/* roulang page: index */
:root{
  --c-primary:#D9A441;
  --c-primary-hover:#C08C2C;
  --c-primary-soft:#F7E9C8;
  --c-primary-ink:#7A5A12;
  --c-ink:#1C2422;
  --c-ink-2:#4E5A56;
  --c-ink-3:#8A918C;
  --c-ceramic:#5C7A70;
  --c-accent:#B4453B;
  --c-bg:#FBF8F1;
  --c-surface:#FFFFFF;
  --c-surface-2:#F4EFE3;
  --c-deep:#16201E;
  --c-line:#E7E0D2;
  --c-line-strong:#D6CBB4;
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --sh-1:0 1px 2px rgba(28,36,34,.04),0 8px 20px -12px rgba(28,36,34,.16);
  --sh-2:0 2px 4px rgba(28,36,34,.06),0 18px 40px -18px rgba(28,36,34,.24);
  --font-serif:'Noto Serif SC','Source Han Serif SC','Songti SC',serif;
  --font-sans:'Noto Sans SC','PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  text-align:left;
  -webkit-font-smoothing:antialiased;
  font-display:swap;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:var(--font-sans);font-size:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;letter-spacing:.01em;color:var(--c-ink);margin:0;line-height:1.35}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
input,select,textarea{font-family:var(--font-sans)}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:72px 0}
.section--alt{background:var(--c-surface-2)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head h2{font-size:30px;line-height:1.35}
.section-head p{color:var(--c-ink-2);font-size:15px;margin:10px 0 0;line-height:1.75}
.section-head .head-text{max-width:640px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);border:1.5px solid transparent;
  font-size:15.5px;font-weight:600;line-height:1.2;cursor:pointer;text-align:center;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.btn-primary{background:var(--c-primary);color:var(--c-ink);box-shadow:inset 0 1px 0 rgba(255,255,255,.35)}
.btn-primary:hover{background:var(--c-primary-hover);color:var(--c-ink);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:transparent;color:var(--c-ceramic);border-color:var(--c-ceramic)}
.btn-ghost:hover{background:rgba(92,122,112,.1)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:transparent;color:#FBF8F1;border-color:rgba(251,248,241,.45)}
.btn-light:hover{background:rgba(251,248,241,.12);color:#FBF8F1}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-lg{padding:15px 32px;font-size:16.5px}
.link-underline{
  display:inline-block;font-size:15px;font-weight:600;color:var(--c-ink);
  border-bottom:2px solid var(--c-primary);padding-bottom:2px;
  transition:color .2s ease,border-color .2s ease;
}
.link-underline:hover{color:var(--c-primary-hover);border-bottom-color:var(--c-primary-hover)}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;
  font-size:12.5px;line-height:1.6;font-weight:600;
  background:var(--c-primary-soft);color:var(--c-primary-ink);
}
.badge-hot{background:var(--c-accent);color:#fff}
.badge-ceramic{background:rgba(92,122,112,.12);color:var(--c-ceramic)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,248,241,.88);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
}
.nav-inner{display:flex;align-items:center;gap:26px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:26px;height:26px;flex:0 0 auto}
.brand-text{
  font-family:var(--font-serif);font-size:17px;font-weight:700;color:var(--c-ink);
  white-space:nowrap;letter-spacing:.01em;
}
.brand-text .sep{color:var(--c-primary);margin:0 1px}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:6px}
.main-nav a{
  position:relative;font-size:15px;color:var(--c-ink-2);
  padding:6px 0 6px 12px;transition:color .18s ease;white-space:nowrap;
}
.main-nav a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--c-primary);
  opacity:0;transition:opacity .18s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;bottom:0;width:0;height:2px;
  background:var(--c-primary);transition:width .18s ease;
}
.main-nav a:hover{color:var(--c-ink)}
.main-nav a:hover::after{width:calc(100% - 12px)}
.main-nav a.is-active{color:var(--c-ink);font-weight:600}
.main-nav a.is-active::before{opacity:1}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto}
.cmd-search{
  display:flex;align-items:center;gap:8px;
  width:240px;height:38px;padding:0 10px;
  border-radius:10px;background:var(--c-surface);border:1px solid var(--c-line);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cmd-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(217,164,65,.18)}
.cmd-search svg{width:15px;height:15px;flex:0 0 auto;color:var(--c-ink-3)}
.cmd-search input{
  flex:1 1 auto;min-width:0;height:34px;margin:0;padding:0;
  border:0;background:transparent;box-shadow:none;
  font-size:13.5px;color:var(--c-ink);outline:none;
}
.cmd-search input::placeholder{color:var(--c-ink-3)}
.cmd-search input:focus{box-shadow:none;outline:none}
.cmd-search kbd{
  flex:0 0 auto;font-family:var(--font-sans);font-size:11px;line-height:20px;
  height:20px;padding:0 6px;border-radius:6px;
  background:var(--c-surface-2);color:var(--c-ink-3);border:1px solid var(--c-line);
}
.nav-toggle{
  display:none;width:44px;height:44px;flex:0 0 auto;
  align-items:center;justify-content:center;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:10px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{
  position:fixed;left:0;right:0;top:64px;bottom:0;z-index:55;
  background:var(--c-surface);padding:8px 24px 0;
  transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;overflow-y:auto;
  border-top:1px solid var(--c-line);
}
.mobile-drawer.is-open{transform:translateX(0)}
.mobile-drawer a{
  display:flex;align-items:center;min-height:52px;
  font-family:var(--font-serif);font-size:18px;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.mobile-drawer a.is-active{color:var(--c-primary-hover)}
.mobile-drawer .drawer-cta{margin:24px 0 40px}
.mobile-download-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:58;display:none;
  align-items:center;justify-content:center;
  height:calc(56px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:var(--c-primary);color:var(--c-ink);font-weight:700;font-size:15.5px;
  opacity:0;transform:translateY(100%);pointer-events:none;
  transition:opacity .25s ease,transform .25s ease;
}
.mobile-download-bar.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  padding:72px 0 92px;
  background:
    radial-gradient(900px 420px at 88% 6%, rgba(217,164,65,.16), transparent 70%),
    linear-gradient(150deg, rgba(217,164,65,.09) 0%, rgba(251,248,241,0) 48%, rgba(92,122,112,.07) 100%);
  border-bottom:1px solid var(--c-line);
}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(92,122,112,.1);color:var(--c-ceramic);
  font-size:13px;font-weight:600;letter-spacing:.06em;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--c-primary);display:block}
.hero h1{font-size:44px;line-height:1.25;margin:22px 0 0;letter-spacing:.01em}
.hero-sub{font-size:18.5px;line-height:1.75;color:var(--c-ink-2);margin:20px 0 0;max-width:33em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:flex;flex-wrap:wrap;margin-top:44px;border-top:1px solid var(--c-line);padding-top:24px}
.hero-stats .stat{padding-right:28px;margin-right:28px;border-right:1px solid var(--c-line)}
.hero-stats .stat:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-stats strong{display:block;font-family:var(--font-serif);font-size:26px;line-height:1.25;color:var(--c-ink)}
.hero-stats span{font-size:13px;color:var(--c-ink-3)}
.hero-visual{position:relative;padding-bottom:24px}
.hero-photo{border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:4/3;background:linear-gradient(135deg,var(--c-primary-soft),#FFFDF8)}
.hero-photo img{width:100%;height:100%;object-fit:cover}
.hero-float{
  position:absolute;right:-18px;bottom:-8px;width:196px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:14px;padding:8px;box-shadow:var(--sh-2);
}
.hero-float img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:10px;background:linear-gradient(160deg,var(--c-primary-soft),#FFFDF8)}
.hero-float-meta{padding:9px 5px 4px}
.hero-float-meta strong{display:block;font-family:var(--font-serif);font-size:14px;line-height:1.45}
.hero-float-meta span{font-size:12px;color:var(--c-ink-3)}

/* ============ 价值区 ============ */
.value-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:24px;align-items:stretch}
.value-main{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.value-main:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--c-line-strong)}
.value-main figure{margin:0;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,var(--c-primary-soft),#FFFDF8)}
.value-main img{width:100%;height:100%;object-fit:cover}
.value-main-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.value-main-body h3{font-size:21px}
.value-main-body p{font-size:14.5px;line-height:1.8;color:var(--c-ink-2);margin:0}
.value-side{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.value-card{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.value-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--c-line-strong)}
.value-icon{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(92,122,112,.1);color:var(--c-ceramic);
}
.value-icon svg{width:20px;height:20px}
.value-card h3{font-size:17px;margin-bottom:6px}
.value-card p{font-size:14px;line-height:1.75;color:var(--c-ink-2);margin:0}

/* ============ 手机截图横滑 ============ */
.shots-wrap{position:relative}
.shots-track{
  display:flex;gap:20px;overflow-x:auto;padding:4px 4px 18px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.shots-track::-webkit-scrollbar{display:none}
.shot{flex:0 0 clamp(220px,25vw,286px);scroll-snap-align:start}
.phone{
  background:var(--c-surface);border:1px solid var(--c-line-strong);
  border-radius:26px;padding:10px;box-shadow:var(--sh-1);
  transition:box-shadow .2s ease,transform .2s ease;
}
.phone:hover{box-shadow:var(--sh-2);transform:translateY(-3px)}
.phone img{width:100%;aspect-ratio:9/16;object-fit:cover;border-radius:18px;background:linear-gradient(160deg,var(--c-primary-soft),#FFFDF8)}
.shot-cap{margin-top:12px;font-size:14px;color:var(--c-ink-2);text-align:center;line-height:1.6}
.shots-note{margin-top:10px;font-size:14px;color:var(--c-ink-3)}

/* ============ 资讯 / CMS ============ */
.news-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch}
.news-lead{
  grid-row:span 3;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.news-lead:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--c-line-strong)}
.news-lead-link{display:flex;flex-direction:column;height:100%}
.news-lead-img{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,var(--c-primary-soft),#FFFDF8)}
.news-lead-img img{width:100%;height:100%;object-fit:cover}
.news-lead-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.news-lead-body h3{font-size:21px;line-height:1.5}
.news-lead-body .clamp2{font-size:14.5px;line-height:1.8;color:var(--c-ink-2);margin:0}
.news-mini{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px 22px;transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease,background-color .2s ease;
}
.news-mini:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--c-line-strong);background:var(--c-surface)}
.news-mini a{display:block}
.news-mini h3{font-size:16.5px;line-height:1.55;transition:color .2s ease}
.news-mini:hover h3{color:var(--c-primary-hover)}
.news-mini p{font-size:13.5px;line-height:1.75;color:var(--c-ink-2);margin:8px 0 12px}
.meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--c-ink-3)}
.meta .dot{width:3px;height:3px;border-radius:50%;background:var(--c-line-strong);display:block}
.clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-empty{
  grid-column:1 / -1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  padding:64px 24px;text-align:center;
  background:var(--c-surface);border:1px dashed var(--c-line-strong);border-radius:var(--r-card);
}
.cms-empty svg{width:34px;height:34px;color:var(--c-line-strong)}
.cms-empty p{color:var(--c-ink-2);font-size:15px;margin:0}

/* ============ 系统要求 ============ */
.req-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.req-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px 28px}
.req-card h3{font-size:19px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.req-card h3 span{font-size:12.5px;font-family:var(--font-sans);font-weight:600;color:var(--c-ceramic);background:rgba(92,122,112,.1);padding:3px 10px;border-radius:999px}
.req-list{display:grid;gap:0}
.req-row{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:12px 0;border-bottom:1px solid var(--c-line);font-size:14.5px}
.req-row:last-child{border-bottom:0}
.req-row dt{color:var(--c-ink-3);margin:0}
.req-row dd{margin:0;color:var(--c-ink)}

/* ============ 评价墙 ============ */
.review-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
.review-col{display:grid;gap:20px}
.review-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 24px;transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.review-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--c-line-strong)}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.avatar{
  width:44px;height:44px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--c-primary),#EFCB84);
  color:var(--c-ink);font-family:var(--font-serif);font-weight:700;font-size:17px;
}
.review-name{font-size:15px;font-weight:600;line-height:1.4}
.stars{color:var(--c-primary);font-size:12px;letter-spacing:2px;line-height:1.4}
.review-card p{font-size:15px;line-height:1.75;color:var(--c-ink-2);margin:0 0 14px}
.review-tag{display:inline-flex;padding:3px 10px;border-radius:999px;font-size:12px;background:rgba(92,122,112,.1);color:var(--c-ceramic)}

/* ============ FAQ ============ */
.faq-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden}
.faq-item + .faq-item{border-top:1px solid var(--c-line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.6;
  transition:background-color .2s ease;
}
.faq-q:hover{background:var(--c-surface-2)}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  border:1.5px solid var(--c-primary);color:var(--c-primary-hover);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;line-height:1;transition:background-color .2s ease;
}
.faq-q:hover .faq-icon{background:var(--c-primary-soft)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a-inner{padding:0 60px 22px 24px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}
@media (prefers-reduced-motion: reduce){
  .faq-a{transition:none}
  .reveal{transition:none !important}
}

/* ============ 下载区 ============ */
.download{background:var(--c-deep);color:#F5F1E7;padding:88px 0}
.download h2{color:#FBF8F1;font-size:30px}
.download .lead{color:rgba(251,248,241,.72);font-size:15.5px;line-height:1.8;margin:12px 0 0;max-width:30em}
.download-grid{display:grid;grid-template-columns:auto 1fr auto;gap:48px;align-items:center;margin-top:44px}
.qr-card{background:#fff;border-radius:var(--r-card);padding:14px;box-shadow:var(--sh-2);width:164px;text-align:center}
.qr-box{
  width:136px;height:136px;border-radius:10px;margin:0 auto;
  background:
    repeating-linear-gradient(90deg,#1C2422 0 6px,#fff 6px 12px),
    repeating-linear-gradient(0deg,#1C2422 0 6px,rgba(255,255,255,.7) 6px 12px);
  background-blend-mode:multiply;
  display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;
}
.qr-box::after{content:"扫码下载";position:absolute;inset:auto 0 0 0;background:rgba(255,255,255,.92);font-size:11.5px;color:var(--c-ink);padding:2px 0;letter-spacing:.04em}
.qr-card span{display:block;margin-top:10px;font-size:12.5px;color:var(--c-ink-2)}
.version-list{display:grid;gap:10px}
.version-row{display:grid;grid-template-columns:92px 1fr;gap:14px;font-size:14.5px;color:rgba(251,248,241,.8)}
.version-row dt{color:rgba(251,248,241,.5);margin:0}
.version-row dd{margin:0;color:#FBF8F1}
.download-actions{display:flex;flex-direction:column;gap:12px}
.compliance{margin-top:32px;padding-top:20px;border-top:1px solid rgba(251,248,241,.12);font-size:12.5px;color:rgba(251,248,241,.5);line-height:1.8}

/* ============ 页脚 ============ */
.site-footer{background:#101917;color:rgba(251,248,241,.75);border-top:1px solid rgba(251,248,241,.1)}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding:64px 0 48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{color:#FBF8F1;font-size:18px}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(251,248,241,.6);max-width:30em;margin:0}
.footer-col h4{
  font-family:var(--font-sans);font-size:13px;font-weight:600;
  letter-spacing:.08em;color:var(--c-primary);margin:0 0 16px;
}
.footer-col a{display:block;font-size:14px;color:rgba(251,248,241,.72);padding:6px 0;transition:color .2s ease}
.footer-col a:hover{color:var(--c-primary)}
.footer-col p{font-size:14px;color:rgba(251,248,241,.6);line-height:1.8;margin:0 0 8px}
.footer-bottom{
  border-top:1px solid rgba(251,248,241,.12);
  padding:20px 0 28px;font-size:12px;color:rgba(251,248,241,.45);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s ease-out,transform .32s ease-out}
.reveal.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-inner{gap:18px}
  .main-nav{gap:18px}
  .cmd-search{width:200px}
  .hero h1{font-size:38px}
  .hero-grid{gap:40px}
  .download-grid{gap:32px}
}
@media (max-width:991px){
  .section{padding:60px 0}
  .main-nav{display:none}
  .cmd-search{display:none}
  .nav-toggle{display:flex}
  .nav-right{margin-left:auto}
  .mobile-download-bar{display:flex}
  .hero{padding:48px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:32px;line-height:1.3}
  .hero-sub{font-size:16.5px}
  .hero-visual{padding-bottom:0;max-width:560px}
  .hero-float{position:relative;right:auto;bottom:auto;width:100%;margin-top:16px;display:flex;align-items:center;gap:14px}
  .hero-float img{width:88px;aspect-ratio:3/4}
  .hero-float-meta{padding:0}
  .value-grid{grid-template-columns:1fr}
  .value-side{grid-template-rows:none;grid-template-columns:1fr 1fr}
  .news-wrap{grid-template-columns:1fr}
  .news-lead{grid-row:auto}
  .req-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .download-grid{grid-template-columns:1fr;gap:28px}
  .qr-card{width:auto;max-width:180px;margin:0 auto}
  .download-actions{flex-direction:row;flex-wrap:wrap}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 36px}
  .section-head h2{font-size:24px}
  .download h2{font-size:24px}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.8}
  .container{padding:0 18px}
  .hero h1{font-size:28px}
  .hero-stats{gap:0}
  .hero-stats .stat{padding-right:18px;margin-right:18px}
  .hero-stats strong{font-size:22px}
  .value-side{grid-template-columns:1fr}
  .req-row{grid-template-columns:96px 1fr;gap:12px}
  .faq-q{font-size:16px;padding:18px 18px}
  .faq-a-inner{padding:0 18px 20px}
  .section-head{margin-bottom:28px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:40px 0 28px}
  .footer-bottom{flex-direction:column;gap:6px;padding:18px 0 24px}
}
@media (max-width:519px){
  .hero{padding:36px 0 52px}
  .hero h1{font-size:25px}
  .hero-actions .btn{width:100%}
  .hero-stats{margin-top:32px}
  .hero-stats .stat{margin-right:16px;padding-right:16px}
  .hero-stats strong{font-size:20px}
  .btn-lg{padding:14px 22px;font-size:15.5px}
  .section{padding:52px 0}
  .news-lead-body,.value-main-body{padding:18px 18px 20px}
  .news-mini{padding:16px 18px}
  .review-card{padding:18px 18px}
  .download-actions{flex-direction:column}
  .download-actions .btn{width:100%}
}

/* roulang page: article */
:root{
  --c-primary:#D9A441;
  --c-primary-hover:#C08C2C;
  --c-primary-soft:#F7E9C8;
  --c-ink:#1C2422;
  --c-ink-2:#4E5A56;
  --c-ink-3:#8A918C;
  --c-ceramic:#5C7A70;
  --c-accent:#B4453B;
  --c-bg:#FBF8F1;
  --c-surface:#FFFFFF;
  --c-surface-2:#F4EFE3;
  --c-deep:#16201E;
  --c-line:#E7E0D2;
  --c-line-strong:#D6CBB4;
  --c-ok:#3E7A6B;
  --c-warn:#C98A2E;
  --sh-1:0 1px 2px rgba(28,36,34,.04),0 8px 20px -12px rgba(28,36,34,.16);
  --sh-2:0 2px 4px rgba(28,36,34,.06),0 18px 40px -18px rgba(28,36,34,.24);
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --font-serif:'Noto Serif SC','Source Han Serif SC','Songti SC',serif;
  --font-sans:'Noto Sans SC','PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;margin:0;line-height:1.35;letter-spacing:.01em}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.1em;padding-left:1.3em}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
::selection{background:var(--c-primary-soft);color:var(--c-ink)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ===== 通用按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  line-height:1.2;border:1.5px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--c-primary);color:var(--c-ink)}
.btn-primary:hover{background:var(--c-primary-hover);transform:translateY(-1px);box-shadow:0 10px 20px -12px rgba(192,140,44,.95)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:#fff;color:var(--c-ceramic);border-color:var(--c-ceramic)}
.btn-ghost:hover{background:rgba(92,122,112,.1)}
.btn-ghost:active{transform:translateY(1px)}
.btn-outline-light{background:transparent;color:#FBF8F1;border-color:rgba(251,248,241,.45)}
.btn-outline-light:hover{background:rgba(251,248,241,.12);border-color:#FBF8F1}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:9px}
.btn-block{width:100%}
.link-btn{
  display:inline-flex;align-items:center;gap:6px;color:var(--c-ink);font-weight:600;
  border-bottom:2px solid var(--c-primary);padding-bottom:2px;
  transition:border-color .2s ease,color .2s ease;
}
.link-btn:hover{color:var(--c-primary-hover);border-bottom-width:3px}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,248,241,.9);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{display:flex;align-items:center;gap:26px;height:64px}
.brand{display:flex;align-items:center;gap:9px;flex-shrink:0}
.brand-mark{width:26px;height:26px;flex-shrink:0}
.brand-text{font-family:var(--font-serif);font-size:17px;font-weight:700;color:var(--c-ink);white-space:nowrap}
.brand-text .sep{color:var(--c-primary);margin:0 1px}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:6px}
.main-nav a{position:relative;font-size:15px;color:var(--c-ink-2);padding:6px 0;transition:color .18s ease;white-space:nowrap}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--c-primary);transition:width .18s ease;
}
.main-nav a:hover{color:var(--c-ink)}
.main-nav a:hover::after{width:100%}
.main-nav a.is-active{color:var(--c-ink);font-weight:600}
.main-nav a.is-active::before{
  content:"";position:absolute;left:-11px;top:50%;transform:translateY(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--c-primary);
}
.header-right{display:flex;align-items:center;gap:14px;margin-left:auto}
.nav-search{
  position:relative;display:flex;align-items:center;gap:8px;
  width:240px;height:38px;padding:0 10px;background:#fff;
  border:1px solid var(--c-line);border-radius:10px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(217,164,65,.16)}
.nav-search i{color:var(--c-ink-3);font-size:13px}
.nav-search input{flex:1;min-width:0;border:0;background:none;outline:none;font-size:13.5px;color:var(--c-ink);font-family:inherit}
.nav-search input::placeholder{color:var(--c-ink-3)}
.nav-search kbd{
  font-family:inherit;font-size:11px;color:var(--c-ink-3);background:var(--c-surface-2);
  border-radius:5px;padding:2px 5px;line-height:1.4;white-space:nowrap;
}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-ink);font-size:16px;
  transition:border-color .18s ease,color .18s ease;
}
.nav-toggle:hover{border-color:var(--c-line-strong);color:var(--c-primary-hover)}
.mobile-drawer{
  display:none;position:fixed;left:0;right:0;top:64px;bottom:0;z-index:55;
  background:#fff;padding:20px 18px 100px;overflow-y:auto;
  flex-direction:column;
}
.mobile-drawer.open{display:flex}
.mobile-drawer a.drawer-link{
  padding:15px 2px;font-family:var(--font-serif);font-size:18px;
  color:var(--c-ink);border-bottom:1px solid var(--c-line);
}
.mobile-drawer a.drawer-link.is-active{color:var(--c-primary-hover)}
.drawer-foot{margin-top:auto;padding-top:24px;display:flex;flex-direction:column;gap:12px}
.drawer-note{font-size:12.5px;color:var(--c-ink-3);line-height:1.7}

/* ===== 面包屑 ===== */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:12.5px;color:var(--c-ink-3);padding:22px 0 0;
}
.breadcrumb a{color:var(--c-ink-3);transition:color .18s ease}
.breadcrumb a:hover{color:var(--c-primary-hover)}
.breadcrumb .sep{color:var(--c-line-strong)}
.breadcrumb .current{
  color:var(--c-ink-2);max-width:520px;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap;
}

/* ===== 文章头部 ===== */
.article-head{padding:18px 0 0}
.post-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;padding:4px 12px;border-radius:999px;
  background:var(--c-primary-soft);color:#7A5A12;
}
.article-title{
  font-size:clamp(27px,3.4vw,38px);line-height:1.32;
  margin:16px 0 0;max-width:900px;
}
.post-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--c-ink-3);margin-top:16px;
}
.post-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--c-line-strong)}
.head-rule{height:1px;background:var(--c-line);margin:26px 0 0}

/* ===== 正文布局 ===== */
.article-layout{display:flex;flex-wrap:wrap;align-items:flex-start;gap:48px;padding:8px 0 0}
.article-main{flex:1 1 0;min-width:0;max-width:760px}
.article-aside{flex:0 0 300px;width:300px;position:sticky;top:88px}

.article-body{
  padding:30px 0 8px;
  font-size:17px;line-height:1.85;color:var(--c-ink);
}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  font-size:clamp(22px,2.4vw,27px);line-height:1.4;
  margin:2.4em 0 .9em;padding-left:15px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.3em;width:4px;height:1em;
  border-radius:2px;background:var(--c-primary);
}
.article-body h3{font-size:19px;line-height:1.5;margin:1.8em 0 .6em;color:var(--c-ink)}
.article-body h4{font-size:17px;margin:1.4em 0 .5em}
.article-body p{margin:0 0 1.15em;text-align:left}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:1.3em}
.article-body ul{list-style:none;padding-left:1.5em}
.article-body ul li{position:relative;margin-bottom:.45em}
.article-body ul li::before{
  content:"";position:absolute;left:-1.1em;top:.72em;
  width:6px;height:6px;border-radius:2px;background:var(--c-primary);
}
.article-body ol li{margin-bottom:.5em}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;background:var(--c-surface-2);
  border-left:3px solid var(--c-primary);border-radius:0 10px 10px 0;
  color:var(--c-ink-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:1.6em 0;width:100%;height:auto}
.article-body a{color:var(--c-primary-hover);border-bottom:1px solid rgba(192,140,44,.42)}
.article-body a:hover{border-bottom-color:var(--c-primary-hover)}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 12px;text-align:left}
.article-body th{background:var(--c-surface-2);font-weight:600}
.article-body strong{font-weight:600;color:var(--c-ink)}

/* ===== 空态 ===== */
.empty-state{
  padding:56px 24px;text-align:center;background:#fff;
  border:1px dashed var(--c-line-strong);border-radius:var(--r-card);
}
.empty-state .empty-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:56px;height:56px;border-radius:50%;background:var(--c-surface-2);
  color:var(--c-ink-3);font-size:22px;
}
.empty-state h2{
  font-size:20px;margin:16px 0 8px;padding:0;
}
.empty-state h2::before{display:none}
.empty-state p{color:var(--c-ink-2);font-size:15px;margin-bottom:20px}

/* ===== 侧栏 ===== */
.side-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:18px;box-shadow:var(--sh-1);margin-bottom:20px;
}
.side-card h3{
  font-size:16px;margin:0 0 12px;font-family:var(--font-serif);
  display:flex;align-items:center;gap:8px;
}
.side-card h3 i{color:var(--c-primary);font-size:13px}
.side-cover{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:10px;
  background:linear-gradient(135deg,#F4E4BB,#FBF8F1);
  margin-bottom:14px;
}
.side-card p.side-desc{font-size:13.5px;line-height:1.75;color:var(--c-ink-2);margin:0 0 14px}
.side-list{list-style:none;padding:0;margin:0}
.side-list li{border-bottom:1px solid var(--c-line)}
.side-list li:last-child{border-bottom:0}
.side-list a{
  display:flex;gap:10px;padding:11px 2px;font-size:14px;color:var(--c-ink-2);
  line-height:1.6;transition:color .18s ease;
}
.side-list a:hover{color:var(--c-primary-hover)}
.side-list .num{
  flex-shrink:0;width:18px;font-family:var(--font-serif);
  font-size:13px;color:var(--c-primary);text-align:center;
}
.side-tagbox{display:flex;flex-wrap:wrap;gap:8px}
.side-tagbox a{
  font-size:12.5px;padding:4px 11px;border-radius:999px;
  background:var(--c-surface-2);color:var(--c-ink-2);
  transition:background .18s ease,color .18s ease;
}
.side-tagbox a:hover{background:var(--c-primary-soft);color:#7A5A12}

/* ===== 相关推荐 ===== */
.related{padding:56px 0 0;border-top:1px solid var(--c-line);margin-top:52px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}
.section-head h2{font-size:clamp(22px,2.6vw,28px)}
.section-head p{margin:6px 0 0;font-size:14px;color:var(--c-ink-2)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.related-card{
  display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-line-strong)}
.related-card .thumb{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  background:linear-gradient(135deg,#F4E4BB,#FBF8F1);
}
.related-card .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.related-card h3{font-size:16.5px;line-height:1.55;font-family:var(--font-serif);font-weight:600}
.related-card:hover h3{color:var(--c-primary-hover)}
.related-card .meta{font-size:12.5px;color:var(--c-ink-3);margin-top:auto}
.back-row{display:flex;justify-content:center;padding:40px 0 0}

/* ===== 下载区 ===== */
.download-band{
  position:relative;background:var(--c-deep);color:#F3EFE6;
  margin-top:72px;padding:64px 0;overflow:hidden;
}
.download-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.16;filter:saturate(.6);
}
.download-band .container{position:relative;z-index:1}
.download-grid{display:grid;grid-template-columns:auto 1fr auto;gap:40px;align-items:center}
.qr-card{
  width:150px;background:#fff;border-radius:14px;padding:14px;
  box-shadow:var(--sh-2);text-align:center;
}
.qr-box{
  width:100%;aspect-ratio:1/1;border-radius:8px;
  background:
    repeating-linear-gradient(90deg,#1C2422 0 6px,transparent 6px 12px),
    repeating-linear-gradient(0deg,#1C2422 0 6px,transparent 6px 12px);
  background-blend-mode:multiply;
  opacity:.86;
  position:relative;
  overflow:hidden;
}
.qr-box::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:34px;height:34px;background:#fff;border-radius:6px;
  box-shadow:inset 0 0 0 5px #1C2422;
}
.qr-card span{display:block;margin-top:10px;font-size:12px;color:var(--c-ink-2)}
.download-info h2{font-size:clamp(22px,2.6vw,28px);color:#FBF8F1;margin-bottom:8px}
.download-info p{color:rgba(251,248,241,.7);font-size:14.5px;margin:0 0 18px;max-width:520px}
.spec-row{display:flex;flex-wrap:wrap;gap:28px}
.spec-item{display:flex;flex-direction:column;gap:2px}
.spec-item .k{font-size:12px;color:rgba(251,248,241,.5);letter-spacing:.04em}
.spec-item .v{font-size:15px;color:#FBF8F1;font-family:var(--font-serif);font-weight:600}
.download-actions{display:flex;flex-direction:column;gap:12px;min-width:180px}
.compliance{font-size:12px;color:rgba(251,248,241,.42);margin-top:18px;line-height:1.7}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-deep);color:rgba(251,248,241,.78);padding:56px 0 0;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:9px;margin-bottom:14px}
.footer-brand .brand-text{color:#FBF8F1;font-size:17px}
.footer-desc{color:rgba(251,248,241,.6);font-size:13.5px;line-height:1.8;margin:0;max-width:340px}
.footer-col h4{
  font-family:var(--font-sans);font-size:13px;font-weight:600;
  color:var(--c-primary);letter-spacing:.04em;margin:0 0 14px;
}
.footer-col a{display:block;padding:6px 0;color:rgba(251,248,241,.72);font-size:14px;transition:color .18s ease}
.footer-col a:hover{color:var(--c-primary)}
.footer-col p{color:rgba(251,248,241,.6);line-height:1.8;margin:0 0 10px;font-size:13.5px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(255,255,255,.12);margin-top:44px;
  padding:20px 0 28px;font-size:12px;color:rgba(251,248,241,.42);
}

/* ===== 动效 ===== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s ease-out,transform .32s ease-out}
.reveal.in-view{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
}

/* ===== 响应式 ===== */
@media (max-width:1099px){
  .article-aside{display:none}
  .article-main{max-width:100%}
  .article-layout{gap:0}
}
@media (max-width:991px){
  .main-nav{display:none}
  .nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:60px;gap:14px}
  .mobile-drawer{top:60px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .download-grid{grid-template-columns:auto 1fr;gap:32px}
  .download-actions{grid-column:1 / -1;flex-direction:row;min-width:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-col:first-child{grid-column:1 / -1}
  .footer-desc{max-width:100%}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.8}
  .container{padding:0 18px}
  .breadcrumb{padding-top:18px}
  .article-title{margin-top:14px}
  .article-body{font-size:16px;line-height:1.8;padding-top:24px}
  .article-body h2{margin-top:2em}
  .related{padding-top:44px;margin-top:40px}
  .related-grid{grid-template-columns:1fr}
  .download-band{padding:52px 0;margin-top:56px}
  .download-grid{grid-template-columns:1fr;gap:28px}
  .qr-card{width:132px}
  .download-actions{flex-direction:column}
  .download-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .section-head{flex-direction:column;align-items:flex-start;gap:6px}
}
@media (max-width:479px){
  .brand-text{font-size:15.5px}
  .brand-mark{width:23px;height:23px}
  .article-title{font-size:25px}
  .breadcrumb .current{max-width:240px}
  .spec-row{gap:18px}
  .qr-card{width:120px}
}

/* roulang page: category1 */
:root{
  --c-primary:#D9A441;
  --c-primary-hover:#C08C2C;
  --c-primary-soft:#F7E9C8;
  --c-ink:#1C2422;
  --c-ink-2:#4E5A56;
  --c-ink-3:#8A918C;
  --c-ceramic:#5C7A70;
  --c-accent:#B4453B;
  --c-bg:#FBF8F1;
  --c-surface:#FFFFFF;
  --c-surface-2:#F4EFE3;
  --c-deep:#16201E;
  --c-line:#E7E0D2;
  --c-line-strong:#D6CBB4;
  --c-ok:#3E7A6B;
  --c-warn:#C98A2E;
  --sh-1:0 1px 2px rgba(28,36,34,.04),0 8px 20px -12px rgba(28,36,34,.16);
  --sh-2:0 2px 4px rgba(28,36,34,.06),0 18px 40px -18px rgba(28,36,34,.24);
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --r-input:10px;
  --serif:'Noto Serif SC','Source Han Serif SC','Songti SC',serif;
  --sans:'Noto Sans SC','PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-ink);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-hover);}
button{font-family:inherit;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;color:var(--c-ink);margin:0;letter-spacing:.01em;}
p{margin:0 0 1.1em;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:12px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:500;line-height:1.2;border:1.5px solid transparent;cursor:pointer;transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;}
.btn-primary{background:var(--c-primary);color:var(--c-ink);border-color:var(--c-primary);}
.btn-primary:hover,.btn-primary:focus{background:var(--c-primary-hover);border-color:var(--c-primary-hover);color:var(--c-ink);box-shadow:var(--sh-1);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:var(--c-surface);color:var(--c-ceramic);border-color:var(--c-ceramic);}
.btn-ghost:hover,.btn-ghost:focus{background:rgba(92,122,112,.1);color:var(--c-ceramic);}
.btn-light{background:transparent;color:#FBF8F1;border-color:rgba(251,248,241,.5);}
.btn-light:hover,.btn-light:focus{background:rgba(251,248,241,.12);color:#fff;border-color:#FBF8F1;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;color:var(--c-ink);border-bottom:2px solid var(--c-primary);padding-bottom:2px;transition:border-width .2s ease,color .2s ease;}
.link-more:hover{border-bottom-color:var(--c-primary-hover);color:var(--c-primary-hover);}
.chip{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12.5px;line-height:1.6;background:var(--c-primary-soft);color:#7A5A12;}
.chip-ceramic{background:rgba(92,122,112,.12);color:#3F5A50;}

/* ============ Header ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(251,248,241,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--c-line);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:9px;flex-shrink:0;}
.brand-mark{width:26px;height:26px;flex-shrink:0;}
.brand-text{font-family:var(--serif);font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:.02em;white-space:nowrap;}
.brand-text .sep{color:var(--c-primary);margin:0 1px;}
.main-nav{display:flex;align-items:center;gap:26px;}
.main-nav a{position:relative;font-size:15px;color:var(--c-ink-2);padding:6px 0;white-space:nowrap;}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .18s ease;}
.main-nav a:hover{color:var(--c-ink);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--c-ink);font-weight:500;}
.main-nav a.is-active::before{content:"";display:inline-block;width:4px;height:4px;border-radius:50%;background:var(--c-primary);vertical-align:middle;margin-right:7px;position:relative;top:-1px;}
.main-nav a.is-active::after{transform:scaleX(1);}
.header-tools{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.cmd-search{display:flex;align-items:center;gap:8px;width:236px;height:38px;padding:0 10px 0 12px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-input);transition:border-color .2s ease,box-shadow .2s ease;}
.cmd-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(217,164,65,.16);}
.cmd-search i{color:var(--c-ink-3);font-size:13px;}
.cmd-search input{flex:1;min-width:0;border:0;background:transparent;font-family:var(--sans);font-size:13.5px;color:var(--c-ink);outline:none;height:100%;}
.cmd-search input::placeholder{color:var(--c-ink-3);}
.cmd-search kbd{font-family:var(--sans);font-size:11px;line-height:20px;height:20px;padding:0 6px;border-radius:6px;background:var(--c-surface-2);color:var(--c-ink-3);border:1px solid var(--c-line);}
.header-cta{height:38px;min-height:38px;padding:0 18px;font-size:14px;}
.nav-toggle{display:none;width:44px;height:44px;background:transparent;border:0;cursor:pointer;padding:0;align-items:center;justify-content:center;}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{display:block;width:20px;height:2px;background:var(--c-ink);border-radius:2px;position:relative;transition:transform .2s ease;}
.nav-toggle span::before{content:"";position:absolute;top:-6px;}
.nav-toggle span::after{content:"";position:absolute;top:6px;}
.mobile-drawer{position:fixed;left:0;right:0;top:64px;bottom:0;background:var(--c-surface);z-index:59;padding:12px 24px 96px;transform:translateX(101%);transition:transform .26s ease;overflow-y:auto;display:none;}
.mobile-drawer.is-open{transform:translateX(0);}
.mobile-drawer a{display:flex;align-items:center;min-height:52px;font-family:var(--serif);font-size:18px;color:var(--c-ink);border-bottom:1px solid var(--c-line);}
.mobile-drawer a.is-active{color:var(--c-primary-hover);}
.mobile-drawer a.is-active::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c-primary);margin-right:10px;}

/* ============ Breadcrumb ============ */
.crumb-bar{background:var(--c-bg);border-bottom:1px solid var(--c-line);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:14px 0;font-size:12.5px;color:var(--c-ink-3);}
.crumb a{color:var(--c-ink-3);}
.crumb a:hover{color:var(--c-primary-hover);}
.crumb .dot{color:var(--c-line-strong);}
.crumb .now{color:var(--c-ink-2);}

/* ============ Category hero ============ */
.cat-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--c-line);background:var(--c-bg);}
.cat-hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;transform:scale(1.02);}
.cat-hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(96deg,rgba(251,248,241,.97) 0%,rgba(251,248,241,.93) 46%,rgba(251,248,241,.45) 100%);}
.cat-hero-inner{position:relative;z-index:2;padding:52px 0 48px;min-height:280px;display:flex;flex-direction:column;justify-content:center;}
.cat-hero h1{font-size:40px;line-height:1.28;letter-spacing:.02em;max-width:16em;}
.cat-hero h1 .hl{display:block;font-size:15px;font-family:var(--sans);font-weight:500;letter-spacing:.16em;color:var(--c-primary-hover);margin-bottom:12px;text-transform:uppercase;}
.cat-lede{max-width:660px;margin:18px 0 0;color:var(--c-ink-2);font-size:16.5px;line-height:1.85;}
.filter-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:26px;}
.filter-row .filter-label{font-size:13px;color:var(--c-ink-3);margin-right:2px;}
.filter-chip{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:0 18px;border-radius:999px;background:var(--c-surface);border:1px solid var(--c-line);color:var(--c-ink-2);font-size:14px;cursor:pointer;transition:all .2s ease;}
.filter-chip:hover{border-color:var(--c-line-strong);color:var(--c-ink);}
.filter-chip.is-on{background:var(--c-primary);border-color:var(--c-primary);color:var(--c-ink);font-weight:500;}
.filter-count{margin-left:auto;font-size:13px;color:var(--c-ink-3);}

/* ============ Section base ============ */
.section{padding:72px 0;}
.section-tight{padding:56px 0;}
.section-alt{background:var(--c-surface-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px;}
.sec-head h2{font-size:28px;line-height:1.35;}
.sec-head .sec-sub{margin:10px 0 0;font-size:15px;color:var(--c-ink-2);max-width:640px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;color:var(--c-primary-hover);margin-bottom:10px;}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--c-primary);border-radius:2px;}

/* ============ Poster grid ============ */
.poster-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.poster-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.poster-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-line-strong);}
.poster-card.is-hidden{display:none;}
.poster-link{display:block;padding:14px 14px 16px;}
.poster-media{position:relative;border-radius:var(--r-img);overflow:hidden;aspect-ratio:3/4;background:linear-gradient(150deg,#EFDCA9 0%,#FBF8F1 78%);}
.poster-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.poster-card:hover .poster-media img{transform:scale(1.03);}
.poster-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(22,32,30,0) 62%,rgba(22,32,30,.35) 100%);}
.poster-badge{position:absolute;top:10px;right:10px;z-index:2;display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:24px;padding:0 9px;border-radius:999px;font-size:11.5px;line-height:1;font-weight:500;}
.badge-hot{background:var(--c-accent);color:#fff;}
.badge-new{background:rgba(92,122,112,.92);color:#fff;}
.badge-done{background:rgba(251,248,241,.94);color:#7A5A12;border:1px solid var(--c-line-strong);}
.poster-title{font-family:var(--serif);font-size:16px;font-weight:600;line-height:1.5;margin:14px 0 4px;color:var(--c-ink);}
.poster-card:hover .poster-title{color:var(--c-primary-hover);}
.poster-meta{font-size:12.5px;color:var(--c-ink-3);margin:0;line-height:1.6;}
.poster-tag{display:inline-block;margin-top:10px;font-size:11.5px;color:#3F5A50;background:rgba(92,122,112,.1);padding:2px 8px;border-radius:999px;}

/* ============ Pager ============ */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:40px;flex-wrap:wrap;}
.pager a,.pager span.pg{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:38px;padding:0 12px;border-radius:var(--r-btn);border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink-2);font-size:14px;transition:all .2s ease;}
.pager a:hover{border-color:var(--c-primary);color:var(--c-ink);background:var(--c-primary-soft);}
.pager .pg.is-current{background:var(--c-primary);border-color:var(--c-primary);color:var(--c-ink);font-weight:600;}
.pager .pg-gap{border:0;background:transparent;color:var(--c-ink-3);}
.pager .pg-tip{width:100%;text-align:center;font-size:12.5px;color:var(--c-ink-3);border:0;background:transparent;height:auto;margin-top:6px;}

/* ============ Spotlight ============ */
.spotlight{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:32px;align-items:stretch;}
.spotlight-media{position:relative;border-radius:var(--r-card);overflow:hidden;aspect-ratio:16/10;box-shadow:var(--sh-1);background:linear-gradient(150deg,#EFDCA9,#FBF8F1);}
.spotlight-media img{width:100%;height:100%;object-fit:cover;}
.spotlight-media .spot-label{position:absolute;left:16px;top:16px;background:rgba(251,248,241,.94);color:#7A5A12;border-radius:999px;padding:5px 12px;font-size:12.5px;}
.spotlight-body{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px;display:flex;flex-direction:column;justify-content:center;box-shadow:var(--sh-1);}
.spotlight-body h2{font-size:24px;line-height:1.4;margin-bottom:12px;}
.spotlight-body p{font-size:15px;color:var(--c-ink-2);line-height:1.85;margin-bottom:18px;}
.spot-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;border-top:1px solid var(--c-line);padding-top:18px;margin-bottom:22px;}
.spot-facts div{display:flex;flex-direction:column;gap:2px;}
.spot-facts .fv{font-family:var(--serif);font-size:22px;font-weight:700;color:var(--c-ink);line-height:1.2;}
.spot-facts .fl{font-size:12.5px;color:var(--c-ink-3);}

/* ============ Route / nodes ============ */
.route-wrap{position:relative;}
.route-line{position:absolute;left:0;right:0;top:26px;height:2px;background:var(--c-line);border-radius:2px;overflow:hidden;}
.route-line span{display:block;height:100%;width:63%;background:var(--c-primary);border-radius:2px;}
.route-grid{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.route-node{padding-top:0;}
.route-dot{width:54px;height:54px;border-radius:50%;background:var(--c-surface);border:2px solid var(--c-primary);display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:15px;font-weight:700;color:var(--c-primary-hover);position:relative;z-index:2;margin-bottom:18px;}
.route-node h3{font-size:18px;margin-bottom:8px;}
.route-node p{font-size:14px;color:var(--c-ink-2);line-height:1.8;margin:0;}

/* ============ Genre tags ============ */
.tagcloud{display:flex;flex-wrap:wrap;gap:12px;}
.tagcloud a{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 18px;border-radius:999px;background:var(--c-surface);border:1px solid var(--c-line);font-size:14.5px;color:var(--c-ink-2);transition:all .2s ease;}
.tagcloud a:hover{border-color:var(--c-primary);background:var(--c-primary-soft);color:var(--c-ink);transform:translateY(-2px);}
.tagcloud a .num{font-size:12.5px;color:var(--c-ink-3);}

/* ============ FAQ ============ */
.faq-list{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);}
.faq-item + .faq-item{border-top:1px solid var(--c-line);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;background:transparent;border:0;text-align:left;font-family:var(--sans);font-size:17px;color:var(--c-ink);cursor:pointer;line-height:1.6;transition:background-color .2s ease;}
.faq-q:hover{background:var(--c-surface-2);}
.faq-sign{flex-shrink:0;width:28px;height:28px;border-radius:50%;border:1.5px solid var(--c-primary);color:var(--c-primary-hover);display:flex;align-items:center;justify-content:center;font-size:16px;line-height:1;transition:transform .22s ease,background-color .22s ease;}
.faq-item.is-open .faq-sign{background:var(--c-primary-soft);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--c-ink-2);}

/* ============ Download CTA ============ */
.download-section{background:var(--c-deep);color:#FBF8F1;padding:72px 0;}
.download-section .eyebrow{color:var(--c-primary);}
.download-section h2{color:#FBF8F1;font-size:28px;line-height:1.35;}
.download-section p{color:rgba(251,248,241,.72);}
.dl-grid{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:40px;align-items:center;margin-top:32px;}
.qr-card{background:#FBF8F1;border-radius:var(--r-card);padding:14px;width:158px;box-shadow:var(--sh-2);}
.qr-box{aspect-ratio:1;border-radius:10px;background:repeating-linear-gradient(45deg,#E9DFC6 0 6px,#F4EFE3 6px 12px);display:flex;align-items:center;justify-content:center;text-align:center;font-size:12px;color:#7A5A12;line-height:1.5;padding:8px;}
.qr-card .qr-cap{display:block;text-align:center;font-size:12px;color:#7A5A12;margin-top:9px;}
.dl-info{display:flex;flex-direction:column;gap:12px;}
.dl-row{display:flex;align-items:baseline;gap:14px;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:10px;}
.dl-row .k{width:88px;flex-shrink:0;font-size:13px;color:rgba(251,248,241,.55);}
.dl-row .v{font-size:15px;color:#FBF8F1;}
.dl-actions{display:flex;flex-direction:column;gap:12px;min-width:200px;}
.dl-note{margin-top:26px;font-size:12.5px;color:rgba(251,248,241,.5);border-top:1px solid rgba(255,255,255,.12);padding-top:16px;}

/* ============ Cross links ============ */
.cross-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.cross-card{display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.cross-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-line-strong);}
.cross-card .cc-icon{width:40px;height:40px;border-radius:12px;background:var(--c-primary-soft);color:#7A5A12;display:flex;align-items:center;justify-content:center;font-size:16px;margin-bottom:16px;}
.cross-card h3{font-size:18px;margin-bottom:8px;}
.cross-card p{font-size:14px;color:var(--c-ink-2);line-height:1.75;margin:0 0 12px;}
.cross-card .cc-more{font-size:13.5px;color:var(--c-primary-hover);display:inline-flex;align-items:center;gap:6px;}

/* ============ Footer ============ */
.site-footer{background:var(--c-deep);color:rgba(251,248,241,.72);padding:64px 0 28px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text{color:#FBF8F1;}
.footer-desc{font-size:13.5px;line-height:1.85;color:rgba(251,248,241,.62);margin:0;}
.footer-col h4{font-family:var(--sans);font-size:13px;font-weight:600;color:var(--c-primary);letter-spacing:.06em;margin-bottom:16px;}
.footer-col a{display:block;color:rgba(251,248,241,.72);font-size:14px;padding:5px 0;transition:color .2s ease;}
.footer-col a:hover{color:#FBF8F1;}
.footer-col p{font-size:13.5px;line-height:1.85;color:rgba(251,248,241,.6);margin:0 0 10px;}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;font-size:12px;color:rgba(251,248,241,.45);}

/* ============ Mobile sticky bar ============ */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:55;display:none;align-items:center;justify-content:space-between;gap:12px;padding:8px 18px calc(8px + env(safe-area-inset-bottom));background:var(--c-primary);color:var(--c-ink);transform:translateY(110%);transition:transform .25s ease;box-shadow:0 -6px 20px -12px rgba(28,36,34,.4);}
.mobile-bar.is-show{transform:translateY(0);}
.mobile-bar span{font-size:13.5px;font-weight:500;}
.mobile-bar .btn{min-height:40px;padding:0 18px;font-size:14px;background:var(--c-deep);color:#FBF8F1;border-color:var(--c-deep);}

/* ============ Reveal ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s ease-out,transform .32s ease-out;}
.reveal.is-in{opacity:1;transform:none;}

/* ============ Responsive ============ */
@media (max-width:1199px){
  .poster-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .cat-hero h1{font-size:36px;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .cmd-search{display:none;}
  .nav-toggle{display:flex;}
  .mobile-drawer{display:block;}
  .header-cta{display:none;}
  .section{padding:56px 0;}
  .split,.spotlight{grid-template-columns:1fr;}
  .spotlight-media{aspect-ratio:16/9;}
  .route-grid{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:32px;}
  .route-line{display:none;}
  .dl-grid{grid-template-columns:1fr;gap:28px;}
  .dl-actions{flex-direction:row;flex-wrap:wrap;}
  .cross-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .mobile-bar{display:flex;}
  .cat-hero-inner{padding:40px 0;min-height:0;}
  .cat-hero h1{font-size:30px;}
  .cat-lede{font-size:15.5px;}
  .filter-count{margin-left:0;width:100%;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .poster-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
  .poster-link{padding:10px 10px 14px;}
  .poster-title{font-size:15px;}
  .cat-hero h1{font-size:26px;}
  .sec-head h2{font-size:23px;}
  .download-section{padding:52px 0;}
  .download-section h2{font-size:23px;}
  .spotlight-body{padding:22px;}
  .spot-facts{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;}
  .spot-facts .fv{font-size:19px;}
  .faq-q{font-size:15.5px;padding:17px 18px;}
  .faq-a-inner{padding:0 18px 18px;font-size:14.5px;}
  .download-section .dl-actions .btn{width:100%;}
  .footer-bottom{font-size:11.5px;}
}
@media (max-width:479px){
  .route-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .brand-text{font-size:15.5px;}
  .poster-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
  .cat-hero h1{font-size:23px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important;}
  .reveal{opacity:1;transform:none;}
}
/* Foundation overrides */
.button,.button.primary,.button.secondary{background:var(--c-primary);color:var(--c-ink);border-radius:var(--r-btn);font-family:var(--sans);}
.accordion,.accordion-item,.accordion-title,.accordion-content{background:transparent;border:0;color:inherit;}
table{border-collapse:collapse;}

/* roulang page: category3 */
:root{
  --c-primary:#D9A441;
  --c-primary-hover:#C08C2C;
  --c-primary-soft:#F7E9C8;
  --c-ink:#1C2422;
  --c-ink-2:#4E5A56;
  --c-ink-3:#8A918C;
  --c-ceramic:#5C7A70;
  --c-accent:#B4453B;
  --c-bg:#FBF8F1;
  --c-surface:#FFFFFF;
  --c-surface-2:#F4EFE3;
  --c-deep:#16201E;
  --c-line:#E7E0D2;
  --c-line-strong:#D6CBB4;
  --c-ok:#3E7A6B;
  --c-warn:#C98A2E;
  --sh-1:0 1px 2px rgba(28,36,34,.04),0 8px 20px -12px rgba(28,36,34,.16);
  --sh-2:0 2px 4px rgba(28,36,34,.06),0 18px 40px -18px rgba(28,36,34,.24);
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --font-serif:'Noto Serif SC','Source Han Serif SC','Songti SC',serif;
  --font-sans:'Noto Sans SC','PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-ink);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:var(--c-primary-hover);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:600;letter-spacing:.01em;line-height:1.35;color:var(--c-ink);}
h1{font-size:44px;line-height:1.25;}
h2{font-size:30px;line-height:1.35;}
h3{font-size:21px;line-height:1.5;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,248,241,.9);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
}
.nav-inner{
  display:flex;align-items:center;gap:22px;
  height:64px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:26px;height:26px;flex:0 0 26px;}
.brand-text{
  font-family:var(--font-serif);
  font-size:17px;font-weight:700;letter-spacing:.02em;
  color:var(--c-ink);
  white-space:nowrap;
}
.brand-text .sep{color:var(--c-primary);margin:0 1px;}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:8px;}
.main-nav a{
  position:relative;
  font-size:15px;color:var(--c-ink-2);
  padding:6px 0;
  white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--c-primary);transition:width .18s ease;
}
.main-nav a:hover{color:var(--c-ink);}
.main-nav a:hover::after{width:100%;}
.main-nav a.is-active{color:var(--c-ink);font-weight:500;}
.main-nav a.is-active::before{
  content:"";display:inline-block;width:4px;height:4px;border-radius:50%;
  background:var(--c-primary);margin-right:7px;vertical-align:2px;
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:240px;height:38px;padding:0 10px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(217,164,65,.18);}
.nav-search svg{flex:0 0 15px;color:var(--c-ink-3);}
.nav-search input{
  flex:1 1 auto;border:0;outline:none;background:transparent;
  font-size:14px;color:var(--c-ink);height:100%;
}
.nav-search input::placeholder{color:var(--c-ink-3);}
kbd.kbd{
  flex:0 0 auto;
  font-family:var(--font-sans);font-size:11px;line-height:1;
  color:var(--c-ink-2);background:var(--c-surface-2);
  border:1px solid var(--c-line);border-radius:5px;
  padding:3px 5px;height:20px;display:inline-flex;align-items:center;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-sans);font-size:15px;font-weight:500;
  padding:13px 26px;border-radius:var(--r-btn);border:1.5px solid transparent;
  cursor:pointer;transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  text-align:center;line-height:1.2;
}
.btn-primary{background:var(--c-primary);color:var(--c-ink);box-shadow:0 1px 2px rgba(28,36,34,.08);}
.btn-primary:hover{background:var(--c-primary-hover);color:var(--c-ink);transform:translateY(-1px);box-shadow:0 6px 14px -8px rgba(28,36,34,.45);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:var(--c-surface);color:var(--c-ceramic);border-color:var(--c-ceramic);}
.btn-ghost:hover{background:rgba(92,122,112,.1);color:var(--c-ceramic);}
.btn-ghost:active{transform:translateY(1px);}
.btn-outline-light{background:transparent;color:#FBF8F1;border-color:rgba(251,248,241,.55);}
.btn-outline-light:hover{background:rgba(251,248,241,.12);color:#fff;border-color:#FBF8F1;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;color:var(--c-ink);
  border-bottom:2px solid var(--c-primary);padding-bottom:2px;
  transition:border-width .2s ease,color .2s ease;
}
.btn-text:hover{color:var(--c-primary-hover);border-bottom-width:3px;}
.nav-cta{height:38px;padding:0 18px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;
  align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--c-line);border-radius:var(--r-btn);
  cursor:pointer;color:var(--c-ink);
}
.mobile-drawer{
  display:none;position:fixed;inset:0;z-index:90;
  background:var(--c-surface);
  flex-direction:column;
  padding:16px 20px calc(84px + env(safe-area-inset-bottom));
  overflow-y:auto;
}
.mobile-drawer.is-open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:52px;margin-bottom:8px;}
.drawer-close{width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:transparent;cursor:pointer;color:var(--c-ink);}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px;}
.drawer-nav a{
  height:52px;display:flex;align-items:center;
  font-family:var(--font-serif);font-size:18px;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.drawer-nav a.is-active{color:var(--c-primary-hover);}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;margin-top:18px;padding:0 12px;
  border:1px solid var(--c-line);border-radius:var(--r-btn);background:var(--c-surface-2);
}
.drawer-search input{border:0;background:transparent;outline:none;flex:1;font-size:15px;color:var(--c-ink);}
.drawer-cta{position:sticky;bottom:0;margin-top:auto;padding-top:16px;}
.drawer-cta .btn{width:100%;}

/* ---------- breadcrumb ---------- */
.breadcrumb{
  padding:18px 0 0;
  font-size:12.5px;color:var(--c-ink-3);
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
}
.breadcrumb a{color:var(--c-ink-3);}
.breadcrumb a:hover{color:var(--c-primary-hover);}
.breadcrumb .divider{color:var(--c-line-strong);}
.breadcrumb .current{color:var(--c-ink-2);}

/* ---------- page hero ---------- */
.page-hero{position:relative;padding:34px 0 0;}
.hero-banner{
  position:relative;overflow:hidden;
  border-radius:var(--r-card);
  border:1px solid var(--c-line);
  background:linear-gradient(135deg,#F7E9C8 0%,#FBF8F1 62%);
  min-height:280px;
  display:flex;align-items:center;
  box-shadow:var(--sh-1);
}
.hero-banner img.hero-bg{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;opacity:.28;
  filter:saturate(.9);
}
.hero-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(251,248,241,.96) 0%,rgba(251,248,241,.86) 46%,rgba(247,233,200,.35) 100%);
}
.hero-content{position:relative;z-index:2;padding:36px 40px;max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.06em;color:#7A5A12;
  background:var(--c-primary-soft);
  border-radius:999px;padding:4px 12px;margin-bottom:16px;
  font-weight:500;
}
.eyebrow .dot{width:5px;height:5px;border-radius:50%;background:var(--c-primary-hover);}
.page-hero h1{margin-bottom:14px;max-width:16em;}
.hero-desc{
  font-size:16.5px;line-height:1.85;color:var(--c-ink-2);
  max-width:34em;margin-bottom:22px;
}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;
  font-size:13px;color:var(--c-ink-2);
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:999px;padding:6px 14px;
  transition:border-color .2s ease,background-color .2s ease,color .2s ease;
}
.chip:hover{border-color:var(--c-line-strong);color:var(--c-ink);}
.chip.is-active{background:var(--c-primary-soft);border-color:var(--c-primary);color:#7A5A12;font-weight:500;}

/* ---------- sections ---------- */
.section{padding:80px 0 0;}
.section-head{margin-bottom:34px;max-width:640px;}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--c-ink-2);font-size:16px;line-height:1.8;margin:0;}
.section-head .head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}

/* ---------- highlight cards ---------- */
.highlight-grid{
  display:grid;
  grid-template-columns:1.25fr 1fr;
  gap:24px;
  align-items:stretch;
}
.card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-line-strong);}
.feature-card{display:flex;flex-direction:column;padding:0;overflow:hidden;}
.feature-card .media{
  position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;
  border-radius:var(--r-card) var(--r-card) 0 0;
  background:linear-gradient(140deg,#F7E9C8,#FBF8F1);
}
.feature-card .media img{width:100%;height:100%;object-fit:cover;}
.feature-card .body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.feature-card h3{font-size:21px;}
.feature-card p{color:var(--c-ink-2);font-size:15px;line-height:1.8;margin:0;}
.feature-card .btn-text{margin-top:auto;align-self:flex-start;padding-top:6px;}
.mini-stack{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.mini-card{display:flex;gap:16px;align-items:flex-start;}
.icon-chip{
  flex:0 0 44px;width:44px;height:44px;border-radius:12px;
  background:rgba(92,122,112,.12);
  display:flex;align-items:center;justify-content:center;
  color:var(--c-ceramic);
}
.mini-card h3{font-size:17px;margin-bottom:6px;}
.mini-card p{font-size:14px;line-height:1.75;color:var(--c-ink-2);margin:0;}

/* ---------- route timeline ---------- */
.route-wrap{
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  background:var(--c-surface);
  padding:34px 34px 10px;
  box-shadow:var(--sh-1);
}
.route-progress{
  height:6px;border-radius:999px;background:var(--c-surface-2);
  overflow:hidden;margin-bottom:30px;
}
.route-progress span{display:block;height:100%;width:100%;background:linear-gradient(90deg,var(--c-primary),var(--c-primary-hover));border-radius:999px;}
.route-list{position:relative;padding-left:64px;}
.route-list::before{
  content:"";position:absolute;left:20px;top:8px;bottom:26px;width:2px;background:var(--c-line);
}
.route-item{position:relative;padding-bottom:32px;}
.route-node{
  position:absolute;left:-64px;top:0;
  width:42px;height:42px;border-radius:50%;
  background:var(--c-primary);color:var(--c-ink);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-size:15px;font-weight:700;
  border:4px solid var(--c-surface);
  box-shadow:0 0 0 2px var(--c-line);
}
.route-item h3{font-size:19px;margin-bottom:8px;}
.route-item p{color:var(--c-ink-2);font-size:15px;line-height:1.8;margin:0 0 10px;max-width:60ch;}
.route-meta{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;
  font-size:12.5px;color:#7A5A12;
  background:var(--c-primary-soft);
  border-radius:999px;padding:3px 10px;
}
.tag.tag-ceramic{background:rgba(92,122,112,.12);color:#3F5A51;}
.tag.tag-hot{background:var(--c-accent);color:#fff;}

/* ---------- scenario checklist ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.scene-card{display:flex;flex-direction:column;gap:14px;}
.scene-card .scene-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.scene-card h3{font-size:18px;}
.scene-card .scene-desc{font-size:14.5px;color:var(--c-ink-2);line-height:1.8;margin:0;}
.task-list{display:flex;flex-direction:column;gap:10px;margin-top:auto;}
.task-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;line-height:1.7;color:var(--c-ink-2);
}
.task-list .tick{
  flex:0 0 18px;width:18px;height:18px;margin-top:3px;border-radius:6px;
  background:var(--c-primary-soft);color:#7A5A12;
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;
}

/* ---------- stat strip ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
  background:var(--c-surface-2);
  border-radius:var(--r-card);
  padding:8px 0;
}
.stat-item{padding:22px 24px;border-right:1px solid var(--c-line);}
.stat-item:last-child{border-right:0;}
.stat-num{font-family:var(--font-serif);font-size:32px;font-weight:700;color:var(--c-ink);line-height:1.2;}
.stat-num span{font-size:15px;font-family:var(--font-sans);font-weight:500;color:var(--c-ink-2);margin-left:4px;}
.stat-label{font-size:13px;color:var(--c-ink-3);margin-top:4px;}

/* ---------- faq ---------- */
.faq{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  padding:20px 24px;font-size:17px;color:var(--c-ink);font-family:var(--font-sans);
  transition:background-color .2s ease;
}
.faq-q:hover{background:var(--c-surface-2);}
.faq-q .q-text{flex:1 1 auto;line-height:1.6;font-weight:500;}
.faq-icon{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  border:1.5px solid var(--c-primary);color:var(--c-primary-hover);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;line-height:1;transition:transform .22s ease,background-color .22s ease;
}
.faq-item.is-open .faq-icon{background:var(--c-primary-soft);transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .22s ease;
}
.faq-a .faq-inner{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--c-ink-2);max-width:70ch;}
@media (prefers-reduced-motion:reduce){
  .faq-a{transition:none;}
  .faq-icon{transition:none;}
  .card{transition:none;}
  .reveal{transition:none;transform:none;opacity:1;}
}

/* ---------- cross links ---------- */
.cross-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.cross-card{
  display:block;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.cross-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-line-strong);}
.cross-card .cross-kicker{font-size:12.5px;color:var(--c-ink-3);margin-bottom:8px;display:block;}
.cross-card h3{font-size:17px;margin-bottom:8px;}
.cross-card:hover h3{color:var(--c-primary-hover);}
.cross-card p{font-size:14px;color:var(--c-ink-2);line-height:1.75;margin:0;}

/* ---------- download band ---------- */
.download-band{
  margin-top:80px;
  background:var(--c-deep);
  color:#F2EEE4;
  border-radius:var(--r-card) var(--r-card) 0 0;
  padding:56px 0;
}
.download-grid{display:grid;grid-template-columns:auto 1fr auto;gap:36px;align-items:center;}
.qr-card{
  width:150px;height:150px;border-radius:var(--r-img);
  background:var(--c-surface);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);flex:0 0 auto;
  padding:12px;
}
.qr-card img{width:100%;height:100%;object-fit:cover;border-radius:8px;}
.download-info h2{color:#FBF8F1;font-size:26px;margin-bottom:10px;}
.download-info p{color:rgba(251,248,241,.72);font-size:15px;line-height:1.8;margin-bottom:16px;max-width:46ch;}
.spec-rows{display:grid;grid-template-columns:repeat(3,auto);gap:10px 32px;}
.spec-row{display:flex;align-items:baseline;gap:8px;font-size:13.5px;}
.spec-row dt{color:rgba(251,248,241,.55);}
.spec-row dd{margin:0;color:#FBF8F1;}
.download-actions{display:flex;flex-direction:column;gap:12px;flex:0 0 auto;}
.download-note{
  margin-top:26px;padding-top:18px;
  border-top:1px solid rgba(251,248,241,.14);
  font-size:12.5px;color:rgba(251,248,241,.5);line-height:1.7;
}

/* ---------- footer ---------- */
.site-footer{background:var(--c-deep);color:#F2EEE4;padding:56px 0 26px;border-top:1px solid rgba(251,248,241,.08);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{width:26px;height:26px;}
.footer-brand .brand-text{color:#FBF8F1;font-family:var(--font-serif);font-size:17px;font-weight:700;}
.footer-brand .sep{color:var(--c-primary);}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(251,248,241,.62);margin:0;max-width:34ch;}
.footer-col h4{font-size:13px;color:var(--c-primary);margin-bottom:14px;font-family:var(--font-sans);letter-spacing:.04em;}
.footer-col a{display:block;font-size:14px;color:rgba(251,248,241,.72);padding:5px 0;transition:color .2s ease;}
.footer-col a:hover{color:#FBF8F1;}
.footer-col p{font-size:13.5px;line-height:1.8;color:rgba(251,248,241,.6);margin:0 0 10px;}
.footer-bottom{
  margin-top:38px;padding-top:18px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(251,248,241,.45);
}

/* ---------- mobile download bar ---------- */
.mobile-download-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:none;align-items:center;justify-content:space-between;gap:14px;
  height:56px;padding:0 16px calc(0px + env(safe-area-inset-bottom));
  background:var(--c-primary);
  transform:translateY(120%);
  transition:transform .26s ease;
}
.mobile-download-bar.is-visible{transform:translateY(0);}
.mobile-download-bar span{font-size:14px;color:var(--c-ink);font-weight:500;}
.mobile-download-bar a{
  background:var(--c-ink);color:#FBF8F1;font-size:13.5px;
  padding:9px 16px;border-radius:var(--r-btn);
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .3s ease-out,transform .3s ease-out;}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media screen and (max-width:1199px){
  .container{padding:0 24px;}
  h1{font-size:38px;}
  .hero-content{padding:32px;}
}
@media screen and (max-width:991px){
  .main-nav{margin-left:0;gap:18px;}
  .main-nav a{font-size:14px;}
  .nav-search{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-inner{gap:14px;}
  h1{font-size:32px;line-height:1.3;}
  h2{font-size:26px;}
  .highlight-grid{grid-template-columns:1fr;}
  .mini-stack{grid-template-rows:auto auto;}
  .scene-grid{grid-template-columns:1fr 1fr;}
  .cross-grid{grid-template-columns:1fr 1fr;}
  .stat-strip{grid-template-columns:1fr 1fr;}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--c-line);}
  .download-grid{grid-template-columns:1fr;gap:24px;text-align:left;}
  .qr-card{width:120px;height:120px;}
  .download-actions{flex-direction:row;flex-wrap:wrap;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .mobile-download-bar{display:flex;}
  .section{padding:56px 0 0;}
  .download-band{margin-top:56px;padding:44px 0 40px;}
}
@media screen and (max-width:767px){
  body{font-size:16px;line-height:1.8;}
  .container{padding:0 18px;}
  h1{font-size:27px;line-height:1.32;}
  h2{font-size:23px;}
  h3{font-size:18px;}
  .hero-banner{min-height:0;}
  .hero-content{padding:26px 22px;}
  .hero-desc{font-size:15.5px;}
  .route-wrap{padding:24px 20px 6px;}
  .route-list{padding-left:52px;}
  .route-list::before{left:15px;}
  .route-node{left:-52px;width:34px;height:34px;font-size:13px;border-width:3px;}
  .scene-grid{grid-template-columns:1fr;}
  .cross-grid{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr 1fr;}
  .stat-item{padding:16px 16px;}
  .stat-num{font-size:26px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .faq-q{padding:16px 18px;font-size:16px;}
  .faq-a .faq-inner{padding:0 18px 18px;}
  .download-actions{flex-direction:column;}
  .download-actions .btn{width:100%;}
  .spec-rows{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .mobile-download-bar{height:56px;}
  body{padding-bottom:56px;}
}
@media screen and (max-width:479px){
  .brand-text{font-size:15px;}
  .page-hero h1{font-size:24px;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-item{border-right:0;border-bottom:1px solid var(--c-line);}
  .stat-item:last-child{border-bottom:0;}
}

/* roulang page: category2 */
:root{
  --c-primary:#D9A441;
  --c-primary-hover:#C08C2C;
  --c-primary-soft:#F7E9C8;
  --c-ink:#1C2422;
  --c-ink-2:#4E5A56;
  --c-ink-3:#8A918C;
  --c-ceramic:#5C7A70;
  --c-accent:#B4453B;
  --c-bg:#FBF8F1;
  --c-surface:#FFFFFF;
  --c-surface-2:#F4EFE3;
  --c-deep:#16201E;
  --c-line:#E7E0D2;
  --c-line-strong:#D6CBB4;
  --c-ok:#3E7A6B;
  --c-warn:#C98A2E;
  --sh-1:0 1px 2px rgba(28,36,34,.04),0 8px 20px -12px rgba(28,36,34,.16);
  --sh-2:0 2px 4px rgba(28,36,34,.06),0 18px 40px -18px rgba(28,36,34,.24);
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --container:1200px;
  --font-serif:'Noto Serif SC','Source Han Serif SC','Songti SC',serif;
  --font-sans:'Noto Sans SC','PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-primary-hover)}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;letter-spacing:.01em;margin:0;color:var(--c-ink);line-height:1.35}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0;list-style:none}
input,button,select,textarea{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-alt{background:var(--c-surface-2)}
.section-head{max-width:780px;margin-bottom:48px}
.eyebrow{display:inline-block;font-size:12.5px;letter-spacing:.08em;color:var(--c-ceramic);margin-bottom:12px;font-weight:500}
.section-head h2{font-size:30px;line-height:1.35}
.section-head p{margin:14px 0 0;font-size:16px;line-height:1.8;color:var(--c-ink-2)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:500;line-height:1;
  padding:13px 26px;min-height:44px;
  border-radius:var(--r-btn);border:1.5px solid transparent;
  background:none;color:var(--c-ink);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.btn-primary{background:var(--c-primary);border-color:var(--c-primary);color:var(--c-ink);box-shadow:0 1px 0 rgba(28,36,34,.06)}
.btn-primary:hover{background:var(--c-primary-hover);border-color:var(--c-primary-hover);color:var(--c-ink);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:#fff;color:var(--c-ceramic);border-color:var(--c-ceramic)}
.btn-ghost:hover{background:rgba(92,122,112,.1);color:var(--c-ceramic);border-color:var(--c-ceramic)}
.btn-sm{padding:9px 18px;font-size:14px;min-height:38px;border-radius:9px}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;color:var(--c-ink);background:none;border:0;padding:0 0 2px;
  border-bottom:2px solid var(--c-primary);transition:border-color .18s ease,color .18s ease;
}
.btn-link:hover{color:var(--c-primary-hover);border-bottom-width:3px;border-color:var(--c-primary-hover)}

/* ---------- 徽章 ---------- */
.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12.5px;background:var(--c-primary-soft);color:#7A5A12;line-height:1.6}
.chip-ceramic{background:rgba(92,122,112,.12);color:var(--c-ceramic)}
.chip-accent{background:var(--c-accent);color:#fff}
.chip-on-dark{background:rgba(217,164,65,.16);color:#F2D79A;border:1px solid rgba(217,164,65,.34)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(251,248,241,.88);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{display:flex;align-items:center;gap:22px;min-height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:26px;height:26px;flex:0 0 auto}
.brand-text{font-family:var(--font-serif);font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--c-ink);white-space:nowrap}
.brand-text .sep{color:var(--c-primary);margin:0 1px;font-weight:400}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:6px}
.main-nav a{position:relative;display:inline-flex;align-items:center;font-size:15px;color:var(--c-ink-2);padding:20px 0;transition:color .18s ease}
.main-nav a::after{content:"";position:absolute;left:0;bottom:16px;height:2px;width:0;background:var(--c-primary);transition:width .18s ease}
.main-nav a:hover{color:var(--c-ink)}
.main-nav a:hover::after{width:100%}
.main-nav a.is-active{color:var(--c-ink);font-weight:500}
.main-nav a.is-active::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--c-primary);margin-right:7px;flex:0 0 auto}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.cmd-search{
  display:flex;align-items:center;gap:8px;
  width:240px;height:38px;padding:0 10px;
  background:#fff;border:1px solid var(--c-line);border-radius:10px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.cmd-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(217,164,65,.18)}
.cmd-search i{color:var(--c-ink-3);font-size:13px}
.cmd-search input{flex:1;min-width:0;height:100%;border:0;background:transparent;font-size:14px;color:var(--c-ink);outline:none}
.cmd-search input::placeholder{color:var(--c-ink-3)}
.cmd-search kbd{
  font-family:var(--font-sans);font-size:11px;line-height:1;padding:4px 6px;border-radius:5px;
  background:var(--c-surface-2);color:var(--c-ink-3);border:1px solid var(--c-line);
}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-ink);font-size:16px;
}
.nav-toggle:hover{background:var(--c-surface-2)}
.mobile-drawer{
  position:fixed;left:0;right:0;top:64px;bottom:0;z-index:75;
  background:#fff;padding:16px 24px 110px;overflow-y:auto;
  transform:translateX(105%);visibility:hidden;
  transition:transform .28s ease,visibility .28s ease;
}
.mobile-drawer.is-open{transform:none;visibility:visible}
.mobile-drawer .m-search{display:flex;align-items:center;gap:10px;height:44px;padding:0 12px;border:1px solid var(--c-line);border-radius:10px;background:var(--c-surface-2);margin-bottom:12px}
.mobile-drawer .m-search input{border:0;background:transparent;flex:1;min-width:0;font-size:15px;outline:none;color:var(--c-ink)}
.mobile-drawer a.d-link{display:flex;align-items:center;justify-content:space-between;height:52px;border-bottom:1px solid var(--c-line);font-family:var(--font-serif);font-size:18px;color:var(--c-ink)}
.mobile-drawer a.d-link.is-active{color:var(--c-primary-hover)}
.mobile-drawer a.d-link i{font-size:12px;color:var(--c-ink-3)}
.mobile-drawer .m-cta{position:sticky;bottom:0;margin-top:20px;padding-top:14px;background:#fff}
.mobile-drawer .m-cta .btn{width:100%}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--c-deep) url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  color:var(--c-bg);
  display:flex;align-items:center;min-height:300px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(22,32,30,.92) 0%,rgba(22,32,30,.76) 48%,rgba(22,32,30,.38) 100%);
}
.page-hero .container{position:relative;z-index:2;padding-top:52px;padding-bottom:52px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:rgba(251,248,241,.62);margin-bottom:18px}
.breadcrumb a{color:rgba(251,248,241,.82)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{opacity:.5}
.page-hero h1{font-size:44px;line-height:1.25;color:#FBF8F1;max-width:840px}
.page-hero .lede{margin:16px 0 0;max-width:780px;font-size:17px;line-height:1.8;color:rgba(251,248,241,.84)}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.page-hero .btn-ghost{background:transparent;color:#FBF8F1;border-color:rgba(251,248,241,.5)}
.page-hero .btn-ghost:hover{background:rgba(251,248,241,.14);border-color:#FBF8F1;color:#fff}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:66px}
.timeline::before{content:"";position:absolute;left:19px;top:10px;bottom:10px;width:2px;background:var(--c-line)}
.tl-item{position:relative;padding-bottom:32px}
.tl-item:last-child{padding-bottom:0}
.tl-node{
  position:absolute;left:-66px;top:14px;
  width:40px;height:40px;border-radius:50%;
  background:var(--c-primary);color:var(--c-ink);
  font-family:var(--font-serif);font-size:15px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 0 6px var(--c-bg);
}
.tl-card{
  display:grid;grid-template-columns:1fr 288px;gap:28px;align-items:center;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.tl-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--c-line-strong)}
.tl-item:nth-child(even) .tl-card{grid-template-columns:288px 1fr}
.tl-item:nth-child(even) .tl-media{order:1}
.tl-item:nth-child(even) .tl-text{order:2}
.tl-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);background:linear-gradient(150deg,var(--c-primary-soft),#FBF8F1)}
.tl-text h3{font-size:21px;line-height:1.5}
.tl-text .ep{display:inline-block;margin-top:8px;font-size:12.5px;color:var(--c-ink-3)}
.tl-text p{margin:10px 0 0;font-size:15px;line-height:1.8;color:var(--c-ink-2)}

/* ---------- 人物卡 ---------- */
.people-grid{margin-left:-12px;margin-right:-12px}
.people-grid > .cell{padding-left:12px;padding-right:12px;margin-bottom:24px}
.person-card{
  height:100%;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.person-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-line-strong)}
.person-card .poster{position:relative;aspect-ratio:3/4;overflow:hidden;background:linear-gradient(160deg,var(--c-primary-soft),#FBF8F1)}
.person-card .poster img{width:100%;height:100%;object-fit:cover}
.person-card .corner-tag{
  position:absolute;top:10px;left:10px;
  font-size:12px;line-height:1.6;padding:3px 10px;border-radius:999px;
  background:rgba(251,248,241,.94);color:#7A5A12;
}
.person-card .corner-tag.is-hot{background:var(--c-accent);color:#fff}
.person-card .body{padding:16px 18px 20px}
.person-card h3{font-size:18px;line-height:1.4}
.person-card .role{font-size:12.5px;color:var(--c-ceramic);margin-top:5px}
.person-card p{
  margin:8px 0 0;font-size:14px;line-height:1.7;color:var(--c-ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}

/* ---------- 势力关系 ---------- */
.faction-list{border-top:1px solid var(--c-line)}
.faction-row{
  display:grid;grid-template-columns:200px 1fr 260px;gap:24px;align-items:start;
  padding:24px 14px;border-bottom:1px solid var(--c-line);
  transition:background-color .2s ease;
}
.faction-row:hover{background:var(--c-surface-2)}
.faction-row h3{font-size:19px}
.faction-row .f-label{display:block;font-size:12.5px;color:var(--c-ink-3);margin-bottom:4px}
.faction-row p{margin:0;font-size:14.5px;line-height:1.75;color:var(--c-ink-2)}
.faction-row .who{font-size:14.5px;color:var(--c-ink);line-height:1.75}
.faction-note{
  display:flex;align-items:flex-start;gap:10px;
  margin-top:28px;padding:16px 20px;border-radius:var(--r-card);
  background:var(--c-primary-soft);color:#6B4F10;font-size:14px;line-height:1.75;
}
.faction-note i{margin-top:4px;color:var(--c-primary-hover)}

/* ---------- FAQ ---------- */
.faq-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
.faq-item + .faq-item{border-top:1px solid var(--c-line)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;padding:20px 24px;background:none;border:0;text-align:left;
  font-size:17px;line-height:1.6;color:var(--c-ink);min-height:44px;
  transition:color .18s ease,background-color .18s ease;
}
.faq-q:hover{color:var(--c-primary-hover);background:rgba(244,239,227,.5)}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  border:1.5px solid var(--c-primary);color:var(--c-primary-hover);
  display:flex;align-items:center;justify-content:center;font-size:14px;
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.faq-item.is-open .faq-icon{background:var(--c-primary);color:var(--c-ink);transform:rotate(180deg)}
.faq-a{height:0;overflow:hidden;transition:height .22s ease}
.faq-a-inner{padding:0 64px 22px 24px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-line-strong);color:inherit}
.rel-card .rel-icon{
  width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary-hover);font-size:15px;margin-bottom:16px;
}
.rel-card h3{font-size:18px}
.rel-card p{margin:8px 0 0;font-size:14px;line-height:1.75;color:var(--c-ink-2)}
.rel-card .rel-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13.5px;color:var(--c-ceramic)}

/* ---------- 深墨下载区 ---------- */
.download-section{background:var(--c-deep);color:var(--c-bg);padding:72px 0}
.dl-grid{display:grid;grid-template-columns:160px 1fr auto;gap:44px;align-items:center}
.qr-card{background:#fff;border-radius:14px;padding:12px;width:150px;box-shadow:var(--sh-2)}
.qr-box{
  position:relative;aspect-ratio:1;border-radius:8px;background-color:#fff;
  background-image:linear-gradient(90deg,rgba(28,36,34,.14) 2px,transparent 2px),linear-gradient(rgba(28,36,34,.14) 2px,transparent 2px);
  background-size:14px 14px;
}
.qr-box::after{content:"";position:absolute;inset:33%;border-radius:6px;background:var(--c-deep)}
.qr-card .qr-cap{margin:10px 0 0;text-align:center;font-size:12px;color:var(--c-ink-3);line-height:1.6}
.dl-head h2{font-size:28px;color:#FBF8F1;line-height:1.35}
.dl-head p{margin:10px 0 0;font-size:15px;line-height:1.8;color:rgba(251,248,241,.72);max-width:520px}
.dl-meta{display:flex;flex-wrap:wrap;gap:32px;margin-top:24px}
.dl-meta div{min-width:110px}
.dl-meta span{display:block;font-size:12.5px;color:rgba(251,248,241,.5);margin-bottom:4px}
.dl-meta strong{font-family:var(--font-serif);font-size:17px;font-weight:600;color:#FBF8F1;letter-spacing:.01em}
.dl-actions{display:flex;flex-direction:column;gap:12px}
.dl-actions .btn{white-space:nowrap}
.dl-actions .btn-outline{background:transparent;color:#FBF8F1;border-color:rgba(251,248,241,.42)}
.dl-actions .btn-outline:hover{background:rgba(251,248,241,.12);border-color:#FBF8F1;color:#fff}
.dl-foot{margin:28px 0 0;font-size:12.5px;line-height:1.8;color:rgba(251,248,241,.48);border-top:1px solid rgba(255,255,255,.1);padding-top:20px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-deep);color:rgba(251,248,241,.76);padding:64px 0 28px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:40px}
.footer-col h4{font-family:var(--font-sans);font-size:13px;letter-spacing:.08em;color:var(--c-primary);margin-bottom:16px;font-weight:500}
.footer-col a{display:block;font-size:14px;padding:6px 0;color:rgba(251,248,241,.72)}
.footer-col a:hover{color:var(--c-primary)}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(251,248,241,.6);margin:0 0 10px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{color:#FBF8F1;font-size:17px}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(251,248,241,.62);max-width:340px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(255,255,255,.12);padding-top:22px;
  font-size:12px;line-height:1.7;color:rgba(251,248,241,.48);
}

/* ---------- 移动下载条 ---------- */
.mobile-dl-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;display:none;
  align-items:center;justify-content:space-between;gap:14px;
  padding:9px 18px calc(9px + env(safe-area-inset-bottom));
  background:var(--c-primary);color:var(--c-ink);
  transform:translateY(115%);transition:transform .28s ease;
  box-shadow:0 -6px 24px -12px rgba(28,36,34,.4);
}
.mobile-dl-bar.is-show{transform:translateY(0)}
.mobile-dl-bar span{font-size:14px;font-weight:500}
.mobile-dl-bar .btn{background:var(--c-ink);color:#FBF8F1;border-color:var(--c-ink);padding:9px 16px;font-size:14px;min-height:38px}
.mobile-dl-bar .btn:hover{background:#000;color:#fff}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .3s ease-out,transform .3s ease-out}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .faq-a{transition:none}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .header-inner{gap:16px}
  .main-nav{gap:20px}
  .cmd-search{width:200px}
  .page-hero h1{font-size:38px}
  .dl-grid{grid-template-columns:140px 1fr;gap:32px}
  .dl-actions{grid-column:1 / -1;flex-direction:row;flex-wrap:wrap}
}
@media (max-width:991px){
  .main-nav{display:none}
  .cmd-search{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:64px 0}
  .page-hero{min-height:0}
  .page-hero h1{font-size:34px}
  .tl-card,
  .tl-item:nth-child(even) .tl-card{grid-template-columns:1fr;gap:18px}
  .tl-item:nth-child(even) .tl-media{order:0}
  .tl-item:nth-child(even) .tl-text{order:0}
  .tl-media img{aspect-ratio:16/9}
  .faction-row{grid-template-columns:1fr;gap:10px}
  .faction-row .f-col{display:grid;grid-template-columns:96px 1fr;gap:12px;align-items:start}
  .rel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .dl-grid{grid-template-columns:1fr}
  .qr-card{width:132px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:52px 0}
  .page-hero h1{font-size:30px;line-height:1.3}
  .page-hero .lede{font-size:16px;line-height:1.8}
  .page-hero .container{padding-top:36px;padding-bottom:40px}
  .section-head{margin-bottom:32px}
  .section-head h2{font-size:24px}
  .timeline{padding-left:46px}
  .timeline::before{left:12px}
  .tl-node{left:-46px;top:10px;width:32px;height:32px;font-size:13px;box-shadow:0 0 0 4px var(--c-bg)}
  .tl-card{padding:18px}
  .faq-q{padding:16px 18px;font-size:16px}
  .faq-a-inner{padding:0 24px 18px 18px}
  .mobile-dl-bar{display:flex}
  .dl-head h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:6px}
  .site-footer{padding-bottom:76px}
}
@media (max-width:519px){
  .brand-text{font-size:15.5px}
  .page-hero h1{font-size:26px}
  .hero-actions .btn{width:100%}
  .people-grid > .cell{flex:0 0 50%;max-width:50%}
  .dl-meta{gap:20px}
  .dl-meta div{min-width:88px}
}

/* roulang page: category4 */
:root{
  --c-primary:#D9A441;
  --c-primary-hover:#C08C2C;
  --c-primary-soft:#F7E9C8;
  --c-ink:#1C2422;
  --c-ink-2:#4E5A56;
  --c-ink-3:#8A918C;
  --c-ceramic:#5C7A70;
  --c-accent:#B4453B;
  --c-bg:#FBF8F1;
  --c-surface:#FFFFFF;
  --c-surface-2:#F4EFE3;
  --c-deep:#16201E;
  --c-line:#E7E0D2;
  --c-line-strong:#D6CBB4;
  --sh-1:0 1px 2px rgba(28,36,34,.04), 0 8px 20px -12px rgba(28,36,34,.16);
  --sh-2:0 2px 4px rgba(28,36,34,.06), 0 18px 40px -18px rgba(28,36,34,.24);
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --f-serif:'Noto Serif SC','Source Han Serif SC','Songti SC',serif;
  --f-sans:'Noto Sans SC','PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,sans-serif;
  --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px; --sp-5:32px; --sp-6:48px; --sp-7:72px; --sp-8:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--f-sans);
  font-size:17px;
  line-height:1.85;
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-family:var(--f-serif);font-weight:600;letter-spacing:.01em;color:var(--c-ink);}
p{margin:0 0 1.1em;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.section{padding-top:88px;padding-bottom:88px;}
.section--tight{padding-top:56px;padding-bottom:56px;}
.section--alt{background:var(--c-surface-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-4);margin-bottom:var(--sp-5);flex-wrap:wrap;}
.section-head h2{font-size:30px;line-height:1.35;}
.section-head .sub{margin-top:10px;color:var(--c-ink-2);font-size:15px;max-width:640px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.08em;color:var(--c-ceramic);text-transform:uppercase;font-weight:600;margin-bottom:14px;}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--c-primary);display:inline-block;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,248,241,.9);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{display:flex;align-items:center;gap:24px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand .brand-mark{width:26px;height:26px;flex:0 0 auto;}
.brand-text{font-family:var(--f-serif);font-size:17px;font-weight:700;color:var(--c-ink);white-space:nowrap;}
.brand-text .sep{color:var(--c-primary);margin:0 1px;}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:8px;flex:1 1 auto;}
.main-nav a{
  position:relative;font-size:15px;color:var(--c-ink-2);padding:6px 0;white-space:nowrap;
  transition:color .2s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--c-primary);
  transition:width .18s ease;
}
.main-nav a:hover{color:var(--c-ink);}
.main-nav a:hover::after{width:100%;}
.main-nav a.is-active{color:var(--c-ink);font-weight:600;}
.main-nav a.is-active::before{
  content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--c-primary);
}
.header-tools{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:238px;height:38px;padding:0 12px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-btn);
  transition:border-color .2s ease, box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(217,164,65,.16);}
.nav-search input{border:0;outline:none;background:transparent;flex:1 1 auto;min-width:0;font-size:14px;color:var(--c-ink);}
.nav-search input::placeholder{color:var(--c-ink-3);}
.nav-search svg{flex:0 0 auto;color:var(--c-ink-3);}
.nav-search kbd{
  font-family:var(--f-sans);font-size:11px;line-height:1;color:var(--c-ink-3);
  background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:5px;padding:3px 5px;
}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:var(--c-surface);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:80;background:var(--c-bg);
  display:flex;flex-direction:column;padding:20px 20px 0;
  transform:translateX(100%);transition:transform .28s ease;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-line);}
.drawer-close{width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:var(--c-surface);font-size:20px;color:var(--c-ink);}
.drawer nav{display:flex;flex-direction:column;padding-top:8px;}
.drawer nav a{
  display:flex;align-items:center;height:52px;font-family:var(--f-serif);font-size:18px;
  color:var(--c-ink);border-bottom:1px solid var(--c-line);
}
.drawer nav a.is-active{color:var(--c-primary-hover);}
.drawer-cta{margin-top:auto;padding:20px 0 28px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;padding:13px 26px;border-radius:var(--r-btn);
  border:1.5px solid transparent;transition:all .2s ease;white-space:nowrap;min-height:44px;
}
.btn-primary{background:var(--c-primary);color:var(--c-ink);box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-hover);color:var(--c-ink);box-shadow:var(--sh-2);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--c-ceramic);border-color:var(--c-ceramic);}
.btn-ghost:hover{background:rgba(92,122,112,.1);color:var(--c-ceramic);}
.btn-invert{background:transparent;color:var(--c-bg);border-color:rgba(251,248,241,.5);}
.btn-invert:hover{background:rgba(251,248,241,.12);color:#fff;}
.btn-sm{padding:10px 18px;font-size:14px;min-height:38px;}
.btn-block{width:100%;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;
  color:var(--c-ink);border-bottom:2px solid var(--c-primary);padding-bottom:2px;
  transition:border-width .2s ease,color .2s ease;
}
.link-more:hover{border-bottom-width:3px;color:var(--c-primary-hover);}

/* ---------- badges / chips ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:4px 10px;
  font-size:12.5px;line-height:1.4;background:var(--c-primary-soft);color:#7A5A12;font-weight:600;
}
.badge--line{background:transparent;border:1px solid var(--c-line-strong);color:var(--c-ink-2);font-weight:500;}
.badge--hot{background:var(--c-accent);color:#fff;}
.badge--ceramic{background:rgba(92,122,112,.12);color:#3F5B52;font-weight:500;}

/* ---------- breadcrumb ---------- */
.crumb{padding-top:22px;font-size:12.5px;color:var(--c-ink-3);}
.crumb a{color:var(--c-ink-3);}
.crumb a:hover{color:var(--c-primary-hover);}
.crumb .sep{margin:0 7px;color:var(--c-line-strong);}
.crumb .current{color:var(--c-ink-2);}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;
  padding:54px 0 64px;
  border-bottom:1px solid var(--c-line);
  background:
    linear-gradient(115deg, rgba(217,164,65,.14) 0%, rgba(251,248,241,0) 58%),
    url('/assets/images/backpic/back-2.webp') right center / cover no-repeat;
  background-color:var(--c-bg);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg, rgba(251,248,241,.97) 0%, rgba(251,248,241,.9) 46%, rgba(251,248,241,.45) 100%);
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:1;}
.hero-grid{display:grid;grid-template-columns:1.25fr .85fr;gap:48px;align-items:start;}
.cat-hero h1{font-size:44px;line-height:1.25;font-weight:700;margin-bottom:18px;}
.cat-hero .lede{font-size:17px;line-height:1.85;color:var(--c-ink-2);max-width:620px;margin-bottom:24px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}

.score-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);
}
.score-top{display:flex;align-items:flex-end;gap:14px;padding-bottom:18px;border-bottom:1px dashed var(--c-line-strong);}
.score-num{font-family:var(--f-serif);font-size:56px;line-height:1;font-weight:700;color:var(--c-ink);}
.score-meta{padding-bottom:6px;}
.stars{display:inline-flex;gap:3px;color:var(--c-primary);font-size:13px;letter-spacing:1px;}
.score-meta .txt{display:block;font-size:12.5px;color:var(--c-ink-3);margin-top:4px;}
.score-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px;}
.score-item{background:var(--c-surface-2);border-radius:12px;padding:12px 10px;text-align:center;}
.score-item b{display:block;font-family:var(--f-serif);font-size:20px;line-height:1.3;color:var(--c-ink);}
.score-item span{font-size:12.5px;color:var(--c-ink-2);}
.score-note{margin:16px 0 0;font-size:12.5px;line-height:1.7;color:var(--c-ink-3);}

/* ---------- review wall ---------- */
.review-wall{columns:2;column-gap:20px;}
.review-card{
  break-inside:avoid;margin-bottom:20px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.review-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-line-strong);}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.avatar{
  width:44px;height:44px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,#EBC880,#D9A441);
  color:#3A2A08;font-family:var(--f-serif);font-size:17px;font-weight:700;
}
.review-head .who{flex:1 1 auto;min-width:0;}
.review-head .name{display:block;font-size:15px;font-weight:600;color:var(--c-ink);line-height:1.4;}
.review-head .stars{font-size:12px;}
.review-text{font-size:15px;line-height:1.75;color:var(--c-ink-2);margin:0 0 14px;}
.review-tag{font-size:12px;}

/* ---------- featured long reviews ---------- */
.long-review{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:32px 30px 26px;box-shadow:var(--sh-1);
  display:grid;grid-template-columns:1fr 220px;gap:28px;align-items:start;
}
.long-review + .long-review{margin-top:24px;}
.long-review::before{
  content:"“";position:absolute;left:18px;top:-6px;
  font-family:var(--f-serif);font-size:64px;line-height:1;color:var(--c-primary-soft);
}
.long-review h3{font-size:21px;line-height:1.5;margin-bottom:12px;position:relative;z-index:1;}
.long-review .body{font-size:15px;line-height:1.8;color:var(--c-ink-2);}
.long-review .body p:last-child{margin-bottom:0;}
.long-review figure{margin:0;}
.long-review figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);}
.long-review figcaption{font-size:12.5px;color:var(--c-ink-3);margin-top:8px;line-height:1.6;}
.long-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px;}

/* ---------- faq ---------- */
.faq-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;}
.faq-item + .faq-item{border-top:1px solid var(--c-line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;text-align:left;padding:20px 24px;
  font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.6;
}
.faq-q:hover{color:var(--c-primary-hover);}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:1.5px solid var(--c-primary);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary-hover);
  font-size:16px;line-height:1;transition:transform .22s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-a .inner{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--c-ink-2);max-width:820px;}
.faq-item.is-open .faq-a{max-height:420px;}

/* ---------- cross links ---------- */
.cross-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.cross-card{
  display:flex;gap:16px;align-items:center;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:16px;box-shadow:var(--sh-1);transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.cross-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-line-strong);}
.cross-card img{width:82px;flex:0 0 auto;aspect-ratio:3/4;object-fit:cover;border-radius:10px;}
.cross-card h3{font-size:16px;line-height:1.5;margin-bottom:4px;transition:color .2s ease;}
.cross-card:hover h3{color:var(--c-primary-hover);}
.cross-card p{font-size:13px;line-height:1.6;color:var(--c-ink-3);margin:0;}

/* ---------- download ---------- */
.download-band{background:var(--c-deep);color:rgba(251,248,241,.86);padding:72px 0;}
.download-band h2{color:#FBF8F1;font-size:30px;line-height:1.35;margin-bottom:10px;}
.download-band .lead{color:rgba(251,248,241,.7);font-size:15px;margin-bottom:0;}
.dl-grid{display:grid;grid-template-columns:160px 1fr auto;gap:36px;align-items:center;margin-top:36px;}
.qr-card{
  background:#fff;border-radius:var(--r-card);padding:14px;box-shadow:var(--sh-2);text-align:center;
}
.qr-card .qr{
  width:132px;height:132px;border-radius:8px;margin:0 auto 8px;
  background:
    repeating-linear-gradient(90deg,#1C2422 0 6px,#fff 6px 12px),
    repeating-linear-gradient(0deg,#1C2422 0 6px,transparent 6px 12px);
  background-blend-mode:multiply;opacity:.9;
}
.qr-card span{font-size:12px;color:var(--c-ink-2);}
.dl-specs{display:grid;gap:10px;}
.dl-specs div{display:flex;gap:14px;font-size:14px;}
.dl-specs dt{color:rgba(251,248,241,.55);width:88px;flex:0 0 auto;margin:0;}
.dl-specs dd{margin:0;color:#FBF8F1;}
.dl-actions{display:flex;flex-direction:column;gap:12px;}
.dl-note{margin-top:26px;font-size:12.5px;color:rgba(251,248,241,.5);line-height:1.7;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-deep);color:rgba(251,248,241,.78);padding:64px 0 26px;border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{width:26px;height:26px;}
.footer-brand .brand-text{font-family:var(--f-serif);font-size:17px;font-weight:700;color:#FBF8F1;}
.footer-brand .brand-text .sep{color:var(--c-primary);}
.footer-desc{font-size:13.5px;line-height:1.8;color:rgba(251,248,241,.6);margin:0;max-width:340px;}
.footer-col h4{font-family:var(--f-sans);font-size:13px;letter-spacing:.06em;color:var(--c-primary);margin-bottom:14px;font-weight:600;}
.footer-col a{display:block;font-size:14px;color:rgba(251,248,241,.72);padding:5px 0;}
.footer-col a:hover{color:var(--c-primary);}
.footer-col p{font-size:13.5px;line-height:1.8;color:rgba(251,248,241,.6);margin:0 0 8px;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:12px;color:rgba(251,248,241,.45);
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s ease-out, transform .32s ease-out;}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- mobile bar ---------- */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  background:rgba(22,32,30,.96);padding:8px 16px calc(8px + env(safe-area-inset-bottom));
  align-items:center;justify-content:space-between;gap:12px;
  transform:translateY(110%);transition:transform .28s ease;
}
.mobile-bar.is-in{transform:translateY(0);}
.mobile-bar span{font-size:13px;color:rgba(251,248,241,.8);}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero-grid{grid-template-columns:1fr;}
  .cat-hero h1{font-size:38px;}
  .nav-search{width:190px;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:flex;}
  .header-tools .btn-sm{display:none;}
  .cat-hero{padding:40px 0 48px;background-position:center;}
  .cat-hero::after{background:linear-gradient(180deg, rgba(251,248,241,.96) 0%, rgba(251,248,241,.88) 100%);}
  .cat-hero h1{font-size:32px;}
  .section{padding-top:60px;padding-bottom:60px;}
  .review-wall{columns:1;}
  .long-review{grid-template-columns:1fr;}
  .long-review figure{max-width:320px;}
  .cross-grid{grid-template-columns:1fr;}
  .dl-grid{grid-template-columns:1fr;gap:26px;}
  .qr-card{width:170px;}
  .dl-actions{flex-direction:row;flex-wrap:wrap;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .mobile-bar{display:flex;}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.8;}
  .container{padding-left:18px;padding-right:18px;}
  .cat-hero h1{font-size:30px;line-height:1.3;}
  .cat-hero .lede{font-size:16px;}
  .section-head h2{font-size:24px;}
  .section-head .sub{font-size:14px;}
  .score-num{font-size:46px;}
  .score-list{grid-template-columns:1fr 1fr;}
  .review-card{padding:18px;}
  .long-review{padding:26px 20px 22px;}
  .long-review h3{font-size:19px;}
  .faq-q{padding:16px 18px;font-size:16px;}
  .faq-a .inner{padding:0 18px 18px;}
  .download-band{padding:52px 0 76px;}
  .download-band h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .btn{padding:12px 20px;font-size:14.5px;}
}
@media (max-width:479px){
  .cat-hero h1{font-size:26px;}
  .score-top{gap:10px;}
  .score-num{font-size:40px;}
  .hero-actions .btn{width:100%;}
  .cross-card img{width:66px;}
  .footer-brand .brand-text{font-size:15px;}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category5 */
:root{
  --c-primary:#D9A441;
  --c-primary-hover:#C08C2C;
  --c-primary-soft:#F7E9C8;
  --c-ink:#1C2422;
  --c-ink-2:#4E5A56;
  --c-ink-3:#8A918C;
  --c-ceramic:#5C7A70;
  --c-accent:#B4453B;
  --c-bg:#FBF8F1;
  --c-surface:#FFFFFF;
  --c-surface-2:#F4EFE3;
  --c-deep:#16201E;
  --c-line:#E7E0D2;
  --c-line-strong:#D6CBB4;
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --sh-1:0 1px 2px rgba(28,36,34,.04), 0 8px 20px -12px rgba(28,36,34,.16);
  --sh-2:0 2px 4px rgba(28,36,34,.06), 0 18px 40px -18px rgba(28,36,34,.24);
  --font-serif:'Noto Serif SC','Source Han Serif SC','Songti SC',serif;
  --font-sans:'Noto Sans SC','PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,sans-serif;
  --space-1:8px; --space-2:12px; --space-3:16px; --space-4:24px;
  --space-5:32px; --space-6:48px; --space-7:72px; --space-8:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-ink);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-hover);}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:600;letter-spacing:.01em;color:var(--c-ink);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding:88px 0;}
.section--tight{padding:56px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.12em;color:var(--c-ceramic);
  text-transform:uppercase;font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-primary);display:inline-block;}
.section-head{margin-bottom:32px;max-width:720px;}
.section-head h2{font-size:30px;line-height:1.35;margin:12px 0 10px;}
.section-head p{font-size:16px;color:var(--c-ink-2);line-height:1.8;margin:0;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.2;border:1.5px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:var(--c-ink);box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-hover);color:var(--c-ink);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--c-ceramic);color:var(--c-ceramic);}
.btn-ghost:hover{background:rgba(92,122,112,.1);color:var(--c-ceramic);}
.btn-outline-light{background:transparent;border-color:rgba(251,248,241,.5);color:var(--c-bg);}
.btn-outline-light:hover{background:rgba(251,248,241,.12);color:#fff;border-color:rgba(251,248,241,.8);}
.btn-sm{min-height:38px;padding:8px 18px;font-size:14px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;
  color:var(--c-ink);border-bottom:2px solid var(--c-primary);
  padding-bottom:2px;transition:border-width .2s ease,color .2s ease;
}
.link-arrow:hover{border-bottom-width:3px;color:var(--c-primary-hover);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,248,241,.88);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  height:64px;display:flex;align-items:center;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:24px;height:24px;flex-shrink:0;}
.brand-text{
  font-family:var(--font-serif);font-size:17px;font-weight:700;
  color:var(--c-ink);letter-spacing:.01em;white-space:nowrap;
}
.brand-text .sep{color:var(--c-primary);margin:0 1px;}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:8px;}
.main-nav a{
  position:relative;font-size:15px;color:var(--c-ink-2);padding:6px 0;
  display:inline-flex;align-items:center;transition:color .18s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.main-nav a:hover{color:var(--c-ink);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--c-ink);font-weight:600;}
.main-nav a.is-active::before{
  content:"";width:4px;height:4px;border-radius:50%;
  background:var(--c-primary);position:absolute;left:-10px;top:50%;transform:translateY(-50%);
}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.cmd-search{
  display:flex;align-items:center;gap:8px;
  width:240px;height:38px;padding:0 10px;
  background:#fff;border:1px solid var(--c-line);border-radius:10px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cmd-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(217,164,65,.18);}
.cmd-search i{font-size:13px;color:var(--c-ink-3);}
.cmd-search input{
  flex:1;min-width:0;border:0;outline:0;background:transparent;
  font-size:14px;color:var(--c-ink);height:100%;
}
.cmd-search input::placeholder{color:var(--c-ink-3);}
.cmd-search kbd{
  font-family:var(--font-sans);font-size:11px;height:20px;line-height:20px;
  padding:0 6px;border-radius:5px;background:var(--c-surface-2);
  color:var(--c-ink-2);border:1px solid var(--c-line);
}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid var(--c-line);background:#fff;
  color:var(--c-ink-2);font-size:14px;transition:all .2s ease;
}
.icon-btn:hover{border-color:var(--c-line-strong);color:var(--c-ink);background:var(--c-surface-2);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink);
  align-items:center;justify-content:center;font-size:16px;
}
.mobile-drawer{
  display:none;position:fixed;inset:64px 0 0 0;z-index:59;
  background:#fff;padding:16px 20px 96px;overflow-y:auto;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer nav{display:flex;flex-direction:column;}
.mobile-drawer nav a{
  height:52px;display:flex;align-items:center;
  font-family:var(--font-serif);font-size:18px;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.mobile-drawer nav a.is-active{color:var(--c-primary-hover);}
.mobile-download-bar{
  position:fixed;left:0;right:0;bottom:0;padding:12px 20px calc(12px + env(safe-area-inset-bottom));
  background:var(--c-primary);z-index:61;display:none;
}
.mobile-download-bar a{display:block;text-align:center;font-weight:600;color:var(--c-ink);font-size:15px;}

/* ---------- breadcrumb ---------- */
.breadcrumb-bar{background:var(--c-surface-2);border-bottom:1px solid var(--c-line);}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:12.5px;color:var(--c-ink-3);padding:12px 0;
}
.breadcrumb a{color:var(--c-ink-2);}
.breadcrumb a:hover{color:var(--c-primary-hover);}
.breadcrumb .sep{color:var(--c-line-strong);}
.breadcrumb .current{color:var(--c-ink);font-weight:600;}

/* ---------- hero ---------- */
.faq-hero{
  position:relative;padding:56px 0 48px;
  background:linear-gradient(135deg,rgba(217,164,65,.10),rgba(251,248,241,0) 62%),var(--c-bg);
  border-bottom:1px solid var(--c-line);
  overflow:hidden;
}
.faq-hero-grid{
  display:grid;grid-template-columns:1.45fr .85fr;gap:48px;align-items:center;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--c-primary-soft);color:#7A5A12;
  font-size:12.5px;font-weight:600;padding:5px 12px;border-radius:999px;margin-bottom:18px;
}
.faq-hero h1{
  font-size:44px;line-height:1.25;margin-bottom:18px;font-weight:700;
}
.faq-hero h1 em{font-style:normal;color:var(--c-primary-hover);}
.faq-hero .hero-desc{
  font-size:17px;line-height:1.85;color:var(--c-ink-2);max-width:600px;margin-bottom:24px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.hero-stats{display:flex;flex-wrap:wrap;align-items:stretch;gap:0;}
.hero-stat{padding:0 24px;border-left:1px solid var(--c-line);}
.hero-stat:first-child{padding-left:0;border-left:0;}
.hero-stat strong{
  display:block;font-family:var(--font-serif);font-size:26px;line-height:1.2;color:var(--c-ink);
}
.hero-stat span{font-size:13px;color:var(--c-ink-3);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-img);box-shadow:var(--sh-2);border:1px solid var(--c-line);
}
.hero-chip{
  position:absolute;left:-14px;bottom:-18px;
  background:#fff;border:1px solid var(--c-line);border-radius:12px;
  padding:12px 16px;box-shadow:var(--sh-2);display:flex;align-items:center;gap:10px;
}
.hero-chip i{color:var(--c-ceramic);font-size:16px;}
.hero-chip span{font-size:13px;color:var(--c-ink-2);line-height:1.5;}
.hero-chip b{display:block;font-size:14px;color:var(--c-ink);font-family:var(--font-serif);}

/* ---------- faq layout ---------- */
.faq-layout{display:grid;grid-template-columns:240px 1fr;gap:48px;align-items:start;}
.toc{
  position:sticky;top:88px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:20px 18px;box-shadow:var(--sh-1);
}
.toc-title{font-size:13px;color:var(--c-ink-3);letter-spacing:.08em;margin-bottom:12px;font-weight:600;}
.toc-list{display:flex;flex-direction:column;gap:4px;}
.toc-list a{
  position:relative;display:block;padding:9px 10px 9px 14px;border-radius:8px;
  font-size:14.5px;color:var(--c-ink-2);transition:background .2s ease,color .2s ease;
}
.toc-list a::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  background:transparent;border-radius:3px;transition:background .2s ease;
}
.toc-list a:hover{background:var(--c-surface-2);color:var(--c-ink);}
.toc-list a.is-active{color:var(--c-ink);font-weight:600;background:var(--c-surface-2);}
.toc-list a.is-active::before{background:var(--c-primary);}
.toc-note{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--c-line);
  font-size:13px;line-height:1.7;color:var(--c-ink-2);
}
.toc-mobile{display:none;}

.faq-group{margin-bottom:56px;scroll-margin-top:88px;}
.faq-group:last-of-type{margin-bottom:0;}
.faq-group-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:20px;}
.faq-group-num{
  flex-shrink:0;width:38px;height:38px;border-radius:50%;
  background:var(--c-primary-soft);color:#7A5A12;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-weight:700;font-size:15px;
}
.faq-group-head h2{font-size:24px;line-height:1.35;margin-bottom:4px;}
.faq-group-head p{font-size:14.5px;color:var(--c-ink-2);line-height:1.7;margin:0;}

.faq-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
}
.faq-item + .faq-item{border-top:1px solid var(--c-line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:0;text-align:left;
  font-size:17px;line-height:1.6;color:var(--c-ink);font-weight:600;
  transition:background .2s ease,color .2s ease;
}
.faq-q:hover{background:var(--c-surface-2);color:var(--c-primary-hover);}
.faq-q .sign{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  border:1.5px solid var(--c-primary);color:var(--c-primary-hover);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;line-height:1;
  transition:transform .22s ease,background .22s ease,color .22s ease;
}
.faq-item.is-open .faq-q{background:var(--c-surface-2);}
.faq-item.is-open .sign{background:var(--c-primary);color:var(--c-ink);transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .22s ease;
}
.faq-a-inner{
  padding:0 22px 20px 22px;font-size:15px;line-height:1.8;color:var(--c-ink-2);
}
.faq-a-inner strong{color:var(--c-ink);}
.faq-a-inner ul{margin:8px 0 0;}
.faq-a-inner li{
  position:relative;padding-left:16px;margin-bottom:6px;line-height:1.8;
}
.faq-a-inner li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;
  background:var(--c-primary);border-radius:1px;
}

/* ---------- help card ---------- */
.help-card{
  margin-top:32px;background:var(--c-surface-2);
  border:1px solid var(--c-line-strong);border-radius:var(--r-card);
  padding:24px;display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;
}
.help-card h3{font-size:19px;margin-bottom:6px;}
.help-card p{font-size:14.5px;color:var(--c-ink-2);line-height:1.7;margin:0;max-width:560px;}

/* ---------- download ---------- */
.download{background:var(--c-deep);color:var(--c-bg);padding:72px 0;}
.download-grid{display:grid;grid-template-columns:auto 1fr auto;gap:40px;align-items:center;}
.qr-card{
  background:#fff;border-radius:14px;padding:14px;box-shadow:var(--sh-2);
  width:160px;text-align:center;
}
.qr-card img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:8px;}
.qr-card span{display:block;font-size:12px;color:var(--c-ink-2);margin-top:8px;}
.download h2{color:#fff;font-size:28px;line-height:1.35;margin-bottom:10px;}
.download .dl-sub{font-size:14.5px;color:rgba(251,248,241,.72);margin-bottom:20px;max-width:520px;}
.dl-meta{display:flex;flex-wrap:wrap;gap:28px;}
.dl-meta div{font-size:13px;color:rgba(251,248,241,.6);}
.dl-meta b{display:block;font-size:15px;color:var(--c-bg);font-family:var(--font-serif);font-weight:600;margin-top:2px;}
.dl-actions{display:flex;flex-direction:column;gap:12px;}
.download .compliance{
  margin-top:28px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:12.5px;color:rgba(251,248,241,.5);
}

/* ---------- cross links ---------- */
.cross-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cross-card{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.cross-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-line-strong);}
.cross-card .badge{
  display:inline-block;font-size:12.5px;padding:4px 10px;border-radius:999px;
  background:var(--c-primary-soft);color:#7A5A12;margin-bottom:12px;font-weight:600;
}
.cross-card h3{font-size:19px;margin-bottom:8px;transition:color .2s ease;}
.cross-card:hover h3{color:var(--c-primary-hover);}
.cross-card p{font-size:14px;color:var(--c-ink-2);line-height:1.7;margin:0;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-deep);color:var(--c-bg);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-text{color:var(--c-bg);}
.footer-desc{font-size:13.5px;line-height:1.8;color:rgba(251,248,241,.62);max-width:320px;}
.footer-col h4{font-size:13px;color:var(--c-primary);margin-bottom:14px;letter-spacing:.06em;font-family:var(--font-sans);}
.footer-col a{display:block;font-size:14px;color:rgba(251,248,241,.72);padding:5px 0;transition:color .2s ease;}
.footer-col a:hover{color:var(--c-primary);}
.footer-col p{font-size:13.5px;line-height:1.8;color:rgba(251,248,241,.62);margin-bottom:10px;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12px;color:rgba(251,248,241,.45);
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s ease-out,transform .32s ease-out;}
.reveal.is-in{opacity:1;transform:none;}

@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  .faq-a{transition:none;}
  .cross-card:hover{transform:none;}
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .main-nav{gap:20px;}
  .cmd-search{width:200px;}
  .faq-hero h1{font-size:38px;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .cmd-search{display:none;}
  .header-tools .btn{display:none;}
  .mobile-download-bar{display:block;}
  .faq-hero-grid{grid-template-columns:1fr;gap:32px;}
  .faq-hero h1{font-size:32px;}
  .hero-visual img{aspect-ratio:16/9;}
  .hero-chip{left:12px;bottom:-16px;}
  .faq-layout{grid-template-columns:1fr;gap:24px;}
  .toc{display:none;}
  .toc-mobile{
    display:flex;gap:8px;overflow-x:auto;padding:4px 0 12px;
    -webkit-overflow-scrolling:touch;scrollbar-width:none;
    position:sticky;top:64px;background:var(--c-bg);z-index:20;
  }
  .toc-mobile::-webkit-scrollbar{display:none;}
  .toc-mobile a{
    flex:0 0 auto;padding:8px 16px;border-radius:999px;
    border:1px solid var(--c-line);background:#fff;
    font-size:13.5px;color:var(--c-ink-2);white-space:nowrap;
  }
  .toc-mobile a.is-active{background:var(--c-primary-soft);border-color:var(--c-primary);color:#7A5A12;font-weight:600;}
  .download-grid{grid-template-columns:1fr;gap:28px;}
  .qr-card{width:140px;}
  .dl-actions{flex-direction:row;flex-wrap:wrap;}
  .cross-links{grid-template-columns:1fr;gap:16px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .section{padding:52px 0;}
  .faq-hero{padding:36px 0 40px;}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.8;}
  .container{padding-left:18px;padding-right:18px;}
  .header-inner{padding:0 18px;height:60px;gap:12px;}
  .mobile-drawer{inset:60px 0 0 0;}
  .brand-text{font-size:16px;}
  .faq-hero h1{font-size:28px;line-height:1.3;}
  .faq-hero .hero-desc{font-size:15.5px;}
  .hero-stats{gap:0;flex-wrap:wrap;}
  .hero-stat{padding:0 16px;}
  .hero-stat strong{font-size:22px;}
  .section-head h2{font-size:24px;}
  .faq-group-head h2{font-size:21px;}
  .faq-q{font-size:16px;padding:16px 16px;gap:12px;}
  .faq-a-inner{padding:0 16px 18px 16px;font-size:14.5px;}
  .help-card{grid-template-columns:1fr;gap:16px;padding:20px;}
  .download{padding:52px 0;}
  .download h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .dl-actions{flex-direction:column;}
  .dl-actions .btn{width:100%;}
}
@media (max-width:519px){
  .hero-stat{padding:0 12px;}
  .hero-stat strong{font-size:20px;}
  .faq-hero h1{font-size:25px;}
  .cross-card{padding:20px;}
}