@import url('/css/design-tokens.css');
:root{--bg:var(--sc-bg,#020408);--text:var(--sc-text-bright,#f5f8ff);--muted:var(--sc-dim,rgba(230,238,250,.72));--line:var(--sc-border,rgba(255,255,255,.1));--glass:rgba(255,255,255,.05);--max:980px}
*{box-sizing:border-box}body{margin:0;font-family:var(--sc-font,Inter,-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI","PingFang SC","Microsoft YaHei",sans-serif);color:var(--text);background:linear-gradient(180deg,#020408 0%,#040913 28%,#050a14 60%,#020408 100%);line-height:1.7;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.container{width:min(calc(100% - 40px),var(--max));margin:0 auto}

/* nav */
.nav{position:sticky;top:0;z-index:100;background:rgba(2,4,8,.82);backdrop-filter:blur(24px) saturate(1.4);border-bottom:1px solid var(--sc-border,rgba(255,255,255,.1))}.nav-inner{height:64px;display:flex;justify-content:space-between;align-items:center}
.nav-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--text);text-decoration:none}.nav-logo img{width:28px;height:28px;border-radius:6px}
.nav-links{display:flex;gap:4px}.nav-links a{padding:8px 14px;border-radius:8px;font-size:13px;font-weight:500;color:var(--muted);transition:all .2s}.nav-links a:hover{color:#fff;background:rgba(255,255,255,.05)}
.hamburger{display:none;background:none;border:none;cursor:pointer;padding:8px}.hamburger span{display:block;width:20px;height:2px;background:var(--text);margin:4px 0;border-radius:2px;transition:all .3s}
.mobile-menu{display:none;position:fixed;top:64px;left:0;right:0;bottom:0;background:rgba(2,4,8,.96);backdrop-filter:blur(20px);z-index:99;padding:24px;flex-direction:column;gap:8px}.mobile-menu.open{display:flex}.mobile-menu::before{content:'';position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:-1;cursor:pointer}.mobile-menu-close{display:flex;align-items:center;justify-content:center;align-self:flex-end;width:42px;height:42px;border:1px solid rgba(255,255,255,.12);border-radius:999px;background:rgba(255,255,255,.06);color:var(--text);font-size:24px;line-height:1;cursor:pointer;transition:all .2s}.mobile-menu-close:hover{background:rgba(255,255,255,.12);transform:translateY(-1px)}.mobile-menu a{padding:14px 16px;border-radius:10px;font-size:16px;font-weight:500;color:var(--muted);transition:all .2s}.mobile-menu a:hover{color:var(--sc-accent,#00d4aa);background:rgba(0,212,170,.06)}
@media(max-width:768px){.nav-links{display:none}.hamburger{display:block}}

/* watermark */
.watermark{position:fixed;right:18px;bottom:18px;z-index:50;padding:10px 14px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);color:rgba(255,255,255,.72);backdrop-filter:blur(12px);font-size:13px}

/* hero + section */
.hero,.section{padding:72px 0}
.eyebrow{display:inline-flex;min-height:36px;padding:0 14px;align-items:center;border-radius:999px;border:1px solid var(--sc-accent-glow,rgba(0,212,170,.15));background:var(--sc-accent-bg,rgba(0,212,170,.06));font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.headline{margin:18px 0 10px;font-size:clamp(42px,6vw,72px);line-height:1.02;letter-spacing:-.05em}
.subcopy{max-width:760px;color:var(--muted);font-size:clamp(17px,1.6vw,22px)}

/* glass card */
.glass{padding:28px;border-radius:28px;background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.03));border:1px solid var(--line);box-shadow:0 18px 60px rgba(0,0,0,.28);margin-top:18px}
.glass h2{margin:0 0 14px;font-size:28px}.glass p,.glass li{color:var(--muted)}.glass ul,.glass ol{margin:0;padding-left:20px}

/* prev/next nav */
.pn{display:flex;gap:16px;margin-top:48px;padding-top:32px;border-top:1px solid var(--line)}
.pn a{flex:1;padding:20px 24px;border-radius:20px;background:rgba(255,255,255,.04);border:1px solid var(--line);transition:background .2s}
.pn a:hover{background:rgba(255,255,255,.08)}
.pn .label{font-size:12px;color:rgba(0,212,170,.6);letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px}
.pn .title{font-size:17px;font-weight:700}
.pn .next{text-align:right}

/* footer */
.footer{padding:56px 0 36px;border-top:1px solid var(--line);color:rgba(255,255,255,.45);font-size:14px;position:relative;background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,0))}
.footer::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:min(220px,42vw);height:1px;background:linear-gradient(90deg,transparent,var(--sc-accent,#00d4aa),transparent)}
.footer-shell{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr) minmax(0,.9fr);gap:28px;align-items:start;text-align:left}
.footer-brand,.footer-nav,.footer-trust{display:flex;flex-direction:column;gap:12px}
.footer-brand{gap:14px}
.footer-brand p{margin:0;max-width:320px;line-height:1.7;color:rgba(255,255,255,.62)}
.footer-badge{display:inline-flex;align-items:center;gap:8px;width:fit-content;padding:8px 14px;border-radius:999px;background:rgba(0,212,170,.08);border:1px solid rgba(0,212,170,.18);color:rgba(218,255,246,.88);font-size:12px;font-weight:700}
.footer-badge strong{color:#fff;font-weight:800}
.footer-title{margin:0 0 12px;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.5)}
.footer-links{display:flex;flex-wrap:wrap;gap:12px 18px;margin:0;font-size:13px;align-content:start}
.footer-links a{color:rgba(255,255,255,.58);transition:color .2s,transform .2s}
.footer-links a:hover{color:var(--sc-accent,#00d4aa);transform:translateY(-1px)}
.footer-meta{display:flex;flex-wrap:wrap;gap:10px}
.footer-meta span{display:inline-flex;align-items:center;justify-content:center;padding:8px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.04);color:rgba(255,255,255,.62);font-size:12px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);font-size:12px;color:rgba(255,255,255,.42)}
.footer-bottom p{margin:0;line-height:1.7}
.footer-bottom p a{color:var(--sc-accent,#00d4aa)}
.footer-handle{letter-spacing:.08em;text-transform:uppercase}
@media(max-width:768px){
  .footer{padding:48px 0 28px}
  .footer-shell{grid-template-columns:1fr;gap:24px;text-align:center}
  .footer-brand,.footer-nav,.footer-trust{align-items:center}
  .footer-brand p{max-width:none}
  .footer-badge{margin:0 auto}
  .footer-links,.footer-meta,.footer-bottom{justify-content:center}
  .footer-bottom{flex-direction:column}
}