/* roulang page: index */
:root {
            --color-primary: #A03C2C;
            --color-primary-deep: #76261D;
            --color-night: #181512;
            --color-night-soft: #2A251F;
            --color-paper: #F6F2EA;
            --color-surface: #FFFFFF;
            --color-line: #E4DAC9;
            --color-text: #211D18;
            --color-text-2: #6E6458;
            --color-copper: #B18A56;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--color-paper);
            color: var(--color-text);
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
            object-fit: cover;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all .25s ease;
        }
        button,
        input {
            font-family: inherit;
            outline: none;
            border: none;
            background: none;
        }
        h1,
        h2,
        h3,
        h4 {
            font-family: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
            line-height: 1.2;
            color: var(--color-text);
        }
        .num-font {
            font-family: Arial, Helvetica, sans-serif;
            font-variant-numeric: tabular-nums;
        }
        .container-site {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .serif {
            font-family: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
        }
        .sans {
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }
        .en-label {
            font-family: Arial, Helvetica, sans-serif;
            letter-spacing: .12em;
            font-size: 12px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: var(--color-primary);
            color: var(--color-paper);
            height: 46px;
            padding: 0 28px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 2px;
            cursor: pointer;
            border: 1px solid var(--color-primary);
            transition: background-color .25s, transform .2s, box-shadow .2s;
        }
        .btn-primary:hover {
            background-color: var(--color-primary-deep);
            border-color: var(--color-primary-deep);
            transform: translate(-2px, -2px);
            box-shadow: 0 8px 20px rgba(31, 20, 10, .1);
        }
        .btn-primary:active {
            transform: translate(0, 1px);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 46px;
            padding: 0 28px;
            font-size: 16px;
            font-weight: 500;
            border-radius: 2px;
            border: 1px solid var(--color-text);
            color: var(--color-text);
            background: transparent;
            cursor: pointer;
            transition: background-color .25s, color .25s, transform .2s;
        }
        .btn-secondary:hover {
            background-color: var(--color-text);
            color: var(--color-paper);
            transform: translate(2px, -2px);
        }
        .btn-secondary:active {
            transform: translate(0, 1px);
        }
        .text-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-primary);
            padding: 6px 2px;
            cursor: pointer;
            min-height: 24px;
        }
        .text-btn:hover {
            text-decoration: underline;
            color: var(--color-primary-deep);
        }
        .section-padding {
            padding-top: 88px;
            padding-bottom: 88px;
        }
        .line-hr {
            border: 0;
            border-top: 1px solid var(--color-line);
            margin: 0 auto;
        }
        .list-row-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 24px 8px;
            border-bottom: 1px solid var(--color-line);
            transition: background-color .2s;
            cursor: pointer;
        }
        .list-row-item:first-child {
            border-top: 1px solid var(--color-line);
        }
        .list-row-item:hover {
            background-color: rgba(160, 60, 44, .04);
        }
        .list-row-item:hover .row-title {
            color: var(--color-primary-deep);
        }
        .list-row-item .row-arrow {
            transition: transform .2s;
        }
        .list-row-item:hover .row-arrow {
            transform: translateX(4px);
        }
        .dot-live {
            width: 8px;
            height: 8px;
            background: #d13b1f;
            border-radius: 50%;
            display: inline-block;
            border: 2px solid rgba(0, 0, 0, .3);
            box-shadow: 0 0 0 2px rgba(255, 255, 255, .7);
        }
        .coverpic-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .card-hover {
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .card-hover:hover {
            transform: translateY(-4px);
        }
        details.faq-item {
            border-bottom: 1px solid var(--color-line);
        }
        details.faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 28px 0;
            display: flex;
            align-items: center;
            gap: 18px;
            transition: color .2s;
        }
        details.faq-item summary::-webkit-details-marker {
            display: none;
        }
        details.faq-item summary:hover .faq-q {
            color: var(--color-primary);
        }
        .faq-icon {
            width: 18px;
            height: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
        }
        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            background-color: var(--color-text);
            transition: background-color .2s;
        }
        .faq-icon::before {
            width: 18px;
            height: 1px;
        }
        .faq-icon::after {
            width: 1px;
            height: 18px;
        }
        details[open] .faq-icon::before {
            background-color: var(--color-primary);
        }
        details[open] .faq-icon::after {
            display: none;
        }
        .news-img-wrap {
            overflow: hidden;
            background-color: var(--color-night);
        }
        .news-img-wrap img {
            transition: transform .45s ease;
        }
        .news-card:hover .news-img-wrap img {
            transform: scale(1.02);
        }
        .no-content {
            text-align: center;
            padding: 48px 0;
            color: var(--color-text-2);
        }
        .no-content::before {
            content: "";
            display: block;
            max-width: 120px;
            height: 1px;
            background-color: var(--color-line);
            margin: 0 auto 18px;
        }
        .dark-text-shadow {
            text-shadow: 0 1px 13px rgba(0, 0, 0, .35);
        }
        .badge-cat {
            display: inline-block;
            font-size: 12px;
            padding: 3px 10px;
            border-radius: 2px;
            border: 1px solid var(--color-line);
            background: var(--color-paper);
            color: var(--color-primary);
            letter-spacing: .04em;
        }
        .badge-cat-outline {
            border-color: rgba(255, 255, 255, .25);
            background: transparent;
            color: #fff;
        }
        .time-en {
            font-family: Arial, Helvetica;
            font-size: 12px;
        }
        a.skip-link {
            position: absolute;
            left: -9999px;
            top: 0;
            background: var(--color-night);
            color: #fff;
            padding: 8px 16px;
            z-index: 199;
        }
        a.skip-link:focus {
            left: 0;
        }
        .footer-link {
            color: #A9A298;
            font-size: 14px;
            transition: color .2s;
            display: inline-block;
        }
        .footer-link:hover {
            color: #E5DCCC;
        }
        .mobile-menu-toggle {
            display: none;
        }
        @media (min-width: 801px) {
            body.no-scroll {
                overflow: auto;
            }
        }
        @media (max-width: 800px) {
            .desktop-nav {
                display: none !important;
            }
            .mobile-menu-toggle {
                display: inline-flex;
            }
            .mobile-drawer {
                position: fixed;
                top: 0;
                right: 0;
                width: 82%;
                max-width: 360px;
                height: 100vh;
                background-color: var(--color-paper);
                z-index: 999;
                transform: translateX(100%);
                transition: transform .3s ease;
                padding: 24px 24px 34px;
                overflow-y: auto;
                display: flex;
                flex-direction: column;
            }
            .mobile-drawer.open {
                transform: translateX(0);
            }
            .drawer-backdrop {
                position: fixed;
                inset: 0;
                background-color: rgba(24, 21, 18, .5);
                z-index: 998;
                opacity: 0;
                pointer-events: none;
                transition: opacity .3s;
            }
            .drawer-backdrop.open {
                opacity: 1;
                pointer-events: auto;
            }
            .mobile-nav-link {
                font-size: 20px;
                font-weight: 600;
                border-bottom: 1px solid var(--color-line);
                padding: 18px 0;
                display: flex;
                justify-content: space-between;
                align-items: center;
            }
        }
        @media (min-width: 801px) {
            .mobile-menu-toggle,
            .mobile-drawer,
            .drawer-backdrop {
                display: none;
            }
        }
        @media (min-width: 1200px) {
            .ui-carousel-gap {
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .container-site {
                padding-left: 20px;
                padding-right: 20px;
            }
            .section-padding {
                padding-top: 56px;
                padding-bottom: 56px;
            }
            .hero-title {
                font-size: 40px !important;
                line-height: 1.18 !important;
            }
        }
        @media (max-width: 768px) {
            .section-padding {
                padding-top: 56px;
                padding-bottom: 56px;
            }
        }
        .footer-line {
            border-top: 1px solid rgba(255, 255, 255, .1);
        }
        .dark-area {
            background-color: var(--color-night);
        }
        .cta-card-dark {
            background-color: var(--color-night);
            border-radius: 0;
            position: relative;
        }
        .cta-card-dark::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background-color: var(--color-copper);
        }
        .form-underline {
            background: transparent;
            border: none;
            border-bottom: 1px solid #6B6154;
            border-radius: 0;
            padding: 14px 4px;
            color: #fff;
            width: 100%;
            font-size: 16px;
            transition: border-color .2s;
        }
        .form-underline::-webkit-input-placeholder {
            color: #8A8174;
        }
        .form-underline:focus {
            border-bottom-color: var(--color-copper);
        }
        .btn-subscribe {
            height: 48px;
            width: 100%;
            background-color: var(--color-primary);
            border: 1px solid var(--color-primary);
            color: var(--color-paper);
            padding: 0 24px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            border-radius: 2px;
            transition: background-color .2s, border-color .2s, transform .2s;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .btn-subscribe:hover {
            background-color: var(--color-primary-deep);
            border-color: var(--color-primary-deep);
            transform: translateY(-1px);
        }
        .btn-subscribe.subscribed {
            background-color: transparent;
            border-color: rgba(255, 255, 255, .5);
            color: #fff;
        }
        .btn-subscribe.subscribed::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--color-copper);
            display: inline-block;
            margin-right: 8px;
        }
        .text-weak-on-dark {
            color: #9C9387;
        }
        .nav-item-active {
            color: var(--color-primary) !important;
            position: relative;
        }
        .nav-item-active::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -6px;
            width: 100%;
            height: 2px;
            background-color: var(--color-copper);
        }
        .dark-menu .nav-item-active {
            color: #fff !important;
        }
        .magazine-grid-box {
            border-top: 3px solid var(--color-text);
            padding-top: 8px;
        }
        .eyebrow-number {
            font-family: Arial, Helvetica;
            font-size: 13px;
            color: var(--color-primary);
            letter-spacing: .1em;
        }
        .focus-border:focus-visible {
            outline: 2px solid var(--color-copper);
            outline-offset: 4px;
        }
        .hero-v-title {
            color: var(--color-night);
        }
        .hover-line-title .title-under {
            position: relative;
            display: inline-block;
        }
        .hover-line-title:hover .title-under::after {
            width: 100%;
        }
        .title-under::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            height: 2px;
            background-color: var(--color-copper);
            width: 0;
            transition: width .3s ease;
        }

/* roulang page: category1 */
:root {
            --color-primary: #A03C2C;
            --color-primary-deep: #76261D;
            --color-night: #181512;
            --color-night-soft: #2A251F;
            --color-paper: #F6F2EA;
            --color-surface: #FFFFFF;
            --color-line: #E4DAC9;
            --color-text: #211D18;
            --color-text-2: #6E6458;
            --color-copper: #B18A56;
            --radius-sm: 2px;
            --radius-md: 4px;
            --shadow-card: 0 6px 20px rgba(31, 20, 10, 0.06);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--color-paper);
            color: var(--color-text);
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
        }

        input {
            font-family: inherit;
        }

        .serif {
            font-family: "Songti SC", STSong, "Noto Serif CJK SC", serif;
            font-weight: 700;
        }

        .container-site {
            width: 100%;
            max-width: 1200px;
            margin-inline: auto;
            padding-inline: clamp(20px, 4.5vw, 56px);
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 90;
            background: rgba(246, 242, 234, 0.88);
            border-bottom: 1px solid transparent;
            transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.is-sticky {
            background: var(--color-paper);
            border-bottom: 1px solid var(--color-line);
            box-shadow: 0 6px 18px rgba(31, 20, 10, 0.04);
        }

        .page-main {
            padding-top: 64px;
        }

        .nav-item-active {
            color: var(--color-primary);
            position: relative;
        }

        .nav-item-active::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: -6px;
            width: 20px;
            height: 2px;
            background: var(--color-copper);
            transform: translateX(-50%);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 46px;
            padding: 10px 24px;
            background: var(--color-primary);
            color: #FDFAF4;
            font-size: 14px;
            font-weight: 600;
            border-radius: 2px;
            border: 1px solid var(--color-primary);
            transition: background 0.24s ease, transform 0.24s ease, border-color 0.24s ease;
        }

        .btn-primary:hover {
            background: var(--color-primary-deep);
            border-color: var(--color-primary-deep);
            transform: translateY(-1px);
        }

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

        .btn-primary:focus-visible {
            outline: 2px solid var(--color-copper);
            outline-offset: 3px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 46px;
            padding: 10px 24px;
            background: transparent;
            color: var(--color-text);
            border: 1px solid #B9AC98;
            border-radius: 2px;
            font-size: 14px;
            font-weight: 600;
            transition: background 0.24s ease, color 0.24s ease, border-color 0.24s ease;
        }

        .btn-secondary:hover {
            border-color: var(--color-text);
            background: var(--color-text);
            color: #F6F2EA;
        }

        .btn-text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--color-text-2);
            transition: color 0.2s ease, gap 0.2s ease;
        }

        .btn-text-link:hover {
            color: var(--color-text);
            gap: 10px;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: Arial, Helvetica, sans-serif;
            font-size: 12px;
            letter-spacing: 0.12em;
            color: var(--color-text-2);
            text-transform: uppercase;
        }

        .eyebrow::before {
            content: "";
            width: 20px;
            height: 1px;
            background: var(--color-primary);
        }

        .section-pad {
            padding-block: 64px;
        }

        @media (min-width: 1024px) {
            .section-pad {
                padding-block: 72px;
            }
        }

        .guide-heading {
            font-family: "Songti SC", STSong, "Noto Serif CJK SC", serif;
            font-weight: 700;
            font-size: 28px;
            line-height: 1.3;
            color: var(--color-text);
        }

        @media (min-width: 768px) {
            .guide-heading {
                font-size: 34px;
            }
        }

        .guide-subtitle {
            max-width: 620px;
            color: var(--color-text-2);
            font-size: 16px;
            line-height: 2;
        }

        .guide-row {
            display: grid;
            grid-template-columns: 52px 1fr auto;
            align-items: baseline;
            gap: 14px;
            padding: 20px 6px 20px 2px;
            border-bottom: 1px solid var(--color-line);
            transition: background 0.22s ease;
        }

        .guide-row:hover {
            background: rgba(160, 60, 44, 0.04);
        }

        .guide-row .guide-num {
            font-family: Arial, Helvetica, sans-serif;
            font-size: 13px;
            font-weight: 500;
            color: #B18A56;
        }

        .guide-row .guide-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .guide-row .guide-excerpt {
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-text-2);
        }

        .guide-row .guide-link {
            font-size: 14px;
            color: var(--color-primary);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .guide-row .guide-link i {
            font-size: 12px;
            transition: transform 0.2s ease;
        }

        .guide-row:hover .guide-link i {
            transform: translateX(4px);
        }

        .guide-group-title {
            display: flex;
            align-items: center;
            gap: 14px;
            border-top: 1px solid var(--color-text);
            padding-top: 18px;
            margin-bottom: 6px;
        }

        .guide-group-title .legend-label {
            font-family: Arial, Helvetica, sans-serif;
            font-size: 13px;
            letter-spacing: 0.08em;
            color: var(--color-primary);
        }

        .feature-frame {
            overflow: hidden;
            border-radius: 4px;
            background: var(--color-night-soft);
        }

        .feature-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .feature-frame:hover img {
            transform: scale(1.02);
        }

        .faq-item {
            border-bottom: 1px solid var(--color-line);
            transition: background 0.2s ease;
        }

        .faq-item summary {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 22px 4px;
            cursor: pointer;
        }

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

        .faq-item summary .faq-num {
            font-family: Arial, Helvetica, sans-serif;
            font-size: 13px;
            color: #B18A56;
            width: 28px;
            flex: none;
        }

        .faq-item summary .faq-q {
            flex: 1;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
        }

        .faq-item summary .faq-icon {
            width: 24px;
            height: 24px;
            flex: none;
            position: relative;
        }

        .faq-item summary .faq-icon::before,
        .faq-item summary .faq-icon::after {
            content: "";
            position: absolute;
            left: 50%;
            top: 50%;
            background: var(--color-text-2);
            transition: transform 0.24s ease, background 0.24s ease;
        }

        .faq-item summary .faq-icon::before {
            width: 12px;
            height: 1px;
            transform: translate(-50%, -50%);
        }

        .faq-item summary .faq-icon::after {
            width: 1px;
            height: 12px;
            transform: translate(-50%, -50%);
        }

        .faq-item[open] summary .faq-icon::after {
            transform: translate(-50%, -50%) rotate(90deg);
        }

        .faq-item .faq-answer {
            padding: 0 24px 22px 52px;
            font-size: 15px;
            line-height: 2;
            color: var(--color-text-2);
        }

        .faq-item:hover summary .faq-q {
            color: var(--color-primary);
        }

        .step-block {
            border-top: 1px solid var(--color-line);
            padding-top: 24px;
            transition: background 0.2s ease;
        }

        .step-block .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border: 1px solid var(--color-primary);
            border-radius: 50%;
            font-family: Arial, Helvetica, sans-serif;
            font-size: 14px;
            color: var(--color-primary);
            transition: background 0.2s ease, color 0.2s ease;
        }

        .step-block:hover .step-num {
            background: var(--color-primary);
            color: #F6F2EA;
        }

        .cta-panel {
            background: var(--color-night);
            border-radius: 0;
            position: relative;
            overflow: hidden;
        }

        .cta-panel::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 4px;
            background: var(--color-copper);
        }

        .footer-link {
            color: #9C9387;
            font-size: 14px;
            transition: color 0.22s ease;
        }

        .footer-link:hover {
            color: #E5DCCC;
        }

        .footer-line {
            border-bottom: 1px solid rgba(228, 218, 201, 0.1);
        }

        .mobile-nav-panel {
            transform: translateY(-12px);
            opacity: 0;
            pointer-events: none;
            transition: transform 0.25s ease, opacity 0.25s ease;
        }

        .mobile-nav-panel.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }

        @media (max-width: 767px) {
            .guide-row {
                grid-template-columns: 40px 1fr;
                padding: 18px 0 18px 2px;
            }

            .guide-row .guide-link {
                grid-column: 2 / 3;
                justify-content: flex-start;
            }

            .guide-row .guide-excerpt {
                line-height: 1.7;
            }

            .guide-group-title {
                align-items: flex-start;
                flex-direction: column;
                gap: 2px;
            }

            .faq-answer {
                padding-left: 32px;
                padding-right: 16px;
            }
        }

        @media (max-width: 520px) {
            .step-block {
                padding-top: 20px;
            }

            .section-pad {
                padding-block: 52px;
            }
        }

        :focus-visible {
            outline: 2px solid var(--color-copper);
            outline-offset: 2px;
        }

/* roulang page: category2 */
:root {
            --color-primary: #A03C2C;
            --color-primary-deep: #76261D;
            --color-night: #181512;
            --color-night-soft: #2A251F;
            --color-paper: #F6F2EA;
            --color-surface: #FFFFFF;
            --color-line: #E4DAC9;
            --color-text: #211D18;
            --color-text-2: #6E6458;
            --color-copper: #B18A56;
            --radius-sm: 2px;
            --radius-md: 4px;
            --shadow-hover: 0 6px 20px rgba(31, 20, 10, 0.06);
            --container-max: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--color-paper);
            color: var(--color-text);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        input {
            font-family: inherit;
            border: none;
            outline: none;
            background: transparent;
        }

        .container-site {
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 56px;
            padding-right: 56px;
        }

        .serif {
            font-family: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
            font-weight: 700;
            letter-spacing: -0.01em;
        }

        .num {
            font-family: Arial, Helvetica, sans-serif;
            font-variant-numeric: tabular-nums;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background-color: var(--color-primary);
            color: #FDF9F3;
            height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background-color: var(--color-primary-deep);
            transform: translateX(-4px);
        }

        .btn-primary:active {
            transform: translateY(1px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            border: 1px solid var(--color-text);
            background: transparent;
            color: var(--color-text);
            height: 46px;
            padding: 0 26px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn-outline:hover {
            background-color: var(--color-text);
            color: var(--color-paper);
            border-color: transparent;
        }

        .list-row {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 22px 10px;
            border-bottom: 1px solid var(--color-line);
            transition: background 0.25s ease;
        }

        .list-row:hover {
            background: rgba(160, 60, 44, 0.04);
        }

        .list-row:hover .list-arrow {
            transform: translateX(4px);
        }

        .list-row:hover .list-title {
            color: var(--color-text);
        }

        .list-arrow {
            transition: transform 0.25s ease;
            font-size: 18px;
            color: var(--color-text-2);
            margin-left: auto;
            flex-shrink: 0;
        }

        .card-img {
            overflow: hidden;
            border-radius: 4px;
        }

        .card-img img {
            transition: transform 0.4s ease;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .group-card:hover .card-img img {
            transform: scale(1.02);
        }

        .footer-link {
            color: #9C9387;
            transition: color 0.2s;
        }

        .footer-link:hover {
            color: #E5DCCC;
        }

        .footer-line {
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .nav-link {
            position: relative;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -4px;
            width: 0;
            height: 2px;
            background-color: var(--color-copper);
            transition: width 0.25s;
        }

        .nav-link:hover::after,
        .nav-link.nav-item-active::after {
            width: 100%;
        }

        .nav-item-active {
            color: var(--color-primary);
        }

        details {
            border-bottom: 1px solid var(--color-line);
        }

        details summary {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 22px 4px;
            cursor: pointer;
            transition: color 0.2s;
        }

        details summary::-webkit-details-marker {
            display: none;
        }

        details summary .faq-icon {
            position: relative;
            width: 20px;
            height: 20px;
            flex-shrink: 0;
        }

        details summary .faq-icon::before,
        details summary .faq-icon::after {
            content: '';
            position: absolute;
            background-color: var(--color-text);
            transition: transform 0.24s ease;
        }

        details summary .faq-icon::before {
            width: 2px;
            height: 20px;
            top: 0;
            left: 9px;
        }

        details summary .faq-icon::after {
            width: 20px;
            height: 2px;
            top: 9px;
            left: 0;
        }

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

        details[open] summary .faq-icon::after {
            transform: rotate(180deg);
        }

        details[open] summary {
            color: var(--color-primary);
        }

        .tag-live {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(24, 21, 18, 0.85);
            color: #E5DCCC;
            font-size: 12px;
            padding: 6px 14px;
            border-radius: 2px;
            letter-spacing: 0.05em;
        }

        .tag-live .dot {
            width: 8px;
            height: 8px;
            background: var(--color-primary);
            border-radius: 50%;
            box-shadow: 0 0 0 2px rgba(160, 60, 44, 0.3);
        }

        .section-pad {
            padding-top: 88px;
            padding-bottom: 88px;
        }

        .section-pad-sm {
            padding-top: 64px;
            padding-bottom: 64px;
        }

        @media (max-width: 1024px) {
            .container-site {
                padding-left: 32px;
                padding-right: 32px;
            }
        }

        @media (max-width: 768px) {
            body {
                font-size: 15px;
            }

            .section-pad {
                padding-top: 64px;
                padding-bottom: 64px;
            }

            .section-pad-sm {
                padding-top: 48px;
                padding-bottom: 48px;
            }
        }

        @media (max-width: 640px) {
            .container-site {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        @media print {
            header,
            footer {
                display: none;
            }
        }

/* roulang page: article */
:root{
  --color-primary:#A03C2C;
  --color-primary-deep:#76261D;
  --color-night:#181512;
  --color-night-soft:#2A251F;
  --color-paper:#F6F2EA;
  --color-surface:#FFFFFF;
  --color-line:#E4DAC9;
  --color-text:#211D18;
  --color-text-2:#6E6458;
  --color-copper:#B18A56;
}
*,
*::before,
*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--color-paper);
  color:var(--color-text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote,ul,ol,dl,dd{margin:0;}
ul,ol{padding-left:0;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;}
a:focus-visible,
button:focus-visible{
  outline:2px solid var(--color-copper);
  outline-offset:2px;
}
.container-site{
  width:100%;
  max-width:1200px;
  margin-inline:auto;
  padding-inline:56px;
}
@media(max-width:1023.98px){
  .container-site{padding-inline:32px;}
}
@media(max-width:767.98px){
  .container-site{padding-inline:20px;}
}
.serif{
  font-family:"Songti SC","STSong","Noto Serif CJK SC",serif;
}
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(246,242,234,0.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,background-color .25s ease,box-shadow .25s ease;
}
.site-header.is-stuck{
  background:var(--color-paper);
  border-color:var(--color-line);
  box-shadow:0 2px 12px rgba(31,20,10,.03);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:10px;
  height:64px;
}
@media(max-width:1023.98px){
  .header-inner{height:56px;}
}
.header-logo{
  display:flex;
  align-items:baseline;
  gap:7px;
  flex-shrink:0;
}
.header-logo-name{
  font-family:"Songti SC","STSong","Noto Serif CJK SC",serif;
  font-size:26px;
  font-weight:900;
  line-height:1;
  color:var(--color-text);
  letter-spacing:-0.01em;
}
.header-logo-sub{
  font-size:13px;
  font-weight:600;
  color:var(--color-copper);
  letter-spacing:.04em;
  white-space:nowrap;
}
.site-main-nav{
  display:none;
  align-items:center;
  gap:32px;
  margin-left:36px;
}
@media(min-width:1024px){
  .site-main-nav{display:flex;}
}
.site-main-nav a{
  position:relative;
  font-size:14px;
  font-weight:500;
  color:var(--color-text);
  transition:color .2s ease;
}
.site-main-nav a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-6px;
  width:0;
  height:2px;
  background:var(--color-copper);
  transition:width .25s ease;
}
.site-main-nav a:hover{
  color:var(--color-primary);
}
.site-main-nav a:hover::after,
.site-main-nav a.nav-item-active::after{
  width:100%;
}
.site-main-nav a.nav-item-active{
  color:var(--color-primary);
}
.header-actions{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:6px;
  margin-left:auto;
}
.icon-btn{
  width:36px;
  height:36px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:0;
  border-radius:2px;
  background:transparent;
  color:var(--color-text);
  font-size:15px;
  cursor:pointer;
  transition:background .2s ease,color .2s ease;
}
.icon-btn:hover{
  background:rgba(160,60,44,.08);
  color:var(--color-primary);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border:1px solid transparent;
  border-radius:2px;
  font-size:14px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:background-color .22s ease,border-color .22s ease,color .22s ease,transform .22s ease;
}
.btn-primary{
  background:var(--color-primary);
  border-color:var(--color-primary);
  color:var(--color-paper);
}
.btn-primary:hover{
  background:var(--color-primary-deep);
  border-color:var(--color-primary-deep);
  color:var(--color-paper);
}
.btn-outline{
  background:transparent;
  border-color:var(--color-night);
  color:var(--color-night);
}
.btn-outline:hover{
  background:var(--color-night);
  color:var(--color-paper);
  border-color:var(--color-night);
}
.btn-sm{
  min-height:36px;
  padding:0 14px;
  font-size:13px;
}
.btn-login-header{
  display:none;
}
@media(min-width:768px){
  .btn-login-header{display:inline-flex;}
}
.menu-toggle{
  display:inline-flex;
  width:38px;
  height:38px;
  align-items:center;
  justify-content:center;
  border:0;
  border-radius:2px;
  background:transparent;
  color:var(--color-text);
  font-size:16px;
  cursor:pointer;
}
.menu-toggle:hover{
  color:var(--color-primary);
}
@media(min-width:1024px){
  .menu-toggle{display:none;}
}
.mobile-menu{
  display:none;
  position:absolute;
  top:100%;
  left:0;
  right:0;
  z-index:59;
  background:var(--color-paper);
  border-top:1px solid var(--color-line);
  padding:18px 0 26px;
  max-height:calc(100vh - 56px);
  overflow-y:auto;
}
.mobile-menu.open{
  display:block;
}
@media(min-width:1024px){
  .mobile-menu{display:none !important;}
}
.mobile-nav-link{
  display:block;
  padding:13px 20px;
  font-size:18px;
  font-weight:500;
  color:var(--color-text);
  border-bottom:1px solid var(--color-line);
  transition:background-color .2s ease,color .2s ease,padding-left .2s ease;
}
.mobile-nav-link:hover{
  background:rgba(160,60,44,.05);
  color:var(--color-primary);
  padding-left:26px;
}
.article-main{
  padding:56px 0 72px;
}
@media(max-width:767.98px){
  .article-main{padding:34px 0 56px;}
}
.article-eyebrow{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:18px;
  font-family:Arial,Helvetica,sans-serif;
  font-size:12px;
  letter-spacing:.14em;
  color:var(--color-text-2);
  text-transform:uppercase;
}
.article-eyebrow::before{
  content:"";
  width:26px;
  height:1px;
  background:var(--color-copper);
}
.breadcrumb-line{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin-bottom:18px;
  font-size:13px;
  color:var(--color-text-2);
}
.breadcrumb-line a{
  transition:color .2s ease;
}
.breadcrumb-line a:hover{
  color:var(--color-primary);
}
.article-title{
  font-family:"Songti SC","STSong","Noto Serif CJK SC",serif;
  font-size:clamp(38px,6vw,48px);
  font-weight:800;
  line-height:1.18;
  color:var(--color-text);
  letter-spacing:-0.01em;
}
.article-summary{
  margin:22px 0 8px;
  font-size:18px;
  line-height:1.8;
  color:var(--color-text-2);
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 14px;
  margin-top:20px;
  padding-top:16px;
  border-top:1px solid var(--color-line);
  font-size:13px;
  color:var(--color-text-2);
}
.meta-dot{
  width:3px;
  height:3px;
  border-radius:50%;
  background:var(--color-copper);
}
.article-cover{
  border-radius:4px;
  overflow:hidden;
  margin:30px 0 38px;
  background:var(--color-night-soft);
}
.article-cover img{
  width:100%;
  height:auto;
  object-fit:cover;
}
.article-prose{
  font-size:17px;
  color:var(--color-text);
}
.article-prose > p{
  font-size:17px;
  line-height:1.9;
  margin-bottom:28px;
}
.article-prose h2{
  font-family:"Songti SC","STSong","Noto Serif CJK SC",serif;
  font-size:28px;
  font-weight:800;
  line-height:1.35;
  margin:50px 0 18px;
  color:var(--color-text);
}
.article-prose h3{
  font-size:20px;
  font-weight:700;
  line-height:1.45;
  margin:36px 0 14px;
  color:var(--color-text);
}
.article-prose ul,
.article-prose ol{
  margin:0 0 28px;
  padding-left:24px;
  line-height:1.9;
}
.article-prose ul li,
.article-prose ol li{
  margin-bottom:8px;
}
.article-prose a{
  color:var(--color-primary);
  border-bottom:1px solid rgba(160,60,44,.35);
  transition:border-color .2s ease,color .2s ease;
}
.article-prose a:hover{
  color:var(--color-primary-deep);
  border-color:var(--color-primary);
}
.article-prose img{
  border-radius:4px;
  margin:32px auto;
}
.article-prose figure{
  margin:34px 0;
}
.article-prose figcaption{
  font-size:13px;
  text-align:center;
  color:var(--color-text-2);
  padding:12px 10px 4px;
}
.article-prose blockquote{
  margin:34px 0;
  padding:20px 24px;
  border-left:4px solid var(--color-primary);
  background:rgba(246,242,234,.55);
  font-family:"Songti SC","STSong","Noto Serif CJK SC",serif;
  font-size:18px;
  line-height:1.85;
  color:var(--color-text);
}
.article-return{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  margin-top:44px;
  padding:22px 0;
  border-top:1px solid var(--color-line);
}
.return-link{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  font-weight:600;
  color:var(--color-text);
  transition:color .2s ease,gap .2s ease;
}
.return-link:hover{
  color:var(--color-primary);
  gap:14px;
}
.related-picks{
  margin:10px 0 0;
  padding-top:8px;
  border-top:1px solid var(--color-line);
}
.related-picks h2{
  font-family:"Songti SC","STSong","Noto Serif CJK SC",serif;
  font-size:25px;
  font-weight:800;
  color:var(--color-text);
  margin:0 0 8px;
}
.related-row{
  display:block;
}
.related-row-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:18px 6px 18px 0;
  border-bottom:1px solid var(--color-line);
  transition:background-color .2s ease,padding-left .2s ease;
}
.related-row-item:hover{
  background:rgba(160,60,44,.04);
  padding-left:8px;
}
.related-row-title{
  font-size:16px;
  font-weight:600;
  color:var(--color-text);
  transition:color .2s ease;
}
.related-row-item:hover .related-row-title{
  color:var(--color-primary);
}
.related-row-date{
  flex-shrink:0;
  font-family:Arial,Helvetica,sans-serif;
  font-size:13px;
  color:var(--color-text-2);
}
.article-callout{
  padding-top:64px;
  padding-bottom:10px;
}
.callout-box{
  background:var(--color-night);
  color:var(--color-paper);
  padding:32px 38px 34px;
  border-radius:2px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:26px;
}
@media(max-width:767.98px){
  .callout-box{padding:28px 22px;}
}
.callout-box h2{
  font-family:"Songti SC","STSong","Noto Serif CJK SC",serif;
  font-size:23px;
  font-weight:800;
  line-height:1.3;
  color:var(--color-paper);
}
.callout-box p{
  margin-top:8px;
  font-size:14px;
  line-height:1.7;
  color:#B8AFA3;
}
.callout-form{
  display:flex;
  width:100%;
  max-width:420px;
  border-bottom:1px solid rgba(246,242,234,.4);
}
.callout-form input{
  flex:1;
  min-width:0;
  background:transparent;
  border:0;
  padding:12px 4px;
  font-size:14px;
  color:var(--color-paper);
}
.callout-form input::placeholder{
  color:#8C847B;
}
.callout-form input:focus{
  outline:none;
}
.callout-form button{
  padding:10px 2px 10px 18px;
  background:transparent;
  border:0;
  color:var(--color-copper);
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  transition:color .2s ease,transform .2s ease;
}
.callout-form button:hover{
  color:#E5D3B6;
  transform:translateX(3px);
}
.footer-line{
  border-top:1px solid rgba(246,242,234,.12);
}
.footer-link{
  color:#9C9387;
  transition:color .2s ease;
}
.footer-link:hover,.footer-link:focus-visible{
  color:#E5DCCC;
}
.not-found{
  padding:90px 0 110px;
  text-align:center;
}
.not-found h1{
  font-family:"Songti SC","STSong","Noto Serif CJK SC",serif;
  font-size:34px;
  font-weight:900;
  color:var(--color-text);
}
.not-found p{
  margin:12px 0 28px;
  font-size:15px;
  color:var(--color-text-2);
}