/* roulang page: index */
/* ============ 设计变量 ============ */
        :root {
            --primary: #6C3BF4;
            --primary-dark: #5429C9;
            --primary-soft: rgba(108, 59, 244, 0.1);
            --success: #12B981;
            --amber: #FFB02E;
            --ink: #221F33;
            --ink-2: #5C577A;
            --ink-3: #9290A8;
            --bg: #F6F6FA;
            --bg-deep: #12102A;
            --bg-deep-2: #1B1838;
            --card: #FFFFFF;
            --line: #E3E0EF;
            --line-deep: rgba(255, 255, 255, 0.14);
            --grad: linear-gradient(135deg, #6C3BF4, #4A21D8);
            --shadow-sm: 0 4px 20px rgba(18, 16, 42, 0.06);
            --shadow-md: 0 16px 32px rgba(18, 16, 42, 0.12);
            --shadow-primary: 0 12px 28px rgba(108, 59, 244, 0.28);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --max-w: 1200px;
            --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --transition: all 0.25s ease;
        }

        /* ============ Reset / Base ============ */
        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--ink);
            font-size: 16px;
            line-height: 1.85;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
            object-fit: cover;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        :focus-visible {
            outline: 3px solid rgba(108, 59, 244, 0.35);
            outline-offset: 2px;
        }
        .container {
            max-width: var(--max-w);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        h1,
        h2,
        h3,
        h4 {
            line-height: 1.25;
            font-weight: 700;
            letter-spacing: -0.02em;
        }
        h1 {
            font-size: clamp(32px, 5vw, 52px);
            font-weight: 800;
        }
        h2 {
            font-size: clamp(26px, 3.2vw, 38px);
            font-weight: 700;
        }
        h3 {
            font-size: clamp(18px, 2vw, 24px);
            font-weight: 600;
        }
        body {
            font-size: 16px;
            line-height: 1.85;
        }
        .muted {
            color: var(--ink-2);
        }
        .subnote {
            font-size: 14px;
            color: var(--ink-3);
        }

        /* ============ Buttons ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.01em;
            transition: var(--transition);
            border: 2px solid transparent;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--grad);
            color: #fff;
            box-shadow: var(--shadow-primary);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #7a4cff, #5a2edb);
            transform: translateY(-2px);
            box-shadow: 0 16px 32px rgba(108, 59, 244, 0.38);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 8px 16px rgba(108, 59, 244, 0.22);
        }
        .btn-secondary {
            background: #FFFFFF;
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-secondary:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(108, 59, 244, 0.18);
        }
        .btn-ghost {
            background: transparent;
            border-color: transparent;
            color: var(--ink);
            font-weight: 500;
        }
        .btn-ghost:hover {
            background: var(--primary-soft);
            color: var(--primary-dark);
        }
        .btn-light {
            background: #fff;
            color: var(--primary-dark);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }
        .btn-light:hover {
            background: #f2f2f7;
            transform: translateY(-2px);
        }
        .btn img,
        .btn svg {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
        }
        .btn svg {
            fill: currentColor;
        }
        .btn-block {
            display: flex;
            width: 100%;
        }

        /* ============ 徽章 ============ */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            line-height: 1.8;
            white-space: nowrap;
        }
        .badge-green {
            background: rgba(18, 185, 129, 0.15);
            color: #0D9B6A;
        }
        .badge-purple {
            background: rgba(108, 59, 244, 0.12);
            color: var(--primary-dark);
        }
        .badge-amber {
            background: rgba(255, 176, 46, 0.18);
            color: #B8741A;
        }
        .badge-outline {
            border: 1px solid var(--line);
            background: #fff;
            color: var(--ink-2);
        }

        /* ============ 顶部条 ============ */
        .topbar {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
            line-height: 1.6;
            padding: 6px 0;
            display: block;
        }
        .topbar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .topbar .badge {
            margin-right: 6px;
            padding: 0 8px;
            font-size: 11px;
            background: rgba(18, 185, 129, 0.25);
            color: #12B981;
        }
        .topbar-right {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .topbar-right a {
            color: rgba(255, 255, 255, 0.75);
            transition: var(--transition);
        }
        .topbar-right a:hover {
            color: #fff;
        }

        /* ============ 搜索主导导航 ============ */
        .site-header {
            background: rgba(22, 19, 53, 0.95);
            -webkit-backdrop-filter: blur(16px);
            backdrop-filter: blur(16px);
            position: sticky;
            top: 0;
            z-index: 200;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .navbar {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            padding: 12px 0;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-mark {
            width: 42px;
            height: 42px;
            background: var(--grad);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            position: relative;
            flex-shrink: 0;
            box-shadow: 0 0 0 4px rgba(108, 59, 244, 0.2);
        }
        .brand-mark::after {
            content: "";
            width: 12px;
            height: 12px;
            border: 2px solid #fff;
            background: var(--success);
            border-radius: 50%;
            position: absolute;
            bottom: -3px;
            right: -3px;
        }
        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .brand-text strong {
            display: block;
            font-size: 19px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
        }
        .brand-text span {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 0.05em;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: 6px;
        }
        .nav-menu a {
            display: block;
            padding: 8px 16px;
            border-radius: 8px;
            color: rgba(255, 255, 255, 0.84);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
        }
        .nav-menu a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-menu a.active {
            color: #fff;
            background: var(--grad);
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(108, 59, 244, 0.36);
        }
        .nav-search {
            display: flex;
            align-items: center;
            flex: 1;
            max-width: 420px;
            margin-left: auto;
            margin-right: auto;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 30px;
            padding: 4px 8px 4px 16px;
            transition: var(--transition);
        }
        .nav-search:focus-within {
            border-color: rgba(255, 255, 255, 0.4);
            background: rgba(255, 255, 255, 0.18);
            box-shadow: 0 0 0 4px rgba(108, 59, 244, 0.2);
        }
        .nav-search svg {
            width: 20px;
            height: 20px;
            fill: rgba(255, 255, 255, 0.6);
            flex-shrink: 0;
        }
        .nav-search input {
            flex: 1;
            background: transparent !important;
            border: none !important;
            padding: 8px 12px;
            color: #fff;
            font-size: 14px;
            width: 100%;
        }
        .nav-search input::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }
        .nav-search .quick-btn {
            background: var(--grad);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            border-radius: 40px;
            padding: 6px 18px;
            transition: var(--transition);
            flex-shrink: 0;
            border: 1px solid transparent;
        }
        .nav-search .quick-btn:hover {
            background: #fff;
            color: var(--primary-dark);
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .nav-right .icon-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.06);
            transition: var(--transition);
            color: #fff;
            position: relative;
        }
        .nav-right .icon-btn:hover {
            background: rgba(255, 255, 255, 0.18);
        }
        .nav-right .icon-btn svg {
            width: 20px;
            height: 20px;
            fill: currentColor;
        }
        .nav-right .bell-num {
            position: absolute;
            top: 4px;
            right: 6px;
            width: 16px;
            height: 16px;
            background: #FF3B5C;
            border: 2px solid var(--bg-deep);
            border-radius: 50%;
            font-size: 9px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            line-height: 1;
        }
        .btn-login {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.14);
            color: #fff;
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
        }
        .btn-login:hover {
            background: rgba(255, 255, 255, 0.2);
        }
        .burger {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            background: rgba(255, 255, 255, 0.08);
        }
        .burger span {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
        }
        .mobile-search {
            display: none;
            padding: 0 0 14px;
        }

        /* ============ Hero ============ */
        .hero {
            position: relative;
            background: var(--bg-deep);
            color: #fff;
            padding: clamp(48px, 8vw, 96px) 0;
            overflow: hidden;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.3;
        }
        .hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse 500px 350px at 20% 20%, rgba(108, 59, 244, 0.2), transparent 60%),
                        radial-gradient(ellipse 400px 300px at 80% 80%, rgba(18, 185, 129, 0.08), transparent 70%);
            pointer-events: none;
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 6fr 5fr;
            gap: 56px;
            align-items: center;
            position: relative;
            z-index: 3;
        }
        .hero-copy .tagline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid rgba(255, 255, 255, 0.16);
            background: rgba(255, 255, 255, 0.06);
            padding: 4px 16px 4px 8px;
            border-radius: 30px;
            font-size: 13px;
            margin-bottom: 24px;
            color: rgba(255, 255, 255, 0.83);
        }
        .hero-copy h1 {
            font-size: clamp(32px, 5vw, 52px);
            line-height: 1.15;
            margin: 10px 0 18px;
            font-weight: 800;
        }
        .hero-copy h1 span {
            background: linear-gradient(135deg, #BAA0FF, #7EDDBA);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-copy .lead {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.72);
            max-width: 520px;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .hero-assurances {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }
        .hero-assurances li {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-panel {
            background: rgba(18, 16, 42, 0.65);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 24px;
            padding: 24px;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
            position: relative;
        }
        .hero-card-head {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 16px;
            font-size: 14px;
        }
        .hero-card-title {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            color: #fff;
            font-size: 17px;
        }
        .hero-card-title .dot {
            width: 8px;
            height: 8px;
            background: var(--success);
            border-radius: 50%;
            box-shadow: 0 0 0 4px rgba(18, 185, 129, 0.2);
        }
        .hero-verify-row {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 30px;
            padding: 2px 12px;
        }
        .hero-verify-row svg {
            width: 16px;
            height: 16px;
            fill: var(--success);
        }
        .hero-orbit-grid {
            background: rgba(0, 0, 0, 0.18);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            padding: 16px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 16px;
        }
        .orbit-grid-item {
            display: flex;
            gap: 10px;
            padding: 10px 12px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.04);
            transition: var(--transition);
            align-items: center;
        }
        .orbit-grid-item:hover {
            background: rgba(255, 255, 255, 0.09);
        }
        .orbit-grid-icon {
            width: 34px;
            height: 34px;
            background: rgba(108, 59, 244, 0.28);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .orbit-item-info {
            flex: 1;
            line-height: 1.3;
        }
        .orbit-item-info strong {
            display: block;
            color: rgba(255, 255, 255, 0.93);
            font-size: 14px;
        }
        .orbit-item-info span {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
        }
        .orbit-grid-action {
            font-size: 13px;
            color: var(--primary);
            color: #A98FFF;
            font-weight: 600;
            flex-wrap: nowrap;
            white-space: nowrap;
        }
        .hero-score-row {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .hs-score {
            font-size: 13px;
            padding: 6px 12px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 10px;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .hs-tag {
            font-size: 12px;
            color: var(--amber);
        }

        /* ============ Section ============ */
        .section {
            padding: clamp(64px, 10vw, 110px) 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
            max-width: 720px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-header .subline {
            display: inline-block;
            font-size: 13px;
            letter-spacing: 0.05em;
            font-weight: 600;
            color: var(--primary);
            background: rgba(108, 59, 244, 0.08);
            padding: 2px 12px;
            border-radius: 6px;
            margin-bottom: 12px;
        }
        .section-header p {
            color: var(--ink-2);
            margin-top: 12px;
            font-size: 15px;
        }

        /* ============ App value ============ */
        .value-section {
            background: var(--bg);
        }
        .value-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .value-copy h2 {
            margin-bottom: 18px;
        }
        .value-copy .section-desc {
            margin-bottom: 24px;
            color: var(--ink-2);
            max-width: 460px;
        }
        .value-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .value-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            background: var(--card);
            padding: 16px 20px;
            border-radius: var(--radius-md);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .value-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(6px);
        }
        .value-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            flex-shrink: 0;
        }
        .value-icon.green {
            background: rgba(18, 185, 129, 0.13);
        }
        .value-icon.amber {
            background: rgba(255, 176, 46, 0.15);
        }
        .value-text strong {
            display: block;
            margin-bottom: 4px;
            font-size: 16px;
        }
        .value-text p {
            font-size: 14px;
            color: var(--ink-2);
            line-height: 1.7;
        }
        .value-visual {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .value-visual-main {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-deep);
            min-height: 260px;
            position: relative;
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: flex-end;
        }
        .value-visual-main img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
            opacity: 0.63;
        }
        .value-visual-caption {
            position: relative;
            width: 100%;
            padding: 22px;
            background: linear-gradient(transparent, rgba(18, 16, 42, 0.8));
            color: #fff;
        }
        .value-visual-caption strong {
            font-size: 18px;
            display: block;
        }
        .value-visual-caption span {
            font-size: 13px;
            opacity: 0.78;
        }
        .value-visual-grid {
            display: grid;
            grid-template-columns: 3fr 2fr;
            gap: 16px;
        }
        .value-visual-card {
            background: var(--bg-deep-2);
            border: 1px solid var(--line-deep);
            border-radius: var(--radius-md);
            padding: 20px;
            color: #fff;
            display: flex;
            flex-direction: column;
            min-height: 130px;
            position: relative;
            overflow: hidden;
        }
        .value-visual-card:first-child {
            background: linear-gradient(135deg, rgba(108, 59, 244, 0.85), #2e1c6b);
        }
        .value-visual-card h3 {
            font-size: 18px;
            margin-bottom: 6px;
        }
        .value-visual-card p {
            font-size: 13px;
            opacity: 0.82;
        }
        .value-visual-card .num {
            font-size: 34px;
            font-weight: 800;
            margin-top: auto;
            font-family: "Bahnschrift", "DIN Alternate", sans-serif;
        }

        /* ============ 游戏截图轮播 ============ */
        .screenshot-section {
            background: var(--bg-deep);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .screenshot-section::before {
            content: "";
            position: absolute;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(108, 59, 244, 0.25), transparent 70%);
            top: 50%;
            left: -160px;
            transform: translateY(-50%);
        }
        .screenshot-slider {
            position: relative;
        }
        .screenshot-header h2 {
            color: #fff;
            text-align: center;
        }
        .screenshot-header {
            margin-bottom: 30px;
        }
        .slider-wrap {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding: 20px 8px 32px;
            scrollbar-width: none;
            -ms-overflow-style: none;
            scroll-snap-type: x mandatory;
            perspective: 1000px;
        }
        .slider-wrap::-webkit-scrollbar {
            display: none;
        }
        .slider-item {
            min-width: 280px;
            max-width: 320px;
            scroll-snap-align: center;
            transition: transform 0.45s cubic-bezier(0.2, 0.8, 0.3, 1);
            transform: scale(0.92);
            position: relative;
        }
        .slider-item.active,
        .slider-item:hover {
            transform: scale(1);
        }
        .slider-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .slider-img {
            aspect-ratio: 16/10;
            background: var(--bg-deep-2);
            overflow: hidden;
            position: relative;
        }
        .slider-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .slider-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 8, 28, 0.75), transparent 52%);
        }
        .slider-title {
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 12px;
            z-index: 2;
            color: #fff;
        }
        .slider-title strong {
            font-size: 17px;
            display: block;
        }
        .slider-title span {
            font-size: 13px;
            display: block;
            opacity: 0.85;
        }
        .slider-caption {
            padding: 16px 18px;
            background: rgba(255, 255, 255, 0.02);
            color: rgba(255, 255, 255, 0.85);
        }
        .slider-caption strong {
            font-size: 14px;
        }
        .slider-caption span {
            font-size: 12px;
            opacity: 0.65;
            display: block;
        }
        .slider-nav {
            display: flex;
            gap: 12px;
            margin-top: 8px;
        }
        .slider-dots {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 4px;
        }
        .slider-dots button {
            width: 8px;
            height: 8px;
            border-radius: 99px;
            background: rgba(255, 255, 255, 0.2);
            transition: all 0.3s;
        }
        .slider-dots button.active {
            background: var(--primary);
            width: 26px;
        }

        /* ============ System Require ============ */
        .requirement-section {
            background: var(--bg);
        }
        .system-requirements {
            display: grid;
            grid-template-columns: 3fr 2fr;
            gap: 40px;
        }
        .req-panel {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }
        .req-check-list {
            display: flex;
            flex-direction: column;
        }
        .req-check-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--line);
        }
        .req-check-item:last-child {
            border-bottom: 0;
        }
        .req-check-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(18, 185, 129, 0.1);
            display: flex;
            justify-content: center;
            align-items: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .req-check-info strong {
            display: block;
            font-size: 15px;
        }
        .req-check-info p {
            font-size: 13px;
            color: var(--ink-2);
            line-height: 1.5;
        }
        .req-check-state {
            margin-left: auto;
            font-size: 13px;
            font-weight: 600;
            color: var(--success);
        }
        .self-check-card {
            background: linear-gradient(145deg, var(--bg-deep), #2a2161);
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 30px;
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }
        .self-check-card::before {
            content: "";
            position: absolute;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(108, 59, 244, 0.25), transparent);
            bottom: -90px;
            right: -70px;
        }
        .self-check-card h3 {
            margin-bottom: 12px;
        }
        .self-check-card p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            margin-bottom: 24px;
            line-height: 1.8;
        }
        .self-check-steps {
            width: 100%;
        }
        .self-check-step {
            display: flex;
            gap: 12px;
            margin-bottom: 10px;
            font-size: 14px;
            align-items: flex-start;
            color: rgba(255, 255, 255, 0.8);
        }
        .step-num {
            background: rgba(255, 255, 255, 0.13);
            width: 22px;
            height: 22px;
            font-size: 12px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            margin-top: 4px;
        }

        /* ============ Review Wall ============ */
        .review-section {
            background: var(--bg);
        }
        .review-header {
            display: flex;
            justify-content: center;
            gap: 32px;
            align-items: center;
            margin-bottom: 44px;
            flex-wrap: wrap;
        }
        .score-card {
            background: var(--card);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            border-radius: var(--radius-lg);
            padding: 20px 30px;
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .score-main {
            font-size: 46px;
            font-weight: 800;
            line-height: 1;
            font-family: "Bahnschrift", "DIN Alternate", sans-serif;
            color: var(--ink);
        }
        .score-meta strong {
            font-size: 16px;
        }
        .score-meta span {
            font-size: 13px;
            color: var(--ink-2);
        }
        .review-wall {
            columns: 3;
            column-gap: 20px;
        }
        .review-item {
            break-inside: avoid;
            margin-bottom: 20px;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: inline-block;
            width: 100%;
        }
        .review-item:hover {
            box-shadow: var(--shadow-md);
        }
        .review-stars {
            color: var(--amber);
            font-size: 16px;
            margin-bottom: 8px;
        }
        .review-text {
            font-size: 14px;
            color: var(--ink);
            line-height: 1.75;
            margin-bottom: 12px;
        }
        .review-user {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .review-avatar {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
        }
        .review-user strong {
            font-size: 13px;
            display: block;
            line-height: 1.3;
        }
        .review-user span {
            font-size: 11px;
            color: var(--ink-3);
        }
        .review-help {
            margin-left: auto;
            font-size: 12px;
            color: var(--ink-3);
        }

        /* ============ Download CTA ============ */
        .download-section {
            background: var(--bg-deep);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .download-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: 50% 30%;
            opacity: 0.18;
        }
        .download-card {
            position: relative;
            text-align: center;
            padding: 32px 0 0;
            max-width: 920px;
            margin: 0 auto;
        }
        .download-card h2 {
            color: #fff;
            font-size: clamp(28px, 4vw, 42px);
        }
        .download-card .download-desc {
            color: rgba(255, 255, 255, 0.78);
            max-width: 560px;
            margin: 24px auto 32px;
            font-size: 15px;
            line-height: 1.8;
        }
        .download-btn-group {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 26px;
        }
        .btn-download {
            display: inline-flex;
            align-items: center;
            gap: 14px;
            background: var(--grad);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 18px 36px;
            border-radius: 16px;
            box-shadow: 0 12px 40px rgba(108, 59, 244, 0.5);
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            transition: var(--transition);
            min-width: 220px;
            justify-content: center;
        }
        .btn-download:hover {
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 16px 56px rgba(108, 59, 244, 0.7);
        }
        .btn-download .icon-holder {
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .btn-download .icon-holder svg {
            fill: #fff;
            width: 22px;
            height: 22px;
        }
        .btn-download-text strong {
            display: block;
            font-size: 15px;
        }
        .btn-download-text small {
            font-size: 11px;
            opacity: 0.82;
        }
        .btn-website {
            display: inline-flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            border-radius: 16px;
            padding: 18px 34px;
            font-weight: 600;
        }
        .btn-website:hover {
            background: rgba(255, 255, 255, 0.2);
        }
        .secure-badges {
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 8px;
            font-size: 14px;
        }
        .secure-badge {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
        }
        .secure-badge svg {
            width: 16px;
            height: 16px;
            fill: var(--success);
        }

        /* ============ CMS Latest ============ */
        .latest-section {
            background: var(--bg);
        }
        .latest-layout {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
        }
        .latest-featured {
            grid-column: span 7;
        }
        .latest-sidebar {
            grid-column: span 5;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .featured-card {
            background: var(--card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .featured-card:hover {
            box-shadow: var(--shadow-md);
            border-color: #d5d0e8;
        }
        .featured-card .featured-img {
            aspect-ratio: 16 / 9;
            background: #E8E8F1;
            position: relative;
            display: block;
        }
        .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .featured-img .badge {
            position: absolute;
            top: 16px;
            left: 16px;
        }
        .featured-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .featured-body .title-link {
            font-size: 22px;
            font-weight: 700;
            line-height: 1.45;
            display: inline;
            background: linear-gradient(var(--primary), var(--primary));
            background-size: 0 1px;
            background-repeat: no-repeat;
            background-position: left 100%;
            transition: all 0.2s;
            -webkit-box-decoration-break: clone;
            box-decoration-break: clone;
        }
        .featured-body .title-link:hover {
            background-size: 100% 2px;
        }
        .featured-summary {
            color: var(--ink-2);
            font-size: 14px;
            margin-top: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .featured-meta {
            display: flex;
            gap: 14px;
            margin-top: auto;
            padding-top: 16px;
            align-items: center;
            flex-wrap: wrap;
        }
        .featured-meta span {
            font-size: 13px;
            color: var(--ink-2);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .list-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: 16px;
            padding: 18px 20px;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            position: relative;
        }
        .list-item:hover {
            border-color: #b9aeec;
            box-shadow: 0 8px 16px rgba(18, 16, 42, 0.08);
            transform: translateY(-2px);
        }
        .list-info {
            flex: 1;
            min-width: 0;
            padding-right: 8px;
        }
        .list-info h4 {
            color: var(--ink);
            font-size: 16px;
            font-weight: 600;
            line-height: 1.45;
            margin-bottom: 4px;
            white-space: nowrap;
            text-overflow: ellipsis;
            overflow: hidden;
        }
        .list-info p {
            color: var(--ink-3);
            font-size: 13px;
            white-space: nowrap;
            text-overflow: ellipsis;
            overflow: hidden;
        }
        .list-date {
            font-size: 12px;
            color: var(--ink-3);
            white-space: nowrap;
            flex-shrink: 0;
            margin-left: auto;
        }
        .empty-latest {
            background: var(--card);
            border: 1px dashed var(--line);
            border-radius: var(--radius-lg);
            padding: 30px 20px;
            text-align: center;
        }
        .empty-icon {
            font-size: 40px;
            margin-bottom: 12px;
        }
        .empty-text {
            color: var(--ink-2);
            font-size: 14px;
            text-align: center;
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: #fff;
        }
        .faq-layout {
            max-width: 900px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--line);
            padding: 0;
        }
        .faq-item:first-child {
            border-top: 1px solid var(--line);
        }
        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 24px 6px;
            width: 100%;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            transition: var(--transition);
        }
        .faq-q:hover {
            color: var(--primary-dark);
        }
        .faq-q::before {
            content: "";
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
            flex-shrink: 0;
            margin-right: 6px;
        }
        .faq-q-content {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .faq-q-content span {
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            flex: 1;
        }
        .faq-q-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .faq-answer {
            padding: 0 24px 22px 38px;
            color: var(--ink-2);
            font-size: 14px;
            line-height: 1.85;
        }
        .faq-answer p {
            max-width: 800px;
        }

        /* ============ CTA Banner ============ */
        .cta-banner {
            background: var(--bg-deep);
            position: relative;
            color: #fff;
            text-align: center;
            padding: 80px 0;
        }
        .cta-banner::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 6px;
            background: var(--grad);
        }
        .cta-content h2 {
            font-size: clamp(26px, 4vw, 40px);
            margin-bottom: 16px;
        }
        .cta-content p {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 28px;
            font-size: 16px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: #0d0c1f;
            color: #a5a2bc;
        }
        .footer-main {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 48px;
            padding: 64px 0 48px;
        }
        .footer-brand h4 {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .logo-badge {
            width: 32px;
            height: 32px;
            background: var(--grad);
            border-radius: 9px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            flex-shrink: 0;
        }
        .footer-brand p {
            color: #8581a3;
            font-size: 13px;
            margin-bottom: 18px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .social-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            transition: all 0.2s;
            color: #fff;
        }
        .social-btn:hover {
            background: var(--primary);
            color: #fff;
        }
        .footer-title {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #b8b3d3;
            font-size: 14px;
            transition: all 0.2s;
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .footer-contact {
            text-align: left;
        }
        .footer-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            font-size: 13px;
            color: #8581a3;
        }

        /* ============ Card links ============ */
        .play-card-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }
        .play-card {
            flex: 1 1 0;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 16px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .play-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: #b6aaec;
        }
        .play-card span {
            font-size: 14px;
            color: var(--ink-2);
            line-height: 1.6;
        }

        /* ============ CMS cards ============ */
        .article-card-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        /* ============ General utilities ============ */
        .text-center {
            text-align: center;
        }
        .section-title-prefix {
            font-size: 12px;
            color: var(--primary);
            font-weight: 600;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            display: inline-block;
        }
        .mt-1 {
            margin-top: 10px;
        }
        .mb-1 {
            margin-bottom: 10px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ============ Responsive ============ */
        @media (max-width: 1200px) {
            .hero-inner {
                grid-template-columns: 6fr 6fr;
                gap: 32px;
            }
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .value-layout {
                gap: 32px;
            }
            .value-visual-main {
                min-height: 200px;
            }
        }
        @media (max-width: 992px) {
            .navbar {
                flex-wrap: wrap;
                gap: 8px;
            }
            .nav-menu {
                order: 3;
                width: 100%;
                overflow-x: auto;
                margin-left: 0;
                padding: 4px 0;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
            }
            .nav-menu::-webkit-scrollbar {
                display: none;
            }
            .nav-menu a {
                white-space: nowrap;
                font-size: 14px;
            }
            .nav-search {
                order: 2;
                max-width: 100%;
                margin: 4px 0;
            }
            .nav-right {
                margin-left: auto;
            }
            .hero-inner {
                grid-template-columns: 1fr;
            }
            .hero-panel {
                max-width: 560px;
            }
            .value-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .value-visual {
                order: -1;
            }
            .system-requirements {
                grid-template-columns: 1fr;
            }
            .latest-layout {
                grid-template-columns: 1fr;
            }
            .latest-featured,
            .latest-sidebar {
                grid-column: span 1;
            }
            .review-wall {
                columns: 2;
            }
            .slider-wrap {
                gap: 16px;
            }
            .slider-item {
                min-width: 260px;
            }
        }
        @media (max-width: 768px) {
            .topbar {
                display: none;
            }
            .navbar {
                padding: 8px 0;
            }
            .nav-menu {
                display: none;
                order: 4;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 8px 0;
                overflow: visible;
                gap: 2px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 12px;
            }
            .burger {
                display: flex;
                margin-left: auto;
            }
            .nav-search {
                order: 2;
                max-width: 100%;
            }
            .nav-right {
                gap: 4px;
                margin-left: 6px;
            }
            .nav-right .btn-login {
                display: none;
            }
            .mobile-search {
                display: block;
            }
            .brand-text strong {
                font-size: 17px;
            }
            .hero {
                padding: 40px 0 56px;
            }
            .hero-inner {
                gap: 48px;
            }
            .hero-panel {
                padding: 18px;
            }
            .hero-actions .btn {
                width: calc(50% - 8px);
                padding: 12px 10px;
            }
            .section {
                padding: 48px 0;
            }
            .slider-item {
                min-width: 220px;
            }
            .slider-item .slider-img {
                aspect-ratio: 16/10;
            }
            .download-btn-group .btn-download,
            .download-btn-group .btn-website {
                width: 100%;
            }
            .review-header {
                flex-direction: column;
                align-items: center;
            }
            .score-card {
                width: 100%;
                justify-content: center;
            }
            .footer-main {
                grid-template-columns: 1fr 1fr;
                gap: 40px 24px;
            }
            .section-header {
                margin-bottom: 28px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .btn {
                padding: 12px 18px;
            }
            .hero-actions .btn {
                width: 100%;
                margin-bottom: 0;
            }
            .hero-copy h1 {
                font-size: 29px;
            }
            .review-wall {
                columns: 1;
            }
            .system-requirements .req-panel {
                padding: 18px;
            }
            .value-item {
                padding: 14px 14px;
                flex-direction: column;
                gap: 10px;
            }
            .value-visual-main {
                min-height: 170px;
            }
            .value-visual-grid {
                grid-template-columns: 1fr;
            }
            .list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .list-date {
                margin-left: 0;
            }
            .download-section .download-description {
                font-size: 14px;
            }
            .secure-badges {
                gap: 12px;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .header-faq-btn,
            .blog-badge {
                display: none;
            }
        }

        /* ============ In-page detail: faq-details ============ */
        .faq-details {
            max-width: 920px;
            margin: 0 auto;
        }
        .faq-details details {
            border-bottom: 1px solid var(--line);
            overflow: hidden;
            width: 100%;
            max-width: 900px;
            margin: 0 auto;
            transition: all 0.3s ease;
        }
        .faq-details details:first-of-type {
            border-top: 1px solid var(--line);
        }
        .faq-details summary {
            cursor: pointer;
            list-style: none;
            padding: 24px 16px;
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            align-items: center;
            gap: 14px;
            font-weight: 600;
            color: var(--ink);
            transition: var(--transition);
        }
        .faq-details summary::-webkit-details-marker {
            display: none;
        }
        .faq-details summary:hover {
            color: var(--primary-dark);
        }
        .faq-details summary::after {
            content: "+";
            margin-left: auto;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 20px;
            line-height: 1;
            transition: transform 0.25s ease;
        }
        .faq-details details[open] summary::after {
            content: "−";
            transform: rotate(180deg);
        }
        .faq-details details[open] {
            animation: fadeIn 0.25s ease;
            background: rgba(108, 59, 244, 0.02);
        }
        @keyframes fadeIn {
            from { opacity: 0.7; transform: translateY(-4px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .faq-details .faq-body {
            padding: 0 30px 24px 52px;
            color: var(--ink-2);
            font-size: 14px;
            line-height: 1.8;
        }
        .faq-details details[open] summary {
            color: var(--primary-dark);
        }

/* roulang page: article */
:root {
        --primary: #6C3BF4;
        --primary-dark: #5429C9;
        --success: #12B981;
        --accent: #FFB02E;
        --text: #221F33;
        --muted: #5C577A;
        --subtle: #9290A8;
        --bg: #F6F6FA;
        --surface: #ffffff;
        --border: #E3E0EF;
        --dark: #12102A;
        --gradient: linear-gradient(135deg, #6C3BF4, #4A21D8);
        --radius-xl: 20px;
        --radius-lg: 16px;
        --radius-md: 12px;
        --radius-sm: 8px;
        --shadow-sm: 0 4px 20px rgba(18, 16, 42, 0.06);
        --shadow-lg: 0 16px 32px rgba(18, 16, 42, 0.12);
        --space-section: clamp(52px, 8vw, 88px);
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
        font-size: 16px;
        line-height: 1.85;
        color: var(--text);
        background: var(--bg);
        -webkit-font-smoothing: antialiased;
    }

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

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

    button, input, textarea {
        font: inherit;
        border: none;
        background: none;
    }

    ul, ol {
        list-style: none;
    }

    a:focus-visible, button:focus-visible, input:focus-visible {
        outline: 3px solid rgba(108, 59, 244, 0.35);
        outline-offset: 2px;
    }

    .container {
        width: min(1200px, 100% - 48px);
        margin-inline: auto;
    }

    .site-header {
        background: var(--surface);
        box-shadow: 0 4px 24px rgba(18, 16, 42, 0.05);
        position: relative;
        z-index: 60;
    }

    .topbar {
        background: var(--dark);
        color: #c9c4e6;
        font-size: 13px;
        line-height: 1.6;
    }

    .topbar-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 36px;
        gap: 16px;
    }

    .topbar-left {
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .topbar-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        color: #fff;
        font-size: 12px;
        background: rgba(18, 185, 129, 0.16);
        border-radius: 999px;
        padding: 2px 10px;
    }

    .topbar-badge svg {
        width: 14px;
        height: 14px;
        fill: currentColor;
    }

    .topbar-links {
        display: flex;
        gap: 18px;
        color: #a8a3c7;
    }

    .topbar-links a {
        transition: color 0.2s;
    }

    .topbar-links a:hover {
        color: #fff;
    }

    .header-main {
        padding: 16px 0 14px;
    }

    .header-grid {
        display: flex;
        align-items: center;
        gap: 26px;
        flex-wrap: wrap;
    }

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

    .logo-badge {
        width: 42px;
        height: 42px;
        flex: 0 0 42px;
        background: var(--gradient);
        color: #fff;
        border-radius: 12px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
        font-weight: 800;
        box-shadow: 0 8px 18px rgba(83, 37, 208, 0.32);
        position: relative;
    }

    .logo-badge::after {
        content: "";
        position: absolute;
        right: -3px;
        bottom: -3px;
        width: 12px;
        height: 12px;
        background: var(--success);
        border: 2px solid #fff;
        border-radius: 50%;
    }

    .brand-text {
        line-height: 1.2;
    }

    .brand-name {
        font-size: 20px;
        font-weight: 800;
        color: var(--text);
        letter-spacing: -0.02em;
    }

    .brand-name small {
        font-size: 11px;
        font-weight: 600;
        color: var(--success);
        background: rgba(18, 185, 129, 0.12);
        padding: 2px 8px;
        border-radius: 999px;
        margin-left: 6px;
        letter-spacing: 0;
        vertical-align: 2px;
    }

    .brand-sub {
        font-size: 11px;
        color: var(--muted);
    }

    .header-search {
        flex: 1 1 320px;
        min-width: 0;
        display: flex;
    }

    .search-form {
        width: 100%;
        position: relative;
        display: flex;
        align-items: center;
        background: #f1f0fa;
        border: 1px solid transparent;
        border-radius: 999px;
        padding: 4px 4px 4px 16px;
        transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
    }

    .search-form:focus-within {
        border-color: var(--primary);
        box-shadow: 0 0 0 4px rgba(108, 59, 244, 0.12);
        background: #fff;
    }

    .search-form svg.search-icon {
        width: 18px;
        height: 18px;
        fill: var(--subtle);
        flex: 0 0 18px;
        transition: fill 0.2s;
    }

    .search-form:focus-within svg.search-icon {
        fill: var(--primary);
    }

    .search-form input {
        flex: 1;
        min-width: 0;
        padding: 8px 12px;
        font-size: 14px;
        color: var(--text);
        background: transparent;
    }

    .search-form input::placeholder {
        color: var(--subtle);
    }

    .search-form input::-webkit-input-placeholder {
        color: var(--subtle);
    }

    .search-form button {
        background: var(--gradient);
        color: #fff;
        font-size: 14px;
        font-weight: 600;
        padding: 7px 18px;
        border-radius: 999px;
        cursor: pointer;
        flex-shrink: 0;
        transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
    }

    .search-form button:hover {
        box-shadow: 0 8px 20px rgba(108, 59, 244, 0.26);
        transform: translateY(-1px);
    }

    .search-form button:active {
        opacity: 0.9;
        transform: translateY(0);
    }

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

    .header-actions .btn-login {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 14px;
        font-weight: 600;
        color: var(--text);
        background: #f1f0fa;
        border: 1px solid transparent;
        border-radius: 999px;
        padding: 7px 16px;
        transition: background 0.2s, border-color 0.2s, color 0.2s;
        cursor: pointer;
    }

    .header-actions .btn-login:hover {
        border-color: var(--primary);
        color: var(--primary);
    }

    .nav-bottom {
        border-top: 1px solid var(--border);
        background: #fff;
    }

    .nav-bottom-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        min-height: 52px;
    }

    .nav-menu {
        display: flex;
        align-items: center;
        gap: 2px;
        flex-wrap: wrap;
    }

    .nav-menu a {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 15px;
        font-weight: 600;
        color: var(--muted);
        padding: 10px 16px;
        border-radius: 999px;
        position: relative;
        transition: color 0.2s, background 0.2s;
    }

    .nav-menu a:hover {
        color: var(--primary);
        background: rgba(108, 59, 244, 0.06);
    }

    .nav-menu a.active {
        color: var(--primary);
        background: rgba(108, 59, 244, 0.1);
    }

    .nav-menu a.active::after {
        content: "";
        position: absolute;
        bottom: 4px;
        left: 50%;
        transform: translateX(-50%);
        width: 18px;
        height: 3px;
        border-radius: 99px;
        background: var(--primary);
    }

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

    .btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        justify-content: center;
        font-weight: 700;
        border-radius: var(--radius-sm);
        transition: background 0.25s, color 0.25s, box-shadow 0.25s, transform 0.25s, border-color 0.25s;
        cursor: pointer;
    }

    .btn-primary {
        background: var(--gradient);
        color: #fff;
        padding: 10px 22px;
        font-size: 15px;
        box-shadow: 0 8px 20px rgba(108, 59, 244, 0.22);
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 14px 28px rgba(108, 59, 244, 0.28);
    }

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

    .btn-light {
        background: #fff;
        color: var(--primary);
        border: 1px solid var(--border);
        padding: 9px 20px;
        font-size: 14px;
        font-weight: 600;
    }

    .btn-light:hover {
        border-color: var(--primary);
        background: var(--primary);
        color: #fff;
    }

    .nav-toggle {
        display: none;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        border-radius: 10px;
        border: 1px solid var(--border);
        background: #fff;
        color: var(--text);
        cursor: pointer;
        transition: border-color 0.2s, color 0.2s;
    }

    .nav-toggle:hover {
        border-color: var(--primary);
        color: var(--primary);
    }

    .nav-toggle svg {
        width: 20px;
        height: 20px;
        fill: currentColor;
    }

    .article-hero {
        background-image: linear-gradient(100deg, rgba(18, 16, 42, 0.92), rgba(56, 27, 116, 0.72)), url('/assets/images/backpic/back-2.webp');
        background-size: cover;
        background-position: center;
        color: #fff;
        padding: 56px 0 90px;
    }

    .article-breadcrumb {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
        font-size: 14px;
        color: #c9c4e6;
        margin-bottom: 22px;
    }

    .article-breadcrumb a {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        color: #d6d2ef;
        transition: color 0.2s;
    }

    .article-breadcrumb a:hover {
        color: #fff;
    }

    .article-breadcrumb svg {
        width: 14px;
        height: 14px;
        fill: #8b86ad;
    }

    .article-breadcrumb .sep {
        color: #6f69a4;
        width: 14px;
        height: 14px;
    }

    .article-breadcrumb .current {
        color: #fff;
        font-weight: 500;
        max-width: 420px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .article-hero-inner {
        max-width: 860px;
    }

    .article-hero h1 {
        font-size: clamp(30px, 4vw, 48px);
        line-height: 1.25;
        font-weight: 800;
        letter-spacing: -0.02em;
        text-shadow: 0 4px 18px rgba(0, 0, 0, 0.18);
        margin-bottom: 18px;
    }

    .article-ribbon {
        color: var(--accent);
        background: rgba(255, 176, 46, 0.12);
        border: 1px solid rgba(255, 176, 46, 0.32);
        display: inline-flex;
        align-items: center;
        padding: 3px 12px;
        border-radius: 999px;
        font-size: 13px;
        margin-bottom: 14px;
        gap: 6px;
    }

    .article-ribbon svg {
        width: 15px;
        height: 15px;
        fill: currentColor;
    }

    .article-meta-line {
        display: flex;
        flex-wrap: wrap;
        gap: 10px 24px;
        color: #cfcbe9;
        font-size: 14px;
    }

    .article-meta-line span {
        display: inline-flex;
        align-items: center;
        gap: 7px;
    }

    .article-meta-line svg {
        width: 17px;
        height: 17px;
        fill: #a49ed0;
    }

    .article-main-wrap {
        padding: 0;
        margin-top: -62px;
        padding-bottom: var(--space-section);
        position: relative;
        z-index: 2;
    }

    .article-shell {
        background: #fff;
        border-radius: var(--radius-xl);
        box-shadow: var(--shadow-lg);
        border: 1px solid rgba(227, 224, 239, 0.6);
        max-width: 860px;
        margin-inline: auto;
        padding: clamp(24px, 5vw, 56px);
    }

    .article-body {
        max-width: 760px;
        margin-inline: auto;
    }

    .article-body p {
        font-size: 16px;
        line-height: 1.95;
        margin-bottom: 22px;
        color: #393554;
    }

    .article-body h2,
    .article-body h3 {
        line-height: 1.4;
        margin-top: 36px;
        margin-bottom: 14px;
        font-weight: 700;
        color: var(--text);
    }

    .article-body h2 {
        font-size: 30px;
        padding-bottom: 10px;
        border-bottom: 2px solid #f1f0fa;
        position: relative;
        letter-spacing: -0.01em;
    }

    .article-body h2::before {
        content: "";
        display: block;
        width: 32px;
        height: 4px;
        border-radius: 99px;
        background: var(--primary);
        margin-bottom: 12px;
    }

    .article-body h3 {
        font-size: 22px;
    }

    .article-body ul,
    .article-body ol {
        margin: 0 0 24px 22px;
        color: #393554;
    }

    .article-body ul li,
    .article-body ol li {
        padding-left: 8px;
        margin-bottom: 10px;
        position: relative;
    }

    .article-body ul li::before {
        content: "";
        width: 7px;
        height: 7px;
        background: var(--primary);
        border-radius: 50%;
        display: inline-block;
        margin-right: 14px;
        vertical-align: 2px;
        flex-shrink: 0;
    }

    .article-body blockquote {
        background: #f6f3ff;
        border-left: 4px solid var(--primary);
        border-radius: 0 12px 12px 0;
        color: #54506e;
        padding: 18px 22px;
        margin: 30px 0;
        font-style: normal;
        font-size: 15px;
        line-height: 1.9;
    }

    .article-body blockquote p {
        margin-bottom: 8px;
    }

    .article-body blockquote p:last-child {
        margin-bottom: 0;
    }

    .article-body img {
        border-radius: 14px;
        box-shadow: var(--shadow-sm);
        margin: 28px auto;
        background: #e8e8f1;
    }

    .article-body figure {
        margin: 28px 0;
    }

    .article-body figure img {
        margin: 0 0 10px;
    }

    .article-body figcaption {
        text-align: center;
        color: var(--subtle);
        font-size: 13px;
        line-height: 1.7;
    }

    .article-body table {
        width: 100%;
        border-collapse: separate;
        border-spacing: 0;
        margin: 28px 0;
        border: 1px solid var(--border);
        border-radius: 12px;
        overflow: hidden;
        font-size: 14px;
        background: #fff;
    }

    .article-body th,
    .article-body td {
        padding: 12px 14px;
        text-align: left;
        border-bottom: 1px solid var(--border);
        line-height: 1.7;
    }

    .article-body th {
        background: #f7f5fd;
        color: var(--text);
        font-weight: 700;
        font-size: 14px;
    }

    .article-body td:last-child,
    .article-body th:last-child {
        border-right: none;
    }

    .article-body tr:last-child td {
        border-bottom: none;
    }

    .article-body a {
        color: var(--primary);
        word-break: break-all;
        border-bottom: 1px solid rgba(108, 59, 244, 0.25);
    }

    .article-body a:hover {
        border-bottom-color: var(--primary);
    }

    .article-extra {
        max-width: 760px;
        margin: 36px auto 0;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 18px;
        flex-wrap: wrap;
        padding-top: 24px;
        border-top: 1px solid var(--border);
    }

    .article-tags {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 10px;
    }

    .tag {
        background: #f4f2fb;
        color: var(--primary);
        font-size: 13px;
        border-radius: 999px;
        padding: 4px 13px;
        transition: background 0.2s, color 0.2s;
        border: 1px solid transparent;
    }

    .tag:hover {
        background: var(--primary);
        color: #fff;
    }

    .article-share {
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .share-btn {
        width: 34px;
        height: 34px;
        background: #f6f5fb;
        border-radius: 10px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: var(--text);
        font-size: 16px;
        transition: background 0.2s, color 0.2s, transform 0.2s;
        cursor: pointer;
    }

    .share-btn:hover {
        background: var(--primary);
        color: #fff;
        transform: translateY(-2px);
    }

    .pagenav-row {
        max-width: 760px;
        margin: 32px auto 0;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 14px;
    }

    .pagenav-card {
        background: #faf9fd;
        border: 1px solid var(--border);
        padding: 16px 20px;
        border-radius: 14px;
        font-size: 14px;
        display: flex;
        flex-direction: column;
        gap: 4px;
        transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
    }

    .pagenav-card.small {
        font-size: 13px;
        align-items: center;
        justify-content: center;
    }

    .pagenav-card:hover {
        border-color: var(--primary);
        background: #fff;
        box-shadow: var(--shadow-sm);
    }

    .pagenav-card span {
        color: var(--subtle);
        font-size: 12px;
    }

    .pagenav-card b {
        color: var(--text);
        font-weight: 600;
        font-size: 14px;
    }

    .pagenav-card:hover b {
        color: var(--primary);
    }

    .related-section {
        padding: 0 0 var(--space-section);
    }

    .related-shell {
        max-width: 860px;
        margin-inline: auto;
    }

    .section-head {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        gap: 16px;
        margin-bottom: 24px;
    }

    .section-eyebrow {
        font-size: 13px;
        font-weight: 600;
        color: var(--primary);
        letter-spacing: 0.06em;
        margin-bottom: 6px;
        text-transform: none;
        display: flex;
        align-items: center;
        gap: 6px;
    }

    .section-eyebrow svg {
        width: 16px;
        height: 16px;
        fill: var(--primary);
    }

    .section-head h2 {
        font-size: clamp(23px, 3vw, 32px);
        line-height: 1.3;
        font-weight: 800;
        letter-spacing: -0.02em;
        color: var(--text);
    }

    .related-head-link {
        font-size: 14px;
        color: var(--primary);
        font-weight: 600;
        white-space: nowrap;
        transition: opacity 0.2s;
    }

    .related-head-link:hover {
        opacity: 0.75;
    }

    .related-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .related-card {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius-lg);
        overflow: hidden;
        display: block;
        transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
    }

    .related-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
        border-color: rgba(108, 59, 244, 0.25);
    }

    .related-card-media {
        aspect-ratio: 16 / 9;
        background: #e8e8f1;
        overflow: hidden;
        position: relative;
    }

    .related-card-media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.35s ease;
    }

    .related-card:hover .related-card-media img {
        transform: scale(1.04);
    }

    .related-card-content {
        padding: 20px 22px 22px;
    }

    .related-card-content .cat {
        display: inline-flex;
        padding: 2px 10px;
        background: rgba(108, 59, 244, 0.09);
        color: var(--primary);
        font-size: 12px;
        border-radius: 999px;
        font-weight: 600;
        margin-bottom: 10px;
    }

    .related-card-content h3 {
        font-size: 18px;
        font-weight: 700;
        color: var(--text);
        line-height: 1.45;
        margin-bottom: 8px;
        transition: color 0.2s;
    }

    .related-card:hover .related-card-content h3 {
        color: var(--primary);
    }

    .related-card-content p {
        color: var(--muted);
        font-size: 14px;
        line-height: 1.75;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .related-meta {
        margin-top: 14px;
        color: var(--subtle);
        font-size: 13px;
        display: flex;
        gap: 14px;
    }

    .article-cta {
        background: var(--dark);
        background-image: linear-gradient(120deg, rgba(108, 59, 244, 0.14), transparent 45%), url('/assets/images/backpic/back-1.webp');
        background-size: cover;
        background-position: center;
        border-radius: var(--radius-xl);
        color: #fff;
        padding: 40px 48px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 30px;
        margin-bottom: var(--space-section);
        position: relative;
        overflow: hidden;
    }

    .article-cta h2 {
        font-size: clamp(22px, 2.6vw, 30px);
        font-weight: 800;
        line-height: 1.35;
        margin-bottom: 8px;
    }

    .article-cta p {
        color: #c9c4e6;
        font-size: 15px;
    }

    .article-cta .btn {
        flex-shrink: 0;
        background: #fff;
        color: var(--primary);
        padding: 13px 26px;
        border-radius: 10px;
        font-weight: 700;
        box-shadow: 0 8px 22px rgba(0, 0, 0, 0.16);
        transition: transform 0.25s, background 0.25s, color 0.25s;
    }

    .article-cta .btn:hover {
        transform: translateY(-2px);
        background: var(--primary);
        color: #fff;
    }

    .not-found-wrap {
        min-height: 50vh;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 80px 20px;
        text-align: center;
    }

    .not-found-card {
        max-width: 520px;
        background: #fff;
        border: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
        border-radius: var(--radius-xl);
        padding: 48px 36px;
    }

    .not-found-card .icon {
        width: 70px;
        height: 70px;
        margin: 0 auto 20px;
        background: #f6f3ff;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 32px;
    }

    .not-found-card h1 {
        font-size: 32px;
        font-weight: 800;
        margin-bottom: 12px;
        color: var(--text);
    }

    .not-found-card p {
        color: var(--muted);
        margin-bottom: 24px;
    }

    .not-found-card .btn {
        background: var(--gradient);
        color: #fff;
        padding: 10px 26px;
    }

    .site-footer {
        background: var(--dark);
        color: #b1adcb;
        font-size: 14px;
        padding: 64px 0 0;
    }

    .footer-main {
        display: grid;
        grid-template-columns: 1.2fr 0.7fr 0.7fr 1fr;
        gap: 36px;
        padding-bottom: 44px;
    }

    .footer-brand h4,
    .footer-title {
        color: #fff;
        font-size: 16px;
        margin-bottom: 14px;
        font-weight: 700;
    }

    .footer-brand h4 {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 22px;
    }

    .footer-brand .logo-badge {
        width: 28px;
        height: 28px;
        flex-basis: 28px;
        font-size: 14px;
        border-radius: 8px;
    }

    .footer-brand p {
        font-size: 13px;
        line-height: 1.9;
        color: #9c97b8;
        margin-top: 10px;
    }

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

    .footer-links li {
        line-height: 1.5;
    }

    .footer-links a {
        color: #b1adcb;
        transition: color 0.2s, padding-left 0.2s;
    }

    .footer-links a:hover {
        color: #fff;
        padding-left: 4px;
    }

    .footer-contact p {
        font-size: 12px;
        color: #8581a3;
        line-height: 1.7;
    }

    .footer-tag-list {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    .badge {
        display: inline-flex;
        align-items: center;
        padding: 3px 12px;
        font-size: 12px;
        border-radius: 999px;
    }

    .badge-outline {
        border: 1px solid rgba(255, 255, 255, 0.14);
        color: #bbb6d7;
    }

    .footer-social {
        display: flex;
        gap: 10px;
        margin-top: 18px;
    }

    .social-btn {
        width: 34px;
        height: 34px;
        background: rgba(255, 255, 255, 0.06);
        border-radius: 10px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        transition: background 0.2s, transform 0.2s;
    }

    .social-btn:hover {
        background: var(--primary);
        transform: translateY(-2px);
        color: #fff;
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        padding: 20px 0;
        font-size: 13px;
        color: #8581a3;
    }

    .footer-bottom-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        flex-wrap: wrap;
    }

    .footer-bottom-inner a {
        color: #9c97b8;
        transition: color 0.2s;
    }

    .footer-bottom-inner a:hover {
        color: #fff;
    }

    .footer-notice {
        display: flex;
        gap: 8px;
        align-items: center;
    }

    @media (max-width: 1024px) {
        .footer-main {
            grid-template-columns: 1fr 1fr;
        }
        .header-grid {
            gap: 18px;
        }
        .header-search {
            flex-basis: 100%;
            order: 5;
        }
        .nav-menu {
            gap: 0;
        }
        .nav-menu a {
            padding: 10px 12px;
            font-size: 14px;
        }
        .article-hero {
            padding: 48px 0 90px;
        }
    }

    @media (max-width: 900px) {
        .nav-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            flex-direction: column;
            align-items: stretch;
            background: #fff;
            border-radius: 0 0 16px 16px;
            box-shadow: 0 18px 30px rgba(18, 16, 42, 0.12);
            padding: 12px 16px;
            gap: 4px;
            z-index: 80;
            border: 1px solid var(--border);
            border-top: 0;
        }

        .nav-menu.open {
            display: flex;
        }

        .nav-menu a {
            padding: 12px 14px;
            font-size: 15px;
            border-radius: 10px;
            justify-content: flex-start;
        }

        .nav-menu a.active::after {
            right: 14px;
            left: auto;
            transform: none;
            width: 5px;
            height: 5px;
            top: 50%;
            bottom: auto;
            margin-top: -2.5px;
        }

        .nav-toggle {
            display: inline-flex;
            margin-left: auto;
        }

        .nav-bottom-inner {
            position: relative;
            flex-wrap: wrap;
            padding: 8px 0;
            min-height: 50px;
        }

        .nav-cta {
            display: none;
        }

        .topbar-inner {
            flex-direction: column;
            gap: 4px;
            padding: 8px 0;
        }

        .topbar-links {
            font-size: 12px;
        }

        .header-actions .btn-login span {
            display: none;
        }

        .header-actions .btn-login {
            width: 38px;
            padding: 6px;
            justify-content: center;
            border-radius: 10px;
        }

        .article-hero h1 {
            font-size: 34px;
        }

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

        .article-icon-row {
            flex-wrap: wrap;
        }

        .pagenav-row {
            grid-template-columns: 1fr;
        }

        .article-cta {
            flex-direction: column;
            text-align: center;
            padding: 38px 26px;
        }
    }

    @media (max-width: 560px) {
        .container {
            width: min(100% - 28px, 1200px);
        }
        .topbar-links {
            display: none;
        }

        .brand-logo {
            gap: 8px;
        }

        .brand-name {
            font-size: 18px;
        }

        .article-shell {
            padding: 24px 18px;
            border-radius: 14px;
        }

        .article-hero {
            padding: 38px 0 70px;
        }

        .article-hero h1 {
            font-size: 28px;
            line-height: 1.3;
        }

        .article-body h2 {
            font-size: 23px;
        }

        .article-body h3 {
            font-size: 19px;
        }

        .article-body p {
            font-size: 15px;
        }

        .article-body table {
            display: block;
            overflow-x: auto;
        }

        .section-head {
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
        }

        .related-meta {
            flex-wrap: wrap;
        }

        .footer-main {
            grid-template-columns: 1fr;
            gap: 24px;
        }

        .article-extra {
            flex-direction: column;
            justify-content: flex-start;
        }

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

    @media (prefers-reduced-motion: reduce) {
        *,
        *::before,
        *::after {
            animation: none !important;
            transition: none !important;
        }
    }

/* roulang page: category1 */
:root {
            --primary: #6C3BF4;
            --primary-dark: #5429C9;
            --green: #12B981;
            --amber: #FFB02E;
            --ink: #221F33;
            --ink-light: #5C577A;
            --ink-mute: #9290A8;
            --border: #E3E0EF;
            --bg: #F8F7FC;
            --white: #FFFFFF;
            --dark: #12102A;
            --dark-soft: #1D1A3A;
            --radius-lg: 20px;
            --radius-md: 15px;
            --radius-sm: 9px;
            --shadow: 0 4px 20px rgba(18, 16, 42, .06);
            --shadow-hover: 0 16px 32px rgba(18, 16, 42, .12);
            --transition: .25s ease;
            --container: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            background: var(--bg);
            color: var(--ink);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
        }

        button, input {
            font: inherit;
        }

        h1, h2, h3, h4, p, ul, ol {
            margin: 0;
            padding: 0;
        }

        ul, ol {
            list-style: none;
        }

        :focus-visible {
            outline: 3px solid rgba(108, 59, 244, .35);
            outline-offset: 2px;
            border-radius: 2px;
        }

        .container {
            max-width: var(--container);
            padding-left: 24px;
            padding-right: 24px;
            margin: 0 auto;
        }

        .section {
            padding: clamp(64px, 10vw, 110px) 0;
        }

        .section-title {
            font-size: clamp(26px, 3.2vw, 38px);
            line-height: 1.3;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 14px;
        }

        .section-lead {
            color: var(--ink-light);
            max-width: 820px;
            font-size: 16px;
            line-height: 1.9;
        }

        .section-head {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 42px;
        }

        .section-head .eyebrow {
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            letter-spacing: .08em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .section-head .eyebrow::before {
            content: "";
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
        }

        .section-head.center {
            align-items: center;
            text-align: center;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            height: 28px;
            padding: 0 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(108, 59, 244, .1);
            color: var(--primary);
            white-space: nowrap;
        }

        .tag-green {
            background: rgba(18, 185, 129, .12);
            color: #0b9b6d;
        }

        .tag-amber {
            background: rgba(255, 176, 46, .16);
            color: #c47700;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 46px;
            padding: 0 22px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            border: 2px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
        }

        .btn svg {
            width: 18px;
            height: 18px;
        }

        .btn-primary {
            background: linear-gradient(135deg, #6C3BF4, #4A21D8);
            color: #fff;
            box-shadow: 0 8px 24px rgba(108, 59, 244, .28);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #7b4dfc, #5429C9);
            transform: translateY(-2px);
            box-shadow: 0 13px 30px rgba(108, 59, 244, .34);
            color: #fff;
        }

        .btn-secondary {
            background: #fff;
            border-color: var(--primary);
            color: var(--primary);
        }

        .btn-secondary:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 26px rgba(108, 59, 244, .22);
        }

        .btn-ghost-light {
            background: rgba(255, 255, 255, .08);
            border-color: rgba(255, 255, 255, .28);
            color: #fff;
        }

        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, .16);
            border-color: rgba(255, 255, 255, .6);
            transform: translateY(-2px);
        }

        .btn-download {
            min-height: 56px;
            padding: 0 34px;
            border-radius: 12px;
            font-size: 16px;
            background: linear-gradient(135deg, #6C3BF4, #4620cc);
            color: #fff;
            box-shadow: 0 14px 32px rgba(108, 59, 244, .32);
        }

        .btn-download:hover {
            transform: translateY(-3px);
            box-shadow: 0 18px 40px rgba(108, 59, 244, .4);
            color: #fff;
        }

        /* Header */
        .topbar {
            background: var(--dark);
            color: #b8b3d3;
            font-size: 13px;
            padding: 8px 0;
        }

        .topbar-wrap {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }

        .topbar-safety {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .topbar-safety::before {
            content: "✓";
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: rgba(18, 185, 129, .2);
            color: #4cd6ac;
            font-size: 11px;
            font-weight: 700;
        }

        .topbar-links {
            display: flex;
            gap: 18px;
        }

        .topbar-links a {
            color: #c9c3de;
            transition: color .2s;
        }

        .topbar-links a:hover {
            color: #fff;
        }

        .header-main {
            position: sticky;
            top: 0;
            z-index: 80;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
        }

        .header-wrap {
            display: flex;
            align-items: center;
            gap: 20px;
            min-height: 78px;
        }

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

        .logo-mark {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 13px;
            background: linear-gradient(135deg, #6C3BF4, #4A21D8);
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            box-shadow: 0 6px 16px rgba(108, 59, 244, .3);
        }

        .logo-text {
            font-size: 21px;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -.02em;
            white-space: nowrap;
        }

        .official-chip {
            display: inline-flex;
            align-items: center;
            height: 22px;
            padding: 0 8px;
            border-radius: 999px;
            background: rgba(18, 185, 129, .14);
            border: 1px solid rgba(18, 185, 129, .32);
            color: #0b9b6d;
            font-size: 11px;
            font-weight: 700;
            line-height: 1;
            white-space: nowrap;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            flex: 1;
            min-width: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 9px 12px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: #565078;
            transition: all var(--transition);
        }

        .nav-links a:hover {
            color: var(--primary);
            background: rgba(108, 59, 244, .07);
        }

        .nav-links a.active {
            color: var(--primary);
            background: rgba(108, 59, 244, .1);
            font-weight: 700;
        }

        .nav-search {
            width: 320px;
            min-width: 0;
            flex-shrink: 1;
            margin: 0 6px;
            position: relative;
        }

        .nav-search svg {
            position: absolute;
            left: 13px;
            top: 50%;
            transform: translateY(-50%);
            width: 18px;
            height: 18px;
            color: var(--ink-mute);
            pointer-events: none;
            transition: color .2s;
        }

        .nav-search input {
            width: 100%;
            height: 42px;
            padding: 0 40px 0 40px;
            border: 1px solid var(--border);
            border-radius: 999px;
            background: #f5f4f9;
            color: var(--ink);
            font-size: 14px;
            outline: none;
            transition: all var(--transition);
        }

        .nav-search input::placeholder {
            color: var(--ink-mute);
        }

        .nav-search input:focus {
            background: #fff;
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(108, 59, 244, .12);
        }

        .nav-search input:focus + svg,
        .nav-search:focus-within svg {
            color: var(--primary);
        }

        .nav-search kbd {
            position: absolute;
            right: 8px;
            top: 50%;
            transform: translateY(-50%);
            height: 26px;
            padding: 0 8px;
            display: inline-flex;
            align-items: center;
            color: var(--ink-mute);
            font-size: 12px;
            border: 1px solid var(--border);
            border-radius: 7px;
            background: #fff;
            line-height: 1;
            pointer-events: none;
            display: none;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .icon-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            color: var(--ink-light);
            border: 1px solid transparent;
            background: none;
            cursor: pointer;
            transition: all .2s;
        }

        .icon-btn:hover {
            background: #f2effa;
            color: var(--primary);
        }

        .avatar-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, #6C3BF4, #2be3ac);
            color: #fff;
            border: 0;
            font-size: 15px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 0 2px #fff, 0 0 0 4px rgba(108, 59, 244, .2);
            cursor: pointer;
        }

        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--ink);
            cursor: pointer;
            margin-left: auto;
        }

        /* Hero Banner */
        .category-hero {
            padding: clamp(28px, 5vw, 56px) 0 0;
        }

        .category-hero + .hero-section {
            margin-top: 0;
            padding: clamp(48px, 8vw, 88px) 0 0;
        }

        .category-banner {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-lg);
            background-color: var(--dark);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            padding: clamp(48px, 8vw, 96px) clamp(26px, 6vw, 70px);
            box-shadow: 0 20px 45px rgba(18, 16, 42, .18);
        }

        .category-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(18, 16, 42, .97) 16%, rgba(54, 20, 110, .9) 60%, rgba(108, 59, 244, .48) 100%);
            z-index: 1;
        }

        .category-banner::after {
            content: "";
            position: absolute;
            width: 300px;
            height: 300px;
            right: -60px;
            bottom: -100px;
            background: radial-gradient(circle, rgba(108, 59, 244, .7), transparent 70%);
            border-radius: 50%;
            z-index: 2;
            pointer-events: none;
        }

        .category-banner>* {
            position: relative;
            z-index: 3;
        }

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .68);
            margin-bottom: 26px;
            flex-wrap: wrap;
        }

        .hero-breadcrumb a {
            color: rgba(255, 255, 255, .8);
        }

        .hero-breadcrumb a:hover {
            color: #fff;
        }

        .hero-breadcrumb span {
            margin: 0 2px;
        }

        .category-banner h1 {
            font-size: clamp(31px, 5vw, 52px);
            line-height: 1.2;
            letter-spacing: -.02em;
            font-weight: 800;
            max-width: 780px;
            margin-bottom: 20px;
        }

        .category-banner .hero-lead {
            max-width: 700px;
            color: rgba(255, 255, 255, .82);
            font-size: 16px;
            line-height: 1.95;
            margin-bottom: 28px;
        }

        .hero-tagline {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: 0 0 30px;
        }

        .hero-tagline li {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: #dcd8f3;
            font-size: 14px;
        }

        .hero-tagline li::before {
            content: "✓";
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 20px;
            height: 20px;
            background: rgba(18, 185, 129, .16);
            color: #4cd6ac;
            border-radius: 50%;
            font-size: 12px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        /* index & guide */
        .guide-section {
            padding: clamp(60px, 9vw, 100px) 0;
            background: var(--bg);
        }

        .guide-layout {
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            gap: 44px;
            align-items: start;
        }

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

        .guide-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: box-shadow .25s, transform .25s, border-color .25s;
        }

        .guide-item:hover {
            border-color: rgba(108, 59, 244, .35);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .guide-item-icon {
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, rgba(108, 59, 244, .1), rgba(108, 59, 244, .04));
            color: var(--primary);
            font-size: 21px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            font-weight: 700;
        }

        .guide-item h3 {
            font-size: 17px;
            font-weight: 700;
            margin: 2px 0 4px;
        }

        .guide-item p {
            color: var(--ink-light);
            font-size: 14px;
            line-height: 1.65;
        }

        .guide-side-panel {
            position: sticky;
            top: 100px;
        }

        .guide-side-panel .guide-card {
            background: var(--dark);
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            position: relative;
            overflow: hidden;
        }

        .guide-card::after {
            content: "";
            position: absolute;
            right: -70px;
            top: -70px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(108, 59, 244, .28);
        }

        .guide-card .card-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(18, 185, 129, .15);
            color: #4cd6ac;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 999px;
            margin-bottom: 18px;
            position: relative;
            z-index: 2;
        }

        .guide-card .card-badge svg {
            width: 14px;
            height: 14px;
        }

        .guide-card h3 {
            font-size: 22px;
            line-height: 1.5;
            margin-bottom: 12px;
            position: relative;
            z-index: 2;
        }

        .guide-card p {
            color: rgba(255, 255, 255, .74);
            font-size: 14px;
            line-height: 1.85;
            position: relative;
            z-index: 2;
        }

        .guide-metric {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 26px;
        }

        .guide-metric .metric-box {
            background: rgba(255, 255, 255, .08);
            border-radius: 14px;
            padding: 14px 12px;
        }

        .guide-metric .metric-value {
            font-size: 22px;
            font-weight: 800;
            color: var(--amber);
            line-height: 1.3;
        }

        .guide-metric .metric-name {
            font-size: 12px;
            color: rgba(255, 255, 255, .62);
            line-height: 1.5;
        }

        /* Feature rows */
        .feature-section {
            padding: clamp(60px, 9vw, 100px) 0;
            background: #fff;
        }

        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1.05fr;
            gap: clamp(28px, 6vw, 72px);
            align-items: center;
            padding: clamp(28px, 6vw, 64px) 0;
        }

        .feature-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            background: #e8e8f1;
            min-height: 260px;
        }

        .feature-media img {
            width: 100%;
            height: 100%;
            min-height: 260px;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .feature-media:hover img {
            transform: scale(1.04);
        }

        .feature-media .media-float-tag {
            position: absolute;
            left: 18px;
            top: 18px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(18, 16, 42, .72);
            backdrop-filter: blur(8px);
            color: #fff;
            padding: 8px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
        }

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

        .feature-copy h2 {
            font-size: clamp(25px, 3.2vw, 36px);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -.02em;
            font-weight: 700;
        }

        .feature-copy p {
            color: var(--ink-light);
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 22px;
        }

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

        .check-list li {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            padding: 10px 0;
            border-bottom: 1px dashed #ddd8ec;
            color: var(--ink);
            font-size: 15px;
        }

        .check-list li:last-child {
            border-bottom: 0;
        }

        .check-list li::before {
            content: "";
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            margin-top: 3px;
            border-radius: 50%;
            background: var(--green) url("data:image/svg+xml,%3Csvg viewBox='0 0 16 16' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M6.5 10.8 3.7 8l-1.1 1.2 3.9 3.8 7-7-1.1-1.2z' fill='%23fff' fill-rule='evenodd'/%3E%3C/svg%3E") center / 12px no-repeat;
        }

        .feature-copy .action-row {
            margin-top: 28px;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        /* Dark list section */
        .dark-list-section {
            background: var(--dark);
            color: #fff;
            padding: clamp(64px, 9vw, 110px) 0;
            position: relative;
            overflow: hidden;
        }

        .dark-list-section::before {
            content: "";
            position: absolute;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            top: -180px;
            right: -120px;
            background: radial-gradient(circle, rgba(108, 59, 244, .3), transparent 70%);
            pointer-events: none;
        }

        .dark-list-section .section-head .eyebrow {
            color: #b48cff;
        }

        .dark-list-section .section-title {
            color: #fff;
        }

        .dark-list-section .section-lead {
            color: rgba(255, 255, 255, .62);
        }

        .dark-list {
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius-lg);
            padding: 8px 24px;
            margin-top: 10px;
        }

        .dark-list-item {
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            padding: 22px 8px;
            display: grid;
            grid-template-columns: 64px minmax(0, 1fr);
            gap: 22px;
        }

        .dark-list-item:last-child {
            border-bottom: 0;
        }

        .list-item-index {
            color: var(--amber);
            font-size: 26px;
            font-weight: 800;
            letter-spacing: .02em;
            line-height: 1.2;
            font-family: "Bahnschrift", "DIN Alternate", sans-serif;
        }

        .list-item-title {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            margin-bottom: 8px;
        }

        .list-item-title h3 {
            font-size: 19px;
            font-weight: 700;
            color: #fff;
        }

        .list-item-desc {
            color: rgba(255, 255, 255, .62);
            line-height: 1.8;
            font-size: 15px;
            max-width: 880px;
        }

        /* Download CTA */
        .download-cta {
            padding: clamp(64px, 9vw, 100px) 0;
            background: #fff;
        }

        .download-panel {
            position: relative;
            overflow: hidden;
            background: linear-gradient(130deg, #1D1A3A, #12102A);
            border-radius: var(--radius-lg);
            padding: clamp(42px, 7vw, 82px) clamp(26px, 6vw, 72px);
            color: #fff;
            display: grid;
            grid-template-columns: 1.2fr .8fr;
            align-items: center;
            gap: 32px;
        }

        .download-panel::before {
            content: "";
            position: absolute;
            width: 250px;
            height: 250px;
            right: -60px;
            top: -80px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(108, 59, 244, .35), transparent 70%);
        }

        .download-panel h2 {
            font-size: clamp(26px, 4vw, 42px);
            line-height: 1.3;
            margin-bottom: 16px;
            position: relative;
            z-index: 2;
        }

        .download-panel p {
            color: rgba(255, 255, 255, .7);
            max-width: 610px;
            line-height: 1.9;
            margin-bottom: 26px;
            position: relative;
            z-index: 2;
        }

        .download-action {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            position: relative;
            z-index: 2;
        }

        .download-trust {
            display: flex;
            gap: 12px;
            margin-top: 22px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        .download-trust .trust-chip {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 13px;
            color: rgba(255, 255, 255, .58);
        }

        .download-trust .trust-chip::before {
            content: "●";
            color: var(--green);
            font-size: 10px;
        }

        .download-side {
            position: relative;
            z-index: 2;
            text-align: center;
            background: rgba(255, 255, 255, .07);
            border: 1px solid rgba(255, 255, 255, .14);
            padding: 28px 22px;
            border-radius: var(--radius-lg);
        }

        .download-side .big-num {
            font-size: 46px;
            font-weight: 800;
            color: var(--amber);
            font-family: "Bahnschrift", "DIN Alternate", sans-serif;
            line-height: 1;
            display: block;
        }

        .download-side .small-text {
            color: rgba(255, 255, 255, .6);
            font-size: 14px;
            margin-top: 8px;
        }

        .download-side .safe-note {
            margin-top: 10px;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 12px;
            color: #4cd6ac;
            background: rgba(18, 185, 129, .12);
            padding: 7px 13px;
            border-radius: 999px;
        }

        /* FAQ */
        .faq-section {
            padding: clamp(64px, 9vw, 110px) 0;
            background: var(--bg);
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 1fr .34fr;
            gap: 40px;
            align-items: start;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color .2s, box-shadow .2s;
        }

        .faq-item:hover {
            border-color: rgba(108, 59, 244, .3);
        }

        .faq-item[open] {
            box-shadow: var(--shadow);
            border-color: rgba(108, 59, 244, .35);
        }

        .faq-item summary {
            cursor: pointer;
            list-style: none;
            padding: 19px 22px 19px 58px;
            position: relative;
            font-size: 16px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: background .2s;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::before {
            content: "";
            position: absolute;
            left: 20px;
            top: 22px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 0 5px rgba(108, 59, 244, .1);
        }

        .faq-item summary::after {
            content: "＋";
            position: absolute;
            right: 20px;
            font-size: 19px;
            color: var(--ink-mute);
            transition: transform .25s;
            font-weight: 400;
        }

        .faq-item[open] summary::after {
            transform: rotate(45deg);
            color: var(--primary);
        }

        .faq-item .faq-content {
            padding: 0 22px 22px 58px;
            color: var(--ink-light);
            font-size: 15px;
            line-height: 1.85;
        }

        .faq-aside {
            background: var(--dark);
            color: #fff;
            padding: 30px;
            border-radius: var(--radius-lg);
            position: sticky;
            top: 100px;
        }

        .faq-aside h3 {
            color: #fff;
            font-size: 21px;
            margin-bottom: 12px;
        }

        .faq-aside p {
            color: rgba(255, 255, 255, .64);
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .faq-aside .btn {
            width: 100%;
        }

        /* Footer */
        .site-footer {
            background: #12102A;
            color: #b8b3d3;
            padding: 72px 0 0;
            margin-top: 0;
        }

        .footer-main {
            display: grid;
            grid-template-columns: 1.4fr .8fr .8fr 1fr;
            gap: 42px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }

        .footer-brand h4 {
            font-size: 22px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }

        .footer-brand p {
            color: #918cac;
            font-size: 14px;
            line-height: 1.85;
            max-width: 360px;
            margin-bottom: 20px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .social-btn {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, .08);
            font-size: 17px;
            transition: all .25s;
            color: #c8c2e2;
        }

        .social-btn:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        .footer-title {
            color: #fff;
            font-size: 17px;
            margin-bottom: 18px;
            font-weight: 600;
        }

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

        .footer-links a {
            color: #918cac;
            font-size: 14px;
        }

        .footer-links a:hover {
            color: #fff;
        }

        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-list .badge-outline {
            display: inline-flex;
            align-items: center;
            height: 28px;
            padding: 0 10px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, .12);
            background: transparent;
            color: #b8b3d3;
            font-size: 12px;
            white-space: nowrap;
        }

        .footer-bottom-note {
            padding: 18px 0;
            color: #686381;
            font-size: 12px;
            max-width: 800px;
            line-height: 1.7;
        }

        .footer-copy {
            padding: 14px 0 38px;
            border-top: 1px solid rgba(255, 255, 255, .07);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            color: #6f6a89;
            font-size: 13px;
        }

        /* Responsive */
        @media (max-width: 1100px) {
            .nav-links a {
                padding: 8px 9px;
                font-size: 14px;
            }

            .nav-search {
                width: 240px;
            }

            .header-wrap {
                gap: 10px;
            }

            .logo-text {
                font-size: 19px;
            }

            .guide-layout,
            .feature-row {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 900px) {
            .nav-menu {
                display: none;
                position: absolute;
                left: 0;
                right: 0;
                top: 77px;
                background: #fff;
                flex-direction: column;
                padding: 18px 24px 24px;
                gap: 14px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 16px 30px rgba(18, 16, 42, .08);
                align-items: stretch;
                z-index: 100;
            }

            .header-wrap.nav-open .nav-menu {
                display: flex;
            }

            .nav-links {
                justify-content: center;
                flex-wrap: wrap;
            }

            .nav-search {
                width: 100%;
                margin: 6px 0 10px;
            }

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

            .header-actions .icon-btn {
                display: none;
            }

            .topbar {
                display: none;
            }

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

            .guide-side-panel {
                position: static;
            }

            .feature-row {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 40px 0;
            }

            .feature-media {
                min-height: 210px;
            }

            .dark-list-item {
                grid-template-columns: 50px 1fr;
                gap: 14px;
            }

            .download-panel {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .download-panel p,
            .download-panel h2 {
                margin-left: auto;
                margin-right: auto;
            }

            .download-action,
            .download-trust {
                justify-content: center;
            }

            .faq-layout {
                grid-template-columns: 1fr;
            }

            .faq-aside {
                position: static;
            }

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

        @media (max-width: 600px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .section {
                padding: 54px 0;
            }

            .header-wrap {
                min-height: 64px;
            }

            .brand-logo .logo-mark {
                width: 34px;
                height: 34px;
                font-size: 17px;
            }

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

            .brand-logo .official-chip {
                display: none;
            }

            .category-banner {
                padding: 34px 22px;
            }

            .category-banner h1 {
                font-size: 26px;
            }

            .category-banner .hero-lead {
                font-size: 14px;
            }

            .guide-item {
                flex-direction: column;
                gap: 12px;
            }

            .guide-item-icon {
                width: 38px;
                height: 38px;
                font-size: 18px;
            }

            .guide-metric {
                grid-template-columns: 1fr;
            }

            .download-panel {
                padding: 38px 20px;
            }

            .download-side {
                padding: 20px;
            }

            .faq-item summary {
                font-size: 14px;
                padding: 17px 44px 17px 48px;
            }

            .faq-item .faq-content {
                padding: 0 20px 18px 48px;
                font-size: 14px;
            }

            .footer-main {
                grid-template-columns: 1fr;
                gap: 30px;
            }

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

            .hero-actions,
            .download-action {
                flex-direction: column;
            }

            .hero-actions .btn,
            .download-action .btn {
                width: 100%;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #6C3BF4;
            --primary-dark: #5429C9;
            --primary-light: #8F6BFF;
            --primary-gradient: linear-gradient(135deg, #6C3BF4, #4A21D8);
            --secondary: #12B981;
            --accent: #FFB02E;
            --bg: #F6F6FA;
            --bg-deep: #12102A;
            --bg-card: #FFFFFF;
            --text-main: #221F33;
            --text-sub: #5C577A;
            --text-light: #9290A8;
            --border: #E3E0EF;
            --border-deep: rgba(255, 255, 255, 0.14);
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-default: 0 4px 20px rgba(18, 16, 42, 0.06);
            --shadow-hover: 0 16px 32px rgba(18, 16, 42, 0.12);
            --shadow-cta: 0 10px 30px rgba(84, 41, 201, 0.28);
            --transition: 0.25s ease;
            --container: 1200px;
            --gap: 24px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            background-color: var(--bg);
            color: var(--text-main);
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
        }

        .header-top {
            background-color: var(--bg-deep);
            padding: 6px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }

        .header-top-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .header-top-tip {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .header-top-icon {
            color: var(--secondary);
        }

        .header-top-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .header-top-right a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
            transition: color 0.2s;
        }

        .header-top-right a:hover {
            color: #fff;
        }

        .header-main {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 14px 24px;
            max-width: 1400px;
            margin: 0 auto;
            flex-wrap: wrap;
        }

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

        .logo-box {
            position: relative;
            width: 40px;
            height: 40px;
            background: var(--primary-gradient);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 6px 16px rgba(108, 59, 244, 0.3);
        }

        .logo-box::after {
            content: '入口';
            position: absolute;
            background: var(--secondary);
            color: #fff;
            font-size: 9px;
            line-height: 1.4;
            font-weight: 500;
            padding: 1px 5px;
            border-radius: 20px;
            top: -6px;
            right: -14px;
            white-space: nowrap;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.02em;
        }

        .logo-text span {
            color: var(--primary);
        }

        .header-center {
            flex: 1;
            display: flex;
            justify-content: center;
            padding: 0 12px;
        }

        .site-search {
            width: 360px;
            max-width: 100%;
            height: 42px;
            background: #F1F0F7;
            border: 1.5px solid transparent;
            border-radius: 12px;
            display: flex;
            align-items: center;
            padding: 0 10px 0 14px;
            transition: all 0.25s ease;
        }

        .site-search:focus-within {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(108, 59, 244, 0.12);
        }

        .site-search svg {
            flex-shrink: 0;
            color: var(--text-light);
        }

        .site-search input {
            flex: 1;
            border: none;
            background: transparent;
            outline: none;
            padding: 0 10px;
            font-size: 14px;
            color: var(--text-main);
            min-width: 0;
        }

        .site-search input::placeholder {
            color: var(--text-light);
        }

        .search-go {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 13px;
            padding: 6px 14px;
            cursor: pointer;
            font-weight: 500;
            transition: background var(--transition);
            flex-shrink: 0;
        }

        .search-go:hover {
            background: var(--primary-dark);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .icon-link {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: transparent;
            transition: background 0.2s;
            cursor: pointer;
            color: var(--text-sub);
        }

        a.icon-link:hover {
            background: rgba(108, 59, 244, 0.08);
            color: var(--primary);
        }

        .login-btn {
            background: var(--primary-gradient);
            color: #fff;
            border-radius: 10px;
            padding: 8px 18px;
            font-size: 14px;
            cursor: pointer;
            transition: all 0.25s ease;

            font-weight: 500;
            border: none;
        }

        .login-btn:hover {
            opacity: 0.9;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(108, 59, 244, 0.25);
        }

        .mobile-toggle {
            display: none;
            font-size: 24px;
            cursor: pointer;
            width: 40px;
            height: 40px;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 10px;
            align-items: center;
            justify-content: center;
        }

        .nav-wrap {
            background: #fff;
            border-top: 1px solid rgba(227, 224, 239, 0.6);
            box-shadow: 0 4px 12px rgba(18, 16, 42, 0.02);
        }

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

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 4px;
            padding: 6px 0;
            overflow-x: auto;
            scrollbar-width: none;
        }

        .nav-menu::-webkit-scrollbar {
            display: none;
        }

        .nav-menu a {
            display: block;
            padding: 10px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-sub);
            border-radius: 10px;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .nav-menu a:hover {
            background: rgba(108, 59, 244, 0.06);
            color: var(--primary);
        }

        .nav-menu a.active {
            background: linear-gradient(135deg, rgba(108, 59, 244, 0.12), rgba(74, 33, 216, 0.08));
            color: var(--primary);
            font-weight: 600;
        }

        .page-banner {
            padding: clamp(50px, 7vw, 80px) 0 40px;
            background: var(--bg-deep);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
            color: #fff;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(110deg, rgba(18, 16, 42, 0.92) 40%, rgba(18, 16, 42, 0.55));
            z-index: 1;
        }

        .banner-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
        }

        .banner-tagline {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 18px;
            color: #C9C2FF;
            font-size: 14px;
        }

        .banner-tagline::before {
            content: '';
            width: 42px;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
        }

        .page-banner h1 {
            font-size: clamp(30px, 4.6vw, 46px);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }

        .page-banner h1 em {
            font-style: normal;
            color: var(--accent);
            display: inline-block;
            padding: 0 6px;
            transform: skewX(-6deg);
            background: linear-gradient(135deg, rgba(255, 176, 46, 0.18), transparent);
        }

        .banner-desc {
            font-size: 17px;
            line-height: 1.8;
            color: #d0ccE8;
            max-width: 720px;
            margin-bottom: 24px;
        }

        .banner-meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 20px;
        }

        .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(108, 59, 244, 0.2);
            border: 1px solid rgba(108, 59, 244, 0.3);
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 13px;
            color: #d0caF0;
        }

        .banner-tag span {
            color: var(--accent);
        }

        .content-section {
            padding: clamp(50px, 7vw, 75px) 0;
        }

        .section-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 28px;
            gap: 16px;
            flex-wrap: wrap;
        }

        .section-kicker {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .section-kicker svg {
            width: 18px;
            height: 18px;
        }

        .section-header h2 {
            font-size: clamp(22px, 3.4vw, 30px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-main);
            letter-spacing: -0.02em;
            margin-bottom: 0;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
            margin-top: 8px;
            max-width: 600px;
        }

        .section-link {
            color: var(--primary);
            font-size: 14px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition);
        }

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

        .content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            align-items: stretch;
        }

        .block-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .block-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: #d0caE8;
        }

        .image-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
            background: #E8E8F1;
        }

        .image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .image-caption-overlay {
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            padding: 18px 16px 12px;
            background: linear-gradient(to top, rgba(18, 16, 42, 0.72), transparent);
            color: #fff;
            font-size: 13px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
        }

        .card-hot-tag {
            background: rgba(255, 176, 46, 0.25);
            color: #FFD893;
            border-radius: 6px;
            font-size: 12px;
            padding: 2px 8px;
            backdrop-filter: blur(4px);
        }

        .block-card-body {
            padding: 22px 22px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .block-card-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(18, 185, 129, 0.08);
            color: #0d9d6f;
            font-size: 12px;
            font-weight: 500;
            border-radius: 20px;
            padding: 3px 12px;
            align-self: flex-start;
            margin-bottom: 10px;
            
        }
        .block-card-tag.primary-tag{
            background: rgba(108, 59, 244, 0.10);
            color: var(--primary);
        }
        .block-card-tag.warning-tag {
            background: rgba(255, 176, 46, 0.14);
            color: #d99a1e;
        }

        .block-card-body h3 {
            font-size: 17px;
            line-height: 1.45;
            font-weight: 600;
            margin-bottom: 8px;
            transition: color var(--transition);
            color: var(--text-main);
        }

        .block-card:hover .block-card-body h3 {
            color: var(--primary);
        }

        .block-card-body>p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 2;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .block-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: auto;
            color: var(--text-light);
            font-size: 13px;
        }

        .block-card-meta .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--text-light);
            display: block;
        }

        .block-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* 版式一：横排卡片 */
        .wide-card {
            display: grid;
            grid-template-columns: 220px 1fr;
            gap: 0;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
            cursor: pointer;
        }

        .wide-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: #d0caE8;
        }

        .wide-card .thumb {
            position: relative;
            overflow: hidden;
            min-height: 150px;
            background: #E8E8F1;
        }

        .wide-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .wide-card-body {
            padding: 18px 20px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .wide-card-body .tag-line {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 2px;
            flex-wrap: wrap;
        }

        .tag-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 2px 8px;
            border-radius: 6px;
            font-size: 11px;
            font-weight: 500;
        }

        .tag-danger {
            background: rgba(255, 78, 78, 0.1);
            color: #E44A4A;
        }

        .tag-success {
            background: rgba(18, 185, 129, 0.1);
            color: var(--secondary);
        }

        .tag-primary {
            background: rgba(108, 59, 244, 0.1);
            color: var(--primary);
         
        }

        .tag-warning {
            background: rgba(255, 176, 46, 0.15);
            color: #C98A0E;
        }

        .wide-card-body h3 {
            font-size: 17px;
            line-height: 1.4;
            font-weight: 600;
            color: var(--text-main);
            transition: color var(--transition);
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .wide-card:hover .wide-card-body h3 {
            color: var(--primary);
        }

        .wide-card-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .wide-card-body .line-meta {
            display: flex;
            gap: 8px;
            align-items: center;
            color: var(--text-light);
            font-size: 13px;
            flex-wrap: wrap;
            margin-top: 2px;
        }

        /* news-highlight block */
        .news-highlight {
            background: #fff;
            border-radius: 20px;
            background: linear-gradient(125deg, rgba(108,59,244,0.04), rgba(18,185,129,0.02)), #fff;
            border: 1px solid var(--border);
            padding: 20px;
            margin-bottom: 28px;
            display: flex;
            flex-direction: column;
            width: 100%;
        }

        .news-highlight-tag {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .news-highlight p {
            font-size: 15px;
            color: var(--text-sub);
            max-width: 800px;
            margin-bottom: 10px;
        }

        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 4px;
        }

        .feature-list-item {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding: 12px 14px;
            background: rgba(232, 232, 241, 0.4);
            border-radius: 12px;
            border-left: 3px solid var(--secondary);
            font-size: 14px;
            line-height: 1.7;
        }

        .feature-list-item strong {
            color: var(--text-main);
            font-weight: 600;
            display: block;
            margin-bottom: 3px;
            font-size: 15px;
        }

        .feature-list-item span {
            color: var(--text-sub);
            font-size: 14px;
        }

        .cta-box {
            margin-top: 42px;
            border-radius: var(--radius-lg);
            background: var(--bg-deep);
            position: relative;
            overflow: hidden;
            padding: 36px 30px;
            color: #fff;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(110deg, rgba(18, 16, 42, 0.88) 50%, rgba(108, 59, 244, 0.35));
        }

        .cta-content {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: space-between;
            gap: 20px;
            align-items: center;
            flex-wrap: wrap;
        }

        .cta-left h3 {
            font-size: clamp(20px, 3vw, 28px);
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .cta-left p {
            color: #BDB9D4;
            line-height: 1.65;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 10px;
            border: none;
            font-size: 15px;
            font-weight: 500;
            padding: 12px 28px;
            cursor: pointer;
            line-height: 1.5;
            transition: all 0.25s ease;
        }

        .btn-primary {
            background: var(--primary-gradient);
            color: #fff;
            box-shadow: 0 4px 15px rgba(108, 59, 244, 0.3);
        }

        .btn-primary:hover {
            background-image: linear-gradient(135deg, #7d50f8, #5429c9);
            box-shadow: var(--shadow-cta);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.3);
            backdrop-filter: blur(6px);
        }

        .btn-outline:hover {
            border-color: rgba(255, 255, 255, 0.8);
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        /* timeline styles */
        .timeline-list {
            margin-top: 40px;
        }

        .timeline-wrap {
            margin-top: 30px;
        }

        .timeline-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            display: flex;
            gap: 14px;
            margin-bottom: 20px;
            transition: all var(--transition);
        }

        .timeline-card:hover {
            box-shadow: var(--shadow-default);
            border-color: #d0caE8;
        }

        .timeline-time {
            flex-shrink: 0;
            width: 100px;
            text-align: center;
            background: rgba(18, 185, 129, 0.08);
            border-radius: 12px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            padding: 12px 4px;
            align-self: flex-start;
            color: #0d9d6f;
        }

        .timeline-time strong {
            display: block;
            font-size: 22px;
            line-height: 1.2;
        }

        .timeline-time span {
            font-size: 13px;
        }

        .timeline-content {
            flex: 1;
        }

        .timeline-content .annc-badge {
            display: inline-block;
            font-size: 12px;
            color: var(--primary);
            background: rgba(108, 59, 244, 0.08);
            border-radius: 20px;
            padding: 2px 10px;
            margin-bottom: 8px;
        }

        .timeline-content h3 {
            font-size: 16px;
            color: var(--text-main);
            margin-bottom: 6px;
            font-weight: 600;
        }

        .timeline-content p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-section {
            background: #EDEBF5;
            padding: clamp(50px, 7vw, 76px) 0;
        }

        .faq-area {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: center;
        }

        .faq-wrap {
            flex: 1;
            min-width: 260px;
        }

        .faq-item {
            background: #fff;
            border-radius: 14px;
            margin-bottom: 10px;
            border: 1px solid var(--border);
            overflow: hidden;
        }

        .faq-item summary {
            padding: 16px 20px;
            font-weight: 500;
            font-size: 16px;
            color: var(--text-main);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 12px;
            align-items: center;
            transition: background 0.25s;
            position: relative;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
            flex-shrink: 0;
        }

        .faq-item summary::after {
            content: '+';
            margin-left: auto;
            font-size: 20px;
            color: var(--text-light);
            transition: transform 0.25s ease;
            font-weight: 300;
        }

        .faq-item details[open] summary::after {
            transform: rotate(45deg);
        }

        @media (min-width: 768px) {
            .faq-item details[open] summary {
                color: var(--primary);
            }
        }

        .faq-item summary:focus-visible {
            outline: 2px solid rgba(108, 59, 244, 0.4);
            outline-offset: -2px;
        }

        .faq-answer {
            padding: 0 20px 18px 40px;
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.84;
            background: #FDFCFE;
        }

        .faq-answer p {
            margin-bottom: 10px;
        }

        /* bottom fixed */
        .quick-nav-toggle {
            display: none;
        }

        .gotop {
            position: fixed;
            right: 24px;
            bottom: 94px;
            z-index: 999;
            background: #fff;
            border-radius: 50%;
            box-shadow: 0 8px 24px rgba(18, 16, 42, 0.16);
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
        }

        .gotop:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .footer-nav {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        /* footer */
        .site-footer {
            background: var(--bg-deep);
            color: #b8b3d3;
            padding-top: 40px;
            font-size: 14px;
        }

        .footer-main {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 34px;
            padding-bottom: 36px;
        }

        .footer-brand h4 {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }

        .logo-badge {
            display: inline-flex;
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: var(--primary-gradient);
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
        }

        .footer-brand p {
            color: #8f8baa;
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 18px;
            max-width: 320px;
        }

        .footer-social {
            display: flex;
            gap: 8px;
        }

        .social-btn {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.06);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: background 0.2s, transform 0.2s;
            color: #b4b0ce;
        }

        .social-btn:hover {
            background: rgba(108, 59, 244, 0.3);
            color: #fff;
            transform: translateY(-3px);
        }

        .footer-title {
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            margin-bottom: 14px;
        }

        .footer-links li {
            margin-bottom: 10px;
            list-style: none;
        }

        .footer-links a {
            color: #9490ae;
            font-size: 14px;
            transition: color 0.2s;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 22px 0 26px;
            font-size: 13px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            color: #7b77a3;
        }

        .footer-bottom a {
            color: #9b98b5;
            margin: 0 4px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(108, 59, 244, 0.1);
            color: var(--primary);
        }

        .badge-outline {
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text-sub);
        }

        .footer-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 12px;
        }

        /* utility */
        .mt-24 {
            margin-top: 24px;
        }
        .mt-36 {
            margin-top: 36px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .footer-main {
                grid-template-columns: 1fr 1fr;
                gap: 26px;
            }

            .header-main {
                padding: 10px 20px;
            }

            .site-search {
                width: 300px;
            }

            .nav-menu {
                flex-wrap: nowrap;
            }
        }

        @media (max-width: 991px) {

            .header-center {
                order: 3;
                flex-basis: 100%;
                justify-content: center;
            }

            .site-search {
                width: 100%;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .nav-wrap {
                display: none;
                position: fixed;
                top: 0;
                right: 0;
                left: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
                transform: translateY(-4px);
                transition: transform 0.3s;
            }

            .nav-wrap.show {
                display: block;
                transform: translateY(0);
            }

            .nav-container {
                padding: 0 16px;
            }

            .nav-menu {
                flex-direction: column;
                padding: 8px 0 14px;
                gap: 4px;
                max-height: 80vh;
                overflow-y: auto;
            }

            .nav-menu a {
                font-size: 15px;
                padding: 12px 14px;
            }

            .mobile-toggle {
                display: flex;
                background: #fff;
                color: var(--text-main);
            }

            .nav-actions .hide-sm {
                display: none !important;
            }

            .header-top-tip {
                display: none;
            }

            .header-main {
                flex-wrap: wrap;
            }

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

            .wide-card {
                grid-template-columns: 1fr;
            }

            .wide-card .thumb {
                min-height: 130px;
            }

            .cta-box {
                padding: 28px 20px;
            }
        }

        @media (max-width: 520px) {
            .timeline-card {
                flex-direction: column;
                gap: 10px;
            }

            .timeline-time {
                width: 100%;
                flex-direction: row;
                justify-content: space-between;
                padding: 8px 12px;
            }

            .timeline-time strong {
                font-size: 20px;
            }

            h1 {
                font-size: 28px !important;
            }

            .content-section {
                padding-top: 40px;
                padding-bottom: 40px;
            }

            .footer-main {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 6px;
            }

            .section-link {
                display: none;
            }
        }

        @media (min-width: 992px) {
            .footer-main {
                grid-template-columns: 2fr 1fr 1fr 1.5fr;
            }
        }

        .focus-visible-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(108, 59, 244, 0.35);
            outline-offset: 2px;
        }

        /* theme misc */
        .badge-outline:hover {
            border-color: rgba(108, 59, 244, 0.3);
            color: var(--primary);
        }

        .banner-notify {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 26px;
            align-items: center;
            font-size: 14px;
            color: #b3afcd;
        }

        .banner-notify b {
            font-weight: 500;
            color: var(--accent);
        }