/* 基础与公共组件 */
:root{--black:#080808;--white:#fff;--muted:#929292;--lime:#c9ff58;--line:#292929;--width:1200px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--black);color:var(--white);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,a,summary{-webkit-tap-highlight-color:transparent}
a:focus-visible,summary:focus-visible{outline:3px solid #749e20;outline-offset:6px}
img{display:block;max-width:100%;height:auto}
h1,h2,h3,p{margin:0}
h2{font-size:clamp(30px,3.4vw,46px);line-height:1.3;letter-spacing:-1.8px;font-weight:800}
h3{font-size:21px;line-height:1.4}
.section-wrap{width:min(var(--width),calc(100% - 96px));margin-inline:auto}
.eyebrow{font-size:13px;letter-spacing:2px;color:var(--muted);margin-bottom:23px}
.button-group{display:flex;flex-wrap:wrap;gap:14px}
.button{min-height:54px;padding:14px 26px;display:inline-flex;align-items:center;justify-content:center;gap:17px;border-radius:40px;font-weight:700;font-size:16px;transition:transform .2s,background .2s}
.button:hover{transform:translateY(-3px)}
.button-white{background:white;color:#080808}.button-white:hover{background:var(--lime)}
.button-dark{background:#242424;color:white}.button-dark:hover{background:#383838}
.button-outline{border:1px solid #676767}.button-outline:hover{background:#222}
.section-description{font-size:17px;line-height:1.9;color:#a0a0a0;margin:25px 0 32px;max-width:490px}
.skip-link{position:fixed;top:-100px;left:20px;padding:12px;background:white;color:black;z-index:100}.skip-link:focus{top:8px}
/* 顶部导航 */
.site-header{min-height:76px;padding:0 32px;display:flex;align-items:center;gap:34px;border-bottom:1px solid #202020;background:#080808;position:relative;z-index:10}
.brand{display:inline-flex;align-items:center;gap:9px;font-size:27px;font-weight:900;white-space:nowrap;letter-spacing:-1px}
.brand-mark{width:27px;height:27px;display:inline-block;background:linear-gradient(currentColor,currentColor) 0 0/9px 9px,linear-gradient(currentColor,currentColor) 100% 0/9px 9px,linear-gradient(currentColor,currentColor) 50% 50%/9px 9px,linear-gradient(currentColor,currentColor) 0 100%/9px 9px,linear-gradient(currentColor,currentColor) 100% 100%/9px 9px;background-repeat:no-repeat}
.demo-label{font-size:10px;font-weight:400;color:#aaa;letter-spacing:0;border-left:1px solid #484848;padding-left:9px;margin-left:3px}
.desktop-nav{display:flex;gap:25px;font-size:13px}.desktop-nav a:hover,.header-actions>a:hover{color:var(--lime)}
.header-actions{display:flex;align-items:center;gap:20px;margin-left:auto;font-size:13px}.outline-button{border:1px solid #fff;border-radius:30px;padding:4px 14px}.download-link{font-size:26px}
.mobile-menu{display:none}
/* 首屏与手机示意 */
.hero{display:grid;grid-template-columns:1.12fr 1fr;align-items:center;min-height:710px;gap:55px;padding-block:60px}
.hero h1{font-size:clamp(40px,4.6vw,64px);line-height:1.25;letter-spacing:-2.5px;font-weight:800}.hero-description{font-size:18px;color:#aaa;margin:26px 0 34px;line-height:1.8}.hero-note{font-size:11px;color:#858585;margin-top:20px}
.hero-visual{position:relative;min-height:560px;display:flex;justify-content:center;align-items:center;isolation:isolate}
.phone{width:280px;border:1px solid #666;border-radius:40px;padding:18px 17px 12px;background:#0c0c0c;box-shadow:0 0 0 5px #171717,0 35px 65px #000;transform:rotate(7deg);position:relative}
.phone-camera{position:absolute;top:12px;left:calc(50% - 40px);width:80px;height:19px;border-radius:20px;background:#000}.phone-top{display:flex;justify-content:space-between;font-size:9px;margin:0 9px 25px}.pair{display:flex;justify-content:space-between;font-size:14px;font-weight:bold}.phone-tabs{display:flex;gap:23px;font-size:10px;color:#858585;margin-top:17px;border-bottom:1px solid #222;padding-bottom:9px}.phone-tabs .selected{color:#fff}.quote{padding:16px 0}.quote strong{display:block;color:var(--lime);font-size:28px;line-height:1.1;letter-spacing:-.8px}.quote>span{font-size:9px;color:#aaa}.quote b{color:var(--lime);margin-left:8px}.chart-period{display:flex;justify-content:space-between;font-size:9px;color:#aaa;padding-bottom:8px}.chart{width:100%}.order-book{display:grid;grid-template-columns:1fr 1fr;font-size:9px;gap:4px 14px;margin-top:8px}.order-book span:nth-child(even){text-align:right}.order-book>span:nth-child(-n+2){color:#8c8c8c;font-size:8px}.order-book b{color:var(--lime);font-weight:400}.phone-buttons{display:flex;gap:8px;margin-top:14px;font-size:12px;font-weight:bold;text-align:center}.phone-buttons span{width:50%;background:var(--lime);color:#111;border-radius:20px;padding:6px}.phone-buttons span+span{background:#ec7be2}.sample-label{font-size:8px;text-align:center;color:#777;margin-top:8px}
.orbit{position:absolute;width:430px;height:430px;border:1px solid #252525;border-radius:50%;z-index:-1}.orbit-two{width:520px;height:520px;border-style:dashed;opacity:.55}.floating-label{position:absolute;bottom:10px;right:0;padding:10px 15px;background:#181818;border:1px solid #303030;border-radius:5px;font-size:9px;letter-spacing:1px;transform:rotate(-4deg)}.floating-label i{display:inline-block;width:6px;height:6px;background:var(--lime);border-radius:50%;margin-right:6px}
.feature-strip{display:flex;align-items:center;justify-content:space-between;padding:32px 0 45px;border-top:1px solid var(--line);gap:20px}.feature-strip>span{font-size:13px;color:#888}.feature-strip strong{font-size:21px;letter-spacing:1px}.feature-strip strong span{font-size:11px;font-weight:400;color:#999;margin-left:14px;letter-spacing:0}
/* 内容区 */
.light-section{background:#fff;color:#111;padding:95px 0}.light-section .eyebrow{color:#737373}.security-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:36px;margin-top:60px}.line-icon{display:flex;width:64px;height:64px;align-items:center;justify-content:center;font-size:49px;line-height:1;margin-bottom:25px}.security-grid p{font-size:14px;color:#666;line-height:1.9;margin-top:15px}.text-link{display:inline-block;margin-top:17px;font-size:13px;border-bottom:1px solid #999}
.market-section{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;padding-block:115px}.coin-art{height:330px;position:relative}.coin{display:flex;align-items:center;justify-content:center;border-radius:50%;position:absolute;font-family:Arial,sans-serif;box-shadow:8px 9px 0 #303030,14px 18px 35px #000;border:2px solid #ddd}.coin-btc{width:190px;height:190px;left:24px;top:25px;background:#fafafa;color:black;font-size:125px;transform:rotate(-18deg);z-index:2}.coin-eth{width:145px;height:145px;right:0;top:0;background:#aaa;color:#111;font-size:100px;transform:rotate(20deg)}.coin-usdt{width:125px;height:125px;right:65px;bottom:35px;background:var(--lime);color:#111;font-size:82px;border-color:var(--lime);transform:rotate(15deg);z-index:3}.coin-caption{position:absolute;bottom:-10px;left:35px;color:#666;letter-spacing:3px;font-size:10px}
.products{background:#f7f7f7}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:45px}.product-card{display:flex;flex-direction:column;background:white;border:1px solid #e2e2e2;border-radius:10px;padding:26px;transition:transform .2s,border-color .2s}.product-card:hover{transform:translateY(-5px);border-color:#777}.product-number{color:#777;font-size:10px;letter-spacing:1.5px}.product-symbol{font-size:70px;line-height:1.7;margin:10px 0}.product-card p{font-size:13px;color:#666;margin:14px 0 28px}.card-link{display:flex;justify-content:space-between;font-size:13px;font-weight:bold;margin-top:auto}
.professional{text-align:center;padding-top:100px;overflow:hidden}.professional .section-description{margin-inline:auto}.terminal-art{margin:55px auto 0;border:1px solid #454545;border-bottom:0;border-radius:14px 14px 0 0;background:#111;max-width:860px;padding:20px 25px 0;text-align:left}.terminal-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #333;padding-bottom:15px;font-size:12px;color:#aaa}.brand-mini{font-size:24px;font-weight:900;color:#fff}.terminal-body{display:grid;grid-template-columns:1fr 3fr 1fr;gap:25px;height:275px;overflow:hidden;padding-top:22px}.terminal-sidebar{color:#777;font-size:11px;line-height:3.7}.terminal-body img{width:100%}.terminal-orders{font-size:10px;color:#aaa;line-height:3}.terminal-orders span{display:block;color:var(--lime)}
.faq-wrap{max-width:880px}.faq h2{text-align:center;margin-bottom:42px}.faq details{border-bottom:1px solid #dedede}.faq summary{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:25px 0;cursor:pointer;font-size:18px;list-style:none}.faq summary::-webkit-details-marker,.mobile-menu summary::-webkit-details-marker{display:none}.faq summary::after{content:'+';font-size:27px;font-weight:300}.faq details[open] summary::after{content:'−'}.faq details p{padding:0 36px 25px 0;color:#666;font-size:14px;line-height:1.9}.faq p a{text-decoration:underline}
.site-footer{padding-block:64px 28px}.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:35px}.footer-top p{font-size:14px;margin-top:17px}.footer-top small{color:#777;font-size:10px}.footer-top h2{font-size:14px;letter-spacing:0;margin-bottom:20px}.footer-top nav a{display:block;font-size:12px;color:#999;margin-top:12px}.footer-top nav a:hover{color:#fff}.footer-cta .button{font-size:13px;min-height:45px}.footer-bottom{border-top:1px solid #292929;margin-top:50px;padding-top:22px;color:#888;font-size:11px}.footer-bottom p+p{margin-top:6px}
/* 平板与移动端 */
@media(min-width:1440px){.hero{min-height:760px}}
@media(max-width:1100px){.site-header{gap:20px;padding-inline:24px}.desktop-nav{gap:17px}.demo-label{display:none}.hero{gap:25px}.hero h1{font-size:48px}.orbit-two{width:400px;height:400px}.orbit-one{width:330px;height:330px}.security-grid{gap:22px}.product-card{padding:20px}.feature-strip strong span{display:block;margin-left:0}.coin-btc{left:0}.coin-usdt{right:25px}}
@media(max-width:800px){.section-wrap{width:calc(100% - 40px)}.site-header{min-height:66px;padding:0 20px;gap:18px}.brand{font-size:24px}.desktop-nav,.download-link{display:none}.header-actions{gap:13px}.mobile-menu{display:block}.mobile-menu summary{list-style:none;cursor:pointer;font-size:24px}.mobile-menu nav{position:absolute;left:0;right:0;top:66px;background:#161616;padding:16px 24px;border-bottom:1px solid #444}.mobile-menu nav a{display:block;padding:10px 0;font-size:15px}.hero{grid-template-columns:1fr;gap:22px;padding-top:50px;padding-bottom:30px;text-align:center}.hero h1{font-size:clamp(36px,7.3vw,52px);letter-spacing:-1.5px}.desktop-break{display:none}.hero-description{font-size:16px;margin:22px 0 27px}.hero-description br{display:none}.button-group{justify-content:center}.hero-visual{min-height:565px;overflow:hidden}.hero-note{font-size:10px}.floating-label{right:calc(50% - 160px)}.feature-strip{flex-wrap:wrap;justify-content:space-around;text-align:center;padding-block:24px 30px}.feature-strip>span{width:100%}.feature-strip strong{font-size:17px}.light-section{padding:65px 0}.security-grid{grid-template-columns:repeat(2,1fr);gap:38px 25px;margin-top:40px}.security-grid h3{font-size:18px}.security-grid p{font-size:13px}.market-section{grid-template-columns:1fr;padding-block:65px;gap:42px}.coin-art{width:330px;max-width:100%;margin:auto}.product-grid{grid-template-columns:repeat(2,1fr)}.professional{padding-top:65px}.terminal-art{padding:15px 15px 0}.terminal-body{grid-template-columns:1fr 3fr;height:220px;gap:15px}.terminal-orders{display:none}.faq summary{font-size:16px;padding:22px 0}.footer-top{grid-template-columns:repeat(2,minmax(0,1fr));gap:25px}.footer-top nav a{overflow-wrap:anywhere}.footer-cta .button{padding:11px 17px}}
@media(max-width:420px){.hero h1{font-size:35px}.button{padding:13px 19px;font-size:14px;gap:9px}.hero .eyebrow{font-size:11px}.hero-visual{min-height:550px}.product-grid{gap:12px}.product-card{padding:17px}.product-card h3{font-size:19px}.product-number{font-size:9px;letter-spacing:.5px}.product-symbol{font-size:55px}.terminal-sidebar{display:none}.terminal-body{grid-template-columns:1fr}.security-grid{gap:30px 18px}.feature-strip strong{font-size:15px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}


/* 防止装饰元素与亚像素舍入产生横向滚动 */
html{overflow-x:clip}