:root {
    --bg-deep: #2d1b2e;
    --bg-mid: #3d263c;
    --bg-top: #4b2e4c;
    --text: #f3e6e8;
    --text-muted: #a08a8d;
    --accent: #ec7fa2;
    --accent-warm: #ffa37a;
    --nav-bg: rgba(45, 27, 46, 0.85);
    --card-bg: rgba(255, 255, 255, 0.06);
    --border: rgba(236, 127, 162, 0.2);
    --focus-ring: 2px solid #fff;
    --max: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
    background: linear-gradient(160deg, var(--bg-deep) 0%, var(--bg-mid) 50%, var(--bg-top) 100%);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 10000;
    padding: 12px 20px;
    background: var(--accent);
    color: #fff;
    font-weight: 600;
    text-decoration: none;
    border-radius: 0 0 8px 0;
}

.skip-link:focus {
    left: 0;
    outline: var(--focus-ring);
    outline-offset: 2px;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.site-header {
    position: sticky;
    top: 0;
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
    z-index: 999;
}

.nav-container {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
    white-space: nowrap;
}

.logo:hover {
    color: #fff;
}

.logo:focus-visible {
    outline: var(--focus-ring);
    outline-offset: 4px;
    border-radius: 4px;
}

.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
    cursor: pointer;
}

.nav-toggle:focus-visible {
    outline: var(--focus-ring);
    outline-offset: 2px;
}

.nav-toggle-icon {
    display: block;
    width: 20px;
    height: 2px;
    background: currentColor;
    box-shadow: 0 -6px 0 currentColor, 0 6px 0 currentColor;
}

.nav-panel {
    display: flex;
    align-items: center;
    gap: 28px;
    flex: 1;
    justify-content: flex-end;
}

.nav-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 16px;
}

.nav-menu {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 28px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    color: #fff;
    text-decoration: none;
    font-size: 1rem;
    padding: 6px 2px;
    border-radius: 4px;
}

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

.nav-menu a:focus-visible {
    outline: var(--focus-ring);
    outline-offset: 2px;
}

.nav-menu a[aria-current="page"] {
    color: var(--accent);
    font-weight: 600;
    border-bottom: 2px solid var(--accent);
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-panel {
        position: fixed;
        inset: 0 0 auto 0;
        top: 62px;
        flex-direction: column;
        align-items: stretch;
        padding: 16px 24px 24px;
        background: rgba(35, 22, 36, 0.97);
        border-bottom: 1px solid var(--border);
        transform: translateY(-120%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.2s ease, opacity 0.2s ease;
    }

    .nav-panel.is-open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-menu {
        flex-direction: column;
        gap: 4px;
    }

    .nav-menu a {
        padding: 12px 8px;
    }

    .nav-menu a[aria-current="page"] {
        border-bottom: none;
        background: rgba(236, 127, 162, 0.15);
    }

    .nav-actions {
        margin-top: 8px;
        padding-top: 16px;
        border-top: 1px solid var(--border);
        justify-content: flex-start;
    }
}

.page-wrap {
    max-width: var(--max);
    margin: 0 auto;
    padding: 48px 24px 80px;
}

.page-hero {
    max-width: 720px;
    margin-bottom: 40px;
}

.page-eyebrow {
    font-size: 0.875rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
}

.page-title {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    color: #fff;
    font-weight: 700;
    margin-bottom: 16px;
}

.page-lead {
    color: #d8c4c7;
    font-size: 1.05rem;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.content-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
}

.content-card h3 {
    color: #fff;
    font-size: 1.15rem;
    margin-bottom: 10px;
}

.content-card p {
    color: var(--text);
    font-size: 0.95rem;
}

.card-icon-lg {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--accent), var(--accent-warm));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.cta-row {
    margin-top: 48px;
    padding: 28px;
    border-radius: 16px;
    background: rgba(236, 127, 162, 0.12);
    border: 1px solid var(--border);
    text-align: center;
}

.cta-row p {
    margin-bottom: 16px;
    color: #d8c4c7;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    font-size: 1rem;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-warm));
    color: #fff;
}

.btn-primary:hover {
    filter: brightness(1.05);
}

.btn-primary:focus-visible {
    outline: var(--focus-ring);
    outline-offset: 3px;
}

.btn-ghost {
    background: transparent;
    border: 1px solid rgba(236, 127, 162, 0.5);
    color: var(--accent);
    margin-left: 12px;
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.06);
}

.btn-ghost:focus-visible {
    outline: var(--focus-ring);
    outline-offset: 3px;
}

.site-footer {
    margin-top: auto;
    padding: 40px 24px 32px;
    border-top: 1px solid rgba(236, 127, 162, 0.1);
    background: rgba(0, 0, 0, 0.15);
}

.footer-inner {
    max-width: var(--max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 28px;
    text-align: left;
}

.footer-col h4 {
    color: #fff;
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.footer-col ul {
    list-style: none;
}

.footer-col a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    display: inline-block;
    padding: 4px 0;
}

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

.footer-col a:focus-visible {
    outline: var(--focus-ring);
    outline-offset: 2px;
    border-radius: 2px;
}

.footer-bottom {
    max-width: var(--max);
    margin: 28px auto 0;
    padding-top: 24px;
    border-top: 1px solid rgba(236, 127, 162, 0.08);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.prose {
    max-width: 720px;
}

.prose p {
    margin-bottom: 1rem;
    color: #e8d8db;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #fff;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    max-width: 520px;
    padding: 14px 16px;
    border-radius: 12px;
    border: 1px solid rgba(236, 127, 162, 0.35);
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
    font-size: 1rem;
    font-family: inherit;
}

.form-group input:focus-visible,
.form-group textarea:focus-visible {
    outline: var(--focus-ring);
    outline-offset: 2px;
}

.form-hint {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 16px;
    max-width: 520px;
}

.text-link {
    color: var(--accent);
    text-decoration: none;
}

.text-link:hover {
    text-decoration: underline;
}