/* ── 晨话 · Chenhua Voice ── */
/* 晨间声场 / Morning Sound Field · 浅暖色板 · 移动端优先 */

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

:root {
  --warm-bg: #F3F0EB;
  --warm-surface: #FCFAF7;
  --warm-fg: #3D342D;
  --warm-muted: #8C8278;
  --warm-border: #E4DDD4;
  --warm-accent: #A06040;
  --warm-accent-strong: #8B4F30;
  --warm-blue: #4A80B0;
  --status-green: #27AE60;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}

html { font-size: 16px; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--warm-bg);
  color: var(--warm-fg);
  line-height: 1.6;
  min-height: 100vh;
  min-height: 100dvh;
}

a { color: var(--warm-accent); text-decoration: none; }
a:hover { color: var(--warm-accent-strong); }

/* ── 通用按钮 ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 24px; font-size: 0.9375rem; font-weight: 500; font-family: var(--font-sans);
  border-radius: 12px; cursor: pointer; text-decoration: none; border: 1px solid transparent;
  transition: background 0.2s, opacity 0.2s; -webkit-tap-highlight-color: transparent;
}
.btn:active { opacity: 0.85; }
.btn-primary { background: var(--warm-accent); color: #FFF; border-color: var(--warm-accent); }
.btn-primary:hover { background: var(--warm-accent-strong); }
.btn-secondary { background: var(--warm-surface); color: var(--warm-accent); border-color: var(--warm-border); }
.btn-secondary:hover { background: #F7F3EE; }

/* ── 1. Hero：声场场景 ── */
.sound-field {
  position: relative; display: flex; flex-direction: column; align-items: center;
  min-height: 88vh; min-height: min(88dvh, 760px); padding: 56px 20px 48px; text-align: center;
  overflow: hidden;
}

.sound-field::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 30%, rgba(160,96,64,0.06) 0%, transparent 55%);
  pointer-events: none;
}

/* 声轨线骨架 (visuals 图缺失时) */
.sound-field-bg {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.35;
}
.sound-field-bg .wave-line {
  position: absolute; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(160,96,64,0.15) 20%, rgba(160,96,64,0.25) 50%, rgba(160,96,64,0.15) 80%, transparent);
}
.sound-field.has-visual .sound-field-bg { display: none; }
.sound-field.has-visual::after {
  content: ""; position: absolute; inset: 0; opacity: 0.10;
  background: url("assets/visuals/morning-sound-field.webp") center/cover no-repeat;
  pointer-events: none;
}

.sound-field > * { position: relative; z-index: 1; }

.sound-field-brand { font-size: 0.8125rem; font-weight: 500; color: var(--warm-muted); letter-spacing: 0.06em; margin-bottom: 16px; }

.sound-field-title { font-size: 1.25rem; font-weight: 600; color: var(--warm-fg); line-height: 1.5; max-width: 340px; margin-bottom: 14px; }

.sound-field-sub { font-size: 0.875rem; color: var(--warm-muted); line-height: 1.7; max-width: 300px; margin-bottom: 28px; }

.sound-field-actions { display: flex; flex-direction: column; gap: 10px; width: 100%; max-width: 300px; margin-bottom: 24px; }

.sound-field-status { font-size: 0.75rem; color: var(--warm-muted); }
.status-dot { display: inline-block; width: 5px; height: 5px; border-radius: 50%; vertical-align: middle; margin-right: 2px; }
.status-dot.green { background: var(--status-green); }
.status-dot.gray { background: var(--warm-muted); }

.sound-field-hint { display: inline-flex; font-size: 0.75rem; color: var(--warm-muted); margin-top: 20px; cursor: pointer; user-select: none; -webkit-tap-highlight-color: transparent; animation: hintPulse 3s ease-in-out infinite; }
@keyframes hintPulse { 0%,100%{opacity:0.4} 50%{opacity:1} }

/* ── 通用段落容器 ── */
.section { padding: 48px 20px; margin: 0 auto; }
.section-narrow { max-width: 560px; }
.section-wide { max-width: 960px; }
.section-heading { font-size: 1.0625rem; font-weight: 600; color: var(--warm-accent-strong); margin-bottom: 12px; text-align: center; }
.section-sub { font-size: 0.875rem; color: var(--warm-muted); text-align: center; margin-bottom: 24px; line-height: 1.7; }

/* ── 2. Sample Deck ── */
.sample-deck { display: flex; flex-direction: column; gap: 10px; }

.sample-card {
  display: flex; align-items: center; gap: 14px;
  padding: 16px; border: 1px solid var(--warm-border); border-radius: 14px;
  background: var(--warm-surface); cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s; -webkit-tap-highlight-color: transparent;
}
.sample-card:hover { border-color: var(--warm-accent); }
.sample-card.playing {
  border-color: var(--warm-accent);
  box-shadow: 0 0 0 2px rgba(160,96,64,0.08);
  background: linear-gradient(135deg, var(--warm-surface) 0%, rgba(160,96,64,0.025) 100%);
}
.sample-card.missing { cursor: default; opacity: 0.55; }
.sample-card.missing:hover { border-color: var(--warm-border); }

.sample-play-dot {
  width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0;
  border: 1.5px solid var(--warm-accent); background: transparent;
  color: var(--warm-accent); font-size: 0.8125rem;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s; -webkit-tap-highlight-color: transparent;
}
.sample-card.missing .sample-play-dot { border-color: var(--warm-muted); color: var(--warm-muted); }

.sample-body { flex: 1; min-width: 0; }
.sample-title { font-size: 0.875rem; font-weight: 500; color: var(--warm-fg); }
.sample-meta { display: flex; align-items: center; gap: 6px; margin-top: 3px; flex-wrap: wrap; }
.sample-voice { font-size: 0.75rem; color: var(--warm-muted); }
.sample-tag { font-size: 0.6875rem; padding: 1px 7px; border-radius: 999px; background: rgba(160,96,64,0.06); color: var(--warm-accent); }
.sample-text { font-size: 0.75rem; color: var(--warm-muted); margin-top: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* waveform 骨架 */
.sample-waveform {
  width: 60px; height: 32px; flex-shrink: 0;
  display: flex; align-items: flex-end; gap: 2px;
}
.sample-waveform .wf-bar {
  flex: 1; min-width: 2px; border-radius: 1px;
  background: rgba(160,96,64,0.12);
  transition: height 0.3s;
}
.sample-card.playing .wf-bar { background: rgba(160,96,64,0.22); }
.sample-card.missing .wf-bar { background: rgba(140,130,120,0.08); }

.sample-duration { font-size: 0.6875rem; color: var(--warm-muted); margin-left: auto; white-space: nowrap; }
.sample-badge-missing { font-size: 0.6875rem; color: var(--warm-muted); margin-left: auto; }

/* ── 3. 媒体舞台 ── */
.media-stage {
  border-radius: 16px; overflow: hidden;
  background: var(--warm-surface); border: 1px solid var(--warm-border);
}
.media-stage video { display: block; width: 100%; background: #1a1410; }

.storyboard {
  display: flex; gap: 0; padding: 24px 16px; text-align: center;
  flex-wrap: wrap; justify-content: center;
}
.storyboard-step {
  flex: 0 0 auto; display: flex; align-items: center; gap: 6px;
  font-size: 0.8125rem; color: var(--warm-muted); padding: 8px 6px;
}
.storyboard-arrow { color: var(--warm-border); margin: 0 4px; }

.poster-placeholder {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 28px 16px;
}
.poster-placeholder img { max-width: 100%; border-radius: 8px; opacity: 0.55; }
.poster-placeholder .label { font-size: 0.8125rem; color: var(--warm-muted); }

/* ── 4. Evidence Gallery ── */
.evidence-intro { font-size: 0.875rem; color: var(--warm-muted); text-align: center; margin-bottom: 20px; }

.evidence-gallery {
  display: flex; gap: 14px; overflow-x: auto;
  scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
  padding-bottom: 8px;
}

.evidence-item {
  flex: 0 0 250px; scroll-snap-align: start;
  display: flex; flex-direction: column; gap: 8px;
}
.evidence-item img { width: 100%; border-radius: 12px; border: 1px solid var(--warm-border); background: var(--warm-surface); }
.evidence-caption { font-size: 0.75rem; color: var(--warm-muted); text-align: center; }

.evidence-placeholder {
  flex: 0 0 250px; scroll-snap-align: start; height: 420px;
  border-radius: 12px; border: 1px dashed var(--warm-border);
  background: var(--warm-surface); display: flex; align-items: center; justify-content: center;
  color: var(--warm-muted); font-size: 0.75rem;
}

/* ── 5. 醒来坡道 ── */
.ramp-steps { display: flex; flex-direction: column; gap: 20px; margin-top: 8px; }

.ramp-step { display: flex; align-items: flex-start; gap: 16px; }

.ramp-num {
  width: 36px; height: 36px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9375rem; font-weight: 600; color: var(--warm-accent);
  border: 1px solid var(--warm-border); background: var(--warm-surface);
}

.ramp-body { flex: 1; }
.ramp-title { font-size: 0.9375rem; font-weight: 500; color: var(--warm-fg); }
.ramp-desc { font-size: 0.8125rem; color: var(--warm-muted); margin-top: 3px; line-height: 1.6; }

.how-flow { margin-top: 28px; }
.how-flow-title { font-size: 0.8125rem; font-weight: 600; color: var(--warm-muted); text-align: center; margin-bottom: 14px; }
.how-flow-steps { display: flex; flex-wrap: wrap; gap: 4px; justify-content: center; align-items: center; }
.how-flow-step { font-size: 0.75rem; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--warm-border); background: var(--warm-surface); color: var(--warm-fg); }
.how-flow-arrow { font-size: 0.75rem; color: var(--warm-muted); margin: 0 2px; }
.how-note { font-size: 0.8125rem; color: var(--warm-muted); font-style: italic; text-align: center; margin-top: 12px; }

/* ── 6. 宣言 ── */
.manifesto-grid { display: flex; flex-direction: column; gap: 8px; margin-top: 8px; }

.manifesto-item {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 20px; border: 1px solid var(--warm-border); border-radius: 12px;
  background: var(--warm-surface);
}
.manifesto-num {
  font-size: 1.25rem; font-weight: 300; color: var(--warm-muted);
  flex-shrink: 0; letter-spacing: 0.04em;
}
.manifesto-text {
  font-size: 1rem; color: var(--warm-fg); font-weight: 500;
  letter-spacing: 0.02em;
}

.manifesto-core {
  margin-top: 16px; padding: 20px 18px;
  border: 1px solid var(--warm-accent); border-radius: 14px;
  background: linear-gradient(135deg, rgba(160,96,64,0.04) 0%, transparent 60%);
  font-size: 0.9375rem; color: var(--warm-fg); font-weight: 500;
  text-align: center; line-height: 1.7; letter-spacing: 0.02em;
}

/* ── 7. 收束区 ── */
.close-section {
  position: relative; display: flex; flex-direction: column; align-items: center;
  padding: 48px 20px 64px; text-align: center; overflow: hidden;
}
.close-section::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, transparent 0%, rgba(160,96,64,0.03) 60%, rgba(160,96,64,0.06) 100%);
}
.close-section::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 60px; pointer-events: none;
  background: linear-gradient(0deg, rgba(160,96,64,0.04) 0%, transparent 100%);
}
.close-section > * { position: relative; z-index: 1; }

.close-heading { font-size: 1.0625rem; font-weight: 600; color: var(--warm-fg); margin-bottom: 8px; }
.close-text { font-size: 0.875rem; color: var(--warm-muted); margin-bottom: 20px; }
.close-actions { display: flex; flex-direction: column; gap: 10px; align-items: center; }
.close-note { font-size: 0.75rem; color: var(--warm-muted); margin-top: 8px; }

/* ── download.html ── */
.download-page {
  display: flex; flex-direction: column; align-items: center;
  padding: 48px 20px 48px; min-height: 100vh; min-height: 100dvh; text-align: center;
  position: relative;
}
.download-page::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 20%, rgba(160,96,64,0.04) 0%, transparent 60%);
  pointer-events: none;
}
.download-page > * { position: relative; z-index: 1; }

.dl-card {
  background: var(--warm-surface); border: 1px solid var(--warm-border);
  border-radius: 14px; padding: 28px 22px; max-width: 340px; width: 100%;
  box-shadow: 0 2px 12px rgba(0,0,0,0.03); margin: 24px 0;
}
.dl-status { display: flex; align-items: center; justify-content: center; gap: 6px; margin-bottom: 12px; font-size: 0.9375rem; color: var(--warm-fg); font-weight: 500; }
.dl-message { font-size: 0.8125rem; color: var(--warm-muted); margin-bottom: 8px; line-height: 1.7; }
.dl-notes { margin-top: 18px; font-size: 0.75rem; color: var(--warm-muted); line-height: 1.8; text-align: left; list-style: none; padding: 0; }
.dl-notes li { margin-bottom: 5px; padding-left: 14px; position: relative; }
.dl-notes li::before { content: "·"; position: absolute; left: 2px; color: var(--warm-muted); }

.back-link { margin-top: 8px; font-size: 0.8125rem; }

/* ── 响应式 ── */
@media (min-width: 768px) {
  .sound-field { padding: 72px 20px 64px; }
  .sound-field-title { font-size: 1.45rem; max-width: 440px; }
  .sound-field-sub { font-size: 0.9375rem; max-width: 380px; }
  .sound-field-actions { max-width: 340px; }
  .section { padding: 56px 24px; }
  .section-heading { font-size: 1.1rem; }
  .sample-waveform { width: 100px; }
  .evidence-item, .evidence-placeholder { flex: 0 0 300px; }
  .manifesto-text { font-size: 1.1rem; }
}

@media (min-width: 1024px) {
  .sound-field-title { font-size: 1.6rem; max-width: 500px; }
  .sound-field-sub { max-width: 420px; }
  .section-wide { padding: 64px 32px; }
  .section-narrow { max-width: 640px; }
  .sample-waveform { width: 140px; }
  /* 桌面端 evidence gallery 改为 2 列 grid */
  .evidence-gallery {
    display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
    overflow-x: visible; scroll-snap-type: none;
  }
  .evidence-item, .evidence-placeholder { flex: none; }
  .storyboard { gap: 16px; }
  .storyboard-step { font-size: 0.875rem; }
}

@media (min-width: 1440px) {
  .sound-field-title { font-size: 1.75rem; }
  .section-wide { max-width: 1040px; }
  .sample-deck { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
}