:root {
    --color-rust: #8B2510;
    --color-rust-dark: #6B1A08;
    --color-gold: #C9A227;
    --color-gold-light: #E8C878;
    --color-gold-dark: #9A7B1C;
    --color-sand: #E8DCC4;
    --color-sand-dark: #D4C4A8;
    --color-night: #0D0B09;
    --color-cream: #FAF8F3;
    --color-white: #FFFFFF;
    --color-text: #1A1714;
    --color-text-light: #5A5550;
    --font-display: 'Noto Serif SC', 'Songti SC', serif;
    --font-serif: 'Cormorant Garamond', 'Times New Roman', serif;
    --font-callig: 'ZCOOL XiaoWei', serif;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-cream: #12100C;
        --color-text: #E8E4DC;
        --color-text-light: #9A9590;
    }
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-cream);
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 clamp(24px, 5vw, 80px);
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

.section-label {
    display: block;
    font-family: var(--font-serif);
    font-size: 13px;
    letter-spacing: 0.25em;
    color: var(--color-gold);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-callig);
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 400;
    color: var(--color-rust);
    margin-bottom: 48px;
}

@media (prefers-color-scheme: dark) {
    .section-title {
        color: var(--color-gold);
    }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.5s var(--ease-out);
}

.header.scrolled {
    background: rgba(250, 248, 243, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 14px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

@media (prefers-color-scheme: dark) {
    .header.scrolled {
        background: rgba(18, 16, 12, 0.92);
    }
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-cn {
    font-family: var(--font-callig);
    font-size: 28px;
    color: var(--color-rust);
    letter-spacing: 2px;
}

.logo-en {
    font-family: var(--font-serif);
    font-size: 11px;
    letter-spacing: 0.35em;
    color: var(--color-gold);
}

.nav {
    display: flex;
    gap: clamp(28px, 4vw, 56px);
}

.nav-link {
    font-size: 14px;
    letter-spacing: 0.08em;
    position: relative;
    padding: 8px 0;
    transition: color 0.3s;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-rust);
    transition: width 0.4s var(--ease-out);
}

.nav-link:hover {
    color: var(--color-rust);
}

.nav-link:hover::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.btn-book {
    padding: 10px 24px;
    background: var(--color-rust);
    color: var(--color-white);
    font-size: 13px;
    letter-spacing: 0.1em;
    border-radius: 2px;
    transition: all 0.3s;
}

.btn-book:hover {
    background: var(--color-rust-dark);
    transform: translateY(-2px);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    padding: 4px 0;
}

.menu-toggle span {
    height: 1px;
    background: currentColor;
}

/* Cover / Hero */
.cover {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.cover-media {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.05);
    animation: coverZoom 20s ease-out forwards;
}

@keyframes coverZoom {
    to { transform: scale(1); }
}

.cover-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(13, 11, 9, 0.35) 0%,
        rgba(13, 11, 9, 0.5) 50%,
        rgba(13, 11, 9, 0.75) 100%
    );
}

.cover-gradient {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 35vh;
    background: linear-gradient(to top, var(--color-cream), transparent);
    pointer-events: none;
}

.cover-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--color-white);
}

.cover-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    font-family: var(--font-serif);
    font-size: 12px;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 32px;
    animation: fadeUp 1s var(--ease-out) 0.2s both;
}

.meta-divider {
    color: var(--color-gold);
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.cover-title {
    margin-bottom: 20px;
}

.title-cn {
    display: block;
    font-family: var(--font-callig);
    font-size: clamp(72px, 14vw, 180px);
    letter-spacing: 8px;
    line-height: 1;
    animation: fadeUp 1s var(--ease-out) 0.4s both;
}

.title-en {
    display: block;
    font-family: var(--font-serif);
    font-size: clamp(18px, 3vw, 32px);
    letter-spacing: 0.5em;
    color: var(--color-gold);
    margin-top: 8px;
    animation: fadeUp 1s var(--ease-out) 0.6s both;
}

.cover-subtitle {
    font-size: clamp(16px, 2vw, 22px);
    letter-spacing: 0.35em;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 48px;
    animation: fadeUp 1s var(--ease-out) 0.8s both;
}

.cover-tags {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    animation: fadeUp 1s var(--ease-out) 1s both;
}

.tag {
    padding: 8px 18px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    font-size: 12px;
    letter-spacing: 0.1em;
}

.cover-scroll {
    position: absolute;
    bottom: 48px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 11px;
    letter-spacing: 0.2em;
    animation: fadeUp 1s var(--ease-out) 1.2s both;
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--color-gold), transparent);
}

.cover-decor {
    position: absolute;
    right: clamp(24px, 5vw, 80px);
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.decor-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-gold);
    opacity: 0.4;
}

/* About Section */
.about {
    padding: clamp(100px, 15vw, 180px) 0;
    background: var(--color-cream);
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
    align-items: start;
}

.about-intro {
    position: sticky;
    top: 120px;
}

.about-content {
    padding-top: 12px;
}

.about-quote {
    font-family: var(--font-callig);
    font-size: clamp(24px, 3vw, 36px);
    color: var(--color-rust);
    line-height: 1.5;
    margin-bottom: 32px;
    padding-left: 24px;
    border-left: 2px solid var(--color-gold);
}

.about-text p {
    font-size: 16px;
    line-height: 1.9;
    color: var(--color-text-light);
    margin-bottom: 20px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-top: 64px;
    padding: 40px;
    background: var(--color-white);
    border-radius: 4px;
}

@media (prefers-color-scheme: dark) {
    .about-stats {
        background: #1A1714;
    }
}

.stat-item {
    text-align: center;
}

.stat-value {
    display: block;
    font-family: var(--font-serif);
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 600;
    color: var(--color-gold);
    line-height: 1;
}

.stat-unit {
    font-size: 14px;
    color: var(--color-text-light);
    margin-left: 4px;
}

.stat-label {
    display: block;
    font-size: 13px;
    color: var(--color-text-light);
    margin-top: 8px;
}

/* Explore Section */
.explore {
    padding: clamp(100px, 15vw, 180px) 0;
    background: var(--color-cream);
}

.explore-header {
    text-align: center;
    margin-bottom: 64px;
}

.explore-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.explore-card {
    background: var(--color-white);
    border-radius: 4px;
    overflow: hidden;
    transition: all 0.6s var(--ease-out);
}

.explore-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 24px 48px rgba(13, 11, 9, 0.1);
}

@media (prefers-color-scheme: dark) {
    .explore-card {
        background: #1A1714;
    }
}

.card-media {
    height: 360px;
    overflow: hidden;
}

.card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s var(--ease-out);
}

.explore-card:hover .card-media img {
    transform: scale(1.08);
}

.card-content {
    padding: 32px;
    position: relative;
}

.card-num {
    position: absolute;
    top: 24px;
    right: 24px;
    font-family: var(--font-serif);
    font-size: 56px;
    font-weight: 700;
    color: var(--color-sand-dark);
    opacity: 0.3;
    line-height: 1;
}

.card-title {
    font-family: var(--font-callig);
    font-size: 26px;
    color: var(--color-rust);
    margin-bottom: 12px;
}

.card-desc {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-text-light);
    margin-bottom: 20px;
}

.card-link {
    font-size: 13px;
    letter-spacing: 0.1em;
    color: var(--color-gold);
    cursor: pointer;
}

/* Landscape Slider */
.landscape {
    padding: 0 0 clamp(100px, 15vw, 180px);
    background: var(--color-night);
    color: var(--color-sand);
    overflow: hidden;
}

.landscape-header {
    padding: clamp(100px, 15vw, 180px) 0 60px;
    text-align: center;
}

.landscape-header .section-label {
    color: var(--color-gold);
}

.landscape-header .section-title {
    color: var(--color-sand);
}

.landscape-slider {
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}

.landscape-slider::-webkit-scrollbar {
    display: none;
}

.slider-track {
    display: flex;
    gap: 2px;
    padding: 0 clamp(24px, 5vw, 80px) 80px;
}

.slider-item {
    flex: 0 0 clamp(350px, 55vw, 900px);
    scroll-snap-align: start;
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    border-radius: 4px;
}

.slider-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s var(--ease-out);
}

.slider-item:hover img {
    transform: scale(1.05);
}

.slider-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 32px;
    background: linear-gradient(to top, rgba(13, 11, 9, 0.9), transparent);
}

.slider-caption h4 {
    font-family: var(--font-callig);
    font-size: 24px;
    color: var(--color-white);
    margin-bottom: 4px;
}

.slider-caption p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

/* Wildlife Section */
.wildlife {
    position: relative;
    padding: clamp(120px, 20vw, 240px) 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wildlife-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.wildlife-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.wildlife-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(13, 11, 9, 0.6) 0%,
        rgba(13, 11, 9, 0.8) 100%
    );
}

.wildlife-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--color-white);
    max-width: 800px;
}

.wildlife-content .section-label {
    color: var(--color-gold);
}

.wildlife-content .section-title {
    color: var(--color-white);
    margin-bottom: 24px;
}

.wildlife-desc {
    font-size: 16px;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 48px;
}

.wildlife-birds {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
}

.bird-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 28px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 4px;
}

.bird-name {
    font-size: 15px;
    color: var(--color-white);
    margin-bottom: 4px;
}

.bird-status {
    font-size: 12px;
    color: var(--color-gold);
}

/* Tickets */
.tickets {
    padding: clamp(100px, 15vw, 180px) 0;
    background: var(--color-cream);
}

.tickets-header {
    text-align: center;
    margin-bottom: 64px;
}

.tickets-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    align-items: start;
}

.ticket-card {
    position: relative;
    background: var(--color-white);
    border-radius: 4px;
    padding: 40px 32px;
    transition: all 0.4s var(--ease-out);
}

.ticket-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 32px rgba(13, 11, 9, 0.08);
}

.ticket-card.featured {
    background: var(--color-rust);
    color: var(--color-white);
    transform: scale(1.04);
}

.ticket-card.featured:hover {
    transform: scale(1.04) translateY(-8px);
}

@media (prefers-color-scheme: dark) {
    .ticket-card {
        background: #1A1714;
    }
    
    .ticket-card.featured {
        background: var(--color-gold-dark);
    }
}

.ticket-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 16px;
    background: var(--color-gold);
    color: var(--color-night);
    font-size: 11px;
    letter-spacing: 0.1em;
    border-radius: 2px;
}

.ticket-header {
    margin-bottom: 24px;
}

.ticket-header h3 {
    font-family: var(--font-callig);
    font-size: 26px;
    margin-bottom: 8px;
}

.ticket-card.featured .ticket-header h3 {
    color: var(--color-white);
}

.ticket-desc {
    font-size: 13px;
    color: var(--color-text-light);
}

.ticket-card.featured .ticket-desc {
    color: rgba(255, 255, 255, 0.7);
}

.ticket-price {
    margin-bottom: 24px;
}

.price-current {
    font-size: 40px;
    font-weight: 700;
    color: var(--color-rust);
}

.ticket-card.featured .price-current {
    color: var(--color-white);
}

.price-original {
    font-size: 16px;
    color: var(--color-text-light);
    text-decoration: line-through;
    margin-left: 10px;
}

.ticket-card.featured .price-original {
    color: rgba(255, 255, 255, 0.5);
}

.ticket-features {
    list-style: none;
    margin-bottom: 28px;
}

.ticket-features li {
    font-size: 14px;
    color: var(--color-text-light);
    padding: 8px 0;
    border-bottom: 1px solid rgba(13, 11, 9, 0.06);
}

.ticket-card.featured .ticket-features li {
    color: rgba(255, 255, 255, 0.8);
    border-color: rgba(255, 255, 255, 0.1);
}

.ticket-btn {
    width: 100%;
    padding: 14px 24px;
    background: var(--color-sand-dark);
    color: var(--color-rust);
    font-size: 13px;
    letter-spacing: 0.1em;
    border-radius: 2px;
    transition: all 0.3s;
}

.ticket-btn:hover {
    background: var(--color-rust);
    color: var(--color-white);
}

.ticket-btn.primary {
    background: var(--color-white);
    color: var(--color-rust);
}

.ticket-btn.primary:hover {
    background: var(--color-gold);
    color: var(--color-night);
}

/* Visit */
.visit {
    padding: clamp(100px, 15vw, 180px) 0;
    background: var(--color-night);
    color: var(--color-sand);
}

.visit-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(48px, 8vw, 120px);
}

.visit-info .section-title {
    color: var(--color-sand);
    margin-bottom: 40px;
}

.visit-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.detail-item h4 {
    font-size: 13px;
    letter-spacing: 0.1em;
    color: var(--color-gold);
    margin-bottom: 8px;
}

.detail-item p {
    font-size: 15px;
    line-height: 1.7;
    color: rgba(232, 220, 196, 0.8);
}

.visit-form {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(232, 220, 196, 0.1);
    padding: 48px;
    border-radius: 4px;
}

.visit-form h3 {
    font-family: var(--font-callig);
    font-size: 26px;
    color: var(--color-white);
    margin-bottom: 28px;
}

.form-fields {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-fields input,
.form-fields select,
.form-fields textarea {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(232, 220, 196, 0.2);
    border-radius: 2px;
    font-family: inherit;
    font-size: 14px;
    color: var(--color-sand);
    transition: all 0.3s;
}

.form-fields input::placeholder,
.form-fields textarea::placeholder {
    color: rgba(232, 220, 196, 0.4);
}

.form-fields input:focus,
.form-fields select:focus,
.form-fields textarea:focus {
    outline: none;
    border-color: var(--color-gold);
    background: rgba(255, 255, 255, 0.08);
}

.form-fields select option {
    background: var(--color-night);
}

.form-btn {
    padding: 16px 28px;
    background: var(--color-gold);
    color: var(--color-night);
    font-size: 13px;
    letter-spacing: 0.1em;
    border-radius: 2px;
    transition: all 0.3s;
}

.form-btn:hover {
    background: var(--color-gold-dark);
}

/* Footer */
.footer {
    background: var(--color-night);
    color: rgba(232, 220, 196, 0.6);
}

.footer-main {
    padding: 64px 0 48px;
    border-bottom: 1px solid rgba(232, 220, 196, 0.1);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 48px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand .logo-cn {
    color: var(--color-white);
}

.footer-desc {
    font-size: 14px;
    margin-top: 4px;
}

.footer-nav {
    display: flex;
    gap: 72px;
}

.footer-col h4 {
    font-size: 13px;
    letter-spacing: 0.15em;
    color: var(--color-gold);
    margin-bottom: 20px;
}

.footer-col a {
    display: block;
    font-size: 14px;
    line-height: 2.2;
    transition: color 0.3s;
}

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

.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 13px;
}

.footer-icp {
    font-size: 12px;
    opacity: 0.6;
    margin-top: 8px;
}

/* Responsive */
@media (max-width: 1024px) {
    .about-container {
        grid-template-columns: 1fr;
    }
    
    .about-intro {
        position: static;
    }
    
    .explore-grid {
        grid-template-columns: 1fr;
        max-width: 420px;
        margin: 0 auto;
    }
    
    .tickets-grid {
        grid-template-columns: 1fr;
        max-width: 380px;
        margin: 0 auto;
    }
    
    .ticket-card.featured {
        transform: none;
    }
    
    .ticket-card.featured:hover {
        transform: translateY(-8px);
    }
    
    .visit-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        flex-direction: column;
        gap: 0;
        background: var(--color-cream);
        padding: 80px 28px 28px;
        box-shadow: -8px 0 32px rgba(0, 0, 0, 0.1);
        transition: right 0.4s var(--ease-out);
    }
    
    .nav.active {
        right: 0;
    }
    
    .nav-link {
        padding: 14px 0;
        border-bottom: 1px solid rgba(13, 11, 9, 0.08);
        font-size: 15px;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .cover-decor {
        display: none;
    }
    
    .visit-details {
        grid-template-columns: 1fr;
    }
    
    .footer-inner {
        flex-direction: column;
    }
    
    .footer-nav {
        flex-wrap: wrap;
        gap: 40px;
    }
}

/* Print */
@media print {
    .cover-media img {
        transform: none;
    }
    
    .cover-scroll,
    .cover-decor,
    .menu-toggle {
        display: none !important;
    }
}