/* roulang page: index */
:root{
  --c-ink:#2B2118;
  --c-sand:#EFE7DA;
  --c-cream:#F7F3EC;
  --c-copper:#B4622D;
  --c-copper-d:#95491B;
  --c-olive:#6B7A52;
  --t-1:#1F1A16;
  --t-2:#6E655C;
  --t-3:#9A9188;
  --line:#E3D9CB;
  --r-card:14px;
  --r-img:12px;
  --r-btn:999px;
  --r-input:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(43,33,24,.06);
  --sh-2:0 12px 28px rgba(43,33,24,.14);
  --tr:180ms cubic-bezier(.2,.7,.3,1);
  --side-w:240px;
  --pad-sec:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t-1);
  background:#FBF8F3;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
input,textarea,select{font-family:inherit;font-size:15px;}
::selection{background:rgba(180,98,45,.22);}
:focus-visible{outline:2px solid var(--c-copper);outline-offset:2px;}

.container{max-width:1280px;margin:0 auto;padding:0 24px;width:100%;}
@media (min-width:1440px){.container{padding:0 32px;}}
@media (max-width:640px){.container{padding:0 16px;}}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-copper);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;z-index:200;}
.skip-link:focus{left:0;}

/* ============ 左侧竖导航 ============ */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
  background:var(--c-ink);color:var(--c-sand);
  display:flex;flex-direction:column;
  padding:30px 18px 20px;
  overflow-y:auto;z-index:60;
}
.brand{display:flex;flex-direction:column;gap:6px;padding:0 8px 22px;}
.brand-mark{
  font-size:32px;font-weight:800;line-height:1;letter-spacing:.08em;
  color:#FFFFFF;font-family:"PingFang SC","HarmonyOS Sans SC",system-ui,sans-serif;
}
.brand-line{width:24px;height:2px;background:var(--c-copper);border-radius:2px;}
.brand-sub{font-size:13px;letter-spacing:.14em;color:var(--c-sand);font-weight:500;}
.side-rule{height:1px;background:rgba(239,231,218,.16);margin:16px 8px;}
.side-nav .nav-list{display:flex;flex-direction:column;gap:4px;}
.side-nav .nav-link{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:12px 14px;border-radius:10px;
  font-size:15px;color:#DED3C4;
  transition:background var(--tr),color var(--tr),transform var(--tr);
}
.side-nav .nav-link i{font-size:14px;color:rgba(239,231,218,.5);transition:color var(--tr);}
.side-nav .nav-link:hover{background:rgba(239,231,218,.08);color:#FFFFFF;}
.side-nav .nav-link:hover i{color:var(--c-copper);}
.side-nav .nav-link.is-active{background:rgba(239,231,218,.10);color:#FFFFFF;}
.side-nav .nav-link.is-active i{color:var(--c-copper);}
.side-nav .nav-link.is-active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:18px;background:var(--c-copper);border-radius:2px;
}
.side-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;border-radius:var(--r-btn);background:var(--c-copper);color:#fff;
  font-size:15px;font-weight:600;margin:0 8px;
  transition:background var(--tr),transform var(--tr),box-shadow var(--tr);
}
.side-cta:hover{background:var(--c-copper-d);transform:translateY(-1px);box-shadow:0 8px 20px rgba(180,98,45,.32);}
.side-cta:active{transform:translateY(0) scale(.99);}
.side-help{display:flex;flex-direction:column;gap:6px;padding:0 8px;}
.side-help a{font-size:14px;color:#C9BDAC;display:flex;align-items:center;gap:8px;transition:color var(--tr);}
.side-help a:hover{color:#fff;}
.side-help i{color:var(--c-copper);font-size:13px;}
.side-foot{margin-top:auto;padding:18px 8px 0;font-size:12px;line-height:1.9;color:#8D8272;}
.side-foot .social{display:flex;gap:10px;margin-bottom:10px;}
.side-foot .social span{
  width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(239,231,218,.10);color:#DED3C4;font-size:13px;transition:background var(--tr),color var(--tr);
}
.side-foot .social span:hover{background:var(--c-copper);color:#fff;}
@media (max-height:760px){
  .side-foot{display:none;}
}

/* ============ 移动端顶栏与抽屉 ============ */
.topbar{
  display:none;position:sticky;top:0;z-index:70;height:60px;
  background:var(--c-ink);color:#fff;align-items:center;justify-content:space-between;
  padding:0 16px;
}
.topbar .brand-mini{display:flex;align-items:center;gap:10px;}
.topbar .brand-mini strong{font-size:20px;font-weight:800;letter-spacing:.06em;}
.topbar .brand-mini span{font-size:12px;color:var(--c-sand);letter-spacing:.1em;}
.burger{
  width:44px;height:44px;border:1px solid rgba(239,231,218,.28);background:transparent;
  border-radius:10px;color:var(--c-sand);display:flex;align-items:center;justify-content:center;font-size:16px;
  transition:background var(--tr),color var(--tr);
}
.burger:hover{background:rgba(239,231,218,.12);color:#fff;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;
  background:var(--c-ink);color:var(--c-sand);z-index:90;
  transform:translateX(102%);transition:transform 260ms cubic-bezier(.2,.7,.3,1);
  padding:24px 20px;overflow-y:auto;display:flex;flex-direction:column;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-head .brand-sub{font-size:12px;}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid rgba(239,231,218,.28);
  background:transparent;color:var(--c-sand);font-size:15px;
}
.drawer-close:hover{background:rgba(239,231,218,.12);color:#fff;}
.drawer .nav-link{display:flex;align-items:center;gap:10px;padding:13px 14px;border-radius:10px;font-size:15px;color:#DED3C4;}
.drawer .nav-link.is-active{background:rgba(239,231,218,.10);color:#fff;border-left:3px solid var(--c-copper);}
.drawer .side-cta{margin:18px 0 0;width:100%;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(31,26,22,.55);z-index:85;
  opacity:0;visibility:hidden;transition:opacity var(--tr),visibility var(--tr);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ============ 主内容 ============ */
.page{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column;}
main{flex:1;}
.section{padding:var(--pad-sec) 0;}
.section--cream{background:var(--c-cream);}
.section--sand{background:var(--c-sand);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
h2{
  position:relative;font-size:28px;line-height:1.3;font-weight:700;color:var(--t-1);
  padding-left:14px;
}
h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;background:var(--c-copper);border-radius:2px;
}
.section-head p{font-size:14px;color:var(--t-2);margin-top:8px;padding-left:14px;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;color:var(--c-copper);font-size:15px;font-weight:600;
  transition:color var(--tr),transform var(--tr);white-space:nowrap;
}
.link-more::after{content:"→";transition:transform var(--tr);}
.link-more:hover{color:var(--c-copper-d);text-decoration:underline;}
.link-more:hover::after{transform:translateX(2px);}

/* ============ Hero ============ */
.hero{position:relative;background:var(--c-cream);overflow:hidden;}
.hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(180,98,45,.16),transparent 68%);pointer-events:none;
}
.hero-inner{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  padding:60px 0 76px;position:relative;z-index:1;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(180,98,45,.1);color:var(--c-copper);
  border-radius:var(--r-badge);padding:6px 12px;font-size:12px;letter-spacing:.06em;font-weight:600;
}
h1{
  font-family:"Songti SC","Source Han Serif SC","Noto Serif SC",serif;
  font-size:clamp(34px,3.4vw,52px);line-height:1.2;font-weight:700;color:var(--t-1);
  margin:20px 0 18px;
}
.hero-sub{font-size:17px;line-height:1.85;color:var(--t-2);max-width:560px;}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-points{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;font-size:14px;color:var(--t-2);}
.hero-points span{display:inline-flex;align-items:center;gap:7px;}
.hero-points span + span{border-left:1px solid var(--line);padding-left:12px;}
.hero-points i{color:var(--c-olive);font-size:13px;}
.hero-media{position:relative;}
.hero-media img{border-radius:16px;box-shadow:var(--sh-2);aspect-ratio:4/3;object-fit:cover;width:100%;}
.hero-float{
  position:absolute;left:-24px;bottom:28px;background:#fff;border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:16px 20px;border:1px solid var(--line);
}
.hero-float strong{display:block;font-size:22px;color:var(--c-copper);font-variant-numeric:tabular-nums;}
.hero-float span{font-size:13px;color:var(--t-2);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background var(--tr),color var(--tr),border-color var(--tr),transform var(--tr),box-shadow var(--tr);
}
.btn-primary{background:var(--c-copper);color:#fff;}
.btn-primary:hover{background:var(--c-copper-d);transform:translateY(-1px);box-shadow:0 10px 24px rgba(180,98,45,.3);}
.btn-primary:active{transform:translateY(0) scale(.99);}
.btn-ghost{background:transparent;border-color:var(--c-copper);color:var(--c-ink);}
.btn-ghost:hover{background:rgba(180,98,45,.08);}
.btn-ghost-light{background:transparent;border-color:var(--c-sand);color:var(--c-sand);}
.btn-ghost-light:hover{background:rgba(239,231,218,.14);}
.btn-sm{height:38px;padding:0 18px;font-size:13px;}

/* ============ 数据徽章条 ============ */
.stats-band{background:var(--c-ink);color:var(--c-sand);}
.stats-band .container{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding-top:28px;padding-bottom:28px;}
.stat-item{padding:4px 26px;border-left:1px solid rgba(239,231,218,.16);}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-item strong{display:block;font-size:26px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.stat-item span{font-size:13px;color:#B7AB9A;}

/* ============ 分类快捷入口 ============ */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.cat-card{
  position:relative;display:block;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);background:#fff;box-shadow:var(--sh-1);
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.cat-card img{aspect-ratio:16/11;object-fit:cover;width:100%;transition:transform 400ms cubic-bezier(.2,.7,.3,1);}
.cat-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(31,26,22,0) 38%,rgba(31,26,22,.78) 100%);
}
.cat-card-body{position:absolute;left:18px;right:18px;bottom:16px;z-index:2;color:#fff;}
.cat-card-body h3{font-size:18px;font-weight:600;letter-spacing:.02em;}
.cat-card-body span{font-size:12px;color:rgba(255,255,255,.82);letter-spacing:.06em;}
.cat-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(180,98,45,.35);}
.cat-card:hover img{transform:scale(1.03);}

/* ============ 商品卡片 ============ */
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.product-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.product-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(180,98,45,.35);}
.product-media{position:relative;overflow:hidden;border-radius:var(--r-img);margin:10px 10px 0;}
.product-media img{aspect-ratio:4/5;object-fit:cover;width:100%;transition:transform 420ms cubic-bezier(.2,.7,.3,1);}
.product-card:hover .product-media img{transform:scale(1.03);}
.badge{
  position:absolute;left:12px;top:12px;border-radius:var(--r-badge);
  font-size:12px;letter-spacing:.06em;padding:4px 10px;color:#fff;font-weight:600;line-height:1.5;
}
.badge-new{background:var(--c-olive);}
.badge-hot{background:var(--c-copper);}
.badge-sold{background:rgba(154,145,136,.35);color:#4B443C;}
.product-body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:8px;flex:1;}
.product-body h3{font-size:17px;font-weight:600;line-height:1.5;}
.product-meta{font-size:13px;color:var(--t-2);}
.price-row{display:flex;align-items:baseline;gap:10px;margin-top:auto;font-variant-numeric:tabular-nums;}
.price-now{font-size:20px;font-weight:700;color:var(--c-copper);}
.price-old{font-size:14px;color:var(--t-3);text-decoration:line-through;}
.product-action{margin-top:12px;}
.product-action .btn{width:100%;height:42px;font-size:14px;}
.product-card .btn-ghost{border-color:var(--line);color:var(--t-1);}
.product-card:hover .btn-ghost{border-color:var(--c-copper);background:var(--c-copper);color:#fff;}

/* ============ 评价轮播 ============ */
.review-wrap{position:relative;}
.review-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 2px 18px;scrollbar-width:thin;
}
.review-track::-webkit-scrollbar{height:6px;}
.review-track::-webkit-scrollbar-thumb{background:rgba(180,98,45,.35);border-radius:6px;}
.review-card{
  flex:0 0 calc((100% - 40px)/3);scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:14px;
}
.review-head{display:flex;align-items:center;gap:12px;}
.avatar{
  width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--c-sand);color:var(--c-copper);font-weight:700;font-size:17px;flex:0 0 44px;
}
.review-head strong{font-size:15px;font-weight:600;display:block;}
.review-head span{font-size:12px;color:var(--t-3);}
.stars{color:var(--c-copper);font-size:13px;letter-spacing:2px;}
.review-card p{font-size:15px;line-height:1.8;color:var(--t-2);}
.review-item{font-size:13px;color:var(--t-3);border-top:1px solid var(--line);padding-top:12px;margin-top:auto;}
.review-nav{display:flex;gap:10px;justify-content:flex-end;margin-top:6px;}
.review-nav button{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--c-copper);background:transparent;
  color:var(--c-copper);transition:background var(--tr),color var(--tr);
}
.review-nav button:hover{background:var(--c-copper);color:#fff;}

/* ============ 资讯列表（CMS） ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.news-card{
  display:flex;flex-direction:column;gap:12px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-card);padding:22px;
  box-shadow:var(--sh-1);transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(180,98,45,.35);}
.news-card h3{
  font-size:18px;font-weight:600;line-height:1.5;color:var(--t-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--tr);
}
.news-card:hover h3{color:var(--c-copper);}
.news-card p{
  font-size:14px;color:var(--t-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--t-3);margin-top:auto;padding-top:10px;border-top:1px solid var(--line);}
.chip{
  display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:var(--r-badge);
  padding:2px 8px;font-size:12px;color:var(--c-copper);background:rgba(180,98,45,.06);
}
.news-meta .arrow{margin-left:auto;color:var(--c-copper);}
.empty-state{
  grid-column:1/-1;text-align:center;padding:52px 20px;color:var(--t-2);
  border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
}
.empty-state i{font-size:26px;color:var(--c-copper);display:block;margin-bottom:12px;}
.empty-state a{color:var(--c-copper);text-decoration:underline;}

/* ============ 保障条 ============ */
.guarantee{border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.guarantee .container{display:flex;align-items:center;gap:0;padding-top:26px;padding-bottom:26px;flex-wrap:wrap;}
.g-item{flex:1 1 0;display:flex;align-items:flex-start;gap:12px;padding:0 26px;border-left:1px solid var(--line);}
.g-item:first-child{border-left:0;padding-left:0;}
.g-item i{color:var(--c-copper);font-size:18px;margin-top:4px;}
.g-item strong{display:block;font-size:15px;font-weight:600;}
.g-item span{font-size:13px;color:var(--t-2);}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  background:var(--c-cream);border:1px solid var(--line);border-radius:var(--r-card);
  padding:0 22px;transition:border-color var(--tr),box-shadow var(--tr);
}
.faq-item:hover{border-color:rgba(180,98,45,.35);}
.faq-item + .faq-item{margin-top:0;}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 0;display:flex;align-items:center;gap:16px;
  font-size:16px;font-weight:600;color:var(--t-1);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"＋";margin-left:auto;color:var(--c-copper);font-size:17px;font-weight:600;line-height:1;
}
.faq-item[open] summary::after{content:"－";}
.faq-item p{font-size:15px;line-height:1.8;color:var(--t-2);padding:0 0 22px;border-top:1px solid var(--line);padding-top:16px;}

/* ============ CTA 通栏 ============ */
.cta-band{
  background-color:var(--c-ink);
  background-image:linear-gradient(rgba(43,33,24,.93),rgba(43,33,24,.93)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;color:var(--c-sand);
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:64px 0;}
.cta-inner h2{color:#fff;font-size:28px;}
.cta-inner h2::before{background:var(--c-copper);}
.cta-inner p{font-size:15px;color:#C4B8A7;margin-top:12px;max-width:620px;padding-left:14px;}
.cta-inner .btn-primary{flex:0 0 auto;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:#B7AB9A;padding:60px 0 26px;}
.footer-brand .brand-mark{color:#fff;font-size:26px;}
.footer-brand .brand-sub{color:var(--c-sand);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-grid h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px;letter-spacing:.04em;}
.footer-grid p{font-size:14px;line-height:1.9;}
.footer-grid li{margin-bottom:10px;}
.footer-grid a{font-size:14px;color:#B7AB9A;transition:color var(--tr);}
.footer-grid a:hover{color:var(--c-copper);}
.footer-contact li{display:flex;gap:10px;font-size:14px;align-items:flex-start;}
.footer-contact i{color:var(--c-copper);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(239,231,218,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#8D8272;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .product-grid{grid-template-columns:repeat(3,1fr);}
  .cat-grid{grid-template-columns:repeat(2,1fr);}
  .review-card{flex:0 0 calc((100% - 20px)/2);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  :root{--pad-sec:68px;}
  .side-nav{display:none;}
  .topbar{display:flex;}
  .page{margin-left:0;}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:40px 0 56px;}
  .hero-media img{aspect-ratio:16/10;}
  .hero-float{left:16px;bottom:16px;}
  .stats-band .container{grid-template-columns:repeat(2,1fr);gap:24px 0;}
  .stat-item:nth-child(3){border-left:0;padding-left:0;}
  .g-item{flex:1 1 45%;border-left:0;padding:12px 0;}
  .g-item:first-child{padding-top:0;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:52px 0;}
  .cta-inner .btn-primary{width:100%;}
  .review-nav{display:none;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
}
@media (max-width:767px){
  :root{--pad-sec:52px;}
  h2{font-size:23px;}
  h1{font-size:30px;}
  .product-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .cat-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .review-card{flex:0 0 88%;}
  .guarantee .container{flex-direction:column;align-items:flex-start;}
  .g-item{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
}
@media (max-width:520px){
  .product-grid{grid-template-columns:1fr;}
  .stats-band .container{grid-template-columns:1fr;gap:20px;}
  .stat-item{border-left:0;padding-left:0;}
  .hero-btns .btn{width:100%;}
  .hero-points span + span{border-left:0;padding-left:0;}
  .hero-points{flex-direction:column;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .cat-card:hover img,.product-card:hover .product-media img{transform:none;}
  .product-card:hover,.cat-card:hover,.news-card:hover{transform:none;}
}

/* roulang page: article */
:root{
  --c-ink:#2B2118;
  --c-sand:#EFE7DA;
  --c-cream:#F7F3EC;
  --c-copper:#B4622D;
  --c-copper-d:#95491B;
  --c-olive:#6B7A52;
  --t-1:#1F1A16;
  --t-2:#6E655C;
  --t-3:#9A9188;
  --line:#E3D9CB;
  --r-card:14px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(43,33,24,.06);
  --sh-2:0 12px 28px rgba(43,33,24,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --tf:180ms;
  --nav-w:240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,figure,blockquote,dl,dd{margin:0;padding:0}
body{
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t-1);
  background:var(--c-cream);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-copper);text-decoration:none;transition:color var(--tf) var(--ease)}
a:hover{color:var(--c-copper-d)}
button{font-family:inherit;cursor:pointer}
ul{list-style:none}
h1,h2,h3,h4{color:var(--c-ink);line-height:1.35}
:focus-visible{outline:2px solid var(--c-copper);outline-offset:2px;border-radius:4px}
.no-scroll{overflow:hidden}

/* ---------- 品牌标识 ---------- */
.brand{display:inline-flex;text-decoration:none;color:inherit}
.brand-mark{font-weight:800;letter-spacing:.06em;color:#fff;font-variant-numeric:tabular-nums}
.brand-line{display:block;background:var(--c-copper);border-radius:2px}
.brand-sub{letter-spacing:.14em;color:rgba(239,231,218,.80)}
.brand-vert{flex-direction:column;align-items:flex-start;gap:8px}
.brand-vert .brand-mark{font-size:30px;line-height:1}
.brand-vert .brand-line{width:26px;height:2px}
.brand-vert .brand-sub{font-size:13px}
.brand-horiz{flex-direction:row;align-items:center;gap:10px}
.brand-horiz .brand-mark{font-size:20px;line-height:1}
.brand-horiz .brand-line{width:1px;height:18px}
.brand-horiz .brand-sub{font-size:12.5px}

/* ---------- 左侧竖向导航 ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;
  width:var(--nav-w);
  background:var(--c-ink);
  display:flex;flex-direction:column;
  padding:26px 0 18px;
  overflow-y:auto;
  z-index:80;
  scrollbar-width:thin;
}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:rgba(239,231,218,.18);border-radius:3px}
.sidebar .brand-vert{padding:0 24px 0}
.nav-list{display:flex;flex-direction:column;gap:2px;padding:0 12px;margin:26px 0 0}
.nav-link{
  position:relative;
  display:flex;align-items:center;gap:11px;
  padding:11px 14px;
  border-radius:10px;
  font-size:15px;
  color:rgba(239,231,218,.80);
  transition:background var(--tf) var(--ease),color var(--tf) var(--ease);
}
.nav-link i{width:18px;text-align:center;font-size:14px;opacity:.85}
.nav-link:hover{background:rgba(239,231,218,.08);color:#fff}
.nav-link.is-active{background:rgba(239,231,218,.10);color:#fff}
.nav-link.is-active::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;
  border-radius:2px;background:var(--c-copper);
}
.side-sep{height:1px;background:rgba(239,231,218,.14);margin:20px 24px}
.side-cta{
  display:flex;align-items:center;justify-content:center;
  margin:0 24px;
  height:46px;padding:0 18px;
  background:var(--c-copper);color:#fff;
  border-radius:999px;font-size:15px;font-weight:600;
  box-shadow:0 6px 16px rgba(180,98,45,.28);
  transition:background var(--tf) var(--ease),transform var(--tf) var(--ease),box-shadow var(--tf) var(--ease);
}
.side-cta:hover{background:var(--c-copper-d);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(180,98,45,.34)}
.side-cta:active{transform:translateY(0) scale(.99)}
.side-help{display:flex;flex-direction:column;gap:2px;padding:0 12px;margin-top:4px}
.side-help a{
  display:flex;align-items:center;gap:11px;
  padding:9px 14px;border-radius:10px;
  font-size:14px;color:rgba(239,231,218,.72);
  transition:background var(--tf) var(--ease),color var(--tf) var(--ease);
}
.side-help a i{width:18px;text-align:center;font-size:13px;color:var(--c-copper)}
.side-help a:hover{background:rgba(239,231,218,.07);color:#fff}
.side-foot{margin-top:auto;padding:22px 24px 0;font-size:12px;color:rgba(239,231,218,.46);line-height:1.9}
.side-foot p{margin:0}
.side-social{display:flex;gap:12px;margin-top:10px}
.side-social a{color:rgba(239,231,218,.55);font-size:14px}
.side-social a:hover{color:var(--c-copper)}

/* ---------- 移动端顶栏 ---------- */
.mobile-bar{
  display:none;
  position:sticky;top:0;left:0;right:0;
  height:60px;padding:0 16px;
  background:var(--c-ink);
  align-items:center;justify-content:space-between;
  z-index:90;
  box-shadow:0 2px 10px rgba(31,26,22,.18);
}
.burger{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(239,231,218,.10);
  border:1px solid rgba(239,231,218,.18);
  border-radius:12px;
  color:var(--c-sand);font-size:17px;
  transition:background var(--tf) var(--ease);
}
.burger:hover{background:rgba(239,231,218,.18)}
.mask{display:none}

/* ---------- 主体 ---------- */
.site-main{margin-left:var(--nav-w);padding-top:36px;min-height:60vh}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px}

/* ---------- 面包屑 ---------- */
.breadcrumb{margin-bottom:26px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;font-size:13px;color:var(--t-3);list-style:none}
.breadcrumb li{display:flex;align-items:center}
.breadcrumb li:not(:first-child)::before{content:"/";margin:0 9px;color:#C9BFB2}
.breadcrumb a{color:var(--t-2)}
.breadcrumb a:hover{color:var(--c-copper)}
.breadcrumb .current{color:var(--t-3);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-head{max-width:840px}
.tag-badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;
  border-radius:6px;
  background:var(--c-olive);color:#fff;
  font-size:12px;letter-spacing:.06em;
}
.article-head h1{
  font-family:"Songti SC","Source Han Serif SC","Noto Serif SC",Georgia,serif;
  font-size:clamp(26px,3.1vw,42px);
  line-height:1.3;
  font-weight:700;
  color:var(--c-ink);
  margin:16px 0 18px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:var(--t-2)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--c-copper);font-size:13px}
.head-rule{height:1px;background:var(--line);margin:24px 0 40px}

/* ---------- 正文排版 ---------- */
.article-body{
  max-width:780px;
  font-size:17px;line-height:1.9;
  color:var(--t-1);
  overflow-wrap:break-word;
}
.article-body p{margin:0 0 18px}
.article-body h2{
  position:relative;
  font-size:24px;font-weight:700;line-height:1.4;
  color:var(--c-ink);
  margin:44px 0 18px;
  padding-left:15px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:3px;
  border-radius:2px;background:var(--c-copper);
}
.article-body h3{font-size:19px;font-weight:600;color:var(--c-ink);margin:30px 0 12px}
.article-body h4{font-size:17px;font-weight:600;color:var(--c-ink);margin:24px 0 10px}
.article-body a{color:var(--c-copper);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--c-copper-d)}
.article-body strong{font-weight:600;color:var(--c-ink)}
.article-body img{border-radius:var(--r-img);margin:8px auto 10px;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:14px;color:var(--t-2);text-align:center;margin-top:10px}
.article-body ul,.article-body ol{padding-left:24px;margin:0 0 20px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:9px}
.article-body ul li::marker,.article-body ol li::marker{color:var(--c-copper)}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;
  background:var(--c-sand);
  border-left:3px solid var(--c-copper);
  border-radius:0 10px 10px 0;
  color:var(--t-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{
  width:100%;border-collapse:collapse;
  margin:22px 0;font-size:15px;
  border:1px solid var(--line);
  border-radius:var(--r-img);overflow:hidden;
}
.article-body th{background:var(--c-cream);color:var(--c-ink);font-weight:600;text-align:left}
.article-body th,.article-body td{padding:11px 14px;border:1px solid var(--line);font-variant-numeric:tabular-nums}
.article-body tbody tr:nth-child(even) td{background:#FBF8F4}
.article-body hr{border:0;height:1px;background:var(--line);margin:34px 0}

/* 空态 */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;padding:72px 24px;
  background:var(--c-cream);
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  color:var(--t-2);font-size:15px;
}
.empty-state i{font-size:32px;color:var(--t-3)}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--c-copper);font-size:15px;font-weight:600}
.text-link i{font-size:12px;transition:transform var(--tf) var(--ease)}
.text-link:hover{color:var(--c-copper-d);text-decoration:underline}
.text-link:hover i{transform:translateX(2px)}

/* ---------- 标签组 ---------- */
.article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:48px 0 0}
.article-tags .tags-label{font-size:13px;color:var(--t-3);letter-spacing:.06em;margin-right:2px}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  height:34px;padding:0 16px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:13.5px;color:var(--t-2);
  transition:border-color var(--tf) var(--ease),color var(--tf) var(--ease),background var(--tf) var(--ease);
}
.pill:hover{border-color:rgba(180,98,45,.45);color:var(--c-copper);background:rgba(180,98,45,.06)}

/* ---------- 通用板块标题 ---------- */
.section{margin-top:72px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head h2{
  position:relative;
  font-size:26px;font-weight:700;color:var(--c-ink);
  padding-left:14px;line-height:1.3;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;
  border-radius:2px;background:var(--c-copper);
}
.section-head .head-note{font-size:14px;color:var(--t-2)}

/* ---------- 延伸阅读双卡 ---------- */
.duo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.duo-card{
  display:flex;flex-direction:column;gap:8px;
  padding:24px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform var(--tf) var(--ease),box-shadow var(--tf) var(--ease),border-color var(--tf) var(--ease);
}
.duo-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(180,98,45,.35)}
.duo-card .duo-kicker{font-size:12px;letter-spacing:.08em;color:var(--c-copper)}
.duo-card h3{font-size:18px;font-weight:600;color:var(--c-ink);line-height:1.5}
.duo-card p{font-size:14px;color:var(--t-2);line-height:1.75}
.duo-card .duo-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--c-copper);font-weight:600;margin-top:2px}
.duo-card:hover h3{color:var(--c-copper)}

/* ---------- 相关推荐卡片 ---------- */
.rec-grid{margin-left:-14px;margin-right:-14px}
.rec-grid>.cell{padding-left:14px;padding-right:14px;margin-bottom:28px}
.rec-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform var(--tf) var(--ease),box-shadow var(--tf) var(--ease),border-color var(--tf) var(--ease);
}
.rec-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(180,98,45,.35)}
.rec-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-sand)}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.rec-card:hover .rec-thumb img{transform:scale(1.03)}
.rec-thumb .corner{
  position:absolute;left:12px;top:12px;
  height:24px;padding:0 10px;border-radius:6px;
  display:inline-flex;align-items:center;
  font-size:12px;color:#fff;background:var(--c-olive);
}
.rec-body{display:flex;flex-direction:column;gap:8px;padding:18px 18px 20px}
.rec-body h3{font-size:18px;font-weight:600;line-height:1.5;color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-card:hover .rec-body h3{color:var(--c-copper)}
.rec-body p{font-size:14px;color:var(--t-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-meta{display:flex;align-items:center;justify-content:space-between;margin-top:4px;font-size:13px;color:var(--t-3)}
.rec-meta i{font-size:12px;color:var(--c-copper)}

/* ---------- 侧栏 ---------- */
.side-col{display:none}
.side-sticky{position:sticky;top:32px;display:flex;flex-direction:column;gap:20px}
.side-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1)}
.side-panel h3{font-size:16px;font-weight:700;color:var(--c-ink);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-panel h3 i{color:var(--c-copper);font-size:14px}
.side-list{display:flex;flex-direction:column;gap:14px}
.side-item{display:flex;gap:12px;align-items:flex-start}
.side-item .mini{width:64px;height:64px;flex:0 0 64px;border-radius:10px;overflow:hidden;background:var(--c-sand)}
.side-item .mini img{width:100%;height:100%;object-fit:cover}
.side-item span{font-size:14px;line-height:1.6;color:var(--t-1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.side-item:hover span{color:var(--c-copper)}
.side-facts{display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:var(--t-2)}
.side-facts li{display:flex;align-items:flex-start;gap:9px;line-height:1.6}
.side-facts i{color:var(--c-olive);font-size:13px;margin-top:4px}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  position:relative;
  margin-top:80px;
  background:var(--c-ink) url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  color:var(--c-sand);
}
.cta-band::before{content:"";position:absolute;inset:0;background:rgba(43,33,24,.88)}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:56px 0}
.cta-inner h2{font-size:26px;font-weight:700;color:#fff;margin-bottom:10px;line-height:1.4}
.cta-inner p{font-size:15px;color:rgba(239,231,218,.78);max-width:620px;line-height:1.8}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;flex:0 0 auto;
  background:var(--c-copper);color:#fff;
  border:0;border-radius:999px;
  font-size:15px;font-weight:600;
  box-shadow:0 6px 16px rgba(180,98,45,.26);
  transition:background var(--tf) var(--ease),transform var(--tf) var(--ease),box-shadow var(--tf) var(--ease);
}
.btn-primary:hover{background:var(--c-copper-d);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(180,98,45,.34)}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;
  background:transparent;color:var(--c-ink);
  border:1px solid var(--c-copper);border-radius:999px;
  font-size:15px;font-weight:600;
  transition:background var(--tf) var(--ease),color var(--tf) var(--ease);
}
.btn-ghost:hover{background:rgba(180,98,45,.08);color:var(--c-copper-d)}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-left:var(--nav-w);
  margin-top:0;
  background:var(--c-ink);
  color:var(--c-sand);
  padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-grid h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-grid ul{display:flex;flex-direction:column;gap:10px}
.footer-grid a{font-size:14px;color:rgba(239,231,218,.72)}
.footer-grid a:hover{color:var(--c-copper)}
.site-footer .brand{flex-direction:row;align-items:center;gap:10px;padding:0 0 14px}
.site-footer .brand-mark{font-size:22px;line-height:1}
.site-footer .brand-line{width:1px;height:18px}
.site-footer .brand-sub{font-size:13px}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(239,231,218,.66);max-width:380px}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(239,231,218,.72);line-height:1.7}
.footer-contact i{color:var(--c-copper);font-size:13px;margin-top:5px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  margin-top:48px;padding:22px 0 26px;
  border-top:1px solid rgba(239,231,218,.14);
  font-size:13px;color:rgba(239,231,218,.50);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{gap:0}
}
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px}
  .side-col{display:block}
}
@media (max-width:991px){
  .mobile-bar{display:flex}
  .sidebar{
    width:280px;
    transform:translateX(-100%);
    transition:transform 240ms var(--ease);
    z-index:100;
    padding-top:22px;
  }
  .sidebar.is-open{transform:translateX(0)}
  .mask{
    display:block;position:fixed;inset:0;
    background:rgba(31,26,22,.55);
    opacity:0;visibility:hidden;
    transition:opacity 200ms var(--ease),visibility 200ms;
    z-index:95;
  }
  .mask.is-show{opacity:1;visibility:visible}
  .site-main{margin-left:0;padding-top:26px}
  .site-footer{margin-left:0}
  .container{padding:0 18px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:44px 0}
  .cta-inner .btn-primary{width:100%}
  .section{margin-top:58px}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .container{padding:0 16px}
  .article-head h1{font-size:26px}
  .article-body{font-size:16px;line-height:1.9}
  .article-body h2{font-size:21px;margin-top:34px}
  .article-body h3{font-size:18px}
  .duo-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .section-head h2{font-size:22px}
  .cta-inner h2{font-size:22px}
  .breadcrumb .current{max-width:190px}
  .article-tags{margin-top:36px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .rec-card:hover,.duo-card:hover,.btn-primary:hover,.side-cta:hover{transform:none}
  .rec-card:hover .rec-thumb img{transform:none}
}

/* roulang page: category1 */
:root{
  --c-ink:#2B2118;
  --c-sand:#EFE7DA;
  --c-cream:#F7F3EC;
  --c-copper:#B4622D;
  --c-copper-dark:#95491B;
  --c-copper-soft:rgba(180,98,45,.08);
  --c-olive:#6B7A52;
  --t-1:#1F1A16;
  --t-2:#6E655C;
  --t-3:#9A9188;
  --line:#E3D9CB;
  --radius-card:14px;
  --radius-img:12px;
  --radius-field:10px;
  --shadow-1:0 1px 2px rgba(43,33,24,.06);
  --shadow-2:0 12px 28px rgba(43,33,24,.14);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
  --nav-w:240px;
  --sec-y:88px;
  --sans:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --serif:"Songti SC","Source Han Serif SC","Noto Serif SC",Georgia,serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  color:var(--t-1);
  background:var(--c-cream);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-copper);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease);}
a:hover{color:var(--c-copper-dark);}
p{margin:0 0 16px;color:var(--t-2);}
h1,h2,h3,h4{margin:0;color:var(--t-1);font-family:var(--sans);letter-spacing:.01em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-copper);outline-offset:2px;}
::selection{background:rgba(180,98,45,.18);}

/* ---------- 布局骨架 ---------- */
.site-main{
  margin-left:var(--nav-w);
  min-height:100vh;
  background:var(--c-cream);
  overflow-x:hidden;
}
.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1440px){.container{padding:0 32px;}}
.row{max-width:none;margin-left:-12px;margin-right:-12px;}
.row .row{margin-left:-12px;margin-right:-12px;}
.column,.columns{padding-left:12px;padding-right:12px;}

/* ---------- 左侧导航 ---------- */
.side-nav{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--nav-w);
  background:var(--c-ink);
  color:var(--c-sand);
  display:flex;
  flex-direction:column;
  padding:28px 18px 22px;
  overflow-y:auto;
  z-index:60;
}
.side-nav::-webkit-scrollbar{width:6px;}
.side-nav::-webkit-scrollbar-thumb{background:rgba(239,231,218,.18);border-radius:3px;}
.brand{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:0;
  text-decoration:none;
  padding:0 0 6px 2px;
}
.brand-mark{
  font-size:26px;
  font-weight:800;
  letter-spacing:.16em;
  line-height:1.12;
  color:#FFFFFF;
}
.brand-line{
  display:block;
  width:24px;
  height:2px;
  background:var(--c-copper);
  margin:7px 0;
  border-radius:2px;
}
.brand-sub{
  font-size:13px;
  letter-spacing:.2em;
  color:#CDBFAC;
  line-height:1.4;
}
.nav-list{
  display:flex;
  flex-direction:column;
  gap:2px;
  margin-top:26px;
}
.nav-link{
  position:relative;
  display:flex;
  align-items:center;
  gap:11px;
  min-height:44px;
  padding:10px 14px;
  border-radius:10px;
  font-size:15px;
  color:#C6B8A5;
  transition:background-color var(--ease),color var(--ease);
}
.nav-link i{
  width:18px;
  text-align:center;
  font-size:14px;
  color:var(--c-copper);
  transition:color var(--ease);
}
.nav-link:hover{background:rgba(239,231,218,.08);color:#FFFFFF;}
.nav-link:hover i{color:#D08A55;}
.nav-link.is-active{background:rgba(239,231,218,.10);color:#FFFFFF;}
.nav-link.is-active i{color:#D08A55;}
.nav-link.is-active::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  width:3px;height:22px;
  margin-top:-11px;
  border-radius:2px;
  background:var(--c-copper);
}
.side-cta{
  display:flex;
  align-items:center;
  justify-content:center;
  height:48px;
  margin-top:22px;
  border-radius:999px;
  background:var(--c-copper);
  color:#FFFFFF;
  font-size:15px;
  font-weight:600;
  letter-spacing:.04em;
  transition:background-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.side-cta:hover{background:var(--c-copper-dark);color:#FFFFFF;transform:translateY(-1px);box-shadow:0 10px 22px rgba(180,98,45,.3);}
.side-sep{height:1px;background:rgba(239,231,218,.14);margin:22px 0;}
.side-help h3{font-size:14px;font-weight:600;color:#EFE7DA;margin-bottom:6px;letter-spacing:.04em;}
.side-help p{font-size:13px;color:#9C8F7E;margin:0 0 10px;}
.side-help-link{font-size:13px;color:#D08A55;display:inline-flex;align-items:center;gap:6px;}
.side-help-link:hover{color:#EFE7DA;}
.side-help-link i{font-size:11px;transition:transform var(--ease);}
.side-help-link:hover i{transform:translateX(2px);}
.side-foot{margin-top:auto;font-size:12px;line-height:1.8;color:#8B7F6E;padding-top:6px;}
.side-foot p{margin:0;font-size:12px;color:#8B7F6E;}
@media (max-height:760px){
  .side-foot{display:none;}
  .side-help{display:none;}
}

/* ---------- 移动端顶栏与抽屉 ---------- */
.topbar{
  display:none;
  position:sticky;
  top:0;
  height:60px;
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  background:var(--c-ink);
  z-index:60;
  box-shadow:0 1px 0 rgba(239,231,218,.10);
}
.brand-compact{flex-direction:row;align-items:center;gap:10px;padding:0;}
.brand-compact .brand-mark{font-size:20px;letter-spacing:.14em;}
.brand-compact .brand-sub{font-size:11px;letter-spacing:.16em;}
.menu-btn{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;
  border:1px solid rgba(239,231,218,.28);
  border-radius:10px;
  color:var(--c-sand);
  font-size:16px;
  cursor:pointer;
  transition:background-color var(--ease),border-color var(--ease);
}
.menu-btn:hover{background:rgba(239,231,218,.10);border-color:rgba(239,231,218,.5);}
.drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:288px;
  max-width:86vw;
  background:var(--c-ink);
  padding:22px 18px 28px;
  overflow-y:auto;
  transform:translateX(102%);
  transition:transform 240ms cubic-bezier(.2,.7,.3,1);
  z-index:80;
}
.drawer.is-open{transform:translateX(0);}
.drawer .nav-list{margin-top:24px;}
.drawer .side-cta{margin-top:20px;}
.drawer-foot{margin-top:26px;font-size:12px;color:#8B7F6E;line-height:1.9;}
.drawer-foot p{margin:0;font-size:12px;color:#8B7F6E;}
.overlay{
  position:fixed;
  inset:0;
  background:rgba(31,26,22,.55);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
  z-index:70;
}
.overlay.is-open{opacity:1;visibility:visible;}

/* ---------- Banner ---------- */
.page-banner{
  position:relative;
  min-height:340px;
  display:flex;
  align-items:flex-end;
  padding:64px 0 46px;
  background-image:linear-gradient(102deg,rgba(31,26,22,.86) 0%,rgba(31,26,22,.52) 48%,rgba(31,26,22,.28) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.banner-inner{position:relative;z-index:2;}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.16em;
  color:#E4C9AE;
  margin:0 0 14px;
  text-transform:uppercase;
}
.kicker::before{content:"";width:22px;height:2px;background:var(--c-copper);border-radius:2px;}
.page-banner h1{
  font-family:var(--serif);
  font-size:clamp(34px,3.4vw,52px);
  line-height:1.2;
  font-weight:700;
  color:#FFFFFF;
  max-width:880px;
}
.banner-sub{
  margin:16px 0 0;
  font-size:16px;
  line-height:1.7;
  color:#D8CCBC;
  max-width:660px;
}

/* ---------- 面包屑 ---------- */
.crumbs{padding:22px 0 0;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t-3);}
.crumbs li{display:flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"/";color:var(--t-3);}
.crumbs a{color:var(--t-2);}
.crumbs a:hover{color:var(--c-copper);}
.crumbs [aria-current]{color:var(--t-3);}

/* ---------- 通用板块 ---------- */
.sec{padding:var(--sec-y) 0;}
.sec-alt{background:var(--c-sand);}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:34px;
  flex-wrap:wrap;
}
.sec-title{
  position:relative;
  padding-left:16px;
  font-size:28px;
  line-height:1.3;
  font-weight:700;
}
.sec-title::before{
  content:"";
  position:absolute;
  left:0;top:5px;bottom:5px;
  width:3px;
  border-radius:2px;
  background:var(--c-copper);
}
.sec-desc{
  padding-left:16px;
  margin:10px 0 0;
  font-size:15px;
  color:var(--t-2);
  max-width:760px;
}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--c-copper);
  white-space:nowrap;
}
.link-more i{font-size:12px;transition:transform var(--ease);}
.link-more:hover{color:var(--c-copper-dark);text-decoration:underline;text-underline-offset:4px;}
.link-more:hover i{transform:translateX(3px);}

/* ---------- 简介与数据条 ---------- */
.intro-grid{display:flex;gap:48px;align-items:flex-start;flex-wrap:wrap;}
.intro-text{flex:1 1 420px;}
.intro-text p{font-size:17px;line-height:1.9;}
.stat-strip{
  flex:1 1 340px;
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
}
.stat-item{
  background:#FFFFFF;
  padding:22px 20px;
}
.stat-item strong{
  display:block;
  font-size:28px;
  line-height:1.2;
  font-weight:700;
  color:var(--c-copper);
  font-variant-numeric:tabular-nums;
}
.stat-item span{display:block;margin-top:6px;font-size:13px;color:var(--t-2);}

/* ---------- 商品卡片 ---------- */
.card-row{row-gap:24px;}
.p-card{
  height:100%;
  display:flex;
  flex-direction:column;
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.p-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:rgba(180,98,45,.35);
}
.p-media{
  position:relative;
  padding-top:125%;
  overflow:hidden;
  background:var(--c-sand);
}
.p-media img{
  position:absolute;
  inset:0;
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 320ms cubic-bezier(.2,.7,.3,1);
}
.p-card:hover .p-media img{transform:scale(1.03);}
.badge{
  position:absolute;
  top:12px;left:12px;
  z-index:2;
  padding:3px 9px;
  font-size:12px;
  letter-spacing:.06em;
  border-radius:6px;
  line-height:1.6;
}
.badge-new{background:var(--c-olive);color:#FFFFFF;}
.badge-hot{background:var(--c-copper);color:#FFFFFF;}
.badge-ready{background:rgba(255,255,255,.92);color:var(--t-1);}
.p-body{
  display:flex;
  flex-direction:column;
  flex:1;
  gap:8px;
  padding:16px 18px 18px;
}
.p-title{font-size:18px;font-weight:600;line-height:1.45;}
.p-meta{margin:0;font-size:14px;line-height:1.6;color:var(--t-2);}
.p-price{
  display:flex;
  align-items:baseline;
  gap:10px;
  margin-top:auto;
  padding-top:6px;
  font-variant-numeric:tabular-nums;
}
.p-price-now{font-size:20px;font-weight:700;color:var(--c-copper);}
.p-price-old{font-size:14px;color:var(--t-3);text-decoration:line-through;}
.p-actions{
  display:flex;
  align-items:center;
  gap:14px;
  margin-top:12px;
  flex-wrap:wrap;
}
.text-link{
  font-size:14px;
  color:var(--t-2);
  display:inline-flex;
  align-items:center;
  gap:5px;
}
.text-link:hover{color:var(--c-copper);}
.text-link i{font-size:11px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border:1px solid transparent;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--c-copper);color:#FFFFFF;}
.btn-primary:hover{background:var(--c-copper-dark);color:#FFFFFF;transform:translateY(-1px);box-shadow:0 10px 22px rgba(180,98,45,.28);}
.btn-primary:active{transform:translateY(0) scale(.99);box-shadow:none;}
.btn-ghost{background:transparent;border-color:var(--c-copper);color:var(--t-1);}
.btn-ghost:hover{background:var(--c-copper-soft);color:var(--t-1);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-sand{background:transparent;border-color:var(--c-sand);color:var(--c-sand);}
.btn-sand:hover{background:rgba(239,231,218,.12);color:#FFFFFF;border-color:#FFFFFF;}
.p-card .btn-ghost{background:transparent;border-color:var(--line);color:var(--t-1);}
.p-card:hover .btn-ghost{background:var(--c-copper);border-color:var(--c-copper);color:#FFFFFF;}

/* ---------- 保障条 ---------- */
.guarantee{
  background:var(--c-sand);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.guarantee-row{display:flex;flex-wrap:wrap;}
.g-item{
  flex:1 1 25%;
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:26px 20px;
  border-left:1px solid var(--line);
}
.g-item:first-child{border-left:0;}
.g-item i{
  flex:0 0 auto;
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:#FFFFFF;
  color:var(--c-copper);
  font-size:14px;
  box-shadow:var(--shadow-1);
}
.g-item strong{display:block;font-size:15px;font-weight:600;color:var(--t-1);line-height:1.5;}
.g-item span{display:block;margin-top:4px;font-size:13px;color:var(--t-2);line-height:1.6;}

/* ---------- 横向滚动组 ---------- */
.hscroll{
  display:flex;
  gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:4px 4px 16px;
  -webkit-overflow-scrolling:touch;
}
.hscroll::-webkit-scrollbar{height:6px;}
.hscroll::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px;}
.h-card{
  flex:0 0 288px;
  scroll-snap-align:start;
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.h-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(180,98,45,.35);}
.h-media{position:relative;padding-top:72%;overflow:hidden;background:var(--c-sand);}
.h-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 320ms cubic-bezier(.2,.7,.3,1);}
.h-card:hover .h-media img{transform:scale(1.03);}
.h-body{padding:16px 18px 20px;}
.h-body h3{font-size:17px;font-weight:600;margin-bottom:6px;}
.h-body p{margin:0;font-size:14px;line-height:1.7;color:var(--t-2);}

/* ---------- FAQ ---------- */
.faq-wrap{
  background:var(--c-cream);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
  padding:20px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--t-1);
  transition:background-color var(--ease),color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:rgba(180,98,45,.05);color:var(--c-copper-dark);}
.faq-mark{
  flex:0 0 auto;
  color:var(--c-copper);
  font-size:16px;
  font-weight:700;
  line-height:1.5;
  transition:transform var(--ease);
}
.faq-item[open] .faq-mark{transform:rotate(45deg);}
.faq-body{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--t-2);}
.faq-body p{margin:0;font-size:15px;line-height:1.8;color:var(--t-2);}

/* ---------- CTA ---------- */
.cta-band{background:var(--c-ink);color:var(--c-sand);}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  padding:60px 0;
  flex-wrap:wrap;
}
.cta-inner h2{
  position:relative;
  padding-left:16px;
  font-size:26px;
  line-height:1.35;
  color:#F7F3EC;
}
.cta-inner h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:3px;
  border-radius:2px;
  background:var(--c-copper);
}
.cta-inner p{
  margin:12px 0 0;
  padding-left:16px;
  font-size:15px;
  line-height:1.8;
  color:#C6B8A5;
  max-width:620px;
}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-ink);
  color:#C9BCAA;
  padding:60px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.3fr;
  gap:36px;
}
.footer-brand .brand{
  flex-direction:row;
  align-items:center;
  gap:10px;
  padding:0 0 14px;
}
.footer-brand .brand-mark{font-size:22px;color:#FFFFFF;}
.footer-brand .brand-line{width:1px;height:16px;margin:0;}
.footer-brand .brand-sub{font-size:12px;letter-spacing:.14em;color:#CDBFAC;}
.footer-brand p{font-size:14px;line-height:1.85;color:#A99C8B;margin:0;max-width:420px;}
.site-footer h4{
  font-size:15px;
  font-weight:600;
  color:#EFE7DA;
  letter-spacing:.04em;
  margin:0 0 16px;
}
.site-footer ul{display:flex;flex-direction:column;gap:10px;}
.site-footer a{font-size:14px;color:#B9AC9A;}
.site-footer a:hover{color:#D08A55;}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#B9AC9A;line-height:1.7;}
.footer-contact i{color:var(--c-copper);font-size:13px;margin-top:5px;flex:0 0 auto;}
.footer-bottom{
  margin-top:42px;
  padding-top:20px;
  border-top:1px solid rgba(239,231,218,.14);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:#8B7F6E;
}
.footer-bottom span{line-height:1.7;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .intro-grid{gap:32px;}
}
@media (max-width:991px){
  :root{--sec-y:68px;}
  .side-nav{display:none;}
  .site-main{margin-left:0;}
  .topbar{display:flex;}
  .page-banner{min-height:300px;padding:52px 0 38px;}
  .g-item{flex:1 1 50%;border-left:1px solid var(--line);}
  .g-item:nth-child(odd){border-left:0;}
  .g-item:nth-child(n+3){border-top:1px solid var(--line);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .sec-title{font-size:23px;}
  .page-banner h1{font-size:clamp(26px,6.4vw,34px);}
  .banner-sub{font-size:15px;}
  .cta-inner{padding:48px 0;flex-direction:column;align-items:flex-start;}
  .cta-inner h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .intro-text p{font-size:16px;line-height:1.85;}
}
@media (max-width:639px){
  :root{--sec-y:52px;}
  .stat-strip{grid-template-columns:1fr 1fr;}
  .h-card{flex:0 0 78%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .p-card .btn-ghost{background:var(--c-copper);border-color:var(--c-copper);color:#FFFFFF;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .p-card:hover{transform:none;}
  .p-card:hover .p-media img{transform:none;}
  .h-card:hover{transform:none;}
  .h-card:hover .h-media img{transform:none;}
}

/* roulang page: category2 */
:root{
  --c-ink:#2B2118;
  --c-sand:#EFE7DA;
  --c-cream:#F7F3EC;
  --c-copper:#B4622D;
  --c-copper-dark:#95491B;
  --c-olive:#6B7A52;
  --t-1:#1F1A16;
  --t-2:#6E655C;
  --t-3:#9A9188;
  --line:#E3D9CB;
  --r-card:14px;
  --r-img:12px;
  --r-input:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(43,33,24,.06);
  --sh-2:0 12px 28px rgba(43,33,24,.14);
  --tr:180ms cubic-bezier(.2,.7,.3,1);
  --ff-sans:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --ff-serif:"Songti SC","Source Han Serif SC","Noto Serif SC",serif;
  --side-w:240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--ff-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--t-1);
  background:var(--c-cream);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--c-copper);text-decoration:none;transition:color var(--tr),background-color var(--tr),border-color var(--tr)}
a:hover,a:focus{color:var(--c-copper-dark);text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-copper);outline-offset:2px}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;animation-iteration-count:1 !important}
}

/* ---------- 容器 ---------- */
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{padding:0 32px}}

/* ---------- 左侧导航 ---------- */
.side-nav{
  position:fixed;top:0;left:0;width:var(--side-w);height:100vh;
  background:var(--c-ink);color:var(--c-sand);
  overflow-y:auto;z-index:70;padding:26px 0 22px;
  scrollbar-width:thin;
}
.side-nav::-webkit-scrollbar{width:6px}
.side-nav::-webkit-scrollbar-thumb{background:rgba(239,231,218,.22);border-radius:3px}
.brand{display:flex;flex-direction:column;align-items:flex-start;padding:0 24px 22px;text-decoration:none}
.brand-mark{font-size:30px;font-weight:800;letter-spacing:.14em;line-height:1;color:#fff}
.brand-line{width:24px;height:2px;background:var(--c-copper);margin:9px 0}
.brand-sub{font-size:13px;letter-spacing:.2em;line-height:1.2;color:var(--c-sand)}
.nav-list{display:flex;flex-direction:column;padding:6px 0}
.nav-link{
  position:relative;display:flex;align-items:center;gap:11px;
  min-height:46px;padding:11px 24px;
  font-size:15px;color:rgba(239,231,218,.78);
}
.nav-link i{width:18px;text-align:center;font-size:14px;opacity:.85}
.nav-link:hover{background:rgba(239,231,218,.07);color:#fff}
.nav-link.is-active{background:rgba(239,231,218,.10);color:#fff;font-weight:600}
.nav-link.is-active::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;background:var(--c-copper);border-radius:0 2px 2px 0}
.side-divider{height:1px;background:rgba(239,231,218,.14);margin:16px 24px}
.side-cta{padding:0 20px}
.side-help{
  display:flex;align-items:center;gap:10px;padding:12px 24px;
  font-size:14px;color:rgba(239,231,218,.75);min-height:44px;
}
.side-help:hover{color:#fff;background:rgba(239,231,218,.07)}
.side-foot{padding:14px 24px 0;font-size:12px;line-height:1.7;color:rgba(239,231,218,.45);letter-spacing:.02em}
@media (max-height:760px){
  .side-foot{display:none}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 28px;
  border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  cursor:pointer;transition:all var(--tr);
}
.btn-primary{background:var(--c-copper);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-copper-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0) scale(.99);box-shadow:var(--sh-1)}
.btn-ghost{background:transparent;border-color:var(--c-copper);color:var(--c-ink)}
.btn-ghost:hover{background:rgba(180,98,45,.08);color:var(--c-copper-dark)}
.btn-ghost:active{transform:scale(.99)}
.btn-outline-sand{background:transparent;border-color:rgba(239,231,218,.55);color:var(--c-sand)}
.btn-outline-sand:hover{background:rgba(239,231,218,.12);color:#fff;border-color:var(--c-sand)}
.btn-block{width:100%;padding:0 16px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600}
.link-arrow::after{content:"→";transition:transform var(--tr)}
.link-arrow:hover::after{transform:translateX(3px)}

/* ---------- 移动端顶栏与抽屉 ---------- */
.topbar{
  display:none;position:sticky;top:0;z-index:80;
  height:60px;background:var(--c-ink);color:var(--c-sand);
  align-items:center;justify-content:space-between;padding:0 16px;
}
.brand-mini{display:flex;align-items:center;gap:9px;text-decoration:none}
.brand-mini .brand-mark{font-size:20px;letter-spacing:.12em}
.brand-mini .brand-sub{font-size:12px;letter-spacing:.16em;padding-left:9px;border-left:1px solid var(--c-copper)}
.hamburger{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid rgba(239,231,218,.3);border-radius:10px;
  color:var(--c-sand);font-size:17px;cursor:pointer;transition:all var(--tr);
}
.hamburger:hover{background:rgba(239,231,218,.12);color:#fff}
.drawer-mask{display:none;position:fixed;inset:0;background:rgba(31,26,22,.55);z-index:88;opacity:0;transition:opacity var(--tr)}
.drawer-mask.is-open{display:block;opacity:1}
.drawer{
  position:fixed;top:0;right:0;width:280px;max-width:86vw;height:100vh;z-index:90;
  background:var(--c-ink);color:var(--c-sand);padding:22px 0;
  transform:translateX(102%);transition:transform 220ms cubic-bezier(.2,.7,.3,1);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer .nav-link{font-size:15px}

/* ---------- 主内容 ---------- */
.main{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--sand{background:var(--c-sand)}
.section-title{display:flex;align-items:center;gap:12px;font-size:28px;line-height:1.3;font-weight:700;color:var(--t-1)}
.section-title::before{content:"";width:3px;height:20px;background:var(--c-copper);border-radius:2px;flex:0 0 auto}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px}
.section-lead{margin-top:12px;font-size:16px;color:var(--t-2);max-width:760px}

/* ---------- Banner ---------- */
.page-banner{
  position:relative;min-height:352px;display:flex;align-items:flex-end;
  padding:110px 0 46px;color:#fff;
  background-image:linear-gradient(90deg,rgba(43,33,24,.86) 0%,rgba(43,33,24,.58) 52%,rgba(43,33,24,.34) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-banner .eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.16em;color:var(--c-sand);
  border:1px solid rgba(239,231,218,.4);border-radius:var(--r-badge);
  padding:4px 10px;margin-bottom:16px;
}
.page-banner h1{
  font-family:var(--ff-serif);
  font-size:clamp(30px,3.2vw,46px);line-height:1.25;font-weight:700;
  color:#fff;margin-bottom:14px;letter-spacing:.01em;
}
.page-banner p{max-width:660px;font-size:16px;line-height:1.8;color:rgba(247,243,236,.86)}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:22px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t-3)}
.breadcrumb li::after{content:"/";margin-left:8px;color:var(--line)}
.breadcrumb li:last-child::after{content:"";margin:0}
.breadcrumb a{color:var(--t-2)}
.breadcrumb a:hover{color:var(--c-copper)}
.breadcrumb .current{color:var(--t-3)}

/* ---------- 保障条 ---------- */
.assurance-bar{background:var(--c-sand);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.assurance-inner{display:flex;align-items:stretch;flex-wrap:nowrap}
.assurance-item{
  flex:1 1 0;display:flex;align-items:center;gap:12px;
  padding:20px 18px;min-width:0;
}
.assurance-item + .assurance-item{border-left:1px solid var(--line)}
.assurance-item i{font-size:18px;color:var(--c-copper);flex:0 0 auto}
.assurance-item strong{display:block;font-size:15px;font-weight:600;color:var(--t-1);line-height:1.4}
.assurance-item span{display:block;font-size:13px;color:var(--t-2);line-height:1.5}

/* ---------- 交替图文 ---------- */
.feature-rows{display:flex;flex-direction:column;gap:64px}
.feature-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center}
.feature-row.is-rev .feature-media{order:2}
.feature-media{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  aspect-ratio:16/10;background:var(--c-sand);box-shadow:var(--sh-1);
}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms cubic-bezier(.2,.7,.3,1)}
.feature-media:hover img{transform:scale(1.03)}
.feature-badge{
  position:absolute;top:12px;left:12px;z-index:2;
  padding:5px 10px;border-radius:var(--r-badge);
  font-size:12px;font-weight:600;letter-spacing:.04em;color:#fff;
}
.badge-new{background:var(--c-olive)}
.badge-hot{background:var(--c-copper)}
.feature-num{
  display:inline-block;font-size:12px;letter-spacing:.16em;color:var(--c-copper);
  border:1px solid rgba(180,98,45,.4);border-radius:var(--r-badge);
  padding:3px 9px;margin-bottom:14px;
}
.feature-body h3{font-size:20px;line-height:1.45;font-weight:600;color:var(--t-1);margin-bottom:14px}
.feature-body p{font-size:17px;line-height:1.9;color:var(--t-2);margin-bottom:14px}
.feature-body .link-arrow{margin-top:6px}

/* ---------- 参数数据块 ---------- */
.spec-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.spec-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--sh-1);transition:all var(--tr);
}
.spec-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(180,98,45,.35)}
.spec-card .num{
  font-size:26px;font-weight:700;color:var(--c-copper);
  font-variant-numeric:tabular-nums;line-height:1.25;margin-bottom:8px;
}
.spec-card h3{font-size:16px;font-weight:600;color:var(--t-1);margin-bottom:6px}
.spec-card p{font-size:14px;line-height:1.7;color:var(--t-2)}

/* ---------- 场景清单 ---------- */
.scene-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 40px}
.scene-item{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.scene-item .idx{
  flex:0 0 auto;font-size:12px;letter-spacing:.1em;color:var(--c-copper);
  padding-top:4px;font-weight:600;
}
.scene-item h3{font-size:17px;font-weight:600;color:var(--t-1);margin-bottom:4px}
.scene-item p{font-size:15px;line-height:1.8;color:var(--t-2)}

/* ---------- FAQ ---------- */
.faq-wrap{background:var(--c-sand);border-radius:var(--r-card);padding:8px 26px;border:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:16px;font-weight:600;color:var(--t-1);
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"＋";color:var(--c-copper);font-size:18px;line-height:1;flex:0 0 auto}
.faq-item[open] summary::after{content:"－"}
.faq-item summary:hover{color:var(--c-copper-dark)}
.faq-item p{padding:0 0 22px;font-size:15px;line-height:1.8;color:var(--t-2);max-width:920px}

/* ---------- CTA ---------- */
.cta-band{background:var(--c-ink);color:var(--c-sand);padding:64px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px}
.cta-inner h2{font-size:28px;line-height:1.35;font-weight:700;color:#fff;margin-bottom:12px}
.cta-inner p{font-size:16px;line-height:1.8;color:rgba(239,231,218,.78);max-width:600px}
.cta-actions{display:flex;gap:14px;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:rgba(239,231,218,.72);padding:64px 0 26px;margin-top:auto}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:38px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(239,231,218,.6);max-width:340px}
.site-footer h4{font-size:16px;font-weight:600;color:var(--c-sand);margin-bottom:16px}
.site-footer ul li{margin-bottom:10px}
.site-footer ul li a{font-size:14px;color:rgba(239,231,218,.68)}
.site-footer ul li a:hover{color:var(--c-copper)}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:rgba(239,231,218,.68)}
.footer-contact li i{color:var(--c-copper);padding-top:4px;font-size:13px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:46px;padding-top:22px;border-top:1px solid rgba(239,231,218,.14);
  font-size:13px;color:rgba(239,231,218,.48);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .spec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feature-row{gap:34px}
}
@media (max-width:991px){
  .side-nav{display:none}
  .topbar{display:flex}
  .main{margin-left:0}
  .section{padding:68px 0}
  .section--tight{padding:52px 0}
  .page-banner{min-height:300px;padding:88px 0 40px}
  .feature-rows{gap:48px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%;flex-wrap:wrap}
  .assurance-inner{flex-wrap:wrap}
  .assurance-item{flex:1 1 50%;border-left:0 !important}
  .assurance-item:nth-child(n+3){border-top:1px solid var(--line)}
  .assurance-item:nth-child(2n){border-left:1px solid var(--line) !important}
}
@media (max-width:767px){
  .feature-row{grid-template-columns:minmax(0,1fr);gap:22px}
  .feature-row.is-rev .feature-media{order:0}
  .scene-list{grid-template-columns:minmax(0,1fr)}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .spec-grid{grid-template-columns:minmax(0,1fr)}
  .cta-actions .btn{width:100%}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .section{padding:52px 0}
  .page-banner h1{font-size:26px;line-height:1.3}
  .section-title{font-size:23px}
  .cta-inner h2{font-size:23px}
  .faq-wrap{padding:6px 18px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .assurance-item{flex:1 1 100%;border-left:0 !important}
  .assurance-item + .assurance-item{border-top:1px solid var(--line)}
}

/* roulang page: category4 */
:root{
  --c-ink:#2B2118;
  --c-sand:#EFE7DA;
  --c-cream:#F7F3EC;
  --c-copper:#B4622D;
  --c-copper-dark:#95491B;
  --c-olive:#6B7A52;
  --t-1:#1F1A16;
  --t-2:#6E655C;
  --t-3:#9A9188;
  --line:#E3D9CB;
  --r-card:14px;
  --r-img:12px;
  --r-input:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(43,33,24,.06);
  --sh-2:0 12px 28px rgba(43,33,24,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-w:240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t-1);
  background:#fff;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-copper);text-decoration:none;transition:color 180ms var(--ease);}
a:hover{color:var(--c-copper-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--t-1);}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-copper);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}

/* ---------- 左侧导航 ---------- */
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:var(--nav-w);
  background:var(--c-ink);color:var(--c-sand);
  display:flex;flex-direction:column;
  padding:26px 0 18px;overflow-y:auto;z-index:60;
}
.brand{display:flex;flex-direction:column;gap:7px;padding:0 20px 22px;}
.brand-mark{font-size:26px;font-weight:800;letter-spacing:.1em;line-height:1;color:#fff;}
.brand-line{width:24px;height:2px;background:var(--c-copper);border-radius:2px;}
.brand-sub{font-size:13px;letter-spacing:.14em;color:rgba(239,231,218,.75);}
.nav-list{display:flex;flex-direction:column;gap:2px;padding:0 12px;}
.nav-link{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:12px 14px;border-radius:10px;font-size:15px;
  color:rgba(239,231,218,.78);transition:background 180ms var(--ease),color 180ms var(--ease);
}
.nav-link i{width:16px;text-align:center;font-size:14px;color:rgba(239,231,218,.55);transition:color 180ms var(--ease);}
.nav-link:hover{background:rgba(239,231,218,.07);color:#fff;}
.nav-link:hover i{color:rgba(239,231,218,.85);}
.nav-link.is-active{background:rgba(239,231,218,.10);color:#fff;}
.nav-link.is-active i{color:var(--c-copper);}
.nav-link.is-active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;border-radius:2px;background:var(--c-copper);
}
.side-divider{height:1px;background:rgba(239,231,218,.12);margin:18px 20px;}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  margin:0 20px;height:48px;border-radius:999px;
  background:var(--c-copper);color:#fff;font-size:15px;font-weight:600;
  transition:background 180ms var(--ease),transform 180ms var(--ease),box-shadow 180ms var(--ease);
}
.side-cta:hover{background:var(--c-copper-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 28px rgba(0,0,0,.3);}
.side-cta:active{transform:none;}
.side-sub{padding:16px 20px 0;font-size:13px;color:rgba(239,231,218,.62);line-height:1.9;}
.side-sub a{color:rgba(239,231,218,.85);display:flex;align-items:center;gap:10px;padding:6px 0;}
.side-sub a:hover{color:#fff;}
.side-foot{
  margin-top:auto;padding:18px 20px 0;border-top:1px solid rgba(239,231,218,.12);
  font-size:12px;line-height:1.9;color:rgba(239,231,218,.45);
}
.side-social{display:flex;gap:12px;margin-bottom:10px;}
.side-social a{
  width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(239,231,218,.22);color:rgba(239,231,218,.7);font-size:13px;
}
.side-social a:hover{background:rgba(239,231,218,.1);color:#fff;border-color:rgba(239,231,218,.4);}

/* ---------- 移动端顶部条 ---------- */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:70;
  background:var(--c-ink);align-items:center;justify-content:space-between;
  padding:0 16px;box-shadow:0 1px 2px rgba(43,33,24,.2);
}
.mobile-brand{display:flex;align-items:center;gap:8px;color:#fff;}
.mobile-brand .mb-mark{font-size:19px;font-weight:800;letter-spacing:.1em;}
.mobile-brand .mb-line{width:16px;height:2px;background:var(--c-copper);}
.mobile-brand .mb-sub{font-size:12px;letter-spacing:.1em;color:rgba(239,231,218,.75);}
.burger{
  width:44px;height:44px;border-radius:10px;border:1px solid rgba(239,231,218,.22);
  background:transparent;color:var(--c-sand);font-size:17px;cursor:pointer;
}
.burger:hover{background:rgba(239,231,218,.1);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(31,26,22,.55);z-index:55;
  opacity:0;visibility:hidden;transition:opacity 220ms var(--ease),visibility 220ms var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- 主内容 ---------- */
.main-area{margin-left:var(--nav-w);}
main{display:block;}

/* ---------- Banner ---------- */
.page-banner{
  position:relative;min-height:330px;display:flex;align-items:flex-end;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(43,33,24,.88) 0%,rgba(43,33,24,.62) 48%,rgba(43,33,24,.34) 100%);
}
.banner-inner{position:relative;z-index:2;padding:56px 0 44px;max-width:760px;}
.banner-tag{
  display:inline-block;font-size:12px;letter-spacing:.16em;color:var(--c-sand);
  background:rgba(180,98,45,.28);border:1px solid rgba(180,98,45,.6);
  padding:4px 12px;border-radius:var(--r-badge);margin-bottom:18px;
}
.banner-inner h1{
  font-family:"Songti SC","Source Han Serif SC","Noto Serif SC",serif;
  font-size:clamp(34px,3.4vw,52px);line-height:1.2;font-weight:700;color:#fff;
}
.banner-inner p{margin-top:16px;font-size:16px;line-height:1.8;color:rgba(239,231,218,.86);max-width:620px;}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--c-cream);border-bottom:1px solid var(--line);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--t-3);}
.crumb li{display:flex;align-items:center;gap:8px;color:var(--t-3);}
.crumb li::after{content:"/";color:var(--t-3);}
.crumb li:last-child::after{display:none;}
.crumb a{color:var(--t-2);}
.crumb a:hover{color:var(--c-copper);}
.crumb .current{color:var(--t-3);}

/* ---------- 保障条 ---------- */
.assure-bar{background:var(--c-cream);border-bottom:1px solid var(--line);}
.assure-inner{display:flex;flex-wrap:wrap;}
.assure-item{
  flex:1 1 220px;display:flex;gap:12px;align-items:flex-start;
  padding:24px;border-left:1px solid var(--line);
}
.assure-item:first-child{border-left:none;padding-left:0;}
.assure-item i{color:var(--c-copper);font-size:17px;margin-top:3px;}
.assure-item strong{display:block;font-size:15px;font-weight:600;color:var(--t-1);}
.assure-item span{display:block;font-size:13px;color:var(--t-2);line-height:1.7;}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section--cream{background:var(--c-cream);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-title{
  position:relative;padding-left:16px;font-size:28px;line-height:1.3;font-weight:700;
}
.section-title::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;background:var(--c-copper);border-radius:2px;
}
.section-desc{margin-top:10px;font-size:15px;color:var(--t-2);max-width:680px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;color:var(--c-copper);white-space:nowrap;
  transition:transform 180ms var(--ease);
}
.text-link:hover{color:var(--c-copper-dark);text-decoration:underline;transform:translateX(2px);}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:44px;max-width:900px;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:7px;top:10px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--c-copper) 0%,#D9B79A 55%,var(--line) 100%);
}
.tl-item{position:relative;padding-bottom:44px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-44px;top:6px;width:16px;height:16px;border-radius:50%;
  background:var(--c-copper);box-shadow:0 0 0 4px rgba(180,98,45,.14);
}
.tl-num{display:block;font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--c-copper);}
.tl-item h3{font-size:20px;line-height:1.45;font-weight:600;margin:8px 0 10px;}
.tl-item p{font-size:17px;line-height:1.9;color:var(--t-2);max-width:760px;}
.tl-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}
.tag{
  display:inline-block;font-size:12px;letter-spacing:.04em;padding:4px 10px;border-radius:var(--r-badge);
  background:var(--c-sand);color:var(--t-2);border:1px solid var(--line);
}
.tag--olive{background:rgba(107,122,82,.12);color:var(--c-olive);border-color:rgba(107,122,82,.28);}
.tag--copper{background:rgba(180,98,45,.1);color:var(--c-copper);border-color:rgba(180,98,45,.28);}

/* ---------- 图文区块 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split-media{
  border-radius:var(--r-img);overflow:hidden;background:var(--c-sand);
  box-shadow:var(--sh-1);
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform 300ms var(--ease);}
.split-media:hover img{transform:scale(1.03);}
.split-body h2{
  position:relative;padding-left:16px;font-size:28px;line-height:1.3;margin-bottom:18px;
}
.split-body h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;background:var(--c-copper);border-radius:2px;
}
.split-body p{font-size:17px;line-height:1.9;color:var(--t-2);margin-bottom:16px;}
.split-body .text-link{margin-top:6px;}

/* ---------- 序号清单 ---------- */
.num-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.num-item{
  display:flex;gap:16px;padding:22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:transform 180ms var(--ease),box-shadow 180ms var(--ease),border-color 180ms var(--ease);
}
.num-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(180,98,45,.35);}
.num-tag{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--c-copper);padding-top:4px;}
.num-item h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:6px;}
.num-item p{font-size:14px;line-height:1.8;color:var(--t-2);}

/* ---------- FAQ ---------- */
.faq-list{background:var(--c-cream);border-radius:var(--r-card);padding:6px 28px;border:1px solid var(--line);}
.faq-list details{border-bottom:1px solid var(--line);}
.faq-list details:last-child{border-bottom:none;}
.faq-list summary{
  list-style:none;cursor:pointer;padding:22px 0;font-size:16px;font-weight:600;color:var(--t-1);
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
}
.faq-list summary::-webkit-details-marker{display:none;}
.faq-list summary::after{content:"＋";color:var(--c-copper);font-weight:700;flex:0 0 auto;}
.faq-list details[open] summary::after{content:"－";}
.faq-list .faq-answer{padding:0 0 22px;font-size:15px;line-height:1.8;color:var(--t-2);max-width:900px;}

/* ---------- CTA ---------- */
.cta-band{background:var(--c-ink);color:var(--c-sand);}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;padding:60px 0;}
.cta-inner h2{color:#fff;font-size:26px;line-height:1.4;font-weight:700;}
.cta-inner p{margin-top:10px;font-size:15px;color:rgba(239,231,218,.78);max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;text-decoration:none;
  transition:background 180ms var(--ease),color 180ms var(--ease),transform 180ms var(--ease),box-shadow 180ms var(--ease),border-color 180ms var(--ease);
}
.btn-primary{background:var(--c-copper);color:#fff;}
.btn-primary:hover{background:var(--c-copper-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 28px rgba(43,33,24,.24);}
.btn-primary:active{transform:none;box-shadow:var(--sh-1);}
.btn-ghost{border-color:var(--c-copper);color:var(--t-1);background:transparent;}
.btn-ghost:hover{background:rgba(180,98,45,.08);color:var(--t-1);}
.btn-ghost-light{border-color:rgba(239,231,218,.5);color:var(--c-sand);background:transparent;}
.btn-ghost-light:hover{background:rgba(239,231,218,.12);color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:rgba(239,231,218,.72);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;}
.site-footer .brand-mark{color:#fff;}
.site-footer .brand-sub{color:rgba(239,231,218,.7);}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(239,231,218,.62);max-width:340px;}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.site-footer ul li{margin-bottom:10px;}
.site-footer ul a{font-size:14px;color:rgba(239,231,218,.72);}
.site-footer ul a:hover{color:#fff;text-decoration:underline;}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.8;color:rgba(239,231,218,.68);}
.footer-contact i{color:var(--c-copper);margin-top:5px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(239,231,218,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(239,231,218,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .section{padding:72px 0;}
  .split{gap:40px;}
}
@media (max-width:991px){
  .sidebar{
    left:auto;right:0;top:0;width:284px;
    transform:translateX(100%);transition:transform 240ms var(--ease);
    box-shadow:-12px 0 32px rgba(0,0,0,.3);
  }
  .sidebar.is-open{transform:translateX(0);}
  .mobile-bar{display:flex;}
  .main-area{margin-left:0;padding-top:60px;}
  .section{padding:68px 0;}
  .assure-item{flex:1 1 50%;padding:20px 20px;}
  .assure-item:first-child{padding-left:20px;}
  .assure-item:nth-child(odd){border-left:none;}
  .split{grid-template-columns:1fr;gap:28px;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px;padding:52px 0;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:52px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .section-title,.split-body h2{font-size:23px;}
  .banner-inner{padding:44px 0 36px;}
  .banner-inner h1{font-size:27px;}
  .banner-inner p{font-size:15px;}
  .page-banner{min-height:280px;}
  .timeline{padding-left:32px;}
  .timeline::before{left:6px;}
  .tl-item::before{left:-32px;width:14px;height:14px;}
  .tl-item p{font-size:16px;}
  .num-list{grid-template-columns:1fr;}
  .faq-list{padding:4px 18px;}
  .faq-list summary{font-size:15px;padding:18px 0;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .assure-item{flex:1 1 100%;border-left:none;border-top:1px solid var(--line);padding:18px 16px;}
  .assure-item:first-child{border-top:none;padding-left:16px;}
}
@media (max-width:520px){
  .banner-inner h1{font-size:25px;}
  .banner-tag{font-size:11px;letter-spacing:.1em;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:0.01ms !important;animation-duration:0.01ms !important;}
  .split-media:hover img{transform:none;}
  .num-item:hover{transform:none;}
  .btn:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --c-ink:#2B2118;
  --c-sand:#EFE7DA;
  --c-cream:#F7F3EC;
  --c-copper:#B4622D;
  --c-copper-dark:#95491B;
  --c-olive:#6B7A52;
  --t-1:#1F1A16;
  --t-2:#6E655C;
  --t-3:#9A9188;
  --line:#E3D9CB;
  --radius-card:14px;
  --radius-img:12px;
  --radius-input:10px;
  --shadow-1:0 1px 2px rgba(43,33,24,.06);
  --shadow-2:0 12px 28px rgba(43,33,24,.14);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
  --side-w:240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-cream);
  color:var(--t-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-copper);text-decoration:none;transition:color var(--ease),background-color var(--ease)}
a:hover{color:var(--c-copper-dark)}
button{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{color:var(--t-1);letter-spacing:0}
.row{max-width:none;margin-left:0;margin-right:0}
.row.bleed{margin-left:-15px;margin-right:-15px}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}

/* ============ 侧边竖向导航 ============ */
.side-nav{
  position:fixed;top:0;left:0;width:var(--side-w);height:100vh;
  background:var(--c-ink);color:var(--c-sand);
  display:flex;flex-direction:column;
  padding:28px 20px 22px;overflow-y:auto;z-index:60;
}
.side-nav::-webkit-scrollbar{width:6px}
.side-nav::-webkit-scrollbar-thumb{background:rgba(239,231,218,.18);border-radius:6px}
.brand{display:flex;flex-direction:column;align-items:flex-start;gap:6px;text-decoration:none}
.brand-mark{font-size:30px;font-weight:800;line-height:1;letter-spacing:.14em;color:#F7F3EC}
.brand-line{display:block;width:24px;height:2px;background:var(--c-copper);border-radius:2px}
.brand-sub{font-size:13px;letter-spacing:.18em;color:#C9BCAC;line-height:1.4}
.nav-list{display:flex;flex-direction:column;gap:4px;margin:26px 0 0;padding:0}
.nav-link{
  position:relative;display:flex;align-items:center;gap:10px;
  min-height:44px;padding:11px 12px;border-radius:10px;
  color:#D8CDBF;font-size:15px;line-height:1.4;letter-spacing:.02em;
}
.nav-link i{width:18px;text-align:center;font-size:14px;color:#9C8F7F;transition:color var(--ease)}
.nav-link:hover{background:rgba(239,231,218,.08);color:#FFFFFF}
.nav-link:hover i{color:var(--c-copper)}
.nav-link.is-active{background:rgba(239,231,218,.10);color:#FFFFFF}
.nav-link.is-active i{color:var(--c-copper)}
.nav-link.is-active::before{
  content:"";position:absolute;left:-20px;top:50%;transform:translateY(-50%);
  width:3px;height:24px;background:var(--c-copper);border-radius:0 3px 3px 0;
}
.side-rule{height:1px;background:rgba(227,217,203,.16);margin:20px 0}
.side-cta{width:100%;margin:0 0 4px}
.side-help{
  display:flex;align-items:center;gap:10px;min-height:44px;padding:10px 12px;
  border-radius:10px;color:#D8CDBF;font-size:14px;
}
.side-help i{color:var(--c-copper)}
.side-help:hover{background:rgba(239,231,218,.08);color:#fff}
.side-foot{margin-top:auto;padding-top:18px;font-size:12px;line-height:1.8;color:#8E8173}
.side-foot a{color:#B7AA9A}
.side-foot a:hover{color:var(--c-copper)}
.side-social{display:flex;gap:12px;margin-top:10px}
.side-social a{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;
  border:1px solid rgba(227,217,203,.24);color:#C9BCAC;
}
.side-social a:hover{border-color:var(--c-copper);color:var(--c-copper)}

/* ============ 主区域 ============ */
.main-wrap{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--sand{background:var(--c-sand)}
.section--flush-top{padding-top:0}

.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.sec-title{position:relative;margin:0;padding-left:14px;font-size:28px;line-height:1.3;font-weight:700}
.sec-title::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:3px;background:var(--c-copper);border-radius:2px}
.sec-sub{margin:10px 0 0;font-size:15px;color:var(--t-2);max-width:760px}
.lede{font-size:17px;line-height:1.9;color:var(--t-2)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;text-align:center;
  transition:transform var(--ease),background-color var(--ease),box-shadow var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--c-copper);color:#FFFFFF}
.btn-primary:hover{background:var(--c-copper-dark);color:#FFFFFF;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:none;box-shadow:var(--shadow-1);scale:.99}
.btn-primary:focus-visible{outline:2px solid var(--c-copper);outline-offset:2px}
.btn-ghost{border-color:var(--c-copper);background:transparent;color:var(--c-ink)}
.btn-ghost:hover{background:rgba(180,98,45,.08);color:var(--c-ink)}
.btn-ghost:focus-visible{outline:2px solid var(--c-copper);outline-offset:2px}
.btn-light{border-color:rgba(239,231,218,.55);background:transparent;color:var(--c-sand)}
.btn-light:hover{background:rgba(239,231,218,.12);color:#FFFFFF}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;
  color:var(--c-copper);transition:gap var(--ease),color var(--ease);
}
.link-arrow::after{content:"→"}
.link-arrow:hover{gap:10px;color:var(--c-copper-dark);text-decoration:underline}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:6px;
  font-size:12px;letter-spacing:.06em;background:rgba(107,122,82,.12);color:#4F5C3B;
}
.tag--copper{background:rgba(180,98,45,.12);color:var(--c-copper-dark)}

/* ============ 顶部 Banner ============ */
.page-banner{
  position:relative;min-height:350px;display:flex;align-items:flex-end;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(31,26,22,.88) 0%,rgba(31,26,22,.58) 52%,rgba(31,26,22,.30) 100%);
}
.banner-inner{position:relative;z-index:2;width:100%;max-width:1280px;margin:0 auto;padding:54px 24px 46px;color:var(--c-cream)}
.banner-tag{
  display:inline-block;margin-bottom:16px;padding:5px 12px;border-radius:6px;
  border:1px solid rgba(180,98,45,.65);font-size:12px;letter-spacing:.16em;color:#E8C9AE;
}
.banner-inner h1{
  margin:0 0 14px;color:#FFF8EF;font-weight:700;line-height:1.2;
  font-family:"Songti SC","Source Han Serif SC","Noto Serif SC",serif;
  font-size:clamp(30px,3.4vw,50px);
}
.banner-inner p{margin:0;max-width:700px;font-size:16px;line-height:1.8;color:rgba(247,243,236,.84)}

/* ============ 面包屑 ============ */
.crumb-wrap{background:var(--c-cream)}
.breadcrumb{
  list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:18px 0 0;
  font-size:13px;color:var(--t-2);
}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li::after{content:"/";color:var(--t-3)}
.breadcrumb li:last-child::after{content:""}
.breadcrumb li[aria-current] span{color:var(--t-3)}
.breadcrumb a{color:var(--t-2)}
.breadcrumb a:hover{color:var(--c-copper)}

/* ============ 图文分栏 ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.split h2{margin:0 0 16px}
.split-media{border-radius:var(--radius-img);overflow:hidden;box-shadow:var(--shadow-1);border:1px solid var(--line);background:var(--c-sand)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform 320ms var(--ease)}
.split-media:hover img{transform:scale(1.03)}
.split .facts{list-style:none;margin:20px 0 24px;padding:0;display:flex;flex-direction:column;gap:10px}
.split .facts li{display:flex;gap:10px;font-size:15px;color:var(--t-2)}
.split .facts i{color:var(--c-olive);margin-top:5px;font-size:13px}

/* ============ 大图主导区 ============ */
.feature-band{
  position:relative;border-radius:var(--radius-card);overflow:hidden;min-height:380px;
  display:flex;align-items:center;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  box-shadow:var(--shadow-1);
}
.feature-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(43,33,24,.90) 0%,rgba(43,33,24,.62) 48%,rgba(43,33,24,.22) 100%);
}
.feature-content{position:relative;z-index:2;padding:52px;max-width:640px;color:var(--c-cream)}
.feature-content .tag{margin-bottom:16px;background:rgba(180,98,45,.22);color:#F0C9A5}
.feature-content h2{
  position:relative;margin:0 0 16px;padding-left:14px;color:#FFF8EF;
  font-size:clamp(24px,2.4vw,32px);line-height:1.3;font-weight:700;
}
.feature-content h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;background:var(--c-copper);border-radius:2px}
.feature-content p{font-size:16px;line-height:1.85;color:rgba(247,243,236,.82);margin-bottom:20px}
.feature-inline{display:flex;flex-wrap:wrap;gap:24px;margin-top:22px}
.feature-inline div{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(247,243,236,.78)}
.feature-inline i{color:var(--c-copper)}

/* ============ 双列序号清单 ============ */
.num-item{display:flex;gap:16px;padding:22px 0;border-bottom:1px solid var(--line)}
.num-tag{
  flex:0 0 auto;padding:5px 9px;height:fit-content;border-radius:6px;
  border:1px solid rgba(180,98,45,.45);background:#FFFFFF;
  font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--c-copper);
  font-variant-numeric:tabular-nums;
}
.num-item h3{margin:0 0 6px;font-size:17px;line-height:1.45;font-weight:600}
.num-item p{margin:0;font-size:15px;line-height:1.8;color:var(--t-2)}

/* ============ 数据卡 ============ */
.stat{
  height:100%;background:#FFFFFF;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.stat:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(180,98,45,.35)}
.stat strong{
  display:block;font-size:26px;line-height:1.2;font-weight:700;color:var(--c-copper);
  font-variant-numeric:tabular-nums;
}
.stat span{display:block;margin-top:8px;font-size:14px;color:var(--t-2)}
.stats-row .column{margin-bottom:20px}

/* ============ 保障条 ============ */
.guarantee{background:var(--c-sand);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.guarantee-row{display:flex;flex-wrap:wrap;padding:26px 0}
.guarantee-item{
  flex:1 1 0;min-width:230px;display:flex;gap:12px;align-items:flex-start;
  padding:6px 24px;border-left:1px solid var(--line);
}
.guarantee-item:first-child{border-left:0;padding-left:0}
.guarantee-item i{color:var(--c-olive);font-size:18px;margin-top:3px}
.guarantee-item b{display:block;font-size:15px;font-weight:600;color:var(--t-1)}
.guarantee-item span{display:block;font-size:13px;color:var(--t-2);line-height:1.7}

/* ============ FAQ ============ */
.faq{border:1px solid var(--line);border-radius:var(--radius-card);background:var(--c-sand);overflow:hidden}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:0}
.faq summary{
  list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:flex-start;gap:16px;
  min-height:44px;padding:20px 24px;font-size:16px;font-weight:600;color:var(--t-1);
  transition:background-color var(--ease),color var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:rgba(180,98,45,.06);color:var(--c-copper-dark)}
.faq summary:focus-visible{outline:2px solid var(--c-copper);outline-offset:-2px}
.faq summary::after{content:"＋";color:var(--c-copper);font-weight:700;flex:0 0 auto}
.faq details[open] summary::after{content:"－"}
.faq-body{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--t-2)}

/* ============ CTA 通栏 ============ */
.cta-band{
  background:var(--c-ink);color:var(--c-sand);border-radius:var(--radius-card);
  padding:48px;display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;box-shadow:var(--shadow-1);
}
.cta-band h2{margin:0 0 10px;color:#FFF8EF;font-size:26px;line-height:1.35;font-weight:700}
.cta-band p{margin:0;max-width:620px;font-size:15px;line-height:1.8;color:rgba(239,231,218,.78)}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:#C9BCAC;margin-top:auto;padding-top:64px}
.site-footer .container{padding-bottom:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.site-footer h4{margin:0 0 16px;font-size:15px;font-weight:600;color:#F7F3EC;letter-spacing:.04em}
.site-footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.site-footer ul a{color:#C9BCAC;font-size:14px}
.site-footer ul a:hover{color:var(--c-copper)}
.footer-brand p{font-size:14px;line-height:1.9;color:#A99C8C;margin:0}
.site-footer .brand{padding:0 0 14px}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:#C9BCAC}
.footer-contact i{margin-top:5px;color:var(--c-copper);font-size:13px}
.footer-bottom{
  border-top:1px solid rgba(227,217,203,.16);padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8E8173;
}

/* ============ 移动端导航 ============ */
.mobile-bar{display:none}
.drawer,.drawer-mask{display:none}

@media (max-width:991px){
  .side-nav{display:none}
  .main-wrap{margin-left:0;padding-top:60px}
  .mobile-bar{
    display:flex;position:fixed;top:0;left:0;right:0;height:60px;z-index:70;
    align-items:center;justify-content:space-between;padding:0 16px;
    background:var(--c-ink);border-bottom:1px solid rgba(227,217,203,.14);
  }
  .brand-mini{flex-direction:row;align-items:center;gap:10px}
  .brand-mini .brand-mark{font-size:22px;letter-spacing:.1em}
  .brand-mini .brand-line{width:2px;height:20px}
  .brand-mini .brand-sub{font-size:12px;letter-spacing:.14em}
  .hamburger{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:10px;border:1px solid rgba(227,217,203,.24);
    background:transparent;color:var(--c-sand);cursor:pointer;
  }
  .hamburger:hover{border-color:var(--c-copper);color:var(--c-copper)}
  .hamburger:focus-visible{outline:2px solid var(--c-copper);outline-offset:2px}
  .drawer{
    display:flex;flex-direction:column;position:fixed;top:0;right:0;
    width:300px;max-width:86vw;height:100vh;padding:24px 20px;overflow-y:auto;
    background:var(--c-ink);color:var(--c-sand);z-index:90;
    transform:translateX(102%);transition:transform 260ms var(--ease);
  }
  .drawer.is-open{transform:translateX(0)}
  .drawer .nav-list{margin-top:24px}
  .drawer .nav-link.is-active::before{left:-20px}
  .drawer-close{
    align-self:flex-end;width:44px;height:44px;border-radius:10px;
    border:1px solid rgba(227,217,203,.24);background:transparent;color:var(--c-sand);cursor:pointer;
  }
  .drawer-close:hover{border-color:var(--c-copper);color:var(--c-copper)}
  .drawer-mask{
    display:block;position:fixed;inset:0;z-index:80;background:rgba(31,26,22,.55);
    opacity:0;pointer-events:none;transition:opacity 260ms var(--ease);
  }
  .drawer-mask.is-open{opacity:1;pointer-events:auto}
  .section{padding:68px 0}
  .section--tight{padding:52px 0}
  .split{grid-template-columns:1fr;gap:32px}
  .split-media{order:-1}
  .feature-content{padding:36px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}

@media (max-width:767px){
  .container{padding:0 16px}
  .page-banner{min-height:300px}
  .banner-inner{padding:42px 16px 36px}
  .banner-inner h1{font-size:27px}
  .banner-inner p{font-size:15px}
  .row.bleed{margin-left:0;margin-right:0}
  .guarantee-item{flex:1 1 100%;border-left:0;padding:14px 0;border-top:1px solid var(--line)}
  .guarantee-item:first-child{border-top:0;padding-top:0}
  .guarantee-item:last-child{padding-bottom:0}
  .cta-band{padding:34px 24px}
  .cta-band h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
}

@media (max-width:520px){
  .section{padding:52px 0}
  .section--tight{padding:44px 0}
  .sec-title{font-size:23px}
  .stat strong{font-size:23px}
  .faq summary{padding:18px 18px;font-size:15px}
  .faq-body{padding:0 18px 20px}
}

@media (max-height:760px) and (min-width:992px){
  .side-foot{display:none}
}

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