/* roulang page: index */
:root{
  --c-main:#0E3D2C;
  --c-main-soft:#1A5741;
  --c-accent:#F05A22;
  --c-accent-dark:#D34B18;
  --c-dark:#101613;
  --c-bg:#F5F4EF;
  --c-bg-alt:#EEEDE6;
  --c-card:#FFFFFF;
  --c-border:#DCDCD3;
  --c-text:#171A18;
  --c-text-2:#5A625D;
  --c-text-3:#9AA09B;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(16,19,17,.06);
  --sh-2:0 10px 24px rgba(16,19,17,.10);
  --sp-section:72px;
  --container:1200px;
  --read:760px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding-left:1.1em}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:var(--sp-section) 0}
.section--alt{background:var(--c-bg-alt)}
.section--white{background:var(--c-card)}
.section--dark{background:var(--c-main);color:#EDF3EF}
.section-head{max-width:760px}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:.2px;
}
.section-head p{
  margin-top:14px;
  color:var(--c-text-2);
  font-size:16px;
}
.section--dark .section-head p{color:rgba(255,255,255,.72)}
.h2-bar{position:relative;padding-left:16px}
.h2-bar::before{
  content:"";
  position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:2px;background:var(--c-accent);
}
.section-label{
  display:inline-block;
  font-size:12px;
  letter-spacing:1.4px;
  font-weight:600;
  color:var(--c-accent);
  text-transform:uppercase;
  margin-bottom:12px;
}
.lead{color:var(--c-text-2);font-size:16px;margin-top:14px;max-width:660px}

/* ---------- top bar ---------- */
.topbar{
  background:var(--c-dark);
  color:rgba(255,255,255,.82);
  font-size:13px;
}
.topbar__inner{
  min-height:38px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:6px;
  padding-bottom:6px;
}
.topbar__left{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.topbar__domain{
  font-weight:600;
  color:#fff;
  letter-spacing:.4px;
}
.topbar__note{color:rgba(255,255,255,.6)}
.topbar__right{display:flex;align-items:center;gap:18px}
.topbar__link{
  color:rgba(255,255,255,.82);
  border-bottom:1px solid rgba(255,255,255,.28);
  padding-bottom:1px;
  transition:color .2s,border-color .2s;
}
.topbar__link:hover{color:#fff;border-color:var(--c-accent)}
.topbar__cta{
  display:inline-flex;align-items:center;
  padding:5px 14px;
  font-size:13px;
  border:1px solid rgba(255,255,255,.4);
  border-radius:var(--r-pill);
  color:#fff;
  transition:background .2s,border-color .2s;
}
.topbar__cta:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7)}

/* ---------- nav ---------- */
.site-nav{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--c-border);
  transition:box-shadow .25s;
}
.site-nav.is-stuck{box-shadow:var(--sh-1)}
.nav__inner{
  height:70px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand__mark{
  width:38px;height:38px;
  flex:0 0 38px;
  border-radius:12px;
  background:var(--c-main);
  display:grid;place-items:center;
}
.brand__mark span{
  display:block;
  width:16px;height:18px;
  border:2px solid #fff;
  border-bottom:none;
  border-radius:8px 8px 0 0;
  position:relative;
}
.brand__mark span::after{
  content:"";
  position:absolute;
  left:50%;bottom:-6px;
  width:2px;height:6px;
  transform:translateX(-50%);
  background:var(--c-accent);
}
.brand__text{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.brand__name{
  font-size:15.5px;
  font-weight:700;
  color:var(--c-main);
  white-space:nowrap;
}
.brand__sub{
  font-size:11px;
  color:var(--c-text-3);
  letter-spacing:1.2px;
  text-transform:uppercase;
}
.nav__menu{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1;
  justify-content:center;
}
.nav__link{
  position:relative;
  padding:10px 14px;
  font-size:15px;
  color:var(--c-text-2);
  border-radius:8px;
  transition:color .2s;
  white-space:nowrap;
}
.nav__link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  background:transparent;
  border-radius:2px;
  transition:background .2s;
}
.nav__link:hover{color:var(--c-main)}
.nav__link.is-active{color:var(--c-main);font-weight:700}
.nav__link.is-active::after{background:var(--c-main)}
.nav__actions{display:flex;align-items:center;gap:12px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:background .2s,color .2s,transform .2s,box-shadow .2s,border-color .2s;
  white-space:nowrap;
}
.btn--primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{background:var(--c-accent-dark);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{background:transparent;color:var(--c-main);border-color:var(--c-main)}
.btn--ghost:hover{background:rgba(14,61,44,.08)}
.btn--sm{padding:9px 18px;font-size:14px}
.btn--block{width:100%}
.btn__icon{font-size:15px;line-height:1}
.nav__toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--c-border);
  border-radius:10px;
  background:#fff;
  align-items:center;justify-content:center;
  cursor:pointer;
}
.nav__toggle span{
  position:relative;
  width:18px;height:2px;
  background:var(--c-main);
  display:block;
  border-radius:2px;
}
.nav__toggle span::before,.nav__toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-main);border-radius:2px;
}
.nav__toggle span::before{top:-6px}
.nav__toggle span::after{top:6px}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(16,19,17,.45);
  opacity:0;visibility:hidden;
  transition:opacity .28s,visibility .28s;
  z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:82%;
  max-width:360px;
  background:#fff;
  z-index:90;
  transform:translateX(100%);
  transition:transform .3s ease;
  display:flex;
  flex-direction:column;
  padding:20px 22px 28px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer__close{
  width:44px;height:44px;
  border:1px solid var(--c-border);
  border-radius:10px;
  background:#fff;
  cursor:pointer;
  font-size:20px;
  line-height:1;
  color:var(--c-text-2);
}
.drawer__nav{display:flex;flex-direction:column;margin:22px 0 0}
.drawer__nav a{
  padding:14px 4px;
  border-bottom:1px solid var(--c-border);
  font-size:16px;
  color:var(--c-text);
}
.drawer__nav a.is-active{color:var(--c-main);font-weight:700}
.drawer__foot{margin-top:auto;padding-top:24px}

/* ---------- hero ---------- */
.hero{
  background:linear-gradient(180deg,#fff 0%,var(--c-bg) 100%);
  padding:64px 0 72px;
}
.hero__grid{
  display:grid;
  grid-template-columns:6fr 6fr;
  gap:48px;
  align-items:center;
}
.hero__tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  background:rgba(240,90,34,.1);
  border:1px solid rgba(240,90,34,.28);
  color:var(--c-accent-dark);
  border-radius:var(--r-pill);
  font-size:13px;
  font-weight:600;
  margin-bottom:20px;
}
.hero h1{
  font-size:clamp(30px,4vw,46px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:.2px;
}
.hero h1 em{font-style:normal;color:var(--c-accent)}
.hero__sub{
  margin-top:18px;
  font-size:17px;
  color:var(--c-text-2);
  max-width:560px;
}
.hero__actions{
  margin-top:30px;
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}
.hero__trust{
  margin-top:24px;
  display:flex;
  flex-wrap:wrap;
  gap:8px 14px;
  font-size:13px;
  color:var(--c-text-2);
}
.hero__trust span{display:inline-flex;align-items:center;gap:8px}
.hero__trust span::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--c-main-soft);
  display:inline-block;
}
.hero__trust span+span{border-left:1px solid var(--c-border);padding-left:14px}
.hero__media{
  position:relative;
  border-radius:16px;
  overflow:hidden;
  box-shadow:var(--sh-2);
  aspect-ratio:16/10;
  background:var(--c-dark);
}
.hero__media img{
  width:100%;height:100%;
  object-fit:cover;
  aspect-ratio:16/10;
}
.hero__media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,19,17,.06),rgba(16,19,17,.32));
}
.hero__badge{
  position:absolute;
  left:18px;bottom:18px;
  right:18px;
  z-index:2;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  color:#fff;
  font-size:13px;
}
.hero__badge strong{font-size:15px;font-weight:600}

/* ---------- pain ---------- */
.pain__grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:start;
  margin-top:36px;
}
.pain__list{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
  list-style:none;
  padding:0;
  margin:0;
}
.pain__item{
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--sh-1);
  transition:box-shadow .2s,transform .2s;
}
.pain__item:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.pain__no{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;
  border-radius:9px;
  background:var(--c-bg-alt);
  color:var(--c-main);
  font-size:13px;
  font-weight:700;
  margin-bottom:12px;
}
.pain__item h3{font-size:18px;font-weight:600;line-height:1.45}
.pain__item p{margin-top:8px;font-size:14.5px;color:var(--c-text-2)}
.pain__media{
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--c-border);
  background:#fff;
  box-shadow:var(--sh-1);
}
.pain__media img{width:100%;aspect-ratio:3/4;object-fit:cover}
.pain__media figcaption{
  padding:12px 16px;
  font-size:13px;
  color:var(--c-text-2);
  border-top:1px solid var(--c-border);
}

/* ---------- solution ---------- */
.solve-rows{display:flex;flex-direction:column;gap:64px;margin-top:44px}
.solve-row{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:44px;
  align-items:center;
}
.solve-row--flip .solve-row__media{order:2}
.solve-row--flip .solve-row__body{order:1}
.solve-row__media{
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--c-border);
  background:#fff;
  box-shadow:var(--sh-1);
}
.solve-row__media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .4s}
.solve-row__media:hover img{transform:scale(1.02)}
.solve-row__tag{
  display:inline-block;
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:rgba(14,61,44,.08);
  color:var(--c-main);
  font-size:12px;
  font-weight:600;
  letter-spacing:.4px;
}
.solve-row__body h3{
  margin-top:14px;
  font-size:22px;
  font-weight:600;
  line-height:1.45;
}
.solve-row__body p{margin-top:14px;color:var(--c-text-2);font-size:15.5px}
.solve-row__body ul{margin-top:16px;color:var(--c-text-2);font-size:15px;line-height:1.85}
.solve-row__body li+li{margin-top:8px}
.text-link{
  display:inline-block;
  margin-top:20px;
  color:var(--c-main);
  font-weight:600;
  font-size:15px;
  border-bottom:1px solid var(--c-main);
  padding-bottom:2px;
  transition:color .2s,border-color .2s;
}
.text-link:hover{color:var(--c-accent);border-color:var(--c-accent)}

/* ---------- stats ---------- */
.stats{
  margin-top:40px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(255,255,255,.14);
}
.stat{
  padding:28px 24px;
  border-right:1px solid rgba(255,255,255,.14);
}
.stat:last-child{border-right:none}
.stat__num{
  font-size:clamp(30px,3.4vw,42px);
  font-weight:700;
  line-height:1.1;
  color:#fff;
  font-family:"Inter",-apple-system,"PingFang SC",sans-serif;
}
.stat__num small{font-size:16px;font-weight:600;margin-left:2px;color:rgba(255,255,255,.7)}
.stat__text{margin-top:10px;font-size:13px;color:rgba(255,255,255,.7);line-height:1.7}

/* ---------- voices ---------- */
.voice-grid{
  margin-top:38px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.voice{
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--sh-1);
  transition:box-shadow .2s,transform .2s;
}
.voice:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.voice__quote{
  font-size:30px;
  line-height:1;
  color:var(--c-accent);
  font-family:Georgia,serif;
  margin-bottom:10px;
}
.voice__text{color:var(--c-text);font-size:15.5px;line-height:1.85}
.voice__who{
  margin-top:20px;
  display:flex;
  align-items:center;
  gap:12px;
  padding-top:16px;
  border-top:1px solid var(--c-border);
}
.voice__avatar{
  width:40px;height:40px;
  border-radius:50%;
  background:var(--c-main);
  color:#fff;
  display:grid;place-items:center;
  font-size:15px;font-weight:700;
  flex:0 0 40px;
}
.voice__name{font-size:15px;font-weight:600}
.voice__role{font-size:13px;color:var(--c-text-3)}

/* ---------- news ---------- */
.news-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.news-grid{
  margin-top:36px;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:28px;
  align-items:start;
}
.card-lead{
  display:block;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:box-shadow .2s,transform .2s;
}
.card-lead:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.card-lead__media{position:relative;aspect-ratio:16/9;background:var(--c-bg-alt);overflow:hidden}
.card-lead__media img{width:100%;height:100%;object-fit:cover}
.card-lead__body{padding:24px}
.card-lead__title{
  font-size:21px;
  font-weight:600;
  line-height:1.5;
  transition:color .2s;
}
.card-lead:hover .card-lead__title{color:var(--c-main)}
.card-lead__sum{
  margin-top:12px;
  color:var(--c-text-2);
  font-size:15px;
}
.card-lead__meta{
  margin-top:18px;
  display:flex;
  align-items:center;
  gap:12px;
  font-size:13px;
  color:var(--c-text-3);
}
.badge{
  display:inline-block;
  padding:4px 11px;
  border-radius:var(--r-pill);
  background:rgba(14,61,44,.08);
  border:1px solid rgba(14,61,44,.16);
  color:var(--c-main);
  font-size:12px;
  font-weight:600;
}
.news-side{display:flex;flex-direction:column;gap:16px}
.mini-card{
  display:grid;
  grid-template-columns:96px 1fr;
  gap:16px;
  align-items:center;
  padding:14px;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:box-shadow .2s,transform .2s;
}
.mini-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.mini-card__media{
  width:96px;height:64px;
  border-radius:10px;
  overflow:hidden;
  background:var(--c-bg-alt);
}
.mini-card__media img{width:96px;height:64px;object-fit:cover}
.mini-card__title{
  font-size:15.5px;
  font-weight:600;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .2s;
}
.mini-card:hover .mini-card__title{color:var(--c-main)}
.mini-card__meta{
  margin-top:8px;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--c-text-3);
}
.empty-state{
  min-height:240px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  text-align:center;
  background:#fff;
  border:1px dashed var(--c-border);
  border-radius:var(--r-card);
  padding:40px 24px;
}
.empty-state__icon{
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid var(--c-border);
  display:grid;place-items:center;
  color:var(--c-text-3);
  font-size:18px;
}
.empty-state p{color:var(--c-text-2);font-size:15px}

/* ---------- faq ---------- */
.faq-list{margin-top:34px;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:box-shadow .2s;
}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-item.is-open{box-shadow:var(--sh-1);border-left:3px solid var(--c-main)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 24px;
  background:none;
  border:0;
  text-align:left;
  cursor:pointer;
  font-size:17px;
  font-weight:600;
  line-height:1.6;
}
.faq-q__icon{
  flex:0 0 26px;
  width:26px;height:26px;
  border-radius:50%;
  background:var(--c-bg-alt);
  color:var(--c-main);
  display:grid;place-items:center;
  font-size:16px;
  line-height:1;
  transition:transform .25s,background .2s;
}
.faq-item.is-open .faq-q__icon{transform:rotate(45deg);background:rgba(240,90,34,.14);color:var(--c-accent-dark)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a__inner{
  padding:0 24px 22px;
  color:var(--c-text-2);
  font-size:15px;
  line-height:1.85;
}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--c-bg);
}
.cta-card{
  background:#fff;
  border:1px solid var(--c-main);
  border-radius:18px;
  padding:40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  box-shadow:var(--sh-1);
}
.cta-card__text h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.35;
  font-weight:700;
}
.cta-card__text p{margin-top:12px;color:var(--c-text-2);font-size:15.5px;max-width:620px}
.cta-card__actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-foot{
  background:var(--c-dark);
  color:rgba(255,255,255,.72);
  font-size:14px;
}
.foot-top{
  background:var(--c-main);
  color:#fff;
}
.foot-top__inner{
  min-height:88px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  padding-top:20px;
  padding-bottom:20px;
}
.foot-top__title{font-size:18px;font-weight:600}
.foot-top__desc{font-size:13.5px;color:rgba(255,255,255,.72);margin-top:6px}
.foot-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.2fr;
  gap:36px;
  padding:52px 0 40px;
}
.foot-col h3{
  font-size:15px;
  color:#fff;
  font-weight:600;
  margin-bottom:16px;
}
.foot-col p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.6)}
.foot-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.foot-col a{
  font-size:14px;
  color:rgba(255,255,255,.72);
  transition:color .2s;
}
.foot-col a:hover{color:var(--c-accent)}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.foot-brand__mark{
  width:36px;height:36px;border-radius:11px;
  background:rgba(255,255,255,.1);
  display:grid;place-items:center;flex:0 0 36px;
}
.foot-brand__mark span{
  display:block;width:14px;height:16px;
  border:2px solid #fff;border-bottom:none;border-radius:7px 7px 0 0;
}
.foot-brand__name{font-size:15px;font-weight:700;color:#fff;line-height:1.3}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

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

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero__grid{gap:36px}
  .pain__grid{gap:36px}
  .solve-row{gap:32px}
}
@media (max-width:1023px){
  :root{--sp-section:56px}
  .container{padding:0 24px}
  .nav__menu{display:none}
  .nav__toggle{display:inline-flex}
  .nav__actions .btn--ghost{display:none}
  .hero__grid{grid-template-columns:1fr;gap:32px}
  .hero__media{order:2;max-width:640px}
  .pain__grid{grid-template-columns:1fr}
  .pain__list{grid-template-columns:1fr 1fr}
  .solve-row{grid-template-columns:1fr}
  .solve-row--flip .solve-row__media,.solve-row--flip .solve-row__body{order:0}
  .news-grid{grid-template-columns:1fr}
  .voice-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  :root{--sp-section:40px}
  .container{padding:0 16px}
  .topbar__note,.topbar__link{display:none}
  .brand__name{font-size:14px}
  .brand__sub{display:none}
  .nav__inner{height:64px;gap:12px}
  .nav__actions .btn--primary{display:none}
  .hero{padding:40px 0 48px}
  .hero__actions{flex-direction:column;align-items:stretch}
  .hero__actions .btn{width:100%}
  .pain__list{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .stat{border-right:none;border-bottom:1px solid rgba(255,255,255,.14);padding:22px 16px}
  .stat:nth-child(odd){border-right:1px solid rgba(255,255,255,.14)}
  .cta-card{padding:26px 20px}
  .cta-card__actions{width:100%}
  .cta-card__actions .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;padding:40px 0 28px}
  .faq-q{padding:16px 18px;font-size:16px}
  .faq-a__inner{padding:0 18px 18px}
}
@media (max-width:480px){
  .hero h1{font-size:28px}
  .stats{grid-template-columns:1fr 1fr}
  .stat__num{font-size:28px}
  .mini-card{grid-template-columns:80px 1fr;gap:12px}
  .mini-card__media,.mini-card__media img{width:80px;height:56px}
}

/* roulang page: article */
:root{
  --primary:#0E3D2C;
  --primary-soft:rgba(14,61,44,.08);
  --accent:#F05A22;
  --accent-dark:#D34B18;
  --dark:#101613;
  --bg:#F5F4EF;
  --bg-alt:#EEEDE6;
  --card:#FFFFFF;
  --border:#DCDCD3;
  --border-dark:rgba(255,255,255,.14);
  --text:#171A18;
  --text-2:#5A625D;
  --muted:#9AA09B;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(16,19,17,.06);
  --sh-2:0 10px 24px rgba(16,19,17,.10);
  --sec-y:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,"Inter",sans-serif;
  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}
button{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--primary);color:#E3EEE7;font-size:13px}
.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:10px;min-width:0}
.topbar__domain{font-weight:600;letter-spacing:.02em;color:#fff}
.topbar__hint{color:#B9CFC2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar__right{display:flex;align-items:center;gap:14px}
.topbar__link{color:#D6E5DB;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.topbar__link:hover{color:#fff}
.topbar__btn{border:1px solid rgba(255,255,255,.38);border-radius:var(--r-pill);padding:4px 14px;font-size:12px;color:#fff;transition:background .2s ease}
.topbar__btn:hover{background:rgba(255,255,255,.14)}

/* ---------- 主导航 ---------- */
.site-nav{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--border);transition:box-shadow .25s ease}
.site-nav.is-scrolled{box-shadow:var(--sh-1)}
.nav__inner{display:flex;align-items:center;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand__mark{width:34px;height:34px;border-radius:10px;background:var(--primary);display:grid;place-items:center;flex-shrink:0}
.brand__mark span{display:block;width:13px;height:16px;border:2px solid #fff;border-bottom:none;border-radius:4px 4px 0 0}
.brand__text{display:flex;flex-direction:column;line-height:1.2}
.brand__name{font-size:16px;font-weight:700;color:var(--primary);white-space:nowrap}
.brand__sub{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.nav__menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav__link{position:relative;padding:10px 12px;font-size:15px;color:var(--text-2);border-radius:8px;white-space:nowrap}
.nav__link:hover{color:var(--primary)}
.nav__link.is-active{color:var(--primary);font-weight:600}
.nav__link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--primary)}
.nav__actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav__toggle{display:none;width:44px;height:44px;place-items:center;background:#fff;border:1px solid var(--border);border-radius:var(--r-btn);cursor:pointer}
.nav__toggle span{position:relative;display:block;width:20px;height:2px;border-radius:2px;background:var(--primary)}
.nav__toggle span::before,.nav__toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;border-radius:2px;background:var(--primary)}
.nav__toggle span::before{top:-6px}
.nav__toggle span::after{top:6px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.btn--primary{background:var(--accent);color:#fff}
.btn--primary:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--primary:active{transform:none;box-shadow:var(--sh-1)}
.btn--ghost{background:#fff;border-color:var(--primary);color:var(--primary)}
.btn--ghost:hover{background:var(--primary-soft)}
.btn--sm{padding:9px 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 抽屉导航 ---------- */
.drawer-overlay{position:fixed;inset:0;background:rgba(16,19,17,.45);opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:80}
.drawer-overlay.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;height:100%;width:82%;max-width:360px;background:#fff;z-index:90;transform:translateX(100%);transition:transform .3s ease;padding:18px 20px 32px;overflow-y:auto;box-shadow:var(--sh-2)}
.drawer.is-open{transform:none}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--border)}
.drawer__title{font-size:15px;font-weight:700;color:var(--primary)}
.drawer__close{width:44px;height:44px;border:1px solid var(--border);border-radius:var(--r-btn);background:#fff;font-size:20px;line-height:1;cursor:pointer;color:var(--text-2)}
.drawer__close:hover{color:var(--primary);border-color:var(--primary)}
.drawer__nav{margin-top:8px}
.drawer__nav a{display:block;padding:14px 2px;border-bottom:1px solid var(--border);font-size:16px;color:var(--text)}
.drawer__nav a:hover{color:var(--primary)}
.drawer__cta{margin-top:22px}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:20px 0 0;font-size:13px;color:var(--text-2);display:flex;flex-wrap:wrap;align-items:center;gap:4px}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--accent-dark)}
.breadcrumb .sep{color:var(--muted)}
.breadcrumb .current{color:var(--text)}

/* ---------- 文章头部 ---------- */
.article-hero{background:#fff;border-bottom:1px solid var(--border);padding:26px 0 48px;margin-top:20px}
.article-head{max-width:760px;margin:0 auto}
.badge{display:inline-block;font-size:12px;line-height:1.8;padding:2px 12px;border-radius:var(--r-pill);background:var(--primary-soft);border:1px solid rgba(14,61,44,.18);color:var(--primary)}
.article-head h1{font-size:clamp(26px,3.4vw,34px);line-height:1.32;font-weight:700;margin:14px 0 14px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-2)}
.article-meta .dot{color:var(--muted)}
.article-lead{margin-top:20px;padding-left:16px;border-left:3px solid var(--primary);font-size:15.5px;line-height:1.85;color:var(--text-2)}

/* ---------- 正文布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,760px) 200px;gap:48px;justify-content:center;padding:48px 0 var(--sec-y)}
.article-main{min-width:0}
.article-body{font-size:16.5px;line-height:1.9;color:var(--text)}
.article-body>*+*{margin-top:1.2em}
.article-body p{margin:0 0 1.2em}
.article-body h2{position:relative;font-size:clamp(20px,2.4vw,24px);line-height:1.4;font-weight:700;margin:40px 0 16px;padding-left:14px}
.article-body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--primary)}
.article-body h3{font-size:20px;line-height:1.5;font-weight:600;margin:32px 0 12px}
.article-body img{width:100%;border-radius:var(--r-img);margin:24px 0 8px}
.article-body blockquote{margin:24px 0;padding:16px 20px;border-left:4px solid var(--primary);background:var(--bg-alt);border-radius:0 var(--r-img) var(--r-img) 0;color:var(--text-2)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:22px}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body li{line-height:1.8;margin-bottom:8px}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--accent-dark)}
.article-body strong{font-weight:700}
.article-body code{padding:2px 6px;border-radius:6px;background:var(--bg-alt);font-size:14px}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:20px 0}
.article-body th,.article-body td{border:1px solid var(--border);padding:10px 12px;text-align:left}
.article-body th{background:var(--bg-alt);font-weight:600}
.article-body hr{border:none;border-top:1px solid var(--border);margin:32px 0}

/* ---------- 正文尾部 ---------- */
.article-foot{margin-top:44px;padding-top:24px;border-top:1px solid var(--border);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:12px;line-height:1.9;padding:2px 12px;border-radius:var(--r-pill);border:1px solid var(--border);background:#fff;color:var(--text-2)}
.to-top{padding:8px 16px;font-size:13px;font-weight:600;border:1px solid var(--border);border-radius:var(--r-pill);background:#fff;color:var(--text-2);cursor:pointer;transition:color .2s ease,border-color .2s ease}
.to-top:hover{color:var(--primary);border-color:var(--primary)}

/* ---------- 空态 ---------- */
.empty-state{margin:8px 0 0;padding:56px 24px;text-align:center;background:#fff;border:1px dashed var(--border);border-radius:var(--r-card)}
.empty-state__icon{width:44px;height:44px;margin:0 auto 14px;border-radius:12px;background:var(--bg-alt);display:grid;place-items:center;color:var(--muted);font-size:20px}
.empty-state__title{font-size:17px;font-weight:600;margin-bottom:8px}
.empty-state__text{font-size:14px;color:var(--text-2);margin-bottom:18px}

/* ---------- 侧栏 ---------- */
.article-aside{position:sticky;top:96px;align-self:start}
.aside-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:18px;box-shadow:var(--sh-1)}
.aside-card+.aside-card{margin-top:16px}
.aside-card h4{font-size:13px;letter-spacing:.06em;color:var(--muted);font-weight:600;margin-bottom:10px}
.aside-list a{display:block;padding:9px 0;font-size:14px;color:var(--text-2);border-top:1px dashed var(--border)}
.aside-list li:first-child a{border-top:none}
.aside-list a:hover{color:var(--accent-dark)}

/* ---------- 延伸阅读 ---------- */
.related{background:var(--bg-alt);padding:var(--sec-y) 0}
.related__head{max-width:760px;margin:0 auto 28px;text-align:center}
.related__head h2{font-size:clamp(22px,2.6vw,28px);font-weight:700;line-height:1.35;margin-bottom:10px}
.related__head p{font-size:15px;color:var(--text-2)}
.related__box{max-width:760px;margin:0 auto;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:26px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;box-shadow:var(--sh-1)}
.related__box p{font-size:15px;color:var(--text-2);max-width:430px}

/* ---------- 底部 CTA ---------- */
.cta-section{padding:var(--sec-y) 0;background:var(--bg)}
.cta-card{background:#fff;border:1px solid var(--primary);border-radius:var(--r-card);padding:34px 32px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;box-shadow:var(--sh-1)}
.cta-card h2{font-size:clamp(21px,2.4vw,26px);font-weight:700;line-height:1.4;margin-bottom:8px}
.cta-card p{font-size:15px;color:var(--text-2);max-width:560px}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--dark);color:#C7D0CA;font-size:14px}
.foot-top{border-bottom:1px solid var(--border-dark)}
.foot-top__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;padding:26px 32px}
.foot-top__title{font-size:18px;font-weight:700;color:#fff}
.foot-top__desc{font-size:14px;color:#9FAAA3;margin-top:4px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding:48px 32px 36px}
.foot-col h3{font-size:15px;color:#fff;font-weight:600;margin-bottom:14px}
.foot-col p{font-size:14px;line-height:1.85;color:#9FAAA3;max-width:320px}
.foot-col ul li{margin-bottom:10px}
.foot-col a{font-size:14px;color:#C7D0CA}
.foot-col a:hover{color:var(--accent)}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.foot-brand__mark{width:30px;height:30px;border-radius:9px;background:#1B2A22;border:1px solid var(--border-dark);display:grid;place-items:center}
.foot-brand__mark span{display:block;width:11px;height:14px;border:2px solid #fff;border-bottom:none;border-radius:3px 3px 0 0}
.foot-brand__name{font-size:15px;font-weight:700;color:#fff}
.foot-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding:18px 32px 26px;border-top:1px solid var(--border-dark);font-size:13px;color:var(--muted)}

@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 180px;gap:32px}
}
@media (max-width:1023px){
  :root{--sec-y:56px}
  .container{padding:0 24px}
  .nav__menu{display:none}
  .nav__toggle{display:grid}
  .nav__actions .btn{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-aside{display:none}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  :root{--sec-y:40px}
  .container{padding:0 16px}
  .topbar__hint,.topbar__link{display:none}
  .brand__name{font-size:15px}
  .article-head h1{font-size:24px}
  .article-body{font-size:16px}
  .cta-card{padding:24px 20px}
  .cta-card .btn{width:100%}
  .related__box{padding:20px}
  .related__box .btn{width:100%}
  .foot-top__inner{padding:22px 16px}
  .foot-grid{grid-template-columns:1fr;padding:36px 16px 28px}
  .foot-bottom{padding:16px 16px 24px}
}
@media (max-width:479px){
  .article-head h1{font-size:22px}
  .article-meta{font-size:12.5px}
  .btn{padding:11px 18px;font-size:14px}
}

.reveal{opacity:1;transform:none}

/* roulang page: category1 */
:root{
  --green:#0E3D2C;
  --green-soft:rgba(14,61,44,.08);
  --green-line:rgba(14,61,44,.22);
  --orange:#F05A22;
  --orange-dark:#D34B18;
  --orange-soft:rgba(240,90,34,.10);
  --dark:#101613;
  --bg:#F5F4EF;
  --white:#FFFFFF;
  --alt:#EEEDE6;
  --line:#DCDCD3;
  --line-dark:rgba(255,255,255,.14);
  --text:#171A18;
  --muted:#5A625D;
  --faint:#9AA09B;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(16,19,17,.06);
  --sh-2:0 10px 24px rgba(16,19,17,.10);
  --maxw:1200px;
  --read:760px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,"Inter",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
button,input,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:4px;}
body.is-locked{overflow:hidden;}

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

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.3;cursor:pointer;
  transition:transform .18s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn--primary{background:var(--orange);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{background:var(--orange-dark);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:transparent;color:var(--green);border-color:var(--green);}
.btn--ghost:hover{background:var(--green-soft);transform:translateY(-1px);}
.btn--ghost:active{transform:translateY(0);}
.btn--sm{padding:9px 18px;font-size:14px;}
.btn--block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

.link-text{
  color:var(--green);font-weight:600;font-size:15px;
  border-bottom:1px solid var(--green-line);padding-bottom:2px;
}
.link-text:hover{color:var(--orange);border-color:var(--orange);}

/* ---------- 主导航 ---------- */
.site-nav{
  position:sticky;top:0;z-index:60;background:var(--white);
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease;
}
.site-nav.is-scrolled{box-shadow:var(--sh-1);}
.nav__inner{display:flex;align-items:center;gap:32px;min-height:70px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand__mark{
  width:36px;height:36px;border-radius:10px;background:var(--green);
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
}
.brand__mark span{
  display:block;width:14px;height:18px;border:2px solid #fff;border-bottom:none;
  border-radius:6px 6px 0 0;position:relative;
}
.brand__mark span::after{
  content:"";position:absolute;left:50%;bottom:-5px;transform:translateX(-50%);
  width:14px;height:2px;background:var(--orange);border-radius:2px;
}
.brand__text{display:flex;flex-direction:column;line-height:1.2;}
.brand__name{font-size:16px;font-weight:700;color:var(--green);letter-spacing:.2px;}
.brand__sub{font-size:11px;color:var(--faint);letter-spacing:1.4px;text-transform:uppercase;}
.nav__menu{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav__link{
  position:relative;font-size:15px;color:var(--muted);padding:6px 0;font-weight:500;
}
.nav__link:hover{color:var(--green);}
.nav__link.is-active{color:var(--green);font-weight:700;}
.nav__link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--green);border-radius:2px;
}
.nav__actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav__toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--white);
  border-radius:10px;cursor:pointer;position:relative;
}
.nav__toggle span,.nav__toggle::before,.nav__toggle::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  width:18px;height:2px;background:var(--green);border-radius:2px;transition:.25s ease;
}
.nav__toggle span{top:50%;margin-top:-1px;}
.nav__toggle::before{top:14px;}
.nav__toggle::after{bottom:14px;}
.nav__toggle.is-active span{opacity:0;}
.nav__toggle.is-active::before{top:21px;transform:translateX(-50%) rotate(45deg);}
.nav__toggle.is-active::after{bottom:21px;transform:translateX(-50%) rotate(-45deg);}
.nav-mask{
  position:fixed;inset:0;background:rgba(16,19,17,.45);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:70;
}
.nav-mask.is-open{opacity:1;visibility:visible;}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--orange);}
.crumb span{color:var(--faint);}
.crumb .crumb__current{color:var(--text);font-weight:600;}

/* ---------- 窄版 Hero ---------- */
.page-hero{
  background:linear-gradient(180deg,#F2F1EA 0%,var(--bg) 100%);
  padding:44px 0 60px;
  border-bottom:1px solid var(--line);
}
.page-hero__grid{
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;margin-top:26px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:var(--r-pill);
  background:var(--orange-soft);color:var(--orange-dark);font-size:12px;font-weight:600;
  border:1px solid rgba(240,90,34,.24);margin-bottom:16px;
}
.page-hero h1{
  font-size:clamp(28px,3.4vw,40px);line-height:1.28;font-weight:700;letter-spacing:.2px;
  margin-bottom:18px;
}
.page-hero h1 em{font-style:normal;color:var(--orange-dark);}
.page-hero__lead{font-size:16px;color:var(--muted);max-width:600px;margin-bottom:26px;}
.page-hero__actions{display:flex;flex-wrap:wrap;gap:14px;}
.page-hero__media{
  position:relative;border-radius:16px;overflow:hidden;box-shadow:var(--sh-1);
  border:1px solid var(--line);
}
.page-hero__media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.page-hero__media::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,19,17,.04),rgba(16,19,17,.16));
}
.page-hero__tag{
  position:absolute;left:16px;bottom:16px;z-index:2;background:rgba(255,255,255,.94);
  color:var(--green);font-size:12px;font-weight:600;padding:6px 14px;border-radius:var(--r-pill);
}

/* ---------- 板块通用 ---------- */
.section{padding:72px 0;}
.section--white{background:var(--white);}
.section--alt{background:var(--alt);}
.section--dark{background:var(--green);color:#EAF1EC;}
.section__head{max-width:720px;margin-bottom:40px;}
.section__head h2{
  font-size:clamp(23px,2.6vw,32px);line-height:1.32;font-weight:700;
  position:relative;padding-left:16px;margin-bottom:14px;
}
.section__head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;
  background:var(--green);border-radius:3px;
}
.section--dark .section__head h2::before{background:var(--orange);}
.section__head p{color:var(--muted);font-size:16px;}
.section--dark .section__head p{color:#B9C7BE;}

/* ---------- 步骤时间轴 ---------- */
.steps-layout{display:grid;grid-template-columns:7fr 4fr;gap:56px;align-items:start;}
.timeline{position:relative;}
.tl-item{position:relative;padding-left:64px;padding-bottom:34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:19px;top:46px;bottom:6px;width:2px;
  background:var(--line);border-radius:2px;
}
.tl-item:last-child::before{display:none;}
.tl-item__dot{
  position:absolute;left:0;top:4px;width:40px;height:40px;border-radius:50%;
  background:var(--white);border:1px solid var(--green-line);color:var(--green);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
  box-shadow:var(--sh-1);
}
.tl-item__body h3{font-size:19px;font-weight:600;line-height:1.45;margin-bottom:10px;}
.tl-item__body p{color:var(--muted);font-size:15.5px;margin-bottom:8px;}
.tl-item__body p:last-child{margin-bottom:0;}
.tl-item__tag{
  display:inline-block;font-size:12px;color:var(--orange-dark);background:var(--orange-soft);
  border:1px solid rgba(240,90,34,.2);border-radius:var(--r-pill);padding:3px 10px;margin-bottom:10px;
}

.steps-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.steps-side__pic{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);
}
.steps-side__pic img{width:100%;aspect-ratio:3/4;object-fit:cover;}
.side-note{
  background:var(--white);border:1px solid var(--line);border-left:3px solid var(--orange);
  border-radius:var(--r-card);padding:20px 22px;box-shadow:var(--sh-1);
}
.side-note h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.side-note p{font-size:14.5px;color:var(--muted);}

/* ---------- 提示信息对照 ---------- */
.hint-list{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
}
.hint-row{
  display:grid;grid-template-columns:3fr 9fr;gap:32px;padding:24px 28px;
  border-bottom:1px solid var(--line);
}
.hint-row:last-child{border-bottom:none;}
.hint-row dt{font-size:16px;font-weight:600;color:var(--green);}
.hint-row dd{font-size:15.5px;color:var(--muted);}
.hint-row dd strong{color:var(--text);font-weight:600;}

/* ---------- 核对清单 ---------- */
.check-layout{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:start;}
.check-layout h3{font-size:21px;font-weight:600;margin-bottom:20px;}
.check-list li{
  position:relative;padding-left:30px;margin-bottom:14px;color:var(--muted);font-size:15.5px;
}
.check-list li::before{
  content:"";position:absolute;left:2px;top:11px;width:12px;height:7px;
  border-left:2px solid var(--orange);border-bottom:2px solid var(--orange);
  transform:rotate(-45deg);border-radius:1px;
}
.note-card{
  background:var(--alt);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;margin-bottom:22px;
}
.note-card h4{font-size:16px;font-weight:600;color:var(--green);margin-bottom:10px;}
.note-card p{font-size:15px;color:var(--muted);}
.check-body p{font-size:15.5px;color:var(--muted);margin-bottom:14px;}

/* ---------- FAQ ---------- */
.faq-list{max-width:var(--read);}
.faq-item{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:14px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{box-shadow:var(--sh-1);}
.faq-item[open]{border-left:3px solid var(--green);box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 56px 20px 24px;position:relative;
  font-size:17px;font-weight:600;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--green);transition:transform .25s ease,color .2s ease;
}
.faq-item[open] summary::after{content:"–";color:var(--orange);}
.faq-item summary:hover{color:var(--green);}
.faq-item__body{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--muted);}
.faq-item__body p{margin-bottom:10px;}
.faq-item__body p:last-child{margin-bottom:0;}

/* ---------- CTA 表单 ---------- */
.cta-band{
  background:var(--white);border:1px solid var(--green-line);border-radius:18px;
  padding:44px;box-shadow:var(--sh-1);
}
.cta-band__grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.cta-band h2{
  font-size:clamp(22px,2.4vw,30px);line-height:1.34;font-weight:700;margin-bottom:14px;
  padding-left:16px;position:relative;
}
.cta-band h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;background:var(--orange);border-radius:3px;
}
.cta-band__intro p{color:var(--muted);font-size:15.5px;margin-bottom:16px;}
.cta-points li{font-size:15px;color:var(--muted);padding-left:20px;position:relative;margin-bottom:10px;}
.cta-points li::before{
  content:"";position:absolute;left:0;top:12px;width:7px;height:7px;border-radius:50%;background:var(--orange);
}
.cta-form{display:flex;flex-direction:column;gap:18px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:14px;font-weight:600;color:var(--green);}
.field input,.field textarea{
  width:100%;padding:0 14px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--white);font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:104px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:hover,.field textarea:hover{border-color:#C7C7BC;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--orange);box-shadow:0 0 0 3px var(--orange-soft);
}
.field.is-error input,.field.is-error textarea{border-color:#C8382E;}
.field__err{display:none;font-size:13px;color:#C8382E;}
.field.is-error .field__err{display:block;}
.form-status{font-size:14px;color:var(--green);min-height:20px;}
.form-status.is-ok{color:var(--green);}
.form-status.is-bad{color:#C8382E;}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--dark);color:#B7C0BA;font-size:14.5px;}
.foot-top{
  border-bottom:1px solid var(--line-dark);
  background:linear-gradient(90deg,rgba(14,61,44,.55),rgba(16,19,17,0));
}
.foot-top__inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:32px 32px;flex-wrap:wrap;
}
.foot-top__title{font-size:20px;font-weight:700;color:#fff;margin-bottom:6px;}
.foot-top__desc{font-size:14px;color:#A8B4AC;}
.foot-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding:52px 32px 40px;
}
.foot-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.foot-col ul li{margin-bottom:10px;}
.foot-col ul li a{color:#B7C0BA;}
.foot-col ul li a:hover{color:#8FC7A9;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-brand__mark{
  width:30px;height:30px;border-radius:8px;background:rgba(255,255,255,.10);
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-dark);
}
.foot-brand__mark span{display:block;width:12px;height:15px;border:2px solid #fff;border-bottom:none;border-radius:5px 5px 0 0;position:relative;}
.foot-brand__name{font-size:15px;font-weight:700;color:#fff;}
.foot-col p{font-size:14px;color:#9FAAA3;line-height:1.8;}
.foot-bottom{
  border-top:1px solid var(--line-dark);padding:20px 32px 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#848F89;
}

/* ---------- 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){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .steps-layout{gap:40px;grid-template-columns:7fr 5fr;}
  .cta-band{padding:36px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:56px 0;}
  .nav__inner{gap:20px;}
  .nav__menu{gap:18px;}
  .page-hero__grid{grid-template-columns:1fr;gap:32px;}
  .page-hero{padding:36px 0 48px;}
  .steps-layout{grid-template-columns:1fr;gap:36px;}
  .steps-side{position:static;flex-direction:row;align-items:stretch;}
  .steps-side__pic{flex:1;}
  .steps-side__pic img{aspect-ratio:4/3;}
  .side-note{flex:1;display:flex;flex-direction:column;justify-content:center;}
  .check-layout{grid-template-columns:1fr;gap:36px;}
  .cta-band__grid{grid-template-columns:1fr;gap:32px;}
  .hint-row{grid-template-columns:1fr;gap:8px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:40px 0;}
  .site-nav .nav__toggle{display:block;}
  .nav__menu{
    position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;z-index:80;
    background:var(--white);flex-direction:column;align-items:flex-start;gap:6px;
    padding:84px 24px 32px;margin:0;transform:translateX(104%);
    transition:transform .28s ease;box-shadow:var(--sh-2);overflow-y:auto;
  }
  .nav__menu.is-open{transform:translateX(0);}
  .nav__link{width:100%;padding:14px 4px;border-bottom:1px solid var(--line);font-size:16px;}
  .nav__link.is-active::after{display:none;}
  .nav__link.is-active{color:var(--orange-dark);}
  .nav__actions .btn{padding:9px 14px;font-size:13.5px;}
  .brand__sub{display:none;}
  .brand__name{font-size:15px;}
  .page-hero__actions{flex-direction:column;align-items:stretch;}
  .page-hero__actions .btn{width:100%;}
  .tl-item{padding-left:56px;}
  .steps-side{flex-direction:column;}
  .cta-band{padding:24px;}
  .form-row{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;padding:40px 16px 28px;gap:28px;}
  .foot-top__inner{padding:26px 16px;}
  .foot-bottom{padding:18px 16px 24px;flex-direction:column;gap:6px;}
}
@media (max-width:480px){
  .page-hero h1{font-size:26px;}
  .brand__name{font-size:14px;}
  .hint-row{padding:20px;}
  .faq-item summary{font-size:16px;padding:18px 48px 18px 20px;}
  .faq-item__body{padding:0 20px 20px;}
}

/* roulang page: category2 */
:root{
  --green:#0E3D2C;
  --green-soft:#17503A;
  --orange:#F05A22;
  --orange-dark:#D34B18;
  --dark:#101613;
  --bg:#F5F4EF;
  --white:#FFFFFF;
  --alt:#EEEDE6;
  --border:#DCDCD3;
  --text:#171A18;
  --muted:#5A625D;
  --disabled:#9AA09B;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 2px 8px rgba(16,19,17,.06);
  --shadow-2:0 10px 24px rgba(16,19,17,.10);
  --container:1200px;
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,"Inter",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:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}

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

/* ---------- 顶部信息条 ---------- */
.top-bar{
  background:var(--green);
  color:rgba(255,255,255,.86);
  font-size:13px;
  line-height:1.4;
}
.top-bar__inner{
  min-height:38px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:8px;
  padding-bottom:8px;
}
.top-bar__left{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:0;
}
.top-bar__domain{
  font-weight:600;
  letter-spacing:.02em;
  color:#fff;
}
.top-bar__divider{
  width:1px;
  height:14px;
  background:rgba(255,255,255,.28);
}
.top-bar__note{
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.top-bar__right{
  display:flex;
  align-items:center;
  gap:16px;
}
.top-bar__link{
  color:rgba(255,255,255,.86);
  border-bottom:1px solid rgba(255,255,255,.35);
  padding-bottom:1px;
  transition:color .2s ease,border-color .2s ease;
}
.top-bar__link:hover{color:#fff;border-color:#fff;}
.top-bar__btn{
  display:inline-flex;
  align-items:center;
  padding:5px 14px;
  font-size:13px;
  font-weight:600;
  color:#fff;
  border:1px solid rgba(255,255,255,.45);
  border-radius:999px;
  transition:background .2s ease,border-color .2s ease;
}
.top-bar__btn:hover{background:rgba(255,255,255,.12);border-color:#fff;}

/* ---------- 主导航 ---------- */
.site-nav{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--white);
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-nav.is-scrolled{box-shadow:var(--shadow-1);}
.nav__inner{
  min-height:68px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand__mark{
  position:relative;
  width:30px;
  height:30px;
  border:2px solid var(--green);
  border-radius:8px;
  flex-shrink:0;
}
.brand__mark span{
  position:absolute;
  left:50%;
  bottom:0;
  transform:translateX(-50%);
  width:10px;
  height:15px;
  background:var(--orange);
  border-radius:3px 3px 0 0;
}
.brand__text{display:flex;flex-direction:column;line-height:1.2;}
.brand__name{
  font-size:15px;
  font-weight:700;
  color:var(--green);
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand__sub{
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--disabled);
}
.nav__menu{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:auto;
}
.nav__link{
  position:relative;
  font-size:15px;
  color:var(--text);
  padding:6px 0;
  white-space:nowrap;
  transition:color .2s ease;
}
.nav__link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-2px;
  height:2px;
  background:transparent;
  border-radius:2px;
  transition:background .2s ease;
}
.nav__link:hover{color:var(--green);}
.nav__link.is-active{
  color:var(--green);
  font-weight:700;
}
.nav__link.is-active::after{background:var(--green);}
.nav__actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.nav__toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--border);
  border-radius:10px;
  background:var(--white);
  cursor:pointer;
  position:relative;
  transition:background .2s ease,border-color .2s ease;
}
.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after{
  position:absolute;
  left:50%;
  width:18px;
  height:2px;
  background:var(--green);
  border-radius:2px;
  transform:translateX(-50%);
  transition:transform .25s ease,opacity .25s ease;
}
.nav__toggle span{top:50%;margin-top:-1px;}
.nav__toggle span::before{content:"";top:-6px;left:0;transform:none;}
.nav__toggle span::after{content:"";top:6px;left:0;transform:none;}
.nav__toggle:hover{background:var(--alt);}
.is-menu-open .nav__toggle span{background:transparent;}
.is-menu-open .nav__toggle span::before{transform:rotate(45deg);top:0;}
.is-menu-open .nav__toggle span::after{transform:rotate(-45deg);top:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:background .22s ease,color .22s ease,box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.btn--primary{
  background:var(--orange);
  color:#fff;
  box-shadow:var(--shadow-1);
}
.btn--primary:hover{
  background:var(--orange-dark);
  transform:translateY(-1px);
  box-shadow:var(--shadow-2);
}
.btn--primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn--ghost{
  background:transparent;
  border-color:var(--green);
  color:var(--green);
}
.btn--ghost:hover{background:rgba(14,61,44,.08);transform:translateY(-1px);}
.btn--ghost:active{transform:translateY(0);}
.btn--sm{padding:9px 18px;font-size:14px;}
.btn--block{width:100%;}
.btn:focus-visible,
.nav__link:focus-visible,
.nav__toggle:focus-visible,
input:focus-visible,
textarea:focus-visible,
summary:focus-visible{
  outline:2px solid var(--orange);
  outline-offset:2px;
}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 通用标签 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--green);
  background:rgba(14,61,44,.07);
  border:1px solid rgba(14,61,44,.18);
  border-radius:999px;
}
.tag--orange{
  color:var(--orange-dark);
  background:rgba(240,90,34,.09);
  border-color:rgba(240,90,34,.24);
}
.section{padding:72px 0;}
.section--white{background:var(--white);}
.section--alt{background:var(--alt);}
.section--dark{background:var(--green);color:rgba(255,255,255,.92);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:.01em;
  position:relative;
  padding-left:16px;
}
.section-head--center h2{padding-left:0;}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  bottom:6px;
  width:4px;
  border-radius:2px;
  background:var(--green);
}
.section-head--center h2::before{display:none;}
.section-head p{
  margin-top:16px;
  font-size:15px;
  color:var(--muted);
  line-height:1.85;
}

/* ---------- 面包屑 ---------- */
.crumb{
  font-size:13px;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  margin-bottom:20px;
}
.crumb a{color:var(--muted);transition:color .2s ease;}
.crumb a:hover{color:var(--orange);}
.crumb span.sep{color:var(--disabled);}
.crumb .current{color:var(--green);font-weight:600;}

/* ---------- 窄版 Hero ---------- */
.hero-narrow{
  background:var(--white);
  padding:44px 0 56px;
  border-bottom:1px solid var(--border);
}
.hero-narrow__inner{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:48px;
  align-items:center;
}
.hero-narrow h1{
  font-size:clamp(28px,3.4vw,42px);
  line-height:1.25;
  font-weight:700;
  margin:16px 0 18px;
  letter-spacing:.01em;
}
.hero-narrow h1 em{
  font-style:normal;
  color:var(--orange);
}
.hero-narrow__lead{
  font-size:16px;
  color:var(--muted);
  line-height:1.85;
  max-width:52ch;
  padding-left:14px;
  border-left:3px solid var(--orange);
}
.hero-narrow__actions{
  display:flex;
  align-items:center;
  gap:14px;
  margin-top:26px;
  flex-wrap:wrap;
}
.hero-narrow__trust{
  margin-top:20px;
  font-size:13px;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.hero-narrow__trust i{
  font-style:normal;
  color:var(--disabled);
}
.hero-narrow__media{
  position:relative;
  border-radius:16px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
  aspect-ratio:16/11;
  background:var(--alt);
}
.hero-narrow__media img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.hero-narrow__media::after{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(16,19,23,.12);
}
.hero-narrow__badge{
  position:absolute;
  left:16px;
  bottom:16px;
  z-index:2;
  background:rgba(255,255,255,.94);
  color:var(--green);
  font-size:12px;
  font-weight:600;
  padding:7px 14px;
  border-radius:999px;
  letter-spacing:.02em;
}

/* ---------- 宽幅视觉图 ---------- */
.map-banner{padding:56px 0 0;}
.map-banner__frame{
  position:relative;
  border-radius:var(--radius-img);
  overflow:hidden;
  aspect-ratio:21/9;
  background:var(--alt);
  box-shadow:var(--shadow-1);
}
.map-banner__frame img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.map-banner__frame::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(16,19,23,.05) 40%,rgba(16,19,23,.55) 100%);
}
.map-banner__caption{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  z-index:2;
  padding:24px 28px;
  color:rgba(255,255,255,.94);
  font-size:14px;
  line-height:1.7;
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
}
.map-banner__caption .tag{
  background:rgba(255,255,255,.18);
  border-color:rgba(255,255,255,.32);
  color:#fff;
}

/* ---------- 双栏对照结构 ---------- */
.compare{
  display:grid;
  grid-template-columns:1fr 1.08fr;
  gap:48px;
  align-items:start;
}
.checklist{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:8px 24px 16px;
}
.checklist__title{
  font-size:15px;
  font-weight:700;
  color:var(--green);
  letter-spacing:.04em;
  padding:18px 0 14px;
  border-bottom:1px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.checklist__title small{
  font-size:12px;
  font-weight:500;
  color:var(--muted);
  letter-spacing:0;
}
.checklist li{
  display:flex;
  gap:14px;
  padding:16px 0;
  border-bottom:1px dashed var(--border);
}
.checklist li:last-child{border-bottom:0;}
.checklist__num{
  flex-shrink:0;
  width:26px;
  height:26px;
  border-radius:8px;
  background:rgba(14,61,44,.08);
  color:var(--green);
  font-size:13px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-top:3px;
}
.checklist__body h3{
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  margin-bottom:4px;
}
.checklist__body p{
  font-size:14px;
  color:var(--muted);
  line-height:1.75;
}
.compare__main p{
  font-size:16px;
  line-height:1.9;
  margin-bottom:20px;
  max-width:42ch;
}
.compare__main p:last-of-type{margin-bottom:0;}
.tip-card{
  margin-top:28px;
  background:var(--alt);
  border:1px solid var(--border);
  border-left:4px solid var(--orange);
  border-radius:var(--radius-card);
  padding:22px 24px;
}
.tip-card h3{
  font-size:16px;
  font-weight:700;
  color:var(--green);
  margin-bottom:8px;
}
.tip-card p{
  font-size:14px;
  color:var(--muted);
  line-height:1.8;
}

/* ---------- 路线节点 ---------- */
.route{
  position:relative;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
  margin-top:8px;
}
.route::before{
  content:"";
  position:absolute;
  top:15px;
  left:6%;
  right:6%;
  height:2px;
  background:repeating-linear-gradient(90deg,var(--border) 0 10px,transparent 10px 18px);
}
.route__node{
  position:relative;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:28px 24px 24px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.route__node:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.route__dot{
  position:absolute;
  top:-11px;
  left:24px;
  width:32px;
  height:32px;
  border-radius:50%;
  background:var(--green);
  color:#fff;
  font-size:13px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  border:4px solid var(--white);
  box-shadow:var(--shadow-1);
}
.route__node h3{
  font-size:18px;
  font-weight:700;
  margin:12px 0 10px;
  line-height:1.45;
}
.route__node p{
  font-size:14px;
  color:var(--muted);
  line-height:1.8;
}
.route__node .tag{margin-bottom:2px;}

/* ---------- 深色数据/说明条 ---------- */
.facts{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  margin-top:8px;
}
.fact{
  padding:8px 24px;
  border-left:1px solid rgba(255,255,255,.18);
}
.fact:first-child{border-left:0;padding-left:0;}
.fact__value{
  font-size:40px;
  line-height:1.1;
  font-weight:700;
  letter-spacing:.01em;
}
.fact__label{
  margin-top:8px;
  font-size:13px;
  color:rgba(255,255,255,.72);
  line-height:1.7;
}
.section--dark .section-head h2{color:#fff;}
.section--dark .section-head h2::before{background:var(--orange);}
.section--dark .section-head p{color:rgba(255,255,255,.74);}

/* ---------- FAQ ---------- */
.faq-list{
  max-width:860px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.faq-item{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:box-shadow .25s ease;
}
.faq-item:hover{box-shadow:var(--shadow-2);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 24px;
  font-size:17px;
  font-weight:700;
  line-height:1.6;
  border-left:3px solid transparent;
  transition:border-color .25s ease,color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  flex-shrink:0;
  width:26px;
  height:26px;
  border-radius:50%;
  border:1px solid var(--border);
  color:var(--green);
  font-size:16px;
  font-weight:600;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item[open] summary{
  border-left-color:var(--green);
  color:var(--green);
}
.faq-item[open] summary::after{
  content:"−";
  background:var(--green);
  border-color:var(--green);
  color:#fff;
}
.faq-item__body{
  padding:0 24px 22px 24px;
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
  border-left:3px solid var(--green);
}
.faq-item__body p+p{margin-top:10px;}

/* ---------- CTA 与表单 ---------- */
.cta-wrap{
  background:var(--bg);
}
.cta-card{
  background:var(--white);
  border:1px solid var(--green);
  border-radius:16px;
  box-shadow:var(--shadow-1);
  padding:40px;
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:44px;
  align-items:start;
}
.cta-card h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.35;
  font-weight:700;
  margin:14px 0 14px;
}
.cta-card h2 em{font-style:normal;color:var(--orange);}
.cta-card > div > p{
  font-size:15px;
  color:var(--muted);
  line-height:1.85;
  max-width:38ch;
}
.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
.field{display:flex;flex-direction:column;gap:6px;}
.field--full{grid-column:1 / -1;}
.field label{
  font-size:13px;
  font-weight:600;
  color:var(--text);
}
.field input,
.field textarea{
  height:44px;
  padding:10px 14px;
  border:1px solid var(--border);
  border-radius:var(--radius-btn);
  background:var(--white);
  font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:96px;resize:vertical;line-height:1.7;}
.field input:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--orange);
  box-shadow:0 0 0 3px rgba(240,90,34,.16);
}
.field.is-error input,
.field.is-error textarea{border-color:#C6362B;}
.field__error{
  font-size:13px;
  color:#C6362B;
  min-height:0;
  display:none;
}
.field.is-error .field__error{display:block;}
.form-note{
  grid-column:1 / -1;
  font-size:13px;
  color:var(--muted);
  line-height:1.7;
}
.form-grid .btn{grid-column:1 / -1;justify-self:start;}

/* ---------- 页脚 ---------- */
.site-foot{
  background:var(--dark);
  color:rgba(255,255,255,.72);
  font-size:14px;
  margin-top:0;
}
.foot-top{
  background:var(--green);
  border-bottom:1px solid rgba(255,255,255,.14);
}
.foot-top__inner{
  min-height:88px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding-top:18px;
  padding-bottom:18px;
  flex-wrap:wrap;
}
.foot-top__title{
  font-size:18px;
  font-weight:700;
  color:#fff;
  letter-spacing:.01em;
}
.foot-top__desc{
  font-size:13px;
  color:rgba(255,255,255,.72);
  margin-top:6px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:36px;
  padding-top:52px;
  padding-bottom:44px;
}
.foot-col h3{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.04em;
}
.foot-col p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62);}
.foot-col ul{display:flex;flex-direction:column;gap:10px;}
.foot-col li a{
  font-size:14px;
  color:rgba(255,255,255,.72);
  transition:color .2s ease;
}
.foot-col li a:hover{color:var(--orange);}
.foot-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.foot-brand__mark{
  position:relative;
  width:26px;
  height:26px;
  border:2px solid rgba(255,255,255,.85);
  border-radius:7px;
  flex-shrink:0;
}
.foot-brand__mark span{
  position:absolute;
  left:50%;
  bottom:0;
  transform:translateX(-50%);
  width:9px;
  height:13px;
  background:var(--orange);
  border-radius:3px 3px 0 0;
}
.foot-brand__name{
  font-size:15px;
  font-weight:700;
  color:#fff;
  letter-spacing:.01em;
}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding-top:20px;
  padding-bottom:26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:rgba(255,255,255,.52);
  flex-wrap:wrap;
}

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

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav__menu{gap:18px;}
  .brand__name{font-size:14px;}
}

@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:56px 0;}
  .hero-narrow{padding:36px 0 44px;}
  .hero-narrow__inner{grid-template-columns:1fr;gap:32px;}
  .hero-narrow__media{aspect-ratio:16/9;}
  .compare{grid-template-columns:1fr;gap:32px;}
  .cta-card{grid-template-columns:1fr;gap:28px;padding:32px;}
  .facts{grid-template-columns:repeat(2,1fr);gap:24px 0;}
  .fact:nth-child(3){border-left:0;padding-left:0;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .route::before{display:none;}
}

@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:40px 0;}
  .top-bar__note,
  .top-bar__right .top-bar__link{display:none;}
  .nav__menu{
    position:fixed;
    top:0;
    right:0;
    width:82%;
    max-width:340px;
    height:100vh;
    background:var(--white);
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    padding:88px 24px 32px;
    transform:translateX(105%);
    transition:transform .3s ease;
    box-shadow:-12px 0 32px rgba(16,19,17,.14);
    z-index:80;
    overflow-y:auto;
  }
  .is-menu-open .nav__menu{transform:translateX(0);}
  .nav__link{
    width:100%;
    padding:16px 0;
    font-size:16px;
    border-bottom:1px solid var(--border);
  }
  .nav__link::after{display:none;}
  .nav__toggle{display:block;z-index:90;}
  .nav__actions .btn--sm{display:none;}
  .nav-mask{
    position:fixed;
    inset:0;
    background:rgba(16,19,23,.45);
    opacity:0;
    visibility:hidden;
    transition:opacity .3s ease,visibility .3s ease;
    z-index:70;
  }
  .is-menu-open .nav-mask{opacity:1;visibility:visible;}
  .hero-narrow h1{font-size:28px;}
  .hero-narrow__actions{flex-direction:column;align-items:stretch;}
  .hero-narrow__actions .btn{width:100%;}
  .map-banner{padding:40px 0 0;}
  .map-banner__frame{aspect-ratio:16/10;}
  .map-banner__caption{padding:18px;font-size:13px;}
  .checklist{padding:4px 18px 12px;}
  .route{grid-template-columns:1fr;}
  .route__node{padding:26px 20px 20px;}
  .cta-card{padding:24px;border-radius:14px;}
  .form-grid{grid-template-columns:1fr;}
  .form-grid .btn{width:100%;justify-self:stretch;}
  .faq-item summary{font-size:16px;padding:18px 18px;}
  .faq-item__body{padding:0 18px 20px 18px;}
  .foot-grid{grid-template-columns:1fr;gap:30px;padding-top:40px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
}

@media (max-width:480px){
  .brand__name{font-size:13px;}
  .brand__sub{font-size:10px;}
  .hero-narrow h1{font-size:26px;}
  .facts{grid-template-columns:repeat(2,1fr);}
  .fact{padding:0 0 0 16px;}
  .fact__value{font-size:32px;}
  .section-head h2{font-size:22px;}
}