/* roulang page: index */
:root{
  --brand-1:#E4572E;
  --brand-2:#F2994A;
  --ink:#14532D;
  --bg:#FFF8F3;
  --card:#FFFFFF;
  --soft:#FDEBE2;
  --line:#F1D9CC;
  --text:#3F3A37;
  --muted:#7A6F68;
  --info:#2563EB;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:8px;
  --shadow-1:0 6px 24px rgba(20,83,45,.08);
  --shadow-2:0 14px 36px rgba(228,87,46,.16);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  padding-top:72px;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
.tnum{font-variant-numeric:tabular-nums;}
.container{width:min(1200px,100% - 48px);margin:0 auto;}
.section{padding:76px 0;}
.section-soft{background:var(--soft);}
.section-white{background:#fff;}

/* 通用按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background-image:linear-gradient(120deg,var(--brand-1),var(--brand-2));
  color:#fff;box-shadow:0 8px 20px rgba(228,87,46,.24);
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 12px 26px rgba(228,87,46,.3);}
.btn-outline{background:#fff;color:var(--brand-1);border-color:var(--brand-1);}
.btn-outline:hover{background:var(--soft);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--ink);border-bottom:2px solid transparent;border-radius:0;padding:0 2px;height:auto;}
.btn-ghost:hover{color:var(--brand-1);border-bottom-color:var(--brand-1);}
.btn:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--radius-sm);font-size:12px;font-weight:600;line-height:1;
}
.badge-soft{background:var(--soft);color:var(--brand-1);}
.badge-ink{background:#E4F0E7;color:var(--ink);}
.badge-info{background:var(--info);color:#fff;}

/* 顶部导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(255,248,243,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,padding .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(20,83,45,.08);}
.nav-wrap{display:flex;align-items:center;gap:28px;height:72px;transition:height .25s ease;}
.site-header.is-scrolled .nav-wrap{height:64px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--ink);letter-spacing:.5px;flex-shrink:0;}
.logo-dot{
  width:12px;height:12px;border-radius:50%;
  background-image:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  box-shadow:0 0 0 4px rgba(228,87,46,.14);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-main{font-size:17px;font-weight:700;}
.logo-sub{font-size:11px;color:var(--muted);letter-spacing:1.5px;font-weight:500;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;padding:8px 12px;font-size:15px;color:var(--text);
  border-radius:10px;transition:color .2s ease,background-color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background-image:linear-gradient(90deg,var(--brand-1),var(--brand-2));
  transform:scaleX(0);transform-origin:left;transition:transform .24s ease;border-radius:2px;
}
.nav-link:hover{color:var(--brand-1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand-1);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.nav-cta{margin-left:12px;flex-shrink:0;}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);transition:transform .2s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(160deg,#FFF3EA 0%,#FFE6D6 55%,#FFF8F3 100%);
  padding:64px 0 72px;
}
.hero::before{
  content:"";position:absolute;right:-120px;top:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,153,74,.42),rgba(242,153,74,0) 68%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:-140px;bottom:-200px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(228,87,46,.18),rgba(228,87,46,0) 70%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  color:var(--brand-1);font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;margin-bottom:20px;
}
.hero h1{font-size:38px;line-height:1.3;font-weight:700;color:var(--ink);letter-spacing:.2px;}
.hero h1 em{font-style:normal;color:var(--brand-1);}
.hero-sub{margin-top:18px;font-size:17px;color:#5C5148;max-width:560px;}
.hero-points{margin-top:26px;display:grid;gap:12px;}
.hero-point{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:#4B443F;}
.hero-point i{
  flex-shrink:0;width:20px;height:20px;border-radius:50%;margin-top:4px;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:12px;font-style:normal;font-weight:700;
}
.hero-actions{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap;}
.hero-phone{position:relative;justify-self:center;}
.phone-frame{
  width:296px;aspect-ratio:9/16;border-radius:28px;overflow:hidden;position:relative;
  background:#2A211C;box-shadow:0 24px 60px rgba(20,83,45,.22);
  border:6px solid #fff;
}
.phone-frame img{width:100%;height:100%;object-fit:cover;}
.phone-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,83,45,.05),rgba(20,83,45,.55));
}
.play-corner{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.9);
  display:flex;align-items:center;justify-content:center;z-index:3;box-shadow:0 10px 24px rgba(0,0,0,.18);
}
.play-corner::before{
  content:"";border-style:solid;border-width:11px 0 11px 18px;
  border-color:transparent transparent transparent var(--brand-1);margin-left:4px;
}
.duration-pill{
  position:absolute;left:14px;top:14px;z-index:3;
  background:rgba(20,83,45,.78);color:#fff;font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:999px;
}
.float-stat{
  position:absolute;right:-22px;bottom:38px;z-index:4;
  background:#fff;border-radius:var(--radius-md);padding:14px 18px;
  box-shadow:var(--shadow-1);border:1px solid var(--line);
}
.float-stat .num{font-size:22px;font-weight:700;color:var(--ink);}
.float-stat .txt{font-size:12px;color:var(--muted);}

/* 数据徽章条 */
.stats-strip{padding:0 0 8px;margin-top:-32px;position:relative;z-index:5;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{
  background:linear-gradient(180deg,#FFF3EB,#FFFFFF);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px 24px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.stat-num{font-size:30px;font-weight:700;color:var(--ink);line-height:1.2;}
.stat-num span{font-size:14px;font-weight:600;color:var(--muted);margin-left:4px;}
.stat-label{margin-top:6px;font-size:14px;color:var(--muted);}

/* 栏目标题 */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;}
.section-title{position:relative;padding-left:16px;font-size:28px;font-weight:700;color:var(--ink);line-height:1.35;}
.section-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;
  background-image:linear-gradient(180deg,var(--brand-1),var(--brand-2));
}
.section-desc{margin-top:10px;font-size:15px;color:var(--muted);max-width:660px;}
.section-more{font-size:14px;font-weight:600;color:var(--brand-1);display:inline-flex;align-items:center;gap:6px;}
.section-more:hover{color:var(--ink);}

/* 竖屏片段卡 */
.clip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.clip-card{
  background:var(--card);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-1);border:1px solid var(--line);
  transition:transform .25s ease,box-shadow .25s ease;
}
.clip-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2);}
.clip-thumb{position:relative;aspect-ratio:3/4;overflow:hidden;}
.clip-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.clip-card:hover .clip-thumb img{transform:scale(1.04);}
.clip-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,83,45,0),rgba(20,83,45,.5));}
.clip-cat{position:absolute;left:12px;top:12px;z-index:2;}
.clip-play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.85);z-index:3;
  width:48px;height:48px;border-radius:50%;opacity:0;
  background-image:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  display:flex;align-items:center;justify-content:center;transition:opacity .25s ease,transform .25s ease;
}
.clip-play::before{content:"";border-style:solid;border-width:8px 0 8px 13px;border-color:transparent transparent transparent #fff;margin-left:3px;}
.clip-card:hover .clip-play{opacity:1;transform:translate(-50%,-50%) scale(1);}
.clip-body{padding:16px 18px 18px;}
.clip-title{
  font-size:15px;font-weight:600;color:var(--ink);line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:47px;
}
.clip-meta{margin-top:10px;font-size:12px;color:var(--muted);display:flex;align-items:center;gap:8px;}
.clip-meta::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brand-2);}

/* 登录方式对比 */
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.compare-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 24px;
  box-shadow:var(--shadow-1);display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease;
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.compare-icon{
  width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:700;color:#fff;background-image:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  margin-bottom:18px;
}
.compare-card h3{font-size:19px;font-weight:600;color:var(--ink);margin-bottom:10px;}
.compare-card p{font-size:15px;color:var(--muted);}
.compare-list{margin-top:18px;display:grid;gap:10px;}
.compare-list li{font-size:14px;color:#4B443F;display:flex;gap:8px;align-items:flex-start;}
.compare-list li::before{content:"";flex-shrink:0;width:6px;height:6px;border-radius:50%;background:var(--brand-2);margin-top:9px;}
.compare-foot{margin-top:22px;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted);}

/* 清单区 */
.list-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.list-item{
  display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-md);padding:20px 22px;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.list-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#F3C4AC;}
.list-num{
  flex-shrink:0;font-size:26px;font-weight:700;line-height:1;color:transparent;
  -webkit-text-stroke:1.5px var(--brand-1);font-variant-numeric:tabular-nums;
  transition:color .22s ease;
}
.list-item:hover .list-num{color:var(--brand-1);}
.list-body h3{font-size:16px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.list-body p{font-size:14px;color:var(--muted);}
.list-arrow{margin-left:auto;color:var(--brand-2);font-size:18px;flex-shrink:0;transition:transform .22s ease;}
.list-item:hover .list-arrow{transform:translateX(4px);}

/* 最新信息 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-2);}
.news-thumb{aspect-ratio:16/10;overflow:hidden;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-title{
  margin-top:12px;font-size:17px;font-weight:600;color:var(--ink);line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-excerpt{
  margin-top:10px;font-size:14px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{margin-top:auto;padding-top:16px;font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.news-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.empty-state{
  grid-column:1/-1;background:#fff;border:1px dashed var(--line);border-radius:var(--radius-lg);
  padding:56px 24px;text-align:center;
}
.empty-ico{
  width:64px;height:64px;border-radius:50%;margin:0 auto 18px;
  background:var(--soft);display:flex;align-items:center;justify-content:center;
  color:var(--brand-1);font-size:26px;font-weight:700;
}
.empty-state h3{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.empty-state p{font-size:14px;color:var(--muted);margin-bottom:20px;}

/* 口碑条 */
.review-strip{position:relative;overflow:hidden;}
.review-strip::before,.review-strip::after{
  content:"";position:absolute;top:0;bottom:0;width:70px;z-index:2;pointer-events:none;
}
.review-strip::before{left:0;background:linear-gradient(90deg,var(--soft),rgba(253,235,226,0));}
.review-strip::after{right:0;background:linear-gradient(270deg,var(--soft),rgba(253,235,226,0));}
.review-track{display:flex;gap:18px;overflow-x:auto;padding:6px 8px 18px;scrollbar-width:thin;}
.review-track::-webkit-scrollbar{height:6px;}
.review-track::-webkit-scrollbar-thumb{background:#F2C3A9;border-radius:999px;}
.review-card{
  flex:0 0 300px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:20px;box-shadow:var(--shadow-1);
}
.review-top{display:flex;align-items:center;gap:12px;}
.review-avatar{
  width:42px;height:42px;border-radius:50%;flex-shrink:0;
  background-image:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  color:#fff;font-size:15px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.review-name{font-size:15px;font-weight:600;color:var(--ink);}
.review-stars{font-size:12px;color:var(--brand-1);letter-spacing:2px;}
.review-text{margin-top:14px;font-size:14px;color:#5C5148;line-height:1.75;}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-1);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  display:flex;align-items:center;gap:12px;padding:20px 24px;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink);list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.q-mark{
  flex-shrink:0;width:22px;height:22px;border-radius:6px;background:var(--brand-1);color:#fff;
  font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.faq-icon{margin-left:auto;flex-shrink:0;width:16px;height:16px;position:relative;transition:transform .2s ease;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--info);border-radius:2px;transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;transition:opacity .2s ease;}
.faq-item[open] .faq-icon::after{opacity:0;}
.faq-item[open] .faq-icon{transform:rotate(180deg);}
.faq-body{padding:0 24px 22px 58px;font-size:15px;color:var(--muted);line-height:1.85;}

/* CTA 带 */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:44px 48px;
  background-image:linear-gradient(120deg,var(--brand-1),var(--brand-2));
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 20px 46px rgba(228,87,46,.26);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.16);
}
.cta-band h2{font-size:26px;font-weight:700;color:#fff;line-height:1.4;position:relative;z-index:2;}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.9);position:relative;z-index:2;max-width:620px;}
.cta-band .btn{position:relative;z-index:2;background:#fff;color:var(--brand-1);flex-shrink:0;}
.cta-band .btn:hover{background:#FFF3EB;}
.cta-note{margin-top:16px;font-size:12.5px;color:var(--muted);text-align:center;}

/* 页脚 */
.site-footer{background:var(--ink);color:#D9E6DD;padding:60px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px;}
.footer-brand .logo-dot{box-shadow:0 0 0 4px rgba(242,153,74,.22);}
.footer-text{font-size:14px;line-height:1.85;color:#A9C4B3;max-width:320px;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.5px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:#B9CFC1;transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:var(--brand-2);padding-left:4px;}
.footer-contact p{font-size:14px;color:#B9CFC1;margin-bottom:10px;display:flex;gap:8px;align-items:center;}
.footer-contact i{
  width:26px;height:26px;border-radius:50%;background:rgba(242,153,74,.18);
  display:inline-flex;align-items:center;justify-content:center;font-style:normal;font-size:12px;color:var(--brand-2);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA99A;
}

/* 复选框/表单样式备用 */
.field{
  width:100%;height:46px;border-radius:12px;border:1px solid var(--line);background:#FFFDFB;
  padding:0 16px;font-size:15px;color:var(--text);transition:border-color .2s ease,box-shadow .2s ease;
}
.field:focus{outline:none;border-color:var(--brand-1);box-shadow:0 0 0 3px rgba(228,87,46,.14);}

/* 响应式 */
@media (max-width:1180px){
  .clip-grid{grid-template-columns:repeat(4,1fr);gap:16px;}
  .hero h1{font-size:34px;}
}
@media (max-width:1024px){
  .nav-toggle{display:flex;}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);box-shadow:0 14px 30px rgba(20,83,45,.1);
    padding:12px 16px 18px;margin-left:0;display:none;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:12px 14px;border-radius:12px;font-size:15.5px;}
  .nav-link::after{display:none;}
  .nav-link.active{background:var(--soft);}
  .nav-cta{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero h1{font-size:32px;}
  .hero-phone{justify-self:start;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .compare-grid{grid-template-columns:1fr;gap:18px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .clip-grid{grid-template-columns:repeat(2,1fr);}
  .list-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  body{padding-top:64px;}
  .container{width:calc(100% - 32px);}
  .section{padding:56px 0;}
  .hero{padding:44px 0 60px;}
  .hero h1{font-size:27px;}
  .hero-sub{font-size:16px;}
  .section-title{font-size:23px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .phone-frame{width:250px;}
  .float-stat{right:-8px;bottom:20px;padding:12px 14px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 26px;}
  .cta-band .btn{width:100%;}
  .faq-body{padding-left:24px;}
}
@media (max-width:520px){
  .hero h1{font-size:24px;line-height:1.4;}
  .stats-grid{grid-template-columns:1fr;}
  .news-grid,.clip-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .review-card{flex:0 0 84%;}
  .stat-card{padding:18px 20px;}
}

/* roulang page: category1 */
:root{
  --brand-1:#E4572E;
  --brand-2:#F2994A;
  --ink:#14532D;
  --bg:#FFF8F3;
  --card:#FFFFFF;
  --sub-bg:#FDEBE2;
  --line:#F1D9CC;
  --text:#3F3A37;
  --muted:#7A6F68;
  --info:#2563EB;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:8px;
  --shadow-1:0 6px 24px rgba(20,83,45,.08);
  --shadow-2:0 14px 36px rgba(228,87,46,.16);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:28px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px}

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

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,248,243,.94);
  -webkit-backdrop-filter:saturate(160%) blur(10px);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease, background .25s ease;
}
.site-header.scrolled{box-shadow:0 8px 26px rgba(20,83,45,.09);background:rgba(255,255,255,.96)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:74px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-dot{
  width:14px;height:14px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  box-shadow:0 0 0 5px rgba(228,87,46,.13);
  flex:0 0 auto;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-main{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.4px}
.logo-sub{font-size:11px;color:var(--muted);letter-spacing:.6px}

.main-nav{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;padding:9px 12px;font-size:15px;color:#4C433E;
  border-radius:999px;transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:linear-gradient(90deg,var(--brand-1),var(--brand-2));
  border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand-1)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-1);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}

.nav-cta{
  flex:0 0 auto;height:44px;padding:0 20px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:600;
}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.25s;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  color:#fff;box-shadow:0 8px 20px rgba(228,87,46,.28);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(228,87,46,.36);filter:brightness(1.04)}
.btn-ghost{
  background:#fff;color:var(--brand-1);border-color:rgba(228,87,46,.45);
}
.btn-ghost:hover{background:var(--sub-bg);border-color:var(--brand-1)}
.btn:active{transform:translateY(0) scale(.99)}

/* ============ PAGE HERO ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:58px 0 54px;
  background:
    linear-gradient(135deg,rgba(228,87,46,.16) 0%,rgba(242,153,74,.10) 46%,rgba(255,248,243,.92) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;top:-140px;right:-80px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,153,74,.35),rgba(242,153,74,0) 68%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px;flex-wrap:wrap}
.crumb a{color:var(--muted);transition:color .2s}
.crumb a:hover{color:var(--brand-1)}
.crumb .sep{color:var(--brand-1);font-weight:700}
.crumb .current{color:#9C9089}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.85);border:1px solid rgba(228,87,46,.28);
  color:var(--brand-1);font-size:12px;font-weight:600;letter-spacing:.6px;
  padding:5px 13px;border-radius:999px;margin-bottom:18px;
}
.page-hero h1{
  font-size:36px;line-height:46px;font-weight:700;color:var(--ink);
  max-width:840px;letter-spacing:.2px;
}
.page-hero-sub{
  margin-top:14px;font-size:17px;color:#5C524C;max-width:620px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* ============ SECTION BASE ============ */
.section{padding:64px 0}
.section-sub{background:var(--sub-bg)}
.section-title{
  display:flex;align-items:center;gap:12px;
  font-size:28px;line-height:36px;font-weight:700;color:var(--ink);
  margin-bottom:14px;
}
.section-title::before{
  content:"";width:4px;height:26px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand-1),var(--brand-2));flex:0 0 auto;
}
.section-lead{font-size:16px;color:var(--muted);max-width:760px;margin-bottom:36px}

/* ============ SPLIT ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.split-text p{color:#4F4742;margin-bottom:16px}
.split-text p:last-child{margin-bottom:0}
.split-media{position:relative}
.split-media img{
  width:100%;height:100%;max-height:380px;object-fit:cover;
  border-radius:var(--radius-lg);border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.float-badge{
  position:absolute;right:-10px;bottom:-14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:var(--shadow-2);padding:12px 18px;
}
.float-badge strong{display:block;color:var(--ink);font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.2}
.float-badge span{font-size:12px;color:var(--muted)}

/* ============ FEATURE GRID ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(228,87,46,.32)}
.icon-circle{
  width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(228,87,46,.14),rgba(242,153,74,.20));
  color:var(--brand-1);font-size:19px;margin-bottom:16px;
}
.feature-card h3{font-size:19px;line-height:28px;font-weight:600;color:var(--ink);margin-bottom:10px}
.feature-card p{font-size:15px;color:var(--muted);line-height:26px}

/* ============ COMPARE ============ */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-1);transition:box-shadow .22s ease,transform .22s ease;
}
.compare-card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px)}
.compare-head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:20px 24px;border-bottom:1px solid var(--line);
}
.compare-head h3{font-size:19px;font-weight:600;color:var(--ink);display:flex;align-items:center;gap:10px}
.badge{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:var(--radius-sm);
  font-size:12px;font-weight:600;line-height:18px;
}
.badge-orange{background:var(--sub-bg);color:var(--brand-1)}
.badge-green{background:#E4F3E9;color:var(--ink)}
.badge-blue{background:rgba(37,99,235,.10);color:var(--info)}
.compare-list{padding:10px 24px 22px}
.compare-list li{
  display:flex;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line);
  font-size:15px;color:#4F4742;line-height:26px;
}
.compare-list li:last-child{border-bottom:0}
.compare-list i{color:var(--brand-1);font-size:14px;margin-top:6px;flex:0 0 auto}

/* ============ STATS ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px 22px;text-align:left;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.stat-num{color:var(--ink);font-size:30px;line-height:38px;font-weight:700;font-variant-numeric:tabular-nums}
.stat-num em{font-size:14px;font-style:normal;font-weight:600;color:var(--muted);margin-left:4px}
.stat-label{font-size:14px;color:var(--muted);margin-top:6px}

/* ============ FAQ ============ */
.faq-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:8px 28px;box-shadow:var(--shadow-1);
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  display:flex;align-items:flex-start;gap:14px;width:100%;
  background:none;border:0;padding:20px 0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink);line-height:26px;
}
.q-mark{
  flex:0 0 28px;height:28px;border-radius:var(--radius-sm);
  background:var(--sub-bg);color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
}
.faq-icon{margin-left:auto;color:var(--info);font-size:14px;margin-top:5px;transition:transform .2s ease}
.faq-item.open .faq-icon{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a p{padding:0 0 20px 42px;font-size:15px;line-height:27px;color:var(--muted)}

/* ============ CTA BAND ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  background:linear-gradient(120deg,var(--brand-1),var(--brand-2));
  padding:42px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 18px 42px rgba(228,87,46,.28);
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.16);
}
.cta-band > *{position:relative;z-index:1}
.cta-band h3{color:#fff;font-size:24px;line-height:34px;font-weight:700}
.cta-band p{color:rgba(255,255,255,.9);font-size:15px;margin-top:8px}
.cta-band .btn-ghost{background:#fff;color:var(--brand-1);border-color:#fff;flex:0 0 auto}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.88)}
.cta-note{font-size:12px;color:rgba(255,255,255,.8);margin-top:10px}

/* ============ RELATED ============ */
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.related-card{
  display:block;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:20px 20px 22px;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(228,87,46,.34)}
.related-card h4{font-size:17px;font-weight:600;color:var(--ink);display:flex;align-items:center;gap:8px;margin-bottom:8px}
.related-card h4 i{color:var(--brand-1);font-size:14px;transition:transform .22s ease}
.related-card:hover h4 i{transform:translateX(4px)}
.related-card p{font-size:14px;color:var(--muted);line-height:24px}

/* ============ FOOTER ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);margin-top:72px;padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px}
.footer-brand .logo-dot{box-shadow:0 0 0 5px rgba(242,153,74,.22)}
.footer-text{font-size:14px;line-height:26px;color:rgba(255,255,255,.66);max-width:340px}
.footer-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:18px;letter-spacing:.4px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);transition:color .2s ease}
.footer-col a:hover{color:var(--brand-2)}
.footer-contact p{display:flex;gap:10px;font-size:14px;line-height:24px;color:rgba(255,255,255,.7);margin-bottom:10px}
.footer-contact i{
  flex:0 0 22px;height:22px;border-radius:50%;background:rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;font-style:normal;font-size:11px;color:var(--brand-2);
}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 26px;font-size:13px;color:rgba(255,255,255,.58);
}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;top:74px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:10px 24px 20px;
    border-bottom:1px solid var(--line);
    box-shadow:0 18px 34px rgba(20,83,45,.12);
    transform:translateY(-14px);opacity:0;visibility:hidden;
    transition:transform .22s ease,opacity .22s ease,visibility .22s;
  }
  .main-nav.open{transform:translateY(0);opacity:1;visibility:visible}
  .nav-link{padding:14px 6px;border-bottom:1px solid var(--line);border-radius:0;font-size:15px}
  .nav-link::after{display:none}
  .nav-link.active{color:var(--brand-1)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .split-media img{max-height:320px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  .page-hero{padding:44px 0 40px}
  .page-hero h1{font-size:28px;line-height:38px}
  .page-hero-sub{font-size:16px}
  .section-title{font-size:23px;line-height:32px}
  .compare-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 26px;gap:22px}
  .cta-band .btn{width:100%}
  .faq-wrap{padding:8px 20px}
  .faq-a p{padding-left:0}
  .hero-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:520px){
  .grid-3{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .page-hero h1{font-size:24px;line-height:34px}
  .float-badge{right:8px;bottom:10px}
}

/* roulang page: article */
:root{
  --brand-1:#E4572E;
  --brand-2:#F2994A;
  --ink:#14532D;
  --bg:#FFF8F3;
  --card:#FFFFFF;
  --sub-bg:#FDEBE2;
  --line:#F1D9CC;
  --text:#3F3A37;
  --muted:#7A6F68;
  --accent:#2563EB;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:8px;
  --shadow-1:0 6px 24px rgba(20,83,45,.08);
  --shadow-2:0 14px 36px rgba(228,87,46,.16);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,figure,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button{font:inherit;color:inherit}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,248,243,.93);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{
  background:rgba(255,248,243,.99);
  box-shadow:0 10px 28px rgba(20,83,45,.10);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:76px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-dot{
  width:12px;height:12px;border-radius:50%;flex:0 0 12px;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  box-shadow:0 0 0 4px rgba(228,87,46,.14);
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-main{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.2px}
.logo-sub{font-size:11px;color:var(--muted);letter-spacing:.4px}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;padding:10px 12px;font-size:15px;color:var(--text);
  border-radius:10px;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand-1),var(--brand-2));
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--brand-1);background:rgba(228,87,46,.07)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-1);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.nav-cta{margin-left:8px}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;
  border:1px solid var(--line);border-radius:12px;background:#fff;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
}
.nav-toggle span,.nav-toggle::before,.nav-toggle::after{
  content:"";display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform .25s ease,opacity .25s ease;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;white-space:nowrap;cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  color:#fff;box-shadow:0 8px 20px rgba(228,87,46,.28);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(228,87,46,.34);filter:brightness(1.04)}
.btn-outline{background:#fff;color:var(--brand-1);border-color:rgba(228,87,46,.45)}
.btn-outline:hover{background:var(--sub-bg);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--brand-1)}
.btn-light:hover{background:#FFF1E8;transform:translateY(-1px)}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px}

/* ---------- 布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;
  align-items:start;padding-top:34px;padding-bottom:80px;
}
.article-main{min-width:0}
.article-side{position:sticky;top:96px}

/* ---------- 面包屑 / 标题 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);
}
.breadcrumb a{transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand-1)}
.breadcrumb .sep{color:var(--brand-1);font-weight:600}
.breadcrumb .current{color:#9F938B;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:520px}
.article-title{
  font-size:32px;line-height:1.42;font-weight:700;color:var(--ink);
  margin:14px 0 16px;letter-spacing:-.2px;overflow-wrap:anywhere;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--muted);
  padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:26px;
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#D9C3B6;display:inline-block}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;
  border-radius:var(--radius-sm);font-size:12px;font-weight:600;line-height:1.5;
}
.badge-topic{background:var(--sub-bg);color:#B23A1A}
.badge-data{background:#E7F3EB;color:var(--ink)}
.badge-info{background:var(--accent);color:#fff}

/* ---------- 封面 ---------- */
.article-cover{
  border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-1);margin-bottom:30px;
}
.article-cover img{width:100%;aspect-ratio:16/7;object-fit:cover}

/* ---------- 正文 ---------- */
.article-body{font-size:16px;line-height:1.95;color:var(--text);overflow-wrap:anywhere}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  position:relative;font-size:22px;line-height:1.55;font-weight:700;color:var(--ink);
  margin:38px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand-1),var(--brand-2));
}
.article-body h3{font-size:18px;line-height:1.6;font-weight:600;color:var(--ink);margin:26px 0 12px}
.article-body h4{font-size:16px;font-weight:600;color:var(--ink);margin:20px 0 10px}
.article-body img{border-radius:var(--radius-md);border:1px solid var(--line);margin:20px auto}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;background:var(--sub-bg);
  border-left:4px solid var(--brand-1);border-radius:0 12px 12px 0;color:#5C4A41;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:.5em}
.article-body a{color:var(--accent);border-bottom:1px solid rgba(37,99,235,.35)}
.article-body a:hover{border-bottom-color:var(--accent)}
.article-body strong{color:var(--ink);font-weight:600}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--sub-bg);color:var(--ink);font-weight:600}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:32px 0}
.article-body code{background:var(--sub-bg);border-radius:6px;padding:2px 6px;font-size:14px;color:#B23A1A}

/* ---------- 空状态 ---------- */
.article-missing{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);padding:44px 28px;text-align:center;
}
.article-missing h2{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:12px}
.article-missing p{font-size:15px;color:var(--muted);max-width:460px;margin:0 auto 24px}

/* ---------- 文末操作 ---------- */
.article-actions{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin-top:42px;padding-top:26px;border-top:1px solid var(--line);
}
.prev-next{display:flex;flex-direction:column;gap:8px;font-size:14px;min-width:0}
.prev-next a{color:var(--muted);transition:color .2s ease;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.prev-next a:hover{color:var(--brand-1)}

/* ---------- 板块标题 ---------- */
.block-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:52px 0 20px}
.block-title{position:relative;padding-left:14px;font-size:20px;font-weight:700;color:var(--ink)}
.block-title::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand-1),var(--brand-2));
}
.block-more{font-size:14px;color:var(--brand-1);font-weight:600}
.block-more:hover{text-decoration:underline}

/* ---------- 相关推荐 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.related-card{
  display:flex;gap:14px;align-items:center;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-md);padding:14px;
  box-shadow:var(--shadow-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(228,87,46,.35)}
.related-thumb{flex:0 0 96px;width:96px;height:72px;border-radius:12px;overflow:hidden;background:var(--sub-bg)}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.related-card:hover .related-thumb img{transform:scale(1.06)}
.related-info{min-width:0}
.related-info h4{
  font-size:14px;font-weight:600;color:var(--ink);line-height:1.55;margin-bottom:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-info span{font-size:12px;color:var(--muted)}

/* ---------- 侧栏 ---------- */
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px;box-shadow:var(--shadow-1);margin-bottom:22px;
}
.side-card h3{
  position:relative;padding-left:12px;font-size:16px;font-weight:700;color:var(--ink);
  margin-bottom:14px;line-height:1.4;
}
.side-card h3::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand-1),var(--brand-2));
}
.rank-item{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed var(--line)}
.rank-item:last-child{border-bottom:0;padding-bottom:0}
.rank-num{
  flex:0 0 26px;height:26px;border-radius:8px;background:var(--sub-bg);color:var(--brand-1);
  font-size:13px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.rank-item a{font-size:14px;line-height:1.6;color:var(--text);transition:color .2s ease}
.rank-item a:hover{color:var(--brand-1)}
.cat-chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;padding:8px 14px;border-radius:999px;
  background:var(--sub-bg);color:#B23A1A;font-size:13px;font-weight:600;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.chip:hover{background:linear-gradient(135deg,var(--brand-1),var(--brand-2));color:#fff;transform:translateY(-1px)}
.side-cta{
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  border-radius:var(--radius-lg);padding:24px;color:#fff;
  box-shadow:0 14px 30px rgba(228,87,46,.28);
}
.side-cta h3{font-size:17px;font-weight:700;color:#fff;margin-bottom:8px}
.side-cta p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.92);margin-bottom:18px}
.side-cta .btn{width:100%;height:42px;font-size:14px}

/* ---------- CTA 横幅 ---------- */
.cta-band{background:linear-gradient(135deg,var(--brand-1),var(--brand-2));padding:52px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-band h2{font-size:24px;font-weight:700;color:#fff;line-height:1.45;margin-bottom:8px}
.cta-band p{font-size:15px;color:rgba(255,255,255,.92)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#D6E4DA;padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-brand .logo-dot{box-shadow:0 0 0 4px rgba(242,153,74,.22)}
.footer-text{font-size:14px;line-height:1.85;color:#A6BFB0;max-width:330px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:#A6BFB0;transition:color .2s ease}
.footer-col ul li a:hover{color:var(--brand-2)}
.footer-contact p{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#A6BFB0;margin-bottom:12px}
.footer-contact p i{
  font-style:normal;flex:0 0 22px;height:22px;border-radius:50%;
  background:rgba(242,153,74,.18);color:var(--brand-2);font-size:12px;
  display:inline-flex;align-items:center;justify-content:center;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#8CA595;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .main-nav{
    position:fixed;left:0;right:0;top:76px;margin-left:0;
    flex-direction:column;align-items:stretch;gap:0;
    padding:10px 24px 18px;background:#fff;
    border-bottom:1px solid var(--line);box-shadow:0 18px 40px rgba(20,83,45,.14);
    opacity:0;visibility:hidden;transform:translateY(-12px);
    transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
  }
  .main-nav.is-open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-link{padding:14px 4px;border-bottom:1px solid var(--line);border-radius:0}
  .nav-link::after{display:none}
  .nav-link.active{background:rgba(228,87,46,.06)}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .article-side{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .article-title{font-size:26px}
  .article-body{font-size:15.5px;line-height:1.9}
  .article-body h2{font-size:19px}
  .article-body h3{font-size:17px}
  .related-grid{grid-template-columns:1fr}
  .breadcrumb .current{max-width:220px}
  .cta-band h2{font-size:20px}
  .block-head{margin:44px 0 18px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .nav-wrap{height:68px;gap:12px}
  .logo-main{font-size:15px}
  .logo-sub{font-size:10px}
  .main-nav{top:68px}
  .article-title{font-size:23px}
  .article-layout{padding-top:24px;padding-bottom:56px}
  .side-card{padding:18px;border-radius:18px}
  .article-missing{padding:32px 20px}
  .prev-next a{white-space:normal}
  .related-card{flex-direction:row}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
:root{
  --brand-1:#E4572E;
  --brand-2:#F2994A;
  --ink:#14532D;
  --text:#3F3A37;
  --muted:#7A6F68;
  --bg:#FFF8F3;
  --card:#FFFFFF;
  --soft:#FDEBE2;
  --line:#F1D9CC;
  --blue:#2563EB;
  --radius-lg:24px;
  --radius-md:16px;
  --shadow-1:0 6px 24px rgba(20,83,45,.08);
  --shadow-2:0 14px 36px rgba(228,87,46,.16);
}
*{box-sizing:border-box}
body.site-body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body a{color:inherit;text-decoration:none}
body img{max-width:100%;display:block}
body p{margin:0}
body ul{list-style:none;margin:0;padding:0}
body h1,body h2,body h3,body h4{margin:0;color:var(--ink);font-weight:700}

body .container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.nums{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,248,243,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.scrolled{box-shadow:0 8px 26px rgba(20,83,45,.10);background:rgba(255,255,255,.96)}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:74px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-dot{
  width:12px;height:12px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  box-shadow:0 0 0 5px rgba(242,153,74,.18);
  flex-shrink:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-main{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.2px}
.logo-sub{font-size:11.5px;color:var(--muted);letter-spacing:.3px}
.main-nav{display:flex;align-items:center;gap:24px;margin-left:auto}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--text);
  padding:6px 0;
  transition:color .2s ease;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;left:0;right:100%;bottom:0;
  height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand-1),var(--brand-2));
  transition:right .25s ease;
}
.nav-link:hover{color:var(--brand-1)}
.nav-link:hover::after{right:0}
.nav-link.active{color:var(--brand-1);font-weight:600}
.nav-link.active::after{right:0}
.nav-cta{flex-shrink:0}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  cursor:pointer;
  position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;transform:translateX(-50%);
  width:18px;height:2px;background:var(--ink);border-radius:2px;content:"";
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:translateX(-50%) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:translateX(-50%) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px}
.btn-primary{
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  color:#fff;
  box-shadow:0 8px 20px rgba(228,87,46,.26);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(228,87,46,.34);filter:brightness(1.04)}
.btn-outline{
  background:#fff;
  color:var(--brand-1);
  border-color:rgba(228,87,46,.55);
}
.btn-outline:hover{background:var(--soft);transform:translateY(-1px)}
.btn-ghost{
  background:transparent;color:var(--ink);padding:0 6px;height:auto;
  border-bottom:2px solid rgba(20,83,45,.25);border-radius:0;
}
.btn-ghost:hover{color:var(--brand-1);border-color:var(--brand-1)}

/* ---------- badge ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;
  border-radius:8px;
  font-size:12px;
  font-weight:600;
  line-height:1.35;
}
.badge-warm{background:var(--soft);color:var(--brand-1)}
.badge-green{background:#E4F3E8;color:var(--ink)}
.badge-blue{background:var(--blue);color:#fff}

/* ---------- banner ---------- */
.banner{
  position:relative;
  overflow:hidden;
  padding:58px 0 52px;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(120deg,rgba(228,87,46,.12),rgba(242,153,74,.06) 55%,rgba(255,248,243,.92)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
}
.banner::after{
  content:"";
  position:absolute;
  top:-140px;right:-120px;
  width:360px;height:360px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(242,153,74,.35),rgba(242,153,74,0) 68%);
  pointer-events:none;
}
.banner-inner{position:relative;z-index:2;max-width:820px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:16px}
.breadcrumb .sep{color:var(--brand-1)}
.breadcrumb .current{color:#9A908A}
body h1.banner-title{
  font-size:36px;
  line-height:1.28;
  font-weight:700;
  letter-spacing:.3px;
}
.banner-sub{margin-top:16px;font-size:16px;color:var(--muted);max-width:640px}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

/* ---------- section base ---------- */
.section{padding:72px 0}
.section-soft{background:var(--soft)}
.section-head{max-width:760px;margin-bottom:38px}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-1);letter-spacing:1px;
  margin-bottom:12px;
}
.section-eyebrow::before{content:"";width:4px;height:16px;border-radius:2px;background:linear-gradient(180deg,var(--brand-1),var(--brand-2))}
body h2.section-title{font-size:28px;line-height:1.35}
.section-desc{margin-top:14px;color:var(--muted);font-size:15.5px}

/* ---------- split (图文交错) ---------- */
.split-list{display:flex;flex-direction:column;gap:32px}
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:36px;
  align-items:center;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px;
  box-shadow:var(--shadow-1);
  transition:box-shadow .25s ease,transform .25s ease;
}
.split:hover{box-shadow:var(--shadow-2);transform:translateY(-3px)}
.split.reverse .split-media{order:2}
.split-media{
  border-radius:var(--radius-md);
  overflow:hidden;
  aspect-ratio:16/11;
  background:var(--soft);
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.split:hover .split-media img{transform:scale(1.03)}
.split-num{
  font-size:13px;font-weight:700;color:var(--brand-1);
  letter-spacing:1px;font-variant-numeric:tabular-nums;
}
body h3.split-title{font-size:20px;line-height:1.45;margin-top:8px}
.split-body p{margin-top:12px;color:var(--muted);font-size:15.5px}
.split-points{margin-top:16px;display:flex;flex-direction:column;gap:8px}
.split-points li{display:flex;gap:9px;font-size:14.5px;color:var(--text)}
.split-points i{color:var(--brand-1);margin-top:6px;font-size:12px}

/* ---------- feature grid ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.icon-badge{
  width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--soft);color:var(--brand-1);font-size:18px;
  margin-bottom:16px;
}
body h3.card-title{font-size:18px;line-height:1.5}
.card-text{margin-top:10px;font-size:14.8px;color:var(--muted)}

/* ---------- checklist ---------- */
.check-list{display:flex;flex-direction:column;gap:14px}
.check-item{
  display:flex;align-items:center;gap:20px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:18px 22px;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.check-item:hover{transform:translateX(4px);box-shadow:var(--shadow-2);border-color:rgba(228,87,46,.35)}
.check-no{
  font-size:24px;font-weight:700;
  color:transparent;
  -webkit-text-stroke:1.4px var(--brand-1);
  font-variant-numeric:tabular-nums;
  min-width:44px;
  transition:color .22s ease;
}
.check-item:hover .check-no{color:var(--brand-1);-webkit-text-stroke:0}
.check-body strong{display:block;font-size:16.5px;color:var(--ink);font-weight:600}
.check-body span{font-size:14.5px;color:var(--muted)}
.check-arrow{margin-left:auto;color:var(--brand-1);font-size:14px;opacity:0;transition:opacity .22s ease,transform .22s ease}
.check-item:hover .check-arrow{opacity:1;transform:translateX(3px)}

/* ---------- scene cards ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.scene-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:22px 20px;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.scene-icon{font-size:20px;color:var(--brand-1);margin-bottom:12px}
body h3.scene-title{font-size:16.5px;line-height:1.5}
.scene-desc{margin-top:8px;font-size:14px;color:var(--muted)}

/* ---------- compare ---------- */
.compare-wrap{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.compare-row{
  display:grid;
  grid-template-columns:1.1fr 1.6fr;
  gap:20px;
  padding:20px 26px;
  border-bottom:1px solid var(--line);
  font-size:15px;
}
.compare-row:last-child{border-bottom:none}
.compare-row.head{
  background:var(--soft);
  font-weight:700;
  color:var(--ink);
  font-size:14.5px;
  letter-spacing:.5px;
}
.compare-row .tag{color:var(--brand-1);font-weight:600}
.compare-row .val{color:var(--muted)}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.faq-q{
  width:100%;
  display:flex;align-items:center;gap:14px;
  padding:20px 22px;
  background:transparent;
  border:none;
  cursor:pointer;
  text-align:left;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  font-family:inherit;
}
.faq-q:focus-visible{outline:2px solid var(--brand-1);outline-offset:-2px}
.q-mark{
  width:26px;height:26px;flex-shrink:0;
  border-radius:8px;
  background:var(--soft);color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;
}
.faq-icon{margin-left:auto;color:var(--blue);font-size:15px;transition:transform .25s ease}
.faq-item.open .faq-icon{transform:rotate(180deg)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a-inner{padding:0 22px 22px 62px;font-size:15px;color:var(--muted)}
.faq-item.open .faq-a{max-height:420px}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  padding:44px 46px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  background-image:linear-gradient(120deg,var(--brand-1),var(--brand-2));
  box-shadow:0 18px 40px rgba(228,87,46,.28);
}
.cta-band::after{
  content:"";
  position:absolute;right:-70px;bottom:-110px;
  width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.16);
}
.cta-band h2{color:#fff;font-size:26px;line-height:1.4;position:relative;z-index:2}
.cta-band p{color:rgba(255,255,255,.9);font-size:14.5px;margin-top:10px;position:relative;z-index:2}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2}
.btn-white{background:#fff;color:var(--brand-1);box-shadow:0 8px 20px rgba(20,83,45,.16)}
.btn-white:hover{transform:translateY(-1px);filter:brightness(1.02)}
.btn-glass{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.6)}
.btn-glass:hover{background:rgba(255,255,255,.28)}
.cta-note{margin-top:14px;font-size:12.5px;color:rgba(255,255,255,.82)}

/* ---------- related ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.rel-card{
  display:block;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:22px 20px;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(228,87,46,.4)}
.rel-card i{color:var(--brand-1);font-size:16px}
body h3.rel-title{font-size:16.5px;line-height:1.5;margin-top:12px}
.rel-desc{margin-top:8px;font-size:14px;color:var(--muted)}
.rel-more{margin-top:14px;font-size:13.5px;color:var(--brand-1);font-weight:600;display:inline-flex;align-items:center;gap:6px}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);
  color:#D9E6DD;
  padding:60px 0 26px;
  margin-top:12px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:34px;
}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff}
.footer-text{margin-top:14px;font-size:14px;line-height:1.85;color:rgba(217,230,221,.82);max-width:340px}
.footer-col h4{font-size:14px;color:#fff;font-weight:700;letter-spacing:.6px}
.footer-col ul{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(217,230,221,.8);transition:color .2s ease}
.footer-col a:hover{color:var(--brand-2)}
.footer-contact p{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(217,230,221,.8);margin-bottom:10px}
.footer-contact i{
  font-style:normal;
  width:24px;height:24px;flex-shrink:0;
  border-radius:50%;
  background:rgba(242,153,74,.22);
  color:var(--brand-2);
  font-size:12px;
  display:flex;align-items:center;justify-content:center;
}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(217,230,221,.6);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  body h1.banner-title{font-size:30px}
  .split{grid-template-columns:1fr;gap:22px;padding:22px}
  .split.reverse .split-media{order:0}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .main-nav{
    position:absolute;
    top:100%;left:0;right:0;
    flex-direction:column;
    align-items:flex-start;
    gap:4px;
    margin-left:0;
    padding:14px 24px 22px;
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:0 18px 30px rgba(20,83,45,.12);
    display:none;
  }
  .main-nav.open{display:flex}
  .main-nav .nav-link{width:100%;padding:12px 0;font-size:15.5px;border-bottom:1px solid var(--line)}
  .main-nav .nav-link:last-child{border-bottom:none}
  .main-nav .nav-link::after{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:block;margin-left:auto}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 28px}
}
@media (max-width:768px){
  body .container{padding:0 18px}
  .section{padding:52px 0}
  body h2.section-title{font-size:23px}
  body h1.banner-title{font-size:26px;line-height:1.35}
  .banner{padding:42px 0 38px}
  .grid-3{grid-template-columns:1fr}
  .compare-row{grid-template-columns:1fr;gap:6px;padding:16px 20px}
  .compare-row.head{display:none}
  .faq-a-inner{padding:0 20px 20px 20px}
  .cta-band h2{font-size:21px}
  .btn{width:100%}
  .cta-actions{width:100%}
  .nav-toggle{width:42px;height:42px}
}
@media (max-width:520px){
  .grid-4{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .split-media{aspect-ratio:4/3}
  .logo-sub{display:none}
  .logo-main{font-size:15.5px}
}

/* roulang page: category3 */
:root{
  --brand-1:#E4572E;
  --brand-2:#F2994A;
  --ink:#14532D;
  --ink-soft:#1F6B3C;
  --bg:#FFF8F3;
  --card:#FFFFFF;
  --soft:#FDEBE2;
  --soft-2:#E7F4EC;
  --line:#F1D9CC;
  --line-soft:#F7E4D9;
  --text:#3F3A37;
  --muted:#7A6F68;
  --indigo:#2563EB;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:8px;
  --shadow-1:0 6px 24px rgba(20,83,45,.08);
  --shadow-2:0 14px 36px rgba(228,87,46,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
button{background:none;border:0;padding:0;cursor:pointer;color:inherit}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.35}
p{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.section-alt{background:#FFFDFB}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.2px;
  border:1px solid transparent;white-space:nowrap;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px}
.btn-primary{
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  color:#fff;box-shadow:0 8px 20px rgba(228,87,46,.28);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(228,87,46,.34);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;border-color:var(--brand-1);color:var(--brand-1)}
.btn-outline:hover{background:var(--soft);transform:translateY(-1px)}
.btn-ghost{
  background:transparent;color:var(--ink);border-color:transparent;
  text-decoration:underline;text-underline-offset:6px;text-decoration-thickness:1px;
  text-decoration-color:rgba(20,83,45,.28);
}
.btn-ghost:hover{color:var(--brand-1);text-decoration-color:var(--brand-1)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,248,243,.92);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease),background .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 28px rgba(20,83,45,.09);background:rgba(255,248,243,.98)}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:76px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-dot{
  width:12px;height:12px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  box-shadow:0 0 0 4px rgba(228,87,46,.14);flex-shrink:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-main{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.2px}
.logo-sub{font-size:11px;color:var(--muted);letter-spacing:.4px}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;padding:10px 12px;border-radius:999px;
  font-size:15px;color:var(--text);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand-1),var(--brand-2));
  transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);
}
.nav-link:hover{color:var(--brand-1)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-1);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.nav-cta{margin-left:10px;flex-shrink:0}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;flex-shrink:0;
}
.nav-toggle span{display:block;position:relative;width:18px;height:2px;border-radius:2px;background:var(--ink)}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px}

/* ============ 页面横幅 ============ */
.page-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(120deg,rgba(255,243,234,.94),rgba(253,227,213,.9)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;width:460px;height:460px;border-radius:50%;right:-140px;top:-190px;
  background:radial-gradient(circle,rgba(242,153,74,.42),rgba(242,153,74,0) 68%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.page-hero-inner{padding:46px 0 56px;max-width:880px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:var(--muted);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--brand-1)}
.breadcrumb .sep{color:var(--brand-2)}
.breadcrumb .current{color:#9C9088}
.page-title{
  font-size:clamp(27px,4vw,40px);line-height:1.28;letter-spacing:-.3px;margin-bottom:16px;
}
.page-title .title-dot{
  display:inline-block;width:10px;height:10px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  margin-right:12px;vertical-align:middle;
}
.page-lead{font-size:17px;color:#5C544E;max-width:660px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px}
.stat{
  background:rgba(255,255,255,.82);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:14px 20px;min-width:132px;
  box-shadow:var(--shadow-1);
}
.stat strong{
  display:block;font-size:26px;line-height:1.2;color:var(--ink);
  font-variant-numeric:tabular-nums;font-weight:700;
}
.stat span{font-size:13px;color:var(--muted)}

/* ============ 栏目标题 ============ */
.section-head{position:relative;padding-left:16px;margin-bottom:34px;max-width:760px}
.section-head::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand-1),var(--brand-2));
}
.section-head h2{font-size:clamp(22px,2.6vw,28px);margin-bottom:8px}
.section-head p{font-size:15px;color:var(--muted)}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.link-more{font-size:14px;font-weight:600;color:var(--brand-1);white-space:nowrap}
.link-more:hover{color:var(--ink);text-decoration:underline;text-underline-offset:5px}

/* ============ 网格与卡片 ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#F3D6C7}
.card h3{font-size:19px;margin-bottom:10px;line-height:1.4}
.card p{font-size:15px;color:var(--muted);line-height:1.85}
.icon-circle{
  width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--soft);color:var(--brand-1);font-weight:700;font-size:15px;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--radius-sm);
  font-size:12px;font-weight:600;line-height:16px;letter-spacing:.2px;
}
.badge-orange{background:var(--soft);color:var(--brand-1)}
.badge-green{background:var(--soft-2);color:var(--ink)}
.badge-blue{background:var(--indigo);color:#fff}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}

/* ============ 步骤竖排 ============ */
.steps{position:relative;padding-left:0;max-width:900px}
.steps::before{
  content:"";position:absolute;left:31px;top:32px;bottom:32px;width:2px;
  background:linear-gradient(180deg,var(--brand-1),rgba(242,153,74,.16));
}
.step{display:grid;grid-template-columns:64px 1fr;gap:26px;padding:20px 0;align-items:start}
.step-no{
  position:relative;z-index:1;width:64px;height:64px;border-radius:20px;
  background:#fff;border:2px solid var(--brand-1);color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;
  font-size:21px;font-weight:700;font-variant-numeric:tabular-nums;
  box-shadow:var(--shadow-1);
  transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease);
}
.step:hover .step-no{
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  color:#fff;border-color:transparent;transform:translateY(-2px);
}
.step-body{padding:6px 0 6px}
.step-body h3{font-size:19px;margin-bottom:8px}
.step-body p{font-size:15px;color:var(--muted);line-height:1.85;margin-bottom:10px}
.step-tags{display:flex;flex-wrap:wrap;gap:8px}

/* ============ 设备卡片 ============ */
.device-card{
  background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.device-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.thumb{overflow:hidden;border-radius:var(--radius-md);margin-bottom:0}
.device-card .thumb{margin:0;border-radius:0}
.thumb img{width:100%;height:190px;object-fit:cover;transition:transform .35s var(--ease)}
.device-card:hover .thumb img{transform:scale(1.04)}
.device-body{padding:24px}
.device-body h3{font-size:19px;margin:14px 0 12px}
.dot-list li{
  position:relative;padding-left:20px;font-size:15px;color:var(--muted);
  line-height:1.85;margin-bottom:6px;
}
.dot-list li::before{
  content:"";position:absolute;left:2px;top:12px;width:7px;height:7px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
}
.check-list li{
  position:relative;padding-left:28px;font-size:15px;color:#514A45;
  line-height:1.9;margin-bottom:10px;
}
.check-list li::before{
  content:"✓";position:absolute;left:0;top:0;color:var(--brand-1);font-weight:700;
}
.check-list li:last-child{margin-bottom:0}

/* ============ 图文交错 ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.split.reverse .split-media{order:2}
.split-media img{border-radius:var(--radius-lg);border:1px solid var(--line-soft);box-shadow:var(--shadow-1)}
.split-text h3{font-size:24px;margin-bottom:14px}
.split-text p{font-size:15px;color:var(--muted);line-height:1.9;margin-bottom:16px}
.mini-stats{display:flex;gap:28px;flex-wrap:wrap;margin-top:22px}
.mini-stat strong{
  display:block;font-size:26px;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.2;
}
.mini-stat span{font-size:13px;color:var(--muted)}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius-md);
  box-shadow:var(--shadow-1);overflow:hidden;transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-item.open{border-color:#F0CDBB;box-shadow:0 10px 28px rgba(228,87,46,.12)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:12px;text-align:left;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-q .qmark{
  width:26px;height:26px;border-radius:8px;flex-shrink:0;
  background:var(--soft);color:var(--brand-1);font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.faq-q .chev{
  margin-left:auto;flex-shrink:0;color:var(--indigo);font-size:13px;font-weight:700;
  transition:transform .25s var(--ease);
}
.faq-item.open .faq-q .chev{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s var(--ease)}
.faq-a p{
  padding:0 22px 20px 60px;font-size:15px;color:var(--muted);line-height:1.9;
}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:28px;padding:44px 46px;
  background:linear-gradient(120deg,#E4572E,#F2994A);
  color:#fff;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 18px 44px rgba(228,87,46,.28);
}
.cta-band::after{
  content:"";position:absolute;width:320px;height:320px;border-radius:50%;
  right:-100px;bottom:-160px;background:rgba(255,255,255,.16);pointer-events:none;
}
.cta-band h3{color:#fff;font-size:clamp(21px,2.4vw,27px);margin-bottom:10px;position:relative;z-index:1}
.cta-band p{color:rgba(255,255,255,.92);font-size:15px;max-width:620px;position:relative;z-index:1}
.cta-band .cta-actions{position:relative;z-index:1;display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.cta-band .btn-white{background:#fff;color:var(--brand-1);box-shadow:0 10px 24px rgba(120,45,15,.18)}
.cta-band .btn-white:hover{transform:translateY(-1px);filter:brightness(.98)}
.cta-note{font-size:12px;color:rgba(255,255,255,.8);position:relative;z-index:1;margin-top:18px}

/* ============ 相关分类 ============ */
.rel-card{
  display:flex;align-items:center;gap:16px;
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius-md);
  padding:20px;box-shadow:var(--shadow-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#F0CDBB}
.rel-icon{
  width:46px;height:46px;border-radius:14px;flex-shrink:0;
  background:var(--soft);color:var(--brand-1);font-weight:700;
  display:flex;align-items:center;justify-content:center;font-size:15px;
}
.rel-card h4{font-size:16px;margin-bottom:4px}
.rel-card p{font-size:13px;color:var(--muted);line-height:1.7}
.rel-arrow{margin-left:auto;color:var(--brand-2);font-weight:700;flex-shrink:0}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#DDECE1;margin-top:20px;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:34px}
.footer-brand{
  display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px;
}
.footer-brand .logo-dot{box-shadow:0 0 0 4px rgba(242,153,74,.18)}
.footer-text{font-size:14px;line-height:1.95;color:rgba(221,236,225,.76);max-width:340px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.3px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(221,236,225,.72);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand-2)}
.footer-contact p{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(221,236,225,.72);margin-bottom:10px}
.footer-contact i{
  font-style:normal;width:24px;height:24px;border-radius:50%;flex-shrink:0;
  background:rgba(255,255,255,.1);color:var(--brand-2);font-size:11px;
  display:inline-flex;align-items:center;justify-content:center;
}
.footer-bottom{
  margin-top:44px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(221,236,225,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:28px}
  .split.reverse .split-media{order:0}
  .section{padding:60px 0}
}
@media (max-width:900px){
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;margin-left:0;
    background:#fff;padding:8px 24px 18px;
    border-bottom:1px solid var(--line);
    box-shadow:0 18px 34px rgba(20,83,45,.12);
    display:none;
  }
  .main-nav.open{display:flex}
  .nav-link{padding:14px 2px;border-radius:0;border-bottom:1px solid var(--line-soft)}
  .nav-link::after{display:none}
  .nav-link.active{background:var(--soft);border-radius:10px;padding-left:12px}
}
@media (max-width:768px){
  .page-hero-inner{padding:34px 0 42px}
  .page-lead{font-size:16px}
  .card{padding:22px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 26px;border-radius:24px}
  .cta-band .cta-actions{width:100%}
  .cta-band .btn{width:100%}
  .hero-actions .btn{width:100%}
  .step{grid-template-columns:52px 1fr;gap:18px}
  .step-no{width:52px;height:52px;border-radius:16px;font-size:18px}
  .steps::before{left:25px}
  .faq-a p{padding:0 20px 18px 20px}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .section{padding:48px 0}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .logo-sub{display:none}
  .mini-stats{gap:20px}
  .stat{flex:1 1 40%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category4 */
:root{
    --brand-1:#E4572E;
    --brand-2:#F2994A;
    --ink:#14532D;
    --bg:#FFF8F3;
    --card:#FFFFFF;
    --sub:#FDEBE2;
    --line:#F1D9CC;
    --text:#3F3A37;
    --muted:#7A6F68;
    --accent:#2563EB;
    --radius-lg:24px;
    --radius-md:16px;
    --radius-sm:8px;
    --shadow-1:0 6px 24px rgba(20,83,45,.08);
    --shadow-2:0 14px 36px rgba(228,87,46,.16);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
    font-size:16px;
    line-height:28px;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
  .num{font-variant-numeric:tabular-nums;}

  /* ============ 导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,248,243,.92);
    backdrop-filter:saturate(160%) blur(10px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .25s ease,background .25s ease;
  }
  .site-header.is-scrolled{box-shadow:0 8px 26px rgba(20,83,45,.10);background:rgba(255,255,255,.95);}
  .nav-wrap{display:flex;align-items:center;gap:24px;min-height:76px;}
  .logo{display:flex;align-items:center;gap:12px;flex-shrink:0;}
  .logo-dot{
    width:14px;height:14px;border-radius:50%;
    background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
    box-shadow:0 0 0 5px rgba(228,87,46,.14);
    flex-shrink:0;
  }
  .logo-text{display:flex;flex-direction:column;line-height:1.2;}
  .logo-main{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.2px;}
  .logo-sub{font-size:11px;color:var(--muted);letter-spacing:.4px;}
  .main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
  .nav-link{
    position:relative;padding:10px 12px;font-size:15px;color:var(--text);
    border-radius:10px;transition:color .2s ease,background .2s ease;
  }
  .nav-link::after{
    content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
    background:linear-gradient(90deg,var(--brand-1),var(--brand-2));
    transform:scaleX(0);transform-origin:left;transition:transform .22s ease;border-radius:2px;
  }
  .nav-link:hover{color:var(--brand-1);background:rgba(253,235,226,.6);}
  .nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
  .nav-link.active{color:var(--brand-1);font-weight:600;}
  .nav-link:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;}
  .nav-cta{
    flex-shrink:0;height:44px;display:inline-flex;align-items:center;justify-content:center;
    padding:0 22px;border-radius:999px;font-size:15px;font-weight:600;color:#fff;
    background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
    box-shadow:0 6px 18px rgba(228,87,46,.28);
    transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
  }
  .nav-cta:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(228,87,46,.34);filter:brightness(1.05);}
  .nav-toggle{
    display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;
    border-radius:12px;align-items:center;justify-content:center;cursor:pointer;
  }
  .nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
  .nav-toggle span::before,.nav-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);transition:transform .2s ease;
  }
  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}

  /* ============ 通用按钮 / 徽章 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;
    border:1px solid transparent;cursor:pointer;transition:all .2s ease;
  }
  .btn-primary{
    color:#fff;background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
    box-shadow:0 6px 18px rgba(228,87,46,.26);
  }
  .btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(228,87,46,.34);filter:brightness(1.05);}
  .btn-outline{color:var(--brand-1);background:#fff;border-color:rgba(228,87,46,.5);}
  .btn-outline:hover{background:var(--sub);border-color:var(--brand-1);}
  .btn:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;}
  .badge{
    display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:var(--radius-sm);
    font-size:12px;font-weight:600;line-height:16px;
  }
  .badge-warm{background:var(--sub);color:var(--brand-1);}
  .badge-green{background:#E5F2E9;color:var(--ink);}
  .badge-info{background:var(--accent);color:#fff;}
  .section{padding:76px 0;}
  .section-tight{padding:56px 0;}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap;}
  .sec-title{display:flex;align-items:center;gap:12px;font-size:28px;font-weight:700;color:var(--ink);line-height:36px;}
  .sec-title::before{
    content:"";width:4px;height:26px;border-radius:4px;
    background:linear-gradient(180deg,var(--brand-1),var(--brand-2));
  }
  .sec-desc{margin-top:10px;font-size:15px;color:var(--muted);max-width:620px;}
  .link-more{font-size:14px;font-weight:600;color:var(--brand-1);border-bottom:1px dashed rgba(228,87,46,.5);padding-bottom:2px;}
  .link-more:hover{color:var(--brand-2);}

  /* ============ 页头 banner ============ */
  .page-banner{
    position:relative;overflow:hidden;
    background:
      linear-gradient(135deg,rgba(228,87,46,.86),rgba(242,153,74,.78)),
      url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    color:#fff;
  }
  .page-banner::after{
    content:"";position:absolute;right:-100px;top:-120px;width:420px;height:420px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,255,255,.35),rgba(255,255,255,0) 68%);
  }
  .banner-inner{position:relative;z-index:2;padding:56px 0 52px;}
  .crumb{font-size:13px;color:rgba(255,255,255,.9);display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
  .crumb a:hover{color:#fff;text-decoration:underline;}
  .crumb .sep{color:rgba(255,255,255,.7);}
  .crumb .now{color:rgba(255,255,255,.72);}
  .banner-h1{font-size:36px;line-height:44px;font-weight:700;margin-top:16px;max-width:760px;}
  .banner-sub{margin-top:14px;font-size:16px;line-height:28px;color:rgba(255,255,255,.94);max-width:640px;}
  .banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
  .banner-tag{
    padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
    background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.42);color:#fff;
  }

  /* ============ 现象速览卡 ============ */
  .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
  .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
  .card{
    background:var(--card);border-radius:var(--radius-lg);padding:24px;
    box-shadow:var(--shadow-1);border:1px solid rgba(241,217,204,.8);
    transition:transform .25s ease,box-shadow .25s ease;
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
  .icon-round{
    width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
    background:var(--sub);color:var(--brand-1);font-size:18px;font-weight:700;margin-bottom:16px;
  }
  .card h3{font-size:18px;line-height:26px;font-weight:600;color:var(--ink);margin-bottom:8px;}
  .card p{font-size:14px;line-height:24px;color:var(--muted);}
  .card .card-foot{margin-top:16px;font-size:13px;color:var(--brand-1);font-weight:600;}

  /* ============ 图文交错 ============ */
  .split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
  .split-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-1);border:1px solid var(--line);}
  .split-media img{width:100%;height:360px;object-fit:cover;transition:transform .4s ease;}
  .split-media:hover img{transform:scale(1.03);}
  .split h2{font-size:28px;line-height:36px;font-weight:700;color:var(--ink);margin-bottom:16px;}
  .split p{font-size:15px;line-height:28px;color:var(--muted);margin-bottom:14px;}
  .check-list{margin-top:18px;display:grid;gap:12px;}
  .check-list li{display:flex;gap:12px;font-size:15px;color:var(--text);line-height:26px;}
  .check-list li span.dot{
    flex-shrink:0;width:20px;height:20px;border-radius:50%;margin-top:3px;
    background:linear-gradient(135deg,var(--brand-1),var(--brand-2));color:#fff;
    font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
  }

  /* ============ 竖排步骤 ============ */
  .step-rail{position:relative;margin-top:8px;}
  .step-rail::before{
    content:"";position:absolute;left:26px;top:12px;bottom:12px;width:2px;
    background:linear-gradient(180deg,rgba(228,87,46,.55),rgba(242,153,74,.25));
  }
  .step-item{position:relative;display:flex;gap:22px;padding:0 0 28px 0;}
  .step-num{
    position:relative;z-index:2;flex-shrink:0;width:54px;height:54px;border-radius:16px;
    background:#fff;border:2px solid rgba(228,87,46,.45);color:var(--brand-1);
    font-size:18px;font-weight:700;display:flex;align-items:center;justify-content:center;
    font-variant-numeric:tabular-nums;transition:all .22s ease;
  }
  .step-item:hover .step-num{background:linear-gradient(135deg,var(--brand-1),var(--brand-2));color:#fff;border-color:transparent;}
  .step-body{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);padding:18px 22px;box-shadow:var(--shadow-1);flex:1;}
  .step-body h3{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:6px;}
  .step-body p{font-size:14px;line-height:24px;color:var(--muted);}

  /* ============ 提示信息条 ============ */
  .notice{
    display:flex;gap:16px;align-items:flex-start;padding:20px 24px;border-radius:var(--radius-md);
    background:var(--sub);border:1px solid var(--line);
  }
  .notice strong{color:var(--ink);font-size:15px;display:block;margin-bottom:4px;}
  .notice p{font-size:14px;line-height:24px;color:var(--muted);}
  .notice .mark{
    flex-shrink:0;width:34px;height:34px;border-radius:10px;background:#fff;color:var(--brand-1);
    display:flex;align-items:center;justify-content:center;font-weight:700;
  }

  /* ============ FAQ ============ */
  .faq-wrap{background:var(--card);border-radius:var(--radius-lg);border:1px solid var(--line);box-shadow:var(--shadow-1);padding:8px 28px;}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item:last-child{border-bottom:none;}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:14px;
    padding:22px 0;font-size:16px;font-weight:600;color:var(--ink);line-height:26px;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;border-radius:6px;}
  .faq-q{
    flex-shrink:0;width:24px;height:24px;border-radius:7px;background:var(--brand-1);color:#fff;
    font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:1px;
  }
  .faq-ico{
    margin-left:auto;flex-shrink:0;color:var(--accent);font-size:20px;line-height:1;
    transition:transform .2s ease;font-weight:400;
  }
  .faq-item[open] .faq-ico{transform:rotate(45deg);}
  .faq-item[open] summary{color:var(--brand-1);}
  .faq-a{padding:0 0 22px 38px;font-size:15px;line-height:28px;color:var(--muted);}

  /* ============ CTA 带 ============ */
  .cta-band{
    position:relative;overflow:hidden;border-radius:var(--radius-lg);
    background:linear-gradient(120deg,var(--brand-1),var(--brand-2));
    color:#fff;padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
    box-shadow:0 18px 44px rgba(228,87,46,.24);
  }
  .cta-band::after{
    content:"";position:absolute;right:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,255,255,.28),rgba(255,255,255,0) 70%);
  }
  .cta-band h2{font-size:26px;line-height:34px;font-weight:700;position:relative;z-index:2;}
  .cta-band p{font-size:14px;line-height:24px;color:rgba(255,255,255,.92);margin-top:10px;position:relative;z-index:2;max-width:560px;}
  .cta-band .btn-white{
    position:relative;z-index:2;background:#fff;color:var(--brand-1);
    box-shadow:0 8px 22px rgba(20,83,45,.16);white-space:nowrap;
  }
  .cta-band .btn-white:hover{transform:translateY(-1px);filter:none;background:#FFF8F3;}
  .cta-note{margin-top:14px;font-size:12px;color:var(--muted);}

  /* ============ 相关分类互链表 ============ */
  .rel-table{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
    overflow:hidden;box-shadow:var(--shadow-1);
  }
  .rel-row{
    display:grid;grid-template-columns:200px 1fr auto;gap:20px;align-items:center;
    padding:20px 26px;border-bottom:1px solid var(--line);transition:background .2s ease;
  }
  .rel-row:last-child{border-bottom:none;}
  .rel-row:hover{background:#FFF6F0;}
  .rel-name{font-size:16px;font-weight:600;color:var(--ink);display:flex;align-items:center;gap:10px;}
  .rel-name em{
    width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
    font-style:normal;flex-shrink:0;
  }
  .rel-desc{font-size:14px;line-height:24px;color:var(--muted);}
  .rel-go{font-size:14px;font-weight:600;color:var(--brand-1);white-space:nowrap;}
  .rel-row:hover .rel-go{color:var(--brand-2);}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--ink);color:#DCE9DF;padding:60px 0 0;margin-top:20px;}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px;}
  .footer-brand .logo-dot{box-shadow:0 0 0 5px rgba(242,153,74,.2);}
  .footer-text{font-size:14px;line-height:24px;color:rgba(220,233,223,.8);max-width:340px;}
  .footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.3px;}
  .footer-col ul{display:grid;gap:10px;}
  .footer-col a{font-size:14px;color:rgba(220,233,223,.82);transition:color .2s ease;}
  .footer-col a:hover{color:var(--brand-2);}
  .footer-contact p{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(220,233,223,.82);margin-bottom:10px;line-height:22px;}
  .footer-contact i{
    flex-shrink:0;width:22px;height:22px;border-radius:50%;background:rgba(242,153,74,.18);
    color:var(--brand-2);font-style:normal;font-size:12px;display:flex;align-items:center;justify-content:center;
  }
  .footer-bottom{
    margin-top:44px;border-top:1px solid rgba(220,233,223,.16);padding:20px 0 26px;
    display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
    font-size:13px;color:rgba(220,233,223,.62);
  }

  /* ============ 响应式 ============ */
  @media (max-width:1024px){
    .main-nav{display:none;}
    .nav-toggle{display:flex;margin-left:auto;}
    .nav-cta{display:none;}
    .main-nav.open{
      display:flex;position:absolute;left:0;right:0;top:100%;
      flex-direction:column;align-items:stretch;gap:2px;
      background:#fff;padding:14px 20px 20px;border-bottom:1px solid var(--line);
      box-shadow:0 18px 34px rgba(20,83,45,.12);
    }
    .main-nav.open .nav-link{padding:14px 8px;font-size:15px;border-bottom:1px solid rgba(241,217,204,.7);}
    .main-nav.open .nav-link::after{display:none;}
    .main-nav.open .nav-link.active{background:var(--sub);border-radius:10px;}
    .main-nav.open .nav-cta-mobile{
      display:flex;margin-top:12px;width:100%;
    }
    .grid-4{grid-template-columns:repeat(2,1fr);}
    .grid-3{grid-template-columns:repeat(2,1fr);}
    .split{grid-template-columns:1fr;gap:28px;}
    .split-media img{height:300px;}
    .footer-grid{grid-template-columns:repeat(2,1fr);}
    .rel-row{grid-template-columns:1fr;gap:8px;}
    .rel-go{justify-self:start;}
  }
  .nav-cta-mobile{display:none;}
  @media (max-width:768px){
    .section{padding:56px 0;}
    .banner-inner{padding:40px 0 36px;}
    .banner-h1{font-size:27px;line-height:36px;}
    .sec-title{font-size:23px;line-height:32px;}
    .cta-band{flex-direction:column;align-items:flex-start;padding:32px 26px;gap:22px;}
    .cta-band h2{font-size:22px;line-height:30px;}
    .cta-band .btn{width:100%;}
    .faq-wrap{padding:4px 18px;}
    .footer-grid{grid-template-columns:1fr;gap:28px;}
  }
  @media (max-width:520px){
    .container{padding:0 18px;}
    .grid-3,.grid-4,.grid-2{grid-template-columns:1fr;}
    .banner-h1{font-size:23px;line-height:32px;}
    .logo-main{font-size:16px;}
    .logo-sub{display:none;}
    .step-item{gap:14px;}
    .step-num{width:44px;height:44px;font-size:16px;border-radius:12px;}
    .step-rail::before{left:21px;}
    .faq-a{padding-left:0;}
    .card{padding:20px;}
  }

/* roulang page: category5 */
:root{
  --brand-1:#E4572E;
  --brand-2:#F2994A;
  --ink:#14532D;
  --bg:#FFF8F3;
  --bg-2:#FDEBE2;
  --card:#FFFFFF;
  --line:#F1D9CC;
  --text:#3F3A37;
  --muted:#7A6F68;
  --accent:#2563EB;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:8px;
  --shadow-1:0 6px 24px rgba(20,83,45,.08);
  --shadow-2:0 14px 36px rgba(228,87,46,.16);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
input,textarea,select{font:inherit;}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px;}

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

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,248,243,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(20,83,45,.09);}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:76px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-dot{
  width:12px;height:12px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  box-shadow:0 0 0 4px rgba(228,87,46,.14);
  flex:0 0 auto;
}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-main{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.3px;}
.logo-sub{font-size:11px;color:var(--muted);letter-spacing:.4px;}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
  position:relative;padding:9px 11px;font-size:15px;color:#5A514C;border-radius:10px;
  transition:color .2s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand-1),var(--brand-2));
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--brand-1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand-1);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.nav-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;position:relative;flex:0 0 auto;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;border-radius:2px;
  background:var(--ink);transform:translateX(-50%);transition:.25s ease;
}
.nav-toggle span{top:21px;}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none;}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,background .2s ease,color .2s ease,filter .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  color:#fff;box-shadow:0 8px 20px rgba(228,87,46,.26);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 14px 30px rgba(228,87,46,.34);}
.btn-outline{background:#fff;color:var(--brand-1);border:1px solid rgba(228,87,46,.5);}
.btn-outline:hover{background:var(--bg-2);transform:translateY(-1px);}
.btn-ghost{color:var(--ink);padding:0 6px;border-radius:10px;height:auto;text-decoration:underline;text-decoration-color:rgba(20,83,45,.35);text-underline-offset:5px;}
.btn-ghost:hover{color:var(--brand-1);text-decoration-color:var(--brand-1);}
.btn-white{background:#fff;color:var(--brand-1);box-shadow:0 10px 24px rgba(20,83,45,.18);}
.btn-white:hover{transform:translateY(-1px);box-shadow:0 16px 32px rgba(20,83,45,.22);}

/* ============ 徽章与标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 10px;border-radius:var(--radius-sm);
  font-size:12px;font-weight:600;line-height:1.4;
}
.badge-soft{background:var(--bg-2);color:#B4401F;}
.badge-green{background:#E4F2E9;color:var(--ink);}
.badge-info{background:rgba(37,99,235,.12);color:var(--accent);}

/* ============ 分类页页头 ============ */
.cat-hero{
  position:relative;overflow:hidden;
  padding:52px 0 48px;
  background-image:linear-gradient(135deg,rgba(255,241,231,.95),rgba(253,227,213,.9) 60%,rgba(251,215,196,.92)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.cat-hero::after{
  content:"";position:absolute;right:-90px;top:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,153,74,.42),transparent 70%);
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:1;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:16px;}
.breadcrumb a{color:var(--muted);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--brand-1);}
.breadcrumb .sep{color:var(--brand-1);}
.breadcrumb .current{color:#9A908A;}
.cat-title{font-size:36px;line-height:1.35;font-weight:700;color:var(--ink);letter-spacing:.3px;max-width:820px;}
.cat-sub{margin-top:12px;font-size:16px;color:#6B615B;max-width:760px;}
.cat-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}

/* ============ 通用板块 ============ */
.section{padding:64px 0;}
.section-alt{background:linear-gradient(180deg,#FFF8F3,#FDEBE2 55%,#FFF8F3);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px;flex-wrap:wrap;}
.sec-title{position:relative;padding-left:14px;font-size:28px;line-height:1.35;font-weight:700;color:var(--ink);}
.sec-title::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand-1),var(--brand-2));
}
.sec-desc{margin-top:10px;font-size:15px;color:var(--muted);max-width:760px;}
.sec-link{font-size:14px;font-weight:600;color:var(--brand-1);border-bottom:1px solid rgba(228,87,46,.35);padding-bottom:2px;transition:.2s ease;}
.sec-link:hover{color:var(--ink);border-color:var(--ink);}

/* ============ 卡片 ============ */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);padding:24px;transition:box-shadow .25s ease,transform .25s ease;
}
.card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px);}
.img-wrap{border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--line);background:var(--bg-2);}
.img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.img-wrap:hover img{transform:scale(1.03);}

/* ============ 图文交错块 ============ */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;}
.split-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);}
.split-media img{width:100%;height:100%;object-fit:cover;display:block;}
.split-body h2{font-size:28px;line-height:1.4;font-weight:700;color:var(--ink);margin-bottom:16px;}
.split-body p{font-size:16px;color:#5C544F;margin-bottom:14px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 24px;}
.tag{
  display:inline-flex;align-items:center;padding:6px 12px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--muted);
}

/* ============ 清单区 ============ */
.list-stack{display:flex;flex-direction:column;gap:14px;}
.list-item{
  display:flex;align-items:center;gap:22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:20px 24px;box-shadow:var(--shadow-1);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.list-item:hover{box-shadow:var(--shadow-2);transform:translateY(-3px);border-color:rgba(228,87,46,.4);}
.list-num{
  font-size:30px;font-weight:700;line-height:1;font-variant-numeric:tabular-nums;
  color:var(--brand-1);opacity:.38;flex:0 0 auto;min-width:52px;transition:.25s ease;
}
@supports (-webkit-text-stroke:1px #000){
  .list-num{color:transparent;opacity:1;-webkit-text-stroke:1.5px var(--brand-1);}
  .list-item:hover .list-num{color:var(--brand-1);-webkit-text-stroke:0;}
}
.list-item:hover .list-num{opacity:1;}
.list-main{flex:1 1 auto;}
.list-main h3{font-size:19px;font-weight:600;color:var(--ink);margin-bottom:4px;}
.list-main p{font-size:14.5px;color:var(--muted);line-height:1.75;}
.list-arrow{color:var(--brand-1);font-size:20px;line-height:1;flex:0 0 auto;transition:transform .25s ease;}
.list-item:hover .list-arrow{transform:translateX(5px);}

/* ============ 对比卡 ============ */
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.compare-card{display:flex;flex-direction:column;height:100%;}
.compare-card.featured{border-color:rgba(228,87,46,.55);box-shadow:0 12px 32px rgba(228,87,46,.16);}
.compare-card h3{font-size:20px;font-weight:600;color:var(--ink);margin:14px 0 6px;}
.compare-card .lead{font-size:14px;color:var(--muted);min-height:44px;}
.spec-list{margin:18px 0;display:flex;flex-direction:column;gap:12px;}
.spec-list li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:#5C544F;}
.spec-list li i{
  font-style:normal;flex:0 0 auto;width:20px;height:20px;border-radius:50%;
  background:var(--bg-2);color:var(--brand-1);font-size:11px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;margin-top:3px;
}
.score-row{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);}
.score-row span{font-size:13px;color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums;}
.score{flex:1 1 auto;height:8px;border-radius:999px;background:var(--bg-2);overflow:hidden;}
.score i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand-1),var(--brand-2));}

/* ============ 步骤条 ============ */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:22px;box-shadow:var(--shadow-1);position:relative;}
.step-card .step-idx{
  width:34px;height:34px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));color:#fff;font-size:14px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:17px;font-weight:600;color:var(--ink);margin:14px 0 6px;}
.step-card p{font-size:14px;color:var(--muted);line-height:1.75;}

/* ============ 数据徽章条 ============ */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-1);}
.stat-num{font-size:34px;font-weight:700;color:var(--ink);line-height:1.1;font-variant-numeric:tabular-nums;}
.stat-num em{font-size:15px;font-style:normal;font-weight:600;color:var(--brand-1);margin-left:4px;}
.stat-label{margin-top:8px;font-size:14px;color:var(--muted);}

/* ============ 反馈摘录 ============ */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.voice-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-1);}
.voice-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{
  width:42px;height:42px;border-radius:50%;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
}
.voice-name{font-size:15px;font-weight:600;color:var(--ink);}
.voice-role{font-size:12.5px;color:var(--muted);}
.voice-card p{font-size:14.5px;color:#5C544F;line-height:1.85;}
.stars{margin-top:14px;color:var(--brand-2);font-size:13px;letter-spacing:2px;font-variant-numeric:tabular-nums;}
.stars span{color:var(--muted);letter-spacing:0;margin-left:6px;font-size:12.5px;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-1);}
.faq-item summary{
  display:flex;align-items:center;gap:12px;padding:18px 22px;
  font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.q-mark{
  width:24px;height:24px;border-radius:6px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));color:#fff;
  font-size:13px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;
}
.faq-arrow{margin-left:auto;color:var(--brand-1);font-size:13px;line-height:1;transition:transform .2s ease;}
.faq-item[open] .faq-arrow{transform:rotate(180deg);}
.faq-body{padding:0 22px 20px 58px;font-size:15px;color:var(--muted);line-height:1.95;animation:faqIn .2s ease;}
@keyframes faqIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ============ CTA 转化带 ============ */
.cta-band{
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  border-radius:var(--radius-lg);padding:40px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:0 18px 40px rgba(228,87,46,.28);
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.16);
}
.cta-band h2{font-size:26px;line-height:1.4;font-weight:700;margin-bottom:10px;position:relative;z-index:1;}
.cta-band p{font-size:15px;color:rgba(255,255,255,.9);max-width:620px;position:relative;z-index:1;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1;flex:0 0 auto;}
.cta-note{margin-top:18px;font-size:12.5px;color:rgba(255,255,255,.78);position:relative;z-index:1;}

/* ============ 互链表格式 ============ */
.cross-table{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-1);}
.cross-row{
  display:grid;grid-template-columns:1.05fr 2.1fr auto;gap:18px;align-items:center;
  padding:18px 26px;border-top:1px solid var(--line);transition:background .2s ease;
}
.cross-row:first-child{border-top:0;}
.cross-row:hover{background:var(--bg-2);}
.cross-row .col-name{font-size:15.5px;font-weight:600;color:var(--ink);}
.cross-row .col-desc{font-size:14px;color:var(--muted);}
.cross-row .col-link{font-size:14px;font-weight:600;color:var(--brand-1);white-space:nowrap;}
.cross-row:hover .col-link{color:var(--ink);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#D9E6DD;padding:56px 0 24px;margin-top:72px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;}
.footer-brand .logo-dot{box-shadow:0 0 0 4px rgba(242,153,74,.22);}
.footer-text{margin-top:14px;font-size:14px;line-height:1.95;color:rgba(217,230,221,.78);}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(217,230,221,.82);transition:color .2s ease;}
.footer-col a:hover{color:var(--brand-2);}
.footer-contact p{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(217,230,221,.82);margin-bottom:10px;line-height:1.7;}
.footer-contact i{
  font-style:normal;flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  background:rgba(255,255,255,.1);color:var(--brand-2);font-size:11px;
  display:inline-flex;align-items:center;justify-content:center;margin-top:3px;
}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(217,230,221,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .nav-cta{display:none;}
  .nav-toggle{display:inline-block;}
  .main-nav{
    position:fixed;left:0;right:0;top:76px;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:14px 24px 20px;box-shadow:0 16px 30px rgba(20,83,45,.12);
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:.25s ease;
    max-height:calc(100vh - 76px);overflow:auto;
  }
  .main-nav.open{transform:none;opacity:1;pointer-events:auto;}
  .nav-link{padding:13px 8px;font-size:16px;border-bottom:1px solid var(--line);border-radius:0;}
  .nav-link::after{display:none;}
  .nav-link.active{color:var(--brand-1);}
  .split{grid-template-columns:1fr;gap:28px;}
  .compare-grid{grid-template-columns:1fr 1fr;}
  .step-grid{grid-template-columns:1fr 1fr;}
  .stats-grid{grid-template-columns:1fr 1fr;}
  .voice-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .cat-hero{padding:38px 0 34px;}
  .cat-title{font-size:27px;}
  .cat-sub{font-size:15px;}
  .section{padding:48px 0;}
  .sec-title{font-size:23px;}
  .split-body h2{font-size:23px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 24px;}
  .cta-band h2{font-size:22px;}
  .cross-row{grid-template-columns:1fr;gap:6px;padding:16px 20px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .logo-sub{display:none;}
  .cat-title{font-size:23px;}
  .compare-grid,.step-grid,.stats-grid,.voice-grid{grid-template-columns:1fr;}
  .list-item{gap:14px;padding:18px;}
  .list-num{font-size:24px;min-width:38px;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .faq-body{padding:0 18px 18px 18px;}
  .faq-item summary{padding:16px 18px;font-size:15px;}
}