:root{
  --qsu-ink:#0A1F44;
  --qsu-primary:#0F3460;
  --qsu-cobalt:#1A5F9E;
  --qsu-accent:#00C2A8;
  --qsu-gold:#F6B93B;
  --qsu-paper:#F4F7FC;
  --qsu-muted:#64748B;
  --qsu-line:#D3E2F5;
  --qsu-success:#10B981;
  --qsu-warning:#F6B93B;
  --qsu-on-dark:rgba(244,247,252,.82);
  --qsu-font-head:"Impact","Anton","Arial Black","PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --qsu-font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --qsu-font-data:"JetBrains Mono","Roboto Mono","SFMono-Regular","Consolas","Menlo",monospace;
}

*,
*::before,
*::after{
  box-sizing:border-box;
}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
}

body{
  margin:0;
  background:var(--qsu-paper);
  color:var(--qsu-ink);
  font-family:var(--qsu-font-body);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:repeating-linear-gradient(-12deg,transparent 0 20px,rgba(15,52,96,.036) 20px 21px,transparent 21px 58px);
}

h1,h2,h3,h4{
  font-family:var(--qsu-font-head);
  font-weight:800;
  line-height:1.12;
  letter-spacing:.01em;
  color:var(--qsu-ink);
  margin:0 0 .45em;
}

h1{
  font-size:clamp(2.45rem,5.2vw,4rem);
}

h2{
  font-size:clamp(1.75rem,3.2vw,2.5rem);
}

h3{
  font-size:clamp(1.25rem,2vw,1.55rem);
}

h4{
  font-size:1.08rem;
}

p{
  margin:0 0 1em;
}

a{
  color:var(--qsu-cobalt);
}

a:hover{
  color:var(--qsu-primary);
}

img{
  display:block;
  max-width:100%;
  height:auto;
}

button,
input{
  font:inherit;
}

ul,ol{
  margin:0;
  padding:0;
}

[hidden]{
  display:none !important;
}

::selection{
  background:var(--qsu-accent);
  color:var(--qsu-ink);
}

:focus-visible{
  outline:2px solid var(--qsu-gold);
  outline-offset:2px;
}

#main-content{
  scroll-margin-top:96px;
}

.qsu-wrap{
  width:calc(100% - 48px);
  max-width:1120px;
  margin-inline:auto;
  position:relative;
}

.qsu-section{
  padding-block:clamp(48px,7vw,88px);
}

.qsu-section--tight{
  padding-block:40px;
}

.qsu-section--dark{
  background:var(--qsu-primary);
  color:var(--qsu-on-dark);
}

.qsu-kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin:0 0 18px;
  font-family:var(--qsu-font-data);
  font-size:12px;
  font-weight:500;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--qsu-cobalt);
}

.qsu-kicker::before{
  content:"";
  width:24px;
  height:2px;
  display:inline-block;
  background:var(--qsu-gold);
}

.qsu-kicker--light{
  color:var(--qsu-accent);
}

.qsu-lead{
  font-size:18px;
  line-height:1.65;
  color:var(--qsu-muted);
}

.qsu-lead--dark{
  color:rgba(244,247,252,.72);
}

.qsu-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border:1px solid var(--qsu-primary);
  border-radius:4px;
  background:var(--qsu-primary);
  color:#fff;
  font-size:14px;
  font-weight:700;
  line-height:1;
  text-decoration:none;
  cursor:pointer;
  transition:background .2s,border-color .2s,transform .2s,box-shadow .2s;
}

.qsu-btn:hover{
  background:var(--qsu-cobalt);
  border-color:var(--qsu-cobalt);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 10px 20px rgba(15,52,96,.18);
}

.qsu-btn:active{
  transform:translateY(0);
}

.qsu-btn--accent{
  background:var(--qsu-accent);
  border-color:var(--qsu-accent);
  color:var(--qsu-ink);
}

.qsu-btn--accent:hover{
  background:#00dcc0;
  border-color:#00dcc0;
  color:var(--qsu-ink);
}

.qsu-btn--gold{
  background:var(--qsu-gold);
  border-color:var(--qsu-gold);
  color:var(--qsu-ink);
}

.qsu-btn--gold:hover{
  background:#ffc95a;
  border-color:#ffc95a;
  color:var(--qsu-ink);
}

.qsu-btn--ghost{
  background:transparent;
  border-color:var(--qsu-cobalt);
  color:var(--qsu-cobalt);
}

.qsu-btn--ghost:hover{
  background:var(--qsu-cobalt);
  color:#fff;
}

.qsu-btn--sm{
  height:34px;
  padding:0 14px;
  font-size:13px;
}

.qsu-grid{
  display:grid;
  gap:24px;
}

.qsu-grid--2{
  grid-template-columns:repeat(2,minmax(0,1fr));
}

.qsu-grid--3{
  grid-template-columns:repeat(3,minmax(0,1fr));
}

.qsu-grid--4{
  grid-template-columns:repeat(4,minmax(0,1fr));
}

.qsu-card{
  position:relative;
  background:#fff;
  border:1px solid var(--qsu-line);
  border-radius:14px;
  padding:24px;
  box-shadow:0 1px 2px rgba(10,31,68,.04);
}

.qsu-card--dark{
  background:var(--qsu-primary);
  border-color:var(--qsu-primary);
  color:var(--qsu-on-dark);
}

.qsu-card__title{
  font-size:20px;
  margin:0 0 10px;
}

.qsu-ratio{
  position:relative;
  overflow:hidden;
  border-radius:14px;
  background:linear-gradient(135deg,var(--qsu-line) 0%,#bed4f2 55%,var(--qsu-cobalt) 135%);
}

.qsu-ratio::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  pointer-events:none;
  background:repeating-linear-gradient(-45deg,rgba(255,255,255,.14) 0 8px,transparent 8px 20px);
  mix-blend-mode:overlay;
}

.qsu-ratio--wide{
  padding-top:56.25%;
}

.qsu-ratio--square{
  padding-top:100%;
}

.qsu-ratio--poster{
  padding-top:133.34%;
}

.qsu-ratio__inner{
  position:absolute;
  inset:0;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:16px;
}

.qsu-crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin:0 0 18px;
  padding:0;
  list-style:none;
  font-family:var(--qsu-font-data);
  font-size:12px;
}

.qsu-crumb li{
  display:inline-flex;
  align-items:center;
  gap:8px;
}

.qsu-crumb li:not(:last-child)::after{
  content:"/";
  color:var(--qsu-muted);
}

.qsu-crumb a{
  color:var(--qsu-cobalt);
  text-decoration:none;
  border-bottom:1px solid transparent;
}

.qsu-crumb a:hover{
  border-bottom-color:var(--qsu-cobalt);
}

.qsu-crumb [aria-current="page"]{
  color:var(--qsu-ink);
  font-weight:700;
}

.qsu-stripe{
  height:4px;
  border:0;
  margin:0;
  background:linear-gradient(90deg,var(--qsu-gold) 0 14%,var(--qsu-accent) 14% 28%,var(--qsu-cobalt) 28% 52%,transparent 52%);
}

.qsu-skip{
  position:fixed;
  top:-100%;
  left:16px;
  z-index:1100;
  display:inline-flex;
  align-items:center;
  background:var(--qsu-gold);
  color:var(--qsu-ink);
  font-size:13px;
  font-weight:800;
  text-decoration:none;
  padding:10px 16px;
  border-radius:0 0 6px 6px;
  box-shadow:0 8px 20px rgba(10,31,68,.25);
  transition:top .3s;
}

.qsu-skip:focus{
  top:0;
}

.qsu-header{
  position:sticky;
  top:0;
  z-index:100;
  background:var(--qsu-ink);
}

.qsu-header::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:3px;
  background:linear-gradient(90deg,var(--qsu-gold) 0 18%,var(--qsu-accent) 18% 36%,transparent 36%);
}

.qsu-header::before{
  content:"";
  position:absolute;
  top:0;
  right:0;
  width:180px;
  height:100%;
  pointer-events:none;
  background:linear-gradient(105deg,transparent 40%,rgba(0,194,168,.16) 40% 66%,transparent 66%);
}

.qsu-header__inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:76px;
}

.qsu-lockup{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  text-decoration:none;
}

.qsu-lockup__mark{
  position:relative;
  width:27px;
  height:27px;
  border-radius:3px;
  background:linear-gradient(135deg,var(--qsu-gold) 0 24%,transparent 24%),var(--qsu-accent);
  transform:skewX(-8deg);
}

.qsu-lockup__mark::after{
  content:"";
  position:absolute;
  left:7px;
  top:5px;
  width:9px;
  height:13px;
  border-radius:1px;
  background:var(--qsu-ink);
  transform:skewX(8deg) rotate(-12deg);
}

.qsu-lockup__text{
  font-family:var(--qsu-font-head);
  font-size:20px;
  font-weight:800;
  letter-spacing:.02em;
  color:#fff;
  line-height:1;
}

.qsu-lockup__sub{
  font-family:var(--qsu-font-data);
  font-size:10px;
  color:var(--qsu-gold);
  letter-spacing:.08em;
  line-height:1.2;
  border:1px solid rgba(246,185,59,.45);
  padding:2px 5px;
  border-radius:2px;
}

.qsu-nav{
  display:flex;
  align-items:center;
  margin-left:auto;
}

.qsu-nav__list{
  display:flex;
  align-items:center;
  gap:2px;
  list-style:none;
}

.qsu-nav__link{
  position:relative;
  display:flex;
  align-items:baseline;
  gap:7px;
  padding:26px 12px 25px;
  margin-bottom:-3px;
  color:rgba(244,247,252,.68);
  font-size:14px;
  font-weight:600;
  letter-spacing:.04em;
  text-decoration:none;
  border-bottom:3px solid transparent;
  white-space:nowrap;
  transition:color .2s,border-color .2s,background .2s;
}

.qsu-nav__link::before{
  content:attr(data-index);
  font-family:var(--qsu-font-data);
  font-size:10px;
  font-weight:500;
  color:var(--qsu-gold);
  opacity:.8;
  letter-spacing:0;
}

.qsu-nav__link:hover{
  color:#fff;
}

.qsu-nav__link[aria-current="page"]{
  color:#fff;
  border-bottom-color:var(--qsu-accent);
}

.qsu-nav__link[aria-current="page"]::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:1px;
  width:4px;
  height:4px;
  border-radius:50%;
  background:var(--qsu-gold);
  transform:translateX(-50%);
}

.qsu-nav__cta{
  display:none;
}

.qsu-tools{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}

.qsu-search{
  position:relative;
}

.qsu-search__input{
  width:170px;
  height:36px;
  padding:0 12px 0 32px;
  background:rgba(244,247,252,.07);
  border:1px solid rgba(211,226,245,.16);
  border-radius:3px;
  color:#fff;
  font-size:13px;
  outline:none;
  appearance:none;
  -webkit-appearance:none;
  transition:border-color .2s,background .2s,width .2s;
}

.qsu-search__input::placeholder{
  color:rgba(244,247,252,.38);
}

.qsu-search__input::-webkit-search-cancel-button{
  display:none;
  -webkit-appearance:none;
}

.qsu-search__input:focus{
  width:190px;
  background:rgba(244,247,252,.12);
  border-color:var(--qsu-accent);
}

.qsu-search__icon{
  position:absolute;
  left:10px;
  top:50%;
  width:11px;
  height:11px;
  border:1.6px solid rgba(244,247,252,.55);
  border-radius:50%;
  transform:translateY(-50%);
  pointer-events:none;
}

.qsu-search__icon::after{
  content:"";
  position:absolute;
  right:-4px;
  bottom:-2px;
  width:6px;
  height:1.6px;
  background:rgba(244,247,252,.55);
  transform:rotate(45deg);
  border-radius:1px;
}

.qsu-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:36px;
  padding:0 14px;
  background:var(--qsu-accent);
  border-radius:3px;
  color:var(--qsu-ink);
  font-size:13px;
  font-weight:800;
  letter-spacing:.02em;
  text-decoration:none;
  transition:background .2s,transform .2s,box-shadow .2s;
}

.qsu-cta:hover{
  background:var(--qsu-gold);
  color:var(--qsu-ink);
  transform:translateY(-1px);
  box-shadow:0 6px 16px rgba(0,194,168,.28);
}

.qsu-cta__dot{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--qsu-ink);
  opacity:.85;
}

.qsu-cta__label{
  white-space:nowrap;
}

.qsu-burger{
  display:none;
  width:44px;
  height:38px;
  padding:0;
  background:transparent;
  border:1px solid rgba(211,226,245,.22);
  border-radius:3px;
  cursor:pointer;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:5px;
}

.qsu-burger__bar{
  display:block;
  width:17px;
  height:2px;
  border-radius:1px;
  background:#fff;
  transition:transform .25s,opacity .25s;
}

.qsu-burger[data-open] .qsu-burger__bar:nth-child(1){
  transform:translateY(7px) rotate(45deg);
}

.qsu-burger[data-open] .qsu-burger__bar:nth-child(2){
  opacity:0;
  transform:scaleX(.4);
}

.qsu-burger[data-open] .qsu-burger__bar:nth-child(3){
  transform:translateY(-7px) rotate(-45deg);
}

.qsu-footer{
  position:relative;
  background:var(--qsu-primary);
  color:var(--qsu-on-dark);
}

.qsu-footer__signal{
  height:4px;
  background:linear-gradient(90deg,var(--qsu-gold) 0 18%,var(--qsu-accent) 18% 36%,transparent 36%);
}

.qsu-footer__inner{
  padding-block:56px 40px;
}

.qsu-footer__grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:32px;
}

.qsu-lockup--footer .qsu-lockup__text{
  font-size:22px;
}

.qsu-footer__brand .qsu-lockup{
  margin-bottom:16px;
}

.qsu-footer__about{
  margin:0 0 16px;
  max-width:26em;
  font-size:14px;
  color:rgba(244,247,252,.68);
}

.qsu-footer__trust{
  margin:0;
  padding:14px 16px 14px 20px;
  background:rgba(10,31,68,.35);
  border-left:3px solid var(--qsu-gold);
  border-radius:0 8px 8px 0;
  font-size:13px;
  line-height:1.7;
  color:rgba(244,247,252,.78);
}

.qsu-footer__trustmark{
  color:var(--qsu-gold);
  font-size:22px;
  line-height:0;
  margin-right:4px;
}

.qsu-footer__title{
  margin:0 0 14px;
  font-family:var(--qsu-font-data);
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--qsu-accent);
}

.qsu-footer__list{
  list-style:none;
  display:grid;
  gap:8px;
}

.qsu-footer__list a{
  color:rgba(244,247,252,.72);
  font-size:14px;
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .2s,border-color .2s;
}

.qsu-footer__list a:hover{
  color:#fff;
  border-bottom-color:var(--qsu-gold);
}

.qsu-footer__note{
  margin-top:18px;
  font-family:var(--qsu-font-data);
  font-size:12px;
  line-height:1.8;
  color:rgba(244,247,252,.5);
}

.qsu-footer__list--plain{
  gap:10px;
  font-size:13px;
  color:rgba(244,247,252,.72);
}

.qsu-footer__label{
  display:block;
  font-family:var(--qsu-font-data);
  font-size:10px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--qsu-gold);
  margin-bottom:1px;
}

.qsu-footer__contact{
  overflow-wrap:break-word;
}

.qsu-footer__bottom{
  background:rgba(10,31,68,.5);
  border-top:1px solid rgba(211,226,245,.14);
}

.qsu-footer__bottominner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px;
  padding-block:20px;
}

.qsu-footer__meta{
  margin:0;
  font-family:var(--qsu-font-data);
  font-size:12px;
  letter-spacing:.03em;
  color:rgba(244,247,252,.52);
}

.qsu-footer__side{
  display:flex;
  align-items:center;
  gap:14px;
}

.qsu-live{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--qsu-font-data);
  font-size:11px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--qsu-success);
}

.qsu-live::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:currentColor;
  box-shadow:0 0 0 0 rgba(16,185,129,.45);
  animation:qsuPulse 2.2s infinite;
}

@keyframes qsuPulse{
  0%{
    box-shadow:0 0 0 0 rgba(16,185,129,.5);
  }
  70%{
    box-shadow:0 0 0 8px rgba(16,185,129,0);
  }
  100%{
    box-shadow:0 0 0 0 rgba(16,185,129,0);
  }
}

.qsu-top{
  position:fixed;
  right:20px;
  bottom:20px;
  z-index:60;
  width:44px;
  height:44px;
  display:grid;
  place-items:center;
  border:none;
  border-radius:50%;
  background:var(--qsu-gold);
  color:var(--qsu-ink);
  font-size:18px;
  font-weight:800;
  cursor:pointer;
  box-shadow:0 8px 24px rgba(10,31,68,.25);
  transition:transform .2s,background .2s;
}

.qsu-top:hover{
  background:var(--qsu-accent);
  transform:translateY(-3px);
}

html.qsu-js [data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .5s ease,transform .5s ease;
}

html.qsu-js [data-reveal].is-in{
  opacity:1;
  transform:none;
}

@media (max-width:1023px){
  .qsu-search{
    display:none;
  }

  .qsu-burger{
    display:inline-flex;
  }

  .qsu-tools{
    margin-left:auto;
  }

  .qsu-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    margin-left:0;
    flex-direction:column;
    align-items:stretch;
    background:var(--qsu-ink);
    border-bottom:3px solid var(--qsu-accent);
    box-shadow:0 24px 40px rgba(10,31,68,.28);
    max-height:0;
    overflow:hidden;
    visibility:hidden;
    transition:max-height .32s ease,visibility .32s step-end;
  }

  .qsu-nav[data-open]{
    max-height:calc(100vh - 76px);
    overflow:auto;
    visibility:visible;
    transition:max-height .32s ease,visibility .32s step-start;
  }

  .qsu-nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:10px 20px 6px;
  }

  .qsu-nav__item{
    border-bottom:1px solid rgba(211,226,245,.1);
  }

  .qsu-nav__item:last-child{
    border-bottom:none;
  }

  .qsu-nav__link{
    padding:15px 4px;
    margin:0;
    border-bottom:none;
    font-size:16px;
    white-space:normal;
  }

  .qsu-nav__link[aria-current="page"]{
    background:rgba(0,194,168,.1);
    color:var(--qsu-accent);
  }

  .qsu-nav__cta{
    display:block;
    margin:18px 20px 22px;
    text-align:center;
    background:var(--qsu-accent);
    border-radius:3px;
    padding:13px 16px;
    font-size:14px;
    font-weight:800;
    color:var(--qsu-ink);
    text-decoration:none;
  }
}

@media (max-width:900px){
  .qsu-grid--3,
  .qsu-grid--4{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }

  .qsu-footer__grid{
    grid-template-columns:1fr 1fr;
    gap:28px;
  }
}

@media (max-width:639px){
  .qsu-cta{
    display:none;
  }

  .qsu-header__inner{
    gap:12px;
  }

  .qsu-grid--2,
  .qsu-grid--3,
  .qsu-grid--4{
    grid-template-columns:1fr;
  }

  .qsu-footer__grid{
    grid-template-columns:1fr;
  }

  .qsu-footer__inner{
    padding-block:40px 28px;
  }

  .qsu-footer__bottominner{
    justify-content:center;
    text-align:center;
  }
}

@media (max-width:480px){
  .qsu-wrap{
    width:calc(100% - 28px);
  }

  .qsu-lockup__sub{
    display:none;
  }

  .qsu-top{
    right:14px;
    bottom:14px;
  }
}

@media (prefers-reduced-motion:reduce){
  html{
    scroll-behavior:auto;
  }

  *,
  *::before,
  *::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }

  html.qsu-js [data-reveal]{
    opacity:1 !important;
    transform:none !important;
    transition:none !important;
  }
}