/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --gp-bg: #060D1A;
            --gp-bg-panel: rgba(255, 255, 255, 0.06);
            --gp-primary: #2D7FF9;
            --gp-accent: #22D3EE;
            --gp-gold: #F5C451;
            --gp-text: #EEF4FF;
            --gp-text-sub: rgba(226, 240, 255, 0.72);
            --gp-text-dim: rgba(226, 240, 255, 0.45);
            --gp-border: rgba(255, 255, 255, 0.12);
            --gp-glow: rgba(34, 211, 238, 0.45);
            --gp-radius-lg: 24px;
            --gp-radius-md: 16px;
            --gp-radius-sm: 10px;
            --gp-shadow: 0 12px 48px rgba(0, 6, 18, 0.45);
            --gp-transition: 0.25s ease;
            --gp-container: 1200px;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", system-ui, sans-serif;
            background: linear-gradient(180deg, #081120 0%, #0A1830 100%);
            color: var(--gp-text);
            line-height: 1.7;
            font-size: 16px;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--gp-accent);
            text-decoration: none;
            transition: color var(--gp-transition);
        }
        a:hover {
            color: #5FE4F8;
        }
        img {
            max-width: 100%;
            display: block;
        }
        h1,
        h2,
        h3,
        h4 {
            line-height: 1.25;
            margin: 0 0 0.5em;
            font-weight: 700;
            color: var(--gp-text);
        }
        p {
            margin: 0 0 1em;
        }
        label {
            color: var(--gp-text-sub);
        }
        ul {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .grid-container {
            max-width: var(--gp-container);
        }

        /* ===== 通用组件 ===== */
        .gp-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 14px;
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all var(--gp-transition);
            min-height: 44px;
            text-decoration: none;
            line-height: 1;
            font-family: inherit;
        }
        .gp-btn-primary {
            background: linear-gradient(135deg, var(--gp-primary), var(--gp-accent));
            color: #fff;
            box-shadow: 0 4px 24px rgba(34, 211, 238, 0.28);
        }
        .gp-btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 36px rgba(34, 211, 238, 0.45);
            color: #fff;
        }
        .gp-btn-primary:focus-visible {
            outline: 2px solid var(--gp-accent);
            outline-offset: 2px;
        }
        .gp-btn-secondary {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--gp-border);
            color: var(--gp-text);
            backdrop-filter: blur(10px);
        }
        .gp-btn-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.3);
            color: #fff;
        }
        .gp-btn-block {
            width: 100%;
            height: 50px;
        }
        .gp-badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(34, 211, 238, 0.14);
            border: 1px solid rgba(34, 211, 238, 0.25);
            color: var(--gp-accent);
            font-size: 13px;
            font-weight: 500;
            white-space: nowrap;
        }
        .gp-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 14px;
        }
        .gp-tag {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--gp-text-sub);
            font-size: 13px;
        }
        .gp-arrow-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            color: var(--gp-accent);
            transition: gap var(--gp-transition), color var(--gp-transition);
        }
        .gp-arrow-link:hover {
            gap: 12px;
            color: #5FE4F8;
        }
        .gp-section {
            padding: 96px 0;
            position: relative;
        }
        .gp-section-title {
            font-size: 32px;
            margin-bottom: 12px;
            text-align: center;
        }
        .gp-section-sub {
            text-align: center;
            color: var(--gp-text-sub);
            max-width: 640px;
            margin: 0 auto 48px;
            font-size: 16px;
        }

        /* ===== Header / Nav ===== */
        .gp-header {
            position: sticky;
            top: 16px;
            z-index: 200;
            padding: 0 16px;
        }
        .gp-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(8, 13, 26, 0.82);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border: 1px solid var(--gp-border);
            border-radius: var(--gp-radius-lg);
            padding: 12px 20px;
            box-shadow: var(--gp-shadow);
        }
        .gp-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .gp-logo-mark {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--gp-primary), var(--gp-accent));
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            box-shadow: 0 0 20px rgba(34, 211, 238, 0.35);
        }
        .gp-logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--gp-text);
            letter-spacing: 0.02em;
        }
        .gp-nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .gp-nav-card {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 9px 14px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid transparent;
            color: var(--gp-text-sub);
            font-size: 14px;
            font-weight: 500;
            text-decoration: none;
            transition: all var(--gp-transition);
            white-space: nowrap;
        }
        .gp-nav-card i {
            font-size: 15px;
            color: var(--gp-accent);
            opacity: 0.7;
            transition: opacity var(--gp-transition);
        }
        .gp-nav-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(34, 211, 238, 0.3);
            color: var(--gp-text);
            box-shadow: 0 0 20px rgba(34, 211, 238, 0.1);
        }
        .gp-nav-card:hover i {
            opacity: 1;
        }
        .gp-nav-card.active {
            background: linear-gradient(135deg, rgba(45, 127, 249, 0.18), rgba(34, 211, 238, 0.1));
            border-color: rgba(34, 211, 238, 0.4);
            color: #fff;
        }
        .gp-nav-card.active i {
            opacity: 1;
        }
        .gp-nav-cta {
            flex-shrink: 0;
        }

        /* ===== Hero ===== */
        .gp-hero {
            position: relative;
            padding: 110px 0 80px;
            overflow: hidden;
            background: linear-gradient(180deg, rgba(6, 13, 26, 0.88), rgba(8, 17, 32, 0.94)), url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
        }
        .gp-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 42px 42px;
            pointer-events: none;
            z-index: 0;
        }
        .gp-hero::after {
            content: '';
            position: absolute;
            width: 700px;
            height: 520px;
            background: radial-gradient(ellipse at center, rgba(45, 127, 249, 0.25), transparent 65%);
            top: -120px;
            right: -80px;
            filter: blur(70px);
            pointer-events: none;
            z-index: 0;
        }
        .gp-hero .grid-container {
            position: relative;
            z-index: 1;
        }
        .gp-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--gp-border);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            color: var(--gp-text-sub);
            margin-bottom: 20px;
            backdrop-filter: blur(8px);
        }
        .gp-hero-badge::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--gp-accent);
            box-shadow: 0 0 12px var(--gp-accent);
        }
        .gp-hero h1 {
            font-size: 46px;
            line-height: 1.2;
            margin-bottom: 18px;
            max-width: 440px;
        }
        .gp-hero-sub {
            font-size: 17px;
            color: var(--gp-text-sub);
            max-width: 460px;
            line-height: 1.75;
            margin-bottom: 32px;
        }
        .gp-hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .gp-hero-visual {
            position: relative;
            padding: 12px 0;
        }
        .gp-hero-visual>img {
            border-radius: var(--gp-radius-lg);
            border: 1px solid var(--gp-border);
            box-shadow: var(--gp-shadow);
            width: 100%;
            object-fit: cover;
            aspect-ratio: 4 / 3;
        }
        .gp-float-card {
            position: absolute;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 16px;
            padding: 12px 18px;
            display: flex;
            align-items: center;
            gap: 12px;
            box-shadow: 0 8px 32px rgba(0, 6, 18, 0.5);
            min-width: 150px;
        }
        .gp-float-card i {
            font-size: 22px;
            color: var(--gp-accent);
        }
        .gp-float-card strong {
            display: block;
            font-size: 15px;
            color: var(--gp-text);
            line-height: 1.3;
        }
        .gp-float-card span {
            font-size: 13px;
            color: var(--gp-text-dim);
        }
        .gp-float-card-1 {
            top: -16px;
            right: 20px;
        }
        .gp-float-card-2 {
            bottom: -16px;
            left: 20px;
        }

        /* ===== 痛点区 ===== */
        .gp-pain {
            background: transparent;
        }
        .gp-pain-card {
            background: var(--gp-bg-panel);
            border: 1px solid var(--gp-border);
            border-radius: var(--gp-radius-md);
            padding: 28px 24px;
            height: 100%;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: all var(--gp-transition);
        }
        .gp-pain-card:hover {
            transform: translateY(-4px);
            border-color: rgba(245, 196, 81, 0.3);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
        }
        .gp-pain-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: rgba(245, 196, 81, 0.12);
            border: 1px solid rgba(245, 196, 81, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            color: var(--gp-gold);
            margin-bottom: 16px;
        }
        .gp-pain-card h3 {
            font-size: 18px;
            margin-bottom: 8px;
        }
        .gp-pain-card p {
            font-size: 14px;
            color: var(--gp-text-sub);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== 方案卡片区 ===== */
        .gp-solution {
            background: linear-gradient(180deg, transparent, rgba(45, 127, 249, 0.06), transparent);
        }
        .gp-solution-card {
            background: rgba(255, 255, 255, 0.055);
            border: 1px solid var(--gp-border);
            border-radius: var(--gp-radius-lg);
            padding: 28px;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            transition: all var(--gp-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .gp-solution-card:hover {
            transform: translateY(-6px);
            border-color: rgba(34, 211, 238, 0.3);
            box-shadow: 0 16px 48px rgba(0, 6, 18, 0.4);
        }
        .gp-solution-card .gp-badge {
            align-self: flex-start;
            margin-bottom: 14px;
        }
        .gp-solution-card h3 {
            font-size: 22px;
            margin-bottom: 10px;
        }
        .gp-solution-card p {
            color: var(--gp-text-sub);
            font-size: 15px;
            line-height: 1.65;
            flex: 1;
            margin-bottom: 16px;
        }
        .gp-solution-main {
            background: linear-gradient(135deg, rgba(45, 127, 249, 0.12), rgba(34, 211, 238, 0.06)), rgba(255, 255, 255, 0.06);
        }
        .gp-solution-main-inner {
            display: flex;
            align-items: center;
            gap: 28px;
            height: 100%;
        }
        .gp-solution-main-content {
            flex: 1;
        }
        .gp-solution-main img {
            border-radius: var(--gp-radius-md);
            width: 45%;
            object-fit: cover;
            aspect-ratio: 4 / 3;
            border: 1px solid var(--gp-border);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
        }
        .gp-solution-card+.gp-solution-card {
            margin-top: 0;
        }
        .gp-solution .grid-x>div {
            margin-bottom: 24px;
        }

        /* ===== 数据区 ===== */
        .gp-stats {
            background: linear-gradient(180deg, transparent, rgba(10, 24, 48, 0.8), transparent);
        }
        .gp-stat-card {
            background: rgba(0, 0, 0, 0.25);
            border: 1px solid rgba(245, 196, 81, 0.15);
            border-radius: var(--gp-radius-lg);
            padding: 36px 24px;
            text-align: center;
            height: 100%;
            transition: all var(--gp-transition);
        }
        .gp-stat-card:hover {
            border-color: rgba(245, 196, 81, 0.35);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
        }
        .gp-stat-num {
            font-size: 52px;
            font-weight: 800;
            color: var(--gp-gold);
            text-shadow: 0 0 30px rgba(245, 196, 81, 0.3);
            line-height: 1.1;
            font-family: "Inter", "Barlow", "Helvetica Neue", sans-serif;
            margin-bottom: 10px;
        }
        .gp-stat-label {
            font-size: 14px;
            color: var(--gp-text-sub);
        }

        /* ===== 表单/联系区 ===== */
        .gp-contact-panel {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--gp-border);
            border-radius: var(--gp-radius-lg);
            padding: 48px;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--gp-shadow);
            position: relative;
            overflow: hidden;
        }
        .gp-contact-panel::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.15), transparent 70%);
            bottom: -100px;
            right: -100px;
            pointer-events: none;
        }
        .gp-contact-panel h2 {
            font-size: 28px;
            margin-bottom: 12px;
        }
        .gp-contact-panel p {
            color: var(--gp-text-sub);
            margin-bottom: 0;
        }
        .gp-privacy-note {
            font-size: 13px;
            color: var(--gp-text-dim);
            margin-top: 14px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .gp-privacy-note i {
            color: var(--gp-accent);
        }

        /* ===== 资讯区 ===== */
        .gp-news {
            background: linear-gradient(180deg, transparent, rgba(45, 127, 249, 0.05), transparent);
        }
        .gp-news-card {
            background: rgba(255, 255, 255, 0.055);
            border: 1px solid var(--gp-border);
            border-radius: var(--gp-radius-lg);
            padding: 26px 28px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: all var(--gp-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .gp-news-card:hover {
            transform: translateY(-4px);
            border-color: rgba(34, 211, 238, 0.3);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
        }
        .gp-news-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .gp-news-time {
            font-size: 13px;
            color: var(--gp-text-dim);
        }
        .gp-news-card h3 {
            font-size: 19px;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .gp-news-card h3 a {
            color: var(--gp-text);
        }
        .gp-news-card h3 a:hover {
            color: var(--gp-accent);
        }
        .gp-news-card p {
            font-size: 14px;
            color: var(--gp-text-sub);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .gp-news-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--gp-accent);
        }
        .gp-news-link:hover {
            gap: 10px;
        }
        .gp-news-card-wrap {
            margin-bottom: 24px;
        }
        .gp-news-main {
            background: linear-gradient(135deg, rgba(45, 127, 249, 0.1), rgba(34, 211, 238, 0.04)), rgba(255, 255, 255, 0.055);
        }
        .gp-empty-state {
            background: rgba(255, 255, 255, 0.04);
            border: 1px dashed var(--gp-border);
            border-radius: var(--gp-radius-lg);
            padding: 60px 20px;
            text-align: center;
            color: var(--gp-text-dim);
        }
        .gp-empty-state i {
            font-size: 40px;
            margin-bottom: 12px;
            display: block;
        }
        .gp-empty-state p {
            margin: 0;
            font-size: 15px;
        }

        /* ===== FAQ ===== */
        .gp-accordion {
            max-width: 820px;
            margin: 0 auto;
        }
        .gp-accordion .accordion-item {
            background: transparent;
            margin-bottom: 12px;
            list-style: none;
        }
        .gp-accordion .accordion-title {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--gp-border);
            border-radius: var(--gp-radius-md);
            padding: 18px 50px 18px 22px;
            color: var(--gp-text);
            font-size: 16px;
            font-weight: 600;
            line-height: 1.4;
            position: relative;
            transition: all var(--gp-transition);
            margin: 0;
        }
        .gp-accordion .accordion-title:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(34, 211, 238, 0.3);
            color: #fff;
        }
        .gp-accordion .accordion-title::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            right: 22px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--gp-accent);
            font-size: 14px;
            transition: transform var(--gp-transition);
        }
        .gp-accordion .accordion-item.is-active>.accordion-title {
            border-color: rgba(34, 211, 238, 0.35);
        }
        .gp-accordion .accordion-item.is-active>.accordion-title::after {
            transform: translateY(-50%) rotate(180deg);
        }
        .gp-accordion .accordion-content {
            background: rgba(0, 0, 0, 0.2);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-top: 0;
            border-radius: 0 0 var(--gp-radius-md) var(--gp-radius-md);
            padding: 4px 22px 18px;
            color: var(--gp-text-sub);
            font-size: 15px;
            line-height: 1.7;
        }
        .gp-accordion .accordion-content p {
            margin: 0;
        }

        /* ===== 追加CTA ===== */
        .gp-final-cta {
            padding: 60px 0;
        }
        .gp-cta-panel {
            background: linear-gradient(135deg, rgba(45, 127, 249, 0.25), rgba(34, 211, 238, 0.12)), rgba(0, 0, 0, 0.4);
            border: 1px solid rgba(34, 211, 238, 0.35);
            border-radius: var(--gp-radius-lg);
            padding: 56px 48px;
            text-align: center;
            box-shadow: 0 0 60px rgba(34, 211, 238, 0.15);
        }
        .gp-cta-panel h2 {
            font-size: 32px;
            margin-bottom: 12px;
        }
        .gp-cta-panel p {
            color: var(--gp-text-sub);
            max-width: 480px;
            margin: 0 auto 28px;
        }

        /* ===== Footer ===== */
        .gp-footer {
            background: #050A14;
            padding: 64px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .gp-footer .grid-container {
            padding-bottom: 32px;
        }
        .gp-footer-col h4 {
            font-size: 15px;
            color: var(--gp-text);
            margin-bottom: 16px;
            font-weight: 600;
        }
        .gp-footer-col a {
            display: block;
            color: var(--gp-text-sub);
            font-size: 14px;
            padding: 5px 0;
            transition: color var(--gp-transition);
        }
        .gp-footer-col a:hover {
            color: var(--gp-accent);
        }
        .gp-footer-col p {
            color: var(--gp-text-dim);
            font-size: 14px;
            margin-bottom: 8px;
        }
        .gp-footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .gp-footer-brand .gp-logo-text {
            font-size: 18px;
        }
        .gp-footer-desc {
            color: var(--gp-text-dim);
            font-size: 14px;
            max-width: 260px;
        }
        .gp-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--gp-text-dim);
        }
        .gp-footer-bottom a {
            color: var(--gp-text-dim);
        }
        .gp-footer-bottom a:hover {
            color: var(--gp-accent);
        }

        /* ===== Reveal ===== */
        .reveal-overlay {
            background: rgba(4, 8, 18, 0.72);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .gp-reveal {
            background: linear-gradient(145deg, rgba(12, 20, 36, 0.97), rgba(8, 13, 26, 0.98));
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border: 1px solid var(--gp-border);
            border-radius: var(--gp-radius-lg);
            box-shadow: 0 24px 80px rgba(0, 6, 18, 0.7);
            color: var(--gp-text);
            max-width: 560px;
            padding: 36px;
        }
        .gp-reveal h3 {
            font-size: 24px;
            margin-bottom: 6px;
        }
        .gp-reveal>.gp-reveal-desc {
            color: var(--gp-text-sub);
            font-size: 14px;
            margin-bottom: 22px;
        }
        .gp-reveal label {
            display: block;
            margin-bottom: 16px;
            color: var(--gp-text-sub);
            font-size: 14px;
            font-weight: 500;
        }
        .gp-reveal input[type="text"],
        .gp-reveal input[type="email"],
        .gp-reveal textarea,
        .gp-reveal select {
            background: rgba(0, 0, 0, 0.2);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--gp-radius-sm);
            color: var(--gp-text);
            padding: 12px 14px;
            transition: all var(--gp-transition);
            width: 100%;
            margin-top: 6px;
            font-family: inherit;
            font-size: 15px;
            box-shadow: none;
        }
        .gp-reveal input:focus,
        .gp-reveal textarea:focus,
        .gp-reveal select:focus {
            border-color: var(--gp-accent);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.18);
            outline: none;
            background: rgba(0, 0, 0, 0.3);
        }
        .gp-reveal input::placeholder,
        .gp-reveal textarea::placeholder {
            color: var(--gp-text-dim);
        }
        .gp-form-consent {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin: 4px 0 20px;
            font-size: 13px;
            color: var(--gp-text-sub);
        }
        .gp-form-consent input[type="checkbox"] {
            width: 16px;
            height: 16px;
            margin-top: 3px;
            accent-color: var(--gp-accent);
            flex-shrink: 0;
        }
        .gp-form-consent label {
            margin: 0;
            font-weight: 400;
            font-size: 13px;
            line-height: 1.5;
            color: var(--gp-text-sub);
        }
        .gp-form-consent a {
            color: var(--gp-accent);
            text-decoration: underline;
        }
        .gp-form-success {
            text-align: center;
            padding: 30px 10px;
        }
        .gp-form-success i {
            font-size: 56px;
            color: var(--gp-accent);
            display: block;
            margin-bottom: 16px;
            text-shadow: 0 0 30px rgba(34, 211, 238, 0.4);
        }
        .gp-form-success p {
            color: var(--gp-text-sub);
            margin-bottom: 20px;
            font-size: 16px;
        }
        .gp-reveal .close-button {
            color: var(--gp-text-dim);
        }
        .gp-reveal .close-button:hover {
            color: #fff;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1023px) and (min-width: 640px) {
            .gp-hero h1 {
                font-size: 38px;
            }
            .gp-section {
                padding: 72px 0;
            }
            .gp-solution-main-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .gp-solution-main img {
                width: 100%;
            }
        }
        @media (max-width: 639px) {
            .gp-header {
                top: 8px;
                padding: 0 8px;
            }
            .gp-nav {
                flex-wrap: wrap;
                padding: 10px 12px;
                gap: 8px;
                border-radius: 18px;
            }
            .gp-logo-text {
                font-size: 16px;
            }
            .gp-logo-mark {
                width: 32px;
                height: 32px;
                font-size: 15px;
                border-radius: 10px;
            }
            .gp-nav-links {
                order: 3;
                width: 100%;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                gap: 6px;
                padding-bottom: 2px;
                scrollbar-width: none;
            }
            .gp-nav-links::-webkit-scrollbar {
                display: none;
            }
            .gp-nav-card {
                flex-shrink: 0;
                padding: 8px 12px;
                font-size: 13px;
                border-radius: 10px;
            }
            .gp-nav-card i {
                font-size: 13px;
            }
            .gp-nav-cta .gp-btn {
                padding: 8px 16px;
                font-size: 13px;
                min-height: 36px;
                border-radius: 10px;
            }
            .gp-hero {
                padding: 80px 0 50px;
            }
            .gp-hero h1 {
                font-size: 30px;
            }
            .gp-hero-sub {
                font-size: 15px;
            }
            .gp-hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .gp-hero-actions .gp-btn {
                width: 100%;
            }
            .gp-hero-visual {
                margin-top: 48px;
            }
            .gp-float-card {
                padding: 10px 14px;
                min-width: 120px;
            }
            .gp-float-card strong {
                font-size: 13px;
            }
            .gp-float-card span {
                font-size: 12px;
            }
            .gp-section {
                padding: 56px 0;
            }
            .gp-section-title {
                font-size: 24px;
            }
            .gp-section-sub {
                font-size: 15px;
                margin-bottom: 32px;
            }
            .gp-pain-card {
                margin-bottom: 16px;
                padding: 22px 18px;
            }
            .gp-solution-card {
                padding: 22px 18px;
            }
            .gp-solution-main-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 18px;
            }
            .gp-solution-main img {
                width: 100%;
            }
            .gp-stat-card {
                margin-bottom: 16px;
                padding: 28px 16px;
            }
            .gp-stat-num {
                font-size: 40px;
            }
            .gp-contact-panel {
                padding: 30px 22px;
            }
            .gp-contact-panel h2 {
                font-size: 22px;
            }
            .gp-news-card-wrap {
                margin-bottom: 16px;
            }
            .gp-news-card {
                padding: 20px 18px;
            }
            .gp-news-card p {
                -webkit-line-clamp: 3;
            }
            .gp-accordion .accordion-title {
                font-size: 15px;
                padding: 16px 42px 16px 18px;
            }
            .gp-accordion .accordion-content {
                font-size: 14px;
                padding: 4px 18px 14px;
            }
            .gp-cta-panel {
                padding: 36px 22px;
            }
            .gp-cta-panel h2 {
                font-size: 24px;
            }
            .gp-footer {
                padding-top: 48px;
            }
            .gp-footer-col {
                margin-bottom: 32px;
            }
            .gp-footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .gp-reveal {
                padding: 24px 20px;
            }
        }

/* roulang page: category1 */
:root {
            --gp-bg: #060D1A;
            --gp-bg-panel: rgba(255, 255, 255, 0.06);
            --gp-primary: #2D7FF9;
            --gp-accent: #22D3EE;
            --gp-gold: #F5C451;
            --gp-text: #EEF4FF;
            --gp-text-sub: rgba(226, 240, 255, 0.72);
            --gp-text-dim: rgba(226, 240, 255, 0.45);
            --gp-border: rgba(255, 255, 255, 0.12);
            --gp-glow: rgba(34, 211, 238, 0.45);
            --gp-radius-lg: 24px;
            --gp-radius-md: 16px;
            --gp-radius-sm: 10px;
            --gp-shadow: 0 12px 48px rgba(0, 6, 18, 0.45);
            --gp-transition: 0.25s ease;
            --gp-container: 1200px;
        }

        *,
        *::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", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
            background: linear-gradient(180deg, #081120 0%, #0A1830 50%, #081120 100%);
            color: var(--gp-text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            min-height: 100vh;
        }

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

        a {
            color: var(--gp-accent);
            text-decoration: none;
            transition: color var(--gp-transition);
        }

        a:hover {
            color: var(--gp-primary);
        }

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

        .grid-container {
            max-width: var(--gp-container);
        }

        /* ======== 导航 ======== */
        .gp-header {
            padding: 16px 16px 0;
            position: relative;
            z-index: 100;
        }

        .gp-nav {
            display: flex;
            align-items: center;
            gap: 24px;
            background: rgba(8, 16, 30, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--gp-border);
            border-radius: var(--gp-radius-lg);
            padding: 14px 20px;
            box-shadow: var(--gp-shadow), inset 0 1px 0 rgba(255, 255, 255, 0.05);
        }

        .gp-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .gp-logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--gp-primary), var(--gp-accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 20px;
            color: #fff;
            box-shadow: 0 0 20px var(--gp-glow);
            font-family: "Inter", "Barlow", sans-serif;
        }

        .gp-logo-text {
            font-size: 19px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--gp-text);
            white-space: nowrap;
        }

        .gp-nav-links {
            display: flex;
            gap: 10px;
            flex: 1;
            justify-content: center;
            flex-wrap: nowrap;
        }

        .gp-nav-card {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 16px;
            border-radius: 14px;
            background: transparent;
            border: 1px solid transparent;
            color: var(--gp-text-sub);
            font-size: 14px;
            transition: all var(--gp-transition);
            white-space: nowrap;
        }

        .gp-nav-card i {
            font-size: 14px;
            color: var(--gp-text-dim);
            transition: color var(--gp-transition);
        }

        .gp-nav-card:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(34, 211, 238, 0.3);
            color: var(--gp-text);
            transform: translateY(-2px);
        }

        .gp-nav-card:hover i {
            color: var(--gp-accent);
        }

        .gp-nav-card.active {
            background: linear-gradient(135deg, rgba(45, 127, 249, 0.18), rgba(34, 211, 238, 0.1));
            border-color: rgba(34, 211, 238, 0.4);
            color: #fff;
            box-shadow: 0 0 16px rgba(34, 211, 238, 0.12);
        }

        .gp-nav-card.active i {
            color: var(--gp-accent);
        }

        .gp-nav-cta {
            flex-shrink: 0;
        }

        /* ======== 按钮 ======== */
        .gp-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            border-radius: 14px;
            padding: 10px 20px;
            transition: all var(--gp-transition);
            cursor: pointer;
            border: none;
            outline: none;
            min-height: 42px;
            text-align: center;
        }

        .gp-btn-primary {
            background: linear-gradient(135deg, var(--gp-primary), var(--gp-accent));
            color: #fff;
            box-shadow: 0 4px 20px rgba(45, 127, 249, 0.35), 0 0 30px rgba(34, 211, 238, 0.1);
        }

        .gp-btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(45, 127, 249, 0.5), 0 0 40px rgba(34, 211, 238, 0.2);
            color: #fff;
        }

        .gp-btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 10px rgba(45, 127, 249, 0.4);
        }

        .gp-btn-secondary {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--gp-border);
            color: var(--gp-text);
            backdrop-filter: blur(10px);
        }

        .gp-btn-secondary:hover {
            border-color: var(--gp-accent);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            transform: translateY(-2px);
        }

        .gp-btn-lg {
            padding: 14px 28px;
            font-size: 16px;
            min-height: 48px;
        }

        .gp-btn:focus-visible {
            outline: 2px solid var(--gp-accent);
            outline-offset: 2px;
        }

        /* ======== 分类 Hero ======== */
        .gp-cat-hero {
            position: relative;
            padding: 80px 0 70px;
            overflow: hidden;
        }

        .gp-cat-hero::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -100px;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(45, 127, 249, 0.28), transparent 60%);
            z-index: 0;
            pointer-events: none;
        }

        .gp-cat-hero::after {
            content: "";
            position: absolute;
            bottom: -80px;
            left: -60px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.16), transparent 60%);
            z-index: 0;
            pointer-events: none;
        }

        .gp-hero-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.25;
            z-index: 0;
        }

        .gp-hero-mask {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(6, 13, 26, 0.92) 0%, rgba(6, 13, 26, 0.65) 50%, rgba(6, 13, 26, 0.65) 100%);
            z-index: 1;
        }

        .gp-cat-hero .grid-container {
            position: relative;
            z-index: 2;
        }

        .gp-breadcrumb {
            font-size: 13px;
            color: var(--gp-text-dim);
            margin-bottom: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
        }

        .gp-breadcrumb a {
            color: var(--gp-text-sub);
        }

        .gp-breadcrumb a:hover {
            color: var(--gp-accent);
        }

        .gp-breadcrumb .gp-bc-current {
            color: var(--gp-accent);
        }

        .gp-breadcrumb i {
            font-size: 10px;
            color: var(--gp-text-dim);
        }

        .gp-cat-hero h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
            max-width: 800px;
        }

        .gp-cat-hero h1 .gp-text-gradient {
            background: linear-gradient(90deg, var(--gp-primary), var(--gp-accent));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .gp-cat-hero-sub {
            font-size: 18px;
            color: var(--gp-text-sub);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .gp-cat-hero-cta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .gp-hero-stats {
            display: flex;
            gap: 24px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .gp-hero-stat {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--gp-text-sub);
        }

        .gp-hero-stat i {
            color: var(--gp-accent);
            font-size: 16px;
        }

        /* ======== 板块通用 ======== */
        .gp-section {
            padding: 80px 0;
            position: relative;
        }

        .gp-section-alt {
            background: rgba(255, 255, 255, 0.02);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .gp-section-head {
            text-align: center;
            margin-bottom: 56px;
        }

        .gp-section-head h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .gp-section-head p {
            color: var(--gp-text-sub);
            max-width: 560px;
            margin: 0 auto;
            font-size: 16px;
        }

        .gp-section-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(34, 211, 238, 0.1);
            border: 1px solid rgba(34, 211, 238, 0.25);
            color: var(--gp-accent);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        /* ======== 卡片 ======== */
        .gp-card {
            background: var(--gp-bg-panel);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--gp-border);
            border-radius: var(--gp-radius-lg);
            padding: 28px;
            transition: all var(--gp-transition);
            position: relative;
            overflow: hidden;
        }

        .gp-card:hover {
            transform: translateY(-6px);
            border-color: rgba(34, 211, 238, 0.35);
            box-shadow: 0 16px 48px rgba(0, 6, 18, 0.55), 0 0 24px rgba(34, 211, 238, 0.06);
        }

        .gp-card-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(45, 127, 249, 0.25), rgba(34, 211, 238, 0.15));
            border: 1px solid rgba(34, 211, 238, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--gp-accent);
            margin-bottom: 20px;
        }

        .gp-card-icon.gold {
            background: linear-gradient(135deg, rgba(245, 196, 81, 0.2), rgba(245, 196, 81, 0.08));
            border-color: rgba(245, 196, 81, 0.3);
            color: var(--gp-gold);
        }

        .gp-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .gp-card p {
            color: var(--gp-text-sub);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .gp-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .gp-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(34, 211, 238, 0.08);
            border: 1px solid rgba(34, 211, 238, 0.2);
            color: var(--gp-accent);
            font-size: 13px;
            font-weight: 500;
        }

        .gp-tag.gold {
            background: rgba(245, 196, 81, 0.08);
            border-color: rgba(245, 196, 81, 0.25);
            color: var(--gp-gold);
        }

        .gp-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--gp-accent);
            margin-top: 8px;
        }

        .gp-card-link i {
            transition: transform var(--gp-transition);
            font-size: 12px;
            margin-top: 1px;
        }

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

        /* ======== 内容分组区 ======== */
        .gp-content-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 24px;
        }

        .gp-card-wide {
            grid-column: span 4;
        }

        .gp-card-small {
            grid-column: span 2;
        }

        .gp-card-narrow {
            grid-column: span 3;
        }

        .gp-card-feature-list {
            list-style: none;
            margin: 16px 0 0;
            padding: 0;
        }

        .gp-card-feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--gp-text-sub);
            margin-bottom: 10px;
            line-height: 1.6;
        }

        .gp-card-feature-list li i {
            color: var(--gp-accent);
            font-size: 12px;
            margin-top: 5px;
            flex-shrink: 0;
        }

        /* 大卡片装饰 */
        .gp-card-deco {
            position: absolute;
            top: -40px;
            right: -40px;
            width: 140px;
            height: 140px;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.15), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        /* ======== 图文内容带 ======== */
        .gp-media-row {
            display: flex;
            align-items: center;
            gap: 60px;
            margin-bottom: 80px;
        }

        .gp-media-row:last-child {
            margin-bottom: 0;
        }

        .gp-media-row.reverse {
            flex-direction: row-reverse;
        }

        .gp-media-img {
            flex: 1;
            border-radius: var(--gp-radius-lg);
            overflow: hidden;
            position: relative;
            min-height: 280px;
            background: linear-gradient(135deg, rgba(45, 127, 249, 0.12), rgba(34, 211, 238, 0.06));
            border: 1px solid var(--gp-border);
        }

        .gp-media-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16/10;
            transition: transform 0.4s ease;
        }

        .gp-media-img:hover img {
            transform: scale(1.02);
        }

        .gp-media-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(6, 13, 26, 0.3), transparent 60%);
            pointer-events: none;
        }

        .gp-media-body {
            flex: 1;
        }

        .gp-media-body h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.35;
        }

        .gp-media-body p {
            color: var(--gp-text-sub);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .gp-media-body ul {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
        }

        .gp-media-body ul li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            color: var(--gp-text-sub);
            margin-bottom: 12px;
            line-height: 1.7;
        }

        .gp-media-body ul li i {
            color: var(--gp-accent);
            font-size: 14px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* ======== 资源推荐位 ======== */
        .gp-resource-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .gp-resource-card {
            display: flex;
            align-items: center;
            gap: 20px;
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid var(--gp-border);
            border-radius: var(--gp-radius-md);
            padding: 20px 24px;
            transition: all var(--gp-transition);
        }

        .gp-resource-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(34, 211, 238, 0.3);
            transform: translateY(-3px);
        }

        .gp-resource-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(245, 196, 81, 0.2), rgba(245, 196, 81, 0.08));
            border: 1px solid rgba(245, 196, 81, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gp-gold);
            font-size: 22px;
            flex-shrink: 0;
        }

        .gp-resource-info {
            flex: 1;
        }

        .gp-resource-info h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .gp-resource-info p {
            font-size: 14px;
            color: var(--gp-text-sub);
            line-height: 1.6;
        }

        .gp-resource-cta {
            font-size: 14px;
            font-weight: 600;
            color: var(--gp-accent);
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .gp-resource-cta i {
            font-size: 12px;
        }

        /* ======== FAQ ======== */
        .gp-faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .gp-faq-item {
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid var(--gp-border);
            border-radius: var(--gp-radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            transition: border-color var(--gp-transition);
        }

        .gp-faq-item.active {
            border-color: rgba(34, 211, 238, 0.35);
            background: rgba(255, 255, 255, 0.06);
        }

        .gp-faq-q {
            width: 100%;
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 20px 24px;
            background: transparent;
            border: none;
            color: var(--gp-text);
            font-size: 16px;
            font-weight: 600;
            text-align: left;
            cursor: pointer;
            transition: all var(--gp-transition);
        }

        .gp-faq-q:hover {
            color: #fff;
        }

        .gp-faq-q .gp-faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(34, 211, 238, 0.1);
            border: 1px solid rgba(34, 211, 238, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--gp-accent);
            flex-shrink: 0;
            transition: all var(--gp-transition);
        }

        .gp-faq-item.active .gp-faq-icon {
            background: var(--gp-accent);
            color: #061018;
            transform: rotate(45deg);
        }

        .gp-faq-a {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            color: var(--gp-text-sub);
            font-size: 15px;
            line-height: 1.7;
        }

        .gp-faq-item.active .gp-faq-a {
            padding: 0 24px 20px;
            max-height: 200px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 16px;
        }

        /* ======== 追加 CTA ======== */
        .gp-cta-panel {
            background: linear-gradient(135deg, rgba(45, 127, 249, 0.18), rgba(34, 211, 238, 0.08));
            border: 1px solid rgba(34, 211, 238, 0.3);
            border-radius: var(--gp-radius-lg);
            padding: 48px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 0 50px rgba(34, 211, 238, 0.08);
        }

        .gp-cta-panel::before {
            content: "";
            position: absolute;
            top: -60px;
            left: 50%;
            transform: translateX(-50%);
            width: 300px;
            height: 140px;
            background: radial-gradient(ellipse, rgba(34, 211, 238, 0.2), transparent 70%);
            pointer-events: none;
        }

        .gp-cta-panel h2 {
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
        }

        .gp-cta-panel p {
            color: var(--gp-text-sub);
            font-size: 16px;
            margin-bottom: 28px;
            position: relative;
        }

        .gp-cta-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
        }

        /* ======== 页脚 ======== */
        .gp-footer {
            background: #050C18;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 60px 0 30px;
            margin-top: 40px;
        }

        .gp-footer-col {
            margin-bottom: 30px;
        }

        .gp-footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .gp-footer-desc {
            font-size: 14px;
            color: var(--gp-text-sub);
            line-height: 1.7;
            max-width: 260px;
        }

        .gp-footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .gp-footer-col h4::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background: linear-gradient(90deg, var(--gp-primary), var(--gp-accent));
            border-radius: 2px;
        }

        .gp-footer-col a {
            display: block;
            font-size: 14px;
            color: var(--gp-text-sub);
            margin-bottom: 12px;
            transition: all var(--gp-transition);
        }

        .gp-footer-col a:hover {
            color: var(--gp-accent);
            padding-left: 4px;
        }

        .gp-footer-col p {
            font-size: 14px;
            color: var(--gp-text-sub);
            margin-bottom: 12px;
            line-height: 1.6;
        }

        .gp-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            margin-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--gp-text-dim);
        }

        .gp-footer-bottom a {
            color: var(--gp-text-dim);
            margin: 0 6px;
        }

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

        /* ======== 响应式 ======== */
        @media (max-width: 1023px) {
            .gp-content-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .gp-card-wide,
            .gp-card-small {
                grid-column: span 1;
            }

            .gp-card-narrow {
                grid-column: span 2;
            }

            .gp-media-row,
            .gp-media-row.reverse {
                flex-direction: column;
                gap: 32px;
            }

            .gp-media-img {
                width: 100%;
            }

            .gp-resource-list {
                grid-template-columns: 1fr;
            }

            .gp-nav {
                flex-wrap: wrap;
                gap: 12px;
            }

            .gp-nav-links {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                overflow-x: auto;
                padding-bottom: 4px;
                -webkit-overflow-scrolling: touch;
            }

            .gp-nav-card {
                padding: 8px 14px;
                font-size: 13px;
                flex-shrink: 0;
            }
        }

        @media (max-width: 639px) {
            .gp-section {
                padding: 56px 0;
            }

            .gp-cat-hero {
                padding: 48px 0 48px;
            }

            .gp-cat-hero h1 {
                font-size: 32px;
            }

            .gp-cat-hero-sub {
                font-size: 16px;
            }

            .gp-section-head h2 {
                font-size: 26px;
            }

            .gp-content-grid {
                grid-template-columns: 1fr;
            }

            .gp-card-wide,
            .gp-card-small,
            .gp-card-narrow {
                grid-column: span 1;
            }

            .gp-cta-panel {
                padding: 32px 20px;
            }

            .gp-cta-panel h2 {
                font-size: 24px;
            }

            .gp-hero-stats {
                flex-direction: column;
                gap: 12px;
            }

            .gp-btn-lg {
                padding: 12px 20px;
                font-size: 15px;
            }

            .gp-cat-hero-cta {
                flex-direction: column;
            }

            .gp-cat-hero-cta .gp-btn {
                width: 100%;
            }

            .gp-cta-btns {
                flex-direction: column;
            }

            .gp-cta-btns .gp-btn {
                width: 100%;
            }

            .gp-nav-cta .gp-btn {
                padding: 8px 14px;
                font-size: 13px;
                min-height: 36px;
            }

            .gp-footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .gp-resource-card {
                flex-direction: column;
                text-align: center;
                padding: 20px;
            }

            .gp-resource-cta {
                margin-top: 8px;
            }
        }

        @media (max-width: 420px) {
            .gp-nav {
                padding: 10px 12px;
            }

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

            .gp-logo-mark {
                width: 30px;
                height: 30px;
                font-size: 16px;
                border-radius: 10px;
            }

            .gp-nav-card {
                padding: 7px 10px;
                font-size: 12px;
            }
        }

/* roulang page: article */
/* ============ Design Tokens ============ */
        :root {
            --gp-bg: #060D1A;
            --gp-bg-panel: rgba(255, 255, 255, 0.06);
            --gp-bg-deep: #081120;
            --gp-primary: #2D7FF9;
            --gp-accent: #22D3EE;
            --gp-gold: #F5C451;
            --gp-text: #EEF4FF;
            --gp-text-sub: rgba(226, 240, 255, 0.72);
            --gp-text-dim: rgba(226, 240, 255, 0.45);
            --gp-border: rgba(255, 255, 255, 0.12);
            --gp-glow: rgba(34, 211, 238, 0.35);
            --gp-radius-lg: 24px;
            --gp-radius-md: 16px;
            --gp-radius-sm: 10px;
            --gp-shadow: 0 12px 48px rgba(0, 6, 18, 0.45);
            --gp-transition: 0.25s ease;
            --gp-container: 1200px;
            --gp-font: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", system-ui, sans-serif;
            --gp-font-num: "Inter", "Barlow", "Helvetica Neue", sans-serif;
        }

        /* ============ Reset / Base ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--gp-font);
            font-size: 16px;
            line-height: 1.75;
            color: var(--gp-text);
            background: var(--gp-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: var(--gp-accent);
            text-decoration: none;
            transition: color var(--gp-transition), border-color var(--gp-transition), background var(--gp-transition), box-shadow var(--gp-transition), transform var(--gp-transition);
        }

        a:hover,
        a:focus {
            color: #7FE8FF;
            outline: none;
        }

        a:focus-visible {
            outline: 2px solid var(--gp-accent);
            outline-offset: 3px;
            border-radius: 6px;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin-top: 0;
            font-weight: 700;
            line-height: 1.25;
            color: var(--gp-text);
            letter-spacing: 0.01em;
        }

        p {
            margin-top: 0;
            margin-bottom: 1.2rem;
        }

        ul,
        ol {
            margin-top: 0;
            margin-bottom: 1.2rem;
        }

        /* ============ Layout ============ */
        .grid-container {
            max-width: var(--gp-container);
            width: 100%;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        main {
            min-height: 70vh;
        }

        section {
            position: relative;
        }

        /* ============ Header / Nav ============ */
        .gp-header {
            padding-top: 18px;
            padding-bottom: 8px;
            position: relative;
            z-index: 100;
            background: transparent;
        }

        .gp-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            background: rgba(8, 17, 32, 0.78);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--gp-border);
            border-radius: var(--gp-radius-lg);
            padding: 12px 20px;
            box-shadow: var(--gp-shadow);
        }

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

        .gp-logo-mark {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--gp-primary), var(--gp-accent));
            border-radius: 12px;
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            box-shadow: 0 0 18px rgba(45, 127, 249, 0.35);
        }

        .gp-logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--gp-text);
            letter-spacing: 0.02em;
        }

        .gp-nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .gp-nav-card {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 9px 14px;
            border-radius: 14px;
            color: var(--gp-text-sub);
            font-size: 14px;
            font-weight: 500;
            background: transparent;
            border: 1px solid transparent;
            transition: all var(--gp-transition);
        }

        .gp-nav-card i {
            font-size: 14px;
            color: var(--gp-text-dim);
            transition: color var(--gp-transition);
        }

        .gp-nav-card:hover {
            color: var(--gp-text);
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(34, 211, 238, 0.35);
            box-shadow: 0 0 16px rgba(34, 211, 238, 0.12);
            transform: translateY(-2px);
        }

        .gp-nav-card:hover i {
            color: var(--gp-accent);
        }

        .gp-nav-card.active {
            color: #fff;
            background: rgba(45, 127, 249, 0.18);
            border-color: rgba(45, 127, 249, 0.45);
            box-shadow: 0 0 18px rgba(45, 127, 249, 0.16);
        }

        .gp-nav-card.active i {
            color: var(--gp-accent);
        }

        .gp-nav-cta {
            flex-shrink: 0;
        }

        /* ============ Buttons ============ */
        .gp-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 14px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.2;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--gp-transition);
            text-align: center;
            min-height: 48px;
            user-select: none;
        }

        .gp-btn-primary {
            background: linear-gradient(135deg, var(--gp-primary), var(--gp-accent));
            color: #fff;
            box-shadow: 0 4px 24px rgba(45, 127, 249, 0.32);
        }

        .gp-btn-primary:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 36px rgba(34, 211, 238, 0.42);
            filter: brightness(1.08);
        }

        .gp-btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 12px rgba(45, 127, 249, 0.25);
        }

        .gp-btn-outline {
            background: rgba(255, 255, 255, 0.05);
            color: var(--gp-text);
            border-color: var(--gp-border);
            box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.02);
        }

        .gp-btn-outline:hover {
            color: var(--gp-accent);
            border-color: rgba(34, 211, 238, 0.5);
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        .gp-btn-block {
            width: 100%;
        }

        .gp-btn:focus-visible {
            outline: 2px solid var(--gp-accent);
            outline-offset: 3px;
        }

        /* ============ Badge / Tag ============ */
        .gp-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 999px;
            background: rgba(34, 211, 238, 0.12);
            color: var(--gp-accent);
            font-size: 13px;
            font-weight: 500;
            border: 1px solid rgba(34, 211, 238, 0.25);
            line-height: 1.4;
        }

        .gp-tag {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--gp-text-sub);
            font-size: 13px;
            line-height: 1.4;
            margin: 0 8px 8px 0;
            transition: all var(--gp-transition);
        }

        .gp-tag:hover {
            color: var(--gp-accent);
            border-color: rgba(34, 211, 238, 0.4);
        }

        /* ============ Breadcrumb ============ */
        .gp-breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--gp-text-dim);
            margin-bottom: 24px;
        }

        .gp-breadcrumb a {
            color: var(--gp-text-sub);
            transition: color var(--gp-transition);
        }

        .gp-breadcrumb a:hover {
            color: var(--gp-accent);
        }

        .gp-breadcrumb-sep {
            color: rgba(255, 255, 255, 0.25);
            font-size: 12px;
        }

        .gp-breadcrumb-current {
            color: var(--gp-text-dim);
            max-width: 320px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ============ Article Hero ============ */
        .gp-article-hero {
            position: relative;
            padding: 72px 0 56px;
            background:
                linear-gradient(135deg, rgba(6, 13, 26, 0.94), rgba(8, 17, 32, 0.86)),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            overflow: hidden;
        }

        .gp-article-hero::before {
            content: '';
            position: absolute;
            top: -160px;
            right: -120px;
            width: 520px;
            height: 520px;
            background: radial-gradient(circle, rgba(45, 127, 249, 0.22), transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

        .gp-article-hero::after {
            content: '';
            position: absolute;
            bottom: -180px;
            left: -100px;
            width: 460px;
            height: 460px;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.13), transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

        .gp-article-hero .grid-container {
            position: relative;
            z-index: 1;
        }

        .gp-article-head {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 360px;
            gap: 48px;
            align-items: center;
        }

        .gp-article-head-main {
            min-width: 0;
        }

        .gp-article-cat {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(34, 211, 238, 0.12);
            border: 1px solid rgba(34, 211, 238, 0.25);
            color: var(--gp-accent);
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 18px;
        }

        .gp-article-head h1 {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.22;
            margin-bottom: 18px;
            color: var(--gp-text);
            letter-spacing: 0.01em;
            max-width: 680px;
        }

        .gp-article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 20px;
            color: var(--gp-text-dim);
            font-size: 14px;
        }

        .gp-article-meta i {
            margin-right: 4px;
            color: var(--gp-text-dim);
        }

        .gp-article-meta .gp-meta-item {
            display: inline-flex;
            align-items: center;
        }

        .gp-article-summary {
            color: var(--gp-text-sub);
            font-size: 16px;
            line-height: 1.75;
            max-width: 640px;
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 4;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .gp-article-head-media {
            position: relative;
            border-radius: var(--gp-radius-lg);
            overflow: hidden;
            border: 1px solid var(--gp-border);
            box-shadow: var(--gp-shadow);
        }

        .gp-article-head-media img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }

        .gp-article-head-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 13, 26, 0.1), rgba(6, 13, 26, 0.4));
            pointer-events: none;
        }

        /* ============ Article Body ============ */
        .gp-article-section {
            padding: 72px 0 40px;
            background: var(--gp-bg);
        }

        .gp-article-section.gp-section-alt {
            background: var(--gp-bg-deep);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .gp-article-wrap {
            max-width: 780px;
            margin: 0 auto;
        }

        .gp-article-content {
            font-size: 17px;
            line-height: 1.85;
            color: var(--gp-text);
            word-wrap: break-word;
        }

        .gp-article-content p {
            margin-bottom: 1.4em;
        }

        .gp-article-content h2,
        .gp-article-content h3,
        .gp-article-content h4 {
            margin-top: 2em;
            margin-bottom: 0.8em;
            font-weight: 700;
            color: var(--gp-text);
            line-height: 1.35;
        }

        .gp-article-content h2 {
            font-size: 26px;
            padding-bottom: 12px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .gp-article-content h3 {
            font-size: 21px;
        }

        .gp-article-content h4 {
            font-size: 18px;
        }

        .gp-article-content ul,
        .gp-article-content ol {
            padding-left: 1.4em;
            margin-bottom: 1.4em;
        }

        .gp-article-content ul li,
        .gp-article-content ol li {
            margin-bottom: 0.4em;
        }

        .gp-article-content ul li::marker {
            color: var(--gp-accent);
        }

        .gp-article-content ol li::marker {
            color: var(--gp-gold);
            font-weight: 600;
        }

        .gp-article-content a {
            color: var(--gp-accent);
            text-decoration: none;
            border-bottom: 1px solid rgba(34, 211, 238, 0.3);
            transition: border-color var(--gp-transition), color var(--gp-transition);
        }

        .gp-article-content a:hover {
            color: #7FE8FF;
            border-color: rgba(34, 211, 238, 0.7);
        }

        .gp-article-content blockquote {
            margin: 1.6em 0;
            padding: 18px 24px;
            background: rgba(34, 211, 238, 0.05);
            border-left: 4px solid var(--gp-accent);
            border-radius: 0 14px 14px 0;
            color: var(--gp-text-sub);
            font-style: normal;
        }

        .gp-article-content blockquote p {
            margin-bottom: 0;
        }

        .gp-article-content img {
            max-width: 100%;
            height: auto;
            border-radius: var(--gp-radius-md);
            margin: 1.6em auto;
            box-shadow: var(--gp-shadow);
        }

        .gp-article-content figure {
            margin: 1.8em 0;
        }

        .gp-article-content figure img {
            margin-bottom: 8px;
        }

        .gp-article-content figcaption {
            color: var(--gp-text-dim);
            font-size: 14px;
            text-align: center;
            margin-top: 8px;
        }

        .gp-article-content table {
            width: 100%;
            margin: 1.6em 0;
            border-collapse: separate;
            border-spacing: 0;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--gp-radius-md);
            overflow: hidden;
            font-size: 15px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .gp-article-content table th,
        .gp-article-content table td {
            padding: 14px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            text-align: left;
        }

        .gp-article-content table th {
            background: rgba(255, 255, 255, 0.07);
            font-weight: 600;
            color: var(--gp-text);
        }

        .gp-article-content table tr:last-child td {
            border-bottom: none;
        }

        .gp-article-content pre {
            margin: 1.6em 0;
            padding: 20px 24px;
            background: #0A1428;
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--gp-radius-md);
            overflow-x: auto;
            font-family: "SF Mono", "Consolas", "Courier New", monospace;
            font-size: 14px;
            line-height: 1.7;
            color: #B8E6FF;
        }

        .gp-article-content pre code {
            background: transparent;
            padding: 0;
            color: inherit;
            font-size: inherit;
        }

        .gp-article-content code {
            font-family: "SF Mono", "Consolas", "Courier New", monospace;
            background: rgba(34, 211, 238, 0.1);
            color: #7FE8FF;
            padding: 2px 6px;
            border-radius: 6px;
            font-size: 0.9em;
        }

        .gp-article-content hr {
            margin: 2.2em 0;
            border: none;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .gp-article-content iframe {
            max-width: 100%;
            border-radius: var(--gp-radius-md);
            margin: 1.6em 0;
        }

        /* ============ Article Empty ============ */
        .gp-article-empty {
            text-align: center;
            padding: 80px 24px;
            background: var(--gp-bg-panel);
            border: 1px solid var(--gp-border);
            border-radius: var(--gp-radius-lg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }

        .gp-article-empty i {
            font-size: 52px;
            color: var(--gp-text-dim);
            margin-bottom: 20px;
            display: inline-block;
        }

        .gp-article-empty h3 {
            font-size: 22px;
            color: var(--gp-text);
            margin-bottom: 10px;
        }

        .gp-article-empty p {
            color: var(--gp-text-sub);
            margin-bottom: 28px;
        }

        /* ============ Article Info / Tags / Prev Next ============ */
        .gp-article-info {
            max-width: 780px;
            margin: 56px auto 0;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .gp-article-tags {
            margin-bottom: 28px;
        }

        .gp-article-source {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 16px 20px;
            background: rgba(255, 255, 255, 0.045);
            border-radius: var(--gp-radius-md);
            border: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 32px;
            font-size: 14px;
            color: var(--gp-text-dim);
        }

        .gp-article-source i {
            color: var(--gp-accent);
            margin-right: 4px;
        }

        .gp-article-prevnext {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .gp-pn-item {
            display: flex;
            flex-direction: column;
            gap: 8px;
            padding: 20px 22px;
            border-radius: var(--gp-radius-md);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--gp-text-sub);
            transition: all var(--gp-transition);
        }

        .gp-pn-item:hover {
            color: var(--gp-accent);
            border-color: rgba(34, 211, 238, 0.4);
            background: rgba(255, 255, 255, 0.07);
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 6, 18, 0.3);
        }

        .gp-pn-label {
            font-size: 13px;
            color: var(--gp-text-dim);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .gp-pn-title {
            font-size: 15px;
            font-weight: 500;
            line-height: 1.5;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .gp-pn-next {
            text-align: right;
            align-items: flex-end;
        }

        /* ============ Related Section ============ */
        .gp-related-section {
            padding: 80px 0 64px;
        }

        .gp-section-title {
            text-align: center;
            margin-bottom: 48px;
        }

        .gp-section-title h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--gp-text);
        }

        .gp-section-title p {
            color: var(--gp-text-sub);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto;
        }

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

        .gp-related-card {
            display: flex;
            flex-direction: column;
            background: var(--gp-bg-panel);
            border: 1px solid var(--gp-border);
            border-radius: var(--gp-radius-lg);
            overflow: hidden;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            transition: all var(--gp-transition);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
        }

        .gp-related-card:hover {
            transform: translateY(-8px);
            border-color: rgba(34, 211, 238, 0.4);
            box-shadow: 0 16px 48px rgba(0, 6, 18, 0.5), 0 0 24px rgba(34, 211, 238, 0.08);
        }

        .gp-related-media {
            position: relative;
            overflow: hidden;
        }

        .gp-related-media img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .gp-related-card:hover .gp-related-media img {
            transform: scale(1.05);
        }

        .gp-related-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(6, 13, 26, 0.55));
            pointer-events: none;
        }

        .gp-related-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .gp-related-body .gp-badge {
            align-self: flex-start;
            margin-bottom: 14px;
        }

        .gp-related-body h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--gp-text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 50px;
        }

        .gp-related-body p {
            color: var(--gp-text-sub);
            font-size: 14px;
            line-height: 1.65;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .gp-related-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 13px;
            color: var(--gp-text-dim);
        }

        .gp-related-meta a {
            color: var(--gp-accent);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .gp-related-meta a i {
            transition: transform var(--gp-transition);
        }

        .gp-related-meta a:hover i {
            transform: translateX(4px);
        }

        .gp-related-more {
            text-align: center;
            margin-top: 48px;
        }

        /* ============ CTA Section ============ */
        .gp-cta-section {
            padding: 24px 0 72px;
            background: var(--gp-bg);
        }

        .gp-cta-panel {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            padding: 44px 52px;
            background:
                linear-gradient(135deg, rgba(6, 13, 26, 0.88), rgba(10, 24, 48, 0.92)),
                url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            border: 1px solid rgba(34, 211, 238, 0.22);
            border-radius: var(--gp-radius-lg);
            box-shadow: 0 16px 56px rgba(0, 6, 18, 0.55), inset 0 0 60px rgba(34, 211, 238, 0.04);
            overflow: hidden;
            position: relative;
        }

        .gp-cta-panel::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.16), transparent 70%);
            pointer-events: none;
        }

        .gp-cta-panel h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--gp-text);
        }

        .gp-cta-panel p {
            color: var(--gp-text-sub);
            margin-bottom: 0;
            font-size: 15px;
            max-width: 520px;
        }

        .gp-cta-panel .gp-btn {
            flex-shrink: 0;
            position: relative;
            z-index: 1;
        }

        /* ============ Footer ============ */
        .gp-footer {
            background: #050B16;
            padding: 64px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .gp-footer .grid-container {
            max-width: var(--gp-container);
        }

        .gp-footer-col {
            margin-bottom: 32px;
        }

        .gp-footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .gp-footer-brand .gp-logo-mark {
            width: 36px;
            height: 36px;
            font-size: 18px;
        }

        .gp-footer-brand .gp-logo-text {
            font-size: 20px;
        }

        .gp-footer-desc {
            color: var(--gp-text-sub);
            font-size: 14px;
            line-height: 1.7;
            max-width: 280px;
            margin-bottom: 0;
        }

        .gp-footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--gp-text);
        }

        .gp-footer-col a {
            display: block;
            color: var(--gp-text-sub);
            font-size: 14px;
            line-height: 1.8;
            padding: 3px 0;
            transition: color var(--gp-transition), padding-left var(--gp-transition);
        }

        .gp-footer-col a:hover {
            color: var(--gp-accent);
            padding-left: 6px;
        }

        .gp-footer-col p {
            color: var(--gp-text-sub);
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 4px;
        }

        .gp-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            margin-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            color: var(--gp-text-dim);
            font-size: 13px;
        }

        .gp-footer-bottom a {
            color: var(--gp-text-dim);
        }

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

        /* ============ Responsive ============ */
        @media screen and (max-width: 1023px) {
            .gp-article-head {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .gp-article-head-media {
                max-width: 460px;
            }

            .gp-related-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media screen and (max-width: 767px) {
            .gp-nav {
                flex-wrap: wrap;
                padding: 12px 14px;
            }

            .gp-nav-links {
                order: 3;
                width: 100%;
                overflow-x: auto;
                flex-wrap: nowrap;
                padding-bottom: 4px;
                scrollbar-width: none;
            }

            .gp-nav-links::-webkit-scrollbar {
                display: none;
            }

            .gp-nav-card {
                flex-shrink: 0;
                padding: 8px 14px;
                font-size: 13px;
            }

            .gp-nav-cta {
                margin-left: auto;
            }

            .gp-nav-cta .gp-btn {
                padding: 10px 18px;
                font-size: 14px;
                min-height: 42px;
            }

            .gp-article-hero {
                padding: 48px 0 40px;
            }

            .gp-article-head h1 {
                font-size: 30px;
            }

            .gp-article-meta {
                gap: 12px;
            }

            .gp-related-grid {
                grid-template-columns: 1fr;
            }

            .gp-cta-panel {
                flex-direction: column;
                padding: 32px 24px;
                text-align: center;
            }

            .gp-article-prevnext {
                grid-template-columns: 1fr;
            }

            .gp-pn-next {
                text-align: left;
                align-items: flex-start;
            }

            .gp-section-title h2 {
                font-size: 26px;
            }
        }

        @media screen and (max-width: 520px) {
            .gp-article-section {
                padding: 48px 0 32px;
            }

            .gp-article-content {
                font-size: 16px;
            }

            .gp-article-content h2 {
                font-size: 22px;
            }

            .gp-article-head h1 {
                font-size: 26px;
            }

            .gp-article-summary {
                font-size: 15px;
            }

            .gp-footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category2 */
/* ===== Design Tokens ===== */
        :root {
            --gp-bg: #060D1A;
            --gp-bg-panel: rgba(255, 255, 255, 0.06);
            --gp-bg-panel-hover: rgba(255, 255, 255, 0.09);
            --gp-primary: #2D7FF9;
            --gp-accent: #22D3EE;
            --gp-gold: #F5C451;
            --gp-text: #EEF4FF;
            --gp-text-sub: rgba(226, 240, 255, 0.72);
            --gp-text-dim: rgba(226, 240, 255, 0.45);
            --gp-border: rgba(255, 255, 255, 0.12);
            --gp-glow: rgba(34, 211, 238, 0.45);
            --gp-radius-lg: 24px;
            --gp-radius-md: 16px;
            --gp-radius-sm: 10px;
            --gp-shadow: 0 12px 48px rgba(0, 6, 18, 0.45);
            --gp-transition: 0.25s ease;
            --gp-container: 1200px;
        }

        /* ===== Reset / Base ===== */
        *,
        *::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", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
            background: linear-gradient(180deg, #081120 0%, #0A1830 100%);
            color: var(--gp-text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            min-height: 100vh;
        }

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

        a {
            color: var(--gp-accent);
            text-decoration: none;
            transition: color var(--gp-transition);
        }

        a:hover {
            color: #67E8F9;
        }

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

        .grid-container {
            max-width: var(--gp-container);
        }

        /* ===== Section Spacing ===== */
        .gp-section {
            padding: 96px 0;
            position: relative;
        }

        .gp-section-deep {
            padding: 96px 0;
            position: relative;
            background: rgba(4, 10, 22, 0.6);
        }

        /* ===== Header / Nav Card Panel ===== */
        .gp-header {
            padding-top: 20px;
            padding-bottom: 10px;
            position: relative;
            z-index: 100;
        }

        .gp-nav {
            background: rgba(10, 18, 34, 0.72);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--gp-border);
            border-radius: var(--gp-radius-lg);
            box-shadow: var(--gp-shadow);
            padding: 12px 16px;
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }

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

        .gp-logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--gp-primary), var(--gp-accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 20px;
            color: #fff;
            box-shadow: 0 0 20px rgba(45, 127, 249, 0.4);
        }

        .gp-logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--gp-text);
            letter-spacing: 0.02em;
        }

        .gp-nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            flex-wrap: wrap;
        }

        .gp-nav-card {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid transparent;
            color: var(--gp-text-sub);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--gp-transition);
            white-space: nowrap;
        }

        .gp-nav-card i {
            font-size: 14px;
            color: var(--gp-accent);
            opacity: 0.7;
        }

        .gp-nav-card:hover {
            color: var(--gp-text);
            border-color: rgba(34, 211, 238, 0.35);
            background: rgba(34, 211, 238, 0.08);
            transform: translateY(-2px);
            box-shadow: 0 4px 20px rgba(34, 211, 238, 0.15);
        }

        .gp-nav-card.active {
            color: #fff;
            border-color: rgba(34, 211, 238, 0.5);
            background: linear-gradient(135deg, rgba(45, 127, 249, 0.25), rgba(34, 211, 238, 0.15));
            box-shadow: 0 0 20px rgba(34, 211, 238, 0.15);
        }

        .gp-nav-card.active i {
            opacity: 1;
        }

        .gp-nav-cta {
            flex-shrink: 0;
        }

        /* ===== Buttons ===== */
        .gp-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: all var(--gp-transition);
            min-height: 46px;
            text-decoration: none;
        }

        .gp-btn-primary {
            background: linear-gradient(135deg, var(--gp-primary), var(--gp-accent));
            color: #fff;
            box-shadow: 0 0 20px rgba(34, 211, 238, 0.3);
        }

        .gp-btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 32px rgba(34, 211, 238, 0.45);
            color: #fff;
            filter: brightness(1.08);
        }

        .gp-btn-secondary {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid var(--gp-border);
            color: var(--gp-text);
            backdrop-filter: blur(10px);
        }

        .gp-btn-secondary:hover {
            border-color: rgba(34, 211, 238, 0.4);
            background: rgba(255, 255, 255, 0.12);
            color: var(--gp-text);
            transform: translateY(-2px);
        }

        .gp-btn-block {
            width: 100%;
        }

        /* ===== Badges / Tags ===== */
        .gp-badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(34, 211, 238, 0.12);
            border: 1px solid rgba(34, 211, 238, 0.25);
            color: var(--gp-accent);
            font-size: 13px;
            font-weight: 500;
            line-height: 1.5;
        }

        .gp-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid var(--gp-border);
            color: var(--gp-text-sub);
            font-size: 12px;
            font-weight: 500;
            margin-right: 6px;
            margin-bottom: 4px;
        }

        /* ===== Section Titles ===== */
        .gp-section-head {
            margin-bottom: 48px;
            max-width: 720px;
        }

        .gp-section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .gp-eyebrow {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: var(--gp-accent);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 12px;
            background: rgba(34, 211, 238, 0.08);
            padding: 4px 14px;
            border-radius: 999px;
            border: 1px solid rgba(34, 211, 238, 0.2);
        }

        .gp-h2 {
            font-size: 32px;
            line-height: 1.25;
            font-weight: 700;
            color: var(--gp-text);
            margin-bottom: 12px;
        }

        .gp-section-desc {
            color: var(--gp-text-sub);
            font-size: 16px;
            line-height: 1.7;
        }

        /* ===== Hero ===== */
        .gp-category-hero {
            position: relative;
            padding: 120px 0 100px;
            overflow: hidden;
            border-radius: 0 0 40px 40px;
            background:
                linear-gradient(rgba(6, 13, 26, 0.82), rgba(6, 13, 26, 0.88)),
                url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
        }

        .gp-category-hero::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .gp-category-hero::after {
            content: '';
            position: absolute;
            bottom: -120px;
            left: -80px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(45, 127, 249, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .gp-breadcrumb {
            font-size: 14px;
            color: var(--gp-text-dim);
            margin-bottom: 20px;
        }

        .gp-breadcrumb a {
            color: var(--gp-text-dim);
        }

        .gp-breadcrumb a:hover {
            color: var(--gp-accent);
        }

        .gp-breadcrumb .sep {
            margin: 0 8px;
            color: var(--gp-text-dim);
        }

        .gp-category-hero h1 {
            font-size: 48px;
            line-height: 1.2;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--gp-text);
            max-width: 640px;
        }

        .gp-category-hero p {
            font-size: 18px;
            color: var(--gp-text-sub);
            max-width: 640px;
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .gp-hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== Feature Cards (Asymmetric) ===== */
        .gp-card {
            background: var(--gp-bg-panel);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--gp-border);
            border-radius: var(--gp-radius-lg);
            padding: 32px;
            box-shadow: var(--gp-shadow);
            transition: all var(--gp-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }

        .gp-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, rgba(34, 211, 238, 0.5), transparent);
            opacity: 0;
            transition: opacity var(--gp-transition);
        }

        .gp-card:hover {
            transform: translateY(-6px);
            border-color: rgba(34, 211, 238, 0.35);
            background: var(--gp-bg-panel-hover);
            box-shadow: 0 20px 60px rgba(0, 6, 18, 0.55), 0 0 24px rgba(34, 211, 238, 0.08);
        }

        .gp-card:hover::after {
            opacity: 1;
        }

        .gp-card-lg {
            padding: 40px;
        }

        .gp-card-icon {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(45, 127, 249, 0.25), rgba(34, 211, 238, 0.2));
            border: 1px solid rgba(34, 211, 238, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--gp-accent);
            margin-bottom: 20px;
            box-shadow: 0 0 16px rgba(34, 211, 238, 0.12);
        }

        .gp-card h3,
        .gp-card h4 {
            font-size: 20px;
            font-weight: 700;
            color: var(--gp-text);
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .gp-card-lg h3 {
            font-size: 24px;
        }

        .gp-card p {
            color: var(--gp-text-sub);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .gp-card-link {
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--gp-accent);
            transition: gap var(--gp-transition);
        }

        .gp-card-link:hover {
            gap: 12px;
            color: #67E8F9;
        }

        .gp-card-grid {
            display: grid;
            gap: 32px;
        }

        .gp-grid-feature {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 32px;
        }

        .gp-grid-stack {
            display: grid;
            gap: 32px;
            grid-template-rows: 1fr 1fr;
        }

        /* ===== Image Text Strip ===== */
        .gp-strip {
            display: flex;
            align-items: center;
            gap: 64px;
            padding: 64px 0;
        }

        .gp-strip-reverse {
            flex-direction: row-reverse;
        }

        .gp-strip-media {
            flex: 1;
            border-radius: var(--gp-radius-lg);
            overflow: hidden;
            border: 1px solid var(--gp-border);
            box-shadow: var(--gp-shadow);
            position: relative;
            min-height: 320px;
            background: #0B1428;
        }

        .gp-strip-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        .gp-strip-body {
            flex: 1;
        }

        .gp-strip-body h3 {
            font-size: 28px;
            line-height: 1.3;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--gp-text);
        }

        .gp-strip-body p {
            color: var(--gp-text-sub);
            font-size: 16px;
            line-height: 1.75;
            margin-bottom: 20px;
        }

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

        .gp-strip-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            font-size: 15px;
            color: var(--gp-text-sub);
        }

        .gp-strip-list li i {
            color: var(--gp-gold);
            font-size: 14px;
            margin-top: 5px;
        }

        /* ===== Scenario Cards ===== */
        .gp-scenario-card {
            border-radius: var(--gp-radius-lg);
            padding: 36px;
            height: 100%;
            border: 1px solid var(--gp-border);
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
            transition: all var(--gp-transition);
            position: relative;
            overflow: hidden;
        }

        .gp-scenario-card:hover {
            transform: translateY(-4px);
            border-color: rgba(34, 211, 238, 0.35);
            box-shadow: 0 12px 40px rgba(0, 6, 18, 0.4);
        }

        .gp-scenario-card.large {
            background: linear-gradient(145deg, rgba(45, 127, 249, 0.12), rgba(34, 211, 238, 0.04));
        }

        .gp-scenario-card h4 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--gp-text);
        }

        .gp-scenario-card p {
            color: var(--gp-text-sub);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 16px;
        }

        /* ===== Resource Panel ===== */
        .gp-resource {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--gp-border);
            border-radius: var(--gp-radius-md);
            padding: 24px 28px;
            display: flex;
            align-items: center;
            gap: 20px;
            transition: all var(--gp-transition);
            height: 100%;
        }

        .gp-resource:hover {
            border-color: rgba(34, 211, 238, 0.35);
            background: rgba(34, 211, 238, 0.05);
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(0, 6, 18, 0.35);
        }

        .gp-resource-icon {
            width: 48px;
            height: 48px;
            flex-shrink: 0;
            border-radius: 14px;
            background: rgba(34, 211, 238, 0.12);
            border: 1px solid rgba(34, 211, 238, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--gp-accent);
        }

        .gp-resource-body {
            flex: 1;
        }

        .gp-resource-body h5 {
            font-size: 16px;
            font-weight: 600;
            color: var(--gp-text);
            margin-bottom: 4px;
        }

        .gp-resource-body span {
            font-size: 13px;
            color: var(--gp-text-dim);
        }

        .gp-resource-arrow {
            color: var(--gp-text-dim);
            transition: all var(--gp-transition);
            font-size: 14px;
        }

        .gp-resource:hover .gp-resource-arrow {
            color: var(--gp-accent);
            transform: translateX(4px);
        }

        /* ===== Stats ===== */
        .gp-stats-wrap {
            background: rgba(6, 13, 26, 0.7);
            border: 1px solid var(--gp-border);
            border-radius: var(--gp-radius-lg);
            padding: 48px;
            position: relative;
            overflow: hidden;
        }

        .gp-stats-wrap::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(245, 196, 81, 0.08) 0%, transparent 70%);
        }

        .gp-stat-num {
            font-size: 56px;
            font-weight: 800;
            font-family: "Barlow", "Inter", sans-serif;
            color: var(--gp-gold);
            text-shadow: 0 0 30px rgba(245, 196, 81, 0.3);
            line-height: 1.1;
        }

        .gp-stat-unit {
            font-size: 20px;
            font-weight: 600;
            color: var(--gp-text-sub);
            margin-left: 4px;
        }

        .gp-stat-label {
            color: var(--gp-text-dim);
            font-size: 14px;
            margin-top: 8px;
        }

        /* ===== FAQ Accordion ===== */
        .gp-faq-item {
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid var(--gp-border);
            border-radius: var(--gp-radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all var(--gp-transition);
        }

        .gp-faq-item:hover {
            border-color: rgba(34, 211, 238, 0.25);
        }

        .gp-faq-item.is-open {
            border-color: rgba(34, 211, 238, 0.45);
            background: rgba(34, 211, 238, 0.05);
        }

        .gp-faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--gp-text);
            gap: 16px;
            user-select: none;
        }

        .gp-faq-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.07);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--gp-accent);
            transition: transform var(--gp-transition);
        }

        .gp-faq-item.is-open .gp-faq-icon {
            transform: rotate(45deg);
            background: rgba(34, 211, 238, 0.15);
        }

        .gp-faq-answer {
            display: none;
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--gp-text-sub);
            line-height: 1.7;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 0;
            padding-top: 16px;
        }

        .gp-faq-item.is-open .gp-faq-answer {
            display: block;
        }

        /* ===== CTA Panel ===== */
        .gp-cta-panel {
            background: linear-gradient(135deg, rgba(45, 127, 249, 0.2), rgba(34, 211, 238, 0.08));
            border: 1px solid rgba(34, 211, 238, 0.3);
            border-radius: var(--gp-radius-lg);
            padding: 56px 64px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 0 48px rgba(34, 211, 238, 0.08);
        }

        .gp-cta-panel::before {
            content: '';
            position: absolute;
            top: -80px;
            left: 50%;
            transform: translateX(-50%);
            width: 400px;
            height: 200px;
            background: radial-gradient(ellipse, rgba(34, 211, 238, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .gp-cta-panel h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--gp-text);
        }

        .gp-cta-panel p {
            color: var(--gp-text-sub);
            font-size: 17px;
            margin-bottom: 32px;
        }

        .gp-cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .gp-footer {
            background: #060D1A;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 64px 0 24px;
            margin-top: 0;
        }

        .gp-footer-col {
            margin-bottom: 32px;
        }

        .gp-footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .gp-footer-desc {
            color: var(--gp-text-dim);
            font-size: 14px;
            line-height: 1.7;
            max-width: 260px;
        }

        .gp-footer h4 {
            color: var(--gp-text);
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .gp-footer-col a {
            display: block;
            color: var(--gp-text-dim);
            font-size: 14px;
            padding: 5px 0;
            transition: color var(--gp-transition), padding-left var(--gp-transition);
        }

        .gp-footer-col a:hover {
            color: var(--gp-accent);
            padding-left: 4px;
        }

        .gp-footer-col p {
            color: var(--gp-text-dim);
            font-size: 14px;
            padding: 4px 0;
        }

        .gp-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 32px;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--gp-text-dim);
        }

        .gp-footer-bottom a {
            color: var(--gp-text-dim);
        }

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

        /* ===== Reveal Modal overrides ===== */
        .reveal-overlay {
            background: rgba(4, 8, 18, 0.72) !important;
            backdrop-filter: blur(6px);
        }

        .gp-modal {
            background: rgba(13, 22, 40, 0.92) !important;
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border-radius: var(--gp-radius-lg);
            border: 1px solid var(--gp-border);
            box-shadow: var(--gp-shadow);
            padding: 36px !important;
            max-width: 520px;
            color: var(--gp-text);
        }

        .gp-modal h3 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .gp-modal .gp-modal-sub {
            color: var(--gp-text-sub);
            font-size: 14px;
            margin-bottom: 24px;
        }

        .gp-modal label {
            color: var(--gp-text);
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 6px;
        }

        .gp-modal input,
        .gp-modal select,
        .gp-modal textarea {
            width: 100%;
            background: rgba(0, 0, 0, 0.25);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 10px;
            color: var(--gp-text);
            padding: 12px 14px;
            margin-bottom: 18px;
            transition: border-color var(--gp-transition), box-shadow var(--gp-transition);
            outline: none;
            font-size: 14px;
        }

        .gp-modal input:focus,
        .gp-modal select:focus,
        .gp-modal textarea:focus {
            border-color: var(--gp-accent);
            box-shadow: 0 0 12px rgba(34, 211, 238, 0.15);
        }

        .gp-modal input::placeholder,
        .gp-modal textarea::placeholder {
            color: var(--gp-text-dim);
        }

        .gp-modal select option {
            background: #0D1628;
            color: var(--gp-text);
        }

        .gp-checkbox-wrap {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 20px;
        }

        .gp-checkbox-wrap input[type="checkbox"] {
            width: 18px;
            height: 18px;
            margin: 3px 0 0;
            accent-color: var(--gp-accent);
            cursor: pointer;
        }

        .gp-checkbox-wrap label {
            font-size: 13px;
            color: var(--gp-text-sub);
            line-height: 1.5;
            margin-bottom: 0;
            cursor: pointer;
            font-weight: 400;
        }

        .gp-checkbox-wrap a {
            color: var(--gp-accent);
        }

        .gp-modal-success {
            text-align: center;
            padding: 40px 20px;
            display: none;
        }

        .gp-modal-success i {
            font-size: 60px;
            color: var(--gp-accent);
            margin-bottom: 16px;
        }

        .gp-modal-success h4 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .gp-modal-success p {
            color: var(--gp-text-sub);
            font-size: 14px;
            margin-bottom: 24px;
        }

        .gp-close-btn {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--gp-border);
            color: var(--gp-text);
            border-radius: 999px;
            padding: 10px 28px;
            font-size: 14px;
            cursor: pointer;
            transition: all var(--gp-transition);
            display: inline-block;
            margin-top: 8px;
        }

        .gp-close-btn:hover {
            border-color: rgba(34, 211, 238, 0.4);
            color: #fff;
            background: rgba(34, 211, 238, 0.1);
        }

        /* ===== Focus States ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--gp-accent);
            outline-offset: 2px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            .gp-section {
                padding: 64px 0;
            }
            .gp-category-hero {
                padding: 90px 0 70px;
            }
            .gp-category-hero h1 {
                font-size: 36px;
            }
            .gp-grid-feature {
                grid-template-columns: 1fr;
            }
            .gp-grid-stack {
                grid-template-rows: auto;
            }
            .gp-strip {
                flex-direction: column;
                gap: 32px;
                padding: 40px 0;
            }
            .gp-strip-reverse {
                flex-direction: column;
            }
            .gp-strip-body h3 {
                font-size: 24px;
            }
            .gp-h2 {
                font-size: 28px;
            }
            .gp-cta-panel {
                padding: 40px 32px;
            }
            .gp-cta-panel h2 {
                font-size: 26px;
            }
            .gp-nav {
                gap: 12px;
            }
            .gp-nav-links {
                overflow-x: auto;
                flex-wrap: nowrap;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 4px;
            }
            .gp-nav-card {
                flex-shrink: 0;
            }
            .gp-nav-cta .gp-btn {
                padding: 10px 20px;
                font-size: 14px;
            }
        }

        @media (max-width: 767px) {
            .gp-section {
                padding: 48px 0;
            }
            .gp-category-hero {
                padding: 64px 0 56px;
                border-radius: 0 0 24px 24px;
            }
            .gp-category-hero h1 {
                font-size: 32px;
            }
            .gp-category-hero p {
                font-size: 16px;
            }
            .gp-h2 {
                font-size: 24px;
            }
            .gp-card {
                padding: 24px;
            }
            .gp-card-lg {
                padding: 28px;
            }
            .gp-scenario-card {
                padding: 24px;
            }
            .gp-card-icon {
                width: 44px;
                height: 44px;
                font-size: 18px;
            }
            .gp-stat-num {
                font-size: 40px;
            }
            .gp-stats-wrap {
                padding: 32px 24px;
            }
            .gp-strip-media,
            .gp-strip-media img {
                min-height: 220px;
            }
            .gp-cta-panel {
                padding: 32px 24px;
            }
            .gp-cta-panel h2 {
                font-size: 22px;
            }
            .gp-hero-actions {
                flex-direction: column;
            }
            .gp-hero-actions .gp-btn {
                width: 100%;
            }
            .gp-nav {
                padding: 12px;
                flex-wrap: wrap;
            }
            .gp-logo-text {
                font-size: 18px;
            }
            .gp-nav-cta .gp-btn {
                padding: 8px 16px;
                font-size: 13px;
                min-height: 40px;
            }
            .gp-footer {
                padding: 48px 0 20px;
            }
            .gp-footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .gp-modal {
                padding: 24px !important;
            }
        }

        @media (max-width: 520px) {
            .gp-nav-links {
                gap: 6px;
            }
            .gp-nav-card {
                padding: 7px 12px;
                font-size: 13px;
            }
            .gp-logo-text {
                display: none;
            }
            .gp-nav {
                gap: 8px;
            }
            .gp-btn {
                padding: 10px 20px;
                font-size: 14px;
                min-height: 44px;
            }
        }

/* roulang page: category3 */
:root {
            --gp-bg: #060D1A;
            --gp-bg-panel: rgba(255, 255, 255, 0.06);
            --gp-primary: #2D7FF9;
            --gp-accent: #22D3EE;
            --gp-gold: #F5C451;
            --gp-text: #EEF4FF;
            --gp-text-sub: rgba(226, 240, 255, 0.72);
            --gp-text-dim: rgba(226, 240, 255, 0.45);
            --gp-border: rgba(255, 255, 255, 0.12);
            --gp-glow: rgba(34, 211, 238, 0.45);
            --gp-radius-lg: 24px;
            --gp-radius-md: 16px;
            --gp-radius-sm: 10px;
            --gp-shadow: 0 12px 48px rgba(0, 6, 18, 0.45);
            --gp-transition: 0.25s ease;
            --gp-container: 1200px;
        }

        *,
        *::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", "Source Han Sans SC", "Inter", "Helvetica Neue", system-ui, sans-serif;
            background: linear-gradient(180deg, #081120 0%, #0A1830 100%);
            color: var(--gp-text);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--gp-accent);
            text-decoration: none;
            transition: color 0.25s ease;
        }

        a:hover {
            color: #67e8f9;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--gp-accent);
            outline-offset: 2px;
        }

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

        .grid-container {
            max-width: var(--gp-container);
        }

        /* ===== Header / Nav ===== */
        .gp-header {
            position: relative;
            z-index: 50;
            padding: 18px 0 10px;
        }

        .gp-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.03));
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 24px;
            padding: 14px 22px;
            box-shadow: 0 8px 32px rgba(0, 6, 18, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.08);
        }

        .gp-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
            min-width: max-content;
        }

        .gp-logo-mark {
            width: 42px;
            height: 42px;
            border-radius: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--gp-primary), var(--gp-accent));
            color: #fff;
            box-shadow: 0 0 20px rgba(45, 127, 249, 0.45);
        }

        .gp-logo-text {
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--gp-text);
            white-space: nowrap;
        }

        .gp-nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
        }

        .gp-nav-links::-webkit-scrollbar {
            display: none;
        }

        .gp-nav-card {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 16px;
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: rgba(238, 244, 255, 0.82);
            font-size: 14px;
            font-weight: 500;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .gp-nav-card i {
            font-size: 14px;
            color: var(--gp-accent);
            opacity: 0.7;
        }

        .gp-nav-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(34, 211, 238, 0.4);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(34, 211, 238, 0.15);
        }

        .gp-nav-card.active {
            background: linear-gradient(135deg, rgba(45, 127, 249, 0.25), rgba(34, 211, 238, 0.15));
            border-color: rgba(34, 211, 238, 0.55);
            color: #fff;
            box-shadow: 0 0 20px rgba(34, 211, 238, 0.12);
        }

        .gp-nav-card.active i {
            opacity: 1;
        }

        .gp-nav-cta {
            flex-shrink: 0;
        }

        /* ===== Buttons ===== */
        .gp-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            min-height: 44px;
            line-height: 1.2;
            text-decoration: none;
        }

        .gp-btn-primary {
            background: linear-gradient(135deg, var(--gp-primary), var(--gp-accent));
            color: #fff;
            box-shadow: 0 4px 24px rgba(45, 127, 249, 0.35), 0 0 12px rgba(34, 211, 238, 0.2);
        }

        .gp-btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 36px rgba(45, 127, 249, 0.5), 0 0 24px rgba(34, 211, 238, 0.35);
            color: #fff;
        }

        .gp-btn-outline {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--gp-border);
            color: var(--gp-text);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .gp-btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.3);
            color: #fff;
            transform: translateY(-2px);
        }

        .gp-btn-sm {
            padding: 8px 18px;
            font-size: 14px;
            min-height: 38px;
        }

        .gp-btn-block {
            width: 100%;
        }

        .gp-btn-light {
            background: #fff;
            color: #081120;
        }

        .gp-btn-light:hover {
            background: #e5f2ff;
            color: #081120;
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(255, 255, 255, 0.2);
        }

        .gp-btn:active {
            transform: translateY(0) scale(0.98);
        }

        /* ===== Hero Category ===== */
        .gp-category-hero {
            position: relative;
            padding: 110px 0 90px;
            background:
                linear-gradient(rgba(6, 13, 26, 0.82), rgba(6, 13, 26, 0.9)),
                url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            overflow: hidden;
        }

        .gp-category-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -100px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(45, 127, 249, 0.25), transparent 70%);
            pointer-events: none;
        }

        .gp-category-hero::after {
            content: '';
            position: absolute;
            bottom: -120px;
            left: -80px;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.16), transparent 70%);
            pointer-events: none;
        }

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

        .gp-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--gp-text-dim);
            margin-bottom: 26px;
            flex-wrap: wrap;
        }

        .gp-breadcrumb a {
            color: var(--gp-text-sub);
        }

        .gp-breadcrumb a:hover {
            color: var(--gp-accent);
        }

        .gp-breadcrumb .sep {
            color: rgba(255, 255, 255, 0.3);
        }

        .gp-breadcrumb .current {
            color: var(--gp-accent);
            font-weight: 500;
        }

        .gp-category-hero h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: 0.01em;
            max-width: 700px;
            margin-bottom: 20px;
            color: #fff;
        }

        .gp-category-hero .gp-hero-sub {
            font-size: 17px;
            line-height: 1.8;
            color: var(--gp-text-sub);
            max-width: 620px;
            margin-bottom: 32px;
        }

        .gp-hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== Section common ===== */
        .gp-section {
            padding: 96px 0;
        }

        .gp-section-alt {
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01));
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .gp-section-title {
            font-size: clamp(1.75rem, 3vw, 2.25rem);
            font-weight: 700;
            line-height: 1.3;
            color: #fff;
            margin-bottom: 14px;
        }

        .gp-section-subtitle {
            font-size: 16px;
            color: var(--gp-text-sub);
            max-width: 560px;
            line-height: 1.7;
        }

        .gp-section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 44px;
            flex-wrap: wrap;
        }

        /* ===== Pain Cards ===== */
        .gp-pain-grid .gp-card {
            height: 100%;
        }

        .gp-pain-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(34, 211, 238, 0.12);
            color: var(--gp-accent);
            font-size: 18px;
            margin-bottom: 18px;
            border: 1px solid rgba(34, 211, 238, 0.2);
        }

        .gp-card {
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--gp-border);
            border-radius: var(--gp-radius-lg);
            padding: 28px;
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
            box-shadow: var(--gp-shadow);
        }

        .gp-card:hover {
            transform: translateY(-6px);
            border-color: rgba(255, 255, 255, 0.22);
            box-shadow: 0 18px 48px rgba(0, 6, 18, 0.55), 0 0 24px rgba(34, 211, 238, 0.08);
        }

        .gp-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .gp-card p {
            font-size: 15px;
            color: var(--gp-text-sub);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== Capability Cards (asymmetric) ===== */
        .gp-cap-section .gp-card-large {
            background: linear-gradient(145deg, rgba(45, 127, 249, 0.16), rgba(34, 211, 238, 0.06));
            border-color: rgba(45, 127, 249, 0.3);
            padding: 36px;
        }

        .gp-cap-section .gp-card-large h3 {
            font-size: 22px;
            margin-bottom: 14px;
        }

        .gp-cap-section .gp-card-large p {
            font-size: 16px;
            margin-bottom: 16px;
        }

        .gp-cap-icon {
            width: 50px;
            height: 50px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(45, 127, 249, 0.3), rgba(34, 211, 238, 0.2));
            color: #a5f3fc;
            font-size: 20px;
            margin-bottom: 20px;
            border: 1px solid rgba(34, 211, 238, 0.25);
        }

        .gp-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 18px;
        }

        .gp-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            padding: 5px 14px;
            border-radius: 999px;
            background: rgba(34, 211, 238, 0.1);
            color: #67e8f9;
            border: 1px solid rgba(34, 211, 238, 0.22);
            font-weight: 500;
        }

        .gp-tag-gold {
            background: rgba(245, 196, 81, 0.1);
            color: #fde68a;
            border-color: rgba(245, 196, 81, 0.22);
        }

        /* ===== Scenario Blocks ===== */
        .gp-scenario-block {
            padding: 60px 0;
        }

        .gp-scenario-block + .gp-scenario-block {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .gp-scenario-media {
            border-radius: var(--gp-radius-lg);
            overflow: hidden;
            position: relative;
            box-shadow: var(--gp-shadow);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .gp-scenario-media img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }

        .gp-scenario-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(6, 13, 26, 0.4), transparent 50%);
            pointer-events: none;
        }

        .gp-scenario-content {
            padding: 20px 0;
        }

        .gp-scenario-content h3 {
            font-size: 24px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .gp-scenario-content p {
            font-size: 16px;
            line-height: 1.8;
            color: var(--gp-text-sub);
            margin-bottom: 16px;
        }

        .gp-scenario-points {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }

        .gp-scenario-points li {
            position: relative;
            padding-left: 26px;
            font-size: 15px;
            color: var(--gp-text-sub);
            line-height: 1.7;
            margin-bottom: 8px;
        }

        .gp-scenario-points li::before {
            content: '';
            position: absolute;
            top: 10px;
            left: 0;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--gp-accent);
            box-shadow: 0 0 8px rgba(34, 211, 238, 0.5);
        }

        /* ===== Data Stats ===== */
        .gp-stats-section {
            position: relative;
            background:
                linear-gradient(135deg, rgba(8, 17, 32, 0.96), rgba(13, 28, 52, 0.96)),
                url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .gp-stats-panel {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 28px;
            padding: 56px 48px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .gp-stat-item {
            text-align: center;
            padding: 20px 12px;
        }

        .gp-stat-num {
            font-family: "Barlow Condensed", "Barlow", "Inter", sans-serif;
            font-size: clamp(3rem, 5vw, 3.75rem);
            font-weight: 700;
            line-height: 1.1;
            color: var(--gp-gold);
            text-shadow: 0 0 30px rgba(245, 196, 81, 0.3);
        }

        .gp-stat-unit {
            font-size: 18px;
            font-weight: 400;
            margin-left: 2px;
            color: rgba(255, 255, 255, 0.6);
        }

        .gp-stat-label {
            font-size: 14px;
            color: var(--gp-text-sub);
            margin-top: 10px;
            letter-spacing: 0.02em;
        }

        /* ===== Resource Row ===== */
        .gp-resource-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 22px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--gp-radius-md);
            transition: all 0.25s ease;
            color: var(--gp-text);
        }

        .gp-resource-item:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(34, 211, 238, 0.35);
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
        }

        .gp-resource-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(34, 211, 238, 0.1);
            border: 1px solid rgba(34, 211, 238, 0.15);
            color: var(--gp-accent);
            font-size: 18px;
            flex-shrink: 0;
        }

        .gp-resource-info {
            flex: 1;
        }

        .gp-resource-info h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 2px;
        }

        .gp-resource-info p {
            font-size: 13px;
            color: var(--gp-text-dim);
            margin: 0;
        }

        .gp-resource-arrow {
            color: var(--gp-text-dim);
            transition: all 0.25s ease;
            font-size: 14px;
        }

        .gp-resource-item:hover .gp-resource-arrow {
            color: var(--gp-accent);
            transform: translateX(4px);
        }

        /* ===== FAQ ===== */
        .gp-faq-wrap .accordion-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--gp-radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .gp-faq-wrap .accordion-item:hover {
            border-color: rgba(255, 255, 255, 0.16);
        }

        .gp-faq-wrap .accordion-item.is-active {
            border-color: rgba(34, 211, 238, 0.5);
            box-shadow: 0 0 20px rgba(34, 211, 238, 0.06);
        }

        .gp-faq-wrap .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            background: transparent;
            border: none;
            cursor: pointer;
            transition: color 0.25s ease;
        }

        .gp-faq-wrap .accordion-title:hover {
            color: var(--gp-accent);
            background: transparent;
        }

        .gp-faq-wrap .accordion-title::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--gp-accent);
            font-size: 14px;
            transition: transform 0.3s ease;
        }

        .gp-faq-wrap .accordion-item.is-active > .accordion-title::after {
            transform: rotate(180deg);
        }

        .gp-faq-wrap .accordion-content {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--gp-text-sub);
            line-height: 1.7;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin: 0 24px;
            padding-left: 0;
            padding-right: 0;
            background: transparent;
        }

        /* ===== Bottom CTA ===== */
        .gp-bottom-cta {
            position: relative;
            padding: 88px 0;
            overflow: hidden;
        }

        .gp-bottom-cta::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(45, 127, 249, 0.25), transparent 65%);
            pointer-events: none;
        }

        .gp-cta-panel {
            position: relative;
            z-index: 2;
            background: linear-gradient(145deg, rgba(45, 127, 249, 0.22), rgba(34, 211, 238, 0.1));
            border: 1px solid rgba(34, 211, 238, 0.3);
            border-radius: 32px;
            padding: 60px 56px;
            text-align: center;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: 0 20px 80px rgba(0, 0, 0, 0.4), 0 0 40px rgba(34, 211, 238, 0.08);
        }

        .gp-cta-panel h2 {
            font-size: clamp(1.75rem, 3vw, 2.4rem);
            color: #fff;
            font-weight: 700;
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .gp-cta-panel p {
            font-size: 16px;
            color: var(--gp-text-sub);
            max-width: 560px;
            margin: 0 auto 30px;
            line-height: 1.8;
        }

        .gp-cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .gp-footer {
            background: #060D1A;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 56px 0 28px;
        }

        .gp-footer-col {
            margin-bottom: 32px;
        }

        .gp-footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .gp-footer-brand .gp-logo-mark {
            width: 38px;
            height: 38px;
            font-size: 18px;
            border-radius: 12px;
        }

        .gp-footer-brand .gp-logo-text {
            font-size: 17px;
        }

        .gp-footer-desc {
            font-size: 14px;
            color: var(--gp-text-sub);
            line-height: 1.7;
            max-width: 300px;
            margin-bottom: 0;
        }

        .gp-footer h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .gp-footer-col a {
            display: block;
            font-size: 14px;
            color: var(--gp-text-sub);
            margin-bottom: 10px;
            transition: color 0.25s ease;
        }

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

        .gp-footer-col p {
            font-size: 14px;
            color: var(--gp-text-sub);
            line-height: 1.8;
            margin-bottom: 6px;
        }

        .gp-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 22px;
            margin-top: 10px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--gp-text-dim);
        }

        .gp-footer-bottom a {
            color: var(--gp-text-dim);
        }

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

        /* ===== Modal ===== */
        .reveal.gp-modal {
            background: linear-gradient(145deg, rgba(13, 28, 52, 0.98), rgba(8, 17, 32, 0.98));
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 24px;
            padding: 36px;
            box-shadow: 0 20px 80px rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(30px);
            -webkit-backdrop-filter: blur(30px);
            max-width: 520px;
            color: var(--gp-text);
        }

        .reveal.gp-modal h3 {
            font-size: 24px;
            color: #fff;
            margin-bottom: 8px;
        }

        .reveal.gp-modal > p {
            font-size: 15px;
            color: var(--gp-text-sub);
            margin-bottom: 24px;
        }

        .gp-modal input[type="text"],
        .gp-modal textarea,
        .gp-modal select {
            background: rgba(0, 0, 0, 0.25);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 12px;
            color: #fff;
            font-size: 15px;
            padding: 12px 16px;
            width: 100%;
            margin-bottom: 14px;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
            appearance: none;
            -webkit-appearance: none;
            font-family: inherit;
        }

        .gp-modal input::placeholder,
        .gp-modal textarea::placeholder {
            color: var(--gp-text-dim);
        }

        .gp-modal input:focus,
        .gp-modal textarea:focus,
        .gp-modal select:focus {
            border-color: var(--gp-accent);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.2);
            outline: none;
            background: rgba(0, 0, 0, 0.35);
        }

        .gp-modal select option {
            background: #0d1c34;
            color: #fff;
        }

        .gp-modal textarea {
            min-height: 90px;
            resize: vertical;
        }

        .gp-checkbox {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 13px;
            color: var(--gp-text-sub);
            margin-bottom: 18px;
            cursor: pointer;
        }

        .gp-checkbox input[type="checkbox"] {
            appearance: none;
            -webkit-appearance: none;
            min-width: 18px;
            height: 18px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 5px;
            background: rgba(0, 0, 0, 0.2);
            margin-top: 2px;
            transition: all 0.2s ease;
            position: relative;
        }

        .gp-checkbox input[type="checkbox"]:checked {
            background: var(--gp-primary);
            border-color: var(--gp-primary);
        }

        .gp-checkbox input[type="checkbox"]:checked::after {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: #fff;
            font-size: 11px;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        .gp-checkbox a {
            color: var(--gp-accent);
            text-decoration: underline;
            text-underline-offset: 2px;
        }

        .gp-form-success {
            display: none;
            align-items: center;
            gap: 10px;
            background: rgba(34, 211, 238, 0.1);
            border: 1px solid rgba(34, 211, 238, 0.3);
            border-radius: 12px;
            padding: 14px 18px;
            color: #a5f3fc;
            font-size: 14px;
            margin-top: 14px;
        }

        .gp-form-success.show {
            display: flex;
        }

        .gp-modal .close-button {
            color: var(--gp-text-sub);
            font-size: 28px;
            line-height: 1;
            top: 12px;
            right: 16px;
        }

        .gp-modal .close-button:hover {
            color: #fff;
        }

        .reveal-overlay {
            background: rgba(4, 8, 18, 0.75);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }

        /* ===== Background grid pattern ===== */
        .gp-grid-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 44px 44px;
            pointer-events: none;
        }

        /* ===== Responsive ===== */
        @media screen and (max-width: 1023px) {
            .gp-section {
                padding: 72px 0;
            }

            .gp-nav {
                flex-wrap: wrap;
                gap: 16px;
                padding: 16px 18px;
            }

            .gp-nav-links {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                padding-top: 6px;
            }

            .gp-category-hero {
                padding: 80px 0 64px;
            }

            .gp-stats-panel {
                padding: 40px 28px;
            }
        }

        @media screen and (max-width: 767px) {
            .gp-header {
                padding: 12px 0 6px;
            }

            .gp-nav {
                padding: 14px 14px;
                border-radius: 18px;
            }

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

            .gp-logo-mark {
                width: 36px;
                height: 36px;
                font-size: 17px;
                border-radius: 12px;
            }

            .gp-nav-cta .gp-btn {
                padding: 10px 16px;
                font-size: 14px;
            }

            .gp-section {
                padding: 56px 0;
            }

            .gp-category-hero {
                padding: 64px 0 48px;
            }

            .gp-category-hero h1 {
                font-size: 30px;
            }

            .gp-category-hero .gp-hero-sub {
                font-size: 15px;
            }

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

            .gp-hero-actions .gp-btn {
                justify-content: center;
            }

            .gp-card {
                padding: 22px;
                margin-bottom: 16px;
            }

            .gp-cap-section .gp-card-large {
                padding: 26px;
            }

            .gp-scenario-block {
                padding: 40px 0;
            }

            .gp-scenario-content h3 {
                font-size: 20px;
            }

            .gp-stats-panel {
                padding: 32px 18px;
                border-radius: 20px;
            }

            .gp-stat-item {
                padding: 16px 8px;
            }

            .gp-cta-panel {
                padding: 40px 24px;
                border-radius: 22px;
            }

            .gp-footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }

            .gp-section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
        }

        @media screen and (max-width: 520px) {
            .gp-nav-links .gp-nav-card {
                padding: 8px 12px;
                font-size: 13px;
                font-weight: 500;
            }

            .gp-nav-links .gp-nav-card i {
                display: none;
            }

            .gp-nav-cta .gp-btn {
                padding: 10px 14px;
                font-size: 13px;
            }

            .gp-btn {
                min-height: 48px;
            }

            .gp-resource-item {
                flex-wrap: wrap;
            }

            .gp-resource-arrow {
                display: none;
            }

            .gp-breadcrumb {
                font-size: 13px;
            }
        }