/* roulang page: index */
:root {
            --hth-primary: #142621;
            --hth-primary-2: #162A24;
            --hth-accent: #B8793F;
            --hth-accent-light: #C0864C;
            --hth-background: #F4F0E8;
            --hth-background-alt: #F5F2EB;
            --hth-text: #1C1E1E;
            --hth-text-muted: #6B6F6D;
            --hth-line: #E2DDD3;
            --hth-red: #B34A2E;
            --hth-white: #FFFFFF;
            --hth-shadow-sm: 0 8px 30px rgba(0, 0, 0, 0.06);
            --hth-shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
            --hth-radius-card: 16px;
            --hth-radius-btn: 8px;
            --hth-radius-pill: 24px;
            --hth-font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', Arial, sans-serif;
            --hth-font-num: 'Inter', 'SF Pro Display', 'Segoe UI', Arial, sans-serif;
            --hth-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--hth-font-sans);
            background-color: var(--hth-background);
            color: var(--hth-text);
            line-height: 1.85;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--hth-primary);
            text-decoration: none;
            transition: color var(--hth-transition);
        }
        a:hover {
            color: var(--hth-accent);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 1rem;
        }
        button:focus,
        input:focus,
        select:focus,
        textarea:focus,
        a:focus {
            outline: 2px solid var(--hth-accent);
            outline-offset: 2px;
        }
        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(244, 240, 232, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--hth-line);
            transition: box-shadow var(--hth-transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 16px;
            flex-wrap: nowrap;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.55rem;
            color: var(--hth-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .brand-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: var(--hth-primary);
            color: var(--hth-accent);
            border-radius: 10px;
            font-size: 1.2rem;
            line-height: 1;
        }
        .brand-logo span.logo-text {
            color: var(--hth-primary);
        }
        .brand-logo .logo-text .accent {
            color: var(--hth-accent);
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 4px 0;
            flex-shrink: 1;
            min-width: 0;
        }
        .nav-chips::-webkit-scrollbar {
            display: none;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--hth-radius-pill);
            border: 1.5px solid var(--hth-line);
            background: transparent;
            color: var(--hth-text-muted);
            font-size: 0.9rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--hth-transition);
            cursor: pointer;
            flex-shrink: 0;
        }
        .nav-chip:hover {
            border-color: var(--hth-accent);
            color: var(--hth-accent);
            background: rgba(184, 121, 63, 0.06);
        }
        .nav-chip.active {
            background: var(--hth-primary);
            border-color: var(--hth-primary);
            color: var(--hth-white);
            box-shadow: 0 4px 14px rgba(20, 38, 33, 0.25);
        }
        .header-cta {
            flex-shrink: 0;
        }
        .btn-header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--hth-primary);
            color: var(--hth-white);
            border: none;
            padding: 10px 20px;
            border-radius: var(--hth-radius-pill);
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--hth-transition);
            white-space: nowrap;
        }
        .btn-header-cta:hover {
            background: var(--hth-accent);
            color: var(--hth-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(184, 121, 63, 0.35);
        }

        /* ===== Hero Section ===== */
        .hero-section {
            position: relative;
            min-height: 82vh;
            display: flex;
            align-items: center;
            padding: 0 0 60px;
            background: linear-gradient(135deg, rgba(20, 38, 33, 0.92) 0%, rgba(22, 42, 36, 0.82) 45%, rgba(20, 38, 33, 0.9) 100%),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            color: var(--hth-white);
            overflow: hidden;
            isolation: isolate;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.15;
            z-index: -1;
            pointer-events: none;
        }
        .hero-countdown-bar {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(179, 74, 46, 0.92);
            padding: 12px 24px;
            text-align: center;
            font-weight: 700;
            font-size: 0.92rem;
            letter-spacing: 0.04em;
            z-index: 5;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .hero-countdown-bar .countdown-timer {
            display: inline-flex;
            gap: 6px;
            align-items: center;
            background: rgba(0, 0, 0, 0.2);
            border-radius: var(--hth-radius-pill);
            padding: 4px 14px;
            font-family: var(--hth-font-num);
            font-weight: 800;
            font-size: 1rem;
            letter-spacing: 0.04em;
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
            width: 100%;
            padding-top: 70px;
        }
        .hero-content {
            padding-right: 12px;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(184, 121, 63, 0.18);
            border: 1px solid rgba(184, 121, 63, 0.5);
            color: var(--hth-accent-light);
            padding: 6px 16px;
            border-radius: var(--hth-radius-pill);
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            margin-bottom: 20px;
            text-transform: uppercase;
        }
        .hero-title {
            font-size: 3.6rem;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.03em;
            margin-bottom: 20px;
            color: var(--hth-white);
        }
        .hero-title .highlight {
            color: var(--hth-accent-light);
        }
        .hero-subtitle {
            font-size: 1.12rem;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            max-width: 560px;
        }
        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--hth-accent);
            color: var(--hth-white);
            border: none;
            padding: 14px 30px;
            border-radius: var(--hth-radius-pill);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--hth-transition);
            box-shadow: 0 8px 28px rgba(184, 121, 63, 0.35);
        }
        .btn-hero-primary:hover {
            background: #9d6534;
            color: var(--hth-white);
            transform: translateY(-3px);
            box-shadow: 0 14px 36px rgba(184, 121, 63, 0.45);
        }
        .btn-hero-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--hth-white);
            border: 1.5px solid rgba(255, 255, 255, 0.55);
            padding: 14px 28px;
            border-radius: var(--hth-radius-pill);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--hth-transition);
        }
        .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--hth-white);
            color: var(--hth-white);
            transform: translateY(-3px);
        }
        .hero-data-row {
            display: flex;
            gap: 30px;
            margin-top: 28px;
            flex-wrap: wrap;
        }
        .hero-data-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-data-item .data-number {
            font-size: 1.7rem;
            font-weight: 900;
            font-family: var(--hth-font-num);
            color: var(--hth-accent-light);
            line-height: 1.2;
        }
        .hero-data-item .data-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.7);
        }

        .hero-promo-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--hth-radius-card);
            padding: 24px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
            transition: all var(--hth-transition);
        }
        .hero-promo-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
            box-shadow: 0 28px 60px rgba(0, 0, 0, 0.3);
        }
        .hero-promo-card .promo-image {
            border-radius: 12px;
            overflow: hidden;
            margin-bottom: 16px;
            aspect-ratio: 16/10;
            background: rgba(0, 0, 0, 0.2);
        }
        .hero-promo-card .promo-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero-promo-card .promo-tag {
            display: inline-block;
            background: var(--hth-red);
            color: var(--hth-white);
            padding: 3px 12px;
            border-radius: 4px;
            font-size: 0.72rem;
            font-weight: 800;
            letter-spacing: 0.05em;
            margin-bottom: 10px;
        }
        .hero-promo-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--hth-white);
            margin-bottom: 6px;
        }
        .hero-promo-card p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 14px;
        }
        .hero-promo-card .promo-price {
            font-family: var(--hth-font-num);
            font-size: 1.6rem;
            font-weight: 900;
            color: var(--hth-accent-light);
            margin-bottom: 4px;
        }
        .hero-promo-card .promo-price-old {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.45);
            text-decoration: line-through;
            margin-right: 8px;
        }
        .btn-promo {
            display: inline-flex;
            width: 100%;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--hth-white);
            color: var(--hth-primary);
            border: none;
            padding: 12px 20px;
            border-radius: var(--hth-radius-btn);
            font-weight: 800;
            font-size: 0.95rem;
            transition: all var(--hth-transition);
            margin-top: 10px;
        }
        .btn-promo:hover {
            background: var(--hth-accent-light);
            color: var(--hth-white);
            transform: translateY(-2px);
        }

        /* ===== General Section ===== */
        .section-block {
            padding: 96px 0;
            position: relative;
        }
        .section-block.section-alt {
            background: var(--hth-background-alt);
        }
        .section-block.section-dark {
            background: var(--hth-primary);
            color: var(--hth-white);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 800;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--hth-accent);
            margin-bottom: 12px;
        }
        .section-label .label-line {
            display: inline-block;
            width: 32px;
            height: 2px;
            background: var(--hth-accent);
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 14px;
            color: var(--hth-primary);
        }
        .section-dark .section-title {
            color: var(--hth-white);
        }
        .section-desc {
            font-size: 1.02rem;
            color: var(--hth-text-muted);
            line-height: 1.85;
            margin-bottom: 40px;
            max-width: 720px;
        }
        .section-dark .section-desc {
            color: rgba(255, 255, 255, 0.75);
        }

        /* ===== Buttons ===== */
        .btn-outline-hth {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1.5px solid var(--hth-primary);
            color: var(--hth-primary);
            padding: 12px 26px;
            border-radius: var(--hth-radius-btn);
            font-weight: 700;
            font-size: 0.92rem;
            transition: all var(--hth-transition);
        }
        .btn-outline-hth:hover {
            background: var(--hth-primary);
            color: var(--hth-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(20, 38, 33, 0.2);
        }
        .btn-primary-hth {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--hth-primary);
            color: var(--hth-white);
            border: none;
            padding: 14px 30px;
            border-radius: var(--hth-radius-btn);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--hth-transition);
        }
        .btn-primary-hth:hover {
            background: var(--hth-accent);
            color: var(--hth-white);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(184, 121, 63, 0.35);
        }
        .btn-accent-hth {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--hth-accent);
            color: var(--hth-white);
            border: none;
            padding: 14px 30px;
            border-radius: var(--hth-radius-btn);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--hth-transition);
        }
        .btn-accent-hth:hover {
            background: #9d6534;
            color: var(--hth-white);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(184, 121, 63, 0.35);
        }

        /* ===== Member Benefits ===== */
        .benefits-grid {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 40px;
            align-items: start;
        }
        .benefits-cards {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .benefit-card {
            background: var(--hth-white);
            border: 1px solid var(--hth-line);
            border-radius: var(--hth-radius-card);
            padding: 24px;
            box-shadow: var(--hth-shadow-sm);
            transition: all var(--hth-transition);
            position: relative;
            overflow: hidden;
        }
        .benefit-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--hth-accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--hth-transition);
        }
        .benefit-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--hth-shadow-lg);
            border-color: var(--hth-accent-light);
        }
        .benefit-card:hover::after {
            transform: scaleX(1);
        }
        .benefit-card .benefit-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            background: rgba(184, 121, 63, 0.12);
            color: var(--hth-accent);
            border-radius: 12px;
            font-size: 1.3rem;
            margin-bottom: 14px;
            transition: all var(--hth-transition);
        }
        .benefit-card:hover .benefit-icon {
            background: var(--hth-accent);
            color: var(--hth-white);
        }
        .benefit-card .benefit-image {
            border-radius: 12px;
            overflow: hidden;
            margin-bottom: 14px;
            aspect-ratio: 16/9;
            background: var(--hth-background-alt);
        }
        .benefit-card .benefit-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        .benefit-card:hover .benefit-image img {
            transform: scale(1.04);
        }
        .benefit-card h4 {
            font-size: 1.12rem;
            font-weight: 800;
            color: var(--hth-primary);
            margin-bottom: 6px;
        }
        .benefit-card p {
            font-size: 0.9rem;
            color: var(--hth-text-muted);
            line-height: 1.75;
            margin: 0;
        }
        .benefits-note {
            background: var(--hth-primary);
            color: var(--hth-white);
            border-radius: var(--hth-radius-card);
            padding: 30px;
            margin-top: 30px;
            border-left: 4px solid var(--hth-accent);
        }
        .benefits-note p {
            margin: 0;
            font-size: 0.95rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
        }

        /* ===== Price Comparison ===== */
        .price-table {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0;
            border-radius: var(--hth-radius-card);
            overflow: hidden;
            box-shadow: var(--hth-shadow-sm);
            border: 1px solid var(--hth-line);
            background: var(--hth-white);
        }
        .price-tier {
            padding: 30px 26px;
            text-align: left;
            border-right: 1px solid var(--hth-line);
            transition: all var(--hth-transition);
            position: relative;
        }
        .price-tier:last-child {
            border-right: none;
        }
        .price-tier:hover {
            background: #faf8f4;
        }
        .price-tier.featured {
            background: var(--hth-primary);
            color: var(--hth-white);
            border-right-color: var(--hth-primary);
        }
        .price-tier.featured:hover {
            background: var(--hth-primary-2);
        }
        .price-tier .tier-badge {
            display: inline-block;
            background: var(--hth-accent);
            color: var(--hth-white);
            padding: 3px 12px;
            border-radius: 4px;
            font-size: 0.7rem;
            font-weight: 800;
            letter-spacing: 0.05em;
            margin-bottom: 10px;
        }
        .price-tier .tier-name {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--hth-primary);
            margin-bottom: 6px;
        }
        .price-tier.featured .tier-name {
            color: var(--hth-white);
        }
        .price-tier .tier-price {
            font-size: 2.2rem;
            font-weight: 900;
            font-family: var(--hth-font-num);
            color: var(--hth-accent);
            margin-bottom: 12px;
        }
        .price-tier.featured .tier-price {
            color: var(--hth-accent-light);
        }
        .price-tier .tier-desc {
            font-size: 0.88rem;
            color: var(--hth-text-muted);
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .price-tier.featured .tier-desc {
            color: rgba(255, 255, 255, 0.75);
        }
        .tier-features {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }
        .tier-features li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--hth-text);
            padding: 6px 0;
        }
        .price-tier.featured .tier-features li {
            color: rgba(255, 255, 255, 0.9);
        }
        .tier-features li i {
            color: var(--hth-accent);
            font-size: 0.85rem;
        }
        .price-tier.featured .tier-features li i {
            color: var(--hth-accent-light);
        }
        .btn-tier {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            width: 100%;
            justify-content: center;
            background: var(--hth-primary);
            color: var(--hth-white);
            border: none;
            padding: 12px 16px;
            border-radius: var(--hth-radius-btn);
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--hth-transition);
        }
        .btn-tier:hover {
            background: var(--hth-accent);
            color: var(--hth-white);
            transform: translateY(-2px);
        }
        .price-tier.featured .btn-tier {
            background: var(--hth-accent);
        }
        .price-tier.featured .btn-tier:hover {
            background: var(--hth-accent-light);
        }
        .price-note {
            text-align: center;
            color: var(--hth-text-muted);
            font-size: 0.85rem;
            margin-top: 16px;
        }

        /* ===== News Section ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-bottom: 24px;
        }
        .news-item {
            display: flex;
            gap: 20px;
            align-items: center;
            background: var(--hth-white);
            border: 1px solid var(--hth-line);
            border-radius: 12px;
            padding: 18px 22px;
            transition: all var(--hth-transition);
            cursor: pointer;
        }
        .news-item:hover {
            background: #faf8f4;
            border-color: var(--hth-accent-light);
            transform: translateX(6px);
            box-shadow: var(--hth-shadow-sm);
        }
        .news-item .news-date {
            flex-shrink: 0;
            text-align: center;
            background: var(--hth-primary);
            color: var(--hth-white);
            border-radius: 8px;
            padding: 8px 14px;
            min-width: 70px;
        }
        .news-item .news-date .day {
            font-size: 1.5rem;
            font-weight: 900;
            font-family: var(--hth-font-num);
            line-height: 1.2;
        }
        .news-item .news-date .mon {
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.8);
        }
        .news-item .news-body {
            flex: 1;
            min-width: 0;
        }
        .news-item .news-title {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--hth-primary);
            margin-bottom: 4px;
        }
        .news-item .news-summary {
            font-size: 0.88rem;
            color: var(--hth-text-muted);
            line-height: 1.6;
            margin: 0;
        }
        .news-item .btn-read {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--hth-accent);
            background: transparent;
            border: 1px solid var(--hth-accent-light);
            border-radius: var(--hth-radius-pill);
            padding: 7px 16px;
            transition: all var(--hth-transition);
        }
        .news-item .btn-read:hover {
            background: var(--hth-accent);
            color: var(--hth-white);
        }
        .news-item:hover .btn-read i {
            transform: translateX(3px);
        }
        .news-item .btn-read i {
            transition: transform var(--hth-transition);
        }

        /* ===== Task Progress ===== */
        .task-progress-panel {
            background: var(--hth-white);
            border: 1px solid var(--hth-line);
            border-radius: var(--hth-radius-card);
            padding: 32px;
            box-shadow: var(--hth-shadow-sm);
            margin-bottom: 30px;
        }
        .task-step {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 16px 0;
            border-bottom: 1px solid var(--hth-line);
            position: relative;
        }
        .task-step:last-child {
            border-bottom: none;
        }
        .task-step .step-indicator {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--hth-background-alt);
            color: var(--hth-text-muted);
            border-radius: 50%;
            font-weight: 900;
            font-family: var(--hth-font-num);
            flex-shrink: 0;
            transition: all var(--hth-transition);
            border: 2px solid var(--hth-line);
        }
        .task-step.completed .step-indicator {
            background: var(--hth-primary);
            color: var(--hth-white);
            border-color: var(--hth-primary);
        }
        .task-step .step-content h5 {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--hth-primary);
            margin-bottom: 4px;
        }
        .task-step .step-content p {
            font-size: 0.88rem;
            color: var(--hth-text-muted);
            margin: 0;
            line-height: 1.7;
        }
        .task-step .step-reward {
            margin-left: auto;
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(184, 121, 63, 0.1);
            color: var(--hth-accent);
            padding: 5px 14px;
            border-radius: var(--hth-radius-pill);
            font-size: 0.8rem;
            font-weight: 700;
        }
        .task-progress-bar {
            height: 8px;
            background: var(--hth-background-alt);
            border-radius: 8px;
            overflow: hidden;
            margin-bottom: 20px;
        }
        .task-progress-bar .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--hth-primary), var(--hth-accent));
            border-radius: 8px;
            width: 68%;
            transition: width 1s ease;
        }

        /* ===== Collection Directory ===== */
        .collection-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .collection-card {
            background: var(--hth-white);
            border: 1px solid var(--hth-line);
            border-radius: var(--hth-radius-card);
            overflow: hidden;
            transition: all var(--hth-transition);
            display: flex;
            flex-direction: column;
        }
        .collection-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--hth-shadow-lg);
            border-color: var(--hth-accent-light);
        }
        .collection-card .collection-cover {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--hth-background-alt);
        }
        .collection-card .collection-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }
        .collection-card:hover .collection-cover img {
            transform: scale(1.05);
        }
        .collection-card .collection-body {
            padding: 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .collection-card .collection-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 800;
            letter-spacing: 0.06em;
            color: var(--hth-accent);
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .collection-card h4 {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--hth-primary);
            margin-bottom: 8px;
        }
        .collection-card p {
            font-size: 0.9rem;
            color: var(--hth-text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .collection-card .collection-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
            font-size: 0.88rem;
            color: var(--hth-accent);
            transition: all var(--hth-transition);
        }
        .collection-card .collection-link:hover {
            color: var(--hth-primary);
            gap: 10px;
        }

        /* ===== Milestones ===== */
        .milestone-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .milestone-row::before {
            content: '';
            position: absolute;
            top: 24px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--hth-line);
            z-index: 0;
        }
        .milestone-item {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 0 8px;
        }
        .milestone-item .milestone-dot {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: var(--hth-primary);
            color: var(--hth-accent-light);
            border-radius: 50%;
            font-weight: 900;
            font-size: 1rem;
            margin-bottom: 12px;
            border: 3px solid var(--hth-background);
            box-shadow: 0 0 0 2px var(--hth-line);
            font-family: var(--hth-font-num);
        }
        .milestone-item h5 {
            font-size: 1rem;
            font-weight: 800;
            color: var(--hth-primary);
            margin-bottom: 6px;
        }
        .milestone-item p {
            font-size: 0.82rem;
            color: var(--hth-text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* ===== Brand Intro ===== */
        .brand-intro-panel {
            background: var(--hth-white);
            border: 1px solid var(--hth-line);
            border-radius: var(--hth-radius-card);
            padding: 36px 40px;
            position: relative;
            box-shadow: var(--hth-shadow-sm);
            margin-top: 20px;
        }
        .brand-intro-panel::before {
            content: '\201C';
            font-size: 5rem;
            font-weight: 900;
            color: var(--hth-accent);
            opacity: 0.2;
            position: absolute;
            top: 8px;
            left: 24px;
            line-height: 1;
            font-family: Georgia, serif;
        }
        .brand-intro-panel h3 {
            font-size: 1.4rem;
            font-weight: 900;
            color: var(--hth-primary);
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        .brand-intro-panel p {
            font-size: 1rem;
            color: var(--hth-text-muted);
            line-height: 1.9;
            position: relative;
            z-index: 1;
            margin: 0;
        }
        .brand-intro-panel .brand-intro-line {
            position: relative;
            z-index: 1;
            width: 60px;
            height: 3px;
            background: var(--hth-accent);
            margin-bottom: 16px;
            border-radius: 2px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--hth-primary) 0%, var(--hth-primary-2) 100%);
            color: var(--hth-white);
            border-radius: 0;
            padding: 90px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(184, 121, 63, 0.25), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .cta-content h3 {
            font-size: 2rem;
            font-weight: 900;
            color: var(--hth-white);
            margin-bottom: 10px;
            letter-spacing: -0.02em;
        }
        .cta-content p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            margin: 0;
            max-width: 520px;
            line-height: 1.8;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== Form Styles ===== */
        .form-underline .form-group {
            margin-bottom: 20px;
        }
        .form-underline label {
            display: block;
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--hth-primary);
            margin-bottom: 6px;
            letter-spacing: 0.03em;
        }
        .form-underline input,
        .form-underline textarea {
            width: 100%;
            border: none;
            border-bottom: 1.5px solid var(--hth-line);
            background: transparent;
            padding: 10px 2px;
            font-size: 0.95rem;
            color: var(--hth-text);
            transition: border-color var(--hth-transition);
            border-radius: 0;
        }
        .form-underline input:focus,
        .form-underline textarea:focus {
            outline: none;
            border-bottom-color: var(--hth-primary);
            box-shadow: none;
        }
        .form-underline textarea {
            min-height: 100px;
            resize: vertical;
        }
        .form-underline .form-hint {
            font-size: 0.78rem;
            color: var(--hth-text-muted);
            margin-top: 4px;
        }
        .contact-panel {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: start;
        }
        .contact-info-card {
            background: var(--hth-primary);
            color: var(--hth-white);
            border-radius: var(--hth-radius-card);
            padding: 30px;
        }
        .contact-info-card h4 {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--hth-white);
            margin-bottom: 12px;
        }
        .contact-info-card p {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.75;
            margin-bottom: 20px;
        }
        .contact-info-card .contact-detail {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.85);
        }
        .contact-info-card .contact-detail:last-child {
            border-bottom: none;
        }
        .contact-info-card .contact-detail i {
            color: var(--hth-accent-light);
            width: 20px;
            text-align: center;
        }

        /* ===== FAQ Accordion ===== */
        .accordion-hth .accordion-item {
            background: var(--hth-white);
            border: 1px solid var(--hth-line);
            border-radius: 8px;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: none;
            transition: all var(--hth-transition);
        }
        .accordion-hth .accordion-item:hover {
            border-color: var(--hth-accent-light);
            box-shadow: var(--hth-shadow-sm);
        }
        .accordion-hth .accordion-header {
            margin: 0;
        }
        .accordion-hth .accordion-button {
            background: var(--hth-white);
            color: var(--hth-primary);
            font-weight: 700;
            font-size: 0.98rem;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            border-radius: 8px;
            transition: all var(--hth-transition);
            position: relative;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .accordion-hth .accordion-button:not(.collapsed) {
            background: #faf8f4;
            color: var(--hth-primary);
            box-shadow: none;
            border-left: 3px solid var(--hth-accent);
        }
        .accordion-hth .accordion-button:focus {
            box-shadow: 0 0 0 2px rgba(184, 121, 63, 0.3);
            border-color: var(--hth-accent);
        }
        .accordion-hth .accordion-button::after {
            content: '\2b';
            background: none;
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.85rem;
            color: var(--hth-accent);
            flex-shrink: 0;
            transition: transform var(--hth-transition);
        }
        .accordion-hth .accordion-button:not(.collapsed)::after {
            content: '\2212';
        }
        .accordion-hth .accordion-body {
            background: #faf8f4;
            color: var(--hth-text-muted);
            font-size: 0.9rem;
            line-height: 1.8;
            padding: 16px 22px 20px;
            border-top: 1px solid var(--hth-line);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--hth-primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 50px 0 30px;
            font-size: 0.86rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-brand .brand-logo-footer {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 900;
            color: var(--hth-white);
            margin-bottom: 12px;
        }
        .footer-brand .brand-logo-footer .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.08);
            color: var(--hth-accent-light);
            border-radius: 10px;
            font-size: 1.1rem;
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.75;
            margin-bottom: 16px;
            max-width: 380px;
        }
        .footer-links h5 {
            color: var(--hth-white);
            font-weight: 800;
            font-size: 1rem;
            margin-bottom: 14px;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links ul li {
            padding: 5px 0;
        }
        .footer-links ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            transition: color var(--hth-transition);
        }
        .footer-links ul li a:hover {
            color: var(--hth-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom .footer-legal {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }
        .footer-bottom .footer-legal a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--hth-transition);
        }
        .footer-bottom .footer-legal a:hover {
            color: var(--hth-accent-light);
        }

        /* ===== Back to top ===== */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            background: var(--hth-primary);
            color: var(--hth-white);
            border: none;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            box-shadow: var(--hth-shadow-lg);
            z-index: 999;
            transition: all var(--hth-transition);
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
        }
        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .back-to-top:hover {
            background: var(--hth-accent);
            color: var(--hth-white);
            transform: translateY(-4px);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-content {
                padding-right: 0;
            }
            .hero-title {
                font-size: 2.8rem;
            }
            .benefits-grid {
                grid-template-columns: 1fr;
            }
            .milestone-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .milestone-row::before {
                display: none;
            }
            .price-table {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .price-tier {
                border-right: none;
                border-bottom: 1px solid var(--hth-line);
            }
            .price-tier:last-child {
                border-bottom: none;
            }
            .contact-panel {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                gap: 10px;
                padding: 10px 0;
                min-height: auto;
            }
            .nav-chips {
                order: 3;
                width: 100%;
                overflow-x: auto;
                padding: 6px 0;
            }
            .header-cta {
                margin-left: auto;
            }
            .section-block {
                padding: 64px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .hero-section {
                min-height: auto;
                padding-top: 80px;
                padding-bottom: 50px;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-inner {
                gap: 24px;
                padding-top: 50px;
            }
            .benefits-cards {
                grid-template-columns: 1fr;
            }
            .collection-grid {
                grid-template-columns: 1fr;
            }
            .milestone-row {
                grid-template-columns: 1fr;
            }
            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 16px;
            }
            .news-item .news-date {
                min-width: auto;
            }
            .cta-content {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-countdown-bar {
                font-size: 0.78rem;
                padding: 8px 12px;
                gap: 6px;
            }
            .hero-countdown-bar .countdown-timer {
                font-size: 0.85rem;
                padding: 3px 10px;
            }
            .brand-intro-panel {
                padding: 24px 20px;
            }
            .task-progress-panel {
                padding: 20px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .brand-logo {
                font-size: 1.25rem;
            }
            .brand-logo .logo-mark {
                width: 34px;
                height: 34px;
                font-size: 1rem;
                border-radius: 8px;
            }
            .btn-header-cta {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.92rem;
            }
            .hero-data-row {
                gap: 16px;
            }
            .hero-data-item .data-number {
                font-size: 1.3rem;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .section-desc {
                font-size: 0.9rem;
            }
            .benefit-card {
                padding: 18px;
            }
            .price-tier {
                padding: 22px 18px;
            }
            .collection-card .collection-body {
                padding: 16px 18px;
            }
            .news-item .news-title {
                font-size: 0.95rem;
            }
            .back-to-top {
                bottom: 18px;
                right: 18px;
                width: 40px;
                height: 40px;
                font-size: 0.95rem;
            }
        }

/* roulang page: category2 */
:root {
 --hth-primary: #142621;
 --hth-primary-2: #162A24;
 --hth-accent: #B8793F;
 --hth-accent-light: #C0864C;
 --hth-background: #F4F0E8;
 --hth-background-alt: #F5F2EB;
 --hth-text: #1C1E1E;
 --hth-text-muted: #6B6F6D;
 --hth-line: #E2DDD3;
 --hth-red: #B34A2E;
 --hth-white: #FFFFFF;
 --hth-shadow-sm: 0 8px 30px rgba(0, 0, 0, 0.06);
 --hth-shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
 --hth-radius-card: 16px;
 --hth-radius-btn: 8px;
 --hth-radius-pill: 24px;
 --hth-font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', Arial, sans-serif;
 --hth-font-num: 'Inter', 'SF Pro Display', 'Segoe UI', Arial, sans-serif;
 --hth-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
html {
 scroll-behavior: smooth;
 font-size: 16px;
}
body {
 font-family: var(--hth-font-sans);
 background-color: var(--hth-background);
 color: var(--hth-text);
 line-height: 1.85;
 -webkit-font-smoothing: antialiased;
 -moz-osx-font-smoothing: grayscale;
 overflow-x: hidden;
}
a {
 color: var(--hth-primary);
 text-decoration: none;
 transition: color var(--hth-transition);
}
a:hover {
 color: var(--hth-accent);
}
img {
 max-width: 100%;
 display: block;
}
button, input, select, textarea {
 font-family: inherit;
 font-size: 1rem;
}
button:focus, input:focus, select:focus, textarea:focus, a:focus {
 outline: 2px solid var(--hth-accent);
 outline-offset: 2px;
}
.container {
 max-width: 1280px;
 padding-left: 24px;
 padding-right: 24px;
}

/* ===== Header / Nav ===== */
.site-header {
 position: sticky;
 top: 0;
 z-index: 1030;
 background: rgba(244, 240, 232, 0.92);
 backdrop-filter: blur(12px);
 -webkit-backdrop-filter: blur(12px);
 border-bottom: 1px solid var(--hth-line);
 transition: box-shadow var(--hth-transition);
}
.site-header.scrolled {
 box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}
.header-inner {
 display: flex;
 align-items: center;
 justify-content: space-between;
 min-height: 72px;
 gap: 16px;
 flex-wrap: nowrap;
}
.brand-logo {
 display: flex;
 align-items: center;
 gap: 10px;
 font-weight: 900;
 font-size: 1.55rem;
 color: var(--hth-primary);
 letter-spacing: -0.02em;
 white-space: nowrap;
 flex-shrink: 0;
}
.brand-logo .logo-mark {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 width: 42px;
 height: 42px;
 background: var(--hth-primary);
 color: var(--hth-accent);
 border-radius: 10px;
 font-size: 1.2rem;
 line-height: 1;
}
.brand-logo span.logo-text {
 color: var(--hth-primary);
}
.brand-logo .logo-text .accent {
 color: var(--hth-accent);
}
.nav-chips {
 display: flex;
 align-items: center;
 gap: 8px;
 flex-wrap: nowrap;
 overflow-x: auto;
 scrollbar-width: none;
 -ms-overflow-style: none;
 padding: 4px 0;
 flex-shrink: 1;
 min-width: 0;
}
.nav-chips::-webkit-scrollbar {
 display: none;
}
.nav-chip {
 display: inline-flex;
 align-items: center;
 gap: 6px;
 padding: 8px 18px;
 border-radius: var(--hth-radius-pill);
 border: 1.5px solid var(--hth-line);
 background: transparent;
 color: var(--hth-text-muted);
 font-size: 0.9rem;
 font-weight: 600;
 white-space: nowrap;
 transition: all var(--hth-transition);
 cursor: pointer;
 flex-shrink: 0;
}
.nav-chip:hover {
 border-color: var(--hth-accent);
 color: var(--hth-accent);
 background: rgba(184, 121, 63, 0.06);
}
.nav-chip.active {
 background: var(--hth-primary);
 border-color: var(--hth-primary);
 color: var(--hth-white);
 box-shadow: 0 4px 14px rgba(20, 38, 33, 0.25);
}
.header-cta {
 flex-shrink: 0;
}
.btn-header-cta {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 background: var(--hth-primary);
 color: var(--hth-white);
 border: none;
 padding: 10px 20px;
 border-radius: var(--hth-radius-pill);
 font-weight: 700;
 font-size: 0.9rem;
 transition: all var(--hth-transition);
 white-space: nowrap;
}
.btn-header-cta:hover {
 background: var(--hth-accent);
 color: var(--hth-white);
 transform: translateY(-2px);
 box-shadow: 0 8px 24px rgba(184, 121, 63, 0.35);
}

/* ===== 内页 Hero ===== */
.inner-hero {
 position: relative;
 min-height: 420px;
 display: flex;
 align-items: center;
 padding: 80px 0 60px;
 background: linear-gradient(135deg, rgba(20, 38, 33, 0.94) 0%, rgba(22, 42, 36, 0.86) 50%, rgba(20, 38, 33, 0.92) 100%),
   url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
 color: var(--hth-white);
 overflow: hidden;
}
.inner-hero::after {
 content: '';
 position: absolute;
 inset: 0;
 background: radial-gradient(ellipse at 80% 20%, rgba(184, 121, 63, 0.25) 0%, transparent 55%);
 pointer-events: none;
}
.inner-hero .container {
 position: relative;
 z-index: 2;
}
.breadcrumb-hth {
 display: flex;
 align-items: center;
 gap: 8px;
 margin-bottom: 20px;
 font-size: 0.85rem;
 color: rgba(255, 255, 255, 0.7);
 flex-wrap: wrap;
}
.breadcrumb-hth a {
 color: rgba(255, 255, 255, 0.7);
}
.breadcrumb-hth a:hover {
 color: var(--hth-accent-light);
}
.breadcrumb-hth .sep {
 opacity: 0.6;
}
.breadcrumb-hth .current {
 color: var(--hth-accent-light);
 font-weight: 600;
}
.inner-hero h1 {
 font-size: clamp(2rem, 4.5vw, 3.5rem);
 font-weight: 900;
 letter-spacing: -0.02em;
 line-height: 1.2;
 margin-bottom: 16px;
}
.inner-hero .hero-desc {
 font-size: 1.05rem;
 max-width: 620px;
 color: rgba(255, 255, 255, 0.82);
 line-height: 1.8;
 margin-bottom: 28px;
}
.hero-actions {
 display: flex;
 gap: 12px;
 flex-wrap: wrap;
}
.btn-primary-hth {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 background: var(--hth-accent);
 color: var(--hth-white);
 border: none;
 padding: 12px 26px;
 border-radius: var(--hth-radius-btn);
 font-weight: 700;
 font-size: 0.95rem;
 transition: all var(--hth-transition);
}
.btn-primary-hth:hover {
 background: var(--hth-accent-light);
 color: var(--hth-white);
 transform: translateY(-2px);
 box-shadow: 0 8px 24px rgba(184, 121, 63, 0.35);
}
.btn-outline-hth-light {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 background: transparent;
 color: var(--hth-white);
 border: 1.5px solid rgba(255, 255, 255, 0.5);
 padding: 12px 26px;
 border-radius: var(--hth-radius-btn);
 font-weight: 700;
 font-size: 0.95rem;
 transition: all var(--hth-transition);
}
.btn-outline-hth-light:hover {
 background: rgba(255, 255, 255, 0.1);
 border-color: var(--hth-white);
 color: var(--hth-white);
}

/* ===== 通用板块 ===== */
.section-hth {
 padding: 90px 0;
}
.section-hth-sm {
 padding: 60px 0;
}
.section-label {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 font-size: 0.8rem;
 font-weight: 700;
 letter-spacing: 0.08em;
 color: var(--hth-accent);
 text-transform: uppercase;
 margin-bottom: 12px;
}
.section-label::before {
 content: '';
 width: 24px;
 height: 2px;
 background: var(--hth-accent);
}
.section-title {
 font-size: clamp(1.6rem, 3vw, 2.4rem);
 font-weight: 900;
 letter-spacing: -0.02em;
 color: var(--hth-primary);
 line-height: 1.3;
 margin-bottom: 16px;
}
.section-subtitle {
 font-size: 0.95rem;
 color: var(--hth-text-muted);
 max-width: 560px;
 line-height: 1.8;
}

/* ===== 非对称卖点区 ===== */
.asym-feature-grid {
 display: grid;
 grid-template-columns: 1fr 1fr;
 gap: 28px;
}
.feature-card {
 background: var(--hth-white);
 border-radius: var(--hth-radius-card);
 box-shadow: var(--hth-shadow-sm);
 overflow: hidden;
 transition: all var(--hth-transition);
 border: 1px solid var(--hth-line);
 display: flex;
 flex-direction: column;
}
.feature-card:hover {
 transform: translateY(-4px);
 box-shadow: var(--hth-shadow-lg);
}
.feature-card .card-img-wrap {
 position: relative;
 overflow: hidden;
 aspect-ratio: 16/9;
}
.feature-card .card-img-wrap img {
 width: 100%;
 height: 100%;
 object-fit: cover;
 transition: transform 0.35s ease;
}
.feature-card:hover .card-img-wrap img {
 transform: scale(1.04);
}
.feature-card .card-body {
 padding: 24px 26px;
 flex: 1;
 display: flex;
 flex-direction: column;
}
.feature-card .card-body h3 {
 font-size: 1.2rem;
 font-weight: 800;
 color: var(--hth-primary);
 margin-bottom: 10px;
}
.feature-card .card-body p {
 font-size: 0.9rem;
 color: var(--hth-text-muted);
 line-height: 1.75;
 margin-bottom: 16px;
 flex: 1;
}
.feature-card .card-meta {
 display: flex;
 align-items: center;
 gap: 8px;
 font-size: 0.78rem;
 color: var(--hth-accent);
 font-weight: 700;
}
.feature-card.feature-large {
 grid-column: 1 / -1;
 display: grid;
 grid-template-columns: 1.2fr 1fr;
}
.feature-card.feature-large .card-img-wrap {
 aspect-ratio: auto;
 min-height: 260px;
}
.feature-card.feature-large .card-body {
 padding: 32px 34px;
}
.feature-card.feature-large .card-body h3 {
 font-size: 1.5rem;
}

/* ===== 筛选排序条 ===== */
.filter-bar {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 16px;
 padding: 20px 0;
 border-top: 1px solid var(--hth-line);
 border-bottom: 1px solid var(--hth-line);
 flex-wrap: wrap;
 margin-bottom: 32px;
}
.filter-chips {
 display: flex;
 gap: 8px;
 flex-wrap: wrap;
}
.filter-chip {
 display: inline-flex;
 align-items: center;
 padding: 6px 16px;
 border-radius: var(--hth-radius-pill);
 border: 1.5px solid var(--hth-line);
 background: transparent;
 color: var(--hth-text-muted);
 font-size: 0.82rem;
 font-weight: 600;
 transition: all var(--hth-transition);
 cursor: pointer;
 white-space: nowrap;
}
.filter-chip:hover {
 border-color: var(--hth-accent);
 color: var(--hth-accent);
}
.filter-chip.active {
 background: var(--hth-primary);
 border-color: var(--hth-primary);
 color: var(--hth-white);
}
.filter-sort {
 display: flex;
 align-items: center;
 gap: 8px;
 font-size: 0.82rem;
 color: var(--hth-text-muted);
}
.filter-sort select {
 background: var(--hth-white);
 border: 1px solid var(--hth-line);
 border-radius: var(--hth-radius-btn);
 padding: 6px 12px;
 font-size: 0.82rem;
 color: var(--hth-text);
 cursor: pointer;
}

/* ===== 混合列表区 ===== */
.mixed-list-grid {
 display: grid;
 grid-template-columns: 1fr 1fr;
 gap: 24px;
}
.list-card-featured {
 grid-column: 1 / -1;
 display: grid;
 grid-template-columns: 1.4fr 1fr;
 background: var(--hth-white);
 border-radius: var(--hth-radius-card);
 overflow: hidden;
 box-shadow: var(--hth-shadow-sm);
 border: 1px solid var(--hth-line);
 transition: all var(--hth-transition);
}
.list-card-featured:hover {
 box-shadow: var(--hth-shadow-lg);
 transform: translateY(-3px);
}
.list-card-featured .lc-img {
 position: relative;
 overflow: hidden;
}
.list-card-featured .lc-img img {
 width: 100%;
 height: 100%;
 object-fit: cover;
 transition: transform 0.35s ease;
}
.list-card-featured:hover .lc-img img {
 transform: scale(1.03);
}
.list-card-featured .lc-body {
 padding: 30px 32px;
 display: flex;
 flex-direction: column;
}
.list-card-featured .lc-body .lc-date {
 font-size: 0.78rem;
 color: var(--hth-accent);
 font-weight: 700;
 margin-bottom: 10px;
 display: flex;
 align-items: center;
 gap: 6px;
}
.list-card-featured .lc-body h3 {
 font-size: 1.35rem;
 font-weight: 800;
 margin-bottom: 12px;
}
.list-card-featured .lc-body h3 a {
 color: var(--hth-primary);
}
.list-card-featured .lc-body h3 a:hover {
 color: var(--hth-accent);
}
.list-card-featured .lc-body p {
 font-size: 0.9rem;
 color: var(--hth-text-muted);
 line-height: 1.8;
 flex: 1;
 margin-bottom: 18px;
}
.btn-read-more {
 display: inline-flex;
 align-items: center;
 gap: 6px;
 font-size: 0.85rem;
 font-weight: 700;
 color: var(--hth-primary);
 transition: all var(--hth-transition);
}
.btn-read-more i {
 transition: transform var(--hth-transition);
}
.btn-read-more:hover {
 color: var(--hth-accent);
}
.btn-read-more:hover i {
 transform: translateX(4px);
}
.list-card-normal {
 background: var(--hth-white);
 border-radius: var(--hth-radius-card);
 overflow: hidden;
 box-shadow: var(--hth-shadow-sm);
 border: 1px solid var(--hth-line);
 transition: all var(--hth-transition);
 display: flex;
 flex-direction: column;
}
.list-card-normal:hover {
 transform: translateY(-3px);
 box-shadow: var(--hth-shadow-lg);
}
.list-card-normal .lc-img {
 aspect-ratio: 16/9;
 overflow: hidden;
}
.list-card-normal .lc-img img {
 width: 100%;
 height: 100%;
 object-fit: cover;
 transition: transform 0.35s ease;
}
.list-card-normal:hover .lc-img img {
 transform: scale(1.04);
}
.list-card-normal .lc-body {
 padding: 22px 24px;
 display: flex;
 flex-direction: column;
 flex: 1;
}
.list-card-normal .lc-date {
 font-size: 0.75rem;
 color: var(--hth-accent);
 font-weight: 700;
 margin-bottom: 8px;
}
.list-card-normal h3 {
 font-size: 1.05rem;
 font-weight: 800;
 margin-bottom: 8px;
}
.list-card-normal h3 a {
 color: var(--hth-primary);
}
.list-card-normal h3 a:hover {
 color: var(--hth-accent);
}
.list-card-normal p {
 font-size: 0.85rem;
 color: var(--hth-text-muted);
 line-height: 1.7;
 flex: 1;
 margin-bottom: 14px;
}

/* ===== 分页器 ===== */
.pagination-hth {
 display: flex;
 align-items: center;
 gap: 6px;
 justify-content: center;
 margin: 40px 0 20px;
}
.pagination-hth .page-link-hth {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-width: 40px;
 height: 40px;
 padding: 0 12px;
 border-radius: var(--hth-radius-btn);
 border: 1px solid var(--hth-line);
 background: var(--hth-white);
 color: var(--hth-text);
 font-size: 0.85rem;
 font-weight: 600;
 transition: all var(--hth-transition);
}
.pagination-hth .page-link-hth:hover {
 border-color: var(--hth-accent);
 color: var(--hth-accent);
}
.pagination-hth .page-link-hth.active {
 background: var(--hth-primary);
 border-color: var(--hth-primary);
 color: var(--hth-white);
}

/* ===== 权益深度区 ===== */
.deep-content-section {
 background: var(--hth-primary-2);
 color: var(--hth-white);
 border-radius: 20px;
 padding: 50px 48px;
 position: relative;
 overflow: hidden;
}
.deep-content-section::before {
 content: '';
 position: absolute;
 top: -40%;
 right: -10%;
 width: 400px;
 height: 400px;
 border-radius: 50%;
 background: rgba(184, 121, 63, 0.18);
 pointer-events: none;
}
.deep-content-grid {
 display: grid;
 grid-template-columns: 1fr 1fr;
 gap: 36px;
 position: relative;
 z-index: 2;
}
.deep-content-section .section-title {
 color: var(--hth-white);
}
.deep-content-section p {
 color: rgba(255, 255, 255, 0.75);
 font-size: 0.92rem;
 line-height: 1.85;
 margin-bottom: 14px;
}
.deep-list {
 list-style: none;
 padding: 0;
 margin: 0;
}
.deep-list li {
 display: flex;
 align-items: flex-start;
 gap: 12px;
 padding: 12px 0;
 border-bottom: 1px solid rgba(255, 255, 255, 0.1);
 font-size: 0.9rem;
 color: rgba(255, 255, 255, 0.82);
}
.deep-list li:last-child {
 border-bottom: none;
}
.deep-list li i {
 color: var(--hth-accent-light);
 font-size: 1rem;
 margin-top: 4px;
 flex-shrink: 0;
}

/* ===== 流程区 ===== */
.process-steps {
 display: grid;
 grid-template-columns: repeat(4, 1fr);
 gap: 20px;
 counter-reset: step;
}
.process-step {
 background: var(--hth-white);
 border-radius: var(--hth-radius-card);
 padding: 28px 24px;
 border: 1px solid var(--hth-line);
 position: relative;
 transition: all var(--hth-transition);
}
.process-step:hover {
 transform: translateY(-3px);
 box-shadow: var(--hth-shadow-sm);
}
.process-step .step-num {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 width: 40px;
 height: 40px;
 border-radius: 50%;
 background: var(--hth-primary);
 color: var(--hth-accent-light);
 font-weight: 900;
 font-size: 1.1rem;
 margin-bottom: 16px;
 font-family: var(--hth-font-num);
}
.process-step h4 {
 font-size: 1.05rem;
 font-weight: 800;
 color: var(--hth-primary);
 margin-bottom: 8px;
}
.process-step p {
 font-size: 0.85rem;
 color: var(--hth-text-muted);
 line-height: 1.75;
 margin: 0;
}

/* ===== FAQ ===== */
.accordion-hth .accordion-item {
 border: 1px solid var(--hth-line);
 border-radius: 8px !important;
 margin-bottom: 12px;
 overflow: hidden;
 background: var(--hth-white);
 box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}
.accordion-hth .accordion-button {
 background: var(--hth-white);
 color: var(--hth-primary);
 font-weight: 700;
 font-size: 0.95rem;
 padding: 18px 22px;
 border-radius: 8px !important;
 transition: all var(--hth-transition);
}
.accordion-hth .accordion-button:not(.collapsed) {
 background: var(--hth-white);
 color: var(--hth-primary);
 border-left: 3px solid var(--hth-accent);
}
.accordion-hth .accordion-button::after {
 background-image: none;
 content: '+';
 font-size: 1.4rem;
 font-weight: 700;
 color: var(--hth-accent);
 line-height: 1;
 margin-left: auto;
}
.accordion-hth .accordion-button:not(.collapsed)::after {
 content: '\2212';
}
.accordion-hth .accordion-button:focus {
 box-shadow: none;
 outline: 2px solid var(--hth-accent);
 outline-offset: -2px;
}
.accordion-hth .accordion-body {
 padding: 18px 22px;
 font-size: 0.88rem;
 color: var(--hth-text-muted);
 line-height: 1.8;
 border-top: 1px solid var(--hth-line);
}

/* ===== CTA 联系区 ===== */
.cta-section {
 background: linear-gradient(135deg, rgba(20, 38, 33, 0.96) 0%, rgba(22, 42, 36, 0.92) 100%),
   url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
 color: var(--hth-white);
 padding: 80px 0;
}
.cta-grid {
 display: grid;
 grid-template-columns: 1fr 1fr;
 gap: 48px;
 align-items: center;
}
.cta-info h2 {
 font-size: clamp(1.6rem, 3vw, 2.2rem);
 font-weight: 900;
 margin-bottom: 16px;
 color: var(--hth-white);
}
.cta-info p {
 color: rgba(255, 255, 255, 0.78);
 font-size: 0.95rem;
 line-height: 1.8;
 margin-bottom: 20px;
}
.cta-contact-list {
 list-style: none;
 padding: 0;
 margin: 0;
}
.cta-contact-list li {
 display: flex;
 align-items: center;
 gap: 12px;
 padding: 10px 0;
 font-size: 0.9rem;
 color: rgba(255, 255, 255, 0.8);
}
.cta-contact-list li i {
 color: var(--hth-accent-light);
 width: 20px;
 text-align: center;
}
.cta-form {
 background: rgba(255, 255, 255, 0.06);
 backdrop-filter: blur(8px);
 border: 1px solid rgba(255, 255, 255, 0.12);
 border-radius: var(--hth-radius-card);
 padding: 36px 32px;
}
.cta-form .form-label {
 font-size: 0.8rem;
 font-weight: 700;
 color: rgba(255, 255, 255, 0.85);
 letter-spacing: 0.05em;
}
.cta-form .form-input {
 width: 100%;
 background: transparent;
 border: none;
 border-bottom: 1px solid rgba(255, 255, 255, 0.3);
 padding: 10px 0;
 color: var(--hth-white);
 font-size: 0.9rem;
 transition: border-color var(--hth-transition);
}
.cta-form .form-input::placeholder {
 color: rgba(255, 255, 255, 0.45);
}
.cta-form .form-input:focus {
 outline: none;
 border-bottom-color: var(--hth-accent-light);
}
.cta-form .form-input option {
 color: var(--hth-text);
}
.cta-form select.form-input {
 background: rgba(255, 255, 255, 0.06);
 border: 1px solid rgba(255, 255, 255, 0.18);
 border-radius: var(--hth-radius-btn);
 padding: 10px 14px;
 margin-bottom: 12px;
}
.cta-form .form-check-label {
 color: rgba(255, 255, 255, 0.75);
 font-size: 0.82rem;
}
.cta-form .form-check-input:checked {
 background-color: var(--hth-accent);
 border-color: var(--hth-accent);
}
.cta-form .btn-submit {
 width: 100%;
 margin-top: 18px;
}

/* ===== Footer ===== */
.site-footer {
 background: var(--hth-primary);
 color: rgba(255, 255, 255, 0.75);
 padding: 60px 0 30px;
 font-size: 0.9rem;
}
.footer-grid {
 display: grid;
 grid-template-columns: 1.4fr 0.8fr 0.8fr;
 gap: 36px;
 margin-bottom: 40px;
}
.footer-brand .brand-logo-footer {
 display: flex;
 align-items: center;
 gap: 10px;
 font-size: 1.4rem;
 font-weight: 900;
 color: var(--hth-white);
 margin-bottom: 14px;
}
.footer-brand .brand-logo-footer .logo-mark {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 width: 38px;
 height: 38px;
 background: var(--hth-accent);
 color: var(--hth-white);
 border-radius: 8px;
 font-size: 1rem;
}
.footer-brand p {
 font-size: 0.85rem;
 color: rgba(255, 255, 255, 0.6);
 line-height: 1.8;
}
.footer-links h5 {
 color: var(--hth-white);
 font-size: 0.9rem;
 font-weight: 800;
 margin-bottom: 14px;
 letter-spacing: 0.05em;
}
.footer-links ul {
 list-style: none;
 padding: 0;
 margin: 0;
}
.footer-links ul li {
 margin-bottom: 8px;
}
.footer-links ul li a {
 color: rgba(255, 255, 255, 0.6);
 font-size: 0.85rem;
 transition: color var(--hth-transition);
}
.footer-links ul li a:hover {
 color: var(--hth-accent-light);
}
.footer-bottom {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 16px;
 flex-wrap: wrap;
 padding-top: 20px;
 border-top: 1px solid rgba(255, 255, 255, 0.1);
 font-size: 0.78rem;
}
.footer-legal {
 display: flex;
 align-items: center;
 gap: 12px;
 flex-wrap: wrap;
}
.footer-legal a {
 color: rgba(255, 255, 255, 0.6);
}
.footer-legal a:hover {
 color: var(--hth-accent-light);
}
.footer-legal span {
 color: rgba(255, 255, 255, 0.5);
}

/* ===== 响应式 ===== */
@media (max-width: 991px) {
 .header-inner {
   flex-wrap: wrap;
   padding: 10px 0;
   min-height: auto;
 }
 .nav-chips {
   order: 3;
   width: 100%;
   flex-shrink: 0;
 }
 .cta-grid {
   grid-template-columns: 1fr;
   gap: 28px;
 }
 .deep-content-grid {
   grid-template-columns: 1fr;
   gap: 24px;
 }
 .process-steps {
   grid-template-columns: repeat(2, 1fr);
 }
 .footer-grid {
   grid-template-columns: 1fr 1fr;
   gap: 24px;
 }
 .feature-card.feature-large {
   grid-template-columns: 1fr;
 }
 .feature-card.feature-large .card-img-wrap {
   aspect-ratio: 16/9;
   min-height: auto;
 }
 .list-card-featured {
   grid-template-columns: 1fr;
 }
 .list-card-featured .lc-img {
   aspect-ratio: 16/9;
 }
 .mixed-list-grid {
   grid-template-columns: 1fr;
 }
 .asym-feature-grid {
   grid-template-columns: 1fr;
 }
}
@media (max-width: 575px) {
 .inner-hero {
   min-height: 360px;
   padding: 60px 0 40px;
 }
 .inner-hero h1 {
   font-size: 1.8rem;
 }
 .hero-actions {
   flex-direction: column;
 }
 .btn-primary-hth,
 .btn-outline-hth-light {
   justify-content: center;
   width: 100%;
 }
 .filter-bar {
   flex-direction: column;
   align-items: flex-start;
   gap: 12px;
 }
 .process-steps {
   grid-template-columns: 1fr;
 }
 .deep-content-section {
   padding: 30px 24px;
 }
 .cta-form {
   padding: 24px 20px;
 }
 .footer-grid {
   grid-template-columns: 1fr;
   gap: 20px;
 }
 .footer-bottom {
   flex-direction: column;
   align-items: flex-start;
 }
 .section-hth {
   padding: 60px 0;
 }
 .list-card-featured .lc-body {
   padding: 22px 20px;
 }
 .list-card-normal .lc-body {
   padding: 18px 18px;
 }
}

/* roulang page: category1 */
:root {
            --hth-primary: #142621;
            --hth-primary-2: #162A24;
            --hth-accent: #B8793F;
            --hth-accent-light: #C0864C;
            --hth-background: #F4F0E8;
            --hth-background-alt: #F5F2EB;
            --hth-text: #1C1E1E;
            --hth-text-muted: #6B6F6D;
            --hth-line: #E2DDD3;
            --hth-red: #B34A2E;
            --hth-white: #FFFFFF;
            --hth-shadow-sm: 0 8px 30px rgba(0, 0, 0, 0.06);
            --hth-shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
            --hth-radius-card: 16px;
            --hth-radius-btn: 8px;
            --hth-radius-pill: 24px;
            --hth-font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', Arial, sans-serif;
            --hth-font-num: 'Inter', 'SF Pro Display', 'Segoe UI', Arial, sans-serif;
            --hth-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--hth-font-sans);
            background-color: var(--hth-background);
            color: var(--hth-text);
            line-height: 1.85;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--hth-primary);
            text-decoration: none;
            transition: color var(--hth-transition), background var(--hth-transition), border-color var(--hth-transition), box-shadow var(--hth-transition), transform var(--hth-transition);
        }

        a:hover {
            color: var(--hth-accent);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 1rem;
        }

        button:focus,
        input:focus,
        select:focus,
        textarea:focus,
        a:focus {
            outline: 2px solid var(--hth-accent);
            outline-offset: 2px;
        }

        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(244, 240, 232, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--hth-line);
            transition: box-shadow var(--hth-transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 16px;
            flex-wrap: nowrap;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.55rem;
            color: var(--hth-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .brand-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: var(--hth-primary);
            color: var(--hth-accent);
            border-radius: 10px;
            font-size: 1.2rem;
            line-height: 1;
        }

        .brand-logo span.logo-text {
            color: var(--hth-primary);
        }

        .brand-logo .logo-text .accent {
            color: var(--hth-accent);
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 4px 0;
            flex-shrink: 1;
            min-width: 0;
        }

        .nav-chips::-webkit-scrollbar {
            display: none;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--hth-radius-pill);
            border: 1.5px solid var(--hth-line);
            background: transparent;
            color: var(--hth-text-muted);
            font-size: 0.9rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--hth-transition);
            cursor: pointer;
            flex-shrink: 0;
        }

        .nav-chip:hover {
            border-color: var(--hth-accent);
            color: var(--hth-accent);
            background: rgba(184, 121, 63, 0.06);
        }

        .nav-chip.active {
            background: var(--hth-primary);
            border-color: var(--hth-primary);
            color: var(--hth-white);
            box-shadow: 0 4px 14px rgba(20, 38, 33, 0.25);
        }

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

        .btn-header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--hth-primary);
            color: var(--hth-white);
            border: none;
            padding: 10px 20px;
            border-radius: var(--hth-radius-pill);
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--hth-transition);
            white-space: nowrap;
        }

        .btn-header-cta:hover {
            background: var(--hth-accent);
            color: var(--hth-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(184, 121, 63, 0.35);
        }

        /* ===== Category Hero / Breadcrumb ===== */
        .cat-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(20, 38, 33, 0.9) 0%, rgba(22, 42, 36, 0.82) 45%, rgba(20, 38, 33, 0.9) 100%),
                url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            padding: 80px 0 56px;
            color: var(--hth-white);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .cat-hero .breadcrumb-cat {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .cat-hero .breadcrumb-cat a {
            color: rgba(255, 255, 255, 0.75);
            transition: color var(--hth-transition);
        }

        .cat-hero .breadcrumb-cat a:hover {
            color: var(--hth-accent-light);
        }

        .cat-hero .breadcrumb-cat .separator {
            color: rgba(255, 255, 255, 0.4);
        }

        .cat-hero .breadcrumb-cat .current {
            color: var(--hth-accent-light);
            font-weight: 600;
        }

        .cat-hero h1 {
            font-size: 3rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            line-height: 1.2;
            color: var(--hth-white);
        }

        .cat-hero .lead-cat {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 620px;
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ===== Filter / Sort Bar ===== */
        .filter-bar {
            padding: 24px 0 16px;
            background: var(--hth-background);
            border-bottom: 1px solid var(--hth-line);
        }

        .filter-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 4px 0;
        }

        .filter-chips::-webkit-scrollbar {
            display: none;
        }

        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 6px 14px;
            border-radius: var(--hth-radius-pill);
            border: 1px solid var(--hth-line);
            background: transparent;
            color: var(--hth-text-muted);
            font-size: 0.82rem;
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--hth-transition);
            cursor: pointer;
            flex-shrink: 0;
        }

        .filter-chip:hover {
            border-color: var(--hth-accent);
            color: var(--hth-accent);
            background: rgba(184, 121, 63, 0.05);
        }

        .filter-chip.active {
            background: var(--hth-primary);
            border-color: var(--hth-primary);
            color: var(--hth-white);
            box-shadow: 0 3px 10px rgba(20, 38, 33, 0.2);
        }

        /* ===== Main Content / List ===== */
        .cat-main {
            padding: 48px 0 64px;
            background: var(--hth-background);
        }

        .cat-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
            margin-bottom: 40px;
        }

        .cat-card {
            background: var(--hth-white);
            border-radius: var(--hth-radius-card);
            overflow: hidden;
            box-shadow: var(--hth-shadow-sm);
            transition: all var(--hth-transition);
            display: flex;
            flex-direction: column;
            border: 1px solid rgba(226, 221, 211, 0.6);
            height: 100%;
        }

        .cat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--hth-shadow-lg);
            border-color: rgba(184, 121, 63, 0.3);
        }

        .cat-card-hero {
            grid-column: span 12;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 0;
            background: var(--hth-primary-2);
            color: var(--hth-white);
            border: none;
            box-shadow: var(--hth-shadow-sm);
            min-height: 340px;
        }

        .cat-card-hero:hover {
            box-shadow: var(--hth-shadow-lg);
        }

        .cat-card-hero .card-img-wrap {
            position: relative;
            overflow: hidden;
            height: 100%;
            min-height: 340px;
        }

        .cat-card-hero .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .cat-card-hero:hover .card-img-wrap img {
            transform: scale(1.045);
        }

        .cat-card-hero .card-body {
            padding: 36px 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .cat-card-hero .card-date {
            font-size: 0.8rem;
            color: var(--hth-accent-light);
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .cat-card-hero .card-title {
            font-size: 1.65rem;
            font-weight: 800;
            line-height: 1.35;
            margin-bottom: 16px;
            color: var(--hth-white);
            letter-spacing: -0.01em;
        }

        .cat-card-hero .card-desc {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.75;
            margin-bottom: 20px;
        }

        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 0.88rem;
            color: var(--hth-white);
            padding: 0;
            border: none;
            background: none;
            cursor: pointer;
            transition: all var(--hth-transition);
            align-self: flex-start;
        }

        .btn-read-more i {
            transition: transform var(--hth-transition);
        }

        .btn-read-more:hover {
            color: var(--hth-accent-light);
        }

        .btn-read-more:hover i {
            transform: translateX(4px);
        }

        .cat-card-sm {
            grid-column: span 6;
        }

        .cat-card-sm .card-img-wrap {
            position: relative;
            overflow: hidden;
            height: 180px;
        }

        .cat-card-sm .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .cat-card-sm:hover .card-img-wrap img {
            transform: scale(1.04);
        }

        .cat-card-sm .card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .cat-card-sm .card-date {
            font-size: 0.78rem;
            color: var(--hth-text-muted);
            font-weight: 500;
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }

        .cat-card-sm .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--hth-text);
            letter-spacing: -0.005em;
            transition: color var(--hth-transition);
        }

        .cat-card-sm:hover .card-title {
            color: var(--hth-accent);
        }

        .cat-card-sm .card-desc {
            font-size: 0.87rem;
            color: var(--hth-text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }

        .cat-card-sm .btn-read-more {
            color: var(--hth-primary);
            font-size: 0.82rem;
        }

        .cat-card-sm .btn-read-more:hover {
            color: var(--hth-accent);
        }

        /* ===== Pagination ===== */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            padding: 16px 0 8px;
        }

        .pagination-custom .page-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 42px;
            height: 42px;
            padding: 0 14px;
            border: 1px solid var(--hth-line);
            border-radius: var(--hth-radius-btn);
            background: var(--hth-white);
            color: var(--hth-text);
            font-weight: 600;
            font-size: 0.9rem;
            margin: 0 4px;
            transition: all var(--hth-transition);
        }

        .pagination-custom .page-link:hover {
            background: rgba(184, 121, 63, 0.08);
            border-color: var(--hth-accent);
            color: var(--hth-accent);
        }

        .pagination-custom .page-item.active .page-link {
            background: var(--hth-primary);
            border-color: var(--hth-primary);
            color: var(--hth-white);
            box-shadow: 0 4px 14px rgba(20, 38, 33, 0.25);
        }

        .pagination-custom .page-item.disabled .page-link {
            background: transparent;
            border-color: var(--hth-line);
            color: var(--hth-text-muted);
            cursor: not-allowed;
            opacity: 0.5;
        }

        /* ===== Deep Content ===== */
        .deep-section {
            padding: 64px 0;
            background: var(--hth-background-alt);
            border-top: 1px solid var(--hth-line);
            border-bottom: 1px solid var(--hth-line);
        }

        .deep-block {
            display: grid;
            grid-template-columns: 1fr 1.6fr;
            gap: 48px;
            align-items: start;
        }

        .deep-block .deep-label {
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            color: var(--hth-accent);
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .deep-block h2 {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.015em;
            color: var(--hth-primary);
            margin-bottom: 16px;
        }

        .deep-block .deep-text p {
            font-size: 0.98rem;
            color: var(--hth-text-muted);
            line-height: 1.85;
            margin-bottom: 16px;
        }
        .deep-block .deep-text p:last-child {
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 64px 0;
            background: var(--hth-background);
        }

        .faq-section .section-head {
            margin-bottom: 32px;
        }

        .faq-section .section-head h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.015em;
            color: var(--hth-primary);
            margin-bottom: 8px;
        }

        .faq-section .section-head p {
            font-size: 0.95rem;
            color: var(--hth-text-muted);
            margin-bottom: 0;
        }

        .accordion-custom .accordion-item {
            border: 1px solid var(--hth-line);
            border-radius: var(--hth-radius-btn) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--hth-white);
            box-shadow: none;
        }

        .accordion-custom .accordion-button {
            background: var(--hth-white);
            color: var(--hth-text);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 18px 22px;
            border-radius: var(--hth-radius-btn) !important;
            transition: all var(--hth-transition);
            box-shadow: none;
            border: none;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--hth-white);
            color: var(--hth-primary);
            box-shadow: none;
            border-left: 3px solid var(--hth-accent);
        }

        .accordion-custom .accordion-button:focus {
            outline: none;
            box-shadow: none;
            border-left: 3px solid var(--hth-accent);
        }

        .accordion-custom .accordion-button::after {
            background-size: 1.1rem;
            transition: transform 0.3s ease;
            color: var(--hth-accent);
        }

        .accordion-custom .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
        }

        .accordion-custom .accordion-body {
            padding: 16px 22px 20px;
            font-size: 0.9rem;
            color: var(--hth-text-muted);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 72px 0;
            background: var(--hth-primary);
            color: var(--hth-white);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: rgba(184, 121, 63, 0.15);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .cta-inner .cta-text h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.015em;
            margin-bottom: 10px;
            color: var(--hth-white);
        }

        .cta-inner .cta-text p {
            font-size: 0.98rem;
            color: rgba(255, 255, 255, 0.72);
            margin-bottom: 0;
            max-width: 520px;
            line-height: 1.75;
        }

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--hth-accent);
            color: var(--hth-white);
            border: none;
            padding: 14px 28px;
            border-radius: var(--hth-radius-btn);
            font-weight: 700;
            font-size: 0.92rem;
            transition: all var(--hth-transition);
            white-space: nowrap;
            box-shadow: 0 8px 24px rgba(184, 121, 63, 0.3);
        }

        .btn-cta-primary:hover {
            background: var(--hth-accent-light);
            color: var(--hth-white);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(184, 121, 63, 0.4);
        }

        .btn-cta-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            color: var(--hth-white);
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            padding: 13px 26px;
            border-radius: var(--hth-radius-btn);
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--hth-transition);
            white-space: nowrap;
        }

        .btn-cta-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
            color: var(--hth-white);
            transform: translateY(-2px);
        }

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

        /* ===== Footer ===== */
        .site-footer {
            background: var(--hth-primary-2);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 28px;
            font-size: 0.9rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .brand-logo-footer {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.35rem;
            color: var(--hth-white);
            margin-bottom: 14px;
        }

        .footer-brand .brand-logo-footer .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--hth-accent);
            color: var(--hth-white);
            border-radius: 9px;
            font-size: 1rem;
            line-height: 1;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            margin-bottom: 0;
            max-width: 340px;
        }

        .footer-links h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--hth-white);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

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

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

        .footer-links ul li a {
            font-size: 0.87rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--hth-transition);
        }

        .footer-links ul li a:hover {
            color: var(--hth-accent-light);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-legal {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-legal a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--hth-transition);
        }

        .footer-legal a:hover {
            color: var(--hth-accent-light);
        }

        .footer-legal span {
            color: rgba(255, 255, 255, 0.3);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .deep-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cat-card-sm {
                grid-column: span 6;
            }
        }

        @media (max-width: 768px) {
            .cat-hero h1 {
                font-size: 2.2rem;
            }
            .cat-card-hero {
                grid-template-columns: 1fr;
                min-height: auto;
            }
            .cat-card-hero .card-img-wrap {
                min-height: 220px;
                height: 220px;
            }
            .cat-card-sm {
                grid-column: span 12;
            }
            .cat-grid {
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .header-inner {
                gap: 10px;
            }
            .nav-chip {
                padding: 7px 14px;
                font-size: 0.82rem;
            }
            .btn-header-cta {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .cat-hero {
                padding: 48px 0 36px;
            }
            .cat-hero h1 {
                font-size: 1.75rem;
            }
            .cat-hero .lead-cat {
                font-size: 0.92rem;
            }
            .cat-card-hero .card-body {
                padding: 24px 20px;
            }
            .cat-card-hero .card-title {
                font-size: 1.3rem;
            }
            .cat-card-sm .card-img-wrap {
                height: 160px;
            }
            .filter-chip {
                padding: 5px 12px;
                font-size: 0.75rem;
            }
            .pagination-custom .page-link {
                min-width: 36px;
                height: 36px;
                padding: 0 10px;
                font-size: 0.8rem;
            }
            .cta-inner .cta-text h2 {
                font-size: 1.5rem;
            }
            .btn-cta-primary,
            .btn-cta-secondary {
                padding: 11px 20px;
                font-size: 0.82rem;
            }
            .site-footer {
                padding: 40px 0 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .brand-logo {
                font-size: 1.3rem;
            }
            .brand-logo .logo-mark {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }
            .header-cta {
                display: none;
            }
            .nav-chips {
                gap: 5px;
            }
            .nav-chip {
                padding: 6px 12px;
                font-size: 0.76rem;
                border-radius: 18px;
            }
        }

        @media (max-width: 360px) {
            .nav-chip {
                padding: 5px 10px;
                font-size: 0.7rem;
            }
            .brand-logo {
                font-size: 1.1rem;
                gap: 6px;
            }
            .brand-logo .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
        }

/* roulang page: category3 */
:root {
            --hth-primary: #142621;
            --hth-primary-2: #162A24;
            --hth-accent: #B8793F;
            --hth-accent-light: #C0864C;
            --hth-background: #F4F0E8;
            --hth-background-alt: #F5F2EB;
            --hth-text: #1C1E1E;
            --hth-text-muted: #6B6F6D;
            --hth-line: #E2DDD3;
            --hth-red: #B34A2E;
            --hth-white: #FFFFFF;
            --hth-shadow-sm: 0 8px 30px rgba(0, 0, 0, 0.06);
            --hth-shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
            --hth-radius-card: 16px;
            --hth-radius-btn: 8px;
            --hth-radius-pill: 24px;
            --hth-font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', Arial, sans-serif;
            --hth-font-num: 'Inter', 'SF Pro Display', 'Segoe UI', Arial, sans-serif;
            --hth-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--hth-font-sans);
            background-color: var(--hth-background);
            color: var(--hth-text);
            line-height: 1.85;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--hth-primary);
            text-decoration: none;
            transition: color var(--hth-transition);
        }
        a:hover {
            color: var(--hth-accent);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 1rem;
        }
        button:focus,
        input:focus,
        select:focus,
        textarea:focus,
        a:focus {
            outline: 2px solid var(--hth-accent);
            outline-offset: 2px;
        }
        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }
        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(244, 240, 232, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--hth-line);
            transition: box-shadow var(--hth-transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 16px;
            flex-wrap: nowrap;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.55rem;
            color: var(--hth-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .brand-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: var(--hth-primary);
            color: var(--hth-accent);
            border-radius: 10px;
            font-size: 1.2rem;
            line-height: 1;
        }
        .brand-logo span.logo-text {
            color: var(--hth-primary);
        }
        .brand-logo .logo-text .accent {
            color: var(--hth-accent);
        }
        .nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 4px 0;
            flex-shrink: 1;
            min-width: 0;
        }
        .nav-chips::-webkit-scrollbar {
            display: none;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--hth-radius-pill);
            border: 1.5px solid var(--hth-line);
            background: transparent;
            color: var(--hth-text-muted);
            font-size: 0.9rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--hth-transition);
            cursor: pointer;
            flex-shrink: 0;
        }
        .nav-chip:hover {
            border-color: var(--hth-accent);
            color: var(--hth-accent);
            background: rgba(184, 121, 63, 0.06);
        }
        .nav-chip.active {
            background: var(--hth-primary);
            border-color: var(--hth-primary);
            color: var(--hth-white);
            box-shadow: 0 4px 14px rgba(20, 38, 33, 0.25);
        }
        .header-cta {
            flex-shrink: 0;
        }
        .btn-header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--hth-primary);
            color: var(--hth-white);
            border: none;
            padding: 10px 20px;
            border-radius: var(--hth-radius-pill);
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--hth-transition);
            white-space: nowrap;
        }
        .btn-header-cta:hover {
            background: var(--hth-accent);
            color: var(--hth-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(184, 121, 63, 0.35);
        }
        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            padding: 72px 0 64px;
            background: linear-gradient(135deg, rgba(20, 38, 33, 0.9) 0%, rgba(22, 42, 36, 0.82) 45%, rgba(20, 38, 33, 0.88) 100%),
                url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            color: var(--hth-white);
        }
        .page-hero .breadcrumb {
            margin-bottom: 20px;
        }
        .page-hero .breadcrumb-item a {
            color: rgba(255, 255, 255, 0.7);
        }
        .page-hero .breadcrumb-item a:hover {
            color: var(--hth-accent-light);
        }
        .page-hero .breadcrumb-item.active {
            color: var(--hth-accent-light);
        }
        .page-hero .breadcrumb-item+.breadcrumb-item::before {
            color: rgba(255, 255, 255, 0.5);
        }
        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            color: var(--hth-white);
            margin-bottom: 16px;
        }
        .page-hero .hero-lead {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            line-height: 1.8;
        }
        .page-hero .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 28px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.75);
        }
        .page-hero .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .page-hero .hero-meta i {
            color: var(--hth-accent-light);
        }
        /* ===== Filter Chips ===== */
        .filter-section {
            padding: 28px 0 8px;
            background: var(--hth-background);
        }
        .filter-chips {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
        }
        .filter-label {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--hth-text-muted);
            margin-right: 4px;
            white-space: nowrap;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: var(--hth-radius-pill);
            border: 1.5px solid var(--hth-line);
            background: transparent;
            color: var(--hth-text-muted);
            font-size: 0.82rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--hth-transition);
            cursor: pointer;
        }
        .filter-chip:hover {
            border-color: var(--hth-accent);
            color: var(--hth-accent);
        }
        .filter-chip.active {
            background: var(--hth-primary);
            border-color: var(--hth-primary);
            color: var(--hth-white);
        }
        /* ===== Activity List ===== */
        .activity-section {
            padding: 40px 0 64px;
        }
        .activity-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .activity-card {
            background: var(--hth-white);
            border-radius: var(--hth-radius-card);
            overflow: hidden;
            box-shadow: var(--hth-shadow-sm);
            transition: all var(--hth-transition);
            border: 1px solid var(--hth-line);
            display: flex;
            flex-direction: column;
        }
        .activity-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--hth-shadow-lg);
        }
        .activity-card--featured {
            grid-column: span 2;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            min-height: 340px;
        }
        .activity-card--featured .activity-card__image {
            height: 100%;
            min-height: 280px;
        }
        .activity-card__image {
            position: relative;
            overflow: hidden;
            height: 200px;
            background: #ddd;
        }
        .activity-card__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }
        .activity-card:hover .activity-card__image img {
            transform: scale(1.04);
        }
        .activity-card__badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--hth-accent);
            color: var(--hth-white);
            padding: 4px 12px;
            border-radius: var(--hth-radius-pill);
            font-size: 0.75rem;
            font-weight: 700;
            z-index: 2;
        }
        .activity-card__badge--hot {
            background: var(--hth-red);
        }
        .activity-card__body {
            padding: 22px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .activity-card--featured .activity-card__body {
            padding: 28px 32px;
            justify-content: center;
        }
        .activity-card__date {
            font-size: 0.8rem;
            color: var(--hth-text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 10px;
        }
        .activity-card__date i {
            color: var(--hth-accent);
        }
        .activity-card__title {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--hth-primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .activity-card--featured .activity-card__title {
            font-size: 1.6rem;
        }
        .activity-card__excerpt {
            font-size: 0.9rem;
            color: var(--hth-text-muted);
            line-height: 1.75;
            margin-bottom: 16px;
            flex: 1;
        }
        .activity-card__footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }
        .activity-card__tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .activity-card__tag {
            font-size: 0.72rem;
            padding: 3px 10px;
            border-radius: var(--hth-radius-pill);
            background: var(--hth-background-alt);
            color: var(--hth-text-muted);
            border: 1px solid var(--hth-line);
        }
        .activity-card__link {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--hth-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--hth-transition);
        }
        .activity-card__link i {
            transition: transform var(--hth-transition);
        }
        .activity-card__link:hover {
            color: var(--hth-accent);
        }
        .activity-card__link:hover i {
            transform: translateX(4px);
        }
        /* ===== Process Section ===== */
        .process-section {
            padding: 72px 0;
            background: var(--hth-primary);
            color: var(--hth-white);
        }
        .process-section .section-label {
            color: var(--hth-accent-light);
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 12px;
        }
        .process-section .section-title {
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 40px;
            color: var(--hth-white);
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .process-step {
            text-align: left;
            padding: 20px;
            border-left: 3px solid var(--hth-accent);
            background: rgba(255, 255, 255, 0.04);
            border-radius: 8px;
        }
        .process-step__num {
            font-family: var(--hth-font-num);
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--hth-accent-light);
            line-height: 1;
            margin-bottom: 12px;
        }
        .process-step__title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--hth-white);
            margin-bottom: 8px;
        }
        .process-step__text {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
        }
        /* ===== Benefits Section ===== */
        .benefits-section {
            padding: 72px 0;
        }
        .benefits-section .section-label {
            color: var(--hth-accent);
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 12px;
        }
        .benefits-section .section-title {
            font-size: 2rem;
            font-weight: 900;
            color: var(--hth-primary);
            margin-bottom: 40px;
        }
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .benefit-card {
            background: var(--hth-white);
            border-radius: var(--hth-radius-card);
            padding: 28px 24px;
            border: 1px solid var(--hth-line);
            transition: all var(--hth-transition);
        }
        .benefit-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--hth-shadow-sm);
            border-color: var(--hth-accent);
        }
        .benefit-card__icon {
            width: 48px;
            height: 48px;
            background: var(--hth-primary);
            color: var(--hth-accent-light);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
        }
        .benefit-card__title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--hth-primary);
            margin-bottom: 8px;
        }
        .benefit-card__text {
            font-size: 0.88rem;
            color: var(--hth-text-muted);
            line-height: 1.7;
        }
        /* ===== FAQ Section ===== */
        .faq-section {
            padding: 72px 0;
            background: var(--hth-background-alt);
        }
        .faq-section .section-label {
            color: var(--hth-accent);
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 12px;
        }
        .faq-section .section-title {
            font-size: 2rem;
            font-weight: 900;
            color: var(--hth-primary);
            margin-bottom: 36px;
        }
        .accordion-custom .accordion-item {
            border: 1px solid var(--hth-line);
            border-radius: 8px !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--hth-white);
            box-shadow: none;
        }
        .accordion-custom .accordion-button {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--hth-primary);
            background: var(--hth-white);
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            border-radius: 8px;
            position: relative;
            transition: all var(--hth-transition);
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--hth-primary);
            background: var(--hth-white);
            border-left: 3px solid var(--hth-accent);
            padding-left: 19px;
        }
        .accordion-custom .accordion-button::after {
            content: '\f067';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.8rem;
            background: none;
            width: auto;
            height: auto;
            color: var(--hth-accent);
            transition: transform var(--hth-transition);
        }
        .accordion-custom .accordion-button:not(.collapsed)::after {
            content: '\f068';
            transform: rotate(0deg);
        }
        .accordion-custom .accordion-button:focus {
            outline: none;
            box-shadow: none;
            border-left: 3px solid var(--hth-accent);
        }
        .accordion-custom .accordion-body {
            font-size: 0.9rem;
            color: var(--hth-text-muted);
            line-height: 1.8;
            padding: 16px 22px 20px;
            border-top: 1px solid var(--hth-line);
        }
        /* ===== CTA Section ===== */
        .cta-section {
            padding: 72px 0;
            background: linear-gradient(135deg, var(--hth-primary) 0%, var(--hth-primary-2) 100%);
            color: var(--hth-white);
        }
        .cta-section .cta-title {
            font-size: 1.8rem;
            font-weight: 900;
            margin-bottom: 16px;
        }
        .cta-section .cta-text {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin-bottom: 28px;
            line-height: 1.8;
        }
        .cta-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary-hth {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--hth-accent);
            color: var(--hth-white);
            border: none;
            padding: 12px 28px;
            border-radius: var(--hth-radius-btn);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--hth-transition);
        }
        .btn-primary-hth:hover {
            background: var(--hth-accent-light);
            color: var(--hth-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(184, 121, 63, 0.4);
        }
        .btn-outline-hth {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--hth-white);
            border: 2px solid rgba(255, 255, 255, 0.5);
            padding: 12px 28px;
            border-radius: var(--hth-radius-btn);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--hth-transition);
        }
        .btn-outline-hth:hover {
            border-color: var(--hth-accent);
            background: var(--hth-accent);
            color: var(--hth-white);
            transform: translateY(-2px);
        }
        /* ===== Pagination ===== */
        .pagination-custom {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 40px;
        }
        .pagination-custom .page-link {
            background: var(--hth-white);
            border: 1px solid var(--hth-line);
            color: var(--hth-text);
            border-radius: 8px !important;
            padding: 10px 16px;
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--hth-transition);
        }
        .pagination-custom .page-link:hover {
            background: var(--hth-accent);
            border-color: var(--hth-accent);
            color: var(--hth-white);
        }
        .pagination-custom .page-item.active .page-link {
            background: var(--hth-primary);
            border-color: var(--hth-primary);
            color: var(--hth-white);
        }
        .pagination-custom .page-item.disabled .page-link {
            background: var(--hth-background-alt);
            border-color: var(--hth-line);
            color: var(--hth-text-muted);
        }
        /* ===== Footer ===== */
        .site-footer {
            background: var(--hth-primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 0;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand .brand-logo-footer {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.4rem;
            color: var(--hth-white);
            margin-bottom: 16px;
        }
        .footer-brand .brand-logo-footer .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--hth-accent);
            color: var(--hth-white);
            border-radius: 10px;
            font-size: 1rem;
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            line-height: 1.8;
            max-width: 380px;
        }
        .footer-links h5 {
            color: var(--hth-white);
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links ul li {
            margin-bottom: 8px;
        }
        .footer-links ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            transition: color var(--hth-transition);
        }
        .footer-links ul li a:hover {
            color: var(--hth-accent-light);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 0 24px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-legal {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }
        .footer-legal a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-legal a:hover {
            color: var(--hth-accent-light);
        }
        /* ===== Responsive ===== */
        @media (max-width: 991px) {
            .page-hero h1 {
                font-size: 2.2rem;
            }
            .activity-grid {
                grid-template-columns: 1fr;
            }
            .activity-card--featured {
                grid-column: span 1;
                grid-template-columns: 1fr;
            }
            .activity-card--featured .activity-card__image {
                min-height: 220px;
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .benefits-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: span 2;
            }
        }
        @media (max-width: 767px) {
            .header-inner {
                flex-wrap: nowrap;
                gap: 10px;
            }
            .brand-logo {
                font-size: 1.2rem;
                gap: 6px;
            }
            .brand-logo .logo-mark {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }
            .nav-chips {
                gap: 6px;
            }
            .nav-chip {
                padding: 6px 12px;
                font-size: 0.78rem;
            }
            .btn-header-cta {
                padding: 8px 14px;
                font-size: 0.78rem;
            }
            .page-hero {
                padding: 48px 0 40px;
            }
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .page-hero .hero-lead {
                font-size: 0.95rem;
            }
            .page-hero .hero-meta {
                gap: 12px;
                font-size: 0.8rem;
                flex-direction: column;
            }
            .activity-section {
                padding: 24px 0 40px;
            }
            .activity-card--featured .activity-card__body {
                padding: 20px;
            }
            .activity-card--featured .activity-card__title {
                font-size: 1.2rem;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .benefits-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .process-section,
            .benefits-section,
            .faq-section,
            .cta-section {
                padding: 48px 0;
            }
            .process-section .section-title,
            .benefits-section .section-title,
            .faq-section .section-title {
                font-size: 1.5rem;
            }
            .cta-section .cta-title {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: span 1;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
            }
            .filter-chips {
                gap: 6px;
            }
            .filter-chip {
                padding: 5px 12px;
                font-size: 0.75rem;
            }
        }
        @media (min-width: 992px) {
            .page-hero h1 {
                font-size: 2.8rem;
            }
        }

/* roulang page: category4 */
:root {
            --hth-primary: #142621;
            --hth-primary-2: #162A24;
            --hth-accent: #B8793F;
            --hth-accent-light: #C0864C;
            --hth-background: #F4F0E8;
            --hth-background-alt: #F5F2EB;
            --hth-text: #1C1E1E;
            --hth-text-muted: #6B6F6D;
            --hth-line: #E2DDD3;
            --hth-red: #B34A2E;
            --hth-white: #FFFFFF;
            --hth-shadow-sm: 0 8px 30px rgba(0, 0, 0, 0.06);
            --hth-shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
            --hth-radius-card: 16px;
            --hth-radius-btn: 8px;
            --hth-radius-pill: 24px;
            --hth-font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', Arial, sans-serif;
            --hth-font-num: 'Inter', 'SF Pro Display', 'Segoe UI', Arial, sans-serif;
            --hth-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        :root {
            --hth-primary: #142621;
            --hth-primary-2: #162A24;
            --hth-accent: #B8793F;
            --hth-accent-light: #C0864C;
            --hth-background: #F4F0E8;
            --hth-background-alt: #F5F2EB;
            --hth-text: #1C1E1E;
            --hth-text-muted: #6B6F6D;
            --hth-line: #E2DDD3;
            --hth-red: #B34A2E;
            --hth-white: #FFFFFF;
            --hth-shadow-sm: 0 8px 30px rgba(0, 0, 0, 0.06);
            --hth-shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
            --hth-radius-card: 16px;
            --hth-radius-btn: 8px;
            --hth-radius-pill: 24px;
            --hth-font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', Arial, sans-serif;
            --hth-font-num: 'Inter', 'SF Pro Display', 'Segoe UI', Arial, sans-serif;
            --hth-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--hth-font-sans);
            background-color: var(--hth-background);
            color: var(--hth-text);
            line-height: 1.85;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--hth-primary);
            text-decoration: none;
            transition: color var(--hth-transition);
        }
        a:hover {
            color: var(--hth-accent);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 1rem;
        }
        button:focus,
        input:focus,
        select:focus,
        textarea:focus,
        a:focus {
            outline: 2px solid var(--hth-accent);
            outline-offset: 2px;
        }
        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }
        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(244, 240, 232, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--hth-line);
            transition: box-shadow var(--hth-transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 16px;
            flex-wrap: nowrap;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.55rem;
            color: var(--hth-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .brand-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: var(--hth-primary);
            color: var(--hth-accent);
            border-radius: 10px;
            font-size: 1.2rem;
            line-height: 1;
        }
        .brand-logo span.logo-text {
            color: var(--hth-primary);
        }
        .brand-logo .logo-text .accent {
            color: var(--hth-accent);
        }
        .nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 4px 0;
            flex-shrink: 1;
            min-width: 0;
        }
        .nav-chips::-webkit-scrollbar {
            display: none;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--hth-radius-pill);
            border: 1.5px solid var(--hth-line);
            background: transparent;
            color: var(--hth-text-muted);
            font-size: 0.9rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--hth-transition);
            cursor: pointer;
            flex-shrink: 0;
        }
        .nav-chip:hover {
            border-color: var(--hth-accent);
            color: var(--hth-accent);
            background: rgba(184, 121, 63, 0.06);
        }
        .nav-chip.active {
            background: var(--hth-primary);
            border-color: var(--hth-primary);
            color: var(--hth-white);
            box-shadow: 0 4px 14px rgba(20, 38, 33, 0.25);
        }
        .header-cta {
            flex-shrink: 0;
        }
        .btn-header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--hth-primary);
            color: var(--hth-white);
            border: none;
            padding: 10px 20px;
            border-radius: var(--hth-radius-pill);
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--hth-transition);
            white-space: nowrap;
        }
        .btn-header-cta:hover {
            background: var(--hth-accent);
            color: var(--hth-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(184, 121, 63, 0.35);
        }

        /* ===== Category Hero Banner ===== */
        .category-hero {
            position: relative;
            padding: 72px 0 64px;
            background: linear-gradient(135deg, rgba(20, 38, 33, 0.91) 0%, rgba(22, 42, 36, 0.78) 50%, rgba(20, 38, 33, 0.88) 100%),
                url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            color: var(--hth-white);
            overflow: hidden;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--hth-accent) 0%, transparent 70%);
        }
        .category-hero .breadcrumb-wrap {
            margin-bottom: 18px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
        }
        .category-hero .breadcrumb-wrap a {
            color: rgba(255, 255, 255, 0.75);
            transition: color var(--hth-transition);
        }
        .category-hero .breadcrumb-wrap a:hover {
            color: var(--hth-accent-light);
        }
        .category-hero .breadcrumb-wrap .separator {
            margin: 0 8px;
            color: rgba(255, 255, 255, 0.4);
        }
        .category-hero h1 {
            font-size: 3.2rem;
            font-weight: 900;
            letter-spacing: -0.025em;
            line-height: 1.2;
            margin-bottom: 14px;
            color: var(--hth-white);
        }
        .category-hero h1 .hero-accent {
            color: var(--hth-accent-light);
            position: relative;
        }
        .category-hero .hero-sub {
            font-size: 1.1rem;
            max-width: 680px;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.8;
        }

        /* ===== Stats Highlight ===== */
        .stats-highlight {
            padding: 48px 0 72px;
        }
        .stats-card {
            background: var(--hth-primary);
            border-radius: var(--hth-radius-card);
            padding: 36px 40px;
            color: var(--hth-white);
            box-shadow: 0 16px 40px rgba(20, 38, 33, 0.18);
        }
        .stats-card .stat-item {
            text-align: center;
            padding: 20px 16px;
            border-right: 1px solid rgba(255, 255, 255, 0.12);
        }
        .stats-card .stat-item:last-child {
            border-right: none;
        }
        .stats-card .stat-number {
            font-family: var(--hth-font-num);
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--hth-accent-light);
            line-height: 1;
            letter-spacing: -0.02em;
            margin-bottom: 8px;
        }
        .stats-card .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        /* ===== Filter Bar ===== */
        .filter-section {
            padding-bottom: 40px;
        }
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            background: var(--hth-white);
            border-radius: var(--hth-radius-pill);
            padding: 10px 18px;
            box-shadow: var(--hth-shadow-sm);
        }
        .filter-label {
            font-size: 0.85rem;
            color: var(--hth-text-muted);
            font-weight: 600;
            margin-right: 8px;
            white-space: nowrap;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 6px 16px;
            border-radius: var(--hth-radius-pill);
            border: 1.5px solid var(--hth-line);
            background: transparent;
            color: var(--hth-text-muted);
            font-size: 0.8rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--hth-transition);
            cursor: pointer;
            border: 1.5px solid var(--hth-line);
        }
        .filter-chip:hover {
            border-color: var(--hth-accent);
            color: var(--hth-accent);
        }
        .filter-chip.active {
            background: var(--hth-primary);
            border-color: var(--hth-primary);
            color: var(--hth-white);
            box-shadow: 0 4px 12px rgba(20, 38, 33, 0.22);
        }

        /* ===== Featured Report ===== */
        .reports-section {
            padding-bottom: 72px;
        }
        .reports-heading {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 16px;
        }
        .reports-heading h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.015em;
            margin-bottom: 4px;
        }
        .reports-heading p {
            color: var(--hth-text-muted);
            margin: 0;
            font-size: 0.95rem;
        }
        .featured-report-card {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            background: var(--hth-white);
            border-radius: var(--hth-radius-card);
            overflow: hidden;
            box-shadow: var(--hth-shadow-sm);
            transition: all var(--hth-transition);
            margin-bottom: 28px;
            min-height: 300px;
        }
        .featured-report-card:hover {
            box-shadow: var(--hth-shadow-lg);
            transform: translateY(-4px);
        }
        .featured-report-card .featured-image {
            position: relative;
            overflow: hidden;
            min-height: 280px;
        }
        .featured-report-card .featured-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }
        .featured-report-card:hover .featured-image img {
            transform: scale(1.04);
        }
        .featured-report-card .featured-image .featured-tag {
            position: absolute;
            top: 20px;
            left: 20px;
            background: var(--hth-accent);
            color: var(--hth-white);
            padding: 5px 14px;
            border-radius: var(--hth-radius-pill);
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.02em;
        }
        .featured-report-card .featured-content {
            padding: 32px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-report-card .report-date {
            font-size: 0.85rem;
            color: var(--hth-text-muted);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .featured-report-card h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 12px;
            line-height: 1.4;
            color: var(--hth-primary);
        }
        .featured-report-card .report-summary {
            color: var(--hth-text-muted);
            font-size: 0.95rem;
            line-height: 1.75;
            margin-bottom: 20px;
            flex: 1;
        }
        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--hth-accent);
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--hth-transition);
        }
        .btn-read-more i {
            transition: transform var(--hth-transition);
        }
        .btn-read-more:hover {
            color: var(--hth-primary);
        }
        .btn-read-more:hover i {
            transform: translateX(4px);
        }

        /* ===== Report List ===== */
        .report-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .report-list-card {
            background: var(--hth-white);
            border-radius: var(--hth-radius-card);
            overflow: hidden;
            box-shadow: var(--hth-shadow-sm);
            transition: all var(--hth-transition);
            display: flex;
            flex-direction: column;
        }
        .report-list-card:hover {
            box-shadow: var(--hth-shadow-lg);
            transform: translateY(-4px);
        }
        .report-list-card .report-image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
        }
        .report-list-card .report-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }
        .report-list-card:hover .report-image img {
            transform: scale(1.05);
        }
        .report-list-card .report-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .report-list-card .report-date {
            font-size: 0.8rem;
            color: var(--hth-text-muted);
            margin-bottom: 8px;
        }
        .report-list-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.5;
            color: var(--hth-primary);
        }
        .report-list-card .report-summary {
            color: var(--hth-text-muted);
            font-size: 0.88rem;
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        /* ===== Pagination ===== */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            margin-top: 40px;
        }
        .pagination .page-link {
            border: 1.5px solid var(--hth-line);
            color: var(--hth-text-muted);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 18px;
            border-radius: var(--hth-radius-btn);
            margin: 0 4px;
            transition: all var(--hth-transition);
            background: var(--hth-white);
        }
        .pagination .page-link:hover {
            background: var(--hth-accent);
            border-color: var(--hth-accent);
            color: var(--hth-white);
            transform: translateY(-2px);
        }
        .pagination .page-item.active .page-link {
            background: var(--hth-primary);
            border-color: var(--hth-primary);
            color: var(--hth-white);
        }
        .pagination .page-item.disabled .page-link {
            color: var(--hth-text-muted);
            opacity: 0.5;
            pointer-events: none;
        }

        /* ===== Deep Insight Section ===== */
        .deep-insight-section {
            padding: 72px 0;
            background: var(--hth-background-alt);
        }
        .deep-insight-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: start;
        }
        .deep-insight-text h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 20px;
            color: var(--hth-primary);
            letter-spacing: -0.015em;
        }
        .deep-insight-text p {
            color: var(--hth-text-muted);
            font-size: 0.98rem;
            line-height: 1.85;
            margin-bottom: 18px;
        }
        .deep-insight-text blockquote {
            border-left: 4px solid var(--hth-accent);
            padding: 16px 24px;
            margin: 24px 0;
            background: var(--hth-white);
            border-radius: 0 var(--hth-radius-card) var(--hth-radius-card) 0;
            font-size: 1rem;
            color: var(--hth-text);
            font-style: normal;
            box-shadow: var(--hth-shadow-sm);
        }
        .deep-insight-list {
            background: var(--hth-white);
            border-radius: var(--hth-radius-card);
            padding: 32px 32px;
            box-shadow: var(--hth-shadow-sm);
        }
        .deep-insight-list .item {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--hth-line);
            align-items: flex-start;
        }
        .deep-insight-list .item:last-child {
            border-bottom: none;
        }
        .deep-insight-list .item .item-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(184, 121, 63, 0.1);
            color: var(--hth-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .deep-insight-list .item-content h5 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--hth-primary);
        }
        .deep-insight-list .item-content p {
            font-size: 0.85rem;
            color: var(--hth-text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ===== Data Flow ===== */
        .data-flow-section {
            padding: 72px 0;
        }
        .data-flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 32px;
        }
        .data-flow-step {
            background: var(--hth-white);
            border-radius: var(--hth-radius-card);
            padding: 28px 24px;
            box-shadow: var(--hth-shadow-sm);
            text-align: center;
            transition: all var(--hth-transition);
            border-top: 3px solid transparent;
            position: relative;
        }
        .data-flow-step:hover {
            box-shadow: var(--hth-shadow-lg);
            transform: translateY(-4px);
            border-top-color: var(--hth-accent);
        }
        .data-flow-step .step-number {
            font-family: var(--hth-font-num);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--hth-accent);
            line-height: 1;
            margin-bottom: 12px;
            display: block;
        }
        .data-flow-step h5 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--hth-primary);
        }
        .data-flow-step p {
            font-size: 0.85rem;
            color: var(--hth-text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 72px 0;
            background: var(--hth-background-alt);
        }
        .faq-heading {
            text-align: center;
            margin-bottom: 40px;
        }
        .faq-heading h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--hth-primary);
            margin-bottom: 10px;
            letter-spacing: -0.015em;
        }
        .faq-heading p {
            color: var(--hth-text-muted);
            margin: 0;
            font-size: 1rem;
        }
        .accordion-item {
            border: 1px solid var(--hth-line);
            border-radius: var(--hth-radius-btn) !important;
            background: var(--hth-white);
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--hth-shadow-sm);
        }
        .accordion-button {
            background: var(--hth-white);
            color: var(--hth-primary);
            font-weight: 700;
            font-size: 1rem;
            padding: 18px 24px;
            border-radius: var(--hth-radius-btn) !important;
            box-shadow: none !important;
            transition: all var(--hth-transition);
        }
        .accordion-button:not(.collapsed) {
            background: var(--hth-white);
            color: var(--hth-primary);
            border-left: 3px solid var(--hth-accent);
            border-radius: var(--hth-radius-btn) var(--hth-radius-btn) 0 0 !important;
        }
        .accordion-button:focus {
            outline: none;
            box-shadow: none;
            border-color: var(--hth-accent);
        }
        .accordion-button::after {
            background-image: none;
            content: '\f067';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--hth-accent);
            font-size: 0.8rem;
            transition: transform var(--hth-transition);
        }
        .accordion-button:not(.collapsed)::after {
            content: '\f068';
            transform: rotate(0deg);
        }
        .accordion-body {
            padding: 18px 24px 22px;
            color: var(--hth-text-muted);
            font-size: 0.92rem;
            line-height: 1.8;
            border-left: 3px solid var(--hth-accent);
            background: rgba(184, 121, 63, 0.03);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 72px 0;
            background: linear-gradient(135deg, var(--hth-primary) 0%, var(--hth-primary-2) 100%);
            color: var(--hth-white);
        }
        .cta-inner {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .cta-info h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: -0.015em;
        }
        .cta-info p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .cta-info .contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 10px;
            font-size: 0.9rem;
        }
        .cta-info .contact-item i {
            color: var(--hth-accent-light);
            width: 20px;
        }
        .cta-form {
            background: var(--hth-white);
            border-radius: var(--hth-radius-card);
            padding: 32px 32px;
            color: var(--hth-text);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
        }
        .cta-form label {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--hth-text);
            margin-bottom: 4px;
            text-transform: none;
        }
        .cta-form .form-control {
            border: none;
            border-bottom: 1.5px solid var(--hth-line);
            border-radius: 0;
            padding: 8px 4px;
            font-size: 0.95rem;
            background: transparent;
            transition: border-color var(--hth-transition);
            box-shadow: none;
        }
        .cta-form .form-control:focus {
            border-color: var(--hth-primary);
            outline: none;
            box-shadow: none;
        }
        .cta-form .form-control::placeholder {
            color: var(--hth-text-muted);
            opacity: 0.6;
        }
        .btn-primary-custom {
            background: var(--hth-primary);
            color: var(--hth-white);
            border: none;
            padding: 12px 28px;
            border-radius: var(--hth-radius-btn);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--hth-transition);
            width: 100%;
            margin-top: 20px;
        }
        .btn-primary-custom:hover {
            background: var(--hth-accent);
            color: var(--hth-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(184, 121, 63, 0.35);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--hth-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 24px;
        }
        .site-footer h5 {
            color: var(--hth-white);
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 16px;
        }
        .site-footer p {
            font-size: 0.9rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .brand-logo-footer {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.3rem;
            color: var(--hth-white);
            margin-bottom: 14px;
        }
        .footer-brand .brand-logo-footer .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: rgba(184, 121, 63, 0.3);
            color: var(--hth-accent-light);
            border-radius: 8px;
            font-size: 1rem;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links ul li {
            margin-bottom: 8px;
        }
        .footer-links ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            transition: all var(--hth-transition);
        }
        .footer-links ul li a:hover {
            color: var(--hth-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--hth-transition);
        }
        .footer-bottom a:hover {
            color: var(--hth-accent-light);
        }
        .footer-legal {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            align-items: center;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991px) {
            .header-inner {
                flex-wrap: wrap;
                min-height: auto;
                padding: 10px 0;
            }
            .brand-logo {
                font-size: 1.3rem;
            }
            .btn-header-cta {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .category-hero h1 {
                font-size: 2.4rem;
            }
            .stats-card .stat-number {
                font-size: 2.2rem;
            }
            .featured-report-card {
                grid-template-columns: 1fr;
            }
            .featured-report-card .featured-image {
                min-height: 220px;
            }
            .deep-insight-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .data-flow-steps {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 767px) {
            .header-inner {
                flex-wrap: nowrap;
                justify-content: space-between;
                padding: 8px 0;
            }
            .header-cta {
                display: none;
            }
            .nav-chips {
                order: 3;
                width: 100%;
                flex-basis: 100%;
                padding-bottom: 6px;
            }
            .brand-logo {
                font-size: 1.25rem;
            }
            .brand-logo .logo-mark {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }
            .category-hero {
                padding: 48px 0 48px;
            }
            .category-hero h1 {
                font-size: 1.9rem;
            }
            .category-hero .hero-sub {
                font-size: 0.95rem;
            }
            .stats-card {
                padding: 24px 20px;
            }
            .stats-card .stat-number {
                font-size: 1.8rem;
            }
            .stats-card .stat-item {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                padding: 14px 8px;
            }
            .stats-card .stat-item:last-child {
                border-bottom: none;
            }
            .report-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .featured-report-card .featured-content {
                padding: 24px 20px;
            }
            .featured-report-card h3 {
                font-size: 1.25rem;
            }
            .reports-heading {
                flex-direction: column;
                align-items: flex-start;
            }
            .data-flow-steps {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .cta-form {
                padding: 24px 20px;
            }
            .filter-bar {
                padding: 8px 14px;
                border-radius: 12px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.55rem;
            }
            .filter-label {
                display: none;
            }
            .filter-chip {
                padding: 5px 12px;
                font-size: 0.75rem;
            }
            .featured-report-card .featured-image {
                min-height: 160px;
            }
        }