/* roulang page: index */
:root {
            --primary: #07182A;
            --secondary: #0E2138;
            --panel: rgba(255, 255, 255, 0.06);
            --stroke: rgba(255, 255, 255, 0.14);
            --mint: #00D7A8;
            --mint-rgb: 0, 215, 168;
            --amber: #FFC53D;
            --blue-info: #56C8FF;
            --txt: #F0F6FF;
            --txt2: #A3B6CC;
            --muted: #7289A5;
            --radius-lg: 20px;
            --radius: 16px;
            --radius-btn: 12px;
            --shadow: 0 16px 40px -18px rgba(0, 0, 0, 0.5);
            --transition: all .25s ease;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-stack);
            background-color: var(--primary);
            color: var(--txt);
            font-size: 16px;
            line-height: 1.75;
            overflow-x: hidden;
        }
        body::before {
            content: "";
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: radial-gradient(circle at 20% 20%, rgba(0, 215, 168, 0.06), transparent 30%),
                radial-gradient(circle at 80% 80%, rgba(86, 200, 255, 0.05), transparent 30%);
            pointer-events: none;
            z-index: 0;
        }
        a {
            color: var(--mint);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #00E8B5;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        p {
            margin-bottom: 0;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding: 96px 0;
            position: relative;
            z-index: 2;
        }
        .section-sm {
            padding: 64px 0;
        }
        .text-muted-custom {
            color: var(--muted);
        }
        .text-secondary-custom {
            color: var(--txt2);
        }

        /* Glass Panel */
        .glass-panel {
            background: var(--panel);
            border: 1px solid var(--stroke);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(12px);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        /* Button */
        .btn-mint {
            background: linear-gradient(135deg, #00D7A8, #00BFA0);
            color: #062323;
            font-weight: 600;
            border: none;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            box-shadow: 0 8px 24px -6px rgba(0, 215, 168, 0.3);
            letter-spacing: .02em;
        }
        .btn-mint:hover,
        .btn-mint:focus {
            background: linear-gradient(135deg, #00E5B4, #00CDA7);
            color: #062323;
            box-shadow: 0 0 0 3px rgba(0, 215, 168, 0.25), 0 12px 30px -6px rgba(0, 215, 168, 0.5);
            transform: translateY(-1px);
        }
        .btn-ghost {
            background: rgba(255, 255, 255, 0.04);
            color: var(--txt);
            border: 1px solid var(--stroke);
            font-weight: 500;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
        }
        .btn-ghost:hover,
        .btn-ghost:focus {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: rgba(255, 255, 255, .3);
            box-shadow: 0 0 20px rgba(0, 215, 168, .1);
            transform: translateY(-1px);
        }
        .btn-amber {
            background: var(--amber);
            color: #3A2A00;
            font-weight: 600;
            border: none;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
        }
        .btn-amber:hover {
            background: #FFD35D;
            color: #3A2A00;
            box-shadow: 0 0 0 3px rgba(255, 197, 61, .25);
            transform: scale(1.01);
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(7, 24, 42, 0.75);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
            padding: 8px 0 0;
        }
        .site-header.scrolled {
            box-shadow: 0 10px 30px rgba(0, 0, 0, .35);
            background: rgba(7, 24, 42, 0.92);
        }
        .header-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            padding-bottom: 8px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: -0.01em;
            color: #fff;
        }
        .logo i {
            color: var(--mint);
            font-size: 1.6rem;
            filter: drop-shadow(0 0 10px rgba(0, 215, 168, .4));
        }
        .logo:hover {
            color: var(--txt);
        }
        .header-search {
            flex: 1;
            max-width: 680px;
            position: relative;
            margin: 0 auto;
        }
        .header-search .fa-magnifying-glass {
            position: absolute;
            left: 18px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--muted);
            z-index: 2;
            font-size: .9rem;
        }
        .header-search .form-control {
            background: rgba(0, 0, 0, .22);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 50px;
            height: 48px;
            padding-left: 46px;
            color: #fff;
            transition: var(--transition);
            font-size: .95rem;
        }
        .header-search .form-control::placeholder {
            color: var(--muted);
        }
        .header-search .form-control:focus {
            background: rgba(0, 0, 0, .3);
            border-color: var(--mint);
            box-shadow: 0 0 0 4px rgba(0, 215, 168, .15);
            color: #fff;
        }
        .header-kbd {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 10px;
            padding: 2px 8px;
            background: rgba(255, 255, 255, .08);
            border-radius: 6px;
            color: var(--muted);
            border: 1px solid rgba(255, 255, 255, .1);
            pointer-events: none;
        }
        .header-cta {
            flex-shrink: 0;
        }
        .header-cta .btn {
            font-weight: 600;
        }
        .cat-strip {
            display: flex;
            gap: 10px;
            padding: 8px 0 10px;
            overflow-x: auto;
            align-items: center;
            scrollbar-width: none;
        }
        .cat-strip::-webkit-scrollbar {
            display: none;
        }
        .cat-chip {
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 50px;
            color: var(--txt2);
            padding: 6px 16px;
            font-size: 14px;
            white-space: nowrap;
            transition: var(--transition);
        }
        .cat-chip:hover {
            color: var(--mint);
            border-color: rgba(0, 215, 168, .35);
            background: rgba(0, 215, 168, .07);
        }
        .cat-chip.active {
            background: rgba(0, 215, 168, .14);
            color: var(--mint);
            border-color: rgba(0, 215, 168, .4);
            box-shadow: 0 0 16px rgba(0, 215, 168, .1);
            font-weight: 500;
        }
        .mobile-menu-bar {
            display: none;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 160px 0 80px;
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center center;
            z-index: -2;
        }
        .hero-bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(7, 24, 42, 0.96) 0%, rgba(7, 24, 42, 0.78) 45%, rgba(14, 33, 56, .4) 100%);
        }
        .hero .container-custom {
            display: grid;
            grid-template-columns: 1.15fr .85fr;
            gap: 60px;
            align-items: center;
        }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            background: rgba(0, 215, 168, .08);
            border-radius: 50px;
            border: 1px solid rgba(0, 215, 168, .3);
            color: var(--mint);
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 24px;
        }
        .hero h1 {
            font-size: clamp(2.2rem, 4.2vw, 3.6rem);
            font-weight: 700;
            line-height: 1.23;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 24px;
        }
        .hero h1 .mint-text {
            color: var(--mint);
        }
        .hero-sub {
            font-size: 1.25rem;
            color: var(--txt2);
            line-height: 1.8;
            max-width: 620px;
            margin-bottom: 40px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 52px;
        }
        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, .1);
            max-width: 520px;
        }
        .trust-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .trust-item .num {
            font-size: 22px;
            font-weight: 700;
            color: var(--amber);
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.01em;
        }
        .trust-item .lbl {
            font-size: 13px;
            color: var(--muted);
            letter-spacing: .02em;
        }
        .hero-visual {
            position: relative;
        }
        .hero-card {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .2);
            backdrop-filter: blur(14px);
            border-radius: 24px;
            padding: 14px;
            box-shadow: 0 30px 80px -20px rgba(0, 0, 0, .65);
            transform: rotate(1deg);
            transition: var(--transition);
        }
        .hero-card:hover {
            transform: rotate(0deg) scale(1.01);
        }
        .hero-card img {
            border-radius: 18px;
            width: 100%;
            aspect-ratio: 4/5;
            object-fit: cover;
        }
        .hero-card-caption {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 14px 6px 4px;
        }
        .hero-card-caption span {
            background: var(--amber);
            color: #3a2a00;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 50px;
        }
        .hero-card-caption small {
            color: var(--txt2);
            font-size: 13px;
        }
        .hero-badge-flow {
            position: absolute;
            left: -12px;
            top: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .7);
            backdrop-filter: blur(6px);
            border-radius: 12px;
            padding: 8px 16px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, .25);
            color: #062323;
            font-weight: 600;
            font-size: 13px;
        }
        .hero-badge-flow i {
            color: var(--mint);
        }

        /* ===== features bento ===== */
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .08em;
            color: var(--mint);
            text-transform: uppercase;
            margin-bottom: 16px;
        }
        .section-label::before {
            content: "";
            width: 22px;
            height: 2px;
            background: var(--mint);
        }
        .section-title {
            font-size: clamp(1.8rem, 3vw, 2.6rem);
            color: #fff;
            font-weight: 700;
            letter-spacing: -0.01em;
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--txt2);
            max-width: 600px;
            margin-bottom: 48px;
            line-height: 1.7;
        }
        .bento-grid {
            display: grid;
            grid-template-columns: 1.1fr .9fr;
            grid-auto-rows: minmax(190px, auto);
            gap: 20px;
        }
        .bento-card {
            border-radius: var(--radius-lg);
            padding: 34px;
            position: relative;
            overflow: hidden;
            border: 1px solid var(--stroke);
            background: var(--panel);
            backdrop-filter: blur(10px);
            transition: var(--transition);
        }
        .bento-card:hover {
            border-color: rgba(0, 215, 168, .4);
            box-shadow: 0 0 40px rgba(0, 215, 168, .07);
            transform: translateY(-3px);
        }
        .bento-big {
            grid-row: span 2;
            background-image: linear-gradient(to bottom right, rgba(0, 215, 168, .07), rgba(7, 24, 42, .3)), url('/assets/images/coverpic/cover-1.png');
            background-size: cover;
            background-position: center;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
        }
        .bento-big .bento-inner {
            background: rgba(7, 24, 42, .6);
            backdrop-filter: blur(4px);
            padding: 20px;
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, .15);
        }
        .bento-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 18px;
            background: rgba(0, 215, 168, .12);
            color: var(--mint);
        }
        .bento-icon.amber {
            background: rgba(255, 197, 61, .12);
            color: var(--amber);
        }
        .bento-icon.blue {
            background: rgba(86, 200, 255, .12);
            color: var(--blue-info);
        }
        .bento-card h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 10px;
        }
        .bento-card p {
            color: var(--txt2);
            font-size: .95rem;
            line-height: 1.7;
        }
        .bento-list {
            list-style: none;
            padding: 0;
            margin: 18px 0 0;
        }
        .bento-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, .07);
            color: var(--txt2);
            font-size: .95rem;
        }
        .bento-list li:last-child {
            border-bottom: none;
        }
        .bento-list li i {
            color: var(--mint);
            margin-top: 5px;
        }

        /* ===== demo section ===== */
        .demo-section {
            background: linear-gradient(180deg, transparent, rgba(14, 33, 56, .35), transparent);
        }
        .browser-window {
            border-radius: 20px;
            box-shadow: 0 30px 90px -15px rgba(0, 0, 0, .6);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, .15);
            background: #0a1522;
        }
        .browser-bar {
            display: flex;
            align-items: center;
            padding: 14px 20px;
            background: rgba(255, 255, 255, .03);
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            gap: 8px;
        }
        .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            display: inline-block;
        }
        .dot-red {
            background: #ff5f56;
        }
        .dot-yellow {
            background: #ffbd2e;
        }
        .dot-green {
            background: #27c93f;
        }
        .browser-bar .address {
            background: rgba(0, 0, 0, .3);
            border-radius: 50px;
            padding: 4px 16px;
            font-size: 12px;
            color: var(--muted);
            flex: 1;
            max-width: 380px;
            margin: 0 auto;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, .08);
        }
        .browser-body {
            padding: 0;
            position: relative;
        }
        .browser-body img {
            width: 100%;
            max-height: 560px;
            object-fit: cover;
        }
        .demo-overlay {
            position: absolute;
            bottom: 10px;
            left: 10px;
            right: 10px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: rgba(7, 24, 42, .6);
            backdrop-filter: blur(8px);
            padding: 12px 20px;
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, .1);
        }
        .play-btn {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .play-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--mint);
            color: #062323;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 20px rgba(0, 215, 168, .4);
        }
        .demo-hint {
            text-align: center;
            margin-top: 30px;
        }

        /* ===== news ===== */
        .news-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .news-headline {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--stroke);
            background: rgba(255, 255, 255, .03);
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }
        .news-headline:hover {
            transform: translateY(-3px);
            border-color: rgba(0, 215, 168, .3);
        }
        .news-headline .thumb {
            position: relative;
            height: 300px;
            overflow: hidden;
            background: var(--secondary);
        }
        .news-headline .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-headline .body {
            padding: 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-headline .body .meta {
            display: flex;
            gap: 14px;
            align-items: center;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 12px;
        }
        .badge-soft {
            background: rgba(0, 215, 168, .1);
            color: var(--mint);
            border: 1px solid rgba(0, 215, 168, .25);
            padding: 3px 10px;
            border-radius: 4px;
            font-size: 12px;
        }
        .news-headline .body h3 {
            font-size: 1.35rem;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.5;
            font-weight: 600;
        }
        .news-headline .body p {
            color: var(--txt2);
            font-size: .95rem;
            margin-bottom: 20px;
            line-height: 1.7;
        }
        .news-list-item {
            background: rgba(255, 255, 255, .03);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: var(--radius);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            padding: 20px 24px;
            transition: var(--transition);
            margin-bottom: 14px;
        }
        .news-list-item:hover {
            background: rgba(255, 255, 255, .07);
            border-color: rgba(0, 215, 168, .3);
            transform: translateX(4px);
        }
        .news-list-item .item-info {
            flex: 1;
            min-width: 0;
        }
        .news-list-item .item-info .topline {
            display: flex;
            gap: 10px;
            align-items: center;
            margin-bottom: 6px;
        }
        .news-list-item .item-info .topline .time {
            font-size: 12px;
            color: var(--muted);
        }
        .news-list-item .item-info h4 {
            font-size: 16px;
            margin-bottom: 4px;
            color: #fff;
            font-weight: 600;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-list-item .item-info p {
            color: var(--txt2);
            font-size: 13px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .item-arrow {
            color: var(--muted);
            font-size: 12px;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .news-list-item:hover .item-arrow {
            color: var(--mint);
            transform: translateX(3px);
        }
        .news-headline .btn-link,
        .news-list-item a {
            color: var(--mint);
            font-weight: 600;
        }
        .empty-state {
            text-align: center;
            background: rgba(255, 255, 255, .03);
            border: 1px dashed rgba(255, 255, 255, .14);
            border-radius: var(--radius);
            padding: 48px 20px;
            color: var(--muted);
        }
        .empty-state i {
            font-size: 42px;
            display: block;
            margin-bottom: 16px;
            color: rgba(255, 255, 255, .2);
        }
        .empty-state p {
            margin-bottom: 20px;
        }

        /* ===== proof section ===== */
        .proof-grid {
            display: grid;
            grid-template-columns: .9fr 1.1fr;
            gap: 36px;
            align-items: center;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .stat-card {
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: 16px;
            padding: 24px;
            text-align: center;
        }
        .stat-card .value {
            font-size: 2.4rem;
            font-weight: 700;
            color: #fff;
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .stat-card .value small {
            font-size: 1rem;
            color: var(--muted);
        }
        .stat-card .label {
            color: var(--muted);
            font-size: 13px;
            margin-top: 8px;
        }
        .proof-text h3 {
            color: #fff;
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.4;
        }
        .proof-text p {
            color: var(--txt2);
            margin-bottom: 18px;
        }
        .list-check {
            padding: 0;
            list-style: none;
            margin: 20px 0 0;
        }
        .list-check li {
            display: flex;
            gap: 12px;
            align-items: baseline;
            padding: 8px 0;
            color: var(--txt2);
        }
        .list-check li i {
            color: var(--mint);
            font-size: .9rem;
        }
        .cert-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 28px;
        }
        .cert-tag {
            border: 1px solid rgba(255, 255, 255, .16);
            background: rgba(255, 255, 255, .04);
            border-radius: 50px;
            padding: 8px 18px;
            font-size: 13px;
            color: var(--txt2);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cert-tag i {
            color: var(--amber);
        }

        /* ===== pricing ===== */
        .pricing-wrap {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .featured-pricing {
            background: linear-gradient(135deg, rgba(255, 197, 61, .08), rgba(255, 197, 61, .02));
            border: 1px solid rgba(255, 197, 61, .55);
            border-radius: var(--radius-lg);
            padding: 36px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            align-items: center;
            gap: 24px;
        }
        .featured-pricing .badge-line {
            color: var(--amber);
            background: rgba(255, 197, 61, .1);
            padding: 4px 12px;
            border-radius: 50px;
            display: inline-block;
            font-size: 12px;
        }
        .featured-pricing h3 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin: 16px 0 6px;
        }
        .featured-pricing .price {
            font-size: 1.4rem;
            color: var(--amber);
            font-weight: 700;
        }
        .featured-pricing p {
            color: var(--txt2);
        }
        .compare-table {
            background: rgba(255, 255, 255, .04);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, .08);
            overflow: hidden;
        }
        .compare-row {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            padding: 16px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, .07);
            align-items: center;
        }
        .compare-row:last-child {
            border-bottom: none;
        }
        .compare-row.header-row {
            background: rgba(255, 255, 255, .04);
            color: var(--txt2);
            font-size: 14px;
            font-weight: 600;
        }
        .compare-row>div {}
        .compare-row .col-price {
            color: var(--amber);
            font-weight: 600;
            font-variant-numeric: tabular-nums;
        }

        /* ===== faq ===== */
        .faq-wrap {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 880px;
            margin: 0 auto;
        }
        .faq-item {
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 16px;
            transition: var(--transition);
        }
        .faq-item:hover {
            background: rgba(255, 255, 255, .07);
            border-color: rgba(0, 215, 168, .3);
        }
        .faq-q {
            display: flex;
            gap: 16px;
            padding: 22px 24px;
            cursor: pointer;
            align-items: flex-start;
            margin-bottom: 0;
            font-weight: 600;
            color: #fff;
        }
        .faq-q .num {
            background: rgba(0, 215, 168, .12);
            color: var(--mint);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 14px;
        }
        .faq-a {
            padding: 0 24px 20px 72px;
            color: var(--txt2);
            line-height: 1.8;
        }
        .faq-a p {
            margin-bottom: 0;
        }
        .faq-a a {
            color: var(--mint);
            font-weight: 500;
        }
        .faq-wrap .collapse-trigger .faq-a {
            display: none;
        }
        .accordion-button {
            background: transparent !important;
            color: #fff !important;
            padding: 22px 24px 0;
            border: none;
            box-shadow: none !important;
        }
        .accordion-button::after {
            display: none;
        }
        .accordion-header .ab-order {
            background: rgba(0, 215, 168, .12);
            color: var(--mint);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-right: 14px;
            font-size: 14px;
            font-weight: 600;
            flex-shrink: 0;
        }
        .accordion-body {
            color: var(--txt2);
            line-height: 1.8;
            padding: 0 24px 24px 70px;
            border-bottom: 1px solid rgba(255, 255, 255, .12);
        }
        .faq-helper {
            text-align: center;
            margin-top: 32px;
        }
        .faq-helper .btn {
            border-radius: 50px;
            padding: 10px 24px;
            font-size: 14px;
        }

        /* ===== footer CTA ===== */
        .bottom-cta {
            background: linear-gradient(135deg, rgba(0, 215, 168, .1), rgba(7, 24, 42, .5)), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            border-radius: 24px;
            position: relative;
            overflow: hidden;
            text-align: center;
            padding: 70px 40px;
            border: 1px solid rgba(0, 215, 168, .2);
        }
        .bottom-cta h2 {
            font-size: 2rem;
            color: #fff;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .bottom-cta p {
            color: var(--txt2);
            max-width: 620px;
            margin: 0 auto 30px;
        }
        .bottom-cta .actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== footer ===== */
        .site-footer {
            padding: 60px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            position: relative;
            background: rgba(5, 16, 30, .6);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }
        .footer-grid h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-grid ul a {
            color: var(--txt2);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-grid ul a:hover {
            color: var(--mint);
        }
        .footer-brand p {
            color: var(--txt2);
            font-size: 14px;
            margin-top: 14px;
            line-height: 1.7;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .07);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: var(--muted);
        }
        .footer-bottom .copy {
            flex: 1;
            min-width: 220px;
        }
        .footer-bottom a {
            color: var(--txt2);
            font-size: 13px;
        }

        /* ===== floating ===== */
        .floating-cta {
            position: fixed;
            right: 26px;
            bottom: 26px;
            z-index: 1090;
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 215, 168, .2);
            border: 1px solid rgba(0, 215, 168, .6);
            backdrop-filter: blur(12px);
            color: #fff;
            padding: 12px 22px;
            border-radius: 50px;
            font-weight: 600;
            opacity: 0;
            transition: var(--transition);
            pointer-events: none;
            transform: translateY(10px);
            box-shadow: 0 10px 30px -5px rgba(0, 0, 0, .4);
        }
        .floating-cta.show {
            opacity: 1;
            pointer-events: auto;
            transform: translateY(0);
        }
        .floating-cta:hover {
            background: rgba(0, 215, 168, .35);
            color: #fff;
            box-shadow: 0 0 25px rgba(0, 215, 168, .2);
        }

        /* ===== responsive ===== */
        @media (max-width: 992px) {
            .section {
                padding: 70px 0;
            }
            .hero .container-custom {
                grid-template-columns: 1fr;
            }
            .hero {
                padding-top: 150px;
            }
            .hero-card {
                max-width: 480px;
                margin: 24px auto 0;
            }
            .bento-grid {
                grid-template-columns: 1fr;
            }
            .news-row {
                grid-template-columns: 1fr;
            }
            .proof-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .header-search {
                order: 3;
                flex-basis: 100%;
                max-width: 100%;
            }
            .mobile-menu-bar {
                display: flex;
            }
            .desktop-only-btn {
                display: none;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 60px 0;
            }
            .badge-help {
                display: none;
            }
            .featured-pricing {
                grid-template-columns: 1fr;
                padding: 28px;
            }
            .compare-row {
                grid-template-columns: 1fr 1fr;
            }
            .compare-row .hide-mobile {
                display: none;
            }
            .bottom-cta {
                padding: 48px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                justify-content: center;
                text-align: center;
            }
            .header-row {
                flex-wrap: wrap;
                gap: 12px;
            }
            .logo {
                font-size: 1.05rem;
            }
            .cat-chip {
                font-size: 13px;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-sub {
                font-size: 1.05rem;
            }
        }
        @media (max-width: 520px) {
            .section-title {
                font-size: 1.6rem;
            }
            .faq-helper {
                text-align: center;
            }
            .floating-cta {
                right: 14px;
                bottom: 14px;
                padding: 10px 16px;
                font-size: 13px;
            }
            .logo i {
                font-size: 1.2rem;
            }
            .header-search .form-control {
                height: 42px;
                font-size: .9rem;
            }
            .section-desc {
                margin-bottom: 32px;
            }
            .bento-card {
                padding: 24px;
            }
            .hero-card-caption small {
                font-size: 12px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #07182A;
            --bg-panel: #0E2138;
            --panel-glass: rgba(255, 255, 255, 0.06);
            --glass-border: rgba(255, 255, 255, 0.14);
            --mint: #00D7A8;
            --gold: #FFC53D;
            --info: #56C8FF;
            --text-main: #F0F6FF;
            --text-sub: #A3B6CC;
            --muted: #7289A5;
            --card-radius: 16px;
            --box-radius: 20px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
            --shadow-card: 0 16px 40px -18px rgba(0, 0, 0, 0.5);
            --transition: all .25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background: var(--bg-deep);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        body::before {
            content: "";
            position: fixed;
            inset: 0;
            z-index: -2;
            background:
                radial-gradient(640px 320px at 15% 0%, rgba(0, 215, 168, 0.11), transparent 60%),
                radial-gradient(720px 380px at 90% 8%, rgba(86, 200, 255, 0.08), transparent 60%),
                var(--bg-deep);
        }

        body::after {
            content: "";
            position: fixed;
            inset: 0;
            z-index: -1;
            pointer-events: none;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
            background-size: 72px 72px;
            mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .7), transparent 80%);
        }

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

        a:hover {
            color: #5EF0C5;
        }

        img {
            max-width: 100%;
        }

        ul,
        ol {
            padding-left: 0;
            margin: 0;
        }

        .container-custom {
            width: min(1200px, 92%);
            margin: auto;
        }

        ::selection {
            background: rgba(0, 215, 168, .28);
            color: #fff;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            background: rgba(7, 24, 42, 0.76);
            backdrop-filter: blur(18px) saturate(160%);
            -webkit-backdrop-filter: blur(18px) saturate(160%);
            border-bottom: 1px solid rgba(255, 255, 255, .1);
            transition: background .3s ease, box-shadow .3s ease, border-color .3s ease;
        }

        .site-header.scrolled {
            background: rgba(5, 17, 31, .92);
            border-bottom-color: rgba(0, 215, 168, .22);
            box-shadow: 0 16px 44px -20px rgba(0, 0, 0, .6);
        }

        .site-header .container-custom {
            padding-top: 14px;
            padding-bottom: 10px;
        }

        .header-row {
            display: flex;
            align-items: center;
            gap: 18px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text-main);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo i {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            font-size: 18px;
            color: var(--bg-deep);
            background: linear-gradient(135deg, var(--mint), #20E3B2);
            box-shadow: 0 0 18px rgba(0, 215, 168, .35);
        }

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

        .logo:hover span {
            color: var(--mint);
        }

        .header-search {
            position: relative;
            width: 100%;
            max-width: 520px;
            margin: 0 auto;
            flex-shrink: 1;
        }

        .header-search>i {
            position: absolute;
            left: 18px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 14px;
            color: var(--muted);
            z-index: 2;
            pointer-events: none;
        }

        .header-search .form-control {
            width: 100%;
            height: 48px;
            padding: 0 62px 0 46px;
            border-radius: 50px;
            font-size: 14px;
            color: var(--text-main);
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .15);
            transition: var(--transition);
        }

        .header-search .form-control::placeholder {
            color: var(--muted);
        }

        .header-search .form-control:focus {
            background: rgba(255, 255, 255, .1);
            border-color: var(--mint);
            box-shadow: 0 0 0 4px rgba(0, 215, 168, .18);
            outline: none;
        }

        .header-kbd {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 11px;
            line-height: 1;
            color: var(--text-sub);
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .16);
            border-radius: 8px;
            padding: 6px 8px;
            pointer-events: none;
            font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
        }

        .header-cta .btn {
            border-radius: 50px;
        }

        .desktop-only-btn {
            white-space: nowrap;
        }

        .menu-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 12px;
            background: rgba(255, 255, 255, .06);
            color: var(--text-main);
            font-size: 17px;
        }

        .menu-toggle:focus {
            outline: none;
            border-color: var(--mint);
            box-shadow: 0 0 0 4px rgba(0, 215, 168, .18);
        }

        .cat-strip {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 14px;
            flex-wrap: wrap;
            transition: opacity .25s ease, transform .25s ease;
        }

        .cat-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-sub);
            border: 1px solid rgba(255, 255, 255, .15);
            background: transparent;
            transition: var(--transition);
            white-space: nowrap;
        }

        .cat-chip i {
            font-size: 12px;
            opacity: .85;
        }

        .cat-chip:hover {
            color: var(--mint);
            border-color: rgba(0, 215, 168, .45);
            background: rgba(0, 215, 168, .1);
            transform: translateY(-2px);
        }

        .cat-chip.active {
            color: #07182A;
            background: linear-gradient(135deg, var(--mint), #00E2B1);
            border-color: transparent;
            box-shadow: 0 0 18px rgba(0, 215, 168, .28);
            font-weight: 600;
        }

        .cat-chip.active:hover {
            color: #07182A;
            background: linear-gradient(135deg, #24DFB5, #00D7A8);
        }

        .category-hero {
            position: relative;
            padding: 170px 0 58px;
            background:
                linear-gradient(180deg, rgba(7, 24, 42, .36), rgba(7, 24, 42, .95)),
                url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .category-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            pointer-events: none;
            background: radial-gradient(480px 240px at 72% 30%, rgba(0, 215, 168, .14), transparent 70%);
        }

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

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 22px;
            flex-wrap: wrap;
        }

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

        .breadcrumb-custom a:hover {
            color: var(--mint);
        }

        .breadcrumb-custom span.sep {
            color: var(--muted);
            font-size: 12px;
        }

        .breadcrumb-custom .current {
            color: var(--mint);
        }

        .category-hero h1 {
            font-size: clamp(36px, 4.6vw, 54px);
            font-weight: 700;
            letter-spacing: -0.01em;
            line-height: 1.18;
            margin: 0 0 18px;
            display: flex;
            align-items: baseline;
            gap: 12px;
            flex-wrap: wrap;
        }

        .category-hero h1 .divider-dot {
            color: var(--gold);
            font-size: .58em;
            font-weight: 400;
        }

        .category-hero h1 .keyword-w {
            color: var(--mint);
        }

        .category-hero .lead-text {
            max-width: 780px;
            color: var(--text-sub);
            font-size: 16px;
            line-height: 1.85;
            margin: 0;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px 30px;
            margin-top: 26px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, .1);
        }

        .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--muted);
            font-size: 13px;
        }

        .hero-meta i {
            color: var(--info);
        }

        .category-body {
            padding: 90px 0 30px;
        }

        .category-layout {
            display: grid;
            grid-template-columns: 300px minmax(0, 1fr);
            gap: 48px;
            align-items: start;
        }

        .side-nav-wrap {
            position: sticky;
            top: 138px;
        }

        .side-nav-card {
            padding: 26px 22px;
            background: rgba(255, 255, 255, .055);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: var(--box-radius);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .side-nav-card:hover {
            border-color: rgba(255, 255, 255, .2);
        }

        .nav-eyebrow {
            font-size: 13px;
            color: var(--gold);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-title {
            font-size: 19px;
            font-weight: 600;
            margin: 0 0 20px;
            color: var(--text-main);
        }

        .side-anchor-list {
            list-style: none;
        }

        .side-anchor-list li+li {
            border-top: 1px solid rgba(255, 255, 255, .07);
        }

        .side-anchor-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 8px;
            color: var(--text-sub);
            font-size: 14px;
            border-radius: 10px;
            transition: var(--transition);
        }

        .side-anchor-list a .num {
            font-size: 12px;
            color: var(--muted);
            width: 20px;
        }

        .side-anchor-list a:hover {
            color: var(--mint);
            background: rgba(0, 215, 168, .08);
        }

        .side-anchor-list a.active {
            color: var(--mint);
            background: rgba(0, 215, 168, .12);
        }

        .side-anchor-list a.active .num {
            color: var(--mint);
        }

        .guide-content {
            min-width: 0;
        }

        .guide-section {
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: var(--box-radius);
            padding: clamp(26px, 4vw, 44px);
            margin-bottom: 34px;
            transition: var(--transition);
            scroll-margin-top: 150px;
            position: relative;
            overflow: hidden;
        }

        .guide-section:hover {
            border-color: rgba(255, 255, 255, .2);
            box-shadow: var(--shadow-card);
        }

        .guide-section::after {
            content: "";
            position: absolute;
            width: 180px;
            height: 180px;
            right: -70px;
            top: -80px;
            background: radial-gradient(circle, rgba(0, 215, 168, .12), transparent 62%);
            pointer-events: none;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 13px;
            color: var(--mint);
            background: rgba(0, 215, 168, .1);
            border: 1px solid rgba(0, 215, 168, .2);
            margin-bottom: 16px;
        }

        .section-tag i {
            font-size: 12px;
        }

        .guide-section h2 {
            font-size: clamp(25px, 2.6vw, 32px);
            font-weight: 700;
            letter-spacing: -0.01em;
            margin: 0 0 18px;
            color: var(--text-main);
            line-height: 1.3;
        }

        .guide-section h3 {
            font-size: 20px;
            font-weight: 600;
            margin: 26px 0 14px;
            color: var(--text-main);
        }

        .guide-section p {
            color: var(--text-sub);
            margin-bottom: 14px;
        }

        .guide-section strong {
            color: var(--text-main);
            font-weight: 600;
        }

        .check-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-top: 18px;
        }

        .check-grid li {
            list-style: none;
            display: flex;
            gap: 10px;
            align-items: flex-start;
            padding: 12px 14px;
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: 12px;
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.7;
        }

        .check-grid i {
            color: var(--mint);
            margin-top: 4px;
            flex-shrink: 0;
        }

        .media-frame {
            margin: 22px 0 4px;
            border-radius: var(--card-radius);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, .12);
            box-shadow: 0 18px 42px -18px rgba(0, 0, 0, .5);
            position: relative;
        }

        .media-frame img {
            width: 100%;
            display: block;
            min-height: 160px;
            object-fit: cover;
        }

        .media-frame figcaption {
            position: absolute;
            left: 14px;
            bottom: 14px;
            padding: 6px 12px;
            border-radius: 8px;
            font-size: 13px;
            color: var(--text-main);
            background: rgba(7, 24, 42, .72);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, .14);
        }

        .step-list {
            list-style: none;
            counter-reset: step;
            margin: 20px 0 0;
        }

        .step-list li {
            counter-increment: step;
            position: relative;
            padding: 0 0 0 64px;
            margin-bottom: 20px;
            color: var(--text-sub);
        }

        .step-list li::before {
            content: counter(step, decimal-leading-zero);
            position: absolute;
            left: 0;
            top: 0;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--bg-deep);
            font-weight: 700;
            font-size: 15px;
            background: linear-gradient(135deg, var(--mint), #30E6BB);
            box-shadow: 0 0 16px rgba(0, 215, 168, .22);
        }

        .step-list li::after {
            content: "";
            position: absolute;
            left: 21px;
            top: 52px;
            width: 1px;
            height: calc(100% - 40px);
            background: rgba(255, 255, 255, .14);
        }

        .step-list li:last-child::after {
            opacity: 0;
        }

        .step-list strong {
            display: block;
            color: var(--text-main);
            margin-bottom: 4px;
            font-size: 15px;
        }

        .two-col-copy {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .tip-panel {
            padding: 20px;
            border-radius: var(--card-radius);
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .09);
        }

        .tip-panel.highlight-warning {
            border-color: rgba(255, 197, 61, .38);
            background: linear-gradient(135deg, rgba(255, 197, 61, .08), rgba(255, 255, 255, .045));
        }

        .tip-panel.highlight-blue {
            border-color: rgba(86, 200, 255, .35);
            background: linear-gradient(135deg, rgba(86, 200, 255, .1), rgba(255, 255, 255, .04));
        }

        .tip-panel h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 9px;
        }

        .tip-panel h4 i {
            color: var(--gold);
        }

        .tip-panel.highlight-blue h4 i {
            color: var(--info);
        }

        .tip-panel p {
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.8;
            margin: 0;
        }

        .inline-list {
            margin: 15px 0 0;
        }

        .inline-list li {
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px dashed rgba(255, 255, 255, .12);
            padding: 11px 2px;
            font-size: 15px;
        }

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

        .inline-list .label {
            color: var(--text-sub);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .inline-list .label i {
            color: var(--info);
            width: 18px;
            text-align: center;
        }

        .inline-list .status {
            color: var(--mint);
            font-size: 13px;
            padding: 4px 10px;
            border-radius: 50px;
            background: rgba(0, 215, 168, .12);
            white-space: nowrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            border-radius: 12px;
            font-weight: 500;
            padding: 12px 22px;
            transition: var(--transition);
            border: 1px solid transparent;
            line-height: 1.4;
        }

        .btn-mint {
            background: linear-gradient(135deg, #1AE0B0, #00D7A8);
            color: #04151F;
            font-weight: 600;
            box-shadow: 0 8px 22px -8px rgba(0, 215, 168, .38);
        }

        .btn-mint:hover {
            color: #07182A;
            transform: translateY(-2px);
            box-shadow: 0 0 0 4px rgba(0, 215, 168, .2), 0 14px 28px -10px rgba(0, 215, 168, .4);
        }

        .btn-mint:focus-visible,
        .btn-ghost:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(0, 215, 168, .3);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, .07);
            border-color: rgba(255, 255, 255, .18);
            color: var(--text-main);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, .08);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, .12);
            color: var(--mint);
            border-color: rgba(0, 215, 168, .45);
            transform: translateY(-2px);
        }

        .btn-gold {
            background: linear-gradient(135deg, #FFC53D, #F5A800);
            color: #241900;
            font-weight: 600;
            box-shadow: 0 8px 24px -10px rgba(255, 197, 61, 0.35);
        }

        .btn-gold:hover {
            color: #171100;
            transform: translateY(-2px);
            box-shadow: 0 0 0 4px rgba(255, 197, 61, .24);
        }

        .cta-link-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 28px;
        }

        .guide-section.section-emphasis {
            border-color: rgba(0, 215, 168, .32);
            box-shadow: 0 18px 46px -22px rgba(0, 215, 168, .3);
        }

        .mini-callout {
            margin-top: 24px;
            padding: 18px 20px;
            border-radius: var(--card-radius);
            border-left: 3px solid var(--gold);
            background: rgba(255, 197, 61, .08);
        }

        .mini-callout p {
            margin: 0;
            color: var(--text-sub);
            font-size: 15px;
        }

        .mini-callout p strong {
            color: var(--gold);
            margin-right: 5px;
        }

        .cross-nav {
            padding: 46px 0 80px;
            scroll-margin-top: 140px;
        }

        .cross-card {
            background: linear-gradient(135deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .04));
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: var(--box-radius);
            padding: clamp(28px, 5vw, 48px);
            overflow: hidden;
            position: relative;
        }

        .cross-card::after {
            content: "";
            position: absolute;
            right: -90px;
            bottom: -100px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 215, 168, .26), transparent 70%);
        }

        .cross-card .cross-title {
            font-size: 24px;
            font-weight: 700;
            margin: 0 0 8px;
        }

        .cross-card p {
            color: var(--text-sub);
            max-width: 700px;
            margin: 0 0 24px;
        }

        .site-footer {
            background: #06101E;
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 64px 0 34px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2.2fr 1fr 1fr 1.2fr;
            gap: 40px;
        }

        .footer-brand .logo {
            margin-bottom: 14px;
        }

        .footer-brand>p {
            color: var(--muted);
            max-width: 330px;
        }

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

        .site-footer ul {
            list-style: none;
        }

        .site-footer ul li+li {
            margin-top: 10px;
        }

        .site-footer ul a {
            color: var(--muted);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .site-footer ul a::before {
            content: "";
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--mint);
            opacity: .65;
            flex-shrink: 0;
        }

        .site-footer ul a:hover {
            color: var(--mint);
            padding-left: 3px;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 28px;
            margin-top: 50px;
            border-top: 1px solid rgba(255, 255, 255, .1);
            color: var(--muted);
            font-size: 13px;
        }

        .footer-bottom .copy {
            color: var(--text-sub);
        }

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

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

        .faq-accordion {
            margin-top: 24px;
            --bs-accordion-bg: transparent;
            --bs-accordion-border-color: rgba(255, 255, 255, .14);
            --bs-accordion-color: var(--text-sub);
        }

        .faq-accordion .accordion-item {
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 14px !important;
            overflow: hidden;
            margin-bottom: 16px;
            transition: var(--transition);
        }

        .faq-accordion .accordion-item:focus-within {
            border-color: var(--mint);
            box-shadow: 0 0 0 4px rgba(0, 215, 168, .15);
        }

        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--text-main);
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 600;
            padding: 18px 22px;
            box-shadow: none;
            gap: 12px;
        }

        .faq-accordion .accordion-button::after {
            background: none;
            content: "+";
            font-family: sans-serif;
            font-weight: 400;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background-color: rgba(0, 215, 168, .12);
            color: var(--mint);
            font-size: 22px;
            line-height: 1;
            flex-shrink: 0;
        }

        .faq-accordion .accordion-button:not(.collapsed)::after {
            content: "\2212";
            transform: none;
            color: var(--bg-deep);
            background-color: var(--mint);
        }

        .faq-accordion .accordion-body {
            color: var(--text-sub);
            padding: 0 22px 20px;
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 18px;
            font-size: 14px;
            line-height: 1.8;
        }

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

        .faq-accordion .accordion-body a {
            color: var(--mint);
        }

        @media (min-width: 992px) and (max-width: 1199px) {
            .header-search .form-control {
                font-size: 13px;
            }
        }

        @media (max-width: 991px) {
            .header-cta.desktop-only-btn {
                display: none;
            }

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

            .side-nav-wrap {
                position: static;
            }

            .side-nav-card {
                border-radius: 18px;
            }

            .side-anchor-list {
                display: flex;
                gap: 8px;
                overflow-x: auto;
                padding-bottom: 4px;
            }

            .side-anchor-list li {
                border: 0 !important;
            }

            .side-anchor-list a {
                white-space: nowrap;
                padding: 10px 14px;
                border: 1px solid rgba(255, 255, 255, .1);
                border-radius: 50px;
                background: rgba(255, 255, 255, .04);
            }

            .side-anchor-list a .num {
                width: auto;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 767px) {
            .category-hero {
                padding: 128px 0 36px;
            }

            .category-body {
                padding: 58px 0 28px;
            }

            .header-row {
                gap: 10px;
            }

            .logo {
                font-size: 17px;
            }

            .logo i {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }

            .cat-strip {
                flex-wrap: nowrap;
                overflow-x: auto;
                scrollbar-width: none;
                margin-right: -6px;
            }

            .cat-strip::-webkit-scrollbar {
                display: none;
            }

            .cat-chip {
                flex-shrink: 0;
            }

            .header-search .form-control {
                height: 42px;
            }

            .menu-toggle {
                display: inline-flex;
                margin-left: auto;
                flex-shrink: 0;
            }

            .header-search {
                max-width: 100%;
            }

            .header-search .form-control {
                padding-right: 16px;
            }

            .header-kbd {
                display: none;
            }

            .banner-header h1 {
                font-size: 32px;
            }

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

            .two-col-copy {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .guide-section {
                padding: 24px 18px;
                margin-bottom: 22px;
            }

            .cta-link-row .btn {
                width: 100%;
            }

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

            .footer-bottom {
                justify-content: flex-start;
            }

            .hero-meta span {
                font-size: 12px;
            }

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

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 28px;
            }

            .side-anchor-list a {
                font-size: 13px;
            }

            .header-row {
                flex-wrap: nowrap;
            }
        }

/* roulang page: article */
:root {
            --bg-deep: #07182A;
            --bg-panel: #0E2138;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-border: rgba(255, 255, 255, 0.14);
            --mint: #00D7A8;
            --gold: #FFC53D;
            --info-blue: #56C8FF;
            --text-main: #F0F6FF;
            --text-secondary: #A3B6CC;
            --text-muted: #7289A5;
            --glow: rgba(0, 215, 168, 0.45);
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-card: 0 16px 40px -18px rgba(0, 0, 0, 0.5);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

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

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

        a:hover {
            color: #4ef0c5;
        }

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

        ul,
        ol {
            margin: 0;
            padding: 0;
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ---------- 按钮组件 ---------- */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            font-family: var(--font-family);
            font-weight: 600;
            padding: 12px 22px;
            line-height: 1.4;
            transition: all .25s ease;
        }

        .btn:focus,
        .btn:active:focus {
            box-shadow: 0 0 0 3px var(--glow);
            outline: none;
        }

        .btn-mint {
            background: linear-gradient(135deg, #00D7A8 0%, #00b894 100%);
            border: none;
            color: #06251f !important;
            box-shadow: 0 6px 20px rgba(0, 215, 168, 0.25);
        }

        .btn-mint:hover {
            transform: translateY(-2px);
            color: #03231d !important;
            box-shadow: 0 10px 30px rgba(0, 215, 168, 0.4);
        }

        .btn-outline-soft {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: var(--text-main);
            backdrop-filter: blur(10px);
        }

        .btn-outline-soft:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--mint);
            border-color: rgba(0, 215, 168, 0.5);
        }

        .btn-sm {
            padding: 9px 16px;
            font-size: 14px;
            border-radius: 10px;
        }

        /* ---------- 顶栏 ---------- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(7, 24, 42, 0.88);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
        }

        .header-row {
            display: flex;
            align-items: center;
            gap: 24px;
            padding: 14px 0 8px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--text-main);
            font-size: 22px;
            font-weight: 700;
            white-space: nowrap;
            letter-spacing: -0.01em;
            transition: opacity .25s ease;
        }

        .logo i {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(145deg, rgba(0, 215, 168, 0.22), rgba(0, 215, 168, 0.05));
            border: 1px solid rgba(0, 215, 168, 0.4);
            border-radius: 12px;
            color: var(--mint);
            font-size: 17px;
        }

        .logo:hover {
            color: var(--mint);
        }

        .header-search {
            position: relative;
            flex: 1;
            max-width: 560px;
        }

        .header-search>.fa-magnifying-glass {
            position: absolute;
            left: 18px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 15px;
            z-index: 2;
            pointer-events: none;
        }

        .header-search .form-control {
            width: 100%;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.16);
            color: var(--text-main);
            border-radius: 50px;
            padding: 11px 20px 11px 45px;
            height: 48px;
            font-size: 14px;
            font-family: var(--font-family);
            transition: all .25s ease;
        }

        .header-search .form-control::placeholder {
            color: var(--text-muted);
        }

        .header-search .form-control:focus {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--mint);
            box-shadow: 0 0 0 4px rgba(0, 215, 168, 0.15);
            color: var(--text-main);
        }

        .header-kbd {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 11px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 2px 8px;
            border-radius: 6px;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.05);
            letter-spacing: .5px;
        }

        .header-cta {
            margin-left: auto;
            flex-shrink: 0;
        }

        .cat-strip {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0 14px;
            flex-wrap: wrap;
        }

        .cat-chip {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.14);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            transition: all .25s ease;
        }

        .cat-chip:hover,
        .cat-chip.active {
            background: rgba(0, 215, 168, 0.15);
            border-color: rgba(0, 215, 168, 0.45);
            color: var(--mint);
            box-shadow: 0 0 18px rgba(0, 215, 168, 0.12);
        }

        /* ---------- 面包屑 ---------- */
        .breadcrumb-area {
            background: linear-gradient(135deg, rgba(7, 24, 42, 0.92), rgba(14, 33, 56, 0.78)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 36px 0 34px;
        }

        .breadcrumb-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .breadcrumb-item a {
            color: var(--text-secondary);
        }

        .breadcrumb-item a:hover {
            color: var(--mint);
        }

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

        .crumb-current {
            color: var(--text-secondary);
            max-width: 360px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .breadcrumb-item .active-link {
            color: var(--mint);
        }

        /* ---------- 文章页主体 ---------- */
        .article-page-container {
            padding: 42px 0 70px;
            background:
                radial-gradient(circle at 85% 5%, rgba(0, 215, 168, 0.06), transparent 320px),
                radial-gradient(circle at 10% 60%, rgba(86, 200, 255, 0.04), transparent 300px);
        }

        .article-single {
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid rgba(255, 255, 255, 0.12);
            padding: 32px 34px 28px;
            box-shadow: var(--shadow-card);
        }

        .article-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            background: rgba(255, 197, 61, 0.13);
            border: 1px solid rgba(255, 197, 61, 0.32);
            color: var(--gold);
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 18px;
        }

        .article-title-single {
            font-weight: 700;
            font-size: clamp(28px, 4vw, 42px);
            line-height: 1.35;
            letter-spacing: -0.01em;
            color: var(--text-main);
            margin-bottom: 16px;
        }

        .article-meta-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px;
            color: var(--text-muted);
            font-size: 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 12px 0;
            margin-bottom: 24px;
        }

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

        .article-meta-row i {
            color: var(--mint);
            font-size: 13px;
        }

        .article-cover {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 28px;
            box-shadow: 0 18px 40px -22px rgba(0, 0, 0, 0.7);
        }

        .article-cover img {
            width: 100%;
            aspect-ratio: 16 / 8.5;
            object-fit: cover;
        }

        /* ---------- 正文排版 ---------- */
        .article-body-content {
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.9;
            word-wrap: break-word;
            max-width: 100%;
        }

        .article-body-content p {
            margin: 0 0 20px;
        }

        .article-body-content h2 {
            font-size: 24px;
            font-weight: 700;
            margin: 42px 0 18px;
            color: var(--text-main);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            padding-bottom: 12px;
        }

        .article-body-content h3 {
            font-size: 20px;
            font-weight: 600;
            margin: 32px 0 12px;
            color: var(--text-main);
        }

        .article-body-content a {
            color: var(--mint);
            text-decoration: underline;
            text-underline-position: under;
        }

        .article-body-content blockquote {
            background: rgba(0, 215, 168, 0.07);
            border-left: 4px solid var(--mint);
            padding: 16px 22px;
            margin: 28px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: normal;
        }

        .article-body-content pre {
            background: #07121f;
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-sm);
            padding: 18px;
            overflow-x: auto;
            font-family: "SFMono-Regular", Consolas, monospace;
            color: #cfe3f5;
            font-size: 14px;
            line-height: 1.7;
            margin: 24px 0;
        }

        .article-body-content code {
            background: rgba(0, 215, 168, 0.1);
            border-radius: 5px;
            padding: 2px 6px;
            color: var(--mint);
            font-family: "SFMono-Regular", Consolas, monospace;
            font-size: 0.9em;
        }

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

        .article-body-content ul,
        .article-body-content ol {
            margin: 0 0 20px;
            padding-left: 22px;
        }

        .article-body-content li {
            margin-bottom: 8px;
        }

        .article-body-content img {
            border-radius: var(--radius-md);
            margin: 22px 0;
        }

        .article-body-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 22px 0;
            font-size: 15px;
        }

        .article-body-content th,
        .article-body-content td {
            border: 1px solid rgba(255, 255, 255, 0.14);
            padding: 12px 14px;
            background: rgba(255, 255, 255, 0.02);
        }

        .article-body-content th {
            background: rgba(0, 215, 168, 0.08);
            color: var(--mint);
            font-weight: 600;
        }

        .article-body-content hr {
            border: none;
            height: 1px;
            background: rgba(255, 255, 255, 0.1);
            margin: 36px 0;
        }

        /* ---------- 正文底部标签 / 扩展阅读 ---------- */
        .article-tag-footer {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin: 28px 0 0;
            padding-top: 22px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .article-tag-footer i {
            color: var(--gold);
            margin-top: 5px;
        }

        .keyword-chip {
            display: inline-block;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--text-secondary);
            padding: 5px 14px;
            border-radius: 50px;
            font-size: 13px;
            margin: 0 8px 8px 0;
        }

        .article-links-near {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
            margin-top: 24px;
        }

        .rel-card {
            display: block;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-sm);
            padding: 16px;
            color: var(--text-main);
            transition: all .25s ease;
        }

        .rel-card span {
            display: block;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 5px;
        }

        .rel-card strong {
            font-weight: 600;
            color: var(--text-secondary);
            font-size: 15px;
        }

        .rel-card:hover {
            border-color: rgba(0, 215, 168, 0.4);
            color: var(--mint);
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
        }

        /* ---------- 未找到内容 ---------- */
        .not-found-card {
            border-radius: var(--radius-lg);
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            padding: 84px 32px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        .not-found-icon {
            width: 72px;
            height: 72px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 215, 168, 0.1);
            border: 1px solid rgba(0, 215, 168, 0.3);
            border-radius: 22px;
            color: var(--mint);
            font-size: 28px;
            margin-bottom: 20px;
        }

        .not-found-card h1 {
            font-size: 34px;
            font-weight: 700;
            margin-bottom: 10px;
        }

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

        /* ---------- 侧栏 ---------- */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 22px;
        }

        .widget-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all .25s ease;
        }

        .widget-card:hover {
            border-color: rgba(255, 255, 255, 0.22);
        }

        .side-title {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-main);
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .side-title i {
            color: var(--mint);
            font-size: 15px;
        }

        .side-info-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .side-info-list li {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 14px;
            border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
            padding-bottom: 10px;
        }

        .side-info-list li:last-child {
            border-bottom: none;
        }

        .info-label {
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .info-value {
            color: var(--text-secondary);
            text-align: right;
            padding-left: 14px;
            word-break: break-all;
        }

        .side-cat-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .side-cat-list li a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--text-secondary);
            padding: 12px 13px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid transparent;
            font-size: 15px;
            transition: all .25s ease;
        }

        .side-cat-list li a i {
            color: var(--text-muted);
            font-size: 12px;
        }

        .side-cat-list li a:hover {
            background: rgba(0, 215, 168, 0.12);
            border-color: rgba(0, 215, 168, 0.2);
            color: var(--mint);
        }

        .side-cat-list li a:hover i {
            color: var(--mint);
        }

        .side-cat-list .active-cat {
            background: rgba(0, 215, 168, 0.12);
            border-color: rgba(0, 215, 168, 0.22);
            color: var(--mint);
        }

        .side-empty {
            color: var(--text-muted);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .side-empty i {
            color: var(--text-secondary);
            font-size: 20px;
        }

        .cta-side-card {
            background: linear-gradient(135deg, rgba(0, 215, 168, 0.1), rgba(14, 33, 56, 0.4)), var(--glass-bg);
            border: 1px solid rgba(0, 215, 168, 0.18);
            border-radius: var(--radius-md);
            padding: 24px;
            position: relative;
            overflow: hidden;
        }

        .cta-side-card::after {
            content: "";
            width: 120px;
            height: 120px;
            border-radius: 50%;
            position: absolute;
            right: -40px;
            bottom: -48px;
            background: radial-gradient(circle, rgba(0, 215, 168, 0.3), transparent 70%);
        }

        .cta-side-card p {
            color: var(--text-secondary);
            margin-bottom: 18px;
            font-size: 15px;
        }

        /* ---------- 底部通栏 CTA ---------- */
        .article-more-area {
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            padding: 44px 36px;
            margin-top: 30px;
            display: flex;
            flex-direction: row;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 22px;
            box-shadow: var(--shadow-card);
        }

        .article-more-area h2 {
            font-size: 26px;
            font-weight: 700;
            margin: 0 0 8px;
        }

        .article-more-area p {
            color: var(--text-secondary);
            margin: 0;
        }

        .article-more-links {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .more-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 18px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: var(--text-secondary);
            font-size: 14px;
            transition: all .25s ease;
        }

        .more-chip:hover {
            color: var(--mint);
            background: rgba(0, 215, 168, 0.12);
            border-color: rgba(0, 215, 168, 0.4);
            transform: translateY(-2px);
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: #05111D;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 62px 0 24px;
            color: var(--text-secondary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
            gap: 44px;
            padding-bottom: 34px;
        }

        .footer-brand .logo {
            margin-bottom: 12px;
        }

        .footer-brand p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
            margin-top: 14px;
        }

        .footer-grid h4 {
            color: var(--text-main);
            font-size: 16px;
            margin-bottom: 18px;
            font-weight: 600;
        }

        .footer-grid ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-grid ul li a {
            color: var(--text-secondary);
            font-size: 14px;
        }

        .footer-grid ul li a:hover {
            color: var(--mint);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 14px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--text-muted);
            font-size: 13px;
        }

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

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

        /* ---------- 浮动 CTA ---------- */
        .floating-cta {
            position: fixed;
            right: 24px;
            bottom: 26px;
            z-index: 1080;
            background: rgba(0, 215, 168, 0.82);
            border: 1px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(12px);
            color: #06251f;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 20px;
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(12px);
            transition: all .35s ease;
            box-shadow: 0 10px 28px rgba(0, 0, 0, 0.3);
        }

        .floating-cta.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .floating-cta:hover {
            background: var(--mint);
            color: #06251f;
            transform: translateY(-2px);
            box-shadow: 0 8px 36px rgba(0, 215, 168, 0.5);
        }

        /* ---------- 图片说明 ---------- */
        .figure-caption {
            font-size: 13px;
            color: var(--muted);
            text-align: center;
            margin-top: -8px;
            margin-bottom: 18px;
        }

        /* ---------- 响应式 ---------- */
        @media (max-width: 991.98px) {
            .article-single {
                padding: 24px;
            }

            .sidebar-spacer {
                margin-top: 20px;
            }

            .article-links-near {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 34px;
            }

            .site-footer {
                padding-top: 40px;
            }

            .cta-side-card {
                margin-top: 0;
            }
        }

        @media (max-width: 767.98px) {
            .container-custom {
                padding: 0 16px;
            }

            .site-header .desktop-only-btn {
                display: none !important;
            }

            .atricle-nav-mobile {
                overflow-x: auto;
                flex-wrap: nowrap;
                -webkit-overflow-scrolling: touch;
            }

            .cat-strip {
                flex-wrap: nowrap;
                overflow-x: auto;
                padding-bottom: 12px;
                scrollbar-width: none;
            }

            .cat-strip::-webkit-scrollbar {
                display: none;
            }

            .cat-chip {
                white-space: nowrap;
                flex-shrink: 0;
            }

            .article-single {
                padding: 20px;
            }

            .article-cover img {
                aspect-ratio: 16 / 10;
            }

            .article-title-single {
                font-size: 28px;
            }

            .breadcrumb-area {
                padding: 26px 0;
            }

            .article-more-area {
                flex-direction: column;
                align-items: flex-start;
                padding: 30px 22px;
            }

            .widget-card {
                padding: 20px;
            }

            .article-meta-row {
                gap: 10px;
                font-size: 13px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

            .floating-cta {
                right: 16px;
                bottom: 18px;
                padding: 10px 15px;
                font-size: 13px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-deep: #07182A;
            --bg-panel: #0E2138;
            --glass: rgba(255, 255, 255, 0.06);
            --glass-strong: rgba(255, 255, 255, 0.10);
            --line: rgba(255, 255, 255, 0.14);
            --mint: #00D7A8;
            --mint-dark: #0B9B7E;
            --gold: #FFC53D;
            --info: #56C8FF;
            --text: #F0F6FF;
            --sub: #A3B6CC;
            --muted: #7289A5;
            --radius-card: 16px;
            --radius-lg: 20px;
            --shadow-card: 0 16px 40px -18px rgba(0, 0, 0, 0.5);
            --glow: rgba(0, 215, 168, 0.45);
            --transition: all .25s ease;
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            background: var(--bg-deep);
            color: var(--text);
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--info);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--mint);
        }
        img {
            max-width: 100%;
            border-radius: var(--radius-card);
        }
        h1,
        h2,
        h3,
        h4,
        .h1,
        .h2,
        .h3 {
            color: var(--text);
            margin: 0 0 .75em;
        }
        h1,
        .h1 {
            font-size: clamp(34px, 5vw, 52px);
            line-height: 1.18;
            font-weight: 700;
            letter-spacing: -0.01em;
        }
        h2,
        .h2 {
            font-size: clamp(28px, 3.6vw, 38px);
            line-height: 1.25;
            font-weight: 700;
        }
        h3 {
            font-size: 20px;
            line-height: 1.4;
            font-weight: 600;
        }
        h4 {
            font-size: 17px;
            line-height: 1.45;
            font-weight: 600;
        }
        .container-custom {
            width: min(1200px, 92%);
            margin-left: auto;
            margin-right: auto;
        }
        .section {
            padding: 88px 0;
            position: relative;
        }
        .section-dark {
            background: rgba(10, 28, 48, 0.72);
        }
        p {
            margin: 0 0 1rem;
            color: var(--sub);
        }
        ul {
            padding-left: 1.1rem;
        }
        .muted {
            color: var(--muted);
        }
        .mint {
            color: var(--mint);
        }
        .gold {
            color: var(--gold);
        }
        .info {
            color: var(--info);
        }
        .btn {
            border: 0;
            border-radius: 12px;
            padding: 12px 24px;
            font-weight: 600;
            transition: var(--transition);
            letter-spacing: .01em;
        }
        .btn:focus,
        .btn:active,
        .btn:focus-visible {
            box-shadow: 0 0 0 4px rgba(0, 215, 168, 0.18);
            outline: none;
        }
        .btn-mint {
            background: linear-gradient(135deg, #25EDBE, #00BD90);
            color: #062B3A;
            box-shadow: 0 12px 24px -10px rgba(0, 215, 168, .45);
        }
        .btn-mint:hover {
            color: #062B3A;
            transform: translateY(-2px);
            box-shadow: 0 16px 30px -8px rgba(0, 215, 168, .6);
        }
        .btn-ghost {
            background: rgba(255, 255, 255, .06);
            color: var(--text);
            border: 1px solid rgba(255, 255, 255, .18);
            backdrop-filter: blur(8px);
        }
        .btn-ghost:hover {
            color: #fff;
            background: rgba(255, 255, 255, .14);
            border-color: rgba(255, 255, 255, .42);
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1020;
            background: rgba(7, 24, 42, .86);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            padding: 10px 0 6px;
        }
        .header-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
        }
        .site-header .logo,
        .site-footer .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-weight: 700;
            font-size: 19px;
            white-space: nowrap;
        }
        .site-header .logo i,
        .site-footer .logo i {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 215, 168, .14);
            color: var(--mint);
            font-size: 17px;
            border: 1px solid rgba(0, 215, 168, .25);
        }
        .header-search {
            flex: 1;
            max-width: 560px;
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 50px;
            padding: 4px 14px;
            transition: var(--transition);
        }
        .header-search:focus-within {
            border-color: var(--mint);
            box-shadow: 0 0 0 4px rgba(0, 215, 168, .16);
        }
        .header-search i {
            color: var(--muted);
            font-size: 15px;
        }
        .header-search .form-control {
            background: transparent;
            border: 0;
            box-shadow: none;
            padding: 8px 0;
            color: #F0F6FF;
            font-size: 14px;
            font-family: inherit;
        }
        .header-search .form-control::placeholder {
            color: var(--muted);
        }
        .header-search .form-control:focus {
            background: transparent;
            border: none;
            box-shadow: none;
            color: #F0F6FF;
        }
        .header-kbd {
            flex-shrink: 0;
            font-size: 12px;
            padding: 2px 7px;
            border-radius: 7px;
            border: 1px solid rgba(255, 255, 255, .18);
            color: var(--muted);
            line-height: 1.5;
        }
        .header-cta .btn {
            padding: 8px 18px;
            font-size: 14px;
            white-space: nowrap;
        }
        .cat-strip {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .cat-strip::-webkit-scrollbar {
            display: none;
        }
        .cat-chip {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 14px;
            padding: 5px 14px;
            border-radius: 50px;
            color: var(--sub);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .12);
            white-space: nowrap;
            transition: var(--transition);
        }
        .cat-chip:hover {
            color: #fff;
            background: rgba(255, 255, 255, .08);
            border-color: rgba(255, 255, 255, .26);
        }
        .cat-chip.active {
            color: #061F27;
            background: var(--mint);
            border-color: var(--mint);
            box-shadow: 0 0 18px rgba(0, 215, 168, .2);
        }
        .hero-category {
            background: linear-gradient(rgba(7, 24, 42, .88), rgba(10, 30, 50, .96)), url('/assets/images/backpic/back-2.png') center / cover;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }
        .breadcrumb {
            padding: 36px 0 4px;
            margin: 0;
            font-size: 13px;
        }
        .breadcrumb-item a {
            color: var(--muted);
        }
        .breadcrumb-item a:hover {
            color: var(--mint);
        }
        .breadcrumb-item+.breadcrumb-item::before {
            color: rgba(255, 255, 255, .28);
        }
        .breadcrumb-item.active {
            color: var(--sub);
        }
        .hero-category-inner {
            display: grid;
            grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr);
            align-items: center;
            gap: 56px;
            padding: 46px 0 70px;
        }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--mint);
            letter-spacing: .08em;
            padding: 7px 14px;
            border-radius: 50px;
            background: rgba(0, 215, 168, .12);
            border: 1px solid rgba(0, 215, 168, .22);
            margin-bottom: 18px;
            text-transform: none;
        }
        .hero-category h1 {
            margin-bottom: 18px;
        }
        .hero-copy p.lead-desc {
            font-size: 17px;
            line-height: 1.85;
            color: #C4D2E4;
            max-width: 660px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin: 25px 0 8px;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
            color: var(--muted);
            margin-top: 18px;
        }
        .hero-tags span i {
            color: var(--mint);
            margin-right: 6px;
        }
        .hero-visual {
            position: relative;
            padding: 10px;
        }
        .hero-visual .card-media {
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, .15);
            background: rgba(255, 255, 255, .08);
            padding: 10px;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(4px);
        }
        .hero-visual img {
            width: 100%;
            height: 240px;
            object-fit: cover;
            border-radius: 14px;
        }
        .float-badge {
            position: absolute;
            bottom: 20px;
            left: -20px;
            background: rgba(14, 33, 56, .84);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(0, 215, 168, .4);
            border-radius: 14px;
            padding: 12px 16px;
            color: #fff;
            box-shadow: 0 16px 36px rgba(0, 0, 0, .4);
        }
        .float-badge strong {
            color: var(--mint);
            font-size: 22px;
            display: block;
            line-height: 1.2;
        }
        .float-badge span {
            font-size: 12px;
            color: var(--muted);
        }
        .section-head {
            max-width: 780px;
            margin-bottom: 46px;
        }
        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-head .eyebrow {
            margin-bottom: 10px;
        }
        .section-head p {
            font-size: 16px;
            line-height: 1.85;
            margin-top: 14px;
        }
        .mode-grid {
            display: grid;
            grid-template-columns: 1fr 1.08fr 1fr;
            gap: 22px;
        }
        .mode-card {
            background: linear-gradient(155deg, rgba(255, 255, 255, .075), rgba(255, 255, 255, .03));
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: 18px;
            padding: 26px;
            height: 100%;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }
        .mode-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 215, 168, .3);
            background: linear-gradient(155deg, rgba(255, 255, 255, .11), rgba(255, 255, 255, .04));
        }
        .mode-card.featured {
            border-color: rgba(0, 215, 168, .4);
        }
        .mode-icon {
            width: 50px;
            height: 50px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: rgba(0, 215, 168, .12);
            color: var(--mint);
            font-size: 21px;
            margin-bottom: 20px;
            border: 1px solid rgba(0, 215, 168, .25);
        }
        .mode-card h3 {
            font-size: 19px;
            margin-bottom: 12px;
        }
        .mode-card ul {
            margin-top: 14px;
            padding-left: 18px;
            color: var(--sub);
            font-size: 15px;
        }
        .mode-card li {
            margin-bottom: 7px;
        }
        .mode-card li::marker {
            color: var(--mint);
        }
        .timeline-section {
            background: linear-gradient(180deg, rgba(7, 24, 42, .15), rgba(0, 215, 168, .03)), var(--bg-panel);
            border-top: 1px solid rgba(255, 255, 255, .05);
            border-bottom: 1px solid rgba(255, 255, 255, .05);
        }
        .timeline {
            max-width: 920px;
            margin: 0 auto;
            position: relative;
        }
        .timeline::before {
            content: "";
            position: absolute;
            top: 10px;
            bottom: 10px;
            left: 21px;
            width: 2px;
            background: linear-gradient(180deg, rgba(0, 215, 168, .75), rgba(255, 255, 255, .12));
        }
        .timeline-row {
            margin-bottom: 24px;
            padding-left: 66px;
            position: relative;
        }
        .timeline-row:last-child {
            margin-bottom: 0;
        }
        .timeline-dot {
            position: absolute;
            left: 0;
            top: 2px;
            width: 44px;
            height: 44px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 215, 168, .18);
            color: var(--mint);
            font-weight: 700;
            border: 1px solid rgba(0, 215, 168, .4);
            box-shadow: 0 0 20px rgba(0, 215, 168, .25);
        }
        .timeline-card {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .11);
            border-radius: 18px;
            padding: 22px 24px;
            transition: var(--transition);
        }
        .timeline-card:hover {
            transform: translateX(4px);
            border-color: rgba(255, 255, 255, .25);
            background: rgba(255, 255, 255, .09);
        }
        .timeline-card h3 {
            font-size: 18px;
            margin-bottom: 8px;
        }
        .timeline-card p {
            margin-bottom: 0;
            color: var(--sub);
            font-size: 15px;
        }
        .split-panel {
            display: grid;
            grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
            gap: 50px;
            align-items: center;
        }
        .visual-stack {
            position: relative;
            padding: 12px;
        }
        .visual-stack .glass-image {
            padding: 10px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 22px;
        }
        .visual-stack img {
            height: 330px;
            width: 100%;
            object-fit: cover;
            display: block;
            border-radius: 14px;
        }
        .marker-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .marker-list li {
            display: flex;
            gap: 15px;
            padding: 13px 0;
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }
        .marker-list li:last-child {
            border-bottom: 0;
        }
        .marker-list li i {
            color: var(--mint);
            margin-top: 7px;
            font-size: 14px;
        }
        .marker-list strong {
            display: block;
            font-size: 16px;
            color: #F0F6FF;
            margin-bottom: 2px;
        }
        .marker-list span {
            font-size: 14px;
            color: var(--muted);
        }
        .table-guide {
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: 20px;
            overflow: hidden;
            margin-top: 40px;
        }
        .table-guide th {
            background: rgba(0, 215, 168, .12);
            color: #E4FFF7;
            font-size: 14px;
            font-weight: 600;
            padding: 14px 16px;
            border: none;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }
        .table-guide td {
            background: transparent;
            color: var(--sub);
            font-size: 14px;
            padding: 17px 16px;
            border: none;
            border-bottom: 1px solid rgba(255, 255, 255, .05);
        }
        .table-guide td strong {
            color: #EAF2FC;
        }
        .table-guide tr:last-child td {
            border-bottom: none;
        }
        .table-guide td:first-child {
            color: var(--mint);
            font-weight: 600;
        }
        .faq-section .accordion {
            max-width: 920px;
            margin: 0 auto;
        }
        .accordion-item {
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: 16px !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: none;
        }
        .accordion-button {
            background: transparent;
            color: var(--text);
            font-weight: 600;
            font-size: 16px;
            padding: 20px 22px;
            box-shadow: none;
            border: none;
        }
        .accordion-button::after {
            background: unset;
            content: "\f067";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            width: auto;
            height: auto;
            color: var(--mint);
            font-size: 14px;
            border-radius: 50%;
            background: rgba(0, 215, 168, .15);
            width: 30px;
            height: 30px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .accordion-button:not(.collapsed) {
            background: rgba(0, 215, 168, .08);
            color: #fff;
            box-shadow: none;
        }
        .accordion-button:not(.collapsed)::after {
            content: "\f068";
        }
        .accordion-button:focus {
            box-shadow: none;
        }
        .accordion-body {
            padding: 0 22px 20px;
            color: var(--sub);
            font-size: 15px;
            line-height: 1.85;
            border-top: 1px solid rgba(255, 255, 255, .07);
            margin-top: 0;
        }
        .cat-cta {
            background: linear-gradient(rgba(7, 24, 42, .9), rgba(7, 24, 42, .98)), url('/assets/images/backpic/back-3.webp') center / cover;
        }
        .cta-box {
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(0, 215, 168, .22);
            border-radius: 24px;
            padding: 54px 46px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 30px 80px rgba(0, 0, 0, .3);
        }
        .cta-box h2 {
            margin-bottom: 12px;
        }
        .cta-box p {
            max-width: 650px;
            margin: 0 auto 28px;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }
        .site-footer {
            background: #050F1C;
            border-top: 1px solid rgba(255, 255, 255, .06);
            padding: 60px 0 30px;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 30px;
        }
        .site-footer .logo {
            margin-bottom: 14px;
        }
        .site-footer h4 {
            font-size: 15px;
            color: #fff;
            margin-bottom: 14px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer li {
            margin-bottom: 8px;
        }
        .site-footer li a {
            color: var(--muted);
            font-size: 14px;
        }
        .site-footer li a:hover {
            color: var(--mint);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .06);
            padding-top: 20px;
            color: var(--muted);
        }
        .footer-bottom A {
            color: var(--muted);
        }
        @media (max-width: 991px) {
            .hero-category-inner {
                grid-template-columns: 1fr;
                gap: 36px;
                padding-bottom: 54px;
            }
            .hero-visual {
                max-width: 640px;
            }
            .hero-visual img {
                height: 210px;
            }
            .mode-grid {
                grid-template-columns: 1fr;
            }
            .split-panel {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .header-row {
                gap: 12px;
                flex-wrap: wrap;
            }
            .header-cta {
                display: none;
            }
            .header-search {
                order: 3;
                flex: 1 0 100%;
                max-width: none;
            }
            body {
                font-size: 15px;
            }
        }
        @media (max-width: 767px) {
            .section {
                padding: 64px 0;
            }
            .site-header .logo {
                font-size: 17px;
            }
            .hero-category h1 {
                font-size: 35px;
            }
            .hero-tags {
                gap: 10px;
            }
            .float-badge {
                left: 6px;
                bottom: 6px;
            }
            .timeline-card {
                padding: 18px;
            }
            .timeline-row {
                padding-left: 56px;
            }
            .timeline-dot {
                width: 38px;
                height: 38px;
                font-size: 15px;
            }
            .table-guide {
                display: block;
                overflow-x: auto;
                white-space: nowrap;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 26px;
            }
            .search-row {
                overflow-x: auto;
            }
            .cta-box {
                padding: 40px 18px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category3 */
:root{
    --bg:#07182A;
    --bg-2:#0E2138;
    --panel:rgba(255,255,255,0.06);
    --line:rgba(255,255,255,0.14);
    --mint:#00D7A8;
    --amber:#FFC53D;
    --blue:#56C8FF;
    --text:#F0F6FF;
    --sub:#A3B6CC;
    --muted:#7289A5;
    --radius-lg:20px;
    --radius-md:16px;
    --radius-sm:12px;
    --shadow:0 16px 40px -18px rgba(0,0,0,0.5);
    --font:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:all .25s ease}
button,input{font-family:inherit}
h1,h2,h3,h4{font-weight:700;line-height:1.3;letter-spacing:-0.01em;margin:0 0 16px}
p{margin:0 0 16px}
.container-custom{width:min(1200px,100% - 48px);margin:0 auto}
.container-custom-narrow{width:min(880px,100% - 48px);margin:0 auto}

.site-header{position:sticky;top:0;z-index:1040;background:rgba(7,24,42,.72);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.08);transition:background .25s ease,box-shadow .25s ease}
.site-header .container-custom{padding-top:10px;padding-bottom:8px}
.header-row{display:flex;align-items:center;gap:20px;flex-wrap:nowrap}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:22px;letter-spacing:-.02em;color:var(--text);flex:0 0 auto}
.logo i{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;background:linear-gradient(135deg,rgba(0,215,168,.22),rgba(0,215,168,.06));border:1px solid rgba(0,215,168,.4);color:var(--mint);font-size:15px}
.logo:hover{color:var(--mint)}
.header-search{position:relative;flex:1 1 auto;min-width:0}
.header-search i{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:15px;z-index:2;pointer-events:none}
.header-search .form-control{width:100%;height:48px;padding:0 68px 0 48px;border-radius:50px;background:rgba(0,0,0,.18);border:1px solid rgba(255,255,255,.15);color:var(--text);font-size:14px;transition:border-color .25s ease,box-shadow .25s ease}
.header-search .form-control::placeholder{color:var(--muted)}
.header-search .form-control:focus{border-color:rgba(0,215,168,.8);box-shadow:0 0 0 4px rgba(0,215,168,.15);outline:none}
.header-kbd{position:absolute;right:12px;top:50%;transform:translateY(-50%);height:26px;line-height:26px;border:1px solid rgba(255,255,255,.14);border-radius:7px;font-size:12px;color:var(--muted);padding:0 8px;background:rgba(255,255,255,.04);font-family:inherit;pointer-events:none}
.header-cta{flex:0 0 auto}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:12px 22px;font-size:15px;font-weight:600;line-height:1.4;border:1px solid transparent;gap:6px;transition:all .25s ease;text-decoration:none}
.btn-mint{background:linear-gradient(135deg,#00D7A8,#00b994);color:#062b2a;box-shadow:0 8px 24px -10px rgba(0,215,168,.8);border-color:rgba(0,255,210,.4)}
.btn-mint:hover{background:linear-gradient(135deg,#20ebc2,#00c99e);color:#062b2a;box-shadow:0 10px 28px -8px rgba(0,215,168,.9);transform:translateY(-2px)}
.btn-mint:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(0,215,168,.3)}
.btn-ghost{background:rgba(255,255,255,.05);color:var(--text);border-color:rgba(255,255,255,.18)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.36);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px}
.btn-amber{background:linear-gradient(135deg,#FFC53D,#ffad24);color:#262014;border-color:rgba(255,197,61,.4);box-shadow:0 8px 24px -12px rgba(255,197,61,.7)}
.btn-amber:hover{background:linear-gradient(135deg,#ffd35d,#ffb92e);color:#262014;transform:translateY(-2px);box-shadow:0 10px 26px -10px rgba(255,197,61,.85)}

.cat-strip{display:flex;align-items:center;gap:8px;margin-top:12px;flex-wrap:nowrap;overflow-x:auto;padding-bottom:2px;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.12) transparent}
.cat-strip::-webkit-scrollbar{height:4px}
.cat-strip::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px}
.cat-chip{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;height:34px;padding:0 16px;border-radius:50px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.03);font-size:14px;color:var(--sub);gap:6px;transition:all .25s ease}
.cat-chip i{color:var(--muted);font-size:12px}
.cat-chip:hover{background:rgba(0,215,168,.12);border-color:rgba(0,215,168,.45);color:#fff}
.cat-chip.active{background:rgba(0,215,168,.15);border-color:rgba(0,215,168,.55);color:var(--mint);font-weight:600}
.cat-chip.active i{color:var(--mint)}
.autohide-cta{opacity:0;pointer-events:none;transform:translateY(8px)}
.site-header.is-scrolled{background:rgba(7,24,42,.9);box-shadow:0 10px 30px -18px rgba(0,0,0,.54)}
@media(max-width:991px){.header-row{gap:14px}.header-kbd{display:none}}
@media(max-width:767px){.container-custom{width:min(100% - 28px,1200px)}.logo{font-size:18px}.logo i{width:28px;height:28px;border-radius:8px;font-size:13px}.header-search .form-control{height:44px;padding-left:38px;padding-right:12px}.header-search i{left:12px;font-size:13px}.desktop-only-btn{display:none!important}.header-row{gap:10px}}

.cat-hero{position:relative;padding:64px 0 44px;border-bottom:1px solid rgba(255,255,255,.08);background:radial-gradient(circle at 78% 10%,rgba(0,215,168,.14),transparent 34%),radial-gradient(circle at 18% 90%,rgba(86,200,255,.12),transparent 36%),linear-gradient(180deg,#0C1F36 0%,#07182A 70%)}
.cat-hero-bg{position:absolute;inset:0;z-index:0;opacity:.17;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center}
.cat-hero .container-custom-narrow{position:relative;z-index:2}
.crumb{font-size:13px;color:var(--muted);margin-bottom:24px;display:flex;flex-wrap:wrap;gap:6px}
.crumb a{color:var(--sub)}
.crumb a:hover{color:var(--mint)}
.crumb .sep{color:var(--muted);padding:0 2px}
.crumb .current{color:var(--muted)}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;background:rgba(0,215,168,.12);border:1px solid rgba(0,215,168,.35);color:var(--mint);height:32px;border-radius:50px;padding:0 14px;font-size:13px;letter-spacing:.02em;margin-bottom:18px}
.cat-hero h1{font-size:46px;font-weight:800;letter-spacing:-.02em;margin-bottom:16px;color:#fff}
.cat-hero h1 span{color:var(--mint)}
.cat-hero .lead{max-width:680px;font-size:17px;color:var(--sub);line-height:1.9;margin-bottom:30px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}

.cat-intro{padding:80px 0 0}
.two-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.16em;color:var(--blue);text-transform:uppercase;margin-bottom:12px}
.eyebrow i{font-size:15px}
.two-grid h2{font-size:30px;margin-bottom:18px;color:#fff}
.two-grid .lead-copy{color:var(--sub);font-size:16px}
.mini-point{margin-top:22px;display:flex;gap:10px;align-items:flex-start}
.mini-point i{width:24px;height:24px;border-radius:7px;background:rgba(0,215,168,.13);border:1px solid rgba(0,215,168,.32);color:var(--mint);font-size:12px;display:inline-flex;align-items:center;justify-content:center;margin-top:3px;flex:0 0 auto}
.mini-point strong{color:var(--text);font-weight:600}
.mini-point p{font-size:14px;color:var(--sub);margin:0}
.intro-visual{position:relative;border-radius:20px;overflow:hidden;border:1px solid rgba(255,255,255,.16);box-shadow:var(--shadow)}
.intro-visual img{width:100%;object-fit:cover;aspect-ratio:4/3}
.visual-caption{position:absolute;left:12px;right:12px;bottom:12px;background:rgba(7,24,42,.65);backdrop-filter:blur(16px);padding:12px 14px;border:1px solid rgba(255,255,255,.14);border-radius:14px;font-size:13px;color:var(--text)}
.visual-caption small{color:var(--muted);display:block;margin-top:2px}
.topic-row{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 0}
.tag{display:inline-flex;align-items:center;justify-content:center;height:32px;padding:0 14px;border-radius:50px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);font-size:13px;color:var(--sub)}
.tag i{color:var(--mint);margin-right:6px;font-size:11px}
.tag.amber i{color:var(--amber)}

.dim-section{padding:76px 0 0}
.sec-heading{display:flex;flex-direction:column;align-items:center;text-align:center;max-width:700px;margin:0 auto 42px}
.sec-heading h2{font-size:34px;color:#fff}
.sec-heading p{color:var(--sub);margin-top:10px}
.dim-hero-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
.dim-main{grid-column:span 7;padding:34px;border-radius:20px;border:1px solid rgba(0,215,168,.35);background:linear-gradient(135deg,rgba(0,215,168,.1),rgba(255,255,255,.04));overflow:hidden;position:relative}
.dim-main::after{content:"";position:absolute;right:-50px;top:-50px;width:220px;height:220px;border-radius:50%;background:rgba(0,215,168,.08);filter:blur(2px)}
.dim-main .dim-index{font-size:14px;letter-spacing:.16em;color:var(--mint);font-weight:600}
.dim-main h3{font-size:24px;margin:12px 0 12px}
.dim-main p{color:var(--sub);font-size:15px}
.dim-side{grid-column:span 5;display:flex;flex-direction:column;gap:18px}
.dim-side-card{flex:1;padding:24px 26px;border-radius:18px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.12);display:flex;gap:18px;align-items:flex-start}
.dim-side-card i{width:42px;height:42px;flex:0 0 auto;border-radius:12px;background:rgba(86,200,255,.1);border:1px solid rgba(86,200,255,.32);color:var(--blue);font-size:18px;display:inline-flex;align-items:center;justify-content:center}
.dim-side-card:nth-child(2) i{background:rgba(255,197,61,.12);border-color:rgba(255,197,61,.36);color:var(--amber)}
.dim-side-card h3{font-size:18px;margin-bottom:8px}
.dim-side-card p{color:var(--sub);font-size:14px;margin:0}

.qa-wrap-section{padding:80px 0 0}
.qa-wrap-section .qa-heading{display:flex;flex-direction:column;align-items:center;text-align:center;margin-bottom:42px}
.qa-wrap-section .qa-heading h2{font-size:34px}
.qa-wrap-section .qa-heading p{max-width:640px;color:var(--sub)}
.qa-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.accordion-item{background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.12)!important;border-radius:18px!important;transition:border-color .25s ease,transform .25s ease,background .25s ease}
.accordion-item:hover{border-color:rgba(0,215,168,.45);transform:translateY(-2px)}
.accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(0,215,168,.6)!important;background:rgba(0,215,168,.07)}
.qa-head{display:flex;align-items:flex-start;gap:14px;width:100%}
.qa-num{font-size:14px;font-weight:700;color:var(--mint);background:rgba(0,215,168,.12);border:1px solid rgba(0,215,168,.3);min-width:38px;height:38px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums}
.qa-q{flex:1;min-width:0;color:#fff;font-weight:600;font-size:17px;line-height:1.5;text-align:left}
.qa-icon{width:32px;height:32px;border-radius:10px;border:1px solid rgba(255,255,255,.2);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;color:var(--muted);background:rgba(255,255,255,.05);transition:all .25s ease}
.qa-icon i{transition:transform .25s ease;font-size:13px}
button[aria-expanded="true"] .qa-icon{border-color:rgba(0,215,168,.5);color:var(--mint)}
button[aria-expanded="true"] .qa-icon i{transform:rotate(45deg)}
.accordion-button{width:100%;display:flex;align-items:center;background:transparent;color:var(--text);border:0;padding:22px 22px 22px 18px;gap:14px}
.accordion-button.collapsed{background:transparent;color:var(--text)}
.accordion-button:not(.collapsed){background:transparent;box-shadow:none;color:var(--text)}
.accordion-button:focus{box-shadow:inset 0 0 0 2px rgba(0,215,168,.2);background:transparent}
.accordion-button::after{display:none!important}
.accordion-body{padding:0 22px 24px 72px;color:var(--sub);font-size:15px;border-top:1px solid rgba(255,255,255,.08);margin-left:74px;margin-right:14px;padding-left:0;padding-right:0}
@media(max-width:600px){.accordion-body{margin-left:20px}}
.qa-body-list{margin:0;padding-left:0;list-style:none}
.qa-body-list li{position:relative;padding-left:20px;margin-bottom:9px}
.qa-body-list li::before{content:"";position:absolute;left:2px;top:10px;width:7px;height:7px;border-radius:50%;background:var(--mint)}

.process-section{padding:80px 0 0}
.process-title{text-align:center;margin-bottom:14px}
.process-title h2{font-size:34px}
.process-title p{color:var(--sub);max-width:650px;margin:0 auto}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:44px}
.step-card{background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.12);padding:24px;border-radius:18px;position:relative;transition:transform .25s ease,border-color .25s ease}
.step-card:hover{transform:translateY(-4px);border-color:rgba(255,197,61,.5)}
.step-index{font-size:42px;font-weight:800;letter-spacing:-.04em;line-height:1;color:rgba(255,255,255,.08);font-variant-numeric:tabular-nums}
.step-card h3{font-size:17px;margin:16px 0 10px}
.step-card p{color:var(--sub);font-size:14px;margin-bottom:16px}
.step-chip{font-size:12px;color:var(--muted);border:1px solid rgba(255,255,255,.14);border-radius:50px;display:inline-flex;align-items:center;gap:6px;padding:3px 10px;background:rgba(255,255,255,.03)}
.step-chip i{color:var(--amber)}

.notice-media{padding:80px 0 0}
.notice-panel{display:grid;grid-template-columns:1fr .9fr;gap:34px;background:linear-gradient(120deg,rgba(255,255,255,.07),rgba(255,255,255,.03));border:1px solid rgba(255,255,255,.13);border-radius:20px;overflow:hidden;align-items:center}
.notice-copy{padding:38px 10px 38px 40px}
.notice-copy .notice-badge{display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(255,197,61,.5);color:var(--amber);height:30px;padding:0 12px;border-radius:50px;background:rgba(255,197,61,.12);font-size:13px;margin-bottom:18px}
.notice-copy .notice-badge i{font-size:12px}
.notice-copy h2{font-size:30px;color:#fff}
.notice-copy p{color:var(--sub);font-size:15px}
.notice-list{list-style:none;padding:0;margin:20px 0 0}
.notice-list li{display:flex;gap:10px;color:var(--sub);font-size:14px;margin-top:9px;align-items:flex-start}
.notice-list li i{color:var(--amber);margin-top:5px;font-size:13px;width:17px}
.notice-media-figure{padding:26px;background:rgba(0,0,0,.15);height:100%;display:flex;align-items:center;justify-content:center}
.notice-media-figure img{border-radius:20px;aspect-ratio:4/3;object-fit:cover;border:1px solid rgba(255,255,255,.18)}
.demo-entry-section{padding:80px 0 0}
.demo-entry{width:100%;border-radius:20px;background:radial-gradient(circle at 15% 0%,rgba(255,197,61,.16),transparent 36%),linear-gradient(135deg,#0F2236,#0B1E30);border:1px solid rgba(255,255,255,.14);padding:44px 42px;display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between}
.demo-entry h2{color:#fff;font-size:26px;margin-bottom:6px}
.demo-entry p{color:var(--sub);margin:0;max-width:640px;font-size:15px}
.demo-entry-actions{display:flex;gap:10px;flex-wrap:wrap}
.bottom-cta{padding:60px 0 72px}

/* footer */
.site-footer{background:#081524;border-top:1px solid rgba(255,255,255,.08);padding:70px 0 24px}
.site-footer .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px}
.footer-brand p{color:var(--muted);font-size:14px;max-width:320px;margin-top:14px}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer ul li{margin-bottom:10px}
.site-footer ul a{color:var(--muted);font-size:14px;line-height:1.6}
.site-footer ul a:hover{color:var(--mint)}
.footer-bottom{display:flex;border-top:1px solid rgba(255,255,255,.08);padding-top:20px;color:var(--muted);font-size:13px;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--amber)}
.floating-cta{position:fixed;right:24px;bottom:24px;background:linear-gradient(135deg,rgba(0,215,168,.95),rgba(0,215,168,.75));color:#062b2a;border-radius:50px;height:52px;padding:0 22px;display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;box-shadow:0 14px 34px -10px rgba(0,215,168,.7);opacity:0;visibility:hidden;transform:translateY(14px);transition:all .3s ease;z-index:1030;border:1px solid rgba(255,255,255,.4)}
.floating-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
.floating-cta i{font-size:16px}
@media(max-width:1400px){.process-grid{grid-template-columns:repeat(4,1fr)}}
@media(max-width:991px){.two-grid{grid-template-columns:1fr}.dim-main,.dim-side{grid-column:span 12}.process-grid{grid-template-columns:repeat(2,1fr)}.notice-panel{grid-template-columns:1fr}.notice-copy{padding:36px 26px 20px}}
@media(max-width:767px){.cat-hero{padding:52px 0 38px}.cat-hero h1{font-size:34px}.hero-actions{flex-direction:column;align-items:stretch}.hero-actions .btn{width:100%}.cat-intro{padding:64px 0 0}.two-grid h2{font-size:26px}.dim-section,.qa-wrap-section,.process-section,.notice-media{padding:64px 0 0}.dim-main{padding:24px}.dim-side-card{flex-direction:column}.dim-hero-grid{grid-template-columns:1fr}.sec-heading h2{font-size:28px}.qa-wrap-section .qa-heading h2,.process-title h2{font-size:28px}.accordion-button{padding:18px 14px;gap:10px}.qa-num{min-width:32px;height:32px;font-size:12px}.qa-q{font-size:15px}.qa-icon{width:28px;height:28px;border-radius:9px}.accordion-body{padding:14px 14px 20px;margin-left:0}.process-grid{grid-template-columns:1fr;margin-top:28px}.notice-copy{padding:28px 22px 20px}.notice-copy h2{font-size:26px}.demo-entry{padding:32px 22px}.site-footer{padding:50px 0 20px}.site-footer .footer-grid{grid-template-columns:1fr 1fr;gap:30px;padding-bottom:30px}.floating-cta{width:48px;height:48px;padding:0;justify-content:center;right:16px;bottom:16px;font-size:0}.floating-cta i{font-size:17px}}
@media(max-width:480px){.site-footer .footer-grid{grid-template-columns:1fr}}

/* roulang page: category4 */
:root {
            --bg-deep: #07182A;
            --bg-layer: #0E2138;
            --panel: rgba(255, 255, 255, 0.06);
            --panel-strong: rgba(255, 255, 255, 0.08);
            --glass-border: rgba(255, 255, 255, 0.14);
            --glass-hairline: rgba(255, 255, 255, 0.08);
            --mint: #00D7A8;
            --mint-rgb: 0, 215, 168;
            --amber: #FFC53D;
            --blue-info: #56C8FF;
            --body-text: #F0F6FF;
            --body-sub: #A3B6CC;
            --muted: #7289A5;
            --btn-glow: rgba(0, 215, 168, 0.45);
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-pill: 50px;
            --shadow-card: 0 16px 40px -18px rgba(0, 0, 0, 0.5);
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
            --transition: all .25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background-color: var(--bg-deep);
            color: var(--body-text);
            font-size: 16px;
            line-height: 1.75;
            margin: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background:
                radial-gradient(ellipse 60% 50% at 15% 0%, rgba(0, 215, 168, 0.08), transparent 70%),
                radial-gradient(ellipse 50% 40% at 85% 20%, rgba(86, 200, 255, 0.06), transparent 70%),
                linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
            background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
            pointer-events: none;
            z-index: 0;
        }

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

        a:hover {
            color: #8ff0d9;
        }

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

        .container-custom {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
            position: relative;
            z-index: 1;
        }

        .form-control:focus {
            box-shadow: none;
        }

        .btn {
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: var(--transition);
        }

        .btn-mint {
            background: linear-gradient(135deg, rgba(0, 215, 168, 0.9), rgba(86, 200, 255, 0.45));
            color: #061a1e;
            border: none;
            box-shadow: 0 0 0 0 rgba(0, 215, 168, 0.25);
        }

        .btn-mint:hover,
        .btn-mint:focus {
            background: linear-gradient(135deg, #00d7a8, #7ce3d2);
            color: #061a1e;
            box-shadow: 0 0 28px rgba(0, 215, 168, 0.35), 0 0 0 3px rgba(0, 215, 168, 0.18);
            transform: translateY(-1px);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(0, 215, 168, 0.35);
            color: var(--mint);
        }

        .btn-ghost:hover {
            background: rgba(0, 215, 168, 0.08);
            border-color: var(--mint);
            color: var(--mint);
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1060;
            background: rgba(7, 24, 42, 0.72);
            -webkit-backdrop-filter: blur(22px) saturate(160%);
            backdrop-filter: blur(22px) saturate(160%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background .3s ease, box-shadow .3s ease;
        }

        .site-header.scrolled {
            background: rgba(7, 24, 42, 0.95);
            box-shadow: 0 16px 40px -16px rgba(0, 0, 0, 0.56);
        }

        .site-header .header-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 0 6px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-size: 24px;
            font-weight: 700;
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .logo i {
            font-size: 28px;
            color: var(--mint);
            filter: drop-shadow(0 0 14px rgba(0, 215, 168, 0.5));
        }

        .logo span {
            color: var(--body-text);
            background: linear-gradient(135deg, var(--body-text) 20%, var(--mint) 90%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .logo:hover span {
            -webkit-text-fill-color: var(--mint);
            color: var(--mint);
        }

        .header-search {
            flex: 0 1 520px;
            display: flex;
            align-items: center;
            background: rgba(7, 24, 42, 0.75);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-pill);
            padding: 0 18px;
            height: 48px;
            gap: 10px;
            transition: var(--transition);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
        }

        .header-search>i {
            color: var(--muted);
            font-size: 15px;
            transition: color .25s;
        }

        .header-search:focus-within {
            border-color: rgba(0, 215, 168, 0.55);
            box-shadow: 0 0 0 4px rgba(0, 215, 168, 0.13), 0 0 20px rgba(0, 215, 168, 0.05);
        }

        .header-search:focus-within>i {
            color: var(--mint);
        }

        .header-search input {
            flex: 1;
            background: transparent;
            border: none;
            height: 100%;
            padding: 0;
            color: var(--body-text);
            font-size: 14px;
            outline: none;
        }

        .header-search input::placeholder {
            color: var(--muted);
            font-size: 14px;
        }

        .header-kbd {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 6px;
            padding: 3px 8px;
            font-size: 12px;
            color: var(--muted);
            font-family: ui-monospace, Menlo, Consolas, monospace;
            white-space: nowrap;
        }

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

        .desktop-only-btn {
            display: inline-flex;
        }

        .cat-strip {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0 14px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.1) transparent;
        }

        .cat-strip::-webkit-scrollbar {
            height: 4px;
        }

        .cat-strip::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.08);
            border-radius: 10px;
        }

        .cat-chip {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--body-sub);
            font-size: 14px;
            padding: 7px 18px;
            border-radius: 50px;
            transition: var(--transition);
            font-weight: 500;
            line-height: 1.4;
            white-space: nowrap;
            cursor: pointer;
        }

        .cat-chip:hover {
            background: rgba(0, 215, 168, 0.12);
            border-color: rgba(0, 215, 168, 0.4);
            color: var(--mint);
        }

        .cat-chip.active {
            background: rgba(0, 215, 168, 0.14);
            border-color: rgba(0, 215, 168, 0.45);
            color: var(--mint);
            font-weight: 600;
            box-shadow: 0 0 16px rgba(0, 215, 168, 0.15);
        }

        /* Page Hero / Banner */
        .category-banner {
            position: relative;
            padding: 150px 0 64px;
            z-index: 1;
            overflow: hidden;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center top / cover;
            opacity: 0.42;
            z-index: 0;
            pointer-events: none;
            -webkit-mask-image: radial-gradient(circle at 50% 35%, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.3) 100%);
            mask-image: radial-gradient(circle at 50% 35%, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.3) 100%);
        }

        .category-banner .container-custom {
            position: relative;
            z-index: 1;
        }

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

        .crumb-link {
            color: var(--muted);
            transition: var(--transition);
            text-decoration: none;
        }

        .crumb-link:hover {
            color: var(--mint);
        }

        .crumb-sep {
            color: rgba(255, 255, 255, 0.25);
            margin: 0 4px;
        }

        .category-title {
            font-size: clamp(2rem, 4vw, 3.2rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin: 0 0 16px;
        }

        .category-title .grad-text {
            background: linear-gradient(100deg, var(--mint) 0%, var(--blue-info) 90%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .category-lead {
            font-size: 17px;
            color: var(--body-sub);
            max-width: 700px;
            line-height: 1.85;
        }

        .cat-meta {
            padding-top: 26px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px    ;
        }

        .meta-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--glass-hairline);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 8px 16px;
            font-size: 13px;
            color: var(--body-sub);
        }

        .meta-badge i {
            color: var(--amber);
        }

        .meta-badge b {
            color: var(--body-text);
            font-weight: 600;
        }

        /* Section spacing */
        .page-section {
            padding: 88px 0;
            position: relative;
            z-index: 1;
        }

        .sec-heading {
            margin-bottom: 40px;
        }

        .sec-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            letter-spacing: .12em;
            text-transform: uppercase;
            color: var(--mint);
            margin-bottom: 10px;
        }

        .sec-kicker::after {
            content: '';
            width: 32px;
            height: 1px;
            background: rgba(0, 215, 168, 0.4);
        }

        .sec-heading h2 {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 700;
            line-height: 1.3;
            margin: 10px 0 12px;
        }

        .sec-heading .sec-desc {
            color: var(--body-sub);
            font-size: 16px;
            max-width: 720px;
        }

        .divider-glow {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 215, 168, 0.2), rgba(86, 200, 255, 0.1), transparent);
            border: none;
            opacity: 1;
        }

        /* Card */
        .glass {
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025));
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            position: relative;
            transition: var(--transition);
        }

        .glass:hover {
            border-color: rgba(255, 255, 255, 0.22);
            box-shadow: 0 14px 36px -12px rgba(0, 0, 0, 0.55);
        }

        .glass-card {
            padding: 24px;
        }

        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 215, 168, 0.12);
            border: 1px solid rgba(0, 215, 168, 0.2);
            font-size: 20px;
            color: var(--mint);
            margin-bottom: 18px;
        }

        /* 工具区块：类型卡 Net */
        .notice-cards-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 20px;
        }

        .notice-card-item {
            grid-column: span 2;
            min-height: 290px;
            background: linear-gradient(155deg, rgba(255, 255, 255, 0.08), rgba(0, 15, 30, 0.28));
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 20px;
            padding: 24px;
            position: relative;
            transition: all .28s ease;
            overflow: hidden;
            backdrop-filter: blur(12px);
            display: flex;
            flex-direction: column;
            z-index: 1;
        }

        .notice-card-item::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(240px 150px at 90% 0%, rgba(0, 215, 168, 0.08), transparent 70%);
            opacity: 0;
            transition: var(--transition);
        }

        .notice-card-item::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--mint), transparent);
            opacity: 0;
            transition: .4s ease;
        }

        .notice-card-item:hover {
            transform: translateY(-6px);
            border-color: rgba(0, 215, 168, 0.42);
            box-shadow: 0 18px 44px -15px rgba(0, 0, 0, 0.65), 0 0 0 1px rgba(0, 215, 168, 0.08);
        }

        .notice-card-item:hover::before,
        .notice-card-item:hover::after {
            opacity: 1;
        }

        .nc-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            align-self: flex-start;
            font-size: 12.5px;
            font-weight: 600;
            letter-spacing: 0.4px;
            background: rgba(0, 215, 168, 0.12);
            color: var(--mint);
            border-radius: 50px;
            padding: 5px 13px;
            margin-bottom: 16px;
            border: 1px solid rgba(0, 215, 168, 0.18);
            font-variant-numeric: tabular-nums;
        }

        .nc-tag.amber {
            background: rgba(255, 197, 61, 0.1);
            color: var(--amber);
            border-color: rgba(255, 197, 61, 0.2);
        }

        .nc-tag.blue {
            background: rgba(86, 200, 255, 0.1);
            color: var(--blue-info);
            border-color: rgba(86, 200, 255, 0.2);
        }

        .nc-title {
            font-size: 19px;
            font-weight: 600;
            margin-bottom: 10px;
            line-height: 1.5;
        }

        .nc-desc {
            color: var(--body-sub);
            font-size: 14.5px;
            line-height: 1.75;
            flex: 1;
        }

        .nc-foot {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 20px;
            padding-top: 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 13px;
            color: var(--muted);
        }

        .nc-count {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .nc-count i {
            font-size: 12px;
            color: var(--body-sub);
            opacity: 0.6;
        }

        /* 图文说明 */
        .resource-feature {
            display: flex;
            align-items: center;
            gap: clamp(32px, 5vw, 72px);
            flex-wrap: wrap;
        }

        .feature-media {
            flex: 1 1 380px;
            border-radius: 24px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.12);
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .feature-media img {
            display: block;
            width: 100%;
            height: 330px;
            object-fit: cover;
        }

        .feature-media .img-overlay {
            position: absolute;
            inset: auto 0 0 0;
            padding: 28px 24px 18px;
            background: linear-gradient(to top, rgba(3, 13, 24, 0.9), transparent);
        }

        .feature-text-side {
            flex: 1 1 380px;
            padding: 12px 0;
        }

        .feature-text-side h3 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.35;
        }

        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0 0 28px;
        }

        .feature-list li {
            position: relative;
            padding-left: 30px;
            color: var(--body-sub);
            margin-bottom: 13px;
            font-size: 15px;
            line-height: 1.7;
        }

        .feature-list li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 2px;
            color: var(--mint);
            font-size: 14px;
            background: rgba(0, 215, 168, 0.1);
            border-radius: 50%;
            width: 22px;
            height: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* Timeline 波段 */
        .timeline-wrap {
            position: relative;
            padding-left: 48px;
            max-width: 880px;
        }

        .timeline-wrap::before {
            content: '';
            position: absolute;
            left: 14px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: linear-gradient(to bottom, rgba(0, 215, 168, 0.5), rgba(0, 215, 168, 0.06));
        }

        .timeline-item {
            position: relative;
            margin-bottom: 32px;
            padding: 24px 28px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }

        .timeline-item:hover {
            border-color: rgba(0, 215, 168, 0.3);
            box-shadow: var(--shadow-card);
        }

        .timeline-item .dot {
            position: absolute;
            left: -41px;
            top: 32px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--bg-deep);
            border: 3px solid var(--mint);
            box-shadow: 0 0 0 5px rgba(0, 215, 168, 0.08);
        }

        .timeline-item .tl-time {
            font-size: 13px;
            color: var(--muted);
            display: inline-block;
            margin-bottom: 6px;
            font-variant-numeric: tabular-nums;
        }

        .timeline-item .tl-label {
            font-size: 13px;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--amber);
            font-weight: 600;
            margin-left: 8px;
        }

        .timeline-item h4 {
            font-size: 20px;
            font-weight: 600;
            margin: 6px 0 10px;
            line-height: 1.45;
        }

        .timeline-item p {
            color: var(--body-sub);
            margin: 0;
            font-size: 15px;
        }

        /* 通知步骤 */
        .classic-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .step-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 18px;
            padding: 28px 24px;
            position: relative;
            transition: var(--transition);
            text-align: left;
        }

        .step-card:hover {
            background: rgba(255, 255, 255, 0.07);
            transform: translateY(-4px);
        }

        .step-num {
            font-size: 15px;
            font-weight: 700;
            color: var(--mint);
            background: rgba(0, 215, 168, 0.12);
            border: 1px solid rgba(0, 215, 168, 0.2);
            border-radius: 60px;
            display: inline-flex;
            padding: 4px 16px;
            align-items: center;
            gap: 8px;
            margin-bottom: 22px;
        }

        .step-card h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .step-card p {
            color: var(--body-sub);
            font-size: 14.5px;
            line-height: 1.8;
            margin: 0;
        }

        /* FAQ */
        .faq-accordion {
            max-width: 880px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            transition: var(--transition);
            overflow: hidden;
        }

        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.24);
        }

        .faq-question {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            width: 100%;
            background: none;
            border: none;
            color: var(--body-text);
            padding: 22px 26px;
            font-size: 17px;
            font-weight: 600;
            text-align: left;
            cursor: pointer;
        }

        .faq-q-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 215, 168, 0.1);
            border-radius: 50%;
            border: 1px solid rgba(0, 215, 168, 0.15);
            color: var(--mint);
            margin-right: 6px;
        }

        .faq-q-icon i {
            font-size: 14px;
        }

        .faq-a-content {
            padding: 0 28px 24px 48px;
            color: var(--body-sub);
            font-size: 15px;
            line-height: 1.85;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-left: 26px;
            margin-right: 26px;
            padding-left: 0;
            padding-right: 0;
        }

        .faq-a-content p {
            margin-top: 16px;
        }

        /* CTA */
        .cta-panel {
            background: linear-gradient(135deg, rgba(0, 215, 168, 0.14), rgba(14, 33, 56, 0.4));
            border: 1px solid rgba(0, 215, 168, 0.28);
            border-radius: 26px;
            padding: 30px;
            text-align: center;
            position: relative;
            overflow: hidden;
            padding-block: 50px;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 50% 120%, rgba(0, 215, 168, 0.2), transparent 55%);
        }
        .cta-panel h2 {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 14px;
        }
        .cta-panel h2 .amp {
            color: var(--mint);
        }

        .cta-panel p.note {
            margin-bottom: 24px;
            max-width: 600px;
            margin-inline: auto;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: #04101C;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 60px 0 28px;
            position: relative;
            z-index: 1;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 50px;
        }

        .site-footer .footer-brand .logo {
            font-size: 22px;
            margin-bottom: 15px;
        }

        .site-footer .footer-brand p {
            color: var(--muted);
            font-size: 14.5px;
            line-height: 1.8;
            margin: 22px 0 14px;
        }

        .site-footer h4 {
            color: var(--body-text);
            font-size: 16px;
            margin-bottom: 18px;
            font-weight: 600;
        }

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

        .site-footer ul li {
            margin-bottom: 10px;
        }

        .site-footer ul li a {
            display: inline-block;
            font-size: 14px;
            color: var(--muted);
            text-decoration: none;
            padding-left: 0;
        }

        .site-footer ul li a:hover {
            color: var(--mint);
            transform: translateX(5px);
            transition: .35s;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 28px;
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 20px;
            font-size: 13.5px;
            color: var(--muted);
            flex-wrap: wrap;
        }

        .footer-bottom .copy {
            flex-shrink: 0;
        }

        .footer-bottom a {
            font-size: 13.5px;
            color: var(--muted);
            text-decoration: none;
            transition: var(--transition);
        }

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

        .floating-cta {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 1055;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(0, 215, 168, 0.88);
            color: #061a1e;
            padding: 14px 24px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 15px;
            box-shadow: 0 4px 25px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.12);
            transition: var(--transition);
            border: none;
            backdrop-filter: blur(8px);
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            text-decoration: none;
        }

        .floating-cta.show {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
        }

        .floating-cta:hover {
            background: var(--mint);
            transform: translateY(-3px);
            box-shadow: 0 10px 34px rgba(0, 215, 168, 0.3), 0 0 0 3px rgba(0, 215, 168, 0.18);
        }

        /* responsive */
        @media (max-width: 991px) {
            .category-banner {
                padding: 130px 0 50px;
            }
            .page-section {
                padding: 72px 0;
            }
            .desktop-only-btn {
                display: none;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .notice-cards-grid {
                grid-template-columns: repeat(4, 1fr);
            }
            .notice-card-item {
                grid-column: span 2;
            }
            .classic-steps {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        @media (max-width: 600px) {
            .container-custom {
                padding: 0 16px;
            }
            body {
                font-size: 15px;
            }
            .site-header .header-row {
                flex-wrap: wrap;
                gap: 10px;
                padding: 12px 0 4px;
            }
            .logo {
                font-size: 19px;
            }
            .logo i {
                font-size: 22px;
            }
            .header-search {
                height: 44px;
            }
            .category-banner {
                padding: 105px 0 38px;
            }
            .category-title {
                font-size: 28px;
                line-height: 1.3;
            }
            .page-section {
                padding: 58px 0;
            }
            .notice-cards-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .notice-card-item {
                grid-column: span 1;
                padding: 18px;
                min-height: 0;
                border-radius: 18px;
            }
            .notice-card-item .nc-title {
                font-size: 16px;
            }
            .notice-card-item .nc-desc {
                font-size: 13.5px;
                display: -webkit-box;
                -webkit-line-clamp: 3;
                -webkit-box-orient: vertical;
                overflow: hidden;
            }
            .nc-tag {
                margin-bottom: 12px;
                font-size: 12px;
            }
            .nc-foot {
                font-size: 12px;
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .feature-media img {
                height: 240px;
            }
            .timeline-wrap {
                padding-left: 34px;
            }
            .timeline-wrap::before {
                left: 7px;
            }
            .timeline-item {
                padding: 18px;
            }
            .timeline-item .dot {
                left: -31px;
            }
            .faq-item .faq-a-content {
                margin-left: 14px;
                margin-right: 14px;
                padding: 0 4px 18px;
            }
            .faq-question {
                padding: 18px;
                font-size: 15.5px;
                word-break: break-word;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .floating-cta {
                bottom: 16px;
                right: 16px;
                padding: 11px 16px;
                font-size: 14px;
                border-radius: 60px;
                line-height: 1.2;
            }
            .floating-cta i {
                font-size: 13px;
            }
            .container-custom {
                min-width: 0;
            }
        }