/* roulang page: index */
:root{
  --c-primary:#1F6F63;
  --c-primary-d:#12463F;
  --c-primary-l:#E7F0ED;
  --c-accent:#C06B3A;
  --c-accent-d:#9C4F26;
  --c-bg:#F7F5F0;
  --c-card:#FFFFFF;
  --c-line:#E4DFD6;
  --c-ink:#1B2422;
  --c-ink-2:#56635F;
  --c-ink-3:#8A938F;
  --r-card:16px;
  --r-sm:12px;
  --r-btn:10px;
  --sh-sm:0 1px 2px rgba(18,70,63,.06);
  --sh-md:0 8px 24px rgba(18,70,63,.08);
  --sh-lg:0 18px 44px rgba(18,70,63,.12);
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
}
*,*::before,*::after{box-sizing:border-box;}
[hidden]{display:none !important;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;}
a:hover{color:var(--c-primary-d);}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;color:var(--c-ink);letter-spacing:.2px;}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.28;margin:0 0 20px;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3;margin:0 0 16px;}
h3{font-size:21px;line-height:1.45;margin:0 0 10px;}
h4{font-size:17px;line-height:1.5;margin:0 0 6px;}
ul{margin:0;padding:0;list-style:none;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;}
.row{--bs-gutter-x:24px;}
section[id]{scroll-margin-top:84px;}
::selection{background:var(--c-primary-l);color:var(--c-primary-d);}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  background:var(--c-primary);border:1px solid var(--c-primary);color:#fff;
  font-size:15.5px;font-weight:600;line-height:1;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-main:hover{background:var(--c-primary-d);border-color:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-main:active{transform:translateY(0);box-shadow:var(--sh-sm);}
.btn-main:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(31,111,99,.4);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  background:#fff;border:1px solid var(--c-primary);color:var(--c-primary);
  font-size:15.5px;font-weight:600;line-height:1;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease,color .2s ease;
}
.btn-ghost:hover{background:var(--c-primary-l);color:var(--c-primary-d);transform:translateY(-1px);box-shadow:var(--sh-sm);}
.btn-ghost:active{transform:translateY(0);}
.btn-ghost:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(31,111,99,.4);}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;border-radius:var(--r-btn);border:1px solid var(--c-accent);
  background:var(--c-accent);color:#fff;font-size:15.5px;font-weight:600;line-height:1;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-accent:hover{background:var(--c-accent-d);border-color:var(--c-accent-d);color:#fff;transform:translateY(-1px);box-shadow:0 8px 24px rgba(156,79,38,.22);}
.btn-accent:active{transform:translateY(0);}
.btn-accent:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(192,107,58,.4);}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-primary);font-size:13.5px;font-weight:600;
}
.link-more i{transition:transform .2s ease;}
.link-more:hover{color:var(--c-primary-d);}
.link-more:hover i{transform:translateX(6px);}
.link-more:focus-visible{outline:2px solid rgba(31,111,99,.45);outline-offset:2px;border-radius:4px;}

/* ---------- 徽章 / 标签 ---------- */
.badge-soft{
  display:inline-block;padding:3px 12px;border-radius:999px;
  background:var(--c-primary-l);color:var(--c-primary-d);
  font-size:12.5px;font-weight:600;line-height:1.8;letter-spacing:.2px;
}
.badge-soft.is-accent{background:#F7E9DF;color:var(--c-accent-d);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-md);}
.nav-wrap{display:flex;align-items:center;gap:24px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-size:19px;font-weight:700;line-height:1;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-family:var(--font-serif);font-size:16.5px;color:var(--c-ink);letter-spacing:.5px;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--c-ink-3);letter-spacing:2.5px;}
.brand:hover .brand-text strong{color:var(--c-primary-d);}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{
  position:relative;display:flex;align-items:center;height:64px;padding:0 14px;
  font-size:15px;color:var(--c-ink-2);transition:color .2s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:14px;height:2px;
  background:var(--c-primary);transform:scaleX(0);transition:transform .25s ease;
}
.main-nav a:hover{color:var(--c-ink);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--c-primary-d);font-weight:700;}
.main-nav a.active::after{transform:scaleX(1);}
.main-nav a:focus-visible{outline:2px solid rgba(31,111,99,.45);outline-offset:-4px;border-radius:6px;}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 14px;
  border:1px solid var(--c-line);border-radius:999px;background:var(--c-bg);
  color:var(--c-ink-3);font-size:14px;margin:0;transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(31,111,99,.1);}
.nav-search input{border:0;background:transparent;outline:none;width:124px;font-size:14px;color:var(--c-ink);}
.nav-search input::placeholder{color:var(--c-ink-3);}
.btn-nav-cta{
  display:inline-flex;align-items:center;height:40px;padding:0 20px;border-radius:var(--r-btn);
  background:var(--c-primary);color:#fff;font-size:14.5px;font-weight:600;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-nav-cta:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-nav-cta:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(31,111,99,.4);}
.nav-toggle{
  width:42px;height:42px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  background:#fff;color:var(--c-ink);font-size:17px;
  display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-l);}
.nav-toggle:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(31,111,99,.35);}
.mobile-nav{background:#fff;border-top:1px solid var(--c-line);padding:8px 0 22px;}
.mobile-nav .m-link{
  display:block;padding:14px 20px;font-size:16px;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);transition:color .2s ease,background .2s ease;
}
.mobile-nav .m-link:hover{background:var(--c-primary-l);color:var(--c-primary-d);}
.mobile-nav .m-link.active{color:var(--c-primary-d);font-weight:700;}
.m-search{
  display:flex;align-items:center;gap:10px;margin:16px 20px 8px;padding:0 16px;
  height:46px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:var(--c-bg);color:var(--c-ink-3);
}
.m-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(31,111,99,.1);}
.m-search input{border:0;background:transparent;outline:none;width:100%;font-size:15px;color:var(--c-ink);}
.m-cta{margin:14px 20px 0;width:calc(100% - 40px);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:76px 0 96px;background:var(--c-bg);}
.hero::before{
  content:"";position:absolute;right:-140px;top:-120px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle at 32% 32%,rgba(31,111,99,.10),rgba(31,111,99,0) 66%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:-90px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(192,107,58,.07),rgba(192,107,58,0) 68%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:1;}
.hero-tag{
  display:inline-block;padding:5px 16px;border-radius:999px;
  background:#fff;border:1px solid var(--c-line);color:var(--c-primary-d);
  font-size:12.5px;font-weight:600;letter-spacing:1px;margin-bottom:22px;
}
.hero-sub{font-size:17px;line-height:1.9;color:var(--c-ink-2);max-width:560px;margin-bottom:30px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 26px;}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-2);}
.hero-trust i{color:var(--c-primary);font-size:15px;}
.hero-visual{position:relative;padding-bottom:26px;}
.hero-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:20px;
  background:var(--c-primary-l);box-shadow:var(--sh-lg);
}
.hero-card{
  position:absolute;left:-16px;bottom:0;min-width:238px;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:14px;
  box-shadow:var(--sh-md);padding:16px 20px;
}
.hero-card-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:7px 0;font-size:13.5px;}
.hero-card-row + .hero-card-row{border-top:1px solid var(--c-line);}
.hero-card-row span{color:var(--c-ink-3);}
.hero-card-row strong{color:var(--c-ink);font-weight:600;}
.hero-card-row strong.ok{color:var(--c-primary);}

/* ---------- 板块通用 ---------- */
.section{padding:92px 0;position:relative;}
.section-white{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section-head{max-width:720px;margin-bottom:48px;}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:3px;
  color:var(--c-primary);margin-bottom:12px;
}
.section-head h2{margin-bottom:14px;}
.section-head p{font-size:15.5px;color:var(--c-ink-2);margin:0;}

/* ---------- 准备卡 ---------- */
.prep-card{position:relative;overflow:hidden;}
.prep-card::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--c-primary),rgba(31,111,99,.15));
  transform:scaleX(0);transform-origin:left;transition:transform .3s ease;
}
.prep-card:hover::before{transform:scaleX(1);}
.card-soft{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px 26px;height:100%;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card-soft:hover{transform:translateY(-2px);border-color:#BFD9D2;box-shadow:var(--sh-md);}
.prep-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-sm);
  background:var(--c-primary-l);color:var(--c-primary-d);font-size:18px;margin-bottom:18px;
}
.prep-card h3{font-size:19px;margin-bottom:10px;}
.prep-card p{font-size:14.5px;color:var(--c-ink-2);line-height:1.8;margin:0;}

/* ---------- 三步 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;position:relative;}
.step{position:relative;padding-top:6px;}
.step-num{
  font-family:var(--font-serif);font-size:40px;font-weight:700;line-height:1;
  color:var(--c-primary);opacity:.85;margin-bottom:16px;
}
.step-body h3{font-size:20px;margin-bottom:10px;}
.step-body p{font-size:14.5px;color:var(--c-ink-2);margin:0;}
@media(min-width:992px){
  .steps::before{
    content:"";position:absolute;top:26px;left:60px;right:60px;height:1px;background:var(--c-line);
  }
  .step-num{background:var(--c-bg);display:inline-block;padding-right:22px;position:relative;z-index:1;}
}

/* ---------- 最新信息 ---------- */
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-2px);border-color:#BFD9D2;box-shadow:var(--sh-md);}
.news-card .thumb{display:block;aspect-ratio:16/9;background:var(--c-primary-l);overflow:hidden;}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .thumb img{transform:scale(1.04);}
.news-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-card .title{
  font-family:var(--font-serif);font-size:18px;line-height:1.5;font-weight:700;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:54px;
}
.news-card .title a{color:var(--c-ink);}
.news-card .title a:hover{color:var(--c-primary-d);}
.news-card .desc{
  font-size:14px;color:var(--c-ink-2);line-height:1.75;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:49px;
}
.news-card .foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--c-line);
  font-size:12.5px;color:var(--c-ink-3);
}
.empty-state{
  text-align:center;padding:64px 24px;background:var(--c-bg);
  border:1px dashed var(--c-line);border-radius:var(--r-card);
}
.empty-state i{font-size:34px;color:var(--c-ink-3);display:block;margin-bottom:16px;}
.empty-state p{font-size:15px;color:var(--c-ink-2);margin-bottom:20px;}
.btn-sm-ghost{height:42px;padding:0 20px;font-size:14.5px;}

/* ---------- 案例证明 ---------- */
.proof-main{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.proof-main:hover{transform:translateY(-2px);border-color:#BFD9D2;box-shadow:var(--sh-md);}
.proof-main img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--c-primary-l);}
.proof-body{padding:26px 26px 28px;display:flex;flex-direction:column;gap:14px;flex:1;}
.proof-body h3{font-size:20px;margin:0;}
.proof-body p{font-size:14.5px;color:var(--c-ink-2);margin:0;}
.proof-stats{display:flex;gap:34px;margin-top:auto;padding-top:18px;border-top:1px solid var(--c-line);}
.proof-stats b{display:block;font-family:var(--font-serif);font-size:24px;color:var(--c-primary-d);line-height:1.3;}
.proof-stats span{font-size:12.5px;color:var(--c-ink-3);}
.proof-list{display:flex;flex-direction:column;gap:16px;height:100%;}
.proof-item{
  display:flex;gap:16px;align-items:flex-start;flex:1;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 24px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.proof-item:hover{transform:translateY(-2px);border-color:#BFD9D2;box-shadow:var(--sh-md);}
.pi-icon{
  flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:var(--r-sm);
  background:var(--c-primary-l);color:var(--c-primary-d);font-size:16px;
}
.proof-item h4{font-size:17px;margin:2px 0 6px;}
.proof-item p{font-size:14px;color:var(--c-ink-2);margin:0;line-height:1.75;}
.stats-strip{
  margin-top:48px;background:var(--c-primary-l);border-radius:24px;
  padding:38px 40px;display:grid;grid-template-columns:repeat(4,1fr);gap:26px;
}
.stat b{display:block;font-family:var(--font-serif);font-size:32px;line-height:1.25;color:var(--c-accent);}
.stat span{font-size:13.5px;color:var(--c-ink-2);}

/* ---------- FAQ ---------- */
.faq-accordion{
  --bs-accordion-border-color:transparent;
  --bs-accordion-bg:transparent;
  --bs-accordion-btn-bg:transparent;
  --bs-accordion-btn-color:var(--c-ink);
  --bs-accordion-active-bg:transparent;
  --bs-accordion-active-color:var(--c-primary-d);
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-border-radius:0;
  --bs-accordion-inner-border-radius:0;
  --bs-accordion-body-padding-x:18px;
  --bs-accordion-body-padding-y:4px;
}
.faq-accordion .accordion-item{
  border:0;border-bottom:1px solid var(--c-line);background:transparent;border-radius:0;
  transition:box-shadow .25s ease;
}
.faq-accordion .accordion-item:first-child{border-top:1px solid var(--c-line);}
.faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)){box-shadow:inset 3px 0 0 var(--c-primary);}
.faq-accordion .accordion-header{margin:0;font-size:inherit;}
.faq-accordion .accordion-button{
  position:relative;background:transparent;box-shadow:none;
  padding:20px 48px 20px 18px;border-radius:0;
  font-family:var(--font-serif);font-size:18px;font-weight:700;color:var(--c-ink);line-height:1.6;
}
.faq-accordion .accordion-button:hover{color:var(--c-primary-d);}
.faq-accordion .accordion-button:focus-visible{outline:none;box-shadow:inset 0 0 0 2px rgba(31,111,99,.4);border-radius:6px;}
.faq-accordion .accordion-button::after{
  content:"+";background-image:none;width:auto;height:auto;
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--c-primary);line-height:1;
  transition:transform .25s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{content:"−";transform:translateY(-50%) rotate(0deg);}
.faq-accordion .accordion-body{padding:0 48px 22px 18px;font-size:14.5px;color:var(--c-ink-2);line-height:1.85;}
.faq-side p{font-size:15px;color:var(--c-ink-2);}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--c-primary-d);color:#EAF2F0;padding:88px 0;
}
.cta-band h2{color:#fff;margin-bottom:16px;}
.cta-band p{color:rgba(255,255,255,.76);font-size:15.5px;max-width:460px;}
.cta-list{margin-top:26px;display:flex;flex-direction:column;gap:12px;}
.cta-list li{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.76);}
.cta-list i{color:#8FC6B9;}
.cta-form-card{
  background:var(--c-card);border-radius:var(--r-card);padding:32px 30px 30px;
  box-shadow:var(--sh-lg);
}
.form-label{display:block;font-size:14px;font-weight:600;color:var(--c-ink-2);margin-bottom:8px;}
.form-control,.form-select{
  height:46px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  padding:0 14px;font-size:15px;color:var(--c-ink);background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-control::placeholder{color:var(--c-ink-3);}
.form-control:focus,.form-select:focus{
  border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(31,111,99,.12);outline:none;
}
textarea.form-control{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical;}
.form-tip{color:var(--c-accent);font-size:13px;margin:12px 0 0;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-d);color:rgba(255,255,255,.7);padding:72px 0 28px;}
.footer-top{padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.14);}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:20px;}
.f-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.f-brand .brand-mark{background:rgba(255,255,255,.12);color:#fff;}
.f-brand .brand-text strong{color:#fff;}
.f-brand .brand-text em{color:rgba(255,255,255,.55);}
.f-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px;margin:0;}
.site-footer ul li{margin-bottom:12px;font-size:14px;}
.site-footer ul li:last-child{margin-bottom:0;}
.site-footer a{
  display:inline-block;color:rgba(255,255,255,.6);
  transition:color .2s ease,padding-left .2s ease;
}
.site-footer a:hover{color:#fff;padding-left:2px;}
.site-footer a:focus-visible{outline:2px solid rgba(255,255,255,.6);outline-offset:3px;border-radius:4px;}
.f-plain li{color:rgba(255,255,255,.66);line-height:1.8;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;align-items:center;
  padding-top:26px;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media(max-width:1199px){
  .nav-search input{width:96px;}
}
@media(max-width:991px){
  .row{--bs-gutter-x:20px;}
  .hero{padding:56px 0 68px;}
  .hero-sub{font-size:16px;}
  .hero-visual{margin-top:12px;padding-bottom:0;}
  .hero-card{position:static;margin-top:18px;min-width:0;}
  .section{padding:64px 0;}
  .section-head{margin-bottom:36px;}
  .steps{grid-template-columns:1fr;gap:0;}
  .step{display:flex;gap:18px;padding-bottom:30px;}
  .step:last-child{padding-bottom:0;}
  .step:not(:last-child)::before{
    content:"";position:absolute;left:19px;top:46px;bottom:6px;width:1px;background:var(--c-line);
  }
  .step-num{
    font-size:15px;width:40px;height:40px;line-height:40px;border-radius:50%;
    background:var(--c-primary-l);color:var(--c-primary-d);
    text-align:center;flex-shrink:0;opacity:1;margin-bottom:0;padding:0;
  }
  .step-body h3{margin-top:4px;}
  .stats-strip{grid-template-columns:repeat(2,1fr);padding:30px 26px;gap:22px;margin-top:36px;}
  .cta-band{padding:64px 0;}
  .cta-form-card{padding:26px 22px 24px;margin-top:8px;}
  .site-footer{padding:56px 0 24px;}
}
@media(max-width:575px){
  .row{--bs-gutter-x:16px;}
  .hero{padding:44px 0 56px;}
  h1{font-size:clamp(26px,7.6vw,32px);}
  .section{padding:56px 0;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn-main,.hero-cta .btn-ghost{width:100%;}
  .hero-trust{gap:10px 18px;}
  .card-soft{padding:24px 22px;}
  .proof-stats{flex-direction:column;gap:14px;}
  .stats-strip{grid-template-columns:1fr;padding:26px 22px;}
  .faq-accordion .accordion-button{font-size:16.5px;padding:16px 44px 16px 14px;}
  .faq-accordion .accordion-body{padding:0 20px 18px 14px;}
  .cta-form-card{padding:22px 18px 20px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --c-primary:#1F6F63;
  --c-primary-dark:#12463F;
  --c-primary-light:#E7F0ED;
  --c-accent:#C06B3A;
  --c-bg:#F7F5F0;
  --c-card:#FFFFFF;
  --c-border:#E4DFD6;
  --c-ink:#1B2422;
  --c-ink-2:#56635F;
  --c-ink-3:#8A938F;
  --r-card:16px;
  --r-sm:12px;
  --r-btn:10px;
  --sh-sm:0 1px 2px rgba(18,70,63,.06);
  --sh-md:0 8px 24px rgba(18,70,63,.08);
  --sh-lg:0 18px 44px rgba(18,70,63,.12);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --font-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-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:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--c-primary-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;color:var(--c-ink);margin:0;}
p{margin:0 0 1.2em;}
ul{padding-left:1.2em;}

.container{max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--c-border);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:var(--sh-md);}
.header-inner{display:flex;align-items:center;gap:26px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-dark));
  color:#fff;font-family:var(--font-serif);font-size:19px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:15px;color:var(--c-ink);letter-spacing:.02em;}
.brand-text em{font-style:normal;font-size:12px;color:var(--c-ink-3);letter-spacing:.06em;}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{
  position:relative;
  font-size:15px;color:var(--c-ink-2);
  padding:8px 12px;border-radius:8px;
  transition:color .2s ease,background .2s ease;
}
.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 .25s ease;
}
.main-nav a:hover{color:var(--c-ink);background:var(--c-primary-light);}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1);}
.main-nav a.active{color:var(--c-ink);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-btn{
  width:40px;height:40px;border-radius:var(--r-btn);
  border:1px solid var(--c-border);background:#fff;color:var(--c-ink-2);
  display:flex;align-items:center;justify-content:center;
  transition:all .2s ease;cursor:pointer;
}
.search-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-light);}
.nav-toggle{
  width:42px;height:42px;border-radius:var(--r-btn);
  border:1px solid var(--c-border);background:#fff;color:var(--c-ink);
  display:none;align-items:center;justify-content:center;cursor:pointer;margin-left:auto;
  transition:all .2s ease;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}

.btn-primary-c,.btn-ghost-c,.btn-accent-c{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;border:1px solid transparent;
  transition:all .22s ease;white-space:nowrap;
}
.btn-primary-c{background:var(--c-primary);color:#fff;}
.btn-primary-c:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-primary-c:active{transform:translateY(0);box-shadow:none;}
.btn-accent-c{background:var(--c-accent);color:#fff;}
.btn-accent-c:hover{background:#A85A2F;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-ghost-c{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost-c:hover{background:var(--c-primary-light);color:var(--c-primary-dark);}
.btn-sm-c{height:40px;padding:0 18px;font-size:14px;border-radius:9px;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid rgba(31,111,99,.45);outline-offset:2px;
}

/* 移动面板 */
.mobile-panel{
  display:none;
  max-height:0;overflow:hidden;
  background:#fff;border-top:1px solid var(--c-border);
  transition:max-height .3s ease;
}
.mobile-panel.open{max-height:460px;}
.mobile-panel .container{padding-top:14px;padding-bottom:18px;}
.mobile-panel a.mp-link{
  display:block;padding:12px 4px;font-size:15px;color:var(--c-ink-2);border-bottom:1px solid var(--c-border);
}
.mobile-panel a.mp-link.active{color:var(--c-primary);font-weight:600;}
.mobile-panel .mp-cta{margin-top:16px;}

/* 搜索面板 */
.search-panel{
  max-height:0;overflow:hidden;background:#fff;border-top:1px solid transparent;
  transition:max-height .28s ease,border-color .28s ease;
}
.search-panel.open{max-height:110px;border-top-color:var(--c-border);}
.search-panel .container{display:flex;gap:10px;padding-top:14px;padding-bottom:16px;}
.search-panel input{
  flex:1;height:46px;border:1px solid var(--c-border);border-radius:var(--r-btn);
  padding:0 16px;font-size:15px;color:var(--c-ink);background:#fff;transition:all .2s ease;
}
.search-panel input::placeholder{color:var(--c-ink-3);}
.search-panel input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(31,111,99,.12);}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;
  background:#fff;
  border-bottom:1px solid var(--c-border);
  padding:34px 0 40px;
  overflow:hidden;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center right;
  opacity:.06;pointer-events:none;
}
.article-hero .container{position:relative;z-index:1;}
.breadcrumb-line{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--c-ink-3);margin-bottom:18px;
}
.breadcrumb-line a{color:var(--c-ink-2);}
.breadcrumb-line a:hover{color:var(--c-primary);}
.breadcrumb-line .sep{color:#C8C2B7;}
.breadcrumb-line .current{color:var(--c-primary);}
.article-hero h1{
  font-size:clamp(26px,3.6vw,40px);
  line-height:1.3;
  letter-spacing:.01em;
  max-width:900px;
  margin-bottom:20px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:14px;color:var(--c-ink-3);
}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 14px;border-radius:999px;
  background:var(--c-primary-light);color:var(--c-primary-dark);
  font-size:13px;font-weight:600;
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#CFC9BE;}

/* ---------- 正文 ---------- */
.article-section{padding:56px 0 72px;}
.article-wrap{max-width:820px;margin:0 auto;}
.article-content{
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:44px 48px;
  box-shadow:var(--sh-sm);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink-2);
  word-break:break-word;
}
.article-content p{margin:0 0 1.2em;}
.article-content h2{
  position:relative;
  font-size:clamp(21px,2.4vw,26px);
  color:var(--c-ink);
  margin:2em 0 .85em;
  padding-left:16px;
  line-height:1.4;
}
.article-content h2:first-child{margin-top:0;}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;
  border-radius:2px;background:var(--c-primary);
}
.article-content h3{
  font-size:20px;color:var(--c-ink);margin:1.7em 0 .6em;line-height:1.45;
}
.article-content h4{font-size:17px;color:var(--c-ink);margin:1.4em 0 .5em;}
.article-content ul,.article-content ol{padding-left:1.45em;margin:0 0 1.2em;}
.article-content li{margin-bottom:.6em;}
.article-content li::marker{color:var(--c-primary);}
.article-content blockquote{
  margin:1.5em 0;padding:16px 22px;
  background:var(--c-primary-light);
  border-left:3px solid var(--c-primary);
  border-radius:0 12px 12px 0;
  color:var(--c-ink-2);
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{
  max-width:100%;height:auto;border-radius:12px;margin:1.5em auto;
  background:#E7F0ED;
}
.article-content figure{margin:1.5em 0;}
.article-content figcaption{
  text-align:center;font-size:12.5px;color:var(--c-ink-3);margin-top:-.8em;
}
.article-content a{
  color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;
}
.article-content a:hover{color:var(--c-primary-dark);}
.article-content strong{color:var(--c-ink);font-weight:700;}
.article-content hr{border:0;border-top:1px solid var(--c-border);margin:2em 0;}
.article-content table{
  width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;
  border-radius:12px;overflow:hidden;
}
.article-content th,.article-content td{
  border:1px solid var(--c-border);padding:11px 14px;text-align:left;
}
.article-content th{background:var(--c-primary-light);color:var(--c-ink);font-weight:600;}

/* 空状态 */
.empty-state{
  text-align:center;padding:40px 10px 30px;
}
.empty-state .es-icon{
  width:72px;height:72px;border-radius:20px;margin:0 auto 20px;
  background:var(--c-primary-light);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:30px;
}
.empty-state h2{font-size:22px;margin-bottom:12px;padding-left:0;}
.empty-state h2::before{display:none;}
.empty-state p{max-width:440px;margin:0 auto 24px;color:var(--c-ink-2);}

/* 阅读提示 */
.read-tips{
  margin-top:28px;
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:26px 30px;box-shadow:var(--sh-sm);
}
.read-tips h3{
  font-size:17px;margin-bottom:14px;display:flex;align-items:center;gap:10px;
}
.read-tips h3 i{color:var(--c-primary);font-size:15px;}
.read-tips ul{list-style:none;padding:0;margin:0;}
.read-tips li{
  position:relative;padding-left:20px;margin-bottom:10px;font-size:14.5px;color:var(--c-ink-2);
}
.read-tips li:last-child{margin-bottom:0;}
.read-tips li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--c-primary);opacity:.75;
}

/* ---------- 相关推荐 ---------- */
.related-section{padding:0 0 72px;}
.sec-head{margin-bottom:30px;}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.sec-head p{color:var(--c-ink-2);font-size:15px;margin:0;}
.card-c{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card-c:hover{transform:translateY(-2px);border-color:#BBD6CF;box-shadow:var(--sh-md);}
.card-c .thumb{position:relative;aspect-ratio:16/9;background:#E7F0ED;overflow:hidden;}
.card-c .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card-c:hover .thumb img{transform:scale(1.04);}
.card-c .body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.card-c .body h3{font-size:17px;line-height:1.5;margin:10px 0 10px;}
.card-c .body p{
  font-size:14px;line-height:1.75;color:var(--c-ink-2);margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-c .foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-ink-3);
  padding-top:14px;border-top:1px solid var(--c-border);
}
.card-c .foot .go{color:var(--c-primary);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.card-c .foot .go i{transition:transform .2s ease;font-size:12px;}
.card-c:hover .foot .go i{transform:translateX(4px);}

/* 上下篇 */
.nav-post{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:34px;
}
.nav-post a{
  display:block;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-sm);
  padding:18px 22px;transition:all .22s ease;
}
.nav-post a:hover{border-color:#BBD6CF;box-shadow:var(--sh-sm);transform:translateY(-1px);}
.nav-post .np-label{font-size:12.5px;color:var(--c-ink-3);display:block;margin-bottom:6px;}
.nav-post .np-title{font-size:15px;color:var(--c-ink);font-weight:600;}
.nav-post .np-next{text-align:right;}

/* ---------- CTA ---------- */
.cta-block{
  background:var(--c-primary-dark);
  color:#fff;
  padding:64px 0;
}
.cta-block .cta-inner{
  display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;
}
.cta-block h2{color:#fff;font-size:clamp(23px,2.8vw,32px);margin-bottom:14px;line-height:1.35;}
.cta-block p{color:rgba(255,255,255,.78);font-size:15px;margin:0;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end;}
.btn-on-dark{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  background:var(--c-accent);color:#fff;font-weight:600;font-size:15px;border:1px solid transparent;
  transition:all .22s ease;
}
.btn-on-dark:hover{background:#A85A2F;color:#fff;transform:translateY(-1px);box-shadow:0 10px 26px rgba(0,0,0,.18);}
.btn-on-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  background:transparent;color:#fff;font-weight:600;font-size:15px;border:1px solid rgba(255,255,255,.45);
  transition:all .22s ease;
}
.btn-on-outline:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.8);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-dark);color:rgba(255,255,255,.72);padding:62px 0 26px;margin-top:0;}
.footer-top{padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.12);}
.f-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.f-brand .brand-mark{background:rgba(255,255,255,.12);color:#fff;}
.f-brand .brand-text strong{color:#fff;font-size:15px;display:block;}
.f-brand .brand-text em{font-style:normal;font-size:12px;color:rgba(255,255,255,.6);letter-spacing:.06em;}
.f-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.65);margin:0;max-width:340px;}
.site-footer h4{
  color:#fff;font-size:15px;margin-bottom:16px;font-family:var(--font-sans);font-weight:600;
}
.site-footer ul{list-style:none;padding:0;margin:0;}
.site-footer ul li{margin-bottom:10px;font-size:14px;}
.site-footer ul a{color:rgba(255,255,255,.65);transition:all .2s ease;display:inline-block;}
.site-footer ul a:hover{color:#fff;transform:translateX(2px);}
.site-footer ul.f-plain li{color:rgba(255,255,255,.62);line-height:1.7;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding-top:22px;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-content{padding:38px 34px;}
}
@media (max-width:991.98px){
  .header-inner{height:56px;gap:14px;}
  .nav-toggle{display:flex;}
  .header-actions{display:none !important;}
  .mobile-panel{display:block;}
  .article-hero{padding:26px 0 30px;}
  .article-section{padding:40px 0 56px;}
  .article-content{padding:30px 24px;border-radius:14px;}
  .cta-block{padding:52px 0;}
  .cta-block .cta-inner{grid-template-columns:1fr;gap:24px;}
  .cta-actions{justify-content:flex-start;}
  .related-section{padding-bottom:56px;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .brand-mark{width:34px;height:34px;font-size:17px;border-radius:10px;}
  .brand-text strong{font-size:14px;}
  .article-hero h1{font-size:24px;line-height:1.35;}
  .meta-row{gap:10px;font-size:13px;}
  .nav-post{grid-template-columns:1fr;}
  .nav-post .np-next{text-align:left;}
  .read-tips{padding:22px 20px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .article-hero{padding:22px 0 26px;}
  .article-content{padding:24px 18px;}
  .article-content h2{font-size:20px;padding-left:13px;}
  .article-content h3{font-size:18px;}
  .btn-primary-c,.btn-ghost-c,.btn-accent-c,.btn-on-dark,.btn-on-outline{width:100%;padding:0 18px;}
  .cta-actions{flex-direction:column;}
  .card-c .body{padding:18px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#1F6F63;
  --c-primary-d:#12463F;
  --c-primary-l:#E7F0ED;
  --c-accent:#C06B3A;
  --c-bg:#F7F5F0;
  --c-card:#FFFFFF;
  --c-line:#E4DFD6;
  --c-ink:#1B2422;
  --c-ink-2:#56635F;
  --c-ink-3:#8A938F;
  --r-card:16px;
  --r-sm:12px;
  --r-btn:10px;
  --sh-sm:0 1px 2px rgba(18,70,63,.06);
  --sh-md:0 8px 24px rgba(18,70,63,.08);
  --sh-lg:0 18px 44px rgba(18,70,63,.12);
  --ff-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;
  --ff-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--ff-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;}
a:hover{color:var(--c-primary-d);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid rgba(31,111,99,.4);
  outline-offset:2px;
}
h1,h2,h3,h4{font-family:var(--ff-serif);font-weight:600;color:var(--c-ink);margin:0;letter-spacing:.01em;}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.28;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3;}
h3{font-size:21px;line-height:1.45;}
h4{font-size:17px;line-height:1.5;}
p{margin:0 0 1.2em;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
.row{--bs-gutter-x:24px;--bs-gutter-y:24px;}
.sec{padding:var(--sec-y) 0;}
.sec-alt{background:var(--c-card);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head p{color:var(--c-ink-2);margin-top:14px;margin-bottom:0;}
.eyebrow{
  display:inline-block;
  font-size:13px;
  letter-spacing:.12em;
  color:var(--c-primary);
  background:var(--c-primary-l);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:16px;
}
/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-md);}
.header-inner{
  height:64px;
  display:flex;
  align-items:center;
  gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;
  border-radius:10px;
  background:var(--c-primary);
  color:#fff;
  font-family:var(--ff-serif);
  font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-sm);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-family:var(--ff-serif);font-size:16px;color:var(--c-ink);font-weight:600;}
.brand-text em{font-style:normal;font-size:12.5px;color:var(--c-ink-3);letter-spacing:.06em;}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:8px;}
.main-nav a{
  position:relative;
  font-size:15px;
  color:var(--c-ink-2);
  padding:20px 0;
  white-space:nowrap;
}
.main-nav a::after{
  content:"";
  position:absolute;left:0;right:0;bottom:14px;height:2px;
  background:var(--c-primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s ease;
}
.main-nav a:hover{color:var(--c-primary-d);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--c-ink);font-weight:600;}
.main-nav a.active::after{transform:scaleX(1);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;
  background:var(--c-bg);
  border:1px solid var(--c-line);
  border-radius:999px;
  transition:border-color .2s ease,background-color .2s ease;
}
.nav-search:focus-within{border-color:var(--c-primary);background:#fff;}
.nav-search i{font-size:13px;color:var(--c-ink-3);}
.nav-search input{
  border:0;background:transparent;outline:none;
  font-size:14px;color:var(--c-ink);width:132px;
  font-family:var(--ff-sans);
}
.nav-search input::placeholder{color:var(--c-ink-3);}
.btn-sm-cta{padding:10px 20px;font-size:14px;height:40px;display:inline-flex;align-items:center;}
.nav-toggle{
  margin-left:auto;
  width:44px;height:44px;
  border:1px solid var(--c-line);
  border-radius:10px;
  background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .22s ease,opacity .22s 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-panel{
  overflow:hidden;
  max-height:0;
  transition:max-height .3s ease;
  border-top:1px solid transparent;
  background:#fff;
}
.mobile-panel.open{max-height:420px;border-top-color:var(--c-line);}
.mobile-panel nav{display:flex;flex-direction:column;padding:8px 20px 0;}
.mobile-panel nav a{
  padding:14px 0;
  font-size:15px;
  color:var(--c-ink-2);
  border-bottom:1px solid var(--c-line);
}
.mobile-panel nav a.active{color:var(--c-primary);font-weight:600;}
.mobile-panel .panel-cta{margin:18px 20px 22px;}
/* ---------- buttons ---------- */
.btn-main,.btn-ghost,.btn-accent{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  font-size:15px;
  font-family:var(--ff-sans);
  border-radius:var(--r-btn);
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-main{background:var(--c-primary);color:#fff;box-shadow:var(--sh-sm);}
.btn-main:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-main:active{transform:translateY(0);box-shadow:var(--sh-sm);}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:var(--sh-sm);}
.btn-accent:hover{background:#a85a2e;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-l);color:var(--c-primary-d);transform:translateY(-1px);box-shadow:var(--sh-sm);}
.btn-line{background:transparent;color:var(--c-primary);padding:0;height:auto;border:0;}
.btn-line i{transition:transform .2s ease;}
.btn-line:hover i{transform:translateX(6px);}
.btn-block{width:100%;}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
/* ---------- banner ---------- */
.page-banner{
  position:relative;
  overflow:hidden;
  padding:56px 0 72px;
  background:
    radial-gradient(760px 340px at 88% -10%, rgba(31,111,99,.10), transparent 70%),
    radial-gradient(520px 260px at 4% 106%, rgba(192,107,58,.07), transparent 70%),
    var(--c-bg);
  border-bottom:1px solid var(--c-line);
}
.breadcrumb-line{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:var(--c-ink-3);
  margin-bottom:26px;
}
.breadcrumb-line a{color:var(--c-ink-2);}
.breadcrumb-line a:hover{color:var(--c-primary);}
.breadcrumb-line .current{color:var(--c-primary);}
.page-banner h1{margin-bottom:18px;}
.lead-text{
  font-size:16.5px;
  color:var(--c-ink-2);
  max-width:640px;
  margin-bottom:26px;
}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;}
.banner-figure{
  position:relative;
  margin:0;
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--sh-lg);
  background:var(--c-primary-l);
}
.banner-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.banner-figure figcaption{
  position:absolute;left:16px;right:16px;bottom:16px;
  background:rgba(255,255,255,.94);
  border-radius:var(--r-sm);
  padding:12px 16px;
  font-size:13.5px;
  color:var(--c-ink-2);
  line-height:1.6;
  box-shadow:var(--sh-sm);
}
.banner-figure figcaption strong{color:var(--c-ink);font-family:var(--ff-serif);font-weight:600;}
/* ---------- split blocks ---------- */
.split-block{padding:34px 0;}
.split-block + .split-block{border-top:1px solid var(--c-line);}
.split-media{margin:0;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-md);background:var(--c-primary-l);}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease;}
.split-media:hover img{transform:scale(1.02);}
.split-index{
  font-family:var(--ff-serif);
  font-size:15px;
  color:var(--c-primary);
  letter-spacing:.16em;
  display:block;
  margin-bottom:10px;
}
.split-body p{color:var(--c-ink-2);margin-top:14px;margin-bottom:18px;}
.check-list li{
  position:relative;
  padding-left:22px;
  margin-bottom:12px;
  font-size:15.5px;
  color:var(--c-ink-2);
  line-height:1.75;
}
.check-list li::before{
  content:"";
  position:absolute;left:0;top:11px;
  width:8px;height:8px;border-radius:50%;
  background:var(--c-primary);
}
.check-list li:last-child{margin-bottom:0;}
.check-list strong{color:var(--c-ink);font-weight:600;}
/* ---------- stat strip ---------- */
.stat-strip{
  background:var(--c-primary-l);
  border-radius:var(--r-card);
  padding:8px 0;
  margin-top:34px;
}
.stat-item{
  padding:24px 26px;
  text-align:left;
}
.stat-item + .stat-item{border-left:1px solid rgba(31,111,99,.16);}
.stat-num{
  font-family:var(--ff-serif);
  font-size:34px;
  color:var(--c-primary-d);
  line-height:1.1;
  display:block;
  margin-bottom:6px;
}
.stat-item h4{font-size:16px;margin-bottom:6px;}
.stat-item p{font-size:14px;color:var(--c-ink-2);margin:0;line-height:1.7;}
/* ---------- compare ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:30px 30px 26px;
  box-shadow:var(--sh-sm);
  transition:box-shadow .25s ease,border-color .25s ease,transform .25s ease;
}
.compare-card:hover{box-shadow:var(--sh-md);border-color:#cfe0db;transform:translateY(-2px);}
.compare-card h3{font-size:19px;margin-bottom:6px;}
.compare-card .cmp-sub{font-size:13.5px;color:var(--c-ink-3);margin-bottom:18px;display:block;}
.compare-card ul li{
  position:relative;
  padding-left:24px;
  margin-bottom:12px;
  font-size:15px;
  color:var(--c-ink-2);
  line-height:1.7;
}
.compare-card ul li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;left:0;top:2px;
  font-size:12px;
  color:var(--c-primary);
}
.compare-card.is-warm ul li::before{color:var(--c-accent);}
/* ---------- faq ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-wrap .accordion{border:0;}
.faq-wrap .accordion-item{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-sm);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--sh-sm);
}
.faq-wrap .accordion-button{
  font-family:var(--ff-serif);
  font-size:18px;
  color:var(--c-ink);
  background:#fff;
  padding:20px 22px;
  border:0;
  border-left:3px solid transparent;
  box-shadow:none;
  transition:background-color .2s ease,border-color .2s ease;
}
.faq-wrap .accordion-button:hover{background:#faf9f6;}
.faq-wrap .accordion-button:not(.collapsed){
  color:var(--c-primary-d);
  background:#fbfcfb;
  border-left-color:var(--c-primary);
  box-shadow:none;
}
.faq-wrap .accordion-button:focus{box-shadow:none;outline:2px solid rgba(31,111,99,.35);outline-offset:-2px;}
.faq-wrap .accordion-button::after{
  content:"+";
  background-image:none;
  font-family:var(--ff-sans);
  font-size:22px;
  font-weight:400;
  color:var(--c-primary);
  width:24px;height:24px;
  display:flex;align-items:center;justify-content:center;
  transform:none;
  margin-left:16px;
}
.faq-wrap .accordion-button:not(.collapsed)::after{content:"−";transform:none;}
.faq-wrap .accordion-body{
  padding:4px 22px 22px 25px;
  font-size:15.5px;
  color:var(--c-ink-2);
  line-height:1.85;
}
.faq-wrap .accordion-body p{margin-bottom:10px;}
.faq-wrap .accordion-body p:last-child{margin-bottom:0;}
/* ---------- cta ---------- */
.cta-band{
  background:var(--c-primary-d);
  color:#fff;
  border-radius:20px;
  padding:52px 46px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:34px;
  flex-wrap:wrap;
  box-shadow:var(--sh-lg);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.78);margin:0;max-width:560px;font-size:15.5px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
/* ---------- footer ---------- */
.site-footer{
  background:var(--c-primary-d);
  color:rgba(255,255,255,.72);
  padding:64px 0 26px;
  margin-top:80px;
  font-size:14.5px;
}
.footer-top{padding-bottom:38px;}
.f-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.site-footer .brand-mark{background:rgba(255,255,255,.14);color:#fff;box-shadow:none;}
.site-footer .brand-text strong{color:#fff;}
.site-footer .brand-text em{color:rgba(255,255,255,.6);}
.f-desc{color:rgba(255,255,255,.66);line-height:1.8;margin:0;font-size:14px;}
.site-footer h4{
  color:#fff;
  font-size:15px;
  margin-bottom:16px;
  font-family:var(--ff-serif);
}
.site-footer ul li{margin-bottom:10px;}
.site-footer ul a,
.site-footer ul.f-plain li{color:rgba(255,255,255,.66);font-size:14px;line-height:1.7;}
.site-footer ul a{display:inline-block;transition:color .2s ease,transform .2s ease;}
.site-footer ul a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding-top:20px;
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.52);
}
/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  :root{--sec-y:84px;}
  .main-nav{gap:20px;}
  .nav-search input{width:100px;}
}
@media (max-width:991.98px){
  :root{--sec-y:64px;}
  .header-inner{height:56px;}
  .page-banner{padding:38px 0 54px;}
  .banner-figure{margin-top:8px;}
  .stat-item + .stat-item{border-left:0;border-top:1px solid rgba(31,111,99,.16);}
  .cta-band{padding:40px 30px;}
  .site-footer{padding-top:52px;margin-top:60px;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .row{--bs-gutter-x:16px;--bs-gutter-y:16px;}
  .compare-grid{grid-template-columns:1fr;}
  .split-block{padding:26px 0;}
  .split-media{margin-bottom:20px;}
  .faq-wrap .accordion-button{font-size:16.5px;padding:17px 16px;}
  .faq-wrap .accordion-body{padding:2px 16px 18px 19px;}
  .cta-band{border-radius:16px;padding:32px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-main,.cta-actions .btn-ghost-light{flex:1 1 100%;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:575.98px){
  h1{font-size:26px;}
  .banner-actions .btn-main,.banner-actions .btn-ghost{width:100%;}
  .stat-item{padding:18px 20px;}
  .compare-card{padding:24px 20px;}
  .brand-text strong{font-size:15px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#1F6F63;
  --c-primary-d:#12463F;
  --c-primary-dd:#0D332E;
  --c-primary-l:#E7F0ED;
  --c-accent:#C06B3A;
  --c-bg:#F7F5F0;
  --c-card:#FFFFFF;
  --c-line:#E4DFD6;
  --c-ink:#1B2422;
  --c-ink-2:#56635F;
  --c-ink-3:#8A938F;
  --r-lg:20px;
  --r-card:16px;
  --r-sm:12px;
  --r-btn:10px;
  --sh-sm:0 1px 2px rgba(18,70,63,.06);
  --sh-md:0 8px 24px rgba(18,70,63,.08);
  --sh-lg:0 18px 44px rgba(18,70,63,.12);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.3;margin:0;color:var(--c-ink)}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.28}
h2{font-size:clamp(24px,3vw,34px)}
h3{font-size:21px}
p{margin:0 0 1.2em}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid rgba(31,111,99,.45);outline-offset:3px;border-radius:6px}

.container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-md)}
.header-inner{display:flex;align-items:center;gap:38px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--c-primary);color:#fff;
  display:grid;place-items:center;
  font-family:var(--serif);font-size:18px;line-height:1;
}
.brand-text strong{
  display:block;font-family:var(--serif);font-size:16px;
  line-height:1.15;letter-spacing:.5px;color:var(--c-ink);
}
.brand-text em{
  display:block;font-style:normal;font-size:11.5px;
  letter-spacing:2px;color:var(--c-ink-3);line-height:1.5;
}
.main-nav{display:flex;align-items:center;gap:26px}
.main-nav a{
  position:relative;font-size:15px;color:var(--c-ink-2);
  padding:6px 0;transition:color .2s ease;
}
.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.active{color:var(--c-ink);font-weight:600}
.main-nav a.active::after{right:0}
.header-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;
  border:1px solid var(--c-line);border-radius:999px;
  padding:6px 14px;background:var(--c-bg);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(31,111,99,.12)}
.search-box i{color:var(--c-ink-3);font-size:13px}
.search-box input{border:0;outline:0;background:transparent;width:148px;font-size:14px}
.icon-btn,.nav-toggle{
  width:42px;height:42px;border-radius:10px;
  border:1px solid var(--c-line);background:#fff;
  display:grid;place-items:center;color:var(--c-ink-2);
  cursor:pointer;transition:all .2s ease;
}
.icon-btn:hover,.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary)}
.search-panel{
  display:none;position:absolute;left:0;right:0;top:100%;
  background:#fff;border-bottom:1px solid var(--c-line);
  box-shadow:var(--sh-md);padding:14px 20px;
}
.search-panel.is-open{display:block}
.search-panel form{display:flex;gap:10px;max-width:1200px;margin:0 auto}
.search-panel input{
  flex:1;height:44px;border:1px solid var(--c-line);
  border-radius:var(--r-btn);padding:0 14px;font-size:15px;background:#fff;
}
.search-panel input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(31,111,99,.12)}
.mobile-drawer{
  display:none;position:absolute;left:0;right:0;top:100%;
  background:#fff;border-bottom:1px solid var(--c-line);
  box-shadow:var(--sh-md);padding:6px 20px 18px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{
  display:block;padding:14px 4px;font-size:15.5px;
  color:var(--c-ink-2);border-bottom:1px solid var(--c-line);
  transition:color .2s ease,padding-left .2s ease;
}
.mobile-drawer a:last-child{border-bottom:0}
.mobile-drawer a:hover{color:var(--c-primary);padding-left:8px}
.mobile-drawer a.active{color:var(--c-primary);font-weight:600}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:background-color .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn-main{background:var(--c-primary);color:#fff;box-shadow:var(--sh-sm)}
.btn-main:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-main:active{transform:translateY(0);box-shadow:var(--sh-sm)}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-l);color:var(--c-primary-d);transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--c-primary-d);border-color:#fff}
.btn-light:hover{background:var(--c-primary-l);color:var(--c-primary-d);transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-line{background:transparent;color:#fff;border-color:rgba(247,245,240,.45)}
.btn-line:hover{background:rgba(247,245,240,.12);border-color:rgba(247,245,240,.8);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* ---------- 页头横幅 ---------- */
.page-banner{
  position:relative;background:#fff;
  border-bottom:1px solid var(--c-line);
  padding:52px 0 64px;overflow:hidden;
}
.page-banner::after{
  content:"";position:absolute;right:-140px;top:-180px;
  width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,111,99,.08),transparent 68%);
  pointer-events:none;
}
.banner-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.12fr .88fr;
  gap:52px;align-items:center;
}
.crumb{font-size:14px;color:var(--c-ink-3);margin-bottom:16px}
.crumb a{transition:color .2s ease}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{padding:0 8px;color:var(--c-line)}
.crumb .current{color:var(--c-primary)}
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:999px;
  background:var(--c-primary-l);color:var(--c-primary-d);
  font-size:13px;letter-spacing:.5px;
}
.badge-pill i{font-size:11px}
.banner-title{margin-top:18px}
.banner-desc{
  font-size:16.5px;color:var(--c-ink-2);
  max-width:640px;margin:18px 0 0;
}
.banner-facts{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.fact{
  background:var(--c-bg);border:1px solid var(--c-line);
  border-radius:var(--r-sm);padding:12px 20px;min-width:146px;
}
.fact b{
  display:block;font-family:var(--serif);font-size:22px;
  color:var(--c-primary-d);line-height:1.35;
}
.fact span{font-size:13px;color:var(--c-ink-3)}
.banner-visual{position:relative;margin:0}
.banner-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-lg);background:var(--c-primary-l);
  box-shadow:var(--sh-md);
}
.banner-float{
  position:absolute;left:-18px;bottom:-22px;
  background:#fff;border:1px solid var(--c-line);
  border-radius:14px;box-shadow:var(--sh-lg);
  padding:16px 18px;min-width:212px;
}
.banner-float h3{font-size:15px;margin-bottom:10px}
.banner-float li{
  display:flex;align-items:center;gap:8px;
  font-size:13.5px;color:var(--c-ink-2);margin-bottom:6px;
}
.banner-float li:last-child{margin-bottom:0}
.banner-float i{color:var(--c-primary);font-size:12px}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-head{max-width:740px;margin-bottom:44px}
.section-head .eyebrow{
  font-family:var(--serif);font-size:13px;letter-spacing:3px;
  color:var(--c-primary);display:block;
}
.section-head h2{margin-top:12px}
.section-head p{color:var(--c-ink-2);margin:14px 0 0}

/* ---------- 流程速览 ---------- */
.overview-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:56px;align-items:start}
.overview-intro h2{margin-bottom:16px}
.overview-intro p{color:var(--c-ink-2);font-size:15.5px}
.overview-note{
  display:flex;gap:12px;align-items:flex-start;
  background:#fff;border:1px solid var(--c-line);border-left:3px solid var(--c-primary);
  border-radius:var(--r-sm);padding:16px 18px;font-size:14.5px;color:var(--c-ink-2);
}
.overview-note i{color:var(--c-primary);margin-top:5px}
.overview-list{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.ov-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.ov-item:hover{transform:translateY(-2px);border-color:#C7DCD6;box-shadow:var(--sh-md)}
.ov-item i{font-size:18px;color:var(--c-primary)}
.ov-item h3{font-size:17px;margin:12px 0 8px}
.ov-item p{font-size:14.5px;color:var(--c-ink-2);margin:0;line-height:1.75}

/* ---------- 时间线步骤 ---------- */
.timeline{position:relative}
.timeline::before{
  content:"";position:absolute;left:31px;top:24px;bottom:64px;
  width:1px;background:var(--c-line);
}
.tl-item{
  position:relative;display:grid;
  grid-template-columns:64px minmax(0,1fr) 264px;
  gap:32px;padding-bottom:34px;
}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  width:64px;height:64px;border-radius:50%;
  background:#fff;border:1px solid var(--c-line);
  display:grid;place-items:center;position:relative;z-index:1;
  font-family:var(--serif);font-size:20px;color:var(--c-primary-d);
  box-shadow:var(--sh-sm);transition:border-color .22s ease,box-shadow .22s ease;
}
.tl-item:hover .tl-num{border-color:var(--c-primary);box-shadow:var(--sh-md)}
.tl-body h3{font-size:20px;margin-bottom:10px}
.tl-body p{font-size:15.5px;color:var(--c-ink-2);margin:0 0 12px}
.tl-points li{
  position:relative;padding-left:18px;
  font-size:14.5px;color:var(--c-ink-2);margin-bottom:6px;line-height:1.75;
}
.tl-points li::before{
  content:"";position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:50%;background:var(--c-primary);opacity:.72;
}
.tl-media img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--r-sm);background:var(--c-primary-l);
  border:1px solid var(--c-line);
}

/* ---------- 卡片网格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--sh-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-2px);border-color:#C7DCD6;box-shadow:var(--sh-md)}
.news-card .cover{background:var(--c-primary-l)}
.news-card .cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.tag{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:4px 12px;border-radius:999px;
  background:var(--c-primary-l);color:var(--c-primary-d);font-size:12.5px;
}
.card-body h3{font-size:18px;line-height:1.45}
.card-body p{font-size:14.5px;color:var(--c-ink-2);margin:0;line-height:1.8}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-ink-3);gap:10px;
}
.link-arrow{
  color:var(--c-primary);font-weight:500;font-size:13.5px;
  display:inline-flex;align-items:center;gap:6px;
  transition:color .2s ease;
}
.link-arrow i{transition:transform .22s ease}
.link-arrow:hover{color:var(--c-primary-d)}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-wrap .accordion{--bs-accordion-border-width:0;--bs-accordion-bg:transparent;border-radius:0}
.faq-wrap .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--c-line)}
.faq-wrap .accordion-item:first-child{border-top:1px solid var(--c-line)}
.faq-wrap .accordion-button{
  position:relative;background:transparent;border-radius:0!important;
  font-family:var(--serif);font-size:18px;color:var(--c-ink);
  padding:24px 52px 24px 20px;box-shadow:none!important;
  transition:color .2s ease;
}
.faq-wrap .accordion-button:hover{color:var(--c-primary)}
.faq-wrap .accordion-button::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;
  border-radius:2px;background:var(--c-primary);
  opacity:0;transition:opacity .22s ease;
}
.faq-wrap .accordion-button:not(.collapsed)::before{opacity:1}
.faq-wrap .accordion-button::after{
  background-image:none;content:"+";
  width:26px;height:26px;font-size:22px;line-height:1;
  color:var(--c-primary);display:flex;align-items:center;justify-content:center;
  transition:transform .22s ease,color .22s ease;
}
.faq-wrap .accordion-button:not(.collapsed)::after{
  background-image:none;content:"−";transform:none;color:var(--c-primary-d);
}
.faq-wrap .accordion-body{
  padding:0 52px 26px 20px;
  font-size:15px;color:var(--c-ink-2);line-height:1.85;
}

/* ---------- CTA 色块 ---------- */
.cta-section{padding:88px 0}
.cta-band{
  position:relative;overflow:hidden;
  background:var(--c-primary-d);color:var(--c-bg);
  border-radius:var(--r-lg);padding:56px 48px;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;bottom:-140px;
  width:330px;height:330px;border-radius:50%;
  background:radial-gradient(circle,rgba(192,107,58,.36),transparent 70%);
}
.cta-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.4fr .6fr;gap:40px;align-items:center;
}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(247,245,240,.78);margin:16px 0 0;font-size:15.5px;max-width:640px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-d);color:rgba(247,245,240,.72);padding:64px 0 0;margin-top:0}
.footer-top{padding-bottom:40px}
.site-footer h4{
  color:#fff;font-size:16px;margin-bottom:16px;font-family:var(--serif);
}
.f-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.site-footer .brand-mark{background:rgba(247,245,240,.14);color:#fff}
.site-footer .brand-text strong{color:#fff}
.site-footer .brand-text em{color:rgba(247,245,240,.6)}
.f-desc{font-size:14.5px;line-height:1.85;color:rgba(247,245,240,.68);max-width:360px;margin:0}
.site-footer ul li{margin-bottom:10px}
.site-footer ul li a{
  font-size:14.5px;color:rgba(247,245,240,.68);display:inline-block;
  transition:color .2s ease,transform .2s ease;
}
.site-footer ul li a:hover{color:#fff;transform:translateX(2px)}
.f-plain li{font-size:14.5px;line-height:1.75;color:rgba(247,245,240,.68)}
.footer-bottom{
  border-top:1px solid rgba(247,245,240,.14);
  padding:20px 0;display:flex;justify-content:space-between;
  gap:12px;flex-wrap:wrap;font-size:13.5px;color:rgba(247,245,240,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .banner-grid{gap:40px}
  .overview-grid{gap:40px}
  .tl-item{grid-template-columns:60px minmax(0,1fr) 224px;gap:26px}
  .tl-num{width:60px;height:60px;font-size:19px}
  .timeline::before{left:29px}
}
@media (max-width:991.98px){
  .header-inner{height:56px;gap:16px}
  .page-banner{padding:38px 0 52px}
  .banner-grid{grid-template-columns:1fr;gap:34px}
  .banner-visual{order:-1}
  .banner-float{left:auto;right:14px;bottom:-20px}
  .section{padding:64px 0}
  .cta-section{padding:64px 0}
  .overview-grid{grid-template-columns:1fr;gap:32px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .tl-item{grid-template-columns:56px minmax(0,1fr);gap:18px;padding-bottom:30px}
  .tl-num{width:56px;height:56px;font-size:18px}
  .tl-media{grid-column:1 / -1}
  .timeline::before{left:27px;bottom:56px}
  .cta-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:42px 28px;border-radius:16px}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:767.98px){
  .overview-list{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr}
  .banner-facts .fact{flex:1 1 calc(50% - 6px);min-width:0;padding:12px 16px}
  .cta-actions .btn{flex:1 1 100%}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px}
  h1{font-size:27px}
  .section{padding:52px 0}
  .cta-section{padding:52px 0}
  .banner-desc{font-size:15.5px}
  .banner-float{position:static;margin-top:16px;box-shadow:var(--sh-sm)}
  .search-box input{width:120px}
  .search-box{padding:5px 10px}
  .btn{height:46px;padding:0 20px;font-size:14.5px}
  .faq-wrap .accordion-button{padding:20px 46px 20px 16px;font-size:17px}
  .faq-wrap .accordion-body{padding:0 20px 22px 16px}
  .tl-body h3{font-size:18px}
}