/* roulang page: index */
:root{
  --brand:#C7F24C;
  --brand-dim:#B4DE3C;
  --ink:#0E1211;
  --paper:#FAF9F5;
  --warm:#EFEDE6;
  --line:#E3E1DA;
  --accent:#FF5A2B;
  --t1:#3A3F3C;
  --t2:#6E7671;
  --t3:#9AA19B;
  --r-xs:4px;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,18,17,.04);
  --sh-2:0 12px 32px -12px rgba(14,18,17,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-h:64px;
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:1rem;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.en{font-family:"Inter","Space Grotesk","Archivo","Helvetica Neue",Arial,sans-serif;letter-spacing:-.01em;font-variant-numeric:tabular-nums}

/* ---------- container ---------- */
.container,.container-lg,.container-md,.container-sm,.container-xl{
  width:100%;max-width:1320px;margin:0 auto;padding-left:20px;padding-right:20px;
}
@media (max-width:1399.98px){.container,.container-lg,.container-md,.container-sm,.container-xl{max-width:1140px}}
@media (max-width:1199.98px){.container,.container-lg,.container-md,.container-sm,.container-xl{max-width:960px}}
@media (max-width:991.98px){.container,.container-lg,.container-md,.container-sm,.container-xl{max-width:100%}}

/* ---------- header / nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:transparent;border-bottom:1px solid transparent;
  transition:background-color .2s ease,height .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{
  background:rgba(250,249,245,.92);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom-color:var(--line);
  box-shadow:0 1px 0 rgba(14,18,17,.02);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h);gap:20px}
.site-header.is-scrolled .nav-wrap{height:56px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--ink);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.brand-mark svg{width:19px;height:19px;color:var(--brand)}
.brand-text{font-size:1.0625rem;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-link{
  position:relative;font-size:.9375rem;font-weight:500;color:var(--t1);
  padding:6px 0;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;width:0;height:2px;background:var(--brand);
  transform:translateX(-50%);transition:width .28s var(--ease);
}
.nav-link:hover,.nav-link:focus-visible{color:var(--ink)}
.nav-link:hover::after,.nav-link:focus-visible::after,.nav-link.active::after{width:100%}
.nav-link.active{color:var(--ink);font-weight:600}
.nav-right{display:flex;align-items:center;gap:14px;flex-shrink:0}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:rgba(250,249,245,.7);display:flex;align-items:center;justify-content:center;
  color:var(--ink);transition:border-color .2s ease,background-color .2s ease,transform .2s ease;
}
.icon-btn:hover{border-color:var(--ink);transform:translateY(-1px)}
.icon-btn svg{width:17px;height:17px}
.hamburger{
  display:none;width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:rgba(250,249,245,.7);align-items:center;justify-content:center;
}
.hamburger svg{width:20px;height:20px;color:var(--ink)}

/* ---------- buttons ---------- */
.btn{border-radius:var(--r-sm);font-weight:600;font-size:.9375rem;border:1.5px solid transparent;
  transition:all .3s var(--ease);display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn-brand{background:var(--brand);color:var(--ink);padding:14px 26px}
.btn-brand:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);padding:12.5px 24px}
.btn-ghost:hover{background:var(--brand);border-color:var(--brand);transform:translateY(-2px)}
.btn-ink{background:var(--ink);color:var(--paper);padding:14px 26px}
.btn-ink:hover{background:var(--brand);color:var(--ink);transform:translateY(-2px)}
.btn-invert{background:var(--paper);color:var(--ink);padding:14px 26px}
.btn-invert:hover{background:var(--brand);color:var(--ink);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:.875rem}
.btn-block{width:100%}
.link-cta{
  position:relative;display:inline-flex;align-items:center;gap:7px;font-weight:600;font-size:.9375rem;
  color:var(--ink);padding-bottom:3px;
}
.link-cta::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .34s var(--ease)}
.link-cta:hover::after{transform:scaleX(1)}
.link-cta svg{width:15px;height:15px;transition:transform .3s var(--ease)}
.link-cta:hover svg{transform:translateX(4px)}
.link-cta.invert{color:var(--paper)}
.link-cta.invert:hover{color:var(--brand)}

/* ---------- hero ---------- */
.hero{
  position:relative;padding-top:128px;padding-bottom:72px;overflow:hidden;
  background:
    radial-gradient(circle at 82% 12%, rgba(199,242,76,.28), rgba(199,242,76,0) 46%),
    linear-gradient(180deg,#FAF9F5 0%,#FAF9F5 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(14,18,17,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(14,18,17,.035) 1px,transparent 1px);
  background-size:24px 24px;height:46%;pointer-events:none;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,0));
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,0));
}
.hero-grid{position:relative;display:grid;grid-template-columns:55fr 45fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:.75rem;letter-spacing:.12em;
  font-weight:600;color:var(--t1);text-transform:uppercase;margin-bottom:22px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}
h1.hero-title{
  font-size:clamp(2.5rem,5.2vw,4.5rem);font-weight:800;line-height:1.06;letter-spacing:-.02em;
  margin-bottom:22px;
}
h1.hero-title .hl{
  display:inline-block;background:var(--brand);color:var(--ink);
  padding:0 .18em;border-radius:6px;line-height:1.05;
}
.hero-sub{font-size:1.125rem;line-height:1.8;color:var(--t1);max-width:34em;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.hero-stats{display:flex;flex-wrap:wrap;gap:44px;padding-top:26px;border-top:1px solid var(--line)}
.hero-stat b{display:block;font-size:1.875rem;font-weight:800;letter-spacing:-.02em;line-height:1.1}
.hero-stat span{font-size:.8125rem;color:var(--t2)}
.hero-visual{position:relative}
.hero-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/5;
  background:var(--warm);box-shadow:var(--sh-1);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-float{
  position:absolute;right:-22px;bottom:44px;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-md);padding:18px 20px;min-width:210px;box-shadow:var(--sh-2);
}
.hero-float .hf-label{font-size:.75rem;letter-spacing:.12em;color:var(--t2);margin-bottom:6px}
.hero-float .hf-value{font-size:1.75rem;font-weight:800;letter-spacing:-.02em;line-height:1.15}
.hero-float .hf-foot{display:flex;align-items:center;gap:8px;margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
.badge-live{
  font-size:.6875rem;font-weight:700;color:var(--accent);border:1px solid var(--accent);
  border-radius:var(--r-pill);padding:2px 9px;letter-spacing:.04em;
}
.hero-float .hf-note{font-size:.75rem;color:var(--t2)}
.scroll-hint{
  display:inline-flex;align-items:center;gap:8px;margin-top:40px;font-size:.8125rem;color:var(--t2);
}
.scroll-hint svg{width:15px;height:15px;animation:bob 2s var(--ease) infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(4px)}}

/* ---------- anchor bar ---------- */
.anchor-bar{
  position:sticky;top:56px;z-index:1020;background:rgba(250,249,245,.96);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.anchor-scroll{display:flex;gap:30px;height:52px;align-items:center;overflow-x:auto;scrollbar-width:none}
.anchor-scroll::-webkit-scrollbar{display:none}
.anchor-link{
  position:relative;flex:0 0 auto;font-size:.9375rem;font-weight:500;color:var(--t2);
  height:52px;display:flex;align-items:center;transition:color .2s ease;
}
.anchor-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--brand);
  transform:scaleX(0);transition:transform .28s var(--ease);
}
.anchor-link:hover{color:var(--ink)}
.anchor-link.active{color:var(--ink);font-weight:600}
.anchor-link.active::after{transform:scaleX(1)}

/* ---------- sections ---------- */
.section{padding:100px 0}
.section-warm{background:var(--warm)}
.section-ink{background:var(--ink);color:var(--paper)}
.section-head{margin-bottom:40px}
.section-head.split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
h2.section-title{font-size:clamp(1.75rem,3vw,2.5rem);font-weight:700;line-height:1.2;letter-spacing:-.01em}
.section-desc{margin-top:16px;font-size:1.0625rem;line-height:1.8;color:var(--t1);max-width:38em}
.section-ink .section-desc{color:#B7BDB8}
.kicker{font-size:.75rem;letter-spacing:.12em;font-weight:700;color:var(--t2);margin-bottom:14px;text-transform:uppercase}
.section-ink .kicker{color:var(--t3)}

/* ---------- features ---------- */
.features-grid{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start}
.features-aside{position:sticky;top:132px}
.feature-cards{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.feature-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-md);
  padding:28px;transition:border-color .32s var(--ease),transform .32s var(--ease),box-shadow .32s var(--ease);
}
.feature-card:nth-child(even){transform:translateY(34px)}
.feature-card:hover{border-color:var(--brand);transform:translateY(-4px);box-shadow:var(--sh-2)}
.feature-card:nth-child(even):hover{transform:translateY(30px)}
.fc-num{
  font-size:.8125rem;font-weight:700;color:var(--ink);letter-spacing:.08em;
  display:inline-block;padding-bottom:10px;border-bottom:2px solid var(--brand);margin-bottom:20px;
}
.feature-card h3{font-size:1.1875rem;font-weight:600;line-height:1.4;margin-bottom:12px}
.feature-card p{font-size:.9375rem;color:var(--t2);line-height:1.75;margin-bottom:20px}

/* ---------- demo ---------- */
.demo-wrap{display:grid;grid-template-columns:3fr 9fr;gap:48px;align-items:start}
.demo-tabs{display:flex;flex-direction:column;gap:4px}
.demo-tab{
  text-align:left;background:transparent;border:0;border-bottom:1px solid var(--line);
  padding:16px 2px;font-size:1rem;font-weight:600;color:var(--t2);position:relative;
  transition:color .24s ease;
}
.demo-tab::after{
  content:"";position:absolute;left:0;bottom:-1px;width:0;height:2px;background:var(--brand);
  transition:width .3s var(--ease);
}
.demo-tab:hover{color:var(--ink)}
.demo-tab.active{color:var(--ink)}
.demo-tab.active::after{width:100%}
.demo-tab small{display:block;font-size:.8125rem;font-weight:400;color:var(--t3);margin-top:4px}
.demo-panel{position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/10;background:var(--ink);box-shadow:var(--sh-1)}
.demo-panel img{width:100%;height:100%;object-fit:cover;opacity:.94}
.demo-float{
  position:absolute;left:24px;bottom:24px;background:rgba(250,249,245,.96);
  border-radius:var(--r-md);padding:16px 20px;min-width:190px;
}
.demo-float .df-label{font-size:.75rem;letter-spacing:.1em;color:var(--t2)}
.demo-float .df-value{font-size:1.5rem;font-weight:800;letter-spacing:-.02em}
.demo-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.demo-step{padding-top:20px;border-top:2px solid var(--ink)}
.demo-step b{display:block;font-size:.8125rem;letter-spacing:.1em;color:var(--t2);margin-bottom:10px}
.demo-step h3{font-size:1.0625rem;font-weight:600;margin-bottom:8px}
.demo-step p{font-size:.9375rem;color:var(--t2)}

/* ---------- proof ---------- */
.proof-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-bottom:64px}
.metric{padding-top:18px;border-top:2px solid var(--brand)}
.metric b{display:block;font-size:clamp(2.5rem,3.4vw,3.5rem);font-weight:800;letter-spacing:-.03em;line-height:1.05;color:var(--paper)}
.metric span{display:block;margin-top:10px;font-size:.875rem;color:#9AA19B}
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.quote{border-left:2px solid var(--brand);padding-left:20px}
.quote p{font-size:1.0625rem;line-height:1.85;color:#D8DCD9;margin-bottom:14px}
.quote cite{font-style:normal;font-size:.8125rem;color:var(--t3)}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:block;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color .32s var(--ease),transform .32s var(--ease),box-shadow .32s var(--ease);
  height:100%;
}
.news-card:hover{border-color:var(--brand);transform:translateY(-4px);box-shadow:var(--sh-2)}
.news-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--warm)}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.news-card:hover .news-media img{transform:scale(1.04)}
.badge-cat{
  position:absolute;left:12px;top:12px;background:var(--brand);color:var(--ink);
  font-size:.6875rem;font-weight:700;border-radius:var(--r-xs);padding:4px 10px;letter-spacing:.04em;
}
.news-body{padding:22px 24px 24px}
.news-body h3{
  font-size:1.0625rem;font-weight:600;line-height:1.45;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:.875rem;color:var(--t2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
}
.news-foot time{font-size:.8125rem;color:var(--t2)}
.news-foot svg{width:16px;height:16px;color:var(--ink);transition:transform .3s var(--ease)}
.news-card:hover .news-foot svg{transform:translateX(4px)}
.news-empty{
  grid-column:1/-1;text-align:center;padding:56px 20px;border:1px dashed var(--line);border-radius:var(--r-md);
}
.news-empty svg{width:48px;height:48px;color:var(--t3);margin-bottom:14px}
.news-empty p{font-size:.9375rem;color:var(--t2);margin-bottom:18px}

/* ---------- pricing ---------- */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.price-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-md);
  padding:32px 28px;position:relative;transition:border-color .32s var(--ease),box-shadow .32s var(--ease);
}
.price-card:hover{border-color:var(--brand);box-shadow:var(--sh-2)}
.price-card.featured{border:1.5px solid var(--brand);transform:translateY(-12px);box-shadow:var(--sh-2)}
.price-tag{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--brand);color:var(--ink);font-size:.75rem;font-weight:700;
  padding:4px 14px;border-radius:var(--r-pill);letter-spacing:.06em;white-space:nowrap;
}
.price-card h3{font-size:1.1875rem;font-weight:700;margin-bottom:8px}
.price-card .price-note{font-size:.875rem;color:var(--t2);margin-bottom:22px}
.price-value{display:flex;align-items:baseline;gap:6px;margin-bottom:8px}
.price-value b{font-size:2.75rem;font-weight:800;letter-spacing:-.03em;line-height:1}
.price-value span{font-size:.875rem;color:var(--t2)}
.price-line{font-size:.9375rem;color:var(--t1);margin-bottom:22px}
.price-list{margin-bottom:28px}
.price-list li{
  display:flex;gap:10px;align-items:flex-start;font-size:.9375rem;color:var(--t1);
  padding:9px 0;border-bottom:1px solid var(--line);
}
.price-list li svg{width:16px;height:16px;color:var(--brand-dim);flex-shrink:0;margin-top:5px}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start}
.faq-aside{position:sticky;top:132px}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.accordion-button{
  background:transparent;box-shadow:none;padding:20px 56px 20px 0;
  font-size:1.0625rem;font-weight:600;color:var(--ink);line-height:1.5;
}
.accordion-button:not(.collapsed){color:var(--ink);background:transparent;box-shadow:none}
.accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-button::after{display:none}
.acc-icon{
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--ink);
  transition:background-color .3s var(--ease),border-color .3s var(--ease),transform .3s var(--ease);
}
.acc-icon svg{width:13px;height:13px}
.accordion-button:not(.collapsed) .acc-icon{background:var(--brand);border-color:var(--brand);transform:translateY(-50%) rotate(45deg)}
.accordion-body{padding:0 56px 22px 0;font-size:.9375rem;line-height:1.85;color:var(--t1)}

/* ---------- cta band ---------- */
.cta-band{background:var(--ink);color:var(--paper);padding:88px 0;border-bottom:1px solid var(--brand)}
.cta-grid{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-grid h2{font-size:clamp(1.75rem,3vw,2.5rem);font-weight:700;line-height:1.2;margin-bottom:14px}
.cta-grid p{color:#B7BDB8;font-size:1.0625rem;max-width:36em}
.cta-side{display:flex;flex-direction:column;gap:16px;align-items:flex-start}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-contact{font-size:.875rem;color:#9AA19B}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--paper);padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:56px}
.footer-brand .brand-text{color:var(--paper)}
.footer-brand .brand-mark{background:var(--brand)}
.footer-brand .brand-mark svg{color:var(--ink)}
.footer-desc{margin-top:18px;font-size:.875rem;color:#9AA19B;line-height:1.8;max-width:26em}
.footer-social{display:flex;gap:10px;margin-top:22px}
.footer-social a{
  width:38px;height:38px;border-radius:50%;border:1px solid rgba(250,249,245,.16);
  display:flex;align-items:center;justify-content:center;color:#D8DCD9;
  transition:border-color .3s var(--ease),color .3s var(--ease),background-color .3s var(--ease);
}
.footer-social a:hover{border-color:var(--brand);color:var(--brand)}
.footer-social svg{width:16px;height:16px}
.footer-col h4{font-size:.8125rem;letter-spacing:.12em;color:var(--t3);font-weight:600;margin-bottom:20px}
.footer-col li{margin-bottom:12px}
.footer-col a{font-size:.9375rem;color:#D8DCD9;position:relative;display:inline-block;transition:color .24s ease}
.footer-col a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--brand);
  transition:width .3s var(--ease);
}
.footer-col a:hover{color:var(--brand)}
.footer-col a:hover::after{width:100%}
.footer-contact li{font-size:.9375rem;color:#D8DCD9;display:flex;gap:10px;align-items:flex-start;margin-bottom:12px}
.footer-contact svg{width:16px;height:16px;color:var(--brand);flex-shrink:0;margin-top:5px}
.footer-bottom{
  border-top:1px solid rgba(250,249,245,.12);padding:24px 0;display:flex;
  align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.8125rem;color:var(--t3);
}
.footer-bottom .fb-links{display:flex;gap:20px;flex-wrap:wrap}

/* ---------- float cta ---------- */
.float-cta{position:fixed;right:24px;bottom:24px;z-index:1040;opacity:0;pointer-events:none;transform:translateY(12px);transition:opacity .24s ease,transform .24s ease}
.float-cta.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.float-menu{
  display:none;flex-direction:column;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-2);margin-bottom:12px;min-width:180px;
}
.float-menu.open{display:flex}
.float-menu a{
  display:flex;align-items:center;gap:10px;padding:13px 18px;font-size:.9375rem;
  border-bottom:1px solid var(--line);transition:background-color .2s ease;
}
.float-menu a:last-child{border-bottom:0}
.float-menu a:hover{background:var(--warm)}
.float-menu svg{width:16px;height:16px;color:var(--ink)}
.float-toggle{
  display:flex;align-items:center;gap:8px;background:var(--brand);color:var(--ink);
  border:0;border-radius:var(--r-pill);padding:13px 22px;font-weight:700;font-size:.9375rem;
  box-shadow:var(--sh-2);transition:background-color .3s var(--ease),color .3s var(--ease),transform .3s var(--ease);
}
.float-toggle:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
.float-toggle svg{width:17px;height:17px}
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:rgba(250,249,245,.96);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-top:1px solid var(--line);padding:10px 16px;gap:12px;
}
.mobile-bar .btn{flex:1;padding:12px 0;font-size:.9375rem}

/* ---------- offcanvas mobile nav ---------- */
.offcanvas.offcanvas-end{background:var(--paper);width:min(88vw,380px);border-left:1px solid var(--line)}
.offcanvas-header{padding:20px 24px;border-bottom:1px solid var(--line)}
.offcanvas-body{padding:24px;display:flex;flex-direction:column}
.m-nav a{
  display:block;font-size:1.5rem;font-weight:600;padding:16px 0;border-bottom:1px solid var(--line);
  transition:color .24s ease,padding-left .24s ease;
}
.m-nav a:hover,.m-nav a.active{color:var(--ink);padding-left:8px}
.m-nav a.active{color:var(--brand-dim)}
.offcanvas-foot{margin-top:auto;padding-top:24px}
.btn-close{filter:none;opacity:.7}
.btn-close:hover{opacity:1}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .48s var(--ease),transform .48s var(--ease)}
.reveal.in{opacity:1;transform:translateY(0)}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .features-grid,.faq-grid{grid-template-columns:1fr;gap:40px}
  .features-aside,.faq-aside{position:static}
  .demo-wrap{grid-template-columns:1fr;gap:32px}
  .demo-tabs{flex-direction:row;overflow-x:auto;border-bottom:1px solid var(--line)}
  .demo-tab{border-bottom:0;white-space:nowrap;padding:14px 18px 14px 0;flex:0 0 auto}
}
@media (max-width:991.98px){
  .nav-links{display:none}
  .nav-right .btn-brand{display:none}
  .hamburger{display:flex}
  .hero{padding-top:112px;padding-bottom:56px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-float{right:16px;bottom:16px}
  .section{padding:76px 0}
  .features-grid{grid-template-columns:1fr}
  .proof-metrics{grid-template-columns:repeat(2,1fr);gap:24px}
  .quotes{grid-template-columns:1fr;gap:24px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .pricing-grid{grid-template-columns:1fr;gap:32px}
  .price-card.featured{transform:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .float-cta{display:none}
  .mobile-bar{display:flex}
  body{padding-bottom:72px}
}
@media (max-width:767.98px){
  .hero-stats{gap:28px}
  .hero-stat b{font-size:1.5rem}
  .feature-cards{grid-template-columns:1fr}
  .feature-card:nth-child(even){transform:none}
  .feature-card:nth-child(even):hover{transform:translateY(-4px)}
  .demo-steps{grid-template-columns:1fr;gap:20px}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .section{padding:56px 0}
  .hero-float{position:static;right:auto;bottom:auto;margin-top:16px;box-shadow:var(--sh-1)}
  .cta-band{padding:64px 0}
  .anchor-bar{top:56px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  .reveal{transform:none}
  *{animation-duration:.001ms !important;transition-duration:.12s !important}
}

/* roulang page: article */
:root{
  --brand:#C7F24C;
  --ink:#0E1211;
  --paper:#FAF9F5;
  --warm:#EFEDE6;
  --line:#E3E1DA;
  --accent:#FF5A2B;
  --t1:#3A3F3C;
  --t2:#6E7671;
  --t3:#9AA19B;
  --r-xs:4px;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,18,17,.04);
  --sh-2:0 12px 32px -12px rgba(14,18,17,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --ff:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --ff-num:"Space Grotesk","Inter",-apple-system,"PingFang SC",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--t1);
  font-family:var(--ff);
  font-size:1rem;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  padding-bottom:0;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
a:hover{color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding-left:0;list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:var(--r-xs);}
.num{font-family:var(--ff-num);font-variant-numeric:tabular-nums;letter-spacing:-.01em;}

.container{width:100%;max-width:1140px !important;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1400px){.container{max-width:1320px !important;}}
@media (max-width:991.98px){.container{max-width:100% !important;} }

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  transition:background-color .2s var(--ease),border-color .2s var(--ease),backdrop-filter .2s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(250,249,245,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px;transition:height .2s var(--ease);}
.site-header.scrolled .header-inner{height:56px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:750;letter-spacing:-.01em;}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:var(--ink);color:var(--brand);display:flex;align-items:center;justify-content:center;
  transition:transform .32s var(--ease);
}
.brand-mark svg{width:20px;height:20px;}
.brand:hover .brand-mark{transform:rotate(-6deg);}
.brand-text{font-size:1.0625rem;white-space:nowrap;}

.nav-links{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;display:inline-block;
  font-size:.9375rem;font-weight:500;color:var(--ink) !important;
  padding:6px 0 !important;background:transparent !important;border:0;border-radius:0;
  transition:color .24s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;background:var(--brand);
  transition:left .32s var(--ease),right .32s var(--ease);
}
.nav-link:hover::after,.nav-link.active::after{left:0;right:0;}

.header-actions{display:flex;align-items:center;gap:14px;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:transparent;color:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .32s var(--ease),background-color .32s var(--ease),transform .32s var(--ease);
}
.icon-btn svg{width:18px;height:18px;}
.icon-btn:hover{border-color:var(--ink);background:var(--brand);transform:translateY(-2px);}
.hamburger{
  width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--line);background:transparent;
  display:none;align-items:center;justify-content:center;
}
.hamburger span{display:block;width:18px;height:1.5px;background:var(--ink);position:relative;}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--ink);
}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}

/* ---------- Buttons ---------- */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-sm);border:1px solid var(--brand);
  background:var(--brand);color:var(--ink);font-weight:600;font-size:.9375rem;
  transition:background-color .32s var(--ease),color .32s var(--ease),transform .32s var(--ease),border-color .32s var(--ease);
  cursor:pointer;
}
.btn-brand:hover{background:var(--ink);border-color:var(--ink);color:var(--paper);transform:translateY(-2px);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-sm);border:1.5px solid var(--ink);
  background:transparent;color:var(--ink);font-weight:600;font-size:.9375rem;
  transition:background-color .32s var(--ease),color .32s var(--ease),transform .32s var(--ease);
  cursor:pointer;
}
.btn-ghost:hover{background:var(--brand);border-color:var(--brand);color:var(--ink);transform:translateY(-2px);}
.btn-invert{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-sm);border:1px solid var(--paper);
  background:var(--paper);color:var(--ink);font-weight:600;font-size:.9375rem;
  transition:background-color .32s var(--ease),border-color .32s var(--ease),transform .32s var(--ease);
}
.btn-invert:hover{background:var(--brand);border-color:var(--brand);color:var(--ink);transform:translateY(-2px);}
.btn-outline-invert{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-sm);border:1.5px solid rgba(250,249,245,.45);
  background:transparent;color:var(--paper);font-weight:600;font-size:.9375rem;
  transition:border-color .32s var(--ease),background-color .32s var(--ease),transform .32s var(--ease);
}
.btn-outline-invert:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:.875rem;}
.link-cta{
  position:relative;display:inline-block;color:var(--ink);font-weight:600;font-size:.9375rem;padding-bottom:3px;
}
.link-cta::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .32s var(--ease);
}
.link-cta:hover::after{transform:scaleX(1);}

/* ---------- Offcanvas ---------- */
.offcanvas{background:var(--paper);border-left:1px solid var(--line);}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.offcanvas-body{padding:20px;}
.nav-links-mobile{flex-direction:column;align-items:stretch;gap:0;width:100%;}
.nav-links-mobile .nav-link{
  font-size:1.5rem;font-weight:600;padding:16px 0 !important;width:100%;
  border-bottom:1px solid var(--line);
}
.nav-links-mobile .nav-link::after{display:none;}
.nav-links-mobile .nav-link:hover{color:var(--ink);padding-left:8px;}
.offcanvas-cta{margin-top:28px;width:100%;}

/* ---------- Breadcrumb ---------- */
.breadcrumb-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:.8125rem;color:var(--t3);
}
.breadcrumb-bar a{color:var(--t2);transition:color .24s var(--ease);}
.breadcrumb-bar a:hover{color:var(--ink);}
.breadcrumb-bar .sep{color:var(--line);}
.breadcrumb-bar .current{color:var(--t3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:52ch;}

/* ---------- Article head ---------- */
.article-hero{
  padding-top:120px;padding-bottom:40px;position:relative;
  background-image:linear-gradient(rgba(14,18,17,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(14,18,17,.035) 1px,transparent 1px);
  background-size:24px 24px;
  background-position:center top;
}
.article-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:140px;
  background:linear-gradient(to bottom,rgba(250,249,245,0),var(--paper));
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:2;}
.badge-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-xs);
  background:var(--brand);color:var(--ink);font-size:.75rem;font-weight:600;letter-spacing:.08em;white-space:nowrap;
}
.badge-soft{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  border:1px solid var(--accent);color:var(--accent);font-size:.75rem;letter-spacing:.08em;white-space:nowrap;
}
.article-head{margin-top:22px;max-width:900px;}
.article-head h1{
  font-size:clamp(2rem,4.2vw,3rem);line-height:1.15;font-weight:800;letter-spacing:-.02em;color:var(--ink);
  margin-top:18px;
}
.article-lead{
  margin-top:20px;font-size:1.125rem;line-height:1.8;color:var(--t1);max-width:820px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  margin-top:30px;padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  font-size:.875rem;color:var(--t2);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;}
.article-meta svg{width:15px;height:15px;color:var(--t3);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}

.article-cover{margin:40px auto 0;max-width:1000px;}
.article-cover img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-lg);border:1px solid var(--line);
}
.article-cover figcaption{margin-top:10px;font-size:.8125rem;color:var(--t3);text-align:center;}

/* ---------- Article body ---------- */
.article-main{padding:64px 0 80px;background:var(--paper);}
.article-body{
  max-width:760px;margin:0 auto;
  font-size:1.0625rem;line-height:1.9;color:var(--t1);
  word-break:break-word;
}
.article-body > * + *{margin-top:1.4em;}
.article-body p{margin:0;}
.article-body h2{
  position:relative;font-size:1.5rem;font-weight:700;line-height:1.45;color:var(--ink);
  margin-top:48px;padding-left:15px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;width:3px;height:20px;background:var(--brand);border-radius:2px;
}
.article-body h3{font-size:1.1875rem;font-weight:600;line-height:1.5;color:var(--ink);margin-top:36px;}
.article-body h4{font-size:1.0625rem;font-weight:600;color:var(--ink);margin-top:28px;}
.article-body ul,.article-body ol{padding-left:1.5em;margin:0;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body ul li,.article-body ol li{margin-top:.5em;padding-left:.2em;}
.article-body ul li::marker{color:var(--brand);font-size:1.05em;}
.article-body ol li::marker{color:var(--t2);font-family:var(--ff-num);font-size:.9em;}
.article-body strong{color:var(--ink);font-weight:600;}
.article-body a{
  color:var(--ink);text-decoration:underline;text-decoration-color:var(--brand);
  text-decoration-thickness:2px;text-underline-offset:3px;transition:text-decoration-color .24s var(--ease);
}
.article-body a:hover{text-decoration-color:var(--ink);}
.article-body blockquote{
  border-left:4px solid var(--brand);background:var(--warm);
  padding:24px;border-radius:0 var(--r-md) var(--r-md) 0;color:var(--t1);
}
.article-body blockquote p+p{margin-top:.8em;}
.article-body img{border-radius:var(--r-md);margin:32px auto;}
.article-body figure{margin:32px 0;}
.article-body figure img{margin:0 auto;}
.article-body figcaption{margin-top:10px;font-size:.8125rem;color:var(--t3);text-align:center;}
.article-body table{
  width:100%;border-collapse:collapse;font-size:.9375rem;margin:28px 0;
  border-top:1px solid var(--line);
}
.article-body th{
  font-size:.8125rem;font-weight:600;color:var(--t2);text-align:left;letter-spacing:.06em;
  padding:12px 10px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.article-body td{padding:15px 10px;border-bottom:1px solid var(--line);vertical-align:top;}
.article-body pre{
  background:var(--ink);color:var(--paper);padding:20px 22px;border-radius:var(--r-md);
  overflow-x:auto;font-size:.875rem;line-height:1.7;
}
.article-body code{
  background:var(--warm);border:1px solid var(--line);border-radius:var(--r-xs);
  padding:2px 6px;font-size:.875em;
}
.article-body pre code{background:transparent;border:0;padding:0;color:inherit;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0;}

/* ---------- Article foot ---------- */
.article-foot{max-width:760px;margin:56px auto 0;padding-top:28px;border-top:1px solid var(--line);}
.foot-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.tag-pill{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--paper);color:var(--t2);font-size:.8125rem;
  transition:background-color .3s var(--ease),border-color .3s var(--ease),color .3s var(--ease);
}
.tag-pill:hover{background:var(--brand);border-color:var(--brand);color:var(--ink);}
.share-group{display:flex;align-items:center;gap:10px;}
.share-label{font-size:.8125rem;color:var(--t3);letter-spacing:.08em;}
.share-btn{
  position:relative;width:40px;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--paper);color:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;
  transition:background-color .3s var(--ease),border-color .3s var(--ease),transform .3s var(--ease);
  cursor:pointer;
}
.share-btn svg{width:17px;height:17px;}
.share-btn:hover{background:var(--brand);border-color:var(--brand);transform:translateY(-2px);}
.share-btn.copied{background:var(--brand);border-color:var(--brand);}
.share-btn .copy-tip{
  position:absolute;bottom:-34px;left:50%;transform:translateX(-50%) translateY(4px);
  background:var(--ink);color:var(--paper);font-size:.75rem;padding:4px 10px;border-radius:var(--r-xs);
  white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.share-btn.copied .copy-tip{opacity:1;transform:translateX(-50%) translateY(0);}

.back-row{margin-top:34px;}

/* ---------- Related ---------- */
.section{padding:88px 0;}
.section-warm{background:var(--warm);}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:40px;
}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.125rem);font-weight:700;line-height:1.25;color:var(--ink);letter-spacing:-.01em;}
.section-head .sub{margin-top:10px;color:var(--t2);font-size:.9375rem;max-width:56ch;}

.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
  transition:border-color .32s var(--ease),transform .32s var(--ease),box-shadow .32s var(--ease);
}
.news-card:hover{border-color:var(--brand);transform:translateY(-4px);box-shadow:var(--sh-2);}
.news-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--warm);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-thumb .badge-cat{position:absolute;top:12px;left:12px;z-index:2;}
.news-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.news-body h3{
  font-size:1.0625rem;font-weight:600;line-height:1.45;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:.9375rem;color:var(--t2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:.8125rem;color:var(--t3);
}
.news-foot .arrow{transition:transform .32s var(--ease);color:var(--ink);}
.news-card:hover .news-foot .arrow{transform:translateX(4px);}

/* ---------- Empty ---------- */
.empty-state{
  max-width:640px;margin:0 auto;text-align:center;padding:64px 24px;
  border:1px solid var(--line);border-radius:var(--r-md);background:var(--paper);
}
.empty-state svg{width:48px;height:48px;color:var(--t3);margin:0 auto 18px;display:block;}
.empty-state h2{font-size:1.5rem;font-weight:700;color:var(--ink);}
.empty-state p{margin-top:14px;color:var(--t2);font-size:.9375rem;}
.empty-state .btn-brand{margin-top:26px;}

/* ---------- CTA dark ---------- */
.cta-dark{
  position:relative;background:var(--ink);color:var(--paper);overflow:hidden;
  border-bottom:1px solid var(--brand);
}
.cta-dark::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(250,249,245,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(250,249,245,.06) 1px,transparent 1px);
  background-size:24px 24px;opacity:.6;pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding:88px 0;}
.cta-inner h2{font-size:clamp(1.75rem,3vw,2.5rem);font-weight:750;line-height:1.2;letter-spacing:-.02em;color:var(--paper);}
.cta-inner .cta-sub{margin-top:16px;color:rgba(250,249,245,.72);font-size:1rem;max-width:46ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-contact{
  margin-top:22px;display:flex;flex-wrap:wrap;gap:10px 26px;font-size:.875rem;color:rgba(250,249,245,.72);
}
.cta-contact span{display:inline-flex;align-items:center;gap:8px;}
.cta-contact svg{width:15px;height:15px;color:var(--brand);}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(250,249,245,.7);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.site-footer .brand{color:var(--paper);font-weight:750;}
.site-footer .brand-mark{background:var(--brand);color:var(--ink);}
.footer-desc{margin-top:18px;font-size:.9375rem;line-height:1.8;color:rgba(250,249,245,.6);max-width:34ch;}
.footer-social{display:flex;gap:10px;margin-top:22px;}
.footer-social a{
  width:38px;height:38px;border-radius:var(--r-pill);border:1px solid rgba(250,249,245,.18);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(250,249,245,.72);
  transition:border-color .3s var(--ease),color .3s var(--ease),background-color .3s var(--ease);
}
.footer-social a svg{width:17px;height:17px;}
.footer-social a:hover{border-color:var(--brand);color:var(--brand);}
.footer-col h4{
  font-size:.8125rem;font-weight:600;letter-spacing:.12em;color:rgba(250,249,245,.45);margin-bottom:20px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{
  position:relative;font-size:.9375rem;color:rgba(250,249,245,.75);display:inline-block;
  transition:color .3s var(--ease);
}
.footer-col a::after{
  content:"";position:absolute;left:0;bottom:-2px;height:1px;width:100%;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.footer-col a:hover{color:var(--brand);}
.footer-col a:hover::after{transform:scaleX(1);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:.9375rem;color:rgba(250,249,245,.75);}
.footer-contact svg{width:16px;height:16px;flex:0 0 16px;margin-top:4px;color:var(--brand);}
.footer-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid rgba(250,249,245,.12);
  display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:space-between;
  font-size:.8125rem;color:rgba(250,249,245,.5);
}
.footer-bottom .legal{display:flex;flex-wrap:wrap;gap:10px 22px;}

/* ---------- Float CTA ---------- */
.float-cta{position:fixed;right:24px;bottom:24px;z-index:1040;display:flex;flex-direction:column;align-items:flex-end;gap:12px;}
.float-menu{
  display:flex;flex-direction:column;gap:4px;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-md);padding:8px;box-shadow:var(--sh-2);min-width:180px;
  opacity:0;transform:translateY(10px);pointer-events:none;transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.float-cta.open .float-menu{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-menu a{
  font-size:.875rem;color:var(--ink);padding:10px 12px;border-radius:var(--r-sm);
  transition:background-color .24s var(--ease);
}
.float-menu a:hover{background:var(--warm);}
.float-main{
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 22px;border-radius:var(--r-pill);
  border:1px solid var(--brand);background:var(--brand);color:var(--ink);font-weight:600;font-size:.9375rem;
  box-shadow:var(--sh-2);cursor:pointer;
  transition:background-color .32s var(--ease),color .32s var(--ease),transform .32s var(--ease);
}
.float-main:hover{background:var(--ink);border-color:var(--ink);color:var(--paper);transform:translateY(-2px);}
.float-main svg{width:17px;height:17px;}
.mobile-bar{display:none;}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .48s var(--ease),transform .48s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .nav-links{gap:22px;}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .hamburger{display:inline-flex;}
  .header-actions .icon-btn{display:none;}
  .article-hero{padding-top:100px;}
  .cta-inner{grid-template-columns:1fr;gap:32px;padding:64px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .section{padding:76px 0;}
}
@media (max-width:767.98px){
  .float-cta{display:none;}
  .mobile-bar{
    display:grid;grid-template-columns:1fr 1fr;gap:10px;position:fixed;left:0;right:0;bottom:0;z-index:1040;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    background:rgba(250,249,245,.96);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
    border-top:1px solid var(--line);height:60px;align-items:center;
  }
  .mb-btn{
    display:inline-flex;align-items:center;justify-content:center;height:40px;border-radius:var(--r-sm);
    font-size:.9375rem;font-weight:600;
  }
  .mb-btn.ghost{border:1.5px solid var(--ink);color:var(--ink);}
  .mb-btn.solid{background:var(--brand);border:1px solid var(--brand);color:var(--ink);}
  body{padding-bottom:72px;}
  .news-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .article-hero{padding-top:92px;padding-bottom:28px;}
  .article-lead{font-size:1rem;}
  .article-main{padding:44px 0 64px;}
  .article-body{font-size:1rem;line-height:1.85;}
  .article-body h2{font-size:1.3125rem;}
  .section{padding:56px 0;}
  .cta-inner{padding:56px 0;}
  .cta-actions .btn-brand,.cta-actions .btn-outline-invert{width:100%;}
  .share-group{width:100%;}
  .breadcrumb-bar .current{max-width:32ch;}
}
@media (max-width:575.98px){
  .article-head h1{font-size:1.75rem;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  .reveal{transform:none;transition:opacity .3s linear;}
  html{scroll-behavior:auto;}
  *{transition-duration:.01ms !important;}
}

/* roulang page: category1 */
:root{
  --brand:#C7F24C;
  --brand-deep:#B4E036;
  --ink:#0E1211;
  --paper:#FAF9F5;
  --warm:#EFEDE6;
  --line:#E3E1DA;
  --accent:#FF5A2B;
  --t1:#3A3F3C;
  --t2:#6E7671;
  --t3:#9AA19B;
  --r-xs:4px;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,18,17,.04);
  --sh-2:0 12px 32px -12px rgba(14,18,17,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Archivo","Space Grotesk",-apple-system,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:1rem;
  line-height:1.75;
  color:var(--t1);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease),border-color .24s var(--ease),background-color .24s var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
figure{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.nums{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.01em}

.container{width:100%;max-width:1320px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:992px){.container{max-width:960px;padding-left:24px;padding-right:24px}}
@media (min-width:1200px){.container{max-width:1140px}}
@media (min-width:1400px){.container{max-width:1320px}}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:.9375rem;line-height:1;padding:14px 26px;border-radius:var(--r-sm);border:1.5px solid transparent;transition:all .32s var(--ease);white-space:nowrap}
.btn-brand{background:var(--brand);color:var(--ink);border-color:var(--brand)}
.btn-brand:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--brand);border-color:var(--brand);color:var(--ink);transform:translateY(-2px)}
.btn-ghost.is-light{color:var(--paper);border-color:rgba(250,249,245,.45)}
.btn-ghost.is-light:hover{background:var(--brand);border-color:var(--brand);color:var(--ink)}
.btn-invert{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.btn-invert:hover{background:var(--brand);border-color:var(--brand);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:.875rem}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:.9375rem;color:var(--ink);position:relative;padding-bottom:4px}
.link-arrow::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--brand);transition:right .32s var(--ease)}
.link-arrow:hover::after{right:0}
.link-arrow svg{width:16px;height:16px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round;transition:transform .32s var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- 标签 / 徽章 ---------- */
.tag{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-xs);background:var(--brand);color:var(--ink);font-size:.75rem;font-weight:600;letter-spacing:.12em}
.tag-soft{background:var(--warm);color:var(--t1);letter-spacing:.06em}
.badge-dot{display:inline-flex;align-items:center;gap:8px;font-size:.8125rem;color:var(--t2)}
.badge-dot i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-num);font-size:.75rem;letter-spacing:.16em;text-transform:uppercase;color:var(--t2);font-weight:600}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--brand)}

/* ---------- 顶部导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1100;height:64px;display:flex;align-items:center;background:transparent;border-bottom:1px solid transparent;transition:height .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),backdrop-filter .2s var(--ease)}
.site-header.scrolled{height:56px;background:rgba(250,249,245,.92);backdrop-filter:blur(8px);border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--brand);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-weight:700;font-size:1.0625rem;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;font-size:.9375rem;font-weight:500;color:var(--ink);padding:6px 0;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;background:var(--brand);transition:left .28s var(--ease),right .28s var(--ease)}
.nav-link:hover::after,.nav-link.active::after{left:0;right:0}
.header-side{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.icon-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--ink);background:transparent;transition:all .28s var(--ease)}
.icon-btn:hover{border-color:var(--ink);background:var(--warm)}
.icon-btn svg{width:18px;height:18px;stroke:currentColor;stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round}
.hamburger{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);display:none;align-items:center;justify-content:center;color:var(--ink)}
.hamburger span{display:block;width:16px;height:1.5px;background:currentColor;position:relative}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:16px;height:1.5px;background:currentColor}
.hamburger span::before{top:-5px}
.hamburger span::after{top:5px}
@media (max-width:991px){
  .nav-links{display:none}
  .hamburger{display:inline-flex}
  .header-side .btn-brand{display:none}
}
.mobile-menu{position:fixed;inset:0;z-index:1300;background:var(--paper);padding:24px 20px 32px;display:none;flex-direction:column;gap:8px}
.mobile-menu.open{display:flex}
.mobile-menu-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.mobile-menu .m-link{font-size:1.5rem;font-weight:700;color:var(--ink);padding:14px 0;border-bottom:1px solid var(--line)}
.mobile-menu .m-link.active{color:var(--ink)}
.mobile-menu .m-link.active::before{content:"";display:inline-block;width:10px;height:10px;background:var(--brand);border-radius:3px;margin-right:12px;vertical-align:middle}
.mobile-menu .btn{margin-top:auto;width:100%}
.mobile-close{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;font-size:1.25rem;color:var(--ink)}

/* ---------- 面包屑 ---------- */
.crumbs{padding:96px 0 0}
.crumb-list{display:flex;align-items:center;gap:8px;font-size:.8125rem;color:var(--t2);flex-wrap:wrap}
.crumb-list .sep{color:var(--t3)}
.crumb-list .current{color:var(--t3)}
.crumb-list a:hover{color:var(--ink)}

/* ---------- 紧凑 Hero ---------- */
.hero-cat{position:relative;overflow:hidden;padding:32px 0 72px}
.hero-cat::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(14,18,17,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(14,18,17,.035) 1px,transparent 1px);background-size:24px 24px;-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 72%);mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 72%);pointer-events:none}
.hero-cat .container{position:relative}
.hero-title{font-size:clamp(2rem,4vw,3.25rem);line-height:1.1;letter-spacing:-.02em;font-weight:800;margin:18px 0 0}
.hero-title .hl{position:relative;display:inline-block}
.hero-title .hl::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:8px;background:var(--brand);z-index:-1;border-radius:2px}
.hero-sub{margin-top:20px;font-size:1.0625rem;line-height:1.8;color:var(--t1);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-facts{display:flex;flex-wrap:wrap;gap:32px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line)}
.hero-facts .fact strong{display:block;font-family:var(--font-num);font-size:1.75rem;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-facts .fact span{font-size:.8125rem;color:var(--t2)}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);aspect-ratio:4/5;background:var(--warm)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media .float-card{position:absolute;left:-18px;bottom:24px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-md);padding:14px 18px;box-shadow:var(--sh-2);min-width:180px}
.hero-media .float-card b{display:block;font-family:var(--font-num);font-size:1.375rem;color:var(--ink);font-variant-numeric:tabular-nums}
.hero-media .float-card small{display:block;font-size:.75rem;color:var(--t2);letter-spacing:.06em}
.hero-media .float-card .tag{margin-top:10px}
@media (max-width:991px){
  .hero-media{aspect-ratio:16/10;margin-top:36px}
  .hero-media .float-card{left:auto;right:12px;bottom:12px;padding:10px 14px;min-width:150px}
  .hero-media .float-card b{font-size:1.125rem}
  .hero-facts{gap:24px}
}

/* 移动端锚点横滚 */
.anchor-strip{display:flex;gap:10px;overflow-x:auto;padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:8px;scrollbar-width:none}
.anchor-strip::-webkit-scrollbar{display:none}
.anchor-strip a{flex:0 0 auto;font-size:.875rem;font-weight:500;color:var(--t2);padding:6px 14px;border:1px solid var(--line);border-radius:var(--r-pill);background:var(--paper)}
.anchor-strip a.active{color:var(--ink);border-color:var(--ink);background:var(--brand);font-weight:600}

/* ---------- 主内容两栏 ---------- */
.main-body{padding:56px 0 0}
.anchor-nav{position:sticky;top:88px}
.anchor-title{font-size:.75rem;letter-spacing:.14em;color:var(--t3);font-weight:600;margin-bottom:14px}
.anchor-nav a{display:block;position:relative;padding:10px 0 10px 16px;font-size:.9375rem;color:var(--t2);border-left:1px solid var(--line)}
.anchor-nav a::before{content:"";position:absolute;left:-1px;top:8px;bottom:8px;width:3px;background:transparent;border-radius:2px;transition:background-color .28s var(--ease)}
.anchor-nav a:hover{color:var(--ink)}
.anchor-nav a.active{color:var(--ink);font-weight:600}
.anchor-nav a.active::before{background:var(--brand)}
.anchor-aside-card{margin-top:28px;background:var(--warm);border-radius:var(--r-md);padding:22px}
.anchor-aside-card h4{font-size:.9375rem;margin-bottom:8px}
.anchor-aside-card p{font-size:.8125rem;color:var(--t2);line-height:1.7}
.anchor-aside-card .btn{margin-top:16px;width:100%;padding:12px 18px;font-size:.875rem}

.content-stack{display:flex;flex-direction:column;gap:72px}
.feature-row{scroll-margin-top:88px}
.feature-text h3{font-size:1.25rem;line-height:1.4;margin:16px 0 14px}
.feature-text p{color:var(--t1);font-size:.9375rem;line-height:1.85;margin-bottom:12px}
.feature-text .link-arrow{margin-top:8px}
.media-frame{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);background:var(--warm);aspect-ratio:4/3}
.media-frame img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.media-frame:hover img{transform:scale(1.04)}
@media (min-width:992px){
  .feature-row .col-lg-6 + .col-lg-6{padding-left:48px}
  .feature-row.reverse .feature-media{order:2}
  .feature-row.reverse .feature-text{order:1}
}

/* ---------- 选型要点列表 ---------- */
.check-list{margin-top:6px;display:grid;gap:10px}
.check-list li{position:relative;padding-left:24px;font-size:.9375rem;color:var(--t1)}
.check-list li::before{content:"";position:absolute;left:0;top:.6em;width:12px;height:12px;border-radius:3px;background:var(--brand)}

/* ---------- FAQ ---------- */
.faq-section{background:var(--warm);padding:100px 0;scroll-margin-top:88px}
.faq-acc{background:transparent}
.faq-acc .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0}
.faq-acc .accordion-item:first-child{border-top:1px solid var(--line)}
.faq-acc .accordion-header{margin:0}
.faq-acc .accordion-button{display:flex;align-items:center;gap:16px;width:100%;background:transparent;box-shadow:none;padding:20px 0;font-size:1.0625rem;font-weight:600;color:var(--ink);text-align:left}
.faq-acc .accordion-button:not(.collapsed){color:var(--ink);background:transparent;box-shadow:none}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--brand);outline-offset:2px}
.faq-acc .accordion-button::after{display:none}
.acc-icon{width:26px;height:26px;border:1px solid var(--line);border-radius:50%;position:relative;margin-left:auto;flex:0 0 auto;background:var(--paper);transition:all .32s var(--ease)}
.acc-icon::before,.acc-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--ink);transform:translate(-50%,-50%)}
.acc-icon::before{width:11px;height:1.5px}
.acc-icon::after{width:1.5px;height:11px}
.faq-acc .accordion-button:not(.collapsed) .acc-icon{background:var(--brand);border-color:var(--brand);transform:rotate(45deg)}
.faq-acc .accordion-body{padding:0 0 22px;font-size:.9375rem;line-height:1.85;color:var(--t1);max-width:760px}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--ink);color:var(--paper);padding:88px 0;border-bottom:1px solid var(--brand);scroll-margin-top:88px}
.cta-band h2{color:var(--paper);font-size:clamp(1.75rem,3vw,2.5rem);line-height:1.2}
.cta-band p{color:rgba(250,249,245,.72);margin-top:16px;font-size:.9375rem;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-contact{margin-top:20px;font-size:.875rem;color:rgba(250,249,245,.62)}
.cta-contact b{color:var(--paper);font-family:var(--font-num);font-variant-numeric:tabular-nums;font-weight:600}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(250,249,245,.72);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand-text{color:var(--paper)}
.footer-brand .brand-mark{background:var(--brand);color:var(--ink)}
.footer-desc{margin-top:18px;font-size:.875rem;line-height:1.8;max-width:320px}
.footer-social{display:flex;gap:12px;margin-top:22px}
.footer-social a{width:38px;height:38px;border:1px solid rgba(250,249,245,.18);border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:rgba(250,249,245,.72)}
.footer-social a:hover{border-color:var(--brand);color:var(--ink);background:var(--brand)}
.footer-social svg{width:17px;height:17px}
.footer-col h4{font-size:.8125rem;letter-spacing:.12em;color:var(--t3);font-weight:600;margin-bottom:18px}
.footer-col li{margin-bottom:12px}
.footer-col a{position:relative;font-size:.9375rem;color:rgba(250,249,245,.72)}
.footer-col a::after{content:"";position:absolute;left:0;right:100%;bottom:-3px;height:1px;background:var(--brand);transition:right .3s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-col a:hover::after{right:0}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:.875rem;line-height:1.7}
.footer-contact svg{width:16px;height:16px;flex:0 0 auto;margin-top:4px;stroke:var(--brand);stroke-width:1.5;fill:none;stroke-linecap:round;stroke-linejoin:round}
.footer-bottom{margin-top:56px;border-top:1px solid rgba(250,249,245,.12);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;font-size:.8125rem;color:rgba(250,249,245,.5)}
.footer-bottom a{color:rgba(250,249,245,.5)}
.footer-bottom a:hover{color:var(--brand)}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding-top:56px}
}

/* ---------- 浮动 CTA ---------- */
.float-cta{position:fixed;right:24px;bottom:24px;z-index:1200;display:flex;flex-direction:column;align-items:flex-end;gap:12px;opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity .24s var(--ease),transform .24s var(--ease)}
.float-cta.show{opacity:1;transform:none;pointer-events:auto}
.float-panel{display:none;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-md);padding:8px;min-width:184px;box-shadow:var(--sh-2)}
.float-cta.open .float-panel{display:flex}
.float-panel a{padding:10px 12px;border-radius:var(--r-sm);font-size:.9375rem;color:var(--t1)}
.float-panel a:hover{background:var(--warm);color:var(--ink)}
.float-main{display:inline-flex;align-items:center;gap:8px;background:var(--brand);color:var(--ink);font-weight:600;font-size:.9375rem;padding:13px 22px;border-radius:var(--r-pill);box-shadow:var(--sh-2);transition:all .32s var(--ease)}
.float-main:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
.float-main svg{width:16px;height:16px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.mobile-cta-bar{position:fixed;left:0;right:0;bottom:0;height:60px;z-index:1200;display:none;background:rgba(250,249,245,.96);backdrop-filter:blur(8px);border-top:1px solid var(--line)}
.mobile-cta-bar a{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:.9375rem;color:var(--ink)}
.mobile-cta-bar a.primary{background:var(--brand)}
.mobile-cta-bar a svg{width:16px;height:16px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
@media (max-width:767px){
  .float-cta{display:none}
  .mobile-cta-bar{display:flex}
  body{padding-bottom:72px}
}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .48s var(--ease),transform .48s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{transform:none;transition:opacity .3s linear}
  html{scroll-behavior:auto}
}

/* ---------- 板块通用 ---------- */
.section{padding:100px 0;scroll-margin-top:88px}
.section-alt{background:var(--warm)}
.section-head{max-width:640px;margin-bottom:40px}
.section-head h2{font-size:clamp(1.75rem,3vw,2.5rem);line-height:1.2;margin-top:16px}
.section-head p{margin-top:16px;color:var(--t1);font-size:.9375rem}
@media (max-width:991px){
  .section{padding:76px 0}
  .hero-cat{padding-bottom:56px}
  .crumbs{padding-top:88px}
}
@media (max-width:575px){
  .section{padding:56px 0}
  .content-stack{gap:52px}
}

/* roulang page: category2 */
:root{
      --brand:#C7F24C;
      --brand-soft:#E6FBA8;
      --ink:#0E1211;
      --paper:#FAF9F5;
      --paper-2:#EFEDE6;
      --line:#E3E1DA;
      --amber:#FF5A2B;
      --t1:#3A3F3C;
      --t2:#6E7671;
      --t3:#9AA19B;
      --r-xs:4px;
      --r-sm:8px;
      --r-md:14px;
      --r-lg:22px;
      --r-pill:999px;
      --sh-1:0 1px 2px rgba(14,18,17,.04);
      --sh-2:0 12px 32px -12px rgba(14,18,17,.18);
      --ease:cubic-bezier(.22,.61,.36,1);
      --nav-h:64px;
      --font-num:"Space Grotesk","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
      --font-cn:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",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:1rem;
      line-height:1.75;
      color:var(--t1);
      background:var(--paper);
      -webkit-font-smoothing:antialiased;
      padding-bottom:0;
    }
    img{max-width:100%;display:block;}
    a{color:inherit;text-decoration:none;}
    button{font-family:inherit;}
    h1,h2,h3,h4,p,ul,ol{margin:0;}
    ul,ol{padding:0;list-style:none;}
    :focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
    .num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.01em;}

    .container{
      width:100%;
      margin-right:auto;
      margin-left:auto;
      padding-right:20px;
      padding-left:20px;
    }
    @media(min-width:576px){.container{max-width:540px;}}
    @media(min-width:768px){.container{max-width:720px;}}
    @media(min-width:992px){.container{max-width:960px;padding-right:24px;padding-left:24px;}}
    @media(min-width:1200px){.container{max-width:1140px;}}
    @media(min-width:1400px){.container{max-width:1320px;}}

    /* ---------- 通用按钮 ---------- */
    .btn-brand,
    .btn-ghost,
    .btn-invert,
    .btn-outline-invert{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      font-size:.9375rem;
      font-weight:600;
      line-height:1;
      padding:14px 26px;
      border-radius:var(--r-sm);
      border:1.5px solid transparent;
      cursor:pointer;
      transition:background-color .32s var(--ease),color .32s var(--ease),transform .32s var(--ease),border-color .32s var(--ease);
      white-space:nowrap;
    }
    .btn-brand{background:var(--brand);color:var(--ink);}
    .btn-brand:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px);}
    .btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
    .btn-ghost:hover{background:var(--brand);border-color:var(--brand);transform:translateY(-2px);}
    .btn-invert{background:var(--paper);color:var(--ink);}
    .btn-invert:hover{background:var(--brand);color:var(--ink);transform:translateY(-2px);}
    .btn-outline-invert{background:transparent;color:var(--paper);border-color:rgba(250,249,245,.4);}
    .btn-outline-invert:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
    .btn-sm{padding:11px 20px;font-size:.875rem;}

    .link-arrow{
      display:inline-flex;
      align-items:center;
      gap:6px;
      font-size:.875rem;
      font-weight:600;
      color:var(--ink);
      position:relative;
      padding-bottom:4px;
    }
    .link-arrow svg{width:16px;height:16px;transition:transform .3s var(--ease);}
    .link-arrow::after{
      content:"";
      position:absolute;
      left:0;
      bottom:0;
      width:100%;
      height:2px;
      background:var(--brand);
      transform:scaleX(0);
      transform-origin:left center;
      transition:transform .32s var(--ease);
    }
    .link-arrow:hover::after{transform:scaleX(1);}
    .link-arrow:hover svg{transform:translateX(4px);}

    /* ---------- 顶部导航 ---------- */
    .site-header{
      position:fixed;
      top:0;
      left:0;
      right:0;
      z-index:1030;
      height:var(--nav-h);
      background:transparent;
      border-bottom:1px solid transparent;
      transition:background-color .2s linear,height .2s linear,border-color .2s linear,backdrop-filter .2s linear;
    }
    .site-header.is-scrolled{
      height:56px;
      background:rgba(250,249,245,.92);
      -webkit-backdrop-filter:blur(8px);
      backdrop-filter:blur(8px);
      border-bottom-color:var(--line);
    }
    .header-inner{
      height:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .header-left{display:flex;align-items:center;gap:40px;min-width:0;}
    .header-right{display:flex;align-items:center;gap:14px;}

    .brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
    .brand-mark{
      width:34px;height:34px;
      display:inline-flex;align-items:center;justify-content:center;
      background:var(--brand);
      color:var(--ink);
      border-radius:9px;
      flex:0 0 auto;
    }
    .brand-mark svg{width:19px;height:19px;}
    .brand-text{
      font-size:1.0625rem;
      font-weight:700;
      letter-spacing:-.01em;
      color:var(--ink);
      white-space:nowrap;
    }

    .nav-links{display:flex;align-items:center;gap:28px;}
    .nav-link{
      position:relative;
      font-size:.9375rem;
      font-weight:500;
      color:var(--t1);
      padding:6px 0;
      transition:color .24s var(--ease);
      white-space:nowrap;
    }
    .nav-link::after{
      content:"";
      position:absolute;
      left:0;right:0;bottom:0;
      height:2px;
      background:var(--brand);
      transform:scaleX(0);
      transform-origin:center;
      transition:transform .3s var(--ease);
    }
    .nav-link:hover{color:var(--ink);}
    .nav-link:hover::after{transform:scaleX(1);}
    .nav-link.active{color:var(--ink);font-weight:600;}
    .nav-link.active::after{transform:scaleX(1);}

    .icon-btn{
      width:40px;height:40px;
      border-radius:var(--r-pill);
      border:1px solid var(--line);
      background:transparent;
      color:var(--ink);
      display:inline-flex;align-items:center;justify-content:center;
      transition:background-color .3s var(--ease),border-color .3s var(--ease),transform .3s var(--ease);
    }
    .icon-btn svg{width:18px;height:18px;}
    .icon-btn:hover{background:var(--brand);border-color:var(--brand);transform:translateY(-2px);}

    .hamburger{
      width:40px;height:40px;
      border:1px solid var(--line);
      border-radius:var(--r-sm);
      background:transparent;
      display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
      transition:border-color .3s var(--ease);
    }
    .hamburger span{display:block;width:18px;height:1.5px;background:var(--ink);transition:transform .3s var(--ease);}
    .hamburger:hover{border-color:var(--brand);}

    .site-drawer{background:var(--paper);border-left:1px solid var(--line);width:min(88vw,360px);}
    .site-drawer .offcanvas-header{padding:20px 24px;border-bottom:1px solid var(--line);}
    .site-drawer .offcanvas-body{padding:24px;display:flex;flex-direction:column;justify-content:space-between;gap:32px;}
    .drawer-nav{display:flex;flex-direction:column;}
    .drawer-link{
      font-size:1.375rem;
      font-weight:600;
      color:var(--ink);
      padding:18px 0;
      border-bottom:1px solid var(--line);
      display:flex;align-items:center;justify-content:space-between;
    }
    .drawer-link::after{
      content:"";
      width:8px;height:8px;
      border-top:1.5px solid var(--t3);
      border-right:1.5px solid var(--t3);
      transform:rotate(45deg);
    }
    .drawer-link.active{color:var(--ink);}
    .drawer-link.active::after{border-color:var(--brand);}

    /* ---------- Hero ---------- */
    .page-hero{
      position:relative;
      overflow:hidden;
      padding:calc(var(--nav-h) + 72px) 0 64px;
      min-height:48vh;
      display:flex;
      align-items:center;
      text-align:center;
      background:var(--paper);
    }
    .page-hero::before{
      content:"";
      position:absolute;
      inset:0;
      background-image:url(/assets/images/backpic/back-1.png);
      background-size:cover;
      background-position:center;
      opacity:.08;
    }
    .page-hero::after{
      content:"";
      position:absolute;
      left:0;right:0;top:0;
      height:40%;
      background-image:linear-gradient(rgba(14,18,17,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(14,18,17,.035) 1px,transparent 1px);
      background-size:24px 24px;
      pointer-events:none;
    }
    .page-hero .container{position:relative;z-index:2;}
    .hero-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      background:var(--brand);
      color:var(--ink);
      font-size:.75rem;
      font-weight:600;
      letter-spacing:.12em;
      padding:7px 14px;
      border-radius:var(--r-pill);
      margin-bottom:26px;
    }
    .hero-badge .dot{
      width:7px;height:7px;border-radius:50%;
      background:var(--amber);
      display:inline-block;
    }
    .hero-title{
      font-size:clamp(2.25rem,5vw,4rem);
      font-weight:800;
      line-height:1.06;
      letter-spacing:-.02em;
      color:var(--ink);
      max-width:15ch;
      margin:0 auto;
    }
    .hero-sub{
      margin:22px auto 0;
      max-width:34ch;
      font-size:1.0625rem;
      line-height:1.8;
      color:var(--t2);
    }
    .hero-divider{
      width:100%;
      max-width:760px;
      height:1px;
      background:var(--line);
      margin:40px auto 0;
    }
    .hero-stats{
      display:flex;
      justify-content:center;
      flex-wrap:wrap;
      gap:0;
      margin-top:32px;
    }
    .stat{
      padding:0 42px;
      position:relative;
      text-align:center;
    }
    .stat + .stat::before{
      content:"";
      position:absolute;
      left:0;top:8px;bottom:8px;
      width:1px;
      background:var(--line);
    }
    .stat-num{
      display:block;
      font-family:var(--font-num);
      font-variant-numeric:tabular-nums;
      font-size:clamp(1.75rem,3vw,2.5rem);
      font-weight:700;
      line-height:1.1;
      color:var(--ink);
      letter-spacing:-.02em;
    }
    .stat-label{
      display:block;
      margin-top:6px;
      font-size:.875rem;
      color:var(--t2);
    }

    /* ---------- 板块通用 ---------- */
    .section{padding:100px 0;background:var(--paper);}
    .section-alt{background:var(--paper-2);}
    .section-dark{background:var(--ink);color:var(--paper);}
    .section-head{margin-bottom:40px;max-width:720px;}
    .section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:10px;
      font-size:.75rem;
      font-weight:700;
      letter-spacing:.12em;
      color:var(--t2);
      text-transform:uppercase;
      margin-bottom:16px;
    }
    .eyebrow::before{
      content:"";
      width:20px;height:2px;background:var(--brand);display:inline-block;
    }
    .section-head h2{
      font-size:clamp(1.75rem,3vw,2.5rem);
      font-weight:700;
      line-height:1.2;
      letter-spacing:-.02em;
      color:var(--ink);
    }
    .section-head p{
      margin-top:16px;
      font-size:1rem;
      line-height:1.8;
      color:var(--t2);
    }
    .section-dark .section-head h2{color:var(--paper);}
    .section-dark .section-head p{color:rgba(250,249,245,.7);}
    .section-dark .eyebrow{color:rgba(250,249,245,.6);}

    /* ---------- 卡片矩阵 ---------- */
    .grid-cards{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:28px;
    }
    .feature-card{
      background:var(--paper);
      border:1px solid var(--line);
      border-radius:var(--r-md);
      overflow:hidden;
      box-shadow:var(--sh-1);
      display:flex;
      flex-direction:column;
      transition:transform .32s var(--ease),border-color .32s var(--ease),box-shadow .32s var(--ease);
    }
    .feature-card:hover{
      transform:translateY(-4px);
      border-color:var(--brand);
      box-shadow:var(--sh-2);
    }
    .card-media{
      display:block;
      aspect-ratio:4/3;
      overflow:hidden;
      background:var(--paper-2);
    }
    .card-media img{
      width:100%;height:100%;object-fit:cover;
      transition:transform .5s var(--ease);
    }
    .feature-card:hover .card-media img{transform:scale(1.04);}
    .card-body{
      padding:26px 28px 28px;
      display:flex;
      flex-direction:column;
      gap:12px;
      flex:1;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      align-self:flex-start;
      height:26px;
      padding:0 12px;
      border-radius:var(--r-xs);
      background:var(--brand);
      color:var(--ink);
      font-size:.75rem;
      font-weight:600;
      letter-spacing:.06em;
    }
    .tag-amber{
      background:transparent;
      border:1px solid var(--amber);
      color:var(--amber);
    }
    .card-body h3{
      font-size:1.1875rem;
      font-weight:600;
      line-height:1.4;
      color:var(--ink);
    }
    .card-body p{
      font-size:.9375rem;
      line-height:1.75;
      color:var(--t2);
    }
    .card-body .link-arrow{margin-top:auto;}

    /* ---------- 对照表 ---------- */
    .table-wrap{
      border-top:1px solid var(--line);
      overflow-x:auto;
    }
    .compare-table{
      width:100%;
      min-width:720px;
      border-collapse:collapse;
      background:transparent;
    }
    .compare-table th{
      font-size:.8125rem;
      font-weight:600;
      letter-spacing:.12em;
      color:var(--t3);
      text-align:left;
      padding:18px 18px 16px;
      border-bottom:1px solid var(--line);
      white-space:nowrap;
    }
    .compare-table td{
      padding:18px;
      height:56px;
      font-size:.9375rem;
      color:var(--t1);
      border-bottom:1px solid var(--line);
      vertical-align:middle;
    }
    .compare-table td:first-child{
      font-weight:600;
      color:var(--ink);
      white-space:nowrap;
    }
    .compare-table tbody tr{transition:background-color .28s var(--ease);}
    .compare-table tbody tr:hover{background:var(--paper);}
    .section-alt .compare-table tbody tr:hover{background:var(--paper);}
    .compare-table .num{font-size:.875rem;color:var(--t2);}

    /* ---------- 落地步骤 ---------- */
    .step-list{
      display:grid;
      grid-template-columns:repeat(5,minmax(0,1fr));
      gap:24px;
      position:relative;
    }
    .step{
      background:var(--paper);
      border:1px solid var(--line);
      border-radius:var(--r-md);
      padding:26px 24px 28px;
      position:relative;
      transition:transform .32s var(--ease),border-color .32s var(--ease),box-shadow .32s var(--ease);
    }
    .step:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--sh-2);}
    .step-num{
      display:block;
      font-family:var(--font-num);
      font-variant-numeric:tabular-nums;
      font-size:1.5rem;
      font-weight:700;
      color:var(--ink);
      letter-spacing:-.01em;
    }
    .step-num::after{
      content:"";
      display:block;
      width:28px;height:2px;
      background:var(--brand);
      margin-top:12px;
    }
    .step h3{
      margin-top:16px;
      font-size:1.0625rem;
      font-weight:600;
      color:var(--ink);
      line-height:1.4;
    }
    .step p{
      margin-top:10px;
      font-size:.875rem;
      line-height:1.7;
      color:var(--t2);
    }

    /* ---------- FAQ ---------- */
    .faq-layout{
      display:grid;
      grid-template-columns:minmax(0,4fr) minmax(0,8fr);
      gap:56px;
      align-items:start;
    }
    .faq-aside{position:sticky;top:96px;}
    .faq-aside h2{
      font-size:clamp(1.75rem,3vw,2.5rem);
      font-weight:700;
      line-height:1.2;
      letter-spacing:-.02em;
      color:var(--ink);
    }
    .faq-aside p{
      margin-top:16px;
      font-size:.9375rem;
      line-height:1.8;
      color:var(--t2);
    }
    .faq-accordion .accordion-item{
      background:transparent;
      border:0;
      border-bottom:1px solid var(--line);
      border-radius:0;
    }
    .faq-accordion .accordion-header{margin:0;}
    .faq-accordion .accordion-button{
      background:transparent;
      border:0;
      border-radius:0;
      box-shadow:none;
      padding:22px 60px 22px 0;
      font-size:1.0625rem;
      font-weight:600;
      color:var(--ink);
      line-height:1.5;
      position:relative;
    }
    .faq-accordion .accordion-button:not(.collapsed){background:transparent;color:var(--ink);box-shadow:none;}
    .faq-accordion .accordion-button:focus{box-shadow:none;border:0;}
    .faq-accordion .accordion-button::after{display:none;}
    .faq-icon{
      position:absolute;
      right:0;
      top:50%;
      transform:translateY(-50%);
      width:30px;height:30px;
      border:1px solid var(--line);
      border-radius:50%;
      transition:background-color .3s var(--ease),border-color .3s var(--ease);
    }
    .faq-icon::before,
    .faq-icon::after{
      content:"";
      position:absolute;
      left:50%;top:50%;
      background:var(--ink);
      transform:translate(-50%,-50%);
    }
    .faq-icon::before{width:12px;height:1.5px;}
    .faq-icon::after{width:1.5px;height:12px;transition:transform .3s var(--ease);}
    .accordion-button:not(.collapsed) .faq-icon{background:var(--brand);border-color:var(--brand);}
    .accordion-button:not(.collapsed) .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);}
    .faq-accordion .accordion-body{
      padding:0 60px 24px 0;
      font-size:.9375rem;
      line-height:1.8;
      color:var(--t2);
    }

    /* ---------- 底部 CTA ---------- */
    .cta-band{
      background:var(--ink);
      color:var(--paper);
      padding:80px 0;
      border-bottom:1px solid var(--brand);
    }
    .cta-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:48px;
    }
    .cta-inner h2{
      font-size:clamp(1.75rem,3.2vw,2.5rem);
      font-weight:700;
      line-height:1.2;
      letter-spacing:-.02em;
    }
    .cta-inner p{
      margin-top:14px;
      font-size:.9375rem;
      line-height:1.8;
      color:rgba(250,249,245,.7);
      max-width:46ch;
    }
    .cta-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;flex:0 0 auto;}

    /* ---------- 页脚 ---------- */
    .site-footer{
      background:var(--ink);
      color:rgba(250,249,245,.72);
      padding:72px 0 0;
      font-size:.9375rem;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) minmax(0,1fr) minmax(0,1.2fr);
      gap:48px;
      padding-bottom:56px;
    }
    .footer-brand .brand{margin-bottom:20px;}
    .footer-brand .brand-text{color:var(--paper);}
    .footer-desc{
      font-size:.875rem;
      line-height:1.8;
      color:rgba(250,249,245,.6);
      max-width:34ch;
    }
    .footer-social{display:flex;gap:12px;margin-top:24px;}
    .footer-social a{
      width:40px;height:40px;
      border-radius:50%;
      border:1px solid rgba(250,249,245,.16);
      display:inline-flex;align-items:center;justify-content:center;
      color:rgba(250,249,245,.75);
      transition:background-color .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease),transform .3s var(--ease);
    }
    .footer-social a svg{width:18px;height:18px;}
    .footer-social a:hover{background:var(--brand);border-color:var(--brand);color:var(--ink);transform:translateY(-2px);}

    .footer-col h4{
      font-size:.8125rem;
      font-weight:600;
      letter-spacing:.12em;
      color:rgba(250,249,245,.5);
      margin-bottom:20px;
    }
    .footer-col ul{display:flex;flex-direction:column;gap:12px;}
    .footer-col a{
      position:relative;
      font-size:.9375rem;
      color:rgba(250,249,245,.72);
      transition:color .28s var(--ease);
    }
    .footer-col a::after{
      content:"";
      position:absolute;
      left:0;right:0;bottom:-2px;
      height:1px;
      background:var(--brand);
      transform:scaleX(0);
      transform-origin:left center;
      transition:transform .3s var(--ease);
    }
    .footer-col a:hover{color:var(--brand);}
    .footer-col a:hover::after{transform:scaleX(1);}
    .footer-contact li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:rgba(250,249,245,.72);
      line-height:1.7;
    }
    .footer-contact svg{width:16px;height:16px;flex:0 0 auto;margin-top:5px;color:var(--brand);}

    .footer-bottom{
      border-top:1px solid rgba(250,249,245,.12);
      padding:22px 0 28px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      font-size:.8125rem;
      color:rgba(250,249,245,.5);
    }
    .footer-bottom .num{letter-spacing:0;}

    /* ---------- 浮动 CTA ---------- */
    .float-cta{
      position:fixed;
      right:24px;
      bottom:24px;
      z-index:1040;
      display:flex;
      flex-direction:column;
      align-items:flex-end;
      gap:12px;
      opacity:0;
      visibility:hidden;
      transform:translateY(12px);
      transition:opacity .24s linear,transform .24s var(--ease),visibility .24s linear;
    }
    .float-cta.show{opacity:1;visibility:visible;transform:none;}
    .float-toggle{
      display:inline-flex;
      align-items:center;
      gap:8px;
      background:var(--brand);
      color:var(--ink);
      font-size:.875rem;
      font-weight:600;
      padding:14px 22px;
      border:0;
      border-radius:var(--r-pill);
      cursor:pointer;
      transition:background-color .32s var(--ease),color .32s var(--ease),transform .32s var(--ease);
    }
    .float-toggle svg{width:16px;height:16px;}
    .float-toggle:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px);}
    .float-menu{
      display:none;
      flex-direction:column;
      background:var(--paper);
      border:1px solid var(--line);
      border-radius:var(--r-md);
      padding:8px;
      min-width:168px;
      box-shadow:var(--sh-2);
    }
    .float-menu.open{display:flex;}
    .float-menu a{
      padding:11px 14px;
      font-size:.875rem;
      color:var(--ink);
      border-radius:var(--r-sm);
      transition:background-color .24s var(--ease);
    }
    .float-menu a:hover{background:var(--paper-2);}

    .mobile-bar{
      display:none;
      position:fixed;
      left:0;right:0;bottom:0;
      z-index:1040;
      height:60px;
      padding:0 16px;
      align-items:center;
      gap:12px;
      background:rgba(250,249,245,.96);
      -webkit-backdrop-filter:blur(8px);
      backdrop-filter:blur(8px);
      border-top:1px solid var(--line);
      transform:translateY(100%);
      transition:transform .24s var(--ease);
    }
    .mobile-bar.show{transform:none;}
    .mobile-bar .btn-ghost,
    .mobile-bar .btn-brand{flex:1;padding:12px 16px;}

    /* ---------- 进入动画 ---------- */
    [data-reveal]{
      opacity:0;
      transform:translateY(16px);
      transition:opacity .48s var(--ease),transform .48s var(--ease);
    }
    [data-reveal].is-visible{opacity:1;transform:none;}

    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto;}
      [data-reveal]{transform:none;transition:opacity .3s linear;}
      .feature-card,.step,.btn-brand,.btn-ghost,.btn-invert,.btn-outline-invert{transition:none;}
    }

    /* ---------- 响应式 ---------- */
    @media (max-width:1199px){
      .faq-layout{gap:40px;}
      .step-list{grid-template-columns:repeat(3,minmax(0,1fr));}
    }
    @media (max-width:991px){
      .nav-links{display:none;}
      .header-left{gap:16px;}
      .page-hero{padding:calc(var(--nav-h) + 56px) 0 56px;}
      .section{padding:76px 0;}
      .grid-cards{grid-template-columns:1fr;gap:20px;}
      .faq-layout{grid-template-columns:1fr;}
      .faq-aside{position:static;}
      .cta-inner{flex-direction:column;align-items:flex-start;gap:28px;}
      .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:40px;}
      .step-list{grid-template-columns:repeat(2,minmax(0,1fr));}
      .float-cta{display:none;}
      .mobile-bar{display:flex;}
      body{padding-bottom:72px;}
    }
    @media (max-width:767px){
      .hero-stats{gap:20px;}
      .stat{padding:0 20px;}
      .hero-divider{margin-top:32px;}
      .footer-grid{grid-template-columns:1fr;gap:36px;}
      .step-list{grid-template-columns:1fr;}
      .compare-table td,.compare-table th{padding:14px 12px;}
      .faq-accordion .accordion-body{padding-right:0;}
      .cta-actions{width:100%;}
      .cta-actions .btn-brand,
      .cta-actions .btn-outline-invert{flex:1;}
    }
    @media (max-width:519px){
      .hero-title{font-size:2rem;}
      .hero-sub{font-size:1rem;}
      .card-body{padding:22px 20px 24px;}
      .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
    }