* {
    box-sizing: border-box;
}

:root {
    --bg: #020408;
    --surface: #060d1a;
    --surface-strong: #0a1426;
    --gold: #9e8448;
    --gold-dim: #7a683e;
    --text-main: #dce3ed;
    --text-dim: #5e7088;
    --border: rgba(158, 132, 72, 0.10);
    --shadow: 0 32px 80px rgba(0, 0, 0, 0.50);
}

html, body {
    margin: 0;
    min-height: 100%;
    background: radial-gradient(ellipse at 25% 8%, rgba(158, 132, 72, 0.07), transparent 55%),
                radial-gradient(ellipse at 80% 90%, rgba(158, 132, 72, 0.03), transparent 45%),
                linear-gradient(180deg, #010205 0%, #020408 100%);
    color: var(--text-main);
    font-family: "Inter", "PingFang HK", "Helvetica Neue", Arial, sans-serif;
}

body {
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
}

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

button,
input,
textarea {
    font: inherit;
}

.page-shell {
    width: min(1200px, calc(100% - 48px));
    margin: 0 auto;
    padding: 36px 0 80px;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 12px 0 48px;
}

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

.brandmark .logo {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: rgba(158, 132, 72, 0.25);
    border: 1px solid rgba(158, 132, 72, 0.20);
}

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

.brandmark .brand-name strong {
    font-size: 15px;
    letter-spacing: 0.40em;
    text-transform: uppercase;
    font-weight: 400;
    color: var(--gold-dim);
}

.brandmark .brand-name span {
    font-size: 11px;
    color: var(--text-dim);
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.site-nav {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    align-items: center;
    font-size: 12px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.site-nav a {
    color: var(--text-dim);
    transition: color 0.35s ease;
}

.lang-switch {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-left: auto;
}

.lang-btn {
    min-width: 64px;
    min-height: 36px;
    padding: 0 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    background: transparent;
    color: var(--text-dim);
    font-size: 11px;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.35s ease;
}

.lang-btn.active,
.lang-btn:hover {
    color: var(--gold-dim);
    border-color: rgba(158, 132, 72, 0.25);
}

.site-nav a:hover,
.site-nav a.active {
    color: var(--gold-dim);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.9fr;
    gap: 48px;
    align-items: center;
    margin-top: 32px;
}

.hero-copy {
    max-width: 640px;
}

.hero-copy h1 {
    margin: 0;
    font-size: clamp(40px, 3.8vw, 64px);
    line-height: 1.05;
    letter-spacing: 0.20em;
    text-transform: uppercase;
    font-weight: 300;
}

.hero-copy h2 {
    margin: 32px 0 0;
    font-size: 22px;
    max-width: 620px;
    line-height: 1.85;
    font-weight: 300;
    color: var(--text-dim);
}

.hero-copy p {
    margin: 40px 0 0;
    max-width: 580px;
    font-size: 15px;
    line-height: 2.0;
    color: var(--text-dim);
}

.hero-actions {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    margin-top: 36px;
}

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 32px;
    border-radius: 999px;
    border: 1px solid transparent;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.3s ease;
}

.btn-primary {
    background: rgba(158, 132, 72, 0.18);
    border-color: rgba(158, 132, 72, 0.30);
    color: var(--gold);
}

.btn-primary:hover {
    background: rgba(158, 132, 72, 0.28);
    border-color: rgba(158, 132, 72, 0.50);
}

.btn-secondary {
    background: transparent;
    color: var(--text-dim);
    border-color: rgba(255, 255, 255, 0.06);
}

.btn-secondary:hover {
    color: var(--text-main);
    border-color: rgba(255, 255, 255, 0.14);
}

.hero-visual {
    display: grid;
    gap: 20px;
}

.visual-card {
    position: relative;
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 32px;
    padding: 36px;
    box-shadow: none;
}

.visual-card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 32px;
    background: radial-gradient(circle at top right, rgba(158, 132, 72, 0.08), transparent 40%);
    pointer-events: none;
}

.visual-card h3 {
    margin: 0 0 14px;
    font-size: 15px;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--gold);
    font-weight: 400;
}

.visual-card p {
    margin: 0;
    font-size: 14px;
    line-height: 1.9;
    color: var(--text-dim);
}

.strategy-panel {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 80px;
}

.strategy-tile {
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.02);
    padding: 36px 32px;
    border: 1px solid rgba(255, 255, 255, 0.035);
    box-shadow: none;
}

.strategy-tile h3 {
    margin: 0 0 18px;
    font-size: 13px;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--gold-dim);
    font-weight: 400;
}

.strategy-tile p {
    margin: 0;
    font-size: 14px;
    line-height: 1.85;
    color: var(--text-dim);
}

.market-banner {
    margin-top: 64px;
    padding: 28px 36px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid rgba(255, 255, 255, 0.04);
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 28px;
    align-items: center;
}

.market-banner span {
    font-size: 11px;
    color: var(--gold-dim);
    letter-spacing: 0.24em;
    text-transform: uppercase;
}

.market-banner strong {
    display: block;
    margin-top: 10px;
    font-size: 17px;
    color: var(--text-main);
    line-height: 1.5;
    font-weight: 400;
}

.site-footer {
    margin-top: 100px;
    display: flex;
    justify-content: flex-end;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding-top: 32px;
    color: rgba(255, 255, 255, 0.30);
    font-size: 12px;
}

.site-footer .footer-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    text-align: right;
    gap: 6px;
    color: rgba(255, 255, 255, 0.30);
}

.site-footer .footer-meta a {
    color: rgba(255, 255, 255, 0.22);
    text-decoration: none;
    transition: color 0.3s ease;
}

.site-footer .footer-meta a:hover {
    color: var(--gold-dim);
}

@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .strategy-panel {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .hero-visual {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 680px) {
    .page-shell {
        width: min(100%, calc(100% - 28px));
        padding: 24px 0 56px;
    }

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

    .site-nav {
        gap: 18px;
    }

    .hero-copy h1 {
        font-size: clamp(28px, 9vw, 38px);
    }

    .market-banner {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .hero-visual {
        grid-template-columns: 1fr;
    }

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