/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --bg-deep: #0A0E0D;
            --bg-card: #101815;
            --bg-soft: #16201D;
            --neon-green: #00E5A0;
            --neon-green-soft: #7CF5D0;
            --amber: #F5A300;
            --text-primary: #E6F2EE;
            --text-secondary: #9BAFA9;
            --text-muted: #4E635D;
            --radius-card: 14px;
            --radius-btn: 8px;
            --glow-green: 0 0 20px rgba(0, 229, 160, 0.12);
            --border-green: 1px solid rgba(0, 229, 160, 0.14);
        }

        /* ===== 基础重置 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Inter', sans-serif;
            background: var(--bg-deep) !important;
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* ===== 焦点可见 ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 2px dashed var(--neon-green);
            outline-offset: 3px;
        }

        /* ===== 区块间距 ===== */
        .section-space {
            padding: 96px 0;
        }
        @media (max-width: 1024px) {
            .section-space {
                padding: 72px 0;
            }
        }
        @media (max-width: 767px) {
            .section-space {
                padding: 56px 0;
            }
        }

        /* ===== 徽章 / 标签 ===== */
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--neon-green);
            text-transform: uppercase;
        }
        .section-tag::before {
            content: '';
            width: 22px;
            height: 2px;
            background: var(--neon-green);
            border-radius: 4px;
        }
        .badge-item {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 999px;
            border: var(--border-green);
            font-size: 12px;
            color: var(--neon-green-soft);
            letter-spacing: 1px;
            background: rgba(0, 229, 160, 0.04);
        }
        .badge-amber {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 999px;
            border: 1px solid rgba(245, 163, 0, 0.25);
            font-size: 12px;
            color: var(--amber);
            background: rgba(245, 163, 0, 0.06);
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--amber);
            color: #0A0E0D;
            font-weight: 700;
            font-size: 15px;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            transition: all 0.3s ease;
            border: 2px solid var(--amber);
            min-width: 130px;
        }
        .btn-primary:hover {
            background: #ffb52e;
            box-shadow: 0 0 28px rgba(245, 163, 0, 0.35);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0) scale(0.97);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--neon-green);
            font-weight: 600;
            font-size: 15px;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(0, 229, 160, 0.45);
            transition: all 0.3s ease;
        }
        .btn-secondary:hover {
            border-color: var(--neon-green);
            background: rgba(0, 229, 160, 0.06);
            box-shadow: 0 0 16px rgba(0, 229, 160, 0.1);
        }
        .btn-contrast {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--neon-green);
            color: #0A0E0D;
            font-weight: 700;
            font-size: 15px;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            transition: all 0.3s ease;
            border: 1px solid var(--neon-green);
        }
        .btn-contrast:hover {
            box-shadow: 0 0 24px rgba(0, 229, 160, 0.3);
            transform: translateX(3px);
        }

        /* ===== 导航 ===== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 72px;
            background: rgba(10, 14, 13, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            z-index: 999;
            border-bottom: 1px solid rgba(0, 229, 160, 0.08);
            transition: background 0.3s ease;
        }
        .nav-inner {
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0px;
            line-height: 1.2;
        }
        .brand-logo .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(0, 229, 160, 0.15), rgba(0, 229, 160, 0.04));
            border: 1px solid rgba(0, 229, 160, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 18px;
            color: var(--neon-green);
            flex-shrink: 0;
        }
        .brand-logo .logo-text {
            display: flex;
            flex-direction: column;
        }
        .brand-logo .logo-text strong {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 1px;
        }
        .nav-links {
            display: flex;
            align-items: center;
        }
        .nav-links .nav-item {
            display: flex;
            align-items: center;
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 18px;
            transition: color 0.3s ease;
        }
        .nav-links .nav-item:hover {
            color: var(--neon-green);
        }
        .nav-links .nav-item.active {
            color: var(--neon-green);
            font-weight: 700;
        }
        .nav-links .nav-item.active::after {
            content: '';
            position: absolute;
            bottom: 0px;
            left: 18px;
            right: 18px;
            height: 2px;
            background: var(--neon-green);
            border-radius: 4px;
            box-shadow: 0 0 12px rgba(0, 229, 160, 0.5);
        }
        .nav-cta {
            margin-left: 12px;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            border: 1px solid rgba(0, 229, 160, 0.2);
            background: transparent;
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--neon-green);
            transition: all 0.3s ease;
            border-radius: 2px;
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* 移动端抽屉 */
        .mobile-menu {
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: rgba(9, 13, 12, 0.98);
            backdrop-filter: blur(18px);
            z-index: 99;
            border-bottom: 1px solid rgba(0, 229, 160, 0.1);
            display: none;
            opacity: 0;
            transform: translateY(-12px);
            transition: opacity 0.3s ease, transform 0.3s ease;
            max-height: calc(100vh - 72px);
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: block;
            opacity: 1;
            transform: translateY(0);
        }
        .mobile-menu a {
            display: block;
            padding: 14px 24px;
            font-size: 16px;
            font-weight: 500;
            border-bottom: 1px solid rgba(0, 229, 160, 0.07);
            color: var(--text-primary);
        }
        .mobile-menu a:hover {
            color: var(--neon-green);
            background: rgba(0, 229, 160, 0.04);
        }
        .mobile-menu a.active {
            color: var(--neon-green);
            font-weight: 700;
            background: rgba(0, 229, 160, 0.06);
        }

        /* 导航下的霓虹线 */
        .neon-line {
            height: 1px;
            background: linear-gradient(to right, transparent, rgba(0, 229, 160, 0.7), transparent);
            position: relative;
            z-index: 998;
        }

        /* ===== Hero ===== */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            padding-top: 120px;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: -2;
            background-size: cover;
            background-position: center;
        }
        .hero-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 14, 13, 0.4);
            z-index: 1;
        }
        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(10, 14, 13, 0.85) 0%, transparent 30%, transparent 60%, var(--bg-deep) 100%);
            z-index: 2;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 48px;
            align-items: center;
            width: 100%;
        }
        .hero-title {
            font-size: 56px;
            line-height: 1.15;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -1px;
            opacity: 0;
            animation: fadeUp 0.6s ease forwards;
        }
        .hero-title .highlight {
            color: var(--neon-green);
            font-weight: 900;
        }
        .hero-title .highlight-amber {
            color: var(--amber);
        }
        .hero_desc {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 530px;
            margin-top: 20px;
            opacity: 0;
            animation: fadeUp 0.6s ease 0.15s forwards;
        }
        .hero-cta-group {
            display: flex;
            gap: 16px;
            margin-top: 36px;
            flex-wrap: wrap;
            opacity: 0;
            animation: fadeUp 0.6s ease 0.3s forwards;
        }
        .hero-stats-card {
            border: var(--border-green);
            border-radius: 20px;
            padding: 32px;
            background: rgba(16, 24, 21, 0.72);
            backdrop-filter: blur(8px);
            display: flex;
            flex-direction: column;
            gap: 18px;
            opacity: 0;
            animation: fadeUp 0.8s ease 0.4s forwards;
        }
        .hero-stat-row {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(0, 229, 160, 0.07);
        }
        .hero-stat-row:last-child {
            border-bottom: none;
        }
        .stat-dot {
            width: 9px;
            height: 9px;
            border-radius: 999px;
            background: var(--neon-green);
            flex-shrink: 0;
            box-shadow: 0 0 1px rgba(0, 229, 160, 0.6);
            animation: pulseDot 2s infinite;
        }
        .hero-stat-row span {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-primary);
        }
        .hero-stat-row small {
            font-size: 13px;
            color: var(--text-muted);
            margin-left: auto;
        }
        .scroll-hint {
            position: absolute;
            bottom: 26px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 9;
            display: flex;
            align-items: center;
            flex-direction: column;
            gap: 8px;
            color: var(--text-muted);
            font-size: 12px;
            letter-spacing: 2px;
        }
        .scroll-hint .arrow-down {
            animation: bounceArrow 2s infinite;
        }

        /* ===== 数据墙 ===== */
        .stats-section {
            background: var(--bg-deep);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            border-top: 1px solid rgba(0, 229, 160, 0.08);
            border-bottom: 1px solid rgba(0, 229, 160, 0.08);
        }
        .stats-grid .stat-col {
            padding: 48px 16px;
            text-align: center;
            position: relative;
            border-left: 1px solid rgba(0, 229, 160, 0.08);
        }
        .stats-grid .stat-col:first-child {
            border-left: none;
        }
        .stats-grid .stat-num {
            font-size: 56px;
            font-weight: 900;
            color: var(--neon-green);
            line-height: 1.1;
            position: relative;
        }
        .stats-grid .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 10px;
            letter-spacing: 1px;
        }
        .stat-corner {
            position: absolute;
            top: 10px;
            right: 10px;
            width: 12px;
            height: 12px;
            border-top: 1px solid var(--neon-green);
            border-right: 1px solid var(--neon-green);
            opacity: 0.3;
        }

        /* ===== 图文展示区 ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .feature-image-wrapper {
            position: relative;
        }
        .feature-image-wrapper::after {
            content: '';
            position: absolute;
            top: 14px;
            left: 14px;
            width: 100%;
            height: 100%;
            border: 2px solid var(--neon-green);
            opacity: 0.15;
            border-radius: 16px;
            z-index: 0;
        }
        .feature-image-wrapper img {
            border-radius: 16px;
            position: relative;
            z-index: 1;
        }
        .feature-tags {
            display: flex;
            gap: 10px;
            position: absolute;
            z-index: 10;
            bottom: -16px;
            left: 20px;
        }
        .feature-list li {
            display: flex;
            gap: 14px;
            padding: 16px 0;
            border-bottom: 1px solid rgba(0, 229, 160, 0.06);
        }
        .feature-list li::before {
            content: '';
            width: 6px;
            height: 6px;
            flex-shrink: 0;
            background: var(--neon-green);
            transform: rotate(45deg);
            margin-top: 10px;
        }
        .arrow-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--neon-green);
            transition: gap 0.3s ease;
        }
        .arrow-link:hover {
            gap: 14px;
        }

        /* ===== 卡片 ===== */
        .info-card {
            background: var(--bg-card) !important;
            border: var(--border-green);
            border-radius: var(--radius-card);
            transition: all 0.3s ease;
        }
        .info-card:hover {
            border-color: rgba(0, 229, 160, 0.4);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
            transform: translateY(-4px);
        }
        .card-large {
            background: var(--bg-card) !important;
            border: var(--border-green);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .card-large:hover {
            border-color: rgba(0, 229, 160, 0.45);
            box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
            transform: translateY(-6px);
        }
        .small-card {
            background: var(--bg-card) !important;
            border: var(--border-green);
            border-radius: var(--radius-card);
            padding: 26px;
            transition: all 0.5s ease;
        }
        .small-card:hover {
            border-color: rgba(0, 229, 160, 0.4);
            transform: translateY(-4px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
        }

        /* ===== CMS资讯列表 ===== */
        .news-layout {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 32px;
        }
        .news-item {
            padding: 18px 0;
            border-bottom: 1px solid rgba(0, 229, 160, 0.08);
            display: flex;
            gap: 16px;
            align-items: center;
        }
        .news-item .news-content h4 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text-primary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.2s ease;
        }
        .news-item .news-content h4:hover {
            color: var(--neon-green);
        }
        .news-item .news-content p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-top: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .empty-news {
            padding: 60px 30px;
            text-align: center;
            background: rgba(255, 255, 255, 0.02);
            border: 1px dashed rgba(0, 229, 160, 0.15);
            border-radius: var(--radius-card);
        }
        .empty-news svg {
            margin: 0 auto 16px;
            width: 48px;
            height: 48px;
            color: var(--text-muted);
        }

        /* ===== FAQ ===== */
        .faq-item {
            border-bottom: 1px solid rgba(0, 229, 160, 0.09);
        }
        .faq-item:first-child {
            border-top: 1px solid rgba(0, 229, 160, 0.09);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 8px;
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            transition: color 0.2s ease;
            user-select: none;
            gap: 16px;
        }
        .faq-question:hover {
            color: var(--neon-green);
        }
        .faq-icon-box {
            width: 28px;
            height: 28px;
            border: 1px solid rgba(0, 229, 160, 0.3);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: transform 0.4s ease;
        }
        .faq-item.open .faq-icon-box {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            color: var(--text-secondary);
            font-size: 15px;
            padding: 0 8px;
        }
        .faq-answer-inner {
            padding-bottom: 22px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: rgba(0, 229, 160, 0.04);
            border-top: 1px solid rgba(0, 229, 160, 0.1);
            border-bottom: 1px solid rgba(0, 229, 160, 0.1);
        }
        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 36px;
            flex-wrap: wrap;
            padding: 24px 0;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0C1110;
            border-top: 1px solid rgba(0, 229, 160, 0.06);
        }
        .footer-grad {
            height: 1px;
            background: linear-gradient(to right, transparent, rgba(0, 229, 160, 0.5), transparent);
        }
        .footer-wrapper {
            display: grid;
            grid-template-columns: 4fr 2fr 3fr 3fr;
            gap: 32px;
            padding: 48px 0 16px;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            margin-top: 16px;
        }
        .footer-nav-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-nav-list a {
            color: var(--text-secondary);
            font-size: 14px;
        }
        .footer-nav-list a:hover {
            color: var(--neon-green);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding: 18px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-muted);
            font-size: 12px;
        }
        .security-line {
            padding: 16px 0;
            background: rgba(255, 255, 255, 0.015);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.03);
            font-size: 12px;
            color: var(--text-muted);
        }
        .shield-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-left: 12px;
            font-size: 12px;
            color: var(--text-secondary);
        }
        .shield-chip i {
            color: var(--neon-green);
        }

        /* ===== 动画 ===== */
        @keyframes fadeUp {
            0% {
                opacity: 0;
                transform: translateY(24px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }
        @keyframes pulseDot {
            0% {
                box-shadow: 0 0 0 0 rgba(0, 229, 160, 0.6);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(0, 229, 160, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(0, 229, 160, 0);
            }
        }
        @keyframes bounceArrow {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(6px);
            }
        }

        /* 减少动效 */
        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .slider-img {
                display: none;
            }
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-menu {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .hero-title {
                font-size: 44px;
            }
            .hero-content {
                grid-template-columns: 1fr 1.2fr;
                gap: 32px;
            }
            .stats-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .stats-grid .stat-col {
                border-top: 1px solid rgba(0, 229, 160, 0.08);
                border-left: 1px solid rgba(0, 229, 160, 0.08);
            }
            .stats-grid .stat-col:nth-child(-n+3) {
                border-top: none;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .footer-wrapper {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .site-nav {
                height: 64px;
            }
            .nav-inner {
                height: 64px;
            }
            .brand-logo .logo-text strong {
                font-size: 17px;
            }
            .brand-logo .logo-mark {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
            .mobile-menu {
                top: 64px;
            }
            .hero {
                padding-top: 92px;
                min-height: 90vh;
            }
            .hero-content {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 36px;
            }
            .hero_desc {
                font-size: 15px;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .hero-cta-group .btn-primary,
            .hero-cta-group .btn-secondary {
                width: 100%;
            }
            .hero-stats-card {
                display: none;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid .stat-col {
                border-top: 1px solid rgba(0, 229, 160, 0.08);
                border-left: 1px solid rgba(0, 229, 160, 0.08);
            }
            .stats-grid .stat-col:nth-child(1),
            .stats-grid .stat-col:nth-child(2) {
                border-top: none;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .footer-wrapper {
                grid-template-columns: 1fr;
                padding-top: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                align-items: flex-start;
            }
            .security-line {
                flex-direction: column;
                align-items: flex-start;
            }
            .section-space {
                padding: 56px 0;
            }
            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 22px;
            }
            .cta-inner .btn-primary {
                width: 100%;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 30px;
            }
            .badge-item {
                margin-bottom: 10px;
            }
            .feature-tags {
                flex-wrap: wrap;
            }
        }

        /* ===== 其他辅助 ===== */
        .text-gradient-green {
            background: linear-gradient(90deg, #00E5A0, #7CF5D0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .play-platform-badge {
            display: inline-flex;
            align-items: center;
            margin: 12px 8px 8px 0;
        }
        .news-tag {
            display: inline-block;
            font-size: 11px;
            padding: 3px 12px;
            border-radius: 20px;
            border: 1px solid rgba(0, 229, 160, 0.18);
            color: var(--neon-green);
            background: rgba(0, 229, 160, 0.05);
            margin-bottom: 6px;
        }
        .dot-separator {
            opacity: 0.6;
            margin: 0 4px;
            color: var(--text-muted);
        }
        .section-title {
            font-size: clamp(26px, 4vw, 38px);
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            margin-top: 10px;
        }

/* roulang page: category1 */
:root{
  --bg-deep:#0A0E0D;--bg-card:#101815;--neon-green:#00E5A0;--neon-green-soft:#7CF5D0;
  --amber:#F5A300;--text-primary:#E6F2EE;--text-secondary:#9BAFA9;--text-muted:#4E635D;
  --radius-card:14px;--radius-btn:8px;--glow-green:0 0 20px rgba(0,229,160,.18);
  --border-green:1px solid rgba(0,229,160,.2);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'PingFang SC','Microsoft YaHei','Noto Sans CJK SC',sans-serif;background:var(--bg-deep);color:var(--text-primary);line-height:1.75;overflow-x:hidden}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
button{font-family:inherit}
.container-custom{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media(max-width:767px){.container-custom{padding-left:16px;padding-right:16px}}
/* header */
.site-nav{position:sticky;top:0;z-index:100;background:rgba(10,14,13,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,229,160,.14)}
.site-nav::after{content:"";display:block;height:1px;background:linear-gradient(to right,transparent,rgba(0,229,160,.7),transparent);position:absolute;bottom:-1px;left:0;right:0}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:20px}
.brand-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:40px;height:40px;border-radius:10px;background:var(--neon-green);color:#0A0E0D;font-size:22px;font-weight:900;display:flex;align-items:center;justify-content:center;box-shadow:0 0 18px rgba(0,229,160,.3);font-family:'Inter',sans-serif}
.logo-text{font-size:18px;letter-spacing:.5px;white-space:nowrap}
.logo-text strong{font-weight:800}
@media(max-width:600px){.logo-text{font-size:15px;max-width:170px;overflow:hidden;text-overflow:ellipsis}}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links .nav-item{position:relative;font-size:15px;padding:8px 2px;transition:color .2s}
.nav-links .nav-item::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--neon-green);box-shadow:0 0 8px rgba(0,229,160,.6);transition:width .25s ease}
.nav-links .nav-item:hover{color:var(--neon-green)}
.nav-links .nav-item:hover::after{width:100%}
.nav-links .nav-item.active{color:var(--neon-green);font-weight:700}
.nav-links .nav-item.active::after{width:100%}
.btn-contrast{display:inline-flex;align-items:center;background:var(--neon-green);color:#0A0E0D;border-radius:8px;font-weight:700;padding:10px 22px;font-size:14px;transition:all .22s ease;border:1px solid var(--neon-green)}
.btn-contrast:hover{background:var(--amber);border-color:var(--amber);box-shadow:0 0 20px rgba(245,163,0,.25);transform:translateY(-1px)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:10px;z-index:120}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--text-primary);margin:5px 0;border-radius:2px;transition:.3s}
@media(max-width:1023px){
  .nav-inner{height:64px}
  .nav-links{position:fixed;top:0;right:-280px;width:280px;height:100vh;background:#0C1210;flex-direction:column;justify-content:flex-start;align-items:flex-start;gap:0;padding:96px 32px 32px;transition:right .35s ease;border-left:1px solid rgba(0,229,160,.18);box-shadow:-10px 0 40px rgba(0,0,0,.6)}
  .nav-links.open{right:0}
  .nav-links .nav-item{width:100%;padding:16px 0;border-bottom:1px solid rgba(0,229,160,.08);font-size:17px}
  .nav-links .nav-item::after{display:none}
  .nav-cta{margin-top:32px;width:100%}
  .nav-cta .btn-contrast{width:100%;justify-content:center;padding:14px}
  .nav-toggle{display:block;position:relative;z-index:130}
  .nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}
@media(min-width:1024px){.nav-links{display:flex}}
body.no-scroll{overflow:hidden}
/* hero */
.cat-hero{position:relative;min-height:480px;display:flex;align-items:center;padding:80px 0 72px;background:linear-gradient(to right,rgba(10,14,13,.22),rgba(10,14,13,.88)),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;border-bottom:1px solid rgba(0,229,160,.15)}
.cat-hero::after{content:"";position:absolute;inset:auto 0 0 0;height:1px;background:linear-gradient(to right,transparent,rgba(0,229,160,.4),transparent)}
.cat-hero .container-custom{position:relative;z-index:2}
.cat-hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center}
.cat-hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(0,229,160,.1);border:1px solid rgba(0,229,160,.3);color:var(--neon-green);font-size:14px;padding:6px 16px;border-radius:999px;margin-bottom:24px;letter-spacing:.5px}
.cat-hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--neon-green);box-shadow:0 0 8px rgba(0,229,160,.8);animation:pulse-dot 1.8s infinite}
@keyframes pulse-dot{0%,100%{opacity:1}50%{opacity:.3}}
.cat-hero h1{font-size:52px;font-weight:800;line-height:1.2;margin-bottom:20px;letter-spacing:1px}
.cat-hero h1 .highlight{color:var(--neon-green);text-shadow:0 0 32px rgba(0,229,160,.25)}
.cat-hero h1 .mini-panel{display:inline-block;width:12px;height:12px;background:var(--amber);margin-right:2px;vertical-align:baseline;transform:rotate(45deg)}
.cat-hero-desc{font-size:17px;color:var(--text-secondary);max-width:620px;margin-bottom:32px;line-height:1.9}
.hero-cta-row{display:flex;gap:16px;flex-wrap:wrap}
.btn-primary-amber{display:inline-flex;align-items:center;justify-content:center;background:var(--amber);color:#0A0E0D;padding:14px 30px;border-radius:8px;font-weight:800;font-size:16px;transition:all .22s ease;border:1px solid var(--amber);box-shadow:0 4px 18px rgba(245,163,0,.18)}
.btn-primary-amber:hover{background:#ffb320;box-shadow:0 0 24px rgba(245,163,0,.4);transform:translateY(-2px)}
.btn-outline-green{display:inline-flex;align-items:center;justify-content:center;background:transparent;border:1px solid rgba(0,229,160,.6);color:var(--neon-green);padding:13px 28px;border-radius:8px;font-weight:700;font-size:15px;transition:all .22s ease}
.btn-outline-green:hover{background:rgba(0,229,160,.06);box-shadow:var(--glow-green)}
.hero-visual-side{position:relative;display:flex;justify-content:center}
.hero-float-card{width:300px;background:rgba(14,20,18,.88);border:1px solid rgba(0,229,160,.25);border-radius:16px;padding:26px 24px;transform:translateY(0);transition:transform .3s}
.hero-float-card:hover{transform:translateY(-6px)}
.hero-float-card .fc-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:20px;letter-spacing:.4px}
.hero-float-card .fc-item{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid rgba(0,229,160,.07)}
.hero-float-card .fc-item:last-child{border-bottom:0}
.fc-dot{width:7px;height:7px;border-radius:50%;background:var(--neon-green);box-shadow:0 0 10px rgba(0,229,160,.7);flex-shrink:0}
.fc-dot.amber{background:var(--amber);box-shadow:0 0 10px rgba(245,163,0,.4)}
.fc-text{display:flex;flex-direction:column}
.fc-text span{font-size:14px;font-weight:600;color:var(--text-primary)}
.fc-text em{font-style:normal;font-size:12px;color:var(--text-muted)}
@media(max-width:1024px){.cat-hero{padding:60px 0}.cat-hero-grid{grid-template-columns:1fr;gap:40px}.hero-visual-side{display:none}.cat-hero h1{font-size:38px}}
@media(max-width:767px){.cat-hero h1{font-size:31px}.cat-hero-desc{font-size:15px}.hero-cta-row .btn-primary-amber,.hero-cta-row .btn-outline-green{width:100%;margin-left:auto;margin-right:auto}.cat-hero{min-height:auto}}
/* section spacing */
.page-section{padding:96px 0}
@media(max-width:767px){.page-section{padding:56px 0}}
.sec-head{margin-bottom:48px}
.sec-tag{display:inline-block;color:var(--amber);font-size:13px;font-weight:700;letter-spacing:2px;margin-bottom:12px}
.sec-tag::before{content:"";display:inline-block;width:22px;height:2px;background:var(--amber);vertical-align:middle;margin-right:10px}
.sec-title{font-size:34px;font-weight:800;line-height:1.3;margin-bottom:14px;letter-spacing:.5px}
.sec-title .sp-green{color:var(--neon-green)}
.sec-desc{color:var(--text-secondary);font-size:16px;max-width:680px;line-height:1.8}
@media(max-width:767px){.sec-title{font-size:26px}.sec-desc{font-size:14px}}
/* anchor nav */
.anchor-bar{background:rgba(16,24,21,.7);border:1px solid rgba(0,229,160,.14);border-radius:var(--radius-card);padding:18px 28px;margin-bottom:72px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.anchor-bar .anchor-label{color:var(--neon-green);font-weight:600;font-size:14px;flex-shrink:0}
.anchor-bar a{color:var(--text-secondary);font-size:14px;padding:6px 16px;border-radius:999px;transition:all .2s}
.anchor-bar a:hover,.anchor-bar a.on{color:var(--neon-green);background:rgba(0,229,160,.07)}
@media(max-width:767px){.anchor-bar{flex-direction:column;align-items:flex-start;gap:10px}}
/* timeline style for category1 */
.guide-section{margin-bottom:100px}
.guide-section:last-child{margin-bottom:0}
.guide-index{font-size:16px;font-weight:800;color:var(--neon-green);letter-spacing:2px;margin-bottom:18px;display:flex;align-items:center;gap:16px}
.guide-index::after{content:"";flex:1;max-width:200px;height:1px;background:linear-gradient(to right,rgba(0,229,160,.5),transparent)}
.guide-index .num{font-family:'Inter',sans-serif;font-size:28px;color:var(--neon-green);background:rgba(0,229,160,.06);border:1px solid rgba(0,229,160,.2);width:58px;height:58px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center}
.guide-main{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center;background:linear-gradient(135deg,rgba(14,20,18,.7),rgba(14,20,18,.3));border:1px solid rgba(0,229,160,.1);border-radius:18px;padding:36px}
.guide-content h3{font-size:26px;font-weight:700;margin-bottom:16px;letter-spacing:.3px}
.guide-content p{color:var(--text-secondary);font-size:15px;line-height:1.9;margin-bottom:14px}
.guide-content p strong{color:var(--text-primary)}
.guide-img{border-radius:14px;overflow:hidden;border:1px solid rgba(0,229,160,.12);box-shadow:0 12px 36px rgba(0,0,0,.4)}
.guide-img img{width:100%;height:230px;object-fit:cover;transition:transform .45s}
.guide-img:hover img{transform:scale(1.03)}
@media(max-width:900px){.guide-main{grid-template-columns:1fr;padding:24px}.guide-img img{height:200px}}
/* quick result block */
.result-band{background:linear-gradient(to right,rgba(0,229,160,.09),rgba(0,229,160,.02));border:1px solid rgba(0,229,160,.15);border-radius:14px;padding:20px 28px;display:flex;align-items:center;gap:16px;margin-top:24px;flex-wrap:wrap}
.result-band i{color:var(--amber);font-size:18px}
.result-band span{font-size:14px;color:var(--text-secondary);line-height:1.7}
.result-band span b{color:var(--neon-green)}
/* 小卡片三个步骤 */
.step-mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
@media(max-width:767px){.step-mini-grid{grid-template-columns:1fr}}
.step-mini{background:var(--bg-card);border:1px solid rgba(0,229,160,.09);border-radius:var(--radius-card);padding:26px 22px;transition:all .25s}
.step-mini:hover{border-color:rgba(0,229,160,.4);transform:translateY(-4px)}
.step-mini .s-no{font-family:'Inter',sans-serif;font-size:15px;font-weight:800;color:var(--neon-green);display:inline-block;background:rgba(0,229,160,.1);border-radius:6px;padding:4px 10px;margin-bottom:18px}
.step-mini h4{color:var(--text-primary);font-size:17px;font-weight:600;margin-bottom:10px}
.step-mini p{color:var(--text-muted);font-size:13px;line-height:1.7}
/* common FAQ */
.faq-wrap{background:rgba(16,24,21,.4);border-radius:18px;padding:40px 36px;border:1px solid rgba(0,229,160,.1)}
.faq-item{border-bottom:1px solid rgba(0,229,160,.1);padding:26px 4px}
.faq-item:last-child{border-bottom:0}
.faq-q{display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-size:17px;font-weight:600;color:var(--text-primary);line-height:1.6;gap:14px}
.faq-q .ic{transition:transform .3s;color:var(--neon-green);font-size:20px;flex-shrink:0}
.faq-item.open .faq-q .ic{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--text-secondary);font-size:14px;line-height:1.85}
.faq-item.open .faq-a{max-height:600px;margin-top:10px;padding-right:8px}
@media(max-width:767px){.faq-wrap{padding:24px 20px}.faq-q{font-size:15px}}
/* CTA */
.cta-band{margin-top:24px;background:linear-gradient(to right,rgba(245,163,0,.08),rgba(0,229,160,.08));border:1px solid rgba(0,229,160,.2);border-radius:18px;padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;overflow:hidden}
.cta-band::before{content:'';position:absolute;top:-60%;right:-10%;width:320px;height:320px;background:radial-gradient(circle,rgba(0,229,160,.12),transparent 68%);border-radius:50%}
.cta-band h3{font-size:27px;font-weight:800;line-height:1.4;margin-bottom:10px}
.cta-band p{color:var(--text-secondary);font-size:15px}
@media(max-width:900px){.cta-band{flex-direction:column;text-align:center;padding:40px 24px}}
/* footer */
.site-footer{background:#0C1110;border-top:1px solid rgba(0,229,160,.12)}
.footer-grad{height:1px;background:linear-gradient(to right,transparent,rgba(0,229,160,.6),transparent)}
.footer-wrapper{display:grid;grid-template-columns:3fr 2fr 2fr 2.2fr;gap:50px;padding:70px 0 48px}
@media(max-width:1024px){.footer-wrapper{grid-template-columns:1fr 1fr;gap:40px}}
@media(max-width:600px){.footer-wrapper{grid-template-columns:1fr;gap:32px}}
.footer-brand p{font-size:14px;color:var(--text-muted);line-height:1.85;margin-top:6px;max-width:330px}
.footer-nav-list{display:flex;flex-direction:column;gap:10px}
.footer-nav-list a{font-size:13px;color:var(--text-secondary);transition:color .2s,padding-left .2s}
.footer-nav-list a:hover{color:var(--neon-green);padding-left:6px}
.security-line{display:flex;justify-content:space-between;align-items:center;gap:16px;border-top:1px solid rgba(0,229,160,.08);padding:18px 0 26px;flex-wrap:wrap}
.security-line span{color:var(--text-muted);font-size:12px}
.security-badges{display:flex;gap:14px;flex-wrap:wrap}
.security-badges span{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-secondary)}
.security-badges i{color:var(--neon-green)}
:focus-visible{outline:2px dashed rgba(0,229,160,.7);outline-offset:3px}
::selection{background:rgba(0,229,160,.25)}

/* roulang page: article */
:root{
        --bg-deep:#0a0e0d;
        --bg-card:#101815;
        --bg-soft:#16201d;
        --neon-green:#00e5a0;
        --neon-green-soft:#7cf5d0;
        --amber:#f5a300;
        --text-primary:#e6f2ee;
        --text-secondary:#9bafa9;
        --text-muted:#4e635d;
        --radius-card:14px;
        --radius-btn:8px;
        --radius-pill:999px;
        --glow-green:0 0 20px rgba(0,229,160,.18);
        --border-green:1px solid rgba(0,229,160,.2);
        --shadow-card:0 8px 30px rgba(0,0,0,.35);
        --transition:all .2s ease;
    }

    *{
        box-sizing:border-box;
    }
    html{
        scroll-behavior:smooth;
    }
    body{
        margin:0;
        background:var(--bg-deep);
        color:var(--text-primary);
        font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
        font-size:16px;
        line-height:1.75;
        -webkit-font-smoothing:antialiased;
    }
    img{
        max-width:100%;
        display:block;
    }
    a{
        color:var(--text-primary);
        text-decoration:none;
        transition:var(--transition);
    }
    a:hover{
        color:var(--neon-green);
    }
    ul,ol,p,figure{
        margin:0;
        padding:0;
    }
    button{
        font-family:inherit;
    }
    a:focus-visible,button:focus-visible{
        outline:2px dashed var(--neon-green);
        outline-offset:3px;
        border-radius:6px;
    }
    .container-custom{
        width:100%;
        max-width:1200px;
        margin-left:auto;
        margin-right:auto;
        padding-left:24px;
        padding-right:24px;
    }
    @media(max-width:767px){
        .container-custom{
            padding-left:18px;
            padding-right:18px;
        }
    }

    /* ----- 顶部导航 ----- */
    .site-nav{
        position:fixed;
        top:0;
        left:0;
        right:0;
        z-index:1000;
        background:rgba(10,14,13,.92);
        backdrop-filter:blur(14px);
        border-bottom:1px solid rgba(0,229,160,.14);
        min-height:76px;
    }
    .nav-inner{
        min-height:76px;
        display:flex;
        align-items:center;
        gap:24px;
        justify-content:space-between;
    }
    .brand-logo{
        display:flex;
        align-items:center;
        gap:11px;
        flex-shrink:0;
    }
    .logo-mark{
        width:42px;
        height:42px;
        border-radius:12px;
        display:flex;
        align-items:center;
        justify-content:center;
        font-weight:800;
        font-size:20px;
        color:var(--neon-green);
        background:linear-gradient(135deg,rgba(0,229,160,.18),rgba(0,229,160,.05));
        border:1px solid rgba(0,229,160,.4);
        box-shadow:var(--glow-green);
        line-height:1;
    }
    .logo-text{
        font-size:16px;
        color:var(--text-primary);
        white-space:nowrap;
        letter-spacing:.01em;
    }
    .logo-text strong{
        font-size:18px;
        font-weight:800;
    }
    .nav-links{
        display:flex;
        align-items:center;
        gap:24px;
        margin-left:auto;
    }
    .nav-item{
        position:relative;
        font-size:15px;
        font-weight:500;
        color:var(--text-secondary);
        padding:10px 2px;
        letter-spacing:.04em;
        white-space:nowrap;
    }
    .nav-item:after{
        content:"";
        position:absolute;
        left:50%;
        right:50%;
        bottom:0;
        height:2px;
        background:var(--neon-green);
        border-radius:2px;
        box-shadow:0 0 10px rgba(0,229,160,.6);
        transform-origin:center;
        transition:left .25s ease,right .25s ease;
    }
    .nav-item:hover{
        color:var(--neon-green);
    }
    .nav-item:hover:after,
    .nav-item.active:after{
        left:0;
        right:0;
    }
    .nav-item.active{
        color:var(--neon-green);
        font-weight:600;
    }
    .nav-cta{
        display:flex;
        align-items:center;
    }
    .btn-contrast{
        display:inline-flex;
        align-items:center;
        gap:4px;
        background:var(--neon-green);
        color:#0a0e0d;
        font-weight:700;
        font-size:14px;
        padding:10px 20px;
        border-radius:var(--radius-btn);
        line-height:1;
        white-space:nowrap;
        transition:var(--transition);
        box-shadow:0 0 14px rgba(0,229,160,.12);
    }
    .btn-contrast:hover{
        background:var(--amber);
        color:#0a0e0d;
        box-shadow:0 0 22px rgba(245,163,0,.25);
        transform:translateY(-2px);
    }
    .nav-toggle{
        display:none;
        width:44px;
        height:40px;
        border:1px solid rgba(0,229,160,.25);
        border-radius:var(--radius-btn);
        background:rgba(0,229,160,.04);
        flex-direction:column;
        align-items:center;
        justify-content:center;
        gap:4px;
        cursor:pointer;
        transition:var(--transition);
    }
    .nav-toggle span{
        width:20px;
        height:2px;
        border-radius:6px;
        background:var(--neon-green);
        transition:var(--transition);
    }
    .nav-toggle:hover{
        border-color:var(--neon-green);
        box-shadow:var(--glow-green);
    }

    @media(max-width:1023px){
        .nav-links{
            position:fixed;
            top:76px;
            right:0;
            bottom:0;
            width:300px;
            max-width:82vw;
            background:rgba(10,15,14,.98);
            backdrop-filter:blur(18px);
            flex-direction:column;
            align-items:flex-start;
            gap:0;
            padding:28px 28px 36px;
            transform:translateX(105%);
            transition:transform .3s ease;
            border-left:1px solid rgba(0,229,160,.18);
            overflow-y:auto;
            box-shadow:-20px 0 40px rgba(0,0,0,.4);
        }
        .nav-links.open{
            transform:translateX(0);
        }
        .nav-item{
            width:100%;
            padding:16px 0;
            font-size:16px;
            border-bottom:1px solid rgba(0,229,160,.12);
        }
        .nav-item:after{
            display:none;
        }
        .nav-item:hover{
            padding-left:8px;
            background:linear-gradient(90deg,rgba(0,229,160,.06),transparent);
        }
        .nav-cta{
            width:100%;
            margin-top:24px;
        }
        .nav-cta .btn-contrast{
            width:100%;
            justify-content:center;
        }
        .nav-toggle{
            display:inline-flex;
            margin-left:auto;
        }
    }

    /* ----- 文章页横幅 ----- */
    .article-page-hero{
        margin-top:76px;
        position:relative;
        padding:76px 0 64px;
        background:linear-gradient(90deg,rgba(10,14,13,.66),rgba(10,14,13,.8),rgba(10,14,13,.96)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
        border-bottom:1px solid rgba(0,229,160,.16);
    }
    .article-page-hero:before{
        content:"";
        position:absolute;
        left:0;
        right:0;
        bottom:-1px;
        height:3px;
        background:linear-gradient(90deg,transparent,rgba(0,229,160,.4),rgba(0,229,160,.8),rgba(0,229,160,.4),transparent);
    }
    .breadcrumb{
        display:flex;
        flex-wrap:wrap;
        align-items:center;
        gap:10px;
        font-size:13px;
        color:var(--text-secondary);
        margin-bottom:22px;
        letter-spacing:.04em;
    }
    .breadcrumb i{
        font-size:12px;
        color:var(--text-muted);
    }
    .breadcrumb a{
        color:var(--text-muted);
    }
    .breadcrumb a:hover{
        color:var(--neon-green);
    }
    .breadcrumb .current{
        color:var(--neon-green-soft);
        max-width:220px;
        overflow:hidden;
        text-overflow:ellipsis;
        white-space:nowrap;
    }
    .article-page-hero h1{
        font-size:38px;
        line-height:1.35;
        font-weight:800;
        max-width:780px;
        margin:0 0 22px;
        letter-spacing:.02em;
    }
    .article-page-hero h1 span{
        color:var(--neon-green);
    }
    @media(max-width:767px){
        .article-page-hero{
            margin-top:60px;
            padding:46px 0 36px;
        }
        .article-page-hero h1{
            font-size:26px;
            line-height:1.4;
        }
        .breadcrumb .current{
            max-width:120px;
        }
    }

    /* ----- 布局主体 ----- */
    .post-layout{
        display:grid;
        grid-template-columns:minmax(0,1fr) 340px;
        gap:48px;
        padding-top:52px;
        padding-bottom:72px;
        align-items:start;
    }
    .post-main, .post-side{
        min-width:0;
    }

    /* 文章正文 */
    .post-meta{
        display:flex;
        flex-wrap:wrap;
        gap:18px 32px;
        padding-bottom:22px;
        margin-bottom:36px;
        border-bottom:1px solid rgba(0,229,160,.16);
        font-size:13px;
        color:var(--text-secondary);
    }
    .meta-item{
        display:inline-flex;
        align-items:center;
        gap:6px;
    }
    .meta-item i{
        color:var(--neon-green);
        font-size:14px;
    }
    .cms-content{
        font-size:17px;
        line-height:1.95;
        color:#d9e7e2;
        overflow-wrap:break-word;
    }
    .cms-content > *+*{
        margin-top:1.2em;
    }
    .cms-content h2{
        font-size:25px;
        margin:1.8em 0 .7em;
        color:var(--text-primary);
        line-height:1.4;
        font-weight:700;
        padding-left:14px;
        border-left:3px solid var(--neon-green);
    }
    .cms-content h3{
        font-size:20px;
        margin:1.6em 0 .6em;
        color:var(--text-primary);
        font-weight:700;
        line-height:1.5;
    }
    .cms-content p{
        margin:1.15em 0;
    }
    .cms-content blockquote{
        background:rgba(0,229,160,.05);
        border-left:3px solid var(--neon-green);
        margin:1.8em 0;
        padding:22px 24px;
        color:var(--neon-green-soft);
        border-radius:0 10px 10px 0;
        font-size:16px;
        line-height:1.9;
    }
    .cms-content ul,
    .cms-content ol{
        padding-left:1.2em;
        margin:1.4em 0;
    }
    .cms-content ul li,
    .cms-content ol li{
        margin:.6em 0;
    }
    .cms-content img{
        border-radius:14px;
        border:1px solid rgba(0,229,160,.14);
        margin:1.8em 0;
        box-shadow:var(--shadow-card);
    }
    .cms-content hr{
        border:none;
        border-top:1px solid rgba(0,229,160,.14);
        margin:2.2em 0;
    }
    .cms-content a{
        color:var(--neon-green);
        border-bottom:1px solid rgba(0,229,160,.35);
        padding-bottom:1px;
    }
    .cms-content a:hover{
        color:var(--neon-green-soft);
    }

    /* 标签 */
    .post-tags{
        display:flex;
        flex-wrap:wrap;
        gap:10px;
        margin-top:42px;
        padding-top:22px;
        border-top:1px solid rgba(0,229,160,.12);
    }
    .post-tag{
        display:inline-flex;
        align-items:center;
        gap:5px;
        background:rgba(0,229,160,.06);
        border:1px solid rgba(0,229,160,.22);
        color:var(--text-secondary);
        font-size:12px;
        padding:5px 12px;
        border-radius:999px;
        line-height:1.6;
    }
    .post-tag i{
        color:var(--neon-green);
        font-size:11px;
    }

    /* 上一篇下一篇 */
    .prev-next{
        display:grid;
        grid-template-columns:1fr 1fr;
        gap:14px;
        margin-top:34px;
    }
    .pn-item{
        display:flex;
        align-items:center;
        gap:10px;
        background:var(--bg-card);
        border:1px solid rgba(0,229,160,.13);
        border-radius:var(--radius-card);
        padding:15px 18px;
        font-size:14px;
        color:var(--text-secondary);
        line-height:1.55;
        transition:var(--transition);
        min-height:60px;
    }
    .pn-item:hover{
        border-color:rgba(0,229,160,.4);
        color:var(--neon-green);
        transform:translateY(-2px);
        box-shadow:var(--glow-green);
    }
    .pn-item.next{
        justify-content:flex-end;
        text-align:right;
    }
    .pn-item.disabled{
        cursor:not-allowed;
        opacity:.48;
        transform:none !important;
        box-shadow:none !important;
        color:var(--text-muted);
        font-size:13px;
    }
    .pn-item.disabled:hover{
        color:var(--text-muted);
        border-color:rgba(0,229,160,.13);
    }

    /* 内容为空 */
    .empty-box{
        border:1px dashed rgba(0,229,160,.22);
        border-radius:18px;
        padding:66px 28px;
        text-align:center;
        background:var(--bg-card);
        position:relative;
        overflow:hidden;
    }
    .empty-box:before{
        content:"";
        position:absolute;
        inset:-1px;
        background:radial-gradient(rgba(0,229,160,.05) 1px,transparent 1px);
        background-size:18px 18px;
        pointer-events:none;
    }
    .empty-box .empty-icon{
        width:64px;
        height:64px;
        border-radius:18px;
        border:1px solid rgba(0,229,160,.28);
        background:rgba(0,229,160,.06);
        display:flex;
        align-items:center;
        justify-content:center;
        margin:0 auto 20px;
        font-size:24px;
        color:var(--neon-green);
        box-shadow:var(--glow-green);
    }
    .empty-box h2{
        font-size:22px;
        color:var(--text-primary);
        font-weight:700;
        margin:0 0 12px;
    }
    .empty-box p{
        color:var(--text-muted);
        font-size:14px;
        margin-bottom:26px;
    }
    .btn-back-home{
        display:inline-flex;
        align-items:center;
        gap:8px;
        background:var(--neon-green);
        color:#0a0e0d;
        font-weight:700;
        font-size:14px;
        padding:12px 24px;
        border-radius:var(--radius-btn);
        transition:var(--transition);
    }
    .btn-back-home:hover{
        background:var(--amber);
        color:#0a0e0d;
        transform:translateY(-2px);
        box-shadow:0 0 18px rgba(245,163,0,.2);
    }

    /* 侧栏 */
    .post-side{
        position:sticky;
        top:104px;
        display:flex;
        flex-direction:column;
        gap:26px;
    }
    .side-widget{
        background:var(--bg-card);
        border:1px solid rgba(0,229,160,.13);
        border-radius:var(--radius-card);
        padding:22px 20px;
        box-shadow:var(--shadow-card);
    }
    .side-widget-head{
        display:flex;
        align-items:center;
        gap:10px;
        padding-bottom:13px;
        border-bottom:1px solid rgba(0,229,160,.16);
        margin-bottom:12px;
    }
    .side-widget-head i{
        width:34px;
        height:34px;
        flex-shrink:0;
        border-radius:10px;
        background:rgba(0,229,160,.08);
        border:1px solid rgba(0,229,160,.2);
        display:inline-flex;
        align-items:center;
        justify-content:center;
        color:var(--neon-green);
        font-size:15px;
    }
    .side-widget-head h2{
        font-size:15px;
        font-weight:700;
        color:var(--text-primary);
        margin:0;
        line-height:1.4;
    }
    .side-widget-head small{
        display:block;
        color:var(--text-muted);
        font-size:11px;
        font-weight:400;
        margin-top:2px;
    }
    .side-link-list{
        display:flex;
        flex-direction:column;
        gap:0;
    }
    .side-link-list a{
        display:flex;
        gap:12px;
        align-items:flex-start;
        padding:12px 2px;
        border-bottom:1px solid rgba(0,229,160,.08);
        color:var(--text-secondary);
        font-size:13px;
        line-height:1.6;
        transition:var(--transition);
        position:relative;
    }
    .side-link-list a:last-child{
        border-bottom:none;
    }
    .side-link-list a i{
        color:var(--neon-green);
        font-size:12px;
        margin-top:5px;
        transition:var(--transition);
    }
    .side-link-list a:hover{
        color:var(--neon-green);
        padding-left:6px;
    }
    .side-link-list a:hover i{
        transform:translateX(3px);
    }
    .side-link-list .side-date{
        display:block;
        font-size:11px;
        color:var(--text-muted);
        margin-top:4px;
    }
    .side-widget-promo{
        background:linear-gradient(155deg,rgba(0,229,160,.08),transparent 40%),var(--bg-card);
        border:1px solid rgba(0,229,160,.2);
        padding:18px;
        text-align:center;
    }
    .side-promo-figure{
        border-radius:12px;
        overflow:hidden;
        border:1px solid rgba(0,229,160,.18);
        margin-bottom:14px;
        transform:rotate(-1deg);
        box-shadow:0 8px 24px rgba(0,0,0,.3);
    }
    .side-promo-figure img{
        width:100%;
        height:128px;
        object-fit:cover;
    }
    .side-promo-figure:hover img{
        transform:scale(1.02);
    }
    .side-widget-promo p{
        font-size:13px;
        color:var(--text-secondary);
        line-height:1.8;
    }
    .side-widget-promo .btn-line-primary{
        display:inline-block;
        border:1px solid rgba(0,229,160,.45);
        border-radius:var(--radius-btn);
        color:var(--neon-green);
        font-weight:600;
        font-size:13px;
        padding:8px 18px;
        margin-top:4px;
    }
    .side-widget-promo .btn-line-primary:hover{
        background:rgba(0,229,160,.08);
        border-color:var(--neon-green);
        color:var(--neon-green-soft);
        box-shadow:var(--glow-green);
    }

    /* 探索卡片 */
    .explore-section{
        padding:56px 0 76px;
        border-top:1px solid rgba(0,229,160,.12);
        background:linear-gradient(180deg,rgba(16,24,21,.4),transparent);
    }
    .section-muted-title{
        font-size:13px;
        letter-spacing:.2em;
        color:var(--neon-green);
        font-weight:600;
        margin-bottom:8px;
    }
    .explore-section h2{
        font-size:30px;
        font-weight:800;
        margin:0 0 32px;
        color:var(--text-primary);
    }
    .explore-grid{
        display:grid;
        grid-template-columns:repeat(3,1fr);
        gap:18px;
    }
    .explore-card{
        position:relative;
        background:var(--bg-card);
        border:1px solid rgba(0,229,160,.13);
        border-radius:var(--radius-card);
        padding:24px;
        transition:var(--transition);
        overflow:hidden;
    }
    .explore-card:before{
        content:"";
        position:absolute;
        left:0;
        top:0;
        width:3px;
        height:46px;
        background:linear-gradient(180deg,var(--neon-green),transparent);
        border-radius:0 3px 3px 0;
        opacity:.7;
        transition:var(--transition);
    }
    .explore-card:hover{
        transform:translateY(-6px);
        border-color:rgba(0,229,160,.5);
        box-shadow:var(--glow-green),var(--shadow-card);
    }
    .explore-card i{
        width:42px;
        height:42px;
        border-radius:12px;
        display:inline-flex;
        align-items:center;
        justify-content:center;
        background:rgba(0,229,160,.09);
        border:1px solid rgba(0,229,160,.22);
        color:var(--neon-green);
        font-size:18px;
        margin-bottom:18px;
    }
    .explore-card h3{
        font-size:17px;
        margin:0 0 8px;
        font-weight:700;
        color:var(--text-primary);
        line-height:1.5;
    }
    .explore-card p{
        font-size:13px;
        color:var(--text-secondary);
        line-height:1.75;
    }
    .explore-link{
        display:inline-flex;
        align-items:center;
        gap:6px;
        font-size:13px;
        color:var(--neon-green);
        margin-top:16px;
        font-weight:500;
    }
    .explore-link i{
        width:auto;
        height:auto;
        background:none;
        border:none;
        margin:0;
        font-size:12px;
    }

    /* 返回入口 */
    .back-entry-cta{
        padding-bottom:70px;
    }
    .back-entry-card{
        position:relative;
        background:linear-gradient(120deg,rgba(0,229,160,.1),rgba(16,24,21,.8)),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
        border:1px solid rgba(0,229,160,.22);
        border-radius:18px;
        overflow:hidden;
        padding:44px 48px;
        display:flex;
        align-items:center;
        justify-content:space-between;
        gap:30px;
        box-shadow:var(--shadow-card);
    }
    .back-entry-card h2{
        font-size:26px;
        color:#fff;
        font-weight:800;
        line-height:1.4;
        margin:0 0 6px;
    }
    .back-entry-card p{
        color:var(--text-secondary);
        font-size:14px;
        line-height:1.8;
        margin-top:4px;
    }
    .back-entry-card .btn-entry-main{
        display:inline-flex;
        align-items:center;
        gap:9px;
        background:var(--amber);
        color:#0a0e0d;
        padding:15px 26px;
        border-radius:var(--radius-btn);
        font-weight:700;
        font-size:15px;
        white-space:nowrap;
        box-shadow:0 0 24px rgba(245,163,0,.18);
        transition:var(--transition);
    }
    .back-entry-card .btn-entry-main:hover{
        background:#ffb51e;
        transform:translateX(4px);
        color:#0a0e0d;
        box-shadow:0 0 30px rgba(245,163,0,.3);
    }

    /* 页脚 */
    .site-footer{
        background:#0b100e;
        border-top:1px solid rgba(0,229,160,.1);
        padding-top:52px;
        padding-bottom:20px;
        position:relative;
    }
    .footer-grad{
        position:absolute;
        top:0;
        left:0;
        right:0;
        height:2px;
        background:linear-gradient(90deg,transparent,rgba(0,229,160,.7),transparent);
    }
    .footer-wrapper{
        display:grid;
        grid-template-columns:4.2fr 2fr 2.5fr 3fr;
        gap:40px;
        padding-bottom:28px;
    }
    .footer-brand p{
        font-size:13px;
        color:var(--text-muted);
        line-height:1.9;
        max-width:360px;
        margin-top:8px;
    }
    .footer-nav-list{
        display:flex;
        flex-direction:column;
        gap:4px;
    }
    .footer-nav-list a{
        font-size:13px;
        color:var(--text-secondary);
        padding:7px 0;
        border-bottom:1px dashed rgba(0,229,160,.1);
        transition:var(--transition);
    }
    .footer-nav-list a:hover{
        color:var(--neon-green);
        padding-left:6px;
        border-color:rgba(0,229,160,.3);
    }
    .security-line{
        display:flex;
        flex-wrap:wrap;
        align-items:center;
        justify-content:space-between;
        gap:10px;
        border-top:1px solid rgba(0,229,160,.14);
        padding-top:18px;
        margin-top:12px;
        font-size:12px;
        color:var(--text-muted);
    }
    .security-shields{
        display:flex;
        flex-wrap:wrap;
        gap:8px;
    }
    .security-shields span{
        display:inline-flex;
        align-items:center;
        gap:5px;
        font-size:12px;
        border:1px solid rgba(0,229,160,.14);
        border-radius:999px;
        padding:4px 12px;
        color:var(--text-secondary);
        background:rgba(0,229,160,.03);
    }
    .security-shields i{
        color:var(--neon-green);
        font-size:12px;
    }

    @media(max-width:1023px){
        .post-layout{
            grid-template-columns:1fr;
            gap:36px;
        }
        .post-side{
            position:static;
            display:grid;
            grid-template-columns:1fr 1fr;
            gap:18px;
            align-items:start;
        }
        .explore-grid{
            grid-template-columns:repeat(3,1fr);
        }
        .footer-wrapper{
            grid-template-columns:1fr 1fr;
            gap:32px;
        }
    }
    @media(max-width:767px){
        .explore-grid{
            grid-template-columns:1fr;
            gap:14px;
        }
        .explore-card{
            padding:18px;
        }
        .post-side{
            grid-template-columns:1fr;
        }
        .footer-wrapper{
            grid-template-columns:1fr;
            gap:24px;
        }
        .prev-next{
            grid-template-columns:1fr;
        }
        .pn-item.next{
            justify-content:flex-start;
            text-align:left;
        }
        .back-entry-card{
            flex-direction:column;
            padding:28px 22px;
            align-items:flex-start;
        }
        .back-entry-card h2{
            font-size:21px;
        }
        .back-entry-card .btn-entry-main{
            width:100%;
            justify-content:center;
        }
        .security-line{
            flex-direction:column;
            align-items:flex-start;
        }
        .article-page-hero h1{
            font-size:23px;
        }
        .cms-content{
            font-size:16px;
        }
    }
    @media(prefers-reduced-motion:reduce){
        *,*:before,*:after{
            animation-duration:.01ms !important;
            transition-duration:.01ms !important;
            scroll-behavior:auto !important;
        }
    }

/* roulang page: category2 */
:root {
            --bg-deep: #0A0E0D;
            --bg-card: #101815;
            --neon-green: #00E5A0;
            --neon-green-soft: #7CF5D0;
            --amber: #F5A300;
            --text-primary: #E6F2EE;
            --text-secondary: #9BAFA9;
            --text-muted: #4E635D;
            --radius-card: 14px;
            --radius-btn: 8px;
            --glow-green: 0 0 20px rgba(0,229,160,0.18);
            --border-green: 1px solid rgba(0,229,160,0.2);
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 96px;
        }

        body {
            background: var(--bg-deep);
            color: var(--text-primary);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            line-height: 1.75;
            font-size: 16px;
        }

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

        a {
            text-decoration: none;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }

        :focus-visible {
            outline: 2px dashed var(--neon-green);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

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

        .text-soft {
            color: var(--text-secondary);
        }

        .text-green {
            color: var(--neon-green);
        }

        .text-amber {
            color: var(--amber);
        }

        .eyebrow {
            font-size: 13px;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--neon-green);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
        }

        .eyebrow::before {
            content: "";
            width: 18px;
            height: 2px;
            background: var(--neon-green);
            display: inline-block;
        }

        .section-pad {
            padding: 84px 0;
        }

        /* ===== 顶部导航 ===== */
        .site-nav {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 14, 13, 0.93);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(0, 229, 160, 0.18);
        }

        .site-nav::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: -1px;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 229, 160, 0.45), transparent);
        }

        .nav-inner {
            display: flex;
            height: 76px;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--neon-green), var(--neon-green-soft));
            color: #0A0E0D;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 900;
            box-shadow: 0 0 14px rgba(0, 229, 160, 0.35);
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 18px;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-wrap: nowrap;
        }

        .nav-item {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: #c6d4cf;
            padding: 8px 0;
            transition: color 0.25s ease;
        }

        .nav-item::after {
            content: "";
            position: absolute;
            left: 50%;
            right: 50%;
            bottom: 0;
            height: 2px;
            background: var(--neon-green);
            transition: all 0.28s ease;
            opacity: 0;
            box-shadow: 0 0 8px rgba(0, 229, 160, 0.6);
        }

        .nav-item:hover::after,
        .nav-item.active::after {
            left: 0;
            right: 0;
            opacity: 1;
        }

        .nav-item:hover,
        .nav-item.active {
            color: var(--neon-green);
            font-weight: 700;
        }

        .nav-cta {
            margin-left: 8px;
        }

        .nav-cta a svg {
            display: inline;
            vertical-align: -2px;
            margin-right: 4px;
        }

        .btn-contrast {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--neon-green);
            color: #0A0E0D;
            font-weight: 800;
            padding: 10px 22px;
            border-radius: 8px;
            font-size: 14px;
            transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
            line-height: 1.2;
            white-space: nowrap;
        }

        .btn-contrast:hover {
            background: var(--amber);
            box-shadow: 0 0 18px rgba(245, 163, 0, 0.35);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border: 1px solid rgba(0, 229, 160, 0.2);
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
        }

        .nav-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--neon-green);
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            background-image: url("/assets/images/backpic/back-2.webp");
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
            border-bottom: 1px solid rgba(0, 229, 160, 0.15);
        }

        .hero-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(6, 10, 9, 0.96) 15%, rgba(6, 10, 9, 0.78) 55%, rgba(6, 10, 9, 0.6) 100%);
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero-crumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: rgba(155, 175, 169, 0.85);
            margin-bottom: 20px;
        }

        .hero-crumb a {
            color: var(--neon-green);
        }

        .hero-crumb .sep {
            opacity: 0.5;
        }

        .hero-main-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }

        .hero-title {
            font-size: 50px;
            line-height: 1.18;
            font-weight: 900;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            margin-bottom: 18px;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.6);
        }

        .hero-title span {
            color: var(--neon-green);
            text-shadow: 0 0 22px rgba(0, 229, 160, 0.28);
        }

        .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 520px;
            line-height: 1.85;
        }

        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 30px;
        }

        .hero-badge {
            border: 1px solid rgba(0, 229, 160, 0.32);
            background: rgba(0, 229, 160, 0.06);
            border-radius: 999px;
            padding: 6px 14px;
            font-size: 13px;
            color: #c7dcd4;
        }

        .hero-note-card {
            position: relative;
            background: rgba(16, 24, 22, 0.72);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 229, 160, 0.22);
            border-radius: 14px;
            padding: 28px;
            box-shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
        }

        .hero-note-card::before {
            content: "";
            position: absolute;
            left: -1px;
            top: 24px;
            width: 3px;
            height: 44px;
            background: var(--neon-green);
            border-radius: 0 4px 4px 0;
            box-shadow: 0 0 12px rgba(0, 229, 160, 0.6);
        }

        .hero-note-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 18px;
        }

        .note-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .note-item {
            display: flex;
            gap: 12px;
            align-items: flex-start;
        }

        .note-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--neon-green);
            box-shadow: 0 0 10px rgba(0, 229, 160, 0.7);
            margin-top: 9px;
            flex-shrink: 0;
        }

        .note-item strong {
            display: block;
            font-size: 15px;
            color: var(--text-primary);
            font-weight: 600;
        }

        .note-item p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-top: 2px;
        }

        /* ===== 通用按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--amber);
            color: #0A0E0D;
            font-weight: 800;
            font-size: 15px;
            padding: 13px 26px;
            border-radius: 8px;
            transition: all 0.22s ease;
            letter-spacing: 0.02em;
        }

        .btn-primary:hover {
            box-shadow: 0 0 24px rgba(245, 163, 0, 0.4);
            translate: 0 -2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid rgba(0, 229, 160, 0.55);
            color: var(--neon-green);
            background: transparent;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 24px;
            border-radius: 8px;
            transition: all 0.22s ease;
        }

        .btn-outline:hover {
            background: rgba(0, 229, 160, 0.08);
            border-color: var(--neon-green);
            box-shadow: 0 0 16px rgba(0, 229, 160, 0.18);
        }

        .btn-green {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--neon-green);
            color: #0A0E0D;
            font-weight: 800;
            font-size: 15px;
            padding: 13px 26px;
            border-radius: 8px;
            transition: all 0.2s ease;
        }

        .btn-green:hover {
            background: var(--neon-green-soft);
            box-shadow: 0 0 20px rgba(0, 229, 160, 0.35);
        }

        /* ===== 区块标题 ===== */
        .section-title {
            font-size: 34px;
            line-height: 1.25;
            color: var(--text-primary);
            font-weight: 800;
            letter-spacing: -0.02em;
        }

        .section-title .green {
            color: var(--neon-green);
        }

        .section-sub {
            margin-top: 14px;
            color: var(--text-secondary);
            font-size: 16px;
            max-width: 680px;
            line-height: 1.8;
        }

        /* ===== 锚点导航 ===== */
        .anchors-wrap {
            border-bottom: 1px solid rgba(0, 229, 160, 0.16);
            background: #0d1211;
            position: relative;
            z-index: 5;
        }

        .anchor-scroll {
            display: flex;
            align-items: center;
            overflow-x: auto;
            gap: 10px;
            padding: 20px 0;
            scrollbar-width: none;
        }

        .anchor-scroll::-webkit-scrollbar {
            display: none;
        }

        .anchor-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            padding: 8px 18px;
            border-radius: 999px;
            border: 1px solid rgba(0, 229, 160, 0.18);
            color: var(--text-secondary);
            font-size: 14px;
            transition: all 0.25s ease;
            background: rgba(16, 24, 22, 0.5);
        }

        .anchor-pill:hover {
            border-color: var(--neon-green);
            color: var(--neon-green);
            background: rgba(0, 229, 160, 0.06);
        }

        .anchor-pill .api {
            color: var(--amber);
            font-weight: 700;
            font-size: 13px;
            font-family: "Bahnschrift", "Inter", sans-serif;
        }

        /* ===== 玩法时间线区块 ===== */
        .learning-grid {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 56px;
            margin-top: 48px;
            align-items: start;
        }

        .step-list {
            position: relative;
            padding-left: 20px;
        }

        .step-list::before {
            content: "";
            position: absolute;
            left: 6px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(180deg, rgba(0, 229, 160, 0.5), rgba(0, 229, 160, 0.08));
        }

        .step-item {
            position: relative;
            padding: 0 0 46px 28px;
        }

        .step-item:last-child {
            padding-bottom: 0;
        }

        .step-item::before {
            content: "";
            position: absolute;
            left: -20px;
            top: 6px;
            width: 13px;
            height: 13px;
            border: 3px solid var(--neon-green);
            border-radius: 50%;
            background: #0b100f;
            box-shadow: 0 0 0 4px rgba(0, 229, 160, 0.08);
        }

        .step-tag {
            display: inline-block;
            font-size: 12px;
            padding: 4px 12px;
            background: rgba(0, 229, 160, 0.1);
            border: 1px solid rgba(0, 229, 160, 0.3);
            color: var(--neon-green);
            border-radius: 6px;
            letter-spacing: 0.05em;
            margin-bottom: 14px;
        }

        .step-link {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .step-text {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 560px;
        }

        .learning-aside {
            display: flex;
            flex-direction: column;
            gap: 22px;
            position: relative;
        }

        .aside-img-card {
            border-radius: 16px;
            border: 1px solid rgba(0, 229, 160, 0.22);
            overflow: hidden;
            background: #101815;
            box-shadow: 0 12px 45px rgba(0, 0, 0, 0.4);
        }

        .aside-img-card img {
            width: 100%;
            height: 300px;
            object-fit: cover;
        }

        .aside-img-footer {
            padding: 18px 22px;
        }

        .aside-img-footer strong {
            display: block;
            color: var(--text-primary);
            font-size: 16px;
            margin-bottom: 6px;
        }

        .aside-img-footer p {
            color: var(--text-secondary);
            font-size: 13px;
            line-height: 1.75;
        }

        .study-note {
            background: rgba(16, 24, 22, 0.85);
            border: 1px solid rgba(0, 229, 160, 0.22);
            border-radius: 14px;
            padding: 22px 24px;
        }

        .study-note .stitle {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--amber);
            font-weight: 700;
            font-size: 14px;
            margin-bottom: 12px;
        }

        .study-note p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.85;
        }

        /* ===== 分类速查表 ===== */
        .quick-guide-block {
            background: #0d1210;
            border-top: 1px solid rgba(0, 229, 160, 0.1);
            border-bottom: 1px solid rgba(0, 229, 160, 0.1);
        }

        .quick-table {
            margin-top: 38px;
            border: 1px solid rgba(0, 229, 160, 0.22);
            border-radius: 16px;
            overflow: hidden;
            background: rgba(16, 24, 22, 0.36);
        }

        .quick-row {
            display: grid;
            grid-template-columns: 128px 1fr 1.2fr;
            gap: 24px;
            padding: 20px 28px;
            border-bottom: 1px solid rgba(0, 229, 160, 0.12);
            align-items: center;
            transition: background 0.25s ease;
        }

        .quick-row:last-child {
            border-bottom: none;
        }

        .quick-row:hover {
            background: rgba(0, 229, 160, 0.05);
        }

        .qr-tag {
            background: rgba(0, 229, 160, 0.1);
            color: var(--neon-green);
            font-size: 13px;
            padding: 6px 10px;
            border-radius: 6px;
            text-align: center;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .qr-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .qr-desc {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.75;
        }

        /* ===== 机制词条区块 ===== */
        .glossary-block {
            background: #0A0E0D;
        }

        .glossary-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 70px;
            align-items: center;
            margin-top: 20px;
        }

        .glossary-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .glossary-item {
            padding: 30px 22px 30px 0;
            border-bottom: 1px solid rgba(0, 229, 160, 0.12);
            transition: padding-left 0.25s ease;
        }

        .glossary-item:hover {
            padding-left: 12px;
        }

        .glossary-num {
            font-family: "Bahnschrift", "Inter", sans-serif;
            font-size: 13px;
            color: var(--amber);
            letter-spacing: 0.14em;
            display: block;
            margin-bottom: 6px;
        }

        .glossary-item h3 {
            color: var(--text-primary);
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .glossary-item p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }

        .glossary-visual {
            border-radius: 18px;
            overflow: hidden;
            border: 1px solid rgba(0, 229, 160, 0.2);
            position: relative;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.42);
        }

        .glossary-visual img {
            width: 100%;
            height: 460px;
            object-fit: cover;
            object-position: center;
        }

        .visual-caption {
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 18px;
            background: rgba(10, 14, 13, 0.8);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(0, 229, 160, 0.18);
            border-radius: 12px;
            padding: 14px 18px;
            font-size: 13px;
            color: var(--neon-green-soft);
            line-height: 1.6;
        }

        /* ===== 常识 / 提示区块 ===== */
        .tips-block {
            background: linear-gradient(180deg, #0d1211, #0A0E0D);
        }

        .tips-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .tips-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .tip-line {
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }

        .tip-icon {
            width: 28px;
            height: 28px;
            border: 1px solid rgba(0, 229, 160, 0.45);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--neon-green);
            background: rgba(0, 229, 160, 0.08);
            flex-shrink: 0;
            margin-top: 4px;
            font-weight: 800;
        }

        .tip-line h3 {
            font-size: 18px;
            color: var(--text-primary);
            font-weight: 700;
            margin-bottom: 4px;
        }

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

        .tips-pic {
            border-radius: 18px;
            overflow: hidden;
            border: 1px solid rgba(0, 229, 160, 0.18);
            box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
        }

        .tips-pic img {
            height: 360px;
            width: 100%;
            object-fit: cover;
        }

        /* ===== FAQ ===== */
        .faq-block {
            background: #0A0E0D;
            border-top: 1px solid rgba(0, 229, 160, 0.08);
        }

        .faq-wrap {
            max-width: 820px;
            margin: 60px auto 0;
        }

        .qa-item {
            border-bottom: 1px solid rgba(0, 229, 160, 0.18);
        }

        .qa-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 4px;
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            transition: color 0.2s ease;
            width: 100%;
            text-align: left;
            background: transparent;
            gap: 16px;
        }

        .qa-question:hover {
            color: var(--neon-green);
        }

        .qa-question .qa-arrow {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            border: 1px solid rgba(0, 229, 160, 0.4);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--neon-green);
            transition: transform 0.3s ease, background 0.3s ease;
            font-style: normal;
            flex-shrink: 0;
        }

        .qa-item.open .qa-arrow {
            transform: rotate(45deg);
            background: rgba(0, 229, 160, 0.15);
        }

        .qa-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.38s ease;
        }

        .qa-answer p {
            padding: 0 4px 24px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.9;
        }

        /* ===== 其它分类区 ===== */
        .other-cats {
            background: rgba(0, 229, 160, 0.06);
            border-top: 1px solid rgba(0, 229, 160, 0.14);
        }

        .other-cats-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            padding: 44px 0;
        }

        .other-cats h3 {
            font-size: 22px;
            color: var(--text-primary);
            font-weight: 800;
            line-height: 1.4;
        }

        .other-cats p {
            color: var(--text-secondary);
            margin-top: 6px;
            font-size: 15px;
        }

        .other-cat-links {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0c1110;
            color: var(--text-secondary);
            position: relative;
        }

        .footer-grad {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 229, 160, 0.55), transparent);
        }

        .footer-wrapper {
            display: grid;
            grid-template-columns: 4fr 2fr 3fr 3fr;
            gap: 44px;
            padding: 58px 0 38px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.9;
            max-width: 320px;
        }

        .footer-nav-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-nav-list a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

        .footer-nav-list a:hover {
            color: var(--neon-green);
            padding-left: 4px;
        }

        .security-line {
            border-top: 1px solid rgba(0, 229, 160, 0.12);
            padding: 16px 0;
            display: flex;
            justify-content: space-between;
            gap: 18px;
            align-items: center;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--text-muted);
        }

        .security-line a {
            color: var(--text-muted);
        }

        .security-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .security-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            color: #637b74;
            font-size: 12px;
        }

        .security-badge svg {
            width: 14px;
            height: 14px;
            color: var(--neon-green);
        }

        /* ===== 动效克制 ===== */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1023px) {
            .nav-links {
                flex-direction: column;
                align-items: flex-start;
                gap: 24px;
                padding: 70px 40px 30px;
                position: fixed;
                inset: 0;
                background: rgba(10, 14, 13, 0.98);
                backdrop-filter: blur(20px);
                z-index: 200;
                opacity: 0;
                visibility: hidden;
                transform: translateX(100%);
                transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
                overflow-y: auto;
            }

            .nav-links.nav-open {
                opacity: 1;
                visibility: visible;
                transform: translateX(0);
            }

            .nav-links .nav-cta {
                display: flex;
                margin: 10px 0 0 0;
            }

            .nav-toggle {
                display: inline-flex;
                position: relative;
                z-index: 300;
            }

            .nav-toggle span {
                transition: transform 0.25s ease, opacity 0.25s ease;
            }

            body.menu-lock {
                overflow: hidden;
            }

            .hero-main-grid,
            .learning-grid,
            .glossary-grid,
            .tips-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero-title {
                font-size: 40px;
            }

            .quick-row {
                grid-template-columns: 100px 1fr;
            }

            .qr-desc {
                grid-column: 1 / -1;
                padding-left: 124px;
            }

            .section-title {
                font-size: 30px;
            }

            .footer-wrapper {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
        }

        @media (max-width: 640px) {
            .section-pad {
                padding: 56px 0;
            }

            .site-nav .nav-inner {
                height: 64px;
            }

            .logo-text {
                font-size: 16px;
            }

            .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }

            .hero-section {
                min-height: auto;
                padding: 68px 0 48px;
            }

            .hero-title {
                font-size: 32px;
            }

            .hero-badges {
                gap: 7px;
            }

            .hero-note-card {
                padding: 20px;
            }

            .section-title {
                font-size: 25px;
            }

            .quick-row {
                grid-template-columns: 1fr;
                gap: 10px;
                padding: 18px 18px;
            }

            .qr-tag {
                display: inline-block;
                width: auto;
                text-align: left;
                justify-self: flex-start;
            }

            .qr-desc {
                padding-left: 0;
            }

            .glossary-item {
                padding: 22px 0;
            }

            .footer-wrapper {
                grid-template-columns: 1fr;
                gap: 30px;
                padding: 40px 0 20px;
            }

            .tips-pic img {
                height: 250px;
            }

            .glossary-visual img {
                height: 250px;
            }

            .aside-img-card img {
                height: 200px;
            }

            .other-cats-inner {
                padding: 34px 0;
            }

            .qa-question {
                font-size: 15px;
                padding: 20px 2px;
            }

            .qa-answer p {
                font-size: 14px;
            }

            .security-line {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }

        @media (max-width: 380px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }

            .logo-text {
                font-size: 15px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-deep: #0A0E0D;
            --bg-card: #101815;
            --bg-panel: #131D19;
            --neon-green: #00E5A0;
            --neon-green-soft: #7CF5D0;
            --amber: #F5A300;
            --text-primary: #E6F2EE;
            --text-secondary: #9BAFA9;
            --text-muted: #4E635D;
            --border-green: rgba(0, 229, 160, 0.18);
            --radius-card: 14px;
            --radius-btn: 8px;
            --glow-green: 0 0 22px rgba(0, 229, 160, 0.15);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background: var(--bg-deep);
            color: var(--text-primary);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            line-height: 1.75;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease, border-color 0.2s ease;
        }

        button,
        input,
        textarea {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-block {
            padding: 88px 0;
        }

        .section-sm {
            padding: 60px 0;
        }

        .text-neon {
            color: var(--neon-green) !important;
        }

        .text-amber {
            color: var(--amber) !important;
        }

        .bg-deep {
            background: var(--bg-deep);
        }

        .bg-card {
            background: var(--bg-card);
        }

        /* ===== header nav ===== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            height: 76px;
            background: rgba(10, 14, 13, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-green);
            box-shadow: 0 10px 34px rgba(0, 0, 0, 0.30);
        }

        .site-nav::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -1px;
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 229, 160, 0.65), transparent);
            pointer-events: none;
        }

        .nav-inner {
            height: 76px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 9px;
            font-size: 19px;
            font-weight: 800;
            color: #04120C;
            background: linear-gradient(145deg, #00E5A0, #4FF2BE);
            box-shadow: 0 0 18px rgba(0, 229, 160, 0.35);
            position: relative;
        }

        .logo-mark::after {
            content: "";
            position: absolute;
            right: -3px;
            top: -3px;
            width: 8px;
            height: 8px;
            border-top: 1px solid #00E5A0;
            border-right: 1px solid #00E5A0;
            opacity: 0.8;
        }

        .logo-text {
            font-size: 15px;
            color: #fff;
            letter-spacing: 0.4px;
        }

        .logo-text strong {
            font-weight: 800;
            font-size: 17px;
            background: linear-gradient(90deg, #fff, #CBEADD);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 26px;
        }

        .nav-item {
            position: relative;
            font-size: 15px;
            color: var(--text-secondary);
            padding: 8px 0;
            letter-spacing: 0.5px;
            font-weight: 500;
        }

        .nav-item:hover {
            color: var(--neon-green);
        }

        .nav-item.active {
            color: var(--neon-green);
            font-weight: 600;
        }

        .nav-item.active::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: var(--neon-green);
            box-shadow: 0 0 9px var(--neon-green);
            border-radius: 2px;
        }

        .nav-item:not(.active)::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--neon-green);
            transition: all 0.25s;
            border-radius: 2px;
        }

        .nav-item:not(.active):hover::after {
            width: 100%;
            left: 0;
        }

        .nav-cta {
            display: flex;
            align-items: center;
        }

        .btn-contrast {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: var(--neon-green);
            color: #0A100D;
            font-size: 15px;
            font-weight: 600;
            padding: 11px 24px;
            border-radius: 8px;
            border: none;
            cursor: pointer;
            transition: all 0.25s ease;
            border: 1px solid transparent;
        }

        .btn-contrast:hover {
            background: var(--amber);
            box-shadow: 0 0 20px rgba(245, 163, 0, 0.25);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid var(--border-green);
            border-radius: 8px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 4px;
            position: relative;
            z-index: 30;
        }

        .nav-toggle span {
            width: 18px;
            height: 2px;
            border-radius: 2px;
            background: #DCE9E4;
            transition: all 0.3s ease;
        }

        .site-nav.menu-open .nav-toggle span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
            background: var(--neon-green);
        }

        .site-nav.menu-open .nav-toggle span:nth-child(2) {
            opacity: 0;
        }

        .site-nav.menu-open .nav-toggle span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
            background: var(--neon-green);
        }

        body.no-scroll {
            overflow: hidden;
        }

        /* ===== category hero ===== */
        .category-hero {
            position: relative;
            padding: 156px 0 86px;
            background: url("/assets/images/backpic/back-2.webp") center center / cover no-repeat;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(8, 12, 11, 0.96), rgba(8, 12, 11, 0.80), rgba(8, 12, 11, 0.55));
        }

        .category-hero::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 80px;
            background: linear-gradient(to bottom, transparent, var(--bg-deep));
            pointer-events: none;
        }

        .category-hero .container-custom {
            position: relative;
            z-index: 2;
        }

        .crumb-line {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .crumb-line a {
            color: var(--text-secondary);
            transition: color 0.2s;
        }

        .crumb-line a:hover {
            color: var(--neon-green);
        }

        .crumb-line i {
            font-size: 11px;
            opacity: 0.7;
        }

        .crumb-line .current {
            color: var(--text-primary);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.12fr 0.88fr;
            gap: 60px;
            align-items: center;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 229, 160, 0.08);
            border: 1px solid var(--border-green);
            color: var(--neon-green-soft);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
        }

        .category-hero h1 {
            font-size: clamp(34px, 4.4vw, 56px);
            line-height: 1.16;
            font-weight: 800;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }

        .category-hero h1 .neon-word {
            color: var(--neon-green);
            text-shadow: 0 0 22px rgba(0, 229, 160, 0.25);
        }

        .hero-desc {
            color: #B9CFC8;
            font-size: 17px;
            line-height: 1.9;
            max-width: 560px;
            margin-bottom: 30px;
        }

        .hero-desc p+p {
            margin-top: 10px;
        }

        .hero-btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            margin-bottom: 30px;
        }

        .btn-primary-amber {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 7px;
            background: var(--amber);
            color: #0A100D;
            font-size: 15px;
            font-weight: 700;
            padding: 13px 26px;
            border-radius: var(--radius-btn);
            min-width: 130px;
            border: 1px solid transparent;
            transition: all 0.25s ease;
            box-shadow: 0 4px 20px rgba(245, 163, 0, 0.12);
        }

        .btn-primary-amber:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(245, 163, 0, 0.26);
            background: #FFB51A;
        }

        .btn-neon-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 7px;
            background: transparent;
            color: var(--neon-green);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(0, 229, 160, 0.4);
            transition: all 0.25s ease;
        }

        .btn-neon-ghost:hover {
            background: rgba(0, 229, 160, 0.08);
            border-color: var(--neon-green);
            box-shadow: var(--glow-green);
            transform: translateY(-1px);
        }

        .hero-figure {
            position: relative;
        }

        .hero-figure .media-card {
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid rgba(0, 229, 160, 0.28);
            box-shadow: 0 22px 60px rgba(0, 0, 0, 0.45);
            transform: rotate(1.2deg);
            transition: transform 0.4s ease, box-shadow 0.4s ease;
        }

        .hero-figure:hover .media-card {
            transform: rotate(0deg);
            box-shadow: 0 10px 40px rgba(0, 229, 160, 0.16);
        }

        .hero-figure .media-card img {
            width: 100%;
            height: 360px;
            object-fit: cover;
        }

        .hero-float-card {
            position: absolute;
            left: -24px;
            bottom: 24px;
            background: rgba(14, 22, 19, 0.95);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-green);
            border-radius: 14px;
            padding: 16px 20px;
            width: 240px;
            box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
        }

        .hero-float-card .status-row {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 5px 0;
            font-size: 13px;
            color: #C8DBD4;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--neon-green);
            position: relative;
            flex-shrink: 0;
        }

        .status-dot::after {
            content: "";
            position: absolute;
            inset: -4px;
            border-radius: 50%;
            border: 1px solid rgba(0, 229, 160, 0.45);
            animation: pulse 2s ease-out infinite;
        }

        @keyframes pulse {
            0% {
                transform: scale(0.5);
                opacity: 1;
            }
            100% {
                transform: scale(1.6);
                opacity: 0;
            }
        }

        /* ===== section headers ===== */
        .sec-head {
            margin-bottom: 48px;
        }

        .kicker-line {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--neon-green);
            font-size: 13px;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
            font-weight: 600;
        }

        .kicker-line::before {
            content: "";
            width: 18px;
            height: 1px;
            background: var(--neon-green);
            display: inline-block;
        }

        .sec-head h2 {
            font-size: clamp(24px, 3.2vw, 38px);
            font-weight: 800;
            line-height: 1.25;
            color: #F1FAF6;
            margin-bottom: 14px;
        }

        .sec-head p {
            color: var(--text-secondary);
            font-size: 15px;
            max-width: 700px;
            line-height: 1.85;
        }

        /* ===== timeline guide ===== */
        .guide-layout {
            display: grid;
            grid-template-columns: 1fr 0.82fr;
            gap: 48px;
            align-items: start;
        }

        .guide-timeline {
            position: relative;
            padding-left: 6px;
        }

        .guide-timeline::before {
            content: "";
            position: absolute;
            left: 10px;
            top: 10px;
            bottom: 20px;
            width: 1px;
            background: linear-gradient(to bottom, rgba(0, 229, 160, 0.65), rgba(0, 229, 160, 0.12));
        }

        .time-entry {
            position: relative;
            padding: 0 0 40px 42px;
        }

        .time-entry::before {
            content: "";
            position: absolute;
            left: 2px;
            top: 8px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: #0D1915;
            border: 2px solid var(--neon-green);
            box-shadow: 0 0 0 4px rgba(0, 229, 160, 0.08), 0 0 10px rgba(0, 229, 160, 0.35);
        }

        .time-entry:last-child {
            padding-bottom: 0;
        }

        .time-no {
            font-size: 13px;
            color: var(--amber);
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 6px;
        }

        .time-entry h3 {
            font-size: 20px;
            font-weight: 700;
            color: #E9F6F0;
            margin-bottom: 10px;
        }

        .time-entry p {
            color: #96ABA3;
            font-size: 14px;
            line-height: 1.85;
            max-width: 530px;
        }

        .sticky-side {
            position: sticky;
            top: 104px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .side-snapshot {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-green);
            box-shadow: 0 14px 34px rgba(0, 0, 0, 0.32);
        }

        .side-snapshot img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }

        .quick-card {
            background: var(--bg-card);
            border: 1px solid var(--border-green);
            border-radius: var(--radius-card);
            padding: 24px;
        }

        .quick-card h4 {
            color: var(--neon-green);
            font-size: 16px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }

        .quick-check-list {
            list-style: none;
        }

        .quick-check-list li {
            padding: 8px 0 8px 28px;
            position: relative;
            color: var(--text-secondary);
            font-size: 14px;
            border-bottom: 1px solid rgba(145, 180, 170, 0.05);
        }

        .quick-check-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 14px;
            width: 16px;
            height: 16px;
            border-radius: 5px;
            border: 1px solid var(--neon-green);
            opacity: 0.7;
        }

        /* ===== proof strip ===== */
        .proof-band {
            background: linear-gradient(to right, #0C1713, #0F1C17, #0A1511);
            border-top: 1px solid var(--border-green);
            border-bottom: 1px solid var(--border-green);
            padding: 40px 0;
        }

        .proof-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .proof-item {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 12px;
        }

        .proof-icon {
            width: 46px;
            height: 46px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: rgba(0, 229, 160, 0.08);
            border: 1px solid rgba(0, 229, 160, 0.22);
            color: var(--neon-green);
            font-size: 20px;
        }

        .proof-item strong {
            display: block;
            font-size: 18px;
            color: #F0FBF5;
            line-height: 1.3;
        }

        .proof-item span {
            color: var(--text-secondary);
            font-size: 13px;
        }

        /* ===== term tile ===== */
        .term-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .term-tile {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: all 0.3s ease;
            position: relative;
        }

        .term-tile:hover {
            border-color: rgba(0, 229, 160, 0.38);
            transform: translateY(-5px);
            box-shadow: var(--glow-green);
        }

        .term-tile i {
            font-size: 20px;
            color: var(--amber);
            margin-bottom: 14px;
            display: block;
        }

        .term-tile h4 {
            color: #E8F5EF;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .term-tile p {
            color: var(--text-secondary);
            font-size: 13px;
            line-height: 1.75;
        }

        /* ===== note / middle split ===== */
        .split-panel {
            display: grid;
            grid-template-columns: 1fr 0.9fr;
            gap: 60px;
            align-items: center;
        }

        .split-panel .panel-text-area {
            order: 1;
        }

        .note-list-v2 {
            list-style: none;
            margin-top: 22px;
        }

        .note-list-v2 li {
            display: flex;
            gap: 14px;
            color: var(--text-secondary);
            font-size: 14px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(149, 185, 174, 0.06);
        }

        .note-list-v2 li:last-child {
            border-bottom: none;
        }

        .note-list-v2 .squre {
            width: 9px;
            height: 9px;
            background: var(--neon-green);
            transform: rotate(45deg);
            flex-shrink: 0;
            margin-top: 7px;
        }

        .split-panel .figure-area {
            border-radius: 18px;
            overflow: hidden;
            position: relative;
            border: 1px solid var(--border-green);
        }

        .split-panel .figure-area img {
            height: 420px;
            width: 100%;
            object-fit: cover;
            transition: transform 0.4s;
        }

        .split-panel .figure-area:hover img {
            transform: scale(1.02);
        }

        .figure-watermark {
            position: absolute;
            right: 10px;
            bottom: 6px;
            font-size: 120px;
            font-weight: 800;
            color: rgba(255, 255, 255, 0.05);
            pointer-events: none;
            line-height: 1;
            letter-spacing: -4px;
            user-select: none;
        }

        /* ===== FAQ ===== */
        .faq-wrapper {
            max-width: 860px;
            margin: 0 auto;
        }

        .qa-item {
            border-bottom: 1px solid rgba(147, 182, 171, 0.14);
        }

        .qa-item:first-child {
            border-top: 1px solid rgba(147, 182, 171, 0.14);
        }

        .qa-q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            text-align: left;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 16px;
            font-weight: 600;
            padding: 22px 2px;
            cursor: pointer;
            transition: color 0.2s;
        }

        .qa-q:hover {
            color: var(--neon-green);
        }

        .qa-icon {
            width: 30px;
            height: 30px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border: 1px solid var(--border-green);
            color: var(--neon-green);
            font-size: 14px;
            transition: transform 0.3s ease, background 0.3s;
        }

        .qa-q:hover .qa-icon {
            background: rgba(0, 229, 160, 0.08);
        }

        .qa-item.open .qa-icon {
            transform: rotate(45deg);
            background: rgba(0, 229, 160, 0.12);
        }

        .qa-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .qa-a p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.9;
            padding: 0 34px 24px 2px;
        }

        /* ===== CTA band ===== */
        .cta-band {
            background: linear-gradient(100deg, rgba(0, 229, 160, 0.12), rgba(10, 14, 13, 0.2) 38%, rgba(10, 14, 13, 0.88)), url("/assets/images/backpic/back-1.webp") center / cover;
            padding: 88px 0;
            border-top: 1px solid var(--border-green);
            border-bottom: 1px solid var(--border-green);
        }

        .cta-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .cta-text h2 {
            color: #F1FAF6;
            font-size: clamp(22px, 3vw, 32px);
            font-weight: 800;
            margin-bottom: 8px;
        }

        .cta-text p {
            color: #A3BDB3;
            font-size: 14px;
        }

        .cta-action {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .btn-solid-green {
            background: var(--neon-green);
            color: #0A100D;
            font-weight: 650;
            border: none;
            padding: 13px 28px;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.25s;
        }

        .btn-solid-green:hover {
            box-shadow: 0 0 22px rgba(0, 229, 160, 0.28);
            transform: translateY(-2px);
        }

        /* ===== footer ===== */
        .site-footer {
            background: #0C1110;
            margin-top: 0;
        }

        .footer-grad {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 229, 160, 0.6), transparent);
        }

        .footer-wrapper {
            display: grid;
            grid-template-columns: 3fr 1.4fr 1.8fr 1.6fr;
            gap: 46px;
            padding: 58px 0 42px;
        }

        .footer-brand {
            font-size: 14px;
            color: #7F978F;
            line-height: 1.8;
        }

        .footer-nav-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-nav-list a {
            color: #819991;
            font-size: 14px;
            transition: color 0.2s, padding-left 0.2s;
        }

        .footer-nav-list a:hover {
            color: var(--neon-green);
            padding-left: 4px;
        }

        .security-line {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            padding: 20px 0 26px;
            color: var(--text-muted);
            font-size: 12px;
        }

        .secure-icons {
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .secure-icons span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .secure-icons i {
            color: var(--neon-green);
        }

        /* ===== responsive ===== */
        @media (max-width: 1023px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 44px;
            }

            .hero-figure .media-card img {
                height: 300px;
            }

            .guide-layout,
            .split-panel {
                grid-template-columns: 1fr;
            }

            .sticky-side {
                position: static;
            }

            .split-panel .figure-area img {
                height: 300px;
            }

            .term-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-wrapper {
                grid-template-columns: 1fr 1fr 1fr;
            }
        }

        @media (max-width: 767px) {
            .contact-bar { display:none; }
            .site-nav,
            .nav-inner {
                height: 60px;
            }

            .site-nav {
                padding: 0 2px;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .nav-links {
                position: fixed;
                top: 0;
                right: 0;
                height: 100vh;
                width: min(300px, 80vw);
                flex-direction: column;
                background: #0D1513;
                border-left: 1px solid var(--border-green);
                padding: 90px 28px 30px;
                gap: 14px;
                transform: translateX(102%);
                transition: transform 0.32s ease;
                align-items: stretch;
                box-shadow: -20px 0 60px rgba(0, 0, 0, 0.45);
                z-index: 20;
            }

            .site-nav.menu-open .nav-links {
                transform: translateX(0);
            }

            .nav-item {
                padding: 14px 0;
                border-bottom: 1px solid rgba(0, 229, 160, 0.08);
                font-size: 16px;
            }

            .nav-item.active::after {
                width: 34px;
            }

            .nav-cta {
                margin-top: 18px;
            }

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

            .category-hero {
                padding: 120px 0 60px;
            }

            .hero-float-card {
                left: 8px;
                bottom: 14px;
                width: 200px;
                padding: 14px;
            }

            .section-block {
                padding: 60px 0;
            }

            .proof-grid {
                grid-template-columns: 1fr;
                gap: 0;
            }

            .proof-item {
                padding: 12px 0;
            }

            .term-grid {
                grid-template-columns: 1fr;
            }

            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-action {
                width: 100%;
                flex-direction: column;
            }

            .cta-action .btn-neon-ghost,
            .cta-action .btn-solid-green {
                width: 100%;
                text-align: center;
            }

            .brand-logo .logo-text {
                font-size: 13px;
            }

            .logo-text strong {
                font-size: 14px;
            }

            .footer-wrapper {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .security-line {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }