/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --hth-primary: #2F5846;
            --hth-dark: #1D2A25;
            --hth-gold: #C09A5E;
            --hth-gold-dark: #A8814C;
            --hth-bg: #F6F4F0;
            --hth-card: #FFFFFF;
            --hth-text: #1F1F1C;
            --hth-muted: #6F736F;
            --hth-border: #E3DED7;
            --hth-danger: #B5493F;
            --hth-radius: 4px;
            --hth-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            --hth-shadow-hover: 0 14px 30px rgba(0, 0, 0, 0.09);
            --hth-transition: 200ms ease-out;
            --hth-font-serif: 'Noto Serif SC', 'STSong', 'SimSun', serif;
            --hth-font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--hth-font-sans);
            font-size: 1rem;
            line-height: 1.8;
            color: var(--hth-text);
            background: var(--hth-bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--hth-transition);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            font-family: var(--hth-font-serif);
            font-weight: 600;
            line-height: 1.25;
            color: var(--hth-text);
        }
        p {
            margin: 0;
        }

        /* ===== 容器 ===== */
        .hth-container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .hth-narrow {
            max-width: 720px;
        }

        /* ===== 按钮体系 ===== */
        .hth-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            border-radius: 0;
            font-size: 0.9375rem;
            font-weight: 500;
            letter-spacing: 0.08em;
            transition: background-color var(--hth-transition), color var(--hth-transition), transform var(--hth-transition), box-shadow var(--hth-transition);
            white-space: nowrap;
        }
        .hth-btn:focus-visible {
            outline: 2px solid var(--hth-gold);
            outline-offset: 2px;
        }
        .hth-btn--primary {
            background: var(--hth-primary);
            color: #fff;
        }
        .hth-btn--primary:hover {
            background: var(--hth-gold-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--hth-shadow-hover);
        }
        .hth-btn--outline {
            border: 1px solid var(--hth-primary);
            color: var(--hth-primary);
            background: transparent;
        }
        .hth-btn--outline:hover {
            background: rgba(47, 88, 70, 0.06);
            color: var(--hth-primary);
        }
        .hth-btn--gold {
            background: var(--hth-gold);
            color: var(--hth-dark);
        }
        .hth-btn--gold:hover {
            background: var(--hth-gold-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--hth-shadow-hover);
        }
        .hth-btn--sm {
            height: 40px;
            padding: 0 20px;
            font-size: 0.875rem;
        }
        .hth-btn--disabled,
        .hth-btn:disabled {
            background: #C8C4BD;
            color: #F6F4F0;
            cursor: not-allowed;
            box-shadow: none;
            transform: none;
        }

        /* ===== 标签 / 徽章 ===== */
        .hth-badge {
            display: inline-block;
            font-size: 0.8125rem;
            line-height: 1.4;
            letter-spacing: 0.04em;
            color: var(--hth-primary);
            background: rgba(47, 88, 70, 0.08);
            border-radius: 999px;
            padding: 4px 14px;
            font-weight: 500;
        }
        .hth-badge--line {
            background: transparent;
            border: 1px solid var(--hth-border);
            color: var(--hth-muted);
        }
        .hth-badge--gold {
            background: rgba(192, 154, 94, 0.15);
            color: var(--hth-gold-dark);
        }

        /* ===== 顶部导航 ===== */
        .hth-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1040;
            background: var(--hth-bg);
            transition: background-color 300ms ease-out, box-shadow 300ms ease-out, border-color 300ms ease-out;
            border-bottom: 1px solid transparent;
        }
        .hth-header.scrolled {
            background: rgba(246, 244, 240, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom-color: var(--hth-border);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
        }
        .hth-header__bar {
            display: none;
        }
        .hth-header__desktop {
            height: 72px;
        }
        .hth-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .hth-logo {
            font-family: var(--hth-font-serif);
            font-size: 1.375rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--hth-text);
            white-space: nowrap;
            line-height: 1.2;
        }
        .hth-logo:hover {
            color: var(--hth-primary);
        }
        .hth-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .hth-nav__link {
            position: relative;
            font-size: 0.9375rem;
            letter-spacing: 0.04em;
            color: var(--hth-muted);
            padding: 6px 2px;
            transition: color var(--hth-transition);
        }
        .hth-nav__link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--hth-gold);
            transition: width var(--hth-transition);
        }
        .hth-nav__link:hover,
        .hth-nav__link.active {
            color: var(--hth-primary);
        }
        .hth-nav__link:hover::after,
        .hth-nav__link.active::after {
            width: 100%;
        }
        .hth-header__cta {
            height: 40px;
            padding: 0 22px;
        }

        /* 移动端折叠菜单 */
        .hth-header__mobile {
            display: none;
            background: rgba(246, 244, 240, 0.98);
            border-bottom: 1px solid var(--hth-border);
            padding: 12px 24px 20px;
        }
        .hth-header__mobile .hth-nav {
            flex-direction: column;
            align-items: flex-start;
            gap: 0;
        }
        .hth-header__mobile .hth-nav__link {
            display: block;
            width: 100%;
            padding: 12px 0;
            border-bottom: 1px solid var(--hth-border);
            font-size: 1rem;
        }
        .hth-header__mobile .hth-nav__link:last-child {
            border-bottom: none;
        }

        /* ===== Hero ===== */
        .hth-hero {
            position: relative;
            min-height: min(760px, 92vh);
            display: flex;
            align-items: flex-end;
            background: var(--hth-dark);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            isolation: isolate;
            overflow: hidden;
            padding: 0 0 80px;
        }
        .hth-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            z-index: -1;
            background: linear-gradient(180deg, rgba(29, 42, 37, 0.2) 0%, rgba(29, 42, 37, 0.82) 100%);
        }
        .hth-hero__content {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
            color: #fff;
            text-align: left;
        }
        .hth-hero__label {
            display: inline-block;
            font-size: 0.875rem;
            letter-spacing: 0.2em;
            color: var(--hth-gold);
            margin-bottom: 24px;
            font-weight: 500;
        }
        .hth-hero__title {
            font-family: var(--hth-font-serif);
            font-size: clamp(3rem, 7vw, 5.25rem);
            font-weight: 700;
            line-height: 1.1;
            color: #fff;
            margin-bottom: 20px;
            max-width: 700px;
            word-break: keep-all;
            animation: hthHeroUp 600ms ease-out both;
        }
        .hth-hero__subtitle {
            font-size: 1.125rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.85);
            max-width: 420px;
            margin-bottom: 36px;
            animation: hthHeroUp 600ms ease-out 200ms both;
        }
        .hth-hero__buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            animation: hthHeroUp 600ms ease-out 400ms both;
        }

        @keyframes hthHeroUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ===== 板块通用 ===== */
        .hth-section {
            padding: 100px 0;
        }
        .hth-section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 48px;
        }
        .hth-section-head__label {
            display: inline-block;
            font-size: 0.8125rem;
            letter-spacing: 0.16em;
            color: var(--hth-gold-dark);
            font-weight: 600;
            margin-bottom: 10px;
            text-transform: uppercase;
        }
        .hth-section-head__title {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 600;
            line-height: 1.25;
            color: var(--hth-text);
        }
        .hth-section-head__link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9375rem;
            color: var(--hth-primary);
            font-weight: 500;
            letter-spacing: 0.04em;
            white-space: nowrap;
            transition: color var(--hth-transition);
        }
        .hth-section-head__link .hth-arrow {
            transition: transform var(--hth-transition);
        }
        .hth-section-head__link:hover {
            color: var(--hth-gold-dark);
        }
        .hth-section-head__link:hover .hth-arrow {
            transform: translateX(4px);
        }

        /* ===== 目录卡片 ===== */
        .hth-catalog {
            background: var(--hth-bg);
        }
        .hth-catalog-card {
            position: relative;
            display: block;
            overflow: hidden;
            border-radius: var(--hth-radius);
            height: 300px;
            background: var(--hth-dark);
            box-shadow: var(--hth-shadow);
            transition: box-shadow var(--hth-transition), transform var(--hth-transition);
            isolation: isolate;
        }
        .hth-catalog-card--sm {
            height: 240px;
        }
        .hth-catalog-card:hover {
            box-shadow: var(--hth-shadow-hover);
            transform: translateY(-3px);
        }
        .hth-catalog-card__img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
        }
        .hth-catalog-card:hover .hth-catalog-card__img {
            transform: scale(1.03);
        }
        .hth-catalog-card__veil {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(29, 42, 37, 0.1) 0%, rgba(29, 42, 37, 0.75) 100%);
        }
        .hth-catalog-card__body {
            position: absolute;
            left: 0;
            bottom: 0;
            padding: 28px;
            width: 100%;
            color: #fff;
        }
        .hth-catalog-card__title {
            font-family: var(--hth-font-serif);
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: #fff;
        }
        .hth-catalog-card__desc {
            font-size: 0.9375rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.8);
            max-width: 90%;
            margin-bottom: 10px;
        }
        .hth-catalog-card__arrow {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.9375rem;
            color: var(--hth-gold);
            margin-top: 4px;
        }
        .hth-catalog-card__arrow svg {
            transition: transform var(--hth-transition);
        }
        .hth-catalog-card:hover .hth-catalog-card__arrow svg {
            transform: translateX(4px);
        }

        /* ===== 最新动态 ===== */
        .hth-news {
            background: var(--hth-card);
        }
        .hth-news-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: stretch;
        }
        .hth-news-feature {
            background: var(--hth-bg);
            border: 1px solid var(--hth-border);
            border-radius: var(--hth-radius);
            overflow: hidden;
            transition: box-shadow var(--hth-transition), transform var(--hth-transition);
        }
        .hth-news-feature:hover {
            box-shadow: var(--hth-shadow-hover);
            transform: translateY(-3px);
        }
        .hth-news-feature__link {
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .hth-news-feature__cover {
            width: 100%;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }
        .hth-news-feature__cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
        }
        .hth-news-feature:hover .hth-news-feature__cover img {
            transform: scale(1.03);
        }
        .hth-news-feature__body {
            padding: 28px 32px 32px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            gap: 14px;
        }
        .hth-news-feature__body h3 {
            font-size: 1.5rem;
            line-height: 1.4;
            font-weight: 600;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .hth-news-feature__body p {
            color: var(--hth-muted);
            font-size: 0.9375rem;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .hth-news-meta {
            font-size: 0.875rem;
            color: var(--hth-muted);
            letter-spacing: 0.04em;
        }
        .hth-news-list {
            display: flex;
            flex-direction: column;
            border-top: 1px solid var(--hth-border);
        }
        .hth-news-list__item {
            display: block;
            padding: 20px 0;
            border-bottom: 1px solid var(--hth-border);
            transition: padding-left var(--hth-transition), opacity var(--hth-transition);
        }
        .hth-news-list__item:hover {
            padding-left: 6px;
        }
        .hth-news-list__item h4 {
            font-family: var(--hth-font-sans);
            font-size: 1.0625rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            margin: 8px 0 6px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--hth-transition);
        }
        .hth-news-list__item:hover h4 {
            color: var(--hth-primary);
        }
        .hth-news-list__item p {
            font-size: 0.875rem;
            color: var(--hth-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 6px;
        }
        .hth-news-empty {
            text-align: center;
            padding: 80px 24px;
            background: var(--hth-bg);
            border: 1px dashed var(--hth-border);
            border-radius: var(--hth-radius);
        }
        .hth-news-empty p {
            font-size: 1.125rem;
            color: var(--hth-muted);
            margin-bottom: 20px;
        }

        /* ===== 官方说明（深色） ===== */
        .hth-statement {
            background: var(--hth-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 120px 0;
        }
        .hth-statement .hth-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
            align-items: start;
        }
        .hth-statement__quote {
            font-family: var(--hth-font-serif);
            font-size: clamp(1.75rem, 2.5vw, 2.5rem);
            line-height: 1.4;
            font-weight: 600;
            color: #fff;
            max-width: 420px;
        }
        .hth-statement__quote span {
            color: var(--hth-gold);
        }
        .hth-statement__text p {
            font-size: 1rem;
            line-height: 1.9;
            margin-bottom: 1.5em;
            color: rgba(255, 255, 255, 0.78);
        }
        .hth-statement__text p:last-child {
            margin-bottom: 0;
        }
        .hth-statement__data {
            grid-column: 1 / -1;
            display: flex;
            flex-wrap: wrap;
            gap: 32px 80px;
            margin-top: 32px;
        }
        .hth-statement__data-item {
            padding: 24px 0 0 24px;
            border-left: 2px solid var(--hth-gold);
        }
        .hth-statement__data-item--offset {
            margin-top: 28px;
        }
        .hth-statement__data-item--offset2 {
            margin-top: 56px;
        }
        .hth-statement__data-num {
            font-family: var(--hth-font-serif);
            font-size: 2.75rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.1;
            margin-bottom: 4px;
        }
        .hth-statement__data-label {
            font-size: 0.9375rem;
            color: rgba(255, 255, 255, 0.65);
            letter-spacing: 0.04em;
        }

        /* ===== 继续探索 ===== */
        .hth-explore {
            background: var(--hth-bg);
        }
        .hth-explore__track {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 12px;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .hth-explore__track::-webkit-scrollbar {
            display: none;
        }
        .hth-explore-card {
            flex: 0 0 250px;
            background: var(--hth-card);
            border: 1px solid var(--hth-border);
            border-radius: var(--hth-radius);
            overflow: hidden;
            transition: box-shadow var(--hth-transition), transform var(--hth-transition);
        }
        .hth-explore-card:hover {
            box-shadow: var(--hth-shadow-hover);
            transform: translateY(-3px);
        }
        .hth-explore-card__cover {
            width: 100%;
            aspect-ratio: 4 / 3;
            overflow: hidden;
        }
        .hth-explore-card__cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
        }
        .hth-explore-card:hover .hth-explore-card__cover img {
            transform: scale(1.03);
        }
        .hth-explore-card__body {
            padding: 16px 20px 20px;
        }
        .hth-explore-card__body .hth-badge {
            margin-bottom: 8px;
        }
        .hth-explore-card__body h4 {
            font-family: var(--hth-font-sans);
            font-size: 1rem;
            font-weight: 600;
            line-height: 1.4;
            color: var(--hth-text);
            transition: color var(--hth-transition);
        }
        .hth-explore-card:hover .hth-explore-card__body h4 {
            color: var(--hth-primary);
        }

        /* ===== 收藏 CTA ===== */
        .hth-cta {
            background: var(--hth-card);
            text-align: center;
            padding: 120px 0;
        }
        .hth-cta__icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(192, 154, 94, 0.12);
            color: var(--hth-gold-dark);
            margin-bottom: 28px;
        }
        .hth-cta__title {
            font-family: var(--hth-font-serif);
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 600;
            margin-bottom: 14px;
        }
        .hth-cta__desc {
            font-size: 1.0625rem;
            color: var(--hth-muted);
            max-width: 480px;
            margin: 0 auto 36px;
        }
        .hth-cta__buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }

        /* ===== 页脚 ===== */
        .hth-footer {
            background: var(--hth-dark);
            color: rgba(255, 255, 255, 0.72);
            padding: 72px 0 28px;
        }
        .hth-footer__top {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 56px;
        }
        .hth-footer__brand {
            max-width: 300px;
        }
        .hth-footer__brand .hth-logo {
            color: #fff;
            font-size: 1.5rem;
            display: inline-block;
            margin-bottom: 12px;
        }
        .hth-footer__brand p {
            font-size: 0.9375rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
        }
        .hth-footer__col h5 {
            font-family: var(--hth-font-sans);
            font-size: 0.9375rem;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.08em;
            margin-bottom: 18px;
        }
        .hth-footer__col ul li {
            margin-bottom: 10px;
        }
        .hth-footer__col a {
            font-size: 0.9375rem;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--hth-transition), padding-left var(--hth-transition);
        }
        .hth-footer__col a:hover {
            color: var(--hth-gold);
            padding-left: 4px;
        }
        .hth-footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.42);
        }

        /* ===== 移动端底部 Tab ===== */
        .hth-mobile-tabbar {
            display: none;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .hth-news-grid {
                grid-template-columns: 1fr;
            }
            .hth-statement .hth-container {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hth-footer__top {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 767.98px) {
            .hth-section {
                padding: 64px 0;
            }

            /* 顶部薄品牌条 */
            .hth-header__desktop {
                display: none;
            }
            .hth-header__bar {
                display: flex;
                align-items: center;
                justify-content: space-between;
                height: 40px;
                padding: 0 16px;
                background: var(--hth-bg);
                border-bottom: 1px solid var(--hth-border);
            }
            .hth-header__bar .hth-logo {
                font-size: 1.0625rem;
            }
            .hth-header__toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
                width: 32px;
                height: 32px;
                color: var(--hth-text);
                border-radius: var(--hth-radius);
            }
            .hth-header__toggle:hover {
                background: rgba(0, 0, 0, 0.04);
            }
            .hth-header__mobile {
                display: none;
            }
            .hth-header__mobile.show {
                display: block;
                position: fixed;
                top: 40px;
                left: 0;
                width: 100%;
                max-height: calc(100vh - 104px);
                overflow-y: auto;
                z-index: 1035;
            }
            body.hth-menu-open .hth-header__mobile {
                display: block;
            }

            /* Hero */
            .hth-hero {
                min-height: 580px;
                padding-bottom: 56px;
                align-items: flex-end;
            }
            .hth-hero__title {
                font-size: clamp(2.5rem, 11vw, 3.5rem);
                white-space: normal;
            }

            /* 目录 */
            .hth-catalog-card,
            .hth-catalog-card--sm {
                height: 260px;
                margin-bottom: 20px;
            }

            /* 区块标题 */
            .hth-section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                margin-bottom: 32px;
            }

            /* 官方说明 */
            .hth-statement {
                padding: 64px 0;
            }
            .hth-statement__data-item--offset,
            .hth-statement__data-item--offset2 {
                margin-top: 0;
            }

            /* CTA */
            .hth-cta {
                padding: 64px 0;
            }

            /* 页脚 */
            .hth-footer {
                padding: 48px 0 96px;
            }
            .hth-footer__top {
                grid-template-columns: 1fr;
                gap: 32px;
                margin-bottom: 32px;
            }

            /* 底部 Tab */
            .hth-mobile-tabbar {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                width: 100%;
                height: 64px;
                background: #fff;
                border-top: 1px solid var(--hth-border);
                z-index: 1040;
                align-items: stretch;
            }
            .hth-mobile-tab {
                flex: 1;
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 2px;
                font-size: 0.75rem;
                letter-spacing: 0.04em;
                color: var(--hth-muted);
                transition: color var(--hth-transition);
            }
            .hth-mobile-tab svg {
                width: 20px;
                height: 20px;
            }
            .hth-mobile-tab.active {
                color: var(--hth-primary);
                font-weight: 600;
            }
            body {
                padding-bottom: 64px;
            }
        }
        @media (max-width: 575.98px) {
            .hth-container {
                padding: 0 16px;
            }
            .hth-hero__content {
                padding: 0 16px;
            }
            .hth-hero__buttons .hth-btn {
                width: 100%;
            }
            .hth-news-feature__body {
                padding: 20px;
            }
            .hth-news-feature__body h3 {
                font-size: 1.25rem;
            }
        }

        /* ===== 减少动效 ===== */
        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
            html {
                scroll-behavior: auto;
            }
        }

        /* ===== 工具类补充 ===== */
        .hth-arrow {
            display: inline-block;
            transition: transform var(--hth-transition);
        }
        .hth-link-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--hth-primary);
            letter-spacing: 0.04em;
            transition: color var(--hth-transition);
        }
        .hth-link-more:hover {
            color: var(--hth-gold-dark);
        }
        .hth-link-more .hth-arrow {
            transition: transform var(--hth-transition);
        }
        .hth-link-more:hover .hth-arrow {
            transform: translateX(4px);
        }
        .hth-divider {
            height: 1px;
            background: var(--hth-border);
            border: none;
        }

/* roulang page: article */
:root {
            --hth-primary: #2F5846;
            --hth-dark: #1D2A25;
            --hth-gold: #C09A5E;
            --hth-gold-dark: #A8814C;
            --hth-bg: #F6F4F0;
            --hth-white: #FFFFFF;
            --hth-text: #1F1F1C;
            --hth-text-light: #6F736F;
            --hth-border: #E3DED7;
            --hth-error: #B5493F;
            --hth-radius: 4px;
            --hth-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --hth-shadow-lg: 0 14px 30px rgba(0, 0, 0, 0.09);
            --hth-font-serif: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
            --hth-font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--hth-font-sans);
            font-size: 1rem;
            line-height: 1.8;
            color: var(--hth-text);
            background: var(--hth-bg);
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--hth-primary);
            text-decoration: none;
            transition: color 0.2s ease-out;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        .hth-container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 575.98px) {
            .hth-container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        .hth-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--hth-bg);
        }

        .hth-header__bar {
            display: none;
            height: 40px;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            border-bottom: 1px solid var(--hth-border);
        }

        .hth-header__bar .hth-logo {
            font-size: 1rem;
        }

        .hth-header__toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: transparent;
            border: none;
            color: var(--hth-primary);
            cursor: pointer;
        }

        .hth-header__desktop {
            border-bottom: 1px solid transparent;
            transition: background 0.3s ease-out, border-color 0.3s ease-out;
        }

        .hth-header--scrolled .hth-header__desktop {
            background: rgba(246, 244, 240, 0.88);
            -webkit-backdrop-filter: blur(14px);
            backdrop-filter: blur(14px);
            border-bottom-color: var(--hth-border);
        }

        .hth-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .hth-logo {
            font-family: var(--hth-font-serif);
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: 0.04em;
            color: var(--hth-primary);
            text-decoration: none;
            white-space: nowrap;
        }

        .hth-logo:hover {
            color: var(--hth-primary);
        }

        .hth-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hth-nav__link {
            font-size: 0.9375rem;
            letter-spacing: 0.04em;
            color: var(--hth-text-light);
            padding: 8px 14px;
            position: relative;
            text-decoration: none;
            transition: color 0.2s ease-out;
            border-radius: var(--hth-radius);
        }

        .hth-nav__link:hover {
            color: var(--hth-primary);
        }

        .hth-nav__link.active {
            color: var(--hth-primary);
            font-weight: 600;
        }

        .hth-nav__link.active::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 0;
            height: 2px;
            background: var(--hth-gold);
        }

        .hth-header__mobile {
            display: none;
            border-top: 1px solid var(--hth-border);
            background: var(--hth-bg);
            padding: 8px 16px 16px;
        }

        .hth-header__mobile .hth-nav {
            flex-direction: column;
            align-items: stretch;
        }

        .hth-header__mobile .hth-nav__link {
            padding: 12px 16px;
        }

        .hth-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            font-size: 0.9375rem;
            letter-spacing: 0.08em;
            border: 1px solid transparent;
            border-radius: 0;
            cursor: pointer;
            text-decoration: none;
            transition: all 0.2s ease-out;
            white-space: nowrap;
            background: transparent;
            color: var(--hth-text);
        }

        .hth-btn:focus-visible {
            outline: 2px solid var(--hth-gold);
            outline-offset: 2px;
        }

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

        .hth-btn--primary:hover {
            background: var(--hth-gold-dark);
            color: #fff;
        }

        .hth-btn--outline {
            border-color: var(--hth-primary);
            color: var(--hth-primary);
            background: transparent;
        }

        .hth-btn--outline:hover {
            background: rgba(47, 88, 70, 0.06);
            color: var(--hth-primary);
        }

        .hth-btn--gold {
            background: var(--hth-gold);
            color: var(--hth-dark);
        }

        .hth-btn--gold:hover {
            background: var(--hth-gold-dark);
            color: #fff;
        }

        .hth-btn--outline-light {
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }

        .hth-btn--outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        .hth-article-page {
            padding-top: 72px;
        }

        .hth-breadcrumb {
            padding: 32px 0 8px;
            font-size: 0.875rem;
            color: var(--hth-text-light);
            letter-spacing: 0.04em;
        }

        .hth-breadcrumb a {
            color: var(--hth-primary);
        }

        .hth-breadcrumb__sep {
            margin: 0 8px;
            color: var(--hth-border);
        }

        .hth-breadcrumb__current {
            color: var(--hth-text-light);
        }

        .hth-article {
            max-width: 720px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 575.98px) {
            .hth-article {
                padding: 0 16px;
            }
        }

        .hth-article__head {
            text-align: left;
            padding: 32px 0 40px;
        }

        .hth-badge {
            display: inline-block;
            background: var(--hth-gold);
            color: #fff;
            font-size: 0.8125rem;
            letter-spacing: 0.08em;
            padding: 4px 16px;
            border-radius: 999px;
            margin-bottom: 20px;
        }

        .hth-article__head h1 {
            font-family: var(--hth-font-serif);
            font-size: clamp(2rem, 4vw, 2.5rem);
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 16px;
            color: var(--hth-text);
        }

        .hth-article__meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--hth-text-light);
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }

        .hth-article__meta .dot {
            color: var(--hth-gold);
        }

        .hth-article__summary {
            font-size: 1.125rem;
            line-height: 1.8;
            color: var(--hth-text-light);
            margin: 0;
            border-left: 2px solid var(--hth-gold);
            padding-left: 16px;
        }

        .hth-article__body {
            font-size: 1rem;
            line-height: 1.85;
            color: var(--hth-text);
            border-top: 1px solid var(--hth-border);
            padding-top: 40px;
        }

        .hth-article__body p {
            margin-bottom: 1.5em;
            text-align: left;
        }

        .hth-article__body h2 {
            font-family: var(--hth-font-serif);
            font-size: 1.5rem;
            font-weight: 600;
            line-height: 1.3;
            margin: 2.5em 0 1em;
            padding-left: 12px;
            border-left: 3px solid var(--hth-gold);
        }

        .hth-article__body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            line-height: 1.4;
            margin: 2em 0 0.75em;
        }

        .hth-article__body img {
            max-width: 100%;
            border-radius: var(--hth-radius);
            margin: 1.5em 0;
        }

        .hth-article__body ul,
        .hth-article__body ol {
            margin: 1em 0 1.5em;
            padding-left: 1.5em;
        }

        .hth-article__body li {
            margin-bottom: 0.5em;
        }

        .hth-article__body li::marker {
            color: var(--hth-primary);
        }

        .hth-article__body blockquote {
            border-left: 2px solid var(--hth-gold);
            background: var(--hth-bg);
            padding: 1.5rem 1.75rem;
            margin: 1.75em 0;
            color: var(--hth-text-light);
            border-radius: 0 var(--hth-radius) var(--hth-radius) 0;
        }

        .hth-article__body blockquote p:last-child {
            margin-bottom: 0;
        }

        .hth-article__body a {
            color: var(--hth-primary);
            text-decoration: underline dotted;
            text-underline-offset: 4px;
            text-decoration-color: var(--hth-gold);
        }

        .hth-article__body a:hover {
            text-decoration: underline solid;
            text-decoration-color: var(--hth-gold-dark);
        }

        .hth-article__body figcaption {
            font-size: 0.875rem;
            color: var(--hth-text-light);
            text-align: center;
            margin-top: -12px;
            margin-bottom: 1.5em;
        }

        .hth-article__body hr {
            border: none;
            border-top: 1px solid var(--hth-border);
            margin: 2.5em 0;
        }

        .hth-article__body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
        }

        .hth-article__body th,
        .hth-article__body td {
            border: 1px solid var(--hth-border);
            padding: 10px 14px;
            text-align: left;
        }

        .hth-article__body th {
            background: var(--hth-bg);
            font-weight: 600;
        }

        .hth-article__body code {
            background: var(--hth-bg);
            padding: 2px 8px;
            border-radius: 3px;
            font-size: 0.9em;
        }

        .hth-article__body pre {
            background: var(--hth-dark);
            color: #f0f0f0;
            padding: 20px;
            border-radius: var(--hth-radius);
            overflow-x: auto;
            margin: 1.5em 0;
        }

        .hth-article__body pre code {
            background: transparent;
            padding: 0;
            color: inherit;
        }

        .hth-article__missing {
            text-align: center;
            padding: 80px 24px;
            border-top: 1px solid var(--hth-border);
        }

        .hth-article__missing h2 {
            font-family: var(--hth-font-serif);
            font-size: 2rem;
            margin-bottom: 12px;
        }

        .hth-article__missing p {
            color: var(--hth-text-light);
            margin-bottom: 24px;
        }

        .hth-article__bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            border-top: 1px solid var(--hth-border);
            margin-top: 40px;
            padding: 24px 0;
        }

        .hth-article__tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .hth-tag {
            display: inline-block;
            background: var(--hth-bg);
            border: 1px solid var(--hth-border);
            border-radius: 999px;
            padding: 4px 14px;
            font-size: 0.8125rem;
            letter-spacing: 0.04em;
            color: var(--hth-text-light);
        }

        .hth-article__share .hth-btn {
            height: 40px;
            padding: 0 20px;
            font-size: 0.875rem;
        }

        .hth-related {
            background: var(--hth-bg);
            padding: 80px 0;
        }

        .hth-related__head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 32px;
        }

        .hth-related__head .hth-label {
            font-size: 0.8125rem;
            letter-spacing: 0.2em;
            color: var(--hth-gold-dark);
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .hth-related__head h2 {
            font-family: var(--hth-font-serif);
            font-size: clamp(1.75rem, 3vw, 2.25rem);
            font-weight: 600;
            margin: 0;
        }

        .hth-related__grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        @media (max-width: 991.98px) {
            .hth-related__grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 575.98px) {
            .hth-related__grid {
                grid-template-columns: 1fr;
            }
        }

        .hth-related-card {
            background: var(--hth-white);
            border: 1px solid var(--hth-border);
            border-radius: var(--hth-radius);
            overflow: hidden;
            display: block;
            color: var(--hth-text);
            text-decoration: none;
            transition: transform 0.2s ease-out, box-shadow 0.2s ease-out;
        }

        .hth-related-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--hth-shadow-lg);
            color: var(--hth-text);
        }

        .hth-related-card__cover {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }

        .hth-related-card__cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
        }

        .hth-related-card:hover .hth-related-card__cover img {
            transform: scale(1.03);
        }

        .hth-related-card__body {
            padding: 20px;
        }

        .hth-related-card__cat {
            font-size: 0.8125rem;
            letter-spacing: 0.08em;
            color: var(--hth-gold-dark);
            margin-bottom: 6px;
        }

        .hth-related-card__title {
            font-size: 1rem;
            font-weight: 600;
            line-height: 1.5;
            margin: 0;
        }

        .hth-back {
            max-width: 720px;
            margin: 0 auto;
            padding: 24px;
        }

        .hth-back a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9375rem;
            color: var(--hth-primary);
            transition: transform 0.2s ease-out, color 0.2s ease-out;
        }

        .hth-back a:hover {
            color: var(--hth-gold-dark);
            transform: translateX(-4px);
        }

        .hth-cta--dark {
            background: var(--hth-dark);
            color: #fff;
            padding: 96px 0;
        }

        .hth-cta__inner {
            text-align: center;
            max-width: 720px;
        }

        .hth-cta__icon {
            font-size: 2rem;
            color: var(--hth-gold);
            margin-bottom: 16px;
        }

        .hth-cta--dark h2 {
            font-family: var(--hth-font-serif);
            font-size: clamp(1.75rem, 2.5vw, 2.5rem);
            font-weight: 600;
            margin-bottom: 12px;
        }

        .hth-cta--dark p {
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 32px;
        }

        .hth-cta__btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hth-footer {
            background: #151d19;
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 24px;
        }

        .hth-footer__top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        @media (max-width: 767.98px) {
            .hth-footer__top {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        .hth-footer__brand .hth-logo {
            color: #fff;
            font-size: 1.5rem;
            display: block;
            margin-bottom: 16px;
        }

        .hth-footer__brand p {
            font-size: 0.9375rem;
            line-height: 1.8;
            margin: 0;
            max-width: 420px;
        }

        .hth-footer__col h5 {
            font-size: 0.9375rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.08em;
        }

        .hth-footer__col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .hth-footer__col li {
            margin-bottom: 8px;
        }

        .hth-footer__col a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9375rem;
            text-decoration: none;
            transition: color 0.2s ease-out;
        }

        .hth-footer__col a:hover {
            color: var(--hth-gold);
        }

        .hth-footer__bottom {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            padding-top: 24px;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .hth-tabbar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 64px;
            background: #fff;
            border-top: 1px solid var(--hth-border);
            align-items: stretch;
        }

        .hth-tabbar__item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            font-size: 0.75rem;
            color: var(--hth-text-light);
            text-decoration: none;
            transition: color 0.2s ease-out;
            padding: 4px 0;
        }

        .hth-tabbar__item svg {
            width: 20px;
            height: 20px;
        }

        .hth-tabbar__item:hover,
        .hth-tabbar__item.active {
            color: var(--hth-primary);
            font-weight: 600;
        }

        @media (max-width: 767.98px) {
            body {
                padding-bottom: 64px;
            }

            .hth-article-page {
                padding-top: 40px;
            }

            .hth-header__bar {
                display: flex;
            }

            .hth-header__desktop {
                display: none;
            }

            .hth-header__mobile.hth-header__mobile--open {
                display: block;
            }

            .hth-tabbar {
                display: flex;
            }

            .hth-breadcrumb {
                padding-top: 20px;
                font-size: 0.8125rem;
            }

            .hth-article__head {
                padding: 24px 0 32px;
            }

            .hth-article__meta {
                gap: 6px;
                font-size: 0.8125rem;
            }

            .hth-article__bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 575.98px) {
            .hth-cta--dark {
                padding: 64px 0;
            }

            .hth-related {
                padding: 64px 0;
            }

            .hth-cta__btns .hth-btn {
                width: 100%;
            }

            .hth-related__grid {
                grid-template-columns: 1fr;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

/* roulang page: category1 */
:root {
            --hth-primary: #2F5846;
            --hth-primary-dark: #1D2A25;
            --hth-gold: #C09A5E;
            --hth-gold-hover: #A8814C;
            --hth-bg: #F6F4F0;
            --hth-bg-card: #FFFFFF;
            --hth-text: #1F1F1C;
            --hth-text-weak: #6F736F;
            --hth-border: #E3DED7;
            --hth-error: #B5493F;
            --hth-radius: 4px;
            --hth-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            --hth-shadow-hover: 0 14px 30px rgba(0, 0, 0, 0.09);
            --hth-font-serif: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
            --hth-font-sans: 'Noto Sans SC', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--hth-font-sans);
            font-size: 1rem;
            line-height: 1.8;
            color: var(--hth-text);
            background-color: var(--hth-bg);
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

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

        a {
            color: var(--hth-primary);
            text-decoration: none;
            transition: color 200ms ease-out;
        }

        a:hover {
            color: var(--hth-gold-hover);
            text-decoration: none;
        }

        button {
            font-family: inherit;
            -webkit-tap-highlight-color: transparent;
        }

        h1,
        h2,
        h3,
        h4,
        h5 {
            font-family: var(--hth-font-serif);
            margin: 0 0 0.5em;
            line-height: 1.25;
            color: var(--hth-text);
        }

        p {
            margin: 0 0 1.5em;
        }

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

        .hth-container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .hth-narrow {
            max-width: 720px;
            margin: 0 auto;
        }

        .hth-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            border: 1px solid transparent;
            border-radius: 0;
            font-size: 0.9375rem;
            letter-spacing: 0.08em;
            cursor: pointer;
            transition: background 200ms ease-out, color 200ms ease-out, border-color 200ms ease-out, box-shadow 200ms ease-out;
            line-height: 1;
            white-space: nowrap;
            user-select: none;
        }

        .hth-btn:focus-visible {
            outline: 2px solid var(--hth-gold);
            outline-offset: 2px;
        }

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

        .hth-btn--primary:hover {
            background: var(--hth-gold-hover);
            color: #fff;
        }

        .hth-btn--outline {
            background: transparent;
            border-color: var(--hth-primary);
            color: var(--hth-primary);
        }

        .hth-btn--outline:hover {
            background: rgba(47, 88, 70, 0.06);
            color: var(--hth-primary);
        }

        .hth-btn--outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
        }

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

        .hth-btn--gold {
            background: var(--hth-gold);
            color: var(--hth-primary-dark);
        }

        .hth-btn--gold:hover {
            background: var(--hth-gold-hover);
            color: #fff;
        }

        .hth-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: transparent;
            transition: background 300ms ease-out, border-color 300ms ease-out, box-shadow 300ms ease-out;
        }

        .hth-header--scrolled {
            background: rgba(246, 244, 240, 0.88);
            -webkit-backdrop-filter: blur(14px);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--hth-border);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }

        .hth-header__bar {
            display: none;
        }

        .hth-header__desktop {
            height: 72px;
        }

        .hth-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .hth-logo {
            font-family: var(--hth-font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--hth-text);
            letter-spacing: 0.06em;
            text-decoration: none;
            line-height: 1.2;
            transition: color 300ms ease-out;
        }

        .hth-logo:hover {
            color: var(--hth-gold-hover);
            text-decoration: none;
        }

        .hth-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .hth-nav__link {
            font-size: 0.9375rem;
            letter-spacing: 0.08em;
            color: var(--hth-text);
            text-decoration: none;
            position: relative;
            padding: 8px 0;
            transition: color 200ms ease-out;
            line-height: 1.4;
        }

        .hth-nav__link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--hth-gold);
            transition: width 200ms ease-out;
        }

        .hth-nav__link:hover::after,
        .hth-nav__link.active::after {
            width: 100%;
        }

        .hth-nav__link:hover {
            color: var(--hth-gold-hover);
        }

        .hth-nav__link.active {
            color: var(--hth-primary);
            font-weight: 500;
        }

        .hth-header__cta {
            height: 40px;
            padding: 0 20px;
            font-size: 0.875rem;
        }

        .hth-header__mobile {
            display: none;
        }

        .hth-header--overlay .hth-logo {
            color: #fff;
        }

        .hth-header--overlay .hth-nav__link {
            color: rgba(255, 255, 255, 0.92);
        }

        .hth-header--overlay .hth-nav__link:hover {
            color: #fff;
        }

        .hth-header--overlay .hth-nav__link.active {
            color: #fff;
        }

        .hth-header--overlay .hth-nav__link.active::after {
            background: var(--hth-gold);
        }

        .hth-header--overlay .hth-header__cta {
            background: var(--hth-gold);
            color: var(--hth-primary-dark);
        }

        .hth-header--overlay .hth-header__cta:hover {
            background: var(--hth-gold-hover);
            color: #fff;
        }

        .hth-tabbar {
            display: none;
        }

        .hth-page-head {
            position: relative;
            padding: 180px 0 88px;
            background-size: cover;
            background-position: center;
            min-height: 440px;
            display: flex;
            align-items: flex-end;
        }

        .hth-page-head__overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(29, 42, 37, 0.5) 0%, rgba(29, 42, 37, 0.85) 100%);
        }

        .hth-page-head__content {
            position: relative;
            z-index: 1;
            color: #fff;
            width: 100%;
        }

        .hth-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 28px;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.6);
            flex-wrap: wrap;
        }

        .hth-breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            text-decoration: none;
            transition: color 200ms ease-out;
        }

        .hth-breadcrumb a:hover {
            color: var(--hth-gold);
        }

        .hth-breadcrumb__sep {
            color: rgba(255, 255, 255, 0.35);
        }

        .hth-page-head__label {
            display: inline-block;
            font-size: 0.8125rem;
            letter-spacing: 0.2em;
            color: var(--hth-gold);
            margin-bottom: 14px;
            border: 1px solid rgba(192, 154, 94, 0.45);
            padding: 4px 14px;
            border-radius: 999px;
            text-transform: uppercase;
        }

        .hth-page-head h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 700;
            line-height: 1.12;
            margin-bottom: 16px;
            color: #fff;
            font-family: var(--hth-font-serif);
        }

        .hth-page-head__desc {
            max-width: 640px;
            font-size: 1rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 0;
        }

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

        .hth-section--alt {
            background: var(--hth-bg-card);
        }

        .hth-section--tint {
            background: var(--hth-bg);
        }

        .hth-label {
            display: inline-block;
            font-size: 0.8125rem;
            letter-spacing: 0.2em;
            color: var(--hth-gold);
            text-transform: uppercase;
            margin-bottom: 12px;
            font-weight: 500;
        }

        .hth-section-head h2 {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 600;
            line-height: 1.25;
            color: var(--hth-text);
            margin-bottom: 16px;
        }

        .hth-section-head__desc {
            max-width: 580px;
            color: var(--hth-text-weak);
            margin-bottom: 0;
        }

        .hth-feature__img {
            position: relative;
            border-radius: var(--hth-radius);
            overflow: hidden;
            box-shadow: var(--hth-shadow);
        }

        .hth-feature__img img {
            width: 100%;
            height: auto;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            transition: transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
        }

        .hth-feature__img:hover img {
            transform: scale(1.03);
        }

        .hth-feature__body h2 {
            font-size: clamp(1.5rem, 2.2vw, 2rem);
            font-weight: 600;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .hth-feature__body>p {
            color: var(--hth-text-weak);
            margin-bottom: 24px;
        }

        .hth-points {
            margin: 0 0 32px;
        }

        .hth-points li {
            position: relative;
            padding-left: 30px;
            margin-bottom: 16px;
            font-size: 1rem;
            line-height: 1.7;
            color: var(--hth-text);
        }

        .hth-points li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.5em;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            border: 2px solid var(--hth-gold);
            background: rgba(192, 154, 94, 0.15);
        }

        .hth-timeline {
            margin-top: 48px;
        }

        .hth-timeline__item {
            position: relative;
            padding: 0 0 52px 60px;
            border-left: 1px solid var(--hth-border);
            margin-left: 6px;
        }

        .hth-timeline__item:last-child {
            padding-bottom: 0;
            border-left-color: transparent;
        }

        .hth-timeline__item::before {
            content: '';
            position: absolute;
            left: -7px;
            top: 6px;
            width: 13px;
            height: 13px;
            border-radius: 50%;
            background: var(--hth-gold);
            box-shadow: 0 0 0 3px rgba(192, 154, 94, 0.25);
        }

        .hth-timeline__date {
            display: inline-block;
            font-size: 0.875rem;
            color: var(--hth-gold);
            letter-spacing: 0.08em;
            margin-bottom: 10px;
            font-weight: 500;
        }

        .hth-timeline__body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 8px;
            font-family: var(--hth-font-sans);
            color: var(--hth-text);
        }

        .hth-timeline__body p {
            margin-bottom: 0;
            color: var(--hth-text-weak);
            max-width: 640px;
            line-height: 1.8;
        }

        .hth-quote {
            background: var(--hth-primary-dark);
            padding: 100px 0;
            color: rgba(255, 255, 255, 0.85);
        }

        .hth-quote h2 {
            font-family: var(--hth-font-serif);
            font-size: clamp(1.75rem, 2.5vw, 2.5rem);
            color: #fff;
            line-height: 1.3;
            margin-bottom: 0;
        }

        .hth-quote p {
            font-size: 1rem;
            line-height: 1.9;
            margin-bottom: 1.5em;
            color: rgba(255, 255, 255, 0.72);
        }

        .hth-quote p:last-child {
            margin-bottom: 0;
        }

        .hth-quote__accent {
            color: var(--hth-gold);
            font-size: 0.875rem;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            margin-bottom: 16px;
            display: block;
        }

        .hth-mini-card {
            display: block;
            background: #fff;
            border: 1px solid var(--hth-border);
            border-radius: var(--hth-radius);
            padding: 32px 28px;
            height: 100%;
            text-decoration: none;
            transition: transform 200ms ease-out, box-shadow 200ms ease-out, border-color 200ms ease-out;
            position: relative;
        }

        .hth-mini-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--hth-shadow-hover);
            border-color: rgba(192, 154, 94, 0.4);
            text-decoration: none;
        }

        .hth-mini-card h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--hth-text);
            margin-bottom: 10px;
            font-family: var(--hth-font-sans);
        }

        .hth-mini-card p {
            color: var(--hth-text-weak);
            margin-bottom: 20px;
            font-size: 0.9375rem;
            line-height: 1.7;
        }

        .hth-mini-card__arrow {
            color: var(--hth-primary);
            font-size: 1.25rem;
            transition: transform 200ms ease-out;
            display: inline-block;
            line-height: 1;
        }

        .hth-mini-card:hover .hth-mini-card__arrow {
            transform: translateX(5px);
            color: var(--hth-gold-hover);
        }

        .hth-faq {
            margin-top: 48px;
        }

        .hth-faq .accordion-item {
            background: #fff;
            border: 1px solid var(--hth-border);
            border-radius: var(--hth-radius) !important;
            margin-bottom: 16px;
            box-shadow: var(--hth-shadow);
        }

        .hth-faq .accordion-button {
            font-size: 1rem;
            font-weight: 600;
            color: var(--hth-text);
            background: #fff;
            padding: 20px 56px 20px 24px;
            box-shadow: none;
            border-radius: var(--hth-radius) !important;
            font-family: var(--hth-font-sans);
            letter-spacing: 0.02em;
            line-height: 1.5;
        }

        .hth-faq .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232F5846' stroke-width='2' stroke-linecap='round'%3E%3Cline x1='12' y1='5' x2='12' y2='19'/%3E%3Cline x1='5' y1='12' x2='19' y2='12'/%3E%3C/svg%3E");
            background-size: 16px;
            background-position: center;
            width: 32px;
            height: 32px;
            right: 18px;
            left: auto;
            margin-left: 0;
            transition: transform 200ms ease-out;
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
        }

        .hth-faq .accordion-button:not(.collapsed)::after {
            transform: translateY(-50%) rotate(45deg);
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23C09A5E' stroke-width='2' stroke-linecap='round'%3E%3Cline x1='12' y1='5' x2='12' y2='19'/%3E%3Cline x1='5' y1='12' x2='19' y2='12'/%3E%3C/svg%3E");
        }

        .hth-faq .accordion-button:not(.collapsed) {
            color: var(--hth-primary);
            background: #fff;
        }

        .hth-faq .accordion-button:focus {
            box-shadow: none;
            border-color: var(--hth-gold);
        }

        .hth-faq .accordion-body {
            padding: 4px 24px 24px;
            color: var(--hth-text-weak);
            font-size: 0.9375rem;
            line-height: 1.8;
        }

        .hth-faq .accordion-body p {
            margin-bottom: 0;
        }

        .hth-cta {
            background: var(--hth-primary-dark);
            padding: 100px 0;
            color: #fff;
            text-align: center;
        }

        .hth-cta__icon {
            width: 56px;
            height: 56px;
            color: var(--hth-gold);
            margin: 0 auto 28px;
            display: block;
        }

        .hth-cta h2 {
            font-family: var(--hth-font-serif);
            font-size: clamp(1.75rem, 2.5vw, 2.25rem);
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .hth-cta p {
            max-width: 540px;
            margin: 0 auto 36px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
        }

        .hth-cta__actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .hth-footer {
            background: var(--hth-primary-dark);
            color: rgba(255, 255, 255, 0.72);
            padding: 64px 0 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .hth-footer__top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .hth-footer .hth-logo {
            color: #fff;
            font-size: 1.5rem;
        }

        .hth-footer__brand p {
            margin-top: 16px;
            max-width: 360px;
            font-size: 0.9375rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
        }

        .hth-footer__col h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
            font-family: var(--hth-font-sans);
            letter-spacing: 0.04em;
        }

        .hth-footer__col ul li {
            margin-bottom: 10px;
        }

        .hth-footer__col a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: color 200ms ease-out;
            font-size: 0.9375rem;
        }

        .hth-footer__col a:hover {
            color: var(--hth-gold);
        }

        .hth-footer__bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .hth-tooltip {
            position: fixed;
            bottom: 90px;
            left: 50%;
            transform: translateX(-50%) translateY(10px);
            background: var(--hth-primary-dark);
            color: #fff;
            padding: 10px 20px;
            border-radius: 4px;
            font-size: 0.875rem;
            opacity: 0;
            pointer-events: none;
            transition: opacity 200ms ease-out, transform 200ms ease-out;
            z-index: 2000;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
            white-space: nowrap;
        }

        .hth-tooltip.show {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }

        @media (max-width: 991.98px) {
            .hth-section {
                padding: 80px 0;
            }
            .hth-quote {
                padding: 80px 0;
            }
            .hth-cta {
                padding: 80px 0;
            }
            .hth-footer__top {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .hth-page-head {
                padding: 160px 0 70px;
                min-height: 400px;
            }
        }

        @media (max-width: 767.98px) {
            body {
                padding-bottom: 64px;
            }

            .hth-container {
                padding: 0 20px;
            }

            .hth-section {
                padding: 64px 0;
            }
            .hth-quote {
                padding: 64px 0;
            }
            .hth-cta {
                padding: 64px 0;
            }

            .hth-header__bar {
                display: flex;
                align-items: center;
                justify-content: space-between;
                height: 40px;
                padding: 0 16px;
                background: transparent;
                border-bottom: none;
                transition: background 300ms ease-out, border-color 300ms ease-out;
            }

            .hth-header--scrolled .hth-header__bar {
                background: rgba(246, 244, 240, 0.92);
                -webkit-backdrop-filter: blur(10px);
                backdrop-filter: blur(10px);
                border-bottom: 1px solid var(--hth-border);
            }

            .hth-header__bar .hth-logo {
                font-size: 1.125rem;
                line-height: 40px;
            }

            .hth-header--overlay .hth-logo,
            .hth-header--overlay .hth-header__toggle {
                color: #fff;
            }

            .hth-header--scrolled .hth-logo,
            .hth-header--scrolled .hth-header__toggle {
                color: var(--hth-text);
            }

            .hth-header__toggle {
                background: none;
                border: none;
                cursor: pointer;
                padding: 6px;
                display: flex;
                align-items: center;
                justify-content: center;
                color: var(--hth-text);
                transition: color 300ms ease-out;
                border-radius: 4px;
            }

            .hth-header__toggle:focus-visible {
                outline: 2px solid var(--hth-gold);
                outline-offset: 2px;
            }

            .hth-header__desktop {
                display: none;
            }

            .hth-header__mobile {
                display: none;
                background: var(--hth-bg);
                border-bottom: 1px solid var(--hth-border);
                padding: 16px 20px;
                box-shadow: 0 12px 24px rgba(0, 0, 0, 0.06);
                max-height: calc(100vh - 40px);
                overflow-y: auto;
            }

            .hth-header__mobile.open {
                display: block;
            }

            .hth-header__mobile .hth-nav {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
            }

            .hth-header__mobile .hth-nav__link {
                padding: 12px 8px;
                font-size: 1rem;
                border-bottom: 1px solid rgba(227, 222, 215, 0.6);
            }

            .hth-header__mobile .hth-nav__link:last-child {
                border-bottom: none;
            }

            .hth-header__mobile .hth-nav__link::after {
                display: none;
            }

            .hth-tabbar {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                height: 64px;
                background: #fff;
                border-top: 1px solid var(--hth-border);
                z-index: 1000;
            }

            .hth-tabbar__item {
                flex: 1;
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                color: var(--hth-text-weak);
                text-decoration: none;
                font-size: 0.6875rem;
                gap: 4px;
                transition: color 200ms ease-out;
                letter-spacing: 0.04em;
            }

            .hth-tabbar__item svg {
                width: 22px;
                height: 22px;
                display: block;
            }

            .hth-tabbar__item:hover {
                color: var(--hth-primary);
                text-decoration: none;
            }

            .hth-tabbar__item.active {
                color: var(--hth-primary);
                font-weight: 500;
            }

            .hth-page-head {
                padding: 104px 0 56px;
                min-height: 340px;
            }

            .hth-page-head h1 {
                font-size: 2.5rem;
            }

            .hth-footer__top {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-bottom: 36px;
            }

            .hth-footer__bottom {
                flex-direction: column;
                gap: 6px;
                text-align: center;
            }

            .hth-timeline__item {
                padding-left: 40px;
                padding-bottom: 40px;
            }

            .hth-cta__actions {
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
                padding: 0 20px;
            }
        }

        @media (max-width: 575.98px) {
            .hth-header__bar {
                padding: 0 14px;
            }

            .hth-container {
                padding: 0 18px;
            }

            .hth-points li {
                font-size: 0.9375rem;
            }

            .hth-mini-card {
                padding: 24px 20px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

/* roulang page: category2 */
:root {
            --hth-primary: #2F5846;
            --hth-primary-dark: #1D2A25;
            --hth-gold: #C09A5E;
            --hth-gold-hover: #A8814C;
            --hth-bg: #F6F4F0;
            --hth-card-bg: #FFFFFF;
            --hth-text: #1F1F1C;
            --hth-text-muted: #6F736F;
            --hth-border: #E3DED7;
            --hth-danger: #B5493F;
            --hth-radius: 4px;
            --hth-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            --hth-shadow-hover: 0 14px 30px rgba(0, 0, 0, 0.09);
            --hth-transition: 200ms ease-out;
            --hth-font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
            --hth-font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--hth-font-sans);
            background: var(--hth-bg);
            color: var(--hth-text);
            line-height: 1.8;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

        input {
            font-family: inherit;
        }

        .no-scroll {
            overflow: hidden;
        }

        .hth-container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .hth-container-narrow {
            max-width: 720px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .hth-eyebrow {
            display: inline-block;
            font-size: 0.875rem;
            letter-spacing: 0.2em;
            color: var(--hth-gold);
            text-transform: uppercase;
            margin-bottom: 16px;
            font-weight: 500;
        }

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

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

        .hth-section--white {
            background: #fff;
        }

        .hth-section--dark {
            background: var(--hth-primary-dark);
            color: #fff;
        }

        .hth-section-head {
            max-width: 720px;
            margin-bottom: 56px;
        }

        .hth-section-head h2 {
            font-family: var(--hth-font-serif);
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 600;
            line-height: 1.25;
            color: var(--hth-text);
            margin-bottom: 16px;
        }

        .hth-section-head p {
            color: var(--hth-text-muted);
            font-size: 1rem;
            line-height: 1.8;
        }

        .hth-section-head--center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .hth-section-head--dark h2 {
            color: #fff;
        }

        .hth-section-head--dark p {
            color: rgba(255, 255, 255, 0.72);
        }

        /* Buttons */
        .hth-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            font-size: 0.9375rem;
            letter-spacing: 0.08em;
            border-radius: 0;
            transition: all var(--hth-transition);
            font-weight: 500;
            text-decoration: none;
            line-height: 48px;
        }

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

        .hth-btn--primary:hover {
            background: var(--hth-gold-hover);
            color: #fff;
        }

        .hth-btn--outline {
            border: 1px solid var(--hth-primary);
            color: var(--hth-primary);
            background: transparent;
        }

        .hth-btn--outline:hover {
            background: rgba(47, 88, 70, 0.06);
            color: var(--hth-primary);
        }

        .hth-btn--gold {
            background: var(--hth-gold);
            color: var(--hth-primary-dark);
        }

        .hth-btn--gold:hover {
            background: var(--hth-gold-hover);
            color: #fff;
        }

        .hth-btn--block {
            width: 100%;
        }

        .hth-btn:focus-visible,
        .hth-nav__link:focus-visible,
        .hth-logo:focus-visible,
        .hth-footer a:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--hth-gold);
            outline-offset: 2px;
        }

        .hth-link-arrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--hth-primary);
            text-decoration: none;
            transition: gap var(--hth-transition);
        }

        .hth-link-arrow:hover {
            gap: 12px;
            color: var(--hth-gold-hover);
        }

        /* Header */
        .hth-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(246, 244, 240, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--hth-border);
            transition: background 300ms ease-out, box-shadow 300ms ease-out;
        }

        .hth-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
        }

        .hth-header__bar {
            display: none;
            height: 40px;
            padding: 0 16px;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid var(--hth-border);
        }

        .hth-header__bar .hth-logo {
            font-size: 1rem;
        }

        .hth-header__toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 36px;
            color: var(--hth-primary);
        }

        .hth-header__desktop {
            display: block;
            height: 72px;
        }

        .hth-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .hth-logo {
            font-family: var(--hth-font-serif);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--hth-primary-dark);
            letter-spacing: 0.04em;
            text-decoration: none;
            transition: color var(--hth-transition);
            white-space: nowrap;
        }

        .hth-logo:hover {
            color: var(--hth-gold-hover);
        }

        .hth-nav {
            display: flex;
            align-items: center;
            gap: 40px;
        }

        .hth-nav__link {
            position: relative;
            font-size: 0.9375rem;
            font-weight: 500;
            letter-spacing: 0.06em;
            color: var(--hth-text);
            text-decoration: none;
            padding: 6px 0;
            transition: color var(--hth-transition);
        }

        .hth-nav__link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--hth-gold);
            transition: width var(--hth-transition);
        }

        .hth-nav__link:hover {
            color: var(--hth-primary);
            text-decoration: none;
        }

        .hth-nav__link:hover::after {
            width: 100%;
        }

        .hth-nav__link.active {
            color: var(--hth-primary);
        }

        .hth-nav__link.active::after {
            width: 100%;
        }

        .hth-header__cta {
            height: 40px;
            line-height: 40px;
            padding: 0 22px;
            font-size: 0.875rem;
        }

        .hth-header__mobile {
            display: none;
        }

        @media (max-width: 991.98px) {
            .hth-nav {
                gap: 24px;
            }
        }

        @media (max-width: 767.98px) {
            .hth-header__bar {
                display: flex;
            }

            .hth-header__desktop {
                display: none;
            }

            .hth-header {
                background: rgba(246, 244, 240, 0.97);
            }

            .hth-header__mobile {
                display: none;
                position: fixed;
                top: 40px;
                left: 0;
                right: 0;
                background: var(--hth-bg);
                border-bottom: 1px solid var(--hth-border);
                padding: 20px 24px;
                z-index: 999;
            }

            .hth-header__mobile.open {
                display: block;
            }

            .hth-header__mobile .hth-nav {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }

            .hth-header__mobile .hth-nav__link {
                font-size: 1rem;
            }
        }

        /* Page Hero */
        .hth-page-hero {
            position: relative;
            min-height: 480px;
            padding: 160px 0 100px;
            display: flex;
            align-items: flex-end;
            overflow: hidden;
        }

        .hth-page-hero__bg {
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
            background-size: cover;
            background-position: center;
            z-index: 0;
        }

        .hth-page-hero__overlay {
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
            background: linear-gradient(0deg, rgba(29, 42, 37, 0.92) 0%, rgba(29, 42, 37, 0.55) 50%, rgba(29, 42, 37, 0.4) 100%);
            z-index: 1;
        }

        .hth-page-hero__content {
            position: relative;
            z-index: 2;
            max-width: 760px;
            animation: heroFadeUp 0.6s ease-out forwards;
        }

        .hth-page-hero__content .hth-eyebrow {
            color: var(--hth-gold);
            margin-bottom: 12px;
            display: block;
        }

        .hth-page-hero__content h1 {
            font-family: var(--hth-font-serif);
            font-size: clamp(2.5rem, 5vw, 3.75rem);
            font-weight: 700;
            line-height: 1.15;
            color: #fff;
            margin-bottom: 20px;
        }

        .hth-page-hero__content .hth-page-hero__desc {
            font-size: 1.0625rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
        }

        @keyframes heroFadeUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Split Intro */
        .hth-split {
            padding: 100px 0;
        }

        .hth-split .hth-lead-quote {
            font-family: var(--hth-font-serif);
            font-size: clamp(1.5rem, 2.4vw, 2.25rem);
            font-weight: 600;
            line-height: 1.4;
            color: var(--hth-primary-dark);
            border-left: 4px solid var(--hth-gold);
            padding-left: 28px;
            margin: 0;
        }

        .hth-split p {
            font-size: 1rem;
            line-height: 1.9;
            color: var(--hth-text);
            margin-bottom: 24px;
        }

        @media (max-width: 991px) {
            .hth-split {
                padding: 64px 0;
            }

            .hth-split .hth-lead-quote {
                margin-bottom: 40px;
            }
        }

        /* Section Header */
        .hth-section-head {
            margin-bottom: 56px;
        }

        .hth-section-head .hth-eyebrow {
            margin-bottom: 8px;
            display: inline-block;
        }

        /* Intro Cards */
        .hth-intro-cards {
            padding: 80px 0;
            background: #fff;
            border-top: 1px solid var(--hth-border);
            border-bottom: 1px solid var(--hth-border);
        }

        .hth-intro-card {
            background: var(--hth-bg);
            border: 1px solid var(--hth-border);
            border-radius: var(--hth-radius);
            padding: 36px 32px;
            height: 100%;
            transition: transform var(--hth-transition), box-shadow var(--hth-transition);
        }

        .hth-intro-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--hth-shadow-hover);
        }

        .hth-intro-card__icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--hth-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: #fff;
        }

        .hth-intro-card__icon svg {
            width: 20px;
            height: 20px;
        }

        .hth-intro-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--hth-primary-dark);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .hth-intro-card p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: var(--hth-text-muted);
            margin-bottom: 0;
        }

        /* Process Timeline */
        .hth-process {
            padding: 100px 0;
            background: var(--hth-bg);
        }

        .hth-process__timeline {
            position: relative;
            padding-left: 32px;
        }

        .hth-process__timeline::before {
            content: '';
            position: absolute;
            left: 6px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: var(--hth-border);
        }

        .hth-process__item {
            position: relative;
            padding-bottom: 48px;
        }

        .hth-process__item:last-child {
            padding-bottom: 0;
        }

        .hth-process__item::before {
            content: '';
            position: absolute;
            left: -32px;
            top: 8px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--hth-gold);
            border: 3px solid var(--hth-bg);
            box-shadow: 0 0 0 2px var(--hth-gold);
        }

        .hth-process__step {
            display: inline-block;
            font-size: 0.8125rem;
            letter-spacing: 0.1em;
            color: var(--hth-gold-hover);
            background: rgba(192, 154, 94, 0.1);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
            font-weight: 500;
        }

        .hth-process__item h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--hth-primary-dark);
            margin-bottom: 8px;
        }

        .hth-process__item p {
            color: var(--hth-text-muted);
            line-height: 1.7;
            font-size: 0.9375rem;
            max-width: 600px;
            margin-bottom: 0;
        }

        /* Scenarios */
        .hth-scenarios {
            padding: 100px 0;
            background: #fff;
        }

        .hth-scenario {
            display: flex;
            gap: 40px;
            align-items: center;
            padding: 48px 0;
            border-bottom: 1px solid var(--hth-border);
        }

        .hth-scenario:first-child {
            border-top: 1px solid var(--hth-border);
        }

        .hth-scenario__img {
            flex: 0 0 40%;
            border-radius: var(--hth-radius);
            overflow: hidden;
        }

        .hth-scenario__img img {
            width: 100%;
            height: 240px;
            object-fit: cover;
            transition: transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
        }

        .hth-scenario:hover .hth-scenario__img img {
            transform: scale(1.03);
        }

        .hth-scenario__content h3 {
            font-size: 1.375rem;
            font-weight: 600;
            color: var(--hth-primary-dark);
            margin-bottom: 12px;
            font-family: var(--hth-font-serif);
        }

        .hth-scenario__content p {
            color: var(--hth-text-muted);
            line-height: 1.8;
            margin-bottom: 0;
            font-size: 0.9375rem;
        }

        @media (max-width: 767.98px) {
            .hth-scenario {
                flex-direction: column;
                gap: 20px;
                padding: 36px 0;
            }

            .hth-scenario__img {
                flex: 0 0 100%;
                width: 100%;
            }
        }

        /* Explore Cards */
        .hth-explore {
            padding: 100px 0;
            background: var(--hth-bg);
        }

        .hth-explore-card {
            background: #fff;
            border: 1px solid var(--hth-border);
            border-radius: var(--hth-radius);
            overflow: hidden;
            height: 100%;
            text-decoration: none;
            display: block;
            transition: transform var(--hth-transition), box-shadow var(--hth-transition);
        }

        .hth-explore-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--hth-shadow-hover);
        }

        .hth-explore-card__img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--hth-bg);
        }

        .hth-explore-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
        }

        .hth-explore-card:hover .hth-explore-card__img img {
            transform: scale(1.03);
        }

        .hth-explore-card__body {
            padding: 20px 24px 24px;
        }

        .hth-explore-card__tag {
            font-size: 0.75rem;
            color: var(--hth-gold-hover);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            font-weight: 600;
            display: block;
            margin-bottom: 8px;
        }

        .hth-explore-card__body h3 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--hth-text);
            margin-bottom: 0;
            line-height: 1.4;
        }

        /* FAQ */
        .hth-faq {
            padding: 100px 0;
            background: var(--hth-primary-dark);
            color: #fff;
        }

        .hth-faq .hth-section-head h2 {
            color: #fff;
        }

        .hth-faq .hth-section-head p {
            color: rgba(255, 255, 255, 0.72);
        }

        .hth-faq__list {
            max-width: 860px;
            margin: 0 auto;
        }

        .hth-faq__item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hth-faq__item:first-child {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hth-faq__question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 28px 8px;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            text-align: left;
            background: none;
            border: none;
            transition: color var(--hth-transition);
        }

        .hth-faq__question:hover {
            color: var(--hth-gold);
        }

        .hth-faq__icon {
            flex: 0 0 28px;
            width: 28px;
            height: 28px;
            margin-left: 20px;
            position: relative;
            transition: transform 200ms ease-out;
        }

        .hth-faq__icon::before,
        .hth-faq__icon::after {
            content: '';
            position: absolute;
            background: var(--hth-gold);
            border-radius: 2px;
        }

        .hth-faq__icon::before {
            top: 13px;
            left: 3px;
            width: 22px;
            height: 2px;
        }

        .hth-faq__icon::after {
            top: 4px;
            left: 13px;
            width: 2px;
            height: 22px;
            transition: transform 200ms ease-out;
        }

        .hth-faq__item.active .hth-faq__icon {
            transform: rotate(180deg);
        }

        .hth-faq__item.active .hth-faq__icon::after {
            transform: scaleY(0);
        }

        .hth-faq__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 350ms ease-out, padding 350ms ease-out;
            padding: 0 8px;
        }

        .hth-faq__item.active .hth-faq__answer {
            max-height: 300px;
            padding-bottom: 28px;
        }

        .hth-faq__answer p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.9375rem;
            line-height: 1.8;
            margin: 0;
        }

        /* CTA */
        .hth-cta {
            padding: 100px 0;
            background: var(--hth-bg);
            text-align: center;
        }

        .hth-cta__inner {
            max-width: 720px;
            margin: 0 auto;
            padding: 56px 48px;
            background: #fff;
            border: 1px solid var(--hth-border);
            border-radius: 8px;
            box-shadow: var(--hth-shadow);
        }

        .hth-cta__icon {
            margin: 0 auto 24px;
            width: 64px;
            height: 64px;
            background: var(--hth-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
        }

        .hth-cta__icon svg {
            width: 26px;
            height: 26px;
        }

        .hth-cta h2 {
            font-family: var(--hth-font-serif);
            font-size: clamp(1.75rem, 3vw, 2.375rem);
            font-weight: 600;
            color: var(--hth-text);
            margin-bottom: 16px;
            line-height: 1.25;
        }

        .hth-cta p {
            color: var(--hth-text-muted);
            margin-bottom: 40px;
            font-size: 1rem;
        }

        .hth-cta__actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        @media (max-width: 575px) {
            .hth-cta__inner {
                padding: 48px 24px;
            }

            .hth-cta__actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hth-cta__actions .hth-btn {
                width: 100%;
            }
        }

        /* Footer */
        .hth-footer {
            background: var(--hth-primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 80px 0 40px;
        }

        .hth-footer__top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 60px;
            margin-bottom: 60px;
        }

        .hth-footer__brand .hth-logo {
            color: #fff;
            font-size: 1.375rem;
            margin-bottom: 16px;
            display: inline-block;
        }

        .hth-footer__brand p {
            font-size: 0.9375rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 360px;
            margin-top: 16px;
        }

        .hth-footer__col h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }

        .hth-footer__col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 12px;
        }

        .hth-footer__col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9375rem;
            transition: color var(--hth-transition);
            text-decoration: none;
        }

        .hth-footer__col ul li a:hover {
            color: var(--hth-gold);
        }

        .hth-footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 28px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.5);
        }

        @media (max-width: 767.98px) {
            .hth-footer {
                padding: 56px 0 88px;
            }

            .hth-footer__top {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hth-footer__bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* Bottom Tab (Mobile) */
        .hth-bottom-tab {
            display: none;
        }

        @media (max-width: 767.98px) {
            .hth-bottom-tab {
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                height: 64px;
                background: rgba(255, 255, 255, 0.96);
                backdrop-filter: blur(10px);
                -webkit-backdrop-filter: blur(10px);
                border-top: 1px solid var(--hth-border);
                display: flex;
                align-items: center;
                justify-content: space-around;
                z-index: 1100;
            }

            .hth-bottom-tab__item {
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 4px;
                font-size: 0.75rem;
                color: var(--hth-text-muted);
                text-decoration: none;
                padding: 6px 10px;
                border-radius: 8px;
                transition: color var(--hth-transition);
                line-height: 1.2;
            }

            .hth-bottom-tab__item svg {
                width: 20px;
                height: 20px;
            }

            .hth-bottom-tab__item.active {
                color: var(--hth-primary);
                font-weight: 600;
            }

            .hth-bottom-tab__item:hover {
                color: var(--hth-gold-hover);
            }
        }

        /* Utility */
        .hth-text-center {
            text-align: center;
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition: none !important;
                animation: none !important;
                scroll-behavior: auto !important;
            }
        }

/* roulang page: category3 */
:root {
            --hth-green: #2F5846;
            --hth-dark: #1D2A25;
            --hth-gold: #C09A5E;
            --hth-gold-hover: #A8814C;
            --hth-bg: #F6F4F0;
            --hth-white: #FFFFFF;
            --hth-text: #1F1F1C;
            --hth-muted: #6F736F;
            --hth-border: #E3DED7;
            --hth-radius: 4px;
            --hth-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            --hth-shadow-hover: 0 14px 30px rgba(0, 0, 0, 0.09);
            --hth-transition: 200ms ease-out;
            --hth-container: 1240px;
            --hth-narrow: 720px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            margin: 0;
            font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
            font-size: 1rem;
            line-height: 1.8;
            color: var(--hth-text);
            background: var(--hth-bg);
            -webkit-font-smoothing: antialiased;
            padding-top: 72px;
        }

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

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

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

        button,
        input {
            font-family: inherit;
        }

        .hth-container {
            max-width: var(--hth-container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }

        .hth-narrow {
            max-width: var(--hth-narrow);
            margin: 0 auto;
        }

        .hth-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            font-size: 0.9375rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            border-radius: var(--hth-radius);
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--hth-transition);
            text-decoration: none;
            white-space: nowrap;
        }

        .hth-btn--primary {
            background: var(--hth-green);
            color: #fff;
        }

        .hth-btn--primary:hover {
            background: var(--hth-gold-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(168, 129, 76, 0.3);
        }

        .hth-btn--outline {
            border-color: var(--hth-green);
            color: var(--hth-green);
            background: transparent;
        }

        .hth-btn--outline:hover {
            background: rgba(47, 88, 70, 0.06);
            color: var(--hth-green);
        }

        .hth-btn--gold {
            background: var(--hth-gold);
            color: var(--hth-dark);
        }

        .hth-btn--gold:hover {
            background: var(--hth-gold-hover);
            color: #fff;
        }

        .hth-btn:focus-visible {
            outline: 2px solid var(--hth-gold);
            outline-offset: 2px;
        }

        .hth-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            pointer-events: none;
        }

        .hth-section {
            padding: 80px 0;
        }

        .hth-section--white {
            background: #fff;
        }

        .hth-section--dark {
            background: var(--hth-dark);
            color: #E8E4DD;
        }

        .hth-section--line {
            border-top: 1px solid var(--hth-border);
            border-bottom: 1px solid var(--hth-border);
        }

        .hth-section__head {
            margin-bottom: 48px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .hth-section__label {
            display: inline-block;
            font-size: 0.8125rem;
            font-weight: 600;
            letter-spacing: 0.2em;
            color: var(--hth-gold-hover);
            text-transform: uppercase;
            margin-bottom: 12px;
            position: relative;
            padding-left: 18px;
        }

        .hth-section__label::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 10px;
            height: 1px;
            background: var(--hth-gold);
        }

        .hth-section__title {
            font-family: "Noto Serif SC", "STSong", "SimSun", serif;
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 600;
            line-height: 1.25;
            color: var(--hth-text);
            margin: 0;
        }

        .hth-section--dark .hth-section__title {
            color: #F6F4F0;
        }

        .hth-section__sub {
            font-size: 1rem;
            color: var(--hth-muted);
            max-width: 640px;
            margin: 12px 0 0;
        }

        .hth-section__more {
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--hth-green);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            text-decoration: none;
            transition: gap var(--hth-transition);
            flex-shrink: 0;
        }

        .hth-section__more:hover {
            gap: 10px;
            color: var(--hth-gold-hover);
        }

        .hth-section__more svg {
            transition: transform var(--hth-transition);
        }

        .hth-section__more:hover svg {
            transform: translateX(4px);
        }

        /* ============ Header ============ */
        .hth-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: rgba(246, 244, 240, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(227, 222, 215, 0.8);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .hth-header.scrolled {
            background: rgba(246, 244, 240, 0.88);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        }

        .hth-header__bar {
            display: none;
        }

        .hth-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .hth-logo {
            font-family: "Noto Serif SC", "STSong", "SimSun", serif;
            font-size: 1.375rem;
            font-weight: 700;
            color: var(--hth-dark);
            letter-spacing: 0.02em;
            text-decoration: none;
            line-height: 1.2;
            white-space: nowrap;
        }

        .hth-logo:hover {
            color: var(--hth-green);
        }

        .hth-nav {
            display: flex;
            gap: 32px;
            align-items: center;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .hth-nav__link {
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--hth-muted);
            text-decoration: none;
            letter-spacing: 0.04em;
            transition: color var(--hth-transition), border-color var(--hth-transition);
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            line-height: 1.6;
        }

        .hth-nav__link:hover {
            color: var(--hth-green);
        }

        .hth-nav__link.active {
            color: var(--hth-green);
            font-weight: 600;
            border-bottom-color: var(--hth-gold);
        }

        .hth-header__cta {
            flex-shrink: 0;
        }

        .hth-header__toggle {
            display: none;
        }

        .hth-header__mobile {
            display: none;
        }

        /* ============ Mobile Tab Bar ============ */
        .hth-tabbar {
            display: none;
        }

        /* ============ Page Hero ============ */
        .hth-pagehero {
            position: relative;
            padding: 88px 0 80px;
            background-color: var(--hth-dark);
            background-image: url('/assets/images/coverpic/cover-3.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
        }

        .hth-pagehero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(29, 42, 37, 0.88) 0%, rgba(29, 42, 37, 0.72) 55%, rgba(47, 88, 70, 0.55) 100%);
        }

        .hth-pagehero .hth-container {
            position: relative;
            z-index: 1;
        }

        .hth-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 32px;
        }

        .hth-breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            text-decoration: none;
            transition: color var(--hth-transition);
        }

        .hth-breadcrumb a:hover {
            color: var(--hth-gold);
        }

        .hth-breadcrumb__sep {
            color: rgba(255, 255, 255, 0.4);
            font-size: 12px;
        }

        .hth-breadcrumb__current {
            color: var(--hth-gold);
        }

        .hth-pagehero__label {
            display: inline-block;
            font-size: 0.8125rem;
            font-weight: 600;
            letter-spacing: 0.2em;
            color: var(--hth-gold);
            text-transform: uppercase;
            margin-bottom: 20px;
            border: 1px solid rgba(192, 154, 94, 0.45);
            padding: 6px 16px;
            border-radius: 2px;
        }

        .hth-pagehero h1 {
            font-family: "Noto Serif SC", "STSong", "SimSun", serif;
            font-size: clamp(2.25rem, 4.5vw, 3.5rem);
            font-weight: 700;
            line-height: 1.15;
            margin: 0 0 20px;
            max-width: 720px;
        }

        .hth-pagehero__desc {
            font-size: 1.0625rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            max-width: 560px;
            margin: 0;
        }

        /* ============ Timeline ============ */
        .hth-timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding: 16px 0 8px;
        }

        .hth-timeline::before {
            content: "";
            position: absolute;
            left: 35px;
            top: 28px;
            bottom: 28px;
            width: 1px;
            background: linear-gradient(to bottom, rgba(192, 154, 94, 0.5), rgba(227, 222, 215, 0.9));
        }

        .hth-timeline__item {
            position: relative;
            padding: 0 0 52px 112px;
        }

        .hth-timeline__item:last-child {
            padding-bottom: 0;
        }

        .hth-timeline__num {
            position: absolute;
            left: 0;
            top: 0;
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: var(--hth-white);
            border: 1px solid var(--hth-border);
            box-shadow: var(--hth-shadow);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: "Noto Serif SC", "Georgia", serif;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--hth-green);
            transition: all var(--hth-transition);
            z-index: 1;
        }

        .hth-timeline__item:hover .hth-timeline__num {
            border-color: var(--hth-gold);
            box-shadow: 0 0 0 4px rgba(192, 154, 94, 0.15), var(--hth-shadow);
        }

        .hth-timeline__content {
            padding-top: 4px;
        }

        .hth-timeline__content h3 {
            font-size: 1.375rem;
            font-weight: 600;
            color: var(--hth-text);
            margin: 0 0 8px;
            font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
            line-height: 1.3;
        }

        .hth-timeline__content p {
            margin: 0;
            color: var(--hth-muted);
            font-size: 0.9375rem;
            line-height: 1.85;
        }

        /* ============ Cards ============ */
        .hth-card {
            background: var(--hth-white);
            border: 1px solid var(--hth-border);
            border-radius: var(--hth-radius);
            overflow: hidden;
            box-shadow: var(--hth-shadow);
            transition: transform var(--hth-transition), box-shadow var(--hth-transition), border-color var(--hth-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .hth-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--hth-shadow-hover);
            border-color: rgba(192, 154, 94, 0.4);
        }

        .hth-card__media {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

        .hth-card__media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
        }

        .hth-card:hover .hth-card__media img {
            transform: scale(1.03);
        }

        .hth-card__body {
            padding: 24px 24px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .hth-card__tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--hth-gold-hover);
            background: rgba(192, 154, 94, 0.1);
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .hth-card__title {
            font-size: 1.25rem;
            font-weight: 600;
            line-height: 1.35;
            color: var(--hth-text);
            margin: 0 0 10px;
            font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
        }

        .hth-card__text {
            font-size: 0.9375rem;
            color: var(--hth-muted);
            line-height: 1.75;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .hth-card__link {
            margin-top: 16px;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--hth-green);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            text-decoration: none;
            transition: color var(--hth-transition), gap var(--hth-transition);
        }

        .hth-card__link:hover {
            color: var(--hth-gold-hover);
            gap: 8px;
        }

        /* ============ Explore Section ============ */
        .hth-explore-card {
            background: var(--hth-white);
            border: 1px solid rgba(232, 228, 221, 0.12);
            border-radius: var(--hth-radius);
            padding: 36px 32px;
            position: relative;
            transition: all var(--hth-transition);
            height: 100%;
            display: block;
            text-decoration: none;
        }

        .hth-explore-card:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(192, 154, 94, 0.35);
            transform: translateY(-3px);
        }

        .hth-explore-card__icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(192, 154, 94, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
        }

        .hth-explore-card__icon svg {
            width: 22px;
            height: 22px;
            stroke: var(--hth-gold);
        }

        .hth-explore-card__title {
            font-size: 1.25rem;
            font-weight: 600;
            color: #F6F4F0;
            margin: 0 0 12px;
            font-family: "Noto Sans SC", sans-serif;
        }

        .hth-explore-card__text {
            font-size: 0.9375rem;
            color: rgba(230, 226, 217, 0.75);
            line-height: 1.75;
            margin: 0 0 16px;
        }

        .hth-explore-card__arrow {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--hth-gold);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--hth-transition);
        }

        .hth-explore-card:hover .hth-explore-card__arrow {
            gap: 10px;
        }

        /* ============ FAQ ============ */
        .hth-faq {
            max-width: 820px;
            margin: 0 auto;
        }

        .hth-faq__item {
            border-bottom: 1px solid var(--hth-border);
        }

        .hth-faq__item:last-child {
            border-bottom: none;
        }

        .hth-faq__item:first-child {
            border-top: 1px solid var(--hth-border);
        }

        .hth-faq__button {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 24px 8px;
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            font-family: inherit;
            transition: background var(--hth-transition);
            border-radius: 0;
        }

        .hth-faq__button:hover {
            background: rgba(47, 88, 70, 0.03);
        }

        .hth-faq__button:focus-visible {
            outline: 2px solid var(--hth-gold);
            outline-offset: -2px;
        }

        .hth-faq__button h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--hth-text);
            margin: 0;
            line-height: 1.5;
        }

        .hth-faq__icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(47, 88, 70, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.3s ease, background 0.3s ease;
        }

        .hth-faq__icon svg {
            width: 14px;
            height: 14px;
            stroke: var(--hth-green);
            transition: transform 0.3s ease;
        }

        .hth-faq__button[aria-expanded="true"] .hth-faq__icon {
            transform: rotate(45deg);
            background: var(--hth-green);
        }

        .hth-faq__button[aria-expanded="true"] .hth-faq__icon svg {
            stroke: #fff;
        }

        .hth-faq__body {
            padding: 0 8px 24px;
            color: var(--hth-muted);
            font-size: 0.9375rem;
            line-height: 1.85;
        }

        .hth-faq__body p {
            margin: 0;
        }

        /* ============ CTA ============ */
        .hth-cta {
            padding: 88px 0;
            background: var(--hth-dark);
            background-image: linear-gradient(135deg, rgba(29, 42, 37, 0.94), rgba(47, 88, 70, 0.82)), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            color: #fff;
            position: relative;
            text-align: center;
        }

        .hth-cta__icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            border: 1px solid rgba(192, 154, 94, 0.5);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 28px;
        }

        .hth-cta__icon svg {
            width: 26px;
            height: 26px;
            stroke: var(--hth-gold);
        }

        .hth-cta h2 {
            font-family: "Noto Serif SC", "STSong", serif;
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 600;
            margin: 0 0 16px;
            line-height: 1.25;
        }

        .hth-cta p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 480px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }

        .hth-cta__actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hth-cta__actions .hth-btn--outline {
            border-color: rgba(255, 255, 255, 0.4);
            color: #fff;
        }

        .hth-cta__actions .hth-btn--outline:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: #fff;
        }

        /* ============ Footer ============ */
        .hth-footer {
            background: var(--hth-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 72px 0 32px;
            font-size: 0.875rem;
        }

        .hth-footer__top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 60px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .hth-footer__brand .hth-logo {
            color: #F6F4F0;
            font-size: 1.5rem;
            display: inline-block;
            margin-bottom: 16px;
        }

        .hth-footer__brand p {
            font-size: 0.875rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 360px;
            margin: 0;
        }

        .hth-footer__col h5 {
            font-size: 0.9375rem;
            font-weight: 600;
            color: #F6F4F0;
            margin: 0 0 20px;
            letter-spacing: 0.05em;
        }

        .hth-footer__col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .hth-footer__col li {
            margin-bottom: 10px;
        }

        .hth-footer__col a {
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
            transition: color var(--hth-transition);
            font-size: 0.875rem;
        }

        .hth-footer__col a:hover {
            color: var(--hth-gold);
        }

        .hth-footer__bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .hth-footer__bottom span {
            letter-spacing: 0.04em;
        }

        /* ============ Tooltip / Toast ============ */
        .hth-tooltip {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%) scale(0.96);
            background: var(--hth-dark);
            color: #fff;
            padding: 10px 20px;
            border-radius: 4px;
            font-size: 0.875rem;
            z-index: 1100;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.25s ease, transform 0.25s ease;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }

        .hth-tooltip.show {
            opacity: 1;
            transform: translate(-50%, -50%) scale(1);
        }

        /* ============ Responsive ============ */
        @media (max-width: 991.98px) {
            .hth-section {
                padding: 64px 0;
            }

            .hth-footer__top {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }

            .hth-header__nav {
                gap: 20px;
            }
        }

        @media (max-width: 767.98px) {
            body {
                padding-top: 40px;
                padding-bottom: 64px;
            }

            .hth-header__desktop {
                display: none;
            }

            .hth-header__bar {
                display: flex;
                height: 40px;
                align-items: center;
                justify-content: space-between;
                padding: 0 16px;
            }

            .hth-header__bar .hth-logo {
                font-size: 1.0625rem;
            }

            .hth-header__toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
                background: none;
                border: none;
                padding: 8px;
                color: var(--hth-dark);
                cursor: pointer;
            }

            .hth-header__mobile {
                display: none;
                background: var(--hth-white);
                border-bottom: 1px solid var(--hth-border);
                padding: 8px 0 12px;
                box-shadow: 0 10px 24px rgba(0, 0, 0, 0.06);
            }

            .hth-header__mobile.open {
                display: block;
            }

            .hth-header__mobile .hth-nav {
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 0 16px;
            }

            .hth-header__mobile .hth-nav__link {
                padding: 14px 12px;
                border-bottom: 1px solid #F0EDE7;
                border-left: 2px solid transparent;
                font-size: 0.9375rem;
            }

            .hth-header__mobile .hth-nav__link:last-child {
                border-bottom: none;
            }

            .hth-header__mobile .hth-nav__link.active {
                border-left-color: var(--hth-gold);
                background: rgba(47, 88, 70, 0.04);
                color: var(--hth-green);
            }

            .hth-tabbar {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                height: 64px;
                background: var(--hth-white);
                border-top: 1px solid var(--hth-border);
                z-index: 1040;
                align-items: stretch;
                justify-content: space-around;
                padding: 6px 4px;
            }

            .hth-tabbar__item {
                flex: 1;
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 4px;
                font-size: 0.75rem;
                color: var(--hth-muted);
                text-decoration: none;
                border-radius: 8px;
                transition: all var(--hth-transition);
                padding: 2px 0;
            }

            .hth-tabbar__item svg {
                width: 22px;
                height: 22px;
                stroke: currentColor;
                fill: none;
                stroke-width: 1.8;
                stroke-linecap: round;
                stroke-linejoin: round;
            }

            .hth-tabbar__item:hover {
                color: var(--hth-green);
                background: rgba(47, 88, 70, 0.05);
            }

            .hth-tabbar__item.active {
                color: var(--hth-green);
                font-weight: 600;
            }

            .hth-pagehero {
                padding: 56px 0 48px;
            }

            .hth-pagehero h1 {
                font-size: clamp(1.875rem, 5.5vw, 2.375rem);
            }

            .hth-pagehero__desc {
                font-size: 0.9375rem;
            }

            .hth-breadcrumb {
                margin-bottom: 20px;
                font-size: 0.8125rem;
            }

            .hth-timeline {
                max-width: 100%;
                padding-left: 0;
            }

            .hth-timeline::before {
                left: 27px;
            }

            .hth-timeline__item {
                padding-left: 84px;
                padding-bottom: 40px;
            }

            .hth-timeline__num {
                width: 54px;
                height: 54px;
                font-size: 1.125rem;
            }

            .hth-timeline__content h3 {
                font-size: 1.125rem;
            }

            .hth-timeline__content p {
                font-size: 0.875rem;
            }

            .hth-section__head {
                margin-bottom: 32px;
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .hth-cta {
                padding: 64px 0;
            }

            .hth-footer {
                padding: 48px 0 24px;
            }

            .hth-footer__top {
                grid-template-columns: 1fr;
                gap: 36px;
                padding-bottom: 32px;
            }

            .hth-footer__bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
        }

        @media (max-width: 575.98px) {
            .hth-container {
                padding-left: 16px;
                padding-right: 16px;
            }

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

            .hth-cta__actions {
                flex-direction: column;
                width: 100%;
            }

            .hth-cta__actions .hth-btn {
                width: 100%;
            }
        }

        /* ============ Reduced Motion ============ */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

/* roulang page: category4 */
:root {
            --hth-primary: #2F5846;
            --hth-primary-dark: #1D2A25;
            --hth-accent: #C09A5E;
            --hth-accent-hover: #A8814C;
            --hth-bg: #F6F4F0;
            --hth-white: #FFFFFF;
            --hth-text: #1F1F1C;
            --hth-gray: #6F736F;
            --hth-border: #E3DED7;
            --hth-danger: #B5493F;
            --hth-radius: 4px;
            --hth-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            --hth-shadow-hover: 0 14px 30px rgba(0, 0, 0, 0.09);
            --hth-transition: 200ms ease-out;
            --hth-header-h: 72px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            font-size: 1rem;
            line-height: 1.8;
            color: var(--hth-text);
            background: var(--hth-bg);
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--hth-radius);
        }

        a {
            color: var(--hth-primary);
            text-decoration: none;
            transition: color var(--hth-transition);
        }
        a:hover {
            color: var(--hth-accent-hover);
        }

        button,
        input {
            font-family: inherit;
        }

        .hth-container {
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

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

        .hth-section--compact {
            padding: 64px 0;
        }

        /* ---------- Header ---------- */
        .hth-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1080;
            background: rgba(246, 244, 240, 0.96);
            border-bottom: 1px solid transparent;
            transition: background 300ms ease-out, box-shadow 300ms ease-out, border-color 300ms ease-out;
        }

        .hth-header--scrolled {
            background: rgba(246, 244, 240, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-color: var(--hth-border);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }

        .hth-header__bar {
            display: none;
            height: 40px;
            padding: 0 16px;
            align-items: center;
            justify-content: space-between;
        }

        .hth-header__toggle {
            background: none;
            border: none;
            color: var(--hth-text);
            padding: 8px;
            border-radius: 4px;
            cursor: pointer;
        }
        .hth-header__toggle:focus-visible {
            outline: 2px solid var(--hth-accent);
            outline-offset: 2px;
        }

        .hth-header__desktop {
            height: var(--hth-header-h);
        }

        .hth-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .hth-logo {
            font-family: "Noto Serif SC", "Songti SC", serif;
            font-size: 1.375rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            color: var(--hth-text);
            white-space: nowrap;
        }
        .hth-logo:hover {
            color: var(--hth-primary);
        }

        .hth-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .hth-nav__link {
            font-size: 0.9375rem;
            letter-spacing: 0.08em;
            color: var(--hth-text);
            font-weight: 500;
            padding: 8px 2px;
            border-bottom: 2px solid transparent;
            transition: color var(--hth-transition), border-color var(--hth-transition), opacity var(--hth-transition);
        }
        .hth-nav__link:hover {
            color: var(--hth-primary);
            border-color: var(--hth-accent);
        }
        .hth-nav__link.active {
            color: var(--hth-primary);
            border-color: var(--hth-primary);
            font-weight: 600;
        }

        .hth-header__cta {
            flex-shrink: 0;
        }

        .hth-header__mobile {
            display: none;
            border-top: 1px solid var(--hth-border);
            background: var(--hth-bg);
            padding: 8px 16px 16px;
        }
        .hth-header__mobile.open {
            display: block;
        }
        .hth-header__mobile .hth-nav {
            flex-direction: column;
            align-items: stretch;
            gap: 0;
        }
        .hth-header__mobile .hth-nav__link {
            padding: 12px 4px;
            border-bottom: 1px solid var(--hth-border);
            border-radius: 0;
            display: inline-block;
        }

        /* ---------- Buttons ---------- */
        .hth-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            border-radius: 0;
            border: none;
            font-size: 0.9375rem;
            letter-spacing: 0.08em;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--hth-transition), color var(--hth-transition), border-color var(--hth-transition), box-shadow var(--hth-transition), transform var(--hth-transition);
        }
        .hth-btn:focus-visible {
            outline: 2px solid var(--hth-accent);
            outline-offset: 2px;
        }

        .hth-btn--primary {
            background: var(--hth-primary);
            color: #fff;
        }
        .hth-btn--primary:hover {
            background: var(--hth-accent-hover);
            color: #fff;
            transform: translateY(-1px);
        }

        .hth-btn--outline {
            border: 1px solid var(--hth-primary);
            color: var(--hth-primary);
            background: transparent;
        }
        .hth-btn--outline:hover {
            background: rgba(47, 88, 70, 0.06);
            color: var(--hth-primary);
        }

        .hth-btn--dark {
            background: var(--hth-accent);
            color: var(--hth-primary-dark);
        }
        .hth-btn--dark:hover {
            background: var(--hth-accent-hover);
            color: var(--hth-primary-dark);
        }

        .hth-btn--sm {
            height: 40px;
            padding: 0 20px;
            font-size: 0.875rem;
        }

        /* ---------- Breadcrumbs ---------- */
        .hth-breadcrumb {
            padding: 120px 0 16px;
            background: var(--hth-bg);
            font-size: 0.875rem;
            color: var(--hth-gray);
            letter-spacing: 0.04em;
        }
        .hth-breadcrumb a {
            color: var(--hth-primary);
        }
        .hth-breadcrumb a:hover {
            color: var(--hth-accent-hover);
        }
        .hth-breadcrumb .separator {
            margin: 0 8px;
            color: var(--hth-border);
        }

        /* ---------- Page Header ---------- */
        .hth-page-head {
            position: relative;
            background-color: var(--hth-primary-dark);
            background-size: cover;
            background-position: center;
            padding: 100px 0 90px;
            color: #fff;
            box-shadow: inset 0 -60px 80px rgba(0, 0, 0, 0.18);
        }
        .hth-page-head::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(29, 42, 37, 0.92) 0%, rgba(29, 42, 37, 0.72) 55%, rgba(47, 88, 70, 0.52) 100%);
        }
        .hth-page-head .hth-container {
            position: relative;
            z-index: 2;
        }
        .hth-page-head__label {
            display: inline-block;
            font-size: 0.8125rem;
            letter-spacing: 0.28em;
            color: var(--hth-accent);
            text-transform: uppercase;
            margin-bottom: 16px;
            border: 1px solid rgba(192, 154, 94, 0.5);
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(192, 154, 94, 0.08);
        }
        .hth-page-head h1 {
            font-family: "Noto Serif SC", "Songti SC", serif;
            font-size: clamp(2.25rem, 4vw, 3.375rem);
            font-weight: 700;
            line-height: 1.2;
            margin: 0 0 20px;
            color: #fff;
            max-width: 640px;
        }
        .hth-page-head__desc {
            max-width: 660px;
            font-size: 1rem;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.82);
            margin: 0;
        }
        .hth-page-head__line {
            width: 48px;
            height: 3px;
            background: var(--hth-accent);
            margin: 0 0 24px;
            border-radius: 2px;
        }

        /* ---------- Section Heading ---------- */
        .hth-section-head {
            margin-bottom: 64px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .hth-section-head__label {
            font-size: 0.8125rem;
            letter-spacing: 0.28em;
            color: var(--hth-accent);
            text-transform: uppercase;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .hth-section-head h2 {
            font-family: "Noto Serif SC", "Songti SC", serif;
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 600;
            line-height: 1.25;
            margin: 0;
            color: var(--hth-text);
        }
        .hth-section-head__link {
            font-size: 0.9375rem;
            color: var(--hth-primary);
            border-bottom: 1px solid transparent;
            transition: border-color var(--hth-transition);
            white-space: nowrap;
        }
        .hth-section-head__link:hover {
            border-color: var(--hth-accent);
            color: var(--hth-accent-hover);
        }

        /* ---------- Cards ---------- */
        .hth-card {
            background: var(--hth-white);
            border: 1px solid var(--hth-border);
            border-radius: var(--hth-radius);
            padding: 32px 28px;
            height: 100%;
            box-shadow: var(--hth-shadow);
            transition: transform var(--hth-transition), box-shadow var(--hth-transition), border-color var(--hth-transition);
        }
        .hth-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--hth-shadow-hover);
            border-color: rgba(192, 154, 94, 0.45);
        }
        .hth-card__icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: rgba(47, 88, 70, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--hth-primary);
            font-size: 1.4rem;
            margin-bottom: 20px;
            transition: background var(--hth-transition), color var(--hth-transition);
        }
        .hth-card:hover .hth-card__icon {
            background: var(--hth-primary);
            color: #fff;
        }
        .hth-card h3 {
            font-size: 1.375rem;
            font-weight: 600;
            line-height: 1.3;
            margin: 0 0 12px;
            color: var(--hth-text);
        }
        .hth-card p {
            color: var(--hth-gray);
            font-size: 0.9375rem;
            line-height: 1.75;
            margin: 0 0 18px;
        }
        .hth-card__link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--hth-primary);
            transition: gap var(--hth-transition), color var(--hth-transition);
        }
        .hth-card__link:hover {
            gap: 12px;
            color: var(--hth-accent-hover);
        }

        /* ---------- FAQ ---------- */
        .hth-faq {
            max-width: 800px;
        }
        .hth-faq__item {
            border-bottom: 1px solid var(--hth-border);
        }
        .hth-faq__item:first-child {
            border-top: 1px solid var(--hth-border);
        }
        .hth-faq__question {
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            padding: 22px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--hth-text);
            cursor: pointer;
            transition: color var(--hth-transition);
        }
        .hth-faq__question:hover {
            color: var(--hth-primary);
        }
        .hth-faq__question:focus-visible {
            outline: 2px solid var(--hth-accent);
            outline-offset: 2px;
        }
        .hth-faq__icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--hth-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.125rem;
            font-weight: 400;
            color: var(--hth-primary);
            transition: transform 300ms ease-out, background var(--hth-transition), color var(--hth-transition), border-color var(--hth-transition);
        }
        .hth-faq__question[aria-expanded="true"] .hth-faq__icon {
            transform: rotate(45deg);
            background: var(--hth-primary);
            border-color: var(--hth-primary);
            color: #fff;
        }
        .hth-faq__answer {
            padding: 0 0 24px;
            color: var(--hth-gray);
            font-size: 0.9375rem;
            line-height: 1.85;
            max-width: 720px;
        }
        .hth-faq__answer p {
            margin: 0;
        }

        /* ---------- Aside Panel ---------- */
        .hth-aside {
            background: var(--hth-white);
            border: 1px solid var(--hth-border);
            border-radius: var(--hth-radius);
            padding: 24px;
            box-shadow: var(--hth-shadow);
        }
        .hth-aside img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 3px;
            margin-bottom: 18px;
        }
        .hth-aside h4 {
            font-size: 1rem;
            font-weight: 600;
            margin: 0 0 6px;
            color: var(--hth-text);
        }
        .hth-aside p {
            font-size: 0.875rem;
            color: var(--hth-gray);
            line-height: 1.75;
            margin-bottom: 16px;
        }
        .hth-aside__list {
            list-style: none;
            padding: 0;
            margin: 0;
            border-top: 1px solid var(--hth-border);
        }
        .hth-aside__list li {
            border-bottom: 1px solid var(--hth-border);
        }
        .hth-aside__list a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 2px;
            font-size: 0.875rem;
            color: var(--hth-text);
            transition: color var(--hth-transition), padding-left var(--hth-transition);
        }
        .hth-aside__list a:hover {
            color: var(--hth-primary);
            padding-left: 6px;
        }
        .hth-aside__list a::after {
            content: "→";
            color: var(--hth-accent);
        }

        /* ---------- Dark CTA ---------- */
        .hth-dark-cta {
            background: var(--hth-primary-dark);
            padding: 80px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .hth-dark-cta::before {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(192, 154, 94, 0.1);
        }
        .hth-dark-cta__inner {
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }
        .hth-dark-cta h2 {
            font-family: "Noto Serif SC", "Songti SC", serif;
            font-size: clamp(1.875rem, 3vw, 2.625rem);
            font-weight: 600;
            margin: 0 0 16px;
            color: #fff;
        }
        .hth-dark-cta p {
            color: rgba(255, 255, 255, 0.76);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .hth-dark-cta__actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ---------- Footer ---------- */
        .hth-footer {
            background: var(--hth-primary-dark);
            color: rgba(255, 255, 255, 0.72);
            padding: 72px 0 0;
        }
        .hth-footer a {
            color: rgba(255, 255, 255, 0.72);
            transition: color var(--hth-transition);
        }
        .hth-footer a:hover {
            color: var(--hth-accent);
        }
        .hth-footer__top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .hth-footer__brand .hth-logo {
            color: #fff;
            font-size: 1.375rem;
            margin-bottom: 16px;
            display: inline-block;
        }
        .hth-footer__brand p {
            font-size: 0.9375rem;
            line-height: 1.8;
            max-width: 360px;
            margin: 0;
            color: rgba(255, 255, 255, 0.58);
        }
        .hth-footer__col h5 {
            font-size: 0.9375rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.08em;
        }
        .hth-footer__col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .hth-footer__col li {
            margin-bottom: 10px;
        }
        .hth-footer__col li a {
            font-size: 0.9375rem;
        }
        .hth-footer__bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            padding: 24px 0;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.42);
        }

        /* ---------- Mobile Tab Bar ---------- */
        .hth-tabbar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: var(--hth-white);
            border-top: 1px solid var(--hth-border);
            z-index: 1080;
            align-items: stretch;
            justify-content: space-around;
        }
        .hth-tabbar a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            font-size: 0.75rem;
            color: var(--hth-gray);
            flex: 1;
            letter-spacing: 0.02em;
            transition: color var(--hth-transition);
        }
        .hth-tabbar a svg {
            width: 20px;
            height: 20px;
        }
        .hth-tabbar a.active,
        .hth-tabbar a:hover {
            color: var(--hth-primary);
        }

        /* ---------- Utility ---------- */
        .hth-mt-0 { margin-top: 0; }
        .hth-mb-0 { margin-bottom: 0; }
        .hth-text-center { text-align: center; }

        /* ---------- Responsive ---------- */
        @media (max-width: 991.98px) {
            .hth-section {
                padding: 80px 0;
            }
            .hth-footer__top {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767.98px) {
            .hth-section {
                padding: 64px 0;
            }
            .hth-breadcrumb {
                padding-top: 96px;
            }
            .hth-header__bar {
                display: flex;
                height: 40px;
            }
            .hth-header__desktop {
                display: none;
            }
            .hth-header__mobile {
                display: none;
                position: absolute;
                top: 40px;
                left: 0;
                right: 0;
            }
            .hth-header--scrolled .hth-header__mobile {
                box-shadow: 0 12px 20px rgba(0, 0, 0, 0.06);
            }
            .hth-page-head {
                padding: 72px 0 64px;
            }
            .hth-page-head h1 {
                font-size: 2rem;
            }
            .hth-footer__top {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hth-footer__bottom {
                flex-direction: column;
                justify-content: center;
                text-align: center;
            }
            .hth-tabbar {
                display: flex;
            }
            body {
                padding-bottom: 64px;
            }
            .hth-container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        @media (max-width: 575.98px) {
            .hth-dark-cta__actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hth-dark-cta__actions .hth-btn {
                width: 100%;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
            .hth-card:hover {
                transform: none;
            }
        }