:root {
    color-scheme: dark;
    --bg: #05070a;
    --bg-2: #0a0f14;
    --panel: rgba(12, 17, 22, 0.82);
    --panel-solid: #0d1319;
    --text: #f7fafc;
    --muted: #92a0aa;
    --line: rgba(225, 235, 244, 0.13);
    --silver: #dce5ee;
    --steel: #7f8e9e;
    --primary: #66ff9d;
    --primary-strong: #20d96a;
    --cyan: #42d8ff;
    --blue: #2f73ff;
    --amber: #f4c76a;
    --danger: #ff6473;
    --shadow: 0 34px 110px rgba(0, 0, 0, 0.55);
    --metal: linear-gradient(135deg, #ffffff 0%, #7f8d9d 19%, #edf4fb 37%, #586775 58%, #f8fbff 78%, #91a0af 100%);
}

html[data-theme="light"] {
    color-scheme: light;
    --bg: #f4f7f9;
    --bg-2: #ffffff;
    --panel: rgba(255, 255, 255, 0.86);
    --panel-solid: #ffffff;
    --text: #0d171d;
    --muted: #5f6f7a;
    --line: rgba(18, 35, 46, 0.13);
    --silver: #26333d;
    --steel: #617382;
    --primary: #0aae63;
    --primary-strong: #007d48;
    --cyan: #007fb4;
    --blue: #1d58d8;
    --amber: #ad6f00;
    --danger: #bc3449;
    --shadow: 0 34px 90px rgba(22, 38, 48, 0.17);
    --metal: linear-gradient(135deg, #0b1520 0%, #708293 20%, #172633 38%, #c4ced8 58%, #253543 78%, #8798a8 100%);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    background:
        radial-gradient(circle at 72% 18%, color-mix(in srgb, var(--cyan) 22%, transparent), transparent 34%),
        radial-gradient(circle at 18% 16%, color-mix(in srgb, var(--primary) 18%, transparent), transparent 30%),
        linear-gradient(180deg, var(--bg), var(--bg-2) 52%, var(--bg));
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
    letter-spacing: 0;
    text-rendering: geometricPrecision;
}

a {
    color: inherit;
    text-decoration: none;
}

.portal-shell {
    overflow-x: hidden;
}

.portal-nav {
    position: sticky;
    top: 0;
    z-index: 30;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 28px;
    min-height: 84px;
    padding: 0 clamp(18px, 4.8vw, 76px);
    border-bottom: 1px solid var(--line);
    background: color-mix(in srgb, var(--bg) 80%, transparent);
    backdrop-filter: blur(24px) saturate(135%);
}

.portal-nav.is-scrolled {
    box-shadow: 0 20px 70px rgba(0, 0, 0, 0.2);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    min-width: 260px;
}

.brand-emblem {
    display: block;
    width: 68px;
    height: 68px;
    flex: 0 0 68px;
}

.brand-word {
    display: grid;
    gap: 2px;
}

.brand-word b {
    background: var(--metal);
    color: transparent;
    font-size: 22px;
    font-weight: 920;
    line-height: 1;
    -webkit-background-clip: text;
    background-clip: text;
}

.brand-word small {
    color: var(--muted);
    font-size: 10px;
    font-weight: 860;
    letter-spacing: 0;
}

.nav-links,
.nav-actions {
    display: flex;
    align-items: center;
}

.nav-links {
    justify-content: center;
    gap: clamp(18px, 3vw, 42px);
    color: var(--muted);
    font-size: 14px;
    font-weight: 720;
}

.nav-links a {
    position: relative;
    padding: 32px 0;
}

.nav-links a::after {
    position: absolute;
    right: 0;
    bottom: 23px;
    left: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--cyan));
    content: "";
    opacity: 0;
    transform: scaleX(0.4);
    transition: opacity 160ms ease, transform 160ms ease;
}

.nav-links a:hover {
    color: var(--text);
}

.nav-links a:hover::after {
    opacity: 1;
    transform: scaleX(1);
}

.nav-actions {
    justify-content: flex-end;
    gap: 10px;
}

.nav-login,
.nav-primary,
.btn,
.lang-switch button,
.theme-toggle {
    min-height: 44px;
    border-radius: 7px;
    border: 1px solid var(--line);
    font: inherit;
}

.lang-switch {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    min-height: 44px;
    padding: 3px;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: color-mix(in srgb, var(--panel) 88%, transparent);
}

.lang-switch button {
    min-width: 42px;
    padding: 0 10px;
    border-color: transparent;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    font-size: 12px;
    font-weight: 850;
}

.lang-switch button.is-active {
    background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 24%, transparent), color-mix(in srgb, var(--cyan) 20%, transparent));
    color: var(--text);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--primary) 28%, transparent);
}

.nav-login,
.nav-primary,
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    font-weight: 820;
}

.nav-login,
.btn-ghost {
    background: linear-gradient(180deg, color-mix(in srgb, var(--panel-solid) 88%, transparent), color-mix(in srgb, var(--panel-solid) 60%, transparent));
    color: var(--text);
}

.nav-primary,
.btn-primary {
    border-color: color-mix(in srgb, var(--primary) 72%, transparent);
    background: linear-gradient(135deg, var(--primary), #d6ffe5 44%, var(--cyan));
    color: #06100c;
    box-shadow: 0 18px 44px color-mix(in srgb, var(--primary) 28%, transparent);
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0 12px;
    background: var(--panel);
    color: var(--text);
    cursor: pointer;
}

.theme-toggle__track {
    position: relative;
    width: 38px;
    height: 21px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: color-mix(in srgb, var(--steel) 24%, transparent);
}

.theme-toggle__knob {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: var(--metal);
    box-shadow: 0 0 18px color-mix(in srgb, var(--primary) 35%, transparent);
    transition: transform 180ms ease;
}

html[data-theme="light"] .theme-toggle__knob {
    transform: translateX(17px);
}

.theme-toggle__label {
    min-width: 28px;
    color: var(--muted);
    font-size: 13px;
}

.hero-section {
    position: relative;
    min-height: calc(100vh - 84px);
    overflow: hidden;
    border-bottom: 1px solid var(--line);
}

.hero-section::before {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--line) 1px, transparent 1px),
        linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 84px 84px;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,0.86), transparent 78%);
    content: "";
    opacity: 0.42;
}

.hero-media {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.metal-plate {
    position: absolute;
    border: 1px solid var(--line);
    border-radius: 8px;
    background:
        linear-gradient(120deg, transparent 0 22%, color-mix(in srgb, var(--silver) 16%, transparent) 23% 25%, transparent 26% 100%),
        linear-gradient(135deg, color-mix(in srgb, var(--silver) 16%, transparent), color-mix(in srgb, var(--steel) 5%, transparent));
    box-shadow: var(--shadow);
    transform: rotate(-12deg) skewX(-8deg);
}

.metal-plate--one {
    top: 10%;
    right: -120px;
    width: 560px;
    height: 340px;
}

.metal-plate--two {
    bottom: 2%;
    left: -160px;
    width: 520px;
    height: 260px;
    transform: rotate(9deg) skewX(8deg);
}

.network-lines span {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), var(--cyan), transparent);
    opacity: 0.58;
}

.network-lines span:nth-child(1) {
    top: 22%;
    left: 8%;
    width: 44%;
    transform: rotate(-11deg);
}

.network-lines span:nth-child(2) {
    top: 39%;
    right: 3%;
    width: 48%;
    transform: rotate(8deg);
}

.network-lines span:nth-child(3) {
    bottom: 28%;
    left: 16%;
    width: 52%;
    transform: rotate(5deg);
}

.network-lines span:nth-child(4) {
    bottom: 18%;
    right: 11%;
    width: 36%;
    transform: rotate(-14deg);
}

.hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 0.82fr) minmax(460px, 1.18fr);
    gap: clamp(34px, 7vw, 96px);
    align-items: center;
    min-height: calc(100vh - 84px);
    width: min(1280px, calc(100% - 44px));
    margin: 0 auto;
    padding: clamp(58px, 8vw, 108px) 0 clamp(48px, 7vw, 92px);
}

.eyebrow {
    margin: 0 0 16px;
    color: var(--primary);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    max-width: 780px;
    margin-bottom: 22px;
    background: var(--metal);
    color: transparent;
    font-size: clamp(64px, 8.8vw, 124px);
    font-weight: 920;
    line-height: 0.9;
    letter-spacing: 0;
    -webkit-background-clip: text;
    background-clip: text;
    filter: drop-shadow(0 18px 34px rgba(0, 0, 0, 0.28));
}

.hero-lead {
    max-width: 680px;
    color: var(--muted);
    font-size: clamp(18px, 2vw, 22px);
    line-height: 1.78;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 34px 0;
}

.btn {
    min-width: 142px;
}

.trust-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    max-width: 660px;
}

.trust-strip div,
.capability-grid article,
.policy-row,
.code-window,
.platform-stack > div,
.security-section,
.hero-console,
.brand-stage {
    border: 1px solid var(--line);
    border-radius: 8px;
    background:
        linear-gradient(145deg, color-mix(in srgb, var(--silver) 8%, transparent), transparent 40%),
        var(--panel);
    box-shadow: var(--shadow);
    backdrop-filter: blur(20px) saturate(125%);
}

.trust-strip div {
    min-height: 94px;
    padding: 18px;
}

.trust-strip strong {
    display: block;
    color: var(--silver);
    font-size: clamp(24px, 3vw, 36px);
    line-height: 1;
}

.trust-strip span {
    display: block;
    margin-top: 10px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 760;
    text-transform: uppercase;
}

.brand-stage {
    position: relative;
    min-height: 680px;
    overflow: hidden;
    background:
        radial-gradient(circle at 50% 42%, color-mix(in srgb, var(--primary) 18%, transparent), transparent 27%),
        radial-gradient(circle at 68% 58%, color-mix(in srgb, var(--cyan) 15%, transparent), transparent 30%),
        linear-gradient(145deg, color-mix(in srgb, var(--silver) 10%, transparent), transparent 44%),
        var(--panel);
    perspective: 1100px;
}

.brand-stage::before {
    position: absolute;
    inset: 6%;
    border: 1px solid color-mix(in srgb, var(--silver) 16%, transparent);
    border-radius: 50%;
    content: "";
    opacity: 0.72;
}

.brand-stage::after {
    position: absolute;
    inset: 18%;
    border: 1px solid color-mix(in srgb, var(--primary) 28%, transparent);
    border-radius: 50%;
    content: "";
    filter: blur(0.2px);
}

.stage-scan {
    position: absolute;
    inset: -20% -40%;
    background: linear-gradient(115deg, transparent 0 43%, rgba(255,255,255,0.18) 48%, transparent 54% 100%);
    animation: stageScan 4.6s ease-in-out infinite;
    opacity: 0.7;
}

.stage-orbit {
    position: absolute;
    inset: 12%;
    border: 1px solid color-mix(in srgb, var(--cyan) 24%, transparent);
    border-radius: 50%;
    transform-style: preserve-3d;
}

.stage-orbit-a {
    animation: stageOrbitA 18s linear infinite;
}

.stage-orbit-b {
    inset: 24% 9%;
    border-color: color-mix(in srgb, var(--primary) 26%, transparent);
    transform: rotateX(64deg) rotateZ(18deg);
    animation: stageOrbitB 15s linear infinite;
}

.stage-emblem {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 2;
    width: min(58vw, 500px);
    max-width: 72%;
    transform: translate(-50%, -50%);
    animation: emblemFloat 4.8s ease-in-out infinite;
    filter: drop-shadow(0 36px 56px rgba(0,0,0,0.42));
}

.stage-chip,
.stage-status {
    position: absolute;
    z-index: 3;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: color-mix(in srgb, var(--panel-solid) 80%, transparent);
    box-shadow: 0 24px 80px rgba(0,0,0,0.34);
    backdrop-filter: blur(18px) saturate(130%);
}

.stage-chip {
    min-width: 190px;
    padding: 15px 16px;
}

.stage-chip span {
    display: block;
    color: var(--muted);
    font-size: 11px;
    font-weight: 900;
    text-transform: uppercase;
}

.stage-chip strong {
    display: block;
    margin-top: 7px;
    color: var(--silver);
    font-size: 17px;
    word-break: break-word;
}

.stage-chip-a {
    top: 54px;
    right: 50px;
}

.stage-chip-b {
    bottom: 74px;
    left: 42px;
}

.stage-chip-c {
    right: 42px;
    bottom: 36px;
    width: 238px;
}

.stage-status {
    top: 42px;
    left: 42px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 36px;
    padding: 0 13px;
    color: var(--primary);
    font-size: 11px;
    font-weight: 920;
}

.stage-status i {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 18px var(--primary);
}

@keyframes stageScan {
    0% { transform: translateX(-32%); opacity: 0; }
    22% { opacity: 0.65; }
    66%, 100% { transform: translateX(32%); opacity: 0; }
}

@keyframes stageOrbitA {
    from { transform: rotateX(62deg) rotateZ(0deg); }
    to { transform: rotateX(62deg) rotateZ(360deg); }
}

@keyframes stageOrbitB {
    from { transform: rotateX(64deg) rotateZ(18deg); }
    to { transform: rotateX(64deg) rotateZ(-342deg); }
}

@keyframes emblemFloat {
    0%, 100% { transform: translate(-50%, -50%) translateY(0) scale(1); }
    50% { transform: translate(-50%, -50%) translateY(-14px) scale(1.025); }
}

.hero-console {
    position: relative;
    min-height: 650px;
    padding: 24px;
    overflow: hidden;
}

.hero-console::before {
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    background:
        radial-gradient(circle at 50% 28%, color-mix(in srgb, var(--primary) 20%, transparent), transparent 25%),
        radial-gradient(circle at 72% 62%, color-mix(in srgb, var(--cyan) 17%, transparent), transparent 26%);
    content: "";
    pointer-events: none;
}

.console-top,
.console-grid,
.orbit-view {
    position: relative;
    z-index: 1;
}

.console-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    min-height: 62px;
}

.console-top span,
.console-grid span {
    display: block;
    color: var(--muted);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.console-top strong {
    display: block;
    margin-top: 6px;
    color: var(--silver);
}

.console-top b {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 0 12px;
    border-radius: 7px;
    background: color-mix(in srgb, var(--primary) 16%, transparent);
    color: var(--primary);
    font-size: 12px;
}

.orbit-view {
    display: grid;
    min-height: 360px;
    place-items: center;
    margin: 26px 0;
}

.orbit-view::before,
.orbit-view::after {
    position: absolute;
    border: 1px solid color-mix(in srgb, var(--silver) 18%, transparent);
    border-radius: 50%;
    content: "";
}

.orbit-view::before {
    width: min(86%, 480px);
    aspect-ratio: 1;
}

.orbit-view::after {
    width: min(62%, 340px);
    aspect-ratio: 1;
    border-color: color-mix(in srgb, var(--primary) 32%, transparent);
}

.core-ring {
    display: grid;
    position: relative;
    z-index: 2;
    width: min(62%, 350px);
    aspect-ratio: 1;
    place-items: center;
    border: 1px solid color-mix(in srgb, var(--primary) 30%, transparent);
    border-radius: 50%;
    background:
        radial-gradient(circle, color-mix(in srgb, var(--silver) 18%, transparent), transparent 56%),
        color-mix(in srgb, var(--panel-solid) 88%, transparent);
    box-shadow: inset 0 0 70px color-mix(in srgb, var(--primary) 11%, transparent), 0 0 70px color-mix(in srgb, var(--cyan) 12%, transparent);
}

.core-ring img {
    width: 78%;
    max-width: 245px;
}

.node {
    position: absolute;
    z-index: 3;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 72px;
    min-height: 38px;
    padding: 0 12px;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: color-mix(in srgb, var(--panel-solid) 82%, transparent);
    color: var(--silver);
    font-size: 12px;
    font-weight: 900;
    box-shadow: 0 16px 46px rgba(0,0,0,0.26);
}

.node-a {
    top: 34px;
    left: 16%;
}

.node-b {
    top: 88px;
    right: 8%;
}

.node-c {
    bottom: 62px;
    left: 10%;
}

.node-d {
    right: 18%;
    bottom: 24px;
}

.console-grid {
    display: grid;
    grid-template-columns: 0.82fr 1fr 1fr;
    gap: 10px;
}

.console-grid div {
    min-height: 88px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: color-mix(in srgb, var(--panel-solid) 58%, transparent);
}

.console-grid strong {
    display: block;
    margin-top: 10px;
    color: var(--silver);
    font-size: clamp(15px, 1.6vw, 22px);
    word-break: break-word;
}

.section-band,
.liquid-section,
.security-section {
    width: min(1280px, calc(100% - 44px));
    margin: 0 auto;
    padding: clamp(78px, 9vw, 124px) 0;
}

.section-head {
    max-width: 840px;
    margin-bottom: 38px;
}

h2 {
    margin-bottom: 18px;
    color: var(--silver);
    font-size: clamp(34px, 5vw, 64px);
    line-height: 1.05;
    letter-spacing: 0;
}

h3 {
    color: var(--silver);
}

.capability-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.capability-grid article {
    min-height: 280px;
    padding: 26px;
}

.capability-grid span {
    color: var(--primary);
    font-size: 12px;
    font-weight: 900;
}

.capability-grid h3 {
    margin: 72px 0 14px;
    font-size: 25px;
}

.capability-grid p,
.section-copy p,
.platform-stack p,
.security-section p,
.portal-footer p {
    color: var(--muted);
    line-height: 1.78;
}

.liquid-section {
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.66fr);
    gap: clamp(30px, 7vw, 96px);
    align-items: center;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.policy-board {
    display: grid;
    gap: 12px;
}

.policy-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    min-height: 92px;
    padding: 22px;
}

.policy-row.active {
    border-color: color-mix(in srgb, var(--primary) 54%, transparent);
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--primary) 14%, transparent), transparent 54%),
        var(--panel);
}

.policy-row b {
    color: var(--silver);
}

.policy-row span {
    color: var(--muted);
    text-align: right;
}

.platform-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(310px, 0.7fr);
    gap: 18px;
}

.code-window {
    overflow: hidden;
    background: color-mix(in srgb, var(--panel-solid) 92%, transparent);
}

.window-dots {
    display: flex;
    gap: 7px;
    min-height: 44px;
    align-items: center;
    padding: 0 16px;
    border-bottom: 1px solid var(--line);
}

.window-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--danger);
}

.window-dots span:nth-child(2) {
    background: var(--amber);
}

.window-dots span:nth-child(3) {
    background: var(--primary);
}

pre {
    margin: 0;
    padding: 30px;
    overflow-x: auto;
    color: var(--primary);
    font: 15px/1.9 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.platform-stack {
    display: grid;
    gap: 12px;
}

.platform-stack > div {
    padding: 22px;
}

.platform-stack h3 {
    margin-bottom: 8px;
}

.security-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    min-height: 300px;
    margin-bottom: 36px;
    padding: clamp(36px, 6vw, 60px);
    border-color: color-mix(in srgb, var(--primary) 24%, var(--line));
}

.security-section > div {
    max-width: 780px;
}

.portal-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
    width: min(1280px, calc(100% - 44px));
    min-height: 108px;
    margin: 0 auto;
    border-top: 1px solid var(--line);
    color: var(--muted);
}

.portal-footer img {
    display: block;
    width: 190px;
    height: auto;
    margin-bottom: 8px;
}

.portal-footer p {
    margin: 0;
}

@media (max-width: 1080px) {
    .portal-nav {
        grid-template-columns: auto 1fr;
    }

    .nav-links {
        display: none;
    }

    .hero-inner,
    .liquid-section,
    .platform-layout {
        grid-template-columns: 1fr;
    }

    .hero-console,
    .brand-stage {
        min-height: 600px;
    }

    .capability-grid {
        grid-template-columns: 1fr;
    }

    .capability-grid article {
        min-height: 220px;
    }

    .capability-grid h3 {
        margin-top: 46px;
    }
}

@media (max-width: 720px) {
    .portal-nav {
        gap: 12px;
        min-height: 72px;
        padding: 0 14px;
    }

    .brand {
        min-width: 178px;
        gap: 9px;
    }

    .brand-emblem {
        width: 48px;
        height: 48px;
        flex-basis: 48px;
    }

    .brand-word b {
        font-size: 17px;
    }

    .brand-word small {
        font-size: 8px;
    }

    .theme-toggle__label,
    .nav-login {
        display: none;
    }

    .nav-primary {
        padding: 0 12px;
        font-size: 13px;
    }

    .hero-inner,
    .section-band,
    .liquid-section,
    .security-section,
    .portal-footer {
        width: min(100% - 28px, 1280px);
    }

    h1 {
        font-size: clamp(54px, 18vw, 76px);
    }

    .hero-lead {
        font-size: 16px;
    }

    .trust-strip,
    .console-grid {
        grid-template-columns: 1fr;
    }

    .hero-console,
    .brand-stage {
        min-height: 560px;
        padding: 18px;
    }

    .stage-emblem {
        width: min(92vw, 370px);
        max-width: 88%;
    }

    .stage-chip {
        min-width: 150px;
        padding: 12px;
    }

    .stage-chip-a {
        top: 56px;
        right: 14px;
    }

    .stage-chip-b {
        bottom: 84px;
        left: 12px;
    }

    .stage-chip-c {
        right: 12px;
        bottom: 22px;
        width: 198px;
    }

    .stage-status {
        top: 20px;
        left: 14px;
    }

    .orbit-view {
        min-height: 300px;
    }

    .core-ring {
        width: min(74%, 270px);
    }

    .node-a {
        left: 5%;
    }

    .node-b {
        right: 1%;
    }

    .node-c {
        left: 3%;
    }

    .node-d {
        right: 6%;
    }

    .policy-row,
    .security-section,
    .portal-footer {
        align-items: flex-start;
        flex-direction: column;
    }

    .policy-row span {
        text-align: left;
    }
}

/* Standard Pay bilingual brand site v3 */
.sp-site {
    background:
        radial-gradient(circle at 70% 6%, color-mix(in srgb, var(--cyan) 18%, transparent), transparent 30%),
        radial-gradient(circle at 18% 12%, color-mix(in srgb, var(--primary) 15%, transparent), transparent 28%),
        linear-gradient(180deg, var(--bg), var(--bg-2) 42%, var(--bg));
}

.sp-site::before {
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(620px circle at var(--spot-x, 50%) var(--spot-y, 18%), color-mix(in srgb, var(--primary) 14%, transparent), transparent 42%),
        radial-gradient(520px circle at calc(var(--spot-x, 50%) + 18%) calc(var(--spot-y, 18%) + 10%), color-mix(in srgb, var(--cyan) 10%, transparent), transparent 48%);
    content: "";
    pointer-events: none;
}

.sp-nav {
    min-height: 92px;
}

.sp-brand {
    min-width: 286px;
}

.nav-mobile {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 14px;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: var(--panel);
    color: var(--muted);
    font-weight: 850;
}

.sp-hero {
    position: relative;
    min-height: calc(100vh - 92px);
    overflow: hidden;
    border-bottom: 1px solid var(--line);
}

.sp-hero-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--line) 1px, transparent 1px),
        linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 96px 96px;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,0.72), transparent 82%);
}

.sp-hero-bg span {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), var(--cyan), transparent);
    opacity: 0.58;
}

.sp-hero-bg span:nth-child(1) { top: 22%; left: 8%; width: 48%; transform: rotate(-9deg); }
.sp-hero-bg span:nth-child(2) { top: 44%; right: 2%; width: 42%; transform: rotate(7deg); }
.sp-hero-bg span:nth-child(3) { bottom: 26%; left: 14%; width: 50%; transform: rotate(4deg); }
.sp-hero-bg span:nth-child(4) { bottom: 15%; right: 9%; width: 34%; transform: rotate(-13deg); }

.sp-hero-inner,
.sp-section,
.sp-cta,
.sp-footer {
    width: min(1320px, calc(100% - 44px));
    margin: 0 auto;
}

.sp-hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(520px, 1.1fr);
    gap: clamp(36px, 7vw, 104px);
    align-items: center;
    min-height: calc(100vh - 92px);
    padding: clamp(62px, 8vw, 110px) 0 clamp(58px, 8vw, 96px);
}

.sp-eyebrow {
    margin: 0 0 16px;
    color: var(--primary);
    font-size: 12px;
    font-weight: 930;
    letter-spacing: 0;
    text-transform: uppercase;
}

.sp-hero h1 {
    max-width: 850px;
    margin-bottom: 24px;
    background: var(--metal);
    color: transparent;
    font-size: clamp(58px, 7.8vw, 112px);
    font-weight: 940;
    line-height: 0.92;
    letter-spacing: 0;
    -webkit-background-clip: text;
    background-clip: text;
    filter: drop-shadow(0 22px 40px rgba(0, 0, 0, 0.28));
}

.sp-hero-en {
    max-width: 720px;
    color: var(--muted);
    font-size: clamp(18px, 2vw, 22px);
    line-height: 1.72;
}

.sp-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

.sp-proof {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    max-width: 720px;
    margin-top: 34px;
}

.sp-proof div,
.sp-product-grid article,
.sp-flow-grid div,
.sp-address-grid article,
.sp-case-grid article,
.sp-code-window,
.sp-ops-grid article,
.sp-faq details,
.sp-cta,
.sp-logo-lab {
    border: 1px solid var(--line);
    border-radius: 8px;
    background:
        linear-gradient(145deg, color-mix(in srgb, var(--silver) 8%, transparent), transparent 44%),
        var(--panel);
    box-shadow: var(--shadow);
    backdrop-filter: blur(20px) saturate(130%);
}

.sp-proof div {
    min-height: 108px;
    padding: 18px;
}

.sp-proof strong {
    display: block;
    color: var(--silver);
    font-size: clamp(25px, 3vw, 38px);
    line-height: 1;
}

.sp-proof span {
    display: block;
    margin-top: 10px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.55;
}

.sp-logo-lab {
    position: relative;
    min-height: 720px;
    overflow: hidden;
    background:
        radial-gradient(circle at 50% 42%, color-mix(in srgb, var(--primary) 22%, transparent), transparent 26%),
        radial-gradient(circle at 64% 56%, color-mix(in srgb, var(--cyan) 18%, transparent), transparent 30%),
        var(--panel);
    perspective: 1200px;
}

.sp-logo-lab::before {
    position: absolute;
    inset: 5%;
    border: 1px solid color-mix(in srgb, var(--silver) 16%, transparent);
    border-radius: 50%;
    content: "";
}

.sp-logo-lab::after {
    position: absolute;
    inset: -18% -45%;
    background: linear-gradient(112deg, transparent 0 42%, rgba(255,255,255,0.2) 49%, transparent 56% 100%);
    content: "";
    animation: stageScan 4s ease-in-out infinite;
}

.sp-logo-orbit {
    position: absolute;
    border: 1px solid color-mix(in srgb, var(--primary) 28%, transparent);
    border-radius: 50%;
}

.sp-logo-orbit-a {
    inset: 14%;
    animation: stageOrbitA 18s linear infinite;
}

.sp-logo-orbit-b {
    inset: 26% 8%;
    border-color: color-mix(in srgb, var(--cyan) 28%, transparent);
    animation: stageOrbitB 14s linear infinite;
}

.sp-hero-logo {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 2;
    width: min(640px, 90%);
    transform: translate(-50%, -50%);
    animation: emblemFloat 4.5s ease-in-out infinite;
    filter: drop-shadow(0 36px 60px rgba(0,0,0,0.48));
}

.sp-showcase {
    position: relative;
    width: min(1320px, calc(100% - 44px));
    margin: 0 auto;
    padding: clamp(74px, 8vw, 118px) 0;
}

.sp-showcase::before {
    position: absolute;
    top: 18%;
    right: -8%;
    width: 44%;
    aspect-ratio: 1;
    border: 1px solid color-mix(in srgb, var(--primary) 20%, transparent);
    border-radius: 50%;
    content: "";
    opacity: 0.5;
    filter: blur(0.4px);
}

.sp-showcase-head {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.7fr);
    gap: clamp(24px, 5vw, 70px);
    align-items: end;
    margin-bottom: 34px;
}

.sp-showcase-head h2 {
    margin: 0;
    color: var(--silver);
    font-size: clamp(36px, 5.4vw, 72px);
    line-height: 1.03;
    letter-spacing: 0;
}

.sp-showcase-head p:not(.sp-eyebrow) {
    color: var(--muted);
    line-height: 1.78;
}

.sp-command {
    position: relative;
    overflow: hidden;
    min-height: 620px;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--silver) 11%, transparent), transparent 36%),
        radial-gradient(circle at 70% 18%, color-mix(in srgb, var(--cyan) 18%, transparent), transparent 28%),
        color-mix(in srgb, var(--panel-solid) 84%, transparent);
    box-shadow: var(--shadow);
    backdrop-filter: blur(22px) saturate(135%);
}

.sp-command::after {
    position: absolute;
    inset: -20% -30%;
    background: linear-gradient(112deg, transparent 0 45%, rgba(255,255,255,0.16) 50%, transparent 56% 100%);
    content: "";
    animation: stageScan 5.6s ease-in-out infinite;
    pointer-events: none;
}

.sp-command-top {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 62px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
}

.sp-command-top span,
.sp-command-grid span {
    display: block;
    color: var(--muted);
    font-size: 11px;
    font-weight: 930;
    text-transform: uppercase;
}

.sp-command-top strong {
    display: block;
    margin-top: 6px;
    color: var(--silver);
    font-size: 22px;
}

.sp-command-top b {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 13px;
    border-radius: 7px;
    background: color-mix(in srgb, var(--primary) 15%, transparent);
    color: var(--primary);
    font-size: 12px;
}

.sp-command-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) repeat(2, minmax(0, 0.9fr));
    gap: 14px;
    padding-top: 18px;
}

.sp-command-grid article {
    min-height: 190px;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background:
        linear-gradient(145deg, color-mix(in srgb, var(--silver) 7%, transparent), transparent 42%),
        color-mix(in srgb, var(--panel) 78%, transparent);
}

.sp-command-grid article strong {
    display: block;
    margin-top: 10px;
    color: var(--silver);
    font-size: 22px;
    line-height: 1.18;
}

.sp-command-grid article p {
    margin: 18px 0 0;
    color: var(--muted);
    line-height: 1.7;
}

.sp-command-primary {
    grid-row: span 2;
    min-height: 398px;
}

.sp-command-primary strong {
    font-size: clamp(38px, 5vw, 68px) !important;
}

.sp-bars {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    align-items: end;
    gap: 12px;
    height: 210px;
    margin-top: 34px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.16);
}

.sp-bars i {
    display: block;
    min-height: 32px;
    border-radius: 7px 7px 0 0;
    background: linear-gradient(180deg, var(--primary), var(--cyan));
    box-shadow: 0 0 26px color-mix(in srgb, var(--primary) 24%, transparent);
}

html.js-ready .sp-section,
html.js-ready .sp-showcase,
html.js-ready .sp-cta {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 600ms ease, transform 600ms ease;
}

html.js-ready .sp-section.is-visible,
html.js-ready .sp-showcase.is-visible,
html.js-ready .sp-cta.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.sp-live-card {
    position: absolute;
    z-index: 3;
    min-width: 205px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: color-mix(in srgb, var(--panel-solid) 80%, transparent);
    box-shadow: 0 24px 80px rgba(0,0,0,0.36);
    backdrop-filter: blur(18px);
}

.sp-live-card span {
    display: block;
    color: var(--muted);
    font-size: 11px;
    font-weight: 930;
    text-transform: uppercase;
}

.sp-live-card b {
    display: block;
    margin-top: 8px;
    color: var(--silver);
    font-size: 18px;
    word-break: break-word;
}

.sp-live-a { top: 58px; left: 44px; }
.sp-live-b { top: 86px; right: 42px; }
.sp-live-c { right: 44px; bottom: 42px; width: 250px; }

.sp-section {
    padding: clamp(84px, 9vw, 132px) 0;
}

.sp-section-head {
    max-width: 930px;
    margin-bottom: 40px;
}

.sp-section-head h2,
.sp-dev-copy h2,
.sp-cta h2 {
    margin: 0 0 18px;
    color: var(--silver);
    font-size: clamp(34px, 5vw, 64px);
    line-height: 1.05;
    letter-spacing: 0;
}

.sp-section-head p,
.sp-dev-copy p,
.sp-cta p,
.sp-product-grid p,
.sp-flow-grid p,
.sp-address-grid p,
.sp-case-grid p,
.sp-ops-grid p,
.sp-faq p {
    color: var(--muted);
    line-height: 1.78;
}

.sp-product-grid,
.sp-case-grid,
.sp-ops-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.sp-product-grid article,
.sp-case-grid article,
.sp-ops-grid article {
    min-height: 270px;
    padding: 24px;
}

.sp-product-grid article span {
    color: var(--primary);
    font-size: 12px;
    font-weight: 930;
}

.sp-product-grid h3,
.sp-flow-grid h3,
.sp-address-grid h3,
.sp-case-grid h3,
.sp-ops-grid h3 {
    margin: 46px 0 13px;
    color: var(--silver);
    font-size: 24px;
    line-height: 1.18;
}

.sp-product-grid small,
.sp-flow-grid small,
.sp-address-grid small,
.sp-case-grid small,
.sp-ops-grid small {
    color: var(--muted);
    font-size: 13px;
    font-weight: 760;
}

.sp-flow,
.sp-address,
.sp-risk,
.sp-faq {
    border-top: 1px solid var(--line);
}

.sp-flow-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.sp-flow-grid div {
    min-height: 240px;
    padding: 22px;
}

.sp-flow-grid b {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--primary), var(--cyan));
    color: #06100c;
}

.sp-address-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.sp-address-grid article {
    min-height: 230px;
    padding: 24px;
}

.sp-address-grid article.active {
    border-color: color-mix(in srgb, var(--primary) 55%, transparent);
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--primary) 16%, transparent), transparent 58%),
        var(--panel);
}

.sp-developers {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(420px, 1fr);
    gap: clamp(28px, 6vw, 76px);
    align-items: center;
    border-top: 1px solid var(--line);
}

.sp-code-window {
    overflow: hidden;
}

.sp-faq-grid {
    display: grid;
    gap: 12px;
}

.sp-faq summary {
    cursor: pointer;
    color: var(--silver);
    font-weight: 880;
}

.sp-faq details {
    padding: 22px;
}

.sp-faq p {
    margin: 12px 0 0;
}

.sp-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    min-height: 320px;
    margin-bottom: 40px;
    padding: clamp(36px, 6vw, 62px);
}

.sp-cta > div:first-child {
    max-width: 800px;
}

.sp-footer img {
    width: 280px;
}

@media (max-width: 1120px) {
    .sp-hero-inner,
    .sp-developers {
        grid-template-columns: 1fr;
    }

    .sp-logo-lab {
        min-height: 640px;
    }

    .sp-product-grid,
    .sp-case-grid,
    .sp-ops-grid,
    .sp-flow-grid,
    .sp-address-grid,
    .sp-command-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .sp-showcase-head {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 740px) {
    .sp-nav {
        min-height: 76px;
    }

    .sp-brand {
        min-width: 188px;
    }

    .nav-mobile,
    .theme-toggle__label,
    .nav-login {
        display: none;
    }

    .sp-hero-inner,
    .sp-section,
    .sp-cta,
    .sp-footer {
        width: min(100% - 28px, 1320px);
    }

    .sp-hero h1 {
        font-size: clamp(44px, 15vw, 70px);
    }

    .sp-proof,
    .sp-product-grid,
    .sp-case-grid,
    .sp-ops-grid,
    .sp-flow-grid,
    .sp-address-grid,
    .sp-command-grid {
        grid-template-columns: 1fr;
    }

    .sp-showcase {
        width: min(100% - 28px, 1320px);
    }

    .sp-command {
        min-height: auto;
        padding: 16px;
    }

    .sp-command-primary {
        grid-row: auto;
        min-height: 300px;
    }

    .sp-bars {
        height: 150px;
    }

    .sp-logo-lab {
        min-height: 560px;
    }

    .sp-hero-logo {
        width: min(410px, 94%);
    }

    .sp-live-card {
        min-width: 150px;
        padding: 12px;
    }

    .sp-live-a { top: 30px; left: 14px; }
    .sp-live-b { top: 70px; right: 14px; }
    .sp-live-c { right: 14px; bottom: 22px; width: 210px; }

    .sp-product-grid article,
    .sp-case-grid article,
    .sp-ops-grid article {
        min-height: 220px;
    }

    .sp-cta,
    .sp-footer {
        align-items: flex-start;
        flex-direction: column;
    }
}