/* roulang page: index */
:root {
    --primary: #C58A3C;
    --primary-hover: #B47B2D;
    --primary-light: #E8C477;
    --dark: #15251E;
    --dark-nested: #1B352B;
    --bg-warm: #F7F4EE;
    --surface: #FFFFFF;
    --text: #27322C;
    --text-secondary: #6B726C;
    --text-placeholder: #9AA19A;
    --border: #E7E1D6;
    --warning: #E9792F;
    --radius-card: 16px;
    --radius-pill: 999px;
    --radius-btn: 12px;
    --shadow-card: 0 2px 8px rgba(21,37,30,0.04);
    --shadow-hover: 0 8px 24px rgba(21,37,30,0.10);
    --shadow-float: 0 16px 40px rgba(21,37,30,0.16);
    --transition: 0.2s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;background:var(--bg-warm);color:var(--text);line-height:1.8;font-size:1rem;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color var(--transition)}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 clamp(1rem,4vw,2rem)}
.section{padding:clamp(4rem,10vw,6.5rem) 0}
.section-head{text-align:center;margin-bottom:3rem}
.section-head h2{font-size:clamp(1.4rem,2.8vw,2rem);font-weight:700;color:var(--text);line-height:1.3}
.section-head p{color:var(--text-secondary);margin-top:.75rem;max-width:700px;margin-left:auto;margin-right:auto}
.section-tag{display:inline-block;background:rgba(197,138,60,.12);color:var(--primary);font-size:.813rem;font-weight:600;padding:.25rem 1rem;border-radius:999px;margin-bottom:1rem}

/*========== 导航 ==========*/
.site-nav{position:fixed;top:16px;left:50%;transform:translateX(-50%);z-index:1000;background:rgba(21,37,30,.85);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-radius:999px;padding:.5rem 1.25rem;box-shadow:0 8px 32px rgba(21,37,30,.25);width:min(1200px,calc(100% - 2rem));border:1px solid rgba(255,255,255,.06)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.nav-logo{font-weight:700;font-size:1.125rem;color:#fff;white-space:nowrap;position:relative}
.nav-logo::after{content:"";position:absolute;bottom:-2px;left:0;width:100%;height:2px;background:var(--primary);border-radius:2px}
.nav-menu{display:flex;align-items:center;gap:.25rem;flex-wrap:nowrap}
.nav-menu a{color:rgba(255,255,255,.85);font-size:.875rem;font-weight:500;padding:.45rem .85rem;border-radius:999px;transition:all var(--transition);white-space:nowrap}
.nav-menu a:hover{color:var(--primary-light);background:rgba(197,138,60,.12)}
.nav-menu a.active{color:var(--primary-light);background:rgba(197,138,60,.2)}
.nav-cta{background:var(--primary);color:var(--dark);font-weight:600;font-size:.813rem;padding:.5rem 1.25rem;border-radius:999px;transition:all var(--transition);white-space:nowrap}
.nav-cta:hover{background:var(--primary-hover);box-shadow:0 4px 16px rgba(197,138,60,.35)}
.nav-toggle{display:none;color:#fff;font-size:1.25rem;padding:.35rem .5rem;border-radius:8px}
.nav-toggle:hover{background:rgba(255,255,255,.1)}

/*========== 按钮 ==========*/
.btn{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 1.75rem;border-radius:var(--radius-btn);font-size:.875rem;font-weight:600;transition:all var(--transition);white-space:nowrap;gap:.5rem}
.btn-primary{background:var(--primary);color:var(--dark)}
.btn-primary:hover{background:var(--primary-hover);box-shadow:0 6px 16px rgba(197,138,60,.35);transform:translateY(-1px)}
.btn-outline{border:1.5px solid rgba(255,255,255,.7);color:#fff;background:transparent}
.btn-outline:hover{border-color:var(--primary-light);color:var(--primary-light);background:rgba(197,138,60,.08)}
.btn-outline-dark{border:1.5px solid var(--text-secondary);color:var(--text);background:transparent}
.btn-outline-dark:hover{border-color:var(--primary);color:var(--primary)}
.btn-link{color:#fff;font-weight:500;padding:0 .5rem;height:48px;display:inline-flex;align-items:center;gap:.35rem}
.btn-link i{transition:transform var(--transition)}
.btn-link:hover i{transform:translateX(4px)}
.btn-link-dark{color:var(--text);font-weight:500;padding:0 .5rem}
.btn-link-dark i{transition:transform var(--transition)}
.btn-link-dark:hover i{transform:translateX(4px)}

/*========== Hero ==========*/
.hero{position:relative;background:var(--dark);background-image:linear-gradient(rgba(21,37,30,.82),rgba(21,37,30,.88)),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;color:#fff;padding:clamp(7rem,16vh,10rem) 0 clamp(5rem,10vh,7rem)}
.hero-inner{max-width:860px}
.hero-badge{display:inline-flex;align-items:center;gap:.5rem;background:rgba(197,138,60,.15);border:1px solid rgba(197,138,60,.3);color:var(--primary-light);font-size:.813rem;font-weight:500;padding:.35rem 1.25rem;border-radius:999px;margin-bottom:1.5rem}
.hero-badge i{font-size:.75rem}
.hero h1{font-size:clamp(2.2rem,5vw,3.4rem);font-weight:700;line-height:1.2;letter-spacing:-.5px;margin-bottom:1.25rem}
.hero h1 .accent{color:var(--primary-light)}
.hero-subtitle{font-size:clamp(1rem,1.6vw,1.125rem);color:rgba(255,255,255,.85);line-height:1.8;max-width:680px;margin-bottom:2.25rem}
.hero-buttons{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}
.hero-stats{display:flex;gap:2.5rem;margin-top:3.5rem;padding-top:2rem;border-top:1px solid rgba(255,255,255,.12)}
.hero-stat{text-align:left}
.hero-stat .num{font-size:1.5rem;font-weight:700;color:var(--primary-light)}
.hero-stat .label{font-size:.813rem;color:rgba(255,255,255,.6)}

/*========== 核心价值 ==========*/
.features{background:var(--bg-warm)}
.features .grid-x{gap:1.5rem}
.feature-card{background:var(--surface);border-radius:var(--radius-card);padding:2rem 1.75rem;border:1px solid var(--border);box-shadow:var(--shadow-card);transition:all var(--transition);height:100%}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(197,138,60,.25)}
.feature-icon{width:56px;height:56px;background:rgba(197,138,60,.1);border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:1.25rem;color:var(--primary);font-size:1.375rem}
.feature-card h3{font-size:1.125rem;font-weight:600;margin-bottom:.5rem}
.feature-card p{color:var(--text-secondary);font-size:.875rem;line-height:1.7}

/*========== 功能截图轮播 ==========*/
.screenshots{background:var(--dark);color:#fff}
.screenshots .section-head h2{color:#fff}
.screenshots .section-head p{color:rgba(255,255,255,.6)}
.screenshots .orbit{max-width:960px;margin:0 auto}
.screenshots .orbit-figure{background:var(--dark-nested);border-radius:24px;overflow:hidden;border:1px solid rgba(255,255,255,.08)}
.screenshots .orbit-image{width:100%;height:auto;object-fit:cover}
.screenshots .orbit-caption{padding:1rem 1.25rem;color:rgba(255,255,255,.75);font-size:.875rem;text-align:center;background:var(--dark-nested)}
.screenshots .orbit-bullets button{background:rgba(255,255,255,.25);width:10px;height:10px;border-radius:50%}
.screenshots .orbit-bullets button.is-active{background:var(--primary)}
.screenshots .orbit-previous,.screenshots .orbit-next{width:44px;height:44px;border-radius:50%;border:1.5px solid rgba(255,255,255,.3);background:transparent;color:#fff;display:flex;align-items:center;justify-content:center;font-size:1rem;transition:all var(--transition)}
.screenshots .orbit-previous:hover,.screenshots .orbit-next:hover{border-color:var(--primary);color:var(--primary);background:rgba(197,138,60,.1)}

/*========== 系统要求 ==========*/
.requirements{background:var(--dark);color:#fff}
.requirements .section-head h2{color:#fff}
.requirements .section-head p{color:rgba(255,255,255,.6)}
.req-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem;max-width:960px;margin:0 auto}
.req-card{background:var(--dark-nested);border-radius:var(--radius-card);padding:2rem;border:1px solid rgba(255,255,255,.08);transition:all var(--transition)}
.req-card:hover{border-color:rgba(197,138,60,.3)}
.req-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem}
.req-header .platform{font-size:1.25rem;font-weight:600;display:flex;align-items:center;gap:.75rem}
.req-header .platform i{color:var(--primary)}
.req-badge{background:rgba(197,138,60,.15);color:var(--primary-light);font-size:.75rem;font-weight:600;padding:.2rem .75rem;border-radius:999px}
.req-list li{display:flex;align-items:flex-start;gap:.6rem;padding:.55rem 0;color:rgba(255,255,255,.8);font-size:.875rem;border-bottom:1px solid rgba(255,255,255,.05)}
.req-list li:last-child{border-bottom:none}
.req-list li i{color:var(--primary);font-size:.813rem;margin-top:.3rem}

/*========== 评价墙 ==========*/
.reviews{background:var(--bg-warm)}
.rating-overview{display:flex;align-items:center;justify-content:center;gap:2rem;margin-bottom:3rem;flex-wrap:wrap}
.rating-score{text-align:center}
.rating-score .score{font-size:3rem;font-weight:700;color:var(--text);line-height:1}
.rating-score .stars{color:var(--primary-light);font-size:1rem;margin-top:.5rem}
.rating-score .count{color:var(--text-secondary);font-size:.813rem;margin-top:.35rem}
.review-card{background:var(--surface);border-radius:var(--radius-card);padding:1.75rem;border:1px solid var(--border);box-shadow:var(--shadow-card);transition:all var(--transition);height:100%}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.review-avatar{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.125rem;color:#fff;margin-bottom:1rem}
.review-card .stars{color:var(--primary-light);font-size:.813rem;margin-bottom:.75rem}
.review-card p{color:var(--text-secondary);font-size:.875rem;line-height:1.7;margin-bottom:1rem}
.review-card .name{font-size:.813rem;color:var(--text);font-weight:600}

/*========== 最新信息 ==========*/
.news-section{background:var(--surface)}
.news-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:2rem}
.news-header h2{font-size:clamp(1.4rem,2.8vw,2rem);font-weight:700}
.news-more-link{color:var(--primary);font-size:.875rem;font-weight:600;display:inline-flex;align-items:center;gap:.35rem}
.news-more-link:hover{gap:.6rem}
.news-list{max-width:900px;margin:0 auto}
.news-item{display:flex;gap:1.25rem;background:var(--bg-warm);border-radius:var(--radius-card);padding:1.5rem;margin-bottom:1rem;border:1px solid var(--border);transition:all var(--transition)}
.news-item:hover{box-shadow:var(--shadow-hover);border-color:rgba(197,138,60,.25);transform:translateY(-2px)}
.news-date{flex-shrink:0;width:56px;height:64px;background:rgba(197,138,60,.08);border:1px solid rgba(197,138,60,.2);border-radius:10px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.news-day{font-size:1.375rem;font-weight:700;color:var(--primary);line-height:1}
.news-month{font-size:.688rem;color:var(--text-secondary);margin-top:.25rem}
.news-content{flex:1;min-width:0}
.news-meta{display:flex;align-items:center;gap:.5rem;margin-bottom:.375rem;flex-wrap:wrap}
.news-tag{background:rgba(197,138,60,.1);color:var(--primary);font-size:.75rem;font-weight:600;padding:.15rem .65rem;border-radius:999px}
.news-content h3{font-size:1.0625rem;font-weight:600;margin-bottom:.35rem;line-height:1.4}
.news-content h3:hover{color:var(--primary)}
.news-content p{color:var(--text-secondary);font-size:.875rem;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-more-inline{display:inline-flex;align-items:center;gap:.25rem;color:var(--primary);font-size:.813rem;font-weight:600;margin-top:.5rem}
.news-more-inline i{transition:transform var(--transition)}
.news-more-inline:hover i{transform:translateX(4px)}
.news-empty{text-align:center;padding:3rem 1rem;color:var(--text-placeholder);background:var(--bg-warm);border-radius:var(--radius-card);border:1px dashed var(--border)}

/*========== FAQ ==========*/
.faq-section{background:var(--bg-warm)}
.faq-accordion{max-width:860px;margin:0 auto}
.faq-accordion .accordion-item{background:var(--surface);border-radius:var(--radius-card);border:1px solid var(--border);margin-bottom:1rem;overflow:hidden;box-shadow:var(--shadow-card)}
.faq-accordion .accordion-title{display:flex;align-items:center;gap:1rem;min-height:48px;padding:1rem 1.25rem;font-weight:600;font-size:.938rem;color:var(--text);position:relative;border-bottom:1px solid transparent;transition:all var(--transition)}
.faq-accordion .accordion-item.is-active .accordion-title{border-bottom-color:var(--border);color:var(--primary)}
.faq-accordion .accordion-title .faq-icon{width:28px;height:28px;border-radius:50%;background:rgba(197,138,60,.1);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:.75rem;flex-shrink:0}
.faq-accordion .accordion-title::after{content:"\f107";font-family:"Font Awesome 6 Free";font-weight:900;margin-left:auto;transition:transform var(--transition);color:var(--text-secondary);font-size:.875rem}
.faq-accordion .accordion-item.is-active .accordion-title::after{transform:rotate(180deg);color:var(--primary)}
.faq-accordion .accordion-content{padding:0 1.25rem 1.25rem 3.25rem;background:var(--bg-warm);color:var(--text-secondary);font-size:.875rem;line-height:1.8}

/*========== 下载CTA ==========*/
.download-cta{background:var(--dark);background-image:linear-gradient(rgba(21,37,30,.9),rgba(21,37,30,.9)),url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;color:#fff;padding:clamp(4rem,8vw,5.5rem) 0;text-align:center}
.download-cta h2{font-size:clamp(1.6rem,3vw,2.25rem);font-weight:700;margin-bottom:.75rem}
.download-cta .sub{color:rgba(255,255,255,.7);font-size:1rem;margin-bottom:2rem}
.cta-buttons{display:flex;justify-content:center;gap:.75rem;flex-wrap:wrap;margin-bottom:1.5rem}
.cta-meta{color:rgba(255,255,255,.5);font-size:.813rem}
.cta-meta i{color:var(--primary);margin-right:.25rem}

/*========== 页脚 ==========*/
.site-footer{background:var(--dark);color:rgba(255,255,255,.7);padding:clamp(3.5rem,6vw,5rem) 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2.5rem;padding-bottom:3rem}
.footer-brand .footer-logo{font-size:1.25rem;font-weight:700;color:#fff;margin-bottom:.75rem;display:inline-block}
.footer-brand .footer-logo span{color:var(--primary)}
.footer-brand p{font-size:.813rem;line-height:1.7;margin-bottom:1.25rem;max-width:280px}
.footer-brand .btn{height:40px;font-size:.813rem;padding:0 1.25rem}
.footer-col h4{color:#fff;font-size:.938rem;font-weight:600;margin-bottom:1.25rem}
.footer-col ul li{margin-bottom:.5rem}
.footer-col ul a{color:rgba(255,255,255,.6);font-size:.813rem;transition:color var(--transition)}
.footer-col ul a:hover{color:var(--primary-light)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:1.25rem 0;display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.75rem;color:rgba(255,255,255,.4)}
.footer-bottom a{color:rgba(255,255,255,.4)}
.footer-bottom a:hover{color:var(--primary-light)}

/*========== 响应式 ==========*/
@media (max-width:1024px) {
    .nav-menu a{font-size:.813rem;padding:.4rem .65rem}
    .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:2rem}
}
@media (max-width:768px) {
    .site-nav{top:12px}
    .nav-toggle{display:block}
    .nav-menu{display:none;position:absolute;top:calc(100% + 8px);left:0;right:0;background:rgba(21,37,30,.95);border-radius:20px;padding:1rem;flex-direction:column;align-items:stretch;gap:.25rem;box-shadow:0 20px 40px rgba(0,0,0,.3)}
    .nav-menu.open{display:flex}
    .nav-menu a{padding:.7rem 1rem;text-align:center}
    .nav-cta{display:none}
    .hero{padding-top:8rem}
    .hero-buttons .btn{width:100%}
    .hero-stats{gap:1.5rem;flex-wrap:wrap}
    .req-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr 1fr}
    .footer-brand{grid-column:1/-1}
    .news-item{flex-direction:column;gap:1rem}
    .news-date{flex-direction:row;width:100%;height:44px;align-items:center;gap:.5rem}
}
@media (max-width:520px) {
    .site-nav{width:calc(100% - 1.5rem)}
    .nav-logo{font-size:1rem}
    .footer-grid{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column;text-align:center}
    .hero-stats{flex-direction:column;gap:1rem}
    .feature-card{padding:1.5rem}
    .req-card{padding:1.5rem}
    .review-card{padding:1.5rem}
}

/* roulang page: category1 */
:root {
  --primary: #C58A3C;
  --primary-dark: #B47B2D;
  --gold-light: #E8C477;
  --dark-bg: #15251E;
  --dark-nested: #1B352B;
  --light-bg: #F7F4EE;
  --card-bg: #FFFFFF;
  --text-main: #27322C;
  --text-sub: #6B726C;
  --text-weak: #9AA19A;
  --border: #E7E1D6;
  --warning: #E9792F;
  --radius-card: 16px;
  --radius-btn: 999px;
  --radius-banner: 24px;
  --shadow-card: 0 2px 8px rgba(21,37,30,0.04);
  --shadow-hover: 0 8px 24px rgba(21,37,30,0.10);
  --shadow-float: 0 16px 40px rgba(21,37,30,0.16);
  --transition: 0.2s ease;
  --font-main: "Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--light-bg);
  color: var(--text-main);
  line-height: 1.8;
  font-size: 1rem;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 clamp(1rem, 4vw, 2rem); }
a { text-decoration: none; color: var(--primary); transition: color 0.2s ease; }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 48px;
  padding: 0 1.75rem;
  border-radius: 12px;
  font-size: 0.938rem;
  font-weight: 600;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}
.btn-primary {
  background: var(--primary);
  color: var(--dark-bg);
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  box-shadow: 0 6px 16px rgba(197,138,60,0.35);
}
.btn-outline {
  background: transparent;
  color: var(--text-main);
  border-color: #8b9189;
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(197,138,60,0.06);
}
.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.8);
}
.btn-outline-light:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.btn-sm { height: 40px; padding: 0 1.25rem; font-size: 0.813rem; }

/* ===== 悬浮胶囊导航 ===== */
.site-nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 999;
  background: rgba(21,37,30,0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: 999px;
  padding: 0.5rem 1.25rem;
  box-shadow: 0 10px 30px rgba(21,37,30,0.18);
  max-width: calc(100% - 24px);
  width: auto;
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}
.nav-logo {
  color: #fff;
  font-size: 1.125rem;
  font-weight: 700;
  white-space: nowrap;
  letter-spacing: 0.02em;
  border-bottom: 2px solid var(--primary);
  padding-bottom: 2px;
  transition: color 0.2s ease;
}
.nav-logo:hover { color: var(--gold-light); }
.nav-menu { display: flex; align-items: center; gap: 0.35rem; }
.nav-menu a {
  color: rgba(255,255,255,0.82);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.nav-menu a:hover { color: #fff; background: rgba(255,255,255,0.08); }
.nav-menu a.active {
  color: var(--gold-light);
  background: rgba(197,138,60,0.22);
  font-weight: 600;
}
.nav-cta {
  background: var(--primary);
  color: var(--dark-bg);
  font-size: 0.813rem;
  font-weight: 700;
  padding: 0.5rem 1.25rem;
  border-radius: 999px;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.nav-cta:hover {
  background: var(--primary-dark);
  color: #fff;
  box-shadow: 0 4px 12px rgba(197,138,60,0.3);
}
.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
}

/* ===== Hero ===== */
.hero-category {
  position: relative;
  padding: clamp(6rem, 12vw, 8rem) 0 clamp(3.5rem, 8vw, 5rem);
  background: var(--dark-bg);
  background-image: linear-gradient(rgba(21,37,30,0.82), rgba(21,37,30,0.82)), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  color: #fff;
  text-align: center;
}
.hero-category .container { position: relative; z-index: 2; }
.hero-category h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}
.hero-category h1 .highlight { color: var(--gold-light); }
.hero-category .hero-desc {
  max-width: 720px;
  margin: 0 auto 2rem;
  color: rgba(255,255,255,0.82);
  font-size: 1.0625rem;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.hero-badge {
  display: inline-block;
  background: rgba(197,138,60,0.2);
  color: var(--gold-light);
  border: 1px solid rgba(197,138,60,0.3);
  padding: 0.25rem 1rem;
  border-radius: 999px;
  font-size: 0.813rem;
  margin-bottom: 1.25rem;
  font-weight: 500;
}

/* ===== sections ===== */
.section-wrap { padding: clamp(4rem, 10vw, 6.5rem) 0; }
.section-tone-light { background: var(--light-bg); }
.section-tone-white { background: #fff; }
.section-tone-dark {
  background: var(--dark-bg);
  color: #fff;
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto clamp(2rem, 5vw, 3.2rem);
}
.section-head h2 {
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.75rem;
}
.section-head .section-sub {
  color: var(--text-sub);
  font-size: 1rem;
}
.section-tone-dark .section-head h2 { color: #fff; }
.section-tone-dark .section-head .section-sub { color: rgba(255,255,255,0.65); }
.section-label {
  display: inline-block;
  background: rgba(197,138,60,0.12);
  color: var(--primary-dark);
  font-size: 0.813rem;
  font-weight: 600;
  padding: 0.3rem 1rem;
  border-radius: 999px;
  margin-bottom: 0.75rem;
  letter-spacing: 0.04em;
}
.section-tone-dark .section-label {
  background: rgba(197,138,60,0.2);
  color: var(--gold-light);
}

/* ===== split feature ===== */
.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
}
.split-media {
  border-radius: var(--radius-banner);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  position: relative;
}
.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.split-media:hover img { transform: scale(1.02); }
.split-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 1rem;
  line-height: 1.4;
}
.split-content p {
  color: var(--text-sub);
  margin-bottom: 1rem;
}
.feature-list { margin-top: 1.25rem; }
.feature-list li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.6rem 0;
  color: var(--text-main);
  border-bottom: 1px dashed var(--border);
}
.feature-list li:last-child { border-bottom: none; }
.feature-list i {
  color: var(--primary);
  margin-top: 0.35rem;
  font-size: 0.9rem;
}
.feature-list .strong { font-weight: 600; }

/* ===== 双栏手风琴 ===== */
.double-accordion {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.accordion-col {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
}
.section-tone-dark .accordion-col {
  background: var(--dark-nested);
  border-color: rgba(255,255,255,0.08);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.accordion-item {
  margin-bottom: 0.5rem;
  border-radius: 12px;
  overflow: hidden;
  background: rgba(247,244,238,0.5);
  transition: box-shadow 0.2s ease;
}
.section-tone-dark .accordion-item { background: rgba(255,255,255,0.04); }
.accordion-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.125rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--text-main);
  font-size: 0.938rem;
  transition: all 0.2s ease;
}
.section-tone-dark .accordion-head { color: #fff; }
.accordion-head .num {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--dark-bg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.813rem;
  font-weight: 700;
  flex-shrink: 0;
}
.accordion-head .dot {
  color: var(--primary);
  font-size: 0.75rem;
  margin-left: auto;
  transition: transform 0.2s ease;
}
.accordion-body {
  padding: 0 1.125rem 1.25rem;
  color: var(--text-sub);
  font-size: 0.875rem;
  line-height: 1.7;
}
.section-tone-dark .accordion-body { color: rgba(255,255,255,0.7); }

/* ===== dark band cards ===== */
.dark-band-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.device-card {
  background: var(--dark-nested);
  border-radius: var(--radius-card);
  padding: 2rem;
  border: 1px solid rgba(255,255,255,0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.device-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.device-card .icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: rgba(197,138,60,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-light);
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}
.device-card h3 {
  color: #fff;
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.device-card .tip-list li {
  display: flex;
  gap: 0.5rem;
  color: rgba(255,255,255,0.75);
  font-size: 0.875rem;
  padding: 0.4rem 0;
}
.device-card .tip-list i {
  color: var(--gold-light);
  font-size: 0.75rem;
  margin-top: 0.45rem;
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.faq-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 0.75rem;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s ease;
}
.faq-card:hover { box-shadow: var(--shadow-hover); }
.faq-q {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--text-main);
  font-size: 0.938rem;
  line-height: 1.5;
  transition: background 0.2s ease;
}
.faq-q .q-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(197,138,60,0.12);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 700;
  flex-shrink: 0;
}
.faq-q .arrow {
  margin-left: auto;
  color: var(--text-weak);
  transition: transform 0.2s ease;
  font-size: 0.813rem;
}
.faq-card.active .arrow { transform: rotate(180deg); color: var(--primary); }
.faq-a {
  padding: 0 1.25rem 1.25rem 3.25rem;
  color: var(--text-sub);
  font-size: 0.938rem;
  line-height: 1.8;
}

/* ===== CTA single ===== */
.cta-single {
  padding: 4rem 0 5rem;
  text-align: center;
  background: var(--light-bg);
}
.cta-single a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--primary-dark);
  border-bottom: 2px solid var(--primary);
  padding-bottom: 0.25rem;
  transition: all 0.2s ease;
}
.cta-single a:hover { color: var(--dark-bg); border-color: var(--dark-bg); }

/* ===== 页脚 ===== */
.site-footer {
  background: var(--dark-bg);
  color: rgba(255,255,255,0.7);
  padding: clamp(3rem, 8vw, 5rem) 0 1.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-logo {
  color: #fff;
  font-size: 1.5rem;
  font-weight: 700;
  display: inline-block;
  margin-bottom: 0.75rem;
}
.footer-logo span { color: var(--gold-light); }
.footer-brand p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  margin: 0.85rem 0 1.25rem;
  max-width: 320px;
  line-height: 1.7;
}
.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.footer-col ul li {
  padding: 0.3rem 0;
  font-size: 0.875rem;
}
.footer-col ul li a { color: rgba(255,255,255,0.7); }
.footer-col ul li a:hover { color: var(--gold-light); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1.5rem;
  font-size: 0.813rem;
  color: rgba(255,255,255,0.45);
}
.footer-bottom a { color: rgba(255,255,255,0.45); }
.footer-bottom a:hover { color: var(--gold-light); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .split-grid { gap: 2rem; }
  .double-accordion { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .site-nav { padding: 0.5rem 0.75rem; top: 10px; max-width: calc(100% - 20px); }
  .nav-inner { flex-wrap: wrap; gap: 0.5rem; }
  .nav-logo { font-size: 1rem; order: 1; }
  .nav-cta { display: none; }
  .nav-toggle { display: inline-flex; order: 3; }
  .nav-menu {
    display: none;
    flex-direction: column;
    width: 100%;
    order: 4;
    padding-top: 0.5rem;
    border-top: 1px solid rgba(255,255,255,0.12);
  }
  .nav-menu.open { display: flex; }
  .nav-menu a { width: 100%; text-align: center; }
  .hero-category { padding-top: 5.5rem; }
  .split-grid { grid-template-columns: 1fr; }
  .dark-band-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; max-width: 320px; margin: 0 auto; }
  .hero-actions .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.75rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 520px) {
  .nav-cta { display: none; }
  .device-card { padding: 1.5rem; }
  .section-wrap { padding: 3rem 0; }
  .accordion-col { padding: 1rem; }
}

/* roulang page: article */
:root {
            --primary: #C58A3C;
            --primary-hover: #B47B2D;
            --dark: #15251E;
            --dark-nested: #1B352B;
            --bg: #F7F4EE;
            --card: #FFFFFF;
            --text: #27322C;
            --text-secondary: #6B726C;
            --text-placeholder: #9AA19A;
            --border: #E7E1D6;
            --rating: #E8C477;
            --warning: #E9792F;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 8px rgba(21,37,30,0.04);
            --shadow-md: 0 8px 24px rgba(21,37,30,0.1);
            --shadow-lg: 0 16px 40px rgba(21,37,30,0.16);
            --transition: 0.2s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
        }

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

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 clamp(1rem, 4vw, 2rem);
        }

        .container-narrow {
            max-width: 860px;
            margin: 0 auto;
            padding: 0 clamp(1rem, 4vw, 2rem);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 600;
            font-size: 0.938rem;
            height: 48px;
            padding: 0 1.75rem;
            border-radius: 12px;
            border: 1.5px solid transparent;
            text-decoration: none;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn i {
            font-size: 0.875rem;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--dark);
            box-shadow: 0 6px 16px rgba(197, 138, 60, 0.35);
        }

        .btn-primary:hover,
        .btn-primary:focus-visible {
            background: var(--primary-hover);
            color: var(--dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(197, 138, 60, 0.45);
            outline: none;
        }

        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.8);
            color: #ffffff;
        }

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

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

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

        .site-nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: min(1200px, calc(100% - 32px));
            background: rgba(21, 37, 30, 0.88);
            -webkit-backdrop-filter: blur(14px);
            backdrop-filter: blur(14px);
            border-radius: 999px;
            padding: 0.5rem 1.25rem;
            box-shadow: 0 16px 40px rgba(21, 37, 30, 0.16);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .nav-inner {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }

        .nav-logo {
            font-weight: 700;
            font-size: 1.125rem;
            color: #ffffff;
            letter-spacing: 0.01em;
            padding-bottom: 3px;
            position: relative;
            flex-shrink: 0;
        }

        .nav-logo::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 26px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }

        .nav-menu a {
            color: rgba(255, 255, 255, 0.86);
            font-size: 0.906rem;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 999px;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-menu a:hover,
        .nav-menu a:focus-visible {
            color: var(--primary);
            background: rgba(197, 138, 60, 0.12);
            outline: none;
        }

        .nav-menu a.active {
            color: var(--primary);
            background: rgba(197, 138, 60, 0.18);
        }

        .nav-cta {
            flex-shrink: 0;
            background: var(--primary);
            color: var(--dark);
            font-size: 0.875rem;
            font-weight: 600;
            padding: 0.625rem 1.25rem;
            border-radius: 999px;
            transition: all var(--transition);
            box-shadow: 0 4px 12px rgba(197, 138, 60, 0.28);
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
        }

        .nav-cta:hover,
        .nav-cta:focus-visible {
            background: var(--primary-hover);
            color: var(--dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(197, 138, 60, 0.38);
            outline: none;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 999px;
            color: #ffffff;
            width: 42px;
            height: 42px;
            font-size: 1rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .article-main {
            padding-top: 110px;
            min-height: 70vh;
        }

        .breadcrumb-wrap {
            background: #EFE9DE;
            border-bottom: 1px solid var(--border);
            padding: 0.9rem 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.375rem;
            font-size: 0.875rem;
            color: var(--text-secondary);
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }

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

        .breadcrumb .sep {
            color: var(--text-placeholder);
        }

        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 260px;
        }

        .article-wrap {
            background: var(--bg);
            padding: 3.5rem 0 4rem;
        }

        .article-header {
            margin-bottom: 2.25rem;
        }

        .article-header h1 {
            font-size: clamp(1.6rem, 3.4vw, 2.4rem);
            line-height: 1.35;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 1.125rem;
            letter-spacing: -0.01em;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.875rem;
            color: var(--text-secondary);
            font-size: 0.875rem;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            background: rgba(197, 138, 60, 0.12);
            border: 1px solid rgba(197, 138, 60, 0.25);
            color: #8A5A1F;
            font-size: 0.813rem;
            font-weight: 600;
            padding: 0.25rem 0.875rem;
            border-radius: 999px;
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
        }

        .meta-item i {
            color: var(--primary);
            font-size: 0.875rem;
        }

        .article-body {
            font-size: 1.0625rem;
            line-height: 1.9;
            color: var(--text);
        }

        .article-body p {
            margin-bottom: 1.25em;
        }

        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--dark);
            margin: 2em 0 0.8em;
            line-height: 1.4;
        }

        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--dark);
            margin: 1.6em 0 0.6em;
        }

        .article-body ul,
        .article-body ol {
            margin: 1em 0 1.25em;
            padding-left: 1.5em;
        }

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

        .article-body ul {
            list-style: disc;
        }

        .article-body ol {
            list-style: decimal;
        }

        .article-body img {
            border-radius: 16px;
            margin: 1.5em 0;
            box-shadow: var(--shadow-sm);
        }

        .article-body blockquote {
            border-left: 3px solid var(--primary);
            background: #F1EDE4;
            padding: 1rem 1.25rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5em 0;
            color: var(--text-secondary);
            font-style: normal;
        }

        .article-body blockquote p {
            margin-bottom: 0.25em;
        }

        .article-body figcaption,
        .article-body .image-caption {
            font-size: 0.875rem;
            color: var(--text-secondary);
            text-align: center;
            margin-top: -1em;
            margin-bottom: 1.5em;
            line-height: 1.6;
        }

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

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

        .article-body hr {
            border: none;
            border-top: 1px solid var(--border);
            margin: 2em 0;
        }

        .article-body pre {
            background: var(--dark);
            color: #E8E3D8;
            padding: 1.25rem;
            border-radius: 12px;
            overflow-x: auto;
            font-size: 0.938rem;
            line-height: 1.7;
            margin: 1.5em 0;
        }

        .article-body code {
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
            font-size: 0.9em;
        }

        .article-body pre code {
            background: transparent;
            color: inherit;
            padding: 0;
        }

        .article-tags {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
            padding: 2rem 0 1.25rem;
            border-top: 1px solid var(--border);
            margin-top: 2.5rem;
        }

        .tag-label {
            font-size: 0.875rem;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            font-size: 0.813rem;
            background: rgba(197, 138, 60, 0.1);
            border: 1px solid rgba(197, 138, 60, 0.2);
            color: #7A511E;
            padding: 0.25rem 0.875rem;
            border-radius: 999px;
            transition: all var(--transition);
        }

        .tag:hover {
            background: rgba(197, 138, 60, 0.18);
            border-color: rgba(197, 138, 60, 0.35);
        }

        .article-pager {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            padding: 1.5rem 0 0;
        }

        .pager-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 1.125rem 1.25rem;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 0.375rem;
        }

        .pager-item:hover {
            border-color: rgba(197, 138, 60, 0.4);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .pager-next {
            text-align: right;
        }

        .pager-label {
            font-size: 0.813rem;
            color: var(--text-placeholder);
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
        }

        .pager-next .pager-label {
            justify-content: flex-end;
        }

        .pager-text {
            font-size: 0.938rem;
            font-weight: 500;
            color: var(--text);
        }

        .article-empty {
            text-align: center;
            background: var(--card);
            border: 1px dashed var(--border);
            border-radius: var(--radius-lg);
            padding: 4rem 2rem;
            box-shadow: var(--shadow-sm);
        }

        .article-empty .empty-icon {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: rgba(197, 138, 60, 0.12);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.75rem;
            color: var(--primary);
            margin-bottom: 1.25rem;
        }

        .article-empty h1 {
            font-size: 1.625rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 0.625rem;
        }

        .article-empty p {
            color: var(--text-secondary);
            margin-bottom: 1.75rem;
            max-width: 360px;
            margin-left: auto;
            margin-right: auto;
        }

        .related-section {
            background: var(--card);
            padding: 4.5rem 0 5rem;
            border-top: 1px solid var(--border);
        }

        .related-section .section-head {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .related-section h2 {
            font-size: clamp(1.375rem, 2.6vw, 1.875rem);
            font-weight: 700;
            color: var(--dark);
            line-height: 1.3;
            position: relative;
            padding-left: 14px;
        }

        .related-section h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0.2em;
            bottom: 0.2em;
            width: 4px;
            border-radius: 4px;
            background: var(--primary);
        }

        .section-more {
            font-size: 0.875rem;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            transition: color var(--transition);
        }

        .section-more:hover {
            color: var(--primary);
        }

        .related-grid {
            gap: 1.5rem;
        }

        .related-col {
            margin-bottom: 0;
        }

        .related-card {
            display: block;
            background: var(--card);
            border: 1px solid #EFEAE0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(197, 138, 60, 0.3);
        }

        .card-cover {
            overflow: hidden;
            aspect-ratio: 16 / 9;
            position: relative;
            background: var(--bg);
        }

        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .card-body {
            padding: 1.25rem 1.375rem 1.5rem;
        }

        .card-body h3 {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--dark);
            line-height: 1.4;
            margin-bottom: 0.5rem;
            transition: color var(--transition);
        }

        .related-card:hover .card-body h3 {
            color: var(--primary);
        }

        .card-body p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 4.5rem 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 2.5rem;
            padding-bottom: 3.5rem;
        }

        .footer-brand .footer-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff;
        }

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

        .footer-brand p {
            margin: 1rem 0 1.5rem;
            font-size: 0.875rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.65);
            max-width: 280px;
        }

        .footer-col h4 {
            color: #ffffff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1.25rem;
        }

        .footer-col ul li {
            margin-bottom: 0.75rem;
            font-size: 0.875rem;
        }

        .footer-col ul a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition);
        }

        .footer-col ul a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 1.75rem 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem;
            font-size: 0.813rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
        }

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

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: inline-flex;
            }

            .nav-menu {
                display: none;
                position: absolute;
                top: calc(100% + 10px);
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                background: rgba(21, 37, 30, 0.96);
                border-radius: 20px;
                padding: 0.75rem;
                gap: 0.25rem;
                box-shadow: 0 16px 40px rgba(21, 37, 30, 0.24);
            }

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

            .nav-menu a {
                padding: 0.75rem 1rem;
            }

            .nav-cta {
                padding: 0.5rem 0.875rem;
                font-size: 0.813rem;
            }

            .article-main {
                padding-top: 96px;
            }

            .site-nav {
                top: 12px;
                padding: 0.375rem 1rem;
            }

            .article-wrap {
                padding: 2.25rem 0 3rem;
            }

            .article-pager {
                grid-template-columns: 1fr;
            }

            .related-grid {
                gap: 1.25rem;
            }
        }

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
                padding-bottom: 2.5rem;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }

            .breadcrumb .current {
                max-width: 180px;
            }

            .article-header h1 {
                font-size: 1.4rem;
            }

            .article-meta {
                gap: 0.625rem;
            }

            .related-section {
                padding: 3rem 0 3.5rem;
            }

            .btn {
                width: 100%;
            }

            .nav-menu a {
                font-size: 1rem;
            }
        }

        @media (min-width: 541px) and (max-width: 768px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

/* roulang page: category3 */
/* ============ 设计变量 ============ */
        :root {
            --primary: #C58A3C;
            --primary-dark: #B47B2D;
            --dark: #15251E;
            --dark-2: #1B352B;
            --bg: #F7F4EE;
            --card: #FFFFFF;
            --text: #27322C;
            --text-2: #6B726C;
            --text-3: #9AA19A;
            --border: #E7E1D6;
            --gold-light: #E8C477;
            --warn: #E9792F;
            --radius-lg: 24px;
            --radius-card: 16px;
            --radius-pill: 999px;
            --radius-xs: 8px;
            --shadow-card: 0 2px 8px rgba(21, 37, 30, 0.04);
            --shadow-hover: 0 8px 24px rgba(21, 37, 30, 0.1);
            --shadow-pop: 0 16px 40px rgba(21, 37, 30, 0.16);
            --transition: 0.2s ease;
            --font: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            font-size: 1rem;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 clamp(1rem, 4vw, 2rem);
        }

        /* ============ 导航（悬浮胶囊） ============ */
        .site-nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 999;
            background: rgba(21, 37, 30, 0.85);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-radius: 999px;
            padding: 0.5rem 1.25rem;
            box-shadow: 0 8px 24px rgba(21, 37, 30, 0.18);
            width: auto;
            max-width: 94vw;
            transition: background 0.3s ease;
        }

        .nav-inner {
            display: flex;
            align-items: center;
            gap: 1.25rem;
        }

        .nav-logo {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            white-space: nowrap;
            border-bottom: 2px solid var(--primary);
            padding-bottom: 2px;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }

        .nav-menu a {
            color: rgba(255, 255, 255, 0.82);
            font-size: 0.875rem;
            padding: 0.45rem 0.85rem;
            border-radius: 999px;
            transition: color 0.2s ease, background 0.2s ease;
            white-space: nowrap;
        }

        .nav-menu a:hover {
            color: var(--gold-light);
            background: rgba(197, 138, 60, 0.18);
        }

        .nav-menu a.active {
            color: var(--gold-light);
            background: rgba(197, 138, 60, 0.25);
        }

        .nav-cta {
            background: var(--primary);
            color: var(--dark);
            font-size: 0.813rem;
            font-weight: 600;
            padding: 0.45rem 1.1rem;
            border-radius: 999px;
            transition: background 0.2s ease, box-shadow 0.2s ease;
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 14px rgba(197, 138, 60, 0.35);
        }

        .nav-toggle {
            display: none;
            color: #fff;
            font-size: 1.1rem;
            cursor: pointer;
            padding: 0.3rem 0.5rem;
            border-radius: 8px;
        }

        @media (max-width: 768px) {
            .site-nav {
                top: 12px;
                padding: 0.5rem 1rem;
            }

            .nav-toggle {
                display: block;
            }

            .nav-menu {
                display: none;
                position: absolute;
                top: calc(100% + 10px);
                left: 0;
                right: 0;
                background: rgba(21, 37, 30, 0.95);
                backdrop-filter: blur(14px);
                border-radius: 20px;
                padding: 1rem;
                flex-direction: column;
                align-items: stretch;
                gap: 0.4rem;
                box-shadow: 0 16px 40px rgba(21, 37, 30, 0.3);
            }

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

            .nav-menu a {
                padding: 0.7rem 1rem;
                text-align: center;
            }

            .nav-cta {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .nav-logo {
                font-size: 0.95rem;
            }

            .site-nav {
                padding: 0.4rem 0.85rem;
            }
        }

        /* ============ 按钮 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            height: 48px;
            padding: 0 1.75rem;
            border-radius: 12px;
            font-size: 0.938rem;
            font-weight: 600;
            line-height: 1;
            cursor: pointer;
            transition: background 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, color 0.2s ease;
            border: 1.5px solid transparent;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 16px rgba(197, 138, 60, 0.35);
        }

        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.8);
            color: #fff;
        }

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

        .btn-outline-dark {
            background: transparent;
            border-color: var(--text-2);
            color: var(--text);
        }

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

        /* ============ Hero（分类页首屏） ============ */
        .category-hero {
            background: linear-gradient(120deg, var(--dark) 0%, var(--dark-2) 70%);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: multiply;
            padding: 170px 0 75px;
            position: relative;
            color: #fff;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(21, 37, 30, 0.65), rgba(21, 37, 30, 0.35));
            pointer-events: none;
        }

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

        .hero-breadcrumb {
            font-size: 0.813rem;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 1.5rem;
            letter-spacing: 0.03em;
        }

        .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
            transition: color 0.2s ease;
        }

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

        .category-hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.4rem);
            line-height: 1.2;
            font-weight: 700;
            margin-bottom: 1rem;
            word-break: break-word;
        }

        .category-hero .hero-sub {
            font-size: 1.125rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 680px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }

        .hero-badges {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 0.75rem;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: 999px;
            padding: 0.4rem 1rem;
            font-size: 0.813rem;
            color: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(6px);
        }

        .hero-badge i {
            color: var(--gold-light);
        }

        @media (max-width: 640px) {
            .category-hero {
                padding: 140px 0 50px;
            }

            .hero-badges {
                flex-direction: column;
                align-items: center;
            }
        }

        /* ============ 通用板块间距 ============ */
        .section {
            padding: clamp(4rem, 10vw, 6.5rem) 0;
        }

        .section-head {
            text-align: center;
            max-width: 760px;
            margin: 0 auto 3rem;
        }

        .section-head h2 {
            font-size: clamp(1.4rem, 2.8vw, 2rem);
            line-height: 1.3;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.75rem;
        }

        .section-head p {
            color: var(--text-2);
            font-size: 0.938rem;
        }

        /* ============ 错位图文（下载方式） ============ */
        .split-section {
            background: var(--bg);
        }

        .split-media {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

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

        .split-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        .split-content {
            padding: 0.5rem 0 0.5rem 1rem;
        }

        .split-content h2 {
            font-size: clamp(1.4rem, 2.8vw, 1.9rem);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 1rem;
            color: var(--text);
        }

        .split-content>p {
            color: var(--text-2);
            font-size: 0.938rem;
            margin-bottom: 1.5rem;
        }

        .split-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .split-list li {
            display: flex;
            gap: 0.75rem;
            align-items: flex-start;
            padding: 0.875rem 1.125rem;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 14px;
            transition: box-shadow 0.2s ease, border-color 0.2s ease;
        }

        .split-list li:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }

        .split-list .icon-wrap {
            flex: 0 0 40px;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(197, 138, 60, 0.12);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
        }

        .split-list .item-text h3 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 0.2rem;
        }

        .split-list .item-text p {
            font-size: 0.813rem;
            color: var(--text-2);
            line-height: 1.6;
        }

        @media (max-width: 1024px) {
            .split-content {
                padding-left: 0;
                margin-top: 1.5rem;
            }

            .split-media img {
                min-height: 260px;
            }
        }

        @media (max-width: 640px) {
            .split-list li {
                padding: 0.75rem 0.875rem;
            }

            .split-media img {
                min-height: 200px;
            }
        }

        /* ============ 安装流程（步骤） ============ */
        .steps-section {
            background: var(--card);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .step-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            text-align: center;
            position: relative;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

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

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--dark);
            color: var(--gold-light);
            font-weight: 700;
            font-size: 1.25rem;
            margin-bottom: 1.25rem;
            box-shadow: 0 4px 14px rgba(21, 37, 30, 0.15);
        }

        .step-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 0.6rem;
        }

        .step-card p {
            font-size: 0.875rem;
            color: var(--text-2);
            line-height: 1.65;
        }

        @media (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }

            .step-card {
                padding: 1.5rem 1.25rem;
            }
        }

        /* ============ 系统要求（双栏卡片） ============ */
        .requirements-section {
            background: var(--bg);
        }

        .requirement-cards {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }

        .requirement-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 2rem;
            transition: box-shadow 0.2s ease, transform 0.2s ease;
        }

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

        .req-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1.5rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid var(--border);
        }

        .req-header h3 {
            font-size: 1.25rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .req-header h3 i {
            color: var(--primary);
        }

        .req-version {
            background: rgba(197, 138, 60, 0.12);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.3rem 0.8rem;
            border-radius: 999px;
        }

        .req-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .req-list li {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.938rem;
            color: var(--text);
        }

        .req-list li i {
            color: var(--primary);
            font-size: 0.875rem;
        }

        .req-list li span {
            color: var(--text-2);
        }

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

            .requirement-card {
                padding: 1.5rem;
            }
        }

        /* ============ 版本说明 ============ */
        .release-section {
            background: var(--dark);
            color: #fff;
        }

        .release-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 2.5rem 3rem;
        }

        .release-info {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            flex-wrap: wrap;
        }

        .release-version {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 72px;
            height: 72px;
            border-radius: 20px;
            background: var(--primary);
            color: var(--dark);
            font-weight: 700;
            font-size: 1.15rem;
            box-shadow: 0 6px 20px rgba(197, 138, 60, 0.3);
        }

        .release-text h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 0.35rem;
        }

        .release-text p {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.65);
        }

        .release-notes {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            max-width: 480px;
        }

        .release-notes span {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.16);
            color: rgba(255, 255, 255, 0.9);
            border-radius: 999px;
            padding: 0.35rem 1rem;
            font-size: 0.813rem;
        }

        @media (max-width: 768px) {
            .release-inner {
                flex-direction: column;
                align-items: flex-start;
                padding: 1.75rem;
            }

            .release-info {
                gap: 1rem;
            }
        }

        /* ============ FAQ 手风琴 ============ */
        .faq-section {
            background: var(--bg);
        }

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

        .accordion {
            margin: 0;
            background: transparent;
            border: none;
            border-radius: 0;
            box-shadow: none;
        }

        .accordion-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 12px;
            margin-bottom: 0.875rem;
            overflow: hidden;
            transition: box-shadow 0.2s ease, border-color 0.2s ease;
        }

        .accordion-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card);
        }

        .accordion-item.is-active {
            border-color: var(--primary);
        }

        .accordion-title {
            background: var(--card);
            border: none;
            padding: 0;
            min-height: auto;
            position: relative;
            display: flex;
            align-items: center;
            gap: 0.875rem;
            padding: 1.1rem 1.5rem;
            font-size: 0.938rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            transition: color 0.2s ease;
        }

        .accordion-title:hover {
            color: var(--primary);
        }

        .accordion-title::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            right: 1.25rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--primary);
            font-size: 0.813rem;
            transition: transform 0.2s ease;
        }

        .accordion-item.is-active .accordion-title::after {
            transform: translateY(-50%) rotate(180deg);
        }

        .accordion-title .q-icon {
            flex: 0 0 30px;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: rgba(197, 138, 60, 0.14);
            color: var(--primary);
            font-weight: 700;
            font-size: 0.813rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .accordion-content {
            background: #F1EDE4;
            border: none;
            padding: 1rem 1.5rem 1.5rem;
            color: var(--text);
            font-size: 0.875rem;
            line-height: 1.75;
        }

        .accordion-content p {
            margin-bottom: 0.5rem;
        }

        .accordion-content p:last-child {
            margin-bottom: 0;
        }

        /* 隐藏 Foundation 默认箭头 */
        .accordion-title::before {
            display: none;
        }

        /* ============ 轻量 CTA ============ */
        .light-cta {
            background: var(--card);
            padding: 2.5rem 0 4rem;
            text-align: center;
        }

        .light-cta-inner {
            max-width: 720px;
            margin: 0 auto;
        }

        .light-cta-inner p {
            font-size: 0.938rem;
            color: var(--text-2);
            margin-bottom: 1rem;
        }

        .link-arrow {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.938rem;
            transition: gap 0.2s ease, color 0.2s ease;
        }

        .link-arrow:hover {
            color: var(--primary-dark);
            gap: 0.75rem;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 4.5rem 0 0;
            font-size: 0.875rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 2.5rem;
            padding-bottom: 3rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            display: inline-block;
            margin-bottom: 1rem;
        }

        .footer-logo span {
            color: var(--gold-light);
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            margin-bottom: 1.25rem;
            max-width: 320px;
        }

        .footer-brand .btn {
            margin-top: 0.25rem;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.938rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 0.55rem;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.2s ease;
        }

        .footer-col ul li a:hover {
            color: var(--gold-light);
        }

        .footer-col ul li {
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.6;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.75rem;
            padding: 1.5rem 0;
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.813rem;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: color 0.2s ease;
        }

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

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.75rem;
            }

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

        /* ============ 通用渐入动画 ============ */
        .fade-up {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.5s ease, transform 0.5s ease;
        }

        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ============ 焦点可见性 ============ */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

/* roulang page: category2 */
:root {
  --primary: #C58A3C;
  --primary-dark: #B47B2D;
  --primary-light: #E8C477;
  --ink: #15251E;
  --ink-deep: #1B352B;
  --paper: #F7F4EE;
  --card: #FFFFFF;
  --text: #27322C;
  --text-secondary: #6B726C;
  --text-placeholder: #9AA19A;
  --border: #E7E1D6;
  --warning: #E9792F;
  --radius-card: 16px;
  --radius-btn: 12px;
  --radius-pill: 999px;
  --shadow-card: 0 2px 8px rgba(21,37,30,0.04);
  --shadow-hover: 0 8px 24px rgba(21,37,30,0.1);
  --shadow-float: 0 16px 40px rgba(21,37,30,0.16);
  --transition: 0.2s ease;
  --container: 1200px;
  --section-gap: clamp(4rem, 10vw, 6.5rem);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  background: var(--paper);
  color: var(--text);
  line-height: 1.8;
  font-size: 1rem;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 clamp(1rem, 4vw, 2rem); }
.grid-x.grid-margin-x { margin-left: -0.75rem; margin-right: -0.75rem; }
.grid-x.grid-margin-x > .cell { padding-left: 0.75rem; padding-right: 0.75rem; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 48px;
  padding: 0 1.75rem;
  border-radius: var(--radius-btn);
  font-size: 0.9375rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1;
}
.btn-primary { background: var(--primary); color: var(--ink); }
.btn-primary:hover { background: var(--primary-dark); box-shadow: 0 6px 16px rgba(197,138,60,0.35); transform: translateY(-1px); }
.btn-outline-light { background: transparent; border: 1.5px solid rgba(255,255,255,0.45); color: #fff; }
.btn-outline-light:hover { border-color: var(--primary-light); color: var(--primary-light); }
.site-nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: calc(100% - 2rem);
  max-width: 1200px;
  border-radius: var(--radius-pill);
  background: rgba(21,37,30,0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 0.5rem 1.25rem;
  box-shadow: var(--shadow-float);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.nav-logo { color: #fff; font-weight: 700; font-size: 1.125rem; letter-spacing: 0.02em; white-space: nowrap; }
.nav-logo::after { content: ""; display: block; height: 2px; width: 100%; background: var(--primary); margin-top: 2px; border-radius: 2px; }
.nav-menu { display: flex; align-items: center; gap: 0.25rem; }
.nav-menu a { color: rgba(255,255,255,0.85); font-size: 0.875rem; padding: 0.5rem 1rem; border-radius: var(--radius-pill); transition: all var(--transition); white-space: nowrap; }
.nav-menu a:hover { color: var(--primary-light); }
.nav-menu a.active { color: var(--primary-light); background: rgba(197,138,60,0.18); }
.nav-cta {
  background: var(--primary); color: var(--ink) !important; font-size: 0.813rem; font-weight: 600;
  height: 36px; padding: 0 1.25rem; border-radius: var(--radius-pill);
  display: inline-flex; align-items: center; gap: 0.375rem; transition: all var(--transition);
  white-space: nowrap;
}
.nav-cta:hover { background: var(--primary-dark); box-shadow: 0 6px 16px rgba(197,138,60,0.35); transform: translateY(-1px); }
.nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.25rem; cursor: pointer; width: 40px; height: 40px; align-items: center; justify-content: center; }
.hero-section {
  position: relative;
  background: var(--ink);
  min-height: 560px;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; background-size: cover; background-position: center; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(21,37,30,0.92) 0%, rgba(21,37,30,0.72) 55%, rgba(21,37,30,0.4) 100%);
}
.hero-content { position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: rgba(197,138,60,0.15); border: 1px solid rgba(197,138,60,0.3);
  color: var(--primary-light); font-size: 0.813rem; padding: 0.375rem 1rem;
  border-radius: var(--radius-pill); margin-bottom: 1.25rem; font-weight: 500;
}
.hero-section h1 {
  color: #fff; font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 700;
  line-height: 1.2; margin-bottom: 1rem;
}
.hero-sub { color: rgba(255,255,255,0.78); font-size: 1.0625rem; max-width: 640px; margin-bottom: 2rem; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.section { padding: var(--section-gap) 0; }
.section-alt { background: var(--card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-dark { background: var(--ink); color: rgba(255,255,255,0.85); }
.section-dark .section-head h2 { color: #fff; }
.section-dark .section-head p { color: rgba(255,255,255,0.7); }
.section-dark .section-overline { color: var(--primary-light); }
.section-schedule { background: linear-gradient(180deg, var(--paper) 0%, var(--card) 100%); }
.section-head { text-align: center; margin-bottom: clamp(2rem, 5vw, 3rem); }
.section-head h2 { font-size: clamp(1.4rem, 2.8vw, 2rem); font-weight: 700; color: var(--ink); line-height: 1.3; }
.section-head p { color: var(--text-secondary); margin-top: 0.75rem; max-width: 640px; margin-inline: auto; font-size: 0.9375rem; }
.section-overline { color: var(--primary); font-size: 0.813rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 0.5rem; display: inline-block; }
.split-block { margin: 2rem 0; }
.split-media img { width: 100%; border-radius: 24px; box-shadow: var(--shadow-hover); object-fit: cover; }
.split-content { padding: 0.25rem 0.5rem; }
.split-content h3, .split-title { font-size: 1.375rem; font-weight: 700; color: var(--ink); margin-bottom: 1rem; line-height: 1.4; }
.split-content p { color: var(--text-secondary); margin-bottom: 1rem; font-size: 0.9375rem; }
.split-content ul { margin: 0; }
.check-li { display: flex; gap: 0.625rem; align-items: flex-start; margin-bottom: 0.625rem; color: var(--text-secondary); font-size: 0.9375rem; }
.check-li i { color: var(--primary); margin-top: 0.4rem; flex-shrink: 0; font-size: 0.875rem; }
.steps-row { display: flex; gap: 1.5rem; }
.step-item {
  flex: 1; position: relative; text-align: center; padding: 1.75rem 1.25rem;
  background: var(--ink-deep); border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-card); box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
}
.step-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-float); }
.step-num {
  width: 48px; height: 48px; margin: 0 auto 1rem; border-radius: 50%;
  background: var(--primary); color: var(--ink); font-weight: 700; font-size: 1.125rem;
  display: flex; align-items: center; justify-content: center;
}
.step-item h3 { font-size: 1rem; font-weight: 600; color: #fff; margin-bottom: 0.375rem; }
.step-item p { font-size: 0.813rem; color: rgba(255,255,255,0.7); line-height: 1.7; }
.step-item::after {
  content: "\f061"; font-family: "Font Awesome 6 Free"; font-weight: 900;
  position: absolute; right: calc(-0.75rem - 1px); top: 50%; transform: translateY(-50%);
  color: var(--primary); z-index: 2; font-size: 0.875rem;
}
.step-item:last-child::after { display: none; }
.event-card {
  background: var(--card); border-radius: var(--radius-card);
  border: 1px solid var(--border); padding: 1.5rem;
  display: flex; gap: 1.25rem; align-items: flex-start;
  box-shadow: var(--shadow-card); transition: transform var(--transition), box-shadow var(--transition);
  height: 100%;
}
.event-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.event-date {
  flex-shrink: 0; width: 56px; height: 56px; border-radius: 12px;
  background: rgba(197,138,60,0.12); border: 1px solid rgba(197,138,60,0.25);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: var(--primary-dark); text-align: center; line-height: 1.2;
}
.event-date strong { font-size: 0.9375rem; font-weight: 700; }
.event-date span { font-size: 0.688rem; }
.event-info { flex: 1; }
.event-tag {
  display: inline-block; background: rgba(197,138,60,0.1); color: var(--primary-dark);
  font-size: 0.75rem; padding: 0.125rem 0.625rem; border-radius: var(--radius-pill);
  margin-bottom: 0.5rem; font-weight: 600;
}
.event-info h3 { font-size: 1.0625rem; font-weight: 600; color: var(--ink); margin-bottom: 0.375rem; }
.event-info p { color: var(--text-secondary); font-size: 0.875rem; line-height: 1.7; }
.info-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-card);
  padding: 1.75rem; box-shadow: var(--shadow-card); transition: transform var(--transition), box-shadow var(--transition);
  height: 100%;
}
.info-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.card-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: rgba(197,138,60,0.12);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary); font-size: 1.25rem; margin-bottom: 1rem;
}
.info-card h3 { font-size: 1.125rem; font-weight: 600; color: var(--ink); margin-bottom: 0.5rem; }
.info-card p { color: var(--text-secondary); font-size: 0.875rem; line-height: 1.7; }
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-accordion { margin: 0; }
.faq-accordion .accordion-item {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; margin-bottom: 0.75rem; overflow: hidden;
  list-style: none;
}
.faq-accordion .accordion-title {
  display: flex; align-items: center;
  color: var(--text); font-weight: 600; font-size: 0.9375rem;
  padding: 1rem 1.25rem; line-height: 1.6; position: relative;
  background: var(--card); border: none; transition: color var(--transition);
}
.faq-accordion .accordion-title::before {
  content: "?";
  width: 24px; height: 24px; border-radius: 50%;
  background: rgba(197,138,60,0.12); color: var(--primary);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 700; margin-right: 0.75rem; flex-shrink: 0;
}
.faq-accordion .accordion-title::after {
  content: ""; width: 8px; height: 8px;
  border-right: 2px solid var(--text-secondary); border-bottom: 2px solid var(--text-secondary);
  transform: rotate(45deg); transition: transform var(--transition);
  flex-shrink: 0; margin-left: auto;
}
.faq-accordion .accordion-title:hover, .faq-accordion .accordion-title:focus { background: var(--card); color: var(--primary-dark); }
.faq-accordion .accordion-item.is-active > .accordion-title { color: var(--primary-dark); }
.faq-accordion .accordion-item.is-active > .accordion-title::after { transform: rotate(225deg); }
.faq-accordion .accordion-content {
  background: var(--paper); border: none; border-top: 1px solid var(--border);
  padding: 1rem 1.25rem 1.25rem 3.25rem;
}
.faq-accordion .accordion-content p { color: var(--text-secondary); font-size: 0.9375rem; line-height: 1.8; }
.cta-strip { background: var(--ink); padding: 2.5rem 0; text-align: center; }
.cta-strip p { color: rgba(255,255,255,0.85); font-size: 0.9375rem; }
.cta-strip a { color: var(--primary-light); font-weight: 600; text-decoration: underline; text-underline-offset: 4px; transition: color var(--transition); }
.cta-strip a:hover { color: var(--primary); }
.site-footer {
  background: var(--ink); color: rgba(255,255,255,0.7);
  padding: 3.5rem 0 0; margin-top: auto;
}
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 2rem; padding-bottom: 2.5rem; }
.footer-logo { color: #fff; font-size: 1.25rem; font-weight: 700; }
.footer-logo span { color: var(--primary-light); }
.footer-brand p { font-size: 0.875rem; line-height: 1.7; margin: 1rem 0 1.25rem; color: rgba(255,255,255,0.65); }
.footer-col h4 { color: #fff; font-size: 0.9375rem; font-weight: 600; margin-bottom: 1rem; }
.footer-col ul li { margin-bottom: 0.5rem; }
.footer-col ul a { color: rgba(255,255,255,0.7); font-size: 0.875rem; transition: color var(--transition); }
.footer-col ul a:hover { color: var(--primary-light); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1); padding: 1.25rem 0;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem;
  font-size: 0.813rem; color: rgba(255,255,255,0.55);
}
.footer-bottom a { color: rgba(255,255,255,0.55); transition: color var(--transition); }
.footer-bottom a:hover { color: var(--primary-light); }
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .steps-row { flex-wrap: wrap; }
  .step-item { flex: 1 1 calc(50% - 0.75rem); }
  .step-item:nth-child(2)::after { display: none; }
}
@media (max-width: 768px) {
  .site-nav { border-radius: 24px; top: 12px; }
  .nav-menu {
    display: none; position: absolute; top: calc(100% + 8px); left: 0; right: 0;
    background: rgba(21,37,30,0.95); backdrop-filter: blur(14px);
    border-radius: 24px; padding: 0.75rem; flex-direction: column; gap: 0.25rem;
    box-shadow: var(--shadow-float);
  }
  .nav-menu.open { display: flex; }
  .nav-menu a { width: 100%; text-align: center; }
  .nav-cta { margin-left: auto; }
  .nav-toggle { display: inline-flex; }
  .hero-section { min-height: auto; padding: 100px 0 60px; }
  .hero-actions .btn { width: 100%; }
  .steps-row { flex-direction: column; }
  .step-item { flex: 1 1 100%; }
  .step-item::after { content: "\f063"; right: auto; left: 50%; bottom: -1.25rem; top: auto; transform: translateX(-50%); }
  .step-item:last-child::after { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .split-content { padding: 1rem 0 0; }
}
@media (max-width: 520px) {
  .nav-logo { font-size: 1rem; }
  .nav-menu a { font-size: 0.875rem; }
  .event-card { flex-direction: column; gap: 0.875rem; }
  .event-date { width: 48px; height: 48px; }
  .section-head h2 { font-size: 1.25rem; }
}