:root {
    --bg-1: #06120e;
    --bg-2: #0b1d17;
    --panel: rgba(11, 29, 23, 0.78);
    --panel-strong: rgba(15, 36, 28, 0.92);
    --line: rgba(214, 186, 112, 0.18);
    --line-strong: rgba(214, 186, 112, 0.28);
    --text: #eef6ef;
    --muted: rgba(238, 246, 239, 0.72);
    --gold: #d6ba70;
    --gold-soft: #f0dfaa;
    --green: #6fb674;
    --green-deep: #2e8755;
    --red: #bb6746;
    --shadow: 0 26px 80px rgba(0, 0, 0, 0.36);
    --radius-xl: 30px;
    --radius-lg: 22px;
    --radius-md: 16px;
    --page-width: 1200px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    font-family: "Trebuchet MS", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background:
        radial-gradient(circle at 8% 10%, rgba(111, 182, 116, 0.22), transparent 30%),
        radial-gradient(circle at 88% 12%, rgba(214, 186, 112, 0.18), transparent 24%),
        radial-gradient(circle at 75% 75%, rgba(46, 135, 85, 0.14), transparent 26%),
        linear-gradient(180deg, var(--bg-2) 0%, var(--bg-1) 55%, #040c09 100%);
}

body::before,
body::after {
    content: "";
    position: fixed;
    width: 34vw;
    height: 34vw;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.34;
    pointer-events: none;
    z-index: 0;
}

body::before {
    top: -10vw;
    left: -10vw;
    background: rgba(111, 182, 116, 0.3);
}

body::after {
    right: -12vw;
    bottom: -12vw;
    background: rgba(214, 186, 112, 0.18);
}

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

.page-shell {
    position: relative;
    z-index: 1;
    width: min(calc(100% - 32px), var(--page-width));
    margin: 0 auto;
    padding: 24px 0 48px;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
    padding: 6px 0 28px;
}

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

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 18px;
    background:
        linear-gradient(135deg, var(--gold), var(--gold-soft));
    color: #08140f;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1.8rem;
    font-weight: 700;
    box-shadow: 0 20px 34px rgba(214, 186, 112, 0.26);
}

.brand-text {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.brand-text strong {
    font-size: 1.08rem;
    letter-spacing: 0.1em;
}

.brand-text small {
    color: var(--muted);
    font-size: 0.88rem;
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.site-nav a {
    color: var(--muted);
    font-size: 0.95rem;
    transition: color 180ms ease, transform 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
    color: var(--text);
    transform: translateY(-1px);
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
    gap: 26px;
    padding: 18px 0 10px;
}

.hero-copy,
.hero-panel,
.section,
.contact-card {
    border: 1px solid var(--line);
    background:
        linear-gradient(180deg, rgba(17, 39, 30, 0.88), rgba(8, 20, 15, 0.94));
    box-shadow: var(--shadow);
    backdrop-filter: blur(12px);
}

.hero-copy,
.hero-panel {
    padding: 38px;
    border-radius: var(--radius-xl);
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--gold);
    font-size: 0.82rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    padding: 0 14px;
    border: 1px solid rgba(214, 186, 112, 0.22);
    border-radius: 999px;
    background: rgba(214, 186, 112, 0.1);
    color: var(--gold-soft);
    font-size: 0.92rem;
}

.hero h1,
.section-heading h2,
.contact-card h2 {
    margin: 18px 0 0;
    font-family: Georgia, "Times New Roman", "Source Han Serif SC", serif;
    font-weight: 700;
    line-height: 1.1;
}

.hero h1 {
    max-width: 10ch;
    font-size: clamp(2.4rem, 5vw, 4.7rem);
}

.hero-text,
.section-heading p,
.chain-card p,
.matrix-card p,
.domain-card p,
.contact-card p,
.bullet-list li {
    color: var(--muted);
    line-height: 1.85;
}

.hero-text {
    max-width: 62ch;
    margin: 20px 0 0;
    font-size: 1.03rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 30px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 22px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-2px);
}

.button-primary {
    color: #08140f;
    border-color: transparent;
    background: linear-gradient(135deg, var(--gold), var(--gold-soft));
    box-shadow: 0 18px 30px rgba(214, 186, 112, 0.24);
    font-weight: 700;
}

.button-secondary {
    background: rgba(255, 255, 255, 0.04);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin: 34px 0 0;
}

.hero-stats div {
    padding: 18px 16px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.hero-stats dt {
    margin-bottom: 10px;
    color: var(--gold);
    font-size: 0.9rem;
    font-weight: 800;
    letter-spacing: 0.12em;
}

.hero-stats dd {
    margin: 0;
    line-height: 1.7;
}

.hero-panel {
    display: grid;
    gap: 18px;
    align-content: center;
    background:
        radial-gradient(circle at top right, rgba(111, 182, 116, 0.16), transparent 36%),
        linear-gradient(180deg, rgba(17, 39, 30, 0.96), rgba(8, 20, 15, 0.94));
}

.panel-card {
    padding: 22px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.07);
}

.panel-accent {
    background:
        linear-gradient(135deg, rgba(214, 186, 112, 0.12), rgba(111, 182, 116, 0.08)),
        rgba(255, 255, 255, 0.04);
}

.card-label,
.matrix-tag,
.chain-index,
.domain-name {
    display: inline-flex;
    margin: 0 0 12px;
    color: var(--gold);
    font-size: 0.84rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.flow-chart {
    display: grid;
    gap: 14px;
}

.flow-node {
    padding: 18px;
    border-radius: 18px;
    background: rgba(0, 0, 0, 0.14);
    border: 1px solid rgba(214, 186, 112, 0.14);
}

.flow-node strong {
    display: block;
    font-size: 1.05rem;
}

.flow-node span {
    display: block;
    margin-top: 8px;
    color: var(--muted);
    line-height: 1.75;
}

.flow-arrow {
    text-align: center;
    color: var(--muted);
    font-size: 1.5rem;
}

.bullet-list {
    margin: 0;
    padding-left: 1.1rem;
}

.section {
    margin-top: 24px;
    padding: 34px;
    border-radius: var(--radius-xl);
}

.section-heading {
    max-width: 760px;
}

.section-heading p {
    margin: 16px 0 0;
}

.chain-grid,
.matrix-grid,
.domain-grid {
    display: grid;
    gap: 18px;
    margin-top: 28px;
}

.chain-grid,
.matrix-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.domain-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.chain-card,
.matrix-card,
.domain-card {
    padding: 24px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.07);
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.chain-card:hover,
.matrix-card:hover,
.domain-card:hover {
    transform: translateY(-4px);
    border-color: var(--line-strong);
    background: rgba(255, 255, 255, 0.06);
}

.chain-card h3,
.matrix-card h3,
.domain-card strong {
    margin: 0;
    font-size: 1.2rem;
}

.chain-card p,
.matrix-card p,
.domain-card p {
    margin: 12px 0 0;
}

.accent-green {
    background:
        linear-gradient(180deg, rgba(111, 182, 116, 0.16), rgba(255, 255, 255, 0.04)),
        rgba(255, 255, 255, 0.04);
}

.accent-gold {
    background:
        linear-gradient(180deg, rgba(214, 186, 112, 0.16), rgba(255, 255, 255, 0.04)),
        rgba(255, 255, 255, 0.04);
}

.accent-red {
    background:
        linear-gradient(180deg, rgba(187, 103, 70, 0.16), rgba(255, 255, 255, 0.04)),
        rgba(255, 255, 255, 0.04);
}

.featured {
    background:
        linear-gradient(135deg, rgba(214, 186, 112, 0.18), rgba(111, 182, 116, 0.1)),
        rgba(255, 255, 255, 0.04);
}

.contact-section {
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
}

.contact-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 24px;
    align-items: center;
    padding: 34px;
    border-radius: var(--radius-xl);
}

.contact-items {
    display: grid;
    gap: 12px;
    min-width: min(100%, 360px);
}

.contact-items a {
    display: inline-flex;
    align-items: center;
    min-height: 54px;
    padding: 0 18px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.site-footer {
    padding: 28px 0 12px;
    color: rgba(238, 246, 239, 0.56);
    text-align: center;
    font-size: 0.92rem;
}

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

    .chain-grid,
    .matrix-grid,
    .domain-grid,
    .contact-card {
        grid-template-columns: 1fr 1fr;
    }

    .contact-card > :first-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 720px) {
    .page-shell {
        width: min(calc(100% - 20px), var(--page-width));
        padding-top: 16px;
    }

    .site-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .site-nav {
        display: grid;
        width: 100%;
        gap: 10px;
    }

    .hero-copy,
    .hero-panel,
    .section,
    .contact-card {
        padding: 24px 20px;
    }

    .hero h1 {
        max-width: none;
        font-size: clamp(2.1rem, 10vw, 3rem);
    }

    .hero-actions {
        flex-direction: column;
    }

    .button {
        width: 100%;
    }

    .hero-stats,
    .chain-grid,
    .matrix-grid,
    .domain-grid,
    .contact-card {
        grid-template-columns: 1fr;
    }

    .flow-arrow {
        transform: rotate(90deg);
    }

    .contact-items {
        min-width: 0;
    }
}