/* ════════════════════════════════════════════════════════════
   GAIA · 母体 — 宇宙生命美学
   地球蓝 #1e5e7a · 生命绿 #3fae9b · 星空紫 #9b8bff · 鎏金 #d9b06a
   ════════════════════════════════════════════════════════════ */

:root {
  --bg: #05080d;
  --bg-soft: #0b121a;
  --ink: #e7eef2;
  --ink-dim: #9fb0bb;
  --line: rgba(159, 176, 187, 0.18);
  --earth: #2f8a5b;
  --life: #3fae9b;
  --health: #7bd88f;
  --civ: #9b8bff;
  --gold: #d9b06a;
  --maxw: 920px;
  --serif: "Cormorant Garamond", "Noto Sans SC", serif;
  --sans: "Noto Sans SC", system-ui, sans-serif;
  --display: "Cinzel", "Cormorant Garamond", serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 700px at 50% -10%, rgba(47, 138, 91, 0.12), transparent 60%),
    radial-gradient(900px 600px at 90% 20%, rgba(155, 139, 255, 0.08), transparent 55%),
    var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.75;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
}

/* ── Header ── */
.site-head {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 1.2rem;
  padding: 0.85rem clamp(1rem, 4vw, 2.4rem);
  background: rgba(5, 8, 13, 0.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.brand { text-decoration: none; display: flex; align-items: baseline; gap: 0.5rem; margin-right: auto; }
.brand-zh { font-family: var(--display); font-size: 1.4rem; color: var(--gold); letter-spacing: 0.12em; }
.brand-en { font-family: var(--display); font-size: 0.8rem; color: var(--ink-dim); letter-spacing: 0.4em; }
.nav { display: flex; gap: clamp(0.7rem, 2vw, 1.6rem); }
.nav a {
  color: var(--ink-dim); text-decoration: none; font-size: 0.92rem;
  transition: color 0.25s; white-space: nowrap;
}
.nav a i { font-style: normal; opacity: 0.55; font-size: 0.78em; }
.nav a:hover { color: var(--life); }
.lang-toggle {
  font-family: var(--sans); background: transparent; color: var(--gold);
  border: 1px solid rgba(217, 176, 106, 0.4); border-radius: 999px;
  padding: 0.32rem 0.9rem; cursor: pointer; font-size: 0.82rem; letter-spacing: 0.08em;
  transition: all 0.25s;
}
.lang-toggle:hover { background: rgba(217, 176, 106, 0.12); }

/* ── Hero ── */
.hero {
  position: relative; min-height: 100vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
  padding: 4rem 1.2rem 5rem; overflow: hidden;
}
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hero-inner { position: relative; z-index: 1; max-width: 760px; }
.hero-kicker {
  font-family: var(--display); letter-spacing: 0.32em; font-size: 0.78rem;
  color: var(--gold); text-transform: uppercase; margin: 0 0 1.4rem;
}
.hero-title { margin: 0; display: flex; flex-direction: column; align-items: center; gap: 0.1rem; }
.hero-zh { font-family: var(--display); font-size: clamp(3.6rem, 13vw, 7rem); color: var(--ink); letter-spacing: 0.2em; line-height: 1; }
.hero-en { font-family: var(--display); font-size: clamp(1rem, 4vw, 1.6rem); color: var(--life); letter-spacing: 0.7em; margin-left: 0.7em; }
.hero-sub { font-family: var(--serif); font-size: clamp(1.05rem, 2.4vw, 1.4rem); color: var(--ink-dim); margin: 1.8rem auto 0; max-width: 30em; }
.hero-insight {
  font-family: var(--serif); font-style: italic; font-size: clamp(1.1rem, 2.6vw, 1.5rem);
  color: var(--gold); margin: 2rem auto 0; max-width: 26em; line-height: 1.6;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 1.1rem 0;
}
.hero-edition { margin-top: 1.8rem; font-size: 0.85rem; color: var(--ink-dim); display: flex; gap: 0.6rem; align-items: center; justify-content: center; }
.edition-badge { color: var(--life); border: 1px solid rgba(63, 174, 155, 0.4); border-radius: 999px; padding: 0.2rem 0.8rem; }
.countdown { font-family: var(--display); letter-spacing: 0.12em; color: var(--ink); }
.scroll-cue { position: absolute; bottom: 1.6rem; left: 50%; transform: translateX(-50%); z-index: 1; color: var(--ink-dim); font-size: 1.4rem; text-decoration: none; animation: bob 2.4s ease-in-out infinite; }
@keyframes bob { 0%,100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 8px); } }

/* ── Panels ── */
.panel {
  max-width: var(--maxw); margin: 0 auto; padding: clamp(3rem, 8vw, 6rem) clamp(1.1rem, 4vw, 2rem);
  border-bottom: 1px solid var(--line);
}
.panel-head { display: flex; align-items: center; gap: 1.2rem; margin-bottom: 2rem; position: relative; }
.panel-index { font-family: var(--display); font-size: 2.4rem; color: var(--line); letter-spacing: 0.1em; }
.panel-zh { font-family: var(--display); font-size: clamp(2rem, 6vw, 3rem); margin: 0; letter-spacing: 0.14em; }
.panel-en { margin: 0.1rem 0 0; font-family: var(--serif); font-style: italic; color: var(--ink-dim); font-size: 1.1rem; }
.panel-canvas { position: absolute; right: 0; top: 50%; transform: translateY(-50%); width: 120px; height: 120px; opacity: 0.9; }

.panel-life .panel-zh, .panel-life .lesson-icon { color: var(--life); }
.panel-health .panel-zh, .panel-health .lesson-icon { color: var(--health); }
.panel-civ .panel-zh, .panel-civ .lesson-icon { color: var(--civ); }

/* lesson card */
.lesson-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  border: 1px solid var(--line); border-left-width: 3px;
  border-radius: 14px; padding: 1.8rem clamp(1.2rem, 4vw, 2.2rem);
}
.panel-life .lesson-card { border-left-color: var(--life); }
.panel-health .lesson-card { border-left-color: var(--health); }
.panel-civ .lesson-card { border-left-color: var(--civ); }
.lesson-icon { font-size: 2rem; display: block; }
.lesson-title { font-family: var(--serif); font-size: clamp(1.4rem, 3.4vw, 1.9rem); margin: 0.6rem 0 0.8rem; font-weight: 600; }
.lesson-body { font-family: var(--sans); color: var(--ink-dim); margin: 0; font-size: 1rem; }
.guide { margin-top: 1.4rem; font-family: var(--serif); font-style: italic; color: var(--gold); font-size: 1.05rem; line-height: 1.7; }

/* vision grid */
.vision-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1.1rem; }
.vision-card { border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: var(--bg-soft); transition: transform 0.3s, border-color 0.3s; }
.vision-card:hover { transform: translateY(-4px); border-color: rgba(217,176,106,0.5); }
.vision-card svg { display: block; width: 100%; height: auto; }
.vision-cap { padding: 0.9rem 1rem 1.1rem; }
.vision-cap h4 { font-family: var(--serif); font-size: 1.15rem; margin: 0 0 0.3rem; font-weight: 600; }
.vision-cap p { margin: 0; font-size: 0.85rem; color: var(--ink-dim); font-style: italic; }
.vision-note { text-align: center; color: var(--ink-dim); font-family: var(--serif); font-style: italic; margin-top: 1.8rem; font-size: 1.1rem; }

/* action list */
.action-list { list-style: none; counter-reset: act; padding: 0; margin: 0; }
.action-list li {
  counter-increment: act; position: relative; padding: 1rem 0 1rem 3.2rem;
  border-bottom: 1px solid var(--line); font-family: var(--serif); font-size: 1.25rem; color: var(--ink);
}
.action-list li::before {
  content: counter(act); position: absolute; left: 0; top: 0.9rem;
  font-family: var(--display); color: var(--gold); font-size: 1.4rem;
}
.action-list li:last-child { border-bottom: none; }

/* dusk / journal */
.dusk-prompt { font-family: var(--serif); font-style: italic; font-size: clamp(1.2rem, 3vw, 1.6rem); color: var(--civ); text-align: center; margin: 0 0 2rem; line-height: 1.6; }
.journal-box { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 14px; padding: 1.2rem; }
#journalInput {
  width: 100%; background: transparent; border: none; resize: vertical;
  color: var(--ink); font-family: var(--sans); font-size: 1rem; line-height: 1.7; outline: none;
}
.journal-actions { display: flex; gap: 0.7rem; align-items: center; margin-top: 0.8rem; }
.btn {
  background: linear-gradient(180deg, var(--life), var(--earth)); color: #04121c;
  border: none; border-radius: 999px; padding: 0.5rem 1.4rem; cursor: pointer;
  font-family: var(--sans); font-size: 0.9rem; letter-spacing: 0.05em; font-weight: 400;
}
.btn:hover { filter: brightness(1.1); }
.btn-ghost { background: transparent; color: var(--ink-dim); border: 1px solid var(--line); }
.journal-saved { color: var(--health); font-size: 0.85rem; opacity: 0; transition: opacity 0.4s; }
.journal-saved.show { opacity: 1; }

/* footer */
.site-foot { max-width: var(--maxw); margin: 0 auto; padding: 3rem 1.2rem 4rem; text-align: center; color: var(--ink-dim); }
.foot-brand { font-family: var(--display); color: var(--gold); letter-spacing: 0.3em; font-size: 1.1rem; margin: 0 0 0.8rem; }
.foot-line { font-family: var(--serif); font-style: italic; max-width: 30em; margin: 0 auto 1rem; }
.foot-meta { font-size: 0.82rem; letter-spacing: 0.08em; }

/* toast */
.toast {
  position: fixed; bottom: 1.5rem; left: 50%; transform: translateX(-50%) translateY(20px);
  background: rgba(11,18,26,0.95); border: 1px solid var(--line); color: var(--ink);
  padding: 0.7rem 1.4rem; border-radius: 999px; font-size: 0.88rem; z-index: 100;
  opacity: 0; pointer-events: none; transition: all 0.4s;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 620px) {
  .nav { display: none; }
  .panel-canvas { width: 84px; height: 84px; }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-cue { animation: none; }
  html { scroll-behavior: auto; }
}

/* ═══════════════════════════════════════════════════════════
   二级页样式
   ═══════════════════════════════════════════════════════════ */

/* Detail Hero */
.detail-hero {
  position: relative;
  min-height: 52vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 7rem 2rem 4rem;
}
.detail-hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 60%, var(--life)33 0%, transparent 60%),
              radial-gradient(ellipse at 70% 30%, var(--life)22 0%, transparent 50%);
  transition: background 1.5s ease;
}
.health-hero .detail-hero-bg {
  background: radial-gradient(ellipse at 30% 60%, #7bd88f33 0%, transparent 60%),
              radial-gradient(ellipse at 70% 30%, #7bd88f22 0%, transparent 50%);
}
.civ-hero .detail-hero-bg {
  background: radial-gradient(ellipse at 30% 60%, #9b8bff33 0%, transparent 60%),
              radial-gradient(ellipse at 70% 30%, #9b8bff22 0%, transparent 50%);
}
.detail-hero-content {
  position: relative; z-index: 2; text-align: center; max-width: 680px;
}
.detail-insight-tag {
  font-family: var(--serif); font-size: 0.75rem; letter-spacing: 0.25em;
  color: var(--ink-dim); text-transform: uppercase; margin-bottom: 1.2rem;
}
.detail-insight {
  font-family: var(--serif); font-size: clamp(1.05rem, 2.4vw, 1.45rem);
  line-height: 1.9; color: var(--ink); font-style: italic;
  border: none; margin: 0; padding: 0;
}

/* Detail Main */
.detail-main {
  max-width: 860px; margin: 0 auto; padding: 4rem 2rem 6rem;
}
.detail-section-header {
  text-align: center; margin-bottom: 3.5rem;
  padding-bottom: 2rem; border-bottom: 1px solid #ffffff0f;
}
.section-icon {
  display: block; font-size: 2.2rem; margin-bottom: 0.9rem;
}
.section-title {
  font-family: var(--serif); font-size: clamp(1.5rem, 3.5vw, 2.1rem);
  color: var(--ink); margin: 0 0 0.5rem; font-weight: 400; letter-spacing: 0.04em;
}
.section-subtitle {
  font-size: 0.88rem; color: var(--ink-dim); letter-spacing: 0.08em;
  text-transform: uppercase; margin: 0;
}

/* Detail Grid */
.detail-grid { display: flex; flex-direction: column; gap: 1.4rem; margin-bottom: 4rem; }

/* Entry Card */
.entry-card {
  background: #ffffff06;
  border: 1px solid #ffffff0d;
  border-radius: 18px;
  padding: 2rem 2.2rem;
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.7s ease var(--entry-delay, 0ms),
              transform 0.7s ease var(--entry-delay, 0ms),
              border-color 0.3s ease, background 0.3s ease;
}
.entry-card.visible { opacity: 1; transform: none; }
.entry-card:hover { border-color: #ffffff1a; background: #ffffff09; }

.entry-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 0.9rem; }
.entry-icon { font-size: 1.9rem; line-height: 1; }
.entry-title {
  font-family: var(--serif); font-size: 1.25rem; font-weight: 400;
  color: var(--ink); margin: 0; letter-spacing: 0.02em;
}
.entry-summary {
  font-size: 0.95rem; color: var(--ink-dim); line-height: 1.75; margin: 0 0 1rem;
}
.entry-detail-body {
  font-size: 0.93rem; color: var(--ink); line-height: 1.9;
  margin-bottom: 1.2rem; padding: 1rem 1.2rem;
  background: #ffffff05; border-left: 3px solid var(--life);
  border-radius: 0 8px 8px 0;
}
.health-hero ~ main .entry-detail-body { border-left-color: #7bd88f; }
.civ-hero ~ main .entry-detail-body  { border-left-color: #9b8bff; }

/* FAQ */
.faq-list { margin: 0.8rem 0 1rem; display: flex; flex-direction: column; gap: 0.4rem; }
.faq-item { border: 1px solid #ffffff0a; border-radius: 10px; overflow: hidden; }
.faq-q {
  width: 100%; background: none; border: none; padding: 0.85rem 1.1rem;
  font-size: 0.9rem; color: var(--ink); text-align: left;
  cursor: pointer; font-family: var(--serif); letter-spacing: 0.02em;
  transition: background 0.2s;
}
.faq-q:hover { background: #ffffff07; }
.faq-q::before {
  content: '▶'; font-size: 0.6rem; margin-right: 0.6rem;
  transition: transform 0.3s; display: inline-block;
}
.faq-q[aria-expanded="true"]::before { transform: rotate(90deg); }
.faq-a {
  max-height: 0; overflow: hidden; transition: max-height 0.4s ease;
}
.faq-a p { padding: 0 1.1rem 0.9rem; font-size: 0.88rem; color: var(--ink-dim); line-height: 1.8; }

/* Quote */
.entry-quote {
  font-family: var(--serif); font-style: italic; font-size: 0.95rem;
  color: var(--ink-dim); border-left: 3px solid var(--gold);
  margin: 1.2rem 0 0; padding: 0.4rem 1rem; background: #d9b06a08;
  border-radius: 0 6px 6px 0;
}

/* Action Box */
.entry-action-box {
  margin: 1rem 0; padding: 1rem 1.2rem;
  background: #ffffff07; border-radius: 12px;
  border: 1px solid #ffffff0e;
}
.entry-action-label {
  font-size: 0.75rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--gold); font-weight: 600; display: block; margin-bottom: 0.5rem;
}
.entry-action-text { font-size: 0.9rem; color: var(--ink); line-height: 1.7; margin: 0; }

/* Tags */
.entry-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.tag {
  font-size: 0.72rem; padding: 0.25rem 0.7rem;
  background: #ffffff0a; border: 1px solid #ffffff15;
  border-radius: 20px; color: var(--ink-dim); letter-spacing: 0.05em;
}

/* Detail Actions */
.detail-actions { margin-bottom: 3.5rem; }
.actions-title {
  font-family: var(--serif); font-size: 1.3rem; font-weight: 400;
  color: var(--ink); margin: 0 0 1.5rem; text-align: center;
}
.actions-list { display: flex; flex-direction: column; gap: 0.8rem; max-width: 580px; margin: 0 auto; }
.action-item {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1rem 1.2rem; background: #ffffff06;
  border: 1px solid #ffffff0d; border-radius: 14px;
  opacity: 0; transform: translateX(-10px);
  animation: slideIn 0.5s ease forwards var(--delay, 0ms);
}
@keyframes slideIn { to { opacity: 1; transform: none; } }
.action-num {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--life); color: #05080d;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 700; flex-shrink: 0;
}
.health-hero ~ main .action-num { background: #7bd88f; }
.civ-hero ~ main .action-num   { background: #9b8bff; }
.action-text { font-size: 0.93rem; color: var(--ink); line-height: 1.65; }
.action-note {
  font-size: 0.82rem; color: var(--ink-dim); font-style: italic;
  text-align: center; margin: 0.8rem 0 0; padding: 0.7rem;
  background: #d9b06a08; border-radius: 10px; border-left: 3px solid var(--gold);
}

/* Detail Vision */
.detail-vision { text-align: center; }
.vision-title {
  font-family: var(--serif); font-size: 1.3rem; font-weight: 400;
  color: var(--ink); margin: 0 0 1.5rem;
}
.vision-card {
  display: flex; align-items: center; gap: 2.5rem;
  background: #ffffff06; border: 1px solid #ffffff0d;
  border-radius: 20px; padding: 2rem 2.5rem;
  max-width: 600px; margin: 0 auto;
}
.vision-svg-wrap { flex-shrink: 0; width: 110px; height: 110px; }
.vision-svg-wrap svg { width: 100%; height: 100%; }
.vision-text-wrap { text-align: left; }
.vision-name { font-family: var(--serif); font-size: 1.15rem; color: var(--ink); margin: 0 0 0.4rem; }
.vision-theme { font-size: 0.75rem; color: var(--gold); letter-spacing: 0.12em; text-transform: uppercase; margin: 0 0 0.7rem; }
.vision-poem { font-size: 0.88rem; color: var(--ink-dim); line-height: 1.8; font-style: italic; margin: 0; }

/* Footer */
.site-footer { border-top: 1px solid #ffffff0a; padding: 2.5rem 2rem; text-align: center; }
.footer-quote { font-family: var(--serif); font-style: italic; font-size: 0.9rem; color: var(--ink-dim); margin: 0 0 1rem; }
.footer-links { font-size: 0.82rem; color: var(--ink-dim); margin: 0 0 0.8rem; }
.footer-links a { color: var(--ink-dim); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--gold); }
.footer-copy { font-size: 0.75rem; color: #ffffff30; margin: 0; }

/* Nav active */
.nav-links a.active { color: var(--gold); }

@media (max-width: 600px) {
  .detail-main { padding: 2.5rem 1rem 4rem; }
  .entry-card { padding: 1.4rem 1.2rem; }
  .vision-card { flex-direction: column; text-align: center; padding: 1.5rem; }
  .vision-text-wrap { text-align: center; }
}