/* roulang page: index */
/* ===== 设计令牌 ===== */
:root{
  --c-primary:#14523C;
  --c-primary-dark:#0C3A2B;
  --c-primary-light:#1F7A57;
  --c-accent-green:#7FD1A0;
  --c-orange:#E4662E;
  --c-orange-soft:#F9E7DC;
  --c-text:#3A423E;
  --c-text-2:#6B7671;
  --c-head:#14181A;
  --c-line:#E6E2D9;
  --c-line-soft:#E9E5DC;
  --c-card:#FFFFFF;
  --c-bg:#F7F5EF;
  --c-bg-alt:#FBFAF6;
  --c-dark:#0E2A21;
  --c-mint:#E8F0E9;
  --c-success:#2E8B57;
  --c-warn:#D9932A;
  --c-error:#C0392B;
  --c-disabled:#C7C3BA;
  --r-btn:8px;
  --r-tag:999px;
  --r-card:14px;
  --r-block:22px;
  --sh-1:0 1px 2px rgba(20,24,26,.05),0 8px 24px rgba(20,24,26,.06);
  --sh-2:0 12px 32px rgba(20,24,26,.10);
  --nav-h:64px;
  --ctn:1200px;
  --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-serif:"Source Han Serif SC","Songti SC",Georgia,serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;background:var(--c-bg);color:var(--c-text);
  font-family:var(--font-sans);font-size:16.5px;line-height:1.9;
  letter-spacing:.01em;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,border-color .18s ease;}
a:hover{color:var(--c-primary-light);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--c-text);}
h1,h2,h3,h4{color:var(--c-head);margin:0;font-weight:700;letter-spacing:.005em;}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.25;}
h2{font-size:30px;line-height:1.35;}
h3{font-size:20px;line-height:1.5;font-weight:600;}
h4{font-size:17px;line-height:1.6;font-weight:600;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}

/* ===== 容器与板块 ===== */
.container{max-width:var(--ctn);margin:0 auto;padding:0 32px;width:100%;}
.section{padding:96px 0;}
.section--tight{padding:64px 0;}
.section--alt{background:#FFFFFF;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head .eyebrow{margin-bottom:14px;}
.section-head p{color:var(--c-text-2);font-size:16px;margin:14px 0 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;line-height:1.6;letter-spacing:.12em;
  color:var(--c-primary-light);text-transform:none;font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-orange);display:inline-block;border-radius:2px;}
.lead{font-size:17px;color:var(--c-text-2);}
.readwrap{max-width:760px;}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:120;background:rgba(247,245,239,.96);
  border-bottom:1px solid transparent;transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(247,245,239,.92);border-bottom-color:var(--c-line);backdrop-filter:saturate(140%) blur(6px);}
.header-inner{
  height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.header-left{display:flex;align-items:center;gap:28px;min-width:0;}
.header-right{display:flex;align-items:center;gap:12px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:36px;height:36px;border-radius:9px;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;font-family:var(--font-serif);
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.18);transition:width .2s ease,height .2s ease;
}
.is-scrolled .logo-mark{width:32px;height:32px;font-size:15px;}
.logo-text{
  font-size:16px;font-weight:700;color:var(--c-head);white-space:nowrap;letter-spacing:.01em;
}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;display:inline-block;padding:8px 12px;font-size:14px;letter-spacing:.02em;
  color:var(--c-text);border-radius:6px;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--c-primary);
  transform:scaleX(0);transform-origin:left center;transition:transform .18s ease;
}
.nav-link:hover{color:var(--c-head);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{font-weight:600;color:var(--c-head);}
.nav-link.is-active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:16px;border-radius:2px;background:var(--c-primary);
}
.nav-link.is-active::after{transform:scaleX(1);}
.icon-btn{
  width:44px;height:44px;border-radius:999px;display:flex;align-items:center;justify-content:center;
  color:var(--c-text);transition:background .18s ease,color .18s ease;
}
.icon-btn:hover{background:rgba(20,82,60,.08);color:var(--c-primary);}
.icon-btn svg{width:19px;height:19px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  border:1.5px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{border-color:var(--c-primary);color:var(--c-primary);background:transparent;}
.btn-ghost:hover{background:rgba(20,82,60,.08);color:var(--c-primary-dark);}
.btn-light{background:#fff;color:var(--c-primary-dark);}
.btn-light:hover{background:#F2F7F3;color:var(--c-primary-dark);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn[disabled],.btn.is-disabled{background:var(--c-disabled);color:#fff;cursor:not-allowed;box-shadow:none;transform:none;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary);}
.text-link .arrow{display:inline-block;transition:transform .2s ease;}
.text-link:hover .arrow{transform:translateX(3px);}
.text-link--light{color:#CBE3D5;}
.text-link--light:hover{color:#fff;}

/* 搜索面板 */
.search-panel{
  overflow:hidden;max-height:0;opacity:0;
  transition:max-height .28s ease,opacity .28s ease;
  border-top:1px solid transparent;background:#fff;
}
.search-panel.is-open{max-height:260px;opacity:1;border-top-color:var(--c-line);}
.search-panel-inner{padding:20px 0 24px;display:flex;flex-direction:column;gap:14px;}
.search-row{display:flex;gap:12px;}
.search-input{
  flex:1;height:48px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  padding:0 16px;background:var(--c-bg-alt);transition:border-color .18s ease,box-shadow .18s ease;
}
.search-input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(20,82,60,.18);background:#fff;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.tag-row .tag-label{font-size:13px;color:var(--c-text-2);margin-right:2px;}

/* 抽屉 */
.drawer{position:fixed;top:0;right:0;height:100%;width:86%;max-width:360px;background:#fff;z-index:200;
  transform:translateX(100%);transition:transform .3s ease;padding:20px;overflow-y:auto;box-shadow:-10px 0 30px rgba(14,42,33,.14);}
.drawer.is-open{transform:translateX(0);}
.drawer-mask{position:fixed;inset:0;background:rgba(14,42,33,.45);opacity:0;visibility:hidden;z-index:190;transition:opacity .25s ease,visibility .25s ease;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:20px;}
.drawer-nav a{padding:13px 10px;border-radius:8px;font-size:15px;color:var(--c-head);border-bottom:1px solid var(--c-line);}
.drawer-nav a:hover{background:var(--c-bg-alt);color:var(--c-primary);}
.drawer-nav a.is-active{font-weight:600;color:var(--c-primary);}
.hamburger{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:8px;color:var(--c-head);}
.hamburger svg{width:22px;height:22px;}

/* ===== Hero ===== */
.hero{padding:calc(var(--nav-h) + 24px) 0 96px;background:
  radial-gradient(1100px 420px at 88% -10%,rgba(127,209,160,.16),transparent 60%),
  var(--c-bg);}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:center;}
.hero-copy .eyebrow{margin-bottom:16px;display:inline-flex;}
.hero h1{font-family:var(--font-serif);font-weight:700;margin-bottom:18px;}
.hero-sub{font-size:17px;color:var(--c-text-2);max-width:34ch;margin-bottom:28px;}
.hero-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-bottom:30px;}
.trust-row{display:flex;flex-wrap:wrap;align-items:center;gap:0;font-size:13px;color:var(--c-text-2);}
.trust-row li{position:relative;padding:0 14px;line-height:1.7;}
.trust-row li:first-child{padding-left:0;}
.trust-row li+li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:12px;background:var(--c-line);}
.hero-visual{position:relative;padding-bottom:26px;}
.hero-img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-block);box-shadow:var(--sh-1);background:#EFEBE2;}
.hero-stat{
  position:absolute;left:18px;bottom:18px;background:rgba(14,42,33,.9);color:#fff;
  border-radius:var(--r-card);padding:12px 16px;display:flex;align-items:center;gap:12px;
  backdrop-filter:blur(3px);
}
.hero-stat strong{font-family:var(--font-serif);font-size:26px;line-height:1;color:#fff;}
.hero-stat span{font-size:12.5px;line-height:1.5;color:#CBE3D5;display:block;}
.hero-mini{
  position:absolute;right:16px;bottom:-14px;width:40%;background:#fff;padding:8px;
  border-radius:var(--r-card);box-shadow:var(--sh-2);
}
.hero-mini img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:8px;background:#EFEBE2;}
.hero-mini figcaption{font-size:12.5px;color:var(--c-text-2);line-height:1.6;padding:6px 4px 2px;}

/* ===== 主张条 ===== */
.claim-bar{background:var(--c-dark);color:#D9E4DD;padding:40px 0;}
.claim-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.claim-inner p{margin:0;font-size:clamp(18px,2.2vw,22px);font-family:var(--font-serif);color:#fff;line-height:1.5;}

/* ===== 故事 ===== */
.story-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;}
.story-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-block);box-shadow:var(--sh-1);background:#EFEBE2;}
.story-list{margin-top:26px;border-top:1px solid var(--c-line);}
.story-list li{
  display:flex;gap:16px;align-items:baseline;padding:14px 0;border-bottom:1px solid var(--c-line);font-size:15px;
}
.story-list li .idx{font-family:var(--font-serif);font-size:14px;color:var(--c-orange);min-width:52px;letter-spacing:.06em;}
.story-list li span:last-child{color:var(--c-text-2);}

/* ===== 精选卡片 ===== */
.feature-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:32px;}
.fcard{
  grid-column:span 6;background:var(--c-card);border:1px solid var(--c-line-soft);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow .3s ease,transform .3s ease;display:flex;flex-direction:column;
}
.fcard:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.fcard-imgwrap{overflow:hidden;}
.fcard-imgwrap img{width:100%;object-fit:cover;background:#EFEBE2;transition:transform .6s ease;}
.fcard--lg{grid-column:span 8;}
.fcard--sm{grid-column:span 4;}
.fcard--lg .fcard-imgwrap img{aspect-ratio:16/9;}
.fcard--sm .fcard-imgwrap img{aspect-ratio:16/11;}
.fcard:hover .fcard-imgwrap img{transform:scale(1.03);}
.fcard-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1;}
.fcard-body h3{margin-top:2px;}
.fcard-body p{margin:0;font-size:15px;color:var(--c-text-2);line-height:1.85;}
.fcard-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--c-text-2);margin-top:auto;padding-top:8px;}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:var(--r-tag);
  font-size:12.5px;font-weight:600;line-height:1;background:var(--c-mint);color:var(--c-primary-dark);white-space:nowrap;
}
.badge--orange{background:var(--c-orange-soft);color:#A8451B;}
.badge--line{background:transparent;border:1px solid var(--c-line);color:var(--c-text-2);}

/* ===== 资讯列表（CMS） ===== */
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 32px;}
.news-item{border-bottom:1px solid var(--c-line);}
.news-link{
  position:relative;display:block;padding:24px 18px 24px 18px;color:inherit;
  transition:background .22s ease,padding-left .22s ease;
}
.news-link::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;
  background:var(--c-primary);opacity:0;transition:opacity .22s ease;
}
.news-link:hover{background:var(--c-bg-alt);color:inherit;padding-left:24px;}
.news-link:hover::before{opacity:1;}
.news-link h3{
  font-size:17px;line-height:1.6;margin:10px 0 8px;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-link p{
  margin:0 0 12px;font-size:14.5px;color:var(--c-text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12.5px;color:var(--c-text-2);}
.news-more{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--c-primary);}
.empty-state{
  grid-column:1/-1;border:1px dashed var(--c-line);border-radius:var(--r-card);background:#fff;
  padding:44px 28px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px;
}
.empty-state svg{width:40px;height:40px;color:var(--c-primary-light);}
.empty-state p{margin:0;color:var(--c-text-2);font-size:15px;}
.list-foot{display:flex;justify-content:flex-end;align-items:center;gap:12px;margin-top:36px;}
.pager{display:flex;gap:8px;}
.pager a,.pager span{
  width:36px;height:36px;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;border:1px solid var(--c-line);color:var(--c-text);background:#fff;
}
.pager a:hover{background:var(--c-bg-alt);color:var(--c-primary);}
.pager .is-current{background:var(--c-primary);color:#fff;border-color:var(--c-primary);font-weight:600;}

/* ===== 数据背书 ===== */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-bottom:56px;}
.stat{padding:26px 22px;background:#fff;border:1px solid var(--c-line-soft);border-radius:var(--r-card);box-shadow:var(--sh-1);}
.stat strong{display:block;font-family:var(--font-serif);font-size:44px;line-height:1.1;color:var(--c-primary);font-weight:700;}
.stat span{display:block;font-size:13px;color:var(--c-text-2);margin-top:10px;line-height:1.7;}
.logo-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;}
.logo-cell{
  height:64px;border:1px solid var(--c-line-soft);border-radius:10px;background:#fff;
  display:flex;align-items:center;justify-content:center;filter:grayscale(1);opacity:.62;
  transition:filter .28s ease,opacity .28s ease,border-color .28s ease;
}
.logo-cell:hover{filter:grayscale(0);opacity:1;border-color:#CFE0D4;}
.logo-cell svg{width:34px;height:34px;color:#8C9A92;}

/* ===== FAQ ===== */
.faq-list{max-width:760px;border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;padding:22px 44px 22px 0;
  font-size:17px;font-weight:500;color:var(--c-head);line-height:1.6;transition:font-weight .2s ease,color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:-18px;top:31px;width:8px;height:8px;border-radius:50%;
  background:var(--c-primary);opacity:0;transition:opacity .2s ease;
}
.faq-item summary::after{
  content:"";position:absolute;right:8px;top:28px;width:10px;height:10px;
  border-right:2px solid var(--c-text-2);border-bottom:2px solid var(--c-text-2);
  transform:rotate(45deg);transition:transform .25s ease;
}
.faq-item[open] summary{font-weight:600;}
.faq-item[open] summary::before{opacity:1;}
.faq-item[open] summary::after{transform:rotate(-135deg);}
.faq-body{padding:0 44px 24px 0;color:var(--c-text-2);font-size:15.5px;line-height:1.9;}
.faq-body p{margin:0 0 .8em;}
.faq-body p:last-child{margin-bottom:0;}

/* ===== CTA ===== */
.cta{background:var(--c-mint);padding:96px 0;}
.cta-grid{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center;}
.cta h2{margin-bottom:14px;}
.cta p{color:#41564B;margin-bottom:0;}
.cta-form{background:#fff;border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);border:1px solid var(--c-line-soft);}
.form-row{display:flex;gap:12px;align-items:flex-end;}
.field{flex:1;display:flex;flex-direction:column;gap:7px;}
.field label{font-size:13px;color:var(--c-text-2);}
.field input{
  height:48px;border:1px solid var(--c-line);border-radius:var(--r-btn);padding:0 16px;background:var(--c-bg-alt);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field input:focus{outline:none;border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 2px rgba(20,82,60,.18);}
.field input.is-error{border-color:var(--c-error);}
.form-hint{font-size:13px;color:var(--c-text-2);margin:14px 0 0;}
.form-hint.is-error{color:var(--c-error);}
.form-hint.is-ok{color:var(--c-success);}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-dark);color:#D9E4DD;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-mark{background:#1C4636;box-shadow:inset 0 0 0 2px rgba(255,255,255,.14);}
.footer-brand span{font-size:16px;font-weight:700;color:#fff;}
.site-footer p{font-size:14px;line-height:1.9;color:#A9BFB2;margin:0 0 12px;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{color:#D9E4DD;font-size:14px;border-bottom:1px solid transparent;align-self:flex-start;}
.footer-links a:hover{color:#fff;border-bottom-color:rgba(255,255,255,.5);}
.footer-contact li{font-size:14px;color:#A9BFB2;line-height:1.9;}
.footer-contact li strong{color:#D9E4DD;font-weight:600;display:block;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA79A;
}

/* ===== 状态 ===== */
.skeleton{background:linear-gradient(90deg,#EFEBE2 25%,#F7F5EF 37%,#EFEBE2 63%);background-size:400% 100%;animation:sk 1.4s ease infinite;border-radius:8px;height:14px;}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}
.loading-dots::after{content:"";display:inline-block;width:14px;text-align:left;animation:dots 1.2s steps(4,end) infinite;}
@keyframes dots{0%{content:""}25%{content:"."}50%{content:".."}75%{content:"..."}100%{content:""}}
.tags-row{display:flex;flex-wrap:wrap;gap:10px;}

/* ===== 响应式 ===== */
@media (max-width:1080px){
  :root{--nav-h:60px;}
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  .hero{padding:calc(var(--nav-h) + 24px) 0 64px;}
  .hero-grid,.story-grid,.cta-grid{grid-template-columns:1fr;gap:36px;}
  .hero-sub{max-width:none;}
  .feature-grid{gap:24px;}
  .fcard--lg,.fcard--sm{grid-column:span 6;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:24px;}
  .logo-wall{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .main-nav{display:none;}
  .hamburger{display:flex;}
  h2{font-size:23px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:32px;}
  .hero{padding:calc(var(--nav-h) + 20px) 0 48px;}
  .hero-visual{padding-bottom:0;}
  .hero-img{aspect-ratio:4/3;}
  .hero-mini{position:static;width:100%;margin-top:14px;box-shadow:var(--sh-1);}
  .hero-stat{left:12px;bottom:12px;padding:10px 12px;}
  .hero-stat strong{font-size:22px;}
  .feature-grid{grid-template-columns:1fr;}
  .fcard--lg,.fcard--sm{grid-column:span 1;}
  .news-list{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr;}
  .logo-wall{grid-template-columns:repeat(2,1fr);}
  .form-row{flex-direction:column;align-items:stretch;}
  .cta-form{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .header-right .btn-sm{display:none;}
  .claim-inner{gap:16px;}
}
@media (max-width:520px){
  h1{font-size:28px;}
  h2{font-size:22px;}
  .logo-text{font-size:15px;max-width:44vw;overflow:hidden;text-overflow:ellipsis;}
  .stat strong{font-size:36px;}
  .trust-row li{padding:0 10px;}
}

/* roulang page: article */
:root{
  --brand:#14523C;
  --brand-dark:#0C3A2B;
  --brand-light:#1F7A57;
  --brand-accent:#7FD1A0;
  --accent:#E4662E;
  --accent-soft:#F9E7DC;
  --text:#3A423E;
  --text-muted:#6B7671;
  --ink:#14181A;
  --line:#E6E2D9;
  --line-soft:#E9E5DC;
  --card:#FFFFFF;
  --page:#F7F5EF;
  --dark:#0E2A21;
  --soft-green:#E8F0E9;
  --success:#2E8B57;
  --warn:#D9932A;
  --danger:#C0392B;
  --disabled:#C7C3BA;
  --radius-btn:8px;
  --radius-card:14px;
  --radius-lg:22px;
  --shadow-1:0 1px 2px rgba(20,24,26,.05),0 8px 24px rgba(20,24,26,.06);
  --shadow-2:0 12px 32px rgba(20,24,26,.10);
  --gap:32px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.9;
  color:var(--text);
  background:var(--page);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .18s ease}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.01em}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.section--dark{background:var(--dark);color:#D9E4DD}
.section--soft{background:var(--soft-green)}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);background:var(--brand-dark)}
.btn-ghost{border:1.5px solid var(--brand);color:var(--brand-dark);background:transparent}
.btn-ghost:hover{background:rgba(20,82,60,.08)}
.btn-light{background:#fff;color:var(--brand-dark)}
.btn-light:hover{background:#F1F6F2;transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-dark);font-weight:600;font-size:15px}
.text-link .arrow{transition:transform .2s ease;display:inline-block}
.text-link:hover .arrow{transform:translateX(3px)}
.text-link:hover{color:var(--brand)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;line-height:1.6;font-weight:600;
  background:var(--soft-green);color:var(--brand-dark);
}
.badge--accent{background:var(--accent-soft);color:#B44A18}
.badge--outline{background:transparent;border:1px solid var(--line);color:var(--text-muted);font-weight:500}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,239,.86);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(247,245,239,.94);
  border-bottom-color:var(--line);
  box-shadow:0 2px 12px rgba(20,24,26,.04);
}
.header-inner{display:flex;align-items:center;height:64px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:9px;
  background:var(--brand);color:#fff;
  display:grid;place-items:center;
  font-size:17px;font-weight:700;
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.2);
  transition:width .25s ease,height .25s ease,font-size .25s ease;
}
.site-header.is-scrolled .logo-mark{width:32px;height:32px;font-size:15px}
.brand-name{font-size:15.5px;font-weight:700;color:var(--ink);letter-spacing:.01em;white-space:nowrap}
.header-split{width:1px;height:22px;background:var(--line);flex-shrink:0}
.main-nav{display:flex;align-items:center;gap:22px;flex-wrap:nowrap}
.nav-link{
  position:relative;font-size:14px;letter-spacing:.02em;color:var(--text);
  padding:6px 0;white-space:nowrap;transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--brand);transition:width .18s ease;
}
.nav-link:hover{color:var(--brand-dark)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{font-weight:600;color:var(--brand-dark);padding-left:11px}
.nav-link.is-active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:16px;background:var(--brand);border-radius:2px;
}
.nav-link.is-active::after{width:0}
.header-right{margin-left:auto;display:flex;align-items:center;gap:14px;flex-shrink:0}
.icon-btn{
  width:44px;height:44px;border-radius:10px;
  display:grid;place-items:center;color:var(--brand-dark);
  transition:background .2s ease;
}
.icon-btn:hover{background:rgba(20,82,60,.08)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;place-items:center}
.nav-toggle:hover{background:rgba(20,82,60,.08)}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--brand-dark);margin:3px auto;border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.search-panel{
  position:absolute;left:0;right:0;top:100%;
  background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-1);
  padding:22px 0;display:none;
}
.search-panel.is-open{display:block}
.search-row{display:flex;gap:12px;align-items:center}
.search-input{
  flex:1;height:48px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:#FCFBF8;
  padding:0 16px;font-size:15px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-input::placeholder{color:var(--text-muted)}
.search-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(20,82,60,.12)}
.search-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.search-tags .badge--outline{cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease}
.search-tags .badge--outline:hover{background:var(--soft-green);color:var(--brand-dark);border-color:var(--brand-accent)}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,42,33,.45);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:90;
}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86%;max-width:360px;
  background:#fff;z-index:95;transform:translateX(100%);
  transition:transform .28s ease;padding:24px 22px;overflow-y:auto;
  display:flex;flex-direction:column;gap:22px;
}
body.drawer-open .drawer{transform:translateX(0)}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
body.drawer-open{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-nav{display:flex;flex-direction:column;gap:2px}
.drawer-nav a{
  padding:14px 12px;border-radius:10px;font-size:15.5px;color:var(--text);
  border-left:3px solid transparent;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.drawer-nav a:hover{background:var(--soft-green);color:var(--brand-dark)}
.drawer-nav a.is-active{border-left-color:var(--brand);color:var(--brand-dark);font-weight:600;background:#F5F9F5}

/* ============ 面包屑 ============ */
.breadcrumb{padding:22px 0 0;font-size:13px;color:var(--text-muted)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li::after{content:"/";margin-left:8px;color:var(--line)}
.breadcrumb li:last-child::after{content:""}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--brand-dark)}
.breadcrumb .current{color:var(--text-muted);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:bottom}

/* ============ 文章头 ============ */
.article-hero{padding:26px 0 0}
.article-hero-inner{max-width:820px}
.article-hero h1{
  font-size:clamp(28px,3.4vw,42px);line-height:1.3;font-weight:700;letter-spacing:0;
  margin:16px 0 18px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:13.5px;color:var(--text-muted);padding-bottom:26px;
}
.article-meta .sep{width:1px;height:14px;background:var(--line)}
.article-cover{
  margin:0 0 8px;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line-soft);box-shadow:var(--shadow-1);background:#EFEBE2;
}
.article-cover img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* ============ 正文 ============ */
.article-layout{padding:52px 0 96px}
.article-body{max-width:760px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--text)}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1em}
.article-body h2{
  position:relative;font-size:26px;line-height:1.4;margin:2.2em 0 .8em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:20px;
  background:var(--brand);border-radius:2px;
}
.article-body h3{font-size:18px;line-height:1.6;margin:1.8em 0 .6em}
.article-body h4{font-size:17px;line-height:1.6;margin:1.5em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:2px}
.article-body li{position:relative;padding-left:20px;margin-bottom:.5em;line-height:1.9}
.article-body ul>li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;
  background:var(--brand-accent);border:1px solid var(--brand-light);border-radius:2px;
}
.article-body ol{counter-reset:item}
.article-body ol>li{counter-increment:item}
.article-body ol>li::before{
  content:counter(item);position:absolute;left:0;top:.35em;
  width:16px;height:16px;border-radius:5px;background:var(--soft-green);color:var(--brand-dark);
  font-size:11.5px;line-height:16px;text-align:center;font-weight:700;
}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;background:var(--soft-green);
  border-left:3px solid var(--brand);border-radius:0 10px 10px 0;color:var(--brand-dark);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--brand);border-bottom:1px dashed var(--brand-light);padding-bottom:1px}
.article-body a:hover{color:var(--brand-dark);border-bottom-style:solid}
.article-body img{border-radius:12px;margin:1.6em auto;box-shadow:var(--shadow-1)}
.article-body figure{margin:1.6em 0}
.article-body figcaption,.article-body .caption{
  font-size:13px;color:var(--text-muted);text-align:center;margin-top:8px;line-height:1.7;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  border:1px solid var(--line);border-radius:10px;overflow:hidden;
}
.article-body thead th{background:#F1F4EF;font-weight:600;color:var(--ink);text-align:left}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:#FBFAF6}
.article-body hr{border:0;height:1px;background:var(--line);margin:2.4em 0}
.article-body strong{color:var(--ink);font-weight:600}
.article-empty{
  max-width:760px;margin:0 auto;background:#fff;border:1px solid var(--line-soft);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);
  padding:48px 32px;text-align:center;
}
.article-empty .empty-icon{
  width:56px;height:56px;border-radius:14px;margin:0 auto 18px;
  background:var(--soft-green);display:grid;place-items:center;color:var(--brand);
}
.article-empty h2{font-size:20px;margin-bottom:10px}
.article-empty p{color:var(--text-muted);font-size:15px;margin-bottom:22px}

/* ============ 文章尾部 ============ */
.article-foot{max-width:760px;margin:48px auto 0;padding-top:28px;border-top:1px solid var(--line)}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.article-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
.share-row{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--text-muted)}
.share-row .share-btn{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--text-muted);background:#fff;
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
}
.share-row .share-btn:hover{color:var(--brand-dark);border-color:var(--brand-accent);background:var(--soft-green);transform:translateY(-1px)}

/* ============ 相关推荐 ============ */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px}
.related-card{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius-card);
  padding:16px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#DCD6C9}
.related-thumb{
  width:88px;height:88px;flex:0 0 88px;border-radius:10px;overflow:hidden;background:#EFEBE2;
}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.related-card:hover .related-thumb img{transform:scale(1.03)}
.related-body h3{font-size:16px;line-height:1.55;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-body h3 a:hover{color:var(--brand)}
.related-body time{font-size:13px;color:var(--text-muted)}

.section-head{margin-bottom:8px}
.section-head h2{font-size:30px;line-height:1.35}
.section-head p{margin-top:10px;color:var(--text-muted);font-size:15px;max-width:640px}

/* ============ CTA ============ */
.cta-band{padding:64px 0}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:#E8F0E9;border-radius:var(--radius-lg);padding:44px 48px;
  border:1px solid #D6E4DA;
}
.cta-inner h2{font-size:26px;line-height:1.4;margin-bottom:8px}
.cta-inner p{color:#41564D;font-size:15px;margin:0}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#D9E4DD;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:#fff;margin-bottom:14px}
.site-footer p{font-size:14px;line-height:1.8;color:#A9BDB3;margin:0}
.site-footer h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:#D9E4DD;transition:color .2s ease}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;color:#A9BDB3}
.footer-contact strong{color:#fff;font-weight:600;margin-right:6px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:#8FA69B;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .section--tight{padding:48px 0}
  .main-nav,.header-split{display:none}
  .nav-toggle{display:grid}
  .header-inner{height:60px;gap:16px}
  .brand-name{font-size:14.5px}
  .related-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:36px}
  .article-body{font-size:16.5px}
  .article-body h2{font-size:23px}
}
@media (max-width:768px){
  .article-meta{gap:10px;font-size:13px}
  .related-grid{grid-template-columns:1fr}
  .article-layout{padding:36px 0 72px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .header-inner{height:56px}
  .brand-name{font-size:13.5px}
  .logo-mark{width:32px;height:32px;font-size:15px}
  .article-hero h1{font-size:28px}
  .article-body{font-size:16px}
  .article-body h2{font-size:21px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .footer-grid{grid-template-columns:1fr}
  .cta-inner{padding:28px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .btn{width:auto}
  .search-row{flex-direction:column;align-items:stretch}
}

/* roulang page: category1 */
:root{
  --brand:#14523C;
  --brand-dark:#0C3A2B;
  --brand-light:#1F7A57;
  --brand-tint:#7FD1A0;
  --accent:#E4662E;
  --accent-soft:#F9E7DC;
  --ink:#14181A;
  --text:#3A423E;
  --muted:#6B7671;
  --line:#E6E2D9;
  --line-soft:#E9E5DC;
  --card:#FFFFFF;
  --page:#F7F5EF;
  --deep:#0E2A21;
  --soft-green:#E8F0E9;
  --success:#2E8B57;
  --warn:#D9932A;
  --error:#C0392B;
  --disabled:#C7C3BA;
  --radius-btn:8px;
  --radius-card:14px;
  --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(20,24,26,.05),0 8px 24px rgba(20,24,26,.06);
  --shadow-lg:0 12px 32px rgba(20,24,26,.10);
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --serif:"Source Han Serif SC","Songti SC",serif;
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.9;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
::selection{background:var(--brand-tint);color:var(--deep);}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:96px 0;}
.section-alt{background:#FFFFFF;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{
  font-size:30px;
  line-height:1.35;
  font-weight:700;
  color:var(--ink);
  letter-spacing:.01em;
}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.14em;color:var(--brand-light);
  text-transform:uppercase;font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:block;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,239,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(247,245,239,.92);
  box-shadow:0 6px 20px rgba(20,24,26,.06);
}
.nav-wrap{
  height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{
  display:inline-flex;align-items:center;gap:11px;
  font-weight:700;color:var(--ink);font-size:16.5px;letter-spacing:.01em;
  white-space:nowrap;
  transition:transform .25s ease;
}
.logo-mark{
  width:32px;height:32px;flex:0 0 32px;
  display:grid;place-items:center;
  background:var(--brand);color:#fff;
  border-radius:7px;
  font-size:16px;font-weight:700;
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.28);
}
.site-header.is-scrolled .brand{transform:scale(.96);}
.nav-left{display:flex;align-items:center;gap:34px;min-width:0;}
.main-nav{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;
  font-size:14px;letter-spacing:.02em;color:var(--text);
  padding:6px 0 6px 0;
  white-space:nowrap;
  transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;
  width:100%;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{
  font-weight:600;color:var(--brand-dark);
  padding-left:11px;
}
.nav-link.is-active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:16px;border-radius:2px;background:var(--brand);
}
.nav-link.is-active::after{display:none;}
.nav-right{display:flex;align-items:center;gap:14px;padding-left:24px;border-left:1px solid var(--line);}
.icon-btn{
  width:44px;height:44px;border-radius:10px;
  display:grid;place-items:center;color:var(--text);
  transition:background .18s ease,color .18s ease;
}
.icon-btn:hover{background:#EFEBE2;color:var(--brand-dark);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--shadow-lg);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border:1.5px solid var(--brand);color:var(--brand-dark);background:transparent;}
.btn-ghost:hover{background:rgba(20,82,60,.08);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-dark);font-weight:600;font-size:15px;
}
.btn-text svg{transition:transform .2s ease;}
.btn-text:hover svg{transform:translateX(3px);}
.btn[disabled]{background:var(--disabled);color:#fff;cursor:not-allowed;box-shadow:none;}
.hamburger{display:none;}

/* search panel */
.search-panel{
  display:none;
  border-bottom:1px solid var(--line);
  background:#FFFFFF;
}
.search-panel.is-open{display:block;}
.search-inner{padding:22px 0 26px;}
.search-field{display:flex;gap:12px;align-items:center;}
.search-field input{
  height:48px;flex:1;border:1px solid var(--line-soft);border-radius:var(--radius-btn);
  padding:0 16px;background:#FDFCF9;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-field input:focus{border-color:var(--brand);box-shadow:0 0 0 2px rgba(20,82,60,.18);outline:none;}
.search-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.tag-pill{
  display:inline-flex;align-items:center;
  padding:6px 14px;border-radius:999px;
  background:#F2EFE7;color:var(--muted);font-size:13px;
  transition:background .18s ease,color .18s ease;
}
.tag-pill:hover{background:var(--soft-green);color:var(--brand-dark);}

/* mobile drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,42,33,.45);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86%;max-width:360px;
  background:#FFFFFF;z-index:90;transform:translateX(100%);
  transition:transform .28s ease;display:flex;flex-direction:column;
  padding:22px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-nav{display:flex;flex-direction:column;gap:2px;}
.drawer-nav a{
  padding:14px 4px;border-bottom:1px solid var(--line);
  font-size:15.5px;color:var(--text);display:flex;justify-content:space-between;align-items:center;
}
.drawer-nav a.is-active{color:var(--brand-dark);font-weight:600;}
.drawer-cta{margin-top:24px;display:flex;flex-direction:column;gap:12px;}

/* ---------- Hero ---------- */
.hero{padding:calc(var(--nav-h) + 56px) 0 88px;}
.hero-grid{
  display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center;
}
.hero h1{
  font-family:var(--serif);
  font-size:clamp(30px,4.2vw,52px);
  line-height:1.25;font-weight:700;color:var(--ink);
  letter-spacing:.01em;
}
.hero .lede{margin-top:20px;font-size:16.5px;color:var(--text);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:32px;}
.hero-points{margin-top:34px;display:flex;flex-direction:column;gap:14px;}
.hero-points li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15.5px;color:var(--text);
}
.hero-points .dot{
  flex:0 0 20px;width:20px;height:20px;margin-top:5px;border-radius:6px;
  background:var(--soft-green);color:var(--brand-dark);
  display:grid;place-items:center;font-size:12px;font-weight:700;
}
.hero-media{position:relative;}
.hero-media .figure-main{
  border-radius:var(--radius-lg);overflow:hidden;background:#EFEBE2;
  box-shadow:var(--shadow-sm);aspect-ratio:16/10;
}
.hero-media .figure-main img{width:100%;height:100%;object-fit:cover;}
.hero-media .figure-sub{
  position:absolute;right:-14px;bottom:-26px;
  width:40%;min-width:180px;
  background:#fff;border-radius:var(--radius-card);
  padding:8px;border:1px solid var(--line-soft);
  box-shadow:var(--shadow-lg);
}
.hero-media .figure-sub img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:8px;}
.hero-media .data-badge{
  position:absolute;left:-16px;bottom:26px;
  background:var(--deep);color:#E8F0E9;
  border-radius:12px;padding:14px 18px;
  box-shadow:var(--shadow-lg);
}
.hero-media .data-badge strong{display:block;font-family:var(--serif);font-size:26px;line-height:1.2;color:#fff;}
.hero-media .data-badge span{font-size:12.5px;letter-spacing:.08em;color:#A9C6B8;}

/* ---------- Rows / cards ---------- */
.row-card{
  display:grid;grid-template-columns:1.05fr 1fr;gap:0;
  background:var(--card);border:1px solid var(--line-soft);
  border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .3s ease,transform .3s ease;
}
.row-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);}
.row-card + .row-card{margin-top:28px;}
.row-card .media{overflow:hidden;background:#EFEBE2;min-height:250px;}
.row-card .media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.row-card:hover .media img{transform:scale(1.03);}
.row-card .body{padding:38px 40px;display:flex;flex-direction:column;justify-content:center;}
.row-card.reverse{grid-template-columns:1fr 1.05fr;}
.row-card.reverse .media{order:2;}
.row-card.reverse .body{order:1;}
.badge{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.03em;
  background:var(--soft-green);color:var(--brand-dark);
}
.badge-accent{background:var(--accent-soft);color:#9C3E12;}
.row-card h3{font-size:20px;line-height:1.5;font-weight:600;color:var(--ink);margin:16px 0 12px;}
.row-card p{color:var(--text);font-size:15.5px;}
.row-card .mini-list{margin-top:18px;display:flex;flex-direction:column;gap:9px;}
.row-card .mini-list li{
  position:relative;padding-left:16px;font-size:14.5px;color:var(--muted);
}
.row-card .mini-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:2px;background:var(--brand-light);
}

/* ---------- Stage cards ---------- */
.stage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.stage-card{
  background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius-card);
  padding:32px 28px;box-shadow:var(--shadow-sm);
  border-left:3px solid var(--brand);
  transition:box-shadow .3s ease,transform .3s ease;
}
.stage-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);}
.stage-num{
  font-family:var(--serif);font-size:30px;line-height:1;color:var(--brand-light);font-weight:700;
}
.stage-card h3{font-size:19px;font-weight:600;color:var(--ink);margin:16px 0 10px;}
.stage-card p{font-size:15px;color:var(--muted);}
.stage-meta{
  margin-top:20px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);letter-spacing:.02em;
}

/* ---------- FAQ ---------- */
.faq-list{max-width:760px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;font-size:17px;color:var(--ink);font-weight:500;
  transition:color .18s ease;
}
.faq-q:hover{color:var(--brand-dark);}
.faq-item.is-open .faq-q{font-weight:600;color:var(--brand-dark);}
.faq-item.is-open .faq-q::before{
  content:"";width:8px;height:8px;border-radius:50%;
  background:var(--brand);flex:0 0 8px;margin-right:-8px;
}
.faq-q .q-text{flex:1;display:flex;align-items:center;gap:14px;}
.faq-q svg{flex:0 0 18px;transition:transform .25s ease;color:var(--muted);}
.faq-item.is-open .faq-q svg{transform:rotate(180deg);color:var(--brand);}
.faq-a{display:none;padding:0 0 24px 0;color:var(--text);font-size:15.5px;max-width:660px;}
.faq-item.is-open .faq-a{display:block;}

/* ---------- CTA ---------- */
.cta-band{background:var(--soft-green);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.cta-grid{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cta-grid h2{font-size:28px;line-height:1.4;font-weight:700;color:var(--ink);max-width:520px;}
.cta-grid p{margin-top:12px;color:var(--muted);font-size:15.5px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{background:var(--deep);color:#D9E4DD;padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;color:#fff;margin-bottom:16px;
}
.site-footer p{font-size:14.5px;color:#A9C6B8;line-height:1.85;max-width:360px;}
.site-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.06em;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14.5px;color:#C3D6CB;transition:color .18s ease;}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14.5px;color:#C3D6CB;}
.footer-contact strong{display:block;color:#8FB4A2;font-size:12.5px;font-weight:600;letter-spacing:.08em;}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(217,228,221,.16);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FB4A2;
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  .hero{padding:calc(var(--nav-h) + 40px) 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:48px;}
  .hero-media .figure-sub{right:0;bottom:-20px;}
  .hero-media .data-badge{left:0;}
  .nav-left{gap:22px;}
  .main-nav{gap:18px;}
  .row-card,.row-card.reverse{grid-template-columns:1fr;}
  .row-card.reverse .media{order:0;}
  .row-card.reverse .body{order:1;}
  .stage-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .section-head h2{font-size:23px;}
  .main-nav,.nav-right .btn{display:none;}
  .nav-right{border-left:0;padding-left:0;gap:6px;}
  .hamburger{display:grid;}
  .hero h1{font-size:28px;}
  .stage-grid{grid-template-columns:1fr;}
  .row-card .body{padding:28px 24px;}
  .cta-grid h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .hero-actions{gap:12px;}
  .hero-media .figure-sub{width:52%;right:8px;bottom:-16px;}
  .hero-media .data-badge{left:8px;padding:10px 14px;}
  .btn{width:100%;}
  .hero-actions .btn-text{width:auto;}
  .cta-actions{width:100%;}
}

/* roulang page: category2 */
:root{
  --green:#14523C; --green-dark:#0C3A2B; --green-light:#1F7A57; --green-accent:#7FD1A0;
  --orange:#E4662E; --orange-soft:#F9E7DC;
  --ink:#14181A; --text:#3A423E; --muted:#6B7671; --line:#E6E2D9; --line-soft:#E9E5DC;
  --card:#FFFFFF; --page:#F7F5EF; --dark:#0E2A21; --band:#E8F0E9;
  --ok:#2E8B57; --warn:#D9932A; --err:#C0392B; --dis:#C7C3BA;
  --r-btn:8px; --r-pill:999px; --r-card:14px; --r-hero:22px;
  --sh:0 1px 2px rgba(20,24,26,.05), 0 8px 24px rgba(20,24,26,.06);
  --sh-hover:0 12px 32px rgba(20,24,26,.10);
  --w:1200px;
  --sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --serif:"Source Han Serif SC","Songti SC","PingFang SC",serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);font-size:16.5px;line-height:1.9;color:var(--text);background:var(--page);overflow-x:hidden}
img{max-width:100%;display:block;border-radius:var(--r-card)}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.35}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.25;font-weight:700}
h2{font-size:30px;font-weight:700}
h3{font-size:20px;line-height:1.5;font-weight:600}
h4{font-size:17px;line-height:1.6;font-weight:600}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
:focus-visible{outline:2px solid var(--green);outline-offset:2px;border-radius:4px}
.container{max-width:var(--w);margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.section--paper{background:#FBFAF6}
.section--band{background:var(--band)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head .eyebrow{display:inline-block;font-size:12.5px;letter-spacing:.14em;color:var(--green-light);font-weight:600;margin-bottom:12px}
.section-head p{margin-top:14px;color:var(--muted)}

/* ===== header / nav ===== */
.site-header{position:sticky;top:0;z-index:50;background:rgba(247,245,239,.94);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:box-shadow .25s,border-color .25s,background .25s}
.site-header.is-scrolled{background:rgba(247,245,239,.92);border-bottom-color:var(--line);box-shadow:0 2px 12px rgba(20,24,26,.05)}
.header-inner{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:34px;height:34px;border-radius:8px;background:var(--green);color:#fff;display:grid;place-items:center;font-size:17px;font-weight:700;box-shadow:inset 0 0 0 2px rgba(255,255,255,.28)}
.brand-text{font-size:16px;font-weight:700;color:var(--ink);white-space:nowrap;letter-spacing:.01em}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px;flex-wrap:nowrap}
.nav-link{position:relative;display:inline-block;padding:9px 11px;font-size:14px;letter-spacing:.02em;color:var(--text);border-radius:8px;transition:color .18s,background .18s;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:11px;right:11px;bottom:5px;height:2px;background:var(--green);transform:scaleX(0);transform-origin:left;transition:transform .18s ease}
.nav-link:hover{color:var(--green-dark);background:rgba(20,82,60,.05)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{font-weight:600;color:var(--green-dark);background:rgba(20,82,60,.06)}
.nav-link.is-active::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:2px;background:var(--green)}
.header-side{display:flex;align-items:center;gap:10px;margin-left:auto;padding-left:20px;border-left:1px solid var(--line)}
.icon-btn{width:44px;height:44px;border-radius:10px;display:grid;place-items:center;color:var(--green-dark);transition:background .18s}
.icon-btn:hover{background:rgba(20,82,60,.07)}
.icon-btn svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.ham{display:none;width:44px;height:44px;border-radius:10px;place-items:center;color:var(--ink)}
.ham span{display:block;width:20px;height:2px;background:currentColor;border-radius:2px;margin:4px auto}
.ham:hover{background:rgba(20,82,60,.07)}
.search-panel{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh);padding:20px 0}
.search-panel.is-open{display:block}
.search-row{display:flex;gap:12px;align-items:center}
.search-row input{flex:1;height:48px;border:1px solid var(--line);border-radius:var(--r-btn);padding:0 16px;font-size:15px;font-family:inherit;background:#FCFBF7;color:var(--ink)}
.search-row input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(20,82,60,.12)}
.search-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag-pill{font-size:12.5px;padding:5px 12px;border-radius:var(--r-pill);background:#F0EEE7;color:var(--text)}
.tip-label{font-size:13px;color:var(--muted);margin-bottom:8px}

/* ===== buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;transition:transform .18s,background .18s,color .18s,border-color .18s;border:1.5px solid transparent;white-space:nowrap}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-dark);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:var(--green);color:var(--green-dark)}
.btn-ghost:hover{background:rgba(20,82,60,.08)}
.btn-sm{height:40px;padding:0 16px;font-size:13.5px}
.btn-light{background:#fff;color:var(--green-dark)}
.btn-light:hover{transform:translateY(-1px);background:#F3F6F2}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--green-dark);font-weight:600;font-size:15px}
.text-link svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .2s}
.text-link:hover svg{transform:translateX(3px)}

/* ===== badge ===== */
.badge{display:inline-flex;align-items:center;font-size:12.5px;padding:4px 11px;border-radius:var(--r-pill);background:#EAF2EC;color:var(--green-dark);font-weight:600;letter-spacing:.02em}
.badge-warm{background:var(--orange-soft);color:#9C3F14}

/* ===== category banner ===== */
.cat-banner{position:relative;isolation:isolate;color:#fff;padding:calc(64px + 68px) 0 76px;background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat}
.cat-banner::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,rgba(12,58,43,.95) 0%,rgba(12,58,43,.80) 52%,rgba(12,58,43,.56) 100%)}
.crumb{font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px}
.crumb span{color:#fff}
.cat-banner h1{color:#fff;max-width:900px}
.banner-lead{margin-top:18px;max-width:640px;font-size:17px;color:rgba(255,255,255,.88)}
.banner-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.banner-meta .badge{background:rgba(255,255,255,.14);color:#EAF4EC}
.banner-arc{position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;border:2px dashed rgba(127,209,160,.35);border-radius:50%;z-index:-1}

/* ===== split ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split + .split{margin-top:72px}
.split-media{position:relative;border-radius:var(--r-hero);overflow:hidden;box-shadow:var(--sh);background:#EFEBE2}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;transition:transform .6s ease}
.split-media:hover img{transform:scale(1.03)}
.split-body h2{margin-bottom:16px}
.split-body p{max-width:38em}
.check-list{margin-top:22px;display:grid;gap:14px}
.check-list li{position:relative;padding-left:26px;font-size:15.5px;line-height:1.8}
.check-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--green-light)}
.split.reverse .split-media{order:2}
.split.reverse .split-body{order:1}

/* ===== scene cards ===== */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--card);border:1px solid var(--line-soft);border-radius:var(--r-card);box-shadow:var(--sh);padding:26px;transition:box-shadow .3s,transform .3s}
.card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px)}
.card h3{margin:14px 0 10px}
.card p{color:var(--muted);font-size:15px}
.card-num{font-family:var(--serif);font-size:30px;color:var(--green);line-height:1}

/* ===== param bar ===== */
.param-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-card);box-shadow:var(--sh);overflow:hidden}
.param-item{padding:26px 24px;border-right:1px solid var(--line-soft)}
.param-item:last-child{border-right:0}
.param-item .k{font-size:13px;color:var(--muted);letter-spacing:.04em}
.param-item .v{margin-top:8px;font-size:17px;font-weight:600;color:var(--ink);line-height:1.5}

/* ===== faq ===== */
.faq-list{max-width:760px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{position:relative;list-style:none;cursor:pointer;padding:20px 44px 20px 24px;font-size:17px;font-weight:600;color:var(--ink);transition:color .2s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scale(.6);width:8px;height:8px;border-radius:50%;background:var(--green);opacity:0;transition:.22s}
.faq-item summary::after{content:"";position:absolute;right:14px;top:50%;width:9px;height:9px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:translateY(-70%) rotate(45deg);transition:transform .25s}
.faq-item[open] summary::before{opacity:1;transform:translateY(-50%) scale(1)}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-item[open] summary{color:var(--green-dark)}
.faq-answer{padding:0 44px 22px 24px;color:var(--muted);font-size:15.5px}

/* ===== cta ===== */
.cta-band{background:var(--band);border-top:1px solid #D9E4DC;border-bottom:1px solid #D9E4DC}
.cta-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.cta-inner h2{font-size:26px}
.cta-inner p{margin-top:14px;color:#41564B}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-note{margin-top:12px;font-size:13px;color:#5B6E63}

/* ===== footer ===== */
.site-footer{background:var(--dark);color:#D9E4DD;padding:72px 0 28px;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.site-footer h4{color:#fff;font-size:15px;letter-spacing:.04em;margin-bottom:16px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-brand .logo-mark{background:#1B4436}
.site-footer p{color:#A9BFB3;font-size:14.5px;max-width:36em}
.footer-links{display:grid;gap:10px}
.footer-links a{color:#C4D6CB;font-size:14.5px;transition:color .18s}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-contact{display:grid;gap:10px;font-size:14.5px;color:#C4D6CB}
.footer-contact strong{display:block;color:#8FA79A;font-weight:500;font-size:12.5px;letter-spacing:.04em}
.footer-bottom{margin-top:48px;padding-top:20px;border-top:1px solid rgba(217,228,221,.16);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#93AAA0}

/* ===== drawer ===== */
.drawer-mask{position:fixed;inset:0;background:rgba(14,42,33,.45);opacity:0;visibility:hidden;transition:.3s;z-index:70}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;height:100%;width:86%;max-width:360px;background:#fff;z-index:80;transform:translateX(101%);transition:transform .3s ease;padding:22px 20px 32px;overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;font-size:20px;color:var(--muted)}
.drawer-close:hover{background:#F1EFE8}
.drawer-nav{display:grid;gap:4px;margin-bottom:24px}
.drawer-nav a{padding:13px 12px;border-radius:10px;font-size:15px;color:var(--text)}
.drawer-nav a:hover{background:#F5F3EC;color:var(--green-dark)}
.drawer-nav a.is-active{background:rgba(20,82,60,.08);font-weight:600;color:var(--green-dark);box-shadow:inset 3px 0 0 var(--green)}
.drawer .search-row input{height:48px}
body.no-scroll{overflow:hidden}

/* ===== responsive ===== */
@media (max-width:1080px){
  .main-nav{display:none}
  .ham{display:grid}
  .header-side{border-left:0;padding-left:0}
  .split{gap:36px}
  .param-bar{grid-template-columns:repeat(2,1fr)}
  .param-item:nth-child(2){border-right:0}
  .param-item:nth-child(1),.param-item:nth-child(2){border-bottom:1px solid var(--line-soft)}
}
@media (max-width:920px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .section--tight{padding:48px 0}
  .card-grid{grid-template-columns:1fr 1fr}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  h2{font-size:23px}
}
@media (max-width:768px){
  .split{grid-template-columns:1fr;gap:22px}
  .split.reverse .split-media{order:1}
  .split.reverse .split-body{order:2}
  .split + .split{margin-top:48px}
  .cat-banner{padding:calc(56px + 48px) 0 56px}
  .banner-lead{font-size:16px}
}
@media (max-width:520px){
  body{font-size:16px}
  .container{padding:0 16px}
  .section{padding:48px 0}
  .card-grid{grid-template-columns:1fr}
  .param-bar{grid-template-columns:1fr}
  .param-item{border-right:0;border-bottom:1px solid var(--line-soft)}
  .param-item:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
  .brand-text{font-size:14.5px}
  .cta-actions .btn{width:100%}
}

/* roulang page: category3 */
:root{
  --brand:#14523C;
  --brand-dark:#0C3A2B;
  --brand-light:#1F7A57;
  --mint:#7FD1A0;
  --accent:#E4662E;
  --accent-soft:#F9E7DC;
  --text:#3A423E;
  --muted:#6B7671;
  --ink:#14181A;
  --line:#E6E2D9;
  --card-line:#E9E5DC;
  --card:#FFFFFF;
  --page:#F7F5EF;
  --soft:#E8F0E9;
  --dark:#0E2A21;
  --ok:#2E8B57;
  --warn:#D9932A;
  --err:#C0392B;
  --disabled:#C7C3BA;
  --r-btn:8px;
  --r-pill:999px;
  --r-card:14px;
  --r-lg:22px;
  --sh:0 1px 2px rgba(20,24,26,.05), 0 8px 24px rgba(20,24,26,.06);
  --sh-hover:0 12px 32px rgba(20,24,26,.10);
  --sans:-apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --serif:"Source Han Serif SC", "Songti SC", serif;
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--sans);background:var(--page);color:var(--text);
  font-size:16.5px;line-height:1.9;letter-spacing:.01em;
}
body.is-locked{overflow:hidden}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:700}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.25}
h2{font-size:30px;line-height:1.35}
h3{font-size:20px;line-height:1.5;font-weight:600}
h4{font-size:17px;line-height:1.6;font-weight:600}
p{margin:0 0 1em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;margin:0 auto;padding:0 32px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);border:1.5px solid transparent;
  font-size:15.5px;font-weight:600;cursor:pointer;background:transparent;
  transition:background-color .18s ease, color .18s ease, border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--sh)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{border-color:var(--brand);color:var(--brand);background:#fff}
.btn-outline:hover{background:rgba(20,82,60,.08)}
.btn-soft{background:var(--soft);color:var(--brand-dark)}
.btn-soft:hover{background:#DCE9DE}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px}
.link-arrow svg{transition:transform .18s ease}
.link-arrow:hover svg{transform:translateX(3px)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12.5px;line-height:1.6;font-weight:600;
  background:var(--soft);color:var(--brand-dark);white-space:nowrap;
}
.badge-accent{background:var(--accent-soft);color:#A2401A}
.badge-outline{background:#fff;border:1px solid var(--line);color:var(--muted)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(247,245,239,.98);
  border-bottom:1px solid transparent;transition:background-color .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.site-header.is-scrolled{background:rgba(247,245,239,.92);border-bottom-color:var(--line);box-shadow:0 6px 18px rgba(20,24,26,.05)}
.header-inner{display:flex;align-items:center;gap:24px;height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--ink);flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:9px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;
  box-shadow:inset 0 0 0 2px rgba(127,209,160,.55);
}
.brand-text{font-size:16px;letter-spacing:.01em;transition:font-size .2s ease}
.site-header.is-scrolled .brand-text{font-size:15px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 12px;
  font-size:14px;letter-spacing:.02em;color:var(--text);border-radius:var(--r-btn);transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand-dark);font-weight:600}
.nav-link.is-active::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:2px;background:var(--brand)}
.nav-link.is-active::after{transform:scaleX(1)}
.header-right{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;cursor:pointer;color:var(--brand-dark);
  transition:background-color .18s ease,border-color .18s ease;
}
.icon-btn:hover{background:var(--soft);border-color:#CFDCD2}
.hamburger{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;
  cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--brand-dark);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.search-panel{border-top:1px solid var(--line);background:#fff;padding:20px 0}
.search-inner{display:flex;flex-direction:column;gap:14px;max-width:760px}
.search-field{display:flex;gap:10px}
.search-field input{
  flex:1;height:48px;border:1px solid var(--line);border-radius:var(--r-btn);padding:0 16px;background:#fff;
}
.search-field input:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 2px rgba(20,82,60,.18)}
.hot-tags{display:flex;flex-wrap:wrap;gap:8px}
.hot-tags a{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--page);border:1px solid var(--line);font-size:13.5px;color:var(--muted);
}
.hot-tags a:hover{border-color:var(--brand);color:var(--brand)}
.drawer-mask{position:fixed;inset:0;background:rgba(14,42,33,.45);z-index:70}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:86%;max-width:380px;background:#fff;z-index:80;
  transform:translateX(105%);transition:transform .26s ease;padding:22px;overflow-y:auto;box-shadow:-12px 0 32px rgba(20,24,26,.14);
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-links{display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--line);padding-top:12px}
.drawer-links a{padding:12px 6px;border-bottom:1px solid var(--line);font-size:15.5px}
.drawer-links a.is-active{color:var(--brand);font-weight:600}
.drawer-cta{margin-top:20px;display:flex;flex-direction:column;gap:10px}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;min-height:420px;display:flex;align-items:center;
  padding:calc(var(--nav-h) + 48px) 0 72px;color:#fff;
  background-image:linear-gradient(102deg, rgba(12,58,43,.94) 0%, rgba(12,58,43,.82) 46%, rgba(14,42,33,.58) 100%), url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.hero-inner{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;width:100%}
.hero h1{color:#fff;font-family:var(--serif);max-width:16em}
.hero-sub{margin:18px 0 10px;font-size:18px;color:#E4EDE7;max-width:34em}
.hero-desc{color:#C6D8CD;font-size:15.5px;max-width:36em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero .btn-outline{border-color:rgba(255,255,255,.62);color:#fff;background:transparent}
.hero .btn-outline:hover{background:rgba(255,255,255,.14)}
.hero-metrics{display:flex;flex-wrap:wrap;gap:0;margin-top:30px;font-size:13px;color:#B9CFC2}
.hero-metrics li{padding:0 16px;border-left:1px solid rgba(255,255,255,.24)}
.hero-metrics li:first-child{padding-left:0;border-left:none}
.hero-card{
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);border-radius:var(--r-lg);
  padding:22px;backdrop-filter:blur(2px);
}
.hero-card h2{color:#fff;font-size:19px;margin-bottom:12px}
.hero-card ul{display:flex;flex-direction:column;gap:10px}
.hero-card li{display:flex;gap:10px;font-size:14.5px;color:#DCE8E0;line-height:1.7}
.hero-card li svg{flex:0 0 auto;margin-top:6px}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head .badge{margin-bottom:14px}
.section-head p{color:var(--muted);margin-top:12px}
.eyebrow{font-size:12.5px;letter-spacing:.16em;color:var(--brand-light);font-weight:600;text-transform:uppercase}

/* ---------- 目录 + 内容 ---------- */
.catalog-grid{display:grid;grid-template-columns:250px minmax(0,1fr);gap:48px;align-items:start}
.catalog-aside{position:sticky;top:calc(var(--nav-h) + 24px)}
.aside-card{background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);padding:18px;box-shadow:var(--sh)}
.aside-title{font-size:13px;letter-spacing:.08em;color:var(--muted);margin:0 0 10px}
.anchor-list{display:flex;flex-direction:column}
.anchor-link{
  position:relative;padding:11px 12px 11px 16px;border-radius:var(--r-btn);font-size:14.5px;color:var(--text);
  border-bottom:1px solid var(--line);transition:background-color .18s ease,color .18s ease;
}
.anchor-list .anchor-link:last-child{border-bottom:none}
.anchor-link::before{content:"";position:absolute;left:2px;top:15px;bottom:15px;width:3px;border-radius:2px;background:var(--brand);opacity:0;transition:opacity .18s ease}
.anchor-link:hover{background:var(--page);color:var(--brand-dark)}
.anchor-link.is-active{background:var(--soft);color:var(--brand-dark);font-weight:600}
.anchor-link.is-active::before{opacity:1}
.anchor-mobile{display:none;margin-bottom:26px}
.anchor-mobile label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px}
.anchor-mobile select{
  width:100%;height:48px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;padding:0 14px;
}
.anchor-block{padding-bottom:8px;margin-bottom:56px;scroll-margin-top:calc(var(--nav-h) + 24px)}
.anchor-block:last-child{margin-bottom:0}
.anchor-block > h2{position:relative;padding-left:16px;margin-bottom:16px}
.anchor-block > h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand)}
.reading{max-width:760px}

/* ---------- 场地分类卡 ---------- */
.type-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.type-card{
  background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh);transition:box-shadow .3s ease,transform .3s ease;display:flex;flex-direction:column;
}
.type-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px)}
.type-card figure{margin:0;overflow:hidden;aspect-ratio:16/10;background:#EFEBE2}
.type-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.type-card:hover img{transform:scale(1.03)}
.type-card .type-body{padding:20px 22px 24px}
.type-card h3{margin-bottom:8px}
.type-card p{font-size:14.8px;color:var(--muted);margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.type-meta{display:flex;gap:8px;flex-wrap:wrap}

/* ---------- 规格对比表 ---------- */
.table-wrap{
  width:100%;overflow-x:auto;border:1px solid var(--card-line);border-radius:var(--r-card);
  background:#fff;box-shadow:var(--sh);-webkit-overflow-scrolling:touch;
}
.spec-table{border-collapse:separate;border-spacing:0;width:100%;min-width:720px;font-size:14.8px}
.spec-table caption{
  caption-side:top;text-align:left;padding:16px 20px;font-size:13.5px;color:var(--muted);
  border-bottom:1px solid var(--line);
}
.spec-table th,.spec-table td{padding:14px 18px;text-align:left;vertical-align:top;line-height:1.75;border-bottom:1px solid var(--line)}
.spec-table thead th{
  background:#FBFAF6;color:var(--brand-dark);font-weight:600;font-size:14px;letter-spacing:.02em;
  position:sticky;top:0;z-index:2;
}
.spec-table tbody tr:nth-child(even) td{background:#FBFAF6}
.spec-table tbody tr:hover td{background:var(--soft)}
.spec-table tbody tr:last-child th,.spec-table tbody tr:last-child td{border-bottom:none}
.spec-table th[scope="row"],.spec-table td:first-child{
  position:sticky;left:0;z-index:1;background:#fff;font-weight:600;color:var(--ink);
  border-right:1px solid var(--line);min-width:150px;
}
.spec-table tbody tr:nth-child(even) th[scope="row"],.spec-table tbody tr:nth-child(even) td:first-child{background:#FBFAF6}
.spec-table tbody tr:hover th[scope="row"],.spec-table tbody tr:hover td:first-child{background:var(--soft)}
.spec-table thead th:first-child{background:#F3F0E8;z-index:3}

/* ---------- 要点列表 ---------- */
.check-list{display:flex;flex-direction:column;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.check-list li{display:flex;gap:12px;background:#fff;padding:16px 20px;font-size:15.4px;line-height:1.8}
.check-list li svg{flex:0 0 auto;margin-top:5px}
.check-list strong{color:var(--ink);font-weight:600}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.scene-card{
  background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);padding:26px 24px;
  box-shadow:var(--sh);transition:box-shadow .3s ease,transform .3s ease;
}
.scene-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px)}
.scene-card .badge{margin-bottom:14px}
.scene-card h3{margin-bottom:10px}
.scene-card p{font-size:14.8px;color:var(--muted);margin:0}

/* ---------- 流程时间线 ---------- */
.steps{display:grid;gap:0;counter-reset:step}
.step{
  position:relative;display:grid;grid-template-columns:64px minmax(0,1fr);gap:24px;
  padding:0 0 34px;align-items:start;
}
.step:last-child{padding-bottom:0}
.step::before{content:"";position:absolute;left:31px;top:52px;bottom:6px;width:1px;background:var(--line)}
.step:last-child::before{display:none}
.step-num{
  width:52px;height:52px;border-radius:50%;border:2px solid var(--brand);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:21px;font-weight:700;background:#fff;
}
.step-card{background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);padding:20px 22px;box-shadow:var(--sh)}
.step-card h3{margin-bottom:8px}
.step-card p{margin:0;font-size:14.8px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq{max-width:760px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;position:relative;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:20px 0;font-size:16.5px;font-weight:500;color:var(--ink);transition:padding-left .2s ease,color .2s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{
  content:"";position:absolute;left:0;top:50%;width:8px;height:8px;margin-top:-4px;border-radius:50%;
  background:var(--brand);opacity:0;transition:opacity .2s ease;
}
.faq details[open] summary{font-weight:600;color:var(--brand-dark);padding-left:20px}
.faq details[open] summary::before{opacity:1}
.faq summary:hover{color:var(--brand)}
.faq-arrow{flex:0 0 auto;transition:transform .25s ease;color:var(--brand)}
.faq details[open] .faq-arrow{transform:rotate(180deg)}
.faq-body{padding:0 0 22px;font-size:15.4px;color:var(--muted);max-width:700px}

/* ---------- CTA ---------- */
.cta-band{background:var(--dark);color:#D9E4DD;padding:64px 0}
.cta-inner{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:32px;align-items:center}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:10px}
.cta-band p{margin:0;color:#B9CFC2;font-size:15.4px;max-width:38em}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
.cta-band .btn-outline{border-color:rgba(255,255,255,.5);color:#fff}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.12)}
.cta-band .btn-primary{background:var(--accent)}
.cta-band .btn-primary:hover{background:#C9551F}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#D9E4DD;padding:64px 0 28px;font-size:14.6px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px 24px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;color:#fff;margin-bottom:14px;font-size:16px}
.site-footer p{margin:0;color:#A9C0B4;line-height:1.85;max-width:34em}
.site-footer h4{color:#fff;font-size:14.5px;margin-bottom:14px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-links a{color:#B9CFC2;transition:color .18s ease}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-contact{display:flex;flex-direction:column;gap:9px;color:#B9CFC2}
.footer-contact strong{color:#fff;font-weight:600;margin-right:8px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);color:#8FA79A;font-size:13px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 24px}
  .main-nav{display:none}
  .hamburger{display:flex}
  .header-cta{display:none}
  .section{padding:64px 0}
  .hero{padding:calc(var(--nav-h) + 36px) 0 56px}
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .catalog-grid{grid-template-columns:minmax(0,1fr);gap:0}
  .catalog-aside{display:none}
  .anchor-mobile{display:block}
  .type-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:minmax(0,1fr);gap:22px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  body{font-size:16px}
  h1{font-size:28px}
  h2{font-size:23px}
  h3{font-size:18px}
  .section{padding:48px 0}
  .hero-sub{font-size:16.5px}
  .hero-metrics li{padding:0 12px}
  .type-grid{grid-template-columns:minmax(0,1fr)}
  .scene-grid{grid-template-columns:minmax(0,1fr)}
  .step{grid-template-columns:52px minmax(0,1fr);gap:16px}
  .step::before{left:25px}
  .step-num{width:44px;height:44px;font-size:18px}
  .spec-table{font-size:14px;min-width:640px}
  .spec-table th,.spec-table td{padding:12px 14px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text{font-size:14.5px}
  .hero{padding:calc(var(--nav-h) + 24px) 0 44px}
  .hero-actions .btn{width:100%}
  .hero-metrics{flex-direction:column;gap:8px}
  .hero-metrics li{padding:0;border-left:none}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding:48px 0}
  .search-field{flex-direction:column}
  .search-field .btn{width:100%}
}

/* roulang page: category4 */
:root{
  --brand:#14523C;
  --brand-dark:#0C3A2B;
  --brand-light:#1F7A57;
  --mint:#7FD1A0;
  --accent:#E4662E;
  --accent-soft:#F9E7DC;
  --ink:#14181A;
  --text:#3A423E;
  --muted:#6B7671;
  --line:#E6E2D9;
  --line-soft:#E9E5DC;
  --card:#FFFFFF;
  --bg:#F7F5EF;
  --deep:#0E2A21;
  --success:#2E8B57;
  --warn:#D9932A;
  --radius-btn:8px;
  --radius-card:14px;
  --radius-block:22px;
  --shadow-sm:0 1px 2px rgba(20,24,26,.05), 0 8px 24px rgba(20,24,26,.06);
  --shadow-lg:0 12px 32px rgba(20,24,26,.10);
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --serif:"Source Han Serif SC","Songti SC","PingFang SC",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:16.5px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.35;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
input{font-family:inherit;font-size:15px;}

.container{max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,239,.9);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{
  background:rgba(247,245,239,.96);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:64px;gap:28px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:9px;
  background:var(--brand);color:#fff;
  display:grid;place-items:center;
  font-size:15px;font-weight:700;
  box-shadow:inset 0 0 0 2px rgba(228,102,46,.85);
  transition:transform .2s ease;
}
.brand:hover .logo-mark{transform:translateY(-1px);}
.brand-text{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.01em;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:24px;margin-left:8px;}
.nav-link{
  position:relative;
  font-size:14px;letter-spacing:.02em;color:var(--text);
  padding:20px 0;display:inline-block;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:14px;height:2px;width:0;
  background:var(--brand);transition:width .18s ease;
}
.nav-link:hover{color:var(--brand-dark);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{font-weight:600;color:var(--brand-dark);}
.nav-link.is-active::before{
  content:"";position:absolute;left:-11px;top:50%;transform:translateY(-50%);
  width:3px;height:15px;border-radius:2px;background:var(--brand);
}
.header-tools{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.divider-v{width:1px;height:24px;background:var(--line);}
.icon-btn{
  width:40px;height:40px;border-radius:10px;
  display:grid;place-items:center;color:var(--brand-dark);
  border:1px solid transparent;transition:background .18s ease,border-color .18s ease;
}
.icon-btn:hover{background:#EFEBE2;border-color:var(--line);}
.icon-btn svg{width:19px;height:19px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{border:1.5px solid var(--brand);color:var(--brand-dark);background:transparent;}
.btn-outline:hover{background:rgba(20,82,60,.08);}
.btn-light-outline{border:1.5px solid rgba(255,255,255,.6);color:#fff;background:transparent;}
.btn-light-outline:hover{background:rgba(255,255,255,.14);}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#c9561f;transform:translateY(-1px);}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--brand);font-weight:600;font-size:15px;
  border-bottom:1px dashed rgba(20,82,60,.45);padding-bottom:2px;
}
.link-arrow svg{width:16px;height:16px;transition:transform .18s ease;}
.link-arrow:hover svg{transform:translateX(3px);}
.link-arrow-light{color:#fff;border-bottom-color:rgba(255,255,255,.5);}

.hamburger{display:none;}

/* ---------- drawer / search ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,42,33,.45);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86%;max-width:360px;
  background:var(--bg);z-index:100;padding:20px 22px 28px;
  transform:translateX(100%);transition:transform .28s ease;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-nav{display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--line);}
.drawer-nav a{
  padding:15px 4px;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--text);
}
.drawer-nav a.is-active{color:var(--brand-dark);font-weight:600;}
.drawer-cta{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.drawer-cta .btn{width:100%;}

.search-panel{
  position:absolute;left:0;right:0;top:100%;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-lg);
  padding:20px 0 22px;
  display:none;
}
.search-panel.is-open{display:block;}
.search-row{display:flex;gap:12px;align-items:center;}
.search-row input{
  flex:1;height:48px;padding:0 16px;border:1px solid var(--line);
  border-radius:var(--radius-btn);background:#FBFAF6;color:var(--ink);
}
.search-row input:focus{border-color:var(--brand);background:#fff;}
.search-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}
.chip{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;
  border-radius:999px;background:#EFEBE2;color:var(--brand-dark);
  font-size:12.5px;letter-spacing:.01em;
}
.chip-soft{background:var(--accent-soft);color:#a8441a;}
.chip-line{background:transparent;border:1px solid var(--line);color:var(--muted);}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background-image:
    linear-gradient(100deg,rgba(12,58,43,.94) 0%,rgba(14,42,33,.86) 46%,rgba(14,42,33,.62) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:#fff;
  padding:calc(64px + 26px) 0 84px;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;
  width:420px;height:420px;border:1px solid rgba(127,209,160,.35);
  border-radius:50%;
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(217,228,221,.82);margin-bottom:22px;
}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{color:rgba(217,228,221,.62);}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:48px;align-items:end;position:relative;z-index:2;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--mint);margin-bottom:16px;
}
.hero-eyebrow::before{content:"";width:22px;height:1px;background:var(--mint);}
h1.hero-title{
  font-family:var(--serif);
  font-size:clamp(30px,4.2vw,52px);line-height:1.25;font-weight:700;
  color:#fff;max-width:16em;
}
.hero-lead{
  margin-top:18px;font-size:17px;color:rgba(233,240,235,.9);max-width:34em;line-height:1.85;
}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:30px;}
.hero-metrics{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:34px;font-size:13px;color:rgba(217,228,221,.88);
}
.hero-metrics span{display:inline-flex;align-items:center;gap:8px;}
.hero-metrics .bar{width:1px;height:14px;background:rgba(217,228,221,.35);}
.hero-side{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(217,228,221,.22);
  border-radius:var(--radius-card);
  padding:22px 22px 20px;
  backdrop-filter:blur(4px);
}
.hero-side h2{color:#fff;font-size:16px;font-weight:600;margin-bottom:12px;}
.hero-side ul li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:rgba(233,240,235,.9);padding:9px 0;
  border-bottom:1px solid rgba(217,228,221,.16);
}
.hero-side ul li:last-child{border-bottom:0;}
.hero-side svg{width:16px;height:16px;flex:0 0 auto;margin-top:5px;color:var(--mint);}

/* ---------- sections ---------- */
.section{padding:96px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-deep{background:var(--deep);color:#D9E4DD;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.09em;color:var(--brand-light);
  text-transform:uppercase;margin-bottom:14px;font-weight:600;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);border-radius:2px;}
.section-head h2{font-size:30px;line-height:1.35;font-weight:700;}
.section-head p{margin-top:14px;font-size:16.5px;color:var(--muted);}
.section-deep .eyebrow{color:var(--mint);}
.section-deep h2,.section-deep h3{color:#fff;}
.section-deep p{color:#C4D5CB;}

.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.prep-card{
  background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.prep-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#DCD6C9;}
.card-icon{
  width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;margin-bottom:16px;
  background:rgba(20,82,60,.08);color:var(--brand);
  border:1px solid rgba(20,82,60,.14);
}
.card-icon svg{width:21px;height:21px;}
.prep-card h3{font-size:20px;font-weight:600;margin-bottom:10px;}
.prep-card p{font-size:15.5px;color:var(--muted);margin-bottom:14px;}
.prep-card ul li{
  position:relative;padding-left:18px;font-size:14px;color:var(--text);
  line-height:1.85;
}
.prep-card ul li::before{
  content:"";position:absolute;left:0;top:12px;
  width:6px;height:6px;background:var(--brand-light);border-radius:2px;
}

/* ---------- steps timeline ---------- */
.steps{margin-top:8px;}
.step{
  position:relative;
  display:grid;grid-template-columns:64px minmax(0,1fr);gap:28px;
  padding-bottom:34px;
}
.step::before{
  content:"";position:absolute;left:30px;top:62px;bottom:6px;width:2px;
  background:repeating-linear-gradient(180deg,var(--line) 0 6px,transparent 6px 13px);
}
.step:last-child{padding-bottom:0;}
.step:last-child::before{display:none;}
.step-num{
  width:60px;height:60px;border-radius:50%;
  background:#fff;border:2px solid var(--brand);color:var(--brand-dark);
  display:grid;place-items:center;
  font-family:var(--serif);font-size:21px;font-weight:700;
  box-shadow:0 1px 2px rgba(20,24,26,.05);
}
.step:last-child .step-num{background:var(--brand);border-color:var(--brand);color:#fff;}
.step-card{
  background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius-card);
  padding:24px 26px;box-shadow:var(--shadow-sm);
  transition:box-shadow .25s ease,border-color .25s ease;
}
.step-card:hover{box-shadow:var(--shadow-lg);}
.step-top{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:10px;}
.step-top h3{font-size:20px;font-weight:600;}
.step-card p{font-size:15.5px;color:var(--text);}
.step-card .sub{color:var(--muted);font-size:14.5px;}
.step-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 22px;margin-top:14px;}
.step-points li{position:relative;padding-left:20px;font-size:14.5px;color:var(--muted);}
.step-points li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;
  border-radius:50%;background:rgba(127,209,160,.85);border:1px solid var(--brand-light);
}
.step-note{
  margin-top:16px;padding:12px 14px;border-left:3px solid var(--accent);
  background:var(--accent-soft);border-radius:0 8px 8px 0;
  font-size:14px;color:#8f3c14;
}

/* ---------- notice list ---------- */
.notice-list{max-width:860px;border-top:1px solid var(--line);}
.notice-item{
  display:grid;grid-template-columns:150px minmax(0,1fr);gap:24px;
  padding:20px 4px;border-bottom:1px solid var(--line);
  transition:background .2s ease,padding-left .2s ease;
}
.notice-item:hover{background:#FBFAF6;padding-left:12px;}
.notice-item strong{font-size:15px;color:var(--brand-dark);font-weight:600;}
.notice-item span{font-size:15px;color:var(--muted);}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:52px;align-items:center;}
.split-media{position:relative;border-radius:var(--radius-block);overflow:hidden;box-shadow:var(--shadow-sm);}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .6s ease;}
.split-media:hover img{transform:scale(1.03);}
.split-media .badge-float{
  position:absolute;left:18px;bottom:18px;
  background:rgba(14,42,33,.86);color:#fff;
  border-radius:999px;padding:7px 14px;font-size:12.5px;letter-spacing:.02em;
  backdrop-filter:blur(4px);
}
.platform-list{border-top:1px solid var(--line);}
.platform-item{
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:18px 2px;border-bottom:1px solid var(--line);
}
.platform-item h4{font-size:17px;font-weight:600;margin-bottom:6px;}
.platform-item p{font-size:14.5px;color:var(--muted);margin:0;}
.platform-ver{
  flex:0 0 auto;display:inline-flex;align-items:center;height:28px;padding:0 12px;
  border-radius:999px;background:rgba(20,82,60,.08);color:var(--brand-dark);
  font-size:12.5px;letter-spacing:.02em;
}

/* ---------- stat strip ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  border:1px solid var(--line-soft);border-radius:var(--radius-card);
  background:#fff;box-shadow:var(--shadow-sm);overflow:hidden;
}
.stat-item{padding:26px 24px;border-right:1px solid var(--line-soft);}
.stat-item:last-child{border-right:0;}
.stat-num{
  font-family:var(--serif);font-size:34px;line-height:1.2;color:var(--brand-dark);font-weight:700;
}
.stat-label{font-size:13px;color:var(--muted);margin-top:6px;}
.stat-item p{font-size:14px;color:var(--text);margin-top:10px;}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--deep);color:#D9E4DD;
  padding:64px 0;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:-80px;top:-80px;width:320px;height:320px;
  border:1px solid rgba(127,209,160,.28);border-radius:50%;
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-inner h2{color:#fff;font-size:27px;line-height:1.4;font-weight:700;}
.cta-inner p{margin-top:10px;font-size:15.5px;color:#C4D5CB;max-width:44em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}

/* ---------- footer ---------- */
.site-footer{background:var(--deep);color:#D9E4DD;padding:64px 0 26px;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;
  padding-bottom:36px;border-bottom:1px solid rgba(217,228,221,.16);
}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-brand .logo-mark{background:#14523C;box-shadow:inset 0 0 0 2px rgba(228,102,46,.85);}
.site-footer p{font-size:14.5px;color:#B9C9C0;line-height:1.9;max-width:34em;}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14.5px;color:#D9E4DD;transition:color .18s ease;}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.footer-contact li{font-size:14.5px;color:#B9C9C0;margin-bottom:11px;line-height:1.75;}
.footer-contact strong{display:block;font-size:13px;color:#8FA79A;font-weight:500;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding-top:22px;font-size:13px;color:#93A89C;
}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .container{padding:0 24px;}
  .main-nav{gap:18px;margin-left:0;}
  .section{padding:64px 0;}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:32px;align-items:start;}
  .hero-side{max-width:520px;}
  .split{gap:34px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:26px;}
}
@media (max-width:920px){
  .main-nav{display:none;}
  .hamburger{display:grid;}
  .header-tools .divider-v{display:none;}
  .grid-3{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line-soft);}
  .split{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:640px){
  html{font-size:16px;}
  .container{padding:0 16px;}
  body{font-size:16px;line-height:1.85;}
  .header-inner{height:56px;}
  .brand-text{font-size:15px;}
  .site-header .btn-sm{display:none;}
  .page-hero{padding:calc(56px + 22px) 0 56px;}
  h1.hero-title{font-size:28px;}
  .hero-lead{font-size:16px;}
  .section{padding:48px 0;}
  .section-head h2{font-size:23px;}
  .step{grid-template-columns:48px minmax(0,1fr);gap:16px;}
  .step-num{width:46px;height:46px;font-size:18px;}
  .step::before{left:22px;top:50px;}
  .step-card{padding:20px 18px;}
  .step-points{grid-template-columns:1fr;}
  .notice-item{grid-template-columns:1fr;gap:6px;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-item{border-right:0;border-bottom:1px solid var(--line-soft);}
  .stat-item:last-child{border-bottom:0;}
  .cta-inner h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .split-media img{aspect-ratio:4/3;}
}

/* roulang page: category5 */
:root{
  --green-900:#0C3A2B;
  --green-800:#0E2A21;
  --green-700:#14523C;
  --green-500:#1F7A57;
  --green-300:#7FD1A0;
  --green-tint:#E8F0E9;
  --orange:#E4662E;
  --orange-soft:#F9E7DC;
  --ink:#14181A;
  --text:#3A423E;
  --muted:#6B7671;
  --line:#E6E2D9;
  --line-soft:#E9E5DC;
  --card:#FFFFFF;
  --bg:#F7F5EF;
  --bg-warm:#EFEBE2;
  --bg-hover:#FBFAF6;
  --success:#2E8B57;
  --warn:#D9932A;
  --error:#C0392B;
  --disabled:#C7C3BA;
  --r-btn:8px;
  --r-pill:999px;
  --r-card:14px;
  --r-lg:22px;
  --shadow-sm:0 1px 2px rgba(20,24,26,.05),0 8px 24px rgba(20,24,26,.06);
  --shadow-hover:0 12px 32px rgba(20,24,26,.10);
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --serif:"Source Han Serif SC","Songti SC",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:16.5px;
  line-height:1.9;
  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{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
:focus-visible{outline:2px solid var(--green-700);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-warm{background:var(--bg-warm)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;line-height:1.6;letter-spacing:.08em;
  color:var(--green-700);background:var(--green-tint);
  border-radius:var(--r-pill);padding:5px 14px;font-weight:600;
}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:30px;line-height:1.35;margin:16px 0 14px}
.section-head p{color:var(--muted);font-size:16px;margin:0}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,239,.98);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(247,245,239,.92);
  backdrop-filter:blur(10px);
  border-bottom-color:var(--line);
  box-shadow:0 4px 18px rgba(20,24,26,.05);
}
.header-inner{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--green-900);letter-spacing:.01em;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:9px;
  background:var(--green-700);color:#fff;
  display:grid;place-items:center;font-size:15px;font-weight:700;
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.22);
}
.brand-text{white-space:nowrap}
.header-divider{width:1px;height:26px;background:var(--line);flex:0 0 auto}
.main-nav{display:flex;align-items:center;gap:2px;flex:1 1 auto;min-width:0}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 12px;font-size:14px;line-height:1.5;letter-spacing:.02em;
  color:var(--text);border-radius:6px;white-space:nowrap;
  transition:color .18s ease,background .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:var(--green-700);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.nav-link:hover{color:var(--green-900)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{font-weight:600;color:var(--green-900);padding-left:16px}
.nav-link.is-active::before{
  content:"";position:absolute;left:2px;top:50%;transform:translateY(-50%);
  width:3px;height:15px;border-radius:2px;background:var(--green-700);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto}
.icon-btn{
  width:44px;height:44px;border-radius:var(--r-btn);
  display:grid;place-items:center;color:var(--green-900);
  transition:background .18s ease;
}
.icon-btn:hover{background:var(--green-tint)}
.hamburger{display:none;width:44px;height:44px;border-radius:var(--r-btn);place-items:center;color:var(--green-900)}
.hamburger:hover{background:var(--green-tint)}
.hamburger span{display:block;width:20px;height:2px;background:currentColor;border-radius:2px;margin:3px auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--green-700);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--green-900);transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border:1.5px solid var(--green-700);color:var(--green-700);background:transparent}
.btn-ghost:hover{background:rgba(20,82,60,.08)}
.btn-light{background:#fff;color:var(--green-900)}
.btn-light:hover{background:var(--green-tint);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--green-700);font-weight:600;font-size:15px;
}
.link-arrow svg{transition:transform .2s ease}
.link-arrow:hover svg{transform:translateX(3px)}

/* search panel */
.search-panel{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
  border-top:1px solid transparent;
}
.search-panel.is-open{max-height:260px;border-top-color:var(--line)}
.search-inner{padding:20px 0 24px}
.search-row{display:flex;gap:12px;align-items:center}
.search-row input{
  flex:1 1 auto;height:48px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;font-size:15px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-row input::placeholder{color:var(--muted)}
.search-row input:focus{outline:none;border-color:var(--green-700);box-shadow:0 0 0 3px rgba(20,82,60,.14)}
.search-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:12.5px;line-height:1.6;font-weight:600;
  background:var(--green-tint);color:var(--green-700);
}
.tag-orange{background:var(--orange-soft);color:#A8431A}
.tag-neutral{background:var(--bg-warm);color:var(--muted)}
.search-tags .tag{cursor:pointer;transition:background .18s ease,color .18s ease}
.search-tags .tag:hover{background:var(--green-700);color:#fff}

/* drawer */
.overlay{
  position:fixed;inset:0;background:rgba(14,42,33,.45);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:80;
}
.overlay.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:86%;max-width:360px;
  background:#fff;z-index:90;padding:22px 24px 32px;
  transform:translateX(100%);transition:transform .3s ease;
  overflow-y:auto;box-shadow:-12px 0 40px rgba(20,24,26,.14);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-title{font-size:14px;font-weight:700;color:var(--green-900);letter-spacing:.04em}
.drawer-close{width:40px;height:40px;border-radius:var(--r-btn);display:grid;place-items:center;color:var(--text)}
.drawer-close:hover{background:var(--bg-warm)}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:24px}
.drawer-nav a{
  padding:13px 12px;border-radius:var(--r-btn);font-size:15px;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;
  transition:background .18s ease,color .18s ease;
}
.drawer-nav a:hover{background:var(--bg-hover);color:var(--green-900)}
.drawer-nav a.is-active{background:var(--green-tint);color:var(--green-900);font-weight:600}
.drawer-cta{display:flex;flex-direction:column;gap:12px}
.drawer-cta .btn{width:100%}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:118px 0 84px;
  background:
    radial-gradient(1100px 460px at 88% -10%,rgba(127,209,160,.16),transparent 62%),
    linear-gradient(180deg,#F7F5EF 0%,#F3F1E9 100%);
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;left:-140px;bottom:-180px;width:420px;height:420px;
  border:1px solid rgba(20,82,60,.16);border-radius:50%;
}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:52px;align-items:center;position:relative;z-index:1}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--green-700)}
.crumbs span.sep{color:#C7C3BA}
.crumbs span.current{color:var(--muted)}
.hero h1{
  font-family:var(--serif);
  font-size:clamp(30px,4.2vw,52px);
  line-height:1.25;font-weight:700;letter-spacing:-.01em;
  margin:18px 0 20px;color:var(--ink);
}
.hero-sub{font-size:17px;color:var(--muted);max-width:520px;margin-bottom:30px}
.hero-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-bottom:34px}
.hero-metrics{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:13px;line-height:1.7;color:var(--muted);
}
.hero-metrics span.dot{width:1px;height:14px;background:var(--line);display:inline-block}
.hero-media{position:relative}
.hero-media .frame{
  border-radius:var(--r-lg);overflow:hidden;background:var(--bg-warm);
  box-shadow:var(--shadow-sm);aspect-ratio:16/10;
}
.hero-media .frame img{width:100%;height:100%;object-fit:cover}
.hero-badge{
  position:absolute;left:-18px;bottom:26px;
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-card);
  padding:14px 18px;box-shadow:var(--shadow-sm);min-width:150px;
}
.hero-badge strong{display:block;font-family:var(--serif);font-size:28px;line-height:1.2;color:var(--green-700)}
.hero-badge span{font-size:12.5px;color:var(--muted);letter-spacing:.02em}
.hero-mini{
  position:absolute;right:-14px;top:-18px;width:40%;
  border-radius:var(--r-card);overflow:hidden;background:#fff;
  padding:6px;box-shadow:var(--shadow-sm);border:1px solid var(--line-soft);
}
.hero-mini img{border-radius:10px;aspect-ratio:16/10;object-fit:cover;width:100%}

/* ---------- quick entries ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.entry-card{
  display:block;background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D9D3C6}
.entry-icon{
  width:42px;height:42px;border-radius:11px;background:var(--green-tint);
  color:var(--green-700);display:grid;place-items:center;margin-bottom:16px;
}
.entry-card h3{font-size:17px;margin-bottom:8px}
.entry-card p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0}
.entry-card .more{margin-top:16px;font-size:14px;font-weight:600;color:var(--green-700);display:inline-flex;align-items:center;gap:6px}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.faq-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--shadow-sm);
  transition:box-shadow .25s ease,border-color .25s ease,transform .25s ease;
}
.faq-card[open]{border-color:#D5E3D8}
.faq-card:hover{box-shadow:var(--shadow-hover)}
.faq-card summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:12px;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.65;
}
.faq-card summary::-webkit-details-marker{display:none}
.faq-card summary::before{
  content:"";flex:0 0 auto;width:8px;height:8px;border-radius:50%;
  background:var(--green-700);margin-top:9px;opacity:.28;transition:opacity .2s ease;
}
.faq-card[open] summary::before{opacity:1}
.faq-card summary .chev{
  margin-left:auto;flex:0 0 auto;color:var(--muted);
  transition:transform .25s ease;margin-top:3px;
}
.faq-card[open] summary .chev{transform:rotate(180deg)}
.faq-answer{
  margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:15.5px;line-height:1.9;color:var(--text);
}
.faq-answer ul{margin:10px 0 0}
.faq-answer li{
  position:relative;padding-left:18px;font-size:15px;color:var(--text);line-height:1.9;
}
.faq-answer li::before{
  content:"";position:absolute;left:0;top:12px;width:6px;height:6px;
  background:var(--green-500);border-radius:2px;
}

/* ---------- resources ---------- */
.res-list{border-top:1px solid var(--line);background:#fff;border-radius:var(--r-card);overflow:hidden;border-left:1px solid var(--line-soft);border-right:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);box-shadow:var(--shadow-sm)}
.res-item{
  display:flex;align-items:center;gap:16px;padding:18px 22px;
  border-bottom:1px solid var(--line);
  transition:background .2s ease,padding-left .2s ease;
}
.res-item:last-child{border-bottom:0}
.res-item:hover{background:var(--bg-hover);padding-left:28px}
.res-icon{
  width:40px;height:40px;flex:0 0 auto;border-radius:10px;
  background:var(--green-tint);color:var(--green-700);
  display:grid;place-items:center;
}
.res-body{min-width:0;flex:1 1 auto}
.res-body h3{font-size:16px;line-height:1.55;margin-bottom:2px}
.res-body p{font-size:13.5px;color:var(--muted);line-height:1.7;margin:0}
.res-meta{
  flex:0 0 auto;display:flex;align-items:center;gap:18px;
  font-size:13px;color:var(--muted);
}
.res-meta .res-link{color:var(--green-700);font-weight:600}
.res-meta .res-link:hover{text-decoration:underline}

/* ---------- steps on dark ---------- */
.steps-section{
  position:relative;color:#D9E4DD;
  background:linear-gradient(rgba(14,42,33,.9),rgba(14,42,33,.94)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.steps-section h2{color:#fff}
.steps-section .section-head p{color:#A9C0B4}
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step-card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(127,209,160,.22);
  border-radius:var(--r-card);padding:26px 22px;
  transition:background .25s ease,transform .25s ease;
}
.step-card:hover{background:rgba(255,255,255,.09);transform:translateY(-3px)}
.step-num{
  width:40px;height:40px;border-radius:50%;
  border:1.5px solid var(--green-300);color:var(--green-300);
  display:grid;place-items:center;font-size:14px;font-weight:700;
  margin-bottom:18px;
}
.step-card h3{color:#fff;font-size:17px;margin-bottom:10px}
.step-card p{font-size:14.5px;line-height:1.85;color:#B9CCC2;margin:0}

/* ---------- support ---------- */
.support-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.support-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-card);
  padding:28px 26px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
}
.support-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.support-card .entry-icon{margin-bottom:18px}
.support-card h3{font-size:18px;margin-bottom:12px}
.support-card p{font-size:15px;color:var(--text);line-height:1.85}
.support-card .meta{display:block;margin-top:14px;font-size:13px;color:var(--muted)}
.support-card .mail{color:var(--green-700);font-weight:600;word-break:break-all}
.support-card .mail:hover{text-decoration:underline}

/* ---------- cta ---------- */
.cta-band{
  background:var(--green-tint);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-inner h2{font-size:28px;line-height:1.35;margin-bottom:10px}
.cta-inner p{color:var(--muted);font-size:15.5px;max-width:620px;margin:0}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--green-800);color:#D9E4DD;padding:72px 0 0;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-brand .logo-mark{background:rgba(127,209,160,.18);box-shadow:inset 0 0 0 1.5px rgba(127,209,160,.45);color:#fff}
.site-footer p{color:#A9C0B4;font-size:14px;line-height:1.85;max-width:340px;margin:0}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{color:#D9E4DD;font-size:14px;transition:color .18s ease}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;color:#A9C0B4}
.footer-contact strong{display:block;color:#fff;font-weight:600;font-size:13px;margin-bottom:2px}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(217,228,221,.16);
  padding:22px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA79B;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .hero{padding:96px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-media{order:2}
  .hero-media .frame{aspect-ratio:4/3}
  .hero-mini{display:none}
  .hero-badge{left:16px;bottom:16px}
  .entry-grid{grid-template-columns:repeat(2,1fr)}
  .step-grid{grid-template-columns:repeat(2,1fr)}
  .support-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .main-nav{display:none}
  .hamburger{display:grid}
  .header-divider{display:none}
  .section-head h2{font-size:26px}
}
@media (max-width:768px){
  body{font-size:16px}
  .section{padding:48px 0}
  .hero{padding:84px 0 52px}
  .hero h1{font-size:28px;margin:14px 0 16px}
  .hero-sub{font-size:16px}
  .faq-grid{grid-template-columns:1fr}
  .support-grid{grid-template-columns:1fr}
  .cta-inner h2{font-size:23px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .section-head h2{font-size:23px}
  .res-item{align-items:flex-start;flex-wrap:wrap}
  .res-meta{margin-left:56px;gap:14px}
  .cta-inner{gap:24px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .header-inner{height:56px;gap:12px}
  .brand{font-size:15px}
  .entry-grid{grid-template-columns:1fr}
  .step-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .hero-badge{position:static;margin-top:14px;display:inline-block}
  .hero-metrics{gap:10px}
  .hero-metrics span.dot{display:none}
  .res-meta{margin-left:0}
}