/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
    --primary: #2E5B4A;
    --primary-dark: #1F4034;
    --primary-light: #3A6F5C;
    --secondary: #B5533D;
    --secondary-light: #C96A53;
    --gold: #CBA65A;
    --gold-light: #E0C88A;
    --bg: #F7F4EE;
    --bg-alt: #EDE8DF;
    --dark: #223330;
    --text: #2B2B2B;
    --text-light: #6B6B6B;
    --border: #E5DFD2;
    --radius-card: 14px;
    --radius-btn: 8px;
    --shadow-card: 0 4px 16px rgba(34,51,48,0.06);
    --shadow-hover: 0 12px 32px rgba(34,51,48,0.14);
    --transition: all 0.25s ease;
}

/* ========== Reset / Base ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: 'Noto Sans SC', 'Noto Sans', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 16px;
    line-height: 1.75;
    color: var(--text);
    background: var(--bg);
    letter-spacing: 0.01em;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary); }
ul, ol { list-style: none; }
input, button, select, textarea { font-family: inherit; font-size: 1rem; outline: none; }
button { cursor: pointer; background: none; border: none; }
h1, h2, h3, h4, h5, h6 {
    font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
    letter-spacing: 0.02em;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text);
}

/* ========== 布局容器 ========== */
.main-content { margin-left: 240px; min-height: 100vh; }
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }
.grid-container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* ========== 左侧导航 ========== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 240px;
    height: 100vh;
    background: var(--primary);
    display: flex;
    flex-direction: column;
    z-index: 2000;
    padding: 32px 0 24px;
    transition: transform 0.3s ease;
    overflow-y: auto;
}
.sidebar-logo {
    padding: 0 28px 28px;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    margin-bottom: 20px;
}
.logo-mark {
    font-family: 'Noto Serif SC', serif;
    font-size: 36px;
    font-weight: 900;
    color: #fff;
    line-height: 1;
    display: block;
}
.logo-text {
    font-family: 'Noto Serif SC', serif;
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    display: block;
    margin-top: 6px;
    line-height: 1.2;
}
.logo-caption {
    display: block;
    font-size: 11px;
    color: var(--gold);
    letter-spacing: 0.18em;
    margin-top: 10px;
    text-transform: uppercase;
    font-weight: 500;
}
.sidebar-nav { flex: 1; padding: 8px 0; }
.sidebar-nav .nav-item {
    display: flex;
    align-items: center;
    height: 44px;
    padding: 0 28px;
    font-size: 15px;
    font-weight: 500;
    color: rgba(255,255,255,0.7);
    border-left: 3px solid transparent;
    transition: var(--transition);
    position: relative;
}
.sidebar-nav .nav-item:hover {
    color: rgba(255,255,255,0.95);
    background: rgba(255,255,255,0.06);
}
.sidebar-nav .nav-item.active {
    color: #fff;
    border-left-color: var(--gold);
    background: rgba(255,255,255,0.08);
    font-weight: 700;
}
.sidebar-contact {
    padding: 20px 28px;
    border-top: 1px solid rgba(255,255,255,0.15);
    margin-top: 16px;
}
.sidebar-contact p {
    font-size: 12px;
    color: rgba(255,255,255,0.6);
    margin-bottom: 6px;
    letter-spacing: 0.05em;
}
.sidebar-contact a {
    font-size: 13px;
    color: rgba(255,255,255,0.85);
    display: block;
    word-break: break-all;
}
.sidebar-contact a:hover { color: var(--gold); }

/* ========== 移动端顶部栏 ========== */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: var(--primary);
    z-index: 2000;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    box-shadow: 0 2px 12px rgba(34,51,48,0.2);
}
.mobile-header .mobile-logo {
    font-family: 'Noto Serif SC', serif;
    font-size: 19px;
    font-weight: 700;
    color: #fff;
}
.hamburger {
    width: 40px;
    height: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
}
.hamburger span {
    width: 20px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: var(--transition);
}

/* 移动端抽屉 */
.mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100vh;
    background: var(--primary);
    z-index: 3000;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    padding: 28px 0 24px;
    overflow-y: auto;
    box-shadow: 2px 0 24px rgba(0,0,0,0.2);
}
.mobile-drawer.open { transform: translateX(0); }
.drawer-logo {
    padding: 0 24px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    margin-bottom: 16px;
}
.drawer-logo .logo-text { font-size: 24px; }
.drawer-logo .logo-caption { font-size: 11px; }
.drawer-nav { flex: 1; }
.drawer-nav .nav-item {
    display: flex;
    align-items: center;
    height: 48px;
    padding: 0 24px;
    color: rgba(255,255,255,0.75);
    font-size: 15px;
    border-left: 3px solid transparent;
}
.drawer-nav .nav-item:hover { background: rgba(255,255,255,0.06); color: #fff; }
.drawer-nav .nav-item.active { color: #fff; border-left-color: var(--gold); background: rgba(255,255,255,0.08); font-weight: 700; }
.drawer-contact {
    padding: 16px 24px;
    border-top: 1px solid rgba(255,255,255,0.15);
}
.drawer-contact p { font-size: 12px; color: rgba(255,255,255,0.5); margin-bottom: 4px; }
.drawer-contact a { font-size: 13px; color: rgba(255,255,255,0.8); }
.drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.45);
    z-index: 2500;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}
.drawer-overlay.show { opacity: 1; visibility: visible; }

/* ========== 按钮 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 28px;
    border-radius: var(--radius-btn);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.03em;
    border: 2px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
    cursor: pointer;
}
.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 2px 10px rgba(46,91,74,0.2);
}
.btn-primary:hover {
    background: var(--primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46,91,74,0.3);
}
.btn-secondary {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.7);
}
.btn-secondary:hover {
    border-color: var(--gold);
    background: rgba(197,166,90,0.1);
    color: var(--gold-light);
    transform: translateY(-2px);
}
.btn-terracotta {
    background: var(--secondary);
    color: #fff;
    box-shadow: 0 2px 10px rgba(181,83,61,0.2);
}
.btn-terracotta:hover {
    background: #A04733;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(181,83,61,0.3);
}
.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline:hover {
    background: rgba(46,91,74,0.06);
    transform: translateY(-2px);
}
.btn-lg { height: 56px; padding: 0 40px; font-size: 17px; }

/* ========== Hero ========== */
.hero {
    position: relative;
    min-height: 92vh;
    display: flex;
    align-items: center;
    background: linear-gradient(120deg, rgba(34,51,48,0.88) 0%, rgba(46,91,74,0.72) 55%, rgba(46,91,74,0.5) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
    color: #fff;
    padding: 60px 0;
}
.hero-inner { width: 100%; }
.hero-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 48px;
    line-height: 1.2;
    color: #fff;
    font-weight: 900;
    margin-bottom: 24px;
    max-width: 620px;
    letter-spacing: 0.02em;
}
.hero-title .gold-line {
    color: var(--gold-light);
    text-decoration: underline;
    text-decoration-color: rgba(197,166,90,0.6);
    text-decoration-thickness: 3px;
    text-underline-offset: 8px;
}
.hero-sub {
    font-size: 17px;
    line-height: 1.8;
    color: rgba(255,255,255,0.85);
    max-width: 500px;
    margin-bottom: 36px;
    font-weight: 400;
}
.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.hero-card {
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 14px;
    padding: 32px 28px;
    max-width: 320px;
    text-align: center;
}
.hero-card .brand-mark {
    font-family: 'Noto Serif SC', serif;
    font-size: 42px;
    font-weight: 900;
    color: var(--gold-light);
    line-height: 1;
    display: block;
}
.hero-card .brand-sub {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
    margin-top: 8px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}
.hero-card .brand-divider {
    width: 40px;
    height: 2px;
    background: var(--gold);
    margin: 16px auto;
    opacity: 0.6;
}
.hero-card .brand-desc {
    font-size: 13px;
    color: rgba(255,255,255,0.7);
    line-height: 1.7;
}
.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    width: 26px;
    height: 42px;
    border: 2px solid rgba(255,255,255,0.6);
    border-radius: 14px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}
.scroll-indicator span {
    width: 4px;
    height: 10px;
    background: var(--gold-light);
    border-radius: 3px;
    animation: scrollHint 2s ease infinite;
}
@keyframes scrollHint {
    0% { opacity: 1; transform: translateY(0); }
    70% { opacity: 0; transform: translateY(12px); }
    100% { opacity: 0; transform: translateY(0); }
}

/* ========== Story 区 ========== */
.section-story { background: var(--bg); }
.section-head {
    margin-bottom: 48px;
}
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 700;
    color: var(--secondary);
    letter-spacing: 0.06em;
    margin-bottom: 14px;
}
.section-tag::before {
    content: '';
    width: 28px;
    height: 2px;
    background: var(--gold);
    display: inline-block;
}
.section-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 34px;
    color: var(--text);
    line-height: 1.3;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}
.section-desc {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.8;
    max-width: 760px;
}
.story-image-wrap {
    position: relative;
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    height: 100%;
    min-height: 360px;
}
.story-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.story-image-wrap:hover img { transform: scale(1.03); }
.story-body { padding-left: 48px; }
.story-body p {
    font-size: 16px;
    line-height: 1.85;
    color: #444;
    margin-bottom: 20px;
}
.story-stats {
    display: flex;
    gap: 0;
    margin-top: 36px;
    border-top: 1px solid var(--border);
    padding-top: 28px;
}
.story-stat {
    flex: 1;
    text-align: left;
    padding-right: 24px;
    position: relative;
}
.story-stat + .story-stat { border-left: 1px solid var(--border); padding-left: 24px; }
.stat-num {
    font-family: 'Noto Serif SC', serif;
    font-size: 36px;
    font-weight: 900;
    color: var(--gold);
    line-height: 1;
}
.stat-num sup { font-size: 18px; }
.stat-label {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 8px;
    line-height: 1.5;
}

/* ========== 精选卡片 ========== */
.section-featured { background: var(--bg-alt); }
.feature-card {
    background: #fff;
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}
.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.feature-card-img {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}
.feature-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.feature-card:hover .feature-card-img img { transform: scale(1.05); }
.feature-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: var(--secondary);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 999px;
    letter-spacing: 0.02em;
}
.feature-card-body {
    padding: 24px 24px 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.feature-card-title {
    font-size: 20px;
    line-height: 1.4;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text);
    font-family: 'Noto Serif SC', serif;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.feature-card-summary {
    font-size: 14px;
    line-height: 1.75;
    color: var(--text-light);
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}
.feature-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--border);
    padding-top: 14px;
}
.feature-card-date {
    font-size: 13px;
    color: var(--text-light);
}
.feature-card-link {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.feature-card-link:hover { color: var(--secondary); gap: 8px; }
.feature-card-link::after { content: '→'; transition: margin-left 0.25s; }
.feature-card-link:hover::after { margin-left: 4px; }

/* ========== 资讯列表区 ========== */
.section-news { background: var(--bg); }
.news-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 36px;
}
.news-all-link {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding-bottom: 4px;
    border-bottom: 2px solid transparent;
}
.news-all-link:hover {
    color: var(--secondary);
    border-bottom-color: var(--secondary);
}
.news-list { border-top: 1px solid var(--border); }
.news-row {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 20px 12px;
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
}
.news-row:hover {
    background: #F0EBE0;
    padding-left: 18px;
}
.news-row .news-tag {
    min-width: 80px;
    background: rgba(181,83,61,0.1);
    color: var(--secondary);
    font-size: 13px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 999px;
    text-align: center;
    flex-shrink: 0;
    display: inline-block;
    max-width: 100px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.news-row .news-main { flex: 1; min-width: 0; }
.news-row .news-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 17px;
    line-height: 1.5;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color 0.2s;
}
.news-row:hover .news-title { color: var(--primary); }
.news-row .news-summary {
    font-size: 13px;
    color: var(--text-light);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.5;
}
.news-row .news-date {
    font-size: 13px;
    color: var(--text-light);
    white-space: nowrap;
    flex-shrink: 0;
}
.news-row .news-arrow {
    font-size: 18px;
    color: var(--text-light);
    flex-shrink: 0;
    transition: var(--transition);
}
.news-row:hover .news-arrow {
    color: var(--secondary);
    transform: translateX(4px);
}
.news-empty {
    border: 2px dashed var(--border);
    border-radius: var(--radius-card);
    padding: 48px 24px;
    text-align: center;
    background: rgba(255,255,255,0.6);
}
.news-empty p { font-size: 16px; color: var(--text-light); line-height: 1.7; }
.news-empty p:first-child { font-weight: 700; color: var(--text); font-size: 18px; margin-bottom: 6px; }

/* ========== 信任区 ========== */
.section-trust {
    background: var(--dark);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.section-trust::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: rgba(46,91,74,0.4);
    filter: blur(60px);
}
.trust-stats {
    display: flex;
    gap: 48px;
    margin-bottom: 64px;
    position: relative;
    z-index: 1;
}
.trust-stat {
    flex: 1;
    padding: 32px 24px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-card);
    text-align: center;
    transition: var(--transition);
}
.trust-stat:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(197,166,90,0.3);
    transform: translateY(-4px);
}
.trust-stat .stat-num {
    font-family: 'Noto Serif SC', serif;
    font-size: 52px;
    color: var(--gold-light);
    font-weight: 900;
    line-height: 1;
    display: block;
}
.trust-stat .stat-label {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    margin-top: 10px;
    display: block;
}
.trust-quote {
    position: relative;
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
    padding: 0 24px;
}
.trust-quote .quote-mark {
    font-family: 'Noto Serif SC', serif;
    font-size: 72px;
    color: var(--gold);
    line-height: 0.6;
    display: block;
    margin-bottom: 16px;
    opacity: 0.4;
}
.trust-quote blockquote {
    font-family: 'Noto Serif SC', serif;
    font-size: 20px;
    line-height: 1.7;
    color: rgba(255,255,255,0.92);
    border: none;
    margin-bottom: 20px;
}
.trust-quote cite {
    font-size: 14px;
    font-style: normal;
    color: rgba(255,255,255,0.55);
    letter-spacing: 0.04em;
}

/* ========== FAQ ========== */
.section-faq { background: var(--bg); }
.faq-list {
    max-width: 860px;
    margin: 0 auto;
}
.faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    margin-bottom: 14px;
    overflow: hidden;
    transition: var(--transition);
}
.faq-item:hover { border-color: rgba(46,91,74,0.3); box-shadow: var(--shadow-card); }
.faq-item.active { border-left: 4px solid var(--primary); }
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 24px;
    cursor: pointer;
    font-size: 17px;
    font-weight: 600;
    font-family: 'Noto Sans SC', sans-serif;
    color: var(--text);
    gap: 16px;
}
.faq-question .faq-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(46,91,74,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--primary);
    flex-shrink: 0;
    transition: transform 0.25s ease;
    font-weight: 700;
}
.faq-item.active .faq-icon { transform: rotate(45deg); background: var(--primary); color: #fff; }
.faq-answer {
    display: none;
    padding: 0 24px 22px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-light);
}
.faq-item.active .faq-answer { display: block; animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }

/* ========== CTA / 订阅 ========== */
.section-cta { background: var(--bg-alt); position: relative; }
.cta-box {
    background: #fff;
    border-radius: 20px;
    box-shadow: var(--shadow-card);
    padding: 64px 48px;
    display: flex;
    gap: 48px;
    align-items: center;
    border: 1px solid var(--border);
}
.cta-left { flex: 1.2; }
.cta-left h2 {
    font-size: 30px;
    margin-bottom: 12px;
    font-family: 'Noto Serif SC', serif;
}
.cta-left p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
    max-width: 500px;
}
.cta-right { flex: 1; }
.subscribe-form {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}
.subscribe-input {
    flex: 1;
    height: 48px;
    border: 1px solid #D8D0C0;
    border-radius: var(--radius-btn);
    padding: 0 18px;
    font-size: 15px;
    background: var(--bg);
    min-width: 0;
    transition: var(--transition);
}
.subscribe-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(46,91,74,0.15);
    background: #fff;
}
.subscribe-input.error-input {
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(181,83,61,0.12);
}
.form-message {
    font-size: 13px;
    line-height: 1.6;
    margin-bottom: 12px;
    min-height: 22px;
}
.form-message.success { color: #2E7D5B; }
.form-message.error { color: var(--secondary); }
.form-message .check-icon { font-weight: 700; }
.cta-divider {
    border-top: 1px solid var(--border);
    margin: 28px 0;
    position: relative;
}
.cta-divider::after {
    content: '或';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: #fff;
    padding: 0 12px;
    font-size: 13px;
    color: var(--text-light);
}
.cta-enter-btn { width: 100%; }

/* ========== 页脚 ========== */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.8);
    padding: 64px 0 24px;
}
.footer-brand-name {
    font-family: 'Noto Serif SC', serif;
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}
.footer-brand-desc {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255,255,255,0.55);
    max-width: 280px;
    margin-bottom: 16px;
}
.footer-title {
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: 0.08em;
}
.footer-nav li { margin-bottom: 10px; }
.footer-nav a {
    font-size: 14px;
    color: rgba(255,255,255,0.55);
}
.footer-nav a:hover { color: var(--gold-light); }
.footer-contact p {
    font-size: 14px;
    color: rgba(255,255,255,0.55);
    margin-bottom: 8px;
    line-height: 1.6;
}
.footer-contact a { color: rgba(255,255,255,0.7); }
.footer-contact a:hover { color: var(--gold-light); }
.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}
.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,0.1);
    transition: var(--transition);
}
.footer-social a:hover {
    background: rgba(197,166,90,0.2);
    border-color: var(--gold);
    transform: translateY(-3px);
}
.footer-social svg {
    width: 17px;
    height: 17px;
    fill: rgba(255,255,255,0.7);
}
.footer-social a:hover svg { fill: var(--gold-light); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: 48px;
    padding-top: 24px;
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,0.45);
    line-height: 1.7;
}

/* ========== 响应式断点 ========== */
@media (max-width: 1024px) {
    .sidebar { width: 220px; }
    .main-content { margin-left: 220px; }
    .hero-title { font-size: 40px; }
    .section { padding: 80px 0; }
    .cta-box { padding: 48px 32px; flex-direction: column; }
    .story-body { padding-left: 0; padding-top: 24px; }
}

@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); display: none; }
    .mobile-header { display: flex; }
    .main-content { margin-left: 0; }
    .section { padding: 64px 0; }
    .hero { min-height: 80vh; padding: 80px 0 60px; }
    .hero-title { font-size: 32px; }
    .hero-sub { font-size: 16px; }
    .hero-card { margin-top: 32px; }
    .trust-stats { flex-direction: column; gap: 16px; }
    .cta-box { padding: 36px 24px; }
    .subscribe-form { flex-direction: column; }
    .subscribe-form .btn { width: 100%; }
    .news-row { flex-wrap: wrap; gap: 8px 16px; }
    .news-row .news-summary { display: none; }
    .news-row .news-date { margin-left: auto; }
    .story-stats { flex-wrap: wrap; gap: 16px; }
    .story-stat { padding-right: 16px; }
    .story-stat + .story-stat { padding-left: 16px; }
    .footer-grid { display: block; }
}

@media (max-width: 640px) {
    .grid-container { padding: 0 20px; }
    .hero { min-height: auto; padding: 100px 0 70px; }
    .hero-title { font-size: 30px; }
    .hero-cta { flex-direction: column; width: 100%; }
    .hero-cta .btn { width: 100%; }
    .story-stats { flex-direction: column; gap: 12px; }
    .story-stat { border-left: none !important; padding-left: 0 !important; border-top: 1px solid var(--border); padding-top: 16px; }
    .story-stat:first-child { border-top: none; padding-top: 0; }
    .news-header { flex-direction: column; align-items: flex-start; gap: 12px; }
    .news-all-link { align-self: flex-start; }
    .trust-stat { padding: 24px 16px; }
    .trust-stat .stat-num { font-size: 42px; }
    .faq-question { font-size: 15px; padding: 18px 20px; }
    .faq-answer { padding: 0 20px 18px; font-size: 14px; }
}

/* roulang page: category1 */
:root {
            --primary: #2E5B4A;
            --primary-dark: #1F4034;
            --primary-light: #3D735E;
            --accent: #B5533D;
            --accent-light: #E8D5CF;
            --gold: #CBA65A;
            --gold-light: #E6D3A4;
            --bg: #F7F4EE;
            --bg-alt: #EDE8DF;
            --dark: #223330;
            --text: #2B2B2B;
            --text-light: #6B6B6B;
            --border: #E5DFD2;
            --card-shadow: 0 4px 16px rgba(34, 51, 48, 0.06);
            --card-shadow-hover: 0 12px 32px rgba(34, 51, 48, 0.14);
            --radius-card: 14px;
            --radius-btn: 8px;
            --radius-tag: 999px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "SimSun", Georgia, serif;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        }

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

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

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            letter-spacing: 0.01em;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 左侧侧边栏（桌面端） ===== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 240px;
            height: 100vh;
            background: var(--primary);
            display: flex;
            flex-direction: column;
            z-index: 100;
            padding: 32px 0 24px;
            overflow-y: auto;
            transition: transform var(--transition);
        }

        .sidebar-logo {
            padding: 0 24px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .sidebar-logo a {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #fff;
            text-decoration: none;
        }

        .sidebar-logo-icon {
            width: 42px;
            height: 42px;
            flex-shrink: 0;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--gold), #8F6B2E);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-serif);
            font-weight: 900;
            font-size: 16px;
            color: #fff;
            letter-spacing: -0.05em;
        }

        .sidebar-logo-text {
            font-family: var(--font-serif);
            font-size: 17px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            letter-spacing: 0.02em;
        }

        .sidebar-logo-sub {
            font-size: 11px;
            color: var(--gold);
            margin-top: 2px;
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }

        .sidebar-nav-wrap {
            flex: 1;
            padding: 20px 0;
        }

        .sidebar-nav-title {
            padding: 0 24px;
            font-size: 11px;
            text-transform: uppercase;
            letter-spacing: 0.14em;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 8px;
            font-weight: 700;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .sidebar-nav .nav-item {
            display: block;
            height: 44px;
            line-height: 44px;
            padding: 0 20px;
            margin: 0 8px;
            border-radius: var(--radius-btn);
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            font-weight: 500;
            text-decoration: none;
            transition: background var(--transition), color var(--transition), transform var(--transition);
            border-left: 3px solid transparent;
        }

        .sidebar-nav .nav-item:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateX(2px);
        }

        .sidebar-nav .nav-item.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
            border-left-color: var(--gold);
            font-weight: 700;
        }

        .sidebar-contact {
            padding: 16px 20px 0;
            margin: 0 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .sidebar-contact-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .sidebar-contact-item svg {
            width: 14px;
            height: 14px;
            fill: var(--gold);
            flex-shrink: 0;
        }

        .sidebar-contact-item a {
            color: rgba(255, 255, 255, 0.65);
            text-decoration: none;
        }

        .sidebar-contact-item a:hover {
            color: var(--gold);
        }

        /* ===== 移动端顶部栏 ===== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: var(--primary);
            z-index: 200;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }

        .mobile-logo {
            font-family: var(--font-serif);
            font-size: 17px;
            font-weight: 800;
            color: #fff;
            text-decoration: none;
        }

        .mobile-hamburger {
            width: 40px;
            height: 40px;
            background: transparent;
            border-radius: 8px;
            cursor: pointer;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            transition: background var(--transition);
        }

        .mobile-hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .mobile-hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }

        .mobile-hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .mobile-hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .mobile-hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 300;
            opacity: 0;
            transition: opacity var(--transition);
        }

        .drawer-overlay.show {
            opacity: 1;
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 280px;
            height: 100vh;
            background: var(--primary);
            z-index: 301;
            transform: translateX(-100%);
            transition: transform var(--transition);
            padding: 28px 16px;
            overflow-y: auto;
        }

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

        .drawer-logo {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 4px;
            padding: 0 8px;
        }

        .drawer-sub {
            font-size: 11px;
            color: var(--gold);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 24px;
            padding: 0 8px;
        }

        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .drawer-nav .nav-item {
            display: block;
            height: 44px;
            line-height: 44px;
            padding: 0 16px;
            border-radius: var(--radius-btn);
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            text-decoration: none;
            border-left: 3px solid transparent;
            transition: background var(--transition), color var(--transition);
        }

        .drawer-nav .nav-item:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .drawer-nav .nav-item.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
            border-left-color: var(--gold);
            font-weight: 700;
        }

        .drawer-contact {
            margin-top: 28px;
            padding: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
        }

        .drawer-contact a {
            color: var(--gold);
            text-decoration: none;
        }

        /* ===== 主内容区 ===== */
        .main-content {
            margin-left: 240px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ===== 页头区 ===== */
        .page-hero {
            position: relative;
            padding: 80px 0 64px;
            background: linear-gradient(135deg, rgba(31, 64, 52, 0.92), rgba(46, 91, 74, 0.82)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            color: #fff;
        }

        .page-hero .breadcrumb {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 28px;
            letter-spacing: 0.02em;
        }

        .page-hero .breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
            text-decoration: none;
            transition: color var(--transition);
        }

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

        .page-hero .breadcrumb .sep {
            margin: 0 10px;
            color: rgba(255, 255, 255, 0.4);
        }

        .page-hero h1 {
            font-family: var(--font-serif);
            font-size: 42px;
            font-weight: 800;
            letter-spacing: 0.02em;
            line-height: 1.2;
            margin-bottom: 20px;
            max-width: 720px;
            position: relative;
            padding-bottom: 20px;
        }

        .page-hero h1::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 64px;
            height: 4px;
            background: var(--gold);
            border-radius: 2px;
        }

        .page-hero .lead {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            margin-bottom: 0;
        }

        /* ===== 图文主题段 ===== */
        .feature-block {
            padding: 96px 0;
            background: var(--bg);
        }

        .feature-block.alt {
            background: var(--bg-alt);
        }

        .feature-block .feature-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }

        .feature-block.reverse .feature-grid {
            direction: rtl;
        }

        .feature-block.reverse .feature-grid>* {
            direction: ltr;
        }

        .feature-media {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            line-height: 0;
        }

        .feature-media img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .feature-media .media-tag {
            position: absolute;
            top: 20px;
            left: 20px;
            background: var(--accent);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-tag);
            letter-spacing: 0.03em;
            z-index: 2;
        }

        .feature-content .section-tag {
            display: inline-block;
            background: var(--accent-light);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-tag);
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .feature-content h2 {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: 0.02em;
            color: var(--text);
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 16px;
        }

        .feature-content h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 44px;
            height: 3px;
            background: var(--gold);
            border-radius: 2px;
        }

        .feature-content p {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-light);
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }

        .feature-content .season-list {
            list-style: none;
            margin: 24px 0 0;
            padding: 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px 24px;
        }

        .feature-content .season-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            color: var(--text);
            line-height: 1.5;
        }

        .feature-content .season-list li::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--gold);
            margin-top: 7px;
            flex-shrink: 0;
        }

        /* ===== 核心内容网格 ===== */
        .card-grid-section {
            padding: 96px 0;
            background: var(--bg);
        }

        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-header .section-tag {
            display: inline-block;
            background: var(--accent-light);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-tag);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .section-header h2 {
            font-family: var(--font-serif);
            font-size: 34px;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--text);
            margin-bottom: 12px;
        }

        .section-header .sub {
            font-size: 16px;
            color: var(--text-light);
            max-width: 520px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        .content-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
            border-color: #D5CCBC;
        }

        .content-card .card-media {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg-alt);
        }

        .content-card .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .content-card:hover .card-media img {
            transform: scale(1.05);
        }

        .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            letter-spacing: 0.02em;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }

        .card-body {
            padding: 24px 24px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .card-body h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text);
            margin-bottom: 10px;
            letter-spacing: 0.01em;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-body p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-light);
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border);
            padding-top: 14px;
            font-size: 13px;
            color: var(--text-light);
        }

        .card-meta .read-link {
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition), color var(--transition);
        }

        .card-meta .read-link:hover {
            color: var(--accent);
            gap: 8px;
        }

        .card-meta .read-link svg {
            width: 14px;
            height: 14px;
            fill: none;
            stroke: currentColor;
            stroke-width: 2;
        }

        /* ===== 统计指标区 ===== */
        .stats-section {
            background: var(--dark);
            padding: 80px 0;
            color: #fff;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 48px;
            text-align: center;
            margin-bottom: 56px;
        }

        .stats-item .stat-num {
            font-family: var(--font-serif);
            font-size: 56px;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.1;
            margin-bottom: 8px;
            letter-spacing: 0.01em;
        }

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

        .stats-item .stat-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.6;
        }

        .stats-quote {
            max-width: 680px;
            margin: 0 auto;
            text-align: center;
            padding: 40px 48px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            position: relative;
        }

        .stats-quote .quote-mark {
            font-family: var(--font-serif);
            font-size: 64px;
            line-height: 1;
            color: var(--gold);
            opacity: 0.6;
            margin-bottom: -12px;
            display: block;
        }

        .stats-quote p {
            font-family: var(--font-serif);
            font-size: 17px;
            line-height: 1.8;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .stats-quote .quote-author {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 96px 0;
            background: var(--bg-alt);
        }

        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--card-shadow);
            margin-bottom: 16px;
            overflow: hidden;
            transition: box-shadow var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--card-shadow-hover);
        }

        .faq-item.is-open {
            border-left: 4px solid var(--primary);
            box-shadow: var(--card-shadow-hover);
        }

        .faq-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            background: none;
            width: 100%;
            text-align: left;
            transition: background var(--transition);
            line-height: 1.5;
        }

        .faq-title:hover {
            background: #FAF8F3;
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--primary);
            transition: transform 0.25s ease, background var(--transition);
            flex-shrink: 0;
        }

        .faq-item.is-open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.25s ease;
        }

        .faq-content-inner {
            padding: 0 24px 20px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-light);
            border-top: 1px solid transparent;
        }

        .faq-item.is-open .faq-content-inner {
            border-top-color: var(--border);
            padding-top: 16px;
        }

        /* ===== CTA区 ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(203, 166, 90, 0.12);
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .cta-text h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .cta-text p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            max-width: 460px;
        }

        .cta-form {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-card);
            padding: 32px;
            backdrop-filter: blur(4px);
        }

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

        .cta-form input[type="email"] {
            flex: 1;
            min-width: 160px;
            height: 48px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.95);
            padding: 0 16px;
            font-size: 14px;
            color: var(--text);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .cta-form input[type="email"]:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(203, 166, 90, 0.2);
        }

        .cta-form .form-note {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 12px;
            line-height: 1.5;
        }

        .cta-form .form-success {
            display: none;
            padding: 14px 0;
            font-size: 15px;
            color: #9CD4B0;
            text-align: center;
            border: 1px solid rgba(156, 212, 176, 0.4);
            background: rgba(156, 212, 176, 0.1);
            border-radius: var(--radius-btn);
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.02em;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(46, 91, 74, 0.2);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 6px 20px rgba(46, 91, 74, 0.3);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(46, 91, 74, 0.2);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 12px rgba(181, 83, 61, 0.2);
        }

        .btn-accent:hover {
            background: #9A4430;
            color: #fff;
            box-shadow: 0 6px 20px rgba(181, 83, 61, 0.3);
            transform: translateY(-1px);
        }

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

        .btn-outline:hover {
            border-color: var(--gold);
            color: var(--gold);
            transform: translateY(-1px);
        }

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

        .btn-outline-dark:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(46, 91, 74, 0.25);
        }

        .btn-sm {
            height: 40px;
            padding: 0 20px;
            font-size: 14px;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 0;
            margin-top: auto;
        }

        .footer .grid-container {
            max-width: 1280px;
        }

        .footer-brand-name {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
            max-width: 320px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
            margin-bottom: 20px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background var(--transition), transform var(--transition);
        }

        .footer-social a:hover {
            background: var(--gold);
            transform: translateY(-2px);
        }

        .footer-social svg {
            width: 18px;
            height: 18px;
            fill: #fff;
        }

        .footer-title {
            font-family: var(--font-serif);
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            text-decoration: none;
            transition: color var(--transition), padding-left var(--transition);
        }

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

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

        .footer-contact li {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
            line-height: 1.5;
        }

        .footer-contact svg {
            width: 16px;
            height: 16px;
            fill: var(--gold);
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 48px;
            padding: 20px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            margin: 0;
        }

        /* ===== 响应式布局 ===== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .feature-block .feature-grid {
                gap: 40px;
            }

            .feature-media img {
                height: 360px;
            }
        }

        @media (max-width: 767px) {
            .sidebar {
                display: none;
            }

            .mobile-topbar {
                display: flex;
            }

            .drawer-overlay.show,
            .drawer-overlay {
                display: block;
            }

            .mobile-drawer {
                display: block;
            }

            .main-content {
                margin-left: 0;
                padding-top: 56px;
            }

            .page-hero {
                padding: 48px 0 40px;
            }

            .page-hero h1 {
                font-size: 32px;
            }

            .page-hero .lead {
                font-size: 15px;
            }

            .feature-block {
                padding: 64px 0;
            }

            .feature-block .feature-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .feature-block.reverse .feature-grid {
                direction: ltr;
            }

            .feature-media img {
                height: 260px;
            }

            .feature-content h2 {
                font-size: 24px;
            }

            .feature-content .season-list {
                grid-template-columns: 1fr;
            }

            .card-grid-section {
                padding: 64px 0;
            }

            .section-header h2 {
                font-size: 26px;
            }

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

            .stats-section {
                padding: 56px 0;
            }

            .stats-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                margin-bottom: 40px;
            }

            .stats-item .stat-num {
                font-size: 40px;
            }

            .stats-quote {
                padding: 28px 20px;
            }

            .stats-quote p {
                font-size: 15px;
            }

            .faq-section {
                padding: 64px 0;
            }

            .faq-item {
                margin-bottom: 12px;
            }

            .faq-title {
                padding: 16px 18px;
                font-size: 15px;
            }

            .faq-content-inner {
                padding: 0 18px 16px;
            }

            .cta-section {
                padding: 56px 0;
            }

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

            .cta-text h2 {
                font-size: 24px;
            }

            .cta-form {
                padding: 24px;
            }

            .cta-form form {
                flex-direction: column;
            }

            .cta-form input[type="email"] {
                width: 100%;
            }

            .cta-form .btn {
                width: 100%;
            }

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

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .page-hero h1 {
                font-size: 28px;
            }

            .page-hero .lead {
                font-size: 14px;
            }

            .feature-content .season-list {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 焦点可访问性 ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }

/* roulang page: article */
:root {
    --c-primary: #2E5B4A;
    --c-primary-dark: #1E4235;
    --c-accent: #B5533D;
    --c-gold: #CBA65A;
    --c-bg: #F7F4EE;
    --c-bg-alt: #EDE8DF;
    --c-dark: #223330;
    --c-text: #2B2B2B;
    --c-text-light: #6B6B6B;
    --c-border: #E5DFD2;
    --radius-card: 14px;
    --radius-btn: 8px;
    --radius-tag: 999px;
    --shadow-card: 0 4px 16px rgba(34,51,48,0.06);
    --shadow-hover: 0 12px 32px rgba(34,51,48,0.14);
    --shadow-btn: 0 6px 20px rgba(46,91,74,0.3);
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --font-serif: 'Noto Serif SC', 'Source Han Serif SC', Georgia, serif;
    --font-sans: 'Noto Sans SC', 'Source Han 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(--font-sans);
    font-size: 16px;
    line-height: 1.75;
    letter-spacing: 0.01em;
    color: var(--c-text);
    background: var(--c-bg);
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.2s ease; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-serif); letter-spacing: 0.02em; line-height: 1.3; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 28px;
    border-radius: var(--radius-btn);
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 700;
    border: 1px solid transparent;
    transition: all var(--transition);
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
}
.btn-primary { background: var(--c-primary); color: #fff; }
.btn-primary:hover { background: var(--c-primary-dark); box-shadow: var(--shadow-btn); transform: translateY(-2px); }
.btn-accent { background: var(--c-accent); color: #fff; }
.btn-accent:hover { background: #99422F; box-shadow: 0 6px 20px rgba(181,83,61,0.3); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--c-primary); border: 1px solid var(--c-primary); }
.btn-outline:hover { background: rgba(46,91,74,0.08); border-color: var(--c-primary); transform: translateY(-2px); }
.btn-block { width: 100%; }
.tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 14px;
    border-radius: var(--radius-tag);
    font-size: 12px;
    font-weight: 700;
    background: rgba(181,83,61,0.12);
    color: var(--c-accent);
    letter-spacing: 0.03em;
}
.tag-outline {
    background: transparent;
    border: 1px solid var(--c-border);
    color: var(--c-text-light);
    font-weight: 500;
    transition: all var(--transition);
}
.tag-outline:hover { border-color: var(--c-primary); color: var(--c-primary); }

/* ===== Sidebar ===== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 240px;
    height: 100vh;
    background: var(--c-primary);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    padding: 28px 0 20px;
}
.sidebar-brand {
    padding: 0 24px 32px;
    border-bottom: 1px solid rgba(255,255,255,0.12);
    margin-bottom: 24px;
}
.brand-name {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 900;
    color: #fff;
    letter-spacing: 0.04em;
    line-height: 1.3;
}
.brand-en {
    font-size: 11px;
    color: var(--c-gold);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-top: 4px;
    font-weight: 500;
}
.sidebar-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 0 12px;
}
.nav-item {
    display: flex;
    align-items: center;
    height: 44px;
    padding: 0 16px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    color: rgba(255,255,255,0.7);
    transition: all var(--transition);
}
.nav-item:hover { background: rgba(255,255,255,0.08); color: #fff; padding-left: 20px; }
.nav-item.active { background: rgba(255,255,255,0.1); color: #fff; font-weight: 700; box-shadow: inset 4px 0 0 var(--c-gold); }
.sidebar-contact {
    padding: 20px 24px 8px;
    border-top: 1px solid rgba(255,255,255,0.12);
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    line-height: 1.9;
}
.sidebar-contact svg { width: 14px; margin-right: 6px; vertical-align: -2px; }

/* ===== Mobile Header ===== */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: var(--c-primary);
    z-index: 1100;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}
.mobile-logo { font-family: var(--font-serif); color: #fff; font-size: 20px; font-weight: 900; }
.mobile-menu-btn {
    width: 42px;
    height: 42px;
    background: transparent;
    border: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    border-radius: 8px;
}
.mobile-menu-btn span { display: block; width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: all var(--transition); }
.mobile-menu-btn.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.55);
    z-index: 1050;
    opacity: 0;
    transition: opacity var(--transition);
    pointer-events: none;
}
.mobile-overlay.open { opacity: 1; pointer-events: auto; }
.mobile-drawer {
    position: fixed;
    top: 0; left: -300px;
    width: 280px;
    height: 100vh;
    background: var(--c-primary);
    z-index: 1150;
    padding: 24px 0;
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
}
.mobile-drawer.open { left: 0; }
.drawer-brand { padding: 0 24px 24px; border-bottom: 1px solid rgba(255,255,255,0.12); margin-bottom: 16px; }
.drawer-brand-name { font-family: var(--font-serif); font-size: 20px; color: #fff; font-weight: 900; }
.drawer-brand-en { font-size: 11px; color: var(--c-gold); letter-spacing: 0.15em; text-transform: uppercase; }
.drawer-nav { flex: 1; padding: 0 12px; display: flex; flex-direction: column; gap: 4px; }
.drawer-contact { padding: 16px 24px; border-top: 1px solid rgba(255,255,255,0.12); font-size: 13px; color: rgba(255,255,255,0.6); line-height: 1.9; }

/* ===== Main Wrapper ===== */
.main-wrapper { margin-left: 240px; min-height: 100vh; display: flex; flex-direction: column; }
.main-wrapper > main { flex: 1; }

/* ===== Article Main ===== */
.article-main {
    padding: 48px 0 64px;
    background: var(--c-bg);
}
.article-container {
    max-width: 780px;
    margin: 0 auto;
    padding: 0 24px;
}
.article-header { max-width: 780px; margin: 0 auto 48px; padding: 0 24px; }
.article-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--c-text-light);
    margin-bottom: 24px;
}
.article-breadcrumb a { color: var(--c-text-light); }
.article-breadcrumb a:hover { color: var(--c-primary); }
.article-breadcrumb .current { color: var(--c-text); font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 260px; }
.article-cat-badge { margin-bottom: 16px; }
.article-title {
    font-size: 36px;
    font-weight: 900;
    line-height: 1.25;
    color: var(--c-text);
    margin-bottom: 20px;
    word-break: break-word;
}
.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 14px;
    color: var(--c-text-light);
}
.meta-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--c-border); }

/* ===== Article Body ===== */
.article-body {
    font-size: 16px;
    line-height: 1.8;
    color: var(--c-text);
}
.article-body p { margin-bottom: 24px; line-height: 1.8; }
.article-body h2 {
    font-family: var(--font-serif);
    font-size: 26px;
    font-weight: 700;
    margin: 40px 0 20px;
    color: var(--c-primary);
    letter-spacing: 0.02em;
}
.article-body h3 {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 700;
    margin: 32px 0 16px;
    color: var(--c-text);
}
.article-body h4 { font-size: 18px; font-weight: 700; margin: 24px 0 14px; }
.article-body a { color: var(--c-primary); text-decoration: underline; text-underline-offset: 3px; }
.article-body a:hover { color: var(--c-accent); }
.article-body blockquote {
    border-left: 4px solid var(--c-primary);
    background: var(--c-bg-alt);
    border-radius: 0 8px 8px 0;
    padding: 20px 24px;
    margin: 28px 0;
    font-style: italic;
    color: var(--c-text);
}
.article-body blockquote p { margin-bottom: 0; }
.article-body ul, .article-body ol { margin: 24px 0; padding: 0; }
.article-body ul li { position: relative; padding-left: 22px; margin-bottom: 10px; line-height: 1.8; }
.article-body ul li::before { content: ''; position: absolute; left: 2px; top: 11px; width: 6px; height: 6px; border-radius: 50%; background: var(--c-primary); }
.article-body ol { counter-reset: article-list; }
.article-body ol li { position: relative; padding-left: 32px; margin-bottom: 10px; counter-increment: article-list; line-height: 1.8; }
.article-body ol li::before { content: counter(article-list) '.'; position: absolute; left: 0; top: 0; font-weight: 700; color: var(--c-primary); font-family: var(--font-serif); }
.article-body img { border-radius: 12px; border: 1px solid var(--c-border); margin: 28px 0; height: auto; }
.article-body table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14px; }
.article-body table th, .article-body table td { border: 1px solid var(--c-border); padding: 12px 16px; text-align: left; line-height: 1.6; }
.article-body table th { background: var(--c-bg-alt); font-weight: 700; font-family: var(--font-serif); }
.article-body table tr:hover td { background: rgba(46,91,74,0.04); }
.article-body hr { border: none; border-top: 1px solid var(--c-border); margin: 36px 0; }

/* ===== Article Tags ===== */
.article-tags { margin: 48px 0 0; }
.article-tags .tag { margin-right: 8px; margin-bottom: 8px; }

/* ===== Not Found ===== */
.article-not-found {
    max-width: 600px;
    margin: 80px auto;
    text-align: center;
    padding: 56px 32px;
    background: #fff;
    border-radius: var(--radius-card);
    border: 1px solid var(--c-border);
    box-shadow: var(--shadow-card);
}
.not-found-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 24px;
    border-radius: 50%;
    background: rgba(181,83,61,0.1);
    color: var(--c-accent);
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
}
.article-not-found h2 { font-size: 28px; margin-bottom: 12px; color: var(--c-text); }
.article-not-found p { color: var(--c-text-light); margin-bottom: 28px; }

/* ===== Related Posts ===== */
.related-posts {
    margin-top: 72px;
    padding: 0 24px;
}
.related-posts .section-title {
    font-size: 28px;
    margin-bottom: 32px;
    position: relative;
    padding-bottom: 14px;
}
.related-posts .section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 48px;
    height: 3px;
    background: var(--c-gold);
    border-radius: 2px;
}
.related-card {
    background: #fff;
    border-radius: var(--radius-card);
    overflow: hidden;
    border: 1px solid rgba(229,223,210,0.6);
    box-shadow: var(--shadow-card);
    transition: transform var(--transition), box-shadow var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.related-card .card-img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    background: rgba(46,91,74,0.1);
}
.related-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.related-card .card-cat { font-size: 12px; color: var(--c-accent); font-weight: 700; margin-bottom: 8px; letter-spacing: 0.03em; }
.related-card h3 {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 16px;
    color: var(--c-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--transition);
}
.related-card:hover h3 { color: var(--c-primary); }
.related-card .card-meta { margin-top: auto; display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: var(--c-text-light); }
.related-card .read-link { color: var(--c-primary); font-weight: 500; display: inline-flex; align-items: center; gap: 4px; }
.related-card .read-link i { transition: transform var(--transition); }
.related-card:hover .read-link i { transform: translateX(4px); }

/* ===== Back Entry ===== */
.article-back { margin: 56px 0 0; text-align: center; }

/* ===== CTA Section ===== */
.article-cta {
    margin-top: 80px;
    background: var(--c-dark);
    border-radius: var(--radius-card);
    padding: 48px 48px;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.article-cta::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(203,166,90,0.08);
}
.article-cta h2 { font-size: 26px; margin-bottom: 12px; color: #fff; }
.article-cta p { color: rgba(255,255,255,0.8); font-size: 15px; line-height: 1.7; }
.cta-form {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}
.cta-form input {
    flex: 1;
    height: 48px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-btn);
    padding: 0 16px;
    background: rgba(255,255,255,0.08);
    color: #fff;
    font-size: 14px;
    outline: none;
    transition: all var(--transition);
}
.cta-form input::placeholder { color: rgba(255,255,255,0.5); }
.cta-form input:focus { border-color: var(--c-gold); box-shadow: 0 0 0 2px rgba(203,166,90,0.25); background: rgba(255,255,255,0.12); }
.cta-form .btn { flex-shrink: 0; }
.cta-alt { margin-top: 16px; }

/* ===== Footer ===== */
.footer {
    background: var(--c-dark);
    color: rgba(255,255,255,0.75);
    padding: 64px 0 28px;
    margin-top: auto;
}
.footer-brand-name {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 900;
    color: #fff;
    margin-bottom: 12px;
    letter-spacing: 0.03em;
}
.footer-brand-desc { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.65); max-width: 340px; margin-bottom: 20px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    background: rgba(255,255,255,0.07);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.7);
    transition: all var(--transition);
}
.footer-social a:hover { background: rgba(203,166,90,0.2); color: var(--c-gold); transform: translateY(-2px); }
.footer-social svg { width: 18px; height: 18px; fill: currentColor; }
.footer h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 18px; }
.footer ul li { margin-bottom: 10px; }
.footer ul li a { font-size: 14px; color: rgba(255,255,255,0.6); transition: all var(--transition); }
.footer ul li a:hover { color: var(--c-gold); padding-left: 4px; }
.footer-contact p { font-size: 14px; line-height: 2; color: rgba(255,255,255,0.6); }
.footer-bottom {
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    letter-spacing: 0.03em;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .article-header { padding: 0 20px; }
    .article-container { padding: 0 20px; }
}
@media (max-width: 768px) {
    .sidebar { display: none; }
    .main-wrapper { margin-left: 0; }
    .mobile-header { display: flex; }
    .mobile-drawer { display: flex; }
    .article-main { padding-top: 32px; }
    .article-title { font-size: 30px; }
    .article-header { margin-bottom: 36px; }
    .related-posts .cell { margin-bottom: 20px; }
    .article-cta { padding: 32px 24px; }
    .cta-form { flex-direction: column; }
    .cta-form .btn { width: 100%; }
    .cta-alt .btn { width: 100%; }
}
@media (max-width: 640px) {
    .article-main { padding: 24px 0 48px; }
    .article-title { font-size: 26px; }
    .article-meta { font-size: 13px; gap: 6px; }
    .article-body { font-size: 16px; line-height: 1.75; }
    .article-body h2 { font-size: 22px; margin: 32px 0 16px; }
    .article-body h3 { font-size: 19px; margin: 26px 0 14px; }
    .article-body blockquote { padding: 16px 18px; }
    .related-posts .section-title { font-size: 24px; }
    .article-cta h2 { font-size: 22px; }
    .footer { padding: 44px 0 20px; }
    .footer .cell { margin-bottom: 20px; }
    .footer-bottom { margin-top: 28px; }
}
@media (max-width: 520px) {
    .article-breadcrumb { font-size: 12px; gap: 5px; }
    .article-breadcrumb .current { max-width: 160px; }
    .article-title { font-size: 24px; }
    .related-card .card-img { height: 140px; }
    .article-body img { margin: 20px 0; }
}

/* roulang page: category3 */
:root {
            --primary: #2E5B4A;
            --primary-dark: #1F4034;
            --primary-light: #3A705C;
            --accent: #B5533D;
            --accent-light: #C96B55;
            --gold: #CBA65A;
            --gold-light: #DFC48A;
            --bg: #F7F4EE;
            --bg-secondary: #EDE8DF;
            --bg-deep: #223330;
            --text: #2B2B2B;
            --text-muted: #6B6B6B;
            --border: #E5DFD2;
            --white: #FFFFFF;
            --radius-card: 14px;
            --radius-btn: 8px;
            --radius-badge: 999px;
            --shadow-card: 0 4px 16px rgba(34,51,48,0.06);
            --shadow-hover: 0 12px 32px rgba(34,51,48,0.14);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background: var(--bg);
            color: var(--text);
            font-size: 16px;
            line-height: 1.75;
            letter-spacing: 0.01em;
            -webkit-font-smoothing: antialiased;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
            letter-spacing: 0.02em;
            color: var(--text);
            line-height: 1.3;
        }

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

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

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

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 左侧导航 ===== */
        .app-shell {
            display: flex;
            min-height: 100vh;
        }

        .sidebar {
            width: 240px;
            background: var(--primary);
            position: fixed;
            top: 0;
            left: 0;
            height: 100vh;
            z-index: 1000;
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease;
        }

        .sidebar-logo {
            padding: 32px 24px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.13);
        }

        .sidebar-logo a {
            display: block;
            color: var(--white);
            font-family: 'Noto Serif SC', serif;
            font-weight: 700;
            font-size: 26px;
            letter-spacing: 0.04em;
            line-height: 1.35;
        }

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

        .sidebar-logo .logo-en {
            display: block;
            color: var(--gold);
            font-size: 12px;
            font-weight: 400;
            letter-spacing: 0.18em;
            text-transform: uppercase;
            margin-top: 6px;
            font-family: 'Noto Sans SC', sans-serif;
        }

        .sidebar-nav {
            padding: 20px 12px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .nav-item {
            display: flex;
            align-items: center;
            height: 44px;
            padding: 0 20px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            font-weight: 500;
            border-radius: 8px;
            border-left: 4px solid transparent;
            transition: var(--transition);
            position: relative;
        }

        .nav-item:hover {
            color: var(--white);
            background: rgba(255, 255, 255, 0.08);
            transform: translateX(4px);
        }

        .nav-item.active {
            color: var(--white);
            background: rgba(255, 255, 255, 0.1);
            border-left-color: var(--gold);
            font-weight: 600;
        }

        .sidebar-contact {
            padding: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.13);
        }

        .sidebar-contact-inner {
            background: rgba(255, 255, 255, 0.06);
            border-radius: 12px;
            padding: 16px;
        }

        .sidebar-contact-inner p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 13px;
            line-height: 1.6;
            margin-bottom: 4px;
        }

        .sidebar-contact-inner p:last-child {
            margin-bottom: 0;
            color: var(--gold);
            font-size: 12px;
            letter-spacing: 0.05em;
        }

        /* 主内容 */
        .main-content {
            margin-left: 240px;
            flex: 1;
            min-width: 0;
        }

        /* ===== 移动端导航 ===== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 56px;
            background: var(--primary);
            z-index: 1100;
            padding: 0 16px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
        }

        .mobile-header .mobile-logo {
            color: var(--white);
            font-family: 'Noto Serif SC', serif;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.03em;
        }

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

        .hamburger-btn {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 10px;
            border-radius: 8px;
            transition: var(--transition);
        }

        .hamburger-btn:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        .hamburger-btn span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--white);
            border-radius: 2px;
            position: relative;
            transition: var(--transition);
        }

        .hamburger-btn span::before,
        .hamburger-btn span::after {
            content: "";
            position: absolute;
            width: 20px;
            height: 2px;
            background: var(--white);
            border-radius: 2px;
            left: 0;
            transition: var(--transition);
        }

        .hamburger-btn span::before {
            top: -6px;
        }

        .hamburger-btn span::after {
            top: 6px;
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1050;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .drawer-overlay.open {
            opacity: 1;
        }

        /* ===== Hero 区 ===== */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 55%, rgba(46, 91, 74, 0.86) 100%), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            background-blend-mode: multiply;
            color: var(--white);
            padding: 88px 0 64px;
            margin-bottom: 0;
            position: relative;
            overflow: hidden;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--bg) 0%, transparent 100%);
        }

        .page-hero-inner {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 24px;
            letter-spacing: 0.02em;
        }

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

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

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
        }

        .breadcrumb .current {
            color: var(--gold);
            font-weight: 500;
        }

        .page-hero h1 {
            font-size: 40px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
            line-height: 1.25;
        }

        .page-hero h1 .highlight {
            color: var(--gold);
            position: relative;
        }

        .page-hero .hero-desc {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            max-width: 640px;
            margin-bottom: 32px;
            font-weight: 400;
        }

        .hero-data-row {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-top: 28px;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.14);
        }

        .hero-data-item {
            display: flex;
            flex-direction: column;
        }

        .hero-data-item .num {
            font-family: 'Noto Serif SC', serif;
            font-size: 30px;
            font-weight: 700;
            color: var(--gold);
            line-height: 1.2;
        }

        .hero-data-item .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            letter-spacing: 0.06em;
            margin-top: 4px;
        }

        /* ===== 区块通用 ===== */
        .section-padding {
            padding: 80px 0;
        }

        .section-title-wrap {
            margin-bottom: 44px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(181, 83, 61, 0.1);
            padding: 5px 14px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.05em;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 12px;
            color: var(--text);
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 680px;
        }

        .bg-secondary-light {
            background: var(--bg-secondary);
        }

        /* ===== FAQ 手风琴 ===== */
        .faq-wrapper {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            margin-bottom: 20px;
            transition: var(--transition);
        }

        .faq-card:last-child {
            margin-bottom: 0;
        }

        .faq-card:hover {
            box-shadow: var(--shadow-hover);
        }

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

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 32px;
            background: var(--white);
            border: none;
            cursor: pointer;
            text-align: left;
            font-size: 17px;
            font-weight: 600;
            font-family: 'Noto Serif SC', serif;
            color: var(--text);
            transition: var(--transition);
            line-height: 1.5;
        }

        .faq-question:hover {
            background: #FBF9F5;
            color: var(--primary);
        }

        .faq-question .plus-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(46, 91, 74, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-left: 16px;
            font-size: 20px;
            font-weight: 400;
            color: var(--primary);
            transition: var(--transition);
            line-height: 1;
            font-family: sans-serif;
        }

        .faq-item.active .faq-question {
            color: var(--primary);
            background: #FBF9F5;
        }

        .faq-item.active .faq-question .plus-icon {
            background: var(--primary);
            color: var(--white);
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 32px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.85;
            border-left: 4px solid transparent;
        }

        .faq-item.active .faq-answer {
            max-height: 600px;
            padding: 0 32px 24px;
            border-left-color: var(--primary);
            background: #FBF9F5;
        }

        /* ===== 图解步骤区 ===== */
        .step-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .step-item {
            background: var(--white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 28px 24px;
            position: relative;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }

        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .step-num {
            font-family: 'Noto Serif SC', serif;
            font-size: 42px;
            font-weight: 700;
            color: var(--gold);
            line-height: 1;
            margin-bottom: 16px;
        }

        .step-item h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .info-card {
            background: var(--white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }

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

        .info-card .card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .info-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.5s ease;
        }

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

        .info-card .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .info-card .badge {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(181, 83, 61, 0.1);
            padding: 3px 10px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.06em;
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .info-card h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 12px;
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .info-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .info-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-muted);
        }

        .info-card .card-link {
            font-weight: 600;
            color: var(--primary);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

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

        /* ===== CTA 区块 ===== */
        .cta-section {
            background: var(--bg-deep);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at right bottom, rgba(203, 166, 90, 0.18) 0%, transparent 50%);
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            color: var(--white);
            font-size: 34px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 36px;
        }

        .cta-btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: var(--white);
            font-size: 15px;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            border: 2px solid var(--primary);
            cursor: pointer;
            transition: var(--transition);
            letter-spacing: 0.03em;
            font-family: inherit;
            line-height: 1.4;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(46, 91, 74, 0.3);
        }

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

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--white);
            font-size: 15px;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            border: 2px solid rgba(255, 255, 255, 0.65);
            cursor: pointer;
            transition: var(--transition);
            letter-spacing: 0.03em;
            font-family: inherit;
            line-height: 1.4;
        }

        .btn-outline-light:hover {
            border-color: var(--gold);
            color: var(--gold);
            transform: translateY(-2px);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: var(--white);
            font-size: 15px;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            border: 2px solid var(--accent);
            cursor: pointer;
            transition: var(--transition);
            letter-spacing: 0.03em;
            font-family: inherit;
            line-height: 1.4;
        }

        .btn-accent:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(181, 83, 61, 0.35);
        }

        /* ===== 高亮内容区 ===== */
        .feature-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .feature-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-card);
        }

        .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.6s ease;
        }

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

        .feature-text .section-tag {
            margin-bottom: 16px;
        }

        .feature-text h2 {
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.4;
        }

        .feature-text p {
            color: var(--text-muted);
            font-size: 16px;
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .feature-text p:last-child {
            margin-bottom: 0;
        }

        .feature-list {
            list-style: none;
            margin-top: 20px;
            padding: 0;
        }

        .feature-list li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 12px;
            font-size: 15px;
            color: var(--text);
            line-height: 1.6;
        }

        .feature-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 8px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
        }

        /* ===== 数据条 ===== */
        .data-strip {
            background: var(--bg-deep);
            border-radius: var(--radius-card);
            padding: 48px 48px;
            display: flex;
            justify-content: space-between;
            gap: 32px;
            margin-top: 48px;
        }

        .data-item {
            text-align: center;
            flex: 1;
        }

        .data-item .data-num {
            font-family: 'Noto Serif SC', serif;
            font-size: 38px;
            font-weight: 700;
            color: var(--gold);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .data-item .data-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.72);
            letter-spacing: 0.05em;
        }

        /* ===== 列表式卡片 ===== */
        .row-cards {
            background: var(--white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .row-card-item {
            display: flex;
            align-items: center;
            padding: 28px 32px;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
            gap: 20px;
        }

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

        .row-card-item:hover {
            background: #F0EBE0;
        }

        .row-card-item:hover .row-arrow {
            transform: translateX(6px);
            color: var(--primary);
        }

        .row-card-icon {
            width: 48px;
            height: 48px;
            flex-shrink: 0;
            border-radius: 12px;
            background: rgba(46, 91, 74, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
        }

        .row-card-content {
            flex: 1;
            min-width: 0;
        }

        .row-card-content h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 4px;
            transition: var(--transition);
            font-family: 'Noto Serif SC', serif;
        }

        .row-card-item:hover .row-card-content h3 {
            color: var(--primary);
        }

        .row-card-content p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
            overflow: hidden;
            white-space: nowrap;
            text-overflow: ellipsis;
        }

        .row-arrow {
            font-size: 22px;
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 28px;
        }

        .footer .grid-container {
            max-width: 1280px;
        }

        .footer-brand-name {
            font-family: 'Noto Serif SC', serif;
            font-size: 24px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }

        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
            margin-bottom: 20px;
        }

        .footer-heading {
            font-size: 15px;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

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

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

        .footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
        }

        .footer ul li a:hover {
            color: var(--gold);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            margin-top: 40px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-bottom a:hover {
            color: var(--gold);
        }

        /* ===== 移动端 ===== */
        .mobile-only {
            display: none;
        }

        /* ===== 响应式 ===== */
        @media screen and (max-width: 1024px) {
            .step-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .feature-block {
                gap: 32px;
            }

            .page-hero h1 {
                font-size: 36px;
            }
        }

        @media screen and (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
            }

            .sidebar.open {
                transform: translateX(0);
            }

            .main-content {
                margin-left: 0;
                padding-top: 56px;
            }

            .mobile-header {
                display: flex;
            }

            .mobile-only {
                display: block;
            }

            .drawer-overlay.open {
                display: block;
            }

            .section-padding {
                padding: 56px 0;
            }

            .page-hero {
                padding: 48px 0 48px;
            }

            .page-hero h1 {
                font-size: 30px;
            }

            .page-hero .hero-desc {
                font-size: 15px;
            }

            .hero-data-row {
                gap: 20px;
            }

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

            .faq-question {
                font-size: 15px;
                padding: 20px;
            }

            .faq-answer {
                padding: 0 20px;
            }

            .faq-item.active .faq-answer {
                padding: 0 20px 20px;
            }

            .data-strip {
                flex-direction: column;
                gap: 24px;
                padding: 32px 24px;
            }

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

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

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

            .row-card-item {
                padding: 20px;
            }

            .row-card-content p {
                white-space: normal;
                display: -webkit-box;
                -webkit-line-clamp: 2;
                -webkit-box-orient: vertical;
            }

            .cta-btn-group {
                flex-direction: column;
                align-items: stretch;
            }

            .btn-primary,
            .btn-outline-light,
            .btn-accent {
                width: 100%;
                text-align: center;
            }
        }

        @media screen and (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }

            .page-hero h1 {
                font-size: 26px;
            }

            .hero-data-item .num {
                font-size: 24px;
            }

            .hero-data-row {
                gap: 16px;
            }

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

            .faq-card {
                margin-bottom: 12px;
            }

            .row-card-content h3 {
                font-size: 16px;
            }

            .row-card-content p {
                font-size: 13px;
            }

            .data-item .data-num {
                font-size: 30px;
            }
        }

        /* ===== 工具类 ===== */
        .text-center {
            text-align: center;
        }

        .mt-1 { margin-top: 8px; }
        .mt-2 { margin-top: 16px; }
        .mt-3 { margin-top: 24px; }
        .mt-4 { margin-top: 32px; }
        .mt-5 { margin-top: 48px; }

        .mb-1 { margin-bottom: 8px; }
        .mb-2 { margin-bottom: 16px; }
        .mb-3 { margin-bottom: 24px; }
        .mb-4 { margin-bottom: 32px; }
        .mb-5 { margin-bottom: 48px; }

/* roulang page: category2 */
:root{
    --primary:#2E5B4A;
    --primary-dark:#1E4035;
    --secondary:#B5533D;
    --accent:#CBA65A;
    --bg:#F7F4EE;
    --bg-alt:#EDE8DF;
    --dark:#223330;
    --text:#2B2B2B;
    --text-light:#6B6B6B;
    --border:#E5DFD2;
    --white:#FFFFFF;
    --font-serif:'Noto Serif SC','Source Han Serif SC',serif;
    --font-sans:'Noto Sans SC','Source Han Sans SC',sans-serif;
    --radius-card:14px;
    --radius-btn:8px;
    --shadow-card:0 4px 16px rgba(34,51,48,.06);
    --shadow-hover:0 12px 32px rgba(34,51,48,.14);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:var(--font-sans);
    background:var(--bg);
    color:var(--text);
    font-size:16px;
    line-height:1.7;
    letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:all .25s ease}
ul,ol{list-style:none}
button,input{font-family:inherit;font-size:inherit}
.container{max-width:1280px;margin:0 auto;padding:0 24px}

/* ===== 左侧导航 ===== */
.sidebar{
    position:fixed;left:0;top:0;width:240px;height:100vh;
    background:var(--primary);z-index:50;
    display:flex;flex-direction:column;
    border-right:1px solid rgba(255,255,255,.08);
}
.sidebar-brand{
    padding:32px 24px 20px;
    border-bottom:1px solid rgba(255,255,255,.12);
}
.brand-logo{
    font-family:var(--font-serif);
    font-size:22px;font-weight:900;color:#fff;
    letter-spacing:.02em;display:block;line-height:1.3;
}
.brand-sub{
    display:block;margin-top:6px;
    font-family:var(--font-sans);
    font-size:11px;color:var(--accent);
    letter-spacing:.22em;text-transform:uppercase;
}
.sidebar-nav{padding:20px 12px;flex:1}
.nav-item{
    display:flex;align-items:center;height:44px;
    padding:0 20px;color:rgba(255,255,255,.72);
    font-size:15px;font-weight:500;border-radius:8px;
    margin-bottom:4px;position:relative;
    border-left:4px solid transparent;
    transition:background .25s,color .25s,transform .25s;
}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.08);transform:translateX(2px)}
.nav-item.active{color:#fff;background:rgba(255,255,255,.12);border-left-color:var(--accent);font-weight:700}
.sidebar-contact{
    padding:20px 24px 28px;border-top:1px solid rgba(255,255,255,.12);
    color:rgba(255,255,255,.65);font-size:13px;line-height:1.8;
}
.sidebar-contact strong{display:block;color:rgba(255,255,255,.9);font-size:14px;margin-bottom:2px}

/* ===== 移动端顶部栏 ===== */
.mobile-header{
    display:none;position:fixed;top:0;left:0;right:0;height:56px;
    background:var(--primary);z-index:60;
    align-items:center;justify-content:space-between;
    padding:0 20px;
    box-shadow:0 2px 12px rgba(34,51,48,.3);
}
.mobile-logo{font-family:var(--font-serif);font-size:19px;font-weight:900;color:#fff;letter-spacing:.02em}
.hamburger{
    width:40px;height:40px;background:transparent;border:none;
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
    cursor:pointer;border-radius:6px;
}
.hamburger:hover{background:rgba(255,255,255,.1)}
.hamburger span{display:block;width:20px;height:2px;background:var(--accent);border-radius:2px;transition:transform .25s}
.mobile-drawer{
    position:fixed;top:0;left:0;width:280px;height:100vh;
    background:var(--primary);z-index:70;
    transform:translateX(-100%);transition:transform .3s ease;
    display:flex;flex-direction:column;
    box-shadow:2px 0 24px rgba(0,0,0,.25);
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-brand{padding:28px 24px 20px;border-bottom:1px solid rgba(255,255,255,.12)}
.drawer-brand .brand-logo{font-size:20px}
.drawer-nav{padding:16px 12px;flex:1}
.drawer-contact{padding:20px 24px 28px;border-top:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.65);font-size:13px}
.drawer-overlay{
    position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:65;
    opacity:0;pointer-events:none;transition:opacity .3s;
}
.drawer-overlay.open{opacity:1;pointer-events:auto}

/* ===== 主内容区 ===== */
.main-content{margin-left:240px}

/* ===== 页头区 ===== */
.page-head{
    background:linear-gradient(100deg, rgba(34,51,48,.92) 20%, rgba(46,91,74,.78) 100%),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    padding:96px 0 72px;color:#fff;position:relative;
}
.breadcrumb{
    display:flex;align-items:center;gap:8px;
    font-size:14px;color:rgba(255,255,255,.7);margin-bottom:20px;
}
.breadcrumb a{color:rgba(255,255,255,.85)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:rgba(255,255,255,.4)}
.page-head h1{
    font-family:var(--font-serif);
    font-size:44px;font-weight:900;line-height:1.2;
    letter-spacing:.02em;margin-bottom:18px;
    text-shadow:0 4px 24px rgba(0,0,0,.25);
}
.page-head .lead{
    max-width:720px;font-size:17px;line-height:1.8;
    color:rgba(255,255,255,.88);margin-bottom:32px;
}
.page-head .lead a{color:var(--accent);border-bottom:1px solid rgba(203,166,90,.5)}
.page-head .lead a:hover{border-bottom-color:var(--accent)}

/* ===== 通用区块 ===== */
.section-block{padding:96px 0}
.section-block.alt{background:var(--bg-alt)}
.section-tag{
    display:inline-block;padding:4px 14px;border-radius:999px;
    background:rgba(181,83,61,.12);color:var(--secondary);
    font-size:13px;font-weight:700;letter-spacing:.04em;margin-bottom:16px;
}
.section-title{
    font-family:var(--font-serif);
    font-size:32px;font-weight:900;line-height:1.3;letter-spacing:.02em;
    color:var(--text);margin-bottom:14px;
}
.section-title .accent-bar{color:var(--secondary)}
.section-desc{color:var(--text-light);font-size:16px;line-height:1.8;max-width:640px}

/* ===== 图文介绍区 ===== */
.intro-section{padding:96px 0;background:var(--bg)}
.intro-media{position:relative;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card)}
.intro-media img{width:100%;height:400px;object-fit:cover;transition:transform .5s ease}
.intro-media:hover img{transform:scale(1.03)}
.intro-media::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(34,51,48,.25),transparent 60%)}
.intro-badge{
    position:absolute;left:20px;bottom:20px;z-index:2;
    display:inline-block;padding:6px 18px;border-radius:999px;
    background:var(--secondary);color:#fff;font-size:13px;font-weight:700;
    letter-spacing:.04em;
}
.intro-content{padding-left:40px}
.intro-content p{margin-bottom:18px;color:var(--text-light);line-height:1.85}
.intro-points{margin-top:24px}
.intro-points li{
    display:flex;align-items:flex-start;gap:12px;
    padding:12px 0;border-bottom:1px solid var(--border);
    font-size:15px;color:var(--text);line-height:1.6;
}
.intro-points li:last-child{border-bottom:none}
.intro-points .point-icon{
    flex:0 0 24px;width:24px;height:24px;border-radius:50%;
    background:var(--primary);color:#fff;font-size:13px;font-weight:700;
    display:flex;align-items:center;justify-content:center;margin-top:2px;
}

/* ===== 指标区 ===== */
.stats-band{background:var(--dark);padding:72px 0;color:#fff}
.stats-grid .stat-cell{text-align:center;padding:24px 16px;border-right:1px solid rgba(255,255,255,.08)}
.stats-grid .stat-cell:last-child{border-right:none}
.stat-number{
    font-family:var(--font-serif);font-size:50px;font-weight:900;
    color:var(--accent);line-height:1.2;display:block;
}
.stat-label{font-size:14px;color:rgba(255,255,255,.72);margin-top:8px;line-height:1.5}
.stat-note{font-size:12px;color:rgba(255,255,255,.45);margin-top:4px}

/* ===== 流程区 ===== */
.flow-section{padding:96px 0;background:var(--bg)}
.flow-card{
    background:var(--white);border-radius:var(--radius-card);
    padding:32px 26px;box-shadow:var(--shadow-card);
    transition:transform .3s ease,box-shadow .3s ease;
    position:relative;height:100%;
    border-top:3px solid transparent;
}
.flow-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-top-color:var(--accent)}
.flow-step-number{
    font-family:var(--font-serif);font-size:40px;font-weight:900;
    color:rgba(46,91,74,.18);line-height:1;display:block;margin-bottom:14px;
}
.flow-card h3{font-family:var(--font-serif);font-size:20px;font-weight:700;margin-bottom:10px;color:var(--text)}
.flow-card p{font-size:14px;color:var(--text-light);line-height:1.75}
.flow-divider{
    position:absolute;top:50%;right:-24px;width:24px;height:2px;
    background:var(--accent);opacity:.4;
}
@media(max-width:1023px){
    .flow-divider{display:none}
}

/* ===== FAQ区 ===== */
.faq-section{padding:96px 0;background:var(--bg-alt)}
.faq-heading{margin-bottom:40px}
.faq-heading .section-title{margin-bottom:8px}
.faq-card{
    background:var(--white);border-radius:var(--radius-card);
    box-shadow:var(--shadow-card);overflow:hidden;
    border:1px solid var(--border);
}
.accordion{background:transparent;border:none}
.accordion-item{border-bottom:1px solid var(--border);background:var(--white)}
.accordion-item:last-child{border-bottom:none}
.accordion-item.is-active{border-left:4px solid var(--primary)}
.accordion-title{
    position:relative;display:block;padding:22px 52px 22px 26px;
    font-family:var(--font-sans);font-size:17px;font-weight:500;
    color:var(--text);line-height:1.55;background:var(--white);
    transition:background .25s,color .25s;
}
.accordion-title:hover{background:var(--bg);color:var(--primary)}
.accordion-title::before{
    content:'+';position:absolute;right:22px;top:50%;
    transform:translateY(-50%);
    font-size:26px;font-weight:400;color:var(--accent);
    line-height:1;transition:transform .25s ease,color .25s;
}
.accordion-item.is-active > .accordion-title::before{
    content:'×';transform:translateY(-50%) rotate(0deg);
    color:var(--primary);font-size:24px;
}
.accordion-content{
    background:var(--white);color:var(--text-light);
    font-size:15px;line-height:1.85;padding:0 26px 24px 26px;
}
.accordion-content p{margin-bottom:12px}
.accordion-content p:last-child{margin-bottom:0}

/* ===== CTA区 ===== */
.cta-section{
    background:linear-gradient(120deg,#223330 0%,#2E5B4A 70%),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    background-blend-mode:multiply;
    padding:88px 0;color:#fff;position:relative;overflow:hidden;
}
.cta-section::before{
    content:'';position:absolute;top:-120px;right:-120px;
    width:320px;height:320px;border-radius:50%;
    background:rgba(203,166,90,.12);
}
.cta-section::after{
    content:'';position:absolute;bottom:-80px;left:-60px;
    width:200px;height:200px;border-radius:50%;
    background:rgba(181,83,61,.14);
}
.cta-title{font-family:var(--font-serif);font-size:30px;font-weight:900;line-height:1.35;margin-bottom:12px;position:relative;z-index:2}
.cta-desc{font-size:16px;color:rgba(255,255,255,.82);line-height:1.8;margin-bottom:28px;max-width:480px;position:relative;z-index:2}
.cta-form{display:flex;gap:12px;margin-bottom:16px;position:relative;z-index:2}
.cta-form input[type="email"]{
    flex:1;min-width:0;height:48px;border-radius:var(--radius-btn);
    border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.12);
    color:#fff;padding:0 18px;font-size:15px;outline:none;
    transition:border-color .25s,background .25s,box-shadow .25s;
}
.cta-form input[type="email"]::placeholder{color:rgba(255,255,255,.55)}
.cta-form input[type="email"]:focus{border-color:var(--accent);background:rgba(255,255,255,.16);box-shadow:0 0 0 3px rgba(203,166,90,.25)}
.cta-form .btn-subscribe{
    height:48px;padding:0 28px;border-radius:var(--radius-btn);
    background:var(--accent);color:var(--dark);border:none;
    font-weight:700;font-size:15px;cursor:pointer;white-space:nowrap;
    transition:background .25s,transform .25s,box-shadow .25s;
}
.cta-form .btn-subscribe:hover{background:#d4b96f;transform:translateY(-2px);box-shadow:0 6px 20px rgba(203,166,90,.35)}
.form-message{font-size:14px;min-height:22px;margin-bottom:12px;position:relative;z-index:2;display:block}
.form-message.success{color:#7fc8a9}
.form-message.error{color:#e59a8a}
.cta-section .btn-shop{
    display:inline-flex;align-items:center;gap:8px;
    height:48px;padding:0 30px;border-radius:var(--radius-btn);
    background:var(--secondary);color:#fff;font-weight:700;font-size:15px;
    transition:background .25s,transform .25s,box-shadow .25s;
    position:relative;z-index:2;
}
.cta-section .btn-shop:hover{background:#9c4631;transform:translateY(-2px);box-shadow:0 6px 20px rgba(181,83,61,.35)}
.cta-section .btn-shop svg{width:16px;height:16px;transition:transform .25s}
.cta-section .btn-shop:hover svg{transform:translateX(3px)}

/* ===== 页脚 ===== */
.footer{
    background:var(--dark);color:rgba(255,255,255,.75);
    padding:64px 0 24px;font-size:14px;
}
.footer .grid-container{max-width:1280px}
.footer-brand-name{
    font-family:var(--font-serif);font-size:24px;font-weight:900;
    color:#fff;letter-spacing:.02em;margin-bottom:14px;
}
.footer-brand-desc{font-size:14px;line-height:1.75;color:rgba(255,255,255,.6);max-width:340px;margin-bottom:20px}
.footer-social{display:flex;gap:12px}
.footer-social a{
    width:38px;height:38px;border-radius:50%;
    background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;
    transition:background .25s,transform .25s;
}
.footer-social a:hover{background:rgba(203,166,90,.2);transform:translateY(-3px)}
.footer-social svg{width:18px;height:18px;fill:rgba(255,255,255,.85)}
.footer-title{
    font-family:var(--font-sans);font-size:15px;font-weight:700;
    color:#fff;margin-bottom:16px;letter-spacing:.04em;
}
.footer-links li{margin-bottom:10px}
.footer-links a{color:rgba(255,255,255,.65);font-size:14px;line-height:1.6;transition:color .25s,padding-left .25s}
.footer-links a:hover{color:var(--accent);padding-left:4px}
.footer-contact{font-size:14px;line-height:2;color:rgba(255,255,255,.65)}
.footer-bottom{
    margin-top:48px;padding-top:24px;
    border-top:1px solid rgba(255,255,255,.08);
    text-align:center;font-size:13px;color:rgba(255,255,255,.45);
}

/* ===== 响应式 ===== */
@media(max-width:1023px){
    .page-head{padding:80px 0 56px}
    .page-head h1{font-size:36px}
    .section-block{padding:72px 0}
    .intro-content{padding-left:0;margin-top:32px}
    .flow-card{margin-bottom:20px}
}
@media(max-width:767px){
    .sidebar{display:none}
    .main-content{margin-left:0}
    .mobile-header{display:flex}
    .page-head{padding-top:88px;padding-bottom:48px}
    .page-head h1{font-size:32px}
    .page-head .lead{font-size:15px}
    .section-block{padding:64px 0}
    .section-title{font-size:24px}
    .intro-content p{font-size:15px}
    .stats-grid .stat-cell{border-right:none;border-bottom:1px solid rgba(255,255,255,.08);padding:20px 12px}
    .stats-grid .stat-cell:last-child{border-bottom:none}
    .stat-number{font-size:38px}
    .cta-form{flex-direction:column}
    .cta-form input[type="email"]{width:100%}
    .cta-form .btn-subscribe{width:100%}
    .cta-section .btn-shop{width:100%;justify-content:center}
    .footer{padding-top:48px}
}
@media(max-width:520px){
    .page-head h1{font-size:28px}
    .stat-number{font-size:32px}
    .accordion-title{font-size:15px;padding-right:44px}
    .flow-card{padding:24px 20px}
}