/* roulang page: index */
:root{
  --ink:#0E1011;
  --ink-2:#2B3033;
  --paper:#F7F5F1;
  --paper-deep:#EFEBE3;
  --surface:#FFFFFF;
  --line:#E4DFD5;
  --accent:#0F9D63;
  --accent-ink:#0A6B45;
  --accent-soft:#E7F4EE;
  --amber:#C07A2C;
  --amber-soft:#F7EEE1;
  --dark-text:#F2EFE9;
  --dark-text-2:rgba(242,239,233,.68);
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-hover:0 10px 30px rgba(14,16,17,.07);
  --gap-section:96px;
  --font: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Inter",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-2);
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.78;
  letter-spacing:0;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--accent-ink);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent);}
ul,ol{padding-left:0;margin:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
::selection{background:var(--accent-soft);color:var(--accent-ink);}

.container,
.container-lg,
.container-md,
.container-sm,
.container-xl{
  width:100%;
  max-width:1240px;
  padding-left:20px;
  padding-right:20px;
  margin-left:auto;
  margin-right:auto;
}
@media (min-width:1400px){
  .container,.container-xl{max-width:1320px;}
}

/* ---------- 通用排版 ---------- */
.eyebrow{
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent-ink);
  font-weight:600;
  margin-bottom:14px;
}
.h1{
  font-size:clamp(34px,5.2vw,62px);
  line-height:1.08;
  letter-spacing:-.02em;
  font-weight:700;
  color:var(--ink);
}
h2,.h2{
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.2;
  letter-spacing:-.015em;
  font-weight:700;
  color:var(--ink);
}
h3,.h3{
  font-size:21px;
  line-height:1.4;
  font-weight:650;
  color:var(--ink);
}
.lead-text{
  font-size:17px;
  line-height:1.78;
  color:var(--ink-2);
}
.muted{color:#6E7378;font-size:13px;}
.section{padding:var(--gap-section) 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  padding-bottom:26px;
  border-bottom:1px solid var(--line);
  margin-bottom:44px;
}
.section-head p.section-desc{
  margin-top:12px;
  max-width:640px;
  font-size:16px;
  color:var(--ink-2);
}
.rule-top{border-top:1px solid var(--line);}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15.5px;
  font-weight:600;
  letter-spacing:.01em;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-main{background:var(--accent);color:#F4FFF9;}
.btn-main:hover{background:var(--accent-ink);color:#fff;transform:translateY(-1px);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--dark-text);}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15.5px;
  font-weight:600;
  color:var(--ink);
}
.link-arrow span{transition:transform .2s ease;}
.link-arrow:hover{color:var(--accent-ink);}
.link-arrow:hover span{transform:translateX(4px);}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  background:var(--accent-soft);
  color:var(--accent-ink);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.02em;
}
.tag-amber{background:var(--amber-soft);color:var(--amber);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,border-color .25s ease,backdrop-filter .25s ease;
}
.site-header.is-scrolled{
  background:rgba(247,245,241,.94);
  border-bottom-color:var(--line);
  backdrop-filter:saturate(150%) blur(6px);
}
.nav-wrap{
  height:76px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.nav-side{
  display:flex;
  align-items:center;
  gap:30px;
  flex:1 1 0;
}
.nav-side.right{justify-content:flex-end;gap:26px;}
.nav-link-x{
  position:relative;
  font-size:15px;
  font-weight:550;
  color:var(--ink-2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link-x::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:0;
  width:0;
  height:1px;
  background:var(--ink);
  transition:width .2s ease,left .2s ease;
}
.nav-link-x:hover{color:var(--ink);}
.nav-link-x:hover::after{width:100%;left:0;}
.nav-link-x.active{color:var(--ink);}
.nav-link-x.active::before{
  content:"";
  position:absolute;
  left:0;
  bottom:-4px;
  width:16px;
  height:2px;
  background:var(--accent);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:600;
  letter-spacing:-.01em;
  color:var(--ink);
  white-space:nowrap;
}
.brand:hover{color:var(--ink);}
.brand .mark{
  width:16px;
  height:16px;
  border-radius:4px;
  background:var(--accent);
  position:relative;
  flex:none;
}
.brand .mark::after{
  content:"";
  position:absolute;
  inset:4px;
  border-radius:2px;
  background:var(--paper);
}
.nav-cta{height:42px;padding:0 20px;font-size:14.5px;}
.mobile-bar{
  height:66px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.nav-toggle{
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--surface);
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:1.5px;
  background:var(--ink);
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:first-child{transform:translateY(3.25px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:last-child{transform:translateY(-3.25px) rotate(-45deg);}
.mobile-menu{
  border-top:1px solid var(--line);
  background:var(--paper);
  padding:8px 0 20px;
}
.mobile-menu a{
  display:flex;
  align-items:center;
  min-height:52px;
  font-size:16px;
  font-weight:550;
  color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.mobile-menu a.active{color:var(--accent-ink);}
.mobile-menu .mobile-cta{
  margin-top:18px;
  border-bottom:none;
  justify-content:center;
}

/* ---------- Hero ---------- */
.hero{padding:70px 0 0;}
.hero-sub{
  margin-top:22px;
  font-size:clamp(17px,1.4vw,19px);
  line-height:1.7;
  color:var(--ink-2);
  max-width:560px;
}
.hero-actions{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:14px 28px;
  margin-top:34px;
}
.hero-media{
  position:relative;
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/10;
  background:var(--paper-deep);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
  margin-top:56px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.hero-stats .stat b{
  display:block;
  font-size:clamp(20px,2vw,26px);
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.01em;
}
.hero-stats .stat span{
  display:block;
  margin-top:6px;
  font-size:13px;
  color:#6E7378;
  line-height:1.5;
}

/* ---------- 信任条 ---------- */
.trustbar{
  margin-top:44px;
  padding:18px 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.trustbar ul{
  display:flex;
  gap:36px;
  overflow-x:auto;
  scrollbar-width:none;
}
.trustbar ul::-webkit-scrollbar{display:none;}
.trustbar li{
  font-size:13px;
  color:#6E7378;
  opacity:.75;
  white-space:nowrap;
  letter-spacing:.02em;
}

/* ---------- 功能分组 ---------- */
.feature-row{
  border-bottom:1px solid var(--line);
  padding:34px 0;
  position:relative;
  transition:background-color .2s ease,transform .2s ease,padding-left .2s ease;
}
.feature-row:first-child{border-top:1px solid var(--line);}
.feature-row::before{
  content:"";
  position:absolute;
  left:0;
  top:34px;
  bottom:34px;
  width:3px;
  background:var(--accent);
  opacity:0;
  transition:opacity .2s ease;
}
.feature-row:hover{
  background:var(--paper-deep);
  padding-left:16px;
  border-radius:10px;
}
.feature-row:hover::before{opacity:1;}
.feature-head .num{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  color:var(--amber);
  letter-spacing:.08em;
  margin-bottom:10px;
}
.feature-head p{
  margin-top:10px;
  font-size:15px;
  color:var(--ink-2);
  max-width:330px;
}
.feature-body{
  display:flex;
  gap:32px;
  align-items:flex-start;
}
.point-list{flex:1 1 auto;min-width:0;}
.point-list li{
  position:relative;
  padding-left:20px;
  font-size:15.5px;
  line-height:1.75;
  color:var(--ink-2);
  border-bottom:1px solid var(--line);
  padding-top:14px;
  padding-bottom:14px;
}
.point-list li:first-child{padding-top:0;}
.point-list li:last-child{border-bottom:none;padding-bottom:0;}
.point-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:24px;
  width:8px;
  height:2px;
  background:var(--accent);
}
.point-list li:first-child::before{top:10px;}
.feature-thumb{
  flex:0 0 210px;
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:3/2;
  background:var(--paper-deep);
}
.feature-thumb img{width:100%;height:100%;object-fit:cover;}

/* ---------- 使用场景 ---------- */
.scene-wrap{
  display:grid;
  grid-template-columns:3fr 9fr;
  gap:0;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  background:var(--surface);
}
.scene-tabs{border-right:1px solid var(--line);}
.scene-tab{
  width:100%;
  text-align:left;
  background:transparent;
  border:none;
  border-bottom:1px solid var(--line);
  padding:24px 22px;
  position:relative;
  cursor:pointer;
  transition:background-color .2s ease;
}
.scene-tab:last-child{border-bottom:none;}
.scene-tab b{
  display:block;
  font-size:16.5px;
  font-weight:650;
  color:var(--ink-2);
  margin-bottom:6px;
}
.scene-tab i{
  display:block;
  font-style:normal;
  font-size:13px;
  color:#6E7378;
}
.scene-tab::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:3px;
  background:var(--accent);
  opacity:0;
  transition:opacity .2s ease;
}
.scene-tab.active{background:var(--accent-soft);}
.scene-tab.active::before{opacity:1;}
.scene-tab.active b{color:var(--ink);}
.scene-panel{display:none;padding:32px;gap:32px;}
.scene-panel.active{display:flex;}
.scene-panel .scene-text{flex:1 1 auto;min-width:0;}
.scene-panel h3{margin-bottom:14px;}
.scene-panel .scene-list li{
  font-size:15.5px;
  line-height:1.78;
  padding:12px 0 12px 20px;
  position:relative;
  border-bottom:1px dashed var(--line);
}
.scene-panel .scene-list li:last-child{border-bottom:none;}
.scene-panel .scene-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:23px;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--accent);
}
.scene-figure{
  flex:0 0 260px;
  aspect-ratio:3/2;
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--paper-deep);
}
.scene-figure img{width:100%;height:100%;object-fit:cover;}

/* ---------- 案例 ---------- */
.case-main{
  display:grid;
  grid-template-columns:5fr 7fr;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  background:var(--surface);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.case-main:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--accent-soft);}
.case-main .case-img{aspect-ratio:4/3;overflow:hidden;border-right:1px solid var(--line);background:var(--paper-deep);}
.case-main .case-img img{width:100%;height:100%;object-fit:cover;}
.case-main .case-body{padding:32px;}
.case-main .case-body p{margin-top:14px;font-size:15.5px;color:var(--ink-2);}
.case-stat{
  margin-top:22px;
  padding-top:18px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:baseline;
  gap:12px;
}
.case-stat b{font-size:26px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.case-stat span{font-size:13.5px;color:#6E7378;}
.case-side{display:flex;flex-direction:column;gap:20px;}
.case-mini{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--surface);
  padding:24px;
  flex:1 1 auto;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.case-mini:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--accent-soft);}
.case-mini h3{font-size:17.5px;margin-bottom:8px;}
.case-mini p{font-size:14.5px;color:var(--ink-2);}
.case-mini .mini-stat{
  display:inline-block;
  margin-top:14px;
  font-size:20px;
  font-weight:700;
  color:var(--ink);
}
.case-mini .mini-stat em{font-style:normal;font-size:13px;color:#6E7378;font-weight:500;margin-left:6px;}

/* ---------- 价格 ---------- */
.price-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.price-card{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--surface);
  padding:30px 28px;
  display:flex;
  flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.price-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--accent-soft);}
.price-card .plan{font-size:14px;font-weight:650;color:var(--ink-2);letter-spacing:.02em;}
.price-card .amount{
  margin-top:16px;
  font-size:38px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.02em;
  line-height:1.1;
}
.price-card .amount em{font-style:normal;font-size:14px;font-weight:500;color:#6E7378;margin-left:8px;}
.price-card .plan-desc{margin-top:12px;font-size:14.5px;color:var(--ink-2);min-height:48px;}
.price-card ul{margin:22px 0 26px;flex:1 1 auto;}
.price-card ul li{
  font-size:14.5px;
  padding:11px 0 11px 20px;
  border-bottom:1px solid var(--line);
  position:relative;
  color:var(--ink-2);
}
.price-card ul li::before{
  content:"";
  position:absolute;
  left:0;
  top:20px;
  width:9px;
  height:1.5px;
  background:var(--accent);
}
.price-card.featured{
  background:var(--ink);
  border-color:var(--ink);
  position:relative;
}
.price-card.featured .plan,
.price-card.featured .amount{color:var(--dark-text);}
.price-card.featured .plan-desc,
.price-card.featured ul li{color:var(--dark-text-2);}
.price-card.featured ul li{border-bottom-color:rgba(242,239,233,.16);}
.price-card.featured .amount em{color:var(--dark-text-2);}
.price-card.featured .badge-recommend{
  position:absolute;
  top:-12px;
  left:28px;
  height:24px;
  display:inline-flex;
  align-items:center;
  padding:0 12px;
  border-radius:999px;
  background:var(--accent);
  color:#F4FFF9;
  font-size:12px;
  font-weight:650;
  letter-spacing:.04em;
}
.compare-wrap{margin-top:52px;overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface);}
table.compare{
  width:100%;
  min-width:640px;
  border-collapse:collapse;
}
table.compare th,table.compare td{
  padding:0 24px;
  height:52px;
  text-align:left;
  font-size:14.5px;
  border-bottom:1px solid var(--line);
  color:var(--ink-2);
}
table.compare thead th{
  background:var(--ink);
  color:var(--dark-text);
  font-weight:600;
  font-size:14px;
  letter-spacing:.02em;
  border-bottom:none;
}
table.compare tbody tr:last-child td{border-bottom:none;}
table.compare td:first-child{color:var(--ink);font-weight:550;}

/* ---------- 最新资讯（CMS） ---------- */
.news-wrap{display:grid;gap:0;}
.news-lead{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:0;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  background:var(--surface);
  margin-bottom:26px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-lead:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--accent-soft);}
.news-lead .thumb{aspect-ratio:3/2;overflow:hidden;border-right:1px solid var(--line);background:var(--paper-deep);}
.news-lead .thumb img{width:100%;height:100%;object-fit:cover;}
.news-lead .body{padding:30px;}
.news-lead .meta{
  display:flex;
  align-items:center;
  gap:14px;
  font-size:12.5px;
  color:#6E7378;
  margin-bottom:14px;
}
.news-lead h3{font-size:22px;line-height:1.4;}
.news-lead p{
  margin-top:12px;
  font-size:15px;
  color:var(--ink-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-list{border-top:1px solid var(--line);}
.news-row{
  display:grid;
  grid-template-columns:88px 1fr auto;
  align-items:center;
  gap:22px;
  min-height:56px;
  padding:18px 6px;
  border-bottom:1px solid var(--line);
  transition:background-color .2s ease,padding-left .2s ease;
}
.news-row:hover{background:var(--paper-deep);padding-left:14px;border-radius:8px;}
.news-row .thumb{
  width:88px;
  aspect-ratio:3/2;
  border-radius:10px;
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--paper-deep);
}
.news-row .thumb img{width:100%;height:100%;object-fit:cover;}
.news-row .txt{min-width:0;}
.news-row .txt strong{
  display:block;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.news-row .txt em{
  display:block;
  font-style:normal;
  margin-top:6px;
  font-size:14px;
  color:var(--ink-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-row .right-meta{
  text-align:right;
  font-size:12.5px;
  color:#6E7378;
  white-space:nowrap;
}
.news-row .right-meta .tag{margin-bottom:8px;}
.empty-state{
  min-height:180px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  background:var(--surface);
  padding:32px;
  text-align:center;
}
.empty-state svg{opacity:.5;}
.empty-state p{font-size:14px;color:#6E7378;}

/* ---------- FAQ ---------- */
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  background:transparent;
  border:none;
  padding:24px 0;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:24px;
  text-align:left;
  cursor:pointer;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--accent-ink);}
.faq-q .sign{
  flex:none;
  width:22px;
  text-align:center;
  font-size:20px;
  font-weight:400;
  color:var(--accent);
  line-height:1.4;
}
.faq-a{
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
  padding-bottom:26px;
  max-width:860px;
}
.faq-panel{display:none;}
.faq-panel.open{display:block;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);
  color:var(--dark-text);
  padding:82px 0;
}
.cta-band h2{color:var(--dark-text);}
.cta-band p{
  margin-top:16px;
  font-size:16px;
  color:var(--dark-text-2);
  max-width:560px;
}
.cta-band .btn-main{margin-top:30px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:var(--dark-text-2);
  padding:64px 0 0;
  border-top:1px solid rgba(242,239,233,.12);
}
.site-footer h4{
  font-size:14px;
  font-weight:650;
  color:var(--dark-text);
  letter-spacing:.06em;
  margin-bottom:18px;
}
.site-footer .brand{color:var(--dark-text);}
.site-footer .brand .mark::after{background:var(--ink);}
.footer-about{margin-top:16px;font-size:14px;line-height:1.8;max-width:300px;}
.footer-contact{margin-top:18px;font-size:14px;line-height:2;}
.footer-contact b{color:var(--dark-text);font-weight:600;}
.footer-links li{margin-bottom:12px;}
.footer-links a{font-size:14.5px;color:var(--dark-text-2);}
.footer-links a:hover{color:var(--accent);}
.footer-social{display:flex;gap:14px;margin-top:20px;}
.footer-social a{
  width:38px;
  height:38px;
  border:1px solid rgba(242,239,233,.2);
  border-radius:10px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--dark-text-2);
  font-size:16px;
}
.footer-social a:hover{border-color:var(--accent);color:var(--accent);}
.footer-bottom{
  margin-top:52px;
  border-top:1px solid rgba(242,239,233,.12);
  padding:22px 0;
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  justify-content:space-between;
  font-size:13px;
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .35s cubic-bezier(.2,.7,.2,1),transform .35s cubic-bezier(.2,.7,.2,1);}
.reveal.in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-side{gap:22px;}
  .nav-side.right{gap:20px;}
  .brand{font-size:17px;}
}
@media (max-width:991px){
  :root{--gap-section:72px;}
  .hero{padding-top:40px;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
  .feature-thumb{flex:0 0 160px;}
  .scene-wrap{grid-template-columns:1fr;}
  .scene-tabs{border-right:none;border-bottom:1px solid var(--line);}
  .scene-panel.active{flex-direction:column;}
  .scene-figure{flex:none;width:100%;}
  .case-main{grid-template-columns:1fr;}
  .case-main .case-img{border-right:none;border-bottom:1px solid var(--line);aspect-ratio:16/9;}
  .price-grid{grid-template-columns:1fr;}
  .news-lead{grid-template-columns:1fr;}
  .news-lead .thumb{border-right:none;border-bottom:1px solid var(--line);aspect-ratio:16/9;}
  table.compare{min-width:560px;}
}
@media (max-width:767px){
  :root{--gap-section:48px;}
  body{font-size:16px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:32px;}
  .feature-body{flex-direction:column;gap:20px;}
  .feature-thumb{flex:none;width:100%;}
  .feature-row:hover{padding-left:10px;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:18px;margin-top:40px;}
  .btn-main,.btn-ghost{height:44px;width:100%;}
  .hero-actions{gap:14px;flex-direction:column;align-items:stretch;}
  .link-arrow{justify-content:center;}
  .news-row{grid-template-columns:72px 1fr;gap:16px;}
  .news-row .thumb{width:72px;}
  .news-row .right-meta{grid-column:1 / -1;text-align:left;display:flex;align-items:center;gap:10px;}
  .news-row .right-meta .tag{margin-bottom:0;}
  .news-lead .body{padding:22px;}
  .case-main .case-body{padding:22px;}
  .price-card{padding:24px 20px;}
  .cta-band{padding:56px 0;}
  .site-footer{padding-top:48px;}
  .footer-about,.footer-contact{max-width:none;}
}
@media (max-width:520px){
  .hero-stats{grid-template-columns:1fr;}
  .brand{font-size:16px;}
  .point-list li{font-size:15px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --ink:#0E1011;
  --ink-2:#2B3033;
  --muted:#6B6862;
  --paper:#F7F5F1;
  --paper-2:#EFEBE3;
  --surface:#FFFFFF;
  --line:#E4DFD5;
  --accent:#0F9D63;
  --accent-ink:#0A6B45;
  --accent-soft:#E7F4EE;
  --amber:#C07A2C;
  --amber-soft:#FBF1E4;
  --on-dark:#F2EFE9;
  --on-dark-2:rgba(242,239,233,.68);
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --r-input:8px;
  --sh-hover:0 10px 30px rgba(14,16,17,.07);
  --sec:96px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  background:var(--paper);
  color:var(--ink-2);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1400px){.container{max-width:1320px}}

.eyebrow{
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);font-weight:600;
}
.sec{padding:var(--sec) 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.sec-title{font-size:clamp(26px,3.4vw,40px);line-height:1.2;color:var(--ink);font-weight:700;letter-spacing:-.01em}
.sec-sub{font-size:15px;color:var(--muted);margin-top:10px;max-width:620px}
.hr-line{height:1px;background:var(--line);border:0;margin:0}

/* ------- header ------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(247,245,241,.94);
  border-bottom-color:var(--line);
  backdrop-filter:blur(8px);
}
.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.nav-side{display:flex;align-items:center;gap:22px}
.nav-link-x{
  position:relative;font-size:14.5px;color:var(--ink-2);
  padding:6px 0;white-space:nowrap;transition:color .2s ease;
}
.nav-link-x::after{
  content:"";position:absolute;left:50%;right:50%;bottom:0;height:1px;
  background:var(--accent);transition:left .2s ease,right .2s ease;
}
.nav-link-x:hover{color:var(--ink)}
.nav-link-x:hover::after{left:0;right:0}
.nav-link-x.active{color:var(--accent-ink);font-weight:600}
.nav-link-x.active::before{
  content:"";position:absolute;left:-11px;top:50%;transform:translateY(-50%);
  width:12px;height:2px;background:var(--accent);border-radius:2px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:17px;font-weight:600;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;
}
.brand .mark{
  width:16px;height:16px;border-radius:5px;background:var(--accent);position:relative;
  box-shadow:inset 0 0 0 1px rgba(14,16,17,.14);
}
.brand .mark::after{
  content:"";position:absolute;left:4px;right:4px;bottom:5px;height:2px;border-radius:2px;
  background:rgba(255,255,255,.85);
}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  background:var(--accent);color:#fff;border:1px solid var(--accent);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-accent:hover{background:var(--accent-ink);border-color:var(--accent-ink);transform:translateY(-1px);color:#fff}
.btn-accent:active{transform:none}
.btn-accent.sm{height:42px;padding:0 18px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  background:transparent;border:1px solid var(--ink);color:var(--ink);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:var(--ink);color:var(--on-dark);transform:translateY(-1px)}
.btn-ghost:active{transform:none}
.btn-ghost.on-dark{border-color:rgba(242,239,233,.4);color:var(--on-dark)}
.btn-ghost.on-dark:hover{background:var(--on-dark);color:var(--ink);border-color:var(--on-dark)}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--accent-ink);font-weight:600;font-size:15px;
  transition:color .2s ease;
}
.link-arrow i{transition:transform .2s ease}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover i{transform:translateX(4px)}

.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:var(--surface);align-items:center;justify-content:center;cursor:pointer;
  color:var(--ink);transition:border-color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:var(--accent);background:var(--accent-soft)}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::after{content:"";position:absolute;left:0;top:6px;width:18px;height:1.5px;background:var(--ink);border-radius:2px}
.mobile-panel{display:none;background:rgba(247,245,241,.98);border-top:1px solid var(--line)}
.mobile-panel.open{display:block}
.mobile-panel a{
  display:flex;align-items:center;height:52px;padding:0 20px;
  border-bottom:1px solid var(--line);font-size:15.5px;color:var(--ink-2);
}
.mobile-panel a.active{color:var(--accent-ink);font-weight:600}
.mobile-panel .mp-cta{padding:16px 20px 22px;border-bottom:0}
.mobile-panel .mp-cta .btn-accent{width:100%}

@media (max-width:991.98px){
  .nav-side{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:66px}
}

/* ------- article hero ------- */
.article-hero{padding:44px 0 40px}
.breadcrumb-x{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:22px;
}
.breadcrumb-x a{color:var(--ink-2);transition:color .2s ease}
.breadcrumb-x a:hover{color:var(--accent)}
.breadcrumb-x .sep{color:#B9B3A8}
.breadcrumb-x .current{max-width:34ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted)}
.article-label{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent-soft);color:var(--accent-ink);
  font-size:12.5px;font-weight:600;padding:6px 14px;border-radius:var(--r-pill);
  margin-bottom:20px;
}
.article-title{
  font-size:clamp(30px,4.2vw,48px);line-height:1.16;letter-spacing:-.02em;
  color:var(--ink);font-weight:700;max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:24px;font-size:13px;color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.article-meta .dot{color:#B9B3A8}
.article-cover{
  margin-top:36px;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);background:var(--surface);aspect-ratio:16/9;
}
.article-cover img{width:100%;height:100%;object-fit:cover}

/* ------- body ------- */
.layout{padding:56px 0 0}
.article-body{
  max-width:740px;font-size:17px;line-height:1.9;color:var(--ink-2);
}
.article-body h2{
  font-size:26px;line-height:1.35;color:var(--ink);font-weight:700;
  margin:40px 0 20px;padding-left:14px;border-left:3px solid var(--accent);
}
.article-body h3{font-size:20px;line-height:1.45;color:var(--ink);font-weight:600;margin:30px 0 14px}
.article-body p{margin:0 0 1.2em}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.4em}
.article-body li{margin:.42em 0;line-height:1.9}
.article-body strong{color:var(--ink);font-weight:600}
.article-body a{color:var(--accent-ink);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--accent)}
.article-body img{width:100%;height:auto;border-radius:var(--r-img);margin:1.4em 0;border:1px solid var(--line)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--paper);
  border-left:3px solid var(--accent);border-radius:0 10px 10px 0;color:var(--ink-2);
}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;line-height:1.7}
.article-body th{background:var(--paper);color:var(--ink);font-weight:600}
.article-body code{background:var(--paper);padding:2px 6px;border-radius:6px;font-size:.92em;color:var(--ink)}
.empty-state{
  border:1px solid var(--line);background:var(--surface);border-radius:var(--r-card);
  padding:44px 28px;text-align:center;max-width:640px;
}
.empty-state .ico{
  width:44px;height:44px;margin:0 auto 16px;border:1px solid var(--line);border-radius:12px;
  display:grid;place-items:center;color:var(--muted);
}
.empty-state h2{font-size:20px;color:var(--ink);font-weight:600;margin-bottom:10px}
.empty-state p{font-size:14px;color:var(--muted);margin-bottom:20px}

/* ------- sidebar ------- */
.side-card{
  border:1px solid var(--line);background:var(--surface);border-radius:var(--r-card);
  padding:24px;margin-bottom:20px;transition:border-color .2s ease,box-shadow .2s ease;
}
.side-card:hover{border-color:var(--accent-soft);box-shadow:var(--sh-hover)}
.side-card h3{font-size:15px;color:var(--ink);font-weight:600;margin-bottom:16px}
.fact-list{list-style:none;margin:0}
.fact-list li{
  display:flex;justify-content:space-between;gap:12px;
  padding:10px 0;border-bottom:1px solid var(--line);font-size:13.5px;line-height:1.6;
}
.fact-list li:last-child{border-bottom:0;padding-bottom:0}
.fact-list .k{color:var(--muted);flex:0 0 auto}
.fact-list .v{color:var(--ink);text-align:right;font-variant-numeric:tabular-nums;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mini-list{list-style:none;margin:0}
.mini-list li+li{margin-top:14px}
.mini-list a{display:block;font-size:14.5px;color:var(--ink-2);line-height:1.6;transition:color .2s ease}
.mini-list a:hover{color:var(--accent-ink)}
.mini-list .mini-meta{display:block;font-size:12.5px;color:var(--muted);margin-top:5px;font-variant-numeric:tabular-nums}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 13px;
  background:var(--accent-soft);color:var(--accent-ink);
  border-radius:var(--r-pill);font-size:12.5px;font-weight:500;
  transition:background .2s ease,color .2s ease;
}
.tag:hover{background:var(--accent);color:#fff}
.tag.warn{background:var(--amber-soft);color:var(--amber)}

/* ------- related ------- */
.card-x{
  display:block;height:100%;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card-x:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--accent-soft)}
.card-x .thumb{aspect-ratio:3/2;overflow:hidden;background:var(--paper-2)}
.card-x .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card-x:hover .thumb img{transform:scale(1.03)}
.card-x .body{padding:24px 24px 26px}
.card-x h3{font-size:18px;line-height:1.45;color:var(--ink);font-weight:600;margin-bottom:10px}
.card-x p{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:16px;font-size:12.5px;color:var(--muted);
  font-variant-numeric:tabular-nums;
}

/* ------- back bar ------- */
.back-bar{
  margin-top:56px;padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
}
.back-bar .txt{font-size:14px;color:var(--muted)}
.back-bar .links{display:flex;flex-wrap:wrap;gap:20px}

/* ------- cta ------- */
.cta-band{background:var(--ink);color:var(--on-dark);padding:88px 0;margin-top:var(--sec)}
.cta-band h2{font-size:clamp(26px,3.2vw,38px);line-height:1.22;color:var(--on-dark);font-weight:700;letter-spacing:-.01em}
.cta-band p{color:var(--on-dark-2);font-size:16px;margin-top:16px;max-width:560px}
.cta-band .cta-actions{margin-top:30px}
.cta-side{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.cta-side span{font-size:13px;color:var(--on-dark-2)}

/* ------- footer ------- */
.site-footer{background:var(--ink);color:var(--on-dark);padding:72px 0 0}
.site-footer .brand{color:var(--on-dark);font-size:17px}
.footer-about{color:var(--on-dark-2);font-size:14px;line-height:1.85;margin:18px 0 22px;max-width:360px}
.footer-contact{font-size:13.5px;color:var(--on-dark-2);line-height:2}
.footer-contact b{color:var(--on-dark);font-weight:600}
.footer-social{display:flex;gap:12px;margin-top:22px}
.footer-social a{
  width:36px;height:36px;display:grid;place-items:center;
  border:1px solid rgba(242,239,233,.18);border-radius:10px;color:var(--on-dark-2);
  transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.footer-social a:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-1px)}
.site-footer h4{font-size:14px;font-weight:600;color:var(--on-dark);margin-bottom:18px;letter-spacing:.02em}
.footer-links{list-style:none;margin:0}
.footer-links li{margin-bottom:12px}
.footer-links a{font-size:14px;color:var(--on-dark-2);transition:color .2s ease}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(242,239,233,.12);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12.5px;color:rgba(242,239,233,.5);
}

/* ------- reveal ------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .35s cubic-bezier(.2,.7,.2,1),transform .35s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

@media (max-width:991.98px){
  :root{--sec:72px}
  .article-body{font-size:16.5px}
  .article-body h2{font-size:22px;margin:34px 0 16px}
  .cta-band{padding:64px 0}
}
@media (max-width:767.98px){
  :root{--sec:48px}
  .container{padding-left:16px;padding-right:16px}
  body{font-size:16px}
  .article-hero{padding:30px 0 28px}
  .article-body{font-size:16px;line-height:1.85}
  .card-x .body{padding:20px}
  .side-card{padding:20px}
  .back-bar{flex-direction:column;align-items:flex-start}
  .cta-band{padding:52px 0}
  .site-footer{padding:52px 0 0}
  .footer-bottom{margin-top:36px}
}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* roulang page: category1 */
:root{
  --ink:#0E1011;
  --ink-2:#2B3033;
  --paper:#F7F5F1;
  --paper-deep:#EFEBE3;
  --surface:#FFFFFF;
  --line:#E4DFD5;
  --accent:#0F9D63;
  --accent-ink:#0A6B45;
  --accent-soft:#E7F4EE;
  --amber:#C07A2C;
  --amber-soft:#F6EEDF;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --radius-input:8px;
  --shadow-hover:0 10px 30px rgba(14,16,17,.07);
  --ease:cubic-bezier(.2,.7,.2,1);
  --sect:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-2);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Inter,"Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--accent-ink)}
img{display:block;max-width:100%}
button{font:inherit;color:inherit}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:1500px){.container{max-width:1320px}}

/* ============ 通用排版组件 ============ */
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent-ink);
  background:var(--accent-soft);
  padding:5px 12px;
  border-radius:999px;
  margin-bottom:20px;
  font-weight:600;
}
.section{padding:var(--sect) 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-ink{background:var(--ink);color:rgba(242,239,233,.68)}
.section-ink h2,.section-ink h3{color:#F2EFE9}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-index{
  display:inline-block;
  font-size:13px;
  font-variant-numeric:tabular-nums;
  letter-spacing:.1em;
  color:var(--amber);
  font-weight:600;
  margin-bottom:14px;
}
.sec-head h2{font-size:clamp(26px,3.4vw,40px);line-height:1.2;margin-bottom:16px}
.sec-lead{font-size:17px;color:var(--ink-2);margin:0}
.sec-head::after{content:"";display:block;width:56px;height:2px;background:var(--ink);margin-top:24px}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* ============ 按钮 ============ */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-ink);color:#fff;transform:translateY(-1px)}
.btn-accent:active{transform:translateY(0)}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#F2EFE9}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--ink);font-size:15px}
.link-arrow i{transition:transform .2s var(--ease)}
.link-arrow:hover i{transform:translateX(4px)}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin:36px 0 0}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.scrolled{
  background:rgba(247,245,241,.94);
  border-bottom-color:var(--line);
  backdrop-filter:blur(8px);
}
.nav-wrap{position:relative;display:flex;align-items:center;height:76px;gap:24px}
.nav-side{display:flex;align-items:center;gap:30px}
.nav-side.left{flex:1 1 0;justify-content:flex-start}
.nav-side.right{flex:1 1 0;justify-content:flex-end}
.brand{
  display:inline-flex;align-items:center;gap:9px;
  flex:0 0 auto;
  font-size:18px;font-weight:600;letter-spacing:-.01em;color:var(--ink);
  white-space:nowrap;
}
.brand:hover{color:var(--ink)}
.brand .mark{
  width:10px;height:10px;border-radius:3px;background:var(--accent);
  display:inline-block;flex:0 0 auto;
}
.nav-link-x{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);
  padding:6px 0;white-space:nowrap;
}
.nav-link-x::after{
  content:"";position:absolute;left:50%;bottom:0;width:0;height:1px;
  background:var(--ink);transform:translateX(-50%);
  transition:width .2s var(--ease),background .2s var(--ease);
}
.nav-link-x:hover{color:var(--ink)}
.nav-link-x:hover::after{width:100%}
.nav-link-x.active{color:var(--accent-ink)}
.nav-link-x.active::after{width:100%;height:2px;background:var(--accent)}
.nav-cta{height:42px;padding:0 20px;font-size:14px}
.nav-toggle{
  display:none;position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:transparent;cursor:pointer;
  flex-direction:column;justify-content:center;align-items:center;gap:6px;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);transition:transform .2s var(--ease)}
.mobile-nav{
  background:var(--paper);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.mobile-nav .m-link{
  display:flex;align-items:center;height:52px;font-size:15px;color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.mobile-nav .m-link.active{color:var(--accent-ink);font-weight:600}
.mobile-nav .m-cta{width:100%;margin:18px 0 22px}

/* ============ Hero ============ */
.hero{padding:64px 0 72px;border-bottom:1px solid var(--line)}
.hero h1{font-size:clamp(34px,5.2vw,58px);line-height:1.08;letter-spacing:-.02em;margin-bottom:22px}
.hero-sub{font-size:clamp(16px,1.6vw,19px);color:var(--ink-2);max-width:560px;line-height:1.7}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#7A756C;margin-bottom:24px}
.crumb a{color:#7A756C}
.crumb a:hover{color:var(--accent-ink)}
.crumb i{font-size:11px}
.hero-figure{
  margin:0;aspect-ratio:16/10;border-radius:var(--radius-img);overflow:hidden;
  border:1px solid var(--line);background:var(--surface);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.stat-bar{
  display:flex;flex-wrap:wrap;gap:32px 48px;
  margin-top:44px;padding-top:24px;border-top:1px solid var(--line);
}
.stat-item{min-width:110px}
.stat-item b{
  display:block;font-size:24px;font-weight:700;color:var(--ink);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.2;
}
.stat-item span{font-size:13px;color:#7A756C}

/* ============ 更新条 ============ */
.ticker{border-bottom:1px solid var(--line);background:var(--paper-deep);padding:14px 0}
.ticker-inner{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.ticker-tag{
  display:inline-flex;align-items:center;gap:6px;flex:0 0 auto;
  font-size:12px;font-weight:600;color:var(--accent-ink);background:var(--accent-soft);
  border-radius:999px;padding:5px 12px;letter-spacing:.04em;
}
.ticker-list{display:flex;gap:34px;font-size:13.5px;color:var(--ink-2);overflow-x:auto;white-space:nowrap;scrollbar-width:none}
.ticker-list::-webkit-scrollbar{display:none}
.ticker-list li{display:flex;align-items:center;gap:8px}
.ticker-list i{color:var(--accent);font-size:13px}

/* ============ 卡片 ============ */
.card-x{
  height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card-x:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--accent-soft)}
.card-num{
  font-size:13px;font-variant-numeric:tabular-nums;font-weight:600;
  color:var(--amber);letter-spacing:.08em;display:block;margin-bottom:14px;
}
.card-x h3{font-size:19px;margin-bottom:12px}
.card-x p{font-size:15.5px;color:var(--ink-2);margin:0}
.card-list{margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.card-list li{
  position:relative;padding-left:18px;font-size:14.5px;color:var(--ink-2);line-height:1.9;
}
.card-list li::before{
  content:"";position:absolute;left:0;top:13px;width:6px;height:1.5px;background:var(--accent);
}

/* ============ 图文区块 ============ */
.img-32{
  margin:0;aspect-ratio:3/2;border-radius:var(--radius-img);overflow:hidden;
  border:1px solid var(--line);background:var(--surface);
}
.img-32 img{width:100%;height:100%;object-fit:cover}
.duo h3{font-size:clamp(21px,2.2vw,26px);line-height:1.3;margin-bottom:16px}
.duo p{color:var(--ink-2)}
.duo .lead-line{
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-ink);
  font-weight:600;margin-bottom:14px;display:block;
}
.check-list{margin-top:22px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 0;border-bottom:1px solid var(--line);font-size:15.5px;
}
.check-list li:first-child{border-top:1px solid var(--line)}
.check-list i{color:var(--accent);font-size:15px;line-height:1.9;flex:0 0 auto}

/* ============ 表格 ============ */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface)}
.table-x{width:100%;min-width:640px;border-collapse:collapse}
.table-x thead th{
  background:var(--ink);color:#F2EFE9;font-size:13.5px;font-weight:600;
  text-align:left;padding:0 24px;height:52px;letter-spacing:.02em;white-space:nowrap;
}
.table-x tbody td{
  padding:16px 24px;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--ink-2);vertical-align:top;
}
.table-x tbody tr:last-child td{border-bottom:0}
.table-x tbody tr{transition:background .18s var(--ease)}
.table-x tbody tr:hover{background:var(--paper)}
.table-x td:first-child{color:var(--ink);font-weight:600}

/* ============ FAQ ============ */
.faq-acc .accordion-item{
  background:transparent;border:0;border-top:1px solid var(--line);
}
.faq-acc .accordion-item:last-child{border-bottom:1px solid var(--line)}
.faq-acc .accordion-header{margin:0}
.faq-acc .accordion-button{
  background:transparent;box-shadow:none;border:0;border-radius:0;
  padding:24px 48px 24px 0;font-size:17px;font-weight:600;color:var(--ink);
  line-height:1.6;
}
.faq-acc .accordion-button:not(.collapsed){background:transparent;color:var(--accent-ink);box-shadow:none}
.faq-acc .accordion-button:focus{box-shadow:none;border:0}
.faq-acc .accordion-button::after{
  content:"+";background-image:none;width:auto;height:auto;
  font-size:20px;line-height:1;color:var(--accent);font-weight:400;
  transform:none;position:absolute;right:8px;top:50%;margin-top:-10px;
  transition:color .2s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";transform:none;color:var(--accent-ink)}
.faq-acc .accordion-body{
  padding:0 48px 26px 0;font-size:15px;line-height:1.8;color:var(--ink-2);
}

/* ============ CTA ============ */
.cta-ink{background:var(--ink);padding:var(--sect) 0}
.cta-ink h2{font-size:clamp(26px,3.4vw,40px);line-height:1.2;color:#F2EFE9;margin-bottom:16px}
.cta-ink p{color:rgba(242,239,233,.68);max-width:520px;font-size:17px;margin-bottom:32px}
.cta-inner{display:flex;align-items:flex-end;justify-content:space-between;gap:48px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(242,239,233,.68);padding:76px 0 0;font-size:14.5px}
.site-footer .brand{color:#F2EFE9;font-size:18px;margin-bottom:18px}
.site-footer .brand:hover{color:#F2EFE9}
.footer-about{font-size:14.5px;line-height:1.85;max-width:340px;color:rgba(242,239,233,.68);margin-bottom:22px}
.footer-contact div{font-size:13.5px;margin-bottom:6px;color:rgba(242,239,233,.68)}
.footer-contact b{color:#F2EFE9;font-weight:600}
.footer-social{display:flex;gap:10px;margin-top:24px}
.footer-social a{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border:1px solid rgba(242,239,233,.2);border-radius:8px;
  color:rgba(242,239,233,.7);font-size:15px;transition:all .2s var(--ease);
}
.footer-social a:hover{border-color:var(--accent);color:var(--accent);background:rgba(15,157,99,.1)}
.site-footer h4{
  color:#F2EFE9;font-size:14px;font-weight:600;letter-spacing:.04em;margin-bottom:18px;
}
.footer-links li{margin-bottom:11px}
.footer-links a{color:rgba(242,239,233,.68);font-size:14px}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;align-items:center;
  margin-top:60px;padding:22px 0 26px;
  border-top:1px solid rgba(242,239,233,.12);
  font-size:13px;color:rgba(242,239,233,.5);
}

/* ============ 滚动入场 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .35s var(--ease),transform .35s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  :root{--sect:72px}
  .nav-side{gap:22px}
  .brand{font-size:17px}
}
@media (max-width:991.98px){
  :root{--sect:72px}
  .nav-side{display:none}
  .nav-toggle{display:flex}
  .nav-wrap{height:64px;justify-content:center}
  .brand{font-size:16px}
  .hero{padding:36px 0 56px}
  .hero-figure{margin-top:8px}
  .stat-bar{gap:24px 32px;margin-top:34px}
  .stat-item{min-width:96px}
  .stat-item b{font-size:21px}
}
@media (max-width:767.98px){
  :root{--sect:48px}
  body{font-size:16px}
  .container{padding:0 16px}
  .hero h1{font-size:clamp(30px,8vw,38px)}
  .hero-actions{gap:14px;margin-top:28px}
  .hero-actions .btn-x{width:100%}
  .section{padding:48px 0}
  .sec-head{margin-bottom:32px}
  .card-x{padding:20px}
  .faq-acc .accordion-button{padding:20px 40px 20px 0;font-size:16px}
  .faq-acc .accordion-body{padding:0 24px 22px 0}
  .cta-inner{align-items:flex-start}
  .cta-ink .btn-x{width:100%}
  .site-footer{padding-top:56px}
  .footer-bottom{margin-top:40px;flex-direction:column;align-items:flex-start}
  .hero-figure{aspect-ratio:16/11}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --ink:#0E1011;
  --ink-2:#2B3033;
  --paper:#F7F5F1;
  --paper-deep:#EFEBE3;
  --surface:#FFFFFF;
  --line:#E4DFD5;
  --accent:#0F9D63;
  --accent-ink:#0A6B45;
  --accent-soft:#E7F4EE;
  --amber:#C07A2C;
  --amber-soft:#FBF0E2;
  --muted:rgba(43,48,51,.62);
  --light:#F2EFE9;
  --light-muted:rgba(242,239,233,.68);
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:8px;
  --shadow-hover:0 10px 30px rgba(14,16,17,.07);
  --ease:cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-2);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Inter,"Space Grotesk",system-ui,sans-serif;
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--accent-ink);text-decoration:none;}
a:hover{color:var(--accent);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.02em;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

.container{max-width:1240px;padding-left:20px;padding-right:20px;}
@media (min-width:1400px){
  .container{max-width:1320px;}
}

/* ---------- 通用排版组件 ---------- */
.section{padding-top:96px;padding-bottom:96px;}
.section--tight{padding-top:0;padding-bottom:96px;}
@media (max-width:991px){
  .section{padding-top:72px;padding-bottom:72px;}
  .section--tight{padding-bottom:72px;}
}
@media (max-width:767px){
  .section{padding-top:48px;padding-bottom:48px;}
  .section--tight{padding-bottom:48px;}
}

.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:40px;
}
.sec-head h2{font-size:clamp(26px,3.4vw,40px);line-height:1.2;}
.sec-head p{margin:0;max-width:430px;font-size:15px;line-height:1.72;color:var(--muted);}
@media (max-width:767px){
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
}

.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.14em;font-weight:600;
  color:var(--accent-ink);background:var(--accent-soft);
  padding:6px 14px;border-radius:999px;line-height:1.4;
}

.tag-x{
  display:inline-block;font-size:12.5px;line-height:1.5;
  background:var(--accent-soft);color:var(--accent-ink);
  padding:5px 12px;border-radius:999px;font-weight:600;
}
.tag-x--amber{background:var(--amber-soft);color:var(--amber);}

.num-mono{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .18s var(--ease);
}
.btn-primary-x{background:var(--accent);color:#fff;}
.btn-primary-x:hover{background:var(--accent-ink);color:#fff;transform:translateY(-1px);}
.btn-primary-x:active{transform:translateY(0);}
.btn-ghost-x{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost-x:hover{background:var(--ink);color:var(--light);}
.btn-sm-x{height:40px;padding:0 18px;font-size:14px;border-radius:9px;}
.btn-link-x{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:600;font-size:15px;color:var(--accent-ink);
  background:none;border:0;padding:0;cursor:pointer;
}
.btn-link-x i{transition:transform .2s var(--ease);}
.btn-link-x:hover i{transform:translateX(4px);}
@media (max-width:767px){
  .btn-x{height:44px;}
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-stuck{
  background:rgba(247,245,241,.94);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom-color:var(--line);
}
.nav-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  min-height:76px;gap:20px;
}
.nav-side{display:flex;align-items:center;gap:28px;}
.nav-side.right{justify-content:flex-end;}
.nav-link-x{
  position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;white-space:nowrap;
  transition:color .2s var(--ease);
}
.nav-link-x::after{
  content:"";position:absolute;left:50%;bottom:0;height:1px;width:0;
  background:var(--ink);transform:translateX(-50%);
  transition:width .2s var(--ease);
}
.nav-link-x:hover{color:var(--ink);}
.nav-link-x:hover::after{width:100%;}
.nav-link-x.active{color:var(--ink);font-weight:600;}
.nav-link-x.active::before{
  content:"";position:absolute;left:-13px;top:50%;width:9px;height:2px;
  background:var(--accent);transform:translateY(-50%);
}
.nav-side.right .nav-link-x.active::before{left:auto;right:-13px;}

.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:17px;font-weight:600;color:var(--ink);letter-spacing:-.01em;white-space:nowrap;
}
.brand:hover{color:var(--ink);}
.brand .mark{
  width:16px;height:16px;border-radius:4px;flex:0 0 auto;
  background:var(--accent);
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.9), inset 0 0 0 4px var(--accent);
}
.brand-center{justify-self:center;}

.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--surface);cursor:pointer;padding:0;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle span+span{margin-top:5px;}
.nav-toggle.is-open span:first-child{transform:translateY(3.5px) rotate(45deg);}
.nav-toggle.is-open span:last-child{transform:translateY(-3.5px) rotate(-45deg);}

.mobile-menu{
  max-height:0;overflow:hidden;background:var(--paper);
  border-bottom:1px solid transparent;
  transition:max-height .3s var(--ease),border-color .3s var(--ease);
}
.mobile-menu.is-open{max-height:520px;border-bottom-color:var(--line);}
.mobile-menu .container{display:flex;flex-direction:column;padding-top:4px;padding-bottom:20px;}
.m-link{
  display:flex;align-items:center;min-height:52px;font-size:16px;color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.m-link.active{color:var(--accent-ink);font-weight:600;}
.mobile-menu .btn-x{margin-top:18px;width:100%;}

@media (max-width:1199px){
  .nav-side{gap:18px;}
  .nav-link-x{font-size:14px;}
}
@media (max-width:991px){
  .nav-inner{grid-template-columns:auto 1fr auto;gap:12px;}
  .nav-side{display:none;}
  .brand-center{justify-self:start;order:2;}
  .nav-toggle{display:inline-flex;order:3;}
  .nav-inner::before{content:"";order:1;width:0;}
}

/* ---------- 窄幅页首 ---------- */
.hero-narrow{padding-top:64px;padding-bottom:0;text-align:center;}
.hero-narrow h1{
  font-size:clamp(34px,5.2vw,58px);line-height:1.08;letter-spacing:-.02em;
  margin:22px 0 18px;
}
.hero-lede{
  max-width:720px;margin:0 auto;font-size:17px;line-height:1.78;color:var(--ink-2);
}
.hero-tag-row{
  display:flex;flex-wrap:wrap;justify-content:center;gap:10px;
  margin-top:32px;padding-top:26px;border-top:1px solid var(--line);
}
@media (max-width:767px){
  .hero-narrow{padding-top:40px;}
  .hero-lede{font-size:16px;}
}

/* ---------- 大图与浮层数据点 ---------- */
.media-wrap{margin-top:44px;}
.media-hero{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);aspect-ratio:16/10;background:var(--paper-deep);
}
.media-hero img{width:100%;height:100%;object-fit:cover;}
.stat-floats{
  position:relative;z-index:2;margin-top:-44px;padding:0 32px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
}
.float-stat{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.float-stat:hover{box-shadow:var(--shadow-hover);border-color:var(--accent-soft);transform:translateY(-2px);}
.float-stat .val{
  font-size:clamp(26px,3vw,34px);font-weight:700;color:var(--ink);
  letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1.1;
}
.float-stat .val small{font-size:15px;font-weight:600;margin-left:4px;color:var(--accent-ink);}
.float-stat .lab{margin-top:8px;font-size:13.5px;line-height:1.6;color:var(--muted);}
@media (max-width:767px){
  .stat-floats{grid-template-columns:1fr;padding:0;margin-top:16px;gap:12px;}
  .media-hero{aspect-ratio:4/3;}
}

/* ---------- 要点网格 2×2 ---------- */
.point-grid{
  display:grid;grid-template-columns:repeat(2,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.point-card{
  padding:34px 30px;position:relative;
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.point-grid .point-card:nth-last-child(-n+2){border-bottom:none;}
.point-card:nth-child(odd){border-right:1px solid var(--line);}
.point-card:hover{background:var(--paper-deep);}
.point-card .idx{
  font-size:13px;letter-spacing:.12em;color:var(--amber);font-weight:600;
  font-variant-numeric:tabular-nums;
}
.point-card h3{font-size:20px;line-height:1.4;margin:12px 0 10px;}
.point-card p{margin:0;font-size:15.5px;line-height:1.78;color:var(--ink-2);}
@media (max-width:767px){
  .point-grid{grid-template-columns:1fr;}
  .point-card{padding:26px 20px;border-right:none!important;}
  .point-grid .point-card:nth-last-child(-n+2){border-bottom:1px solid var(--line);}
  .point-grid .point-card:last-child{border-bottom:none;}
}

/* ---------- 步骤条 ---------- */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.step{
  padding:32px 26px;border-left:1px solid var(--line);position:relative;
  transition:background .2s var(--ease);
}
.step:first-child{border-left:none;}
.step:hover{background:var(--paper-deep);}
.step .step-no{
  font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--accent-ink);
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:19px;margin:14px 0 8px;}
.step p{margin:0;font-size:14.5px;line-height:1.72;color:var(--muted);}
@media (max-width:991px){
  .steps{grid-template-columns:repeat(2,1fr);}
  .step:nth-child(3){border-left:none;}
  .step:nth-child(-n+2){border-bottom:1px solid var(--line);}
}
@media (max-width:575px){
  .steps{grid-template-columns:1fr;}
  .step{border-left:none;border-bottom:1px solid var(--line);padding:24px 20px;}
  .step:last-child{border-bottom:none;}
}

/* ---------- 对比表 ---------- */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
table.compare{width:100%;border-collapse:collapse;min-width:660px;}
table.compare caption{
  caption-side:top;text-align:left;font-size:13.5px;color:var(--muted);
  padding-bottom:14px;
}
table.compare th{
  background:var(--ink);color:var(--light);font-size:14px;font-weight:600;
  text-align:left;padding:16px 20px;letter-spacing:.02em;
}
table.compare th:first-child{border-top-left-radius:var(--r-card);}
table.compare th:last-child{border-top-right-radius:var(--r-card);}
table.compare td{
  padding:18px 20px;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--ink-2);height:52px;
}
table.compare tbody tr{transition:background .2s var(--ease);}
table.compare tbody tr:hover{background:var(--paper-deep);}
table.compare td strong{color:var(--ink);font-weight:600;}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:none;border:0;padding:24px 0;
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  font-size:17px;font-weight:600;color:var(--ink);text-align:left;cursor:pointer;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--accent-ink);}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;line-height:22px;text-align:center;
  font-size:18px;color:var(--accent-ink);font-weight:400;
}
.faq-a{
  display:grid;grid-template-rows:0fr;
  transition:grid-template-rows .28s var(--ease);
}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a > div{overflow:hidden;}
.faq-a p{
  margin:0 0 24px;max-width:840px;font-size:15px;line-height:1.8;color:var(--ink-2);
}

/* ---------- CTA ---------- */
.cta-block{
  background:var(--ink);border-radius:18px;
  padding:56px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
}
.cta-block h2{color:var(--light);font-size:clamp(24px,3vw,36px);line-height:1.22;}
.cta-block p{color:var(--light-muted);margin:14px 0 0;font-size:16px;max-width:560px;}
.cta-actions{display:flex;align-items:center;gap:22px;flex:0 0 auto;}
.cta-actions .btn-link-x{color:var(--light);}
.cta-actions .btn-link-x:hover{color:var(--accent);}
@media (max-width:991px){
  .cta-block{flex-direction:column;align-items:flex-start;padding:40px 28px;gap:26px;}
  .cta-actions{flex-direction:column;align-items:flex-start;gap:16px;width:100%;}
  .cta-actions .btn-x{width:100%;}
}

/* ---------- 相关分类 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.related-card{
  display:block;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;color:inherit;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.related-card:hover{
  transform:translateY(-2px);box-shadow:var(--shadow-hover);
  border-color:var(--accent-soft);color:inherit;
}
.related-card img{width:100%;aspect-ratio:3/2;object-fit:cover;}
.related-body{padding:24px 26px 28px;}
.related-body h3{font-size:19px;margin:12px 0 8px;}
.related-body p{margin:0;font-size:15px;line-height:1.72;color:var(--muted);}
@media (max-width:767px){
  .related-grid{grid-template-columns:1fr;}
  .related-body{padding:20px;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);color:var(--light-muted);
  padding:76px 0 0;margin-top:96px;
}
.site-footer .brand{color:var(--light);font-size:17px;margin-bottom:18px;}
.site-footer .brand:hover{color:var(--light);}
.site-footer h4{
  color:var(--light);font-size:15px;font-weight:600;letter-spacing:.02em;
  margin-bottom:20px;
}
.footer-about{font-size:14.5px;line-height:1.78;color:var(--light-muted);margin:0 0 20px;max-width:340px;}
.footer-contact{font-size:14px;line-height:1.9;color:var(--light-muted);}
.footer-contact b{color:var(--light);font-weight:600;}
.footer-social{display:flex;gap:12px;margin-top:22px;}
.footer-social a{
  width:38px;height:38px;border:1px solid rgba(242,239,233,.2);border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--light-muted);font-size:16px;
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.footer-social a:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-2px);}
.footer-links li{margin-bottom:12px;}
.footer-links a{font-size:14.5px;color:var(--light-muted);transition:color .2s var(--ease);}
.footer-links a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:56px;padding:24px 0;
  border-top:1px solid rgba(242,239,233,.14);
  display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;
  font-size:13px;color:rgba(242,239,233,.55);
}
@media (max-width:767px){
  .site-footer{padding-top:48px;margin-top:48px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* ---------- 入场动效 ---------- */
.reveal{
  opacity:0;transform:translateY(12px);
  transition:opacity .35s var(--ease),transform .35s var(--ease);
}
.reveal.is-in{opacity:1;transform:none;}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    transition-duration:.001ms!important;
  }
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category3 */
:root{
  --ink:#0E1011;
  --ink-2:#2B3033;
  --paper:#F7F5F1;
  --paper-deep:#F1EEE7;
  --surface:#FFFFFF;
  --line:#E4DFD5;
  --accent:#0F9D63;
  --accent-ink:#0A6B45;
  --accent-soft:#E7F4EE;
  --amber:#C07A2C;
  --light:#F2EFE9;
  --light-2:rgba(242,239,233,.68);
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-hover:0 10px 30px rgba(14,16,17,.07);
  --font-sans:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-num:"Inter","SFMono-Regular",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-2);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent-ink);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4{color:var(--ink);font-weight:700;letter-spacing:-.01em;margin:0}
p{margin:0 0 16px}
ul,ol{margin:0;padding:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1400px){.container{max-width:1320px}}
@media (max-width:767px){.container{padding-left:16px;padding-right:16px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease;
}
.site-header.scrolled{
  background:rgba(247,245,241,.94);
  backdrop-filter:blur(10px);
  border-bottom-color:var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:16px;height:76px}
.nav-side{display:flex;align-items:center;gap:24px;flex:1 1 0;min-width:0}
.nav-side.left{justify-content:flex-start}
.nav-side.right{justify-content:flex-end}
.nav-link-x{
  position:relative;
  font-size:15px;color:var(--ink-2);
  padding:6px 0;white-space:nowrap;
}
.nav-link-x::after{
  content:"";position:absolute;left:50%;bottom:0;height:1.5px;width:0;
  background:var(--ink);transform:translateX(-50%);
  transition:width .2s ease;
}
.nav-link-x:hover{color:var(--ink)}
.nav-link-x:hover::after{width:100%}
.nav-link-x.active{color:var(--accent-ink)}
.nav-link-x.active::before{
  content:"";position:absolute;left:50%;bottom:-5px;width:18px;height:2px;
  background:var(--accent);border-radius:2px;transform:translateX(-50%);
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:17px;font-weight:600;letter-spacing:-.01em;
  color:var(--ink);white-space:nowrap;
}
.brand:hover{color:var(--ink)}
.brand .mark{
  width:13px;height:13px;border-radius:4px;
  background:var(--accent);flex:0 0 auto;
  box-shadow:inset 0 0 0 3px var(--accent-soft);
}
.nav-cta{
  display:inline-flex;align-items:center;height:42px;padding:0 18px;
  border-radius:var(--radius-btn);font-size:14.5px;font-weight:600;
  background:var(--accent);color:#fff;
  transition:background .2s ease,transform .2s ease;
}
.nav-cta:hover{background:var(--accent-ink);color:#fff;transform:translateY(-1px)}
.nav-toggle{
  display:none;width:44px;height:44px;flex-direction:column;
  align-items:center;justify-content:center;gap:6px;
  background:transparent;border:1px solid var(--line);border-radius:var(--radius-btn);
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:1.6px;background:var(--ink);transition:transform .2s ease}
.nav-toggle[aria-expanded="true"] span:first-child{transform:translateY(3.8px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:last-child{transform:translateY(-3.8px) rotate(-45deg)}
.mobile-menu{display:none}

/* ---------- 通用区块 ---------- */
.section{padding:0 0 96px}
.section-last{padding-bottom:0}
.eyebrow{
  font-size:12px;letter-spacing:.14em;font-weight:600;
  color:var(--accent-ink);text-transform:uppercase;margin:0 0 14px;
}
.section-head{margin-bottom:36px;max-width:760px}
.section-head h2{font-size:clamp(26px,3.4vw,40px);line-height:1.2;margin-bottom:14px}
.section-head p{font-size:16px;color:var(--ink-2);margin:0}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 按钮 ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-ink);color:#fff;transform:translateY(-1px)}
.btn-accent:active{transform:none}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:var(--light)}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--accent-ink)}
.link-arrow i{transition:transform .2s ease}
.link-arrow:hover i{transform:translateX(4px)}
.btn-row{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-bottom:28px}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(43,48,51,.6);margin-bottom:28px}
.crumb a{color:rgba(43,48,51,.6)}
.crumb a:hover{color:var(--accent-ink)}
.crumb .cur{color:var(--ink)}

/* ---------- 首屏 ---------- */
.page-top{padding:48px 0 96px}
.side-panel{position:sticky;top:104px}
.side-panel h1{
  font-size:clamp(30px,4vw,46px);line-height:1.14;letter-spacing:-.02em;
  margin-bottom:18px;
}
.lead{font-size:17px;line-height:1.75;color:var(--ink-2);margin-bottom:26px}
.check-list{list-style:none;margin-bottom:30px}
.check-list li{
  position:relative;padding:0 0 14px 26px;margin-bottom:14px;
  font-size:15.5px;line-height:1.7;color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.check-list li:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
.check-list li::before{
  content:"";position:absolute;left:0;top:8px;
  width:10px;height:10px;border-radius:3px;
  background:var(--accent-soft);border:1.5px solid var(--accent);
}
.side-meta{
  display:flex;flex-wrap:wrap;gap:12px 28px;
  border-top:1px solid var(--line);padding-top:20px;
}
.side-meta div{display:flex;flex-direction:column;gap:2px}
.side-meta b{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:22px;color:var(--ink);letter-spacing:-.01em;line-height:1.2;
}
.side-meta span{font-size:13px;color:rgba(43,48,51,.66)}

/* ---------- 长内容 ---------- */
.long-content h2{font-size:clamp(24px,2.6vw,32px);line-height:1.25;margin-bottom:18px}
.long-content h3{font-size:20px;line-height:1.4;margin:36px 0 14px;display:flex;align-items:center;gap:12px}
.long-content h3::before{content:"";width:3px;height:18px;background:var(--accent);border-radius:2px;flex:0 0 auto}
.long-content p{font-size:16.5px;line-height:1.86;margin-bottom:18px}
.long-content ul{list-style:none;margin:0 0 22px}
.long-content ul li{
  position:relative;padding:0 0 0 22px;margin-bottom:12px;
  font-size:16px;line-height:1.8;color:var(--ink-2);
}
.long-content ul li::before{
  content:"";position:absolute;left:0;top:12px;width:8px;height:1.5px;
  background:var(--accent);border-radius:2px;
}
.figure-x{
  border:1px solid var(--line);border-radius:var(--radius-img);
  overflow:hidden;margin:26px 0;background:var(--surface);
}
.figure-x img{width:100%;object-fit:cover}
.ratio-16-10 img{aspect-ratio:16/10}
.ratio-3-2 img{aspect-ratio:3/2}
.figure-x figcaption{font-size:13px;color:rgba(43,48,51,.6);padding:12px 16px;border-top:1px solid var(--line)}

/* ---------- 表格 ---------- */
.table-scroll{
  overflow-x:auto;border:1px solid var(--line);
  border-radius:var(--radius-img);background:var(--surface);margin:24px 0 8px;
}
.data-table{width:100%;min-width:660px;border-collapse:collapse;font-size:15px}
.data-table th{
  background:var(--ink);color:var(--light);
  font-size:13px;font-weight:600;letter-spacing:.04em;
  padding:14px 18px;text-align:left;white-space:nowrap;
}
.data-table td{
  padding:16px 18px;border-bottom:1px solid var(--line);
  color:var(--ink-2);line-height:1.7;vertical-align:top;
}
.data-table tbody tr:last-child td{border-bottom:0}
.data-table tbody tr:hover{background:var(--paper)}
.data-table td b{color:var(--ink);font-weight:600}
.table-note{font-size:13px;color:rgba(43,48,51,.6);margin-bottom:0}

/* ---------- 卡片网格 ---------- */
.grid-2x2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.card-x{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:28px;height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card-x:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
  border-color:var(--accent-soft);
}
.card-x .idx{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:13px;letter-spacing:.1em;color:var(--amber);margin-bottom:14px;display:block;
}
.card-x h3{font-size:19px;line-height:1.4;margin-bottom:10px}
.card-x p{font-size:15px;line-height:1.75;color:var(--ink-2);margin:0}
.card-x .tag{
  display:inline-block;margin-top:16px;padding:4px 12px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent-ink);
  font-size:12.5px;font-weight:600;
}

/* ---------- 步骤 ---------- */
.steps{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid var(--line);
}
.step{padding:28px 24px 4px 0}
.step + .step{padding-left:24px;border-left:1px solid var(--line)}
.step .num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:13px;letter-spacing:.12em;color:var(--amber);display:block;margin-bottom:12px;
}
.step h3{font-size:18px;line-height:1.4;margin-bottom:10px}
.step p{font-size:14.5px;line-height:1.72;color:var(--ink-2);margin:0}

/* ---------- 图文交替 ---------- */
.row-tight{gap:0}
.media-text{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:48px;align-items:center}
.media-text.reverse .media-text-body{order:2}
.media-text-body h3{font-size:clamp(21px,2.2vw,26px);line-height:1.35;margin-bottom:14px}
.media-text-body p{font-size:15.5px;line-height:1.8;color:var(--ink-2);margin-bottom:14px}
.mini-list{list-style:none}
.mini-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 0;border-bottom:1px solid var(--line);
  font-size:15px;line-height:1.7;color:var(--ink-2);
}
.mini-list li:last-child{border-bottom:0}
.mini-list i{color:var(--accent);font-size:15px;line-height:1.7;flex:0 0 auto}

/* ---------- FAQ ---------- */
.faq-x .accordion-item{background:transparent;border:0;border-top:1px solid var(--line)}
.faq-x .accordion-item:last-child{border-bottom:1px solid var(--line)}
.faq-x .accordion-button{
  background:transparent;box-shadow:none;color:var(--ink);
  font-size:17px;font-weight:600;line-height:1.5;
  padding:22px 40px 22px 0;border-radius:0;
}
.faq-x .accordion-button:not(.collapsed){color:var(--ink)}
.faq-x .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-x .accordion-button::after{
  content:"";background-image:none;
  background-image:linear-gradient(var(--accent),var(--accent)),linear-gradient(var(--accent),var(--accent));
  background-size:14px 1.6px,1.6px 14px;
  background-position:center;background-repeat:no-repeat;
  width:14px;height:14px;transition:background-size .22s ease;
}
.faq-x .accordion-button:not(.collapsed)::after{background-size:14px 1.6px,1.6px 0}
.faq-x .accordion-body{
  padding:0 60px 24px 0;font-size:15px;line-height:1.82;color:var(--ink-2);
}

/* ---------- 相关分类卡 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.related-card{
  display:flex;gap:20px;align-items:center;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:20px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--accent-soft)}
.related-card .thumb{
  width:120px;flex:0 0 120px;border-radius:var(--radius-img);overflow:hidden;
}
.related-card .thumb img{aspect-ratio:3/2;width:100%;object-fit:cover}
.related-card h3{font-size:18px;margin-bottom:6px;color:var(--ink)}
.related-card p{font-size:14px;line-height:1.7;color:var(--ink-2);margin:0 0 8px}
.related-card .go{font-size:14px;font-weight:600;color:var(--accent-ink);display:inline-flex;align-items:center;gap:6px}
.related-card .go i{transition:transform .2s ease}
.related-card:hover .go i{transform:translateX(4px)}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:var(--light-2);padding:84px 0}
.cta-band h2{color:var(--light);font-size:clamp(26px,3.4vw,40px);line-height:1.2;margin-bottom:14px}
.cta-band p{font-size:16px;line-height:1.8;color:var(--light-2);max-width:620px;margin-bottom:30px}
.cta-band .btn-accent{background:var(--accent);color:#fff}
.cta-band .btn-accent:hover{background:#12b473;color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--light-2);padding:76px 0 0}
.site-footer .brand{color:var(--light);margin-bottom:18px;font-size:18px}
.site-footer .brand:hover{color:var(--light)}
.site-footer h4{
  color:var(--light);font-size:14px;font-weight:600;
  letter-spacing:.06em;margin-bottom:18px;
}
.footer-about{font-size:14.5px;line-height:1.8;color:var(--light-2);margin-bottom:20px;max-width:340px}
.footer-contact{font-size:14px;line-height:1.9;color:var(--light-2);margin-bottom:22px}
.footer-contact b{color:var(--light);font-weight:600}
.footer-social{display:flex;gap:12px}
.footer-social a{
  width:38px;height:38px;border-radius:10px;
  border:1px solid rgba(242,239,233,.2);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--light-2);font-size:15px;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.footer-social a:hover{color:var(--accent);border-color:var(--accent);background:rgba(15,157,99,.1)}
.footer-links{list-style:none}
.footer-links li{margin-bottom:11px}
.footer-links a{font-size:14.5px;color:var(--light-2)}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px 26px;justify-content:space-between;
  border-top:1px solid rgba(242,239,233,.14);
  margin-top:56px;padding:22px 0;font-size:13px;color:rgba(242,239,233,.5);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .35s cubic-bezier(.2,.7,.2,1),transform .35s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1 !important;transform:none !important;transition:none !important}
  html{scroll-behavior:auto}
  *{transition-duration:.01ms !important}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .side-panel h1{font-size:clamp(28px,3.6vw,38px)}
}
@media (max-width:991.98px){
  .nav-side{display:none}
  .nav-toggle{display:flex}
  .nav-wrap{justify-content:space-between}
  .mobile-menu{
    display:none;position:absolute;left:0;right:0;top:76px;
    background:var(--surface);border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);padding:6px 20px 20px;
    box-shadow:0 18px 34px rgba(14,16,17,.08);
  }
  .mobile-menu.open{display:block}
  .mobile-menu a{
    display:flex;align-items:center;height:52px;
    font-size:15.5px;color:var(--ink-2);
    border-bottom:1px solid var(--line);
  }
  .mobile-menu a.active{color:var(--accent-ink);font-weight:600}
  .mobile-menu .mobile-cta{
    margin-top:16px;height:46px;justify-content:center;
    border-bottom:0;background:var(--accent);color:#fff;font-weight:600;border-radius:var(--radius-btn);
  }
  .mobile-menu .mobile-cta:hover{background:var(--accent-ink);color:#fff}
  .side-panel{position:static;margin-bottom:44px}
  .page-top{padding:36px 0 72px}
  .section{padding-bottom:72px}
  .media-text{grid-template-columns:minmax(0,1fr);gap:28px}
  .media-text.reverse .media-text-body{order:0}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step{padding:26px 22px 18px 0}
  .step:nth-child(odd){padding-left:0;border-left:0}
  .step:nth-child(even){padding-left:22px;border-left:1px solid var(--line)}
  .step:nth-child(n+3){border-top:1px solid var(--line)}
  .cta-band{padding:64px 0}
}
@media (max-width:767px){
  .page-top{padding:28px 0 56px}
  .section{padding-bottom:48px}
  .grid-2x2{grid-template-columns:minmax(0,1fr);gap:18px}
  .related-grid{grid-template-columns:minmax(0,1fr);gap:18px}
  .card-x{padding:22px}
  .steps{grid-template-columns:minmax(0,1fr)}
  .step{padding:22px 0 14px 0;border-left:0 !important}
  .step + .step{border-top:1px solid var(--line)}
  .btn-x{height:44px;width:100%}
  .btn-row{gap:14px}
  .btn-row .link-arrow{width:100%}
  .faq-x .accordion-button{font-size:16px;padding:20px 34px 20px 0}
  .faq-x .accordion-body{padding:0 0 22px 0}
  .related-card{flex-direction:column;align-items:flex-start;gap:14px}
  .related-card .thumb{width:100%;flex:0 0 auto}
  .cta-band{padding:56px 0}
  .footer-bottom{margin-top:40px}
}