okx-dl-vars {
}

:root {
    --okx-dl-night: #070b16;
    --okx-dl-deep: #0c1426;
    --okx-dl-card: #101a30;
    --okx-dl-edge: #1c2a48;
    --okx-dl-blue: #1e6fff;
    --okx-dl-sky: #38bdf8;
    --okx-dl-teal: #14e0c0;
    --okx-dl-gold: #fbbf24;
    --okx-dl-rose: #fb7185;
    --okx-dl-snow: #f0f6ff;
    --okx-dl-gray: #94a8cc;
    --okx-dl-dim: #5e7299;
    --okx-dl-font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Segoe UI", system-ui, sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 18px;
}

body {
    font-family: var(--okx-dl-font);
    background: var(--okx-dl-night);
    color: var(--okx-dl-snow);
    line-height: 1.85;
    font-size: 18px;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--okx-dl-sky);
    text-decoration: none;
    transition: color .25s ease;
}

a:hover {
    color: var(--okx-dl-teal);
}

ul {
    list-style: none;
}

okx-dl-topbar {
}

.okx-dl-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(7, 11, 22, .88);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--okx-dl-edge);
}

.okx-dl-bar-in {
    max-width: 1180px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 28px;
}

.okx-dl-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 22px;
    font-weight: 800;
    color: var(--okx-dl-snow);
}

.okx-dl-logo i {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--okx-dl-blue), var(--okx-dl-sky));
    display: grid;
    place-items: center;
    font-size: 22px;
    font-weight: 900;
    color: #fff;
    font-style: normal;
    box-shadow: 0 8px 22px rgba(30, 111, 255, .45);
}

.okx-dl-logo b {
    color: var(--okx-dl-sky);
}

.okx-dl-bar-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.okx-dl-bar-nav a {
    color: var(--okx-dl-gray);
    font-size: 18px;
    padding: 9px 18px;
    border-radius: 10px;
    font-weight: 500;
    transition: all .25s ease;
}

.okx-dl-bar-nav a:hover {
    color: var(--okx-dl-snow);
    background: var(--okx-dl-card);
}

.okx-dl-bar-btns {
    display: flex;
    gap: 12px;
}

.okx-dl-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 700;
    padding: 12px 28px;
    border-radius: 12px;
    cursor: pointer;
    border: none;
    transition: transform .2s ease, box-shadow .25s ease;
    font-family: inherit;
}

.okx-dl-btn:active {
    transform: translateY(1px);
}

.okx-dl-btn-reg {
    background: linear-gradient(135deg, var(--okx-dl-blue), #4f8fff);
    color: #fff;
    box-shadow: 0 14px 40px rgba(30, 111, 255, .35);
}

.okx-dl-btn-reg:hover {
    color: #fff;
    transform: translateY(-2px);
}

.okx-dl-btn-and {
    background: linear-gradient(135deg, var(--okx-dl-teal), #0fb89a);
    color: #03241f;
    box-shadow: 0 14px 40px rgba(20, 224, 192, .3);
}

.okx-dl-btn-and:hover {
    color: #03241f;
    transform: translateY(-2px);
}

.okx-dl-btn-gold {
    background: linear-gradient(135deg, var(--okx-dl-gold), #f97316);
    color: #1c1407;
    box-shadow: 0 14px 40px rgba(251, 191, 36, .32);
}

.okx-dl-btn-gold:hover {
    color: #1c1407;
    transform: translateY(-2px);
}

.okx-dl-btn-line {
    background: transparent;
    color: var(--okx-dl-snow);
    border: 1px solid var(--okx-dl-edge);
}

.okx-dl-btn-line:hover {
    border-color: var(--okx-dl-sky);
    color: var(--okx-dl-teal);
}

okx-dl-hero-zone {
}

.okx-dl-hero {
    min-height: 100vh;
    padding: 150px 28px 80px;
    display: flex;
    align-items: center;
    background:
        radial-gradient(ellipse at 20% 30%, rgba(30, 111, 255, .2), transparent 50%),
        radial-gradient(ellipse at 85% 70%, rgba(20, 224, 192, .14), transparent 55%),
        linear-gradient(180deg, var(--okx-dl-night), var(--okx-dl-deep));
}

.okx-dl-hero-in {
    max-width: 1180px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 60px;
    align-items: center;
}

.okx-dl-hero-flag {
    font-size: 18px;
    font-weight: 700;
    color: var(--okx-dl-teal);
    margin-bottom: 22px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 18px;
    border: 1px solid rgba(20, 224, 192, .3);
    border-radius: 30px;
    background: rgba(20, 224, 192, .06);
}

.okx-dl-hero h1 {
    font-size: 56px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 26px;
    letter-spacing: -1px;
}

.okx-dl-hero h1 span {
    display: block;
    background: linear-gradient(100deg, var(--okx-dl-sky), var(--okx-dl-teal));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.okx-dl-hero p {
    font-size: 21px;
    color: var(--okx-dl-gray);
    margin-bottom: 36px;
    max-width: 580px;
}

.okx-dl-hero-acts {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 44px;
}

.okx-dl-hero-acts .okx-dl-btn {
    padding: 15px 34px;
    font-size: 19px;
}

.okx-dl-hero-trust {
    display: flex;
    gap: 36px;
    flex-wrap: wrap;
}

.okx-dl-trust-num {
    font-size: 34px;
    font-weight: 900;
    color: var(--okx-dl-snow);
}

.okx-dl-trust-num b {
    color: var(--okx-dl-sky);
}

.okx-dl-trust-lab {
    font-size: 18px;
    color: var(--okx-dl-dim);
    margin-top: 6px;
}

.okx-dl-hero-qr {
    background: var(--okx-dl-card);
    border: 1px solid var(--okx-dl-edge);
    border-radius: 24px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 30px 70px rgba(0, 8, 30, .6);
}

.okx-dl-qr-box {
    width: 220px;
    height: 220px;
    margin: 0 auto 26px;
    border-radius: 18px;
    background:
        repeating-conic-gradient(var(--okx-dl-snow) 0% 25%, var(--okx-dl-night) 0% 50%) 50% / 22px 22px;
    border: 6px solid var(--okx-dl-snow);
    position: relative;
}

.okx-dl-qr-box::after {
    content: "O";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 56px;
    height: 56px;
    background: var(--okx-dl-blue);
    color: #fff;
    border-radius: 14px;
    display: grid;
    place-items: center;
    font-size: 30px;
    font-weight: 900;
    border: 4px solid var(--okx-dl-snow);
}

.okx-dl-hero-qr h3 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 10px;
}

.okx-dl-hero-qr p {
    font-size: 18px;
    color: var(--okx-dl-gray);
    margin: 0;
}

okx-dl-platform-zone {
}

.okx-dl-platforms {
    padding: 100px 28px;
    background: var(--okx-dl-deep);
}

.okx-dl-platforms-in {
    max-width: 1180px;
    margin: 0 auto;
}

.okx-dl-sec-head {
    text-align: center;
    margin-bottom: 60px;
}

.okx-dl-kicker {
    display: inline-block;
    font-size: 18px;
    font-weight: 700;
    color: var(--okx-dl-sky);
    letter-spacing: 3px;
    text-transform: uppercase;
    padding: 6px 18px;
    border: 1px solid rgba(56, 189, 248, .3);
    border-radius: 30px;
    background: rgba(56, 189, 248, .06);
    margin-bottom: 22px;
}

.okx-dl-sec-title {
    font-size: 42px;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 18px;
}

.okx-dl-sec-title em {
    font-style: normal;
    background: linear-gradient(100deg, var(--okx-dl-sky), var(--okx-dl-teal));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.okx-dl-sec-sub {
    font-size: 20px;
    color: var(--okx-dl-gray);
    max-width: 740px;
    margin: 0 auto;
}

.okx-dl-plat-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.okx-dl-plat {
    display: flex;
    gap: 28px;
    align-items: center;
    padding: 38px;
    background: var(--okx-dl-card);
    border: 1px solid var(--okx-dl-edge);
    border-radius: 20px;
    transition: transform .3s ease, border-color .3s ease;
    position: relative;
    overflow: hidden;
}

.okx-dl-plat::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent, rgba(56, 189, 248, .05), transparent);
    transform: translateX(-100%);
    transition: transform .5s ease;
}

.okx-dl-plat:hover {
    transform: translateY(-6px);
    border-color: var(--okx-dl-sky);
}

.okx-dl-plat:hover::after {
    transform: translateX(100%);
}

.okx-dl-plat-ico {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    border-radius: 22px;
    display: grid;
    place-items: center;
    font-size: 38px;
    color: #fff;
}

.okx-dl-plat-ico.win {
    background: linear-gradient(135deg, var(--okx-dl-blue), #4f8fff);
}

.okx-dl-plat-ico.mac {
    background: linear-gradient(135deg, var(--okx-dl-gray), #64748b);
}

.okx-dl-plat-ico.and {
    background: linear-gradient(135deg, var(--okx-dl-teal), #0fb89a);
}

.okx-dl-plat-ico.ios {
    background: linear-gradient(135deg, var(--okx-dl-sky), #0ea5e9);
}

.okx-dl-plat-info h3 {
    font-size: 25px;
    font-weight: 800;
    margin-bottom: 8px;
}

.okx-dl-plat-info p {
    font-size: 18px;
    color: var(--okx-dl-gray);
    margin-bottom: 14px;
}

okx-dl-steps-zone {
}

.okx-dl-steps {
    padding: 100px 28px;
    background: linear-gradient(180deg, var(--okx-dl-deep), var(--okx-dl-night));
}

.okx-dl-steps-in {
    max-width: 1180px;
    margin: 0 auto;
}

.okx-dl-step-track {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 56px;
    position: relative;
}

.okx-dl-step {
    text-align: center;
    padding: 40px 28px;
    background: var(--okx-dl-card);
    border: 1px solid var(--okx-dl-edge);
    border-radius: 20px;
    transition: transform .3s ease;
}

.okx-dl-step:hover {
    transform: translateY(-6px);
}

.okx-dl-step-ico {
    width: 72px;
    height: 72px;
    margin: 0 auto 24px;
    border-radius: 50%;
    border: 2px dashed var(--okx-dl-sky);
    display: grid;
    place-items: center;
    font-size: 30px;
    color: var(--okx-dl-sky);
}

.okx-dl-step h3 {
    font-size: 23px;
    font-weight: 700;
    margin-bottom: 12px;
}

.okx-dl-step p {
    font-size: 18px;
    color: var(--okx-dl-gray);
}

okx-dl-why-zone {
}

.okx-dl-why {
    padding: 100px 28px;
    background: var(--okx-dl-night);
}

.okx-dl-why-in {
    max-width: 1180px;
    margin: 0 auto;
}

.okx-dl-why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 56px;
}

.okx-dl-why-card {
    padding: 40px 32px;
    background: var(--okx-dl-card);
    border: 1px solid var(--okx-dl-edge);
    border-radius: 20px;
    border-top: 4px solid var(--okx-dl-blue);
    transition: transform .3s ease;
}

.okx-dl-why-card:nth-child(2) {
    border-top-color: var(--okx-dl-teal);
}

.okx-dl-why-card:nth-child(3) {
    border-top-color: var(--okx-dl-gold);
}

.okx-dl-why-card:nth-child(4) {
    border-top-color: var(--okx-dl-rose);
}

.okx-dl-why-card:nth-child(5) {
    border-top-color: var(--okx-dl-sky);
}

.okx-dl-why-card:nth-child(6) {
    border-top-color: var(--okx-dl-blue);
}

.okx-dl-why-card:hover {
    transform: translateY(-6px);
}

.okx-dl-why-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 14px;
}

.okx-dl-why-card p {
    font-size: 18px;
    color: var(--okx-dl-gray);
}

okx-dl-ver-zone {
}

.okx-dl-ver {
    padding: 100px 28px;
    background: var(--okx-dl-deep);
}

.okx-dl-ver-in {
    max-width: 1000px;
    margin: 0 auto;
}

.okx-dl-ver-table {
    background: var(--okx-dl-card);
    border: 1px solid var(--okx-dl-edge);
    border-radius: 20px;
    overflow: hidden;
    margin-top: 50px;
}

.okx-dl-ver-row {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr 1fr;
    gap: 20px;
    padding: 26px 34px;
    border-bottom: 1px solid var(--okx-dl-edge);
    align-items: center;
    transition: background .25s ease;
}

.okx-dl-ver-row:last-child {
    border-bottom: none;
}

.okx-dl-ver-row:hover {
    background: rgba(30, 111, 255, .06);
}

.okx-dl-ver-row.is-head {
    background: rgba(56, 189, 248, .08);
    font-weight: 700;
    color: var(--okx-dl-sky);
    font-size: 19px;
}

.okx-dl-ver-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--okx-dl-snow);
}

.okx-dl-ver-cell {
    font-size: 18px;
    color: var(--okx-dl-gray);
}

okx-dl-faq-zone {
}

.okx-dl-faq {
    padding: 100px 28px;
    background: linear-gradient(180deg, var(--okx-dl-deep), var(--okx-dl-night));
}

.okx-dl-faq-in {
    max-width: 880px;
    margin: 0 auto;
}

.okx-dl-faq-list {
    margin-top: 50px;
    display: grid;
    gap: 18px;
}

.okx-dl-faq-item {
    background: var(--okx-dl-card);
    border: 1px solid var(--okx-dl-edge);
    border-left: 4px solid var(--okx-dl-sky);
    border-radius: 14px;
    padding: 28px 32px;
    transition: border-left-color .3s ease;
}

.okx-dl-faq-item:hover {
    border-left-color: var(--okx-dl-teal);
}

.okx-dl-faq-q {
    font-size: 21px;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--okx-dl-snow);
}

.okx-dl-faq-a {
    font-size: 18px;
    color: var(--okx-dl-gray);
}

okx-dl-cta-zone {
}

.okx-dl-cta {
    padding: 100px 28px;
    text-align: center;
    background:
        radial-gradient(circle at 50% 0%, rgba(30, 111, 255, .22), transparent 55%),
        var(--okx-dl-night);
}

.okx-dl-cta-in {
    max-width: 760px;
    margin: 0 auto;
}

.okx-dl-cta h2 {
    font-size: 46px;
    font-weight: 900;
    margin-bottom: 22px;
}

.okx-dl-cta p {
    font-size: 21px;
    color: var(--okx-dl-gray);
    margin-bottom: 40px;
}

.okx-dl-cta-acts {
    display: flex;
    gap: 18px;
    justify-content: center;
    flex-wrap: wrap;
}

.okx-dl-cta-acts .okx-dl-btn {
    padding: 16px 40px;
    font-size: 20px;
}

okx-dl-footer-zone {
}

.okx-dl-footer {
    background: var(--okx-dl-deep);
    border-top: 1px solid var(--okx-dl-edge);
    padding: 64px 28px 36px;
}

.okx-dl-footer-in {
    max-width: 1180px;
    margin: 0 auto;
}

.okx-dl-footer-top {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 44px;
}

.okx-dl-footer-brand p {
    font-size: 18px;
    color: var(--okx-dl-gray);
    margin-top: 20px;
    max-width: 360px;
}

.okx-dl-footer-col h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 18px;
    color: var(--okx-dl-snow);
}

.okx-dl-footer-col a {
    display: block;
    font-size: 18px;
    color: var(--okx-dl-gray);
    padding: 7px 0;
}

.okx-dl-footer-col a:hover {
    color: var(--okx-dl-teal);
}

.okx-dl-footer-bot {
    padding-top: 28px;
    border-top: 1px solid var(--okx-dl-edge);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 14px;
}

.okx-dl-footer-bot p {
    font-size: 18px;
    color: var(--okx-dl-dim);
}

.okx-dl-footer-bot a {
    font-size: 18px;
    color: var(--okx-dl-dim);
}

.okx-dl-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 54px;
    height: 54px;
    border-radius: 14px;
    background: var(--okx-dl-blue);
    color: #fff;
    display: grid;
    place-items: center;
    font-size: 24px;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s ease, transform .3s ease;
    border: none;
    font-family: inherit;
    box-shadow: 0 14px 40px rgba(30, 111, 255, .4);
}

.okx-dl-top.is-show {
    opacity: 1;
    pointer-events: auto;
}

.okx-dl-top:hover {
    transform: translateY(-4px);
}

.okx-dl-burger {
    display: none;
    background: transparent;
    border: 1px solid var(--okx-dl-edge);
    border-radius: 10px;
    width: 44px;
    height: 44px;
    color: var(--okx-dl-snow);
    font-size: 22px;
    cursor: pointer;
    font-family: inherit;
}

@media (max-width: 1024px) {
    .okx-dl-hero-in {
        grid-template-columns: 1fr;
        gap: 44px;
    }
    .okx-dl-plat-grid {
        grid-template-columns: 1fr;
    }
    .okx-dl-why-grid {
        grid-template-columns: 1fr 1fr;
    }
    .okx-dl-step-track {
        grid-template-columns: 1fr 1fr;
    }
    .okx-dl-footer-top {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 720px) {
    html { font-size: 16px; }
    .okx-dl-bar-nav { display: none; }
    .okx-dl-burger { display: grid; place-items: center; }
    .okx-dl-bar-nav.is-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--okx-dl-deep);
        padding: 20px;
        gap: 4px;
        border-bottom: 1px solid var(--okx-dl-edge);
    }
    .okx-dl-hero h1 { font-size: 38px; }
    .okx-dl-sec-title, .okx-dl-cta h2 { font-size: 30px; }
    .okx-dl-why-grid, .okx-dl-step-track { grid-template-columns: 1fr; }
    .okx-dl-ver-row { grid-template-columns: 1fr; gap: 6px; }
    .okx-dl-footer-top { grid-template-columns: 1fr; }
    .okx-dl-bar-btns .okx-dl-btn-line { display: none; }
    .okx-dl-plat { flex-direction: column; text-align: center; }
}