/* roulang page: index */
:root{
  --ink:#10110E;
  --ink-2:#2A2D26;
  --paper:#F7F6F1;
  --paper-2:#ECEAE0;
  --line:#D9D7CC;
  --lime:#C7F53B;
  --orange:#FF5A36;
  --white:#FFFFFF;
  --muted:#6B6F65;
  --r-xs:4px;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:14px;
  --r-pill:999px;
  --sh-1:0 1px 0 rgba(0,0,0,.04);
  --sh-2:0 12px 30px rgba(0,0,0,.08);
  --shell:248px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --maxw:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.14;letter-spacing:-.02em;font-weight:800;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px;border-radius:var(--r-xs);}
::selection{background:var(--lime);color:var(--ink);}

/* ---------- 左侧 App Shell ---------- */
.shell{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--shell);
  background:var(--paper);
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  padding:26px 20px 22px;
  z-index:70;
  transition:transform .32s var(--ease);
}
.brand{display:flex;align-items:center;gap:10px;padding:0 6px 22px;}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:var(--r-sm);
  background:var(--ink);color:var(--lime);
  display:grid;place-items:center;
  font-weight:900;font-size:15px;letter-spacing:-.04em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text b{font-size:17px;font-weight:900;letter-spacing:-.02em;}
.brand-text span{font-size:12px;color:var(--muted);letter-spacing:.04em;}
.shell-label{
  font-size:11px;letter-spacing:.16em;color:var(--muted);
  padding:12px 8px 8px;text-transform:uppercase;
}
.nav-list{display:flex;flex-direction:column;gap:2px;}
.nav-list a{
  position:relative;
  display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:var(--r-sm);
  font-size:15px;font-weight:500;color:var(--ink-2);
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.nav-list a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
  width:3px;height:20px;border-radius:2px;background:var(--lime);
  transition:transform .22s var(--ease);
}
.nav-list a:hover{background:var(--paper-2);transform:translateX(2px);}
.nav-list a.is-active{background:var(--white);color:var(--ink);font-weight:700;box-shadow:var(--sh-1);}
.nav-list a.is-active::before{transform:translateY(-50%) scaleY(1);}
.nav-dot{width:6px;height:6px;border-radius:50%;background:var(--line);flex:0 0 6px;}
.nav-list a.is-active .nav-dot{background:var(--orange);}
.shell-quick{margin-top:22px;padding-top:16px;border-top:1px dashed var(--line);}
.quick-list{display:flex;flex-wrap:wrap;gap:6px;padding:0 6px;}
.quick-list a{
  font-size:12.5px;color:var(--muted);
  border:1px solid var(--line);border-radius:var(--r-pill);
  padding:5px 11px;transition:all .2s var(--ease);
}
.quick-list a:hover{border-color:var(--ink);color:var(--ink);background:var(--white);}
.shell-foot{margin-top:auto;padding:16px 6px 0;border-top:1px solid var(--line);}
.shell-foot p{font-size:12.5px;color:var(--muted);line-height:1.6;margin-bottom:10px;}
.btn-block{display:block;text-align:center;}

/* ---------- 移动端顶栏与抽屉 ---------- */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:58px;z-index:80;
  background:rgba(247,246,241,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;
  padding:0 16px;
}
.topbar .brand{padding:0;gap:8px;}
.topbar .brand-text span{display:none;}
.menu-btn{
  width:42px;height:42px;border:1px solid var(--line);background:var(--white);
  border-radius:var(--r-sm);display:grid;place-items:center;cursor:pointer;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.menu-btn:hover{background:var(--lime);border-color:var(--lime);}
.menu-btn span{display:block;width:17px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.menu-btn span::before,.menu-btn span::after{
  content:"";position:absolute;left:0;width:17px;height:2px;background:var(--ink);border-radius:2px;
}
.menu-btn span::before{top:-6px;}
.menu-btn span::after{top:6px;}
.overlay{
  display:none;position:fixed;inset:0;background:rgba(16,17,14,.45);z-index:65;
  opacity:0;transition:opacity .28s var(--ease);
}
.overlay.is-open{display:block;opacity:1;}

/* ---------- 主内容 ---------- */
.page{margin-left:var(--shell);min-height:100vh;overflow-x:hidden;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 40px;}
.anchorbar{
  position:sticky;top:0;z-index:50;
  background:rgba(247,246,241,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.anchorbar-inner{
  display:flex;align-items:center;gap:6px;
  padding:10px 40px;max-width:var(--maxw);margin:0 auto;
  overflow-x:auto;scrollbar-width:none;
}
.anchorbar-inner::-webkit-scrollbar{display:none;}
.anchorbar-inner a{
  flex:0 0 auto;
  font-size:13.5px;color:var(--muted);
  padding:6px 13px;border-radius:var(--r-pill);
  transition:all .2s var(--ease);white-space:nowrap;
}
.anchorbar-inner a:hover{background:var(--paper-2);color:var(--ink);}
.anchorbar-inner a.is-active{background:var(--ink);color:var(--lime);font-weight:700;}

section{scroll-margin-top:74px;}
.section{padding:118px 0;}
.section--tight{padding:88px 0;}
.section--dark{background:var(--ink);color:var(--paper);}
.section--paper2{background:var(--paper-2);}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.18em;color:var(--muted);
  text-transform:uppercase;margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--orange);display:block;}
.section--dark .eyebrow{color:#9EA396;}
.h2{font-size:clamp(28px,4vw,46px);font-weight:900;max-width:22ch;}
.h2--wide{max-width:30ch;}
.lead{font-size:17px;color:var(--muted);max-width:64ch;margin-top:18px;line-height:1.8;}
.section--dark .lead{color:#B9BEB1;}
.section-head{margin-bottom:56px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn-primary{background:var(--ink);color:var(--lime);}
.btn-primary:hover{background:var(--lime);color:var(--ink);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--white);}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{background:var(--white);color:var(--ink);transform:translateY(-2px);}
.btn-outline-light{background:transparent;color:var(--paper);border-color:rgba(247,246,241,.32);}
.btn-outline-light:hover{background:var(--paper);color:var(--ink);}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;}
.btn-link{
  display:inline-flex;align-items:center;gap:7px;font-weight:700;font-size:15px;
  color:var(--ink);padding-bottom:2px;border-bottom:1.5px solid var(--ink);
  transition:color .2s var(--ease),border-color .2s var(--ease),gap .2s var(--ease);
}
.btn-link:hover{color:var(--orange);border-color:var(--orange);gap:11px;}
.btn-arrow{font-size:15px;line-height:1;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:min(88vh,780px);
  display:flex;align-items:center;
  overflow:hidden;color:var(--paper);
  background:#0C0D0B;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center 30%;
  opacity:.5;
  transform:scale(1.04);
}
.hero-shade{
  position:absolute;inset:0;
  background:
    radial-gradient(120% 90% at 12% 20%, rgba(12,13,11,.92) 0%, rgba(12,13,11,.55) 48%, rgba(12,13,11,.86) 100%),
    linear-gradient(90deg, rgba(12,13,11,.95) 0%, rgba(12,13,11,.35) 70%);
}
.hero-track{
  position:absolute;left:0;right:0;bottom:78px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(199,245,59,.55) 20%,rgba(255,90,54,.5) 78%,transparent);
}
.hero-inner{position:relative;z-index:2;width:100%;padding:132px 0 108px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:9px;
  border:1px solid rgba(199,245,59,.4);border-radius:var(--r-pill);
  padding:6px 15px;font-size:12.5px;letter-spacing:.12em;color:var(--lime);
  background:rgba(199,245,59,.06);margin-bottom:26px;
}
.hero h1{
  font-size:clamp(38px,5.6vw,80px);
  font-weight:900;letter-spacing:-.03em;
  max-width:17ch;text-wrap:balance;
}
.hero h1 em{font-style:normal;color:var(--lime);}
.hero-sub{
  margin-top:26px;font-size:clamp(16px,1.5vw,19px);
  color:rgba(247,246,241,.78);max-width:56ch;line-height:1.8;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:0;margin-top:66px;max-width:760px;
  border-top:1px solid rgba(247,246,241,.18);
}
.hero-stats div{
  padding:22px 26px 0 0;
  border-right:1px solid rgba(247,246,241,.14);
}
.hero-stats div:last-child{border-right:0;}
.stat-num{
  font-family:"DIN Alternate","Barlow Condensed",Inter,sans-serif;
  font-size:clamp(28px,3.4vw,42px);font-weight:900;color:var(--lime);
  letter-spacing:-.02em;line-height:1;
}
.stat-label{font-size:13px;color:rgba(247,246,241,.62);margin-top:9px;letter-spacing:.04em;}

/* ---------- 卖点交错行 ---------- */
.value-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:54px 0;border-top:1px solid var(--line);
}
.value-row:last-child{border-bottom:1px solid var(--line);}
.value-row--rev .value-media{order:-1;}
.value-index{
  font-family:"DIN Alternate","Barlow Condensed",Inter,sans-serif;
  font-size:clamp(40px,5vw,62px);font-weight:900;line-height:1;
  color:var(--paper-2);letter-spacing:-.04em;
  -webkit-text-stroke:1px var(--line);
}
.value-copy h3{font-size:clamp(21px,2.2vw,27px);margin:14px 0 14px;font-weight:900;}
.value-copy p{color:var(--muted);max-width:52ch;}
.value-points{margin-top:20px;display:flex;flex-direction:column;gap:9px;}
.value-points li{
  display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-2);
}
.value-points li::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--orange);
  flex:0 0 7px;margin-top:9px;
}
.value-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);}
.value-media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .6s var(--ease);}
.value-media:hover img{transform:scale(1.04);}
.value-badge{
  position:absolute;left:16px;bottom:16px;
  background:rgba(16,17,14,.86);color:var(--paper);
  font-size:12.5px;border-radius:var(--r-pill);padding:6px 14px;
  backdrop-filter:blur(6px);
}

/* ---------- 演示 ---------- */
.demo-frame{
  border:1px solid rgba(247,246,241,.16);
  border-radius:var(--r-lg);
  background:rgba(247,246,241,.03);
  padding:14px;
}
.demo-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.demo-tabs button{
  background:transparent;border:1px solid rgba(247,246,241,.2);
  color:rgba(247,246,241,.68);border-radius:var(--r-pill);
  padding:8px 17px;font-size:13.5px;cursor:pointer;
  transition:all .2s var(--ease);
}
.demo-tabs button:hover{border-color:var(--lime);color:var(--lime);}
.demo-tabs button.is-active{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:700;}
.demo-stage{position:relative;border-radius:var(--r-md);overflow:hidden;background:#000;}
.demo-stage img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.72;}
.demo-stage-cap{
  position:absolute;left:0;right:0;bottom:0;
  padding:22px 24px;color:var(--paper);
  background:linear-gradient(180deg,transparent,rgba(12,13,11,.92));
}
.demo-stage-cap strong{display:block;font-size:19px;font-weight:800;margin-bottom:6px;}
.demo-stage-cap span{font-size:14px;color:rgba(247,246,241,.72);}
.demo-panels{margin-top:22px;border-top:1px solid rgba(247,246,241,.14);padding-top:20px;}
.demo-panel{display:none;grid-template-columns:repeat(3,1fr);gap:22px;}
.demo-panel.is-active{display:grid;}
.demo-panel div{font-size:14.5px;color:#B9BEB1;}
.demo-panel strong{display:block;color:var(--paper);font-size:16px;margin-bottom:7px;font-weight:800;}

/* ---------- 证据 ---------- */
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line);}
.proof-cell{
  border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:32px 28px;background:var(--white);
}
.proof-cell .stat-num{color:var(--ink);}
.proof-cell .stat-label{color:var(--muted);}
.proof-body{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;margin-top:56px;align-items:start;}
.case-list{display:flex;flex-direction:column;gap:16px;}
.case-item{
  display:grid;grid-template-columns:96px 1fr;gap:18px;align-items:center;
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--white);padding:14px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.case-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--lime);}
.case-item img{width:96px;aspect-ratio:1/1;object-fit:cover;border-radius:var(--r-sm);}
.case-item h3{font-size:16.5px;font-weight:800;margin-bottom:6px;}
.case-item p{font-size:14px;color:var(--muted);}
.partner-box{border:1px solid var(--line);border-radius:var(--r-md);background:var(--white);padding:28px;}
.partner-box h3{font-size:17px;margin-bottom:18px;font-weight:800;}
.partner-logos{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;}
.partner-logos span{
  font-size:13.5px;color:var(--muted);border:1px dashed var(--line);
  border-radius:var(--r-sm);padding:11px 12px;text-align:center;
  filter:grayscale(1);transition:all .25s var(--ease);
}
.partner-logos span:hover{filter:none;color:var(--ink);border-color:var(--ink);border-style:solid;}

/* ---------- 价格 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.price-card{
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--white);padding:32px 30px 34px;
  display:flex;flex-direction:column;min-height:100%;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.price-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.price-card--hot{background:var(--ink);color:var(--paper);border-color:var(--ink);position:relative;}
.price-card--hot .price-desc,.price-card--hot .price-feats li{color:#B9BEB1;}
.price-flag{
  position:absolute;top:-13px;left:30px;
  background:var(--lime);color:var(--ink);
  font-size:12px;font-weight:800;letter-spacing:.06em;
  padding:5px 13px;border-radius:var(--r-pill);
}
.price-name{font-size:15px;font-weight:700;letter-spacing:.08em;color:var(--muted);}
.price-card--hot .price-name{color:var(--lime);}
.price-amount{
  font-family:"DIN Alternate","Barlow Condensed",Inter,sans-serif;
  font-size:40px;font-weight:900;letter-spacing:-.03em;margin:16px 0 8px;
}
.price-amount small{font-size:14px;font-weight:500;color:var(--muted);margin-left:6px;letter-spacing:0;}
.price-card--hot .price-amount small{color:#9EA396;}
.price-desc{font-size:14.5px;color:var(--muted);min-height:52px;}
.price-feats{margin:24px 0 30px;display:flex;flex-direction:column;gap:11px;}
.price-feats li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);}
.price-feats li::before{content:"✓";color:var(--orange);font-weight:900;}
.price-card .btn{margin-top:auto;width:100%;}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:300px 1fr;gap:56px;align-items:start;}
.faq-index{border-left:1px solid var(--line);padding-left:24px;position:sticky;top:96px;}
.faq-index p{font-size:14px;color:var(--muted);line-height:1.8;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:transparent;border:0;cursor:pointer;
  display:flex;align-items:flex-start;gap:16px;
  padding:22px 0;text-align:left;
}
.faq-q .faq-no{
  font-family:"DIN Alternate","Barlow Condensed",Inter,sans-serif;
  font-size:15px;font-weight:800;color:var(--muted);flex:0 0 34px;padding-top:3px;
  transition:color .22s var(--ease);
}
.faq-q .faq-text{font-size:17px;font-weight:600;line-height:1.55;flex:1;}
.faq-q .faq-sign{
  flex:0 0 22px;height:22px;position:relative;margin-top:3px;
}
.faq-q .faq-sign::before,.faq-q .faq-sign::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;
  transition:transform .24s var(--ease),background .22s var(--ease);
}
.faq-q .faq-sign::before{left:0;top:10px;width:20px;height:2px;}
.faq-q .faq-sign::after{left:9px;top:1px;width:2px;height:20px;}
.faq-item.is-open .faq-q .faq-no{color:var(--lime);}
.faq-item.is-open .faq-q .faq-sign::before{background:var(--orange);}
.faq-item.is-open .faq-q .faq-sign::after{transform:scaleY(0);background:var(--orange);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .24s var(--ease),opacity .24s var(--ease);
  opacity:0;
}
.faq-item.is-open .faq-a{opacity:1;}
.faq-a p{
  padding:0 0 24px 50px;color:var(--muted);font-size:15.5px;line-height:1.85;max-width:72ch;
}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{
  display:flex;flex-direction:column;
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--white);padding:26px 24px 24px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--lime);}
.news-card--lead{grid-column:span 2;}
.news-meta{
  display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);margin-bottom:14px;
}
.tag{
  display:inline-flex;align-items:center;
  background:var(--paper-2);color:var(--ink-2);
  border-radius:var(--r-pill);padding:4px 11px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.news-card h3{font-size:19px;font-weight:800;line-height:1.4;margin-bottom:12px;}
.news-card--lead h3{font-size:24px;}
.news-card p{font-size:14.5px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-more{
  margin-top:auto;padding-top:18px;font-size:14px;font-weight:700;color:var(--ink);
  display:inline-flex;align-items:center;gap:7px;
}
.news-card:hover .news-more{color:var(--orange);gap:11px;}
.empty-state{
  grid-column:1/-1;border:1px dashed var(--line);border-radius:var(--r-md);
  background:var(--white);padding:52px 28px;text-align:center;
}
.empty-state strong{display:block;font-size:17px;margin-bottom:8px;}
.empty-state span{font-size:14.5px;color:var(--muted);}
.skeleton{background:linear-gradient(90deg,var(--paper-2) 25%,#F2F1EA 37%,var(--paper-2) 63%);
  background-size:400% 100%;animation:sk 1.4s ease infinite;border-radius:var(--r-sm);}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* ---------- 最终 CTA + 表单 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.form-card{
  border:1px solid rgba(247,246,241,.16);border-radius:var(--r-lg);
  background:rgba(247,246,241,.04);padding:32px;
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;color:#B9BEB1;margin-bottom:8px;letter-spacing:.03em;}
.field input,.field select,.field textarea{
  width:100%;background:rgba(247,246,241,.06);
  border:1px solid rgba(247,246,241,.2);border-radius:var(--r-sm);
  padding:12px 14px;color:var(--paper);font-size:15px;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.field textarea{min-height:112px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--lime);background:rgba(199,245,59,.07);
}
.field input::placeholder,.field textarea::placeholder{color:#7D8276;}
.field select option{background:var(--ink);color:var(--paper);}
.form-note{font-size:12.5px;color:#8B9084;margin-top:14px;}
.form-msg{margin-top:16px;font-size:14px;display:none;}
.form-msg.is-ok{display:block;color:var(--lime);}
.form-msg.is-err{display:block;color:var(--orange);}
.contact-points{display:flex;flex-direction:column;gap:22px;margin-top:34px;}
.contact-points div{border-left:2px solid var(--lime);padding-left:18px;}
.contact-points strong{display:block;font-size:15.5px;margin-bottom:5px;}
.contact-points span{font-size:14px;color:#B9BEB1;}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:60;
  display:inline-flex;align-items:center;gap:10px;
  background:var(--ink);color:var(--lime);
  border-radius:var(--r-pill);padding:14px 24px;
  font-size:15px;font-weight:800;box-shadow:var(--sh-2);
  opacity:0;transform:translateY(16px) scale(1);
  pointer-events:none;
  transition:opacity .3s var(--ease),transform .3s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.float-cta.is-show{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{background:var(--lime);color:var(--ink);}
.float-cta.is-shrink{padding:11px 19px;font-size:14px;}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--ink);color:var(--paper);padding:76px 0 34px;}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px;border-bottom:1px solid rgba(247,246,241,.14);}
.foot-brand b{font-size:20px;font-weight:900;display:block;margin-bottom:14px;}
.foot-brand p{font-size:14px;color:#B9BEB1;line-height:1.85;max-width:36ch;}
.foot-col h4{font-size:13px;letter-spacing:.16em;color:#8B9084;font-weight:700;margin-bottom:18px;}
.foot-col a{display:block;font-size:14.5px;color:#D5D9CC;padding:5px 0;transition:color .2s var(--ease),transform .2s var(--ease);}
.foot-col a:hover{color:var(--lime);transform:translateX(3px);}
.foot-bottom{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;padding-top:26px;font-size:13px;color:#8B9084;}
.foot-bottom a{color:#B9BEB1;}
.foot-bottom a:hover{color:var(--lime);}

/* ---------- 滚动显隐 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .container{padding:0 28px;}
  .anchorbar-inner{padding:10px 28px;}
  .proof-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .news-card--lead{grid-column:span 2;}
  .price-grid{gap:18px;}
}
@media (max-width:1024px){
  .topbar{display:flex;}
  .shell{
    transform:translateX(-100%);
    box-shadow:0 0 40px rgba(0,0,0,.18);
    top:0;height:100vh;overflow-y:auto;
  }
  .shell.is-open{transform:translateX(0);}
  .page{margin-left:0;padding-top:58px;}
  .anchorbar{top:58px;}
  section{scroll-margin-top:112px;}
  .section{padding:88px 0;}
  .section--tight{padding:66px 0;}
  .value-row{grid-template-columns:1fr;gap:26px;padding:42px 0;}
  .value-row--rev .value-media{order:0;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .faq-index{position:static;border-left:0;border-top:2px solid var(--lime);padding-left:0;padding-top:18px;}
  .proof-body{grid-template-columns:1fr;gap:32px;}
  .contact-grid{grid-template-columns:1fr;gap:36px;}
  .price-grid{grid-template-columns:1fr;}
  .price-card--hot{order:-1;}
  .foot-top{grid-template-columns:1fr 1fr;gap:32px;}
  .demo-panel.is-active{grid-template-columns:1fr;gap:14px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .anchorbar-inner{padding:9px 18px;}
  .hero-inner{padding:82px 0 70px;}
  .hero-stats{grid-template-columns:1fr;gap:0;max-width:100%;}
  .hero-stats div{border-right:0;border-bottom:1px solid rgba(247,246,241,.14);padding:16px 0;}
  .hero-stats div:last-child{border-bottom:0;}
  .news-grid{grid-template-columns:1fr;}
  .news-card--lead{grid-column:span 1;}
  .proof-grid{grid-template-columns:1fr;}
  .case-item{grid-template-columns:72px 1fr;}
  .case-item img{width:72px;}
  .faq-a p{padding-left:0;}
  .foot-top{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .section{padding:64px 0;}
  .h2{font-size:26px;}
  .hero-actions .btn{width:100%;}
  .float-cta{
    right:12px;left:12px;bottom:12px;justify-content:center;
    border-radius:var(--r-md);padding:14px 18px;
  }
  .float-cta.is-shrink{padding:12px 16px;}
  .form-card{padding:22px;}
  .partner-logos{grid-template-columns:1fr;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --ink:#10110E;
  --ink-2:#2A2D26;
  --paper:#F7F6F1;
  --paper-2:#ECEAE0;
  --line:#D9D7CC;
  --lime:#C7F53B;
  --orange:#FF5A36;
  --white:#FFFFFF;
  --muted:#6B6F65;
  --r-sm:4px;
  --r:8px;
  --r-lg:14px;
  --shadow-1:0 1px 0 rgba(0,0,0,.04);
  --shadow-2:0 12px 30px rgba(0,0,0,.08);
  --maxw:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","Inter",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:-.02em;font-weight:800;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
input,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}
.container{width:min(100% - 48px, var(--maxw));margin-inline:auto;}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);}

/* ============ 顶部导航 ============ */
.topbar{
  position:sticky;top:0;z-index:80;
  background:rgba(247,246,241,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.topbar-inner{
  width:min(100% - 40px, var(--maxw));
  margin-inline:auto;
  height:70px;
  display:flex;
  align-items:center;
  gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:9px;
  background:var(--ink);color:var(--lime);
  display:grid;place-items:center;
  font-family:"Inter",sans-serif;font-weight:800;font-size:13px;letter-spacing:.06em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:16.5px;font-weight:900;letter-spacing:-.01em;}
.brand-text span{font-size:11.5px;color:var(--muted);letter-spacing:.08em;text-transform:uppercase;}
.topnav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 13px;
  border-radius:var(--r-sm);
  font-size:14.5px;
  color:var(--ink-2);
  white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-link:hover{background:var(--paper-2);color:var(--ink);}
.nav-link.active{color:var(--ink);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  background:var(--lime);border-radius:2px;
}
.topbar-side{display:flex;align-items:center;gap:12px;flex-shrink:0;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;
  padding:12px 22px;
  font-size:14.5px;font-weight:700;
  border:1px solid transparent;
  transition:all .2s var(--ease);
  white-space:nowrap;
}
.btn-dark{background:var(--ink);color:var(--lime);border-color:var(--ink);}
.btn-dark:hover{background:var(--lime);color:var(--ink);border-color:var(--lime);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--white);}
.btn-line{background:transparent;color:var(--white);border-color:rgba(255,255,255,.5);}
.btn-line:hover{background:var(--white);color:var(--ink);border-color:var(--white);}
.btn-sm{padding:9px 16px;font-size:13.5px;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

.menu-btn{
  display:none;
  width:42px;height:42px;border-radius:10px;
  background:transparent;border:1px solid var(--line);
  position:relative;
}
.menu-btn span,
.menu-btn span::before,
.menu-btn span::after{
  position:absolute;left:50%;transform:translateX(-50%);
  width:18px;height:2px;background:var(--ink);border-radius:2px;content:"";
  transition:transform .25s var(--ease);
}
.menu-btn span{top:50%;margin-top:-1px;}
.menu-btn span::before{top:-6px;}
.menu-btn span::after{top:6px;}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,17,14,.5);
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s;z-index:90;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:290px;max-width:84vw;
  background:var(--white);border-right:1px solid var(--line);
  transform:translateX(-102%);transition:transform .28s var(--ease);
  z-index:100;display:flex;flex-direction:column;padding:20px;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-head b{font-size:16px;font-weight:900;}
.drawer-close{
  width:36px;height:36px;border-radius:9px;border:1px solid var(--line);
  background:var(--paper);font-size:18px;line-height:1;display:grid;place-items:center;
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;padding-top:16px;}
.drawer-nav a{
  padding:12px 14px;border-radius:var(--r);
  font-size:15px;color:var(--ink-2);
  border-left:3px solid transparent;
}
.drawer-nav a:hover{background:var(--paper-2);}
.drawer-nav a.active{background:var(--paper-2);border-left-color:var(--lime);color:var(--ink);font-weight:700;}
.drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);display:flex;flex-direction:column;gap:6px;}

/* ============ 页头 Banner ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  color:var(--white);
  padding:52px 0 76px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,17,14,.90) 0%,rgba(16,17,14,.76) 55%,rgba(16,17,14,.88) 100%);
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-60px;width:520px;height:520px;
  border:1px solid rgba(199,245,59,.22);border-radius:50%;
  transform:rotate(-14deg);
}
.page-hero .container{position:relative;z-index:2;}
.crumbs{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.62);margin-bottom:26px;
}
.crumbs a{color:rgba(255,255,255,.82);border-bottom:1px solid rgba(255,255,255,.24);padding-bottom:1px;}
.crumbs a:hover{color:var(--lime);border-color:var(--lime);}
.crumbs .cur{color:rgba(255,255,255,.6);max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.crumbs span.sep{opacity:.5;}
.tag-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:20px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.22);
  color:rgba(255,255,255,.9);
}
.tag-lime{background:var(--lime);border-color:var(--lime);color:var(--ink);}
.tag-orange{background:transparent;border-color:var(--orange);color:#FFB6A5;}
.page-hero h1{
  font-size:clamp(28px,4vw,50px);
  line-height:1.16;
  max-width:22ch;
  font-weight:900;
  letter-spacing:-.02em;
}
.page-hero .lead{
  margin-top:20px;max-width:62ch;
  font-size:clamp(15px,1.4vw,17px);
  line-height:1.85;
  color:rgba(255,255,255,.78);
}
.meta-bar{
  margin-top:32px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.16);
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.72);
}
.meta-bar .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.4);}
.meta-bar b{color:var(--white);font-weight:700;}
.runway{display:flex;gap:6px;margin-left:auto;}
.runway i{display:block;width:26px;height:3px;border-radius:2px;background:rgba(255,255,255,.22);}
.runway i.on{background:var(--lime);}

/* ============ 页内快捷导航 ============ */
.quicknav{padding:0;margin-top:-30px;position:relative;z-index:5;}
.quicknav-inner{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-2);
  padding:14px 20px;
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
}
.quicknav-inner .q-label{font-size:12.5px;font-weight:800;color:var(--muted);letter-spacing:.1em;margin-right:6px;}
.quicknav-inner a{
  font-size:14px;padding:8px 14px;border-radius:999px;color:var(--ink-2);
  border:1px solid transparent;transition:all .2s var(--ease);
}
.quicknav-inner a:hover{background:var(--paper-2);border-color:var(--line);color:var(--ink);}

/* ============ 阅读布局 ============ */
.read-wrap{padding:64px 0 40px;}
.read-layout{
  display:grid;
  grid-template-columns:minmax(0,820px) 244px;
  gap:56px;
  justify-content:center;
  align-items:start;
}
.article-body{font-size:17px;color:#22251F;}
.article-body > *:first-child{margin-top:0;}
.article-body p{line-height:1.9;margin:0 0 22px;}
.article-body h2{
  position:relative;
  font-size:clamp(21px,2.4vw,27px);
  line-height:1.35;
  margin:46px 0 16px;
  padding-left:18px;
  font-weight:800;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:2px;background:var(--lime);
}
.article-body h3{font-size:19.5px;margin:34px 0 12px;line-height:1.4;}
.article-body h4{font-size:17px;margin:26px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:24px;list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:9px 0;line-height:1.85;}
.article-body li::marker{color:var(--ink);font-weight:700;}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  border-left:4px solid var(--lime);
  background:var(--paper-2);
  border-radius:0 var(--r) var(--r) 0;
  color:var(--ink-2);font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-lg);margin:26px 0;width:100%;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);margin-top:10px;text-align:center;}
.article-body a{color:var(--ink);font-weight:500;border-bottom:2px solid var(--lime);transition:background .2s var(--ease);}
.article-body a:hover{background:rgba(199,245,59,.35);}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top;}
.article-body th{background:var(--paper-2);font-weight:700;}
.article-body tr:nth-child(even) td{background:rgba(236,234,224,.4);}
.article-body code{background:var(--paper-2);padding:2px 7px;border-radius:var(--r-sm);font-size:.92em;}
.article-body pre{
  background:var(--ink);color:#E9EBDD;padding:20px;border-radius:var(--r-lg);
  overflow-x:auto;font-size:14px;line-height:1.7;margin:26px 0;
}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:38px 0;}

/* 侧栏目录 */
.side{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px;}
.toc{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px 16px;box-shadow:var(--shadow-1);
}
.toc h4{font-size:12.5px;letter-spacing:.12em;color:var(--muted);font-weight:800;margin-bottom:12px;}
.toc ul{display:flex;flex-direction:column;gap:2px;}
.toc a{
  display:block;font-size:13.5px;line-height:1.6;color:var(--ink-2);
  padding:7px 10px;border-radius:var(--r-sm);border-left:2px solid transparent;
  transition:all .2s var(--ease);
  overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.toc a:hover{background:var(--paper-2);}
.toc a.active{background:var(--paper-2);border-left-color:var(--lime);color:var(--ink);font-weight:700;}
.side-card{
  background:var(--ink);color:var(--white);border-radius:var(--r-lg);padding:20px 18px;
}
.side-card b{display:block;font-size:15px;margin-bottom:8px;}
.side-card p{font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.7);margin-bottom:14px;}
.side-card .btn{width:100%;padding:10px 16px;font-size:13.5px;}

/* 空态 */
.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--r-lg);
  background:var(--white);
  padding:56px 28px;
  text-align:center;
}
.empty-state .es-ico{
  width:52px;height:52px;border-radius:50%;margin:0 auto 18px;
  display:grid;place-items:center;background:var(--paper-2);
  font-size:20px;color:var(--muted);
}
.empty-state h3{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px;}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.sec-head{max-width:720px;margin-bottom:44px;}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:800;letter-spacing:.14em;color:var(--muted);
  margin-bottom:14px;
}
.sec-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--orange);display:block;}
.sec-head h2{font-size:clamp(26px,3.4vw,40px);}
.sec-head p{margin-top:16px;color:var(--muted);font-size:16px;line-height:1.85;}

/* 相关推荐 */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  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:var(--lime);}
.rel-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--paper-2);}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.rel-card:hover .thumb img{transform:scale(1.04);}
.rel-card .rc-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-card .rc-meta{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);}
.chip{
  display:inline-block;padding:3px 10px;border-radius:999px;
  background:var(--paper-2);color:var(--ink-2);font-size:12px;font-weight:700;
}
.rel-card h3{font-size:17.5px;line-height:1.45;}
.rel-card p{font-size:14px;color:var(--muted);line-height:1.75;}
.rel-card .rc-link{
  margin-top:auto;font-size:13.5px;font-weight:700;color:var(--ink);
  display:inline-flex;align-items:center;gap:6px;
}
.rel-card .rc-link i{transition:transform .25s var(--ease);font-style:normal;}
.rel-card:hover .rc-link i{transform:translateX(5px);}

/* CTA 区块 */
.cta-band{
  background:var(--ink);color:var(--white);
  border-radius:20px;padding:56px 48px;
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.3fr .7fr;gap:40px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:340px;height:340px;
  border:1px solid rgba(199,245,59,.25);border-radius:50%;
}
.cta-band h2{font-size:clamp(24px,3vw,36px);position:relative;z-index:1;}
.cta-band p{margin-top:16px;color:rgba(255,255,255,.72);font-size:15.5px;line-height:1.85;max-width:52ch;position:relative;z-index:1;}
.cta-actions{display:flex;flex-direction:column;gap:14px;position:relative;z-index:1;}
.cta-actions .btn{width:100%;}
.cta-note{font-size:13px;color:rgba(255,255,255,.55);text-align:center;}

/* 浮动 CTA */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 22px;border-radius:999px;
  background:var(--ink);color:var(--lime);
  font-size:14px;font-weight:700;
  box-shadow:0 14px 34px rgba(16,17,14,.28);
  opacity:0;visibility:hidden;transform:translateY(12px) scale(1);
  transition:all .3s var(--ease);
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:var(--lime);color:var(--ink);transform:translateY(-2px);}
.float-cta .fc-dot{width:8px;height:8px;border-radius:50%;background:var(--orange);}

/* 页脚 */
.site-foot{background:var(--ink);color:rgba(255,255,255,.72);margin-top:96px;padding:72px 0 28px;}
.foot-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);}
.foot-brand b{display:block;font-size:19px;color:var(--white);font-weight:900;margin-bottom:14px;}
.foot-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:38ch;}
.foot-col h4{font-size:13px;letter-spacing:.12em;color:var(--lime);font-weight:800;margin-bottom:16px;}
.foot-col a{display:block;font-size:14px;color:rgba(255,255,255,.72);padding:6px 0;transition:color .2s var(--ease),transform .2s var(--ease);}
.foot-col a:hover{color:var(--lime);transform:translateX(3px);}
.foot-bottom{padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.45);}

/* 滚动显隐 */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1120px){
  .read-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .side{display:none;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .foot-top{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:1024px){
  .topnav,.topbar-side .btn{display:none;}
  .menu-btn{display:block;}
  .topbar-inner{height:64px;}
  .cta-band{grid-template-columns:1fr;padding:44px 30px;}
  .section{padding:72px 0;}
}
@media (max-width:768px){
  .container{width:min(100% - 32px, var(--maxw));}
  .page-hero{padding:36px 0 60px;}
  .page-hero h1{max-width:100%;}
  .runway{display:none;}
  .read-wrap{padding:48px 0 24px;}
  .related-grid{grid-template-columns:1fr;}
  .article-body{font-size:16.5px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .foot-top{grid-template-columns:1fr 1fr;gap:28px;}
  .quicknav-inner{padding:12px 14px;gap:4px;}
  .quicknav-inner .q-label{width:100%;margin-bottom:4px;}
}
@media (max-width:520px){
  .site-foot{padding:52px 0 22px;margin-top:64px;}
  .foot-top{grid-template-columns:1fr;gap:26px;}
  .foot-bottom{flex-direction:column;gap:6px;}
  .cta-band{padding:34px 22px;border-radius:16px;}
  .float-cta{
    right:12px;left:12px;bottom:12px;justify-content:center;border-radius:12px;
    padding:14px 16px;
  }
  .article-body h2{font-size:20px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --ink:#10110E;
  --ink-2:#2A2D26;
  --paper:#F7F6F1;
  --paper-2:#ECEAE0;
  --line:#D9D7CC;
  --lime:#C7F53B;
  --orange:#FF5A36;
  --white:#FFFFFF;
  --muted:#6B6F65;
  --radius-s:6px;
  --radius:10px;
  --radius-l:16px;
  --shadow-1:0 1px 0 rgba(0,0,0,.04);
  --shadow-2:0 12px 30px rgba(0,0,0,.08);
  --shell-w:248px;
  --font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","DIN Alternate",Inter,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:4px;}

/* ============ 左侧 App Shell ============ */
.app-shell{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--shell-w);
  background:var(--ink);
  color:var(--paper);
  display:flex;
  flex-direction:column;
  z-index:90;
  border-right:1px solid #1C1E18;
}
.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:22px 22px 18px;
}
.brand{display:flex;align-items:center;gap:10px;min-width:0;}
.brand-mark{
  width:34px;height:34px;
  flex:0 0 34px;
  display:grid;place-items:center;
  background:var(--lime);
  color:var(--ink);
  border-radius:8px;
  font-family:var(--font-num);
  font-weight:700;
  font-size:15px;
  letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0;}
.brand-text b{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--white);white-space:nowrap;}
.brand-text small{font-size:11px;color:#8B9084;letter-spacing:.06em;}
.menu-btn{
  display:none;
  width:40px;height:40px;
  border:1px solid #33372C;
  background:transparent;
  border-radius:8px;
  cursor:pointer;
  position:relative;
}
.menu-btn span,
.menu-btn span::before,
.menu-btn span::after{
  position:absolute;left:11px;
  width:18px;height:2px;background:var(--paper);
  content:"";
  transition:transform .2s ease,opacity .2s ease;
}
.menu-btn span{top:19px;}
.menu-btn span::before{top:-6px;left:0;}
.menu-btn span::after{top:6px;left:0;}
.menu-btn[aria-expanded="true"] span{background:transparent;}
.menu-btn[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.menu-btn[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}

.side-nav{
  flex:1;
  padding:10px 12px 12px;
  display:flex;
  flex-direction:column;
  gap:2px;
  overflow-y:auto;
}
.nav-label{
  font-size:11px;
  letter-spacing:.14em;
  color:#71766A;
  padding:16px 12px 8px;
  text-transform:uppercase;
}
.nav-link{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  padding:11px 12px 11px 16px;
  border-radius:8px;
  font-size:14.5px;
  color:#C9CCC2;
  transition:background .18s ease,color .18s ease;
}
.nav-link::before{
  content:"";
  position:absolute;
  left:4px;top:50%;
  transform:translateY(-50%);
  width:3px;height:0;
  background:var(--lime);
  border-radius:2px;
  transition:height .2s ease;
}
.nav-link:hover{background:#1B1D17;color:var(--white);}
.nav-link.active{background:#1B1D17;color:var(--white);font-weight:600;}
.nav-link.active::before{height:18px;}
.side-foot{padding:16px 18px 22px;border-top:1px solid #1F211B;}
.side-foot p{font-size:12.5px;color:#8B9084;line-height:1.6;margin-bottom:12px;}
.side-cta{
  display:block;
  text-align:center;
  padding:11px 14px;
  background:var(--lime);
  color:var(--ink);
  border-radius:999px;
  font-size:14px;
  font-weight:700;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.side-cta:hover{background:var(--white);transform:translateY(-1px);}

/* ============ 主内容 ============ */
.page-main{margin-left:var(--shell-w);min-height:100vh;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* 锚点条 */
.anchor-bar{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,246,241,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.anchor-inner{
  display:flex;
  align-items:center;
  gap:6px;
  padding:12px 32px;
  max-width:1200px;
  margin:0 auto;
  overflow-x:auto;
  scrollbar-width:none;
}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-link{
  flex:0 0 auto;
  font-size:13.5px;
  padding:7px 14px;
  border-radius:999px;
  color:var(--muted);
  border:1px solid transparent;
  transition:all .18s ease;
  white-space:nowrap;
}
.anchor-link:hover{color:var(--ink);border-color:var(--line);background:var(--white);}
.anchor-link.active{background:var(--ink);color:var(--lime);border-color:var(--ink);}

/* Hero */
.hero{
  position:relative;
  overflow:hidden;
  background:#15170F url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  color:var(--white);
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,11,8,.94) 0%,rgba(10,11,8,.82) 42%,rgba(10,11,8,.42) 100%);
}
.hero-track{
  position:absolute;
  left:0;right:0;bottom:64px;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(199,245,59,.5),transparent);
  z-index:2;
}
.hero-inner{
  position:relative;
  z-index:3;
  padding:104px 32px 92px;
  max-width:1200px;
  margin:0 auto;
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:#A7AB9C;
  margin-bottom:26px;
  flex-wrap:wrap;
}
.crumb a:hover{color:var(--lime);}
.crumb span{color:#5F6459;}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  letter-spacing:.14em;
  color:var(--lime);
  border:1px solid rgba(199,245,59,.35);
  padding:6px 14px;
  border-radius:999px;
  margin-bottom:22px;
}
.hero h1{
  font-size:clamp(34px,4.6vw,60px);
  line-height:1.12;
  letter-spacing:-.02em;
  font-weight:900;
  max-width:19ch;
  margin-bottom:22px;
}
.hero h1 em{font-style:normal;color:var(--lime);}
.hero-sub{
  font-size:clamp(15px,1.5vw,18px);
  line-height:1.8;
  color:#CFD3C6;
  max-width:62ch;
  margin-bottom:34px;
}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:54px;}
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 30px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-primary{background:var(--ink);color:var(--lime);}
.btn-primary:hover{background:var(--lime);color:var(--ink);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--white);border-color:rgba(255,255,255,.5);}
.btn-ghost:hover{background:var(--white);color:var(--ink);border-color:var(--white);transform:translateY(-2px);}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  border-top:1px solid rgba(255,255,255,.16);
  padding-top:26px;
  max-width:900px;
}
.hero-stat{padding-right:22px;}
.hero-stat + .hero-stat{padding-left:22px;border-left:1px solid rgba(255,255,255,.16);}
.hero-stat b{
  display:block;
  font-family:var(--font-num);
  font-size:clamp(26px,3vw,38px);
  font-weight:700;
  color:var(--lime);
  line-height:1.1;
  letter-spacing:-.01em;
}
.hero-stat span{font-size:13px;color:#A7AB9C;display:block;margin-top:6px;}

/* 通用板块 */
.section{padding:96px 0;}
.section.alt{background:var(--paper-2);}
.section.dark{background:var(--ink);color:var(--paper);}
.sec-head{max-width:760px;margin-bottom:52px;}
.sec-kicker{
  display:inline-block;
  font-size:12.5px;
  letter-spacing:.16em;
  color:var(--muted);
  margin-bottom:14px;
  font-weight:600;
}
.section.dark .sec-kicker{color:var(--lime);}
.sec-head h2{
  font-size:clamp(26px,3.2vw,42px);
  line-height:1.18;
  letter-spacing:-.02em;
  font-weight:900;
  margin-bottom:16px;
}
.sec-head p{font-size:16px;color:var(--muted);line-height:1.8;}
.section.dark .sec-head p{color:#A7AB9C;}

/* 概览说明 + 目录 */
.overview-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:44px;
  align-items:start;
}
.overview-text p{font-size:16.5px;line-height:1.9;color:var(--ink-2);margin-bottom:18px;}
.overview-text p strong{color:var(--ink);font-weight:700;}
.toc-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:28px;
  box-shadow:var(--shadow-1);
}
.toc-card h3{font-size:16px;font-weight:800;margin-bottom:18px;}
.toc-list li + li{border-top:1px solid var(--line);}
.toc-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:13px 2px;
  font-size:14.5px;
  color:var(--ink-2);
  transition:color .18s ease,padding-left .18s ease;
}
.toc-list a:hover{color:var(--ink);padding-left:8px;}
.toc-list a i{
  font-style:normal;
  font-family:var(--font-num);
  font-size:13px;
  color:var(--muted);
}

/* 图文交错 */
.feature-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:44px 0;
  border-bottom:1px solid var(--line);
}
.feature-row:last-child{border-bottom:0;padding-bottom:0;}
.feature-row.flip .feature-media{order:2;}
.feature-num{
  font-family:var(--font-num);
  font-size:clamp(46px,6vw,86px);
  font-weight:700;
  line-height:1;
  color:var(--paper-2);
  -webkit-text-stroke:1px var(--line);
  margin-bottom:10px;
  letter-spacing:-.02em;
}
.feature-body h3{font-size:clamp(20px,2.2vw,26px);font-weight:800;line-height:1.35;margin-bottom:14px;letter-spacing:-.01em;}
.feature-body p{font-size:16px;color:var(--muted);line-height:1.85;margin-bottom:18px;}
.feature-list li{
  position:relative;
  padding-left:18px;
  font-size:14.5px;
  color:var(--ink-2);
  line-height:1.9;
}
.feature-list li::before{
  content:"";
  position:absolute;left:0;top:.72em;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--lime);
}
.feature-media{
  position:relative;
  border-radius:var(--radius-l);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  aspect-ratio:4/3;
  background:var(--paper-2);
}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.2,1);}
.feature-media:hover img{transform:scale(1.04);}
.feature-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,17,14,0) 45%,rgba(16,17,14,.42) 100%);
}
.media-chip{
  position:absolute;
  left:18px;bottom:18px;
  z-index:2;
  background:rgba(16,17,14,.82);
  color:var(--paper);
  font-size:12.5px;
  letter-spacing:.04em;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid rgba(199,245,59,.3);
}

/* 数据条 */
.data-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  background:var(--white);
  overflow:hidden;
}
.data-cell{padding:34px 28px;border-right:1px solid var(--line);}
.data-cell:last-child{border-right:0;}
.data-cell b{
  display:block;
  font-family:var(--font-num);
  font-size:clamp(30px,3.6vw,46px);
  font-weight:700;
  color:var(--ink);
  line-height:1.1;
  letter-spacing:-.02em;
}
.data-cell b i{font-style:normal;color:var(--orange);font-size:.6em;margin-left:2px;}
.data-cell span{display:block;font-size:13.5px;color:var(--muted);margin-top:8px;line-height:1.6;}

/* 字段说明 */
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px 40px;}
.field-item{
  display:flex;
  gap:16px;
  padding:22px 0;
  border-bottom:1px solid var(--line);
}
.field-item .fi-no{
  font-family:var(--font-num);
  font-size:15px;
  font-weight:700;
  color:var(--orange);
  padding-top:2px;
  min-width:26px;
}
.field-item h3{font-size:16.5px;font-weight:700;margin-bottom:6px;}
.field-item p{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* 时间轴 */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";
  position:absolute;
  left:7px;top:8px;bottom:8px;
  width:1px;
  background:linear-gradient(180deg,var(--lime),var(--line));
}
.tl-item{position:relative;padding-bottom:38px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;
  left:-34px;top:6px;
  width:15px;height:15px;
  border-radius:50%;
  background:var(--paper);
  border:2px solid var(--ink);
}
.tl-item.on::before{background:var(--lime);border-color:var(--ink);}
.tl-item h3{font-size:17px;font-weight:800;margin-bottom:8px;}
.tl-item p{font-size:15px;color:var(--muted);line-height:1.85;max-width:66ch;}
.tl-time{
  font-family:var(--font-num);
  font-size:13px;
  color:var(--orange);
  letter-spacing:.06em;
  display:block;
  margin-bottom:4px;
}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:.72fr 1.28fr;gap:56px;align-items:start;}
.faq-aside h2{font-size:clamp(26px,3.2vw,40px);font-weight:900;line-height:1.2;letter-spacing:-.02em;margin-bottom:16px;}
.faq-aside p{font-size:15.5px;color:var(--muted);line-height:1.85;margin-bottom:22px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:16px;
  padding:22px 4px;
  background:transparent;
  border:0;
  text-align:left;
  cursor:pointer;
  font-size:16.5px;
  font-weight:500;
  color:var(--ink);
  line-height:1.55;
  transition:color .18s ease;
}
.faq-q:hover{color:var(--ink-2);}
.faq-no{
  font-family:var(--font-num);
  font-size:14px;
  font-weight:700;
  color:var(--muted);
  min-width:26px;
  transition:color .2s ease;
}
.faq-item.open .faq-no{color:var(--orange);}
.faq-q .qico{
  margin-left:auto;
  width:22px;height:22px;
  flex:0 0 22px;
  position:relative;
  border-radius:50%;
  border:1px solid var(--line);
  transition:background .2s ease,border-color .2s ease,transform .24s ease;
}
.faq-q .qico::before,
.faq-q .qico::after{
  content:"";
  position:absolute;
  background:var(--ink);
  left:50%;top:50%;
  transform:translate(-50%,-50%);
}
.faq-q .qico::before{width:9px;height:1.5px;}
.faq-q .qico::after{width:1.5px;height:9px;transition:opacity .24s ease;}
.faq-item.open .qico{background:var(--lime);border-color:var(--lime);transform:rotate(180deg);}
.faq-item.open .qico::after{opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .24s ease;
}
.faq-a-inner{padding:0 44px 24px 42px;}
.faq-a-inner p{font-size:15px;color:var(--muted);line-height:1.9;}

/* CTA */
.cta-block{
  background:var(--ink);
  color:var(--paper);
  border-radius:24px;
  padding:66px 56px;
  position:relative;
  overflow:hidden;
}
.cta-block::before{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:320px;height:320px;
  border:1px solid rgba(199,245,59,.22);
  border-radius:50%;
}
.cta-block::after{
  content:"";
  position:absolute;
  right:40px;bottom:-120px;
  width:220px;height:220px;
  border:1px solid rgba(255,90,54,.3);
  border-radius:50%;
}
.cta-inner{position:relative;z-index:2;max-width:720px;}
.cta-block h2{
  font-size:clamp(26px,3.2vw,40px);
  font-weight:900;
  line-height:1.2;
  letter-spacing:-.02em;
  margin-bottom:16px;
}
.cta-block p{font-size:16px;color:#B9BDAF;line-height:1.9;margin-bottom:30px;}
.cta-meta{
  display:flex;
  flex-wrap:wrap;
  gap:28px;
  margin-top:34px;
  padding-top:26px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:14px;
  color:#A7AB9C;
}
.cta-meta strong{display:block;color:var(--white);font-size:15px;margin-bottom:2px;}

/* 浮动 CTA */
.float-cta{
  position:fixed;
  right:32px;
  bottom:32px;
  z-index:80;
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 26px;
  background:var(--ink);
  color:var(--lime);
  border-radius:999px;
  font-size:14.5px;
  font-weight:700;
  box-shadow:0 14px 34px rgba(16,17,14,.28);
  opacity:0;
  visibility:hidden;
  transform:translateY(14px);
  transition:opacity .3s ease,transform .3s ease,background .2s ease,color .2s ease,visibility .3s;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:var(--lime);color:var(--ink);}
.float-cta .dot{
  width:7px;height:7px;border-radius:50%;background:var(--orange);
  box-shadow:0 0 0 4px rgba(255,90,54,.18);
}

/* 页脚 */
.site-foot{background:var(--ink);color:var(--paper);padding:76px 0 34px;margin-top:0;}
.foot-top{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:44px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.foot-brand b{font-size:20px;font-weight:900;letter-spacing:-.01em;display:block;margin-bottom:14px;}
.foot-brand p{font-size:14px;color:#9A9E90;line-height:1.85;max-width:34ch;}
.foot-col h4{font-size:13px;letter-spacing:.14em;color:var(--lime);margin-bottom:18px;font-weight:700;}
.foot-col a{
  display:block;
  font-size:14px;
  color:#B9BDAF;
  padding:6px 0;
  transition:color .18s ease,transform .18s ease;
}
.foot-col a:hover{color:var(--lime);transform:translateX(3px);}
.foot-bottom{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  padding-top:24px;
  font-size:13px;
  color:#7E8377;
}

/* 动效 */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s cubic-bezier(.2,.7,.2,1),transform .5s cubic-bezier(.2,.7,.2,1);}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .container{padding:0 26px;}
  .hero-inner{padding:88px 26px 76px;}
  .anchor-inner{padding:12px 26px;}
  .section{padding:80px 0;}
  .feature-row{gap:40px;}
  .cta-block{padding:54px 40px;}
}
@media (max-width:1024px){
  .app-shell{
    bottom:auto;
    width:100%;
    height:56px;
    flex-direction:row;
    align-items:center;
    border-right:0;
    border-bottom:1px solid #1C1E18;
  }
  .topbar{padding:0 16px;height:56px;flex:0 0 auto;}
  .brand-mark{width:30px;height:30px;flex:0 0 30px;font-size:13px;}
  .brand-text b{font-size:15px;}
  .menu-btn{display:block;margin-left:12px;}
  .side-nav{
    position:fixed;
    top:56px;left:0;
    width:264px;
    height:calc(100vh - 56px);
    background:var(--ink);
    padding:8px 12px 20px;
    transform:translateX(-102%);
    transition:transform .28s cubic-bezier(.2,.7,.2,1);
    box-shadow:0 20px 50px rgba(0,0,0,.35);
  }
  .side-nav.open{transform:translateX(0);}
  .side-backdrop{
    position:fixed;
    inset:56px 0 0 0;
    background:rgba(16,17,14,.45);
    opacity:0;
    visibility:hidden;
    transition:opacity .28s ease,visibility .28s;
    z-index:80;
  }
  .side-backdrop.show{opacity:1;visibility:visible;}
  .side-foot{display:none;}
  .page-main{margin-left:0;padding-top:56px;}
  .anchor-bar{top:56px;}
  .overview-grid{grid-template-columns:1fr;gap:32px;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .data-strip{grid-template-columns:1fr 1fr;}
  .data-cell:nth-child(2n){border-right:0;}
  .data-cell:nth-child(-n+2){border-bottom:1px solid var(--line);}
  .foot-top{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:768px){
  .section{padding:60px 0;}
  .container{padding:0 20px;}
  .hero-inner{padding:64px 20px 56px;}
  .anchor-inner{padding:10px 20px;}
  .hero h1{max-width:100%;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:22px 0;padding-top:22px;}
  .hero-stat{padding-right:18px;}
  .hero-stat:nth-child(odd){padding-left:0;border-left:0;}
  .hero-stat:nth-child(even){padding-left:18px;border-left:1px solid rgba(255,255,255,.16);}
  .hero-stat:nth-child(n+3){padding-top:20px;border-top:1px solid rgba(255,255,255,.12);}
  .feature-row{grid-template-columns:1fr;gap:26px;padding:34px 0;}
  .feature-row.flip .feature-media{order:0;}
  .field-grid{grid-template-columns:1fr;}
  .data-strip{grid-template-columns:1fr;border-radius:var(--radius);}
  .data-cell{border-right:0;border-bottom:1px solid var(--line);padding:26px 22px;}
  .data-cell:last-child{border-bottom:0;}
  .cta-block{padding:42px 24px;border-radius:18px;}
  .cta-meta{gap:18px;}
  .foot-top{grid-template-columns:1fr;gap:30px;}
  .float-cta{
    right:16px;left:16px;bottom:16px;
    justify-content:center;
    padding:14px 20px;
  }
  .faq-a-inner{padding:0 12px 22px 42px;}
}
@media (max-width:520px){
  body{font-size:15.5px;}
  .hero h1{font-size:clamp(28px,8vw,36px);}
  .hero-sub{font-size:15px;}
  .btn{width:100%;justify-content:center;padding:13px 22px;}
  .btn-row{gap:10px;}
  .sec-head{margin-bottom:34px;}
  .sec-head h2{font-size:clamp(23px,6.6vw,30px);}
  .faq-q{font-size:15.5px;padding:18px 2px;}
  .foot-bottom{flex-direction:column;gap:6px;}
}

/* roulang page: category2 */
:root{
  --ink:#10110E;
  --ink-2:#2A2D26;
  --paper:#F7F6F1;
  --paper-2:#ECEAE0;
  --line:#D9D7CC;
  --lime:#C7F53B;
  --orange:#FF5A36;
  --white:#FFFFFF;
  --muted:#6B6F65;
  --radius:10px;
  --radius-sm:6px;
  --pill:999px;
  --shadow-1:0 1px 0 rgba(0,0,0,.04);
  --shadow-2:0 12px 30px rgba(0,0,0,.08);
  --wrap:1200px;
  --nav-w:248px;
  --font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --num:"DIN Alternate","Barlow Condensed","Inter",var(--font);
}
*,*::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);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius);}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,opacity .2s ease;}
a:hover{color:var(--ink);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.02em;line-height:1.14;font-weight:800;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px;border-radius:4px;}
.container{width:min(100% - 48px,var(--wrap));margin:0 auto;}

/* ---------- 顶部栏（移动端） ---------- */
.topbar{display:none;}
.menu-btn{
  width:42px;height:42px;border:1px solid rgba(255,255,255,.24);background:transparent;border-radius:8px;
  display:grid;place-items:center;cursor:pointer;padding:0;
}
.menu-btn span,.menu-btn span::before,.menu-btn span::after{
  content:"";display:block;width:18px;height:2px;background:#EDEDE7;border-radius:2px;position:relative;
}
.menu-btn span::before{position:absolute;top:-6px;left:0;}
.menu-btn span::after{position:absolute;top:6px;left:0;}

/* ---------- 左侧 App Shell ---------- */
.shell-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:var(--ink);color:#B9BCB2;
  display:flex;flex-direction:column;gap:26px;
  padding:24px 18px 20px;z-index:80;
}
.shell-nav .brand{display:flex;align-items:center;gap:12px;color:#fff;}
.brand-mark{
  width:40px;height:40px;border-radius:9px;background:var(--lime);color:var(--ink);
  display:grid;place-items:center;font-family:var(--num);font-weight:800;font-size:15px;letter-spacing:.02em;flex:0 0 auto;
}
.brand-text b{display:block;font-size:17px;letter-spacing:-.01em;color:#fff;}
.brand-text em{display:block;font-style:normal;font-size:12px;color:#8B9084;letter-spacing:.04em;margin-top:2px;}
.nav-list{display:flex;flex-direction:column;gap:6px;}
.nav-item{
  position:relative;display:block;padding:11px 14px;border-radius:8px;font-size:15px;color:#B9BCB2;
}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff;}
.nav-item.is-active{background:rgba(199,245,59,.10);color:var(--lime);}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--lime);
}
.nav-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;}
.nav-foot p{font-size:12.5px;color:#8B9084;line-height:1.6;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--pill);font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:all .2s ease;text-align:center;line-height:1.2;
}
.btn-ink{background:var(--ink);color:var(--lime);}
.btn-ink:hover{background:var(--lime);color:var(--ink);}
.btn-line{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-line:hover{background:var(--ink);color:#fff;}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{background:#dcff6a;color:var(--ink);}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.42);}
.btn-ghost-light:hover{background:#fff;color:var(--ink);border-color:#fff;}
.btn-sm{padding:9px 16px;font-size:13.5px;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--ink);
  border-bottom:1px solid var(--ink);padding-bottom:2px;border-radius:0;
}
.btn-link:hover{color:var(--orange);border-color:var(--orange);}
.btn:disabled,.btn.is-disabled{opacity:.45;cursor:not-allowed;}
.btn.is-loading{position:relative;color:transparent;pointer-events:none;}
.btn.is-loading::after{
  content:"";position:absolute;width:16px;height:16px;border-radius:50%;
  border:2px solid rgba(199,245,59,.35);border-top-color:var(--lime);animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}

/* ---------- 主内容布局 ---------- */
.page-main{margin-left:var(--nav-w);}
section{position:relative;}
.section{padding:clamp(56px,8vw,120px) 0;}
.section-head{max-width:720px;margin-bottom:clamp(28px,4vw,48px);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--muted);font-weight:700;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--orange);border-radius:2px;}
h2{font-size:clamp(26px,3.6vw,44px);}
h3{font-size:clamp(19px,2vw,23px);}
.lead{margin-top:16px;font-size:clamp(15.5px,1.4vw,17.5px);color:var(--muted);line-height:1.85;}

/* ---------- 吸顶锚点条 ---------- */
.anchor-bar{
  position:sticky;top:0;z-index:50;
  background:rgba(247,246,241,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.anchor-inner{
  display:flex;align-items:center;gap:22px;overflow-x:auto;scrollbar-width:none;
  padding:14px 0;font-size:14px;
}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-inner a{color:var(--muted);white-space:nowrap;font-weight:600;padding-bottom:2px;border-bottom:2px solid transparent;}
.anchor-inner a:hover,.anchor-inner a.is-current{color:var(--ink);border-color:var(--lime);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;background:var(--ink);
  padding:clamp(56px,7vw,104px) 0 clamp(44px,5vw,72px);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(102deg,rgba(16,17,14,.95) 0%,rgba(16,17,14,.78) 42%,rgba(16,17,14,.42) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;bottom:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(199,245,59,.22),transparent 68%);
}
.page-hero .container{position:relative;z-index:2;}
.crumb{display:flex;gap:10px;align-items:center;font-size:13px;color:#A8AC9F;margin-bottom:22px;flex-wrap:wrap;}
.crumb a:hover{color:var(--lime);}
.page-hero h1{
  color:#fff;font-size:clamp(30px,4.6vw,60px);font-weight:900;letter-spacing:-.025em;max-width:16em;
}
.page-hero h1 span{color:var(--lime);}
.hero-sub{margin-top:20px;max-width:44em;font-size:clamp(15.5px,1.5vw,18px);color:#D6D8CE;line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;align-items:center;}
.play-btn{
  display:inline-flex;align-items:center;gap:12px;color:#fff;font-size:14.5px;font-weight:600;
}
.play-btn i{
  width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.4);
  display:grid;place-items:center;font-style:normal;font-size:13px;transition:all .2s ease;
}
.play-btn:hover i{background:var(--lime);color:var(--ink);border-color:var(--lime);}
.stat-row{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  margin-top:clamp(36px,5vw,60px);border-top:1px solid rgba(255,255,255,.2);padding-top:26px;gap:20px;
}
.stat-row div + div{border-left:1px solid rgba(255,255,255,.16);padding-left:22px;}
.stat-num{font-family:var(--num);font-size:clamp(26px,3vw,38px);font-weight:800;color:var(--lime);line-height:1;}
.stat-label{margin-top:8px;font-size:13px;color:#B5B8AC;letter-spacing:.02em;}

/* ---------- 筛选标签 ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.chip{
  border:1px solid var(--line);background:var(--white);border-radius:var(--pill);
  padding:8px 18px;font-size:14px;font-weight:600;color:var(--ink-2);cursor:pointer;transition:all .2s ease;
}
.chip:hover{border-color:var(--ink);}
.chip.is-on{background:var(--ink);color:var(--lime);border-color:var(--ink);}

/* ---------- 入口清单 ---------- */
.entry-list{border-top:1px solid var(--line);}
.entry-row{
  display:grid;grid-template-columns:56px minmax(0,1fr) 116px 108px 130px;
  align-items:center;gap:18px;padding:20px 14px;border-bottom:1px solid var(--line);
  transition:background .2s ease;border-radius:var(--radius-sm);
}
.entry-row:hover{background:var(--white);box-shadow:var(--shadow-1);}
.entry-idx{font-family:var(--num);font-size:17px;font-weight:700;color:var(--muted);}
.entry-name{font-size:16.5px;font-weight:700;color:var(--ink);}
.entry-desc{margin-top:5px;font-size:14px;color:var(--muted);line-height:1.7;}
.entry-time{font-size:13px;color:var(--muted);}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;
  padding:5px 12px;border-radius:var(--pill);border:1px solid var(--line);background:var(--paper-2);color:var(--ink-2);
  white-space:nowrap;
}
.badge-lime{background:rgba(199,245,59,.28);border-color:rgba(150,190,20,.5);color:#3D4A10;}
.badge-orange{background:rgba(255,90,54,.12);border-color:rgba(255,90,54,.45);color:#A7300F;}
.badge-mute{background:var(--paper-2);color:var(--muted);}
.entry-group{display:none;}
.entry-group.is-on{display:block;}
.entry-group-title{
  display:flex;align-items:baseline;gap:12px;margin:34px 0 6px;font-size:14px;color:var(--muted);font-weight:700;letter-spacing:.08em;
}
.entry-group-title::after{content:"";flex:1;height:1px;background:var(--line);}

/* ---------- 图文交错 ---------- */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(28px,4vw,56px);align-items:center;}
.split.reverse .split-media{order:2;}
.media-frame{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:var(--ink);}
.media-frame img{width:100%;height:100%;object-fit:cover;border-radius:0;aspect-ratio:4/3;}
.media-frame::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,17,14,0) 45%,rgba(16,17,14,.55) 100%);
}
.media-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;background:rgba(16,17,14,.72);color:#fff;
  font-size:12.5px;font-weight:600;padding:6px 12px;border-radius:var(--pill);border:1px solid rgba(255,255,255,.22);
}
.key-list{margin-top:22px;display:flex;flex-direction:column;gap:14px;}
.key-list li{display:flex;gap:12px;font-size:15px;color:var(--ink-2);line-height:1.75;}
.key-list li b{display:block;color:var(--ink);}
.key-list li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;border-radius:2px;background:var(--lime);border:1px solid var(--ink);
}
.mini-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:28px;padding-top:22px;border-top:1px solid var(--line);}
.mini-stats div{min-width:96px;}
.mini-stats span{display:block;font-family:var(--num);font-size:26px;font-weight:800;color:var(--ink);line-height:1.1;}
.mini-stats em{font-style:normal;font-size:13px;color:var(--muted);}

/* ---------- 规格卡 ---------- */
.spec-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.spec-card{
  background:var(--white);border:1px solid var(--line);border-radius:12px;padding:24px 22px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.spec-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--ink);}
.spec-card .k{font-size:12.5px;letter-spacing:.1em;color:var(--muted);font-weight:700;}
.spec-card .v{font-family:var(--num);font-size:clamp(24px,2.4vw,32px);font-weight:800;color:var(--ink);margin:12px 0 8px;line-height:1.1;}
.spec-card p{font-size:14px;color:var(--muted);}

/* ---------- 对比表 ---------- */
.table-wrap{
  border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--white);overflow-x:auto;
}
table{width:100%;border-collapse:collapse;min-width:760px;}
thead th{
  background:var(--ink);color:#EDEDE7;text-align:left;font-size:13.5px;font-weight:700;
  padding:16px 18px;letter-spacing:.04em;white-space:nowrap;
}
tbody td{padding:18px;border-top:1px solid var(--line);font-size:14.5px;vertical-align:top;color:var(--ink-2);}
tbody tr:hover td{background:var(--paper-2);}
tbody td strong{color:var(--ink);}
td .badge{margin-top:0;}

/* ---------- 步骤时间轴 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step;}
.steps li{
  position:relative;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:26px 22px 24px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.steps li:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.steps li::before{
  counter-increment:step;content:"0" counter(step);
  font-family:var(--num);font-size:14px;font-weight:800;color:var(--ink);
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:8px;background:var(--lime);margin-bottom:16px;
}
.steps h3{font-size:17.5px;margin-bottom:8px;}
.steps p{font-size:14.5px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:transparent;border:0;padding:22px 8px;cursor:pointer;
  display:grid;grid-template-columns:56px minmax(0,1fr) 28px;align-items:center;gap:14px;text-align:left;
}
.faq-num{font-family:var(--num);font-size:14px;font-weight:800;color:var(--muted);transition:color .2s ease;}
.faq-title{font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.5;}
.faq-icon{
  position:relative;width:22px;height:22px;border-radius:50%;border:1px solid var(--line);flex:0 0 auto;
  transition:all .24s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink);left:50%;top:50%;transform:translate(-50%,-50%);border-radius:2px;
  transition:transform .24s ease,background .2s ease;
}
.faq-icon::before{width:10px;height:1.6px;}
.faq-icon::after{width:1.6px;height:10px;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;}
.faq-a p{padding:0 8px 24px 70px;font-size:15px;color:var(--muted);line-height:1.85;}
.faq-item.is-open .faq-num{color:var(--orange);}
.faq-item.is-open .faq-icon{background:var(--lime);border-color:var(--lime);}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);}

/* ---------- 联系 CTA ---------- */
.cta-band{
  background:var(--ink);color:#E9EAE3;border-radius:16px;padding:clamp(30px,4vw,58px);
  display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,52px);
}
.cta-band h2{color:#fff;}
.cta-band p{margin-top:16px;color:#B9BCB2;font-size:15.5px;line-height:1.85;}
.cta-points{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.cta-points li{font-size:14.5px;color:#D6D8CE;display:flex;gap:10px;}
.cta-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lime);margin-top:9px;flex:0 0 auto;}
.form-card{background:var(--white);border-radius:12px;padding:clamp(22px,2.6vw,32px);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:8px;letter-spacing:.02em;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;background:var(--paper);
  font-size:14.5px;transition:all .2s ease;
}
.field textarea{min-height:104px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--ink);background:#fff;outline:none;box-shadow:0 0 0 3px rgba(199,245,59,.4);}
.field.has-error input,.field.has-error textarea{border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,90,54,.14);}
.field-error{display:none;margin-top:6px;font-size:12.5px;color:#B93A18;}
.field.has-error .field-error{display:block;}
.form-msg{
  display:none;margin-top:14px;padding:12px 14px;border-radius:8px;font-size:14px;font-weight:600;
}
.form-msg.is-success{display:block;background:rgba(199,245,59,.26);border:1px solid rgba(150,190,20,.55);color:#3D4A10;}
.form-msg.is-error{display:block;background:rgba(255,90,54,.1);border:1px solid rgba(255,90,54,.5);color:#A7300F;}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;
  background:var(--ink);color:var(--lime);border:1px solid rgba(199,245,59,.4);
  padding:13px 22px;border-radius:var(--pill);font-size:14.5px;font-weight:700;
  box-shadow:0 10px 28px rgba(16,17,14,.28);
  opacity:0;visibility:hidden;transform:translateY(14px) scale(.96);
  transition:all .28s ease;
}
.float-cta.is-on{opacity:1;visibility:visible;transform:translateY(0) scale(1);}
.float-cta:hover{background:var(--lime);color:var(--ink);}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--ink);color:#A8AC9F;margin-top:clamp(56px,7vw,96px);padding:clamp(48px,6vw,80px) 0 26px;}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;}
.foot-brand b{display:block;color:#fff;font-size:20px;letter-spacing:-.01em;margin-bottom:14px;}
.foot-brand p{font-size:14px;line-height:1.85;max-width:32em;}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em;}
.foot-col a{display:block;font-size:14px;color:#A8AC9F;padding:6px 0;border-bottom:1px solid transparent;}
.foot-col a:hover{color:var(--lime);}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8B9084;
}

/* ---------- 抽屉遮罩 ---------- */
.nav-mask{
  position:fixed;inset:0;background:rgba(16,17,14,.55);z-index:75;opacity:0;visibility:hidden;transition:opacity .24s ease;
}
.nav-mask.is-on{opacity:1;visibility:visible;}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .55s cubic-bezier(.22,.61,.36,1),transform .55s cubic-bezier(.22,.61,.36,1);}
.reveal.in{opacity:1;transform:none;}
.entry-group.is-on .entry-row{animation:fadeRow .45s ease both;}
@keyframes fadeRow{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .spec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-top{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:1024px){
  .topbar{
    display:flex;position:sticky;top:0;z-index:85;height:56px;align-items:center;justify-content:space-between;
    padding:0 16px;background:rgba(16,17,14,.97);backdrop-filter:blur(8px);
  }
  .topbar .brand{display:flex;align-items:center;gap:10px;}
  .topbar .brand-text b{color:#fff;font-size:16px;}
  .topbar .brand-mark{width:32px;height:32px;font-size:13px;border-radius:7px;}
  .shell-nav{
    transform:translateX(-100%);transition:transform .28s cubic-bezier(.22,.61,.36,1);
    box-shadow:0 0 40px rgba(0,0,0,.35);width:272px;
  }
  .shell-nav.is-open{transform:translateX(0);}
  .page-main{margin-left:0;}
  .anchor-bar{top:56px;}
  .split,.cta-band{grid-template-columns:1fr;}
  .split.reverse .split-media{order:0;}
  .entry-row{grid-template-columns:40px minmax(0,1fr) auto;gap:14px;}
  .entry-row .entry-time{grid-column:2;}
  .entry-row .entry-btn{grid-column:3;grid-row:1 / span 3;}
}
@media (max-width:768px){
  .container{width:min(100% - 32px,var(--wrap));}
  .spec-grid,.steps{grid-template-columns:1fr;}
  .stat-row{grid-template-columns:1fr;gap:18px;}
  .stat-row div + div{border-left:0;border-top:1px solid rgba(255,255,255,.16);padding-left:0;padding-top:16px;}
  .foot-top{grid-template-columns:1fr;}
  .faq-q{grid-template-columns:32px minmax(0,1fr) 24px;padding:18px 4px;}
  .faq-a p{padding-left:36px;}
  .entry-row{grid-template-columns:32px minmax(0,1fr);}
  .entry-row .entry-btn{grid-column:2;grid-row:auto;justify-self:start;margin-top:6px;}
  .float-cta{
    right:12px;left:12px;bottom:12px;justify-content:center;border-radius:14px;
    padding:14px 18px;
  }
}
@media (max-width:520px){
  body{font-size:15.5px;}
  .page-hero h1{font-size:28px;}
  .btn{padding:12px 18px;font-size:14.5px;}
  .mini-stats{gap:20px;}
  .foot-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category3 */
:root{
  --ink:#10110E;
  --ink-2:#2A2D26;
  --paper:#F7F6F1;
  --paper-2:#ECEAE0;
  --line:#D9D7CC;
  --lime:#C7F53B;
  --orange:#FF5A36;
  --white:#FFFFFF;
  --muted:#6B6F65;
  --r-s:6px;
  --r-m:12px;
  --r-l:20px;
  --r-pill:999px;
  --sh-1:0 1px 0 rgba(0,0,0,.04);
  --sh-2:0 12px 30px rgba(0,0,0,.08);
  --ease:cubic-bezier(.22,.61,.36,1);
  --maxw:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:92px;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.15;}
h1{font-size:clamp(30px,4.4vw,58px);}
h2{font-size:clamp(26px,3.2vw,42px);}
h3{font-size:clamp(18px,1.6vw,22px);font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px;border-radius:4px;}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--lime);padding:10px 18px;border-radius:0 0 10px 0;z-index:200;}
.skip:focus{left:0;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.en{font-family:"DIN Alternate","Barlow Condensed",Inter,"Helvetica Neue",Arial,sans-serif;font-variant-numeric:tabular-nums;}

/* ---------- 顶栏导航 ---------- */
.topbar{
  position:sticky;top:0;z-index:80;
  display:flex;align-items:center;gap:20px;
  padding:12px max(20px,calc((100vw - var(--maxw)) / 2));
  background:rgba(247,246,241,.97);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:10px;background:var(--ink);color:var(--lime);
  display:grid;place-items:center;font-size:14px;font-weight:800;letter-spacing:.5px;
  font-family:"DIN Alternate","Barlow Condensed",Inter,Arial,sans-serif;
}
.brand-text b{font-size:18px;font-weight:800;letter-spacing:-.01em;display:block;line-height:1.1;}
.nav{margin-left:auto;display:flex;align-items:center;gap:6px;}
.nav a{
  padding:9px 14px;border-radius:var(--r-pill);font-size:14.5px;color:var(--ink-2);
  transition:background .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.nav a:hover{background:var(--paper-2);color:var(--ink);}
.nav a.active{background:var(--ink);color:var(--lime);}
.menu-btn{
  display:none;width:42px;height:42px;border-radius:10px;background:transparent;
  border:1px solid var(--line);align-items:center;justify-content:center;cursor:pointer;
  margin-left:auto;transition:border-color .2s var(--ease);
}
.menu-btn:hover{border-color:var(--ink);}
.menu-btn span{position:relative;display:block;width:18px;height:2px;background:var(--ink);transition:background .2s var(--ease);}
.menu-btn span::before,.menu-btn span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
  transition:transform .25s var(--ease),top .25s var(--ease);
}
.menu-btn span::before{top:-6px;}
.menu-btn span::after{top:6px;}
.topbar.nav-open .menu-btn span{background:transparent;}
.topbar.nav-open .menu-btn span::before{top:0;transform:rotate(45deg);}
.topbar.nav-open .menu-btn span::after{top:0;transform:rotate(-45deg);}
.nav-mask{display:none;}

/* ---------- 通用区块 ---------- */
.section{padding:96px 0;}
.section.alt{background:var(--paper-2);}
.section.dark{background:var(--ink);color:var(--white);}
.section-head{max-width:760px;margin-bottom:48px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--muted);margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);display:block;}
.eyebrow-light{color:rgba(255,255,255,.72);}
.lead{font-size:17px;color:var(--ink-2);margin-top:18px;max-width:720px;}
.section.dark .lead{color:rgba(255,255,255,.78);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--ink);color:var(--lime);}
.btn-primary:hover{background:var(--lime);color:var(--ink);}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn-ghost:hover{background:var(--ink);color:var(--white);}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{background:var(--white);color:var(--ink);}
.btn-ghost-light{border-color:rgba(255,255,255,.5);color:var(--white);background:transparent;}
.btn-ghost-light:hover{background:var(--white);color:var(--ink);border-color:var(--white);}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;
  color:var(--ink);position:relative;padding:4px 0;
}
.btn-text::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--orange);
  transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);
}
.btn-text:hover::after{transform:scaleX(1);}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;}
.btn[disabled]:hover,.btn.is-disabled:hover{background:var(--ink);color:var(--lime);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:var(--white);}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(16,17,14,.95) 0%,rgba(16,17,14,.84) 46%,rgba(16,17,14,.62) 100%),
             url('/assets/images/backpic/back-3.png') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(199,245,59,0) 0%,rgba(199,245,59,.55) 30%,rgba(199,245,59,0) 100%);
}
.hero-inner{position:relative;z-index:2;padding:92px 0 0;}
.hero h1{max-width:900px;}
.hero-sub{margin-top:22px;font-size:18px;color:rgba(255,255,255,.8);max-width:680px;line-height:1.8;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid rgba(255,255,255,.16);margin-top:60px;
}
.hero-stat{padding:26px 28px 30px 0;border-right:1px solid rgba(255,255,255,.16);}
.hero-stat:last-child{border-right:0;}
.hero-stat .stat-num{
  font-size:clamp(26px,2.8vw,38px);font-weight:800;color:var(--lime);line-height:1.1;
  font-family:"DIN Alternate","Barlow Condensed",Inter,Arial,sans-serif;
}
.hero-stat .stat-label{display:block;margin-top:8px;font-size:14px;color:rgba(255,255,255,.7);}

/* ---------- 锚点栏 ---------- */
.anchor-bar{
  position:sticky;top:63px;z-index:60;
  background:var(--paper);border-bottom:1px solid var(--line);
  overflow-x:auto;-webkit-overflow-scrolling:touch;
}
.anchor-bar .container{display:flex;gap:8px;padding-top:12px;padding-bottom:12px;}
.anchor-bar a{
  padding:8px 16px;border-radius:var(--r-pill);border:1px solid var(--line);
  font-size:14px;color:var(--ink-2);white-space:nowrap;
  transition:all .2s var(--ease);
}
.anchor-bar a:hover{border-color:var(--ink);background:var(--paper-2);color:var(--ink);}

/* ---------- 图文交错 ---------- */
.alt-row{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  padding:44px 0;border-top:1px solid var(--line);
}
.alt-row:first-of-type{border-top:0;padding-top:0;}
.alt-row.reverse .alt-media{order:-1;}
.alt-num{
  font-size:60px;font-weight:800;line-height:1;color:var(--paper-2);
  font-family:"DIN Alternate","Barlow Condensed",Inter,Arial,sans-serif;
  margin-bottom:10px;
}
.alt-row h3{margin-bottom:12px;}
.alt-row p{color:var(--ink-2);}
.alt-media{border-radius:var(--r-m);overflow:hidden;border:1px solid var(--line);background:var(--white);}
.alt-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.alt-points{margin-top:18px;display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;padding:6px 13px;border-radius:var(--r-pill);
  background:var(--paper-2);border:1px solid var(--line);font-size:13px;color:var(--ink-2);
}
.tag-lime{background:rgba(199,245,59,.28);border-color:rgba(160,200,30,.45);color:var(--ink);}

/* ---------- 步骤时间轴 ---------- */
.step-list{display:grid;gap:0;max-width:880px;}
.step{position:relative;display:grid;grid-template-columns:66px 1fr;gap:22px;padding-bottom:38px;}
.step::before{content:"";position:absolute;left:32px;top:70px;bottom:6px;width:1px;background:var(--line);}
.step:last-child{padding-bottom:0;}
.step:last-child::before{display:none;}
.step-num{
  width:66px;height:66px;border-radius:50%;background:var(--white);border:1px solid var(--line);
  display:grid;place-items:center;font-size:20px;font-weight:800;
  font-family:"DIN Alternate","Barlow Condensed",Inter,Arial,sans-serif;
  transition:background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
}
.step:hover .step-num{background:var(--lime);border-color:var(--lime);color:var(--ink);}
.step-body{padding-top:8px;}
.step-body h3{margin-bottom:10px;font-size:20px;}
.step-body p{color:var(--ink-2);}
.step-meta{margin-top:12px;font-size:13px;color:var(--muted);}

/* ---------- 字段说明列表 ---------- */
.spec-list{border-top:1px solid var(--line);}
.spec-row{
  display:grid;grid-template-columns:260px 1fr;gap:32px;
  padding:26px 0;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.spec-row:hover{background:rgba(236,234,224,.55);}
.spec-name{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;}
.spec-name .dot{width:8px;height:8px;border-radius:50%;background:var(--orange);flex:0 0 auto;}
.spec-desc{color:var(--ink-2);}
.spec-desc b{color:var(--ink);}

/* ---------- FAQ ---------- */
.faq{max-width:900px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;gap:16px;
  background:none;border:0;padding:22px 0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:500;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--orange);}
.faq-idx{
  flex:0 0 auto;font-size:14px;font-weight:800;color:var(--muted);min-width:30px;
  font-family:"DIN Alternate","Barlow Condensed",Inter,Arial,sans-serif;
  transition:color .25s var(--ease);
}
.faq-item.open .faq-idx{color:var(--lime);}
.faq-icon{
  margin-left:auto;flex:0 0 auto;width:20px;height:20px;position:relative;top:6px;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink);transition:transform .25s var(--ease),opacity .25s var(--ease);
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease);}
.faq-a-inner{padding:0 46px 26px 46px;color:var(--ink-2);}

/* ---------- 相关入口卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-m);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--lime);}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:19px;}
.card-body p{font-size:15px;color:var(--ink-2);}
.card-link{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--ink);
}
.card-link .arrow{transition:transform .25s var(--ease);}
.card:hover .card-link .arrow{transform:translateX(5px);}

/* ---------- CTA / 表单 ---------- */
.cta-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.cta-list{margin-top:26px;display:grid;gap:14px;}
.cta-list li{display:flex;gap:12px;color:rgba(255,255,255,.82);font-size:16px;}
.cta-list li::before{
  content:"";flex:0 0 auto;width:18px;height:18px;margin-top:6px;border-radius:50%;
  background:rgba(199,245,59,.18);border:1px solid var(--lime);
}
.form{background:var(--white);border-radius:var(--r-m);padding:30px;border:1px solid var(--line);}
.form-row{display:grid;gap:16px;grid-template-columns:1fr 1fr;}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;}
.field label{font-size:14px;font-weight:600;color:var(--ink-2);}
.field input,.field select,.field textarea{
  border:1px solid var(--line);border-radius:var(--r-s);background:var(--paper);
  padding:12px 14px;font-size:15px;color:var(--ink);width:100%;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{min-height:120px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--lime);background:var(--white);
  box-shadow:0 0 0 3px rgba(199,245,59,.35);
}
.field input.is-error,.field textarea.is-error{border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,90,54,.15);}
.field input.is-success,.field textarea.is-success{border-color:var(--lime);}
.field-hint{font-size:13px;color:var(--muted);}
.form-foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:6px;}
.form-note{font-size:13px;color:var(--muted);}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 24px;border-radius:var(--r-pill);
  background:var(--ink);color:var(--lime);font-size:15px;font-weight:700;
  box-shadow:0 16px 34px rgba(16,17,14,.28);
  opacity:0;visibility:hidden;transform:translateY(14px) scale(.96);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s,background .2s var(--ease),color .2s var(--ease);
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0) scale(1);}
.float-cta:hover{background:var(--lime);color:var(--ink);}
.float-cta .pulse{
  width:8px;height:8px;border-radius:50%;background:var(--orange);
}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--ink);color:var(--white);padding:72px 0 30px;margin-top:0;}
.foot-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.14);
}
.foot-brand b{font-size:20px;display:block;margin-bottom:14px;letter-spacing:-.01em;}
.foot-brand p{color:rgba(255,255,255,.66);font-size:15px;max-width:340px;}
.foot-col h4{
  font-size:14px;font-weight:700;letter-spacing:.06em;color:var(--lime);
  text-transform:uppercase;margin-bottom:16px;
}
.foot-col a{
  display:block;font-size:15px;color:rgba(255,255,255,.72);padding:6px 0;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.foot-col a:hover{color:var(--lime);transform:translateX(3px);}
.foot-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding-top:24px;font-size:13.5px;color:rgba(255,255,255,.5);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .55s var(--ease),transform .55s var(--ease);}
.reveal.in{opacity:1;transform:none;}

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

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .alt-row{gap:40px;}
  .foot-top{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:1024px){
  .nav{
    position:fixed;top:0;left:0;bottom:0;width:min(300px,84vw);
    background:var(--paper);flex-direction:column;align-items:stretch;gap:4px;
    padding:84px 18px 30px;margin-left:0;
    transform:translateX(-102%);transition:transform .3s var(--ease);
    box-shadow:0 20px 60px rgba(0,0,0,.22);border-right:1px solid var(--line);
    z-index:95;
  }
  .topbar.nav-open .nav{transform:none;}
  .nav a{padding:13px 16px;border-radius:10px;font-size:16px;}
  .menu-btn{display:inline-flex;}
  .nav-mask{
    display:none;position:fixed;inset:0;background:rgba(16,17,14,.5);z-index:90;
  }
  .topbar.nav-open .nav-mask{display:block;}
  .section{padding:72px 0;}
  .alt-row{grid-template-columns:1fr;gap:26px;padding:34px 0;}
  .alt-row.reverse .alt-media{order:0;}
  .cta-wrap{grid-template-columns:1fr;gap:36px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .foot-top{grid-template-columns:1fr 1fr;}
  .hero-inner{padding-top:72px;}
  .anchor-bar{top:62px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .hero-stats{grid-template-columns:1fr;border-top:1px solid rgba(255,255,255,.16);}
  .hero-stat{border-right:0;border-bottom:1px solid rgba(255,255,255,.16);padding:20px 0;}
  .hero-stat:last-child{border-bottom:0;}
  .spec-row{grid-template-columns:1fr;gap:10px;padding:20px 0;}
  .step{grid-template-columns:52px 1fr;gap:16px;}
  .step-num{width:52px;height:52px;font-size:17px;}
  .step::before{left:25px;top:56px;}
  .faq-a-inner{padding:0 0 22px 46px;}
  .card-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .form{padding:22px;}
  .foot-top{grid-template-columns:1fr;gap:26px;}
  .float-cta{
    right:12px;left:12px;bottom:12px;justify-content:center;
    padding:14px 18px;font-size:14.5px;
  }
  .section-head{margin-bottom:34px;}
}
@media (max-width:520px){
  h1{font-size:clamp(26px,7.4vw,34px);}
  h2{font-size:clamp(22px,6.4vw,28px);}
  .hero-inner{padding-top:56px;}
  .hero-actions .btn{width:100%;}
  .alt-num{font-size:44px;}
  .faq-q{font-size:16px;gap:12px;}
  .faq-a-inner{padding-left:42px;}
  .brand-text b{font-size:16px;}
  .brand-mark{width:34px;height:34px;font-size:13px;}
  .anchor-bar .container{padding-top:10px;padding-bottom:10px;}
}