/* ============================================
   weather-phenomena.css — 天气现象页面样式
   迪卓依思 · 地理志 (djoyce.com)
   ============================================ */

/* ---- Hero ---- */
.wp-hero {
    min-height: 70vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(160deg, #0a1628 0%, #1a3a5c 40%, #0d2137 100%);
    padding-top: 72px;
}
.wp-hero-canvas {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 1;
}
.wp-hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    padding: var(--space-4xl) var(--space-lg);
    color: white;
}
.wp-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.15);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    margin-bottom: var(--space-xl);
    letter-spacing: 0.05em;
}
.wp-hero-badge .dot {
    width: 8px; height: 8px;
    background: var(--color-secondary-light);
    border-radius: 50%;
    animation: pulse 2s infinite;
}
.wp-hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    margin-bottom: var(--space-md);
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.wp-hero h1 .highlight {
    background: linear-gradient(135deg, #4FC3F7, #81D4FA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.wp-hero p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255,255,255,0.75);
    line-height: 1.8;
    max-width: 640px;
    margin: 0 auto var(--space-xl);
}
.wp-hero-meta {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
    font-size: 0.9375rem;
    color: rgba(255,255,255,0.6);
}
.wp-hero-meta span {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

/* ---- Overview ---- */
.wp-overview {
    background: var(--color-bg);
    padding: var(--space-4xl) 0;
}
.cloud-intro, .precip-intro, .front-intro, .severe-intro {
    max-width: 900px;
    margin: 0 auto var(--space-2xl);
    text-align: center;
    color: var(--color-text-secondary);
    line-height: 1.9;
    font-size: 1.0625rem;
}
.cloud-intro strong, .precip-intro strong, .front-intro strong, .severe-intro strong {
    color: var(--color-text);
}


/* ---- 概述区域（补充自 meteorology.css） ---- */
.overview-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.overview-text h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--space-lg);
    color: var(--color-text);
}

.overview-text p {
    color: var(--color-text-secondary);
    line-height: 1.9;
    margin-bottom: var(--space-md);
    font-size: 1rem;
}

.overview-text .lead {
    font-size: 1.125rem;
    color: var(--color-text);
    font-weight: 500;
}

.overview-info-box {
    background: var(--color-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    position: sticky;
    top: 100px;
}

.info-box-title {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    margin-bottom: var(--space-lg);
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.info-item {
    display: flex;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-border-light);
    font-size: 0.9375rem;
}

.info-item:last-child {
    border-bottom: none;
}

.info-item .label {
    color: var(--color-text-secondary);
}

.info-item .value {
    color: var(--color-text);
    font-weight: 600;
}

.related-columns {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border-light);
}

.related-columns h4 {
    font-size: 0.9375rem;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.related-columns a {
    display: inline-block;
    padding: 4px 12px;
    background: var(--color-sky);
    color: var(--color-secondary-dark);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    margin: 4px 4px 4px 0;
    transition: var(--transition-fast);
}

.related-columns a:hover {
    background: var(--color-secondary);
    color: white;
}

/* 概述区域响应式 */
@media (max-width: 1023px) {
    .overview-grid {
        grid-template-columns: 1fr;
    }
    .overview-info-box {
        position: static;
    }
}

/* ---- Module Sections ---- */
.wp-module {
    padding: var(--space-4xl) 0;
    background: var(--color-bg);
}
.wp-module-alt {
    background: var(--color-card);
}

/* ---- Cloud Tabs ---- */
.cloud-family-tabs {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}
.cloud-tab {
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    background: var(--color-card);
    border: 2px solid var(--color-border-light);
    transition: var(--transition-base);
    cursor: pointer;
    text-align: center;
    line-height: 1.4;
}
.cloud-tab span {
    font-size: 0.8125rem;
    font-weight: 400;
    color: var(--color-text-muted);
    display: block;
    margin-top: 2px;
}
.cloud-tab:hover {
    border-color: var(--color-secondary-light);
    color: var(--color-secondary-dark);
}
.cloud-tab.active {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-light));
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(2,119,189,0.3);
}
.cloud-tab.active span {
    color: rgba(255,255,255,0.8);
}

.cloud-panels .cloud-panel {
    display: none;
}
.cloud-panels .cloud-panel.active {
    display: block;
    animation: fadeIn 0.4s ease;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.cloud-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}
.cloud-card {
    background: var(--color-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    transition: var(--transition-base);
}
.cloud-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-secondary-light);
}
.cloud-canvas-wrap {
    width: 100%;
    aspect-ratio: 280/160;
    background: linear-gradient(180deg, #E3F2FD 0%, #BBDEFB 100%);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--space-md);
}
.cloud-canvas-wrap canvas {
    width: 100%;
    height: 100%;
    display: block;
}
.cloud-card h4 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}
.cloud-code {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-secondary);
    background: var(--color-sky);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    margin-left: var(--space-xs);
}
.cloud-desc {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}
.cloud-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.cloud-tags span {
    font-size: 0.75rem;
    padding: 3px 10px;
    background: var(--color-sky);
    color: var(--color-secondary-dark);
    border-radius: var(--radius-full);
}

.cloud-elevation-chart {
    margin-top: var(--space-3xl);
    text-align: center;
}
.cloud-elevation-chart h3 {
    font-family: var(--font-heading);
    margin-bottom: var(--space-lg);
    color: var(--color-text);
}
.cloud-elevation-chart canvas {
    width: 100%;
    max-width: 900px;
    height: auto;
    background: linear-gradient(180deg, #E1F5FE 0%, #FFF3E0 30%, #E8F5E9 60%, #FAFAFA 100%);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
}

/* ---- Precipitation ---- */
.precip-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}
.precip-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
}
.precip-card h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    padding: var(--space-lg) var(--space-xl) var(--space-sm);
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}
.precip-icon {
    font-size: 1.5rem;
}
.precip-canvas-wrap {
    width: 100%;
    aspect-ratio: 500/320;
    background: linear-gradient(180deg, #E3F2FD, #BBDEFB);
}
.precip-canvas-wrap canvas {
    width: 100%;
    height: 100%;
    display: block;
}
.precip-content {
    padding: var(--space-lg) var(--space-xl) var(--space-xl);
}
.precip-content p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}
.precip-formula {
    background: var(--color-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-top: var(--space-md);
    text-align: center;
}
.precip-formula span {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--color-text);
}
.precip-formula small {
    display: block;
    margin-top: var(--space-xs);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.precip-types h3 {
    font-family: var(--font-heading);
    text-align: center;
    margin-bottom: var(--space-xl);
    color: var(--color-text);
}
.precip-types-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}
.ptype-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    transition: var(--transition-base);
}
.ptype-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}
.ptype-visual {
    width: 100%;
    aspect-ratio: 200/120;
    background: linear-gradient(180deg, #E3F2FD, #E8F5E9);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: var(--space-md);
}
.ptype-visual canvas {
    width: 100%;
    height: 100%;
    display: block;
}
.ptype-card h4 {
    font-family: var(--font-heading);
    font-size: 1.0625rem;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}
.ptype-card p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 0;
}

/* ---- Fronts ---- */
.front-types {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}
.front-type-card {
    background: var(--color-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-base);
}
.front-type-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.front-type-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-xl);
    border-bottom: 1px solid var(--color-border-light);
}
.front-badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 700;
    color: white;
}
.front-badge.cold { background: linear-gradient(135deg, #0277BD, #4FC3F7); }
.front-badge.warm { background: linear-gradient(135deg, #FF6F00, #FF9800); }
.front-badge.stationary { background: linear-gradient(135deg, #5D4037, #8D6E63); }
.front-badge.occluded { background: linear-gradient(135deg, #7B1FA2, #BA68C8); }
.front-speed {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}
.front-canvas-wrap {
    width: 100%;
    aspect-ratio: 600/280;
    background: linear-gradient(180deg, #E3F2FD 0%, #FFF8E1 50%, #E8F5E9 100%);
}
.front-canvas-wrap canvas {
    width: 100%;
    height: 100%;
    display: block;
}
.front-desc {
    padding: var(--space-lg) var(--space-xl) var(--space-xl);
}
.front-desc p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}
.front-desc p:last-child {
    margin-bottom: 0;
}

.front-cyclone-model {
    text-align: center;
}
.front-cyclone-model h3 {
    font-family: var(--font-heading);
    margin-bottom: var(--space-lg);
    color: var(--color-text);
}
.cyclone-canvas-wrap {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    aspect-ratio: 900/380;
    background: linear-gradient(90deg, #E3F2FD, #FFF3E0, #E8F5E9, #F3E5F5);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    overflow: hidden;
}
.cyclone-canvas-wrap canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* ---- Severe Weather ---- */
.severe-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}
.severe-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
}
.severe-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
}
.severe-card h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    padding: var(--space-lg) var(--space-xl) var(--space-sm);
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}
.severe-icon {
    font-size: 1.5rem;
}
.severe-canvas-wrap {
    width: 100%;
    aspect-ratio: 600/340;
    background: linear-gradient(180deg, #37474F, #546E7A);
}
.severe-canvas-wrap canvas {
    width: 100%;
    height: 100%;
    display: block;
}
.severe-content {
    padding: var(--space-lg) var(--space-xl) var(--space-xl);
}
.severe-content p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}
.severe-content p:last-child {
    margin-bottom: 0;
}
.life-stages {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}
.stage {
    padding: var(--space-md);
    background: var(--color-card);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-secondary);
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}
.stage strong {
    color: var(--color-text);
    display: block;
    margin-bottom: 4px;
}

/* ---- Data Section ---- */
.wp-data {
    background: var(--color-bg);
    padding: var(--space-4xl) 0;
}
.data-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-xl);
}
.data-card-wide, .data-card {
    background: var(--color-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
}
.data-card-wide h3, .data-card h3 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    margin-bottom: var(--space-md);
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}
.lightning-map-wrap, .chart-wrap {
    width: 100%;
    aspect-ratio: 900/450;
    background: linear-gradient(180deg, #E3F2FD, #E8F5E9);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.chart-wrap {
    aspect-ratio: 500/300;
}
.lightning-map-wrap canvas, .chart-wrap canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* ---- Timeline ---- */
.wp-timeline {
    background: var(--color-card);
    padding: var(--space-4xl) 0;
}
.wp-timeline .timeline-wrapper {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}
.wp-timeline .timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--color-secondary), var(--color-secondary-light));
    transform: translateX(-50%);
}
.wp-timeline .timeline-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
    position: relative;
}
.wp-timeline .timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}
.wp-timeline .timeline-item:last-child {
    margin-bottom: 0;
}
.wp-timeline .timeline-dot {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-light));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
    z-index: 2;
}
.wp-timeline .timeline-content {
    flex: 1;
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    max-width: calc(50% - var(--space-xl));
}
.wp-timeline .timeline-content .year {
    font-size: 0.8125rem;
    color: var(--color-secondary);
    font-weight: 600;
    margin-bottom: var(--space-xs);
}
.wp-timeline .timeline-content h4 {
    font-family: var(--font-heading);
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}
.wp-timeline .timeline-content p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 0;
}
.timeline-tag {
    display: inline-block;
    font-size: 0.75rem;
    padding: 2px 10px;
    border-radius: var(--radius-full);
    background: #FFF3E0;
    color: var(--color-accent);
    font-weight: 500;
    margin-top: var(--space-sm);
}

/* ---- Articles ---- */
.wp-articles {
    background: var(--color-card);
    padding: var(--space-4xl) 0;
}
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

/* ---- Chart Note ---- */
.chart-note {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-top: var(--space-sm);
    text-align: center;
}

/* ---- Responsive ---- */
@media (max-width: 1023px) {
    .cloud-grid { grid-template-columns: repeat(2, 1fr); }
    .precip-grid { grid-template-columns: 1fr; }
    .front-types { grid-template-columns: 1fr; }
    .severe-grid, .severe-grid-2 { grid-template-columns: 1fr; }
    .precip-types-grid { grid-template-columns: repeat(2, 1fr); }
    .data-grid { grid-template-columns: 1fr; }
    .articles-grid { grid-template-columns: repeat(2, 1fr); }

    .wp-timeline .timeline-line { left: 24px; }
    .wp-timeline .timeline-item,
    .wp-timeline .timeline-item:nth-child(even) { flex-direction: row; }
    .wp-timeline .timeline-content { max-width: none; margin-left: var(--space-md); }
}

@media (max-width: 767px) {
    .cloud-grid { grid-template-columns: 1fr; }
    .precip-types-grid { grid-template-columns: 1fr; }
    .articles-grid { grid-template-columns: 1fr; }
    .cloud-family-tabs { gap: var(--space-xs); }
    .cloud-tab { padding: var(--space-sm) var(--space-md); font-size: 0.875rem; }

    .wp-timeline .timeline-line { left: 20px; }
    .wp-timeline .timeline-dot { width: 40px; height: 40px; font-size: 0.625rem; }
}