/* roulang page: index */
:root{
  --c-primary:#2E4A43;
  --c-primary-deep:#1E332E;
  --c-accent:#C2703F;
  --c-accent-deep:#A0562B;
  --c-bg:#F7F3EC;
  --c-surface:#FFFFFF;
  --c-surface-2:#FBF8F3;
  --c-ink:#14110F;
  --c-ink-2:#3B342E;
  --c-muted:#7A7068;
  --c-line:#E3DACD;
  --tag-moss:#6E8B7B;
  --tag-camel:#B08A6A;
  --tag-mist:#8A8279;
  --f-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --f-sans:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --r-tag:6px;
  --sh-1:0 1px 2px rgba(20,17,15,.04);
  --sh-card:0 8px 24px -12px rgba(20,17,15,.18);
  --sh-hover:0 14px 32px -14px rgba(20,17,15,.26);
  --gutter:24px;
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--f-sans);
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-ink-2);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3,h4{font-family:var(--f-serif);color:var(--c-ink);letter-spacing:.01em;line-height:1.3;font-weight:600;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--sec) 0;}
.section--tight{padding:56px 0;}
.section--soft{background:var(--c-surface-2);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.sec-head__title{font-size:clamp(24px,3vw,32px);}
.sec-head__sub{margin-top:10px;color:var(--c-muted);font-size:15px;}
.sec-link{color:var(--c-primary);font-size:15px;border-bottom:1px solid var(--c-line);padding-bottom:2px;transition:.2s;}
.sec-link:hover{color:var(--c-accent);border-color:var(--c-accent);}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--c-primary);border:1px solid var(--c-line);border-radius:var(--r-tag);padding:4px 10px;background:var(--c-surface);}
.num{font-family:var(--f-serif);letter-spacing:.04em;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;line-height:1;
  border:1px solid transparent;transition:all .22s ease;white-space:nowrap;
}
.btn:hover{transform:translateY(-1px);box-shadow:var(--sh-hover);}
.btn:active{transform:translateY(1px);box-shadow:none;}
.btn--accent{background:var(--c-accent);color:#fff;}
.btn--accent:hover{background:var(--c-accent-deep);}
.btn--primary{background:var(--c-primary);color:#fff;}
.btn--primary:hover{background:var(--c-primary-deep);}
.btn--ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn--ghost:hover{background:var(--c-primary);color:#fff;}
.btn--light{background:#fff;color:var(--c-primary-deep);}
.btn--light:hover{background:#F1EAE0;}
.btn--lg{padding:15px 30px;font-size:16px;}
.btn--sm{padding:9px 18px;font-size:14px;}
.btn--block{width:100%;}
.btn[disabled]{opacity:.5;box-shadow:none;transform:none;}

/* 徽章 */
.badge{display:inline-block;font-size:12.5px;line-height:1;padding:5px 9px;border-radius:var(--r-tag);background:var(--c-accent);color:#fff;letter-spacing:.04em;}
.badge--soft{background:#EFE7DA;color:var(--c-primary);}
.badge--moss{background:var(--tag-moss);color:#fff;}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(247,243,236,.92);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px -16px rgba(20,17,15,.42);}
.nav-wrap{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand__mark{width:30px;height:30px;flex-shrink:0;color:var(--c-primary);}
.brand__text{font-family:var(--f-serif);font-size:18px;font-weight:600;color:var(--c-ink);letter-spacing:.02em;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.main-nav a{
  position:relative;padding:10px 12px;font-size:15px;color:var(--c-ink-2);
  border-radius:var(--r-tag);transition:color .2s ease;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.main-nav a:hover{color:var(--c-primary);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--c-primary);font-weight:600;}
.main-nav a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:14px;margin-left:auto;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search input{
  width:200px;height:38px;padding:0 36px 0 14px;border:1px solid var(--c-line);
  border-radius:var(--r-pill);background:var(--c-surface);font-size:14px;transition:.2s;
}
.nav-search input::placeholder{color:var(--c-muted);}
.nav-search input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(46,74,67,.14);}
.nav-search button{position:absolute;right:10px;color:var(--c-muted);font-size:15px;line-height:1;}
.nav-login{font-size:14.5px;color:var(--c-ink-2);transition:.2s;}
.nav-login:hover{color:var(--c-accent);}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--c-line);border-radius:10px;align-items:center;justify-content:center;flex-direction:column;gap:4px;background:var(--c-surface);}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--c-ink);border-radius:2px;}

/* 抽屉 */
.nav-drawer{
  position:fixed;inset:0;z-index:200;background:var(--c-bg);
  transform:translateX(100%);transition:transform .3s ease;
  padding:20px;display:flex;flex-direction:column;gap:20px;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.nav-drawer__head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-line);}
.nav-drawer__close{font-size:26px;line-height:1;color:var(--c-ink);padding:4px 10px;}
.drawer-search input{width:100%;height:44px;padding:0 16px;border:1px solid var(--c-line);border-radius:var(--r-input);background:var(--c-surface);}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{padding:14px 4px;border-bottom:1px dashed var(--c-line);font-size:16px;}
.drawer-nav a.is-active{color:var(--c-accent);font-weight:600;}

/* Hero */
.hero{padding:64px 0 0;position:relative;}
.hero__grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;}
.hero h1{font-size:clamp(30px,4.4vw,46px);line-height:1.28;margin:18px 0 0;}
.hero__sub{margin-top:16px;font-size:16.5px;color:var(--c-ink-2);max-width:34em;}
.hero__cta{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap;}
.hero__points{margin-top:24px;display:flex;flex-wrap:wrap;gap:12px 22px;}
.hero__points li{position:relative;padding-left:16px;font-size:14.5px;color:var(--c-ink-2);}
.hero__points li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
.hero__visual{position:relative;}
.hero__visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);box-shadow:var(--sh-card);}
.hero-card{
  position:absolute;left:24px;bottom:24px;right:auto;max-width:280px;
  background:rgba(255,255,255,.96);backdrop-filter:blur(6px);
  border:1px solid var(--c-line);border-radius:var(--r-card);padding:18px 20px;box-shadow:var(--sh-card);
}
.hero-card__title{font-family:var(--f-serif);font-size:17px;color:var(--c-ink);margin-top:10px;}
.hero-card__meta{margin-top:6px;font-size:13px;color:var(--c-muted);}
.hero__metrics{
  margin-top:56px;display:grid;grid-template-columns:repeat(3,1fr);
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.hero__metrics div{padding:22px 26px;border-right:1px dashed var(--c-line);}
.hero__metrics div:last-child{border-right:0;}
.hero__metrics strong{display:block;font-family:var(--f-serif);font-size:24px;color:var(--c-primary);letter-spacing:.03em;}
.hero__metrics span{display:block;margin-top:6px;font-size:13.5px;color:var(--c-muted);}

/* 最新信息 */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.chip{
  padding:7px 16px;border:1px solid var(--c-line);border-radius:var(--r-pill);
  background:var(--c-surface);font-size:14px;color:var(--c-ink-2);transition:.2s;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);}
.chip.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gutter);}
.post-card{
  display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;
  box-shadow:var(--sh-card);transition:transform .24s ease,box-shadow .24s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.post-card__cover{position:relative;display:block;overflow:hidden;border-radius:var(--r-img);}
.post-card__cover img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-card__cover img{transform:scale(1.03);}
.post-card__tag{
  position:absolute;left:12px;top:12px;font-size:12.5px;line-height:1;
  padding:6px 10px;border-radius:var(--r-tag);background:rgba(46,74,67,.88);color:#fff;
}
.post-card__body{display:flex;flex-direction:column;flex:1;margin-top:18px;}
.post-card__title{font-size:17.5px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card:hover .post-card__title{color:var(--c-primary);}
.post-card__title a{transition:color .2s;}
.post-card__desc{
  margin-top:10px;font-size:14.5px;color:var(--c-muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:16px;}
.post-card__foot time{font-size:13px;color:var(--c-muted);}
.post-card__more{font-size:14px;color:var(--c-accent);}
.post-card__more:hover{color:var(--c-accent-deep);}
.post-card--wide{grid-column:span 2;flex-direction:row;gap:22px;}
.post-card--wide .post-card__cover{flex:0 0 44%;align-self:stretch;}
.post-card--wide .post-card__cover img{height:100%;aspect-ratio:auto;min-height:220px;}
.post-card--wide .post-card__body{margin-top:0;}
.empty-state{
  text-align:center;padding:56px 24px;background:var(--c-surface);
  border:1px dashed var(--c-line);border-radius:var(--r-card);
}
.empty-state__icon{width:52px;height:52px;margin:0 auto 16px;color:var(--c-primary);opacity:.7;}
.empty-state h3{font-size:19px;}
.empty-state p{margin-top:8px;color:var(--c-muted);font-size:14.5px;}
.empty-state .btn{margin-top:22px;}

/* 阶梯 */
.stairs{display:flex;align-items:flex-end;gap:var(--gutter);}
.stair{
  flex:1;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-card);
  transition:transform .24s ease,box-shadow .24s ease;
}
.stair:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.stair:nth-child(1){min-height:190px;}
.stair:nth-child(2){min-height:236px;}
.stair:nth-child(3){min-height:282px;background:linear-gradient(180deg,#fff 0%,#FBF8F3 100%);}
.stair__no{font-family:var(--f-serif);font-size:15px;color:var(--c-accent);letter-spacing:.14em;}
.stair__cond{margin-top:14px;font-size:15px;color:var(--c-muted);}
.stair__rate{margin-top:12px;font-family:var(--f-serif);font-size:30px;color:var(--c-primary);letter-spacing:.02em;line-height:1.2;}
.stair__desc{margin-top:12px;font-size:14.5px;color:var(--c-ink-2);}

/* 套餐 */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gutter);align-items:start;}
.plan{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:30px 26px;box-shadow:var(--sh-card);
  transition:transform .24s ease,box-shadow .24s ease;
}
.plan:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.plan--featured{border-top:4px solid var(--c-primary);transform:translateY(-10px);box-shadow:var(--sh-hover);}
.plan--featured:hover{transform:translateY(-12px);}
.plan__badge{position:absolute;top:-12px;right:22px;}
.plan__name{font-size:20px;}
.plan__sub{margin-top:8px;font-size:14px;color:var(--c-muted);}
.plan__price{margin-top:20px;font-family:var(--f-serif);font-size:28px;color:var(--c-primary);letter-spacing:.02em;}
.plan__price small{font-size:14px;color:var(--c-muted);letter-spacing:0;margin-left:6px;}
.plan__list{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.plan__list li{display:flex;gap:10px;font-size:14.5px;line-height:1.7;color:var(--c-ink-2);}
.plan__list li i{
  flex:0 0 18px;height:18px;margin-top:4px;border-radius:50%;
  background:rgba(46,74,67,.1);color:var(--c-primary);
  font-size:11px;font-style:normal;display:flex;align-items:center;justify-content:center;
}
.plan__list li.is-off{color:var(--c-muted);}
.plan__list li.is-off i{background:rgba(122,112,104,.12);color:var(--c-muted);}
.plan .btn{margin-top:26px;}

/* 限时条带 */
.limited{background:var(--c-primary-deep);color:#F3EDE3;padding:44px 0;}
.limited__inner{display:flex;align-items:center;gap:32px;flex-wrap:wrap;}
.limited__label{font-size:13px;letter-spacing:.16em;color:#C9BFB1;}
.countdown{display:flex;gap:10px;align-items:center;}
.countdown span{
  display:flex;align-items:center;justify-content:center;
  min-width:56px;height:56px;padding:0 8px;border-radius:12px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  font-family:var(--f-serif);font-size:24px;color:#fff;letter-spacing:.04em;
}
.countdown em{font-style:normal;font-size:13px;color:#C9BFB1;}
.limited__text{flex:1;min-width:240px;font-size:16px;line-height:1.7;color:#EDE6DA;}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;}
.faq-item__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;text-align:left;font-size:16.5px;font-family:var(--f-serif);
  color:var(--c-ink);border-left:3px solid var(--c-accent);
}
.faq-item__q i{font-style:normal;font-size:20px;color:var(--c-accent);transition:transform .25s ease;line-height:1;}
.faq-item.is-open .faq-item__q i{transform:rotate(45deg);}
.faq-item__a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-item__a p{padding:0 24px 22px 25px;font-size:15px;line-height:1.8;color:var(--c-ink-2);}

/* 表单 */
.consult-grid{display:grid;grid-template-columns:7fr 5fr;gap:var(--gutter);align-items:start;}
.form-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-card);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:500;color:var(--c-ink);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;background:var(--c-surface-2);
  border:1px solid var(--c-line);border-radius:var(--r-input);transition:.2s;
}
.field textarea{min-height:104px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 2px rgba(46,74,67,.14);
}
.field__hint{margin-top:6px;font-size:12.5px;color:var(--c-muted);}
.field__error{margin-top:6px;font-size:12.5px;color:#A8452A;display:none;}
.field.has-error input,.field.has-error select{border-color:#C2703F;}
.field.has-error .field__error{display:block;}
.field--check{display:flex;align-items:flex-start;gap:10px;}
.field--check input{width:auto;margin-top:5px;}
.field--check label{margin:0;font-weight:400;font-size:13.5px;color:var(--c-ink-2);}
.form-status{
  margin-top:16px;padding:12px 16px;border-radius:var(--r-input);font-size:14px;
  background:rgba(110,139,123,.14);color:#2E4A43;border:1px solid rgba(110,139,123,.3);display:none;
}
.form-status.is-on{display:block;}
.info-card{background:var(--c-primary);color:#EDE6DA;border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-card);}
.info-card h3{color:#fff;font-size:20px;}
.info-list{margin-top:22px;display:flex;flex-direction:column;gap:18px;}
.info-list li{padding-left:16px;position:relative;font-size:14.5px;line-height:1.75;}
.info-list li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
.info-list strong{display:block;color:#fff;font-weight:600;margin-bottom:2px;}
.info-card .btn{margin-top:26px;}

/* 页脚 */
.site-footer{background:var(--c-primary-deep);color:#CFC7BB;padding:64px 0 0;margin-top:var(--sec);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:var(--gutter);}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;}
.footer-brand .brand__mark{color:#E8DFD2;}
.footer-brand span{font-family:var(--f-serif);font-size:18px;}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:#B8AFA3;}
.footer-title{font-family:var(--f-serif);font-size:16px;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14.5px;color:#CFC7BB;transition:color .2s;}
.footer-links a:hover{color:var(--c-accent);}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#9C9488;
}
.footer-bottom a{color:#CFC7BB;}
.footer-bottom a:hover{color:var(--c-accent);}

@media (max-width:1023px){
  :root{--sec:64px;--gutter:20px;}
  .container{padding:0 28px;}
  .main-nav{display:none;}
  .nav-search{display:none;}
  .nav-login{display:none;}
  .nav-toggle{display:flex;}
  .hero__grid{grid-template-columns:1fr;gap:32px;}
  .hero__visual img{aspect-ratio:16/10;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .post-card--wide{grid-column:span 2;flex-direction:row;}
  .plans{grid-template-columns:1fr;gap:22px;}
  .plan--featured{transform:none;}
  .plan--featured:hover{transform:translateY(-2px);}
  .stairs{flex-direction:column;align-items:stretch;}
  .stair:nth-child(1),.stair:nth-child(2),.stair:nth-child(3){min-height:0;}
  .stair:nth-child(2){margin-left:24px;}
  .stair:nth-child(3){margin-left:48px;}
  .consult-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:639px){
  :root{--sec:56px;}
  .container{padding:0 20px;}
  body{font-size:16px;}
  .nav-wrap{height:64px;gap:14px;}
  .brand__text{font-size:16px;}
  .hero{padding-top:36px;}
  .hero__cta .btn{width:100%;}
  .hero__metrics{grid-template-columns:1fr;}
  .hero__metrics div{border-right:0;border-bottom:1px dashed var(--c-line);}
  .hero__metrics div:last-child{border-bottom:0;}
  .post-grid{grid-template-columns:1fr;}
  .post-card--wide{grid-column:span 1;flex-direction:column;}
  .post-card--wide .post-card__cover{flex:none;}
  .post-card--wide .post-card__cover img{aspect-ratio:4/3;min-height:0;}
  .post-card__body{margin-top:16px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .stair:nth-child(2){margin-left:14px;}
  .stair:nth-child(3){margin-left:28px;}
  .limited__inner{gap:20px;}
  .countdown span{min-width:46px;height:46px;font-size:20px;}
  .countdown{flex-wrap:wrap;}
  .form-card{padding:22px;}
  .info-card{padding:24px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (min-width:1440px){
  .container{padding:0 32px;}
}

/* roulang page: article */
:root{
  --c-primary:#2E4A43;
  --c-primary-deep:#1E332E;
  --c-accent:#C2703F;
  --c-accent-deep:#A0562B;
  --c-bg:#F7F3EC;
  --c-surface:#FFFFFF;
  --c-surface-2:#FBF8F3;
  --c-ink:#14110F;
  --c-ink-2:#3B342E;
  --c-muted:#7A7068;
  --c-line:#E3DACD;
  --c-tag-a:#6E8B7B;
  --c-tag-b:#B08A6A;
  --c-tag-c:#8A8279;
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --shadow-1:0 1px 2px rgba(20,17,15,.04);
  --shadow-2:0 8px 24px -12px rgba(20,17,15,.18);
  --shadow-3:0 14px 32px -14px rgba(20,17,15,.26);
  --font-serif:"Noto Serif SC","Source Han Serif SC",Georgia,"SimSun",serif;
  --font-sans:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-accent);
  outline-offset:2px;
}
button{font:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
input,select,textarea{font-family:inherit;font-size:15px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:640px){.container{padding:0 28px;}}
@media (min-width:1024px){.container{padding:0 32px;}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(247,243,236,.92);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(20,17,15,.45);background:rgba(247,243,236,.97);}
.nav-wrap{display:flex;align-items:center;gap:20px;height:64px;}
@media (min-width:1024px){.nav-wrap{height:72px;gap:28px;}}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand__mark{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary);color:#F2EDE3;
  box-shadow:var(--shadow-1);
}
.brand__mark svg{width:20px;height:20px;}
.brand__text{
  font-family:var(--font-serif);
  font-size:17px;font-weight:700;letter-spacing:.01em;
  color:var(--c-ink);white-space:nowrap;
}
@media (min-width:1024px){.brand__text{font-size:19px;}}

.main-nav{display:none;}
.main-nav a{
  position:relative;padding:8px 4px;font-size:15px;color:var(--c-ink-2);font-weight:500;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.main-nav a:hover{color:var(--c-primary);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--c-primary);font-weight:700;}
.main-nav a.is-active::after{transform:scaleX(1);}

.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{display:none;align-items:center;gap:6px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:999px;padding:4px 6px 4px 14px;}
.nav-search input{border:0;background:transparent;outline:none;width:150px;font-size:14px;color:var(--c-ink);}
.nav-search input::placeholder{color:var(--c-muted);}
.nav-search button{border:0;background:transparent;color:var(--c-muted);font-size:16px;line-height:1;padding:4px 8px;}
.nav-search button:hover{color:var(--c-primary);}
.nav-login{display:none;font-size:15px;color:var(--c-ink-2);font-weight:500;}
.nav-login:hover{color:var(--c-accent);}
.nav-toggle{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;padding:0 10px;border:1px solid var(--c-line);border-radius:10px;background:var(--c-surface);
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--c-ink-2);transition:transform .25s ease,opacity .25s ease;}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
body.nav-open .nav-toggle span:nth-child(2){opacity:0;}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

@media (min-width:1024px){
  .main-nav{display:flex;align-items:center;gap:20px;}
  .nav-search{display:flex;}
  .nav-login{display:inline-flex;}
  .nav-toggle{display:none;}
}
@media (max-width:1023px){
  .main-nav{
    position:fixed;left:0;right:0;top:64px;bottom:0;
    background:var(--c-surface);
    flex-direction:column;align-items:stretch;gap:0;
    padding:20px;
    border-top:1px solid var(--c-line);
    transform:translateY(-10px);opacity:0;pointer-events:none;
    transition:opacity .25s ease,transform .25s ease;
    overflow-y:auto;
  }
  body.nav-open .main-nav{opacity:1;transform:translateY(0);pointer-events:auto;}
  .main-nav a{font-size:17px;padding:16px 4px;border-bottom:1px dashed var(--c-line);}
  .main-nav a::after{display:none;}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  padding:12px 24px;line-height:1.2;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  cursor:pointer;
}
.btn--primary{background:var(--c-primary);color:#F7F3EC;box-shadow:var(--shadow-2);}
.btn--primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--shadow-3);}
.btn--primary:active{transform:translateY(1px);}
.btn--accent{background:var(--c-accent);color:#FFF8F2;box-shadow:0 8px 20px -12px rgba(194,112,63,.9);}
.btn--accent:hover{background:var(--c-accent-deep);transform:translateY(-1px);box-shadow:0 14px 28px -14px rgba(160,86,43,.85);}
.btn--accent:active{transform:translateY(1px);}
.btn--ghost{background:transparent;color:var(--c-primary);border-color:var(--c-line);}
.btn--ghost:hover{border-color:var(--c-primary);background:rgba(46,74,67,.06);transform:translateY(-1px);}
.btn--sm{padding:9px 18px;font-size:14px;}
.btn--block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.5;box-shadow:none;pointer-events:none;}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:24px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);}
.breadcrumb li{display:flex;align-items:center;gap:8px;min-width:0;}
.breadcrumb li::after{content:"›";color:var(--c-line);}
.breadcrumb li:last-child::after{display:none;}
.breadcrumb a{color:var(--c-muted);}
.breadcrumb a:hover{color:var(--c-accent);}
.breadcrumb .current{
  color:var(--c-ink-2);max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
@media (max-width:639px){.breadcrumb .current{max-width:150px;}}

/* ---------- 文章头 ---------- */
.article-head{padding:28px 0 0;max-width:840px;margin:0 auto;}
.article-tagline{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:16px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:500;
  padding:5px 12px;border-radius:6px;
  background:rgba(110,139,123,.14);color:#4C6557;
  border:1px solid rgba(110,139,123,.24);
}
.tag--accent{background:rgba(194,112,63,.12);color:var(--c-accent-deep);border-color:rgba(194,112,63,.26);}
.article-head h1{
  font-family:var(--font-serif);
  font-size:clamp(28px,4.4vw,44px);
  line-height:1.3;letter-spacing:.01em;color:var(--c-ink);
  font-weight:700;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:20px;padding-top:18px;
  border-top:1px dashed var(--c-line);
  font-size:13px;color:var(--c-muted);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--c-line);}

.article-cover{margin:32px auto 0;max-width:960px;}
.article-cover img{
  width:100%;aspect-ratio:16/9;border-radius:var(--r-card);
  box-shadow:var(--shadow-2);
}
.article-cover__caption{
  margin-top:12px;font-size:13px;color:var(--c-muted);text-align:center;
}

/* ---------- 正文布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:1fr;gap:48px;
  padding-top:56px;padding-bottom:72px;
}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:56px;padding-top:72px;padding-bottom:96px;}
}
.article-main{min-width:0;}

.article-prose{
  max-width:760px;margin:0 auto;
  font-size:17px;line-height:1.9;color:var(--c-ink-2);
}
.article-prose p{margin:0 0 1.15em;}
.article-prose h2{
  position:relative;
  font-family:var(--font-serif);
  font-size:clamp(22px,3vw,29px);
  line-height:1.4;letter-spacing:.01em;color:var(--c-ink);
  margin:2em 0 .8em;padding-left:16px;
}
.article-prose h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--c-accent);
}
.article-prose h3{
  font-size:20px;font-weight:700;color:var(--c-ink);line-height:1.5;margin:1.6em 0 .6em;
}
.article-prose h4{font-size:17px;font-weight:700;color:var(--c-ink);margin:1.4em 0 .5em;}
.article-prose ul,.article-prose ol{margin:0 0 1.2em;padding-left:1.5em;}
.article-prose ul li{list-style:disc;}
.article-prose ol li{list-style:decimal;}
.article-prose li{margin-bottom:.55em;line-height:1.75;}
.article-prose blockquote{
  margin:1.6em 0;padding:16px 22px;
  background:var(--c-surface-2);
  border-left:4px solid var(--c-primary);
  border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--c-ink-2);font-size:16px;
}
.article-prose blockquote p:last-child{margin-bottom:0;}
.article-prose img{border-radius:var(--r-img);margin:1.6em auto;width:auto;max-width:100%;}
.article-prose figure{margin:1.6em 0;}
.article-prose figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:10px;}
.article-prose a{color:var(--c-primary);text-decoration:underline;text-underline-offset:4px;}
.article-prose a:hover{color:var(--c-accent);}
.article-prose table{width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0;}
.article-prose th,.article-prose td{border:1px solid var(--c-line);padding:10px 14px;text-align:left;}
.article-prose th{background:var(--c-surface-2);color:var(--c-ink);font-weight:600;}
.article-prose hr{border:0;border-top:1px dashed var(--c-line);margin:2em 0;}

.article-empty{
  max-width:760px;margin:0 auto;text-align:center;
  background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:56px 28px;box-shadow:var(--shadow-1);
}
.article-empty__icon{
  width:56px;height:56px;margin:0 auto 20px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-surface-2);color:var(--c-primary);border:1px dashed var(--c-line);
}
.article-empty h2{font-family:var(--font-serif);font-size:24px;color:var(--c-ink);margin-bottom:10px;}
.article-empty p{color:var(--c-muted);font-size:15px;margin-bottom:24px;}

/* ---------- 标签与操作 ---------- */
.article-foot{
  max-width:760px;margin:48px auto 0;padding-top:28px;
  border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;
}
.article-tags{display:flex;flex-wrap:wrap;gap:10px;}
.article-actions{display:flex;gap:10px;}
.icon-btn{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 16px;border-radius:999px;
  background:var(--c-surface);border:1px solid var(--c-line);
  color:var(--c-ink-2);font-size:13px;font-weight:500;
  transition:all .2s ease;
}
.icon-btn svg{width:15px;height:15px;}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.icon-btn:active{transform:translateY(0);}

/* ---------- 侧栏 ---------- */
.article-aside{display:none;}
@media (min-width:1024px){
  .article-aside{display:block;position:sticky;top:104px;align-self:start;}
}
.aside-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-1);
  margin-bottom:20px;
}
.aside-card__title{
  font-family:var(--font-serif);font-size:17px;font-weight:700;color:var(--c-ink);
  margin-bottom:14px;padding-bottom:12px;border-bottom:1px dashed var(--c-line);
}
.aside-list li{padding:9px 0;border-bottom:1px dashed rgba(227,218,205,.7);}
.aside-list li:last-child{border-bottom:0;}
.aside-list a{font-size:14px;color:var(--c-ink-2);display:flex;align-items:center;gap:8px;}
.aside-list a::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c-tag-a);flex-shrink:0;}
.aside-list a:hover{color:var(--c-accent);}
.aside-card--accent{background:var(--c-surface-2);border-color:rgba(194,112,63,.28);}
.aside-card--accent p{font-size:14px;color:var(--c-ink-2);margin-bottom:14px;line-height:1.75;}

/* ---------- 相关推荐 ---------- */
.section{padding:72px 0;}
@media (min-width:1024px){.section{padding:96px 0;}}
.section--tight{padding:56px 0;}
.section-head{margin-bottom:32px;}
.section-head__row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;}
.section-title{
  font-family:var(--font-serif);
  font-size:clamp(23px,3vw,31px);line-height:1.35;letter-spacing:.01em;color:var(--c-ink);font-weight:700;
}
.section-sub{margin-top:10px;font-size:15px;color:var(--c-muted);}
.text-link{font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;}
.text-link:hover{color:var(--c-accent);gap:10px;}

.rec-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.rec-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.rec-grid{grid-template-columns:repeat(3,1fr);gap:24px;}}
.rec-card{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:16px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rec-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-3);border-color:rgba(46,74,67,.24);}
.rec-card__thumb{width:92px;flex-shrink:0;border-radius:var(--r-img);overflow:hidden;background:var(--c-surface-2);}
.rec-card__thumb img{width:100%;aspect-ratio:4/3;}
.rec-card__body{min-width:0;}
.rec-card__cat{font-size:12px;color:var(--c-tag-a);font-weight:600;letter-spacing:.02em;}
.rec-card__title{
  font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.5;margin-top:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rec-card:hover .rec-card__title{color:var(--c-primary);}
.rec-card__time{font-size:12px;color:var(--c-muted);margin-top:10px;display:block;}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--c-primary-deep);
  color:#EDE7DC;
  border-radius:var(--r-card);
  padding:36px 28px;
  display:flex;flex-wrap:wrap;align-items:center;gap:24px;justify-content:space-between;
  box-shadow:var(--shadow-2);
}
.cta-band__text h2{font-family:var(--font-serif);font-size:clamp(20px,2.6vw,26px);color:#F7F3EC;line-height:1.4;}
.cta-band__text p{margin-top:10px;font-size:14px;color:rgba(237,231,220,.78);max-width:560px;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px;}
.btn--light{background:#F7F3EC;color:var(--c-primary-deep);}
.btn--light:hover{background:#FFFFFF;transform:translateY(-1px);box-shadow:0 14px 28px -16px rgba(0,0,0,.6);}
.btn--outline-light{background:transparent;color:#EDE7DC;border-color:rgba(237,231,220,.4);}
.btn--outline-light:hover{border-color:#EDE7DC;background:rgba(237,231,220,.1);transform:translateY(-1px);}

.back-row{margin-top:32px;display:flex;justify-content:center;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:rgba(237,231,220,.82);margin-top:24px;padding:56px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:var(--font-serif);font-size:19px;font-weight:700;color:#F7F3EC;margin-bottom:14px;}
.footer-brand .brand__mark{width:30px;height:30px;border-radius:9px;background:rgba(247,243,236,.14);color:#F7F3EC;box-shadow:none;}
.footer-brand .brand__mark svg{width:18px;height:18px;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(237,231,220,.68);max-width:360px;}
.footer-title{font-size:15px;font-weight:700;color:#F7F3EC;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a,.footer-links span{font-size:14px;color:rgba(237,231,220,.74);}
.footer-links a:hover{color:var(--c-accent);}
.footer-bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(237,231,220,.16);
  display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(237,231,220,.58);
}
.footer-bottom a{color:rgba(237,231,220,.7);}
.footer-bottom a:hover{color:var(--c-accent);}

/* roulang page: category1 */
:root{
  --c-primary:#2E4A43;
  --c-primary-deep:#1E332E;
  --c-accent:#C2703F;
  --c-accent-deep:#A0562B;
  --c-bg:#F7F3EC;
  --c-surface:#FFFFFF;
  --c-surface-2:#FBF8F3;
  --c-ink:#14110F;
  --c-ink-2:#3B342E;
  --c-muted:#7A7068;
  --c-line:#E3DACD;
  --c-tag-1:#6E8B7B;
  --c-tag-2:#B08A6A;
  --c-tag-3:#8A8279;
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --r-tag:6px;
  --sh-1:0 1px 2px rgba(20,17,15,.04);
  --sh-2:0 8px 24px -12px rgba(20,17,15,.18);
  --sh-3:0 14px 32px -14px rgba(20,17,15,.26);
  --font-serif:'Noto Serif SC','Source Han Serif SC','Songti SC','STSong',serif;
  --font-sans:'Noto Sans SC',system-ui,-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;}
ul,ol{padding-left:1.15em;}
img{max-width:100%;display:block;border-radius:var(--r-img);object-fit:cover;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease,opacity .2s ease;}
a:hover{color:var(--c-accent);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:1rem;color:var(--c-ink);}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--paper{background:var(--c-surface-2);}
h1,h2,h3,.serif{font-family:var(--font-serif);letter-spacing:.01em;}
h1{font-size:clamp(30px,4.4vw,46px);line-height:1.28;font-weight:700;}
h2{font-size:clamp(24px,3vw,32px);line-height:1.32;font-weight:700;}
h3{font-size:21px;line-height:1.4;font-weight:700;}
p{color:var(--c-ink-2);}
.lead{font-size:17px;line-height:1.85;color:var(--c-ink-2);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:500;letter-spacing:.06em;
  color:var(--c-primary);
  background:rgba(46,74,67,.08);
  border-radius:var(--r-tag);
  padding:5px 12px;
}
.eyebrow::before{content:"";width:14px;height:2px;background:var(--c-accent);display:block;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.sec-head p{margin-top:12px;max-width:640px;font-size:16px;}
.sec-head--center{flex-direction:column;align-items:flex-start;}
.rule{height:1px;background:var(--c-line);border:0;margin:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:500;line-height:1;
  padding:14px 28px;border-radius:var(--r-pill);
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn--accent{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
.btn--accent:hover{background:var(--c-accent-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--ghost{background:transparent;color:var(--c-primary);border-color:var(--c-line);}
.btn--ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(46,74,67,.05);transform:translateY(-1px);}
.btn--onDark{background:transparent;color:#fff;border-color:rgba(255,255,255,.42);}
.btn--onDark:hover{background:rgba(255,255,255,.1);color:#fff;border-color:#fff;}
.btn--sm{padding:10px 20px;font-size:14px;}
.btn--block{width:100%;}
.btn[disabled]{opacity:.5;box-shadow:none;pointer-events:none;}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-block;font-size:13px;line-height:1.6;
  padding:3px 10px;border-radius:var(--r-tag);
  background:rgba(110,139,123,.14);color:var(--c-tag-1);
}
.tag--craft{background:rgba(176,138,106,.16);color:var(--c-tag-2);}
.tag--mist{background:rgba(138,130,121,.14);color:var(--c-tag-3);}
.badge{
  display:inline-block;font-size:12px;font-weight:500;line-height:1.7;
  padding:2px 9px;border-radius:var(--r-pill);
  background:var(--c-accent);color:#fff;letter-spacing:.02em;
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(247,243,236,.92);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{
  box-shadow:0 6px 20px -14px rgba(20,17,15,.4);
  backdrop-filter:blur(8px);
  background:rgba(247,243,236,.96);
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:32px;height:32px;flex:0 0 32px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-primary);border-radius:9px;color:var(--c-primary);
}
.brand__mark svg{width:19px;height:19px;}
.brand__text{
  font-family:var(--font-serif);font-weight:700;font-size:18px;letter-spacing:.01em;
  color:var(--c-ink);white-space:nowrap;
}
.brand:hover .brand__text{color:var(--c-primary);}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;}
.main-nav a{
  position:relative;font-size:15px;color:var(--c-ink-2);padding:8px 12px;border-radius:8px;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--c-primary);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.main-nav a:hover{color:var(--c-primary);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--c-primary);font-weight:500;}
.main-nav a.is-active::after{transform:scaleX(1);background:var(--c-accent);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{display:flex;align-items:center;gap:4px;width:200px;border:1px solid var(--c-line);border-radius:var(--r-pill);background:var(--c-surface);padding:4px 6px 4px 14px;}
.nav-search input{border:0;background:none;outline:none;width:100%;font-size:14px;line-height:1.6;}
.nav-search input::placeholder{color:var(--c-muted);}
.nav-search button{width:28px;height:28px;border-radius:50%;color:var(--c-primary);font-size:16px;line-height:1;}
.nav-search button:hover{background:rgba(46,74,67,.08);}
.nav-login{font-size:15px;color:var(--c-ink-2);}
.nav-login:hover{color:var(--c-accent);}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;padding:9px;flex-direction:column;justify-content:space-between;}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--c-ink);transition:transform .22s ease,opacity .22s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(8px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-8px) rotate(-45deg);}
.mobile-drawer{
  display:none;position:fixed;inset:0;z-index:110;background:var(--c-bg);
  padding:88px 24px 32px;overflow-y:auto;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{display:block;font-size:18px;padding:14px 0;border-bottom:1px solid var(--c-line);color:var(--c-ink);}
.mobile-drawer a.is-active{color:var(--c-accent);}
.mobile-drawer .btn{margin-top:22px;}
.mobile-drawer .nav-search{width:100%;margin-top:18px;}

/* ---------- 面包屑 ---------- */
.crumbs{padding:22px 0 6px;font-size:14px;color:var(--c-muted);}
.crumbs ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumbs li:not(:last-child)::after{content:"›";margin-left:8px;color:var(--c-line);}
.crumbs a{color:var(--c-muted);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs .current{color:var(--c-ink-2);font-weight:500;}

/* ---------- 页头 ---------- */
.page-head{padding:24px 0 8px;}
.page-head h1{margin:18px 0 16px;max-width:14em;}
.page-head .lead{max-width:640px;}
.page-head__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.head-facts{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:0;margin-top:40px;
  border:1px solid var(--c-line);border-radius:var(--r-card);
  background:var(--c-surface);box-shadow:var(--sh-1);overflow:hidden;
}
.head-facts div{padding:20px 24px;border-right:1px solid var(--c-line);}
.head-facts div:last-child{border-right:0;}
.head-facts strong{display:block;font-family:var(--font-serif);font-size:20px;color:var(--c-ink);letter-spacing:.02em;}
.head-facts span{display:block;font-size:13px;color:var(--c-muted);margin-top:4px;}

/* ---------- 入口大卡 ---------- */
.gate-card{
  position:relative;border-radius:20px;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(30,51,46,.94) 0%,rgba(30,51,46,.82) 46%,rgba(30,51,46,.58) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  color:#fff;padding:56px 48px;box-shadow:var(--sh-2);
}
.gate-card__inner{max-width:620px;}
.gate-card h2{color:#fff;margin:16px 0 14px;}
.gate-card p{color:rgba(255,255,255,.86);font-size:16px;}
.gate-card__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.gate-card__notes{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;margin-top:36px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.2);max-width:760px;
}
.gate-card__notes span{display:block;font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.62);}
.gate-card__notes strong{display:block;font-family:var(--font-serif);font-size:17px;color:#fff;margin-top:4px;letter-spacing:.01em;}

/* ---------- 步骤条 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step;}
.step{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:26px 24px 28px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-3);}
.step__num{
  font-family:var(--font-serif);font-size:26px;font-weight:700;color:var(--c-accent);
  letter-spacing:.04em;line-height:1;
}
.step h3{margin:14px 0 10px;font-size:18px;}
.step p{font-size:14.5px;line-height:1.8;color:var(--c-ink-2);}
.step::after{
  content:"";position:absolute;top:38px;right:-12px;width:8px;height:1px;
  background:var(--c-line);
}
.step:last-child::after{display:none;}

/* ---------- 图文交替 ---------- */
.alt-row{
  display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:center;
  padding:32px 0;border-bottom:1px dashed var(--c-line);
}
.alt-row:last-child{border-bottom:0;}
.alt-row--flip{grid-template-columns:7fr 5fr;}
.alt-row--flip .alt-row__media{order:2;}
.alt-row__media img{width:100%;aspect-ratio:4/3;border-radius:var(--r-card);box-shadow:var(--sh-2);}
.alt-row__body h3{margin-bottom:12px;}
.alt-row__body p{font-size:16px;}
.alt-list{list-style:none;padding:0;margin:18px 0 0;}
.alt-list li{position:relative;padding-left:20px;font-size:15px;color:var(--c-ink-2);line-height:1.8;margin-bottom:6px;}
.alt-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--c-tag-1);}

/* ---------- 速查表 ---------- */
.lookup{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;}
.lookup dl{margin:0;}
.lookup .lookup__row{
  display:grid;grid-template-columns:220px 1fr;gap:24px;
  padding:20px 28px;border-bottom:1px solid var(--c-line);
}
.lookup .lookup__row:last-child{border-bottom:0;}
.lookup dt{font-weight:500;color:var(--c-ink);font-size:15.5px;}
.lookup dd{margin:0;color:var(--c-ink-2);font-size:15px;}
.lookup .lookup__row:hover{background:var(--c-surface-2);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  text-align:left;padding:20px 24px 20px 26px;font-size:17px;font-weight:500;color:var(--c-ink);
  position:relative;
}
.faq-q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--c-accent);border-radius:0 3px 3px 0;}
.faq-q .faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);color:var(--c-primary);font-size:15px;line-height:1;
  transition:transform .25s ease,background-color .25s ease,color .25s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--c-accent);border-color:var(--c-accent);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a p{padding:0 26px 22px 26px;font-size:15.5px;line-height:1.85;}
.faq-item.is-open .faq-a{max-height:360px;}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--c-primary-deep);border-radius:20px;
  padding:40px 44px;display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;box-shadow:var(--sh-2);
}
.cta-band h2{color:#fff;font-size:24px;}
.cta-band p{color:rgba(255,255,255,.74);font-size:15px;margin-top:8px;}
.cta-band .cta-band__meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.78);margin-top:88px;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-family:var(--font-serif);font-weight:700;font-size:18px;}
.footer-brand .brand__mark{border-color:rgba(255,255,255,.5);color:#fff;}
.footer-desc{margin-top:16px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);}
.footer-title{color:#fff;font-size:15px;font-weight:500;margin-bottom:16px;}
.footer-links{display:grid;gap:10px;}
.footer-links a,.footer-links span{font-size:14.5px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:var(--c-accent);}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 28px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:var(--c-accent);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .container{padding:0 28px;}
  .section{padding:72px 0;}
  .nav-search{display:none;}
  .nav-login{display:none;}
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .gate-card{padding:44px 32px;}
  .gate-card__notes{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
  .step::after{display:none;}
  .alt-row,.alt-row--flip{grid-template-columns:1fr;gap:24px;}
  .alt-row--flip .alt-row__media{order:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:639px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .nav-wrap{height:64px;gap:12px;}
  .brand__text{font-size:16px;}
  .page-head h1{max-width:none;}
  .page-head__cta .btn{width:100%;}
  .head-facts{grid-template-columns:1fr;}
  .head-facts div{border-right:0;border-bottom:1px solid var(--c-line);}
  .head-facts div:last-child{border-bottom:0;}
  .gate-card{padding:32px 22px;border-radius:16px;}
  .gate-card__cta .btn{width:100%;}
  .gate-card__notes{grid-template-columns:1fr;gap:14px;}
  .steps{grid-template-columns:1fr;}
  .step{border-left:3px solid var(--c-accent);}
  .lookup .lookup__row{grid-template-columns:1fr;gap:6px;padding:18px 20px;}
  .faq-q{font-size:16px;padding:18px 18px 18px 22px;}
  .faq-a p{padding:0 20px 20px 22px;}
  .cta-band{padding:30px 22px;border-radius:16px;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root{
  --c-primary:#2E4A43;
  --c-primary-deep:#1E332E;
  --c-accent:#C2703F;
  --c-accent-deep:#A0562B;
  --c-bg:#F7F3EC;
  --c-surface:#FFFFFF;
  --c-surface-2:#FBF8F3;
  --c-ink:#14110F;
  --c-ink-2:#3B342E;
  --c-muted:#7A7068;
  --c-line:#E3DACD;
  --tag-moss:#6E8B7B;
  --tag-camel:#B08A6A;
  --tag-mist:#8A8279;
  --font-serif:"Noto Serif SC","Source Han Serif SC",Georgia,serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --radius-card:16px;
  --radius-img:12px;
  --radius-input:10px;
  --radius-pill:999px;
  --radius-tag:6px;
  --shadow-sm:0 1px 2px rgba(20,17,15,.04);
  --shadow-card:0 8px 24px -12px rgba(20,17,15,.18);
  --shadow-hover:0 14px 32px -14px rgba(20,17,15,.26);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:640px){.container{padding:0 28px}}
@media (min-width:1024px){.container{padding:0 32px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,243,236,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px -16px rgba(20,17,15,.5);background:rgba(247,243,236,.97)}
.nav-wrap{display:flex;align-items:center;gap:16px;height:64px}
@media (min-width:1024px){.nav-wrap{height:72px;gap:24px}}

.brand{display:inline-flex;align-items:center;gap:8px;flex:0 0 auto}
.brand__mark{
  width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-primary);border-radius:8px;color:var(--c-primary);flex:0 0 auto;
}
.brand__mark svg{width:19px;height:19px}
.brand__text{
  font-family:var(--font-serif);font-weight:700;font-size:16.5px;letter-spacing:.01em;
  color:var(--c-primary);white-space:nowrap;
}

.main-nav{display:none}
@media (min-width:1024px){.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px}}
.main-nav a{
  position:relative;display:inline-block;padding:8px 10px;
  font-size:14.5px;color:var(--c-ink-2);border-radius:8px;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:10px;right:10px;bottom:2px;height:2px;
  background:var(--c-primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.main-nav a:hover{color:var(--c-primary)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--c-primary);font-weight:600}
.main-nav a.is-active::after{transform:scaleX(1)}

.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-search{
  display:none;align-items:center;height:38px;padding:0 6px 0 14px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-pill);
}
@media (min-width:1200px){.nav-search{display:flex;width:176px}}
.nav-search input{
  width:100%;border:none;background:transparent;outline:none;
  font-size:13.5px;color:var(--c-ink);font-family:inherit;
}
.nav-search input::placeholder{color:var(--c-muted)}
.nav-search button{
  width:28px;height:28px;border-radius:50%;color:var(--c-primary);font-size:15px;
  display:flex;align-items:center;justify-content:center;transition:background .2s;
}
.nav-search button:hover{background:var(--c-surface-2)}
.nav-login{display:none;font-size:14.5px;color:var(--c-ink-2);white-space:nowrap}
@media (min-width:768px){.nav-login{display:inline-block}}
.nav-login:hover{color:var(--c-accent)}
.nav-cta{display:none}
@media (min-width:640px){.nav-cta{display:inline-flex}}
.nav-toggle{
  width:40px;height:40px;display:inline-flex;flex-direction:column;justify-content:center;
  align-items:center;gap:5px;border-radius:10px;border:1px solid var(--c-line);background:var(--c-surface);
}
@media (min-width:1024px){.nav-toggle{display:none}}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- mobile drawer ---------- */
.mobile-drawer{
  position:fixed;left:0;right:0;top:64px;bottom:0;z-index:55;
  background:var(--c-bg);padding:22px 20px 48px;overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:none}
.drawer-search{
  display:flex;align-items:center;height:46px;padding:0 8px 0 16px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-pill);
  margin-bottom:20px;
}
.drawer-search input{flex:1;border:none;background:transparent;outline:none;font-size:15px;font-family:inherit}
.drawer-search button{width:32px;height:32px;border-radius:50%;color:var(--c-primary);font-size:16px}
.drawer-nav{display:grid;gap:4px;margin-bottom:22px}
.drawer-nav a{
  padding:13px 14px;border-radius:10px;font-size:16px;color:var(--c-ink-2);
  background:var(--c-surface);border:1px solid var(--c-line);
}
.drawer-nav a.is-active{color:var(--c-primary);font-weight:600;border-color:rgba(46,74,67,.35);background:#fff}
.btn--block{width:100%}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-pill);
  font-size:15.5px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn--accent{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px -12px rgba(194,112,63,.85)}
.btn--accent:hover{background:var(--c-accent-deep);transform:translateY(-1px);box-shadow:0 12px 26px -12px rgba(160,86,43,.9)}
.btn--accent:active{transform:translateY(1px);box-shadow:none}
.btn--primary{background:var(--c-primary);color:#fff}
.btn--primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--shadow-card)}
.btn--ghost{background:var(--c-surface);color:var(--c-primary);border-color:var(--c-line)}
.btn--ghost:hover{border-color:var(--c-primary);transform:translateY(-1px);box-shadow:var(--shadow-card)}
.btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn--outline-light:hover{background:rgba(255,255,255,.13);border-color:#fff}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.btn:disabled{opacity:.5;box-shadow:none;transform:none;cursor:not-allowed}

/* ---------- generic layout ---------- */
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:92px 0}}
.section--tight{padding:44px 0}
@media (min-width:1024px){.section--tight{padding:68px 0}}
.section--muted{background:var(--c-surface-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}

.row-gutter{margin-left:-12px;margin-right:-12px}
.row-gutter > .cell{padding-left:12px;padding-right:12px}

.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13.5px;color:var(--c-muted);padding:20px 0 4px}
.breadcrumb a:hover{color:var(--c-accent)}
.breadcrumb .sep{opacity:.55}
.breadcrumb .current{color:var(--c-ink-2)}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;
  color:var(--c-accent);background:rgba(194,112,63,.09);
  border:1px solid rgba(194,112,63,.26);padding:5px 12px;border-radius:var(--radius-tag);
}

h1{font-family:var(--font-serif);font-size:clamp(30px,4.4vw,46px);line-height:1.3;letter-spacing:.01em;color:var(--c-ink);margin-top:16px}
.h1-sub{margin-top:16px;font-size:16.5px;color:var(--c-ink-2);max-width:540px}

.sec-head{margin-bottom:28px;max-width:760px}
@media (min-width:1024px){.sec-head{margin-bottom:40px}}
.sec-title{font-family:var(--font-serif);font-size:clamp(24px,3vw,32px);line-height:1.32;letter-spacing:.01em;color:var(--c-ink);position:relative;padding-left:16px}
.sec-title::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:4px;
  background:var(--c-accent);border-radius:3px;
}
.sec-desc{margin-top:12px;font-size:15px;color:var(--c-muted);line-height:1.85}

/* ---------- hero ---------- */
.cat-hero{padding:8px 0 56px}
@media (min-width:1024px){.cat-hero{padding:8px 0 84px}}
.hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px}
@media (max-width:639px){.hero-actions .btn{flex:1 1 100%}}
.hero-meta{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px 22px}
.hero-meta li{font-size:14px;color:var(--c-muted);display:flex;align-items:center;gap:8px}
.hero-meta li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);flex:0 0 auto}

.hero-visual{position:relative;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);margin-top:32px}
@media (min-width:1024px){.hero-visual{margin-top:0}}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(30,51,46,0) 42%,rgba(30,51,46,.6) 100%);
}
.hero-card{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:2;
  display:flex;align-items:center;gap:14px;
  background:rgba(255,255,255,.96);border-radius:14px;padding:15px 18px;
  box-shadow:0 14px 32px -18px rgba(20,17,15,.6);
}
.hero-card__body strong{display:block;font-size:15px;color:var(--c-ink);font-weight:600;line-height:1.6}
.hero-card__body span{font-size:13px;color:var(--c-muted)}

.badge{
  display:inline-flex;align-items:center;justify-content:center;
  height:24px;padding:0 10px;border-radius:var(--radius-tag);
  background:var(--c-accent);color:#fff;font-size:12.5px;font-weight:600;
  letter-spacing:.04em;white-space:nowrap;flex:0 0 auto;
}
.badge--soft{background:rgba(46,74,67,.1);color:var(--c-primary);border:1px solid rgba(46,74,67,.2)}

/* ---------- brand grid ---------- */
.brand-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media (min-width:640px){.brand-grid{grid-template-columns:repeat(4,1fr)}}
@media (min-width:1024px){.brand-grid{grid-template-columns:repeat(6,1fr)}}
.brand-chip{
  display:flex;align-items:center;gap:10px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;
  padding:13px 12px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.brand-chip:hover{transform:translateY(-2px);box-shadow:var(--shadow-card);border-color:rgba(46,74,67,.3)}
.brand-chip__mark{
  width:32px;height:32px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-size:15px;color:#fff;background:var(--c-primary);
}
.mark--moss{background:var(--tag-moss)}
.mark--camel{background:var(--tag-camel)}
.mark--mist{background:var(--tag-mist)}
.brand-chip__name{font-size:14.5px;color:var(--c-ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------- timeline ---------- */
.timeline{margin-top:8px}
.timeline__item{position:relative;display:flex;gap:18px;padding-bottom:26px}
.timeline__item:last-child{padding-bottom:0}
.timeline__rail{position:relative;flex:0 0 44px;display:flex;justify-content:center}
.timeline__rail::before{
  content:"";position:absolute;top:46px;bottom:-26px;width:1px;
  background:repeating-linear-gradient(180deg,var(--c-line) 0 6px,transparent 6px 12px);
}
.timeline__item:last-child .timeline__rail::before{display:none}
.timeline__num{
  position:relative;z-index:1;width:44px;height:44px;border-radius:50%;
  background:var(--c-surface);border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-size:17px;color:var(--c-accent);
}
.timeline__body{
  flex:1;background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;
  padding:18px 22px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease;
}
.timeline__body:hover{transform:translateY(-2px);box-shadow:var(--shadow-card)}
.timeline__body h3{font-family:var(--font-serif);font-size:18px;line-height:1.5;color:var(--c-ink);margin-bottom:6px}
.timeline__body p{font-size:15px;color:var(--c-ink-2);line-height:1.8}

/* ---------- factors ---------- */
.factor-layout{display:flex;flex-direction:column;gap:24px}
@media (min-width:1024px){.factor-layout{flex-direction:row;align-items:stretch;gap:32px}}
.factor-main{flex:1 1 auto}
.factor-figure{flex:0 0 38%;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card)}
.factor-figure img{width:100%;height:100%;min-height:240px;aspect-ratio:4/3;object-fit:cover}
.factor-grid{display:grid;gap:14px}
@media (min-width:640px){.factor-grid{grid-template-columns:repeat(2,1fr)}}
.factor{
  display:flex;gap:14px;padding:20px;
  background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:14px;
  transition:border-color .2s ease,background .2s ease;
}
.factor:hover{border-color:rgba(46,74,67,.3);background:var(--c-surface)}
.factor__idx{font-family:var(--font-serif);font-size:22px;line-height:1.2;color:var(--c-accent);flex:0 0 auto;letter-spacing:.02em}
.factor h3{font-family:var(--font-serif);font-size:17px;color:var(--c-ink);margin-bottom:6px;line-height:1.5}
.factor p{font-size:14.5px;color:var(--c-ink-2);line-height:1.8}

/* ---------- form ---------- */
.form-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:26px 22px;box-shadow:var(--shadow-card);
}
@media (min-width:768px){.form-card{padding:32px}}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:500;color:var(--c-ink-2);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--radius-input);padding:12px 14px;
  font-size:15px;color:var(--c-ink);font-family:inherit;line-height:1.6;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--c-primary) 50%),linear-gradient(135deg,var(--c-primary) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field textarea{min-height:108px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#A79D94}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(46,74,67,.14);
}
.field__hint{font-size:12.5px;color:var(--c-muted);margin-top:6px}
.form-note{font-size:13px;color:var(--c-muted);margin-top:14px;line-height:1.75}
.form-success{
  display:none;align-items:center;gap:10px;margin-top:16px;padding:12px 16px;
  background:rgba(110,139,123,.12);border:1px solid rgba(110,139,123,.34);
  border-radius:var(--radius-input);font-size:14px;color:var(--c-primary);line-height:1.7;
}
.form-success.is-visible{display:flex}

.info-card{
  background:var(--c-primary);color:rgba(255,255,255,.82);
  border-radius:var(--radius-card);padding:26px 22px;height:100%;
}
@media (min-width:768px){.info-card{padding:32px}}
.info-card h3{font-family:var(--font-serif);font-size:20px;color:#fff;margin-bottom:14px;line-height:1.5}
.info-list{display:grid;gap:16px;margin-top:6px}
.info-list li{padding-top:14px;border-top:1px dashed rgba(255,255,255,.22)}
.info-list li:first-child{border-top:none;padding-top:0}
.info-list strong{display:block;font-size:14.5px;color:#fff;font-weight:600;margin-bottom:4px}
.info-list span{font-size:14px;line-height:1.8}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow-sm)}
.faq-item__q{
  position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;padding:18px 20px 18px 24px;
  font-family:var(--font-serif);font-size:16.5px;font-weight:600;color:var(--c-ink);line-height:1.6;
}
.faq-item__q::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;
  background:var(--c-accent);border-radius:0 3px 3px 0;
}
.faq-item__icon{position:relative;flex:0 0 16px;width:16px;height:16px}
.faq-item__icon::before,.faq-item__icon::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.faq-item__icon::before{left:0;top:7px;width:16px;height:2px}
.faq-item__icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.is-open .faq-item__icon::after{transform:rotate(90deg);opacity:0}
.faq-item__a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-item__a-inner{padding:0 24px 20px;font-size:15px;color:var(--c-ink-2);line-height:1.85}

/* ---------- CTA banner ---------- */
.cta-banner{
  background:var(--c-primary-deep);color:#fff;border-radius:20px;
  padding:34px 24px;display:flex;flex-wrap:wrap;align-items:center;
  justify-content:space-between;gap:22px;
}
@media (min-width:768px){.cta-banner{padding:44px 40px}}
.cta-banner h2{font-family:var(--font-serif);font-size:clamp(22px,2.6vw,28px);line-height:1.4;color:#fff}
.cta-banner p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.78);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- footer ---------- */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.74);padding:56px 0 0}
@media (min-width:1024px){.site-footer{padding-top:72px}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:30px;padding-bottom:36px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:var(--font-serif);font-size:18px;font-weight:700;color:#fff}
.site-footer .brand__mark{border-color:rgba(255,255,255,.4);color:#fff}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:360px}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.02em}
.footer-links{display:grid;gap:10px}
.footer-links a,.footer-links span{font-size:14px;color:rgba(255,255,255,.72);line-height:1.7}
.footer-links a:hover{color:var(--c-accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:18px 0 26px;display:flex;flex-wrap:wrap;align-items:center;
  justify-content:space-between;gap:10px;font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a:hover{color:var(--c-accent)}

@media (max-width:639px){
  .brand__text{font-size:15px}
  .timeline__rail{flex:0 0 38px}
  .timeline__num{width:38px;height:38px;font-size:15px}
}

/* roulang page: category3 */
:root{
  --c-primary:#2E4A43;
  --c-primary-deep:#1E332E;
  --c-accent:#C2703F;
  --c-accent-deep:#A0562B;
  --c-bg:#F7F3EC;
  --c-surface:#FFFFFF;
  --c-surface-2:#FBF8F3;
  --c-ink:#14110F;
  --c-ink-2:#3B342E;
  --c-muted:#7A7068;
  --c-line:#E3DACD;
  --tag-moss:#6E8B7B;
  --tag-camel:#B08A6A;
  --tag-gray:#8A8279;
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --r-tag:6px;
  --sh-1:0 1px 2px rgba(20,17,15,.04);
  --sh-card:0 8px 24px -12px rgba(20,17,15,.18);
  --sh-hover:0 14px 32px -14px rgba(20,17,15,.26);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --header-h:64px;
}
@media (min-width:1024px){ :root{ --header-h:72px; } }

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-accent)}
button{font-family:inherit}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--c-ink);margin:0 0 16px;letter-spacing:.01em;line-height:1.32;font-weight:700}
h1{font-size:clamp(30px,4.4vw,46px)}
h2{font-size:clamp(24px,3vw,32px)}
h3{font-size:21px}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.25em}
li{line-height:1.75}
.grid-x{display:flex;flex-wrap:wrap}
.cell{width:100%}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:640px){ .container{padding:0 28px} }
@media (min-width:1024px){ .container{padding:0 32px} }

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;text-decoration:none;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px}
.btn:active{transform:translateY(1px)}
.btn--accent{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1)}
.btn--accent:hover{background:var(--c-accent-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-card)}
.btn--primary{background:var(--c-primary);color:#fff}
.btn--primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-card)}
.btn--ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn--ghost:hover{background:rgba(46,74,67,.08);color:var(--c-primary);transform:translateY(-1px)}
.btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn--outline-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-1px)}
.btn--light{background:#fff;color:var(--c-primary-deep)}
.btn--light:hover{background:#EFE7DA;color:var(--c-primary-deep);transform:translateY(-1px)}
.btn--sm{padding:9px 18px;font-size:14px}
.btn--lg{padding:15px 32px;font-size:16px}
.btn--block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.5;box-shadow:none;pointer-events:none}

/* ---------- 标签 / 徽章 ---------- */
.badge{display:inline-block;padding:3px 10px;border-radius:var(--r-tag);background:var(--c-accent);color:#fff;font-size:12px;font-weight:600;letter-spacing:.02em;line-height:1.6}
.badge--soft{background:rgba(194,112,63,.14);color:var(--c-accent-deep)}
.badge--ink{background:var(--c-primary);color:#fff}
.tag{display:inline-block;padding:5px 11px;border-radius:var(--r-tag);border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink-2);font-size:13px;line-height:1.5}
.tag--moss{color:var(--tag-moss);border-color:rgba(110,139,123,.4);background:rgba(110,139,123,.08)}
.tag--camel{color:var(--tag-camel);border-color:rgba(176,138,106,.4);background:rgba(176,138,106,.08)}
.tag--gray{color:var(--tag-gray);border-color:rgba(138,130,121,.35);background:rgba(138,130,121,.07)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(247,243,236,.93);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px -14px rgba(20,17,15,.4);backdrop-filter:blur(8px)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:var(--header-h)}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.brand__mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;border:1px solid rgba(46,74,67,.3);color:var(--c-primary);background:rgba(46,74,67,.06)}
.brand__mark svg{width:20px;height:20px}
.brand__text{font-family:var(--font-serif);font-size:18px;font-weight:700;color:var(--c-primary-deep);white-space:nowrap}
.brand:hover .brand__text{color:var(--c-accent)}
.main-nav{display:flex;align-items:center;gap:20px;margin-left:8px}
.main-nav a{
  position:relative;padding:6px 2px;font-size:15px;color:var(--c-ink-2);white-space:nowrap;font-weight:500;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--c-primary);
  transition:right .25s ease;
}
.main-nav a:hover{color:var(--c-primary)}
.main-nav a:hover::after{right:0}
.main-nav a.is-active{color:var(--c-primary);font-weight:700}
.main-nav a.is-active::after{right:0}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;height:38px;width:200px;padding:0 6px 0 14px;
  border:1px solid var(--c-line);border-radius:var(--r-pill);background:var(--c-surface);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(46,74,67,.14)}
.nav-search input{flex:1 1 auto;min-width:0;border:0;outline:0;background:transparent;font-size:14px;color:var(--c-ink)}
.nav-search input::placeholder{color:var(--c-muted)}
.nav-search button{border:0;background:transparent;color:var(--c-muted);font-size:16px;cursor:pointer;padding:0 8px;line-height:1}
.nav-search button:hover{color:var(--c-primary)}
.nav-login{font-size:15px;color:var(--c-ink-2);font-weight:500}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:38px;border:1px solid var(--c-line);border-radius:10px;background:var(--c-surface);cursor:pointer;padding:0 10px;
}
.nav-toggle span{display:block;height:2px;background:var(--c-primary);border-radius:2px}
.nav-toggle:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.nav-mobile-extra{display:none}

/* ---------- 通用区块 ---------- */
.section{padding:56px 0}
@media (min-width:1024px){ .section{padding:96px 0} }
.section--tight{padding:40px 0}
@media (min-width:1024px){ .section--tight{padding:72px 0} }
.section--surface{background:var(--c-surface-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-head{max-width:780px;margin-bottom:32px}
@media (min-width:1024px){ .section-head{margin-bottom:48px} }
.section-head .eyebrow{
  display:inline-block;margin-bottom:12px;padding:4px 12px;border:1px solid var(--c-line);border-radius:var(--r-tag);
  background:var(--c-surface);color:var(--c-accent-deep);font-size:13px;letter-spacing:.06em;
}
.section-head h2{margin-bottom:12px}
.section-head p{color:var(--c-ink-2);font-size:16px;margin:0}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--c-surface);border-bottom:1px solid var(--c-line)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--c-muted)}
.crumb a{color:var(--c-muted)}
.crumb a:hover{color:var(--c-accent)}
.crumb span.sep{color:var(--c-line)}
.crumb strong{color:var(--c-ink-2);font-weight:600}

/* ---------- 分类页 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background:var(--c-primary-deep) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(30,51,46,.94) 0%,rgba(30,51,46,.86) 48%,rgba(46,74,67,.72) 100%);
}
.page-hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:48px 0 56px}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:76px 0 88px}
}
.hero-eyebrow{
  display:inline-block;margin-bottom:20px;padding:5px 13px;border:1px solid rgba(243,237,227,.45);
  border-radius:var(--r-tag);color:#F3EDE3;font-size:13px;letter-spacing:.08em;
}
.page-hero h1{color:#fff;margin-bottom:16px}
.hero-sub{color:rgba(247,243,236,.85);font-size:17px;max-width:56ch;margin-bottom:0}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
@media (max-width:639px){ .hero-actions .btn{width:100%} }
.metric-row{
  display:grid;grid-template-columns:1fr;gap:18px;margin-top:36px;padding-top:24px;
  border-top:1px solid rgba(243,237,227,.22);
}
@media (min-width:640px){ .metric-row{grid-template-columns:repeat(3,1fr);gap:24px} }
.metric__v{display:block;font-family:var(--font-serif);font-size:24px;color:#fff;letter-spacing:.02em;line-height:1.3}
.metric__l{display:block;font-size:13px;color:rgba(247,243,236,.7);margin-top:4px}
.hero-media{position:relative;padding-bottom:28px}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);box-shadow:0 24px 48px -24px rgba(0,0,0,.6)}
.float-card{
  position:absolute;left:16px;right:auto;bottom:0;max-width:300px;
  background:var(--c-surface);border-radius:var(--r-card);padding:16px 18px;box-shadow:var(--sh-hover);
}
.float-card__title{margin:8px 0 4px;font-family:var(--font-serif);font-size:16px;font-weight:700;color:var(--c-ink)}
.float-card__text{margin:0;font-size:13px;color:var(--c-muted)}

/* ---------- 核验维度（图文交替） ---------- */
.dim-list{display:flex;flex-direction:column;gap:40px}
@media (min-width:1024px){ .dim-list{gap:64px} }
.dim-row{display:grid;grid-template-columns:1fr;gap:24px;align-items:center}
@media (min-width:768px){
  .dim-row{grid-template-columns:1fr 1fr;gap:40px}
  .dim-row--rev .dim-media{order:2}
}
.dim-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--c-line);box-shadow:var(--sh-card)}
.dim-body{position:relative;padding-left:20px}
.dim-body::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;background:var(--c-accent)}
.dim-index{display:block;font-family:var(--font-serif);font-size:14px;letter-spacing:.14em;color:var(--c-accent-deep);margin-bottom:8px}
.dim-body h3{margin-bottom:10px}
.dim-body p{color:var(--c-ink-2);margin-bottom:12px}
.dim-points{list-style:none;padding:0;margin:0}
.dim-points li{position:relative;padding-left:18px;font-size:15px;color:var(--c-ink-2)}
.dim-points li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--c-primary);opacity:.55}

/* ---------- 凭证样例 ---------- */
.cert-layout{display:grid;grid-template-columns:1fr;gap:28px}
@media (min-width:1024px){ .cert-layout{grid-template-columns:1.15fr .85fr;gap:40px;align-items:start} }
.cert-card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px 24px 24px;box-shadow:var(--sh-card);
}
.cert-card::after{
  content:"";position:absolute;inset:10px;border:1px dashed var(--c-line);border-radius:10px;pointer-events:none;
}
.cert-card__head{position:relative;z-index:1;padding-bottom:16px;border-bottom:1px dashed var(--c-line);margin-bottom:16px}
.cert-card__no{margin:0 0 6px;font-size:13px;color:var(--c-muted);letter-spacing:.06em}
.cert-card__head h3{margin:0}
.cert-badge{position:absolute;top:-12px;right:20px;z-index:2}
.cert-list{list-style:none;padding:0;margin:0;position:relative;z-index:1}
.cert-list li{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px dashed var(--c-line);font-size:15px}
.cert-list li:last-child{border-bottom:0}
.cert-list span{color:var(--c-muted);flex:0 0 auto}
.cert-list strong{color:var(--c-ink);font-weight:600;text-align:right}
.cert-note{margin:14px 0 0;font-size:13px;color:var(--c-muted);position:relative;z-index:1}
.cert-aside{background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px 24px}
.cert-aside h3{margin-bottom:14px}
.cert-aside ul{list-style:none;padding:0;margin:0 0 18px}
.cert-aside li{position:relative;padding:10px 0 10px 22px;border-bottom:1px dashed var(--c-line);color:var(--c-ink-2);font-size:15px}
.cert-aside li:last-child{border-bottom:0}
.cert-aside li::before{content:"";position:absolute;left:0;top:1.15em;width:8px;height:8px;border-radius:2px;background:var(--c-accent);opacity:.85}

/* ---------- 对比区 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){ .compare-grid{grid-template-columns:1fr 1fr;gap:28px} }
.compare-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;
}
.compare-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.compare-card h3{margin:12px 0 16px}
.compare-card.is-featured{border-color:rgba(46,74,67,.45);background:linear-gradient(180deg,rgba(46,74,67,.06),rgba(46,74,67,0) 42%),var(--c-surface);box-shadow:var(--sh-card)}
.compare-tag{display:inline-block;margin:0;font-size:13px;letter-spacing:.06em;color:var(--c-muted)}
.compare-card.is-featured .compare-tag{color:var(--c-primary)}
.compare-list{list-style:none;padding:0;margin:0}
.compare-list li{position:relative;padding:10px 0 10px 26px;color:var(--c-ink-2);font-size:15px;border-top:1px dashed var(--c-line)}
.compare-list li::before{
  position:absolute;left:0;top:10px;font-size:13px;font-weight:700;line-height:1.7;
}
.compare-list li.is-no::before{content:"✕";color:var(--tag-gray)}
.compare-list li.is-yes::before{content:"✓";color:var(--c-accent-deep)}

/* ---------- 送检准备清单 ---------- */
.prep-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:768px){ .prep-grid{grid-template-columns:repeat(2,1fr);gap:28px} }
@media (min-width:1024px){ .prep-grid{grid-template-columns:repeat(4,1fr)} }
.prep-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.prep-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(46,74,67,.35)}
.prep-num{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;
  background:rgba(194,112,63,.12);color:var(--c-accent-deep);font-family:var(--font-serif);font-weight:700;margin-bottom:14px;
}
.prep-card h3{font-size:18px;margin-bottom:8px}
.prep-card p{margin:0;font-size:15px;color:var(--c-ink-2)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.faq-q{
  position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px 20px 26px;border:0;background:transparent;text-align:left;cursor:pointer;
  font-family:var(--font-serif);font-size:17px;font-weight:700;color:var(--c-ink);line-height:1.5;
  transition:color .2s ease,background-color .2s ease;
}
.faq-q::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-accent);opacity:.85}
.faq-q:hover{color:var(--c-primary);background:rgba(46,74,67,.04)}
.faq-q:focus-visible{outline:2px solid var(--c-accent);outline-offset:-3px}
.faq-icon{flex:0 0 auto;position:relative;width:16px;height:16px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{margin:0;padding:0 24px 22px 26px;color:var(--c-ink-2);font-size:15px;line-height:1.85}

/* ---------- 预约表单 ---------- */
.consult-grid{display:grid;grid-template-columns:1fr;gap:28px}
@media (min-width:1024px){ .consult-grid{grid-template-columns:1.35fr .65fr;gap:40px;align-items:start} }
.form-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px 24px;box-shadow:var(--sh-card)}
@media (min-width:640px){ .form-card{padding:34px 32px} }
.form-row{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:768px){ .form-row--2{grid-template-columns:1fr 1fr} }
.field{margin-bottom:18px}
.field label{display:block;margin-bottom:8px;font-size:14px;font-weight:500;color:var(--c-ink-2)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--c-line);border-radius:var(--r-input);
  background:var(--c-surface);font-family:inherit;font-size:15px;color:var(--c-ink);outline:0;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:110px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--c-muted)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(46,74,67,.16)}
.field-hint{margin:6px 0 0;font-size:13px;color:var(--c-muted)}
.form-success{
  display:none;margin-top:18px;padding:14px 16px;border-radius:var(--r-input);
  background:rgba(110,139,123,.12);border:1px solid rgba(110,139,123,.35);color:var(--c-primary-deep);font-size:14px;
}
.form-success.is-visible{display:block}
.info-card{background:var(--c-primary-deep);color:#F3EDE3;border-radius:var(--r-card);padding:28px 24px;box-shadow:var(--sh-card)}
.info-card h3{color:#fff;margin-bottom:14px}
.info-card ul{list-style:none;padding:0;margin:0 0 20px}
.info-card li{padding:12px 0;border-bottom:1px solid rgba(243,237,227,.16);font-size:15px;color:rgba(243,237,227,.85)}
.info-card li:last-child{border-bottom:0}
.info-card li strong{color:#fff;font-weight:600;display:block;font-size:14px;margin-bottom:2px}
.info-card .btn{margin-top:4px}

/* ---------- 底部 CTA 条 ---------- */
.cta-band{background:var(--c-primary);color:#fff;padding:40px 0}
@media (min-width:1024px){ .cta-band{padding:56px 0} }
.cta-band__inner{display:grid;grid-template-columns:1fr;gap:20px;align-items:center}
@media (min-width:1024px){ .cta-band__inner{grid-template-columns:1fr auto;gap:40px} }
.cta-band h2{color:#fff;margin-bottom:8px}
.cta-band p{margin:0;color:rgba(247,243,236,.85);max-width:64ch}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px}
@media (max-width:639px){ .cta-band__actions .btn{width:100%} }

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:rgba(243,237,227,.8);padding:56px 0 0;margin-top:0}
@media (min-width:1024px){ .site-footer{padding:72px 0 0} }
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:40px}
@media (min-width:640px){ .footer-grid{grid-template-columns:1fr 1fr} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px} }
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand__mark{border-color:rgba(243,237,227,.35);color:#F3EDE3;background:rgba(243,237,227,.08)}
.footer-brand span{font-family:var(--font-serif);font-size:18px;font-weight:700;color:#fff}
.footer-desc{margin:0;font-size:14px;line-height:1.85;color:rgba(243,237,227,.72);max-width:42ch}
.footer-title{margin:0 0 14px;font-size:15px;font-weight:700;color:#fff;font-family:var(--font-sans);letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a,.footer-links span{font-size:14px;color:rgba(243,237,227,.72)}
.footer-links a:hover{color:var(--c-accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;align-items:center;
  padding:20px 0 26px;border-top:1px solid rgba(243,237,227,.16);font-size:13px;color:rgba(243,237,227,.62);
}
.footer-bottom a{color:rgba(243,237,227,.62)}
.footer-bottom a:hover{color:var(--c-accent)}

/* ---------- 移动端导航抽屉 ---------- */
@media (max-width:1023px){
  .nav-search,.nav-login{display:none}
  .nav-toggle{display:flex}
  .main-nav{
    display:none;position:fixed;top:var(--header-h);left:0;right:0;bottom:0;z-index:65;
    flex-direction:column;align-items:stretch;gap:4px;margin:0;padding:22px 20px 40px;
    background:var(--c-surface);overflow-y:auto;
  }
  .main-nav.is-open{display:flex}
  .main-nav a{padding:14px 4px;font-size:17px;border-bottom:1px solid var(--c-line)}
  .main-nav a::after{display:none}
  .main-nav a.is-active{color:var(--c-primary)}
  .nav-mobile-extra{display:flex;flex-direction:column;gap:14px;margin-top:20px}
  .nav-mobile-extra .nav-search{display:flex;width:100%;height:44px}
}
@media (min-width:1024px){
  .main-nav{display:flex !important}
}

/* roulang page: category4 */
:root{
  --c-primary:#2E4A43;
  --c-primary-deep:#1E332E;
  --c-accent:#C2703F;
  --c-accent-deep:#A0562B;
  --c-bg:#F7F3EC;
  --c-surface:#FFFFFF;
  --c-surface-2:#FBF8F3;
  --c-ink:#14110F;
  --c-ink-2:#3B342E;
  --c-muted:#7A7068;
  --c-line:#E3DACD;
  --c-green:#6E8B7B;
  --c-camel:#B08A6A;
  --c-gray:#8A8279;
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,17,15,.04);
  --sh-2:0 8px 24px -12px rgba(20,17,15,.18);
  --sh-3:0 14px 32px -14px rgba(20,17,15,.26);
  --font-serif:"Noto Serif SC","Source Han Serif SC",Georgia,serif;
  --font-sans:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:640px){.container{padding-left:28px;padding-right:28px;}}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,243,236,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px -14px rgba(20,17,15,.35);}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:16px;
  height:64px;
}
@media (min-width:1024px){.nav-wrap{height:72px;gap:24px;}}
.brand{display:flex;align-items:center;gap:9px;flex-shrink:0;}
.brand__mark{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary);color:#F2EDE4;flex-shrink:0;
}
.brand__mark svg{width:20px;height:20px;}
.brand__text{
  font-family:var(--font-serif);
  font-weight:700;
  font-size:17px;
  letter-spacing:.01em;
  color:var(--c-primary-deep);
  white-space:nowrap;
}
@media (min-width:1024px){.brand__text{font-size:18.5px;}}

.main-nav{display:none;}
@media (min-width:1024px){
  .main-nav{display:flex;align-items:center;gap:22px;margin-left:8px;}
}
.main-nav a{
  position:relative;
  font-size:15px;
  color:var(--c-ink-2);
  padding:6px 0;
  white-space:nowrap;
  transition:color .2s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;
  height:2px;background:var(--c-accent);
  transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;border-radius:2px;
}
.main-nav a:hover{color:var(--c-primary);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--c-primary);font-weight:500;}
.main-nav a.is-active::after{transform:scaleX(1);}

.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{display:none;}
@media (min-width:1024px){
  .nav-search{
    display:flex;align-items:center;
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:var(--r-pill);
    padding:4px 6px 4px 14px;
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  .nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(46,74,67,.14);}
  .nav-search input{
    width:150px;border:0;background:transparent;font-size:14px;outline:none;
  }
  .nav-search input::placeholder{color:var(--c-muted);}
  .nav-search button{
    width:28px;height:28px;border-radius:50%;
    display:inline-flex;align-items:center;justify-content:center;
    color:var(--c-primary);font-size:15px;transition:background .2s ease;
  }
  .nav-search button:hover{background:var(--c-surface-2);}
}
.nav-login{
  display:none;font-size:14.5px;color:var(--c-ink-2);padding:6px 2px;
  transition:color .2s ease;
}
.nav-login:hover{color:var(--c-accent);}
@media (min-width:640px){.nav-login{display:inline-block;}}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);
  font-weight:500;
  line-height:1.2;
  text-align:center;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  border:1px solid transparent;
  white-space:nowrap;
}
.btn--accent{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
.btn--accent:hover{background:var(--c-accent-deep);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--accent:active{transform:translateY(1px);}
.btn--primary{background:var(--c-primary);color:#F4F1EA;}
.btn--primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--ghost{background:transparent;border-color:var(--c-line);color:var(--c-ink-2);}
.btn--ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px);}
.btn--light{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5);color:#fff;}
.btn--light:hover{background:rgba(255,255,255,.24);transform:translateY(-1px);}
.btn--sm{padding:9px 16px;font-size:14px;}
.btn--md{padding:12px 26px;font-size:15.5px;}
.btn--lg{padding:15px 34px;font-size:16.5px;}
.btn[disabled],.btn.is-disabled{opacity:.5;box-shadow:none;transform:none;cursor:not-allowed;}

.nav-toggle{
  width:40px;height:40px;border-radius:12px;
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  border:1px solid var(--c-line);background:var(--c-surface);
}
.nav-toggle span{display:block;width:17px;height:1.8px;background:var(--c-primary);border-radius:2px;transition:transform .25s ease, opacity .25s ease;}
@media (min-width:1024px){.nav-toggle{display:none;}}
.site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(6.8px) rotate(45deg);}
.site-header.nav-open .nav-toggle span:nth-child(2){opacity:0;}
.site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-6.8px) rotate(-45deg);}

@media (max-width:1023px){
  .main-nav{
    display:flex;flex-direction:column;gap:4px;
    position:fixed;left:0;right:0;top:64px;bottom:0;
    background:var(--c-surface);
    padding:20px 24px 32px;
    border-top:1px solid var(--c-line);
    transform:translateY(-10px);
    opacity:0;pointer-events:none;
    transition:opacity .22s ease, transform .22s ease;
    overflow-y:auto;
  }
  .main-nav a{
    font-size:17px;padding:14px 4px;border-bottom:1px dashed var(--c-line);
  }
  .main-nav a::after{display:none;}
  .main-nav a.is-active{color:var(--c-accent);}
  .site-header.nav-open .main-nav{opacity:1;pointer-events:auto;transform:translateY(0);}
}

/* ---------- hero ---------- */
.page-hero{
  position:relative;
  color:#fff;
  padding:52px 0 0;
  background-image:linear-gradient(180deg, rgba(30,51,46,.9), rgba(30,51,46,.82)), url("/assets/images/backpic/back-3.webp");
  background-size:cover;
  background-position:center;
}
@media (min-width:1024px){.page-hero{padding:76px 0 0;}}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.86);transition:color .2s ease;}
.breadcrumb a:hover{color:#F3C79B;}
.breadcrumb span.sep{opacity:.6;}
.breadcrumb .current{color:#fff;max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.hero-grid{display:grid;gap:36px;}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:1.15fr .85fr;align-items:center;gap:48px;}
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  border:1px dashed rgba(255,255,255,.45);
  border-radius:6px;padding:5px 12px;font-size:13px;letter-spacing:.04em;
  color:#F4E6D6;margin-bottom:20px;
}
.hero-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
h1.hero-title{
  font-family:var(--font-serif);
  font-weight:700;
  font-size:clamp(30px,4.4vw,46px);
  line-height:1.28;
  letter-spacing:.01em;
  margin-bottom:16px;
}
.hero-sub{
  font-size:16.5px;color:rgba(255,255,255,.85);max-width:34em;margin-bottom:28px;
}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;}

.hero-card{
  background:rgba(255,255,255,.96);
  color:var(--c-ink);
  border-radius:var(--r-card);
  padding:26px 24px;
  box-shadow:0 24px 48px -24px rgba(0,0,0,.5);
  border:1px solid rgba(255,255,255,.6);
}
.hero-card__badge{
  display:inline-block;background:var(--c-accent);color:#fff;
  font-size:12.5px;padding:4px 10px;border-radius:6px;margin-bottom:14px;letter-spacing:.02em;
}
.hero-card h2{
  font-family:var(--font-serif);font-size:20px;line-height:1.4;margin-bottom:10px;color:var(--c-primary-deep);
}
.hero-card p{font-size:14.5px;color:var(--c-ink-2);line-height:1.8;margin-bottom:16px;}
.hero-card ul li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--c-ink-2);padding:7px 0;border-bottom:1px dashed var(--c-line);
}
.hero-card ul li:last-child{border-bottom:0;}
.hero-card ul li::before{
  content:"◆";color:var(--c-accent);font-size:10px;line-height:2.2;
}

.hero-metrics{
  display:grid;gap:0;
  border-top:1px solid rgba(255,255,255,.22);
  margin-top:44px;
}
@media (min-width:640px){.hero-metrics{grid-template-columns:repeat(3,1fr);}}
.metric{
  padding:20px 0;
  border-bottom:1px solid rgba(255,255,255,.16);
}
@media (min-width:640px){
  .metric{border-bottom:0;border-right:1px solid rgba(255,255,255,.16);padding:22px 24px;}
  .metric:first-child{padding-left:0;}
  .metric:last-child{border-right:0;}
}
.metric strong{
  display:block;font-family:var(--font-serif);font-size:26px;letter-spacing:.02em;color:#fff;line-height:1.3;
}
.metric span{font-size:13.5px;color:rgba(255,255,255,.72);}

/* ---------- sections ---------- */
.section{padding:56px 0;}
@media (min-width:1024px){.section{padding:92px 0;}}
.section--tight{padding:44px 0;}
@media (min-width:1024px){.section--tight{padding:72px 0;}}
.section--paper{background:var(--c-surface-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section--dark{background:var(--c-primary-deep);color:#F1EDE5;}

.sec-head{max-width:760px;margin-bottom:32px;}
.sec-head--row{
  display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;max-width:none;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--c-accent);margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-accent);border-radius:2px;}
h2.sec-title{
  font-family:var(--font-serif);
  font-size:clamp(24px,3vw,32px);
  line-height:1.32;letter-spacing:.01em;color:var(--c-primary-deep);
}
.section--dark h2.sec-title{color:#fff;}
.sec-desc{margin-top:14px;color:var(--c-ink-2);font-size:16px;}
.section--dark .sec-desc{color:rgba(241,237,229,.78);}
.link-more{
  font-size:14.5px;color:var(--c-primary);border-bottom:1px solid var(--c-primary);
  padding-bottom:2px;transition:color .2s ease,border-color .2s ease;
}
.link-more:hover{color:var(--c-accent);border-color:var(--c-accent);}

/* ---------- stairs ---------- */
.stairs{display:flex;flex-direction:column;gap:18px;}
@media (min-width:1024px){
  .stairs{flex-direction:row;align-items:flex-end;gap:24px;}
}
.stair{
  flex:1;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px 24px 28px;
  box-shadow:var(--sh-2);
  display:flex;flex-direction:column;gap:12px;
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.stair:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:var(--c-green);}
.stair__no{
  font-family:var(--font-serif);font-size:14px;letter-spacing:.14em;color:var(--c-camel);
}
.stair__range{font-size:15px;color:var(--c-ink-2);}
.stair__rate{
  font-family:var(--font-serif);
  font-size:clamp(32px,4vw,42px);
  color:var(--c-accent);line-height:1.1;letter-spacing:.02em;
}
.stair__rate small{font-size:15px;color:var(--c-muted);font-family:var(--font-sans);margin-left:4px;letter-spacing:0;}
.stair__note{font-size:14px;color:var(--c-muted);line-height:1.75;}
.stair--1{min-height:230px;}
.stair--2{min-height:270px;border-color:rgba(110,139,123,.55);}
.stair--3{min-height:310px;background:linear-gradient(180deg,#fff 0%,#FBF8F3 100%);}
@media (max-width:1023px){
  .stair--1{min-height:0;}
  .stair--2{min-height:0;margin-left:14px;}
  .stair--3{min-height:0;margin-left:28px;}
}

/* ---------- plans ---------- */
.plans{
  display:flex;gap:20px;overflow-x:auto;padding:14px 2px 26px;
  scroll-snap-type:x mandatory;
}
.plans::-webkit-scrollbar{height:6px;}
.plans::-webkit-scrollbar-thumb{background:var(--c-line);border-radius:4px;}
@media (min-width:1024px){.plans{overflow:visible;padding:14px 0 26px;}}
.plan{
  flex:0 0 274px;
  scroll-snap-align:center;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:28px 24px 26px;
  box-shadow:var(--sh-2);
  display:flex;flex-direction:column;
  position:relative;
  transition:transform .25s ease, box-shadow .25s ease;
}
@media (min-width:1024px){.plan{flex:1;}}
.plan:hover{transform:translateY(-2px);box-shadow:var(--sh-3);}
.plan::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;
  border-radius:var(--r-card) var(--r-card) 0 0;background:var(--c-line);
}
.plan--main{
  border-color:var(--c-primary);
  box-shadow:0 22px 44px -22px rgba(46,74,67,.5);
}
.plan--main::before{background:var(--c-primary);}
@media (min-width:1024px){.plan--main{transform:translateY(-14px);} .plan--main:hover{transform:translateY(-16px);}}
.plan__badge{
  position:absolute;top:-12px;right:20px;
  background:var(--c-accent);color:#fff;font-size:12.5px;
  padding:4px 12px;border-radius:var(--r-pill);box-shadow:var(--sh-2);
}
.plan__name{font-family:var(--font-serif);font-size:20px;color:var(--c-primary-deep);margin-bottom:6px;}
.plan__for{font-size:13.5px;color:var(--c-muted);margin-bottom:18px;}
.plan__price{
  font-family:var(--font-serif);font-size:28px;color:var(--c-accent);line-height:1.2;margin-bottom:18px;letter-spacing:.02em;
}
.plan__price small{font-family:var(--font-sans);font-size:13.5px;color:var(--c-muted);display:block;margin-top:4px;letter-spacing:0;}
.plan__list{border-top:1px dashed var(--c-line);padding-top:16px;margin-bottom:22px;flex:1;}
.plan__list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--c-ink-2);line-height:1.75;padding:8px 0;
}
.plan__list li i{
  flex-shrink:0;width:18px;height:18px;border-radius:50%;
  background:rgba(110,139,123,.16);color:var(--c-green);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:11px;font-style:normal;margin-top:4px;
}
.plan--main .plan__list li i{background:rgba(194,112,63,.16);color:var(--c-accent);}

/* ---------- calculator ---------- */
.calc-wrap{display:grid;gap:28px;}
@media (min-width:1024px){.calc-wrap{grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;}}
.calc-form{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--sh-2);
}
.field{margin-bottom:18px;}
.field:last-of-type{margin-bottom:22px;}
.field label{display:block;font-size:14px;font-weight:500;color:var(--c-ink-2);margin-bottom:8px;}
.field input[type="text"],
.field input[type="tel"],
.field input[type="number"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-input);
  padding:12px 14px;font-size:15px;color:var(--c-ink);
  transition:border-color .2s ease, box-shadow .2s ease;
}
.field textarea{min-height:112px;resize:vertical;line-height:1.75;}
.field input::placeholder,.field textarea::placeholder{color:#A79E95;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(46,74,67,.14);
}
.field .hint{font-size:13px;color:var(--c-muted);margin-top:6px;}
.field .err{display:none;font-size:13px;color:#B4462C;margin-top:6px;}
.field.has-error input,.field.has-error select{border-color:#C9755A;}
.field.has-error .err{display:block;}
.calc-result{
  background:var(--c-primary-deep);color:#F2EEE6;border-radius:var(--r-card);
  padding:30px 26px;box-shadow:0 22px 44px -24px rgba(30,51,46,.7);
}
.calc-result__label{font-size:13.5px;letter-spacing:.06em;color:rgba(242,238,230,.7);}
.calc-result__value{
  font-family:var(--font-serif);font-size:clamp(32px,4.6vw,44px);
  color:#fff;line-height:1.2;margin:10px 0 12px;letter-spacing:.02em;
}
.calc-result p{font-size:14px;color:rgba(242,238,230,.78);line-height:1.8;}
.calc-steps{margin-top:20px;border-top:1px dashed rgba(242,238,230,.28);padding-top:16px;}
.calc-steps li{font-size:13.5px;color:rgba(242,238,230,.8);padding:5px 0;}

/* ---------- routes ---------- */
.route{
  display:grid;gap:24px;align-items:center;
  padding:26px 0;border-bottom:1px dashed var(--c-line);
}
.route:last-child{border-bottom:0;}
@media (min-width:1024px){
  .route{grid-template-columns:1fr 1fr;gap:48px;padding:34px 0;}
  .route--flip .route__media{order:2;}
}
.route__media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-img);box-shadow:var(--sh-2);
}
.route__tag{
  display:inline-block;font-size:12.5px;color:var(--c-primary);
  border:1px solid rgba(46,74,67,.35);border-radius:6px;padding:3px 10px;margin-bottom:14px;
}
.route h3{font-family:var(--font-serif);font-size:21px;color:var(--c-primary-deep);margin-bottom:12px;}
.route p{color:var(--c-ink-2);font-size:15.5px;margin-bottom:14px;}
.route ul li{
  font-size:15px;color:var(--c-ink-2);padding:6px 0 6px 18px;position:relative;line-height:1.75;
}
.route ul li::before{
  content:"";position:absolute;left:0;top:17px;width:8px;height:1.5px;background:var(--c-accent);
}

/* ---------- faq ---------- */
.faq{display:grid;gap:14px;max-width:900px;}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:box-shadow .25s ease, border-color .25s ease;
}
.faq-item:hover{box-shadow:var(--sh-2);}
.faq-item.is-open{border-color:var(--c-green);box-shadow:var(--sh-2);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;justify-content:space-between;
  padding:18px 20px;text-align:left;
}
.faq-q::before{
  content:"";width:3px;align-self:stretch;border-radius:3px;background:var(--c-accent);flex-shrink:0;
}
.faq-q span.q-text{
  flex:1;font-size:16.5px;font-weight:500;color:var(--c-primary-deep);line-height:1.6;
}
.faq-q .q-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--c-line);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;transition:transform .25s ease, background .25s ease, color .25s ease;
}
.faq-item.is-open .q-icon{transform:rotate(45deg);background:var(--c-accent);color:#fff;border-color:var(--c-accent);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .28s ease;
}
.faq-a__inner{padding:0 20px 20px 37px;font-size:15.5px;color:var(--c-ink-2);line-height:1.85;}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--c-primary-deep);color:#F2EEE6;
  border-radius:var(--r-card);
  padding:30px 26px;
  display:grid;gap:20px;align-items:center;
}
@media (min-width:1024px){
  .cta-band{grid-template-columns:1fr auto;padding:36px 40px;gap:32px;}
}
.cta-band h3{font-family:var(--font-serif);font-size:22px;color:#fff;margin-bottom:8px;}
.cta-band p{font-size:14.5px;color:rgba(242,238,230,.78);}

/* ---------- consult ---------- */
.consult-grid{display:grid;gap:28px;}
@media (min-width:1024px){.consult-grid{grid-template-columns:1.4fr 1fr;gap:40px;}}
.panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--sh-2);
}
@media (min-width:1024px){.panel{padding:34px 32px;}}
.form-grid{display:grid;gap:0 20px;}
@media (min-width:640px){.form-grid{grid-template-columns:1fr 1fr;}}
.form-grid .field--full{grid-column:1/-1;}
.checkline{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--c-muted);line-height:1.7;}
.checkline input{margin-top:5px;width:16px;height:16px;accent-color:var(--c-primary);}
.form-ok{
  display:none;margin-top:16px;padding:12px 14px;border-radius:var(--r-input);
  background:rgba(110,139,123,.14);border:1px solid rgba(110,139,123,.4);
  color:var(--c-primary);font-size:14px;
}
.form-ok.is-show{display:block;}

.info-card{
  background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px 24px;
}
.info-card h3{font-family:var(--font-serif);font-size:20px;color:var(--c-primary-deep);margin-bottom:16px;}
.info-list li{
  display:flex;gap:12px;justify-content:space-between;
  font-size:14.5px;color:var(--c-ink-2);padding:11px 0;border-bottom:1px dashed var(--c-line);
}
.info-list li:last-child{border-bottom:0;}
.info-list li span:first-child{color:var(--c-muted);flex-shrink:0;}
.info-list li span:last-child{text-align:right;}
.info-note{margin-top:18px;font-size:13.5px;color:var(--c-muted);line-height:1.8;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--c-primary-deep);color:#D9D4C9;
  padding:56px 0 0;margin-top:0;
}
@media (min-width:1024px){.site-footer{padding:72px 0 0;}}
.footer-grid{display:grid;gap:32px;}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1.2fr 1.2fr;gap:40px;}}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-family:var(--font-serif);font-size:18px;color:#fff;margin-bottom:14px;
}
.footer-brand .brand__mark{background:rgba(255,255,255,.12);color:#F0EADC;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(217,212,201,.78);max-width:34em;}
.footer-title{font-size:14.5px;font-weight:500;color:#fff;margin-bottom:14px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a,.footer-links span{font-size:14px;color:rgba(217,212,201,.82);transition:color .2s ease;}
.footer-links a:hover{color:#E9A876;}
.footer-bottom{
  margin-top:44px;padding:18px 0 26px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:space-between;
  font-size:13px;color:rgba(217,212,201,.66);
}
.footer-bottom a{color:rgba(217,212,201,.8);}
.footer-bottom a:hover{color:#E9A876;}

/* foundation overrides */
.grid-container{max-width:1200px;padding-left:20px;padding-right:20px;}
@media (min-width:640px){.grid-container{padding-left:28px;padding-right:28px;}}
@media (min-width:1024px){.grid-container{padding-left:32px;padding-right:32px;}}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x>.cell{margin-left:12px;margin-right:12px;}
@media (max-width:639px){
  .grid-margin-x{margin-left:0;margin-right:0;}
  .grid-margin-x>.cell{margin-left:0;margin-right:0;width:100%;}
}
button:focus{outline:none;}

/* roulang page: category5 */
:root{
  --c-primary:#2E4A43;
  --c-primary-deep:#1E332E;
  --c-accent:#C2703F;
  --c-accent-deep:#A0562B;
  --c-bg:#F7F3EC;
  --c-surface:#FFFFFF;
  --c-surface-2:#FBF8F3;
  --c-ink:#14110F;
  --c-ink-2:#3B342E;
  --c-muted:#7A7068;
  --c-line:#E3DACD;
  --c-moss:#6E8B7B;
  --c-camel:#B08A6A;
  --c-mist:#8A8279;
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --r-tag:6px;
  --sh-1:0 1px 2px rgba(20,17,15,.04);
  --sh-card:0 8px 24px -12px rgba(20,17,15,.18);
  --sh-hover:0 14px 32px -14px rgba(20,17,15,.26);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --sec:88px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding-left:1.2em;}
h1,h2,h3{font-family:var(--font-serif);font-weight:700;letter-spacing:.01em;color:var(--c-ink);}
h1{font-size:clamp(30px,4.4vw,46px);line-height:1.28;}
h2{font-size:clamp(24px,3vw,32px);line-height:1.32;}
h3{font-size:20px;line-height:1.45;}
p{line-height:1.85;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
@media (max-width:1023px){ .container{padding:0 28px;} }
@media (max-width:639px){ .container{padding:0 20px;} }

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,243,236,.93);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 26px -18px rgba(20,17,15,.5);}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;font-family:var(--font-serif);font-weight:700;font-size:17px;color:var(--c-ink);white-space:nowrap;}
.brand__mark{width:34px;height:34px;flex:0 0 auto;border-radius:10px;background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;}
.brand__mark svg{width:19px;height:19px;}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px;}
.main-nav a{position:relative;padding:9px 12px;border-radius:8px;font-size:15px;color:var(--c-ink-2);transition:color .2s ease;}
.main-nav a::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .24s ease;}
.main-nav a:hover{color:var(--c-primary);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--c-primary);font-weight:600;}
.main-nav a.is-active::after{transform:scaleX(1);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{display:flex;align-items:center;width:210px;padding:2px 4px 2px 14px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);transition:border-color .2s ease,box-shadow .2s ease;}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(46,74,67,.14);}
.nav-search input{flex:1;width:100%;border:0;background:transparent;outline:none;padding:7px 0;font-size:14px;color:var(--c-ink);}
.nav-search input::placeholder{color:var(--c-muted);}
.nav-search button{border:0;background:transparent;color:var(--c-muted);font-size:17px;line-height:1;padding:5px 9px;border-radius:var(--r-pill);cursor:pointer;transition:color .2s ease,background .2s ease;}
.nav-search button:hover{color:var(--c-primary);background:var(--c-surface-2);}
.nav-login{font-size:15px;color:var(--c-ink-2);padding:6px 2px;border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease;}
.nav-login:hover{color:var(--c-accent);border-color:var(--c-accent);}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:4px;width:40px;height:40px;padding:0 8px;background:#fff;border:1px solid var(--c-line);border-radius:10px;cursor:pointer;}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--c-primary);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--r-pill);
  padding:13px 26px;font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn--accent{background:var(--c-accent);color:#fff;}
.btn--accent:hover{background:var(--c-accent-deep);transform:translateY(-1px);box-shadow:0 12px 24px -14px rgba(160,86,43,.9);}
.btn--accent:active{transform:translateY(1px);}
.btn--primary{background:var(--c-primary);color:#fff;}
.btn--primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:0 12px 24px -14px rgba(30,51,46,.9);}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn--ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-1px);}
.btn--outline{background:#fff;color:var(--c-primary);border-color:var(--c-line);}
.btn--outline:hover{border-color:var(--c-primary);color:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--sh-card);}
.btn--sm{padding:10px 18px;font-size:14px;}
.btn--block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.5;box-shadow:none;transform:none;cursor:not-allowed;}

/* ---------- badges & chips ---------- */
.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:var(--r-tag);background:var(--c-accent);color:#fff;font-size:12.5px;font-weight:600;line-height:1.7;}
.badge--seal{background:transparent;color:var(--c-accent);border:1px solid var(--c-accent);border-radius:4px;letter-spacing:.08em;}
.badge--moss{background:var(--c-moss);}
.badge--camel{background:var(--c-camel);}
.badge--mist{background:var(--c-mist);}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}
.chip{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border:1px solid var(--c-line);border-radius:var(--r-pill);background:#fff;font-size:14px;color:var(--c-ink-2);transition:all .2s ease;}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px);box-shadow:var(--sh-1);}
.chip.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}

/* ---------- page hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--c-primary-deep) url('/assets/images/backpic/back-1.png') center/cover no-repeat;padding:64px 0 72px;color:#fff;}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(30,51,46,.9),rgba(30,51,46,.82));}
.page-hero .container{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:22px;}
.crumb a{color:rgba(255,255,255,.86);}
.crumb a:hover{color:#fff;text-decoration:underline;}
.crumb span.sep{color:rgba(255,255,255,.4);}
.crumb .now{color:var(--c-accent);}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.page-hero h1{color:#fff;margin-bottom:16px;}
.page-hero .lede{font-size:17px;line-height:1.9;color:rgba(255,255,255,.86);max-width:600px;margin-bottom:28px;}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;}
.hero-card{background:rgba(255,255,255,.97);border-radius:var(--r-card);padding:16px;box-shadow:0 18px 40px -20px rgba(0,0,0,.55);color:var(--c-ink);}
.hero-card img{width:100%;aspect-ratio:16/10;border-radius:var(--r-img);}
.hero-card__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:14px 4px 10px;}
.hero-card__head strong{font-family:var(--font-serif);font-size:17px;}
.metric-list{list-style:none;padding:0;margin:0;}
.metric-list li{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:9px 4px;border-top:1px dashed var(--c-line);font-size:14px;color:var(--c-ink-2);}
.metric-list li:first-child{border-top:0;}
.metric-list b{font-family:var(--font-serif);color:var(--c-accent);font-size:17px;letter-spacing:.02em;}

/* ---------- sections ---------- */
.section{padding:var(--sec) 0;}
.section--tight{padding:56px 0;}
.section--alt{background:var(--c-surface-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.sec-head p.kicker{font-size:13.5px;letter-spacing:.12em;color:var(--c-accent);font-weight:600;margin-bottom:8px;}
.sec-head h2{margin-bottom:8px;}
.sec-head .desc{color:var(--c-ink-2);font-size:15.5px;max-width:640px;}
.link-more{font-size:15px;font-weight:600;color:var(--c-primary);white-space:nowrap;border-bottom:1px solid currentColor;padding-bottom:2px;transition:color .2s ease;}
.link-more:hover{color:var(--c-accent);}

/* ---------- market layout ---------- */
.market-layout{display:grid;grid-template-columns:250px 1fr;gap:36px;align-items:start;}
.index-panel{position:sticky;top:96px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px 20px;box-shadow:var(--sh-1);}
.index-panel h3{font-size:16px;margin-bottom:14px;padding-left:10px;border-left:3px solid var(--c-accent);}
.index-group{margin-bottom:18px;}
.index-group:last-child{margin-bottom:0;}
.index-group p{font-size:12.5px;letter-spacing:.1em;color:var(--c-muted);margin-bottom:8px;}
.index-links{display:flex;flex-direction:column;gap:2px;}
.index-links a{display:flex;justify-content:space-between;gap:10px;padding:7px 8px;border-radius:8px;font-size:14.5px;color:var(--c-ink-2);transition:background .2s ease,color .2s ease;}
.index-links a span{color:var(--c-muted);font-size:12.5px;}
.index-links a:hover{background:var(--c-surface-2);color:var(--c-primary);}

.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:18px;box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#d8ccba;}
.news-card__media{position:relative;overflow:hidden;border-radius:var(--r-img);margin-bottom:14px;}
.news-card__media img{width:100%;aspect-ratio:4/3;transition:transform .4s ease;}
.news-card:hover .news-card__media img{transform:scale(1.03);}
.news-card__tag{position:absolute;left:10px;top:10px;}
.news-card h3{font-size:17.5px;line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease;}
.news-card:hover h3{color:var(--c-primary);}
.news-card p{font-size:14.5px;color:var(--c-ink-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card__foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px dashed var(--c-line);font-size:13px;color:var(--c-muted);}
.news-card__foot a{color:var(--c-primary);font-weight:600;transition:color .2s ease;}
.news-card__foot a:hover{color:var(--c-accent);}

/* ---------- rank list ---------- */
.rank-list{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);}
.rank-head,.rank-row{display:grid;grid-template-columns:2.2fr 1fr 1.4fr 1fr;gap:16px;align-items:center;padding:16px 22px;}
.rank-head{background:var(--c-primary);color:#fff;font-size:13.5px;letter-spacing:.06em;}
.rank-row{border-top:1px solid var(--c-line);font-size:14.5px;color:var(--c-ink-2);}
.rank-row:nth-child(even){background:var(--c-surface-2);}
.rank-row strong{display:block;font-family:var(--font-serif);font-size:16px;color:var(--c-ink);}
.rank-row .price{font-family:var(--font-serif);color:var(--c-accent);font-size:16px;letter-spacing:.02em;}
.rank-row .level{display:inline-flex;align-items:center;gap:6px;}
.rank-row .level i{display:inline-block;width:44px;height:6px;border-radius:3px;background:var(--c-line);position:relative;overflow:hidden;}
.rank-row .level i::after{content:"";position:absolute;left:0;top:0;bottom:0;background:var(--c-moss);border-radius:3px;}
.rank-row .lv-1 i::after{width:34%;}
.rank-row .lv-2 i::after{width:58%;}
.rank-row .lv-3 i::after{width:78%;}
.rank-row .lv-4 i::after{width:96%;background:var(--c-accent);}
.rank-note{margin-top:14px;font-size:13.5px;color:var(--c-muted);display:flex;gap:8px;align-items:flex-start;}

/* ---------- factor rows ---------- */
.factor-row{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;margin-bottom:40px;}
.factor-row:last-child{margin-bottom:0;}
.factor-row--rev .factor-media{order:2;}
.factor-media img{width:100%;aspect-ratio:5/4;border-radius:var(--r-card);box-shadow:var(--sh-card);}
.factor-text h3{margin-bottom:12px;}
.factor-text p{color:var(--c-ink-2);font-size:15.5px;margin-bottom:14px;}
.factor-text ul{list-style:none;padding:0;margin:0;}
.factor-text li{position:relative;padding-left:20px;font-size:15px;color:var(--c-ink-2);line-height:1.8;margin-bottom:8px;}
.factor-text li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--c-accent);}
.factor-no{font-family:var(--font-serif);font-size:14px;color:var(--c-accent);letter-spacing:.14em;margin-bottom:6px;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:box-shadow .24s ease;}
.faq-item.is-open{box-shadow:var(--sh-card);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;background:transparent;border:0;border-left:3px solid transparent;text-align:left;cursor:pointer;font-size:16.5px;font-weight:600;font-family:var(--font-serif);color:var(--c-ink);transition:border-color .22s ease,color .22s ease;}
.faq-item.is-open .faq-q{border-left-color:var(--c-accent);color:var(--c-primary);}
.faq-q i{flex:0 0 auto;font-style:normal;font-size:20px;line-height:1;color:var(--c-accent);transition:transform .25s ease;}
.faq-item.is-open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a p{padding:0 22px 20px 25px;font-size:15.5px;color:var(--c-ink-2);line-height:1.85;}

/* ---------- subscribe ---------- */
.subscribe{background:var(--c-primary);color:#fff;border-radius:var(--r-card);padding:40px;display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center;}
.subscribe h2{color:#fff;margin-bottom:10px;}
.subscribe p{color:rgba(255,255,255,.82);font-size:15.5px;}
.sub-form{display:flex;gap:10px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);border-radius:var(--r-pill);padding:6px 6px 6px 18px;}
.sub-form input{flex:1;background:transparent;border:0;outline:none;color:#fff;font-size:15px;min-width:0;}
.sub-form input::placeholder{color:rgba(255,255,255,.6);}
.sub-tip{font-size:13px;color:rgba(255,255,255,.66);margin-top:10px;}

/* ---------- CTA ---------- */
.cta-band{background:#fff;border:1px solid var(--c-line);border-left:4px solid var(--c-accent);border-radius:var(--r-card);padding:32px 36px;display:flex;align-items:center;justify-content:space-between;gap:28px;box-shadow:var(--sh-1);}
.cta-band h2{font-size:22px;margin-bottom:8px;}
.cta-band p{color:var(--c-ink-2);font-size:15px;}
.cta-band .btns{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.78);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.3fr 1.2fr;gap:36px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:var(--font-serif);font-size:17px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-brand .brand__mark{background:var(--c-accent);}
.footer-desc{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.72);max-width:340px;}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a,.footer-links span{font-size:14.5px;color:rgba(255,255,255,.74);transition:color .2s ease;}
.footer-links a:hover{color:var(--c-accent);}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.14);font-size:13.5px;color:rgba(255,255,255,.6);}
.footer-bottom a{color:rgba(255,255,255,.78);}
.footer-bottom a:hover{color:var(--c-accent);}

/* ---------- drawer extra (mobile only) ---------- */
.drawer-extra{display:none;}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  :root{--sec:72px;}
  .nav-wrap{height:64px;}
  .nav-login{display:none;}
  .nav-search{width:170px;}
  .main-nav{
    position:fixed;left:0;right:0;top:64px;bottom:0;
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    margin:0;padding:18px 20px 40px;
    background:var(--c-bg);
    overflow-y:auto;
    transform:translateY(-10px);opacity:0;visibility:hidden;
    transition:opacity .24s ease,transform .24s ease,visibility .24s;
    box-shadow:0 24px 40px -24px rgba(20,17,15,.4);
  }
  body.nav-open .main-nav{opacity:1;visibility:visible;transform:none;}
  .main-nav a{padding:15px 4px;font-size:16.5px;border-bottom:1px solid var(--c-line);border-radius:0;}
  .main-nav a::after{left:4px;right:auto;width:26px;bottom:9px;}
  .nav-toggle{display:flex;}
  body.nav-open{overflow:hidden;}
  .drawer-extra{display:block;padding-top:22px;}
  .drawer-extra .nav-search{width:100%;display:flex;margin-bottom:14px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .page-hero{padding:48px 0 56px;}
  .market-layout{grid-template-columns:1fr;gap:28px;}
  .index-panel{position:static;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .subscribe{grid-template-columns:1fr;padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .factor-row{gap:28px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
}
@media (max-width:639px){
  :root{--sec:56px;}
  .nav-search{display:none;}
  .news-grid{grid-template-columns:1fr;}
  .rank-head{display:none;}
  .rank-row{grid-template-columns:1fr 1fr;gap:8px 14px;padding:16px 18px;}
  .rank-row .level{grid-column:1 / -1;}
  .factor-row{grid-template-columns:1fr;gap:20px;}
  .factor-row--rev .factor-media{order:0;}
  .subscribe{padding:26px 20px;}
  .sub-form{flex-wrap:wrap;border-radius:var(--r-card);padding:14px;}
  .sub-form input{width:100%;flex:1 1 100%;padding:8px 4px;}
  .sub-form .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:24px 20px;}
  .hero-btns .btn{width:100%;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}