:root {
    --z-primary: #c0392b;
    --z-secondary: #e67e22;
    --z-accent: #f1c40f;
    --z-glow: rgba(241, 196, 15, 0.35);
    --z-bg-1: #0d0705;
    --z-bg-2: #1a0a08;
    --z-bg-3: #2d1510;
    --glass: rgba(255, 255, 255, 0.06);
    --glass-border: rgba(255, 255, 255, 0.12);
    --glass-highlight: rgba(255, 255, 255, 0.08);
    --text: #f5f0eb;
    --text-muted: rgba(245, 240, 235, 0.62);
    --solar: #60a5fa;
    --lunar: #fbbf24;
    --festival: #f87171;
    --success: #34d399;
    --radius: 20px;
    --transition-theme: 800ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--z-bg-1);
    color: var(--text);
    min-height: 100dvh;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ── Zodiac background layers ── */
.scene {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    transition: background var(--transition-theme);
    background:
        radial-gradient(ellipse 80% 60% at 50% -10%, var(--z-bg-3), transparent),
        radial-gradient(ellipse 60% 50% at 100% 80%, color-mix(in srgb, var(--z-primary) 25%, transparent), transparent),
        radial-gradient(ellipse 50% 40% at 0% 60%, color-mix(in srgb, var(--z-secondary) 20%, transparent), transparent),
        linear-gradient(165deg, var(--z-bg-1) 0%, var(--z-bg-2) 45%, var(--z-bg-1) 100%);
}

.scene::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, var(--z-glow), transparent 65%);
    opacity: 0.45;
    animation: pulse-glow 6s ease-in-out infinite;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.55;
    animation: float-orb 18s ease-in-out infinite;
    transition: background var(--transition-theme);
}

.orb-1 {
    width: 420px; height: 420px;
    top: -8%; left: -5%;
    background: color-mix(in srgb, var(--z-primary) 70%, transparent);
    animation-delay: 0s;
}

.orb-2 {
    width: 320px; height: 320px;
    bottom: 10%; right: -4%;
    background: color-mix(in srgb, var(--z-secondary) 65%, transparent);
    animation-delay: -6s;
}

.orb-3 {
    width: 260px; height: 260px;
    top: 45%; left: 55%;
    background: color-mix(in srgb, var(--z-accent) 50%, transparent);
    animation-delay: -12s;
}

.zodiac-watermark {
    position: absolute;
    right: -4%;
    bottom: -6%;
    width: min(55vw, 520px);
    height: min(55vw, 520px);
    opacity: 0.07;
    color: var(--z-accent);
    pointer-events: none;
    transition: color var(--transition-theme), transform 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    animation: watermark-drift 24s ease-in-out infinite;
}

.zodiac-watermark svg {
    width: 100%;
    height: 100%;
}

.particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--z-accent);
    opacity: 0;
    animation: particle-rise linear infinite;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 70% 70% at 50% 40%, black, transparent);
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.35; transform: scale(1); }
    50% { opacity: 0.55; transform: scale(1.05); }
}

@keyframes float-orb {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -20px) scale(1.06); }
    66% { transform: translate(-20px, 25px) scale(0.96); }
}

@keyframes watermark-drift {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-12px, -18px) rotate(2deg); }
}

@keyframes particle-rise {
    0% { opacity: 0; transform: translateY(0) scale(0.5); }
    10% { opacity: 0.8; }
    90% { opacity: 0.3; }
    100% { opacity: 0; transform: translateY(-100vh) scale(1); }
}

@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

@media (prefers-reduced-motion: reduce) {
    .orb, .zodiac-watermark, .scene::before, .particle { animation: none !important; }
    * { transition-duration: 0.01ms !important; }
}

/* ── Layout ── */
.container {
    position: relative;
    z-index: 1;
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 20px 56px;
}

/* ── Hero / Zodiac badge ── */
.hero {
    text-align: center;
    margin-bottom: 40px;
}

.zodiac-badge {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    padding: 10px 22px 10px 14px;
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    margin-bottom: 20px;
    transition: border-color var(--transition-theme), box-shadow var(--transition-theme);
    box-shadow: 0 0 40px color-mix(in srgb, var(--z-primary) 20%, transparent);
}

.zodiac-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--z-primary), var(--z-secondary));
    box-shadow: 0 4px 20px color-mix(in srgb, var(--z-primary) 50%, transparent);
    flex-shrink: 0;
}

.zodiac-icon svg {
    width: 26px;
    height: 26px;
    color: #fff;
}

.zodiac-text {
    text-align: left;
}

.zodiac-text .year-label {
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.zodiac-text .zodiac-name {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.15rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--z-accent), var(--z-secondary), var(--z-accent));
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 4s linear infinite;
}

.hero h1 {
    font-family: 'Noto Serif SC', serif;
    font-size: clamp(1.75rem, 5vw, 2.75rem);
    font-weight: 700;
    letter-spacing: 0.06em;
    margin-bottom: 16px;
    text-shadow: 0 2px 30px color-mix(in srgb, var(--z-accent) 30%, transparent);
}

.today-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.info-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    font-size: 13px;
    color: var(--text-muted);
}

.info-chip strong {
    color: var(--text);
    font-weight: 500;
}

.info-chip svg {
    width: 14px;
    height: 14px;
    opacity: 0.7;
}

/* ── Glass cards ── */
.cards {
    display: grid;
    grid-template-columns: 1fr repeat(2, minmax(260px, 380px)) 1fr;
    gap: 20px;
    margin-bottom: 32px;
}

.card.solar { grid-column: 2; }
.card.lunar { grid-column: 3; }

.card {
    position: relative;
    background: var(--glass);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 26px;
    overflow: hidden;
    transition: transform 250ms ease, box-shadow 250ms ease, border-color var(--transition-theme);
}

.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-highlight), transparent);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35), 0 0 40px color-mix(in srgb, var(--z-primary) 12%, transparent);
}

.card-accent {
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    border-radius: var(--radius) var(--radius) 0 0;
}

.card.solar .card-accent { background: linear-gradient(90deg, var(--solar), #93c5fd); }
.card.lunar .card-accent { background: linear-gradient(90deg, var(--lunar), #fde68a); }
.card.festival {
    grid-column: 1 / -1;
}
.card.festival .card-accent {
    background: linear-gradient(90deg, var(--festival), var(--z-accent), var(--festival));
    background-size: 200% auto;
    animation: shimmer 3s linear infinite;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.card-icon {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.06);
}

.card-icon svg { width: 18px; height: 18px; }

.card.solar .card-icon { color: var(--solar); }
.card.lunar .card-icon { color: var(--lunar); }
.card.festival .card-icon { color: var(--festival); }

.card-label {
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.card-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.card-date {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 22px;
}

.countdown {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.countdown-unit {
    flex: 1;
    min-width: 68px;
    text-align: center;
    background: rgba(0, 0, 0, 0.28);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 14px;
    padding: 14px 8px;
    transition: border-color 200ms;
}

.card:hover .countdown-unit {
    border-color: rgba(255, 255, 255, 0.1);
}

.countdown-unit .value {
    font-family: 'Noto Serif SC', serif;
    font-size: clamp(1.75rem, 5vw, 2.4rem);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    line-height: 1.1;
}

.card.solar .countdown-unit .value { color: var(--solar); }
.card.lunar .countdown-unit .value { color: var(--lunar); }
.card.festival .countdown-unit .value { color: var(--festival); }

.countdown-unit .label {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 6px;
    letter-spacing: 0.05em;
}

.countdown-sep {
    display: none;
}

.festival-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--glass-border);
    font-size: 13px;
    color: var(--text-muted);
}

.festival-meta span strong { color: var(--text); }

/* ── Festival list ── */
.section-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.section-head h2 {
    font-family: 'Noto Serif SC', serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-muted);
}

.section-head .line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--glass-border), transparent);
}

.calendar-range {
    font-size: 13px;
    color: var(--text-muted);
    margin: -8px 0 16px;
    line-height: 1.5;
}

.calendar-month {
    font-family: 'Noto Serif SC', serif;
    font-size: 13px;
    font-weight: 600;
    color: var(--z-accent);
    padding: 14px 4px 6px;
    letter-spacing: 0.06em;
}

.calendar-month:first-child {
    padding-top: 0;
}

.festival-list {
    display: grid;
    gap: 10px;
}

.festival-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 18px;
    background: var(--glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    font-size: 14px;
    transition: transform 200ms, border-color 200ms, background 200ms;
}

.festival-item:hover {
    transform: translateX(4px);
    border-color: rgba(255, 255, 255, 0.16);
}

.festival-item.nearest {
    border-color: color-mix(in srgb, var(--festival) 45%, transparent);
    background: color-mix(in srgb, var(--festival) 8%, var(--glass));
    box-shadow: 0 0 30px color-mix(in srgb, var(--festival) 12%, transparent);
}

.festival-item .name { font-weight: 500; }

.festival-item .lunar-date {
    color: var(--text-muted);
    font-size: 12px;
    margin-top: 2px;
}

.festival-item .remain {
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
    color: var(--success);
    font-size: 13px;
}

.festival-item.nearest .remain {
    color: var(--festival);
    font-weight: 600;
}

.festival-item.past {
    opacity: 0.72;
}

.festival-item.past .remain {
    color: var(--text-muted);
}

.festival-item.spring-target {
    border-color: color-mix(in srgb, var(--lunar) 50%, transparent);
    background: color-mix(in srgb, var(--lunar) 10%, var(--glass));
    box-shadow: 0 0 30px color-mix(in srgb, var(--lunar) 15%, transparent);
}

.festival-item.spring-target .remain {
    color: var(--lunar);
    font-weight: 600;
}

.spring-tag {
    display: inline-block;
    margin-left: 8px;
    padding: 1px 8px;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.05em;
    background: color-mix(in srgb, var(--lunar) 25%, transparent);
    color: var(--lunar);
    vertical-align: middle;
}

.nearest-tag {
    display: inline-block;
    margin-left: 8px;
    padding: 1px 8px;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.05em;
    background: color-mix(in srgb, var(--festival) 20%, transparent);
    color: var(--festival);
    vertical-align: middle;
}

@media (max-width: 640px) {
    .cards {
        grid-template-columns: 1fr;
    }

    .card.solar,
    .card.lunar {
        grid-column: 1;
    }

    .countdown-unit { min-width: 58px; padding: 12px 6px; }
    .festival-item { flex-direction: column; align-items: flex-start; }
    .zodiac-watermark { width: 70vw; right: -15%; opacity: 0.05; }
}

/* SEO 说明区：爬虫可读，视觉弱化 */
.seo-intro {
    margin-top: 40px;
    padding: 20px 0 8px;
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.75;
}

.seo-intro-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.seo-intro p {
    margin-bottom: 10px;
}

.seo-intro p:last-child {
    margin-bottom: 0;
}

.seo-intro strong {
    color: rgba(245, 240, 235, 0.75);
    font-weight: 500;
}