*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --c-bg:#fafafa;
  --c-surface:#ffffff;
  --c-surface-2:#ffffff;
  --c-surface-3:#f3f3f3;
  --c-border:#e5e5e5;
  --c-text:#000000;
  --c-text-2:#4f4f4f;
  --c-text-3:#7a7a7a;
  --c-accent:#ffffff;
  --c-accent-soft:rgba(255,255,255,.1);
  --c-white:#ffffff;
  --font-display:'DM Sans','PingFang SC','Noto Sans SC','Microsoft YaHei',sans-serif;
  --font-body:'DM Sans','PingFang SC','Noto Sans SC','Microsoft YaHei',sans-serif;
  --max-w:1200px;
  --section-py:clamp(64px,10vw,120px);
  --radius:16px;
  --radius-sm:10px;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;font-size:16px}
body{font-family:var(--font-body);background:var(--c-bg);color:var(--c-text);line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max-w);margin:0 auto;padding:0 24px}
section{padding:var(--section-py) 0}

/* ===== 导航 ===== */
.site-nav{position:sticky;top:0;z-index:100;background:rgba(236,233,228,.78);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(120,120,120,.08);transition:background .3s}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;padding-left:0;position:relative}
.nav-logo{font-family:var(--font-display);font-size:15px;font-weight:800;letter-spacing:0;color:#111111;line-height:1;display:flex;justify-content:flex-start;align-items:center;gap:.65rem;max-width:22rem;margin-right:auto}
.nav-logo{margin-left:1.5rem}
.nav-logo-wordmark{display:block;width:auto;height:1.15rem;flex:0 0 auto}
.nav-logo-text{display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:.06rem;transform:translateY(1px)}
.nav-logo .line1{font-size:15px;font-weight:800;white-space:nowrap;display:block}
.nav-logo .line2{font-size:15px;font-weight:800;white-space:nowrap;display:block;margin-left:.55rem}
.nav-links{display:flex;gap:28px;list-style:none;font-size:15px;position:absolute;left:50%;transform:translateX(-50%)}
.nav-links a{color:#111111;font-weight:600;transition:color .2s}
.nav-links a:hover{color:var(--c-accent)}
.nav-cta{background:#111111;color:#ffffff;padding:8px 20px;border-radius:999px;font-weight:600;font-size:14px;transition:transform .2s,box-shadow .2s;display:inline-block}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(0,0,0,.18)}
.menu-toggle{display:none;background:none;border:none;color:#111111;font-size:24px;cursor:pointer;padding:4px}

/* ===== 首屏 ===== */
.hero{position:relative;overflow:hidden;background:#050811;padding:0}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,8,17,.72) 0%,rgba(5,8,17,.34) 42%,rgba(5,8,17,.12) 100%);pointer-events:none;z-index:1}
.hero::after{content:'';position:absolute;left:0;right:0;bottom:0;height:56px;background:linear-gradient(180deg,rgba(250,250,250,0) 0%,rgba(250,250,250,1) 100%);pointer-events:none;z-index:1}
.hero-grid{position:relative;z-index:2;min-height:37.5rem;display:flex;align-items:center;width:100vw;max-width:none;margin-left:calc(50% - 50vw);padding-left:clamp(24px,7vw,120px);padding-right:clamp(24px,7vw,120px)}
.hero-content{max-width:40rem;position:relative;z-index:3;padding:7rem 0 5rem}
.hero-copy{transform:none}
.hero-kicker{display:inline-flex;align-items:center;padding:8px 14px;border:1px solid rgba(111,61,182,.45);color:#6a34b8;background:rgba(255,255,255,.58);font-size:13px;font-weight:700;line-height:1;border-radius:4px;margin-bottom:18px}
.hero-brand-title{display:block;font-family:var(--font-display);font-size:clamp(30px,4.8vw,64px);line-height:1;font-weight:800;letter-spacing:-.035em;color:#111;margin-bottom:18px;text-transform:uppercase;white-space:nowrap}
.hero-brand-title sup{font-size:.42em;line-height:1;vertical-align:top;margin-left:.12em}
.hero-tag{display:inline-block;background:rgba(255,255,255,.5);color:#111111;padding:6px 16px;border-radius:999px;font-size:13px;font-weight:700;margin-bottom:20px;letter-spacing:0;border:1px solid rgba(0,0,0,.08)}
.hero h1{font-family:var(--font-body);font-size:clamp(32px,4.4vw,56px);line-height:1.04;font-weight:700;margin-bottom:16px;color:#111111;letter-spacing:0;text-rendering:geometricPrecision;-webkit-font-smoothing:antialiased}
.hero h1 span{color:#111111}
.hero-desc{font-size:17px;color:rgba(17,17,17,.82);line-height:1.7;margin-bottom:30px;max-width:35rem;font-weight:500}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn-primary{background:#111111;color:#ffffff;padding:14px 32px;border-radius:999px;font-weight:700;font-size:16px;transition:transform .2s,box-shadow .2s;display:inline-block;border:1px solid #111111}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.22)}
.btn-outline{border:1.5px solid #111111;color:#111111;padding:14px 32px;border-radius:999px;font-weight:600;font-size:16px;transition:border-color .2s,color .2s,background .2s;display:inline-block;background:#ffffff}
.btn-outline:hover{border-color:#111111;color:#ffffff;background:#111111}
.hero-visual{position:absolute;inset:0;display:block;width:100%;height:100%;z-index:0;overflow:hidden}
.hero-visual img{width:100%;max-width:none;border-radius:20px;filter:drop-shadow(0 20px 60px rgba(77,163,255,.18))}
.hero-visual::before{content:'';position:absolute;inset:0;z-index:1;pointer-events:none;background:radial-gradient(circle at 74% 36%,rgba(255,198,132,.16) 0%,rgba(255,198,132,0) 28%)}
.hero-visual video{width:100%;height:100%;display:block;object-fit:cover;object-position:center center;border-radius:0;filter:none;background:#050811;border:none;box-shadow:none}

/* ===== 通用模块标题 ===== */
.section-label{display:inline-block;background:var(--c-accent-soft);color:var(--c-accent);padding:5px 14px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-bottom:16px}
.section-title{font-family:var(--font-display);font-size:clamp(28px,4vw,42px);font-weight:800;line-height:1.18;margin-bottom:16px;color:#000}
.section-desc{font-size:17px;color:var(--c-text-2);line-height:1.75;max-width:680px}

/* ===== 关于 Ledger 主体介绍 ===== */
.about{background:#fafafa}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;margin-top:48px}
.about-img{border-radius:var(--radius);overflow:hidden}
.about-img img{width:100%;aspect-ratio:4/3;object-fit:cover}
.about-text p{color:var(--c-text-2);margin-bottom:16px;font-size:16px;line-height:1.8}
.about-text p:last-child{margin-bottom:0}
.highlight-box{background:linear-gradient(180deg,#ffffff 0%,#fafafa 100%);border:1px solid #ececec;padding:22px 24px;border-radius:18px;margin-top:24px;box-shadow:0 10px 26px rgba(0,0,0,.04)}
.highlight-box p{color:#111;font-size:15px;line-height:1.85;margin-bottom:0}

/* ===== 核心价值 ===== */
.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.value-card{background:#fff;border:1px solid var(--c-border);border-radius:8px;padding:36px 28px;transition:border-color .3s,transform .3s,box-shadow .3s;position:relative}
.value-card:hover{border-color:#bfbfbf;transform:translateY(-6px);box-shadow:0 10px 24px rgba(0,0,0,.08)}
.value-icon{width:52px;height:52px;background:#f2f2f2;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-size:24px}
.value-card h3{font-size:19px;font-weight:800;margin-bottom:10px;color:#000}
.value-card p{font-size:15px;color:var(--c-text-2);line-height:1.7}

/* ===== Ledger Wallet 场景模块 ===== */
.wallet-app-band{background:#fff}
.wallet-app-media{position:relative;border-radius:24px;overflow:hidden;min-height:32rem;background:#1a1415}
.wallet-app-media img,.wallet-app-media video{width:100%;height:100%;display:block;object-fit:cover}
.wallet-app-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,12,12,.08) 0%,rgba(20,12,12,.28) 100%)}
.wallet-app-features{display:grid;grid-template-columns:repeat(3,1fr);background:#fff}
.wallet-app-item{padding:2.35rem 1.6rem 2.1rem;border-top:1px solid var(--c-border)}
.wallet-app-item + .wallet-app-item{border-left:1px solid var(--c-border)}
.wallet-app-icon{width:3rem;height:3rem;border-radius:999px;border:1px solid #cfcfcf;background:linear-gradient(180deg,#ffffff 0%,#f5f5f5 100%);display:flex;align-items:center;justify-content:center;font-size:1rem;color:#111;margin-bottom:1.1rem;box-shadow:0 8px 22px rgba(0,0,0,.05)}
.wallet-app-item h3{font-size:1.75rem;line-height:1.18;font-weight:800;color:#111;margin-bottom:.8rem;letter-spacing:-.01em}
.wallet-app-item p{font-size:1rem;line-height:1.82;color:#565656;max-width:24rem}

/* ===== 支持币种展示 ===== */
.asset-band{background:linear-gradient(180deg,#ffffff 0%,#fbfbfb 100%);overflow:hidden}
.asset-band-head{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:start;margin-bottom:2.85rem}
.asset-band .section-desc{max-width:48rem}
.asset-band-cta{display:inline-flex;align-items:center;justify-content:center;height:3.25rem;padding:0 1.4rem;border-radius:999px;border:1px solid rgba(17,17,17,.18);color:#111;font-size:15px;font-weight:700;white-space:nowrap;transition:transform .2s,background .2s,border-color .2s,color .2s;background:#fff}
.asset-band-cta:hover{transform:translateY(-1px);background:#111;color:#fff;border-color:#111}
.asset-band-marquee{position:relative;overflow:hidden;padding:.85rem 0 .25rem}
.asset-band-track{display:flex;align-items:center;gap:2.2rem;width:max-content;animation:asset-scroll 34s linear infinite}
.asset-band-marquee:hover .asset-band-track{animation-play-state:paused}
.asset-chip{flex:0 0 auto;width:4.35rem;height:4.35rem;border-radius:999px;display:flex;align-items:center;justify-content:center;background:transparent}
.asset-chip img{width:100%;height:100%;display:block;object-fit:contain;border-radius:999px;box-shadow:0 8px 18px rgba(0,0,0,.08)}
@keyframes asset-scroll{
  from{transform:translateX(0)}
  to{transform:translateX(-50%)}
}

/* ===== 产品展示 ===== */
.products{background:linear-gradient(180deg,#ffffff 0%,#fbfbfb 100%)}
.products-head{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(220px,.65fr);gap:28px;align-items:end;margin-bottom:2.25rem}
.products-summary{display:flex;justify-content:flex-end}
.products-summary-card{width:100%;max-width:19rem;padding:1rem 1.1rem;border:1px solid #ececec;border-radius:18px;background:rgba(255,255,255,.86);box-shadow:0 10px 30px rgba(0,0,0,.04)}
.products-summary-card strong{display:block;font-size:.82rem;font-weight:800;letter-spacing:.04em;color:#111;margin-bottom:.35rem}
.products-summary-card span{display:block;font-size:.95rem;line-height:1.7;color:#5a5a5a}
.products-carousel{position:relative;overflow:hidden;padding:24px 0 0}
.products-carousel::before,.products-carousel::after{content:"";position:absolute;top:0;bottom:5.5rem;width:16%;z-index:2;pointer-events:none}
.products-carousel::before{left:0;background:linear-gradient(90deg,#fff 10%,rgba(255,255,255,.78) 36%,rgba(255,255,255,0) 100%)}
.products-carousel::after{right:0;background:linear-gradient(270deg,#fff 10%,rgba(255,255,255,.78) 36%,rgba(255,255,255,0) 100%)}
.products-carousel-track{position:relative;height:44rem;padding:0;perspective:1600px;perspective-origin:center center;transform-style:preserve-3d}
.products-carousel-controls{display:flex;justify-content:center;gap:12px;margin-top:20px;flex-wrap:wrap}
.products-carousel-btn{width:52px;height:52px;border-radius:999px;border:1px solid rgba(17,17,17,.08);background:linear-gradient(180deg,#ffffff 0%,#f7f7f7 100%);color:#111;font-size:20px;font-weight:700;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .2s,background .2s,border-color .2s,color .2s,box-shadow .2s;box-shadow:0 10px 24px rgba(0,0,0,.06)}
.products-carousel-btn:hover{transform:translateY(-2px);background:#111;color:#fff;border-color:#111;box-shadow:0 16px 30px rgba(0,0,0,.14)}
.product-tabs{display:flex;gap:12px;flex-wrap:wrap;margin:40px 0 32px}
.product-tab{background:#fff;border:1px solid var(--c-border);padding:10px 22px;border-radius:999px;font-size:14px;font-weight:600;color:#444;cursor:pointer;transition:all .25s}
.product-tab:hover,.product-tab.active{background:#000;color:#fff;border-color:#000}
.product-cards{display:flex;gap:26px}
.product-card{background:linear-gradient(180deg,#ffffff 0%,#fcfcfc 100%);border:1px solid #ececec;border-radius:28px;overflow:hidden;transition:border-color .4s,transform .7s cubic-bezier(.22,.61,.36,1),box-shadow .4s,opacity .4s,filter .4s;position:absolute;left:50%;top:50%;display:flex;flex-direction:column;width:min(25vw,23rem);min-width:18rem;max-width:23rem;min-height:100%;box-shadow:0 12px 28px rgba(0,0,0,.05);transform-origin:center center;opacity:0;filter:saturate(.82) blur(2px);z-index:1;will-change:transform,opacity,filter;cursor:pointer;pointer-events:none}
.product-card:hover{border-color:#d8d8d8;box-shadow:0 22px 42px rgba(0,0,0,.08)}
.product-card.is-far-left,.product-card.is-far-right{opacity:.16;filter:saturate(.8) blur(1px);z-index:1}
.product-card.is-left,.product-card.is-right{opacity:.72;filter:saturate(.92);z-index:2;pointer-events:auto}
.product-card.is-active{border-color:#d8d8d8;box-shadow:0 30px 60px rgba(0,0,0,.12);opacity:1;filter:none;z-index:3;pointer-events:auto}
.product-card.is-left{transform:translate3d(calc(-50% - 19rem),-48%, -180px) rotateY(28deg) scale(.82)}
.product-card.is-right{transform:translate3d(calc(-50% + 19rem),-48%, -180px) rotateY(-28deg) scale(.82)}
.product-card.is-far-left{transform:translate3d(calc(-50% - 32rem),-48%, -360px) rotateY(40deg) scale(.68)}
.product-card.is-far-right{transform:translate3d(calc(-50% + 32rem),-48%, -360px) rotateY(-40deg) scale(.68)}
.product-card.is-active{transform:translate3d(-50%,-50%,0) rotateY(0deg) scale(1)}
.product-card-img{aspect-ratio:1/1;overflow:hidden;background:radial-gradient(circle at 50% 20%,#ffffff 0%,#f8f8f8 56%,#f1f1f1 100%);padding:12px;display:flex;align-items:center;justify-content:center;border-bottom:1px solid #f0f0f0}
.product-card-media{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 50% 22%,rgba(255,255,255,.98) 0%,rgba(252,252,252,.96) 60%,rgba(245,245,245,.94) 100%);border-radius:22px;box-shadow:inset 0 0 0 1px rgba(17,17,17,.03),0 14px 30px rgba(0,0,0,.04);position:relative;overflow:hidden}
.product-card-media::after{content:"";position:absolute;left:14%;right:14%;bottom:9%;height:16%;border-radius:999px;background:radial-gradient(circle,rgba(0,0,0,.12) 0%,rgba(0,0,0,0) 72%);filter:blur(10px);opacity:.52;pointer-events:none}
.product-card-img img{width:100%;height:100%;display:block;object-fit:cover;transition:transform .45s cubic-bezier(.22,.61,.36,1);filter:drop-shadow(0 18px 28px rgba(0,0,0,.12));position:relative;z-index:1}
.product-card.is-active .product-card-img img{transform:scale(1.16)}
.product-card-body{padding:22px 26px 24px;display:flex;flex-direction:column;flex:1}
.product-card-body h3{font-size:21px;font-weight:800;margin-bottom:10px;color:#000;line-height:1.2;text-align:center}
.product-card-body .tag{display:inline-block;align-self:center;background:#f4f4f4;color:#111;font-size:12px;padding:4px 11px;border-radius:999px;margin:0 auto 14px;font-weight:700;border:1px solid #ececec;text-align:center}
.product-card-body p{font-size:15px;color:var(--c-text-2);line-height:1.82;margin-bottom:18px;flex:1}
.product-card-actions{display:flex;align-items:center;justify-content:center}
.product-card-nav{display:none}
.product-card-cta{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;border-radius:999px;background:#111;color:#fff;font-size:14px;font-weight:800;letter-spacing:.01em;transition:transform .2s,box-shadow .2s,background .2s;box-shadow:0 14px 30px rgba(0,0,0,.12);margin: auto auto 0;align-self:center;text-align:center}
.product-card-cta:hover{transform:translateY(-2px);background:#000;box-shadow:0 18px 34px rgba(0,0,0,.18)}
.product-card-body .link{color:var(--c-accent);font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:4px;transition:gap .2s;margin-top:auto}
.product-card-body .link:hover{gap:8px}

/* ===== 产品对比 ===== */
.compare-table-wrap{overflow-x:auto;margin-top:40px;-webkit-overflow-scrolling:touch}
.compare-table{width:100%;border-collapse:collapse;min-width:700px}
.compare-table th,.compare-table td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--c-border);font-size:15px}
.compare-table thead th{background:#fff;color:#000;font-weight:800;position:sticky;top:0;font-size:14px;letter-spacing:.03em}
.compare-table tbody td{color:#555}
.compare-table tbody tr:hover td{background:#fafafa}

/* ===== 适用对象 ===== */
.audience{background:#fafafa}
.audience-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.audience-card{background:#fff;border:1px solid var(--c-border);border-radius:8px;padding:32px 24px;text-align:center;transition:border-color .3s,transform .3s,box-shadow .3s}
.audience-card:hover{border-color:#bdbdbd;transform:translateY(-4px);box-shadow:0 10px 24px rgba(0,0,0,.06)}
.audience-icon{font-size:36px;margin-bottom:16px}
.audience-card h3{font-size:18px;font-weight:800;margin-bottom:10px;color:#000}
.audience-card p{font-size:15px;color:var(--c-text-2);line-height:1.7}

/* ===== 使用指南 ===== */
.guide-steps{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:48px}
.step-card{background:#fff;border:1px solid var(--c-border);border-radius:8px;padding:32px 28px;position:relative;overflow:hidden}
.step-card::before{content:attr(data-step);position:absolute;top:16px;right:20px;font-family:var(--font-display);font-size:64px;font-weight:800;color:rgba(0,0,0,.05);line-height:1}
.step-card h3{font-size:18px;font-weight:800;color:#000;margin-bottom:10px}
.step-card p{font-size:15px;color:var(--c-text-2);line-height:1.75}

/* ===== 安全与注意事项 ===== */
.safety{background:#fff}
.safety-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:48px}
.safety-item{background:#fff;border:1px solid var(--c-border);border-radius:8px;padding:28px 24px;display:flex;gap:16px;align-items:flex-start}
.safety-icon{flex-shrink:0;width:44px;height:44px;background:rgba(255,83,0,.08);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px}
.safety-item h3{font-size:16px;font-weight:800;color:#000;margin-bottom:6px}
.safety-item p{font-size:15px;color:var(--c-text-2);line-height:1.7}

/* ===== 信任支撑 ===== */
.trust-items{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:48px}
.trust-item{text-align:center;padding:32px 16px;background:#fff;border:1px solid #e7e2da;border-radius:8px;box-shadow:0 10px 28px rgba(17,17,17,.04)}
.trust-num{font-family:var(--font-display);font-size:clamp(32px,4vw,48px);font-weight:800;color:#191919;line-height:1.1}
.trust-label{font-size:14px;color:#6b6257;margin-top:8px;font-weight:600}

/* ===== 概念解释 ===== */
.concepts-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:48px}
.concept-card{background:#fff;border:1px solid var(--c-border);border-radius:8px;padding:28px}
.concept-card h3{font-size:17px;font-weight:700;color:var(--c-accent);margin-bottom:8px}
.concept-card p{font-size:15px;color:var(--c-text-2);line-height:1.75}

.compliance-module .section-label,.compliance-module .section-title{text-align:center;display:block}
.compliance-module .feature-grid{justify-content:center}
.compliance-module .feature-card{text-align:center}
.compliance-module .section-title{max-width:40rem;margin-left:auto;margin-right:auto;line-height:1.16}
.compliance-module .section-title .title-line{display:block}
.compliance-module .feature-card p{margin-left:auto;margin-right:auto;max-width:38rem;line-height:1.95;font-size:18px}
.store-showcase{margin-top:2rem;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:24px;align-items:stretch}
.store-visual{position:relative;min-height:34rem;border-radius:24px;overflow:hidden;background:#141414;box-shadow:0 20px 55px rgba(0,0,0,.08)}
.store-visual img{width:100%;height:100%;display:block;object-fit:cover}
.store-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.04) 0%,rgba(0,0,0,.26) 100%)}
.store-badge{position:absolute;left:24px;top:24px;z-index:2;display:inline-flex;align-items:center;padding:.7rem 1rem;border-radius:999px;background:rgba(255,255,255,.92);color:#111;font-size:13px;font-weight:700;backdrop-filter:blur(12px)}
.store-panel{display:flex;flex-direction:column;justify-content:space-between;padding:32px;border-radius:24px;background:linear-gradient(180deg,#ffffff 0%,#f6f6f6 100%);border:1px solid #e8e8e8;box-shadow:0 18px 50px rgba(0,0,0,.05)}
.store-panel .section-title{text-align:center;margin-left:auto;margin-right:auto;max-width:none;margin-bottom:12px;font-size:clamp(24px,3vw,32px);line-height:1.22}
.store-panel .section-desc{max-width:none;font-size:17px;color:#535353}
.store-pills{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}
.store-pills span{display:inline-flex;align-items:center;padding:.72rem 1rem;border-radius:999px;background:#fff;border:1px solid #e5e5e5;color:#111;font-size:14px;font-weight:600}
.store-info-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:8px}
.store-info-card{padding:18px 18px 16px;border-radius:18px;background:#fff;border:1px solid #ececec;text-align:left}
.store-info-card strong{display:block;font-size:13px;color:#7a7a7a;font-weight:700;letter-spacing:.02em;margin-bottom:6px}
.store-info-card span{display:block;font-size:16px;line-height:1.7;color:#111}
.store-action{margin-top:24px;text-align:center}
.store-action .btn-primary{min-width:8.5rem;padding:14px 30px}
.store-note{margin-top:20px;text-align:center;font-size:.82rem;color:#888}

/* ===== FAQ ===== */
.faq{background:#fafafa}
.faq .wrap{text-align:center}
.faq .section-label,.faq .section-title,.faq .section-desc{text-align:center;margin-left:auto;margin-right:auto}
.faq .section-title{font-size:clamp(34px,4.6vw,50px);margin-bottom:20px}
.faq .section-desc{max-width:760px;font-size:18px;line-height:1.9}
.faq-list{max-width:840px;margin:48px auto 0;text-align:left}
.faq-item{border-bottom:1px solid var(--c-border)}
.faq-q{width:100%;background:none;border:none;color:#000;font-size:19px;font-weight:700;text-align:left;padding:24px 0;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:var(--font-body);line-height:1.55}
.faq-q::after{content:'+';font-size:22px;color:#000;flex-shrink:0;transition:transform .3s}
.faq-item.open .faq-q::after{content:'−'}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease}
.faq-a-inner{padding:0 0 24px;font-size:16px;color:var(--c-text-2);line-height:1.9}
.faq-more{max-width:840px;margin:24px auto 0;text-align:center}
.faq-more-link{display:inline-flex;align-items:center;gap:10px;font-size:16px;font-weight:800;color:#111;transition:gap .2s,color .2s}
.faq-more-link:hover{gap:14px;color:#000}

/* ===== 页脚 ===== */
.site-footer{background:linear-gradient(90deg,#050505 0%,#171717 50%,#050505 100%);border-top:1px solid rgba(255,255,255,.08);padding:56px 0 30px}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(180px,.6fr) minmax(180px,.6fr);gap:72px;align-items:start}
.footer-brand{font-family:var(--font-display);font-size:20px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:.01em}
.footer-about{font-size:14px;color:#b4b4b4;line-height:1.9;max-width:430px}
.footer-heading{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.04em}
.footer-links{list-style:none}
.footer-links li{margin-bottom:12px}
.footer-links a{font-size:15px;color:#a9a9a9;transition:color .2s}
.footer-links a:hover{color:var(--c-accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:44px;padding-top:22px;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:#8a8a8a;flex-wrap:wrap;gap:16px}
.footer-meta{max-width:540px}
.footer-nav-col{padding-top:2px}

/* ===== 返回顶部 ===== */
.back-top{position:fixed;bottom:24px;right:24px;width:48px;height:48px;background:var(--c-accent);color:#06101d;border:none;border-radius:50%;font-size:20px;cursor:pointer;display:none;align-items:center;justify-content:center;z-index:90;box-shadow:0 4px 16px rgba(77,163,255,.3);transition:transform .2s}
.back-top:hover{transform:translateY(-2px)}
.back-top.show{display:flex}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .hero-grid{text-align:center;min-height:34rem}
  .hero-content{max-width:100%;padding:6rem 0 4rem}
  .hero-actions{justify-content:center}
  .hero::before{background:linear-gradient(180deg,rgba(5,8,17,.48) 0%,rgba(5,8,17,.24) 34%,rgba(5,8,17,.36) 100%)}
  .about-grid{grid-template-columns:1fr}
  .values-grid{grid-template-columns:repeat(2,1fr)}
  .wallet-app-features{grid-template-columns:1fr}
  .wallet-app-item + .wallet-app-item{border-left:none}
  .asset-band-head{grid-template-columns:1fr;gap:18px}
  .products-head{grid-template-columns:1fr;gap:18px}
  .products-summary{justify-content:flex-start}
  .products-carousel-track{height:39rem}
  .product-card{width:min(28vw,20rem);min-width:16rem}
  .product-card.is-left{transform:translate3d(calc(-50% - 14rem),-48%,-170px) rotateY(26deg) scale(.8)}
  .product-card.is-right{transform:translate3d(calc(-50% + 14rem),-48%,-170px) rotateY(-26deg) scale(.8)}
  .product-card.is-far-left{transform:translate3d(calc(-50% - 22rem),-48%,-320px) rotateY(38deg) scale(.62)}
  .product-card.is-far-right{transform:translate3d(calc(-50% + 22rem),-48%,-320px) rotateY(-38deg) scale(.62)}
  .trust-items{grid-template-columns:repeat(2,1fr)}
  .store-showcase{grid-template-columns:1fr}
  .store-visual{min-height:28rem}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media(max-width:768px){
  .site-nav{background:#ffffff;border-bottom:1px solid rgba(32,28,77,.08);backdrop-filter:none;-webkit-backdrop-filter:none}
  .site-nav.menu-open{background:#231b58;border-bottom-color:#231b58}
  .nav-links{display:none;position:fixed;top:64px;left:0;right:0;bottom:0;background:#f7f8ff;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;font-size:20px;z-index:99;padding:0;border-top:1px solid rgba(255,255,255,.08);overflow-y:auto}
  .nav-links.open{display:flex}
  .nav-links li{list-style:none}
  .nav-links a{display:flex;align-items:center;justify-content:center;min-height:92px;background:#ffffff;color:#262256;font-size:17px;font-weight:700;border-bottom:1px solid #ececf6}
  .nav-cta-desktop{display:none}
  .menu-toggle{display:flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:999px;color:#4c4387;font-size:34px;line-height:1;padding:0}
  .site-nav.menu-open .menu-toggle{color:#ffffff;background:rgba(255,255,255,.14)}
  .nav-inner{height:80px;padding:0 10px}
  .nav-logo{font-size:11px;max-width:20.5rem;line-height:1.04;gap:1rem;margin-left:0;align-items:center;flex:1 1 auto}
  .site-nav.menu-open .nav-logo{color:#ffffff}
  .nav-logo-wordmark{height:3.2rem;padding:0;border-radius:0;background:transparent;box-shadow:none}
  .nav-logo-text{min-width:0;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:4px;transform:none;padding-top:0}
  .nav-logo .line1{font-size:14px;white-space:normal;line-height:1.08;font-weight:800}
  .nav-logo .line2{display:block;font-size:14px;white-space:normal;line-height:1.08;margin-left:0;font-weight:800}
  .menu-toggle{margin-left:10px;flex:0 0 auto}
  .hero{min-height:auto;background:linear-gradient(135deg,#ece8ff 0%,#f5f3ff 42%,#ffffff 100%)}
  .hero::before{background:radial-gradient(circle at 50% 18%,rgba(124,96,255,.14) 0%,rgba(124,96,255,0) 34%),linear-gradient(180deg,rgba(255,255,255,.58) 0%,rgba(255,255,255,.8) 100%)}
  .hero::after{display:none}
  .hero-grid{min-height:auto;width:auto;max-width:none;margin-left:0;padding:0 18px}
  .hero-content{padding:6.25rem 0 2.9rem;max-width:none;width:100%}
  .hero-copy{max-width:none;margin:0 auto;text-align:center;padding:1.4rem 1.2rem 0;border-radius:28px}
  .hero-kicker{font-size:11px;padding:.52rem 1rem;margin-bottom:1rem;border-radius:999px;color:#6a34b8;border-color:rgba(106,52,184,.16);background:rgba(255,255,255,.92);box-shadow:0 10px 24px rgba(60,52,125,.08)}
  .hero-brand-title{font-size:clamp(23px,7.8vw,32px);margin-bottom:.8rem;color:#3f34aa;white-space:normal;opacity:1}
  .hero-tag{font-size:12px;padding:.58rem 1rem;margin-bottom:1.25rem;background:#ffffff;color:#111111;border-color:rgba(17,17,17,.06);box-shadow:0 10px 24px rgba(60,52,125,.06)}
  .hero h1{font-size:clamp(34px,11vw,50px);line-height:1.08;margin-bottom:1rem;color:#111111;text-shadow:none;letter-spacing:-.02em}
  .hero h1 span{color:#111111}
  .hero-desc{font-size:15px;line-height:1.86;max-width:20.6rem;margin:0 auto 1.55rem;color:rgba(17,17,17,.76);text-shadow:none}
  .hero-actions{width:100%;max-width:21.5rem;margin:0 auto;gap:.85rem;justify-content:center;flex-direction:column}
  .btn-primary{width:100%;text-align:center;justify-content:center;padding:15px 24px;font-size:15px;background:#111111;color:#ffffff;border-color:#111111;box-shadow:0 18px 34px rgba(0,0,0,.12)}
  .btn-outline{display:flex;width:100%;text-align:center;justify-content:center;padding:14px 24px;font-size:15px;background:#ffffff;color:#111111;border-color:#e8e8e8;box-shadow:0 12px 24px rgba(0,0,0,.05)}
  .hero-visual{display:none}
  .section-label{margin-bottom:12px}
  .section-title{font-size:clamp(28px,8vw,36px);line-height:1.16}
  .section-desc{font-size:15px;line-height:1.78}
  .about-grid{gap:24px;margin-top:28px}
  .about-img{border-radius:18px}
  .about-text p{font-size:15px;line-height:1.82;margin-bottom:14px}
  .highlight-box{padding:18px 18px 16px;border-radius:16px;margin-top:18px}
  .highlight-box p{font-size:14px;line-height:1.8}
  .wallet-app-media{min-height:13rem;border-radius:18px}
  .wallet-app-item{padding:1.35rem 0 1.2rem}
  .wallet-app-item h3{font-size:1.5rem}
  .wallet-app-item p{font-size:.96rem}
  .asset-band-track{gap:1.15rem}
  .asset-chip{width:3.65rem;height:3.65rem;font-size:1rem}
  .store-showcase{gap:18px}
  .store-visual{min-height:16.8rem;border-radius:18px}
  .store-badge{left:14px;top:14px;padding:.55rem .85rem;font-size:12px}
  .store-panel{padding:20px 18px;border-radius:18px}
  .store-panel .section-title{font-size:30px;line-height:1.18}
  .store-pills{gap:8px;margin:18px 0;justify-content:center}
  .store-pills span{font-size:12px;padding:.58rem .78rem;white-space:nowrap}
  .store-info-grid{grid-template-columns:1fr}
  .store-info-card{padding:16px 16px 14px;border-radius:16px}
  .store-info-card strong{font-size:12px}
  .store-info-card span{font-size:15px;line-height:1.7}
  .values-grid,.audience-grid{grid-template-columns:1fr}
  .value-card,.audience-card,.step-card,.safety-item,.concept-card{border-radius:18px}
  .value-card{padding:26px 20px}
  .value-icon{width:46px;height:46px;font-size:21px;margin-bottom:16px}
  .value-card h3{font-size:18px}
  .value-card p{font-size:14px;line-height:1.76}
  .guide-steps,.safety-grid,.concepts-grid{grid-template-columns:1fr}
  .guide-steps,.safety-grid,.concepts-grid,.values-grid,.audience-grid,.trust-items{gap:16px;margin-top:28px}
  .step-card{padding:24px 18px}
  .step-card::before{font-size:50px;top:14px;right:16px}
  .step-card h3{font-size:17px}
  .step-card p{font-size:14px;line-height:1.78}
  .safety-item{padding:20px 18px}
  .safety-item p,.concept-card p,.audience-card p{font-size:14px;line-height:1.76}
  .audience-card{padding:24px 18px}
  .audience-card h3{font-size:17px}
  .products-head{margin-bottom:1.6rem}
  .products-summary-card{max-width:none;padding:1rem 1rem 1.05rem;border-radius:16px}
  .products-carousel::before,.products-carousel::after{display:none}
  .products-carousel{overflow:hidden;padding:18px 10px 0}
  .products-carousel-track{height:27.8rem}
  .product-card{width:min(58vw,14.6rem);min-width:unset;max-width:14.6rem;border-radius:18px}
  .product-card.is-active{transform:translate3d(-50%,-50%,0) rotateY(0deg) scale(1)}
  .product-card.is-left{transform:translate3d(calc(-50% - 4.7rem),-50%,-60px) rotateY(11deg) scale(.76)}
  .product-card.is-right{transform:translate3d(calc(-50% + 4.7rem),-50%,-60px) rotateY(-11deg) scale(.76)}
  .product-card.is-left,.product-card.is-right{opacity:.86}
  .product-card.is-far-left,.product-card.is-far-right{opacity:.04;pointer-events:none}
  .product-card-img{padding:7px}
  .product-card-media{border-radius:14px}
  .product-card-body{padding:12px 12px 14px}
  .product-card-body .tag{font-size:11px;padding:4px 10px;margin-bottom:10px}
  .product-card-body h3{font-size:15px;margin-bottom:6px}
  .product-card-body p{font-size:12px;line-height:1.55;margin-bottom:10px}
  .product-card-actions{display:block;margin-top:auto;text-align:center}
  .product-card-nav{display:none !important}
  .product-card-cta{min-height:38px;padding:0 14px;font-size:12px;margin:0 auto;align-self:center;display:inline-flex}
  .products-carousel-controls{display:flex;justify-content:center;gap:10px;margin-top:6px}
  .products-carousel-btn{width:40px;height:40px;font-size:17px;box-shadow:0 9px 18px rgba(0,0,0,.08)}
  .products-carousel-btn-inline{display:none !important}
  .product-tabs{justify-content:center}
  .compare-table-wrap{margin-top:26px;border-radius:18px;background:#fff;box-shadow:inset 0 0 0 1px #efefef}
  .compare-table{min-width:620px}
  .compare-table th,.compare-table td{padding:14px 12px;font-size:13px}
  .trust-items{grid-template-columns:1fr 1fr}
  .trust-item{padding:22px 14px;border-radius:18px}
  .trust-num{font-size:34px}
  .trust-label{font-size:13px}
  .faq-list{margin-top:28px}
  .faq-q{padding:18px 0;line-height:1.5}
  .faq-a-inner{padding:0 0 18px;font-size:14px;line-height:1.8}
  .faq-more{margin-top:18px}
  .footer-grid{grid-template-columns:1fr;gap:22px}
  .site-footer{padding:42px 0 24px}
  .footer-brand{margin-bottom:10px}
  .footer-about{font-size:13px;line-height:1.82}
  .footer-heading{margin-bottom:12px}
  .footer-links li{margin-bottom:10px}
  .footer-bottom{flex-direction:column;text-align:center}
  .footer-bottom{margin-top:26px;padding-top:18px;font-size:12px}
  section{padding:clamp(42px,7vw,72px) 0}
  .faq .section-title{font-size:clamp(30px,8vw,40px)}
  .faq .section-desc{font-size:16px;line-height:1.8}
  .faq-q{font-size:17px}
}
@media(max-width:420px){
  html{font-size:15px}
  .wrap{padding:0 16px}
  .nav-inner{height:76px;padding:0 8px}
  .nav-logo{max-width:18rem;gap:.82rem}
  .nav-logo-wordmark{height:2.75rem;padding:0;border-radius:0}
  .nav-logo .line1{font-size:12px}
  .nav-logo .line2{font-size:12px}
  .hero-grid{padding:0 14px}
  .hero-content{padding-top:5.85rem;padding-bottom:2.6rem}
  .hero-copy{padding:1.1rem .9rem 0}
  .hero-brand-title{font-size:26px}
  .hero h1{font-size:30px}
  .hero-desc{max-width:18.7rem;font-size:14px}
  .hero-actions{max-width:100%}
  .store-panel .section-title{font-size:28px}
  .store-pills{gap:7px}
  .store-pills span{font-size:11px;padding:.54rem .72rem}
  .products-carousel{padding:12px 6px 0}
  .products-carousel-track{height:26.8rem}
  .product-card{width:min(62vw,13.4rem)}
  .product-card.is-left{transform:translate3d(calc(-50% - 4rem),-50%,-54px) rotateY(10deg) scale(.74)}
  .product-card.is-right{transform:translate3d(calc(-50% + 4rem),-50%,-54px) rotateY(-10deg) scale(.74)}
  .product-card-body{padding:10px 10px 12px}
  .product-card-body .tag{font-size:10px;padding:4px 9px;margin-bottom:8px}
  .product-card-body h3{font-size:14px}
  .product-card-body p{font-size:11px;line-height:1.5;margin-bottom:10px}
  .product-card-cta{min-height:36px;padding:0 13px;font-size:11px}
  .products-carousel-btn{width:38px;height:38px;font-size:16px}
  .trust-items{grid-template-columns:1fr}
 }

/* ===== 动画 ===== */
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.anim{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.anim.in-view{opacity:1;transform:translateY(0)}

/* ===== 链接文本自动换行 ===== */
a,p,td,th,li{word-break:break-word;overflow-wrap:break-word}

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Playfair+Display:wght@700&display=swap');

/* ===== Ledger 科普视频 ===== */
.ledger-education{background:linear-gradient(180deg,#fafafa 0%,#ffffff 100%);overflow:hidden}
.ledger-education .anim{opacity:1;transform:none}
.education-head{text-align:center;max-width:100%;margin:0 auto 34px}
.education-head #ledger-education-title{max-width:none;white-space:nowrap;font-size:clamp(26px,3.2vw,34px);line-height:1.14}
.education-head .section-title{margin-left:auto;margin-right:auto;text-align:center}
.education-layout{display:flex;gap:24px;align-items:stretch;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;scroll-behavior:smooth;padding:4px 4px 26px;margin-left:-4px;margin-right:-4px;-webkit-overflow-scrolling:touch;cursor:grab}
.education-layout:active{cursor:grabbing}
.education-layout::-webkit-scrollbar{height:8px}
.education-layout::-webkit-scrollbar-track{background:#eeeeee;border-radius:999px}
.education-layout::-webkit-scrollbar-thumb{background:#111;border-radius:999px}
.education-video-card{flex:0 0 min(31.5%, 23rem);min-width:19rem;background:#111;border:1px solid #e9e9e9;border-radius:24px;overflow:hidden;box-shadow:0 18px 45px rgba(0,0,0,.06);transition:transform .25s,border-color .25s,box-shadow .25s;scroll-snap-align:start}
.education-video-card:hover{transform:translateY(-4px);border-color:#d6d6d6;box-shadow:0 24px 55px rgba(0,0,0,.09)}
.education-video-frame{position:relative;background:#111;aspect-ratio:9/16;overflow:hidden}
.education-video-frame video{width:100%;height:100%;display:block;object-fit:cover;background:#111}
@media(max-width:1024px){
  .education-video-card{flex-basis:min(46%, 22rem)}
}
@media(max-width:768px){
  .education-head{margin-bottom:24px}
  .education-layout{gap:16px;padding-bottom:22px;scroll-padding-left:0}
  .education-video-card{flex-basis:82%;min-width:16.8rem;border-radius:18px}
}


@media(max-width:768px){
  .education-head #ledger-education-title{white-space:normal;font-size:clamp(28px,8vw,40px);line-height:1.16}
}