/* roulang page: index */
:root {
            --pine-900: #0E3430;
            --pine-700: #1F5651;
            --pine-500: #5D9C93;
            --brass: #AD7E45;
            --brass-dark: #7A5530;
            --paper: #F6F4EF;
            --text: #1C2A28;
            --muted: #5C6764;
            --border: #D8D5CC;
            --card-radius: 8px;
            --image-radius: 12px;
            --tag-radius: 4px;
            --focus-ring: var(--brass);
            --transition: .26s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background: var(--paper);
            color: var(--text);
            font-family: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', sans-serif;
            font-size: 16px;
            line-height: 1.75;
            text-rendering: optimizeLegibility;
        }

        body.menu-open {
            overflow: hidden;
        }

        section[id],
        div[id] {
            scroll-margin-top: 84px;
        }

        h1,
        h2,
        h3,
        h4 {
            text-wrap: balance;
            font-weight: 700;
            line-height: 1.3;
        }

        h2 {
            font-size: clamp(26px, 3vw, 34px);
        }

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

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

        button {
            cursor: pointer;
            font: inherit;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--focus-ring);
            outline-offset: 3px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--pine-900);
            color: #fff;
            border: 1px solid var(--pine-900);
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            padding: 0 24px;
            min-height: 46px;
            line-height: 1;
            transition: transform .22s ease, box-shadow .22s ease, background-color .22s ease;
            will-change: transform;
        }

        .btn:hover {
            background: var(--pine-700);
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(15, 52, 48, .18);
        }

        .btn:active {
            transform: translateY(0) scale(.98);
            box-shadow: none;
        }

        .btn-outline {
            background: transparent;
            color: var(--pine-900);
            border-color: var(--pine-700);
        }

        .btn-outline:hover {
            background: rgba(31, 86, 81, .06);
            border-color: var(--pine-900);
            box-shadow: none;
        }

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

        .btn-brass:hover {
            background: var(--brass-dark);
            border-color: var(--brass-dark);
        }

        .btn-light {
            background: #F6F4EF;
            color: var(--pine-900);
            border-color: rgba(255, 255, 255, .2);
        }

        .btn-light:hover {
            background: #fff;
            color: var(--pine-900);
            box-shadow: 0 10px 28px rgba(0, 0, 0, .18);
        }

        .section-pad {
            padding: 88px 0;
        }

        @media(max-width:767px) {
            .section-pad {
                padding: 60px 0;
            }
        }

        .container-x {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }

        @media(max-width:640px) {
            .container-x {
                padding: 0 18px;
            }
        }

        .section-head {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 36px;
        }

        .section-head .overline {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .08em;
            text-transform: uppercase;
            color: var(--brass);
            margin-bottom: 8px;
        }

        .section-head p {
            color: var(--muted);
            max-width: 620px;
        }

        .link-arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--pine-700);
            transition: color .2s;
            min-height: 44px;
        }

        .link-arrow:hover {
            color: var(--brass);
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: var(--paper);
            border-bottom: 1px solid transparent;
            transition: box-shadow .25s, background-color .25s, border-color .25s;
        }

        .site-header.scrolled {
            background: #FCFBF8;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 8px 26px rgba(28, 42, 40, .06);
        }

        .nav-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        @media(max-width:640px) {
            .nav-inner {
                padding: 0 18px;
            }
        }

        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 22px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            min-height: 44px;
            flex-shrink: 0;
        }

        .brand-mark {
            width: 38px;
            height: 38px;
            background: var(--pine-900);
            color: #fff;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 17px;
            letter-spacing: 0;
        }

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

        .brand-text strong {
            font-size: 17px;
            font-weight: 800;
            color: var(--pine-900);
            white-space: nowrap;
        }

        .brand-text small {
            font-size: 11px;
            color: var(--muted);
            letter-spacing: .06em;
        }

        @media(max-width:520px) {
            .brand-text small {
                display: none;
            }
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .nav-menu a {
            display: inline-flex;
            align-items: center;
            min-height: 36px;
            padding: 0 13px;
            border-radius: 999px;
            color: var(--text);
            font-size: 14px;
            font-weight: 600;
            transition: background-color .2s, color .2s;
            white-space: nowrap;
        }

        .nav-menu a:hover {
            background: rgba(93, 156, 147, .16);
            color: var(--pine-900);
        }

        .nav-menu a.active {
            background: var(--pine-900);
            color: #fff;
        }

        .nav-cta {
            min-height: 42px;
            padding: 0 20px;
            font-size: 14px;
        }

        .menu-toggle {
            display: none;
            border: none;
            background: rgba(31, 86, 81, .1);
            width: 44px;
            height: 44px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
        }

        .menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            border-radius: 4px;
            background: var(--pine-900);
        }

        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            z-index: 110;
            background: rgba(12, 30, 28, .55);
            opacity: 0;
            transition: opacity .3s;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: 0;
            z-index: 120;
            width: min(360px, 86vw);
            height: 100dvh;
            background: var(--paper);
            padding: 24px;
            transform: translateX(100%);
            transition: transform .34s ease;
            display: flex;
            flex-direction: column;
        }

        body.menu-open .mobile-overlay {
            display: block;
            opacity: 1;
        }

        body.menu-open .mobile-drawer {
            transform: translateX(0);
        }

        .drawer-head {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 22px;
        }

        .drawer-close {
            width: 44px;
            height: 44px;
            border-radius: 8px;
            border: none;
            background: rgba(31, 86, 81, .1);
            font-size: 24px;
            color: var(--pine-900);
            line-height: 1;
        }

        .drawer-menu {
            display: grid;
            gap: 6px;
        }

        .drawer-menu a {
            display: flex;
            min-height: 52px;
            align-items: center;
            color: var(--text);
            font-weight: 600;
            padding: 0 14px;
            border-radius: 8px;
        }

        .drawer-menu a:hover {
            background: rgba(93, 156, 147, .18);
        }

        .drawer-menu a.active {
            background: var(--pine-900);
            color: #fff;
        }

        .fab-wrapper {
            position: fixed;
            right: 22px;
            bottom: 22px;
            z-index: 90;
            display: flex;
            align-items: center;
            gap: 10px;
            visibility: hidden;
            opacity: 0;
            transform: translateY(16px);
            transition: opacity .3s, transform .3s, visibility .3s;
        }

        .fab-wrapper.visible {
            visibility: visible;
            opacity: 1;
            transform: translateY(0);
        }

        .fab-main {
            display: flex;
            align-items: center;
            gap: 10px;
            width: auto;
            height: 50px;
            padding: 0 22px;
            background: var(--brass);
            border: none;
            border-radius: 999px;
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            box-shadow: 0 12px 30px rgba(28, 42, 40, .18);
            transition: background-color .2s, transform .2s;
        }

        .fab-main:hover {
            background: var(--brass-dark);
            transform: translateY(-2px);
        }

        .fab-close {
            width: 50px;
            height: 50px;
            border-radius: 500px;
            background: #fff;
            border: 1px solid var(--border);
            color: var(--muted);
            font-size: 18px;
            box-shadow: 0 8px 20px rgba(28, 42, 40, .08);
        }

        @media(max-width:767px) {
            .nav-menu,
            .nav-right .nav-cta {
                display: none;
            }

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

            .fab-main span {
                display: none;
            }

            .fab-main {
                width: 50px;
                padding: 0;
                justify-content: center;
            }
        }

        .hero {
            background: var(--paper);
            min-height: calc(100vh - 64px);
            display: grid;
            grid-template-columns: 1fr 1fr;
            max-width: 1280px;
            margin: 0 auto;
            padding: 64px 0 0;
            overflow: hidden;
        }

        .hero-content {
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 72px 48px 72px 32px;
        }

        .hero-kicker {
            color: var(--brass);
            font-size: 14px;
            font-weight: 800;
            letter-spacing: .1em;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-kicker:before {
            content: '';
            width: 22px;
            height: 2px;
            background: var(--brass);
            display: inline-block;
            border-radius: 3px;
        }

        .hero h1 {
            font-size: clamp(34px, 5vw, 52px);
            color: var(--pine-900);
            font-weight: 900;
            letter-spacing: -0.02em;
            margin: 0 0 20px;
        }

        .hero-lead {
            font-size: 18px;
            line-height: 1.8;
            color: var(--muted);
            max-width: 580px;
            margin: 0 0 6px;
        }

        .hero-note {
            display: block;
            color: var(--muted);
            margin-top: 16px;
            font-size: 14px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 32px;
        }

        .hero-visual {
            position: relative;
            min-height: 520px;
            background: var(--pine-900);
            overflow: hidden;
        }

        .hero-visual img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: .72;
        }

        .hero-panel {
            position: absolute;
            left: 32px;
            right: 32px;
            bottom: 32px;
            padding: 22px 24px;
            border-radius: 12px;
            background: rgba(246, 244, 239, .95);
            border: 1px solid rgba(255, 255, 255, .4);
            box-shadow: 0 18px 40px rgba(0, 0, 0, .1);
            backdrop-filter: none;
        }

        .hero-panel h2 {
            color: var(--pine-900);
            font-size: 18px;
            margin-bottom: 4px;
        }

        .hero-panel p {
            color: var(--muted);
            margin: 0;
            font-size: 14px;
        }

        .hero-chip {
            display: inline-block;
            background: var(--pine-700);
            color: #fff;
            border-radius: var(--tag-radius);
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: .03em;
        }

        @media(max-width:1024px) {
            .hero {
                grid-template-columns: 1fr;
                padding-top: 0;
            }

            .hero-content {
                padding: 96px 28px 50px;
            }

            .hero-visual {
                min-height: 360px;
            }
        }

        @media(max-width:600px) {
            .hero-content {
                padding: 84px 20px 42px;
            }

            .hero-visual {
                min-height: 280px;
            }

            .hero-panel {
                left: 16px;
                right: 16px;
                bottom: 16px;
            }
        }

        .channel-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 28px 24px;
            height: 100%;
            box-shadow: 0 1px 3px rgba(28, 42, 40, .05);
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s;
        }

        .channel-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 32px rgba(28, 42, 40, .08);
            border-color: rgba(93, 156, 147, .5);
        }

        .channel-icon {
            width: 46px;
            height: 46px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(93, 156, 147, .2);
            color: var(--pine-700);
            font-size: 21px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .channel-card h3 {
            font-size: 19px;
            color: var(--text);
            margin-bottom: 8px;
        }

        .channel-card p {
            color: var(--muted);
            font-size: 14px;
            margin-bottom: 12px;
        }

        .channel-more {
            color: var(--brass);
            font-size: 14px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .guide-wrap {
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            align-items: center;
            gap: 64px;
            padding: 56px 0 88px;
        }

        .screen-shell {
            border-radius: 16px;
            border: 1px solid var(--border);
            background: #fff;
            box-shadow: 0 24px 50px rgba(28, 42, 40, .12);
            overflow: hidden;
        }

        .screen-bar {
            height: 40px;
            background: #E5E1D8;
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 0 14px;
        }

        .screen-dot {
            width: 9px;
            height: 9px;
            border-radius: 10px;
            display: inline-block;
        }

        .screen-image {
            background: var(--pine-900);
            position: relative;
            aspect-ratio: 16 / 9.5;
        }

        .screen-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: .8;
        }

        .screen-caption {
            position: absolute;
            left: 18px;
            bottom: 18px;
            color: #fff;
            font-size: 13px;
            background: rgba(14, 52, 48, .7);
            padding: 8px 14px;
            border-radius: 999px;
        }

        .guide-copy h2 {
            color: var(--pine-900);
        }

        .guide-copy .lead {
            color: var(--muted);
            margin: 16px 0 26px;
        }

        .step-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: grid;
            gap: 16px;
        }

        .step-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }

        .step-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #fff;
            border: 1px solid rgba(93, 156, 147, .5);
            color: var(--pine-700);
            font-size: 13px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            margin-top: 4px;
        }

        .step-item strong {
            display: block;
            color: var(--text);
            margin-bottom: 2px;
        }

        .step-item span {
            color: var(--muted);
            font-size: 14px;
        }

        @media(max-width:900px) {
            .guide-wrap {
                grid-template-columns: 1fr;
                gap: 40px;
                padding: 32px 0 64px;
            }
        }

        .cms-section {
            background: #EDEAE3;
        }

        .cms-grid {
            display: grid;
            grid-template-columns: 1.04fr .96fr;
            gap: 28px;
            align-items: start;
        }

        .news-feature {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--image-radius);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .news-feature-media {
            display: block;
            aspect-ratio: 16 / 8.6;
            overflow: hidden;
            background: var(--pine-900);
        }

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

        .news-feature:hover .news-feature-media img {
            transform: scale(1.03);
        }

        .news-feature-body {
            padding: 22px 24px 24px;
        }

        .cms-list {
            display: grid;
            gap: 14px;
        }

        .news-row {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 13px 14px;
            display: grid;
            grid-template-columns: 96px 1fr;
            gap: 16px;
            align-items: center;
            transition: transform .2s, box-shadow .2s;
        }

        .news-row:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(28, 42, 40, .07);
        }

        .news-row-thumb {
            width: 96px;
            aspect-ratio: 4 / 3;
            border-radius: 8px;
            overflow: hidden;
        }

        .news-row-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-row h3 {
            font-size: 15px;
            line-height: 1.5;
            margin: 0 0 4px;
        }

        .news-row p {
            font-size: 13px;
            color: var(--muted);
            margin: 0;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        @media(max-width:860px) {
            .cms-grid {
                grid-template-columns: 1fr;
            }
        }

        @media(max-width:520px) {
            .news-row {
                grid-template-columns: 80px 1fr;
                gap: 12px;
            }

            .news-row-thumb {
                width: 80px;
            }
        }

        .badge {
            display: inline-block;
            background: rgba(93, 156, 147, .15);
            color: var(--pine-700);
            border-radius: 4px;
            padding: 3px 9px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: .03em;
        }

        .cms-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--muted);
            font-size: 13px;
            margin-top: 14px;
            flex-wrap: wrap;
        }

        .cms-meta .sep {
            color: var(--border);
        }

        .empty-state {
            border: 1px dashed var(--border);
            background: rgba(255, 255, 255, .5);
            border-radius: 14px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 64px 24px;
            text-align: center;
            gap: 10px;
            color: var(--muted);
            grid-column: 1 / -1;
        }

        .empty-state .icon {
            font-size: 36px;
            line-height: 1;
            opacity: .6;
        }

        .stats-wrap {
            background: var(--pine-900);
            border-radius: 16px;
            color: #fff;
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
            box-shadow: 0 24px 46px rgba(14, 52, 48, .16);
        }

        .stat-panel {
            padding: 52px 48px;
            border-right: 1px solid rgba(255, 255, 255, .12);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .stat-panel h2 {
            color: #fff;
        }

        .stat-panel p {
            color: rgba(255, 255, 255, .72);
            margin: 8px 0 0;
        }

        .stat-numbers {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 28px;
        }

        .stat-number {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: 12px;
            padding: 18px 14px;
            text-align: center;
        }

        .stat-number strong {
            font-size: 28px;
            display: block;
            color: #F3D6A0;
        }

        .stat-number span {
            font-size: 13px;
            color: rgba(255, 255, 255, .68);
        }

        .quote-panel {
            padding: 44px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 26px;
        }

        .quote-card {
            background: rgba(255, 255, 255, .07);
            border-left: 4px solid var(--brass);
            border-radius: 8px;
            padding: 18px 22px;
        }

        .quote-card p {
            margin: 0 0 6px;
            color: rgba(255, 255, 255, .92);
            font-size: 15px;
            line-height: 1.65;
        }

        .quote-card small {
            color: rgba(255, 255, 255, .62);
            font-size: 13px;
        }

        @media(max-width:900px) {
            .stats-wrap {
                grid-template-columns: 1fr;
            }

            .stat-panel {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, .1);
                padding: 32px 24px;
            }

            .quote-panel {
                padding: 24px;
            }
        }

        @media(max-width:520px) {
            .stat-numbers {
                grid-template-columns: 1fr 1fr;
            }
        }

        .plan-grid {
            display: grid;
            grid-template-columns: 1fr 1.1fr 1fr;
            gap: 24px;
            align-items: center;
        }

        .plan-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 30px;
            box-shadow: 0 2px 10px rgba(28, 42, 40, .05);
            height: 100%;
        }

        .plan-card.featured {
            background: var(--pine-900);
            border-color: var(--pine-900);
            color: #fff;
            box-shadow: 0 24px 44px rgba(14, 52, 48, .2);
            transform: none;
            position: relative;
        }

        .plan-recommend {
            position: absolute;
            top: -14px;
            left: 30px;
            background: var(--brass);
            color: #fff;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 800;
        }

        .plan-card h3 {
            font-size: 20px;
            margin-bottom: 10px;
        }

        .plan-card.featured h3 {
            color: #fff;
        }

        .plan-card p {
            color: var(--muted);
            font-size: 14px;
            margin-bottom: 20px;
        }

        .plan-card.featured p {
            color: rgba(255, 255, 255, .76);
        }

        .plan-item {
            list-style: none;
            padding: 0;
            margin: 0 0 22px;
            display: grid;
            gap: 8px;
        }

        .plan-item li {
            padding-left: 20px;
            position: relative;
            font-size: 14px;
        }

        .plan-item li:before {
            content: '';
            position: absolute;
            left: 0;
            top: .62em;
            width: 7px;
            height: 7px;
            border-radius: 9px;
            background: var(--brass);
        }

        .plan-card.featured .plan-item li {
            color: rgba(255, 255, 255, .95);
        }

        @media(max-width:900px) {
            .plan-grid {
                grid-template-columns: 1fr;
                max-width: 520px;
                margin: 0 auto;
            }

            .plan-card.featured {
                order: -1;
            }
        }

        .faq-grid {
            display: grid;
            grid-template-columns: .9fr 1.1fr;
            gap: 48px;
            align-items: start;
        }

        .faq-intro .overline {
            color: var(--brass);
        }

        .faq-intro h2 {
            color: var(--pine-900);
            margin-bottom: 12px;
        }

        .faq-intro p {
            color: var(--muted);
            margin-bottom: 20px;
        }

        .faq-list {
            border-top: 1px solid var(--border);
        }

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

        .faq-item+.faq-item {
            border-top: none;
        }

        .faq-question {
            background: transparent;
            border: none;
            padding: 18px 0;
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            text-align: left;
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: .01em;
            min-height: 52px;
            gap: 16px;
        }

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(93, 156, 147, .18);
            color: var(--pine-700);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
            transition: transform .25s;
        }

        .faq-answer {
            display: grid;
            grid-template-rows: 0fr;
            transition: grid-template-rows .3s ease;
        }

        .faq-answer>div {
            overflow: hidden;
        }

        .faq-answer p {
            color: var(--muted);
            padding-bottom: 22px;
            margin: 0;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            grid-template-rows: 1fr;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        @media(max-width:860px) {
            .faq-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        .cta-belt {
            background: var(--pine-900);
            border-radius: 16px;
            color: #fff;
            padding: 56px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            overflow: hidden;
            position: relative;
            box-shadow: 0 24px 48px rgba(14, 52, 48, .2);
        }

        .cta-belt h2 {
            color: #fff;
            font-size: 28px;
            max-width: 520px;
            margin-bottom: 8px;
        }

        .cta-belt p {
            color: rgba(255, 255, 255, .76);
            margin: 0;
        }

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

        @media(max-width:680px) {
            .cta-belt {
                padding: 36px 24px;
            }
        }

        .site-footer {
            background: var(--pine-900);
            color: rgba(255, 255, 255, .78);
            margin-top: 88px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.3fr .8fr .8fr 1.1fr;
            gap: 32px;
            padding: 56px 0 36px;
            border-bottom: 1px solid rgba(255, 255, 255, .12);
        }

        .footer-brand {
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }

        .footer-brand .brand-mark {
            width: 32px;
            height: 32px;
            font-size: 14px;
        }

        .footer-col p {
            color: rgba(255, 255, 255, .66);
            font-size: 14px;
            max-width: 280px;
            margin: 12px 0 0;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            margin: 0 0 16px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: grid;
            gap: 10px;
        }

        .footer-col a {
            color: rgba(255, 255, 255, .74);
            font-size: 14px;
            display: inline-flex;
            min-height: 32px;
            align-items: center;
            transition: color .2s;
        }

        .footer-col a:hover {
            color: #fff;
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            padding: 22px 0 30px;
            color: rgba(255, 255, 255, .55);
            font-size: 13px;
        }

        @media(max-width:860px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media(max-width:560px) {
            .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        .img-frame {
            border-radius: 12px;
            overflow: hidden;
        }

        .decor-line {
            height: 2px;
            width: 36px;
            border-radius: 4px;
            background: var(--brass);
            margin: 22px 0;
        }

/* roulang page: article */
:root {
            --pine-900: #0E3430;
            --pine-700: #1F5651;
            --pine-500: #5D9C93;
            --brass: #AD7E45;
            --paper: #F6F4EF;
            --text-main: #1C2A28;
            --text-muted: #5C6764;
            --border: #D8D5CC;
            --card-radius: 8px;
            --image-radius: 12px;
            --tag-radius: 4px;
            --shadow-sm: 0 2px 10px rgba(14, 52, 48, 0.06);
            --shadow-md: 0 10px 28px rgba(14, 52, 48, 0.09);
            --transition: all .22s ease;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--paper);
            color: var(--text-main);
            font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        body.menu-open {
            overflow: hidden;
        }

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

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

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

        ul,
        ol {
            list-style: none;
        }

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

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

        .container-x {
            width: min(100% - 32px, 1280px);
            margin-inline: auto;
        }

        .container-narrow {
            width: min(100% - 32px, 780px);
            margin-inline: auto;
        }

        /* ======== Header ======== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 80;
            background: var(--paper);
            border-bottom: 1px solid rgba(216, 213, 204, 0.8);
        }

        .site-header .nav-inner {
            max-width: 1336px;
            width: calc(100% - 32px);
            margin-inline: auto;
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 24px;
        }

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

        .brand-mark {
            width: 40px;
            height: 40px;
            background: var(--pine-900);
            color: #F6F4EF;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -1px;
            box-shadow: inset 0 -2px 0 rgba(255, 255, 255, 0.08);
        }

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

        .brand-text strong {
            font-size: 16px;
            color: var(--pine-900);
            letter-spacing: 0.02em;
        }

        .brand-text small {
            font-size: 11px;
            letter-spacing: 0.08em;
            color: var(--text-muted);
            margin-top: 3px;
        }

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

        .nav-menu a {
            display: block;
            padding: 8px 13px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 600;
            color: #33413E;
            position: relative;
        }

        .nav-menu a:hover {
            color: var(--pine-700);
            background: rgba(31, 86, 81, 0.07);
        }

        .nav-menu a.active {
            color: var(--pine-700);
        }

        .nav-menu a.active::after {
            content: "";
            position: absolute;
            left: 13px;
            right: 13px;
            bottom: 1px;
            height: 2px;
            border-radius: 999px;
            background: var(--pine-700);
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 700;
            line-height: 1;
            padding: 0 20px;
            height: 38px;
            border: 1px solid transparent;
            white-space: nowrap;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 8px 18px rgba(14, 52, 48, 0.12);
        }

        .btn:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(14, 52, 48, 0.10);
        }

        .btn-primary {
            background: var(--pine-900);
            color: #F6F4EF;
        }

        .btn-primary:hover {
            background: #143F3A;
        }

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

        .btn-brass:hover {
            background: #B88952;
            color: #fff;
        }

        .btn-outline {
            border-color: rgba(173, 126, 69, 0.6);
            color: var(--brass);
            background: transparent;
        }

        .btn-outline:hover {
            border-color: var(--brass);
            background: rgba(173, 126, 69, 0.08);
        }

        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: transparent;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 4px;
            cursor: pointer;
        }

        .menu-toggle span {
            width: 18px;
            height: 2px;
            border-radius: 99px;
            background: var(--pine-900);
            transition: var(--transition);
        }

        /* ======== Breadcrumb ======== */
        .breadcrumb-wrap {
            background: rgba(246, 244, 239, 0.82);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }

        .breadcrumb-list {
            max-width: 1336px;
            margin-inline: auto;
            width: calc(100% - 32px);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            color: var(--text-muted);
            font-size: 13px;
        }

        .breadcrumb-list a {
            color: var(--pine-700);
        }

        .breadcrumb-list a:hover {
            color: var(--brass);
        }

        .breadcrumb-list .sep {
            color: #9BA19D;
        }

        .breadcrumb-list .current {
            color: #33413E;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 260px;
        }

        /* ======== Article Page Main ======== */
        .article-page-main {
            padding: 48px 0 72px;
        }

        .article-toolbar {
            margin-bottom: 26px;
        }

        .article-meta-line {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .article-cat-badge {
            display: inline-flex;
            align-items: center;
            height: 26px;
            padding: 0 12px;
            background: rgba(31, 86, 81, 0.10);
            color: var(--pine-700);
            border-radius: var(--tag-radius);
            font-size: 13px;
            font-weight: 600;
        }

        .article-time {
            display: inline-flex;
            align-items: center;
            color: var(--text-muted);
            font-size: 13px;
        }

        .article-wrapper {
            background: #fff;
            border: 1px solid #EAE7E0;
            border-radius: 14px;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }

        .article-banner {
            max-height: 360px;
            overflow: hidden;
            position: relative;
            background: var(--pine-900);
        }

        .article-banner img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 1200 / 500;
        }

        .article-inner {
            padding: 44px 56px 36px;
            max-width: 860px;
            margin-inline: auto;
        }

        .article-title {
            font-size: 34px;
            line-height: 1.4;
            letter-spacing: 0.01em;
            color: var(--pine-900);
            font-weight: 800;
            margin: 4px 0 0;
            word-break: break-word;
        }

        .article-lead {
            margin-top: 20px;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            border-left: 3px solid var(--brass);
            background: #FBFAF7;
            padding: 14px 18px;
            border-radius: 0 8px 8px 0;
        }

        .article-meta-detail {
            margin-top: 22px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
            color: var(--text-muted);
            font-size: 13px;
            border-top: 1px solid #ECEAE4;
            padding-top: 16px;
        }

        .article-meta-detail span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta-detail .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--pine-500);
        }

        /*文章正文*/
        .article-content {
            padding: 34px 0 8px;
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-main);
            word-break: break-word;
        }

        .article-content > * {
            margin: 0 0 1.4rem;
        }

        .article-content h2 {
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            font-size: 26px;
            font-weight: 800;
            color: var(--pine-900);
            line-height: 1.5;
        }

        .article-content h3 {
            margin-top: 2rem;
            margin-bottom: .8rem;
            font-size: 21px;
            font-weight: 700;
            color: #27413C;
            line-height: 1.55;
        }

        .article-content h4 {
            margin-top: 1.5rem;
            margin-bottom: .6rem;
            font-size: 18px;
            font-weight: 700;
            color: #2A4A45;
        }

        .article-content p {
            margin-bottom: 1.35rem;
        }

        .article-content a {
            color: var(--pine-700);
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-color: rgba(31, 86, 81, 0.35);
            transition: var(--transition);
        }

        .article-content a:hover {
            color: var(--brass);
            text-decoration-color: var(--brass);
        }

        .article-content ul,
        .article-content ol {
            margin: 1.2rem 0 1.6rem;
            padding-left: 0;
        }

        .article-content ul li,
        .article-content ol li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 8px;
            line-height: 1.8;
        }

        .article-content ul li::before {
            content: "";
            position: absolute;
            left: 5px;
            top: 0.78em;
            width: 7px;
            height: 7px;
            background: var(--pine-500);
            border-radius: 2px;
        }

        .article-content ol {
            counter-reset: rl;
        }

        .article-content ol li {
            counter-increment: rl;
            padding-left: 30px;
        }

        .article-content ol li::before {
            content: counter(rl, decimal-leading-zero);
            position: absolute;
            left: 0;
            top: 0.05em;
            font-size: 13px;
            font-weight: 700;
            color: var(--brass);
        }

        .article-content blockquote {
            border-left: 3px solid var(--brass);
            background: #F8F5EF;
            padding: 14px 18px;
            border-radius: 0 8px 8px 0;
            color: #3D4C48;
            font-size: 15px;
        }

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

        .article-content img {
            border-radius: var(--image-radius);
            margin: 1.5rem 0;
            box-shadow: var(--shadow-md);
        }

        .article-content code {
            background: #EEF0EC;
            border: 1px solid #E1E2DC;
            padding: 2px 7px;
            border-radius: 5px;
            font-size: 14px;
            color: var(--pine-900);
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
        }

        .article-content pre {
            background: #102B28;
            color: #EDEDE8;
            padding: 20px;
            border-radius: 12px;
            overflow-x: auto;
            font-size: 14px;
            line-height: 1.7;
            margin: 1.6rem 0;
        }

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

        .article-content table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            border: 1px solid var(--border);
            border-radius: 10px;
            overflow: hidden;
            font-size: 15px;
            margin: 1.6rem 0;
        }

        .article-content table th,
        .article-content table td {
            border-bottom: 1px solid var(--border);
            padding: 10px 14px;
            vertical-align: top;
            text-align: left;
        }

        .article-content table tr:last-child td {
            border-bottom: 0;
        }

        .article-content table th {
            background: #F5F3ED;
            color: var(--pine-900);
        }

        /* ======== Article Footer ======== */
        .article-footer-block {
            margin-top: 28px;
            border-top: 1px solid #EBE9E2;
            padding-top: 28px;
        }

        .article-tag-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 13px;
        }

        .article-tag-row > span {
            color: var(--text-muted);
            margin-right: 2px;
        }

        .tag-badge {
            display: inline-flex;
            align-items: center;
            min-height: 28px;
            padding: 0 11px;
            border-radius: var(--tag-radius);
            background: #F5F3ED;
            color: var(--pine-700);
            font-size: 13px;
            font-weight: 500;
            border: 1px solid #E6E2D8;
        }

        .tag-badge:hover {
            background: var(--pine-700);
            color: #fff;
            border-color: var(--pine-700);
        }

        .article-page-links {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-top: 28px;
        }

        .article-nav-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            background: #FBFAF7;
            border: 1px solid #E6E2D8;
            border-radius: 10px;
            padding: 14px 18px;
            min-height: 60px;
            transition: var(--transition);
        }

        .article-nav-link:hover {
            border-color: var(--pine-500);
            background: #F0F5F1;
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .article-nav-link em {
            font-style: normal;
            font-size: 13px;
            color: var(--text-muted);
            display: block;
            margin-bottom: 3px;
        }

        .article-nav-link strong {
            font-size: 15px;
            color: var(--pine-900);
            font-weight: 600;
            display: block;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 240px;
        }

        .article-nav-link.return-link {
            justify-content: flex-start;
            border-color: rgba(31, 86, 81, 0.2);
        }

        .return-link:hover {
            border-color: var(--pine-700);
        }

        /* ======== Related ======== */
        .related-section {
            margin-top: 64px;
        }

        .related-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            border-bottom: 1px solid var(--border);
            padding-bottom: 14px;
            margin-bottom: 26px;
        }

        .related-head h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--pine-900);
        }

        .related-more {
            color: var(--pine-700);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
        }

        .related-more:hover {
            color: var(--brass);
        }

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

        .related-card {
            background: #fff;
            border: 1px solid #EAE7E0;
            border-radius: 12px;
            display: grid;
            grid-template-columns: 170px 1fr;
            gap: 0;
            overflow: hidden;
            min-height: 142px;
            transition: var(--transition);
        }

        .related-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: #D7D2C4;
        }

        .related-card .thumb {
            background: #E6EDE9;
            overflow: hidden;
        }

        .related-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }

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

        .related-card .content {
            padding: 16px 18px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 6px;
        }

        .related-card .content .cat {
            font-size: 12px;
            color: var(--brass);
            font-weight: 700;
            letter-spacing: 0.04em;
        }

        .related-card .content h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--pine-900);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .content p {
            font-size: 13px;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .content .meta {
            font-size: 12px;
            color: #8B938F;
            display: flex;
            align-items: center;
            gap: 6px;
            margin-top: 2px;
        }

        .related-card .content .read {
            font-size: 13px;
            color: var(--pine-700);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 4px;
        }

        .related-card:hover .content .read {
            color: var(--brass);
        }

        /* ======== Empty state ======== */
        .empty-article {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 80px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }

        .empty-article .empty-title {
            font-size: 22px;
            font-weight: 800;
            color: var(--pine-900);
            margin-bottom: 14px;
        }

        .empty-article p {
            color: var(--text-muted);
            max-width: 420px;
            margin: 0 auto 24px;
        }

        /* ======== Footer ======== */
        .site-footer {
            background: var(--pine-900);
            color: #CBD3CF;
            font-size: 14px;
        }

        .site-footer .container-x {
            padding-top: 56px;
            padding-bottom: 24px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.1fr;
            gap: 44px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand .brand-mark {
            background: var(--brass);
            color: #102B28;
            box-shadow: none;
            font-size: 19px;
        }

        .footer-brand-col p {
            color: #A7B6B1;
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-col h4 {
            color: #E5EAE6;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul a {
            color: #A7B6B1;
            display: inline-block;
            padding: 3px 0;
        }

        .footer-col ul a:hover {
            color: #E7B98D;
        }

        .footer-bottom {
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            color: #93A59F;
            font-size: 13px;
        }

        .footer-bottom .domain {
            color: #B9C9C3;
        }

        /* ======== Responsive ======== */
        @media (max-width: 1024px) {
            .nav-menu {
                display: none;
            }

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

            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

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

            .article-inner {
                padding: 36px 30px 28px;
            }

            .article-title {
                font-size: 30px;
            }
        }

        @media (max-width: 768px) {
            .article-page-main {
                padding: 28px 0 40px;
            }

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

            .article-inner {
                padding: 28px 20px 24px;
            }

            .article-title {
                font-size: 26px;
            }

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

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

            .related-card {
                grid-template-columns: 120px 1fr;
            }

            .related-card .content {
                padding: 12px 14px;
            }

            .related-card .content h3 {
                font-size: 15px;
            }

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

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

        @media (max-width: 520px) {
            .brand-text small {
                display: none;
            }

            .brand-mark {
                width: 36px;
                height: 36px;
                font-size: 17px;
            }

            .container-x {
                width: calc(100% - 24px);
            }

            .site-header .nav-inner {
                width: calc(100% - 24px);
                height: 58px;
            }

            .nav-left {
                gap: 14px;
            }

            .article-banner img {
                aspect-ratio: 4 / 3;
            }

            .breadcrumb-list .current {
                max-width: 150px;
            }

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

            .related-card .thumb img {
                aspect-ratio: 16 / 9;
            }

            .article-content {
                font-size: 15.5px;
            }
        }

/* roulang page: category1 */
:root {
        --pine-950: #061F1C;
        --pine-900: #092723;
        --pine-800: #0E3430;
        --pine-700: #15433E;
        --pine-600: #1F5651;
        --pine-500: #2E6C64;
        --pine-200: #BFD6D1;
        --brass-500: #AD7E45;
        --brass-600: #996C3D;
        --brass-300: #CBAA72;
        --brass-100: #F0E1CD;
        --paper: #F6F4EF;
        --parchment: #EFEAE1;
        --ink: #1C2A28;
        --muted: #5C6764;
        --line: #D8D5CC;
        --shadow-lg: 0 20px 40px rgba(14, 52, 48, 0.14);
        --shadow-md: 0 12px 24px rgba(14, 52, 48, 0.08);
        --radius-md: 8px;
        --radius-lg: 12px;
        --container: 1200px;
        --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Segoe UI", "Roboto", sans-serif;
    }
    *,
    *::before,
    *::after {
        box-sizing: border-box;
    }
    html {
        scroll-behavior: smooth;
        scroll-padding-top: 82px;
    }
    body {
        margin: 0;
        font-family: var(--font-sans);
        background: var(--paper);
        color: var(--ink);
        font-size: 16px;
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
    }
    body.menu-open {
        overflow: hidden;
    }
    a {
        color: inherit;
        text-decoration: none;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    button,
    input {
        font-family: inherit;
    }
    h1,
    h2,
    h3,
    h4 {
        line-height: 1.35;
        margin: 0;
    }
    p {
        margin: 0;
    }
    .container-x {
        width: 100%;
        max-width: var(--container);
        margin-inline: auto;
        padding-inline: 24px;
    }
    @media (max-width: 640px) {
        .container-x {
            padding-inline: 18px;
        }
    }
    .site-header {
        position: sticky;
        top: 0;
        z-index: 60;
        background: rgba(246, 244, 239, 0.96);
        border-bottom: 1px solid var(--line);
        height: 64px;
        display: flex;
        align-items: center;
    }
    .site-header .nav-inner {
        width: 100%;
        max-width: var(--container);
        margin-inline: auto;
        padding-inline: 24px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 16px;
    }
    @media (max-width: 640px) {
        .site-header .nav-inner {
            padding-inline: 18px;
        }
    }
    .nav-left,
    .nav-right {
        display: flex;
        align-items: center;
        gap: 24px;
    }
    .brand-logo {
        display: flex;
        align-items: center;
        gap: 12px;
        border-radius: 8px;
        padding: 4px;
    }
    .brand-logo:focus-visible,
    .footer-brand:focus-visible,
    a:focus-visible {
        outline: 2px solid rgba(173, 126, 69, 0.9);
        outline-offset: 3px;
        border-radius: 4px;
    }
    .brand-mark {
        width: 42px;
        height: 42px;
        background: var(--pine-800);
        color: #fffaf0;
        font-size: 24px;
        font-weight: 800;
        border-radius: 8px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        letter-spacing: -0.03em;
        box-shadow: inset 0 -2px rgba(0, 0, 0, 0.12);
    }
    .brand-text {
        display: flex;
        flex-direction: column;
        line-height: 1.2;
    }
    .brand-text strong {
        color: var(--pine-800);
        font-size: 16px;
        letter-spacing: 0.01em;
        font-weight: 700;
    }
    .brand-text small {
        color: var(--muted);
        font-size: 12px;
        letter-spacing: 0.08em;
    }
    .nav-menu {
        display: flex;
        align-items: center;
        gap: 4px;
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .nav-menu a {
        display: inline-flex;
        align-items: center;
        min-height: 36px;
        padding: 4px 14px;
        border-radius: 999px;
        color: var(--ink);
        font-size: 15px;
        font-weight: 500;
        transition: background 0.2s ease, color 0.2s ease;
    }
    .nav-menu a:hover {
        color: var(--pine-600);
        background: rgba(31, 86, 81, 0.08);
    }
    .nav-menu a.active {
        color: var(--pine-800);
        background: rgba(30, 86, 80, 0.12);
        font-weight: 600;
        box-shadow: inset 0 -2px 0 var(--pine-600);
    }
    .nav-right {
        gap: 14px;
    }
    .nav-cta {
        flex-shrink: 0;
    }
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 44px;
        padding: 8px 22px;
        border-radius: 999px;
        font-size: 15px;
        font-weight: 600;
        border: 1px solid transparent;
        transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
        cursor: pointer;
    }
    .btn:focus-visible {
        outline: 2px solid rgba(173, 126, 69, 0.95);
        outline-offset: 3px;
    }
    .btn-pine {
        background: var(--pine-800);
        color: #fdfaf3;
    }
    .btn-pine:hover {
        background: var(--pine-700);
        transform: translateY(-1px);
        box-shadow: 0 10px 22px rgba(14, 52, 48, 0.22);
    }
    .btn-pine:active {
        transform: translateY(1px);
        box-shadow: none;
    }
    .btn-brass {
        background: var(--brass-500);
        color: #fffaf0;
    }
    .btn-brass:hover {
        background: var(--brass-600);
        transform: translateY(-1px);
        box-shadow: 0 10px 22px rgba(173, 126, 69, 0.3);
    }
    .btn-brass:active {
        transform: translateY(1px);
        box-shadow: none;
    }
    .btn-ghost {
        background: transparent;
        border-color: rgba(255, 255, 255, 0.5);
        color: #f8f5ee;
    }
    .btn-ghost:hover {
        background: rgba(255, 255, 255, 0.1);
        border-color: #fff;
        transform: translateY(-1px);
    }
    .menu-toggle {
        display: none;
        width: 44px;
        height: 44px;
        border: none;
        background: transparent;
        cursor: pointer;
        border-radius: 8px;
        align-items: center;
        justify-content: center;
        flex-direction: column;
        gap: 5px;
        padding: 0;
    }
    .menu-toggle:hover {
        background: rgba(31, 86, 81, 0.08);
    }
    .menu-toggle span {
        display: block;
        width: 22px;
        height: 2px;
        background: var(--pine-800);
        border-radius: 2px;
        transition: transform 0.25s ease, opacity 0.2s ease;
    }
    @media (max-width: 1023px) {
        .menu-toggle {
            display: inline-flex;
        }
        .nav-menu {
            position: fixed;
            top: 64px;
            right: 0;
            bottom: 0;
            width: min(78vw, 340px);
            z-index: 80;
            background: var(--paper);
            border-left: 1px solid var(--line);
            box-shadow: -20px 0 40px rgba(14, 52, 48, 0.2);
            flex-direction: column;
            align-items: stretch;
            justify-content: flex-start;
            gap: 6px;
            padding: 24px 20px;
            transform: translateX(105%);
            opacity: 0;
            pointer-events: none;
            transition: transform 0.28s ease, opacity 0.25s ease;
        }
        body.menu-open .nav-menu {
            transform: none;
            opacity: 1;
            pointer-events: auto;
        }
        .nav-menu a {
            display: flex;
            justify-content: flex-start;
            min-height: 48px;
            padding: 8px 18px;
            border-radius: 8px;
            font-size: 16px;
        }
        body.menu-open .menu-toggle span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        body.menu-open .menu-toggle span:nth-child(2) {
            opacity: 0;
        }
        body.menu-open .menu-toggle span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
    }
    @media (max-width: 640px) {
        .nav-left .nav-cta {
            display: none;
        }
    }
    .btn-sm {
        min-height: 36px;
        padding: 4px 16px;
        font-size: 14px;
    }
    .badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        border-radius: 4px;
        padding: 4px 12px;
        font-size: 12px;
        font-weight: 600;
        line-height: 24px;
        letter-spacing: 0.04em;
    }
    .badge-pine {
        background: rgba(31, 86, 81, 0.12);
        color: var(--pine-700);
    }
    .badge-brass {
        background: rgba(173, 126, 69, 0.18);
        color: #7C5A30;
    }
    .badge-paper {
        background: rgba(246, 244, 239, 0.2);
        color: #f8f5ee;
        border: 1px solid rgba(255, 255, 255, 0.35);
    }
    .block-kicker {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-size: 14px;
        font-weight: 600;
        color: var(--brass-600);
        letter-spacing: 0.05em;
        margin-bottom: 14px;
    }
    .block-kicker::before {
        content: "";
        width: 24px;
        height: 2px;
        background: var(--brass-500);
        border-radius: 2px;
        display: inline-block;
    }
    .section-heading h2 {
        font-size: clamp(26px, 3.2vw, 34px);
        color: var(--pine-900);
        font-weight: 700;
    }
    .section-heading p {
        color: var(--muted);
        margin-top: 10px;
        max-width: 680px;
    }
    @media (max-width: 640px) {
        .section-heading p {
            font-size: 15px;
        }
    }
    .section-block {
        padding: 80px 0;
    }
    @media (max-width: 768px) {
        .section-block {
            padding: 56px 0;
        }
    }
    .hero-cat {
        position: relative;
        background: var(--pine-900);
        padding: 56px 0 96px;
    }
    .hero-cat-bg {
        position: absolute;
        inset: 0;
        background-image: linear-gradient(95deg, rgba(6, 31, 28, 0.92), rgba(9, 39, 35, 0.82)), url('/assets/images/backpic/back-1.webp');
        background-position: center;
        background-size: cover;
        background-repeat: no-repeat;
    }
    .hero-cat .hero-inner {
        position: relative;
        z-index: 2;
        max-width: var(--container);
        margin-inline: auto;
        padding-inline: 24px;
        display: grid;
        grid-template-columns: 1.2fr 0.8fr;
        gap: 56px;
        align-items: center;
    }
    @media (max-width: 1023px) {
        .hero-cat .hero-inner {
            grid-template-columns: 1fr;
            gap: 32px;
        }
    }
    @media (max-width: 640px) {
        .hero-cat .hero-inner {
            padding-inline: 18px;
        }
        .hero-cat {
            padding-bottom: 56px;
        }
    }
    .breadcrumb-cat {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 10px;
        font-size: 13px;
        padding: 16px 0 28px;
        color: rgba(255, 255, 255, 0.72);
    }
    .breadcrumb-cat a {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        transition: color 0.2s ease;
    }
    .breadcrumb-cat a:hover {
        color: #fff;
    }
    .breadcrumb-cat em {
        font-style: normal;
        opacity: 0.5;
    }
    .hero-cat h1 {
        font-size: clamp(32px, 5vw, 50px);
        color: #fffaf0;
        font-weight: 700;
        letter-spacing: -0.02em;
        max-width: 12em;
    }
    .hero-cat h1 span {
        color: var(--brass-300);
    }
    .hero-lead {
        color: rgba(255, 255, 255, 0.82);
        font-size: 17px;
        max-width: 36em;
        margin-top: 20px;
    }
    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
        margin-top: 28px;
    }
    .hero-note {
        display: flex;
        gap: 8px;
        color: rgba(255, 255, 255, 0.7);
        font-size: 13px;
        margin-top: 20px;
    }
    .hero-media {
        position: relative;
        border-radius: 16px;
        overflow: hidden;
        min-height: 420px;
        background: var(--pine-800);
        border: 1px solid rgba(255, 255, 255, 0.12);
        box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
    }
    .hero-media::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(185deg, rgba(6, 31, 28, 0.6) 0%, rgba(6, 31, 28, 0.2) 50%, rgba(6, 31, 28, 0.88) 100%);
        z-index: 1;
    }
    .hero-media-card {
        position: absolute;
        left: 20px;
        right: 20px;
        bottom: 20px;
        z-index: 2;
        border-radius: 14px;
        background: rgba(246, 244, 239, 0.94);
        padding: 18px;
        backdrop-filter: blur(6px);
    }
    .hero-media-card h3 {
        color: var(--pine-900);
        font-size: 18px;
    }
    .hero-media-card p {
        color: var(--muted);
        font-size: 14px;
        margin-top: 6px;
    }
    @media (max-width: 640px) {
        .hero-media {
            min-height: 300px;
        }
    }
    .quick-nav {
        margin-top: -48px;
        position: relative;
        z-index: 5;
    }
    .quick-nav-card {
        background: #ffffffd9;
        border: 1px solid var(--line);
        border-radius: 14px;
        box-shadow: var(--shadow-md);
        backdrop-filter: blur(5px);
        padding: 18px 22px;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
    }
    @media (max-width: 820px) {
        .quick-nav-card {
            align-items: stretch;
            flex-direction: column;
        }
    }
    .quick-nav-label {
        color: var(--pine-800);
        font-weight: 700;
        font-size: 14px;
        letter-spacing: 0.04em;
    }
    .quick-nav-links {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }
    .quick-nav-links a {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 36px;
        height: 36px;
        padding: 4px 14px;
        border-radius: 999px;
        background: rgba(31, 86, 81, 0.1);
        color: var(--pine-700);
        border: 1px solid transparent;
        transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
        font-size: 14px;
        font-weight: 500;
    }
    .quick-nav-links a:hover {
        background: rgba(173, 126, 69, 0.16);
        color: #7C5A30;
        border-color: rgba(173, 126, 69, 0.4);
    }
    @media (max-width: 480px) {
        .quick-nav-links a {
            width: 100%;
        }
    }
    .glass-card {
        background: #fff;
        border: 1px solid var(--line);
        border-radius: var(--radius-lg);
        padding: 28px;
        box-shadow: var(--shadow-md);
        height: 100%;
        transition: transform 0.22s ease, box-shadow 0.22s ease;
    }
    .glass-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
    }
    .glass-card .icon-pin {
        width: 48px;
        height: 48px;
        border-radius: 12px;
        background: var(--pine-800);
        color: #f6f4ef;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        font-weight: 800;
        margin-bottom: 20px;
    }
    .glass-card h3 {
        font-size: 20px;
        color: var(--pine-900);
    }
    .glass-card p {
        color: var(--muted);
        margin-top: 10px;
        font-size: 15px;
    }
    .glass-card .card-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        margin-top: 18px;
        color: var(--pine-600);
        font-weight: 600;
        font-size: 14px;
        border-bottom: 1px dotted rgba(31, 86, 81, 0.5);
        padding-bottom: 2px;
        transition: color 0.2s ease, border-color 0.2s ease;
    }
    .glass-card .card-link:hover {
        color: var(--brass-600);
        border-color: var(--brass-500);
    }
    .text-card-list {
        display: flex;
        flex-direction: column;
    }
    .feature-item {
        display: flex;
        gap: 16px;
        padding: 22px 0;
        border-bottom: 1px solid var(--line);
        align-items: flex-start;
    }
    .feature-item:last-child {
        border-bottom: none;
    }
    .feature-index {
        flex-shrink: 0;
        width: 40px;
        height: 40px;
        color: #fffaf0;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 15px;
        font-weight: 700;
    }
    .feature-item h3 {
        color: var(--pine-900);
        font-size: 18px;
        margin-bottom: 4px;
    }
    .feature-item p {
        color: var(--muted);
        font-size: 15px;
        align-self: stretch;
    }
    .section-darkstripe {
        background: var(--pine-900);
        color: rgba(255, 255, 255, 0.78);
    }
    .section-darkstripe .section-heading h2 {
        color: #fffaf0;
    }
    .metric-col {
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(255, 255, 255, 0.14);
        border-radius: var(--radius-lg);
        padding: 24px;
    }
    .metric-num {
        font-size: 42px;
        font-weight: 800;
        line-height: 1.2;
        color: #fffaf0;
        font-variant-numeric: tabular-nums;
    }
    .metric-unit {
        color: var(--brass-300);
        font-size: 18px;
        font-weight: 600;
    }
    .metric-label {
        color: rgba(255, 255, 255, 0.66);
        margin-top: 4px;
        font-size: 14px;
    }
    .media-card {
        position: relative;
        border-radius: var(--radius-lg);
        overflow: hidden;
        background: #dddacf;
        min-height: 188px;
    }
    .media-card img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .media-card-dark {
        background: var(--pine-800);
        color: #f8f5ee;
    }
    .accordion-list .faq-item {
        border-bottom: 1px solid #aaa79e;
        border-radius: 0;
    }
    .faq-item {
        border-bottom: 1px solid var(--line);
        transition: background 0.2s ease;
    }
    .faq-item:first-child {
        border-top: 1px solid var(--line);
    }
    .faq-item summary {
        list-style: none;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        cursor: pointer;
        padding: 18px 4px;
        font-weight: 600;
        color: var(--ink);
        min-height: 68px;
        transition: color 0.2s ease;
    }
    .faq-item summary::-webkit-details-marker {
        display: none;
    }
    .faq-item summary:hover {
        color: var(--pine-700);
    }
    .faq-item summary::after {
        content: "+";
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background: rgba(31, 86, 81, 0.1);
        color: var(--pine-700);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 24px;
        font-weight: 400;
        transition: transform 0.25s ease, background 0.2s ease, color 0.2s ease;
        flex-shrink: 0;
    }
    .faq-item[open] summary::after {
        transform: rotate(45deg);
        background: var(--brass-500);
        color: #fff;
    }
    .faq-answer {
        color: var(--muted);
        padding: 0 44px 18px 4px;
        font-size: 15px;
        line-height: 1.8;
    }
    .footer-guideline {
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid rgba(255, 255, 255, 0.18);
        padding: 12px 18px;
        border-radius: 8px;
        font-size: 14px;
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .cta-strip {
        position: relative;
        background: var(--pine-800);
        overflow: hidden;
    }
    .cta-strip::after {
        content: "";
        position: absolute;
        right: -80px;
        top: -80px;
        width: 220px;
        height: 220px;
        background: rgba(173, 126, 69, 0.18);
        border-radius: 50%;
    }
    .cta-strip .btn {
        position: relative;
        z-index: 2;
    }
    .site-footer {
        background: var(--pine-950);
        color: rgba(255, 255, 255, 0.7);
        padding: 56px 0 0;
        font-size: 14px;
    }
    .site-footer a {
        color: rgba(255, 255, 255, 0.72);
        transition: color 0.2s ease;
    }
    .site-footer a:hover {
        color: var(--brass-300);
    }
    .footer-top {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1fr;
        gap: 32px;
        padding-bottom: 40px;
    }
    @media (max-width: 1000px) {
        .footer-top {
            grid-template-columns: 1fr 1fr;
        }
    }
    @media (max-width: 560px) {
        .footer-top {
            grid-template-columns: 1fr;
        }
    }
    .footer-brand {
        display: flex;
        align-items: center;
        gap: 8px;
        color: #fffaf0;
        font-weight: 700;
        font-size: 17px;
    }
    .footer-brand .brand-mark {
        width: 32px;
        height: 32px;
        font-size: 17px;
        border-radius: 6px;
    }
    .site-footer h4 {
        color: #f6f4ef;
        font-size: 14px;
        margin-bottom: 18px;
        letter-spacing: 0.04em;
        font-weight: 700;
    }
    .site-footer ul {
        list-style: none;
        margin: 0;
        padding: 0;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding: 20px 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 12px;
        color: rgba(255, 255, 255, 0.45);
        font-size: 13px;
        flex-wrap: wrap;
    }
    .media-object {
        display: flex;
        gap: 16px;
        width: 100%;
        text-align: left;
        background: #fff;
        border: 1px solid var(--line);
        border-radius: 12px;
        padding: 12px;
        transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    }
    .media-object:hover {
        transform: translateY(-2px);
        border-color: rgba(173, 126, 69, 0.4);
        box-shadow: var(--shadow-md);
    }
    .media-thumb {
        flex: 0 0 96px;
        width: 96px;
        height: 92px;
        border-radius: 8px;
        object-fit: cover;
    }
    @media (max-width: 480px) {
        .media-thumb {
            flex: 0 0 78px;
            width: 78px;
            height: 88px;
        }
        .media-object {
            flex-wrap: wrap;
        }
    }
    .line-clamp-2 {
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

/* roulang page: category3 */
:root{
  --pine:#0E3430;
  --pine-2:#1F5651;
  --mint:#5D9C93;
  --brass:#AD7E45;
  --brass-2:#B8905B;
  --paper:#F6F4EF;
  --paper-2:#FFFDF8;
  --ink:#1C2A28;
  --muted:#5C6764;
  --line:#D8D5CC;
  --radius-sm:4px;
  --radius-md:8px;
  --radius-lg:12px;
  --shadow-1:0 1px 2px rgba(15,35,32,.05), 0 4px 20px rgba(15,35,32,.05);
  --shadow-2:0 8px 30px rgba(15,35,32,.08);
  --focus:0 0 0 3px rgba(173,126,69,.45);
}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
*,*::before,*::after{box-sizing:border-box;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;}
.container-x{max-width:1260px;margin:0 auto;padding:0 24px;}
@media (max-width:640px){.container-x{padding:0 18px;}}
h1,h2,h3,h4,h5{line-height:1.3;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em;}
h1{font-size:clamp(30px,4.2vw,46px);}
h2{font-size:clamp(24px,3vw,32px);}
h3{font-size:22px;}
p{margin:0 0 1em;}
img{height:auto;}
a:focus-visible,button:focus-visible{outline:2px solid var(--brass);outline-offset:2px;border-radius:4px;}
.section-pad{padding:88px 0;}
@media (max-width:768px){.section-pad{padding:58px 0;}}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 24px;border-radius:8px;font-weight:600;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:all .2s ease;
  line-height:1.5;white-space:nowrap;user-select:none;
}
.btn-pine{background:var(--pine);color:#F7F3EB;}
.btn-pine:hover{background:#173F3A;transform:translateY(-1px);box-shadow:0 8px 20px rgba(14,52,48,.18);}
.btn-brass{background:var(--brass);color:#fff;border-color:#b6813e;}
.btn-brass:hover{background:#C08A4D;transform:translateY(-1px);box-shadow:0 8px 18px rgba(173,126,69,.25);}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:transparent;}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;}
.btn-outline{border-color:var(--line);color:var(--pine);background:var(--paper-2);}
.btn-outline:hover{border-color:var(--pine-2);background:#fff;}
.btn:active{transform:translateY(0) scale(.99);}

/* Eyebrow tags */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.05em;color:var(--brass);text-transform:uppercase;margin-bottom:10px;}
.eyebrow-line{width:30px;height:2px;background:var(--brass);display:inline-block;}
.section-head{margin-bottom:44px;max-width:820px;}
.section-head p{color:var(--muted);font-size:17px;}

/* Header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,244,239,.96);border-bottom:1px solid var(--line);box-shadow:0 2px 10px rgba(14,52,48,.04);}
.nav-inner{max-width:1260px;margin:0 auto;padding:0 24px;display:flex;align-items:stretch;justify-content:space-between;height:64px;}
.nav-left{display:flex;align-items:center;gap:26px;min-width:0;}
.brand-logo{display:flex;align-items:center;gap:11px;transition:opacity .15s;flex-shrink:0;}
.brand-logo:hover{opacity:.86;}
.brand-mark{
  width:40px;height:40px;border-radius:10px;background:var(--pine);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:800;font-family:"Times New Roman",Georgia,serif;
  box-shadow:inset -2px -3px 0 rgba(0,0,0,.15);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{color:var(--pine);font-size:17px;font-weight:800;letter-spacing:.01em;}
.brand-text small{color:var(--muted);font-size:11px;letter-spacing:.12em;}
.brand-text small{font-weight:600;}
.nav-menu{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0;overflow-x:auto;scrollbar-width:none;}
.nav-menu::-webkit-scrollbar{display:none;}
.nav-menu a{
  display:flex;align-items:center;height:64px;padding:0 14px;
  font-size:15px;font-weight:600;color:var(--ink);position:relative;
  transition:color .2s;
}
.nav-menu a:hover{color:var(--pine-2);}
.nav-menu a.active{color:var(--pine-2);}
.nav-menu a.active::after{content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:2px;background:var(--pine-2);border-radius:2px 2px 0 0;}
.nav-right{display:flex;align-items:center;gap:16px;padding-left:10px;flex-shrink:0;}
.nav-cta{min-height:39px;padding:7px 18px;font-size:13px;border-radius:999px;}
.menu-toggle{display:none;width:44px;height:44px;border:0;background:none;cursor:pointer;padding:11px 9px;border-radius:8px;align-items:center;justify-content:center;flex-direction:column;gap:4px;}
.menu-toggle span{display:block;width:100%;height:2px;background:var(--pine);border-radius:2px;transition:transform .2s;}

/* Mobile nav */
@media (max-width:1024px){
  .nav-menu{position:fixed;inset:0 0 0 auto;width:min(84vw,360px);background:var(--paper-2);box-shadow:var(--shadow-2);flex-direction:column;align-items:stretch;justify-content:flex-start;padding:70px 24px 30px;gap:8px;transform:translateX(100%);transition:transform .28s ease;z-index:80;border-left:1px solid var(--line);}
  body.menu-open{overflow:hidden;}
  body.menu-open .nav-menu{transform:translateX(0);}
  .nav-menu::before{content:"";position:absolute;inset:0 0 auto;height:64px;background:var(--paper);border-bottom:1px solid var(--line);}
  .nav-menu a{display:flex;width:100%;height:50px;padding:0 12px;border-radius:8px;font-size:16px;}
  .nav-menu a:hover{background:rgba(29,86,81,.05);}
  .nav-menu a.active::after{display:none;}
  .nav-menu a.active{background:rgba(29,86,81,.08);color:var(--pine-2);}
  .menu-toggle{display:inline-flex;flex-direction:column;}
  body.menu-open .menu-toggle{display:inline-flex;position:relative;z-index:90;}
  .nav-right{gap:8px;}
}

/* category hero */
.category-hero{
  position:relative;min-height:360px;display:flex;align-items:center;
  background:var(--pine);color:#F5F1E8;overflow:hidden;padding:74px 0;
}
.category-hero .hero-back{
  position:absolute;inset:0;width:100%;height:100%;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-position:center 40%;background-size:cover;opacity:.3;
}
.hero-back:after{content:"";position:absolute;inset:auto 0 0 0;height:80%;background:linear-gradient(to top,var(--pine),rgba(14,52,48,0));}
.category-hero .hero-content{position:relative;z-index:2;max-width:760px;}
.crumb{display:flex;flex-wrap:wrap;gap:6px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:15px;align-items:center;}
.crumb a:hover{color:#fff;}
.crumb .sep{margin:0 5px;opacity:.5;}
.category-hero h1{color:#fff;font-size:clamp(30px,4.6vw,45px);margin-top:6px;}
.category-hero .hero-lead{font-size:18px;color:rgba(255,255,255,.86);max-width:680px;margin-top:16px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px;}

/* Anchors strip page local */
.channel-jump{
  border-bottom:1px solid var(--line);background:var(--paper-2);
  overflow-x:auto;position:sticky;top:64px;z-index:45;box-shadow:0 2px 6px rgba(14,52,48,.04);
}
.jump-inner{display:flex;gap:6px;justify-content:center;flex-wrap:nowrap;max-width:1260px;margin:0 auto;padding:12px 24px;}
.jump-chip{display:inline-flex;align-items:center;gap:7px;padding:7px 16px;border-radius:999px;font-size:14px;font-weight:600;background:transparent;color:var(--pine-2);white-space:nowrap;border:1px solid var(--line);transition:.2s;}
.jump-chip:hover{border-color:var(--brass);background:#fff;}
@media(max-width:640px){.channel-jump{top:56px;} .jump-inner{padding:10px 18px;justify-content:flex-start;}}

/* cards */
.topic-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:22px;}
.topic-card{
  border:1px solid var(--line);border-radius:var(--radius-md);background:var(--paper-2);
  position:relative;overflow:hidden;padding:26px;transition:all .25s ease;
  box-shadow:0 2px 10px rgba(15,35,32,.03);display:block;
}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-1);border-color:#c3bfb4;}
.topic-card .tc-tag{font-size:12px;font-weight:700;color:var(--brass);letter-spacing:.06em;}
.topic-card .tc-title{font-size:19px;font-weight:700;color:var(--pine);margin:6px 0 10px;}
.topic-card .tc-text{color:var(--muted);font-size:15px;margin-bottom:6px;}
.topic-card .tc-link{color:var(--pine-2);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:5px;}
.topic-card .tc-link:hover{color:var(--brass);}
.tc-icon{width:44px;height:44px;border-radius:10px;background:rgba(93,156,147,.14);display:flex;align-items:center;justify-content:center;color:var(--pine-2);font-size:20px;margin-bottom:14px;}

/* wide image and feature tiles */
.info-banner{
 border-radius:14px;overflow:hidden;background:var(--pine);color:#F3EFE6;
 position:relative;display:grid;grid-template-columns:.8fr 1fr;min-height:320px;
}
.info-banner .info-img{position:relative;height:100%;min-height:300px;}
.info-banner .info-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.info-banner .info-body{padding:40px;}
.info-banner h2{color:#fff;}
.info-banner p{color:rgba(255,255,255,.85);}
.edge-list{list-style:none;margin:18px 0 0;padding:0;}
.edge-list li{display:flex;gap:12px;padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.18);flex-wrap:wrap;}
.edge-list li:last-child{border-bottom:0;}
.edge-list .num{font-family:Georgia,"Times New Roman",serif;color:#D6B185;font-weight:700;font-size:18px;}
@media(max-width:900px){.info-banner{grid-template-columns:1fr;} .info-banner .info-img{max-height:240px;}}

/* stat band */
.stat-strip{background:#122F2C;border-top:4px solid #B9905E;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding:50px 0;}
.stat-item{color:#F3EFE6;border-left:1px solid rgba(255,255,255,.15);padding-left:22px;}
.stat-item .count{font-size:46px;line-height:1;font-weight:700;font-family:"Times New Roman",Georgia,serif;color:#D6B185;}
.stat-item .unit{font-size:18px;color:rgba(255,255,255,.78);margin-left:5px;}
.stat-item .label{color:rgba(255,255,255,.72);font-size:13px;margin-top:10px;letter-spacing:.04em;}
@media(max-width:860px){.stats-grid{grid-template-columns:repeat(2,1fr);gap:16px;padding:34px 0;}.stat-item{padding-left:14px;} .stat-item .count{font-size:34px;}}

/* Q&A / detail */
.faq-list{display:grid;grid-template-columns:1fr 1.9fr;gap:38px;}
@media(max-width:960px){.faq-list{grid-template-columns:1fr;}}
.faq-nav-list{list-style:none;padding:0;margin:0;position:sticky;top:180px;}
@media(max-width:960px){.faq-nav-list{position:static;}}
.faq-nav-list li{margin-bottom:10px;border-left:3px solid var(--line);}
.faq-nav-list a{display:block;padding:8px 14px;color:var(--muted);font-size:15px;font-weight:600;border-radius:0 8px 8px 0;background:transparent;transition:.2s;}
.faq-nav-list a:hover{background:rgba(93,156,147,.09);color:var(--pine-2);}
.faq-nav-list li.is-current{border-color:var(--brass);}
.faq-nav-list li.is-current a{color:var(--pine-2);background:rgba(93,156,147,.07);}

/* QA item */
.qa-item{
 border-bottom:1px solid var(--line);background:transparent;transition:background .2s;
}
.qa-item:first-child{border-top:1px solid var(--line);}
.qa-item summary{
 list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
 gap:16px;padding:22px 14px 22px 4px;position:relative;border-radius:6px;
 font-weight:700;color:var(--ink);font-size:17px;min-height:48px;
}
.qa-item summary::-webkit-details-marker{display:none;}
.qa-item summary:hover{color:var(--pine-2);background:rgba(29,86,81,.02);}
.qa-item summary .marker{
 flex:none;width:24px;height:24px;border-radius:50%;border:1px solid var(--brass);
 position:relative;transition:.2s;flex-shrink:0;
}
.qa-item summary .marker::before,.qa-item summary .marker::after{content:"";position:absolute;width:2px;height:10px;background:var(--brass);left:10px;top:6px;border-radius:2px;}
.qa-item summary .marker::after{transform:rotate(90deg);}
.qa-item[open] summary .marker{background:var(--brass);}
.qa-item[open] summary .marker::before{transform:rotate(90deg);top:6px;background:#fff;}
.qa-item[open] summary .marker::after{opacity:0;}
.qa-body{padding:2px 32px 26px 4px;color:var(--muted);font-size:15.5px;}
.qa-body a{color:var(--pine-2);text-decoration:underline;text-underline-offset:3px;}
.qa-body a:hover{color:var(--brass);}

/* note panel */
.note-panel{background:var(--paper-2);border:1px solid var(--line);border-left:4px solid var(--pine-2);border-radius:8px;padding:28px;}
.note-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;}
.note-list li{display:flex;gap:10px;color:var(--ink);font-size:15px;align-items:flex-start;}
.note-list .ok{flex:s0 0 20px;width:20px;height:20px;border-radius:50%;background:rgba(93,156,147,.18);color:var(--pine-2);display:flex;align-items:center;justify-content:center;font-size:12px;margin-top:3px;}
.note-list strong{display:block;color:var(--pine);margin-bottom:2px;}

/* CTA band */
.cta-band{background:#133C38;border-radius:16px;display:flex;align-items:center;justify-content:space-between;gap:30px;padding:46px 48px;flex-wrap:wrap;position:relative;overflow:hidden;}
.cta-band:before{content:"";position:absolute;width:300px;height:300px;right:-70px;top:-90px;border:1px solid rgba(255,255,255,.1);border-radius:50%;}
.cta-band h2{color:#fff;margin-bottom:5px;}
.cta-band p{color:rgba(255,255,255,.8);margin-bottom:0;}
@media(max-width:768px){.section-pad{padding:56px 0;} .cta-band{padding:32px 24px;} }

/* footer */
.site-footer{background:var(--pine);color:rgba(255,255,255,.75);margin-top:80px;padding:0;}
.footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:34px;padding:56px 0 36px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:20px;font-weight:800;margin-bottom:18px;}
.footer-brand .brand-mark{background:var(--brass);}
.footer-col h4{color:#fff;font-size:15px;letter-spacing:.08em;margin-bottom:16px;font-weight:700;}
.footer-col p{font-size:14px;line-height:1.8;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;font-size:14px;}
.footer-col ul a{color:rgba(255,255,255,.72);transition:.15s;}
.footer-col ul a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:22px 0;display:flex;gap:10px;justify-content:space-between;align-items:center;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);}
@media(max-width:960px){.footer-top{grid-template-columns:1fr 1fr;padding:36px 0 20px;} .footer-brand-col{grid-column:1/-1;}}
@media(max-width:540px){.footer-top{grid-template-columns:1fr;}.footer-brand-col{padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.1)}}

/* simple utilities */
.text-soft{color:var(--muted);}
.mt-xs{margin-top:10px;} .mt-sm{margin-top:18px;} .mt-md{margin-top:34px;}

@media(max-width:640px){
  .section-pad{padding:52px 0;}
  .topic-grid{grid-template-columns:1fr;}
}

/* roulang page: category2 */
:root{
    --pine-950:#0E3430;
    --pine-900:#123B36;
    --pine-800:#1F5651;
    --pine-300:#5D9C93;
    --brass:#AD7E45;
    --brass-light:#C4A26B;
    --paper:#F6F4EF;
    --paper-dark:#E8E4DB;
    --ink:#1C2A28;
    --ink-soft:#5C6764;
    --line:#D8D5CC;
    --radius-lg:12px;
    --radius-card:8px;
    --radius-tag:4px;
    --shadow-card:0 1px 3px rgba(14,52,48,.06),0 8px 24px rgba(14,52,48,.05);
    --shadow-hover:0 8px 24px rgba(14,52,48,.12);
  }

  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    background:var(--paper);
    color:var(--ink);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto;}
  a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;}
  ul,ol{list-style:none;}
  button{font-family:inherit;cursor:pointer;border:none;background:none;}
  :focus-visible{outline:2px solid var(--brass);outline-offset:3px;border-radius:4px;}

  .container-x{
    width:100%;
    max-width:1200px;
    margin-left:auto;
    margin-right:auto;
    padding-left:24px;
    padding-right:24px;
  }

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:44px;
    padding:0 24px;
    border-radius:999px;
    font-weight:600;
    font-size:15px;
    letter-spacing:.01em;
    border:1px solid transparent;
    transition:all .25s ease;
    white-space:nowrap;
  }
  .btn-brass{
    background:var(--brass);
    color:#fff;
    border-color:var(--brass);
  }
  .btn-brass:hover{
    background:var(--brass-light);
    border-color:var(--brass-light);
    box-shadow:0 6px 18px rgba(173,126,69,.3);
    transform:translateY(-2px);
  }
  .btn-primary-dark{
    background:var(--pine-900);
    color:#f7f3ea;
    border-color:var(--pine-900);
  }
  .btn-primary-dark:hover{
    background:var(--pine-800);
    border-color:var(--pine-800);
    box-shadow:0 6px 18px rgba(31,86,81,.22);
    transform:translateY(-2px);
  }
  .btn-outline-light{
    background:transparent;
    color:#fff;
    border-color:rgba(255,255,255,.55);
  }
  .btn-outline-light:hover{
    border-color:#fff;
    background:rgba(255,255,255,.08);
    transform:translateY(-2px);
  }

  /* ============ Header ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:1000;
    background:var(--paper);
    border-bottom:1px solid var(--line);
    box-shadow:0 1px 0 rgba(14,52,48,.03);
  }
  .nav-inner{
    max-width:1200px;
    margin:0 auto;
    height:64px;
    padding:0 24px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
  }
  .nav-left{display:flex;align-items:center;gap:28px;min-width:0;}
  .brand-logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand-mark{
    width:36px;height:36px;
    background:var(--pine-900);
    color:#fff;
    border-radius:8px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:18px;
    font-weight:800;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.2;}
  .brand-text strong{font-size:16px;color:var(--pine-900);font-weight:700;letter-spacing:.01em;}
  .brand-text small{font-size:11px;color:var(--ink-soft);}
  .nav-menu{display:flex;align-items:center;gap:4px;}
  .nav-menu a{
    display:block;
    padding:8px 12px;
    border-radius:6px;
    font-size:15px;
    font-weight:500;
    color:var(--ink);
    position:relative;
  }
  .nav-menu a:hover{color:var(--pine-800);background:rgba(31,86,81,.06);}
  .nav-menu a.active{color:var(--pine-800);}
  .nav-menu a.active::after{
    content:"";
    position:absolute;
    left:12px;right:12px;bottom:2px;
    height:2px;
    background:var(--brass);
    border-radius:2px;
  }
  .nav-right{display:flex;align-items:center;gap:12px;}
  .nav-cta{min-height:38px;padding:0 18px;font-size:14px;}
  .menu-toggle{
    display:none;
    width:44px;height:44px;
    border-radius:8px;
    border:1px solid var(--line);
    background:#fff;
    align-items:center;
    justify-content:center;
    flex-direction:column;
    gap:4px;
  }
  .menu-toggle span{
    width:18px;height:2px;
    background:var(--pine-900);
    border-radius:2px;
    transition:transform .25s ease,opacity .2s ease;
    display:block;
  }

  /* ============ Page Hero ============ */
  .page-hero{
    position:relative;
    color:#fff;
    padding:56px 0 36px;
    margin-bottom:48px;
    background-image:
      linear-gradient(100deg,rgba(14,52,48,.96) 0%,rgba(18,59,54,.88) 40%,rgba(14,52,48,.62) 100%),
      url('/assets/images/backpic/back-1.webp');
    background-size:cover;
    background-position:center;
  }
  .page-hero-inner{max-width:960px;}
  .page-breadcrumb{
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:8px;
    font-size:14px;
    color:rgba(255,255,255,.72);
    margin-bottom:22px;
  }
  .page-breadcrumb a:hover{color:#fff;}
  .page-breadcrumb span{color:rgba(255,255,255,.42);}
  .page-kicker{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:rgba(173,126,69,.18);
    border:1px solid rgba(173,126,69,.35);
    color:#F3E4CE;
    padding:4px 12px;
    border-radius:999px;
    font-size:13px;
    letter-spacing:.05em;
    margin-bottom:16px;
  }
  .page-hero h1{
    font-size:34px;
    line-height:1.3;
    font-weight:800;
    color:#fff;
    letter-spacing:-.01em;
    margin-bottom:14px;
  }
  .page-hero-desc{
    font-size:16px;
    line-height:1.9;
    color:rgba(255,255,255,.85);
    max-width:760px;
  }

  /* ============ Anchor Panel ============ */
  .anchor-panel{
    margin-top:-30px;
    position:relative;
    z-index:5;
    margin-bottom:56px;
  }
  .anchor-inner{
    background:#fff;
    border:1px solid var(--line);
    border-radius:12px;
    box-shadow:var(--shadow-card);
    padding:20px 24px;
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:16px;
  }
  .anchor-label{
    font-size:14px;
    color:var(--ink-soft);
    font-weight:600;
    display:inline-flex;
    align-items:center;
    gap:6px;
  }
  .anchor-label::before{content:"";width:6px;height:6px;background:var(--brass);border-radius:50%;}
  .anchor-links{display:flex;flex-wrap:wrap;gap:8px;}
  .anchor-links a{
    display:inline-flex;
    align-items:center;
    min-height:36px;
    padding:0 14px;
    border-radius:999px;
    background:var(--paper);
    border:1px solid var(--line);
    font-size:14px;
    color:var(--ink);
    font-weight:500;
  }
  .anchor-links a:hover{
    background:var(--pine-800);
    border-color:var(--pine-800);
    color:#fff;
    transform:translateY(-2px);
  }

  /* ============ Sections ============ */
  .section-pad{padding:56px 0;}
  .section-head{margin-bottom:36px;}
  .eyebrow{
    display:inline-block;
    color:var(--brass);
    font-size:14px;
    font-weight:700;
    letter-spacing:.08em;
    text-transform:uppercase;
    margin-bottom:8px;
  }
  .section-title{
    font-size:30px;
    font-weight:800;
    line-height:1.36;
    color:var(--pine-950);
    letter-spacing:-.01em;
  }
  .section-sub{
    max-width:720px;
    margin-top:12px;
    color:var(--ink-soft);
    font-size:16px;
  }
  .section-title-light{color:#fff;}
  .divider-line{width:44px;height:3px;background:var(--brass);border-radius:3px;margin:16px 0 20px;}

  /* feature layout */
  .feature-layout{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:0 44px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:16px;
    box-shadow:var(--shadow-card);
    overflow:hidden;
    align-items:stretch;
  }
  .feature-media{overflow:hidden;}
  .feature-media img{width:100%;height:100%;object-fit:cover;min-height:360px;}
  .feature-copy{padding:40px 44px;align-self:center;}
  .feature-copy h2{font-size:26px;line-height:1.4;color:var(--pine-950);margin-bottom:14px;}
  .feature-copy p{color:var(--ink-soft);margin-bottom:16px;}
  .feature-point-list{display:grid;grid-template-columns:1fr 1fr;gap:14px 20px;margin-top:24px;}
  .feature-point{
    background:var(--paper);
    border:1px solid var(--line);
    border-radius:10px;
    padding:14px 16px;
    font-size:14px;
    color:var(--ink);
    display:flex;
    gap:10px;
    align-items:flex-start;
  }
  .feature-point b{color:var(--pine-800);font-weight:700;}
  .feature-point span{color:var(--ink-soft);}
  .feature-point svg{flex-shrink:0;color:var(--brass);}

  .bg-line{background:var(--piece);}

  /* text list */
  .text-list-tight{display:flex;flex-direction:column;gap:18px;}
  .text-item{
    background:#fff;
    border:1px solid var(--line);
    border-radius:12px;
    padding:24px 28px;
    display:flex;
    gap:20px;
    align-items:flex-start;
    transition:box-shadow .25s ease,transform .25s ease;
  }
  .text-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
  .text-icon{
    width:42px;height:42px;
    flex-shrink:0;
    background:rgba(31,86,81,.1);
    color:var(--pine-800);
    border-radius:10px;
    display:flex;
    align-items:center;
    justify-content:center;
  }
  .text-content h3{font-size:18px;color:var(--pine-950);margin-bottom:4px;}
  .text-content p{color:var(--ink-soft);font-size:15px;margin:0;}
  .badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
  .badge{
    display:inline-flex;
    align-items:center;
    min-height:22px;
    padding:0 8px;
    border-radius:4px;
    background:var(--paper);
    border:1px solid var(--line);
    font-size:12px;
    color:var(--ink-soft);
  }
  .badge-brass{
    background:rgba(173,126,69,.1);
    border-color:rgba(173,126,69,.3);
    color:var(--brass);
  }
  .badge-pine{
    background:rgba(31,86,81,.1);
    border-color:rgba(31,86,81,.25);
    color:var(--pine-800);
  }

  /* metric grid */
  .metric-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:16px;
  }
  .metric-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:12px;
    padding:24px 22px;
    text-align:center;
    transition:box-shadow .25s ease,transform .25s ease;
  }
  .metric-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
  .metric-num{
    font-size:30px;
    line-height:1.2;
    font-weight:800;
    color:var(--pine-900);
    letter-spacing:-.02em;
    font-variant-numeric:tabular-nums;
  }
  .metric-label{font-size:14px;color:var(--ink-soft);margin-top:10px;}
  .metric-label strong{color:var(--pine-800);font-weight:600;}

  /* step / flow */
  .split-flow{
    display:grid;
    grid-template-columns:1.05fr .95fr;
    gap:32px;
    align-items:center;
  }
  .flow-media{
    border-radius:16px;
    overflow:hidden;
    background:var(--pine-950);
    box-shadow:var(--shadow-card);
  }
  .flow-media img{width:100%;height:100%;object-fit:cover;min-height:300px;}
  .step-cards{display:flex;flex-direction:column;gap:16px;}
  .step-card{
    display:flex;
    gap:18px;
    align-items:flex-start;
    background:#fff;
    border:1px solid var(--line);
    border-radius:12px;
    padding:20px 22px;
    transition:box-shadow .25s ease,border-color .25s ease;
  }
  .step-card:hover{border-color:rgba(31,86,81,.3);box-shadow:var(--shadow-hover);}
  .step-num{
    width:32px;height:32px;
    flex-shrink:0;
    background:var(--pine-900);
    color:#fff;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:14px;
    font-weight:700;
  }
  .step-copy b{display:block;font-size:17px;color:var(--pine-950);margin-bottom:2px;}
  .step-copy span{font-size:14px;color:var(--ink-soft);display:block;}

  /* CTA panel */
  .cta-section{padding:56px 0 72px;}
  .cta-box{
    background:var(--pine-950);
    border-radius:18px;
    padding:52px 60px;
    position:relative;
    overflow:hidden;
    color:#fff;
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:32px;
  }
  .cta-box::before{
    content:"";
    position:absolute;
    top:-80px;right:-40px;
    width:260px;height:260px;
    background:radial-gradient(circle,rgba(173,126,69,.25),transparent 70%);
  }
  .cta-copy{position:relative;z-index:1;max-width:640px;}
  .cta-copy h2{font-size:27px;line-height:1.4;color:#fff;margin-bottom:10px;}
  .cta-copy p{color:rgba(255,255,255,.78);margin-bottom:0;}
  .cta-actions{display:flex;flex-direction:column;gap:12px;position:relative;z-index:1;}

  /* ============ Footer ============ */
  .site-footer{background:var(--pine-950);color:rgba(255,255,255,.7);}
  .footer-top{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr 1fr;
    gap:40px;
    padding:52px 0 36px;
  }
  .footer-brand-col .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
  .footer-brand .brand-mark{width:36px;height:36px;font-size:18px;border-radius:8px;}
  .footer-brand > span:last-child{font-size:18px;font-weight:700;color:#fff;}
  .footer-brand-col p{font-size:14px;line-height:1.9;max-width:340px;}
  .footer-top h4{
    font-size:15px;
    color:#fff;
    margin-bottom:14px;
    font-weight:600;
  }
  .footer-top ul li{margin-bottom:9px;}
  .footer-top ul a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease,padding-left .2s ease;}
  .footer-top ul a:hover{color:var(--brass-light);padding-left:2px;}
  .footer-bottom{
    padding:18px 0 26px;
    border-top:1px solid rgba(255,255,255,.12);
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    justify-content:space-between;
    font-size:13px;
    color:rgba(255,255,255,.5);
  }
  .footer-bottom a{color:rgba(255,255,255,.6);}

  /* FAQ */
  .faq-wrap{display:grid;grid-template-columns:.9fr 2.1fr;gap:48px;}
  .faq-copy .section-title{margin-bottom:16px;}
  .faq-list{display:flex;flex-direction:column;}
  details.faq-item{
    background:#fff;
    border:1px solid var(--line);
    border-bottom:none;
    padding:0 24px;
    transition:background .2s ease;
  }
  details.faq-item:first-child{border-radius:14px 14px 4px 4px;}
  details.faq-item:last-child{border-radius:4px 4px 14px 14px;border-bottom:1px solid var(--line);}
  details.faq-item[open]{background:#fffdf8;}
  details.faq-item summary{
    cursor:pointer;
    list-style:none;
    padding:20px 0;
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:20px;
    font-weight:600;
    font-size:16px;
    color:var(--pine-950);
  }
  details.faq-item summary::-webkit-details-marker{display:none;}
  .faq-icon{
    width:26px;height:26px;
    flex-shrink:0;
    border:1.5px solid var(--brass);
    border-radius:50%;
    position:relative;
  }
  .faq-icon::before{content:"";position:absolute;left:50%;top:50%;width:10px;height:1.6px;background:var(--brass);transform:translate(-50%,-50%);}
  .faq-icon::after{content:"";position:absolute;left:50%;top:50%;width:1.6px;height:10px;background:var(--brass);transform:translate(-50%,-50%);transition:transform .25s ease;}
  details[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
  .faq-answer{padding:0 0 22px;color:var(--ink-soft);font-size:15px;}

  /* responsive */
  @media (max-width:1024px){
    .nav-menu{
      position:fixed;
      top:0;left:0;bottom:0;
      width:min(320px,86vw);
      background:var(--paper);
      z-index:1200;
      flex-direction:column;
      align-items:flex-start;
      gap:8px;
      padding:80px 24px 24px;
      box-shadow:0 0 60px rgba(14,52,48,.4);
      border-right:1px solid var(--line);
      border-radius:0;
      transform:translateX(-106%);
      transition:transform .3s ease;
      overflow-y:auto;
    }
    body.menu-open .nav-menu{transform:none;}
    body.menu-open::after{
      content:"";
      position:fixed;
      inset:0;
      z-index:1100;
      background:rgba(14,52,48,.52);
      backdrop-filter:blur(1px);
    }
    .nav-menu a{
      width:100%;
      font-size:16px;
      padding:12px 14px;
      border-bottom:1px solid var(--line);
      border-radius:0;
    }
    .nav-menu a.active::after{display:none;background:none;}
    .nav-menu a.active{background:rgba(31,86,81,.08);}
    .menu-toggle{display:inline-flex;}
    body.menu-open .menu-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg);}
    body.menu-open .menu-toggle span:nth-child(2){opacity:0;}
    body.menu-open .menu-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
    .nav-cta{display:none;}
    .section-title{font-size:27px;}
    .page-hero h1{font-size:30px;}
  }

  @media (max-width:768px){
    .feature-layout{grid-template-columns:1fr;}
    .feature-media img{min-height:220px;max-height:300px;}
    .feature-copy{padding:28px;}
    .feature-point-list{grid-template-columns:1fr;}
    .split-flow{grid-template-columns:1fr;}
    .flow-media img{min-height:220px;max-height:280px;}
    .metric-grid{grid-template-columns:repeat(2,1fr);}
    .faq-wrap{grid-template-columns:1fr;gap:20px;}
    .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
    .cta-box{padding:36px 28px;}
    .cta-actions{width:100%;flex-direction:row;flex-wrap:wrap;}
    .text-item{padding:20px;}
    .metric-card{padding:18px;}
    .metric-num{font-size:24px;}
  }

  @media (max-width:520px){
    .container-x{padding-left:16px;padding-right:16px;}
    .nav-inner{padding:0 16px;}
    .brand-text small{display:none;}
    .brand-text strong{font-size:15px;}
    .page-hero{padding:44px 0 28px;}
    .page-hero h1{font-size:27px;}
    .page-hero-desc{font-size:15px;}
    .page-breadcrumb{font-size:13px;}
    .anchor-inner{padding:16px;}
    .section-pad{padding:44px 0;}
    .section-title{font-size:24px;}
    .section-sub{font-size:15px;}
    .feature-copy h2{font-size:21px;}
    .text-item{flex-direction:column;gap:12px;}
    .metric-grid{grid-template-columns:1fr;}
    .step-card{padding:18px;}
    .faq-area summary{font-size:15px;}
    .footer-top{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;text-align:center;}
    .cta-box h2{font-size:22px;}
  }

/* roulang page: category4 */
:root {
            --pine-950: #0E3430;
            --pine-800: #17443F;
            --pine-700: #1F5651;
            --pine-500: #2E6B64;
            --pine-100: #E3EEE9;
            --brass-600: #8A6335;
            --brass-500: #AD7E45;
            --brass-300: #C9A168;
            --paper: #F6F4EF;
            --cream: #FDFBF5;
            --ink: #1C2A28;
            --muted: #5C6764;
            --border: #D8D5CC;
            --shadow-sm: 0 2px 10px rgba(14, 52, 48, 0.05);
            --shadow-md: 0 16px 40px rgba(14, 52, 48, 0.08);
            --radius: 12px;
            --radius-lg: 18px;
            --transition: 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--paper);
            color: var(--ink);
            font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        body.menu-open {
            overflow: hidden;
        }

        body.menu-open::before {
            content: "";
            position: fixed;
            inset: 0;
            background: rgba(14, 52, 48, 0.55);
            z-index: 55;
            backdrop-filter: blur(2px);
        }

        ul,
        ol {
            list-style: none;
            margin: 0;
            padding: 0;
        }

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

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

        button,
        input,
        textarea,
        select {
            font: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            background: none;
            border: none;
        }

        :focus-visible {
            outline: 2px solid var(--brass-500);
            outline-offset: 3px;
            border-radius: 6px;
        }

        .container-x {
            width: min(100% - 2rem, 1280px);
            margin-inline: auto;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.45rem;
            min-height: 44px;
            padding: 0.6rem 1.35rem;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 600;
            line-height: 1.2;
            border: 1px solid transparent;
            transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
        }

        .btn:hover {
            transform: translateY(-2px);
        }

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

        .btn-brass {
            background: var(--brass-500);
            color: #fff;
            box-shadow: 0 6px 16px rgba(173, 126, 69, 0.28);
        }

        .btn-brass:hover {
            background: #B98B4D;
            box-shadow: 0 10px 24px rgba(173, 126, 69, 0.32);
        }

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

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

        .site-header {
            position: sticky;
            top: 0;
            z-index: 60;
            background: var(--paper);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition), background var(--transition);
        }

        .site-header.scrolled {
            background: #FBFAF6;
            box-shadow: 0 4px 20px rgba(14, 52, 48, 0.08);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: min(100% - 2rem, 1320px);
            margin-inline: auto;
            height: 64px;
            gap: 1rem;
        }

        .nav-left {
            display: flex;
            align-items: center;
            gap: 2.4rem;
            min-width: 0;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            flex-shrink: 0;
        }

        .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--pine-800);
            color: #fff;
            font-size: 1.05rem;
            font-weight: 800;
            border-radius: 9px;
            line-height: 1;
            position: relative;
            overflow: hidden;
        }

        .brand-mark::after {
            content: "";
            position: absolute;
            right: -6px;
            bottom: -6px;
            width: 18px;
            height: 18px;
            background: var(--brass-500);
            border-radius: 50%;
            opacity: 0.8;
        }

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

        .brand-text strong {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--pine-950);
            white-space: nowrap;
        }

        .brand-text small {
            font-size: 0.72rem;
            color: var(--muted);
            letter-spacing: 0.06em;
            white-space: nowrap;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 1.65rem;
        }

        .nav-menu a {
            position: relative;
            display: inline-block;
            padding: 0.4rem 0.1rem;
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--ink);
            transition: color var(--transition);
        }

        .nav-menu a:hover {
            color: var(--pine-500);
        }

        .nav-menu a.active {
            color: var(--pine-700);
            font-weight: 600;
        }

        .nav-menu a.active::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: -4px;
            height: 2px;
            border-radius: 2px;
            background: var(--brass-500);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

        .nav-cta {
            min-height: 40px;
            padding: 0.42rem 1.1rem;
            font-size: 0.88rem;
            white-space: nowrap;
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            border-radius: 8px;
            background: transparent;
            border: 1px solid transparent;
            transition: background var(--transition);
        }

        .menu-toggle:hover {
            background: var(--pine-100);
        }

        .menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--pine-950);
            margin-left: 11px;
        }

        .mobile-nav-close {
            display: none;
        }

        .close-menu-btn {
            display: inline-flex;
            align-items: center;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--pine-800);
            border: 1px solid var(--border);
            padding: 0.4rem 0.85rem;
            border-radius: 999px;
            background: var(--cream);
            transition: background var(--transition);
        }

        .close-menu-btn:hover {
            background: var(--pine-100);
        }

        .cat-hero {
            position: relative;
            display: flex;
            align-items: center;
            min-height: 430px;
            overflow: hidden;
            background: var(--pine-950);
            color: #fff;
        }

        .cat-hero-bg {
            position: absolute;
            inset: 0;
            overflow: hidden;
        }

        .cat-hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.5;
        }

        .cat-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(14, 52, 48, 0.94) 22%, rgba(14, 52, 48, 0.75) 58%, rgba(14, 52, 48, 0.4) 100%);
        }

        .cat-hero-content {
            position: relative;
            z-index: 3;
            padding: 4rem 0 4.2rem;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.45rem;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.72);
            margin-bottom: 2rem;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.9);
            transition: opacity var(--transition);
        }

        .breadcrumb a:hover {
            opacity: 0.75;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.85rem;
            letter-spacing: 0.1em;
            color: var(--brass-300);
            background: rgba(255, 255, 255, 0.09);
            border: 1px solid rgba(255, 255, 255, 0.14);
            padding: 0.35rem 0.9rem;
            border-radius: 999px;
            margin-bottom: 1.3rem;
            font-weight: 500;
        }

        .cat-hero h1 {
            font-size: clamp(2rem, 4vw, 3.25rem);
            line-height: 1.3;
            margin: 0 0 1rem;
            max-width: 820px;
            font-weight: 700;
            letter-spacing: -0.01em;
        }

        .cat-hero-content .hero-lead {
            font-size: 1.08rem;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.86);
            max-width: 740px;
            margin-bottom: 2rem;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 0.85rem;
            align-items: center;
        }

        .anchor-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.65rem;
            margin-top: -1.6rem;
            margin-bottom: 1.2rem;
            position: relative;
            z-index: 5;
        }

        .anchor-nav .anchor-label {
            font-size: 0.85rem;
            color: var(--muted);
            font-weight: 600;
            margin-right: 0.25rem;
        }

        .anchor-nav a {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            background: var(--cream);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 0.32rem 0.95rem;
            font-size: 0.86rem;
            font-weight: 500;
            color: var(--pine-800);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .anchor-nav a:hover {
            border-color: var(--pine-500);
            background: var(--pine-100);
            transform: translateY(-1px);
        }

        .section-pad {
            padding: 5rem 0;
        }

        .section-pad-sm {
            padding: 3.5rem 0;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 2.6rem;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            color: var(--brass-600);
            text-transform: uppercase;
            margin-bottom: 0.5rem;
        }

        .section-title {
            font-size: clamp(1.6rem, 2.8vw, 2.2rem);
            line-height: 1.35;
            color: var(--pine-950);
            margin: 0;
            font-weight: 700;
        }

        .section-desc {
            color: var(--muted);
            max-width: 680px;
            line-height: 1.75;
        }

        .panel {
            background: var(--cream);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
        }

        .feature-wide {
            display: grid;
            grid-template-columns: 1.18fr 0.82fr;
            overflow: hidden;
            background: var(--cream);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            margin-bottom: 1.4rem;
        }

        .feature-copy {
            padding: 2.5rem 2.4rem;
        }

        .feature-media {
            position: relative;
            min-height: 280px;
        }

        .feature-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .feature-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(14, 52, 48, 0.16), transparent 55%);
            pointer-events: none;
        }

        .media-tag {
            position: absolute;
            left: 1rem;
            bottom: 1rem;
            z-index: 2;
            background: rgba(14, 52, 48, 0.88);
            color: #fff;
            font-size: 0.78rem;
            padding: 0.25rem 0.8rem;
            border-radius: 999px;
            letter-spacing: 0.04em;
            backdrop-filter: blur(4px);
        }

        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--pine-100);
            border: 1px solid rgba(31, 86, 81, 0.18);
            color: var(--pine-700);
            font-size: 0.84rem;
            font-weight: 600;
            border-radius: 999px;
            padding: 0.25rem 0.9rem;
            margin-bottom: 1.1rem;
        }

        .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 999px;
            background: #2F7D5F;
            box-shadow: 0 0 0 0 rgba(47, 125, 95, 0.5);
            animation: pulse 2.2s infinite;
        }

        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(47, 125, 95, 0.45);
            }
            70% {
                box-shadow: 0 0 0 8px rgba(47, 125, 95, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(47, 125, 95, 0);
            }
        }

        .feature-copy h3 {
            font-size: 1.55rem;
            line-height: 1.4;
            color: var(--pine-950);
            margin: 0 0 0.8rem;
        }

        .feature-copy p {
            color: var(--muted);
            margin-bottom: 1rem;
            line-height: 1.85;
        }

        .mini-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.55rem;
            margin-top: 0.6rem;
        }

        .mini-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.8rem;
            padding: 0.22rem 0.75rem;
            border-radius: 4px;
            background: rgba(93, 156, 147, 0.14);
            color: var(--pine-700);
            font-weight: 500;
        }

        .mini-tag::before {
            content: "";
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--brass-500);
        }

        .info-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.4rem;
        }

        .info-card {
            background: var(--cream);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
        }

        .info-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(31, 86, 81, 0.3);
        }

        .info-card-media {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

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

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

        .info-card-body {
            padding: 1.6rem 1.6rem 1.7rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-date {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.82rem;
            color: var(--muted);
            margin-bottom: 0.55rem;
        }

        .card-date::before {
            content: "●";
            color: var(--brass-500);
            font-size: 0.6rem;
        }

        .info-card-body h3 {
            font-size: 1.13rem;
            line-height: 1.5;
            color: var(--pine-950);
            margin: 0 0 0.55rem;
        }

        .info-card-body p {
            color: var(--muted);
            font-size: 0.95rem;
            line-height: 1.75;
            margin: 0 0 1rem;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--pine-700);
            transition: color var(--transition), gap var(--transition);
        }

        .text-link:hover {
            color: var(--brass-600);
            gap: 0.55rem;
        }

        .updates-section {
            background: #F2EFE7;
        }

        .update-list {
            border-top: 1px solid var(--border);
        }

        .update-row {
            display: grid;
            grid-template-columns: 160px 120px 1fr auto;
            gap: 1.4rem;
            align-items: center;
            background: var(--cream);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 1.2rem 1.5rem;
            margin-top: 1rem;
            transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
        }

        .update-row:hover {
            border-color: rgba(31, 86, 81, 0.35);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .update-date {
            font-size: 0.9rem;
            color: var(--muted);
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        .update-tag {
            display: inline-flex;
            align-items: center;
            justify-content: flex-start;
            width: fit-content;
            background: var(--pine-100);
            color: var(--pine-700);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.16rem 0.6rem;
            border-radius: 4px;
            border: 1px solid rgba(31, 86, 81, 0.1);
        }

        .update-row h3 {
            font-size: 1rem;
            line-height: 1.5;
            color: var(--pine-950);
            margin: 0 0 0.3rem;
        }

        .update-row p {
            font-size: 0.9rem;
            color: var(--muted);
            margin: 0;
            line-height: 1.7;
            max-width: 680px;
        }

        .stats-section {
            background: var(--pine-950);
            color: #fff;
        }

        .stats-head h2 {
            color: #fff;
        }

        .stats-head p {
            color: rgba(255, 255, 255, 0.72);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 1.8rem 1.4rem;
            text-align: center;
            transition: transform var(--transition), background var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-3px);
            background: rgba(255, 255, 255, 0.09);
        }

        .stat-card strong {
            display: block;
            font-size: 2.3rem;
            line-height: 1.1;
            color: var(--brass-300);
            margin-bottom: 0.3rem;
        }

        .stat-card span {
            font-size: 0.98rem;
            font-weight: 600;
            color: #fff;
            display: block;
            margin-bottom: 0.3rem;
        }

        .stat-card p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.82rem;
            margin: 0;
            line-height: 1.5;
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 0.9fr 1.6fr;
            gap: 3rem;
        }

        .faq-aside {
            position: relative;
        }

        .faq-aside .section-title {
            margin-bottom: 0.8rem;
        }

        .faq-aside p {
            color: var(--muted);
            margin-bottom: 1.4rem;
        }

        .faq-help-card {
            background: var(--pine-100);
            border: 1px solid rgba(31, 86, 81, 0.16);
            border-radius: var(--radius);
            padding: 1.2rem 1.3rem;
            font-size: 0.87rem;
            color: var(--pine-800);
        }

        .faq-help-card strong {
            color: var(--pine-950);
            display: block;
            margin-bottom: 0.2rem;
        }

        .faq-list {
            border-top: 1px solid var(--border);
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
            background: transparent;
            transition: background var(--transition);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            cursor: pointer;
            list-style: none;
            padding: 1.2rem 0.1rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--ink);
            transition: color var(--transition);
        }

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

        .faq-item summary:hover {
            color: var(--pine-700);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--border);
            background: var(--cream);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition);
            color: var(--brass-600);
            font-size: 1.05rem;
        }

        .faq-item[open] .faq-icon {
            transform: rotate(45deg);
            background: var(--pine-700);
            color: #fff;
            border-color: var(--pine-700);
        }

        .faq-answer {
            padding: 0 0.1rem 1.3rem;
            color: var(--muted);
            line-height: 1.8;
            font-size: 0.95rem;
            max-width: 860px;
        }

        .cta-band {
            background: var(--pine-950);
            color: #fff;
            padding: 1px 0;
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 2rem;
            padding: 3.2rem 1rem;
        }

        .cta-text h2 {
            font-size: clamp(1.5rem, 3vw, 2.3rem);
            margin: 0 0 0.6rem;
            color: #fff;
        }

        .cta-text p {
            color: rgba(255, 255, 255, 0.72);
            margin: 0;
            max-width: 700px;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
        }

        .site-footer {
            background: var(--pine-950);
            color: rgba(255, 255, 255, 0.7);
            padding-top: 4rem;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.4rem;
            padding-bottom: 3.2rem;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            margin-bottom: 1rem;
            color: #fff;
        }

        .footer-brand .brand-mark {
            width: 36px;
            height: 36px;
        }

        .footer-brand span {
            font-size: 1.05rem;
            font-weight: 700;
        }

        .footer-brand-col p {
            font-size: 0.9rem;
            line-height: 1.8;
            margin: 1rem 0 0;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 0.92rem;
            color: #fff;
            margin: 0 0 1.2rem;
            font-weight: 600;
            letter-spacing: 0.04em;
        }

        .footer-col ul li {
            margin-bottom: 0.72rem;
        }

        .footer-col ul a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            transition: color var(--transition), padding-left var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 1.4rem 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
            font-size: 0.83rem;
            color: rgba(255, 255, 255, 0.55);
        }

        .floating-wrap {
            position: fixed;
            right: 20px;
            bottom: 20px;
            z-index: 40;
            display: flex;
            align-items: center;
            gap: 0.7rem;
            opacity: 0;
            visibility: hidden;
            transform: translateY(16px);
            transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
        }

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

        .floating-wrap.hide-forever {
            display: none;
        }

        .floating-main {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--pine-800);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.18);
            padding: 0.6rem 1.15rem;
            border-radius: 999px;
            font-size: 0.9rem;
            box-shadow: 0 12px 30px rgba(14, 52, 48, 0.25);
            transition: background var(--transition), transform var(--transition);
        }

        .floating-main:hover {
            background: var(--pine-700);
            transform: translateY(-2px);
        }

        .floating-close {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            border: 1px solid var(--border);
            background: var(--cream);
            color: var(--muted);
            font-size: 1rem;
            line-height: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
        }

        .floating-close:hover {
            background: #fff;
            color: var(--pine-950);
            border-color: var(--pine-700);
        }

        @media (max-width: 1023px) {
            .nav-inner {
                width: min(100% - 1.5rem, 1320px);
            }

            .nav-menu {
                position: fixed;
                top: 0;
                right: 0;
                bottom: 0;
                width: min(82%, 380px);
                background: var(--paper);
                flex-direction: column;
                align-items: flex-start;
                justify-content: flex-start;
                gap: 0.3rem;
                padding: 1.2rem 1.6rem 2rem;
                box-shadow: -20px 0 50px rgba(14, 52, 48, 0.18);
                z-index: 80;
                transform: translateX(100%);
                transition: transform 0.3s ease;
                overflow-y: auto;
            }

            body.menu-open .nav-menu {
                transform: none;
            }

            .nav-menu li {
                width: 100%;
            }

            .nav-menu a {
                display: block;
                padding: 0.75rem 0.2rem;
                font-size: 1rem;
                border-bottom: 1px solid rgba(216, 213, 204, 0.6);
            }

            .nav-menu a.active::after {
                bottom: 5px;
            }

            .mobile-nav-close {
                display: block;
                padding-bottom: 0.8rem;
                margin-bottom: 0.8rem;
                border-bottom: 1px solid var(--border);
            }

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

            .nav-cta {
                display: none;
            }

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

            .feature-media {
                min-height: 220px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .faq-layout {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 2rem 2.5rem;
            }
        }

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

            .container-x {
                width: min(100% - 1.25rem, 1280px);
            }

            .brand-text strong {
                font-size: 0.96rem;
            }

            .brand-text small {
                font-size: 0.68rem;
            }

            .cat-hero {
                min-height: 420px;
            }

            .cat-hero-content {
                padding: 2.8rem 0 3.2rem;
            }

            .cat-hero h1 {
                font-size: 1.8rem;
            }

            .cat-hero-content .hero-lead {
                font-size: 0.96rem;
            }

            .section-pad {
                padding: 3.5rem 0;
            }

            .section-head {
                margin-bottom: 2rem;
            }

            .feature-copy {
                padding: 1.6rem 1.3rem;
            }

            .feature-copy h3 {
                font-size: 1.25rem;
            }

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

            .update-row {
                grid-template-columns: 1fr;
                gap: 0.6rem;
                padding: 1.2rem;
            }

            .cta-inner {
                padding: 2.6rem 0;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 0.35rem;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }

            .anchor-nav .anchor-label {
                width: 100%;
            }

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

            .nav-inner {
                height: 60px;
            }

            .brand-mark {
                width: 34px;
                height: 34px;
                font-size: 0.95rem;
            }

            .cat-hero h1 {
                font-size: 1.55rem;
            }

            .floating-main span {
                display: none;
            }

            .floating-main {
                width: 48px;
                height: 48px;
                padding: 0;
                justify-content: center;
                border-radius: 50%;
                font-size: 1.15rem;
            }
        }