/* roulang page: index */
:root{
  --brand:#0F8A7E;
  --brand-dark:#0A5F58;
  --brand-deep:#0B3B36;
  --brand-light:#E6F5F1;
  --accent:#FF7A2F;
  --bg:#F5F8F7;
  --bg-alt:#EDF4F2;
  --card:#FFFFFF;
  --text:#12211F;
  --text-2:#4A5C58;
  --text-3:#7C8F8B;
  --line:#DCE7E4;
  --line-soft:#EDF4F2;
  --grad:linear-gradient(135deg,#0F8A7E 0%,#2FB79B 52%,#7FE0C6 100%);
  --grad-deep:linear-gradient(150deg,rgba(11,59,54,.92) 0%,rgba(15,138,126,.55) 60%,rgba(15,138,126,0) 100%);
  --radius-lg:24px;
  --radius:20px;
  --radius-sm:14px;
  --radius-xs:12px;
  --shadow:0 1px 2px rgba(18,33,31,.04),0 10px 28px -14px rgba(15,138,126,.18);
  --shadow-hover:0 18px 40px -16px rgba(15,138,126,.32);
  --t:220ms cubic-bezier(.2,.7,.3,1);
  --bs-primary:#0F8A7E;
  --bs-body-color:#12211F;
  --bs-body-bg:#F5F8F7;
  --bs-border-radius:14px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.offcanvas-open{overflow:hidden;}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-0.01em;}
p{margin:0;}
a{color:var(--brand-dark);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--brand);}
img{max-width:100%;display:block;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{max-width:1160px;padding-left:20px;padding-right:20px;margin:0 auto;}
@media (min-width:1200px){.container{max-width:1160px;}}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;z-index:2000;}
.skip-link:focus{left:0;color:#fff;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid #E6EFEC;
  box-shadow:0 2px 12px rgba(18,33,31,.05);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(18,33,31,.09);}
.nav-bar{display:flex;align-items:center;gap:20px;min-height:70px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;flex:0 0 auto;
  box-shadow:0 8px 18px -10px rgba(15,138,126,.8);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-size:17px;font-weight:800;color:var(--brand-deep);letter-spacing:-0.02em;white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:14px;flex:1 1 auto;}
.nav-menu a{
  display:inline-block;padding:8px 14px;border-radius:999px;font-size:15px;font-weight:600;
  color:var(--text-2);border-bottom:1px solid transparent;transition:all var(--t);
}
.nav-menu a:hover{color:var(--brand);background:var(--brand-light);}
.nav-menu a.active{color:var(--brand-dark);background:var(--brand-light);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{position:relative;}
.nav-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:14px;}
.nav-search input{
  width:228px;height:42px;border-radius:999px;border:1px solid var(--line);
  background:var(--bg);padding:0 16px 0 38px;font-size:14px;transition:all var(--t);
}
.nav-search input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(15,138,126,.16);}
.btn-brand{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 22px;border-radius:999px;
  background:var(--accent);color:#fff;font-weight:700;font-size:15px;border:0;
  box-shadow:0 10px 22px -12px rgba(255,122,47,.9);transition:all var(--t);
}
.btn-brand:hover{color:#fff;filter:brightness(1.06);transform:translateY(-1px);}
.nav-toggle{
  margin-left:auto;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--brand-deep);border-radius:2px;}
.offcanvas{background:#fff;}
.offcanvas-header{border-bottom:1px solid var(--line-soft);}
.oc-link{display:flex;align-items:center;justify-content:space-between;height:48px;padding:0 4px;font-size:16px;font-weight:600;color:var(--text-2);border-bottom:1px solid var(--line-soft);}
.oc-link:hover,.oc-link.active{color:var(--brand);}
.oc-footer{position:absolute;left:0;right:0;bottom:0;padding:16px 20px 22px;border-top:1px solid var(--line-soft);background:#fff;}
.oc-footer .btn-brand{width:100%;justify-content:center;height:48px;}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{margin-bottom:40px;max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand-dark);background:var(--brand-light);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}
h2.sec-title{font-size:32px;font-weight:700;line-height:1.32;position:relative;padding-left:18px;}
h2.sec-title::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:26px;border-radius:4px;background:var(--grad);
}
.sec-sub{margin-top:14px;color:var(--text-2);font-size:16.5px;}
.sec-link{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--brand-dark);font-size:15px;}
.sec-link i{transition:transform var(--t);}
.sec-link:hover i{transform:translateX(4px);}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;height:50px;padding:0 28px;
  border-radius:999px;border:0;background:var(--accent);color:#fff;font-weight:700;font-size:16px;
  box-shadow:0 14px 26px -14px rgba(255,122,47,.95);transition:all var(--t);
}
.btn-main:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;height:50px;padding:0 26px;
  border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--brand-dark);
  font-weight:700;font-size:16px;transition:all var(--t);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;
  border-radius:999px;border:0;background:var(--grad);color:#fff;font-weight:700;font-size:15.5px;
  box-shadow:0 14px 26px -16px rgba(15,138,126,.95);transition:all var(--t);width:100%;
}
.btn-grad:hover{color:#fff;filter:brightness(1.05);transform:translateY(-1px);}
.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 22px;width:100%;
  border-radius:999px;border:1.5px solid var(--brand);color:var(--brand-dark);font-weight:700;background:#fff;transition:all var(--t);
}
.btn-outline-brand:hover{background:var(--brand-light);color:var(--brand-dark);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;padding:72px 0 84px;
  background:linear-gradient(165deg,#E6F5F1 0%,#F7FBFA 48%,#FFFFFF 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:linear-gradient(rgba(15,138,126,.9) 1px,transparent 1px),linear-gradient(90deg,rgba(15,138,126,.9) 1px,transparent 1px);
  background-size:56px 56px;
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--brand-dark);font-size:13.5px;font-weight:600;margin-bottom:20px;
}
.hero-badge i{color:var(--accent);}
.hero h1{font-size:48px;font-weight:800;line-height:1.2;letter-spacing:-0.02em;}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{margin-top:20px;font-size:17.5px;color:var(--text-2);max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;}
.stat{
  display:inline-flex;align-items:baseline;gap:6px;height:30px;padding:0 12px;border-radius:999px;
  background:var(--brand-light);color:var(--brand-dark);font-size:12.5px;font-weight:600;line-height:30px;
}
.stat b{font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1;}
.stat-outline{background:#fff;border:1px solid transparent;background-image:linear-gradient(#fff,#fff),var(--grad);background-origin:border-box;background-clip:padding-box,border-box;}
.hero-visual{position:relative;}
.hero-figure{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 28px 60px -30px rgba(11,59,54,.55);}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(150deg,rgba(11,59,54,.86) 0%,rgba(15,138,126,.42) 52%,rgba(15,138,126,0) 100%);}
.hero-caption{position:absolute;left:24px;bottom:24px;right:24px;color:#fff;z-index:3;}
.hero-caption strong{display:block;font-size:19px;font-weight:700;}
.hero-caption span{display:block;font-size:13.5px;color:rgba(255,255,255,.82);margin-top:4px;}
.float-card{
  position:absolute;display:flex;gap:12px;align-items:center;background:#fff;border-radius:16px;
  padding:14px 18px;box-shadow:0 18px 40px -20px rgba(11,59,54,.5);z-index:4;
}
.float-card i{font-size:20px;color:var(--brand);width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:var(--brand-light);border-radius:10px;}
.float-card b{display:block;font-size:16px;font-weight:800;font-variant-numeric:tabular-nums;}
.float-card span{display:block;font-size:12.5px;color:var(--text-3);}
.float-a{top:24px;left:-26px;}
.float-b{bottom:34px;right:-22px;}

/* ---------- 亮点非对称栅格 ---------- */
.feature-grid{display:grid;gap:24px;grid-template-columns:repeat(12,1fr);}
.fcard{
  background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius);padding:26px;
  box-shadow:var(--shadow);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  display:flex;flex-direction:column;gap:12px;
}
.fcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#CDE8E1;}
.fcard-lg{grid-column:span 7;}
.fcard-md{grid-column:span 5;}
.fcard-sm{grid-column:span 4;}
.fcard h3{font-size:19px;font-weight:600;line-height:1.45;}
.fcard p{color:var(--text-2);font-size:15.5px;}
.fcard-media{border-radius:var(--radius-sm);overflow:hidden;}
.fcard-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.fcard-icon{
  width:48px;height:48px;border-radius:14px;background:var(--brand-light);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;font-size:20px;
}
.fcard-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
  background:var(--bg-alt);color:var(--brand-dark);font-size:12.5px;font-weight:600;
}
.tag-accent{background:rgba(255,122,47,.12);color:#B54E12;}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:52px;}
.timeline::before{
  content:"";position:absolute;left:12px;top:10px;bottom:10px;width:4px;border-radius:4px;background:var(--grad);
}
.tl-item{position:relative;padding-bottom:26px;}
.tl-item:last-child{padding-bottom:0;}
.tl-node{
  position:absolute;left:-52px;top:18px;width:26px;height:26px;border-radius:50%;
  background:#fff;border:2px solid var(--brand);display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:800;color:var(--brand-dark);font-variant-numeric:tabular-nums;transition:transform var(--t);
}
.tl-item:first-child .tl-node{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 0 0 6px rgba(15,138,126,.14);}
.tl-item:hover .tl-node{transform:scale(1.15);}
.tl-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius);padding:24px 26px;
  box-shadow:var(--shadow);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#CDE8E1;}
.tl-card h3{font-size:20px;font-weight:600;margin-bottom:8px;}
.tl-card p{color:var(--text-2);font-size:15.5px;}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:12px;}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}

/* ---------- 方案对比 ---------- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.plan{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 26px;display:flex;flex-direction:column;gap:16px;box-shadow:var(--shadow);transition:all var(--t);
}
.plan:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.plan-featured{
  border:2px solid transparent;background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;transform:scale(1.03);
  box-shadow:0 24px 50px -26px rgba(15,138,126,.55);z-index:2;
}
.plan-featured:hover{transform:scale(1.03) translateY(-3px);}
.plan-flag{
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--accent);color:#fff;
  font-size:12.5px;font-weight:700;height:28px;line-height:28px;padding:0 16px;border-radius:999px;white-space:nowrap;
  box-shadow:0 10px 20px -10px rgba(255,122,47,.9);
}
.plan h3{font-size:20px;font-weight:700;}
.plan-cond{font-size:14px;color:var(--text-3);}
.plan-key{font-size:26px;font-weight:800;color:var(--brand-dark);font-variant-numeric:tabular-nums;letter-spacing:-0.02em;}
.plan-key small{font-size:13px;font-weight:600;color:var(--text-3);margin-left:6px;}
.plan-list{display:flex;flex-direction:column;gap:10px;margin:4px 0 8px;}
.plan-list li{display:flex;gap:10px;font-size:15px;color:var(--text-2);}
.plan-list i{color:var(--brand);font-size:14px;margin-top:6px;}
.plan .btn-grad,.plan .btn-outline-brand{margin-top:auto;}

.compare{margin-top:44px;border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow);}
.ct-row{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;}
.ct-row:nth-child(odd){background:#fff;}
.ct-row:nth-child(even){background:var(--bg);}
.ct-head{background:var(--brand-light)!important;}
.ct-head .ct-cell{font-weight:700;color:var(--brand-dark);font-size:15px;}
.ct-cell{padding:15px 20px;font-size:15px;color:var(--text-2);border-right:1px solid var(--line-soft);min-height:52px;display:flex;align-items:center;}
.ct-cell:last-child{border-right:0;}
.ct-label{font-weight:600;color:var(--text);}

/* ---------- 内容列表 ---------- */
.news-card{
  height:100%;background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);transition:transform var(--t),box-shadow var(--t),border-color var(--t);display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#CDE8E1;}
.news-cover{position:relative;display:block;overflow:hidden;}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 420ms cubic-bezier(.2,.7,.3,1);}
.news-card:hover .news-cover img{transform:scale(1.04);}
.news-cat{
  position:absolute;left:14px;top:14px;height:26px;line-height:26px;padding:0 12px;border-radius:999px;
  background:rgba(255,255,255,.94);color:var(--brand-dark);font-size:12.5px;font-weight:700;
}
.news-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.news-title{font-size:18px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a{color:var(--text);}
.news-title a:hover{color:var(--brand);}
.news-summary{
  font-size:15px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line-soft);display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.news-meta .go{display:inline-flex;align-items:center;gap:6px;color:var(--brand-dark);font-weight:600;}
.news-card:hover .news-meta .go i{transform:translateX(3px);}
.news-meta .go i{transition:transform var(--t);}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius-lg);padding:56px 24px;text-align:center;
}
.empty-state .ico{
  width:96px;height:96px;border-radius:50%;background:var(--brand-light);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;font-size:34px;margin:0 auto 20px;
}
.empty-state b{display:block;font-size:18px;}
.empty-state span{display:block;color:var(--text-3);font-size:14.5px;margin-top:8px;}
.empty-state a{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-weight:700;}

/* ---------- 证据 ---------- */
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.proof{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);
  transition:transform var(--t),box-shadow var(--t);
}
.proof:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.proof b{display:block;font-size:34px;font-weight:800;color:var(--brand-dark);font-variant-numeric:tabular-nums;line-height:1.2;letter-spacing:-0.02em;}
.proof span{display:block;color:var(--text-3);font-size:14px;margin-top:6px;}
.proof p{margin-top:12px;color:var(--text-2);font-size:14.5px;line-height:1.75;}

/* ---------- FAQ ---------- */
.faq .accordion-item{
  border:0;border-bottom:1px solid var(--line-soft);background:#fff;
}
.faq .accordion-item:last-child{border-bottom:0;}
.faq .accordion-button{
  background:#fff;font-size:17px;font-weight:600;color:var(--text);padding:22px 22px;box-shadow:none;
}
.faq .accordion-button:not(.collapsed){color:var(--brand-dark);background:#fff;box-shadow:none;}
.faq .accordion-button::after{
  content:"+";background-image:none;width:32px;height:32px;border-radius:50%;background:var(--brand-light);
  color:var(--brand-dark);font-size:20px;font-weight:600;display:flex;align-items:center;justify-content:center;
  line-height:1;transition:transform var(--t);margin-left:auto;flex:0 0 auto;
}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq .accordion-body{padding:0 22px 24px;font-size:15px;color:var(--text-2);line-height:1.85;}
.faq-wrap{background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);}

/* ---------- CTA 表单 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,#0B3B36 0%,#0F8A7E 58%,#2FB79B 100%);
  padding:52px;color:#fff;
}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.07;pointer-events:none;
  background-image:radial-gradient(circle at 20% 20%,#fff 2px,transparent 2px),radial-gradient(circle at 70% 60%,#fff 2px,transparent 2px);
  background-size:90px 90px,120px 120px;
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:center;}
.cta-band h2{color:#fff;font-size:32px;font-weight:700;line-height:1.32;}
.cta-band .lead{margin-top:16px;color:rgba(255,255,255,.82);font-size:16.5px;}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.cta-points li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:rgba(255,255,255,.92);}
.cta-points i{color:#7FE0C6;margin-top:6px;}
.form-card{background:#fff;border-radius:var(--radius-lg);padding:30px 28px;box-shadow:0 30px 60px -30px rgba(0,0,0,.45);}
.form-card h3{font-size:20px;font-weight:700;margin-bottom:6px;}
.form-card .hint{font-size:13.5px;color:var(--text-3);margin-bottom:20px;}
.form-label{font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px;}
.form-control,.form-select{
  height:48px;border-radius:var(--radius-xs);border:1px solid var(--line);background:#fff;font-size:15px;
  padding:0 14px;transition:all var(--t);color:var(--text);
}
textarea.form-control{height:auto;padding:12px 14px;line-height:1.7;}
.form-control:focus,.form-select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,138,126,.16);}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:14px;line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand span{color:#fff;font-weight:800;font-size:16.5px;}
.site-footer p{font-size:14px;line-height:1.85;}
.footer-links li{margin-bottom:12px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:all var(--t);display:inline-block;}
.footer-links a:hover{color:#7FE0C6;transform:translateX(2px);}
.footer-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:12px;align-items:flex-start;}
.footer-contact i{color:#7FE0C6;margin-top:5px;}
.footer-cta{margin-top:20px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero h1{font-size:42px;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .hero{padding:52px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:34px;}
  .hero-visual{order:2;}
  .float-a{left:12px;top:14px;}
  .float-b{right:12px;bottom:14px;}
  .fcard-lg,.fcard-md,.fcard-sm{grid-column:span 6;}
  .plans{grid-template-columns:1fr;}
  .plan-featured{transform:none;}
  .plan-featured:hover{transform:translateY(-3px);}
  .proof-grid{grid-template-columns:repeat(2,1fr);}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .cta-band{padding:34px 26px;}
  .cta-band h2{font-size:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  .section{padding:48px 0;}
  h2.sec-title{font-size:24px;}
  .sec-sub{font-size:15.5px;}
  .hero h1{font-size:29px;}
  .hero-sub{font-size:16px;}
  .hero-stats{gap:10px;}
  .stat{height:28px;line-height:28px;}
  .stat b{font-size:17px;}
  .fcard-lg,.fcard-md,.fcard-sm{grid-column:span 12;}
  .timeline{padding-left:38px;}
  .timeline::before{left:9px;}
  .tl-node{left:-38px;top:16px;width:22px;height:22px;font-size:10px;}
  .tl-card{padding:20px;}
  .ct-row{grid-template-columns:1fr;border-bottom:1px solid var(--line-soft);}
  .ct-row:last-child{border-bottom:0;}
  .ct-head{display:none;}
  .ct-cell{border-right:0;padding:10px 18px;min-height:auto;display:block;}
  .ct-cell::before{content:attr(data-label);display:block;font-size:12.5px;color:var(--text-3);font-weight:600;margin-bottom:3px;}
  .ct-label{background:var(--bg);font-size:15.5px;}
  .ct-label::before{display:none;}
  .proof-grid{grid-template-columns:1fr;}
  .cta-band{padding:28px 20px;border-radius:20px;}
  .form-card{padding:24px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{font-size:12.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --brand:#0F8A7E;
  --brand-deep:#0A5F58;
  --brand-ink:#0A3B36;
  --brand-soft:#E6F5F1;
  --brand-grad:linear-gradient(135deg,#0F8A7E 0%,#2FB79B 52%,#7FE0C6 100%);
  --accent:#FF7A2F;
  --bg:#F5F8F7;
  --alt:#EDF4F2;
  --card:#FFFFFF;
  --ink:#12211F;
  --ink-2:#4A5C58;
  --ink-3:#7C8F8B;
  --line:#DCE7E4;
  --line-soft:#EDF4F2;
  --footer-bg:#0B3B36;
  --ok:#2FA36B;
  --warn:#E0A106;
  --err:#D9534F;
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,33,31,.04),0 10px 28px -14px rgba(15,138,126,.18);
  --sh-2:0 18px 40px -16px rgba(15,138,126,.32);
  --ease:220ms cubic-bezier(.2,.7,.3,1);
  --maxw:1160px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-deep);text-decoration:none;transition:color var(--ease),opacity var(--ease)}
a:hover{color:var(--brand)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--ink);letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.num{font-variant-numeric:tabular-nums}

/* ---------- Bootstrap 覆写 ---------- */
.btn-primary,.btn-check:checked+.btn,.btn:first-child:active{
  --bs-btn-bg:var(--brand);--bs-btn-border-color:var(--brand);
  --bs-btn-hover-bg:var(--brand-deep);--bs-btn-hover-border-color:var(--brand-deep);
  --bs-btn-active-bg:var(--brand-deep);--bs-btn-active-border-color:var(--brand-deep);
}
.card{border:1px solid var(--line-soft);border-radius:var(--r-lg);box-shadow:var(--sh-1);background:var(--card)}
.accordion{--bs-accordion-border-width:0;--bs-accordion-border-radius:var(--r-lg);--bs-accordion-btn-focus-box-shadow:none}
.accordion-item{border:0;border-bottom:1px solid var(--line-soft);background:transparent}
.accordion-button{background:transparent;font-weight:600;font-size:17px;color:var(--ink);padding:20px 48px 20px 4px;box-shadow:none}
.accordion-button:not(.collapsed){color:var(--brand-deep);background:transparent}
.accordion-button::after{display:none}
.accordion-body{padding:0 4px 22px;color:var(--ink-2);font-size:15px;line-height:1.85}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid #E6EFEC;box-shadow:0 2px 12px rgba(18,33,31,.05);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(18,33,31,.10)}
.nav-bar{display:flex;align-items:center;gap:24px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:11px;background:var(--brand-grad);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0;
  box-shadow:0 8px 18px -10px rgba(15,138,126,.7);
}
.brand-mark svg{width:21px;height:21px}
.brand-text{font-weight:800;font-size:18px;color:var(--brand-ink);letter-spacing:-.02em;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:6px;margin:0 auto}
.nav-menu a{
  display:inline-block;padding:9px 14px;font-size:15px;font-weight:600;color:var(--ink-2);
  border-radius:var(--r-pill);position:relative;transition:color var(--ease),background var(--ease);
}
.nav-menu a:hover{color:var(--brand)}
.nav-menu a.active{color:var(--brand-deep);background:var(--brand-soft)}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search i{position:absolute;left:14px;font-size:13px;color:var(--ink-3);pointer-events:none}
.nav-search input{
  width:238px;height:42px;padding:0 16px 0 36px;border:1px solid var(--line);
  border-radius:var(--r-pill);background:#F8FBFA;font-size:14px;outline:none;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search input:focus{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,138,126,.16)}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 22px;
  border-radius:var(--r-pill);background:var(--brand-grad);color:#fff;font-weight:700;font-size:15px;
  box-shadow:0 12px 24px -14px rgba(15,138,126,.9);transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(15,138,126,.95);filter:brightness(1.05)}
.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;width:100%;
  border:0;border-radius:var(--r-pill);background:linear-gradient(135deg,#FF7A2F 0%,#FF9A5C 100%);
  color:#fff;font-weight:700;font-size:16px;cursor:pointer;
  box-shadow:0 14px 28px -16px rgba(255,122,47,.95);transition:transform var(--ease),filter var(--ease),box-shadow var(--ease);
}
.btn-grad:hover{color:#fff;transform:translateY(-1px);filter:brightness(1.06)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;
  border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;color:var(--brand-deep);
  font-weight:600;font-size:15px;transition:border-color var(--ease),color var(--ease),transform var(--ease);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.nav-toggle{
  width:44px;height:44px;margin-left:auto;border:1px solid var(--line);border-radius:12px;background:#fff;
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:19px;height:2px;border-radius:2px;background:var(--brand-ink)}
.nav-drawer{border-left:0;box-shadow:-20px 0 40px rgba(18,33,31,.14)}
.nav-drawer .offcanvas-header{border-bottom:1px solid var(--line-soft);padding:18px 20px}
.nav-drawer .brand-text{font-size:16px}
.nav-drawer .offcanvas-body{padding:8px 20px 20px;display:flex;flex-direction:column}
.nav-drawer .offcanvas-body a.drawer-link{
  display:flex;align-items:center;height:48px;font-size:16px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line-soft);
}
.nav-drawer .offcanvas-body a.drawer-link:hover{color:var(--brand)}
.drawer-cta{margin-top:auto;padding-top:20px;position:sticky;bottom:0;background:#fff}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--bg);border-bottom:1px solid var(--line-soft);padding:16px 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#B8C7C3}
.crumb .now{color:var(--ink-2);max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头 ---------- */
.article-hero{padding:48px 0 8px}
.article-hero .inner{max-width:860px}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand-deep);font-size:13px;font-weight:700;
}
.article-hero h1{
  font-size:38px;line-height:1.28;font-weight:800;letter-spacing:-.02em;margin:18px 0 16px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--ink-3)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C3D2CE}
.article-cover{margin:28px 0 0;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---------- 主体布局 ---------- */
.article-main{padding:40px 0 72px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start}
.article-panel{
  background:var(--card);border:1px solid var(--line-soft);border-radius:var(--r-xl);
  box-shadow:var(--sh-1);padding:36px 40px 40px;max-width:800px;
}

/* ---------- 正文排版 ---------- */
.prose{font-size:17px;line-height:1.9;color:#1B2C29}
.prose p{margin:0 0 1.2em}
.prose h2{
  font-size:22px;line-height:1.4;margin:2em 0 .8em;padding-left:16px;position:relative;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--brand-grad);
}
.prose h3{font-size:18px;margin:1.6em 0 .6em;color:var(--brand-ink)}
.prose h4{font-size:17px;margin:1.4em 0 .5em}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:0}
.prose ul li{position:relative;padding-left:20px;margin-bottom:.55em}
.prose ul li::before{content:"";position:absolute;left:4px;top:.75em;width:6px;height:6px;border-radius:50%;background:var(--brand)}
.prose ol{counter-reset:li;padding-left:0}
.prose ol li{position:relative;padding-left:28px;margin-bottom:.55em;counter-increment:li}
.prose ol li::before{
  content:counter(li);position:absolute;left:0;top:.28em;width:20px;height:20px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand-deep);font-size:12px;font-weight:800;
  display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;
}
.prose blockquote{
  margin:1.4em 0;padding:18px 22px;background:var(--brand-soft);border-left:4px solid var(--brand);
  border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--brand-ink);font-size:16px;line-height:1.85;
}
.prose img{border-radius:var(--r-md);margin:1.4em auto;box-shadow:var(--sh-1)}
.prose figure{margin:1.6em 0}
.prose figcaption,.prose .caption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:.7em}
.prose table{width:100%;border-collapse:separate;border-spacing:0;margin:1.4em 0;font-size:15px;overflow:hidden;border:1px solid var(--line);border-radius:var(--r-md)}
.prose table th{background:var(--brand-soft);color:var(--brand-ink);font-weight:700;text-align:left}
.prose table th,.prose table td{padding:12px 16px;border-bottom:1px solid var(--line-soft)}
.prose table tbody tr:nth-child(even){background:#F8FBFA}
.prose table tbody tr:last-child td{border-bottom:0}
.prose a{color:var(--brand-deep);border-bottom:1px solid rgba(15,138,126,.35);font-weight:600}
.prose a:hover{color:var(--brand);border-bottom-color:var(--brand)}
.prose strong{font-weight:700;color:var(--brand-ink)}
.prose hr{border:0;border-top:1px solid var(--line-soft);margin:2em 0}

/* ---------- 空态 ---------- */
.empty-state{text-align:center;padding:40px 20px 52px}
.empty-icon{
  width:96px;height:96px;margin:0 auto 22px;border-radius:50%;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:34px;
}
.empty-state h2{font-size:24px;margin-bottom:12px}
.empty-state p{color:var(--ink-2);max-width:460px;margin:0 auto 26px;font-size:15px}
.empty-state .btn-brand{height:46px;padding:0 26px}

/* ---------- 文末交互 ---------- */
.post-foot{margin-top:40px;padding-top:28px;border-top:1px solid var(--line-soft)}
.post-foot h3{font-size:16px;margin-bottom:14px;color:var(--ink-2)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:#F4F9F8;border:1px solid var(--line);color:var(--ink-2);font-size:13px;font-weight:600;
  transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.tag:hover{color:var(--brand-deep);border-color:var(--brand);background:var(--brand-soft)}
.pn-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:34px}
.pn-card{
  display:block;background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);
  padding:18px 20px;box-shadow:var(--sh-1);transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.pn-card:hover{transform:translateY(-3px);border-color:#BFE4DC;box-shadow:var(--sh-2)}
.pn-card .pn-label{font-size:12px;color:var(--ink-3);display:flex;align-items:center;gap:6px}
.pn-card .pn-title{
  display:block;margin-top:8px;font-size:15px;font-weight:600;color:var(--ink);
  overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.pn-card.next{text-align:right}
.pn-card.next .pn-label{justify-content:flex-end}
.related-block{margin-top:44px}
.related-block h3{font-size:19px;margin-bottom:18px;padding-left:14px;position:relative}
.related-block h3::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:3px;background:var(--brand-grad)}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.rel-card{
  display:block;background:#FBFDFC;border:1px solid var(--line-soft);border-radius:var(--r-lg);overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rel-card:hover{transform:translateY(-3px);border-color:#BFE4DC;box-shadow:var(--sh-2)}
.rel-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--alt)}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover}
.rel-card .rc-body{padding:14px 16px 18px}
.rel-card .rc-body span{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:14px;font-weight:600;color:var(--ink);line-height:1.6;
}
.rel-card .rc-body em{display:block;margin-top:8px;font-style:normal;font-size:12px;color:var(--ink-3)}
.back-line{margin-top:30px;display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand-deep)}
.back-line:hover{gap:12px}

/* ---------- 侧栏 ---------- */
.article-aside{position:sticky;top:96px;display:grid;gap:20px}
.side-card{background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:22px 22px 20px}
.side-card h3{font-size:16px;margin-bottom:16px;padding-left:12px;position:relative}
.side-card h3::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:3px;background:var(--brand-grad)}
.side-list{display:grid;gap:14px}
.side-item{display:flex;gap:12px;align-items:flex-start}
.side-item .s-thumb{width:72px;height:72px;border-radius:var(--r-sm);overflow:hidden;flex-shrink:0;background:var(--alt)}
.side-item .s-thumb img{width:100%;height:100%;object-fit:cover}
.side-item .s-txt{min-width:0}
.side-item .s-txt a{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:14px;font-weight:600;color:var(--ink);line-height:1.55;
}
.side-item .s-txt a:hover{color:var(--brand)}
.side-item .s-txt em{display:block;margin-top:6px;font-style:normal;font-size:12px;color:var(--ink-3)}
.side-btns{display:grid;gap:10px}
.side-btns .btn-ghost,.side-btns .btn-brand{height:44px;width:100%;font-size:15px}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--brand-grad);border-radius:var(--r-xl);
  padding:52px 48px;margin:0 0 72px;color:#fff;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(255,255,255,.28),rgba(255,255,255,0) 70%);
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.35fr 1fr;gap:36px;align-items:center}
.cta-inner h2{color:#fff;font-size:30px;line-height:1.32;margin-bottom:14px}
.cta-inner p{color:rgba(255,255,255,.86);font-size:16px;margin-bottom:18px}
.cta-points{display:grid;gap:10px}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:rgba(255,255,255,.92)}
.cta-points i{margin-top:5px;color:#DFFBF1}
.cta-card{background:#fff;border-radius:var(--r-lg);padding:26px 24px;box-shadow:0 24px 48px -24px rgba(4,40,36,.6)}
.cta-card h3{font-size:18px;margin-bottom:8px}
.cta-card p{color:var(--ink-2);font-size:14px;margin-bottom:18px}

/* ---------- Footer ---------- */
.site-footer{background:var(--footer-bg);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.35fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand span:last-child{color:#fff;font-weight:800;font-size:17px}
.site-footer p{font-size:14px;line-height:1.85;max-width:330px}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block;transition:color var(--ease),transform var(--ease)}
.footer-links a:hover{color:#7FE0C6;transform:translateX(2px)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;margin-bottom:12px}
.footer-contact i{margin-top:5px;color:#7FE0C6}
.footer-cta{margin-top:16px}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.14);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr) 290px;gap:32px}
  .article-panel{padding:32px 30px 34px}
}
@media (max-width:991.98px){
  .nav-bar{min-height:64px}
  .brand-text{font-size:16px}
  .article-hero h1{font-size:30px}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-panel{max-width:none}
  .article-aside{position:static;grid-template-columns:1fr;margin-top:8px}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:40px 30px;margin-bottom:56px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767.98px){
  .article-hero{padding:34px 0 4px}
  .article-hero h1{font-size:26px;line-height:1.35}
  .article-main{padding:28px 0 52px}
  .article-panel{padding:24px 20px 26px;border-radius:var(--r-lg)}
  .prose{font-size:16.5px;line-height:1.88}
  .prose h2{font-size:20px}
  .pn-grid{grid-template-columns:1fr}
  .pn-card.next{text-align:left}
  .pn-card.next .pn-label{justify-content:flex-start}
  .rel-grid{grid-template-columns:1fr}
  .cta-inner h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .site-footer{padding-top:48px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:519.98px){
  .container{padding:0 16px}
  .article-hero h1{font-size:23px}
  .crumb .now{max-width:100%}
  .side-item .s-thumb{width:64px;height:64px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --brand:#0F8A7E;
  --brand-deep:#0A5F58;
  --brand-ink:#0A3B36;
  --brand-light:#E6F5F1;
  --brand-grad:linear-gradient(135deg,#0F8A7E 0%,#2FB79B 52%,#7FE0C6 100%);
  --accent:#FF7A2F;
  --accent-dark:#E9661C;
  --bg:#F5F8F7;
  --card:#FFFFFF;
  --alt:#EDF4F2;
  --footer-bg:#0B3B36;
  --text:#12211F;
  --muted:#4A5C58;
  --weak:#7C8F8B;
  --line:#DCE7E4;
  --line-soft:#EDF4F2;
  --radius-lg:24px;
  --radius:20px;
  --radius-sm:14px;
  --shadow:0 1px 2px rgba(18,33,31,.04),0 10px 28px -14px rgba(15,138,126,.18);
  --shadow-hover:0 18px 40px -16px rgba(15,138,126,.32);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:220ms;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{list-style:none;padding:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px;}
[id]{scroll-margin-top:112px;}

.container{width:100%;max-width:1160px !important;margin-inline:auto;padding-inline:20px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid #E6EFEC;
  box-shadow:0 2px 12px rgba(18,33,31,.05);
  transition:box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(18,33,31,.10);}
.nav-bar{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--brand-grad);color:#fff;
  display:grid;place-items:center;box-shadow:0 6px 16px -8px rgba(15,138,126,.9);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{font-weight:800;font-size:17px;color:var(--brand-ink);letter-spacing:-.01em;white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:4px;margin:0 0 0 10px;}
.nav-menu a{
  position:relative;display:block;padding:8px 14px;font-size:15px;font-weight:500;
  color:var(--muted);border-radius:999px;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-menu a:hover{color:var(--brand);background:var(--brand-light);}
.nav-menu a.active{color:var(--brand-deep);font-weight:700;}
.nav-menu a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:3px;
  border-radius:3px;background:var(--brand-grad);
}
.nav-actions{display:flex;align-items:center;gap:14px;margin-left:auto;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search i{position:absolute;left:14px;font-size:13px;color:var(--weak);pointer-events:none;}
.nav-search input{
  height:42px;width:240px;padding:0 16px 0 38px;border-radius:999px;
  border:1px solid var(--line);background:var(--bg);font-size:14px;
  transition:border-color var(--dur),box-shadow var(--dur),background var(--dur);
}
.nav-search input:focus{outline:none;background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,138,126,.16);}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 22px;
  border-radius:999px;background:var(--brand-grad);color:#fff;font-weight:600;font-size:15px;
  border:0;box-shadow:0 10px 22px -12px rgba(15,138,126,.9);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur),filter var(--dur);
}
.btn-brand:hover{color:#fff;transform:translateY(-1px);filter:brightness(1.06);box-shadow:var(--shadow-hover);}
.nav-toggle{
  width:44px;height:44px;margin-left:auto;border:1px solid var(--line);border-radius:12px;
  background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-ink);}
.nav-drawer{width:300px;}
.nav-drawer .offcanvas-header{border-bottom:1px solid var(--line-soft);padding:18px 20px;}
.nav-drawer .offcanvas-body{padding:0 20px;}
.drawer-nav li{border-bottom:1px solid var(--line-soft);}
.drawer-nav a{display:flex;align-items:center;height:48px;font-size:16px;color:var(--muted);}
.drawer-nav a.active{color:var(--brand-deep);font-weight:700;}
.drawer-cta{padding:16px 20px 24px;border-top:1px solid var(--line-soft);}
.drawer-cta .btn-grad{width:100%;}
.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 24px;
  border-radius:999px;background:var(--brand-grad);color:#fff;font-weight:600;border:0;
  transition:transform var(--dur) var(--ease),filter var(--dur),box-shadow var(--dur);
}
.btn-grad:hover{color:#fff;transform:translateY(-1px);filter:brightness(1.06);box-shadow:var(--shadow-hover);}

/* ============ 次级 Hero ============ */
.page-hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#E6F5F1 0%,#F2F9F7 58%,#F5F8F7 100%);padding:30px 0 58px;}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at 16% 18%,rgba(15,138,126,.10),transparent 44%),
                   radial-gradient(circle at 84% 6%,rgba(127,224,198,.28),transparent 48%);
}
.hero-inner{position:relative;z-index:1;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--weak);margin-bottom:20px;}
.crumbs a{transition:color var(--dur);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{opacity:.55;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:44px;align-items:center;}
.hero-title{font-size:clamp(28px,3.4vw,40px);font-weight:800;line-height:1.2;letter-spacing:-.02em;margin-bottom:16px;}
.hero-lead{font-size:17px;color:var(--muted);max-width:620px;margin-bottom:22px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:10px;}
.stat-badge{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:999px;
  background:var(--brand-light);color:var(--brand-deep);font-size:13px;
}
.stat-badge b{font-size:17px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1;}
.stat-badge span{font-size:12px;opacity:.72;}
.hero-figure{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);}
.hero-figure img{width:100%;height:264px;object-fit:cover;}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(10,95,88,.62),rgba(15,138,126,.14));}
.hero-figure .fig-cap{position:absolute;left:18px;bottom:16px;z-index:2;color:#fff;font-size:14px;font-weight:600;letter-spacing:.01em;}

/* ============ 锚点导航条 ============ */
.anchor-bar{
  position:sticky;top:72px;z-index:1020;background:rgba(245,248,247,.95);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line-soft);
}
.anchor-list{display:flex;gap:10px;overflow-x:auto;padding:12px 0;scrollbar-width:none;}
.anchor-list::-webkit-scrollbar{display:none;}
.anchor-list a{
  flex:0 0 auto;padding:8px 18px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:14px;color:var(--muted);
  transition:color var(--dur) var(--ease),border-color var(--dur),transform var(--dur),box-shadow var(--dur);
}
.anchor-list a:hover{color:var(--brand-deep);border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow);}

/* ============ 通用板块 ============ */
.section{padding:84px 0;}
.section.alt{background:var(--alt);}
.section-head{margin-bottom:42px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--brand-deep);background:var(--brand-light);padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.section-title{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.3;letter-spacing:-.01em;}
.section-title::before{content:"";display:block;width:40px;height:4px;border-radius:4px;background:var(--brand-grad);margin-bottom:14px;}
.section-sub{color:var(--muted);max-width:700px;margin-top:12px;font-size:16px;}

/* ============ 时间线 ============ */
.timeline{position:relative;padding-left:48px;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:11px;top:14px;bottom:14px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,#0F8A7E 0%,#7FE0C6 100%);
}
.tl-item{
  position:relative;background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius);
  padding:24px 28px;margin-bottom:24px;box-shadow:var(--shadow);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur),border-color var(--dur);
}
.tl-item:last-child{margin-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-48px;top:30px;width:26px;height:26px;border-radius:50%;
  background:#fff;border:2px solid var(--brand);box-shadow:0 0 0 6px rgba(230,245,241,.9);
  transition:transform var(--dur) var(--ease);
}
.tl-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#CBE7E0;}
.tl-item:hover::before{transform:scale(1.15);}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:10px;}
.tl-index{
  display:inline-flex;align-items:center;justify-content:center;height:28px;padding:0 12px;border-radius:999px;
  background:var(--brand-grad);color:#fff;font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
  letter-spacing:.04em;
}
.tl-item h3{font-size:20px;font-weight:600;}
.tl-item p{color:var(--muted);font-size:15.5px;}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--bg);border:1px solid var(--line);font-size:12.5px;color:var(--muted);
}
.text-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:26px;color:var(--brand-deep);
  font-weight:600;font-size:15px;transition:color var(--dur),gap var(--dur);
}
.text-link:hover{color:var(--accent);gap:12px;}

/* ============ 说明卡 ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.info-card{
  display:flex;gap:18px;background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur),border-color var(--dur);
}
.info-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#CBE7E0;}
.icon-badge{
  flex:0 0 56px;width:56px;height:56px;border-radius:var(--radius-sm);background:var(--brand-light);
  color:var(--brand-deep);display:grid;place-items:center;font-size:22px;
}
.info-card h3{font-size:19px;font-weight:600;margin-bottom:8px;}
.info-card p{color:var(--muted);font-size:15.5px;}
.tick-list{margin-top:14px;}
.tick-list li{display:flex;gap:10px;font-size:15px;color:var(--muted);padding:6px 0;}
.tick-list i{color:var(--brand);margin-top:5px;font-size:13px;}

/* ============ 宽幅图位 ============ */
.wide-figure{margin-top:34px;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);background:#fff;}
.wide-figure img{width:100%;height:340px;object-fit:cover;}
.wide-figure figcaption{font-size:13px;color:var(--weak);text-align:center;padding:14px 16px;background:#fff;line-height:1.7;}

/* ============ FAQ ============ */
.faq-wrap{background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius-lg);padding:6px 28px;box-shadow:var(--shadow);}
.faq-wrap .accordion-item{border:0;border-bottom:1px solid var(--line-soft);background:transparent;}
.faq-wrap .accordion-item:last-child{border-bottom:0;}
.faq-wrap .accordion-button{
  background:transparent;box-shadow:none;padding:22px 0;font-size:17px;font-weight:600;color:var(--text);
  gap:16px;
}
.faq-wrap .accordion-button:focus{box-shadow:none;outline:2px solid var(--brand);outline-offset:-2px;}
.faq-wrap .accordion-button:not(.collapsed){color:var(--brand-deep);background:transparent;}
.faq-wrap .accordion-button::after{
  content:"+";background-image:none;width:28px;height:28px;flex:0 0 28px;border-radius:50%;
  border:1px solid var(--line);color:var(--brand);font-size:18px;line-height:1;
  display:grid;place-items:center;transform:none;
  transition:transform var(--dur) var(--ease),background var(--dur),color var(--dur);
}
.faq-wrap .accordion-button:not(.collapsed)::after{transform:rotate(45deg);background:var(--brand-light);}
.faq-wrap .accordion-body{padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--muted);max-width:900px;}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:32px;padding:48px;
  background:linear-gradient(135deg,#0A5F58 0%,#0F8A7E 55%,#2FB79B 100%);
  color:#fff;box-shadow:0 24px 56px -28px rgba(10,95,88,.75);
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at 12% 16%,rgba(255,255,255,.16),transparent 42%),
                   radial-gradient(circle at 88% 82%,rgba(127,224,198,.24),transparent 46%);
}
.cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:44px;align-items:start;}
.cta-band h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.3;color:#fff;margin-bottom:14px;}
.cta-band .cta-desc{color:rgba(255,255,255,.82);font-size:16px;margin-bottom:20px;}
.cta-points li{display:flex;gap:10px;padding:7px 0;font-size:15px;color:rgba(255,255,255,.92);}
.cta-points i{color:#7FE0C6;margin-top:5px;font-size:14px;}
.form-card{background:#fff;border-radius:var(--radius);padding:28px;color:var(--text);box-shadow:0 24px 48px -22px rgba(3,32,28,.55);}
.form-card h3{font-size:19px;font-weight:600;margin-bottom:18px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;border-radius:12px;border:1px solid var(--line);background:#fff;
  padding:0 14px;font-size:15px;transition:border-color var(--dur),box-shadow var(--dur);
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,138,126,.16);
}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;width:100%;height:48px;
  border-radius:999px;background:var(--accent);color:#fff;font-weight:700;font-size:16px;border:0;
  transition:transform var(--dur) var(--ease),filter var(--dur),box-shadow var(--dur);
}
.btn-accent:hover{color:#fff;transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 14px 28px -14px rgba(255,122,47,.9);}
.btn-accent:disabled{opacity:.75;cursor:default;transform:none;}
.form-note{font-size:12.5px;color:var(--weak);line-height:1.7;margin-top:14px;}
.form-note.is-ok{color:var(--brand-deep);font-weight:600;}

/* ============ 页脚 ============ */
.site-footer{background:var(--footer-bg);color:#fff;padding:64px 0 0;margin-top:84px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;margin-bottom:14px;}
.site-footer p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.85;}
.site-footer h4{font-size:15px;font-weight:600;margin-bottom:16px;color:#fff;}
.footer-links li{margin-bottom:10px;}
.footer-links a{display:inline-block;font-size:14px;color:rgba(255,255,255,.72);transition:color var(--dur),transform var(--dur);}
.footer-links a:hover{color:#7FE0C6;transform:translateX(2px);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:10px;}
.footer-contact i{color:#7FE0C6;margin-top:5px;font-size:13px;}
.footer-cta{margin-top:16px;}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 26px;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .nav-search input{width:190px;}
}
@media (max-width:991.98px){
  .nav-bar{height:64px;gap:12px;}
  .hero-grid{grid-template-columns:1fr;gap:0;}
  .hero-figure{display:none;}
  .section{padding:58px 0;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .cta-band{padding:38px 30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .anchor-bar{top:64px;}
  .site-footer{margin-top:64px;}
}
@media (max-width:767.98px){
  .grid-2{grid-template-columns:1fr;}
  .section{padding:46px 0;}
  .section-head{margin-bottom:30px;}
  .timeline{padding-left:32px;}
  .timeline::before{left:11px;top:10px;bottom:10px;}
  .tl-item{padding:20px;border-radius:16px;margin-bottom:18px;}
  .tl-item::before{left:-30px;top:26px;width:22px;height:22px;box-shadow:0 0 0 5px rgba(230,245,241,.9);}
  .info-card{padding:22px;gap:14px;}
  .icon-badge{flex:0 0 48px;width:48px;height:48px;font-size:19px;}
  .wide-figure img{height:220px;}
  .faq-wrap{padding:2px 18px;}
  .faq-wrap .accordion-button{font-size:16px;padding:18px 0;}
  .cta-band{padding:30px 20px;border-radius:24px;}
  .form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .brand-text{font-size:15px;}
  .hero-stats{gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --primary:#0F8A7E;
  --primary-dark:#0A5F58;
  --primary-deep:#0B3B36;
  --tint:#E6F5F1;
  --accent:#FF7A2F;
  --bg:#F5F8F7;
  --card:#FFFFFF;
  --alt:#EDF4F2;
  --text:#12211F;
  --text-2:#4A5C58;
  --text-3:#7C8F8B;
  --line:#DCE7E4;
  --line-soft:#EDF4F2;
  --success:#2FA36B;
  --warn:#E0A106;
  --danger:#D9534F;
  --grad:linear-gradient(135deg,#0F8A7E 0%,#2FB79B 52%,#7FE0C6 100%);
  --grad-deep:linear-gradient(135deg,rgba(10,59,54,.94) 0%,rgba(15,138,126,.72) 100%);
  --r-lg:24px; --r-md:20px; --r-sm:14px; --r-xs:12px;
  --sh-1:0 1px 2px rgba(18,33,31,.04),0 10px 28px -14px rgba(15,138,126,.18);
  --sh-2:0 18px 40px -16px rgba(15,138,126,.32);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:150px}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary-dark);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--primary)}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{max-width:1160px;padding-left:20px;padding-right:20px;margin:0 auto}
.num{font-variant-numeric:tabular-nums}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid #E6EFEC;box-shadow:0 2px 12px rgba(18,33,31,.05);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(18,33,31,.1)}
.nav-bar{display:flex;align-items:center;gap:22px;height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:11px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0;
  box-shadow:0 8px 18px -8px rgba(15,138,126,.6);
}
.brand-mark svg{width:21px;height:21px}
.brand-text{font-weight:800;font-size:17.5px;color:#0A3B36;letter-spacing:-.01em;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:4px;margin:0 auto}
.nav-menu li a{
  display:inline-block;padding:8px 12px;font-size:15.5px;font-weight:600;color:var(--text-2);
  border-bottom:3px solid transparent;border-radius:10px 10px 0 0;transition:all .22s var(--ease);
}
.nav-menu li a:hover{color:var(--primary)}
.nav-menu li a.active{color:var(--primary-dark);border-bottom-color:var(--primary);background:var(--tint)}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search i{position:absolute;left:14px;font-size:13px;color:var(--text-3);pointer-events:none}
.nav-search input{
  width:232px;height:42px;border:1px solid var(--line);border-radius:999px;
  padding:0 16px 0 36px;background:#FBFDFC;font-size:14px;transition:all .22s var(--ease);
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(15,138,126,.14)}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;border-radius:999px;background:var(--grad);color:#fff;
  font-size:15px;font-weight:700;white-space:nowrap;border:0;
  box-shadow:0 10px 22px -12px rgba(15,138,126,.9);transition:all .22s var(--ease);
}
.btn-brand:hover{color:#fff;transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 16px 30px -14px rgba(15,138,126,.95)}
.btn-brand:active{transform:translateY(0)}
.nav-toggle{
  width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  margin-left:auto;cursor:pointer;
}
.nav-toggle span{display:block;width:19px;height:2px;background:var(--primary-dark);border-radius:2px}
.nav-drawer{width:min(340px,88vw);border-left:0}
.nav-drawer .offcanvas-header{border-bottom:1px solid var(--line-soft);padding:20px 22px}
.nav-drawer .offcanvas-body{padding:12px 22px 22px;display:flex;flex-direction:column;height:100%}
.drawer-links{flex:1}
.drawer-links a{
  display:flex;align-items:center;height:48px;font-size:16px;font-weight:600;color:var(--text);
  border-bottom:1px solid var(--line-soft);
}
.drawer-links a.active{color:var(--primary-dark)}
.drawer-bottom{padding-top:18px;border-top:1px solid var(--line-soft)}
.drawer-bottom .btn-brand{width:100%}

/* ============ sub hero ============ */
.sub-hero{position:relative;background:#FBFDFC;overflow:hidden;padding:26px 0 68px}
.sub-hero::before{content:"";position:absolute;top:0;left:0;right:0;height:6px;background:var(--grad)}
.sub-hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:420px;border-radius:50%;
  background:radial-gradient(circle at 40% 40%,rgba(127,224,198,.28),rgba(127,224,198,0) 68%);
  pointer-events:none;
}
.crumb{font-size:13.5px;color:var(--text-3);display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:14px 0 26px;position:relative;z-index:2}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{opacity:.6}
.crumb .now{color:var(--text-2)}
.hero-grid{display:grid;grid-template-columns:1.35fr .95fr;gap:44px;align-items:start;position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:var(--tint);color:var(--primary-dark);font-size:13.5px;font-weight:700;margin-bottom:18px;
}
.eyebrow i{font-size:12px}
.sub-hero h1{font-size:38px;font-weight:800;letter-spacing:-.02em;line-height:1.24;color:#0A3B36}
.sub-hero .lead{margin-top:18px;font-size:17px;color:var(--text-2);max-width:600px}
.badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.badge-stat{
  display:inline-flex;align-items:baseline;gap:7px;height:38px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);
}
.badge-stat b{font-size:19px;font-weight:800;color:var(--primary-dark);font-variant-numeric:tabular-nums}
.badge-stat span{font-size:12.5px;color:var(--text-3);font-weight:600}
.badge-stat.is-hl{border:1px solid transparent;background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box}

.hero-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);
  padding:26px 26px 24px;box-shadow:var(--sh-1);
}
.hero-card h2{font-size:19px;font-weight:700;color:var(--primary-deep);margin-bottom:6px}
.hero-card .hint{font-size:13.5px;color:var(--text-3);margin-bottom:16px}
.hero-card ul li{display:flex;gap:11px;align-items:flex-start;padding:11px 0;border-bottom:1px dashed var(--line-soft);font-size:15px;color:var(--text-2)}
.hero-card ul li:last-of-type{border-bottom:0}
.hero-card ul li i{color:var(--primary);font-size:13px;margin-top:7px}
.hero-card .btn-grad{margin-top:18px;width:100%}
.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;
  border-radius:999px;background:var(--grad);color:#fff;font-weight:700;font-size:15.5px;border:0;
  box-shadow:0 12px 26px -14px rgba(15,138,126,.95);transition:all .22s var(--ease);cursor:pointer;
}
.btn-grad:hover{color:#fff;transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 18px 34px -16px rgba(15,138,126,1)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;
  border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--primary-dark);
  font-weight:700;font-size:15.5px;transition:all .22s var(--ease);
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--sh-1)}

/* ============ anchor bar ============ */
.anchor-bar{
  position:sticky;top:70px;z-index:1020;background:rgba(245,248,247,.94);
  backdrop-filter:blur(6px);border-bottom:1px solid var(--line-soft);
}
.anchor-inner{display:flex;gap:10px;overflow-x:auto;padding:12px 0;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-inner a{
  flex:0 0 auto;height:38px;display:inline-flex;align-items:center;padding:0 18px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:14.5px;font-weight:600;color:var(--text-2);
  transition:all .22s var(--ease);white-space:nowrap;
}
.anchor-inner a:hover{border-color:var(--primary);color:var(--primary-dark);transform:translateY(-1px)}
.anchor-inner a.active{background:var(--tint);border-color:transparent;color:var(--primary-dark)}

/* ============ sections ============ */
.section{padding:84px 0}
.section.alt{background:var(--alt)}
.section-head{max-width:760px;margin-bottom:38px}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;color:var(--primary);
  letter-spacing:.04em;margin-bottom:12px;
}
.section-head .kicker::before{content:"";width:26px;height:4px;border-radius:2px;background:var(--grad)}
.section-head h2{font-size:31px;color:#0A3B36}
.section-head p{margin-top:14px;font-size:16.5px;color:var(--text-2)}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.text-link{display:inline-flex;align-items:center;gap:7px;font-weight:700;font-size:15px;color:var(--primary-dark)}
.text-link i{font-size:12px;transition:transform .22s var(--ease)}
.text-link:hover i{transform:translateX(3px)}

/* ============ issue cards ============ */
.issue-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.issue-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-md);padding:26px 26px 24px;
  box-shadow:var(--sh-1);transition:all .22s var(--ease);display:flex;gap:18px;
}
.issue-card:hover{transform:translateY(-3px);border-color:#CFE9E2;box-shadow:var(--sh-2)}
.issue-no{
  flex:0 0 auto;width:44px;height:44px;border-radius:14px;background:var(--tint);color:var(--primary-dark);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;
  font-variant-numeric:tabular-nums;
}
.issue-card h3{font-size:18.5px;font-weight:600;color:var(--text);margin-bottom:9px}
.issue-card p{font-size:15px;color:var(--text-2);line-height:1.8}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-flex;align-items:center;height:27px;padding:0 11px;border-radius:999px;
  background:var(--alt);color:var(--text-2);font-size:12.5px;font-weight:600;
}
.tag.is-hot{background:rgba(255,122,47,.1);color:#C4531A}

.wide-figure{margin-top:34px;border-radius:var(--r-lg);overflow:hidden;position:relative;box-shadow:var(--sh-1)}
.wide-figure img{width:100%;height:320px;object-fit:cover}
.wide-figure .cap{
  position:absolute;inset:auto 0 0 0;padding:26px 28px;color:#fff;
  background:var(--grad-deep);
}
.wide-figure .cap h3{font-size:20px;color:#fff;margin-bottom:6px}
.wide-figure .cap p{font-size:14.5px;color:rgba(255,255,255,.82)}

/* ============ plan compare ============ */
.plan-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.plan-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;
  box-shadow:var(--sh-1);transition:all .22s var(--ease);position:relative;
}
.plan-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.plan-card.is-rec{border:2px solid transparent;background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box}
.plan-flag{
  position:absolute;top:-13px;right:24px;height:28px;padding:0 13px;border-radius:999px;background:var(--accent);
  color:#fff;font-size:12.5px;font-weight:700;display:flex;align-items:center;
}
.plan-card h3{font-size:21px;color:#0A3B36}
.plan-card .plan-note{margin-top:8px;font-size:14px;color:var(--text-3)}
.plan-card .plan-price{margin:18px 0 20px;font-size:15px;color:var(--text-2)}
.plan-card .plan-price b{font-size:26px;color:var(--primary-dark);font-variant-numeric:tabular-nums}
.plan-list li{display:flex;gap:10px;align-items:flex-start;padding:9px 0;font-size:15px;color:var(--text-2)}
.plan-list li i{color:var(--success);font-size:13px;margin-top:7px}
.plan-card .btn-grad,.plan-card .btn-ghost{width:100%;margin-top:22px}

.compare{margin-top:34px;border:1px solid var(--line-soft);border-radius:var(--r-md);overflow:hidden;background:#fff;box-shadow:var(--sh-1)}
.compare-row{display:grid;grid-template-columns:1.2fr 1fr 1fr;min-height:54px;align-items:center}
.compare-row>div{padding:14px 20px;font-size:14.8px}
.compare-row:nth-child(odd){background:var(--bg)}
.compare-row.head{background:var(--tint);font-weight:700;color:var(--primary-dark)}
.compare-row .k{font-weight:600;color:var(--text)}
.compare-row .v{color:var(--text-2)}
.compare-row .v i{color:var(--success);margin-right:7px;font-size:13px}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.faq{background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);padding:8px 28px;box-shadow:var(--sh-1)}
.faq .accordion-item{border:0;border-bottom:1px solid var(--line-soft);background:transparent}
.faq .accordion-item:last-child{border-bottom:0}
.faq .accordion-button{
  background:transparent;box-shadow:none;border:0;padding:22px 56px 22px 0;
  font-size:17px;font-weight:600;color:var(--text);position:relative;border-radius:0;
}
.faq .accordion-button:not(.collapsed){color:var(--primary-dark);background:transparent;box-shadow:none}
.faq .accordion-button:focus{box-shadow:none;outline:none}
.faq .accordion-button::after{
  content:"";position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:30px;height:30px;border-radius:50%;background-color:var(--tint);
  background-image:url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2024%2024'%20fill='none'%20stroke='%230A5F58'%20stroke-width='2'%20stroke-linecap='round'%3E%3Cpath%20d='M12%205v14M5%2012h14'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;background-size:15px;
  transition:transform .22s var(--ease);
}
.faq .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(135deg)}
.faq .accordion-body{padding:0 56px 22px 0;font-size:15.2px;line-height:1.85;color:var(--text-2)}

/* ============ CTA ============ */
.cta-band{
  position:relative;background:var(--grad);border-radius:28px;overflow:hidden;
  padding:52px 48px;color:#fff;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),rgba(255,255,255,0) 70%);
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.cta-band h2{font-size:30px;color:#fff}
.cta-band .cta-sub{margin-top:14px;font-size:16px;color:rgba(255,255,255,.88)}
.cta-points{margin-top:22px;display:grid;gap:11px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15.2px;color:rgba(255,255,255,.92)}
.cta-points li i{margin-top:7px;font-size:13px;color:#D8FFF3}
.form-card{background:#fff;border-radius:var(--r-lg);padding:28px;box-shadow:0 26px 50px -26px rgba(6,42,38,.55);color:var(--text)}
.form-card h3{font-size:20px;color:#0A3B36;margin-bottom:6px}
.form-card .fc-hint{font-size:13.8px;color:var(--text-3);margin-bottom:20px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:14px;font-weight:600;color:var(--text)}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-xs);background:#FBFDFC;
  padding:12px 14px;font-size:15px;transition:all .22s var(--ease);
}
.field input,.field select{height:48px}
.field textarea{min-height:104px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(15,138,126,.14);
}
.field input:user-invalid,.field textarea:user-invalid{border-color:var(--danger)}
.form-card .btn-grad{width:100%;margin-top:20px}
.privacy{margin-top:13px;font-size:12.8px;color:var(--text-3);line-height:1.7}

/* ============ footer ============ */
.site-footer{background:var(--primary-deep);color:rgba(255,255,255,.72);padding:66px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand span:last-child{color:#fff;font-weight:800;font-size:16.5px}
.site-footer p{font-size:14.2px;line-height:1.85}
.site-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links li{margin-bottom:11px}
.footer-links a{font-size:14.2px;color:rgba(255,255,255,.72);transition:all .22s var(--ease);display:inline-block}
.footer-links a:hover{color:#7FE0C6;transform:translateX(2px)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14.2px;margin-bottom:12px}
.footer-contact i{color:#7FE0C6;margin-top:6px;font-size:13px}
.footer-cta{margin-top:6px}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.16);padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.4px;color:rgba(255,255,255,.62);
}

/* ============ responsive ============ */
@media (max-width:1199.98px){
  .nav-search input{width:190px}
  .brand-text{font-size:16.5px}
}
@media (max-width:991.98px){
  .nav-menu,.nav-actions{display:none!important}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .sub-hero h1{font-size:32px}
  .issue-grid{grid-template-columns:1fr}
  .plan-grid{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:64px 0}
  .section-head h2{font-size:27px}
  .anchor-bar{top:70px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .sub-hero{padding:18px 0 52px}
  .sub-hero h1{font-size:28px}
  .section{padding:52px 0}
  .section-head h2{font-size:24px}
  .issue-card{flex-direction:column;gap:14px;padding:22px}
  .cta-band{padding:34px 22px;border-radius:22px}
  .cta-band h2{font-size:23px}
  .form-card{padding:22px}
  .form-grid{grid-template-columns:1fr}
  .faq{padding:6px 20px}
  .faq .accordion-button{font-size:16px;padding-right:48px}
  .faq .accordion-body{padding-right:0}
  .compare-row{grid-template-columns:1fr;min-height:0;padding:8px 0}
  .compare-row>div{padding:6px 18px}
  .compare-row.head{display:none}
  .compare-row .k{background:var(--tint);border-radius:var(--r-xs);font-size:14px}
  .wide-figure img{height:210px}
  .wide-figure .cap{padding:18px}
}
@media (max-width:520px){
  .brand-text{font-size:15.5px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .badges{gap:9px}
  .badge-stat{height:34px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}