:root {
    --ink: #0a0f1f;
    --muted: #4b5563;
    --subtle: #9aa6b2;
    --bg: #f6f2ee;
    --card: #ffffff;
    --accent: #e15b2a;
    --accent-dark: #b54118;
    --accent-soft: rgba(225, 91, 42, 0.12);
    --border: rgba(10, 15, 31, 0.12);
    --shadow: 0 20px 55px rgba(10, 15, 31, 0.16);
    --rose: #f7d9cf;
    --copper: #ffb087;
}

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

body {
    font-family: "HarmonyOS Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.7;
}

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

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

.container {
    width: min(1200px, 92%);
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(244, 247, 249, 0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
}

.brand-logo {
    width: 36px;
    height: 36px;
}

.brand-name {
    letter-spacing: 2px;
}

.nav {
    display: flex;
    gap: 20px;
    font-size: 14px;
    color: var(--muted);
}

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

.nav a {
    position: relative;
    padding-bottom: 4px;
}

.nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.2s ease;
}

.nav a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    gap: 6px;
    flex-direction: column;
}

.menu-toggle span {
    width: 26px;
    height: 2px;
    background: var(--ink);
}

.hero {
    padding: 70px 0 50px;
    background: radial-gradient(circle at top right, rgba(255, 176, 135, 0.35), transparent 55%),
        radial-gradient(circle at 10% 20%, rgba(247, 217, 207, 0.5), transparent 50%),
        linear-gradient(130deg, #fff5ef, #ffffff 60%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 40px;
    align-items: center;
}

.pill {
    display: inline-flex;
    align-items: center;
    background: var(--accent-soft);
    color: var(--accent-dark);
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 18px;
}

.hero h1 {
    font-size: 46px;
    line-height: 1.15;
    margin-bottom: 18px;
}

.hero .accent {
    color: var(--accent);
}

.lead {
    color: var(--muted);
    margin-bottom: 24px;
}

.hero-actions {
    display: flex;
    gap: 14px;
    margin-bottom: 26px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 26px;
    border-radius: 10px;
    font-weight: 600;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.btn.primary {
    background: var(--accent);
    color: white;
    box-shadow: 0 18px 45px rgba(225, 91, 42, 0.35);
}

.btn.primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
}

.btn.ghost {
    border-color: var(--accent);
    color: var(--accent);
    background: transparent;
    box-shadow: inset 0 0 0 1px rgba(225, 91, 42, 0.25);
}

.hero-meta {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.meta-card {
    background: white;
    border: 1px solid var(--border);
    padding: 14px;
    border-radius: 12px;
}

.meta-value {
    font-weight: 700;
    font-size: 20px;
    color: var(--accent-dark);
}

.meta-label {
    font-size: 12px;
    color: var(--subtle);
}

.hero-media {
    display: grid;
    gap: 16px;
}

.hero-frame {
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.hero-note {
    background: white;
    border: 1px solid var(--border);
    padding: 16px;
    border-radius: 16px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.hero-note:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.trust-strip {
    padding: 30px 0 10px;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.trust-item {
    background: white;
    border-radius: 14px;
    padding: 18px;
    border: 1px solid var(--border);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.trust-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
}

.section {
    padding: 70px 0;
}

.proof {
    background: #fff8f4;
}

.network {
    background: #ffffff;
}

.snapshot {
    background: #fff3ec;
}

.partners {
    background: #fff8f1;
}

.insights {
    background: #ffffff;
}

.roadmap {
    background: #fff7f2;
}

.roadmap-progress {
    margin: 18px 0 28px;
    display: grid;
    gap: 12px;
}

.progress-track {
    position: relative;
    height: 10px;
    background: rgba(225, 91, 42, 0.15);
    border-radius: 999px;
    overflow: hidden;
}

.progress-fill {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    background: linear-gradient(90deg, #e15b2a, #ff9a6a);
    border-radius: 999px;
}

.progress-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    font-size: 12px;
    color: var(--subtle);
}

.progress-steps span {
    position: relative;
    padding-left: 14px;
}

.progress-steps span::before {
    content: "";
    position: absolute;
    left: 0;
    top: 6px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--subtle);
}

.progress-steps span.active {
    color: var(--accent-dark);
    font-weight: 600;
}

.progress-steps span.active::before {
    background: var(--accent);
}

.roadmap-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.roadmap-card {
    background: white;
    border-radius: 14px;
    padding: 18px;
    border: 1px solid var(--border);
    display: grid;
    gap: 8px;
    position: relative;
}

.roadmap-card::after {
    content: attr(data-tip);
    position: absolute;
    left: 16px;
    bottom: calc(100% + 10px);
    background: #0f172a;
    color: #ffffff;
    padding: 8px 12px;
    border-radius: 10px;
    font-size: 12px;
    width: min(240px, 90%);
    opacity: 0;
    transform: translateY(8px);
    pointer-events: none;
    transition: all 0.2s ease;
    box-shadow: 0 12px 26px rgba(15, 23, 42, 0.2);
}

.roadmap-card:hover::after {
    opacity: 1;
    transform: translateY(0);
}

.roadmap-card span {
    font-size: 12px;
    color: var(--accent-dark);
}

.compliance {
    background: #ffffff;
}

.compliance-grid,
.developers-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
}

.compliance-copy,
.developers-copy {
    display: grid;
    gap: 18px;
}

.compliance-list {
    margin-top: 4px;
}

.compliance-item,
.developers-item {
    background: white;
    border-radius: 16px;
    padding: 16px 18px;
    border: 1px solid var(--border);
    box-shadow: 0 10px 22px rgba(15, 23, 42, 0.06);
}

.compliance-media,
.developers-media {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px;
    background: #f5efea;
    border-radius: 22px;
    min-height: 360px;
    position: relative;
    overflow: hidden;
}

.compliance-media::before,
.developers-media::before {
    content: "";
    position: absolute;
    width: 220px;
    height: 220px;
    right: -40px;
    top: -40px;
    background: radial-gradient(circle, rgba(225, 91, 42, 0.25), transparent 70%);
    filter: blur(4px);
}

.compliance-media::after,
.developers-media::after {
    content: "";
    position: absolute;
    width: 180px;
    height: 180px;
    left: -30px;
    bottom: -30px;
    background: radial-gradient(circle, rgba(255, 176, 135, 0.35), transparent 70%);
    filter: blur(2px);
}

.compliance-image,
.developers-image {
    width: min(420px, 100%);
    height: auto;
    border-radius: 18px;
    box-shadow: var(--shadow);
    object-fit: contain;
    position: relative;
    z-index: 1;
}

.compliance-timeline {
    display: grid;
    gap: 14px;
    margin-top: 8px;
}

.timeline-item {
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 14px;
    padding: 14px 16px;
    background: #fff8f4;
    border-radius: 14px;
    border: 1px solid var(--border);
}

.timeline-date {
    font-weight: 700;
    color: var(--accent-dark);
    font-size: 13px;
}

.compliance-list,
.developers-list {
    display: grid;
    gap: 12px;
    margin-top: 16px;
}

.governance {
    background: #fff3ec;
}

.governance-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.governance-card {
    background: white;
    border-radius: 14px;
    padding: 18px;
    border: 1px solid var(--border);
}

.proposal-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 16px 0 6px;
}

.filter-chip {
    border: 1px solid var(--border);
    background: white;
    color: var(--muted);
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-chip.active,
.filter-chip:hover {
    border-color: var(--accent);
    color: var(--accent-dark);
    background: var(--accent-soft);
}

.proposal-list {
    margin-top: 22px;
    display: grid;
    gap: 12px;
}

.proposal-item {
    background: white;
    border-radius: 14px;
    padding: 16px 18px;
    border: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.proposal-status {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--accent);
}

.status-discuss {
    background: #f59e0b;
}

.status-vote {
    background: #e15b2a;
}

.status-plan {
    background: #64748b;
}

.proposal-tag {
    background: var(--accent-soft);
    color: var(--accent-dark);
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 12px;
    white-space: nowrap;
}

.section-head {
    margin-bottom: 32px;
}

.section-head h2,
.section h2 {
    font-size: 32px;
    margin-bottom: 10px;
}

.section-head p,
.section p {
    color: var(--muted);
}

.proof-grid,
.network-grid,
.snapshot-grid,
.security-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 34px;
    align-items: center;
}

.proof-list {
    display: grid;
    gap: 14px;
}

.proof-item {
    background: white;
    border-radius: 12px;
    padding: 16px;
    border: 1px solid var(--border);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.proof-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.proof-media {
    position: relative;
}

.proof-image {
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.proof-card {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: white;
    border-radius: 12px;
    padding: 12px 16px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.chain-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 18px 0;
}

.chain-chips span {
    background: var(--accent-soft);
    color: var(--accent-dark);
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 12px;
}

.network-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.network-stats div {
    background: white;
    border-radius: 12px;
    padding: 14px;
    border: 1px solid var(--border);
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.case-card {
    background: white;
    border-radius: 16px;
    padding: 20px;
    border: 1px solid var(--border);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.case-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
}

.snapshot-image {
    border-radius: 18px;
    box-shadow: var(--shadow);
}

.snapshot-copy ul {
    margin-top: 12px;
    padding-left: 18px;
    color: var(--muted);
}

.network-image {
    border-radius: 18px;
    box-shadow: var(--shadow);
}

.hero-image {
    width: 100%;
    height: auto;
}

.wallet-hub {
    background: #ecf6f6;
}

.wallet-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.wallet-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 14px;
}

.wallet-trust span {
    background: #ffffff;
    border: 1px solid var(--border);
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 12px;
    color: var(--accent-dark);
}

.download-modal {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 2000;
}

.download-modal.active {
    opacity: 1;
    pointer-events: auto;
}

.download-dialog {
    background: #ffffff;
    color: var(--ink);
    border-radius: 20px;
    padding: 26px;
    width: min(620px, 94vw);
    box-shadow: 0 30px 70px rgba(10, 15, 31, 0.25);
    position: relative;
    border: 1px solid rgba(10, 15, 31, 0.08);
}

.download-dialog::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 20px;
    background: radial-gradient(circle at top right, rgba(255, 176, 135, 0.28), transparent 55%),
        radial-gradient(circle at bottom left, rgba(225, 91, 42, 0.12), transparent 60%);
    z-index: -1;
}

.download-header {
    display: flex;
    gap: 14px;
    align-items: center;
    margin-bottom: 6px;
}

.download-shield {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(225, 91, 42, 0.2), rgba(255, 176, 135, 0.2));
    color: var(--accent-dark);
    display: grid;
    place-items: center;
    font-weight: 700;
    font-size: 18px;
}

.download-eyebrow {
    font-size: 12px;
    color: var(--accent-dark);
    font-weight: 600;
}

.download-sub {
    color: var(--muted);
    margin: 10px 0 18px;
}

.download-panels {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 14px;
    margin-bottom: 16px;
}

.download-panel {
    border-radius: 14px;
    padding: 14px 16px;
    background: #ffffff;
    border: 1px solid var(--border);
    box-shadow: 0 10px 22px rgba(15, 23, 42, 0.06);
}

.download-panel.subtle {
    background: #fff8f4;
}

.download-panel h4 {
    font-size: 14px;
    margin-bottom: 8px;
}

.download-panel ul {
    padding-left: 18px;
    color: var(--muted);
    display: grid;
    gap: 6px;
    font-size: 13px;
}

.download-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.download-tags span {
    background: rgba(225, 91, 42, 0.12);
    color: var(--accent-dark);
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 11px;
}

.download-url {
    background: #111827;
    color: #f8fafc;
    border-radius: 12px;
    padding: 10px 12px;
    font-size: 12px;
    word-break: break-all;
    margin-bottom: 16px;
}

.download-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.modal-close {
    position: absolute;
    right: 14px;
    top: 12px;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 10px;
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    color: var(--muted);
    font-size: 18px;
    cursor: pointer;
}

.modal-close:hover {
    color: var(--accent-dark);
    border-color: var(--accent);
}

.wallet-card {
    background: white;
    border-radius: 16px;
    padding: 18px;
    border: 1px solid var(--border);
    display: grid;
    gap: 10px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
}

.wallet-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
}

.wallet-top {
    display: flex;
    align-items: center;
    gap: 12px;
}

.wallet-top h3 {
    font-size: 18px;
}

.wallet-logo {
    width: 76px;
    height: 76px;
    object-fit: contain;
    background: #ffffff;
    border-radius: 18px;
    padding: 10px;
    border: 1px solid rgba(225, 91, 42, 0.18);
    box-shadow: inset 0 0 0 1px rgba(255, 176, 135, 0.2);
}

.wallet-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 6px;
    font-size: 12px;
    color: var(--accent-dark);
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid rgba(225, 91, 42, 0.4);
    background: rgba(225, 91, 42, 0.08);
}

.wallet-desc {
    color: var(--muted);
    font-size: 14px;
}

.security-image {
    border-radius: 18px;
    box-shadow: var(--shadow);
}

.security-list {
    display: grid;
    gap: 14px;
}

.security-list div {
    background: white;
    padding: 14px;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.logo-wall {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
    align-items: center;
}

.logo-wall img {
    width: 100%;
    max-height: 40px;
    object-fit: contain;
    filter: grayscale(1);
    opacity: 0.7;
}

.logo-wall img:hover {
    filter: grayscale(0);
    opacity: 1;
}

.insight-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.insight-grid article {
    background: white;
    border-radius: 16px;
    padding: 18px;
    border: 1px solid var(--border);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.insight-grid article:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
}

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.in-view {
    opacity: 1;
    transform: translateY(0);
}

.insight-grid img {
    border-radius: 12px;
    margin-bottom: 12px;
}

.dev-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.dev-card {
    background: white;
    border-radius: 14px;
    padding: 14px 16px;
    border: 1px solid var(--border);
    display: grid;
    gap: 6px;
}

.dev-card span {
    font-size: 12px;
    color: var(--subtle);
}

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

.faq-item {
    background: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px 16px;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
}

.faq-question span {
    color: var(--accent-dark);
    font-size: 18px;
}

.faq-answer {
    display: none;
    color: var(--muted);
    margin-top: 10px;
}

.faq-item.active .faq-answer {
    display: block;
}

.cta {
    padding: 60px 0;
    background: linear-gradient(120deg, #e15b2a, #ff824f);
    color: white;
}

.cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.site-footer {
    padding: 40px 0 20px;
    background: #0b1224;
    color: #cbd5f5;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 36px;
    padding-bottom: 28px;
    border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.footer-brand-block {
    display: grid;
    gap: 14px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo {
    width: 34px;
    height: 34px;
}

.footer-note {
    color: #a8b3cc;
    max-width: 420px;
}

.footer-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.footer-badges span {
    border: 1px solid rgba(148, 163, 184, 0.4);
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 12px;
    color: #e2e8f0;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.footer-links h5 {
    font-size: 14px;
    margin-bottom: 8px;
    color: #f1f5f9;
}

.footer-links a {
    display: block;
    margin-top: 6px;
    font-size: 13px;
    color: #cbd5f5;
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-bottom {
    text-align: center;
    font-size: 12px;
    color: #94a3b8;
    padding-top: 18px;
}

@media (max-width: 1024px) {
    .hero-grid,
    .proof-grid,
    .network-grid,
    .snapshot-grid,
    .security-grid,
    .compliance-grid,
    .developers-grid {
        grid-template-columns: 1fr;
    }

    .hero-actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .case-grid,
    .wallet-grid,
    .insight-grid,
    .governance-grid,
    .dev-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .logo-wall,
    .roadmap-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .footer-top {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        position: absolute;
        top: 70px;
        right: 4%;
        background: white;
        border: 1px solid var(--border);
        border-radius: 12px;
        padding: 16px;
        display: none;
        flex-direction: column;
        gap: 12px;
    }

    .nav.active {
        display: flex;
    }

    .menu-toggle {
        display: flex;
    }

    .hero h1 {
        font-size: 32px;
    }

    .trust-grid,
    .case-grid,
    .wallet-grid,
    .insight-grid,
    .logo-wall,
    .roadmap-grid,
    .governance-grid,
    .dev-cards,
    .footer-links {
        grid-template-columns: 1fr;
    }

    .cta-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .progress-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .download-panels {
        grid-template-columns: 1fr;
    }
}