/* roulang page: index */
:root{
  --c-brand:#1E4FA3;
  --c-brand-dark:#163A7C;
  --c-brand-soft:#E8EFFC;
  --c-accent:#F2802E;
  --c-accent-soft:#FFF1E4;
  --c-mint:#12B39A;
  --c-bg:#F6F8FB;
  --c-bg-alt:#EEF3FA;
  --c-card:#FFFFFF;
  --c-line:#E2E8F2;
  --c-ink:#131C2E;
  --c-text:#2A3A55;
  --c-muted:#5B6B87;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:12px;
  --sh-1:0 2px 6px rgba(23,44,80,.06);
  --sh-2:0 10px 28px rgba(23,44,80,.10);
  --nav-h:68px;
  --tabs-h:56px;
  --sp-section:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  font-weight:400;
  overflow-x:hidden;
}
body.is-locked{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:var(--c-brand);text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out,border-color .2s ease-out}
a:hover{color:var(--c-brand-dark)}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,textarea{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px}
.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}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ============ header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  box-shadow:0 1px 0 rgba(23,44,80,.04);
}
.nav-top{
  background:#fff;
  border-bottom:1px solid var(--c-line);
}
.nav-top__inner{
  height:var(--nav-h);
  display:flex;
  align-items:center;
  gap:20px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.logo__mark{
  width:38px;height:38px;
  border-radius:11px;
  background:var(--c-brand);
  color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
  flex:0 0 auto;
}
.logo__mark svg{width:20px;height:20px;display:block}
.logo__text{
  font-size:18px;
  font-weight:700;
  color:var(--c-ink);
  letter-spacing:.01em;
  white-space:nowrap;
}
.logo:hover .logo__text{color:var(--c-brand)}

.nav-search{
  flex:1 1 auto;
  max-width:380px;
  display:flex;
  align-items:center;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  padding:3px 4px 3px 18px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.nav-search:focus-within{
  border-color:var(--c-brand);
  box-shadow:0 0 0 3px var(--c-brand-soft);
}
.nav-search input{
  flex:1 1 auto;
  border:0;
  outline:none;
  background:transparent;
  height:36px;
  color:var(--c-ink);
}
.nav-search input::placeholder{color:var(--c-muted)}
.nav-search button{
  border:0;
  height:36px;
  padding:0 18px;
  border-radius:var(--r-pill);
  background:var(--c-brand-soft);
  color:var(--c-brand-dark);
  font-size:14px;
  font-weight:600;
  transition:background-color .2s ease-out,color .2s ease-out;
}
.nav-search button:hover{background:var(--c-brand);color:#fff}

.nav-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.nav-burger{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  background:#fff;
  padding:0;
  align-items:center;
  justify-content:center;
}
.nav-burger span{
  display:block;
  width:18px;height:2px;
  background:var(--c-ink);
  position:relative;
}
.nav-burger span::before,.nav-burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);
}
.nav-burger span::before{top:-6px}
.nav-burger span::after{top:6px}
.nav-burger:hover{border-color:var(--c-brand)}

/* 第二行频道 Tabs */
.nav-tabs{
  position:relative;
  background:#fff;
  border-bottom:1px solid var(--c-line);
}
.nav-tabs__inner{
  height:var(--tabs-h);
  display:flex;
  align-items:center;
  gap:10px;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  -ms-overflow-style:none;
  scrollbar-width:none;
}
.nav-tabs__inner::-webkit-scrollbar{display:none}
.nav-tabs::after{
  content:"";
  position:absolute;
  top:0;right:0;bottom:1px;
  width:44px;
  background:linear-gradient(90deg,rgba(255,255,255,0),#fff 78%);
  pointer-events:none;
}
.nav-tab{
  scroll-snap-align:start;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--r-pill);
  font-size:15px;
  color:var(--c-text);
  white-space:nowrap;
  transition:background-color .2s ease-out,color .2s ease-out;
}
.nav-tab:hover{background:var(--c-brand-soft);color:var(--c-brand-dark)}
.nav-tab.is-active{background:var(--c-brand);color:#fff;font-weight:600}

/* 移动抽屉 */
.nav-drawer{
  display:none;
  padding:16px 24px 24px;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  box-shadow:var(--sh-1);
}
.nav-drawer.is-open{display:block}
.nav-drawer form{
  display:flex;
  align-items:center;
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  padding:3px 4px 3px 16px;
  margin-bottom:14px;
}
.nav-drawer input{
  flex:1 1 auto;border:0;outline:none;height:38px;background:transparent;color:var(--c-ink);
}
.nav-drawer button{
  border:0;height:38px;padding:0 18px;border-radius:var(--r-pill);
  background:var(--c-brand);color:#fff;font-size:14px;font-weight:600;
}
.nav-drawer ul li + li{border-top:1px solid var(--c-line)}
.nav-drawer ul a{
  display:flex;align-items:center;min-height:48px;color:var(--c-text);font-size:15px;
}
.nav-drawer ul a.is-active{color:var(--c-brand);font-weight:600}
.nav-drawer ul a:hover{color:var(--c-brand)}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  white-space:nowrap;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.btn--primary{background:var(--c-brand);color:#fff}
.btn--primary:hover{background:var(--c-brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn--secondary{background:#fff;color:var(--c-ink);border-color:var(--c-line)}
.btn--secondary:hover{border-color:var(--c-brand);color:var(--c-brand)}
.btn--accent{background:var(--c-accent);color:#fff;border-radius:var(--r-pill)}
.btn--accent:hover{background:#D96D1F;color:#fff;transform:translateY(-1px)}
.btn--ghost-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.55);border-radius:var(--r-btn)}
.btn--ghost-light:hover{background:#fff;color:var(--c-brand-dark);border-color:#fff}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--c-brand);
}
.link-arrow::after{
  content:"→";
  transition:transform .2s ease-out;
}
.link-arrow:hover{color:var(--c-brand-dark);text-decoration:underline}
.link-arrow:hover::after{transform:translateX(2px)}

.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--c-brand);
  font-weight:600;
  background:var(--c-brand-soft);
  border-radius:var(--r-pill);
  padding:5px 12px;
  margin-bottom:14px;
}
.section{padding:var(--sp-section) 0}
.section--alt{background:var(--c-bg-alt)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:28px;margin-bottom:12px}
.section-desc{font-size:16px;color:var(--c-muted);max-width:680px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.section-head--center .section-desc{margin:0 auto}

.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  line-height:1;
  padding:6px 12px;
  border-radius:var(--r-pill);
  font-weight:600;
  letter-spacing:.02em;
}
.pill--brand{background:var(--c-brand-soft);color:var(--c-brand)}
.pill--accent{background:var(--c-accent-soft);color:#C25F12}
.pill--mint{background:rgba(18,179,154,.12);color:#0B8574}
.badge-dot{
  display:inline-block;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--c-mint);
  margin-right:6px;
}

/* ============ Hero ============ */
.hero{
  position:relative;
  color:#fff;
  background-image:
    linear-gradient(100deg, rgba(22,58,124,.72) 0%, rgba(22,58,124,.58) 46%, rgba(19,28,46,.28) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  padding:96px 0 104px;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:6px;
  background:linear-gradient(90deg,var(--c-brand) 0%,var(--c-accent) 62%,var(--c-mint) 100%);
  opacity:.9;
}
.hero__inner{max-width:760px;position:relative;z-index:2}
.hero__crumb{
  font-size:14px;
  color:rgba(255,255,255,.82);
  margin-bottom:18px;
}
.hero__crumb a{color:rgba(255,255,255,.92)}
.hero__crumb a:hover{color:#fff;text-decoration:underline}
.hero__crumb span{margin:0 8px;opacity:.7}
.hero .eyebrow{
  background:rgba(255,255,255,.16);
  color:#fff;
  border:1px solid rgba(255,255,255,.28);
}
.hero h1{
  font-size:38px;
  line-height:1.3;
  color:#fff;
  margin-bottom:18px;
  text-shadow:0 2px 14px rgba(9,20,48,.35);
}
.hero__lead{
  font-size:17px;
  color:rgba(255,255,255,.94);
  max-width:620px;
  margin-bottom:30px;
}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.hero__facts{
  display:flex;
  flex-wrap:wrap;
  gap:14px 34px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.26);
}
.hero__fact{font-size:14px;color:rgba(255,255,255,.9)}
.hero__fact strong{
  display:block;
  font-size:22px;
  font-weight:700;
  color:#fff;
  font-variant-numeric:tabular-nums;
  line-height:1.3;
  margin-bottom:2px;
}

/* ============ 痛点 ============ */
.pain-list{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:0;
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
}
.pain-item{
  padding:34px 30px 34px 0;
  position:relative;
}
.pain-item + .pain-item{padding-left:34px;border-left:1px solid var(--c-line)}
.pain-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:50%;
  background:var(--c-brand-soft);
  color:var(--c-brand);
  font-size:14px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.pain-item h3{font-size:19px;margin-bottom:10px}
.pain-item p{font-size:15px;color:var(--c-muted)}

/* ============ 解决方案 ============ */
.solution-grid{align-items:flex-start}
.step-list{margin:28px 0 32px}
.step-item{
  display:flex;
  gap:18px;
  padding:20px 0;
  border-top:1px solid var(--c-line);
}
.step-item:last-child{border-bottom:1px solid var(--c-line)}
.step-num{
  flex:0 0 auto;
  width:34px;height:34px;
  border-radius:10px;
  background:var(--c-brand);
  color:#fff;
  font-size:15px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-variant-numeric:tabular-nums;
}
.step-item h3{font-size:19px;margin-bottom:6px}
.step-item p{font-size:15px;color:var(--c-muted)}
.solution-visual{display:flex;flex-direction:column;gap:20px}
.solution-figure{
  margin:0;
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  border:1px solid var(--c-line);
  background:var(--c-bg-alt);
}
.solution-figure img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:0;
}
.panel{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:22px 24px;
  box-shadow:var(--sh-1);
}
.panel__head{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--c-muted);
  letter-spacing:.06em;
  padding-bottom:14px;
  border-bottom:1px solid var(--c-line);
  margin-bottom:6px;
}
.panel__head i{
  width:8px;height:8px;border-radius:50%;
  background:var(--c-mint);
  display:inline-block;
}
.panel__list li{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:13px 0;
  font-size:15px;
  color:var(--c-text);
  border-bottom:1px dashed var(--c-line);
}
.panel__list li:last-child{border-bottom:0}

/* ============ 数据条 ============ */
.stat-bar{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
}
.stat{
  padding:34px 24px 34px 0;
  position:relative;
}
.stat + .stat{padding-left:32px;border-left:1px solid var(--c-line)}
.stat-value{
  display:flex;
  align-items:baseline;
  gap:6px;
  color:var(--c-ink);
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.stat-value b{font-size:36px;line-height:1.1}
.stat-value em{font-style:normal;font-size:15px;color:var(--c-brand)}
.stat-label{display:block;margin-top:8px;font-size:14px;color:var(--c-muted)}

/* ============ 证言 ============ */
.quote-card{
  margin:0;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:28px 26px;
  box-shadow:var(--sh-1);
  height:100%;
  display:flex;
  flex-direction:column;
  gap:20px;
  transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.quote-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:var(--c-brand-soft)}
.quote-card--offset{margin-top:26px}
.quote-text{
  font-size:17px;
  line-height:1.8;
  color:var(--c-ink);
  border-left:3px solid var(--c-brand);
  padding-left:16px;
}
.quote-meta{
  display:flex;
  align-items:center;
  gap:12px;
  margin-top:auto;
}
.quote-meta img{
  width:44px;height:44px;
  border-radius:50%;
  object-fit:cover;
  background:var(--c-bg-alt);
}
.quote-meta span{font-size:14px;color:var(--c-muted)}

/* ============ 最新信息 ============ */
.latest-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:36px;
}
.latest-head .section-head{margin-bottom:0}
.post-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.post-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:var(--c-brand-soft)}
.post-card__media{
  display:block;
  background:var(--c-bg-alt);
  overflow:hidden;
}
.post-card__media img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:0;
  transition:transform .3s ease-out;
}
.post-card:hover .post-card__media img{transform:scale(1.03)}
.post-card__body{
  padding:20px 22px 22px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1 1 auto;
}
.post-card__meta{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  font-size:14px;
  color:var(--c-muted);
}
.post-card__title{
  font-size:18px;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-card__title a{color:var(--c-ink)}
.post-card__title a:hover{color:var(--c-brand)}
.post-card__excerpt{
  font-size:14px;
  color:var(--c-muted);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-card__foot{margin-top:auto;padding-top:6px}
.post-card--wide .post-card__body{padding:26px 28px}
.post-card--wide .post-card__title{font-size:22px;-webkit-line-clamp:2}
.post-card--wide .post-card__excerpt{font-size:15px;-webkit-line-clamp:3;max-width:640px}
.latest-empty{
  background:var(--c-card);
  border:1px dashed var(--c-line);
  border-radius:var(--r-card);
  padding:56px 24px;
  text-align:center;
}
.latest-empty__icon{
  width:52px;height:52px;
  border-radius:50%;
  background:var(--c-brand-soft);
  color:var(--c-brand);
  display:inline-flex;align-items:center;justify-content:center;
  margin-bottom:16px;
  font-size:22px;
}
.latest-empty p{color:var(--c-muted);font-size:15px;margin-bottom:18px}

/* ============ CTA ============ */
.cta-band{
  background:var(--c-brand);
  border-radius:var(--r-card);
  padding:56px 48px;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.86);font-size:15px;max-width:560px}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn--accent{box-shadow:0 6px 18px rgba(15,32,70,.22)}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-accordion{margin:0;background:transparent;border:0}
.faq-accordion .accordion-item{
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  background:var(--c-card);
  box-shadow:var(--sh-1);
  margin-bottom:12px;
  overflow:hidden;
  transition:box-shadow .2s ease-out,border-color .2s ease-out;
}
.faq-accordion .accordion-item:hover{box-shadow:var(--sh-2);border-color:var(--c-brand-soft)}
.faq-accordion .accordion-title{
  position:relative;
  display:block;
  font-size:16px;
  font-weight:600;
  color:var(--c-ink);
  padding:20px 56px 20px 26px;
  border:0;
  background:var(--c-card);
  line-height:1.6;
}
.faq-accordion .accordion-title::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:transparent;
  transition:background-color .2s ease-out;
}
.faq-accordion .accordion-title::after{
  content:"+";
  position:absolute;
  right:24px;
  top:50%;
  transform:translateY(-50%);
  font-size:20px;
  font-weight:400;
  color:var(--c-brand);
  line-height:1;
}
.faq-accordion .accordion-item.is-active .accordion-title::before{background:var(--c-brand)}
.faq-accordion .accordion-item.is-active .accordion-title::after{content:"−"}
.faq-accordion .accordion-title:hover{color:var(--c-brand);background:var(--c-brand-soft)}
.faq-accordion .accordion-content{
  border:0;
  background:var(--c-card);
  padding:0 26px 22px 26px;
  font-size:15px;
  line-height:1.8;
  color:var(--c-text);
}
.faq-accordion .accordion-content p{font-size:15px;color:var(--c-text)}
.faq-accordion .accordion-content p + p{margin-top:10px}

/* ============ 表单 ============ */
.consult-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field--full{grid-column:1 / -1}
.field label{font-size:13px;color:var(--c-muted);font-weight:600}
.field input,.field textarea{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  height:46px;
  padding:0 14px;
  color:var(--c-ink);
  outline:none;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{border-color:var(--c-brand);box-shadow:0 0 0 3px var(--c-brand-soft)}
.consult-card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:32px;
  box-shadow:var(--sh-1);
}
.consult-note{margin-top:16px;font-size:13px;color:var(--c-muted)}

/* ============ footer ============ */
.site-footer{
  background:var(--c-bg-alt);
  border-top:1px solid var(--c-line);
  padding:60px 0 26px;
  margin-top:var(--sp-section);
}
.footer-grid{gap:0}
.footer-brand p{
  font-size:14px;
  color:var(--c-muted);
  margin-top:16px;
  max-width:380px;
}
.footer-contact{
  font-size:14px;
  color:var(--c-text);
  margin-top:10px;
}
.footer-col h3{
  font-size:14px;
  font-weight:600;
  color:var(--c-ink);
  margin-bottom:16px;
  letter-spacing:.04em;
}
.footer-col ul li{margin-bottom:10px;font-size:14px;color:var(--c-muted)}
.footer-col ul li a{font-size:14px;color:var(--c-muted)}
.footer-col ul li a:hover{color:var(--c-brand);text-decoration:underline}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid var(--c-line);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--c-muted);
}

/* ============ Foundation 覆盖 ============ */
.grid-margin-x > .cell{width:auto}
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x > .cell{padding-left:12px;padding-right:12px}
.grid-margin-y{margin-top:-12px}
.grid-margin-y > .cell{padding-top:12px;padding-bottom:12px}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--sp-section:64px}
  .hero{padding:76px 0 84px}
  .hero h1{font-size:32px}
  .pain-list{grid-template-columns:1fr}
  .pain-item{padding:26px 0}
  .pain-item + .pain-item{padding-left:0;border-left:0;border-top:1px solid var(--c-line)}
  .stat-bar{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat{padding:28px 20px 28px 0}
  .stat:nth-child(3){padding-left:0;border-left:0;border-top:1px solid var(--c-line)}
  .stat:nth-child(4){border-top:1px solid var(--c-line)}
  .section-head{margin-bottom:32px}
  .section-head h2{font-size:25px}
  .cta-band{padding:44px 34px}
}
@media (max-width:768px){
  .nav-search{display:none}
  .nav-burger{display:inline-flex}
  .nav-actions .btn{display:none}
  .nav-actions .btn--mobile-keep{display:inline-flex}
  .logo__text{font-size:16px}
  .hero h1{font-size:29px}
  .hero__lead{font-size:16px}
  .consult-grid{grid-template-columns:1fr}
  .post-card--wide .post-card__body{padding:22px 22px 24px}
  .post-card--wide .post-card__title{font-size:20px}
}
@media (max-width:640px){
  :root{--sp-section:48px;--nav-h:56px;--tabs-h:54px}
  .container{padding-left:18px;padding-right:18px}
  .hero{padding:52px 0 62px}
  .hero h1{font-size:26px}
  .hero__actions{gap:12px}
  .hero__actions .btn{width:100%}
  .hero__facts{gap:12px 22px}
  .hero__fact strong{font-size:19px}
  .stat-bar{grid-template-columns:1fr}
  .stat{padding:22px 0}
  .stat + .stat{padding-left:0;border-left:0;border-top:1px solid var(--c-line)}
  .stat:nth-child(3),.stat:nth-child(4){padding-left:0;border-left:0}
  .cta-band{padding:34px 22px;border-radius:12px}
  .cta-band h2{font-size:23px}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{flex:1 1 auto}
  .section-head h2{font-size:23px}
  .post-card__title{font-size:17px}
  .footer-bottom{flex-direction:column;gap:8px}
  .quote-text{font-size:16px}
  .consult-card{padding:24px 20px}
  .latest-head{margin-bottom:26px}
}

/* roulang page: article */
:root{
  --c-brand:#1E4FA3;--c-brand-dark:#163A7C;--c-brand-soft:#E8EFFC;
  --c-accent:#F2802E;--c-accent-soft:#FFF1E4;
  --c-mint:#12B39A;--c-bg:#F6F8FB;--c-bg-alt:#EEF3FA;--c-card:#FFFFFF;--c-line:#E2E8F2;
  --c-ink:#131C2E;--c-text:#2A3A55;--c-muted:#5B6B87;
  --r-card:14px;--r-btn:10px;--r-pill:999px;--r-img:12px;
  --sh-1:0 2px 6px rgba(23,44,80,.06);--sh-2:0 10px 28px rgba(23,44,80,.10);
  --sect:88px;--hd:68px;--tabs:48px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--c-bg);color:var(--c-text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.75;font-weight:400;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-brand);text-decoration:none;transition:color .2s ease-out}
a:hover{color:var(--c-brand-dark)}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sect) 0}
.section--tight{padding:56px 0}
.section-head{margin-bottom:36px;max-width:780px}
.section-head h2{font-size:28px;margin-bottom:10px}
.section-head p{color:var(--c-muted);font-size:15px}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.08em;color:var(--c-brand);font-weight:600;margin-bottom:10px}
.num{font-variant-numeric:tabular-nums}

/* 顶部品牌栏 */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line)}
.header-inner{display:flex;align-items:center;gap:18px;height:var(--hd);max-width:1200px;margin:0 auto;padding:0 24px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-width:0}
.logo__mark{width:36px;height:36px;border-radius:10px;background:var(--c-brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;box-shadow:var(--sh-1)}
.logo__text{font-size:18px;font-weight:700;color:var(--c-ink);white-space:nowrap;letter-spacing:.01em}
.logo__text small{display:block;font-size:11px;font-weight:400;color:var(--c-muted);letter-spacing:.08em;line-height:1.2}
.header-search{flex:1 1 auto;max-width:420px;margin-left:auto;position:relative}
.header-search input{width:100%;height:44px;border-radius:var(--r-pill);border:1px solid var(--c-line);background:#fff;padding:0 46px 0 18px;font-size:14px;color:var(--c-text);transition:border-color .2s ease-out,box-shadow .2s ease-out}
.header-search input::placeholder{color:#93A1B8}
.header-search input:focus{border-color:var(--c-brand);box-shadow:var(--sh-1);outline:none}
.header-search button{position:absolute;right:6px;top:6px;width:32px;height:32px;border:0;border-radius:50%;background:var(--c-brand-soft);color:var(--c-brand);display:flex;align-items:center;justify-content:center}
.header-search button:hover{background:var(--c-brand);color:#fff}
.header-cta{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 22px;border-radius:var(--r-pill);background:var(--c-accent);color:#fff;font-size:15px;font-weight:600;transition:background .2s ease-out,transform .2s ease-out}
.header-cta:hover{background:#D96C1C;color:#fff;transform:translateY(-1px)}
.menu-btn{display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;color:var(--c-ink);align-items:center;justify-content:center;font-size:16px}

/* 频道 Tabs */
.nav-tabs{position:sticky;top:var(--hd);z-index:55;background:#fff;border-bottom:1px solid var(--c-line);height:var(--tabs)}
.nav-tabs__inner{display:flex;align-items:center;gap:8px;height:var(--tabs);overflow-x:auto;scroll-snap-type:x proximity;-ms-overflow-style:none;scrollbar-width:none;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
  mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%)}
.nav-tabs__inner::-webkit-scrollbar{display:none}
.nav-tab{flex:0 0 auto;scroll-snap-align:start;display:inline-flex;align-items:center;height:34px;padding:8px 16px;border-radius:var(--r-pill);font-size:15px;color:var(--c-text);white-space:nowrap;transition:background .2s ease-out,color .2s ease-out}
.nav-tab:hover{background:var(--c-brand-soft);color:var(--c-brand)}
.nav-tab.is-active{background:var(--c-brand);color:#fff}

/* 移动抽屉 */
.drawer{position:fixed;inset:0;z-index:80;display:none}
.drawer.is-open{display:block}
.drawer__mask{position:absolute;inset:0;background:rgba(19,28,46,.42)}
.drawer__panel{position:absolute;top:0;right:0;width:min(320px,86vw);height:100%;background:#fff;padding:20px;box-shadow:var(--sh-2);display:flex;flex-direction:column;gap:8px}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.drawer__head strong{font-size:16px;color:var(--c-ink)}
.drawer__close{width:40px;height:40px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;color:var(--c-ink)}
.drawer__link{display:flex;align-items:center;height:46px;padding:0 14px;border-radius:var(--r-btn);color:var(--c-text);font-size:15px}
.drawer__link:hover,.drawer__link.is-active{background:var(--c-brand-soft);color:var(--c-brand)}
.drawer__cta{margin-top:auto;display:flex;align-items:center;justify-content:center;height:46px;border-radius:var(--r-btn);background:var(--c-accent);color:#fff;font-weight:600}
body.no-scroll{overflow:hidden}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out}
.btn--primary{background:var(--c-brand);color:#fff}
.btn--primary:hover{background:var(--c-brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--ghost{background:#fff;border-color:var(--c-line);color:var(--c-ink)}
.btn--ghost:hover{border-color:var(--c-brand);color:var(--c-brand)}
.btn--accent{background:var(--c-accent);color:#fff}
.btn--accent:hover{background:#D96C1C;color:#fff;transform:translateY(-1px)}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-brand)}
.text-link i{transition:transform .2s ease-out}
.text-link:hover{text-decoration:underline}
.text-link:hover i{transform:translateX(2px)}

/* 面包屑 */
.crumb-bar{background:#fff;border-bottom:1px solid var(--c-line)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:14px;color:var(--c-muted);padding:14px 0;margin:0}
.breadcrumb a{color:var(--c-muted)}
.breadcrumb a:hover{color:var(--c-brand)}
.breadcrumb li{display:flex;align-items:center;gap:6px;max-width:100%}
.breadcrumb li.current{color:var(--c-ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:60vw}
.breadcrumb i{font-size:10px;color:#B4C0D4}

/* 文章头部 */
.article-hero{background:#fff;border-bottom:1px solid var(--c-line);padding:40px 0 32px}
.article-hero__inner{max-width:860px}
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);background:var(--c-brand-soft);color:var(--c-brand);font-size:12px;letter-spacing:.08em;font-weight:600}
.badge--mint{background:#E4F7F3;color:#0E8E7B}
.article-hero h1{font-size:34px;margin:16px 0 0;letter-spacing:.01em}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:20px;padding-top:18px;border-top:1px solid var(--c-line);font-size:14px;color:var(--c-muted)}
.meta-row span{display:inline-flex;align-items:center;gap:7px}
.meta-row i{color:#9AA8BF}

/* 正文 */
.article-main{padding:56px 0 var(--sect)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px}
.prose{max-width:800px;margin:0 auto;font-size:17px;line-height:1.85;color:var(--c-text);overflow-wrap:break-word}
.prose>*:first-child{margin-top:0}
.prose p{margin:0 0 1.2em}
.prose h2{font-size:25px;margin:2.1em 0 .8em;position:relative;padding-left:15px}
.prose h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;border-radius:2px;background:var(--c-brand)}
.prose h3{font-size:19px;margin:1.7em 0 .6em;color:var(--c-ink)}
.prose h4{font-size:17px;margin:1.4em 0 .5em}
.prose ul,.prose ol{margin:0 0 1.3em;padding-left:1.3em}
.prose ul li{list-style:disc}
.prose ol li{list-style:decimal}
.prose li{margin:.42em 0}
.prose img{border-radius:var(--r-img);box-shadow:var(--sh-1);margin:1.6em 0;background:var(--c-bg-alt)}
.prose figure{margin:1.6em 0}
.prose figcaption{margin-top:10px;font-size:13px;color:var(--c-muted);text-align:center}
.prose blockquote{margin:1.7em 0;padding:16px 20px;background:var(--c-brand-soft);border-left:3px solid var(--c-brand);border-radius:0 var(--r-img) var(--r-img) 0;color:var(--c-ink);font-size:16px}
.prose blockquote p:last-child{margin-bottom:0}
.prose a{color:var(--c-brand);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--c-brand-dark)}
.prose table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;background:#fff;border-radius:var(--r-img);overflow:hidden}
.prose th,.prose td{border:1px solid var(--c-line);padding:12px 14px;text-align:left}
.prose th{background:var(--c-bg-alt);color:var(--c-ink);font-weight:600}
.prose hr{border:0;border-top:1px solid var(--c-line);margin:2.2em 0}
.prose code{background:var(--c-bg-alt);border-radius:6px;padding:2px 7px;font-size:14px;color:var(--c-brand-dark)}

/* 空态 */
.empty-state{max-width:800px;margin:0 auto;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:48px 28px;text-align:center}
.empty-state i{font-size:30px;color:var(--c-brand);background:var(--c-brand-soft);width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 18px}
.empty-state h2{font-size:21px;margin-bottom:10px}
.empty-state p{color:var(--c-muted);font-size:15px;margin-bottom:22px}

/* 文末行动区 */
.article-cta{max-width:800px;margin:48px auto 0;background:var(--c-brand-soft);border:1px solid #D6E3F8;border-radius:var(--r-card);padding:26px}
.article-cta h3{font-size:19px;margin-bottom:8px}
.article-cta p{font-size:15px;color:var(--c-text);margin-bottom:18px}
.article-cta__btns{display:flex;flex-wrap:wrap;gap:12px}

/* 相关推荐 */
.related{margin-top:64px}
.related h2{font-size:22px;margin-bottom:20px}
.related__list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rcard{display:flex;gap:14px;align-items:center;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:14px;transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out}
.rcard:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:var(--c-brand-soft)}
.rcard__thumb{flex:0 0 96px;width:96px;aspect-ratio:16/9;border-radius:var(--r-img);overflow:hidden;background:var(--c-bg-alt)}
.rcard__thumb img{width:100%;height:100%;object-fit:cover}
.rcard__body{min-width:0}
.rcard__body h3{font-size:16px;line-height:1.5;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.rcard__body span{display:block;margin-top:8px;font-size:13px;color:var(--c-muted)}
.related__back{display:flex;justify-content:center;margin-top:34px}

/* CTA 条 */
.cta-band{background:var(--c-brand);color:#fff;border-radius:var(--r-card);padding:44px 32px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:8px}
.cta-band p{color:rgba(255,255,255,.86);font-size:15px;max-width:620px}
.cta-band__btns{display:flex;flex-wrap:wrap;gap:12px}
.cta-band .btn--ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.cta-band .btn--ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}

/* 页脚 */
.site-footer{background:var(--c-bg-alt);border-top:1px solid var(--c-line);margin-top:var(--sect);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-brand p{font-size:14px;color:var(--c-muted);margin:14px 0 16px;max-width:320px}
.footer-brand .logo__text{font-size:16px}
.quote-meta{display:inline-flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);padding:6px 14px 6px 6px;font-size:13px;color:var(--c-muted)}
.quote-meta img{width:28px;height:28px;border-radius:50%;object-fit:cover}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:var(--c-ink);margin-bottom:14px}
.footer-col a{display:block;font-size:14px;color:var(--c-muted);padding:5px 0}
.footer-col a:hover{color:var(--c-brand)}
.footer-bottom{margin-top:40px;border-top:1px solid var(--c-line);padding:18px 0;font-size:13px;color:var(--c-muted);display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between}

@media (max-width:1024px){
  :root{--sect:64px}
  .header-search{display:none}
  .menu-btn{display:inline-flex}
  .footer-grid{grid-template-columns:1fr 1fr}
  .related__list{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .article-hero h1{font-size:28px}
  .prose{font-size:16px}
  .cta-band{padding:32px 22px}
  .cta-band h2{font-size:22px}
}
@media (max-width:640px){
  :root{--sect:48px;--hd:56px;--tabs:46px}
  .container{padding:0 18px}
  .header-inner{padding:0 18px;gap:10px}
  .logo__mark{width:32px;height:32px;font-size:15px}
  .logo__text{font-size:16px}
  .header-cta{display:none}
  .article-hero{padding:28px 0 24px}
  .article-hero h1{font-size:26px}
  .breadcrumb li.current{max-width:52vw}
  .article-main{padding:36px 0 var(--sect)}
  .related__list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .article-cta{padding:20px}
  .related__back .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --c-brand:#1E4FA3;--c-brand-dark:#163A7C;--c-brand-soft:#E8EFFC;
  --c-accent:#F2802E;--c-accent-soft:#FFF1E4;--c-mint:#12B39A;
  --c-bg:#F6F8FB;--c-bg-alt:#EEF3FA;--c-card:#FFFFFF;--c-line:#E2E8F2;
  --c-ink:#131C2E;--c-text:#2A3A55;--c-muted:#5B6B87;
  --r-card:14px;--r-btn:10px;--r-pill:999px;--r-img:12px;
  --sh-1:0 2px 6px rgba(23,44,80,.06);--sh-2:0 10px 28px rgba(23,44,80,.10);
  --sec-y:88px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font-cn);font-size:16px;line-height:1.75;
  color:var(--c-text);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-brand);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--c-brand-dark);}
h1,h2,h3,h4{color:var(--c-ink);font-weight:700;margin:0 0 .6em;line-height:1.35;}
h1{font-size:38px;}
h2{font-size:28px;}
h3{font-size:19px;}
p{margin:0 0 1.1em;}
ul{margin:0;padding:0;}
button,input,textarea,select{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}

.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
.section{padding:var(--sec-y) 0;}
.section--tight{padding:56px 0;}
.section-head{max-width:760px;margin:0 0 40px;}
.section-head p{color:var(--c-muted);font-size:15px;margin:0;}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.08em;color:var(--c-brand);font-weight:600;margin-bottom:10px;}
.h-bar{position:relative;padding-left:16px;}
.h-bar::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:3px;border-radius:3px;background:var(--c-brand);}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;box-shadow:0 1px 0 var(--c-line);}
.header-top{display:flex;align-items:center;gap:20px;min-height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:38px;height:38px;border-radius:10px;background:var(--c-brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;box-shadow:var(--sh-1);}
.brand-text{font-size:18px;font-weight:700;color:var(--c-ink);white-space:nowrap;}
.brand-text span{color:var(--c-brand);}
.header-search{flex:1 1 auto;max-width:420px;display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);padding:0 6px 0 16px;height:44px;transition:border-color .2s ease-out,box-shadow .2s ease-out;}
.header-search:focus-within{border-color:var(--c-brand);box-shadow:var(--sh-1);}
.header-search input{flex:1;border:0;outline:none;height:42px;font-size:14px;color:var(--c-text);background:transparent;min-width:0;}
.header-search input::placeholder{color:var(--c-muted);}
.header-search button{border:0;background:var(--c-brand-soft);color:var(--c-brand);height:34px;padding:0 16px;border-radius:var(--r-pill);font-size:14px;font-weight:600;cursor:pointer;transition:background .2s ease-out;}
.header-search button:hover{background:var(--c-brand);color:#fff;}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:44px;min-height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:all .2s ease-out;text-align:center;line-height:1;}
.btn-primary{background:var(--c-brand);color:#fff;}
.btn-primary:hover{background:var(--c-brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-outline{background:#fff;border-color:var(--c-line);color:var(--c-ink);}
.btn-outline:hover{border-color:var(--c-brand);color:var(--c-brand);}
.btn-accent{background:var(--c-accent);color:#fff;border-radius:var(--r-pill);}
.btn-accent:hover{background:#DB6B1C;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-sm{height:40px;min-height:40px;padding:0 18px;font-size:14px;}
.link-more{font-size:14px;font-weight:600;color:var(--c-brand);display:inline-flex;align-items:center;gap:4px;}
.link-more::after{content:"→";transition:transform .2s ease-out;}
.link-more:hover{text-decoration:underline;}
.link-more:hover::after{transform:translateX(2px);}
.nav-burger{display:none;width:44px;height:44px;border:1px solid var(--c-line);background:#fff;border-radius:10px;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:4px;padding:0;}
.nav-burger span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:.2s;}

.nav-tabs{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.nav-tabs__inner{display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;scrollbar-width:none;}
.nav-tabs__inner::-webkit-scrollbar{display:none;}
.nav-tab{flex:0 0 auto;scroll-snap-align:start;padding:8px 16px;border-radius:var(--r-pill);font-size:15px;color:var(--c-text);transition:background .2s ease-out,color .2s ease-out;white-space:nowrap;}
.nav-tab:hover{background:var(--c-brand-soft);color:var(--c-brand);}
.nav-tab.is-active{background:var(--c-brand);color:#fff;font-weight:600;}

.mobile-drawer{display:none;position:fixed;inset:0;background:#fff;z-index:80;padding:22px 24px;overflow-y:auto;}
.mobile-drawer.is-open{display:block;}
.mobile-drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.mobile-drawer__close{width:44px;height:44px;border:1px solid var(--c-line);background:#fff;border-radius:10px;font-size:20px;color:var(--c-ink);cursor:pointer;line-height:1;}
.mobile-drawer__list{list-style:none;display:flex;flex-direction:column;gap:8px;}
.mobile-drawer__list a{display:block;padding:13px 16px;border:1px solid var(--c-line);border-radius:10px;font-size:15px;color:var(--c-ink);}
.mobile-drawer__list a.is-active{background:var(--c-brand-soft);border-color:var(--c-brand-soft);color:var(--c-brand);font-weight:600;}
.mobile-drawer__cta{margin-top:18px;width:100%;}

/* ---------- banner ---------- */
.page-banner{position:relative;color:#fff;padding:64px 0 56px;background-color:var(--c-brand);
  background-image:linear-gradient(100deg,rgba(22,58,124,.72) 0%,rgba(30,79,163,.52) 52%,rgba(30,79,163,.24) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;}
.page-banner h1{color:#fff;font-size:36px;margin-bottom:14px;max-width:760px;}
.page-banner p{color:rgba(255,255,255,.9);font-size:16px;max-width:720px;margin:0;}
.banner-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;}
.banner-tags span{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);font-size:13px;color:#fff;}
.crumb-bar{background:#fff;border-bottom:1px solid var(--c-line);}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:14px 0;font-size:14px;color:var(--c-muted);}
.crumb a{color:var(--c-muted);}
.crumb a:hover{color:var(--c-brand);}
.crumb span.sep{color:var(--c-line);}
.crumb .current{color:var(--c-ink);font-weight:600;}

/* ---------- split layout ---------- */
.layout-split{align-items:flex-start;}
.side-nav{position:sticky;top:132px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:18px;box-shadow:var(--sh-1);}
.side-nav__title{font-size:12px;letter-spacing:.08em;color:var(--c-muted);font-weight:600;margin:0 0 12px;}
.side-nav__list{list-style:none;display:flex;flex-direction:column;gap:4px;}
.side-link{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px 14px;border-radius:10px;font-size:15px;color:var(--c-text);border-left:3px solid transparent;min-height:44px;transition:background .2s ease-out,color .2s ease-out;}
.side-link:hover{background:var(--c-brand-soft);color:var(--c-brand);}
.side-link.is-active{background:var(--c-brand-soft);color:var(--c-brand);font-weight:600;border-left-color:var(--c-brand);}
.side-link em{font-style:normal;font-size:12px;color:var(--c-muted);}
.side-note{margin-top:18px;padding-top:16px;border-top:1px solid var(--c-line);font-size:13px;color:var(--c-muted);line-height:1.7;}
.side-note a{font-weight:600;}

/* ---------- content blocks ---------- */
.content-card{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);}
.content-card + .content-card{margin-top:24px;}
.block-title{font-size:28px;margin-bottom:14px;}
.problem-list{list-style:none;display:flex;flex-direction:column;gap:0;}
.problem-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--c-line);}
.problem-list li:last-child{border-bottom:0;padding-bottom:0;}
.problem-list li:first-child{padding-top:0;}
.num-dot{flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--c-brand-soft);color:var(--c-brand);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:3px;}
.problem-list strong{display:block;color:var(--c-ink);font-size:16px;font-weight:600;margin-bottom:2px;}
.problem-list p{margin:0;font-size:15px;color:var(--c-text);}

.figure{margin:0 0 24px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);background:var(--c-bg-alt);}
.figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.figure figcaption{font-size:13px;color:var(--c-muted);padding:10px 16px;background:#fff;border-top:1px solid var(--c-line);}

.cap-list{list-style:none;}
.cap-item{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--c-line);}
.cap-item:last-child{border-bottom:0;padding-bottom:0;}
.cap-item:first-child{padding-top:0;}
.cap-icon{flex:0 0 auto;width:44px;height:44px;border-radius:12px;background:var(--c-brand-soft);color:var(--c-brand);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;}
.cap-body h3{margin:0 0 6px;font-size:19px;}
.cap-body p{margin:0;font-size:15px;color:var(--c-text);}
.cap-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.02em;background:var(--c-brand-soft);color:var(--c-brand);font-weight:600;}
.badge--mint{background:rgba(18,179,154,.12);color:#0C8C79;}
.badge--muted{background:var(--c-bg-alt);color:var(--c-muted);font-weight:500;}

.scene-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px;}
.scene-tags a{display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:var(--r-pill);border:1px solid var(--c-line);background:#fff;font-size:14px;color:var(--c-text);transition:all .2s ease-out;}
.scene-tags a:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px);box-shadow:var(--sh-1);}

/* ---------- table ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--c-line);border-radius:var(--r-card);background:#fff;box-shadow:var(--sh-1);}
table.spec{width:100%;border-collapse:collapse;min-width:680px;font-size:15px;}
table.spec caption{caption-side:top;text-align:left;padding:18px 20px 6px;font-size:14px;color:var(--c-muted);}
table.spec th{background:var(--c-bg-alt);color:var(--c-ink);font-weight:600;text-align:left;padding:14px 18px;border-bottom:1px solid var(--c-line);white-space:nowrap;}
table.spec td{padding:14px 18px;border-bottom:1px solid var(--c-line);color:var(--c-text);vertical-align:top;}
table.spec tbody tr:last-child td{border-bottom:0;}
table.spec tbody tr:hover{background:var(--c-brand-soft);}

/* ---------- stat bar ---------- */
.stat-bar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);padding:30px 0;}
.stat-item{text-align:center;padding:6px 10px;border-right:1px solid var(--c-line);}
.stat-item:last-child{border-right:0;}
.stat-num{font-size:34px;font-weight:700;color:var(--c-brand);font-variant-numeric:tabular-nums;display:block;line-height:1.1;}
.stat-num small{font-size:15px;font-weight:600;color:var(--c-brand);margin-left:2px;}
.stat-label{display:block;font-size:14px;color:var(--c-muted);margin-top:6px;}

/* ---------- cta ---------- */
.cta-band{background:var(--c-brand);color:#fff;border-radius:var(--r-card);padding:44px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:26px;margin:0 0 8px;}
.cta-band p{color:rgba(255,255,255,.86);margin:0;font-size:15px;max-width:620px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-band .btn-outline{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.cta-band .btn-outline:hover{background:#fff;color:var(--c-brand);border-color:#fff;}

/* ---------- faq ---------- */
.faq-wrap .accordion{background:transparent;margin:0;border:0;}
.faq-wrap .accordion-item{border:1px solid var(--c-line);border-left:3px solid transparent;border-radius:var(--r-card);background:#fff;margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);transition:border-color .2s ease-out,box-shadow .2s ease-out;}
.faq-wrap .accordion-item:hover{box-shadow:var(--sh-2);}
.faq-wrap .accordion-item.is-active{border-left-color:var(--c-brand);border-color:var(--c-line);}
.faq-wrap .accordion-title{border:0;padding:18px 54px 18px 22px;font-size:16px;font-weight:600;color:var(--c-ink);background:#fff;position:relative;line-height:1.5;}
.faq-wrap .accordion-title:hover{background:var(--c-brand-soft);color:var(--c-brand);}
.faq-wrap .accordion-title::before{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:20px;font-weight:600;color:var(--c-brand);font-family:var(--font-cn);}
.faq-wrap .accordion-item.is-active .accordion-title::before{content:"–";}
.faq-wrap .accordion-content{border:0;padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--c-text);background:#fff;}
.faq-wrap .accordion-content p{margin:0;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-bg-alt);border-top:1px solid var(--c-line);margin-top:0;padding:60px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{font-size:14px;color:var(--c-muted);max-width:320px;line-height:1.8;}
.footer-contact{font-size:14px;color:var(--c-text);margin-top:12px;}
.footer-contact strong{color:var(--c-ink);font-weight:600;}
.footer-col h4{font-size:14px;letter-spacing:.04em;color:var(--c-ink);margin-bottom:14px;font-weight:700;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--c-muted);}
.footer-col a:hover{color:var(--c-brand);}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid var(--c-line);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--c-muted);}
.footer-bottom a{color:var(--c-muted);}
.footer-bottom a:hover{color:var(--c-brand);}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  :root{--sec-y:64px;}
  .layout-split{display:block;}
  .side-nav{position:static;padding:12px;margin-bottom:22px;}
  .side-nav__title{display:none;}
  .side-nav__list{flex-direction:row;overflow-x:auto;gap:8px;scrollbar-width:none;}
  .side-nav__list::-webkit-scrollbar{display:none;}
  .side-link{flex:0 0 auto;border-left:0;border-radius:var(--r-pill);padding:9px 18px;}
  .side-link.is-active{border-left:0;}
  .side-note{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .page-banner h1{font-size:30px;}
  .stat-bar{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--c-line);padding-bottom:18px;margin-bottom:6px;}
}
@media (max-width:860px){
  .header-search{display:none;}
  .nav-burger{display:flex;}
  .header-actions .btn{display:none;}
  .brand-text{font-size:16px;}
}
@media (max-width:640px){
  .container{padding:0 18px;}
  h1{font-size:26px;}
  h2,.block-title{font-size:23px;}
  .section{padding:48px 0;}
  .section--tight{padding:40px 0;}
  .page-banner{padding:44px 0 40px;}
  .page-banner h1{font-size:26px;}
  .content-card{padding:20px;}
  .cap-item{gap:12px;}
  .cap-icon{width:38px;height:38px;font-size:14px;}
  .cta-band{padding:30px 22px;}
  .cta-band h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .stat-num{font-size:27px;}
  .figure img{aspect-ratio:16/10;}
}

/* roulang page: category2 */
:root{
  --c-brand:#1E4FA3;
  --c-brand-dark:#163A7C;
  --c-brand-soft:#E8EFFC;
  --c-accent:#F2802E;
  --c-accent-soft:#FFF1E4;
  --c-mint:#12B39A;
  --c-bg:#F6F8FB;
  --c-bg-alt:#EEF3FA;
  --c-card:#FFFFFF;
  --c-line:#E2E8F2;
  --c-ink:#131C2E;
  --c-text:#2A3A55;
  --c-muted:#5B6B87;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:12px;
  --sh-1:0 2px 6px rgba(23,44,80,.06);
  --sh-2:0 10px 28px rgba(23,44,80,.10);
  --sp-section:88px;
  --header-h:116px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  font-weight:400;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-brand);text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out,border-color .2s ease-out;}
a:hover{color:var(--c-brand-dark);}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{color:var(--c-ink);font-weight:700;margin:0;line-height:1.35;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:4px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
.section{padding:var(--sp-section) 0;}
.section--tight{padding:64px 0;}
.section--alt{background:var(--c-bg-alt);}
.section[id]{scroll-margin-top:130px;}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line);box-shadow:0 1px 0 rgba(23,44,80,.02);}
.header-main{height:68px;display:flex;align-items:center;gap:24px;}
.header-main .container{display:flex;align-items:center;gap:24px;height:100%;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-ink);}
.brand:hover{color:var(--c-ink);}
.brand__mark{width:34px;height:34px;border-radius:10px;background:var(--c-brand);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:15px;letter-spacing:.02em;box-shadow:var(--sh-1);}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.brand__sub{font-size:11px;letter-spacing:.08em;color:var(--c-muted);text-transform:uppercase;}
.header-search{flex:1 1 auto;max-width:420px;margin-left:auto;}
.header-search form{position:relative;display:flex;align-items:center;}
.header-search input[type="search"]{
  width:100%;height:42px;border-radius:var(--r-pill);border:1px solid var(--c-line);
  background:#fff;padding:0 46px 0 18px;font-size:14px;color:var(--c-ink);
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.header-search input[type="search"]::placeholder{color:var(--c-muted);}
.header-search input[type="search"]:focus{border-color:var(--c-brand);box-shadow:var(--sh-1);outline:none;}
.header-search button{position:absolute;right:6px;width:34px;height:34px;border-radius:var(--r-pill);display:flex;align-items:center;justify-content:center;color:var(--c-brand);}
.header-search button:hover{background:var(--c-brand-soft);}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.hamburger{display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--c-line);align-items:center;justify-content:center;flex-direction:column;gap:4px;}
.hamburger span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out;}
.hamburger:hover{border-color:var(--c-brand);}
.hamburger:hover span{background:var(--c-brand);}

/* ---------- Nav tabs ---------- */
.nav-tabs{background:#fff;border-bottom:1px solid var(--c-line);position:relative;}
.nav-tabs__inner{
  display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;overflow-y:hidden;
  scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;
  scrollbar-width:none;
  -webkit-mask-image:linear-gradient(to right,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
  mask-image:linear-gradient(to right,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
}
.nav-tabs__inner::-webkit-scrollbar{display:none;}
.nav-tab{
  scroll-snap-align:start;flex:0 0 auto;padding:8px 16px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--c-text);white-space:nowrap;
  transition:background-color .2s ease-out,color .2s ease-out;
}
.nav-tab:hover{background:var(--c-brand-soft);color:var(--c-brand);}
.nav-tab.is-active{background:var(--c-brand);color:#fff;}
.nav-tab.is-active:hover{background:var(--c-brand-dark);color:#fff;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:background-color .2s ease-out,border-color .2s ease-out,color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.btn--primary{background:var(--c-brand);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{background:var(--c-brand-dark);color:#fff;transform:translateY(-1px);}
.btn--ghost{background:#fff;border:1px solid var(--c-line);color:var(--c-ink);}
.btn--ghost:hover{border-color:var(--c-brand);color:var(--c-brand);}
.btn--accent{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
.btn--accent:hover{background:#DB6C1C;color:#fff;transform:translateY(-1px);}
.btn--on-brand{background:#fff;color:var(--c-brand);}
.btn--on-brand:hover{background:#fff;color:var(--c-brand-dark);transform:translateY(-1px);}
.btn--outline-white{background:transparent;border:1px solid rgba(255,255,255,.6);color:#fff;}
.btn--outline-white:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.btn--sm{height:38px;padding:0 16px;font-size:14px;border-radius:var(--r-btn);}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-brand);}
.text-link .arrow{transition:transform .2s ease-out;}
.text-link:hover{color:var(--c-brand-dark);text-decoration:underline;}
.text-link:hover .arrow{transform:translateX(2px);}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--c-brand-dark);overflow:hidden;}
.hero__bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:.55;}
.hero__overlay{position:absolute;inset:0;background:linear-gradient(105deg,rgba(30,79,163,.72) 0%,rgba(22,58,124,.52) 52%,rgba(30,79,163,.30) 100%);}
.hero__inner{position:relative;z-index:2;padding:56px 0 60px;color:#fff;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.82);margin-bottom:20px;}
.breadcrumb a{color:rgba(255,255,255,.88);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .current{color:#fff;font-weight:600;}
.hero__tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  font-size:12px;letter-spacing:.08em;font-weight:600;color:#fff;margin-bottom:18px;
}
.hero__title{font-size:36px;line-height:1.28;color:#fff;max-width:820px;letter-spacing:.01em;}
.hero__sub{margin-top:16px;max-width:720px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.9);}
.hero__meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;margin-top:26px;font-size:14px;color:rgba(255,255,255,.9);}
.hero__meta .dot{width:7px;height:7px;border-radius:50%;background:var(--c-mint);display:inline-block;margin-right:8px;box-shadow:0 0 0 4px rgba(18,179,154,.22);}
.hero__meta span{display:inline-flex;align-items:center;}
.hero__stats{display:flex;flex-wrap:wrap;gap:0;margin-top:34px;border-top:1px solid rgba(255,255,255,.24);border-bottom:1px solid rgba(255,255,255,.24);}
.hero__stat{flex:1 1 150px;padding:18px 0;border-right:1px solid rgba(255,255,255,.18);}
.hero__stat:last-child{border-right:0;}
.hero__stat b{display:block;font-size:26px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;}
.hero__stat small{font-size:13px;color:rgba(255,255,255,.82);letter-spacing:.02em;}

/* ---------- Section heads ---------- */
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;}
.section-head__left{max-width:660px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;font-weight:600;color:var(--c-brand);margin-bottom:12px;}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-brand);border-radius:2px;}
.section-title{font-size:28px;line-height:1.35;}
.section-desc{margin-top:12px;font-size:15px;color:var(--c-muted);line-height:1.8;}

/* ---------- Filter pills ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.pill{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#fff;font-size:14px;color:var(--c-text);font-weight:500;
  transition:background-color .2s ease-out,border-color .2s ease-out,color .2s ease-out;
}
.pill:hover{border-color:var(--c-brand);color:var(--c-brand);background:var(--c-brand-soft);}
.pill.is-active{background:var(--c-brand);border-color:var(--c-brand);color:#fff;font-weight:600;}

/* ---------- Post cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;
  transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.post-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:var(--c-brand-soft);}
.post-card__media{position:relative;background:var(--c-bg-alt);aspect-ratio:16/9;overflow:hidden;}
.post-card__media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease-out;}
.post-card:hover .post-card__media img{transform:scale(1.03);}
.post-card__body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:12px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.04em;background:var(--c-brand-soft);color:var(--c-brand);white-space:nowrap;
}
.badge--mint{background:rgba(18,179,154,.12);color:#0E8F7B;}
.badge--accent{background:var(--c-accent-soft);color:#C2620F;}
.meta-date{font-size:13px;color:var(--c-muted);font-variant-numeric:tabular-nums;}
.post-card__title{font-size:19px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card__title a{color:var(--c-ink);}
.post-card__title a:hover{color:var(--c-brand);}
.post-card__excerpt{
  font-size:14px;line-height:1.7;color:var(--c-muted);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:16px;border-top:1px solid var(--c-line);}

/* ---------- Pagination ---------- */
.pagination-row{display:flex;justify-content:center;margin-top:44px;}
.pagination{margin:0;display:flex;flex-wrap:wrap;gap:8px;justify-content:center;}
.pagination li{margin:0;display:block;}
.pagination a,.pagination span{
  display:flex;align-items:center;justify-content:center;min-width:44px;height:44px;padding:0 14px;
  border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;color:var(--c-text);
  font-size:14px;font-weight:600;transition:all .2s ease-out;font-variant-numeric:tabular-nums;
}
.pagination a:hover{background:var(--c-brand-soft);border-color:var(--c-brand);color:var(--c-brand);}
.pagination .current{background:var(--c-brand);border-color:var(--c-brand);color:#fff;}
.pagination .disabled span{color:var(--c-muted);opacity:.55;}

/* ---------- Reading list ---------- */
.reading-list{border-top:1px solid var(--c-line);}
.reading-item{
  display:flex;align-items:flex-start;gap:20px;padding:22px 4px;border-bottom:1px solid var(--c-line);
  transition:background-color .2s ease-out,padding-left .2s ease-out;
}
.reading-item:hover{background:var(--c-brand-soft);}
.reading-item__num{
  flex:0 0 auto;width:34px;height:34px;border-radius:50%;background:#fff;border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:var(--c-brand);
  font-variant-numeric:tabular-nums;
}
.reading-item:hover .reading-item__num{background:var(--c-brand);border-color:var(--c-brand);color:#fff;}
.reading-item__main{flex:1 1 auto;min-width:0;}
.reading-item__title{font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.5;}
.reading-item__title a{color:var(--c-ink);}
.reading-item__title a:hover{color:var(--c-brand);}
.reading-item__desc{margin-top:6px;font-size:14px;color:var(--c-muted);line-height:1.7;}
.reading-item__meta{flex:0 0 auto;font-size:13px;color:var(--c-muted);padding-top:6px;font-variant-numeric:tabular-nums;white-space:nowrap;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.accordion{background:transparent;border:0;margin:0;}
.accordion-item{
  border:1px solid var(--c-line);border-radius:var(--r-card);background:var(--c-card);
  box-shadow:var(--sh-1);margin-bottom:12px;overflow:hidden;
  transition:box-shadow .2s ease-out,border-color .2s ease-out;
}
.accordion-item:hover{box-shadow:var(--sh-2);border-color:var(--c-brand-soft);}
.accordion-title{
  position:relative;display:block;border:0;border-left:3px solid transparent;
  padding:18px 56px 18px 22px;font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.6;
  transition:background-color .2s ease-out,border-color .2s ease-out,color .2s ease-out;
}
.accordion-title:hover,.accordion-title:focus{background:var(--c-brand-soft);color:var(--c-brand);}
.accordion-title::before{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:500;color:var(--c-brand);line-height:1;
}
.accordion-item.is-active{border-color:var(--c-brand-soft);}
.accordion-item.is-active .accordion-title{border-left-color:var(--c-brand);color:var(--c-brand);background:var(--c-brand-soft);}
.accordion-item.is-active .accordion-title::before{content:"−";}
.accordion-content{
  border:0;border-top:1px solid var(--c-line);background:#fff;padding:18px 24px 20px 25px;
  font-size:15px;line-height:1.8;color:var(--c-text);
}

/* ---------- CTA band ---------- */
.cta-band{background:var(--c-brand);color:#fff;border-radius:var(--r-card);padding:48px 44px;position:relative;overflow:hidden;}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:rgba(255,255,255,.06);
}
.cta-band__inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;}
.cta-band__title{font-size:26px;color:#fff;line-height:1.35;}
.cta-band__text{margin-top:10px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.88);max-width:620px;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-bg-alt);border-top:1px solid var(--c-line);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-desc{font-size:14px;line-height:1.8;color:var(--c-muted);max-width:420px;}
.footer-contact{margin-top:16px;font-size:14px;color:var(--c-text);line-height:2;}
.footer-contact span{color:var(--c-muted);}
.quote-meta{display:flex;align-items:center;gap:10px;margin-top:18px;padding-top:16px;border-top:1px dashed var(--c-line);}
.quote-meta img{width:38px;height:38px;border-radius:50%;object-fit:cover;background:var(--c-bg);border:1px solid var(--c-line);}
.quote-meta span{font-size:13px;color:var(--c-muted);}
.footer-col h4{font-size:15px;font-weight:700;color:var(--c-ink);margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:var(--c-text);}
.footer-links a:hover{color:var(--c-brand);text-decoration:underline;}
.footer-bottom{border-top:1px solid var(--c-line);padding:20px 0;display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-muted);}
.footer-bottom a{color:var(--c-muted);}
.footer-bottom a:hover{color:var(--c-brand);}

/* ---------- Mobile drawer ---------- */
.drawer{position:fixed;inset:0;z-index:80;display:none;}
.drawer.is-open{display:block;}
.drawer__mask{position:absolute;inset:0;background:rgba(19,28,46,.45);}
.drawer__panel{
  position:absolute;top:0;right:0;width:min(340px,86vw);height:100%;background:#fff;
  box-shadow:var(--sh-2);padding:22px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
  animation:drawerIn .22s ease-out;
}
@keyframes drawerIn{from{transform:translateX(24px);opacity:.4;}to{transform:translateX(0);opacity:1;}}
.drawer__head{display:flex;align-items:center;justify-content:space-between;}
.drawer__close{width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--c-ink);}
.drawer__close:hover{border-color:var(--c-brand);color:var(--c-brand);}
.drawer__links{display:flex;flex-direction:column;gap:4px;}
.drawer__links a{padding:13px 14px;border-radius:var(--r-btn);font-size:15px;font-weight:600;color:var(--c-text);}
.drawer__links a:hover{background:var(--c-brand-soft);color:var(--c-brand);}
.drawer__links a.is-active{background:var(--c-brand);color:#fff;}
.drawer__form{display:flex;flex-direction:column;gap:10px;}
.drawer__form input{height:46px;border:1px solid var(--c-line);border-radius:var(--r-btn);padding:0 14px;font-size:14px;}
.drawer__form input:focus{border-color:var(--c-brand);outline:none;box-shadow:var(--sh-1);}
body.no-scroll{overflow:hidden;}

/* ---------- Responsive ---------- */
@media screen and (max-width:1024px){
  :root{--sp-section:64px;}
  .hero__title{font-size:32px;}
  .section-title{font-size:25px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media screen and (max-width:900px){
  .header-search{display:none;}
  .header-actions .btn--accent{display:none;}
  .hamburger{display:flex;}
  .header-main{height:56px;}
  :root{--header-h:104px;}
}
@media screen and (max-width:768px){
  .container{padding:0 18px;}
  .card-grid{grid-template-columns:1fr;gap:16px;}
  .hero__inner{padding:40px 0 44px;}
  .hero__title{font-size:27px;}
  .hero__sub{font-size:15px;}
  .hero__stat{flex:1 1 50%;padding:14px 0;border-right:0;border-bottom:1px solid rgba(255,255,255,.16);}
  .hero__stat:nth-child(odd){border-right:1px solid rgba(255,255,255,.16);}
  .hero__stat:last-child{border-bottom:0;}
  .cta-band{padding:32px 24px;}
  .cta-band__title{font-size:22px;}
  .cta-band__actions .btn{flex:1 1 100%;}
  .reading-item{flex-wrap:wrap;gap:12px;}
  .reading-item__meta{width:100%;padding-top:0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media screen and (max-width:520px){
  .hero__title{font-size:24px;}
  .section-title{font-size:22px;}
  .brand__name{font-size:15px;}
  .brand__sub{display:none;}
  .post-card__body{padding:18px;}
  .pagination a,.pagination span{min-width:40px;height:40px;padding:0 10px;font-size:13px;}
}