/* roulang page: index */
:root {
  --primary: #0D3B3A;
  --primary-light: #1F6E6A;
  --accent: #FF6B4A;
  --accent-hover: #FF7F5C;
  --bg-warm: #FAF7F2;
  --bg-white: #FFFFFF;
  --text-dark: #1A1A1A;
  --text-gray: #5C6570;
  --text-light: #8D969E;
  --border: #E8E2D9;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgba(13, 59, 58, 0.04);
  --shadow-lg: 0 12px 32px rgba(13, 59, 58, 0.10);
  --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.18);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  background: var(--bg-warm);
  color: var(--text-dark);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: 'tnum';
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
@media (max-width: 768px) {
  .section { padding: 64px 0; }
}

/* ---------- 导航 ---------- */
.site-header { position: relative; z-index: 50; background: var(--bg-white); }
.brand-bar { height: 64px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(232, 226, 217, 0.4); }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-lockup { display: flex; align-items: center; }
.logo-icon { width: 32px; height: 32px; flex-shrink: 0; color: var(--primary-light); }
.logo-text { font-size: 20px; font-weight: 700; color: var(--primary); letter-spacing: -0.3px; }
.logo-text span { color: var(--accent); }
.brand-tools { display: flex; align-items: center; gap: 14px; }
.brand-tools a { font-size: 14px; color: var(--text-gray); transition: color 0.2s; }
.brand-tools a:hover { color: var(--primary-light); }
.btn-cta-sm { display: inline-flex; align-items: center; gap: 6px; background: var(--accent); color: #fff; font-size: 14px; font-weight: 600; padding: 8px 18px; border-radius: var(--radius-sm); transition: all 0.3s var(--ease); }
.btn-cta-sm:hover { background: var(--accent-hover); transform: translateX(-3px); box-shadow: 0 4px 16px rgba(255, 107, 74, 0.3); }
.channel-bar { height: 48px; background: var(--bg-warm); border-bottom: 1px solid var(--border); }
.channel-scroll { display: flex; align-items: center; gap: 32px; height: 100%; overflow-x: auto; scrollbar-width: none; }
.channel-scroll::-webkit-scrollbar { display: none; }
.channel-link { position: relative; font-size: 15px; font-weight: 500; color: var(--text-gray); white-space: nowrap; padding: 12px 0 10px; transition: color 0.2s; }
.channel-link:hover { color: var(--primary-light); }
.channel-link.active { color: var(--primary); }
.channel-link.active::after { content: ''; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--primary-light); }
.site-header.sticky { position: fixed; top: 0; left: 0; right: 0; backdrop-filter: blur(12px); background: rgba(255, 255, 255, 0.92); box-shadow: var(--shadow-sm); z-index: 100; }
body.has-sticky-header { padding-top: 112px; }
@media (max-width: 768px) {
  .channel-scroll { gap: 20px; padding: 0 16px; }
  .brand-bar { padding: 0 16px; }
}

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 600px; height: auto; display: flex; align-items: center; background: linear-gradient(120deg, rgba(250,247,242,0.96) 0%, rgba(250,247,242,0.72) 45%, rgba(250,247,242,0.2) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat; padding: 120px 0 140px; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 78% 50%, rgba(31, 110, 106, 0.08) 0%, transparent 55%); }
.hero-inner { position: relative; z-index: 2; max-width: 700px; }
.hero h1 { font-size: 52px; font-weight: 600; line-height: 1.25; letter-spacing: -0.5px; color: var(--text-dark); margin-bottom: 20px; }
.hero h1 .brand { color: var(--primary); position: relative; white-space: nowrap; }
.hero h1 .brand::after { content: ''; position: absolute; left: 0; right: 0; bottom: 6px; height: 10px; background: rgba(255, 107, 74, 0.2); z-index: -1; }
.hero-sub { font-size: 18px; color: var(--text-gray); line-height: 1.8; margin-bottom: 32px; max-width: 600px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 48px; padding: 0 28px; border-radius: var(--radius-sm); font-size: 15px; font-weight: 600; transition: all 0.3s var(--ease); border: none; }
.btn:focus-visible { outline: 2px solid rgba(255, 107, 74, 0.5); outline-offset: 2px; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); transform: translateX(-3px); box-shadow: 0 8px 24px rgba(255, 107, 74, 0.3); }
.btn-primary:active { transform: translateY(1px); }
.btn-outline { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.btn-outline:hover { background: rgba(13, 59, 58, 0.08); }
.btn-outline:active { transform: translateY(1px); }
.btn-ghost { background: transparent; color: #fff; border: 1px solid rgba(255, 255, 255, 0.7); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.1); }
.scroll-hint { position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%); width: 24px; height: 40px; border: 2px solid var(--primary-light); border-radius: 14px; display: flex; justify-content: center; padding-top: 8px; opacity: 0.6; }
.scroll-hint::before { content: ''; width: 3px; height: 8px; background: var(--primary-light); border-radius: 3px; animation: scrollHint 1.6s infinite; }
@keyframes scrollHint { 0% { opacity: 1; transform: translateY(0); } 100% { opacity: 0; transform: translateY(14px); } }
@media (max-width: 768px) {
  .hero { padding: 80px 0 110px; }
  .hero h1 { font-size: 34px; }
  .hero-sub { font-size: 16px; }
  .hero-actions .btn { flex: 1; max-width: 200px; }
}

/* ---------- 痛点卡片 ---------- */
.pain-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.pain-card { background: #fff; border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: var(--radius-md); padding: 24px; display: flex; gap: 16px; align-items: flex-start; transition: box-shadow 0.3s, transform 0.3s; }
.pain-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.pain-num { font-size: 14px; color: var(--accent); font-weight: 700; min-width: 28px; }
.pain-card h3 { font-size: 17px; font-weight: 600; color: var(--text-dark); margin-bottom: 6px; }
.pain-card p { font-size: 14px; color: var(--text-gray); line-height: 1.6; }
@media (max-width: 768px) {
  .pain-grid { grid-template-columns: 1fr; }
}

/* ---------- 方案卡片（不对称） ---------- */
.solution-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 24px; }
.solution-card { background: #fff; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); transition: box-shadow 0.3s, transform 0.3s; }
.solution-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.solution-main { grid-row: span 2; display: flex; flex-direction: column; }
.solution-main .solution-img { height: 280px; overflow: hidden; position: relative; }
.solution-main .solution-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--ease); }
.solution-main:hover .solution-img img { transform: scale(1.03); }
.solution-img .badge { position: absolute; top: 16px; left: 16px; background: var(--primary); color: #fff; font-size: 12px; padding: 4px 12px; border-radius: var(--radius-pill); }
.solution-body { padding: 28px; }
.solution-main .solution-body { flex: 1; }
.solution-body h3 { font-size: 22px; font-weight: 600; margin-bottom: 10px; color: var(--text-dark); }
.solution-body p { font-size: 15px; color: var(--text-gray); line-height: 1.7; }
.solution-link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--primary-light); font-weight: 600; margin-top: 16px; transition: gap 0.2s; }
.solution-link:hover { gap: 10px; }
.solution-stack { display: flex; flex-direction: column; gap: 24px; }
@media (max-width: 768px) {
  .solution-grid { grid-template-columns: 1fr; }
  .solution-main .solution-img { height: 200px; }
}

/* ---------- 数据区块 ---------- */
.stats-section { background: linear-gradient(135deg, #0D3B3A 0%, #123C3B 100%); padding: 80px 0; position: relative; overflow: hidden; }
.stats-section::before { content: ''; position: absolute; top: -50%; right: -20%; width: 600px; height: 600px; border: 1px solid rgba(255, 255, 255, 0.08); border-radius: 50%; }
.stats-section::after { content: ''; position: absolute; bottom: 20%; left: -10%; width: 300px; height: 300px; border: 1px solid rgba(255, 255, 255, 0.05); border-radius: 50%; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; position: relative; z-index: 2; }
.stat-item { border-top: 1px solid rgba(255, 255, 255, 0.14); padding-top: 24px; }
.stat-num { font-size: 64px; font-weight: 700; line-height: 1.1; color: #fff; font-feature-settings: 'tnum'; }
.stat-num .accent { color: var(--accent); }
.stat-label { font-size: 15px; color: rgba(255, 255, 255, 0.7); margin-top: 8px; }
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .stat-num { font-size: 44px; }
}

/* ---------- 最新动态 ---------- */
.news-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.news-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; transition: box-shadow 0.3s, transform 0.3s; }
.news-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.news-featured { display: flex; flex-direction: column; }
.news-featured .news-img { height: 220px; overflow: hidden; }
.news-featured .news-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--ease); }
.news-featured:hover .news-img img { transform: scale(1.03); }
.news-body { padding: 24px; }
.news-meta { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--text-light); margin-bottom: 10px; }
.news-tag { background: rgba(31, 110, 106, 0.1); color: var(--primary-light); padding: 3px 10px; border-radius: var(--radius-pill); font-size: 12px; font-weight: 600; }
.news-card h3 { font-size: 18px; font-weight: 600; line-height: 1.45; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-featured h3 { font-size: 20px; }
.news-card p { font-size: 14px; color: var(--text-gray); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-list { display: flex; flex-direction: column; gap: 0; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.news-list .news-list-item { display: block; padding: 18px 24px; border-bottom: 1px solid var(--border); transition: background 0.2s; }
.news-list .news-list-item:last-child { border-bottom: none; }
.news-list .news-list-item:hover { background: var(--bg-warm); }
.news-list-item h4 { font-size: 16px; font-weight: 600; color: var(--text-dark); margin-bottom: 4px; transition: color 0.2s; }
.news-list-item:hover h4 { color: var(--primary-light); }
.news-list-item .news-excerpt { font-size: 13px; color: var(--text-gray); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.news-list-item .news-bottom { display: flex; align-items: center; justify-content: space-between; margin-top: 8px; font-size: 12px; color: var(--text-light); }
.news-empty { text-align: center; padding: 60px 24px; border: 1px dashed var(--border); border-radius: var(--radius-lg); color: var(--text-light); font-size: 15px; }
@media (max-width: 768px) {
  .news-grid { grid-template-columns: 1fr; }
}

/* ---------- 特色服务 ---------- */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card { background: #fff; border-radius: var(--radius-lg); padding: 28px; border: 1px solid var(--border); transition: box-shadow 0.3s, transform 0.3s; position: relative; }
.feature-card::before { content: ''; position: absolute; top: 0; left: 24px; right: 24px; height: 2px; background: var(--primary-light); opacity: 0; transition: opacity 0.3s; }
.feature-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.feature-card:hover::before { opacity: 1; }
.feature-icon { width: 48px; height: 48px; background: rgba(31, 110, 106, 0.1); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; color: var(--primary-light); font-size: 20px; margin-bottom: 18px; }
.feature-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: var(--text-gray); line-height: 1.7; }
@media (max-width: 768px) {
  .features-grid { grid-template-columns: 1fr; }
  .feature-card { padding: 24px; }
}

/* ---------- FAQ ---------- */
.faq-wrap { max-width: 768px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); margin-bottom: 12px; overflow: hidden; }
.faq-q { display: flex; align-items: center; gap: 14px; padding: 18px 24px; cursor: pointer; background: none; border: none; width: 100%; text-align: left; font-size: 16px; font-weight: 600; color: var(--text-dark); transition: background 0.2s; min-height: 56px; }
.faq-q:hover { background: rgba(250, 247, 242, 0.5); }
.faq-num { font-size: 13px; color: var(--accent); font-weight: 700; flex-shrink: 0; }
.faq-icon { margin-left: auto; width: 20px; height: 20px; position: relative; flex-shrink: 0; }
.faq-icon::before, .faq-icon::after { content: ''; position: absolute; background: var(--text-gray); border-radius: 2px; transition: all 0.3s var(--ease); }
.faq-icon::before { width: 12px; height: 2px; top: 9px; left: 4px; }
.faq-icon::after { width: 2px; height: 12px; top: 4px; left: 9px; }
.faq-item.open .faq-icon::after { transform: rotate(90deg); opacity: 0; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.4s var(--ease); }
.faq-a-inner { padding: 0 24px 20px 56px; border-left: 3px solid var(--primary-light); margin: 0 0 0 36px; font-size: 15px; color: var(--text-gray); line-height: 1.7; }
.faq-item.open .faq-a { max-height: 300px; }
@media (max-width: 768px) {
  .faq-a-inner { padding: 0 16px 16px 20px; margin: 0 0 0 24px; }
}

/* ---------- CTA ---------- */
.cta-section { background: linear-gradient(135deg, #0D3B3A 0%, #123C3B 100%); border-radius: var(--radius-xl); padding: 56px 48px; display: flex; align-items: center; justify-content: space-between; gap: 32px; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; top: -60px; right: -40px; width: 220px; height: 220px; border: 1px solid rgba(255, 255, 255, 0.08); border-radius: 50%; }
.cta-left h2 { color: #fff; font-size: 32px; font-weight: 600; letter-spacing: -0.3px; line-height: 1.4; }
.cta-left p { color: rgba(255, 255, 255, 0.7); font-size: 16px; margin-top: 10px; }
@media (max-width: 768px) {
  .cta-section { flex-direction: column; text-align: center; padding: 40px 24px; }
  .cta-left h2 { font-size: 24px; }
}

/* ---------- 页脚 ---------- */
.site-footer { background: #0D3B3A; padding: 64px 0 0; margin-top: 96px; }
.site-footer .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-brand .footer-logo { color: #fff; font-size: 20px; font-weight: 700; display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand p { color: rgba(255, 255, 255, 0.6); font-size: 14px; line-height: 1.7; }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a { width: 36px; height: 36px; border-radius: 50%; background: rgba(255, 255, 255, 0.08); display: flex; align-items: center; justify-content: center; color: rgba(255, 255, 255, 0.8); font-size: 14px; transition: all 0.3s; }
.footer-social a:hover { background: var(--accent); color: #fff; }
.footer-col h4 { color: #fff; font-size: 14px; font-weight: 600; margin-bottom: 18px; letter-spacing: 0.5px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: rgba(255, 255, 255, 0.7); font-size: 13px; transition: all 0.2s; display: inline-block; }
.footer-col a:hover { color: #fff; text-decoration: underline; }
.footer-col .footer-contact-item { display: flex; align-items: flex-start; gap: 10px; color: rgba(255, 255, 255, 0.7); font-size: 13px; margin-bottom: 12px; }
.footer-col .footer-contact-item i { color: var(--accent); margin-top: 3px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding: 20px 0; text-align: center; color: rgba(255, 255, 255, 0.5); font-size: 13px; }
.footer-bottom a { color: rgba(255, 255, 255, 0.6); }
@media (max-width: 1024px) {
  .site-footer .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .site-footer .footer-grid { grid-template-columns: 1fr; }
  .site-footer { margin-top: 64px; }
}

/* ---------- 表单弹层 ---------- */
.modal-overlay { position: fixed; inset: 0; background: rgba(13, 59, 58, 0.45); backdrop-filter: blur(8px); z-index: 200; display: none; align-items: center; justify-content: center; padding: 20px; }
.modal-overlay.open { display: flex; }
.modal-box { background: #fff; border-radius: var(--radius-xl); max-width: 480px; width: 100%; padding: 40px; position: relative; box-shadow: var(--shadow-xl); max-height: 90vh; overflow-y: auto; }
.modal-close { position: absolute; top: 16px; right: 16px; width: 32px; height: 32px; border-radius: 50%; background: #f1efe9; border: none; color: var(--text-gray); font-size: 14px; display: flex; align-items: center; justify-content: center; transition: all 0.2s; }
.modal-close:hover { background: var(--text-dark); color: #fff; }
.modal-box h3 { font-size: 22px; font-weight: 600; color: var(--text-dark); margin-bottom: 6px; }
.modal-box .modal-sub { font-size: 14px; color: var(--text-light); margin-bottom: 24px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 500; color: var(--text-gray); margin-bottom: 6px; }
.form-control { width: 100%; height: 48px; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 0 16px; font-size: 15px; color: var(--text-dark); transition: all 0.2s; background: #fff; }
.form-control:focus { outline: none; border-color: var(--primary-light); box-shadow: 0 0 0 2px rgba(31, 110, 106, 0.15); }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238D969E' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; }
.btn-block { width: 100%; }
.privacy-note { font-size: 12px; color: var(--text-light); margin-top: 12px; display: flex; align-items: center; gap: 6px; justify-content: center; }
@media (max-width: 480px) {
  .modal-box { padding: 28px 20px; }
}

/* ---------- 滚动动效 ---------- */
.fade-up { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.fade-up.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .fade-up { opacity: 1; transform: none; transition: none; }
  .hero h1 .word, .stat-num { animation: none !important; }
}

/* 滚动指示器动画 */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }

/* section标题 */
.section-head { margin-bottom: 48px; }
.section-head .eyebrow { display: inline-block; background: rgba(31, 110, 106, 0.1); color: var(--primary-light); font-size: 13px; font-weight: 600; padding: 4px 14px; border-radius: var(--radius-pill); margin-bottom: 16px; letter-spacing: 0.5px; }
.section-head h2 { font-size: 34px; font-weight: 600; color: var(--text-dark); letter-spacing: -0.3px; line-height: 1.35; }
.section-head p { font-size: 16px; color: var(--text-gray); margin-top: 12px; max-width: 640px; }
@media (max-width: 768px) {
  .section-head h2 { font-size: 26px; }
}

/* 通用badge */
.badge { display: inline-block; background: rgba(31, 110, 106, 0.1); color: var(--primary-light); font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: var(--radius-pill); }

/* 分隔线 */
.divider { border: none; border-top: 1px solid var(--border); margin: 0; }

/* roulang page: article */
:root {
  --primary: #0D3B3A;
  --primary-light: #1F6E6A;
  --accent: #FF6B4A;
  --accent-hover: #FF7F5C;
  --bg: #FAF7F2;
  --white: #FFFFFF;
  --text: #1A1A1A;
  --text-gray: #5C6570;
  --text-light: #8D969E;
  --border: #E8E2D9;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-full: 999px;
  --shadow-sm: 0 2px 8px rgba(13,59,58,0.04);
  --shadow-hover: 0 12px 32px rgba(13,59,58,0.10);
  --shadow-modal: 0 24px 64px rgba(0,0,0,0.18);
  --font-family: "PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-family);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "tnum";
}
img { max-width: 100%; display: block; }
a { color: var(--primary-light); text-decoration: none; transition: color 0.3s; }
a:hover { color: var(--accent); }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }
.container { max-width: 1400px; margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 12px rgba(13,59,58,0.06);
}
.brand-bar { height: 64px; background: var(--white); border-bottom: 1px solid var(--border); }
.channel-bar { height: 48px; background: var(--bg); border-bottom: 1px solid var(--border); }
.channel-scroll { display: flex; gap: 32px; overflow-x: auto; scrollbar-width: none; }
.channel-scroll::-webkit-scrollbar { display: none; }
.channel-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-gray);
  padding: 13px 0;
  position: relative;
  white-space: nowrap;
  transition: color 0.3s;
}
.channel-link:hover { color: var(--primary); }
.channel-link.active { color: var(--primary); }
.channel-link.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px 2px 0 0;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; color: var(--primary); letter-spacing: -0.3px; }
.logo-icon { width: 32px; height: 32px; color: var(--primary-light); flex-shrink: 0; }
.logo-text b { font-weight: 700; color: var(--accent); }
.brand-tools { display: flex; align-items: center; gap: 20px; }
.brand-tools a { font-size: 14px; color: var(--text-gray); }
.brand-tools a:hover { color: var(--primary); }
.btn-cta-sm {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 18px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  transition: background 0.3s, transform 0.2s, box-shadow 0.3s;
}
.btn-cta-sm:hover {
  background: var(--primary-light);
  color: #fff;
  transform: translateX(-3px);
  box-shadow: 0 8px 20px rgba(13,59,58,0.18);
}
.btn-cta-sm:focus-visible,
.modal-close:focus-visible,
.btn:focus-visible,
.pager-link:focus-visible {
  outline: 2px solid rgba(255,107,74,0.5);
  outline-offset: 2px;
}

/* Breadcrumb */
.breadcrumb-bar {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  font-size: 13px;
  color: var(--text-light);
}
.breadcrumb-bar a { color: var(--text-gray); transition: color 0.3s; }
.breadcrumb-bar a:hover { color: var(--primary); }
.breadcrumb-bar .sep { margin: 0 8px; color: #C9C2B8; }
.breadcrumb-bar .current { color: var(--text-gray); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Article layout */
.article-wrap { padding: 48px 24px 64px; }
.article-layout { display: grid; grid-template-columns: minmax(0,1fr) 360px; gap: 32px; align-items: start; }
.article-main {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 56px;
  box-shadow: var(--shadow-sm);
}
.article-meta-top { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  background: rgba(31,110,106,0.08);
  color: var(--primary-light);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
}
.article-date { font-size: 13px; color: var(--text-light); display: inline-flex; align-items: center; gap: 6px; }
.article-main h1 {
  font-size: 38px;
  line-height: 1.25;
  font-weight: 600;
  letter-spacing: -0.5px;
  color: var(--primary);
  margin: 0 0 8px;
}
.article-content { margin-top: 8px; font-size: 16px; line-height: 1.8; color: var(--text); }
.article-content h2 {
  font-size: 28px;
  font-weight: 600;
  color: var(--primary);
  margin: 40px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  letter-spacing: -0.3px;
}
.article-content h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--primary);
  margin: 32px 0 12px;
}
.article-content h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin: 24px 0 10px;
}
.article-content p { margin: 0 0 24px; }
.article-content strong { font-weight: 600; color: var(--primary); }
.article-content img {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin: 24px 0;
  height: auto;
}
.article-content a { text-decoration: underline; text-underline-offset: 2px; text-decoration-color: rgba(31,110,106,0.4); }
.article-content a:hover { color: var(--accent); text-decoration-color: var(--accent); }
.article-content ul, .article-content ol { margin: 0 0 24px; padding-left: 24px; }
.article-content li { margin-bottom: 8px; }
.article-content blockquote {
  border-left: 4px solid var(--primary-light);
  background: var(--bg);
  padding: 16px 20px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 0 0 24px;
  color: var(--text-gray);
}
.article-content table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 15px; }
.article-content th, .article-content td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; }
.article-content th { background: rgba(13,59,58,0.04); font-weight: 600; color: var(--primary); }
.article-content hr { border: none; border-top: 1px solid var(--border); margin: 32px 0; }

/* Article footer meta */
.article-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border); }
.tag-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 13px;
  color: var(--text-gray);
  transition: all 0.3s;
}
.tag-chip:hover { background: rgba(31,110,106,0.08); border-color: var(--primary-light); color: var(--primary-light); }

.article-pager { display: flex; justify-content: space-between; gap: 12px; margin-top: 28px; flex-wrap: wrap; }
.pager-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-gray);
  padding: 10px 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--white);
  transition: all 0.3s;
}
.pager-link:hover {
  border-color: var(--primary-light);
  color: var(--primary-light);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}
.article-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: #fff;
  background: var(--primary);
  padding: 10px 24px;
  border-radius: 8px;
  transition: all 0.3s;
}
.article-back-btn:hover { background: var(--primary-light); color: #fff; transform: translateX(-3px); box-shadow: var(--shadow-hover); }

/* Not found */
.not-found { text-align: center; padding: 80px 24px; }
.not-found-icon {
  width: 88px;
  height: 88px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: rgba(31,110,106,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  font-size: 36px;
}
.not-found h1 { font-size: 32px; color: var(--primary); margin: 0 0 12px; }
.not-found p { color: var(--text-gray); font-size: 15px; margin: 0 0 32px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  border: none;
  transition: all 0.3s;
}
.btn-primary { background: var(--accent); color: #fff !important; box-shadow: 0 6px 16px rgba(255,107,74,0.28); }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); color: #fff !important; box-shadow: 0 10px 24px rgba(255,107,74,0.32); }
.btn-primary:active { transform: translateY(0); }
.btn-outline { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.btn-outline:hover { background: rgba(13,59,58,0.08); color: var(--primary); transform: translateY(-2px); }

/* Sidebar */
.article-sidebar { display: flex; flex-direction: column; gap: 24px; }
.sidebar-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}
.sidebar-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  margin: 0 0 18px;
  padding-left: 12px;
  border-left: 3px solid var(--accent);
  line-height: 1.4;
}
.author-card { text-align: center; }
.author-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 600;
  margin: 0 auto 14px;
  box-shadow: 0 8px 20px rgba(13,59,58,0.16);
}
.author-card h3 { font-size: 18px; font-weight: 600; color: var(--text); margin: 0 0 8px; }
.author-card p { font-size: 14px; color: var(--text-gray); line-height: 1.6; margin: 0; }
.related-list { list-style: none; padding: 0; margin: 0; }
.related-list li + li { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--border); }
.related-list a { display: flex; flex-direction: column; gap: 6px; }
.related-list .related-title { font-size: 15px; font-weight: 500; color: var(--text); transition: color 0.3s; line-height: 1.5; }
.related-list a:hover .related-title { color: var(--primary-light); }
.related-list .related-meta { display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--text-light); }
.sidebar-cats { display: flex; flex-direction: column; gap: 4px; }
.sidebar-cats a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-gray);
  transition: all 0.3s;
}
.sidebar-cats a:hover { background: rgba(31,110,106,0.06); color: var(--primary-light); }
.sidebar-cats a i { color: var(--text-light); font-size: 12px; transition: transform 0.3s; }
.sidebar-cats a:hover i { transform: translateX(4px); color: var(--primary-light); }

/* Related narrow cards */
.related-narrow { padding: 0 24px 64px; }
.related-narrow .section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.related-narrow .section-head h2 { font-size: 28px; font-weight: 600; color: var(--primary); margin: 0; }
.related-narrow .section-head a { font-size: 14px; color: var(--primary-light); }
.related-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 24px; }
.related-card {
  display: flex;
  gap: 20px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: all 0.3s;
}
.related-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-color: rgba(31,110,106,0.3); }
.related-card img { width: 140px; height: 96px; object-fit: cover; border-radius: 10px; flex-shrink: 0; }
.related-card .rc-body { display: flex; flex-direction: column; justify-content: center; gap: 8px; }
.related-card .rc-title { font-size: 16px; font-weight: 600; color: var(--text); line-height: 1.5; transition: color 0.3s; }
.related-card a:hover .rc-title { color: var(--primary-light); }
.related-card .rc-meta { font-size: 12px; color: var(--text-light); }
.related-card .rc-link { font-size: 13px; color: var(--primary-light); font-weight: 500; }

/* CTA */
.cta-section {
  position: relative;
  padding: 80px 24px;
  background: linear-gradient(135deg, rgba(13,59,58,0.94) 0%, rgba(18,60,59,0.96) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: #fff;
  text-align: center;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 120%, rgba(255,107,74,0.14) 0%, transparent 50%);
}
.cta-inner { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }
.cta-section h2 { font-size: 34px; font-weight: 600; margin: 0 0 16px; letter-spacing: -0.3px; }
.cta-section p { font-size: 16px; color: rgba(255,255,255,0.72); margin: 0 0 32px; line-height: 1.7; }
.cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-ghost { background: transparent; color: #fff !important; border: 1px solid rgba(255,255,255,0.6); }
.btn-ghost:hover { background: rgba(255,255,255,0.1); color: #fff !important; border-color: #fff; transform: translateY(-2px); }

/* Footer */
.site-footer { background: var(--primary); color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 48px; padding: 64px 0 48px; }
.footer-logo { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; }
.footer-brand p { margin: 16px 0 20px; font-size: 14px; line-height: 1.7; color: rgba(255,255,255,0.65); max-width: 320px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  transition: all 0.3s;
}
.footer-social a:hover { background: var(--accent); color: #fff; border-color: var(--accent); transform: translateY(-2px); }
.footer-col h4 { font-size: 14px; font-weight: 600; margin: 0 0 16px; color: rgba(255,255,255,0.9); }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li + li { margin-top: 10px; }
.footer-col a { font-size: 13px; color: rgba(255,255,255,0.7); transition: all 0.3s; }
.footer-col a:hover { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.footer-contact-item { display: flex; align-items: center; gap: 10px; font-size: 13px; color: rgba(255,255,255,0.7); margin-bottom: 12px; }
.footer-contact-item i { width: 16px; color: var(--accent); text-align: center; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0; }
.footer-bottom .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.footer-bottom p { margin: 0; font-size: 12px; color: rgba(255,255,255,0.5); }
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: #fff; }

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(13,59,58,0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal-overlay.show { display: flex; }
.modal-card {
  position: relative;
  width: 100%;
  max-width: 480px;
  background: var(--white);
  border-radius: 20px;
  padding: 40px;
  box-shadow: var(--shadow-modal);
  animation: modalIn 0.35s cubic-bezier(0.22,1,0.36,1);
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(24px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--bg);
  border: none;
  color: var(--text-gray);
  font-size: 18px;
  line-height: 1;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.3s;
}
.modal-close:hover { background: var(--primary); color: #fff; }
.modal-card h3 { font-size: 24px; font-weight: 600; color: var(--primary); margin: 0 0 8px; }
.modal-card .modal-sub { font-size: 14px; color: var(--text-light); margin: 0 0 24px; }
.modal-field {
  width: 100%;
  height: 48px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0 16px;
  font-size: 14px;
  color: var(--text);
  transition: border-color 0.3s, box-shadow 0.3s;
  margin-bottom: 14px;
}
.modal-field:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(31,110,106,0.15);
}
.modal-btn {
  width: 100%;
  height: 48px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  transition: all 0.3s;
}
.modal-btn:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(255,107,74,0.32); }
.privacy-note { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-light); margin: 12px 0 0; }
.privacy-note i { color: var(--primary-light); }

/* Responsive */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: minmax(0,1fr) 320px; gap: 24px; }
  .article-main { padding: 36px 32px; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .brand-tools .hidden { display: none !important; }
  .article-wrap { padding: 24px 16px 48px; }
  .article-layout { grid-template-columns: 1fr; }
  .article-main { padding: 28px 20px; }
  .article-main h1 { font-size: 28px; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-section { padding: 64px 24px; }
  .cta-section h2 { font-size: 28px; }
  .related-card img { width: 112px; height: 80px; }
}
@media (max-width: 520px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .brand-bar .container { padding-left: 16px; padding-right: 16px; }
  .logo-text { font-size: 18px; }
  .btn-cta-sm { padding: 0 14px; font-size: 13px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .article-main { padding: 24px 16px; }
  .article-content { font-size: 15px; }
  .article-content h2 { font-size: 24px; }
  .article-content h3 { font-size: 20px; }
  .related-card { flex-direction: column; }
  .related-card img { width: 100%; height: 160px; }
  .modal-card { padding: 32px 24px; }
}

/* roulang page: category1 */
:root {
  --primary: #0D3B3A;
  --primary-light: #1F6E6A;
  --accent: #FF6B4A;
  --accent-hover: #FF7F5C;
  --bg: #FAF7F2;
  --white: #FFFFFF;
  --text-main: #1A1A1A;
  --text-secondary: #5C6570;
  --text-muted: #8D969E;
  --border: #E8E2D9;
  --dark-grad: linear-gradient(135deg, #0D3B3A 0%, #123C3B 100%);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 999px;
  --shadow-sm: 0 2px 8px rgba(13, 59, 58, 0.04);
  --shadow-md: 0 12px 32px rgba(13, 59, 58, 0.10);
  --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.18);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

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

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s var(--ease);
}

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

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

@media (max-width: 768px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }
}

/* ========== Header ========== */
.site-header {
  position: relative;
  z-index: 100;
  background: var(--white);
}

.site-header.sticky {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  animation: headerSlide 0.45s var(--ease) both;
}

@keyframes headerSlide {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(0);
  }
}

.brand-bar {
  height: 64px;
  background: var(--white);
}

.brand-bar .logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--primary);
}

.logo-icon {
  width: 32px;
  height: 32px;
  color: var(--primary-light);
  flex-shrink: 0;
}

.logo-text {
  white-space: nowrap;
}

.brand-tools {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
  color: var(--text-secondary);
}

.brand-tools a:hover {
  color: var(--primary-light);
}

.btn-cta-sm {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 16px;
  background: var(--primary);
  color: #fff !important;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  transition: background 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.btn-cta-sm:hover {
  background: var(--accent);
  transform: translateX(-3px);
  box-shadow: 0 8px 20px rgba(255, 107, 74, 0.25);
}

.btn-cta-sm:focus-visible {
  outline: 2px solid rgba(255, 107, 74, 0.5);
  outline-offset: 2px;
}

.channel-bar {
  height: 48px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
}

.channel-scroll {
  display: flex;
  align-items: center;
  gap: 32px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  white-space: nowrap;
}

.channel-scroll::-webkit-scrollbar {
  display: none;
}

.channel-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 48px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  transition: color 0.3s var(--ease);
}

.channel-link::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary-light);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}

.channel-link:hover {
  color: var(--primary-light);
}

.channel-link:hover::after,
.channel-link.active::after {
  transform: scaleX(1);
}

.channel-link.active {
  color: var(--primary);
  font-weight: 600;
}

/* ========== Buttons ========== */
.btn-primary,
.btn-outline,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), box-shadow 0.3s var(--ease), transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

.btn-primary:focus-visible,
.btn-outline:focus-visible,
.btn-ghost:focus-visible {
  outline: 2px solid rgba(255, 107, 74, 0.5);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 16px rgba(255, 107, 74, 0.2);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateX(-3px);
  box-shadow: 0 10px 28px rgba(255, 107, 74, 0.28);
}

.btn-primary:active {
  transform: translateY(1px);
}

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

.btn-outline:hover {
  background: rgba(13, 59, 58, 0.08);
  transform: translateX(-3px);
}

.btn-outline:active {
  transform: translateY(1px);
}

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.65);
  color: #fff;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
}

/* ========== Category Hero ========== */
.category-hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  background-image: url("/assets/images/backpic/back-1.webp");
  background-size: cover;
  background-position: center 30%;
  overflow: hidden;
  padding: 80px 0 64px;
}

.category-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top right, rgba(250, 247, 242, 0.94), rgba(250, 247, 242, 0.78) 35%, rgba(250, 247, 242, 0.82) 65%, rgba(250, 247, 242, 0.55) 100%);
  z-index: 1;
}

.category-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 70% 40%, rgba(31, 110, 106, 0.12) 0 1.5px, transparent 1.5px);
  background-size: 26px 26px;
  z-index: 1;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  background: rgba(13, 59, 58, 0.08);
  border: 1px solid rgba(13, 59, 58, 0.16);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3px;
  margin-bottom: 22px;
}

.category-hero h1 {
  font-size: 56px;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--primary);
  margin-bottom: 18px;
}

.category-hero .hero-desc {
  max-width: 640px;
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 480px;
  gap: 24px;
  border-top: 1px solid var(--border);
  padding-top: 24px;
}

.hero-stats strong {
  display: block;
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}

.hero-stats span {
  font-size: 13px;
  color: var(--text-muted);
}

.scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: 28px;
  height: 46px;
  border: 2px solid rgba(13, 59, 58, 0.25);
  border-radius: 20px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}

.scroll-hint::before {
  content: "";
  width: 4px;
  height: 8px;
  background: var(--primary-light);
  border-radius: 4px;
  animation: scrollDot 1.8s infinite var(--ease);
}

@keyframes scrollDot {
  0% {
    opacity: 0;
    transform: translateY(0);
  }
  35% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateY(14px);
  }
}

/* ========== Anchor Pills ========== */
.anchor-section {
  padding: 32px 0;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header.sticky+.anchor-section {
  top: 112px;
}

.anchor-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.anchor-pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  border-radius: var(--radius-full);
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s var(--ease);
}

.anchor-pill:hover {
  color: var(--primary);
  border-color: var(--primary-light);
  background: rgba(31, 110, 106, 0.06);
}

.anchor-pill.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ========== Section Common ========== */
.section-block {
  padding: 88px 0;
}

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

.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}

.section-head .section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--primary-light);
  margin-bottom: 12px;
}

.section-head .section-tag::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.section-head h2 {
  font-size: 36px;
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--primary);
  margin-bottom: 14px;
}

.section-head p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ========== Feature / Game Card Grid ========== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.card-focus {
  grid-column: span 7;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.4s var(--ease), transform 0.4s var(--ease);
}

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

.card-stack {
  grid-column: span 5;
  display: grid;
  grid-template-rows: 1fr 1fr;
  gap: 24px;
}

.card-normal {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.4s var(--ease), transform 0.4s var(--ease);
}

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

.card-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.card-focus .card-media {
  aspect-ratio: 16 / 10;
}

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

.card-focus:hover .card-media img,
.card-normal:hover .card-media img {
  transform: scale(1.03);
}

.card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  background: rgba(13, 59, 58, 0.82);
  backdrop-filter: blur(6px);
  color: #fff;
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius-full);
  letter-spacing: 0.3px;
}

.card-body {
  padding: 24px;
}

.card-focus .card-body {
  padding: 28px;
}

.card-body .card-cat {
  font-size: 13px;
  color: var(--primary-light);
  font-weight: 600;
  margin-bottom: 8px;
}

.card-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.45;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-focus .card-body h3 {
  font-size: 24px;
}

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

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}

.card-link {
  color: var(--primary-light);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.card-link i {
  transition: transform 0.3s var(--ease);
}

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

/* second row cards */
.card-row {
  grid-column: span 12;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 24px;
}

.card-row .card-normal .card-media {
  aspect-ratio: 4 / 3;
}

/* ========== Steps ========== */
.steps-wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  position: relative;
}

.steps-wrap::before {
  content: "";
  position: absolute;
  top: 36px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg, rgba(31, 110, 106, 0.12), rgba(13, 59, 58, 0.18), rgba(31, 110, 106, 0.12));
  z-index: 0;
}

.step-item {
  position: relative;
  z-index: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: box-shadow 0.4s var(--ease), transform 0.4s var(--ease);
}

.step-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.step-num {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  border-radius: var(--radius-full);
  background: var(--primary);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(13, 59, 58, 0.2);
}

.step-item h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

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

/* ========== Ranking ========== */
.ranking-block {
  background: var(--dark-grad);
  position: relative;
  overflow: hidden;
}

.ranking-block::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 0 40px rgba(255, 255, 255, 0.03), 0 0 0 80px rgba(255, 255, 255, 0.02);
}

.ranking-block .section-head h2 {
  color: #fff;
}

.ranking-block .section-head p {
  color: rgba(255, 255, 255, 0.65);
}

.ranking-block .section-tag {
  color: rgba(255, 255, 255, 0.85);
}

.ranking-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
}

.ranking-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ranking-item {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  transition: background 0.3s var(--ease), transform 0.3s var(--ease);
}

.ranking-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(6px);
}

.rank-num {
  font-size: 28px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.25);
  font-style: italic;
  letter-spacing: -1px;
}

.ranking-item:nth-child(1) .rank-num {
  color: var(--accent);
}

.ranking-item:nth-child(2) .rank-num {
  color: rgba(255, 255, 255, 0.85);
}

.ranking-item:nth-child(3) .rank-num {
  color: rgba(255, 255, 255, 0.55);
}

.rank-info h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 2px;
}

.rank-info span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

.rank-heat {
  display: flex;
  align-items: center;
  gap: 12px;
}

.rank-heat .heat-num {
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  min-width: 44px;
  text-align: right;
}

.rank-bar-wrap {
  width: 120px;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.rank-bar {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--primary-light), var(--accent));
  transform-origin: left;
  animation: shrinkIn 1.2s var(--ease) both;
}

@keyframes shrinkIn {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

.ranking-note {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.ranking-note .note-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 24px;
}

.ranking-note .note-card i {
  color: var(--accent);
  font-size: 22px;
  margin-bottom: 12px;
}

.ranking-note .note-card h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.ranking-note .note-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
}

/* ========== Split / Advanced ========== */
.split-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.split-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  position: relative;
}

.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 380px;
}

.split-media .split-tag {
  position: absolute;
  top: 18px;
  left: 18px;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: var(--radius-full);
}

.split-content h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.25;
  margin-bottom: 18px;
}

.split-content .lead {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 28px;
}

.tip-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 28px;
}

.tip-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}

.tip-item:hover {
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.tip-item .tip-icon {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(31, 110, 106, 0.1);
  color: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.tip-item h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 4px;
}

.tip-item p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.progress-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.progress-item .progress-head {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.progress-item .progress-head strong {
  color: var(--primary);
}

.progress-track {
  height: 8px;
  background: rgba(13, 59, 58, 0.07);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--primary-light), var(--accent));
}

/* ========== Topics ========== */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.topic-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  overflow: hidden;
  transition: box-shadow 0.4s var(--ease), transform 0.4s var(--ease);
}

.topic-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.topic-num {
  font-size: 48px;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(13, 59, 58, 0.18);
  line-height: 1;
  margin-bottom: 18px;
}

.topic-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.topic-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 18px;
}

.topic-card .topic-more {
  color: var(--primary-light);
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.topic-card .topic-more i {
  transition: transform 0.3s var(--ease);
}

.topic-card .topic-more:hover i {
  transform: translateX(4px);
}

.topic-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: rgba(255, 107, 74, 0.1);
  color: var(--accent);
  font-weight: 600;
}

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

.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}

.faq-item:hover {
  border-color: rgba(31, 110, 106, 0.4);
  box-shadow: var(--shadow-sm);
}

.faq-item.open {
  border-color: rgba(31, 110, 106, 0.4);
  box-shadow: var(--shadow-sm);
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  text-align: left;
  background: none;
  cursor: pointer;
}

.faq-num {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(13, 59, 58, 0.06);
  border: 1px solid rgba(13, 59, 58, 0.12);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}

.faq-item.open .faq-num {
  background: var(--primary);
  color: #fff;
}

.faq-q-text {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
}

.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(13, 59, 58, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  font-size: 14px;
  transition: transform 0.35s var(--ease), background 0.3s var(--ease);
}

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

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease);
}

.faq-a-inner {
  padding: 0 22px 20px 72px;
  border-left: 3px solid var(--primary-light);
  margin-left: 22px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ========== CTA ========== */
.cta-banner {
  background: var(--dark-grad);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: "";
  position: absolute;
  bottom: -80px;
  right: 80px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 0 36px rgba(255, 255, 255, 0.03);
}

.cta-banner h2 {
  color: #fff;
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 10px;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 15px;
  line-height: 1.7;
  max-width: 520px;
}

.cta-banner .btn-primary {
  flex-shrink: 0;
  height: 52px;
  padding: 0 36px;
  font-size: 16px;
}

/* ========== Review / Footer ========== */
.site-footer {
  background: var(--primary);
  margin-top: 88px;
  padding-top: 64px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  line-height: 1.75;
  margin-bottom: 20px;
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  transition: all 0.3s var(--ease);
}

.footer-social a:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
  transform: translateY(-3px);
}

.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
}

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

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
  transition: color 0.3s var(--ease), padding-left 0.3s var(--ease);
}

.footer-col ul li a:hover {
  color: #fff;
  padding-left: 6px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
  margin-bottom: 12px;
}

.footer-contact-item i {
  color: rgba(255, 255, 255, 0.4);
  width: 18px;
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 18px 0;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.45);
  font-size: 13px;
  text-align: center;
}

/* ========== Modal ========== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(13, 59, 58, 0.55);
  backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s var(--ease), visibility 0.35s var(--ease);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  width: 100%;
  max-width: 480px;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  background: var(--white);
  border-radius: 20px;
  padding: 40px 36px 28px;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: transform 0.4s var(--ease);
}

.modal-overlay.active .modal-box {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}

.modal-close:hover {
  background: var(--primary);
  color: #fff;
}

.modal-box h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.modal-box .modal-sub {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.modal-form label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: -6px;
}

.modal-form .form-control {
  height: 48px;
  width: 100%;
  padding: 0 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  font-size: 15px;
  color: var(--text-main);
  outline: none;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.modal-form .form-control:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(31, 110, 106, 0.15);
  background: #fff;
}

.modal-form 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='%235C6570' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}

.modal-form .btn-primary {
  width: 100%;
  margin-top: 6px;
}

.privacy-note {
  display: flex;
  align-items: center;
  gap: 6px;
  justify-content: center;
  margin-top: 16px;
  font-size: 12px;
  color: var(--text-muted);
}

.privacy-note i {
  color: var(--text-muted);
}

/* ========== Reveal ========== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .section-block {
    padding: 72px 0;
  }

  .category-hero h1 {
    font-size: 46px;
  }

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

  .card-focus {
    grid-column: span 2;
  }

  .card-stack {
    grid-column: span 2;
    grid-template-rows: none;
    grid-template-columns: 1fr 1fr;
  }

  .card-row {
    grid-column: span 2;
    grid-template-columns: repeat(3, 1fr);
  }

  .steps-wrap {
    grid-template-columns: 1fr 1fr;
  }

  .steps-wrap::before {
    display: none;
  }

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

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

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

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

@media (max-width: 768px) {
  .brand-bar {
    height: 58px;
  }

  .brand-tools a.hidden {
    display: none !important;
  }

  .channel-link {
    font-size: 14px;
  }

  .category-hero {
    min-height: auto;
    padding: 60px 0 48px;
  }

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

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

  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }

  .hero-stats strong {
    font-size: 24px;
  }

  .section-head h2 {
    font-size: 28px;
  }

  .section-head {
    margin-bottom: 32px;
  }

  .card-focus {
    grid-column: span 1;
  }

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

  .card-row {
    grid-column: span 1;
    grid-template-columns: 1fr;
    margin-top: 0;
  }

  .card-row .card-normal .card-media {
    aspect-ratio: 16 / 9;
  }

  .anchor-section {
    top: 0;
    position: static;
    padding: 20px 0;
  }

  .steps-wrap {
    grid-template-columns: 1fr;
  }

  .step-item {
    padding: 24px;
  }

  .ranking-item {
    grid-template-columns: 40px 1fr;
    padding: 14px;
  }

  .rank-heat {
    grid-column: span 2;
    justify-content: flex-end;
    padding-left: 56px;
  }

  .rank-bar-wrap {
    flex: 1;
  }

  .ranking-note {
    grid-template-columns: 1fr;
  }

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

  .cta-banner {
    flex-direction: column;
    padding: 40px 28px;
    text-align: center;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .modal-box {
    padding: 32px 22px 24px;
    border-radius: 16px;
  }
}

@media (max-width: 520px) {
  .logo-text {
    font-size: 18px;
  }

  .logo-icon {
    width: 26px;
    height: 26px;
  }

  .btn-cta-sm {
    padding: 0 12px;
    font-size: 13px;
    height: 34px;
  }

  .brand-tools {
    gap: 10px;
  }

  .channel-scroll {
    gap: 20px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn-primary,
  .hero-actions .btn-outline {
    width: 100%;
  }

  .hero-stats {
    gap: 8px;
  }

  .hero-stats strong {
    font-size: 20px;
  }

  .hero-stats span {
    font-size: 12px;
  }

  .card-body {
    padding: 18px;
  }

  .card-focus .card-body h3 {
    font-size: 20px;
  }

  .split-media img {
    min-height: 240px;
  }

  .faq-a-inner {
    padding: 0 18px 18px 16px;
    margin-left: 18px;
  }

  .faq-q-text {
    font-size: 15px;
  }
}

/* roulang page: category3 */
:root {
  --primary: #0D3B3A;
  --primary-light: #1F6E6A;
  --accent: #FF6B4A;
  --bg-warm: #FAF7F2;
  --bg-white: #FFFFFF;
  --text-main: #1A1A1A;
  --text-secondary: #5C6570;
  --text-muted: #8D969E;
  --border-light: #E8E2D9;
  --dark-bg-start: #0D3B3A;
  --dark-bg-end: #123C3B;
  --radius-btn: 8px;
  --radius-card: 14px;
  --radius-hero: 20px;
  --shadow-card: 0 2px 8px rgba(13,59,58,0.04);
  --shadow-hover: 0 12px 32px rgba(13,59,58,0.10);
  --shadow-modal: 0 24px 64px rgba(0,0,0,0.18);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg-warm);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "tnum";
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-title { font-size: 34px; font-weight: 600; letter-spacing: -0.5px; color: var(--primary); line-height: 1.25; }
.section-sub { font-size: 16px; color: var(--text-secondary); margin-top: 10px; max-width: 640px; line-height: 1.7; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 44px; flex-wrap: wrap; }
.text-link { display: inline-flex; align-items: center; gap: 6px; color: var(--primary-light); font-size: 14px; font-weight: 600; }
.text-link:hover { color: var(--primary); }
.text-link i { font-size: 12px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.92); backdrop-filter: blur(14px); box-shadow: 0 1px 0 var(--border-light); }
.brand-bar { height: 64px; background: rgba(255,255,255,0.8); }
.logo { display: inline-flex; align-items: center; gap: 10px; font-size: 21px; font-weight: 700; color: var(--primary); letter-spacing: -0.4px; }
.logo-icon { width: 32px; height: 32px; color: var(--primary-light); flex-shrink: 0; }
.logo-text { letter-spacing: -0.3px; white-space: nowrap; }
.brand-tools { display: flex; align-items: center; gap: 22px; font-size: 14px; color: var(--text-secondary); }
.brand-tools a:hover { color: var(--primary-light); }
.btn-cta-sm { display: inline-flex; align-items: center; gap: 6px; height: 36px; padding: 0 18px; background: var(--primary); color: #fff; border-radius: 8px; font-size: 14px; font-weight: 600; transition: all .25s cubic-bezier(.22,1,.36,1); box-shadow: 0 2px 10px rgba(13,59,58,.12); }
.btn-cta-sm:hover { background: var(--accent); transform: translateX(-3px); box-shadow: 0 6px 18px rgba(255,107,74,.35); color: #fff; }
.channel-bar { height: 48px; background: var(--bg-warm); border-bottom: 1px solid var(--border-light); }
.channel-scroll { display: flex; align-items: center; gap: 36px; height: 100%; overflow-x: auto; scrollbar-width: none; }
.channel-scroll::-webkit-scrollbar { display: none; }
.channel-link { position: relative; font-size: 15px; font-weight: 500; color: var(--text-secondary); white-space: nowrap; padding: 14px 0 12px; transition: color .2s; }
.channel-link:hover { color: var(--primary-light); }
.channel-link.active { color: var(--primary); font-weight: 600; }
.channel-link.active::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--primary); border-radius: 2px; }

/* Hero */
.category-hero { position: relative; padding: 104px 0 96px; background: linear-gradient(135deg, rgba(250,247,242,.97) 0%, rgba(250,247,242,.78) 55%, rgba(250,247,242,.92) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat; overflow: hidden; }
.category-hero::after { content: ""; position: absolute; width: 460px; height: 460px; border: 1px solid rgba(31,110,106,.12); border-radius: 50%; right: -140px; top: -120px; pointer-events: none; }
.category-hero::before { content: ""; position: absolute; width: 300px; height: 300px; border: 1px solid rgba(31,110,106,.08); border-radius: 50%; right: -40px; top: -60px; pointer-events: none; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(31,110,106,.10); color: var(--primary-light); font-size: 13px; font-weight: 600; padding: 6px 16px; border-radius: 999px; letter-spacing: 1.5px; }
.category-hero h1 { font-size: 52px; font-weight: 600; letter-spacing: -1px; color: var(--primary); line-height: 1.15; margin-top: 22px; position: relative; z-index: 2; }
.category-hero .lead { font-size: 17px; line-height: 1.8; color: var(--text-secondary); max-width: 580px; margin-top: 16px; position: relative; z-index: 2; }
.hero-actions { display: flex; gap: 16px; margin-top: 34px; flex-wrap: wrap; position: relative; z-index: 2; }
.btn-primary { display: inline-flex; align-items: center; gap: 8px; height: 48px; padding: 0 30px; background: var(--accent); color: #fff; border-radius: 8px; font-weight: 600; font-size: 15px; transition: all .25s; box-shadow: 0 4px 16px rgba(255,107,74,.28); }
.btn-primary:hover { background: #FF7F5C; transform: translateX(-3px); box-shadow: 0 8px 26px rgba(255,107,74,.38); color: #fff; }
.btn-secondary { display: inline-flex; align-items: center; gap: 8px; height: 48px; padding: 0 30px; border: 1px solid var(--primary); color: var(--primary); border-radius: 8px; font-weight: 600; font-size: 15px; background: transparent; transition: all .25s; }
.btn-secondary:hover { background: rgba(13,59,58,.06); color: var(--primary); transform: translateX(-3px); }
.btn:focus-visible, .btn-primary:focus-visible, .btn-secondary:focus-visible, .btn-ghost:focus-visible, .btn-cta-sm:focus-visible { outline: 2px solid rgba(255,107,74,.5); outline-offset: 2px; }

/* Anchor bar */
.anchor-bar { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 48px; position: relative; z-index: 2; }
.anchor-pill { display: inline-flex; align-items: center; gap: 6px; padding: 9px 22px; background: #fff; border: 1px solid var(--border-light); border-radius: 999px; font-size: 14px; font-weight: 500; color: var(--text-secondary); transition: all .2s; box-shadow: 0 2px 10px rgba(13,59,58,.04); }
.anchor-pill:hover { color: var(--primary); border-color: var(--primary); background: rgba(13,59,58,.04); transform: translateY(-2px); }
.anchor-pill i { font-size: 12px; opacity: .7; }

/* Cards */
.card { background: #fff; border-radius: var(--radius-card); border: 1px solid rgba(232,226,217,.7); box-shadow: var(--shadow-card); overflow: hidden; transition: box-shadow .35s, transform .35s; }
.card:hover { box-shadow: var(--shadow-hover); transform: translateY(-5px); }
.card-img-wrap { position: relative; overflow: hidden; aspect-ratio: 4/3; background: var(--border-light); }
.card-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s cubic-bezier(.22,1,.36,1); }
.card:hover .card-img-wrap img { transform: scale(1.04); }
.card-badge { position: absolute; top: 14px; left: 14px; z-index: 2; background: rgba(13,59,58,.86); color: #fff; font-size: 12px; font-weight: 600; padding: 4px 14px; border-radius: 999px; backdrop-filter: blur(4px); letter-spacing: .5px; }
.card-body { padding: 24px; }
.card-body h3 { font-size: 19px; font-weight: 600; line-height: 1.45; color: var(--text-main); letter-spacing: -0.2px; }
.card-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-top: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-meta { display: flex; align-items: center; justify-content: space-between; margin-top: 16px; font-size: 13px; color: var(--text-muted); }
.card-meta .read-link { color: var(--primary-light); font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }
.card-meta .read-link:hover { color: var(--primary); }

/* Feature grid */
.feature-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; }
.feature-grid .span-7 { grid-column: span 7; }
.feature-grid .span-5 { grid-column: span 5; }
.feature-grid .span-6 { grid-column: span 6; }
.featured-card { display: grid; grid-template-columns: 1.05fr 1fr; min-height: 340px; height: 100%; }
.featured-card .card-img-wrap { aspect-ratio: auto; height: 100%; min-height: 340px; }
.featured-card .card-body { padding: 38px 36px; display: flex; flex-direction: column; justify-content: center; }
.featured-card .card-body h3 { font-size: 26px; line-height: 1.35; letter-spacing: -0.4px; }
.featured-card .card-body p { font-size: 15px; -webkit-line-clamp: 3; margin-top: 12px; }
.featured-card .featured-line { width: 44px; height: 3px; background: var(--accent); border-radius: 4px; margin-bottom: 18px; }
.featured-card .card-meta { margin-top: 24px; }

/* Steps */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step-card { position: relative; background: #fff; border-radius: var(--radius-card); padding: 32px 26px 28px; border: 1px solid var(--border-light); box-shadow: var(--shadow-card); transition: box-shadow .3s, transform .3s; }
.step-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.step-num { font-size: 44px; font-weight: 700; color: rgba(31,110,106,.16); font-feature-settings: "tnum"; line-height: 1; }
.step-icon { width: 48px; height: 48px; border-radius: 12px; background: rgba(31,110,106,.08); display: flex; align-items: center; justify-content: center; color: var(--primary-light); font-size: 18px; margin: 20px 0 14px; }
.step-card h3 { font-size: 17px; font-weight: 600; color: var(--primary); }
.step-card p { font-size: 14px; color: var(--text-secondary); margin-top: 8px; line-height: 1.7; }
.step-arrow { position: absolute; right: -18px; top: 50%; transform: translateY(-50%); color: var(--border-light); font-size: 16px; z-index: 3; pointer-events: none; }

/* Advanced zone */
.adv-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 28px; }
.adv-card { display: flex; gap: 24px; background: #fff; border-radius: var(--radius-card); padding: 28px; border: 1px solid var(--border-light); box-shadow: var(--shadow-card); align-items: center; transition: box-shadow .3s, transform .3s; }
.adv-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.adv-icon { width: 56px; height: 56px; border-radius: 14px; background: rgba(255,107,74,.08); color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 22px; flex-shrink: 0; }
.adv-card h3 { font-size: 18px; font-weight: 600; color: var(--text-main); }
.adv-card p { font-size: 14px; color: var(--text-secondary); margin-top: 6px; line-height: 1.65; }

/* Topics */
.topic-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; }
.topic-card-main { grid-column: span 7; position: relative; border-radius: var(--radius-card); overflow: hidden; min-height: 340px; display: flex; align-items: flex-end; background: linear-gradient(180deg, rgba(13,59,58,0) 30%, rgba(13,59,58,.85) 100%), url('/assets/images/coverpic/cover-6.webp') center/cover; padding: 32px; color: #fff; transition: box-shadow .3s; }
.topic-card-main:hover { box-shadow: var(--shadow-hover); }
.topic-card-main .topic-tag { display: inline-block; background: rgba(255,107,74,.92); font-size: 12px; font-weight: 600; padding: 4px 14px; border-radius: 999px; margin-bottom: 12px; letter-spacing: .5px; }
.topic-card-main h3 { font-size: 26px; font-weight: 600; letter-spacing: -0.3px; }
.topic-card-main p { font-size: 14px; color: rgba(255,255,255,.85); margin-top: 8px; max-width: 420px; line-height: 1.7; }
.topic-side { grid-column: span 5; display: flex; flex-direction: column; gap: 24px; }
.topic-card { display: flex; gap: 18px; background: #fff; border-radius: var(--radius-card); padding: 20px; border: 1px solid var(--border-light); box-shadow: var(--shadow-card); align-items: center; flex: 1; transition: box-shadow .3s, transform .3s; }
.topic-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.topic-card .topic-thumb { width: 108px; height: 84px; border-radius: 10px; object-fit: cover; flex-shrink: 0; background: var(--border-light); }
.topic-card h3 { font-size: 16px; font-weight: 600; line-height: 1.4; }
.topic-card p { font-size: 13px; color: var(--text-secondary); margin-top: 4px; line-height: 1.6; }

/* Dark zone */
.dark-zone { background: linear-gradient(135deg, var(--dark-bg-start), var(--dark-bg-end)); border-radius: 20px; padding: 60px 48px; color: #fff; position: relative; overflow: hidden; }
.dark-zone::before { content: ""; position: absolute; width: 320px; height: 320px; border: 1px solid rgba(255,255,255,.08); border-radius: 50%; right: -80px; top: -80px; }
.dark-zone .zone-kicker { font-size: 13px; letter-spacing: 2px; color: rgba(255,255,255,.6); font-weight: 600; }
.dark-zone .zone-title { font-size: 32px; font-weight: 600; margin-top: 12px; letter-spacing: -0.4px; }
.dark-zone .zone-sub { color: rgba(255,255,255,.72); font-size: 15px; margin-top: 10px; max-width: 560px; line-height: 1.75; }
.dark-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin-top: 44px; }
.dark-stat { border-top: 1px solid rgba(255,255,255,.16); padding-top: 20px; }
.dark-stat .num { font-size: 44px; font-weight: 700; line-height: 1; color: #fff; font-feature-settings: "tnum"; letter-spacing: -1px; }
.dark-stat .num-small { font-size: 26px; }
.dark-stat .label { font-size: 13px; color: rgba(255,255,255,.6); margin-top: 8px; }

/* FAQ */
.faq-wrap { max-width: 800px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--border-light); border-radius: 12px; margin-bottom: 12px; overflow: hidden; transition: box-shadow .25s; }
.faq-item:hover { box-shadow: var(--shadow-card); }
.faq-question { width: 100%; display: flex; align-items: center; gap: 16px; padding: 18px 22px; font-size: 16px; font-weight: 600; color: var(--text-main); text-align: left; }
.faq-num { font-size: 12px; font-weight: 700; color: var(--accent); font-feature-settings: "tnum"; background: rgba(255,107,74,.10); width: 28px; height: 28px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
.faq-icon { margin-left: auto; transition: transform .3s; color: var(--text-muted); font-size: 14px; flex-shrink: 0; }
.faq-item.open .faq-icon { transform: rotate(45deg); color: var(--accent); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .4s cubic-bezier(.22,1,.36,1); }
.faq-answer-inner { padding: 4px 24px 22px 66px; color: var(--text-secondary); font-size: 14px; line-height: 1.8; border-left: 3px solid var(--primary-light); margin: 0 24px 18px; }

/* CTA */
.cta-banner { background: linear-gradient(135deg, var(--dark-bg-start), var(--dark-bg-end)); border-radius: 20px; padding: 58px 50px; color: #fff; display: flex; align-items: center; justify-content: space-between; gap: 32px; position: relative; overflow: hidden; }
.cta-banner::before { content: ""; position: absolute; width: 260px; height: 260px; border: 1px solid rgba(255,255,255,.08); border-radius: 50%; right: -60px; top: -60px; }
.cta-banner h2 { font-size: 30px; font-weight: 600; letter-spacing: -0.4px; }
.cta-banner p { color: rgba(255,255,255,.72); margin-top: 10px; font-size: 15px; max-width: 480px; line-height: 1.7; }
.btn-ghost { display: inline-flex; align-items: center; gap: 8px; height: 48px; padding: 0 32px; border: 1px solid rgba(255,255,255,.8); color: #fff; border-radius: 8px; font-weight: 600; transition: all .25s; background: transparent; flex-shrink: 0; }
.btn-ghost:hover { background: rgba(255,255,255,.12); transform: translateX(-3px); color: #fff; }

/* Modal */
.modal-overlay { position: fixed; inset: 0; z-index: 999; background: rgba(13,59,58,.5); backdrop-filter: blur(6px); display: flex; align-items: center; justify-content: center; padding: 24px; opacity: 0; pointer-events: none; transition: opacity .3s; }
.modal-overlay.show { opacity: 1; pointer-events: auto; }
.modal-box { background: #fff; border-radius: 20px; padding: 36px; width: 480px; max-width: 100%; box-shadow: var(--shadow-modal); position: relative; transform: translateY(16px); transition: transform .35s cubic-bezier(.22,1,.36,1); }
.modal-overlay.show .modal-box { transform: translateY(0); }
.modal-close { position: absolute; top: 16px; right: 16px; width: 32px; height: 32px; border-radius: 50%; background: var(--bg-warm); color: var(--text-muted); display: flex; align-items: center; justify-content: center; transition: all .2s; z-index: 2; }
.modal-close:hover { background: var(--primary); color: #fff; }
.modal-box h3 { font-size: 22px; font-weight: 600; color: var(--primary); }
.modal-sub { font-size: 14px; color: var(--text-muted); margin-top: 6px; }
.modal-form { margin-top: 22px; display: flex; flex-direction: column; gap: 14px; }
.modal-form input, .modal-form select { height: 48px; border: 1px solid var(--border-light); border-radius: 8px; padding: 0 16px; font-size: 15px; color: var(--text-main); background: #fff; transition: border-color .2s, box-shadow .2s; width: 100%; }
.modal-form input:focus, .modal-form select:focus { outline: none; border-color: var(--primary-light); box-shadow: 0 0 0 3px rgba(31,110,106,.15); }
.modal-form select { appearance: auto; }
.modal-submit { height: 48px; background: var(--accent); color: #fff; border-radius: 8px; font-weight: 600; font-size: 15px; transition: all .25s; box-shadow: 0 4px 14px rgba(255,107,74,.25); }
.modal-submit:hover { background: #FF7F5C; transform: translateY(-2px); box-shadow: 0 8px 22px rgba(255,107,74,.35); }
.privacy-note { font-size: 12px; color: var(--text-muted); text-align: center; margin-top: 14px; display: flex; align-items: center; justify-content: center; gap: 6px; }

/* Footer */
.site-footer { background: var(--dark-bg-start); color: rgba(255,255,255,.85); margin-top: 96px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: 44px; padding: 64px 0 48px; }
.footer-brand .footer-logo { display: flex; align-items: center; gap: 10px; font-size: 19px; font-weight: 700; color: #fff; }
.footer-brand p { font-size: 14px; color: rgba(255,255,255,.6); margin-top: 16px; line-height: 1.75; max-width: 320px; }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a { width: 36px; height: 36px; border-radius: 10px; background: rgba(255,255,255,.08); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.75); font-size: 15px; transition: all .25s; }
.footer-social a:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }
.footer-col h4 { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 18px; letter-spacing: .5px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-col ul a { font-size: 14px; color: rgba(255,255,255,.65); transition: color .2s; }
.footer-col ul a:hover { color: #fff; text-decoration: underline; text-underline-offset: 4px; }
.footer-contact-item { display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(255,255,255,.65); margin-bottom: 12px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; }
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,.45); text-align: center; }

/* Responsive */
@media (max-width: 1024px) {
  .feature-grid .span-7, .feature-grid .span-5, .feature-grid .span-6 { grid-column: span 12; }
  .featured-card { grid-template-columns: 1fr; }
  .featured-card .card-img-wrap { aspect-ratio: 16/9; min-height: 0; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .adv-grid { grid-template-columns: 1fr; }
  .topic-card-main { grid-column: span 12; }
  .topic-side { grid-column: span 12; flex-direction: row; }
  .dark-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-banner { flex-direction: column; text-align: center; padding: 44px 28px; }
  .cta-banner p { margin-left: auto; margin-right: auto; }
}
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .category-hero { padding: 72px 0 64px; }
  .category-hero h1 { font-size: 36px; }
  .category-hero .lead { font-size: 16px; }
  .section-title { font-size: 26px; }
  .steps-grid { grid-template-columns: 1fr; }
  .step-arrow { display: none; }
  .topic-side { flex-direction: column; }
  .topic-card { flex-direction: column; align-items: flex-start; }
  .topic-card .topic-thumb { width: 100%; height: 140px; }
  .dark-zone { padding: 40px 24px; }
  .dark-zone .zone-title { font-size: 24px; }
  .dark-stats { grid-template-columns: 1fr 1fr; gap: 20px; }
  .dark-stat .num { font-size: 34px; }
  .modal-box { padding: 28px 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; padding: 48px 0 36px; }
  .faq-answer-inner { padding: 4px 16px 18px 16px; margin: 0 16px 16px; }
  .cta-banner h2 { font-size: 24px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .category-hero h1 { font-size: 30px; }
  .hero-actions .btn-primary, .hero-actions .btn-secondary { width: 100%; justify-content: center; }
  .step-card { padding: 24px 20px; }
  .featured-card .card-body { padding: 24px 20px; }
  .featured-card .card-body h3 { font-size: 21px; }
  .zone-title { font-size: 22px; }
}

/* roulang page: category2 */
:root{
  --primary:#0D3B3A;
  --primary-light:#1F6E6A;
  --accent:#FF6B4A;
  --bg:#FAF7F2;
  --card:#FFFFFF;
  --text:#1A1A1A;
  --text-secondary:#5C6570;
  --text-muted:#8D969E;
  --border:#E8E2D9;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:16px;
  --radius-xl:24px;
  --shadow:0 2px 8px rgba(13,59,58,0.04);
  --shadow-hover:0 12px 32px rgba(13,59,58,0.10);
  --shadow-lg:0 24px 64px rgba(0,0,0,0.18);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
p,h1,h2,h3,h4,figure,ul,ol,blockquote{margin:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button,input,select{font-family:inherit;font-size:inherit;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
section{scroll-margin-top:140px;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{
  outline:2px solid rgba(255,107,74,0.5);
  outline-offset:2px;
}
@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* Header */
.site-header{position:relative;z-index:100;}
.site-header.is-stuck{
  position:fixed;top:0;left:0;right:0;
  background:rgba(255,255,255,0.95);
  backdrop-filter:blur(12px);
  box-shadow:0 4px 24px rgba(13,59,58,0.08);
}
body.has-stuck-header .page-content{padding-top:112px;}
.brand-bar{height:64px;background:#fff;}
.brand-bar .container{height:100%;max-width:1400px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-icon{width:30px;height:30px;color:var(--primary-light);}
.logo-text{font-size:22px;font-weight:700;color:var(--text);letter-spacing:-0.3px;}
.logo b{color:var(--accent);font-weight:700;}
.brand-tools{display:flex;align-items:center;gap:22px;font-size:14px;color:var(--text-secondary);}
.brand-tools a{color:var(--text-secondary);transition:color .2s;}
.brand-tools a:hover{color:var(--primary);}
.btn-cta-sm{
  height:34px;padding:0 14px;border:none;border-radius:8px;
  background:var(--accent);color:#fff;font-size:13px;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;cursor:pointer;
  transition:background .2s,transform .2s,box-shadow .2s;
}
.btn-cta-sm:hover{background:#FF7F5C;transform:translateY(-1px);box-shadow:0 6px 16px rgba(255,107,74,0.25);}
.btn-cta-sm:active{transform:translateY(0);}
.channel-bar{height:48px;background:var(--bg);border-bottom:1px solid var(--border);}
.channel-scroll{
  height:100%;display:flex;align-items:center;gap:32px;
  overflow-x:auto;scrollbar-width:none;max-width:1400px;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;display:inline-flex;align-items:center;height:100%;
  font-size:15px;font-weight:500;color:var(--text-secondary);
  flex-shrink:0;white-space:nowrap;transition:color .2s;
}
.channel-link:hover{color:var(--primary-light);}
.channel-link.active{color:var(--primary);font-weight:600;}
.channel-link.active::after{
  content:'';position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:var(--accent);border-radius:2px 2px 0 0;
}

/* Buttons */
.btn-primary{
  height:48px;padding:0 24px;border:none;border-radius:8px;
  background:var(--accent);color:#fff;font-size:15px;font-weight:600;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  cursor:pointer;transition:background .25s,transform .25s,box-shadow .25s;
}
.btn-primary:hover{background:#FF7F5C;transform:translateX(-3px);box-shadow:0 10px 24px rgba(255,107,74,0.3);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{
  height:48px;padding:0 24px;border-radius:8px;
  background:transparent;border:1px solid var(--primary);color:var(--primary);
  font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:8px;
  cursor:pointer;transition:background .25s,border-color .25s,transform .25s;
}
.btn-outline:hover{background:rgba(13,59,58,0.06);transform:translateX(-3px);}
.btn-ghost{
  height:48px;padding:0 24px;border-radius:8px;
  background:transparent;border:1px solid rgba(255,255,255,0.7);color:#fff;
  font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:8px;
  cursor:pointer;transition:background .25s,transform .25s;
}
.btn-ghost:hover{background:rgba(255,255,255,0.1);transform:translateX(-3px);}

/* Category Hero */
.category-hero{
  position:relative;padding:96px 0 88px;
  background-size:cover;background-position:center 40%;
  isolation:isolate;
}
.category-hero::before{
  content:'';position:absolute;inset:0;z-index:-1;
  background:linear-gradient(125deg,rgba(250,247,242,0.96) 40%,rgba(250,247,242,0.82));
}
.category-hero::after{
  content:'';position:absolute;right:5%;top:20%;width:260px;height:260px;z-index:-1;
  border:1px solid rgba(31,110,106,0.18);border-radius:50%;
  box-shadow:0 0 0 40px rgba(31,110,106,0.03),0 0 0 90px rgba(31,110,106,0.025);
  pointer-events:none;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(31,110,106,0.08);border:1px solid rgba(31,110,106,0.2);
  color:var(--primary-light);font-size:13px;font-weight:600;
  margin-bottom:20px;
}
.category-hero h1{
  font-size:48px;font-weight:600;letter-spacing:-0.5px;
  color:var(--text);line-height:1.2;margin-bottom:20px;
}
.category-hero p{
  max-width:760px;font-size:17px;line-height:1.8;color:var(--text-secondary);
}
.hero-scroll{
  display:inline-flex;flex-direction:column;align-items:center;gap:6px;
  margin-top:48px;color:var(--text-muted);font-size:13px;
}
.scroll-ring{
  width:36px;height:36px;border:1.5px solid var(--border);border-radius:50%;
  position:relative;display:flex;align-items:flex-start;justify-content:center;padding-top:7px;
}
.scroll-ring::before{
  content:'';width:4px;height:8px;border-radius:4px;background:var(--primary-light);
  animation:scrollDot 1.8s infinite ease-in-out;
}
@keyframes scrollDot{
  0%{transform:translateY(0);opacity:1;}
  70%{transform:translateY(10px);opacity:0;}
  100%{transform:translateY(0);opacity:0;}
}

/* Anchor Filter */
.anchor-filter{
  position:sticky;top:112px;z-index:60;
  background:rgba(250,247,242,0.9);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);padding:14px 0;
}
.anchor-scroll{
  display:flex;gap:12px;overflow-x:auto;scrollbar-width:none;max-width:1200px;
}
.anchor-scroll::-webkit-scrollbar{display:none;}
.anchor-pill{
  flex-shrink:0;padding:8px 22px;border-radius:999px;
  border:1px solid var(--border);background:#fff;
  font-size:14px;font-weight:500;color:var(--text-secondary);
  transition:all .25s;
}
.anchor-pill:hover{border-color:var(--primary-light);color:var(--primary-light);}
.anchor-pill.active{background:var(--primary);border-color:var(--primary);color:#fff;}

/* Cards */
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);
  display:flex;flex-direction:column;
  transition:transform .3s cubic-bezier(0.22,1,0.36,1),box-shadow .3s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.card-cover{aspect-ratio:16/10;overflow:hidden;background:#eef0ec;}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(0.22,1,0.36,1);}
.card:hover .card-cover img{transform:scale(1.03);}
.card-body{padding:24px;display:flex;flex-direction:column;flex:1;gap:10px;}
.card-tag{
  align-self:flex-start;padding:3px 12px;border-radius:999px;
  background:rgba(31,110,106,0.08);color:var(--primary-light);
  font-size:12px;font-weight:600;
}
.card-title{font-size:18px;font-weight:600;line-height:1.5;color:var(--text);transition:color .2s;}
a.card:hover .card-title{color:var(--primary);}
.card-desc{
  font-size:14px;color:var(--text-secondary);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--text-muted);
}
.card-link{color:var(--primary-light);font-size:13px;font-weight:600;transition:gap .25s;display:inline-flex;align-items:center;gap:4px;}
.card:hover .card-link{gap:8px;}

/* Feature card */
.feature-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:32px;box-shadow:var(--shadow);
  transition:transform .3s,box-shadow .3s;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.feature-card.feature-main{
  background:linear-gradient(135deg,#0D3B3A 0%,#123C3B 100%);
  color:#fff;border:none;position:relative;overflow:hidden;
}
.feature-main::after{
  content:'';position:absolute;right:-40px;bottom:-40px;
  width:220px;height:220px;border-radius:50%;
  border:1px solid rgba(255,255,255,0.12);
  box-shadow:0 0 0 30px rgba(255,255,255,0.03),0 0 0 70px rgba(255,255,255,0.02);
}
.feature-card-label{font-size:12px;font-weight:600;letter-spacing:0.5px;color:var(--accent);margin-bottom:12px;display:flex;align-items:center;gap:6px;}
.feature-main .feature-card-label{color:#fff;}
.feature-card h3{font-size:20px;font-weight:600;line-height:1.5;margin-bottom:12px;}
.feature-card p{font-size:14px;line-height:1.8;color:var(--text-secondary);}
.feature-main p{color:rgba(255,255,255,0.78);}

/* Stats */
.stats-bar{
  background:linear-gradient(135deg,#0D3B3A,#123C3B);
  border-radius:var(--radius-xl);padding:40px 48px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:32px;
}
.stat-item{position:relative;padding-left:20px;}
.stat-item::before{content:'';position:absolute;left:0;top:6px;bottom:6px;width:2px;background:var(--accent);opacity:0.7;}
.stat-value{font-size:56px;font-weight:700;color:#fff;line-height:1;font-feature-settings:"tnum";letter-spacing:-1px;}
.stat-label{font-size:14px;color:rgba(255,255,255,0.72);margin-top:10px;}

/* Process */
.process-step{
  position:relative;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow);
  transition:transform .3s,box-shadow .3s;
}
.process-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.process-num{
  width:36px;height:36px;border-radius:50%;background:var(--primary);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;margin-bottom:16px;
}
.process-step h4{font-size:16px;font-weight:600;margin-bottom:8px;}
.process-step p{font-size:14px;color:var(--text-secondary);line-height:1.7;}

/* Topic tags */
.topic-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:999px;
  background:#fff;border:1px solid var(--border);
  font-size:14px;color:var(--text-secondary);transition:all .25s;
}
.topic-tag:hover{border-color:var(--primary-light);color:var(--primary-light);transform:translateY(-2px);}
.topic-tag.hot{border-color:var(--accent);color:var(--accent);background:rgba(255,107,74,0.06);}
.topic-tag .fa-fire{font-size:12px;}

/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  overflow:hidden;margin-bottom:14px;transition:box-shadow .3s;
}
.faq-item[open]{box-shadow:var(--shadow);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  display:flex;align-items:center;gap:16px;
  font-size:16px;font-weight:600;color:var(--text);transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);}
.faq-num{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  background:var(--bg);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:var(--primary-light);
}
.faq-icon{margin-left:auto;transition:transform .3s;color:var(--text-muted);}
.faq-item[open] .faq-icon{transform:rotate(45deg);color:var(--accent);}
.faq-answer{
  padding:4px 24px 22px 68px;
  font-size:14px;line-height:1.8;color:var(--text-secondary);
  border-left:3px solid var(--accent);margin-left:24px;margin-bottom:20px;
  border-radius:0 4px 4px 0;background:var(--bg);
}

/* CTA */
.cta-section{
  background:linear-gradient(135deg,#0D3B3A,#123C3B);
  border-radius:var(--radius-xl);padding:64px;
  display:flex;justify-content:space-between;align-items:center;gap:32px;
  position:relative;overflow:hidden;
}
.cta-section::after{
  content:'';position:absolute;right:0;top:-50%;width:300px;height:300px;border-radius:50%;
  border:1px solid rgba(255,255,255,0.1);
  box-shadow:0 0 0 50px rgba(255,255,255,0.03);
}
.cta-section h2{font-size:30px;font-weight:600;color:#fff;line-height:1.4;margin-bottom:10px;}
.cta-section p{font-size:15px;color:rgba(255,255,255,0.75);max-width:520px;}

/* Section */
.section-block{padding:88px 0;}
.section-block.alt{background:#fff;}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head h2{font-size:32px;font-weight:600;letter-spacing:-0.3px;line-height:1.35;margin-bottom:12px;}
.section-head p{font-size:15px;color:var(--text-secondary);line-height:1.8;}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--primary-light);
  text-transform:uppercase;letter-spacing:1px;margin-bottom:12px;
}
.section-eyebrow::before{content:'';width:22px;height:2px;background:var(--accent);border-radius:2px;}

/* Footer */
.site-footer{background:#0D3B3A;color:rgba(255,255,255,0.7);padding-top:64px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;padding-bottom:48px;}
.footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:20px;font-weight:700;margin-bottom:16px;}
.footer-brand p{font-size:13px;line-height:1.8;color:rgba(255,255,255,0.6);max-width:340px;}
.footer-social{display:flex;gap:12px;margin-top:20px;}
.footer-social a{
  width:36px;height:36px;border-radius:50%;
  border:1px solid rgba(255,255,255,0.2);
  display:inline-flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,0.8);font-size:14px;transition:all .25s;
}
.footer-social a:hover{background:#fff;color:#0D3B3A;border-color:#fff;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:13px;color:rgba(255,255,255,0.7);transition:color .2s;}
.footer-col ul a:hover{color:#fff;text-decoration:underline;}
.footer-contact-item{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,0.7);margin-bottom:10px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding:20px 0;text-align:center;}
.footer-bottom .container{font-size:12px;color:rgba(255,255,255,0.5);}

/* Modal */
.modal-overlay{
  position:fixed;inset:0;background:rgba(13,59,58,0.45);
  backdrop-filter:blur(6px);display:none;align-items:center;justify-content:center;
  z-index:200;padding:20px;
}
.modal-overlay.open{display:flex;}
.modal-box{
  background:#fff;border-radius:20px;max-width:480px;width:100%;
  padding:36px;position:relative;box-shadow:var(--shadow-lg);
}
.modal-close{
  position:absolute;right:16px;top:16px;width:32px;height:32px;
  border-radius:50%;background:var(--bg);border:none;
  display:flex;align-items:center;justify-content:center;
  color:var(--text-secondary);cursor:pointer;transition:all .2s;
}
.modal-close:hover{background:var(--text);color:#fff;}
.modal-box h3{font-size:22px;font-weight:600;margin-bottom:6px;color:var(--text);}
.modal-sub{font-size:14px;color:var(--text-secondary);margin-bottom:24px;}
.modal-box form{display:flex;flex-direction:column;gap:14px;}
.modal-box input,.modal-box select{
  height:48px;border:1px solid #E8E2D9;border-radius:8px;
  padding:0 14px;font-size:14px;background:#fff;transition:border .2s,box-shadow .2s;
}
.modal-box input:focus,.modal-box select:focus{
  outline:none;border-color:var(--primary-light);
  box-shadow:0 0 0 3px rgba(31,110,106,0.15);
}
.modal-box input::placeholder{color:#9AA3AB;}
.privacy-note{
  display:flex;align-items:center;gap:6px;
  font-size:12px;color:var(--text-muted);margin-top:14px;line-height:1.6;
}

/* Reveal Animation */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(0.22,1,0.36,1),transform .7s cubic-bezier(0.22,1,0.36,1);}
.reveal.visible{opacity:1;transform:translateY(0);}

/* Responsive */
@media (max-width:1024px){
  .category-hero h1{font-size:40px;}
  .stats-bar{grid-template-columns:repeat(2,1fr);gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-section{padding:48px;flex-direction:column;align-items:flex-start;}
}
@media (max-width:768px){
  .section-block{padding:64px 0;}
  .category-hero{padding:64px 0 56px;}
  .category-hero h1{font-size:32px;}
  .category-hero p{font-size:15px;}
  .category-hero::after{display:none;}
  .anchor-filter{top:112px;}
  .stats-bar{padding:32px 24px;grid-template-columns:1fr 1fr;gap:20px;}
  .stat-value{font-size:40px;}
  .cta-section{padding:36px 28px;border-radius:20px;}
  .cta-section h2{font-size:24px;}
  .logo-text{font-size:18px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-brand p{max-width:100%;}
  .faq-answer{padding-left:16px;margin-left:20px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .stats-bar{grid-template-columns:1fr 1fr;gap:16px;}
  .brand-tools{gap:12px;}
  .brand-tools .btn-cta-sm{padding:0 12px;font-size:12px;}
}