/* 鸟鸟王国 Bird Kingdom - 官网与法律文档高级 Apple Glassmorphism 主题 */
:root {
    --primary: #10B981;
    --primary-dark: #059669;
    --primary-light: #34D399;
    --bg-color: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --glass-bg: rgba(255, 255, 255, 0.9);
    --glass-border: rgba(255, 255, 255, 0.95);
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
    --shadow-card: 0 20px 45px -10px rgba(16, 185, 129, 0.1), 0 10px 25px -5px rgba(0, 0, 0, 0.03);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* Background Animated Gradient Blobs */
.bg-shape {
    position: fixed;
    filter: blur(80px);
    z-index: -1;
    border-radius: 50%;
    opacity: 0.55;
    pointer-events: none;
}

.shape-1 {
    top: -10%;
    left: -10%;
    width: 650px;
    height: 650px;
    background: radial-gradient(circle, rgba(52, 211, 153, 0.35) 0%, rgba(16, 185, 129, 0.1) 70%, transparent 100%);
    animation: float 14s ease-in-out infinite;
}

.shape-2 {
    top: 45%;
    right: -10%;
    width: 550px;
    height: 550px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.28) 0%, rgba(16, 185, 129, 0.08) 70%, transparent 100%);
    animation: float 12s ease-in-out infinite reverse;
}

.shape-3 {
    bottom: -10%;
    left: 20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(52, 211, 153, 0.18) 0%, transparent 70%);
    animation: float 16s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-25px) scale(1.04); }
}

/* Glass Card Common */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-card);
    border-radius: 24px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 14px 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.brand-logo-img {
    width: 34px !important;
    height: 34px !important;
    max-width: 34px !important;
    max-height: 34px !important;
    border-radius: 9px;
    object-fit: cover;
    flex-shrink: 0;
    display: inline-block;
    vertical-align: middle;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.brand-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-dark);
    letter-spacing: -0.3px;
    display: inline-block;
}

.nav-links {
    display: flex;
    gap: 28px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-size: 15px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
    font-weight: 600;
}

.btn-outline {
    border: 1.5px solid var(--primary);
    color: var(--primary) !important;
    padding: 7px 18px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s;
}

.btn-outline:hover {
    background: var(--primary);
    color: white !important;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
    color: white !important;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15.5px;
    text-decoration: none;
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.25);
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(16, 185, 129, 0.35);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.9);
    color: var(--text-main) !important;
    border: 1px solid rgba(0, 0, 0, 0.08);
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: white;
    border-color: var(--primary);
    color: var(--primary) !important;
    transform: translateY(-2px);
}

.svg-icon {
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
}

/* Hero Section */
.hero {
    max-width: 1200px;
    margin: 130px auto 70px;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 50px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--primary-dark);
    border-radius: 50px;
    font-weight: 600;
    font-size: 13.5px;
    margin-bottom: 24px;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.7; }
}

.hero-content h1 {
    font-size: 46px;
    font-weight: 800;
    line-height: 1.18;
    letter-spacing: -1.2px;
    margin-bottom: 20px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-dark), #0284c7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 16.5px;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 30px;
    max-width: 540px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    align-items: center;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-top: 36px;
    padding-top: 24px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-size: 22px;
    font-weight: 800;
    color: var(--primary-dark);
    line-height: 1.2;
}

.stat-label {
    font-size: 12.5px;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 2px;
}

.stat-divider {
    width: 1px;
    height: 32px;
    background: rgba(0, 0, 0, 0.08);
}

/* Hero Mockup Card */
.mockup-card {
    padding: 24px;
    background: rgba(255, 255, 255, 0.85);
}

.mockup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.mockup-header .dots {
    display: flex;
    gap: 8px;
}

.mockup-header .dots span {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: #cbd5e1;
}

.mockup-header .dots span:nth-child(1) { background: #f87171; }
.mockup-header .dots span:nth-child(2) { background: #fbbf24; }
.mockup-header .dots span:nth-child(3) { background: #34d399; }

.mockup-status {
    font-size: 11px;
    font-weight: 600;
    color: var(--primary-dark);
    background: rgba(16, 185, 129, 0.1);
    padding: 3px 8px;
    border-radius: 6px;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.mockup-body {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mockup-item {
    display: flex;
    align-items: center;
    gap: 14px;
    background: rgba(255, 255, 255, 0.95);
    padding: 16px;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.mockup-item .icon-box {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.mockup-item .icon-box.pulse {
    animation: pulse-glow 2.5s infinite;
}

@keyframes pulse-glow {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.item-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.item-title {
    font-size: 14.5px;
    font-weight: 700;
    color: var(--text-main);
}

.item-sub {
    font-size: 12.5px;
    color: var(--text-muted);
}

.item-wave {
    display: flex;
    align-items: flex-end;
    gap: 3px;
    height: 16px;
    margin-top: 2px;
}

.wave-bar {
    width: 3px;
    background: var(--primary);
    border-radius: 3px;
    animation: wave-bar 1.2s ease-in-out infinite alternate;
}

.wave-bar.h-1 { height: 6px; animation-delay: 0.1s; }
.wave-bar.h-2 { height: 12px; animation-delay: 0.3s; }
.wave-bar.h-3 { height: 16px; animation-delay: 0.2s; }
.wave-bar.h-4 { height: 14px; animation-delay: 0.4s; }

@keyframes wave-bar {
    0% { transform: scaleY(0.4); }
    100% { transform: scaleY(1.2); }
}

.status-pill {
    font-size: 11.5px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 50px;
    flex-shrink: 0;
}

.status-pill.green {
    background: #dcfce7;
    color: #15803d;
    border: 1px solid rgba(22, 163, 74, 0.2);
}

.status-pill.blue {
    background: #e0f2fe;
    color: #0369a1;
    border: 1px solid rgba(2, 132, 199, 0.2);
}

.status-pill.orange {
    background: #fef3c7;
    color: #b45309;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

/* Features Section */
.features {
    max-width: 1200px;
    margin: 80px auto;
    padding: 0 24px;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    padding: 5px 14px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--primary-dark);
    border-radius: 50px;
    font-weight: 600;
    font-size: 13px;
    margin-bottom: 12px;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.section-header h2 {
    font-size: 34px;
    font-weight: 800;
    letter-spacing: -0.6px;
    margin-bottom: 10px;
    color: var(--text-main);
}

.section-header p {
    font-size: 16px;
    color: var(--text-muted);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.feature-card {
    padding: 28px 24px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 50px -10px rgba(16, 185, 129, 0.16), 0 10px 20px -5px rgba(0, 0, 0, 0.04);
    border-color: rgba(16, 185, 129, 0.35);
}

.feature-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 8px 16px rgba(16, 185, 129, 0.2);
}

.feature-tag {
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-dark);
    background: rgba(16, 185, 129, 0.1);
    padding: 4px 10px;
    border-radius: 50px;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.feature-card h3 {
    font-size: 18.5px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-main);
    line-height: 1.35;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 20px;
    flex: 1;
}

.feature-action {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    gap: 4px;
    transition: transform 0.2s ease;
}

.feature-card:hover .feature-action {
    transform: translateX(4px);
}

/* Support Section */
.support-section {
    max-width: 1200px;
    margin: 80px auto;
    padding: 0 24px;
}

.support-card {
    padding: 40px 48px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(240, 253, 244, 0.9));
}

.support-content h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 10px;
}

.support-content p {
    color: var(--text-muted);
    font-size: 15.5px;
    max-width: 600px;
    line-height: 1.7;
    margin-bottom: 16px;
}

.contact-info {
    display: flex;
    gap: 20px;
    color: var(--text-main);
    font-weight: 500;
    font-size: 14.5px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
}

/* Modal Styling */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-backdrop.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-card {
    max-width: 680px;
    width: 100%;
    max-height: 90vh;
    background: rgba(255, 255, 255, 0.97);
    border-radius: 28px;
    padding: 34px 34px 30px;
    position: relative;
    overflow-y: auto;
    transform: scale(0.92) translateY(20px);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.25);
}

.modal-backdrop.active .modal-card {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 22px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #f1f5f9;
    border: none;
    font-size: 22px;
    line-height: 1;
    color: #64748b;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    z-index: 10;
}

.modal-close:hover {
    background: #e2e8f0;
    color: #0f172a;
}

.modal-header-box {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 22px;
}

.modal-icon-badge {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.25);
}

.modal-header-text h2 {
    font-size: 23px;
    font-weight: 800;
    letter-spacing: -0.4px;
    margin: 4px 0;
    color: var(--text-main);
}

.modal-subtitle {
    font-size: 14px;
    color: var(--text-muted);
}

.modal-image-wrapper {
    width: 100%;
    margin-bottom: 22px;
    text-align: center;
    background: linear-gradient(135deg, #f0fdf4, #f8fafc);
    padding: 16px;
    border-radius: 20px;
    border: 1px solid rgba(16, 185, 129, 0.15);
}

.modal-feature-img {
    max-width: 300px;
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.12);
    display: inline-block;
}

.modal-desc-box {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-left: 4px solid var(--primary);
    padding: 16px 20px;
    border-radius: 14px;
    margin-bottom: 22px;
}

.modal-desc-box h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 6px;
}

.modal-desc-box p {
    font-size: 14px;
    color: #334155;
    line-height: 1.7;
}

.modal-steps-box h4 {
    font-size: 15.5px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 12px;
}

.modal-steps-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.modal-step-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    background: rgba(240, 253, 244, 0.5);
    border: 1px solid rgba(16, 185, 129, 0.15);
    padding: 12px 16px;
    border-radius: 12px;
}

.step-num {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 1px;
}

.step-text {
    font-size: 13.5px;
    color: #1e293b;
    line-height: 1.6;
}

/* Document Pages (Privacy, Terms, About) */
.doc-container {
    max-width: 880px;
    margin: 120px auto 80px;
    padding: 0 24px;
    position: relative;
    z-index: 10;
}

.doc-header {
    text-align: center;
    margin-bottom: 36px;
}

.doc-header h1 {
    font-size: 38px;
    font-weight: 800;
    letter-spacing: -0.8px;
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--primary-dark), #0284c7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.doc-header p {
    font-size: 15px;
    color: var(--text-muted);
}

.doc-card {
    background: var(--glass-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-card);
    border-radius: 28px;
    padding: 50px 48px;
}

.intro-box {
    background: linear-gradient(135deg, #f0fdf4, #ecfdf5);
    border: 1px solid rgba(16, 185, 129, 0.25);
    border-left: 4px solid var(--primary);
    padding: 24px 26px;
    border-radius: 16px;
    margin-bottom: 40px;
    color: #1e293b;
    font-size: 15.5px;
    line-height: 1.8;
}

.section {
    margin-bottom: 38px;
}

.section-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.subsection {
    margin: 20px 0 14px;
}

.subsection-title {
    font-weight: 700;
    font-size: 16px;
    margin-bottom: 10px;
    color: var(--text-main);
}

.section-content {
    color: #334155;
    font-size: 15px;
    line-height: 1.8;
}

.section-content p {
    margin-bottom: 14px;
}

.section-content ul {
    list-style: none;
    margin: 12px 0 18px 0;
    padding-left: 0;
}

.section-content li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    line-height: 1.7;
}

.section-content li::before {
    content: "•";
    color: var(--primary);
    font-size: 18px;
    position: absolute;
    left: 4px;
    top: -2px;
}

.contact-card {
    background: linear-gradient(135deg, rgba(240, 253, 244, 0.8), rgba(255, 255, 255, 0.9));
    border: 1px solid rgba(16, 185, 129, 0.25);
    border-radius: 20px;
    padding: 36px 30px;
    text-align: center;
    color: var(--text-main);
    margin-top: 50px;
    box-shadow: 0 10px 25px -5px rgba(16, 185, 129, 0.1);
}

.contact-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--primary-dark);
}

.contact-card p {
    margin-bottom: 20px;
    color: var(--text-muted);
    font-size: 15px;
}

.email-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
    padding: 11px 30px;
    border-radius: 50px;
    color: white !important;
    text-decoration: none;
    font-weight: 600;
    font-size: 15.5px;
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.25);
    transition: all 0.3s;
}

.email-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(16, 185, 129, 0.35);
}

.response-time {
    font-size: 13.5px;
    color: var(--text-muted);
    margin-top: 15px;
}

/* Footer */
.footer {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 50px 24px 30px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    margin-top: 60px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 30px;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 12px;
    font-size: 14px;
    max-width: 320px;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.link-group h4 {
    margin-bottom: 16px;
    color: var(--text-main);
    font-size: 15px;
    font-weight: 600;
}

.link-group a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 10px;
    font-size: 14px;
    transition: color 0.2s;
}

.link-group a:hover {
    color: var(--primary);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    color: var(--text-muted);
    font-size: 13.5px;
}

/* ========================================================
   拔花互动生态草地 & 1/1000 惊喜宝箱彩蛋 (Interactive Meadow & Chest)
   ======================================================== */

.meadow-section {
    position: relative;
    width: 100%;
    margin-top: 70px;
    padding-top: 40px;
    background: linear-gradient(180deg, rgba(248, 250, 252, 0) 0%, rgba(209, 250, 229, 0.4) 30%, rgba(167, 243, 208, 0.6) 100%);
    overflow: hidden;
    user-select: none;
    -webkit-user-select: none;
}

.meadow-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 10px;
    padding: 0 20px;
    position: relative;
    z-index: 5;
}

.meadow-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.3px;
    cursor: default;
}

/* 草地容器 */
.meadow-field {
    position: relative;
    height: 220px;
    width: 100%;
    overflow: visible;
}

/* 自然环境粒子 (蒲公英与萤火虫) */
.meadow-env {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none !important;
    z-index: 2;
}

.dandelion-seed {
    position: absolute;
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.85);
    border-radius: 50%;
    box-shadow: 0 0 6px rgba(255, 255, 255, 0.9);
    animation: dandelionFloat 14s linear infinite;
    pointer-events: none !important;
}

.dandelion-seed::after {
    content: '';
    position: absolute;
    top: 4px;
    left: 3px;
    width: 2px;
    height: 9px;
    background: rgba(255, 255, 255, 0.6);
    transform: rotate(20deg);
    pointer-events: none !important;
}

@keyframes dandelionFloat {
    0% {
        transform: translate(0, 180px) rotate(0deg);
        opacity: 0;
    }
    15% {
        opacity: 0.8;
    }
    85% {
        opacity: 0.8;
    }
    100% {
        transform: translate(140px, -60px) rotate(180deg);
        opacity: 0;
    }
}

/* 飞舞的小蝴蝶 */
.meadow-butterfly {
    position: absolute;
    width: 24px;
    height: 24px;
    top: 20px;
    left: 15%;
    pointer-events: none !important;
    z-index: 6;
    animation: butterflyFly 22s ease-in-out infinite alternate;
}

.butterfly-wing {
    display: inline-block;
    width: 10px;
    height: 14px;
    background: linear-gradient(135deg, #f472b6, #c084fc);
    border-radius: 50% 50% 20% 50%;
    opacity: 0.85;
    animation: flapWing 0.25s ease-in-out infinite alternate;
    pointer-events: none !important;
}

.butterfly-wing.right {
    transform: scaleX(-1);
}

@keyframes flapWing {
    0% { transform: scaleX(1) rotate(10deg); }
    100% { transform: scaleX(0.2) rotate(-10deg); }
}

@keyframes butterflyFly {
    0% { transform: translate(0, 30px) scale(0.9); }
    25% { transform: translate(180px, -20px) scale(1.1); }
    50% { transform: translate(450px, 40px) scale(0.95); }
    75% { transform: translate(750px, -15px) scale(1.05); }
    100% { transform: translate(1000px, 20px) scale(0.9); }
}

/* 多层草地波浪 - 绝不拦截鼠标点击事件 */
.grass-layer {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    line-height: 0;
    pointer-events: none !important;
}

.grass-layer * {
    pointer-events: none !important;
}

.grass-layer-back {
    z-index: 1;
    opacity: 0.65;
    animation: grassSwayBack 5s ease-in-out infinite alternate;
}

.grass-layer-mid {
    z-index: 3;
    opacity: 0.9;
    animation: grassSwayMid 4s ease-in-out infinite alternate;
}

.grass-layer-front {
    z-index: 5;
    animation: grassSwayFront 3.2s ease-in-out infinite alternate;
}

@keyframes grassSwayBack {
    0% { transform: skewX(-1.5deg) scaleY(1); }
    100% { transform: skewX(1.5deg) scaleY(1.03); }
}

@keyframes grassSwayMid {
    0% { transform: skewX(1.8deg); }
    100% { transform: skewX(-1.8deg); }
}

@keyframes grassSwayFront {
    0% { transform: skewX(-2.2deg) scaleY(1.02); }
    100% { transform: skewX(2.2deg) scaleY(0.98); }
}

/* 花朵群容器 - 处于高层级并接收全部点击与触摸 */
.flowers-bed {
    position: absolute;
    bottom: 15px;
    left: 0;
    width: 100%;
    height: 160px;
    z-index: 15;
    display: flex;
    justify-content: space-around;
    align-items: flex-end;
    padding: 0 5%;
    pointer-events: auto;
}

/* 单个花朵包裹层 */
.flower-item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    cursor: pointer;
    transition: transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
    transform-origin: bottom center;
    touch-action: manipulation;
    z-index: 16;
    padding: 18px 14px;
    margin: 0 4px;
    pointer-events: auto !important;
}

.flower-item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    cursor: pointer;
    touch-action: manipulation;
    z-index: 35;
    width: 72px;
    height: 120px;
    margin: 0 2px;
    pointer-events: auto !important;
}

.flower-item * {
    pointer-events: none !important;
}

/* 花朵本体包裹层与微风呼吸 */
.flower-svg-wrap {
    position: absolute;
    bottom: 12px;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    transform-origin: bottom center;
    transition: transform 0.35s cubic-bezier(0.25, 1, 0.5, 1), filter 0.3s ease;
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.08));
}

.flower-item:hover .flower-svg-wrap {
    transform: scale(1.18) rotate(4deg) translateY(-6px);
    filter: drop-shadow(0 8px 18px rgba(16, 185, 129, 0.35)) brightness(1.08);
}

/* 随风微风摇曳 */
.flower-sway-1 { animation: flowerWind1 3.6s ease-in-out infinite alternate; }
.flower-sway-2 { animation: flowerWind2 4.2s ease-in-out infinite alternate; }
.flower-sway-3 { animation: flowerWind3 3.8s ease-in-out infinite alternate; }
.flower-sway-4 { animation: flowerWind4 4.5s ease-in-out infinite alternate; }

@keyframes flowerWind1 {
    0% { transform: rotate(-3deg); }
    100% { transform: rotate(4deg); }
}
@keyframes flowerWind2 {
    0% { transform: rotate(4deg); }
    100% { transform: rotate(-3deg); }
}
@keyframes flowerWind3 {
    0% { transform: rotate(-5deg); }
    100% { transform: rotate(2deg); }
}
@keyframes flowerWind4 {
    0% { transform: rotate(3deg); }
    100% { transform: rotate(-4deg); }
}

/* 大地灵气水波光晕 (Soil Halo Ripple) */
.soil-halo-ripple {
    position: absolute;
    bottom: 6px;
    width: 44px;
    height: 16px;
    background: radial-gradient(ellipse at center, rgba(52, 211, 153, 0.5) 0%, rgba(16, 185, 129, 0.25) 45%, rgba(16, 185, 129, 0) 75%);
    border-radius: 50%;
    opacity: 0;
    transform: scale(0.6);
    transition: all 0.5s ease;
    z-index: 1;
}
.flower-item.is-plucked .soil-halo-ripple,
.flower-item.is-sprouting .soil-halo-ripple {
    opacity: 1;
    transform: scale(1.2);
    animation: soilHaloPulse 2.8s ease-in-out infinite alternate;
}
@keyframes soilHaloPulse {
    0% { transform: scale(1); opacity: 0.7; }
    100% { transform: scale(1.4); opacity: 1; filter: drop-shadow(0 0 8px rgba(52, 211, 153, 0.6)); }
}

/* 嫩芽幼苗容器 (Aesthetic Emerald Sprout) */
.sprout-wrap {
    position: absolute;
    bottom: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transform-origin: bottom center;
    z-index: 5;
}
.sprout-svg {
    width: 36px;
    height: 42px;
    filter: drop-shadow(0 4px 12px rgba(34, 197, 94, 0.5));
}
.sprout-sparkle-halo {
    position: absolute;
    top: -12px;
    font-size: 15px;
    animation: fairyDustGlow 1.2s ease-in-out infinite alternate;
}
@keyframes fairyDustGlow {
    0% { transform: scale(0.8) rotate(-10deg); opacity: 0.6; filter: drop-shadow(0 0 4px #86efac); }
    100% { transform: scale(1.3) rotate(15deg); opacity: 1; filter: drop-shadow(0 0 10px #fef08a); }
}

/* 阶段 1: 花灵飞升升华 (Ethereal Floral Ascent) */
.flower-item.is-plucking .flower-svg-wrap {
    animation: flowerEtherealAscent 0.85s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
@keyframes flowerEtherealAscent {
    0% {
        transform: translateY(0) scale(1) rotate(0deg);
        opacity: 1;
        filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.1)) brightness(1);
    }
    30% {
        transform: translateY(-28px) scale(1.15, 0.95) rotate(-5deg);
        opacity: 1;
        filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.9)) brightness(1.25);
    }
    65% {
        transform: translateY(-58px) scale(1.05, 1.1) rotate(8deg);
        opacity: 0.85;
        filter: drop-shadow(0 0 28px rgba(254, 240, 138, 0.8)) brightness(1.4);
    }
    100% {
        transform: translateY(-85px) scale(0.2) rotate(20deg);
        opacity: 0;
        filter: brightness(1.8) blur(6px);
    }
}

.flower-item.is-plucked .flower-svg-wrap {
    display: none;
}

/* 阶段 3: 破土舒展萌发 (Organic Sprout Growth) */
.flower-item.is-sprouting .flower-svg-wrap {
    display: none;
}
.flower-item.is-sprouting .sprout-wrap {
    opacity: 1;
    animation: sproutEmergeBreathe 3.6s ease-in-out forwards;
}
@keyframes sproutEmergeBreathe {
    0% {
        transform: scale(0) translateY(22px);
        opacity: 0;
        filter: blur(4px);
    }
    15% {
        transform: scale(1.2) translateY(-6px) rotate(-6deg);
        opacity: 1;
        filter: blur(0);
    }
    30% {
        transform: scale(1) translateY(0) rotate(4deg);
    }
    50% {
        transform: scale(1.08) translateY(-3px) rotate(-4deg);
    }
    70% {
        transform: scale(1.18) translateY(-5px) rotate(4deg);
    }
    88% {
        transform: scale(1.35) translateY(-8px) rotate(0deg);
        opacity: 1;
        filter: brightness(1.2) drop-shadow(0 0 15px rgba(74, 222, 128, 0.8));
    }
    100% {
        transform: scale(0.6) translateY(-14px);
        opacity: 0;
        filter: blur(2px);
    }
}

/* 阶段 4: 华美盛开怒放 (Lush Bloom Rebirth) */
.flower-item.is-blooming .flower-svg-wrap {
    display: flex;
    animation: flowerLushRebloom 0.9s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}
.flower-item.is-blooming .sprout-wrap {
    display: none;
}
@keyframes flowerLushRebloom {
    0% {
        transform: scale(0) rotate(-45deg);
        opacity: 0;
        filter: brightness(1.6) blur(6px);
    }
    55% {
        transform: scale(1.3) rotate(8deg);
        opacity: 1;
        filter: brightness(1.2) drop-shadow(0 0 25px rgba(254, 240, 138, 0.7));
    }
    80% {
        transform: scale(0.96) rotate(-3deg);
        filter: brightness(1.05);
    }
    100% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
        filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.08));
    }
}

/* 落英缤纷 · 唯美有机花瓣粒子 (Organic Swirling Petals) */
.dreamy-petal-svg {
    position: absolute;
    pointer-events: none;
    z-index: 28;
    transform-origin: center center;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.12));
    animation: dreamyPetalDrift 1.6s cubic-bezier(0.2, 0.8, 0.25, 1) forwards;
}
@keyframes dreamyPetalDrift {
    0% {
        transform: translate(0, 0) rotate(0deg) scale(0.6);
        opacity: 0;
    }
    15% {
        transform: translate(var(--dx1), var(--dy1)) rotateX(var(--rx1)) rotateY(var(--ry1)) rotateZ(var(--rz1)) scale(1.15);
        opacity: 1;
    }
    55% {
        transform: translate(var(--dx2), var(--dy2)) rotateX(var(--rx2)) rotateY(var(--ry2)) rotateZ(var(--rz2)) scale(1);
        opacity: 0.92;
    }
    100% {
        transform: translate(var(--dx3), var(--dy3)) rotateX(var(--rx3)) rotateY(var(--ry3)) rotateZ(var(--rz3)) scale(0.7);
        opacity: 0;
    }
}

/* 梦幻星尘与精灵微光粒子 (Fairy Stardust Sparkles) */
.fairy-stardust-elem {
    position: absolute;
    pointer-events: none;
    z-index: 32;
    font-size: 14px;
    animation: fairyStardustFloat 1.2s ease-out forwards;
}
@keyframes fairyStardustFloat {
    0% {
        transform: translate(0, 0) scale(0.3) rotate(0deg);
        opacity: 0;
    }
    30% {
        transform: translate(var(--tx1), var(--ty1)) scale(1.3) rotate(45deg);
        opacity: 1;
        filter: drop-shadow(0 0 8px #fef08a);
    }
    70% {
        transform: translate(var(--tx2), var(--ty2)) scale(1) rotate(90deg);
        opacity: 0.85;
    }
    100% {
        transform: translate(var(--tx3), var(--ty3)) scale(0.2) rotate(180deg);
        opacity: 0;
    }
}

/* 诗意玻璃拟态唯美浮动飘字 */
.float-poem-tag {
    position: absolute;
    pointer-events: none;
    z-index: 45;
    font-size: 14px;
    font-weight: 600;
    color: #065f46;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(52, 211, 153, 0.45);
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.22), 0 0 15px rgba(255, 255, 255, 0.8) inset;
    padding: 6px 16px;
    border-radius: 30px;
    white-space: nowrap;
    letter-spacing: 0.4px;
    transform: translate(-50%, -100%);
    animation: floatPoemRise 1.5s cubic-bezier(0.18, 0.89, 0.32, 1.2) forwards;
}
@keyframes floatPoemRise {
    0% {
        transform: translate(-50%, 0) scale(0.7);
        opacity: 0;
        filter: blur(4px);
    }
    25% {
        transform: translate(-50%, -28px) scale(1.1);
        opacity: 1;
        filter: blur(0);
    }
    75% {
        transform: translate(-50%, -60px) scale(1);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -95px) scale(0.85);
        opacity: 0;
        filter: blur(2px);
    }
}

/* ========================================================
   1/1000 惊喜优惠宝箱弹窗体系 (Treasure Chest Modal)
   ======================================================== */

.chest-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.82);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 2000;
    display: none;
    justify-content: center;
    align-items: center;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.35s ease;
}

.chest-backdrop.active {
    display: flex;
    opacity: 1;
}

/* 旋转金色背景光芒 */
.chest-sunburst {
    position: absolute;
    width: 800px;
    height: 800px;
    background: repeating-conic-gradient(
        from 0deg,
        rgba(251, 191, 36, 0.16) 0deg 15deg,
        transparent 15deg 30deg
    );
    border-radius: 50%;
    animation: sunburstRotate 20s linear infinite;
    pointer-events: none;
    z-index: 1;
}

@keyframes sunburstRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 宝箱弹窗卡片 */
.chest-modal-card {
    position: relative;
    z-index: 2;
    max-width: 480px;
    width: 100%;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(254, 243, 199, 0.95));
    border: 2px solid rgba(245, 158, 11, 0.4);
    border-radius: 28px;
    padding: 36px 28px 30px;
    text-align: center;
    box-shadow: 0 25px 60px -10px rgba(245, 158, 11, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.8);
    transform: scale(0.7) translateY(30px);
    animation: chestPopIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes chestPopIn {
    0% { transform: scale(0.6) translateY(40px); opacity: 0; }
    100% { transform: scale(1) translateY(0); opacity: 1; }
}

/* 3D 宝箱动画容器 */
.chest-box-icon {
    position: relative;
    width: 110px;
    height: 100px;
    margin: 0 auto 16px;
    animation: chestBounce 2s ease-in-out infinite alternate;
}

@keyframes chestBounce {
    0% { transform: translateY(0) rotate(-2deg); }
    100% { transform: translateY(-8px) rotate(2deg); }
}

/* 彩蛋标签 */
.chest-tag {
    display: inline-block;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    padding: 4px 16px;
    border-radius: 50px;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
    margin-bottom: 12px;
}

.chest-modal-card h2 {
    font-size: 24px;
    font-weight: 800;
    color: #78350f;
    margin-bottom: 8px;
}

.chest-modal-card p.chest-desc {
    font-size: 14.5px;
    color: #92400e;
    line-height: 1.5;
    margin-bottom: 20px;
}

/* 优惠券兑换码卡片 */
.coupon-card {
    background: rgba(255, 255, 255, 0.9);
    border: 2px dashed rgba(245, 158, 11, 0.6);
    border-radius: 18px;
    padding: 16px 20px;
    margin-bottom: 22px;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.1);
}

.coupon-label {
    font-size: 12.5px;
    color: #b45309;
    font-weight: 600;
    margin-bottom: 6px;
}

.coupon-code-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
}

.coupon-code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 22px;
    font-weight: 800;
    color: #b45309;
    letter-spacing: 2px;
}

.btn-copy-code {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
    border: none;
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 10px rgba(245, 158, 11, 0.3);
}

.btn-copy-code:hover {
    transform: scale(1.05);
    background: linear-gradient(135deg, #d97706, #b45309);
}

.btn-copy-code.copied {
    background: linear-gradient(135deg, #10b981, #059669);
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
}

/* 权益小胶囊列表 */
.chest-perks {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.perk-pill {
    background: rgba(254, 243, 199, 0.8);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #92400e;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 30px;
}

/* 宝箱按钮 */
.chest-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn-chest-primary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff !important;
    padding: 13px 24px;
    border-radius: 50px;
    font-size: 15.5px;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.35);
    transition: all 0.3s ease;
}

.btn-chest-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(245, 158, 11, 0.45);
}

.btn-chest-close {
    background: transparent;
    border: none;
    color: #92400e;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    padding: 8px;
    transition: color 0.2s;
}

.btn-chest-close:hover {
    color: #451a03;
    text-decoration: underline;
}

/* 全屏庆祝彩带 Canvas */
#confettiCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 2005;
    display: none;
}

#confettiCanvas.active {
    display: block;
}

/* Responsive */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero {
        grid-template-columns: 1fr;
        margin: 100px auto 40px;
        gap: 30px;
    }
    .hero-content h1 {
        font-size: 32px;
    }
    .hero-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    .stat-divider {
        display: none;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .support-card {
        flex-direction: column;
        align-items: flex-start;
        padding: 30px 24px;
    }
    .footer-container {
        flex-direction: column;
    }
    .nav-links {
        display: none;
    }
    .modal-card {
        padding: 24px 18px;
    }
    .modal-header-box {
        flex-direction: column;
        gap: 12px;
    }
    .meadow-field {
        height: 190px;
    }
    .flowers-bed {
        height: 140px;
        padding: 0 10px;
    }
    .chest-modal-card {
        padding: 28px 20px 24px;
    }
}