/* roulang page: index */
:root {
    --primary: #2F6E5E;
    --primary-dark: #24584C;
    --accent: #C65A35;
    --accent-dark: #A94E2C;
    --bg: #F5F0E6;
    --dark: #173F38;
    --text: #1F2A27;
    --text-light: #5F6F6A;
    --border: rgba(23, 63, 56, 0.12);
    --border-accent: rgba(198, 90, 53, 0.25);
    --radius: 14px;
    --radius-btn: 6px;
    --radius-pill: 40px;
    --shadow: 0 8px 24px rgba(23, 63, 56, 0.08);
    --shadow-hover: 0 14px 32px rgba(23, 63, 56, 0.14);
    --space-section: 96px;
    --space-section-mobile: 56px;
    --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-stack);
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.75;
    letter-spacing: 0.02em;
    margin: 0;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; }
button, input, select, textarea { font-family: inherit; }
.container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }
@media (max-width: 576px) {
    .container { padding-left: 16px; padding-right: 16px; }
}

/* ===================== 按钮 ===================== */
.btn {
    border-radius: var(--radius-btn);
    font-weight: 600;
    padding: 10px 24px;
    transition: all 0.25s ease;
    font-size: 16px;
    line-height: 1.5;
}
.btn-accent {
    background: var(--accent);
    color: #fff;
    border: 1px solid var(--accent);
    min-height: 44px;
}
.btn-accent:hover, .btn-accent:focus {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    color: #fff;
    box-shadow: 0 0 0 3px rgba(198, 90, 53, 0.25);
}
.btn-outline-green {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.7);
    min-height: 44px;
}
.btn-outline-green:hover, .btn-outline-green:focus {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.btn-primary-green {
    background: var(--primary);
    color: #fff;
    border: 1px solid var(--primary);
    min-height: 44px;
}
.btn-primary-green:hover, .btn-primary-green:focus {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #fff;
    box-shadow: 0 0 0 3px rgba(47, 110, 94, 0.22);
}
.btn-lg { padding: 14px 40px; font-size: 17px; }

/* ===================== 标签 ===================== */
.badge-tag {
    display: inline-block;
    background: rgba(47, 110, 94, 0.1);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 30px;
    letter-spacing: 0.02em;
}
.badge-accent {
    background: var(--accent);
    color: #fff;
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 20px;
    font-weight: 600;
}

/* ===================== 导航 Header ===================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1050;
    background: var(--bg);
    box-shadow: 0 1px 0 rgba(23, 63, 56, 0.08);
    transition: top 0.3s ease, box-shadow 0.3s ease;
}
.header-top {
    background: var(--bg);
    padding: 10px 0;
    transition: padding 0.3s ease, max-height 0.3s ease;
}
.header-nav {
    background: var(--dark);
    padding: 0;
    transition: background 0.3s ease;
}
.header-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 44px;
}
.nav-channel {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 4px;
}
.nav-channel a {
    display: block;
    color: rgba(255, 255, 255, 0.85);
    font-size: 15px;
    font-weight: 500;
    padding: 10px 18px;
    border-radius: 6px 6px 0 0;
    transition: color 0.2s, background 0.2s;
    position: relative;
}
.nav-channel a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}
.nav-channel a.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
}
.nav-channel a.active::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 18px;
    right: 18px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}
.nav-channel a.active:hover { background: rgba(255, 255, 255, 0.12); }
.nav-quick {
    display: flex;
    align-items: center;
    gap: 16px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
}
.nav-quick a { color: rgba(255, 255, 255, 0.7); font-size: 13px; }
.nav-quick a:hover { color: #fff; }
.brand-logo {
    font-size: 22px;
    font-weight: 700;
    color: var(--dark);
    letter-spacing: 0.04em;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: color 0.2s;
}
.brand-logo:hover { color: var(--primary); }
.brand-logo .logo-mark {
    width: 34px;
    height: 34px;
    background: var(--primary);
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    font-weight: 700;
}
.header-search {
    width: 100%;
    max-width: 420px;
    position: relative;
    margin: 0 auto;
}
.header-search .form-control {
    border: 1px solid transparent;
    background: rgba(255, 255, 255, 0.85);
    border-radius: var(--radius-pill);
    padding: 8px 44px 8px 18px;
    font-size: 14px;
    color: var(--text);
    box-shadow: 0 2px 8px rgba(23, 63, 56, 0.05);
    transition: border-color 0.2s, box-shadow 0.2s;
    height: 40px;
}
.header-search .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(47, 110, 94, 0.18);
    outline: none;
}
.header-search .btn-search {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    border: none;
    background: var(--primary);
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: background 0.2s;
}
.header-search .btn-search:hover { background: var(--primary-dark); }
.trend-links {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--text-light);
    white-space: nowrap;
}
.trend-links a {
    color: var(--text-light);
    font-size: 13px;
}
.trend-links a:hover { color: var(--accent); }
.trend-links .trend-label {
    font-weight: 500;
    color: var(--text);
    font-size: 13px;
}
.mobile-toggle {
    background: none;
    border: 1px solid var(--border);
    border-radius: 8px;
    width: 40px;
    height: 40px;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--dark);
    cursor: pointer;
}
.site-header.sticky .header-top { padding: 4px 0; }
.site-header.sticky {
    box-shadow: 0 4px 20px rgba(23, 63, 56, 0.1);
}
.site-header.sticky .header-top .container {
    min-height: 40px;
}
/* 移动端侧边抽屉 */
.mobile-drawer {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100vh;
    background: var(--bg);
    z-index: 1100;
    box-shadow: -4px 0 30px rgba(23, 63, 56, 0.18);
    padding: 32px 28px;
    transition: right 0.3s ease;
    overflow-y: auto;
}
.mobile-drawer.open { right: 0; }
.mobile-drawer .drawer-brand {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 28px;
    display: block;
}
.mobile-drawer ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
.mobile-drawer ul li { margin-bottom: 4px; }
.mobile-drawer ul a {
    display: block;
    padding: 12px 14px;
    border-radius: 8px;
    font-size: 15px;
    color: var(--text);
    font-weight: 500;
    transition: background 0.2s, color 0.2s;
}
.mobile-drawer ul a:hover { background: rgba(47, 110, 94, 0.08); color: var(--primary); }
.mobile-drawer ul a.active { background: var(--primary); color: #fff; }
.drawer-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(23, 63, 56, 0.4);
    z-index: 1090;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s;
}
.drawer-backdrop.show { opacity: 1; visibility: visible; }
.drawer-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 22px;
    color: var(--text-light);
    cursor: pointer;
}

/* ===================== Hero ===================== */
.hero-section {
    background: linear-gradient(135deg, rgba(23, 63, 56, 0.88) 0%, rgba(23, 63, 56, 0.62) 100%), url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
    color: #fff;
    padding: 80px 0 80px;
    position: relative;
    overflow: hidden;
}
.hero-section::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 80%, rgba(198, 90, 53, 0.15) 0%, transparent 60%);
    pointer-events: none;
}
.hero-content { position: relative; z-index: 2; }
.hero-eyebrow {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 4px 14px;
    border-radius: 30px;
}
.hero-title {
    font-size: 42px;
    font-weight: 700;
    line-height: 1.3;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: 0.02em;
}
.hero-subtitle {
    font-size: 17px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.88);
    max-width: 560px;
    margin-bottom: 32px;
}
.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}
.hero-stats {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
    padding-top: 24px;
    max-width: 540px;
}
.stat-item .stat-number {
    font-size: 26px;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
}
.stat-item .stat-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.65);
    letter-spacing: 0.05em;
}
.hero-media {
    position: relative;
    z-index: 2;
    text-align: center;
}
.hero-media .arch-frame {
    display: inline-block;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 200px 200px 20px 20px;
    padding: 20px 20px 0;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25);
}
.hero-media .arch-frame img {
    border-radius: 190px 190px 12px 12px;
    max-height: 380px;
    object-fit: cover;
    width: 100%;
}
.hero-media .hero-badge-float {
    position: absolute;
    background: #fff;
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 12px 18px;
    font-size: 14px;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 3;
}
.hero-media .float-1 { bottom: 40px; left: -20px; }
.hero-media .float-2 { top: 50px; right: -10px; }
.hero-media .float-1 i { color: var(--accent); font-size: 22px; }
.hero-media .float-2 i { color: var(--primary); font-size: 22px; }

/* ===================== 板块通用 ===================== */
.section { padding: var(--space-section) 0; }
.section-sm { padding: 56px 0; }
.section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 16px;
}
.section-title {
    font-size: 30px;
    font-weight: 700;
    color: var(--text);
    margin: 0;
    position: relative;
    padding-left: 18px;
}
.section-title::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 4px;
    background: var(--accent);
    border-radius: 3px;
}
.section-more {
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s, gap 0.2s;
}
.section-more:hover { color: var(--accent); gap: 10px; }
.section-desc {
    color: var(--text-light);
    font-size: 15px;
    max-width: 640px;
    margin-top: 10px;
}

/* ===================== 商品卡片 ===================== */
.product-card {
    background: #FFFDF8;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    display: block;
    color: var(--text);
}
.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    color: var(--text);
}
.product-media {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: #f0ece2;
}
.product-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.product-card:hover .product-media img { transform: scale(1.05); }
.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--accent);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 3px 12px;
    border-radius: 20px;
    z-index: 2;
}
.product-body {
    padding: 18px 18px 20px;
    position: relative;
}
.product-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 46px;
}
.product-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 14px;
}
.product-price small { font-size: 13px; font-weight: 500; color: var(--text-light); }
.btn-add {
    width: 100%;
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
    border-radius: var(--radius-btn);
    padding: 8px 0;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    transition: all 0.25s ease;
    display: block;
}
.btn-add:hover {
    background: var(--primary);
    color: #fff;
}

/* ===================== 评价轮播 ===================== */
.review-section {
    background: #EEEAE1;
    padding: var(--space-section) 0;
}
.review-card {
    background: #FFFDF8;
    border-radius: 20px;
    padding: 48px 48px 40px;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.review-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 20px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}
.review-text {
    font-size: 18px;
    color: var(--text);
    line-height: 1.8;
    margin-bottom: 20px;
    font-weight: 400;
}
.review-source {
    font-size: 14px;
    color: var(--text-light);
    letter-spacing: 0.04em;
}
.review-carousel .carousel-control-prev,
.review-carousel .carousel-control-next {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: transparent;
    border: 1px solid var(--border);
    top: 50%;
    transform: translateY(-50%);
    opacity: 1;
    transition: background 0.2s, border-color 0.2s;
}
.review-carousel .carousel-control-prev { left: max(4%, 12px); }
.review-carousel .carousel-control-next { right: max(4%, 12px); }
.review-carousel .carousel-control-prev:hover,
.review-carousel .carousel-control-next:hover {
    background: var(--primary);
    border-color: var(--primary);
}
.review-carousel .carousel-control-prev i,
.review-carousel .carousel-control-next i {
    font-size: 20px;
    color: var(--primary);
}
.review-carousel .carousel-control-prev:hover i,
.review-carousel .carousel-control-next:hover i { color: #fff; }
.review-carousel .carousel-indicators {
    position: static;
    margin-top: 32px;
    gap: 6px;
}
.review-carousel .carousel-indicators [data-bs-target] {
    width: 8px;
    height: 2px;
    border-radius: 2px;
    background: var(--primary);
    opacity: 0.3;
    border: none;
    transition: width 0.3s, opacity 0.3s, background 0.3s;
}
.review-carousel .carousel-indicators .active {
    width: 20px;
    background: var(--accent);
    opacity: 1;
}

/* ===================== 保障条 ===================== */
.guarantee-bar {
    border-top: 1px solid var(--border);
    padding: 56px 0;
    background: var(--bg);
}
.guarantee-item {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    padding: 16px 8px;
}
.guarantee-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: rgba(47, 110, 94, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: var(--primary);
    flex-shrink: 0;
}
.guarantee-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}
.guarantee-desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* ===================== 资讯区 ===================== */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.news-item {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    padding: 22px 0;
    border-bottom: 1px solid var(--border);
    transition: background 0.2s;
    text-decoration: none;
    color: var(--text);
}
.news-item:hover { color: var(--text); }
.news-item:first-child { padding-top: 0; }
.news-item:last-child { border-bottom: none; }
.news-item .news-date {
    font-size: 13px;
    color: var(--text-light);
    white-space: nowrap;
    flex-shrink: 0;
    padding-top: 4px;
    font-variant-numeric: tabular-nums;
}
.news-item .news-content { flex: 1; min-width: 0; }
.news-item .news-tag {
    display: inline-block;
    background: rgba(47, 110, 94, 0.1);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    border-radius: 4px;
    padding: 2px 8px;
    margin-bottom: 6px;
}
.news-item .news-tag.accent {
    background: rgba(198, 90, 53, 0.12);
    color: var(--accent);
}
.news-item .news-title {
    display: block;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.5;
    margin-bottom: 4px;
    transition: color 0.2s;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.news-item:hover .news-title { color: var(--primary); }
.news-item .news-summary {
    display: block;
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.news-empty {
    border: 1px dashed rgba(23, 63, 56, 0.3);
    border-radius: var(--radius);
    padding: 48px 24px;
    text-align: center;
    color: var(--text-light);
    font-size: 15px;
    background: rgba(255, 255, 255, 0.5);
}
.topic-card {
    background: var(--dark);
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
    margin-bottom: 32px;
}
.topic-card img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    display: block;
}
.topic-card .topic-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(23, 63, 56, 0.2) 0%, rgba(23, 63, 56, 0.85) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 28px;
}
.topic-card .topic-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.2em;
    margin-bottom: 8px;
}
.topic-card .topic-title {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    line-height: 1.5;
    margin-bottom: 12px;
}
.topic-card .topic-link {
    color: #fff;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.4);
    padding-bottom: 2px;
    align-self: flex-start;
}
.topic-card .topic-link:hover { color: var(--accent); border-color: var(--accent); }
.hot-words-box {
    background: #FFFDF8;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
}
.hot-words-box h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
    position: relative;
}
.hot-words-box h3::after {
    content: "";
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 44px;
    height: 2px;
    background: var(--accent);
}
.hot-words-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    list-style: none;
    margin: 0;
    padding: 0;
}
.hot-words-list a {
    display: inline-block;
    background: var(--bg);
    color: var(--text-light);
    font-size: 14px;
    padding: 6px 16px;
    border-radius: 30px;
    transition: background 0.2s, color 0.2s;
}
.hot-words-list a:hover {
    background: var(--primary);
    color: #fff;
}

/* ===================== CTA 横幅 ===================== */
.cta-banner {
    background: linear-gradient(120deg, rgba(23, 63, 56, 0.92) 0%, rgba(23, 63, 56, 0.75) 100%), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
    padding: 72px 0;
    border-radius: 0;
    position: relative;
    overflow: hidden;
}
.cta-banner .cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}
.cta-title {
    font-size: 30px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
}
.cta-desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.75);
    max-width: 520px;
}
.cta-banner .btn {
    font-size: 17px;
    padding: 14px 40px;
    min-width: 140px;
}

/* ===================== FAQ ===================== */
.faq-section {
    background: var(--bg);
    padding: var(--space-section) 0;
}
.faq-layout {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}
.faq-side {
    flex-shrink: 0;
    width: 220px;
    position: sticky;
    top: 100px;
}
.faq-side .faq-eyebrow {
    font-size: 12px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 8px;
}
.faq-side h2 {
    font-size: 30px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
}
.faq-side p {
    font-size: 14px;
    color: var(--text-light);
}
.faq-wrapper { flex: 1; max-width: 900px; }
.accordion {
    --bs-accordion-border-color: var(--border);
    --bs-accordion-bg: transparent;
    --bs-accordion-btn-bg: transparent;
    --bs-accordion-active-bg: transparent;
    --bs-accordion-active-color: var(--text);
    --bs-accordion-btn-focus-box-shadow: 0 0 0 3px rgba(47, 110, 94, 0.15);
    --bs-accordion-btn-padding-y: 20px;
    --bs-accordion-body-padding-y: 0 20px 20px;
}
.accordion-item {
    background: #FFFDF8;
    border: 1px solid var(--border);
    border-radius: 12px !important;
    margin-bottom: 16px;
    overflow: hidden;
    transition: background 0.3s, border-color 0.3s;
}
.accordion-item:not(:first-of-type) { border-top: 1px solid var(--border); }
.accordion-item.has-shadow {
    background: #FFF9F0;
    border-color: var(--border-accent);
}
.accordion-button {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    padding-right: 50px;
    transition: color 0.2s;
}
.accordion-button:not(.collapsed) {
    color: var(--primary);
}
.accordion-button::after {
    background-image: none;
    content: "+";
    font-size: 24px;
    font-weight: 300;
    color: var(--primary);
    width: auto;
    height: auto;
    transition: transform 0.3s ease;
    position: absolute;
    right: 20px;
    line-height: 1;
}
.accordion-button:not(.collapsed)::after {
    transform: rotate(45deg);
    background-image: none;
}
.accordion-body {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
    padding: 0 24px 22px;
}

/* ===================== 页脚 ===================== */
.site-footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.65);
    padding: 72px 0 0;
    font-size: 14px;
    line-height: 1.6;
}
.site-footer h5 {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 0.04em;
}
.site-footer a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    transition: color 0.2s;
    display: inline-block;
    margin-bottom: 8px;
}
.site-footer a:hover { color: #fff; }
.footer-brand {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    display: block;
    margin-bottom: 14px;
}
.footer-desc {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.6);
    max-width: 300px;
    margin-bottom: 20px;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 56px;
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
}

/* ===================== 响应式 ===================== */
@media (max-width: 991.98px) {
    .hero-title { font-size: 34px; }
    .hero-stats { gap: 24px; }
    .header-search { max-width: 260px; }
    .trend-links { display: none; }
    .mobile-toggle { display: flex; }
    .header-nav .nav-quick { display: none; }
    .section { padding: var(--space-section-mobile) 0; }
    .section-title { font-size: 26px; }
    .faq-layout { flex-direction: column; gap: 28px; }
    .faq-side { position: static; width: 100%; }
    .review-card { padding: 32px 24px 28px; }
    .cta-banner { padding: 52px 0; }
    .cta-title { font-size: 26px; }
    .hero-media { margin-top: 48px; }
}
@media (max-width: 767.98px) {
    .hero-section { padding: 56px 0; }
    .hero-title { font-size: 30px; }
    .hero-subtitle { font-size: 15px; }
    .hero-actions { gap: 12px; }
    .hero-actions .btn { padding: 10px 20px; font-size: 15px; }
    .hero-media .arch-frame { max-width: 260px; }
    .hero-media .arch-frame img { max-height: 260px; }
    .hero-media .float-1 { left: -8px; bottom: 20px; }
    .hero-media .float-2 { right: -4px; top: 30px; }
    .header-nav { display: none; }
    .header-top { padding: 10px 0; }
    .brand-logo { font-size: 18px; }
    .brand-logo .logo-mark { width: 28px; height: 28px; font-size: 14px; }
    .section-title { font-size: 24px; }
    .review-text { font-size: 16px; }
    .guarantee-item { gap: 14px; padding: 12px 0; }
    .guarantee-icon { width: 44px; height: 44px; font-size: 20px; }
    .cta-inner { flex-direction: column; text-align: center; }
    .cta-banner .btn { width: 100%; }
    .footer-bottom { margin-top: 40px; }
}
@media (max-width: 575.98px) {
    .hero-stats { gap: 16px; }
    .stat-item .stat-number { font-size: 20px; }
    .stat-item .stat-label { font-size: 12px; }
    .product-body { padding: 14px; }
    .product-title { font-size: 14px; min-height: 40px; }
    .product-price { font-size: 16px; }
    .topic-card .topic-overlay { padding: 20px; }
    .hot-words-box { padding: 20px; }
    .review-carousel .carousel-control-prev,
    .review-carousel .carousel-control-next { display: none; }
}

/* roulang page: category1 */
:root {
    --primary: #2F6E5E;
    --primary-dark: #24584C;
    --accent: #C65A35;
    --accent-dark: #A94E2C;
    --bg: #F5F0E6;
    --dark: #173F38;
    --text: #1F2A27;
    --text-muted: #5F6F6A;
    --border: rgba(23, 63, 56, 0.12);
    --border-soft: rgba(23, 63, 56, 0.06);
    --border-accent: rgba(198, 90, 53, 0.25);
    --radius-card: 14px;
    --radius-btn: 6px;
    --radius-pill: 40px;
    --radius-img: 10px;
    --shadow: 0 8px 24px rgba(23, 63, 56, 0.08);
    --shadow-hover: 0 14px 32px rgba(23, 63, 56, 0.14);
    --spacer-section: 96px;
    --font: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
}
* {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.75;
    letter-spacing: 0.02em;
    margin: 0;
}
a {
    color: var(--primary);
    text-decoration: none;
    transition: color .2s ease;
}
a:hover {
    color: var(--accent);
}
img {
    max-width: 100%;
    height: auto;
}
.container {
    max-width: 1200px;
    padding-left: 24px;
    padding-right: 24px;
}

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: var(--bg);
    box-shadow: 0 2px 12px rgba(23, 63, 56, 0.06);
}
.header-top {
    border-bottom: 1px solid var(--border);
}
.header-top-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 52px;
}
.brand {
    font-size: 21px;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: .02em;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 8px;
}
.brand:hover {
    color: var(--accent);
}
.brand-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    display: inline-block;
    flex-shrink: 0;
}
.header-search {
    flex: 0 1 40%;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    padding: 0 6px 0 18px;
    height: 38px;
    transition: border-color .2s, box-shadow .2s, background .2s;
}
.header-search:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(47, 110, 94, 0.15);
    background: #fff;
}
.header-search input {
    flex: 1;
    border: 0;
    background: transparent;
    outline: none;
    font-size: 14px;
    color: var(--text);
    font-family: var(--font);
}
.header-search button {
    border: 0;
    background: var(--primary);
    color: #fff;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: background .2s;
}
.header-search button:hover {
    background: var(--primary-dark);
}
.header-hot {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--text-muted);
    white-space: nowrap;
}
.header-hot span {
    margin-right: 4px;
}
.header-hot a {
    display: inline-block;
    padding: 4px 10px;
    color: var(--text-muted);
    border-radius: 40px;
    transition: color .2s, background .2s;
}
.header-hot a:hover {
    color: var(--accent);
    background: rgba(198, 90, 53, 0.06);
}
.mobile-toggle {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    width: 40px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark);
    font-size: 18px;
}
.mobile-toggle:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(47, 110, 94, 0.18);
}
.header-nav {
    background: var(--primary);
}
.header-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 44px;
}
.nav-channel {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 2px;
}
.nav-channel a {
    display: inline-block;
    padding: 9px 18px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 15px;
    border-radius: 6px;
    line-height: 1.4;
    transition: background .2s, color .2s;
}
.nav-channel a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
}
.nav-channel a.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.18);
    box-shadow: inset 0 -2px 0 #fff;
}
.nav-quick {
    display: flex;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 13px;
}
.nav-quick i {
    font-size: 14px;
}
.mobile-menu {
    background: var(--bg);
    border-top: 1px solid var(--border);
    padding: 10px 24px 20px;
}
.mobile-menu a {
    display: block;
    padding: 11px 4px;
    color: var(--text);
    font-size: 15px;
    border-bottom: 1px solid var(--border-soft);
}
.mobile-menu a:hover {
    color: var(--accent);
}
.mobile-menu a.active {
    color: var(--accent);
    font-weight: 600;
}

/* ===== Hero ===== */
.category-hero {
    position: relative;
    min-height: 300px;
    display: flex;
    align-items: center;
    background-image: url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
    color: #fff;
}
.category-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(23, 63, 56, 0.94), rgba(23, 63, 56, 0.68), rgba(23, 63, 56, 0.36));
}
.hero-crumbs {
    position: relative;
    z-index: 1;
    padding-top: 26px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.72);
}
.hero-crumbs a {
    color: rgba(255, 255, 255, 0.72);
}
.hero-crumbs a:hover {
    color: #fff;
}
.hero-crumbs .sep {
    margin: 0 8px;
    color: rgba(255, 255, 255, 0.4);
}
.category-hero .page-title {
    margin: 0 0 12px;
    font-size: 38px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: .02em;
}
.page-lead {
    margin: 0;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.92);
    max-width: 660px;
}
.hero-bottom {
    position: relative;
    z-index: 1;
    padding-bottom: 28px;
}

/* ===== Chips ===== */
.chips-section {
    padding: 26px 0 28px;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
}
.chip-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}
.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    border-radius: var(--radius-pill);
    background: #fff;
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 14px;
    line-height: 1.4;
    transition: all .25s ease;
}
.chip i {
    font-size: 14px;
    color: var(--primary);
}
.chip:hover {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 4px 14px rgba(47, 110, 94, 0.12);
}

/* ===== Section ===== */
.section-block {
    padding: var(--spacer-section) 0;
}
.section-block-alt {
    background: #fff;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.section-head {
    margin-bottom: 44px;
}
.section-kicker {
    display: block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 8px;
}
.section-title {
    font-size: 30px;
    font-weight: 700;
    color: var(--text);
    margin: 0;
    line-height: 1.35;
}
.section-sub {
    margin-top: 10px;
    color: var(--text-muted);
    font-size: 15px;
    max-width: 720px;
}
.section-head-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}
.section-head-row .more-link {
    font-size: 14px;
    color: var(--primary);
    font-weight: 600;
    white-space: nowrap;
}
.section-head-row .more-link:hover {
    color: var(--accent);
}

/* ===== Content Cards ===== */
.content-card {
    background: #fff;
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform .3s ease, box-shadow .3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}
.content-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.content-card .card-media {
    position: relative;
    overflow: hidden;
}
.content-card .card-media img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    display: block;
    border-radius: 0;
    transition: transform .4s ease;
}
.content-card:hover .card-media img {
    transform: scale(1.03);
}
.card-cat {
    position: absolute;
    left: 14px;
    top: 14px;
    background: rgba(255, 255, 255, 0.92);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 4px;
    line-height: 1.3;
    box-shadow: 0 4px 12px rgba(23, 63, 56, 0.08);
}
.card-body-box {
    padding: 20px 22px 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.card-title {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.4;
    margin: 0 0 8px;
    color: var(--text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.8em;
}
.card-title a {
    color: var(--text);
}
.card-title a:hover {
    color: var(--primary);
}
.card-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
    margin: 0 0 16px;
    flex: 1;
}
.card-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap .2s ease, color .2s ease;
}
.card-link:hover {
    color: var(--accent-dark);
    gap: 10px;
}
.grid-gap {
    --bs-gutter-y: 28px;
}
.offset-row {
    margin-top: 28px;
}

/* ===== Features ===== */
.feature-item {
    padding: 24px 20px;
    border-left: 3px solid var(--primary);
    background: rgba(47, 110, 94, 0.02);
    border-radius: 0 12px 12px 0;
    height: 100%;
    transition: background .25s, box-shadow .25s;
}
.feature-item:hover {
    background: rgba(47, 110, 94, 0.05);
    box-shadow: 0 6px 18px rgba(23, 63, 56, 0.06);
}
.feature-item i {
    font-size: 24px;
    color: var(--primary);
    display: block;
    margin-bottom: 12px;
}
.feature-item h3 {
    font-size: 17px;
    font-weight: 700;
    margin: 0 0 6px;
    color: var(--text);
}
.feature-item p {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.65;
}

/* ===== Process ===== */
.process-step {
    position: relative;
    background: #fff;
    border-radius: var(--radius-card);
    border: 1px solid var(--border-soft);
    padding: 32px 26px 28px;
    box-shadow: var(--shadow);
    height: 100%;
    transition: transform .3s ease, box-shadow .3s ease;
}
.process-step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.step-num {
    font-size: 42px;
    font-weight: 800;
    line-height: 1;
    color: rgba(47, 110, 94, 0.14);
    position: absolute;
    top: 22px;
    right: 24px;
}
.process-step h3 {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 10px;
    color: var(--text);
    padding-right: 40px;
}
.process-step p {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.7;
}
.step-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(47, 110, 94, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 18px;
}

/* ===== FAQ ===== */
.faq-section {
    background: var(--bg);
    padding: var(--spacer-section) 0;
}
.faq-wrap {
    max-width: 900px;
    margin: 0 auto;
}
.accordion-item {
    background: #fff;
    border: 1px solid rgba(47, 110, 94, 0.25) !important;
    border-radius: 12px !important;
    overflow: hidden;
    margin-bottom: 14px;
    box-shadow: 0 2px 8px rgba(23, 63, 56, 0.04);
}
.accordion-button {
    background: #fff;
    color: var(--text);
    font-size: 16px;
    font-weight: 600;
    padding: 20px 24px;
    box-shadow: none !important;
    font-family: var(--font);
    letter-spacing: .02em;
    line-height: 1.5;
}
.accordion-button:not(.collapsed) {
    background: #FFF9F0;
    color: var(--dark);
}
.accordion-button:focus {
    box-shadow: none !important;
}
.accordion-button::after {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    content: "+";
    background-image: none;
    font-size: 20px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-weight: 400;
    transition: transform .25s ease, color .25s ease;
}
.accordion-button:not(.collapsed)::after {
    content: "−";
    color: var(--primary);
    transform: none;
}
.accordion-body {
    padding: 6px 24px 22px;
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.8;
    border-top: 1px solid var(--border-soft);
}

/* ===== CTA ===== */
.cta-section {
    position: relative;
    background: var(--dark);
    padding: 64px 0;
    color: #fff;
    overflow: hidden;
}
.cta-section::before {
    content: "";
    position: absolute;
    right: -60px;
    top: -60px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.07);
}
.cta-section::after {
    content: "";
    position: absolute;
    right: 120px;
    bottom: -100px;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.05);
}
.cta-inner {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}
.cta-inner h2 {
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 8px;
    line-height: 1.35;
}
.cta-inner p {
    margin: 0;
    color: rgba(255, 255, 255, 0.7);
    font-size: 15px;
    max-width: 560px;
}

/* ===== Buttons ===== */
.btn-primary-custom {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--accent);
    border: 1px solid var(--accent);
    color: #fff;
    border-radius: var(--radius-btn);
    height: 46px;
    padding: 0 30px;
    font-size: 15px;
    font-weight: 600;
    font-family: var(--font);
    transition: all .25s ease;
    text-decoration: none;
}
.btn-primary-custom:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(198, 90, 53, 0.25);
}
.btn-primary-custom:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(198, 90, 53, 0.25);
}
.btn-outline-light-custom {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.7);
    color: #fff;
    border-radius: var(--radius-btn);
    height: 46px;
    padding: 0 30px;
    font-size: 15px;
    font-weight: 600;
    font-family: var(--font);
    transition: all .25s ease;
    text-decoration: none;
}
.btn-outline-light-custom:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

/* ===== Footer ===== */
.site-footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.72);
    padding: 56px 0 0;
    font-size: 14px;
}
.site-footer .footer-brand {
    display: inline-block;
    font-size: 20px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
    letter-spacing: .02em;
}
.footer-desc {
    font-size: 14px;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.62);
    margin: 0;
    max-width: 340px;
}
.site-footer h5 {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}
.site-footer a {
    color: rgba(255, 255, 255, 0.62);
    font-size: 14px;
    line-height: 2.2;
    transition: color .2s, padding-left .2s;
}
.site-footer a:hover {
    color: #fff;
    padding-left: 4px;
}
.site-footer p {
    margin-bottom: 10px;
    color: rgba(255, 255, 255, 0.62);
    line-height: 1.6;
}
.site-footer p i {
    color: var(--accent);
}
.footer-bottom {
    margin-top: 36px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 18px 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.45);
    font-size: 13px;
}

/* ===== Responsive ===== */
@media (max-width: 1199.98px) {
    .header-hot {
        display: none !important;
    }
}
@media (max-width: 991.98px) {
    .header-search {
        flex: 1 1 auto;
        max-width: 380px;
    }
    .section-block,
    .faq-section {
        padding: 64px 0;
    }
    .category-hero .page-title {
        font-size: 34px;
    }
    .section-title {
        font-size: 28px;
    }
    .feature-item {
        padding: 20px 16px;
    }
}
@media (max-width: 767.98px) {
    .header-top-inner {
        flex-wrap: nowrap;
        gap: 12px;
        min-height: 50px;
    }
    .header-search {
        order: 3;
        flex-basis: 100%;
        max-width: none;
        margin-bottom: 10px;
        height: 36px;
    }
    .header-top-inner {
        flex-wrap: wrap;
    }
    .brand {
        flex: 0 0 auto;
    }
    .mobile-toggle {
        margin-left: auto;
    }
    .category-hero {
        min-height: 240px;
    }
    .category-hero .page-title {
        font-size: 29px;
    }
    .page-lead {
        font-size: 15px;
    }
    .section-block,
    .faq-section {
        padding: 52px 0;
    }
    .section-title {
        font-size: 25px;
    }
    .card-title {
        font-size: 17px;
    }
    .cta-inner {
        flex-direction: column;
        align-items: flex-start;
    }
    .cta-inner h2 {
        font-size: 24px;
    }
    .process-step {
        padding: 26px 22px 24px;
    }
}
@media (max-width: 520px) {
    .container {
        padding-left: 18px;
        padding-right: 18px;
    }
    .nav-channel a {
        padding: 9px 12px;
        font-size: 14px;
    }
    .header-nav .container {
        padding-left: 12px;
        padding-right: 12px;
    }
    .chip {
        font-size: 13px;
        padding: 7px 14px;
    }
}

/* roulang page: article */
:root {
            --primary: #2F6E5E;
            --primary-dark: #24584C;
            --accent: #C65A35;
            --accent-dark: #A94E2C;
            --bg: #F5F0E6;
            --bg-card: #FFF9F0;
            --dark: #173F38;
            --text: #1F2A27;
            --text-secondary: #5F6F6A;
            --border: rgba(23, 63, 56, 0.12);
            --border-accent: rgba(198, 90, 53, 0.25);
            --radius-card: 14px;
            --radius-btn: 6px;
            --radius-img: 10px;
            --radius-search: 40px;
            --shadow-card: 0 8px 24px rgba(23, 63, 56, 0.08);
            --shadow-hover: 0 14px 32px rgba(23, 63, 56, 0.14);
            --header-shadow: 0 4px 20px rgba(23, 63, 56, 0.08);
            --section-pad: 96px;
            --section-pad-mobile: 56px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            letter-spacing: 0.02em;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: var(--primary);
            transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease;
        }

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

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

        .container {
            max-width: 1200px;
        }

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--bg);
            transition: box-shadow 0.3s ease;
        }

        .site-header.is-sticky {
            box-shadow: var(--header-shadow);
        }

        .header-top {
            background: var(--bg);
            border-bottom: 1px solid var(--border);
            transition: all 0.3s ease;
        }

        .site-header.is-sticky .header-top {
            max-height: 0;
            overflow: hidden;
            border-bottom: none;
            padding-top: 0;
            padding-bottom: 0;
        }

        .header-top-row {
            min-height: 48px;
            padding: 6px 0;
        }

        .header-logo {
            font-size: 24px;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: 0.01em;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            line-height: 1.2;
        }

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

        .header-logo .logo-mark {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            margin-right: 2px;
        }

        .header-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.85);
            border-radius: var(--radius-search);
            padding: 4px 4px 4px 20px;
            border: 1px solid transparent;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
            max-width: 420px;
            width: 100%;
        }

        .header-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(47, 110, 94, 0.15);
        }

        .header-search input {
            flex: 1;
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            color: var(--text);
            padding: 6px 0;
        }

        .header-search input::placeholder {
            color: var(--text-secondary);
            opacity: 0.7;
        }

        .header-search button {
            background: var(--primary);
            border: none;
            color: #fff;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background 0.25s ease;
        }

        .header-search button:hover {
            background: var(--primary-dark);
        }

        .header-hot {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-secondary);
            justify-content: flex-end;
            white-space: nowrap;
        }

        .header-hot .hot-label {
            color: var(--accent);
            font-weight: 600;
            font-size: 12px;
            letter-spacing: 0.05em;
        }

        .header-hot a {
            color: var(--text-secondary);
            transition: color 0.25s ease;
        }

        .header-hot a:hover {
            color: var(--accent);
        }

        .btn-mobile-toggle {
            background: transparent;
            border: none;
            font-size: 24px;
            color: var(--dark);
            padding: 4px 10px;
            cursor: pointer;
            line-height: 1;
        }

        .btn-mobile-toggle:hover {
            color: var(--primary);
        }

        /* Nav Channel */
        .header-nav {
            background: var(--dark);
            border-bottom: none;
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.is-sticky .header-nav {
            background: rgba(23, 63, 56, 0.96);
            backdrop-filter: blur(12px);
            box-shadow: 0 4px 20px rgba(23, 63, 56, 0.15);
        }

        .header-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .nav-channel {
            list-style: none;
            display: flex;
            gap: 0;
            margin: 0;
            padding: 0;
        }

        .nav-channel li {
            margin: 0;
        }

        .nav-channel a {
            display: block;
            padding: 10px 20px;
            color: rgba(255, 255, 255, 0.88);
            font-size: 15px;
            font-weight: 500;
            border-bottom: 3px solid transparent;
            transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease;
            letter-spacing: 0.02em;
        }

        .nav-channel a:hover {
            color: #fff;
            border-bottom-color: rgba(255, 255, 255, 0.4);
        }

        .nav-channel a.active {
            color: #fff;
            border-bottom-color: var(--accent);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-quick {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 13px;
            white-space: nowrap;
        }

        .nav-quick i {
            color: var(--accent);
        }

        /* Mobile Offcanvas */
        .offcanvas {
            background: var(--bg);
        }

        .offcanvas-header {
            border-bottom: 1px solid var(--border);
            padding: 16px 24px;
        }

        .offcanvas-body {
            padding: 24px;
        }

        .mobile-nav {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
        }

        .mobile-nav li {
            border-bottom: 1px solid var(--border);
        }

        .mobile-nav a {
            display: block;
            padding: 14px 4px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            border-left: 3px solid transparent;
            transition: all 0.25s ease;
        }

        .mobile-nav a:hover,
        .mobile-nav a.active {
            color: var(--primary);
            border-left-color: var(--accent);
            padding-left: 12px;
        }

        .mobile-contact {
            font-size: 14px;
            color: var(--text-secondary);
            padding-top: 16px;
            border-top: 1px solid var(--border);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* ========== Breadcrumb ========== */
        .article-breadcrumb {
            padding: 16px 0 0;
            background: var(--bg);
        }

        .breadcrumb {
            margin: 0;
            font-size: 14px;
        }

        .breadcrumb-item a {
            color: var(--text-secondary);
        }

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

        .breadcrumb-item.active {
            color: var(--text);
            font-weight: 500;
        }

        .breadcrumb-item+.breadcrumb-item::before {
            content: "/";
            color: rgba(95, 111, 106, 0.5);
        }

        /* ========== Article Header ========== */
        .article-header {
            padding: 40px 0 24px;
        }

        .article-header-inner {
            max-width: 880px;
            margin: 0 auto;
        }

        .article-kicker {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.3em;
            color: var(--accent);
            margin-bottom: 12px;
        }

        .article-title {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }

        .article-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 20px;
            line-height: 1.6;
            padding-left: 12px;
            border-left: 3px solid var(--border-accent);
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 28px;
        }

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

        .article-meta i {
            font-size: 14px;
            color: var(--primary);
        }

        .article-featured-img {
            width: 100%;
            border-radius: var(--radius-img);
            object-fit: cover;
            max-height: 480px;
            box-shadow: var(--shadow-card);
            display: block;
        }

        /* ========== Article Body ========== */
        .article-body-wrap {
            padding: 32px 0 56px;
        }

        .article-content {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text);
        }

        .article-content p {
            margin-bottom: 1.8em;
        }

        .article-content h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin: 2.2em 0 0.8em;
            line-height: 1.4;
        }

        .article-content h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            margin: 1.8em 0 0.6em;
            line-height: 1.4;
        }

        .article-content blockquote {
            border-left: 3px solid var(--accent);
            background: var(--bg-card);
            padding: 18px 24px;
            margin: 2em 0;
            border-radius: 0 8px 8px 0;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .article-content ul,
        .article-content ol {
            margin-bottom: 1.8em;
            padding-left: 1.4em;
        }

        .article-content li {
            margin-bottom: 0.6em;
        }

        .article-content img {
            max-width: 100%;
            border-radius: 8px;
            margin: 1.5em 0;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 2em 0;
            font-size: 15px;
        }

        .article-content table th {
            background: var(--primary);
            color: #fff;
            padding: 12px 16px;
            font-weight: 600;
            text-align: left;
        }

        .article-content table td {
            padding: 10px 16px;
            border-bottom: 1px solid var(--border);
            background: rgba(255, 255, 255, 0.5);
        }

        .article-content table tr:last-child td {
            border-bottom: 1px solid var(--border);
        }

        .article-content a {
            color: var(--primary);
            border-bottom: 1px solid transparent;
        }

        .article-content a:hover {
            border-bottom-color: var(--accent);
        }

        .article-not-found {
            text-align: center;
            padding: 48px 24px;
            border: 2px dashed var(--border);
            border-radius: var(--radius-card);
        }

        .article-not-found p {
            font-size: 18px;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        /* ========== Tags ========== */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }

        .tag-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 600;
            margin-right: 4px;
        }

        .tag-badge {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(47, 110, 94, 0.08);
            color: var(--primary);
            border: 1px solid rgba(47, 110, 94, 0.2);
            border-radius: 30px;
            font-size: 13px;
            font-weight: 500;
            transition: all 0.25s ease;
        }

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

        /* ========== Prev / Next ========== */
        .article-prevnext {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            margin-top: 32px;
            padding: 20px 0;
            border-top: 1px solid var(--border);
            flex-wrap: wrap;
        }

        .prev-link,
        .next-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 8px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            transition: all 0.25s ease;
            max-width: 48%;
        }

        .prev-link:hover,
        .next-link:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: rgba(47, 110, 94, 0.04);
        }

        .prev-link i,
        .next-link i {
            font-size: 12px;
        }

        /* ========== Related Section ========== */
        .related-section {
            background: linear-gradient(180deg, var(--bg) 0%, rgba(47, 110, 94, 0.04) 50%, var(--bg) 100%);
            padding: 72px 0;
        }

        .section-title {
            font-size: 30px;
            font-weight: 800;
            color: var(--text);
            text-align: center;
            margin-bottom: 16px;
            position: relative;
        }

        .section-title::after {
            content: "";
            display: block;
            width: 40px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            margin: 12px auto 0;
        }

        .related-card {
            display: block;
            background: #fff;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
            height: 100%;
            border: 1px solid transparent;
        }

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

        .related-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .related-card-body {
            padding: 20px 22px 24px;
        }

        .related-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .read-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color 0.25s ease;
        }

        .read-link::after {
            content: "→";
            font-size: 14px;
            transition: transform 0.25s ease;
        }

        .related-card:hover .read-link {
            color: var(--accent);
        }

        .related-card:hover .read-link::after {
            transform: translateX(3px);
        }

        /* ========== Return ========== */
        .article-return {
            padding: 32px 0 72px;
            text-align: center;
        }

        .btn-outline-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            padding: 10px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            transition: all 0.25s ease;
            height: auto;
        }

        .btn-outline-primary:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(47, 110, 94, 0.2);
        }

        .btn-outline-primary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(47, 110, 94, 0.2);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 64px 0 0;
            margin-top: 0;
        }

        .footer-brand {
            display: inline-block;
            font-size: 22px;
            font-weight: 800;
            color: var(--bg);
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 16px;
            max-width: 360px;
        }

        .site-footer h5 {
            font-size: 16px;
            font-weight: 600;
            color: var(--bg);
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 8px;
        }

        .site-footer h5::after {
            content: "";
            display: block;
            width: 24px;
            height: 2px;
            background: var(--accent);
            margin-top: 8px;
            border-radius: 2px;
        }

        .site-footer a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            display: inline-block;
            padding: 4px 0;
            transition: color 0.25s ease, padding-left 0.25s ease;
        }

        .site-footer a:hover {
            color: var(--bg);
            padding-left: 4px;
        }

        .site-footer p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .site-footer p i {
            color: var(--accent);
            font-size: 15px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            margin-top: 48px;
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ========== Responsive ========== */
        @media (max-width: 991.98px) {
            .header-top-row {
                min-height: 52px;
            }

            .header-logo {
                font-size: 20px;
            }

            .site-header.is-sticky .header-top {
                max-height: none;
                padding-top: 6px;
                padding-bottom: 6px;
            }

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

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

        @media (max-width: 767.98px) {
            :root {
                --section-pad: var(--section-pad-mobile);
            }

            .header-top-row {
                min-height: 48px;
                padding: 4px 0;
            }

            .header-logo {
                font-size: 18px;
            }

            .article-header {
                padding: 28px 0 16px;
            }

            .article-title {
                font-size: 26px;
                line-height: 1.4;
            }

            .article-subtitle {
                font-size: 14px;
            }

            .article-meta {
                gap: 12px;
                font-size: 12px;
                flex-wrap: wrap;
            }

            .article-content {
                font-size: 15px;
            }

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

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

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

            .related-card img {
                height: 180px;
            }

            .prev-link,
            .next-link {
                max-width: 100%;
                width: 100%;
            }

            .article-prevnext {
                flex-direction: column;
                gap: 10px;
            }

            .site-footer {
                padding: 48px 0 0;
            }

            .footer-bottom {
                margin-top: 32px;
            }
        }

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

            .article-title {
                font-size: 24px;
            }

            .header-logo {
                font-size: 17px;
            }

            .article-body-wrap {
                padding: 20px 0 40px;
            }

            .article-tags {
                gap: 8px;
            }

            .tag-badge {
                font-size: 12px;
                padding: 3px 10px;
            }
        }