/* 首页专用样式 — 仅 index.html 引用 */

/* === Hero === */
.hero { position: relative; padding: 140px 0 120px; overflow: hidden; }
.hero-inner { position: relative; z-index: 2; text-align: center; }
.hero-glow {
  position: absolute; top: -300px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 700px; border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(34, 197, 94, 0.10) 0%, rgba(34, 197, 94, 0) 55%);
  pointer-events: none; z-index: 1;
}

.hero-title { font-size: clamp(2.6rem, 5.5vw, 4rem); font-weight: 800; line-height: 1.08; letter-spacing: -0.03em; margin-bottom: 24px; animation: heroFade .7s ease-out both; }
.hero-title-accent {
  background: linear-gradient(135deg, var(--brand-bright) 0%, var(--accent) 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-subtitle { font-size: 1.18rem; color: var(--text-dim); max-width: 560px; margin: 0 auto 48px; line-height: 1.5; animation: heroFade .7s ease-out .12s both; }

.hero-actions {
  display: inline-flex; align-items: center; gap: 16px; flex-wrap: wrap; justify-content: center;
  animation: heroFade .7s ease-out .24s both;
}
@keyframes heroFade { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

.hero-install {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--bg-code); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 10px 8px 10px 18px; font-family: var(--font-mono); font-size: 0.92rem;
  color: var(--text); transition: border-color .18s;
}
.hero-install:hover { border-color: var(--border-light); }
.hero-install-prompt { color: var(--brand-bright); user-select: none; }
.hero-install code { color: var(--text); }

/* === Why === */
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; max-width: 920px; margin: 0 auto; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.why-card { background: var(--bg-card); padding: 32px; }
.why-card-label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 14px; }
.why-card-label-red { color: #f87171; }
.why-card-label-green { color: var(--brand-bright); }
.why-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.why-card p { color: var(--text-dim); font-size: 0.92rem; line-height: 1.6; }

/* === Features === */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.feature-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; transition: .15s; }
.feature-card:hover { border-color: var(--brand-dim); transform: translateY(-2px); }
.feature-icon { font-size: 1.6rem; margin-bottom: 12px; }
.feature-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.feature-card p { color: var(--text-dim); font-size: 0.9rem; line-height: 1.55; }
.feature-card code { background: var(--bg-code); padding: 1px 6px; border-radius: 4px; color: var(--brand-bright); font-size: 0.85em; }

/* === Quick Start === */
.qs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 28px; max-width: 980px; margin: 0 auto; }
.qs-step { position: relative; }
.qs-num {
  width: 36px; height: 36px; border-radius: 50%; background: var(--brand);
  color: #fff; font-weight: 700; display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px; font-size: 1rem;
}
.qs-step h3 { font-size: 1.05rem; margin-bottom: 12px; }

/* === Token Efficiency === */
.token-compare { max-width: 880px; margin: 0 auto; }
.token-bar-group { margin-bottom: 28px; }
.token-bar-label { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; }
.token-bar-label .t-label { font-size: 0.95rem; font-weight: 600; color: var(--text); }
.token-bar-label .t-value { font-family: var(--font-mono); font-size: 0.88rem; color: var(--text-dim); }
.token-bar-track { height: 28px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; position: relative; }
.token-bar-fill { height: 100%; border-radius: var(--radius-sm); transition: width 1s ease-out; display: flex; align-items: center; justify-content: flex-end; padding-right: 10px; font-size: 0.78rem; font-weight: 600; font-family: var(--font-mono); }
.token-bar-fill-mcp { background: linear-gradient(90deg, rgba(248, 113, 113, 0.3) 0%, rgba(248, 113, 113, 0.5) 100%); color: #f87171; }
.token-bar-fill-cli { background: linear-gradient(90deg, rgba(34, 197, 94, 0.3) 0%, rgba(34, 197, 94, 0.5) 100%); color: var(--brand-bright); }
.token-bar-fill-script { background: linear-gradient(90deg, rgba(56, 189, 248, 0.3) 0%, rgba(56, 189, 248, 0.5) 100%); color: var(--accent); }
.token-summary { display: flex; justify-content: center; gap: 32px; margin-top: 36px; flex-wrap: wrap; }
.token-stat { text-align: center; }
.token-stat-num { font-size: 2.4rem; font-weight: 800; line-height: 1; margin-bottom: 6px; }
.token-stat-num-green { color: var(--brand-bright); }
.token-stat-num-red { color: #f87171; }
.token-stat-label { font-size: 0.85rem; color: var(--text-dim); }

/* === Ecosystem === */
.eco-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; max-width: 980px; margin: 0 auto; }
.eco-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; transition: .15s; display: flex; flex-direction: column; }
.eco-card:hover { border-color: var(--brand-dim); transform: translateY(-2px); }
.eco-card-core { border-color: var(--brand-dim); }
.eco-card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.eco-logo { height: 36px; width: auto; max-width: 180px; }
.eco-card-badges { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.eco-badge { font-size: 0.68rem; font-weight: 700; padding: 3px 8px; border-radius: 4px; letter-spacing: 0.03em; text-transform: uppercase; }
.eco-badge-npm { background: rgba(203, 56, 55, 0.15); color: #f87171; }
.eco-badge-vsc { background: rgba(0, 122, 204, 0.15); color: #38bdf8; }
.eco-ver { font-size: 0.75rem; color: var(--text-mute); font-family: var(--font-mono); }
.eco-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.eco-card p { color: var(--text-dim); font-size: 0.9rem; line-height: 1.55; margin-bottom: 16px; flex: 1; }
.eco-install { background: var(--bg-code); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 8px 12px; margin-bottom: 14px; }
.eco-install code { font-size: 0.82rem; color: var(--brand-bright); }
.eco-links { display: flex; gap: 16px; flex-wrap: wrap; }
.eco-links a { font-size: 0.85rem; font-weight: 500; color: var(--text-dim); }
.eco-links a:hover { color: var(--brand-bright); }

/* === CTA === */
.cta-section { padding: 100px 0; background: linear-gradient(135deg, rgba(34, 197, 94, 0.06) 0%, rgba(56, 189, 248, 0.06) 100%); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.cta-inner { text-align: center; }
.cta-inner h2 { font-size: clamp(1.8rem, 3.5vw, 2.4rem); font-weight: 700; margin-bottom: 12px; }
.cta-inner p { color: var(--text-dim); font-size: 1.05rem; margin-bottom: 28px; }
.cta-buttons { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

@media (max-width: 768px) {
  .hero { padding: 90px 0 80px; }
  .hero-actions { flex-direction: column; gap: 12px; width: 100%; }
  .hero-install { width: 100%; justify-content: center; padding: 10px 14px; }
  .why-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-install { font-size: 0.8rem; }
  .hero-install code { word-break: break-all; }
}