/* roulang page: index */
:root{
  --brand-700:#0A5C43;--brand-600:#0E7A57;--brand-500:#16A06F;--brand-400:#3DBE8C;--brand-100:#E4F5EC;
  --accent-500:#FF6A2B;--accent-400:#FF8A47;--accent-100:#FFEDE3;
  --spark-400:#2FD4C0;
  --ink-900:#0C1A16;--ink-600:#4A5B55;--ink-400:#8A9995;
  --line:#DCE6E0;--bg:#F7F9F7;--bg-alt:#EDF4EF;--dark:#08211A;
  --grad-brand:linear-gradient(135deg,#0A5C43 0%,#16A06F 45%,#2FD4C0 100%);
  --grad-cta:linear-gradient(120deg,#FF6A2B 0%,#FF8A47 100%);
  --grad-dark:linear-gradient(135deg,#08211A 0%,#0E3A2C 100%);
  --r-card:20px;--r-block:32px;--r-pill:999px;--r-input:12px;--r-img:16px;
  --shadow-sm:0 2px 6px rgba(12,26,22,.06);
  --shadow-md:0 2px 6px rgba(12,26,22,.06),0 18px 40px -16px rgba(12,26,22,.18);
  --shadow-lg:0 4px 10px rgba(12,26,22,.07),0 26px 56px -20px rgba(12,26,22,.24);
  --gap-sec:56px;
}
@media (min-width:1024px){:root{--gap-sec:96px}}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink-600);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;font-weight:400;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-900);letter-spacing:0;line-height:1.25}
h1{font-size:clamp(30px,5vw,52px);line-height:1.15;font-weight:700}
h2{font-size:clamp(24px,3.4vw,38px);font-weight:700}
h3{font-size:20px;font-weight:600;line-height:1.4}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--spark-400);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}
@media (min-width:1280px){.container{max-width:1280px}}
.section{padding:var(--gap-sec) 0;scroll-margin-top:88px}
.section-alt{background:var(--bg-alt)}
.section-head{display:flex;flex-direction:column;gap:14px;max-width:760px;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;align-items:center}
.section-head p{font-size:16px;color:var(--ink-600)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  background:var(--brand-100);color:var(--brand-700);
  font-size:13px;font-weight:600;line-height:1;padding:9px 14px;border-radius:var(--r-pill);
}
.section-head.center .eyebrow{align-self:center}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500)}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease,filter .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 10px 24px -12px rgba(255,106,43,.75)}
.btn-primary:hover{filter:brightness(1.04);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);filter:brightness(.98)}
.btn-brand{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px -14px rgba(10,92,67,.8)}
.btn-brand:hover{filter:brightness(1.05);transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--ink-900);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-700)}
.btn-light{background:#fff;color:var(--brand-700)}
.btn-light:hover{transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-1px)}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;filter:none}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-weight:600;font-size:15px}
.link-more svg{transition:transform .18s ease}
.link-more:hover svg{transform:translateX(3px)}

/* Badges */
.badge{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;
  border-radius:var(--r-pill);background:var(--brand-100);color:var(--brand-700);
  font-size:13px;font-weight:600;line-height:1;
}
.badge b{font-variant-numeric:tabular-nums;font-size:14px;font-weight:700}
.badge-dark{background:rgba(255,255,255,.14);color:#fff}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:var(--r-pill);
  background:var(--accent-100);color:#B8420F;font-size:12.5px;font-weight:600;line-height:1;
}
.tag-green{background:var(--brand-100);color:var(--brand-700)}

/* Header */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  position:relative;width:36px;height:36px;border-radius:12px;background:var(--grad-brand);
  box-shadow:0 8px 18px -10px rgba(10,92,67,.9);overflow:hidden;flex-shrink:0;
}
.logo-mark::before{content:"";position:absolute;inset:9px 7px;border:2px solid rgba(255,255,255,.85);border-radius:50%}
.logo-mark::after{content:"";position:absolute;left:7px;right:7px;top:50%;height:2px;background:rgba(255,255,255,.9);transform:translateY(-50%)}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:19px;font-weight:700;color:var(--ink-900);letter-spacing:0}
.logo-text span{font-size:11.5px;color:var(--ink-400);letter-spacing:.06em}
.main-nav{display:none}
@media (min-width:1024px){.main-nav{display:flex;align-items:center;gap:4px}}
.main-nav a{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;
  font-size:15px;font-weight:500;color:var(--ink-600);border-radius:10px;transition:color .18s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:8px;height:2px;border-radius:2px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.main-nav a:hover{color:var(--brand-600)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--brand-600);font-weight:600}
.main-nav a.active::after{transform:scaleX(1)}
.header-cta{display:none}
@media (min-width:1024px){.header-cta{display:inline-flex}}

/* Hero */
.hero{
  position:relative;overflow:hidden;padding:44px 0 56px;
  background:
    radial-gradient(1000px 420px at 88% -12%,rgba(47,212,192,.16),transparent 62%),
    radial-gradient(720px 340px at 4% 108%,rgba(22,160,111,.12),transparent 60%),
    var(--bg);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(12,26,22,.06) 1px,transparent 1px);
  background-size:22px 22px;
  mask-image:linear-gradient(120deg,rgba(0,0,0,.9),transparent 62%);
  -webkit-mask-image:linear-gradient(120deg,rgba(0,0,0,.9),transparent 62%);
}
.hero-inner{position:relative;z-index:1;display:grid;gap:40px;align-items:center}
@media (min-width:1024px){.hero-inner{grid-template-columns:1.05fr .95fr;gap:56px}}
.hero-copy h1{margin:18px 0 0}
.hero-copy .lede{margin-top:18px;font-size:17px;line-height:1.85;color:var(--ink-600);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-media{position:relative;border-radius:24px;overflow:visible}
.hero-media img{
  width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:24px;
  box-shadow:var(--shadow-md);background:var(--bg-alt);
}
.hero-float{
  position:absolute;right:14px;bottom:-18px;background:#fff;border:1px solid var(--line);
  border-radius:18px;box-shadow:var(--shadow-md);padding:16px 18px;min-width:210px;
}
.hero-float .k{font-size:12.5px;color:var(--ink-400);line-height:1.5}
.hero-float .v{font-size:26px;font-weight:700;color:var(--ink-900);line-height:1.2;font-variant-numeric:tabular-nums}
.hero-float .v em{font-style:normal;font-size:14px;font-weight:600;color:var(--brand-600);margin-left:4px}

/* Feature grid 1+2+3 */
.feature-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:768px){.feature-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.feature-grid{grid-template-columns:repeat(3,1fr)}}
.f-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;overflow:hidden;
}
.f-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.f-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#CFE0D8}
.f-card:hover::before{transform:scaleX(1)}
.f-card h3{margin-top:16px;font-size:19px}
.f-card p{margin-top:10px;font-size:15px;line-height:1.8}
.f-icon{
  width:52px;height:52px;border-radius:16px;background:var(--brand-100);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;
}
.f-card.wide{grid-column:span 1;background:var(--grad-dark);border-color:transparent;color:rgba(255,255,255,.78)}
@media (min-width:768px){.f-card.wide{grid-column:span 2}}
.f-card.wide h3,.f-card.wide p{color:#fff}
.f-card.wide p{color:rgba(255,255,255,.76)}
.f-card.wide .f-icon{background:rgba(255,255,255,.14);color:#fff}
.f-card.wide::before{background:linear-gradient(90deg,#2FD4C0,#FF8A47)}
.f-card.wide .wide-media{
  margin-top:22px;border-radius:18px;overflow:hidden;border:1px solid rgba(255,255,255,.16);
}
.f-card.wide .wide-media img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* Scenes */
.scene{display:grid;gap:26px;align-items:center;padding:8px 0 0}
@media (min-width:900px){.scene{grid-template-columns:1fr 1fr;gap:48px}}
.scene + .scene{margin-top:44px}
@media (min-width:900px){.scene + .scene{margin-top:56px}
  .scene.reverse .scene-media{order:2}
  .scene.reverse .scene-text{order:1}
}
.scene-text{position:relative}
.scene-num{
  position:absolute;top:-52px;left:-6px;font-size:clamp(96px,12vw,140px);font-weight:700;
  color:var(--brand-500);opacity:.08;line-height:1;z-index:0;pointer-events:none;
  font-variant-numeric:tabular-nums;
}
.scene-text h3{position:relative;z-index:1;font-size:clamp(20px,2.4vw,26px)}
.scene-text p{position:relative;z-index:1;margin-top:14px;font-size:16px}
.scene-list{position:relative;z-index:1;margin-top:20px;display:grid;gap:10px}
.scene-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-600)}
.scene-list svg{flex-shrink:0;margin-top:5px;color:var(--brand-500)}
.scene-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:20px;box-shadow:var(--shadow-md)}

/* Cases */
.case-scroller{
  display:grid;grid-auto-flow:column;grid-auto-columns:82%;gap:20px;
  overflow-x:auto;padding:6px 4px 22px;scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
@media (min-width:768px){.case-scroller{grid-auto-columns:48%}}
@media (min-width:1024px){.case-scroller{grid-auto-columns:32%;overflow-x:visible;padding-bottom:6px}}
.case-scroller::-webkit-scrollbar{height:6px}
.case-scroller::-webkit-scrollbar-thumb{background:#CFE0D8;border-radius:99px}
.case-card{
  scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;transition:transform .2s ease,box-shadow .2s ease;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.case-card .value{font-size:38px;font-weight:700;color:var(--brand-600);line-height:1.1;font-variant-numeric:tabular-nums}
.case-card .value em{font-style:normal;font-size:15px;font-weight:600;color:var(--ink-400);margin-left:6px}
.case-card h3{margin-top:14px;font-size:18px}
.case-card p{margin-top:10px;font-size:15px}
.case-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.data-band{margin-top:36px;background:var(--grad-dark);border-radius:var(--r-block);padding:34px 28px}
.data-band-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:600px){.data-band-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.data-band-grid{grid-template-columns:repeat(4,1fr)}}
.data-item{border-left:2px solid rgba(47,212,192,.5);padding-left:16px}
.data-item .k{font-size:13px;color:rgba(255,255,255,.62);letter-spacing:.02em}
.data-item .v{margin-top:6px;font-size:26px;font-weight:700;color:#fff;line-height:1.2;font-variant-numeric:tabular-nums}
.data-item .v em{font-style:normal;font-size:13px;font-weight:500;color:rgba(255,255,255,.66);margin-left:6px}

/* Pricing */
.plan-grid{display:grid;gap:22px;grid-template-columns:1fr;align-items:stretch}
@media (min-width:768px){.plan-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.plan-grid{grid-template-columns:repeat(3,1fr)}}
.plan{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 26px;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease;
}
.plan:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.plan h3{font-size:19px}
.plan .plan-desc{margin-top:8px;font-size:14.5px;color:var(--ink-400)}
.plan .price{margin-top:20px;display:flex;align-items:baseline;gap:6px}
.plan .price b{font-size:38px;font-weight:700;color:var(--ink-900);line-height:1;font-variant-numeric:tabular-nums}
.plan .price span{font-size:14px;color:var(--ink-400)}
.plan ul{margin-top:22px;display:grid;gap:12px;flex:1}
.plan li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-600)}
.plan li svg{flex-shrink:0;margin-top:5px;color:var(--brand-500)}
.plan .btn{margin-top:26px;width:100%}
.plan.featured{
  border:2px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad-brand);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:var(--shadow-md);
}
@media (min-width:1024px){.plan.featured{transform:scale(1.04)}
  .plan.featured:hover{transform:scale(1.04) translateY(-4px)}}
.plan-flag{
  position:absolute;top:-13px;left:26px;background:var(--grad-cta);color:#fff;font-size:12.5px;font-weight:700;
  padding:6px 14px;border-radius:var(--r-pill);box-shadow:0 8px 18px -10px rgba(255,106,43,.9);
}

/* News */
.news-head{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end;justify-content:space-between;margin-bottom:32px}
.news-grid{display:grid;gap:22px;grid-template-columns:1fr}
@media (min-width:768px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;height:100%;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#CFE0D8}
.news-thumb{position:relative;background:var(--bg-alt)}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-title{
  font-size:17.5px;font-weight:600;color:var(--ink-900);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-sum{
  font-size:14.5px;color:var(--ink-600);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:7px;font-size:13.5px;color:var(--ink-400);margin-top:auto}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;padding:46px 24px;
  display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center;
}
.empty-state .ico{
  width:52px;height:52px;border-radius:16px;background:var(--brand-100);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;
}
.empty-state p{font-size:15px;color:var(--ink-600)}
.skeleton-grid{display:grid;gap:22px;grid-template-columns:1fr}
@media (min-width:768px){.skeleton-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.skeleton-grid{grid-template-columns:repeat(3,1fr)}}
.sk{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.sk .bar{background:linear-gradient(90deg,#EEF3F0 25%,#F7FAF8 37%,#EEF3F0 63%);background-size:400% 100%;animation:shimmer 1.4s ease infinite}
.sk .bar.img{aspect-ratio:16/10}
.sk .lines{padding:20px 22px 24px;display:grid;gap:12px}
.sk .bar.l1{height:16px;border-radius:8px;width:80%}
.sk .bar.l2{height:12px;border-radius:8px;width:100%}
.sk .bar.l3{height:12px;border-radius:8px;width:60%}
@keyframes shimmer{0%{background-position:100% 0}100%{background-position:0 0}}

/* FAQ */
.faq-wrap{max-width:800px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:14px;
  transition:border-color .2s ease,box-shadow .2s ease;overflow:hidden;
}
.faq-item[open]{border-left:3px solid var(--brand-500);box-shadow:var(--shadow-sm)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:16.5px;font-weight:600;color:var(--ink-900);min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  position:relative;flex-shrink:0;width:22px;height:22px;border-radius:50%;
  background:var(--brand-100);transition:transform .2s ease,background-color .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-600);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:2px}
.faq-icon::after{width:2px;height:10px;transition:opacity .2s ease,transform .2s ease}
.faq-item[open] .faq-icon{background:var(--brand-500);transform:rotate(180deg)}
.faq-item[open] .faq-icon::before{background:#fff}
.faq-item[open] .faq-icon::after{opacity:0;transform:translate(-50%,-50%) scaleY(0)}
.faq-answer{padding:0 22px 22px;font-size:15.5px;color:var(--ink-600);line-height:1.85}

/* CTA band */
.cta-band{padding:var(--gap-sec) 0 calc(var(--gap-sec) + 8px)}
.cta-inner{
  background:var(--grad-brand);border-radius:var(--r-block);padding:48px 26px;text-align:center;
  position:relative;overflow:hidden;
}
@media (min-width:1024px){.cta-inner{padding:64px 56px}}
.cta-inner::before{
  content:"";position:absolute;inset:-40% -10% auto auto;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),transparent 62%);
}
.cta-inner h2{color:#fff;position:relative}
.cta-inner p{position:relative;margin:16px auto 0;max-width:620px;color:rgba(255,255,255,.9);font-size:16px}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px}

/* Footer */
.site-footer{background:var(--dark);color:rgba(255,255,255,.66);padding:56px 0 26px}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:600px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.3fr 1fr 1fr 1.1fr}}
.footer-brand .logo-text strong{color:#fff}
.footer-brand .logo-text span{color:rgba(255,255,255,.5)}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.8;max-width:320px;color:rgba(255,255,255,.6)}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.66);transition:color .18s ease}
.footer-col a:hover{color:#3DBE8C}
.footer-contact li{font-size:14.5px;color:rgba(255,255,255,.66);display:flex;gap:9px;align-items:flex-start}
.footer-contact svg{flex-shrink:0;margin-top:5px;color:#3DBE8C}
.qr-slot{
  margin-top:16px;width:104px;height:104px;border-radius:14px;border:1px dashed rgba(255,255,255,.28);
  display:flex;align-items:center;justify-content:center;text-align:center;font-size:12px;
  color:rgba(255,255,255,.5);line-height:1.5;padding:8px;
}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13.5px;color:rgba(255,255,255,.45);
}

/* Mobile tab */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:flex;background:rgba(255,255,255,.97);
  border-top:1px solid var(--line);backdrop-filter:blur(10px);
  padding-bottom:env(safe-area-inset-bottom);
}
@media (min-width:1024px){.mobile-tab{display:none}}
.mobile-tab a{
  flex:1;min-height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  position:relative;font-size:10.5px;color:var(--ink-400);transition:color .18s ease;
}
.mobile-tab a::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%) scaleX(0);width:26px;height:3px;
  border-radius:0 0 3px 3px;background:var(--brand-500);transition:transform .2s ease;
}
.mobile-tab a.active{color:var(--brand-600)}
.mobile-tab a.active::before{transform:translateX(-50%) scaleX(1)}
.mobile-tab svg{width:24px;height:24px}
@media (max-width:1023px){body{padding-bottom:72px}}

/* roulang page: article */
:root{
  --brand-700:#0A5C43;
  --brand-600:#0E7A57;
  --brand-500:#16A06F;
  --brand-400:#3DBE8C;
  --brand-100:#E4F5EC;
  --accent-500:#FF6A2B;
  --accent-400:#FF8A47;
  --accent-100:#FFEDE3;
  --spark-400:#2FD4C0;
  --ink-900:#0C1A16;
  --ink-600:#4A5B55;
  --ink-400:#8A9995;
  --line:#DCE6E0;
  --bg:#F7F9F7;
  --bg-alt:#EDF4EF;
  --dark:#08211A;
  --dark-2:#0E3A2C;
  --grad-brand:linear-gradient(135deg,#0A5C43 0%,#16A06F 45%,#2FD4C0 100%);
  --grad-cta:linear-gradient(120deg,#FF6A2B 0%,#FF8A47 100%);
  --grad-dark:linear-gradient(120deg,#08211A 0%,#0E3A2C 100%);
  --r-card:20px;
  --r-block:32px;
  --r-btn:999px;
  --r-input:12px;
  --r-img:16px;
  --shadow-sm:0 2px 6px rgba(12,26,22,.06);
  --shadow-md:0 2px 6px rgba(12,26,22,.06),0 18px 40px -16px rgba(12,26,22,.18);
  --shadow-lg:0 4px 10px rgba(12,26,22,.07),0 28px 56px -20px rgba(12,26,22,.24);
  --space-section:88px;
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-600);
  background:var(--bg);
  padding-bottom:72px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-500)}
h1,h2,h3,h4{color:var(--ink-900);letter-spacing:0;margin:0}
h1{font-size:clamp(30px,5vw,52px);line-height:1.15;font-weight:700}
h2{font-size:clamp(24px,3.4vw,38px);line-height:1.25;font-weight:700}
h3{font-size:21px;line-height:1.4;font-weight:600}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0;list-style:none}
button,input,textarea,select{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--spark-400);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 32px}}
@media(min-width:1280px){.container{max-width:1280px}}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px -14px rgba(12,26,22,.35)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink-900)}
.logo:hover{color:var(--ink-900)}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:11px;
  background:var(--grad-brand);
  position:relative;box-shadow:var(--shadow-sm);
}
.logo-mark::before{
  content:"";position:absolute;inset:9px 8px;border-radius:6px;
  border:2px solid rgba(255,255,255,.92);
  border-bottom-color:transparent;border-right-color:transparent;
  transform:rotate(-45deg);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:18px;font-weight:700}
.logo-text span{font-size:11px;color:var(--ink-400);letter-spacing:.4px}
.main-nav{display:none;align-items:center;gap:22px}
.main-nav a{
  position:relative;font-size:15px;color:var(--ink-600);padding:8px 0;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:2px;height:2px;width:0;
  background:var(--brand-500);border-radius:2px;transition:width .22s ease;
}
.main-nav a:hover{color:var(--brand-600)}
.main-nav a:hover::after{width:100%}
.main-nav a.active{color:var(--brand-600);font-weight:600}
.main-nav a.active::after{width:100%}
.header-cta{display:none}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;color:var(--ink-900);cursor:pointer;
}
.nav-toggle svg{width:22px;height:22px}
@media(min-width:1024px){
  .main-nav{display:flex}
  .header-cta{display:inline-flex}
  .nav-toggle{display:none}
  .mobile-drawer{display:none}
}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:8px 0 16px;
}
.mobile-drawer.open{display:block}
.mobile-drawer a{
  display:block;padding:13px 4px;color:var(--ink-900);font-size:15px;
  border-bottom:1px dashed var(--line);
}
.mobile-drawer a:last-child{border-bottom:0}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
  text-align:center;line-height:1;
}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 12px 26px -14px rgba(255,106,43,.75)}
.btn-primary:hover{filter:brightness(1.04);transform:translateY(-1px);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-brand{background:var(--grad-brand);color:#fff;box-shadow:0 12px 26px -16px rgba(10,92,67,.8)}
.btn-brand:hover{filter:brightness(1.05);transform:translateY(-1px);color:#fff}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink-900)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--brand-700)}
.btn-light:hover{transform:translateY(-1px);color:var(--brand-700)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.65);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-1px)}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-weight:600;font-size:15px;
}
.btn-link svg{width:16px;height:16px;transition:transform .2s ease}
.btn-link:hover svg{transform:translateX(3px)}

/* ============ Badges / Tags ============ */
.badge{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-700);
  font-size:12.5px;font-weight:600;line-height:1;
}
.badge .num{font-weight:700}
.badge-dark{background:rgba(255,255,255,.14);color:#fff}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--ink-600);font-size:13px;
  transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.tag:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-100)}

/* ============ Breadcrumb ============ */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:14px;color:var(--ink-400)}
.crumb a{color:var(--ink-600)}
.crumb a:hover{color:var(--brand-600)}
.crumb .sep{color:var(--line)}
.crumb .now{color:var(--ink-900);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ Article hero ============ */
.article-hero{
  position:relative;overflow:hidden;
  background:var(--grad-dark);
  padding:44px 0 48px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  opacity:.22;
}
.article-hero::after{
  content:"";position:absolute;right:-90px;top:-90px;width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(47,212,192,.28);
}
.article-hero .container{position:relative;z-index:2}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.hero-tags .badge{background:rgba(255,255,255,.14);color:#E8FFF7}
.article-hero h1{color:#fff;max-width:940px}
.article-hero .lede{
  margin-top:16px;max-width:760px;color:rgba(255,255,255,.82);font-size:16px;line-height:1.8;
}
.hero-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:24px;color:rgba(255,255,255,.78);font-size:14px;
}
.hero-meta .item{display:inline-flex;align-items:center;gap:7px}
.hero-meta svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}

/* ============ Layout ============ */
.page-wrap{padding:56px 0 0}
.layout{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:1200px){
  .layout{grid-template-columns:minmax(0,1fr) 280px;gap:56px;align-items:start}
}
.main-col{min-width:0}

/* ============ TOC ============ */
.toc-mobile{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:14px 18px;margin-bottom:26px;box-shadow:var(--shadow-sm);
}
.toc-mobile summary{
  cursor:pointer;font-weight:600;color:var(--ink-900);font-size:15px;
  list-style:none;display:flex;align-items:center;gap:8px;
}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary svg{width:18px;height:18px;stroke:var(--brand-500);fill:none;stroke-width:2;stroke-linecap:round}
.toc-mobile ol{padding-left:0;margin-top:12px;border-top:1px dashed var(--line);padding-top:10px}
.toc-mobile li{padding:5px 0}
.toc-mobile a{font-size:14px;color:var(--ink-600)}
.toc-mobile a:hover{color:var(--brand-600)}
@media(min-width:1200px){.toc-mobile{display:none}}
.toc-side{display:none}
@media(min-width:1200px){
  .toc-side{display:block;position:sticky;top:96px}
}
.toc-side h4{
  font-size:13px;letter-spacing:.6px;color:var(--ink-400);font-weight:600;
  text-transform:none;margin-bottom:14px;
}
.toc-side ol{border-left:1px solid var(--line)}
.toc-side li a{
  display:block;padding:8px 0 8px 16px;font-size:14px;color:var(--ink-600);
  border-left:2px solid transparent;margin-left:-1px;line-height:1.5;
  transition:color .2s ease,border-color .2s ease;
}
.toc-side li a:hover{color:var(--brand-600);border-left-color:var(--brand-400)}
.toc-side li a.is-active{color:var(--brand-700);font-weight:600;border-left-color:var(--brand-500)}
.toc-card{
  margin-top:26px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-sm);
}
.toc-card h5{margin:0 0 8px;font-size:15px;color:var(--ink-900);font-weight:600}
.toc-card p{font-size:13.5px;color:var(--ink-400);margin:0 0 14px}

/* ============ Article body ============ */
.article-shell{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-block);
  padding:28px 22px;box-shadow:var(--shadow-sm);
}
@media(min-width:768px){.article-shell{padding:44px 48px}}
.article-body{max-width:820px;font-size:16px;line-height:1.9;color:var(--ink-600)}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.4em;font-size:16px}
.article-body h2{
  position:relative;font-size:clamp(22px,2.6vw,30px);line-height:1.35;
  margin:2em 0 .7em;padding-left:16px;color:var(--ink-900);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;
  background:var(--grad-brand);
}
.article-body h3{font-size:20px;margin:1.7em 0 .55em;color:var(--ink-900)}
.article-body h4{font-size:17px;margin:1.4em 0 .5em;color:var(--ink-900)}
.article-body strong{color:var(--ink-900)}
.article-body a{text-decoration:underline;text-decoration-color:rgba(22,160,111,.35);text-underline-offset:3px}
.article-body a:hover{text-decoration-color:var(--brand-500)}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:0}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:22px;margin-bottom:.6em;
}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--brand-400);
}
.article-body ol{counter-reset:li}
.article-body ol li::before{
  counter-increment:li;content:counter(li);position:absolute;left:0;top:.28em;
  width:20px;height:20px;border-radius:50%;background:var(--brand-100);color:var(--brand-700);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--brand-100);
  border-left:4px solid var(--brand-500);border-radius:0 16px 16px 0;
  color:var(--brand-700);font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;margin:1.6em 0;
  border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;font-size:15px;
}
.article-body thead th{
  background:var(--dark);color:#fff;font-weight:600;text-align:left;
  padding:13px 16px;font-size:14.5px;
}
.article-body tbody td{padding:12px 16px;border-top:1px solid var(--line);color:var(--ink-600)}
.article-body tbody tr:nth-child(even) td{background:var(--bg-alt)}
.article-body tbody tr:hover td{background:var(--brand-100)}
.article-body img{border-radius:12px;margin:1.6em 0 .6em;width:100%}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--ink-400);text-align:center;margin-top:2px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}

/* empty state */
.empty-state{
  text-align:center;padding:56px 20px;background:var(--bg-alt);
  border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-state svg{width:42px;height:42px;stroke:var(--brand-500);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;margin:0 auto 14px}
.empty-state p{font-size:15px;color:var(--ink-600);margin:0 0 14px}

/* ============ Article footer bits ============ */
.article-foot{margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:24px}
.tag-row .label{font-size:13px;color:var(--ink-400);margin-right:2px}
.pager{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:768px){.pager{grid-template-columns:1fr 1fr}}
.pager-card{
  display:flex;flex-direction:column;gap:6px;padding:20px;border:1px solid var(--line);
  border-radius:var(--r-card);background:#fff;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.pager-card:hover{transform:translateY(-3px);border-color:var(--brand-400);box-shadow:var(--shadow-md)}
.pager-card span{font-size:12.5px;color:var(--ink-400)}
.pager-card strong{font-size:15.5px;color:var(--ink-900);font-weight:600;line-height:1.55}

/* ============ Section / cards ============ */
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:88px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.section-head h2{margin-bottom:8px}
.section-head p{margin:0;color:var(--ink-600);font-size:15.5px;max-width:660px}
.grid-3{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:768px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}}
.card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:var(--grad-brand);opacity:0;transition:opacity .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-400)}
.card:hover::before{opacity:1}
.card-cover{aspect-ratio:16/10;width:100%;object-fit:cover;background:var(--bg-alt)}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:19px;line-height:1.5}
.card-body p{font-size:14.5px;color:var(--ink-600);margin:0;line-height:1.75}
.card-meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-400)}
.card-meta svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.card-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-700);font-size:12.5px;font-weight:600;
}

/* ============ CTA band ============ */
.cta-band{
  position:relative;overflow:hidden;margin:0 0 8px;
  background:var(--grad-brand);
}
.cta-band::after{
  content:"";position:absolute;left:-60px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.10);
}
.cta-inner{
  position:relative;z-index:2;padding:48px 28px;border-radius:var(--r-block);
  display:flex;flex-direction:column;gap:22px;
}
@media(min-width:900px){
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;padding:56px 48px}
}
.cta-inner h2{color:#fff;margin-bottom:10px}
.cta-inner p{color:rgba(255,255,255,.9);margin:0;font-size:15.5px;max-width:600px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ Footer ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:60px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.site-footer .logo{color:#fff}
.site-footer .logo:hover{color:#fff}
.site-footer .logo-text strong{color:#fff}
.site-footer .logo-text span{color:rgba(255,255,255,.55)}
.footer-brand p{margin:16px 0 0;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.66);max-width:340px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{color:rgba(255,255,255,.72);font-size:14.5px}
.footer-col ul li a:hover{color:#3DBE8C}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.72);font-size:14.5px;margin-bottom:12px}
.footer-contact svg{flex:0 0 16px;margin-top:4px;color:#3DBE8C}
.qr-slot{
  margin-top:16px;width:120px;height:120px;border-radius:16px;
  border:1px dashed rgba(255,255,255,.32);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12.5px;color:rgba(255,255,255,.6);line-height:1.6;
  background:rgba(255,255,255,.04);
}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ Mobile bottom tab ============ */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(255,255,255,.97);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  display:grid;grid-template-columns:repeat(5,1fr);
}
@media(min-width:1024px){.mobile-tab{display:none}}
.mobile-tab a{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;height:56px;font-size:10.5px;color:var(--ink-400);
}
.mobile-tab a svg{width:23px;height:23px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.mobile-tab a.active{color:var(--brand-600)}
.mobile-tab a.active::before{
  content:"";position:absolute;top:0;width:26px;height:3px;border-radius:0 0 3px 3px;background:var(--brand-500);
}
@media(min-width:1024px){body{padding-bottom:0}}
@media(max-width:767px){
  .btn{width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --brand-700:#0A5C43;
  --brand-600:#0E7A57;
  --brand-500:#16A06F;
  --brand-400:#3DBE8C;
  --brand-100:#E4F5EC;
  --accent-500:#FF6A2B;
  --accent-400:#FF8A47;
  --accent-100:#FFEDE3;
  --spark-400:#2FD4C0;
  --ink-900:#0C1A16;
  --ink-600:#4A5B55;
  --ink-400:#8A9995;
  --line:#DCE6E0;
  --bg:#F7F9F7;
  --bg-alt:#EDF4EF;
  --dark:#08211A;
  --white:#FFFFFF;
  --grad-brand:linear-gradient(135deg,#0A5C43 0%,#16A06F 45%,#2FD4C0 100%);
  --grad-cta:linear-gradient(120deg,#FF6A2B 0%,#FF8A47 100%);
  --grad-dark:linear-gradient(120deg,#08211A 0%,#0E3A2C 100%);
  --r-card:20px;
  --r-block:32px;
  --r-pill:999px;
  --r-input:12px;
  --r-img:16px;
  --sh-1:0 2px 6px rgba(12,26,22,.06),0 18px 40px -16px rgba(12,26,22,.18);
  --sh-2:0 4px 10px rgba(12,26,22,.08),0 26px 54px -18px rgba(12,26,22,.24);
  --sh-nav:0 2px 10px rgba(12,26,22,.07);
  --sp-section:88px;
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-600);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  padding-bottom:0;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,opacity .2s ease;}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:16px;}
strong{font-weight:700;color:var(--ink-900);}
:focus-visible{outline:2px solid var(--spark-400);outline-offset:2px;border-radius:6px;}

h1{font-size:clamp(30px,5vw,52px);line-height:1.15;font-weight:700;color:var(--ink-900);letter-spacing:0;}
h2{font-size:clamp(24px,3.4vw,38px);line-height:1.25;font-weight:700;color:var(--ink-900);letter-spacing:0;}
h3{font-size:21px;line-height:1.4;font-weight:600;color:var(--ink-900);}
p{font-size:16px;line-height:1.85;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 布局容器 ============ */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:var(--sp-section) 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head p{margin-top:14px;font-size:17px;color:var(--ink-600);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-600);
  background:var(--brand-100);
  border-radius:var(--r-pill);
  padding:6px 14px;
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:16px;height:2px;border-radius:2px;background:var(--brand-500);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  letter-spacing:.01em;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,filter .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-brand{
  background:var(--grad-brand);
  color:#fff;
  box-shadow:0 10px 24px -12px rgba(10,92,67,.6);
}
.btn-brand:hover{filter:brightness(1.05);transform:translateY(-1px);box-shadow:0 16px 30px -14px rgba(10,92,67,.62);}
.btn-brand:active{transform:translateY(0);filter:brightness(.98);}
.btn-cta{
  background:var(--grad-cta);
  color:#fff;
  box-shadow:0 12px 26px -14px rgba(255,106,43,.75);
}
.btn-cta:hover{filter:brightness(1.04);transform:translateY(-1px);}
.btn-cta:active{transform:translateY(0);}
.btn-ghost{
  background:#fff;
  color:var(--ink-900);
  border:1px solid var(--line);
}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);}
.btn-light{
  background:#fff;color:var(--brand-700);font-weight:700;
}
.btn-light:hover{transform:translateY(-1px);box-shadow:0 14px 28px -16px rgba(0,0,0,.4);}
.btn-outline-light{
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6);
}
.btn-outline-light:hover{background:rgba(255,255,255,.14);border-color:#fff;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand-600);
}
.link-arrow svg{transition:transform .2s ease;}
.link-arrow:hover svg{transform:translateX(3px);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-nav);}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:72px;
}
.logo{display:inline-flex;align-items:center;gap:11px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad-brand);
  position:relative;
  flex-shrink:0;
  box-shadow:0 6px 16px -8px rgba(10,92,67,.7);
}
.logo-mark::before{
  content:"";position:absolute;inset:8px 7px;
  border:2px solid rgba(255,255,255,.92);
  border-radius:50% / 46%;
}
.logo-mark::after{
  content:"";position:absolute;left:50%;top:9px;bottom:9px;width:2px;
  transform:translateX(-50%);
  background:rgba(255,255,255,.75);
  border-radius:2px;
}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-text strong{font-size:17px;font-weight:700;color:var(--ink-900);letter-spacing:.01em;}
.logo-text span{font-size:11px;color:var(--ink-400);letter-spacing:.04em;margin-top:2px;}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.main-nav a{
  position:relative;
  font-size:15px;font-weight:500;color:var(--ink-600);
  padding:8px 0;
  transition:color .2s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:auto;bottom:0;
  width:0;height:2px;border-radius:2px;
  background:var(--brand-500);
  transition:width .22s ease;
}
.main-nav a:hover{color:var(--brand-600);}
.main-nav a:hover::after{width:100%;}
.main-nav a.active{color:var(--brand-600);font-weight:600;}
.main-nav a.active::after{width:100%;}
.header-cta{margin-left:6px;min-height:44px;padding:0 22px;font-size:14px;}

/* ============ 分类页小首屏 ============ */
.cat-hero{
  position:relative;
  min-height:280px;
  display:flex;align-items:center;
  padding:44px 0 40px;
  color:#fff;
  background-image:
    linear-gradient(120deg,rgba(8,33,26,.94) 0%,rgba(10,92,67,.86) 48%,rgba(22,160,111,.72) 100%),
    url(/assets/images/backpic/back-1.webp);
  background-size:cover,cover;
  background-position:center,center;
  overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;right:-120px;bottom:-140px;
  width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(255,255,255,.16);
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:rgba(255,255,255,.78);
  margin-bottom:18px;
}
.breadcrumb a{color:rgba(255,255,255,.88);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{opacity:.55;}
.cat-hero h1{
  color:#fff;
  max-width:900px;
  font-size:clamp(28px,4.2vw,44px);
}
.cat-hero .hero-sub{
  margin-top:16px;
  max-width:720px;
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.9);
}
.chips{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-top:26px;
}
.chip{
  display:inline-flex;align-items:center;
  min-height:40px;padding:0 18px;
  border-radius:var(--r-pill);
  font-size:14px;font-weight:600;
  border:1px solid rgba(255,255,255,.55);
  color:#fff;
  transition:background-color .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;
}
.chip:hover{background:rgba(255,255,255,.16);border-color:#fff;transform:translateY(-1px);}
.chip.is-current{
  background:#fff;
  color:var(--brand-700);
  border-color:#fff;
}

/* ============ 图文左右交替 ============ */
.points{padding:var(--sp-section) 0;}
.point-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:34px 0;
}
.point-row + .point-row{border-top:1px dashed var(--line);}
.point-row.is-reverse .point-media{order:2;}
.point-body h2{font-size:clamp(23px,2.6vw,32px);margin-bottom:16px;}
.point-body p{font-size:16.5px;color:var(--ink-600);}
.point-body p + p{margin-top:14px;}
.point-list{margin-top:22px;display:grid;gap:12px;}
.point-list li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:15.5px;color:var(--ink-600);
}
.tick{
  flex-shrink:0;width:22px;height:22px;margin-top:5px;
  border-radius:50%;
  background:var(--brand-100);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand-600);
}
.tick svg{width:13px;height:13px;}
.point-media{position:relative;}
.point-media img{
  width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
}
.point-media .step-num{
  position:absolute;left:-18px;bottom:-26px;
  font-size:96px;font-weight:700;line-height:1;
  color:var(--brand-500);
  opacity:.10;
  font-variant-numeric:tabular-nums;
  pointer-events:none;
  user-select:none;
}
.media-tag{
  position:absolute;left:18px;top:18px;
  display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 13px;
  border-radius:var(--r-pill);
  background:rgba(8,33,26,.72);
  color:#fff;font-size:12.5px;font-weight:600;
  backdrop-filter:blur(4px);
}

/* ============ 数据徽章带 ============ */
.badge-band{
  background:var(--grad-dark);
  color:#fff;
  border-radius:var(--r-block);
  padding:52px 44px;
  position:relative;
  overflow:hidden;
}
.badge-band::before{
  content:"";position:absolute;left:0;top:0;right:0;height:3px;
  background:var(--grad-brand);
}
.badge-band-inner{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.badge-item{padding:6px 0;}
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 13px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);
  color:#DDF6EC;
  font-size:12.5px;font-weight:600;
  margin-bottom:14px;
}
.badge-pill .dot{width:6px;height:6px;border-radius:50%;background:var(--spark-400);}
.badge-value{
  font-size:clamp(30px,3.4vw,42px);
  font-weight:700;line-height:1.1;
  color:#fff;
  font-variant-numeric:tabular-nums;
}
.badge-value small{font-size:16px;font-weight:600;color:var(--brand-400);margin-left:4px;}
.badge-label{margin-top:8px;font-size:14.5px;color:rgba(255,255,255,.72);line-height:1.6;}
.badge-band-foot{
  margin-top:34px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.badge-band-foot p{font-size:15px;color:rgba(255,255,255,.78);margin:0;}

/* ============ FAQ ============ */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#C6DAD0;}
.faq-item[open]{border-color:var(--brand-400);box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;
  font-size:17px;font-weight:600;color:var(--ink-900);
  position:relative;
  min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;
  width:3px;border-radius:0 3px 3px 0;
  background:var(--brand-500);
  transform:scaleY(0);
  transform-origin:center;
  transition:transform .2s ease;
}
.faq-item[open] summary::before{transform:scaleY(1);}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;
  border-radius:50%;
  background:var(--brand-100);
  color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;
  transition:transform .2s ease,background-color .2s ease,color .2s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--brand-500);color:#fff;}
.faq-body{
  padding:0 24px 22px 24px;
  font-size:15.5px;
  color:var(--ink-600);
  line-height:1.85;
}
.faq-body p + p{margin-top:10px;}

/* ============ 尾部 CTA ============ */
.cta-band{
  background:var(--grad-brand);
  border-radius:var(--r-block);
  padding:64px 48px;
  color:#fff;
  position:relative;
  overflow:hidden;
  text-align:center;
}
.cta-band::before{
  content:"";position:absolute;left:50%;top:-160px;transform:translateX(-50%);
  width:520px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.10);
  pointer-events:none;
}
.cta-band h2{color:#fff;position:relative;z-index:1;}
.cta-band p{
  position:relative;z-index:1;
  margin:16px auto 0;max-width:640px;
  font-size:16.5px;color:rgba(255,255,255,.92);
}
.cta-actions{
  position:relative;z-index:1;
  display:flex;flex-wrap:wrap;gap:14px;justify-content:center;
  margin-top:32px;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.72);
  padding:72px 0 32px;
  margin-top:var(--sp-section);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:44px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .logo-text strong{color:#fff;}
.footer-brand .logo-text span{color:rgba(255,255,255,.5);}
.footer-brand p{margin-top:18px;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.66);max-width:320px;}
.footer-col h4{
  font-size:15px;font-weight:600;color:#fff;
  margin-bottom:18px;letter-spacing:.02em;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.7);}
.footer-col a:hover{color:var(--brand-400);}
.footer-contact li{display:flex;align-items:flex-start;gap:9px;font-size:14.5px;color:rgba(255,255,255,.7);}
.footer-contact svg{flex-shrink:0;margin-top:4px;color:var(--brand-400);}
.qr-slot{
  margin-top:18px;
  width:104px;height:104px;
  border-radius:14px;
  border:1px dashed rgba(255,255,255,.28);
  display:flex;align-items:center;justify-content:center;
  text-align:center;
  font-size:12.5px;line-height:1.5;
  color:rgba(255,255,255,.5);
}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding-top:26px;
  font-size:13.5px;
  color:rgba(255,255,255,.48);
}

/* ============ 移动底部 Tab ============ */
.mobile-tab{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tab ul{
  display:grid;grid-template-columns:repeat(5,1fr);
  height:56px;
}
.mobile-tab a{
  position:relative;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:10.5px;color:var(--ink-400);
  min-height:44px;
}
.mobile-tab a svg{width:24px;height:24px;stroke-width:1.7;}
.mobile-tab a.active{color:var(--brand-600);font-weight:600;}
.mobile-tab a.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:3px;border-radius:0 0 3px 3px;
  background:var(--brand-500);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .container{padding:0 24px;}
  :root{--sp-section:72px;}
  .header-inner{height:66px;gap:18px;}
  .main-nav{gap:18px;}
  .main-nav a{font-size:14px;}
  .point-row{gap:36px;}
  .badge-band{padding:44px 32px;}
  .badge-band-inner{grid-template-columns:repeat(2,1fr);gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767px){
  body{padding-bottom:72px;}
  .container{padding:0 20px;}
  :root{--sp-section:56px;}
  .main-nav{display:none;}
  .header-cta{display:none;}
  .mobile-tab{display:block;}
  .cat-hero{min-height:240px;padding:32px 0 30px;}
  .point-row{grid-template-columns:1fr;gap:24px;padding:26px 0;}
  .point-row.is-reverse .point-media{order:0;}
  .point-media .step-num{font-size:80px;left:-8px;bottom:-18px;}
  .badge-band{border-radius:24px;padding:34px 22px;}
  .badge-band-inner{grid-template-columns:1fr;gap:26px;}
  .badge-band-foot{flex-direction:column;align-items:flex-start;}
  .cta-band{border-radius:24px;padding:44px 22px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .site-footer{padding:56px 0 28px;margin-top:56px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-item summary{padding:18px 18px;font-size:16px;}
  .faq-body{padding:0 18px 20px 18px;}
}
@media (max-width:479px){
  .cat-hero h1{font-size:27px;}
  .cat-hero .hero-sub{font-size:15.5px;}
  .chips{gap:8px;}
  .chip{min-height:38px;padding:0 15px;font-size:13px;}
  .btn{width:100%;}
}

/* roulang page: category3 */
:root{
  --brand-700:#0A5C43;
  --brand-600:#0E7A57;
  --brand-500:#16A06F;
  --brand-400:#3DBE8C;
  --brand-100:#E4F5EC;
  --accent-500:#FF6A2B;
  --accent-400:#FF8A47;
  --accent-100:#FFEDE3;
  --spark-400:#2FD4C0;
  --ink-900:#0C1A16;
  --ink-600:#4A5B55;
  --ink-400:#8A9995;
  --line:#DCE6E0;
  --bg:#F7F9F7;
  --bg-alt:#EDF4EF;
  --dark:#08211A;
  --grad-brand:linear-gradient(135deg,#0A5C43 0%,#16A06F 45%,#2FD4C0 100%);
  --grad-cta:linear-gradient(120deg,#FF6A2B 0%,#FF8A47 100%);
  --grad-dark:linear-gradient(135deg,#08211A 0%,#0E3A2C 100%);
  --r-card:20px;
  --r-block:32px;
  --r-pill:999px;
  --r-input:12px;
  --r-img:16px;
  --shadow-1:0 2px 6px rgba(12,26,22,.06);
  --shadow-2:0 2px 6px rgba(12,26,22,.06),0 18px 40px -16px rgba(12,26,22,.18);
  --container:1200px;
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:56px;
  --sp-6:88px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-600);
  background:var(--bg);
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:0;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--spark-400);outline-offset:2px;border-radius:6px;}

.container{max-width:var(--container);margin:0 auto;padding:0 20px;}
@media (min-width:1024px){
  .container{max-width:1280px;padding:0 32px;}
}

.section{padding:var(--sp-5) 0;}
@media (min-width:1024px){
  .section{padding:var(--sp-6) 0;}
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(12,26,22,.5);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:72px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad-brand);
  position:relative;
  flex:0 0 auto;
  box-shadow:var(--shadow-1);
}
.logo-mark::before,
.logo-mark::after{
  content:"";position:absolute;left:8px;right:8px;height:2px;border-radius:2px;background:rgba(255,255,255,.9);
}
.logo-mark::before{top:12px;}
.logo-mark::after{top:20px;right:15px;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:17px;color:var(--ink-900);font-weight:700;letter-spacing:.2px;}
.logo-text span{font-size:11px;color:var(--ink-400);letter-spacing:.4px;}

.main-nav{display:flex;align-items:center;gap:2px;}
.main-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 12px;
  font-size:15px;
  color:var(--ink-600);
  transition:color .2s ease;
  white-space:nowrap;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:7px;
  height:2px;
  border-radius:2px;
  background:var(--brand-500);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .24s ease;
}
.main-nav a:hover{color:var(--brand-600);}
.main-nav a:hover::after,
.main-nav a.active::after{transform:scaleX(1);}
.main-nav a.active{color:var(--brand-600);font-weight:600;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .18s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease,filter .2s ease;
}
.btn-brand{
  background:var(--grad-cta);
  color:#fff;
  box-shadow:0 12px 24px -14px rgba(255,106,43,.85);
}
.btn-brand:hover{filter:brightness(1.04);transform:translateY(-1px);}
.btn-brand:active{transform:translateY(0);filter:brightness(1);}
.btn-ghost{
  background:#fff;
  border-color:var(--line);
  color:var(--ink-900);
}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-700);}
.btn-white{background:#fff;color:var(--brand-700);}
.btn-white:hover{transform:translateY(-1px);box-shadow:0 12px 24px -16px rgba(6,32,24,.6);}
.btn-line-light{background:transparent;border-color:rgba(255,255,255,.62);color:#fff;}
.btn-line-light:hover{background:rgba(255,255,255,.14);border-color:#fff;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;}
.header-cta{flex:0 0 auto;}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tab{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:120;
  display:none;
  background:#fff;
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -8px 22px -18px rgba(12,26,22,.7);
}
.mobile-tab a{
  flex:1;
  min-height:56px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  font-size:11px;
  color:var(--ink-400);
  position:relative;
  transition:color .2s ease;
}
.mobile-tab a svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.mobile-tab a.active{color:var(--brand-600);}
.mobile-tab a.active::before{
  content:"";
  position:absolute;
  top:0;left:50%;
  transform:translateX(-50%);
  width:28px;height:3px;
  border-radius:0 0 3px 3px;
  background:var(--brand-500);
}

@media (max-width:900px){
  .main-nav{display:none;}
  .header-cta{display:none;}
  .mobile-tab{display:flex;}
  body{padding-bottom:72px;}
}

/* ---------- 面包屑 ---------- */
.crumb{padding-top:22px;font-size:14px;line-height:1.6;color:var(--ink-400);}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb a{color:var(--ink-600);transition:color .2s ease;}
.crumb a:hover{color:var(--brand-600);}
.crumb .sep{color:var(--line);}

/* ---------- 页面标题带 ---------- */
.page-head{padding-bottom:0;}
.page-head-inner{
  padding:26px 0 34px;
  border-bottom:1px solid var(--line);
}
h1{
  font-size:clamp(30px,4.8vw,48px);
  line-height:1.15;
  font-weight:700;
  max-width:900px;
  margin-bottom:16px;
}
.page-head .lead{
  font-size:17px;
  line-height:1.8;
  max-width:760px;
  color:var(--ink-600);
}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:var(--brand-100);
  color:var(--brand-700);
  font-size:13px;
  font-weight:600;
}
.badge b{font-variant-numeric:tabular-nums;font-weight:700;}

.cat-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.cat-chips a{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  font-size:15px;
  color:var(--ink-600);
  transition:border-color .2s ease,color .2s ease,background .2s ease,transform .18s ease;
}
.cat-chips a:hover{border-color:var(--brand-400);color:var(--brand-700);transform:translateY(-1px);}
.cat-chips a.is-active{
  background:var(--brand-600);
  border-color:var(--brand-600);
  color:#fff;
  font-weight:600;
  box-shadow:0 12px 24px -16px rgba(14,122,87,.9);
}
.cat-chips a.is-active:hover{background:var(--brand-600);color:#fff;}

/* ---------- 数据带 ---------- */
.stat-band{
  background:var(--grad-dark);
  border-radius:var(--r-block);
  padding:38px 30px;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.stat-band::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:220px;height:220px;
  border-radius:50%;
  border:1px solid rgba(47,212,192,.28);
  pointer-events:none;
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  position:relative;
  z-index:1;
}
.stat-item{display:flex;flex-direction:column;gap:8px;}
.stat-chip{
  display:inline-flex;
  align-items:center;
  align-self:flex-start;
  height:28px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);
  color:#DDF3EA;
  font-size:12px;
  font-weight:600;
}
.stat-value{
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.2;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:#fff;
}
.stat-note{font-size:13px;line-height:1.65;color:rgba(255,255,255,.68);}

@media (max-width:900px){
  .stat-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:520px){
  .stat-band{padding:30px 22px;border-radius:24px;}
  .stat-grid{grid-template-columns:1fr;gap:20px;}
}

/* ---------- 板块标题 ---------- */
.sec-head{max-width:760px;margin-bottom:36px;}
.sec-eyebrow{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--accent-100);
  color:#B8431A;
  font-size:12px;
  font-weight:700;
  letter-spacing:.4px;
  margin-bottom:14px;
}
.sec-head h2{
  font-size:clamp(24px,3.2vw,36px);
  line-height:1.25;
  margin-bottom:12px;
}
.sec-head p{font-size:16px;color:var(--ink-600);max-width:680px;}

/* ---------- 时间线步骤条 ---------- */
.timeline{position:relative;max-width:880px;margin:0 auto;}
.timeline::before{
  content:"";
  position:absolute;
  left:19px;top:16px;bottom:16px;
  width:2px;
  background:var(--line);
}
.tl-item{position:relative;padding-left:70px;margin-bottom:22px;}
.tl-item:last-child{margin-bottom:0;}
.tl-dot{
  position:absolute;
  left:0;top:0;
  width:40px;height:40px;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--brand-500);
  display:grid;
  place-items:center;
  font-size:15px;
  font-weight:700;
  color:var(--brand-700);
  font-variant-numeric:tabular-nums;
  z-index:1;
}
.tl-item:first-child .tl-dot{
  background:var(--grad-brand);
  border-color:transparent;
  color:#fff;
}
.tl-body{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px 22px;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tl-body:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand-400);}
.tl-body h3{font-size:20px;line-height:1.4;margin-bottom:8px;}
.tl-body p{font-size:15px;line-height:1.8;}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--bg-alt);
  color:var(--brand-700);
  font-size:12px;
  font-weight:600;
}
@media (max-width:520px){
  .tl-item{padding-left:58px;}
  .tl-dot{width:34px;height:34px;font-size:13px;}
  .timeline::before{left:16px;}
  .tl-body{padding:18px;}
}

/* ---------- 场景卡 ---------- */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:24px;
}
.scene-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .24s ease,box-shadow .24s ease;
  display:flex;
  flex-direction:column;
}
.scene-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:var(--grad-brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .3s ease;
  z-index:2;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.scene-card:hover::before{transform:scaleX(1);}
.scene-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.scene-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.scene-body h3{font-size:20px;line-height:1.4;}
.scene-body p{font-size:15px;line-height:1.8;}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px;}

/* ---------- 同步范围列表 ---------- */
.range-wrap{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px 20px;
}
.range-item{
  display:flex;
  gap:14px;
  align-items:flex-start;
  background:#fff;
  border:1px solid var(--line);
  border-left:3px solid var(--brand-500);
  border-radius:14px;
  padding:18px 20px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.range-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-1);border-left-color:var(--accent-500);}
.range-ico{
  flex:0 0 auto;
  width:26px;height:26px;
  color:var(--brand-600);
}
.range-ico svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.range-item h3{font-size:16px;line-height:1.5;margin-bottom:4px;}
.range-item p{font-size:14px;line-height:1.75;}
@media (max-width:768px){
  .range-wrap{grid-template-columns:1fr;}
}

/* ---------- 常见问题 ---------- */
.faq-list{
  max-width:800px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:0 22px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{
  border-color:var(--brand-400);
  box-shadow:var(--shadow-1);
  border-left:3px solid var(--brand-500);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 0;
  font-size:17px;
  font-weight:600;
  color:var(--ink-900);
  min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  width:26px;
  text-align:center;
  font-size:22px;
  line-height:1;
  color:var(--brand-600);
  transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);}
.faq-item p{padding:0 0 20px;font-size:15px;line-height:1.85;}

/* ---------- 尾部 CTA ---------- */
.cta-band{
  background:var(--grad-brand);
  border-radius:var(--r-block);
  padding:44px 36px;
  color:#fff;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:38px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  left:-80px;bottom:-90px;
  width:240px;height:240px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.25);
  pointer-events:none;
}
.cta-copy h2{color:#fff;font-size:clamp(24px,3vw,34px);line-height:1.25;margin-bottom:14px;}
.cta-copy p{color:rgba(255,255,255,.9);font-size:16px;max-width:520px;margin-bottom:26px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-card{
  background:#fff;
  border-radius:24px;
  padding:26px;
  color:var(--ink-900);
  box-shadow:0 22px 44px -26px rgba(6,32,24,.6);
  position:relative;
  z-index:1;
}
.cta-card h3{font-size:18px;margin-bottom:16px;}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;}
.field label{font-size:13px;color:var(--ink-600);font-weight:600;}
.field input,
.field select{
  width:100%;
  height:46px;
  padding:0 14px;
  border-radius:var(--r-input);
  border:1px solid var(--line);
  background:#fff;
  font-size:15px;
  color:var(--ink-900);
  transition:border-color .2s ease,box-shadow .2s ease;
  appearance:none;
}
.field input::placeholder{color:var(--ink-400);}
.field input:focus,
.field select:focus{
  outline:none;
  border-color:var(--brand-500);
  box-shadow:0 0 0 4px rgba(22,160,111,.14);
}
.field input:user-invalid{border-color:#D64545;}
.field-error{font-size:12px;color:#D64545;}
.cta-card .btn{width:100%;}
.form-hint{font-size:13px;color:var(--ink-400);line-height:1.7;margin-top:12px;}

@media (max-width:900px){
  .cta-band{grid-template-columns:1fr;padding:34px 24px;border-radius:26px;gap:28px;}
}
@media (max-width:520px){
  .cta-band{padding:28px 20px;}
  .cta-card{padding:20px;border-radius:20px;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.72);
  padding:64px 0 26px;
  margin-top:var(--sp-5);
}
@media (min-width:1024px){
  .site-footer{margin-top:var(--sp-6);}
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:36px;
}
.site-footer .logo-text strong{color:#fff;}
.site-footer .logo-text span{color:rgba(255,255,255,.55);}
.footer-brand p{font-size:14px;line-height:1.8;margin-top:16px;max-width:320px;color:rgba(255,255,255,.66);}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;font-size:14px;}
.footer-col a{color:rgba(255,255,255,.72);transition:color .2s ease;}
.footer-col a:hover{color:var(--brand-400);}
.footer-contact li{display:flex;align-items:flex-start;gap:8px;}
.footer-contact svg{flex:0 0 auto;margin-top:3px;color:var(--brand-400);}
.qr-slot{
  width:108px;height:108px;
  margin-top:18px;
  border-radius:14px;
  border:1px dashed rgba(255,255,255,.3);
  display:grid;
  place-items:center;
  text-align:center;
  font-size:12px;
  line-height:1.5;
  color:rgba(255,255,255,.6);
}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:600px){
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding:48px 0 22px;}
}

/* roulang page: category2 */
:root{
  --brand-700:#0A5C43;--brand-600:#0E7A57;--brand-500:#16A06F;--brand-400:#3DBE8C;--brand-100:#E4F5EC;
  --accent-500:#FF6A2B;--accent-400:#FF8A47;--accent-100:#FFEDE3;
  --spark-400:#2FD4C0;
  --ink-900:#0C1A16;--ink-600:#4A5B55;--ink-400:#8A9995;--line:#DCE6E0;--bg:#F7F9F7;--bg-alt:#EDF4EF;--dark:#08211A;
  --grad-brand:linear-gradient(135deg,#0A5C43 0%,#16A06F 45%,#2FD4C0 100%);
  --grad-cta:linear-gradient(120deg,#FF6A2B 0%,#FF8A47 100%);
  --grad-dark:linear-gradient(120deg,#08211A 0%,#0E3A2C 100%);
  --r-card:20px;--r-block:32px;--r-pill:999px;--r-input:12px;--r-img:16px;
  --shadow-sm:0 2px 6px rgba(12,26,22,.06);
  --shadow-md:0 2px 6px rgba(12,26,22,.06),0 18px 40px -16px rgba(12,26,22,.18);
  --shadow-lg:0 4px 10px rgba(12,26,22,.07),0 26px 54px -18px rgba(12,26,22,.24);
  --sp-section:56px;--sp-section-lg:96px;--gap:22px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.85;color:var(--ink-600);
  background:var(--bg);-webkit-font-smoothing:antialiased;
  padding-bottom:calc(56px + env(safe-area-inset-bottom));
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{color:var(--brand-500)}
h1,h2,h3,h4{color:var(--ink-900);margin:0;letter-spacing:0;line-height:1.3}
h1{font-size:clamp(30px,5vw,52px);line-height:1.15;font-weight:700}
h2{font-size:clamp(24px,3.4vw,38px);line-height:1.25;font-weight:700}
h3{font-size:20px;line-height:1.4;font-weight:600}
h4{font-size:16px;line-height:1.4;font-weight:600}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input,select{font:inherit;color:inherit}
svg{flex:none}
:focus-visible{outline:2px solid var(--spark-400);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 32px}}
.num{font-variant-numeric:tabular-nums}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm)}
.header-inner{display:flex;align-items:center;gap:18px;height:72px}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink-900);flex:none}
.logo:hover{color:var(--ink-900)}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad-brand);position:relative;flex:none;
  box-shadow:0 6px 16px -8px rgba(10,92,67,.7);
}
.logo-mark::before{
  content:"";position:absolute;inset:9px 7px;border:2px solid rgba(255,255,255,.9);border-radius:50%;
}
.logo-mark::after{
  content:"";position:absolute;left:50%;top:50%;width:2px;height:16px;background:rgba(255,255,255,.85);
  transform:translate(-50%,-50%) rotate(32deg);border-radius:2px;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:17px;font-weight:700;letter-spacing:0}
.logo-text span{font-size:11px;color:var(--ink-400)}
.main-nav{display:none;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 12px;
  font-size:15px;color:var(--ink-600);white-space:nowrap;border-radius:10px;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:8px;height:2px;background:var(--brand-500);
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.main-nav a:hover{color:var(--brand-600)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--brand-700);font-weight:600}
.main-nav a.active::after{transform:scaleX(1)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .22s ease,background-color .22s ease,border-color .22s ease,color .22s ease,filter .22s ease;
}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 10px 24px -14px rgba(255,106,43,.9)}
.btn-primary:hover{filter:brightness(1.04);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-brand{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px -14px rgba(10,92,67,.85)}
.btn-brand:hover{filter:brightness(1.04);color:#fff;transform:translateY(-1px)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink-900)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-700)}
.btn-light{background:#fff;color:var(--brand-700);box-shadow:var(--shadow-sm)}
.btn-light:hover{color:var(--brand-700);transform:translateY(-1px)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.65);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-600)}
.link-arrow svg{transition:transform .2s ease}
.link-arrow:hover svg{transform:translateX(3px)}
.header-cta{display:none;margin-left:6px}
@media(min-width:768px){.header-cta{display:inline-flex}}
@media(min-width:1080px){.main-nav{display:flex}}

/* ---------- Mobile tabbar ---------- */
.mobile-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:flex;
  background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tabbar a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  min-height:56px;font-size:10.5px;color:var(--ink-400);position:relative;
}
.mobile-tabbar a::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%) scaleX(0);
  width:26px;height:3px;border-radius:0 0 3px 3px;background:var(--brand-500);transition:transform .22s ease;
}
.mobile-tabbar a.active{color:var(--brand-600);font-weight:600}
.mobile-tabbar a.active::before{transform:translateX(-50%) scaleX(1)}
@media(min-width:1080px){.mobile-tabbar{display:none}body{padding-bottom:0}}

/* ---------- Breadcrumb ---------- */
.crumb-wrap{padding:22px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-400)}
.breadcrumb a{color:var(--ink-600)}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{color:var(--ink-900);font-weight:600}

/* ---------- Section ---------- */
.section{padding:var(--sp-section) 0}
@media(min-width:1024px){.section{padding:var(--sp-section-lg) 0}}
.section-head{max-width:760px;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--brand-100);color:var(--brand-700);font-size:13px;font-weight:600;margin-bottom:16px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-500)}
.section-head p{margin-top:14px;font-size:16px;color:var(--ink-600)}
.bg-alt{background:var(--bg-alt)}
.bg-dot{
  background-image:radial-gradient(rgba(12,26,22,.08) 1px,transparent 1px);
  background-size:22px 22px;
}

/* ---------- Page hero (compact) ---------- */
.page-hero{
  position:relative;overflow:hidden;background:var(--grad-dark);color:#fff;
  padding:44px 0 48px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  opacity:.22;mix-blend-mode:luminosity;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(47,212,192,.35);box-shadow:0 0 0 46px rgba(47,212,192,.06);
}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{color:#fff;max-width:820px;margin-bottom:16px}
.page-hero .lede{max-width:660px;font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.85)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.badge{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--brand-100);color:var(--brand-700);font-size:12.5px;font-weight:600;
}
.badge b{font-variant-numeric:tabular-nums;font-size:13.5px;font-weight:700;color:var(--brand-700)}
.badge.on-dark{background:rgba(255,255,255,.14);color:#EAF6F1}
.badge.on-dark b{color:#fff}

/* ---------- Chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.4);color:#fff;font-size:14.5px;font-weight:600;background:rgba(255,255,255,.08);
}
.chip:hover{background:rgba(255,255,255,.18);color:#fff}
.chip.active{background:#fff;border-color:#fff;color:var(--brand-700)}
.chips.on-light .chip{border-color:var(--line);color:var(--ink-600);background:#fff}
.chips.on-light .chip:hover{border-color:var(--brand-400);color:var(--brand-700)}
.chips.on-light .chip.active{background:var(--brand-500);border-color:var(--brand-500);color:#fff}

/* ---------- Icon grid 2x3 ---------- */
.icon-grid{display:grid;grid-template-columns:1fr;gap:var(--gap)}
@media(min-width:640px){.icon-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.icon-grid{grid-template-columns:repeat(3,1fr)}}
.icon-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px 24px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  overflow:hidden;
}
.icon-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad-brand);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.icon-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#C9DED3}
.icon-card:hover::before{transform:scaleX(1)}
.icon-box{
  width:52px;height:52px;border-radius:15px;background:var(--brand-100);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.icon-card h3{font-size:18px;margin-bottom:10px}
.icon-card p{font-size:15px;line-height:1.8;color:var(--ink-600)}
.icon-card .meta{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:var(--r-pill);
  background:var(--bg-alt);color:var(--brand-700);font-size:12.5px;font-weight:600;
}
.tag.accent{background:var(--accent-100);color:#C04A15}

/* ---------- Table ---------- */
.table-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-sm);
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.compare{width:100%;border-collapse:collapse;min-width:760px;font-size:15px}
table.compare thead th{
  background:var(--grad-dark);color:#fff;text-align:left;font-weight:600;font-size:14.5px;
  padding:16px 20px;white-space:nowrap;
}
table.compare tbody td{
  padding:16px 20px;border-top:1px solid var(--line);color:var(--ink-600);vertical-align:top;line-height:1.7;
}
table.compare tbody tr{transition:background-color .18s ease}
table.compare tbody tr:nth-child(even){background:#FBFDFC}
table.compare tbody tr:hover{background:var(--brand-100)}
table.compare tbody td:first-child{color:var(--ink-900);font-weight:600}
.table-note{padding:14px 20px;border-top:1px solid var(--line);font-size:13.5px;color:var(--ink-400);background:#FBFDFC}

/* ---------- Split feature ---------- */
.split{display:grid;grid-template-columns:1fr;gap:30px;align-items:center}
@media(min-width:900px){.split{grid-template-columns:1.05fr .95fr;gap:56px}.split.reverse .split-media{order:2}}
.split-media{position:relative}
.split-media img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-block);box-shadow:var(--shadow-md)}
.split-body h3{font-size:22px;margin-bottom:14px}
.split-body p+p{margin-top:14px}
.check-list{margin-top:22px;display:grid;gap:12px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-600)}
.check-list svg{margin-top:4px;color:var(--brand-500)}

/* ---------- Dark stat band ---------- */
.stat-band{background:var(--grad-dark);border-radius:var(--r-block);padding:38px 26px;color:#fff}
@media(min-width:768px){.stat-band{padding:48px 44px}}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
@media(min-width:900px){.stat-grid{grid-template-columns:repeat(4,1fr)}}
.stat-grid .stat-label{font-size:13.5px;color:rgba(255,255,255,.7);margin-bottom:6px}
.stat-grid .stat-value{font-size:34px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;line-height:1.1}
.stat-grid .stat-value small{font-size:15px;font-weight:600;margin-left:2px;color:var(--spark-400)}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:12px;overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item.open{border-color:var(--brand-400);box-shadow:var(--shadow-md)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--ink-900);min-height:56px;
}
.faq-item.open .faq-q{border-left:3px solid var(--brand-500);padding-left:17px}
.faq-icon{
  width:26px;height:26px;border-radius:50%;background:var(--brand-100);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-size:17px;line-height:1;flex:none;
  transition:transform .2s ease,background-color .2s ease;
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--brand-500);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-600)}

/* ---------- CTA band ---------- */
.cta-band{padding:0 0 var(--sp-section)}
@media(min-width:1024px){.cta-band{padding-bottom:var(--sp-section-lg)}}
.cta-inner{
  position:relative;overflow:hidden;background:var(--grad-brand);border-radius:var(--r-block);
  padding:44px 26px;color:#fff;
}
@media(min-width:768px){.cta-inner{padding:56px 52px}}
.cta-inner::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(255,255,255,.35);box-shadow:0 0 0 40px rgba(255,255,255,.08);
}
.cta-inner h2{color:#fff;max-width:620px}
.cta-inner p{margin-top:14px;max-width:600px;color:rgba(255,255,255,.9);font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;position:relative;z-index:2}

/* ---------- Contact block ---------- */
.contact-grid{display:grid;grid-template-columns:1fr;gap:26px}
@media(min-width:900px){.contact-grid{grid-template-columns:.9fr 1.1fr;gap:48px}}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-sm)}
.contact-list{margin-top:18px;display:grid;gap:14px}
.contact-list li{display:flex;gap:10px;align-items:center;font-size:15px}
.contact-list svg{color:var(--brand-600)}
.form-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:20px}
@media(min-width:640px){.form-grid{grid-template-columns:1fr 1fr}.form-grid .full{grid-column:1 / -1}}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:14px;font-weight:600;color:var(--ink-900)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-input);
  background:#fff;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(22,160,111,.14);
}
.field .hint{font-size:13px;color:var(--ink-400)}
.field.error input,.field.error textarea{border-color:#D64545}
.field.error .hint{color:#D64545}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:56px 0 26px;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.site-footer .logo-text strong{color:#fff}
.site-footer .logo-text span{color:rgba(255,255,255,.5)}
.footer-brand p{margin-top:16px;line-height:1.8;color:rgba(255,255,255,.68);max-width:340px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{color:rgba(255,255,255,.72)}
.footer-col a:hover{color:#3DBE8C}
.footer-contact li{display:flex;gap:9px;align-items:center;color:rgba(255,255,255,.72)}
.footer-contact svg{color:#3DBE8C}
.qr-slot{
  margin-top:16px;width:104px;height:104px;border-radius:14px;border:1px dashed rgba(255,255,255,.3);
  display:flex;align-items:center;justify-content:center;text-align:center;font-size:12.5px;line-height:1.6;
  color:rgba(255,255,255,.55);
}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13.5px;color:rgba(255,255,255,.5);
}