/* roulang page: index */
:root{
  --c-brand:#0F3D33;
  --c-brand-2:#17604F;
  --c-deep:#0A241F;
  --c-accent:#FF6B2C;
  --c-accent-soft:#FFF0E8;
  --c-accent-ink:#C4440D;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-line:#E5E0D6;
  --c-line-2:#D8D2C4;
  --c-ink:#14211D;
  --c-ink-2:#55645E;
  --c-muted:#9AA8A2;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,40,34,.06), 0 10px 28px -16px rgba(16,40,34,.20);
  --sh-2:0 2px 4px rgba(16,40,34,.08), 0 18px 40px -18px rgba(16,40,34,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-brand-2)}
h1,h2,h3,h4{margin:0;letter-spacing:0;color:var(--c-ink);font-weight:700}
p{margin:0 0 18px}
ul,ol{margin:0;padding:0;list-style:none}
button,input,textarea,select{font-family:inherit;font-size:inherit}
.shell{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-alt{background:var(--c-surface)}
.section-tight{padding:72px 0}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}

/* ============ 导航 Dock ============ */
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1160px,calc(100% - 40px));height:64px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
  display:flex;align-items:center;gap:16px;padding:0 20px;
  z-index:1030;transition:height .24s ease,box-shadow .24s ease,border-radius .24s ease;
}
.dock.is-scrolled{height:56px;box-shadow:var(--sh-2)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-brand)}
.brand:hover{color:var(--c-brand)}
.brand svg{width:30px;height:30px;flex:none}
.brand-text{font-size:16px;font-weight:800;line-height:1.2;white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:4px;margin:0 auto}
.dock-nav a{
  position:relative;font-size:15px;color:var(--c-ink-2);
  padding:9px 14px;border-radius:var(--r-pill);transition:color .2s ease;
}
.dock-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  background:var(--c-accent);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.dock-nav a:hover{color:var(--c-brand)}
.dock-nav a:hover::after{transform:scaleX(1)}
.dock-nav a.active{color:var(--c-brand);font-weight:600}
.dock-nav a.active::before{
  content:"";position:absolute;left:50%;top:calc(100% + 2px);transform:translateX(-50%);
  width:16px;height:3px;border-radius:3px;background:var(--c-accent);
}
.dock-right{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--c-line);
  background:transparent;color:var(--c-ink-2);display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.icon-btn:hover{border-color:var(--c-brand);color:var(--c-brand);background:#F3F6F4}
.btn-dock{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--c-brand);color:#F7F5F0;font-size:15px;font-weight:600;
  border:1.5px solid var(--c-brand);
  transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease;
}
.btn-dock:hover{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-deep);transform:translateY(-1px)}
.dock-toggle{
  display:none;width:40px;height:40px;border-radius:50%;
  border:1px solid var(--c-line);background:transparent;color:var(--c-brand);
  align-items:center;justify-content:center;
}
.dock-panel{
  position:fixed;top:84px;left:50%;transform:translateX(-50%);
  width:calc(100% - 32px);max-width:440px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-2);padding:8px;display:none;z-index:1029;
}
.dock-panel.show{display:block}
.dock-panel a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 16px;border-radius:var(--r-sm);
  font-size:15px;color:var(--c-ink);border-bottom:1px solid var(--c-line);
}
.dock-panel a:last-child{border-bottom:none}
.dock-panel a.active{color:var(--c-brand);font-weight:600;background:#F3F6F4}
@media (max-width:991px){
  .dock-nav a{padding:9px 10px;font-size:14px}
}
@media (max-width:767px){
  .dock{width:calc(100% - 32px);height:60px;padding:0 12px 0 16px;top:12px}
  .dock.is-scrolled{height:56px}
  .dock-nav{display:none}
  .dock-right{display:none}
  .dock-toggle{display:inline-flex}
  .dock-panel{top:80px}
}

/* ============ 按钮 / 标签 ============ */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  background:var(--c-brand);color:#F7F5F0;font-size:16px;font-weight:600;
  border:1.5px solid var(--c-brand);cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-main:hover{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-deep);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  background:transparent;color:var(--c-brand);font-size:16px;font-weight:600;
  border:1.5px solid var(--c-brand);cursor:pointer;
  transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:#EDF3F1;border-color:var(--c-brand-2);color:var(--c-brand-2);transform:translateY(-2px)}
.btn-ghost.on-dark{border-color:rgba(255,255,255,.55);color:#F7F5F0}
.btn-ghost.on-dark:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.btn-sm{height:42px;padding:0 20px;font-size:15px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;position:relative;
  font-size:15px;font-weight:600;color:var(--c-brand);padding-bottom:2px;
}
.link-arrow svg{transition:transform .2s ease}
.link-arrow:hover svg{transform:translateX(3px)}
.link-arrow::after{
  content:"";position:absolute;left:0;right:14px;bottom:0;height:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.link-arrow:hover::after{transform:scaleX(1)}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.04em;font-weight:600;
  background:var(--c-accent-soft);color:var(--c-accent-ink);
}
.chip-outline{background:transparent;border:1px solid var(--c-brand);color:var(--c-brand)}

/* ============ 区块标题 ============ */
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:40px;flex-wrap:wrap;
}
.sec-head h2{
  position:relative;font-size:30px;line-height:1.32;font-weight:700;padding-left:16px;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:20px;border-radius:2px;background:var(--c-accent);
}
.sec-sub{margin:10px 0 0;font-size:14px;line-height:1.7;color:var(--c-ink-2)}
.sec-head .sec-sub{margin-top:10px}

/* ============ Hero ============ */
.hero{
  position:relative;min-height:560px;display:flex;align-items:center;
  padding:150px 0 72px;overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;transform:scale(1.03);
}
.hero-mask{position:absolute;inset:0;background:rgba(10,36,31,.78)}
.hero .shell{position:relative;z-index:2;width:100%}
.hero-inner{max-width:640px}
.hero h1{
  font-size:44px;line-height:1.22;font-weight:800;color:#FFFFFF;margin:20px 0 0;
}
.hero-sub{
  margin:16px 0 30px;font-size:18px;line-height:1.7;color:rgba(255,255,255,.82);max-width:520px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:44px;margin-top:56px;flex-wrap:wrap}
.hero-stat{position:relative;padding-left:20px}
.hero-stat::before{
  content:"";position:absolute;left:0;top:10px;width:12px;height:2px;background:var(--c-accent);
}
.hs-num{
  display:block;font-size:26px;font-weight:800;line-height:1.25;color:#fff;
  font-variant-numeric:tabular-nums;
}
.hs-label{font-size:13px;color:rgba(255,255,255,.72)}
.hero .chip{background:rgba(255,240,232,.14);color:#FFD9C4;border:1px solid rgba(255,107,44,.45)}

/* ============ 服务区（不对称） ============ */
.feature-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  min-height:420px;height:100%;border:1px solid var(--c-line);
  display:flex;align-items:flex-end;background:var(--c-deep);
}
.feature-card img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
}
.feature-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,36,31,.10) 28%,rgba(10,36,31,.90) 100%);
}
.feature-body{position:relative;z-index:2;padding:30px 28px;color:#fff}
.feature-body h3{font-size:22px;font-weight:700;color:#fff;margin-bottom:10px}
.feature-body p{font-size:15px;line-height:1.75;color:rgba(255,255,255,.82);margin-bottom:16px;max-width:420px}
.feature-body .link-arrow{color:#fff}
.feature-body .link-arrow::after{background:var(--c-accent)}
.num-list{border-top:1px solid var(--c-line);height:100%;display:flex;flex-direction:column;justify-content:center}
.num-item{
  display:flex;gap:20px;padding:24px 20px;border-bottom:1px solid var(--c-line);
  transition:background .2s ease,transform .2s ease;color:var(--c-ink);
}
.num-item:hover{background:#FBF9F5;transform:translateX(4px);color:var(--c-ink)}
.num-item .num{
  flex:none;font-size:22px;font-weight:800;color:var(--c-accent);
  font-variant-numeric:tabular-nums;line-height:1.3;
}
.num-item h3{font-size:17px;font-weight:600;margin-bottom:6px}
.num-item p{font-size:14px;line-height:1.7;color:var(--c-ink-2);margin:0}

/* ============ 数据带 ============ */
.stat-band{background:var(--c-deep);color:#fff;padding:64px 0}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-cell{padding:4px 26px;border-left:1px solid rgba(255,255,255,.14)}
.stat-cell:first-child{border-left:none;padding-left:0}
.stat-cell b{
  display:block;font-size:48px;font-weight:800;line-height:1.1;color:#fff;
  font-variant-numeric:tabular-nums;
}
.stat-cell b em{font-style:normal;font-size:22px;margin-left:2px;color:var(--c-accent)}
.stat-cell span{display:block;margin-top:8px;font-size:15px;font-weight:600;color:rgba(255,255,255,.86)}
.stat-cell small{display:block;margin-top:4px;font-size:13px;color:rgba(255,255,255,.55);line-height:1.6}

/* ============ 案例区 ============ */
.case-row{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  margin-bottom:72px;
}
.case-row:last-child{margin-bottom:0}
.case-row.reverse .case-media{order:2}
.case-media{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);
  aspect-ratio:4/3;background:rgba(15,61,51,.08);
}
.case-media img{width:100%;height:100%;object-fit:cover}
.case-body .chip{margin-bottom:14px}
.case-body h3{font-size:24px;line-height:1.4;font-weight:700;margin-bottom:12px}
.case-body p{font-size:15px;line-height:1.8;color:var(--c-ink-2);margin-bottom:18px}

/* ============ 方案区 ============ */
.plan-card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:30px 26px;box-shadow:var(--sh-1);height:100%;
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.plan-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--c-accent);
  transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--c-line-2)}
.plan-card:hover::before{transform:scaleX(1)}
.plan-icon{
  width:46px;height:46px;border-radius:14px;background:#EDF3F1;color:var(--c-brand);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.plan-card h3{font-size:19px;font-weight:600;margin-bottom:10px}
.plan-card p{font-size:14px;line-height:1.8;color:var(--c-ink-2);margin-bottom:20px}
.plan-card .link-arrow{margin-top:auto}

/* ============ 资讯列表 ============ */
.news-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);height:100%;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--c-line-2)}
.news-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:rgba(15,61,51,.08)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body .chip{align-self:flex-start}
.news-title{
  font-size:17px;line-height:1.5;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-title a{color:var(--c-ink)}
.news-title a:hover{color:var(--c-brand)}
.news-excerpt{
  font-size:14px;line-height:1.75;color:var(--c-ink-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--c-muted);
}
.empty-state{
  border:1px dashed var(--c-line);border-radius:var(--r-md);background:var(--c-surface);
  padding:56px 24px;text-align:center;color:var(--c-ink-2);
}
.empty-state svg{width:36px;height:36px;color:var(--c-muted);margin-bottom:14px}
.empty-state p{margin:0 0 18px;font-size:15px}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--c-accent);opacity:0;transition:opacity .2s ease;
}
.faq-item:has(.accordion-button:not(.collapsed))::before{opacity:1}
.faq-item .accordion-button{
  width:100%;text-align:left;background:transparent;border:none;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--c-ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  box-shadow:none!important;border-radius:0;
}
.faq-item .accordion-button:hover{color:var(--c-brand)}
.faq-item .accordion-button::after{
  content:"";flex:none;width:10px;height:10px;border-right:2px solid var(--c-muted);
  border-bottom:2px solid var(--c-muted);transform:rotate(45deg);transition:transform .24s ease;
  margin:0;
}
.faq-item .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--c-accent)}
.faq-item .accordion-button:not(.collapsed){background:#FBF9F5}
.faq-answer{padding:0 24px 20px;font-size:15px;line-height:1.85;color:var(--c-ink-2);display:none}
.faq-answer.show{display:block}

/* ============ 联系转化区 ============ */
.contact{background:var(--c-deep);color:#fff;padding:88px 0}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.contact h2{font-size:30px;line-height:1.35;font-weight:700;color:#fff;margin-bottom:16px}
.contact .lead{font-size:15px;line-height:1.85;color:rgba(255,255,255,.76);margin-bottom:26px}
.point-list li{
  position:relative;padding-left:20px;margin-bottom:12px;
  font-size:15px;color:rgba(255,255,255,.82);line-height:1.75;
}
.point-list li::before{
  content:"";position:absolute;left:0;top:11px;width:10px;height:2px;background:var(--c-accent);
}
.contact-info{margin-top:28px;display:grid;gap:12px}
.contact-info div{font-size:14px;color:rgba(255,255,255,.7)}
.contact-info strong{color:#fff;font-weight:600;margin-right:8px}
.contact-card{
  background:var(--c-surface);border-radius:var(--r-lg);padding:32px;
  box-shadow:var(--sh-2);color:var(--c-ink);
}
.contact-card h3{font-size:19px;font-weight:600;margin-bottom:6px}
.contact-card .hint{font-size:13px;color:var(--c-ink-2);margin-bottom:22px}
.field-row{margin-bottom:16px}
.field-row label{display:block;font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:8px}
.field{
  width:100%;height:48px;border:1px solid var(--c-line);border-radius:var(--r-sm);
  padding:0 14px;font-size:15px;color:var(--c-ink);background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
textarea.field{height:auto;min-height:112px;padding:12px 14px;line-height:1.75;resize:vertical}
.field::placeholder{color:var(--c-muted)}
.field:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(15,61,51,.12)}
.contact-card .btn-main{width:100%}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-deep);color:rgba(255,255,255,.72);padding:72px 0 0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:0}
.foot-col{padding:0 28px;border-left:1px solid rgba(255,255,255,.12)}
.foot-col:first-child{border-left:none;padding-left:0}
.foot-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:#fff}
.foot-brand svg{width:28px;height:28px;flex:none}
.foot-brand span{font-size:17px;font-weight:800}
.foot-desc{font-size:14px;line-height:1.75;color:rgba(255,255,255,.68);margin-bottom:20px}
.social{display:flex;gap:10px}
.social a{
  width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.22);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.78);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.social a:hover{border-color:var(--c-accent);color:var(--c-accent);background:rgba(255,107,44,.08)}
.foot-links li{margin-bottom:12px}
.foot-links a{font-size:14px;color:rgba(255,255,255,.72)}
.foot-links a:hover{color:var(--c-accent);text-decoration:underline}
.foot-contact li{font-size:14px;line-height:1.8;margin-bottom:12px;color:rgba(255,255,255,.72)}
.foot-contact strong{color:#fff;font-weight:600;display:block;font-size:13px;color:rgba(255,255,255,.55)}
.foot-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.foot-bottom a{color:rgba(255,255,255,.55)}
.foot-bottom a:hover{color:var(--c-accent)}
.back-top{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 18px;
  border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.22);background:transparent;
  color:rgba(255,255,255,.78);font-size:13px;cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.back-top:hover{border-color:var(--c-accent);color:var(--c-accent);background:rgba(255,107,44,.08)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero h1{font-size:40px}
}
@media (max-width:991px){
  .section{padding:72px 0}
  .hero{min-height:520px;padding:132px 0 64px}
  .hero h1{font-size:34px}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:32px 0}
  .stat-cell{padding:0 24px}
  .stat-cell:nth-child(3){border-left:none;padding-left:0}
  .stat-cell b{font-size:40px}
  .case-row{gap:32px;margin-bottom:56px}
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:40px 0}
  .foot-col{padding:0 24px}
  .foot-col:nth-child(3){border-left:none;padding-left:0}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .sec-head{margin-bottom:28px;align-items:flex-start}
  .sec-head h2{font-size:24px}
  .hero{min-height:420px;padding:112px 0 52px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px;margin:14px 0 24px}
  .hero-stats{gap:28px;margin-top:36px}
  .hs-num{font-size:22px}
  .case-row{grid-template-columns:1fr;gap:24px;margin-bottom:48px}
  .case-row.reverse .case-media{order:0}
  .case-body h3{font-size:20px}
  .contact{padding:64px 0}
  .contact h2{font-size:24px}
  .contact-card{padding:24px}
  .foot-grid{grid-template-columns:1fr;gap:36px}
  .foot-col{border-left:none;padding-left:0}
  .foot-bottom{margin-top:40px}
}
@media (max-width:575px){
  .shell{padding:0 16px}
  .hero h1{font-size:26px;line-height:1.28}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-cell{padding:0 16px}
  .stat-cell b{font-size:32px}
  .brand-text{font-size:15px}
}
@media (hover:none){
  .plan-card:hover,.news-card:hover,.num-item:hover,.btn-main:hover,.btn-ghost:hover,.btn-dock:hover{transform:none}
  .news-card:hover .news-thumb img{transform:none}
}

/* roulang page: article */
:root{
  --c-brand:#0F3D33;
  --c-brand-2:#17604F;
  --c-deep:#0A241F;
  --c-accent:#FF6B2C;
  --c-accent-soft:#FFF0E8;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-line:#E5E0D6;
  --c-ink:#14211D;
  --c-ink-2:#55645E;
  --c-muted:#9AA8A2;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,40,34,.06), 0 10px 28px -16px rgba(16,40,34,.20);
  --sh-2:0 2px 4px rgba(16,40,34,.08), 0 18px 40px -18px rgba(16,40,34,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-brand);text-decoration:none}
a:hover{color:var(--c-brand-2)}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
.shell{width:min(1240px,calc(100% - 48px));margin:0 auto}
.narrow{width:min(1120px,calc(100% - 48px));margin:0 auto}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}

/* ---------- Dock 导航 ---------- */
.dock{
  position:fixed;
  top:16px;
  left:50%;
  transform:translateX(-50%);
  z-index:1000;
  width:min(1160px,calc(100% - 40px));
  height:64px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:0 20px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
  transition:height .24s ease,box-shadow .24s ease;
}
.dock.is-scrolled{height:56px;box-shadow:var(--sh-2)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--c-brand);white-space:nowrap}
.brand svg{width:32px;height:32px;flex:none}
.brand-text{letter-spacing:0}
.dock-nav{display:flex;align-items:center;gap:26px;margin-left:12px}
.dock-nav a{
  position:relative;
  font-size:15px;
  color:var(--c-ink-2);
  padding:6px 0;
  transition:color .2s ease;
}
.dock-nav a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--c-accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease;
}
.dock-nav a:hover{color:var(--c-brand)}
.dock-nav a:hover::after{transform:scaleX(1)}
.dock-nav a.active{color:var(--c-brand);font-weight:600}
.dock-nav a.active::before{
  content:"";
  position:absolute;
  left:50%;bottom:-12px;
  width:5px;height:5px;
  margin-left:-2.5px;
  border-radius:50%;
  background:var(--c-accent);
}
.dock-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);
  border-radius:50%;
  color:var(--c-ink-2);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.icon-btn:hover{color:var(--c-brand);border-color:var(--c-brand);background:#FBF9F5}
.btn-dock{
  display:inline-flex;align-items:center;
  height:40px;padding:0 20px;
  border-radius:var(--r-pill);
  background:var(--c-brand);
  color:#F7F5F0;
  font-size:14px;font-weight:600;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.btn-dock:hover{background:var(--c-accent);color:var(--c-deep);transform:translateY(-2px)}
.dock-toggle{
  display:none;
  margin-left:auto;
  width:40px;height:40px;
  align-items:center;justify-content:center;
  border:1px solid var(--c-line);
  border-radius:var(--r-sm);
  background:var(--c-surface);
  color:var(--c-brand);
}

/* ---------- 页面 Hero ---------- */
.page-hero{
  position:relative;
  margin-top:96px;
  min-height:290px;
  display:flex;
  align-items:flex-end;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-radius:0 0 var(--r-lg) var(--r-lg);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:rgba(10,36,31,.82);
}
.hero-inner{position:relative;z-index:2;padding:56px 0 42px}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;
  color:#FFD9C4;
  text-transform:uppercase;
}
.kicker::before{content:"";width:22px;height:2px;background:var(--c-accent);display:inline-block}
.hero-line{
  margin-top:14px;
  max-width:640px;
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.82);
}

/* ---------- 面包屑 ---------- */
.crumb{position:relative;padding:26px 0 10px;background:var(--c-bg)}
.crumb::before{
  content:"";
  position:absolute;left:0;top:0;
  width:96px;height:6px;
  background:var(--c-accent);
  border-radius:0 6px 6px 0;
}
.crumb-inner{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-2)}
.crumb-inner a{color:var(--c-ink-2)}
.crumb-inner a:hover{color:var(--c-brand);text-decoration:underline}
.crumb-inner span{color:var(--c-muted)}
.crumb-current{color:var(--c-ink);max-width:70%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章标题区 ---------- */
.article-head{padding:28px 0 34px;max-width:860px}
.article-head h1{
  font-size:36px;
  line-height:1.34;
  font-weight:700;
  letter-spacing:0;
  color:var(--c-ink);
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:20px;font-size:14px;color:var(--c-ink-2)}
.badge{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--c-accent-soft);
  color:#B4441A;
  font-size:12px;
  letter-spacing:.04em;
}
.sep{width:1px;height:14px;background:var(--c-line);display:inline-block}
.meta-row time,.meta-row .views{font-variant-numeric:tabular-nums}

/* ---------- 正文双栏 ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,780px) 300px;
  gap:48px;
  align-items:start;
  padding-bottom:56px;
}
.article-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:40px 44px 44px;
}
.article-body{font-size:17px;line-height:1.9;color:var(--c-ink)}
.article-body>p{margin-bottom:20px}
.article-body>p:first-of-type{font-size:18px;line-height:1.95;color:#0F2019}
.article-body h2{
  position:relative;
  font-size:24px;
  line-height:1.45;
  font-weight:700;
  margin:44px 0 14px;
  padding-left:16px;
}
.article-body h2::before{
  content:"";
  position:absolute;left:0;top:6px;
  width:4px;height:22px;
  border-radius:2px;
  background:var(--c-accent);
}
.article-body h3{font-size:19px;font-weight:600;margin:32px 0 12px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:2px}
.article-body li{position:relative;padding-left:20px;margin-bottom:10px}
.article-body li::before{
  content:"";
  position:absolute;left:0;top:12px;
  width:7px;height:7px;
  border-radius:2px;
  background:var(--c-accent);
}
.article-body ol{counter-reset:ol}
.article-body ol li{counter-increment:ol}
.article-body ol li::before{
  content:counter(ol);
  width:auto;height:auto;
  background:none;
  color:var(--c-accent);
  font-weight:700;
  font-size:14px;
  top:1px;
  left:0;
}
.article-body blockquote{
  margin:26px 0;
  padding:18px 24px;
  border-left:3px solid var(--c-accent);
  background:#FBF7F2;
  border-radius:0 14px 14px 0;
  color:var(--c-ink-2);
}
.article-body img{border-radius:14px;margin:24px auto;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{
  margin-top:10px;
  text-align:center;
  font-size:13px;
  color:var(--c-ink-2);
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  font-size:15px;
  border:1px solid var(--c-line);
  border-radius:var(--r-sm);
  overflow:hidden;
}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:12px 14px;text-align:left}
.article-body thead th{background:#F3F1EA;font-weight:600}
.article-body tbody tr:nth-child(even){background:#FBFAF6}
.article-body a{color:var(--c-brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--c-accent)}

.empty-state{
  text-align:center;
  padding:56px 24px;
  border:1px dashed var(--c-line);
  border-radius:var(--r-md);
  background:#FBF9F5;
}
.empty-state svg{width:38px;height:38px;margin:0 auto 14px;color:var(--c-muted)}
.empty-state h3{font-size:19px;font-weight:600;margin-bottom:8px}
.empty-state p{font-size:14px;color:var(--c-ink-2);margin-bottom:20px}

/* ---------- 侧栏 ---------- */
.side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  padding:22px 22px 20px;
}
.side-title{
  position:relative;
  font-size:16px;
  font-weight:600;
  padding-left:14px;
  margin-bottom:14px;
}
.side-title::before{
  content:"";
  position:absolute;left:0;top:5px;
  width:4px;height:16px;
  border-radius:2px;
  background:var(--c-accent);
}
.side-list li{padding:11px 0;border-bottom:1px solid var(--c-line)}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list a{
  display:block;
  font-size:14px;
  line-height:1.7;
  color:var(--c-ink);
  transition:color .2s ease,transform .2s ease;
}
.side-list a:hover{color:var(--c-brand);transform:translateX(3px)}
.side-list .side-date{display:block;margin-top:4px;font-size:12px;color:var(--c-muted)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{
  display:inline-flex;align-items:center;
  height:30px;padding:0 14px;
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  font-size:13px;
  color:var(--c-ink-2);
  transition:all .2s ease;
}
.tag-cloud a:hover{border-color:var(--c-brand);color:var(--c-brand);background:#EDF3F1}
.tag-cloud a.is-current{border-color:var(--c-accent);color:#B4441A;background:var(--c-accent-soft)}
.side-back{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;
  color:var(--c-brand);
}
.side-back:hover{gap:12px;color:var(--c-accent)}
.side-back svg{transition:transform .2s ease}

/* ---------- 上一篇 / 下一篇 ---------- */
.pager{
  display:grid;
  grid-template-columns:1fr 1fr;
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
  margin-bottom:64px;
}
.pager a{
  display:block;
  padding:26px 28px;
  transition:background .2s ease;
}
.pager a:hover{background:#FBF9F5}
.pager a+a{border-left:1px solid var(--c-line);text-align:right}
.pager .pager-label{font-size:12px;letter-spacing:.06em;color:var(--c-muted)}
.pager .pager-title{margin-top:8px;font-size:16px;font-weight:600;color:var(--c-brand)}

/* ---------- 相关推荐 ---------- */
.related{padding:8px 0 72px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:26px}
.section-head h2{position:relative;font-size:30px;line-height:1.35;font-weight:700;padding-left:18px}
.section-head h2::before{
  content:"";
  position:absolute;left:0;top:7px;
  width:4px;height:26px;
  border-radius:2px;
  background:var(--c-accent);
}
.section-head p{margin-top:10px;font-size:14px;color:var(--c-ink-2)}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--c-brand);
  white-space:nowrap;
}
.text-link svg{transition:transform .2s ease}
.text-link:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:4px}
.text-link:hover svg{transform:translateX(3px)}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8D2C4}
.rel-thumb{aspect-ratio:16/9;background:rgba(15,61,51,.08);overflow:hidden}
.rel-thumb img{width:100%;height:100%;object-fit:cover}
.rel-body{padding:20px 22px 22px}
.rel-body h3{font-size:17px;line-height:1.6;font-weight:600;color:var(--c-ink);transition:color .2s ease}
.rel-card:hover .rel-body h3{color:var(--c-brand)}
.rel-body p{margin-top:8px;font-size:14px;line-height:1.7;color:var(--c-ink-2)}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--c-deep);
  color:#F7F5F0;
  border-radius:var(--r-lg);
  padding:52px 48px;
  margin-bottom:96px;
}
.cta-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.cta-band h2{font-size:30px;line-height:1.4;font-weight:700;color:#fff}
.cta-band p{margin-top:14px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.72)}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:10px}
.cta-points li{position:relative;padding-left:20px;font-size:14px;color:rgba(255,255,255,.78)}
.cta-points li::before{
  content:"";
  position:absolute;left:0;top:11px;
  width:10px;height:2px;
  background:var(--c-accent);
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.btn-primary-solid{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;
  border-radius:var(--r-pill);
  background:var(--c-brand);
  color:#F7F5F0;
  font-weight:600;
  border:0;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary-solid:hover{background:var(--c-accent);color:var(--c-deep);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary-solid:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;
  border-radius:var(--r-pill);
  border:1.5px solid var(--c-brand);
  color:var(--c-brand);
  background:transparent;
  font-weight:600;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:#EDF3F1;border-color:var(--c-brand-2);color:var(--c-brand-2);transform:translateY(-2px)}
.btn-ghost.on-dark{border-color:rgba(255,255,255,.5);color:#F7F5F0}
.btn-ghost.on-dark:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-deep);color:rgba(255,255,255,.72);padding:72px 0 0}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:0;
}
.foot-col{padding:0 28px;border-left:1px solid rgba(255,255,255,.12)}
.foot-col:first-child{border-left:0;padding-left:0}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700}
.foot-brand svg{width:30px;height:30px}
.foot-desc{margin-top:16px;font-size:14px;line-height:1.8;max-width:280px}
.social{display:flex;gap:12px;margin-top:22px}
.social a{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.22);
  border-radius:50%;
  color:rgba(255,255,255,.8);
  transition:all .2s ease;
}
.social a:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-2px)}
.foot-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.foot-links li{margin-bottom:11px}
.foot-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease}
.foot-links a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:4px}
.foot-contact li{font-size:14px;margin-bottom:12px;line-height:1.7}
.foot-contact strong{display:block;color:#fff;font-weight:600;font-size:13px;margin-bottom:2px}
.foot-bar{
  margin-top:56px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;
  color:rgba(255,255,255,.6);
}
.foot-bar-right{display:flex;align-items:center;gap:20px}
.foot-bar-right a{color:rgba(255,255,255,.75);transition:color .2s ease}
.foot-bar-right a:hover{color:var(--c-accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px}
  .side{position:static;flex-direction:row;flex-wrap:wrap}
  .side-card{flex:1 1 300px}
  .foot-grid{grid-template-columns:1fr 1fr;row-gap:40px}
  .foot-col:nth-child(3){border-left:0;padding-left:0}
}
@media (max-width:991px){
  .dock-nav{gap:18px}
  .dock-nav a{font-size:14px}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-grid{grid-template-columns:1fr}
  .cta-actions{justify-content:flex-start}
  .article-card{padding:32px 28px 34px}
}
@media (max-width:767px){
  .shell,.narrow{width:calc(100% - 32px)}
  .dock{
    top:8px;
    width:calc(100% - 24px);
    height:56px;
    padding:0 14px;
    border-radius:var(--r-pill);
    flex-wrap:wrap;
    gap:10px;
  }
  .brand{font-size:15px}
  .brand svg{width:28px;height:28px}
  .dock-toggle{display:inline-flex}
  .dock-right{display:none}
  .dock-nav{
    display:none;
    position:absolute;
    top:calc(100% + 10px);
    left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    margin:0;
    padding:8px;
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:var(--r-md);
    box-shadow:var(--sh-2);
  }
  .dock.is-open .dock-nav{display:flex}
  .dock-nav a{
    min-height:48px;
    display:flex;align-items:center;
    padding:0 14px;
    border-bottom:1px solid var(--c-line);
    font-size:15px;
  }
  .dock-nav a:last-child{border-bottom:0}
  .dock-nav a.active::before{display:none}
  .dock-nav a.active{background:#FBF9F5;border-radius:var(--r-sm)}
  .page-hero{margin-top:80px;min-height:230px}
  .hero-line{font-size:15px}
  .article-head h1{font-size:26px}
  .article-card{padding:26px 20px 30px;border-radius:var(--r-md)}
  .article-body{font-size:16px}
  .article-body>p:first-of-type{font-size:17px}
  .article-body h2{font-size:21px}
  .pager{grid-template-columns:1fr}
  .pager a+a{border-left:0;border-top:1px solid var(--c-line);text-align:left}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .section-head h2{font-size:24px}
  .rel-grid{grid-template-columns:1fr}
  .cta-band{padding:36px 24px;border-radius:var(--r-md);margin-bottom:64px}
  .cta-band h2{font-size:24px}
  .foot-grid{grid-template-columns:1fr;row-gap:32px}
  .foot-col{padding:0;border-left:0}
  .site-footer{padding-top:52px}
  .foot-bar{flex-direction:column;align-items:flex-start}
}
@media (hover:none){
  .rel-card:hover{transform:none;box-shadow:var(--sh-1)}
  .btn-dock:hover,.btn-primary-solid:hover,.btn-ghost:hover{transform:none}
  .side-list a:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --c-brand:#0F3D33;
  --c-brand-2:#17604F;
  --c-deep:#0A241F;
  --c-accent:#FF6B2C;
  --c-accent-soft:#FFF0E8;
  --c-accent-ink:#C2450E;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-line:#E5E0D6;
  --c-line-strong:#D8D2C4;
  --c-ink:#14211D;
  --c-ink-2:#55645E;
  --c-mute:#9AA8A2;
  --r-sm:10px;
  --r-card:16px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,40,34,.06),0 10px 28px -16px rgba(16,40,34,.20);
  --sh-2:0 2px 4px rgba(16,40,34,.08),0 18px 40px -18px rgba(16,40,34,.28);
  --shell:1240px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--c-brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-accent);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;letter-spacing:0;color:var(--c-ink);}
p{margin:0;}
button{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;border-radius:6px;}

.shell{
  width:100%;
  max-width:var(--shell);
  margin:0 auto;
  padding:0 24px;
}
.sec{padding:96px 0;}
.sec-tight{padding:64px 0;}
.sec-alt{background:#FBF9F5;}

/* ============ 浮动 Dock 导航 ============ */
.dock{
  position:fixed;
  top:16px;
  left:50%;
  transform:translateX(-50%);
  width:min(1160px,calc(100% - 40px));
  height:64px;
  display:flex;
  align-items:center;
  gap:16px;
  padding:0 20px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
  z-index:1050;
  transition:height .24s ease,box-shadow .24s ease,background .24s ease;
}
.dock.is-scrolled{height:56px;box-shadow:var(--sh-2);}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--c-ink);
  font-weight:800;
  font-size:16px;
  flex:0 0 auto;
}
.brand:hover{color:var(--c-brand);}
.brand svg{width:32px;height:32px;flex:0 0 auto;}
.brand-text{white-space:nowrap;}
.dock-nav{
  display:flex;
  align-items:center;
  gap:2px;
  margin:0 auto;
}
.dock-nav a{
  position:relative;
  font-size:15px;
  color:var(--c-ink-2);
  padding:8px 14px;
  border-radius:var(--r-pill);
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.dock-nav a::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:3px;
  height:2px;
  background:var(--c-accent);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease;
}
.dock-nav a:hover{color:var(--c-brand);}
.dock-nav a:hover::after{transform:scaleX(1);}
.dock-nav a.active{color:var(--c-brand);font-weight:600;}
.dock-nav a.active::after{transform:scaleX(1);}
.dock-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  width:36px;height:36px;
  border:1px solid var(--c-line);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--c-brand);
  transition:border-color .2s ease,background .2s ease,color .2s ease;
}
.icon-btn:hover{border-color:var(--c-brand);background:#EDF3F1;color:var(--c-brand);}
.btn-dock{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;
  border-radius:var(--r-pill);
  background:var(--c-brand);
  color:#F7F5F0;
  font-size:15px;font-weight:600;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-dock:hover{background:var(--c-accent);color:#0A241F;transform:translateY(-2px);box-shadow:var(--sh-2);}
.dock-toggle{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--c-line);
  border-radius:50%;
  background:transparent;
  align-items:center;justify-content:center;
  color:var(--c-brand);
  margin-left:auto;
}

/* ============ 分类 Hero（居中文字型） ============ */
.cat-hero{
  position:relative;
  background:var(--c-deep);
  color:#F7F5F0;
  padding:150px 0 64px;
  min-height:286px;
  overflow:hidden;
}
.cat-hero .arc{
  position:absolute;
  right:-60px;top:-40px;
  width:420px;height:420px;
  opacity:.20;
  pointer-events:none;
}
.cat-hero .shell{position:relative;z-index:2;text-align:center;}
.hero-eyebrow{
  display:inline-block;
  height:26px;line-height:24px;
  padding:0 14px;
  border:1px solid rgba(255,255,255,.34);
  border-radius:var(--r-pill);
  font-size:12px;
  letter-spacing:.04em;
  color:rgba(255,255,255,.86);
  margin-bottom:20px;
}
.cat-hero h1{
  font-size:36px;
  font-weight:700;
  line-height:1.32;
  color:#FFFFFF;
  max-width:880px;
  margin:0 auto;
}
.cat-hero h1 span{
  position:relative;
  white-space:nowrap;
}
.cat-hero h1 span::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:2px;
  height:3px;
  background:var(--c-accent);
  border-radius:3px;
  opacity:.85;
}
.hero-sub{
  margin:16px auto 0;
  max-width:660px;
  font-size:16px;
  line-height:1.8;
  color:rgba(255,255,255,.72);
}
.hero-chips{
  display:flex;justify-content:center;flex-wrap:wrap;
  gap:12px;margin-top:26px;
}
.chip{
  display:inline-flex;align-items:center;
  height:34px;padding:0 18px;
  border-radius:var(--r-pill);
  font-size:13px;
  letter-spacing:.02em;
}
.chip-light{background:rgba(255,255,255,.10);color:#F7F5F0;border:1px solid rgba(255,255,255,.24);}
.chip-accent{background:var(--c-accent);color:#0A241F;font-weight:600;}

/* ============ 横幅图带 ============ */
.banner-strip{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  aspect-ratio:21/6;
  min-height:180px;
  box-shadow:var(--sh-1);
}
.banner-strip img{width:100%;height:100%;object-fit:cover;}
.banner-strip::after{
  content:"";
  position:absolute;inset:0;
  background:rgba(10,36,31,.62);
}
.banner-strip .strip-text{
  position:absolute;
  left:32px;bottom:28px;
  z-index:2;
  color:#F7F5F0;
  max-width:560px;
}
.banner-strip .strip-text strong{
  display:block;
  font-size:20px;
  font-weight:700;
  line-height:1.5;
}
.banner-strip .strip-text em{
  display:block;
  margin-top:6px;
  font-style:normal;
  font-size:14px;
  color:rgba(255,255,255,.74);
}

/* ============ 三格说明条 ============ */
.facts-bar{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.fact{
  padding:26px 28px;
  border-left:1px solid var(--c-line);
}
.fact:first-child{border-left:0;}
.fact .num{
  font-variant-numeric:tabular-nums;
  font-size:30px;
  font-weight:800;
  color:var(--c-brand);
  line-height:1.2;
}
.fact .num i{
  display:inline-block;
  width:16px;height:2px;
  background:var(--c-accent);
  vertical-align:middle;
  margin-right:8px;
  border-radius:2px;
}
.fact h3{font-size:16px;font-weight:600;margin-top:6px;}
.fact p{font-size:14px;line-height:1.7;color:var(--c-ink-2);margin-top:4px;}

/* ============ 区块标题组 ============ */
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.sec-head h2{
  font-size:30px;
  font-weight:700;
  line-height:1.35;
  padding-left:14px;
  position:relative;
}
.sec-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;
  width:4px;height:22px;
  background:var(--c-accent);
  border-radius:2px;
}
.sec-note{
  margin-top:14px;
  padding-left:14px;
  font-size:14px;
  line-height:1.7;
  color:var(--c-ink-2);
  max-width:640px;
}
.sec-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;
  color:var(--c-brand);
  padding-bottom:2px;
  border-bottom:2px solid transparent;
  transition:border-color .2s ease,color .2s ease;
}
.sec-link svg{transition:transform .2s ease;}
.sec-link:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);}
.sec-link:hover svg{transform:translateX(3px);}

/* ============ 两列大卡交错网格 ============ */
.card-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:28px;
  align-items:start;
}
.card-grid > .v-card:nth-child(even){margin-top:44px;}
.v-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.v-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:var(--c-line-strong);
}
.v-card .thumb{
  position:relative;
  overflow:hidden;
  background:rgba(15,61,51,.08);
}
.v-card .thumb.r43{aspect-ratio:4/3;}
.v-card .thumb.r32{aspect-ratio:3/2;}
.v-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.v-card:hover .thumb img{transform:scale(1.03);}
.v-card .body{padding:24px;}
.v-card .body h3{font-size:19px;font-weight:600;line-height:1.5;}
.v-card .body p{
  margin-top:12px;
  font-size:15px;
  line-height:1.8;
  color:var(--c-ink-2);
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.tag{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  letter-spacing:.04em;
}
.tag-soft{background:var(--c-accent-soft);color:var(--c-accent-ink);}
.tag-line{border:1px solid rgba(15,61,51,.28);color:var(--c-brand);}

/* ============ 流程 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.step{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-1);
  position:relative;
  transition:transform .24s ease,box-shadow .24s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step .idx{
  display:flex;align-items:center;gap:8px;
  font-variant-numeric:tabular-nums;
  font-size:14px;font-weight:700;
  color:var(--c-accent);
  letter-spacing:.04em;
}
.step .idx i{display:block;width:12px;height:2px;background:var(--c-accent);border-radius:2px;}
.step h3{font-size:17px;font-weight:600;margin-top:14px;}
.step p{font-size:14px;line-height:1.7;color:var(--c-ink-2);margin-top:8px;}

/* ============ 数据带 ============ */
.stat-band{
  background:var(--c-deep);
  color:#F7F5F0;
  padding:72px 0;
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.stat{
  padding:0 24px;
  border-left:1px solid rgba(255,255,255,.12);
}
.stat:first-child{border-left:0;padding-left:0;}
.stat .num{
  font-variant-numeric:tabular-nums;
  font-size:44px;
  font-weight:800;
  line-height:1.1;
  color:#FFFFFF;
}
.stat .num b{font-size:18px;font-weight:600;margin-left:4px;color:var(--c-accent);}
.stat h3{font-size:16px;font-weight:600;color:#F7F5F0;margin-top:10px;}
.stat p{font-size:13px;line-height:1.7;color:rgba(255,255,255,.62);margin-top:6px;}

/* ============ 相关内容推荐 ============ */
.rel-list{
  border-top:1px solid var(--c-line);
}
.rel-list li{border-bottom:1px solid var(--c-line);}
.rel-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:20px 16px;
  font-size:16px;
  font-weight:600;
  color:var(--c-ink);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.rel-list a:hover{background:#FBF9F5;color:var(--c-brand);transform:translateX(4px);}
.rel-meta{
  font-size:13px;
  font-weight:400;
  color:var(--c-ink-2);
  white-space:nowrap;
}
.to-top-wrap{margin-top:32px;display:flex;justify-content:flex-start;}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--c-line-strong);box-shadow:var(--sh-1);}
.faq-item::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:4px;
  background:var(--c-accent);
  opacity:0;
  transition:opacity .2s ease;
}
.faq-item:has(.faq-q[aria-expanded="true"])::before{opacity:1;}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 22px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  color:var(--c-ink);
  cursor:pointer;
}
.faq-q .chev{
  flex:0 0 auto;
  width:20px;height:20px;
  color:var(--c-ink-2);
  transition:transform .24s ease,color .24s ease;
}
.faq-q[aria-expanded="true"]{color:var(--c-brand);}
.faq-q[aria-expanded="true"] .chev{transform:rotate(180deg);color:var(--c-accent);}
.faq-a{
  padding:0 22px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-ink-2);
}

/* ============ CTA 窄条 ============ */
.cta-band{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--c-deep);
  color:#F7F5F0;
}
.cta-band img{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;
  opacity:.34;
}
.cta-band::after{content:"";position:absolute;inset:0;background:rgba(10,36,31,.72);}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:44px 40px;
}
.cta-inner h2{font-size:24px;font-weight:700;color:#FFFFFF;line-height:1.4;}
.cta-inner p{margin-top:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.72);max-width:620px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto;}

/* ============ 按钮 ============ */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-main{background:var(--c-brand);color:#F7F5F0;}
.btn-main:hover{background:var(--c-accent);color:#0A241F;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--c-brand);color:var(--c-brand);}
.btn-ghost:hover{background:#EDF3F1;border-color:var(--c-brand-2);color:var(--c-brand-2);}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.5);color:#F7F5F0;}
.btn-ghost-light:hover{background:rgba(255,255,255,.10);border-color:#F7F5F0;color:#FFFFFF;}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-deep);
  color:rgba(255,255,255,.72);
  padding:72px 0 0;
  margin-top:96px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
}
.foot-col{
  padding:0 28px;
  border-left:1px solid rgba(255,255,255,.10);
}
.foot-col:first-child{border-left:0;padding-left:0;}
.foot-brand{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:800;
  color:#FFFFFF;
}
.foot-brand svg{width:32px;height:32px;}
.foot-desc{
  margin-top:14px;
  font-size:14px;
  line-height:1.75;
  color:rgba(255,255,255,.62);
  max-width:280px;
}
.social{display:flex;gap:10px;margin-top:20px;}
.social a{
  width:36px;height:36px;
  border:1px solid rgba(255,255,255,.2);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.78);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.social a:hover{border-color:var(--c-accent);color:var(--c-accent);background:rgba(255,107,44,.10);}
.site-footer h4{
  font-size:15px;
  font-weight:600;
  color:#FFFFFF;
  margin-bottom:16px;
}
.foot-links li{margin-bottom:10px;}
.foot-links a{
  font-size:14px;
  color:rgba(255,255,255,.72);
}
.foot-links a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:4px;}
.foot-contact li{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.72);
  margin-bottom:10px;
}
.foot-contact strong{color:#FFFFFF;font-weight:600;}
.foot-bottom{
  margin-top:56px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.52);
}
.foot-bottom a{color:rgba(255,255,255,.62);}
.foot-bottom a:hover{color:var(--c-accent);}
.foot-bottom-right{display:flex;align-items:center;gap:16px;}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;
  right:24px;bottom:24px;
  width:46px;height:46px;
  border-radius:50%;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
  opacity:0;visibility:hidden;
  transform:translateY(10px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease,background .2s ease,color .2s ease;
  z-index:1040;
  cursor:pointer;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--c-brand);color:#F7F5F0;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .sec{padding:72px 0;}
  .cat-hero h1{font-size:32px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px 0;}
  .foot-col:nth-child(3){border-left:0;padding-left:0;}
}
@media (max-width:991px){
  .dock-nav{gap:0;}
  .dock-nav a{font-size:14px;padding:8px 10px;}
  .dock-nav a::after{left:10px;right:10px;}
  .card-grid{gap:24px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:32px 0;}
  .stat:nth-child(3){border-left:0;padding-left:0;}
  .facts-bar{grid-template-columns:1fr;}
  .fact{border-left:0;border-top:1px solid var(--c-line);}
  .fact:first-child{border-top:0;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:36px 28px;}
}
@media (max-width:767px){
  .dock{
    top:8px;
    width:calc(100% - 32px);
    height:56px;
    border-radius:16px;
    padding:0 14px;
  }
  .dock-nav,.dock-right{display:none;}
  .dock-toggle{display:flex;}
  .dock.is-open .dock-nav{
    display:flex;
    position:absolute;
    top:calc(100% + 12px);
    left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    margin:0;
    padding:8px;
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:16px;
    box-shadow:var(--sh-2);
  }
  .dock.is-open .dock-nav a{
    height:48px;
    display:flex;
    align-items:center;
    padding:0 14px;
    font-size:15px;
    border-bottom:1px solid var(--c-line);
    border-radius:10px;
  }
  .dock.is-open .dock-nav a:last-child{border-bottom:0;}
  .dock.is-open .dock-nav a::after{display:none;}
  .dock.is-open .dock-nav a.active{background:var(--c-accent-soft);color:var(--c-brand);}

  .shell{padding:0 16px;}
  .sec{padding:56px 0;}
  .cat-hero{padding:110px 0 52px;min-height:260px;}
  .cat-hero h1{font-size:26px;line-height:1.4;}
  .hero-sub{font-size:15px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px;}
  .sec-head h2{font-size:24px;}
  .card-grid{grid-template-columns:1fr;}
  .card-grid > .v-card:nth-child(even){margin-top:0;}
  .steps{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr;}
  .stat{border-left:0;padding-left:0;}
  .stat .num{font-size:38px;}
  .banner-strip{aspect-ratio:16/9;}
  .banner-strip .strip-text{left:20px;right:20px;bottom:20px;}
  .banner-strip .strip-text strong{font-size:17px;}
  .rel-list a{flex-direction:column;align-items:flex-start;gap:6px;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-col{padding:0;border-left:0;border-top:1px solid rgba(255,255,255,.10);padding-top:28px;margin-top:28px;}
  .foot-col:first-child{border-top:0;padding-top:0;margin-top:0;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:520px){
  .cat-hero h1{font-size:23px;}
  .hero-chips{flex-direction:column;align-items:center;}
  .cta-inner h2{font-size:20px;}
  .btn-main,.btn-ghost{padding:0 20px;font-size:14px;}
}
@media (hover:none){
  .v-card:hover{transform:none;box-shadow:var(--sh-1);}
  .v-card:hover .thumb img{transform:none;}
  .step:hover{transform:none;}
  .btn-main:hover{transform:none;}
  .rel-list a:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --c-brand:#0F3D33;
  --c-brand-lt:#17604F;
  --c-deep:#0A241F;
  --c-accent:#FF6B2C;
  --c-accent-soft:#FFF0E8;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-line:#E5E0D6;
  --c-ink:#14211D;
  --c-ink-2:#55645E;
  --c-mute:#9AA8A2;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,40,34,.06),0 10px 28px -16px rgba(16,40,34,.20);
  --sh-2:0 2px 4px rgba(16,40,34,.08),0 18px 40px -18px rgba(16,40,34,.28);
  --t:240ms cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.32;letter-spacing:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color var(--t)}
img{display:block;max-width:100%;height:auto}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea{font:inherit;color:inherit}
::selection{background:#FFD9C6;color:var(--c-deep)}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}

.shell{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ============ dock ============ */
.dock{
  position:sticky;
  top:14px;
  z-index:120;
  width:min(1160px,calc(100% - 40px));
  height:64px;
  margin:14px auto 0;
  padding:0 20px;
  display:flex;
  align-items:center;
  gap:18px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
  transition:height var(--t),box-shadow var(--t);
}
.dock.is-scrolled{height:56px;box-shadow:var(--sh-2)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand svg{width:32px;height:32px}
.brand-text{font-size:17px;font-weight:800;color:var(--c-brand);white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:2px;margin:0 auto}
.dock-nav a{
  position:relative;
  padding:8px 14px;
  font-size:15px;
  color:var(--c-ink-2);
  border-radius:var(--r-pill);
}
.dock-nav a::after{
  content:"";
  position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--c-accent);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform 200ms ease;
}
.dock-nav a:hover{color:var(--c-brand)}
.dock-nav a:hover::after{transform:scaleX(1)}
.dock-nav a.active{color:var(--c-brand);font-weight:600}
.dock-nav a.active::after{transform:scaleX(1);height:3px;bottom:2px}
.dock-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.icon-btn{
  width:36px;height:36px;border-radius:50%;
  border:1px solid var(--c-line);
  display:grid;place-items:center;
  color:var(--c-ink-2);
  transition:var(--t);
}
.icon-btn:hover{color:var(--c-brand);border-color:var(--c-brand-lt);background:#EDF3F1}
.btn-dock{
  display:inline-flex;align-items:center;height:40px;padding:0 20px;
  border-radius:var(--r-pill);
  background:var(--c-brand);color:#F7F5F0;
  font-size:15px;font-weight:600;
  transition:var(--t);
}
.btn-dock:hover{background:var(--c-accent);color:var(--c-deep);transform:translateY(-2px);box-shadow:var(--sh-2)}
.dock-toggle{
  display:none;width:38px;height:38px;border-radius:50%;
  border:1px solid var(--c-line);color:var(--c-brand);
  place-items:center;margin-left:auto;
}
.dock-panel{display:none}

/* ============ hero ============ */
.cat-hero{
  position:relative;
  margin-top:18px;
  min-height:356px;
  display:flex;
  align-items:flex-end;
  padding:132px 0 56px;
  overflow:hidden;
  border-radius:0 0 28px 28px;
  background:var(--c-deep);
}
.cat-hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cat-hero-veil{position:absolute;inset:0;background:rgba(10,36,31,.78)}
.cat-hero-inner{position:relative;z-index:2;color:#FFFFFF}
.hero-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 14px;
  border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.04em;font-weight:600;
  color:#FFC7A8;
  background:rgba(255,107,44,.16);
  border:1px solid rgba(255,107,44,.42);
}
.cat-hero h1{
  margin:18px 0 0;
  font-size:36px;
  font-weight:700;
  max-width:760px;
  color:#FFFFFF;
}
.cat-hero .lede{
  margin-top:14px;
  max-width:640px;
  font-size:16px;
  line-height:1.85;
  color:rgba(255,255,255,.78);
}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;border:1.5px solid transparent;
  transition:transform var(--t),background var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
}
.btn svg{width:16px;height:16px}
.btn-light{background:#F7F5F0;color:var(--c-brand)}
.btn-light:hover{background:var(--c-accent);color:var(--c-deep);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-light:active{transform:translateY(0)}
.btn-ghost-light{border-color:rgba(255,255,255,.55);color:#FFFFFF}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:#FFFFFF;transform:translateY(-2px)}
.btn-primary{background:var(--c-brand);color:#F7F5F0}
.btn-primary:hover{background:var(--c-accent);color:var(--c-deep);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--c-brand);color:var(--c-brand);background:transparent}
.btn-outline:hover{background:#EDF3F1;border-color:var(--c-brand-lt);transform:translateY(-2px)}

.more{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-brand);
}
.more svg{width:15px;height:15px;transition:transform 200ms ease}
.more::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;
  background:var(--c-accent);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform 200ms ease;
}
.more:hover::after{transform:scaleX(1)}
.more:hover svg{transform:translateX(3px)}

.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.04em;font-weight:600;
  background:var(--c-accent-soft);color:#B7460F;
}
.badge-line{background:transparent;border:1px solid var(--c-brand-lt);color:var(--c-brand)}

/* ============ sections ============ */
.section{padding:72px 0}
.section-tight{padding:56px 0}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:28px;margin-bottom:36px;
}
.sec-head h2{
  position:relative;padding-left:16px;
  font-size:30px;font-weight:700;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;
  border-radius:2px;background:var(--c-accent);
}
.sec-head .sub{
  margin-top:10px;padding-left:16px;
  font-size:14px;line-height:1.7;color:var(--c-ink-2);
}

/* ============ stat strip ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(3,1fr);
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
  margin-top:-32px;position:relative;z-index:5;
}
.stat{padding:26px 28px;border-right:1px solid var(--c-line)}
.stat:last-child{border-right:none}
.stat .num{
  display:flex;align-items:baseline;gap:6px;
  font-size:38px;font-weight:800;color:var(--c-brand);line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.stat .num::before{content:"—";font-size:16px;color:var(--c-accent);font-weight:700}
.stat .lab{margin-top:4px;font-size:15px;font-weight:600;color:var(--c-ink)}
.stat .desc{margin-top:4px;font-size:13.5px;line-height:1.7;color:var(--c-ink-2)}

/* ============ split ============ */
.split{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:start}
.split-media{
  position:sticky;top:96px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.media-cap{padding:20px 22px 22px}
.media-cap p{margin-top:12px;font-size:14px;line-height:1.75;color:var(--c-ink-2)}

.item-list{border-top:1px solid var(--c-line)}
.item{
  display:grid;grid-template-columns:56px 1fr;gap:16px;
  padding:22px 16px;
  border-bottom:1px solid var(--c-line);
  border-radius:12px;
  transition:background var(--t),transform var(--t);
}
.item:hover{background:#FBF9F5;transform:translateX(4px)}
.item-num{
  font-size:20px;font-weight:800;color:var(--c-accent);
  line-height:1.5;font-variant-numeric:tabular-nums;
}
.item h3{font-size:19px;font-weight:600;color:var(--c-ink)}
.item p{margin-top:8px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}
.item .more{margin-top:12px}

/* ============ scene grid ============ */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.scene{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  padding:26px 26px 24px;
  box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.scene::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:var(--c-accent);border-radius:var(--r-md) var(--r-md) 0 0;
  transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.scene:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8D2C4}
.scene:hover::before{transform:scaleX(1)}
.scene h3{font-size:19px;font-weight:600}
.scene p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

/* ============ flow ============ */
.flow{
  display:grid;grid-template-columns:repeat(5,1fr);
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.flow-step{padding:28px 22px;border-right:1px solid var(--c-line);transition:background var(--t)}
.flow-step:last-child{border-right:none}
.flow-step:hover{background:#FBF9F5}
.flow-step .step-n{
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--c-accent);font-variant-numeric:tabular-nums;
}
.flow-step h3{margin-top:10px;font-size:17px;font-weight:600}
.flow-step p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--c-ink-2)}

/* ============ faq ============ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item[open]{border-color:#D8D2C4;box-shadow:var(--sh-1)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:14px;
  padding:18px 22px;
  font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";width:4px;height:18px;border-radius:2px;
  background:var(--c-line);transition:background var(--t);flex-shrink:0;
}
.faq-item[open] summary::before{background:var(--c-accent)}
.faq-item summary::after{
  content:"+";margin-left:auto;font-size:20px;font-weight:400;
  color:var(--c-ink-2);line-height:1;transition:color var(--t);
}
.faq-item[open] summary::after{content:"−";color:var(--c-accent)}
.faq-body{padding:0 22px 20px 40px;font-size:15px;line-height:1.85;color:var(--c-ink-2)}

/* ============ cta band ============ */
.cta-band{
  background:var(--c-deep);
  border-radius:var(--r-lg);
  padding:42px 46px;
  display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
  color:#FFFFFF;
}
.cta-band h2{font-size:26px;font-weight:700;color:#FFFFFF}
.cta-band p{
  margin-top:10px;max-width:620px;
  font-size:15px;line-height:1.8;color:rgba(255,255,255,.72);
}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ footer ============ */
.site-footer{background:var(--c-deep);color:rgba(255,255,255,.72);margin-top:24px;padding:64px 0 0}
.foot-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:0;
}
.foot-col{padding:0 28px}
.foot-col:first-child{padding-left:0}
.foot-col:last-child{padding-right:0}
.foot-col + .foot-col{border-left:1px solid rgba(255,255,255,.12)}
.foot-brand{display:flex;align-items:center;gap:10px;color:#FFFFFF}
.foot-brand svg{width:30px;height:30px}
.foot-brand span{font-size:17px;font-weight:800}
.foot-desc{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66)}
.social{display:flex;gap:10px;margin-top:18px}
.social a{
  width:36px;height:36px;border-radius:50%;
  border:1px solid rgba(255,255,255,.18);
  display:grid;place-items:center;color:rgba(255,255,255,.72);
  transition:var(--t);
}
.social a:hover{color:var(--c-accent);border-color:rgba(255,107,44,.5);transform:translateY(-2px)}
.foot-col h4{font-size:15px;font-weight:600;color:#FFFFFF;margin-bottom:16px}
.foot-links li + li{margin-top:10px}
.foot-links a{font-size:14px;color:rgba(255,255,255,.66);text-decoration:none}
.foot-links a:hover{color:var(--c-accent);text-decoration:underline}
.foot-contact li{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66)}
.foot-contact li + li{margin-top:10px}
.foot-contact strong{color:#FFFFFF;font-weight:600}
.foot-bottom{
  margin-top:48px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.to-top{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.2);
  font-size:13px;color:rgba(255,255,255,.8);
  transition:var(--t);
}
.to-top:hover{color:var(--c-accent);border-color:rgba(255,107,44,.5);transform:translateY(-2px)}

/* ============ responsive ============ */
@media (max-width:1199px){
  .split{grid-template-columns:1fr 1.3fr;gap:28px}
  .flow{grid-template-columns:repeat(3,1fr)}
  .flow-step:nth-child(3){border-right:none}
  .flow-step:nth-child(n+4){border-top:1px solid var(--c-line)}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .split{grid-template-columns:1fr}
  .split-media{position:static}
  .split-media img{aspect-ratio:16/9}
  .stat-strip{grid-template-columns:1fr;margin-top:0}
  .stat{border-right:none;border-bottom:1px solid var(--c-line)}
  .stat:last-child{border-bottom:none}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px 0}
  .foot-col{padding:0 24px}
  .foot-col:nth-child(3){border-left:none;padding-left:0}
  .foot-col:nth-child(4){padding-right:0}
}
@media (max-width:767px){
  .shell{padding:0 16px}
  .dock{
    top:10px;margin-top:10px;height:56px;padding:0 14px;gap:10px;
    width:calc(100% - 32px);
  }
  .dock-nav,.dock-right{display:none}
  .dock-toggle{display:grid}
  .brand-text{font-size:15px}
  .dock-panel{
    display:none;
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:var(--r-md);
    box-shadow:var(--sh-2);
    padding:8px;
  }
  .dock-panel.open{display:block}
  .dock-panel a{
    display:flex;align-items:center;height:48px;padding:0 16px;
    border-radius:var(--r-sm);
    font-size:15px;color:var(--c-ink-2);
  }
  .dock-panel a + a{border-top:1px solid var(--c-line)}
  .dock-panel a.active{color:var(--c-brand);font-weight:600;background:#FBF9F5}
  .dock-panel .panel-cta{
    margin-top:8px;justify-content:center;
    background:var(--c-brand);color:#F7F5F0;border-radius:var(--r-pill);
    font-weight:600;height:44px;
  }
  .cat-hero{padding:104px 0 44px;min-height:300px;border-radius:0 0 22px 22px}
  .cat-hero h1{font-size:26px}
  .cat-hero .lede{font-size:15px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px}
  .sec-head h2{font-size:24px}
  .scene-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .flow-step{border-right:none;border-bottom:1px solid var(--c-line)}
  .flow-step:last-child{border-bottom:none}
  .cta-band{padding:30px 24px;flex-direction:column;align-items:flex-start}
  .cta-band h2{font-size:22px}
  .site-footer{padding-top:48px}
  .foot-grid{grid-template-columns:1fr;gap:0}
  .foot-col{padding:24px 0}
  .foot-col + .foot-col{border-left:none;border-top:1px solid rgba(255,255,255,.12)}
  .foot-col:first-child{padding-top:0}
  .foot-bottom{margin-top:32px;flex-direction:column;align-items:flex-start}
}
@media (max-width:575px){
  .item{grid-template-columns:38px 1fr;gap:12px;padding:18px 8px}
  .item-num{font-size:17px}
  .item h3{font-size:17px}
  .stat{padding:22px 20px}
  .stat .num{font-size:32px}
  .btn{height:46px;padding:0 22px;font-size:15px}
  .faq-item summary{padding:16px 16px;font-size:16px;gap:10px}
  .faq-body{padding:0 16px 18px 30px}
}
@media (hover:none){
  .item:hover{transform:none;background:transparent}
  .scene:hover{transform:none}
  .btn:hover{transform:none}
}