/* roulang page: index */
:root {
            --page-bg: #F2F5EF;
            --panel-bg: #FFFFFF;
            --brand-green: #0D7A4D;
            --brand-dark: #16261E;
            --accent-lime: #D7F52E;
            --accent-amber: #F7B32B;
            --text-primary: #26332B;
            --text-secondary: #657358;
            --border-light: #DCE5DA;
            --success: #2B9A66;
            --danger: #D64545;
            --warn: #F0A500;
            --radius-card: 12px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --shadow-card: 0 2px 8px rgba(22, 38, 30, 0.08);
            --shadow-hover: 0 8px 24px rgba(22, 38, 30, 0.12);
            --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
            --side-w: 240px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--page-bg);
            color: var(--text-primary);
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
        }

        a {
            color: var(--brand-green);
            text-decoration: none;
            transition: color .2s;
        }

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

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

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
            padding: 0 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            border: 1px solid transparent;
            transition: all .2s ease;
            text-decoration: none;
            cursor: pointer;
            line-height: 1.2;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(215, 245, 46, .55);
            outline-offset: 2px;
        }

        .btn-lime {
            background: var(--accent-lime);
            color: var(--brand-dark) !important;
            border-color: var(--accent-lime);
        }

        .btn-lime:hover {
            background: #c9ea2a;
            border-color: #c9ea2a;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(215, 245, 46, .22);
        }

        .btn-lime:active {
            transform: translateY(0);
            background: #b7d81f;
        }

        .btn-ghost {
            background: transparent;
            color: #fff !important;
            border-color: rgba(255, 255, 255, .55);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
        }

        .btn-green {
            background: var(--brand-green);
            color: #fff !important;
            border-color: var(--brand-green);
        }

        .btn-green:hover {
            background: #096b42;
            border-color: #096b42;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .btn-sm {
            min-height: 34px;
            padding: 0 14px;
            font-size: 13px;
            border-radius: 8px;
        }

        /* ===== 左侧竖向导航 ===== */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--side-w);
            height: 100vh;
            background: var(--brand-dark);
            color: rgba(245, 247, 240, .8);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            border-right: 1px solid rgba(255, 255, 255, .04);
        }

        .side-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 26px 20px 14px;
        }

        .brand-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--accent-lime);
            color: var(--brand-dark);
            font-weight: 800;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            letter-spacing: .5px;
        }

        .brand-text {
            color: #fff;
            font-weight: 700;
            font-size: 17px;
            letter-spacing: .5px;
            white-space: nowrap;
        }

        .side-menu {
            margin-top: 18px;
            padding: 0 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .side-menu a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 14px;
            border-radius: 10px;
            color: rgba(245, 247, 240, .76);
            font-size: 15px;
            font-weight: 500;
            border-left: 3px solid transparent;
            transition: all .2s ease;
        }

        .side-menu a i {
            width: 20px;
            font-size: 16px;
            text-align: center;
            flex-shrink: 0;
        }

        .side-menu a:hover {
            background: rgba(255, 255, 255, .07);
            color: #fff;
        }

        .side-menu a.active {
            background: rgba(13, 122, 77, .28);
            border-left: 3px solid var(--accent-lime);
            color: var(--accent-lime);
            font-weight: 600;
        }

        .side-toggler {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .3);
            color: #fff;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            cursor: pointer;
            transition: all .2s;
        }

        .side-toggler:hover {
            background: rgba(255, 255, 255, .1);
        }

        .side-foot {
            margin-top: auto;
            padding: 20px 16px 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .side-foot a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(245, 247, 240, .6);
            font-size: 13px;
            padding: 10px 12px;
            border-radius: 8px;
            transition: all .2s;
        }

        .side-foot a:hover {
            background: rgba(255, 255, 255, .06);
            color: var(--accent-lime);
        }

        .side-foot a i {
            width: 18px;
            text-align: center;
            font-size: 15px;
        }

        /* ===== 顶部倒计时条 ===== */
        .countdown-strip {
            position: fixed;
            top: 0;
            left: var(--side-w);
            right: 0;
            z-index: 1040;
            background: var(--brand-green);
            color: #fff;
            box-shadow: 0 2px 12px rgba(22, 38, 30, .18);
        }

        .cd-inner {
            height: 56px;
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 0 28px;
            max-width: 1280px;
            margin: 0 auto;
        }

        .cd-event {
            font-size: 14px;
            font-weight: 700;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            display: flex;
            align-items: center;
            gap: 8px;
            min-width: 0;
        }

        .cd-event i {
            color: var(--accent-lime);
        }

        .cd-label {
            font-size: 12px;
            color: rgba(255, 255, 255, .82);
            white-space: nowrap;
        }

        .cd-timer {
            display: flex;
            gap: 6px;
            margin-left: auto;
        }

        .cd-box {
            background: rgba(22, 38, 30, .55);
            border-radius: 8px;
            padding: 5px 8px;
            min-width: 50px;
            text-align: center;
            line-height: 1.1;
        }

        .cd-box span {
            color: var(--accent-lime);
            font-size: 19px;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            display: block;
        }

        .cd-box small {
            display: block;
            font-size: 10px;
            color: rgba(255, 255, 255, .72);
            margin-top: 2px;
        }

        .cd-cta {
            margin-left: 14px;
            flex-shrink: 0;
        }

        .cd-cta .btn {
            min-height: 32px;
            padding: 0 14px;
            font-size: 13px;
        }

        /* ===== 主内容 ===== */
        .page-main {
            margin-left: var(--side-w);
            padding-top: 56px;
        }

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

        .section-head {
            margin-bottom: 40px;
        }

        .section-overline {
            color: var(--brand-green);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .section-overline::before {
            content: "";
            width: 24px;
            height: 3px;
            background: var(--accent-lime);
            border-radius: 2px;
            display: inline-block;
        }

        .section-title {
            font-size: clamp(22px, 2.6vw, 32px);
            font-weight: 800;
            color: var(--text-primary);
            margin: 10px 0 12px;
            line-height: 1.3;
        }

        .section-sub {
            color: var(--text-secondary);
            font-size: 16px;
            max-width: 660px;
            margin: 0;
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: linear-gradient(115deg, rgba(22, 38, 30, .94) 0%, rgba(13, 122, 77, .82) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            color: #fff;
        }

        .hero-content {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 80px 28px;
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(215, 245, 46, .16);
            border: 1px solid rgba(215, 245, 46, .45);
            color: var(--accent-lime);
            font-size: 13px;
            font-weight: 700;
            border-radius: 999px;
            padding: 6px 14px;
            margin-bottom: 20px;
            letter-spacing: .5px;
        }

        .hero-section h1 {
            font-size: clamp(28px, 4vw, 44px);
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 18px;
            color: #fff;
            letter-spacing: .5px;
        }

        .hero-section h1 .highlight {
            color: var(--accent-lime);
        }

        .hero-sub {
            font-size: 17px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .88);
            max-width: 600px;
            margin: 0 0 22px;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 26px;
        }

        .hero-badge {
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .2);
            color: #fff;
            font-size: 13px;
            border-radius: 999px;
            padding: 6px 14px;
        }

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

        /* ===== 统计条 ===== */
        .stats-strip {
            background: var(--panel-bg);
            border-bottom: 1px solid var(--border-light);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            padding: 36px 0;
        }

        .stat-item {
            text-align: center;
            position: relative;
        }

        .stat-item+.stat-item::before {
            content: "";
            position: absolute;
            left: -12px;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 44px;
            background: var(--border-light);
        }

        .stat-num {
            font-size: 34px;
            font-weight: 800;
            color: var(--brand-green);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }

        .stat-num small {
            font-size: 16px;
            font-weight: 700;
            margin-left: 2px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* ===== 卖点卡片 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .feature-card {
            background: var(--panel-bg);
            border-radius: var(--radius-card);
            padding: 30px 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: transform .25s, box-shadow .25s, border-color .25s;
            height: 100%;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--brand-green);
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: rgba(13, 122, 77, .1);
            color: var(--brand-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 18px;
            transition: background .2s, color .2s;
        }

        .feature-card:hover .feature-icon {
            background: var(--brand-green);
            color: #fff;
        }

        .feature-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .feature-card p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
        }

        /* ===== 图墙 ===== */
        .gallery-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            grid-auto-rows: 210px;
            gap: 16px;
        }

        .gallery-item {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            background: var(--border-light);
        }

        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .gallery-item:hover img {
            transform: scale(1.05);
        }

        .gallery-mask {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(22, 38, 30, .88));
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 18px 16px;
            color: #fff;
            opacity: 0;
            transition: opacity .3s;
        }

        .gallery-item:hover .gallery-mask {
            opacity: 1;
        }

        .gallery-mask h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .gallery-mask p {
            font-size: 13px;
            opacity: .88;
            margin: 0;
        }

        .gallery-item:first-child {
            grid-row: span 2;
        }

        /* ===== 规则速览 ===== */
        .rules-strip {
            background: var(--brand-dark);
            color: rgba(245, 247, 240, .9);
            border-radius: 20px;
            padding: 44px 40px;
            position: relative;
            overflow: hidden;
        }

        .rules-strip::after {
            content: "";
            position: absolute;
            right: -60px;
            bottom: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(215, 245, 46, .06);
        }

        .rules-strip .section-title {
            color: #fff;
        }

        .rules-strip .section-sub {
            color: rgba(245, 247, 240, .7);
        }

        .rule-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            list-style: none;
            margin: 32px 0 0;
            padding: 0;
        }

        .rule-item {
            display: flex;
            gap: 12px;
        }

        .rule-item>i {
            color: var(--accent-lime);
            font-size: 18px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .rule-item h5 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 6px;
            color: #fff;
        }

        .rule-item p {
            font-size: 13px;
            color: rgba(245, 247, 240, .68);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== 报名CTA ===== */
        .join-panel {
            background: var(--panel-bg);
            border-radius: 20px;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
            border: 1px solid var(--border-light);
        }

        .join-left {
            padding: 44px 40px;
            background: linear-gradient(135deg, rgba(13, 122, 77, .07), rgba(22, 38, 30, .04));
            border-right: 1px solid var(--border-light);
        }

        .join-left h3 {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .join-left .join-sub {
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 24px;
        }

        .form-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .form-control {
            height: 48px;
            border-radius: var(--radius-input);
            border: 1px solid var(--border-light);
            background: #fff;
            padding: 0 16px;
            font-size: 15px;
            color: var(--text-primary);
            transition: border-color .2s, box-shadow .2s;
            width: 100%;
        }

        .form-control::placeholder {
            color: #9aa89a;
        }

        .form-control:focus {
            border-color: var(--brand-green);
            box-shadow: 0 0 0 3px rgba(13, 122, 77, .12);
            outline: none;
        }

        .form-tip {
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 10px;
        }

        .join-right {
            padding: 44px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .join-right h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .join-right .benefit-note {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        .benefit-item {
            display: flex;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px dashed var(--border-light);
        }

        .benefit-item:last-child {
            border-bottom: none;
        }

        .benefit-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(215, 245, 46, .4);
            color: var(--brand-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .benefit-item h6 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 2px;
            color: var(--text-primary);
        }

        .benefit-item p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        /* ===== FAQ ===== */
        .accordion-custom .accordion-item {
            background: var(--panel-bg);
            border: 1px solid var(--border-light);
            border-radius: 10px !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .accordion-custom .accordion-button {
            background: var(--panel-bg);
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 600;
            padding: 18px 48px 18px 20px;
            box-shadow: none !important;
            border-left: 3px solid transparent;
            border-radius: 0 !important;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: #f7faf5;
            border-left: 3px solid var(--brand-green);
            color: var(--brand-green);
        }

        .accordion-custom .accordion-button::after {
            background-image: none;
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            content: "\f067";
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-green);
            font-size: 14px;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: rgba(13, 122, 77, .08);
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
        }

        .accordion-custom .accordion-button:not(.collapsed)::after {
            content: "\f068";
            background-color: var(--brand-green);
            color: #fff;
        }

        .accordion-custom .accordion-body {
            padding: 4px 20px 20px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ===== 资讯列表 ===== */
        .news-panel {
            background: var(--panel-bg);
            border-radius: 16px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 28px;
        }

        .news-tabs {
            display: flex;
            gap: 10px;
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .news-tab {
            font-size: 13px;
            color: var(--text-secondary);
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid var(--border-light);
            cursor: pointer;
            transition: all .2s;
            background: #fff;
        }

        .news-tab:hover {
            border-color: var(--brand-green);
            color: var(--brand-green);
        }

        .news-tab.active {
            background: var(--brand-green);
            color: #fff;
            border-color: var(--brand-green);
        }

        .news-list {
            display: flex;
            flex-direction: column;
        }

        .news-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 8px;
            border-bottom: 1px solid var(--border-light);
            transition: background .2s, padding .2s;
            text-decoration: none;
            border-radius: 8px;
        }

        .news-item:last-child {
            border-bottom: none;
        }

        .news-item:hover {
            background: rgba(13, 122, 77, .04);
            padding-left: 14px;
            padding-right: 14px;
        }

        .news-tag {
            background: rgba(13, 122, 77, .1);
            color: var(--brand-green);
            font-size: 12px;
            border-radius: 999px;
            padding: 4px 10px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .news-main {
            flex: 1;
            min-width: 0;
        }

        .news-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 4px;
            transition: color .2s;
        }

        .news-item:hover .news-title {
            color: var(--brand-green);
        }

        .news-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin: 0;
            line-height: 1.6;
        }

        .news-date {
            font-size: 13px;
            color: var(--text-secondary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .news-arrow {
            color: var(--brand-green);
            font-size: 16px;
            flex-shrink: 0;
            transition: transform .2s;
        }

        .news-item:hover .news-arrow {
            transform: translateX(4px);
        }

        .news-empty {
            border: 2px dashed var(--border-light);
            border-radius: 12px;
            text-align: center;
            padding: 60px 20px;
            color: var(--text-secondary);
        }

        .news-empty i {
            font-size: 40px;
            display: block;
            margin-bottom: 12px;
            color: #b8c4b8;
        }

        .news-empty p {
            margin: 0;
            font-size: 15px;
        }

        /* ===== CTA横幅 ===== */
        .cta-banner {
            background: linear-gradient(100deg, var(--brand-green), #0a5f3c), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            border-radius: 20px;
            padding: 48px 40px;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
        }

        .cta-banner h3 {
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 6px;
        }

        .cta-banner p {
            font-size: 15px;
            color: rgba(255, 255, 255, .85);
            margin: 0;
            max-width: 520px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--brand-dark);
            color: rgba(245, 247, 240, .78);
            margin-top: 80px;
        }

        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 52px 24px 24px;
            border-top: 3px solid var(--accent-lime);
        }

        .footer-top {
            display: flex;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

        .footer-brand {
            flex: 1;
            min-width: 280px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }

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

        .footer-brand .footer-logo span {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(245, 247, 240, .65);
            max-width: 380px;
            margin: 0;
            line-height: 1.7;
        }

        .footer-links {
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
        }

        .footer-links .fl-group h6 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .footer-links .fl-group a {
            display: block;
            color: rgba(245, 247, 240, .68);
            font-size: 14px;
            padding: 4px 0;
            transition: color .2s;
        }

        .footer-links .fl-group a:hover {
            color: var(--accent-lime);
        }

        .footer-bottom {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, .08);
            font-size: 13px;
            color: rgba(245, 247, 240, .5);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        /* ===== 响应式 ===== */
        @media (min-width: 768px) {
            .side-menu.collapse {
                display: flex !important;
            }
        }

        @media (min-width: 768px) and (max-width: 991px) {
            :root {
                --side-w: 72px;
            }

            .brand-text,
            .side-menu a .link-label,
            .side-foot .foot-label {
                display: none;
            }

            .side-brand {
                justify-content: center;
                padding: 20px 0 14px;
            }

            .side-menu {
                padding: 0 10px;
            }

            .side-menu a {
                justify-content: center;
                padding: 14px 0;
            }

            .side-menu a i {
                width: auto;
            }

            .side-foot {
                align-items: center;
                padding: 16px 0 20px;
            }

            .side-foot a {
                padding: 10px 0;
            }

            .side-foot a i {
                width: auto;
            }

            .cd-inner {
                padding: 0 20px;
            }

            .cd-event {
                font-size: 13px;
            }

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

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

        @media (max-width: 767px) {
            .side-nav {
                position: sticky;
                top: 0;
                width: 100%;
                height: auto;
                flex-direction: row;
                flex-wrap: wrap;
                align-items: center;
                justify-content: space-between;
                padding: 8px 16px;
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, .06);
            }

            .side-brand {
                padding: 0;
            }

            .side-toggler {
                display: inline-flex;
            }

            .side-menu {
                flex-basis: 100%;
                margin-top: 8px;
                padding: 4px 0 12px;
            }

            .side-menu a {
                padding: 11px 14px;
            }

            .side-foot {
                display: none;
            }

            .page-main {
                margin-left: 0;
                padding-top: 0;
            }

            .countdown-strip {
                position: sticky;
                top: 58px;
                left: 0;
                right: 0;
            }

            .cd-inner {
                height: 48px;
                padding: 0 12px;
                gap: 8px;
            }

            .cd-event,
            .cd-label {
                display: none;
            }

            .cd-timer {
                margin-left: auto;
                gap: 4px;
            }

            .cd-box {
                min-width: 40px;
                padding: 3px 5px;
            }

            .cd-box span {
                font-size: 15px;
            }

            .cd-cta {
                margin-left: 4px;
            }

            .cd-cta .btn {
                padding: 0 10px;
                font-size: 12px;
                min-height: 30px;
            }

            .hero-section {
                min-height: 460px;
            }

            .hero-content {
                padding: 60px 20px;
            }

            .hero-sub {
                font-size: 15px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
                padding: 28px 0;
            }

            .stat-item:nth-child(2)::before {
                display: none;
            }

            .stat-num {
                font-size: 28px;
            }

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

            .gallery-grid {
                display: flex;
                flex-wrap: nowrap;
                overflow-x: auto;
                gap: 12px;
                -webkit-overflow-scrolling: touch;
                scroll-snap-type: x mandatory;
                padding-bottom: 4px;
            }

            .gallery-item {
                flex: 0 0 78%;
                scroll-snap-align: center;
                min-height: 180px;
                grid-row: auto !important;
            }

            .rules-strip {
                padding: 32px 24px;
                border-radius: 16px;
            }

            .rule-list {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .join-panel {
                grid-template-columns: 1fr;
            }

            .join-left {
                padding: 32px 24px;
                border-right: none;
                border-bottom: 1px solid var(--border-light);
            }

            .join-right {
                padding: 32px 24px;
            }

            .section-spacing {
                padding: 48px 0;
            }

            .news-panel {
                padding: 18px;
            }

            .news-item {
                flex-wrap: wrap;
                gap: 8px;
                padding: 14px 4px;
            }

            .news-excerpt {
                display: none;
            }

            .news-date {
                margin-left: auto;
                font-size: 12px;
            }

            .cta-banner {
                padding: 32px 24px;
                flex-direction: column;
                align-items: flex-start;
            }

            .footer-inner {
                padding: 40px 20px 20px;
            }

            .footer-links {
                gap: 24px;
            }
        }

        @media (min-width: 480px) and (max-width: 767px) {
            .features-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 420px) {
            .cd-box {
                min-width: 36px;
            }

            .cd-box span {
                font-size: 13px;
            }

            .cd-cta .btn {
                padding: 0 8px;
                font-size: 11px;
            }

            .rule-list {
                grid-template-columns: 1fr;
            }

            .footer-top {
                flex-direction: column;
                gap: 24px;
            }
        }

/* roulang page: category1 */
/* ===== Design System ===== */
        :root {
            --page-bg: #F2F5EF;
            --panel-bg: #FFFFFF;
            --brand-green: #0D7A4D;
            --brand-dark: #16261E;
            --accent-lime: #D7F52E;
            --accent-amber: #F7B32B;
            --text-primary: #26332B;
            --text-secondary: #657358;
            --border-light: #DCE5DA;
            --success: #2B9A66;
            --error: #D64545;
            --warning: #F0A500;
            --radius-card: 12px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --shadow-card: 0 2px 8px rgba(22, 38, 30, 0.08);
            --shadow-hover: 0 8px 24px rgba(22, 38, 30, 0.12);
            --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--page-bg);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            display: block;
            object-fit: cover;
        }
        button {
            border: none;
            background: none;
            font-family: inherit;
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        :focus-visible {
            outline: 2px solid var(--brand-green);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== Container ===== */
        .container-k1 {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Left Side Navigation ===== */
        .side-nav {
            position: fixed;
            left: 0;
            top: 0;
            width: 240px;
            height: 100vh;
            background: var(--brand-dark);
            z-index: 1040;
            display: flex;
            flex-direction: column;
            transition: width 0.3s ease;
        }
        .side-brand {
            padding: 28px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .brand-icon {
            width: 44px;
            height: 44px;
            background: var(--accent-lime);
            color: var(--brand-dark);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .brand-text {
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            line-height: 1.3;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .brand-text .brand-sub {
            display: block;
            font-size: 11px;
            font-weight: 400;
            color: #8FA396;
            margin-top: 2px;
            letter-spacing: 0.5px;
        }
        .side-menu {
            flex: 1;
            padding: 20px 12px;
            overflow-y: auto;
        }
        .side-menu::-webkit-scrollbar {
            width: 4px;
        }
        .side-menu::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }
        .side-menu a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 16px;
            color: #A7B5AE;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition-base);
            position: relative;
            margin-bottom: 4px;
        }
        .side-menu a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
        }
        .side-menu a:hover {
            background: rgba(255, 255, 255, 0.07);
            color: #fff;
            transform: translateX(2px);
        }
        .side-menu a.active {
            background: rgba(215, 245, 46, 0.1);
            color: var(--accent-lime);
        }
        .side-menu a.active::before {
            content: '';
            position: absolute;
            left: -12px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 24px;
            background: var(--accent-lime);
            border-radius: 0 3px 3px 0;
        }
        .side-bottom {
            padding: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
        }
        .side-bottom .qr-box {
            background: rgba(255, 255, 255, 0.06);
            border-radius: 10px;
            padding: 14px;
            margin-bottom: 12px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            transition: var(--transition-base);
        }
        .side-bottom .qr-box:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .side-bottom .qr-box i {
            font-size: 32px;
            color: var(--accent-lime);
        }
        .side-bottom .qr-box span {
            font-size: 12px;
            color: #A7B5AE;
        }
        .side-bottom .support-link {
            display: block;
            padding: 9px 12px;
            background: var(--brand-green);
            color: #fff;
            border-radius: 8px;
            font-size: 13px;
            font-weight: 600;
            transition: var(--transition-base);
        }
        .side-bottom .support-link:hover {
            background: #0B6A43;
            transform: translateY(-1px);
        }
        .side-toggle {
            display: none;
            margin-left: auto;
            background: rgba(255, 255, 255, 0.1);
            border: none;
            color: #fff;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            font-size: 18px;
            align-items: center;
            justify-content: center;
        }

        /* ===== Mobile Nav Overrides ===== */
        @media (min-width: 768px) {
            .side-menu.collapse {
                display: flex !important;
                flex-direction: column;
            }
        }
        @media (max-width: 991.98px) and (min-width: 768px) {
            .side-nav {
                width: 72px;
            }
            .side-brand {
                padding: 20px 10px;
                justify-content: center;
            }
            .brand-text {
                display: none;
            }
            .side-menu {
                padding: 12px 8px;
            }
            .side-menu a {
                justify-content: center;
                padding: 14px 0;
            }
            .side-menu a span {
                display: none;
            }
            .side-menu a.active::before {
                left: -8px;
            }
            .side-bottom {
                padding: 12px 8px;
            }
            .side-bottom .qr-box span,
            .side-bottom .support-link {
                display: none;
            }
            .side-bottom .qr-box i {
                font-size: 26px;
            }
        }
        @media (max-width: 767.98px) {
            .side-nav {
                width: 100%;
                height: auto;
                position: sticky;
                top: 0;
                flex-direction: row;
                flex-wrap: wrap;
                align-items: center;
                padding: 12px 16px;
                gap: 0;
            }
            .side-brand {
                padding: 0;
                border-bottom: none;
            }
            .side-menu.collapse {
                display: none !important;
                width: 100%;
                padding: 10px 0;
                border-top: 1px solid rgba(255, 255, 255, 0.08);
                margin-top: 10px;
            }
            .side-menu.collapse.show {
                display: flex !important;
                flex-direction: column;
            }
            .side-menu a {
                padding: 13px 12px;
            }
            .side-menu a.active::before {
                left: 0;
            }
            .side-bottom {
                display: none;
            }
            .side-toggle {
                display: flex;
            }
        }

        /* ===== Content Wrapper ===== */
        .content-wrapper {
            margin-left: 240px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            transition: margin-left 0.3s ease;
        }
        @media (max-width: 991.98px) {
            .content-wrapper {
                margin-left: 72px;
            }
        }
        @media (max-width: 767.98px) {
            .content-wrapper {
                margin-left: 0;
            }
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-k1 {
            padding: 16px 0 0;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .breadcrumb-k1 a {
            color: var(--text-secondary);
            transition: color 0.2s;
        }
        .breadcrumb-k1 a:hover {
            color: var(--brand-green);
        }
        .breadcrumb-k1 .sep {
            margin: 0 8px;
            color: #B4C0B8;
        }
        .breadcrumb-k1 .current {
            color: var(--brand-green);
            font-weight: 600;
        }

        /* ===== Category Hero ===== */
        .category-hero {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            margin: 20px 0 56px;
            background-size: cover;
            background-position: center;
            background-image: url('/assets/images/backpic/back-2.webp');
            min-height: 380px;
            display: flex;
            align-items: center;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(22, 38, 30, 0.92) 10%, rgba(22, 38, 30, 0.68) 55%, rgba(22, 38, 30, 0.25) 100%);
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            padding: 48px 56px;
            width: 100%;
            max-width: 720px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent-lime);
            color: var(--brand-dark);
            font-size: 12px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 999px;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }
        .hero-badge i {
            font-size: 11px;
        }
        .category-hero h1 {
            color: #fff;
            font-size: clamp(28px, 4vw, 44px);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }
        .category-hero p {
            color: #D0DAD3;
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-k1-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-lime);
            color: var(--brand-dark);
            font-weight: 700;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--accent-lime);
            transition: var(--transition-base);
            height: 48px;
        }
        .btn-k1-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(215, 245, 46, 0.35);
        }
        .btn-k1-primary:active {
            transform: translateY(0);
        }
        .btn-k1-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            transition: var(--transition-base);
            height: 48px;
        }
        .btn-k1-outline:hover {
            border-color: var(--accent-lime);
            color: var(--accent-lime);
            transform: translateY(-2px);
        }
        .btn-k1-outline:active {
            transform: translateY(0);
        }
        .hero-metrics {
            position: absolute;
            right: 48px;
            bottom: 40px;
            z-index: 2;
            display: flex;
            gap: 20px;
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: var(--radius-card);
            padding: 22px 32px;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .metric-item {
            text-align: center;
            min-width: 80px;
        }
        .metric-item .num {
            font-size: 26px;
            font-weight: 800;
            color: var(--accent-lime);
            line-height: 1.2;
        }
        .metric-item .label {
            font-size: 12px;
            color: #C3CEC7;
            margin-top: 4px;
        }

        /* ===== Section Header ===== */
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: clamp(22px, 2.6vw, 32px);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            position: relative;
            display: inline-block;
        }
        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 44px;
            height: 4px;
            background: var(--accent-lime);
            border-radius: 4px;
        }
        .section-header p {
            color: var(--text-secondary);
            font-size: 15px;
            margin-top: 12px;
        }

        /* ===== Feature Cards ===== */
        .feature-section {
            padding: 16px 0 64px;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .feature-card {
            background: var(--panel-bg);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--brand-green);
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition-base);
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .feature-card:hover::before {
            transform: scaleX(1);
        }
        .feature-card .feature-icon {
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: rgba(13, 122, 77, 0.1);
            color: var(--brand-green);
            font-size: 22px;
            margin-bottom: 18px;
            transition: var(--transition-base);
        }
        .feature-card:hover .feature-icon {
            background: var(--brand-green);
            color: #fff;
            transform: rotate(-6deg) scale(1.05);
        }
        .feature-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== Race Cards ===== */
        .race-section {
            padding: 64px 0;
            background: #EDF1E9;
            border-radius: 24px;
        }
        .race-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .race-card {
            background: var(--panel-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: var(--transition-base);
        }
        .race-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(13, 122, 77, 0.3);
        }
        .race-card .race-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .race-card .race-img img {
            width: 100%;
            height: 100%;
            transition: transform 0.5s ease;
        }
        .race-card:hover .race-img img {
            transform: scale(1.04);
        }
        .race-card .race-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(22, 38, 30, 0.4) 100%);
        }
        .race-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            background: var(--accent-lime);
            color: var(--brand-dark);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 999px;
        }
        .race-card-body {
            padding: 22px 24px 24px;
        }
        .race-card-body h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .race-card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .race-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--brand-green);
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition-base);
        }
        .race-link i {
            transition: transform 0.3s;
        }
        .race-link:hover {
            color: var(--brand-dark);
        }
        .race-link:hover i {
            transform: translateX(4px);
        }

        /* ===== Steps ===== */
        .steps-section {
            padding: 64px 0 32px;
        }
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .steps-row::before {
            content: '';
            position: absolute;
            top: 90px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: var(--border-light);
        }
        .step-item {
            text-align: center;
            position: relative;
            padding: 0 12px;
        }
        .step-num {
            display: block;
            font-size: 46px;
            font-weight: 800;
            line-height: 1;
            color: rgba(13, 122, 77, 0.08);
            margin-bottom: -8px;
            transition: var(--transition-base);
        }
        .step-item:hover .step-num {
            color: rgba(13, 122, 77, 0.25);
        }
        .step-item .step-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            background: var(--panel-bg);
            border: 1px solid var(--border-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-green);
            font-size: 20px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            position: relative;
            z-index: 1;
        }
        .step-item:hover .step-icon {
            background: var(--brand-green);
            color: #fff;
            border-color: var(--brand-green);
            transform: scale(1.08);
        }
        .step-item h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 64px 0;
            max-width: 820px;
            margin: 0 auto;
        }
        .custom-accordion {
            --bs-accordion-border-color: var(--border-light);
            --bs-accordion-border-radius: var(--radius-card);
            --bs-accordion-inner-border-radius: var(--radius-card);
            --bs-accordion-bg: var(--panel-bg);
            --bs-accordion-padding-x: 24px;
            --bs-accordion-padding-y: 18px;
        }
        .custom-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card) !important;
            margin-bottom: 12px;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition-base);
        }
        .custom-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: rgba(13, 122, 77, 0.35);
        }
        .custom-accordion .accordion-button {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            background: var(--panel-bg);
            padding: 18px 24px;
            border: none;
            box-shadow: none;
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .custom-accordion .accordion-button::after {
            content: '\2b';
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            background: none;
            width: auto;
            height: auto;
            font-size: 16px;
            color: var(--brand-green);
            transition: var(--transition-base);
        }
        .custom-accordion .accordion-button:not(.collapsed)::after {
            content: '\f068';
            transform: none;
            color: var(--brand-dark);
        }
        .custom-accordion .accordion-button:not(.collapsed) {
            background: rgba(13, 122, 77, 0.04);
            color: var(--brand-green);
        }
        .custom-accordion .accordion-button:hover {
            background: rgba(13, 122, 77, 0.03);
        }
        .custom-accordion .accordion-body {
            padding: 4px 24px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            background: var(--panel-bg);
        }

        /* ===== CTA Panel ===== */
        .cta-section {
            padding: 24px 0 72px;
        }
        .cta-panel {
            position: relative;
            border-radius: 20px;
            background: var(--brand-dark);
            padding: 56px 48px;
            text-align: center;
            overflow: hidden;
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(215, 245, 46, 0.06);
        }
        .cta-panel::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -5%;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(13, 122, 77, 0.2);
        }
        .cta-panel h2 {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-panel p {
            color: #A7B5AE;
            font-size: 15px;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }
        .cta-panel .btn-k1-primary {
            position: relative;
            z-index: 1;
        }
        .cta-note {
            display: block;
            margin-top: 16px;
            font-size: 12px;
            color: #6D7E74;
            position: relative;
            z-index: 1;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--brand-dark);
            color: #A7B5AE;
            margin-top: auto;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 48px 24px 24px;
        }
        .footer-top {
            display: flex;
            justify-content: space-between;
            gap: 48px;
            flex-wrap: wrap;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand {
            max-width: 340px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }
        .footer-logo .brand-icon {
            width: 36px;
            height: 36px;
            font-size: 14px;
        }
        .footer-logo span:last-child {
            color: #fff;
            font-size: 17px;
            font-weight: 700;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: #8FA396;
            margin-bottom: 0;
        }
        .footer-links {
            display: flex;
            gap: 48px;
            flex-wrap: wrap;
        }
        .fl-group h6 {
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .fl-group a {
            display: block;
            font-size: 13px;
            color: #8FA396;
            padding: 4px 0;
            transition: var(--transition-base);
        }
        .fl-group a:hover {
            color: var(--accent-lime);
            padding-left: 4px;
        }
        .footer-bottom {
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 12px;
            color: #6D7E74;
        }
        .footer-bottom span:last-child {
            color: #6D7E74;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199.98px) {
            .feature-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .hero-metrics {
                display: none;
            }
        }
        @media (max-width: 991.98px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-row {
                gap: 16px;
            }
            .steps-row::before {
                display: none;
            }
            .category-hero .hero-content {
                padding: 40px 32px;
            }
        }
        @media (max-width: 767.98px) {
            .container-k1 {
                padding: 0 16px;
            }
            .category-hero {
                margin: 12px 0 40px;
                min-height: 340px;
                border-radius: 16px;
            }
            .category-hero .hero-content {
                padding: 32px 20px;
            }
            .category-hero p {
                font-size: 14px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-k1-primary,
            .btn-k1-outline {
                justify-content: center;
            }
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .race-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .steps-row {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .steps-row::before {
                display: none;
            }
            .step-item {
                padding: 0;
            }
            .step-num {
                font-size: 38px;
            }
            .step-item .step-icon {
                width: 48px;
                height: 48px;
                font-size: 18px;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .faq-section {
                padding: 40px 0;
            }
            .cta-panel {
                padding: 40px 24px;
                border-radius: 16px;
            }
            .cta-panel h2 {
                font-size: 22px;
            }
            .footer-top {
                flex-direction: column;
                gap: 32px;
            }
            .footer-links {
                gap: 32px;
            }
            .footer-inner {
                padding: 36px 16px 20px;
            }
        }
        @media (max-width: 420px) {
            .steps-row {
                grid-template-columns: 1fr;
            }
            .step-item {
                display: flex;
                gap: 16px;
                text-align: left;
                align-items: center;
            }
            .step-item .step-icon {
                flex-shrink: 0;
                margin: 0;
            }
            .step-item h3 {
                margin-bottom: 2px;
            }
            .hero-metrics {
                display: none;
            }
        }

/* roulang page: article */
:root {
            --page-bg: #F2F5EF;
            --panel-bg: #FFFFFF;
            --brand-green: #0D7A4D;
            --brand-dark: #16261E;
            --accent-lime: #D7F52E;
            --accent-amber: #F7B32B;
            --text-primary: #26332B;
            --text-secondary: #657358;
            --border-light: #DCE5DA;
            --success: #2B9A66;
            --error: #D64545;
            --warning: #F0A500;
            --radius-card: 12px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --shadow-card: 0 2px 8px rgba(22, 38, 30, 0.08);
            --shadow-hover: 0 8px 24px rgba(22, 38, 30, 0.12);
            --font-stack: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
            --side-width: 240px;
            --transition: all 0.22s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-stack);
            background: var(--page-bg);
            color: var(--text-primary);
            font-size: 16px;
            line-height: 1.7;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: var(--brand-green);
            transition: var(--transition);
        }
        a:hover {
            color: var(--brand-dark);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        .btn:focus,
        .btn:focus-visible,
        a:focus,
        a:focus-visible,
        .topbar-toggler:focus {
            outline: 3px solid rgba(13, 122, 77, 0.35);
            outline-offset: 2px;
        }

        /* ===== 左侧导航 ===== */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--side-width);
            height: 100vh;
            background: var(--brand-dark);
            display: flex;
            flex-direction: column;
            z-index: 1040;
            padding: 28px 16px 20px;
            overflow-y: auto;
        }
        .side-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px 12px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 24px;
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--accent-lime);
            color: var(--brand-dark);
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
        }
        .brand-name {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            line-height: 1.3;
            white-space: nowrap;
        }
        .topbar-toggler {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.22);
            color: #fff;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            transition: var(--transition);
            margin-left: auto;
        }
        .topbar-toggler:hover {
            border-color: var(--accent-lime);
            color: var(--accent-lime);
            background: rgba(215, 245, 46, 0.08);
        }
        .side-menu {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }
        .side-menu a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 14px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.72);
            font-size: 15px;
            font-weight: 500;
            border-left: 3px solid transparent;
            transition: var(--transition);
        }
        .side-menu a i {
            width: 20px;
            font-size: 16px;
            text-align: center;
        }
        .side-menu a:hover {
            background: rgba(215, 245, 46, 0.08);
            color: #fff;
        }
        .side-menu a.active {
            background: rgba(215, 245, 46, 0.1);
            color: var(--accent-lime);
            border-left-color: var(--accent-lime);
        }
        .side-foot {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0 4px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .side-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent-lime);
            color: var(--brand-dark);
            font-weight: 700;
            font-size: 14px;
            padding: 11px 16px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
        }
        .side-cta:hover {
            background: #c6e32a;
            color: var(--brand-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(215, 245, 46, 0.2);
        }
        .side-meta {
            color: rgba(255, 255, 255, 0.35);
            font-size: 12px;
            text-align: center;
        }

        /* ===== 主内容区 ===== */
        .page-wrap {
            margin-left: var(--side-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .main-content {
            flex: 1;
            padding: 48px 40px 64px;
            max-width: 1280px;
            margin: 0 auto;
            width: 100%;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-nav {
            margin-bottom: 28px;
        }
        .breadcrumb-nav .breadcrumb {
            background: transparent;
            padding: 0;
            margin: 0;
            font-size: 13px;
        }
        .breadcrumb-nav .breadcrumb-item + .breadcrumb-item::before {
            content: "\f105";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--text-secondary);
            opacity: 0.5;
        }
        .breadcrumb-nav .breadcrumb-item a {
            color: var(--text-secondary);
        }
        .breadcrumb-nav .breadcrumb-item a:hover {
            color: var(--brand-green);
        }
        .breadcrumb-nav .breadcrumb-item.active {
            color: var(--text-primary);
            max-width: 340px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ===== 文章卡片 ===== */
        .article-card {
            background: var(--panel-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 48px 56px;
            margin-bottom: 48px;
            border: 1px solid var(--border-light);
            transition: box-shadow 0.3s ease;
        }
        .article-header {
            margin-bottom: 28px;
        }
        .article-header h1 {
            font-size: clamp(28px, 3.6vw, 40px);
            font-weight: 800;
            line-height: 1.28;
            margin-bottom: 20px;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-secondary);
            padding-bottom: 22px;
            border-bottom: 1px solid var(--border-light);
        }
        .badge-cat {
            display: inline-flex;
            align-items: center;
            background: rgba(13, 122, 77, 0.1);
            color: var(--brand-green);
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            white-space: nowrap;
        }
        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .meta-item i {
            font-size: 14px;
            color: var(--brand-green);
        }
        .article-cover {
            border-radius: var(--radius-card);
            overflow: hidden;
            margin-bottom: 36px;
            background: var(--border-light);
            aspect-ratio: 16 / 8;
            position: relative;
        }
        .article-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .article-cover:hover img {
            transform: scale(1.02);
        }

        /* ===== 正文排版 ===== */
        .article-body {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
            max-width: 760px;
            margin: 0 auto;
            word-break: break-word;
        }
        .article-body p {
            margin-bottom: 1.5em;
        }
        .article-body h2 {
            font-size: clamp(20px, 2.4vw, 26px);
            font-weight: 700;
            margin-top: 2.2em;
            margin-bottom: 1em;
            line-height: 1.4;
            position: relative;
            padding-left: 16px;
        }
        .article-body h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 5px;
            width: 4px;
            height: calc(100% - 10px);
            background: var(--brand-green);
            border-radius: 2px;
        }
        .article-body h3 {
            font-size: 18px;
            font-weight: 600;
            margin-top: 1.8em;
            margin-bottom: 0.8em;
            line-height: 1.5;
        }
        .article-body ul,
        .article-body ol {
            margin: 1em 0 1.5em;
            padding-left: 1.5em;
        }
        .article-body ul li,
        .article-body ol li {
            margin-bottom: 0.6em;
        }
        .article-body ul li::marker {
            color: var(--brand-green);
        }
        .article-body ol li::marker {
            color: var(--brand-green);
            font-weight: 600;
        }
        .article-body blockquote {
            border-left: 4px solid var(--brand-green);
            background: rgba(13, 122, 77, 0.04);
            padding: 20px 24px;
            margin: 1.8em 0;
            border-radius: 0 10px 10px 0;
            color: var(--text-secondary);
            font-style: normal;
        }
        .article-body blockquote p:last-child {
            margin-bottom: 0;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.8em 0;
            font-size: 15px;
        }
        .article-body table th,
        .article-body table td {
            border: 1px solid var(--border-light);
            padding: 12px 16px;
            text-align: left;
        }
        .article-body table th {
            background: rgba(13, 122, 77, 0.06);
            font-weight: 600;
            color: var(--brand-dark);
        }
        .article-body table tr:nth-child(even) td {
            background: rgba(242, 245, 239, 0.4);
        }
        .article-body img {
            border-radius: 10px;
            margin: 1.5em 0;
            box-shadow: var(--shadow-card);
        }
        .article-body a {
            color: var(--brand-green);
            text-decoration: underline;
            text-underline-offset: 4px;
        }
        .article-body a:hover {
            color: var(--brand-dark);
        }
        .article-body hr {
            border: none;
            border-top: 1px solid var(--border-light);
            margin: 2.2em 0;
        }

        /* ===== 文章标签 ===== */
        .article-tags {
            margin-top: 40px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
            max-width: 760px;
            margin-left: auto;
            margin-right: auto;
        }
        .tag-item {
            display: inline-block;
            background: var(--page-bg);
            border: 1px solid var(--border-light);
            color: var(--text-secondary);
            font-size: 13px;
            padding: 6px 16px;
            border-radius: 999px;
            transition: var(--transition);
        }
        .tag-item:hover {
            background: rgba(13, 122, 77, 0.08);
            border-color: var(--brand-green);
            color: var(--brand-green);
        }

        /* ===== 内容未找到 ===== */
        .article-empty {
            text-align: center;
            padding: 80px 0 60px;
        }
        .article-empty .empty-icon {
            font-size: 52px;
            color: var(--border-light);
            margin-bottom: 20px;
        }
        .article-empty h2 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .article-empty p {
            color: var(--text-secondary);
            margin-bottom: 28px;
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            margin-bottom: 40px;
        }
        .section-title {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 24px;
            position: relative;
            padding-left: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-primary);
        }
        .section-title::before {
            content: "";
            width: 4px;
            height: 24px;
            background: var(--accent-lime);
            border-radius: 2px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--panel-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: block;
            color: var(--text-primary);
            height: 100%;
        }
        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            color: var(--text-primary);
        }
        .rc-cover {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--border-light);
        }
        .rc-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .related-card:hover .rc-cover img {
            transform: scale(1.06);
        }
        .rc-info {
            padding: 20px;
        }
        .rc-info h3 {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 44px;
        }
        .rc-date {
            font-size: 12px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .rc-date i {
            color: var(--brand-green);
        }

        /* ===== 返回按钮 ===== */
        .back-bar {
            display: flex;
            gap: 16px;
            justify-content: center;
            padding: 4px 0 20px;
            flex-wrap: wrap;
        }

        /* ===== 按钮 ===== */
        .btn {
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            padding: 11px 26px;
            transition: var(--transition);
            border: 2px solid transparent;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            justify-content: center;
            cursor: pointer;
        }
        .btn-green {
            background: var(--brand-green);
            color: #fff;
            border-color: var(--brand-green);
        }
        .btn-green:hover {
            background: #095d3a;
            border-color: #095d3a;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(13, 122, 77, 0.2);
        }
        .btn-outline-brand {
            background: transparent;
            border-color: var(--brand-green);
            color: var(--brand-green);
        }
        .btn-outline-brand:hover {
            background: rgba(13, 122, 77, 0.08);
            border-color: var(--brand-dark);
            color: var(--brand-dark);
        }
        .btn-lime {
            background: var(--accent-lime);
            color: var(--brand-dark);
            border-color: var(--accent-lime);
        }
        .btn-lime:hover {
            background: #c6e32a;
            border-color: #c6e32a;
            color: var(--brand-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(215, 245, 46, 0.2);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 56px 48px 32px;
            position: relative;
        }
        .site-footer::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--accent-lime);
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
        }
        .footer-top {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: space-between;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 24px;
        }
        .footer-brand {
            max-width: 380px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-logo .brand-icon {
            width: 36px;
            height: 36px;
            font-size: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.7;
        }
        .footer-links {
            display: flex;
            gap: 64px;
            flex-wrap: wrap;
        }
        .fl-group h6 {
            color: rgba(255, 255, 255, 0.4);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .fl-group a {
            display: block;
            color: rgba(255, 255, 255, 0.72);
            font-size: 14px;
            padding: 5px 0;
            transition: var(--transition);
        }
        .fl-group a:hover {
            color: var(--accent-lime);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

        /* ===== 响应式 ===== */
        @media (min-width: 768px) {
            .side-menu.collapse {
                display: flex !important;
                flex-direction: column;
                flex: 1;
            }
        }

        @media (max-width: 991px) and (min-width: 768px) {
            .side-nav {
                width: 72px;
                padding: 28px 12px 20px;
            }
            .side-brand {
                justify-content: center;
                padding: 8px 0 20px;
            }
            .brand-name,
            .side-menu a .link-label,
            .side-cta .link-label,
            .side-meta {
                display: none;
            }
            .side-menu a {
                justify-content: center;
                padding: 14px;
                font-size: 18px;
            }
            .side-menu a i {
                margin: 0;
            }
            .side-cta {
                font-size: 18px;
                padding: 10px;
            }
            .page-wrap {
                margin-left: 72px;
            }
        }

        @media (max-width: 767px) {
            .side-nav {
                position: sticky;
                top: 0;
                width: 100%;
                height: auto;
                padding: 12px 16px;
                display: flex;
                flex-direction: row;
                flex-wrap: wrap;
                align-items: center;
                gap: 0;
            }
            .side-brand {
                width: 100%;
                justify-content: space-between;
                padding: 0;
                margin-bottom: 0;
                border-bottom: none;
            }
            .topbar-toggler {
                display: inline-flex;
            }
            .side-menu.collapse {
                width: 100%;
                margin-top: 12px;
            }
            .side-menu.collapse:not(.show) {
                display: none;
            }
            .side-menu.collapse.show {
                display: flex;
                flex-direction: column;
            }
            .side-foot {
                display: none;
            }
            .page-wrap {
                margin-left: 0;
            }
            .main-content {
                padding: 24px 16px 40px;
            }
            .article-card {
                padding: 28px 20px;
            }
            .article-header h1 {
                font-size: 24px;
            }
            .article-meta {
                gap: 10px;
            }
            .article-cover {
                aspect-ratio: 4 / 3;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .site-footer {
                padding: 40px 20px 24px;
            }
            .footer-top {
                flex-direction: column;
                gap: 32px;
            }
            .footer-links {
                gap: 32px;
            }
            .back-bar {
                flex-direction: column;
                align-items: stretch;
            }
            .back-bar .btn {
                width: 100%;
            }
            .breadcrumb-nav .breadcrumb-item.active {
                max-width: 220px;
            }
        }

/* roulang page: category2 */
:root {
    --page-bg: #F2F5EF;
    --panel-bg: #FFFFFF;
    --brand-green: #0D7A4D;
    --brand-dark: #16261E;
    --accent-lime: #D7F52E;
    --accent-amber: #F7B32B;
    --text-primary: #26332B;
    --text-secondary: #657358;
    --border-light: #DCE5DA;
    --success: #2B9A66;
    --error: #D64545;
    --warning: #F0A500;
    --radius-card: 12px;
    --radius-btn: 10px;
    --radius-input: 8px;
    --radius-badge: 999px;
    --shadow-card: 0 2px 8px rgba(22, 38, 30, 0.08);
    --shadow-hover: 0 8px 24px rgba(22, 38, 30, 0.12);
    --s-1: 8px;
    --s-2: 16px;
    --s-3: 24px;
    --s-4: 32px;
    --s-5: 48px;
    --s-6: 64px;
    --s-7: 96px;
}
*,
*::before,
*::after {
    box-sizing: border-box;
}
html,
body {
    margin: 0;
    padding: 0;
}
body {
    font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
    background: var(--page-bg);
    color: var(--text-primary);
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
a {
    color: inherit;
    text-decoration: none;
}
a:hover {
    color: var(--brand-green);
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
button,
input,
select,
textarea {
    font-family: inherit;
}
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    line-height: 1.3;
    margin-top: 0;
}
h1 {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 800;
}
h2 {
    font-size: clamp(22px, 2.6vw, 32px);
    font-weight: 700;
}
h3 {
    font-size: 18px;
    font-weight: 600;
}
p {
    margin-bottom: 1rem;
}
.btn {
    border-radius: var(--radius-btn);
    padding: 12px 28px;
    font-weight: 700;
    font-size: 15px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 2px solid transparent;
    transition: all 0.22s ease;
    line-height: 1.4;
}
.btn:focus {
    outline: 2px solid rgba(215, 245, 46, 0.8);
    outline-offset: 2px;
}
.btn-lime {
    background: var(--accent-lime);
    color: var(--brand-dark);
    border-color: var(--accent-lime);
}
.btn-lime:hover {
    background: var(--brand-green);
    color: #fff;
    border-color: var(--brand-green);
    transform: translateY(-2px);
}
.btn-lime:active {
    transform: translateY(0);
    box-shadow: none;
}
.btn-outline-light {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.65);
    color: #fff;
}
.btn-outline-light:hover {
    background: var(--accent-lime);
    color: var(--brand-dark);
    border-color: var(--accent-lime);
    transform: translateY(-2px);
}
.btn-outline-light:active {
    transform: translateY(0);
    box-shadow: none;
}
.side-rail {
    background: var(--brand-dark);
    color: rgba(255, 255, 255, 0.72);
}
.rail-brand {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--s-3) var(--s-3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
@media (min-width: 768px) {
    .rail-brand {
        border-bottom: none;
    }
}
.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
    font-weight: 800;
    font-size: 18px;
    letter-spacing: 0.2px;
}
.brand-logo:hover {
    color: var(--accent-lime);
}
.brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--accent-lime);
    color: var(--brand-dark);
    border-radius: 10px;
    font-weight: 800;
    font-size: 16px;
    letter-spacing: -1px;
    flex-shrink: 0;
}
.hamburger-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 8px;
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.2s;
}
.hamburger-btn:hover {
    border-color: var(--accent-lime);
    color: var(--accent-lime);
}
.side-menu {
    display: flex;
    flex-direction: column;
    padding: var(--s-2);
    gap: 4px;
}
.side-menu a {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 13px 16px;
    border-radius: 10px;
    color: rgba(255, 255, 255, 0.78);
    font-size: 15px;
    font-weight: 500;
    position: relative;
    transition: all 0.18s ease;
}
.side-menu a i {
    width: 20px;
    text-align: center;
    font-size: 16px;
    flex-shrink: 0;
}
.side-menu a:hover {
    background: rgba(255, 255, 255, 0.07);
    color: #fff;
}
.side-menu a:focus-visible {
    outline: 2px solid var(--accent-lime);
    outline-offset: -2px;
}
.side-menu a.active {
    background: rgba(215, 245, 46, 0.12);
    color: var(--accent-lime);
    font-weight: 700;
}
.side-menu a.active::before {
    content: "";
    position: absolute;
    left: 0;
    top: 20%;
    bottom: 20%;
    width: 3px;
    background: var(--accent-lime);
    border-radius: 0 4px 4px 0;
}
.rail-footer {
    margin-top: auto;
    padding: var(--s-3) var(--s-3) var(--s-4);
    display: flex;
    flex-direction: column;
    gap: var(--s-2);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.qr-box {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 10px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.65);
}
.qr-box i {
    font-size: 22px;
    color: var(--accent-lime);
}
.support-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}
.support-link:hover {
    color: var(--accent-lime);
}
.main-area {
    min-height: 80vh;
}
.cat-hero {
    position: relative;
    min-height: 380px;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    padding: var(--s-6) var(--s-4);
}
.cat-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, rgba(22, 38, 30, 0.92) 15%, rgba(13, 122, 77, 0.82) 58%, rgba(22, 38, 30, 0.5) 100%);
}
.cat-hero-inner {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
}
.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
}
.breadcrumb-nav a {
    color: rgba(255, 255, 255, 0.85);
    transition: color 0.18s;
}
.breadcrumb-nav a:hover {
    color: var(--accent-lime);
}
.breadcrumb-nav .sep {
    color: rgba(255, 255, 255, 0.45);
}
.hero-lead {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.88);
    max-width: 560px;
    margin-bottom: var(--s-4);
    line-height: 1.75;
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s-2);
}
.cat-section {
    padding: var(--s-6) 0;
}
.cat-section .container-fluid {
    max-width: 1280px;
}
.section-heading {
    margin-bottom: var(--s-4);
}
.section-heading h2 {
    margin-bottom: 8px;
}
.section-heading p {
    color: var(--text-secondary);
    font-size: 15px;
    margin-bottom: 0;
}
.feature-card {
    background: var(--panel-bg);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
    padding: var(--s-3);
    height: 100%;
    transition: box-shadow 0.25s ease, transform 0.25s ease;
    display: flex;
    gap: 16px;
    align-items: flex-start;
}
.feature-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}
.feature-icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(13, 122, 77, 0.1);
    color: var(--brand-green);
    border-radius: 14px;
    font-size: 22px;
}
.feature-card h3 {
    font-size: 18px;
    margin-bottom: 6px;
}
.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 0;
}
.recommend-card {
    background: var(--panel-bg);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    overflow: hidden;
    height: 100%;
    transition: all 0.28s ease;
    display: flex;
    flex-direction: column;
}
.recommend-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}
.recommend-thumb {
    position: relative;
    height: 210px;
    overflow: hidden;
    flex-shrink: 0;
}
.recommend-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
}
.recommend-card:hover .recommend-thumb img {
    transform: scale(1.05);
}
.rec-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: var(--accent-lime);
    color: var(--brand-dark);
    font-size: 12px;
    font-weight: 700;
    padding: 5px 14px;
    border-radius: 999px;
    letter-spacing: 0.3px;
}
.recommend-body {
    padding: 20px 22px 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.recommend-body h3 {
    font-size: 19px;
    margin-bottom: 8px;
}
.recommend-body p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.7;
    flex: 1;
}
.text-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--brand-green);
    font-weight: 600;
    font-size: 14px;
    transition: gap 0.2s, color 0.2s;
}
.text-link:hover {
    gap: 10px;
    color: var(--brand-dark);
}
.topic-card {
    background: var(--panel-bg);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
    padding: 24px 18px;
    text-align: center;
    height: 100%;
    transition: all 0.25s ease;
}
.topic-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    border-color: rgba(13, 122, 77, 0.25);
}
.topic-card i {
    font-size: 28px;
    color: var(--brand-green);
    background: rgba(13, 122, 77, 0.1);
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}
.topic-card h3 {
    font-size: 16px;
    margin-bottom: 4px;
}
.topic-card p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 0;
    line-height: 1.6;
}
.cat-faq-bg {
    background: #fff;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}
.faq-wrap {
    max-width: 880px;
}
.faq-wrap .accordion {
    --bs-accordion-bg: var(--panel-bg);
    --bs-accordion-border-color: var(--border-light);
    --bs-accordion-border-radius: var(--radius-card);
    --bs-accordion-color: var(--text-primary);
    --bs-accordion-active-bg: #fff;
    --bs-accordion-active-color: var(--brand-green);
    --bs-accordion-btn-focus-box-shadow: none;
    --bs-accordion-btn-padding-y: 20px;
}
.faq-wrap .accordion-item {
    border: 1px solid var(--border-light) !important;
    border-radius: 12px !important;
    margin-bottom: 12px;
    overflow: hidden;
}
.faq-wrap .accordion-button {
    background: var(--panel-bg);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 16px;
    padding: 20px 24px;
    border: none;
    box-shadow: none;
    display: flex;
    align-items: center;
    gap: 12px;
}
.faq-wrap .accordion-button:not(.collapsed) {
    background: #F6FAF4;
    color: var(--brand-green);
    box-shadow: none;
}
.faq-wrap .accordion-button:focus {
    box-shadow: 0 0 0 4px rgba(13, 122, 77, 0.12);
    border-radius: 10px;
}
.faq-wrap .accordion-button::after {
    display: none;
}
.faq-icon {
    margin-left: auto;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: rgba(13, 122, 77, 0.1);
    color: var(--brand-green);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.25s ease;
}
.faq-icon i {
    transition: transform 0.25s ease;
    font-size: 14px;
}
.faq-wrap .accordion-button[aria-expanded="true"] .faq-icon {
    background: var(--brand-green);
    color: var(--accent-lime);
}
.faq-wrap .accordion-button[aria-expanded="true"] .faq-icon i {
    transform: rotate(135deg);
}
.faq-wrap .accordion-body {
    padding: 4px 24px 22px;
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.75;
}
.cat-cta {
    background: var(--brand-dark);
    padding: var(--s-6) var(--s-3);
    color: #fff;
    text-align: center;
}
.cta-inner {
    max-width: 720px;
    margin: 0 auto;
}
.cta-inner h2 {
    color: #fff;
    font-size: clamp(22px, 3vw, 32px);
}
.cta-inner p {
    color: rgba(255, 255, 255, 0.82);
    font-size: 15px;
    margin-bottom: 32px;
}
.site-footer {
    background: var(--brand-dark);
    color: #e8efe9;
    padding-top: 48px;
}
.footer-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--s-3);
}
.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--s-4);
    padding-bottom: var(--s-4);
    border-bottom: 1px solid rgba(215, 245, 46, 0.18);
}
.footer-brand {
    max-width: 320px;
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
}
.footer-brand p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.62);
    margin: 0;
    line-height: 1.7;
}
.footer-links {
    display: flex;
    gap: 56px;
    flex-wrap: wrap;
}
.fl-group h6 {
    color: var(--accent-lime);
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: 0.4px;
}
.fl-group a {
    display: block;
    color: rgba(255, 255, 255, 0.72);
    font-size: 14px;
    padding: 5px 0;
    transition: color 0.18s, padding-left 0.18s;
}
.fl-group a:hover {
    color: #fff;
    padding-left: 6px;
}
.footer-bottom {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding: 24px 0 36px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.45);
}
@media (min-width: 768px) {
    .side-rail {
        position: fixed;
        top: 0;
        left: 0;
        width: 240px;
        height: 100vh;
        z-index: 1030;
        display: flex;
        flex-direction: column;
        padding: var(--s-2) 0;
    }
    .rail-brand {
        padding: var(--s-3) var(--s-3) var(--s-2);
        border-bottom: none;
    }
    .side-menu {
        padding: var(--s-2) var(--s-2);
        display: flex !important;
    }
    .side-menu.collapse {
        display: flex;
    }
    .site-footer,
    .main-area {
        margin-left: 240px;
    }
}
@media (min-width: 768px) and (max-width: 991.98px) {
    .side-rail {
        width: 78px;
        padding: var(--s-2) 0;
    }
    .rail-brand {
        justify-content: center;
        padding: var(--s-3) 0;
    }
    .brand-text,
    .brand-logo .brand-text {
        display: none;
    }
    .side-menu {
        padding: var(--s-1) 6px;
        gap: 4px;
    }
    .side-menu a {
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 4px;
        padding: 14px 4px;
        font-size: 11px;
        text-align: center;
    }
    .side-menu a i {
        width: auto;
        font-size: 19px;
        margin-bottom: 2px;
    }
    .side-menu a .link-label {
        display: block;
        font-size: 10px;
        white-space: nowrap;
    }
    .side-menu a.active::before {
        left: 0;
        right: auto;
        top: 15%;
        bottom: 15%;
        width: 3px;
    }
    .rail-footer {
        display: none;
    }
    .main-area,
    .site-footer {
        margin-left: 78px;
    }
}
@media (max-width: 767.98px) {
    .side-rail {
        position: sticky;
        top: 0;
        width: 100%;
        z-index: 1040;
    }
    .side-rail {
        display: block;
    }
    .rail-brand {
        padding: 12px var(--s-3);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .brand-logo {
        font-size: 16px;
    }
    .brand-icon {
        width: 34px;
        height: 34px;
        font-size: 14px;
    }
    .side-menu {
        padding: 10px 12px 16px;
        gap: 2px;
    }
    .side-menu a {
        padding: 12px 14px;
        font-size: 15px;
    }
    .side-menu a:focus-visible {
        outline-color: var(--accent-lime);
    }
    .rail-footer {
        display: none;
    }
    .main-area,
    .site-footer {
        margin-left: 0;
    }
    .cat-hero {
        min-height: 330px;
        padding: var(--s-5) var(--s-3);
    }
    .hero-lead {
        font-size: 15px;
    }
    .cat-section {
        padding: var(--s-4) 0;
    }
    .section-heading {
        margin-bottom: var(--s-3);
    }
    .feature-card {
        padding: var(--s-2);
        flex-direction: column;
    }
    .feature-icon {
        width: 46px;
        height: 46px;
        font-size: 19px;
    }
    .recommend-thumb {
        height: 180px;
    }
    .footer-top {
        flex-direction: column;
        gap: var(--s-3);
    }
    .footer-links {
        gap: var(--s-4);
    }
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}
@media (max-width: 575.98px) {
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .hero-actions .btn {
        width: 100%;
    }
    .recommend-thumb {
        height: 160px;
    }
    .topic-card {
        padding: 16px 12px;
    }
    .topic-card i {
        width: 46px;
        height: 46px;
        font-size: 22px;
        margin-bottom: 8px;
    }
}