/* roulang page: index */
:root{
  --brand:#2F6F67;
  --brand-dark:#24564F;
  --brand-soft:#E4EFEC;
  --clay:#C66A3D;
  --clay-soft:#F2E3DA;
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --ink:#1E2A2A;
  --muted:#66706D;
  --line:#DED8CC;
  --danger:#B4472F;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:24px;
  --shadow-soft:0 12px 30px rgba(30,42,42,.08);
  --shadow-hover:0 18px 40px rgba(30,42,42,.12);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:6px;}
h1,h2,h3,h4{line-height:1.28;margin:0;font-weight:700;letter-spacing:.2px;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 1rem;}
@media(min-width:640px){.container{padding:0 1.5rem;}}
@media(min-width:1024px){.container{padding:0 2rem;}}
.section{padding:3.5rem 0;}
@media(min-width:768px){.section{padding:5rem 0;}}
@media(min-width:1024px){.section{padding:6rem 0;}}
.section-narrow{padding:2.5rem 0;}
@media(min-width:768px){.section-narrow{padding:3.5rem 0;}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,238,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:1rem;
  min-height:78px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:1.4rem;}
.nav-right{justify-content:flex-end;}
.logo{
  font-family:"Noto Serif SC","Songti SC",serif;
  font-size:1.18rem;
  font-weight:700;
  letter-spacing:1px;
  color:var(--brand-dark);
  white-space:nowrap;
  padding:.35rem .2rem;
  text-align:center;
}
.logo span{color:var(--clay);}
.nav-link{
  position:relative;
  font-size:.95rem;
  color:#33413F;
  padding:.55rem 0;
  transition:color .2s ease;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;left:0;right:0;bottom:.1rem;
  height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
  border-radius:2px;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand-dark);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-cta{
  display:inline-flex;align-items:center;gap:.45rem;
  background:var(--brand);color:#fff;
  padding:.62rem 1.25rem;border-radius:999px;
  font-size:.92rem;font-weight:600;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.nav-cta:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--shadow-soft);}
.mobile-bar{display:none;}
.menu-toggle{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--brand-dark);
  cursor:pointer;
}
.drawer{
  display:none;
  border-top:1px solid var(--line);
  background:var(--surface);
  padding:1rem 0 1.5rem;
}
.drawer.is-open{display:block;}
.drawer a{
  display:block;padding:.9rem .25rem;
  border-bottom:1px solid var(--line);
  font-size:1rem;color:#33413F;
}
.drawer a.is-active{color:var(--brand-dark);font-weight:600;}
@media(max-width:1023px){
  .nav-left,.nav-right{display:none;}
  .mobile-bar{
    display:grid;grid-template-columns:44px 1fr 44px;
    align-items:center;gap:.5rem;min-height:70px;
  }
  .mobile-bar .logo{font-size:1.02rem;}
  .mobile-cta{
    width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
    background:var(--brand);color:#fff;border-radius:12px;
  }
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.85rem 1.75rem;border-radius:999px;
  font-weight:600;font-size:.98rem;
  transition:all .22s ease;cursor:pointer;border:1px solid transparent;
  min-height:44px;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(47,111,103,.22);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--shadow-hover);}
.btn-ghost{background:transparent;color:var(--brand-dark);border-color:var(--line);}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--brand-dark);}
.btn-light:hover{background:var(--clay-soft);transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn:disabled{opacity:.5;cursor:not-allowed;}

/* ============ 标签 / 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:.35rem;
  background:var(--brand-soft);color:var(--brand-dark);
  border-radius:999px;padding:.22rem .8rem;
  font-size:.78rem;font-weight:600;letter-spacing:.3px;
}
.badge-clay{background:var(--clay-soft);color:#8C3F1E;}

/* ============ Hero ============ */
.hero{
  position:relative;
  min-height:600px;
  display:flex;align-items:center;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center right;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(247,244,238,.97) 0%,rgba(247,244,238,.92) 42%,rgba(247,244,238,.55) 72%,rgba(247,244,238,.32) 100%);
}
.hero-inner{position:relative;z-index:2;padding:4.5rem 0 4rem;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:.55rem;
  font-size:.85rem;color:var(--brand-dark);letter-spacing:1px;font-weight:600;
  background:rgba(255,255,255,.82);border:1px solid var(--line);
  border-radius:999px;padding:.4rem 1rem;margin-bottom:1.4rem;
}
.hero h1{
  font-size:clamp(2.2rem,5vw,4rem);
  color:#16211F;
  max-width:16em;
  margin-bottom:1.2rem;
}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{
  font-size:clamp(1rem,1.6vw,1.15rem);
  color:#3F4A48;
  max-width:40em;
  margin-bottom:2rem;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:.9rem;margin-bottom:2.6rem;}
.trust-row{
  display:flex;flex-wrap:wrap;gap:1.6rem 2.4rem;
  padding-top:1.6rem;border-top:1px solid rgba(222,216,204,.9);
}
.trust-item{display:flex;align-items:center;gap:.6rem;font-size:.92rem;color:#3F4A48;}
.trust-item i{color:var(--brand);font-size:1.05rem;}
@media(max-width:767px){
  .hero{min-height:auto;background-position:center bottom;}
  .hero-inner{padding:3rem 0 3rem;}
  .trust-row{gap:1rem 1.6rem;}
}

/* ============ 板块标题 ============ */
.sec-head{max-width:44em;margin-bottom:2.6rem;}
.sec-label{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.82rem;font-weight:700;letter-spacing:2px;color:var(--clay);
  text-transform:uppercase;margin-bottom:.85rem;
}
.sec-label::before{content:"";width:26px;height:2px;background:var(--clay);border-radius:2px;}
.sec-head h2{font-size:clamp(1.6rem,3vw,2.5rem);color:#16211F;margin-bottom:.85rem;}
.sec-head p{color:var(--muted);font-size:1.03rem;}

/* ============ 痛点区 ============ */
.pain-grid{
  display:grid;grid-template-columns:1fr;gap:1.2rem;
}
@media(min-width:768px){
  .pain-grid{grid-template-columns:1fr 1fr;gap:1.5rem;}
  .pain-card:nth-child(2){transform:translateY(2rem);}
  .pain-card:nth-child(4){transform:translateY(2rem);}
}
.pain-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:1.8rem;
  box-shadow:var(--shadow-soft);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.pain-card:hover{border-color:rgba(47,111,103,.35);transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.pain-icon{
  width:48px;height:48px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:1.15rem;margin-bottom:1.1rem;
}
.pain-card h3{font-size:1.18rem;margin-bottom:.6rem;color:#16211F;}
.pain-card p{color:var(--muted);font-size:.96rem;margin:0;}

/* ============ 解决方案 ============ */
.solution-wrap{display:grid;grid-template-columns:1fr;gap:2.4rem;}
@media(min-width:1024px){
  .solution-wrap{grid-template-columns:minmax(0,0.85fr) minmax(0,1.15fr);gap:3.5rem;align-items:start;}
  .solution-aside{position:sticky;top:120px;}
}
.solution-aside h2{font-size:clamp(1.6rem,3vw,2.4rem);color:#16211F;margin-bottom:1rem;}
.solution-aside p{color:var(--muted);}
.solution-figure{
  margin-top:1.6rem;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-soft);
}
.solution-figure img{width:100%;height:230px;object-fit:cover;}
.solution-figure figcaption{font-size:.82rem;color:var(--muted);padding:.7rem 1rem;background:var(--surface);}
.solution-cards{display:grid;grid-template-columns:1fr;gap:1.2rem;}
@media(min-width:640px){.solution-cards{grid-template-columns:1fr 1fr;gap:1.4rem;}}
.sol-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:1.6rem;transition:all .25s ease;position:relative;overflow:hidden;
}
.sol-card:hover{border-color:rgba(47,111,103,.4);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.sol-num{
  font-family:"Noto Serif SC",serif;font-size:.8rem;font-weight:700;letter-spacing:2px;
  color:var(--clay);display:block;margin-bottom:.8rem;
}
.sol-card h3{font-size:1.1rem;margin-bottom:.55rem;color:#16211F;}
.sol-card p{font-size:.93rem;color:var(--muted);margin-bottom:1rem;}
.sol-card .link-more{font-size:.88rem;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:.35rem;}
.sol-card .link-more:hover{color:var(--brand-dark);text-decoration:underline;}

/* ============ 数据条 ============ */
.stats-band{
  background:linear-gradient(180deg,#22423D 0%,#1B3733 100%);
  border-radius:var(--radius-lg);
  padding:2.6rem 1.8rem;
  color:#EDF3F1;
  position:relative;overflow:hidden;
}
.stats-band::after{
  content:"";position:absolute;right:-40px;top:-40px;width:240px;height:240px;
  border:1px solid rgba(242,227,218,.22);border-radius:50%;
}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem 1.4rem;position:relative;z-index:2;}
@media(min-width:900px){.stats-grid{grid-template-columns:repeat(4,1fr);}}
.stat-num{
  font-family:"Noto Serif SC",serif;
  font-size:clamp(1.9rem,3.4vw,2.7rem);
  font-weight:700;color:#F2E3DA;line-height:1.1;margin-bottom:.5rem;
}
.stat-label{font-size:.92rem;color:#C9D6D2;}
.stat-desc{font-size:.82rem;color:#9DB0AB;margin-top:.3rem;}

/* ============ 证言 ============ */
.quote-grid{display:grid;grid-template-columns:1fr;gap:1.4rem;}
@media(min-width:768px){
  .quote-grid{grid-template-columns:1fr 1fr;gap:1.6rem;align-items:start;}
  .quote-card:nth-child(2){margin-top:2.5rem;}
  .quote-card:nth-child(3){margin-top:-1rem;}
}
.quote-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:1.9rem;box-shadow:var(--shadow-soft);transition:all .25s ease;
}
.quote-card:hover{border-color:rgba(47,111,103,.35);transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.quote-card .fa-quote-left{color:var(--clay-soft);font-size:1.6rem;margin-bottom:.8rem;}
.quote-card blockquote{margin:0 0 1.3rem;color:#33413F;font-size:1rem;}
.quote-person{display:flex;align-items:center;gap:.8rem;border-top:1px solid var(--line);padding-top:1.1rem;}
.quote-avatar{
  width:44px;height:44px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1rem;
}
.quote-person .name{font-size:.94rem;font-weight:600;color:#16211F;}
.quote-person .role{font-size:.82rem;color:var(--muted);}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:1fr;gap:1.6rem;}
@media(min-width:1024px){.news-grid{grid-template-columns:1.1fr .9fr;gap:2.2rem;align-items:start;}}
.lead-news{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-soft);transition:all .25s ease;
}
.lead-news:hover{border-color:rgba(47,111,103,.35);transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.lead-news-media{display:block;position:relative;}
.lead-news-media::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(47,111,103,.05),rgba(47,111,103,.18));
}
.lead-news-media img{width:100%;height:250px;object-fit:cover;}
.lead-news-body{padding:1.6rem 1.8rem 1.9rem;}
.meta-row{display:flex;align-items:center;gap:.8rem;flex-wrap:wrap;margin-bottom:.85rem;}
.meta-row time{font-size:.82rem;color:var(--muted);}
.lead-news-body h3{font-size:1.3rem;margin-bottom:.65rem;color:#16211F;}
.lead-news-body h3 a:hover{color:var(--brand);}
.lead-news-body p{color:var(--muted);font-size:.95rem;margin-bottom:1.1rem;}
.news-list{list-style:none;margin:0;padding:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;}
.news-list li + li{border-top:1px solid var(--line);}
.news-list a{
  display:block;padding:1.15rem 1.4rem;transition:background .2s ease;
}
.news-list a:hover{background:#FBF9F4;}
.news-list .news-title{
  display:block;font-size:1rem;font-weight:600;color:#1F2C2A;margin-bottom:.35rem;
  transition:color .2s ease;
}
.news-list a:hover .news-title{color:var(--brand);}
.news-list .news-meta{font-size:.82rem;color:var(--muted);}
.empty-state{
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius-lg);
  padding:3rem 1.5rem;text-align:center;color:var(--muted);
}
.empty-state i{font-size:1.8rem;color:var(--brand-soft);display:block;margin-bottom:.9rem;}

/* ============ FAQ ============ */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-md);margin-bottom:.9rem;overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item[open]{border-color:rgba(47,111,103,.4);box-shadow:var(--shadow-soft);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:1.15rem 3.2rem 1.15rem 1.4rem;
  font-size:1.03rem;font-weight:600;color:#1F2C2A;position:relative;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-item summary::after{
  content:"\f067";
  font-family:"Font Awesome 6 Free";font-weight:900;font-size:.8rem;
  position:absolute;right:1.4rem;top:50%;transform:translateY(-50%);
  color:var(--brand);transition:transform .28s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(135deg);}
.faq-body{padding:0 1.4rem 1.35rem;color:var(--muted);font-size:.96rem;line-height:1.85;}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background-color:#1B3733;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  padding:3.2rem 1.8rem;text-align:center;color:#F2F6F4;
}
.cta-band::before{content:"";position:absolute;inset:0;background:rgba(24,52,48,.86);}
.cta-inner{position:relative;z-index:2;max-width:44em;margin:0 auto;}
.cta-band h2{font-size:clamp(1.5rem,2.8vw,2.2rem);color:#fff;margin-bottom:1rem;}
.cta-band p{color:#C9D6D2;margin-bottom:1.9rem;}
.cta-actions{display:flex;flex-wrap:wrap;gap:.9rem;justify-content:center;}

/* ============ 页脚 ============ */
.site-footer{background:#16211F;color:#D7DEDA;padding:3.5rem 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:2.2rem;}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2rem;}}
.footer-brand .logo-f{
  font-family:"Noto Serif SC","Songti SC",serif;font-size:1.15rem;font-weight:700;
  color:#fff;letter-spacing:1px;margin-bottom:.9rem;display:block;
}
.footer-brand p{font-size:.9rem;color:#9DB0AB;line-height:1.85;max-width:32em;}
.footer-col h4{font-size:.95rem;color:#fff;margin-bottom:1rem;letter-spacing:.5px;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:.65rem;}
.footer-col a{font-size:.9rem;color:#B9C6C1;transition:color .2s ease;}
.footer-col a:hover{color:var(--clay);}
.footer-bottom{
  margin-top:2.8rem;border-top:1px solid rgba(222,216,204,.16);
  padding:1.4rem 0;display:flex;flex-wrap:wrap;gap:.6rem 1.5rem;
  justify-content:space-between;font-size:.82rem;color:#8C9C97;
}
.back-top{
  position:fixed;right:1.1rem;bottom:1.4rem;z-index:70;
  width:46px;height:46px;border-radius:50%;
  background:var(--brand);color:#fff;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-soft);opacity:0;pointer-events:none;
  transition:opacity .3s ease,transform .3s ease,background .2s ease;
}
.back-top.show{opacity:1;pointer-events:auto;}
.back-top:hover{background:var(--brand-dark);transform:translateY(-2px);}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:#EFEBE2;}
::-webkit-scrollbar-thumb{background:#C4CCC7;border-radius:999px;}
::-webkit-scrollbar-thumb:hover{background:var(--brand);}

/* roulang page: article */
:root{
  --ink:#1E2A2A;
  --ink-weak:#66706D;
  --line:#DED8CC;
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --primary:#2F6F67;
  --primary-deep:#24564F;
  --primary-soft:#E9F0EE;
  --accent:#C66A3D;
  --accent-soft:#F2E3DA;
  --danger:#B4472F;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-soft:0 12px 30px rgba(30,42,42,.08);
  --sh-hover:0 18px 40px rgba(30,42,42,.12);
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-serif:"Noto Serif SC","Songti SC",serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--ink);
  line-height:1.85;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:1rem}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0}
::selection{background:var(--primary);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.container{width:100%;max-width:80rem;margin:0 auto;padding-left:1rem;padding-right:1rem}
@media (min-width:640px){.container{padding-left:1.5rem;padding-right:1.5rem}}
@media (min-width:1024px){.container{padding-left:2rem;padding-right:2rem}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,238,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  gap:1.25rem;height:82px;
}
.nav-left{display:flex;align-items:center;gap:1.6rem}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:1.1rem}
.logo{
  font-family:var(--font-serif);
  font-size:1.32rem;font-weight:700;letter-spacing:.02em;
  color:var(--primary-deep);white-space:nowrap;
}
.logo span{color:var(--accent);font-family:var(--font-sans);font-weight:800}
.nav-link{
  position:relative;font-size:.95rem;color:var(--ink);
  padding:.4rem 0;transition:color .22s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;
  background:var(--primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .26s ease;
}
.nav-link:hover{color:var(--primary-deep)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--primary-deep);font-weight:600}
.nav-cta{
  display:inline-flex;align-items:center;gap:.45rem;
  background:var(--primary);color:#fff;font-size:.9rem;font-weight:600;
  padding:.62rem 1.15rem;border-radius:var(--r-pill);
  box-shadow:var(--sh-soft);transition:background .22s,transform .22s,box-shadow .22s;
}
.nav-cta:hover{background:var(--primary-deep);transform:translateY(-1px);box-shadow:var(--sh-hover)}
.mobile-bar{display:none}
.drawer{display:none}
@media (max-width:1023px){
  .nav-wrap{display:none}
  .mobile-bar{
    display:grid;grid-template-columns:44px 1fr 44px;align-items:center;height:64px;
  }
  .mobile-bar .logo{justify-self:center;font-size:1.1rem}
  .menu-toggle{
    width:44px;height:44px;border:1px solid var(--line);background:var(--surface);
    border-radius:12px;color:var(--primary-deep);font-size:1.05rem;
    display:flex;align-items:center;justify-content:center;
  }
  .menu-toggle:hover{border-color:var(--primary);color:var(--primary)}
  .mobile-cta{
    width:44px;height:44px;border-radius:12px;background:var(--primary);color:#fff;
    display:flex;align-items:center;justify-content:center;justify-self:end;
  }
  .drawer{
    border-top:1px solid var(--line);background:var(--surface);
    box-shadow:var(--sh-soft);padding:1rem 0 1.4rem;
  }
  .drawer.open{display:block}
  .drawer .container{display:flex;flex-direction:column;gap:.25rem}
  .drawer a{
    padding:.95rem .4rem;font-size:1rem;color:var(--ink);
    border-bottom:1px solid #EFEBE1;transition:color .2s,background .2s;
  }
  .drawer a:last-child{border-bottom:none}
  .drawer a:hover{color:var(--primary);background:#FAF8F3}
  .drawer a.is-active{color:var(--primary-deep);font-weight:600}
}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.8rem 1.6rem;border-radius:var(--r-pill);font-size:.95rem;font-weight:600;
  border:1px solid transparent;transition:all .22s ease;min-height:46px;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-soft)}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-1px);box-shadow:var(--sh-hover)}
.btn-ghost{background:transparent;color:var(--primary-deep);border-color:var(--line)}
.btn-ghost:hover{background:var(--primary-soft);border-color:var(--primary)}
.btn:active{transform:translateY(1px)}
.badge{
  display:inline-flex;align-items:center;gap:.35rem;
  background:var(--primary-soft);color:var(--primary-deep);
  font-size:.78rem;font-weight:600;letter-spacing:.02em;
  padding:.3rem .75rem;border-radius:var(--r-pill);
}
.badge-clay{background:var(--accent-soft);color:#9C4E2A}
.divider{height:1px;background:var(--line);border:none;margin:0}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;overflow:hidden;
  padding:2.4rem 0 2.8rem;
  background:
    linear-gradient(180deg,rgba(247,244,238,.94),rgba(247,244,238,.99)),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.article-hero::after{
  content:"";position:absolute;inset:auto -60px -120px auto;width:320px;height:320px;
  background:radial-gradient(circle at center,rgba(47,111,103,.12),transparent 70%);
  pointer-events:none;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;
  font-size:.85rem;color:var(--ink-weak);margin-bottom:1.1rem;
}
.breadcrumb a{color:var(--ink-weak);transition:color .2s}
.breadcrumb a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.breadcrumb i{font-size:.65rem;color:#B7B0A3}
.crumb-current{
  max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink);
}
.article-title{
  font-family:var(--font-serif);
  font-size:clamp(1.75rem,3.6vw,2.6rem);
  line-height:1.32;color:var(--ink);letter-spacing:.01em;
  max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:.75rem 1.25rem;
  margin-top:1.25rem;font-size:.86rem;color:var(--ink-weak);
}
.meta-item{display:inline-flex;align-items:center;gap:.4rem}
.meta-item i{color:var(--primary);font-size:.85rem}

/* ============ 文章布局 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr);gap:3rem;
  padding-top:3rem;padding-bottom:4rem;
}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 296px;gap:3.5rem}
}
.article-main{max-width:820px;width:100%}
.article-cover{
  margin:0 0 2.2rem;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-soft);position:relative;background:var(--primary-soft);
}
.article-cover img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
}
.article-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(47,111,103,.06),rgba(30,42,42,.14));
  pointer-events:none;
}
.article-body{
  font-size:1.0625rem;line-height:1.9;color:#26312F;word-break:break-word;
}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:clamp(1.3rem,2.4vw,1.7rem);
  margin:2.2em 0 .9em;padding-left:.8rem;
  border-left:4px solid var(--primary);color:var(--ink);line-height:1.4;
}
.article-body h3{font-size:1.2rem;margin:1.7em 0 .7em;color:var(--ink)}
.article-body h4{font-size:1.05rem;margin:1.4em 0 .6em;color:var(--primary-deep)}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.5em}
.article-body li{margin:.5em 0}
.article-body ul li::marker{color:var(--primary)}
.article-body blockquote{
  margin:1.7em 0;padding:1rem 1.3rem;background:#EDF3F1;
  border-left:4px solid var(--accent);border-radius:0 var(--r-md) var(--r-md) 0;
  color:#33403E;font-size:1.02rem;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--primary-deep)}
.article-body img{border-radius:var(--r-md);margin:1.6em 0;box-shadow:var(--sh-soft)}
.article-body figure{margin:1.8em 0}
.article-body figcaption{
  font-size:.85rem;color:var(--ink-weak);text-align:center;margin-top:.6rem;
}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  margin:1.7em 0;font-size:.94rem;
}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:.62rem .85rem;text-align:left;white-space:nowrap;
}
.article-body th{background:#F1EFE8;font-weight:600;color:var(--ink)}
.article-body pre{
  background:#1E2A2A;color:#EDEFEA;padding:1.05rem 1.25rem;border-radius:var(--r-md);
  overflow-x:auto;margin:1.6em 0;font-size:.9rem;line-height:1.7;
}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em}
.article-body :not(pre) > code{
  background:#EFECE4;color:#8C4A28;padding:.15em .42em;border-radius:6px;
}
.article-body hr{border:none;height:1px;background:var(--line);margin:2.2em 0}

.empty-state{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:3rem 1.5rem;text-align:center;box-shadow:var(--sh-soft);
}
.empty-state i{font-size:2rem;color:var(--primary);opacity:.7}
.empty-state h2{font-size:1.3rem;margin:1rem 0 .6rem}
.empty-state p{color:var(--ink-weak);font-size:.95rem;margin-bottom:1.4rem}

.article-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:.6rem;
  margin-top:2.6rem;padding-top:1.6rem;border-top:1px solid var(--line);
}
.article-tags .tag-label{font-size:.85rem;color:var(--ink-weak);margin-right:.2rem}
.tag{
  display:inline-flex;align-items:center;gap:.35rem;
  font-size:.8rem;color:var(--primary-deep);background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-pill);padding:.32rem .8rem;
  transition:all .2s;
}
.tag:hover{border-color:var(--primary);background:var(--primary-soft)}
.share-row{display:flex;flex-wrap:wrap;gap:.6rem;margin-left:auto}
.share-row button{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);
  background:var(--surface);color:var(--ink-weak);transition:all .2s;
}
.share-row button:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}

/* ============ 侧栏 ============ */
.article-side{display:none}
@media (min-width:1024px){
  .article-side{
    display:block;position:sticky;top:110px;align-self:start;
  }
}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:1.3rem 1.35rem;box-shadow:var(--sh-soft);margin-bottom:1.2rem;
}
.side-card h3{
  font-size:.95rem;color:var(--ink);display:flex;align-items:center;gap:.5rem;
  padding-bottom:.7rem;margin-bottom:.7rem;border-bottom:1px solid var(--line);
}
.side-card h3 i{color:var(--accent)}
.side-card ul{list-style:none}
.side-card li{padding:.5rem 0;border-bottom:1px dashed #EDE8DD;font-size:.9rem}
.side-card li:last-child{border-bottom:none}
.side-card li a{color:#3A4644;display:flex;gap:.5rem;align-items:flex-start;transition:color .2s}
.side-card li a:hover{color:var(--primary)}
.side-card li i{font-size:.7rem;margin-top:.55rem;color:var(--primary)}
.side-note{font-size:.86rem;color:var(--ink-weak);line-height:1.8}

/* ============ 相关推荐 ============ */
.related{
  padding:3.5rem 0 4rem;background:#FBFAF6;border-top:1px solid var(--line);
}
.section-head{margin-bottom:2rem;max-width:720px}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2rem);color:var(--ink)}
.section-head p{margin-top:.7rem;color:var(--ink-weak);font-size:.98rem}
.related-grid{display:grid;grid-template-columns:1fr;gap:1.5rem}
@media (min-width:768px){.related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-soft);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  display:flex;flex-direction:column;height:100%;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(47,111,103,.35)}
.card:hover h3{color:var(--primary)}
.card-media{position:relative;overflow:hidden}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:1.2rem 1.3rem 1.4rem;display:flex;flex-direction:column;gap:.6rem;flex:1}
.card-body h3{font-size:1.06rem;line-height:1.5;transition:color .22s}
.card-body p{font-size:.9rem;color:var(--ink-weak);line-height:1.75}
.card-meta{
  margin-top:auto;display:flex;align-items:center;gap:.75rem;font-size:.78rem;color:var(--ink-weak);
  padding-top:.7rem;border-top:1px dashed #EDE8DD;
}
.card-meta i{color:var(--primary);margin-right:.3rem}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--primary-deep);color:#F4F1E9;
  border-radius:var(--r-lg);padding:3rem 1.6rem;text-align:center;margin:0 0 4rem;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.14;mix-blend-mode:luminosity;
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:clamp(1.5rem,2.8vw,2.1rem);color:#fff}
.cta-band p{margin:1rem auto 1.8rem;max-width:640px;color:#DCE6E3;font-size:.98rem}
.cta-actions{display:flex;flex-wrap:wrap;gap:.9rem;justify-content:center}
.cta-actions .btn-primary{background:var(--accent);color:#fff}
.cta-actions .btn-primary:hover{background:#B25C33}
.cta-actions .btn-ghost{color:#F4F1E9;border-color:rgba(244,241,233,.4)}
.cta-actions .btn-ghost:hover{background:rgba(244,241,233,.12);border-color:#F4F1E9}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#E7E4DA;padding:3.5rem 0 1.5rem;font-size:.92rem}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:2.2rem;padding-bottom:2.4rem;
  border-bottom:1px solid rgba(231,228,218,.15);
}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:2.5rem}}
.footer-brand .logo-f{
  font-family:var(--font-serif);font-size:1.2rem;font-weight:700;color:#fff;display:block;margin-bottom:.9rem;
}
.footer-brand p{color:#A9B1AC;line-height:1.85;font-size:.88rem;max-width:34ch}
.footer-col h4{font-size:.95rem;color:#fff;margin-bottom:1rem}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:.6rem}
.footer-col a{color:#A9B1AC;transition:color .2s}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:.6rem 1.5rem;justify-content:space-between;
  padding-top:1.4rem;color:#8C948F;font-size:.82rem;
}

/* ============ 返回顶部 ============ */
.back-top{
  position:fixed;right:1.1rem;bottom:1.4rem;width:46px;height:46px;border-radius:50%;
  background:var(--primary);color:#fff;border:none;box-shadow:var(--sh-hover);
  display:flex;align-items:center;justify-content:center;font-size:1rem;
  opacity:0;visibility:hidden;transform:translateY(10px);transition:all .28s ease;z-index:70;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--primary-deep)}

@media (max-width:767px){
  .article-layout{padding-top:2rem;padding-bottom:2.6rem;gap:2rem}
  .article-body{font-size:1rem;line-height:1.88}
  .article-cover{margin-bottom:1.6rem;border-radius:var(--r-md)}
  .cta-band{padding:2.4rem 1.2rem;border-radius:var(--r-md);margin-bottom:2.6rem}
  .related{padding:2.6rem 0}
}

/* roulang page: category1 */
:root{
  --brand:#2F6F67;
  --brand-dark:#24564F;
  --brand-soft:#E4EFEC;
  --accent:#C66A3D;
  --accent-soft:#F2E3DA;
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --ink:#1E2A2A;
  --muted:#66706D;
  --line:#DED8CC;
  --danger:#B4472F;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-soft:0 12px 30px rgba(30,42,42,.08);
  --sh-hover:0 18px 40px rgba(30,42,42,.12);
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-serif:"Noto Serif SC","Songti SC",serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:1rem;
  line-height:1.85;
  color:var(--ink);
  background-color:var(--bg);
  background-image:radial-gradient(circle at 12% 0%, rgba(47,111,103,.06), transparent 46%),
                   radial-gradient(circle at 92% 8%, rgba(198,106,61,.07), transparent 40%);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease, background-color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1280px;margin:0 auto;padding-left:16px;padding-right:16px;}
@media (min-width:640px){.container{padding-left:24px;padding-right:24px;}}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,238,.95);
  backdrop-filter:saturate(180%) blur(10px);
  -webkit-backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:none;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:28px;
  height:80px;
}
.nav-left{display:flex;align-items:center;gap:26px;}
.nav-right{display:flex;align-items:center;gap:26px;justify-content:flex-end;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  font-size:.9375rem;color:var(--ink);
  padding:8px 0;min-height:44px;
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:var(--brand);border-radius:var(--r-pill);
}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand);color:#fff;
  padding:10px 22px;border-radius:var(--r-pill);
  font-size:.9375rem;font-weight:600;min-height:44px;
  box-shadow:0 6px 18px rgba(47,111,103,.22);
}
.nav-cta:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--sh-hover);}
.logo{
  font-family:var(--font-serif);
  font-size:1.3rem;font-weight:700;letter-spacing:.02em;
  color:var(--ink);white-space:nowrap;line-height:1;
}
.logo span{color:var(--brand);}
.logo:hover{color:var(--brand-dark);}

.mobile-bar{
  display:flex;align-items:center;justify-content:space-between;
  height:64px;gap:12px;
}
.menu-toggle{
  width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--surface);
  color:var(--ink);display:inline-flex;align-items:center;justify-content:center;
  font-size:1.05rem;
}
.menu-toggle:hover{color:var(--brand);border-color:var(--brand);}
.mobile-cta{
  width:44px;height:44px;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:1rem;
}
.mobile-cta:hover{background:var(--brand-dark);}
.drawer{
  display:block;max-height:0;overflow:hidden;
  transition:max-height .32s ease;
  border-top:1px solid transparent;background:rgba(247,244,238,.98);
}
.drawer.open{max-height:340px;border-top-color:var(--line);}
.drawer .container{display:flex;flex-direction:column;padding-top:6px;padding-bottom:16px;}
.drawer a{
  padding:14px 4px;font-size:1rem;min-height:48px;
  display:flex;align-items:center;
  border-bottom:1px solid var(--line);
}
.drawer a:last-child{border-bottom:0;}
.drawer a:hover,.drawer a.is-active{color:var(--brand);font-weight:600;}

@media (min-width:1024px){
  .nav-wrap{display:grid;}
  .mobile-bar{display:none;}
  .drawer{display:none;}
}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;min-height:48px;
  border-radius:var(--r-pill);
  font-size:1rem;font-weight:600;
  border:1px solid transparent;
  transition:all .22s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(47,111,103,.20);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--sh-hover);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--brand-dark);}
.btn-light:hover{background:var(--accent-soft);transform:translateY(-1px);box-shadow:var(--sh-hover);}
.btn-line-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-line-light:hover{border-color:#fff;background:rgba(255,255,255,.12);}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-soft);color:var(--brand-dark);
  border-radius:var(--r-pill);
  padding:5px 14px;font-size:.8125rem;font-weight:600;line-height:1.6;
}
.badge-accent{background:var(--accent-soft);color:#8C431F;}

.eyebrow{
  display:inline-block;
  font-size:.8125rem;font-weight:700;letter-spacing:.14em;
  color:var(--accent);text-transform:uppercase;margin-bottom:14px;
}

.section{padding:64px 0;}
@media (min-width:768px){.section{padding:84px 0;}}
@media (min-width:1024px){.section{padding:96px 0;}}
.section-alt{background:#F1ECE3;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-title{
  font-family:var(--font-serif);
  font-size:clamp(1.6rem,3vw,2.5rem);
  line-height:1.3;
}
.section-sub{margin-top:16px;color:var(--muted);font-size:1.0625rem;line-height:1.85;}

.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh-soft);
  transition:all .24s ease;
}
.card:hover{border-color:rgba(47,111,103,.4);transform:translateY(-2px);box-shadow:var(--sh-hover);}
.card h3{font-size:1.1875rem;margin-bottom:10px;}
.card p{color:var(--muted);font-size:.9688rem;line-height:1.85;}

.icon-badge{
  width:48px;height:48px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:1.1rem;margin-bottom:18px;
}
.icon-badge.accent{background:var(--accent-soft);color:#A0522A;}

/* ============ 分类页 Hero ============ */
.crumbs{
  display:flex;align-items:center;gap:10px;
  font-size:.875rem;color:var(--muted);
  padding:26px 0 30px;flex-wrap:wrap;
}
.crumbs a:hover{color:var(--brand);text-decoration:underline;}
.crumbs .sep{color:var(--line);}
.crumbs .current{color:var(--ink);font-weight:600;}

.cat-hero{
  position:relative;
  background:linear-gradient(180deg,#FBF9F4 0%, var(--bg) 100%);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:right center;
  opacity:.06;
}
.cat-hero .container{position:relative;z-index:1;}
.cat-hero-grid{
  display:grid;grid-template-columns:1fr;gap:32px;
  padding-bottom:44px;align-items:center;
}
@media (min-width:1024px){
  .cat-hero-grid{grid-template-columns:1.05fr .95fr;gap:56px;padding-bottom:56px;}
}
.cat-h1{
  font-family:var(--font-serif);
  font-size:clamp(2rem,4.4vw,3.1rem);
  line-height:1.25;margin:20px 0 18px;
}
.cat-lead{color:var(--muted);font-size:1.0625rem;line-height:1.9;max-width:620px;margin-bottom:28px;}
.cat-hero-figure{
  margin:0;position:relative;
  border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-soft);border:1px solid var(--line);
  aspect-ratio:16/10;background:var(--brand-soft);
}
.cat-hero-figure img{width:100%;height:100%;object-fit:cover;}
.cat-hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg, rgba(47,111,103,.20), rgba(30,42,42,.06) 60%, rgba(198,106,61,.14));
}

/* ============ 痛点能力矩阵 ============ */
.pain-list{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:768px){
  .pain-list{grid-template-columns:1fr 1fr;gap:26px;}
  .pain-list > :nth-child(even){margin-top:36px;}
}
.pain-item{
  border-left:3px solid var(--accent);
  background:var(--surface);
  border-radius:0 var(--r-md) var(--r-md) 0;
  padding:24px 26px;
  box-shadow:var(--sh-soft);
  transition:all .24s ease;
}
.pain-item:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-left-color:var(--brand);}
.pain-item h3{font-size:1.0625rem;margin-bottom:8px;}
.pain-item .pain-q{color:var(--danger);font-size:.875rem;font-weight:600;margin-bottom:8px;}
.pain-item p{color:var(--muted);font-size:.9688rem;line-height:1.85;}

/* ============ 步骤 ============ */
.steps{position:relative;padding-left:0;}
.steps li{
  position:relative;
  padding:0 0 34px 66px;
}
.steps li:last-child{padding-bottom:0;}
.steps li::before{
  content:attr(data-step);
  position:absolute;left:0;top:0;
  width:44px;height:44px;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:1rem;
  box-shadow:0 8px 18px rgba(47,111,103,.24);
  z-index:1;
}
.steps li::after{
  content:"";position:absolute;left:21px;top:46px;bottom:0;width:2px;
  background:linear-gradient(180deg, rgba(47,111,103,.35), rgba(47,111,103,.06));
}
.steps li:last-child::after{display:none;}
.steps h3{font-size:1.1875rem;margin-bottom:10px;}
.steps p{color:var(--muted);font-size:.9688rem;line-height:1.85;}
.steps .tick{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;
}
.steps .tick span{
  font-size:.8125rem;color:var(--brand-dark);
  background:var(--brand-soft);border-radius:var(--r-pill);
  padding:4px 12px;
}

/* ============ 数据条 ============ */
.stats{
  display:grid;grid-template-columns:1fr;gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
}
@media (min-width:640px){.stats{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.stats{grid-template-columns:repeat(4,1fr);}}
.stats .stat{
  background:var(--surface);
  padding:30px 26px;
  text-align:left;
}
.stat .num{
  font-family:var(--font-serif);
  font-size:clamp(1.9rem,3.4vw,2.6rem);
  font-weight:700;color:var(--brand-dark);line-height:1.1;
}
.stat .num em{font-style:normal;color:var(--accent);font-size:.55em;margin-left:4px;}
.stat .label{margin-top:10px;font-size:.9375rem;font-weight:600;}
.stat .desc{margin-top:6px;color:var(--muted);font-size:.875rem;line-height:1.75;}

/* ============ FAQ ============ */
.faq{max-width:880px;border-top:1px solid var(--line);}
.faq details{border-bottom:1px solid var(--line);}
.faq summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;font-size:1.0625rem;font-weight:600;color:var(--ink);
  min-height:44px;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"+";font-size:1.5rem;line-height:1;color:var(--brand);
  transition:transform .25s ease;flex:0 0 auto;
}
.faq details[open] summary{color:var(--brand-dark);}
.faq details[open] summary::after{content:"–";}
.faq summary:hover{color:var(--brand);}
.faq .answer{
  padding:0 0 24px;color:var(--muted);
  font-size:.9688rem;line-height:1.9;max-width:800px;
}
.faq details[open] .answer{animation:fadeIn .28s ease;}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:translateY(0);}}

/* ============ CTA ============ */
.cta{
  position:relative;
  background:linear-gradient(135deg,#1E2A2A 0%, #24564F 100%);
  color:#EFEAE1;overflow:hidden;
  border-radius:0;
}
.cta::after{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.12;mix-blend-mode:luminosity;pointer-events:none;
}
.cta .container{position:relative;z-index:1;padding-top:64px;padding-bottom:64px;}
@media (min-width:768px){.cta .container{padding-top:84px;padding-bottom:84px;}}
.cta h2{
  font-family:var(--font-serif);
  font-size:clamp(1.6rem,3vw,2.4rem);
  color:#fff;max-width:760px;
}
.cta p{margin-top:16px;color:#C6CFCB;max-width:640px;font-size:1.0625rem;line-height:1.9;}
.cta .btn-row{margin-top:30px;}

/* ============ 页脚 ============ */
.site-footer{
  background:#1E2A2A;color:#EFEAE1;
  padding:64px 0 0;margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:36px;padding-bottom:48px;
}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.7fr 1fr 1fr 1fr;gap:48px;}}
.logo-f{
  display:block;font-family:var(--font-serif);
  font-size:1.1875rem;font-weight:700;color:#fff;margin-bottom:16px;
}
.footer-brand p{color:#A8B0AC;font-size:.9375rem;line-height:1.85;max-width:38ch;}
.footer-col h4{font-size:.9375rem;color:#fff;margin-bottom:18px;font-weight:600;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:#C9CFCB;font-size:.9375rem;line-height:1.8;display:inline-block;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 30px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:.8125rem;color:#8D9691;
}

/* ============ 返回顶部 ============ */
.back-top{
  position:fixed;right:20px;bottom:24px;z-index:70;
  width:46px;height:46px;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-soft);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:all .26s ease;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{background:var(--brand-dark);box-shadow:var(--sh-hover);}

/* ============ 通用小排版 ============ */
.note{
  border-left:3px solid var(--accent);
  background:var(--accent-soft);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  padding:18px 22px;color:#7A4222;font-size:.9375rem;line-height:1.85;
}
.link-inline{color:var(--brand);font-weight:600;border-bottom:1px solid rgba(47,111,103,.35);}
.link-inline:hover{color:var(--brand-dark);border-bottom-color:var(--brand-dark);}
.img-frame{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh-soft);background:var(--brand-soft);
}
.img-frame img{width:100%;height:100%;object-fit:cover;}
::selection{background:rgba(47,111,103,.18);}

/* roulang page: category2 */
:root{
    --c-primary:#2F6F67;
    --c-primary-dark:#24564F;
    --c-primary-soft:#E4EFEC;
    --c-accent:#C66A3D;
    --c-accent-soft:#F2E3DA;
    --c-bg:#F7F4EE;
    --c-surface:#FFFFFF;
    --c-ink:#1E2A2A;
    --c-muted:#66706D;
    --c-line:#DED8CC;
    --c-error:#B4472F;
    --r-sm:10px; --r-md:16px; --r-lg:24px; --r-pill:999px;
    --sh-soft:0 12px 30px rgba(30,42,42,.08);
    --sh-hover:0 18px 40px rgba(30,42,42,.12);
    --font-body:-apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    --font-title:"Noto Serif SC", "Songti SC", 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-body);font-size:1rem;line-height:1.85;
    letter-spacing:.01em;-webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
  button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
  ul{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700}
  p{margin:0}
  ::selection{background:var(--c-primary-soft);color:var(--c-primary-dark)}
  :focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}

  .container{width:100%;max-width:1280px;margin:0 auto;padding:0 1rem}
  @media(min-width:640px){.container{padding:0 1.5rem}}
  @media(min-width:1024px){.container{padding:0 2rem}}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(247,244,238,.94);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--c-line);
  }
  .nav-wrap{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:1rem;min-height:80px}
  .nav-left,.nav-right{display:flex;align-items:center;gap:.25rem}
  .nav-right{justify-content:flex-end}
  .logo{
    font-family:var(--font-title);font-size:1.28rem;font-weight:700;letter-spacing:.03em;
    color:var(--c-ink);white-space:nowrap;padding:.25rem .5rem;
  }
  .logo span{color:var(--c-primary)}
  .nav-link{
    position:relative;padding:.55rem .7rem;font-size:.95rem;color:#3B4744;border-radius:var(--r-sm);
    white-space:nowrap;
  }
  .nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft)}
  .nav-link.is-active{color:var(--c-primary);font-weight:600}
  .nav-link.is-active::after{
    content:"";position:absolute;left:.7rem;right:.7rem;bottom:.18rem;height:2px;
    background:var(--c-primary);border-radius:2px;
  }
  .nav-cta{
    display:inline-flex;align-items:center;gap:.5rem;margin-left:.6rem;
    padding:.6rem 1.15rem;border-radius:var(--r-pill);
    background:var(--c-primary);color:#fff;font-size:.92rem;font-weight:600;
    box-shadow:0 8px 20px rgba(47,111,103,.24);
  }
  .nav-cta:hover{background:var(--c-primary-dark);transform:translateY(-1px);box-shadow:var(--sh-hover)}
  .mobile-bar{display:none;align-items:center;justify-content:space-between;min-height:68px}
  .menu-toggle,.mobile-cta{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:var(--r-sm);
    border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-primary-dark);
  }
  .mobile-cta{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
  .menu-toggle:hover{border-color:var(--c-primary);color:var(--c-primary)}
  .drawer{
    overflow:hidden;max-height:0;transition:max-height .38s ease;
    background:var(--c-surface);border-top:1px solid transparent;
  }
  .drawer.open{max-height:320px;border-top-color:var(--c-line)}
  .drawer a{display:block;padding:.95rem .25rem;border-bottom:1px solid var(--c-line);font-size:1rem;min-height:44px}
  .drawer a:last-child{border-bottom:0}
  .drawer a.is-active{color:var(--c-primary);font-weight:600}
  @media(max-width:1023px){
    .nav-wrap{display:none}
    .mobile-bar{display:flex}
  }
  @media(min-width:1024px){
    .drawer{display:none!important}
  }

  /* ---------- buttons / badges ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
    padding:.85rem 1.6rem;border-radius:var(--r-pill);font-size:.98rem;font-weight:600;
    min-height:44px;transition:all .22s ease;border:1px solid transparent;
  }
  .btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 10px 24px rgba(47,111,103,.22)}
  .btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-1px);box-shadow:var(--sh-hover)}
  .btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(47,111,103,.2)}
  .btn-ghost{background:transparent;color:var(--c-primary-dark);border-color:var(--c-line)}
  .btn-ghost:hover{background:var(--c-primary-soft);border-color:var(--c-primary)}
  .btn-light{background:#fff;color:var(--c-primary-dark)}
  .btn-light:hover{background:var(--c-accent-soft);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)}
  .badge{
    display:inline-flex;align-items:center;gap:.4rem;
    padding:.32rem .78rem;border-radius:var(--r-pill);
    background:var(--c-primary-soft);color:var(--c-primary-dark);
    font-size:.8rem;font-weight:600;letter-spacing:.02em;
  }
  .badge-clay{background:var(--c-accent-soft);color:#9A4C24}

  /* ---------- hero ---------- */
  .cat-hero{
    position:relative;overflow:hidden;
    background:
      linear-gradient(180deg,rgba(247,244,238,.96) 0%,rgba(247,244,238,.86) 100%),
      url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
    border-bottom:1px solid var(--c-line);
  }
  .cat-hero::after{
    content:"";position:absolute;inset:auto 0 0 0;height:1px;
    background:linear-gradient(90deg,transparent,var(--c-primary),transparent);opacity:.28;
  }
  .cat-hero-grid{
    display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;align-items:center;
    padding:3.25rem 0 3.5rem;
  }
  .crumb{display:flex;align-items:center;gap:.55rem;font-size:.85rem;color:var(--c-muted);margin-bottom:1rem;flex-wrap:wrap}
  .crumb a:hover{color:var(--c-primary);text-decoration:underline}
  .crumb i{font-style:normal;color:var(--c-line)}
  .eyebrow{
    display:inline-block;font-size:.82rem;font-weight:700;letter-spacing:.16em;
    color:var(--c-accent);text-transform:uppercase;margin-bottom:.9rem;
  }
  .cat-hero h1{
    font-family:var(--font-title);
    font-size:clamp(2.1rem,4.4vw,3.4rem);letter-spacing:.01em;margin-bottom:1.1rem;
  }
  .lead{font-size:1.06rem;color:#41504D;line-height:1.9;max-width:34rem}
  .hero-actions{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:1.9rem}
  .hero-points{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.9rem}
  .hero-points li{
    display:inline-flex;align-items:center;gap:.5rem;
    padding:.45rem .9rem;border-radius:var(--r-pill);
    background:var(--c-surface);border:1px solid var(--c-line);
    font-size:.88rem;color:#3B4744;
  }
  .hero-points i{color:var(--c-primary);font-size:.85rem}
  .cat-hero-media{position:relative}
  .cat-hero-media img{
    width:100%;aspect-ratio:4/3;object-fit:cover;
    border-radius:var(--r-lg);box-shadow:var(--sh-soft);border:1px solid var(--c-line);
  }
  .cat-hero-media .stamp{
    position:absolute;right:-10px;bottom:-14px;
    display:inline-flex;align-items:center;gap:.5rem;
    padding:.6rem 1rem;border-radius:var(--r-md);
    background:var(--c-surface);border:1px solid var(--c-line);
    box-shadow:var(--sh-soft);font-size:.85rem;font-weight:600;color:var(--c-primary-dark);
  }
  @media(max-width:899px){
    .cat-hero-grid{grid-template-columns:1fr;gap:2rem;padding:2.4rem 0 2.8rem}
    .cat-hero-media .stamp{right:12px;bottom:-12px}
  }

  /* ---------- sections ---------- */
  .section{padding:4rem 0}
  @media(min-width:768px){.section{padding:5rem 0}}
  .section-head{max-width:46rem;margin-bottom:2.5rem}
  .section-head.center{margin-left:auto;margin-right:auto;text-align:center}
  .section-title{font-family:var(--font-title);font-size:clamp(1.6rem,3vw,2.4rem);margin-bottom:.9rem}
  .section-sub{color:var(--c-muted);font-size:1.02rem;line-height:1.9}
  .divider{height:1px;background:var(--c-line);border:0;margin:0}

  /* ---------- filter chips ---------- */
  .filter-bar{
    display:flex;flex-wrap:wrap;gap:.6rem;align-items:center;
    padding:1.15rem 0 0;
  }
  .filter-chip{
    display:inline-flex;align-items:center;gap:.45rem;
    padding:.5rem 1.05rem;border-radius:var(--r-pill);
    background:var(--c-surface);border:1px solid var(--c-line);
    font-size:.88rem;color:#41504D;cursor:default;transition:all .2s ease;
  }
  .filter-chip:hover{border-color:var(--c-primary);color:var(--c-primary-dark)}
  .filter-chip.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600}
  .filter-note{font-size:.86rem;color:var(--c-muted);margin-left:auto}

  /* ---------- asymmetric case grid ---------- */
  .case-grid{
    display:grid;grid-template-columns:1.25fr 1fr;grid-template-rows:auto auto;gap:1.5rem;
  }
  .case-card{
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
    box-shadow:var(--sh-soft);overflow:hidden;transition:all .24s ease;
    display:flex;flex-direction:column;
  }
  .case-card:hover{border-color:rgba(47,111,103,.4);transform:translateY(-2px);box-shadow:var(--sh-hover)}
  .case-card--main{grid-row:span 2}
  .case-card img{width:100%;object-fit:cover}
  .case-card--main img{aspect-ratio:16/10}
  .case-card:not(.case-card--main) img{aspect-ratio:16/7}
  .case-body{padding:1.5rem;display:flex;flex-direction:column;gap:.7rem;flex:1}
  .case-body h3{font-size:1.22rem}
  .case-card--main .case-body h3{font-size:1.5rem}
  .case-body p{color:var(--c-muted);font-size:.96rem;line-height:1.85}
  .case-list{display:grid;gap:.5rem;margin-top:.35rem}
  .case-list li{display:flex;gap:.6rem;font-size:.93rem;color:#41504D}
  .case-list i{color:var(--c-primary);margin-top:.5rem;font-size:.72rem}
  @media(max-width:899px){
    .case-grid{grid-template-columns:1fr;grid-template-rows:none}
    .case-card--main{grid-row:auto}
  }

  /* ---------- stat bar ---------- */
  .stat-bar{
    background:var(--c-primary-dark);color:#fff;border-radius:var(--r-lg);
    padding:2.4rem 1.6rem;display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;
    position:relative;overflow:hidden;
  }
  .stat-bar::before{
    content:"";position:absolute;inset:0;
    background:url("/assets/images/backpic/back-3.webp") center/cover no-repeat;opacity:.14;
  }
  .stat-item{position:relative;text-align:center;padding:.4rem}
  .stat-num{font-family:var(--font-title);font-size:clamp(1.7rem,3.4vw,2.5rem);line-height:1.1;color:#fff}
  .stat-num em{font-style:normal;font-size:.95rem;margin-left:.2rem;color:var(--c-accent-soft)}
  .stat-label{margin-top:.6rem;font-size:.9rem;color:rgba(255,255,255,.82)}
  .stat-item+.stat-item{border-left:1px solid rgba(255,255,255,.18)}
  @media(max-width:767px){
    .stat-bar{grid-template-columns:repeat(2,1fr);gap:1.8rem 1rem}
    .stat-item+.stat-item{border-left:0}
    .stat-item:nth-child(even){border-left:1px solid rgba(255,255,255,.18)}
  }

  /* ---------- steps ---------- */
  .step-list{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem;counter-reset:step}
  .step-item{
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
    padding:1.5rem 1.35rem;position:relative;transition:all .24s ease;
  }
  .step-item:hover{border-color:rgba(47,111,103,.4);transform:translateY(-2px);box-shadow:var(--sh-soft)}
  .step-index{
    display:inline-flex;align-items:center;justify-content:center;
    width:36px;height:36px;border-radius:12px;background:var(--c-primary-soft);
    color:var(--c-primary-dark);font-weight:700;font-size:.95rem;margin-bottom:.9rem;
  }
  .step-item h3{font-size:1.06rem;margin-bottom:.5rem}
  .step-item p{font-size:.92rem;color:var(--c-muted);line-height:1.8}
  @media(max-width:1023px){.step-list{grid-template-columns:repeat(2,1fr)}}
  @media(max-width:560px){.step-list{grid-template-columns:1fr}}

  /* ---------- quotes ---------- */
  .quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;align-items:start}
  .quote-card{
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
    padding:1.8rem;box-shadow:var(--sh-soft);transition:all .24s ease;
  }
  .quote-card:hover{border-color:rgba(47,111,103,.4);box-shadow:var(--sh-hover)}
  .quote-card.offset{margin-top:2.4rem}
  .quote-card blockquote{margin:0;font-size:1.02rem;line-height:1.9;color:#33413E}
  .quote-card blockquote::before{
    content:"“";display:block;font-family:var(--font-title);font-size:2.4rem;line-height:1;
    color:var(--c-accent);margin-bottom:.4rem;
  }
  .quote-meta{display:flex;align-items:center;gap:.85rem;margin-top:1.2rem;padding-top:1.1rem;border-top:1px dashed var(--c-line)}
  .avatar{
    width:44px;height:44px;border-radius:50%;background:var(--c-accent-soft);
    color:#9A4C24;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.95rem;
  }
  .quote-meta strong{display:block;font-size:.94rem}
  .quote-meta span{font-size:.83rem;color:var(--c-muted)}
  @media(max-width:767px){
    .quote-grid{grid-template-columns:1fr}
    .quote-card.offset{margin-top:0}
  }

  /* ---------- faq ---------- */
  .faq-list{max-width:820px;margin:0 auto;border-top:1px solid var(--c-line)}
  .faq-item{border-bottom:1px solid var(--c-line)}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;gap:1rem;
    padding:1.2rem .25rem;font-size:1.05rem;font-weight:600;min-height:44px;
    transition:color .2s ease;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:hover{color:var(--c-primary)}
  .faq-item summary .mark{
    margin-left:auto;flex:0 0 auto;width:26px;height:26px;border-radius:50%;
    border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;
    color:var(--c-primary);font-size:.75rem;transition:transform .3s ease,background-color .3s ease;
  }
  .faq-item[open] summary{color:var(--c-primary-dark)}
  .faq-item[open] summary .mark{transform:rotate(180deg);background:var(--c-primary-soft)}
  .faq-body{padding:0 2.6rem 1.4rem .25rem;color:var(--c-muted);font-size:.97rem;line-height:1.9}

  /* ---------- cta band ---------- */
  .cta-band{
    position:relative;overflow:hidden;background:var(--c-ink);color:#fff;
    border-radius:var(--r-lg);padding:3rem 2rem;text-align:center;
  }
  .cta-band::before{
    content:"";position:absolute;inset:0;
    background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;opacity:.16;
  }
  .cta-band h2{position:relative;font-family:var(--font-title);font-size:clamp(1.6rem,3vw,2.3rem);margin-bottom:.9rem}
  .cta-band p{position:relative;color:rgba(255,255,255,.84);max-width:38rem;margin:0 auto 1.9rem;font-size:1.02rem}
  .cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:.9rem;justify-content:center}

  /* ---------- footer ---------- */
  .site-footer{background:var(--c-ink);color:rgba(247,244,238,.86);margin-top:4rem;padding:3.5rem 0 1.6rem}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:2.2rem}
  .footer-brand .logo-f{
    font-family:var(--font-title);font-size:1.22rem;font-weight:700;color:#fff;display:block;margin-bottom:.9rem;
  }
  .footer-brand p{font-size:.92rem;line-height:1.9;color:rgba(247,244,238,.72);max-width:26rem}
  .footer-col h4{font-size:.95rem;color:#fff;margin-bottom:1rem;letter-spacing:.04em}
  .footer-col li{margin-bottom:.6rem}
  .footer-col a{font-size:.92rem;color:rgba(247,244,238,.76)}
  .footer-col a:hover{color:var(--c-accent)}
  .footer-bottom{
    margin-top:2.6rem;padding-top:1.4rem;border-top:1px solid rgba(247,244,238,.16);
    display:flex;flex-wrap:wrap;gap:.8rem;justify-content:space-between;
    font-size:.85rem;color:rgba(247,244,238,.6);
  }
  @media(max-width:899px){
    .footer-grid{grid-template-columns:1fr 1fr}
  }
  @media(max-width:560px){
    .footer-grid{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column}
  }

  @media (prefers-reduced-motion: reduce){
    *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  }