/* roulang page: index */
:root{
  --c-primary:#3A2E8C;
  --c-primary-deep:#241C63;
  --c-accent:#CBFF4D;
  --c-accent-soft:#EEFFC2;
  --c-secondary:#FF6B35;
  --c-secondary-soft:#FFE7DC;
  --c-ink:#171526;
  --c-text:#3B3850;
  --c-muted:#7A7690;
  --c-bg:#F6F5F1;
  --c-surface:#FFFFFF;
  --c-line:#E4E1DA;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-card:0 2px 4px rgba(23,21,38,.04), 0 12px 28px rgba(23,21,38,.06);
  --sh-card-hover:0 4px 10px rgba(23,21,38,.06), 0 20px 40px rgba(23,21,38,.10);
  --sh-dock:0 6px 24px rgba(23,21,38,.08);
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:48px; --sp-6:64px; --sp-7:96px;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"SFMono-Regular",Consolas,"Roboto Mono","Helvetica Neue",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:1rem;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1{font-size:clamp(2.4rem,5vw,3.5rem);line-height:1.15;font-weight:900;color:var(--c-ink);letter-spacing:-.01em}
h2{font-size:clamp(1.7rem,3vw,2.25rem);line-height:1.25;font-weight:700;color:var(--c-ink)}
h3{font-size:1.25rem;line-height:1.4;font-weight:600;color:var(--c-ink)}
p{font-size:1.0625rem;color:var(--c-text)}
small,.small{font-size:.875rem;letter-spacing:.02em;color:var(--c-muted)}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;border-radius:6px}
::selection{background:var(--c-accent);color:var(--c-ink)}

/* ---------- Foundation 栅格覆盖 ---------- */
.grid-container{max-width:1200px;margin:0 auto;padding:0 32px}
.grid-x{display:flex;flex-wrap:wrap;margin:0 -12px}
.cell{flex:0 0 auto;width:100%;padding:0 12px}
@media screen and (min-width:768px){
  .medium-4{width:33.3333%}
  .medium-5{width:41.6667%}
  .medium-6{width:50%}
  .medium-7{width:58.3333%}
  .medium-8{width:66.6667%}
}
@media screen and (min-width:1024px){
  .large-3{width:25%}
  .large-4{width:33.3333%}
  .large-5{width:41.6667%}
  .large-6{width:50%}
  .large-7{width:58.3333%}
  .large-8{width:66.6667%}
}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- 顶部 Dock 导航 ---------- */
.dock-wrap{
  position:fixed;
  top:20px;left:0;right:0;
  z-index:900;
  padding:0 20px;
  transition:top .25s ease;
}
.dock{
  max-width:1080px;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:12px 14px 12px 20px;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-dock);
  transition:padding .25s ease,box-shadow .25s ease,background-color .25s ease;
}
.dock-wrap.is-scrolled{top:10px}
.dock-wrap.is-scrolled .dock{
  padding:8px 12px 8px 18px;
  box-shadow:0 10px 30px rgba(23,21,38,.14);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:26px;height:26px;border-radius:9px;
  background:linear-gradient(135deg,var(--c-primary) 0%,#5B4BD6 100%);
  position:relative;
  box-shadow:0 4px 12px rgba(58,46,140,.35);
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;
  background:var(--c-accent);border-radius:3px;
  transform:rotate(45deg);
}
.brand-text{font-size:1.0625rem;font-weight:700;color:var(--c-ink);letter-spacing:.01em}
.dock-menu{display:flex;align-items:center;gap:6px;margin:0}
.dock-menu a{
  display:inline-block;
  padding:8px 16px;
  font-size:.9375rem;
  font-weight:600;
  color:var(--c-text);
  border-radius:var(--r-pill);
  position:relative;
}
.dock-menu a:hover{color:var(--c-primary);background:rgba(58,46,140,.06)}
.dock-menu a.active{color:var(--c-primary);background:var(--c-accent-soft)}
.dock-menu a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:3px;background:var(--c-primary);
}
.dock-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-ink);border:1px solid var(--c-line);
  background:#fff;transition:.2s ease;
}
.icon-btn:hover{background:var(--c-accent-soft);border-color:var(--c-accent)}
.burger{display:none;width:38px;height:38px;border-radius:50%;border:1px solid var(--c-line);background:#fff;align-items:center;justify-content:center}
.burger span{display:block;width:16px;height:2px;background:var(--c-ink);position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--c-ink)}
.burger span::before{top:-5px}
.burger span::after{top:5px}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,21,38,.45);
  opacity:0;visibility:hidden;transition:.25s ease;z-index:950;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82%;max-width:340px;
  background:var(--c-surface);z-index:960;
  transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  padding:26px 22px;display:flex;flex-direction:column;gap:22px;
  box-shadow:-16px 0 40px rgba(23,21,38,.16);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer nav{display:flex;flex-direction:column;gap:6px}
.drawer nav a{
  padding:13px 16px;border-radius:12px;font-weight:600;color:var(--c-ink);
  border:1px solid var(--c-line);
}
.drawer nav a.active{background:var(--c-accent-soft);border-color:var(--c-accent);color:var(--c-primary)}
.drawer nav a:hover{border-color:var(--c-secondary);color:var(--c-primary)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;
  font-size:1rem;font-weight:700;
  border-radius:var(--r-btn);
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
  border:1.5px solid transparent;
  white-space:nowrap;
}
.btn-primary{
  background:var(--c-accent);color:var(--c-ink);
  box-shadow:0 6px 18px rgba(203,255,77,.45);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(203,255,77,.55);background:#D8FF6B}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(203,255,77,.4)}
.btn-ghost{
  background:transparent;color:var(--c-ink);border-color:var(--c-ink);
}
.btn-ghost:hover{background:var(--c-accent-soft);border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--c-primary);border-color:rgba(255,255,255,.7)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.22)}
.btn-sm{padding:10px 20px;font-size:.9375rem}
.btn-block{width:100%}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:.8125rem;font-weight:600;letter-spacing:.04em;
  background:var(--c-secondary-soft);color:#A63A12;
}
.badge-accent{background:var(--c-accent-soft);color:#3C5A0C}
.badge-primary{background:rgba(58,46,140,.10);color:var(--c-primary)}
.tagline{display:inline-block;font-family:var(--font-num);font-size:.8125rem;letter-spacing:.14em;text-transform:uppercase;color:var(--c-secondary);font-weight:700}

/* ---------- 首屏 Hero ---------- */
.hero{position:relative;padding:168px 0 96px;overflow:hidden}
.hero::before{
  content:"";position:absolute;top:-160px;right:-180px;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(203,255,77,.55),rgba(203,255,77,0) 66%);
  z-index:0;
}
.hero::after{
  content:"";position:absolute;left:-120px;bottom:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(58,46,140,.14),rgba(58,46,140,0) 68%);
  z-index:0;
}
.hero-grid{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;gap:56px}
.hero-copy{flex:1 1 520px;min-width:280px}
.hero-visual{flex:1 1 420px;min-width:280px;position:relative}
.hero-visual .frame{
  position:relative;border-radius:24px;overflow:hidden;
  border:2px solid var(--c-accent);
  box-shadow:0 24px 60px rgba(23,21,38,.18);
  aspect-ratio:4/3;
  background:var(--c-line);
}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover}
.hero-visual .frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(58,46,140,.42) 0%,rgba(23,21,38,.08) 55%,rgba(23,21,38,.34) 100%);
}
.hero-float{
  position:absolute;left:-18px;bottom:26px;
  background:#fff;border:1px solid var(--c-line);border-radius:16px;
  padding:14px 18px;box-shadow:var(--sh-card);
  display:flex;align-items:center;gap:12px;
}
.hero-float .num{font-family:var(--font-num);font-size:1.5rem;font-weight:700;color:var(--c-primary);line-height:1}
.hero-float .txt{font-size:.8125rem;color:var(--c-muted);letter-spacing:.02em}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 15px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);
  font-size:.8125rem;font-weight:600;color:var(--c-primary);letter-spacing:.06em;
  margin-bottom:22px;
}
.eyebrow i{color:var(--c-secondary)}
.hero h1{margin-bottom:20px}
.hero-sub{font-size:1.125rem;line-height:1.8;color:var(--c-text);max-width:600px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.trust-bar{display:flex;flex-wrap:wrap;gap:36px;padding-top:26px;border-top:1px solid var(--c-line)}
.trust-bar li{display:flex;flex-direction:column;gap:2px}
.trust-bar strong{font-family:var(--font-num);font-size:1.5rem;font-weight:700;color:var(--c-ink);line-height:1.2}
.trust-bar span{font-size:.8125rem;color:var(--c-muted);letter-spacing:.04em}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px}
.section-head .lead{max-width:640px;margin-top:12px;color:var(--c-muted);font-size:1rem}
.section-head h2{margin-top:10px}
.section-link{font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:8px}
.section-link:hover{color:var(--c-secondary);gap:12px}
.divider{height:1px;background:var(--c-line);border:0;margin:0}

/* ---------- 三步上手 ---------- */
.steps{display:flex;flex-wrap:wrap;gap:0;position:relative}
.step{
  flex:1 1 300px;min-width:260px;position:relative;
  padding:30px 26px 30px 0;
}
.step:not(:last-child)::after{
  content:"";position:absolute;right:20px;top:56px;width:44px;
  border-top:2px dashed rgba(58,46,140,.28);
}
.step-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px 26px;height:100%;box-shadow:var(--sh-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);border-color:var(--c-secondary)}
.step-num{
  font-family:var(--font-num);font-size:2.5rem;font-weight:900;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px var(--c-primary);
  display:block;margin-bottom:16px;
}
.step-card:hover .step-num{color:var(--c-accent);-webkit-text-stroke:1.5px var(--c-primary)}
.step-card h3{margin-bottom:12px}
.step-card p{font-size:.9375rem;color:var(--c-muted);line-height:1.8}

/* ---------- 案例证明 ---------- */
.proof-grid{display:flex;flex-wrap:wrap;gap:24px}
.proof-main{
  flex:1 1 480px;min-width:280px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.proof-main:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);border-color:var(--c-secondary)}
.proof-cover{aspect-ratio:16/10;overflow:hidden;background:var(--c-line);position:relative}
.proof-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.proof-main:hover .proof-cover img{transform:scale(1.04)}
.proof-body{padding:28px;display:flex;flex-direction:column;gap:14px}
.proof-body h3{font-size:1.35rem}
.proof-body p{font-size:.9375rem;color:var(--c-muted)}
.proof-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:6px;padding-top:18px;border-top:1px dashed var(--c-line)}
.proof-stats strong{display:block;font-family:var(--font-num);font-size:1.55rem;color:var(--c-primary);line-height:1.2}
.proof-stats span{font-size:.8125rem;color:var(--c-muted)}
.proof-side{flex:1 1 320px;min-width:260px;display:flex;flex-direction:column;gap:20px}
.proof-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;display:flex;gap:18px;align-items:flex-start;flex:1;
  box-shadow:var(--sh-card);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.proof-item:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);border-color:var(--c-secondary)}
.proof-item .ico{
  width:46px;height:46px;flex:0 0 46px;border-radius:14px;
  background:var(--c-accent-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:1.05rem;
}
.proof-item h3{font-size:1.0625rem;margin-bottom:6px}
.proof-item p{font-size:.875rem;color:var(--c-muted);line-height:1.7}
.proof-item .result{font-family:var(--font-num);font-weight:700;color:var(--c-secondary);margin-top:8px;display:inline-block;font-size:.9375rem}

/* ---------- 能力图文交替 ---------- */
.feature-row{display:flex;flex-wrap:wrap;align-items:center;gap:56px;padding:40px 0}
.feature-row.reverse{flex-direction:row-reverse}
.feature-text{flex:1 1 440px;min-width:280px}
.feature-media{flex:1 1 420px;min-width:280px}
.feature-media .frame{
  border-radius:var(--r-img);overflow:hidden;aspect-ratio:3/2;background:var(--c-line);
  border:1px solid var(--c-line);box-shadow:var(--sh-card);position:relative;
}
.feature-media .frame img{width:100%;height:100%;object-fit:cover}
.feature-media .frame::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(58,46,140,0) 40%,rgba(23,21,38,.28) 100%);
}
.feature-text h2{margin:14px 0 16px}
.feature-text > p{color:var(--c-muted);margin-bottom:24px}
.check-list{display:flex;flex-direction:column;gap:14px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:.96875rem}
.check-list i{color:var(--c-secondary);margin-top:6px;font-size:.8rem}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.pill{
  padding:7px 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);
  font-size:.875rem;font-weight:600;color:var(--c-text);
  transition:.2s ease;
}
.pill:hover{border-color:var(--c-accent);background:var(--c-accent-soft);color:var(--c-primary)}

/* ---------- 最新信息 CMS ---------- */
.news-band{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.post-grid{display:flex;flex-wrap:wrap;gap:24px}
.post-card{
  flex:1 1 320px;min-width:270px;max-width:100%;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--sh-card);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);border-color:var(--c-secondary)}
.post-cover{aspect-ratio:16/10;overflow:hidden;background:var(--c-line);position:relative}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.post-card:hover .post-cover img{transform:scale(1.03)}
.post-cover .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);color:#A63A12}
.post-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-body h3{
  font-size:1.0625rem;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card:hover h3{color:var(--c-primary)}
.post-body p{
  font-size:.9375rem;color:var(--c-muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;padding-top:16px;border-top:1px dashed var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.post-meta time{font-family:var(--font-num);font-size:.8125rem;color:var(--c-muted);letter-spacing:.03em}
.post-meta .more{font-size:.875rem;font-weight:700;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px}
.empty-state{
  width:100%;background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-card);
  padding:56px 28px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px;
}
.empty-state .ico{
  width:60px;height:60px;border-radius:50%;background:var(--c-accent-soft);
  color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:1.4rem;
}
.empty-state p{color:var(--c-muted);font-size:.96875rem}

/* ---------- FAQ ---------- */
.faq-list{max-width:920px;margin:0 auto;border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line);position:relative}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:26px 8px 26px 16px;text-align:left;
  font-size:1.0625rem;font-weight:600;color:var(--c-ink);
  transition:color .2s ease,padding-left .2s ease;
}
.faq-q:hover{color:var(--c-primary);padding-left:22px}
.faq-item::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:3px;
  background:var(--c-accent);opacity:0;transition:opacity .25s ease;
}
.faq-item.is-open::before{opacity:1}
.faq-q .chev{
  width:32px;height:32px;flex:0 0 32px;border-radius:50%;
  border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;
  font-size:.8rem;color:var(--c-primary);
  transition:transform .25s ease,background-color .25s ease,border-color .25s ease;
}
.faq-item.is-open .faq-q .chev{transform:rotate(180deg);background:var(--c-accent);border-color:var(--c-accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 60px 26px 16px;color:var(--c-muted);font-size:.96875rem;line-height:1.85}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--c-ink) 0%,var(--c-primary) 100%);
  border-radius:24px;padding:52px 48px;position:relative;overflow:hidden;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:30px;
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(203,255,77,.28),rgba(203,255,77,0) 68%);
}
.cta-band h2{color:#fff;position:relative;z-index:1}
.cta-band p{color:rgba(255,255,255,.72);margin-top:12px;max-width:520px;position:relative;z-index:1}
.cta-band .cta-actions{position:relative;z-index:1;display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.cta-note{font-size:.8125rem;color:rgba(255,255,255,.6);letter-spacing:.02em}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:96px}
.footer-grid{display:flex;flex-wrap:wrap;gap:48px;padding-bottom:48px}
.footer-col{flex:1 1 220px;min-width:200px}
.footer-brand{flex:1.6 1 280px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{margin-top:18px;font-size:.9375rem;color:rgba(255,255,255,.62);line-height:1.85;max-width:360px}
.footer-col h3{color:#fff;font-size:1rem;margin-bottom:20px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:.9375rem;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:var(--c-accent)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:.9375rem;color:rgba(255,255,255,.68)}
.footer-contact i{color:var(--c-accent);margin-top:6px;font-size:.85rem}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:24px 0 32px;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:.875rem;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--c-accent)}

/* 返回顶部 */
.to-top{
  position:fixed;right:22px;bottom:24px;width:46px;height:46px;border-radius:50%;
  background:var(--c-ink);color:var(--c-accent);display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 28px rgba(23,21,38,.28);z-index:800;
  opacity:0;visibility:hidden;transform:translateY(12px);transition:.25s ease;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--c-primary)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .wrap,.grid-container{padding:0 24px}
  .section{padding:72px 0}
  .hero{padding:150px 0 72px}
  .dock-menu{display:none}
  .burger{display:inline-flex}
  .dock-right .btn-sm{display:none}
  .step:not(:last-child)::after{display:none}
  .step{padding:0;flex:1 1 100%}
  .steps{gap:20px}
  .footer-grid{gap:36px}
}
@media screen and (max-width:768px){
  body{font-size:.96875rem}
  .wrap,.grid-container{padding:0 20px}
  .section{padding:56px 0}
  .hero{padding:132px 0 56px}
  .hero-grid{gap:36px}
  .hero-visual{order:2}
  .hero-sub{font-size:1rem}
  .trust-bar{gap:24px}
  .trust-bar li{flex:1 1 40%}
  .feature-row{padding:24px 0;gap:32px}
  .cta-band{padding:36px 26px;border-radius:18px}
  .cta-band h2{font-size:1.5rem}
  .proof-stats{gap:20px}
  .faq-a p{padding-right:24px}
  .dock{padding:10px 12px 10px 16px}
  .hero-float{left:auto;right:14px;bottom:14px;padding:12px 14px}
  .site-footer{margin-top:56px;padding-top:52px}
}
@media screen and (max-width:520px){
  h1{font-size:clamp(1.85rem,8vw,2.3rem)}
  h2{font-size:1.4rem}
  .wrap,.grid-container{padding:0 16px}
  .hero{padding:120px 0 48px}
  .hero-actions{gap:10px}
  .btn{padding:12px 20px;font-size:.9375rem;width:100%}
  .hero-actions .btn{width:100%}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions .btn{width:100%}
  .brand-text{font-size:.96875rem}
  .dock{gap:12px}
  .faq-q{font-size:.96875rem;padding:20px 4px 20px 12px}
  .faq-a p{padding:0 20px 20px 12px}
  .to-top{right:14px;bottom:16px;width:42px;height:42px}
}

/* roulang page: article */
:root{
  --c-primary:#3A2E8C;
  --c-primary-deep:#2A2170;
  --c-accent:#CBFF4D;
  --c-accent-soft:#EEFFC2;
  --c-secondary:#FF6B35;
  --c-secondary-soft:#FFE6DC;
  --c-ink:#171526;
  --c-text:#3B3850;
  --c-muted:#7A7690;
  --c-bg:#F6F5F1;
  --c-surface:#FFFFFF;
  --c-line:#E4E1DA;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-card:0 2px 4px rgba(23,21,38,.04), 0 12px 28px rgba(23,21,38,.06);
  --sh-hover:0 6px 10px rgba(23,21,38,.06), 0 22px 44px rgba(23,21,38,.12);
  --sh-dock:0 2px 6px rgba(23,21,38,.05), 0 16px 40px rgba(23,21,38,.09);
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:48px; --sp-6:64px; --sp-7:96px;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-mono:"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:1rem;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--c-secondary);}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{color:var(--c-ink);margin:0;font-weight:700;letter-spacing:-.01em;}
h1{font-size:clamp(2.4rem,5vw,3.5rem);line-height:1.15;font-weight:900;}
h2{font-size:clamp(1.7rem,3vw,2.25rem);line-height:1.25;}
h3{font-size:1.25rem;line-height:1.4;font-weight:600;}
p{margin:0 0 var(--sp-3);}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:var(--c-accent);color:var(--c-ink);}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--sp-7) 0;}
.section-tight{padding:var(--sp-6) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-3);margin-bottom:var(--sp-5);}
.section-head p{margin:var(--sp-1) 0 0;color:var(--c-muted);font-size:.9375rem;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.8125rem;letter-spacing:.14em;text-transform:uppercase;color:var(--c-primary);font-weight:600;margin-bottom:var(--sp-2);}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--c-accent);border-radius:2px;}

/* ---------- Dock 导航 ---------- */
.dock-wrap{position:sticky;top:14px;z-index:80;padding:0 20px;transition:top .25s ease;}
.dock{
  max-width:1080px;margin:0 auto;
  display:flex;align-items:center;gap:var(--sp-3);
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  padding:10px 12px 10px 20px;
  box-shadow:var(--sh-dock);
  transition:padding .25s ease,box-shadow .25s ease,background .25s ease;
}
.dock-wrap.is-scrolled .dock{padding:7px 10px 7px 18px;box-shadow:0 6px 12px rgba(23,21,38,.08),0 24px 54px rgba(23,21,38,.16);}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:22px;height:22px;border-radius:7px;background:var(--c-primary);position:relative;display:inline-block;transform:rotate(12deg);}
.brand-mark::after{content:"";position:absolute;inset:5px 5px auto auto;width:8px;height:8px;background:var(--c-accent);border-radius:3px;}
.brand-text{font-weight:900;font-size:1.0625rem;color:var(--c-ink);letter-spacing:-.02em;white-space:nowrap;}
.dock-menu{display:flex;align-items:center;gap:4px;margin:0 auto;flex:1 1 auto;justify-content:center;}
.dock-menu li{list-style:none;}
.dock-menu a{
  display:inline-block;padding:9px 16px;border-radius:var(--r-pill);
  font-size:.9375rem;font-weight:600;color:var(--c-text);white-space:nowrap;
  transition:color .2s ease,background .2s ease,box-shadow .2s ease;
}
.dock-menu a:hover{color:var(--c-primary);background:var(--c-accent-soft);}
.dock-menu a.active{color:var(--c-ink);background:var(--c-accent);box-shadow:0 4px 12px rgba(203,255,77,.5);}
.dock-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--c-line);
  background:#fff;color:var(--c-ink);display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.icon-btn:hover{border-color:var(--c-secondary);color:var(--c-secondary);transform:translateY(-2px);}
.burger{display:none;width:44px;height:40px;border:1px solid var(--c-line);background:#fff;border-radius:var(--r-pill);position:relative;}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:50%;transform:translateX(-50%);width:18px;height:2px;background:var(--c-ink);border-radius:2px;content:"";transition:.2s ease;
}
.burger span{top:19px;}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

/* 移动端抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(23,21,38,.45);opacity:0;visibility:hidden;transition:.25s ease;z-index:90;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(84vw,340px);background:#fff;z-index:95;
  transform:translateX(105%);transition:transform .28s ease;padding:28px 24px;
  display:flex;flex-direction:column;gap:var(--sp-3);box-shadow:-20px 0 50px rgba(23,21,38,.16);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer h3{font-size:.8125rem;letter-spacing:.14em;color:var(--c-muted);text-transform:uppercase;margin-bottom:4px;}
.drawer a.drawer-link{display:block;padding:14px 16px;border-radius:var(--r-img);font-weight:600;color:var(--c-ink);background:var(--c-bg);border:1px solid var(--c-line);margin-bottom:10px;}
.drawer a.drawer-link:hover{background:var(--c-accent-soft);color:var(--c-primary);}
.drawer-close{align-self:flex-end;width:40px;height:40px;border-radius:50%;border:1px solid var(--c-line);background:#fff;color:var(--c-ink);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);font-weight:700;font-size:.9375rem;
  border:1.5px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  line-height:1.2;text-align:center;
}
.btn-primary{background:var(--c-accent);color:var(--c-ink);border-color:var(--c-accent);box-shadow:0 6px 18px rgba(203,255,77,.45);}
.btn-primary:hover{background:#bdf53a;color:var(--c-ink);transform:translateY(-2px);box-shadow:0 12px 26px rgba(203,255,77,.55);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(203,255,77,.4);}
.btn-ghost{background:transparent;color:var(--c-ink);border-color:var(--c-ink);}
.btn-ghost:hover{background:var(--c-accent-soft);color:var(--c-ink);border-color:var(--c-primary);transform:translateY(-2px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-outline-light:hover{background:var(--c-accent);color:var(--c-ink);border-color:var(--c-accent);}
.btn-sm{padding:10px 18px;font-size:.875rem;border-radius:var(--r-pill);}
.btn-lg{padding:17px 34px;font-size:1rem;}
.btn-block{width:100%;}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);font-size:.75rem;font-weight:600;letter-spacing:.04em;}
.badge-accent{background:var(--c-accent-soft);color:var(--c-primary);}
.badge-secondary{background:var(--c-secondary-soft);color:#B23E12;}
.badge-dark{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.22);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);font-size:.8125rem;color:var(--c-text);font-weight:600;
  transition:.2s ease;
}
.tag:hover{border-color:var(--c-secondary);color:var(--c-secondary);transform:translateY(-2px);}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--c-line);padding:18px 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8125rem;color:var(--c-muted);letter-spacing:.02em;}
.crumb a{color:var(--c-muted);font-weight:600;}
.crumb a:hover{color:var(--c-primary);}
.crumb i{font-size:.625rem;color:#C6C2B8;}
.crumb .current{color:var(--c-ink);font-weight:600;max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头部 ---------- */
.article-hero{padding:var(--sp-6) 0 var(--sp-5);background:
  radial-gradient(900px 380px at 88% -12%, rgba(203,255,77,.34), transparent 62%),
  linear-gradient(180deg,#FFFFFF 0%, var(--c-bg) 100%);
  border-bottom:1px solid var(--c-line);
}
.article-hero-inner{max-width:860px;}
.article-hero h1{margin:var(--sp-2) 0 var(--sp-3);font-size:clamp(1.9rem,4vw,2.9rem);line-height:1.24;font-weight:900;}
.article-hero .lede{font-size:1.0625rem;color:var(--c-text);max-width:70ch;margin-bottom:var(--sp-4);}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px 22px;font-size:.875rem;color:var(--c-muted);letter-spacing:.02em;padding-top:var(--sp-3);border-top:1px dashed var(--c-line);}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:8px;}
.meta-row i{color:var(--c-primary);}
.meta-row .num{font-family:var(--font-mono);color:var(--c-ink);font-weight:600;}

/* ---------- 文章正文 ---------- */
.article-main{padding:var(--sp-6) 0 var(--sp-6);}
.article-layout{display:grid;grid-template-columns:minmax(0,760px);justify-content:center;}
.article-body{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:clamp(24px,4vw,56px);box-shadow:var(--sh-card);
  font-size:1.0625rem;line-height:1.9;color:var(--c-text);
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:clamp(1.4rem,2.4vw,1.75rem);line-height:1.35;margin:var(--sp-6) 0 var(--sp-3);
  padding-left:16px;position:relative;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.35em;bottom:.35em;width:4px;border-radius:4px;background:var(--c-accent);}
.article-body h3{font-size:1.1875rem;margin:var(--sp-5) 0 var(--sp-2);color:var(--c-primary);}
.article-body p{margin:0 0 var(--sp-3);}
.article-body a{border-bottom:1.5px solid var(--c-accent);padding-bottom:1px;font-weight:600;}
.article-body a:hover{color:var(--c-secondary);border-color:var(--c-secondary);}
.article-body ul,.article-body ol{margin:0 0 var(--sp-3);padding-left:0;}
.article-body ul li,.article-body ol li{position:relative;padding-left:28px;margin-bottom:12px;}
.article-body ul li::before{content:"";position:absolute;left:6px;top:.72em;width:8px;height:8px;border-radius:3px;background:var(--c-accent);transform:rotate(12deg);}
.article-body ol{counter-reset:artol;}
.article-body ol li::before{
  counter-increment:artol;content:counter(artol,decimal-leading-zero);
  position:absolute;left:0;top:.1em;font-family:var(--font-mono);font-size:.8125rem;font-weight:700;color:var(--c-primary);
}
.article-body blockquote{
  margin:var(--sp-4) 0;padding:18px 24px;background:var(--c-bg);
  border-left:4px solid var(--c-accent);border-radius:0 var(--r-img) var(--r-img) 0;color:var(--c-ink);font-style:normal;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);border:1px solid var(--c-line);margin:var(--sp-3) 0;}
.article-body figure{margin:var(--sp-4) 0;}
.article-body figcaption{font-size:.8125rem;color:var(--c-muted);text-align:center;margin-top:10px;}
.article-body code{font-family:var(--font-mono);font-size:.875rem;background:var(--c-accent-soft);color:var(--c-primary-deep);padding:2px 7px;border-radius:6px;}
.article-body pre{background:var(--c-ink);color:#EFEDE6;padding:20px 22px;border-radius:var(--r-img);overflow-x:auto;margin:var(--sp-3) 0;font-size:.875rem;line-height:1.7;}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body table{width:100%;border-collapse:collapse;margin:var(--sp-3) 0;font-size:.9375rem;border:1px solid var(--c-line);border-radius:var(--r-img);overflow:hidden;}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--c-line);text-align:left;}
.article-body th{background:var(--c-bg);font-weight:700;color:var(--c-ink);}
.article-body tr:last-child td{border-bottom:none;}
.article-body hr{border:none;border-top:1px dashed var(--c-line);margin:var(--sp-5) 0;}

.empty-state{
  background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card);
  padding:56px 28px;text-align:center;box-shadow:var(--sh-card);
}
.empty-state .empty-ico{
  width:64px;height:64px;border-radius:50%;background:var(--c-accent-soft);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:var(--sp-3);
}
.empty-state h2{font-size:1.375rem;margin-bottom:10px;}
.empty-state p{color:var(--c-muted);margin-bottom:var(--sp-4);}

.article-foot{margin-top:var(--sp-5);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--sp-3);}

/* ---------- 相关推荐 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--sp-4);}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;box-shadow:var(--sh-card);
}
.card:hover{transform:translateY(-2px);border-color:var(--c-secondary);box-shadow:var(--sh-hover);}
.card-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-line);}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-cover img{transform:scale(1.03);}
.card-cover .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.92);color:var(--c-primary);}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.card-body h3{font-size:1.0625rem;line-height:1.45;}
.card-body h3 a{color:var(--c-ink);}
.card-body h3 a:hover{color:var(--c-secondary);}
.card-body p{font-size:.9375rem;color:var(--c-muted);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);display:flex;align-items:center;justify-content:space-between;font-size:.8125rem;color:var(--c-muted);letter-spacing:.02em;}
.card-meta .more{font-weight:600;color:var(--c-primary);}
.card-meta .more:hover{color:var(--c-secondary);}

/* ---------- CTA ---------- */
.cta-band{background:var(--c-ink);color:#fff;border-radius:26px;padding:clamp(28px,4vw,52px);position:relative;overflow:hidden;}
.cta-band::after{content:"";position:absolute;right:-60px;bottom:-90px;width:280px;height:280px;border-radius:50%;background:rgba(203,255,77,.14);}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--sp-4);position:relative;z-index:1;}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2rem);margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.72);margin:0;font-size:.9375rem;}
.cta-note{margin-top:var(--sp-4);font-size:.8125rem;color:rgba(255,255,255,.55);position:relative;z-index:1;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.7);margin-top:var(--sp-7);padding:var(--sp-6) 0 var(--sp-4);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:var(--sp-5);}
.footer-col h3{color:#fff;font-size:.9375rem;letter-spacing:.06em;margin-bottom:var(--sp-3);font-weight:700;}
.footer-col ul li{margin-bottom:12px;}
.footer-col a{color:rgba(255,255,255,.7);font-size:.9375rem;}
.footer-col a:hover{color:var(--c-accent);}
.footer-brand .brand-text{color:#fff;font-size:1.125rem;display:inline-block;margin-bottom:var(--sp-2);}
.footer-brand p{font-size:.9375rem;line-height:1.8;color:rgba(255,255,255,.62);margin:0;max-width:34ch;}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:.9375rem;}
.footer-contact i{color:var(--c-accent);width:16px;text-align:center;}
.footer-bottom{
  margin-top:var(--sp-5);padding-top:var(--sp-3);border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:.8125rem;color:rgba(255,255,255,.5);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:24px;width:46px;height:46px;border-radius:50%;
  background:var(--c-ink);color:#fff;border:none;display:inline-flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(10px);transition:.25s ease;z-index:70;box-shadow:var(--sh-hover);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--c-primary);}

@media (max-width:1024px){
  .wrap{padding:0 24px;}
  .section{padding:72px 0;}
  .dock-menu a{padding:8px 12px;font-size:.875rem;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-4);}
}
@media (max-width:768px){
  .dock{justify-content:space-between;border-radius:22px;padding:9px 10px 9px 16px;}
  .dock-menu{display:none;}
  .dock-right .btn{display:none;}
  .burger{display:inline-block;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .article-hero{padding:var(--sp-5) 0 var(--sp-4);}
  .article-body{padding:22px;border-radius:var(--r-card);}
  .rel-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .site-footer{margin-top:56px;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:480px){
  .wrap{padding:0 18px;}
  body{font-size:.9688rem;}
  .brand-text{font-size:.9375rem;}
  .article-body{padding:18px;font-size:1rem;}
  .btn{padding:13px 22px;}
  .btn-lg{padding:15px 26px;}
}

/* roulang page: category1 */
/* ============ 设计令牌 ============ */
:root{
  --c-primary:#3A2E8C;
  --c-primary-deep:#2A2069;
  --c-accent:#CBFF4D;
  --c-accent-soft:#EEFFC2;
  --c-secondary:#FF6B35;
  --c-secondary-soft:#FFE7DC;
  --c-ink:#171526;
  --c-text:#3B3850;
  --c-muted:#7A7690;
  --c-bg:#F6F5F1;
  --c-surface:#FFFFFF;
  --c-line:#E4E1DA;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-card:0 2px 4px rgba(23,21,38,.04), 0 12px 28px rgba(23,21,38,.06);
  --sh-hover:0 4px 10px rgba(23,21,38,.07), 0 20px 40px rgba(23,21,38,.13);
  --sh-dock:0 2px 6px rgba(23,21,38,.05), 0 14px 34px rgba(23,21,38,.09);
  --maxw:1200px;
  --dockw:1080px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"SF Mono","JetBrains Mono","Roboto Mono",ui-monospace,Menlo,Consolas,monospace;
}
/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:var(--font-cn);
  font-size:1.0625rem;
  line-height:1.85;
  font-weight:400;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:-.01em;}
h1{font-size:clamp(2.4rem,5vw,3.5rem);line-height:1.15;font-weight:900;}
h2{font-size:clamp(1.7rem,3vw,2.25rem);line-height:1.25;}
h3{font-size:1.25rem;line-height:1.4;font-weight:600;}
p{margin:0 0 1.05em;}
p:last-child{margin-bottom:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--c-secondary);}
img{max-width:100%;display:block;border-style:none;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:1rem;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;border-radius:6px;}
::selection{background:var(--c-accent);color:var(--c-ink);}
/* 覆盖 Foundation 默认 */
body,button,input,select,textarea{font-family:var(--font-cn);}
h1,h2,h3,h4,h5,h6{font-family:var(--font-cn);}
ul,ol{margin-left:0;}
[type="button"],[type="submit"],button{-webkit-appearance:none;}
/* ============ 容器 ============ */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;width:100%;}
.section{padding:96px 0;}
.section-sm{padding:72px 0;}
.section-tint{background:#FBFAF7;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;font-weight:700;letter-spacing:.16em;
  color:var(--c-primary);text-transform:uppercase;margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--c-secondary);display:block;}
.section-head.center .eyebrow{justify-content:center;}
.lead{font-size:1.0625rem;color:var(--c-muted);margin-top:16px;}
/* ============ Dock 导航 ============ */
.dock-wrap{
  position:sticky;top:14px;z-index:60;
  padding:0 20px;margin-top:18px;
}
.dock{
  max-width:var(--dockw);margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:rgba(255,255,255,.9);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-dock);
  padding:10px 12px 10px 20px;
  transition:padding .25s ease,box-shadow .25s ease,background-color .25s ease;
}
.dock-wrap.is-scrolled .dock{padding:6px 10px 6px 18px;box-shadow:0 6px 12px rgba(23,21,38,.08),0 22px 44px rgba(23,21,38,.14);}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:26px;height:26px;border-radius:8px;
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary) 55%,var(--c-accent) 55%,var(--c-accent) 100%);
  box-shadow:inset 0 0 0 1px rgba(23,21,38,.08);
}
.brand-text{font-weight:900;font-size:1.0625rem;color:var(--c-ink);letter-spacing:.01em;white-space:nowrap;}
.brand:hover .brand-text{color:var(--c-primary);}
.dock-menu{display:flex;align-items:center;gap:4px;margin:0;padding:0;}
.dock-menu li{margin:0;}
.dock-menu a{
  display:block;position:relative;
  padding:9px 16px;border-radius:var(--r-pill);
  font-size:.9375rem;font-weight:600;color:var(--c-text);
  transition:background-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.dock-menu a:hover{background:#F1EFE9;color:var(--c-ink);}
.dock-menu a.active{background:var(--c-accent-soft);color:var(--c-primary);}
.dock-menu a.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:3px;width:18px;height:2px;border-radius:2px;background:var(--c-secondary);
}
.dock-right{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{
  width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-text);border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:#F1EFE9;color:var(--c-primary);border-color:var(--c-line);}
.burger{
  display:none;width:40px;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);align-items:center;justify-content:center;
  background:var(--c-surface);
}
.burger span{display:block;width:16px;height:2px;background:var(--c-ink);position:relative;border-radius:2px;}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--c-ink);border-radius:2px;}
.burger span::before{top:-5px;}
.burger span::after{top:5px;}
/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:120;pointer-events:none;
}
.drawer-bg{
  position:absolute;inset:0;background:rgba(23,21,38,.45);
  opacity:0;transition:opacity .25s ease;
}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(340px,86vw);
  background:var(--c-surface);padding:26px 24px;
  transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;gap:8px;
  box-shadow:-12px 0 40px rgba(23,21,38,.18);
  overflow-y:auto;
}
.drawer.open{pointer-events:auto;}
.drawer.open .drawer-bg{opacity:1;}
.drawer.open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-panel a.drawer-link{
  display:block;padding:14px 14px;border-radius:12px;
  font-weight:600;color:var(--c-text);
}
.drawer-panel a.drawer-link:hover{background:#F1EFE9;color:var(--c-primary);}
.drawer-panel a.drawer-link.active{background:var(--c-accent-soft);color:var(--c-primary);}
.drawer-close{width:38px;height:38px;border-radius:50%;border:1px solid var(--c-line);display:inline-flex;align-items:center;justify-content:center;}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:var(--r-btn);
  font-weight:700;font-size:.9688rem;line-height:1.2;
  border:1.5px solid transparent;
  transition:transform .18s ease,box-shadow .22s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn i{font-size:.9em;}
.btn-primary{background:var(--c-accent);color:var(--c-ink);box-shadow:0 8px 20px rgba(203,255,77,.36);}
.btn-primary:hover{background:#BEF53A;color:var(--c-ink);transform:translateY(-2px);box-shadow:0 14px 30px rgba(203,255,77,.5);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(203,255,77,.34);}
.btn-ghost{background:transparent;color:var(--c-ink);border-color:var(--c-ink);}
.btn-ghost:hover{background:var(--c-accent-soft);color:var(--c-ink);border-color:var(--c-primary);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-light{background:var(--c-surface);color:var(--c-primary);border-color:var(--c-line);}
.btn-light:hover{color:var(--c-primary);border-color:var(--c-secondary);transform:translateY(-2px);box-shadow:var(--sh-card);}
.btn-sm{padding:10px 18px;font-size:.9063rem;}
.btn-block{width:100%;}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
/* ============ 标签 / 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:.8125rem;font-weight:700;letter-spacing:.04em;
  background:var(--c-accent-soft);color:#3A4A12;
}
.badge-orange{background:var(--c-secondary-soft);color:#A83A0E;}
.badge-line{background:#F1EFE9;color:var(--c-muted);font-weight:600;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
/* ============ 顶部分类 Hero ============ */
.cat-hero{padding:64px 0 84px;position:relative;overflow:hidden;}
.cat-hero::before{
  content:"";position:absolute;right:-140px;top:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(203,255,77,.55),rgba(203,255,77,0) 68%);
  z-index:0;
}
.cat-hero .wrap{position:relative;z-index:1;}
.cat-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.cat-hero h1{max-width:14em;}
.cat-hero .lead{max-width:34em;font-size:1.0625rem;color:var(--c-muted);}
.cat-hero-figure{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-card);background:var(--c-line);
  aspect-ratio:4/3;
  clip-path:polygon(0 0,100% 0,100% 88%,86% 100%,0 100%);
  border:1px solid var(--c-line);
}
.cat-hero-figure img{width:100%;height:100%;object-fit:cover;}
.cat-hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,21,38,0) 45%,rgba(23,21,38,.34) 100%);
}
.hero-figure-note{
  position:absolute;left:18px;bottom:16px;z-index:2;
  color:#fff;font-size:.875rem;font-weight:600;letter-spacing:.02em;
}
/* 信任条 */
.trust-bar{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;
  margin-top:44px;padding-top:28px;border-top:1px dashed var(--c-line);
}
.trust-item .num{
  font-family:var(--font-num);font-size:1.75rem;font-weight:700;color:var(--c-primary);
  display:block;line-height:1.2;
}
.trust-item .cap{font-size:.875rem;color:var(--c-muted);letter-spacing:.02em;}
/* ============ 编号轨道 ============ */
.track{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;position:relative;}
.track-item{
  padding:0 26px;position:relative;
}
.track-item:first-child{padding-left:0;}
.track-item:last-child{padding-right:0;}
.track-item + .track-item::before{
  content:"";position:absolute;left:-8px;top:26px;width:16px;
  border-top:2px dashed var(--c-line);
}
.track-num{
  font-family:var(--font-num);font-size:2rem;font-weight:700;
  color:var(--c-primary);opacity:.6;line-height:1;display:block;margin-bottom:14px;
}
.track-item h3{margin-bottom:10px;}
.track-item p{font-size:.9375rem;color:var(--c-muted);}
.track-icon{
  width:44px;height:44px;border-radius:12px;margin-top:18px;
  background:var(--c-accent-soft);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:1.05rem;
}
/* ============ 图文分栏 ============ */
.split{display:grid;grid-template-columns:300px minmax(0,1fr);gap:56px;align-items:start;}
.sticky-side{position:sticky;top:110px;}
.side-title{
  font-size:.8125rem;font-weight:700;letter-spacing:.16em;color:var(--c-muted);
  text-transform:uppercase;margin-bottom:18px;
}
.point-list li{
  padding:12px 0 12px 26px;position:relative;
  border-bottom:1px solid var(--c-line);font-size:.9375rem;font-weight:600;color:var(--c-text);
}
.point-list li:last-child{border-bottom:0;}
.point-list li::before{
  content:"";position:absolute;left:0;top:20px;
  width:9px;height:9px;border-radius:3px;background:var(--c-accent);border:1px solid rgba(23,21,38,.14);
}
.prose-block h2{margin-bottom:18px;}
.prose-block h3{margin:34px 0 12px;}
.prose-block p{color:var(--c-text);}
.prose-block .note{
  background:var(--c-surface);border:1px solid var(--c-line);border-left:4px solid var(--c-accent);
  border-radius:12px;padding:20px 22px;margin:26px 0;font-size:.9375rem;color:var(--c-muted);
}
.prose-block .note strong{color:var(--c-ink);}
.mini-steps{margin:22px 0 26px;}
.mini-steps li{
  display:flex;gap:14px;padding:12px 0;border-bottom:1px dashed var(--c-line);font-size:.9375rem;
}
.mini-steps li:last-child{border-bottom:0;}
.mini-steps .idx{
  font-family:var(--font-num);font-weight:700;color:var(--c-secondary);
  min-width:28px;
}
/* ============ 卡片 ============ */
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  height:100%;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--c-secondary);}
.card-media{aspect-ratio:16/10;overflow:hidden;background:var(--c-line);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-media img{transform:scale(1.035);}
.card-body{padding:26px 26px 28px;}
.card-body h3{margin-bottom:12px;}
.card-body p{font-size:.9375rem;color:var(--c-muted);}
.card-foot{
  margin-top:auto;padding:0 26px 26px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:.875rem;color:var(--c-muted);
}
.card-foot a{font-weight:700;}
/* ============ FAQ ============ */
.faq-list{max-width:900px;}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:first-child{border-top:1px solid var(--c-line);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;font-weight:600;font-size:1.0625rem;color:var(--c-ink);
  cursor:pointer;transition:color .2s ease,padding-left .2s ease,box-shadow .2s ease;
}
.faq-q:hover{color:var(--c-primary);}
.faq-q .faq-arrow{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  border:1px solid var(--c-line);display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-muted);font-size:.75rem;transition:transform .25s ease,background-color .2s ease,color .2s ease;
}
.faq-item.open .faq-q{padding-left:16px;box-shadow:inset 3px 0 0 var(--c-accent);color:var(--c-primary);}
.faq-item.open .faq-arrow{transform:rotate(180deg);background:var(--c-accent);color:var(--c-ink);border-color:transparent;}
.faq-a{display:none;padding:0 0 24px 16px;font-size:.9688rem;color:var(--c-muted);max-width:74ch;}
.faq-item.open .faq-a{display:block;}
/* ============ CTA 深色条 ============ */
.cta-band{
  margin-top:8px;
  background:var(--c-primary);
  background-image:linear-gradient(115deg,rgba(58,46,140,.96) 0%,rgba(42,32,105,.96) 55%,rgba(23,21,38,.94) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-radius:24px;
  padding:56px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(203,255,77,.35),rgba(203,255,77,0) 70%);
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{color:#fff;max-width:20em;}
.cta-band p{color:rgba(255,255,255,.72);margin-top:12px;font-size:.9688rem;max-width:34em;}
.cta-note{
  margin-top:18px;font-size:.875rem;color:var(--c-muted);letter-spacing:.02em;
}
/* ============ 数据条 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow:hidden;
}
.stat-cell{padding:28px 26px;border-right:1px solid var(--c-line);}
.stat-cell:last-child{border-right:0;}
.stat-cell .num{
  font-family:var(--font-num);font-size:2rem;font-weight:700;color:var(--c-ink);display:block;line-height:1.1;
}
.stat-cell .num em{font-style:normal;font-size:1rem;color:var(--c-muted);margin-left:4px;font-family:var(--font-cn);}
.stat-cell .cap{font-size:.875rem;color:var(--c-muted);margin-top:8px;display:block;}
/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-ink);color:rgba(255,255,255,.72);
  margin-top:96px;padding:72px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;}
.footer-brand .brand-text{color:#fff;font-size:1.125rem;display:inline-block;margin-bottom:14px;}
.footer-brand p{font-size:.9375rem;color:rgba(255,255,255,.6);max-width:32em;}
.footer-col h3{
  color:#fff;font-size:.9375rem;font-weight:700;letter-spacing:.06em;margin-bottom:18px;
}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{color:rgba(255,255,255,.68);font-size:.9375rem;}
.footer-col ul a:hover{color:var(--c-accent);}
.footer-contact li{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.68);font-size:.9375rem;}
.footer-contact i{color:var(--c-accent);width:16px;text-align:center;}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:.875rem;color:rgba(255,255,255,.5);letter-spacing:.02em;
}
/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:80;
  width:46px;height:46px;border-radius:50%;
  background:var(--c-ink);color:var(--c-accent);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-hover);opacity:0;pointer-events:none;
  transform:translateY(10px);transition:opacity .25s ease,transform .25s ease;
}
.to-top.show{opacity:1;pointer-events:auto;transform:translateY(0);}
.to-top:hover{background:var(--c-primary);color:#fff;}
/* ============ 响应式 ============ */
@media (max-width:1180px){
  .dock-menu a{padding:9px 12px;font-size:.9063rem;}
}
@media (max-width:1024px){
  .section{padding:72px 0;}
  .section-sm{padding:56px 0;}
  .dock-menu{display:none;}
  .burger{display:inline-flex;}
  .cat-hero-grid{grid-template-columns:1fr;gap:36px;}
  .cat-hero h1{max-width:100%;}
  .split{grid-template-columns:1fr;gap:32px;}
  .sticky-side{position:static;}
  .track{grid-template-columns:1fr;gap:34px;}
  .track-item{padding:0;}
  .track-item + .track-item::before{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-band{padding:44px 36px;}
}
@media (max-width:768px){
  .wrap{padding:0 22px;}
  body{font-size:1rem;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:34px;}
  .cat-hero{padding:40px 0 56px;}
  .trust-bar{grid-template-columns:1fr;gap:18px;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-cell{border-right:0;border-bottom:1px solid var(--c-line);}
  .stat-cell:last-child{border-bottom:0;}
  .cta-band{padding:34px 26px;border-radius:18px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .site-footer{margin-top:64px;padding:52px 0 24px;}
  .btn-row .btn{width:100%;}
}
@media (max-width:520px){
  .wrap{padding:0 18px;}
  .dock{padding:8px 8px 8px 14px;}
  .brand-text{font-size:.9688rem;}
  .dock-right .btn{display:none;}
  h1{font-size:clamp(1.9rem,8vw,2.4rem);}
  h2{font-size:clamp(1.45rem,6vw,1.75rem);}
  .card-body{padding:22px 20px 24px;}
  .card-foot{padding:0 20px 22px;}
  .faq-q{font-size:1rem;padding:18px 0;}
  .to-top{right:14px;bottom:18px;}
}

/* roulang page: category2 */
/* ============ 设计令牌 ============ */
:root{
  --c-primary:#3A2E8C;
  --c-primary-deep:#2A2168;
  --c-accent:#CBFF4D;
  --c-accent-soft:#EEFFC2;
  --c-secondary:#FF6B35;
  --c-ink:#171526;
  --c-text:#3B3850;
  --c-muted:#7A7690;
  --c-bg:#F6F5F1;
  --c-surface:#FFFFFF;
  --c-line:#E4E1DA;

  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --r-pill:999px;

  --sh-card:0 2px 4px rgba(23,21,38,.04), 0 12px 28px rgba(23,21,38,.06);
  --sh-card-hover:0 6px 12px rgba(23,21,38,.06), 0 20px 40px rgba(23,21,38,.13);
  --sh-dock:0 2px 6px rgba(23,21,38,.05), 0 14px 30px rgba(23,21,38,.08);

  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:48px;
  --sp-6:64px;
  --sp-7:96px;

  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --font-mono:"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
}

/* ============ reset 补充 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:1.0625rem;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:.01em;}
p{margin:0 0 var(--sp-2);}
p:last-child{margin-bottom:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--c-secondary);}
img{max-width:100%;display:block;height:auto;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:1rem;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;border-radius:4px;}
::selection{background:var(--c-accent);color:var(--c-ink);}

/* Foundation 覆盖 */
body,button,input,select,textarea{font-family:var(--font-sans);}
a:not(.btn):not(.brand):not(.icon-btn){color:var(--c-primary);}
a:not(.btn):not(.brand):not(.icon-btn):hover{color:var(--c-secondary);}
ul:not(.dock-menu):not(.footer-list){list-style:none;margin-left:0;}

/* ============ 容器 ============ */
.wrap{
  max-width:1200px;
  margin:0 auto;
  padding:0 var(--sp-4);
  width:100%;
}
.section{padding:var(--sp-7) 0;}
.section-tight{padding:var(--sp-6) 0;}
.section-head{max-width:760px;margin-bottom:var(--sp-5);}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--c-primary);
  margin-bottom:var(--sp-2);
}
.eyebrow::before{
  content:"";width:26px;height:2px;background:var(--c-secondary);border-radius:2px;
}
h2.section-title{
  font-size:clamp(1.7rem,3vw,2.25rem);
  line-height:1.25;
  font-weight:700;
  margin-bottom:var(--sp-2);
}
.section-sub{color:var(--c-muted);font-size:1rem;max-width:660px;}

/* ============ Dock 导航 ============ */
.dock-wrap{
  position:fixed;top:0;left:0;right:0;z-index:60;
  padding:18px 20px 0;
  pointer-events:none;
  transition:padding .25s ease;
}
.dock{
  pointer-events:auto;
  max-width:1080px;
  margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:var(--sp-3);
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  padding:10px 14px 10px 20px;
  box-shadow:var(--sh-dock);
  transition:padding .25s ease,box-shadow .25s ease,border-radius .25s ease;
}
.dock-wrap.is-stuck{padding-top:10px;}
.dock-wrap.is-stuck .dock{
  padding:6px 12px 6px 18px;
  box-shadow:0 4px 10px rgba(23,21,38,.08),0 18px 40px rgba(23,21,38,.14);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand:hover{color:var(--c-ink);}
.brand-mark{
  width:30px;height:30px;border-radius:9px;
  background:linear-gradient(135deg,var(--c-primary) 0%,#5B4BD6 100%);
  position:relative;flex:0 0 auto;
  box-shadow:inset 0 0 0 2px rgba(203,255,77,.85);
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;
  background:var(--c-accent);border-radius:3px;
  transform:rotate(45deg);
}
.brand-text{
  font-size:1.0625rem;font-weight:900;color:var(--c-ink);
  letter-spacing:.01em;white-space:nowrap;
}
.dock-menu{
  display:flex;align-items:center;gap:4px;
  margin:0;flex:1 1 auto;justify-content:center;
}
.dock-menu li{margin:0;}
.dock-menu a{
  display:inline-block;
  padding:9px 16px;
  font-size:.9375rem;
  font-weight:600;
  color:var(--c-text);
  border-radius:var(--r-pill);
  position:relative;
  white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.dock-menu a:hover{color:var(--c-primary);background:rgba(58,46,140,.06);}
.dock-menu a.active{color:var(--c-primary);background:var(--c-accent-soft);}
.dock-menu a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:3px;background:var(--c-accent);
}
.dock-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-primary);
  border:1px solid var(--c-line);
  background:#fff;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.icon-btn:hover{background:var(--c-accent-soft);color:var(--c-ink);border-color:var(--c-accent);transform:translateY(-1px);}
.burger{
  display:none;
  width:40px;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#fff;
  align-items:center;justify-content:center;
}
.burger span{
  display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;position:relative;
  transition:background .2s ease;
}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);border-radius:2px;
  transition:transform .25s ease,top .25s ease;
}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}
.burger[aria-expanded="true"] span{background:transparent;}
.burger[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.burger[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,21,38,.5);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);
  background:#fff;z-index:80;
  transform:translateX(102%);
  transition:transform .3s cubic-bezier(.22,.61,.36,1);
  padding:28px 24px;
  display:flex;flex-direction:column;gap:var(--sp-3);
  border-left:1px solid var(--c-line);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:36px;height:36px;border-radius:var(--r-pill);border:1px solid var(--c-line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-ink);
}
.drawer-close:hover{background:var(--c-accent-soft);}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  display:block;padding:13px 16px;border-radius:var(--r-btn);
  font-weight:600;color:var(--c-text);border:1px solid transparent;
}
.drawer-nav a:hover{background:rgba(58,46,140,.06);color:var(--c-primary);}
.drawer-nav a.active{background:var(--c-accent-soft);color:var(--c-primary);border-color:rgba(203,255,77,.9);}
.drawer .btn{width:100%;justify-content:center;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:1rem;line-height:1;
  padding:15px 28px;
  border-radius:var(--r-pill);
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  text-align:center;
}
.btn-sm{padding:10px 20px;font-size:.9375rem;}
.btn-primary{background:var(--c-accent);color:var(--c-ink);box-shadow:0 6px 16px rgba(203,255,77,.45);}
.btn-primary:hover{background:#BDF238;color:var(--c-ink);transform:translateY(-2px);box-shadow:0 12px 26px rgba(203,255,77,.55);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(203,255,77,.4);}
.btn-ghost{background:transparent;color:var(--c-ink);border-color:var(--c-ink);}
.btn-ghost:hover{background:var(--c-accent-soft);color:var(--c-ink);border-color:var(--c-primary);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.btn-dark{background:var(--c-primary);color:#fff;}
.btn-dark:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(58,46,140,.32);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:.8125rem;font-weight:700;letter-spacing:.04em;
  background:var(--c-accent-soft);color:#2C4A00;
}
.badge-orange{background:rgba(255,107,53,.13);color:#B23F12;}
.badge-violet{background:rgba(58,46,140,.1);color:var(--c-primary);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 15px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);
  font-size:.875rem;font-weight:600;color:var(--c-text);
}
.tag i{color:var(--c-secondary);font-size:.8125rem;}

/* ============ 顶部窄 Banner ============ */
.page-banner{
  position:relative;
  margin-top:0;
  padding:170px 0 88px;
  background-image:linear-gradient(180deg,rgba(23,21,38,.86) 0%,rgba(42,33,104,.82) 60%,rgba(58,46,140,.86) 100%),
                   url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-banner::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:6px;
  background:linear-gradient(90deg,var(--c-accent) 0%,var(--c-accent) 32%,var(--c-secondary) 32%,var(--c-secondary) 48%,rgba(255,255,255,.25) 48%,rgba(255,255,255,.25) 100%);
}
.banner-inner{
  position:relative;z-index:2;
  max-width:820px;margin:0 auto;text-align:center;
  padding:0 var(--sp-4);
}
.banner-inner .badge{margin-bottom:var(--sp-3);}
.banner-inner h1{
  font-size:clamp(2.4rem,5vw,3.5rem);
  line-height:1.15;
  font-weight:900;
  color:#fff;
  margin-bottom:var(--sp-3);
  letter-spacing:.005em;
}
.banner-inner h1 em{
  font-style:normal;
  color:var(--c-accent);
}
.banner-lead{
  color:rgba(255,255,255,.86);
  font-size:1.0625rem;
  max-width:620px;
  margin:0 auto var(--sp-4);
}
.banner-actions{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:center;
}
.banner-meta{
  margin-top:var(--sp-5);
  display:flex;flex-wrap:wrap;justify-content:center;gap:10px 28px;
  color:rgba(255,255,255,.72);
  font-size:.875rem;letter-spacing:.02em;
}
.banner-meta span{display:inline-flex;align-items:center;gap:8px;}
.banner-meta i{color:var(--c-accent);}

/* ============ 提示条 ============ */
.notice-bar{
  background:#fff;
  border:1px solid var(--c-line);
  border-left:5px solid var(--c-secondary);
  border-radius:var(--r-btn);
  padding:20px 24px;
  display:flex;gap:16px;align-items:flex-start;
  box-shadow:var(--sh-card);
}
.notice-bar i{color:var(--c-secondary);font-size:1.125rem;margin-top:4px;}
.notice-bar strong{color:var(--c-ink);display:block;margin-bottom:2px;font-weight:700;}
.notice-bar p{color:var(--c-muted);font-size:.9375rem;margin:0;}

/* ============ 时间轴 ============ */
.timeline{position:relative;margin-top:var(--sp-5);}
.timeline::before{
  content:"";position:absolute;left:31px;top:12px;bottom:12px;width:2px;
  background:repeating-linear-gradient(180deg,var(--c-line) 0 8px,transparent 8px 16px);
}
.tl-item{
  position:relative;
  display:grid;
  grid-template-columns:64px 1fr;
  gap:var(--sp-4);
  padding:0 0 var(--sp-4);
}
.tl-item:last-child{padding-bottom:0;}
.tl-no{
  position:relative;z-index:2;
  width:64px;height:64px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:2px solid var(--c-primary);
  font-family:var(--font-mono);
  font-size:1.125rem;font-weight:700;color:var(--c-primary);
  box-shadow:0 6px 16px rgba(58,46,140,.12);
  transition:background-color .25s ease,color .25s ease,border-color .25s ease;
}
.tl-item:hover .tl-no{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-ink);}
.tl-body{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px 26px;
  box-shadow:var(--sh-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.tl-item:hover .tl-body{transform:translateY(-2px);box-shadow:var(--sh-card-hover);border-color:rgba(255,107,53,.45);}
.tl-body h3{font-size:1.25rem;font-weight:600;margin-bottom:8px;}
.tl-body p{color:var(--c-text);font-size:1rem;margin-bottom:10px;}
.tl-body .tl-link{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.9375rem;font-weight:700;color:var(--c-primary);
}
.tl-body .tl-link:hover{color:var(--c-secondary);}
.tl-body .tl-link i{font-size:.8125rem;transition:transform .2s ease;}
.tl-body .tl-link:hover i{transform:translateX(3px);}

/* ============ 数据指标条 ============ */
.stats{
  background:var(--c-ink);
  border-radius:24px;
  padding:var(--sp-5) var(--sp-4);
  position:relative;
  overflow:hidden;
}
.stats::before{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;
  border:2px dashed rgba(203,255,77,.28);border-radius:50%;
}
.stats-grid{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:var(--sp-3);
}
.stat-item{
  padding:20px 22px;
  border-radius:var(--r-card);
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  transition:background-color .25s ease,border-color .25s ease,transform .25s ease;
}
.stat-item:hover{background:rgba(203,255,77,.09);border-color:rgba(203,255,77,.5);transform:translateY(-2px);}
.stat-num{
  font-family:var(--font-mono);
  font-size:clamp(1.9rem,3.4vw,2.5rem);
  font-weight:700;color:var(--c-accent);line-height:1.1;
  display:block;margin-bottom:6px;
}
.stat-num small{font-size:1rem;font-weight:700;margin-left:4px;}
.stat-label{color:rgba(255,255,255,.78);font-size:.9375rem;line-height:1.6;}

/* ============ 图文区块 ============ */
.split{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:var(--sp-6);
  align-items:center;
}
.split.reverse .split-media{order:2;}
.split-media{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--c-line);
  box-shadow:var(--sh-card);
  background:var(--c-line);
  position:relative;
}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease;}
.split-media:hover img{transform:scale(1.03);}
.split-body h2{margin-bottom:var(--sp-2);}
.split-body p{color:var(--c-text);}
.check-list{margin-top:var(--sp-3);display:flex;flex-direction:column;gap:12px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:1rem;color:var(--c-text);
}
.check-list i{
  color:var(--c-primary);background:var(--c-accent-soft);
  width:24px;height:24px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:.75rem;flex:0 0 auto;margin-top:6px;
}

/* ============ 问答卡（两列） ============ */
.qa-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:var(--sp-3);
  margin-top:var(--sp-4);
}
.qa-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px 26px 24px;
  box-shadow:var(--sh-card);
  position:relative;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.qa-card::before{
  content:"";position:absolute;left:0;top:26px;bottom:26px;width:3px;
  background:var(--c-accent);border-radius:0 3px 3px 0;
  opacity:0;transition:opacity .25s ease;
}
.qa-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover);border-color:rgba(58,46,140,.35);}
.qa-card:hover::before{opacity:1;}
.qa-card h3{
  font-size:1.0625rem;font-weight:700;margin-bottom:10px;
  display:flex;gap:10px;align-items:flex-start;
}
.qa-card h3 .q-mark{
  font-family:var(--font-mono);font-weight:700;color:var(--c-primary);
  background:rgba(58,46,140,.08);border-radius:6px;
  padding:1px 8px;font-size:.875rem;flex:0 0 auto;margin-top:5px;
}
.qa-card p{color:var(--c-muted);font-size:.9375rem;margin:0;}
.qa-card .qa-foot{
  display:inline-flex;align-items:center;gap:7px;
  margin-top:14px;font-size:.875rem;font-weight:700;color:var(--c-primary);
}
.qa-card .qa-foot:hover{color:var(--c-secondary);}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(120deg,var(--c-primary) 0%,var(--c-primary-deep) 100%);
  border-radius:24px;
  padding:var(--sp-5) var(--sp-5);
  display:flex;align-items:center;justify-content:space-between;gap:var(--sp-4);
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;bottom:-70px;width:200px;height:200px;
  border-radius:50%;background:radial-gradient(circle,rgba(203,255,77,.22) 0%,transparent 70%);
}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2rem);margin-bottom:8px;}
.cta-band p{color:rgba(255,255,255,.78);font-size:.9375rem;margin:0;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}
.cta-note{
  margin-top:var(--sp-3);
  font-size:.8125rem;color:var(--c-muted);letter-spacing:.02em;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-ink);
  color:rgba(255,255,255,.72);
  padding:var(--sp-6) 0 var(--sp-3);
  margin-top:var(--sp-6);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:var(--sp-5);
  padding-bottom:var(--sp-5);
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-col h3{
  color:#fff;font-size:1rem;font-weight:700;margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-brand .brand-text{color:#fff;font-size:1.125rem;display:inline-block;margin-bottom:14px;}
.footer-brand p{font-size:.9375rem;color:rgba(255,255,255,.66);max-width:320px;margin:0;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col ul a{
  color:rgba(255,255,255,.72);
  font-size:.9375rem;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col ul a:hover{color:var(--c-accent);padding-left:4px;}
.footer-contact li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:.9375rem;color:rgba(255,255,255,.72);
}
.footer-contact i{color:var(--c-accent);margin-top:6px;font-size:.875rem;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:var(--sp-2);flex-wrap:wrap;
  padding-top:var(--sp-3);
  font-size:.8125rem;color:rgba(255,255,255,.5);letter-spacing:.02em;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .dock-menu{display:none;}
  .burger{display:inline-flex;}
  .dock-right .icon-btn{display:none;}
  .section{padding:72px 0;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:var(--sp-4);}
  .split.reverse .split-media{order:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-4);}
  .page-banner{padding:150px 0 72px;}
}
@media (max-width:768px){
  body{font-size:1rem;}
  .wrap{padding:0 var(--sp-3);}
  .dock{padding:8px 10px 8px 16px;}
  .dock-right .btn-sm{display:none;}
  .brand-text{font-size:1rem;}
  .page-banner{padding:132px 0 60px;}
  .banner-lead{font-size:1rem;}
  .qa-grid{grid-template-columns:1fr;}
  .tl-item{grid-template-columns:48px 1fr;gap:var(--sp-3);}
  .tl-no{width:48px;height:48px;font-size:1rem;}
  .timeline::before{left:23px;}
  .tl-body{padding:20px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:var(--sp-4);}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;justify-content:center;}
  .stats{padding:var(--sp-4) var(--sp-3);border-radius:20px;}
  .section-tight{padding:var(--sp-5) 0;}
}
@media (max-width:520px){
  .banner-inner h1{font-size:2.1rem;}
  .banner-actions{flex-direction:column;align-items:stretch;}
  .banner-actions .btn{width:100%;}
  .stats-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .notice-bar{flex-direction:column;gap:10px;}
  .section{padding:56px 0;}
  .dock-wrap{padding:12px 12px 0;}
  .qa-card{padding:22px 20px;}
}