/* roulang page: index */
:root{
  --ink:#101226;
  --ink-2:#1A1740;
  --indigo:#332C6B;
  --indigo-dark:#262052;
  --indigo-soft:rgba(51,44,107,.08);
  --teal:#3CC3B3;
  --sand:#E0B15C;
  --bg:#F7F8FA;
  --paper:#FFFFFF;
  --soft:#EEF0F4;
  --text:#14161C;
  --text-2:#5A6070;
  --text-3:#8C93A0;
  --line:#E3E5EA;
  --radius:10px;
  --radius-btn:8px;
  --radius-lg:14px;
  --shadow-1:0 1px 2px rgba(16,18,38,.06);
  --shadow-2:0 8px 24px rgba(16,18,38,.10);
  --shadow-3:0 24px 64px rgba(16,18,38,.28);
  --container:1200px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}

*,*::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:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:4px}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

.section{padding:96px 0}
.section--soft{background:var(--soft)}
.section--paper{background:var(--paper)}

.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.18em;
  color:var(--indigo);
  text-transform:uppercase;
  font-weight:600;
  padding-left:14px;
  position:relative;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  width:8px;height:1px;
  background:var(--teal);
}
.section-title{
  font-size:clamp(24px,2.6vw,34px);
  font-weight:700;
  line-height:1.28;
  letter-spacing:-.01em;
  color:var(--text);
}
.section-head{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:32px;
  align-items:end;
  margin-bottom:52px;
}
.section-head__desc{
  font-size:15px;
  color:var(--text-2);
  line-height:1.85;
  max-width:520px;
  justify-self:end;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .15s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn svg{transition:transform .2s ease}
.btn:hover svg{transform:translateX(3px)}
.btn--primary{background:var(--indigo);color:#fff;box-shadow:var(--shadow-1)}
.btn--primary:hover{background:var(--indigo-dark)}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{border:1px solid var(--indigo);color:var(--indigo);background:transparent}
.btn--ghost:hover{background:var(--indigo-soft)}
.btn--ghost:active{transform:translateY(1px)}
.btn--light{background:#fff;color:var(--ink)}
.btn--light:hover{background:#E9EBF2}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--indigo);
  border-bottom:1px solid var(--line);
  padding-bottom:2px;
}
.link-arrow:hover{color:var(--teal);border-color:var(--teal)}
.link-arrow::after{content:"→";font-family:var(--mono);transition:transform .2s ease}
.link-arrow:hover::after{transform:translateX(3px)}

/* ---------- topbar ---------- */
.topbar{
  background:var(--ink);
  color:#E8EAF2;
  font-size:12.5px;
  line-height:1.5;
}
.topbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:38px;
  padding-top:6px;
  padding-bottom:6px;
}
.topbar__left{display:flex;align-items:center;gap:12px;min-width:0}
.topbar__brand{font-weight:600;color:#fff;white-space:nowrap}
.topbar__sep{width:1px;height:12px;background:rgba(255,255,255,.22);flex:none}
.topbar__note{color:rgba(232,234,242,.72);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar__right{display:flex;align-items:center;gap:18px;flex:none}
.topbar__link{
  color:#fff;
  border-bottom:1px solid rgba(60,195,179,.6);
  padding-bottom:1px;
  font-size:12.5px;
}
.topbar__link:hover{color:var(--teal);border-color:var(--teal)}
.topbar__link--muted{color:rgba(232,234,242,.72);border-color:transparent}
.topbar__link--muted:hover{color:#fff;border-color:rgba(255,255,255,.4)}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(247,248,250,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{background:#fff;box-shadow:0 2px 14px rgba(16,18,38,.08)}
.header__inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:74px;
  transition:height .25s ease;
}
.site-header.is-scrolled .header__inner{height:62px}

.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo__mark{
  width:34px;height:34px;flex:none;
  border-radius:9px;
  background:linear-gradient(150deg,var(--indigo),#4A3F92);
  display:flex;align-items:center;justify-content:center;
}
.logo__mark svg{width:18px;height:18px}
.logo__text{
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--ink);
  line-height:1.2;
}
.logo__suffix{font-weight:600;color:var(--text-2);font-size:15px}

.nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav__link{
  position:relative;
  padding:10px 14px;
  font-size:15px;
  color:var(--text-2);
  border-radius:6px;
  transition:color .2s ease;
}
.nav__link:hover{color:var(--indigo)}
.nav__link.is-active{color:var(--indigo);font-weight:600}
.nav__link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:1px;
  height:2px;
  background:var(--indigo);
  border-radius:2px;
}

.header__actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:8px;
  border:1px solid var(--line);
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

.nav-scrim{
  position:fixed;inset:0;background:rgba(16,18,38,.45);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:85;
}
.nav-scrim.is-open{opacity:1;visibility:visible}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--bg);overflow:hidden}
.hero::before{
  content:"";
  position:absolute;
  right:-6%;bottom:-18%;
  width:760px;height:560px;
  background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  opacity:.08;
  pointer-events:none;
}
.hero__stars{
  position:absolute;
  right:36px;bottom:48px;
  width:320px;height:200px;
  background-image:radial-gradient(circle,rgba(60,195,179,.9) 1px,transparent 1.4px);
  background-size:24px 24px;
  opacity:.08;
  pointer-events:none;
  mask-image:linear-gradient(135deg,transparent 5%,#000 85%);
  -webkit-mask-image:linear-gradient(135deg,transparent 5%,#000 85%);
}
.hero__grid{
  position:relative;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:56px;
  align-items:center;
  padding:84px 0 92px;
}
.hero__tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  font-weight:600;
  color:var(--indigo);
  background:var(--indigo-soft);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:22px;
}
.hero__tag i{width:6px;height:6px;border-radius:50%;background:var(--teal);display:block}
.hero h1{
  font-size:clamp(30px,4.2vw,54px);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.01em;
  color:var(--ink);
  margin-bottom:22px;
}
.hero h1 em{font-style:normal;color:var(--indigo)}
.hero__sub{
  font-size:17px;
  line-height:1.85;
  color:var(--text-2);
  max-width:560px;
  margin-bottom:32px;
}
.hero__actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:22px}
.hero__trust{
  display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--text-3);
}
.hero__trust i{display:block;width:22px;height:1px;background:var(--teal)}

.hero__media{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  min-height:400px;
  background:var(--ink);
}
.hero__media img{
  width:100%;height:430px;object-fit:cover;
  filter:saturate(.92);
}
.hero__media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,18,38,.18) 0%,rgba(16,18,38,.78) 100%);
}
.hero__media-card{
  position:absolute;
  left:24px;right:24px;bottom:24px;
  z-index:2;
  color:#fff;
}
.hero__media-label{
  display:inline-block;
  font-family:var(--mono);
  font-size:11.5px;
  letter-spacing:.12em;
  color:var(--teal);
  border:1px solid rgba(60,195,179,.5);
  border-radius:999px;
  padding:3px 10px;
  margin-bottom:12px;
}
.hero__media-card p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.88)}

/* ---------- pains ---------- */
.pains{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.pain{
  padding:32px 26px 8px;
  border-right:1px solid var(--line);
}
.pain:last-child{border-right:0;padding-right:0}
.pain:first-child{padding-left:0}
.pain__no{
  font-family:var(--mono);
  font-size:13px;
  color:var(--sand);
  letter-spacing:.1em;
  display:block;
  margin-bottom:14px;
}
.pain h3{font-size:17px;font-weight:600;line-height:1.6;margin-bottom:8px}
.pain p{font-size:14px;color:var(--text-2);line-height:1.75;margin-bottom:14px}

/* ---------- solutions ---------- */
.solutions__grid{
  display:grid;
  grid-template-columns:2fr 1fr;
  gap:24px;
  align-items:stretch;
}
.solution-main{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  display:grid;
  grid-template-columns:1fr 1fr;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.solution-main:hover{border-color:var(--teal);box-shadow:var(--shadow-2)}
.solution-main__media{overflow:hidden;position:relative;background:var(--soft)}
.solution-main__media img{
  width:100%;height:100%;min-height:340px;object-fit:cover;
  transition:transform .4s ease;
}
.solution-main:hover .solution-main__media img{transform:scale(1.03)}
.solution-main__body{padding:34px 32px;display:flex;flex-direction:column}
.s-index{
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:.12em;
  color:var(--indigo);
  margin-bottom:14px;
}
.solution-main__body h3{font-size:23px;font-weight:700;line-height:1.4;margin-bottom:12px}
.solution-main__body > p{font-size:14.5px;color:var(--text-2);line-height:1.8;margin-bottom:18px}
.check-list{margin-bottom:22px}
.check-list li{
  position:relative;
  padding-left:22px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.9;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:.68em;
  width:8px;height:1px;
  background:var(--teal);
}
.solution-main__body .link-arrow{margin-top:auto;align-self:flex-start}

.solutions__side{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.solution-mini{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
  padding:26px 24px;
  display:flex;
  flex-direction:column;
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.solution-mini:hover{border-color:var(--teal);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.solution-mini h3{font-size:17px;font-weight:600;line-height:1.5;margin:10px 0 8px}
.solution-mini p{font-size:13.5px;color:var(--text-2);line-height:1.75;margin-bottom:14px}
.solution-mini .link-arrow{margin-top:auto;align-self:flex-start;font-size:13.5px}

/* ---------- stats ---------- */
.stats{
  position:relative;
  background:var(--ink);
  color:#E9EBF2;
  overflow:hidden;
}
.stats::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent 0%,rgba(60,195,179,.65) 50%,transparent 100%);
}
.stats::after{
  content:"";
  position:absolute;
  left:50%;bottom:-120px;
  width:520px;height:260px;
  transform:translateX(-50%);
  background:url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
  opacity:.07;
  pointer-events:none;
}
.stats__inner{position:relative;z-index:2}
.stats__head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:24px;
  padding-top:64px;
  padding-bottom:12px;
}
.stats__head h2{font-size:22px;font-weight:700;color:#fff;line-height:1.4}
.stats__head span{font-size:13px;color:rgba(233,235,242,.6)}
.stats__grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  padding:34px 0 30px;
}
.stat{padding:0 28px;border-left:1px solid rgba(255,255,255,.1)}
.stat:first-child{border-left:0;padding-left:0}
.stat__num{
  font-family:var(--mono);
  font-size:clamp(30px,3.4vw,46px);
  font-weight:700;
  color:#fff;
  line-height:1;
  letter-spacing:-.02em;
}
.stat__unit{font-size:16px;color:var(--teal);margin-left:4px;font-weight:600}
.stat__label{font-size:13.5px;color:rgba(233,235,242,.66);margin-top:12px;line-height:1.6}
.stats__foot{
  border-top:1px solid rgba(255,255,255,.09);
  padding:20px 0 54px;
  font-size:12.5px;
  color:rgba(233,235,242,.52);
  line-height:1.8;
}

/* ---------- news ---------- */
.news__grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.post-card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
  padding:26px 24px;
  display:flex;
  flex-direction:column;
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.post-card:hover{border-color:var(--teal);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.tag{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  color:var(--indigo);
  background:var(--indigo-soft);
  border-radius:999px;
  padding:4px 12px;
  margin-bottom:14px;
  align-self:flex-start;
}
.post-card__title{
  font-size:17px;
  font-weight:600;
  line-height:1.55;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-card__title a:hover{color:var(--indigo)}
.post-card__desc{
  font-size:14px;
  color:var(--text-2);
  line-height:1.75;
  margin-bottom:18px;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-card__meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  color:var(--text-3);
}
.post-card__meta a{color:var(--indigo);font-weight:600}
.post-card__meta a:hover{color:var(--teal)}

.empty-state{
  grid-column:1/-1;
  border:1px dashed var(--line);
  border-radius:var(--radius);
  background:var(--paper);
  padding:56px 24px;
  text-align:center;
}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:16px}

/* ---------- faq ---------- */
.faq{max-width:860px;margin:0 auto}
.faq__item{border-bottom:1px solid var(--line)}
.faq__item:first-child{border-top:1px solid var(--line)}
.faq__q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:22px 0;
  text-align:left;
  font-size:16.5px;
  font-weight:500;
  color:var(--text);
  line-height:1.6;
  transition:color .2s ease;
}
.faq__q:hover{color:var(--indigo)}
.faq__icon{
  position:relative;
  width:16px;height:16px;flex:none;
}
.faq__icon::before,.faq__icon::after{
  content:"";
  position:absolute;
  background:var(--indigo);
  transition:transform .3s ease,opacity .3s ease;
}
.faq__icon::before{left:0;top:7.5px;width:16px;height:1px}
.faq__icon::after{left:7.5px;top:0;width:1px;height:16px}
.faq__item.is-open .faq__icon::after{transform:scaleY(0);opacity:0}
.faq__a{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
}
.faq__item.is-open .faq__a{max-height:400px}
.faq__a-inner{padding:0 44px 24px 0}
.faq__a-inner p{font-size:15.5px;line-height:1.9;color:var(--text-2)}
.faq__a-inner a{color:var(--indigo);border-bottom:1px solid var(--line)}
.faq__a-inner a:hover{color:var(--teal);border-color:var(--teal)}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;
  background:var(--ink-2);
  color:#fff;
  border-radius:16px;
  padding:52px 56px;
  overflow:hidden;
  display:flex;
  align-items:center;
  gap:40px;
  justify-content:space-between;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-40px;top:-40px;
  width:280px;height:280px;
  background-image:radial-gradient(circle,rgba(60,195,179,.85) 1px,transparent 1.4px);
  background-size:22px 22px;
  opacity:.09;
  pointer-events:none;
}
.cta-band__text{position:relative;z-index:2;max-width:640px}
.cta-band__text h2{font-size:clamp(21px,2.4vw,28px);font-weight:700;line-height:1.4;margin-bottom:12px}
.cta-band__text p{font-size:14.5px;color:rgba(255,255,255,.72);line-height:1.85}
.cta-band__actions{position:relative;z-index:2;display:flex;gap:12px;flex:none;flex-wrap:wrap}

/* ---------- privacy note ---------- */
.privacy-note{
  border-top:1px solid var(--line);
  padding:26px 0 8px;
}
.privacy-note p{font-size:13px;color:var(--text-3);line-height:1.9;max-width:900px}
.privacy-note strong{color:var(--text-2);font-weight:600}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(233,235,242,.72);padding:72px 0 0;font-size:13.5px}
.footer__grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.2fr;
  gap:44px;
  padding-bottom:52px;
}
.footer__logo{font-size:17px;font-weight:800;color:#fff;margin-bottom:14px;line-height:1.4}
.footer__brand p{line-height:1.9;max-width:320px;color:rgba(233,235,242,.66)}
.footer__col h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:18px;
  line-height:1.5;
}
.footer__col li{line-height:1.9;margin-bottom:8px}
.footer__col a{color:rgba(233,235,242,.72)}
.footer__col a:hover{color:var(--teal)}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.09);
  padding:22px 0 30px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:rgba(233,235,242,.45);
}
.footer__bottom a{color:rgba(233,235,242,.6)}
.footer__bottom a:hover{color:var(--teal)}

/* ---------- modal ---------- */
.modal{position:fixed;inset:0;z-index:120;display:none}
.modal.is-open{display:block}
.modal__backdrop{position:absolute;inset:0;background:rgba(16,18,38,.6);animation:fadeIn .22s ease}
.modal__dialog{
  position:relative;
  width:540px;
  max-width:calc(100% - 32px);
  margin:6vh auto;
  background:#fff;
  border-radius:var(--radius-lg);
  padding:32px;
  box-shadow:var(--shadow-3);
  max-height:88vh;
  overflow-y:auto;
  animation:slideUp .28s ease;
}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
.modal__title{font-size:21px;font-weight:700;line-height:1.45;margin-bottom:8px}
.modal__sub{font-size:13.5px;color:var(--text-2);line-height:1.8;margin-bottom:24px}
.modal__close{
  position:absolute;
  right:18px;top:18px;
  width:34px;height:34px;
  border-radius:8px;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;color:var(--text-2);
  line-height:1;
}
.modal__close:hover{border-color:var(--teal);color:var(--indigo)}
.field{margin-bottom:16px}
.field label{
  display:block;
  font-size:13.5px;
  font-weight:600;
  color:var(--text);
  margin-bottom:7px;
}
.field input,.field select,.field textarea{
  width:100%;
  min-height:46px;
  padding:11px 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:#fff;
  font-size:14.5px;
  line-height:1.6;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--teal);
  box-shadow:0 0 0 3px rgba(60,195,179,.16);
}
.field__row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.consent{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13px;
  color:var(--text-2);
  line-height:1.8;
  margin:20px 0 22px;
}
.consent input{width:16px;height:16px;margin-top:5px;accent-color:var(--indigo);flex:none}
.consent a{color:var(--indigo);border-bottom:1px solid var(--line)}
.modal__foot-note{font-size:12.5px;color:var(--text-3);line-height:1.8;margin-top:14px}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 24px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .container{padding:0 24px}
  .section-head{grid-template-columns:1fr;gap:16px;align-items:start;margin-bottom:36px}
  .section-head__desc{justify-self:start}

  .nav{
    position:fixed;
    top:0;right:0;bottom:0;
    width:288px;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    margin-left:0;
    padding:84px 20px 28px;
    transform:translateX(100%);
    transition:transform .3s ease;
    box-shadow:-8px 0 32px rgba(16,18,38,.14);
    z-index:90;
    overflow-y:auto;
  }
  .nav.is-open{transform:translateX(0)}
  .nav__link{
    padding:15px 12px;
    font-size:16px;
    border-bottom:1px solid var(--line);
    border-radius:0;
  }
  .nav__link.is-active{background:var(--indigo-soft);font-weight:600}
  .nav__link.is-active::after{display:none}
  .nav-toggle{display:flex}
  .header__inner{height:66px;gap:16px}
  .site-header.is-scrolled .header__inner{height:60px}

  .hero__grid{grid-template-columns:1fr;gap:36px;padding:56px 0 64px}
  .hero__media img{height:300px}
  .hero__media{min-height:300px}
  .hero__stars{display:none}

  .pains{grid-template-columns:1fr 1fr;border-top:0}
  .pain{
    border-right:0;
    border-top:1px solid var(--line);
    padding:26px 24px 6px 0;
  }
  .pain:nth-child(even){padding-left:24px;border-left:1px solid var(--line);padding-right:0}

  .solutions__grid{grid-template-columns:1fr}
  .solution-main{grid-template-columns:1fr}
  .solution-main__media img{min-height:240px;height:240px}
  .solutions__side{grid-template-rows:auto;grid-template-columns:1fr 1fr}

  .stats__grid{grid-template-columns:1fr 1fr;gap:32px 0;padding:28px 0 22px}
  .stat{padding:0 20px}
  .stat:nth-child(odd){border-left:0;padding-left:0}
  .stats__head{flex-direction:column;align-items:flex-start;gap:8px;padding-top:52px}

  .news__grid{grid-template-columns:1fr 1fr}

  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;gap:26px}

  .footer__grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .section{padding:48px 0}
  .container{padding:0 16px}
  .topbar__note,.topbar__link--muted{display:none}
  .logo__suffix{font-size:13px}

  .hero__grid{padding:40px 0 52px}
  .hero h1{font-size:clamp(27px,7.4vw,34px)}
  .hero__sub{font-size:15.5px}
  .hero__actions .btn{flex:1 1 100%}
  .hero__media img,.hero__media{height:250px;min-height:250px}

  .pains{grid-template-columns:1fr}
  .pain{padding:24px 0 4px;border-left:0 !important}
  .pain:nth-child(even){padding-left:0}

  .solutions__side{grid-template-columns:1fr}
  .solution-main__body{padding:26px 20px}
  .solution-main__body h3{font-size:20px}

  .stats__grid{grid-template-columns:1fr 1fr;gap:26px 0}
  .stat{padding:0 14px}
  .stat__num{font-size:30px}

  .news__grid{grid-template-columns:1fr}

  .faq__q{font-size:16px;padding:18px 0}
  .faq__a-inner{padding-right:8px}

  .cta-band{padding:32px 22px;border-radius:12px}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{flex:1 1 100%}

  .footer__grid{grid-template-columns:1fr;gap:30px;padding-bottom:38px}
  .site-footer{padding-top:52px}

  .modal__dialog{
    width:100%;
    max-width:100%;
    margin:0;
    height:100vh;
    max-height:100vh;
    border-radius:0;
    padding:24px 18px 40px;
  }
  .field__row{grid-template-columns:1fr}
  .modal__close{right:14px;top:14px}
}
@media (max-width:480px){
  .section{padding:40px 0}
  .hero__actions{gap:10px}
  .stat__num{font-size:26px}
  .stat__label{font-size:12.5px}
  .section-head{margin-bottom:28px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --ink:#101226;
  --indigo:#332C6B;
  --indigo-dark:#282253;
  --cyan:#3CC3B3;
  --sand:#E0B15C;
  --moon:#F7F8FA;
  --paper:#FFFFFF;
  --mist:#EEF0F4;
  --text:#14161C;
  --text2:#5A6070;
  --text3:#8C93A0;
  --line:#E3E5EA;
  --radius-card:10px;
  --radius-btn:8px;
  --radius-img:8px;
  --shadow-1:0 1px 2px rgba(16,18,38,.06);
  --shadow-2:0 8px 24px rgba(16,18,38,.10);
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --container:1200px;
}
*,*::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:1.85;
  color:var(--text);
  background:var(--moon);
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(16,18,38,.08)}
.header__inner{
  display:flex;align-items:center;gap:32px;
  height:72px;transition:height .25s ease;
}
.site-header.is-scrolled .header__inner{height:60px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em;flex-shrink:0}
.logo__mark{
  width:34px;height:34px;border-radius:9px;background:var(--indigo);
  display:grid;place-items:center;flex-shrink:0;
}
.logo__mark svg{width:20px;height:20px}
.logo__text{font-size:17px;color:var(--ink);white-space:nowrap}
.logo__suffix{font-size:13px;color:var(--text3);font-weight:600}
.nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav__link{
  position:relative;font-size:15px;color:var(--text2);
  padding:6px 0;transition:color .2s ease;white-space:nowrap;
}
.nav__link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--indigo);transition:width .25s ease;
}
.nav__link:hover{color:var(--indigo)}
.nav__link:hover::after{width:100%}
.nav__link.is-active{color:var(--ink);font-weight:600}
.nav__link.is-active::after{width:100%}
.header__actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);
  background:var(--paper);border-radius:8px;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;cursor:pointer;text-align:center;
  transition:background-color .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.btn--primary{background:var(--indigo);color:#FFFFFF}
.btn--primary:hover{background:var(--indigo-dark);box-shadow:var(--shadow-2)}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{background:transparent;border-color:var(--indigo);color:var(--indigo)}
.btn--ghost:hover{background:rgba(51,44,107,.08)}
.btn--light{background:#FFFFFF;color:var(--ink)}
.btn--light:hover{background:var(--mist)}
.btn--sm{height:42px;padding:0 20px;font-size:14px}
.btn--lg{height:48px;padding:0 26px}
.btn--block{width:100%}
.btn__arrow{transition:transform .2s ease}
.btn:hover .btn__arrow{transform:translateX(3px)}
.btn[disabled]{opacity:.45;cursor:not-allowed}

/* Article hero */
.post-hero{
  position:relative;overflow:hidden;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  padding:36px 0 52px;
}
.post-hero::after{
  content:"";position:absolute;right:24px;bottom:-10px;width:260px;height:200px;
  background-image:radial-gradient(rgba(51,44,107,.16) 1px,transparent 1px);
  background-size:14px 14px;
  opacity:.5;pointer-events:none;
}
.breadcrumb{
  position:relative;z-index:1;
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text3);
}
.breadcrumb a{transition:color .2s ease}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb__sep{color:var(--line)}
.breadcrumb__current{
  color:var(--text2);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.post-cat{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;border-radius:999px;
  background:rgba(224,177,92,.16);color:#8A6216;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.post-title{
  position:relative;z-index:1;
  font-size:clamp(28px,3.6vw,44px);font-weight:800;line-height:1.24;letter-spacing:-.01em;
  color:var(--ink);max-width:920px;margin:18px 0 20px;
}
.post-meta{
  position:relative;z-index:1;
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:13px;color:var(--text3);
}
.post-meta__sep{color:var(--line)}

/* Article body */
.article-main{padding:56px 0 88px}
.article-shell{
  max-width:760px;margin:0 auto;background:var(--paper);
  border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:48px 56px 56px;
}
.article-lead{
  border-left:3px solid var(--indigo);
  padding:2px 0 2px 20px;
  font-size:17px;line-height:1.85;color:var(--text2);
  margin-bottom:36px;
}
.article-body{font-size:16px;line-height:1.9;color:var(--text)}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:25px;line-height:1.42;font-weight:700;margin:2em 0 .8em;
  padding-left:14px;border-left:3px solid var(--indigo);color:var(--ink);
}
.article-body h3{font-size:19px;line-height:1.5;font-weight:600;margin:1.6em 0 .7em;color:var(--ink)}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .6em;color:var(--ink)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.5em}
.article-body li{margin:.45em 0;color:var(--text2)}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body img{border-radius:var(--radius-img);border:1px solid var(--line);margin:1.4em auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--text3);text-align:center;margin-top:10px}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--mist);
  border-left:3px solid var(--cyan);border-radius:0 8px 8px 0;
  color:var(--text2);font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-body th,.article-body td{border-bottom:1px solid var(--line);padding:12px 14px;text-align:left}
.article-body thead th{background:var(--mist);color:var(--text2);font-weight:600}
.article-body a{color:var(--cyan);border-bottom:1px solid rgba(60,195,179,.45);transition:border-color .2s ease}
.article-body a:hover{border-bottom-color:var(--cyan)}
.article-body strong{font-weight:700;color:var(--ink)}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0}
.article-empty{padding:24px 0 8px;text-align:center}
.article-empty h2{font-size:22px;font-weight:700;color:var(--ink);margin-bottom:10px}
.article-empty p{color:var(--text2);font-size:15px;margin-bottom:22px}

/* Related */
.related{padding:0 0 72px}
.related__head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:28px;
}
.related__head h2{font-size:26px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.related__head p{font-size:14px;color:var(--text3);margin-top:8px}
.related__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  display:flex;flex-direction:column;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.post-card:hover{border-color:var(--cyan);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.post-card__thumb{aspect-ratio:16/10;overflow:hidden;background:var(--mist)}
.post-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-card__thumb img{transform:scale(1.03)}
.post-card__body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card__tag{
  align-self:flex-start;font-size:12px;font-weight:600;letter-spacing:.02em;
  color:var(--indigo);background:rgba(51,44,107,.08);
  padding:3px 10px;border-radius:999px;
}
.post-card__title{
  font-size:17px;font-weight:700;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__meta{margin-top:auto;font-size:13px;color:var(--text3)}
.post-card__link{font-size:13.5px;font-weight:600;color:var(--indigo);border-bottom:1px solid rgba(51,44,107,.3);align-self:flex-start}
.post-card:hover .post-card__link{color:var(--cyan);border-bottom-color:var(--cyan)}

/* Back links */
.backlinks{
  display:flex;flex-wrap:wrap;gap:28px;align-items:center;
  padding:26px 0 0;border-top:1px solid var(--line);margin-top:8px;
}
.textlink{
  font-size:14px;font-weight:600;color:var(--indigo);
  border-bottom:1px solid rgba(51,44,107,.35);padding-bottom:2px;
  transition:color .2s ease,border-color .2s ease;
}
.textlink:hover{color:var(--cyan);border-bottom-color:var(--cyan)}

/* CTA band */
.cta-band{background:var(--ink);color:#FFFFFF;padding:66px 0}
.cta-band__inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.4;color:#FFFFFF;letter-spacing:-.01em}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin-top:14px;max-width:660px;line-height:1.85}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-band__rule{height:1px;background:rgba(255,255,255,.14);margin:44px 0 0}

/* Privacy note */
.privacy-note{background:var(--mist);padding:26px 0}
.privacy-note p{font-size:13px;line-height:1.9;color:var(--text3);max-width:900px}

/* Footer */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 32px}
.footer__grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer__logo{font-size:17px;font-weight:800;color:#FFFFFF;margin-bottom:16px}
.footer__brand p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.62);max-width:380px}
.footer__col h4{font-size:14px;font-weight:600;color:#FFFFFF;margin-bottom:16px}
.footer__col ul{display:flex;flex-direction:column;gap:10px}
.footer__col li{font-size:13.5px;line-height:1.7}
.footer__col a{transition:color .2s ease}
.footer__col a:hover{color:var(--cyan)}
.footer__bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;font-size:13px;color:rgba(255,255,255,.45);
}

/* Modal */
.modal{position:fixed;inset:0;z-index:120;display:none}
.modal.is-open{display:block}
.modal__mask{position:absolute;inset:0;background:rgba(16,18,38,.62)}
.modal__inner{
  position:relative;min-height:100%;display:flex;align-items:center;justify-content:center;
  padding:32px 16px;
}
.modal__panel{
  position:relative;width:100%;max-width:540px;background:#FFFFFF;
  border-radius:14px;box-shadow:0 24px 60px rgba(16,18,38,.28);
  padding:34px 34px 30px;max-height:calc(100vh - 64px);overflow:auto;
}
.modal__close{
  position:absolute;top:16px;right:16px;width:34px;height:34px;
  border:1px solid var(--line);background:#FFFFFF;border-radius:8px;
  cursor:pointer;display:grid;place-items:center;font-size:18px;color:var(--text2);
  transition:border-color .2s ease,color .2s ease;
}
.modal__close:hover{border-color:var(--cyan);color:var(--cyan)}
.modal__panel h3{font-size:22px;font-weight:700;color:var(--ink)}
.modal__desc{font-size:14px;color:var(--text2);margin-top:10px;line-height:1.85}
.field{margin-top:18px}
.field__label{display:block;font-size:13px;font-weight:600;color:var(--text2);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;
  border:1px solid var(--line);border-radius:8px;background:#FFFFFF;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:96px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--cyan);outline:none;box-shadow:0 0 0 3px rgba(60,195,179,.16);
}
.field--check{display:flex;align-items:flex-start;gap:10px;margin-top:20px}
.field--check input{width:16px;height:16px;margin-top:5px;flex-shrink:0;accent-color:var(--indigo)}
.field--check label{font-size:13px;color:var(--text2);line-height:1.75}
.form__note{font-size:13px;color:var(--text3);line-height:1.85;margin-top:12px}
.form__submit{margin-top:22px}
.form__success{
  display:none;align-items:flex-start;gap:10px;
  margin-top:18px;padding:14px 16px;border-radius:8px;
  background:rgba(60,195,179,.12);color:#1E7A6F;font-size:13.5px;line-height:1.8;
}
.form__success.is-visible{display:flex}
.form__error{
  display:none;margin-top:10px;font-size:12.5px;color:#B4582F;
}
.form__error.is-visible{display:block}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease}
.reveal.is-visible{opacity:1;transform:none}

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

@media (max-width:1023px){
  .container{padding:0 24px}
  .nav{
    position:fixed;top:0;left:0;z-index:70;
    width:min(320px,86vw);height:100%;
    background:#FFFFFF;flex-direction:column;align-items:flex-start;
    gap:0;padding:96px 24px 32px;margin-left:0;
    transform:translateX(-102%);transition:transform .3s ease;
    box-shadow:12px 0 40px rgba(16,18,38,.14);overflow-y:auto;
  }
  .nav.is-open{transform:translateX(0)}
  .nav__link{width:100%;font-size:17px;padding:14px 0;border-bottom:1px solid var(--line)}
  .nav__link::after{display:none}
  .nav-toggle{display:flex}
  .related__grid{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
  .article-shell{padding:40px 36px 44px}
}
@media (max-width:767px){
  .header__inner{height:64px;gap:16px}
  .site-header.is-scrolled .header__inner{height:58px}
  .logo__text{font-size:15px}
  .logo__suffix{font-size:12px}
  .post-hero{padding:24px 0 36px}
  .post-title{margin:14px 0 16px}
  .article-main{padding:36px 0 60px}
  .article-shell{padding:28px 20px 32px;border-radius:var(--radius-card)}
  .article-lead{font-size:15.5px;padding-left:16px}
  .article-body{font-size:15.5px;line-height:1.9}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:17.5px}
  .related{padding-bottom:52px}
  .related__head{flex-direction:column;align-items:flex-start;gap:10px}
  .related__grid{grid-template-columns:1fr}
  .cta-band{padding:48px 0}
  .cta-band__actions{width:100%}
  .footer__grid{grid-template-columns:1fr;gap:28px}
  .footer__bottom{flex-direction:column;gap:8px}
  .modal__inner{padding:0;align-items:stretch}
  .modal__panel{max-width:none;min-height:100%;border-radius:0;max-height:none;padding:72px 20px 32px}
}
@media (max-width:480px){
  .container{padding:0 16px}
  .btn--lg{width:100%}
  .cta-band__actions{flex-direction:column}
  .article-shell{padding:24px 16px 28px}
}

/* roulang page: category1 */
:root{
  --ink:#101226;
  --indigo:#332C6B;
  --indigo-dark:#282253;
  --indigo-soft:rgba(51,44,107,.08);
  --cyan:#3CC3B3;
  --cyan-soft:rgba(60,195,179,.12);
  --sand:#E0B15C;
  --bg:#F7F8FA;
  --paper:#FFFFFF;
  --soft:#EEF0F4;
  --text:#14161C;
  --text2:#5A6070;
  --text3:#8C93A0;
  --line:#E3E5EA;
  --radius:10px;
  --radius-sm:8px;
  --radius-pill:999px;
  --shadow:0 1px 2px rgba(16,18,38,.06);
  --shadow-hover:0 8px 24px rgba(16,18,38,.10);
  --container:1200px;
  --gap:24px;
  --sect:96px;
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:"SFMono-Regular",Consolas,"Roboto Mono",Menlo,monospace;
}
*,*::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:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .22s ease}
img{max-width:100%;display:block;border-radius:var(--radius-sm)}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--text)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:var(--sect) 0}
.section--soft{background:var(--soft)}
.section--tight{padding-top:64px}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--ink);
  color:#DDE1EC;
  font-size:12.5px;
  line-height:1;
  min-height:38px;
  display:flex;
  align-items:center;
  letter-spacing:.01em;
}
.topbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:38px;
  width:100%;
}
.topbar__left{display:flex;align-items:center;gap:10px;color:#B9BFD0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar__dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);flex:0 0 auto;box-shadow:0 0 0 3px rgba(60,195,179,.18)}
.topbar__right{display:flex;align-items:center;gap:20px;white-space:nowrap}
.topbar__link{color:#E8EAF2;border-bottom:1px solid rgba(232,234,242,.35);padding-bottom:1px}
.topbar__link:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.topbar__link--muted{color:#9AA2B6;border-bottom-color:transparent}
.topbar__link--muted:hover{color:#DDE1EC}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(247,248,250,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-compact{box-shadow:0 2px 12px rgba(16,18,38,.07);background:rgba(255,255,255,.97)}
.header__inner{
  display:flex;
  align-items:center;
  gap:36px;
  min-height:74px;
  transition:min-height .25s ease;
}
.site-header.is-compact .header__inner{min-height:60px}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo__mark{
  width:34px;height:34px;flex:0 0 auto;
  display:grid;place-items:center;
  border-radius:9px;
  background:var(--indigo);
  border:1px solid rgba(255,255,255,.14);
}
.logo__mark svg{width:19px;height:19px}
.logo__text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--text);white-space:nowrap}
.logo__suffix{font-size:12px;font-weight:500;color:var(--text3);letter-spacing:0}
.nav{display:flex;align-items:center;gap:30px;margin-left:auto}
.nav__link{
  position:relative;
  font-size:15px;
  color:var(--text2);
  padding:8px 2px;
  white-space:nowrap;
}
.nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:var(--cyan);transform:scaleX(0);transform-origin:left;
  transition:transform .26s ease;
}
.nav__link:hover{color:var(--text)}
.nav__link:hover::after{transform:scaleX(1)}
.nav__link.is-active{color:var(--text);font-weight:600}
.nav__link.is-active::after{transform:scaleX(1);background:var(--indigo)}
.header__actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:var(--paper);
  padding:11px 10px;
  flex-direction:column;justify-content:space-between;
}
.nav-toggle span{display:block;height:1.6px;background:var(--text);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7.4px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7.4px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;
  border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;
  letter-spacing:.01em;
  transition:background .22s ease,border-color .22s ease,color .22s ease,transform .16s ease,box-shadow .22s ease;
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;transition:transform .22s ease}
.btn:hover svg{transform:translateX(3px)}
.btn--primary{background:var(--indigo);color:#F7F8FA}
.btn--primary:hover{background:var(--indigo-dark);box-shadow:var(--shadow-hover)}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{background:transparent;color:var(--indigo);border:1px solid var(--indigo)}
.btn--ghost:hover{background:var(--indigo-soft)}
.btn--ghost:active{transform:translateY(1px)}
.btn--light{background:#F7F8FA;color:var(--ink)}
.btn--light:hover{background:#FFFFFF;box-shadow:0 8px 24px rgba(0,0,0,.18)}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.btn--block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;box-shadow:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--indigo);
  border-bottom:1px solid var(--line);
  padding-bottom:2px;
  transition:border-color .22s ease,color .22s ease;
}
.link-arrow svg{width:14px;height:14px;transition:transform .22s ease}
.link-arrow:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.link-arrow:hover svg{transform:translateX(3px)}

/* ---------- 通用排版 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.14em;
  color:var(--text3);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--cyan)}
.section-head{max-width:760px;margin-bottom:52px}
.section-head h2{
  font-size:clamp(26px,3vw,36px);
  font-weight:700;line-height:1.26;letter-spacing:-.01em;
  margin:14px 0 16px;
}
.section-head p{font-size:16px;color:var(--text2);line-height:1.85}
.tag{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;
  border-radius:var(--radius-pill);
  background:var(--soft);
  color:var(--text2);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.tag--cyan{background:var(--cyan-soft);color:#1F7F74}
.tag--sand{background:rgba(224,177,92,.18);color:#8A6420}
.tag--indigo{background:var(--indigo-soft);color:var(--indigo)}
.num-badge{
  font-family:var(--mono);
  font-size:12.5px;font-weight:700;
  color:#7D6524;
  background:rgba(224,177,92,.2);
  border-radius:6px;
  padding:2px 8px;
  letter-spacing:.06em;
}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  padding:72px 0 88px;
  background:var(--bg);
  overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;right:-60px;top:20px;width:420px;height:420px;
  background-image:radial-gradient(rgba(51,44,107,.16) 1px,transparent 1px);
  background-size:18px 18px;
  opacity:.5;pointer-events:none;
}
.cat-hero__grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:56px;
  align-items:center;
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text3);margin-bottom:20px}
.crumb a:hover{color:var(--cyan)}
.crumb span{color:var(--line)}
.cat-hero h1{
  font-size:clamp(30px,4.2vw,50px);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.01em;
  margin:14px 0 20px;
}
.cat-hero h1 em{font-style:normal;color:var(--indigo);display:block}
.cat-hero__lead{font-size:17px;color:var(--text2);max-width:560px;line-height:1.9}
.cat-hero__cta{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-top:34px}
.cat-hero__trust{
  display:flex;align-items:center;gap:10px;
  margin-top:26px;font-size:13.5px;color:var(--text3);
}
.cat-hero__trust b{color:var(--text2);font-weight:600}
.live-strip{
  display:inline-flex;align-items:center;gap:10px;
  margin-top:28px;
  padding:9px 16px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  font-size:13px;color:var(--text2);
  box-shadow:var(--shadow);
}
.live-strip i{
  width:7px;height:7px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 0 3px rgba(60,195,179,.16);
  animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
.cat-hero__media{position:relative}
.cat-hero__media figure{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.cat-hero__media img{width:100%;height:420px;object-fit:cover;border-radius:0}
.cat-hero__media figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,18,38,.18),rgba(16,18,38,.55));
}
.cat-hero__badge{
  position:absolute;left:20px;bottom:20px;right:20px;
  color:#F2F4F9;font-size:13.5px;line-height:1.7;
  z-index:2;
}
.cat-hero__badge strong{display:block;font-size:15px;font-weight:700;margin-bottom:2px;color:#FFFFFF}

/* ---------- 服务分组卡 ---------- */
.svc-grid{
  display:grid;
  grid-template-columns:2fr 1fr;
  gap:var(--gap);
}
.card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow);
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.card:hover{border-color:var(--cyan);box-shadow:var(--shadow-hover)}
.card--feature{padding:36px;display:flex;flex-direction:column}
.card__head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.card h3{font-size:22px;font-weight:600;line-height:1.4;letter-spacing:-.005em}
.card__desc{font-size:14.5px;color:var(--text2);line-height:1.8}
.card__figure{
  margin:24px 0 0;
  border-radius:var(--radius-sm);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/10;
}
.card__figure img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .45s ease}
.card:hover .card__figure img{transform:scale(1.03)}
.points{display:grid;gap:10px;margin-top:22px}
.points li{display:flex;gap:10px;font-size:14.5px;color:var(--text2);line-height:1.75}
.points li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;margin-top:9px;
  border-radius:50%;background:var(--cyan);
}
.card__foot{margin-top:26px;padding-top:20px;border-top:1px solid var(--line)}
.svc-side{display:grid;gap:var(--gap)}
.svc-side .card{padding:24px}
.svc-side .card h3{font-size:18px}
.svc-side .card .card__desc{margin-bottom:14px}

/* ---------- 说明型内容块 ---------- */
.split{
  display:grid;
  grid-template-columns:5fr 6fr;
  gap:64px;
  align-items:center;
}
.split--reverse{grid-template-columns:6fr 5fr}
.split--reverse .split__media{order:2}
.split__media{
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.split__media img{width:100%;height:360px;object-fit:cover;border-radius:0}
.split h2{
  font-size:clamp(24px,2.6vw,32px);
  font-weight:700;line-height:1.3;letter-spacing:-.01em;
  margin:16px 0 18px;
}
.split p{font-size:16px;color:var(--text2);line-height:1.9}
.split__meta{
  display:flex;gap:32px;margin-top:28px;padding-top:24px;border-top:1px solid var(--line);
}
.split__meta div strong{
  display:block;font-family:var(--mono);
  font-size:24px;font-weight:700;color:var(--indigo);line-height:1.2;
}
.split__meta div span{font-size:13px;color:var(--text3)}

/* ---------- 交付时间表 ---------- */
.timeline{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:0;
  border-top:1px solid var(--line);
}
.timeline__item{
  position:relative;
  padding:30px 22px 6px 0;
  border-right:1px dashed var(--line);
}
.timeline__item:last-child{border-right:0;padding-right:0}
.timeline__scale{
  font-family:var(--mono);
  font-size:11.5px;letter-spacing:.12em;
  color:var(--text3);
}
.timeline__dot{
  position:absolute;top:-4.5px;left:0;
  width:9px;height:9px;border-radius:50%;
  background:var(--paper);
  border:2px solid var(--indigo);
}
.timeline__item h3{font-size:17px;font-weight:600;margin:14px 0 10px}
.timeline__item p{font-size:14px;color:var(--text2);line-height:1.75}

/* ---------- 服务模式对比 ---------- */
.compare-wrap{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  overflow-x:auto;
}
table.compare{
  width:100%;
  min-width:720px;
  border-collapse:collapse;
  font-size:14.5px;
}
table.compare th,table.compare td{
  text-align:left;
  padding:18px 20px;
  border-bottom:1px solid var(--line);
  vertical-align:top;
  line-height:1.75;
  color:var(--text2);
}
table.compare thead th{
  background:var(--soft);
  color:var(--text);
  font-weight:600;
  font-size:14px;
  border-bottom:1px solid var(--line);
}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare tbody tr:hover td{background:rgba(60,195,179,.05)}
table.compare td:first-child{color:var(--text);font-weight:600;white-space:nowrap}

/* ---------- 数据带 ---------- */
.stats{
  background:var(--ink);
  color:#EDEFF6;
  padding:72px 0;
  position:relative;
  overflow:hidden;
}
.stats::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(60,195,179,.6),transparent);
}
.stats__grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:32px;
}
.stat{position:relative;padding-left:22px}
.stat::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;
  background:rgba(255,255,255,.14);
}
.stat__num{
  font-family:var(--mono);
  font-size:clamp(30px,3.4vw,44px);
  font-weight:700;
  line-height:1.1;
  color:#FFFFFF;
  letter-spacing:-.02em;
}
.stat__num small{font-size:15px;font-weight:600;margin-left:4px;color:var(--cyan)}
.stat__label{margin-top:10px;font-size:14px;color:#B6BDD0;line-height:1.7}
.stats__note{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:#8E96AC;line-height:1.8;
}

/* ---------- FAQ ---------- */
.faq{max-width:860px}
.faq__item{
  border-bottom:1px solid var(--line);
}
.faq__item:first-child{border-top:1px solid var(--line)}
.faq__q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  text-align:left;
  padding:24px 0;
  font-size:16.5px;font-weight:500;color:var(--text);
  transition:color .22s ease;
}
.faq__q:hover{color:var(--indigo)}
.faq__icon{
  position:relative;flex:0 0 auto;
  width:20px;height:20px;
}
.faq__icon::before,.faq__icon::after{
  content:"";position:absolute;background:var(--text3);
  transition:transform .28s ease,background .22s ease;
}
.faq__icon::before{left:0;right:0;top:9.2px;height:1.4px}
.faq__icon::after{top:0;bottom:0;left:9.2px;width:1.4px}
.faq__item.is-open .faq__icon::after{transform:scaleY(0)}
.faq__item.is-open .faq__icon::before{background:var(--cyan)}
.faq__a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s ease;
}
.faq__a p{
  padding:0 0 26px;
  font-size:15.5px;
  color:var(--text2);
  line-height:1.9;
  max-width:760px;
}
.faq__a a{color:var(--indigo);border-bottom:1px solid var(--line)}
.faq__a a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:var(--indigo);
  color:#F2F4F9;
  border-radius:var(--radius);
  padding:56px;
  display:grid;
  grid-template-columns:1fr auto;
  gap:40px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;bottom:-60px;width:280px;height:280px;
  background-image:radial-gradient(rgba(255,255,255,.28) 1px,transparent 1px);
  background-size:16px 16px;opacity:.35;
}
.cta-band h2{
  font-size:clamp(24px,2.8vw,32px);
  font-weight:700;line-height:1.3;margin-bottom:14px;color:#FFFFFF;
}
.cta-band p{font-size:15.5px;color:#C9CEE6;max-width:620px;line-height:1.85}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}
.privacy-note{
  font-size:13px;color:var(--text3);line-height:1.9;
  margin-top:28px;max-width:900px;
}
.privacy-note a{color:var(--text2);border-bottom:1px solid var(--line)}
.privacy-note a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}

/* ---------- 弹层 ---------- */
.modal{
  position:fixed;inset:0;z-index:200;
  display:none;
  align-items:center;justify-content:center;
  padding:24px;
}
.modal.is-open{display:flex}
.modal__backdrop{
  position:absolute;inset:0;
  background:rgba(16,18,38,.62);
  animation:fadeIn .22s ease;
}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal__dialog{
  position:relative;
  z-index:1;
  width:min(540px,100%);
  max-height:90vh;
  overflow-y:auto;
  background:var(--paper);
  border-radius:var(--radius);
  padding:36px;
  box-shadow:0 24px 60px rgba(16,18,38,.28);
  animation:riseIn .28s ease;
}
@keyframes riseIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
.modal__close{
  position:absolute;right:18px;top:18px;
  width:34px;height:34px;border-radius:var(--radius-sm);
  display:grid;place-items:center;
  color:var(--text3);font-size:20px;line-height:1;
  transition:background .2s ease,color .2s ease;
}
.modal__close:hover{background:var(--soft);color:var(--text)}
.modal__dialog h2{font-size:23px;font-weight:700;line-height:1.35;margin-bottom:10px}
.modal__intro{font-size:14px;color:var(--text2);line-height:1.8;margin-bottom:26px}
.field{margin-bottom:18px}
.field label{
  display:block;font-size:13.5px;font-weight:600;color:var(--text);margin-bottom:8px;
}
.field .req{color:var(--sand);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;
  height:46px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:var(--paper);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(60,195,179,.16);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:#C4705C}
.field__err{display:none;font-size:12px;color:#A8503C;margin-top:6px}
.field.has-error .field__err{display:block}
.consent{
  display:flex;gap:10px;align-items:flex-start;
  font-size:13px;color:var(--text2);line-height:1.75;
  margin:6px 0 8px;
}
.consent input{width:16px;height:16px;margin-top:4px;accent-color:var(--indigo);flex:0 0 auto}
.modal__privacy{font-size:13px;color:var(--text3);line-height:1.8;margin-bottom:22px}
.modal__privacy a{color:var(--text2);border-bottom:1px solid var(--line)}
.modal__success{display:none;text-align:center;padding:20px 0 6px}
.modal__success svg{width:44px;height:44px;margin:0 auto 16px;color:var(--cyan)}
.modal__success h3{font-size:19px;font-weight:700;margin-bottom:10px}
.modal__success p{font-size:14px;color:var(--text2);line-height:1.8}
.form.is-sent .form__body{display:none}
.form.is-sent .modal__success{display:block}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:#C4CADA;
  padding:72px 0 32px;
  font-size:14px;
}
.footer__grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer__logo{
  font-size:17px;font-weight:800;color:#FFFFFF;letter-spacing:-.01em;margin-bottom:16px;
}
.footer__brand p{font-size:13.5px;line-height:1.9;color:#9AA2B6;max-width:380px}
.footer__col h4{
  font-size:14px;font-weight:600;color:#FFFFFF;margin-bottom:18px;letter-spacing:.02em;
}
.footer__col ul{display:grid;gap:11px}
.footer__col li{font-size:13.5px;color:#9AA2B6;line-height:1.7}
.footer__col a{color:#C4CADA}
.footer__col a:hover{color:var(--cyan)}
.footer__bottom{
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding-top:26px;
  font-size:13px;color:#7C8399;line-height:1.9;
}
.footer__bottom a:hover{color:var(--cyan)}

/* ---------- 滚动入场 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 24px}
  .cat-hero__grid{gap:40px}
}
@media (max-width:1023px){
  :root{--sect:64px}
  .nav{display:none}
  .nav-toggle{display:flex}
  .header__inner{gap:16px;justify-content:space-between}
  .nav.is-open{
    display:flex;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    position:absolute;
    top:100%;left:0;right:0;
    background:var(--paper);
    border-bottom:1px solid var(--line);
    padding:10px 24px 24px;
    box-shadow:0 16px 32px rgba(16,18,38,.12);
    margin-left:0;
  }
  .nav.is-open .nav__link{
    width:100%;
    padding:15px 0;
    border-bottom:1px solid var(--line);
    font-size:16px;
  }
  .nav.is-open .nav__link::after{display:none}
  .nav.is-open .nav__link.is-active{color:var(--indigo)}
  .cat-hero__grid{grid-template-columns:1fr;gap:36px}
  .cat-hero__media img{height:320px}
  .svc-grid{grid-template-columns:1fr}
  .split,.split--reverse{grid-template-columns:1fr;gap:32px}
  .split--reverse .split__media{order:0}
  .split__media img{height:300px}
  .timeline{grid-template-columns:1fr 1fr;border-top:0}
  .timeline__item{border-right:0;border-top:1px solid var(--line);padding:24px 18px 18px 0}
  .timeline__dot{top:-5px}
  .stats__grid{grid-template-columns:1fr 1fr;gap:36px 24px}
  .cta-band{grid-template-columns:1fr;padding:40px 32px}
  .footer__grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  :root{--sect:48px}
  .container{padding:0 16px}
  body{font-size:15.5px}
  .topbar__left{font-size:12px}
  .topbar__right{gap:12px}
  .topbar__link--muted{display:none}
  .logo__text{font-size:15.5px}
  .logo__suffix{display:none}
  .cat-hero{padding:44px 0 56px}
  .cat-hero::after{display:none}
  .cat-hero__media img{height:240px}
  .cat-hero__cta{gap:14px}
  .cat-hero__cta .btn{width:100%}
  .split__meta{gap:22px;flex-wrap:wrap}
  .timeline{grid-template-columns:1fr}
  .stats{padding:52px 0}
  .stats__grid{grid-template-columns:1fr;gap:26px}
  .stat__num{font-size:32px}
  .faq__q{font-size:16px;padding:20px 0}
  .cta-band{padding:32px 22px}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{width:100%}
  .footer__grid{grid-template-columns:1fr;gap:32px}
  .footer__bottom{flex-direction:column;gap:8px}
  .modal{padding:0}
  .modal__dialog{
    width:100%;max-height:100%;height:100%;
    border-radius:0;padding:28px 20px 34px;
    animation:slideUp .28s ease;
  }
  @keyframes slideUp{from{transform:translateY(24px);opacity:0}to{transform:none;opacity:1}}
}
@media (max-width:480px){
  .btn{height:46px;padding:0 20px}
  .card{padding:20px}
  .card--feature{padding:24px}
  .split__media img{height:220px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --ink:#101226;
  --indigo:#332C6B;
  --indigo-dark:#272153;
  --cyan:#3CC3B3;
  --sand:#E0B15C;
  --bg:#F7F8FA;
  --paper:#FFFFFF;
  --soft:#EEF0F4;
  --text:#14161C;
  --text-2:#5A6070;
  --text-3:#8C93A0;
  --line:#E3E5EA;
  --radius-card:10px;
  --radius-btn:8px;
  --shadow-1:0 1px 2px rgba(16,18,38,.06);
  --shadow-2:0 8px 24px rgba(16,18,38,.10);
  --sp-section:96px;
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"SFMono-Regular",Menlo,Consolas,"Courier New",monospace;
}
*,*::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:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0;padding:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--sp-section) 0}
.section--tight{padding:72px 0}
.section--soft{background:var(--soft)}
.section--paper{background:var(--paper)}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink);color:#EDEFF5;font-size:12.5px;line-height:38px}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px}
.topbar__left{display:flex;align-items:center;gap:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar__tag{color:var(--cyan);letter-spacing:.06em}
.topbar__sep{width:1px;height:12px;background:rgba(255,255,255,.22)}
.topbar__right{display:flex;align-items:center;gap:18px;white-space:nowrap}
.topbar__link{color:#EDEFF5;border-bottom:1px solid transparent;padding-bottom:1px}
.topbar__link:hover{color:var(--cyan);border-color:var(--cyan)}
.topbar__link--muted{color:#9AA1B4}
.topbar__link--muted:hover{color:#EDEFF5;border-color:rgba(255,255,255,.5)}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(16,18,38,.08);background:#fff}
.header__inner{display:flex;align-items:center;gap:28px;height:72px;transition:height .25s ease}
.site-header.is-scrolled .header__inner{height:62px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo__mark{
  width:32px;height:32px;border-radius:9px;background:var(--indigo);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(51,44,107,.28);
}
.logo__mark svg{width:18px;height:18px}
.logo__text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.logo__suffix{font-size:12px;font-weight:500;color:var(--text-3);margin-left:2px}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav__link{
  position:relative;display:inline-flex;align-items:center;height:40px;
  padding:0 14px;font-size:15px;font-weight:500;color:var(--text-2);border-radius:6px;
}
.nav__link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  background:var(--indigo);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav__link:hover{color:var(--ink)}
.nav__link:hover::after{transform:scaleX(1)}
.nav__link.is-active{color:var(--ink);font-weight:700}
.nav__link.is-active::after{transform:scaleX(1)}
.header__actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
  display:none;width:42px;height:38px;border:1px solid var(--line);border-radius:8px;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;background:#fff;
}
.nav-toggle span{display:block;width:17px;height:1.6px;background:var(--ink);transition:transform .25s ease,opacity .25s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(5.6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-5.6px) rotate(-45deg)}
.nav-backdrop{position:fixed;inset:0;background:rgba(16,18,38,.42);opacity:0;visibility:hidden;transition:.25s ease;z-index:55}
.nav-backdrop.is-open{opacity:1;visibility:visible}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .15s ease,box-shadow .22s ease;
  white-space:nowrap;
}
.btn svg{width:15px;height:15px;transition:transform .22s ease}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.btn--primary{background:var(--indigo);color:#F7F8FA;box-shadow:0 1px 2px rgba(16,18,38,.06)}
.btn--primary:hover{background:var(--indigo-dark);box-shadow:var(--shadow-2)}
.btn--primary:hover svg{transform:translateX(3px)}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{border:1px solid var(--indigo);color:var(--indigo);background:transparent}
.btn--ghost:hover{background:rgba(51,44,107,.08)}
.btn--light{background:#F7F8FA;color:var(--indigo)}
.btn--light:hover{background:#fff;box-shadow:var(--shadow-2)}
.btn--disabled{opacity:.45;cursor:not-allowed}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--indigo);
  border-bottom:1px solid var(--line);padding-bottom:3px;
}
.link-more:hover{color:var(--cyan);border-color:var(--cyan)}
.link-more svg{width:14px;height:14px}

/* ---------- 通用文字 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.05em;color:var(--indigo);
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--cyan)}
.h1{font-size:clamp(30px,4.2vw,54px);font-weight:800;line-height:1.18;letter-spacing:-.01em;color:var(--ink)}
.h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.28;letter-spacing:-.01em;color:var(--ink)}
.h3{font-size:21px;font-weight:600;line-height:1.4;color:var(--ink)}
.lead{font-size:17px;line-height:1.9;color:var(--text-2)}
.muted{color:var(--text-3);font-size:13px;line-height:1.9}
.section-head{max-width:760px;margin-bottom:44px}
.section-head .h2{margin:14px 0 12px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(51,44,107,.07);color:var(--indigo);font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.tag--sand{background:rgba(224,177,92,.16);color:#8A6420}
.tag--cyan{background:rgba(60,195,179,.14);color:#1F7A70}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--paper);border-bottom:1px solid var(--line);overflow:hidden}
.hero__dots{
  position:absolute;right:0;bottom:0;width:340px;height:230px;opacity:.35;pointer-events:none;
  background-image:radial-gradient(circle,rgba(51,44,107,.55) 1px,transparent 1px);
  background-size:20px 20px;
}
.hero__inner{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;padding:82px 0 76px}
.hero__title{margin:18px 0 20px}
.hero__desc{max-width:560px;font-size:17px;line-height:1.9;color:var(--text-2)}
.hero__actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:32px}
.hero__trust{display:flex;align-items:center;gap:10px;margin-top:22px;font-size:13.5px;color:var(--text-3)}
.hero__trust b{color:var(--text-2);font-weight:600}
.hero__media{position:relative}
.hero__media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-card);
  border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.hero__media::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius-card);
  background:linear-gradient(180deg,rgba(16,18,38,.06),rgba(16,18,38,.24));pointer-events:none;
}
.hero__tick{
  position:absolute;left:-10px;bottom:22px;z-index:2;
  background:var(--paper);border:1px solid var(--line);border-radius:999px;
  padding:7px 14px;font-family:var(--font-num);font-size:12px;letter-spacing:.08em;color:var(--text-2);
  box-shadow:var(--shadow-1);
}
.hero__panel{
  position:absolute;right:-12px;top:26px;z-index:2;background:var(--paper);
  border:1px solid var(--line);border-radius:var(--radius-card);padding:16px 18px;box-shadow:var(--shadow-2);
}
.hero__panel strong{display:block;font-family:var(--font-num);font-size:22px;color:var(--indigo);line-height:1.2}
.hero__panel span{font-size:12.5px;color:var(--text-3)}

/* ---------- 数据带 ---------- */
.band{background:var(--ink);color:#EDEFF5;position:relative;overflow:hidden}
.band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(60,195,179,.75),transparent);
}
.band__inner{padding:44px 0}
.band__stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{border-left:1px solid rgba(255,255,255,.14);padding-left:22px}
.stat:first-child{border-left:0;padding-left:0}
.stat__num{font-family:var(--font-num);font-size:34px;font-weight:700;color:#fff;line-height:1.2;letter-spacing:-.02em}
.stat__num small{font-size:14px;font-weight:600;color:var(--cyan);margin-left:3px}
.stat__label{font-size:13.5px;color:#9AA1B4;margin-top:4px}
.band__note{margin-top:26px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#8C93A0}
.band__status{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:18px}
.status-item{display:flex;align-items:center;gap:9px;font-size:13.5px;color:#C9CEDC}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--cyan);position:relative;flex-shrink:0}
.pulse::after{
  content:"";position:absolute;inset:-5px;border-radius:50%;border:1px solid rgba(60,195,179,.5);
  animation:pulse 2.4s ease-out infinite;
}
@keyframes pulse{0%{transform:scale(.6);opacity:.9}100%{transform:scale(1.5);opacity:0}}

/* ---------- 行业分组卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;display:flex;flex-direction:column;box-shadow:var(--shadow-1);
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.card:hover{border-color:var(--cyan);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.card__top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.card__no{font-family:var(--font-num);font-size:12.5px;color:var(--text-3);letter-spacing:.08em}
.card__title{font-size:19px;font-weight:700;line-height:1.45;color:var(--ink)}
.card__desc{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--text-2)}
.card__list{margin-top:18px;display:grid;gap:9px}
.card__list li{display:flex;gap:9px;font-size:14px;color:var(--text-2);line-height:1.7}
.card__list li svg{width:15px;height:15px;flex-shrink:0;margin-top:5px}
.card__foot{margin-top:auto;padding-top:20px}

/* ---------- 图文交错 ---------- */
.split{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center}
.split--reverse .split__media{order:2}
.split--reverse .split__body{order:1}
.split__media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-card);
  border:1px solid var(--line);box-shadow:var(--shadow-1);transition:transform .35s ease;
}
.split__media{position:relative;overflow:hidden;border-radius:var(--radius-card)}
.split__media:hover img{transform:scale(1.03)}
.split__media::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius-card);
  background:linear-gradient(180deg,rgba(16,18,38,.02),rgba(16,18,38,.2));pointer-events:none;
}
.split__body .h2{margin:14px 0 16px}
.split__body p{font-size:15.5px;line-height:1.9;color:var(--text-2)}
.split__body p + p{margin-top:14px}
.check-list{margin-top:24px;display:grid;gap:12px}
.check-list li{display:flex;gap:11px;font-size:15px;color:var(--text);line-height:1.75}
.check-list li svg{width:17px;height:17px;flex-shrink:0;margin-top:5px}
.split__media .hero__tick{left:16px;bottom:-14px}

/* ---------- 节奏时间表 ---------- */
.roadmap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.roadmap::before{
  content:"";position:absolute;left:0;right:0;top:19px;height:1px;background:var(--line);
}
.step{position:relative;padding-top:52px}
.step__dot{
  position:absolute;top:8px;left:0;width:22px;height:22px;border-radius:50%;
  background:var(--paper);border:1px solid var(--indigo);display:flex;align-items:center;justify-content:center;
}
.step__dot i{width:8px;height:8px;border-radius:50%;background:var(--indigo)}
.step--active .step__dot{border-color:var(--cyan)}
.step--active .step__dot i{background:var(--cyan)}
.step__no{font-family:var(--font-num);font-size:12.5px;letter-spacing:.08em;color:var(--text-3)}
.step__title{margin:8px 0 8px;font-size:18px;font-weight:700;color:var(--ink)}
.step__time{display:inline-block;font-size:12.5px;color:var(--indigo);background:rgba(51,44,107,.07);border-radius:999px;padding:3px 10px;margin-bottom:10px}
.step__desc{font-size:14.5px;line-height:1.8;color:var(--text-2)}

/* ---------- 对比表 ---------- */
.table-wrap{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1)}
table.data{width:100%;border-collapse:collapse;font-size:14.5px}
table.data caption{text-align:left;padding:20px 26px 0;font-size:13px;color:var(--text-3)}
table.data th,table.data td{padding:16px 26px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
table.data thead th{background:var(--soft);font-size:13.5px;font-weight:600;color:var(--text-2);letter-spacing:.02em;border-bottom:1px solid var(--line)}
table.data tbody tr:last-child td{border-bottom:0}
table.data tbody tr:hover{background:#FAFBFC}
table.data td:first-child{font-weight:600;color:var(--ink);white-space:nowrap}

/* ---------- FAQ ---------- */
.faq{max-width:860px}
.faq__item{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);margin-bottom:12px;overflow:hidden;transition:border-color .22s ease}
.faq__item:hover{border-color:#D2D6DE}
.faq__item.is-open{border-color:var(--cyan)}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq__icon{position:relative;width:16px;height:16px;flex-shrink:0}
.faq__icon::before,.faq__icon::after{content:"";position:absolute;background:var(--indigo);transition:transform .25s ease,opacity .25s ease}
.faq__icon::before{left:0;top:7.2px;width:16px;height:1.6px}
.faq__icon::after{top:0;left:7.2px;width:1.6px;height:16px}
.faq__item.is-open .faq__icon::after{transform:scaleY(0);opacity:0}
.faq__panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}
.faq__item.is-open .faq__panel{grid-template-rows:1fr}
.faq__panel-inner{overflow:hidden}
.faq__a{padding:0 24px 22px;font-size:15.5px;line-height:1.9;color:var(--text-2)}
.faq__a a{color:var(--indigo);border-bottom:1px solid var(--line)}
.faq__a a:hover{color:var(--cyan);border-color:var(--cyan)}

/* ---------- CTA ---------- */
.cta-block{
  background:var(--ink);color:#EDEFF5;border-radius:14px;padding:52px 56px;position:relative;overflow:hidden;
}
.cta-block::after{
  content:"";position:absolute;right:-40px;top:-40px;width:260px;height:260px;opacity:.35;pointer-events:none;
  background-image:radial-gradient(circle,rgba(60,195,179,.5) 1px,transparent 1px);background-size:18px 18px;
}
.cta-block__inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-block h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;color:#fff;line-height:1.35}
.cta-block p{margin-top:12px;font-size:15px;color:#A9B0C2;max-width:560px}
.cta-block .eyebrow{color:var(--cyan)}
.cta-block .eyebrow::before{background:var(--cyan)}
.cta-block__actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.cta-block .link-more{color:#EDEFF5;border-color:rgba(255,255,255,.35)}
.cta-block .link-more:hover{color:var(--cyan);border-color:var(--cyan)}

/* ---------- 隐私说明 ---------- */
.privacy-note{
  margin-top:56px;padding:20px 24px;border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--paper);font-size:13px;line-height:1.9;color:var(--text-3);
}
.privacy-note strong{color:var(--text-2);font-weight:600}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#B9BFCE;font-size:13.5px;line-height:1.9}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px}
.footer__logo{font-size:17px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:-.01em}
.footer__brand p{max-width:340px;color:#8C93A0}
.footer__col h4{font-size:13.5px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.04em}
.footer__col ul{display:grid;gap:9px}
.footer__col a,.footer__col li{color:#9AA1B4}
.footer__col a:hover{color:var(--cyan)}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0 32px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#767D91;font-size:13px;
}

/* ---------- 弹层 ---------- */
.modal{position:fixed;inset:0;z-index:80;display:flex;align-items:center;justify-content:center;padding:24px;
  background:rgba(16,18,38,.55);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease}
.modal.is-open{opacity:1;visibility:visible}
.modal__card{
  width:100%;max-width:540px;max-height:90vh;overflow-y:auto;background:var(--paper);border-radius:14px;
  padding:32px;box-shadow:0 24px 60px rgba(16,18,38,.28);transform:translateY(12px);transition:transform .28s ease;
}
.modal.is-open .modal__card{transform:none}
.modal__head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:8px}
.modal__title{font-size:22px;font-weight:700;color:var(--ink);line-height:1.4}
.modal__close{width:34px;height:34px;border-radius:8px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--text-2);flex-shrink:0}
.modal__close:hover{border-color:var(--cyan);color:var(--cyan)}
.modal__sub{font-size:13.5px;color:var(--text-3);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--text-2);margin-bottom:7px}
.field .req{color:var(--sand);margin-left:3px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:8px;background:#fff;
  padding:0 14px;height:46px;font-size:14.5px;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:96px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(60,195,179,.16)}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:#C4614F}
.field__err{display:none;font-size:12px;color:#C4614F;margin-top:6px}
.field.has-error .field__err{display:block}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--text-3);line-height:1.8;margin:6px 0 20px}
.consent input{width:16px;height:16px;margin-top:4px;flex-shrink:0;accent-color:var(--indigo)}
.consent a{color:var(--indigo);border-bottom:1px solid var(--line)}
.modal__submit{width:100%}
.form-success{display:none;align-items:center;gap:10px;font-size:14px;color:#1F7A70;margin-top:14px}
.form-success.is-visible{display:flex}
.form-success svg{width:18px;height:18px;flex-shrink:0}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease}
.reveal.is-visible{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:1279px){
  .container{padding:0 24px}
}
@media (max-width:1023px){
  :root{--sp-section:64px}
  .container{padding:0 24px}
  .nav{
    position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:#fff;
    flex-direction:column;align-items:stretch;gap:4px;padding:96px 24px 28px;
    transform:translateX(102%);transition:transform .3s ease;box-shadow:-10px 0 34px rgba(16,18,38,.14);z-index:60;
    margin-left:0;
  }
  .nav.is-open{transform:none}
  .nav__link{height:48px;padding:0 12px;font-size:16px;border-bottom:1px solid var(--line);border-radius:0}
  .nav__link::after{display:none}
  .nav__link.is-active{color:var(--indigo)}
  .nav-toggle{display:flex}
  .header__actions .btn--primary{display:none}
  .hero__inner{grid-template-columns:1fr;gap:36px;padding:56px 0 60px}
  .hero__media{max-width:560px}
  .hero__panel{right:8px}
  .band__stats{grid-template-columns:repeat(2,1fr);gap:28px 20px}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .split--reverse .split__media{order:1}
  .split--reverse .split__body{order:2}
  .roadmap{grid-template-columns:repeat(2,1fr);gap:32px}
  .roadmap::before{display:none}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 32px}
  .cta-block{padding:40px 32px}
}
@media (max-width:767px){
  :root{--sp-section:48px}
  .container{padding:0 16px}
  body{font-size:15.5px}
  .topbar{font-size:12px}
  .topbar__right .topbar__link--muted{display:none}
  .logo__suffix{display:none}
  .card-grid{grid-template-columns:1fr}
  .band__stats{grid-template-columns:1fr;gap:22px}
  .stat{border-left:0;padding-left:0}
  .roadmap{grid-template-columns:1fr}
  .table-wrap{overflow-x:auto}
  table.data{min-width:560px}
  table.data th,table.data td{padding:13px 16px}
  .hero__panel{position:static;margin-top:14px;display:inline-block}
  .hero__tick{left:12px}
  .cta-block{padding:32px 22px}
  .cta-block__actions{width:100%}
  .modal{padding:0;align-items:stretch}
  .modal__card{max-width:none;max-height:none;height:100%;border-radius:0;padding:24px 18px 32px}
  .footer__grid{grid-template-columns:1fr}
  .footer__bottom{flex-direction:column;gap:8px}
}
@media (max-width:480px){
  .btn{width:100%}
  .hero__actions .btn{width:100%}
  .btn--sm{width:auto}
  .cta-block__actions .btn{width:100%}
  .section{padding:44px 0}
  .card{padding:20px}
}