/* roulang page: index */
:root {
            --brand-600: #A63D2F;
            --brand-700: #842A20;
            --brand-surface: #F3E5DE;
            --sand-100: #F8F4ED;
            --sand-200: #F0E9DF;
            --card-bg: #FFFCF8;
            --ink-900: #1D1916;
            --ink-700: #57504A;
            --ink-500: #8A817A;
            --accent-500: #C8934F;
            --line-soft: rgba(29, 25, 22, 0.1);
            --line-dark: rgba(255, 255, 255, 0.18);
            --shadow-sm: 0 6px 16px rgba(29, 25, 22, 0.06);
            --shadow-lg: 0 24px 48px rgba(29, 25, 22, 0.12);
            --radius-btn: 999px;
            --radius-card: 16px;
            --radius-large: 20px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 90px;
        }

        body {
            margin: 0;
            font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background: var(--sand-100);
            color: var(--ink-900);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        body .container {
            max-width: 1200px;
        }

        img,
        svg {
            max-width: 100%;
            vertical-align: middle;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .22s ease, border-color .22s ease, background-color .22s ease, box-shadow .22s ease, transform .22s ease;
        }

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

        .wn-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: 80px;
            background: rgba(248, 244, 237, 0.88);
            -webkit-backdrop-filter: blur(12px);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line-soft);
            transition: box-shadow .25s ease;
        }

        .wn-header.is-scrolled {
            box-shadow: 0 8px 30px rgba(29, 25, 22, 0.06);
        }

        .wn-header-inner {
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

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

        .wn-brand-mark {
            width: 42px;
            height: 42px;
            border-radius: 14px;
            background: var(--brand-600);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            flex-shrink: 0;
        }

        .wn-brand-mark svg {
            width: 22px;
            height: 22px;
        }

        .wn-brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .wn-brand-main {
            font-size: 1.18rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--ink-900);
        }

        .wn-brand-sub {
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--ink-500);
        }

        .wn-nav {
            display: flex;
            align-items: center;
            gap: 38px;
            margin-left: auto;
        }

        .wn-nav a {
            position: relative;
            display: inline-flex;
            align-items: center;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--ink-900);
            padding: 12px 0;
            letter-spacing: 0.01em;
        }

        .wn-nav a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 6px;
            width: 0;
            height: 3px;
            border-radius: 3px;
            background: var(--brand-600);
            transition: width .25s ease;
        }

        .wn-nav a:hover {
            color: var(--brand-700);
        }

        .wn-nav a:hover::after {
            width: 46%;
        }

        .wn-nav a.active {
            color: var(--brand-700);
            font-weight: 700;
        }

        .wn-nav a.active::after {
            width: 46%;
        }

        .wn-header-cta {
            margin-left: 30px;
            flex-shrink: 0;
        }

        .wn-header-cta a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            min-height: 40px;
            padding: 0 22px;
            border-radius: var(--radius-btn);
            background: var(--brand-600);
            color: #fff;
            font-size: 0.88rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            transition: background-color .22s ease, transform .22s ease, box-shadow .22s ease;
        }

        .wn-header-cta a:hover {
            background: var(--brand-700);
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(166, 61, 47, 0.25);
        }

        .wn-toggler {
            border: 0;
            background: transparent;
            width: 46px;
            height: 46px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--ink-900);
            padding: 0;
            border-radius: 10px;
        }

        .wn-toggler svg {
            width: 22px;
            height: 22px;
        }

        .wn-toggler:focus {
            box-shadow: 0 0 0 3px rgba(166, 61, 47, 0.25);
        }

        .wn-drawer {
            background: var(--sand-100);
            width: 100% !important;
            max-width: 100%;
            padding: 32px;
        }

        .wn-drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 48px;
        }

        .wn-drawer-close {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            border: 1px solid var(--line-soft);
            background: transparent;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--ink-900);
            font-size: 1.4rem;
        }

        .wn-drawer-nav {
            display: flex;
            flex-direction: column;
        }

        .wn-drawer-nav a {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--ink-900);
            padding: 18px 0;
            border-bottom: 1px solid var(--line-soft);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .wn-drawer-nav a.active {
            color: var(--brand-700);
        }

        .wn-drawer-cta {
            margin-top: 40px;
        }

        .wn-drawer-cta .wn-btn {
            width: 100%;
            justify-content: center;
        }

        .wn-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            justify-content: center;
            min-height: 50px;
            padding: 0 30px;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            font-weight: 700;
            letter-spacing: 0.01em;
            border: 0;
            cursor: pointer;
            transition: all .25s ease;
        }

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

        .wn-btn-brand {
            background: var(--brand-600);
            color: #fff;
            box-shadow: 0 8px 22px rgba(166, 61, 47, 0.2);
        }

        .wn-btn-brand:hover {
            background: var(--brand-700);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 32px rgba(166, 61, 47, 0.28);
        }

        .wn-btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.55);
        }

        .wn-btn-outline-light:hover {
            background: #fff;
            color: var(--ink-900);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .wn-btn-dark-outline {
            background: transparent;
            color: var(--ink-900);
            border: 1px solid rgba(29, 25, 22, 0.2);
        }

        .wn-btn-dark-outline:hover {
            border-color: var(--ink-900);
            background: var(--ink-900);
            color: #fff;
            transform: translateY(-2px);
        }

        .wn-section {
            padding: 100px 0;
        }

        .wn-section-alt {
            background: var(--sand-200);
        }

        .wn-section-white {
            background: var(--sand-100);
        }

        .wn-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--brand-600);
            letter-spacing: 0.02em;
            text-transform: uppercase;
        }

        .wn-eyebrow::before {
            content: "";
            width: 28px;
            height: 2px;
            background: var(--brand-600);
            border-radius: 2px;
            display: inline-block;
        }

        .wn-section-title {
            font-size: clamp(1.5rem, 3vw, 2.1rem);
            font-weight: 800;
            line-height: 1.3;
            color: var(--ink-900);
            letter-spacing: -0.01em;
        }

        .wn-section-lead {
            color: var(--ink-700);
            font-size: 1rem;
            max-width: 720px;
            margin-top: 12px;
        }

        .wn-hero {
            position: relative;
            background: linear-gradient(100deg, rgba(28, 22, 18, 0.94) 0%, rgba(32, 27, 23, 0.8) 55%, rgba(32, 27, 23, 0.62) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 160px 0 110px;
            color: #fff;
            overflow: hidden;
        }

        .wn-hero::after {
            content: "";
            position: absolute;
            right: -220px;
            top: -220px;
            width: 480px;
            height: 480px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

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

        .wn-hero-eyebrow-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: 999px;
            padding: 7px 16px;
            font-size: 0.82rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.86);
            margin-bottom: 24px;
        }

        .wn-hero-eyebrow-tag i {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-500);
            display: inline-block;
        }

        .wn-hero h1 {
            font-size: clamp(2rem, 5vw, 3.6rem);
            line-height: 1.15;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.015em;
            margin-bottom: 22px;
            max-width: 680px;
        }

        .wn-hero h1 .accent {
            color: transparent;
            background: linear-gradient(120deg, #E5B47A, #F2D1A5);
            -webkit-background-clip: text;
            background-clip: text;
        }

        .wn-hero-desc {
            color: rgba(255, 255, 255, 0.76);
            font-size: 1.12rem;
            line-height: 1.85;
            max-width: 560px;
            margin-bottom: 34px;
        }

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

        .wn-hero-platform-tags {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px;
            margin-top: 48px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
        }

        .wn-hero-platform-tags span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

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

        .wn-browser-card {
            position: relative;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            padding: 14px;
            transform: rotate(1.2deg);
            backdrop-filter: blur(8px);
            margin-left: 12px;
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
        }

        .wn-browser-bar {
            display: flex;
            align-items: center;
            gap: 7px;
            padding: 6px 8px 14px 8px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 12px;
        }

        .wn-browser-bar i {
            display: block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
        }

        .wn-browser-bar i:nth-child(1) {
            background: #E26764;
        }

        .wn-browser-bar i:nth-child(2) {
            background: #E7B45B;
        }

        .wn-browser-bar i:nth-child(3) {
            background: #71B973;
        }

        .wn-browser-url {
            flex: 1;
            height: 28px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 8px;
            margin-left: 8px;
        }

        .wn-browser-img {
            border-radius: 14px;
            overflow: hidden;
            background: #2a241f;
        }

        .wn-browser-img img {
            width: 100%;
            height: auto;
            max-height: 410px;
            object-fit: cover;
            display: block;
        }

        .wn-float-chip {
            position: absolute;
            left: -22px;
            bottom: 54px;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 14px;
            padding: 12px 16px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #fff;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }

        .wn-float-chip-2 {
            position: absolute;
            right: -10px;
            top: 30px;
            background: var(--accent-500);
            border-radius: 999px;
            color: var(--ink-900);
            padding: 9px 18px;
            font-size: 0.82rem;
            font-weight: 700;
            box-shadow: 0 8px 20px rgba(200, 147, 79, 0.3);
        }

        .wn-trust {
            background: rgba(255, 255, 255, 0.03);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .wn-trust .row {
            margin: 0;
        }

        .wn-trust-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 0;
            min-height: 54px;
            border-right: 1px solid rgba(255, 255, 255, 0.1);
        }

        .wn-trust-item:last-child {
            border-right: 0;
        }

        .wn-trust-icon {
            width: 38px;
            height: 38px;
            flex-shrink: 0;
            border-radius: 50%;
            background: var(--brand-600);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
        }

        .wn-trust-icon svg {
            width: 17px;
            height: 17px;
        }

        .wn-trust-text {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
        }

        .wn-trust-text small {
            display: block;
            font-size: 0.75rem;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.56);
            line-height: 1.4;
        }

        .wn-slider-content .wn-slide {
            display: flex;
            align-items: center;
            gap: 44px;
            padding: 10px 0;
        }

        .wn-slide-img {
            flex-shrink: 0;
            width: 54%;
            border-radius: var(--radius-large);
            overflow: hidden;
            border: 1px solid var(--line-soft);
            box-shadow: var(--shadow-lg);
        }

        .wn-slide-img img {
            width: 100%;
            display: block;
            aspect-ratio: 4/3;
            object-fit: cover;
        }

        .wn-slide-body {
            flex: 1;
        }

        .wn-slide-body h3 {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .wn-slide-body p {
            color: var(--ink-700);
            margin-bottom: 18px;
        }

        .wn-slide-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .wn-slide-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 7px 0;
            font-size: 0.95rem;
            color: var(--ink-700);
        }

        .wn-slide-list li i {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--brand-600);
            display: inline-block;
            flex-shrink: 0;
        }

        .wn-carousel .carousel-indicators {
            position: static;
            margin: 40px 0 0;
            display: flex;
            justify-content: center;
            gap: 8px;
        }

        .wn-carousel .carousel-indicators [data-bs-target] {
            width: 8px;
            height: 8px;
            background: rgba(29, 25, 22, 0.2);
            border-radius: 999px;
            border: 0;
            opacity: 1;
            transition: all .25s ease;
        }

        .wn-carousel .carousel-indicators .active {
            width: 28px;
            background: var(--brand-600);
        }

        .wn-carousel .carousel-control-prev,
        .wn-carousel .carousel-control-next {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 1px solid var(--line-soft);
            background: var(--card-bg);
            opacity: 1;
            top: 50%;
            transform: translateY(-50%);
            bottom: auto;
            color: var(--ink-900);
            box-shadow: var(--shadow-sm);
        }

        .wn-carousel .carousel-control-prev {
            left: -56px;
        }

        .wn-carousel .carousel-control-next {
            right: -56px;
        }

        .wn-carousel .carousel-control-prev:hover,
        .wn-carousel .carousel-control-next:hover {
            background: var(--brand-600);
            border-color: var(--brand-600);
        }

        .wn-carousel .carousel-control-prev-icon,
        .wn-carousel .carousel-control-next-icon {
            background-image: none;
            width: 10px;
            height: 10px;
            border-style: solid;
            border-color: currentColor;
            background: transparent;
        }

        .wn-carousel .carousel-control-prev-icon {
            border-width: 2px 0 0 2px;
            transform: rotate(-45deg);
            margin-left: 4px;
        }

        .wn-carousel .carousel-control-next-icon {
            border-width: 2px 2px 0 0;
            transform: rotate(45deg);
            margin-right: 4px;
        }

        .wn-carousel .carousel-control-prev:hover .carousel-control-prev-icon,
        .wn-carousel .carousel-control-next:hover .carousel-control-next-icon {
            border-color: #fff;
        }

        .wn-env .wn-env-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .wn-env-card {
            background: var(--card-bg);
            border: 1px solid var(--line-soft);
            border-radius: var(--radius-card);
            padding: 28px;
            transition: box-shadow .25s ease, transform .25s ease;
        }

        .wn-env-card:hover {
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .wn-env-head {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .wn-env-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--brand-surface);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-700);
            flex-shrink: 0;
        }

        .wn-env-icon svg {
            width: 21px;
            height: 21px;
        }

        .wn-env-title {
            font-weight: 800;
            font-size: 1.05rem;
            line-height: 1.3;
        }

        .wn-env-title small {
            display: block;
            font-weight: 400;
            color: var(--ink-500);
            font-size: 0.76rem;
            line-height: 1.4;
        }

        .wn-env-desc {
            color: var(--ink-700);
            font-size: 0.92rem;
            margin: 0;
        }

        .wn-reviews {
            background: #201B17;
            color: #fff;
        }

        .wn-reviews .wn-section-title {
            color: #fff;
        }

        .wn-reviews .wn-section-lead {
            color: rgba(255, 255, 255, 0.64);
        }

        .wn-reviews-col {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .wn-reviews-col.review-offset {
            margin-top: 48px;
        }

        .wn-review-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-card);
            padding: 26px;
            transition: border-color .25s ease, background-color .25s ease;
        }

        .wn-review-card:hover {
            border-color: rgba(255, 255, 255, 0.24);
            background: rgba(255, 255, 255, 0.07);
        }

        .wn-review-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }

        .wn-review-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--brand-600);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            font-weight: 800;
            color: #fff;
            flex-shrink: 0;
        }

        .wn-review-name {
            font-size: 0.92rem;
            font-weight: 700;
            line-height: 1.3;
            color: #fff;
        }

        .wn-review-name small {
            display: block;
            font-weight: 400;
            font-size: 0.76rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .wn-review-stars {
            display: flex;
            gap: 3px;
            color: var(--accent-500);
            margin-bottom: 12px;
        }

        .wn-review-stars svg {
            width: 15px;
            height: 15px;
            fill: currentColor;
        }

        .wn-review-text {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.72);
            margin: 0;
            line-height: 1.75;
        }

        .wn-download-panel {
            background: var(--card-bg);
            border-radius: 24px;
            padding: 48px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--line-soft);
        }

        .wn-download-title {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }

        .wn-download-major {
            display: flex;
            align-items: stretch;
            gap: 28px;
            padding-bottom: 34px;
            border-bottom: 1px solid var(--line-soft);
            margin-bottom: 28px;
        }

        .wn-download-major-text {
            flex: 1;
        }

        .wn-download-major-text h3 {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 6px;
        }

        .wn-download-major-text p {
            color: var(--ink-700);
            margin: 0;
            font-size: 0.92rem;
        }

        .wn-qr-mini {
            border-radius: 12px;
            border: 1px solid var(--line-soft);
            padding: 10px;
            background: #fff;
            flex-shrink: 0;
        }

        .wn-qr-mini img {
            width: 110px;
            height: 110px;
            display: block;
            border-radius: 8px;
            object-fit: cover;
        }

        .wn-platform-btns {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .wn-platform-btn {
            display: inline-flex;
            align-items: center;
            gap: 14px;
            min-height: 70px;
            border-radius: 14px;
            padding: 14px 20px;
            border: 1px solid var(--line-soft);
            background: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--ink-900);
            transition: all .25s ease;
        }

        .wn-platform-btn:hover {
            border-color: var(--brand-600);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .wn-platform-btn-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--brand-surface);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-700);
            flex-shrink: 0;
        }

        .wn-platform-btn-icon svg {
            width: 19px;
            height: 19px;
        }

        .wn-platform-btn small {
            display: block;
            font-weight: 400;
            color: var(--ink-500);
            font-size: 0.76rem;
            line-height: 1.3;
        }

        .wn-faq .wn-entry-side {
            border-left: 1px solid var(--line-soft);
            padding-left: 32px;
        }

        .wn-accordion .accordion-item {
            background: transparent;
            border: 0;
            border-top: 1px solid var(--line-soft);
            border-radius: 0 !important;
        }

        .wn-accordion .accordion-item:last-child {
            border-bottom: 1px solid var(--line-soft);
        }

        .wn-accordion .accordion-button {
            background: transparent;
            box-shadow: none;
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--ink-900);
            padding: 22px 40px 22px 0;
            border: 0;
            position: relative;
        }

        .wn-accordion .accordion-button:hover {
            color: var(--brand-700);
        }

        .wn-accordion .accordion-button:not(.collapsed) {
            color: var(--brand-700);
            background: transparent;
        }

        .wn-accordion .accordion-button:focus,
        .wn-accordion .accordion-button:focus-visible {
            box-shadow: none;
            outline: 2px solid rgba(166, 61, 47, 0.28);
            outline-offset: 3px;
        }

        .wn-accordion .accordion-button::after {
            width: 10px;
            height: 10px;
            background-size: contain;
            position: absolute;
            right: 14px;
            transform: rotate(45deg);
            transition: transform .25s ease;
        }

        .wn-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg) scaleX(-1);
        }

        .wn-accordion .accordion-body {
            padding: 0 40px 26px 0;
            color: var(--ink-700);
            font-size: 0.95rem;
            line-height: 1.9;
        }

        .wn-news .wn-news-card {
            display: flex;
            background: var(--card-bg);
            border: 1px solid var(--line-soft);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: box-shadow .25s ease, transform .25s ease;
        }

        .wn-news .wn-news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .wn-news-cover {
            width: 92px;
            height: 92px;
            flex-shrink: 0;
            border-radius: 0;
            overflow: hidden;
        }

        .wn-news-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .wn-news-body {
            padding: 20px 22px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .wn-news-title {
            font-size: 1.05rem;
            font-weight: 700;
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .wn-news-title a:hover {
            color: var(--brand-700);
        }

        .wn-news-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.8rem;
            color: var(--ink-500);
        }

        .wn-badge {
            display: inline-flex;
            align-items: center;
            background: var(--brand-surface);
            color: var(--brand-700);
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: 999px;
            padding: 4px 12px;
            line-height: 1.5;
        }

        .wn-news-empty {
            border: 1px dashed var(--line-soft);
            border-radius: var(--radius-card);
            padding: 60px 24px;
            text-align: center;
            color: var(--ink-500);
            font-size: 1rem;
            background: var(--card-bg);
        }

        .wn-footer {
            background: var(--ink-900);
            color: rgba(255, 255, 255, 0.82);
            padding-top: 80px;
            font-size: 0.92rem;
        }

        .wn-footer a {
            color: rgba(255, 255, 255, 0.7);
        }

        .wn-footer a:hover {
            color: var(--accent-500);
        }

        .wn-footer .wn-brand-main {
            color: #fff;
        }

        .wn-footer .wn-brand-sub {
            color: rgba(255, 255, 255, 0.45);
        }

        .wn-footer-head {
            padding-bottom: 54px;
            border-bottom: 1px solid var(--line-dark);
        }

        .wn-footer-title {
            font-size: 0.88rem;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.96);
            margin-bottom: 18px;
        }

        .wn-footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .wn-footer-links li a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.92rem;
        }

        .wn-footer-links li a::before {
            content: "·";
            color: var(--accent-500);
            font-weight: 700;
            transition: transform .2s ease;
        }

        .wn-newsletter {
            margin-top: 4px;
        }

        .wn-newsletter label {
            font-size: 0.85rem;
            margin-bottom: 8px;
            color: rgba(255, 255, 255, 0.6);
        }

        .wn-newsletter-box {
            display: flex;
            gap: 4px;
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 999px;
            padding: 4px;
            background: transparent;
            transition: border-color .25s ease;
        }

        .wn-newsletter-box:focus-within {
            border-color: var(--accent-500);
        }

        .wn-newsletter-box input {
            flex: 1;
            background: transparent;
            border: 0;
            color: #fff;
            padding: 0 16px;
            font-size: 0.88rem;
            outline: none;
            min-width: 0;
        }

        .wn-newsletter-box input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        .wn-newsletter-box button {
            background: var(--accent-500);
            color: var(--ink-900);
            border: 0;
            border-radius: 999px;
            padding: 8px 18px;
            font-weight: 700;
            font-size: 0.82rem;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: background-color .25s ease;
        }

        .wn-newsletter-box button:hover {
            background: #d9a968;
        }

        .wn-footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            align-items: center;
            flex-wrap: wrap;
            padding: 24px 0;
            color: rgba(255, 255, 255, 0.38);
            font-size: 0.78rem;
            border-top: 1px solid var(--line-dark);
            margin-top: 48px;
        }

        @media (min-width: 1200px) {
            .wn-carousel .carousel-indicators {
                position: static;
            }
        }

        @media (max-width: 1199.98px) {
            .wn-carousel .carousel-control-prev {
                left: -12px;
            }
            .wn-carousel .carousel-control-next {
                right: -12px;
            }
            .wn-carousel .carousel-control-prev,
            .wn-carousel .carousel-control-next {
                display: none;
            }
        }

        @media (max-width: 991.98px) {
            .wn-section {
                padding: 80px 0;
            }
            .wn-hero {
                padding: 132px 0 80px;
            }
            .wn-hero-media {
                margin-top: 60px;
            }
            .wn-browser-card {
                transform: none;
                margin-left: 0;
                max-width: 560px;
            }
            .wn-float-chip {
                left: 10px;
                bottom: auto;
                top: -12px;
            }
            .wn-trust-item {
                border-right: 0;
            }
            .wn-slide {
                flex-direction: column;
            }
            .wn-slide-img {
                width: 100%;
                border-radius: 16px;
            }
            .wn-slide-body {
                width: 100%;
            }
            .wn-env-grid {
                grid-template-columns: 1fr;
            }
            .wn-download-panel {
                padding: 32px 24px;
            }
        }

        @media (max-width: 767.98px) {
            .wn-hero {
                padding: 120px 0 60px;
            }
            .wn-hero-actions .wn-btn {
                width: 100%;
                justify-content: center;
            }
            .wn-review-offset,
            .wn-reviews-col.review-offset {
                margin-top: 0;
            }
            .wn-platform-btns {
                grid-template-columns: 1fr;
            }
            .wn-download-major {
                flex-direction: column;
            }
            .wn-download-major .wn-qr-mini {
                align-self: center;
            }
            .wn-section {
                padding: 64px 0;
            }
            .wn-faq .wn-entry-side {
                border-left: 0;
                padding-left: 0;
                margin-top: 30px;
            }
            .wn-footer-head .row {
                row-gap: 36px;
            }
        }

        @media (max-width: 575.98px) {
            .wn-header-cta {
                display: none;
            }
            .wn-brand-main {
                font-size: 1.02rem;
            }
            .wn-brand-sub {
                font-size: 0.62rem;
            }
            .wn-brand-mark {
                width: 36px;
                height: 36px;
                border-radius: 12px;
            }
            .wn-hero-actions .wn-btn {
                min-height: 50px;
                font-size: 0.92rem;
            }
            .wn-trust-item {
                min-height: 44px;
                padding: 14px 0;
            }
            .wn-carousel .carousel-indicators {
                margin-top: 28px;
            }
            .wn-env-card {
                padding: 22px;
            }
            .wn-review-card {
                padding: 22px;
            }
            .wn-download-panel {
                padding: 24px 18px;
            }
            .wn-platform-btn {
                padding: 12px 16px;
            }
            .wn-reviews-col {
                gap: 16px;
            }
            .wn-review-offset {
                margin-top: 16px;
            }
            .wn-footer {
                padding-top: 60px;
            }
        }

/* roulang page: article */
:root{
  --brand-600:#A63D2F;
  --brand-700:#842A20;
  --brand-surface:#F5E6DD;
  --sand-100:#F8F4ED;
  --sand-200:#F0E9DF;
  --card-bg:#FFFCF8;
  --ink-900:#1D1916;
  --ink-700:#57504A;
  --ink-500:#8A817A;
  --accent-500:#C8934F;
  --line-soft:rgba(29,25,22,.1);
  --line-dark:rgba(255,255,255,.18);
  --shadow-sm:0 6px 16px rgba(29,25,22,.06);
  --shadow-lg:0 24px 48px rgba(29,25,22,.12);
  --radius-sm:8px;
  --radius-md:16px;
  --radius-lg:24px;
  --space-section:100px;
  --body-font:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--body-font);
  color:var(--ink-900);
  background:var(--sand-100);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink-900);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-600)}
button,input{font-family:inherit}
.container{max-width:1200px}
h1,h2,h3,h4,h5,h6{color:var(--ink-900);font-weight:750;letter-spacing:-.01em;margin:0 0 .5rem}
p{margin:0 0 1rem}
:focus-visible{outline:2px solid var(--ink-900);outline-offset:3px;border-radius:4px}

.wn-header{
  position:fixed;top:0;left:0;right:0;z-index:1080;
  height:80px;
  background:rgba(248,244,237,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
  transition:box-shadow .2s ease;
}
.wn-header.scrolled{box-shadow:var(--shadow-sm)}
.wn-header-inner{height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.wn-brand{
  display:inline-flex;align-items:center;gap:10px;
  line-height:1.1;color:inherit;
}
.wn-brand:hover{color:inherit}
.wn-brand-icon{
  width:40px;height:40px;border-radius:12px;
  background:var(--ink-900);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;flex:0 0 auto;
}
.wn-brand-text{display:flex;flex-direction:column;line-height:1.2}
.wn-brand-main{font-size:19px;font-weight:800;letter-spacing:.01em;color:inherit}
.wn-brand-sub{font-size:11.5px;font-weight:600;color:var(--ink-500);letter-spacing:.045em}

.wn-brand-header{align-items:center}
.wn-brand-header .wn-brand-sub{color:var(--brand-600)}
.wn-nav{display:none;align-items:center;gap:34px;margin:0}
.wn-nav a{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-900);
  padding:6px 0;transition:color .2s ease;
}
.wn-nav a:hover{color:var(--brand-700)}
.wn-nav a.active{color:var(--brand-700)}
.wn-nav a.active::after,.wn-nav a:focus-visible::after{
  content:"";position:absolute;left:2px;right:auto;bottom:2px;width:50%;max-width:54px;
  height:3px;border-radius:99px;background:var(--brand-600);
}
.btn-wn-brand,.wn-header-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:50px;padding:0 28px;border-radius:999px;
  background:var(--brand-600);border:1px solid var(--brand-600);
  color:#fff;font-weight:700;font-size:15px;white-space:nowrap;
  transition:all .2s ease;
}
.btn-wn-brand:hover,.wn-header-cta:hover,.btn-wn-brand:focus-visible{
  background:var(--brand-700);border-color:var(--brand-700);color:#fff;
  box-shadow:0 14px 26px rgba(132,42,32,.2);transform:translateY(-2px);
}
.btn-wn-brand:active{transform:translateY(0)}
.wn-header-cta{height:42px;padding:0 22px;font-size:14px}

.wn-mobile-burger{
  display:inline-flex;width:44px;height:44px;margin-left:6px;
  border:1px solid var(--line-soft);border-radius:10px;
  background:transparent;align-items:center;justify-content:center;color:var(--ink-900);
}
.wn-mobile-burger:hover{background:var(--sand-200);color:var(--brand-700)}
.wn-burger-icon{width:20px;height:2px;background:currentColor;position:relative;border-radius:2px;transition:background .2s}
.wn-burger-icon::before,.wn-burger-icon::after{content:"";position:absolute;left:0;width:20px;height:2px;background:currentColor;border-radius:2px;transition:all .2s}
.wn-burger-icon::before{top:-6px}
.wn-burger-icon::after{top:6px}
.wn-mobile-layer{
  position:fixed;inset:0;background:rgba(24,19,16,.45);opacity:0;visibility:hidden;
  transition:opacity .2s,visibility .2s;z-index:1090;
}
.wn-mobile-layer.open{opacity:1;visibility:visible;background:rgba(24,19,16,.42)}
.wn-mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,420px);z-index:1100;
  background:var(--sand-100);transform:translateX(104%);
  transition:transform .25s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;overflow-y:auto;
  box-shadow:var(--shadow-lg);
}
.wn-mobile-drawer.open{transform:translateX(0)}
.wn-mobile-head{display:flex;align-items:center;justify-content:space-between;padding:28px 24px 0}
.wn-mobile-close{
  width:44px;height:44px;border:1px solid var(--line-soft);
  border-radius:50%;background:transparent;color:var(--ink-900);font-size:22px;line-height:1;
}
.wn-mobile-menu{padding:22px 28px 30px;display:flex;flex-direction:column;gap:4px}
.wn-mobile-menu a{
  font-size:24px;font-weight:750;line-height:2.4;
  border-bottom:1px solid var(--line-soft);color:var(--ink-900);
}
.wn-mobile-menu a:hover{color:var(--brand-700);border-bottom-color:var(--brand-600)}
.wn-mobile-menu a.wn-mobile-cta{
  display:flex;align-items:center;justify-content:center;
  margin-top:28px;background:var(--brand-600);color:#fff;
  border:none;border-radius:14px;font-size:17px;height:56px;line-height:1;
}
.wn-mobile-sub{font-size:13px;color:var(--ink-500);margin-top:16px;padding-top:18px}

main{min-height:75vh;padding-top:80px}
.wn-main{overflow:hidden}

.wn-crumb{
  background:var(--sand-200);
  border-bottom:1px solid var(--line-soft);
}
.wn-crumb-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0;flex-wrap:wrap}
.wn-crumb-list{display:flex;align-items:center;gap:8px;margin:0;padding:0;list-style:none;flex-wrap:wrap}
.wn-crumb-list li{color:var(--ink-500);font-size:13.5px;line-height:1.4;display:inline-flex;align-items:center;gap:8px}
.wn-crumb-list li+li::before{content:"/";color:var(--ink-500);opacity:.6}
.wn-crumb-list a{color:var(--ink-700)}
.wn-crumb-list a:hover{color:var(--brand-600)}
.wn-crumb-current{max-width:260px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.wn-article-top{padding:60px 0 36px;background:var(--sand-100)}
.wn-article-top .container{max-width:860px}
.wn-kicker{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;color:var(--brand-600);letter-spacing:.02em;margin-bottom:16px}
.wn-kicker::before{content:"";width:26px;height:3px;border-radius:3px;background:var(--brand-600)}
.wn-article-page-title{
  font-size:clamp(1.75rem,4.3vw,3.1rem);
  font-weight:820;line-height:1.16;max-width:780px;margin-bottom:20px;letter-spacing:-.02em;
}
.wn-article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 22px;color:var(--ink-500);font-size:14px}
.wn-article-meta .meta-dot{width:3px;height:3px;border-radius:50%;background:var(--ink-500);opacity:.5}
.wn-cat-badge{
  display:inline-flex;align-items:center;background:var(--brand-surface);
  color:var(--brand-700);font-size:12.5px;font-weight:700;
  border-radius:99px;padding:5px 14px;line-height:1.4;
}
.wn-article-main{padding:0 0 40px;background:var(--sand-100)}
.wn-article-main .container{max-width:860px}
.wn-article-cover{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  margin-bottom:30px;box-shadow:var(--shadow-sm);
}
.wn-article-cover img{width:100%;height:420px;object-fit:cover}
.wn-article-cover span{
  display:block;text-align:center;font-size:13px;color:var(--ink-500);
  padding:8px 12px 2px;background:var(--card-bg);
}

.wn-article-body{
  max-width:720px;margin:0 auto;font-size:17px;line-height:1.92;
  color:#201C18;background:var(--sand-100);
}
.wn-article-body p{margin:0 0 1.32em}
.wn-article-body h2{
  font-size:1.55rem;font-weight:780;line-height:1.4;margin:44px 0 16px;padding-bottom:10px;
  border-bottom:1px solid var(--line-soft);
}
.wn-article-body h3{font-size:1.22rem;font-weight:730;margin:34px 0 12px}
.wn-article-body ul,.wn-article-body ol{padding-left:1.4rem;margin-bottom:1.4em}
.wn-article-body li{margin-bottom:6px}
.wn-article-body a{color:var(--brand-700);font-weight:600;text-decoration:underline;text-decoration-color:rgba(166,61,47,.45);text-underline-offset:3px}
.wn-article-body a:hover{text-decoration-color:var(--brand-600);color:var(--brand-600)}
.wn-article-body img{border-radius:14px}
.wn-article-body blockquote{
  margin:24px 0;padding:8px 0 8px 24px;border-left:3px solid var(--brand-600);
  color:var(--ink-700);font-size:1.04rem;
}
.wn-article-body code{
  background:#F3EDE4;border-radius:7px;padding:2px 8px;font-size:.9em;color:var(--brand-700);
}

.wn-article-outro{
  max-width:720px;margin:0 auto;padding-top:8px;
  border-top:1px solid var(--line-soft);margin-top:20px;
}
.wn-tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;padding-top:22px}
.wn-tag{
  display:inline-flex;padding:6px 15px;border:1px solid var(--line-soft);border-radius:99px;
  background:var(--card-bg);color:var(--ink-700);font-size:13px;transition:all .2s;
}
.wn-tag:hover{background:var(--brand-surface);border-color:var(--brand-surface);color:var(--brand-700)}
.wn-post-nav{align-items:stretch}
.wn-post-nav .btn-wn-brand{height:46px;padding:0 18px;font-size:14px}

.wn-empty{
  max-width:760px;margin:0 auto;background:var(--card-bg);
  border:1px solid var(--line-soft);border-radius:var(--radius-lg);
  padding:56px 30px;text-align:center;box-shadow:var(--shadow-sm);
}
.wn-empty-mark{
  width:70px;height:70px;margin:0 auto 22px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-surface);color:var(--brand-600);font-size:30px;line-height:1;
}
.wn-empty h1{font-size:27px;margin-bottom:10px}
.wn-empty p{color:var(--ink-700);max-width:520px;margin:0 auto 26px}
.wn-empty-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

.wn-related{
  background:var(--sand-200);
  padding:var(--space-section) 0;
}
.wn-section-head{margin-bottom:40px}
.wn-section-head .eyebrow{
  display:flex;align-items:center;gap:10px;font-size:13px;font-weight:750;color:var(--brand-600);
  text-transform:none;letter-spacing:.02em;margin-bottom:12px;
}
.wn-section-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--brand-600);border-radius:3px}
.wn-section-head h2{font-size:clamp(1.45rem,2.7vw,2rem);margin:0}
.wn-section-head p{margin-top:12px;color:var(--ink-700);max-width:560px}

.wn-related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.wn-related-card{
  display:flex;background:var(--card-bg);border-radius:var(--radius-md);
  border:1px solid rgba(29,25,22,.07);overflow:hidden;
  transition:box-shadow .25s ease,transform .25s ease;height:100%;min-height:170px;
}
.wn-related-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.wn-related-media{width:42%;min-width:150px;overflow:hidden;background:var(--sand-100)}
.wn-related-media img{width:100%;height:100%;object-fit:cover}
.wn-related-info{padding:24px;display:flex;flex-direction:column;justify-content:center}
.wn-related-info h3{font-size:1.08rem;font-weight:740;line-height:1.4;margin-bottom:8px}
.wn-related-info p{color:var(--ink-700);font-size:14px;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.wn-related-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--ink-500);margin-top:12px}
.wn-related-meta span{display:flex;align-items:center;gap:6px}
.wn-related-meta i{font-style:normal;width:8px;height:8px;border-radius:50%;background:var(--accent-500);display:inline-block}

.wn-cta-block{
  background:linear-gradient(100deg,rgba(29,25,22,.95),rgba(32,27,23,.65) 130%),url('/assets/images/backpic/back-2.png') center/cover;
  color:rgba(255,255,255,.88);padding:86px 0;
}
.wn-cta-copy h2{color:#fff;font-size:clamp(1.7rem,3.6vw,2.5rem);max-width:600px}
.wn-cta-copy p{margin-top:14px;max-width:560px;font-size:15.5px;color:rgba(255,255,255,.6)}
.wn-cta-buttons{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.btn-wn-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;font-weight:700;font-size:15px;
  background:#fff;color:var(--ink-900);transition:all .2s;
}
.btn-wn-light:hover{background:var(--sand-200);color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-wn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;
  border:1px solid rgba(255,255,255,.55);color:#fff;font-weight:700;font-size:15px;
  transition:all .2s;
}
.btn-wn-outline:hover{background:#fff;color:var(--ink-900);transform:translateY(-2px);border-color:#fff}

.wn-footer{
  background:var(--ink-900);
  color:rgba(255,255,255,.65);
  padding:80px 0 30px;
}
.wn-footer .wn-brand{color:#fff}
.wn-footer .wn-brand-sub{color:rgba(255,255,255,.42)}
.wn-footer-head{padding-bottom:52px;border-bottom:1px solid var(--line-dark)}
.wn-footer-title{
  color:#fff;font-size:14px;font-weight:700;margin-bottom:17px;letter-spacing:.025em;
  display:flex;align-items:center;gap:8px;
}
.wn-footer-title::before{content:"";width:15px;height:2px;background:var(--accent-500);display:inline-block}
.wn-footer-links{list-style:none;padding:0;margin:0}
.wn-footer-links li{margin-bottom:10px}
.wn-footer-links a{color:rgba(255,255,255,.55);font-size:14px;transition:color .2s}
.wn-footer-links a:hover{color:var(--accent-500);border-bottom:1px solid rgba(255,255,255,.3)}
.wn-newsletter label{display:block;font-size:13px;color:rgba(255,255,255,.5);margin-bottom:12px}
.wn-newsletter-box{display:flex;border-bottom:1px solid rgba(255,255,255,.5);max-width:390px}
.wn-newsletter-box input{
  flex:1;min-width:0;background:transparent;border:0;
  padding:12px 4px 12px 0;color:#fff;font-size:14px;
  border-radius:0;
}
.wn-newsletter-box input::placeholder{color:rgba(255,255,255,.4)}
.wn-newsletter-box input:focus{outline:none;box-shadow:none;border-bottom-color:var(--brand-600);background:transparent}
.wn-newsletter-box button{
  background:transparent;border:0;color:var(--accent-500);font-weight:700;font-size:14px;padding:0 0 0 12px;
}
.wn-newsletter-box button:hover{color:var(--brand-600)}
.wn-footer-bottom{
  display:flex;flex-wrap:wrap;gap:6px 30px;justify-content:space-between;
  color:rgba(255,255,255,.34);font-size:13px;padding-top:32px;
}

.d-lg-none{display:block !important}
@media (min-width:992px){
  .wn-nav{display:flex!important}
  .d-lg-none{display:none!important}
  .wn-header-inner{width:1200px;margin:0 auto;padding:0 24px}
}
@media (max-width:1199.98px){
  .container,.wn-header-inner{padding-left:24px;padding-right:24px}
  .wn-cta-block{padding:70px 0}
  .wn-article-cover img{height:340px}
}
@media (max-width:991.98px){
  .wn-header-inner{justify-content:flex-start}
  .wn-header-inner .wn-nav,.wn-header-inner .wn-header-cta{display:none}
  .wn-mobile-burger{margin-left:auto}
  .wn-article-page-title{max-width:100%}
  .wn-article-main .container,.wn-article-top .container{max-width:860px}
  .wn-related-grid{grid-template-columns:1fr;gap:20px}
  .wn-cta-block{padding:60px 0}
  .wn-cta-copy h2{font-size:2rem}
  .wn-footer{padding-top:60px}
}
@media (max-width:767.98px){
  :root{--space-section:72px}
  .wn-header{height:72px}
  .wn-header-inner{height:72px}
  main{padding-top:72px}
  .wn-brand-main{font-size:17px}
  .wn-header-cta{height:40px;padding:0 18px;font-size:13.5px}
  .wn-article-top{padding:44px 0 24px}
  .wn-article-page-title{font-size:1.9rem}
  .wn-article-cover img{height:240px}
  .wn-article-body{font-size:16px;line-height:1.88}
  .wn-tag-row{padding-top:10px}
  .wn-section-head{margin-bottom:28px}
  .wn-related-card{flex-direction:column;min-height:auto}
  .wn-related-media{width:100%;height:180px}
  .wn-related-info{padding:20px}
  .wn-cta-copy h2{font-size:1.65rem}
  .wn-cta-buttons{gap:10px}
  .wn-cta-buttons .btn-wn-light,.wn-cta-buttons .btn-wn-outline{flex:1 1 100%;width:100%}
  .wn-article-main{padding-bottom:8px}
}
@media (max-width:575.98px){
  .container,.wn-header-inner{padding-left:18px;padding-right:18px}
  .wn-article-top{padding:26px 0 18px}
  .wn-article-page-title{font-size:1.65rem}
  .wn-kicker{margin-bottom:12px}
  .wn-article-meta{gap:4px 12px}
  .wn-article-body p{font-size:15.5px}
  .wn-empty{padding:38px 18px}
  .wn-empty-actions{gap:10px}
  .wn-empty-actions .btn-wn-brand{flex:1 1 100%}
  .wn-crumb-current{display:none}
  .wn-related-info h3{font-size:1.02rem}
  .wn-related-info p{-webkit-line-clamp:2}
  .wn-footer-links a{font-size:13.5px}
  .wn-newsletter-box input{font-size:15px}
  .wn-footer{padding:56px 0 24px}
}

/* roulang page: category1 */
:root {
  --brand-600: #A63D2F;
  --brand-700: #842A20;
  --brand-surface: #F3E5DE;
  --sand-100: #F8F4ED;
  --sand-200: #F0E9DF;
  --card-bg: #FFFCF8;
  --ink-900: #1D1916;
  --ink-700: #57504A;
  --ink-500: #8A817A;
  --accent-500: #C8934F;
  --line-soft: rgba(29,25,22,0.1);
  --line-dark: rgba(255,255,255,0.18);
  --shadow-sm: 0 6px 16px rgba(29,25,22,0.06);
  --shadow-lg: 0 24px 48px rgba(29,25,22,0.12);
  --radius-sm: 8px;
  --radius-card: 16px;
  --font-sans: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--sand-100);
  color: var(--ink-900);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; vertical-align: middle; }

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

a:hover { color: var(--brand-600); }

p { margin: 0; }

h1, h2, h3, h4 { margin: 0; font-weight: 700; line-height: 1.3; }

.container { max-width: 1200px; }

main { overflow: hidden; }

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

/* Header */
.wn-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1050;
  height: 80px;
  background: rgba(248,244,237,0.88);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-soft);
}

.wn-header-inner {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.wn-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  line-height: 1.1;
  min-width: 0;
}

.wn-brand-mark {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  border-radius: 10px;
  background: var(--brand-600);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0;
}

.wn-brand-text { display: flex; flex-direction: column; gap: 1px; line-height: 1.2; }

.wn-brand-main { font-size: 20px; font-weight: 800; letter-spacing: -0.01em; color: var(--ink-900); }

.wn-brand-sub { font-size: 11px; color: var(--ink-500); letter-spacing: 0.05em; }

.wn-nav { display: flex; align-items: center; gap: 34px; margin-left: auto; }

.wn-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-900);
  padding: 10px 0;
}

.wn-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 40%;
  height: 2px;
  border-radius: 2px;
  background: var(--brand-600);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.25s ease;
}

.wn-nav a:hover,
.wn-nav a.active {
  color: var(--brand-700);
}

.wn-nav a.active::after,
.wn-nav a:hover::after {
  transform: scaleX(1);
}

.wn-header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 20px;
  background: var(--brand-600);
  color: #fff !important;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
  white-space: nowrap;
}

.wn-header-cta:hover,
.wn-header-cta:focus-visible {
  background: var(--brand-700);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(140, 52, 35, 0.25);
}

.wn-burger {
  width: 48px;
  height: 48px;
  border: 0;
  background: transparent;
  border-radius: 10px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.wn-burger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink-900);
  border-radius: 2px;
}

.wn-mobile-menu {
  background: var(--sand-100);
  border-bottom: 1px solid var(--line-soft);
}

.wn-mobile-menu-inner {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 0 20px;
}

.wn-mobile-menu-inner a {
  display: flex;
  align-items: center;
  min-height: 48px;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink-900);
  border-bottom: 1px solid var(--line-soft);
}

.wn-mobile-menu-inner a:last-child { border-bottom: 0; }

.wn-mobile-menu-inner a.active { color: var(--brand-700); }

/* Buttons */
.btn {
  --bs-btn-focus-box-shadow: none;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  border: 1px solid transparent;
  min-height: 50px;
  padding: 0 28px;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease, border-color 0.22s ease, color 0.22s ease;
}

.btn-brand {
  background: var(--brand-600);
  color: #fff;
}

.btn-brand:hover,
.btn-brand:focus-visible {
  background: var(--brand-700);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(140,52,35,0.28);
}

.btn-outline-light-custom {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.55);
}

.btn-outline-light-custom:hover,
.btn-outline-light-custom:focus-visible {
  background: #fff;
  color: var(--ink-900);
  border-color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(0,0,0,0.18);
}

.btn-soft-dark {
  background: var(--sand-200);
  color: var(--ink-900);
  border-color: transparent;
}

.btn-soft-dark:hover {
  background: var(--brand-surface);
  color: var(--brand-700);
  transform: translateY(-2px);
}

.btn:focus-visible {
  outline: 2px solid var(--ink-900);
  outline-offset: 3px;
  box-shadow: none;
}

/* Breadcrumb */
.wn-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,0.62);
}

.wn-breadcrumb a { color: rgba(255,255,255,0.78); }

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

.wn-breadcrumb-sep { opacity: 0.55; }

/* Hero */
.wn-cat-hero {
  position: relative;
  background: #201B17;
  color: #fff;
  padding: 180px 0 86px;
}

.cat-hero-bg,
.cat-hero-mask {
  position: absolute;
  inset: 0;
}

.cat-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.cat-hero-mask {
  background: rgba(32,27,23,0.78);
  z-index: 1;
}

.wn-cat-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.wn-cat-hero-box { max-width: 760px; }

.wn-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 700;
  color: rgba(255,255,255,0.72);
  margin-top: 16px;
  letter-spacing: 0.02em;
}

.wn-hero-eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--accent-500);
}

.wn-cat-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #fff;
  margin: 14px 0 16px;
}

.wn-cat-hero h1 .hero-block {
  display: block;
  color: var(--accent-500);
}

.wn-cat-hero p {
  color: rgba(255,255,255,0.78);
  font-size: 16px;
  max-width: 680px;
}

.wn-cat-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

/* Information strip */
.wn-checkbar {
  border-bottom: 1px solid var(--line-soft);
  background: var(--card-bg);
}

.wn-checkbar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.wn-checkbar-cell {
  padding: 28px 24px;
  border-left: 1px solid var(--line-soft);
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.wn-checkbar-cell:first-child { border-left: 0; padding-left: 0; }

.wn-checkbar-cell:last-child { padding-right: 0; }

.wn-check-icon {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border-radius: 50%;
  background: var(--brand-surface);
  color: var(--brand-600);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.wn-checkbar-cell h2 {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink-900);
  margin-bottom: 4px;
}

.wn-checkbar-cell p {
  font-size: 13px;
  color: var(--ink-700);
  line-height: 1.6;
}

/* Section layout */
.wn-section {
  padding: 92px 0;
}

.wn-section + .wn-section { border-top: 0; }

.wn-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 700;
  color: var(--brand-600);
  letter-spacing: 0.03em;
}

.wn-eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--brand-600);
}

.wn-section-title {
  font-size: clamp(1.55rem, 3vw, 2.2rem);
  font-weight: 750;
  color: var(--ink-900);
  line-height: 1.28;
  margin-top: 12px;
}

.wn-section-desc {
  color: var(--ink-700);
  font-size: 16px;
  max-width: 620px;
  margin-top: 14px;
}

/* Guide items */
.wn-guide-list {
  margin-top: 40px;
}

.wn-guide-item {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line-soft);
}

.wn-guide-item:first-child { padding-top: 0; }

.wn-guide-idx {
  flex: 0 0 88px;
  display: flex;
  align-items: center;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-500);
  letter-spacing: 0.02em;
}

.wn-guide-idx span { font-size: 40px; font-weight: 800; color: var(--brand-600); line-height: 1; }

.wn-guide-body { flex: 1 1 auto; min-width: 0; }

.wn-guide-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: 8px;
}

.wn-guide-body p {
  color: var(--ink-700);
  font-size: 15px;
  max-width: 860px;
  margin-bottom: 8px;
}

.wn-guide-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--brand-600);
  font-size: 14px;
  font-weight: 600;
  border-bottom: 1px solid rgba(166,61,47,0.35);
  line-height: 1.4;
}

.wn-guide-link svg { transition: transform 0.2s ease; }

.wn-guide-link:hover { color: var(--brand-700); border-bottom-color: var(--brand-700); }

.wn-guide-link:hover svg { transform: translateX(3px); }

/* Web vs app */
.wn-scene-zone { background: var(--card-bg); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }

.wn-scene-media {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-sm);
}

.wn-scene-media img { width: 100%; height: 260px; object-fit: cover; display: block; }

.wn-scene-card {
  border-radius: 16px;
  background: var(--sand-100);
  border: 1px solid var(--line-soft);
  padding: 26px;
  height: 100%;
}

.wn-scene-card h3 { font-size: 18px; font-weight: 750; color: var(--ink-900); display: flex; align-items: center; gap: 8px; }

.wn-scene-card h3 .scene-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--brand-600); display: inline-block; flex: 0 0 auto; }

.wn-scene-card.dark-panel { background: var(--ink-900); color: #fff; }

.wn-scene-card.dark-panel h3 { color: #fff; }

.wn-scene-card ul { list-style: none; margin: 20px 0 0; padding: 0; }

.wn-scene-card li {
  position: relative;
  padding: 8px 0 8px 22px;
  font-size: 14px;
  color: var(--ink-700);
  border-bottom: 1px solid var(--line-soft);
}

.wn-scene-card li:last-child { border-bottom: 0; }

.wn-scene-card.dark-panel li { color: rgba(255,255,255,0.72); border-bottom-color: var(--line-dark); }

.wn-scene-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-500);
}

.wn-scene-card .scene-note { margin-top: 16px; font-size: 13px; color: var(--ink-500); }

/* FAQ */
.wn-faq-section { background: var(--sand-200); }

.wn-accordion-custom { margin-top: 4px; }

.wn-accordion-custom .accordion-item {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line-soft);
  border-radius: 0;
}

.wn-accordion-custom .accordion-button {
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 20px 48px 20px 0;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink-900);
  display: flex;
  align-items: center;
  gap: 14px;
  border-radius: 0;
}

.wn-accordion-custom .accordion-button::after {
  display: none;
}

.wn-accordion-custom .accordion-button:hover { color: var(--brand-700); }

.wn-accordion-custom .accordion-button:not(.collapsed) {
  color: var(--brand-700);
  background: transparent;
  box-shadow: none;
}

.wn-accordion-custom .accordion-body {
  padding: 0 0 22px;
  color: var(--ink-700);
  font-size: 15px;
  max-width: 100%;
}

.acc-plus {
  position: absolute;
  right: 0;
  top: 22px;
  width: 22px;
  height: 22px;
  border: 1px solid rgba(29,25,22,0.2);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease, background 0.2s ease, border-color 0.2s ease;
  color: var(--ink-700);
  line-height: 1;
  font-size: 16px;
  font-weight: 400;
  font-style: normal;
}

.accordion-button:not(.collapsed) .acc-plus {
  transform: rotate(45deg);
  background: var(--brand-600);
  border-color: var(--brand-600);
  color: #fff;
}

.accordion-button.collapsed .acc-plus { transform: rotate(0deg); background: transparent; }

/* Page cross CTA */
.wn-cross-nav {
  background: #201B17;
  color: #fff;
  padding: 84px 0;
}

.wn-cross-nav .wn-eyebrow { color: var(--accent-500); }

.wn-cross-nav .wn-eyebrow::before { background: var(--accent-500); }

.wn-cross-nav .wn-section-title { color: #fff; }

.wn-cross-nav .wn-section-desc { color: rgba(255,255,255,0.66); }

.wn-cross-list { list-style: none; padding: 0; margin: 12px 0 0; }

.wn-cross-list li { padding: 11px 0; border-top: 1px solid var(--line-dark); }

.wn-cross-list a { color: rgba(255,255,255,0.82); font-size: 15px; display: inline-flex; align-items: center; gap: 9px; }

.wn-cross-list a svg { color: var(--accent-500); }

.wn-cross-list a:hover { color: #fff; }

/* CTA panel */
.wn-cta-panel {
  background: var(--card-bg);
  border-radius: 24px;
  padding: 38px 38px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--line-soft);
  margin-top: 42px;
}

.wn-cta-panel h3 { font-size: 22px; font-weight: 750; color: var(--ink-900); }

.wn-cta-panel p { color: var(--ink-700); font-size: 15px; margin-top: 6px; }

/* Footer */
.wn-footer {
  background: var(--ink-900);
  color: #fff;
  padding: 68px 0 0;
}

.wn-footer-head {
  padding-bottom: 44px;
  border-bottom: 1px solid var(--line-dark);
}

.wn-footer .wn-brand-main { color: #fff; }

.wn-footer .wn-brand-sub { color: rgba(255,255,255,0.55); }

.wn-footer-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.wn-footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.wn-footer-links li { margin-bottom: 10px; }

.wn-footer-links a {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  display: inline-block;
  position: relative;
  padding: 2px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.wn-footer-links a:hover {
  color: var(--accent-500);
  border-bottom-color: rgba(200,147,79,0.4);
}

.wn-newsletter-box {
  display: flex;
  align-items: stretch;
  margin-top: 14px;
  gap: 8px;
}

.wn-newsletter-box input {
  flex: 1 1 auto;
  min-width: 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  padding: 10px 4px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s ease;
  border-radius: 0;
}

.wn-newsletter-box input::placeholder { color: rgba(255,255,255,0.45); }

.wn-newsletter-box input:focus { border-bottom-color: var(--accent-500); }

.wn-newsletter-box button {
  background: var(--brand-600);
  color: #fff;
  border: 0;
  border-radius: 8px;
  padding: 0 18px;
  min-height: 42px;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: background 0.2s ease;
}

.wn-newsletter-box button:hover { background: var(--brand-700); }

.wn-footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 24px 0;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

.wn-footer-bottom span { color: rgba(255,255,255,0.45); }

.wn-footer-bottom .footer-tech { color: rgba(255,255,255,0.35); }

.wn-footer-bottom a { color: rgba(255,255,255,0.55); }

.wn-footer-bottom a:hover { color: var(--accent-500); }

/* Responsive */
@media (max-width: 1200px) {
  .wn-checkbar-cell { padding: 24px 18px; }
}

@media (max-width: 992px) {
  .wn-header { height: 72px; }
  .wn-header-inner { height: 72px; }
  .wn-header-cta { display: none; }
  .wn-cat-hero { padding: 130px 0 66px; }
  .wn-checkbar-grid { grid-template-columns: repeat(2, 1fr); gap: 0; }
  .wn-checkbar-cell { border-left: 0; border-bottom: 1px solid var(--line-soft); padding: 22px 0; }
  .wn-checkbar-cell:nth-child(odd) { padding-right: 24px; }
  .wn-checkbar-cell:nth-child(even) { padding-left: 24px; border-left: 1px solid var(--line-soft); }
  .wn-checkbar-cell:nth-child(3), .wn-checkbar-cell:nth-child(4) { border-bottom: 0; }
  .wn-guide-item { gap: 22px; }
  .wn-guide-idx { flex-basis: 64px; }
  .wn-guide-idx span { font-size: 30px; }
  .wn-section { padding: 72px 0; }
}

@media (max-width: 768px) {
  .wn-section { padding: 62px 0; }
  .wn-guide-item { flex-direction: column; gap: 10px; padding: 28px 0; }
  .wn-guide-idx { flex-basis: auto; }
  .wn-guide-idx span { font-size: 24px; }
  .wn-scene-card { margin-top: 20px; }
  .wn-scene-card .scene-note { margin-top: 10px; }
}

@media (max-width: 576px) {
  .wn-cat-hero { padding: 112px 0 46px; }
  .wn-cat-hero h1 { font-size: 2rem; }
  .wn-cat-hero p { font-size: 14px; }
  .wn-checkbar-grid { grid-template-columns: 1fr; }
  .wn-checkbar-cell { padding: 18px 0; border-left: 0 !important; padding-right: 0 !important; padding-left: 0 !important; border-bottom: 1px solid var(--line-soft); }
  .wn-checkbar-cell:last-child { border-bottom: 0; }
  .wn-cta-panel { padding: 28px 22px; }
  .wn-footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* roulang page: category2 */
:root {
            --brand-600: #A63D2F;
            --brand-700: #842A20;
            --brand-surface: #F3E5DE;
            --sand-100: #F8F4ED;
            --sand-200: #F0E9DF;
            --card-bg: #FFFCF8;
            --ink-900: #1D1916;
            --ink-700: #57504A;
            --ink-500: #8A817A;
            --accent-500: #C8934F;
            --line-soft: rgba(29, 25, 22, 0.1);
            --line-dark: rgba(255, 255, 255, 0.18);
            --shadow-sm: 0 6px 16px rgba(29, 25, 22, 0.06);
            --shadow-lg: 0 24px 48px rgba(29, 25, 22, 0.12);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 20px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background: var(--sand-100);
            color: var(--ink-700);
            line-height: 1.8;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
        }

        a:hover {
            color: inherit;
        }

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
        }

        :focus-visible {
            outline: 2px solid var(--ink-900);
            outline-offset: 3px;
            border-radius: 2px;
        }

        /* ===================== Header ===================== */
        .wn-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1080;
            height: 80px;
            background: rgba(248, 244, 237, 0.86);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line-soft);
            transition: box-shadow 0.3s ease, background 0.3s ease;
        }

        .wn-header.wn-header-scrolled {
            box-shadow: var(--shadow-sm);
            background: rgba(248, 244, 237, 0.94);
        }

        .wn-navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
            gap: 24px;
        }

        .wn-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--ink-900);
            flex-shrink: 0;
        }

        .wn-brand:hover {
            color: var(--ink-900);
        }

        .wn-brand-mark {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--brand-600);
            color: #fff;
            font-weight: 800;
            font-size: 1.05rem;
        }

        .wn-brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .wn-brand-main {
            font-size: 1.14rem;
            font-weight: 800;
            color: var(--ink-900);
            letter-spacing: 0;
        }

        .wn-brand-sub {
            font-size: 0.76rem;
            font-weight: 600;
            color: var(--brand-700);
            letter-spacing: 0.06em;
        }

        .wn-nav {
            display: flex;
            align-items: center;
            gap: 30px;
            margin-left: auto;
        }

        .wn-nav>a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--ink-900);
            position: relative;
            padding: 12px 0;
            transition: color 0.22s ease;
            border-bottom: 2px solid transparent;
        }

        .wn-nav>a:hover {
            color: var(--brand-700);
        }

        .wn-nav>a.active {
            color: var(--brand-700);
            font-weight: 700;
        }

        .wn-nav>a.active::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 4px;
            width: 26px;
            height: 3px;
            border-radius: 3px;
            background: var(--brand-600);
        }

        .wn-nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 22px;
            border-radius: 999px;
            background: var(--brand-600);
            color: #fff;
            font-size: 0.92rem;
            font-weight: 600;
            margin-left: 10px;
            transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
            border: none;
        }

        .wn-nav-cta:hover {
            background: var(--brand-700);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .wn-burger {
            display: inline-flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 44px;
            height: 44px;
            margin-left: auto;
            background: transparent;
            border: 1px solid var(--line-soft);
            border-radius: 10px;
            cursor: pointer;
            gap: 5px;
        }

        .wn-burger span {
            width: 20px;
            height: 2px;
            background: var(--ink-900);
            border-radius: 4px;
            transition: all 0.24s ease;
        }

        .wn-drawer {
            position: fixed;
            inset: 0;
            z-index: 1090;
            background: var(--sand-100);
            padding: 24px 24px 48px;
            display: flex;
            flex-direction: column;
            transform: translateX(100%);
            transition: transform 0.32s ease;
            overflow-y: auto;
        }

        .wn-drawer.open {
            transform: translateX(0);
        }

        .wn-drawer-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-bottom: 22px;
            border-bottom: 1px solid var(--line-soft);
        }

        .wn-drawer-close {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 1px solid var(--line-soft);
            background: transparent;
            font-size: 1.45rem;
            line-height: 1;
            color: var(--ink-900);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: background 0.2s ease, color 0.2s ease;
        }

        .wn-drawer-close:hover {
            background: var(--ink-900);
            color: #fff;
        }

        .wn-drawer nav {
            display: flex;
            flex-direction: column;
            padding-top: 28px;
        }

        .wn-drawer nav a {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--ink-900);
            padding: 16px 0;
            border-bottom: 1px solid var(--line-soft);
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

        .wn-drawer nav a:hover {
            color: var(--brand-700);
            padding-left: 6px;
        }

        .wn-drawer nav a.active {
            color: var(--brand-700);
        }

        .wn-drawer-cta {
            margin-top: auto;
            padding-top: 36px;
        }

        .wn-drawer-cta .btn {
            width: 100%;
        }

        @media (min-width: 992px) {
            .wn-drawer {
                display: none;
            }
        }

        /* ===================== Buttons ===================== */
        .btn {
            border-radius: 999px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            transition: all 0.24s ease;
            border: none;
        }

        .btn-brand {
            background: var(--brand-600);
            color: #fff;
            height: 52px;
            padding: 0 30px;
            font-size: 0.98rem;
        }

        .btn-brand:hover {
            background: var(--brand-700);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 26px rgba(166, 61, 47, 0.26);
        }

        .btn-ghost-light {
            background: transparent;
            color: #fff;
            height: 52px;
            padding: 0 28px;
            border: 1px solid rgba(255, 255, 255, 0.62);
            font-size: 0.98rem;
        }

        .btn-ghost-light:hover {
            background: #fff;
            color: var(--ink-900);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline-dark {
            background: transparent;
            color: var(--ink-900);
            border: 1px solid rgba(29, 25, 22, 0.32);
            height: 46px;
            padding: 0 22px;
            font-size: 0.92rem;
        }

        .btn-outline-dark:hover {
            border-color: var(--brand-600);
            color: var(--brand-700);
            background: var(--brand-surface);
        }

        .btn-lg {
            height: 58px;
            padding: 0 36px;
            font-size: 1.02rem;
        }

        /* ===================== Hero ===================== */
        .wn-cat-hero {
            position: relative;
            background-color: #201B17;
            background-image: linear-gradient(100deg, rgba(26, 21, 18, 0.93) 0%, rgba(32, 27, 23, 0.82) 52%, rgba(32, 27, 23, 0.58) 100%), url("/assets/images/backpic/back-1.png");
            background-size: cover;
            background-position: center 30%;
            color: #fff;
            padding: 170px 0 90px;
            margin-top: 0;
        }

        .wn-breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.84rem;
            color: rgba(255, 255, 255, 0.62);
            margin-bottom: 34px;
            list-style: none;
            padding: 0;
        }

        .wn-breadcrumb a {
            color: rgba(255, 255, 255, 0.68);
            transition: color 0.2s ease;
        }

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

        .wn-breadcrumb li+li::before {
            content: "/";
            margin: 0 8px 0 4px;
            color: rgba(255, 255, 255, 0.34);
        }

        .wn-cat-hero h1 {
            font-size: clamp(2.1rem, 4.8vw, 3.6rem);
            font-weight: 800;
            line-height: 1.18;
            letter-spacing: -0.01em;
            color: #fff;
            margin: 0 0 20px;
        }

        .wn-cat-hero h1 .wn-hero-divider {
            color: var(--accent-500);
            padding: 0 8px;
            font-weight: 500;
        }

        .wn-cat-hero h1 .wn-hero-sub {
            font-size: 0.72em;
            font-weight: 800;
            color: #FFF5EC;
            background: rgba(255, 255, 255, 0.1);
            border-left: 4px solid var(--brand-600);
            padding: 0.18em 0.55em;
            border-radius: 0 999px 999px 0;
            display: inline-block;
            vertical-align: 0.12em;
            line-height: 1.6;
        }

        .wn-hero-lead {
            max-width: 650px;
            font-size: 1.08rem;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 36px;
        }

        .wn-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 70px;
        }

        .wn-hero-numbers {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.16);
            max-width: 640px;
        }

        .wn-hero-num-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.78);
            min-height: 36px;
        }

        .wn-hero-num-item .wn-num-dot {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: rgba(166, 61, 47, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.2);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #F2C9A5;
            flex-shrink: 0;
        }

        .wn-hero-num-item svg {
            width: 18px;
            height: 18px;
        }

        .wn-hero-num-item span {
            font-weight: 600;
            color: #fff;
        }

        @media (max-width: 991.98px) {
            .wn-cat-hero {
                padding: 130px 0 60px;
            }
            .wn-hero-actions {
                margin-bottom: 44px;
            }
        }

        /* ===================== Sections ===================== */
        .section {
            padding: 100px 0;
        }

        .section-sm {
            padding: 72px 0;
        }

        .bg-sand {
            background: var(--sand-200);
        }

        .bg-light-card {
            background: var(--card-bg);
            border: 1px solid var(--line-soft);
            border-radius: var(--radius-md);
        }

        .wn-eyebrow {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--brand-600);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
        }

        .wn-eyebrow::before {
            content: "";
            width: 26px;
            height: 2px;
            background: var(--brand-600);
            display: inline-block;
            flex-shrink: 0;
        }

        .section-title {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 750;
            line-height: 1.3;
            color: var(--ink-900);
            margin: 0 0 20px;
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--ink-700);
            max-width: 640px;
            margin-bottom: 0;
            line-height: 1.85;
        }

        /* ===================== Category Index ===================== */
        .wn-index-intro {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-end;
            justify-content: space-between;
            gap: 28px;
            margin-bottom: 48px;
        }

        .wn-index-list {
            border-top: 1px solid var(--ink-900);
        }

        .wn-index-row {
            display: grid;
            grid-template-columns: 120px 1fr auto;
            align-items: start;
            gap: 24px;
            padding: 40px 8px;
            border-bottom: 1px solid var(--line-soft);
            transition: background 0.2s ease;
        }

        .wn-index-row:hover {
            background: rgba(255, 255, 255, 0.6);
        }

        .wn-index-num {
            font-size: clamp(2rem, 3vw, 2.7rem);
            font-weight: 800;
            line-height: 1;
            color: transparent;
            -webkit-text-stroke: 1.4px rgba(166, 61, 47, 0.8);
        }

        .wn-index-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--ink-900);
            margin-bottom: 10px;
        }

        .wn-index-body p {
            font-size: 0.95rem;
            color: var(--ink-700);
            max-width: 760px;
            margin-bottom: 0;
        }

        .wn-index-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--brand-700);
            font-size: 0.92rem;
            font-weight: 600;
            white-space: nowrap;
            transition: gap 0.22s ease;
        }

        .wn-index-more:hover {
            color: var(--brand-600);
        }

        .wn-index-more svg {
            width: 16px;
            height: 16px;
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 64px 0;
            }

            .wn-index-row {
                grid-template-columns: 1fr;
                gap: 16px;
                padding: 28px 6px;
            }

            .wn-index-num {
                margin-bottom: 2px;
            }
        }

        /* ===================== Info Feature ===================== */
        .wn-duo-panel {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 28px;
            align-items: stretch;
        }

        .wn-panel-box {
            background: var(--card-bg);
            border: 1px solid var(--line-soft);
            border-radius: var(--radius-md);
            padding: 32px;
        }

        .wn-panel-box h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--ink-900);
            margin-bottom: 6px;
        }

        .wn-panel-box .wn-panel-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--brand-700);
            margin-bottom: 18px;
        }

        .wn-system-list {
            list-style: none;
            margin: 12px 0 0;
            padding: 0;
        }

        .wn-system-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding: 8px 0;
            font-size: 0.92rem;
            color: var(--ink-700);
            line-height: 1.7;
            border-bottom: 1px dashed var(--line-soft);
        }

        .wn-system-list li:last-child {
            border-bottom: none;
        }

        .wn-system-list li svg {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            margin-top: 4px;
            color: var(--brand-600);
        }

        .wn-guide-note {
            background: var(--brand-surface);
            color: var(--ink-900);
            border-left: 3px solid var(--brand-600);
            padding: 14px 18px;
            border-radius: 0 12px 12px 0;
            margin-top: 20px;
            font-size: 0.9rem;
            line-height: 1.7;
        }

        @media (max-width: 991.98px) {
            .wn-duo-panel {
                grid-template-columns: 1fr;
            }
        }

        /* ===================== Media Block ===================== */
        .wn-feature-media {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .wn-media-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

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

        .wn-media-img::after {
            content: "";
            position: absolute;
            inset: auto -14px -14px auto;
            width: 90px;
            height: 90px;
            border-right: 3px solid var(--accent-500);
            border-bottom: 3px solid var(--accent-500);
            border-radius: 0 0 16px 0;
        }

        .wn-feature-list {
            list-style: none;
            margin-top: 26px;
            padding: 0;
        }

        .wn-feature-list li {
            display: flex;
            gap: 14px;
            padding: 10px 0;
            color: var(--ink-700);
            font-size: 0.95rem;
            border-bottom: 1px solid var(--line-soft);
        }

        .wn-feature-list li:last-child {
            border-bottom: none;
        }

        .wn-feature-list li svg {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            color: var(--brand-600);
            margin-top: 4px;
        }

        @media (max-width: 991.98px) {
            .wn-feature-media {
                grid-template-columns: 1fr;
                gap: 36px;
            }
        }

        /* ===================== FAQ ===================== */
        .wn-faq-wrap {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 60px;
            align-items: start;
        }

        .wn-faq-left {
            position: sticky;
            top: 120px;
        }

        .wn-faq-item {
            border-bottom: 1px solid var(--line-soft);
        }

        .wn-faq-item:first-child {
            border-top: 1px solid var(--line-soft);
        }

        .wn-faq-question {
            width: 100%;
            background: transparent;
            border: none;
            text-align: left;
            padding: 20px 16px 20px 0;
            font-size: 1rem;
            font-weight: 600;
            color: var(--ink-900);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            gap: 20px;
            transition: color 0.2s ease;
        }

        .wn-faq-question:hover {
            color: var(--brand-700);
        }

        .wn-faq-question[aria-expanded="true"] {
            color: var(--brand-700);
        }

        .wn-faq-icon {
            position: relative;
            width: 16px;
            height: 16px;
            flex-shrink: 0;
        }

        .wn-faq-icon::before {
            content: "";
            position: absolute;
            top: 8px;
            left: 0;
            width: 16px;
            height: 2px;
            background: var(--ink-700);
            border-radius: 4px;
            transform: translateY(-50%);
            transition: transform 0.25s ease, background 0.2s ease;
        }

        .wn-faq-icon::after {
            content: "";
            position: absolute;
            top: 0;
            left: 8px;
            width: 2px;
            height: 16px;
            background: var(--ink-700);
            border-radius: 4px;
            transform: translateX(-50%);
            transition: transform 0.25s ease, background 0.2s ease;
        }

        .wn-faq-question[aria-expanded="true"] .wn-faq-icon::before {
            transform: translateY(-50%) rotate(45deg);
        }

        .wn-faq-question[aria-expanded="true"] .wn-faq-icon::after {
            transform: translateX(-50%) rotate(45deg);
        }

        .wn-faq-question[aria-expanded="true"] .wn-faq-icon::before,
        .wn-faq-question[aria-expanded="true"] .wn-faq-icon::after {
            background: var(--brand-600);
        }

        .wn-faq-answer {
            display: none;
            padding: 0 36px 24px 0;
            color: var(--ink-700);
            font-size: 0.93rem;
            line-height: 1.85;
        }

        .wn-faq-answer.show {
            display: block;
        }

        @media (max-width: 991.98px) {
            .wn-faq-wrap {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .wn-faq-left {
                position: static;
            }
        }

        /* ===================== CTA ===================== */
        .wn-bottom-cta {
            background-color: #201B17;
            background-image: linear-gradient(120deg, rgba(32, 27, 23, 0.94) 0%, rgba(32, 27, 23, 0.78) 100%), url("/assets/images/backpic/back-3.webp");
            background-size: cover;
            background-position: center;
            padding: 100px 0;
            border-radius: 0;
        }

        .wn-bottom-cta h2 {
            font-size: clamp(1.6rem, 3vw, 2.3rem);
            font-weight: 800;
            color: #fff;
        }

        .wn-bottom-cta p {
            color: rgba(255, 255, 255, 0.72);
            font-size: 1rem;
            max-width: 620px;
        }

        /* ===================== Footer ===================== */
        .wn-footer {
            background: var(--ink-900);
            color: #fff;
            padding: 84px 0 30px;
        }

        .wn-footer .wn-brand-main {
            color: #fff;
        }

        .wn-footer-desc {
            margin-top: 18px;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            max-width: 460px;
            line-height: 1.8;
        }

        .wn-footer-title {
            font-size: 0.92rem;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.92);
            margin-bottom: 16px;
            letter-spacing: 0;
        }

        .wn-footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .wn-footer-links li {
            margin-bottom: 10px;
        }

        .wn-footer-links a {
            color: rgba(255, 255, 255, 0.58);
            font-size: 0.88rem;
            transition: color 0.2s ease, padding-left 0.2s ease;
            display: inline-block;
        }

        .wn-footer-links a:hover {
            color: var(--accent-500);
            padding-left: 4px;
        }

        .wn-newsletter {
            margin-top: 4px;
        }

        .wn-newsletter label {
            display: block;
            font-size: 0.86rem;
            color: rgba(255, 255, 255, 0.58);
            margin-bottom: 10px;
        }

        .wn-newsletter-box {
            display: flex;
            border-bottom: 1px solid rgba(255, 255, 255, 0.3);
            transition: border-color 0.2s ease;
        }

        .wn-newsletter-box:focus-within {
            border-bottom-color: var(--brand-600);
        }

        .wn-newsletter-box input {
            flex: 1;
            background: transparent;
            border: none;
            color: #fff;
            padding: 11px 0;
            font-size: 0.9rem;
            min-width: 0;
        }

        .wn-newsletter-box input:focus {
            outline: none;
            border: none;
            box-shadow: none;
        }

        .wn-newsletter-box input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .wn-newsletter-box button {
            background: transparent;
            color: var(--accent-500);
            border: none;
            font-weight: 600;
            font-size: 0.88rem;
            cursor: pointer;
            padding: 0 0 0 18px;
            transition: color 0.2s ease;
            white-space: nowrap;
        }

        .wn-newsletter-box button:hover {
            color: #fff;
        }

        .wn-footer-bottom {
            margin-top: 64px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.14);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            color: rgba(255, 255, 255, 0.42);
            font-size: 0.82rem;
        }

        .wn-footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }

        .wn-footer-bottom a:hover {
            color: var(--accent-500);
        }

        @media (max-width: 767.98px) {
            .wn-bottom-cta {
                padding: 64px 0;
            }
            .wn-footer {
                padding-top: 56px;
            }
        }