/* roulang page: index */
:root{
  --brand-700:#12724A;
  --brand-500:#1EA96A;
  --brand-300:#7BE3AE;
  --brand-50:#E8F3EC;
  --ink-900:#12141A;
  --ink-700:#2A2E36;
  --ink-500:#5A6068;
  --ink-300:#9AA1A9;
  --line:#E3E6E1;
  --bg:#F6F7F2;
  --surface:#FFFFFF;
  --panel:#F0F2EC;
  --accent:#F5A524;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 2px 8px rgba(18,20,26,.06);
  --sh-2:0 12px 28px rgba(18,20,26,.08);
  --sh-3:0 24px 60px rgba(18,20,26,.12);
  --glow:0 10px 30px rgba(30,169,106,.22);
  --grad:linear-gradient(120deg,#12724A 0%,#1EA96A 52%,#7BE3AE 100%);
}

*,*::before,*::after{box-sizing:border-box}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{
  margin:0;
  font-weight:700;
  line-height:1.25;
  letter-spacing:.02em;
  color:var(--ink-900);
}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
body a{color:inherit;text-decoration:none}
body a:hover{color:inherit}
button{font-family:inherit;cursor:pointer}
strong{font-weight:700}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--paper{background:var(--surface)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.section-head h2{font-size:30px;position:relative;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand-500)}
.section-sub{margin-top:12px;color:var(--ink-500);font-size:16px;line-height:1.75;max-width:640px}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--glow);filter:brightness(1.04);color:#fff}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--ink-900);border:1.5px solid var(--ink-900)}
.btn-ghost:hover{background:var(--brand-50);border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:#fff;color:var(--brand-700);box-shadow:var(--sh-2)}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--sh-3);color:var(--brand-700)}
.btn-sm{height:42px;padding:0 22px;font-size:14px}
.btn-full{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand-700);font-weight:600;font-size:15px}
.link-arrow::after{content:"→";transition:transform .18s ease}
.link-arrow:hover{color:var(--brand-500)}
.link-arrow:hover::after{transform:translateX(4px)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;padding:16px 24px 0}
.nav-shell{
  max-width:1120px;
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:0 14px 0 18px;
  border-radius:999px;
  background:rgba(246,247,242,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(18,20,26,.08);
  box-shadow:var(--sh-2);
  transition:background .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled .nav-shell{background:rgba(246,247,242,.96);box-shadow:var(--sh-3)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  position:relative;
  width:34px;height:34px;
  border-radius:11px;
  background:var(--ink-900);
  flex:0 0 auto;
}
.brand-mark::before,.brand-mark::after{
  content:"";position:absolute;top:-3px;width:11px;height:11px;border-radius:50%;background:var(--ink-900);
}
.brand-mark::before{left:2px}
.brand-mark::after{right:2px}
.brand-mark span{position:absolute;inset:9px 8px 8px;border-radius:6px;background:#fff}
.brand-mark span::before,.brand-mark span::after{content:"";position:absolute;top:5px;width:4px;height:4px;border-radius:50%;background:var(--ink-900)}
.brand-mark span::before{left:4px}
.brand-mark span::after{right:4px}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{font-size:20px;font-weight:800;letter-spacing:.02em;color:var(--ink-900)}
.brand-text em{font-style:normal;font-size:11px;font-weight:500;letter-spacing:.16em;color:var(--brand-700);margin-top:3px}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center}
.nav-links a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 14px;
  font-size:15px;
  color:var(--ink-700);
  border-radius:999px;
  transition:color .18s ease,background .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:4px;transform:translateX(-50%);
  width:0;height:3px;border-radius:999px;background:var(--brand-500);transition:width .18s ease;
}
.nav-links a:hover{color:var(--brand-700);background:var(--brand-50)}
.nav-links a:hover::after{width:16px}
.nav-links a.is-active{color:var(--brand-700);font-weight:600}
.nav-links a.is-active::after{width:18px}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:999px;
  border:1px solid rgba(18,20,26,.12);background:#fff;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);transition:transform .2s ease,opacity .2s ease}
.nav-toggle:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px}
.mobile-menu{display:none}
@media (max-width:900px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-actions .btn-sm{display:none}
  .mobile-menu{
    display:none;
    max-width:1120px;
    margin:10px auto 0;
    background:rgba(246,247,242,.98);
    border:1px solid rgba(18,20,26,.08);
    border-radius:var(--r-lg);
    box-shadow:var(--sh-3);
    padding:14px;
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
  }
  .mobile-menu.is-open{display:block}
  .mobile-menu a{
    display:flex;align-items:center;min-height:48px;padding:0 16px;
    border-radius:14px;font-size:16px;color:var(--ink-700);
  }
  .mobile-menu a:hover,.mobile-menu a:focus-visible{background:var(--brand-50);color:var(--brand-700)}
  .mobile-menu a.is-active{color:var(--brand-700);font-weight:600;background:var(--brand-50)}
  .mobile-menu .btn{margin-top:10px;min-height:48px}
}
@media (max-width:640px){
  .site-header{padding:10px 12px 0}
  .nav-shell{height:56px;padding:0 8px 0 14px;gap:12px}
  .brand-text strong{font-size:17px}
  .brand-text em{font-size:10px;letter-spacing:.14em}
  .brand-mark{width:30px;height:30px;border-radius:10px}
  .brand-mark span{inset:8px 7px 7px}
}

/* Hero */
.hero{padding:56px 0 96px}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--brand-700);font-weight:600;letter-spacing:.02em;
  box-shadow:var(--sh-1);
}
.hero h1{font-size:40px;margin:22px 0 18px;line-height:1.25}
.hero-sub{font-size:17px;line-height:1.8;color:var(--ink-500);max-width:520px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin:30px 0 34px}
.hero-stats{display:flex;gap:14px;flex-wrap:wrap}
.stat{
  display:flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:999px;
  background:#fff;border:1px solid rgba(245,165,36,.45);
  box-shadow:var(--sh-1);
}
.stat strong{font-size:22px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1}
.stat span{font-size:12px;color:var(--ink-500);letter-spacing:.02em}
.hero-visual{position:relative}
.kv-frame{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-3);
  background:var(--brand-50);
  aspect-ratio:4/3;
}
.kv-frame img{width:100%;height:100%;object-fit:cover}
.kv-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,#12724A 0%,#1EA96A 52%,#7BE3AE 100%);
  opacity:.10;pointer-events:none;
}
.kv-badge{
  position:absolute;right:18px;bottom:18px;
  display:flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:999px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  box-shadow:var(--sh-2);
  font-size:12px;color:var(--ink-700);font-weight:600;
}
.kv-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--brand-500);box-shadow:0 0 0 3px rgba(30,169,106,.16)}
@media (max-width:1024px){
  .hero{padding:40px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:32px}
  .hero-sub{max-width:none}
}
@media (max-width:640px){
  .hero{padding:32px 0 56px}
  .hero h1{font-size:28px;margin:18px 0 14px}
  .hero-sub{font-size:15px}
  .hero-cta{margin:24px 0 26px}
  .hero-cta .btn{width:100%}
  .hero-stats{gap:10px}
  .stat{padding:10px 14px;flex:1 1 44%}
  .kv-badge{right:12px;bottom:12px;font-size:11px;padding:8px 12px}
}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;align-items:start}
.step{
  position:relative;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 24px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.step:nth-child(2),.step:nth-child(4){margin-top:26px}
.step::after{
  content:"";position:absolute;right:-14px;top:46px;width:22px;
  border-top:1px dashed var(--brand-300);
}
.step:last-child::after{display:none}
.step-num{
  width:36px;height:36px;border-radius:50%;
  background:var(--grad);color:#fff;font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:18px;margin:16px 0 8px}
.step p{font-size:14px;line-height:1.75;color:var(--ink-500)}
.section-foot{margin-top:36px}
@media (max-width:1024px){
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(2),.step:nth-child(4){margin-top:0}
  .step::after{display:none}
}
@media (max-width:640px){
  .steps{grid-template-columns:1fr;gap:16px}
  .step{padding:22px 20px}
}

/* 权益 */
.benefit-grid{display:grid;grid-template-columns:2fr 1fr;gap:24px;align-items:start}
.benefit-main{
  position:relative;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.benefit-main:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.benefit-main .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--brand-50)}
.benefit-main .thumb img{width:100%;height:100%;object-fit:cover}
.benefit-main .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,#12724A 0%,#1EA96A 52%,#7BE3AE 100%);
  opacity:.12;
}
.corner-tag{
  position:absolute;left:20px;top:20px;z-index:2;
  height:28px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.94);color:var(--brand-700);
  font-size:12px;font-weight:700;display:inline-flex;align-items:center;
  box-shadow:var(--sh-1);
}
.benefit-main .body{padding:28px 32px 32px}
.benefit-main h3{font-size:22px;margin-bottom:12px}
.benefit-main p{font-size:15px;line-height:1.8;color:var(--ink-500)}
.benefit-main .link-arrow{margin-top:20px}
.benefit-side{display:grid;gap:24px}
.benefit-mini{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.benefit-mini:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.icon-square{
  width:56px;height:56px;border-radius:16px;background:var(--brand-50);
  display:flex;align-items:center;justify-content:center;color:var(--brand-700);
  margin-bottom:18px;
}
.benefit-mini h3{font-size:18px;margin-bottom:10px}
.benefit-mini p{font-size:14px;line-height:1.75;color:var(--ink-500)}
@media (max-width:1024px){
  .benefit-grid{grid-template-columns:1fr}
  .benefit-side{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .benefit-side{grid-template-columns:1fr}
  .benefit-main .body{padding:22px 20px 24px}
  .benefit-main h3{font-size:19px}
  .benefit-mini{padding:22px 20px}
}

/* 进度检查 */
.progress-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:start}
.progress-main{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:32px;box-shadow:var(--sh-1)}
.progress-main h2{font-size:26px;margin-bottom:10px}
.progress-main .lead{font-size:15px;color:var(--ink-500);line-height:1.75}
.progress-track{height:12px;border-radius:999px;background:var(--panel);overflow:hidden;margin:24px 0 8px}
.progress-track span{display:block;height:100%;border-radius:999px;background:var(--grad)}
.track-85{width:85%}
.progress-caption{font-size:13px;color:var(--ink-300);letter-spacing:.02em}
.progress-list{margin-top:18px}
.progress-list li{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 0;border-bottom:1px dashed var(--line)}
.progress-list li:last-child{border-bottom:0}
.pl-name{display:flex;align-items:center;font-size:15px;color:var(--ink-700)}
.pl-name::before{
  content:"";width:12px;height:12px;border-radius:50%;
  border:2px solid var(--brand-500);background:var(--brand-50);
  margin-right:12px;flex:0 0 auto;
}
.pl-value{font-size:15px;font-weight:700;color:var(--brand-700);font-variant-numeric:tabular-nums}
.progress-note{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:30px;box-shadow:var(--sh-1);
}
.progress-note h3{font-size:19px;margin-bottom:14px}
.progress-note p{font-size:15px;line-height:1.85;color:var(--ink-500)}
.progress-note ul{margin-top:16px}
.progress-note li{
  position:relative;padding-left:20px;font-size:14px;line-height:1.8;color:var(--ink-700);margin-bottom:10px;
}
.progress-note li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--brand-500);
}
@media (max-width:1024px){
  .progress-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  .progress-main{padding:22px 20px}
  .progress-main h2{font-size:22px}
  .progress-note{padding:22px 20px}
}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;align-items:start}
.news-card{grid-column:span 3}
.news-card-feature{grid-row:span 2}
.news-card-link{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.news-card-link:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.news-thumb{background:var(--brand-50);overflow:hidden;aspect-ratio:16/10}
.news-card-feature .news-thumb{aspect-ratio:16/11}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease}
.news-card-link:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto}
.news-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--brand-50);color:var(--brand-700);font-size:12px;font-weight:600;
  align-self:flex-start;margin-bottom:12px;
}
.news-body h3{
  font-size:18px;line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-summary{
  margin-top:10px;font-size:14px;line-height:1.75;color:var(--ink-500);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:16px;font-size:13px;color:var(--ink-300);
}
.news-meta time{font-variant-numeric:tabular-nums}
.news-meta .read{color:var(--brand-700);font-weight:600}
.empty-state{
  grid-column:1 / -1;
  min-height:240px;border:1.5px dashed var(--line);border-radius:var(--r-lg);
  background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;padding:32px;
}
.empty-state .empty-icon{
  width:40px;height:40px;border-radius:50%;background:var(--brand-50);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-weight:700;
}
.empty-state p{font-size:14px;color:var(--ink-500)}
@media (max-width:1024px){
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .news-card,.news-card-feature{grid-column:span 1;grid-row:auto}
}
@media (max-width:640px){
  .news-grid{grid-template-columns:1fr;gap:16px}
  .news-body{padding:18px 18px 20px}
  .news-body h3{font-size:17px}
}

/* FAQ */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item[open]{border-color:var(--brand-300);box-shadow:var(--sh-2)}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;min-height:56px;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--ink-900);line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:focus-visible{outline:2px solid var(--brand-500);outline-offset:-3px}
.faq-item summary::after{
  content:"";width:16px;height:16px;flex:0 0 auto;
  background:
    linear-gradient(var(--brand-500),var(--brand-500)) center/16px 2px no-repeat,
    linear-gradient(var(--brand-500),var(--brand-500)) center/2px 16px no-repeat;
  border-radius:2px;
  transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(90deg)}
.faq-item p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--ink-500)}
@media (max-width:640px){
  .faq-item summary{padding:16px 18px;font-size:16px;min-height:52px}
  .faq-item p{padding:0 18px 18px;font-size:14px}
}

/* CTA */
.cta-banner{
  position:relative;overflow:hidden;
  background:var(--grad);
  border-radius:var(--r-xl);
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--glow);
}
.cta-banner h2{font-size:24px;color:#fff}
.cta-banner p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.88);line-height:1.75;max-width:560px}
.cta-banner .btn{flex:0 0 auto}
@media (max-width:1024px){
  .cta-banner{padding:32px}
}
@media (max-width:640px){
  .cta-banner{padding:26px 22px;border-radius:var(--r-lg)}
  .cta-banner h2{font-size:20px}
  .cta-banner .btn{width:100%}
}

/* 页脚 */
.site-footer{position:relative;background:var(--ink-900);color:#E7EAE4;padding:64px 0 0;margin-top:96px}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand-mark{background:#fff}
.footer-brand .brand-mark::before,.footer-brand .brand-mark::after{background:#fff}
.footer-brand .brand-mark span{background:var(--ink-900)}
.footer-brand .brand-mark span::before,.footer-brand .brand-mark span::after{background:#fff}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:var(--brand-300)}
.site-footer p{font-size:14px;line-height:1.9;color:rgba(231,234,228,.72)}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(231,234,228,.72);transition:color .18s ease}
.footer-col a:hover{color:var(--brand-300)}
.footer-col a:focus-visible{outline:2px solid var(--brand-300);outline-offset:3px;border-radius:4px}
.footer-bottom{
  border-top:1px solid rgba(231,234,228,.14);
  padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;line-height:1.9;color:rgba(231,234,228,.6);
}
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:640px){
  .site-footer{padding-top:48px;margin-top:56px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
}
@media (max-width:1024px){
  .section{padding:72px 0}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-head{margin-bottom:28px}
  .section-head h2{font-size:24px}
  .section-sub{font-size:15px}
}

/* roulang page: article */
:root{
  --brand-700:#12724A;
  --brand-500:#1EA96A;
  --brand-300:#7BE3AE;
  --brand-50:#E8F3EC;
  --ink-900:#12141A;
  --ink-700:#2A2E36;
  --ink-500:#5A6068;
  --ink-300:#9AA1A9;
  --line:#E3E6E1;
  --bg:#F6F7F2;
  --surface:#FFFFFF;
  --panel:#F0F2EC;
  --accent:#F5A524;
  --grad:linear-gradient(120deg,#12724A 0%,#1EA96A 52%,#7BE3AE 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 2px 8px rgba(18,20,26,.06);
  --sh-2:0 12px 28px rgba(18,20,26,.08);
  --sh-3:0 24px 60px rgba(18,20,26,.12);
  --glow:0 10px 30px rgba(30,169,106,.22);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .18s ease}
button{font-family:inherit}
table{border-collapse:collapse}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;min-height:44px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.02em;line-height:1;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease,filter .18s ease;
}
.btn-primary{background:linear-gradient(120deg,#12724A 0%,#1EA96A 100%);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--glow);filter:brightness(1.04);color:#fff}
.btn-primary:active{transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--ink-900);border-color:var(--ink-900)}
.btn-ghost:hover{background:var(--brand-50);border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(-1px)}
.btn-sm{height:40px;min-height:40px;padding:0 20px;font-size:14px}
.btn:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--brand-700)}
.text-link::after{content:"";width:16px;height:1.5px;background:currentColor;transition:transform .18s ease}
.text-link:hover::after{transform:translateX(4px)}
.text-link:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px;border-radius:4px}

/* ---------- 标签与徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  background:var(--brand-50);color:var(--brand-700);
  font-size:12px;font-weight:600;letter-spacing:.04em;
  border:1px solid rgba(30,169,106,.22);
}
.tag-accent{background:#FEF4E3;color:#8A5A05;border-color:rgba(245,165,36,.35)}
.dot-sep{color:var(--ink-300);padding:0 2px}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;padding:16px 0 0}
.nav-shell{
  position:relative;
  width:calc(100% - 32px);max-width:1120px;margin:0 auto;
  display:flex;align-items:center;gap:20px;height:64px;padding:0 20px;
  border-radius:999px;
  background:rgba(246,247,242,.86);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(18,20,26,.08);
  box-shadow:var(--sh-2);
  transition:background .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled .nav-shell{background:rgba(246,247,242,.96);box-shadow:var(--sh-3)}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  position:relative;width:38px;height:38px;border-radius:12px;background:var(--ink-900);
  display:inline-flex;align-items:center;justify-content:center;flex:none;
}
.brand-mark::before,.brand-mark::after{content:"";position:absolute;top:-4px;width:12px;height:12px;border-radius:50%;background:var(--ink-900)}
.brand-mark::before{left:3px}
.brand-mark::after{right:3px}
.brand-mark span{width:16px;height:16px;border-radius:6px;background:var(--brand-300);display:block}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:20px;font-weight:800;letter-spacing:.02em;color:var(--ink-900)}
.brand-text em{font-size:11px;font-style:normal;font-weight:500;letter-spacing:.16em;color:var(--ink-500)}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  border-radius:999px;font-size:15px;font-weight:500;color:var(--ink-700);
  transition:color .18s ease,background .18s ease;
}
.nav-links a:hover{color:var(--brand-700);background:rgba(30,169,106,.08)}
.nav-links a.is-active{color:var(--brand-700);font-weight:600}
.nav-links a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;
  border-radius:999px;background:var(--brand-500);
}
.nav-links a:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.nav-actions{display:flex;align-items:center;gap:8px;flex:none}
.nav-toggle{
  display:none;width:44px;height:44px;padding:0;border-radius:14px;
  background:#fff;border:1px solid var(--line);cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);transition:transform .2s ease,opacity .2s ease}
.nav-toggle:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-drawer{
  position:absolute;left:16px;right:16px;top:calc(100% + 10px);
  display:none;padding:16px;border-radius:var(--r-lg);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-3);
}
.nav-drawer.is-open{display:block}
.nav-drawer nav{display:grid;gap:4px;margin-bottom:12px}
.nav-drawer nav a{padding:12px 14px;border-radius:var(--r-sm);font-size:15px;font-weight:500;color:var(--ink-700)}
.nav-drawer nav a:hover,.nav-drawer nav a:focus-visible{background:var(--brand-50);color:var(--brand-700);outline:none}
.nav-drawer nav a.is-active{background:var(--brand-50);color:var(--brand-700);font-weight:600}
.nav-drawer .btn{width:100%}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:6px;padding:24px 0 0;font-size:14px;color:var(--ink-500)}
.breadcrumb a{color:var(--ink-500)}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb .sep{color:var(--ink-300)}
.breadcrumb .current{color:var(--ink-900);font-weight:500}

/* ---------- 文章头 ---------- */
.article-wrap{
  display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);
  gap:48px;align-items:start;padding-top:28px;
}
.article-main{min-width:0}
.article-head{padding-bottom:22px}
.article-head h1{
  margin:14px 0 0;font-size:40px;line-height:1.25;letter-spacing:.02em;
  font-weight:800;color:var(--ink-900);
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  margin-top:18px;font-size:14px;color:var(--ink-500);
}
.article-meta span{display:inline-flex;align-items:center}
.article-rule{height:1px;background:var(--line);margin-bottom:32px}

/* ---------- 正文排版 ---------- */
.article-body{max-width:760px;font-size:16px;line-height:1.9;color:var(--ink-700)}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;margin:40px 0 16px;padding-left:14px;
  font-size:30px;line-height:1.25;letter-spacing:.02em;font-weight:700;color:var(--ink-900);
  border-left:4px solid var(--brand-500);
}
.article-body h3{margin:28px 0 12px;font-size:22px;line-height:1.3;font-weight:700;color:var(--ink-900)}
.article-body h4{margin:22px 0 10px;font-size:18px;line-height:1.35;font-weight:600;color:var(--ink-900)}
.article-body ul{margin:0 0 20px;padding-left:4px}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:8px;line-height:1.8}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;
  border-radius:2px;background:var(--brand-500);
}
.article-body ol{list-style:decimal;margin:0 0 20px;padding-left:24px}
.article-body ol li{margin-bottom:8px;line-height:1.8}
.article-body blockquote{
  margin:24px 0;padding:20px;border-left:4px solid var(--brand-300);
  background:var(--brand-50);border-radius:0 16px 16px 0;color:var(--ink-700);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{width:100%;height:auto;border-radius:var(--r-md);margin-bottom:12px}
.article-body figure{margin:0 0 20px}
.article-body figcaption{font-size:13px;color:var(--ink-500);text-align:center;line-height:1.7}
.article-body table{width:100%;margin:0 0 20px;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;line-height:1.7}
.article-body th{background:var(--brand-50);color:var(--ink-900);font-weight:600}
.article-body a{color:var(--brand-700);border-bottom:1px solid var(--brand-300);padding-bottom:1px}
.article-body a:hover{color:var(--brand-500)}
.article-body code{
  padding:2px 8px;border-radius:999px;background:var(--panel);
  font-size:14px;color:var(--ink-700);
}
.article-body hr{border:0;height:1px;background:var(--line);margin:32px 0}

/* ---------- 文章尾 ---------- */
.article-foot{margin-top:40px;padding-top:28px;border-top:1px solid var(--line)}
.article-foot .foot-actions{display:flex;flex-wrap:wrap;gap:12px}
.article-foot .foot-note{margin-top:16px;font-size:14px;color:var(--ink-500);line-height:1.8}

/* ---------- 空态 ---------- */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  min-height:240px;padding:40px 24px;text-align:center;
  background:#fff;border:1.5px dashed var(--line);border-radius:var(--r-lg);
}
.empty-icon{
  width:40px;height:40px;border-radius:50%;background:var(--brand-50);
  border:1px solid rgba(30,169,106,.22);position:relative;
}
.empty-icon::after{
  content:"";position:absolute;inset:12px;border-radius:50%;
  border:2px solid var(--brand-300);
}
.empty-state p{font-size:14px;color:var(--ink-500)}

/* ---------- 侧栏 ---------- */
.article-aside{min-width:0}
.aside-sticky{position:sticky;top:96px;display:grid;gap:20px}
.side-card{
  padding:24px;border-radius:var(--r-lg);background:#fff;
  border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:box-shadow .18s ease,border-color .18s ease,transform .18s ease;
}
.side-card:hover{box-shadow:var(--sh-2);border-color:var(--brand-300)}
.side-card h2{font-size:16px;font-weight:700;color:var(--ink-900);letter-spacing:.02em}
.side-card .side-sub{margin-top:6px;font-size:13px;color:var(--ink-500);line-height:1.75}
.side-nav{display:grid;gap:2px;margin-top:14px}
.side-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  min-height:44px;padding:10px 12px;border-radius:var(--r-sm);
  font-size:14px;color:var(--ink-700);border-left:3px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.side-nav a::after{content:"›";font-size:16px;color:var(--ink-300);transition:color .18s ease,transform .18s ease}
.side-nav a:hover,.side-nav a:focus-visible{background:var(--brand-50);color:var(--brand-700);border-left-color:var(--brand-500);outline:none}
.side-nav a:hover::after{color:var(--brand-500);transform:translateX(2px)}
.side-list{display:grid;gap:14px;margin-top:16px}
.side-item{display:flex;gap:12px;align-items:flex-start}
.side-item img{width:74px;height:56px;object-fit:cover;border-radius:var(--r-sm);background:var(--brand-50);flex:none}
.side-item h3{font-size:14px;font-weight:600;line-height:1.55;color:var(--ink-900)}
.side-item:hover h3{color:var(--brand-700)}
.side-item span{display:block;margin-top:2px;font-size:12px;color:var(--ink-500)}
.side-cta{display:block;margin-top:16px}
.side-cta .btn{width:100%}
.side-status{
  display:flex;align-items:center;gap:8px;margin-top:14px;
  padding:10px 12px;border-radius:var(--r-sm);background:var(--brand-50);
  font-size:13px;color:var(--brand-700);
}
.side-status i{width:8px;height:8px;border-radius:50%;background:var(--brand-500);flex:none;box-shadow:0 0 0 4px rgba(30,169,106,.15)}

/* ---------- 相关推荐 ---------- */
.related{padding:80px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.section-head h2{font-size:30px;line-height:1.25;font-weight:700;letter-spacing:.02em;color:var(--ink-900)}
.section-head p{margin-top:8px;font-size:15px;color:var(--ink-500)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.news-card:hover,.news-card:focus-within{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.news-card .thumb{position:relative;aspect-ratio:16/10;background:var(--brand-50);overflow:hidden}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease}
.news-card:hover .thumb img{transform:scale(1.03)}
.news-card .body{display:flex;flex-direction:column;gap:10px;padding:20px;flex:1}
.news-card h3{font-size:18px;line-height:1.4;font-weight:700;color:var(--ink-900)}
.news-card p{font-size:14px;line-height:1.8;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card .meta{display:flex;align-items:center;gap:8px;margin-top:auto;font-size:13px;color:var(--ink-500)}
.news-card .meta .tag{height:24px;padding:0 10px}

/* ---------- CTA 通栏 ---------- */
.cta-band{padding:80px 0 0}
.cta-box{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:36px 40px;border-radius:var(--r-xl);
  background:#fff;border:1.5px solid var(--brand-500);box-shadow:var(--sh-1);
}
.cta-box h2{font-size:24px;line-height:1.35;font-weight:700;color:var(--ink-900)}
.cta-box p{margin-top:8px;font-size:15px;color:var(--ink-500)}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--ink-900);color:#E7EAE4;margin-top:96px;padding:64px 0 24px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{background:#fff}
.footer-brand .brand-mark::before,.footer-brand .brand-mark::after{background:#fff}
.footer-brand .brand-mark span{background:var(--brand-500)}
.footer-brand .brand-text strong{display:block;font-size:18px;font-weight:800;color:#fff;letter-spacing:.02em}
.footer-brand .brand-text em{display:block;font-size:11px;font-style:normal;font-weight:500;letter-spacing:.16em;color:var(--brand-300)}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;letter-spacing:.04em;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col li{font-size:14px;line-height:1.9;color:#B9C0B7}
.footer-col a{font-size:14px;line-height:1.9;color:#B9C0B7}
.footer-col a:hover{color:var(--brand-300)}
.footer-col a:focus-visible{outline:2px solid var(--brand-300);outline-offset:3px;border-radius:4px}
.footer-col p{font-size:14px;line-height:1.9;color:#B9C0B7}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(231,234,228,.14);
  font-size:13px;line-height:1.9;color:#98A093;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .article-wrap{grid-template-columns:minmax(0,1fr);gap:40px}
  .aside-sticky{position:static;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .article-body h2{font-size:26px}
  .article-head h1{font-size:32px}
  .section-head h2{font-size:26px}
}
@media (max-width:860px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-sm{display:none}
  .nav-shell{gap:12px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .related{padding-top:56px}
  .cta-band{padding-top:56px}
  .article-body{font-size:15px}
  .article-head h1{font-size:28px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .aside-sticky{grid-template-columns:minmax(0,1fr)}
  .cta-box{padding:28px 24px}
  .site-footer{margin-top:64px;padding:48px 0 20px}
}
@media (max-width:640px){
  .site-header{padding-top:10px}
  .nav-shell{height:56px;padding:0 14px;width:calc(100% - 20px)}
  .brand-mark{width:34px;height:34px;border-radius:11px}
  .brand-text strong{font-size:18px}
  .brand-text em{font-size:10px}
  .breadcrumb{padding-top:18px;font-size:13px}
  .article-head h1{font-size:26px}
  .article-meta{font-size:13px;gap:6px}
  .article-body h2{font-size:24px;margin-top:32px}
  .article-body h3{font-size:19px;margin-top:24px}
  .article-body p{font-size:15px;margin-bottom:18px}
  .article-body table{font-size:13px;display:block;overflow-x:auto;white-space:nowrap;border-radius:var(--r-sm)}
  .side-card{padding:20px}
  .section-head h2{font-size:24px}
  .cta-box h2{font-size:20px}
  .cta-box .btn,.article-foot .btn{width:100%}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column;gap:8px}
  .related-grid{gap:16px}
  .news-card .body{padding:16px}
}

/* roulang page: category1 */
:root{
  --brand-700:#12724A;--brand-500:#1EA96A;--brand-300:#7BE3AE;--brand-50:#E8F3EC;
  --ink-900:#12141A;--ink-700:#2A2E36;--ink-500:#5A6068;--ink-300:#9AA1A9;--line:#E3E6E1;
  --bg:#F6F7F2;--surface:#FFFFFF;--panel:#F0F2EC;--accent:#F5A524;
  --grad-brand:linear-gradient(120deg,#12724A 0%,#1EA96A 52%,#7BE3AE 100%);
  --r-sm:10px;--r-md:16px;--r-lg:24px;--r-xl:32px;
  --sh-1:0 2px 8px rgba(18,20,26,.06);
  --sh-2:0 12px 28px rgba(18,20,26,.08);
  --sh-3:0 24px 60px rgba(18,20,26,.12);
  --glow:0 10px 30px rgba(30,169,106,.22);
  --font-cn:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-cn);font-size:16px;line-height:1.75;color:var(--ink-900);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;line-height:inherit}
p{margin:0;font-size:16px;line-height:1.75}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;letter-spacing:.02em;font-weight:700;line-height:1.25;color:var(--ink-900)}
h1{font-size:40px}
h2{font-size:30px}
h3{font-size:22px}
h4{font-size:18px}
button{font-family:inherit;font-size:inherit;line-height:1;border:0;background:none;color:inherit;cursor:pointer}
::selection{background:var(--brand-300);color:var(--ink-900)}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:999px;font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;min-height:44px;line-height:1;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 6px 18px rgba(30,169,106,.18)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--glow);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(-1px)}
.btn-ghost{background:var(--surface);color:var(--ink-900);border-color:var(--ink-900)}
.btn-ghost:hover{background:var(--brand-50);border-color:var(--brand-500);color:var(--brand-700)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;min-height:40px}
.btn:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--brand-700);transition:color .18s ease}
.link-arrow::after{content:"";width:14px;height:14px;border-right:2px solid currentColor;border-top:2px solid currentColor;transform:rotate(45deg);transition:transform .18s ease;margin-left:2px}
.link-arrow:hover{color:var(--brand-500)}
.link-arrow:hover::after{transform:translateX(4px) rotate(45deg)}
.link-arrow:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px;border-radius:4px}

/* ---------- 品牌标识 ---------- */
.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{position:relative;width:38px;height:38px;border-radius:12px;background:var(--ink-900);display:inline-grid;place-items:center;flex:0 0 38px}
.brand-mark::before,.brand-mark::after{content:"";position:absolute;top:-3px;width:11px;height:11px;border-radius:50%;background:var(--brand-500)}
.brand-mark::before{left:5px}
.brand-mark::after{right:5px}
.brand-mark span{width:12px;height:12px;border-radius:50%;background:#F6F7F2;display:block}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{font-size:20px;font-weight:800;letter-spacing:.02em;color:var(--ink-900)}
.brand-text em{font-style:normal;font-size:11px;font-weight:500;letter-spacing:.16em;color:var(--ink-500);margin-top:3px}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:sticky;top:16px;z-index:120;padding:0 24px}
.nav-shell{max-width:1120px;margin:0 auto;height:64px;display:flex;align-items:center;gap:20px;padding:0 18px 0 20px;border-radius:999px;background:rgba(246,247,242,.86);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid rgba(18,20,26,.08);box-shadow:var(--sh-2);transition:background .2s ease,box-shadow .2s ease}
.site-header.is-scrolled .nav-shell{background:rgba(246,247,242,.96);box-shadow:var(--sh-3)}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:999px;font-size:15px;color:var(--ink-700);transition:color .18s ease,background .18s ease}
.nav-links a:hover{background:var(--brand-50);color:var(--brand-700)}
.nav-links a:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.nav-links a.is-active{color:var(--brand-700);font-weight:600}
.nav-links a.is-active::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:4px;width:18px;height:3px;border-radius:999px;background:var(--brand-500)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{display:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--surface);align-items:center;justify-content:center;flex-direction:column;gap:4px;padding:0}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);transition:transform .2s ease,opacity .2s 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)}
.nav-toggle:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px}
.nav-drawer{position:absolute;left:24px;right:24px;top:76px;display:none;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-3);padding:14px;z-index:130}
.nav-drawer.is-open{display:block}
.nav-drawer nav{display:grid;gap:4px;margin-bottom:12px}
.nav-drawer nav a{display:flex;align-items:center;min-height:44px;padding:12px 16px;border-radius:var(--r-md);font-size:15px;color:var(--ink-700)}
.nav-drawer nav a:hover,.nav-drawer nav a.is-active{background:var(--brand-50);color:var(--brand-700);font-weight:600}
.nav-drawer .btn{width:100%}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{padding:26px 0 4px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-500)}
.breadcrumb a{color:var(--ink-500);transition:color .18s ease}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb span.sep{color:var(--ink-300)}
.breadcrumb .current{color:var(--ink-900);font-weight:600}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0}
.section-tight{padding:56px 0}
.section-head{max-width:720px;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{margin-bottom:14px}
.section-head p{font-size:16px;color:var(--ink-500);line-height:1.8}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-700);letter-spacing:.08em;margin-bottom:12px}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--brand-500)}
.band{background:var(--panel);padding:80px 0}

/* ---------- 小 Hero ---------- */
.hero-panel{background:var(--brand-50);border:1px solid #DCEBE1;border-radius:var(--r-xl);padding:48px;display:grid;grid-template-columns:1.35fr .9fr;gap:44px;align-items:center}
.hero-copy h1{margin-bottom:18px}
.hero-copy h1 .hl{color:var(--brand-700)}
.hero-lead{font-size:17px;line-height:1.85;color:var(--ink-500);max-width:44ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-side{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1)}
.hero-side h2{font-size:16px;font-weight:700;letter-spacing:.04em;color:var(--ink-700);margin-bottom:16px}
.mini-list{display:grid;gap:10px}
.data-badge{display:flex;align-items:center;gap:12px;padding:10px 16px;border-radius:999px;background:var(--surface);border:1.5px solid rgba(245,165,36,.42)}
.data-badge b{font-size:22px;font-weight:700;line-height:1;color:var(--ink-900);font-variant-numeric:tabular-nums}
.data-badge span{font-size:12px;color:var(--ink-500);letter-spacing:.02em}
.hero-side-note{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;color:var(--ink-500);line-height:1.8}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split-media{border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-2);background:var(--brand-50)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-body h2{margin-bottom:16px}
.split-body p{color:var(--ink-500);font-size:16px;line-height:1.85;margin-bottom:14px}
.check-list{margin-top:22px;display:grid;gap:12px}
.check-list li{position:relative;padding-left:34px;font-size:15px;line-height:1.7;color:var(--ink-700)}
.check-list li::before{content:"";position:absolute;left:0;top:3px;width:20px;height:20px;border-radius:50%;background:var(--brand-50);border:1px solid var(--brand-300)}
.check-list li::after{content:"";position:absolute;left:6px;top:8px;width:8px;height:4px;border-left:2px solid var(--brand-700);border-bottom:2px solid var(--brand-700);transform:rotate(-45deg)}

/* ---------- 纵向步骤条 ---------- */
.steps{margin-top:36px;display:grid;gap:0}
.step{position:relative;display:grid;grid-template-columns:44px 1fr;gap:20px;padding-bottom:24px}
.step::before{content:"";position:absolute;left:21px;top:52px;bottom:-4px;border-left:1px dashed var(--brand-300)}
.step:last-child{padding-bottom:0}
.step:last-child::before{display:none}
.step-num{width:44px;height:44px;border-radius:50%;background:var(--grad-brand);color:#fff;display:grid;place-items:center;font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;box-shadow:0 8px 20px rgba(30,169,106,.22)}
.step-body{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px 24px;transition:box-shadow .18s ease,border-color .18s ease,transform .18s ease}
.step-body:hover{border-color:var(--brand-300);box-shadow:var(--sh-1);transform:translateY(-2px)}
.step-body h3{font-size:18px;margin-bottom:6px}
.step-body p{font-size:15px;color:var(--ink-500);line-height:1.7}

/* ---------- 提示条 ---------- */
.notice{display:flex;gap:14px;align-items:flex-start;background:#FEF3E2;border-left:4px solid var(--accent);border-radius:0 var(--r-md) var(--r-md) 0;padding:16px 20px;margin-top:32px;font-size:14px;line-height:1.8;color:var(--ink-700)}
.notice strong{color:var(--ink-900);font-weight:700;margin-right:4px}

/* ---------- 清单区 ---------- */
.checklist{display:grid;grid-template-columns:.95fr 1.05fr;gap:52px;align-items:center}
.checklist .split-media img{aspect-ratio:5/4}
.prep-list{display:grid;gap:14px;margin-top:24px}
.prep-item{display:flex;gap:14px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:16px 18px;transition:border-color .18s ease,box-shadow .18s ease}
.prep-item:hover{border-color:var(--brand-300);box-shadow:var(--sh-1)}
.prep-item .dot{width:10px;height:10px;border-radius:50%;background:var(--brand-500);margin-top:8px;flex:0 0 10px}
.prep-item h4{font-size:16px;margin-bottom:4px}
.prep-item p{font-size:14px;color:var(--ink-500);line-height:1.7}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:var(--brand-300)}
.faq-item.is-open{border-color:var(--brand-300);box-shadow:var(--sh-1)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;min-height:60px;background:none;border:0;text-align:left;font-size:17px;font-weight:600;color:var(--ink-900);border-radius:var(--r-md)}
.faq-q:focus-visible{outline:2px solid var(--brand-500);outline-offset:-3px}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 18px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand-700);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-500)}

/* ---------- CTA ---------- */
.cta-bar{background:var(--surface);border:1.5px solid var(--brand-500);border-radius:var(--r-xl);padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;box-shadow:var(--sh-1)}
.cta-bar h2{font-size:24px;margin-bottom:8px}
.cta-bar p{font-size:15px;color:var(--ink-500);line-height:1.8}
.cta-bar .btn{flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:#E7EAE4;margin-top:96px;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-brand)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{background:#F6F7F2}
.footer-brand .brand-mark::before,.footer-brand .brand-mark::after{background:var(--brand-500)}
.footer-brand .brand-mark span{background:var(--ink-900)}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:rgba(231,234,228,.62)}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(231,234,228,.72);max-width:34ch}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:10px}
.footer-col li{font-size:14px;line-height:1.9;color:rgba(231,234,228,.72)}
.footer-col a{color:rgba(231,234,228,.72);transition:color .18s ease}
.footer-col a:hover{color:var(--brand-300)}
.footer-col a:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px;border-radius:4px}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;font-size:13px;line-height:1.9;color:rgba(231,234,228,.6)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-panel{grid-template-columns:1fr;gap:32px;padding:40px}
  .split,.checklist{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 32px}
  .section,.band{padding:72px 0}
  h1{font-size:34px}
  h2{font-size:26px}
}
@media (max-width:900px){
  .nav-links{display:none}
  .nav-actions .btn-sm{display:none}
  .nav-toggle{display:inline-flex}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .site-header{padding:0 14px;top:10px}
  .nav-shell{height:56px;padding:0 12px 0 14px;gap:10px}
  .nav-drawer{left:14px;right:14px;top:66px}
  .brand-text strong{font-size:17px}
  .brand-text em{font-size:10px}
  .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px}
  .brand-mark::before,.brand-mark::after{width:9px;height:9px;top:-2px}
  h1{font-size:28px}
  h2{font-size:24px}
  h3{font-size:19px}
  body,p{font-size:15px}
  .hero-panel{padding:26px 20px;border-radius:var(--r-lg)}
  .hero-lead{font-size:15px}
  .hero-actions .btn{width:100%}
  .hero-side{padding:20px}
  .section,.band{padding:56px 0}
  .section-head{margin-bottom:26px}
  .step{grid-template-columns:38px 1fr;gap:14px}
  .step-num{width:38px;height:38px;font-size:15px}
  .step::before{left:18px;top:44px}
  .step-body{padding:16px 18px}
  .faq-q{font-size:16px;padding:16px 18px;min-height:52px}
  .faq-a-inner{padding:0 18px 18px}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:26px 22px;gap:18px}
  .cta-bar .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;padding:44px 0 26px;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .site-footer{margin-top:64px}
  .breadcrumb-bar{padding:18px 0 2px}
  .prep-item{padding:14px 16px}
}
@media (max-width:400px){
  .data-badge b{font-size:19px}
  .data-badge span{font-size:11px}
}

/* roulang page: category3 */
:root{
  --brand-700:#12724A;
  --brand-500:#1EA96A;
  --brand-300:#7BE3AE;
  --brand-50:#E8F3EC;
  --ink-900:#12141A;
  --ink-700:#2A2E36;
  --ink-500:#5A6068;
  --ink-300:#9AA1A9;
  --line:#E3E6E1;
  --bg:#F6F7F2;
  --surface:#FFFFFF;
  --panel:#F0F2EC;
  --accent:#F5A524;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 2px 8px rgba(18,20,26,.06);
  --sh-2:0 12px 28px rgba(18,20,26,.08);
  --sh-3:0 24px 60px rgba(18,20,26,.12);
  --grad:linear-gradient(120deg,#12724A 0%,#1EA96A 52%,#7BE3AE 100%);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{font-size:100%;-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none;transition:color .18s ease}
img{max-width:100%;height:auto;display:block;border-radius:inherit}
button{font-family:inherit;font-size:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.section-tight{padding:56px 0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:16px;z-index:80;padding:0 16px}
.nav-shell{
  position:relative;
  max-width:1120px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:20px;
  padding:0 12px 0 20px;
  border-radius:999px;
  background:rgba(246,247,242,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(18,20,26,.08);
  box-shadow:var(--sh-2);
  transition:background .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled .nav-shell{background:rgba(246,247,242,.96);box-shadow:var(--sh-3)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{position:relative;width:38px;height:38px;flex:0 0 auto;border-radius:13px;background:linear-gradient(140deg,#12141A,#2A2E36)}
.brand-mark::before,.brand-mark::after{content:"";position:absolute;top:-4px;width:11px;height:11px;border-radius:50%;background:#12141A}
.brand-mark::before{left:4px}
.brand-mark::after{right:4px}
.brand-mark span{position:absolute;left:9px;right:9px;top:10px;bottom:9px;border-radius:50%;background:#F6F7F2}
.brand-mark span::before,.brand-mark span::after{content:"";position:absolute;top:8px;width:4px;height:4px;border-radius:50%;background:#12141A}
.brand-mark span::before{left:5px}
.brand-mark span::after{right:5px}
.brand-text{display:flex;flex-direction:column;line-height:1.08}
.brand-text strong{font-size:20px;font-weight:800;letter-spacing:.02em;color:var(--ink-900)}
.brand-text em{font-style:normal;font-size:11px;font-weight:500;letter-spacing:.16em;color:var(--brand-700)}
.nav-links{display:flex;align-items:center;justify-content:center;gap:4px;flex:1 1 auto}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  font-size:15px;color:var(--ink-700);border-radius:999px;
  transition:color .18s ease,background .18s ease;
}
.nav-links a:hover{color:var(--brand-700);background:var(--brand-50)}
.nav-links a.is-active{color:var(--brand-700);font-weight:600}
.nav-links a.is-active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:999px;background:var(--brand-500);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--line);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
  transition:background .18s ease,border-color .18s ease;
}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--ink-900);transition:transform .2s ease,opacity .2s ease}
.nav-toggle:hover{background:var(--brand-50);border-color:var(--brand-300)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-drawer{
  position:absolute;left:16px;right:16px;top:calc(100% + 10px);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-3);padding:16px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.nav-drawer.is-open{opacity:1;visibility:visible;transform:none}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:14px}
.drawer-links a{display:flex;align-items:center;min-height:44px;padding:0 14px;border-radius:var(--r-md);font-size:15px;color:var(--ink-700)}
.drawer-links a:hover{background:var(--brand-50);color:var(--brand-700)}
.drawer-links a.is-active{background:var(--brand-50);color:var(--brand-700);font-weight:600}

/* ---------- buttons / badges ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;border:none;
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:linear-gradient(120deg,#12724A 0%,#1EA96A 60%,#25B877 100%);color:#fff;box-shadow:0 6px 18px rgba(30,169,106,.18)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(30,169,106,.22);filter:brightness(1.04);color:#fff}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(30,169,106,.2)}
.btn-ghost{background:#fff;color:var(--ink-900);border:1.5px solid var(--ink-900)}
.btn-ghost:hover{background:var(--brand-50);border-color:var(--brand-500);color:var(--brand-700)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 14px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:#fff;border:1px solid var(--line);color:var(--ink-700);
}
.badge-dot{width:7px;height:7px;border-radius:50%;background:var(--brand-500);flex:0 0 auto}
.badge-accent{border-color:rgba(245,165,36,.45);color:#8A5A06;background:#FFF8EC}
.badge-accent .badge-dot{background:var(--accent)}
.badge-brand{border-color:var(--brand-300);color:var(--brand-700);background:var(--brand-50)}
.badge-brand .badge-dot{background:var(--brand-500)}

/* ---------- breadcrumbs ---------- */
.crumbs{padding:26px 0 0}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-500)}
.crumbs li{display:inline-flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:var(--ink-300)}
.crumbs a:hover{color:var(--brand-700)}
.crumbs [aria-current="page"]{color:var(--ink-900);font-weight:600}

/* ---------- page head ---------- */
.page-head{
  margin-top:22px;
  background:var(--brand-50);
  border:1px solid rgba(30,169,106,.14);
  border-radius:var(--r-xl);
  padding:44px 44px 40px;
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.page-head::after{
  content:"";position:absolute;right:-60px;top:-70px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(123,227,174,.55),rgba(123,227,174,0) 70%);
  pointer-events:none;
}
.page-head-main{position:relative;z-index:1;max-width:720px}
.page-head h1{
  font-size:40px;line-height:1.25;font-weight:800;letter-spacing:.02em;color:var(--ink-900);
}
.page-head p{margin-top:14px;font-size:17px;line-height:1.7;color:var(--ink-500);max-width:640px}
.update-badge{
  position:relative;z-index:1;
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 18px;
  border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--ink-500);white-space:nowrap;flex:0 0 auto;
}
.update-badge b{color:var(--ink-900);font-weight:700;font-variant-numeric:tabular-nums}

/* ---------- help layout ---------- */
.help-layout{
  display:grid;
  grid-template-columns:280px minmax(0,1fr);
  gap:44px;
  align-items:start;
  padding-top:56px;
}
.help-toc{
  position:sticky;top:96px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:20px 16px;
}
.help-toc h2{
  font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--ink-300);
  padding:0 12px;margin-bottom:12px;
}
.help-toc a{
  display:flex;align-items:center;gap:10px;min-height:44px;
  padding:0 14px;border-radius:var(--r-sm);
  border-left:3px solid transparent;
  font-size:15px;color:var(--ink-700);
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.help-toc a span{width:22px;font-size:12px;font-weight:700;color:var(--ink-300);font-variant-numeric:tabular-nums}
.help-toc a:hover{background:var(--panel);color:var(--ink-900)}
.help-toc a.is-current{background:var(--brand-50);border-left-color:var(--brand-500);color:var(--brand-700);font-weight:600}
.help-toc a.is-current span{color:var(--brand-700)}

.help-main{min-width:0}
.help-group{margin-bottom:56px;scroll-margin-top:110px}
.help-group:last-of-type{margin-bottom:32px}
.help-group > h2{
  position:relative;
  font-size:30px;line-height:1.3;font-weight:700;letter-spacing:.02em;
  padding-left:16px;margin-bottom:12px;
}
.help-group > h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:999px;
  background:linear-gradient(180deg,#12724A,#7BE3AE);
}
.help-group > .group-lead{font-size:15px;color:var(--ink-500);padding-left:16px;margin-bottom:24px}
.qa-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px 24px;
  box-shadow:var(--sh-1);
  transition:box-shadow .18s ease,border-color .18s ease,transform .18s ease;
}
.qa-item + .qa-item{margin-top:14px}
.qa-item:hover{box-shadow:var(--sh-2);border-color:var(--brand-300);transform:translateY(-2px)}
.qa-item h3{
  display:flex;gap:10px;align-items:flex-start;
  font-size:17px;line-height:1.6;font-weight:600;color:var(--ink-900);
}
.qa-item h3::before{
  content:"Q";flex:0 0 auto;width:24px;height:24px;margin-top:2px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:8px;background:var(--brand-50);color:var(--brand-700);
  font-size:12px;font-weight:800;
}
.qa-item p{margin-top:10px;padding-left:34px;font-size:15px;line-height:1.85;color:var(--ink-500)}
.help-figure{
  margin:0 0 14px;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--brand-50);box-shadow:var(--sh-1);
}
.help-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.help-figure figcaption{font-size:13px;color:var(--ink-500);text-align:center;padding:12px 16px;background:#fff}

/* ---------- notice card ---------- */
.notice-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-left:4px solid var(--accent);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:28px 30px;
}
.notice-card h2{font-size:22px;line-height:1.35;font-weight:700;letter-spacing:.02em;margin-bottom:14px}
.notice-card ul{display:grid;gap:12px}
.notice-card li{
  position:relative;padding-left:22px;font-size:15px;line-height:1.8;color:var(--ink-500);
}
.notice-card li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;
  background:var(--accent);
}

/* ---------- link rows ---------- */
.link-panel{
  background:var(--panel);
  border-radius:var(--r-xl);
  padding:36px;
}
.link-panel-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:22px}
.link-panel-head h2{font-size:26px;line-height:1.35;font-weight:700;letter-spacing:.02em}
.link-panel-head p{font-size:15px;color:var(--ink-500)}
.link-rows{display:grid;gap:12px}
.link-row{
  display:flex;align-items:center;gap:18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px 22px;box-shadow:var(--sh-1);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.link-row:hover{border-color:var(--brand-300);box-shadow:var(--sh-2);transform:translateY(-2px)}
.link-row .idx{
  flex:0 0 auto;width:36px;height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#12724A,#1EA96A);color:#fff;
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.link-row .txt{flex:1 1 auto;min-width:0}
.link-row .txt strong{display:block;font-size:17px;font-weight:700;color:var(--ink-900)}
.link-row .txt span{display:block;font-size:14px;color:var(--ink-500);margin-top:2px}
.link-row .arrow{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-700);
}
.link-row .arrow::after{content:"→";transition:transform .18s ease}
.link-row:hover .arrow::after{transform:translateX(4px)}

/* ---------- cta bar ---------- */
.cta-bar{
  background:linear-gradient(120deg,#12724A 0%,#1EA96A 52%,#25B877 100%);
  border-radius:var(--r-xl);
  padding:38px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  box-shadow:0 18px 44px rgba(18,114,74,.22);
}
.cta-bar h2{font-size:24px;line-height:1.4;font-weight:700;letter-spacing:.02em;color:#fff;max-width:640px}
.cta-bar .btn-ghost{background:#fff;border-color:#fff;color:var(--brand-700)}
.cta-bar .btn-ghost:hover{background:#F1FBF6;border-color:#fff;color:var(--brand-700)}

/* ---------- footer ---------- */
.site-footer{
  position:relative;background:var(--ink-900);color:#E7EAE4;
  margin-top:88px;padding:68px 0 26px;
}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.site-footer .brand-mark{background:linear-gradient(140deg,#1EA96A,#12724A)}
.site-footer .brand-mark::before,.site-footer .brand-mark::after{background:#12724A}
.site-footer .brand-text strong{color:#fff}
.site-footer .brand-text em{color:var(--brand-300)}
.footer-col p{font-size:14px;line-height:1.85;color:#B9BFB7;max-width:340px}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:10px}
.footer-col li{font-size:14px;line-height:1.8;color:#B9BFB7}
.footer-col a{color:#C9CFC7}
.footer-col a:hover{color:var(--brand-300)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;line-height:1.9;color:#8F968D;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-cta-desktop{display:none}
  .section{padding:72px 0}
  .page-head{padding:36px 32px}
  .page-head h1{font-size:32px}
  .help-layout{grid-template-columns:1fr;gap:28px;padding-top:40px}
  .help-toc{position:static;display:flex;gap:10px;overflow-x:auto;padding:14px;-webkit-overflow-scrolling:touch;scrollbar-width:thin}
  .help-toc h2{display:none}
  .help-toc a{
    flex:0 0 auto;min-height:40px;padding:0 16px;
    border:1px solid var(--line);border-left-width:1px;border-radius:999px;
    font-size:14px;white-space:nowrap;
  }
  .help-toc a span{display:none}
  .help-toc a.is-current{background:var(--brand-50);border-color:var(--brand-300);color:var(--brand-700)}
  .help-group > h2{font-size:24px}
  .link-panel{padding:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-col p{max-width:none}
}
@media (max-width:900px){
  .nav-drawer{display:block}
}
@media (min-width:901px){
  .nav-drawer{display:none}
}
@media (max-width:768px){
  .page-head{flex-direction:column;align-items:flex-start;gap:20px;padding:30px 24px}
  .page-head h1{font-size:28px}
  .page-head p{font-size:15px}
  .cta-bar{padding:28px 24px;border-radius:var(--r-lg)}
  .cta-bar h2{font-size:20px}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .site-header{top:8px;padding:0 10px}
  .nav-shell{height:56px;padding:0 10px 0 14px;gap:10px}
  .brand-mark{width:34px;height:34px;border-radius:12px}
  .brand-text strong{font-size:17px}
  .brand-text em{font-size:10px;letter-spacing:.14em}
  .section{padding:56px 0}
  .section-tight{padding:40px 0}
  .crumbs{padding-top:20px}
  .crumbs ol{font-size:13px}
  .page-head{margin-top:16px;border-radius:var(--r-lg);padding:26px 20px}
  .page-head h1{font-size:26px;line-height:1.3}
  .update-badge{height:34px;font-size:12px;padding:0 14px}
  .help-group{margin-bottom:40px}
  .help-group > h2{font-size:21px;padding-left:14px}
  .help-group > .group-lead{font-size:14px;padding-left:14px;margin-bottom:18px}
  .qa-item{padding:18px 16px;border-radius:var(--r-md)}
  .qa-item h3{font-size:16px}
  .qa-item p{padding-left:0;margin-top:8px;font-size:15px;line-height:1.8}
  .notice-card{padding:22px 18px}
  .notice-card h2{font-size:19px}
  .link-panel{padding:22px 18px;border-radius:var(--r-lg)}
  .link-panel-head h2{font-size:21px}
  .link-row{padding:16px;gap:12px;border-radius:var(--r-md)}
  .link-row .txt strong{font-size:16px}
  .link-row .arrow{font-size:13px}
  .btn{width:100%;height:48px}
  .btn-sm{width:auto;height:44px}
  .cta-bar{flex-direction:column;align-items:stretch}
  .site-footer{margin-top:56px;padding:52px 0 22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{font-size:12px;flex-direction:column;align-items:flex-start;gap:6px}
}

/* roulang page: category2 */
:root{
  --brand-700:#12724A;
  --brand-500:#1EA96A;
  --brand-300:#7BE3AE;
  --brand-50:#E8F3EC;
  --ink-900:#12141A;
  --ink-700:#2A2E36;
  --ink-500:#5A6068;
  --ink-300:#9AA1A9;
  --line:#E3E6E1;
  --bg:#F6F7F2;
  --surface:#FFFFFF;
  --surface-2:#F0F2EC;
  --accent:#F5A524;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 2px 8px rgba(18,20,26,.06);
  --sh-2:0 12px 28px rgba(18,20,26,.08);
  --sh-3:0 24px 60px rgba(18,20,26,.12);
  --glow:0 10px 30px rgba(30,169,106,.22);
  --grad:linear-gradient(120deg,#12724A 0%,#1EA96A 52%,#7BE3AE 100%);
  --container:1200px;
  --ease:180ms ease;
}

*,*::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","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure{margin:0;}
button{font-family:inherit;}
table{border-collapse:collapse;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:96px 0;}
.section--panel{background:var(--surface-2);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:999px;
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease),filter var(--ease);
}
.btn:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px;}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 6px 18px rgba(18,114,74,.18);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--glow);filter:brightness(1.04);color:#fff;}
.btn-primary:active{transform:translateY(-1px);}
.btn-outline{
  background:#fff;
  color:var(--ink-900);
  border-color:var(--ink-900);
}
.btn-outline:hover{background:var(--brand-50);border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}

/* ============ 悬浮胶囊导航 ============ */
.site-header{
  position:sticky;
  top:16px;
  z-index:80;
  padding:0 16px;
}
.nav-shell{
  max-width:1120px;
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:16px;
  padding:0 12px 0 18px;
  border-radius:999px;
  background:rgba(246,247,242,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(18,20,26,.08);
  box-shadow:var(--sh-2);
  transition:background var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled .nav-shell{
  background:rgba(246,247,242,.96);
  box-shadow:var(--sh-3);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  position:relative;
  display:inline-block;
  width:34px;
  height:34px;
  border-radius:12px;
  background:var(--ink-900);
  flex:0 0 auto;
}
.brand-mark::before,
.brand-mark::after{
  content:"";
  position:absolute;
  top:-4px;
  width:9px;
  height:9px;
  border-radius:50%;
  background:inherit;
}
.brand-mark::before{left:3px;}
.brand-mark::after{right:3px;}
.brand-mark span{
  position:absolute;
  inset:9px 7px 6px;
  border-radius:50% 50% 46% 46%;
  background:#fff;
}
.brand-mark span::before,
.brand-mark span::after{
  content:"";
  position:absolute;
  top:8px;
  width:4px;
  height:4px;
  border-radius:50%;
  background:var(--ink-900);
}
.brand-mark span::before{left:5px;}
.brand-mark span::after{right:5px;}
.brand-text strong{
  display:block;
  font-size:20px;
  font-weight:800;
  line-height:1.1;
  letter-spacing:.02em;
  color:var(--ink-900);
}
.brand-text em{
  display:block;
  font-style:normal;
  font-size:11px;
  font-weight:500;
  letter-spacing:.16em;
  line-height:1.2;
  margin-top:2px;
  color:var(--ink-500);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin:0 auto;
}
.nav-links a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 14px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-700);
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  width:18px;
  height:3px;
  border-radius:999px;
  background:var(--brand-500);
  transform:translateX(-50%) scaleX(0);
  transition:transform var(--ease);
}
.nav-links a:hover{color:var(--brand-700);background:var(--brand-50);}
.nav-links a.is-active{color:var(--brand-700);font-weight:700;}
.nav-links a.is-active::after{transform:translateX(-50%) scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:5px;
  width:44px;
  height:44px;
  padding:0;
  border:1px solid rgba(18,20,26,.1);
  border-radius:999px;
  background:#fff;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:999px;
  background:var(--ink-900);
  transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px;}

.mobile-drawer{
  position:absolute;
  top:calc(100% + 8px);
  left:16px;
  right:16px;
  z-index:90;
}
.mobile-drawer[hidden]{display:none;}
.mobile-drawer nav{
  display:flex;
  flex-direction:column;
  gap:4px;
  padding:12px;
  border-radius:var(--r-lg);
  background:rgba(246,247,242,.98);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(18,20,26,.08);
  box-shadow:var(--sh-3);
}
.mobile-drawer a{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 16px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:500;
  color:var(--ink-700);
}
.mobile-drawer a:hover{background:var(--brand-50);color:var(--brand-700);}
.mobile-drawer a.is-active{background:var(--brand-50);color:var(--brand-700);font-weight:700;}
.mobile-drawer .btn{margin-top:8px;justify-content:center;}

/* ============ 面包屑 ============ */
.breadcrumb{padding:28px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--ink-500);}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li::after{content:"/";color:var(--ink-300);}
.breadcrumb li:last-child::after{content:"";}
.breadcrumb a:hover{color:var(--brand-700);}
.breadcrumb [aria-current]{color:var(--ink-900);font-weight:600;}

/* ============ 页面头部 ============ */
.page-head{
  position:relative;
  margin-top:24px;
  padding:48px 40px 44px;
  border-radius:var(--r-xl);
  overflow:hidden;
  background:var(--brand-50);
  box-shadow:var(--sh-1);
}
.page-head::before{
  content:"";
  position:absolute;
  inset:0;
  background:url(/assets/images/backpic/back-2.png) center/cover no-repeat;
  opacity:.18;
}
.page-head::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(232,243,236,.95) 0%,rgba(232,243,236,.78) 46%,rgba(232,243,236,.34) 100%);
}
.page-head-inner{
  position:relative;
  z-index:1;
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
}
.page-head-copy{max-width:640px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 12px;
  margin-bottom:16px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--brand-700);
  background:rgba(255,255,255,.78);
  border:1px solid rgba(30,169,106,.24);
}
.page-head h1{
  font-size:40px;
  line-height:1.25;
  font-weight:800;
  letter-spacing:.02em;
  color:var(--ink-900);
}
.page-lead{
  margin-top:14px;
  font-size:17px;
  line-height:1.8;
  color:var(--ink-700);
  max-width:560px;
}
.chip-group{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 18px;
  border-radius:999px;
  font-size:14px;
  font-weight:500;
  color:var(--ink-700);
  background:rgba(255,255,255,.9);
  border:1.5px solid rgba(18,20,26,.1);
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.chip:hover{border-color:var(--brand-300);color:var(--brand-700);}
.chip.is-selected{
  background:var(--brand-500);
  border-color:var(--brand-500);
  color:#fff;
  font-weight:600;
  box-shadow:0 6px 16px rgba(30,169,106,.24);
}

/* ============ 板块标题 ============ */
.section-head{margin-bottom:40px;max-width:720px;}
.section-title{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:30px;
  line-height:1.3;
  font-weight:800;
  letter-spacing:.02em;
  color:var(--ink-900);
}
.section-title::before{
  content:"";
  flex:0 0 auto;
  width:4px;
  height:22px;
  border-radius:999px;
  background:var(--grad);
}
.section-sub{
  margin-top:12px;
  padding-left:16px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-500);
}

/* ============ 功能大卡网格 ============ */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.feature-card{
  display:flex;
  gap:20px;
  padding:28px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.feature-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--sh-2);
  border-color:var(--brand-300);
}
.feature-icon{
  flex:0 0 auto;
  width:56px;
  height:56px;
  border-radius:16px;
  background:var(--brand-50);
  color:var(--brand-700);
  display:grid;
  place-items:center;
  transition:background var(--ease),color var(--ease);
}
.feature-icon svg{width:26px;height:26px;}
.feature-card:hover .feature-icon{background:var(--brand-500);color:#fff;}
.feature-body{min-width:0;}
.feature-body h3{
  font-size:19px;
  line-height:1.35;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--ink-900);
}
.feature-body p{
  margin-top:8px;
  font-size:15px;
  line-height:1.75;
  color:var(--ink-500);
}
.feature-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 12px;
  margin-top:16px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--brand-700);
  background:var(--brand-50);
  border:1px solid rgba(30,169,106,.2);
}
.feature-badge::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--brand-500);
}

/* ============ 对照表 ============ */
.table-wrap{
  margin-top:8px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.compare-table{
  width:100%;
  margin:0;
  border:0;
  border-collapse:collapse;
  font-size:15px;
  background:transparent;
}
.compare-table thead th{
  padding:16px 22px;
  background:var(--brand-50);
  border:0;
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  text-align:left;
  color:var(--ink-900);
}
.compare-table tbody th,
.compare-table tbody td{
  padding:16px 22px;
  border:0;
  border-top:1px solid var(--line);
  text-align:left;
  font-size:15px;
  line-height:1.7;
  font-weight:400;
  color:var(--ink-700);
}
.compare-table tbody th{font-weight:600;color:var(--ink-900);}
.compare-table tbody tr:hover th,
.compare-table tbody tr:hover td{background:var(--bg);}

/* ============ 提示条 ============ */
.notice{
  display:flex;
  align-items:flex-start;
  gap:14px;
  margin-top:32px;
  padding:18px 22px;
  border-left:4px solid var(--accent);
  border-radius:0 var(--r-md) var(--r-md) 0;
  background:#FFF6E7;
}
.notice-icon{
  flex:0 0 auto;
  width:22px;
  height:22px;
  margin-top:2px;
  border-radius:50%;
  border:1.5px solid var(--accent);
  color:var(--accent);
  font-size:13px;
  font-weight:800;
  line-height:19px;
  text-align:center;
}
.notice p{
  font-size:14px;
  line-height:1.8;
  color:var(--ink-700);
}

/* ============ 转化通栏 ============ */
.cta-band{
  display:flex;
  align-items:center;
  gap:32px;
  flex-wrap:wrap;
  padding:32px;
  background:var(--surface);
  border:1.5px solid var(--brand-500);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-1);
}
.cta-media{
  flex:0 0 auto;
  width:180px;
  height:118px;
  border-radius:var(--r-md);
  overflow:hidden;
  background:var(--brand-50);
}
.cta-media img{width:100%;height:100%;object-fit:cover;}
.cta-body{flex:1 1 320px;min-width:0;}
.cta-body h2{
  font-size:24px;
  line-height:1.35;
  font-weight:800;
  letter-spacing:.02em;
  color:var(--ink-900);
}
.cta-body p{
  margin-top:8px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-500);
}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  margin-top:96px;
  padding:64px 0 28px;
  background:var(--ink-900);
  color:#E7EAE4;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:4px;
  background:var(--grad);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.site-footer .brand-mark{background:#EDEFE9;}
.site-footer .brand-mark::before,
.site-footer .brand-mark::after{background:#EDEFE9;}
.site-footer .brand-mark span{background:var(--ink-900);}
.site-footer .brand-mark span::before,
.site-footer .brand-mark span::after{background:#EDEFE9;}
.site-footer .brand-text strong{color:#FFFFFF;}
.site-footer .brand-text em{color:#9AA1A9;}
.footer-col h3{
  font-size:15px;
  font-weight:700;
  letter-spacing:.04em;
  margin-bottom:14px;
  color:#FFFFFF;
}
.footer-col p{
  font-size:14px;
  line-height:1.9;
  color:#B7BDB4;
}
.footer-col ul li{
  margin-bottom:10px;
  font-size:14px;
  line-height:1.8;
  color:#B7BDB4;
}
.footer-col ul li a:hover{color:var(--brand-300);}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  margin-top:48px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;
  line-height:1.9;
  color:#9AA1A9;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .section{padding:72px 0;}
  .page-head{padding:40px 32px 36px;}
  .page-head h1{font-size:34px;}
  .page-head-inner{flex-direction:column;align-items:flex-start;gap:26px;}
  .feature-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}

@media (max-width:640px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .site-header{top:8px;padding:0 12px;}
  .nav-shell{height:56px;padding:0 10px 0 14px;gap:10px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .brand-text strong{font-size:17px;}
  .brand-text em{font-size:10px;}
  .brand-mark{width:30px;height:30px;border-radius:10px;}
  .mobile-drawer{left:12px;right:12px;}
  .breadcrumb{padding:20px 0 0;}
  .page-head{margin-top:16px;padding:30px 22px;border-radius:var(--r-lg);}
  .page-head h1{font-size:26px;}
  .page-lead{font-size:15px;}
  .chip{height:36px;padding:0 14px;font-size:13px;}
  .section-head{margin-bottom:28px;}
  .section-title{font-size:23px;}
  .section-sub{padding-left:14px;font-size:14px;}
  .feature-card{flex-direction:column;gap:16px;padding:22px;}
  .feature-icon{width:48px;height:48px;border-radius:14px;}
  .feature-body h3{font-size:17px;}
  .table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--r-md);}
  .compare-table{min-width:560px;font-size:14px;}
  .compare-table thead th,
  .compare-table tbody th,
  .compare-table tbody td{padding:14px 16px;}
  .notice{padding:16px 18px;}
  .cta-band{padding:24px 22px;flex-direction:column;align-items:flex-start;gap:20px;border-radius:var(--r-lg);}
  .cta-media{width:100%;height:150px;}
  .cta-body h2{font-size:20px;}
  .cta-band .btn{width:100%;}
  .site-footer{margin-top:64px;padding:48px 0 24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:6px;margin-top:32px;}
}