:root {
    color-scheme: dark;
    --bg: #06110d;
    --bg-soft: #0a1712;
    --panel: rgba(15, 28, 22, 0.9);
    --panel-strong: rgba(19, 37, 29, 0.96);
    --text: #f3efdf;
    --muted: #a6b0a5;
    --line: rgba(67, 214, 158, 0.28);
    --line-strong: rgba(67, 214, 158, 0.58);
    --gold: #e7bc57;
    --green: #43d69e;
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.32);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at top left, rgba(67, 214, 158, 0.15), transparent 28rem),
        radial-gradient(circle at 85% 15%, rgba(231, 188, 87, 0.08), transparent 20rem),
        linear-gradient(180deg, #08160f 0%, var(--bg) 100%);
    color: var(--text);
    font-family: "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
}

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

input,
textarea,
button {
    font: inherit;
}

code {
    font-family: "Consolas", "SFMono-Regular", monospace;
}

.site-shell {
    width: min(1160px, calc(100vw - 32px));
    margin: 0 auto;
    padding: 24px 0 56px;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 44px;
}

.brand {
    display: inline-flex;
    align-items: center;
    min-height: 42px;
    padding: 0 14px;
    border: 1px solid rgba(231, 188, 87, 0.35);
    border-radius: 999px;
    background: rgba(9, 18, 14, 0.6);
    font-weight: 800;
    font-size: 14px;
    letter-spacing: 0.03em;
    white-space: nowrap;
}

.nav-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px;
}

.nav-links a {
    min-height: 40px;
    padding: 10px 14px;
    border-radius: 999px;
    color: var(--muted);
    transition: color 140ms ease, background 140ms ease;
}

.nav-links a.active,
.nav-links a:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.05);
}

.hero {
    padding: 20px 0 8px;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.9fr);
    gap: 24px;
    align-items: stretch;
}

.eyebrow {
    margin: 0 0 10px;
    color: var(--green);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.hero-copy,
.panel,
.card,
.flow-step,
.fair-play-box,
.faq-list details {
    border: 1px solid var(--line);
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(18, 31, 24, 0.92), rgba(11, 21, 17, 0.94));
    box-shadow: var(--shadow);
}

.hero-copy {
    padding: 36px;
}

.hero-copy h1 {
    margin: 0 0 18px;
    font-size: clamp(36px, 6vw, 64px);
    line-height: 1.06;
    letter-spacing: -0.03em;
}

.lead {
    max-width: 42rem;
    margin: 0;
    color: var(--muted);
    font-size: 17px;
    line-height: 1.85;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 26px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 18px;
    border-radius: 12px;
    border: 1px solid transparent;
    font-weight: 800;
    transition: transform 100ms ease, filter 140ms ease, border-color 140ms ease;
}

.button:hover {
    filter: brightness(1.06);
}

.button:active {
    transform: translateY(1px);
}

.button.primary {
    background: var(--gold);
    color: #171003;
}

.button.secondary {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text);
    border-color: var(--line-strong);
}

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

.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(18, 31, 24, 0.92), rgba(11, 21, 17, 0.94));
    box-shadow: var(--shadow);
    min-height: 220px;
}

.hero-visual img {
    display: block;
    width: 100%;
    max-width: 420px;
    height: auto;
    image-rendering: auto;
}

.panel {
    padding: 22px;
}

.panel-label {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--gold);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.panel strong {
    display: block;
    margin-bottom: 8px;
    font-size: 22px;
}

.panel p,
.card p,
.flow-step p,
.fair-play-box p,
.faq-list p,
.footer p {
    margin: 0;
    color: var(--muted);
    line-height: 1.8;
}

.content {
    display: grid;
    gap: 22px;
    margin-top: 24px;
}

.subhero {
    padding: 28px 0 8px;
}

.subhero-copy,
.link-card,
.section-card,
.cta-strip {
    border: 1px solid var(--line);
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(18, 31, 24, 0.92), rgba(11, 21, 17, 0.94));
    box-shadow: var(--shadow);
}

.subhero-copy {
    padding: 30px;
}

.subhero-copy h1 {
    margin: 0 0 16px;
    font-size: clamp(30px, 5vw, 54px);
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.page-stack {
    display: grid;
    gap: 18px;
}

.link-card-grid,
.detail-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.link-card,
.section-card {
    padding: 22px;
}

.link-card {
    display: block;
    transition: transform 120ms ease, border-color 140ms ease, background 140ms ease;
}

.link-card:hover {
    transform: translateY(-2px);
    border-color: var(--line-strong);
    background: linear-gradient(180deg, rgba(22, 37, 29, 0.96), rgba(12, 22, 18, 0.98));
}

.card-kicker {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--gold);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.12em;
}

.link-card strong,
.section-card h2,
.section-card h3 {
    display: block;
    margin: 0 0 10px;
}

.link-card strong {
    font-size: 22px;
}

.section-card h2 {
    font-size: clamp(22px, 3vw, 34px);
}

.section-card h3 {
    font-size: 20px;
}

.link-card p,
.section-card p,
.section-card li,
.cta-strip p {
    margin: 0;
    color: var(--muted);
    line-height: 1.8;
}

.section-card ul {
    margin: 14px 0 0;
    padding-left: 18px;
}

.cta-strip {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 18px;
    align-items: center;
    padding: 24px;
}

.cta-strip h2 {
    margin: 0 0 10px;
    font-size: clamp(22px, 3vw, 34px);
}

.site-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.site-form-field {
    display: grid;
    gap: 8px;
}

.site-form-field-full {
    grid-column: 1 / -1;
}

.site-form-field label {
    color: var(--gold);
    font-weight: 700;
}

.site-form-field input,
.site-form-field textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(8, 17, 13, 0.95);
    color: var(--text);
    padding: 14px 16px;
    outline: none;
}

.site-form-field textarea {
    resize: vertical;
}

.site-form-field input:focus,
.site-form-field textarea:focus {
    border-color: var(--line-strong);
    box-shadow: 0 0 0 3px rgba(67, 214, 158, 0.14);
}

.site-inline-note {
    margin: 14px 0 0;
    color: var(--muted);
    line-height: 1.8;
}

.site-inline-note:empty {
    display: none;
}

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

.community-post,
.community-empty {
    padding: 18px 20px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.07);
}

.community-post-header {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
    color: var(--gold);
    font-size: 14px;
    font-weight: 700;
}

.community-post p,
.community-empty {
    margin: 0;
    color: var(--muted);
    line-height: 1.8;
    white-space: pre-wrap;
    word-break: break-word;
}

.section {
    padding: 18px 0 0;
}

.section-heading {
    margin-bottom: 18px;
}

.section-heading h2 {
    margin: 0;
    font-size: clamp(24px, 4vw, 38px);
    line-height: 1.15;
}

.card-grid,
.flow-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.card,
.flow-step {
    padding: 22px;
}

.card h3,
.flow-step strong {
    display: block;
    margin-bottom: 10px;
    font-size: 20px;
}

.flow-step span {
    display: inline-block;
    margin-bottom: 14px;
    color: var(--gold);
    font-weight: 800;
    font-size: 28px;
}

.fair-play-box {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) auto;
    gap: 18px;
    align-items: center;
    padding: 24px;
}

.route-list {
    margin: 16px 0 0;
    padding-left: 18px;
    color: var(--muted);
    line-height: 1.85;
}

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

.faq-list details {
    padding: 18px 20px;
}

.faq-list summary {
    cursor: pointer;
    font-weight: 700;
    list-style: none;
}

.faq-list summary::-webkit-details-marker {
    display: none;
}

.faq-list details[open] summary {
    margin-bottom: 12px;
    color: var(--gold);
}

.footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px 18px;
    margin-top: 32px;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

@media (max-width: 900px) {
    .hero-grid,
    .card-grid,
    .flow-grid,
    .fair-play-box,
    .link-card-grid,
    .detail-grid,
    .cta-strip,
    .site-form-grid {
        grid-template-columns: 1fr;
    }

    .hero-copy {
        padding: 28px;
    }

    .brand {
        white-space: normal;
    }
}

@media (max-width: 640px) {
    .site-shell {
        width: min(100vw - 20px, 1160px);
        padding-top: 16px;
    }

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

    .hero-copy h1 {
        font-size: clamp(30px, 10vw, 46px);
    }

    .subhero-copy h1 {
        font-size: clamp(28px, 9vw, 40px);
    }

    .lead {
        font-size: 15px;
    }
}