/* roulang page: index */
:root {
  --primary: #0B1B3A;
  --primary-2: #0F2557;
  --gold: #C8A96A;
  --gold-light: #E3CD9C;
  --gold-dark: #A8894D;
  --teal: #2DD4BF;
  --bg-main: #0A1428;
  --bg-secondary: #101F3C;
  --bg-deeper: #060D1F;
  --text-main: #E8EDF7;
  --text-sub: #94A3B8;
  --text-disable: #475569;
  --border: rgba(255,255,255,0.10);
  --border-hover: rgba(255,255,255,0.18);
  --glass-bg: rgba(255,255,255,0.06);
  --radius-card: 16px;
  --radius-btn: 8px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 32px rgba(0,0,0,0.25);
  --shadow-card-hover: 0 16px 48px rgba(0,0,0,0.40);
  --glow-gold: 0 0 20px rgba(200,169,106,0.25);
  --glow-gold-hover: 0 0 28px rgba(200,169,106,0.45);
  --font: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --space-section: 96px;
  --transition: 0.25s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); background: var(--bg-main); color: var(--text-main); line-height: 1.7; font-size: 16px; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: var(--text-main); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--gold); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; position: relative; }
.section-header { display: flex; align-items: center; gap: 16px; margin-bottom: 48px; }
.section-title { font-size: 34px; font-weight: 700; line-height: 1.3; position: relative; padding-left: 18px; }
.section-title::before { content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 4px; height: 70%; background: var(--gold); border-radius: 4px; }
.section-subtitle { color: var(--text-sub); font-size: 16px; margin-top: 8px; max-width: 720px; }

/* 按钮 */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: var(--radius-btn); font-weight: 600; font-size: 15px; padding: 12px 28px; border: 1px solid transparent; cursor: pointer; transition: all var(--transition); line-height: 1.4; text-align: center; }
.btn-gold { background: linear-gradient(135deg, var(--gold-light), var(--gold), var(--gold-dark)); color: #0A1428; box-shadow: var(--glow-gold); }
.btn-gold:hover { color: #0A1428; transform: translateY(-2px); box-shadow: var(--glow-gold-hover); filter: brightness(1.05); }
.btn-gold:active { transform: scale(0.97); }
.btn-gold:focus-visible { outline: 2px solid var(--gold-light); outline-offset: 2px; }
.btn-ghost { background: var(--glass-bg); color: var(--text-main); border-color: var(--border); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-2px); background: rgba(255,255,255,0.10); }
.btn-ghost:active { transform: scale(0.97); }
.btn-ghost:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

/* 标签 */
.badge { display: inline-block; padding: 4px 14px; border-radius: var(--radius-pill); font-size: 12px; font-weight: 600; color: var(--gold-light); border: 1px solid rgba(200,169,106,0.4); background: rgba(200,169,106,0.1); }
.badge-solid { background: linear-gradient(135deg, var(--gold-light), var(--gold-dark)); color: #0A1428; border: none; }

/* 玻璃卡片 */
.glass-card { background: var(--glass-bg); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border: 1px solid var(--border); border-radius: var(--radius-card); box-shadow: var(--shadow-card); }

/* ===== 导航 ===== */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(10,20,40,0.85); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); transition: background var(--transition), box-shadow var(--transition); }
.site-header.scrolled { background: rgba(7,15,30,0.95); box-shadow: 0 1px 0 rgba(200,169,106,0.2); }
.header-top { border-bottom: 1px solid rgba(255,255,255,0.05); }
.header-top .container { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 20px; }
.brand-logo { display: flex; align-items: center; gap: 12px; font-size: 18px; font-weight: 700; letter-spacing: 0.5px; color: var(--text-main); white-space: nowrap; }
.brand-logo .logo-icon { width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, rgba(200,169,106,0.25), rgba(200,169,106,0.1)); border: 1px solid rgba(200,169,106,0.4); display: flex; align-items: center; justify-content: center; font-size: 16px; color: var(--gold); flex-shrink: 0; }
.brand-logo:hover { color: var(--text-main); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.search-box { display: flex; align-items: center; background: rgba(0,0,0,0.3); border: 1px solid var(--border); border-radius: var(--radius-btn); overflow: hidden; transition: border-color var(--transition); width: 260px; }
.search-box:focus-within { border-color: var(--gold); }
.search-box input { flex: 1; background: transparent; border: none; padding: 8px 14px; font-size: 14px; color: var(--text-main); outline: none; }
.search-box input::placeholder { color: var(--text-disable); }
.search-box button { background: transparent; border: none; padding: 0 12px; color: var(--text-sub); cursor: pointer; transition: color var(--transition); }
.search-box button:hover { color: var(--gold); }
.header-actions .btn { padding: 9px 20px; font-size: 14px; }
.hamburger { display: none; flex-direction: column; gap: 5px; background: transparent; border: none; cursor: pointer; padding: 8px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text-main); border-radius: 2px; transition: all var(--transition); }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.header-tabs { transition: background var(--transition); }
.header-tabs .container { display: flex; align-items: center; gap: 12px; height: 48px; overflow-x: auto; scrollbar-width: none; }
.header-tabs .container::-webkit-scrollbar { display: none; }
.nav-tab { flex-shrink: 0; padding: 6px 18px; border-radius: var(--radius-pill); font-size: 14px; font-weight: 500; color: var(--text-sub); border: 1px solid transparent; transition: all var(--transition); white-space: nowrap; }
.nav-tab:hover { color: var(--gold); border-color: rgba(200,169,106,0.3); }
.nav-tab.active { background: linear-gradient(135deg, var(--gold-light), var(--gold-dark)); color: #0A1428; font-weight: 600; box-shadow: var(--glow-gold); }

/* ===== Hero ===== */
.hero { position: relative; min-height: 85vh; min-height: 620px; display: flex; align-items: center; padding: 160px 0 80px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-1.webp'); background-size: cover; background-position: center; z-index: 0; }
.hero-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,20,40,0.35), rgba(10,20,40,0.7) 70%, #0A1428 100%); }
.hero .container { position: relative; z-index: 2; display: flex; align-items: center; gap: 60px; }
.hero-content { flex: 0 0 60%; max-width: 60%; }
.hero-title { font-size: 50px; font-weight: 700; line-height: 1.25; margin-bottom: 24px; letter-spacing: 1px; }
.hero-title .highlight { color: var(--gold-light); }
.hero-subtitle { font-size: 19px; color: var(--text-sub); margin-bottom: 40px; line-height: 1.8; max-width: 520px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-visual { flex: 1; max-width: 40%; display: flex; justify-content: flex-end; position: relative; }
.hero-float-card { width: 320px; padding: 28px; }
.hero-float-card .float-title { font-size: 16px; font-weight: 600; color: var(--gold-light); margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.hero-float-card .float-title::before { content: '◆'; font-size: 10px; }
.hero-float-card ul li { font-size: 14px; color: var(--text-sub); padding: 6px 0; display: flex; align-items: center; gap: 10px; }
.hero-float-card ul li::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); flex-shrink: 0; }
.hero-float-card .float-note { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); font-size: 13px; color: var(--text-disable); }
.hero-scroll { position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); color: var(--text-sub); font-size: 13px; letter-spacing: 2px; z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.hero-scroll::after { content: ''; width: 1px; height: 32px; background: var(--border); }

/* ===== 信任指标 ===== */
.stats-section { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg-secondary); }
.stats-section .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; padding-top: 48px; padding-bottom: 48px; }
.stat-item { text-align: center; position: relative; }
.stat-item:not(:last-child)::after { content: ''; position: absolute; right: -20px; top: 50%; transform: translateY(-50%); width: 1px; height: 44px; background: var(--border); }
.stat-number { font-size: 42px; font-weight: 700; color: var(--gold-light); font-variant-numeric: tabular-nums; line-height: 1.2; margin-bottom: 8px; }
.stat-label { font-size: 14px; color: var(--text-sub); }

/* ===== 优惠阶梯 ===== */
.tiers-section { background: linear-gradient(180deg, var(--bg-main), var(--bg-secondary)); }
.tiers-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; align-items: stretch; }
.tier-card { padding: 36px 32px; position: relative; display: flex; flex-direction: column; transition: all var(--transition); }
.tier-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card-hover); border-color: var(--border-hover); }
.tier-card.muted { background: rgba(255,255,255,0.03); opacity: 0.75; }
.tier-card.muted:hover { opacity: 1; }
.tier-card.featured { border-color: rgba(200,169,106,0.5); box-shadow: var(--glow-gold), var(--shadow-card); transform: scale(1.03); background: linear-gradient(180deg, rgba(200,169,106,0.08), rgba(255,255,255,0.04)); }
.tier-card.featured:hover { transform: scale(1.03) translateY(-4px); box-shadow: var(--glow-gold-hover), var(--shadow-card-hover); }
.tier-badge { position: absolute; top: -13px; right: 24px; }
.tier-name { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.tier-desc { font-size: 14px; color: var(--text-sub); margin-bottom: 24px; }
.tier-benefits { flex: 1; margin-bottom: 28px; }
.tier-benefits li { padding: 8px 0; font-size: 14px; color: var(--text-main); display: flex; align-items: flex-start; gap: 10px; }
.tier-benefits li::before { content: '✓'; color: var(--gold); font-weight: 700; flex-shrink: 0; }
.tier-featured .tier-benefits li::before { color: var(--teal); }
.tier-price { text-align: center; margin-bottom: 20px; }
.tier-price .price-num { font-size: 40px; font-weight: 700; color: var(--gold-light); font-variant-numeric: tabular-nums; }
.tier-price .price-unit { font-size: 14px; color: var(--text-sub); margin-left: 4px; }
.tier-card .btn { width: 100%; }

/* ===== 套餐对比 ===== */
.compare-section { background: var(--bg-secondary); }
.compare-table { width: 100%; border-collapse: collapse; border-radius: var(--radius-card); overflow: hidden; }
.compare-table th, .compare-table td { padding: 16px 20px; text-align: center; font-size: 14px; }
.compare-table thead th { background: rgba(0,0,0,0.3); color: var(--text-sub); font-weight: 600; padding: 20px; }
.compare-table thead th.plan-name { font-size: 17px; font-weight: 700; color: var(--text-main); position: relative; }
.compare-table thead th.hot { background: linear-gradient(180deg, rgba(200,169,106,0.2), rgba(0,0,0,0.3)); }
.compare-table thead th.hot .badge { margin-top: 6px; }
.compare-table tbody tr:nth-child(odd) td { background: rgba(255,255,255,0.03); }
.compare-table tbody tr:nth-child(even) td { background: rgba(255,255,255,0.06); }
.compare-table td.row-label { text-align: left; color: var(--text-sub); font-weight: 500; }
.compare-table td.check-yes { color: var(--gold); font-size: 18px; }
.compare-table td.check-no { color: var(--text-disable); font-size: 14px; }
.compare-table td.plan-cell { background: rgba(200,169,106,0.05); }
.compare-note { margin-top: 24px; font-size: 13px; color: var(--text-disable); text-align: center; }

/* ===== 限时入口 ===== */
.limited-section { position: relative; overflow: hidden; }
.limited-bg { position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-2.webp'); background-size: cover; background-position: center; z-index: 0; }
.limited-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(10,20,40,0.9), rgba(15,37,87,0.7), rgba(200,169,106,0.2)); }
.limited-content { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 48px 0; flex-wrap: wrap; }
.limited-left { flex: 1; min-width: 300px; }
.limited-tag { display: inline-block; background: rgba(200,169,106,0.15); border: 1px solid rgba(200,169,106,0.4); color: var(--gold-light); padding: 6px 16px; border-radius: var(--radius-pill); font-size: 13px; font-weight: 600; margin-bottom: 16px; }
.limited-title { font-size: 32px; font-weight: 700; margin-bottom: 12px; }
.limited-desc { color: var(--text-sub); font-size: 16px; margin-bottom: 24px; max-width: 420px; }
.countdown { display: flex; gap: 12px; margin-bottom: 24px; }
.countdown-item { background: var(--glass-bg); backdrop-filter: blur(16px); border: 1px solid var(--border); border-radius: var(--radius-btn); padding: 12px 10px; text-align: center; min-width: 72px; }
.countdown-item .num { font-size: 32px; font-weight: 700; color: var(--gold-light); font-variant-numeric: tabular-nums; line-height: 1.2; }
.countdown-item .unit { font-size: 12px; color: var(--text-sub); margin-top: 4px; }

/* ===== 资讯列表 ===== */
.news-section { background: var(--bg-main); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { display: flex; flex-direction: column; background: var(--glass-bg); backdrop-filter: blur(16px); border: 1px solid var(--border); border-radius: var(--radius-card); overflow: hidden; transition: all var(--transition); }
.news-card:hover { transform: translateY(-4px); border-color: var(--border-hover); box-shadow: var(--shadow-card-hover); }
.news-card-img { width: 100%; aspect-ratio: 16/10; object-fit: cover; background: linear-gradient(135deg, #0F2557, #1A3A6B); }
.news-card-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.news-card-tag { align-self: flex-start; margin-bottom: 12px; }
.news-card-title { font-size: 17px; font-weight: 700; line-height: 1.4; margin-bottom: 12px; transition: color var(--transition); }
.news-card:hover .news-card-title { color: var(--gold-light); }
.news-card-excerpt { font-size: 14px; color: var(--text-sub); line-height: 1.6; margin-bottom: 20px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex: 1; }
.news-card-meta { display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: var(--text-disable); border-top: 1px solid var(--border); padding-top: 16px; }
.news-card-link { color: var(--gold); font-weight: 500; transition: all var(--transition); }
.news-card:hover .news-card-link { padding-left: 4px; }
.news-empty { grid-column: 1 / -1; text-align: center; padding: 48px; font-size: 15px; color: var(--text-sub); background: var(--glass-bg); border: 1px solid var(--border); border-radius: var(--radius-card); }

/* ===== FAQ ===== */
.faq-section { background: linear-gradient(180deg, var(--bg-secondary), var(--bg-main)); }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { margin-bottom: 12px; border: 1px solid var(--border); border-radius: var(--radius-card); background: var(--glass-bg); backdrop-filter: blur(12px); overflow: hidden; transition: border-color var(--transition); }
.faq-item.active { border-color: rgba(200,169,106,0.5); }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; background: transparent; border: none; cursor: pointer; font-size: 15px; font-weight: 600; color: var(--text-main); text-align: left; gap: 16px; }
.faq-question:hover { color: var(--gold-light); }
.faq-question .faq-icon { width: 20px; height: 20px; flex-shrink: 0; position: relative; transition: transform 0.2s ease; }
.faq-question .faq-icon::before, .faq-question .faq-icon::after { content: ''; position: absolute; background: var(--gold); border-radius: 2px; transition: all 0.2s ease; }
.faq-question .faq-icon::before { width: 14px; height: 2px; top: 9px; left: 3px; }
.faq-question .faq-icon::after { width: 2px; height: 14px; top: 3px; left: 9px; }
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease; padding: 0 24px; }
.faq-item.active .faq-answer { max-height: 300px; padding: 0 24px 24px; border-top: 1px solid rgba(200,169,106,0.15); }
.faq-answer p { font-size: 14px; color: var(--text-sub); line-height: 1.8; padding-top: 20px; }

/* ===== 表单 ===== */
.contact-section { background: linear-gradient(180deg, var(--bg-main), var(--bg-secondary)); }
.contact-form-wrap { max-width: 640px; margin: 0 auto; padding: 48px 40px; }
.contact-form-wrap .section-header { justify-content: center; text-align: center; margin-bottom: 32px; }
.contact-form-wrap .section-title { padding-left: 0; }
.contact-form-wrap .section-title::before { display: none; }
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 8px; color: var(--text-main); }
.form-control { width: 100%; background: rgba(0,0,0,0.3); border: 1px solid var(--border); border-radius: var(--radius-btn); padding: 12px 16px; font-size: 15px; color: var(--text-main); transition: border-color var(--transition), box-shadow var(--transition); outline: none; }
.form-control:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(200,169,106,0.15); }
.form-control::placeholder { color: var(--text-disable); }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394A3B8' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; }
select.form-control option { background: #101F3C; color: var(--text-main); }
textarea.form-control { resize: vertical; min-height: 100px; }
.form-error .form-control { border-color: #EF4444; }
.form-error-msg { display: none; font-size: 12px; color: #EF4444; margin-top: 6px; }
.form-error .form-error-msg { display: block; }
.form-success { display: none; background: rgba(16,185,129,0.15); border: 1px solid rgba(16,185,129,0.3); color: #10B981; padding: 14px 16px; border-radius: var(--radius-btn); font-size: 14px; margin-bottom: 20px; text-align: center; }
.form-success.show { display: block; }
.form-submit { width: 100%; height: 48px; font-size: 16px; }
.form-privacy { text-align: center; font-size: 12px; color: var(--text-disable); margin-top: 16px; line-height: 1.6; }

/* ===== 页脚 ===== */
.site-footer { background: var(--bg-deeper); border-top: 1px solid rgba(200,169,106,0.15); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 48px; }
.footer-brand .brand-logo { margin-bottom: 16px; }
.footer-desc { font-size: 14px; color: var(--text-sub); line-height: 1.8; margin-bottom: 20px; max-width: 320px; }
.social-links { display: flex; gap: 12px; }
.social-link { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; color: var(--text-sub); font-size: 14px; transition: all var(--transition); background: rgba(255,255,255,0.02); }
.social-link:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-2px); box-shadow: var(--glow-gold); }
.footer-title { font-size: 15px; font-weight: 600; margin-bottom: 20px; color: var(--text-main); position: relative; padding-bottom: 10px; }
.footer-title::after { content: ''; position: absolute; left: 0; bottom: 0; width: 24px; height: 2px; background: var(--gold); border-radius: 2px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 14px; color: var(--text-sub); transition: all var(--transition); }
.footer-links a:hover { color: var(--gold); padding-left: 4px; }
.footer-contact li { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 14px; font-size: 14px; color: var(--text-sub); }
.footer-contact li::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); margin-top: 8px; flex-shrink: 0; }
.footer-contact a { color: var(--text-sub); }
.footer-contact a:hover { color: var(--gold); }
.footer-bottom { border-top: 1px solid var(--border); padding: 20px 0; text-align: center; }
.footer-bottom p { font-size: 13px; color: var(--text-disable); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero-content { flex: 0 0 55%; }
  .hero-visual { flex: 0 0 45%; }
  .hero-float-card { width: 260px; padding: 22px; }
  .tiers-grid { grid-template-columns: 1fr 1fr; }
  .tier-card.featured { grid-column: span 2; order: -1; transform: none; }
  .tier-card.featured:hover { transform: translateY(-4px); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .compare-table { font-size: 13px; }
  .compare-table th, .compare-table td { padding: 14px 12px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .section-title { font-size: 26px; }
  .search-box { display: none; }
  .header-actions .btn-gold { padding: 9px 16px; }
  .hamburger { display: flex; }
  .hero { min-height: 70vh; padding: 120px 0 60px; }
  .hero .container { flex-direction: column; gap: 32px; }
  .hero-content { flex: 1; max-width: 100%; text-align: center; }
  .hero-title { font-size: 34px; }
  .hero-subtitle { font-size: 16px; margin: 0 auto 32px; }
  .hero-actions { justify-content: center; }
  .hero-visual { max-width: 100%; justify-content: center; display: none; }
  .hero-float-card { position: static; width: 100%; max-width: 340px; }
  .stats-section .container { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .stat-item:not(:last-child)::after { display: none; }
  .tiers-grid { grid-template-columns: 1fr; }
  .tier-card.featured { grid-column: span 1; order: 0; }
  .tier-card.featured:hover { transform: none; }
  .tier-card.muted:hover { transform: none; }
  .news-grid { grid-template-columns: 1fr; }
  .compare-section { overflow-x: hidden; }
  .compare-table-wrap { overflow-x: auto; }
  .compare-table { min-width: 700px; }
  .limited-content { flex-direction: column; text-align: center; }
  .countdown { justify-content: center; }
  .contact-form-wrap { padding: 28px 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .header-tabs .container { height: 44px; }
  .nav-tab { padding: 5px 14px; font-size: 13px; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero { padding: 110px 0 40px; }
  .hero-title { font-size: 28px; }
  .stat-number { font-size: 30px; }
  .section-title { font-size: 22px; }
  .btn { padding: 11px 22px; font-size: 14px; }
  .countdown-item { min-width: 60px; }
  .countdown-item .num { font-size: 26px; }
  .tier-card { padding: 28px 20px; }
  .brand-logo { font-size: 15px; }
  .brand-logo .logo-icon { width: 32px; height: 32px; }
  .header-top .container { height: 56px; }
  .header-tabs .container { height: 40px; }
  .limited-title { font-size: 26px; }
}

/* ===== 无障碍 ===== */
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* roulang page: category1 */
/* ===== Design Variables ===== */
:root {
  --primary-900: #0A1428;
  --primary-800: #0B1B3A;
  --primary-700: #0F2557;
  --secondary-800: #101F3C;
  --gold: #C8A96A;
  --gold-light: #E0C68C;
  --gold-dark: #A8894D;
  --teal: #2DD4BF;
  --text-main: #E8EDF7;
  --text-sub: #94A3B8;
  --text-muted: #64748B;
  --disabled: #475569;
  --glass-bg: rgba(255, 255, 255, 0.06);
  --glass-bg-hover: rgba(255, 255, 255, 0.09);
  --border: rgba(255, 255, 255, 0.10);
  --border-hover: rgba(255, 255, 255, 0.18);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.25);
  --shadow-card-hover: 0 16px 48px rgba(0, 0, 0, 0.40);
  --glow-gold: 0 0 20px rgba(200, 169, 106, 0.25);
  --glow-gold-hover: 0 0 28px rgba(200, 169, 106, 0.45);
  --radius-lg: 16px;
  --radius-md: 8px;
  --radius-pill: 999px;
  --container-max: 1280px;
  --gap-section: 96px;
  --gap-section-mobile: 56px;
  --header-h: 112px;
  --header-h-mobile: 104px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--primary-900);
  color: var(--text-main);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  padding-top: var(--header-h);
  overflow-x: hidden;
}

a { color: var(--text-main); text-decoration: none; transition: color 0.25s ease; }
a:hover { color: var(--gold); }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
ul, ol { list-style: none; }
input, select, textarea { font-family: inherit; font-size: inherit; }
::selection { background: rgba(200, 169, 106, 0.35); color: #fff; }

/* ===== Container ===== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 32px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: all 0.25s ease;
  line-height: 1.2;
  white-space: nowrap;
}
.btn:focus-visible, a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}
.btn-gold {
  background: linear-gradient(135deg, var(--gold-light), var(--gold) 55%, var(--gold-dark));
  color: #1A1206;
  box-shadow: var(--glow-gold);
}
.btn-gold:hover {
  color: #1A1206;
  filter: brightness(1.08);
  transform: translateY(-2px);
  box-shadow: var(--glow-gold-hover);
}
.btn-gold:active { transform: scale(0.97); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--text-main);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.10);
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
}
.btn-ghost:active { transform: scale(0.97); }
.btn-block { display: flex; width: 100%; }
.btn-lg { padding: 16px 44px; font-size: 16px; }

/* ===== Badge ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  background: linear-gradient(135deg, rgba(200, 169, 106, 0.25), rgba(200, 169, 106, 0.12));
  border: 1px solid rgba(200, 169, 106, 0.35);
  color: var(--gold-light);
  line-height: 1.4;
  white-space: nowrap;
}
.badge-hot {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #1A1206;
  border: none;
  font-weight: 600;
}

/* ===== Header & Nav ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 20, 40, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease;
}
.site-header.scrolled {
  background: rgba(7, 15, 30, 0.95);
  border-bottom-color: rgba(200, 169, 106, 0.2);
}
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.5px;
  transition: color 0.25s;
}
.brand-logo:hover { color: var(--gold); }
.logo-icon {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(200, 169, 106, 0.45);
  color: var(--gold);
  font-size: 16px;
  box-shadow: 0 0 12px rgba(200, 169, 106, 0.15);
}
.header-actions { display: flex; align-items: center; gap: 12px; }
.header-search {
  position: relative;
  display: flex;
  align-items: center;
}
.header-search input {
  width: 220px;
  height: 38px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 0 38px 0 16px;
  color: var(--text-main);
  font-size: 14px;
  transition: border-color 0.25s;
}
.header-search input::placeholder { color: var(--text-sub); }
.header-search input:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(200, 169, 106, 0.12);
}
.header-search .search-icon {
  position: absolute;
  right: 14px;
  color: var(--text-sub);
  font-size: 14px;
  pointer-events: none;
}
.header-btn {
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--gold-light), var(--gold) 55%, var(--gold-dark));
  color: #1A1206;
  border: none;
  box-shadow: var(--glow-gold);
  transition: all 0.25s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.header-btn:hover {
  color: #1A1206;
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: var(--glow-gold-hover);
}
.header-btn:active { transform: scale(0.97); }
.header-toggle {
  display: none;
  width: 42px;
  height: 42px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 18px;
  align-items: center;
  justify-content: center;
  transition: all 0.25s;
}
.header-toggle:hover { border-color: var(--gold); color: var(--gold); }

.header-tabs {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  position: relative;
}
.header-tabs .container {
  display: flex;
  gap: 12px;
  padding-top: 8px;
  padding-bottom: 12px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.header-tabs .container::-webkit-scrollbar { display: none; }
.nav-tab {
  display: inline-flex;
  align-items: center;
  padding: 7px 20px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-sub);
  border: 1px solid transparent;
  transition: all 0.25s ease;
  white-space: nowrap;
  background: transparent;
  text-decoration: none;
}
.nav-tab:hover { color: var(--gold); border-color: rgba(200, 169, 106, 0.4); }
.nav-tab.active {
  background: linear-gradient(135deg, var(--gold-light), var(--gold) 60%, var(--gold-dark));
  color: #1A1206;
  font-weight: 600;
  box-shadow: var(--glow-gold);
  border-color: transparent;
}
.nav-fade-right {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 40px;
  background: linear-gradient(to right, transparent, var(--primary-900));
  pointer-events: none;
  display: none;
}

/* ===== Hero ===== */
.page-hero {
  position: relative;
  padding: 72px 0 64px;
  background: linear-gradient(180deg, var(--primary-700) 0%, var(--primary-900) 90%);
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.22;
  z-index: 0;
}
.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 37, 87, 0.2) 0%, var(--primary-900) 95%);
  z-index: 1;
}
.page-hero .container {
  position: relative;
  z-index: 2;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-sub);
  margin-bottom: 20px;
}
.breadcrumb a { color: var(--text-sub); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb .sep { opacity: 0.5; }
.breadcrumb .current { color: var(--gold); }
.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}
.hero-title {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.5px;
  color: var(--text-main);
  margin-bottom: 20px;
}
.hero-title .gold-text {
  color: var(--gold-light);
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 18px;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 560px;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-card-visual {
  position: relative;
}
.glass-card-feat {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-card);
}
.glass-card-feat .feat-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.feat-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(200, 169, 106, 0.15);
  border: 1px solid rgba(200, 169, 106, 0.4);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 17px;
}
.feat-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-main);
}
.feat-list { display: grid; gap: 12px; }
.feat-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  color: var(--text-main);
  line-height: 1.5;
}
.feat-list li i { color: var(--gold); font-size: 14px; margin-top: 4px; flex-shrink: 0; }

/* ===== Section Base ===== */
.section { padding: var(--gap-section) 0; position: relative; }
.section-alt { background: var(--secondary-800); }
.section-head {
  margin-bottom: 48px;
  max-width: 720px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--gold);
  letter-spacing: 1px;
  margin-bottom: 12px;
  font-weight: 500;
}
.section-kicker::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--gold);
  display: inline-block;
}
.section-head.center .section-kicker::before {
  display: none;
}
.section-title {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-main);
  position: relative;
  padding-left: 16px;
  margin-bottom: 16px;
}
.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--gold-light), var(--gold-dark));
}
.section-head.center .section-title { padding-left: 0; }
.section-head.center .section-title::before { display: none; }
.section-desc {
  font-size: 16px;
  color: var(--text-sub);
  line-height: 1.8;
}

/* ===== Value Props ===== */
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.value-card {
  background: var(--glass-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
}
.value-card:hover {
  transform: translateY(-4px);
  background: var(--glass-bg-hover);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-card-hover);
}
.value-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(200, 169, 106, 0.2), rgba(200, 169, 106, 0.06));
  border: 1px solid rgba(200, 169, 106, 0.3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 20px;
  margin-bottom: 18px;
}
.value-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 10px;
}
.value-card p {
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.7;
}

/* ===== Service Process ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: process;
}
.process-step {
  position: relative;
  background: var(--glass-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px 28px;
  text-align: center;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: all 0.3s ease;
}
.process-step:hover {
  transform: translateY(-4px);
  border-color: rgba(200, 169, 106, 0.35);
  box-shadow: var(--shadow-card-hover);
}
.process-num {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
  color: #1A1206;
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: Georgia, "Times New Roman", serif;
  font-style: italic;
  box-shadow: var(--glow-gold);
}
.process-step h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
}
.process-step p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.6;
}

/* ===== Scenarios ===== */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.scenario-card {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 20px;
  background: var(--glass-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: all 0.3s ease;
  align-items: center;
}
.scenario-card:hover {
  transform: translateY(-4px);
  border-color: rgba(200, 169, 106, 0.3);
  box-shadow: var(--shadow-card-hover);
}
.scenario-img {
  width: 120px;
  height: 90px;
  border-radius: 12px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary-700), var(--secondary-800));
}
.scenario-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.scenario-card:hover .scenario-img img { transform: scale(1.05); }
.scenario-info h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}
.scenario-info p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== CTA Banner ===== */
.cta-banner {
  position: relative;
  padding: 72px 0;
  border-radius: 20px;
  overflow: hidden;
  background: linear-gradient(120deg, rgba(200, 169, 106, 0.12), rgba(15, 37, 87, 0.5)), url('/assets/images/backpic/back-2.webp') center/cover;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10, 20, 40, 0.65);
  z-index: 1;
}
.cta-banner .cta-content {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-banner h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
}
.cta-banner p {
  font-size: 16px;
  color: var(--text-sub);
  max-width: 560px;
}

/* ===== FAQ ===== */
.faq-list { max-width: 860px; margin: 0 auto; display: grid; gap: 16px; }
.faq-item {
  background: var(--glass-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.faq-item.open { border-color: rgba(200, 169, 106, 0.4); box-shadow: var(--glow-gold); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 16px;
  font-weight: 500;
  text-align: left;
  min-height: 56px;
  transition: color 0.25s ease;
}
.faq-question:hover { color: var(--gold); }
.faq-question .faq-icon {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  color: var(--gold);
  font-size: 12px;
  flex-shrink: 0;
  transition: transform 0.3s ease, background 0.3s ease;
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: rgba(200, 169, 106, 0.15); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 24px;
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.7;
  border-top: 1px solid transparent;
}
.faq-item.open .faq-answer {
  max-height: 320px;
  padding: 16px 24px 20px;
  border-top-color: rgba(200, 169, 106, 0.18);
}

/* ===== Contact CTA ===== */
.contact-section {
  padding: 80px 0;
  background: var(--secondary-800);
}
.contact-card {
  max-width: 680px;
  margin: 0 auto;
  background: var(--glass-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-card);
  text-align: center;
}
.contact-card h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
}
.contact-card > p {
  font-size: 16px;
  color: var(--text-sub);
  margin-bottom: 32px;
}
.contact-methods {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}
.contact-method {
  padding: 20px 16px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all 0.25s ease;
}
.contact-method:hover { border-color: rgba(200, 169, 106, 0.4); transform: translateY(-2px); }
.contact-method i {
  font-size: 22px;
  color: var(--gold);
  display: block;
  margin-bottom: 10px;
}
.contact-method .method-label {
  font-size: 13px;
  color: var(--text-sub);
  display: block;
  margin-bottom: 4px;
}
.contact-method .method-value {
  font-size: 15px;
  color: var(--text-main);
  font-weight: 500;
}
.privacy-note {
  font-size: 12px;
  color: rgba(148, 163, 184, 0.75);
  margin-top: 16px;
}

/* ===== Footer ===== */
.site-footer {
  background: #060D1F;
  border-top: 1px solid rgba(200, 169, 106, 0.15);
  padding-top: 64px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand .brand-logo { font-size: 20px; margin-bottom: 16px; display: inline-flex; }
.footer-desc {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  margin: 16px 0 20px;
  max-width: 320px;
}
.social-links { display: flex; gap: 10px; }
.social-link {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text-sub);
  transition: all 0.25s ease;
}
.social-link:hover {
  background: rgba(200, 169, 106, 0.12);
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
}
.footer-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 20px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a, .footer-contact a {
  font-size: 14px;
  color: var(--text-sub);
  transition: color 0.25s;
}
.footer-links a:hover, .footer-contact a:hover { color: var(--gold); }
.footer-contact li {
  font-size: 14px;
  color: var(--text-sub);
  margin-bottom: 10px;
  line-height: 1.6;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(148, 163, 184, 0.7);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  body { padding-top: var(--header-h-mobile); }
  :root { --gap-section: 72px; }
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero-title { font-size: 40px; }
  .hero-card-visual { max-width: 480px; }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .scenario-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
}

@media (max-width: 768px) {
  body { padding-top: var(--header-h-mobile); }
  :root { --gap-section: 56px; --header-h-mobile: 96px; }
  .header-search { display: none; }
  .header-btn { padding: 8px 14px; font-size: 13px; }
  .header-toggle { display: inline-flex; }
  .header-top { height: 56px; }
  .header-tabs .container { padding-bottom: 10px; }
  .brand-logo { font-size: 17px; }
  .logo-icon { width: 32px; height: 32px; font-size: 14px; }
  .page-hero { padding: 48px 0 48px; }
  .hero-title { font-size: 32px; }
  .hero-subtitle { font-size: 16px; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { justify-content: center; }
  .section-title { font-size: 26px; padding-left: 12px; }
  .section-head { margin-bottom: 32px; }
  .value-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .scenario-card { grid-template-columns: 1fr; text-align: center; }
  .scenario-img { width: 100%; height: 160px; }
  .cta-banner { padding: 48px 0; text-align: center; justify-content: center; }
  .cta-banner h2 { font-size: 26px; }
  .contact-card { padding: 32px 20px; }
  .contact-methods { grid-template-columns: 1fr; gap: 12px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .glass-card-feat { padding: 20px; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 28px; }
  .section-title { font-size: 24px; }
  .process-grid { gap: 16px; }
  .scenario-card { padding: 20px; }
  .contact-card { padding: 24px 16px; }
  .faq-question { padding: 16px 18px; font-size: 15px; }
  .faq-answer { padding: 0 18px; }
}

/* roulang page: article */
:root {
  --bg-deep: #0A1428;
  --bg-panel: #101F3C;
  --bg-panel-deep: #060D1F;
  --bg-glass: rgba(255, 255, 255, 0.06);
  --bg-glass-hover: rgba(255, 255, 255, 0.10);
  --gold: #C8A96A;
  --gold-light: #E2C78F;
  --gold-deep: #A9894C;
  --teal: #2DD4BF;
  --text-main: #E8EDF7;
  --text-soft: #94A3B8;
  --text-disabled: #475569;
  --border: rgba(255, 255, 255, 0.10);
  --border-strong: rgba(255, 255, 255, 0.18);
  --radius-lg: 16px;
  --radius-md: 8px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.25);
  --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.40);
  --shadow-gold: 0 0 20px rgba(200, 169, 106, 0.25);
  --shadow-gold-strong: 0 0 28px rgba(200, 169, 106, 0.45);
  --transition: all .25s ease;
  --container: 1280px;
  --header-h: 112px;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: var(--text-main);
  background: var(--bg-deep);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: var(--text-main);
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: var(--gold);
}
ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
button,
input {
  font-family: inherit;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
::selection {
  background: rgba(200, 169, 106, 0.35);
  color: #fff;
}
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 20, 40, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
.site-header.scrolled {
  background: rgba(7, 15, 30, 0.95);
  border-bottom-color: rgba(200, 169, 106, 0.2);
}
.header-top {
  height: 64px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 16px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(200, 169, 106, 0.35), rgba(200, 169, 106, 0.08));
  border: 1px solid rgba(200, 169, 106, 0.45);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 20px;
  box-shadow: 0 0 16px rgba(200, 169, 106, 0.15);
}
.brand-name {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-main);
  white-space: nowrap;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 14px;
  width: 230px;
  transition: var(--transition);
}
.search-box:focus-within {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(200, 169, 106, 0.15);
}
.search-box svg {
  flex-shrink: 0;
  color: var(--text-soft);
}
.search-box input {
  border: none;
  outline: none;
  background: transparent;
  color: var(--text-main);
  font-size: 14px;
  width: 100%;
}
.search-box input::placeholder {
  color: var(--text-soft);
  opacity: 0.7;
}
.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #D8B97E, #B8955A);
  color: #0A1428;
  font-weight: 700;
  font-size: 14px;
  border: none;
  border-radius: var(--radius-md);
  padding: 10px 20px;
  cursor: pointer;
  text-decoration: none;
  box-shadow: var(--shadow-gold);
  transition: var(--transition);
  white-space: nowrap;
}
.btn-gold:hover {
  background: linear-gradient(135deg, #E2C78F, #C8A96A);
  color: #0A1428;
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold-strong);
}
.btn-gold:active {
  transform: scale(0.97);
}
.btn-gold:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
}
.hamburger span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--text-main);
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.header-tabs {
  background: rgba(7, 15, 30, 0.9);
}
.header-tabs .container {
  display: flex;
  align-items: center;
  gap: 12px;
  overflow-x: auto;
  padding: 12px 24px;
  scrollbar-width: none;
  -ms-overflow-style: none;
  mask-image: linear-gradient(90deg, transparent 0, #000 16px, #000 calc(100% - 16px), transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 16px, #000 calc(100% - 16px), transparent 100%);
}
.header-tabs .container::-webkit-scrollbar {
  display: none;
}
.nav-tab {
  flex-shrink: 0;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  color: var(--text-soft);
  font-size: 14px;
  white-space: nowrap;
  transition: var(--transition);
}
.nav-tab:hover {
  color: var(--gold);
  border-color: rgba(200, 169, 106, 0.5);
  background: rgba(200, 169, 106, 0.08);
}
.nav-tab.active {
  background: linear-gradient(135deg, #C8A96A, #D9BC84);
  color: #0A1428;
  font-weight: 600;
  border-color: transparent;
  box-shadow: 0 0 14px rgba(200, 169, 106, 0.35);
}
.nav-tab.active:hover {
  color: #0A1428;
}

/* ===== Banner ===== */
body {
  padding-top: var(--header-h);
}
.page-banner {
  position: relative;
  padding: 170px 0 120px;
  background: url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 20, 40, 0.65) 0%, rgba(10, 20, 40, 0.85) 70%, var(--bg-deep) 100%);
}
.page-banner .container {
  position: relative;
  z-index: 2;
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--text-soft);
  margin-bottom: 16px;
}
.breadcrumb a {
  color: var(--text-soft);
}
.breadcrumb a:hover {
  color: var(--gold);
}
.breadcrumb .sep {
  color: var(--text-disabled);
}
.breadcrumb .crumb-current {
  color: var(--gold);
  max-width: 360px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ===== Article Main ===== */
.article-main {
  position: relative;
  z-index: 3;
  max-width: 920px;
  margin: -80px auto 0;
  background: rgba(16, 31, 60, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 48px 56px;
}
.article-title {
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.3;
  font-weight: 700;
  color: var(--text-main);
  margin: 12px 0 20px;
  letter-spacing: 0.5px;
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 22px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  color: var(--text-soft);
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.meta-item svg {
  color: var(--gold);
  flex-shrink: 0;
}
.meta-tag {
  color: var(--gold);
  border: 1px solid rgba(200, 169, 106, 0.35);
  background: rgba(200, 169, 106, 0.08);
  border-radius: var(--radius-pill);
  padding: 2px 12px;
  font-size: 13px;
}

/* ===== Article Content ===== */
.article-content {
  padding: 36px 0 12px;
  color: var(--text-main);
  font-size: 16px;
  line-height: 1.85;
}
.article-content p {
  margin: 0 0 22px;
}
.article-content h2 {
  font-size: 26px;
  font-weight: 700;
  margin: 44px 0 18px;
  padding-left: 14px;
  border-left: 4px solid var(--gold);
  line-height: 1.35;
}
.article-content h3 {
  font-size: 21px;
  font-weight: 600;
  margin: 34px 0 14px;
  color: var(--gold-light);
}
.article-content h4 {
  font-size: 17px;
  font-weight: 600;
  margin: 28px 0 10px;
}
.article-content ul {
  margin: 0 0 24px;
  padding-left: 4px;
}
.article-content ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
}
.article-content ul li::before {
  content: '✦';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-size: 13px;
  top: 2px;
}
.article-content ol {
  margin: 0 0 24px;
  padding-left: 22px;
}
.article-content ol li {
  margin-bottom: 10px;
}
.article-content blockquote {
  margin: 28px 0;
  padding: 18px 22px;
  border-left: 4px solid var(--gold);
  background: rgba(200, 169, 106, 0.06);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-soft);
  font-size: 15px;
}
.article-content blockquote p {
  margin: 0;
}
.article-content a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-content a:hover {
  color: var(--gold-light);
}
.article-content img {
  border-radius: 12px;
  margin: 24px 0;
  box-shadow: var(--shadow-card);
}
.article-content pre {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.7;
  margin: 24px 0;
}
.article-content code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 7px;
  border-radius: 6px;
  font-size: 14px;
  color: var(--gold-light);
}
.article-content pre code {
  background: transparent;
  padding: 0;
  color: var(--text-main);
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
}
.article-content th,
.article-content td {
  border: 1px solid var(--border);
  padding: 12px 16px;
  text-align: left;
}
.article-content th {
  background: rgba(200, 169, 106, 0.08);
  color: var(--gold-light);
  font-weight: 600;
}

/* ===== Not Found ===== */
.article-notfound {
  text-align: center;
  padding: 80px 20px;
}
.notfound-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(200, 169, 106, 0.1);
  border: 1px solid rgba(200, 169, 106, 0.3);
  color: var(--gold);
  font-size: 30px;
  box-shadow: var(--shadow-gold);
}
.article-notfound p {
  color: var(--text-soft);
  font-size: 17px;
  margin-bottom: 28px;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-strong);
  background: var(--bg-glass);
  color: var(--text-main);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(200, 169, 106, 0.08);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}
.btn-outline:active {
  transform: scale(0.97);
}

/* ===== Related ===== */
.related-section {
  max-width: var(--container);
  margin: 0 auto;
  padding: 96px 24px 20px;
}
.section-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
}
.section-line {
  width: 4px;
  height: 30px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--gold), rgba(200, 169, 106, 0.2));
}
.section-head h2 {
  font-size: 32px;
  font-weight: 700;
  margin: 0;
  letter-spacing: 1px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.post-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.post-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-hover);
}
.card-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(135deg, #101F3C, #0B1B3A);
  flex-shrink: 0;
}
.card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.post-card:hover .card-cover img {
  transform: scale(1.05);
}
.card-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  background: rgba(10, 20, 40, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(200, 169, 106, 0.35);
  color: var(--gold);
  font-size: 12px;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.5px;
}
.card-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.card-body h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 10px;
  line-height: 1.4;
}
.card-body h3 a {
  color: var(--text-main);
  transition: var(--transition);
}
.card-body h3 a:hover {
  color: var(--gold);
}
.card-desc {
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.65;
  margin: 0 0 18px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-soft);
  margin-top: auto;
}
.card-meta .arrow {
  color: var(--gold);
  font-size: 15px;
}

/* ===== Article Back ===== */
.article-back {
  text-align: center;
  padding: 64px 24px 96px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-panel-deep);
  border-top: 1px solid rgba(200, 169, 106, 0.15);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 48px;
}
.footer-brand .brand-logo {
  margin-bottom: 18px;
}
.footer-desc {
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.75;
  margin: 0 0 22px;
  max-width: 330px;
}
.social-links {
  display: flex;
  gap: 12px;
}
.social-link {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-glass);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-soft);
  transition: var(--transition);
}
.social-link:hover {
  color: var(--gold);
  border-color: rgba(200, 169, 106, 0.5);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}
.footer-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  margin: 0 0 18px;
  letter-spacing: 0.5px;
}
.footer-links li,
.footer-contact li {
  margin-bottom: 12px;
  font-size: 14px;
  color: var(--text-soft);
}
.footer-links a {
  color: var(--text-soft);
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--gold);
  padding-left: 4px;
}
.footer-contact a {
  color: var(--text-soft);
}
.footer-contact a:hover {
  color: var(--gold);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 56px;
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: var(--text-soft);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .search-box {
    width: 180px;
  }
}
@media (max-width: 768px) {
  body {
    padding-top: 104px;
  }
  .header-top {
    height: 60px;
  }
  .brand-name {
    font-size: 18px;
  }
  .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 18px;
  }
  .search-box {
    display: none;
  }
  .btn-consult {
    padding: 9px 14px;
    font-size: 13px;
  }
  .hamburger {
    display: flex;
    width: 40px;
    height: 40px;
  }
  .header-tabs {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 20, 40, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    box-shadow: var(--shadow-hover);
  }
  .header-tabs.open {
    display: block;
  }
  .header-tabs .container {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: 0;
    overflow: visible;
    mask-image: none;
    -webkit-mask-image: none;
  }
  .nav-tab {
    text-align: center;
    padding: 12px 18px;
  }
  .page-banner {
    padding: 140px 0 100px;
  }
  .article-main {
    margin:-60px 16px 0;
    padding: 32px 24px;
  }
  .article-meta {
    gap: 14px;
  }
  .related-section {
    padding: 72px 16px 20px;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .article-back {
    padding: 48px 16px 72px;
  }
}
@media (max-width: 520px) {
  .header-inner {
    gap: 8px;
  }
  .brand-name {
    font-size: 16px;
    letter-spacing: 0.5px;
  }
  .btn-consult {
    padding: 8px 10px;
    font-size: 12px;
  }
  .page-banner {
    padding: 130px 0 80px;
  }
  .breadcrumb .crumb-current {
    max-width: 180px;
  }
  .article-main {
    padding: 24px 18px;
  }
  .article-title {
    font-size: 28px;
  }
  .article-content {
    font-size: 15px;
  }
  .article-content h2 {
    font-size: 22px;
  }
  .article-content h3 {
    font-size: 18px;
  }
  .section-head h2 {
    font-size: 26px;
  }
  .card-body {
    padding: 18px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    font-size: 12px;
    padding: 18px 12px;
  }
}

/* roulang page: category2 */
/* ========== 设计变量 ========== */
:root {
  --bg-primary: #0A1428;
  --bg-secondary: #101F3C;
  --bg-deep: #060D1F;
  --glass-bg: rgba(255,255,255,0.06);
  --glass-bg-hover: rgba(255,255,255,0.09);
  --brand-gold: #C8A96A;
  --brand-gold-light: #E0C88A;
  --brand-gold-dark: #A88549;
  --brand-teal: #2DD4BF;
  --text-primary: #E8EDF7;
  --text-secondary: #94A3B8;
  --text-muted: #475569;
  --border-white: rgba(255,255,255,0.10);
  --border-gold: rgba(200,169,106,0.35);
  --radius-card: 16px;
  --radius-btn: 8px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 32px rgba(0,0,0,0.25);
  --shadow-hover: 0 16px 48px rgba(0,0,0,0.40);
  --glow-gold: 0 0 20px rgba(200,169,106,0.25);
  --glow-gold-hover: 0 0 28px rgba(200,169,106,0.45);
  --section-space: 96px;
  --card-gap: 24px;
  --font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

/* ========== Reset ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  padding-top: 112px;
}
body.no-scroll { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: var(--text-primary); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--brand-gold); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: 14px; }

/* ========== 容器 ========== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  transition: all .25s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn:focus-visible {
  outline: 2px solid var(--brand-gold);
  outline-offset: 2px;
}
.btn-gold {
  background: linear-gradient(135deg, var(--brand-gold-light), var(--brand-gold));
  color: #0B1B3A;
  box-shadow: var(--glow-gold);
}
.btn-gold:hover {
  color: #0B1B3A;
  transform: translateY(-2px);
  box-shadow: var(--glow-gold-hover);
  filter: brightness(1.08);
}
.btn-gold:active { transform: scale(0.97); }
.btn-outline {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-white);
  color: var(--text-primary);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn-outline:hover {
  border-color: var(--border-gold);
  color: var(--brand-gold-light);
  transform: translateY(-2px);
  box-shadow: 0 0 14px rgba(200,169,106,0.15);
}
.btn-outline:active { transform: scale(0.97); }
.btn-sm { padding: 8px 20px; font-size: 14px; }

/* ========== 头部导航 ========== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10,20,40,0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled {
  background: rgba(7,15,30,0.95);
  border-bottom-color: rgba(200,169,106,0.2);
}
.header-top { padding: 12px 0; }
.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-primary);
  transition: opacity .2s ease;
}
.brand-logo:hover { color: var(--text-primary); opacity: 0.88; }
.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(200,169,106,0.14);
  border: 1px solid var(--border-gold);
  color: var(--brand-gold);
  font-size: 16px;
  flex-shrink: 0;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.header-search {
  position: relative;
  display: flex;
  align-items: center;
}
.header-search input {
  width: 190px;
  height: 38px;
  padding: 0 36px 0 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-white);
  background: rgba(0,0,0,0.3);
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.header-search input::placeholder { color: var(--text-muted); }
.header-search input:focus {
  border-color: var(--border-gold);
  box-shadow: 0 0 0 3px rgba(200,169,106,0.12);
}
.header-search .search-icon {
  position: absolute;
  right: 12px;
  color: var(--text-secondary);
  pointer-events: none;
  font-size: 13px;
}
.mobile-toggle {
  display: none;
  width: 40px;
  height: 38px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  color: var(--text-primary);
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: all .2s ease;
}
.mobile-toggle:hover { border-color: var(--border-gold); }

.header-tabs {
  border-top: 1px solid rgba(255,255,255,0.05);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.header-tabs::-webkit-scrollbar { display: none; }
.header-tabs .container {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 8px;
  padding-bottom: 8px;
  position: relative;
}
.nav-tab {
  flex-shrink: 0;
  padding: 7px 20px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid transparent;
  transition: all .25s ease;
  background: transparent;
}
.nav-tab:hover {
  color: var(--brand-gold-light);
  border-color: rgba(200,169,106,0.25);
  background: rgba(200,169,106,0.06);
}
.nav-tab.active {
  background: linear-gradient(135deg, var(--brand-gold-light), var(--brand-gold));
  color: #0B1B3A;
  font-weight: 600;
  box-shadow: 0 0 14px rgba(200,169,106,0.28);
}
.nav-tab.active:hover { color: #0B1B3A; }
.header-tabs-edge-left,
.header-tabs-edge-right {
  display: none;
  position: absolute;
  top: 0; bottom: 0;
  width: 24px;
  pointer-events: none;
  z-index: 2;
}

/* ========== 页首横幅 ========== */
.page-hero {
  position: relative;
  background: url('/assets/images/backpic/back-1.webp') center 30% / cover no-repeat;
  padding: 76px 0 72px;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,20,40,0.55) 0%, rgba(10,20,40,0.92) 100%);
  z-index: 1;
}
.page-hero .container { position: relative; z-index: 2; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 18px;
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--brand-gold-light); }
.breadcrumb .sep { color: var(--text-muted); }
.page-hero h1 {
  font-size: 46px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
  color: var(--text-primary);
}
.page-hero .hero-lead {
  font-size: 17px;
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 720px;
  margin-bottom: 28px;
}
.page-hero .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero-float-card {
  position: absolute;
  right: 40px;
  bottom: 40px;
  z-index: 2;
  background: rgba(255,255,255,0.07);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-card);
  padding: 18px 22px;
  max-width: 250px;
  box-shadow: var(--shadow-card);
}
.hero-float-card .fc-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--brand-gold-light);
  margin-bottom: 6px;
}
.hero-float-card .fc-text {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ========== 通用区块 ========== */
.section {
  padding: var(--section-space) 0;
}
.section-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 44px;
}
.section-header .line {
  width: 4px;
  height: 26px;
  background: linear-gradient(180deg, var(--brand-gold-light), var(--brand-gold-dark));
  border-radius: 2px;
  flex-shrink: 0;
}
.section-header h2 {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-primary);
}
.section-header .sub {
  font-size: 14px;
  color: var(--text-secondary);
  max-width: 620px;
  line-height: 1.6;
}
.bg-secondary { background: var(--bg-secondary); }

/* ========== 分类说明 ========== */
.intro-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 56px;
  align-items: center;
}
.intro-text p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
  font-size: 15px;
}
.intro-text p strong { color: var(--text-primary); font-weight: 600; }
.intro-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.stat-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-white);
  border-radius: var(--radius-card);
  padding: 28px 18px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: all .25s ease;
}
.stat-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.18);
  box-shadow: var(--shadow-hover);
}
.stat-num {
  font-size: 32px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--brand-gold);
  line-height: 1.2;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ========== 权益等级卡片 ========== */
.tier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--card-gap);
  align-items: stretch;
}
.tier-card {
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-white);
  border-radius: var(--radius-card);
  padding: 32px 28px 36px;
  box-shadow: var(--shadow-card);
  transition: all .3s ease;
  display: flex;
  flex-direction: column;
}
.tier-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.18);
  box-shadow: var(--shadow-hover);
}
.tier-card.featured {
  border: 1px solid rgba(200,169,106,0.45);
  background: linear-gradient(160deg, rgba(200,169,106,0.10), rgba(255,255,255,0.04));
  box-shadow: 0 0 28px rgba(200,169,106,0.14);
}
.tier-card.featured:hover {
  box-shadow: 0 0 40px rgba(200,169,106,0.22);
}
.tier-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: linear-gradient(135deg, var(--brand-gold-light), var(--brand-gold));
  color: #0B1B3A;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 14px rgba(200,169,106,0.3);
  letter-spacing: 0.5px;
}
.tier-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: rgba(200,169,106,0.12);
  border: 1px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--brand-gold);
  margin-bottom: 18px;
}
.tier-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
}
.tier-sub {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 18px;
}
.tier-features {
  list-style: none;
  margin-bottom: 24px;
  flex: 1;
}
.tier-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 6px 0;
  line-height: 1.55;
}
.tier-features li .check {
  color: var(--brand-gold);
  flex-shrink: 0;
  font-weight: 700;
  margin-top: 2px;
}
.tier-price {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 18px;
  margin-bottom: 20px;
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.tier-price .price-num {
  font-size: 34px;
  font-weight: 700;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}
.tier-price .price-unit {
  font-size: 13px;
  color: var(--text-secondary);
}
.tier-btn { width: 100%; }

/* ========== 权益对比 ========== */
.compare-wrap {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-white);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
}
.compare-table th,
.compare-table td {
  padding: 18px 24px;
  text-align: left;
  font-size: 14px;
  vertical-align: middle;
}
.compare-table thead th {
  background: rgba(0,0,0,0.22);
  font-weight: 600;
  color: var(--text-primary);
  font-size: 15px;
  border-bottom: 1px solid var(--border-white);
  position: relative;
}
.compare-table thead th.recommend-col {
  background: rgba(200,169,106,0.12);
  border-left: 1px solid rgba(200,169,106,0.2);
  border-right: 1px solid rgba(200,169,106,0.2);
}
.compare-table thead th .rec-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--brand-gold-light), var(--brand-gold));
  color: #0B1B3A;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  margin-left: 8px;
  vertical-align: middle;
}
.compare-table tbody tr:nth-child(even) {
  background: rgba(255,255,255,0.03);
}
.compare-table tbody tr:hover { background: rgba(255,255,255,0.05); }
.compare-table td {
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.compare-table td:first-child {
  color: var(--text-primary);
  font-weight: 500;
}
.compare-table td.recommend-col {
  background: rgba(200,169,106,0.05);
  border-left: 1px solid rgba(200,169,106,0.15);
  border-right: 1px solid rgba(200,169,106,0.15);
}
.compare-table .yes {
  color: var(--brand-gold);
  font-weight: 700;
}
.compare-table .no { color: var(--text-muted); }
.compare-table .partial { color: var(--brand-teal); font-weight: 600; }
.compare-note {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 20px;
  padding: 16px 24px;
  font-size: 13px;
  color: var(--text-secondary);
}
.compare-note .legend {
  display: flex;
  align-items: center;
  gap: 6px;
}
.compare-note .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

/* ========== 加入流程 ========== */
.journey-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
}
.journey-step {
  text-align: center;
  padding: 28px 16px;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  transition: all .25s ease;
  position: relative;
}
.journey-step:hover {
  transform: translateY(-4px);
  border-color: rgba(200,169,106,0.3);
  box-shadow: var(--shadow-hover);
}
.journey-step .step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-gold-light), var(--brand-gold));
  color: #0B1B3A;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  box-shadow: 0 0 14px rgba(200,169,106,0.3);
}
.journey-step h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.journey-step p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ========== FAQ ========== */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-white);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.faq-item:hover { border-color: rgba(255,255,255,0.16); }
.faq-item.open { border-color: rgba(200,169,106,0.3); box-shadow: 0 0 20px rgba(200,169,106,0.08); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  background: transparent;
  min-height: 52px;
  transition: color .2s ease;
}
.faq-q:hover { color: var(--brand-gold-light); }
.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--border-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--text-secondary);
  transition: transform .25s ease, color .25s ease, border-color .25s ease;
  flex-shrink: 0;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  color: var(--brand-gold);
  border-color: var(--border-gold);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.faq-a-inner {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ========== CTA / 表单 ========== */
.cta-section {
  background: url('/assets/images/backpic/back-2.webp') center 40% / cover no-repeat;
  position: relative;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(10,20,40,0.94) 40%, rgba(139,115,64,0.55) 100%);
}
.cta-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.cta-text h2 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 16px;
}
.cta-text p {
  color: var(--text-secondary);
  line-height: 1.75;
  font-size: 15px;
  margin-bottom: 12px;
}
.cta-contacts {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 22px;
}
.cta-contacts .contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-secondary);
}
.cta-contacts .contact-item span { color: var(--brand-gold); }
.contact-form-card {
  background: rgba(255,255,255,0.07);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-card);
  padding: 32px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.contact-form-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--brand-gold-light);
}
.contact-form-card .form-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 22px;
}
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-btn);
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--border-gold);
  box-shadow: 0 0 0 3px rgba(200,169,106,0.12);
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-group select option { background: var(--bg-secondary); color: var(--text-primary); }
.form-submit {
  width: 100%;
  height: 48px;
  font-size: 15px;
  margin-top: 6px;
}
.form-privacy {
  margin-top: 12px;
  text-align: center;
  font-size: 12px;
  color: var(--text-secondary);
  opacity: 0.65;
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid rgba(200,169,106,0.15);
  padding-top: 60px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .brand-logo { margin-bottom: 14px; }
.footer-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 14px 0 18px;
  max-width: 320px;
}
.social-links {
  display: flex;
  gap: 10px;
}
.social-link {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all .25s ease;
  background: rgba(255,255,255,0.03);
}
.social-link:hover {
  color: var(--brand-gold);
  border-color: var(--border-gold);
  background: rgba(200,169,106,0.08);
  transform: translateY(-2px);
}
.footer-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 13px;
  color: var(--text-secondary);
  transition: color .25s ease;
}
.footer-links a:hover { color: var(--brand-gold-light); }
.footer-contact li {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 10px;
  display: flex;
  align-items: flex-start;
  gap: 6px;
}
.footer-contact a { color: var(--text-secondary); }
.footer-contact a:hover { color: var(--brand-gold-light); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 18px 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p {
  font-size: 12px;
  color: var(--text-secondary);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .intro-grid { grid-template-columns: 1fr; gap: 36px; }
  .tier-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .journey-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-float-card { display: none; }
}
@media (max-width: 768px) {
  body { padding-top: 104px; }
  .header-top { padding: 8px 0; }
  .header-search { display: none; }
  .mobile-toggle { display: flex; }
  .header-tabs .container {
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 8px;
    padding-top: 6px;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
  }
  .page-hero { padding: 48px 0 44px; }
  .page-hero h1 { font-size: 32px; }
  .page-hero .hero-lead { font-size: 15px; }
  .section { padding: 56px 0; }
  .section-header h2 { font-size: 24px; }
  .section-header { margin-bottom: 30px; }
  .intro-stats { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .stat-num { font-size: 24px; }
  .compare-table th,
  .compare-table td { padding: 12px 12px; font-size: 12px; }
  .compare-table thead th { font-size: 13px; }
  .compare-table thead th .rec-badge { margin-left: 4px; font-size: 10px; padding: 1px 6px; display: block; margin-top: 3px; }
  .journey-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; padding-bottom: 32px; }
  .cta-text h2 { font-size: 26px; }
  .contact-form-card { padding: 24px; }
  .header-actions .btn-sm { display: none; }
}
@media (max-width: 520px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .intro-stats { grid-template-columns: 1fr 1fr; }
  .intro-stats .stat-card:last-child { grid-column: span 2; }
  .journey-grid { grid-template-columns: 1fr; }
  .page-hero h1 { font-size: 28px; line-height: 1.3; }
  .header-actions { gap: 8px; }
  .brand-logo { font-size: 16px; }
  .logo-icon { width: 34px; height: 34px; font-size: 14px; }
}

/* roulang page: category3 */
/* ==========================================================
   太阳集团贵宾网站 - 专属礼遇活动 页面样式
   ========================================================== */
:root{
  --primary:#0B1B3A;
  --primary-deep:#0F2557;
  --gold:#C8A96A;
  --gold-light:#DCC28A;
  --teal:#2DD4BF;
  --bg-main:#0A1428;
  --bg-secondary:#101F3C;
  --text-main:#E8EDF7;
  --text-sub:#94A3B8;
  --text-disabled:#475569;
  --border:rgba(255,255,255,.10);
  --card-bg:rgba(255,255,255,.06);
  --radius:16px;
  --radius-sm:8px;
  --shadow:0 8px 32px rgba(0,0,0,.25);
  --shadow-hover:0 16px 48px rgba(0,0,0,.40);
  --glow:0 0 20px rgba(200,169,106,.25);
  --glow-hover:0 0 28px rgba(200,169,106,.45);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:linear-gradient(180deg,var(--bg-main) 0%,#0D1A33 100%);
  color:var(--text-main);
  line-height:1.75;
  font-size:16px;
  padding-top:112px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease}
button,input,select,textarea{font-family:inherit;font-size:14px;border:none;outline:none}
ul,ol{list-style:none}
.container{max-width:1280px;margin:0 auto;padding:0 24px}
@media(max-width:767px){.container{padding:0 16px}}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 28px;border-radius:8px;font-size:15px;font-weight:600;
  cursor:pointer;line-height:1.4;border:1px solid transparent;
  transition:all .3s ease;text-align:center;white-space:nowrap;
}
.btn-gold{
  background:linear-gradient(135deg,#C8A96A 0%,#DCC28A 60%,#C8A96A 100%);
  color:#0B1B3A;box-shadow:0 0 20px rgba(200,169,106,.25);
}
.btn-gold:hover{
  transform:translateY(-2px);
  box-shadow:0 0 28px rgba(200,169,106,.45);
  background:linear-gradient(135deg,#DCC28A 0%,#E8D4A4 60%,#C8A96A 100%);
}
.btn-gold:active{transform:scale(.97)}
.btn-gold:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.btn-ghost{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.20);
  color:var(--text-main);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.12);
  border-color:rgba(200,169,106,.5);
  color:var(--gold-light);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:scale(.97)}
.btn-ghost:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.btn-block{width:100%;height:48px}
.btn-sm{padding:8px 18px;font-size:14px}

/* ===== Header / Nav ===== */
.site-header{
  position:fixed;top:0;left:0;width:100%;z-index:1000;
  background:rgba(10,20,40,.85);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.scrolled{
  background:rgba(7,15,30,.95);
  box-shadow:0 4px 30px rgba(0,0,0,.35);
  border-bottom-color:rgba(200,169,106,.2);
}
.header-top{padding:14px 0 10px}
.header-top-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand-logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-icon{
  width:38px;height:38px;border-radius:50%;
  background:rgba(200,169,106,.15);
  border:1px solid rgba(200,169,106,.4);
  color:var(--gold);font-size:18px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 14px rgba(200,169,106,.15);
}
.logo-text{font-size:20px;font-weight:700;color:var(--text-main);letter-spacing:.5px}
.logo-text:hover{color:var(--gold)}
.header-actions{display:flex;align-items:center;gap:14px}
.header-search{
  display:flex;align-items:center;gap:8px;
  background:rgba(0,0,0,.30);border:1px solid rgba(255,255,255,.10);
  border-radius:8px;padding:8px 12px;width:240px;transition:border-color .3s ease;
}
.header-search:focus-within{border-color:rgba(200,169,106,.5)}
.header-search input{background:transparent;border:none;color:var(--text-main);width:100%;font-size:14px}
.header-search input::placeholder{color:var(--text-sub)}
.header-search svg{flex-shrink:0;color:var(--text-sub)}
.nav-toggle{display:none;background:transparent;color:var(--text-main);cursor:pointer;padding:8px}
.nav-toggle svg{display:block}
.header-tabs{
  border-top:1px solid rgba(255,255,255,.05);
  padding:8px 0 10px;
}
.tabs-scroll{
  display:flex;gap:12px;overflow-x:auto;
  scrollbar-width:none;-ms-overflow-style:none;
}
.tabs-scroll::-webkit-scrollbar{display:none}
.nav-tab{
  padding:7px 20px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--text-sub);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  white-space:nowrap;transition:all .25s ease;flex-shrink:0;
}
.nav-tab:hover{
  color:var(--gold-light);
  border-color:rgba(200,169,106,.4);
  background:rgba(200,169,106,.08);
}
.nav-tab.active{
  background:linear-gradient(135deg,#C8A96A,#DCC28A);
  color:#0B1B3A;border-color:transparent;
  font-weight:600;box-shadow:0 0 16px rgba(200,169,106,.3);
}
@media(max-width:767px){
  body{padding-top:104px}
  .header-top{padding:10px 0 8px}
  .header-search{display:none}
  .nav-toggle{display:block}
  .brand-logo .logo-text{font-size:17px}
  .header-tabs{
    display:none;padding:8px 0 12px;
    background:rgba(10,20,40,.97);
    backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  }
  .header-tabs.open{display:block}
  .tabs-scroll{flex-wrap:nowrap;overflow-x:auto}
  .nav-tab{padding:6px 16px;font-size:13px}
}

/* ===== Page Hero ===== */
.page-hero{
  position:relative;min-height:420px;
  display:flex;align-items:center;
  padding:80px 0 56px;overflow:hidden;
  background:linear-gradient(135deg,#0B1B3A 0%,#0F2557 55%,#17356B 100%);
}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.35;
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,20,40,.30) 0%,rgba(10,20,40,.85) 100%);
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{
  font-size:13px;color:var(--text-sub);
  margin-bottom:18px;display:flex;align-items:center;gap:8px;
}
.breadcrumb a{color:var(--text-sub)}
.breadcrumb a:hover{color:var(--gold-light)}
.breadcrumb .sep{color:rgba(255,255,255,.3)}
.page-hero h1{
  font-size:50px;font-weight:700;letter-spacing:1px;
  color:var(--text-main);line-height:1.2;margin-bottom:16px;
}
.hero-subtitle{
  font-size:18px;color:var(--text-sub);line-height:1.65;
  max-width:600px;margin-bottom:28px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
@media(max-width:767px){
  .page-hero{min-height:360px;padding:56px 0 40px}
  .page-hero h1{font-size:32px}
  .hero-subtitle{font-size:15px}
}

/* ===== Section Common ===== */
.section{padding:96px 0}
.section-heading{margin-bottom:48px}
.section-heading.center{text-align:center}
.heading-tag{
  display:inline-block;padding:4px 14px;border-radius:999px;
  background:rgba(200,169,106,.12);border:1px solid rgba(200,169,106,.35);
  color:var(--gold-light);font-size:12px;font-weight:600;letter-spacing:1px;
  margin-bottom:16px;
}
.section-heading h2{
  font-size:34px;font-weight:700;line-height:1.3;color:var(--text-main);
  /* 左侧金色竖条装饰 */
  position:relative;padding-left:16px;
}
.section-heading h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;
  background:linear-gradient(180deg,var(--gold),var(--gold-light));
  border-radius:2px;
}
.section-heading.center h2::before{display:none}
.section-heading.center h2{padding-left:0}
.section-heading.center h2::after{
  content:"";display:block;width:48px;height:3px;margin:14px auto 0;
  background:linear-gradient(90deg,var(--gold),transparent);border-radius:2px;
}
.section-heading p{
  color:var(--text-sub);font-size:15px;line-height:1.7;margin-top:20px;max-width:640px;
}
.section-heading.center p{margin-left:auto;margin-right:auto}
@media(max-width:767px){
  .section{padding:56px 0}
  .section-heading h2{font-size:24px}
}

/* ===== Intro ===== */
.intro-section .intro-wrap{
  display:grid;grid-template-columns:1fr 1.4fr;gap:48px;align-items:start;
}
.intro-text{color:var(--text-sub);font-size:16px;line-height:1.85;padding-top:8px}
.intro-text strong{color:var(--text-main);font-weight:600}
@media(max-width:767px){
  .intro-section .intro-wrap{grid-template-columns:1fr;gap:24px}
}

/* ===== Event Types ===== */
.event-types-section{background:rgba(255,255,255,.02)}
.event-grid{
  display:grid;grid-template-columns:repeat(6,1fr);gap:24px;
}
.event-card{
  grid-column:span 3;
  background:var(--card-bg);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.event-card:first-child{grid-column:span 6}
.event-card:last-child{grid-column:span 6}
.event-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(255,255,255,.18);
}
.event-card-img{position:relative;overflow:hidden;aspect-ratio:16/7}
.event-card:not(:first-child):not(:last-child) .event-card-img{aspect-ratio:16/9}
.event-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.event-card:hover .event-card-img img{transform:scale(1.05)}
.event-card-img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 50%,rgba(10,20,40,.55) 100%);
}
.event-card-body{padding:24px 28px 28px}
.event-card-body h3{
  font-size:20px;font-weight:700;color:var(--text-main);
  margin-bottom:10px;transition:color .25s ease;
}
.event-card:hover .event-card-body h3{color:var(--gold-light)}
.event-card-body p{color:var(--text-sub);font-size:14px;line-height:1.75}
@media(max-width:767px){
  .event-grid{grid-template-columns:1fr;gap:16px}
  .event-card{grid-column:span 1!important}
  .event-card-img{aspect-ratio:16/9!important}
  .event-card-body{padding:20px}
}

/* ===== Feature / Advantage ===== */
.advantage-section{position:relative}
.advantage-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.advantage-img{
  border-radius:var(--radius);overflow:hidden;position:relative;
  box-shadow:var(--shadow);aspect-ratio:4/3;
}
.advantage-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.advantage-img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(200,169,106,.12),transparent 50%);
}
.advantage-img:hover img{transform:scale(1.04)}
.advantage-list{display:flex;flex-direction:column;gap:32px}
.advantage-item{
  display:flex;gap:18px;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.07);
  border-radius:14px;padding:22px 24px;
  transition:all .3s ease;
}
.advantage-item:hover{
  background:rgba(255,255,255,.06);
  border-color:rgba(200,169,106,.35);
  transform:translateX(4px);
}
.advantage-icon{
  width:44px;height:44px;border-radius:10px;flex-shrink:0;
  background:rgba(200,169,106,.12);border:1px solid rgba(200,169,106,.3);
  display:flex;align-items:center;justify-content:center;color:var(--gold);
}
.advantage-icon svg{width:20px;height:20px}
.advantage-item h4{font-size:17px;font-weight:600;color:var(--text-main);margin-bottom:6px}
.advantage-item p{font-size:14px;color:var(--text-sub);line-height:1.7}
@media(max-width:1023px){
  .advantage-grid{grid-template-columns:1fr;gap:48px}
}
@media(max-width:767px){
  .advantage-item{padding:16px 18px}
}

/* ===== Process ===== */
.process-section{
  background:linear-gradient(135deg,rgba(11,27,58,.6),rgba(15,37,87,.4));
  position:relative;
}
.process-section::before{
  content:"";position:absolute;inset:0;opacity:.12;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.process-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.process-step{
  text-align:center;padding:36px 24px;
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--radius);transition:all .3s ease;
}
.process-step:hover{
  transform:translateY(-6px);
  border-color:rgba(200,169,106,.4);
  box-shadow:var(--shadow-hover);
}
.step-num{
  font-family:Georgia,"Times New Roman",serif;
  font-size:42px;font-weight:700;font-style:italic;
  color:rgba(200,169,106,.6);line-height:1;margin-bottom:14px;
}
.step-line{height:2px;width:40px;background:linear-gradient(90deg,var(--gold),transparent);margin:0 auto 16px;border:none}
.process-step h4{font-size:17px;font-weight:600;color:var(--text-main);margin-bottom:8px}
.process-step p{font-size:13px;color:var(--text-sub);line-height:1.65}
@media(max-width:1023px){
  .process-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:767px){
  .process-grid{grid-template-columns:1fr;gap:16px}
}

/* ===== FAQ ===== */
.faq-section{background:rgba(255,255,255,.02)}
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  border-radius:12px;overflow:hidden;transition:all .3s ease;
}
.faq-item:hover{border-color:rgba(255,255,255,.16)}
.faq-item.active{border-color:rgba(200,169,106,.45);box-shadow:var(--glow)}
.faq-question{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  padding:18px 24px;background:transparent;cursor:pointer;
  font-size:15px;font-weight:600;color:var(--text-main);
  transition:color .25s ease;text-align:left;min-height:52px;
}
.faq-question:hover{color:var(--gold-light)}
.faq-arrow{
  flex-shrink:0;width:20px;height:20px;margin-left:16px;position:relative;
  transition:transform .2s ease;
}
.faq-arrow::before,.faq-arrow::after{
  content:"";position:absolute;background:var(--gold);
  border-radius:2px;transition:all .2s ease;
}
.faq-arrow::before{left:4px;right:4px;top:9px;height:2px}
.faq-arrow::after{left:9px;right:9px;top:4px;height:2px}
.faq-item.active .faq-arrow{transform:rotate(45deg)}
.faq-answer{
  max-height:0;overflow:hidden;transition:max-height .35s ease;
  padding:0 24px;
}
.faq-item.active .faq-answer{max-height:300px;padding:0 24px 20px}
.faq-answer p{font-size:14px;color:var(--text-sub);line-height:1.75}
@media(max-width:767px){
  .faq-question{padding:16px 18px;font-size:14px}
  .faq-item.active .faq-answer{padding:0 18px 16px}
}

/* ===== CTA / Form ===== */
.cta-section{position:relative;padding:100px 0;overflow:hidden}
.cta-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
}
.cta-overlay{
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(10,20,40,.92) 30%,rgba(200,169,106,.18) 100%);
}
.cta-wrap{
  position:relative;z-index:2;
  max-width:720px;margin:0 auto;
  text-align:center;
}
.cta-wrap h2{
  font-size:36px;font-weight:700;line-height:1.3;margin-bottom:14px;
}
.cta-wrap h2 span{color:var(--gold-light)}
.cta-desc{color:var(--text-sub);font-size:15px;line-height:1.7;margin-bottom:36px}
.cta-contact{
  display:flex;align-items:center;justify-content:center;gap:10px;
  flex-wrap:wrap;margin-bottom:28px;
}
.cta-contact a{
  color:var(--text-main);background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  padding:10px 22px;border-radius:999px;font-size:15px;
  display:inline-flex;align-items:center;gap:8px;transition:all .3s ease;
}
.cta-contact a:hover{color:var(--gold-light);border-color:rgba(200,169,106,.5);transform:translateY(-2px)}
.cta-contact svg{width:16px;height:16px;color:var(--gold)}
.reserve-form{
  background:rgba(255,255,255,.06);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--radius);padding:36px;
  text-align:left;box-shadow:var(--shadow);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}
.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:18px}
.form-group label{font-size:13px;color:var(--text-sub);font-weight:500}
.form-group input,
.form-group select,
.form-group textarea{
  background:rgba(0,0,0,.3);
  border:1px solid rgba(255,255,255,.12);
  border-radius:8px;padding:12px 14px;
  color:var(--text-main);font-size:14px;
  transition:border-color .3s ease,box-shadow .3s ease;
  width:100%;
}
.form-group input::placeholder,
.form-group textarea::placeholder{color:rgba(148,163,184,.5)}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus{
  border-color:rgba(200,169,106,.5);
  box-shadow:0 0 0 3px rgba(200,169,106,.10);
}
.form-group select{
  appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394A3B8' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
  cursor:pointer;
}
.form-group select option{background:var(--bg-main);color:var(--text-main)}
.form-group textarea{resize:vertical;min-height:70px}
.form-error{border-color:rgba(239,68,68,.8)!important}
.form-error-msg{color:#EF4444;font-size:12px;display:none}
.form-group.has-error .form-error-msg{display:block}
.form-privacy{font-size:12px;color:rgba(148,163,184,.6);text-align:center;margin-top:14px}
.form-success{
  display:none;background:rgba(16,185,129,.15);
  border:1px solid rgba(16,185,129,.4);
  color:#10B981;padding:12px 16px;border-radius:8px;
  font-size:14px;text-align:center;margin-bottom:16px;
}
.form-success.show{display:block}
@media(max-width:767px){
  .cta-section{padding:64px 0}
  .cta-wrap h2{font-size:26px}
  .reserve-form{padding:24px 18px}
  .form-row{grid-template-columns:1fr;gap:0}
}

/* ===== Footer ===== */
.site-footer{
  background:#060D1F;
  border-top:1px solid rgba(200,169,106,.15);
  padding-top:64px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand-logo{margin-bottom:16px}
.footer-desc{
  color:var(--text-sub);font-size:14px;line-height:1.75;
  margin-bottom:20px;max-width:320px;
}
.social-links{display:flex;gap:10px}
.social-link{
  width:36px;height:36px;border-radius:8px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.10);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-sub);transition:all .3s ease;
}
.social-link:hover{
  color:var(--gold-light);border-color:rgba(200,169,106,.4);
  background:rgba(200,169,106,.08);transform:translateY(-2px);
}
.footer-title{
  font-size:15px;font-weight:600;color:var(--text-main);
  margin-bottom:16px;letter-spacing:.5px;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  color:var(--text-sub);font-size:14px;transition:all .25s ease;
}
.footer-links a:hover{color:var(--gold-light);padding-left:4px}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--text-sub)}
.footer-contact a{color:var(--text-sub)}
.footer-contact a:hover{color:var(--gold-light)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.05);
  padding:20px 0;text-align:center;
}
.footer-bottom p{font-size:13px;color:rgba(148,163,184,.6)}
@media(max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:767px){
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom p{font-size:12px}
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar{width:8px}
::-webkit-scrollbar-track{background:var(--bg-main)}
::-webkit-scrollbar-thumb{background:rgba(200,169,106,.3);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:rgba(200,169,106,.5)}

/* roulang page: category4 */
:root{
  --primary:#0B1B3A;
  --primary-light:#0F2557;
  --bg:#0A1428;
  --bg-secondary:#101F3C;
  --gold:#C8A96A;
  --gold-light:#D9BE8A;
  --teal:#2DD4BF;
  --text:#E8EDF7;
  --text-secondary:#94A3B8;
  --text-disabled:#475569;
  --border:rgba(255,255,255,0.10);
  --border-hover:rgba(255,255,255,0.18);
  --glass:rgba(255,255,255,0.06);
  --glass-deep:rgba(255,255,255,0.10);
  --shadow:0 8px 32px rgba(0,0,0,0.25);
  --shadow-hover:0 16px 48px rgba(0,0,0,0.40);
  --gold-glow:0 0 20px rgba(200,169,106,0.25);
  --radius:16px;
  --radius-sm:8px;
  --font:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--text);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--gold)}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:var(--font);font-size:15px;outline:none}
ul,ol{list-style:none}
.container{max-width:1280px;margin:0 auto;padding:0 24px}
/* 背景辅助 */
.page-bg{
  background:linear-gradient(180deg,#0B1B3A 0%,#0A1428 80%);
  min-height:100vh;
}
/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 28px;border-radius:8px;font-weight:600;font-size:15px;
  cursor:pointer;border:none;transition:all .25s ease;gap:8px;
}
.btn-gold{
  background:linear-gradient(135deg,var(--gold) 0%,#B8914F 100%);
  color:#0A1428;box-shadow:var(--gold-glow);
}
.btn-gold:hover{
  background:linear-gradient(135deg,var(--gold-light) 0%,var(--gold) 100%);
  color:#0A1428;transform:translateY(-2px);
  box-shadow:0 0 28px rgba(200,169,106,0.45);
}
.btn-gold:active{transform:scale(0.97)}
.btn-gold:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.btn-ghost{
  background:rgba(255,255,255,0.06);color:var(--text);
  border:1px solid var(--border);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.btn-ghost:hover{
  background:rgba(255,255,255,0.10);border-color:var(--border-hover);
  color:var(--gold);transform:translateY(-2px);
}
.btn-ghost:active{transform:scale(0.97)}
.btn-ghost:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.btn-block{width:100%}
/* Header */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(10,20,40,0.85);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
  background:rgba(7,15,30,0.95);
  box-shadow:0 1px 0 rgba(200,169,106,0.20);
}
.header-top{
  padding:16px 0 8px;
}
.header-top .container{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand-logo{
  display:inline-flex;align-items:center;gap:12px;flex-shrink:0;
}
.logo-icon{
  width:40px;height:40px;border-radius:50%;
  background:rgba(255,255,255,0.10);
  border:1px solid rgba(200,169,106,0.35);
  display:flex;align-items:center;justify-content:center;
  color:var(--gold);font-size:18px;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.brand-logo span:last-child{
  font-size:20px;font-weight:700;color:var(--text);
  letter-spacing:0.5px;white-space:nowrap;
}
.header-right{
  display:flex;align-items:center;gap:14px;
}
.search-box{
  position:relative;display:none;
}
@media(min-width:1024px){
  .search-box{display:block}
}
.search-box input{
  width:220px;padding:10px 38px 10px 14px;border-radius:8px;
  background:rgba(0,0,0,0.30);border:1px solid var(--border);
  color:var(--text);font-size:14px;transition:border-color .25s ease;
}
.search-box input::placeholder{color:var(--text-disabled)}
.search-box input:focus{border-color:var(--gold)}
.search-box svg{
  position:absolute;right:12px;top:50%;transform:translateY(-50%);
  color:var(--text-secondary);pointer-events:none;
}
.hamburger{
  display:inline-flex;flex-direction:column;gap:5px;
  width:42px;height:42px;border-radius:8px;
  background:rgba(255,255,255,0.06);border:1px solid var(--border);
  align-items:center;justify-content:center;cursor:pointer;
  transition:all .25s ease;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:all .25s ease}
.hamburger:hover{border-color:var(--gold)}
.hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(min-width:1024px){.hamburger{display:none}}
/* 频道Tabs */
.header-tabs{
  padding:8px 0 12px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.header-tabs::-webkit-scrollbar{display:none}
.header-tabs .container{
  display:flex;gap:12px;white-space:nowrap;
}
.nav-tab{
  display:inline-flex;align-items:center;padding:8px 20px;
  border-radius:999px;font-size:14px;font-weight:500;
  color:var(--text-secondary);border:1px solid transparent;
  transition:all .25s ease;
}
.nav-tab:hover{
  color:var(--gold);background:rgba(200,169,106,0.08);
  border-color:rgba(200,169,106,0.25);
}
.nav-tab.active{
  background:gradient(135deg,var(--gold),#B8914F);
  background:linear-gradient(135deg,var(--gold) 0%,#B8914F 100%);
  color:#0A1428;font-weight:600;
  box-shadow:0 0 16px rgba(200,169,106,0.30);
}
/* 移动端抽屉菜单 */
.mobile-menu{
  display:none;position:fixed;top:112px;left:0;right:0;z-index:999;
  background:rgba(7,15,30,0.98);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  padding:24px;border-bottom:1px solid rgba(200,169,106,0.20);
}
.mobile-menu.open{display:block}
.mobile-menu a{
  display:block;padding:14px 0;font-size:16px;font-weight:500;
  border-bottom:1px solid rgba(255,255,255,0.06);
}
.mobile-menu a:last-child{border-bottom:none}
.mobile-menu a.active{color:var(--gold)}
@media(min-width:1024px){.mobile-menu{display:none!important}}
/* Hero */
.hero{
  position:relative;padding:200px 0 120px;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  overflow:hidden;
}
.hero::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,20,40,0.55) 0%,rgba(10,20,40,0.75) 60%,var(--bg) 100%);
}
.hero::after{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse at 70% 30%,rgba(200,169,106,0.10) 0%,transparent 60%);
}
.hero .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;align-items:center;gap:8px;font-size:13px;
  color:var(--text-secondary);margin-bottom:24px;
}
.breadcrumb a{color:var(--text-secondary)}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb .sep{color:var(--text-disabled)}
.breadcrumb .current{color:var(--gold)}
.hero h1{
  font-size:48px;font-weight:700;line-height:1.25;margin-bottom:24px;
  max-width:760px;letter-spacing:-0.5px;
}
.hero h1 .highlight{
  color:var(--gold);position:relative;
}
.hero .hero-sub{
  font-size:18px;line-height:1.8;color:var(--text-secondary);
  max-width:600px;margin-bottom:36px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
/* 通用Section */
.section{padding:96px 0}
.section-sm{padding:64px 0}
.section-head{margin-bottom:56px}
.section-head .tag{
  display:inline-block;padding:5px 16px;border-radius:999px;
  border:1px solid rgba(200,169,106,0.35);color:var(--gold);
  font-size:13px;font-weight:500;letter-spacing:1px;margin-bottom:16px;
}
.section-head h2{
  font-size:34px;font-weight:700;line-height:1.3;margin-bottom:16px;
}
.section-head .lead{
  font-size:16px;color:var(--text-secondary);max-width:560px;line-height:1.8;
}
/* 卖点卡片 */
.features-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.feature-card{
  padding:36px 28px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--border);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow);transition:all .25s ease;
}
.feature-card:hover{
  transform:translateY(-4px);border-color:var(--border-hover);
  box-shadow:var(--shadow-hover);
}
.feature-card .icon{
  width:52px;height:52px;border-radius:12px;
  background:rgba(200,169,106,0.12);border:1px solid rgba(200,169,106,0.30);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;color:var(--gold);margin-bottom:20px;
}
.feature-card h3{font-size:19px;font-weight:600;margin-bottom:12px}
.feature-card p{font-size:14px;color:var(--text-secondary);line-height:1.7}
/* 服务内容卡片 */
.service-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px;
}
.service-card{
  display:flex;gap:20px;padding:28px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--border);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  transition:all .25s ease;
}
.service-card:hover{
  transform:translateY(-4px);border-color:var(--border-hover);
  box-shadow:var(--shadow-hover);
}
.service-card .img-wrap{
  width:140px;height:120px;border-radius:12px;overflow:hidden;flex-shrink:0;
  position:relative;background:var(--bg-secondary);
}
.service-card .img-wrap img{width:100%;height:100%;object-fit:cover}
.service-card .img-wrap::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 50%,rgba(10,20,40,0.35));
}
.service-card .content{flex:1;display:flex;flex-direction:column;justify-content:center}
.service-card h3{font-size:18px;font-weight:600;margin-bottom:8px}
.service-card p{font-size:14px;color:var(--text-secondary);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
/* 流程 */
.process-section{
  background:var(--bg-secondary);position:relative;
}
.process-section::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse at 20% 50%,rgba(200,169,106,0.06) 0%,transparent 60%);
}
.process-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:1;
}
.process-step{
  text-align:center;padding:36px 20px;border-radius:var(--radius);
  background:rgba(255,255,255,0.04);border:1px solid var(--border);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  transition:all .25s ease;
}
.process-step:hover{transform:translateY(-4px);border-color:rgba(200,169,106,0.35)}
.process-step .num{
  width:56px;height:56px;margin:0 auto 20px;border-radius:16px;
  background:linear-gradient(135deg,var(--gold),#B8914F);
  color:#0A1428;font-size:22px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--gold-glow);
}
.process-step h3{font-size:18px;font-weight:600;margin-bottom:10px}
.process-step p{font-size:14px;color:var(--text-secondary);line-height:1.7}
/* 表单 */
.contact-section{position:relative}
.contact-card{
  max-width:640px;margin:0 auto;padding:48px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--border);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  box-shadow:var(--shadow);
}
.contact-card h2{font-size:28px;font-weight:700;margin-bottom:8px;text-align:center}
.contact-card .sub{
  text-align:center;color:var(--text-secondary);font-size:14px;margin-bottom:32px;
}
.form-group{margin-bottom:20px}
.form-group label{
  display:block;font-size:14px;font-weight:500;margin-bottom:8px;color:var(--text);
}
.form-group input,.form-group select,.form-group textarea{
  width:100%;padding:12px 16px;border-radius:8px;
  background:rgba(0,0,0,0.30);border:1px solid var(--border);
  color:var(--text);font-size:15px;transition:border-color .25s ease,box-shadow .25s ease;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  border-color:var(--gold);box-shadow:0 0 0 3px rgba(200,169,106,0.15);
}
.form-group select{cursor:pointer}
.form-group select option{background:var(--bg)}
.form-group textarea{min-height:110px;resize:vertical}
.form-group .error{color:#EF4444;font-size:12px;margin-top:6px;display:none}
.form-group.error input,.form-group.error select,.form-group.error textarea{border-color:#EF4444}
.form-submit-note{
  text-align:center;font-size:12px;color:var(--text-secondary);opacity:0.65;margin-top:16px;
}
.form-success{
  display:none;padding:14px 20px;border-radius:8px;margin-bottom:20px;
  background:rgba(16,185,129,0.15);border:1px solid rgba(16,185,129,0.40);
  color:#10B981;font-size:14px;text-align:center;
}
/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{
  border-radius:var(--radius-sm);margin-bottom:12px;
  background:var(--glass);border:1px solid var(--border);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:border-color .25s ease;
}
.faq-item.open{border-color:rgba(200,169,106,0.40)}
.faq-item .faq-q{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 22px;cursor:pointer;font-size:16px;font-weight:500;
  min-height:56px;user-select:none;
}
.faq-item .faq-q .arrow{
  width:24px;height:24px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,0.08);transition:transform .2s ease;
}
.faq-item.open .faq-q .arrow{transform:rotate(180deg)}
.faq-item .faq-q .arrow::after{
  content:'';width:0;height:0;border-left:5px solid transparent;
  border-right:5px solid transparent;border-top:6px solid var(--gold);
}
.faq-item .faq-a{
  display:none;padding:0 22px 20px;font-size:14px;color:var(--text-secondary);line-height:1.8;
}
.faq-item.open .faq-a{display:block}
/* CTA */
.cta-section{
  position:relative;padding:100px 0;text-align:center;overflow:hidden;
}
.cta-section::before{
  content:'';position:absolute;inset:0;
  background:url('/assets/images/backpic/back-3.png') center/cover no-repeat fixed;
}
.cta-section::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(11,27,58,0.92) 0%,rgba(15,37,87,0.85) 50%,rgba(200,169,106,0.18) 100%);
}
.cta-inner{position:relative;z-index:2}
.cta-inner h2{
  font-size:36px;font-weight:700;margin-bottom:16px;
}
.cta-inner p{
  font-size:16px;color:var(--text-secondary);max-width:560px;margin:0 auto 32px;line-height:1.8;
}
/* Footer */
.site-footer{background:#060D1F;border-top:1px solid rgba(200,169,106,0.15);padding:64px 0 0}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;margin-bottom:48px;
}
.footer-brand .brand-logo{margin-bottom:16px}
.footer-desc{
  font-size:14px;color:var(--text-secondary);line-height:1.8;margin-top:16px;max-width:280px;
}
.social-links{display:flex;gap:12px;margin-top:20px}
.social-link{
  width:36px;height:36px;border-radius:8px;
  background:rgba(255,255,255,0.06);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-secondary);transition:all .25s ease;
}
.social-link:hover{color:var(--gold);border-color:rgba(200,169,106,0.40);transform:translateY(-2px)}
.footer-title{
  font-size:15px;font-weight:600;margin-bottom:18px;color:var(--text);
}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:var(--text-secondary)}
.footer-links a:hover{color:var(--gold);padding-left:4px}
.footer-contact li{
  font-size:14px;color:var(--text-secondary);margin-bottom:12px;line-height:1.6;
}
.footer-contact a{color:var(--text-secondary)}
.footer-contact a:hover{color:var(--gold)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.06);padding:24px 0;
}
.footer-bottom .container{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
}
.footer-bottom p{font-size:13px;color:var(--text-disabled)}
/* 响应式 */
@media(max-width:1023px){
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .service-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:767px){
  .container{padding:0 16px}
  .hero{padding:160px 0 80px}
  .hero h1{font-size:32px}
  .hero-sub{font-size:16px!important}
  .section{padding:56px 0}
  .section-head h2{font-size:26px}
  .features-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .service-card{flex-direction:column}
  .service-card .img-wrap{width:100%;height:180px}
  .contact-card{padding:28px 20px}
  .cta-inner h2{font-size:28px}
  .header-top .search-box{display:none}
}
@media(max-width:520px){
  .hero-actions .btn{padding:11px 20px;font-size:14px}
  .breadcrumb{flex-wrap:wrap}
}