/* ──────────────────────────────────────────────────
   晨曦财经 · 设计系统
   暗色金融主题 · 编辑感排版 · 数据驱动配色
   ────────────────────────────────────────────────── */

:root {
  /* 色板 */
  --bg:           #0a0b0d;
  --bg-elev:     #111317;
  --bg-elev-2:   #181b21;
  --border:       #1f242c;
  --border-strong:#2a3038;

  --text:         #e8eaed;
  --text-soft:    #a0a6b1;
  --text-mute:    #6b7280;

  --accent:       #d4a574;       /* 暖金 */
  --accent-soft:  #8a6e4f;
  --accent-glow:  rgba(212,165,116,0.15);

  --green:        #4ade80;
  --red:          #ef4444;
  --amber:        #fbbf24;
  --blue:         #60a5fa;

  /* 字体 */
  --font-sans:  'Inter', 'PingFang SC', system-ui, sans-serif;
  --font-serif: 'Noto Serif SC', 'Source Han Serif SC', serif;

  /* 尺度 */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-xl: 24px;

  --tx-hero:  clamp(2.5rem, 1rem + 6vw, 5.5rem);
  --tx-h2:    clamp(1.75rem, 1rem + 2vw, 2.75rem);
  --tx-h3:    1.25rem;
  --tx-body:  1rem;
  --tx-small: 0.875rem;

  --ease:     cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.serif { font-family: var(--font-serif); font-weight: 600; }
.accent { color: var(--accent); }
.green { color: var(--green); }
.red { color: var(--red); }
.amber { color: var(--amber); }

/* ── 按钮 ── */
.btn-primary, .btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--r-md);
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s var(--ease), background 0.2s, border-color 0.2s;
  cursor: pointer;
  border: 1px solid transparent;
  font-size: var(--tx-body);
}
.btn-primary {
  background: var(--accent);
  color: #1a1410;
}
.btn-primary:hover {
  background: #e3b787;
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-ghost:hover {
  background: var(--bg-elev);
  border-color: var(--accent-soft);
}
.btn-sm  { padding: 8px 14px; font-size: var(--tx-small); }
.btn-lg  { padding: 14px 28px; font-size: 1.05rem; }
.btn-full { width: 100%; justify-content: center; }

/* ── 导航 ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10,11,13,0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  padding-bottom: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
}
.logo-mark {
  color: var(--accent);
  font-size: 1.3rem;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  color: var(--text-soft);
  text-decoration: none;
  font-size: var(--tx-small);
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-links .btn-primary { color: #1a1410; }

/* ── HERO ── */
.hero {
  position: relative;
  padding: 100px 0 120px;
  overflow: hidden;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212,165,116,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212,165,116,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at top, black 30%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  text-align: center;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  font-size: var(--tx-small);
  color: var(--text-soft);
  margin-bottom: 32px;
}
.hero-tag .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero-title {
  font-size: var(--tx-hero);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.hero-desc {
  font-size: 1.2rem;
  color: var(--text-soft);
  margin-bottom: 40px;
  line-height: 1.7;
}
.hero-cta {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 80px;
}
.hero-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 700px;
  margin: 0 auto;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.meta-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.meta-num {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}
.meta-label {
  font-size: var(--tx-small);
  color: var(--text-mute);
}

/* ── 区段通用 ── */
section { padding: 100px 0; }
.section-title {
  font-size: var(--tx-h2);
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.section-desc {
  text-align: center;
  color: var(--text-soft);
  margin-bottom: 60px;
}

/* ── FEATURES (Bento) ── */
.features { background: linear-gradient(180deg, var(--bg) 0%, var(--bg-elev) 100%); }
.bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 60px;
}
.bento-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}
.bento-card:hover {
  border-color: var(--accent-soft);
  transform: translateY(-2px);
}
.bento-card.span-2 { grid-column: span 2; }
.card-tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--accent-glow);
  color: var(--accent);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}
.bento-card h3 {
  font-size: var(--tx-h3);
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.bento-card p {
  color: var(--text-soft);
  font-size: 0.95rem;
  line-height: 1.7;
}

.card-demo {
  margin-top: 20px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 14px;
  font-family: 'SF Mono', Consolas, monospace;
  font-size: 0.85rem;
}
.demo-line {
  padding: 4px 0;
  color: var(--text-soft);
}
.demo-tag {
  color: var(--accent);
  font-weight: 600;
  margin-right: 6px;
}

.indicator-mini {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}
.ind {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 10px;
  text-align: center;
}
.ind span {
  display: block;
  font-size: 0.7rem;
  color: var(--text-mute);
  margin-bottom: 4px;
}
.ind b {
  font-family: var(--font-serif);
  font-size: 1.1rem;
}

.audio-mock {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 12px 16px;
  margin-top: 16px;
}
.audio-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: #1a1410;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
}
.audio-wave {
  display: flex;
  flex: 1;
  gap: 3px;
  align-items: center;
  height: 24px;
}
.audio-wave span {
  flex: 1;
  background: var(--accent-soft);
  border-radius: 2px;
  animation: wave 1.2s infinite ease-in-out;
}
.audio-wave span:nth-child(1) { height: 30%; animation-delay: 0.0s; }
.audio-wave span:nth-child(2) { height: 60%; animation-delay: 0.1s; }
.audio-wave span:nth-child(3) { height: 80%; animation-delay: 0.2s; }
.audio-wave span:nth-child(4) { height: 50%; animation-delay: 0.3s; }
.audio-wave span:nth-child(5) { height: 70%; animation-delay: 0.4s; }
.audio-wave span:nth-child(6) { height: 90%; animation-delay: 0.5s; }
.audio-wave span:nth-child(7) { height: 40%; animation-delay: 0.6s; }
.audio-wave span:nth-child(8) { height: 65%; animation-delay: 0.7s; }
.audio-wave span:nth-child(9) { height: 55%; animation-delay: 0.8s; }
.audio-wave span:nth-child(10){ height: 35%; animation-delay: 0.9s; }
@keyframes wave {
  0%, 100% { transform: scaleY(0.4); }
  50% { transform: scaleY(1); }
}
.audio-time {
  font-family: var(--font-serif);
  color: var(--text-mute);
  font-size: 0.85rem;
}

.time-mock {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  margin-top: 16px;
  text-align: center;
}
.time-mock small {
  font-size: 1rem;
  color: var(--text-mute);
}

.sources {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}
.sources span {
  padding: 5px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--text-soft);
}

/* ── PRICING ── */
.pricing { background: var(--bg); }
.plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 60px;
}
.plans-two {
  grid-template-columns: repeat(2, 1fr);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}
.pricing-note {
  text-align: center;
  color: var(--text-mute);
  font-size: var(--tx-small);
  margin-top: 40px;
}
.plan-feat b.green  { color: var(--green); font-weight: 600; }
.plan-feat b.amber  { color: var(--amber); font-weight: 600; }
.plan-feat b.red    { color: var(--red);   font-weight: 600; }
.plan {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 36px 28px;
  position: relative;
  display: flex;
  flex-direction: column;
}
.plan-pro {
  background: linear-gradient(180deg, var(--bg-elev-2), var(--bg-elev));
  border-color: var(--accent-soft);
  transform: scale(1.03);
}
.plan-badge {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #1a1410;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  letter-spacing: 0.05em;
}
.plan-name {
  font-size: var(--tx-small);
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.plan-price {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.plan-price small {
  font-size: 1rem;
  color: var(--text-mute);
  font-weight: 400;
  font-family: var(--font-sans);
}
.plan-old {
  font-size: var(--tx-small);
  color: var(--text-mute);
  margin-bottom: 28px;
}
.plan-feat {
  list-style: none;
  margin-bottom: 32px;
  flex: 1;
}
.plan-feat li {
  padding: 8px 0;
  font-size: 0.95rem;
  color: var(--text-soft);
  border-bottom: 1px dashed var(--border);
}

/* ── FAQ ── */
.faq { background: var(--bg-elev); }
.faq-list {
  max-width: 800px;
  margin: 60px auto 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.faq details {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 18px 24px;
  transition: border-color 0.2s;
}
.faq details[open] {
  border-color: var(--accent-soft);
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq summary::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--accent);
  transition: transform 0.2s;
}
.faq details[open] summary::after {
  transform: rotate(45deg);
}
.faq details p {
  margin-top: 14px;
  color: var(--text-soft);
  line-height: 1.7;
}

/* ── FOOTER ── */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 60px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}
.footer-brand p {
  color: var(--text-soft);
  margin-top: 12px;
  font-size: 0.95rem;
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}
.footer-links h5 {
  font-size: var(--tx-small);
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.footer-links a {
  display: block;
  padding: 5px 0;
  color: var(--text-soft);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }
.footer-bottom {
  text-align: center;
  color: var(--text-mute);
  font-size: var(--tx-small);
  padding-top: 30px;
}

/* ── 响应式 ── */
@media (max-width: 900px) {
  .nav-links a:not(.btn-primary) { display: none; }
  .hero { padding: 60px 0 80px; }
  .hero-meta { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .bento { grid-template-columns: 1fr; }
  .bento-card.span-2 { grid-column: span 1; }
  .plans, .plans-two { grid-template-columns: 1fr; }
  .plan-pro { transform: none; }
  .footer-top { grid-template-columns: 1fr; gap: 40px; }
}