@charset "utf-8";

okx-root-vars {
}

:root {
    --okx-void: #050811;
    --okx-abyss: #0a1020;
    --okx-panel: #0f1830;
    --okx-panel-2: #14213d;
    --okx-slate: #131e38;
    --okx-line: #1d2c4d;
    --okx-azure: #2c7bff;
    --okx-azure-glow: #4a9bff;
    --okx-cyan: #00d8f0;
    --okx-mint: #2fe6a8;
    --okx-amber: #ffb838;
    --okx-violet: #7a5cff;
    --okx-ink: #eaf1ff;
    --okx-ash: #9fb2d4;
    --okx-ash-deep: #6b7fa3;
    --okx-radius: 18px;
    --okx-shadow: 0 24px 60px rgba(0, 12, 40, .55);
    --okx-shadow-blue: 0 18px 50px rgba(44, 123, 255, .28);
    --okx-maxw: 1240px;
    --okx-font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Segoe UI", system-ui, sans-serif;
}

okx-reset-token {
}

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

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

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

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

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

img {
    max-width: 100%;
    display: block;
}

ul {
    list-style: none;
}

okx-nav-shell {
}

.okx-navi {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(8, 13, 28, .82);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--okx-line);
    transition: background .3s ease, box-shadow .3s ease;
}

.okx-navi.is-float {
    background: rgba(6, 10, 22, .96);
    box-shadow: 0 10px 30px rgba(0, 0, 0, .4);
}

.okx-navi-inner {
    max-width: var(--okx-maxw);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 28px;
}

.okx-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 22px;
    font-weight: 800;
    color: var(--okx-ink);
    letter-spacing: .5px;
}

.okx-brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 11px;
    background: linear-gradient(135deg, var(--okx-azure), var(--okx-cyan));
    display: grid;
    place-items: center;
    font-size: 20px;
    font-weight: 900;
    color: #fff;
    box-shadow: 0 6px 18px rgba(44, 123, 255, .5);
}

.okx-brand b {
    color: var(--okx-cyan);
}

.okx-menu {
    display: flex;
    align-items: center;
    gap: 6px;
}

.okx-menu a {
    color: var(--okx-ash);
    font-size: 18px;
    padding: 9px 16px;
    border-radius: 10px;
    font-weight: 500;
    transition: all .25s ease;
}

.okx-menu a:hover {
    color: var(--okx-ink);
    background: var(--okx-slate);
}

.okx-navi-cta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.okx-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 700;
    padding: 12px 26px;
    border-radius: 12px;
    cursor: pointer;
    border: none;
    transition: transform .2s ease, box-shadow .25s ease, background .25s ease;
    font-family: inherit;
}

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

.okx-btn-ghost {
    background: transparent;
    color: var(--okx-ink);
    border: 1px solid var(--okx-line);
}

.okx-btn-ghost:hover {
    border-color: var(--okx-azure);
    color: var(--okx-cyan);
}

.okx-btn-register {
    background: linear-gradient(135deg, var(--okx-azure), var(--okx-azure-glow));
    color: #fff;
    box-shadow: var(--okx-shadow-blue);
}

.okx-btn-register:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 22px 60px rgba(44, 123, 255, .45);
}

.okx-btn-download {
    background: linear-gradient(135deg, var(--okx-amber), #ff8a3d);
    color: #1a1206;
    box-shadow: 0 14px 40px rgba(255, 184, 56, .35);
}

.okx-btn-download:hover {
    color: #1a1206;
    transform: translateY(-2px);
    box-shadow: 0 22px 55px rgba(255, 184, 56, .5);
}

.okx-btn-android {
    background: linear-gradient(135deg, var(--okx-mint), #15c98a);
    color: #04231a;
    box-shadow: 0 14px 40px rgba(47, 230, 168, .3);
}

.okx-btn-android:hover {
    color: #04231a;
    transform: translateY(-2px);
}

.okx-section {
    padding: 110px 28px;
    position: relative;
}

.okx-wrap {
    max-width: var(--okx-maxw);
    margin: 0 auto;
}

.okx-eyebrow {
    display: inline-block;
    font-size: 18px;
    font-weight: 700;
    color: var(--okx-cyan);
    letter-spacing: 3px;
    text-transform: uppercase;
    padding: 6px 16px;
    border: 1px solid rgba(0, 216, 240, .3);
    border-radius: 30px;
    background: rgba(0, 216, 240, .06);
    margin-bottom: 22px;
}

.okx-title {
    font-size: 42px;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 20px;
    color: var(--okx-ink);
}

.okx-title em {
    font-style: normal;
    background: linear-gradient(120deg, var(--okx-cyan), var(--okx-azure-glow));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.okx-lead {
    font-size: 20px;
    color: var(--okx-ash);
    max-width: 760px;
}

okx-hero-block {
}

.okx-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 28px 90px;
    background:
        radial-gradient(circle at 78% 22%, rgba(44, 123, 255, .22), transparent 45%),
        radial-gradient(circle at 12% 80%, rgba(0, 216, 240, .16), transparent 50%),
        linear-gradient(180deg, var(--okx-void), var(--okx-abyss));
    overflow: hidden;
}

.okx-hero-grid {
    max-width: var(--okx-maxw);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: 60px;
    align-items: center;
    width: 100%;
}

.okx-hero-tag {
    font-size: 18px;
    color: var(--okx-cyan);
    font-weight: 700;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.okx-hero-tag::before {
    content: "";
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--okx-mint);
    box-shadow: 0 0 14px var(--okx-mint);
    animation: okx-pulse 1.8s infinite;
}

@keyframes okx-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: .5; transform: scale(1.4); }
}

.okx-hero h1 {
    font-size: 60px;
    font-weight: 900;
    line-height: 1.18;
    margin-bottom: 28px;
    letter-spacing: -1px;
}

.okx-hero h1 span {
    display: block;
    background: linear-gradient(120deg, var(--okx-cyan) 10%, var(--okx-azure-glow) 60%, var(--okx-violet));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.okx-hero-desc {
    font-size: 21px;
    color: var(--okx-ash);
    margin-bottom: 38px;
    max-width: 600px;
}

.okx-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 48px;
}

.okx-hero-stats {
    display: flex;
    gap: 44px;
    flex-wrap: wrap;
}

.okx-stat-num {
    font-size: 38px;
    font-weight: 900;
    color: var(--okx-ink);
    line-height: 1;
}

.okx-stat-num b {
    color: var(--okx-cyan);
}

.okx-stat-label {
    font-size: 18px;
    color: var(--okx-ash-deep);
    margin-top: 8px;
}

.okx-hero-visual {
    position: relative;
    height: 460px;
}

.okx-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(2px);
}

.okx-orb-1 {
    width: 280px;
    height: 280px;
    background: radial-gradient(circle at 30% 30%, var(--okx-azure-glow), var(--okx-azure) 50%, transparent 75%);
    top: 20px;
    right: 40px;
    opacity: .85;
    animation: okx-float 6s ease-in-out infinite;
}

.okx-orb-2 {
    width: 180px;
    height: 180px;
    background: radial-gradient(circle at 30% 30%, var(--okx-cyan), transparent 70%);
    bottom: 40px;
    left: 10px;
    opacity: .7;
    animation: okx-float 8s ease-in-out infinite reverse;
}

.okx-orb-3 {
    width: 120px;
    height: 120px;
    background: radial-gradient(circle at 30% 30%, var(--okx-violet), transparent 70%);
    top: 180px;
    left: 120px;
    opacity: .6;
    animation: okx-float 7s ease-in-out infinite;
}

@keyframes okx-float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(8deg); }
}

.okx-hero-card {
    position: absolute;
    background: rgba(15, 24, 48, .9);
    border: 1px solid var(--okx-line);
    border-radius: 16px;
    padding: 18px 22px;
    backdrop-filter: blur(10px);
    box-shadow: var(--okx-shadow);
}

.okx-hero-card-1 {
    top: 60px;
    left: 0;
    animation: okx-float 5s ease-in-out infinite;
}

.okx-hero-card-2 {
    bottom: 80px;
    right: 0;
    animation: okx-float 6.5s ease-in-out infinite reverse;
}

.okx-hero-card-t {
    font-size: 18px;
    color: var(--okx-ash-deep);
}

.okx-hero-card-v {
    font-size: 26px;
    font-weight: 800;
    color: var(--okx-mint);
}

okx-exchange-block {
}

.okx-exchange {
    background: linear-gradient(180deg, var(--okx-abyss), var(--okx-void));
}

.okx-exchange-top {
    text-align: center;
    margin-bottom: 64px;
}

.okx-exchange-top .okx-lead {
    margin: 0 auto;
}

.okx-exchange-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.okx-ex-card {
    background: linear-gradient(160deg, var(--okx-panel), var(--okx-abyss));
    border: 1px solid var(--okx-line);
    border-radius: var(--okx-radius);
    padding: 38px 32px;
    transition: transform .3s ease, border-color .3s ease;
    position: relative;
    overflow: hidden;
}

.okx-ex-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--okx-azure), var(--okx-cyan));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .35s ease;
}

.okx-ex-card:hover {
    transform: translateY(-8px);
    border-color: var(--okx-azure);
}

.okx-ex-card:hover::before {
    transform: scaleX(1);
}

.okx-ex-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: rgba(44, 123, 255, .12);
    display: grid;
    place-items: center;
    font-size: 28px;
    margin-bottom: 24px;
    border: 1px solid rgba(44, 123, 255, .25);
}

.okx-ex-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--okx-ink);
}

.okx-ex-card p {
    font-size: 18px;
    color: var(--okx-ash);
}

okx-pc-block {
}

.okx-pc {
    background: var(--okx-void);
}

.okx-pc-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.okx-pc-mock {
    position: relative;
    border-radius: 20px;
    background: linear-gradient(160deg, var(--okx-panel), var(--okx-abyss));
    border: 1px solid var(--okx-line);
    padding: 22px;
    box-shadow: var(--okx-shadow);
}

.okx-pc-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.okx-pc-bar i {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--okx-ash-deep);
}

.okx-pc-bar i:nth-child(1) { background: #ff5f57; }
.okx-pc-bar i:nth-child(2) { background: #febc2e; }
.okx-pc-bar i:nth-child(3) { background: #28c840; }

.okx-pc-screen {
    background: var(--okx-void);
    border-radius: 12px;
    padding: 24px;
    border: 1px solid var(--okx-line);
}

.okx-pc-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid var(--okx-line);
}

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

.okx-pc-coin {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 600;
}

.okx-pc-coin b {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--okx-azure), var(--okx-cyan));
    display: grid;
    place-items: center;
    font-size: 16px;
    color: #fff;
}

.okx-pc-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--okx-mint);
}

.okx-pc-price.down {
    color: #ff6b6b;
}

.okx-pc-text h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 22px;
}

.okx-pc-text p {
    font-size: 19px;
    color: var(--okx-ash);
    margin-bottom: 20px;
}

.okx-pc-list {
    margin-top: 26px;
}

.okx-pc-list li {
    font-size: 18px;
    color: var(--okx-ash);
    padding: 12px 0 12px 32px;
    position: relative;
}

.okx-pc-list li::before {
    content: "▶";
    position: absolute;
    left: 0;
    color: var(--okx-cyan);
    font-size: 16px;
}

okx-official-block {
}

.okx-official {
    background: linear-gradient(180deg, var(--okx-void), var(--okx-abyss));
}

.okx-official-band {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 56px;
    align-items: center;
}

.okx-official-panel {
    background: var(--okx-panel);
    border: 1px solid var(--okx-line);
    border-radius: 22px;
    padding: 44px;
    position: relative;
    overflow: hidden;
}

.okx-official-panel::after {
    content: "";
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 216, 240, .15), transparent 70%);
    top: -100px;
    right: -100px;
}

.okx-official-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--okx-mint);
    padding: 8px 18px;
    background: rgba(47, 230, 168, .1);
    border: 1px solid rgba(47, 230, 168, .3);
    border-radius: 30px;
    margin-bottom: 26px;
}

.okx-official-panel h2 {
    font-size: 38px;
    font-weight: 800;
    margin-bottom: 22px;
}

.okx-official-panel p {
    font-size: 19px;
    color: var(--okx-ash);
    margin-bottom: 18px;
}

.okx-official-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 30px;
}

.okx-official-meta div {
    background: var(--okx-abyss);
    border: 1px solid var(--okx-line);
    border-radius: 14px;
    padding: 22px;
}

.okx-official-meta b {
    display: block;
    font-size: 30px;
    color: var(--okx-cyan);
    font-weight: 800;
}

.okx-official-meta span {
    font-size: 18px;
    color: var(--okx-ash-deep);
}

okx-site-block {
}

.okx-site {
    background: var(--okx-abyss);
}

.okx-site-flow {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 56px;
}

.okx-site-step {
    text-align: center;
    padding: 36px 24px;
    background: var(--okx-panel);
    border: 1px solid var(--okx-line);
    border-radius: var(--okx-radius);
    position: relative;
    transition: transform .3s ease;
}

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

.okx-site-num {
    width: 56px;
    height: 56px;
    margin: 0 auto 22px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--okx-azure), var(--okx-violet));
    display: grid;
    place-items: center;
    font-size: 24px;
    font-weight: 900;
    color: #fff;
}

.okx-site-step h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
}

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

okx-platform-block {
}

.okx-platform {
    background: linear-gradient(180deg, var(--okx-abyss), var(--okx-void));
}

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

.okx-platform-head .okx-lead {
    margin: 0 auto;
}

.okx-platform-table {
    background: var(--okx-panel);
    border: 1px solid var(--okx-line);
    border-radius: 22px;
    overflow: hidden;
}

.okx-platform-row {
    display: grid;
    grid-template-columns: 1.2fr 2fr 1fr;
    gap: 24px;
    padding: 28px 36px;
    border-bottom: 1px solid var(--okx-line);
    align-items: center;
    transition: background .25s ease;
}

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

.okx-platform-row:hover {
    background: var(--okx-slate);
}

.okx-platform-row.is-head {
    background: var(--okx-slate);
    font-weight: 700;
    color: var(--okx-cyan);
    font-size: 19px;
}

.okx-platform-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--okx-ink);
}

.okx-platform-desc {
    font-size: 18px;
    color: var(--okx-ash);
}

.okx-platform-tag {
    font-size: 18px;
    font-weight: 700;
    color: var(--okx-mint);
    text-align: right;
}

okx-app-block {
}

.okx-app {
    background: var(--okx-void);
}

.okx-app-shell {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
}

.okx-app-phone {
    position: relative;
    width: 300px;
    height: 580px;
    margin: 0 auto;
    border-radius: 42px;
    background: linear-gradient(160deg, #1a2640, #0a1020);
    border: 2px solid var(--okx-line);
    padding: 18px 14px;
    box-shadow: var(--okx-shadow), 0 0 60px rgba(44, 123, 255, .2);
}

.okx-app-phone::before {
    content: "";
    position: absolute;
    top: 18px;
    left: 50%;
    transform: translateX(-50%);
    width: 110px;
    height: 22px;
    background: #050811;
    border-radius: 14px;
    z-index: 2;
}

.okx-app-screen {
    width: 100%;
    height: 100%;
    background: var(--okx-void);
    border-radius: 30px;
    padding: 50px 18px 18px;
    overflow: hidden;
}

.okx-app-balance {
    background: linear-gradient(135deg, var(--okx-azure), var(--okx-violet));
    border-radius: 18px;
    padding: 22px;
    margin-bottom: 18px;
}

.okx-app-balance span {
    font-size: 18px;
    color: rgba(255, 255, 255, .8);
}

.okx-app-balance b {
    display: block;
    font-size: 30px;
    color: #fff;
    margin-top: 6px;
}

.okx-app-menu {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 18px;
}

.okx-app-menu i {
    aspect-ratio: 1;
    background: var(--okx-slate);
    border-radius: 14px;
    display: grid;
    place-items: center;
    font-size: 22px;
}

.okx-app-line {
    height: 52px;
    background: var(--okx-slate);
    border-radius: 12px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    padding: 0 16px;
    justify-content: space-between;
    font-size: 18px;
    color: var(--okx-ash);
}

.okx-app-line b {
    color: var(--okx-mint);
    font-weight: 700;
}

.okx-app-text h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 24px;
}

.okx-app-text p {
    font-size: 19px;
    color: var(--okx-ash);
    margin-bottom: 20px;
}

.okx-app-feat {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 28px 0;
}

.okx-app-feat span {
    font-size: 18px;
    padding: 10px 20px;
    background: var(--okx-slate);
    border: 1px solid var(--okx-line);
    border-radius: 30px;
    color: var(--okx-ash);
}

okx-download-block {
}

.okx-download {
    background:
        radial-gradient(circle at 50% 50%, rgba(44, 123, 255, .18), transparent 60%),
        linear-gradient(180deg, var(--okx-void), var(--okx-abyss));
    text-align: center;
}

.okx-download-icon {
    width: 96px;
    height: 96px;
    margin: 0 auto 30px;
    border-radius: 26px;
    background: linear-gradient(135deg, var(--okx-azure), var(--okx-cyan));
    display: grid;
    place-items: center;
    font-size: 48px;
    color: #fff;
    box-shadow: 0 20px 50px rgba(44, 123, 255, .4);
}

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

.okx-download .okx-lead {
    margin: 0 auto 44px;
}

.okx-download-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    justify-content: center;
    margin-bottom: 50px;
}

.okx-download-btns .okx-btn {
    padding: 16px 38px;
    font-size: 19px;
}

.okx-download-platforms {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
}

.okx-download-platforms span {
    font-size: 18px;
    color: var(--okx-ash-deep);
    padding: 10px 22px;
    border: 1px solid var(--okx-line);
    border-radius: 30px;
}

okx-news-block {
}

.okx-news {
    background: var(--okx-abyss);
}

.okx-news-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 50px;
    flex-wrap: wrap;
    gap: 20px;
}

.okx-news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.okx-news-item {
    background: var(--okx-panel);
    border: 1px solid var(--okx-line);
    border-radius: var(--okx-radius);
    overflow: hidden;
    transition: transform .3s ease, border-color .3s ease;
}

.okx-news-item:hover {
    transform: translateY(-6px);
    border-color: var(--okx-azure);
}

.okx-news-thumb {
    height: 160px;
    background: linear-gradient(135deg, var(--okx-azure), var(--okx-violet));
    display: grid;
    place-items: center;
    font-size: 40px;
    color: rgba(255, 255, 255, .85);
}

.okx-news-item:nth-child(2) .okx-news-thumb {
    background: linear-gradient(135deg, var(--okx-cyan), var(--okx-azure));
}

.okx-news-item:nth-child(3) .okx-news-thumb {
    background: linear-gradient(135deg, var(--okx-mint), var(--okx-cyan));
}

.okx-news-body {
    padding: 28px 26px;
}

.okx-news-date {
    font-size: 18px;
    color: var(--okx-cyan);
    font-weight: 600;
    margin-bottom: 12px;
}

.okx-news-body h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 14px;
    line-height: 1.4;
}

.okx-news-body p {
    font-size: 18px;
    color: var(--okx-ash);
}

okx-features-block {
}

.okx-features {
    background: linear-gradient(180deg, var(--okx-abyss), var(--okx-void));
}

.okx-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    margin-top: 56px;
}

.okx-feat-box {
    display: flex;
    gap: 24px;
    padding: 36px;
    background: var(--okx-panel);
    border: 1px solid var(--okx-line);
    border-radius: var(--okx-radius);
    transition: border-color .3s ease;
}

.okx-feat-box:hover {
    border-color: var(--okx-cyan);
}

.okx-feat-ico {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(44, 123, 255, .2), rgba(0, 216, 240, .2));
    border: 1px solid var(--okx-line);
    display: grid;
    place-items: center;
    font-size: 30px;
}

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

.okx-feat-box p {
    font-size: 18px;
    color: var(--okx-ash);
}

okx-security-block {
}

.okx-security {
    background: var(--okx-void);
}

.okx-security-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.okx-security-shield {
    position: relative;
    height: 420px;
    display: grid;
    place-items: center;
}

.okx-security-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid var(--okx-line);
}

.okx-security-ring-1 {
    width: 380px;
    height: 380px;
    animation: okx-spin 20s linear infinite;
    border-style: dashed;
    border-color: rgba(44, 123, 255, .3);
}

.okx-security-ring-2 {
    width: 280px;
    height: 280px;
    animation: okx-spin 14s linear infinite reverse;
    border-color: rgba(0, 216, 240, .3);
}

.okx-security-core {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--okx-azure), var(--okx-violet));
    display: grid;
    place-items: center;
    font-size: 64px;
    box-shadow: 0 0 80px rgba(44, 123, 255, .5);
}

@keyframes okx-spin {
    to { transform: rotate(360deg); }
}

.okx-security-text h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 24px;
}

.okx-security-text p {
    font-size: 19px;
    color: var(--okx-ash);
    margin-bottom: 20px;
}

.okx-security-list {
    margin-top: 28px;
    display: grid;
    gap: 16px;
}

.okx-security-list div {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 18px;
    color: var(--okx-ink);
    padding: 16px 22px;
    background: var(--okx-panel);
    border: 1px solid var(--okx-line);
    border-radius: 14px;
}

.okx-security-list b {
    color: var(--okx-mint);
    font-size: 22px;
}

okx-faq-block {
}

.okx-faq {
    background: linear-gradient(180deg, var(--okx-void), var(--okx-abyss));
}

.okx-faq-head {
    text-align: center;
    margin-bottom: 54px;
}

.okx-faq-list {
    max-width: 880px;
    margin: 0 auto;
    display: grid;
    gap: 18px;
}

.okx-faq-item {
    background: var(--okx-panel);
    border: 1px solid var(--okx-line);
    border-radius: 16px;
    padding: 28px 32px;
    transition: border-color .3s ease;
}

.okx-faq-item:hover {
    border-color: var(--okx-azure);
}

.okx-faq-q {
    font-size: 21px;
    font-weight: 700;
    color: var(--okx-ink);
    margin-bottom: 14px;
    display: flex;
    gap: 14px;
}

.okx-faq-q b {
    color: var(--okx-cyan);
    flex-shrink: 0;
}

.okx-faq-a {
    font-size: 18px;
    color: var(--okx-ash);
    padding-left: 28px;
}

okx-cta-block {
}

.okx-cta {
    background:
        radial-gradient(circle at 50% 0%, rgba(44, 123, 255, .25), transparent 55%),
        var(--okx-void);
    text-align: center;
    padding: 100px 28px;
}

.okx-cta h2 {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 24px;
}

.okx-cta p {
    font-size: 21px;
    color: var(--okx-ash);
    max-width: 680px;
    margin: 0 auto 40px;
}

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

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

okx-footer-block {
}

.okx-footer {
    background: var(--okx-abyss);
    border-top: 1px solid var(--okx-line);
    padding: 70px 28px 40px;
}

.okx-footer-grid {
    max-width: var(--okx-maxw);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 50px;
}

.okx-footer-brand p {
    font-size: 18px;
    color: var(--okx-ash);
    margin-top: 20px;
    max-width: 320px;
}

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

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

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

.okx-footer-bottom {
    max-width: var(--okx-maxw);
    margin: 0 auto;
    padding-top: 30px;
    border-top: 1px solid var(--okx-line);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.okx-footer-bottom p {
    font-size: 18px;
    color: var(--okx-ash-deep);
}

.okx-footer-bottom a {
    font-size: 18px;
    color: var(--okx-ash-deep);
}

.okx-back-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 54px;
    height: 54px;
    border-radius: 14px;
    background: var(--okx-azure);
    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: var(--okx-shadow-blue);
}

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

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

.okx-mobile-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--okx-line);
    border-radius: 10px;
    width: 44px;
    height: 44px;
    color: var(--okx-ink);
    font-size: 22px;
    cursor: pointer;
    font-family: inherit;
}

@media (max-width: 1024px) {
    .okx-hero-grid,
    .okx-pc-layout,
    .okx-official-band,
    .okx-app-shell,
    .okx-security-layout {
        grid-template-columns: 1fr;
        gap: 44px;
    }
    .okx-hero-visual {
        height: 360px;
    }
    .okx-exchange-grid,
    .okx-news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .okx-site-flow {
        grid-template-columns: repeat(2, 1fr);
    }
    .okx-footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 720px) {
    html { font-size: 16px; }
    .okx-menu { display: none; }
    .okx-mobile-toggle { display: grid; place-items: center; }
    .okx-menu.is-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--okx-abyss);
        padding: 20px;
        gap: 4px;
        border-bottom: 1px solid var(--okx-line);
    }
    .okx-hero h1 { font-size: 40px; }
    .okx-title, .okx-pc-text h2, .okx-app-text h2, .okx-security-text h2 { font-size: 30px; }
    .okx-download h2, .okx-cta h2 { font-size: 34px; }
    .okx-exchange-grid,
    .okx-news-grid,
    .okx-features-grid,
    .okx-site-flow {
        grid-template-columns: 1fr;
    }
    .okx-platform-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .okx-platform-tag { text-align: left; }
    .okx-official-meta { grid-template-columns: 1fr; }
    .okx-footer-grid { grid-template-columns: 1fr; }
    .okx-navi-cta .okx-btn-ghost { display: none; }
    .okx-section { padding: 80px 20px; }
    .okx-hero-stats { gap: 28px; }
    .okx-stat-num { font-size: 30px; }
}