:root{
  --bg:#0b0f17;
  --panel: rgba(18, 26, 40, .72);
  --panel2: rgba(12, 18, 30, .78);
  --text:#e7edf6;
  --muted:#a8b6cc;
  --line: rgba(255,255,255,.12);
  --brand:#5aa7ff;
  --brand2:#ffcc66;
  --ok:#2dd4bf;
  --danger:#fb7185;
  --shadow: 0 18px 50px rgba(0,0,0,.45);
  --radius: 18px;
  --radius2: 26px;
  --max: 1180px;
  --cta: #2b76ff;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, "Noto Sans CJK SC", sans-serif;
  background: radial-gradient(1200px 800px at 70% -10%, rgba(90,167,255,.25), transparent 60%),
              radial-gradient(900px 700px at 15% 15%, rgba(255,204,102,.14), transparent 60%),
              radial-gradient(900px 700px at 70% 70%, rgba(45,212,191,.10), transparent 60%),
              var(--bg);
  color:var(--text);
  background-attachment: fixed;
  position: relative;
  overflow-x:hidden;
}

a{color:inherit; text-decoration:none}
.container{width:min(var(--max), calc(100% - 40px)); margin:0 auto}
.badge{
  display:inline-flex; gap:8px; align-items:center;
  padding:8px 12px; border:1px solid var(--line);
  border-radius:999px; background:rgba(255,255,255,.04);
  color:var(--muted); font-size:13px;
  backdrop-filter: blur(10px);
}
.badge .dot{width:8px; height:8px; border-radius:50%; background:var(--ok); box-shadow:0 0 0 4px rgba(45,212,191,.14)}

.nav{
  position:sticky; top:0; z-index:50;
  background: linear-gradient(to bottom, rgba(11,15,23,.85), rgba(11,15,23,.55));
  backdrop-filter: blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.nav-inner{display:flex; align-items:center; justify-content:space-between; padding:14px 0}
.brand{
  display:flex; align-items:center; gap:10px; font-weight:700; letter-spacing:.4px
}
.logo{
  width:34px; height:34px; border-radius:10px;
  background: radial-gradient(circle at 30% 30%, rgba(90,167,255,.95), rgba(90,167,255,.35) 40%, rgba(0,0,0,.0) 70%),
              radial-gradient(circle at 60% 70%, rgba(255,204,102,.8), rgba(255,204,102,.2) 45%, rgba(0,0,0,.0) 70%),
              rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
}
.nav-links{display:flex; gap:18px; align-items:center; color:var(--muted); font-size:14px}
.nav-links a{padding:8px 10px; border-radius:12px}
.nav-links a:hover{background:rgba(255,255,255,.06); color:var(--text)}
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.06);
  color:var(--text);
  padding:10px 14px;
  border-radius:14px;
  cursor:pointer;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
  user-select:none;
}
.btn:hover{transform: translateY(-1px); background:rgba(255,255,255,.09); border-color:rgba(255,255,255,.18)}
.btn.primary{
  background: linear-gradient(135deg, rgba(43,118,255,.95), rgba(90,167,255,.65));
  border-color: rgba(90,167,255,.55);
  box-shadow: 0 18px 45px rgba(43,118,255,.25);
}
.btn.primary:hover{background: linear-gradient(135deg, rgba(43,118,255,1), rgba(90,167,255,.75))}
.btn.small{padding:8px 12px; border-radius:12px; font-size:14px}

.hero{
  position:relative;
  padding: 56px 0 30px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 26px;
  align-items:stretch;
}
@media (max-width: 980px){
  .hero-grid{grid-template-columns: 1fr; gap:18px}
}
.hero-copy{
  padding: 10px 0;
}
.h1{
  font-size: 46px;
  line-height:1.05;
  margin:14px 0 14px;
  letter-spacing:-.6px;
}
@media (max-width: 520px){
  .h1{font-size: 36px}
}
.sub{
  color:var(--muted);
  font-size:16px;
  line-height:1.7;
  margin:0 0 18px;
  max-width: 46ch;
}
.hero-pills{display:flex; gap:10px; flex-wrap:wrap; margin: 18px 0 22px}
.pill{
  display:inline-flex; gap:8px; align-items:center;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.10);
  color: var(--text);
  font-size: 13px;
}
.pill svg{opacity:.9}

.hero-actions{display:flex; gap:12px; flex-wrap:wrap; margin: 8px 0 10px}
.trust{
  margin-top:14px;
  display:flex; gap:14px; flex-wrap:wrap; color:var(--muted);
  font-size:13px;
}
.trust .item{display:flex; gap:8px; align-items:center}
.trust .chip{
  padding:6px 10px; border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
}
.hero-visual{
  position:relative;
  border-radius: var(--radius2);
  border:1px solid rgba(255,255,255,.12);
  box-shadow: var(--shadow);
  overflow:hidden;
  min-height: 420px;
}
.hero-visual::before{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(to top, rgba(11,15,23,.88), rgba(11,15,23,.25) 55%, rgba(11,15,23,.25));
  z-index:1;
}
.hero-visual img{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:cover;
  filter: saturate(1.05) contrast(1.05);
  transform: scale(1.02);
}
.visual-caption{
  position:absolute; left:18px; right:18px; bottom:18px; z-index:2;
  background: rgba(0,0,0,.28);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 18px;
  padding: 14px 14px;
  backdrop-filter: blur(12px);
}
.visual-caption .t{font-weight:700; margin:0 0 6px}
.visual-caption .d{color:var(--muted); margin:0; font-size:13px; line-height:1.6}

.section{padding: 38px 0}
.section-title{
  display:flex; align-items:flex-end; justify-content:space-between; gap:20px; flex-wrap:wrap;
  margin-bottom:16px;
}
.section-title h2{
  margin:0;
  font-size: 28px;
  letter-spacing:-.3px;
}
.section-title p{
  margin:0;
  color:var(--muted);
  max-width: 52ch;
  line-height:1.6;
}

.cards{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}
.card{
  grid-column: span 4;
  border-radius: var(--radius);
  border:1px solid rgba(255,255,255,.12);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  box-shadow: 0 18px 50px rgba(0,0,0,.22);
  padding: 18px;
  position:relative;
  overflow:hidden;
}
.card::after{
  content:"";
  position:absolute; inset:-80px -80px auto auto;
  width:200px; height:200px;
  background: radial-gradient(circle, rgba(90,167,255,.18), transparent 60%);
  transform: rotate(18deg);
}
.card h3{margin: 0 0 8px; font-size:18px}
.card p{margin:0; color:var(--muted); line-height:1.7; font-size:14px}
.card .meta{margin-top:12px; display:flex; gap:8px; flex-wrap:wrap}
.tag{
  font-size:12px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.18);
  color: rgba(231,237,246,.9);
}
@media (max-width: 980px){
  .card{grid-column: span 6}
}
@media (max-width: 620px){
  .card{grid-column: span 12}
}

.process{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap:14px;
}
.step{
  grid-column: span 3;
  border-radius: var(--radius);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  padding: 16px;
}
.step .n{
  width:34px; height:34px; border-radius:12px;
  display:grid; place-items:center;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.18);
  font-weight:800;
}
.step h4{margin:10px 0 6px; font-size:16px}
.step p{margin:0; color:var(--muted); font-size:13px; line-height:1.65}
@media (max-width: 980px){ .step{grid-column: span 6}}
@media (max-width: 620px){ .step{grid-column: span 12}}

.cta{
  border-radius: var(--radius2);
  border:1px solid rgba(255,255,255,.12);
  background: linear-gradient(135deg, rgba(43,118,255,.18), rgba(255,204,102,.12));
  box-shadow: var(--shadow);
  padding: 22px;
  display:flex; align-items:center; justify-content:space-between;
  gap: 18px;
  flex-wrap:wrap;
}
.cta h3{margin:0; font-size:20px}
.cta p{margin:6px 0 0; color:var(--muted); line-height:1.6; max-width: 60ch}
.footer{
  padding: 26px 0 40px;
  color: rgba(168,182,204,.9);
  border-top:1px solid rgba(255,255,255,.08);
  margin-top: 30px;
}
.footer .grid{
  display:grid; grid-template-columns: 1.2fr .8fr;
  gap:18px;
}
@media (max-width: 820px){ .footer .grid{grid-template-columns:1fr}}
.small-muted{font-size:12px; color:rgba(168,182,204,.85); line-height:1.65}
.kv{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 10px;
}
.kv div{
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  border-radius: 14px;
  padding: 10px 12px;
}
.kv b{display:block; font-size:12px; color: rgba(231,237,246,.88)}
.kv span{display:block; font-size:12px; color: rgba(168,182,204,.9); margin-top:4px}

/* Floating support buttons */
.fab-wrap{
  position:fixed;
  right: 18px;
  bottom: 88px; /* per user's rule */
  z-index: 999;
  display:flex;
  flex-direction:column;
  gap: 10px;
}
.fab{
  width: 54px; height: 54px;
  border-radius: 18px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.35);
  backdrop-filter: blur(14px);
  box-shadow: 0 18px 45px rgba(0,0,0,.35);
  display:grid;
  place-items:center;
  cursor:pointer;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
}
.fab:hover{transform: translateY(-2px); background: rgba(0,0,0,.45); border-color: rgba(255,255,255,.22)}
.fab svg{width:24px; height:24px}
.fab .lbl{
  position:absolute;
  right: 64px;
  white-space:nowrap;
  padding: 8px 10px;
  border-radius: 12px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.40);
  color: rgba(231,237,246,.92);
  font-size: 13px;
  opacity:0;
  transform: translateX(6px);
  pointer-events:none;
  transition: opacity .12s ease, transform .12s ease;
}
.fab:hover .lbl{opacity:1; transform: translateX(0)}

/* Modal */
.modal-backdrop{
  position:fixed; inset:0;
  background: rgba(0,0,0,.62);
  backdrop-filter: blur(8px);
  display:none;
  z-index: 1000;
  padding: 22px;
}
.modal{
  width: min(520px, 100%);
  margin: 8vh auto 0;
  border-radius: 22px;
  border:1px solid rgba(255,255,255,.14);
  background: linear-gradient(180deg, rgba(18,26,40,.96), rgba(12,18,30,.92));
  box-shadow: 0 30px 80px rgba(0,0,0,.55);
  overflow:hidden;
}
.modal-header{
  display:flex; justify-content:space-between; align-items:center;
  padding: 16px 16px 12px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.modal-title{font-weight:800; letter-spacing:.3px}
.modal-close{
  width:36px; height:36px; border-radius: 14px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.04);
  cursor:pointer;
  display:grid; place-items:center;
}
.modal-close:hover{background: rgba(255,255,255,.07)}
.modal-body{padding: 16px}
.qq-box{
  display:grid;
  grid-template-columns: 1fr 320px;
  gap: 14px;
  align-items:start;
}
@media (max-width: 640px){ .qq-box{grid-template-columns:1fr}}
.kline{
  border:1px solid rgba(255,255,255,.10);
  border-radius: 18px;
  background: rgba(0,0,0,.18);
  padding: 14px;
}
.kline b{display:block; font-size:12px; color:rgba(231,237,246,.92)}
.kline .val{font-size:18px; margin-top:6px; letter-spacing:.6px}
.copy-row{display:flex; gap:10px; margin-top: 12px; flex-wrap:wrap}
.note{margin-top:10px; color: rgba(168,182,204,.92); font-size: 12px; line-height:1.65}
.qr{
  border:1px dashed rgba(255,255,255,.18);
  border-radius: 18px;
  background: rgba(255,255,255,.03);
  padding: 10px;
  display:grid; place-items:center;
}
.qr img{width: 100%; height:auto; border-radius: 14px}
.toast{
  position:fixed;
  left:50%;
  transform: translateX(-50%);
  bottom: 24px;
  background: rgba(0,0,0,.55);
  border:1px solid rgba(255,255,255,.14);
  color: rgba(231,237,246,.95);
  padding: 10px 12px;
  border-radius: 14px;
  backdrop-filter: blur(12px);
  box-shadow: 0 20px 60px rgba(0,0,0,.45);
  opacity:0;
  pointer-events:none;
  transition: opacity .14s ease, transform .14s ease;
  z-index: 1200;
}
.toast.show{opacity:1; transform: translateX(-50%) translateY(-2px)}


/* Global hero-style background image layer */
body::before{
  content:"";
  position: fixed;
  inset:-20px;
  background:
    linear-gradient(180deg, rgba(11,15,23,.55), rgba(11,15,23,.92)),
    radial-gradient(900px 700px at 20% 20%, rgba(90,167,255,.22), transparent 60%),
    radial-gradient(900px 700px at 80% 30%, rgba(255,204,102,.16), transparent 60%),
    url("../img/hero.png");
  background-size: cover;
  background-position: center top;
  filter: blur(18px) saturate(1.05) contrast(1.05);
  opacity: .75;
  z-index: -1;
}

/* Hero full-bleed layout */
.hero{
  padding: 72px 0 40px;
}
.hero-grid{
  align-items: center;
}
.hero-visual{
  min-height: 560px;
}
@media (max-width: 980px){
  .hero{padding: 62px 0 26px;}
  .hero-visual{min-height: 420px;}
}
@media (min-width: 1180px){
  .h1{font-size: 56px;}
  .sub{font-size:17px;}
}

/* Section panels to keep the same moody style */
.section{
  position: relative;
}
.section .container{
  position: relative;
}
.section-panel{
  border-radius: var(--radius2);
  border:1px solid rgba(255,255,255,.10);
  background: linear-gradient(180deg, rgba(0,0,0,.30), rgba(255,255,255,.03));
  box-shadow: 0 22px 70px rgba(0,0,0,.30);
  padding: 22px;
}
@media (max-width: 620px){
  .section-panel{padding: 16px;}
}

/* Subtle divider glow */
.divider{
  height: 1px;
  width: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.16), transparent);
  margin: 10px 0 0;
}

/* Image-driven sections */
.image-grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}
.img-card{
  grid-column: span 4;
  border-radius: var(--radius2);
  border:1px solid rgba(255,255,255,.12);
  overflow:hidden;
  position:relative;
  box-shadow: 0 22px 70px rgba(0,0,0,.32);
  min-height: 320px;
  background: rgba(0,0,0,.20);
}
.img-card img{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit: cover;
  filter: saturate(1.04) contrast(1.06);
  transform: scale(1.03);
}
.img-card::before{
  content:"";
  position:absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(0,0,0,.10), rgba(0,0,0,.75)),
    radial-gradient(700px 380px at 30% 20%, rgba(90,167,255,.22), transparent 60%),
    radial-gradient(700px 380px at 80% 15%, rgba(255,204,102,.16), transparent 60%);
  z-index:1;
}
.img-card .content{
  position:absolute; left:16px; right:16px; bottom:16px;
  z-index:2;
  border-radius: 18px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.26);
  padding: 14px;
  backdrop-filter: blur(12px);
}
.img-card h3{margin:0 0 6px; font-size:18px}
.img-card p{margin:0; color:var(--muted); font-size:13px; line-height:1.6}
.img-card .meta{margin-top:10px; display:flex; gap:8px; flex-wrap:wrap}
.img-card .meta .tag{background: rgba(255,255,255,.06)}
@media (max-width: 980px){ .img-card{grid-column: span 6; min-height: 280px;} }
@media (max-width: 620px){ .img-card{grid-column: span 12; min-height: 260px;} }

.big-visual{
  border-radius: var(--radius2);
  border:1px solid rgba(255,255,255,.12);
  overflow:hidden;
  position:relative;
  min-height: 360px;
  box-shadow: 0 22px 70px rgba(0,0,0,.30);
  background: rgba(0,0,0,.18);
}
.big-visual img{position:absolute; inset:0; width:100%; height:100%; object-fit:cover; transform:scale(1.02); filter:saturate(1.05) contrast(1.05)}
.big-visual::before{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(90deg, rgba(0,0,0,.70), rgba(0,0,0,.25) 55%, rgba(0,0,0,.65));
}
.big-visual .overlay{
  position:relative;
  z-index:2;
  padding: 22px;
  width: min(560px, 92%);
}
.big-visual .overlay h2{margin:0 0 10px; font-size: 28px}
.big-visual .overlay p{margin:0 0 14px; color:var(--muted); line-height:1.7}
.big-visual .overlay .row{display:flex; gap:10px; flex-wrap:wrap}