/* roulang page: index */
:root{
  --brand-900:#08302C;
  --brand-700:#0E5A50;
  --brand-500:#12897A;
  --brand-100:#DDEFEB;
  --accent-600:#E85C36;
  --accent-500:#FF6F4D;
  --accent-100:#FFE6DD;
  --sand-50:#FBF7F2;
  --sand-100:#F3ECE3;
  --line:#E3DAD0;
  --ink:#12211F;
  --ink-soft:#4A5C58;
  --white:#FFFFFF;
  --radius-card:18px;
  --radius-img:14px;
  --radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(18,33,31,.04),0 8px 24px -16px rgba(18,33,31,.18);
  --shadow-md:0 2px 6px rgba(18,33,31,.06),0 18px 40px -20px rgba(18,33,31,.24);
  --font-base:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Bahnschrift",ui-monospace,"SFMono-Regular",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:28px;
  color:var(--ink);
  background:var(--sand-50);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-500);}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:3px solid rgba(255,111,77,.45);outline-offset:2px;border-radius:6px;}

/* ============ 容器与排版 ============ */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.bg-white{background:var(--white);}
.bg-sand{background:var(--sand-100);}
.bg-deep{background:var(--brand-900);color:#EAF4F1;position:relative;overflow:hidden;}
.bg-deep::before{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(circle at 20% 30%, rgba(255,255,255,.055) 0 2px, transparent 3px),
                   radial-gradient(circle at 70% 70%, rgba(255,255,255,.045) 0 2px, transparent 3px);
  background-size:120px 120px, 96px 96px;
  pointer-events:none;
}
.bg-deep > *{position:relative;z-index:1;}
h1{font-size:40px;line-height:48px;font-weight:800;letter-spacing:-.5px;}
h2{font-size:30px;line-height:40px;font-weight:700;letter-spacing:-.3px;}
h3{font-size:22px;line-height:32px;font-weight:600;}
.eyebrow{
  display:inline-block;
  font-size:12px;
  line-height:18px;
  letter-spacing:.08em;
  font-weight:700;
  color:var(--brand-700);
  text-transform:uppercase;
}
.bg-deep .eyebrow{color:var(--accent-500);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:40px;
}
.section-head__text{max-width:680px;}
.section-head p{
  margin-top:12px;
  color:var(--ink-soft);
  font-size:16px;
  line-height:28px;
}
.h2-mark{position:relative;padding-left:18px;}
.h2-mark::before{
  content:"";
  position:absolute;left:0;top:6px;
  width:4px;height:26px;
  border-radius:2px;
  background:var(--accent-500);
}
.bg-deep .h2-mark::before{background:var(--accent-500);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:var(--radius-btn);
  font-size:16px;
  font-weight:600;
  line-height:1;
  border:2px solid transparent;
  transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--accent-500);
  color:#fff;
  box-shadow:0 8px 20px -12px rgba(255,111,77,.9);
}
.btn-primary:hover{
  background:var(--accent-600);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 14px 26px -12px rgba(232,92,54,.85);
}
.btn-primary:active{transform:translateY(0);filter:brightness(.96);}
.btn-primary:disabled,.btn-primary.is-disabled{
  opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;
}
.btn-ghost{
  background:transparent;
  color:var(--brand-700);
  border-color:var(--brand-700);
}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-700);}
.btn-ghost:active{background:var(--brand-100);filter:brightness(.97);}
.btn-light{
  background:#fff;
  color:var(--brand-900);
  border-color:#fff;
}
.btn-light:hover{background:var(--accent-100);color:var(--brand-900);border-color:var(--accent-100);}
.btn-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:600;
  color:var(--brand-700);
  font-size:15px;
}
.btn-link .arrow{transition:transform .18s ease;}
.btn-link:hover{color:var(--brand-500);}
.btn-link:hover .arrow{transform:translateX(3px);}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  height:72px;
  z-index:100;
  background:rgba(251,247,242,.92);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px -18px rgba(18,33,31,.6);
  background:rgba(251,247,242,.97);
}
.nav{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
  letter-spacing:-.2px;
  color:var(--brand-900);
}
.logo:hover{color:var(--brand-700);}
.logo__mark{
  width:30px;height:30px;
  flex:0 0 30px;
  border-radius:9px;
  background:var(--brand-700);
  position:relative;
  display:inline-block;
}
.logo__mark::before{
  content:"";
  position:absolute;
  left:7px;top:12px;
  width:16px;height:6px;
  border-radius:50% 50% 50% 50%/ 60% 60% 40% 40%;
  background:var(--accent-500);
  transform:rotate(-8deg);
}
.logo__mark::after{
  content:"";
  position:absolute;
  right:7px;top:9px;
  width:5px;height:5px;
  border-radius:50%;
  background:#fff;
  opacity:.85;
}
.nav__links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav__link{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-soft);
  border-radius:8px;
}
.nav__link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--accent-500);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease;
}
.nav__link:hover{color:var(--brand-700);}
.nav__link:hover::after{transform:scaleX(1);}
.nav__link.is-active{color:var(--brand-900);font-weight:700;}
.nav__link.is-active::after{transform:scaleX(1);}
.nav__cta{
  margin-left:16px;
  height:44px;
  padding:0 22px;
  font-size:15px;
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:10px;
  align-items:center;
  justify-content:center;
  margin-left:auto;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--brand-900);
  border-radius:2px;
  position:relative;
  transition:background .2s ease;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;left:0;
  width:18px;height:2px;
  background:var(--brand-900);
  border-radius:2px;
  transition:transform .2s ease,top .2s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{top:0;transform:rotate(45deg);}
.nav-toggle.is-open span::after{top:0;transform:rotate(-45deg);}

/* 移动端抽屉 */
.nav-drawer{
  position:fixed;
  top:72px;left:0;right:0;
  height:calc(100dvh - 72px);
  background:var(--sand-50);
  border-top:1px solid var(--line);
  padding:24px 24px 32px;
  display:none;
  flex-direction:column;
  gap:4px;
  z-index:99;
  overflow-y:auto;
}
.nav-drawer.is-open{display:flex;}
.nav-drawer a.drawer-link{
  display:block;
  padding:16px 8px;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.nav-drawer a.drawer-link:hover{color:var(--brand-700);}
.nav-drawer a.drawer-link.is-active{color:var(--brand-700);}
.nav-drawer .btn{
  margin-top:auto;
  width:100%;
}

/* ============ Hero ============ */
.hero{
  padding-top:132px;
  padding-bottom:96px;
  background:linear-gradient(180deg,var(--sand-50) 0%,var(--white) 100%);
  position:relative;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;
  right:-140px;top:-120px;
  width:520px;height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(18,137,122,.10) 0%,rgba(18,137,122,0) 68%);
  pointer-events:none;
}
.hero__grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  position:relative;
  z-index:1;
}
.hero__tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border:1px solid var(--brand-100);
  background:var(--brand-100);
  color:var(--brand-700);
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
}
.hero h1{margin-top:20px;color:var(--brand-900);}
.hero__sub{
  margin-top:20px;
  font-size:17px;
  line-height:30px;
  color:var(--ink-soft);
  max-width:560px;
}
.hero__actions{
  margin-top:32px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.hero__trust{
  margin-top:28px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  font-size:14px;
  color:var(--ink-soft);
}
.hero__trust span.dot{
  width:1px;height:14px;
  background:var(--line);
  display:inline-block;
}
.hero__media{
  position:relative;
  border-radius:var(--radius-card);
  overflow:visible;
}
.hero__media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:var(--radius-card);
  background:var(--brand-100);
  box-shadow:var(--shadow-md);
}
.hero__float{
  position:absolute;
  left:-18px;
  bottom:-24px;
  width:230px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-img);
  padding:16px 18px;
  box-shadow:var(--shadow-md);
}
.hero__float-label{
  display:block;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--ink-soft);
}
.hero__float-num{
  display:block;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:32px;
  line-height:38px;
  font-weight:700;
  color:var(--accent-500);
  margin:4px 0 2px;
}
.hero__float-sub{
  display:block;
  font-size:13px;
  line-height:20px;
  color:var(--ink-soft);
}

/* ============ 痛点 ============ */
.pain-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-top:8px;
}
.pain-card{
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-card);
  padding:24px;
  background:rgba(255,255,255,.03);
  transition:border-color .2s ease,transform .2s ease,background-color .2s ease;
}
.pain-card:hover{
  border-color:rgba(255,111,77,.55);
  transform:translateY(-4px);
  background:rgba(255,255,255,.055);
}
.pain-card__num{
  display:block;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:28px;
  line-height:34px;
  font-weight:700;
  color:var(--accent-500);
  margin-bottom:14px;
}
.pain-card h3{
  font-size:18px;
  line-height:26px;
  color:#fff;
  font-weight:600;
  margin-bottom:8px;
}
.pain-card p{
  font-size:14px;
  line-height:24px;
  color:rgba(255,255,255,.68);
}

/* ============ 解决方案 ============ */
.solution-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:48px 0;
  border-bottom:1px solid var(--line);
}
.solution-row:last-child{border-bottom:0;}
.solution-row__media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--radius-card);
  background:var(--brand-100);
  box-shadow:var(--shadow-sm);
}
.solution-row__body h2{margin-top:12px;color:var(--brand-900);}
.solution-row__body p{
  margin-top:16px;
  color:var(--ink-soft);
  font-size:16px;
  line-height:28px;
}
.solution-list{
  margin-top:20px;
  display:grid;
  gap:10px;
}
.solution-list li{
  position:relative;
  padding-left:26px;
  font-size:15px;
  line-height:26px;
  color:var(--ink-soft);
}
.solution-list li::before{
  content:"";
  position:absolute;
  left:0;top:10px;
  width:9px;height:9px;
  border-radius:2px;
  background:var(--brand-500);
}
.solution-row__body .btn-link{margin-top:24px;}
.solution-row--reverse .solution-row__media{order:2;}
.solution-row--reverse .solution-row__body{order:1;}

/* ============ 数据带 ============ */
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  margin-top:8px;
}
.stat{
  padding:8px 28px;
  border-left:1px solid var(--line);
}
.stat:first-child{border-left:0;padding-left:0;}
.stat__num{
  display:block;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:40px;
  line-height:48px;
  font-weight:700;
  color:var(--accent-500);
}
.stat__unit{
  font-size:18px;
  font-weight:600;
  color:var(--accent-500);
  margin-left:2px;
}
.stat__note{
  display:block;
  margin-top:8px;
  font-size:14px;
  line-height:24px;
  color:var(--ink-soft);
}
.stat__line{
  height:1px;
  background:var(--line);
  margin:14px 0 12px;
}

/* ============ 客户证言 ============ */
.quote-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
  margin-top:8px;
}
.quote-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px;
  box-shadow:var(--shadow-sm);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  position:relative;
}
.quote-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:var(--brand-100);
}
.quote-card__mark{
  font-family:Georgia,serif;
  font-size:44px;
  line-height:1;
  color:var(--accent-100);
  margin-bottom:6px;
}
.quote-card blockquote{
  font-size:16px;
  line-height:28px;
  color:var(--ink);
}
.quote-card__person{
  display:flex;
  align-items:center;
  gap:12px;
  margin-top:22px;
  padding-top:18px;
  border-top:1px solid var(--line);
}
.avatar{
  width:48px;height:48px;
  flex:0 0 48px;
  border-radius:50%;
  background:var(--brand-100);
  color:var(--brand-700);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:700;
  font-size:17px;
}
.quote-card__name{
  font-size:15px;
  font-weight:600;
  color:var(--brand-900);
  line-height:22px;
}
.quote-card__role{
  font-size:13px;
  line-height:20px;
  color:var(--ink-soft);
}
.tag{
  display:inline-block;
  padding:3px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--sand-100);
  color:var(--ink-soft);
  font-size:12px;
  line-height:20px;
}
.quote-card .tag{margin-left:auto;}

/* ============ 资讯 / CMS ============ */
.news-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.news-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  display:flex;
  flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.news-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:var(--brand-100);
}
.news-card__cover{
  display:block;
  background:var(--brand-100);
}
.news-card__cover img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:var(--radius-img) var(--radius-img) 0 0;
}
.news-card__body{
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1;
}
.badge{
  display:inline-block;
  align-self:flex-start;
  padding:4px 12px;
  border-radius:999px;
  background:var(--accent-100);
  color:var(--accent-600);
  font-size:12px;
  font-weight:600;
  line-height:18px;
}
.news-card h3{
  font-size:18px;
  line-height:28px;
  font-weight:600;
  color:var(--brand-900);
}
.news-card h3 a{color:inherit;}
.news-card h3 a:hover{
  color:var(--brand-700);
  text-decoration:underline;
  text-underline-offset:3px;
}
.news-card__desc{
  font-size:14px;
  line-height:24px;
  color:var(--ink-soft);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card__meta{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13px;
  line-height:20px;
  color:var(--ink-soft);
  display:flex;
  align-items:center;
  gap:8px;
  font-variant-numeric:tabular-nums;
}
.news-empty{
  border:1px dashed var(--line);
  background:var(--sand-50);
  border-radius:var(--radius-card);
  padding:56px 24px;
  text-align:center;
}
.news-empty__icon{
  width:44px;height:44px;
  margin:0 auto 14px;
  border-radius:12px;
  border:1.5px solid var(--brand-500);
  position:relative;
  opacity:.8;
}
.news-empty__icon::after{
  content:"";
  position:absolute;
  left:11px;right:11px;top:50%;
  height:1.5px;
  background:var(--brand-500);
  box-shadow:0 -7px 0 var(--brand-500),0 7px 0 var(--brand-500);
  opacity:.55;
}
.news-empty__title{
  font-size:16px;
  font-weight:600;
  color:var(--brand-900);
}
.news-empty__sub{
  margin-top:6px;
  font-size:14px;
  color:var(--ink-soft);
}

/* ============ FAQ ============ */
.faq{
  max-width:900px;
  margin:0 auto;
  border-top:1px solid var(--line);
}
.faq details{
  border-bottom:1px solid var(--line);
}
.faq summary{
  list-style:none;
  cursor:pointer;
  min-height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:18px 0;
  font-size:17px;
  font-weight:600;
  color:var(--brand-900);
  transition:color .18s ease;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{color:var(--brand-700);}
.faq summary:focus-visible{outline:3px solid rgba(255,111,77,.4);outline-offset:4px;border-radius:8px;}
.faq .faq__icon{
  position:relative;
  flex:0 0 32px;
  width:32px;height:32px;
  border-radius:50%;
  border:1.5px solid var(--line);
  background:#fff;
  transition:transform .2s ease,border-color .2s ease,background-color .2s ease;
}
.faq .faq__icon::before,
.faq .faq__icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  transform:translate(-50%,-50%);
  background:var(--brand-700);
  border-radius:2px;
  transition:background-color .2s ease;
}
.faq .faq__icon::before{width:13px;height:2px;}
.faq .faq__icon::after{width:2px;height:13px;}
.faq details[open] .faq__icon{
  transform:rotate(45deg);
  border-color:var(--accent-500);
  background:var(--accent-100);
}
.faq details[open] .faq__icon::before,
.faq details[open] .faq__icon::after{background:var(--accent-600);}
.faq__answer{
  padding:0 24px 24px 24px;
  font-size:15px;
  line-height:1.9;
  color:var(--ink-soft);
  max-width:760px;
}

/* ============ 终局 CTA ============ */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  padding:56px;
  border-radius:24px;
  background:var(--brand-900);
  position:relative;
  overflow:hidden;
  color:#fff;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(circle at 15% 25%, rgba(255,255,255,.06) 0 2px, transparent 3px),
                   radial-gradient(circle at 80% 75%, rgba(255,255,255,.05) 0 2px, transparent 3px);
  background-size:100px 100px, 82px 82px;
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{color:#fff;font-size:28px;line-height:38px;}
.cta-band p{
  margin-top:10px;
  font-size:15px;
  line-height:26px;
  color:rgba(255,255,255,.72);
  max-width:560px;
}
.cta-band .btn-primary{height:52px;padding:0 34px;font-size:17px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-900);
  color:rgba(255,255,255,.72);
  padding:72px 0 0;
  position:relative;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(circle at 25% 20%, rgba(255,255,255,.05) 0 2px, transparent 3px),
                   radial-gradient(circle at 75% 80%, rgba(255,255,255,.04) 0 2px, transparent 3px);
  background-size:110px 110px, 88px 88px;
  pointer-events:none;
}
.site-footer .container{position:relative;z-index:1;}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:48px;
}
.footer-brand .logo{color:#fff;}
.footer-brand .logo:hover{color:#fff;}
.footer-brand .logo__mark{background:var(--brand-500);}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:26px;
  color:rgba(255,255,255,.66);
  max-width:340px;
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{
  font-size:14px;
  line-height:24px;
  color:rgba(255,255,255,.72);
}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{
  font-size:14px;
  line-height:24px;
  color:rgba(255,255,255,.72);
  display:flex;
  gap:8px;
}
.footer-contact li span.k{color:rgba(255,255,255,.5);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;
  font-size:13px;
  line-height:22px;
  color:rgba(255,255,255,.55);
  display:flex;
  flex-wrap:wrap;
  gap:8px 20px;
  align-items:center;
}
.footer-bottom a{color:rgba(255,255,255,.55);}
.footer-bottom a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero__grid{gap:40px;}
  .solution-row{gap:40px;}
}
@media (max-width:1023px){
  .hero{padding-top:116px;padding-bottom:80px;}
  .hero__grid{grid-template-columns:1fr;gap:44px;}
  .hero__media{max-width:620px;}
  .hero__float{left:0;bottom:-20px;}
  .pain-grid{grid-template-columns:repeat(2,1fr);}
  .solution-row{grid-template-columns:1fr;gap:28px;padding:40px 0;}
  .solution-row--reverse .solution-row__media{order:0;}
  .solution-row--reverse .solution-row__body{order:1;}
  .stats{grid-template-columns:repeat(2,1fr);row-gap:32px;}
  .stat{border-left:0;padding:0;}
  .stat:nth-child(odd){padding-right:24px;}
  .quote-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .section{padding:72px 0;}
  .cta-band{padding:40px;flex-direction:column;align-items:flex-start;gap:24px;}
}
@media (max-width:860px){
  .nav__links,.nav__cta{display:none;}
  .nav-toggle{display:flex;}
}
@media (max-width:767px){
  .container{padding-left:20px;padding-right:20px;}
  h1{font-size:28px;line-height:38px;}
  h2{font-size:24px;line-height:34px;}
  h3{font-size:19px;line-height:28px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px;}
  .hero{padding-top:108px;padding-bottom:64px;}
  .hero__sub{font-size:16px;line-height:28px;}
  .hero__float{position:static;width:100%;margin-top:16px;left:auto;bottom:auto;}
  .hero__trust{gap:10px;font-size:13px;}
  .pain-grid{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr;row-gap:24px;}
  .stat{padding:0;border-left:0;border-top:1px solid var(--line);padding-top:20px;}
  .stat:first-child{border-top:0;padding-top:0;}
  .news-grid{grid-template-columns:1fr;}
  .news-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .cta-band{padding:32px 24px;border-radius:18px;}
  .cta-band h2{font-size:23px;line-height:32px;}
  .cta-band .btn-primary{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .faq summary{font-size:16px;min-height:60px;}
  .faq__answer{padding:0 0 22px 0;}
  .quote-card{padding:22px;}
  .news-card__body{padding:20px;}
}
@media (max-width:479px){
  h1{font-size:26px;line-height:34px;}
  .hero__actions .btn{width:100%;}
  .btn{width:100%;}
  .btn-link{width:auto;}
  .nav-toggle{margin-left:auto;}
}

/* roulang page: article */
:root{
  --brand-900:#08302C;
  --brand-700:#0E5A50;
  --brand-500:#12897A;
  --brand-100:#DDEFEB;
  --accent-600:#E85C36;
  --accent-500:#FF6F4D;
  --accent-100:#FFE6DD;
  --sand-50:#FBF7F2;
  --sand-100:#F3ECE3;
  --line:#E3DAD0;
  --ink:#12211F;
  --ink-soft:#4A5C58;
  --white:#FFFFFF;
  --radius-card:18px;
  --radius-img:14px;
  --radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(18,33,31,.04),0 8px 24px -16px rgba(18,33,31,.18);
  --shadow-md:0 2px 6px rgba(18,33,31,.06),0 18px 40px -20px rgba(18,33,31,.24);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--sand-50);
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-500)}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0}
a:focus-visible,button:focus-visible{outline:3px solid rgba(255,111,77,.45);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,247,242,.92);
  backdrop-filter:saturate(180%) blur(10px);
  -webkit-backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease,border-color .2s ease,background .2s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px -26px rgba(18,33,31,.75);
}
.header__inner{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.3px;color:var(--ink);white-space:nowrap}
.logo:hover{color:var(--brand-700)}
.logo__mark{
  position:relative;display:inline-block;flex:none;
  width:26px;height:26px;background:var(--accent-500);
  border-radius:52% 48% 44% 56% / 56% 44% 56% 44%;
  transform:rotate(-10deg);
}
.logo__mark::after{
  content:"";position:absolute;inset:7px;border-radius:50%;
  background:var(--brand-900);opacity:.9;
}
.nav__links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav__link{
  position:relative;padding:10px 14px;font-size:15px;font-weight:500;
  color:var(--ink-soft);border-radius:8px;white-space:nowrap;
  transition:color .18s ease,background .18s ease;
}
.nav__link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  background:var(--accent-500);border-radius:2px;
  transform:scaleX(0);transform-origin:left center;
  transition:transform .2s ease;
}
.nav__link:hover{color:var(--brand-700);background:rgba(221,239,235,.45)}
.nav__link:hover::after,.nav__link.is-active::after{transform:scaleX(1)}
.nav__link.is-active{color:var(--brand-900);font-weight:600}
.header__actions{display:flex;align-items:center;gap:10px;margin-left:8px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:2px solid transparent;text-align:center;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn--primary{background:var(--accent-500);color:#fff}
.btn--primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px -16px rgba(232,92,54,.9)}
.btn--primary:active{transform:translateY(0);background:#d24d2a;box-shadow:none}
.btn--ghost{background:transparent;border-color:var(--brand-700);color:var(--brand-700)}
.btn--ghost:hover{background:var(--brand-100);color:var(--brand-900);transform:translateY(-1px)}
.btn--ghost:active{transform:translateY(0);background:var(--brand-100)}
.btn--nav{height:44px;padding:0 22px;font-size:15px}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(255,111,77,.35)}
.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;pointer-events:none}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--white);
  border-radius:10px;flex-direction:column;gap:5px;align-items:center;justify-content:center;
  transition:border-color .18s ease,background .18s ease;
}
.nav-toggle:hover{border-color:var(--brand-100);background:var(--brand-100)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer{
  position:fixed;left:0;right:0;top:72px;bottom:0;z-index:55;
  display:flex;flex-direction:column;padding:20px 24px 28px;
  background:var(--sand-50);overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer__link{display:block;padding:16px 4px;font-size:17px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer__link:hover{color:var(--brand-700)}
.drawer__cta{margin-top:auto;padding-top:28px}
.drawer__cta .btn{width:100%;height:52px}

/* ---------- breadcrumbs ---------- */
.crumbs{padding:26px 0 0;font-size:14px;color:var(--ink-soft);display:flex;flex-wrap:wrap;align-items:center;line-height:1.6}
.crumbs a{color:var(--ink-soft)}
.crumbs a:hover{color:var(--brand-700)}
.crumbs .sep{margin:0 8px;color:#B4ADA4}
.crumbs .current{color:#7C8783;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article head ---------- */
.article-head{padding:28px 0 0;max-width:880px}
.badge{
  display:inline-flex;align-items:center;height:27px;padding:0 13px;
  border-radius:999px;background:var(--accent-100);color:var(--accent-600);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.badge--brand{background:var(--brand-100);color:var(--brand-700)}
.article-title{
  font-size:34px;line-height:1.35;font-weight:800;letter-spacing:-.5px;
  color:var(--ink);margin:16px 0 18px;
}
.meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:14px;color:var(--ink-soft);padding-bottom:26px;border-bottom:1px solid var(--line);
}
.meta .dot{color:#C6BFB6}
.cover{
  margin:32px 0 0;border-radius:var(--radius-card);overflow:hidden;
  background:var(--brand-100);aspect-ratio:16/9;box-shadow:var(--shadow-sm);
}
.cover img{width:100%;height:100%;object-fit:cover}

/* ---------- article layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 260px;
  gap:56px;justify-content:center;align-items:start;
  padding:44px 0 24px;
}
.article-body{font-size:17px;line-height:1.9;color:#22312E;min-width:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:26px;line-height:1.45;font-weight:700;color:var(--ink);
  margin:44px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--accent-500);
}
.article-body h3{font-size:20px;line-height:1.5;font-weight:600;color:var(--ink);margin:30px 0 12px}
.article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px}
.article-body a{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--brand-500)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.5em}
.article-body ul{list-style:none;padding-left:1.3em}
.article-body ul>li{position:relative;margin:0 0 .55em}
.article-body ul>li::before{
  content:"";position:absolute;left:-1.1em;top:.78em;
  width:7px;height:7px;background:var(--brand-500);border-radius:2px;
}
.article-body ol>li{margin:0 0 .55em}
.article-body blockquote{
  margin:26px 0;padding:20px 24px;border-left:3px solid var(--accent-500);
  background:var(--sand-100);border-radius:0 12px 12px 0;color:var(--ink-soft);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:26px auto}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:#8A9490;text-align:center;margin-top:8px}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;line-height:1.7;
  margin:26px 0;border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body thead th{background:var(--brand-100);color:var(--brand-900);font-weight:600}
.article-body tbody tr:nth-child(even){background:var(--sand-50)}
.article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0}
.article-body strong{color:var(--ink);font-weight:700}

.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-sm);
}
.side-card h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:14px}
.side-list{list-style:none;display:flex;flex-direction:column;gap:4px}
.side-list a{display:block;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px;font-weight:600;color:var(--ink)}
.side-list a span{display:block;font-size:12.5px;font-weight:400;color:var(--ink-soft);margin-top:2px}
.side-list li:last-child a{border-bottom:none}
.side-list a:hover{color:var(--brand-700)}
.side-card--dark{background:var(--brand-900);border-color:var(--brand-900);color:rgba(255,255,255,.72)}
.side-card--dark h3{color:#fff}
.side-card--dark p{font-size:14px;line-height:1.8;margin-bottom:18px}
.side-card--dark .btn{width:100%}

/* ---------- tail ---------- */
.article-tail{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin:40px 0 0;padding-top:26px;border-top:1px solid var(--line);
}
.tags{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border:1px solid var(--line);border-radius:999px;background:var(--white);
  font-size:13px;color:var(--ink-soft);
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.tag:hover{border-color:var(--brand-100);color:var(--brand-700);background:var(--brand-100)}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-card);
  background:var(--white);padding:56px 32px;text-align:center;
}
.empty-state h2{font-size:22px;margin-bottom:12px;color:var(--ink)}
.empty-state p{font-size:15px;color:var(--ink-soft);margin-bottom:24px}

/* ---------- related ---------- */
.related{padding:80px 0;background:var(--sand-100);border-top:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head .eyebrow{
  display:block;font-size:12px;letter-spacing:.18em;color:var(--brand-500);
  font-weight:700;margin-bottom:10px;
}
.section-head h2{font-size:30px;line-height:1.35;font-weight:700;color:var(--ink);letter-spacing:-.4px}
.section-head p{font-size:15px;color:var(--ink-soft);margin-top:8px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-700);white-space:nowrap}
.link-more span{transition:transform .18s ease}
.link-more:hover span{transform:translateX(4px)}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--white);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-100)}
.card__media{aspect-ratio:16/9;background:var(--brand-100);overflow:hidden}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card__media img{transform:scale(1.04)}
.card__body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card__title{font-size:18px;line-height:1.5;font-weight:700}
.card__title a{color:var(--ink)}
.card__title a:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:4px}
.card__desc{font-size:14px;line-height:1.8;color:var(--ink-soft)}
.card__foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:#8A9490;
}

/* ---------- cta band ---------- */
.cta-wrap{padding:0 0 80px;background:var(--sand-100)}
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-card);
  background:var(--brand-900);color:#fff;
  padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at 12% 20%,rgba(255,255,255,.06) 0 18%,transparent 19%),
                   radial-gradient(circle at 78% 82%,rgba(255,111,77,.14) 0 14%,transparent 15%);
  background-size:220px 220px,300px 300px;
  opacity:.85;
}
.cta-band h2{position:relative;font-size:26px;line-height:1.4;font-weight:700;letter-spacing:-.3px}
.cta-band p{position:relative;font-size:15px;color:rgba(255,255,255,.72);margin-top:8px}
.cta-band .btn{position:relative;flex:none;height:52px;padding:0 34px}

/* ---------- footer ---------- */
.site-footer{position:relative;overflow:hidden;background:var(--brand-900);color:rgba(255,255,255,.72);padding:64px 0 0}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at 18% 0,rgba(255,255,255,.06),transparent 58%),
                   radial-gradient(circle at 82% 100%,rgba(255,255,255,.05),transparent 55%);
}
.footer-grid{position:relative;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.site-footer .logo{color:#fff;font-size:19px}
.site-footer .logo:hover{color:#fff}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);margin-top:16px;max-width:320px}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:#fff}
.footer-contact li{display:flex;gap:12px;font-size:14px;line-height:1.7}
.footer-contact .k{color:rgba(255,255,255,.5);flex:none}
.footer-bottom{
  position:relative;margin-top:48px;padding:20px 0;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:18px;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,760px);gap:0}
  .article-side{display:none}
  .article-body{margin:0 auto}
  .article-head{margin:0 auto}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .related{padding:72px 0}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px}
  .article-title{font-size:30px}
}
@media (max-width:960px){
  .nav__links{display:none}
  .btn--nav{display:none}
  .nav-toggle{display:flex}
  .header__inner{height:64px}
  .drawer{top:64px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .crumbs{padding-top:20px;font-size:13px}
  .article-head{padding-top:22px}
  .article-title{font-size:26px;line-height:1.4;letter-spacing:-.3px;margin:14px 0 16px}
  .meta{font-size:13px;padding-bottom:20px}
  .cover{margin-top:24px;border-radius:var(--radius-img)}
  .article-layout{padding:32px 0 20px}
  .article-body{font-size:16px;line-height:1.88}
  .article-body h2{font-size:22px;margin-top:34px}
  .article-body h3{font-size:18px}
  .article-body table{font-size:14px}
  .article-tail{flex-direction:column;align-items:flex-start}
  .related{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:26px}
  .section-head h2{font-size:24px}
  .grid-3{grid-template-columns:1fr;gap:18px}
  .cta-wrap{padding-bottom:56px}
  .cta-band{padding:28px 22px;gap:20px}
  .cta-band h2{font-size:22px}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{font-size:12px;gap:10px;flex-direction:column}
  .site-footer{padding-top:52px}
}
@media (max-width:479px){
  .article-title{font-size:24px}
  .logo{font-size:17px}
  .btn{padding:13px 20px}
  .btn--nav{padding:0 18px}
}

/* roulang page: category1 */
:root{
  --brand-900:#08302C;
  --brand-700:#0E5A50;
  --brand-500:#12897A;
  --brand-100:#DDEFEB;
  --accent-600:#E85C36;
  --accent-500:#FF6F4D;
  --accent-100:#FFE6DD;
  --sand-50:#FBF7F2;
  --sand-100:#F3ECE3;
  --line:#E3DAD0;
  --ink:#12211F;
  --ink-soft:#4A5C58;
  --white:#FFFFFF;
  --radius-card:18px;
  --radius-img:14px;
  --radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(18,33,31,.04),0 8px 24px -16px rgba(18,33,31,.18);
  --shadow-md:0 2px 6px rgba(18,33,31,.06),0 18px 40px -20px rgba(18,33,31,.24);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Bahnschrift",ui-monospace,"SFMono-Regular",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--sand-50);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-500)}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:-.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:3px solid rgba(255,111,77,.35);
  outline-offset:2px;
  border-radius:6px;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:2px solid transparent;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
  will-change:transform;
}
.btn--primary{background:var(--accent-500);color:#fff;box-shadow:0 8px 20px -12px rgba(232,92,54,.9)}
.btn--primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(232,92,54,.95)}
.btn--primary:active{transform:translateY(0);background:#D4512E}
.btn--ghost{background:transparent;color:var(--brand-700);border-color:var(--brand-700)}
.btn--ghost:hover{background:var(--brand-100);color:var(--brand-700);transform:translateY(-1px)}
.btn--ghost:active{transform:translateY(0);background:#CDE7E2}
.btn--light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn--light:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateY(-1px)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand-700);font-size:15px}
.link-arrow span{transition:transform .18s ease}
.link-arrow:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px}
.link-arrow:hover span{transform:translateX(3px)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(251,247,242,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 10px 30px -24px rgba(18,33,31,.55)}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo__mark{
  width:26px;height:26px;border-radius:50% 50% 50% 4px;
  background:var(--accent-500);
  transform:rotate(-45deg);
  position:relative;flex-shrink:0;
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.35);
}
.logo__mark::after{
  content:"";position:absolute;right:5px;top:5px;width:6px;height:6px;border-radius:50%;
  background:#fff;opacity:.9;
}
.logo__text{font-size:18px;font-weight:800;letter-spacing:-.3px;color:var(--brand-900)}
.nav__links{display:flex;align-items:center;gap:28px}
.nav__link{
  position:relative;display:inline-block;
  padding:6px 0;font-size:15px;font-weight:500;color:var(--ink-soft);
  transition:color .18s ease;
}
.nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--accent-500);border-radius:2px;
  transform:scaleX(0);transform-origin:left center;
  transition:transform .22s ease;
}
.nav__link:hover,.nav__link:focus-visible{color:var(--brand-700)}
.nav__link:hover::after,.nav__link:focus-visible::after{transform:scaleX(1)}
.nav__link.is-active{color:var(--brand-700);font-weight:600}
.nav__link.is-active::after{transform:scaleX(1)}
.header__actions{display:flex;align-items:center;gap:12px}
.nav-cta{height:44px;padding:0 22px;font-size:15px;border-radius:var(--radius-btn)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);background:var(--white);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-900);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-drawer{
  display:none;position:fixed;left:0;right:0;top:72px;bottom:0;z-index:110;
  background:var(--sand-50);padding:24px 24px 32px;
  flex-direction:column;gap:8px;overflow-y:auto;
}
.mobile-drawer.is-open{display:flex}
.mobile-drawer .nav__link{
  font-size:18px;font-weight:600;color:var(--ink);
  padding:16px 4px;border-bottom:1px solid var(--line);width:100%;
}
.mobile-drawer .nav__link::after{display:none}
.mobile-drawer .nav__link.is-active{color:var(--brand-700)}
.mobile-drawer__cta{margin-top:auto;padding-top:24px}
.mobile-drawer__cta .btn{width:100%;height:52px}

/* ---------- 页头带 ---------- */
.page-head{
  position:relative;overflow:hidden;
  background:var(--sand-100);
  border-bottom:1px solid var(--line);
  padding:36px 0 64px;
}
.page-head::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at center, rgba(18,137,122,.14) 0 1.6px, transparent 1.7px);
  background-size:26px 26px;opacity:.5;
}
.page-head::after{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,111,77,.14),transparent 68%);
  pointer-events:none;
}
.page-head .container{position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-soft);flex-wrap:wrap}
.breadcrumb a{color:var(--ink-soft)}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb .sep{color:#B9AEA2}
.breadcrumb .is-current{color:var(--ink-soft);font-weight:600}
.page-head__grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:end;margin-top:28px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;font-weight:700;color:var(--brand-700);
  background:var(--white);border:1px solid var(--line);
  padding:6px 14px;border-radius:999px;text-transform:uppercase;
}
.page-head h1{
  font-size:40px;line-height:1.25;font-weight:800;letter-spacing:-.5px;
  margin:18px 0 16px;max-width:18em;
}
.page-head__lead{font-size:17px;line-height:1.8;color:var(--ink-soft);max-width:34em}
.page-head__lead + .page-head__lead{margin-top:10px}
.page-head__aside{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-sm);
}
.page-head__aside .btn{width:100%}
.page-head__hint{margin-top:14px;font-size:13px;line-height:1.7;color:var(--ink-soft)}
.page-head__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  display:inline-flex;align-items:center;font-size:12px;font-weight:600;
  color:var(--brand-700);background:var(--brand-100);
  border-radius:999px;padding:4px 12px;
}
.tag--accent{color:#B84124;background:var(--accent-100)}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  position:sticky;top:72px;z-index:90;
  background:rgba(255,255,255,.96);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.anchor-bar__inner{display:flex;gap:12px;padding:14px 24px;overflow-x:auto;scrollbar-width:none}
.anchor-bar__inner::-webkit-scrollbar{display:none}
.anchor-pill{
  flex:0 0 auto;white-space:nowrap;
  font-size:14px;font-weight:600;color:var(--ink-soft);
  border:1px solid var(--line);border-radius:999px;padding:8px 18px;
  background:var(--white);
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.anchor-pill:hover{background:var(--brand-100);color:var(--brand-700);border-color:var(--brand-100);transform:translateY(-1px)}
.anchor-pill:active{transform:translateY(0)}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section--white{background:var(--white)}
.section--sand{background:var(--sand-100)}
.section--tight{padding-top:72px}
.section-head{max-width:720px;margin-bottom:44px}
.section-title{position:relative;padding-left:18px;font-size:30px;line-height:1.35;font-weight:700}
.section-title::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;
  background:var(--accent-500);
}
.section-sub{margin-top:14px;font-size:16px;line-height:1.85;color:var(--ink-soft)}

/* ---------- 图文横排 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.media{position:relative}
.media img{
  width:100%;border-radius:var(--radius-img);
  border:1px solid var(--line);background:var(--brand-100);
  aspect-ratio:16/11;object-fit:cover;
}
.media figcaption{margin-top:12px;font-size:13px;color:#8B9A96}
.media__badge{
  position:absolute;left:16px;bottom:16px;
  background:rgba(8,48,44,.86);color:#fff;
  font-size:13px;font-weight:600;padding:8px 14px;border-radius:999px;
}
.split__body h2{margin-bottom:14px}
.split__body p{color:var(--ink-soft);line-height:1.9}
.split__body p + p{margin-top:12px}
.split--reverse .media{order:2}
.check-list{margin-top:24px;display:grid;gap:12px}
.check-list li{
  position:relative;padding-left:26px;font-size:15px;line-height:1.75;color:var(--ink);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:10px;height:10px;
  border-radius:3px;background:var(--accent-500);
  box-shadow:0 0 0 3px var(--accent-100);
}
.check-list li b{font-weight:700;color:var(--brand-700)}
.split__actions{margin-top:28px}

/* ---------- 流程列表 ---------- */
.flow-list{counter-reset:flow;display:grid;gap:0;border-top:1px solid var(--line)}
.flow-item{
  display:grid;grid-template-columns:96px minmax(0,1fr) 220px;gap:28px;
  padding:28px 0;border-bottom:1px solid var(--line);
  transition:background-color .18s ease;
}
.flow-item:hover{background:rgba(255,255,255,.7)}
.flow-num{
  font-family:var(--font-num);font-feature-settings:"tnum";
  font-size:34px;font-weight:700;line-height:1;color:var(--accent-500);
  padding-top:4px;letter-spacing:-1px;
}
.flow-num small{display:block;font-size:12px;font-weight:700;letter-spacing:.14em;color:#9A8F84;margin-top:8px}
.flow-item h3{font-size:19px;line-height:1.5;margin-bottom:8px}
.flow-item p{font-size:15px;line-height:1.8;color:var(--ink-soft)}
.flow-meta{display:flex;flex-direction:column;gap:8px;align-items:flex-start;justify-content:center}
.flow-meta .tag{font-size:12px}

/* ---------- 场景条目流 ---------- */
.scene-list{display:grid;gap:0;border-top:1px solid var(--line)}
.scene{
  display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:28px;align-items:center;
  padding:26px 0;border-bottom:1px solid var(--line);
  transition:background-color .18s ease,padding-left .18s ease;
}
.scene:hover{background:rgba(221,239,235,.35);padding-left:10px}
.scene h3{font-size:18px;line-height:1.5;margin-bottom:6px}
.scene p{font-size:15px;line-height:1.8;color:var(--ink-soft)}
.scene__tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}
.scene__tags .tag{white-space:nowrap}

/* ---------- 深色交付区 ---------- */
.dark-panel{
  position:relative;overflow:hidden;
  background:var(--brand-900);color:#fff;
}
.dark-panel::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at center, rgba(255,255,255,.16) 0 1.4px, transparent 1.5px);
  background-size:30px 30px;opacity:.28;
}
.dark-panel::after{
  content:"";position:absolute;right:-160px;top:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,111,77,.22),transparent 66%);pointer-events:none;
}
.dark-panel .container{position:relative;z-index:1}
.dark-panel .section-title{color:#fff}
.dark-panel .section-sub{color:rgba(255,255,255,.72)}
.dark-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;margin-top:8px}
.dark-grid p{color:rgba(255,255,255,.72);line-height:1.9}
.panel-checklist{display:grid;gap:16px;margin-top:6px}
.panel-checklist li{
  position:relative;padding:14px 18px 14px 46px;
  border:1px solid rgba(255,255,255,.14);border-radius:14px;
  font-size:15px;line-height:1.7;color:rgba(255,255,255,.9);
  background:rgba(255,255,255,.03);
}
.panel-checklist li::before{
  content:"";position:absolute;left:18px;top:21px;width:9px;height:9px;border-radius:3px;
  background:var(--accent-500);
}
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  margin-top:48px;padding-top:36px;border-top:1px solid rgba(255,255,255,.14);
}
.stat{padding:0 24px;border-left:1px solid rgba(255,255,255,.14)}
.stat:first-child{border-left:0;padding-left:0}
.stat__num{
  font-family:var(--font-num);font-feature-settings:"tnum";
  font-size:40px;font-weight:600;line-height:1.1;color:var(--accent-500);letter-spacing:-1px;
}
.stat__num span{font-size:16px;font-weight:600;margin-left:4px;color:rgba(255,255,255,.8)}
.stat__label{margin-top:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.66)}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:18px 4px;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--brand-700)}
.faq-icon{
  position:relative;flex:0 0 auto;width:32px;height:32px;border-radius:50%;
  border:1px solid var(--line);background:var(--white);
  transition:transform .2s ease,border-color .2s ease,background-color .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-700);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px;transition:opacity .2s ease}
.faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:var(--accent-500);background:var(--accent-100)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-item.is-open .faq-q{color:var(--brand-700)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a__inner{padding:0 4px 24px 20px;font-size:15px;line-height:1.9;color:var(--ink-soft)}
.faq-a__inner b{color:var(--ink);font-weight:700}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--brand-900);color:#fff;
  padding:44px 0;
}
.cta-band__bg{position:absolute;inset:0;background-image:url("/assets/images/backpic/back-1.png");background-size:cover;background-position:center;opacity:.16;pointer-events:none}
.cta-band .container{position:relative;z-index:1}
.cta-band__inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{font-size:24px;line-height:1.4;color:#fff}
.cta-band p{margin-top:8px;font-size:15px;color:rgba(255,255,255,.72);max-width:46em}
.cta-band .btn{height:52px;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo__text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:32em}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:#fff}
.footer-contact li{display:flex;gap:12px;font-size:14px;line-height:1.7}
.footer-contact .k{color:rgba(255,255,255,.5);flex:0 0 68px}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px 24px;padding-top:20px;font-size:13px;color:rgba(255,255,255,.5)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .page-head__grid{grid-template-columns:1fr 300px;gap:32px}
  .split{gap:40px}
  .flow-item{grid-template-columns:80px minmax(0,1fr) 180px;gap:20px}
}
@media (max-width:1023px){
  .nav__links{display:none}
  .header__actions .nav-cta{display:none}
  .nav-toggle{display:flex}
  .section{padding:72px 0}
  .page-head__grid{grid-template-columns:1fr;align-items:start}
  .page-head__aside{max-width:420px}
  .split{grid-template-columns:1fr;gap:28px}
  .split--reverse .media{order:0}
  .dark-grid{grid-template-columns:1fr;gap:32px}
  .stats{grid-template-columns:repeat(2,1fr);row-gap:28px}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .scene{grid-template-columns:1fr}
  .scene__tags{justify-content:flex-start}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .page-head{padding:24px 0 48px}
  .page-head h1{font-size:28px;line-height:1.38;margin:14px 0 12px}
  .page-head__lead{font-size:16px}
  .section{padding:56px 0}
  .section-head{margin-bottom:28px}
  .section-title{font-size:24px;padding-left:14px}
  .section-sub{font-size:15px}
  .anchor-bar{top:72px}
  .anchor-bar__inner{padding:12px 20px;gap:10px}
  .flow-item{grid-template-columns:1fr;gap:12px;padding:22px 0}
  .flow-num{font-size:26px}
  .flow-num small{display:inline;margin-left:8px}
  .flow-meta{flex-direction:row;flex-wrap:wrap;gap:8px}
  .scene{padding:20px 0}
  .stats{grid-template-columns:1fr;padding-top:28px}
  .stat{border-left:0;padding:0 0 0 0}
  .stat + .stat{border-top:1px solid rgba(255,255,255,.14);padding-top:20px}
  .stat__num{font-size:34px}
  .faq-q{font-size:16px;gap:14px}
  .faq-a__inner{padding-left:0}
  .cta-band__inner{flex-direction:column;align-items:flex-start;gap:20px}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:479px){
  .page-head h1{font-size:26px;line-height:1.34}
  .btn{width:100%;padding:14px 20px}
  .page-head__aside .btn,.header__actions .btn{width:100%}
  .media__badge{left:12px;bottom:12px;font-size:12px}
}

/* roulang page: category2 */
:root{
  --brand-900:#08302C;
  --brand-700:#0E5A50;
  --brand-500:#12897A;
  --brand-100:#DDEFEB;
  --accent-600:#E85C36;
  --accent-500:#FF6F4D;
  --accent-100:#FFE6DD;
  --sand-50:#FBF7F2;
  --sand-100:#F3ECE3;
  --line:#E3DAD0;
  --ink:#12211F;
  --ink-soft:#4A5C58;
  --white:#FFFFFF;
  --radius-card:18px;
  --radius-img:14px;
  --radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(18,33,31,.04),0 8px 24px -16px rgba(18,33,31,.18);
  --shadow-md:0 2px 6px rgba(18,33,31,.06),0 18px 40px -20px rgba(18,33,31,.24);
  --container:1200px;
  --header-h:72px;
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:28px;
  color:var(--ink);
  background:var(--sand-50);
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden;}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-700);text-decoration:none;transition:color var(--ease),text-underline-offset var(--ease);}
a:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(255,111,77,.35);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:var(--radius-btn);
  border:2px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  cursor:pointer;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  text-decoration:none;
  white-space:nowrap;
}
.btn:hover{text-decoration:none;}
.btn--primary{
  background:var(--accent-500);
  color:#fff;
  box-shadow:0 10px 22px -14px rgba(232,92,54,.9);
}
.btn--primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);box-shadow:0 16px 28px -16px rgba(232,92,54,.95);}
.btn--primary:active{transform:translateY(0);background:#D4512D;}
.btn--ghost{
  background:transparent;
  color:var(--brand-700);
  border-color:var(--brand-700);
}
.btn--ghost:hover{background:var(--brand-100);color:var(--brand-700);text-decoration:none;}
.btn--ghost:active{background:#CDE6E1;}
.btn--sm{padding:11px 22px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:600;
  color:var(--brand-700);
  transition:color var(--ease);
}
.link-arrow svg{transition:transform var(--ease);}
.link-arrow:hover{color:var(--brand-500);text-decoration:none;}
.link-arrow:hover svg{transform:translateX(3px);}

/* ============ 头部导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  height:var(--header-h);
  background:rgba(251,247,242,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px -24px rgba(18,33,31,.5);
  background:rgba(251,247,242,.98);
}
.header__inner{
  height:var(--header-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:18px;
  letter-spacing:-.2px;
  color:var(--brand-900);
  flex-shrink:0;
}
.logo:hover{text-decoration:none;color:var(--brand-900);}
.logo__mark{
  width:26px;height:26px;
  border-radius:50% 50% 50% 8px;
  background:var(--accent-500);
  position:relative;
  flex-shrink:0;
}
.logo__mark::after{
  content:"";
  position:absolute;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--sand-50);
  top:7px;left:8px;
}
.logo__text{white-space:nowrap;}
.nav__links{display:flex;align-items:center;gap:6px;}
.nav__link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--ink);
  border-radius:8px;
  transition:color var(--ease),background var(--ease);
}
.nav__link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  background:var(--accent-500);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--ease);
  border-radius:2px;
}
.nav__link:hover{color:var(--brand-700);text-decoration:none;}
.nav__link:hover::after{transform:scaleX(1);}
.nav__link.is-active{color:var(--brand-700);font-weight:600;}
.nav__link.is-active::after{transform:scaleX(1);}
.header__actions{display:flex;align-items:center;gap:12px;}
.nav__cta{height:44px;padding:0 22px;font-size:15px;border-radius:var(--radius-btn);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:10px;
  cursor:pointer;
  transition:background var(--ease),border-color var(--ease);
}
.nav-toggle:hover{background:var(--brand-100);border-color:var(--brand-100);}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--brand-900);
  position:relative;
  transition:background var(--ease);
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;height:2px;
  background:var(--brand-900);
  transition:transform var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg);}

/* 移动抽屉 */
.drawer{
  position:fixed;
  inset:var(--header-h) 0 0 0;
  background:var(--sand-50);
  z-index:99;
  padding:24px 24px 120px;
  display:flex;
  flex-direction:column;
  gap:8px;
  overflow-y:auto;
  transform:translateY(-8px);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer__link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px 18px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  background:var(--white);
  border:1px solid var(--line);
  border-radius:12px;
}
.drawer__link:hover{text-decoration:none;color:var(--brand-700);border-color:var(--brand-100);background:var(--brand-100);}
.drawer__link.is-active{color:var(--brand-700);border-color:var(--brand-700);}
.drawer__foot{
  position:fixed;
  left:0;right:0;bottom:0;
  padding:16px 24px 20px;
  background:var(--sand-50);
  border-top:1px solid var(--line);
}
.drawer__foot .btn{width:100%;height:52px;}

/* ============ 页头带 ============ */
.page-head{
  background:var(--sand-100);
  padding:calc(var(--header-h) + 44px) 0 64px;
  border-bottom:1px solid var(--line);
}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:14px;
  line-height:24px;
  color:var(--ink-soft);
  margin-bottom:26px;
}
.breadcrumb a{color:var(--ink-soft);}
.breadcrumb a:hover{color:var(--brand-700);}
.breadcrumb .sep{color:#B9ADA1;}
.breadcrumb .current{color:var(--ink-soft);text-decoration:none;}
.page-head__grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 260px;
  gap:48px;
  align-items:end;
}
.page-head h1{
  font-size:40px;
  line-height:48px;
  font-weight:800;
  letter-spacing:-.5px;
  color:var(--brand-900);
  max-width:16em;
}
.page-head__desc{
  margin-top:18px;
  font-size:16px;
  line-height:28px;
  color:var(--ink-soft);
  max-width:46em;
}
.page-head__side{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:14px;
  padding-bottom:6px;
}
.page-head__note{
  font-size:14px;
  line-height:24px;
  color:var(--ink-soft);
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  line-height:20px;
  background:var(--accent-100);
  color:var(--accent-600);
  border:1px solid rgba(232,92,54,.22);
}
.badge--green{background:var(--brand-100);color:var(--brand-700);border-color:rgba(14,90,80,.18);}

/* ============ 锚点条 ============ */
.anchor-bar{
  position:sticky;
  top:var(--header-h);
  z-index:80;
  background:var(--sand-50);
  border-bottom:1px solid var(--line);
  box-shadow:0 12px 24px -26px rgba(18,33,31,.6);
}
.anchor-bar__list{
  display:flex;
  gap:10px;
  padding:14px 0;
  overflow-x:auto;
  scrollbar-width:none;
}
.anchor-bar__list::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;
  align-items:center;
  padding:9px 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--white);
  font-size:14px;
  font-weight:600;
  color:var(--ink-soft);
  white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease);
}
.chip:hover{background:var(--brand-100);color:var(--brand-700);border-color:var(--brand-100);text-decoration:none;transform:translateY(-1px);}
.chip:active{transform:translateY(0);}
.chip.is-active{background:var(--brand-700);border-color:var(--brand-700);color:#fff;}

/* ============ 板块 ============ */
.section{padding:96px 0;}
.section--white{background:var(--white);}
.section--sand{background:var(--sand-100);}
.section--dark{
  background:var(--brand-900);
  color:rgba(255,255,255,.86);
  position:relative;
  overflow:hidden;
}
.section--dark::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.06;
  pointer-events:none;
}
.section--dark > .container{position:relative;z-index:1;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  line-height:18px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--brand-500);
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:4px;height:14px;
  border-radius:2px;
  background:var(--accent-500);
}
.section--dark .eyebrow{color:var(--accent-500);}
.section h2{
  font-size:30px;
  line-height:40px;
  font-weight:700;
  letter-spacing:-.3px;
  color:var(--brand-900);
  max-width:24em;
}
.section--dark h2{color:#fff;}
.section h3{
  font-size:22px;
  line-height:32px;
  font-weight:600;
  color:var(--brand-900);
}
.section--dark h3{color:#fff;}
.lead{
  margin-top:16px;
  font-size:16px;
  line-height:28px;
  color:var(--ink-soft);
  max-width:52em;
}
.section--dark .lead{color:rgba(255,255,255,.74);}
.section__head{margin-bottom:40px;max-width:60em;}

/* 图文横排 */
.split{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:56px;
  align-items:center;
}
.split + .split{margin-top:72px;}
.split--reverse .split__media{order:2;}
.split--reverse .split__body{order:1;}
.split__media{
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-md);
  background:var(--brand-100);
  position:relative;
}
.split__media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:var(--radius-card);
  transition:transform 400ms ease;
}
.split__media:hover img{transform:scale(1.03);}
.split__tag{
  position:absolute;
  left:18px;top:18px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(8,48,44,.82);
  color:#fff;
  font-size:13px;
  font-weight:600;
  line-height:20px;
  letter-spacing:.02em;
}
.split__body .lead{margin-top:14px;}
.check-list{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.check-list li{
  display:flex;
  gap:12px;
  font-size:15px;
  line-height:26px;
  color:var(--ink-soft);
}
.check-list li strong{color:var(--ink);font-weight:600;}
.check-list .tick{
  flex-shrink:0;
  width:22px;height:22px;
  margin-top:2px;
  border-radius:7px;
  background:var(--brand-100);
  color:var(--brand-700);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  font-weight:700;
}
.section--dark .check-list li{color:rgba(255,255,255,.74);}
.section--dark .check-list li strong{color:#fff;}
.section--dark .check-list .tick{background:rgba(255,255,255,.12);color:var(--accent-500);}

/* 编号流程流 */
.flow-list{
  display:flex;
  flex-direction:column;
  gap:0;
  margin-top:8px;
  border-top:1px solid rgba(255,255,255,.14);
}
.flow-item{
  display:grid;
  grid-template-columns:88px minmax(0,1fr) 200px;
  gap:28px;
  align-items:start;
  padding:28px 4px;
  border-bottom:1px solid rgba(255,255,255,.14);
  transition:background var(--ease);
}
.flow-item:hover{background:rgba(255,255,255,.04);}
.flow-num{
  font-family:"DIN Alternate","Bahnschrift",ui-monospace,monospace;
  font-variant-numeric:tabular-nums;
  font-size:32px;
  line-height:1;
  font-weight:700;
  color:var(--accent-500);
  letter-spacing:.02em;
}
.flow-item h3{font-size:19px;line-height:28px;margin-bottom:8px;}
.flow-item p{font-size:15px;line-height:26px;color:rgba(255,255,255,.7);max-width:40em;}
.flow-meta{
  font-size:13px;
  line-height:22px;
  color:rgba(255,255,255,.56);
  text-align:right;
  padding-top:4px;
}

/* 数据带 */
.stat-band{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
  margin-top:8px;
  border-radius:var(--radius-card);
  background:var(--white);
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.stat{
  padding:32px 26px;
  border-left:1px solid var(--line);
}
.stat:first-child{border-left:none;}
.stat__num{
  font-family:"DIN Alternate","Bahnschrift",ui-monospace,monospace;
  font-variant-numeric:tabular-nums;
  font-size:40px;
  line-height:1;
  font-weight:700;
  color:var(--accent-500);
  letter-spacing:-.5px;
}
.stat__num small{font-size:16px;font-weight:600;margin-left:4px;color:var(--accent-600);}
.stat__label{
  margin-top:12px;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  line-height:24px;
}
.stat__note{margin-top:6px;font-size:14px;line-height:24px;color:var(--ink-soft);}

/* 规格清单双列 */
.spec-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
  margin-top:40px;
}
.spec-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px;
  box-shadow:var(--shadow-sm);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.spec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-100);}
.spec-card h3{font-size:18px;line-height:28px;margin-bottom:10px;}
.spec-card p{font-size:15px;line-height:26px;color:var(--ink-soft);}

/* 场景条 */
.scene-strip{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
  margin-top:40px;
}
.scene-item{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--white);
  padding:24px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scene-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-100);}
.scene-item h3{font-size:17px;line-height:26px;margin:12px 0 8px;}
.scene-item p{font-size:14px;line-height:24px;color:var(--ink-soft);}

/* FAQ */
.faq{
  margin-top:8px;
  border-top:1px solid var(--line);
  max-width:900px;
}
.faq__item{border-bottom:1px solid var(--line);}
.faq__q{
  width:100%;
  min-height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:18px 0;
  background:none;
  border:none;
  text-align:left;
  font-size:17px;
  line-height:28px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  transition:color var(--ease);
}
.faq__q:hover{color:var(--brand-700);}
.faq__icon{
  flex-shrink:0;
  width:32px;height:32px;
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--white);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  position:relative;
  transition:transform 200ms ease,background var(--ease),border-color var(--ease);
}
.faq__icon::before,.faq__icon::after{
  content:"";
  position:absolute;
  background:var(--brand-700);
  border-radius:2px;
  transition:background var(--ease);
}
.faq__icon::before{width:12px;height:2px;}
.faq__icon::after{width:2px;height:12px;}
.faq__item.is-open .faq__icon{transform:rotate(45deg);background:var(--accent-100);border-color:rgba(232,92,54,.3);}
.faq__item.is-open .faq__icon::before,.faq__item.is-open .faq__icon::after{background:var(--accent-600);}
.faq__a{
  max-height:0;
  overflow:hidden;
  transition:max-height 220ms ease;
}
.faq__a-inner{
  padding:0 0 24px 24px;
  font-size:15px;
  line-height:1.9;
  color:var(--ink-soft);
  max-width:52em;
}

/* 窄幅 CTA */
.mini-cta{
  background:var(--brand-900);
  position:relative;
  overflow:hidden;
  padding:44px 0;
}
.mini-cta::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(circle at 20% 120%,rgba(255,111,77,.16) 0%,transparent 46%),
                   radial-gradient(circle at 80% -20%,rgba(18,137,122,.22) 0%,transparent 50%);
  pointer-events:none;
}
.mini-cta__inner{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.mini-cta h2{
  font-size:24px;
  line-height:34px;
  font-weight:700;
  color:#fff;
  letter-spacing:-.2px;
}
.mini-cta p{
  margin-top:8px;
  font-size:15px;
  line-height:26px;
  color:rgba(255,255,255,.72);
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-900);
  color:rgba(255,255,255,.72);
  padding:72px 0 0;
  border-top:1px solid rgba(255,255,255,.12);
  position:relative;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(circle at 12% 0%,rgba(18,137,122,.28) 0%,transparent 42%),
                   radial-gradient(circle at 88% 100%,rgba(255,111,77,.14) 0%,transparent 44%);
  opacity:.5;
  pointer-events:none;
}
.site-footer .container{position:relative;z-index:1;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:56px;
}
.footer-brand .logo{color:#fff;margin-bottom:18px;}
.footer-brand .logo:hover{color:#fff;}
.footer-brand p{
  font-size:14px;
  line-height:26px;
  color:rgba(255,255,255,.68);
  max-width:32em;
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  line-height:24px;
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{
  font-size:14px;
  line-height:24px;
  color:rgba(255,255,255,.72);
}
.footer-col a:hover{color:#fff;text-decoration:none;}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:14px;
  line-height:24px;
  color:rgba(255,255,255,.72);
}
.footer-contact .k{color:rgba(255,255,255,.5);flex-shrink:0;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:8px 20px;
  padding:22px 0 28px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  line-height:22px;
  color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .page-head__grid{grid-template-columns:minmax(0,1fr) 220px;gap:32px;}
  .split{gap:40px;}
  .flow-item{grid-template-columns:72px minmax(0,1fr) 160px;gap:20px;}
}
@media (max-width:1023px){
  .nav__links{display:none;}
  .nav-toggle{display:inline-flex;}
  .page-head{padding:calc(var(--header-h) + 32px) 0 52px;}
  .page-head__grid{grid-template-columns:minmax(0,1fr);gap:26px;}
  .page-head__side{flex-direction:row;align-items:center;gap:18px;flex-wrap:wrap;}
  .page-head h1{font-size:34px;line-height:44px;}
  .section{padding:72px 0;}
  .split{grid-template-columns:minmax(0,1fr);gap:28px;}
  .split--reverse .split__media{order:0;}
  .split--reverse .split__body{order:1;}
  .split + .split{margin-top:56px;}
  .stat-band{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat:nth-child(odd){border-left:none;}
  .stat:nth-child(n+3){border-top:1px solid var(--line);}
  .scene-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow-item{grid-template-columns:64px minmax(0,1fr);gap:16px;}
  .flow-meta{grid-column:2;text-align:left;padding-top:0;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px;}
  .mini-cta__inner{flex-direction:column;align-items:flex-start;gap:22px;}
}
@media (max-width:767px){
  :root{--header-h:64px;}
  .container{padding:0 20px;}
  .logo{font-size:16px;}
  .nav__cta{display:none;}
  .header__actions .btn--primary{display:none;}
  .page-head h1{font-size:28px;line-height:38px;}
  .page-head__desc{font-size:15px;line-height:26px;}
  .section{padding:56px 0;}
  .section h2{font-size:24px;line-height:34px;}
  .section h3{font-size:19px;line-height:28px;}
  .lead{font-size:15px;line-height:26px;}
  .section__head{margin-bottom:28px;}
  .split__media img{aspect-ratio:16/12;}
  .spec-grid{grid-template-columns:minmax(0,1fr);}
  .scene-strip{grid-template-columns:minmax(0,1fr);}
  .stat-band{grid-template-columns:minmax(0,1fr);}
  .stat{border-left:none;border-top:1px solid var(--line);padding:24px 22px;}
  .stat:first-child{border-top:none;}
  .stat__num{font-size:34px;}
  .faq__q{font-size:16px;line-height:26px;min-height:56px;}
  .faq__a-inner{padding-left:0;}
  .mini-cta{padding:36px 0;}
  .mini-cta h2{font-size:21px;line-height:30px;}
  .mini-cta .btn{width:100%;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:32px;padding-bottom:40px;}
  .site-footer{padding-top:56px;}
  .anchor-bar{top:var(--header-h);}
  .flow-item{grid-template-columns:minmax(0,1fr);gap:10px;padding:22px 2px;}
  .flow-num{font-size:26px;}
  .flow-meta{grid-column:1;}
  .btn-row .btn{width:100%;}
}
@media (max-width:479px){
  .page-head h1{font-size:26px;line-height:34px;}
  .section h2{font-size:22px;line-height:32px;}
  .badge{font-size:12px;}
  .anchor-bar__list{padding:12px 0;gap:8px;}
  .chip{padding:8px 14px;font-size:13px;}
}

/* roulang page: category3 */
:root{
  --brand-900:#08302C;
  --brand-700:#0E5A50;
  --brand-500:#12897A;
  --brand-100:#DDEFEB;
  --accent-600:#E85C36;
  --accent-500:#FF6F4D;
  --accent-100:#FFE6DD;
  --neon:#3EE0C4;
  --sand-50:#FBF7F2;
  --sand-100:#F3ECE3;
  --line:#E3DAD0;
  --ink:#12211F;
  --ink-soft:#4A5C58;
  --white:#FFFFFF;
  --radius-card:18px;
  --radius-img:14px;
  --radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(18,33,31,.04),0 8px 24px -16px rgba(18,33,31,.18);
  --shadow-md:0 2px 6px rgba(18,33,31,.06),0 18px 40px -20px rgba(18,33,31,.24);
  --header-h:72px;
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--sand-50);
  -webkit-font-smoothing:antialiased;
}
body.drawer-open{overflow:hidden;}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-700);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand-500);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:3px solid rgba(255,111,77,.4);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(140%) blur(8px);
  transition:box-shadow var(--ease),border-color var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 26px -20px rgba(18,33,31,.45);
}
.header-inner{
  height:var(--header-h);
  display:flex;
  align-items:center;
  gap:28px;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);flex:none;}
.logo:hover{color:var(--ink);}
.logo__mark{
  width:26px;height:26px;
  border-radius:50% 50% 50% 5px;
  background:var(--accent-500);
  transform:rotate(-45deg);
  flex:none;
  box-shadow:0 6px 14px -8px rgba(255,111,77,.9);
}
.logo__text{
  font-size:19px;
  font-weight:800;
  letter-spacing:-.2px;
  white-space:nowrap;
}
.nav__links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav__link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 14px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-soft);
  border-radius:8px;
  transition:color var(--ease),background var(--ease);
}
.nav__link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--accent-500);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--ease);
}
.nav__link:hover{color:var(--brand-700);background:var(--sand-50);}
.nav__link:hover::after{transform:scaleX(1);}
.nav__link.is-active{color:var(--brand-700);font-weight:700;}
.nav__link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;flex:none;}
.header-cta{height:44px;padding:0 22px;font-size:15px;border-radius:var(--radius-btn);}
.burger{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  transition:border-color var(--ease),background var(--ease);
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:var(--ease);}
.burger:hover{border-color:var(--brand-100);background:var(--sand-50);}
.burger:active{transform:scale(.97);}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;
  inset:0;
  z-index:200;
  background:rgba(8,48,44,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity 220ms ease,visibility 220ms ease;
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer__panel{
  position:absolute;
  top:0;right:0;
  width:min(360px,88vw);
  height:100%;
  background:#fff;
  padding:20px 20px 28px;
  display:flex;
  flex-direction:column;
  transform:translateX(100%);
  transition:transform 260ms cubic-bezier(.3,.8,.3,1);
  overflow-y:auto;
}
.drawer.is-open .drawer__panel{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--line);}
.drawer__close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--ink-soft);
  transition:var(--ease);
}
.drawer__close:hover{background:var(--sand-50);color:var(--ink);}
.drawer__links{display:flex;flex-direction:column;gap:4px;padding:18px 0;flex:1;}
.drawer__link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 12px;border-radius:12px;font-size:16px;font-weight:500;color:var(--ink);
  transition:var(--ease);
}
.drawer__link:hover{background:var(--sand-50);color:var(--brand-700);}
.drawer__link.is-active{background:var(--brand-100);color:var(--brand-700);font-weight:700;}
.drawer__cta{width:100%;height:50px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-weight:600;
  font-size:15px;
  border-radius:var(--radius-btn);
  border:2px solid transparent;
  text-align:center;
  white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.btn--primary{
  background:var(--accent-500);
  color:#fff;
  padding:12px 26px;
  box-shadow:0 12px 26px -16px rgba(255,111,77,.95);
}
.btn--primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);box-shadow:0 16px 30px -16px rgba(232,92,54,.9);}
.btn--primary:active{transform:translateY(0);filter:brightness(.95);}
.btn--primary:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(255,111,77,.35);}
.btn--ghost{
  background:transparent;
  color:var(--brand-700);
  border-color:var(--brand-700);
  padding:11px 24px;
}
.btn--ghost:hover{background:var(--brand-100);color:var(--brand-700);}
.btn--ghost:active{transform:translateY(1px);}
.btn--ghost:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,90,80,.18);}
.btn--outline-light{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.55);
  padding:11px 24px;
}
.btn--outline-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.btn--outline-light:active{transform:translateY(1px);}
.btn--lg{height:52px;padding:0 32px;font-size:16px;}
.btn--sm{height:44px;padding:0 20px;font-size:15px;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:600;color:var(--brand-700);font-size:15px;
}
.text-link:hover{color:var(--brand-500);}
.text-link .arrow{transition:transform var(--ease);}
.text-link:hover .arrow{transform:translateX(3px);}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  background:var(--sand-100);
  padding:48px 0 56px;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(circle,rgba(14,90,80,.055) 1px,transparent 1px);
  background-size:26px 26px;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-soft);flex-wrap:wrap;}
.crumbs a{color:var(--ink-soft);}
.crumbs a:hover{color:var(--brand-700);}
.crumbs .sep{color:#B9AEA2;}
.crumbs .cur{color:var(--ink-soft);font-weight:600;}
.page-hero__grid{
  display:grid;
  grid-template-columns:1.55fr .85fr;
  gap:48px;
  align-items:end;
  margin-top:26px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--brand-500);
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";width:18px;height:4px;border-radius:2px;background:var(--accent-500);
}
.eyebrow--light{color:var(--neon);}
.page-hero h1{
  margin:16px 0 18px;
  font-size:40px;
  line-height:1.32;
  font-weight:800;
  letter-spacing:-.5px;
  max-width:16em;
}
.page-hero__lead{
  font-size:16px;
  line-height:1.95;
  color:var(--ink-soft);
  max-width:44em;
}
.page-hero__aside{
  display:flex;
  flex-direction:column;
  gap:20px;
  align-items:flex-start;
  padding:24px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
}
.hero-facts{display:flex;flex-direction:column;gap:10px;width:100%;}
.hero-facts li{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:var(--ink-soft);
}
.hero-facts li::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--brand-500);flex:none;
}

/* ---------- anchor bar ---------- */
.anchor-bar{
  position:sticky;
  top:var(--header-h);
  z-index:90;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 12px 24px -24px rgba(18,33,31,.6);
}
.anchor-bar__inner{
  display:flex;
  gap:10px;
  padding-top:14px;
  padding-bottom:14px;
  overflow-x:auto;
  scrollbar-width:none;
}
.anchor-bar__inner::-webkit-scrollbar{display:none;}
.anchor-pill{
  flex:none;
  display:inline-flex;align-items:center;
  height:38px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--sand-50);
  font-size:14px;
  font-weight:600;
  color:var(--ink-soft);
  transition:var(--ease);
}
.anchor-pill:hover{color:var(--brand-700);border-color:var(--brand-100);background:var(--brand-100);}
.anchor-pill.is-active{background:var(--brand-900);border-color:var(--brand-900);color:#fff;}
.anchor-pill:active{transform:scale(.98);}

/* ---------- sections ---------- */
.section{padding:96px 0;}
.section--white{background:#fff;}
.section--sand{background:var(--sand-50);}
.section--sand100{background:var(--sand-100);}
.section--dark{position:relative;background:var(--brand-900);color:#E7F1EF;overflow:hidden;}
.section--dark::before{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(circle,rgba(255,255,255,.075) 1px,transparent 1px);
  background-size:24px 24px;
  opacity:.85;
  pointer-events:none;
}
.section--dark .container{position:relative;z-index:1;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{
  margin:14px 0 14px;
  font-size:30px;
  line-height:1.4;
  font-weight:700;
  letter-spacing:-.3px;
}
.section-head p{font-size:16px;line-height:1.95;color:var(--ink-soft);}
.section--dark .section-head h2{color:#fff;}
.section--dark .section-head p{color:rgba(231,241,239,.76);}
.section[id]{scroll-margin-top:150px;}

/* ---------- split ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.split__text h2{
  margin:14px 0 16px;
  font-size:30px;
  line-height:1.4;
  font-weight:700;
  letter-spacing:-.3px;
}
.split__text > p{color:var(--ink-soft);font-size:16px;line-height:1.95;margin-bottom:22px;}
.check-list{display:flex;flex-direction:column;gap:14px;margin-bottom:26px;}
.check-list li{
  position:relative;
  padding-left:30px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink);
}
.check-list li::before{
  content:"";
  position:absolute;left:0;top:9px;
  width:16px;height:16px;
  border-radius:5px;
  background:var(--brand-100);
  border:1px solid rgba(18,137,122,.35);
}
.check-list li::after{
  content:"";
  position:absolute;left:5px;top:13px;
  width:6px;height:3px;
  border-left:2px solid var(--brand-700);
  border-bottom:2px solid var(--brand-700);
  transform:rotate(-45deg);
}
.split__media{
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-md);
  background:var(--brand-100);
  aspect-ratio:4/3;
}
.split__media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.split__media:hover img{transform:scale(1.03);}

/* ---------- steps ---------- */
.steps{border-top:1px solid var(--line);}
.step{
  display:grid;
  grid-template-columns:76px 1fr;
  gap:24px;
  padding:26px 0;
  border-bottom:1px solid var(--line);
  align-items:start;
}
.step__num{
  font-family:"DIN Alternate",Bahnschrift,ui-monospace,monospace;
  font-size:22px;
  font-weight:700;
  color:var(--accent-500);
  font-variant-numeric:tabular-nums;
  line-height:1.5;
}
.step h3{font-size:19px;line-height:1.5;font-weight:600;margin-bottom:6px;}
.step p{font-size:15px;line-height:1.9;color:var(--ink-soft);}
.step:hover .step__num{color:var(--accent-600);}

/* ---------- metrics ---------- */
.metrics{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  margin-top:8px;
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-card);
  overflow:hidden;
  background:rgba(255,255,255,.03);
}
.metric{
  padding:30px 24px;
  border-right:1px solid rgba(255,255,255,.12);
}
.metric:last-child{border-right:0;}
.metric__num{
  display:flex;
  align-items:baseline;
  gap:6px;
  font-family:"DIN Alternate",Bahnschrift,ui-monospace,monospace;
  font-size:40px;
  font-weight:600;
  color:var(--accent-500);
  font-variant-numeric:tabular-nums;
  line-height:1.1;
}
.metric__num span{font-size:15px;font-family:inherit;color:rgba(231,241,239,.7);font-weight:500;}
.metric__note{
  margin-top:10px;
  font-size:14px;
  line-height:1.75;
  color:rgba(231,241,239,.75);
}

/* ---------- scenes ---------- */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.scene{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px;
  box-shadow:var(--shadow-sm);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scene:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-100);}
.scene__tag{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;
  border-radius:999px;
  background:var(--accent-100);
  color:var(--accent-600);
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
  margin-bottom:14px;
}
.scene h3{font-size:19px;line-height:1.5;font-weight:600;margin-bottom:10px;}
.scene p{font-size:15px;line-height:1.9;color:var(--ink-soft);}

/* ---------- faq ---------- */
.faq{max-width:860px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 0;
  font-size:17px;
  font-weight:600;
  line-height:1.7;
  color:var(--ink);
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-700);}
.faq-item summary::after{
  content:"";
  flex:none;
  width:30px;height:30px;
  border-radius:50%;
  border:1px solid var(--line);
  background-color:#fff;
  background-image:linear-gradient(var(--brand-700),var(--brand-700)),linear-gradient(var(--brand-700),var(--brand-700));
  background-size:12px 2px,2px 12px;
  background-position:center,center;
  background-repeat:no-repeat;
  transition:transform var(--ease),background-color var(--ease),border-color var(--ease);
}
.faq-item[open] summary{color:var(--brand-700);}
.faq-item[open] summary::after{
  transform:rotate(45deg);
  background-color:var(--accent-100);
  border-color:rgba(255,111,77,.4);
  background-image:linear-gradient(var(--accent-600),var(--accent-600)),linear-gradient(var(--accent-600),var(--accent-600));
}
.faq-item__body{
  padding:0 0 22px 24px;
  font-size:15px;
  line-height:1.95;
  color:var(--ink-soft);
  max-width:70ch;
}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;
  padding:72px 0;
  background-color:var(--brand-900);
  background-image:linear-gradient(rgba(8,48,44,.9),rgba(8,48,44,.94)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(circle,rgba(62,224,196,.16) 1px,transparent 1px);
  background-size:30px 30px;
  opacity:.4;
  pointer-events:none;
}
.cta-band__inner{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
}
.cta-band__text h2{
  font-size:28px;
  line-height:1.4;
  font-weight:700;
  margin-bottom:10px;
  letter-spacing:-.3px;
}
.cta-band__text p{font-size:15px;line-height:1.9;color:rgba(255,255,255,.78);max-width:52ch;}
.cta-band__actions{display:flex;gap:14px;flex:none;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--brand-900);
  color:rgba(255,255,255,.72);
  padding:64px 0 28px;
  position:relative;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(circle,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:26px 26px;
  pointer-events:none;
}
.site-footer .container{position:relative;z-index:1;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo__text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);max-width:34ch;}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.8;}
.footer-contact .k{color:rgba(255,255,255,.45);flex:none;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:14px 28px;
  padding-top:22px;
  font-size:13px;
  color:rgba(255,255,255,.45);
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .page-hero h1{font-size:36px;}
  .split{gap:40px;}
}
@media (max-width:1023px){
  .nav__links{display:none;}
  .burger{display:flex;}
  .header-cta{display:none;}
  .page-hero__grid{grid-template-columns:1fr;gap:32px;align-items:start;}
  .page-hero h1{font-size:32px;max-width:none;}
  .page-hero__aside{width:100%;}
  .split{grid-template-columns:1fr;gap:32px;}
  .split__media{aspect-ratio:16/10;order:-1;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .metric{border-right:1px solid rgba(255,255,255,.12);}
  .metric:nth-child(2n){border-right:0;}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid rgba(255,255,255,.12);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
  .section-head h2,.split__text h2{font-size:26px;}
  .cta-band__inner{flex-direction:column;align-items:flex-start;gap:26px;}
}
@media (max-width:767px){
  :root{--header-h:64px;}
  .container{padding:0 20px;}
  .logo__text{font-size:17px;}
  .page-hero{padding:34px 0 44px;}
  .page-hero h1{font-size:28px;line-height:1.38;}
  .page-hero__lead{font-size:15px;}
  .anchor-bar__inner{padding-top:12px;padding-bottom:12px;}
  .section{padding:56px 0;}
  .section[id]{scroll-margin-top:130px;}
  .section-head{margin-bottom:28px;}
  .section-head h2,.split__text h2{font-size:24px;line-height:1.42;}
  .step{grid-template-columns:52px 1fr;gap:16px;padding:22px 0;}
  .step__num{font-size:19px;}
  .scene-grid{grid-template-columns:1fr;}
  .metrics{grid-template-columns:1fr;}
  .metric{border-right:0;border-bottom:1px solid rgba(255,255,255,.12);padding:24px 20px;}
  .metric:last-child{border-bottom:0;}
  .metric__num{font-size:34px;}
  .faq-item summary{font-size:16px;padding:18px 0;}
  .faq-item__body{padding-left:0;}
  .cta-band{padding:56px 0;}
  .cta-band__text h2{font-size:23px;}
  .cta-band__actions{width:100%;flex-direction:column;}
  .cta-band__actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:32px;}
  .site-footer{padding:48px 0 24px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:479px){
  .page-hero h1{font-size:26px;line-height:1.36;}
  .btn--lg{width:100%;}
  .split__media{aspect-ratio:4/3;}
  .hero-facts li{font-size:13px;}
}