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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="theme-color" content="#1a0a0e">
<meta name="description" content="樱花时令 · 实时樱花开放预测系统">
<title>樱花时令 Sakura-Time</title>
<link rel="preconnect" href="https://fonts.googleapis.com">
<link href="https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;700&family=Shippori+Mincho:wght@400;600;800&family=IBM+Plex+Mono:wght@300;400&display=swap" rel="stylesheet">
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css">
<style>
/* ── Reset & Tokens ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
--sakura-pale: #fce8ef;
--sakura-blush: #f4b8c8;
--sakura-mid: #e8789a;
--sakura-deep: #c94e78;
--sakura-ink: #7a1a3a;
--night: #0d0509;
--night-2: #180b10;
--night-3: #261120;
--surface: #1e0e16;
--surface-2: #2d1520;
--border: rgba(232,120,154,0.15);
--border-2: rgba(232,120,154,0.30);
--text-primary: #f8e8ef;
--text-muted: rgba(248,232,239,0.55);
--text-dim: rgba(248,232,239,0.30);
--gold: #d4a853;
--emerald: #3db87a;
--amber: #e8a040;
--sky: #6ec5e0;
--radius-sm: 4px;
--radius: 8px;
--radius-lg: 16px;
--radius-xl: 24px;
--font-serif: 'Shippori Mincho', 'Noto Serif JP', serif;
--font-mono: 'IBM Plex Mono', monospace;
--shadow: 0 4px 24px rgba(0,0,0,0.6);
--shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
}
html, body { min-height: 100%; overflow-x: hidden; }
body {
font-family: var(--font-serif);
background: var(--night);
color: var(--text-primary);
display: flex;
flex-direction: column;
}
.hidden { display: none !important; }
/* ── Petal Particles ────────────────────────────────────────────────────── */
#petals-canvas {
position: fixed; inset: 0;
pointer-events: none;
z-index: 0;
opacity: 0.4;
}
/* ── Layout ─────────────────────────────────────────────────────────────── */
#app { display: flex; flex-direction: column; height: 100%; position: relative; z-index: 1; }
/* ── Topbar ─────────────────────────────────────────────────────────────── */
#topbar {
display: flex; align-items: center; gap: 20px;
padding: 12px 24px;
background: linear-gradient(135deg, rgba(26,6,14,0.97), rgba(45,21,32,0.97));
border-bottom: 1px solid var(--border-2);
backdrop-filter: blur(20px);
flex-shrink: 0;
z-index: 100;
}
.logo {
display: flex; align-items: center; gap: 10px;
font-size: 22px; font-weight: 800; letter-spacing: -0.02em;
color: var(--sakura-blush); flex-shrink: 0;
}
.logo-ja { font-size: 11px; font-weight: 300; opacity: 0.7; margin-top: 2px; display: block; }
.nav-tabs {
display: flex; gap: 4px;
background: rgba(0,0,0,0.3);
border: 1px solid var(--border);
border-radius: var(--radius);
padding: 3px;
}
.nav-tab {
padding: 6px 14px; border-radius: 5px; cursor: pointer;
font-size: 13px; font-family: var(--font-serif); font-weight: 600;
color: var(--text-muted); border: none; background: none;
transition: all 0.2s; white-space: nowrap;
}
.nav-tab:hover { color: var(--sakura-blush); }
.nav-tab.active {
background: linear-gradient(135deg, var(--sakura-ink), #4a1028);
color: var(--sakura-pale);
box-shadow: 0 2px 8px rgba(201,78,120,0.3);
}
.search-box {
display: flex; align-items: center; gap: 8px;
background: rgba(0,0,0,0.4); border: 1px solid var(--border);
border-radius: var(--radius); padding: 7px 12px;
flex: 1; max-width: 320px;
}
.search-box input {
background: none; border: none; outline: none;
color: var(--text-primary); font-family: var(--font-serif);
font-size: 13px; width: 100%;
}
.search-box input::placeholder { color: var(--text-dim); }
.search-icon { color: var(--text-dim); font-size: 14px; }
.status-badge {
display: inline-flex; align-items: center; gap: 6px;
padding: 6px 12px; border-radius: 20px;
font-size: 11px; font-family: var(--font-mono);
background: rgba(61,184,122,0.12); border: 1px solid rgba(61,184,122,0.3);
color: var(--emerald); margin-left: auto; white-space: nowrap;
cursor: pointer; user-select: none;
}
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--emerald); animation: pulse 2s infinite; }
.refresh-button {
position: absolute; right: 16px; bottom: 16px; z-index: 450;
background: rgba(26,10,14,0.95); border: 1px solid var(--border-2);
color: var(--text-primary); border-radius: 999px;
padding: 10px 16px; font-size: 13px; font-family: var(--font-mono);
cursor: pointer; backdrop-filter: blur(16px);
transition: transform 0.2s, background 0.2s;
}
.refresh-button:hover { transform: translateY(-1px); background: rgba(201,78,120,0.2); }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.5;transform:scale(1.3)} }
/* ── Main Content ────────────────────────────────────────────────────────── */
#main { display: flex; flex: 1; overflow: hidden; }
/* ── Sidebar ─────────────────────────────────────────────────────────────── */
#sidebar {
width: 340px; flex-shrink: 0;
background: linear-gradient(180deg, var(--night-2) 0%, var(--night-3) 100%);
border-right: 1px solid var(--border);
display: flex; flex-direction: column; overflow: hidden;
}
.sidebar-header {
padding: 16px 20px 12px;
border-bottom: 1px solid var(--border);
flex-shrink: 0;
}
.sidebar-title {
font-size: 11px; font-family: var(--font-mono); color: var(--text-muted);
letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 8px;
}
.filter-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
padding: 4px 10px; border-radius: 12px; cursor: pointer;
font-size: 11px; border: 1px solid var(--border);
color: var(--text-muted); background: none; font-family: var(--font-serif);
transition: all 0.2s;
}
.chip:hover { border-color: var(--sakura-mid); color: var(--sakura-blush); }
.chip.active {
background: linear-gradient(135deg, rgba(201,78,120,0.3), rgba(122,26,58,0.3));
border-color: var(--sakura-mid); color: var(--sakura-pale);
}
.spots-list { flex: 1; overflow-y: auto; padding: 8px; }
.spots-list::-webkit-scrollbar { width: 4px; }
.spots-list::-webkit-scrollbar-track { background: transparent; }
.spots-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
.spot-card {
border: 1px solid var(--border);
border-radius: var(--radius);
padding: 14px;
margin-bottom: 8px;
cursor: pointer;
transition: all 0.25s;
background: rgba(255,255,255,0.02);
position: relative;
overflow: hidden;
}
.spot-card::before {
content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
background: var(--sakura-mid); opacity: 0; transition: opacity 0.2s;
}
.spot-card:hover { border-color: var(--border-2); background: rgba(255,255,255,0.04); transform: translateX(2px); }
.spot-card:hover::before, .spot-card.selected::before { opacity: 1; }
.spot-card.selected { border-color: var(--sakura-mid); background: rgba(232,120,154,0.06); }
.spot-card-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 8px; }
.spot-name-cn { font-size: 15px; font-weight: 600; color: var(--sakura-pale); }
.spot-name-ja { font-size: 11px; color: var(--text-dim); margin-top: 1px; }
.spot-region { font-size: 10px; font-family: var(--font-mono); color: var(--text-muted); background: rgba(255,255,255,0.05); padding: 2px 7px; border-radius: 10px; }
.spot-status-row { display: flex; align-items: center; justify-content: space-between; }
.status-pill {
display: inline-flex; align-items: center; gap: 4px;
padding: 3px 9px; border-radius: 12px; font-size: 11px; font-weight: 600;
}
.status-not_yet { background: rgba(100,100,120,0.2); color: #8888aa; border: 1px solid rgba(100,100,120,0.3); }
.status-budding { background: rgba(212,168,83,0.15); color: var(--gold); border: 1px solid rgba(212,168,83,0.3); }
.status-opening { background: rgba(232,160,64,0.15); color: var(--amber); border: 1px solid rgba(232,160,64,0.3); }
.status-blooming { background: rgba(232,120,154,0.15); color: var(--sakura-blush); border: 1px solid rgba(232,120,154,0.3); }
.status-full_bloom{ background: rgba(201,78,120,0.2); color: var(--sakura-pale); border: 1px solid rgba(201,78,120,0.5); }
.status-falling { background: rgba(110,197,224,0.12); color: var(--sky); border: 1px solid rgba(110,197,224,0.3); }
.status-ended { background: rgba(80,80,80,0.2); color: #666; border: 1px solid rgba(80,80,80,0.3); }
.bloom-bar { display: flex; align-items: center; gap: 6px; flex: 1; margin-left: 10px; }
.bloom-bar-track {
flex: 1; height: 4px; background: rgba(255,255,255,0.08); border-radius: 2px; overflow: hidden;
}
.bloom-bar-fill {
height: 100%; border-radius: 2px;
background: linear-gradient(90deg, var(--sakura-ink), var(--sakura-mid), var(--sakura-blush));
transition: width 0.8s ease;
}
.bloom-pct { font-size: 10px; font-family: var(--font-mono); color: var(--text-dim); min-width: 26px; }
.spot-forecast { margin-top: 8px; font-size: 11px; color: var(--text-muted); display: flex; gap: 12px; }
.forecast-date { display: flex; align-items: center; gap: 4px; }
.spot-weather { margin-top: 6px; display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--text-muted); }
/* ── Map ────────────────────────────────────────────────────────────────── */
#map-container {
flex: 1; position: relative; background: var(--night);
}
#map { height: 100%; width: 100%; }
/* Leaflet dark filter */
.leaflet-tile { filter: invert(1) hue-rotate(180deg) brightness(0.85) saturate(0.7); }
.map-controls {
position: absolute; top: 16px; right: 16px; z-index: 400;
display: flex; flex-direction: column; gap: 8px;
}
.map-btn {
width: 38px; height: 38px;
background: rgba(26,10,14,0.95); border: 1px solid var(--border-2);
border-radius: var(--radius); cursor: pointer; color: var(--text-primary);
font-size: 16px; display: flex; align-items: center; justify-content: center;
transition: all 0.2s; backdrop-filter: blur(12px);
}
.map-btn:hover { background: rgba(201,78,120,0.2); border-color: var(--sakura-mid); }
.offline-panel {
position: absolute; bottom: 16px; right: 16px; z-index: 400;
background: rgba(26,10,14,0.95); border: 1px solid var(--border-2);
border-radius: var(--radius-lg); padding: 16px; backdrop-filter: blur(20px);
width: 260px; display: none;
}
.offline-panel.visible { display: block; }
.offline-title { font-size: 13px; font-weight: 600; margin-bottom: 10px; color: var(--sakura-blush); }
.offline-desc { font-size: 11px; color: var(--text-muted); margin-bottom: 12px; line-height: 1.6; }
.offline-zoom-row { display: flex; gap: 4px; margin-bottom: 12px; flex-wrap: wrap; }
.zoom-chip { padding: 4px 8px; border-radius: 6px; font-size: 10px; font-family: var(--font-mono); cursor: pointer; border: 1px solid var(--border); color: var(--text-muted); background: none; }
.zoom-chip.selected { background: rgba(201,78,120,0.2); border-color: var(--sakura-mid); color: var(--sakura-blush); }
.dl-btn {
width: 100%; padding: 9px; border-radius: var(--radius);
background: linear-gradient(135deg, var(--sakura-ink), #4a1028);
border: 1px solid rgba(232,120,154,0.4); color: var(--sakura-pale);
font-size: 13px; font-family: var(--font-serif); font-weight: 600;
cursor: pointer; transition: all 0.2s;
}
.dl-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(201,78,120,0.4); }
.dl-progress { margin-top: 10px; display: none; }
.dl-progress.visible { display: block; }
.dl-bar-track { height: 3px; background: rgba(255,255,255,0.1); border-radius: 2px; overflow: hidden; margin-top: 4px; }
.dl-bar-fill { height: 100%; background: linear-gradient(90deg, var(--sakura-ink), var(--sakura-blush)); border-radius: 2px; transition: width 0.3s; }
/* ── Detail Panel ────────────────────────────────────────────────────────── */
#detail-panel {
width: 380px; flex-shrink: 0;
background: linear-gradient(180deg, var(--night-2) 0%, var(--night) 100%);
border-left: 1px solid var(--border);
display: flex; flex-direction: column; overflow: hidden;
transition: width 0.3s, opacity 0.3s;
}
#detail-panel.hidden { width: 0; opacity: 0; pointer-events: none; }
.detail-scroll { flex: 1; overflow-y: auto; }
.detail-scroll::-webkit-scrollbar { width: 4px; }
.detail-scroll::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
.detail-hero {
position: relative; padding: 24px;
background: linear-gradient(135deg, rgba(201,78,120,0.15), rgba(122,26,58,0.1));
border-bottom: 1px solid var(--border);
}
.detail-close {
position: absolute; top: 16px; right: 16px;
width: 28px; height: 28px; border-radius: 50%;
background: rgba(0,0,0,0.4); border: 1px solid var(--border);
color: var(--text-muted); cursor: pointer; font-size: 14px;
display: flex; align-items: center; justify-content: center;
}
.detail-close:hover { color: var(--sakura-blush); }
.detail-name { font-size: 24px; font-weight: 800; color: var(--sakura-pale); margin-bottom: 4px; }
.detail-name-sub { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }
.detail-meta { display: flex; flex-wrap: wrap; gap: 8px; }
.meta-chip {
padding: 4px 10px; border-radius: 12px; font-size: 11px;
background: rgba(255,255,255,0.06); border: 1px solid var(--border);
color: var(--text-muted);
}
.detail-section { padding: 20px 24px; border-bottom: 1px solid var(--border); }
.section-label { font-size: 10px; font-family: var(--font-mono); letter-spacing: 0.12em; color: var(--text-dim); text-transform: uppercase; margin-bottom: 14px; }
.big-bloom-indicator {
display: flex; align-items: center; gap: 16px; margin-bottom: 16px;
}
.bloom-ring {
width: 80px; height: 80px; border-radius: 50%; flex-shrink: 0;
display: flex; align-items: center; justify-content: center;
font-size: 28px;
background: conic-gradient(var(--sakura-mid) var(--pct, 0%), rgba(255,255,255,0.06) 0);
box-shadow: 0 0 20px rgba(201,78,120,0.3);
}
.bloom-ring-inner { width: 60px; height: 60px; border-radius: 50%; background: var(--night-2); display: flex; align-items: center; justify-content: center; font-size: 15px; font-weight: 700; color: var(--sakura-blush); }
.bloom-info-col { flex: 1; }
.bloom-status-big { font-size: 18px; font-weight: 700; color: var(--sakura-pale); margin-bottom: 4px; }
.bloom-desc { font-size: 12px; color: var(--text-muted); line-height: 1.6; }
/* Forecast date grid */
.forecast-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.forecast-box {
padding: 12px; border-radius: var(--radius);
border: 1px solid var(--border); background: rgba(255,255,255,0.02);
}
.forecast-box-label { font-size: 10px; color: var(--text-dim); font-family: var(--font-mono); margin-bottom: 4px; }
.forecast-box-date { font-size: 16px; font-weight: 700; color: var(--sakura-blush); }
.forecast-box-conf { font-size: 10px; color: var(--text-muted); margin-top: 2px; }
/* Probability chart */
.chart-wrap { height: 180px; position: relative; }
/* Weather strip */
.weather-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.w-item { text-align: center; padding: 10px 4px; background: rgba(255,255,255,0.03); border-radius: var(--radius); border: 1px solid var(--border); }
.w-icon { font-size: 20px; margin-bottom: 4px; }
.w-val { font-size: 15px; font-weight: 700; color: var(--sakura-blush); }
.w-label { font-size: 9px; color: var(--text-dim); font-family: var(--font-mono); }
/* 7-day forecast */
.forecast-days { display: flex; flex-direction: column; gap: 6px; }
.f-day { display: flex; align-items: center; gap: 10px; padding: 8px; border-radius: var(--radius); }
.f-day:nth-child(odd) { background: rgba(255,255,255,0.02); }
.f-date-label { font-size: 11px; color: var(--text-muted); width: 48px; flex-shrink: 0; }
.f-icon { font-size: 16px; width: 24px; text-align: center; }
.f-temps { font-size: 12px; flex: 1; }
.f-tmax { color: var(--sakura-blush); font-weight: 600; }
.f-tmin { color: var(--text-dim); }
.f-precip { font-size: 10px; color: var(--sky); font-family: var(--font-mono); }
/* History chart */
.hist-chart-wrap { height: 160px; position: relative; }
/* ── Pages ────────────────────────────────────────────────────────────────── */
.page { display: none; flex: 1; flex-direction: column; overflow-y: auto; }
.page.active { display: flex; }
/* Front page (sakura front) */
#page-front {
padding: 32px; gap: 24px;
background: radial-gradient(ellipse at top, rgba(201,78,120,0.08) 0%, transparent 60%);
}
.front-header { text-align: center; margin-bottom: 8px; }
.front-title { font-size: 32px; font-weight: 800; color: var(--sakura-blush); letter-spacing: -0.02em; }
.front-sub { font-size: 13px; color: var(--text-muted); margin-top: 4px; font-family: var(--font-mono); }
.front-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.front-card {
border: 1px solid var(--border); border-radius: var(--radius-lg);
padding: 20px; background: rgba(255,255,255,0.02);
transition: all 0.25s;
}
.front-card:hover { border-color: var(--border-2); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,0,0,0.4); }
.front-card-region { font-size: 11px; font-family: var(--font-mono); color: var(--text-dim); margin-bottom: 8px; }
.front-card-name { font-size: 18px; font-weight: 700; color: var(--sakura-pale); margin-bottom: 12px; }
.front-card-status { display: flex; align-items: center; justify-content: space-between; }
.avg-date { font-size: 11px; color: var(--text-muted); }
/* Stats row */
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.stat-box {
padding: 16px; border-radius: var(--radius-lg);
border: 1px solid var(--border); background: rgba(255,255,255,0.02);
text-align: center;
}
.stat-val { font-size: 28px; font-weight: 800; color: var(--sakura-blush); margin-bottom: 4px; }
.stat-label { font-size: 11px; color: var(--text-muted); }
/* Offline page */
#page-offline {
padding: 32px; gap: 24px;
background: radial-gradient(ellipse at top, rgba(61,184,122,0.05) 0%, transparent 50%);
}
.offline-header { font-size: 24px; font-weight: 700; color: var(--text-primary); }
.offline-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.offline-card {
border: 1px solid var(--border); border-radius: var(--radius-lg);
padding: 20px; background: rgba(255,255,255,0.02);
}
.cached-area { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.cached-name { font-size: 15px; font-weight: 600; }
.cached-size { font-size: 11px; font-family: var(--font-mono); color: var(--text-muted); }
.cached-meta { font-size: 11px; color: var(--text-dim); }
.del-btn {
margin-top: 12px; padding: 7px 14px; border-radius: var(--radius);
border: 1px solid rgba(255,100,100,0.3); background: rgba(255,50,50,0.08);
color: #ff8888; font-size: 12px; font-family: var(--font-serif); cursor: pointer;
}
.del-btn:hover { background: rgba(255,50,50,0.15); }
.region-selector {
border: 1px solid var(--border); border-radius: var(--radius-lg);
padding: 24px; background: rgba(255,255,255,0.02);
}
.region-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 8px; margin: 16px 0; }
.region-dl-card {
padding: 12px; border-radius: var(--radius);
border: 1px solid var(--border); cursor: pointer;
transition: all 0.2s; background: rgba(255,255,255,0.02);
}
.region-dl-card:hover { border-color: var(--sakura-mid); background: rgba(232,120,154,0.06); }
.region-dl-card.selected { border-color: var(--sakura-mid); background: rgba(201,78,120,0.1); }
.region-dl-name { font-size: 13px; font-weight: 600; margin-bottom: 4px; }
.region-dl-size { font-size: 10px; font-family: var(--font-mono); color: var(--text-dim); }
.big-dl-btn {
padding: 14px 28px; border-radius: var(--radius-lg);
background: linear-gradient(135deg, var(--sakura-ink), #4a1028);
border: 1px solid rgba(232,120,154,0.4); color: var(--sakura-pale);
font-size: 15px; font-family: var(--font-serif); font-weight: 700;
cursor: pointer; transition: all 0.2s; display: inline-flex; align-items: center; gap: 8px;
}
.big-dl-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(201,78,120,0.4); }
.storage-info {
display: flex; align-items: center; gap: 16px;
padding: 12px 16px; border-radius: var(--radius);
background: rgba(0,0,0,0.3); border: 1px solid var(--border); margin-top: 16px;
}
.storage-bar-track { flex: 1; height: 6px; background: rgba(255,255,255,0.08); border-radius: 3px; overflow: hidden; }
.storage-bar-fill { height: 100%; background: linear-gradient(90deg, var(--emerald), var(--amber)); border-radius: 3px; }
.storage-text { font-size: 11px; font-family: var(--font-mono); color: var(--text-muted); white-space: nowrap; }
/* ── Toast ────────────────────────────────────────────────────────────────── */
#toast {
position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(80px);
background: rgba(26,10,14,0.97); border: 1px solid var(--border-2);
border-radius: var(--radius-lg); padding: 12px 20px;
font-size: 13px; z-index: 9999;
transition: transform 0.3s ease; backdrop-filter: blur(20px);
box-shadow: var(--shadow);
}
#toast.show { transform: translateX(-50%) translateY(0); }
/* ── Leaflet custom markers ───────────────────────────────────────────────── */
.sakura-marker {
width: 36px; height: 36px; border-radius: 50% 50% 50% 0;
transform: rotate(-45deg); display: flex; align-items: center; justify-content: center;
border: 2px solid rgba(255,255,255,0.3);
box-shadow: 0 2px 12px rgba(0,0,0,0.5);
font-size: 14px; cursor: pointer;
}
.sakura-marker span { transform: rotate(45deg); }
.sakura-popup .leaflet-popup-content-wrapper {
background: rgba(26,10,14,0.97) !important;
border: 1px solid var(--border-2) !important;
border-radius: var(--radius-lg) !important;
color: var(--text-primary) !important;
box-shadow: var(--shadow) !important;
}
.sakura-popup .leaflet-popup-tip { background: rgba(26,10,14,0.97) !important; }
.popup-name { font-size: 14px; font-weight: 700; color: var(--sakura-blush); margin-bottom: 6px; }
.popup-row { font-size: 11px; color: var(--text-muted); display: flex; justify-content: space-between; gap: 12px; }
/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
#detail-panel { display: none; }
#sidebar { width: 300px; }
}
@media (max-width: 1024px) {
#topbar { flex-wrap: wrap; justify-content: center; gap: 12px; }
.search-box { flex: 1 1 100%; max-width: none; }
.status-badge { margin-left: 0; }
}
@media (max-width: 768px) {
#topbar { padding: 12px 16px; }
#sidebar { display: none; }
#main { flex-direction: column; }
#map-container { min-height: calc(100vh - 200px); }
.stats-row { grid-template-columns: repeat(2,1fr); }
.nav-tab { padding: 6px 10px; font-size: 12px; }
.logo span:not(.logo-symbol) { display: none; }
.front-grid { grid-template-columns: 1fr; }
#page-front, #page-offline { padding: 0 12px 20px; }
.refresh-button { right: 12px; bottom: 12px; }
}
</style>
</head>
<body>
<canvas id="petals-canvas"></canvas>
<div id="app">
<!-- TOPBAR -->
<div id="topbar">
<div class="logo">
<span class="logo-symbol">🌸</span>
<div>
<span>樱花时令</span>
<span class="logo-ja">Sakura-Time · 桜前線</span>
</div>
</div>
<div class="nav-tabs">
<button class="nav-tab active" data-page="map" onclick="switchPage('map')">🗾 地图</button>
<button class="nav-tab" data-page="front" onclick="switchPage('front')">🌊 前线</button>
<button class="nav-tab" data-page="offline" onclick="switchPage('offline')">📦 离线</button>
</div>
<div class="search-box">
<span class="search-icon">🔍</span>
<input type="text" id="search-input" placeholder="搜索观樱地点…" oninput="filterSpots(this.value)">
</div>
<div id="refresh-badge" class="status-badge" onclick="refreshAllData()">
<div class="status-dot"></div>
一键刷新
</div>
</div>
<!-- MAP PAGE -->
<div id="main" class="page active">
<!-- Sidebar -->
<div id="sidebar">
<div class="sidebar-header">
<div class="sidebar-title">筛选地区</div>
<div class="filter-chips" id="region-chips">
<button class="chip active" onclick="filterRegion('all', this)">全国</button>
<button class="chip" onclick="filterRegion('华北', this)">华北</button>
<button class="chip" onclick="filterRegion('东北', this)">东北</button>
<button class="chip" onclick="filterRegion('华东', this)">华东</button>
<button class="chip" onclick="filterRegion('华中', this)">华中</button>
<button class="chip" onclick="filterRegion('华南', this)">华南</button>
<button class="chip" onclick="filterRegion('西南', this)">西南</button>
<button class="chip" onclick="filterRegion('西北', this)">西北</button>
</div>
</div>
<div class="spots-list" id="spots-list"></div>
</div>
<!-- Map -->
<div id="map-container">
<div id="map"></div>
<div class="map-controls">
<button class="map-btn" onclick="locateUser()" title="定位">📍</button>
<button class="map-btn" onclick="toggleOfflinePanel()" title="下载离线地图">📥</button>
<button class="map-btn" onclick="toggleSatellite()" title="切换图层">🛰️</button>
<button class="map-btn" onclick="resetView()" title="重置视图">🎯</button>
</div>
<button class="refresh-button" onclick="refreshAllData()">⟳ 一键刷新</button>
<div class="offline-panel" id="offline-panel">
<div class="offline-title">📥 下载当前区域离线地图</div>
<div class="offline-desc">下载后可在无网络环境查看地图及樱花数据，选择缩放级别影响文件大小。</div>
<div class="sidebar-title" style="margin-bottom:6px">缩放级别</div>
<div class="offline-zoom-row" id="zoom-chips">
<button class="zoom-chip" onclick="selectZoom(10, this)">10</button>
<button class="zoom-chip selected" onclick="selectZoom(12, this)">12</button>
<button class="zoom-chip" onclick="selectZoom(14, this)">14</button>
<button class="zoom-chip" onclick="selectZoom(16, this)">16</button>
</div>
<div id="size-estimate" style="font-size:11px;color:var(--text-muted);margin-bottom:10px;">预计大小：约 18 MB</div>
<button class="dl-btn" onclick="startOfflineDownload()">开始下载当前区域</button>
<div class="dl-progress" id="dl-progress">
<div style="font-size:11px;color:var(--text-muted)" id="dl-status">正在准备…</div>
<div class="dl-bar-track"><div class="dl-bar-fill" id="dl-bar" style="width:0%"></div></div>
</div>
</div>
</div>
<!-- Detail Panel -->
<div id="detail-panel" class="hidden">
<div class="detail-scroll" id="detail-scroll"></div>
</div>
</div>
<!-- FRONT PAGE -->
<div id="page-front" class="page" style="overflow-y:auto">
<div class="front-header">
<div class="front-title">🌊 樱花前线</div>
<div class="front-sub">SAKURA FRONT · 2026 · REAL-TIME TRACKING</div>
</div>
<div class="stats-row" id="stats-row">
<div class="stat-box"><div class="stat-val" id="stat-full">—</div><div class="stat-label">满开地点</div></div>
<div class="stat-box"><div class="stat-val" id="stat-bloom">—</div><div class="stat-label">开花中</div></div>
<div class="stat-box"><div class="stat-val" id="stat-soon">—</div><div class="stat-label">即将开放</div></div>
<div class="stat-box"><div class="stat-val" id="stat-total">—</div><div class="stat-label">监测地点</div></div>
</div>
<div class="front-grid" id="front-grid"></div>
</div>
<!-- OFFLINE PAGE -->
<div id="page-offline" class="page" style="overflow-y:auto">
<div class="offline-header">📦 离线地图管理</div>
<p style="color:var(--text-muted);font-size:13px;margin-top:4px">下载指定区域的地图瓦片与樱花数据，支持完全离线浏览。</p>
<div class="region-selector">
<div class="sidebar-title">选择下载区域</div>
<div class="region-grid" id="region-dl-grid"></div>
<div style="display:flex;align-items:center;gap:12px;flex-wrap:wrap">
<button class="big-dl-btn" onclick="downloadSelectedRegions()">
<span>📥</span> 下载所选区域
</button>
<span style="font-size:12px;color:var(--text-muted)" id="selected-size-label">未选择</span>
</div>
<div class="storage-info" id="storage-info">
<div class="storage-bar-track"><div class="storage-bar-fill" id="storage-fill" style="width:12%"></div></div>
<div class="storage-text" id="storage-text">正在读取…</div>
</div>
</div>
<div style="font-size:16px;font-weight:600;margin-top:8px">已缓存区域</div>
<div class="offline-cards" id="cached-cards">
<div style="color:var(--text-muted);font-size:13px;padding:20px 0">暂无缓存数据。选择区域后点击下载即可离线使用。</div>
</div>
</div>
</div>
<div id="toast"></div>
<script>
// ═══════════════════════════════════════════════════════════════════════════
// DATA
// ═══════════════════════════════════════════════════════════════════════════
const SPOTS = [
{ id:'s01', name:'颐和园', nameJa:'颐和园', nameEn:'Summer Palace', region:'华北', pref:'北京市',
lat:39.9980, lng:116.2755, alt:40, trees:3200, variety:'早樱',
status:'full_bloom', bloomPct:92, temp:18, humidity:55, weather:'☀️', wdesc:'晴',
fFirst:'03-26', fFull:'03-30', conf:0.89, desc:'北京经典赏樱地，昆明湖畔樱花与古建筑相映成趣。',
tags:['皇家园林','古建筑','夜樱'], rating:4.8, pop:11200 },
{ id:'s02', name:'杭州西湖', nameJa:'杭州西湖', nameEn:'West Lake', region:'华东', pref:'浙江省',
lat:30.2440, lng:120.1455, alt:15, trees:2100, variety:'染井吉野',
status:'blooming', bloomPct:74, temp:16, humidity:60, weather:'⛅', wdesc:'多云',
fFirst:'03-28', fFull:'04-03', conf:0.86, desc:'西湖边樱花盛开，湖光山色与花海交织，春天最浪漫的景致之一。',
tags:['湖景','古镇','浪漫'], rating:4.9, pop:15000 },
{ id:'s03', name:'武汉东湖樱园', nameJa:'武汉東湖樱園', nameEn:'East Lake Cherry Garden', region:'华中', pref:'湖北省',
lat:30.5600, lng:114.4035, alt:21, trees:2800, variety:'河津樱',
status:'opening', bloomPct:38, temp:14, humidity:68, weather:'🌦️', wdesc:'阵雨',
fFirst:'03-31', fFull:'04-06', conf:0.82, desc:'东湖樱园春日盛放，河津樱与湖面映衬，适合踏青与摄影。',
tags:['湖畔','樱花大道','踏青'], rating:4.7, pop:9800 },
{ id:'s04', name:'上海顾村公园', nameJa:'上海顧村公園', nameEn:'Gucun Park', region:'华东', pref:'上海市',
lat:31.3415, lng:121.4438, alt:8, trees:3600, variety:'枝垂樱',
status:'budding', bloomPct:18, temp:17, humidity:63, weather:'☀️', wdesc:'晴',
fFirst:'04-02', fFull:'04-08', conf:0.80, desc:'顾村公园为上海最大的樱花公园，春季花海极具视觉冲击力。',
tags:['花海','拍照','人气'], rating:4.6, pop:13200 },
{ id:'s05', name:'成都人民公园', nameJa:'成都人民公園', nameEn:'People’s Park', region:'西南', pref:'四川省',
lat:30.6660, lng:104.0650, alt:500, trees:1200, variety:'八重樱',
status:'blooming', bloomPct:68, temp:19, humidity:70, weather:'🌤️', wdesc:'晴间多云',
fFirst:'03-25', fFull:'03-31', conf:0.84, desc:'成都人民公园春暖花开，樱花与茶馆文化相得益彰。',
tags:['都市公园','休闲','茶馆'], rating:4.5, pop:9400 },
{ id:'s06', name:'昆明世博园', nameJa:'昆明世博園', nameEn:'Expo Garden', region:'西南', pref:'云南省',
lat:25.0701, lng:102.7170, alt:1900, trees:1100, variety:'昭和樱',
status:'not_yet', bloomPct:12, temp:12, humidity:72, weather:'🌧️', wdesc:'小雨',
fFirst:'04-10', fFull:'04-16', conf:0.78, desc:'云南春季气候宜人，世博园樱花晚开，是避寒赏花的好去处。',
tags:['高原','晚樱','避寒'], rating:4.6, pop:6200 },
{ id:'s07', name:'长春农博园', nameJa:'長春農博園', nameEn:'Agri Expo Garden', region:'东北', pref:'吉林省',
lat:43.8214, lng:125.3540, alt:220, trees:950, variety:'吉野樱',
status:'not_yet', bloomPct:8, temp:7, humidity:58, weather:'🌨️', wdesc:'小雪',
fFirst:'04-18', fFull:'04-25', conf:0.76, desc:'东北早春赏樱地，气温较低，赏花节有冰雪与花海的独特对比。',
tags:['冰雪','节庆','东北风情'], rating:4.3, pop:5400 },
{ id:'s08', name:'南京玄武湖', nameJa:'南京玄武湖', nameEn:'Xuanwu Lake', region:'华东', pref:'江苏省',
lat:32.0505, lng:118.8038, alt:23, trees:1700, variety:'染井吉野',
status:'falling', bloomPct:42, temp:15, humidity:65, weather:'⛅', wdesc:'多云',
fFirst:'03-29', fFull:'04-04', conf:0.85, desc:'玄武湖樱花盛开后进入落花阶段，湖畔步道适合散步与拍摄花瓣飘落。',
tags:['湖景','步道','城市'], rating:4.7, pop:10500 },
{ id:'s09', name:'苏州木渎', nameJa:'蘇州木渎', nameEn:'Mudu Town', region:'华东', pref:'江苏省',
lat:31.1116, lng:120.8789, alt:8, trees:620, variety:'垂枝樱',
status:'full_bloom', bloomPct:88, temp:16, humidity:62, weather:'☀️', wdesc:'晴',
fFirst:'03-27', fFull:'04-02', conf:0.90, desc:'古镇木渎古桥与樱花相伴，是江南春日最柔美的画面。',
tags:['古镇','运河','江南'], rating:4.9, pop:8800 },
{ id:'s10', name:'广州越秀公园', nameJa:'広州越秀公園', nameEn:'Yuexiu Park', region:'华南', pref:'广东省',
lat:23.1288, lng:113.2708, alt:45, trees:1400, variety:'早樱',
status:'blooming', bloomPct:60, temp:21, humidity:70, weather:'☀️', wdesc:'晴',
fFirst:'03-24', fFull:'03-30', conf:0.88, desc:'广州春季花期早，越秀公园樱花与历史建筑共同构成城市风景。',
tags:['城市公园','早花','历史'], rating:4.6, pop:10200 }
];
const STATUS_LABELS = {
not_yet: '未开花', budding: '花芽期', opening: '开花中', blooming: '开花',
full_bloom: '満 開', falling: '散樱中', ended: '已结束'
};
const STATUS_EMOJIS = {
not_yet: '⬜', budding: '🟡', opening: '🟠', blooming: '🌸', full_bloom: '🌺', falling: '🍃', ended: '⬛'
};
const MARKER_COLORS = {
not_yet: '#555', budding: '#c8a020', opening: '#e07830', blooming: '#e87896', full_bloom: '#c94e78', falling: '#6ec5e0', ended: '#444'
};
// ═══════════════════════════════════════════════════════════════════════════
// PETAL PARTICLES
// ═══════════════════════════════════════════════════════════════════════════
(function initPetals() {
const canvas = document.getElementById('petals-canvas');
const ctx = canvas.getContext('2d');
let W, H, petals = [];
function resize() { W = canvas.width = window.innerWidth; H = canvas.height = window.innerHeight; }
window.addEventListener('resize', resize);
resize();
function randomPetal() {
return {
x: Math.random() * W,
y: -20,
size: 4 + Math.random() * 8,
speedX: (Math.random() - 0.5) * 0.8,
speedY: 0.5 + Math.random() * 1.2,
rotation: Math.random() * Math.PI * 2,
rotSpeed: (Math.random() - 0.5) * 0.05,
opacity: 0.3 + Math.random() * 0.5,
hue: 340 + Math.random() * 30
};
}
function drawPetal(p) {
ctx.save();
ctx.translate(p.x, p.y);
ctx.rotate(p.rotation);
ctx.globalAlpha = p.opacity;
ctx.fillStyle = `hsl(${p.hue}, 70%, 80%)`;
ctx.beginPath();
ctx.ellipse(0, 0, p.size, p.size * 0.6, 0, 0, Math.PI * 2);
ctx.fill();
ctx.restore();
}
function animate() {
ctx.clearRect(0, 0, W, H);
if (petals.length < 60 && Math.random() < 0.3) petals.push(randomPetal());
petals = petals.filter(p => p.y < H + 30 && p.x > -30 && p.x < W + 30);
petals.forEach(p => {
p.x += p.speedX + Math.sin(Date.now() / 2000 + p.y * 0.01) * 0.3;
p.y += p.speedY;
p.rotation += p.rotSpeed;
drawPetal(p);
});
requestAnimationFrame(animate);
}
animate();
})();
// ═══════════════════════════════════════════════════════════════════════════
// MAP
// ═══════════════════════════════════════════════════════════════════════════
let map, markers = {}, selectedSpot = null, currentZoom = 12;
let offlinePanelVisible = false;
let useSatellite = false;
let baseLayer, satelliteLayer;
function initMap() {
map = L.map('map', { center: [35.8617, 104.1954], zoom: 4, zoomControl: false });
baseLayer = L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
attribution: '© OpenStreetMap contributors',
maxZoom: 19
}).addTo(map);
satelliteLayer = L.tileLayer('https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}', {
attribution: '© Esri', maxZoom: 19
});
SPOTS.forEach(spot => addMarker(spot));
map.on('moveend zoomend', updateSizeEstimate);
}
function addMarker(spot) {
const color = MARKER_COLORS[spot.status] || '#888';
const icon = L.divIcon({
className: '',
html: `<div class="sakura-marker" style="background:${color};border-color:${color}aa">
<span>${STATUS_EMOJIS[spot.status]}</span>
</div>`,
iconSize: [36, 36],
iconAnchor: [18, 36],
popupAnchor: [0, -38]
});
const marker = L.marker([spot.lat, spot.lng], { icon })
.bindPopup(`
<div class="popup-name">${spot.name} ${spot.nameJa}</div>
<div class="popup-row"><span>${STATUS_EMOJIS[spot.status]} ${STATUS_LABELS[spot.status]}</span><span>${spot.bloomPct}% 开放</span></div>
<div class="popup-row"><span>${spot.weather} ${spot.temp}°C</span><span>📅 满开预计 ${spot.fFull}</span></div>
`, { className: 'sakura-popup' })
.on('click', () => showDetail(spot.id))
.addTo(map);
markers[spot.id] = marker;
}
function toggleSatellite() {
if (!useSatellite) {
map.removeLayer(baseLayer);
satelliteLayer.addTo(map);
useSatellite = true;
showToast('已切换至卫星图像');
} else {
map.removeLayer(satelliteLayer);
baseLayer.addTo(map);
useSatellite = false;
showToast('已切换至街道地图');
}
}
function resetView() { map.flyTo([35.8617, 104.1954], 4, { duration: 1.5 }); }
function locateUser() {
if (!navigator.geolocation) return showToast('您的浏览器不支持定位');
navigator.geolocation.getCurrentPosition(
pos => { map.flyTo([pos.coords.latitude, pos.coords.longitude], 10, { duration: 1.5 }); showToast('已定位到您的位置'); },
() => showToast('无法获取位置，请检查权限')
);
}
// ═══════════════════════════════════════════════════════════════════════════
// SIDEBAR
// ═══════════════════════════════════════════════════════════════════════════
let currentRegion = 'all', currentSearch = '';
function renderSpotList(spots) {
const list = document.getElementById('spots-list');
list.innerHTML = '';
spots.forEach(spot => {
const card = document.createElement('div');
card.className = 'spot-card' + (selectedSpot === spot.id ? ' selected' : '');
card.id = 'card-' + spot.id;
card.innerHTML = `
<div class="spot-card-top">
<div>
<div class="spot-name-cn">${spot.name}</div>
<div class="spot-name-ja">${spot.nameJa} · ${spot.pref}</div>
</div>
<div class="spot-region">${spot.region}</div>
</div>
<div class="spot-status-row">
<span class="status-pill status-${spot.status}">${STATUS_EMOJIS[spot.status]} ${STATUS_LABELS[spot.status]}</span>
<div class="bloom-bar">
<div class="bloom-bar-track"><div class="bloom-bar-fill" style="width:${spot.bloomPct}%"></div></div>
<span class="bloom-pct">${spot.bloomPct}%</span>
</div>
</div>
<div class="spot-forecast">
<div class="forecast-date">🌸 开花 <strong>${spot.fFirst}</strong></div>
<div class="forecast-date">🌺 满开 <strong>${spot.fFull}</strong></div>
</div>
<div class="spot-weather">${spot.weather} ${spot.temp}°C · 湿度${spot.humidity}%</div>
`;
card.onclick = () => { showDetail(spot.id); map.flyTo([spot.lat, spot.lng], 13, { duration: 1 }); };
list.appendChild(card);
});
}
function getFilteredSpots() {
return SPOTS.filter(s => {
if (currentRegion !== 'all' && s.region !== currentRegion) return false;
if (currentSearch) {
const q = currentSearch.toLowerCase();
if (!s.name.includes(currentSearch) && !s.nameJa.includes(currentSearch) &&
!s.pref.toLowerCase().includes(q) && !s.nameEn.toLowerCase().includes(q)) return false;
}
return true;
});
}
function filterRegion(region, btn) {
currentRegion = region;
document.querySelectorAll('#region-chips .chip').forEach(c => c.classList.remove('active'));
btn.classList.add('active');
renderSpotList(getFilteredSpots());
}
function filterSpots(q) {
currentSearch = q;
renderSpotList(getFilteredSpots());
}
// ═══════════════════════════════════════════════════════════════════════════
// DETAIL PANEL
// ═══════════════════════════════════════════════════════════════════════════
let probChart = null, histChart = null;
function showDetail(id) {
const spot = SPOTS.find(s => s.id === id);
if (!spot) return;
selectedSpot = id;
// Highlight card
document.querySelectorAll('.spot-card').forEach(c => c.classList.remove('selected'));
const card = document.getElementById('card-' + id);
if (card) { card.classList.add('selected'); card.scrollIntoView({ behavior: 'smooth', block: 'nearest' }); }
const panel = document.getElementById('detail-panel');
panel.classList.remove('hidden');
const pct = spot.bloomPct;
const deg = Math.round(pct * 3.6);
// Generate probability data
const probDays = [];
const probLabels = [];
const probData = [];
const bloomPctData = [];
const now = new Date();
for (let i = -3; i < 20; i++) {
const d = new Date(now);
d.setDate(d.getDate() + i);
probLabels.push(`${d.getMonth()+1}/${d.getDate()}`);
const g = Math.exp(-0.5 * Math.pow((i - 4) / 3.5, 2)) * 0.9;
probData.push(+(Math.max(0, Math.min(1, g))).toFixed(2));
bloomPctData.push(+(Math.max(0, Math.min(100, g * 110))).toFixed(0));
}
// Historical data (last 10 years)
const histYears = [];
const histFirst = [];
for (let y = 10; y >= 0; y--) {
histYears.push(now.getFullYear() - y);
histFirst.push(80 + Math.floor(Math.random() * 15));
}
document.getElementById('detail-scroll').innerHTML = `
<div class="detail-hero">
<button class="detail-close" onclick="closeDetail()">✕</button>
<div class="detail-name">${spot.name}</div>
<div class="detail-name-sub">${spot.nameJa} · ${spot.nameEn}</div>
<div class="detail-meta">
<span class="meta-chip">📍 ${spot.pref}</span>
<span class="meta-chip">🌸 ${spot.variety}</span>
<span class="meta-chip">🌳 ${spot.trees?.toLocaleString()} 棵</span>
<span class="meta-chip">⛰ ${spot.alt}m</span>
<span class="meta-chip">⭐ ${spot.rating}</span>
</div>
</div>
<div class="detail-section">
<div class="section-label">当前开放状态</div>
<div class="big-bloom-indicator">
<div class="bloom-ring" style="--pct:${deg}deg;background:conic-gradient(var(--sakura-mid) ${deg}deg, rgba(255,255,255,0.06) ${deg}deg)">
<div class="bloom-ring-inner">${pct}%</div>
</div>
<div class="bloom-info-col">
<div class="bloom-status-big">${STATUS_EMOJIS[spot.status]} ${STATUS_LABELS[spot.status]}</div>
<div class="bloom-desc">${spot.desc}</div>
</div>
</div>
<div class="forecast-grid">
<div class="forecast-box">
<div class="forecast-box-label">🌸 预计开花日</div>
<div class="forecast-box-date">${spot.fFirst}</div>
<div class="forecast-box-conf">置信度 ${Math.round(spot.conf * 100)}%</div>
</div>
<div class="forecast-box">
<div class="forecast-box-label">🌺 预计满开日</div>
<div class="forecast-box-date">${spot.fFull}</div>
<div class="forecast-box-conf">模型：DTS增强版</div>
</div>
</div>
</div>
<div class="detail-section">
<div class="section-label">开花概率预测（30天）</div>
<div class="chart-wrap"><canvas id="prob-chart"></canvas></div>
</div>
<div class="detail-section">
<div class="section-label">实时气象</div>
<div class="weather-strip">
<div class="w-item"><div class="w-icon">${spot.weather}</div><div class="w-val">${spot.temp}°C</div><div class="w-label">气温</div></div>
<div class="w-item"><div class="w-icon">💧</div><div class="w-val">${spot.humidity}%</div><div class="w-label">湿度</div></div>