/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --c-ink:#0E2A23;
  --c-ink-2:#16453A;
  --c-orange:#FF5A1F;
  --c-orange-d:#E24A12;
  --c-teal:#2FD3A5;
  --c-paper:#F7F5F0;
  --c-white:#FFFFFF;
  --c-text:#1C1F1D;
  --c-muted:#6B7370;
  --c-line:#E3E0D8;
  --on-dark:#F7F5F0;
  --on-dark-muted:#A9BDB5;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,42,35,.06);
  --sh-2:0 12px 32px -12px rgba(14,42,35,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --wrap:1240px;
  --pad:40px;
  --sec:104px;
}
@media (max-width:1023px){:root{--pad:24px;--sec:76px;}}
@media (max-width:767px){:root{--pad:18px;--sec:58px;}}

/* ============ Reset / Base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.16;color:var(--c-ink);}
p{margin:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
:focus-visible{outline:2px solid var(--c-orange);outline-offset:3px;border-radius:4px;}
::selection{background:rgba(255,90,31,.18);}
h2{font-size:36px;}
h3{font-size:19px;}
@media (max-width:767px){
  h2{font-size:26px;}
  h1{font-size:30px;}
}

/* Foundation 覆盖 */
body,html{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;}
a{color:inherit;}
a:hover{color:var(--c-orange);}
.grid-container{max-width:var(--wrap);}
.grid-x{margin:0;}
.cell{padding:0;}

/* ============ 布局容器 ============ */
.container{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding-left:var(--pad);
  padding-right:var(--pad);
}
.section{padding-top:var(--sec);padding-bottom:var(--sec);scroll-margin-top:130px;}
.section--tight{padding-top:72px;padding-bottom:72px;}
.section--dark{background:var(--c-ink);color:var(--on-dark);}
.section--dark h2,.section--dark h3{color:var(--on-dark);}
.section--white{background:var(--c-white);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:28px;
  margin-bottom:52px;
}
.section-head__text{max-width:720px;}
.section-head h2{margin-top:10px;}
.section-head p{margin-top:14px;color:var(--c-muted);font-size:16px;max-width:620px;}
.section--dark .section-head p{color:var(--on-dark-muted);}
@media (max-width:767px){
  .section-head{flex-direction:column;align-items:flex-start;gap:18px;margin-bottom:34px;}
}

.eyebrow{
  display:inline-block;
  font-family:"Barlow Condensed","Arial Narrow",sans-serif;
  font-size:13px;
  font-weight:700;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--c-orange);
}
.eyebrow--dark{color:var(--c-teal);}

/* ============ 按钮 / 标签 / 文字链 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn i{font-size:13px;transition:transform .2s var(--ease);}
.btn--primary{background:var(--c-orange);color:#fff;box-shadow:0 6px 18px -10px rgba(255,90,31,.85);}
.btn--primary:hover{background:var(--c-orange-d);color:#fff;transform:translateY(-1px);}
.btn--primary:hover i{transform:translateX(3px);}
.btn--ghost{border-color:var(--c-ink);color:var(--c-ink);background:transparent;}
.btn--ghost:hover{background:var(--c-ink);color:var(--on-dark);transform:translateY(-1px);}
.btn--light{border-color:rgba(247,245,240,.4);color:var(--on-dark);background:transparent;}
.btn--light:hover{background:var(--on-dark);color:var(--c-ink);border-color:var(--on-dark);}
.btn--sm{height:38px;padding:0 18px;font-size:14px;}
.btn--full{width:100%;}
.btn:active{transform:translateY(0) scale(.99);}

.text-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  color:var(--c-ink);
  border-bottom:1px solid rgba(14,42,35,.2);
  padding-bottom:2px;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.text-link i{font-size:12px;transition:transform .2s var(--ease);}
.text-link:hover{color:var(--c-orange);border-color:var(--c-orange);}
.text-link:hover i{transform:translateX(4px);}
.section--dark .text-link{color:var(--on-dark);border-color:rgba(247,245,240,.3);}
.section--dark .text-link:hover{color:var(--c-teal);border-color:var(--c-teal);}

.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  background:rgba(255,90,31,.1);
  color:var(--c-orange-d);
}
.badge--teal{background:rgba(47,211,165,.14);color:#12876A;}
.badge--dark{background:rgba(247,245,240,.14);color:var(--on-dark);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--c-paper);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(14,42,35,.5);}
.topbar{border-bottom:1px solid var(--c-line);background:var(--c-paper);}
.topbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:72px;
}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand__mark{
  width:38px;height:38px;
  display:flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:var(--c-ink);
  flex-shrink:0;
}
.brand__mark svg{width:22px;height:22px;}
.brand__text{
  font-size:19px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--c-ink);
  line-height:1.2;
}
.brand__sub{
  display:block;
  font-size:11px;
  font-weight:500;
  letter-spacing:.16em;
  color:var(--c-muted);
  text-transform:uppercase;
}
.brand:hover .brand__text{color:var(--c-orange);}
.topbar__right{display:flex;align-items:center;gap:16px;}
.search{display:flex;align-items:center;gap:8px;}
.search__toggle{
  width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  color:var(--c-ink);
  background:var(--c-white);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.search__toggle:hover{border-color:var(--c-orange);color:var(--c-orange);}
.search__input{
  width:0;
  height:40px;
  padding:0;
  border:1px solid transparent;
  border-radius:var(--r-btn);
  background:var(--c-white);
  opacity:0;
  transition:width .25s var(--ease),opacity .2s var(--ease),border-color .2s var(--ease),padding .25s var(--ease);
}
.search.is-open .search__input{
  width:200px;
  padding:0 14px;
  opacity:1;
  border-color:var(--c-line);
}
.search__input:focus{
  outline:none;
  border-color:var(--c-orange);
  box-shadow:0 0 0 3px rgba(255,90,31,.14);
}
.ghost-link{
  font-size:14px;
  font-weight:600;
  color:var(--c-ink);
  padding:6px 2px;
}
.ghost-link:hover{color:var(--c-orange);}

.channelbar{background:var(--c-paper);border-bottom:1px solid var(--c-line);}
.channelbar__scroll{
  display:flex;
  align-items:center;
  gap:10px;
  padding-top:9px;
  padding-bottom:9px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  scroll-behavior:smooth;
}
.channelbar__scroll::-webkit-scrollbar{display:none;}
.pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:34px;
  padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:transparent;
  color:var(--c-ink);
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.pill:hover{border-color:var(--c-orange);color:var(--c-orange);}
.pill.is-active{background:var(--c-ink);color:var(--on-dark);border-color:var(--c-ink);}
.pill.is-active:hover{background:var(--c-ink-2);color:var(--on-dark);}
.pill i{font-size:12px;opacity:.75;}

@media (max-width:1023px){
  .topbar__inner{height:64px;gap:12px;}
  .ghost-link{display:none;}
  .search.is-open .search__input{width:150px;}
}
@media (max-width:767px){
  .topbar__inner{height:60px;}
  .brand__text{font-size:17px;}
  .brand__sub{display:none;}
  .topbar__right .btn{display:none;}
  .search.is-open .search__input{width:130px;}
}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding-top:78px;
  padding-bottom:80px;
  background:var(--c-paper);
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  right:-160px;
  top:-120px;
  width:560px;
  height:560px;
  border:1px solid rgba(14,42,35,.08);
  border-radius:50%;
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute;
  right:-40px;
  top:60px;
  width:300px;
  height:300px;
  border:1px solid rgba(255,90,31,.16);
  border-radius:50%;
  pointer-events:none;
}
.hero__row{position:relative;z-index:2;}
.hero__main{padding-right:28px;}
.hero h1{
  font-size:48px;
  line-height:1.14;
  margin-top:18px;
  letter-spacing:-.025em;
}
.hero__sub{
  margin-top:20px;
  font-size:18px;
  line-height:1.75;
  color:var(--c-muted);
  max-width:520px;
}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero__stats{
  display:flex;
  flex-wrap:wrap;
  gap:40px;
  margin-top:52px;
  padding-top:26px;
  border-top:1px solid var(--c-line);
}
.stat__num{
  font-family:"Barlow Condensed","Arial Narrow",sans-serif;
  font-size:40px;
  font-weight:700;
  letter-spacing:.01em;
  line-height:1;
  color:var(--c-ink);
  font-variant-numeric:tabular-nums;
}
.stat__num span{font-size:20px;color:var(--c-orange);margin-left:2px;}
.stat__label{font-size:13px;color:var(--c-muted);margin-top:8px;letter-spacing:.02em;}
.hero__media{
  position:relative;
  padding-left:26px;
}
.hero__frame{
  position:relative;
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--sh-2);
  aspect-ratio:4/3;
  background:rgba(14,42,35,.08);
}
.hero__frame img{width:100%;height:100%;object-fit:cover;}
.hero__tag{
  position:absolute;
  left:0;
  bottom:28px;
  display:flex;
  align-items:center;
  gap:10px;
  padding:12px 18px;
  background:var(--c-white);
  border-radius:var(--r-btn);
  box-shadow:var(--sh-2);
  font-size:14px;
  font-weight:600;
  color:var(--c-ink);
}
.hero__tag i{color:var(--c-orange);}
@media (max-width:1023px){
  .hero{padding-top:52px;padding-bottom:60px;}
  .hero h1{font-size:36px;}
  .hero__main{padding-right:0;margin-bottom:40px;}
  .hero__media{padding-left:0;}
  .hero__stats{gap:30px;margin-top:38px;}
}
@media (max-width:767px){
  .hero h1{font-size:30px;}
  .hero__sub{font-size:16px;}
  .hero__cta{gap:10px;}
  .hero__cta .btn{flex:1 1 auto;}
  .stat__num{font-size:32px;}
}

/* ============ 价值主张条 ============ */
.valuebar{background:var(--c-white);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.valuebar__list{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.valuebar__list li{
  display:flex;
  gap:14px;
  padding:36px 28px;
  border-left:1px solid var(--c-line);
}
.valuebar__list li:first-child{border-left:none;padding-left:0;}
.valuebar__list li:last-child{padding-right:0;}
.valuebar__list i{
  font-size:16px;
  color:var(--c-orange);
  margin-top:5px;
}
.valuebar__list h3{font-size:16px;font-weight:700;letter-spacing:0;}
.valuebar__list p{font-size:13px;color:var(--c-muted);margin-top:6px;line-height:1.6;}
@media (max-width:1023px){
  .valuebar__list{grid-template-columns:repeat(2,1fr);}
  .valuebar__list li{padding:26px 20px;border-top:1px solid var(--c-line);}
  .valuebar__list li:nth-child(-n+2){border-top:none;}
  .valuebar__list li:nth-child(odd){border-left:none;padding-left:0;}
}
@media (max-width:767px){
  .valuebar__list{grid-template-columns:1fr;}
  .valuebar__list li{border-left:none;padding:20px 0;}
  .valuebar__list li:nth-child(2){border-top:1px solid var(--c-line);}
}

/* ============ 功能分组 ============ */
.feature-grid{margin-top:0;}
.feature-wide{
  display:flex;
  flex-direction:column;
  background:var(--c-white);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  height:100%;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.feature-wide:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.feature-wide__media{aspect-ratio:16/9;overflow:hidden;background:rgba(14,42,35,.08);}
.feature-wide__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.feature-wide:hover .feature-wide__media img{transform:scale(1.03);}
.feature-wide__body{padding:28px;display:flex;flex-direction:column;flex:1;}
.feature-wide__body h3{font-size:24px;margin-top:12px;}
.feature-wide__body p{margin-top:12px;color:var(--c-muted);font-size:15px;line-height:1.75;}
.feature-wide__body .text-link{margin-top:auto;padding-top:20px;align-self:flex-start;}

.feature-tall{
  display:flex;
  flex-direction:column;
  height:100%;
  padding:28px;
  border-radius:var(--r-card);
  background:var(--c-ink);
  color:var(--on-dark);
  position:relative;
  overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.feature-tall:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.feature-tall::after{
  content:"";
  position:absolute;
  right:-70px;
  bottom:-70px;
  width:200px;
  height:200px;
  border:1px solid rgba(247,245,240,.14);
  border-radius:50%;
}
.feature-tall h3{color:var(--on-dark);font-size:22px;margin-top:12px;}
.feature-tall p{color:var(--on-dark-muted);font-size:15px;line-height:1.75;margin-top:12px;}
.feature-tall ul{margin-top:24px;display:grid;gap:12px;position:relative;z-index:2;}
.feature-tall ul li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:var(--on-dark);
}
.feature-tall ul i{color:var(--c-teal);font-size:12px;margin-top:7px;}
.feature-tall .text-link{margin-top:auto;padding-top:26px;align-self:flex-start;}

.feature-mini{
  display:flex;
  flex-direction:column;
  height:100%;
  padding:26px;
  background:var(--c-white);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  position:relative;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .2s var(--ease);
}
.feature-mini::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:2px;
  background:var(--c-orange);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .28s var(--ease);
  border-radius:var(--r-card) var(--r-card) 0 0;
}
.feature-mini:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,90,31,.4);}
.feature-mini:hover::before{transform:scaleX(1);}
.feature-mini__no{
  font-family:"Barlow Condensed","Arial Narrow",sans-serif;
  font-size:34px;
  font-weight:700;
  color:var(--c-line);
  line-height:1;
  letter-spacing:.02em;
}
.feature-mini h3{margin-top:14px;font-size:18px;}
.feature-mini p{margin-top:10px;font-size:14px;color:var(--c-muted);line-height:1.72;}
.grid-gap{margin-bottom:24px;}
@media (max-width:1023px){
  .feature-tall{margin-top:24px;}
}

/* ============ 场景 Zigzag ============ */
.scene{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
  padding:52px 0;
  border-bottom:1px solid var(--c-line);
}
.scene:last-child{border-bottom:none;padding-bottom:0;}
.scene:first-child{padding-top:0;}
.scene__media{
  border-radius:var(--r-card);
  overflow:hidden;
  aspect-ratio:4/3;
  background:rgba(14,42,35,.08);
  box-shadow:var(--sh-1);
}
.scene__media img{width:100%;height:100%;object-fit:cover;}
.scene--flip .scene__media{order:2;}
.scene__body h3{font-size:26px;margin-top:14px;}
.scene__body > p{margin-top:14px;color:var(--c-muted);font-size:15.5px;line-height:1.8;}
.scene__list{margin-top:22px;display:grid;gap:12px;}
.scene__list li{display:flex;gap:12px;font-size:15px;color:var(--c-text);}
.scene__list li span{
  width:6px;height:6px;
  border-radius:2px;
  background:var(--c-orange);
  flex-shrink:0;
  margin-top:11px;
}
.scene__body .text-link{margin-top:26px;}
@media (max-width:1023px){
  .scene{grid-template-columns:1fr;gap:30px;padding:38px 0;}
  .scene--flip .scene__media{order:0;}
  .scene__body h3{font-size:22px;}
}

/* ============ 案例 ============ */
.case-main{
  background:var(--c-ink);
  color:var(--on-dark);
  border-radius:var(--r-card);
  padding:40px;
  display:flex;
  flex-direction:column;
  height:100%;
  position:relative;
  overflow:hidden;
}
.case-main::after{
  content:"";
  position:absolute;
  right:-90px;top:-90px;
  width:260px;height:260px;
  border:1px solid rgba(247,245,240,.12);
  border-radius:50%;
}
.case-main h3{color:var(--on-dark);font-size:26px;margin-top:18px;line-height:1.3;}
.case-main p{color:var(--on-dark-muted);font-size:15px;margin-top:14px;line-height:1.8;}
.case-metrics{display:flex;gap:44px;margin-top:30px;padding-top:26px;border-top:1px solid rgba(247,245,240,.14);}
.case-metrics .stat__num{color:var(--on-dark);}
.case-metrics .stat__num span{color:var(--c-teal);}
.case-metrics .stat__label{color:var(--on-dark-muted);}
.case-main .text-link{margin-top:auto;padding-top:30px;align-self:flex-start;}

.case-sub{
  display:flex;
  flex-direction:column;
  height:100%;
  padding:26px;
  background:var(--c-white);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.case-sub:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.case-sub__media{aspect-ratio:16/10;border-radius:10px;overflow:hidden;background:rgba(14,42,35,.08);margin-bottom:20px;}
.case-sub__media img{width:100%;height:100%;object-fit:cover;}
.case-sub h3{font-size:19px;margin-top:12px;}
.case-sub p{font-size:14px;color:var(--c-muted);margin-top:10px;line-height:1.72;}
.case-sub__meta{
  display:flex;gap:18px;margin-top:auto;padding-top:20px;
  font-size:13px;color:var(--c-muted);border-top:1px solid var(--c-line);
}
.case-sub__meta strong{color:var(--c-ink);font-weight:700;font-size:15px;}
.case-sub--top{margin-bottom:24px;}
@media (max-width:1023px){
  .case-main{margin-bottom:24px;padding:30px;}
  .case-metrics{gap:30px;}
}

/* ============ 价格 ============ */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.price-card{
  display:flex;
  flex-direction:column;
  background:var(--c-white);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:30px 28px;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.price-card__head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.price-card__name{font-size:17px;font-weight:700;}
.price-card__price{
  display:flex;
  align-items:baseline;
  gap:8px;
  margin-top:20px;
  padding-bottom:22px;
  border-bottom:1px solid var(--c-line);
}
.price-card__price .num{
  font-family:"Barlow Condensed","Arial Narrow",sans-serif;
  font-size:44px;
  font-weight:700;
  line-height:1;
  color:var(--c-ink);
  letter-spacing:.01em;
}
.price-card__price .unit{font-size:13px;color:var(--c-muted);}
.price-list{margin-top:22px;display:grid;gap:12px;flex:1;}
.price-list li{display:flex;gap:10px;font-size:14.5px;line-height:1.7;color:var(--c-text);}
.price-list i{color:var(--c-teal);font-size:12px;margin-top:8px;flex-shrink:0;}
.price-card .btn{margin-top:26px;}
.price-card--featured{
  background:var(--c-ink);
  color:var(--on-dark);
  border-color:var(--c-ink);
  position:relative;
}
.price-card--featured .price-card__name,
.price-card--featured .price-card__price .num{color:var(--on-dark);}
.price-card--featured .price-card__price{border-color:rgba(247,245,240,.16);}
.price-card--featured .price-card__price .unit{color:var(--on-dark-muted);}
.price-card--featured .price-list li{color:var(--on-dark);}
.price-card--featured .price-list i{color:var(--c-teal);}
.price-card__flag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--c-orange);
  color:#fff;
  font-size:12px;
  font-weight:700;
}
@media (max-width:1023px){
  .price-grid{grid-template-columns:1fr;gap:18px;}
}

/* ============ 最新信息 CMS ============ */
.news-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:24px;
}
.news-card{
  display:flex;
  flex-direction:column;
  background:var(--c-white);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .2s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,42,35,.16);}
.news-card__media{
  display:block;
  aspect-ratio:16/10;
  overflow:hidden;
  background:rgba(14,42,35,.08);
}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.news-card:hover .news-card__media img{transform:scale(1.04);}
.news-card__body{padding:22px;display:flex;flex-direction:column;flex:1;}
.news-card__body h3{
  font-size:17px;
  line-height:1.5;
  margin-top:12px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card__body h3 a:hover{color:var(--c-orange);}
.news-card__sum{
  margin-top:10px;
  font-size:14px;
  color:var(--c-muted);
  line-height:1.72;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card__foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:auto;
  padding-top:18px;
}
.news-card__foot time{
  font-family:"Barlow Condensed","Arial Narrow",sans-serif;
  font-size:14px;
  letter-spacing:.04em;
  color:var(--c-muted);
  font-variant-numeric:tabular-nums;
}
.news-card__foot .text-link{font-size:13.5px;border-bottom-color:transparent;}
.news-card__foot .text-link:hover{border-bottom-color:var(--c-orange);}

.empty-state{
  grid-column:1/-1;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:16px;
  padding:64px 24px;
  background:var(--c-white);
  border:1px dashed var(--c-line);
  border-radius:var(--r-card);
  text-align:center;
}
.empty-state i{font-size:28px;color:var(--c-orange);}
.empty-state p{font-size:15px;color:var(--c-muted);}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;}
.faq-item{
  background:var(--c-white);
  border:1px solid var(--c-line);
  border-left:3px solid transparent;
  border-radius:var(--r-card);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item:hover{box-shadow:var(--sh-1);}
.faq-item[open]{border-left-color:var(--c-orange);box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 26px;
  font-size:17px;
  font-weight:700;
  color:var(--c-ink);
  line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{
  color:var(--c-orange);
  font-size:14px;
  transition:transform .24s var(--ease);
  flex-shrink:0;
}
.faq-item[open] summary i{transform:rotate(45deg);}
.faq-body{padding:0 26px 24px;font-size:15px;line-height:1.85;color:var(--c-muted);}
@media (max-width:767px){
  .faq-item summary{padding:18px 18px;font-size:15.5px;}
  .faq-body{padding:0 18px 20px;font-size:14.5px;}
}

/* ============ CTA 带 ============ */
.cta-band{background:var(--c-ink);color:var(--on-dark);}
.cta-band__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  padding:64px 0;
}
.cta-band h2{color:var(--on-dark);font-size:32px;max-width:640px;}
.cta-band p{color:var(--on-dark-muted);font-size:15.5px;margin-top:14px;max-width:560px;}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0;}
@media (max-width:1023px){
  .cta-band__inner{flex-direction:column;align-items:flex-start;padding:48px 0;gap:26px;}
  .cta-band h2{font-size:24px;}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:var(--on-dark);padding-top:72px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:56px;
}
.footer-brand .brand__text{color:var(--on-dark);}
.footer-brand .brand__mark{background:var(--c-orange);}
.footer-brand p{
  margin-top:20px;
  font-size:14px;
  color:var(--on-dark-muted);
  line-height:1.75;
  max-width:290px;
}
.footer-brand .footer-contact{margin-top:22px;display:grid;gap:8px;}
.footer-brand .footer-contact span{font-size:14px;color:var(--on-dark);display:flex;gap:10px;align-items:center;}
.footer-brand .footer-contact i{color:var(--c-teal);font-size:13px;width:16px;}
.footer-col h4{font-size:15px;font-weight:700;color:var(--on-dark);letter-spacing:.02em;}
.footer-col ul{margin-top:20px;display:grid;gap:12px;}
.footer-col a{font-size:14px;color:var(--on-dark-muted);}
.footer-col a:hover{color:var(--c-teal);}
.footer-bottom{
  border-top:1px solid rgba(247,245,240,.14);
  padding:24px 0 30px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--on-dark-muted);}
.footer-bottom a{color:var(--on-dark-muted);}
.footer-bottom a:hover{color:var(--c-teal);}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding-bottom:40px;}
}
@media (max-width:767px){
  .site-footer{padding-top:52px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}

/* ============ 返回顶部 ============ */
#toTop{
  position:fixed;
  right:24px;
  bottom:24px;
  width:48px;
  height:48px;
  border-radius:50%;
  background:var(--c-ink);
  color:var(--on-dark);
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:var(--sh-2);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),background .2s var(--ease);
  z-index:70;
}
#toTop.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
#toTop:hover{background:var(--c-orange);color:#fff;}
@media (max-width:767px){
  #toTop{right:16px;bottom:16px;width:44px;height:44px;}
}

/* ============ 进入动画 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --ink:#0E2A23;
  --ink-2:#16453A;
  --accent:#FF5A1F;
  --accent-dark:#E24A12;
  --mint:#2FD3A5;
  --paper:#F7F5F0;
  --white:#FFFFFF;
  --text:#1C1F1D;
  --muted:#6B7370;
  --line:#E3E0D8;
  --on-dark:#F7F5F0;
  --on-dark-muted:#A9BDB5;
  --radius:14px;
  --radius-lg:18px;
  --radius-sm:10px;
  --shadow-1:0 1px 2px rgba(14,42,35,.06);
  --shadow-2:0 12px 32px -12px rgba(14,42,35,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --maxw:1240px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--ink);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--accent);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
button{font-family:inherit;cursor:pointer;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:900;letter-spacing:-.02em;color:var(--ink);}
p{margin:0;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 40px;}
.num{font-family:"Barlow Condensed","Noto Sans SC",sans-serif;font-weight:600;letter-spacing:.04em;}

/* ---------- 顶部双层导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--paper);transition:box-shadow .24s var(--ease);}
.site-header.is-scrolled{box-shadow:0 6px 24px -14px rgba(14,42,35,.35);}
.topbar{background:var(--paper);border-bottom:1px solid var(--line);}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;}
.brand{display:inline-flex;align-items:center;gap:12px;}
.brand__mark{width:38px;height:38px;border-radius:11px;background:var(--ink);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;transition:transform .24s var(--ease);}
.brand__mark svg{width:22px;height:22px;}
.brand:hover .brand__mark{transform:rotate(-6deg);}
.brand__text{display:block;font-size:19px;font-weight:900;color:var(--ink);line-height:1.25;letter-spacing:-.01em;}
.brand__sub{display:block;font-family:"Barlow Condensed",sans-serif;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);}
.topbar__right{display:flex;align-items:center;gap:14px;}
.search{position:relative;display:flex;align-items:center;}
.search__toggle{width:40px;height:40px;border:1px solid var(--line);background:var(--white);border-radius:var(--radius-sm);color:var(--ink);transition:all .2s var(--ease);}
.search__toggle:hover{border-color:var(--ink);background:var(--ink);color:var(--on-dark);}
.search__input{width:0;opacity:0;height:40px;padding:0;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--white);color:var(--text);font-size:14px;transition:width .24s var(--ease),opacity .2s var(--ease),padding .24s var(--ease);}
.search.is-open .search__input{width:220px;opacity:1;padding:0 14px;margin-left:8px;}
.search__input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,90,31,.16);}
.ghost-link{font-size:14px;color:var(--muted);padding:8px 4px;}
.ghost-link:hover{color:var(--accent);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--radius-sm);font-size:15px;font-weight:700;border:1px solid transparent;transition:all .2s var(--ease);white-space:nowrap;}
.btn--primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-1);}
.btn--primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px -12px rgba(255,90,31,.6);}
.btn--ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn--ghost:hover{background:var(--ink);color:var(--on-dark);transform:translateY(-1px);}
.btn--light{background:transparent;border-color:rgba(247,245,240,.4);color:var(--on-dark);}
.btn--light:hover{background:var(--on-dark);color:var(--ink);}
.btn--sm{height:38px;padding:0 16px;font-size:14px;}
.channelbar{background:var(--paper);border-bottom:1px solid var(--line);}
.channelbar__scroll{display:flex;align-items:center;gap:10px;height:48px;overflow-x:auto;scrollbar-width:none;}
.channelbar__scroll::-webkit-scrollbar{display:none;}
.pill{display:inline-flex;align-items:center;gap:7px;flex:0 0 auto;height:34px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--ink);font-size:14px;font-weight:500;transition:all .2s var(--ease);}
.pill i{font-size:12px;opacity:.75;}
.pill:hover{border-color:var(--ink);color:var(--ink);}
.pill.is-active{background:var(--ink);border-color:var(--ink);color:var(--on-dark);}
.pill.is-active:hover{color:var(--on-dark);}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--white);border-bottom:1px solid var(--line);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:14px 0;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--accent);}
.crumb__sep{color:#C9C5BA;}
.crumb__now{color:#9AA29E;max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头 ---------- */
.article-hero{background:var(--white);border-bottom:1px solid var(--line);padding:52px 0 46px;}
.article-hero__inner{max-width:860px;}
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.02em;}
.badge--accent{background:rgba(255,90,31,.1);color:#C2400F;}
.badge--mint{background:rgba(47,211,165,.14);color:#14735A;}
.article-hero h1{font-size:44px;line-height:1.18;margin:18px 0 0;}
.article-hero__rule{width:56px;height:4px;background:var(--accent);border-radius:2px;margin:22px 0 20px;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 24px;font-size:13px;color:var(--muted);}
.meta-row span{display:inline-flex;align-items:center;gap:7px;}
.meta-row i{color:var(--accent);font-size:12px;}
.meta-row .num{font-size:15px;color:var(--ink);}

/* ---------- 主区布局 ---------- */
.main-wrap{padding:56px 0 72px;}
.article-main{min-width:0;}
.article-main__inner{max-width:760px;}
.panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-1);padding:38px 40px;}

/* ---------- 正文排版 ---------- */
.article-body{font-size:17px;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:26px;line-height:1.35;margin:1.9em 0 .7em;padding-left:16px;position:relative;scroll-margin-top:140px;}
.article-body h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.18em;width:4px;border-radius:2px;background:var(--accent);}
.article-body h3{font-size:20px;color:var(--ink-2);margin:1.6em 0 .5em;}
.article-body h4{font-size:17px;margin:1.4em 0 .4em;}
.article-body a{color:var(--ink-2);border-bottom:1px solid rgba(255,90,31,.5);}
.article-body a:hover{color:var(--accent);}
.article-body img{border-radius:var(--radius);margin:1.6em 0;width:100%;background:rgba(14,42,35,.08);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:12px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body blockquote{margin:1.6em 0;padding:18px 22px;background:#FBF9F4;border-left:4px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0;}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:0;}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:.55em;}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.68em;width:8px;height:8px;border-radius:2px;background:var(--accent);}
.article-body ol{counter-reset:li;padding-left:0;}
.article-body ol li{position:relative;padding-left:36px;margin-bottom:.6em;counter-increment:li;}
.article-body ol li::before{content:counter(li,decimal-leading-zero);position:absolute;left:0;top:.1em;font-family:"Barlow Condensed",sans-serif;font-weight:700;color:var(--accent);font-size:15px;letter-spacing:.04em;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;}
.article-body th{background:var(--ink);color:var(--on-dark);text-align:left;padding:12px 14px;font-weight:700;}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);}
.article-body tbody tr:nth-child(even){background:#FAF8F3;}
.article-body code{background:#F1EEE6;padding:2px 6px;border-radius:6px;font-size:14px;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}

/* 空态 */
.empty-state{text-align:center;padding:56px 20px;}
.empty-state__icon{width:64px;height:64px;margin:0 auto 20px;border-radius:50%;border:2px solid var(--accent);display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:24px;}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px;}

/* ---------- 推荐 / 上下篇 ---------- */
.block-title{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin:56px 0 22px;}
.block-title h2{font-size:24px;}
.block-title .eyebrow{display:block;font-family:"Barlow Condensed",sans-serif;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:6px;}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--ink);}
.text-link i{transition:transform .2s var(--ease);font-size:12px;color:var(--accent);}
.text-link:hover{color:var(--accent);}
.text-link:hover i{transform:translateX(4px);}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.rel-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);overflow:hidden;display:flex;flex-direction:column;transition:transform .24s var(--ease),box-shadow .24s var(--ease);position:relative;}
.rel-card::after{content:"";position:absolute;left:0;top:0;height:2px;width:0;background:var(--accent);transition:width .28s var(--ease);}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.rel-card:hover::after{width:100%;}
.rel-card__pic{aspect-ratio:16/10;overflow:hidden;background:rgba(14,42,35,.08);}
.rel-card__pic img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.rel-card:hover .rel-card__pic img{transform:scale(1.04);}
.rel-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-card__body h3{font-size:18px;line-height:1.45;}
.rel-card__body p{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-card__body .text-link{margin-top:auto;}

.pager{display:grid;grid-template-columns:1fr 1px 1fr;gap:0;margin-top:44px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
.pager__item{padding:22px 24px;display:flex;flex-direction:column;gap:6px;transition:background .2s var(--ease);}
.pager__item:hover{background:#FBF9F4;}
.pager__item--next{text-align:right;}
.pager__label{font-size:12px;letter-spacing:.1em;color:var(--muted);text-transform:uppercase;font-family:"Barlow Condensed",sans-serif;}
.pager__title{font-size:16px;font-weight:700;color:var(--ink);}
.pager__divider{background:var(--line);}
.back-row{margin-top:24px;}

/* ---------- 侧栏 ---------- */
.side-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);padding:24px;margin-bottom:20px;}
.side-card h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:9px;}
.side-card h3 i{color:var(--accent);font-size:14px;}
.toc__list{border-left:1px solid var(--line);margin-left:4px;}
.toc__list a{display:block;padding:7px 0 7px 16px;font-size:14px;color:var(--muted);border-left:2px solid transparent;margin-left:-1px;transition:all .2s var(--ease);}
.toc__list a:hover,.toc__list a.is-current{color:var(--ink);border-left-color:var(--accent);}
.channel-item{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);}
.channel-item:last-child{border-bottom:0;padding-bottom:0;}
.channel-item:first-child{padding-top:0;}
.channel-item__idx{font-family:"Barlow Condensed",sans-serif;font-size:20px;font-weight:700;color:var(--accent);min-width:26px;}
.channel-item__txt strong{display:block;font-size:15px;color:var(--ink);}
.channel-item__txt span{display:block;font-size:13px;color:var(--muted);}
.channel-item:hover .channel-item__txt strong{color:var(--accent);}
.side-card--dark{background:var(--ink);border-color:var(--ink-2);color:var(--on-dark);}
.side-card--dark h3{color:var(--on-dark);}
.side-card--dark p{font-size:14px;color:var(--on-dark-muted);line-height:1.8;margin-bottom:18px;}
.side-card--dark .btn{width:100%;}

/* ---------- FAQ ---------- */
.faq-section{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:88px 0;}
.faq-head{max-width:640px;margin-bottom:36px;}
.faq-head .eyebrow{display:block;font-family:"Barlow Condensed",sans-serif;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:10px;}
.faq-head h2{font-size:34px;line-height:1.2;}
.faq-head p{margin-top:14px;color:var(--muted);font-size:15px;}
.accordion{border:0;background:transparent;max-width:900px;}
.accordion .accordion-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);margin-bottom:14px;overflow:hidden;transition:box-shadow .2s var(--ease),border-color .2s var(--ease);}
.accordion .accordion-item.is-active{border-color:rgba(255,90,31,.5);box-shadow:var(--shadow-1);border-left:4px solid var(--accent);}
.accordion .accordion-title{border:0;background:transparent;padding:20px 56px 20px 22px;font-size:17px;font-weight:700;color:var(--ink);position:relative;transition:color .2s var(--ease);}
.accordion .accordion-title:hover{color:var(--accent);}
.accordion .accordion-title::before{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;position:absolute;right:22px;top:50%;transform:translateY(-50%);color:var(--accent);transition:transform .24s var(--ease);margin:0;}
.accordion .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(180deg);}
.accordion .accordion-content{border:0;background:transparent;padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.85;}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--ink);color:var(--on-dark);}
.cta-band__inner{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:64px 0;}
.cta-band h2{color:var(--on-dark);font-size:32px;line-height:1.25;max-width:620px;}
.cta-band p{color:var(--on-dark-muted);font-size:15px;margin-top:12px;max-width:560px;}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--on-dark);padding:72px 0 32px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand__mark{background:var(--ink-2);}
.footer-brand .brand__text{color:var(--on-dark);}
.footer-brand p{color:var(--on-dark-muted);font-size:14px;margin:16px 0 18px;max-width:320px;}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--on-dark-muted);}
.footer-contact i{color:var(--accent);width:16px;margin-right:8px;}
.footer-col h4{color:var(--on-dark);font-size:15px;margin-bottom:18px;letter-spacing:.02em;}
.footer-col li{margin-bottom:11px;}
.footer-col a{color:var(--on-dark-muted);font-size:14px;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{border-top:1px solid rgba(247,245,240,.14);margin-top:52px;padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--on-dark-muted);}

/* ---------- 返回顶部 ---------- */
.back-top{position:fixed;right:28px;bottom:28px;width:48px;height:48px;border-radius:50%;border:0;background:var(--ink);color:var(--on-dark);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-2);opacity:0;visibility:hidden;transform:translateY(10px);transition:all .24s var(--ease);z-index:70;}
.back-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{background:var(--accent);color:#fff;}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 32px;}
  .article-hero h1{font-size:38px;}
}
@media (max-width:1023px){
  .article-hero{padding:42px 0 36px;}
  .article-hero h1{font-size:32px;}
  .article-main__inner{max-width:none;}
  .panel{padding:30px 26px;}
  .article-aside{margin-top:36px;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .faq-section{padding:64px 0;}
  .faq-head h2{font-size:28px;}
  .cta-band__inner{flex-direction:column;align-items:flex-start;padding:52px 0;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .topbar__inner{height:60px;gap:12px;}
  .brand__mark{width:34px;height:34px;}
  .brand__text{font-size:16px;}
  .brand__sub{display:none;}
  .ghost-link{display:none;}
  .search.is-open .search__input{width:132px;}
  .channelbar__scroll{height:46px;}
  .pill{height:32px;padding:0 14px;font-size:13px;}
  .article-hero h1{font-size:27px;}
  .article-hero__rule{width:44px;height:3px;margin:16px 0;}
  .meta-row{gap:8px 16px;font-size:12.5px;}
  .main-wrap{padding:40px 0 56px;}
  .panel{padding:24px 20px;border-radius:var(--radius);}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .rel-grid{grid-template-columns:1fr;}
  .pager{grid-template-columns:1fr;}
  .pager__divider{height:1px;width:100%;}
  .pager__item--next{text-align:left;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding:52px 0 26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-band h2{font-size:24px;}
  .back-top{right:18px;bottom:18px;width:44px;height:44px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:opacity .2s linear !important;}
  .reveal{transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --ink:#0E2A23;
  --ink-2:#16453A;
  --orange:#FF5A1F;
  --orange-dark:#E44A12;
  --cyan:#2FD3A5;
  --paper:#F7F5F0;
  --white:#FFFFFF;
  --text:#1C1F1D;
  --muted:#6B7370;
  --line:#E3E0D8;
  --dark-text:#F7F5F0;
  --dark-muted:#A9BDB5;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,42,35,.06);
  --sh-2:0 12px 32px -12px rgba(14,42,35,.18);
  --sp:8px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Helvetica Neue",sans-serif;
  --font-num:"Barlow Condensed","Oswald","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--orange);outline-offset:2px}
button{font-family:inherit;cursor:pointer;border:0;background:none}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px}
h1,h2,h3{font-weight:800;letter-spacing:-.02em;line-height:1.15;color:var(--ink)}
h1{font-size:48px}
h2{font-size:36px}
h3{font-size:24px}
.eyebrow{
  font-family:var(--font-num);
  font-size:14px;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--orange);
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{content:"";display:inline-block;width:24px;height:2px;background:var(--orange)}
.sec-head{margin-bottom:44px;max-width:760px}
.sec-head h2{margin:14px 0 14px}
.sec-head p{color:var(--muted);font-size:16px;max-width:640px}
section{padding:96px 0}
.sec--slim{padding:64px 0}

/* ---------- 按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;line-height:1;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.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--outline{border:1px solid var(--ink);color:var(--ink);background:transparent}
.btn--outline:hover{background:var(--ink);color:var(--dark-text);transform:translateY(-1px)}
.btn--ghost-light{border:1px solid rgba(247,245,240,.4);color:var(--dark-text)}
.btn--ghost-light:hover{background:var(--dark-text);color:var(--ink)}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.btn:active{transform:translateY(0)}
.tag{
  display:inline-flex;align-items:center;
  padding:3px 11px;border-radius:var(--r-pill);
  font-size:12px;line-height:1.7;font-weight:500;
  background:rgba(255,90,31,.1);color:#B93B0E;
}
.tag--cyan{background:rgba(47,211,165,.14);color:#0E6B52}
.tag--ghost{background:rgba(247,245,240,.14);color:var(--dark-text)}
.arrow-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:500;color:var(--ink);
  border-bottom:1px solid transparent;
}
.arrow-link i{transition:transform .22s var(--ease)}
.arrow-link:hover{color:var(--orange)}
.arrow-link:hover i{transform:translateX(4px)}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--paper);transition:box-shadow .25s var(--ease)}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(14,42,35,.5)}
.topbar{border-bottom:1px solid var(--line);background:var(--paper)}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.brand{display:inline-flex;align-items:center;gap:12px}
.brand__mark{
  width:38px;height:38px;border-radius:11px;background:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand__mark svg{width:22px;height:22px}
.brand__text{display:block;font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink);line-height:1.2}
.brand__sub{display:block;font-family:var(--font-num);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);line-height:1.4}
.topbar__right{display:flex;align-items:center;gap:16px}
.search{display:flex;align-items:center;gap:0;position:relative}
.search__toggle{
  width:40px;height:40px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink);font-size:15px;border:1px solid transparent;
  transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.search__toggle:hover{background:rgba(14,42,35,.06);color:var(--orange)}
.search__input{
  width:0;height:40px;padding:0;border:1px solid var(--line);border-radius:var(--r-btn);
  font-size:14.5px;color:var(--text);background:var(--white);
  opacity:0;pointer-events:none;transition:width .26s var(--ease),opacity .2s var(--ease),padding .26s var(--ease);
}
.search.is-open .search__input{width:220px;opacity:1;pointer-events:auto;padding:0 14px;margin-left:8px}
.search__input:focus{border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,90,31,.14);outline:none}
.search__input::placeholder{color:#9AA29E}
.ghost-link{font-size:14.5px;color:var(--muted);font-weight:500;padding:8px 2px;border-bottom:1px solid transparent}
.ghost-link:hover{color:var(--ink);border-color:var(--orange)}
.channelbar{
  border-bottom:1px solid var(--line);background:var(--paper);
  position:sticky;top:72px;z-index:55;
}
.channelbar__scroll{
  display:flex;align-items:center;gap:10px;height:48px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.channelbar__scroll::-webkit-scrollbar{display:none}
.pill{
  display:inline-flex;align-items:center;gap:7px;flex:0 0 auto;
  height:34px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);color:var(--ink);
  font-size:14px;font-weight:500;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.pill i{font-size:12px}
.pill:hover{border-color:var(--ink);background:rgba(14,42,35,.05)}
.pill.is-active{background:var(--orange);border-color:var(--orange);color:#fff}
.pill.is-active:hover{background:var(--orange-dark);border-color:var(--orange-dark)}

/* ---------- 页头横幅 ---------- */
.page-banner{
  padding:0;background:var(--paper);border-bottom:1px solid var(--line);
}
.page-banner__inner{
  display:grid;grid-template-columns:7fr 5fr;align-items:stretch;min-height:212px;
}
.page-banner__text{
  padding:38px 40px 34px 0;display:flex;flex-direction:column;justify-content:center;
}
.crumb{font-size:13px;color:var(--muted);margin-bottom:16px;display:flex;align-items:center;gap:8px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--orange)}
.crumb .sep{color:var(--line)}
.crumb .current{color:#9AA29E}
.page-banner__text h1{font-size:44px;margin-bottom:12px}
.page-banner__text h1 span{display:block;font-family:var(--font-num);font-size:17px;letter-spacing:.1em;text-transform:uppercase;color:var(--orange);font-weight:600;margin-top:10px}
.page-banner__text p{color:var(--muted);font-size:16px;max-width:480px}
.page-banner__media{position:relative;overflow:hidden;border-radius:0 0 0 18px}
.page-banner__media img{width:100%;height:100%;object-fit:cover;min-height:212px}
.page-banner__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(14,42,35,.55),rgba(14,42,35,.05) 60%);
}

/* ---------- 筛选标签 ---------- */
.filter-row{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding:26px 0 0;
}
.filter-row__label{font-size:13px;color:var(--muted);letter-spacing:.06em;margin-right:6px}
.filter-pill{
  display:inline-flex;align-items:center;
  height:34px;padding:0 15px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--white);
  font-size:13.5px;color:var(--ink);font-weight:500;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.filter-pill:hover{border-color:var(--orange);color:var(--orange)}
.filter-pill.is-on{background:var(--ink);border-color:var(--ink);color:var(--dark-text)}

/* ---------- 场馆卡片网格 ---------- */
.cat-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:28px;margin-top:40px;
}
.vcard{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);position:relative;
  display:flex;flex-direction:column;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.vcard::before{
  content:"";position:absolute;top:0;left:0;height:2px;width:0;background:var(--orange);
  transition:width .3s var(--ease);z-index:2;
}
.vcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6D2C8}
.vcard:hover::before{width:100%}
.vcard__media{display:block;aspect-ratio:16/10;overflow:hidden;background:rgba(14,42,35,.07)}
.vcard__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.vcard:hover .vcard__media img{transform:scale(1.04)}
.vcard__body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.vcard__body h3{font-size:19px;line-height:1.4}
.vcard__body h3 a:hover{color:var(--orange)}
.vcard__body p{
  color:var(--muted);font-size:14.8px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.vcard__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.vcard__foot{display:flex;align-items:center;justify-content:space-between;padding-top:6px}

/* ---------- 数据带（墨绿反白） ---------- */
.band-dark{background:var(--ink);color:var(--dark-text)}
.band-dark h2{color:var(--dark-text)}
.band-dark .sec-head p{color:var(--dark-muted)}
.band-dark .eyebrow{color:var(--orange)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(247,245,240,.14);border:1px solid rgba(247,245,240,.14);border-radius:var(--r-card);overflow:hidden;margin-top:8px}
.stat{background:var(--ink);padding:30px 26px 32px}
.stat__num{font-family:var(--font-num);font-size:46px;font-weight:700;line-height:1;color:var(--dark-text);letter-spacing:.02em}
.stat__num em{font-style:normal;font-size:22px;color:var(--cycan);color:var(--cyan);margin-left:4px}
.stat__label{display:block;margin-top:12px;font-size:14px;color:var(--dark-muted)}
.band-dark .arrow-link{color:var(--dark-text)}
.band-dark .arrow-link:hover{color:var(--orange)}

/* ---------- 服务范围列表 ---------- */
.scope-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.scope-list{border-top:1px solid var(--line)}
.scope-item{
  display:grid;grid-template-columns:56px 1fr;gap:18px;
  padding:24px 0;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.scope-item:hover{background:rgba(255,90,31,.04)}
.scope-item__no{font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--orange);line-height:1.2}
.scope-item h3{font-size:18px;margin-bottom:6px}
.scope-item p{color:var(--muted);font-size:14.8px;line-height:1.7}
.scope-media{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.scope-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.scope-media__cap{
  position:absolute;left:18px;bottom:18px;right:18px;
  background:rgba(14,42,35,.82);color:var(--dark-text);
  border-radius:var(--r-btn);padding:12px 16px;font-size:13.5px;line-height:1.6;
}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
.flow__item{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px 28px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.flow__item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.flow__no{
  font-family:var(--font-num);font-size:34px;font-weight:700;line-height:1;
  color:var(--ink);opacity:.16;margin-bottom:14px;letter-spacing:.04em;
}
.flow__item h3{font-size:17px;margin-bottom:8px}
.flow__item p{font-size:14.6px;color:var(--muted);line-height:1.75}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.accordion{border:0;background:transparent}
.accordion .accordion-item{border:1px solid var(--line);border-radius:var(--r-card);background:var(--white);margin-bottom:12px;overflow:hidden;transition:box-shadow .24s var(--ease),border-color .24s var(--ease)}
.accordion .accordion-item:hover{border-color:#D6D2C8;box-shadow:var(--sh-1)}
.accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:17px;font-weight:700;color:var(--ink);
  border:0;background:transparent;
}
.accordion .accordion-title:hover,.accordion .accordion-title:focus{background:rgba(255,90,31,.04)}
.accordion .accordion-title::before{display:none}
.accordion .accordion-title i{color:var(--orange);font-size:14px;transition:transform .24s var(--ease);flex:0 0 auto}
.accordion .accordion-item.is-active{border-left:4px solid var(--orange)}
.accordion .accordion-item.is-active .accordion-title i{transform:rotate(180deg)}
.accordion .accordion-content{padding:0 24px 22px;border:0;background:transparent}
.accordion .accordion-content p{font-size:15px;line-height:1.8;color:var(--muted)}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:var(--dark-text);padding:72px 0}
.cta-band__inner{display:flex;align-items:center;justify-content:space-between;gap:36px}
.cta-band h2{color:var(--dark-text);font-size:32px;max-width:640px}
.cta-band p{color:var(--dark-muted);font-size:15.5px;margin-top:12px;max-width:560px}
.cta-band__actions{display:flex;gap:14px;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--dark-text);padding:72px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px}
.footer-brand .brand__text{color:var(--dark-text)}
.footer-brand .brand__mark{background:rgba(247,245,240,.1)}
.footer-brand p{color:var(--dark-muted);font-size:14.6px;margin:18px 0 20px;max-width:300px}
.footer-contact{display:flex;flex-direction:column;gap:9px;font-size:14px;color:var(--dark-muted)}
.footer-contact i{color:var(--orange);width:16px;margin-right:6px}
.footer-col h4{font-size:15px;color:var(--dark-text);margin-bottom:18px;font-weight:700;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{color:var(--dark-muted);font-size:14.3px;border-bottom:1px solid transparent}
.footer-col a:hover{color:var(--orange);border-color:var(--orange)}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(247,245,240,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13.4px;color:var(--dark-muted);flex-wrap:wrap;
}

/* ---------- 返回顶部 ---------- */
#toTop{
  position:fixed;right:26px;bottom:26px;width:48px;height:48px;border-radius:50%;
  background:var(--ink);color:var(--dark-text);display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s,background .2s var(--ease);
  z-index:70;
}
#toTop.is-on{opacity:1;visibility:visible;transform:translateY(0)}
#toTop:hover{background:var(--orange)}

/* ---------- 进入动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 24px}
  h1{font-size:40px}
  .page-banner__text h1{font-size:38px}
  .scope-grid,.faq-wrap{gap:40px}
}
@media (max-width:1023px){
  section{padding:72px 0}
  .page-banner__inner{grid-template-columns:1fr;min-height:0}
  .page-banner__text{padding:32px 0 26px}
  .page-banner__media{border-radius:var(--r-card);margin-bottom:28px;order:-1}
  .page-banner__media img{min-height:180px;max-height:220px}
  .page-banner__media::after{background:linear-gradient(180deg,rgba(14,42,35,.1),rgba(14,42,35,.55))}
  .stats{grid-template-columns:repeat(2,1fr)}
  .scope-grid,.faq-wrap{grid-template-columns:1fr}
  .flow{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-band__inner{flex-direction:column;align-items:flex-start}
  .brand__sub{display:none}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 18px}
  section{padding:56px 0}
  h1{font-size:30px}
  h2{font-size:26px}
  h3{font-size:20px}
  .page-banner__text h1{font-size:30px}
  .page-banner__text h1 span{font-size:14px;letter-spacing:.08em}
  .cat-grid{grid-template-columns:1fr;gap:20px}
  .flow{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .topbar__inner{height:60px;gap:12px}
  .channelbar{top:60px}
  .ghost-link{display:none}
  .brand__text{font-size:17px}
  .search.is-open .search__input{width:150px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-band__actions{width:100%;flex-direction:column}
  .cta-band__actions .btn{width:100%}
  .vcard__body{padding:20px}
  .scope-item{grid-template-columns:44px 1fr;gap:14px}
  #toTop{right:16px;bottom:16px;width:44px;height:44px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --ink-green:#0E2A23;
  --ink-green-2:#16453A;
  --orange:#FF5A1F;
  --orange-dark:#E64A12;
  --mint:#2FD3A5;
  --paper:#F7F5F0;
  --white:#FFFFFF;
  --text:#1C1F1D;
  --muted:#6B7370;
  --line:#E3E0D8;
  --line-dark:rgba(247,245,240,.14);
  --on-dark:#F7F5F0;
  --on-dark-muted:#A9BDB5;
  --radius:14px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(14,42,35,.06);
  --shadow-2:0 12px 32px -12px rgba(14,42,35,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --head:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --num:"Barlow Condensed","Oswald",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding:0;
  font-family:var(--head);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease)}
button{font:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4{font-family:var(--head);margin:0;letter-spacing:-.02em;line-height:1.15;color:var(--ink-green);font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px}
.section{padding:88px 0}
.section--tight{padding:52px 0}
.section--paper{background:var(--paper)}
.section--white{background:var(--white)}
.section-head{max-width:720px;margin-bottom:44px}
.eyebrow{
  font-family:var(--num);text-transform:uppercase;letter-spacing:.16em;
  font-size:13px;font-weight:600;color:var(--orange);display:block;margin-bottom:12px;
}
.section-head h2{font-size:36px;font-weight:900}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- header ---------- */
.site-header{position:relative;z-index:60}
.topbar{background:var(--white);border-bottom:1px solid var(--line);transition:box-shadow .22s var(--ease)}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:12px}
.brand__mark{
  width:40px;height:40px;border-radius:12px;background:var(--ink-green);
  display:grid;place-items:center;flex:0 0 auto;
}
.brand__mark svg{width:23px;height:23px}
.brand__text{display:block;font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--ink-green);line-height:1.2}
.brand__sub{
  display:block;font-family:var(--num);text-transform:uppercase;letter-spacing:.14em;
  font-size:10.5px;color:var(--muted);line-height:1.4;
}
.topbar__right{display:flex;align-items:center;gap:14px}
.search{display:flex;align-items:center;position:relative}
.search__toggle{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  background:var(--white);color:var(--ink-green);display:grid;place-items:center;
  transition:all .2s var(--ease);
}
.search__toggle:hover{border-color:var(--ink-green);color:var(--orange)}
.search__input{
  width:0;opacity:0;height:44px;padding:0;border:1px solid transparent;
  border-radius:var(--radius-btn);background:var(--paper);margin-left:8px;
  transition:width .26s var(--ease),opacity .2s var(--ease),padding .2s var(--ease);
}
.search.is-open .search__input{width:220px;opacity:1;padding:0 14px;border-color:var(--orange);background:var(--white)}
.ghost-link{font-size:15px;color:var(--ink-green);border-bottom:1px solid transparent;padding-bottom:2px}
.ghost-link:hover{color:var(--orange);border-bottom-color:var(--orange)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:all .2s var(--ease);white-space:nowrap;
}
.btn--primary{background:var(--orange);color:#fff}
.btn--primary:hover{background:var(--orange-dark);transform:translateY(-1px);box-shadow:0 10px 24px -12px rgba(255,90,31,.75)}
.btn--outline{border-color:var(--ink-green);color:var(--ink-green);background:transparent}
.btn--outline:hover{background:var(--ink-green);color:#fff;transform:translateY(-1px)}
.btn--light{background:var(--on-dark);color:var(--ink-green)}
.btn--light:hover{background:#fff;transform:translateY(-1px)}
.btn--sm{height:38px;padding:0 16px;font-size:14px}

.channelbar{
  position:sticky;top:0;z-index:55;background:var(--white);
  border-bottom:1px solid var(--line);transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled .channelbar{box-shadow:0 10px 26px -18px rgba(14,42,35,.55)}
.channelbar__scroll{
  display:flex;align-items:center;gap:10px;height:48px;
  overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none;-ms-overflow-style:none;
}
.channelbar__scroll::-webkit-scrollbar{display:none}
.pill{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 16px;
  border-radius:999px;border:1px solid var(--line);background:transparent;
  color:var(--ink-green);font-size:14.5px;font-weight:500;white-space:nowrap;
  transition:all .2s var(--ease);
}
.pill:hover{border-color:var(--ink-green);background:rgba(14,42,35,.05)}
.pill.is-active{background:var(--ink-green);border-color:var(--ink-green);color:#fff;font-weight:600}
.pill.is-active:hover{background:var(--ink-green-2);border-color:var(--ink-green-2)}
.pill i{font-size:12.5px}

/* ---------- banner ---------- */
.page-banner{background:var(--ink-green);color:var(--on-dark);position:relative;overflow:hidden}
.page-banner::after{
  content:"";position:absolute;inset:auto -60px -120px auto;width:420px;height:420px;
  border:1px solid rgba(247,245,240,.08);border-radius:50%;pointer-events:none;
}
.page-banner__inner{
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
  min-height:206px;padding:34px 0;position:relative;z-index:1;
}
.breadcrumb{font-size:13px;color:var(--on-dark-muted);display:flex;gap:8px;align-items:center;margin-bottom:16px}
.breadcrumb a{color:var(--on-dark-muted)}
.breadcrumb a:hover{color:var(--orange)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:var(--on-dark)}
.page-banner h1{font-size:40px;font-weight:900;color:var(--on-dark)}
.page-banner h1 .thin{font-weight:400;color:var(--on-dark-muted)}
.page-banner__desc{margin-top:14px;color:var(--on-dark-muted);font-size:16px;max-width:520px}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.banner-tags span{
  font-size:12.5px;padding:5px 13px;border-radius:999px;
  background:rgba(247,245,240,.1);color:var(--on-dark);border:1px solid var(--line-dark);
}
.banner-media{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line-dark)}
.banner-media img{width:100%;height:190px;object-fit:cover}
.banner-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,42,35,.05),rgba(14,42,35,.45));
}

/* ---------- filters ---------- */
.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.filter-bar__label{font-size:13.5px;color:var(--muted);margin-right:6px}
.filter-pill{
  display:inline-flex;align-items:center;height:34px;padding:0 15px;border-radius:999px;
  border:1px solid var(--line);background:var(--white);color:var(--ink-green);
  font-size:14px;transition:all .2s var(--ease);cursor:default;
}
.filter-pill:hover{border-color:var(--ink-green)}
.filter-pill.is-active{background:rgba(255,90,31,.1);border-color:rgba(255,90,31,.28);color:#B8420F;font-weight:600}

/* ---------- flow list ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:44px}
.flow-item{
  display:grid;grid-template-columns:168px minmax(0,1fr);gap:22px;
  padding:26px 0;border-bottom:1px solid var(--line);
  transition:transform .22s var(--ease);
}
.flow-item:last-child{border-bottom:1px solid var(--line)}
.flow-item:hover .flow-item__thumb img{transform:scale(1.05)}
.flow-item:hover h3{color:var(--orange)}
.flow-item__thumb{
  border-radius:12px;overflow:hidden;aspect-ratio:4/3;background:rgba(14,42,35,.08);
}
.flow-item__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.flow-item__body{display:flex;flex-direction:column;gap:10px;min-width:0}
.flow-item h3{font-size:19px;font-weight:700;transition:color .2s var(--ease)}
.flow-item__text{
  font-size:14.8px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  font-size:12px;padding:4px 11px;border-radius:999px;line-height:1.5;
  background:rgba(47,211,165,.12);color:#0F6B54;
}
.tag--orange{background:rgba(255,90,31,.1);color:#B8420F}
.link-arrow{
  display:inline-flex;align-items:center;gap:7px;font-size:14.5px;font-weight:600;
  color:var(--ink-green);
}
.link-arrow i{transition:transform .2s var(--ease);font-size:12px}
.link-arrow:hover{color:var(--orange)}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- process ---------- */
.process-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0}
.process-item{padding:0 26px;border-left:1px solid var(--line)}
.process-item:first-child{border-left:0;padding-left:0}
.process-item__num{
  font-family:var(--num);font-size:44px;font-weight:700;color:rgba(14,42,35,.16);
  letter-spacing:.02em;line-height:1;
}
.process-item h3{font-size:19px;margin:14px 0 10px}
.process-item p{font-size:14.8px;color:var(--muted);line-height:1.78}

/* ---------- stat band ---------- */
.statband{background:var(--ink-green-2);color:var(--on-dark)}
.statband__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.stat{padding:8px 0}
.stat__num{
  font-family:var(--num);font-size:52px;font-weight:700;line-height:1;
  color:var(--on-dark);letter-spacing:.01em;
}
.stat__num em{font-style:normal;color:var(--mint);font-size:26px;margin-left:4px}
.stat__label{margin-top:12px;font-size:14.5px;color:var(--on-dark-muted)}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-accordion{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--white)}
.faq-accordion .accordion-item{border-bottom:1px solid var(--line);background:var(--white)}
.faq-accordion .accordion-item:last-child{border-bottom:0}
.faq-accordion .accordion-item.is-active{box-shadow:inset 3px 0 0 var(--orange)}
.faq-accordion .accordion-title{
  display:block;position:relative;border:0;background:transparent;
  padding:22px 62px 22px 24px;font-size:17px;font-weight:700;
  color:var(--ink-green);line-height:1.55;transition:all .2s var(--ease);
}
.faq-accordion .accordion-title:hover{color:var(--orange);background:rgba(14,42,35,.025)}
.faq-accordion .accordion-title::before{
  content:"+";position:absolute;right:24px;top:50%;width:auto;height:auto;
  transform:translateY(-50%);font-size:22px;font-weight:400;line-height:1;
  color:var(--orange);background:none;margin:0;transition:transform .22s var(--ease);
}
.faq-accordion .accordion-title[aria-expanded="true"]::before{content:"−";transform:translateY(-50%) rotate(180deg)}
.faq-accordion .accordion-content{
  border:0;background:var(--white);padding:0 62px 24px 24px;
  color:var(--muted);font-size:15px;line-height:1.85;
}

/* ---------- cta ---------- */
.cta-band{background:var(--ink-green);color:var(--on-dark)}
.cta-band__inner{
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  padding:56px 0;
}
.cta-band h2{font-size:30px;color:var(--on-dark);font-weight:900}
.cta-band p{margin-top:12px;color:var(--on-dark-muted);font-size:15.5px;max-width:560px}
.cta-band__actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.cta-phone{font-family:var(--num);font-size:24px;color:var(--mint);letter-spacing:.03em}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-green);color:var(--on-dark);padding:70px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.site-footer .brand__text{color:var(--on-dark)}
.footer-brand p{color:var(--on-dark-muted);font-size:14.5px;line-height:1.8;margin:16px 0 18px;max-width:310px}
.footer-contact span{display:block;font-size:14px;color:var(--on-dark-muted);margin-bottom:9px}
.footer-contact i{color:var(--orange);width:18px;margin-right:9px;font-size:13px}
.footer-col h4{font-size:15px;color:var(--on-dark);margin-bottom:16px;letter-spacing:.01em}
.footer-col li a{font-size:14.5px;color:var(--on-dark-muted);line-height:2.15}
.footer-col li a:hover{color:var(--orange)}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  font-size:13.5px;color:var(--on-dark-muted);
}

/* ---------- to top ---------- */
.to-top{
  position:fixed;right:26px;bottom:26px;width:48px;height:48px;border-radius:50%;
  background:var(--ink-green);color:#fff;display:grid;place-items:center;z-index:80;
  opacity:0;pointer-events:none;transition:all .24s var(--ease);box-shadow:var(--shadow-2);
}
.to-top.is-show{opacity:1;pointer-events:auto}
.to-top:hover{background:var(--orange);transform:translateY(-2px)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .52s var(--ease),transform .52s var(--ease)}
.reveal.is-show{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media screen and (max-width:1199px){
  .container{padding:0 32px}
  .page-banner h1{font-size:34px}
  .section-head h2{font-size:32px}
}
@media screen and (max-width:1023px){
  .container{padding:0 24px}
  .page-banner__inner{grid-template-columns:1fr;gap:28px;padding:32px 0}
  .banner-media img{height:210px}
  .flow-grid{grid-template-columns:1fr;column-gap:0}
  .process-grid{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:36px}
  .process-item:nth-child(3){border-left:0;padding-left:0}
  .statband__grid{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:34px}
  .cta-band__inner{flex-direction:column;align-items:flex-start;gap:26px;padding:48px 0}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px}
  .section{padding:68px 0}
}
@media screen and (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 18px}
  .topbar__inner{height:60px;gap:12px}
  .brand__mark{width:36px;height:36px;border-radius:10px}
  .brand__text{font-size:17px}
  .brand__sub{display:none}
  .ghost-link{display:none}
  .search.is-open .search__input{width:150px}
  .search__toggle{width:40px;height:40px}
  .btn--sm{height:38px;padding:0 14px;font-size:13.5px}
  .channelbar__scroll{
    -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 26px);
    mask-image:linear-gradient(90deg,transparent 0,#000 26px);
  }
  .page-banner h1{font-size:27px}
  .page-banner__desc{font-size:15px}
  .banner-media img{height:170px}
  .section{padding:56px 0}
  .section--tight{padding:40px 0}
  .section-head{margin-bottom:32px}
  .section-head h2{font-size:26px}
  .flow-item{grid-template-columns:1fr;gap:16px}
  .flow-item__thumb{aspect-ratio:16/9}
  .process-grid{grid-template-columns:1fr;row-gap:28px}
  .process-item{border-left:0;padding:0 0 0 18px;border-left:2px solid rgba(14,42,35,.08)}
  .process-item__num{font-size:34px}
  .stat__num{font-size:40px}
  .statband__grid{grid-template-columns:1fr;row-gap:26px}
  .cta-band h2{font-size:24px}
  .cta-band__actions{flex-direction:column;align-items:stretch;width:100%}
  .cta-band__actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:34px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .to-top{right:16px;bottom:16px;width:44px;height:44px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}