/* QINGLIAN GROUP -- Brand Tokens */
:root{
  --clr-primary:#009fe8;
  --clr-primary-dk:#007bb8;
  --clr-accent:#ffd800;
  --clr-accent-soft:#fff6b8;
  --clr-bg:#f7f8fb;
  --clr-bg-alt:#eef2f6;
  --clr-surface:#fff;
  --clr-border:#e2e6ee;
  --clr-border-dim:rgba(17,19,24,.08);
  --clr-text:#111318;
  --clr-text-dim:#505766;
  --clr-text-muted:#8b92a0;
  --clr-text-inv:#fff;
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","Fira Code",ui-monospace,SFMono-Regular,monospace;
  --space-xs:.375rem;--space-sm:.625rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2.5rem;--space-2xl:4rem;--space-3xl:6rem;--space-4xl:8rem;
  --max-w:1240px;--max-w-wide:1400px;--max-w-narrow:820px;
  --radius:8px;--radius-sm:5px;
  --shadow-sm:0 8px 24px rgba(0,0,0,.05);
  --shadow-md:0 18px 44px rgba(0,68,120,.09);
  --transition:.28s cubic-bezier(.25,.1,.25,1);
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{font-size:16px;scroll-behavior:smooth;background:var(--clr-bg)}
body{font-family:var(--font-sans);background:var(--clr-bg);color:var(--clr-text);line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{display:block;max-width:100%}a{color:var(--clr-primary);text-decoration:none;transition:color var(--transition)}a:hover{color:var(--clr-primary-dk)}ul,ol{list-style:none}
.container{max-width:var(--max-w);margin:0 auto;padding:0 var(--space-xl)}.container--wide{max-width:var(--max-w-wide)}.container--narrow{max-width:var(--max-w-narrow)}
.section{padding:var(--space-4xl) 0;position:relative}.section--alt{background:var(--clr-bg-alt)}.section--tight{padding:var(--space-3xl) 0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
h1,h2,h3,h4{font-family:var(--font-sans);line-height:1.25;color:var(--clr-text);letter-spacing:-.02em}h1{font-size:clamp(2.6rem,5.4vw,4.9rem);font-weight:650;line-height:1.12}h2{font-size:clamp(1.9rem,3.2vw,2.8rem);font-weight:620}h3{font-size:clamp(1.08rem,1.5vw,1.3rem);font-weight:620}h4{font-size:1rem;font-weight:620}.lead{font-size:1.06rem;color:var(--clr-text-dim);line-height:2}.eyebrow,.label{font-size:.62rem;letter-spacing:.26em;text-transform:uppercase;color:var(--clr-primary);font-weight:700}.section-number{font-family:var(--font-mono);font-size:.62rem;color:var(--clr-primary);letter-spacing:.18em;opacity:.72;margin-bottom:var(--space-md)}.divider{width:56px;height:2px;background:var(--clr-accent);margin:var(--space-lg) 0 var(--space-xl)}
.section-head{display:grid;grid-template-columns:minmax(180px,.42fr) 1fr;gap:var(--space-2xl);align-items:end;margin-bottom:var(--space-2xl)}.section-head__text{max-width:640px;color:var(--clr-text-dim)}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .62s ease,transform .62s ease}.reveal.visible{opacity:1;transform:translateY(0)}.reveal--d1{transition-delay:.08s}.reveal--d2{transition-delay:.16s}.reveal--d3{transition-delay:.24s}
@media(max-width:1024px){:root{--space-4xl:6rem;--space-3xl:4.5rem;--space-2xl:3rem}.container{padding:0 var(--space-lg)}.section-head{grid-template-columns:1fr;gap:var(--space-lg)}}
@media(max-width:640px){:root{--space-4xl:4.5rem;--space-3xl:3.25rem;--space-2xl:2.25rem;--space-xl:1.75rem;--space-lg:1.2rem}html{font-size:15px}body{line-height:1.75}.container{padding:0 var(--space-lg)}.section{padding:var(--space-3xl) 0}h1{font-size:clamp(2rem,9vw,2.7rem)}h2{font-size:clamp(1.45rem,6vw,1.95rem)}.lead{font-size:.92rem}.eyebrow,.label,.section-number{font-size:.55rem;letter-spacing:.2em}.divider{width:42px;margin:var(--space-md) 0 var(--space-lg)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}*{transition:none!important}}