/* roulang page: index */
:root{
  --c-paper:#F7F5F1;
  --c-surface:#FFFFFF;
  --c-ink:#16191A;
  --c-ink-soft:#4A5150;
  --c-muted:#808783;
  --c-line:#E3E0D9;
  --c-brand:#1F4E45;
  --c-brand-strong:#163B34;
  --c-brand-tint:#E9F0ED;
  --c-accent:#C4703C;
  --c-accent-tint:#F6E9DF;
  --ring:0 0 0 4px rgba(31,78,69,.18);
  --r-card:18px;
  --r-lg:24px;
  --r-dock:22px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,25,26,.04);
  --sh-2:0 18px 40px -24px rgba(22,25,26,.30);
  --sh-dock:0 12px 32px -20px rgba(22,25,26,.35);
  --sh-modal:0 30px 80px -30px rgba(22,25,26,.45);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:Inter,ui-sans-serif,system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-paper);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.9;
  letter-spacing:.015em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--c-brand);text-decoration:none}
a:hover{color:var(--c-brand-strong)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:8px}

.container-x{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}
@media (min-width:1400px){.container-x{max-width:1320px}}
@media (max-width:768px){.container-x{padding:0 20px}}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-wrap{
  position:sticky;
  top:20px;
  z-index:1040;
  padding:0 20px;
}
.dock{
  max-width:1120px;
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:22px;
  padding:0 20px;
  border-radius:var(--r-dock);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border:1px solid rgba(22,25,26,.07);
  box-shadow:var(--sh-dock);
  transition:height .28s ease,background .28s ease;
}
.dock.is-scrolled{height:56px;background:rgba(255,255,255,.95)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:22px;height:22px;color:var(--c-brand)}
.brand-name{
  font-size:17px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--c-ink);
}
.nav-list{display:flex;align-items:center;gap:28px;margin-left:14px}
.nav-link-x{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--c-ink-soft);
  padding:4px 0;
  transition:color .2s ease;
}
.nav-link-x::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:2px;
  background:var(--c-brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .26s cubic-bezier(.2,.7,.3,1);
}
.nav-link-x:hover{color:var(--c-brand)}
.nav-link-x:hover::after{transform:scaleX(1)}
.nav-link-x.is-active{color:var(--c-brand);font-weight:600}
.nav-link-x.is-active::after{transform:scaleX(1)}
.dock-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  border-radius:12px;
  padding:0;
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.nav-toggle span{display:block;width:16px;height:1.6px;background:var(--c-ink);border-radius:2px;transition:transform .24s ease,opacity .24s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(5.6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-5.6px) rotate(-45deg)}
.mobile-menu{
  display:none;
  max-width:1120px;
  margin:10px auto 0;
  background:rgba(255,255,255,.97);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border:1px solid rgba(22,25,26,.07);
  border-radius:0 0 24px 24px;
  box-shadow:var(--sh-dock);
  padding:8px 16px 20px;
}
.mobile-menu.is-open{display:block}
.mobile-menu a{
  display:block;
  height:48px;
  line-height:48px;
  font-size:16px;
  color:var(--c-ink-soft);
  border-bottom:1px solid var(--c-line);
}
.mobile-menu a.is-active{color:var(--c-brand);font-weight:600}
.mobile-menu .btn-brand{width:100%;margin-top:16px;justify-content:center}

/* ---------- 按钮 ---------- */
.btn-brand{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border:none;
  border-radius:var(--r-pill);
  background:var(--c-brand);
  color:#fff;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  cursor:pointer;
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease;
  box-shadow:var(--sh-1);
}
.btn-brand:hover{background:var(--c-brand-strong);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-brand:active{transform:translateY(0);background:var(--c-brand-strong)}
.btn-brand.btn-sm-x{height:40px;padding:0 20px;font-size:14px}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border-radius:var(--r-pill);
  background:transparent;
  border:1px solid rgba(31,78,69,.28);
  color:var(--c-brand);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background .22s ease,border-color .22s ease,transform .22s ease;
}
.btn-ghost:hover{background:var(--c-brand-tint);border-color:var(--c-brand);color:var(--c-brand-strong);transform:translateY(-1px)}
.btn-block{width:100%}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-sm{padding:64px 0}
@media (max-width:992px){.section{padding:80px 0}}
@media (max-width:768px){.section{padding:64px 0}.section-sm{padding:48px 0}}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--c-accent);
  text-transform:uppercase;
  margin-bottom:14px;
  font-family:var(--font-num);
}
.h2-x{
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.3;
  font-weight:600;
  position:relative;
  padding-left:14px;
}
.h2-x::before{
  content:"";
  position:absolute;
  left:0;
  top:.28em;
  width:2px;
  height:24px;
  background:var(--c-brand);
  border-radius:2px;
}
.section-head{margin-bottom:48px}
.section-head p{margin-top:14px;color:var(--c-ink-soft);font-size:15px;max-width:640px}
.section-head.with-link{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--c-brand);
  position:relative;
}
.text-link::after{
  content:"";
  position:absolute;
  left:0;bottom:-3px;
  width:0;height:1px;
  background:currentColor;
  transition:width .26s cubic-bezier(.2,.7,.3,1);
}
.text-link:hover{color:var(--c-accent)}
.text-link:hover::after{width:100%}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:140px 0 96px;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  top:-180px;right:-140px;
  width:640px;height:640px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(31,78,69,.06),rgba(31,78,69,0) 70%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:1}
.hero-title{
  font-size:clamp(32px,5.2vw,58px);
  line-height:1.18;
  font-weight:700;
  letter-spacing:.01em;
  margin-bottom:22px;
}
.hero-title em{font-style:normal;color:var(--c-brand)}
.hero-sub{
  font-size:17px;
  line-height:1.9;
  color:var(--c-ink-soft);
  max-width:560px;
  margin-bottom:34px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px}
.trust-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  font-size:13px;
  color:var(--c-muted);
}
.trust-bar span{position:relative;padding-right:14px}
.trust-bar span:not(:last-child)::after{
  content:"";
  position:absolute;
  right:0;top:50%;
  width:1px;height:12px;
  background:var(--c-line);
  transform:translateY(-50%);
}
.hero-media{position:relative}
.hero-media img{
  width:100%;
  aspect-ratio:4/5;
  object-fit:cover;
  border-radius:var(--r-lg);
  background:#EDEAE4;
}
.hero-badge{
  position:absolute;
  left:18px;bottom:18px;
  background:rgba(255,255,255,.94);
  border-radius:12px;
  padding:12px 16px;
  font-size:14px;
  line-height:1.5;
  color:var(--c-ink-soft);
  box-shadow:var(--sh-2);
  max-width:240px;
}
.hero-badge b{color:var(--c-ink);font-weight:600;display:block;font-size:15px}

/* ---------- 痛点提问区 ---------- */
.pain-list{border-top:1px solid var(--c-line)}
.pain-item{
  display:flex;
  gap:18px;
  padding:26px 0;
  border-bottom:1px solid var(--c-line);
}
.pain-num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:15px;
  font-weight:700;
  color:var(--c-accent);
  padding-top:4px;
  flex-shrink:0;
}
.pain-q{font-size:18px;font-weight:600;line-height:1.6;margin-bottom:6px}
.pain-note{font-size:14px;color:var(--c-muted);line-height:1.75}

/* ---------- 方案卡片区 ---------- */
.plan-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:30px;
  height:100%;
  display:flex;
  flex-direction:column;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.plan-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(31,78,69,.28)}
.plan-card.is-wide{flex-direction:row;align-items:center;gap:32px;padding:32px}
.plan-card.is-wide .plan-body{flex:1}
.plan-thumb{
  width:200px;
  flex-shrink:0;
  border-radius:14px;
  overflow:hidden;
  background:#EDEAE4;
}
.plan-thumb img{width:100%;height:150px;object-fit:cover}
.plan-num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:13px;
  font-weight:700;
  color:var(--c-accent);
  letter-spacing:.08em;
  margin-bottom:14px;
}
.plan-icon{
  width:24px;height:24px;
  color:var(--c-brand);
  margin-bottom:16px;
}
.plan-title{font-size:19px;font-weight:600;line-height:1.45;margin-bottom:10px}
.plan-text{font-size:15px;line-height:1.85;color:var(--c-ink-soft);margin-bottom:18px}
.plan-link{margin-top:auto}

/* ---------- 数据区 ---------- */
.stat-band{
  background:var(--c-ink);
  border-radius:28px;
  padding:64px;
  color:#fff;
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.stat-cell{
  padding:0 28px;
  border-left:1px solid rgba(255,255,255,.14);
}
.stat-cell:first-child{border-left:none;padding-left:0}
.stat-num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:clamp(44px,6vw,72px);
  font-weight:700;
  line-height:1;
  letter-spacing:-.02em;
}
.stat-num small{font-size:.42em;font-weight:600;margin-left:4px;letter-spacing:0}
.stat-label{margin-top:14px;font-size:13px;color:rgba(255,255,255,.62);line-height:1.7}
.stat-foot{
  margin-top:48px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:14px;
  color:rgba(255,255,255,.62);
}
@media (max-width:768px){
  .stat-band{padding:40px 24px;border-radius:24px}
  .stat-grid{grid-template-columns:1fr 1fr;gap:32px 0}
  .stat-cell{padding:0 16px;border-left:none;border-top:1px solid rgba(255,255,255,.14);padding-top:24px}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-top:none;padding-top:0}
  .stat-cell:nth-child(odd){padding-left:0}
}

/* ---------- 图文场景区 ---------- */
.scene-row{align-items:center;margin-bottom:80px}
.scene-row:last-child{margin-bottom:0}
.scene-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:20px;
  background:#EDEAE4;
}
.scene-body h3{
  font-size:clamp(20px,2.2vw,26px);
  line-height:1.4;
  margin-bottom:16px;
}
.scene-body>p{font-size:15px;color:var(--c-ink-soft);margin-bottom:22px}
.scene-list li{
  display:flex;
  gap:12px;
  padding:11px 0;
  font-size:15px;
  color:var(--c-ink-soft);
  border-bottom:1px solid var(--c-line);
}
.scene-list li:last-child{border-bottom:none}
.scene-list i{color:var(--c-brand);font-size:14px;padding-top:7px}

/* ---------- 资讯列表 ---------- */
.news-card{
  display:block;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  height:100%;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(31,78,69,.28)}
.news-thumb{background:#EDEAE4;overflow:hidden}
.news-thumb img{width:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-card.is-lead .news-thumb img{aspect-ratio:16/10}
.news-card.is-small{display:flex;gap:20px;align-items:center;padding:14px}
.news-card.is-small .news-thumb{width:150px;flex-shrink:0;border-radius:14px}
.news-card.is-small .news-thumb img{aspect-ratio:4/3;border-radius:14px}
.news-body{padding:22px 24px 24px}
.news-card.is-small .news-body{padding:0;flex:1}
.news-badge{
  display:inline-block;
  font-size:13px;
  line-height:1.6;
  padding:2px 10px;
  border-radius:6px;
  background:var(--c-brand-tint);
  color:var(--c-brand);
  margin-bottom:12px;
}
.news-title{
  font-size:18px;
  font-weight:600;
  line-height:1.5;
  color:var(--c-ink);
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card.is-lead .news-title{font-size:21px}
.news-card.is-small .news-title{font-size:16px;-webkit-line-clamp:2}
.news-sum{
  font-size:14px;
  line-height:1.75;
  color:var(--c-muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:16px;
  padding-top:14px;
  border-top:1px solid var(--c-line);
  font-size:13px;
  color:var(--c-muted);
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
}
.news-card.is-small .news-meta{margin-top:10px;padding-top:10px}
.news-side{display:flex;flex-direction:column;gap:24px;height:100%}
.news-empty{
  min-height:200px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  border:1px dashed var(--c-line);
  border-radius:var(--r-card);
  background:var(--c-surface);
  color:var(--c-muted);
  font-size:14px;
}
.news-empty i{font-size:26px;color:#C9C5BC}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--c-brand-tint);
  border-radius:24px;
  padding:48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(20px,2.4vw,28px);line-height:1.4;margin-bottom:10px}
.cta-band p{font-size:15px;color:var(--c-ink-soft);max-width:560px}
@media (max-width:768px){.cta-band{padding:32px 24px}.cta-band .btn-brand{width:100%}}

/* ---------- FAQ ---------- */
.faq-wrap{border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{
  width:100%;
  background:none;
  border:none;
  padding:24px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  text-align:left;
  cursor:pointer;
  font-size:17px;
  font-weight:600;
  color:var(--c-ink);
  line-height:1.6;
}
.faq-q:hover{color:var(--c-brand)}
.faq-q i{
  flex-shrink:0;
  font-size:14px;
  color:var(--c-brand);
  transition:transform .22s ease;
}
.faq-item.is-open .faq-q i{transform:rotate(45deg)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .22s ease;
}
.faq-a-inner{
  padding:0 0 24px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-ink-soft);
  max-width:820px;
}

/* ---------- 弹层表单 ---------- */
.modal-backdrop.show{opacity:1;background:rgba(22,25,26,.45)}
.lead-modal .modal-content{
  border:none;
  border-radius:24px;
  background:var(--c-surface);
  box-shadow:var(--sh-modal);
  padding:8px;
}
.lead-modal .modal-dialog{max-width:560px}
.lead-modal .modal-header{
  border:none;
  padding:26px 28px 8px;
  align-items:flex-start;
}
.lead-modal .modal-title{font-size:20px;font-weight:600;line-height:1.5}
.lead-modal .modal-title span{display:block;font-size:14px;font-weight:400;color:var(--c-muted);margin-top:8px;line-height:1.7}
.lead-modal .btn-close{
  width:32px;height:32px;
  border-radius:50%;
  background:var(--c-paper) url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2316191A'%3e%3cpath d='M4.646 4.646a.5.5 0 0 1 .708 0L8 7.293l2.646-2.647a.5.5 0 0 1 .708.708L8.707 8l2.647 2.646a.5.5 0 0 1-.708.708L8 8.707l-2.646 2.647a.5.5 0 0 1-.708-.708L7.293 8 4.646 5.354a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e") center/12px no-repeat;
  opacity:1;
  padding:0;
  margin:0;
}
.lead-modal .btn-close:hover{background-color:#EFEBE3}
.lead-modal .modal-body{padding:14px 28px 28px}
.form-label-x{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--c-ink)}
.form-control-x{
  width:100%;
  height:48px;
  padding:0 16px;
  border:1px solid var(--c-line);
  border-radius:var(--r-input);
  background:var(--c-surface);
  font-size:15px;
  color:var(--c-ink);
  font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease;
}
textarea.form-control-x{height:auto;padding:12px 16px;line-height:1.7;resize:vertical}
.form-control-x:focus{outline:none;border-color:var(--c-brand);box-shadow:var(--ring)}
.form-control-x::placeholder{color:#A9AFA9}
.form-row{margin-bottom:18px}
.form-check-x{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--c-ink-soft);line-height:1.7}
.form-check-x input{margin-top:4px;accent-color:var(--c-brand);width:16px;height:16px;flex-shrink:0}
.form-note{font-size:12px;color:var(--c-muted);margin-top:16px;line-height:1.7;text-align:center}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-paper);
  border-top:1px solid var(--c-line);
  padding:72px 0 32px;
  margin-top:96px;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px}
.foot-title{font-size:15px;font-weight:600;margin-bottom:18px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .brand-mark{color:var(--c-brand)}
.foot-brand span{font-size:17px;font-weight:700;letter-spacing:.04em}
.foot-desc{font-size:14px;line-height:1.85;color:var(--c-ink-soft);max-width:300px}
.foot-list li{margin-bottom:10px}
.foot-link{
  font-size:14px;
  color:var(--c-ink-soft);
  position:relative;
  transition:color .2s ease;
}
.foot-link::after{
  content:"";
  position:absolute;
  left:0;bottom:-2px;
  width:0;height:1px;
  background:currentColor;
  transition:width .24s cubic-bezier(.2,.7,.3,1);
}
.foot-link:hover{color:var(--c-brand)}
.foot-link:hover::after{width:100%}
.foot-contact li{font-size:14px;color:var(--c-ink-soft);margin-bottom:10px;display:flex;gap:10px}
.foot-contact i{color:var(--c-brand);padding-top:6px;font-size:13px}
.foot-bottom{
  margin-top:56px;
  padding-top:24px;
  border-top:1px solid var(--c-line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--c-muted);
}
.foot-bottom a{color:var(--c-muted)}
.foot-bottom a:hover{color:var(--c-brand)}
@media (max-width:992px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:576px){
  .foot-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding:56px 0 28px}
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s cubic-bezier(.2,.7,.3,1),transform .5s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.06s}
.reveal[data-d="2"]{transition-delay:.12s}
.reveal[data-d="3"]{transition-delay:.18s}

/* ---------- 响应式 ---------- */
@media (max-width:991.98px){
  .nav-list{display:none}
  .nav-toggle{display:flex}
  .dock-wrap{padding:0 12px}
  .dock{border-radius:16px;height:56px;gap:14px}
  .dock.is-scrolled{height:52px}
  .hero{padding:120px 0 64px}
  .hero-media{margin-top:36px}
  .hero-media img{aspect-ratio:16/9}
  .plan-card.is-wide{flex-direction:column;align-items:flex-start}
  .plan-thumb{width:100%}
  .plan-thumb img{height:180px}
  .scene-row{margin-bottom:56px}
  .scene-media{margin-bottom:24px}
  .news-card.is-small .news-thumb{width:120px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .hero{padding:104px 0 48px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%}
  .hero-media img{aspect-ratio:4/3}
  .news-card.is-small{flex-direction:column;align-items:stretch}
  .news-card.is-small .news-thumb{width:100%}
  .news-card.is-small .news-thumb img{aspect-ratio:16/9}
  .news-card.is-small .news-body{padding:18px 20px 20px}
  .section-head{margin-bottom:32px}
  .cta-band{flex-direction:column;align-items:flex-start}
  .faq-q{font-size:16px;padding:20px 0}
}
@media (max-width:520px){
  .container-x{padding:0 18px}
  .stat-grid{gap:24px 0}
  .stat-num{font-size:40px}
  .scene-list li{font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms!important;animation-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --c-paper:#F7F5F1;
  --c-surface:#FFFFFF;
  --c-ink:#16191A;
  --c-ink-soft:#4A5150;
  --c-muted:#808783;
  --c-line:#E3E0D9;
  --c-brand:#1F4E45;
  --c-brand-strong:#163B34;
  --c-brand-tint:#E9F0ED;
  --c-accent:#C4703C;
  --c-accent-tint:#F6E9DF;
  --ring:0 0 0 4px rgba(31,78,69,.18);
  --r-card:18px;
  --r-lg:24px;
  --r-dock:22px;
  --r-input:12px;
  --r-btn:999px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(22,25,26,.04);
  --sh-2:0 18px 40px -24px rgba(22,25,26,.30);
  --sh-dock:0 12px 32px -20px rgba(22,25,26,.35);
  --sh-3:0 30px 80px -30px rgba(22,25,26,.45);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Inter",ui-sans-serif,system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-paper);
  color:var(--c-ink);
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.9;
  letter-spacing:.015em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s cubic-bezier(.2,.7,.3,1);}
a:hover{color:var(--c-brand);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding-left:1.15em;}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:8px;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
@media (min-width:1400px){.container-x{max-width:1320px;}}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ============ Dock 导航 ============ */
.site-dock-wrap{
  position:sticky;top:20px;z-index:1040;
}
.site-dock{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  height:64px;padding:0 20px;border-radius:var(--r-dock);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border:1px solid rgba(22,25,26,.07);
  box-shadow:var(--sh-dock);
  transition:height .28s cubic-bezier(.2,.7,.3,1),background .28s ease;
}
.site-dock.is-shrink{height:56px;background:rgba(255,255,255,.95);}
.dock-logo{display:flex;align-items:center;gap:10px;color:var(--c-brand);font-weight:700;letter-spacing:.04em;font-size:18px;flex:0 0 auto;}
.brand-mark{width:22px;height:22px;color:var(--c-brand);}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link-x{
  position:relative;font-size:15px;font-weight:500;color:var(--c-ink-soft);
  padding:6px 0;white-space:nowrap;
}
.nav-link-x::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--c-brand);transition:width .26s cubic-bezier(.2,.7,.3,1);
}
.nav-link-x:hover{color:var(--c-brand);}
.nav-link-x:hover::after{width:100%;}
.nav-link-x.is-active{color:var(--c-brand);font-weight:600;}
.nav-link-x.is-active::after{width:100%;}
.dock-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;cursor:pointer;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:transform .2s ease,background .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.btn-x-primary{background:var(--c-brand);color:#fff;height:44px;padding:0 26px;box-shadow:var(--sh-1);}
.btn-x-primary:hover{background:var(--c-brand-strong);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-x-primary:active{transform:translateY(0);}
.btn-x-ghost{background:transparent;color:var(--c-brand);border-color:rgba(31,78,69,.28);height:44px;padding:0 24px;}
.btn-x-ghost:hover{background:var(--c-brand-tint);color:var(--c-brand);transform:translateY(-1px);}
.btn-dock{height:40px;padding:0 22px;font-size:15px;}
.dock-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-brand);align-items:center;justify-content:center;cursor:pointer;
}
.dock-panel{
  display:none;overflow:hidden;margin-top:10px;border-radius:0 0 24px 24px;
  background:rgba(255,255,255,.97);border:1px solid rgba(22,25,26,.07);box-shadow:var(--sh-dock);
  padding:0;max-height:0;transition:max-height .3s ease,padding .3s ease;
}
.dock-panel.is-open{display:block;max-height:420px;padding:14px 18px 20px;}
.dock-panel .nav-link-x{display:block;height:48px;line-height:48px;font-size:16px;border-bottom:1px solid var(--c-line);}
.dock-panel .nav-link-x::after{display:none;}
.dock-panel .btn-x{width:100%;margin-top:16px;}

/* ============ 面包屑 ============ */
.crumb-bar{padding:34px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-muted);}
.crumb a{color:var(--c-muted);}
.crumb a:hover{color:var(--c-brand);text-decoration:underline;text-underline-offset:4px;}
.crumb-sep{color:#C9C5BC;}
.crumb-current{color:var(--c-ink);}

/* ============ 文章标题区 ============ */
.post-head{padding:28px 0 34px;border-bottom:1px solid var(--c-line);}
.post-head-inner{max-width:820px;}
.post-title{
  font-size:clamp(26px,3.2vw,38px);line-height:1.32;font-weight:700;letter-spacing:.01em;
  margin-bottom:20px;
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--c-muted);}
.badge-x{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-badge);
  background:var(--c-brand-tint);color:var(--c-brand);font-size:13px;font-weight:600;
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#CFCBC2;}

/* ============ 正文 ============ */
.post-main{padding:56px 0 12px;}
.post-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start;}
.article-body{max-width:760px;font-size:17px;line-height:1.95;color:var(--c-ink-soft);letter-spacing:.015em;}
.article-body > p{margin-bottom:1.5em;}
.article-body > p:first-of-type{
  border-left:3px solid var(--c-brand);padding-left:16px;margin-left:-19px;color:var(--c-ink);
}
.article-body h2{
  font-size:24px;line-height:1.42;font-weight:600;color:var(--c-ink);
  margin:2.4em 0 .8em;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.42em;width:2px;height:24px;background:var(--c-brand);
}
.article-body h3{font-size:19px;line-height:1.5;font-weight:600;color:var(--c-ink);margin:2em 0 .6em;}
.article-body h4{font-size:17px;font-weight:600;color:var(--c-ink);margin:1.6em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.5em;padding-left:1.25em;}
.article-body li{margin-bottom:.55em;line-height:1.9;}
.article-body li::marker{color:var(--c-brand);}
.article-body a{color:var(--c-brand);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;}
.article-body a:hover{color:var(--c-accent);}
.article-body blockquote{
  margin:1.8em 0;padding:18px 22px;border-left:3px solid var(--c-brand);
  background:var(--c-brand-tint);border-radius:0 14px 14px 0;color:var(--c-ink);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:14px;margin:1.6em 0 8px;}
.article-body figure{margin:1.8em 0;}
.article-body figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:8px;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;}
.article-body th,.article-body td{border-bottom:1px solid var(--c-line);padding:12px 10px;text-align:left;vertical-align:top;}
.article-body th{color:var(--c-ink);font-weight:600;background:#FBF9F6;}
.article-body code{
  font-family:var(--font-num);background:#F1EEE8;padding:2px 6px;border-radius:6px;font-size:14.5px;
}
.article-body hr{border:none;border-top:1px solid var(--c-line);margin:2.4em 0;}
.post-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:44px;padding-top:24px;border-top:1px solid var(--c-line);
}
.tag-x{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:var(--c-surface);font-size:13.5px;color:var(--c-ink-soft);
}
.tag-x:hover{border-color:rgba(31,78,69,.35);color:var(--c-brand);background:var(--c-brand-tint);}
.back-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:26px;font-size:15px;font-weight:600;color:var(--c-brand);
}
.back-link:hover{color:var(--c-accent);}
.empty-state{
  max-width:760px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:56px 32px;text-align:center;box-shadow:var(--sh-1);
}
.empty-state i{font-size:30px;color:#C9C5BC;margin-bottom:16px;display:block;}
.empty-state p{font-size:15px;color:var(--c-muted);margin-bottom:20px;}

/* ============ 侧栏 ============ */
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);margin-bottom:24px;
}
.side-title{font-size:16px;font-weight:600;color:var(--c-ink);margin-bottom:16px;}
.side-list{list-style:none;padding:0;margin:0;}
.side-list li{padding:11px 0;border-bottom:1px solid var(--c-line);font-size:14.5px;}
.side-list li:last-child{border-bottom:none;padding-bottom:0;}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--c-ink-soft);}
.side-list a:hover{color:var(--c-brand);}
.side-list i{font-size:12px;color:#C9C5BC;}
.side-list a:hover i{color:var(--c-brand);}
.side-note{font-size:14px;line-height:1.85;color:var(--c-muted);margin-bottom:18px;}
.side-card .btn-x{width:100%;}

/* ============ 相关推荐 ============ */
.related{padding:72px 0 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap;}
.sec-title{font-size:clamp(22px,2.6vw,30px);font-weight:600;line-height:1.3;position:relative;padding-left:16px;}
.sec-title::before{content:"";position:absolute;left:0;top:.42em;width:2px;height:24px;background:var(--c-brand);}
.sec-head-note{font-size:14px;color:var(--c-muted);}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;}
.rel-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform .26s cubic-bezier(.2,.7,.3,1),box-shadow .26s ease,border-color .26s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(31,78,69,.28);}
.rel-thumb{
  aspect-ratio:16/9;background:#EFECE6;overflow:hidden;
}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1);}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.rel-body h3{font-size:17.5px;font-weight:600;line-height:1.5;color:var(--c-ink);}
.rel-body p{font-size:14px;line-height:1.75;color:var(--c-muted);}
.rel-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-muted);}
.rel-link{color:var(--c-brand);font-weight:600;font-size:14.5px;}
.rel-card:hover .rel-link{color:var(--c-accent);}

/* ============ CTA 带 ============ */
.cta-band{padding:80px 0 96px;}
.cta-inner{
  background:var(--c-brand-tint);border-radius:var(--r-lg);padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:600;line-height:1.32;color:var(--c-ink);margin-bottom:10px;}
.cta-inner p{font-size:15px;color:var(--c-ink-soft);max-width:600px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-paper);border-top:1px solid var(--c-line);padding:72px 0 28px;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.foot-brand{display:flex;align-items:center;gap:10px;color:var(--c-brand);font-size:18px;font-weight:700;letter-spacing:.04em;margin-bottom:16px;}
.foot-desc{font-size:14px;line-height:1.85;color:var(--c-ink-soft);max-width:340px;}
.foot-title{font-size:15px;font-weight:600;color:var(--c-ink);margin-bottom:16px;}
.foot-list,.foot-contact{list-style:none;padding:0;margin:0;}
.foot-list li{margin-bottom:11px;}
.foot-link{font-size:14px;color:var(--c-ink-soft);position:relative;}
.foot-link::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--c-brand);transition:width .24s ease;}
.foot-link:hover{color:var(--c-brand);}
.foot-link:hover::after{width:100%;}
.foot-contact li{display:flex;gap:10px;font-size:14px;color:var(--c-ink-soft);margin-bottom:11px;line-height:1.7;}
.foot-contact i{color:var(--c-brand);margin-top:5px;font-size:13px;}
.foot-bottom{
  border-top:1px solid var(--c-line);padding-top:22px;display:flex;justify-content:space-between;gap:16px;
  font-size:13px;color:var(--c-muted);flex-wrap:wrap;
}

/* ============ 弹层与表单 ============ */
.modal-backdrop.show{opacity:.45;background:var(--c-ink);}
.modal-x{max-width:560px;}
.modal-x .modal-content{border:none;border-radius:var(--r-lg);box-shadow:var(--sh-3);overflow:hidden;}
.modal-x .modal-header{border-bottom:1px solid var(--c-line);padding:24px 26px 18px;}
.modal-x .modal-title{font-size:20px;font-weight:600;color:var(--c-ink);}
.modal-x .btn-close{
  width:32px;height:32px;border-radius:50%;background-color:#F1EEE8;opacity:1;
  background-size:11px;transition:background-color .2s ease;
}
.modal-x .btn-close:hover{background-color:#E6E2DA;}
.modal-x .modal-body{padding:24px 26px 28px;}
.form-x .form-label{font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:7px;}
.form-x .form-control{
  height:48px;border-radius:var(--r-input);border:1px solid var(--c-line);background:var(--c-surface);
  font-size:15px;color:var(--c-ink);padding:0 14px;transition:border-color .2s ease,box-shadow .2s ease;
}
.form-x textarea.form-control{height:auto;min-height:120px;padding:12px 14px;line-height:1.75;}
.form-x .form-control:focus{border-color:var(--c-brand);box-shadow:var(--ring);}
.form-x .form-check-input{border-color:var(--c-line);margin-top:.32em;}
.form-x .form-check-input:checked{background-color:var(--c-brand);border-color:var(--c-brand);}
.form-x .form-check-input:focus{box-shadow:var(--ring);border-color:var(--c-brand);}
.form-x .form-check-label{font-size:13.5px;color:var(--c-ink-soft);line-height:1.7;}
.form-tip{font-size:12.5px;color:var(--c-muted);line-height:1.7;margin-top:14px;}
.form-note{font-size:13px;color:var(--c-brand);margin-top:14px;display:none;}
.form-note.is-show{display:block;}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .3s cubic-bezier(.2,.7,.3,1),transform .3s cubic-bezier(.2,.7,.3,1);}
.reveal.is-in{opacity:1;transform:translateY(0);}
.reveal.d1{transition-delay:.06s;}
.reveal.d2{transition-delay:.12s;}
.reveal.d3{transition-delay:.18s;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .post-layout{grid-template-columns:minmax(0,1fr) 270px;gap:40px;}
  .rel-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
}
@media (max-width:991px){
  .nav-list,.btn-dock{display:none;}
  .dock-toggle{display:inline-flex;}
  .site-dock-wrap{top:12px;}
  .site-dock{padding:0 14px;border-radius:16px;height:56px;}
  .post-layout{grid-template-columns:minmax(0,1fr);gap:44px;}
  .side-card{margin-bottom:20px;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px;}
  .cta-inner{padding:38px 30px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container-x{padding:0 20px;}
  .post-head{padding:22px 0 28px;}
  .post-main{padding:40px 0 8px;}
  .article-body{font-size:16px;line-height:1.9;}
  .article-body > p:first-of-type{margin-left:0;padding-left:14px;}
  .article-body h2{font-size:21px;}
  .rel-grid{grid-template-columns:minmax(0,1fr);}
  .foot-grid{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:56px 0 72px;}
  .cta-inner{padding:32px 24px;flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn-x{flex:1 1 auto;}
  .related{padding:56px 0 0;}
  .site-footer{padding:56px 0 24px;}
}
@media (max-width:519px){
  .post-title{font-size:24px;}
  .empty-state{padding:40px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --c-paper:#F7F5F1;
  --c-surface:#FFFFFF;
  --c-ink:#16191A;
  --c-ink-soft:#4A5150;
  --c-muted:#808783;
  --c-line:#E3E0D9;
  --c-brand:#1F4E45;
  --c-brand-strong:#163B34;
  --c-brand-tint:#E9F0ED;
  --c-accent:#C4703C;
  --c-accent-tint:#F6E9DF;
  --ring:0 0 0 4px rgba(31,78,69,.18);
  --r-card:18px;
  --r-lg:24px;
  --r-dock:22px;
  --r-input:12px;
  --r-badge:6px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,25,26,.04);
  --sh-hover:0 18px 40px -24px rgba(22,25,26,.30);
  --sh-dock:0 12px 32px -20px rgba(22,25,26,.35);
  --sh-pop:0 30px 80px -30px rgba(22,25,26,.45);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:130px;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--c-paper);color:var(--c-ink);
  font-family:var(--font-cn);font-size:17px;line-height:1.9;letter-spacing:.015em;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;border:0;background:none;cursor:pointer}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:8px}
::selection{background:var(--c-brand-tint);color:var(--c-brand-strong)}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container-x{padding:0 32px}}
@media (min-width:1400px){.container-x{max-width:1320px}}

/* ---------- Dock 导航 ---------- */
.site-header{position:sticky;top:20px;z-index:80;padding:0 20px}
.dock{
  position:relative;max-width:1120px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:24px;padding:0 20px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border:1px solid rgba(22,25,26,.07);border-radius:var(--r-dock);
  box-shadow:var(--sh-dock);
  transition:height .28s cubic-bezier(.2,.7,.3,1),background .28s ease;
}
.dock.is-shrink{height:56px;background:rgba(255,255,255,.95)}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;letter-spacing:.04em;color:var(--c-ink);flex:0 0 auto}
.brand .brand-mark{color:var(--c-brand);width:20px;height:20px}
.nav-list{display:flex;align-items:center;gap:28px;margin:0 auto}
.nav-link-x{position:relative;font-size:15px;font-weight:500;color:var(--c-ink-soft);padding:6px 0;transition:color .22s ease}
.nav-link-x::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--c-brand);border-radius:2px;transition:width .26s cubic-bezier(.2,.7,.3,1)}
.nav-link-x:hover{color:var(--c-brand)}
.nav-link-x:hover::after{width:100%}
.nav-link-x.is-active{color:var(--c-brand);font-weight:600}
.nav-link-x.is-active::after{width:100%}
.dock-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.dock-burger{display:none;width:40px;height:40px;border-radius:12px;align-items:center;justify-content:center;color:var(--c-ink);background:var(--c-brand-tint);font-size:16px}
.nav-cta-mobile{display:none}

.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-primary-x{background:var(--c-brand);color:#fff}
.btn-primary-x:hover{background:var(--c-brand-strong);color:#fff;transform:translateY(-1px)}
.btn-primary-x:active{transform:translateY(0)}
.btn-ghost-x{background:transparent;border-color:var(--c-line);color:var(--c-ink)}
.btn-ghost-x:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-1px)}
.btn-sm-x{height:40px;padding:0 18px;font-size:14px}
.btn-lg-x{height:50px;padding:0 28px;font-size:16px}
.btn-block-x{width:100%}

@media (max-width:991.98px){
  .site-header{top:12px;padding:0 12px}
  .dock{height:56px;border-radius:16px;padding:0 16px;gap:12px}
  .brand{font-size:16px}
  .nav-list{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;margin:0;
    background:rgba(255,255,255,.97);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border:1px solid rgba(22,25,26,.07);border-radius:16px 16px 24px 24px;
    box-shadow:var(--sh-pop);padding:6px 10px 14px;
    display:none;
  }
  .dock.is-open .nav-list{display:flex}
  .nav-link-x{padding:14px 10px;font-size:16px;border-bottom:1px solid var(--c-line)}
  .nav-link-x::after{display:none}
  .nav-cta-mobile{display:inline-flex;margin-top:14px;width:100%}
  .dock-burger{display:inline-flex}
  .dock-cta-desktop{display:none}
}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-muted);padding:34px 0 18px}
.crumbs a{color:var(--c-muted)}
.crumbs a:hover{color:var(--c-brand)}
.crumbs .sep{color:var(--c-line)}
.crumbs .cur{color:var(--c-ink)}

/* ---------- 分类 Hero ---------- */
.cat-hero{position:relative;padding:8px 0 64px;overflow:hidden}
.cat-hero::before{
  content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,78,69,.06),rgba(31,78,69,0) 68%);pointer-events:none;
}
.cat-hero .hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media (min-width:992px){.cat-hero .hero-grid{grid-template-columns:7fr 5fr;gap:48px}}
.hero-tagline{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--c-brand);background:var(--c-brand-tint);border-radius:var(--r-badge);padding:6px 12px;margin-bottom:20px}
.cat-hero h1{font-size:clamp(30px,4.6vw,50px);font-weight:700;line-height:1.18;letter-spacing:.01em;margin-bottom:20px}
.cat-hero h1 em{font-style:normal;color:var(--c-brand)}
.hero-lead{font-size:17px;color:var(--c-ink-soft);max-width:36em;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.trust-row{display:flex;flex-wrap:wrap;align-items:center;gap:0;font-size:13px;color:var(--c-muted)}
.trust-row span{padding:0 14px;border-left:1px solid var(--c-line)}
.trust-row span:first-child{border-left:0;padding-left:0}
.hero-media{border-radius:var(--r-lg);overflow:hidden;background:#EDEAE4;box-shadow:var(--sh-1)}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover}

/* ---------- 主体布局 ---------- */
.cat-main{padding-bottom:20px}
.layout-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:start}
@media (min-width:992px){.layout-grid{grid-template-columns:3fr 9fr;gap:48px}}

.toc-side{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
}
@media (min-width:992px){.toc-side{position:sticky;top:118px}}
.toc-title{font-size:13px;letter-spacing:.14em;color:var(--c-muted);font-weight:600;margin-bottom:14px;text-transform:uppercase}
.toc-list li+li{margin-top:4px}
.toc-link{display:block;font-size:15px;color:var(--c-ink-soft);padding:8px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0;transition:color .2s ease,border-color .2s ease,background .2s ease}
.toc-link:hover{color:var(--c-brand);background:var(--c-brand-tint)}
.toc-link.is-current{color:var(--c-brand);border-left-color:var(--c-brand);background:var(--c-brand-tint);font-weight:600}

.content-col{min-width:0}
.block{padding:8px 0 52px}
.block + .block{border-top:1px solid var(--c-line);padding-top:52px}
.sec-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:22px}
.sec-head .bar{flex:0 0 auto;width:2px;height:24px;background:var(--c-brand);border-radius:2px;margin-top:9px}
.sec-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:14px;font-weight:700;color:var(--c-accent);letter-spacing:.06em;margin-bottom:6px;display:block}
h2{font-size:clamp(22px,2.6vw,30px);font-weight:600;line-height:1.3;letter-spacing:.01em}
h3{font-size:18px;font-weight:600;line-height:1.45}
.block p{color:var(--c-ink-soft);margin-bottom:18px;max-width:62em}
.block p:last-child{margin-bottom:0}

.feature-list li{
  position:relative;padding:16px 0 16px 30px;border-bottom:1px solid var(--c-line);
  color:var(--c-ink-soft);font-size:16px;
}
.feature-list li:last-child{border-bottom:0}
.feature-list li strong{display:block;color:var(--c-ink);font-weight:600;font-size:17px;margin-bottom:4px}
.feature-list li::before{
  content:"";position:absolute;left:6px;top:26px;width:7px;height:7px;border-radius:50%;
  background:var(--c-brand);box-shadow:0 0 0 4px var(--c-brand-tint);
}

.figure-block{margin:28px 0}
.figure-block img{border-radius:var(--r-card);width:100%;object-fit:cover;background:#EDEAE4}
.figure-block figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:12px}

.steps{counter-reset:step;display:grid;gap:0;margin-top:8px}
.step{display:grid;grid-template-columns:56px 1fr;gap:20px;padding:22px 0;border-top:1px solid var(--c-line)}
.step:first-child{border-top:0}
.step-idx{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:22px;font-weight:700;color:var(--c-accent);line-height:1.4}
.step h3{margin-bottom:6px}
.step p{font-size:15px;color:var(--c-muted);margin:0}
@media (max-width:575.98px){.step{grid-template-columns:44px 1fr;gap:12px}}

.card-grid{display:grid;grid-template-columns:1fr;gap:24px;margin-top:6px}
@media (min-width:768px){.card-grid{grid-template-columns:1fr 1fr}}
.card-x{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .28s cubic-bezier(.2,.7,.3,1),box-shadow .28s ease,border-color .28s ease;
}
.card-x:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(31,78,69,.28)}
.card-x .card-ico{width:40px;height:40px;border-radius:12px;background:var(--c-brand-tint);color:var(--c-brand);display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:18px}
.card-x h3{margin-bottom:10px}
.card-x p{font-size:15px;color:var(--c-ink-soft);margin:0}

.quote-x{
  border-left:3px solid var(--c-brand);background:var(--c-brand-tint);
  border-radius:0 var(--r-card) var(--r-card) 0;padding:22px 26px;margin:26px 0 0;
  color:var(--c-brand-strong);font-size:16px;
}

.deliver-list{display:grid;grid-template-columns:1fr;gap:14px;margin-top:10px}
@media (min-width:768px){.deliver-list{grid-template-columns:1fr 1fr}}
.deliver-list li{
  display:flex;align-items:flex-start;gap:12px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:12px;
  padding:16px 18px;font-size:15px;color:var(--c-ink-soft);
}
.deliver-list li i{color:var(--c-brand);margin-top:4px}

/* ---------- 数据区 ---------- */
.stats-band{
  background:var(--c-brand-strong);color:#fff;border-radius:28px;
  padding:48px 28px;margin:12px 0 64px;
}
@media (min-width:768px){.stats-band{padding:64px}}
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px 0}
@media (min-width:992px){.stats-grid{grid-template-columns:repeat(4,1fr)}}
.stat{padding:0 8px;border-left:1px solid rgba(255,255,255,.14)}
.stat:first-child{border-left:0}
.stat .num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:clamp(36px,5vw,58px);font-weight:700;line-height:1.05}
.stat .num small{font-size:.45em;font-weight:600;margin-left:4px}
.stat .desc{font-size:13px;color:rgba(255,255,255,.62);margin-top:10px;letter-spacing:.02em}
.stats-note{margin-top:36px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);font-size:14px;color:rgba(255,255,255,.62)}
@media (max-width:767.98px){
  .stat{border-left:0;border-top:1px solid rgba(255,255,255,.14);padding-top:22px}
  .stat:nth-child(1),.stat:nth-child(2){border-top:0;padding-top:0}
}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--c-brand-tint);border-radius:var(--r-lg);padding:40px 28px;
  display:grid;gap:24px;align-items:center;margin-bottom:72px;
}
@media (min-width:992px){.cta-band{grid-template-columns:1fr auto;padding:48px}}
.cta-band h2{margin-bottom:10px}
.cta-band p{color:var(--c-ink-soft);font-size:16px;margin:0;max-width:44em}

/* ---------- FAQ ---------- */
.faq-x{border-top:1px solid var(--c-line);margin-top:8px}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;color:var(--c-ink);
}
.faq-q h3{font-size:17px;font-weight:600;margin:0;transition:color .2s ease}
.faq-q:hover h3{color:var(--c-brand)}
.faq-ico{flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--c-brand-tint);color:var(--c-brand);display:flex;align-items:center;justify-content:center;font-size:13px;transition:transform .22s ease,background .22s ease}
.faq-item.is-open .faq-ico{transform:rotate(180deg);background:var(--c-accent-tint);color:var(--c-accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a p{font-size:15px;line-height:1.85;color:var(--c-ink-soft);padding:0 44px 24px 0;margin:0}

/* ---------- 表单 ---------- */
.form-label-x{display:block;font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:8px}
.form-control-x{
  width:100%;height:48px;padding:0 14px;font-size:15px;font-family:inherit;color:var(--c-ink);
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-input);
  transition:border-color .2s ease,box-shadow .2s ease;
}
textarea.form-control-x{height:auto;padding:12px 14px;line-height:1.7;resize:vertical}
.form-control-x::placeholder{color:#A9AEA9}
.form-control-x:focus{outline:none;border-color:var(--c-brand);box-shadow:var(--ring)}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--c-muted);line-height:1.7}
.check-row input{margin-top:5px;accent-color:var(--c-brand);width:16px;height:16px}
.check-row a{color:var(--c-brand);text-decoration:underline;text-underline-offset:3px}

/* ---------- 弹层 ---------- */
.modal-backdrop.show{opacity:.45;background:var(--c-ink)}
.modal-content{
  border:0;border-radius:var(--r-lg);box-shadow:var(--sh-pop);
  background:var(--c-paper);overflow:hidden;
}
.modal-dialog{max-width:560px}
.modal-header-x{position:relative;padding:28px 28px 6px;border:0}
.modal-header-x h2{font-size:22px}
.modal-header-x p{font-size:14px;color:var(--c-muted);margin-top:8px}
.modal-close-x{
  position:absolute;right:20px;top:20px;width:32px;height:32px;border-radius:50%;
  background:var(--c-brand-tint);color:var(--c-brand);display:flex;align-items:center;justify-content:center;
  transition:background .2s ease,color .2s ease;
}
.modal-close-x:hover{background:var(--c-accent-tint);color:var(--c-accent)}
.modal-body-x{padding:20px 28px 28px}
.modal-foot-note{font-size:12px;color:var(--c-muted);margin-top:14px;text-align:center}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--c-line);background:var(--c-paper);padding:64px 0 32px;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:768px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (min-width:992px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;letter-spacing:.04em;color:var(--c-ink);margin-bottom:16px}
.foot-brand .brand-mark{color:var(--c-brand)}
.foot-desc{font-size:14px;color:var(--c-ink-soft);line-height:1.85;max-width:30em}
.foot-title{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--c-ink)}
.foot-list li+li{margin-top:10px}
.foot-link{position:relative;font-size:14px;color:var(--c-ink-soft);transition:color .2s ease}
.foot-link::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--c-brand);transition:width .24s ease}
.foot-link:hover{color:var(--c-brand)}
.foot-link:hover::after{width:100%}
.foot-contact li{display:flex;gap:10px;font-size:14px;color:var(--c-ink-soft);margin-bottom:12px;line-height:1.7}
.foot-contact i{color:var(--c-brand);margin-top:5px}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  margin-top:48px;padding-top:22px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-muted);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .3s cubic-bezier(.2,.7,.3,1),transform .3s cubic-bezier(.2,.7,.3,1)}
.reveal.is-in{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --c-paper:#F7F5F1;
  --c-surface:#FFFFFF;
  --c-ink:#16191A;
  --c-ink-soft:#4A5150;
  --c-muted:#808783;
  --c-line:#E3E0D9;
  --c-brand:#1F4E45;
  --c-brand-strong:#163B34;
  --c-brand-tint:#E9F0ED;
  --c-accent:#C4703C;
  --c-accent-tint:#F6E9DF;
  --ring:0 0 0 4px rgba(31,78,69,.18);
  --sh-rest:0 1px 2px rgba(22,25,26,.04);
  --sh-hover:0 18px 40px -24px rgba(22,25,26,.30);
  --sh-dock:0 12px 32px -20px rgba(22,25,26,.35);
  --sh-pop:0 30px 80px -30px rgba(22,25,26,.45);
  --r-card:18px;
  --r-lg:24px;
  --r-dock:22px;
  --r-input:12px;
  --r-badge:6px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:Inter,ui-sans-serif,system-ui,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-paper);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.9;
  letter-spacing:.015em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.3;letter-spacing:.01em}
p{margin:0}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:8px}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (min-width:1400px){.container-x{max-width:1320px}}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-wrap{position:sticky;top:20px;z-index:1035;padding:0 20px}
.dock{
  position:relative;
  max-width:1120px;
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:20px;
  padding:0 20px;
  border-radius:var(--r-dock);
  background:rgba(255,255,255,.86);
  border:1px solid rgba(22,25,26,.07);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  box-shadow:var(--sh-dock);
  transition:height .28s cubic-bezier(.2,.7,.3,1),background .28s ease;
}
.dock.is-scrolled{height:56px;background:rgba(255,255,255,.95)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.04em;font-size:17px;color:var(--c-ink);white-space:nowrap}
.brand-mark{width:22px;height:22px;color:var(--c-brand);flex:0 0 auto}
.nav-list{display:flex;align-items:center;justify-content:center;gap:28px;flex:1}
.nav-link-x{position:relative;font-size:15px;font-weight:500;color:var(--c-ink-soft);padding:6px 0;transition:color .2s ease}
.nav-link-x::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--c-brand);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .26s cubic-bezier(.2,.7,.3,1)}
.nav-link-x:hover{color:var(--c-brand)}
.nav-link-x:hover::after{transform:scaleX(1)}
.nav-link-x.is-active{color:var(--c-brand);font-weight:600}
.nav-link-x.is-active::after{transform:scaleX(1)}
.dock-actions{display:flex;align-items:center;gap:12px}
.dock-burger{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-ink);align-items:center;justify-content:center;
  transition:border-color .2s ease,color .2s ease;
}
.dock-burger:hover{border-color:var(--c-brand);color:var(--c-brand)}
.dock-panel{
  display:none;
  position:absolute;left:0;right:0;top:calc(100% + 10px);
  max-width:1120px;margin:0 auto;padding:12px;
  background:rgba(255,255,255,.98);
  border:1px solid rgba(22,25,26,.07);
  border-radius:24px;
  box-shadow:var(--sh-pop);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
}
.dock-panel.is-open{display:block}
.panel-link{display:block;padding:0 16px;line-height:48px;font-size:16px;color:var(--c-ink-soft);border-radius:14px;transition:background .2s ease,color .2s ease}
.panel-link:hover{background:var(--c-brand-tint);color:var(--c-brand)}
.panel-link.is-active{background:var(--c-brand-tint);color:var(--c-brand);font-weight:600}
.panel-cta{margin-top:12px}
.panel-cta .btn-brand{width:100%;height:46px}

/* ---------- 按钮 ---------- */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 22px;border-radius:999px;
  background:var(--c-brand);border:1px solid var(--c-brand);color:#fff;
  font-size:15px;font-weight:600;letter-spacing:.02em;cursor:pointer;
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn-brand:hover{background:var(--c-brand-strong);border-color:var(--c-brand-strong);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover)}
.btn-brand:active{transform:translateY(0);box-shadow:var(--sh-rest)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 22px;border-radius:999px;
  background:var(--c-surface);border:1px solid var(--c-line);color:var(--c-ink);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:border-color .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-ghost:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-1px);box-shadow:var(--sh-hover)}
.btn-lg-x{height:48px;padding:0 28px;font-size:16px}
.link-more{position:relative;display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-brand);transition:color .22s ease}
.link-more::after{content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:currentColor;transition:width .28s cubic-bezier(.2,.7,.3,1)}
.link-more:hover{color:var(--c-accent)}
.link-more:hover::after{width:100%}

/* ---------- Hero ---------- */
.page-hero{padding:52px 0 76px;position:relative;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;top:-180px;right:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,78,69,.07),rgba(31,78,69,0) 68%);pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .95fr;gap:56px;align-items:center}
.crumbs{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--c-muted);margin-bottom:20px}
.crumbs a{transition:color .2s ease}
.crumbs a:hover{color:var(--c-brand)}
.crumbs span.sep{color:var(--c-line)}
.page-title{font-size:clamp(30px,4.2vw,46px);font-weight:700;line-height:1.18;letter-spacing:.01em}
.hero-lead{margin-top:22px;font-size:17px;line-height:1.9;color:var(--c-ink-soft);max-width:54ch}
.hero-cta{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px}
.hero-tags{margin-top:30px;display:flex;flex-wrap:wrap;font-size:13px;color:var(--c-muted);line-height:1.6}
.hero-tags li{padding:0 14px;border-left:1px solid var(--c-line)}
.hero-tags li:first-child{padding-left:0;border-left:0}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-rest)}
.hero-media img{width:100%;aspect-ratio:5/4;object-fit:cover;background:#EDEAE3}
.hero-note{
  position:absolute;left:16px;bottom:16px;max-width:82%;
  background:rgba(255,255,255,.94);border-radius:12px;padding:12px 16px;
  font-size:14px;line-height:1.65;color:var(--c-ink-soft);box-shadow:var(--sh-rest);
}
.hero-note strong{color:var(--c-brand);font-weight:600}

/* ---------- 板块 ---------- */
.sec{padding:88px 0}
.sec-tight{padding:56px 0}
.sec-head{max-width:760px;margin-bottom:44px}
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;letter-spacing:.16em;color:var(--c-brand)}
.sec-title{font-size:clamp(22px,2.6vw,32px);position:relative;padding-left:18px;margin-top:14px}
.sec-title::before{content:"";position:absolute;left:0;top:.32em;width:2px;height:24px;background:var(--c-brand);border-radius:2px}
.sec-sub{margin-top:16px;font-size:16px;color:var(--c-ink-soft);line-height:1.85}

/* ---------- 服务卡网格 ---------- */
.g-28{--bs-gutter-x:28px;--bs-gutter-y:28px}
.svc-card{
  height:100%;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:30px;transition:transform .3s cubic-bezier(.2,.7,.3,1),box-shadow .3s ease,border-color .3s ease;
}
.svc-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(31,78,69,.28)}
.svc-no{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:14px;font-weight:700;letter-spacing:.08em;color:var(--c-accent)}
.svc-card h3{margin-top:12px;font-size:19px}
.svc-card p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--c-ink-soft)}
.svc-tags{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}
.tag-x{
  display:inline-block;font-size:13px;line-height:1.6;padding:3px 10px;border-radius:var(--r-badge);
  background:var(--c-brand-tint);color:var(--c-brand);
}
.tag-x.is-accent{background:var(--c-accent-tint);color:var(--c-accent)}

/* ---------- 深色数据带 ---------- */
.stat-band{background:var(--c-ink);color:#fff;border-radius:28px;padding:64px 56px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-item{padding:0 28px;border-left:1px solid rgba(255,255,255,.14)}
.stat-item:first-child{border-left:0;padding-left:0}
.stat-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:clamp(40px,5vw,68px);font-weight:700;line-height:1}
.stat-num small{font-size:.34em;font-weight:600;margin-left:6px;letter-spacing:.04em;color:rgba(255,255,255,.72)}
.stat-label{margin-top:14px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.62)}
.stat-foot{margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);font-size:14px;color:rgba(255,255,255,.62)}

/* ---------- 图文交替 ---------- */
.zig{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:44px 0}
.zig + .zig{border-top:1px solid var(--c-line)}
.zig.media-left .zig-copy{order:2}
.zig.media-left .zig-media{order:1}
.zig-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;background:#EDEAE3}
.zig-copy h3{font-size:clamp(20px,2.2vw,26px)}
.zig-copy .zkicker{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--c-accent);margin-bottom:12px;display:block}
.zig-copy p{margin-top:14px;font-size:16px;line-height:1.9;color:var(--c-ink-soft)}
.chk-list{margin-top:22px;display:grid;gap:12px}
.chk-list li{position:relative;padding-left:26px;font-size:15px;line-height:1.8;color:var(--c-ink-soft)}
.chk-list li::before{content:"";position:absolute;left:0;top:.85em;width:14px;height:2px;border-radius:2px;background:var(--c-accent)}

/* ---------- 环境卡 ---------- */
.env-card{height:100%;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px;transition:transform .3s cubic-bezier(.2,.7,.3,1),box-shadow .3s ease,border-color .3s ease}
.env-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(31,78,69,.28)}
.env-ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--c-brand-tint);color:var(--c-brand);font-size:18px}
.env-card h3{margin-top:18px;font-size:18px}
.env-card p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--c-ink-soft)}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:none;border:0;padding:24px 0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.5;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--c-brand)}
.faq-ico{position:relative;flex:0 0 auto;width:24px;height:24px}
.faq-ico::before,.faq-ico::after{content:"";position:absolute;background:var(--c-brand);border-radius:2px;transition:transform .24s ease,opacity .24s ease}
.faq-ico::before{left:3px;right:3px;top:11px;height:2px}
.faq-ico::after{top:3px;bottom:3px;left:11px;width:2px}
.faq-item.open .faq-ico::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-item.open .faq-a{max-height:460px}
.faq-a p{padding:0 0 24px;font-size:15px;line-height:1.85;color:var(--c-ink-soft);max-width:72ch}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--c-brand-tint);border-radius:var(--r-lg);padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px)}
.cta-band p{margin-top:14px;font-size:16px;line-height:1.85;color:var(--c-ink-soft);max-width:52ch}

/* ---------- 弹层与表单 ---------- */
.modal-backdrop{--bs-backdrop-bg:#16191A;--bs-backdrop-opacity:.45}
#leadModal .modal-dialog{max-width:560px}
#leadModal .modal-content{border:0;border-radius:var(--r-lg);background:var(--c-surface);box-shadow:var(--sh-pop)}
#leadModal .modal-header{border:0;padding:28px 28px 6px;align-items:flex-start}
#leadModal .modal-title{font-size:21px;font-weight:600}
#leadModal .modal-sub{margin-top:8px;font-size:14px;color:var(--c-muted);line-height:1.7}
#leadModal .modal-body{padding:16px 28px 28px}
.close-x{width:32px;height:32px;border-radius:50%;border:0;background:var(--c-brand-tint);color:var(--c-brand);display:grid;place-items:center;font-size:14px;cursor:pointer;transition:background .2s ease,color .2s ease}
.close-x:hover{background:var(--c-brand);color:#fff}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--c-ink)}
.field .form-control{
  width:100%;height:48px;border-radius:var(--r-input);border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-ink);font-size:15px;padding:0 14px;box-shadow:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea.form-control{height:auto;padding:12px 14px;line-height:1.7;resize:vertical}
.field .form-control::placeholder{color:#A9AFAB}
.field .form-control:focus{border-color:var(--c-brand);box-shadow:var(--ring);background:var(--c-surface)}
.form-check-x{display:flex;align-items:flex-start;gap:10px;margin-top:4px}
.form-check-x input{width:18px;height:18px;margin-top:4px;flex:0 0 auto;border:1px solid var(--c-line);border-radius:5px;accent-color:var(--c-brand)}
.form-check-x input:focus-visible{box-shadow:var(--ring)}
.form-check-x label{font-size:14px;color:var(--c-ink-soft);line-height:1.7}
.priv-note{margin-top:12px;font-size:13px;line-height:1.7;color:var(--c-muted)}
.priv-note a{color:var(--c-brand);text-decoration:underline}
.btn-submit{
  width:100%;height:48px;border-radius:999px;border:1px solid var(--c-brand);
  background:var(--c-brand);color:#fff;font-size:16px;font-weight:600;cursor:pointer;
  transition:background .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-submit:hover{background:var(--c-brand-strong);border-color:var(--c-brand-strong);transform:translateY(-1px);box-shadow:var(--sh-hover)}
.modal-foot-note{margin-top:14px;font-size:12px;line-height:1.7;color:var(--c-muted)}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:96px;padding:72px 0 28px;border-top:1px solid var(--c-line);background:var(--c-paper)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;letter-spacing:.04em;color:var(--c-ink)}
.foot-desc{margin-top:16px;font-size:14px;line-height:1.85;color:var(--c-ink-soft);max-width:38ch}
.foot-title{font-size:15px;font-weight:600;margin-bottom:18px;color:var(--c-ink)}
.foot-list li + li{margin-top:10px}
.foot-link{position:relative;font-size:14px;color:var(--c-ink-soft);transition:color .2s ease}
.foot-link::after{content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:currentColor;transition:width .26s cubic-bezier(.2,.7,.3,1)}
.foot-link:hover{color:var(--c-brand)}
.foot-link:hover::after{width:100%}
.foot-contact li{display:flex;gap:10px;font-size:14px;line-height:1.75;color:var(--c-ink-soft);margin-bottom:12px}
.foot-contact i{color:var(--c-brand);margin-top:6px;flex:0 0 auto}
.foot-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:48px;padding-top:20px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-muted);
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .55s cubic-bezier(.2,.7,.3,1),transform .55s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:translateY(0)}

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

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .container-x{padding:0 28px}
  .hero-grid{gap:40px}
}
@media (max-width:991.98px){
  .dock-wrap{top:12px;padding:0 12px}
  .dock{height:56px;border-radius:16px;padding:0 16px;gap:12px}
  .nav-list{display:none}
  .dock-burger{display:inline-flex}
  .dock-actions .btn-brand{display:none}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media img{aspect-ratio:16/10}
  .sec{padding:72px 0}
  .stat-band{padding:48px 36px}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:32px 0}
  .stat-item{border-left:0;padding:0}
  .stat-item:nth-child(even){padding-left:24px;border-left:1px solid rgba(255,255,255,.14)}
  .zig{grid-template-columns:1fr;gap:28px;padding:36px 0}
  .zig.media-left .zig-copy{order:0}
  .zig.media-left .zig-media{order:0}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:38px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .container-x{padding:0 20px}
  .page-hero{padding:36px 0 56px}
  .sec{padding:60px 0}
  .sec-head{margin-bottom:32px}
  .svc-card{padding:24px}
  .stat-band{padding:40px 24px;border-radius:22px}
  .stat-grid{grid-template-columns:1fr;gap:26px}
  .stat-item:nth-child(even){padding-left:0;border-left:0}
  .stat-item{padding-top:22px;border-top:1px solid rgba(255,255,255,.14)}
  .stat-item:first-child{padding-top:0;border-top:0}
  .hero-tags{flex-direction:column;gap:8px}
  .hero-tags li{padding:0;border-left:0}
  .cta-band{padding:28px}
  .faq-q{font-size:16px;padding:20px 0}
  .site-footer{margin-top:72px;padding-top:56px}
  .foot-grid{grid-template-columns:1fr;gap:32px}
  .foot-bottom{flex-direction:column;gap:8px}
  .btn-lg-x{width:100%}
  .hero-cta .btn-brand,.hero-cta .btn-ghost{width:100%}
}
@media (max-width:520px){
  .page-title{font-size:28px}
  .sec-title{font-size:22px}
  .stat-num{font-size:40px}
  .zig-media img{border-radius:16px}
  .hero-media img{aspect-ratio:4/3}
}