section {
            padding: 96px 0;
            background: var(--bg-primary);
        }

        .story-media {
            position: relative;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.12);
            box-shadow: var(--shadow-dark);
            overflow: hidden;
        }

        .story-media .frame-label {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: rgba(6, 10, 19, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--text-primary);
            font-size: 13px;
            font-weight: 600;
            border-radius: var(--radius-pill);
            padding: 4px 14px;
            backdrop-filter: blur(10px);
        }

        .story-media img {
            width: 100%;
            border-radius: var(--radius-lg);
            display: block;
            object-fit: cover;
        }

        .story-text {
            padding-left: 16px;
        }

        .story-text p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .story-text p strong {
            color: var(--text-primary);
            font-weight: 600;
        }

        .story-metrics {
            display: flex;
            gap: 48px;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .story-metric .sm-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent-orange);
            text-shadow: var(--shadow-orange);
            font-variant-numeric: tabular-nums;
        }

        .story-metric .sm-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== 板块标题 ===== */
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 48px;
            flex-wrap: wrap;
        }

        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.06em;
            color: var(--brand-cyan);
            background: rgba(0, 212, 255, 0.10);
            border: 1px solid rgba(0, 212, 255, 0.2);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(28px, 3vw, 36px);
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.25;
            margin: 0;
        }

        .section-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: color .2s ease;
        }

        .section-link:hover {
            color: var(--brand-cyan);
        }

        .section-link i {
            transition: transform .2s ease;
            font-size: 12px;
        }

        .section-link:hover i {
            transform: translateX(4px);
        }

        /* ===== 精选内容 ===== */
        .featured-section {
            padding: 96px 0;
            background: var(--bg-secondary);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }

        .feature-card {
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--glass-bg);
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-dark);
            border-color: rgba(47, 123, 255, 0.4);
        }

        .feature-card .fc-img {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
            aspect-ratio: 16 / 10;
        }

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

        .feature-card:hover .fc-img img {
            transform: scale(1.02);
        }

        .feature-card .fc-img .fc-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(6, 10, 19, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--brand-cyan);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            backdrop-filter: blur(8px);
            z-index: 2;
        }

        .feature-card .fc-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .feature-card .fc-body h3 {
            font-size: 20px;
            font-weight: 650;
            line-height: 1.4;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .feature-card .fc-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }

        .feature-card .fc-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-blue);
        }

        .feature-card .fc-link i {
            font-size: 12px;
            transition: transform .2s ease;
        }

        .feature-card .fc-link:hover i {
            transform: translateX(4px);
        }

        .feature-card-lg {
            min-height: 100%;
            display: flex;
            flex-direction: column;
        }

        .feature-card-lg .fc-img {
            aspect-ratio: 16 / 8;
        }

        .feature-card-sm {
            margin-bottom: 24px;
        }

        .feature-card-sm:last-child {
            margin-bottom: 0;
        }

        /* ===== CMS 最新信息 ===== */
        .cms-news {
            padding: 96px 0;
            background: var(--bg-primary);
        }

        .news-feature-card {
            display: flex;
            flex-direction: column;
            border-radius: var(--radius-md);
            background: var(--glass-bg);
            border: 1px solid rgba(255, 255, 255, 0.12);
            padding: 28px;
            backdrop-filter: blur(16px);
            height: 100%;
            min-height: 260px;
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
        }

        .news-feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-dark);
            border-color: rgba(47, 123, 255, 0.35);
        }

        .news-feature-card .tag {
            margin-bottom: 16px;
        }

        .news-feature-card h3 {
            font-size: 22px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .news-feature-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 20px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 14px;
        }

        .news-meta .read-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--brand-blue);
            font-weight: 600;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--glass-bg);
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(16px);
        }

        .news-list-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            min-height: 76px;
            transition: background .2s ease;
        }

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

        .news-list-item:hover {
            background: rgba(255, 255, 255, 0.04);
        }

        .news-list-info {
            display: flex;
            align-items: center;
            gap: 12px;
            overflow: hidden;
            flex: 1;
        }

        .news-list-info .tag {
            flex-shrink: 0;
        }

        .news-list-info h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            flex: 1;
        }

        .news-list-info .news-date {
            font-size: 13px;
            color: var(--text-muted);
            flex-shrink: 0;
            white-space: nowrap;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            font-size: 12px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 6px;
            letter-spacing: 0.02em;
            line-height: 1.4;
        }

        .tag-orange {
            color: var(--accent-orange);
            background: rgba(255, 106, 61, 0.1);
            border: 1px solid rgba(255, 106, 61, 0.2);
        }

        .tag-cyan {
            color: var(--brand-cyan);
            background: rgba(0, 212, 255, 0.1);
            border: 1px solid rgba(0, 212, 255, 0.2);
        }

        .empty-news {
            border-radius: var(--radius-md);
            background: var(--glass-bg);
            border: 1px solid rgba(255, 255, 255, 0.12);
            min-height: 260px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 12px;
            padding: 40px;
        }

        .empty-news .empty-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--text-muted);
        }

        .empty-news p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
        }

        /* ===== 数据 / 信任 ===== */
        .trust-section {
            padding: 80px 0;
            background: var(--bg-secondary);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }

        .trust-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            text-align: center;
        }

        .trust-stat-item .ts-num {
            font-size: 52px;
            font-weight: 800;
            color: var(--accent-orange);
            text-shadow: var(--shadow-orange);
            line-height: 1;
            font-variant-numeric: tabular-nums;
        }

        .trust-stat-item .ts-num .suffix {
            font-size: 24px;
            font-weight: 700;
            margin-left: 2px;
        }

        .trust-stat-item .ts-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 12px;
            letter-spacing: 0.04em;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 96px 0;
            background: var(--bg-primary);
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
            background-size: 40px 40px;
        }

        .faq-item {
            border-radius: var(--radius-md);
            background: var(--glass-bg);
            border: 1px solid rgba(255, 255, 255, 0.10);
            backdrop-filter: blur(16px);
            margin-bottom: 16px;
            overflow: hidden;
            transition: border-color .2s ease;
        }

        .faq-item.active {
            border-color: rgba(47, 123, 255, 0.4);
        }

        .faq-q {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            user-select: none;
            min-height: 52px;
            line-height: 1.4;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-q .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--brand-cyan);
            background: rgba(0, 212, 255, 0.1);
            flex-shrink: 0;
            transition: transform .3s ease;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: rgba(0, 212, 255, 0.2);
        }

        .faq-a {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            border-left: 2px solid transparent;
        }

        .faq-item.active .faq-a {
            max-height: 300px;
            padding: 0 24px 20px 24px;
            border-left-color: var(--brand-blue);
        }

        .faq-a p {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 96px 0;
            background: var(--bg-secondary);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }

        .cta-panel {
            position: relative;
            border-radius: var(--radius-lg);
            background: var(--glass-bg);
            border: 1px solid rgba(255, 255, 255, 0.14);
            backdrop-filter: blur(24px);
            padding: 64px 40px;
            text-align: center;
            overflow: hidden;
            box-shadow: var(--shadow-dark);
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(47, 123, 255, 0.35) 0%, transparent 70%);
            top: -40px;
            left: -30px;
        }

        .cta-panel::after {
            content: '';
            position: absolute;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 106, 61, 0.3) 0%, transparent 70%);
            bottom: -40px;
            right: -30px;
        }

        .cta-title {
            font-size: clamp(26px, 3vw, 34px);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 480px;
            margin: 0 auto 32px;
            position: relative;
            z-index: 1;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 440px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .cta-form input {
            flex: 1;
            height: 44px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-pill);
            padding: 0 20px;
            color: var(--text-primary);
            font-size: 14px;
            outline: none;
            transition: border-color .2s ease, box-shadow .2s ease;
        }

        .cta-form input::placeholder {
            color: var(--text-muted);
        }

        .cta-form input:focus {
            border-color: rgba(47, 123, 255, 0.6);
            box-shadow: 0 0 0 3px rgba(47, 123, 255, 0.15);
        }

        .cta-form .btn-cta {
            height: 44px;
            flex-shrink: 0;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-footer);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 64px 0 0;
            position: relative;
        }

        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, var(--brand-blue), var(--brand-cyan), var(--accent-orange));
        }

        .footer-brand .brand-logo {
            margin-bottom: 16px;
        }

        .footer-brand .fb-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col .fc-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }

        .footer-col .fc-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col .fc-links a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            transition: color .2s ease;
        }

        .footer-col .fc-links a i {
            font-size: 10px;
            color: var(--text-muted);
        }

        .footer-col .fc-links a:hover {
            color: var(--brand-cyan);
        }

        .footer-col .fc-links a:hover i {
            color: var(--brand-cyan);
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 10px;
            list-style: none;
        }

        .footer-contact li i {
            width: 18px;
            text-align: center;
            color: var(--text-muted);
            font-size: 13px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 24px 0;
            margin-top: 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom p {
            margin: 0;
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-bottom .fb-links {
            display: flex;
            gap: 20px;
        }

        .footer-bottom .fb-links a {
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-bottom .fb-links a:hover {
            color: var(--text-primary);
        }

        /* ===== 通用 ===== */
        .glass-card {
            background: var(--glass-bg);
            border: 1px solid var(--border-white);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-radius: var(--radius-md);
    }

        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--accent-orange);
            background: rgba(255, 106, 61, 0.1);
            border: 1px solid rgba(255, 106, 61, 0.2);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.6;
            max-width: 600px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1200px) {
            .command-search {
                min-width: 180px;
            }
            .main-nav {
                gap: 20px;
                margin-left: 16px;
            }
        }

        @media (max-width: 992px) {
            .main-nav,
            .command-search {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .nav-right .btn-cta {
                display: none;
            }
            .brand-principles {
                grid-template-columns: 1fr;
                gap: 8px;
                margin-top: 32px;
            }
            .story-metrics {
                gap: 24px;
                flex-wrap: wrap;
            }
            .cta-form {
                flex-direction: column;
            }
            .trust-stats {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .cta-panel {
                padding: 40px 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 110px 0 56px;
            }
            .hero-title {
                font-size: 32px;
            }
            .hero-desc {
                font-size: 16px;
            }
            .hero-stats {
                gap: 20px;
            }
            .brand-statement,
            .featured-section,
            .cms-news,
            .faq-section,
            .cta-section {
                padding: 64px 0;
            }
            .section-head {
                margin-bottom: 32px;
            }
            .news-list-info .news-date {
                display: none;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .brand-logo {
                font-size: 18px;
            }
            .brand-logo .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 13px;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-actions {
                gap: 10px;
            }
            .hero-actions .btn-cta,
            .hero-actions .btn-ghost {
                width: 100%;
                justify-content: center;
            }
            .hero-stat .hs-num {
                font-size: 22px;
            }
            .hero-visual {
                display: none;
            }
            .feature-card-lg .fc-img {
                aspect-ratio: 16 / 10;
            }
            .news-list-item {
                padding: 14px 16px;
            }
            .cta-form .btn-cta {
                width: 100%;
                justify-content: center;
            }
            .footer-col .fc-links {
                gap: 8px;
            }
        }

        @media (min-width: 769px) {
            .mobile-drawer {
                display: none;
            }
        }

/* roulang page: article */
:root {
            --bg-page: #060a13;
            --bg-sub: #0b1220;
            --bg-deep: #04070d;
            --brand-blue: #2f7bff;
            --brand-cyan: #00d4ff;
            --accent-orange: #ff6a3d;
            --text-main: #e8eefc;
            --text-sub: #94a3b8;
            --text-weak: #5f6e87;
            --border-white: rgba(255, 255, 255, 0.12);
            --border-light: rgba(255, 255, 255, 0.06);
            --glass-bg: rgba(255, 255, 255, 0.05);
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-pill: 999px;
            --shadow-card: 0 16px 32px rgba(0, 0, 0, 0.35);
            --shadow-blue: 0 0 24px rgba(47, 123, 255, 0.4);
            --shadow-orange: 0 0 24px rgba(255, 106, 61, 0.35);
            --font-main: -apple-system, "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            background: var(--bg-page);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        body::before {
            content: "";
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: -2;
            background:
                radial-gradient(680px 420px at 8% -6%, rgba(47, 123, 255, 0.16), transparent 70%),
                radial-gradient(720px 540px at 108% 16%, rgba(255, 106, 61, 0.07), transparent 68%),
                linear-gradient(180deg, #060a13 0%, #080e1b 48%, #060a13 100%);
        }
        body::after {
            content: "";
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: -1;
            background-image: linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
        }
        a {
            color: var(--brand-cyan);
            text-decoration: none;
            transition: color .25s ease;
        }
        a:hover {
            color: #fff;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 700;
            border: none;
            background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
            color: #fff;
            box-shadow: 0 0 20px rgba(47, 123, 255, 0.35);
            transition: all .3s ease;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 32px rgba(47, 123, 255, 0.55);
            color: #fff;
        }
        .btn-cta:active {
            transform: translateY(0);
            box-shadow: 0 0 14px rgba(47, 123, 255, 0.35);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 600;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.16);
            color: var(--text-main);
            transition: all .3s ease;
            white-space: nowrap;
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.3);
            color: #fff;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 72px;
            background: rgba(6, 10, 19, 0.72);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: box-shadow .3s ease;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            height: 72px;
            justify-content: space-between;
            gap: 16px;
            position: relative;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.01em;
            flex-shrink: 0;
        }
        .brand-logo:hover {
            color: #fff;
        }
        .brand-icon {
            width: 34px;
            height: 34px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
            border-radius: 10px;
            font-size: 14px;
            color: #fff;
            box-shadow: 0 0 18px rgba(47, 123, 255, 0.5);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-link-custom {
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-sub);
            border-radius: 10px;
            position: relative;
            transition: all .25s ease;
        }
        .nav-link-custom:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-link-custom.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-link-custom.active::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--brand-blue), var(--brand-cyan));
            box-shadow: 0 0 12px rgba(0, 212, 255, 0.5);
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .command-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-pill);
            padding: 6px 12px;
            min-width: 220px;
            cursor: pointer;
            transition: all .3s ease;
            color: var(--text-weak);
            font-size: 13px;
        }
        .command-search:hover {
            border-color: rgba(47, 123, 255, 0.5);
            background: rgba(255, 255, 255, 0.08);
        }
        .command-search i {
            font-size: 13px;
            color: var(--text-weak);
        }
        .cs-placeholder {
            flex: 1;
            text-align: left;
        }
        .cs-kbd {
            padding: 2px 7px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 6px;
            font-size: 11px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--text-sub);
            letter-spacing: 0.04em;
        }
        .nav-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            width: 40px;
            height: 40px;
            border-radius: 10px;
            color: #fff;
            font-size: 16px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all .25s ease;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }
        .search-panel {
            position: absolute;
            top: 58px;
            right: 0;
            width: 300px;
            background: rgba(11, 18, 32, 0.98);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 16px;
            padding: 18px;
            box-shadow: 0 20px 48px rgba(0, 0, 0, 0.5);
            opacity: 0;
            visibility: hidden;
            transform: translateY(-6px);
            transition: all .3s ease;
            backdrop-filter: blur(20px);
            z-index: 100;
        }
        .search-panel.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .sp-title {
            font-size: 12px;
            color: var(--text-weak);
            font-weight: 700;
            letter-spacing: 0.08em;
            margin-bottom: 12px;
        }
        .sp-links {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .sp-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 9px 12px;
            border-radius: 10px;
            font-size: 14px;
            color: var(--text-main);
            transition: all .2s ease;
        }
        .sp-links a:hover {
            background: rgba(47, 123, 255, 0.12);
            color: #fff;
            text-decoration: none;
        }
        .sp-links a i {
            width: 16px;
            color: var(--brand-cyan);
            font-size: 13px;
        }
        .article-scroll-padding {
            height: 72px;
        }
        .article-hero {
            position: relative;
            padding: 60px 0 30px;
            background:
                linear-gradient(180deg, rgba(6, 10, 19, 0.55), rgba(6, 10, 19, 0.92)),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .breadcrumb-wrap {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--text-weak);
            padding: 22px 0 8px;
        }
        .breadcrumb-wrap a {
            color: var(--text-sub);
            transition: color .2s;
        }
        .breadcrumb-wrap a:hover {
            color: var(--brand-cyan);
        }
        .breadcrumb-wrap .sep {
            color: var(--text-weak);
            opacity: .6;
        }
        .breadcrumb-wrap .current {
            color: #fff;
        }
        .back-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--brand-cyan);
            font-weight: 600;
            transition: all .2s ease;
        }
        .back-link:hover {
            color: #fff;
            transform: translateX(-2px);
        }
        .article-heading {
            padding: 30px 0 42px;
            max-width: 900px;
        }
        .article-cat {
            margin-bottom: 18px;
        }
        .cat-badge {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 700;
            background: rgba(255, 106, 61, 0.14);
            border: 1px solid rgba(255, 106, 61, 0.3);
            color: var(--accent-orange);
            letter-spacing: 0.03em;
        }
        .article-heading h1 {
            font-size: clamp(30px, 4vw, 44px);
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }
        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 18px;
            font-size: 13px;
            color: var(--text-sub);
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }
        .article-meta i {
            color: var(--brand-cyan);
            font-size: 13px;
        }
        .article-body-section {
            padding: 48px 0 64px;
        }
        .article-content {
            max-width: 760px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: 24px;
            padding: clamp(24px, 4vw, 52px);
            position: relative;
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
        }
        .article-content::before {
            content: "";
            position: absolute;
            top: 0;
            left: 28px;
            right: 28px;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.18), transparent);
        }
        .article-content h2 {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            margin: 40px 0 16px;
            line-height: 1.4;
        }
        .article-content h3 {
            font-size: 21px;
            font-weight: 700;
            color: #fff;
            margin: 36px 0 14px;
            line-height: 1.4;
        }
        .article-content h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin: 28px 0 10px;
        }
        .article-content p {
            margin-bottom: 20px;
            color: #c9d4e8;
            line-height: 1.9;
        }
        .article-content a {
            color: var(--brand-cyan);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-content a:hover {
            color: #fff;
        }
        .article-content ul,
        .article-content ol {
            margin: 0 0 22px;
            padding-left: 24px;
            color: #c9d4e8;
        }
        .article-content ul li,
        .article-content ol li {
            margin-bottom: 8px;
            line-height: 1.8;
        }
        .article-content img {
            border-radius: 16px;
            margin: 28px 0;
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
        }
        .article-content blockquote {
            border-left: 4px solid var(--brand-blue);
            background: rgba(47, 123, 255, 0.08);
            padding: 16px 20px;
            border-radius: 0 14px 14px 0;
            margin: 26px 0;
            color: var(--text-sub);
            font-style: normal;
            box-shadow: inset 0 0 20px rgba(47, 123, 255, 0.04);
        }
        .article-content blockquote p {
            margin-bottom: 0;
            color: inherit;
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 14px;
        }
        .article-content th {
            background: rgba(47, 123, 255, 0.1);
            color: #fff;
            font-weight: 700;
            padding: 12px 14px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .article-content td {
            padding: 10px 14px;
            border: 1px solid rgba(255, 255, 255, 0.07);
            color: var(--text-sub);
        }
        .article-content code {
            background: rgba(255, 255, 255, 0.08);
            padding: 2px 8px;
            border-radius: 6px;
            font-size: 13px;
            color: var(--brand-cyan);
        }
        .article-not-found {
            text-align: center;
            padding: 60px 24px;
            color: var(--text-sub);
        }
        .article-not-found i {
            font-size: 44px;
            color: var(--text-weak);
            margin-bottom: 16px;
        }
        .article-not-found h2 {
            font-size: 24px;
            color: #fff;
            margin-bottom: 12px;
            font-weight: 700;
        }
        .article-not-found p {
            color: var(--text-sub);
            margin-bottom: 22px;
        }
        .article-toolbar {
            max-width: 760px;
            margin: 32px auto 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
        }
        .toolbar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-pill {
            display: inline-block;
            padding: 5px 13px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
            color: var(--text-sub);
            transition: all .25s ease;
        }
        .tag-pill:hover {
            border-color: var(--brand-blue);
            color: var(--brand-cyan);
            background: rgba(47, 123, 255, 0.08);
        }
        .toolbar-nav {
            display: flex;
            gap: 10px;
        }
        .toolbar-btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 13px;
            font-weight: 600;
            color: var(--text-main);
            transition: all .25s ease;
        }
        .toolbar-btn:hover {
            border-color: rgba(47, 123, 255, 0.5);
            box-shadow: 0 0 18px rgba(47, 123, 255, 0.2);
            color: #fff;
        }
        .related-section {
            padding: 72px 0 48px;
            position: relative;
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 32px;
        }
        .section-label {
            display: inline-block;
            padding: 5px 13px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.04em;
            background: rgba(0, 212, 255, 0.12);
            border: 1px solid rgba(0, 212, 255, 0.25);
            color: var(--brand-cyan);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 800;
            color: #fff;
            margin: 0;
            line-height: 1.3;
        }
        .section-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-sub);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all .25s ease;
            flex-shrink: 0;
        }
        .section-more:hover {
            color: var(--brand-cyan);
            gap: 10px;
        }
        .related-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 18px;
            overflow: hidden;
            height: 100%;
            transition: all .3s ease;
            position: relative;
        }
        .related-card:hover {
            transform: translateY(-4px);
            border-color: rgba(47, 123, 255, 0.4);
            box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4), 0 0 24px rgba(47, 123, 255, 0.12);
        }
        .related-card .rc-img-wrap {
            overflow: hidden;
            aspect-ratio: 16 / 10;
            border-radius: 0;
        }
        .related-card .rc-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .related-card:hover .rc-img-wrap img {
            transform: scale(1.03);
        }
        .related-card .rc-body {
            padding: 18px 20px 22px;
        }
        .related-card .rc-tag {
            font-size: 11px;
            font-weight: 700;
            color: var(--accent-orange);
            background: rgba(255, 106, 61, 0.1);
            padding: 3px 10px;
            border-radius: 6px;
            display: inline-block;
            margin-bottom: 10px;
        }
        .related-card .rc-title {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            line-height: 1.45;
            margin-bottom: 8px;
        }
        .related-card .rc-excerpt {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .related-card .rc-link {
            margin-top: 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-cyan);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .25s ease;
        }
        .related-card .rc-link:hover {
            gap: 10px;
            color: #fff;
        }
        .faq-section {
            padding: 56px 0 72px;
        }
        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: all .3s ease;
        }
        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.18);
        }
        .faq-item.open {
            border-color: rgba(47, 123, 255, 0.4);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px 20px;
            min-height: 56px;
            cursor: pointer;
            user-select: none;
            color: #fff;
            font-size: 15px;
            font-weight: 600;
        }
        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(0, 212, 255, 0.12);
            border: 1px solid rgba(0, 212, 255, 0.3);
            color: var(--brand-cyan);
            font-size: 14px;
            transition: all .3s ease;
        }
        .faq-item.open .faq-icon {
            background: var(--brand-blue);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease, padding .3s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 20px 58px;
        }
        .faq-answer p {
            margin: 0;
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.8;
            border-left: 2px solid var(--brand-blue);
            padding-left: 16px;
        }
        .cta-section {
            padding: 32px 0 72px;
        }
        .cta-panel {
            position: relative;
            background: linear-gradient(135deg, rgba(47, 123, 255, 0.08), rgba(0, 212, 255, 0.04));
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 24px;
            padding: clamp(36px, 6vw, 64px);
            text-align: center;
            overflow: hidden;
        }
        .cta-panel::before {
            content: "";
            position: absolute;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(47, 123, 255, 0.2);
            filter: blur(50px);
            top: -30px;
            left: 10%;
            pointer-events: none;
        }
        .cta-panel::after {
            content: "";
            position: absolute;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255, 106, 61, 0.14);
            filter: blur(60px);
            bottom: -40px;
            right: 12%;
            pointer-events: none;
        }
        .cta-panel h2 {
            font-size: clamp(22px, 3vw, 32px);
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-panel p {
            font-size: 14px;
            color: var(--text-sub);
            max-width: 480px;
            margin: 0 auto 26px;
            position: relative;
            z-index: 1;
        }
        .cta-panel .cta-actions {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .site-footer {
            background: var(--bg-deep);
            border-top: none;
            position: relative;
            padding: 64px 0 0;
        }
        .site-footer::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, var(--brand-blue), var(--accent-orange));
            opacity: .5;
        }
        .footer-brand .brand-logo {
            margin-bottom: 16px;
        }
        .fb-desc {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
            max-width: 300px;
            margin-bottom: 0;
        }
        .footer-col .fc-title {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.04em;
        }
        .fc-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .fc-links a {
            font-size: 14px;
            color: var(--text-sub);
            display: inline-flex;
            align-items: center;
            gap: 7px;
            transition: all .2s ease;
        }
        .fc-links a i {
            font-size: 10px;
            color: var(--brand-cyan);
        }
        .fc-links a:hover {
            color: #fff;
            padding-left: 3px;
        }
        .footer-contact p {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-sub);
            margin-bottom: 10px;
        }
        .footer-contact p i {
            color: var(--brand-cyan);
            font-size: 13px;
        }
        .footer-bottom {
            margin-top: 48px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 22px 0 26px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-weak);
        }
        .footer-bottom .footer-security {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--text-weak);
            margin-bottom: 0;
        }
        .footer-bottom .footer-security i {
            color: var(--brand-cyan);
        }
        @media (max-width: 991.98px) {
            .command-search {
                min-width: 160px;
            }
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }
        @media (max-width: 767.98px) {
            .site-header .container {
                gap: 10px;
            }
            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(6, 10, 19, 0.97);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px 24px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                transform: translateY(-12px);
                opacity: 0;
                visibility: hidden;
                transition: all .3s ease;
                z-index: 999;
                gap: 4px;
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .nav-link-custom {
                padding: 12px 16px;
                font-size: 15px;
                border-radius: 12px;
                text-align: center;
            }
            .nav-link-custom.active::after {
                bottom: 6px;
            }
            .command-search {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .search-panel {
                top: 60px;
                right: 16px;
                width: calc(100% - 32px);
            }
            .article-hero {
                padding: 30px 0 20px;
            }
            .article-heading {
                padding: 20px 0 28px;
            }
            .article-heading h1 {
                font-size: 28px;
            }
            .article-meta {
                gap: 12px;
                font-size: 12px;
            }
            .article-content {
                padding: 20px 18px;
                border-radius: 18px;
            }
            .article-content h2 {
                font-size: 22px;
            }
            .article-content h3 {
                font-size: 18px;
            }
            .article-toolbar {
                flex-direction: column;
                align-items: flex-start;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                margin-bottom: 20px;
            }
            .related-section {
                padding: 48px 0 36px;
            }
            .faq-section {
                padding: 40px 0 48px;
            }
            .cta-section {
                padding: 20px 0 48px;
            }
            .cta-panel {
                padding: 32px 20px;
            }
            .cta-panel .cta-actions {
                flex-direction: column;
                align-items: center;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
        }
        @media (max-width: 575.98px) {
            .btn-cta {
                gap: 6px;
                padding: 9px 16px;
                font-size: 13px;
            }
            .btn-ghost {
                gap: 6px;
                padding: 9px 16px;
                font-size: 13px;
            }
            .brand-logo {
                font-size: 18px;
            }
            .article-body-section {
                padding: 28px 0 40px;
            }
            .article-content {
                padding: 18px 14px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #060a13;
            --bg-sub: #0b1220;
            --bg-footer: #04070d;
            --primary: #2f7bff;
            --cyan: #00d4ff;
            --orange: #ff6a3d;
            --text-main: #e8eefc;
            --text-sub: #94a3b8;
            --text-weak: #5f6e87;
            --border: rgba(255, 255, 255, 0.12);
            --glass-bg: rgba(255, 255, 255, 0.05);
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-dark: 0 16px 32px rgba(0, 0, 0, 0.35);
            --glow-blue: 0 0 24px rgba(47, 123, 255, 0.4);
            --glow-orange: 0 0 24px rgba(255, 106, 61, 0.35);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background: var(--bg-deep);
            color: var(--text-main);
            font-size: 15px;
            line-height: 1.75;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s ease;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 72px;
            z-index: 1000;
            background: rgba(6, 10, 19, 0.72);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .site-header .container {
            height: 100%;
            display: flex;
            align-items: center;
            gap: 24px;
            position: relative;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.02em;
            flex-shrink: 0;
            color: var(--text-main);
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #fff;
            box-shadow: var(--glow-blue);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 12px;
        }
        .nav-link-custom {
            position: relative;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-sub);
            border-radius: 999px;
            transition: all .25s ease;
        }
        .nav-link-custom:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-link-custom.active {
            color: var(--text-main);
        }
        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 0;
            height: 4px;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--primary), var(--cyan));
            box-shadow: 0 0 12px rgba(47, 123, 255, 0.6);
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-left: auto;
        }
        .command-search {
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 999px;
            padding: 7px 12px;
            cursor: pointer;
            width: 240px;
            transition: all .25s ease;
        }
        .command-search:hover {
            border-color: rgba(47, 123, 255, 0.5);
            background: rgba(255, 255, 255, 0.08);
        }
        .command-search i.fa-search {
            color: var(--text-weak);
            font-size: 13px;
        }
        .cs-placeholder {
            color: var(--text-weak);
            font-size: 13px;
            flex: 1;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .cs-kbd {
            font-size: 11px;
            color: var(--text-weak);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 6px;
            padding: 1px 6px;
            font-family: inherit;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 9px 20px;
            border-radius: 999px;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(47, 123, 255, 0.25);
            transition: all .25s ease;
        }
        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(0, 212, 255, 0.4);
            color: #fff;
        }
        .btn-cta:active {
            transform: translateY(0);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--text-main);
            width: 40px;
            height: 40px;
            border-radius: 10px;
            font-size: 16px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all .25s ease;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .search-panel {
            position: absolute;
            top: calc(100% + 12px);
            right: 0;
            width: 280px;
            background: #0d1526;
            border: 1px solid var(--border);
            border-radius: 16px;
            box-shadow: var(--shadow-dark);
            padding: 16px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-6px);
            transition: all .3s ease;
            z-index: 999;
        }
        .search-panel.open {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .sp-title {
            font-size: 12px;
            font-weight: 700;
            color: var(--text-weak);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 12px;
        }
        .sp-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .sp-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: 10px;
            font-size: 14px;
            color: var(--text-sub);
            transition: all .2s ease;
        }
        .sp-links a:hover {
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-main);
        }
        .sp-links a i {
            width: 18px;
            color: var(--primary);
        }

        /* ===== Hero ===== */
        .cat-hero {
            position: relative;
            min-height: 640px;
            display: flex;
            align-items: center;
            padding: 160px 0 80px;
            background: linear-gradient(rgba(6, 10, 19, 0.82), rgba(6, 10, 19, 0.9)), url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            overflow: hidden;
        }
        .cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 30px 30px;
            pointer-events: none;
        }
        .cat-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 15% 25%, rgba(47, 123, 255, 0.18), transparent 45%),
                radial-gradient(circle at 85% 70%, rgba(255, 106, 61, 0.1), transparent 40%);
            pointer-events: none;
        }
        .cat-hero .container {
            position: relative;
            z-index: 2;
        }
        .cat-hero-content {
            max-width: 860px;
            margin: 0 auto;
            text-align: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--cyan);
            background: rgba(0, 212, 255, 0.08);
            border: 1px solid rgba(0, 212, 255, 0.25);
            border-radius: 999px;
            padding: 5px 16px;
            margin-bottom: 24px;
            letter-spacing: 0.02em;
        }
        .cat-hero h1 {
            font-size: 52px;
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: 0.01em;
            background: linear-gradient(120deg, #ffffff, #c9d6ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .cat-hero-desc {
            font-size: 17px;
            color: var(--text-sub);
            max-width: 760px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }
        .btn-energy {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, #ff6a3d, #ff9a3d);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            padding: 13px 32px;
            border-radius: 999px;
            border: none;
            cursor: pointer;
            box-shadow: 0 0 24px rgba(255, 106, 61, 0.3);
            transition: all .3s ease;
        }
        .btn-energy:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 36px rgba(255, 106, 61, 0.45);
            color: #fff;
        }
        .btn-energy:active {
            transform: translateY(0);
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--text-main);
            font-size: 15px;
            font-weight: 500;
            padding: 13px 28px;
            border-radius: 999px;
            cursor: pointer;
            transition: all .3s ease;
        }
        .btn-outline-custom:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.3);
            color: var(--text-main);
        }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 32px;
        }
        .hero-stat {
            text-align: center;
            padding: 0 40px;
            position: relative;
        }
        .hero-stat+.hero-stat::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 36px;
            background: rgba(255, 255, 255, 0.1);
        }
        .hs-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--orange);
            text-shadow: 0 0 18px rgba(255, 106, 61, 0.35);
            font-variant-numeric: tabular-nums;
            line-height: 1.3;
        }
        .hs-label {
            font-size: 13px;
            color: var(--text-weak);
            margin-top: 4px;
            letter-spacing: 0.05em;
        }

        /* ===== 板块通用 ===== */
        .section-pad {
            padding: 100px 0;
        }
        .section-pad-sm {
            padding: 72px 0;
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 48px;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
            background: rgba(47, 123, 255, 0.08);
            border: 1px solid rgba(47, 123, 255, 0.2);
            border-radius: 6px;
            padding: 4px 12px;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.25;
            margin: 0;
            letter-spacing: -0.01em;
        }
        .section-desc {
            color: var(--text-sub);
            font-size: 16px;
            max-width: 560px;
            margin-top: 8px;
        }
        .section-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-sub);
            flex-shrink: 0;
            transition: all .25s ease;
        }
        .section-link:hover {
            color: var(--primary);
        }
        .section-link:hover i {
            transform: translateX(4px);
        }
        .section-link i {
            transition: transform .25s ease;
            font-size: 13px;
        }
        .bg-sub {
            background: var(--bg-sub);
        }

        /* ===== 卖点区 ===== */
        .features-section {
            background: var(--bg-deep);
            position: relative;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--glass-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            position: relative;
            overflow: hidden;
            transition: all .3s ease;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
        }
        .feature-card:hover {
            border-color: rgba(47, 123, 255, 0.4);
            transform: translateY(-4px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(47, 123, 255, 0.2), rgba(0, 212, 255, 0.1));
            border: 1px solid rgba(47, 123, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--cyan);
            margin-bottom: 20px;
            transition: all .3s ease;
        }
        .feature-card:hover .feature-icon {
            box-shadow: var(--glow-blue);
            color: #fff;
        }
        .feature-card h3 {
            font-size: 19px;
            font-weight: 650;
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== 场景区 ===== */
        .scenario-section {
            background: var(--bg-sub);
        }
        .scenario-list {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .scenario-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: var(--glass-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px;
            transition: all .3s ease;
            overflow: hidden;
        }
        .scenario-row:hover {
            border-color: rgba(47, 123, 255, 0.35);
            box-shadow: var(--shadow-dark);
        }
        .scenario-row:nth-child(even) .scenario-media {
            order: 2;
        }
        .scenario-row:nth-child(even) .scenario-body {
            order: 1;
        }
        .scenario-media {
            border-radius: 14px;
            overflow: hidden;
            height: 220px;
            background: linear-gradient(135deg, rgba(47, 123, 255, 0.15), rgba(0, 212, 255, 0.05));
        }
        .scenario-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .scenario-row:hover .scenario-media img {
            transform: scale(1.03);
        }
        .scenario-body .sc-label {
            font-size: 12px;
            font-weight: 700;
            color: var(--orange);
            background: rgba(255, 106, 61, 0.1);
            border: 1px solid rgba(255, 106, 61, 0.2);
            border-radius: 6px;
            padding: 3px 10px;
            display: inline-block;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .scenario-body h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .scenario-body p {
            color: var(--text-sub);
            font-size: 15px;
            margin-bottom: 16px;
            line-height: 1.75;
        }
        .scenario-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .scenario-link i {
            font-size: 12px;
            transition: transform .25s ease;
        }
        .scenario-link:hover {
            color: var(--cyan);
        }
        .scenario-link:hover i {
            transform: translateX(4px);
        }

        /* ===== 流程区 ===== */
        .steps-section {
            background: var(--bg-deep);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .step-item {
            background: var(--glass-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 32px 26px;
            position: relative;
            transition: all .3s ease;
        }
        .step-item:hover {
            border-color: rgba(0, 212, 255, 0.35);
            transform: translateY(-4px);
            box-shadow: var(--shadow-dark);
        }
        .step-num {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            box-shadow: 0 0 18px rgba(47, 123, 255, 0.25);
            font-variant-numeric: tabular-nums;
        }
        .step-item h3 {
            font-size: 18px;
            font-weight: 650;
            margin-bottom: 10px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== 内容专题区 ===== */
        .topics-section {
            background: var(--bg-sub);
        }
        .topic-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 24px;
        }
        .topic-card {
            background: var(--glass-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all .3s ease;
            display: flex;
            flex-direction: column;
        }
        .topic-card:hover {
            border-color: rgba(47, 123, 255, 0.4);
            transform: translateY(-4px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
        }
        .topic-card-image {
            height: 220px;
            overflow: hidden;
            position: relative;
        }
        .topic-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .topic-card:hover .topic-card-image img {
            transform: scale(1.04);
        }
        .topic-card-body {
            padding: 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .topic-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--orange);
            background: rgba(255, 106, 61, 0.08);
            border: 1px solid rgba(255, 106, 61, 0.2);
            border-radius: 6px;
            padding: 3px 10px;
            margin-bottom: 14px;
            align-self: flex-start;
            letter-spacing: 0.02em;
        }
        .topic-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .topic-card p {
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }
        .topic-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all .25s ease;
        }
        .topic-link i {
            font-size: 12px;
            transition: transform .25s ease;
        }
        .topic-link:hover {
            color: var(--cyan);
        }
        .topic-link:hover i {
            transform: translateX(4px);
        }
        .topic-card-wide .topic-card-image {
            height: 260px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-deep);
            position: relative;
        }
        .faq-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
            background-size: 30px 30px;
            pointer-events: none;
        }
        .faq-section .container {
            position: relative;
            z-index: 1;
        }
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--glass-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            transition: all .3s ease;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }
        .faq-item.active {
            border-color: rgba(47, 123, 255, 0.4);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            background: transparent;
            border: none;
            color: var(--text-main);
            font-size: 16px;
            font-weight: 600;
            text-align: left;
            cursor: pointer;
            transition: background .25s ease;
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-sub);
            flex-shrink: 0;
            transition: all .3s ease;
        }
        .faq-item.active .faq-icon {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 24px 22px;
            border-left: 2px solid var(--primary);
            margin-left: 24px;
            padding-left: 20px;
            color: var(--text-sub);
            font-size: 15px;
            line-height: 1.75;
        }

        /* ===== 相邻分类 / 热门标签 ===== */
        .link-helper {
            background: var(--bg-sub);
        }
        .link-helper-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .helper-card {
            background: var(--glass-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 32px;
            transition: border-color .3s ease;
        }
        .helper-card:hover {
            border-color: rgba(47, 123, 255, 0.35);
        }
        .helper-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .helper-card h3 i {
            color: var(--primary);
            font-size: 17px;
        }
        .helper-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .helper-links a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-sub);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 999px;
            padding: 6px 14px;
            transition: all .25s ease;
        }
        .helper-links a:hover {
            color: var(--text-main);
            border-color: rgba(47, 123, 255, 0.4);
            background: rgba(47, 123, 255, 0.1);
        }
        .helper-links a i {
            font-size: 11px;
            color: var(--text-weak);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-deep);
            padding: 80px 0 100px;
        }
        .cta-panel {
            position: relative;
            background: linear-gradient(135deg, rgba(47, 123, 255, 0.12), rgba(255, 106, 61, 0.06));
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            overflow: hidden;
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -40px;
            left: -40px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(47, 123, 255, 0.3), transparent 70%);
            pointer-events: none;
        }
        .cta-panel::after {
            content: '';
            position: absolute;
            bottom: -40px;
            right: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 106, 61, 0.25), transparent 70%);
            pointer-events: none;
        }
        .cta-panel .container {
            position: relative;
            z-index: 1;
        }
        .cta-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--orange);
            background: rgba(255, 106, 61, 0.12);
            border: 1px solid rgba(255, 106, 61, 0.25);
            border-radius: 6px;
            padding: 4px 14px;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }
        .cta-title {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .cta-desc {
            font-size: 16px;
            color: var(--text-sub);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.75;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-footer);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 72px 0 0;
            position: relative;
        }
        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, var(--primary), transparent 30%, transparent 70%, var(--orange));
        }
        .site-footer .row {
            padding-bottom: 48px;
        }
        .footer-brand .brand-logo {
            margin-bottom: 16px;
        }
        .fb-desc {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.8;
            margin: 0;
            max-width: 300px;
        }
        .footer-col {
            padding-top: 4px;
        }
        .fc-title {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--text-main);
        }
        .fc-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .fc-links a {
            font-size: 14px;
            color: var(--text-sub);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all .2s ease;
        }
        .fc-links a i {
            font-size: 10px;
            color: var(--text-weak);
            transition: all .2s ease;
        }
        .fc-links a:hover {
            color: var(--cyan);
            padding-left: 4px;
        }
        .fc-links a:hover i {
            color: var(--cyan);
        }
        .footer-contact p {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-sub);
            margin-bottom: 10px;
        }
        .footer-contact p i {
            color: var(--primary);
            width: 16px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 22px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: var(--text-weak);
            margin: 0;
        }
        .footer-bottom a {
            color: var(--text-weak);
            transition: color .2s ease;
        }
        .footer-bottom a:hover {
            color: var(--text-main);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199.98px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .command-search {
                width: 200px;
            }
        }
        @media (max-width: 991.98px) {
            .section-pad {
                padding: 80px 0;
            }
            .cat-hero h1 {
                font-size: 44px;
            }
            .section-title {
                font-size: 30px;
            }
            .command-search {
                width: 44px;
                padding: 7px;
                justify-content: center;
            }
            .command-search .cs-placeholder,
            .command-search .cs-kbd {
                display: none;
            }
            .scenario-row {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 24px;
            }
            .scenario-row:nth-child(even) .scenario-media {
                order: 1;
            }
            .scenario-row:nth-child(even) .scenario-body {
                order: 2;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .link-helper-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 767.98px) {
            .section-pad {
                padding: 64px 0;
            }
            .site-header .container {
                gap: 12px;
            }
            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(6, 10, 19, 0.97);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                flex-direction: column;
                align-items: flex-start;
                padding: 24px;
                gap: 6px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                transform: translateY(-120%);
                transition: transform .35s ease;
                margin-left: 0;
                z-index: 998;
            }
            .main-nav.open {
                transform: translateY(0);
            }
            .nav-link-custom {
                width: 100%;
                padding: 12px 16px;
                font-size: 16px;
            }
            .nav-link-custom.active::after {
                display: none;
            }
            .nav-link-custom.active {
                background: rgba(47, 123, 255, 0.12);
                border-left: 3px solid var(--primary);
            }
            .nav-toggle {
                display: flex;
            }
            .btn-cta span {
                display: none;
            }
            .btn-cta i {
                margin: 0;
            }
            .btn-cta {
                width: 40px;
                height: 40px;
                padding: 0;
                justify-content: center;
            }
            .cat-hero {
                min-height: 520px;
                padding: 130px 0 50px;
            }
            .cat-hero h1 {
                font-size: 36px;
            }
            .cat-hero-desc {
                font-size: 15px;
            }
            .hero-stats {
                flex-wrap: wrap;
                gap: 16px 0;
            }
            .hero-stat {
                padding: 0 24px;
            }
            .hero-stat+.hero-stat::before {
                height: 28px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                margin-bottom: 32px;
            }
            .cta-panel {
                padding: 48px 24px;
            }
            .cta-title {
                font-size: 28px;
            }
            .site-footer {
                padding: 56px 0 0;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 575.98px) {
            .container {
                padding: 0 18px;
            }
            .cat-hero h1 {
                font-size: 30px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn-energy,
            .btn-outline-custom {
                width: 100%;
                justify-content: center;
            }
            .hero-stat .hs-num {
                font-size: 22px;
            }
            .hero-stat {
                padding: 0 14px;
            }
            .hs-label {
                font-size: 12px;
            }
            .scenario-media {
                height: 180px;
            }
            .scenario-row {
                padding: 20px;
                border-radius: 14px;
            }
            .topic-card-image {
                height: 180px;
            }
            .topic-card-wide .topic-card-image {
                height: 200px;
            }
            .topic-card-body {
                padding: 20px;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }
            .faq-answer-inner {
                padding: 0 18px 18px;
                margin-left: 18px;
                padding-left: 16px;
                font-size: 14px;
            }
            .link-helper {
                padding: 48px 0;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .cta-buttons .btn-energy,
            .cta-buttons .btn-outline-custom {
                width: 100%;
                justify-content: center;
            }
        }