/* ============================================
   dx-binance.com — SaaSpal blue, curved hero
   Color: #4361ee (vivid blue)
   ============================================ */
:root{
  --pri:#4361ee;--pri-dark:#3a56d4;--pri-light:#e8ecff;--pri-bg:#f4f6ff;
  --dark:#1a1f36;--text:#5e6278;--text2:#9498ab;--bg:#fff;
  --green:#10b981;--red:#ef4444;--radius:16px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;color:var(--dark);background:#fff;line-height:1.7;font-size:16px}
a{color:var(--pri);text-decoration:none;transition:color .2s}
a:hover{color:var(--pri-dark)}
.container{max-width:1140px;margin:0 auto;padding:0 24px}

/* Buttons — pill shape */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;border-radius:50px;cursor:pointer;border:2px solid transparent;transition:all .25s;font-size:15px;padding:12px 30px;text-decoration:none;line-height:1.4}
.btn--primary{background:var(--pri);color:#fff;border-color:var(--pri);box-shadow:0 4px 16px rgba(67,97,238,.3)}
.btn--primary:hover{background:var(--pri-dark);border-color:var(--pri-dark);color:#fff;transform:translateY(-1px);box-shadow:0 6px 20px rgba(67,97,238,.4)}
.btn--outline{background:transparent;color:var(--pri);border-color:var(--pri)}
.btn--outline:hover{background:var(--pri);color:#fff}
.btn--dark{background:var(--dark);color:#fff;border-color:var(--dark)}
.btn--dark:hover{background:#2d3250;color:#fff}
.btn--white{background:#fff;color:var(--pri);border-color:#fff;box-shadow:0 2px 10px rgba(0,0,0,.08)}
.btn--white:hover{background:var(--pri-light);color:var(--pri-dark)}
.btn--outline-white{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn--outline-white:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.btn--sm{padding:8px 22px;font-size:13px}
.btn--lg{padding:14px 34px;font-size:16px}
.btn--full{width:100%}

/* Section */
.sec{padding:80px 0}
.sec--alt{background:var(--pri-bg)}
.sec-badge{display:inline-block;color:var(--pri);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:2px;margin-bottom:8px}
.sec-title{font-size:30px;font-weight:800;color:var(--dark);margin-bottom:12px;line-height:1.3}
.sec-desc{font-size:15px;color:var(--text);max-width:520px;line-height:1.7}
.sec-center{text-align:center}
.sec-center .sec-desc{margin:0 auto}

/* ===== Header (transparent → white on scroll) ===== */
.hdr{position:fixed;top:0;left:0;right:0;z-index:100;padding:14px 0;transition:all .3s}
.hdr.scrolled{background:#fff;box-shadow:0 1px 20px rgba(0,0,0,.06);padding:8px 0}
.hdr.scrolled .hdr__brand{color:var(--dark)}
.hdr.scrolled .hdr__nav a{color:var(--text)}
.hdr.scrolled .hdr__nav a:hover{color:var(--pri)}
.hdr.scrolled .hdr__cta{background:var(--pri);color:#fff;box-shadow:0 2px 10px rgba(67,97,238,.3)}
.hdr.scrolled .lang-switch a{color:var(--text)}
.hdr.scrolled .lang-switch a.active{color:var(--pri);background:var(--pri-light)}
.hdr.scrolled .hdr__burger{color:var(--dark)}
.hdr__inner{display:flex;align-items:center;height:40px;gap:20px}
.hdr__brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:18px;color:#fff;flex-shrink:0}
.hdr__brand svg{width:28px;height:28px}
.hdr__nav{display:flex;gap:2px;margin-left:auto}
.hdr__nav a{font-size:14px;color:rgba(255,255,255,.85);font-weight:500;padding:6px 12px;border-radius:6px;transition:all .2s}
.hdr__nav a:hover{color:#fff}
.hdr__cta{padding:8px 24px;background:#fff;color:var(--pri);border-radius:50px;font-size:13px;font-weight:700;white-space:nowrap;transition:all .2s}
.hdr__cta:hover{opacity:.9}
.hdr__burger{display:none;background:none;border:none;color:#fff;cursor:pointer}
.hdr__burger svg{width:24px;height:24px}
.lang-switch{display:flex;gap:3px}
.lang-switch a{font-size:11px;padding:3px 7px;border-radius:4px;color:rgba(255,255,255,.6);font-weight:600;transition:all .15s}
.lang-switch a:hover,.lang-switch a.active{color:#fff;background:rgba(255,255,255,.15)}
@media(max-width:768px){.hdr__nav,.lang-switch{display:none}.hdr__burger{display:block}}

/* Mobile */
.mob{display:none;position:fixed;inset:0;background:rgba(255,255,255,.98);z-index:200;flex-direction:column;align-items:center;justify-content:center;gap:20px}
.mob--open{display:flex}
.mob__close{position:absolute;top:16px;right:16px;background:none;border:none;cursor:pointer;color:var(--dark)}
.mob__close svg{width:28px;height:28px}
.mob a{font-size:1.1rem;color:var(--dark);font-weight:500}
.mob a:hover{color:var(--pri)}
.mob__lang{display:flex;gap:8px;margin-top:12px}
.mob__lang a{font-size:.85rem;padding:6px 12px;border-radius:4px;color:var(--text)}
.mob__lang a.on{background:var(--pri-light);color:var(--pri)}

/* ===== Hero (SaaSpal: curved bottom, 2-col) ===== */
.hero{background:linear-gradient(150deg,#4361ee 0%,#5a7bff 40%,#6d8dff 100%);color:#fff;padding:130px 0 110px;position:relative;overflow:hidden}
.hero::after{content:'';position:absolute;bottom:-1px;left:-5%;right:-5%;height:80px;background:#fff;border-radius:50% 50% 0 0 / 100% 100% 0 0}
.hero::before{content:'';position:absolute;top:-80px;right:-80px;width:300px;height:300px;background:rgba(255,255,255,.06);border-radius:50%}
.hero .container{position:relative;z-index:1;display:flex;align-items:center;gap:48px}
.hero__text{flex:1;max-width:500px}
.hero__title{font-size:clamp(30px,5vw,44px);font-weight:800;line-height:1.15;margin-bottom:18px}
.hero__desc{font-size:16px;opacity:.9;margin-bottom:32px;line-height:1.8}
.hero__btns{display:flex;gap:14px;flex-wrap:wrap}
.hero__visual{flex:1;display:flex;justify-content:center}
.hero__visual-box{background:rgba(255,255,255,.1);border-radius:20px;padding:36px;backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.12);width:100%;max-width:380px;text-align:center}
@media(max-width:768px){
  .hero{padding:120px 0 90px}
  .hero .container{flex-direction:column;text-align:center}
  .hero__btns{justify-content:center}
  .hero__visual{display:none}
}

/* ===== Ticker ===== */
.ticker{background:var(--dark);color:#fff;padding:14px 0;overflow:hidden}
.ticker__track{overflow:hidden}
.ticker__scroll{display:flex;gap:36px;animation:tickScroll 30s linear infinite;width:max-content}
.ticker__scroll:hover{animation-play-state:paused}
@keyframes tickScroll{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
.ticker__item{display:flex;align-items:center;gap:10px;font-size:14px;white-space:nowrap}
.ticker__name{font-weight:700;min-width:40px}
.ticker__price{color:var(--text2);min-width:70px}
.ticker__change{font-weight:600;font-size:13px;padding:2px 8px;border-radius:4px;min-width:65px;text-align:center}
.ticker__change--up{color:var(--green);background:rgba(16,185,129,.1)}
.ticker__change--down{color:var(--red);background:rgba(239,68,68,.1)}

/* ===== 3 Feature Cards (SaaSpal: circle icons) ===== */
.feat3{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:-10px;position:relative;z-index:2}
@media(max-width:768px){.feat3{grid-template-columns:1fr;gap:24px;margin-top:0}}
.feat3__card{text-align:center;padding:32px 20px}
.feat3__icon{width:80px;height:80px;background:var(--pri-light);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;color:var(--pri);transition:all .3s}
.feat3__card:hover .feat3__icon{background:var(--pri);color:#fff;box-shadow:0 8px 24px rgba(67,97,238,.25)}
.feat3__title{font-size:18px;font-weight:700;color:var(--dark);margin-bottom:8px}
.feat3__desc{font-size:14px;color:var(--text);line-height:1.7}

/* ===== Alternating 2-col (SaaSpal: with blob bg + dots) ===== */
.alt-row{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
@media(max-width:768px){.alt-row{grid-template-columns:1fr;gap:24px}}
.alt-row--reverse .alt-row__visual{order:-1}
@media(max-width:768px){.alt-row--reverse .alt-row__visual{order:0}}
.alt-row__visual{position:relative;background:linear-gradient(135deg,#4361ee 0%,#6d8dff 100%);border-radius:40% 60% 60% 40% / 60% 40% 60% 40%;padding:48px;display:flex;align-items:center;justify-content:center;min-height:300px;color:#fff}
.alt-row__visual::after{content:'';position:absolute;bottom:-10px;right:10px;width:100px;height:60px;background-image:radial-gradient(circle,rgba(67,97,238,.3) 2px,transparent 2px);background-size:14px 14px}
.alt-row__content h3{font-size:26px;font-weight:800;color:var(--dark);margin-bottom:14px;line-height:1.3}
.alt-row__content p{font-size:15px;color:var(--text);margin-bottom:18px;line-height:1.8}
.alt-row__list{list-style:none;margin-bottom:24px}
.alt-row__list li{padding:6px 0;font-size:15px;color:var(--dark);font-weight:600;display:flex;align-items:center;gap:10px}
.alt-row__list li::before{content:'';width:8px;height:8px;background:var(--pri);border-radius:50%;flex-shrink:0}

/* ===== Steps ===== */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px}
@media(max-width:900px){.steps-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:500px){.steps-grid{grid-template-columns:1fr}}
.step{background:#fff;border-radius:var(--radius);padding:28px 20px;text-align:center;box-shadow:0 2px 16px rgba(0,0,0,.04);transition:all .3s}
.step:hover{box-shadow:0 8px 28px rgba(67,97,238,.1);transform:translateY(-3px)}
.step__num{width:44px;height:44px;background:var(--pri);color:#fff;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;margin:0 auto 14px;box-shadow:0 4px 12px rgba(67,97,238,.25)}
.step__title{font-size:16px;font-weight:700;color:var(--dark);margin-bottom:8px}
.step__desc{font-size:13px;color:var(--text);line-height:1.6}

/* ===== 6-card feature grid ===== */
.feat6{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:48px}
@media(max-width:900px){.feat6{grid-template-columns:repeat(2,1fr)}}
@media(max-width:500px){.feat6{grid-template-columns:1fr}}
.feat6__card{padding:28px 24px;transition:all .3s}
.feat6__card:hover{transform:translateY(-2px)}
.feat6__icon{width:52px;height:52px;background:var(--pri-light);border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--pri)}
.feat6__title{font-size:16px;font-weight:700;color:var(--dark);margin-bottom:8px}
.feat6__desc{font-size:14px;color:var(--text);line-height:1.7}

/* ===== CTA Banner (SaaSpal: horizontal with input look) ===== */
.cta-banner{background:linear-gradient(135deg,#4361ee,#3a56d4);border-radius:20px;padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:40px;color:#fff;box-shadow:0 8px 32px rgba(67,97,238,.2)}
@media(max-width:768px){.cta-banner{flex-direction:column;text-align:center;padding:32px 24px}}
.cta-banner__text h2{font-size:22px;font-weight:800;margin-bottom:8px}
.cta-banner__text p{opacity:.85;font-size:14px;line-height:1.7;max-width:400px}
.cta-banner__btns{display:flex;gap:12px;flex-shrink:0;flex-wrap:wrap}

/* ===== FAQ numbered cards (single col) ===== */
.faq-numbered{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:36px}
@media(max-width:768px){.faq-numbered{grid-template-columns:1fr}}
.faq-num-card{display:flex;gap:20px;background:#fff;border-radius:var(--radius);padding:28px;box-shadow:0 2px 16px rgba(0,0,0,.04);transition:all .3s;align-items:flex-start}
.faq-num-card:hover{box-shadow:0 6px 24px rgba(67,97,238,.08);transform:translateX(4px)}
.faq-num-card__num{width:44px;height:44px;min-width:44px;background:var(--pri);color:#fff;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;box-shadow:0 4px 12px rgba(67,97,238,.2)}
.faq-num-card__body{flex:1}
.faq-num-card__q{font-size:16px;font-weight:700;color:var(--dark);margin-bottom:8px;line-height:1.5}
.faq-num-card__a{font-size:14px;color:var(--text);line-height:1.8}

/* ===== Footer ===== */
.ftr{background:#0f1225;color:#8b8fa3;padding:48px 0 24px}
.ftr__grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px}
@media(max-width:768px){.ftr__grid{grid-template-columns:1fr 1fr;gap:24px}}
@media(max-width:480px){.ftr__grid{grid-template-columns:1fr}}
.ftr__brand{font-size:18px;font-weight:800;color:#fff;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.ftr__brand svg{width:24px;height:24px}
.ftr__desc{font-size:13px;line-height:1.7;color:#5e6278}
.ftr__col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.ftr__col ul{list-style:none}
.ftr__col li{margin-bottom:8px}
.ftr__col a{color:#5e6278;font-size:13px;transition:color .2s}
.ftr__col a:hover{color:var(--pri)}
.ftr__lang{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.ftr__lang a{display:inline-block;padding:4px 10px;font-size:12px;color:#5e6278;border:1px solid #1e2340;border-radius:6px;transition:all .2s}
.ftr__lang a:hover,.ftr__lang a.active{color:#fff;border-color:var(--pri);background:rgba(67,97,238,.2)}
.ftr__bottom{border-top:1px solid #1e2340;padding-top:20px;font-size:12px;color:#3d4156}
.ftr__risk{margin-bottom:8px;line-height:1.7}
.ftr__risk strong{color:#5e6278}

/* ===== Download page ===== */
.dl-hero{background:linear-gradient(135deg,#4361ee,#3a56d4);color:#fff;padding:56px 0;text-align:center}
.dl-hero h1{font-size:2rem;font-weight:800;margin-bottom:12px}
.dl-hero p{font-size:1rem;opacity:.9;max-width:480px;margin:0 auto}
.dl-grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.dl-grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.dl-grid5{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.dl-card{background:#fff;border-radius:var(--radius);padding:28px;text-align:center;box-shadow:0 2px 16px rgba(0,0,0,.05);border:2px solid transparent;transition:all .3s}
.dl-card:hover{border-color:var(--pri);box-shadow:0 8px 24px rgba(67,97,238,.1)}
.dl-badge{display:inline-block;color:#fff;font-size:.75rem;font-weight:700;padding:4px 14px;border-radius:20px;margin-bottom:16px;letter-spacing:1px}
.dl-card h2{font-size:1.1rem;font-weight:700;color:var(--dark);margin-bottom:14px}
.dl-card ul{list-style:none;text-align:left;margin-bottom:20px;padding:0}
.dl-card li{padding:6px 0;font-size:.88rem;color:var(--text);border-bottom:1px solid #f5f5f5}
.dl-card li:last-child{border-bottom:none}
.dl-step-card{background:#fff;border-radius:12px;padding:24px 16px;text-align:center;box-shadow:0 1px 8px rgba(0,0,0,.04)}
.dl-step-num{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;margin:0 auto 12px}
.dl-step-card h3{font-size:.88rem;font-weight:700;color:var(--dark);margin-bottom:8px}
.dl-step-card p{font-size:.8rem;color:var(--text);line-height:1.6}
@media(max-width:768px){.dl-grid3{grid-template-columns:1fr}.dl-grid4,.dl-grid5{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.dl-grid4,.dl-grid5{grid-template-columns:1fr}}

/* Page */
.page-content{padding:48px 0 60px}
.page-content h1{font-size:28px;font-weight:800;margin-bottom:20px;color:var(--dark)}
.page-content h2{font-size:20px;font-weight:700;margin:28px 0 12px;color:var(--dark)}
.page-content p{color:var(--text);line-height:1.85;margin-bottom:14px}

/* Back to top */
.back-top{position:fixed;bottom:24px;right:24px;width:40px;height:40px;background:var(--pri);color:#fff;border:none;border-radius:50%;cursor:pointer;opacity:0;transform:translateY(10px);transition:all .3s;box-shadow:0 2px 10px rgba(67,97,238,.3);z-index:50;display:flex;align-items:center;justify-content:center}
.back-top--show{opacity:1;transform:translateY(0)}
.back-top svg{width:20px;height:20px}