/* roulang page: index */
:root {
    --primary: #1D5C3F;
    --primary-dark: #14271E;
    --primary-light: #2E7D5B;
    --accent: #D9A13B;
    --accent-dark: #B8872F;
    --accent-light: #E8C36A;
    --bg-warm: #FAF8F4;
    --text-main: #2B2B2B;
    --text-muted: #6B7280;
    --text-faint: #9CA3AF;
    --border: #E5E7EB;
    --card-border: #EFEFEF;
    --radius-card: 14px;
    --radius-btn: 10px;
    --radius-input: 8px;
    --shadow-card: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-hover: 0 8px 20px rgba(0,0,0,0.10);
    --shadow-accent: 0 2px 4px rgba(209,161,59,0.25);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-main);
    background: var(--bg-warm);
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: 15px; outline: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.section { padding: 96px 0; }
.section-head { text-align: center; margin-bottom: 56px; }
.section-head .sub { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--accent); font-weight: 600; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 10px; }
.section-head h2 { font-size: 32px; font-weight: 700; line-height: 1.3; color: var(--text-main); margin-bottom: 14px; position: relative; }
.section-head h2::after { content: ''; display: block; width: 56px; height: 3px; background: var(--accent); border-radius: 4px; margin: 16px auto 0; }
.section-head p { font-size: 16px; color: var(--text-muted); max-width: 640px; margin: 0 auto; line-height: 1.7; }

/* 导航 */
.site-nav {
    position: fixed;
    top: 12px;
    left: 12px;
    right: 12px;
    z-index: 1000;
    display: flex;
    justify-content: center;
    pointer-events: none;
}
.nav-inner {
    pointer-events: auto;
    width: 100%;
    max-width: 1180px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    background: rgba(255,255,255,0.85);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-radius: 999px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    border: 1px solid rgba(255,255,255,0.4);
}
.nav-logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; color: var(--text-main); white-space: nowrap; }
.nav-logo svg { width: 28px; height: 28px; color: var(--primary); flex-shrink: 0; }
.nav-logo .brand-mark { color: var(--accent); }
.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-link {
    padding: 7px 16px;
    border-radius: 999px;
    font-size: 15px;
    color: #4B5563;
    font-weight: 500;
    transition: all 0.25s ease;
}
.nav-link:hover { color: var(--primary); background: rgba(29,92,63,0.08); }
.nav-link.active { color: var(--primary); background: rgba(29,92,63,0.1); font-weight: 600; }
.nav-cta { height: 36px; padding: 0 20px; border-radius: 999px; background: var(--primary); color: #fff; font-size: 14px; font-weight: 500; display: inline-flex; align-items: center; gap: 6px; transition: background 0.25s ease; white-space: nowrap; }
.nav-cta:hover { background: var(--primary-light); }
.nav-toggle { display: none; width: 40px; height: 40px; border-radius: 50%; align-items: center; justify-content: center; font-size: 22px; color: var(--text-main); }
.mobile-nav {
    display: none;
    position: fixed;
    top: 80px;
    left: 16px;
    right: 16px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 12px 32px rgba(0,0,0,0.12);
    z-index: 999;
    padding: 16px;
    flex-direction: column;
    gap: 4px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a { padding: 12px 16px; border-radius: 10px; font-size: 16px; color: var(--text-main); font-weight: 500; }
.mobile-nav a:hover { background: rgba(29,92,63,0.08); color: var(--primary); }
.mobile-nav a.active { background: rgba(29,92,63,0.1); color: var(--primary); font-weight: 600; }
.mobile-nav .mobile-cta { margin-top: 8px; background: var(--primary); color: #fff; text-align: center; border-radius: 10px; padding: 14px; }
.mobile-nav .mobile-cta:hover { background: var(--primary-light); }

/* 按钮 */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 10px; font-size: 15px; font-weight: 500; padding: 0 24px; height: 48px; transition: all 0.25s ease; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-light); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(29,92,63,0.2); }
.btn-accent { background: var(--accent); color: #1F2937; font-weight: 600; box-shadow: inset 0 0 0 1px rgba(255,255,255,0.3); }
.btn-accent:hover { background: var(--accent-dark); color: #1F2937; transform: translateY(-1px); box-shadow: 0 4px 14px rgba(209,161,59,0.4); }
.btn-outline { background: transparent; border: 1.5px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: rgba(29,92,63,0.06); }
.btn-white-outline { background: transparent; border: 1.5px solid rgba(255,255,255,0.7); color: #fff; }
.btn-white-outline:hover { background: var(--primary); border-color: var(--primary); }
.btn:active { transform: translateY(2px); box-shadow: none; }

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--primary-dark);
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    padding: 120px 0 100px;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(20,39,30,0.92) 0%, rgba(20,39,30,0.75) 50%, rgba(20,39,30,0.55) 100%);
}
.hero-content { position: relative; z-index: 2; width: 100%; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 64px; align-items: center; }
.hero-text .badge-line { display: flex; gap: 8px; align-items: center; margin-bottom: 20px; flex-wrap: wrap; }
.hero-text .badge-line .sep { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); opacity: 0.7; }
.hero-text .badge-line span { font-size: 13px; color: rgba(255,255,255,0.75); }
.hero-text h1 { font-size: 46px; font-weight: 700; line-height: 1.3; color: #fff; margin-bottom: 20px; letter-spacing: 0.5px; }
.hero-text h1 .brand-strong { color: var(--accent); position: relative; display: inline-block; }
.hero-text .hero-sub { font-size: 18px; line-height: 1.7; color: rgba(255,255,255,0.85); max-width: 520px; margin-bottom: 36px; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-visual { position: relative; z-index: 2; }
.hero-visual .visual-card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    padding: 32px;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}
.visual-card .visual-title { font-size: 16px; color: rgba(255,255,255,0.9); font-weight: 600; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.visual-card .visual-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.visual-card .stat-box { background: rgba(255,255,255,0.05); border-radius: 12px; padding: 16px; text-align: center; }
.visual-card .stat-num { font-size: 24px; font-weight: 700; color: #fff; font-variant-numeric: tabular-nums; margin-bottom: 4px; }
.visual-card .stat-num .unit { font-size: 14px; color: var(--accent); }
.visual-card .stat-label { font-size: 13px; color: rgba(255,255,255,0.6); }
.hero .arena-line {
    position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
    width: 100%; max-width: 1200px; height: 3px;
    background: linear-gradient(to right, transparent, var(--accent) 30%, var(--accent) 70%, transparent);
    z-index: 3;
    border-radius: 4px 4px 0 0;
}

/* 优惠阶梯 */
.pricing-section { background: var(--bg-warm); }
.pricing-grid { display: grid; grid-template-columns: 1fr 1.1fr 1fr; gap: 32px; align-items: stretch; }
.pricing-card {
    background: #fff;
    border-radius: 14px;
    padding: 40px 32px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--card-border);
    position: relative;
    display: flex; flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.pricing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.pricing-card.featured {
    background: var(--primary-dark);
    color: #fff;
    box-shadow: var(--shadow-accent);
    border: 1px solid var(--accent);
    transform: scale(1.02);
    z-index: 2;
}
.pricing-card.featured:hover { transform: scale(1.02) translateY(-4px); box-shadow: 0 10px 28px rgba(29,92,63,0.3); }
.pricing-card .hot-tag {
    position: absolute;
    top: -12px; left: 50%; transform: translateX(-50%);
    background: var(--accent);
    color: #1F2937;
    font-size: 13px;
    font-weight: 700;
    padding: 4px 16px;
    border-radius: 999px;
    box-shadow: 0 2px 8px rgba(209,161,59,0.4);
    white-space: nowrap;
}
.pricing-card .plan-name { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.pricing-card.featured .plan-name { color: #fff; }
.pricing-card .plan-price { font-size: 34px; font-weight: 700; font-variant-numeric: tabular-nums; margin-bottom: 20px; line-height: 1.1; }
.pricing-card.featured .plan-price { color: var(--accent); }
.pricing-card .plan-price .postfix { font-size: 14px; color: var(--text-muted); font-weight: 400; margin-left: 4px; }
.pricing-card.featured .plan-price .postfix { color: rgba(255,255,255,0.5); }
.pricing-card .plan-features { list-style: none; margin-bottom: 28px; flex-grow: 1; }
.pricing-card .plan-features li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; padding: 7px 0; line-height: 1.5; }
.pricing-card .plan-features li svg { width: 16px; height: 16px; flex-shrink: 0; color: var(--accent); margin-top: 4px; }
.pricing-card.featured .plan-features li svg { color: var(--accent); }
.pricing-card.featured .plan-features li { color: rgba(255,255,255,0.85); }
.pricing-card .plan-features li { color: var(--text-main); }
.pricing-card .btn { width: 100%; margin-top: auto; }

/* 核心服务 */
.services-section { background: #fff; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.service-card {
    border-radius: 14px;
    overflow: hidden;
    background: var(--bg-warm);
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-card);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.service-card .card-img { position: relative; aspect-ratio: 16/9; overflow: hidden; background: #EEEEEE; }
.service-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.service-card:hover .card-img img { transform: scale(1.03); }
.service-card .card-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(20,39,30,0.3), transparent 60%); }
.service-card .card-body { padding: 24px 24px 28px; }
.service-card .card-body h3 { font-size: 20px; font-weight: 600; margin-bottom: 10px; }
.service-card .card-body p { font-size: 14px; line-height: 1.7; color: var(--text-muted); margin-bottom: 16px; }
.service-card .card-link { font-size: 14px; font-weight: 500; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.service-card .card-link:hover { color: var(--primary-light); }
.service-card .card-link .arrow { transition: transform 0.25s ease; }
.service-card .card-link:hover .arrow { transform: translateX(4px); }

/* 套餐对比 */
.compare-section { background: var(--bg-warm); }
.compare-table-wrap { overflow-x: auto; border-radius: 14px; box-shadow: var(--shadow-card); background: #fff; }
.compare-table { width: 100%; border-collapse: collapse; min-width: 760px; }
.compare-table th, .compare-table td { padding: 20px 24px; text-align: center; border-bottom: 1px solid var(--border); }
.compare-table th { font-size: 16px; font-weight: 600; background: var(--primary-dark); color: #fff; }
.compare-table th:first-child { text-align: left; background: var(--primary-dark); border-radius: 0; }
.compare-table th .price-num { font-size: 22px; font-weight: 700; color: var(--accent); display: block; margin-top: 4px; }
.compare-table th .price-num small { font-size: 13px; font-weight: 400; color: rgba(255,255,255,0.6); }
.compare-table td { font-size: 14px; color: var(--text-main); }
.compare-table td:first-child { text-align: left; font-weight: 500; color: var(--text-muted); }
.compare-table tr:last-child td { border-bottom: none; }
.compare-table tbody tr:hover td { background: rgba(29,92,63,0.04); }
.compare-table .popular-col { background: rgba(209,161,59,0.04); position: relative; }
.compare-table .popular-col .crown { position: absolute; top: -10px; left: 50%; transform: translateX(-50%); background: var(--accent); color: #1F2937; font-size: 11px; font-weight: 700; padding: 2px 12px; border-radius: 999px; white-space: nowrap; }
.compare-table .btn-compare { display: inline-block; padding: 8px 20px; border-radius: 8px; font-size: 13px; font-weight: 500; background: var(--primary); color: #fff; transition: background 0.25s ease; }
.compare-table .btn-compare:hover { background: var(--primary-light); }
.compare-table .btn-accent-small { background: var(--accent); color: #1F2937; }
.compare-table .btn-accent-small:hover { background: var(--accent-dark); }
.compare-mobile { display: none; }

/* 资讯 */
.news-section { background: #fff; }
.news-header { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 40px; flex-wrap: wrap; gap: 16px; }
.news-header h2 { font-size: 32px; font-weight: 700; position: relative; margin-bottom: 10px; }
.news-header h2::after { content: ''; display: block; width: 56px; height: 3px; background: var(--accent); border-radius: 4px; margin-top: 12px; }
.news-header .view-all { font-size: 14px; color: var(--primary); font-weight: 500; display: inline-flex; align-items: center; gap: 6px; }
.news-header .view-all:hover { color: var(--primary-light); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
    background: #fff;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-card);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex; flex-direction: column;
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.news-cover { aspect-ratio: 16/9; overflow: hidden; background: #EEEEEE; position: relative; }
.news-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.35s ease; }
.news-card:hover .news-cover img { transform: scale(1.02); }
.news-body { padding: 20px 24px 24px; display: flex; flex-direction: column; flex-grow: 1; }
.news-tag { display: inline-block; background: var(--accent); color: #1F2937; font-size: 12px; font-weight: 600; padding: 3px 12px; border-radius: 999px; margin-bottom: 12px; align-self: flex-start; }
.news-body h3 { font-size: 17px; font-weight: 600; line-height: 1.5; margin-bottom: 10px; color: var(--text-main); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-body p { font-size: 14px; color: var(--text-muted); line-height: 1.6; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding-top: 10px; border-top: 1px solid #F3F4F6; }
.news-meta .date { font-size: 13px; color: var(--text-faint); font-variant-numeric: tabular-nums; }
.news-meta .news-link { font-size: 14px; color: var(--primary); font-weight: 500; display: inline-flex; align-items: center; gap: 4px; transition: gap 0.25s ease; }
.news-card:hover .news-link { gap: 8px; }
.empty-state {
    background: #fff;
    border: 1px dashed var(--border);
    border-radius: 14px;
    padding: 60px 32px;
    text-align: center;
}
.empty-state svg { width: 48px; height: 48px; color: var(--text-faint); margin: 0 auto 16px; }
.empty-state p { font-size: 16px; color: var(--text-muted); margin-bottom: 20px; }
.empty-state .btn { height: 40px; padding: 0 20px; font-size: 14px; }

/* 数据统计 */
.stats-section { background: var(--primary-dark); background-image: url('/assets/images/backpic/back-2.png'); background-size: cover; background-position: center; position: relative; }
.stats-section::before { content: ''; position: absolute; inset: 0; background: rgba(20,39,30,0.88); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; position: relative; z-index: 2; }
.stat-item { text-align: center; padding: 40px 20px; }
.stat-item .num { font-size: 44px; font-weight: 800; color: #fff; font-variant-numeric: tabular-nums; line-height: 1.1; }
.stat-item .num span { color: var(--accent); font-size: 22px; font-weight: 600; margin-left: 2px; }
.stat-item .label { font-size: 14px; color: rgba(255,255,255,0.6); margin-top: 8px; }
.stat-item .divider { width: 40px; height: 2px; background: var(--accent); border-radius: 2px; margin: 16px auto 0; }

/* 限时入口 */
.cta-section { padding: 0; background: transparent; }
.cta-banner {
    background: linear-gradient(90deg, #1D5C3F 0%, #2E7D5B 50%, #1D5C3F 100%);
    border-radius: 20px;
    padding: 48px 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    box-shadow: 0 12px 32px rgba(29,92,63,0.3);
    position: relative;
    overflow: hidden;
    flex-wrap: wrap;
}
.cta-banner::before { content: ''; position: absolute; top: -40px; right: -40px; width: 200px; height: 200px; border: 2px solid rgba(255,255,255,0.06); border-radius: 50%; }
.cta-banner::after { content: ''; position: absolute; bottom: -60px; left: 20%; width: 150px; height: 150px; border: 2px solid rgba(255,255,255,0.04); border-radius: 50%; }
.cta-left { flex: 1; min-width: 260px; position: relative; z-index: 2; }
.cta-left h3 { font-size: 24px; font-weight: 700; color: #fff; margin-bottom: 6px; }
.cta-left p { font-size: 14px; color: rgba(255,255,255,0.75); }
.cta-timer { display: flex; gap: 12px; align-items: center; position: relative; z-index: 2; }
.timer-block { background: #fff; border-radius: 12px; padding: 12px 16px; text-align: center; min-width: 64px; box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
.timer-block .num { font-size: 28px; font-weight: 800; color: var(--primary-dark); font-variant-numeric: tabular-nums; line-height: 1; }
.timer-block .label { font-size: 11px; color: var(--text-muted); margin-top: 4px; }
.timer-colon { font-size: 28px; font-weight: 700; color: #fff; }
.cta-btn { position: relative; z-index: 2; }

/* FAQ */
.faq-section { background: var(--bg-warm); }
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); background: #fff; border-radius: 0 0 0 0; }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-item.highlight {
    background: #fff;
    padding: 0;
}
.faq-item:last-child { border-bottom: 1px solid var(--border); }
.faq-q {
    width: 100%;
    display: flex; justify-content: space-between; align-items: center;
    padding: 24px 28px;
    font-size: 16px; font-weight: 600; color: var(--text-main);
    text-align: left;
    transition: color 0.25s ease;
    gap: 20px;
}
.faq-q:hover { color: var(--primary); }
.faq-q .faq-icon { flex-shrink: 0; width: 32px; height: 32px; border-radius: 50%; background: rgba(29,92,63,0.08); display: flex; align-items: center; justify-content: center; transition: transform 0.3s ease, background 0.3s ease; }
.faq-q .faq-icon svg { width: 16px; height: 16px; color: var(--primary); }
.faq-item.active .faq-q .faq-icon { transform: rotate(45deg); background: var(--primary); }
.faq-item.active .faq-q .faq-icon svg { color: #fff; }
.faq-a { display: none; padding: 0 28px 24px; font-size: 14px; line-height: 1.8; color: var(--text-muted); }
.faq-item.active .faq-a { display: block; }

/* 咨询表单 */
.contact-section { background: #fff; }
.contact-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: start; }
.contact-form-wrap { background: var(--bg-warm); border-radius: 16px; padding: 40px; border: 1px solid var(--card-border); box-shadow: var(--shadow-card); }
.contact-form-wrap h3 { font-size: 22px; font-weight: 600; margin-bottom: 8px; }
.contact-form-wrap .intro { font-size: 14px; color: var(--text-muted); margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.form-group { display: flex; flex-direction: column; }
.form-group label { font-size: 14px; font-weight: 500; margin-bottom: 8px; color: var(--text-main); }
.form-group label .req { color: #DC2626; margin-right: 2px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; height: 46px; border-radius: 8px; border: 1px solid #D1D5DB; background: #fff; padding: 0 14px; font-size: 15px; transition: border-color 0.25s ease, box-shadow 0.25s ease; }
.form-group textarea { height: 120px; padding: 12px 14px; resize: vertical; }
.form-group.full { grid-column: 1 / -1; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(29,92,63,0.15); }
.form-group input.error, .form-group select.error, .form-group textarea.error { border-color: #DC2626; }
.form-error { font-size: 13px; color: #DC2626; margin-top: 4px; height: 16px; }
.submit-btn { width: 100%; height: 48px; margin-top: 8px; }
.privacy-tip { font-size: 12px; color: var(--text-faint); margin-top: 14px; text-align: center; }
.contact-info-wrap { background: var(--primary-dark); border-radius: 16px; padding: 40px; color: #fff; position: relative; overflow: hidden; }
.contact-info-wrap::before { content: ''; position: absolute; top: -60px; right: -60px; width: 160px; height: 160px; border: 2px solid rgba(209,161,59,0.2); border-radius: 50%; }
.contact-info-wrap h3 { font-size: 22px; font-weight: 600; margin-bottom: 8px; position: relative; z-index: 2; }
.contact-info-wrap .intro { font-size: 14px; color: rgba(255,255,255,0.6); margin-bottom: 28px; position: relative; z-index: 2; }
.contact-items { list-style: none; margin-bottom: 32px; position: relative; z-index: 2; }
.contact-items li { display: flex; align-items: center; gap: 12px; padding: 10px 0; font-size: 15px; }
.contact-items li svg { width: 18px; height: 18px; color: var(--accent); flex-shrink: 0; }
.contact-avatar { background: rgba(255,255,255,0.05); border-radius: 14px; padding: 20px; display: flex; align-items: center; gap: 14px; position: relative; z-index: 2; }
.contact-avatar .avatar-circle { width: 48px; height: 48px; border-radius: 50%; background: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 700; color: #1F2937; }
.contact-avatar .avatar-name { font-size: 15px; font-weight: 600; color: #fff; }
.contact-avatar .avatar-role { font-size: 13px; color: rgba(255,255,255,0.5); }

/* 页脚 */
.site-footer { background: var(--primary-dark); padding: 64px 32px 32px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 0.8fr 1fr; gap: 48px; max-width: 1200px; margin: 0 auto; }
.footer-brand .footer-logo { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-brand .footer-logo svg { width: 28px; height: 28px; color: var(--accent); }
.footer-brand p { font-size: 14px; color: #CBD5E1; line-height: 1.8; max-width: 300px; }
.footer-nav h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 16px; }
.footer-nav ul { list-style: none; }
.footer-nav li { margin: 10px 0; }
.footer-nav a { font-size: 14px; color: #9CA3AF; transition: color 0.25s ease; }
.footer-nav a:hover { color: var(--accent); }
.footer-contact h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 16px; }
.footer-contact ul { list-style: none; }
.footer-contact li { display: flex; align-items: center; gap: 10px; margin: 12px 0; font-size: 14px; color: #9CA3AF; }
.footer-contact li svg { width: 16px; height: 16px; color: var(--accent); flex-shrink: 0; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: 48px;
    padding-top: 24px;
    text-align: center;
    font-size: 12px;
    color: #6B7280;
}

/* 响应式 */
@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; gap: 40px; }
    .hero-visual { max-width: 520px; }
    .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; gap: 24px; }
    .pricing-card.featured { transform: none; }
    .pricing-card.featured:hover { transform: translateY(-4px); }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .news-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: 2fr 2fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .compare-table { display: none; }
    .compare-mobile { display: block; }
    .cta-banner { flex-direction: column; text-align: center; padding: 40px 28px; }
    .cta-left { text-align: center; }
    .cta-btn { width: 100%; max-width: 300px; }
}
@media (max-width: 768px) {
    .nav-menu { display: none; }
    .nav-cta { display: none; }
    .nav-toggle { display: flex; }
    .container { padding: 0 20px; }
    .section { padding: 64px 0; }
    .section-head { margin-bottom: 40px; }
    .section-head h2 { font-size: 26px; }
    .hero-text h1 { font-size: 32px; }
    .hero-text .hero-sub { font-size: 16px; }
    .hero { padding: 100px 0 70px; min-height: auto; }
    .services-grid { grid-template-columns: 1fr; }
    .news-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .form-row .form-group { margin-bottom: 18px; }
    .form-group.full { grid-column: auto; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .hero-grid { grid-template-columns: 1fr; }
    .visual-card { padding: 20px; }
    .visual-card .stat-num { font-size: 20px; }
    .timer-block { min-width: 52px; padding: 10px 12px; }
    .timer-block .num { font-size: 20px; }
    .cta-banner { padding: 32px 20px; }
    .contact-form-wrap, .contact-info-wrap { padding: 28px 20px; }
}
@media (max-width: 520px) {
    .news-grid { grid-template-columns: 1fr; }
    .footer-brand p { max-width: 100%; }
    .hero-btns { flex-direction: column; width: 100%; }
    .hero-btns .btn { width: 100%; }
}

/* roulang page: category1 */
:root {
            --primary: #1D5C3F;
            --primary-dark: #14271E;
            --primary-light: #2A7A52;
            --accent: #D9A13B;
            --accent-dark: #B8872F;
            --bg: #FAF8F4;
            --text-main: #2B2B2B;
            --text-muted: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E7EB;
            --card-border: #EFEFEF;
            --radius: 14px;
            --radius-sm: 10px;
            --radius-lg: 20px;
            --shadow: 0 1px 3px rgba(0,0,0,0.08);
            --shadow-hover: 0 8px 20px rgba(0,0,0,0.10);
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
        }

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

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 15px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* 导航 */
        .site-nav {
            position: fixed;
            top: 12px;
            left: 12px;
            right: 12px;
            z-index: 100;
            display: flex;
            justify-content: center;
            padding: 0 16px;
        }

        .nav-inner {
            width: 100%;
            max-width: 1200px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: 56px;
            padding: 0 24px;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: 999px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            transition: var(--transition);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 19px;
            color: var(--primary-dark);
            white-space: nowrap;
        }

        .nav-logo svg {
            width: 30px;
            height: 30px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .brand-mark {
            color: var(--accent-dark);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            height: 38px;
            padding: 0 14px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: #4B5563;
            transition: var(--transition);
        }

        .nav-link:hover {
            background: rgba(29, 92, 63, 0.08);
            color: var(--primary);
        }

        .nav-link.active {
            background: rgba(29, 92, 63, 0.12);
            color: var(--primary);
            font-weight: 600;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            height: 36px;
            padding: 0 20px;
            border-radius: 999px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            white-space: nowrap;
            transition: var(--transition);
        }

        .nav-cta:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 999px;
            background: transparent;
            color: var(--primary-dark);
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(29, 92, 63, 0.08);
        }

        /* Hero */
        .page-hero {
            position: relative;
            min-height: 480px;
            display: flex;
            align-items: center;
            padding: 140px 0 80px;
            background: var(--primary-dark) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 39, 30, 0.94) 30%, rgba(20, 39, 30, 0.72) 100%);
            z-index: 1;
        }

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

        .hero-content {
            max-width: 720px;
        }

        .hero-title {
            font-size: clamp(32px, 4vw, 44px);
            font-weight: 700;
            line-height: 1.3;
            color: #fff;
            margin-bottom: 18px;
        }

        .hero-title .highlight {
            color: var(--accent);
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin-bottom: 28px;
        }

        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px 0;
            color: rgba(255, 255, 255, 0.72);
            font-size: 13px;
            margin-bottom: 32px;
        }

        .hero-badges span::after {
            content: "·";
            margin: 0 12px;
            color: rgba(255, 255, 255, 0.4);
        }

        .hero-badges span:last-child::after {
            content: "";
            margin: 0;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: var(--transition);
            border: 1.5px solid transparent;
        }

        .btn-gold {
            background: var(--accent);
            color: #1F2937;
            box-shadow: 0 2px 4px rgba(209, 161, 59, 0.25);
        }

        .btn-gold:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
        }

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

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

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

        .btn-primary:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }

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

        .btn-outline:hover {
            background: rgba(29, 92, 63, 0.06);
        }

        /* 区块 */
        .section {
            padding: 96px 0;
        }

        .section-alt {
            background: #fff;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 52px;
        }

        .section-tag {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 999px;
            background: rgba(217, 161, 59, 0.12);
            color: var(--accent-dark);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: clamp(26px, 3vw, 32px);
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* 服务卡片 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

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

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

        .service-card-image {
            width: 100%;
            height: 160px;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .service-card:hover .service-card-image {
            transform: scale(1.03);
        }

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

        .service-card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 10px;
        }

        .service-card-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }

        .service-card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            margin-top: 16px;
            transition: var(--transition);
        }

        .service-card-link i {
            transition: transform 0.25s ease;
        }

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

        .service-card-link:hover i {
            transform: translateX(4px);
        }

        /* 流程区 */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }

        .process-step {
            position: relative;
            background: var(--bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            padding: 36px 28px 28px;
            text-align: center;
            transition: var(--transition);
        }

        .process-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(217, 161, 59, 0.35);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 999px;
            background: var(--primary);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            font-feature-settings: "tnum";
        }

        .step-arrow {
            position: absolute;
            top: 50%;
            right: -18px;
            color: var(--accent);
            font-size: 18px;
            z-index: 2;
        }

        .process-step-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 8px;
        }

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

        /* 适用场景 */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .scenario-card {
            background: #fff;
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            padding: 36px 28px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .scenario-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent);
            opacity: 0;
            transition: var(--transition);
        }

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

        .scenario-card:hover::before {
            opacity: 1;
        }

        .scenario-icon {
            width: 48px;
            height: 48px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: rgba(29, 92, 63, 0.1);
            color: var(--primary);
            font-size: 22px;
            margin-bottom: 20px;
        }

        .scenario-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 10px;
        }

        .scenario-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* 数据区 */
        .stats-strip {
            background: var(--primary-dark);
            padding: 56px 0;
            border-radius: var(--radius-lg);
            margin-top: 40px;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .stat-item {
            padding: 20px;
            border-right: 1px solid rgba(255, 255, 255, 0.08);
        }

        .stat-item:last-child {
            border-right: none;
        }

        .stat-value {
            font-size: 34px;
            font-weight: 700;
            color: var(--accent);
            font-feature-settings: "tnum";
            line-height: 1.3;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 8px;
        }

        /* FAQ */
        .faq-container {
            max-width: 860px;
            margin: 0 auto;
        }

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

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 24px 0;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary-dark);
            background: transparent;
            text-align: left;
            width: 100%;
            transition: var(--transition);
        }

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

        .faq-icon {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            position: relative;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            background: var(--accent-dark);
            transition: transform 0.3s ease;
        }

        .faq-icon::before {
            width: 2px;
            height: 18px;
            left: 8px;
            top: 0;
        }

        .faq-icon::after {
            width: 18px;
            height: 2px;
            top: 8px;
            left: 0;
        }

        .faq-item.open .faq-icon::before {
            transform: rotate(90deg);
            opacity: 0;
        }

        .faq-answer {
            display: none;
            padding: 0 40px 24px 0;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* CTA 区块 */
        .cta-section {
            padding: 96px 0;
            background: var(--primary-dark);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.18;
        }

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

        .cta-title {
            font-size: clamp(26px, 3vw, 34px);
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 16px;
        }

        .cta-text {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.75;
            margin-bottom: 28px;
        }

        .cta-contact-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .cta-contact-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
        }

        .cta-contact-list i {
            width: 34px;
            height: 34px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 999px;
            background: rgba(217, 161, 59, 0.15);
            color: var(--accent);
            font-size: 14px;
        }

        .cta-form {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 36px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
        }

        .form-title {
            font-size: 20px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 24px;
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .form-label .required {
            color: #DC2626;
            margin-right: 2px;
        }

        .form-control {
            width: 100%;
            height: 46px;
            padding: 0 14px;
            border: 1px solid #D1D5DB;
            border-radius: 8px;
            font-size: 15px;
            background: #fff;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(29, 92, 63, 0.15);
        }

        textarea.form-control {
            height: 110px;
            padding: 12px 14px;
            resize: vertical;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .form-privacy {
            font-size: 12px;
            color: var(--text-light);
            margin-top: 12px;
        }

        .btn-submit {
            width: 100%;
            height: 48px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            margin-top: 6px;
        }

        .btn-submit:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            padding: 64px 32px 0;
            color: #CBD5E1;
        }

        .footer-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 40px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 19px;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-logo svg {
            width: 28px;
            height: 28px;
            color: var(--accent);
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(203, 213, 225, 0.8);
            line-height: 1.75;
            max-width: 360px;
        }

        .footer-nav h4,
        .footer-contact h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-nav ul,
        .footer-contact ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-nav a {
            font-size: 14px;
            color: #CBD5E1;
            transition: var(--transition);
        }

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

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
        }

        .footer-contact svg {
            width: 16px;
            height: 16px;
            flex-shrink: 0;
            opacity: 0.7;
        }

        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
            font-size: 12px;
            color: #6B7280;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-item {
                border-right: none;
            }
            .cta-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
            .section {
                padding: 64px 0;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 64px;
                left: 12px;
                right: 12px;
                flex-direction: column;
                align-items: stretch;
                background: rgba(255, 255, 255, 0.96);
                backdrop-filter: blur(12px);
                border-radius: 16px;
                padding: 12px;
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
                gap: 4px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-link {
                justify-content: center;
                height: 44px;
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .page-hero {
                padding: 120px 0 60px;
                min-height: auto;
            }
            .hero-title {
                font-size: 30px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-form {
                padding: 28px 20px;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .page-hero {
                padding: 110px 0 48px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1D5C3F;
            --primary-light: #2A7252;
            --accent: #D9A13B;
            --accent-dark: #B8872F;
            --bg: #FAF8F4;
            --dark: #14271E;
            --text: #2B2B2B;
            --muted: #6B7280;
            --border: #E5E7EB;
            --card-border: #EFEFEF;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.10);
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
        }

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

        a {
            text-decoration: none;
            color: inherit;
        }

        button {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ===== 导航 ===== */
        .site-nav {
            position: fixed;
            top: 12px;
            left: 12px;
            right: 12px;
            z-index: 1000;
            display: flex;
            justify-content: center;
            pointer-events: none;
        }

        .nav-inner {
            pointer-events: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1200px;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: 999px;
            padding: 8px 24px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.6);
            transition: box-shadow 0.3s ease;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
        }

        .nav-logo svg {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
        }

        .nav-logo .brand-mark {
            font-weight: 600;
            color: var(--accent);
        }

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

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: #4B5563;
            padding: 8px 16px;
            border-radius: 999px;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(29, 92, 63, 0.06);
        }

        .nav-link.active {
            color: var(--primary);
            background: rgba(29, 92, 63, 0.10);
            font-weight: 600;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 36px;
            padding: 0 20px;
            background: var(--primary);
            color: #fff;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            transition: background 0.25s ease, transform 0.2s ease;
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            cursor: pointer;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            color: var(--text);
            transition: background 0.2s;
        }

        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 0;
                right: 0;
                background: #fff;
                border-radius: 16px;
                padding: 16px;
                flex-direction: column;
                align-items: stretch;
                box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
                border: 1px solid var(--border);
            }

            .nav-menu.open {
                display: flex;
            }

            .nav-link {
                padding: 14px 16px;
                text-align: center;
                font-size: 16px;
            }

            .nav-cta {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            background: var(--dark);
            padding: 180px 0 120px;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 39, 30, 0.92) 0%, rgba(20, 39, 30, 0.78) 55%, rgba(29, 92, 63, 0.60) 100%);
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(217, 161, 59, 0.18);
            border: 1px solid rgba(217, 161, 59, 0.4);
            color: var(--accent);
            font-size: 13px;
            font-weight: 500;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 24px;
            letter-spacing: 0.5px;
        }

        .category-hero h1 {
            font-size: 42px;
            font-weight: 700;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

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

        .category-hero p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin-bottom: 32px;
            line-height: 1.75;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            background: var(--accent);
            color: #1F2937;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: background 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
            box-shadow: 0 2px 8px rgba(217, 161, 59, 0.3);
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(217, 161, 59, 0.35);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            background: transparent;
            color: #fff;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 500;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            cursor: pointer;
            transition: all 0.25s ease;
        }

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

        .hero-trust {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 36px;
            flex-wrap: wrap;
        }

        .hero-trust span {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-trust span::before {
            content: '·';
            color: var(--accent);
            font-size: 18px;
            line-height: 1;
        }

        .hero-trust span:first-child::before {
            display: none;
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 96px 0;
        }

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

        .section-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
            display: block;
        }

        .section h2 {
            font-size: 32px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .section-sub {
            font-size: 16px;
            color: var(--muted);
            max-width: 720px;
            margin-bottom: 48px;
            line-height: 1.7;
        }

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

        .section-header .section-sub {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 会员等级卡片 ===== */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .tier-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 40px 32px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--card-border);
            position: relative;
            transition: all 0.3s ease;
        }

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

        .tier-card.featured {
            background: var(--primary);
            color: #fff;
            border: 2px solid var(--accent);
            transform: scale(1.03);
            z-index: 2;
            box-shadow: 0 4px 20px rgba(29, 92, 63, 0.25);
        }

        .tier-card.featured:hover {
            transform: scale(1.03) translateY(-4px);
        }

        .tier-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #1F2937;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 999px;
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(217, 161, 59, 0.4);
        }

        .tier-name {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .tier-price {
            font-size: 32px;
            font-weight: 700;
            font-variant-numeric: tabular-nums;
            margin-bottom: 8px;
            display: flex;
            align-items: baseline;
            gap: 4px;
        }

        .tier-price small {
            font-size: 14px;
            font-weight: 400;
            opacity: 0.7;
        }

        .tier-desc {
            font-size: 14px;
            line-height: 1.6;
            opacity: 0.8;
            margin-bottom: 24px;
        }

        .tier-list {
            list-style: none;
            padding: 0;
            margin: 0 0 28px 0;
        }

        .tier-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            margin-bottom: 12px;
            line-height: 1.5;
        }

        .tier-list li svg {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            margin-top: 2px;
            color: var(--accent);
        }

        .tier-card.featured .tier-list li svg {
            color: var(--accent);
        }

        .tier-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 500;
            transition: all 0.25s ease;
            cursor: pointer;
            border: none;
            width: 100%;
            background: var(--primary);
            color: #fff;
        }

        .tier-btn:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
        }

        .tier-card.featured .tier-btn {
            background: var(--accent);
            color: #1F2937;
        }

        .tier-card.featured .tier-btn:hover {
            background: var(--accent-dark);
        }

        /* ===== 对比表格 ===== */
        .compare-section {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .compare-table th,
        .compare-table td {
            padding: 16px 20px;
            text-align: left;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
        }

        .compare-table thead th {
            background: var(--dark);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 20px;
        }

        .compare-table thead th:first-child {
            border-radius: 0;
        }

        .compare-table tbody tr:last-child td {
            border-bottom: none;
        }

        .compare-table tbody tr:hover td {
            background: rgba(29, 92, 63, 0.03);
        }

        .compare-table .row-label {
            font-weight: 500;
            color: var(--text);
        }

        .compare-table .featured-col {
            background: rgba(217, 161, 59, 0.04);
            border-left: 2px solid var(--accent);
            border-right: 2px solid var(--accent);
        }

        .compare-mobile {
            display: none;
        }

        .popular-tag {
            display: inline-block;
            background: var(--accent);
            color: #1F2937;
            font-size: 12px;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 999px;
            margin-left: 8px;
        }

        @media (max-width: 768px) {
            .compare-table {
                display: none;
            }

            .compare-mobile {
                display: block;
            }

            .compare-mobile-card {
                background: #fff;
                border-radius: var(--radius-card);
                padding: 28px 24px;
                box-shadow: var(--shadow-card);
                border: 1px solid var(--card-border);
                margin-bottom: 20px;
            }

            .compare-mobile-card h3 {
                font-size: 18px;
                font-weight: 600;
                margin-bottom: 4px;
            }

            .compare-mobile-card .price {
                font-size: 24px;
                font-weight: 700;
                color: var(--primary);
                margin-bottom: 16px;
            }

            .compare-mobile-card ul {
                list-style: none;
                padding: 0;
            }

            .compare-mobile-card ul li {
                display: flex;
                justify-content: space-between;
                padding: 8px 0;
                border-bottom: 1px solid var(--border);
                font-size: 14px;
            }

            .compare-mobile-card ul li span:first-child {
                color: var(--muted);
            }

            .compare-mobile-card ul li span:last-child {
                font-weight: 500;
            }

            .compare-mobile-card .tier-btn {
                margin-top: 16px;
                height: 42px;
                background: var(--primary);
                color: #fff;
                border-radius: var(--radius-btn);
                display: flex;
                align-items: center;
                justify-content: center;
                font-size: 14px;
                font-weight: 500;
            }
        }

        /* ===== 适用场景 ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .scenario-card {
            background: #fff;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--card-border);
            transition: all 0.3s ease;
        }

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

        .scenario-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

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

        .scenario-body {
            padding: 24px 24px 28px;
        }

        .scenario-body h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .scenario-body p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.65;
        }

        /* ===== 流程 ===== */
        .process-section {
            background: var(--dark);
            color: #fff;
        }

        .process-section .section-label {
            color: var(--accent);
        }

        .process-section .section h2 {
            color: #fff;
        }

        .process-section .section-sub {
            color: rgba(255, 255, 255, 0.7);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 48px;
        }

        .process-step {
            position: relative;
            padding: 32px 24px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            text-align: center;
            transition: all 0.3s ease;
        }

        .process-step:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(217, 161, 59, 0.3);
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--accent);
            color: #1F2937;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .process-step h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .process-step p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.6;
        }

        .step-arrow {
            position: absolute;
            top: 50%;
            right: -18px;
            transform: translateY(-50%);
            color: var(--accent);
            font-size: 20px;
            z-index: 2;
        }

        @media (max-width: 768px) {
            .process-grid {
                grid-template-columns: 1fr 1fr;
            }

            .step-arrow {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .process-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-container {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 20px 0;
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            padding: 8px 0;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: color 0.2s;
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            transition: transform 0.3s ease;
            color: var(--primary);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-answer-inner {
            padding: 8px 24px 12px 0;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
        }

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

        .cta-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 36px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark);
            color: #CBD5E1;
            padding: 64px 32px 32px;
        }

        .footer-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 48px;
            margin-bottom: 48px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-logo svg {
            width: 26px;
            height: 26px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: #94A3B8;
        }

        .footer-nav h4,
        .footer-contact h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
        }

        .footer-nav ul,
        .footer-contact ul {
            list-style: none;
            padding: 0;
        }

        .footer-nav ul li,
        .footer-contact ul li {
            margin-bottom: 12px;
            font-size: 14px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .footer-nav ul li a {
            color: #94A3B8;
            transition: color 0.2s;
        }

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

        .footer-contact ul li svg {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            margin-top: 3px;
            color: var(--accent);
        }

        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: #6B7280;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .tier-grid {
                grid-template-columns: 1fr 1fr;
            }

            .tier-card.featured {
                transform: none;
            }

            .tier-card.featured:hover {
                transform: translateY(-4px);
            }

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

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }

            .section {
                padding: 64px 0;
            }

            .category-hero {
                padding: 140px 0 80px;
            }

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

            .category-hero p {
                font-size: 16px;
            }

            .hero-actions {
                width: 100%;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-outline {
                flex: 1;
                min-width: 140px;
            }

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

            .tier-card.featured {
                order: -1;
            }

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

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

            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .hero-trust {
                gap: 8px;
                flex-direction: column;
                align-items: flex-start;
            }

            .hero-trust span::before {
                display: none;
            }
        }

        /* focus 可访问性 */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(29, 92, 63, 0.4);
            outline-offset: 2px;
            border-radius: 4px;
        }

/* roulang page: article */
:root {
            --primary: #1D5C3F;
            --primary-rgb: 29, 92, 63;
            --primary-dark: #14432F;
            --accent: #D9A13B;
            --accent-dark: #B8872F;
            --bg: #FAF8F4;
            --bg-dark: #14271E;
            --text: #2B2B2B;
            --text-secondary: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E7EB;
            --card-border: #EFEFEF;
            --white: #FFFFFF;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-btn: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.10);
            --shadow-gold: 0 2px 4px rgba(209, 161, 59, 0.25);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

        ul,
        ol {
            list-style: none;
        }

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        :focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ===== 导航 ===== */
        .site-nav {
            position: fixed;
            top: 12px;
            left: 12px;
            right: 12px;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.6);
            border-radius: var(--radius-pill);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
        }

        .nav-inner {
            max-width: 1200px;
            margin: 0 auto;
            height: 56px;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 18px;
            color: var(--text);
            white-space: nowrap;
        }

        .nav-logo svg {
            width: 30px;
            height: 30px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .brand-mark {
            color: var(--accent);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            height: 36px;
            padding: 0 14px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            color: #4B5563;
            font-weight: 500;
            transition: all 0.25s ease;
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(29, 92, 63, 0.06);
        }

        .nav-link.active {
            color: var(--primary);
            background: rgba(29, 92, 63, 0.10);
            font-weight: 600;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 36px;
            padding: 0 20px;
            border-radius: var(--radius-pill);
            background: var(--primary);
            color: var(--white);
            font-size: 14px;
            font-weight: 500;
            transition: background 0.25s ease, transform 0.25s ease;
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            width: 36px;
            height: 36px;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--text);
        }

        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.05);
        }

        /* ===== 文章头部 ===== */
        .article-hero {
            position: relative;
            padding: 170px 0 56px;
            background-size: cover;
            background-position: center;
            background-color: var(--bg-dark);
        }

        .article-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(20, 39, 30, 0.78) 0%, rgba(20, 39, 30, 0.55) 100%);
        }

        .article-hero .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: color 0.2s;
        }

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

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

        .breadcrumb .current {
            color: var(--accent);
            max-width: 180px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-title {
            font-size: 36px;
            font-weight: 700;
            color: var(--white);
            line-height: 1.3;
            margin-bottom: 16px;
            max-width: 860px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            height: 26px;
            padding: 0 12px;
            background: var(--accent);
            color: #1F2937;
            font-size: 13px;
            font-weight: 600;
            border-radius: var(--radius-pill);
        }

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

        .meta-item svg {
            width: 14px;
            height: 14px;
            opacity: 0.7;
        }

        /* ===== 正文区 ===== */
        .article-section {
            padding: 64px 0 56px;
        }

        .article-body {
            max-width: 720px;
            margin: 0 auto;
            font-size: 16px;
            line-height: 1.85;
            color: var(--text);
        }

        .article-body h1,
        .article-body h2 {
            font-size: 24px;
            font-weight: 600;
            margin: 2em 0 0.6em;
            padding-left: 14px;
            border-left: 3px solid var(--primary);
        }

        .article-body h3 {
            font-size: 20px;
            font-weight: 600;
            margin: 1.5em 0 0.5em;
        }

        .article-body h4 {
            font-size: 17px;
            font-weight: 600;
            margin: 1.2em 0 0.5em;
        }

        .article-body p {
            margin-bottom: 1.2em;
        }

        .article-body img {
            max-width: 100%;
            border-radius: 12px;
            margin: 24px auto;
            display: block;
        }

        .article-body blockquote {
            margin: 24px 0;
            padding: 16px 20px;
            background: #F3F4F6;
            border-left: 3px solid var(--primary);
            border-radius: 0 8px 8px 0;
            color: #4B5563;
        }

        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

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

        .article-body ul,
        .article-body ol {
            margin: 0 0 1.2em 1.5em;
        }

        .article-body li {
            margin-bottom: 0.5em;
        }

        .article-body code {
            background: #F3F4F6;
            border-radius: 4px;
            padding: 2px 6px;
            font-size: 0.9em;
        }

        .article-body pre {
            background: #14271E;
            color: #E5E7EB;
            padding: 16px 20px;
            border-radius: 10px;
            overflow-x: auto;
            margin: 24px 0;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
        }

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

        .article-body th {
            background: #F3F4F6;
            font-weight: 600;
        }

        /* ===== 上一篇 / 下一篇 ===== */
        .post-pagination {
            max-width: 720px;
            margin: 56px auto 0;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            display: flex;
            justify-content: space-between;
            gap: 16px;
        }

        .pp-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 20px;
            border-radius: 10px;
            background: var(--white);
            border: 1px solid var(--card-border);
            box-shadow: var(--shadow-card);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all 0.25s ease;
        }

        .pp-link:hover {
            color: var(--primary);
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .pp-disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        .pp-disabled:hover {
            color: var(--text-secondary);
            border-color: var(--card-border);
            box-shadow: var(--shadow-card);
            transform: none;
        }

        .pp-arrow {
            font-size: 16px;
            line-height: 1;
        }

        /* ===== 空态 ===== */
        .article-empty {
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
            padding: 80px 40px;
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--card-border);
            box-shadow: var(--shadow-card);
        }

        .empty-icon {
            width: 96px;
            height: 96px;
            margin: 0 auto 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            background: var(--bg);
            border-radius: 50%;
        }

        .empty-icon svg {
            width: 48px;
            height: 48px;
        }

        .article-empty p {
            font-size: 18px;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        /* ===== 相关阅读 ===== */
        .related-section {
            padding: 72px 0;
            background: var(--white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-title {
            font-size: 28px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 32px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .section-title::after {
            content: "";
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

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

        .rel-card {
            background: var(--bg);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--card-border);
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

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

        .rel-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #EEEEEE;
        }

        .rel-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }

        .rel-card:hover .rel-cover img {
            transform: scale(1.03);
        }

        .rel-info {
            padding: 20px 24px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .rel-info h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .rel-card:hover .rel-info h3 {
            color: var(--primary);
        }

        .rel-date {
            font-size: 13px;
            color: var(--text-light);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--bg-dark);
        }

        .cta-box {
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-box h2 {
            font-size: 32px;
            color: var(--white);
            font-weight: 600;
            margin-bottom: 12px;
        }

        .cta-box p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 32px;
            line-height: 1.7;
        }

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

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            background: var(--primary);
            color: var(--white);
            font-size: 15px;
            font-weight: 500;
            transition: all 0.25s ease;
            border: none;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            border-radius: 12px;
            background: var(--accent);
            color: #1F2937;
            font-size: 15px;
            font-weight: 600;
            border: 2px solid rgba(209, 161, 59, 0.3);
            transition: all 0.25s ease;
        }

        .btn-gold:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            border-radius: 12px;
            background: transparent;
            color: var(--white);
            font-size: 15px;
            font-weight: 500;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            transition: all 0.25s ease;
        }

        .btn-outline-light:hover {
            background: var(--primary);
            border-color: var(--primary);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: #CBD5E1;
            padding: 64px 32px 0;
        }

        .footer-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
        }

        .footer-logo svg {
            width: 30px;
            height: 30px;
            color: var(--accent);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: #94A3B8;
            max-width: 320px;
        }

        .footer-nav h4,
        .footer-contact h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 16px;
        }

        .footer-nav ul,
        .footer-contact ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-nav a {
            font-size: 14px;
            color: #94A3B8;
            transition: color 0.2s;
        }

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

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: #94A3B8;
            line-height: 1.5;
        }

        .footer-contact svg {
            width: 16px;
            height: 16px;
            flex-shrink: 0;
            margin-top: 3px;
            color: var(--accent);
        }

        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
            font-size: 12px;
            color: #6B7280;
        }

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

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

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }

            .nav-menu {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.97);
                backdrop-filter: blur(10px);
                border-radius: 16px;
                box-shadow: var(--shadow-hover);
                padding: 12px;
                flex-direction: column;
                gap: 4px;
            }

            .nav-menu.open {
                display: flex;
            }

            .nav-link {
                width: 100%;
                height: 44px;
                justify-content: center;
            }

            .nav-cta {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .article-hero {
                padding: 150px 0 40px;
            }

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

            .article-meta {
                gap: 10px;
            }

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

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

            .post-pagination {
                flex-direction: column;
            }

            .pp-link {
                justify-content: center;
            }
        }

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

            .nav-inner {
                padding: 0 16px;
            }

            .article-title {
                font-size: 22px;
            }

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

            .cta-actions {
                flex-direction: column;
                width: 100%;
            }

            .cta-actions a {
                width: 100%;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1D5C3F;
            --primary-light: #2A7A52;
            --accent: #D9A13B;
            --accent-dark: #B8872F;
            --bg: #FAF8F4;
            --dark: #14271E;
            --ink: #2B2B2B;
            --ink-soft: #6B7280;
            --ink-faint: #9CA3AF;
            --border: #E5E7EB;
            --card-border: #EFEFEF;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --shadow-card: 0 1px 3px rgba(0,0,0,0.08);
            --shadow-hover: 0 8px 20px rgba(0,0,0,0.10);
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            background: var(--bg);
            color: var(--ink);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a { text-decoration: none; color: inherit; transition: color .25s ease; }
        img { max-width: 100%; display: block; }
        button { background: none; border: none; cursor: pointer; font: inherit; }
        input, textarea, select { font: inherit; outline: none; }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ===== 导航 ===== */
        .site-nav {
            position: fixed;
            top: 12px;
            left: 12px;
            right: 12px;
            z-index: 1000;
            background: rgba(255,255,255,0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: 999px;
            box-shadow: 0 4px 24px rgba(0,0,0,0.07);
            max-width: 1200px;
            margin: 0 auto;
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            height: 60px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 700;
            color: var(--dark);
            white-space: nowrap;
        }
        .nav-logo svg {
            width: 34px;
            height: 34px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .nav-logo .brand-mark {
            color: var(--accent);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 2px;
        }
        .nav-link {
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 15px;
            color: #4B5563;
            transition: all .25s ease;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(29,92,63,0.06);
        }
        .nav-link.active {
            background: rgba(29,92,63,0.12);
            color: var(--primary);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 38px;
            padding: 0 24px;
            background: var(--primary);
            color: #fff;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            transition: background .3s ease;
            white-space: nowrap;
        }
        .nav-cta:hover { background: var(--primary-light); color: #fff; }
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            color: var(--dark);
            transition: background .2s;
        }
        .nav-toggle:hover { background: rgba(0,0,0,0.06); }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            padding: 180px 0 90px;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20,39,30,0.92) 0%, rgba(20,39,30,0.78) 55%, rgba(29,92,63,0.55) 100%);
        }
        .page-hero .container { position: relative; z-index: 2; }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: rgba(217,161,59,0.18);
            border: 1px solid rgba(217,161,59,0.35);
            border-radius: 999px;
            color: #F0D49A;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.02em;
        }
        .hero-title {
            font-size: 40px;
            font-weight: 700;
            color: #fff;
            line-height: 1.25;
            margin: 22px 0 16px;
        }
        .hero-title .highlight { color: var(--accent); }
        .hero-sub {
            font-size: 18px;
            line-height: 1.7;
            color: rgba(255,255,255,0.85);
            max-width: 560px;
            margin-bottom: 32px;
        }
        .hero-ctas {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 32px;
            background: var(--accent);
            color: #1F2937;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 600;
            border: 2px solid var(--accent);
            transition: all .3s ease;
        }
        .btn-gold:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(217,161,59,0.35);
        }
        .btn-ghost-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 32px;
            background: transparent;
            color: #fff;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 500;
            border: 1.5px solid rgba(255,255,255,0.6);
            transition: all .3s ease;
        }
        .btn-ghost-light:hover {
            background: rgba(255,255,255,0.12);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .hero-trust {
            display: flex;
            gap: 20px;
            margin-top: 40px;
            flex-wrap: wrap;
        }
        .hero-trust span {
            font-size: 13px;
            color: rgba(255,255,255,0.75);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .hero-trust span::before {
            content: '';
            width: 4px;
            height: 4px;
            background: var(--accent);
            border-radius: 50%;
        }

        /* ===== 区块通用 ===== */
        .section {
            padding: 96px 0;
        }
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 56px;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
        }
        .section-head h2::after {
            content: '';
            display: block;
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            margin: 14px auto 0;
        }
        .section-head p {
            font-size: 16px;
            color: var(--ink-soft);
            line-height: 1.7;
            margin-top: 14px;
        }

        /* ===== 合作领域卡片 ===== */
        .coop-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }
        .coop-card {
            background: #fff;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--card-border);
            transition: box-shadow .35s ease, transform .35s ease;
        }
        .coop-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .coop-card-img {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #EEEEEE;
        }
        .coop-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .coop-card:hover .coop-card-img img { transform: scale(1.04); }
        .coop-card-body {
            padding: 28px 30px 32px;
        }
        .coop-card-body h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .coop-card-body h3 .dot {
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            flex-shrink: 0;
        }
        .coop-card-body p {
            font-size: 15px;
            color: var(--ink-soft);
            line-height: 1.75;
            margin-bottom: 20px;
        }
        .coop-card-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .25s ease;
        }
        .coop-card-link:hover { gap: 10px; }
        .coop-card-link svg { width: 16px; height: 16px; }

        /* ===== 适用场景深色区 ===== */
        .scenario-section {
            background: var(--dark);
            padding: 96px 0;
            position: relative;
            overflow: hidden;
        }
        .scenario-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(29,92,63,0.3);
            filter: blur(80px);
        }
        .scenario-section .section-head h2 { color: #fff; }
        .scenario-section .section-head p { color: rgba(255,255,255,0.7); }
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            z-index: 2;
        }
        .scenario-item {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 16px;
            padding: 32px 24px;
            text-align: center;
            transition: background .3s ease, transform .3s ease, border-color .3s ease;
        }
        .scenario-item:hover {
            background: rgba(255,255,255,0.1);
            border-color: rgba(217,161,59,0.4);
            transform: translateY(-4px);
        }
        .scenario-item .icon-wrap {
            width: 52px;
            height: 52px;
            margin: 0 auto 18px;
            border-radius: 14px;
            background: rgba(217,161,59,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
        }
        .scenario-item .icon-wrap svg { width: 26px; height: 26px; }
        .scenario-item h3 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }
        .scenario-item p {
            font-size: 14px;
            color: rgba(255,255,255,0.6);
            line-height: 1.6;
        }

        /* ===== 合作流程 ===== */
        .flow-section { background: #fff; }
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            position: relative;
        }
        .flow-steps::before {
            content: '';
            position: absolute;
            top: 32px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), var(--primary));
            border-radius: 2px;
            opacity: 0.3;
        }
        .flow-step {
            text-align: center;
            position: relative;
            padding: 0 12px;
        }
        .flow-step .step-num {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            border-radius: 50%;
            background: var(--bg);
            border: 2px solid var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 700;
            color: var(--accent-dark);
            position: relative;
            z-index: 2;
            transition: background .3s, color .3s;
        }
        .flow-step:hover .step-num {
            background: var(--accent);
            color: #fff;
        }
        .flow-step h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 6px;
        }
        .flow-step p {
            font-size: 14px;
            color: var(--ink-soft);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-section { background: var(--bg); }
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 24px 0;
        }
        .faq-item:first-child { border-top: 1px solid var(--border); }
        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            transition: color .25s;
            padding: 4px 0;
        }
        .faq-q:hover { color: var(--primary); }
        .faq-icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            transition: transform .3s ease;
            color: var(--accent);
        }
        .faq-item.open .faq-icon { transform: rotate(45deg); }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease, padding .4s ease;
            font-size: 15px;
            color: var(--ink-soft);
            line-height: 1.75;
            padding-right: 20px;
        }
        .faq-item.open .faq-a {
            max-height: 300px;
            padding-top: 12px;
            padding-bottom: 4px;
        }

        /* ===== CTA / 表单 ===== */
        .contact-section {
            background: linear-gradient(135deg, var(--dark) 0%, #1D3A2B 100%);
            padding: 96px 0;
            position: relative;
            overflow: hidden;
        }
        .contact-section::before {
            content: '';
            position: absolute;
            bottom: -120px;
            left: -80px;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: rgba(217,161,59,0.1);
            filter: blur(70px);
        }
        .contact-section .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
        }
        .contact-info h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .contact-info h2 .highlight { color: var(--accent); }
        .contact-info > p {
            font-size: 16px;
            color: rgba(255,255,255,0.7);
            line-height: 1.7;
            margin-bottom: 36px;
        }
        .contact-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .contact-list li {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 15px;
            color: rgba(255,255,255,0.85);
        }
        .contact-list li svg {
            width: 20px;
            height: 20px;
            color: var(--accent);
            flex-shrink: 0;
        }
        .contact-form {
            background: #fff;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 20px 48px rgba(0,0,0,0.2);
        }
        .contact-form h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 24px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink);
            margin-bottom: 6px;
        }
        .form-group label .req { color: #DC2626; }
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            height: 46px;
            background: #fff;
            border: 1px solid #D1D5DB;
            border-radius: 8px;
            padding: 0 14px;
            font-size: 14px;
            color: var(--ink);
            transition: border-color .25s, box-shadow .25s;
        }
        .form-group textarea {
            height: 120px;
            padding: 12px 14px;
            resize: vertical;
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(29,92,63,0.15);
        }
        .btn-submit {
            width: 100%;
            height: 48px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            transition: background .3s ease, transform .15s ease;
            margin-top: 8px;
        }
        .btn-submit:hover { background: var(--primary-light); }
        .btn-submit:active { transform: scale(0.98); }
        .form-privacy {
            font-size: 12px;
            color: var(--ink-faint);
            text-align: center;
            margin-top: 14px;
            line-height: 1.6;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark);
            color: #CBD5E1;
            padding: 64px 32px 0;
        }
        .footer-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-logo svg {
            width: 30px;
            height: 30px;
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(203,213,225,0.75);
            max-width: 320px;
        }
        .footer-nav h4,
        .footer-contact h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-nav ul,
        .footer-contact ul {
            list-style: none;
        }
        .footer-nav li,
        .footer-contact li {
            margin-bottom: 10px;
            font-size: 14px;
            color: rgba(203,213,225,0.75);
        }
        .footer-nav li a {
            transition: color .25s;
        }
        .footer-nav li a:hover { color: var(--accent); }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-contact li svg {
            width: 16px;
            height: 16px;
            color: var(--accent);
            flex-shrink: 0;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 20px 0;
            text-align: center;
            max-width: 1200px;
            margin: 0 auto;
        }
        .footer-bottom p {
            font-size: 12px;
            color: var(--ink-faint);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .scenario-grid { grid-template-columns: repeat(2, 1fr); }
            .flow-steps { grid-template-columns: repeat(2, 1fr); gap: 40px 24px; }
            .flow-steps::before { display: none; }
        }
        @media (max-width: 991px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: calc(100% + 12px);
                left: 12px;
                right: 12px;
                background: #fff;
                border-radius: 20px;
                box-shadow: 0 16px 40px rgba(0,0,0,0.15);
                padding: 16px;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                border: 1px solid var(--border);
            }
            .nav-menu.open { display: flex; }
            .nav-link {
                padding: 12px 20px;
                border-radius: 12px;
            }
            .nav-cta { display: none; }
            .nav-toggle { display: flex; }
            .contact-section .container {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .contact-form { padding: 32px; }
        }
        @media (max-width: 768px) {
            .section { padding: 64px 0; }
            .container { padding: 0 20px; }
            .hero-title { font-size: 30px; }
            .hero-sub { font-size: 16px; }
            .coop-grid { grid-template-columns: 1fr; }
            .section-head h2 { font-size: 26px; }
            .site-footer { padding: 48px 20px 0; }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 520px) {
            .site-nav { left: 8px; right: 8px; top: 8px; }
            .nav-inner { padding: 0 16px; height: 54px; }
            .nav-logo { font-size: 15px; }
            .nav-logo svg { width: 26px; height: 26px; }
            .nav-logo .brand-mark { display: inline; }
            .hero-ctas { flex-direction: column; width: 100%; }
            .btn-gold, .btn-ghost-light { width: 100%; max-width: 260px; }
            .scenario-grid { grid-template-columns: 1fr; }
            .flow-steps { grid-template-columns: 1fr; }
            .contact-form { padding: 24px 20px; }
            .footer-grid { gap: 24px; }
        }