@font-face {
    font-family: "SourceHanSansLanding";
    src: url("../fonts/SourceHanSansK-Regular.ttf") format("truetype");
    font-display: swap;
}

:root {
    --bg: #f4efe7;
    --bg-strong: #efe5d6;
    --surface: rgba(255, 252, 247, 0.88);
    --surface-strong: #fffaf2;
    --line: rgba(64, 45, 22, 0.12);
    --text: #22180f;
    --muted: #6e5a47;
    --brand: #b9682d;
    --brand-deep: #8f4617;
    --accent: #184f56;
    --accent-soft: #d9ece7;
    --shadow: 0 24px 70px rgba(71, 40, 12, 0.14);
    --radius-xl: 30px;
    --radius-lg: 22px;
    --radius-md: 16px;
    --container: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(255, 240, 210, 0.9), transparent 26%),
        radial-gradient(circle at right 18%, rgba(24, 79, 86, 0.14), transparent 18%),
        linear-gradient(180deg, #f8f1e7 0%, #f5eee5 44%, #f1e8dc 100%);
    font-family: "SourceHanSansLanding", "Microsoft YaHei UI", "PingFang SC", sans-serif;
    line-height: 1.6;
}

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

.page-shell {
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

.page-shell::before,
.page-shell::after {
    content: "";
    position: fixed;
    z-index: 0;
    pointer-events: none;
    border-radius: 999px;
    filter: blur(8px);
}

.page-shell::before {
    width: 360px;
    height: 360px;
    left: -120px;
    top: 80px;
    background: rgba(185, 104, 45, 0.12);
}

.page-shell::after {
    width: 420px;
    height: 420px;
    right: -160px;
    top: 260px;
    background: rgba(24, 79, 86, 0.12);
}

.topbar,
.hero-section,
.stats-section,
.content-section,
.cta-section,
.site-footer {
    width: min(calc(100% - 32px), var(--container));
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 22px 0 10px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.brand-mark {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--brand) 0%, #d8904c 100%);
    color: #fff8f0;
    box-shadow: 0 10px 25px rgba(185, 104, 45, 0.28);
    font-size: 20px;
}

.brand-text {
    font-size: 18px;
}

.topnav {
    display: inline-flex;
    align-items: center;
    gap: 24px;
    color: var(--muted);
    font-size: 14px;
}

.topnav a:hover,
.ghost-button:hover,
.secondary-button:hover {
    color: var(--brand-deep);
}

.topbar-actions,
.hero-actions,
.cta-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.primary-button,
.secondary-button,
.ghost-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 22px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
    transition: transform 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
}

.primary-button:hover,
.secondary-button:hover,
.ghost-button:hover {
    transform: translateY(-1px);
}

.primary-button {
    background: linear-gradient(135deg, var(--brand) 0%, #d98944 100%);
    color: #fff9f1;
    box-shadow: 0 16px 30px rgba(185, 104, 45, 0.24);
}

.secondary-button {
    border: 1px solid rgba(24, 79, 86, 0.18);
    background: rgba(255, 255, 255, 0.5);
    color: var(--accent);
}

.ghost-button {
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.42);
    color: var(--text);
}

.hero-section {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 28px;
    padding: 42px 0 28px;
}

.hero-copy,
.hero-panel,
.stats-section,
.content-section,
.cta-section,
.site-footer {
    animation: riseIn 0.6s ease both;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 12px;
    border-radius: 999px;
    background: rgba(24, 79, 86, 0.1);
    color: var(--accent);
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero-copy h1 {
    margin: 18px 0 18px;
    font-size: clamp(36px, 5vw, 68px);
    line-height: 1.08;
    letter-spacing: -0.03em;
}

.hero-summary {
    max-width: 640px;
    margin: 0 0 28px;
    color: var(--muted);
    font-size: 18px;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.hero-meta span {
    padding: 10px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid var(--line);
    color: var(--muted);
    font-size: 13px;
}

.hero-panel {
    display: grid;
    gap: 18px;
}

.hero-card,
.stat-card,
.feature-card,
.scene-card,
.membership-card,
.faq-item,
.cta-section {
    border: 1px solid var(--line);
    background: var(--surface);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
}

.hero-card {
    border-radius: var(--radius-xl);
    padding: 24px;
}

.spotlight {
    background: linear-gradient(145deg, rgba(255, 250, 243, 0.92) 0%, rgba(247, 239, 227, 0.92) 100%);
}

.spotlight-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--brand);
}

.spotlight h2 {
    margin: 14px 0 10px;
    font-size: 30px;
    line-height: 1.2;
}

.spotlight p,
.mini-card span,
.stat-card p,
.feature-card p,
.scene-card p,
.membership-card li,
.faq-item p,
.cta-copy p {
    color: var(--muted);
}

.hero-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.mini-card {
    min-height: 160px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    justify-content: space-between;
}

.mini-card strong,
.stat-card h3,
.feature-card h3,
.scene-card h3,
.membership-card h3,
.faq-item h3 {
    font-size: 21px;
    line-height: 1.2;
}

.stats-section {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    padding: 12px 0 32px;
}

.stat-card {
    border-radius: var(--radius-lg);
    padding: 24px;
}

.stat-number {
    display: inline-block;
    margin-bottom: 10px;
    font-size: 14px;
    font-weight: 700;
    color: var(--brand);
    letter-spacing: 0.14em;
}

.content-section {
    padding: 34px 0;
}

.alt-section {
    position: relative;
}

.section-heading {
    max-width: 820px;
    margin-bottom: 24px;
}

.section-heading h2 {
    margin: 14px 0 0;
    font-size: clamp(28px, 3.4vw, 46px);
    line-height: 1.14;
}

.feature-grid,
.scene-grid,
.faq-list {
    display: grid;
    gap: 18px;
}

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

.scene-grid,
.faq-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-card,
.scene-card,
.membership-card,
.faq-item {
    border-radius: var(--radius-lg);
    padding: 24px;
}

.timeline {
    display: grid;
    gap: 18px;
}

.timeline-item {
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
    padding: 24px;
    border-radius: var(--radius-lg);
    background: rgba(255, 250, 243, 0.68);
    border: 1px solid var(--line);
}

.timeline-index {
    width: 56px;
    height: 56px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--accent) 0%, #2d6970 100%);
    color: #f5f6f1;
    font-size: 24px;
    font-weight: 700;
}

.timeline-item h3 {
    margin: 2px 0 6px;
    font-size: 24px;
}

.timeline-item p {
    margin: 0;
    color: var(--muted);
}

.membership-section {
    padding-bottom: 40px;
}

.membership-layout {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.membership-card ul {
    margin: 16px 0 0;
    padding-left: 18px;
}

.membership-card.emphasis {
    background: linear-gradient(145deg, rgba(24, 79, 86, 0.88) 0%, rgba(22, 68, 73, 0.94) 100%);
    color: #f7f2ea;
}

.membership-card.emphasis li,
.membership-card.emphasis h3 {
    color: #f7f2ea;
}

.cta-section {
    margin-top: 10px;
    margin-bottom: 40px;
    padding: 32px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 20px;
    background: linear-gradient(135deg, rgba(255, 249, 241, 0.95) 0%, rgba(241, 230, 214, 0.92) 100%);
}

.cta-copy h2 {
    margin: 12px 0 10px;
    font-size: clamp(28px, 3.2vw, 42px);
    line-height: 1.14;
}

.site-footer {
    padding: 0 0 34px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    color: var(--muted);
    font-size: 13px;
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    color: var(--text);
}

.footer-copy {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 14px;
}

@keyframes riseIn {
    from {
        opacity: 0;
        transform: translateY(18px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 1080px) {
    .topbar {
        flex-wrap: wrap;
    }

    .topnav {
        order: 3;
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero-section,
    .stats-section,
    .feature-grid,
    .scene-grid,
    .membership-layout,
    .faq-list,
    .cta-section {
        grid-template-columns: 1fr;
    }

    .cta-section {
        align-items: flex-start;
    }

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

    .footer-copy {
        justify-content: flex-start;
    }
}

@media (max-width: 760px) {
    .topbar,
    .hero-section,
    .stats-section,
    .content-section,
    .cta-section,
    .site-footer {
        width: min(calc(100% - 22px), var(--container));
    }

    .hero-section {
        padding-top: 20px;
    }

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

    .hero-grid,
    .topbar-actions,
    .hero-actions,
    .cta-actions {
        grid-template-columns: 1fr;
        flex-direction: column;
        align-items: stretch;
    }

    .timeline-item {
        grid-template-columns: 1fr;
    }

    .primary-button,
    .secondary-button,
    .ghost-button {
        width: 100%;
    }

    .mini-card,
    .stat-card,
    .feature-card,
    .scene-card,
    .membership-card,
    .faq-item,
    .cta-section {
        padding: 20px;
    }
}