:root {
    --night: #0c1022;
    --night-mid: #121832;
    --moon: #f4e9c8;
    --tea: #c4a574;
    --tea-dim: rgba(196, 165, 116, 0.35);
    --mist: rgba(180, 200, 230, 0.18);
    --text: #e8ecf5;
    --glass: rgba(255, 255, 255, 0.06);
    --glass-border: rgba(255, 255, 255, 0.12);
    --carousel-h: clamp(220px, 42vw, 320px);
}

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

html {
    scroll-behavior: smooth;
}

html, body {
    min-height: 100%;
}

body {
    font-family: "Noto Serif SC", "Songti SC", "SimSun", serif;
    background:
        radial-gradient(ellipse 100% 70% at 50% -15%, #243056 0%, var(--night) 50%),
        var(--night);
    color: var(--text);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem 1rem 1.25rem;
    gap: 0;
}

.stars {
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        radial-gradient(1.5px 1.5px at 8% 18%, rgba(255,255,255,0.75), transparent),
        radial-gradient(1px 1px at 22% 65%, rgba(255,255,255,0.45), transparent),
        radial-gradient(1px 1px at 78% 32%, rgba(255,255,255,0.55), transparent),
        radial-gradient(1.5px 1.5px at 92% 78%, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 48% 12%, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 65% 88%, rgba(255,255,255,0.35), transparent);
    opacity: 0.9;
    z-index: 0;
}

.page {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 52rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2.5rem;
    flex: 1;
}

/* --- Nav --- */
.site-nav {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.45rem 0.35rem;
    padding: 0.65rem 0.85rem;
    border-radius: 999px;
    background: rgba(12, 16, 34, 0.65);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.site-nav a {
    font-size: 0.82rem;
    letter-spacing: 0.08em;
    color: rgba(232, 236, 245, 0.82);
    text-decoration: none;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    transition: background 0.2s, color 0.2s;
}

.site-nav a:hover {
    background: rgba(196, 165, 116, 0.14);
    color: var(--moon);
}

.site-nav a:focus-visible {
    outline: 2px solid var(--tea);
    outline-offset: 2px;
}

.site-nav a.is-active {
    background: linear-gradient(135deg, rgba(196, 165, 116, 0.28), rgba(244, 233, 200, 0.1));
    color: var(--moon);
    font-weight: 600;
}

/* --- Clock --- */
.clock-panel {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.85rem;
    padding: 1rem 1.15rem 1.15rem;
    border-radius: 1.25rem;
    background: linear-gradient(160deg, rgba(255,255,255,0.07) 0%, rgba(8, 12, 28, 0.5) 100%);
    border: 1px solid var(--glass-border);
    box-shadow:
        0 0 40px rgba(244, 233, 200, 0.08),
        0 12px 40px rgba(0, 0, 0, 0.35);
}

.clock-face {
    position: relative;
    width: min(42vw, 168px);
    height: min(42vw, 168px);
    border-radius: 50%;
    background:
        radial-gradient(circle at 32% 28%, #fffef5 0%, var(--moon) 38%, #c9b27a 72%, #8a7650 100%);
    box-shadow:
        inset 0 0 0 3px rgba(90, 75, 55, 0.2),
        inset -8px -10px 24px rgba(120, 100, 70, 0.35),
        0 0 28px rgba(244, 233, 200, 0.25);
}

.clock-face::after {
    content: "";
    position: absolute;
    inset: 10%;
    border-radius: 50%;
    border: 1px solid rgba(90, 75, 55, 0.12);
    pointer-events: none;
}

.clock-tick {
    position: absolute;
    left: 50%;
    top: 50%;
    z-index: 1;
    width: 2px;
    height: 42%;
    margin-left: -1px;
    margin-top: -42%;
    background: rgba(60, 50, 40, 0.35);
    transform-origin: 50% 100%;
    border-radius: 1px;
}

.clock-tick.major {
    width: 3px;
    margin-left: -1.5px;
    height: 44%;
    margin-top: -44%;
    background: rgba(60, 50, 40, 0.55);
}

.clock-hand {
    position: absolute;
    left: 50%;
    bottom: 50%;
    transform-origin: 50% 100%;
    border-radius: 2px;
    pointer-events: none;
    z-index: 3;
}

.clock-hand.hour {
    width: 5px;
    height: 26%;
    margin-left: -2.5px;
    background: linear-gradient(180deg, #3d3548 0%, #2a2438 100%);
    box-shadow: 0 0 6px rgba(0,0,0,0.25);
}

.clock-hand.minute {
    width: 3px;
    height: 36%;
    margin-left: -1.5px;
    background: linear-gradient(180deg, #5c4d3a 0%, #3d3328 100%);
}

.clock-hand.second {
    width: 2px;
    height: 40%;
    margin-left: -1px;
    background: linear-gradient(180deg, #b85848 0%, #8b3a32 100%);
    box-shadow: 0 0 8px rgba(184, 88, 72, 0.45);
}

.clock-cap {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 10px;
    height: 10px;
    margin: -5px 0 0 -5px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, #f5f0e6, #8b7355);
    box-shadow: 0 1px 4px rgba(0,0,0,0.35);
    z-index: 4;
}

.clock-digital {
    text-align: center;
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    color: rgba(232, 236, 245, 0.88);
    line-height: 1.65;
}

.clock-digital time {
    display: block;
}

.clock-digital .clock-date {
    font-size: 0.72rem;
    color: rgba(196, 165, 116, 0.85);
    letter-spacing: 0.14em;
}

.clock-digital .clock-time {
    font-size: 1.05rem;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.18em;
    margin-top: 0.2rem;
    color: var(--moon);
    text-shadow: 0 0 20px rgba(244, 233, 200, 0.25);
}

/* --- Hero row --- */
.hero-clock-row {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 2rem 2.5rem;
}

.hero {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    flex: 1 1 280px;
    min-width: min(100%, 260px);
}

.moon-wrap {
    position: relative;
    width: min(72vw, 220px);
    aspect-ratio: 1;
}

.moon {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, #fff9e6 0%, var(--moon) 45%, #d8c896 100%);
    box-shadow:
        0 0 70px rgba(244, 233, 200, 0.38),
        inset -12px -12px 40px rgba(180, 160, 100, 0.25);
}

.moon-crater {
    position: absolute;
    border-radius: 50%;
    background: rgba(180, 165, 120, 0.22);
}

.moon-crater:nth-child(2) { width: 18%; height: 18%; top: 28%; left: 22%; }
.moon-crater:nth-child(3) { width: 12%; height: 12%; top: 55%; left: 58%; }
.moon-crater:nth-child(4) { width: 10%; height: 10%; top: 38%; left: 62%; }

.tea-scene {
    position: absolute;
    bottom: 12%;
    left: 50%;
    transform: translateX(-50%);
    width: 55%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
}

.cup {
    width: 42%;
    max-width: 72px;
    height: 36px;
    border: 2px solid rgba(90, 75, 55, 0.45);
    border-radius: 0 0 50% 50% / 0 0 100% 100%;
    background: linear-gradient(180deg, rgba(255,250,240,0.35) 0%, rgba(196, 165, 116, 0.5) 100%);
    position: relative;
}

.cup::after {
    content: "";
    position: absolute;
    right: -22%;
    top: 12%;
    width: 28%;
    height: 55%;
    border: 2px solid rgba(90, 75, 55, 0.45);
    border-left: none;
    border-radius: 0 40% 40% 0;
}

.steam {
    position: absolute;
    bottom: 100%;
    left: 50%;
    width: 4px;
    height: 24px;
    margin-left: -2px;
    background: linear-gradient(to top, transparent, var(--mist));
    border-radius: 4px;
    animation: rise 2.4s ease-in-out infinite;
    opacity: 0.7;
}

.steam:nth-child(2) { margin-left: -14px; animation-delay: 0.4s; height: 20px; }
.steam:nth-child(3) { margin-left: 10px; animation-delay: 0.8s; height: 22px; }

@keyframes rise {
    0%, 100% { transform: translateY(0) scaleY(1); opacity: 0.5; }
    50% { transform: translateY(-8px) scaleY(1.1); opacity: 0.85; }
}

.cat {
    width: 56%;
    max-width: 100px;
    height: auto;
    opacity: 0.92;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.25));
}

.hero h1,
h1.site-brand {
    font-size: clamp(1.45rem, 4.5vw, 2rem);
    font-weight: 700;
    letter-spacing: 0.14em;
    line-height: 1.55;
    text-shadow: 0 2px 28px rgba(0, 0, 0, 0.4);
}

.welcome {
    font-size: 1rem;
    font-weight: 400;
    color: rgba(232, 236, 245, 0.85);
    line-height: 1.9;
    letter-spacing: 0.06em;
    max-width: 26em;
}

/* --- Quick links --- */
.quick-links {
    width: 100%;
}

.quick-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.75rem;
}

.quick-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 1rem 0.85rem;
    min-height: 5.5rem;
    border-radius: 1rem;
    text-decoration: none;
    color: inherit;
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid var(--glass-border);
    transition: border-color 0.25s, transform 0.2s, box-shadow 0.25s;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.18);
}

.quick-card:hover {
    border-color: rgba(196, 165, 116, 0.35);
    transform: translateY(-3px);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.28);
}

.quick-card:focus-visible {
    outline: 2px solid var(--tea);
    outline-offset: 3px;
}

.quick-card .qk-icon {
    font-size: 1.35rem;
    line-height: 1;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.3));
}

.quick-card .qk-label {
    font-size: 0.82rem;
    letter-spacing: 0.12em;
    font-weight: 600;
    color: var(--moon);
}

.quick-card .qk-sub {
    font-size: 0.68rem;
    letter-spacing: 0.06em;
    color: rgba(200, 210, 230, 0.55);
}

/* --- Subpages --- */
.sub-main {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.page-head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.25rem;
    width: 100%;
}

.page-head .clock-panel {
    margin-left: auto;
}

.page-title {
    font-size: clamp(1.35rem, 4vw, 1.75rem);
    font-weight: 700;
    letter-spacing: 0.14em;
    color: var(--moon);
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.35);
}

.page-lead {
    font-size: 0.95rem;
    color: rgba(232, 236, 245, 0.78);
    line-height: 1.85;
    letter-spacing: 0.05em;
    max-width: 36rem;
}

.content-card {
    width: 100%;
    padding: 1.35rem 1.45rem;
    border-radius: 1.05rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.22);
}

.content-card h2 {
    font-size: 1rem;
    letter-spacing: 0.12em;
    color: var(--tea);
    margin-bottom: 0.65rem;
    font-weight: 600;
}

.prose {
    font-size: 0.92rem;
    line-height: 1.95;
    color: rgba(232, 236, 245, 0.78);
    letter-spacing: 0.04em;
}

.prose p + p {
    margin-top: 0.85em;
}

.prose ul {
    margin: 0.75em 0 0 1.15em;
}

.prose li + li {
    margin-top: 0.35em;
}

.back-home {
    display: inline-block;
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--tea);
    text-decoration: none;
    letter-spacing: 0.08em;
}

.back-home:hover {
    text-decoration: underline;
}

/* --- Carousel --- */
.section-title {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.28em;
    color: rgba(196, 165, 116, 0.85);
    text-transform: uppercase;
    margin-bottom: 0.85rem;
    text-align: center;
}

.carousel-shell {
    width: 100%;
    padding: 0.25rem;
    border-radius: 1.25rem;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.02) 50%, rgba(196,165,116,0.08) 100%);
    box-shadow:
        0 4px 40px rgba(0, 0, 0, 0.35),
        inset 0 1px 0 rgba(255,255,255,0.08);
}

.carousel {
    position: relative;
    border-radius: 1.05rem;
    overflow: hidden;
    background: rgba(8, 12, 28, 0.55);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.carousel-viewport {
    overflow: hidden;
    touch-action: pan-y pinch-zoom;
}

.carousel-track {
    display: flex;
    transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.carousel-track.is-no-motion {
    transition: none;
}

.slide {
    flex: 0 0 100%;
    min-height: var(--carousel-h);
    padding: 1.75rem 1.5rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 0.65rem;
    position: relative;
    isolation: isolate;
}

.slide::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    opacity: 0.92;
}

.slide:nth-child(1)::before {
    background:
        radial-gradient(ellipse 80% 60% at 20% 30%, rgba(120, 160, 220, 0.2) 0%, transparent 55%),
        radial-gradient(ellipse 70% 50% at 85% 75%, rgba(196, 165, 116, 0.18) 0%, transparent 50%),
        linear-gradient(165deg, #141a35 0%, #0e1328 100%);
}

.slide:nth-child(2)::before {
    background:
        radial-gradient(circle at 70% 25%, rgba(244, 233, 200, 0.15) 0%, transparent 45%),
        radial-gradient(ellipse 90% 70% at 10% 90%, rgba(80, 120, 180, 0.12) 0%, transparent 55%),
        linear-gradient(165deg, #1a1630 0%, #0f1225 100%);
}

.slide:nth-child(3)::before {
    background:
        radial-gradient(ellipse 60% 50% at 50% 0%, rgba(180, 200, 230, 0.12) 0%, transparent 60%),
        linear-gradient(165deg, #121828 0%, #0c1020 100%);
}

.slide:nth-child(4)::before {
    background:
        radial-gradient(circle at 30% 70%, rgba(196, 165, 116, 0.2) 0%, transparent 40%),
        linear-gradient(165deg, #161c38 0%, #0a0e1f 100%);
}

.slide-icon {
    width: 3.25rem;
    height: 3.25rem;
    margin-bottom: 0.15rem;
    opacity: 0.95;
}

.slide h2 {
    font-size: clamp(1.15rem, 3.5vw, 1.35rem);
    font-weight: 600;
    letter-spacing: 0.12em;
    color: #f5f3ff;
}

.slide p {
    font-size: 0.95rem;
    line-height: 1.85;
    color: rgba(232, 236, 245, 0.78);
    max-width: 28rem;
    letter-spacing: 0.04em;
}

.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 0.85rem 1rem 1.1rem;
    border-top: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.15);
}

.carousel-btn {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    border: 1px solid var(--glass-border);
    background: var(--glass);
    color: var(--text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, border-color 0.2s, transform 0.15s;
}

.carousel-btn:hover {
    background: rgba(196, 165, 116, 0.15);
    border-color: var(--tea-dim);
}

.carousel-btn:active {
    transform: scale(0.94);
}

.carousel-btn:focus-visible {
    outline: 2px solid var(--tea);
    outline-offset: 2px;
}

.carousel-dots {
    display: flex;
    gap: 0.45rem;
    align-items: center;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: none;
    padding: 0;
    background: rgba(255, 255, 255, 0.22);
    cursor: pointer;
    transition: transform 0.2s, background 0.2s, width 0.25s;
}

.carousel-dot[aria-current="true"] {
    background: var(--tea);
    width: 22px;
    border-radius: 4px;
}

.carousel-dot:focus-visible {
    outline: 2px solid var(--tea);
    outline-offset: 2px;
}

.carousel-hint {
    font-size: 0.72rem;
    color: rgba(200, 210, 230, 0.45);
    text-align: center;
    padding-bottom: 0.35rem;
    letter-spacing: 0.08em;
}

.intro-grid {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
}

.intro-card {
    padding: 1.25rem 1.35rem;
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transition: border-color 0.25s, transform 0.25s;
}

.intro-card:hover {
    border-color: rgba(196, 165, 116, 0.28);
    transform: translateY(-2px);
}

.intro-card h3 {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--moon);
    margin-bottom: 0.5rem;
}

.intro-card p {
    font-size: 0.88rem;
    line-height: 1.8;
    color: rgba(232, 236, 245, 0.72);
    letter-spacing: 0.03em;
}

footer {
    position: relative;
    z-index: 1;
    padding-top: 1.5rem;
    font-size: 0.8rem;
    color: rgba(200, 210, 230, 0.55);
}

footer a {
    color: rgba(200, 210, 230, 0.65);
    text-decoration: none;
}

footer a:hover {
    color: var(--tea);
    text-decoration: underline;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    .carousel-track {
        transition-duration: 0.01ms;
    }
    .steam {
        animation: none;
    }
    .intro-card:hover,
    .quick-card:hover {
        transform: none;
    }
}