/* DeepBit · Binance navigator — Dropbox-style reskin */
:root{
  --blue:#0061FF;
  --blue-d:#0050d6;
  --ink:#1e1919;
  --ink2:#404040;
  --muted:#6e6e6e;
  --line:#dfdbd2;
  --line2:#e7e3da;
  --paper:#ffffff;
  --hero:#f7f5f2;
  --beige:#e8e3da;
  --beige2:#efece4;
  --dark:#1e1e1e;
  --dark2:#161616;
  --radius:10px;
  --maxw:1232px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",'Atlas Grotesk',Roboto,Helvetica,Arial,"PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--paper);
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:800;letter-spacing:-0.01em;line-height:1.12}
p{margin:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;width:100%}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:16px;font-weight:600;cursor:pointer;border:0;
  padding:13px 22px;border-radius:6px;transition:.15s;line-height:1.2;
  font-family:inherit;
}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-d)}
.btn-outline{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-link{background:transparent;color:var(--ink);padding:13px 4px;font-weight:700;border-bottom:2px solid var(--ink);border-radius:0}
.btn-link:hover{color:var(--blue);border-color:var(--blue)}
.btn-arr::after{content:"\2192";font-weight:600}
.btn-on-dark{background:#fff;color:var(--ink)}
.btn-on-dark:hover{background:#e8e8e8}
.btn-link-d{background:transparent;color:#fff;padding:13px 4px;font-weight:700;border-bottom:2px solid #fff;border-radius:0}
.btn-link-d:hover{color:#cfd9ff;border-color:#cfd9ff}

/* ---------- header ---------- */
.nav{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line2)}
.nav .row{display:flex;align-items:center;height:64px;gap:20px}
.brand img{height:32px;width:auto}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:18px}
.nav-links>a{padding:8px 12px;font-size:15px;font-weight:600;color:var(--ink);border-radius:6px}
.nav-links>a:hover{background:#f3f1ec}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-right .globe{display:inline-flex;color:var(--ink)}
.nav-right .txt{font-size:15px;font-weight:600;padding:8px 8px}
.nav-right .txt:hover{color:var(--blue)}
.nav-right .lang{font-size:14px;font-weight:700;padding:6px 10px;border:1px solid var(--line);border-radius:6px}
.nav-right .btn{padding:9px 18px;font-size:15px}

/* ---------- hero ---------- */
.hero{background:var(--hero)}
.hero .wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:center;padding-top:64px;padding-bottom:64px}
.hero h1{font-size:56px;line-height:1.04;letter-spacing:-0.02em}
.hero .lead{margin-top:22px;font-size:18px;color:var(--ink2);max-width:480px}
.hero .cta-row{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}
.hero .btn{padding:15px 26px;font-size:17px}
.hero-art{position:relative}
.hero-shot{background:#fff;border-radius:14px;box-shadow:0 18px 50px rgba(0,0,0,.12);border:1px solid #ececec;overflow:hidden}
.hero-shot svg{width:100%;height:auto;display:block}
.hero-phone{position:absolute;right:-6px;bottom:-22px;width:158px;border-radius:18px;box-shadow:0 16px 40px rgba(0,0,0,.22);background:#fff;border:1px solid #e6e6e6;overflow:hidden}
.hero-phone svg{width:100%;height:auto;display:block}

/* ---------- trust logo strip ---------- */
.logos{background:var(--hero);padding:8px 0 56px}
.logos .strip{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;opacity:.8}
.logos .lg{font-weight:800;color:#8a8a8a;letter-spacing:.04em;font-size:17px;white-space:nowrap}
.logos .play{margin:30px auto 0;width:44px;height:44px;border-radius:50%;border:1.5px solid #c7c2b8;display:flex;align-items:center;justify-content:center;color:#6e6e6e}

/* ---------- centered feature blocks ---------- */
.fb{padding:78px 0}
.fb-head{max-width:720px;margin:0 auto;text-align:center}
.pill{display:inline-flex;align-items:center;gap:7px;background:#efece4;color:var(--ink);font-size:13px;font-weight:700;padding:6px 14px;border-radius:30px;margin-bottom:20px}
.pill svg{width:15px;height:15px}
.fb h2{font-size:34px}
.fb-head p{margin-top:14px;font-size:17px;color:var(--ink2)}
.fb-actions{margin-top:26px;display:flex;gap:22px;align-items:center;justify-content:center;flex-wrap:wrap}
.fb-visual{margin-top:48px;display:flex;justify-content:center}
.find-art{position:relative;width:420px;height:264px}
.find-art .ph{position:absolute;border-radius:8px;box-shadow:0 10px 26px rgba(0,0,0,.14);overflow:hidden;border:1px solid #eee}
.find-art .ph svg{width:100%;height:100%;display:block}
.find-art .p1{left:30px;top:6px;width:150px;height:188px}
.find-art .p2{left:140px;top:40px;width:158px;height:196px}
.find-art .meta{position:absolute;font-size:12px;color:var(--muted);font-weight:600}
.find-art .m1{left:32px;top:200px}
.find-art .m2{left:142px;top:240px}
.find-art .searchbar{position:absolute;left:120px;top:120px;width:300px;height:44px;background:#fff;border-radius:8px;box-shadow:0 12px 30px rgba(0,0,0,.16);display:flex;align-items:center;gap:10px;padding:0 16px;color:var(--muted);font-size:14px}

/* ---------- dark security block + testimonial cards ---------- */
.darkwrap{padding:40px 0 78px}
.dark{
  background:linear-gradient(180deg,#262626 0%,#0c0c0c 100%);
  border-radius:24px;color:#fff;padding:84px 24px 0;position:relative;overflow:hidden;
}
.dark .lockbox{width:48px;height:48px;margin:0 auto 22px;color:#fff;display:flex;align-items:center;justify-content:center}
.dark .di{max-width:720px;margin:0 auto;text-align:center}
.dark h2{color:#fff;font-size:34px}
.dark .di p{margin-top:14px;color:#c9c9c9;font-size:17px}
.dark .di .fb-actions{margin-top:26px}
.tstrip{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);gap:20px;margin-top:72px;overflow-x:auto;scrollbar-width:none}
.tstrip::-webkit-scrollbar{display:none}
.tcard{background:#211f1d;border-radius:14px 14px 0 0;min-height:280px;padding:26px;display:flex;flex-direction:column}
.tcard .tag{color:#ff5c8a;font-size:13px;font-weight:800;letter-spacing:.04em}
.tcard h4{color:#fff;font-size:21px;margin-top:14px;line-height:1.25}
.tcard .by{color:#a8a8a8;font-size:14px;margin-top:14px;flex:1}
.tcard .foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px}
.tcard .pl{width:30px;height:30px;border-radius:50%;border:1.5px solid #fff;display:flex;align-items:center;justify-content:center;color:#fff}
.tcard .wt{color:#fff;font-weight:700;font-size:14px;border-bottom:2px solid #fff;padding-bottom:2px}

/* ---------- industry beige grid ---------- */
.beige-sec{padding:78px 0}
.beige-sec h2{text-align:center;font-size:34px;font-weight:700;margin-bottom:48px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.icard{background:var(--beige);border-radius:12px;padding:26px;display:flex;gap:18px;align-items:flex-start}
.icard .ci{width:36px;height:36px;flex:0 0 36px;color:var(--ink)}
.icard h4{font-size:18px;margin-bottom:8px}
.icard p{color:var(--ink2);font-size:15px}
.icard .more{display:inline-block;margin-top:14px;font-weight:700;font-size:14px;border-bottom:1.5px solid var(--ink)}
.icard .more:hover{color:var(--blue);border-color:var(--blue)}

/* ---------- resource article grid ---------- */
.res-sec{background:var(--beige2);padding:78px 0}
.res-sec h2{text-align:center;font-size:34px;font-weight:700;margin-bottom:48px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.acard{background:transparent;display:flex;flex-direction:column}
.acard .thumb{border-radius:12px;overflow:hidden;background:#ded8cd;aspect-ratio:16/10}
.acard .thumb svg{width:100%;height:100%;display:block}
.acard .tg{margin-top:18px;font-size:13px;color:var(--muted);font-weight:600}
.acard h4{margin-top:8px;font-size:18px;line-height:1.3}
.acard .ex{margin-top:10px;color:var(--ink2);font-size:14px;flex:1}
.acard .read{margin-top:14px;font-weight:700;font-size:14px;border-bottom:1.5px solid var(--ink);align-self:flex-start}
.acard .read:hover{color:var(--blue);border-color:var(--blue)}
.res-more{text-align:center;margin-top:42px}
.res-more a{color:var(--blue);font-weight:700;border-bottom:1.5px solid var(--blue)}

/* ---------- platform mini-row ---------- */
.plats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:40px;max-width:880px;margin-left:auto;margin-right:auto}
.plat{background:#fff;border:1px solid var(--line2);border-radius:12px;padding:22px 16px;text-align:center;transition:.15s;cursor:pointer}
.plat:hover{border-color:var(--blue);box-shadow:0 8px 22px rgba(0,97,255,.1);transform:translateY(-2px)}
.plat .pic{width:40px;height:40px;margin:0 auto 12px;color:var(--blue)}
.plat h4{font-size:16px}
.plat span{display:block;margin-top:4px;font-size:13px;color:var(--muted)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}
.step{background:#fff;border:1px solid var(--line2);border-radius:12px;padding:28px}
.step .num{width:38px;height:38px;border-radius:50%;background:var(--blue);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.step h4{font-size:18px;margin-bottom:8px}
.step p{color:var(--ink2);font-size:15px}

/* ---------- faq ---------- */
.faq{max-width:820px;margin:44px auto 0}
.qa{border-bottom:1px solid var(--line2);padding:6px 0}
.qa summary{list-style:none;cursor:pointer;font-weight:700;font-size:17px;padding:18px 36px 18px 0;position:relative}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";position:absolute;right:6px;top:14px;font-size:24px;font-weight:400;color:var(--muted)}
.qa[open] summary::after{content:"\2013"}
.qa .a{color:var(--ink2);font-size:15px;padding:0 0 20px}

/* ---------- footer ---------- */
footer{background:#161616;color:#fff;padding:64px 0 48px}
.fcols{display:grid;grid-template-columns:repeat(6,1fr);gap:24px}
.fcol h5{font-size:16px;color:#fff;margin-bottom:18px;font-weight:800}
.fcol a{display:block;color:#cfcfcf;font-size:14px;padding:6px 0}
.fcol a:hover{color:#fff}
.fsocial{display:flex;gap:18px;margin-top:34px}
.fsocial a{color:#fff;width:22px;height:22px}
.fline{height:1px;width:140px;background:#3a3a3a;margin-top:26px}
.fbar{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#9a9a9a;font-size:13px;margin-top:30px}
.risk{color:#7c7c7c;font-size:12px;line-height:1.7;margin-top:18px;max-width:1000px}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .wrap{padding:0 20px}
  .nav-links,.nav-right .txt,.nav-right .globe{display:none}
  .nav-right{gap:8px}
  .hero .wrap{grid-template-columns:1fr;gap:36px;padding-top:44px;padding-bottom:44px;text-align:center}
  .hero h1{font-size:38px}
  .hero .lead{margin-left:auto;margin-right:auto}
  .hero .cta-row{justify-content:center}
  .hero .cta-row .btn{width:100%}
  .hero-art{margin-top:8px}
  .hero-phone{right:0;width:120px;bottom:-14px}
  .fb h2,.dark h2,.beige-sec h2,.res-sec h2{font-size:26px}
  .fb{padding:54px 0}
  .find-art{transform:scale(.85);transform-origin:top center}
  .grid2,.grid3,.steps,.plats{grid-template-columns:1fr}
  .plats{max-width:none}
  .dark{padding:54px 18px 0;border-radius:18px}
  .tstrip{grid-auto-columns:82%}
  .fcols{grid-template-columns:1fr 1fr;gap:18px}
  .fb-actions{flex-direction:column;gap:14px}
  .fb-actions .btn{width:100%}
}
@media(max-width:560px){
  .hero h1{font-size:30px}
  .fcols{grid-template-columns:1fr}
}