/* roulang page: index */
:root{
  --c-primary:#12504A;
  --c-primary-dark:#0B3A35;
  --c-ink:#0D2B28;
  --c-lime:#3FD08A;
  --c-cta:#FF6B2C;
  --c-cta-hover:#E85A1C;
  --c-bg:#F7F5F0;
  --c-card:#FFFFFF;
  --c-text:#14201E;
  --c-muted:#5A6B68;
  --c-border:#E3DFD6;
  --c-warn:#C0392B;
  --r-card:14px;
  --r-sm:10px;
  --r-btn:8px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(13,43,40,.06);
  --sh-2:0 8px 24px rgba(13,43,40,.08);
  --sh-3:0 16px 40px rgba(13,43,40,.14);
  --fs-12:12px;--fs-14:14px;--fs-16:16px;--fs-17:17px;--fs-20:20px;
  --fs-24:24px;--fs-30:30px;--fs-38:38px;--fs-48:48px;
  --maxw:1200px;
  --sec-pc:96px;
  --sec-mb:56px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:var(--fs-17);
  line-height:1.9;
  letter-spacing:.01em;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary-dark)}
button{font:inherit;border:0;background:none;cursor:pointer}
input,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(63,208,138,.45);outline-offset:2px;border-radius:6px}
.grid-container{max-width:var(--maxw);margin:0 auto;padding-left:24px;padding-right:24px;width:100%}
.grid-x.gutter{margin-left:-14px;margin-right:-14px}
.grid-x.gutter>.cell{padding-left:14px;padding-right:14px;margin-bottom:28px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-top:3px solid var(--c-primary);
  border-bottom:1px solid var(--c-border);
  transition:height .25s ease,box-shadow .25s ease;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px;transition:height .25s ease}
.site-header.is-shrink .header-inner{height:64px}
.site-header.is-shrink{box-shadow:var(--sh-2)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:8px;background:var(--c-primary);
  border:2px solid var(--c-lime);display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:var(--fs-14);letter-spacing:0;
}
.brand-text{font-size:18px;font-weight:700;color:var(--c-ink);letter-spacing:-.2px;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--c-primary)}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  display:inline-block;padding:10px 14px;font-size:var(--fs-16);color:var(--c-text);
  border-radius:var(--r-btn);position:relative;font-weight:500;
}
.main-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--c-lime);
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;border-radius:2px;
}
.main-nav a:hover{color:var(--c-primary);background:#F3F7F5}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--c-primary);font-weight:700}
.main-nav a.is-active::after{transform:scaleX(1)}
.header-cta{display:flex;align-items:center;gap:12px}
.hamburger{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.hamburger span{display:block;width:22px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .25s ease,opacity .2s ease}
.hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.is-open span:nth-child(2){opacity:0}
.hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 移动抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(13,43,40,.45);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s;z-index:70}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;left:0;bottom:0;width:86%;max-width:340px;background:#fff;z-index:80;
  border-left:4px solid var(--c-primary);transform:translateX(-102%);
  transition:transform .3s ease;display:flex;flex-direction:column;padding:24px 20px;
}
.mobile-drawer.is-open{transform:translateX(0)}
.mobile-drawer .drawer-title{font-size:var(--fs-14);color:var(--c-muted);padding-bottom:12px;border-bottom:1px solid var(--c-border)}
.mobile-drawer nav{flex:1;padding-top:8px}
.mobile-drawer nav a{
  display:flex;align-items:center;height:56px;font-size:18px;color:var(--c-text);
  border-bottom:1px solid var(--c-border);opacity:0;transform:translateY(8px);
}
.mobile-drawer.is-open nav a{animation:drawerIn .3s ease forwards}
.mobile-drawer nav a:nth-child(1){animation-delay:.03s}
.mobile-drawer nav a:nth-child(2){animation-delay:.06s}
.mobile-drawer nav a:nth-child(3){animation-delay:.09s}
.mobile-drawer nav a:nth-child(4){animation-delay:.12s}
.mobile-drawer nav a:nth-child(5){animation-delay:.15s}
.mobile-drawer nav a.is-active{color:var(--c-primary);font-weight:700}
@keyframes drawerIn{to{opacity:1;transform:translateY(0)}}
.drawer-foot{padding-top:16px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);font-size:var(--fs-16);
  font-weight:700;white-space:nowrap;transition:all .22s ease;cursor:pointer;
}
.btn-primary{background:var(--c-cta);color:#fff;box-shadow:0 6px 18px rgba(255,107,44,.24)}
.btn-primary:hover{background:var(--c-cta-hover);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,107,44,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,107,44,.22)}
.btn-ghost{background:#fff;color:var(--c-primary);border:1.5px solid var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-on-dark{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5)}
.btn-on-dark:hover{background:#fff;color:var(--c-primary);border-color:#fff}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.btn-sm{height:40px;padding:0 18px;font-size:var(--fs-14)}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:var(--fs-14);font-weight:700;color:var(--c-primary)}
.link-more svg,.link-more i{transition:transform .22s ease}
.link-more:hover svg,.link-more:hover i{transform:translateX(4px)}

/* ---------- 通用区块 ---------- */
.section{padding:var(--sec-pc) 0}
.section.alt{background:#fff;border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border)}
.section-head{max-width:760px;margin-bottom:56px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;font-size:var(--fs-12);font-weight:700;letter-spacing:.08em;
  color:var(--c-primary);background:rgba(18,80,74,.08);
  border-radius:var(--r-pill);padding:5px 14px;margin-bottom:16px;
}
.section-head h2{
  font-size:var(--fs-30);font-weight:700;color:var(--c-ink);line-height:1.35;
  letter-spacing:-.4px;position:relative;padding-left:16px;
}
.section-head.center h2{padding-left:0}
.section-head h2::before{
  content:"";position:absolute;left:0;top:8px;width:3px;height:22px;
  background:var(--c-primary);border-radius:2px;
}
.section-head.center h2::before{display:none}
.section-head p{margin-top:16px;color:var(--c-muted);font-size:var(--fs-16);line-height:1.85}
.section-actions{margin-top:44px;text-align:center}

/* ---------- Hero ---------- */
.hero{
  position:relative;background:var(--c-ink);color:#fff;overflow:hidden;
  padding:72px 0 76px;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 46px);
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(63,208,138,.18),transparent 68%);pointer-events:none;
}
.hero-copy{position:relative;z-index:2}
.hero .eyebrow{background:rgba(63,208,138,.14);color:var(--c-lime)}
.hero h1{
  font-size:var(--fs-48);font-weight:800;line-height:1.35;letter-spacing:-.5px;color:#fff;
  max-width:16em;
}
.hero-sub{margin-top:22px;font-size:18px;line-height:1.85;color:rgba(255,255,255,.78);max-width:34em}
.hero-actions{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap}
.hero-stats{display:flex;gap:44px;margin-top:48px;padding-top:32px;border-top:1px solid rgba(255,255,255,.12);flex-wrap:wrap}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats b{font-size:var(--fs-30);font-weight:800;color:var(--c-lime);line-height:1.2;font-family:system-ui,-apple-system,"Segoe UI",sans-serif}
.hero-stats b small{font-size:var(--fs-14);font-weight:700;margin-left:2px}
.hero-stats em{font-style:normal;font-size:var(--fs-14);color:rgba(255,255,255,.62)}
.hero-visual{position:relative;z-index:2;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-3)}
.hero-visual img{width:100%;height:360px;object-fit:cover}
.hero-visual-mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,43,40,.35) 0%,rgba(13,43,40,.72) 100%);
}
.hero-float{
  position:absolute;left:20px;right:20px;bottom:20px;background:rgba(255,255,255,.96);
  border-radius:var(--r-card);padding:16px 18px;display:flex;align-items:center;gap:12px;
}
.hero-float .dot{width:10px;height:10px;border-radius:50%;background:var(--c-lime);flex-shrink:0;box-shadow:0 0 0 4px rgba(63,208,138,.2)}
.hero-float p{font-size:var(--fs-12);color:var(--c-muted);line-height:1.4}
.hero-float strong{display:block;font-size:var(--fs-16);color:var(--c-ink);font-weight:700}

/* ---------- 价值主张条 ---------- */
.value-strip{background:#fff;border-bottom:1px solid var(--c-border);padding:36px 0}
.value-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.value-item{display:flex;gap:14px;padding:0 22px;border-left:1px solid var(--c-border)}
.value-item:first-child{border-left:0;padding-left:0}
.value-item:last-child{padding-right:0}
.value-icon{
  width:42px;height:42px;border-radius:var(--r-sm);background:rgba(18,80,74,.08);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  color:var(--c-primary);font-weight:800;font-size:var(--fs-14);
}
.value-item h3{font-size:var(--fs-16);font-weight:700;color:var(--c-ink);line-height:1.5}
.value-item p{font-size:var(--fs-14);color:var(--c-muted);line-height:1.7;margin-top:2px}

/* ---------- 功能分组 Tab ---------- */
.fgroup-nav{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:36px}
.fgroup-btn{
  height:44px;padding:0 22px;border-radius:var(--r-pill);border:1px solid var(--c-border);
  background:#fff;color:var(--c-muted);font-size:var(--fs-16);font-weight:500;transition:all .2s ease;
}
.fgroup-btn:hover{border-color:var(--c-primary);color:var(--c-primary)}
.fgroup-btn.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:700}
.fgroup-panel{display:none}
.fgroup-panel.is-active{display:block;animation:fadeUp .3s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

.pcard{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease;
  overflow:hidden;height:100%;display:flex;flex-direction:column;
}
.pcard:hover{transform:translateY(-2px);box-shadow:var(--sh-3)}
.pcard-media{position:relative;overflow:hidden;background:#E3DFD6}
.pcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.pcard:hover .pcard-media img{transform:scale(1.04)}
.pcard-lg .pcard-media{height:280px}
.pcard-body{padding:26px;display:flex;flex-direction:column;gap:12px;flex:1}
.pcard-lg .pcard-body{padding:28px}
.pcard-body h3{font-size:var(--fs-20);font-weight:700;color:var(--c-ink);line-height:1.45}
.pcard-body p{font-size:var(--fs-14);color:var(--c-muted);line-height:1.8}
.pcard-sm{flex-direction:row;align-items:flex-start;gap:16px;padding:22px}
.pcard-sm:hover{background:#FCFBF8}
.pcard-sm .pcard-icon{
  width:44px;height:44px;border-radius:var(--r-sm);flex-shrink:0;
  background:rgba(63,208,138,.16);color:var(--c-primary);font-weight:800;
  display:flex;align-items:center;justify-content:center;font-size:var(--fs-14);
}
.pcard-sm h3{font-size:var(--fs-16);font-weight:700;color:var(--c-ink)}
.pcard-sm p{font-size:var(--fs-14);color:var(--c-muted);line-height:1.8;margin-top:4px}

/* ---------- Z 型场景 ---------- */
.zrow{display:flex;align-items:center;gap:56px;margin-bottom:80px}
.zrow:last-child{margin-bottom:0}
.zrow.reverse{flex-direction:row-reverse}
.zmedia{flex:1 1 0;border-radius:var(--r-lg);overflow:hidden;background:#E3DFD6;box-shadow:var(--sh-2)}
.zmedia img{width:100%;aspect-ratio:4/3;object-fit:cover}
.zbody{flex:1 1 0}
.zbody h3{font-size:var(--fs-24);font-weight:700;color:var(--c-ink);line-height:1.4;letter-spacing:-.2px}
.zbody p{margin-top:16px;color:var(--c-muted);font-size:var(--fs-16);line-height:1.9}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 24px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:var(--fs-12);color:var(--c-muted);background:var(--c-bg);border:1px solid var(--c-border);
}
.chip{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);
  font-size:var(--fs-12);font-weight:700;background:rgba(18,80,74,.09);color:var(--c-primary);
}
.chip-lime{background:rgba(63,208,138,.18);color:var(--c-primary)}

/* ---------- 案例 ---------- */
.case-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:30px;box-shadow:var(--sh-1);height:100%;
  transition:transform .24s ease,box-shadow .24s ease;
}
.case-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.case-num{
  font-size:32px;font-weight:800;color:var(--c-lime);line-height:1.1;
  font-family:system-ui,-apple-system,"Segoe UI",sans-serif;letter-spacing:-.5px;
}
.case-card h3{margin-top:18px;font-size:var(--fs-20);font-weight:700;color:var(--c-ink);line-height:1.45}
.case-card p{margin-top:10px;font-size:var(--fs-14);color:var(--c-muted);line-height:1.8}
.case-card .chip{margin-top:18px}
.case-card-lg{padding:36px;display:flex;flex-direction:column;justify-content:space-between;background:#fff}
.case-card-lg .case-num{font-size:var(--fs-38)}
.case-note{margin-top:40px;font-size:var(--fs-12);color:var(--c-muted);text-align:center;line-height:1.8}

/* ---------- 价格 ---------- */
.plan-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:32px 28px;height:100%;display:flex;flex-direction:column;
  box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease;position:relative;
}
.plan-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.plan-card.featured{border-top:4px solid var(--c-primary);box-shadow:var(--sh-3);transform:translateY(-6px)}
.plan-card.featured:hover{transform:translateY(-8px)}
.plan-badge{
  position:absolute;top:-14px;right:24px;height:28px;padding:0 16px;border-radius:var(--r-pill);
  background:var(--c-lime);color:var(--c-ink);font-size:var(--fs-12);font-weight:800;
  display:flex;align-items:center;
}
.plan-name{font-size:var(--fs-20);font-weight:700;color:var(--c-ink)}
.plan-desc{font-size:var(--fs-14);color:var(--c-muted);margin-top:6px}
.plan-price{display:flex;align-items:baseline;gap:8px;margin:22px 0;padding-bottom:22px;border-bottom:1px solid var(--c-border)}
.plan-price strong{font-size:var(--fs-38);font-weight:800;color:var(--c-ink);line-height:1;letter-spacing:-.5px}
.plan-price span{font-size:var(--fs-14);color:var(--c-muted)}
.plan-list{flex:1;display:flex;flex-direction:column;gap:12px;margin-bottom:26px}
.plan-list li{display:flex;gap:10px;font-size:var(--fs-14);color:var(--c-muted);line-height:1.7}
.plan-list li i{
  font-style:normal;color:var(--c-lime);font-weight:800;flex-shrink:0;
}
.plan-card .btn{width:100%}

/* ---------- 资讯列表 ---------- */
.news-block{background:#fff;border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border)}
.news-lead{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease;
}
.news-lead:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.news-lead-media{display:block;overflow:hidden;background:#E3DFD6}
.news-lead-media img{width:100%;height:250px;object-fit:cover;transition:transform .4s ease}
.news-lead:hover .news-lead-media img{transform:scale(1.03)}
.news-lead-body{padding:28px;display:flex;flex-direction:column;gap:14px;flex:1}
.news-lead-body h3{font-size:var(--fs-24);font-weight:700;color:var(--c-ink);line-height:1.45}
.news-lead-body h3 a{color:inherit}
.news-lead-body h3 a:hover{color:var(--c-primary)}
.news-lead-body p{font-size:var(--fs-14);color:var(--c-muted);line-height:1.85;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:6px}
.news-meta time{font-size:var(--fs-12);color:var(--c-muted);font-family:system-ui,sans-serif}
.news-list{background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;height:100%}
.news-list li{border-bottom:1px solid var(--c-border)}
.news-list li:last-child{border-bottom:0}
.news-list li a{display:flex;gap:14px;padding:16px;align-items:center;transition:background .2s ease}
.news-list li:hover{background:var(--c-bg)}
.news-thumb{width:96px;height:72px;border-radius:var(--r-sm);overflow:hidden;background:#E3DFD6;flex-shrink:0}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-item-body{flex:1;min-width:0}
.news-item-body h4{
  font-size:var(--fs-16);font-weight:700;color:var(--c-ink);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-list li:hover h4{color:var(--c-primary)}
.news-item-foot{display:flex;align-items:center;gap:10px;margin-top:6px}
.news-item-foot time{font-size:var(--fs-12);color:var(--c-muted);font-family:system-ui,sans-serif}
.empty-state{
  text-align:center;padding:64px 24px;background:#fff;border:1px dashed var(--c-border);border-radius:var(--r-card);
}
.empty-state .empty-icon{
  width:64px;height:64px;border-radius:var(--r-card);background:rgba(18,80,74,.08);
  margin:0 auto 18px;display:flex;align-items:center;justify-content:center;
  color:var(--c-primary);font-weight:800;font-size:var(--fs-20);
}
.empty-state p{font-size:var(--fs-14);color:var(--c-muted);margin-bottom:20px}

/* ---------- FAQ ---------- */
.qa-list{max-width:880px;margin:0 auto}
.qa-item{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;transition:box-shadow .22s ease,border-color .22s ease;
}
.qa-item:hover{box-shadow:var(--sh-1)}
.qa-item.is-open{border-color:rgba(18,80,74,.4);box-shadow:var(--sh-2)}
.qa-head{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:var(--fs-16);font-weight:600;color:var(--c-ink);line-height:1.6;
}
.qa-head:hover{color:var(--c-primary)}
.qa-arrow{
  width:24px;height:24px;flex-shrink:0;color:var(--c-lime);transition:transform .28s ease;
}
.qa-item.is-open .qa-arrow{transform:rotate(180deg)}
.qa-body{max-height:0;overflow:hidden;transition:max-height .34s ease}
.qa-item.is-open .qa-body{max-height:520px}
.qa-body-inner{padding:0 24px 22px;max-width:68ch;font-size:15px;line-height:1.9;color:var(--c-muted);border-top:1px solid var(--c-border);padding-top:14px}

/* ---------- 底部 CTA ---------- */
.cta-band{padding:0 0 var(--sec-pc)}
.cta-inner{
  background:var(--c-ink);border-radius:var(--r-lg);padding:48px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 52px);
}
.cta-inner h2{font-size:var(--fs-24);font-weight:700;color:#fff;line-height:1.45;letter-spacing:-.2px}
.cta-inner p{margin-top:10px;font-size:var(--fs-14);color:rgba(255,255,255,.7);line-height:1.8}
.cta-inner .btn{flex-shrink:0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.78);padding:72px 0 0}
.footer-grid{padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand-mark{border-color:var(--c-lime)}
.footer-brand span{color:#fff;font-size:18px;font-weight:700}
.footer-col h4{font-size:var(--fs-14);font-weight:700;color:var(--c-lime);margin-bottom:18px;letter-spacing:.02em}
.footer-col p{font-size:var(--fs-14);line-height:1.9;color:rgba(255,255,255,.62);max-width:34em}
.footer-col ul{display:flex;flex-direction:column;gap:2px}
.footer-col ul a{
  display:inline-block;font-size:15px;line-height:2.1;color:rgba(255,255,255,.72);transition:color .2s ease,transform .2s ease;
}
.footer-col ul a:hover{color:var(--c-lime);transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:24px 0 32px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:var(--fs-12);color:rgba(255,255,255,.5);line-height:1.8}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .main-nav,.header-cta .btn{display:none}
  .hamburger{display:flex}
  .hero h1{font-size:38px}
  .zrow{gap:36px}
  .value-grid{grid-template-columns:repeat(2,1fr);row-gap:28px}
  .value-item:nth-child(3){border-left:0;padding-left:0}
  .cta-inner{padding:40px}
}
@media screen and (max-width:860px){
  .zrow,.zrow.reverse{flex-direction:column;gap:24px;margin-bottom:56px}
  .zmedia{width:100%}
  .section{padding:var(--sec-mb) 0}
  .section-head{margin-bottom:36px}
  .section-head h2{font-size:var(--fs-24)}
  .hero{padding:48px 0 56px}
  .hero h1{font-size:32px}
  .hero-sub{font-size:var(--fs-16)}
  .hero-visual img{height:240px}
  .hero-stats{gap:28px;margin-top:36px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:32px 24px;gap:24px}
  .cta-inner .btn{width:100%}
  .cta-band{padding-bottom:var(--sec-mb)}
  .plan-card.featured{transform:none}
  .plan-card.featured:hover{transform:translateY(-2px)}
  .footer-grid{padding-bottom:16px}
  .footer-col{margin-bottom:32px}
}
@media screen and (max-width:640px){
  .grid-container{padding-left:20px;padding-right:20px}
  .grid-x.gutter{margin-left:-10px;margin-right:-10px}
  .grid-x.gutter>.cell{padding-left:10px;padding-right:10px;margin-bottom:20px}
  .value-grid{grid-template-columns:1fr;row-gap:22px}
  .value-item{border-left:0;padding:0}
  .hero h1{font-size:28px}
  .hero-actions .btn{width:100%}
  .hero-stats{gap:20px}
  .hero-stats b{font-size:var(--fs-24)}
  .news-lead-media img{height:190px}
  .news-thumb{width:84px;height:64px}
  .qa-head{padding:18px;font-size:15px}
  .qa-body-inner{padding-left:18px;padding-right:18px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

/* roulang page: article */
:root{
  --c-primary:#12504A;
  --c-primary-dark:#0B3A35;
  --c-primary-soft:rgba(18,80,74,.08);
  --c-night:#0D2B28;
  --c-lime:#3FD08A;
  --c-lime-soft:rgba(63,208,138,.16);
  --c-orange:#FF6B2C;
  --c-orange-dark:#E85A1C;
  --c-bg:#F7F5F0;
  --c-card:#FFFFFF;
  --c-text:#14201E;
  --c-muted:#5A6B68;
  --c-border:#E3DFD6;
  --c-danger:#C0392B;
  --r-card:14px;
  --r-sm:10px;
  --r-btn:8px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(13,43,40,.06);
  --sh-2:0 8px 24px rgba(13,43,40,.08);
  --sh-3:0 16px 40px rgba(13,43,40,.14);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px;
  --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-num:"Helvetica Neue",Arial,"Segoe UI",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.9;
  letter-spacing:.01em;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-dark);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:3px solid rgba(63,208,138,.45);
  outline-offset:2px;
  border-radius:4px;
}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:-.01em;font-weight:700;color:var(--c-text);}
p{margin:0 0 1.4em;}
ul{margin:0;padding:0;list-style:none;}
figure{margin:0;}
.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%;}
.grid-container.full{max-width:1440px;}
.section{padding:96px 0;}
.section--tight{padding:64px 0;}
@media (max-width:1024px){.section{padding:64px 0;} .section--tight{padding:48px 0;}}
@media (max-width:640px){.section{padding:56px 0;} .grid-container{padding-left:20px;padding-right:20px;}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-top:3px solid var(--c-primary);
  border-bottom:1px solid var(--c-border);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-5);height:76px;transition:height .25s ease;}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:8px;background:var(--c-primary);
  border:1px solid var(--c-lime);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;letter-spacing:.04em;
}
.brand-name{font-size:18px;font-weight:700;color:var(--c-text);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:28px;}
.main-nav a{
  position:relative;font-size:16px;font-weight:500;color:var(--c-text);padding:6px 0;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--c-lime);
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.main-nav a:hover{color:var(--c-primary);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--c-primary);font-weight:700;}
.main-nav a.is-active::after{transform:scaleX(1);}
.header-cta{display:flex;align-items:center;gap:var(--sp-3);flex:0 0 auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);font-size:16px;font-weight:700;
  border:1.5px solid transparent;white-space:nowrap;transition:all .2s ease;text-align:center;
}
.btn--primary{background:var(--c-orange);color:#fff;box-shadow:0 6px 16px rgba(255,107,44,.22);}
.btn--primary:hover{background:var(--c-orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,107,44,.28);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn--ghost:hover{background:var(--c-primary);color:#fff;transform:translateY(-2px);}
.btn--detail{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn--detail:hover{background:var(--c-primary);color:#fff;}
.btn--lime{background:var(--c-lime);color:var(--c-night);}
.btn--lime:hover{background:#33bb7b;color:var(--c-night);transform:translateY(-2px);}
.btn--block{width:100%;}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--c-primary);}
.text-link i{transition:transform .2s ease;font-size:13px;}
.text-link:hover i{transform:translateX(4px);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-border);background:#fff;
  border-radius:var(--r-sm);color:var(--c-primary);font-size:18px;
}
@media (max-width:1024px){
  .main-nav{display:none;}
  .header-cta .btn--primary{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
}
/* 移动抽屉 */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(13,43,40,.5);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:70;
}
.drawer-overlay.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;left:0;bottom:0;width:300px;max-width:86vw;background:#fff;
  border-left:4px solid var(--c-primary);z-index:80;transform:translateX(-100%);
  transition:transform .28s ease;display:flex;flex-direction:column;padding:24px 22px;
}
.mobile-drawer.is-open{transform:translateX(0);}
.mobile-drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--sp-5);}
.drawer-close{width:38px;height:38px;border-radius:var(--r-sm);border:1px solid var(--c-border);background:#fff;color:var(--c-primary);font-size:16px;}
.mobile-drawer nav{display:flex;flex-direction:column;}
.mobile-drawer nav a{
  font-size:18px;line-height:56px;color:var(--c-text);border-bottom:1px solid var(--c-border);
  opacity:0;transform:translateY(10px);
}
.mobile-drawer.is-open nav a{animation:drawerIn .3s ease forwards;}
.mobile-drawer.is-open nav a:nth-child(1){animation-delay:.03s;}
.mobile-drawer.is-open nav a:nth-child(2){animation-delay:.06s;}
.mobile-drawer.is-open nav a:nth-child(3){animation-delay:.09s;}
.mobile-drawer.is-open nav a:nth-child(4){animation-delay:.12s;}
.mobile-drawer.is-open nav a:nth-child(5){animation-delay:.15s;}
.mobile-drawer nav a.is-active{color:var(--c-primary);font-weight:700;}
@keyframes drawerIn{to{opacity:1;transform:translateY(0);}}
.drawer-foot{margin-top:auto;padding-top:var(--sp-5);}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{padding:20px 0;background:var(--c-bg);}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-muted);}
.breadcrumb a{color:var(--c-muted);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#B8B3A6;}
.breadcrumb .current{color:var(--c-text);font-weight:500;max-width:62ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头 ---------- */
.article-hero{padding:8px 0 0;}
.article-head{max-width:840px;margin:0 auto;padding:24px 0 32px;border-bottom:1px solid var(--c-border);}
.article-head h1{font-size:40px;font-weight:800;letter-spacing:-.5px;line-height:1.3;margin-bottom:22px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:14px;color:var(--c-muted);}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;line-height:1;letter-spacing:.02em;
}
.badge--primary{background:var(--c-primary-soft);color:var(--c-primary);}
.badge--lime{background:var(--c-lime-soft);color:#1E6B4C;}
.badge--tag{background:var(--c-bg);color:var(--c-muted);border:1px solid var(--c-border);}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C7C2B5;display:inline-block;}
.article-cover{
  max-width:1000px;margin:32px auto 0;border-radius:var(--r-lg);overflow:hidden;
  background:#E3DFD6;box-shadow:var(--sh-2);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
@media (max-width:768px){
  .article-head h1{font-size:30px;}
}
@media (max-width:520px){
  .article-head h1{font-size:26px;}
  .breadcrumb .current{white-space:normal;}
}

/* ---------- 正文 ---------- */
.article-body{padding:56px 0 8px;}
.prose{
  max-width:780px;margin:0 auto;font-size:17.5px;line-height:1.9;color:var(--c-text);
}
.prose > *{max-width:100%;}
.prose p{margin:0 0 1.4em;}
.prose h2{
  position:relative;font-size:28px;font-weight:700;margin:48px 0 16px;padding-left:16px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:8px;width:3px;height:22px;background:var(--c-primary);border-radius:2px;
}
.prose h3{font-size:20px;font-weight:700;margin:32px 0 12px;}
.prose h4{font-size:17px;font-weight:700;margin:24px 0 10px;color:var(--c-primary);}
.prose ul,.prose ol{margin:0 0 1.4em;padding-left:0;}
.prose ul li{position:relative;padding-left:24px;line-height:2.0;margin-bottom:6px;}
.prose ul li::before{
  content:"";position:absolute;left:4px;top:.85em;width:7px;height:7px;background:var(--c-lime);border-radius:2px;
}
.prose ol{list-style:none;counter-reset:proseCounter;}
.prose ol li{position:relative;padding-left:32px;line-height:2.0;margin-bottom:8px;counter-increment:proseCounter;}
.prose ol li::before{
  content:counter(proseCounter);position:absolute;left:0;top:.35em;width:20px;height:20px;border-radius:6px;
  background:var(--c-primary);color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.prose blockquote{
  margin:28px 0;padding:24px;border-left:4px solid var(--c-primary);background:var(--c-bg);
  border-radius:0 var(--r-card) var(--r-card) 0;color:#2A3A36;
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{border-radius:var(--r-card);margin:24px auto;}
.prose figure{margin:28px 0;}
.prose figcaption{font-size:14px;color:var(--c-muted);text-align:center;margin-top:10px;}
.prose a{color:var(--c-primary);border-bottom:1px solid rgba(18,80,74,.3);}
.prose a:hover{color:var(--c-orange);border-bottom-color:rgba(255,107,44,.4);}
.prose table{width:100%;border-collapse:collapse;margin:28px 0;font-size:15px;display:block;overflow-x:auto;}
.prose th,.prose td{border:1px solid var(--c-border);padding:12px 14px;text-align:left;white-space:nowrap;}
.prose th{background:var(--c-primary-soft);color:var(--c-primary);font-weight:700;}
.prose tr:nth-child(even) td{background:#FCFBF8;}
.prose code{background:var(--c-bg);border:1px solid var(--c-border);border-radius:6px;padding:2px 6px;font-size:15px;}
.prose hr{border:none;border-top:1px solid var(--c-border);margin:40px 0;}
.empty-state{
  max-width:620px;margin:0 auto;text-align:center;background:#fff;border:1px solid var(--c-border);
  border-radius:var(--r-card);padding:56px 32px;box-shadow:var(--sh-1);
}
.empty-state .empty-icon{
  width:64px;height:64px;border-radius:18px;background:var(--c-bg);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:26px;margin:0 auto 18px;
  border:1px solid var(--c-border);
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--c-muted);font-size:15px;margin-bottom:22px;}
@media (max-width:640px){
  .prose{font-size:17px;}
  .prose h2{font-size:24px;}
}

/* ---------- 文章尾部标签与返回 ---------- */
.article-foot{max-width:780px;margin:0 auto;padding-top:32px;border-top:1px solid var(--c-border);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px;}
.back-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:20px;padding:8px 0 0;}
@media (max-width:520px){.back-row .btn{width:100%;}}

/* ---------- 相关推荐 ---------- */
.related{background:#fff;border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border);}
.section-head{margin-bottom:40px;}
.section-title{display:flex;align-items:center;gap:12px;font-size:30px;font-weight:700;}
.section-title::before{content:"";width:3px;height:18px;background:var(--c-primary);border-radius:2px;}
.section-sub{margin:14px 0 0;font-size:16px;color:var(--c-muted);max-width:64ch;}
.card{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;
  display:flex;flex-direction:column;height:100%;overflow:hidden;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.card-cover{background:#E3DFD6;}
.card-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.card-body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:19px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body p{
  font-size:15px;color:var(--c-muted);line-height:1.8;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-muted);margin-bottom:16px;flex-wrap:wrap;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media (max-width:1024px){.cards-3{grid-template-columns:repeat(2,1fr);}}
@media (max-width:640px){
  .cards-3{display:flex;overflow-x:auto;gap:16px;padding-bottom:12px;padding-right:20px;scroll-snap-type:x mandatory;}
  .cards-3 .card{min-width:82%;scroll-snap-align:start;}
}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--c-night);border-radius:var(--r-lg);padding:48px 48px;color:#F7F5F0;position:relative;overflow:hidden;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.06) 0 1px,transparent 1px 22px);
}
.cta-band-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:10px;}
.cta-band p{color:rgba(247,245,240,.78);margin:0;font-size:16px;max-width:52ch;}
@media (max-width:768px){
  .cta-band{padding:32px 24px;}
  .cta-band-inner{flex-direction:column;align-items:flex-start;}
  .cta-band-inner .btn{width:100%;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-night);color:#F7F5F0;padding:72px 0 32px;margin-top:0;}
.footer-grid{gap:32px;}
.footer-col h4{color:var(--c-lime);font-size:14px;font-weight:700;margin-bottom:18px;letter-spacing:.04em;}
.footer-col p{color:rgba(247,245,240,.72);font-size:15px;line-height:1.9;margin:0;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--c-primary);border-color:var(--c-lime);}
.footer-col ul li{margin-bottom:4px;}
.footer-col ul a{color:rgba(247,245,240,.78);font-size:15px;line-height:2.1;display:inline-block;transition:color .2s ease,transform .2s ease;}
.footer-col ul a:hover{color:var(--c-lime);transform:translateX(2px);}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
}
.footer-bottom p{margin:0;font-size:14px;color:rgba(247,245,240,.6);}
@media (max-width:640px){
  .site-footer{padding:56px 0 28px;}
  .footer-grid{gap:40px;}
  .footer-bottom{flex-direction:column;}
}
/* 覆盖 Foundation 默认观感 */
body,button,input,select,textarea{font-family:var(--font-cn);}
a{color:var(--c-primary);}
a:hover{color:var(--c-primary-dark);}
.grid-x>.cell{min-width:0;}
:focus{outline:none;}
:focus-visible{outline:3px solid rgba(63,208,138,.45);outline-offset:2px;}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --pine:#12504A;
  --pine-dark:#0B3833;
  --night:#0D2B28;
  --lime:#3FD08A;
  --orange:#FF6B2C;
  --orange-dark:#E85A1C;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --text:#14201E;
  --muted:#5A6B68;
  --border:#E3DFD6;
  --warn:#C0392B;

  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --r-btn:8px;

  --sh-1:0 1px 2px rgba(13,43,40,.06);
  --sh-2:0 8px 24px rgba(13,43,40,.08);
  --sh-3:0 16px 40px rgba(13,43,40,.14);

  --fs-12:12px;
  --fs-14:14px;
  --fs-16:16px;
  --fs-17:17px;
  --fs-20:20px;
  --fs-24:24px;
  --fs-30:30px;
  --fs-38:38px;
  --fs-48:48px;

  --sp-4:4px;
  --sp-8:8px;
  --sp-12:12px;
  --sp-16:16px;
  --sp-24:24px;
  --sp-32:32px;
  --sp-48:48px;
  --sp-64:64px;
  --sp-96:96px;

  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:var(--fs-17);
  line-height:1.9;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--pine);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--pine-dark);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(63,208,138,.45);
  outline-offset:2px;
  border-radius:4px;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
h1,h2,h3,h4{line-height:1.35;font-weight:700;color:var(--text);}
p{margin-bottom:1.4em;}
p:last-child{margin-bottom:0;}

/* 覆盖 Foundation 默认观感 */
h1{font-size:var(--fs-48);font-weight:800;letter-spacing:-.5px;}
h2{font-size:var(--fs-30);font-weight:700;}
h3{font-size:var(--fs-20);font-weight:700;}
h4{font-size:var(--fs-16);font-weight:700;}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
@media (min-width:1440px){
  .grid-container{max-width:1200px;}
}

/* ============ 通用工具 ============ */
.gutter{margin-left:-12px;margin-right:-12px;}
.gutter>.cell{padding-left:12px;padding-right:12px;}
.section{padding:var(--sp-96) 0;}
.section--tight{padding:var(--sp-64) 0;}
.section-head{max-width:760px;margin-bottom:var(--sp-48);}
.section-head .sec-title{
  position:relative;
  padding-left:16px;
  margin-bottom:var(--sp-16);
}
.section-head .sec-title::before{
  content:"";
  position:absolute;left:0;top:.28em;
  width:3px;height:18px;
  background:var(--pine);
  border-radius:2px;
}
.section-head .sec-desc{color:var(--muted);font-size:var(--fs-17);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:var(--fs-16);
  font-weight:700;
  white-space:nowrap;
  text-decoration:none;
  transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn-primary{
  background:var(--orange);
  color:#fff;
  box-shadow:0 6px 18px rgba(255,107,44,.24);
}
.btn-primary:hover{
  background:var(--orange-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 12px 26px rgba(255,107,44,.3);
}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{
  background:#fff;
  color:var(--pine);
  border:1.5px solid var(--pine);
}
.btn-ghost:hover{
  background:var(--pine);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 18px;font-size:var(--fs-14);}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:var(--fs-14);
  font-weight:700;
  color:var(--pine);
}
.link-arrow i{transition:transform .22s ease;font-size:12px;}
.link-arrow:hover i{transform:translateX(4px);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 12px;
  border-radius:999px;
  font-size:var(--fs-12);
  font-weight:500;
  line-height:1;
}
.badge-cat{background:rgba(18,80,74,.1);color:var(--pine);}
.badge-lime{background:rgba(63,208,138,.16);color:#186B47;}
.tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  font-size:var(--fs-12);
  color:var(--muted);
  background:var(--bg);
  border:1px solid var(--border);
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  border-top:3px solid var(--pine);
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.header-inner{
  display:flex;
  align-items:center;
  gap:12px;
  height:76px;
  transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  text-decoration:none;
}
.brand-mark{
  width:32px;height:32px;
  border-radius:8px;
  background:var(--pine);
  border:2px solid var(--lime);
  color:#fff;
  font-size:12px;
  font-weight:800;
  letter-spacing:.5px;
  display:flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
}
.brand-text{
  font-size:18px;
  font-weight:700;
  color:var(--text);
  letter-spacing:-.2px;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:2px;
  margin-left:auto;
}
.main-nav a{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:var(--fs-16);
  font-weight:500;
  color:var(--text);
  border-radius:6px;
  text-decoration:none;
}
.main-nav a:hover{color:var(--pine);background:rgba(18,80,74,.06);}
.main-nav a.is-active{color:var(--pine);font-weight:700;}
.main-nav a.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:0;
  height:2px;
  background:var(--lime);
  border-radius:2px;
}
.header-cta{margin-left:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  margin-left:auto;
  border-radius:var(--r-sm);
  border:1px solid var(--border);
  color:var(--pine);
  font-size:18px;
  align-items:center;
  justify-content:center;
  background:#fff;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--bg);border-color:var(--pine);}

/* 移动抽屉 */
.nav-overlay{
  position:fixed;inset:0;
  background:rgba(13,43,40,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;
  z-index:88;
}
.nav-overlay.is-open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;
  top:0;left:0;bottom:0;
  width:min(86vw,360px);
  background:#fff;
  border-left:4px solid var(--pine);
  z-index:90;
  transform:translateX(-102%);
  transition:transform .3s ease;
  display:flex;
  flex-direction:column;
  padding:24px;
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  gap:10px;
  padding-bottom:16px;
  border-bottom:1px solid var(--border);
  margin-bottom:8px;
}
.drawer-links a{
  display:flex;
  align-items:center;
  height:56px;
  font-size:18px;
  color:var(--text);
  border-bottom:1px solid var(--border);
  opacity:0;
  transform:translateY(10px);
  transition:opacity .3s ease,transform .3s ease,color .2s ease;
}
.drawer-links a:hover{color:var(--pine);}
.drawer-links a.is-active{color:var(--pine);font-weight:700;}
.nav-drawer.is-open .drawer-links a{opacity:1;transform:none;}
.nav-drawer.is-open .drawer-links a:nth-child(1){transition-delay:.03s;}
.nav-drawer.is-open .drawer-links a:nth-child(2){transition-delay:.06s;}
.nav-drawer.is-open .drawer-links a:nth-child(3){transition-delay:.09s;}
.nav-drawer.is-open .drawer-links a:nth-child(4){transition-delay:.12s;}
.nav-drawer.is-open .drawer-links a:nth-child(5){transition-delay:.15s;}
.nav-drawer.is-open .drawer-links a:nth-child(6){transition-delay:.18s;}
.drawer-foot{margin-top:auto;padding-top:24px;}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  background:var(--night);
  color:var(--bg);
  min-height:280px;
  display:flex;
  align-items:center;
  overflow:hidden;
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.06) 0 1px,transparent 1px 48px);
  pointer-events:none;
}
.cat-hero .grid-container{position:relative;z-index:1;padding-top:40px;padding-bottom:40px;}
.cat-hero .hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  background:rgba(63,208,138,.14);
  border:1px solid rgba(63,208,138,.4);
  color:var(--lime);
  font-size:var(--fs-12);
  font-weight:500;
  margin-bottom:16px;
}
.cat-hero h1{
  color:#fff;
  font-size:var(--fs-38);
  margin-bottom:14px;
  letter-spacing:-.5px;
}
.cat-hero .hero-sub{
  color:rgba(247,245,240,.78);
  font-size:var(--fs-17);
  max-width:720px;
  margin-bottom:0;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.cat-hero .btn-ghost{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.5);
}
.cat-hero .btn-ghost:hover{background:#fff;color:var(--night);border-color:#fff;}

/* ============ 面包屑 ============ */
.breadcrumb-bar{padding:20px 0;background:var(--bg);border-bottom:1px solid var(--border);}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:var(--fs-14);
  color:var(--muted);
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--pine);}
.breadcrumb .sep{color:var(--border);}
.breadcrumb .current{color:var(--text);font-weight:500;}

/* ============ 目录侧栏 ============ */
.toc-wrap{
  position:sticky;
  top:104px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--sh-1);
}
.toc-title{
  font-size:var(--fs-14);
  font-weight:700;
  color:var(--muted);
  letter-spacing:.06em;
  margin-bottom:12px;
}
.toc{display:flex;flex-direction:column;}
.toc-link{
  display:block;
  padding:10px 0 10px 14px;
  font-size:var(--fs-16);
  color:var(--muted);
  border-left:3px solid transparent;
  transition:color .2s ease,border-color .2s ease,background .2s ease,padding-left .2s ease;
}
.toc-link:hover{color:var(--pine);background:rgba(18,80,74,.04);}
.toc-link.is-active{
  color:var(--pine);
  font-weight:700;
  border-left-color:var(--lime);
  background:rgba(63,208,138,.07);
}
.toc-tip{
  margin-top:20px;
  padding-top:20px;
  border-top:1px solid var(--border);
  font-size:var(--fs-14);
  color:var(--muted);
  line-height:1.8;
}

/* ============ 内容区块 ============ */
.content-col{display:flex;flex-direction:column;gap:var(--sp-64);}
.block h2{
  position:relative;
  padding-left:16px;
  font-size:var(--fs-24);
  margin-bottom:var(--sp-24);
}
.block h2::before{
  content:"";
  position:absolute;left:0;top:.28em;
  width:3px;height:18px;
  background:var(--pine);
  border-radius:2px;
}
.block > p{color:var(--text);margin-bottom:1.4em;}

.figure-card{
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--card);
  box-shadow:var(--sh-1);
  margin-bottom:var(--sp-24);
}
.figure-card img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  background:#E3DFD6;
}
.figure-card figcaption{
  padding:14px 20px;
  font-size:var(--fs-14);
  color:var(--muted);
  border-top:1px solid var(--border);
}

.check-list{display:flex;flex-direction:column;gap:12px;}
.check-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:var(--fs-17);
  color:var(--text);
}
.check-list li::before{
  content:"";
  flex:0 0 auto;
  width:8px;height:8px;
  margin-top:.7em;
  border-radius:2px;
  background:var(--lime);
}

/* 图标矩阵卡 */
.icon-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.icon-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.icon-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(18,80,74,.28);}
.icon-card .ic{
  width:40px;height:40px;
  border-radius:10px;
  background:rgba(63,208,138,.14);
  color:var(--pine);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  margin-bottom:16px;
}
.icon-card h3{font-size:var(--fs-20);margin-bottom:8px;}
.icon-card p{font-size:var(--fs-14);color:var(--muted);margin:0;line-height:1.85;}

/* 非对称要点网格 */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.feature-large{
  grid-column:span 2;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.feature-large:hover{transform:translateY(-2px);box-shadow:var(--sh-3);}
.feature-large img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  background:#E3DFD6;
}
.feature-large .fl-body{padding:24px 28px;}
.feature-large h3{margin-bottom:10px;}
.feature-large p{font-size:var(--fs-16);color:var(--muted);margin-bottom:16px;}
.feature-small{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  padding:24px 28px;
  box-shadow:var(--sh-1);
  display:flex;
  flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.feature-small:hover{transform:translateY(-2px);box-shadow:var(--sh-3);}
.feature-small h3{font-size:var(--fs-20);margin-bottom:10px;}
.feature-small p{font-size:var(--fs-14);color:var(--muted);margin-bottom:16px;}
.feature-small .link-arrow{margin-top:auto;}

/* 场景对照表 */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--border);
  border-radius:var(--r-md);
  background:var(--card);
  box-shadow:var(--sh-1);
}
table.cmp{width:100%;border-collapse:collapse;min-width:620px;}
table.cmp th,table.cmp td{
  padding:16px 20px;
  text-align:left;
  font-size:var(--fs-16);
  border-bottom:1px solid var(--border);
  vertical-align:top;
}
table.cmp thead th{
  background:rgba(18,80,74,.07);
  color:var(--pine);
  font-weight:700;
  font-size:var(--fs-14);
  letter-spacing:.04em;
  white-space:nowrap;
}
table.cmp tbody tr:last-child td{border-bottom:none;}
table.cmp tbody tr:hover{background:var(--bg);}
table.cmp td:first-child{font-weight:700;color:var(--text);}

/* 误区小卡 */
.mistake-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.mistake-card{
  background:var(--card);
  border:1px solid var(--border);
  border-left:3px solid var(--orange);
  border-radius:var(--r-md);
  padding:22px 24px;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.mistake-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);}
.mistake-card h3{font-size:var(--fs-16);margin-bottom:8px;display:flex;align-items:center;gap:8px;}
.mistake-card h3 i{color:var(--orange);font-size:14px;}
.mistake-card p{font-size:var(--fs-14);color:var(--muted);margin:0;line-height:1.85;}

/* ============ 四步流程 ============ */
.steps-band{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.step{
  position:relative;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  padding:24px;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-2);background:#fff;}
.step-num{
  display:flex;
  align-items:center;
  justify-content:center;
  width:40px;height:40px;
  border-radius:10px;
  background:var(--pine);
  color:#fff;
  font-size:var(--fs-16);
  font-weight:800;
  margin-bottom:16px;
}
.step h3{font-size:var(--fs-20);margin-bottom:8px;}
.step p{font-size:var(--fs-14);color:var(--muted);margin:0;line-height:1.85;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:box-shadow .22s ease,border-color .22s ease;
}
.faq-item:hover{box-shadow:var(--sh-2);}
.faq-item.is-open{border-color:rgba(18,80,74,.3);box-shadow:var(--sh-2);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  font-size:var(--fs-16);
  font-weight:700;
  color:var(--text);
  text-align:left;
  line-height:1.6;
}
.faq-q:hover{color:var(--pine);}
.faq-q .faq-icon{
  flex:0 0 auto;
  font-size:16px;
  color:var(--lime);
  transition:transform .3s ease;
}
.faq-item.is-open .faq-q .faq-icon{transform:rotate(180deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s ease;
}
.faq-a .faq-a-inner{
  padding:0 24px 22px;
  font-size:var(--fs-14);
  line-height:1.9;
  color:var(--muted);
  max-width:68ch;
}

/* ============ CTA 条 ============ */
.cta-section{padding:0 0 var(--sp-96);}
.cta-inner{
  position:relative;
  background:var(--night);
  border-radius:var(--r-lg);
  padding:48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  overflow:hidden;
  color:var(--bg);
}
.cta-inner::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 56px);
  pointer-events:none;
}
.cta-text{position:relative;z-index:1;max-width:640px;}
.cta-text h2{color:#fff;font-size:var(--fs-24);margin-bottom:10px;}
.cta-text p{color:rgba(247,245,240,.75);font-size:var(--fs-16);margin:0;}
.cta-inner .btn{position:relative;z-index:1;flex:0 0 auto;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--night);
  color:var(--bg);
  padding:var(--sp-64) 0 0;
}
.footer-grid{padding-bottom:var(--sp-48);}
.footer-col{margin-bottom:32px;}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.footer-brand .brand-mark{width:32px;height:32px;}
.footer-col p{
  font-size:var(--fs-14);
  color:rgba(247,245,240,.7);
  line-height:1.9;
  margin-bottom:0;
}
.footer-col h4{
  font-size:var(--fs-14);
  font-weight:700;
  color:var(--lime);
  margin-bottom:16px;
  letter-spacing:.04em;
}
.footer-col ul{display:flex;flex-direction:column;}
.footer-col ul li a{
  display:inline-block;
  font-size:15px;
  line-height:2.1;
  color:rgba(247,245,240,.78);
  transition:color .2s ease,transform .2s ease;
}
.footer-col ul li a:hover{color:var(--lime);transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:24px 0 32px;
  display:flex;
  flex-wrap:wrap;
  gap:12px 32px;
  justify-content:space-between;
}
.footer-bottom p{
  font-size:var(--fs-14);
  color:rgba(247,245,240,.6);
  margin:0;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .main-nav{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:flex;}
  .toc-wrap{position:static;margin-bottom:32px;}
  .content-col{gap:48px;}
  .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .feature-large{grid-column:span 2;}
}
@media (max-width:900px){
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:768px){
  h1{font-size:30px;}
  .cat-hero h1{font-size:30px;}
  h2{font-size:24px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .section-head{margin-bottom:32px;}
  .icon-grid{grid-template-columns:1fr;}
  .mistake-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:32px 24px;}
  .cta-inner .btn{width:100%;}
  .cta-section{padding-bottom:56px;}
}
@media (max-width:640px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .gutter{margin-left:-8px;margin-right:-8px;}
  .gutter>.cell{padding-left:8px;padding-right:8px;}
  body{font-size:var(--fs-16);}
  .feature-grid{grid-template-columns:1fr;}
  .feature-large{grid-column:span 1;}
  .steps{grid-template-columns:1fr;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .footer-col{margin-bottom:28px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category2 */
:root{
  --brand:#12504A;
  --brand-dark:#0B3A35;
  --night:#0D2B28;
  --lime:#3FD08A;
  --orange:#FF6B2C;
  --orange-dark:#E85A1C;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --text:#14201E;
  --muted:#5A6B68;
  --border:#E3DFD6;
  --warn:#C0392B;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-num:"SF Pro Text","Segoe UI",system-ui,sans-serif;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --r-btn:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(13,43,40,.06);
  --sh-2:0 8px 24px rgba(13,43,40,.08);
  --sh-3:0 16px 40px rgba(13,43,40,.14);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px; --sp-10:128px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.9;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--text)}
h1{font-size:42px;font-weight:800;letter-spacing:-0.5px}
h2{font-size:30px;font-weight:700}
h3{font-size:20px;font-weight:700}
p{margin:0 0 1.4em}
p:last-child{margin-bottom:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark)}
img{max-width:100%;display:block}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(63,208,138,.45);outline-offset:2px;border-radius:4px}
::selection{background:rgba(63,208,138,.3)}

.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section-alt{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}

.section-title{position:relative;padding-left:16px;font-size:30px;font-weight:700;margin-bottom:14px}
.section-title::before{content:"";position:absolute;left:0;top:7px;width:3px;height:18px;background:var(--brand);border-radius:2px}
.section-sub{color:var(--muted);font-size:17px;max-width:64ch;margin-bottom:44px}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.section-head-row .section-title{margin-bottom:8px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:16px;font-weight:700;letter-spacing:.02em;white-space:nowrap;
  border:1.5px solid transparent;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand);color:#fff}
.btn-ghost-light{background:transparent;color:#F7F5F0;border-color:rgba(247,245,240,.55)}
.btn-ghost-light:hover{background:#F7F5F0;color:var(--night);border-color:#F7F5F0}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--brand)}
.btn-text .arw{transition:transform .2s ease}
.btn-text:hover .arw{transform:translateX(4px)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:700;letter-spacing:.02em;
}
.badge-brand{background:rgba(18,80,74,.1);color:var(--brand)}
.badge-lime{background:rgba(63,208,138,.16);color:#1F7A50}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;color:var(--muted);
  background:var(--bg);border:1px solid var(--border);
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;border-top:3px solid var(--brand);border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px;transition:height .25s ease}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--text);letter-spacing:-.2px}
.brand:hover{color:var(--text)}
.brand-mark{
  width:32px;height:32px;border-radius:8px;background:var(--brand);
  display:flex;align-items:center;justify-content:center;
  color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.04em;
  border:1.5px solid var(--lime);flex:0 0 auto;
}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  position:relative;display:inline-flex;align-items:center;height:76px;padding:0 14px;
  font-size:16px;font-weight:500;color:var(--text);transition:color .2s ease,height .25s ease;
}
.site-header.is-scrolled .main-nav a{height:64px}
.main-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:16px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.main-nav a:hover{color:var(--brand)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--brand);font-weight:700}
.main-nav a.is-active::after{transform:scaleX(1)}
.header-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  background:#fff;border:1px solid var(--border);cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--brand);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle:hover{border-color:var(--brand)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-drawer{
  position:fixed;inset:0;z-index:120;background:rgba(13,43,40,.45);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.mobile-drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;top:0;left:0;bottom:0;width:min(84vw,340px);
  background:#fff;border-left:4px solid var(--brand);
  display:flex;flex-direction:column;padding:24px 0 0;
  transform:translateX(-100%);transition:transform .3s ease;
}
.mobile-drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 20px 20px;border-bottom:1px solid var(--border)}
.drawer-close{width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--border);background:#fff;color:var(--brand);font-size:18px;cursor:pointer}
.drawer-close:hover{border-color:var(--brand)}
.drawer-nav{padding:12px 0;flex:1;overflow-y:auto}
.drawer-nav a{
  display:flex;align-items:center;height:56px;padding:0 20px;
  font-size:18px;font-weight:500;color:var(--text);border-bottom:1px solid var(--bg);
  opacity:0;transform:translateY(10px);
}
.mobile-drawer.is-open .drawer-nav a{animation:drawerIn .3s ease forwards}
.mobile-drawer.is-open .drawer-nav a:nth-child(1){animation-delay:.03s}
.mobile-drawer.is-open .drawer-nav a:nth-child(2){animation-delay:.06s}
.mobile-drawer.is-open .drawer-nav a:nth-child(3){animation-delay:.09s}
.mobile-drawer.is-open .drawer-nav a:nth-child(4){animation-delay:.12s}
.mobile-drawer.is-open .drawer-nav a:nth-child(5){animation-delay:.15s}
.drawer-nav a.is-active{color:var(--brand);font-weight:700;box-shadow:inset 3px 0 0 var(--lime)}
@keyframes drawerIn{to{opacity:1;transform:translateY(0)}}
.drawer-foot{padding:20px;border-top:1px solid var(--border)}
.drawer-foot .btn{width:100%}
body.drawer-open{overflow:hidden}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(247,245,240,.72);padding:24px 0 0}
.breadcrumb a{color:rgba(247,245,240,.86)}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .cur{color:#fff}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;min-height:340px;display:flex;align-items:center;
  background-image:linear-gradient(90deg,rgba(13,43,40,.88) 0%,rgba(13,43,40,.68) 52%,rgba(13,43,40,.5) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;background-repeat:no-repeat;
  color:#F7F5F0;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.9) 0 1px,transparent 1px 22px);
}
.page-hero .grid-container{position:relative;z-index:2;width:100%}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(63,208,138,.16);border:1px solid rgba(63,208,138,.45);color:var(--lime);
  font-size:13px;font-weight:700;letter-spacing:.04em;margin-bottom:18px}
.page-hero h1{color:#fff;font-size:44px;max-width:18ch;margin-bottom:16px}
.page-hero .lead{font-size:19px;line-height:1.85;color:rgba(247,245,240,.86);max-width:56ch;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 数据点 ---------- */
.stat-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:34px;max-width:620px}
.stat-row .num{font-family:var(--font-num);font-size:30px;font-weight:800;color:var(--lime);line-height:1.2}
.stat-row .lbl{font-size:14px;color:rgba(247,245,240,.74)}

/* ---------- 卖点条 ---------- */
.value-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-md);
  box-shadow:var(--sh-2);overflow:hidden;
}
.value-item{display:flex;gap:14px;padding:26px 24px;border-left:1px solid var(--border)}
.value-item:first-child{border-left:none}
.value-ico{
  width:40px;height:40px;flex:0 0 auto;border-radius:var(--r-sm);
  background:rgba(18,80,74,.08);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;
}
.value-item h3{font-size:16px;margin-bottom:4px}
.value-item p{font-size:14px;color:var(--muted);line-height:1.75;margin:0}

/* ---------- 功能卡网格（1 大 + 6 小） ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.feature-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(18,80,74,.25)}
.feature-card .thumb{overflow:hidden;background:var(--border);aspect-ratio:16/9}
.feature-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.feature-card:hover .thumb img{transform:scale(1.04)}
.feature-card .body{padding:24px;display:flex;flex-direction:column;flex:1}
.feature-card h3{font-size:19px;margin-bottom:10px}
.feature-card p{font-size:15px;color:var(--muted);line-height:1.85;margin-bottom:16px}
.feature-card .btn-text{margin-top:auto}
.feature-lead{grid-column:span 2;display:grid;grid-template-columns:1.05fr 1fr}
.feature-lead .thumb{aspect-ratio:auto;height:100%;min-height:260px}
.feature-lead .body{padding:32px;justify-content:center}
.feature-lead h3{font-size:24px}
.feature-lead p{font-size:16px}
.feature-lead .tag-row{margin-bottom:18px}
.feature-card.is-flat .body{padding:22px 22px 24px}
.flat-ico{
  width:44px;height:44px;border-radius:var(--r-sm);background:rgba(18,80,74,.08);
  color:var(--brand);display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:16px;font-weight:800;margin-bottom:16px;
}

/* ---------- 对比表 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--r-md);background:#fff;box-shadow:var(--sh-1)}
table.cmp{border-collapse:collapse;width:100%;min-width:760px;font-size:15px}
table.cmp thead th{
  background:rgba(18,80,74,.08);color:var(--brand);font-weight:700;font-size:15px;
  text-align:left;padding:16px 20px;border-bottom:1px solid var(--border);white-space:nowrap;
}
table.cmp tbody td{padding:15px 20px;border-bottom:1px solid var(--border);color:var(--text);vertical-align:top;line-height:1.75}
table.cmp tbody tr:last-child td{border-bottom:none}
table.cmp tbody tr:hover td{background:var(--bg)}
table.cmp td:first-child{font-weight:700;color:var(--brand);white-space:nowrap}
table.cmp td .ok{color:#1F7A50;font-weight:700}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.step{background:#fff;border:1px solid var(--border);border-radius:var(--r-md);padding:26px 24px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.step .no{
  width:40px;height:40px;border-radius:var(--r-sm);background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-family:var(--font-num);
  font-size:16px;font-weight:800;margin-bottom:16px;
}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:15px;color:var(--muted);line-height:1.85;margin:0}

/* ---------- 场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.scene-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r-md);padding:28px 26px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(18,80,74,.25)}
.scene-card h3{font-size:20px;margin-bottom:10px}
.scene-card p{font-size:15px;color:var(--muted);line-height:1.85;margin-bottom:18px}
.scene-card .tag-row{margin-top:auto}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--r-md);margin-bottom:12px;box-shadow:var(--sh-1);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:rgba(18,80,74,.25)}
.faq-item.is-open{box-shadow:var(--sh-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:none;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-q:hover{color:var(--brand)}
.faq-q .arrow{flex:0 0 auto;width:24px;height:24px;color:var(--lime);transition:transform .3s ease;font-size:14px;font-family:var(--font-num);font-weight:800;display:flex;align-items:center;justify-content:center}
.faq-item.is-open .faq-q{color:var(--brand)}
.faq-item.is-open .faq-q .arrow{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--muted);max-width:68ch}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--night);border-radius:var(--r-lg);padding:48px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;color:#F7F5F0;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.9) 0 1px,transparent 1px 26px);
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:10px}
.cta-band p{color:rgba(247,245,240,.8);font-size:16px;margin:0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--night);color:#F7F5F0;padding:72px 0 0;margin-top:96px}
.site-footer h4{color:var(--lime);font-size:14px;font-weight:700;letter-spacing:.06em;margin-bottom:18px}
.footer-grid{padding-bottom:56px;row-gap:40px}
.footer-col{display:flex;flex-direction:column}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.08)}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(247,245,240,.7);margin-bottom:0}
.footer-col ul li{margin-bottom:2px}
.footer-col ul a{display:inline-block;font-size:15px;font-weight:400;line-height:2.1;color:rgba(247,245,240,.82);transition:color .2s ease,transform .2s ease}
.footer-col ul a:hover{color:var(--lime);transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(247,245,240,.6);margin:0}

@media (max-width:1024px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .header-cta .btn{display:none}
  .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feature-lead{grid-column:span 2;grid-template-columns:1fr}
  .feature-lead .thumb{min-height:220px;aspect-ratio:16/9}
  .value-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .value-item:nth-child(3){border-left:none}
  .value-item:nth-child(1),.value-item:nth-child(2){border-bottom:1px solid var(--border)}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section{padding:72px 0}
  .page-hero h1{font-size:38px}
}
@media (max-width:640px){
  body{font-size:16px}
  .grid-container{padding-left:20px;padding-right:20px}
  .section{padding:56px 0}
  .section-sub{margin-bottom:32px}
  h2,.section-title{font-size:24px}
  .page-hero{min-height:300px}
  .page-hero h1{font-size:30px}
  .page-hero .lead{font-size:16px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .stat-row{grid-template-columns:1fr;gap:14px}
  .stat-row .num{font-size:26px}
  .feature-grid{grid-template-columns:1fr}
  .feature-lead{grid-column:span 1}
  .value-strip{grid-template-columns:1fr}
  .value-item{border-left:none;border-bottom:1px solid var(--border)}
  .value-item:last-child{border-bottom:none}
  .steps{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px}
  .cta-band .btn{width:100%}
  .faq-q{padding:18px 18px;font-size:15px}
  .faq-a-inner{padding:0 18px 20px}
  .site-footer{padding:56px 0 0;margin-top:64px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root{
  --c-primary:#12504A;
  --c-primary-dark:#0B332F;
  --c-dark:#0D2B28;
  --c-accent:#3FD08A;
  --c-cta:#FF6B2C;
  --c-cta-hover:#E85A1C;
  --c-bg:#F7F5F0;
  --c-card:#FFFFFF;
  --c-text:#14201E;
  --c-text-2:#5A6B68;
  --c-border:#E3DFD6;
  --c-warn:#C0392B;
  --r-card:14px;
  --r-sm:10px;
  --r-btn:8px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(13,43,40,.06);
  --sh-2:0 8px 24px rgba(13,43,40,.08);
  --sh-3:0 16px 40px rgba(13,43,40,.14);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,transform .2s ease}
a:hover{color:var(--c-primary-dark)}
p{margin:0 0 1.4em}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700}
ul{margin:0;padding:0;list-style:none}
button,input,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:3px solid rgba(63,208,138,.45);outline-offset:2px}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto}
.no-scroll{overflow:hidden}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-border);transition:box-shadow .25s ease}
.site-header::before{content:"";display:block;height:3px;background:var(--c-primary)}
.header-inner{display:flex;align-items:center;gap:24px;height:76px;transition:height .25s ease}
.site-header.is-scrolled{box-shadow:var(--sh-2)}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:32px;height:32px;border-radius:8px;background:var(--c-primary);border:1.5px solid var(--c-accent);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:800;letter-spacing:.02em}
.brand-text{font-size:18px;font-weight:700;color:var(--c-text)}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.main-nav a{position:relative;padding:10px 14px;border-radius:8px;font-size:16px;color:var(--c-text)}
.main-nav a:hover{color:var(--c-primary);background:rgba(18,80,74,.06)}
.main-nav a.is-active{color:var(--c-primary);font-weight:700}
.main-nav a.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--c-accent)}
.header-cta{flex:0 0 auto}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--c-border);border-radius:var(--r-sm);background:#fff;cursor:pointer;padding:0}
.nav-toggle span{display:block;width:20px;height:2px;margin:4px auto;border-radius:2px;background:var(--c-text);transition:transform .25s ease,opacity .25s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;z-index:80;background:rgba(13,43,40,.5);opacity:0;transition:opacity .25s ease}
.drawer-mask.is-open{opacity:1}
.mobile-drawer{position:fixed;top:0;left:0;bottom:0;width:min(86vw,380px);z-index:90;background:#fff;border-left:4px solid var(--c-primary);display:flex;flex-direction:column;transform:translateX(-102%);transition:transform .3s ease}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{padding:20px 24px;border-bottom:1px solid var(--c-border);display:flex;align-items:center;gap:10px}
.drawer-nav{flex:1;overflow-y:auto;padding:12px 0}
.drawer-nav a{display:block;font-size:18px;line-height:56px;padding:0 24px;color:var(--c-text);opacity:0;transform:translateY(8px)}
.drawer-nav a.is-active{color:var(--c-primary);font-weight:700;background:rgba(18,80,74,.06)}
.mobile-drawer.is-open .drawer-nav a{animation:drawerIn .3s ease forwards}
.mobile-drawer.is-open .drawer-nav a:nth-child(1){animation-delay:.04s}
.mobile-drawer.is-open .drawer-nav a:nth-child(2){animation-delay:.07s}
.mobile-drawer.is-open .drawer-nav a:nth-child(3){animation-delay:.1s}
.mobile-drawer.is-open .drawer-nav a:nth-child(4){animation-delay:.13s}
.mobile-drawer.is-open .drawer-nav a:nth-child(5){animation-delay:.16s}
@keyframes drawerIn{to{opacity:1;transform:translateY(0)}}
.drawer-foot{padding:20px 24px 28px;border-top:1px solid var(--c-border)}
.drawer-foot .btn{width:100%}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);font-size:16px;font-weight:500;border:1.5px solid transparent;cursor:pointer;white-space:nowrap;transition:all .2s ease}
.btn-primary{background:var(--c-cta);color:#fff}
.btn-primary:hover{background:var(--c-cta-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary);color:#fff}
.btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-line:hover{background:#fff;color:var(--c-dark)}
.btn-sm{height:40px;padding:0 18px;font-size:15px}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:500;font-size:15px}
.btn-text .arrow{transition:transform .2s ease}
.btn-text:hover .arrow{transform:translateX(4px)}

/* ---------- 徽章与标签 ---------- */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;background:rgba(18,80,74,.1);color:var(--c-primary);font-weight:500}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;background:var(--c-bg);color:var(--c-text-2);border:1px solid var(--c-border)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 20px}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{background:#fff;border-bottom:1px solid var(--c-border)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-text-2);padding:20px 0}
.breadcrumb a{color:var(--c-text-2)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:var(--c-border)}
.breadcrumb .current{color:var(--c-text)}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;color:#fff;background:linear-gradient(rgba(13,43,40,.74),rgba(13,43,40,.68)),url("/assets/images/backpic/back-2.png") center/cover no-repeat}
.page-hero::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,rgba(255,255,255,.06) 0 1px,transparent 1px 56px);pointer-events:none}
.page-hero .grid-container{position:relative;z-index:2;padding-top:64px;padding-bottom:64px;min-height:380px;display:flex;flex-direction:column;justify-content:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;align-self:flex-start;height:28px;padding:0 14px;border-radius:var(--r-pill);border:1px solid rgba(63,208,138,.55);color:var(--c-accent);font-size:13px;margin-bottom:20px}
.page-hero h1{font-size:44px;font-weight:800;letter-spacing:-.5px;margin-bottom:18px;color:#fff;max-width:22ch}
.page-hero .hero-sub{font-size:18px;line-height:1.85;color:rgba(247,245,240,.86);max-width:62ch;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-meta{display:flex;flex-wrap:wrap;gap:24px;margin-top:32px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12)}
.hero-meta div{font-size:14px;color:rgba(247,245,240,.7)}
.hero-meta strong{display:block;font-size:26px;font-weight:800;color:var(--c-accent);line-height:1.4}

/* ---------- 区块通用 ---------- */
.sec{padding:96px 0}
.sec--tight{padding:64px 0 0}
.sec-head{margin-bottom:40px;max-width:76ch}
.sec-head h2{position:relative;padding-left:16px;font-size:30px;font-weight:700;margin-bottom:12px}
.sec-head h2::before{content:"";position:absolute;left:0;top:.3em;width:3px;height:18px;border-radius:2px;background:var(--c-primary)}
.sec-head p{color:var(--c-text-2);font-size:16px;margin:0}
.bg-white{background:#fff;border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border)}

/* ---------- 适配一览条 ---------- */
.highlight-strip{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
.highlight-item{display:flex;gap:14px;padding:26px 24px;border-left:1px solid var(--c-border)}
.highlight-item:first-child{border-left:0}
.hl-icon{flex:0 0 auto;width:36px;height:36px;border-radius:var(--r-sm);background:rgba(18,80,74,.08);display:grid;place-items:center;color:var(--c-primary)}
.highlight-item h3{font-size:16px;font-weight:700;margin-bottom:6px}
.highlight-item p{font-size:14px;line-height:1.85;color:var(--c-text-2);margin:0}

/* ---------- Z 型图文 ---------- */
.zigzag{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.zigzag + .zigzag{margin-top:72px}
.zigzag-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-border);background:var(--c-border);aspect-ratio:16/9;box-shadow:var(--sh-1)}
.zigzag-media img{width:100%;height:100%}
.zigzag.is-reverse .zigzag-media{order:2}
.zigzag-body h3{font-size:24px;font-weight:700;margin-bottom:16px}
.zigzag-body p{color:var(--c-text-2);margin-bottom:0}
.zigzag-index{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--c-primary);font-weight:700;margin-bottom:12px}
.zigzag-index::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--c-accent)}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.flow-step{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease}
.flow-step:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.flow-num{width:40px;height:40px;border-radius:10px;background:var(--c-primary);color:#fff;font-weight:800;display:grid;place-items:center;margin-bottom:16px}
.flow-step h3{font-size:17px;font-weight:700;margin-bottom:8px}
.flow-step p{font-size:14px;line-height:1.85;color:var(--c-text-2);margin:0}

/* ---------- 对比表 ---------- */
.compare-wrap{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.table-scroll{overflow-x:auto}
table.compare{width:100%;border-collapse:collapse;font-size:15px;min-width:640px}
table.compare th,table.compare td{padding:15px 20px;text-align:left;border-bottom:1px solid var(--c-border)}
table.compare thead th{background:rgba(18,80,74,.06);color:var(--c-primary);font-weight:700;font-size:15px}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare tbody tr:hover{background:var(--c-bg)}
table.compare td:first-child{color:var(--c-text-2);width:180px}
.compare-cards{display:grid;gap:16px}
.compare-card{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px}
.compare-card h3{font-size:17px;font-weight:700;color:var(--c-primary);margin-bottom:12px}
.compare-card dl{margin:0;display:grid;grid-template-columns:96px 1fr;gap:8px 12px;font-size:14px}
.compare-card dt{color:var(--c-text-2)}
.compare-card dd{margin:0}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease;display:flex;flex-direction:column}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3)}
.scene-card img{width:100%;aspect-ratio:16/9}
.scene-body{padding:24px;flex:1;display:flex;flex-direction:column}
.scene-body h3{font-size:18px;font-weight:700;margin-bottom:10px}
.scene-body p{font-size:15px;line-height:1.85;color:var(--c-text-2);margin-bottom:16px}
.scene-body .btn-text{margin-top:auto}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow .25s ease}
.faq-item.is-open{box-shadow:var(--sh-2)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:20px 24px;background:none;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--c-text);cursor:pointer}
.faq-icon{flex:0 0 auto;width:24px;height:24px;color:var(--c-accent);transition:transform .25s ease}
.faq-item.is-open .faq-icon{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease}
.faq-item.is-open .faq-a{max-height:420px;padding-top:12px}
.faq-a p{padding:0 24px 22px;margin:0;font-size:15px;line-height:1.9;color:var(--c-text-2);max-width:68ch}

/* ---------- CTA 条 ---------- */
.cta-wrap{padding:0 0 96px}
.cta-band{position:relative;overflow:hidden;background:var(--c-dark);border-radius:var(--r-lg);padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.cta-band::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,rgba(255,255,255,.06) 0 1px,transparent 1px 56px);pointer-events:none}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:26px;font-weight:700;color:#fff;margin-bottom:10px}
.cta-band p{color:rgba(247,245,240,.78);font-size:16px;margin:0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#F7F5F0;padding:72px 0 0}
.footer-grid{margin-left:-12px;margin-right:-12px}
.footer-col{padding-left:12px;padding-right:12px;margin-bottom:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.08)}
.site-footer p{color:rgba(247,245,240,.74);font-size:15px;line-height:1.9;margin:0 0 14px;max-width:38ch}
.footer-col h4{font-size:14px;font-weight:700;color:var(--c-accent);margin-bottom:16px}
.footer-col li{margin-bottom:8px}
.footer-col a{display:inline-block;color:#F7F5F0;font-size:15px;line-height:2.1;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:var(--c-accent);transform:translateX(2px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:24px;padding:24px 0 32px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}
.footer-bottom p{color:rgba(247,245,240,.6);font-size:13px;margin:0;max-width:none}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1280px){
  .flow{grid-template-columns:repeat(2,1fr)}
}
@media screen and (max-width:1023px){
  .main-nav,.header-cta{display:none}
  .nav-toggle{display:block;margin-left:auto}
  .page-hero h1{font-size:36px}
  .highlight-strip{grid-template-columns:repeat(2,1fr)}
  .highlight-item:nth-child(3){border-left:0}
  .highlight-item:nth-child(n+3){border-top:1px solid var(--c-border)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .zigzag{gap:32px}
}
@media screen and (max-width:767px){
  body{font-size:16px}
  .grid-container{padding-left:20px;padding-right:20px}
  .sec{padding:56px 0}
  .sec--tight{padding:40px 0 0}
  .sec-head{margin-bottom:28px}
  .sec-head h2{font-size:24px}
  .page-hero .grid-container{padding-top:44px;padding-bottom:44px;min-height:0}
  .page-hero h1{font-size:28px;max-width:none}
  .page-hero .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .hero-meta{gap:16px}
  .hero-meta strong{font-size:22px}
  .highlight-strip{grid-template-columns:1fr}
  .highlight-item{border-left:0;border-top:1px solid var(--c-border)}
  .highlight-item:first-child{border-top:0}
  .zigzag{grid-template-columns:1fr;gap:20px}
  .zigzag.is-reverse .zigzag-media{order:0}
  .zigzag + .zigzag{margin-top:48px}
  .zigzag-body h3{font-size:20px}
  .flow{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px}
  .cta-band .btn{width:100%}
  .cta-wrap{padding-bottom:56px}
  .site-footer{padding-top:56px}
  .footer-bottom{flex-direction:column}
  .faq-q{padding:18px 20px;font-size:15px}
  .faq-a p{padding:0 20px 20px}
}

/* roulang page: category4 */
:root{
  --brand:#12504A;
  --brand-deep:#0D2B28;
  --brand-hover:#0B3A35;
  --lime:#3FD08A;
  --orange:#FF6B2C;
  --orange-dark:#E85A1C;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --text:#14201E;
  --muted:#5A6B68;
  --border:#E3DFD6;
  --danger:#C0392B;
  --fs-12:12px;
  --fs-14:14px;
  --fs-16:16px;
  --fs-17:17px;
  --fs-20:20px;
  --fs-24:24px;
  --fs-30:30px;
  --fs-38:38px;
  --fs-48:48px;
  --sp-4:4px;
  --sp-8:8px;
  --sp-12:12px;
  --sp-16:16px;
  --sp-24:24px;
  --sp-32:32px;
  --sp-48:48px;
  --sp-64:64px;
  --sp-96:96px;
  --r-card:14px;
  --r-sm:10px;
  --r-btn:8px;
  --r-pill:999px;
  --r-lg:18px;
  --sh-1:0 1px 2px rgba(13,43,40,.06);
  --sh-2:0 8px 24px rgba(13,43,40,.08);
  --sh-3:0 16px 40px rgba(13,43,40,.14);
  --header-h:73px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:var(--fs-17);
  line-height:1.9;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
}
h1,h2,h3,h4{margin:0;line-height:1.35;color:var(--text);}
h1{font-size:var(--fs-38);font-weight:800;letter-spacing:-.5px;}
h2{font-size:var(--fs-30);font-weight:700;}
h3{font-size:var(--fs-20);font-weight:700;}
h4{font-size:var(--fs-16);font-weight:700;}
p{margin:0 0 1.4em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-hover);}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:3px solid rgba(63,208,138,.45);outline-offset:2px;}
::selection{background:rgba(63,208,138,.3);}
.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.grid-x{display:flex;flex-wrap:wrap;}
.grid-x.gutter{margin-left:-12px;margin-right:-12px;}
.grid-x.gutter>.cell{padding-left:12px;padding-right:12px;}
.small-12{width:100%;}
@media screen and (min-width:640px){
  .medium-6{width:50%;}
}
@media screen and (min-width:1024px){
  .large-3{width:25%;}
  .large-4{width:33.3333%;}
  .large-5{width:41.6667%;}
  .large-7{width:58.3333%;}
  .large-8{width:66.6667%;}
}
.section{padding:var(--sp-96) 0;}
.section-tight{padding:var(--sp-64) 0;}
.section-head{margin-bottom:var(--sp-48);max-width:760px;}
.section-head .mark{display:inline-block;width:3px;height:18px;background:var(--brand);vertical-align:-2px;margin-right:10px;border-radius:2px;}
.section-head h2{display:flex;align-items:center;}
.section-head p{margin-top:var(--sp-12);color:var(--muted);font-size:var(--fs-16);max-width:68ch;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:var(--fs-16);font-weight:500;white-space:nowrap;cursor:pointer;
  border:1.5px solid transparent;transition:all .2s ease;text-align:center;
}
.btn-primary{background:var(--orange);color:#fff;border-color:var(--orange);}
.btn-primary:hover{background:var(--orange-dark);border-color:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-secondary{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-secondary:hover{background:var(--brand);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-secondary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:var(--lime);}
.btn-sm{height:40px;padding:0 18px;font-size:var(--fs-14);}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-weight:500;color:var(--brand);border:0;background:none;padding:0;cursor:pointer;}
.btn-text i,.btn-text svg{transition:transform .2s ease;}
.btn-text:hover{color:var(--brand-hover);}
.btn-text:hover i{transform:translateX(4px);}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:var(--fs-12);line-height:1;}
.badge-cat{background:rgba(18,80,74,.1);color:var(--brand);}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);font-size:var(--fs-12);color:var(--muted);background:var(--bg);border:1px solid var(--border);margin:0 8px 8px 0;}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);}
/* header */
.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--border);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.top-line{height:3px;background:var(--brand);}
.header-inner{display:flex;align-items:center;gap:var(--sp-32);height:var(--header-h);transition:height .25s ease;}
.site-header.is-scrolled .header-inner{height:61px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:32px;height:32px;border-radius:8px;background:var(--brand);
  color:var(--lime);display:flex;align-items:center;justify-content:center;
  font-size:var(--fs-12);font-weight:800;letter-spacing:.5px;
  border:1px solid rgba(63,208,138,.75);box-shadow:inset 0 0 0 1px rgba(63,208,138,.25);
}
.brand-text{font-size:18px;font-weight:700;color:var(--text);letter-spacing:.01em;}
.brand:hover .brand-text{color:var(--brand);}
.main-nav{display:flex;align-items:center;gap:var(--sp-24);margin-left:auto;}
.main-nav a{
  position:relative;font-size:var(--fs-16);color:var(--text);padding:6px 0;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.main-nav a:hover{color:var(--brand);}
.main-nav a:hover::after,.main-nav a.is-active::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--brand);font-weight:500;}
.header-actions{display:flex;align-items:center;gap:var(--sp-12);flex-shrink:0;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--border);border-radius:var(--r-sm);
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);transition:all .25s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.drawer-mask{position:fixed;inset:0;background:rgba(13,43,40,.5);opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:110;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;left:0;height:100%;width:min(86vw,360px);
  background:#fff;border-left:4px solid var(--brand);z-index:120;
  transform:translateX(-105%);transition:transform .32s ease;
  padding:var(--sp-24);display:flex;flex-direction:column;
  box-shadow:var(--sh-3);overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.mobile-drawer .drawer-brand{display:flex;align-items:center;gap:10px;margin-bottom:var(--sp-24);}
.drawer-link{
  display:block;font-size:18px;line-height:56px;color:var(--text);
  border-bottom:1px solid var(--border);opacity:0;
}
.mobile-drawer.is-open .drawer-link{animation:drawerIn .3s ease forwards;}
.mobile-drawer.is-open .drawer-link:nth-child(1){animation-delay:.03s;}
.mobile-drawer.is-open .drawer-link:nth-child(2){animation-delay:.06s;}
.mobile-drawer.is-open .drawer-link:nth-child(3){animation-delay:.09s;}
.mobile-drawer.is-open .drawer-link:nth-child(4){animation-delay:.12s;}
.mobile-drawer.is-open .drawer-link:nth-child(5){animation-delay:.15s;}
.drawer-link.is-active{color:var(--brand);font-weight:700;}
.drawer-link:hover{color:var(--brand);}
.drawer-cta{margin-top:auto;padding-top:var(--sp-24);}
@keyframes drawerIn{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:none;}}
@media screen and (max-width:1023.98px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn{display:none;}
  .header-inner{height:64px;gap:var(--sp-16);}
  .site-header.is-scrolled .header-inner{height:60px;}
}
/* breadcrumb */
.breadcrumb-bar{padding:20px 0;border-bottom:1px solid var(--border);background:#fff;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:var(--fs-14);color:var(--muted);}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#B9B2A6;}
.breadcrumb .current{color:var(--text);}
/* hero */
.page-hero{
  position:relative;background:var(--brand-deep);color:#F7F5F0;overflow:hidden;
  padding:var(--sp-64) 0 var(--sp-64);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.06) 0 1px,transparent 1px 56px);
  pointer-events:none;
}
.page-hero .hero-inner{position:relative;z-index:1;}
.hero-copy h1{color:#fff;font-size:var(--fs-38);margin-bottom:var(--sp-16);}
.hero-copy .hero-sub{color:rgba(247,245,240,.78);font-size:var(--fs-17);max-width:60ch;margin-bottom:var(--sp-24);}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:var(--sp-24);}
.hero-tags .tag{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);color:rgba(247,245,240,.86);margin:0;}
.search-panel{
  display:flex;gap:var(--sp-12);background:#fff;border-radius:var(--r-sm);
  padding:10px;box-shadow:var(--sh-2);max-width:640px;
}
.search-panel input{
  flex:1;min-width:0;height:48px;border:1px solid var(--border);border-radius:var(--r-sm);
  padding:0 16px;font-size:var(--fs-16);background:var(--bg);
}
.search-panel input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(63,208,138,.18);}
.search-panel .btn{height:48px;}
.search-hint{margin-top:12px;font-size:var(--fs-14);color:rgba(247,245,240,.6);}
.hero-visual{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.12);
  box-shadow:var(--sh-3);
}
.hero-visual img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;}
/* quick cards */
.q-grid{margin-bottom:-24px;}
.q-grid>.cell{margin-bottom:24px;}
.q-card{display:block;padding:26px;height:100%;color:inherit;}
.q-card:hover{color:inherit;}
.q-card .q-icon{
  width:44px;height:44px;border-radius:var(--r-sm);background:rgba(18,80,74,.08);
  color:var(--brand);display:flex;align-items:center;justify-content:center;
  font-size:18px;margin-bottom:var(--sp-16);
}
.q-card:hover .q-icon{background:var(--brand);color:var(--lime);}
.q-card h3{font-size:var(--fs-16);margin-bottom:8px;}
.q-card p{font-size:var(--fs-14);color:var(--muted);line-height:1.75;margin:0;}
/* faq */
.faq-layout{align-items:flex-start;}
.faq-group{margin-bottom:var(--sp-32);}
.faq-group-title{
  display:flex;align-items:center;gap:10px;font-size:var(--fs-20);font-weight:700;margin-bottom:var(--sp-16);
}
.faq-group-title .dot{width:8px;height:8px;border-radius:50%;background:var(--lime);flex-shrink:0;}
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);margin-bottom:12px;overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{box-shadow:var(--sh-2);}
.faq-item.is-open{border-color:rgba(18,80,74,.35);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:var(--fs-16);font-weight:500;color:var(--text);line-height:1.6;
}
.faq-q:hover{color:var(--brand);}
.faq-q i{color:var(--lime);font-size:18px;transition:transform .25s ease;flex-shrink:0;}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{
  padding:0 24px 12px;font-size:var(--fs-14);line-height:1.9;color:var(--muted);max-width:68ch;
}
/* form */
.form-card{padding:26px;position:sticky;top:96px;}
.form-card h2{font-size:var(--fs-20);margin-bottom:8px;}
.form-card .form-intro{font-size:var(--fs-14);color:var(--muted);margin-bottom:var(--sp-24);}
.form-field{margin-bottom:var(--sp-16);}
.form-field label{display:block;font-size:var(--fs-14);font-weight:500;margin-bottom:8px;color:var(--text);}
.form-field .req{color:var(--orange);margin-left:4px;}
.form-field input,.form-field textarea{
  width:100%;height:48px;border:1px solid var(--border);border-radius:var(--r-sm);
  background:#fff;padding:0 14px;font-size:var(--fs-16);transition:border-color .2s ease,box-shadow .2s ease;
}
.form-field textarea{height:120px;padding:12px 14px;line-height:1.7;resize:vertical;}
.form-field input:focus,.form-field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(63,208,138,.18);}
.form-field.has-error input,.form-field.has-error textarea{border-color:var(--danger);}
.field-error{font-size:var(--fs-14);color:var(--danger);margin-top:6px;line-height:1.6;}
.form-note{font-size:var(--fs-12);color:var(--muted);margin-top:12px;line-height:1.7;}
.alert{display:flex;gap:10px;align-items:flex-start;border-radius:var(--r-sm);padding:12px 14px;font-size:var(--fs-14);line-height:1.7;margin-bottom:var(--sp-16);}
.alert-success{background:rgba(63,208,138,.14);border-top:3px solid var(--lime);color:#12504A;}
.alert-warning{background:rgba(192,57,43,.08);border-top:3px solid var(--danger);color:var(--danger);}
/* cta band */
.cta-band{
  background:var(--brand-deep);border-radius:var(--r-lg);padding:var(--sp-48);
  color:#F7F5F0;display:flex;align-items:center;justify-content:space-between;gap:var(--sp-32);
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.06) 0 1px,transparent 1px 56px);
  pointer-events:none;
}
.cta-band .cta-text{position:relative;z-index:1;}
.cta-band h2{color:#fff;font-size:var(--fs-24);margin-bottom:8px;}
.cta-band p{color:rgba(247,245,240,.75);font-size:var(--fs-16);margin:0;}
.cta-band .cta-action{position:relative;z-index:1;flex-shrink:0;}
@media screen and (max-width:767.98px){
  .cta-band{flex-direction:column;align-items:stretch;padding:var(--sp-32) var(--sp-24);}
  .cta-band .cta-action .btn{width:100%;}
}
/* footer */
.site-footer{background:var(--brand-deep);color:#F7F5F0;padding:var(--sp-64) 0 var(--sp-32);}
.footer-grid{margin-bottom:var(--sp-48);}
.footer-col{margin-bottom:var(--sp-32);}
.footer-col h4{color:var(--lime);font-size:var(--fs-14);margin-bottom:var(--sp-16);letter-spacing:.02em;}
.footer-col p{color:rgba(247,245,240,.7);font-size:15px;line-height:1.9;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:var(--sp-16);}
.footer-col ul li a{display:inline-block;color:rgba(247,245,240,.78);font-size:15px;line-height:2.1;transition:color .2s ease,transform .2s ease;}
.footer-col ul li a:hover{color:var(--lime);transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:var(--sp-24);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:var(--fs-14);color:rgba(247,245,240,.6);
}
.footer-bottom p{margin:0;}
@media screen and (max-width:767.98px){
  .footer-grid{gap:var(--sp-24);}
  .section{padding:56px 0;}
  .section-tight{padding:40px 0;}
  .grid-container{padding-left:20px;padding-right:20px;}
  h1,.hero-copy h1{font-size:var(--fs-30);}
  h2{font-size:var(--fs-24);}
  .search-panel{flex-direction:column;padding:12px;}
  .search-panel .btn{width:100%;}
  .form-card{position:static;margin-top:var(--sp-32);}
  .footer-bottom{flex-direction:column;}
}