/* roulang page: index */
:root {
  --bg-dark: #0E0F14;
  --bg-panel: #16181F;
  --bg-panel-hover: #1D2028;
  --bg-light: #F6F3EE;
  --bg-card-light: #FFFFFF;
  --line-light: #E7E2D8;
  --line-dark: rgba(198, 168, 123, 0.18);
  --gold: #C6A87B;
  --gold-light: #DFC08F;
  --cinnabar: #A74332;
  --text-dark: #23252B;
  --text-muted-dark: #66636B;
  --text-hero: #EEE9E1;
  --text-muted-hero: #99928A;
  --success: #4A7C6E;
  --warn: #B47A3C;
  --info: #4C6E8A;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-sm: 8px;
  --shadow-soft: 0 8px 30px rgba(0,0,0,0.08);
  --shadow-hover: 0 12px 32px rgba(0,0,0,0.12);
  --shadow-card-dark: 0 6px 20px rgba(0,0,0,0.4);
  --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, sans-serif;
  --font-num: "DIN Alternate", "Oswald", var(--font-stack);
  --space-xl: 100px;
  --space-lg: 80px;
  --space-md: 48px;
  --transition: 0.28s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-stack); background: var(--bg-light); color: var(--text-dark); line-height: 1.75; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, button, textarea { font-family: inherit; }
h1,h2,h3,h4 { line-height: 1.25; font-weight: 700; }
ul, ol { list-style: none; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
section { padding: var(--space-lg) 0; }

/* 顶部细金线 */
.top-line { height: 2px; background: linear-gradient(90deg, transparent, var(--gold-light), transparent); }

/* ===== 导航栏 ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(198,168,123,0.2);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; position: relative; }
.logo-center { position: absolute; left: 50%; transform: translateX(-50%); display: flex; align-items: center; gap: 10px; }
.logo-brand { font-size: 25px; font-weight: 800; color: var(--text-dark); letter-spacing: 0.04em; white-space: nowrap; }
.logo-brand span { color: var(--gold); font-weight: 700; }
.logo-badge { display: inline-block; font-size: 11px; padding: 0px 7px; border: 1px solid rgba(167,67,50,0.4); color: var(--cinnabar); border-radius: 999px; margin-top: 6px; letter-spacing: 0.08em; line-height: 18px; white-space: nowrap; }
.nav-left, .nav-right { display: flex; align-items: center; gap: 6px; }
.nav-links { display: flex; list-style: none; align-items: center; }
.nav-links li a { font-size: 15.5px; font-weight: 500; padding: 8px 14px; color: var(--text-dark); border-radius: var(--radius-sm); transition: color var(--transition), background var(--transition), box-shadow var(--transition); }
.nav-links li a:hover { color: var(--gold); background: rgba(198,168,123,0.08); }
.nav-links li a:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.nav-links li.active a { color: var(--cinnabar); font-weight: 600; position: relative; }
.nav-links li.active a::after { content:''; position:absolute; left: 14px; right: 14px; bottom: 2px; height: 2px; background: var(--cinnabar); border-radius: 2px; }
.nav-download {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--text-dark); color: var(--gold-light) !important;
  padding: 8px 18px; border-radius: 999px; font-size: 14px; font-weight: 600;
  border: 1px solid rgba(198,168,123,0.25);
  transition: all var(--transition);
}
.nav-download:hover { background: var(--gold); color: var(--text-dark) !important; box-shadow: 0 0 20px rgba(223,192,143,0.3); transform: translateY(-2px); border-color: var(--gold); }
.nav-download i { font-size: 14px; }
/* 移动端导航 */
.burger-btn { display: none; width: 44px; height: 44px; border: 1px solid var(--line-light); background: #fff; border-radius: var(--radius-sm); align-items: center; justify-content: center; font-size: 20px; color: var(--text-dark); transition: border-color var(--transition); }
.burger-btn:hover { border-color: var(--gold); }
.mobile-menu {
  display: none; position: fixed; top: 74px; left: 0; right: 0; z-index: 99;
  background: var(--bg-light); padding: 24px 20px 32px;
  box-shadow: 0 24px 40px rgba(0,0,0,0.15);
  border-bottom: 1px solid rgba(198,168,123,0.2);
  max-height: calc(100vh - 74px); overflow-y: auto;
}
.mobile-menu.open { display: block; }
.mobile-menu .navbar-list { display: flex; flex-direction: column; gap: 4px; }
.mobile-menu li a { display: block; padding: 14px 12px; font-size: 17px; font-weight: 600; border-radius: var(--radius-sm); color: var(--text-dark); }
.mobile-menu li a:hover { background: rgba(198,168,123,0.12); }
.mobile-menu li.active a { color: var(--cinnabar); background: rgba(167,67,50,0.08); }
.mobile-dl { margin-top: 20px; display: block; text-align: center; padding: 13px 20px; background: var(--text-dark); color: var(--gold-light); font-weight: 700; border-radius: 999px; }

/* ===== HERO ===== */
.hero {
  background-color: var(--bg-dark); color: var(--text-hero);
  position: relative; overflow: hidden;
  padding: 110px 0 0;
}
.hero::before {
  content:''; position: absolute; inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover; background-position: center 30%;
  opacity: 0.28;
}
.hero::after {
  content:''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(14,15,20,0.7) 0%, var(--bg-dark) 85%);
}
.hero .container { max-width: 1440px; padding: 0 40px; position: relative; z-index: 2; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 60px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; letter-spacing: 0.12em; color: var(--gold-light); text-transform: uppercase;
  background: rgba(198,168,123,0.1); border: 1px solid rgba(198,168,123,0.25);
  padding: 6px 16px; border-radius: 999px; margin-bottom: 28px;
}
.hero-title { font-size: 50px; line-height: 1.15; letter-spacing: 0.01em; margin-bottom: 22px; }
.hero-title-strong { color: var(--gold-light); }
.hero-sub { font-size: 18px; color: var(--text-muted-hero); max-width: 560px; margin-bottom: 36px; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 26px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 15px; border: 1px solid transparent;
  transition: all var(--transition);
}
.btn:focus-visible { outline: 3px solid rgba(198,168,123,0.5); outline-offset: 2px; }
.btn-gold { background: linear-gradient(135deg, var(--gold), var(--gold-light)); color: var(--text-dark); box-shadow: 0 4px 18px rgba(198,168,123,0.3); border: none; }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(223,192,143,0.45); filter: brightness(1.05); }
.btn-dark-outline { background: transparent; border: 1px solid rgba(198,168,123,0.4); color: var(--gold-light); }
.btn-dark-outline:hover { border-color: var(--gold-light); background: rgba(198,168,123,0.12); transform: translateY(-2px); }
.hero-qr-wrap { display: flex; align-items: center; }
.hero-phone { background: linear-gradient(140deg, #1b1d26, #12131a); padding: 30px; border-radius: 28px; border: 1px solid rgba(198,168,123,0.2); box-shadow: 0 30px 60px rgba(0,0,0,0.55); text-align: center; }
.hero-phone-qr { width: 100%; max-width: 280px; margin: 0 auto 16px; border-radius: 12px; }
.hero-phone h3 { font-size: 20px; color: var(--gold-light); margin-bottom: 4px; font-weight: 600; }
.hero-phone p { color: var(--text-muted-hero); font-size: 13.5px; }
.hero-meta-row {
  margin-top: 90px; border-top: 1px solid rgba(238,233,225,0.1);
  padding: 24px 40px; display: flex; flex-wrap: wrap; gap: 28px 60px;
  position: relative; z-index: 2; max-width: 1440px; margin-left: auto; margin-right: auto;
}
.hero-meta-item { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--text-muted-hero); }
.hero-meta-item .meta-key { color: var(--gold-light); font-family: var(--font-num); font-weight: 700; font-size: 16px; }

/* ===== 通用标题 ===== */
.section-head { margin-bottom: 50px; max-width: 100%; }
.section-head h2 .accent { color: var(--gold); }
.section-head h2 { font-size: 34px; color: var(--text-dark); margin-bottom: 14px; position: relative; }
.section-head .section-desc { font-size: 16px; color: var(--text-muted-dark); max-width: 800px; }
.section-center { text-align: center; margin-left: auto; margin-right: auto; }
.section-center .section-desc { margin-left: auto; margin-right: auto; }

/* 核心卖点 */
.why-light { background: var(--bg-light); }
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; margin-bottom: 60px; }
.why-media { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.why-media-card { display: flex; flex-direction: column; gap: 24px; }
.why-media-card img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); aspect-ratio: 3/4; object-fit: cover; }
.why-media-card.offset { margin-top: 40px; }
.why-content .h2 { font-size: 33px; margin-bottom: 14px; line-height: 1.2; position: relative; }
.why-content .h2 .accent { color: var(--gold); }
.why-desc { color: var(--text-muted-dark); margin-bottom: 36px; font-size: 16.5px; max-width: 540px; }
.why-list { display: flex; flex-direction: column; gap: 18px; }
.why-list > li { display: grid; grid-template-columns: 44px 1fr; gap: 16px; align-items: flex-start; padding: 18px 20px; background: var(--bg-card-light); border: 1px solid var(--line-light); border-radius: var(--radius-md); transition: all var(--transition); }
.why-list > li:hover { box-shadow: var(--shadow-soft); transform: translateY(-2px); border-color: rgba(198,168,123,0.4); }
.why-num { font-family: var(--font-num); font-size: 20px; font-weight: 700; color: var(--gold); background: rgba(198,168,123,0.15); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; }
.why-list h3 { font-size: 18px; margin-bottom: 4px; }
.why-list p { font-size: 14.5px; color: var(--text-muted-dark); line-height: 1.7; }

/* 功能截图 / 视觉暗色横带 */
.feature-dark { background: var(--bg-dark); color: var(--text-hero); }
.feature-dark .section-head h2 { color: var(--text-hero); }
.section-list-desc { color: var(--text-muted-hero) !important; }
.screenshot-swiper { display: flex; align-items: center; overflow-x: auto; scroll-snap-type: x mandatory; gap: 18px; padding-bottom: 16px; scrollbar-width: thin; scrollbar-color: var(--gold) transparent; }
.screenshot-swiper::-webkit-scrollbar { height: 5px; }
.screenshot-swiper::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 999px; }
.shot-card { min-width: 320px; max-width: 380px; scroll-snap-align: start; background: var(--bg-panel); border: 1px solid rgba(198,168,123,0.2); border-radius: 14px; overflow: hidden; transition: all var(--transition); }
.shot-media { background: var(--bg-panel-hover); text-align: center; }
.shot-card-tip { padding: 16px 20px; }
.shot-card-tip h3 { color: var(--gold-light); font-size: 18px; margin-bottom: 5px; font-weight: 600; }
.shot-card-tip p { color: var(--text-muted-hero); font-size: 13.5px; }
.scroller-control { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
.scroll-btn { width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(198,168,123,0.35); background: transparent; color: var(--gold-light); display: flex; align-items: center; justify-content: center; transition: all var(--transition); font-size: 18px; }
.scroll-btn:hover { background: rgba(198,168,123,0.15); border-color: var(--gold); }
.gold-divider { width: 40px; height: 1px; background: var(--gold); margin-top: 10px; margin-bottom: 28px; }

/* 系统要求 */
.requirements { background: #fff; }
.req-cluster { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 30px; }
.req-card { background: var(--bg-light); border: 1px solid var(--line-light); border-radius: var(--radius-lg); padding: 36px 32px; }
.req-card .device-name { font-size: 22px; display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.req-card .device-name i { color: var(--gold); }
.req-list { list-style: none; margin-top: 12px; }
.req-list li { display: flex; gap: 10px; padding: 12px 0; align-items: flex-start; border-bottom: 1px dashed rgba(0,0,0,0.08); font-size: 15.5px; color: var(--text-dark); }
.req-list li:last-child { border-bottom: none; }
.req-list li .check { flex-shrink: 0; color: var(--success); font-weight: 700; margin-top: 2px; }
.req-bottom-tip { text-align: center; margin: 28px 0 0; font-size: 15px; color: var(--text-muted-dark); }
.req-bottom-tip a { color: var(--cinnabar); font-weight: 500; border-bottom: 1px solid rgba(167,67,50,0.25); transition: border-color var(--transition); }
.req-bottom-tip a:hover { border-bottom-color: var(--cinnabar); }

/* 评价墙 */
.testimonial { background: var(--bg-light); }
.summary-block { display: grid; grid-template-columns: 0.5fr 1.5fr; gap: 24px; align-items: center; background: #fff; border: 1px solid var(--line-light); padding: 34px 40px; border-radius: var(--radius-lg); margin-bottom: 40px; }
.summary-score { text-align: center; }
.summary-score .big-num { font-family: var(--font-num); font-size: 72px; line-height: 1; font-weight: 700; color: var(--text-dark); display: block; }
.summary-score .stars { color: var(--gold); margin-top: 8px; letter-spacing: 5px; }
.summary-score .total { font-size: 13px; color: var(--text-muted-dark); }
.rating-bars { display: flex; flex-direction: column; gap: 8px; }
.rating-row { display: grid; grid-template-columns: 42px 1fr 42px; align-items: center; gap: 10px; font-size: 13px; color: var(--text-muted-dark); }
.rating-row .bar { height: 26px; background: var(--bg-dark); border-radius: 4px; position: relative; overflow: hidden; }
.rating-row .bar i { position: absolute; inset: 0; background: linear-gradient(90deg, var(--gold), var(--gold-light)); border-radius: 4px; }
.testimonials { display: flex; flex-direction: column; gap: 24px; margin-top: 30px; }
.t-card { background: #fff; border: 1px solid var(--line-light); border-radius: var(--radius-md); padding: 28px 32px; transition: all var(--transition); }
.t-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); border-color: rgba(198,168,123,0.4); }
.t-quote { font-size: 16px; line-height: 1.85; margin-bottom: 22px; position: relative; padding-left: 22px; color: var(--text-dark); }
.t-quote::before { content:'「'; position: absolute; left: 0; top: 0; color: var(--gold); font-size: 22px; }
.t-user-info { display: flex; align-items: center; gap: 15px; justify-content: space-between; }
.t-user-name { font-weight: 700; font-size: 15px; display: flex; align-items: center; gap: 10px; }
.t-user-name .type-tag { padding: 3px 10px; font-size: 12px; background: rgba(198,168,123,0.18); color: var(--text-dark); border-radius: 999px; }
.t-time { color: var(--text-muted-dark); font-size: 13px; }

/* 主下载 CTA */
.main-download { background: var(--bg-dark); position: relative; overflow: hidden; }
.main-download::before { content:''; position:absolute; inset:0; background-image: url('/assets/images/backpic/back-2.png'); opacity: 0.2; background-size: cover; background-position: center; }
.main-download .container { position: relative; z-index: 3; }
.cta-center { text-align: center; }
.cta-badge { display: inline-block; background: rgba(167,67,50,0.16); border: 1px solid var(--cinnabar); color: #ffefea; padding: 4px 16px; border-radius: 999px; font-size: 13px; margin-bottom: 15px; letter-spacing: 0.05em; }
.cta-center h2 { color: #fff; font-size: 42px; margin-bottom: 14px; }
.cta-center .cta-lead { color: var(--text-muted-hero); font-size: 16px; margin-bottom: 38px; }
.download-btns-group { display: flex; justify-content: center; gap: 18px; flex-wrap: wrap; }
.btn-download-lg { min-height: 58px; padding: 0 38px; font-size: 17px; border-radius: var(--radius-md); gap: 12px; }
.btn-download-lg i { font-size: 20px; }
.btn-android { background: rgba(255,255,255,0.05); border-color: rgba(198,168,123,0.35); color: #FFF; }
.btn-android:hover { background: rgba(198,168,123,0.1); border-color: var(--gold); transform: translateY(-2px); }
.sub-dl-row { margin-top: 26px; display: flex; justify-content: center; gap: 24px; }
.sub-dl-row a { color: var(--text-muted-hero); font-size: 14px; display: inline-flex; align-items: center; gap: 5px; transition: color var(--transition); }
.sub-dl-row a:hover { color: var(--gold-light); }

/* ===== 资讯/列表区域 ===== */
.info-list { background: #fff; }
.info-head-row { display: flex; justify-content: space-between; flex-wrap: wrap; align-items: flex-end; margin-bottom: 42px; gap: 18px; }
.info-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 22px; margin-bottom: 30px; }
.news-item { background: var(--bg-light); border: 1px solid var(--line-light); border-radius: var(--radius-md); overflow: hidden; display: flex; flex-direction: column; transition: all var(--transition); }
.news-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-color: rgba(198,168,123,0.45); }
.news-media { background: #e2ded6; height: 180px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.news-media img { width: 100%; height: 100%; object-fit: cover; }
.news-content { padding: 24px 24px 28px; flex: 1; display: flex; flex-direction: column; gap: 6px; }
.news-meta-row { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--text-muted-dark); flex-wrap: wrap; }
.category-chip { background: rgba(198,168,123,0.18); color: var(--text-dark); padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.news-item h3 { font-size: 18px; font-weight: 700; line-height: 1.5; margin-bottom: 4px; }
.news-item h3 a:hover { color: var(--cinnabar); }
.news-excerpt { font-size: 14.5px; color: var(--text-muted-dark); line-height: 1.75; margin-top: 6px; }
.news-empty { grid-column: 1 / -1; border: 1px dashed rgba(14,15,20,0.25); background: transparent; padding: 50px 20px; text-align: center; color: var(--text-muted-dark); font-size: 14px; }
.more-news { text-align: center; margin-top: 12px; }

/* FAQ */
.faq { background: var(--bg-light); }
.faq-card-container { display: flex; flex-direction: column; gap: 10px; max-width: 820px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--line-light); border-radius: var(--radius-md); overflow: hidden; transition: all var(--transition); }
.faq-item[open] { box-shadow: var(--shadow-soft); border-color: rgba(198,168,123,0.4); }
.faq-item summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; padding: 22px 26px; font-weight: 600; font-size: 17px; transition: color var(--transition); }
.faq-item summary::-webkit-details-marker { display:none; }
.faq-item summary:hover { background: rgba(198,168,123,0.05); }
.faq-item .faq-icon { color: var(--gold); font-size: 20px; }
.faq-item[open] .faq-icon { transform: rotate(45deg); transition: transform 0.2s; }
.faq-item .faq-answer { padding: 0 26px 24px; color: var(--text-muted-dark); font-size: 15.5px; line-height: 1.85; }
.help-more { text-align: center; margin-top: 32px; }

/* 最终 CTA 窄带 */
.final-cta { padding: 38px 0; background: var(--bg-light); border-top: 1px solid var(--line-light); }
.final-cta-grid { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; color: var(--text-dark); }
.final-cta-grid .left { display: flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 600; }
.final-cta-btn { display: inline-flex; align-items: center; gap: 8px; color: var(--cinnabar); border: 1px solid rgba(167,67,50,0.3); padding: 10px 24px; border-radius: 999px; font-weight: 600; transition: all var(--transition); }
.final-cta-btn:hover { background: var(--cinnabar); color: #fff; border-color: var(--cinnabar); }

/* ===== 页脚 ===== */
.site-footer { background: var(--bg-dark); color: var(--text-muted-hero); }
.footer-main { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 60px; padding: 60px 0 45px; }
.footer-title { color: #fff; font-size: 16px; margin-bottom: 19px; font-weight: 600; }
.footer-brand-title { font-size: 22px; color: #fff; font-weight: 700; display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.footer-brand-title span { color: var(--gold); }
.footer-desc { font-size: 14px; line-height: 1.8; }
.footer-links li { margin-bottom: 10px; }
.footer-links li a { font-size: 14.5px; color: var(--text-muted-hero); transition: color var(--transition); }
.footer-links li a:hover { color: var(--gold-light); }
.footer-bottom { border-top: 1px solid rgba(238,233,225,0.1); padding: 24px 0 28px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; font-size: 13px; color: rgba(153,146,138,0.8); }
.footer-bottom a { color: rgba(153,146,138,0.8); }
.footer-bottom a:hover { color: var(--gold-light); }

/* 响应式 */
@media (max-width: 1200px) {
  .hero-title { font-size: 44px; }
  .hero-grid { gap: 40px; }
  .nav-links li a { padding: 8px 10px; font-size: 14.5px; }
  .nav-download { padding: 8px 12px; }
  .why-media-card { gap: 16px; }
}
@media (max-width: 992px) {
  .nav-left, .nav-right { display: none; }
  .burger-btn { display: flex; }
  .hero { padding-top: 84px; }
  .hero-grid { grid-template-columns: 1fr; gap: 50px; }
  .hero-title { font-size: 40px; }
  .hero .container { padding: 0 30px; }
  .hero-meta-row { margin: 48px 0 0; padding: 18px 12px; }
  .why-grid { grid-template-columns: 1fr; gap: 50px; }
  .summary-block { grid-template-columns: 0.6fr 1.4fr; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 40px; }
  section { padding: 62px 0; }
  .space-xl { --space-xl: 70px; --space-lg: 60px; }
}
@media (max-width: 767px) {
  .container { padding: 0 18px; }
  .hero .container { padding: 0 22px; }
  section { padding: 50px 0; }
  .hero { padding-top: 70px; }
  .hero-title { font-size: 30px; }
  .hero-sub { font-size: 16px; }
  .hero-actions { flex-direction: column; align-items: stretch; width: 100%; }
  .hero-actions .btn { width: 100%; }
  .hero-meta-row { gap: 14px 22px; flex-wrap: wrap; }
  .info-grid { grid-template-columns: 1fr; }
  .req-cluster { grid-template-columns: 1fr; }
  .why-media { gap: 12px; }
  .why-grid { gap: 25px; }
  .section-head h2 { font-size: 26px; }
  .logo-center { position: relative; left: auto; transform: none; justify-content: flex-start; flex: 1; margin-left: 12px; }
  .mobile-dl { margin-top: 16px; }
  .summary-block { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 32px; padding-top: 46px; }
  .download-btns-group { flex-direction: column; align-items: stretch; }
  .download-btns-group .btn { width: 100%; }
  .mobile-menu { top: 60px; }
  .nav-download { padding: 8px 16px; font-size: 13.5px; }
  .nav-wrap { height: 62px; }
  .burger-btn { width: 40px; height: 40px; }
  .final-cta-grid { flex-direction: column; text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* roulang page: category1 */
/* ======================= 设计变量 ======================= */
        :root {
            --bg-dark: #0E0F14;
            --bg-dark-2: #16181F;
            --bg-dark-3: #1D2028;
            --bg-light: #F6F3EE;
            --bg-white: #FFFFFF;
            --line-light: #E7E2D8;
            --gold: #C6A87B;
            --gold-light: #DFC08F;
            --red-deep: #A74332;
            --green: #4A7C6E;
            --amber: #B47A3C;
            --bluegray: #4C6E8A;
            --text-dark-body: #23252B;
            --text-dark-sub: #66636B;
            --text-light-body: #EEE9E1;
            --text-light-sub: #99928A;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-btn: 10px;
            --shadow-soft: 0 20px 40px rgba(0,0,0,.25);
            --max-w: 1200px;
            --trans: .3s ease;
        }

        /* ======================= 基础 Reset ======================= */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-light-body);
            background-color: var(--bg-dark);
            -webkit-font-smoothing: antialiased;
        }
        a { text-decoration: none; color: inherit; }
        a:hover, a:focus { outline: none; }
        img { display: block; max-width: 100%; }
        button { background: none; border: none; cursor: pointer; font-family: inherit; }
        input, textarea { font-family: inherit; }
        ul, ol { list-style: none; }
        i, em { font-style: italic; }

        /* 滚动条 */
        ::-webkit-scrollbar { width: 10px; height: 8px; }
        ::-webkit-scrollbar-track { background: var(--bg-dark-2); }
        ::-webkit-scrollbar-thumb { background: #343842; border-radius: 20px; }

        .container {
            max-width: var(--max-w);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ======================= 导航 ======================= */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(14, 15, 20, .88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(198,168,123,.3);
            box-shadow: 0 8px 32px rgba(0,0,0,.35);
            transition: background .3s;
        }
        .site-header .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 16px;
        }
        .nav-left, .nav-right {
            display: flex;
            align-items: center;
            flex: 1;
            min-width: 0;
        }
        .nav-right { justify-content: flex-end; }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-links li a {
            font-size: 15px;
            color: rgba(238,233,225,.82);
            font-weight: 400;
            padding: 8px 0;
            position: relative;
            letter-spacing: .5px;
            transition: color .25s;
            white-space: nowrap;
        }
        .nav-links li a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            background: var(--gold);
            transform: scaleX(0);
            transform-origin: center;
            transition: transform .3s ease;
        }
        .nav-links li a:hover { color: var(--gold-light); }
        .nav-links li a:hover::after,
        .nav-links li.active a::after { transform: scaleX(1); }
        .nav-links li.active a { color: var(--gold-light); font-weight: 500; }

        .logo-center {
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .logo-brand {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-light-body);
            display: inline-flex;
            align-items: center;
            gap: 3px;
            letter-spacing: 1px;
            background: linear-gradient(135deg, #EFDFC0 0%, #C6A87B 80%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            position: relative;
            padding-right: 64px;
        }
        .logo-brand span { font-weight: 700; }
        .logo-badge {
            font-size: 10px;
            font-weight: 500;
            letter-spacing: 1px;
            color: var(--red-deep);
            background: transparent;
            border: 1px solid var(--red-deep);
            border-radius: 30px;
            padding: 2px 8px 3px 8px;
            margin-left: 6px;
            -webkit-text-fill-color: var(--red-deep);
            line-height: 1.6;
        }
        .nav-download {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: var(--gold);
            color: #181A1F;
            font-size: 14px;
            font-weight: 600;
            padding: 9px 18px;
            border-radius: 30px;
            margin-left: 20px;
            transition: all .3s;
            border: 1px solid transparent;
        }
        .nav-download:hover { background: var(--gold-light); box-shadow: 0 0 18px rgba(223,192,143,.4); transform: translateY(-1px); color: #101014; }

        .burger-btn {
            display: none;
            font-size: 24px;
            color: var(--text-light-body);
            margin-right: 12px;
            background: transparent;
        }

        .mobile-menu {
            display: none;
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease;
            background: rgba(14,15,20,.98);
            border-top: 1px solid rgba(198,168,123,.2);
        }
        .mobile-menu.open { max-height: 620px; }
        .mobile-menu .navbar-list {
            padding: 12px 20px 28px 20px;
            list-style: none;
        }
        .mobile-menu .navbar-list li a {
            display: block;
            padding: 15px 0;
            color: var(--text-light-body);
            font-size: 17px;
            border-bottom: 1px solid rgba(153,146,138,.15);
        }
        .mobile-menu .navbar-list li.active a { color: var(--gold); }
        .mobile-menu .navbar-list li .mobile-dl {
            background: var(--gold);
            color: #1c1e22;
            text-align: center;
            padding: 13px 0;
            border-radius: 12px;
            margin-top: 16px;
            font-weight: 600;
        }

        /* ======================= 分类横幅 ======================= */
        .category-banner {
            position: relative;
            width: 100%;
            min-height: 330px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(180deg, rgba(14,15,20,.35), rgba(14,15,20,.85)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            border-bottom: 1px solid rgba(198,168,123,.25);
            overflow: hidden;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 20% 50%, rgba(198,168,123,.15), transparent 50%);
        }
        .category-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .category-breadcrumb {
            font-size: 13px;
            color: var(--text-light-sub);
            letter-spacing: 1px;
            margin-bottom: 18px;
        }
        .category-breadcrumb a { color: var(--gold); }
        .category-breadcrumb a:hover { color: var(--gold-light); }
        .category-banner h1 {
            font-size: clamp(36px, 5vw, 52px);
            font-weight: 700;
            color: var(--text-light-body);
            letter-spacing: 3px;
            text-shadow: 0 6px 28px rgba(0,0,0,.55);
        }
        .category-banner .banner-sub {
            max-width: 640px;
            margin: 18px auto 0;
            color: var(--text-light-sub);
            font-size: 17px;
            line-height: 1.8;
        }

        /* ======================= 下载主区 ======================= */
        .download-main {
            background: var(--bg-dark);
            padding: 80px 0 90px;
        }
        .download-version-grid {
            display: grid;
            grid-template-columns: 1.2fr .9fr;
            gap: 55px;
            align-items: center;
            margin-bottom: 90px;
        }
        .version-head {
            margin-bottom: 24px;
        }
        .version-version-badge {
            display: inline-flex;
            gap: 6px;
            background: rgba(198,168,123,.14);
            border: 1px solid var(--gold);
            color: var(--gold-light);
            border-radius: 30px;
            padding: 6px 16px;
            font-size: 13px;
            letter-spacing: 1px;
        }
        .version-title {
            font-size: 28px;
            font-weight: 600;
            color: var(--text-light-body);
            margin: 18px 0 12px;
            line-height: 1.4;
        }
        .version-desc {
            color: var(--text-light-sub);
            font-size: 16px;
            line-height: 1.9;
            max-width: 520px;
        }
        .button-download-primary {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background: linear-gradient(135deg, #C9AA7B, #B89360);
            color: #101116;
            font-size: 17px;
            font-weight: 600;
            padding: 16px 34px;
            border-radius: 12px;
            border: none;
            box-shadow: 0 0 28px rgba(198,168,123,.25);
            transition: .3s;
            margin-top: 30px;
            letter-spacing: .8px;
        }
        .button-download-primary:hover {
            background: var(--gold-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(223,192,143,.4);
            color: #151515;
        }
        .qr-download-panel {
            background: var(--bg-white);
            border-radius: 22px;
            padding: 32px 24px 28px;
            box-shadow: var(--shadow-soft);
            text-align: center;
            max-width: 350px;
            justify-self: end;
            width: 100%;
            border: 1px solid rgba(198,168,123,.4);
        }
        .qr-panel-title {
            color: var(--text-dark-body);
            font-weight: 600;
            font-size: 18px;
            border-bottom: 1px solid var(--line-light);
            padding-bottom: 14px;
            margin-bottom: 18px;
        }
        .qr-placeholder {
            width: 150px;
            height: 150px;
            margin: 0 auto 16px;
            background: #f2efe9;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px dashed var(--gold);
            color: var(--gold);
        }
        .qr-placeholder i { font-size: 52px; }
        .qr-side-text {
            color: var(--text-dark-sub);
            font-size: 13px;
            margin-top: 8px;
        }
        .qr-support {
            margin-top: 14px;
            font-size: 13px;
            color: var(--text-dark-sub);
            display: flex;
            justify-content: center;
            gap: 16px;
        }
        .qr-support span i { color: var(--gold); }

        /* 下载平台标签 */
        .platform-switch {
            display: flex;
            gap: 10px;
            justify-content: center;
            margin-top: 22px;
        }
        .platform-tag {
            padding: 8px 20px;
            border-radius: 30px;
            border: 1px solid rgba(198,168,123,.26);
            color: var(--text-light-sub);
            font-size: 14px;
            background: rgba(20,23,31,.6);
        }
        .platform-tag i { margin-right: 6px; color: var(--gold); }
        .platform-tag.active {
            background: rgba(198,168,123,.15);
            color: var(--gold-light);
            border-color: var(--gold);
        }

        /* ======================= 平台系统要求 ======================= */
        .requirements-section {
            background: var(--bg-light);
            padding: 90px 0 90px;
        }
        .section-title-light {
            color: var(--text-dark-body);
            font-size: 32px;
            font-weight: 600;
            text-align: center;
            margin-bottom: 12px;
        }
        .section-sub-light {
            text-align: center;
            color: var(--text-dark-sub);
            margin-bottom: 55px;
            font-size: 16px;
        }
        .req-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .req-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 40px 34px;
            box-shadow: 0 8px 22px rgba(0,0,0,.05);
            border: 1px solid var(--line-light);
            transition: transform .3s, box-shadow .3s;
        }
        .req-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 25px 45px rgba(0,0,0,.09);
        }
        .req-card-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 28px;
        }
        .req-card-header i {
            font-size: 30px;
            color: var(--gold);
            background: rgba(198,168,123,.15);
            width: 55px;
            height: 55px;
            border-radius: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .req-card-header h3 {
            color: var(--text-dark-body);
            font-size: 22px;
            font-weight: 600;
        }
        .req-list { list-style: none; }
        .req-list li {
            color: var(--text-dark-sub);
            padding: 8px 0;
            border-bottom: 1px dotted rgba(198,168,123,.3);
            font-size: 15px;
            display: flex;
            gap: 10px;
        }
        .req-list li i {
            color: var(--gold);
            margin-top: 4px;
            font-size: 15px;
            width: 18px;
        }
        .req-list li strong { color: var(--text-dark-body); font-weight: 600; margin-right: 6px; }

        /* ======================= 时间线版本记录 ======================= */
        .timeline-section {
            background: var(--bg-dark);
            padding: 90px 0 90px;
        }
        .section-title-dark {
            color: var(--text-light-body);
            font-size: 32px;
            font-weight: 600;
            text-align: center;
            margin-bottom: 8px;
        }
        .section-sub-dark {
            text-align: center;
            color: var(--text-light-sub);
            margin-bottom: 60px;
            font-size: 16px;
        }
        .version-timeline {
            display: grid;
            grid-template-columns: 1fr;
            gap: 18px;
            max-width: 820px;
            margin: 0 auto;
        }
        .timeline-item {
            display: flex;
            gap: 32px;
            padding: 24px 28px;
            background: rgba(255,255,255,.03);
            border: 1px solid rgba(198,168,123,.15);
            border-radius: 14px;
            position: relative;
            transition: .3s;
        }
        .timeline-item:hover { border-color: var(--gold); background: rgba(198,168,123,.06); }
        .timeline-date {
            min-width: 65px;
            text-align: right;
            color: var(--gold-light);
            font-size: 14px;
            font-weight: 500;
            border-right: 1px solid rgba(198,168,123,.2);
            padding-right: 18px;
            font-family: 'Oswald', 'DIN Alternate', sans-serif;
            letter-spacing: 1px;
        }
        .timeline-content h4 {
            color: var(--text-light-body);
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
        }
        .timeline-content h4 span {
            background: rgba(198,168,123,.12);
            color: var(--gold-light);
            font-size: 12px;
            padding: 2px 10px;
            border-radius: 30px;
            margin-left: 12px;
            font-weight: 400;
        }
        .timeline-content p { color: var(--text-light-sub); font-size: 14.5px; }

        /* ======================= CTA 深色区 ======================= */
        .cta-section-soft {
            background: linear-gradient(145deg, rgba(198,168,123,.1), rgba(14,15,20,.9)), var(--bg-dark);
            border-block: 1px solid rgba(198,168,123,.2);
            padding: 58px 0;
            text-align: center;
        }
        .cta-title {
            font-size: 25px;
            font-weight: 600;
            color: var(--text-light-body);
            letter-spacing: 2px;
            margin-bottom: 24px;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 18px;
            flex-wrap: wrap;
        }
        .btn-secondary-gold {
            border: 1px solid var(--gold);
            color: var(--gold-light);
            padding: 13px 28px;
            border-radius: 30px;
            background: rgba(198,168,123,.08);
            transition: .3s;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-secondary-gold:hover { background: rgba(198,168,123,.2); transform: translateY(-2px); }

        /* ======================= 帮助FAQ ======================= */
        .faq-simple-block {
            background: var(--bg-light);
            padding: 90px 0 80px;
        }
        .faq-inner-wrap {
            max-width: 720px;
            margin: 0 auto;
        }
        .faq-item {
            margin-bottom: 12px;
            background: #fff;
            border-radius: 12px;
            border: 1px solid var(--line-light);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 22px 28px;
            font-size: 17px;
            font-weight: 500;
            color: var(--text-dark-body);
            cursor: pointer;
            list-style: none;
            gap: 10px;
        }
        .faq-question::-webkit-details-marker { display: none; }
        .faq-question i {
            color: var(--gold);
            transition: .3s;
            font-size: 18px;
        }
        details[open] .faq-question i {
            transform: rotate(45deg);
            color: var(--red-deep);
        }
        .faq-answer {
            padding: 0 28px 24px;
            color: var(--text-dark-sub);
            line-height: 1.9;
            font-size: 15px;
            border-top: 1px dotted var(--line-light);
            padding-top: 18px;
        }
        .view-help-link {
            text-align: center;
            margin-top: 48px;
        }
        .view-help-link a {
            color: var(--text-dark-body);
            border-bottom: 1px solid var(--gold);
            padding-bottom: 4px;
            font-weight: 500;
            font-size: 16px;
        }
        .view-help-link a:hover { color: var(--red-deep); }

        /* ======================= 表单反馈 ======================= */
        .feedback-panel {
            background: var(--bg-dark-2);
            padding: 80px 0 90px;
        }
        .feedback-card {
            background: var(--bg-dark-3);
            border: 1px solid rgba(198,168,123,.15);
            border-radius: 20px;
            padding: 40px;
            max-width: 760px;
            margin: 0 auto;
        }
        .feedback-card h3 { color: var(--text-light-body); font-size: 22px; }
        .feedback-card .form-row {
            margin-top: 22px;
        }
        .feedback-card label {
            color: var(--text-light-sub);
            display: block;
            font-size: 14px;
            margin-bottom: 8px;
        }
        .feedback-card input,
        .feedback-card textarea {
            width: 100%;
            padding: 12px 15px;
            background: rgba(255,255,255,.05);
            border: 1px solid rgba(153,146,138,.25);
            border-radius: 10px;
            color: var(--text-light-body);
            transition: border .3s;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus {
            outline: none;
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(198,168,123,.15);
        }
        .feedback-card textarea { min-height: 120px; resize: vertical; }
        .feedback-submit {
            background: var(--gold);
            color: #101116;
            border-radius: 12px;
            padding: 14px 30px;
            font-weight: 600;
            transition: .3s;
            border: none;
        }
        .feedback-submit:hover { background: var(--gold-light); transform: translateY(-1px); }

        /* ======================= 页脚 ======================= */
        .site-footer {
            background: #0A0B0F;
            border-top: 1px solid rgba(198,168,123,.2);
            padding-top: 65px;
        }
        .footer-main {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 50px;
            padding-bottom: 55px;
        }
        .footer-brand-title {
            font-size: 23px;
            color: var(--text-light-body);
            font-weight: 700;
            letter-spacing: 2px;
        }
        .footer-brand-title span { color: var(--gold); }
        .footer-title {
            color: var(--gold-light);
            font-size: 17px;
            font-weight: 500;
            margin-bottom: 20px;
        }
        .footer-links li { margin-bottom: 12px; }
        .footer-links li a {
            color: rgba(153,146,138,.8);
            font-size: 14.5px;
            transition: .25s;
        }
        .footer-links li a:hover {
            color: var(--gold);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(153,146,138,.15);
            padding-top: 23px;
            padding-bottom: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #6C6C72;
            font-size: 13px;
            flex-wrap: wrap;
            gap: 15px;
            max-width: 1200px !important;
        }
        .footer-bottom a { color: #99928A; transition: .2s; margin-left: 15px; }
        .footer-bottom a:hover { color: var(--gold-light); }

        /* ======================= 响应式 ======================= */
        @media (max-width: 1024px) {
            .nav-links { gap: 16px; }
            .nav-links li a { font-size: 14px; }
            .logo-brand { font-size: 17px; padding-right: 55px; }
            .nav-download { margin-left: 12px; font-size: 13px; padding: 8px 14px; }
            .download-version-grid { gap: 30px; }
        }
        @media (max-width: 820px) {
            .burger-btn { display: block; }
            .nav-links { display: none; }
            .logo-center { order: 2; margin: 0 auto; }
            .nav-left { flex: 1; justify-content: flex-start; }
            .nav-right { flex: 0 0 auto; justify-content: flex-end; }
            .mobile-menu.open { display: block; }
            .download-version-grid { grid-template-columns: 1fr; }
            .qr-download-panel { justify-self: center; max-width: 420px; }
            .req-grid { grid-template-columns: 1fr; }
            .footer-main { grid-template-columns: 1fr; gap: 35px; }
            .category-banner h1 { font-size: 36px; }
        }
        @media (max-width: 600px) {
            .container { padding-left: 16px; padding-right: 16px; }
            .logo-brand { font-size: 15px; padding-right: 5px; flex-direction: column; gap: 0; line-height: 1.4; }
            .logo-badge { font-size: 9px; }
            .nav-download { font-size: 12px; padding: 7px 10px; }
            .category-banner { min-height: 270px; }
            .version-title { font-size: 24px; }
            .button-download-primary { width: 100%; justify-content: center; }
            .qr-download-panel { max-width: 100%; }
            .timeline-item { flex-direction: column; gap: 8px; }
            .timeline-date { text-align: left; border-right: none; border-bottom: 1px solid rgba(198,168,123,.15); padding-bottom: 8px; padding-right: 0; }
            .timeline-content h4 { font-size: 16px; flex-wrap: wrap; }
            .feedback-card { padding: 24px; }
            .footer-bottom { justify-content: center; text-align: center; }
            .footer-bottom span { display: block !important; width: 100%; }
        }

        @media (prefers-reduced-motion: reduce) {
            * { animation: none !important; transition: none !important; }
        }

/* roulang page: article */
:root{
  --dark-bg:#0E0F14;
  --dark-2:#16181F;
  --dark-3:#1D2028;
  --light-bg:#F6F3EE;
  --card-bg:#FFFFFF;
  --border-light:#E7E2D8;
  --border-dark:rgba(255,255,255,.09);
  --gold:#C6A87B;
  --gold-bright:#DFC08F;
  --red:#A74332;
  --success:#4A7C6E;
  --warning:#B47A3C;
  --info:#4C6E8A;
  --text-dark:#23252B;
  --muted-dark:#66636B;
  --text-light:#EEE9E1;
  --muted-light:#99928A;
  --radius:10px;
  --radius-lg:18px;
  --shadow-soft:0 18px 45px rgba(14,15,20,.08);
  --shadow-card:0 12px 30px rgba(14,15,20,.06);
  --transition:.25s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,sans-serif;
  background:var(--light-bg);
  color:var(--text-dark);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}
ul,ol{padding:0;margin:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.gold-text{color:var(--gold)}

.btn{
  display:inline-flex;
  min-height:46px;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:8px 22px;
  border-radius:10px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1.3;
  cursor:pointer;
  transition:transform var(--transition),box-shadow var(--transition),background var(--transition),border-color var(--transition),color var(--transition);
  white-space:nowrap;
}
.btn i{font-size:14px}
.btn-gold{
  background:linear-gradient(135deg,var(--gold) 0%,var(--gold-bright) 100%);
  color:#17181c;
  box-shadow:0 8px 22px rgba(198,168,123,.28);
}
.btn-gold:hover{
  transform:translateY(-2px);
  box-shadow:0 12px 28px rgba(198,168,123,.4);
  color:#101114;
}
.btn-dark{
  background:var(--dark-bg);
  color:#fff;
  box-shadow:0 8px 18px rgba(14,15,20,.18);
}
.btn-dark:hover{transform:translateY(-2px);background:#1c1f29;color:var(--gold-bright)}
.btn-outline-light{
  border-color:rgba(198,168,123,.7);
  color:var(--gold-bright);
  background:rgba(14,15,20,.28);
}
.btn-outline-light:hover{border-color:var(--gold-bright);background:rgba(198,168,123,.12);transform:translateY(-2px)}
.btn-lg{min-height:54px;padding:12px 34px;font-size:16px;border-radius:12px}

.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(14,15,20,.06);
  box-shadow:0 8px 26px rgba(14,15,20,.04);
}
.site-header::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:linear-gradient(90deg,#A74332 0%,#C6A87B 28%,#0E0F14 72%,#DFC08F 100%);
  z-index:1;
}
.nav-wrap{
  height:72px;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  position:relative;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:6px;min-width:0}
.nav-left{justify-content:flex-start}
.nav-right{justify-content:flex-end;gap:12px}
.logo-center{display:flex;justify-self:center;align-items:center;justify-content:center}
.logo-brand{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:2px;
  font-size:21px;
  font-weight:800;
  letter-spacing:.4px;
  color:var(--dark-bg);
  white-space:nowrap;
}
.logo-brand > span:not(.logo-badge){
  color:var(--gold);
  font-weight:900;
  margin-right:2px;
}
.logo-badge{
  font-size:9.5px;
  color:var(--red);
  border:1px solid rgba(167,67,50,.45);
  border-radius:5px;
  padding:0 4px;
  font-weight:700;
  letter-spacing:.5px;
  margin-left:6px;
  line-height:1.8;
  transform:translateY(-8px);
}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links li a{
  display:inline-flex;
  align-items:center;
  padding:10px 12px;
  border-radius:8px;
  color:#2b2d33;
  font-size:15px;
  font-weight:500;
  transition:color var(--transition),background var(--transition);
}
.nav-links li a:hover{color:var(--gold);background:rgba(198,168,123,.1)}
.nav-links li.active a{color:var(--gold);font-weight:600;position:relative}
.nav-links li.active a::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:3px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--gold),var(--gold-bright));
}
.nav-download{
  display:inline-flex;
  align-items:center;
  gap:7px;
  background:var(--dark-bg);
  color:#fff;
  border-radius:9px;
  font-size:14px;
  font-weight:600;
  padding:9px 16px;
  transition:background var(--transition),transform var(--transition),box-shadow var(--transition);
  box-shadow:0 6px 14px rgba(14,15,20,.14);
}
.nav-download:hover{
  background:#1b1e27;
  color:var(--gold-bright);
  transform:translateY(-1px);
  box-shadow:0 8px 18px rgba(14,15,20,.16);
}
.burger-btn{
  display:none;
  background:transparent;
  border:0;
  color:var(--dark-bg);
  font-size:20px;
  width:40px;
  height:40px;
  align-items:center;
  justify-content:center;
  border-radius:8px;
  transition:background var(--transition);
}
.burger-btn:hover{background:rgba(14,15,20,.07)}
.mobile-menu{display:none;position:absolute;top:100%;left:0;right:0;background:var(--light-bg);border-top:1px solid var(--border-light);box-shadow:0 18px 34px rgba(14,15,20,.1);padding:12px 20px 18px}
.mobile-menu.open{display:block}
.mobile-menu .navbar-list{display:flex;flex-direction:column}
.mobile-menu .navbar-list li a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:13px 8px;
  border-radius:8px;
  font-size:16px;
  font-weight:500;
  color:var(--text-dark);
  border-bottom:1px solid rgba(14,15,20,.05);
}
.mobile-menu .navbar-list li a:hover{color:var(--gold);background:rgba(198,168,123,.08)}
.mobile-menu .navbar-list li.active a{color:var(--gold);font-weight:700}
.mobile-menu .navbar-list li a.mobile-dl{
  background:var(--dark-bg);
  color:#fff;
  justify-content:center;
  margin-top:10px;
  border:0;
  border-radius:10px;
}
.mobile-menu .navbar-list li a.mobile-dl:hover{background:#20232e;color:var(--gold-bright)}

/* Article hero */
.article-hero{
  position:relative;
  background:linear-gradient(116deg,#0E0F14 0%,#16181F 56%,rgba(29,32,40,.85) 100%),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:58px 0 52px;
  border-bottom:1px solid rgba(198,168,123,.22);
  overflow:hidden;
}
.article-hero::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:90px;
  background:linear-gradient(180deg,transparent,rgba(14,15,20,.5));
  pointer-events:none;
}
.article-hero-in{position:relative;z-index:2;max-width:900px;margin:0 auto}
.pane-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--gold-bright);
  border:1px solid rgba(198,168,123,.35);
  background:rgba(14,15,20,.4);
  padding:5px 13px;
  border-radius:99px;
  font-size:12.5px;
  letter-spacing:.6px;
  margin-bottom:22px;
}
.pane-eyebrow .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--gold);
  box-shadow:0 0 0 0 rgba(198,168,123,.6);
  animation:pulse 2.4s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(198,168,123,.35)}
  70%{box-shadow:0 0 0 7px rgba(198,168,123,0)}
  100%{box-shadow:0 0 0 0 rgba(198,168,123,0)}
}
.breadcrumb-nav{
  display:flex;
  align-items:center;
  gap:8px;
  color:#8f8a81;
  font-size:14px;
  margin-bottom:18px;
}
.breadcrumb-nav a{color:#8f8a81;transition:color var(--transition)}
.breadcrumb-nav a:hover{color:var(--gold)}
.breadcrumb-nav i{font-size:10px;color:#585852}
.breadcrumb-nav span{color:#d8cbb4;font-weight:500}
.article-title{
  color:#fff;
  font-size:clamp(30px,4.4vw,44px);
  line-height:1.32;
  font-weight:800;
  letter-spacing:.4px;
  margin-bottom:18px;
  word-break:break-word;
}
.article-title .article-title-suffix{color:var(--gold);font-size:.88em;font-weight:700}
.article-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px 26px;
  color:var(--muted-light);
  font-size:14px;
  padding-top:4px;
  position:relative;
}
.article-meta span{display:inline-flex;align-items:center;gap:8px}
.article-meta i{color:var(--gold);font-size:13px;width:14px}
.article-meta .meta-sep{display:inline-block;width:1px;height:16px;background:rgba(255,255,255,.14)}

/* Article body */
.article-zone{padding:54px 0 64px}
.article-row{display:grid;grid-template-columns:minmax(0,860px);justify-content:center}
.article-paper{
  background:var(--card-bg);
  border:1px solid var(--border-light);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-soft);
  padding:clamp(26px,5vw,58px);
}
.article-feature-figure{
  border-radius:14px;
  overflow:hidden;
  margin-bottom:34px;
  border:1px solid var(--border-light);
  aspect-ratio:16/7;
  background:var(--dark-2);
}
.article-feature-figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.article-feature-figure:hover img{transform:scale(1.02)}
.article-content{
  color:#2C2E34;
  font-size:16.5px;
  line-height:1.9;
}
.article-content > * + *{margin-top:1.35em}
.article-content h2{
  font-size:26px;
  color:var(--dark-bg);
  padding-top:.35em;
  margin-top:1.4em;
  font-weight:800;
  letter-spacing:.2px;
}
.article-content h3{
  font-size:20px;
  color:var(--dark-bg);
  padding-top:.3em;
  font-weight:700;
}
.article-content a{color:var(--gold);font-weight:600;text-decoration:underline;text-underline-offset:3px;transition:color var(--transition)}
.article-content a:hover{color:var(--red)}
.article-content img{border-radius:12px;margin:28px 0;box-shadow:var(--shadow-card)}
.article-content blockquote{
  margin-left:0;
  margin-right:0;
  background:#FAF7F1;
  border-left:2px solid var(--gold);
  border-radius:0 10px 10px 0;
  padding:18px 22px;
  color:#5a554d;
  font-size:15.5px;
}
.article-content ul,.article-content ol{padding-left:24px}
.article-content ul{list-style:disc}
.article-content ol{list-style:decimal}
.article-content li{margin:.5em 0}
.article-content table{width:100%;border-collapse:collapse;font-size:15px}
.article-content th,.article-content td{border:1px solid var(--border-light);padding:10px 12px;text-align:left}
.article-content th{background:var(--light-bg);color:var(--dark-bg);font-weight:600}
.article-content code{background:#F0EDE6;border-radius:5px;padding:1px 7px;color:var(--red);font-size:.92em}
.article-content iframe{width:100%;border-radius:12px;border:1px solid var(--border-light)}
.article-footer{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:14px;
  margin-top:42px;
  padding-top:24px;
  border-top:1px solid var(--border-light);
}
.article-hashtags{display:flex;flex-wrap:wrap;gap:8px}
.article-hashtag{
  font-size:12.5px;
  color:var(--muted-dark);
  background:#F4F1EB;
  border-radius:99px;
  padding:4px 12px;
  transition:background var(--transition),color var(--transition);
}
.article-hashtag:hover{background:var(--gold);color:#16181c}
.article-share{display:flex;align-items:center;gap:6px;color:var(--muted-dark);font-size:14px}
.article-share a{
  width:34px;height:34px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:8px;
  border:1px solid var(--border-light);
  color:var(--muted-dark);
  transition:all var(--transition);
}
.article-share a:hover{color:var(--gold);border-color:var(--gold);background:rgba(198,168,123,.08)}
.article-bottom-cta{
  margin-top:36px;
  background:linear-gradient(135deg,#16181F,#0E0F14);
  border-radius:16px;
  padding:26px 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:18px;
  border:1px solid rgba(198,168,123,.22);
}
.article-bottom-cta .cta-head{display:flex;align-items:center;gap:14px;min-width:220px}
.article-bottom-cta .cta-icon{
  width:48px;height:48px;
  border-radius:12px;
  background:rgba(198,168,123,.14);
  border:1px solid rgba(198,168,123,.35);
  color:var(--gold-bright);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
  flex-shrink:0;
}
.article-bottom-cta h3{color:#fff;font-size:19px;margin-bottom:2px;font-weight:700}
.article-bottom-cta p{color:var(--muted-light);font-size:14px}
.article-bottom-cta .cta-actions{display:flex;flex-wrap:wrap;gap:10px}
.article-nav-row{
  margin-top:34px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}
.article-nav-block{
  display:flex;
  align-items:center;
  gap:12px;
  border:1px solid var(--border-light);
  border-radius:14px;
  background:#fff;
  padding:16px 18px;
  transition:all var(--transition);
  color:var(--text-dark);
}
.article-nav-block i{color:var(--gold);font-size:18px;flex-shrink:0}
.article-nav-block .mini-title{font-size:13px;color:var(--muted-dark)}
.article-nav-block .nav-txt{font-weight:700;font-size:15px;line-height:1.5}
.article-nav-block:hover{border-color:var(--gold);transform:translateY(-2px);box-shadow:var(--shadow-card)}
.article-nav-block.right{justify-content:flex-end;text-align:right}

/* Related */
.related-section{
  background:var(--light-bg);
  padding:28px 0 78px;
}
.related-head{
  max-width:900px;
  margin:0 auto 30px;
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  padding:0 4px;
}
.related-head .eyebrow{font-size:14px;color:var(--gold);font-weight:700;letter-spacing:1px;margin-bottom:6px}
.related-head h2{font-size:30px;color:var(--dark-bg);font-weight:800}
.related-head a.see-more{
  color:var(--muted-dark);
  font-size:15px;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:7px;
  transition:color var(--transition),transform var(--transition);
}
.related-head a.see-more:hover{color:var(--gold);transform:translateX(4px)}
.related-grid{
  max-width:900px;
  margin:0 auto;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.related-card{
  background:#fff;
  border:1px solid var(--border-light);
  border-radius:14px;
  overflow:hidden;
  box-shadow:0 7px 22px rgba(14,15,20,.05);
  transition:all var(--transition);
  display:flex;
  flex-direction:column;
}
.related-card:hover{transform:translateY(-5px);border-color:var(--gold);box-shadow:0 18px 36px rgba(14,15,20,.12)}
.related-card .rc-img{aspect-ratio:16/9;overflow:hidden;background:var(--dark-2);position:relative}
.related-card .rc-img img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.related-card:hover .rc-img img{transform:scale(1.05)}
.related-card .rc-body{padding:19px 20px 20px;flex:1;display:flex;flex-direction:column}
.rc-badge{
  position:absolute;
  left:12px;
  top:12px;
  background:rgba(14,15,20,.7);
  border:1px solid rgba(198,168,123,.35);
  color:var(--gold-bright);
  font-size:12px;
  padding:3px 10px;
  border-radius:99px;
  backdrop-filter:blur(6px);
}
.related-card h3{
  font-size:17px;
  line-height:1.5;
  color:var(--dark-bg);
  margin-bottom:9px;
  font-weight:700;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.related-card p{
  color:var(--muted-dark);
  font-size:14px;
  line-height:1.65;
  margin-bottom:15px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  flex:1;
}
.related-card .rc-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--muted-light)}
.related-card .rc-meta i{color:var(--gold);width:13px;font-size:12px}

/* Missing */
.article-missing{
  background:linear-gradient(135deg,#0E0F14 0%,#16181F 100%),url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  min-height:520px;
  padding:80px 0;
}
.not-found-panel{
  max-width:560px;
  margin:0 auto;
  text-align:center;
  color:#fff;
  background:rgba(29,32,40,.72);
  border:1px solid rgba(198,168,123,.22);
  border-radius:20px;
  padding:52px 32px;
  backdrop-filter:blur(10px);
}
.not-found-panel .na-mark{
  width:76px;height:76px;
  border-radius:22px;
  margin:0 auto 24px;
  background:rgba(198,168,123,.12);
  border:1px solid rgba(198,168,123,.3);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--gold-bright);
  font-size:32px;
}
.not-found-panel h1{font-size:34px;margin:0 0 14px;font-weight:800}
.not-found-panel p{color:var(--muted-light);font-size:15.5px;margin-bottom:28px}
.not-found-panel .btn{margin:0 4px}

/* Download band */
.download-band{
  background:linear-gradient(112deg,#0E0F14 18%,#191C24 70%),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding:58px 0;
  border-top:1px solid rgba(198,168,123,.2);
  position:relative;
}
.download-band-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
}
.dl-copy{flex:1 1 400px}
.dl-copy .eyebrow{
  color:var(--gold);
  font-weight:700;
  font-size:13.5px;
  letter-spacing:1.2px;
  display:block;
  margin-bottom:10px;
}
.dl-copy h2{
  color:#fff;
  font-size:clamp(27px,3.4vw,36px);
  line-height:1.35;
  font-weight:800;
  margin:0 0 14px;
}
.dl-copy p{color:var(--muted-light);font-size:15.5px;line-height:1.85;max-width:520px}
.dl-actions{display:flex;flex-direction:column;gap:12px;flex:0 1 360px}
.dl-main-btns{display:flex;gap:10px;flex-wrap:wrap}
.dl-note{display:flex;align-items:center;gap:8px;color:var(--muted-light);font-size:14px;flex-wrap:wrap}
.dl-note i{color:var(--gold)}

/* Footer */
.site-footer{
  background:#0B0C10;
  color:#989187;
  padding:62px 0 34px;
  border-top:1px solid rgba(198,168,123,.18);
}
.footer-main{
  display:grid;
  grid-template-columns:1.3fr .9fr .9fr;
  gap:40px 46px;
  padding-bottom:38px;
}
.footer-brand-title{font-size:25px;color:#fff;font-weight:800;margin-bottom:14px;letter-spacing:.6px}
.footer-brand-title span{color:var(--gold)}
.footer-note{font-size:14.5px;line-height:1.9;max-width:310px;margin-top:12px}
.footer-title{color:#fff;font-size:15.5px;margin-bottom:18px;font-weight:700;letter-spacing:.4px}
.footer-links li{margin-bottom:5px}
.footer-links li a{
  color:#989187;
  font-size:14px;
  line-height:1.4;
  padding:5px 0;
  display:inline-flex;
  align-items:center;
  gap:7px;
  transition:color var(--transition),transform var(--transition);
}
.footer-links li a::before{content:"·";color:var(--gold);font-weight:700}
.footer-links li a:hover{color:var(--gold-bright);transform:translateX(3px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.07);
  padding-top:24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px 18px;
  flex-wrap:wrap;
  font-size:13px;
  color:#6e6965;
}
.footer-bottom a{
  color:#9b9186;
  transition:color var(--transition);
}
.footer-bottom a:hover{color:var(--gold)}
.footer-mini-links{display:inline-flex;gap:18px}

@media (max-width:1199px){
  .nav-links li a{padding:9px 8px;font-size:14px}
  .nav-right{gap:8px}
  .nav-download{padding:9px 12px;font-size:13.5px}
}
@media (max-width:991px){
  .site-header .nav-wrap{height:64px;grid-template-columns:1fr auto 1fr}
  .burger-btn{display:inline-flex}
  .desktop-nav-links,.nav-links{display:none}
  .nav-left .burger-btn{margin-left:-8px}
  .logo-brand{font-size:18.5px}
  .nav-download{padding:8px 13px;font-size:13px}
  .logo-badge{font-size:8.5px}
  .article-zone{padding:36px 0 46px}
  .related-section{padding:18px 0 60px}
  .related-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .site-header .nav-wrap{height:58px}
  .logo-brand{font-size:16.5px}
  .logo-badge{transform:translateY(-5px);font-size:7.5px;padding:0 3px;margin-left:3px}
  .nav-download{width:36px;padding:0;justify-content:center}
  .nav-download i{font-size:15px}
  .nav-download span{display:none}
  .burger-btn{font-size:18px;width:36px;height:36px}
  .article-hero{padding:36px 0 34px}
  .pane-eyebrow{margin-bottom:14px}
  .breadcrumb-nav{font-size:13px;gap:5px}
  .article-title{font-size:26px}
  .article-meta{gap:4px 14px;font-size:13px}
  .article-paper{border-radius:16px;padding:22px 18px}
  .article-feature-figure{aspect-ratio:16/10;margin-bottom:24px}
  .article-content{font-size:16px;line-height:1.85}
  .article-content h2{font-size:21px}
  .article-content h3{font-size:18px}
  .article-footer{flex-direction:column;align-items:flex-start}
  .article-bottom-cta{padding:20px 18px}
  .article-bottom-cta .cta-icon{display:none}
  .article-bottom-cta .cta-actions{width:100%;flex-direction:column}
  .article-bottom-cta .btn{width:100%}
  .article-nav-row{grid-template-columns:1fr;gap:10px}
  .article-nav-block{padding:14px}
  .related-head{flex-direction:column;align-items:flex-start;gap:5px}
  .related-head h2{font-size:26px}
  .related-grid{grid-template-columns:1fr}
  .related-card .rc-body{padding:17px}
  .related-card h3{font-size:18px}
  .download-band{padding:44px 0}
  .dl-actions{flex:1 1 100%}
  .dl-main-btns{flex-direction:column}
  .dl-main-btns .btn{width:100%}
  .footer-main{grid-template-columns:1fr;gap:28px;padding-bottom:24px}
  .footer-brand-title{font-size:22px}
  .footer-bottom{justify-content:center;text-align:center}
  .footer-mini-links{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto}
}

/* roulang page: category2 */
:root {
  --bg-dark: #0e0f14;
  --panel-dark: #16181f;
  --panel-dark-2: #1d2028;
  --bg-light: #f6f3ee;
  --card-light: #ffffff;
  --line-light: #e7e2d8;
  --line-dark: rgba(198, 168, 123, .22);
  --gold: #c6a87b;
  --gold-deep: #a8865c;
  --gold-bright: #dfc08f;
  --red: #a74332;
  --green: #4a7c6e;
  --amber: #b47a3c;
  --blue-gray: #4c6e8a;
  --text-dark: #23252b;
  --muted-dark: #66636b;
  --text-light: #eee9e1;
  --muted-light: #99928a;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 999px;
  --shadow-soft: 0 18px 46px rgba(24, 22, 18, .10);
  --shadow-gold: 0 12px 30px rgba(198, 168, 123, .22);
  --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
  --container-w: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}

body {
  font-family: var(--font-stack);
  background: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

button,
input {
  font-family: inherit;
}

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(198, 168, 123, .28);
  box-shadow: 0 6px 24px rgba(20, 18, 14, .05);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}

.nav-left {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-right {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 22px;
}

.nav-links a {
  position: relative;
  display: inline-block;
  padding: 10px 0;
  font-size: 15px;
  color: var(--text-dark);
  font-weight: 500;
  transition: color .25s ease;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-bright));
  transform: scaleX(0);
  transform-origin: center;
  border-radius: 2px;
  transition: transform .3s ease;
}

.nav-links a:hover {
  color: var(--gold-deep);
}

.nav-links a:hover::after,
.nav-links li.active a::after {
  transform: scaleX(1);
}

.nav-links li.active a {
  color: var(--gold-deep);
  font-weight: 600;
}

.logo-center {
  flex-shrink: 0;
}

.logo-brand {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: .5px;
  color: #1a1a1a;
  white-space: nowrap;
}

.logo-brand span {
  color: var(--gold-deep);
  font-weight: 800;
}

.logo-badge {
  display: inline-block;
  margin-left: 6px;
  padding: 3px 9px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .6px;
  color: var(--red);
  border: 1px solid rgba(167, 67, 50, .45);
  border-radius: var(--radius-pill);
  line-height: 1.4;
  background: rgba(167, 67, 50, .04);
}

.nav-download {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 42px;
  padding: 0 16px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--gold-bright), var(--gold));
  color: #1c1813;
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 8px 18px rgba(198, 168, 123, .20);
  transition: transform .25s ease, box-shadow .25s ease, filter .25s ease;
}

.nav-download:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
  filter: brightness(1.04);
}

.burger-btn {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(198, 168, 123, .45);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-dark);
  font-size: 17px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background .25s ease;
}

.burger-btn:hover {
  background: rgba(198, 168, 123, .12);
}

.mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
  background: #ffffff;
  border-top: 1px solid rgba(198, 168, 123, .16);
}

.mobile-menu.open {
  max-height: 520px;
}

.mobile-menu .navbar-list {
  list-style: none;
  padding: 10px 24px 20px;
}

.mobile-menu .navbar-list li a {
  display: block;
  padding: 13px 4px;
  color: var(--text-dark);
  font-size: 16px;
  font-weight: 500;
  border-bottom: 1px solid rgba(0, 0, 0, .05);
  transition: color .2s ease, padding-left .25s ease;
}

.mobile-menu .navbar-list li:last-child a {
  border-bottom: 0;
}

.mobile-menu .navbar-list li a:hover {
  color: var(--gold-deep);
  padding-left: 8px;
}

.mobile-menu .navbar-list li.active a {
  color: var(--gold-deep);
  font-weight: 700;
}

.mobile-menu .mobile-dl {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 14px;
  border-radius: var(--radius-md);
  background: linear-gradient(120deg, var(--gold-bright), var(--gold));
  color: #211b12;
  font-weight: 700;
  padding: 13px 10px !important;
  border: 0 !important;
}

/* Page hero */
.page-hero {
  position: relative;
  min-height: 360px;
  display: flex;
  align-items: center;
  background:
    radial-gradient(ellipse at 78% 42%, rgba(198, 168, 123, .28), transparent 44%),
    linear-gradient(110deg, #0b0c11 0%, #13151b 62%, rgba(15, 16, 22, .74) 100%),
    url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  color: var(--text-light);
  padding: 50px 0 58px;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 12, 17, .30), rgba(11, 12, 17, .78));
  pointer-events: none;
}

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

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  color: var(--muted-light);
  margin-bottom: 22px;
}

.crumbs a {
  color: rgba(238, 233, 225, .8);
  transition: color .2s ease;
}

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

.crumbs i {
  font-size: 10px;
  opacity: .55;
}

.page-kicker {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 12px;
  border: 1px solid rgba(198, 168, 123, .45);
  border-radius: var(--radius-pill);
  color: var(--gold-bright);
  font-size: 13px;
  letter-spacing: .8px;
  background: rgba(198, 168, 123, .08);
  margin-bottom: 16px;
  width: fit-content;
}

.page-hero h1 {
  max-width: 820px;
  font-size: clamp(27px, 4.1vw, 44px);
  line-height: 1.24;
  letter-spacing: 1px;
  color: #ffffff;
  font-weight: 800;
}

.page-hero h1 .keyword {
  color: var(--gold-bright);
}

.page-hero .hero-desc {
  max-width: 760px;
  margin-top: 16px;
  font-size: 16.5px;
  line-height: 1.85;
  color: rgba(238, 233, 225, .82);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.btn-gold,
.btn-unlight,
.btn-gray {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 22px;
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .3s ease;
}

.btn-gold {
  background: linear-gradient(120deg, var(--gold-bright), var(--gold));
  color: #1d1812;
  box-shadow: 0 10px 26px rgba(198, 168, 123, .24);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
  filter: brightness(1.05);
  color: #1d1812;
}

.btn-unlight {
  background: rgba(255, 255, 255, .05);
  border-color: rgba(238, 233, 225, .22);
  color: var(--text-light);
  backdrop-filter: blur(6px);
}

.btn-unlight:hover {
  border-color: rgba(198, 168, 123, .65);
  background: rgba(198, 168, 123, .11);
  color: var(--gold-bright);
}

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

.section-tight {
  padding: 72px 0;
}

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

.bg-dark {
  background: var(--bg-dark);
  color: var(--text-light);
}

.bg-white {
  background: #fff;
}

.section-head {
  max-width: 780px;
  margin-bottom: 46px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 2px;
  font-weight: 700;
  color: var(--gold-deep);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.bg-dark .section-kicker {
  color: var(--gold-bright);
}

.section-head h2 {
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.28;
  color: var(--text-dark);
  letter-spacing: .3px;
}

.bg-dark .section-head h2 {
  color: #ffffff;
}

.section-head p {
  margin-top: 14px;
  color: var(--muted-dark);
  font-size: 16px;
  line-height: 1.85;
}

.bg-dark .section-head p {
  color: var(--muted-light);
}

/* Feature section */
.feature-intro {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 48px;
  align-items: end;
  margin-bottom: 52px;
}

.feature-note {
  background: rgba(198, 168, 123, .08);
  border: 1px solid rgba(198, 168, 123, .30);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  color: var(--gold-deep);
  font-size: 15px;
  line-height: 1.8;
}

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

.feature-card {
  background: var(--card-light);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  box-shadow: 0 6px 20px rgba(25, 24, 20, .04);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(198, 168, 123, .55);
  box-shadow: var(--shadow-soft);
}

.feature-ico {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(223, 192, 143, .18), rgba(198, 168, 123, .10));
  border: 1px solid rgba(198, 168, 123, .35);
  color: var(--gold-deep);
  font-size: 18px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 18px;
  color: var(--text-dark);
  margin-bottom: 10px;
  font-weight: 700;
}

.feature-card p {
  font-size: 15px;
  color: var(--muted-dark);
  line-height: 1.8;
}

/* Feature media */
.feature-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-light);
  box-shadow: var(--shadow-soft);
}

.feature-media img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  transition: transform .8s ease;
}

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

/* version timeline */
.timeline-wrap {
  max-width: 920px;
  margin: 0 auto;
}

.timeline {
  position: relative;
  list-style: none;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, rgba(198, 168, 123, .55), rgba(198, 168, 123, .08));
}

.timeline li {
  position: relative;
  padding-left: 56px;
  padding-bottom: 44px;
}

.timeline li:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: 5px;
  top: 5px;
  width: 16px;
  height: 16px;
  border: 3px solid var(--panel-dark);
  background: var(--gold);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(198, 168, 123, .32);
}

.timeline-version {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 9px;
}

.version-name {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: 8px;
  background: var(--gold-bright);
  color: #241e14;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .4px;
}

.version-date {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted-light);
  font-size: 13.5px;
}

.version-mark {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(167, 67, 50, .5);
  color: #eeb4a9;
  font-size: 12px;
}

.timeline h3 {
  color: #ffffff;
  font-size: 19px;
  margin-bottom: 8px;
}

.timeline .version-log {
  font-size: 15px;
  color: var(--muted-light);
  max-width: 720px;
}

/* compatibility / info cards */
.support-layout {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.support-card {
  background: #fff;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  padding: 24px 22px;
  transition: border-color .3s ease, transform .3s ease, box-shadow .3s ease;
}

.support-card:hover {
  border-color: rgba(198, 168, 123, .6);
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}

.support-card .sup-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(198, 168, 123, .13);
  color: var(--gold-deep);
  font-size: 17px;
  margin-bottom: 14px;
}

.support-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.support-card p,
.support-card .version-tag {
  color: var(--muted-dark);
  font-size: 14px;
}

.support-card .version-tag {
  display: inline-block;
  margin-top: 10px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--bg-light);
  color: var(--gold-deep);
  font-weight: 600;
}

/* news */
.news-grid {
  display: grid;
  grid-template-columns: 1.15fr .95fr .95fr;
  gap: 22px;
}

.news-card {
  background: var(--card-light);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .35s ease, box-shadow .35s ease;
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-soft);
}

.news-card .news-pic {
  height: 200px;
  overflow: hidden;
  position: relative;
}

.news-card .news-pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .7s ease;
}

.news-card:hover .news-pic img {
  transform: scale(1.05);
}

.news-pic .type-badge {
  position: absolute;
  left: 14px;
  top: 14px;
  z-index: 2;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  border: 1px solid rgba(255, 255, 255, .36);
  background: rgba(14, 15, 20, .48);
  color: #fff;
  backdrop-filter: blur(6px);
  white-space: nowrap;
}

.news-body {
  padding: 22px 22px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--muted-dark);
  font-size: 13px;
  margin-bottom: 10px;
}

.news-meta i {
  color: var(--gold);
}

.news-body h3 {
  font-size: 18px;
  color: var(--text-dark);
  line-height: 1.5;
  font-weight: 700;
  margin-bottom: 10px;
}

.news-body p {
  color: var(--muted-dark);
  font-size: 14.5px;
  line-height: 1.75;
  margin-bottom: 16px;
}

.news-link {
  margin-top: auto;
  color: var(--gold-deep);
  font-size: 14px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: gap .3s ease, color .2s ease;
}

.news-link:hover {
  color: var(--text-dark);
}

.news-link:hover {
  gap: 12px;
}

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

.faq-item {
  background: #ffffff;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  padding: 0 22px;
  transition: border-color .3s ease, box-shadow .3s ease;
}

.faq-item:hover {
  border-color: rgba(198, 168, 123, .44);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  position: relative;
  padding: 20px 44px 20px 0;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.6;
  transition: color .25s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 50%;
  width: 32px;
  height: 32px;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-light);
  border-radius: 50%;
  color: var(--gold-deep);
  font-size: 21px;
  font-weight: 400;
  background: var(--bg-light);
  transition: transform .3s ease, background .3s ease, color .3s ease;
}

.faq-item[open] summary::after {
  content: "−";
  transform: translateY(-50%) rotate(0deg);
  background: var(--gold);
  color: #201a13;
  border-color: var(--gold);
}

.faq-item[open] {
  border-color: rgba(198, 168, 123, .55);
  box-shadow: var(--shadow-soft);
}

.faq-item .faq-body {
  padding: 0 44px 22px 0;
  color: var(--muted-dark);
  font-size: 15px;
  line-height: 1.9;
}

/* CTA */
.cta-section {
  position: relative;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(198, 168, 123, .20), transparent 42%),
    linear-gradient(135deg, #0c0d12 0%, #191b23 100%);
  padding: 92px 0;
  color: var(--text-light);
}

.cta-section h2 {
  font-size: clamp(25px, 3.6vw, 36px);
  color: #fff;
  text-align: center;
}

.cta-section .cta-sub {
  text-align: center;
  margin: 14px auto 0;
  max-width: 680px;
  color: var(--muted-light);
}

.cta-box {
  margin-top: 34px;
  text-align: center;
}

.download-btn-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.download-btn-group .btn-gold,
.download-btn-group .btn-unlight {
  min-width: 150px;
  min-height: 54px;
  font-size: 16px;
}

.cta-note {
  text-align: center;
  color: var(--muted-light);
  font-size: 14px;
  margin-top: 24px;
}

.cta-divider {
  border: 0;
  border-top: 1px solid rgba(198, 168, 123, .22);
  max-width: 900px;
  margin: 84px auto 0;
}

/* footer */
.site-footer {
  background: #0a0b0f;
  color: var(--muted-light);
  padding: 72px 0 0;
  border-top: 1px solid rgba(198, 168, 123, .18);
}

.footer-main {
  display: grid;
  grid-template-columns: 1.2fr .9fr .9fr;
  gap: 50px;
  padding-bottom: 52px;
}

.footer-brand-title {
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: .6px;
}

.footer-brand-title span {
  color: var(--gold-bright);
}

.footer-title {
  color: #e8e1d6;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 14px;
}

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

.footer-links a {
  color: var(--muted-light);
  font-size: 14.5px;
  transition: color .25s ease, padding-left .25s ease;
}

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

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 0;
  border-top: 1px solid rgba(238, 233, 225, .10);
  color: rgba(153, 146, 138, .8);
  font-size: 13.5px;
}

.footer-bottom a {
  color: rgba(238, 233, 225, .72);
}

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

/* focus */
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(198, 168, 123, .6);
  outline-offset: 2px;
}

/* responsive */
@media (max-width: 1024px) {
  .nav-links {
    gap: 14px;
  }

  .nav-left {
    gap: 8px;
  }

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

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

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

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

  .news-card:first-child {
    grid-column: 1 / -1;
  }

  .news-card:first-child .news-pic {
    height: 250px;
  }

  .footer-main {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 991px) {
  .burger-btn {
    display: inline-flex;
  }

  .nav-left .nav-links,
  .nav-right .nav-links {
    display: none;
  }

  .site-header .nav-wrap {
    min-height: 64px;
  }

  .logo-center {
    margin: 0 auto;
  }

  .nav-left {
    flex: 0 0 120px;
  }

  .nav-right {
    flex: 0 0 auto;
  }

  .nav-right .nav-download {
    display: inline-flex;
    min-height: 38px;
    padding: 0 14px;
    font-size: 13.5px;
  }

  .page-hero {
    min-height: 330px;
  }

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

@media (max-width: 767px) {
  .section {
    padding: 64px 0;
  }

  .feature-media img {
    max-height: 320px;
  }

  .timeline li {
    padding-left: 42px;
  }

  .timeline::before {
    left: 7px;
  }

  .timeline-dot {
    left: 0px;
  }

  .news-grid,
  .news-grid .news-card:first-child {
    grid-template-columns: 1fr;
    grid-column: auto;
  }

  .news-card .news-pic {
    height: 180px;
  }

  .news-card:first-child .news-pic {
    height: 180px;
  }

  .support-layout {
    grid-template-columns: 1fr;
  }

  .cta-section {
    padding: 72px 0;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 34px;
    padding-bottom: 40px;
  }

  .footer-bottom {
    justify-content: center;
    text-align: center;
  }
}

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

  .logo-brand {
    font-size: 15px;
  }

  .logo-badge {
    display: none;
  }

  .logo-center {
    margin: 0 auto;
  }

  .nav-left {
    flex: 0 0 32px;
  }

  .nav-right .nav-download {
    font-size: 0;
    gap: 0;
    width: 40px;
    padding: 0;
    justify-content: center;
  }

  .nav-right .nav-download i {
    font-size: 15px;
  }

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

  .btn-gold,
  .btn-unlight {
    width: 100%;
    padding: 0 18px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .page-hero {
    min-height: 360px;
    padding: 38px 0 42px;
  }

  .section-head h2 {
    font-size: 23px;
  }

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

  .download-btn-group .btn-gold,
  .download-btn-group .btn-unlight {
    width: 100%;
  }

  .faq-item summary {
    font-size: 15.5px;
    padding-right: 48px;
  }

  .faq-item .faq-body {
    padding-right: 4px;
  }
}

/* roulang page: category3 */
:root {
    --dark: #0e0f14;
    --dark-panel: #16181f;
    --dark-hover: #1d2028;
    --champagne: #c6a87b;
    --champagne-high: #dfc08f;
    --vermilion: #a74332;
    --creamy-bg: #f6f3ee;
    --white: #ffffff;
    --divider: #e7e2d8;
    --warm-grey: #eee9e1;
    --mid-grey: #99928a;
    --text-on-light: #23252b;
    --secondary-on-light: #66636b;
    --success: #4a7c6e;
    --warning: #b47a3c;
    --info: #4c6e8a;
    --radius-card: 16px;
    --radius-btn: 10px;
    --shadow-dark: 0 18px 36px rgba(0, 0, 0, 0.35);
    --shadow-light: 0 14px 30px rgba(0, 0, 0, 0.06);
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
    background: var(--creamy-bg);
    color: var(--text-on-light);
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }

  a {
    color: var(--text-on-light);
    text-decoration: none;
    transition: color 0.25s ease, opacity 0.25s ease, border-color 0.25s ease;
  }

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

  ul,
  ol {
    list-style: none;
  }

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

  button {
    cursor: pointer;
  }

  .container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
  }
  @media(max-width: 768px) {
    .container {
      padding-left: 16px;
      padding-right: 16px;
    }
  }

  /* header */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--divider);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.03);
    height: 72px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    backdrop-filter: blur(8px);
  }

  .nav-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    height: 72px;
    max-width: 1360px;
  }

  .nav-left,
  .nav-right {
    flex: 1;
    display: flex;
    align-items: center;
  }

  .nav-right {
    justify-content: flex-end;
  }

  .logo-center {
    flex: 1 0 auto;
    display: flex;
    justify-content: center;
    z-index: 2;
  }

  .logo-brand {
    display: inline-flex;
    align-items: baseline;
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: var(--text-on-light);
    white-space: nowrap;
  }

  .logo-brand span {
    color: var(--dark);
  }

  .logo-brand span:first-child {
    position: relative;
  }

  .logo-brand .logo-badge {
    font-size: 11px;
    color: var(--vermilion);
    border: 1px solid rgba(167, 67, 50, 0.6);
    border-radius: 4px;
    padding: 1px 5px;
    margin-left: 6px;
    font-weight: 600;
    letter-spacing: 1px;
    line-height: 1.4;
    vertical-align: 3px;
  }

  .nav-links {
    display: flex;
    gap: 28px;
    align-items: center;
  }

  .nav-links a {
    font-size: 15px;
    font-weight: 500;
    color: #33343a;
    position: relative;
    padding: 8px 0;
    line-height: 1.4;
    transition: color 0.25s;
  }

  .nav-links a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--champagne);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s cubic-bezier(0.23, 1, 0.32, 1);
  }

  .nav-links a:hover {
    color: var(--dark);
  }

  .nav-links a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
  }

  .nav-links li.active a {
    color: #111;
    font-weight: 600;
  }

  .nav-links li.active a::after {
    background: var(--champagne);
    transform: scaleX(1);
  }

  .nav-download {
    display: inline-flex;
    background: linear-gradient(135deg, var(--champagne-high), var(--champagne));
    color: #111;
    font-weight: 600;
    font-size: 14px;
    margin-left: 30px;
    padding: 8px 20px;
    border-radius: 30px;
    transition: all .28s ease;
    box-shadow: 0 4px 12px rgba(198, 168, 123, 0.3);
    line-height: 1.5;
    align-items: center;
    gap: 8px;
  }

  .nav-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(198, 168, 123, 0.45);
    color: #0c0c0c;
  }

  .burger-btn {
    display: none;
    font-size: 22px;
    color: var(--dark);
    padding: 8px;
    border-radius: 8px;
  }

  .mobile-menu {
    display: none;
    background: #fbfaf6;
    border-top: 1px solid var(--divider);
    padding: 20px 20px 28px;
    box-shadow: 0 30px 30px rgba(0, 0, 0, 0.08);
  }

  .navbar-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  .navbar-list li a {
    display: block;
    padding: 13px 16px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-on-light);
    border-radius: 10px;
    transition: background .2s;
  }

  .navbar-list li.active a,
  .navbar-list li a:hover {
    background: rgba(198, 168, 123, 0.14);
    color: #8a6b3d;
  }

  .navbar-list .mobile-dl {
    background: var(--dark);
    color: #f4e9d7;
    margin-top: 12px;
    text-align: center;
    border-radius: 10px;
    font-weight: 600;
  }

  @media (max-width: 992px) {
    .site-header {
      height: 64px;
    }
    .nav-wrap {
      height: 64px;
      justify-content: space-between;
    }
    .nav-links {
      display: none;
    }
    .burger-btn {
      display: inline-flex;
      margin-left: 4px;
      order: -1;
    }
    .logo-center {
      flex: 1;
      justify-content: flex-start;
      margin-left: 0;
    }
    .logo-brand {
      font-size: 19px;
    }
    .logo-center {
      justify-content: center;
    }
    .nav-right {
      justify-content: flex-end;
    }
    .nav-download {
      margin-left: 12px;
      font-size: 13px;
      padding: 7px 15px;
    }
    .mobile-menu.open {
      display: block;
      position: fixed;
      top: 64px;
      left: 0;
      right: 0;
      max-height: calc(100vh - 64px);
      overflow-y: auto;
      z-index: 999;
    }
  }

  @media (max-width: 576px) {
    .logo-center .logo-brand {
      font-size: 17px;
    }
    .nav-download {
      display: none;
    }
    .logo-center {
      justify-content: flex-end;
    }
  }

  /* hero banner */
  .category-hero {
    position: relative;
    background: linear-gradient(135deg, #0a0b10 0%, #12141c 55%, #1e1a14 100%);
    padding: 72px 0 66px;
    text-align: center;
    overflow: hidden;
  }

  .category-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url("/assets/images/backpic/back-2.png");
    background-size: cover;
    background-position: center 25%;
    opacity: 0.3;
    mix-blend-mode: luminosity;
  }

  .category-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(14, 15, 20, 0.5) 0%, rgba(14, 15, 20, 0.82) 100%);
  }

  .hero-inner {
    position: relative;
    z-index: 2;
    max-width: 860px;
    margin: 0 auto;
  }

  .hero-eyebrow {
    display: inline-block;
    font-size: 13px;
    letter-spacing: 5px;
    color: #d4b68a;
    border: 1px solid rgba(198, 168, 123, 0.4);
    border-radius: 40px;
    padding: 5px 18px;
    margin-bottom: 20px;
    background: rgba(198, 168, 123, 0.06);
  }

  .category-hero h1 {
    color: #f0ece4;
    font-size: 42px;
    line-height: 1.25;
    letter-spacing: 0.5px;
    font-weight: 800;
    margin-bottom: 16px;
  }

  .category-hero h1 i {
    color: var(--champagne-high);
    font-style: normal;
  }

  .hero-text {
    color: #b8ae9e;
    font-size: 17px;
    line-height: 1.8;
    max-width: 680px;
    margin: 0 auto 36px;
  }

  .hero-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 0 28px;
    height: 48px;
    border-radius: var(--radius-btn);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.6px;
    transition: all .28s ease;
    line-height: 1;
  }

  .btn-gold {
    background: linear-gradient(135deg, #e2c592, #c6a87b);
    color: #0e0b08;
    box-shadow: 0 10px 28px rgba(198, 168, 123, 0.28);
  }

  .btn-gold:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 36px rgba(198, 168, 123, 0.36);
    color: #0e0b08;
  }

  .btn-ghost {
    background: transparent;
    color: #e9e2d5;
    border: 1px solid rgba(198, 168, 123, 0.55);
    font-weight: 500;
  }

  .btn-ghost:hover {
    border-color: var(--champagne-high);
    background: rgba(198, 168, 123, 0.1);
    color: #f5edd9;
    transform: translateY(-3px);
  }

  .hero-meta {
    margin-top: 30px;
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    font-size: 13px;
    color: #8c867d;
  }
  .hero-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 0;
  }
  .hero-meta .dot-sep {
    width: 4px;
    height: 4px;
    background: var(--champagne);
    border-radius: 50%;
    opacity: 0.4;
  }

  @media (max-width: 768px) {
    .category-hero {
      padding: 52px 0 46px;
    }
    .category-hero h1 {
      font-size: 28px;
    }
    .hero-text {
      font-size: 15px;
      padding: 0 6px;
    }
    .hero-eyebrow {
      font-size: 12px;
    }
  }

  /* section */
  .section {
    padding: 86px 0;
  }

  .section-header {
    max-width: 800px;
    margin-bottom: 52px;
  }

  .section-header.center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
  }

  .section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: #a8895c;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 12px;
  }

  .section-tag::before {
    content: '';
    width: 24px;
    height: 1px;
    background: var(--champagne);
    display: inline-block;
  }

  .section-header.center .section-tag::after {
    display: none;
  }

  .section-header h2 {
    font-size: 32px;
    line-height: 1.3;
    color: var(--dark);
    font-weight: 800;
    letter-spacing: 0px;
  }

  .section-header p {
    font-size: 16px;
    color: var(--secondary-on-light);
    margin-top: 14px;
  }

  @media (max-width: 768px) {
    .section {
      padding: 56px 0;
    }
    .section-header h2 {
      font-size: 25px;
    }
    .section-header {
      margin-bottom: 36px;
    }
  }

  /* quick-help */
  .help-search-area {
    background: var(--dark);
    padding: 72px 0;
    position: relative;
  }

  .help-search-area::before {
    content: "";
    background-image: url("/assets/images/backpic/back-3.webp");
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.2;
  }

  .help-search-wrap {
    position: relative;
    z-index: 2;
    max-width: 740px;
    margin: 0 auto;
    text-align: center;
  }

  .help-search-wrap h2 {
    color: #efe6d6;
    font-size: 30px;
    margin-bottom: 12px;
    font-weight: 700;
  }

  .help-search-wrap p {
    color: #a79c8c;
    font-size: 16px;
    margin-bottom: 32px;
  }

  .search-form {
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(198, 168, 123, 0.35);
    padding: 6px;
    border-radius: 46px;
    max-width: 560px;
    margin: 0 auto 24px;
    backdrop-filter: blur(7px);
  }

  .search-form i {
    color: var(--champagne);
    padding: 0 8px 0 18px;
    font-size: 15px;
  }

  .search-form input {
    flex: 1;
    background: transparent;
    color: #eee;
    padding: 10px 8px;
    font-size: 15px;
  }

  .search-form input::placeholder {
    color: #93897c;
  }

  .search-form input:focus {
    outline: none;
  }

  .search-form button {
    background: var(--champagne);
    color: #131313;
    border: none;
    height: 40px;
    padding: 0 25px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.4px;
    transition: all .2s;
  }

  .search-form button:hover {
    background: var(--champagne-high);
    transform: scale(1.03);
  }

  .topic-pills {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
  }

  .pill-link {
    padding: 8px 18px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 30px;
    font-size: 14px;
    color: #ddd6cb;
    transition: all .22s;
  }

  .pill-link:hover {
    border-color: var(--champagne);
    background: rgba(198, 168, 123, 0.12);
    color: #f5dda9;
  }

  @media (max-width: 576px) {
    .take-input{
      display: none;
    }
    .search-form button {
      font-size: 13px;
      padding: 0 18px;
    }
  }

  /* faq main grid */
  .faq-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 44px;
    align-items: start;
  }

  .faq-side {
    position: sticky;
    top: 100px;
    background: var(--white);
    border-radius: 16px;
    border: 1px solid var(--divider);
    box-shadow: var(--shadow-light);
    padding: 26px 22px;
  }

  .faq-side h3 {
    font-size: 17px;
    color: var(--dark);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--divider);
  }

  .cat-anchor-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }

  .cat-anchor-list li a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-radius: 10px;
    font-size: 15px;
    color: #555;
    transition: all .2s;
    font-weight: 400;
  }

  .cat-anchor-list li a i {
    font-size: 12px;
    color: #bbae9c;
    transition: all .2s;
  }

  .cat-anchor-list li a.active,
  .cat-anchor-list li a:hover {
    background: #f8f4ec;
    color: #a07c49;
    font-weight: 500;
  }

  .cat-anchor-list li a.active i {
    color: var(--champagne);
  }

  .faq-main {
    display: flex;
    flex-direction: column;
    gap: 46px;
  }

  .faq-group-block .faq-group-title {
    font-size: 22px;
    font-weight: 700;
    color: #1e2026;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .faq-group-block .faq-group-title .grp-ico {
    width: 34px;
    height: 34px;
    background: #f3ede3;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #a4834f;
    font-size: 15px;
  }

  .faq-group-sub {
    font-size: 14.5px;
    color: var(--secondary-on-light);
    margin-bottom: 22px;
  }

  .custom-accordion {
    border: 1px solid var(--divider);
    border-radius: 14px;
    margin-bottom: 10px;
    background: var(--white);
    transition: all .25s ease;
    overflow: hidden;
  }

  .accordion-item {
    width: 100%;
  }

  .accordion-header {
    width: 100%;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    padding: 20px 22px;
    background: transparent;
    text-align: left;
    font-size: 16px;
    font-weight: 600;
    color: #1f2025;
    line-height: 1.5;
    border-bottom: 1px solid transparent;
    transition: all .2s;
  }

  .accordion-header:hover {
    color: #9d7a48;
  }

  .accordion-header .icon-state {
    flex: 0 0 auto;
    width: 26px;
    height: 26px;
    border: 1px solid var(--champagne);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    color: #a8895c;
    margin-top: 1px;
    transition: all .3s ease;
  }

  .accordion-item.open .accordion-header {
    color: #8f6d3c;
    border-bottom-color: var(--divider);
  }

  .accordion-item.open .accordion-header .icon-state {
    background: var(--champagne);
    color: #101010;
    transform: rotate(135deg);
  }

  .accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.34s ease;
    background: #fbfaf7;
  }

  .accordion-inner {
    padding: 6px 24px 24px 24px;
    color: #4c4a46;
    font-size: 15px;
    line-height: 1.9;
    border-bottom: 1px solid var(--divider);
  }

  .accordion-inner p {
    margin-bottom: 10px;
  }

  .accordion-inner ul {
    list-style: none;
    padding-left: 0;
    margin: 6px 0 4px;
  }

  .accordion-inner ul li {
    padding-left: 20px;
    position: relative;
    margin-bottom: 6px;
  }

  .accordion-inner ul li::before {
    content: '';
    width: 5px;
    height: 5px;
    background: var(--champagne);
    border-radius: 50%;
    position: absolute;
    left: 3px;
    top: 12px;
  }

  .view-full-link {
    font-size: 13.5px;
    color: #a3854e;
    margin-top: 8px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-weight: 500;
    transition: all .2s;
  }

  .view-full-link:hover {
    color: #7d4e28;
    gap: 8px;
  }

  @media (max-width: 992px) {
    .faq-layout {
      grid-template-columns: 1fr;
      gap: 24px;
    }
    .faq-side {
      position: static;
      top: inherit;
    }
    .cat-anchor-list {
      flex-direction: row;
      flex-wrap: wrap;
      gap: 8px;
    }
    .cat-anchor-list li a {
      padding: 7px 14px;
      border-radius: 30px;
      background: #f8f5ef;
      font-size: 14px;
    }
    .cat-anchor-list li a i {
      display: none;
    }
    .faq-side h3 {
      border-bottom: none;
      margin-bottom: 8px;
      padding-bottom: 6px;
      font-size: 16px;
    }
  }

  @media (max-width: 576px) {
    .accordion-header {
      font-size: 15px;
      padding: 16px 14px 16px 16px;
    }
    .accordion-inner {
      padding: 4px 18px 18px 18px;
      font-size: 14.5px;
    }
  }

  /* download card block */
  .download-panel {
    background: var(--dark);
    padding: 70px 0;
  }

  .dl-panel-inner {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    background: #181a20;
    border: 1px solid rgba(198, 168, 123, 0.25);
    border-radius: 22px;
    overflow: hidden;
    color: #e9e3d8;
    box-shadow: var(--shadow-dark);
  }

  .dl-left {
    padding: 48px 46px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .dl-left h3 {
    font-size: 27px;
    color: #f5eedf;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
  }

  .dl-left p {
    color: #b7ad9e;
    margin-top: 12px;
    line-height: 1.9;
    font-size: 15.5px;
    max-width: 440px;
  }

  .dl-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 26px;
  }

  .dl-links .btn {
    height: 44px;
    font-size: 14px;
    border-radius: 40px;
  }

  .btn-sm-dark {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(198, 168, 123, 0.36);
    color: #efe3cb;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 44px;
    padding: 0 22px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 14px;
    transition: all .25s;
  }

  .btn-sm-dark:hover {
    background: rgba(198, 168, 123, 0.15);
    color: var(--champagne-high);
    border-color: var(--champagne);
    transform: translateY(-2px);
  }

  .dl-right {
    background: linear-gradient(145deg, #27282f 0%, #1c1d22 100%);
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
  }

  .dl-card-visual {
    background: #202229;
    border-radius: 20px;
    padding: 28px 28px 24px;
    max-width: 280px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    text-align: center;
    box-shadow: 0 26px 40px rgba(0, 0, 0, 0.3);
  }

  .dl-visual-icon {
    width: 58px;
    height: 58px;
    background: linear-gradient(135deg, #dbbd8c, #ad8b5e);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    font-size: 24px;
    color: #101010;
  }

  .dl-card-visual .app-name {
    font-size: 17px;
    font-weight: 700;
    color: #f4ead6;
    margin-bottom: 2px;
  }

  .dl-card-visual .sub-meta {
    font-size: 12.5px;
    color: #8f8475;
    margin-bottom: 18px;
  }

  .dl-card-visual .qr-block {
    background: #33343c;
    border-radius: 12px;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    color: #b7a888;
    font-size: 13px;
  }

  .dl-note {
    font-size: 12px;
    color: #6e675e;
    line-height: 1.6;
  }

  @media (max-width: 900px) {
    .dl-panel-inner {
      grid-template-columns: 1fr;
    }
    .dl-left {
      padding: 40px 26px;
    }
    .dl-right {
      min-height: auto;
      padding: 30px 20px;
    }
  }

  @media (max-width: 480px) {
    .dl-left h3 {
      font-size: 22px;
    }
    .dl-links {
      flex-direction: column;
      align-items: stretch;
    }
    .dl-links .btn,
    .dl-links .btn-sm-dark {
      justify-content: center;
      width: 100%;
    }
  }

  /* feedback / form section */
  .feedback-section {
    background: var(--creamy-bg);
    padding: 80px 0;
  }

  .feedback-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
  }

  .fb-text h2 {
    font-size: 31px;
    color: #1e2026;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 16px;
  }

  .fb-text > p {
    font-size: 16px;
    line-height: 1.9;
    color: #66636b;
    max-width: 450px;
  }

  .fb-contact-items {
    margin-top: 28px;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .fb-contact-items div {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 15px;
    color: #443f37;
  }

  .fb-contact-items div i {
    width: 32px;
    height: 32px;
    background: #f1e6d3;
    border-radius: 10px;
    color: #a67c3f;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
  }

  .fb-form-card {
    background: var(--white);
    padding: 34px 32px;
    border-radius: 16px;
    border: 1px solid var(--divider);
    box-shadow: var(--shadow-light);
  }

  .fb-form-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
  }

  .fb-form-card .sub-label {
    font-size: 13px;
    color: var(--mid-grey);
    margin-bottom: 24px;
  }

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

  .form-group label {
    font-size: 14px;
    font-weight: 500;
    color: #34312b;
    display: block;
    margin-bottom: 7px;
  }

  .form-group label span {
    color: #b35644;
  }

  .form-group input,
  .form-group textarea {
    width: 100%;
    border: 1px solid #dcd6cb;
    background: #faf8f4;
    border-radius: 10px;
    padding: 11px 15px;
    font-size: 15px;
    color: #202124;
    transition: all .25s ease;
  }

  .form-group input {
    height: 46px;
  }

  .form-group textarea {
    height: 132px;
    resize: vertical;
  }

  .form-group input:focus,
  .form-group textarea:focus {
    border-color: var(--champagne);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(198, 168, 123, 0.2);
  }

  .form-submit {
    width: 100%;
    height: 48px;
    background: linear-gradient(135deg, #e0c18e, #bf9e6e);
    color: #16100a;
    border-radius: 40px;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.4px;
    transition: all .25s;
    box-shadow: 0 8px 18px rgba(198, 168, 123, 0.3);
  }

  .form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(198, 168, 123, 0.4);
  }

  .form-note {
    font-size: 12px;
    color: #aaa29b;
    text-align: center;
    margin-top: 14px;
  }

  @media (max-width: 900px) {
    .feedback-grid {
      grid-template-columns: 1fr;
      gap: 36px;
    }
    .fb-text > p {
      max-width: none;
    }
  }

  @media (max-width: 480px) {
    .fb-form-card {
      padding: 26px 20px;
    }
  }

  /* cta strip */
  .pre-footer-cta {
    background: #f4efe5;
    border-top: 1px solid #e5ddcd;
    border-bottom: 1px solid #e5ddcd;
    padding: 42px 0;
  }

  .cta-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
  }

  .cta-inner p {
    font-size: 18px;
    font-weight: 600;
    color: #25262a;
    margin-right: 12px;
    letter-spacing: -0.1px;
  }

  .cta-link-group {
    display: flex;
    gap: 8px;
  }

  .cta-link-group a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 0 22px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    transition: all .25s ease;
  }

  .cta-link-group a:first-child {
    background: var(--dark);
    color: #ece2d0;
  }
  .cta-link-group a:first-child:hover {
    background: #2b2d36;
    color: #ecd7ab;
    transform: translateY(-2px);
  }

  .cta-link-group a:last-child {
    border: 1.5px solid var(--dark);
    color: var(--dark);
    font-weight: 500;
  }
  .cta-link-group a:last-child:hover {
    transform: translateY(-2px);
    background: rgba(0, 0, 0, 0.03);
  }

  @media (max-width: 680px) {
    .cta-inner {
      flex-direction: column;
      align-items: flex-start;
    }
    .cta-link-group {
      width: 100%;
    }
    .cta-link-group a {
      flex: 1;
    }
  }

  /* footer */
  .site-footer {
    background: #0a0b0f;
    color: #aa9e8c;
    font-size: 15px;
    position: relative;
  }

  .footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 56px;
    padding: 62px 24px 40px;
    max-width: 1280px;
  }

  .footer-brand-title {
    font-size: 25px;
    font-weight: 700;
    color: #e4d7bd;
    letter-spacing: 0.4px;
    margin-bottom: 6px;
  }
  .footer-brand-title span {
    color: var(--champagne-high);
  }

  .footer-main p {
    color: #8e8272;
    margin-top: 8px;
  }

  .footer-title {
    color: #d6bf9b;
    font-size: 16px;
    margin-bottom: 16px;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-top: 8px;
  }

  .footer-links li {
    margin-bottom: 8px;
  }

  .footer-links a {
    color: #95897b;
    transition: all .2s;
    font-size: 14.5px;
  }

  .footer-links a:hover {
    color: var(--champagne-high);
    padding-left: 5px;
  }

  .footer-bottom {
    padding: 22px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1280px;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    font-size: 13px;
    color: #686155;
    flex-wrap: wrap;
    gap: 12px;
  }

  .footer-bottom a {
    color: #8a805f;
    font-size: 13px;
  }
  .footer-bottom a:hover {
    color: var(--champagne);
  }

  @media (max-width: 900px) {
    .footer-main {
      grid-template-columns: 1fr 1fr;
      padding-left: 16px;
      padding-right: 16px;
    }
    .footer-main > div:first-child {
      grid-column: 1 / -1;
    }
  }

  @media (max-width: 600px) {
    .footer-main {
      grid-template-columns: 1fr;
      text-align: left;
    }
    .footer-main > div:first-child {
      grid-column: auto;
    }
    .footer-bottom {
      flex-direction: column;
      justify-content: center;
      text-align: center;
    }
  }

  /* floating mobile download bar */
  .mobile-download-bar {
    display: none;
  }

  @media (max-width: 768px) {
    .mobile-download-bar {
      display: none;
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 900;
      background: rgba(12, 13, 18, 0.96);
      backdrop-filter: blur(12px);
      padding: 10px 16px;
      border-top: 1px solid rgba(198, 168, 123, 0.4);
    }
    .mobile-download-bar.show {
      display: flex;
      gap: 10px;
      transition: all .3s ease;
    }
    .mob-dl-info {
      display: flex;
      flex-direction: column;
      justify-content: center;
      flex: 1;
    }
    .mob-dl-info strong {
      font-size: 14px;
      color: #e9dbbd;
    }
    .mob-dl-info span {
      font-size: 12px;
      color: #928988;
    }
    .mob-dl-btn {
      background: var(--champagne);
      color: #0d0d0d;
      font-weight: 700;
      border-radius: 30px;
      height: 38px;
      padding: 0 18px;
      line-height: 38px;
      font-size: 14px;
    }
    body.has-dl-bar {
      padding-bottom: 60px;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    * {
      animation-duration: 0.01ms !important;
      transition-duration: 0.01ms !important;
    }
  }