/* ══════════════════════════════════════════════════════════════
   落地页样式
   ══════════════════════════════════════════════════════════════ */

/* ────────── Hero ────────── */
.hero { padding: 96px 0 80px; position: relative; }
.hero-inner { display: flex; flex-direction: column; align-items: center; text-align: center; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  height: 34px; padding: 0 16px;
  border-radius: var(--pill);
  background: rgba(255,255,255,.05);
  border: 1px solid var(--line-2);
  font-size: 13px; font-weight: 600; color: var(--text-3);
  backdrop-filter: blur(10px);
  margin-bottom: 26px;
}
.hero-badge .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(255,107,26,.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(255,107,26,.55); }
  70%  { box-shadow: 0 0 0 9px rgba(255,107,26,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,107,26,0); }
}

.hero-title {
  font-size: clamp(38px, 6.4vw, 74px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -.035em;
  margin-bottom: 24px;
  max-width: 16em;
}
.grad {
  background: linear-gradient(100deg, var(--accent) 0%, var(--accent-2) 40%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero-lead {
  font-size: clamp(15px, 1.6vw, 18px);
  color: var(--text-3);
  max-width: 42em;
  line-height: 1.78;
  margin-bottom: 34px;
}

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.hero-note { margin-top: 16px; font-size: 13px; color: var(--text-4); }
.hero-note b { color: var(--accent-2); font-weight: 700; }

/* 迷你演示框 */
.hero-demo { margin-top: 46px; width: 100%; max-width: 640px; }
.hero-demo-bar {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(20,29,41,.86), rgba(15,22,32,.86));
  border: 1px solid var(--line-2);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(16px);
}
.hero-demo-ico {
  display: grid; place-items: center; flex: none;
  width: 32px; height: 32px; border-radius: 10px;
  background: var(--accent-soft); color: var(--accent);
}
.hero-demo-text {
  flex: 1; text-align: left; font-size: 14.5px; color: var(--text-3);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.hero-demo-text.swap { opacity: 0; transform: translateY(-6px); }
.hero-demo-tag {
  flex: none; height: 26px; padding: 0 12px;
  display: inline-flex; align-items: center;
  border-radius: var(--pill);
  background: var(--cyan-soft); color: var(--cyan);
  font-size: 12px; font-weight: 650;
  transition: all var(--dur) var(--ease);
}

/* 数据条 */
.hero-stats {
  display: flex; align-items: center; gap: 28px;
  margin-top: 42px; flex-wrap: wrap; justify-content: center;
}
.stat { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.stat b {
  font-size: 26px; font-weight: 750; letter-spacing: -.02em;
  background: linear-gradient(135deg, #fff, var(--text-3));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat span { font-size: 12.5px; color: var(--text-4); }
.stat-sep { width: 1px; height: 30px; background: var(--line-2); }

/* ────────── 区块通用 ────────── */
.section { padding: 88px 0; }
.section-alt { background: rgba(255,255,255,.015); border-block: 1px solid var(--line); }

.section-head { max-width: 640px; margin: 0 auto 52px; text-align: center; }
.section-eyebrow {
  display: inline-block; margin-bottom: 14px;
  font-size: 13px; font-weight: 650; letter-spacing: .06em;
  color: var(--accent);
}
.section-title {
  font-size: clamp(28px, 3.6vw, 44px);
  font-weight: 700; line-height: 1.22; letter-spacing: -.028em;
  margin-bottom: 16px;
}
.section-title.left { text-align: left; }
.section-lead { font-size: 16px; color: var(--text-3); line-height: 1.78; }
.section-lead.left { text-align: left; }
.section-cta { display: flex; justify-content: center; margin-top: 44px; }

/* ────────── 能力卡 ────────── */
.cap-grid {
  display: grid; gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.cap-card {
  position: relative; overflow: hidden;
  padding: 30px 26px 26px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(20,29,41,.7), rgba(15,22,32,.55));
  border: 1px solid var(--line);
  transition: transform var(--dur-slow) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur-slow) var(--ease);
}
.cap-card::after {
  content: ''; position: absolute; inset: 0; border-radius: inherit;
  background: radial-gradient(420px circle at 50% -30%, rgba(255,107,26,.1), transparent 70%);
  opacity: 0; transition: opacity var(--dur-slow) var(--ease); pointer-events: none;
}
.cap-card:hover { transform: translateY(-6px); border-color: var(--line-3); box-shadow: var(--shadow-lg); }
.cap-card:hover::after { opacity: 1; }

.cap-num {
  position: absolute; top: 22px; right: 24px;
  font-size: 30px; font-weight: 800; font-family: var(--mono);
  color: rgba(255,255,255,.055); letter-spacing: -.03em;
}
.cap-icon {
  display: grid; place-items: center;
  width: 48px; height: 48px; border-radius: 15px;
  margin-bottom: 20px;
  transition: transform var(--dur-slow) var(--ease-spring);
}
.cap-card:hover .cap-icon { transform: scale(1.08) rotate(-4deg); }
.cap-icon.c-accent { background: var(--accent-soft); color: var(--accent); border: 1px solid rgba(255,107,26,.24); }
.cap-icon.c-cyan   { background: var(--cyan-soft);   color: var(--cyan);   border: 1px solid rgba(78,205,196,.24); }

.cap-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.cap-card p { font-size: 14px; color: var(--text-3); line-height: 1.72; margin-bottom: 18px; }
.cap-tag {
  display: inline-flex; align-items: center;
  height: 25px; padding: 0 11px;
  border-radius: var(--pill);
  background: rgba(255,255,255,.05); border: 1px solid var(--line);
  font-size: 11.5px; font-weight: 600; color: var(--text-4);
  font-family: var(--mono);
}

/* ────────── 作品展示 ────────── */
.showcase-grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}
.show-card {
  border-radius: var(--radius-lg); overflow: hidden;
  background: var(--surface); border: 1px solid var(--line);
  transition: transform var(--dur-slow) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur-slow) var(--ease);
}
.show-card:hover { transform: translateY(-5px); border-color: var(--line-3); box-shadow: var(--shadow-lg); }

.show-thumb {
  position: relative; aspect-ratio: 4/3;
  display: grid; place-items: center;
  overflow: hidden;
}
.show-thumb span {
  position: relative; z-index: 2;
  height: 24px; padding: 0 11px;
  display: inline-flex; align-items: center;
  border-radius: var(--pill);
  background: rgba(0,0,0,.5); color: #fff;
  font-size: 11.5px; font-weight: 650;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.14);
}
.show-thumb img, .show-thumb video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 1; }

/* 占位渐变（无真实作品时） */
.ph-1 { background: linear-gradient(135deg, #1a2332 0%, #6b2d5c 50%, #2d4a6b 100%); }
.ph-2 { background: linear-gradient(135deg, #2b1d14 0%, #8a4a1f 50%, #1a2a3a 100%); }
.ph-3 { background: linear-gradient(135deg, #0f2a2a 0%, #1f5f5a 50%, #0d1a26 100%); }
.ph-4 { background: linear-gradient(135deg, #1a1a24 0%, #4a4a6b 50%, #2a2a3a 100%); }
.ph-5 { background: linear-gradient(135deg, #241611 0%, #a05a2c 55%, #1a1310 100%); }
.ph-6 { background: linear-gradient(135deg, #12182a 0%, #3a4a7a 50%, #0d1220 100%); }

.show-meta { padding: 14px 16px 16px; }
.show-meta b { display: block; font-size: 14px; font-weight: 650; margin-bottom: 3px; }
.show-meta span { font-size: 12px; color: var(--text-4); font-family: var(--mono); }

/* ────────── 工作流 ────────── */
.flow {
  display: grid; gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  list-style: none; counter-reset: flow;
}
.flow-item {
  position: relative;
  display: flex; flex-direction: column; gap: 16px;
  padding: 26px 22px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.025);
  border: 1px solid var(--line);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur-slow) var(--ease);
}
.flow-item:hover { background: rgba(255,255,255,.045); border-color: var(--line-3); transform: translateY(-4px); }
.flow-step {
  display: grid; place-items: center;
  width: 38px; height: 38px; border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-size: 16px; font-weight: 800;
  box-shadow: 0 6px 16px rgba(255,107,26,.28);
}
.flow-body h3 { font-size: 16.5px; font-weight: 700; margin-bottom: 3px; }
.flow-en {
  display: block; margin-bottom: 10px;
  font-size: 10.5px; font-weight: 700; letter-spacing: .14em;
  color: var(--text-4); font-family: var(--mono);
}
.flow-body p { font-size: 13.5px; color: var(--text-3); line-height: 1.7; }

/* ────────── 分栏 + 特性 ────────── */
.split {
  display: grid; gap: 56px; align-items: center;
  grid-template-columns: 1fr 1fr;
}
.split-actions { margin-top: 28px; display: flex; gap: 12px; }

.feat-list { display: flex; flex-direction: column; gap: 14px; }
.feat {
  display: flex; gap: 15px; align-items: flex-start;
  padding: 18px 20px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.025);
  border: 1px solid var(--line);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.feat:hover { background: rgba(255,255,255,.05); border-color: var(--line-2); transform: translateX(4px); }
.feat-ico {
  display: grid; place-items: center; flex: none;
  width: 38px; height: 38px; border-radius: 12px;
  background: var(--cyan-soft); color: var(--cyan);
  border: 1px solid rgba(78,205,196,.2);
}
.feat b { display: block; font-size: 14.5px; font-weight: 650; margin-bottom: 2px; }
.feat span { font-size: 13px; color: var(--text-4); }

/* ────────── FAQ ────────── */
.faq { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.faq-item {
  border-radius: var(--radius);
  background: rgba(255,255,255,.025);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.faq-item:hover { border-color: var(--line-2); background: rgba(255,255,255,.04); }
.faq-item[open] { border-color: rgba(255,107,26,.28); background: rgba(255,107,26,.035); }
.faq-item summary {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 19px 22px;
  font-size: 15.5px; font-weight: 600;
  cursor: pointer; list-style: none; user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: ''; flex: none;
  width: 9px; height: 9px;
  border-right: 2px solid var(--text-4);
  border-bottom: 2px solid var(--text-4);
  transform: rotate(45deg) translateY(-3px);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.faq-item[open] summary::after {
  transform: rotate(-135deg) translateY(-3px);
  border-color: var(--accent);
}
.faq-a {
  padding: 0 22px 21px;
  font-size: 14px; color: var(--text-3); line-height: 1.8;
  animation: fadeIn var(--dur-slow) var(--ease) both;
}

/* ────────── 结尾 CTA ────────── */
.final { padding: 110px 0; position: relative; }
.final::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 70% at 50% 50%, rgba(255,107,26,.09), transparent 70%);
  pointer-events: none;
}
.final-title {
  font-size: clamp(30px, 4.4vw, 54px);
  font-weight: 700; line-height: 1.2; letter-spacing: -.03em;
  margin-bottom: 18px; position: relative;
}
.final-lead { font-size: 16px; color: var(--text-3); margin-bottom: 34px; position: relative; }
.final-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; position: relative; }

/* ────────── 页脚 ────────── */
.footer { border-top: 1px solid var(--line); padding: 40px 0 34px; background: rgba(0,0,0,.24); }
.footer-inner { display: flex; flex-direction: column; gap: 22px; align-items: center; text-align: center; }
.footer-brand { display: flex; align-items: center; gap: 11px; }
.footer-brand b { display: block; font-size: 14.5px; font-weight: 700; }
.footer-brand span.dim { font-size: 12px; }
.footer-nav { display: flex; gap: 22px; flex-wrap: wrap; justify-content: center; }
.footer-nav a { font-size: 13.5px; color: var(--text-3); }
.footer-nav a:hover { color: var(--accent); }
.footer-copy { font-size: 12.5px; }

/* ────────── 响应式 ────────── */
@media (max-width: 900px) {
  .hero { padding: 62px 0 56px; }
  .section { padding: 62px 0; }
  .split { grid-template-columns: 1fr; gap: 34px; }
  .section-title.left, .section-lead.left { text-align: center; }
  .split-actions { justify-content: center; }
  .hero-stats { gap: 20px; }
  .final { padding: 74px 0; }
}
@media (max-width: 560px) {
  .hero-demo-bar { padding: 13px 15px; }
  .hero-demo-tag { display: none; }
  .hero-stats { gap: 16px; }
  .stat b { font-size: 21px; }
  .stat-sep { height: 24px; }
  .hero-actions .btn { width: 100%; }
  .final-actions .btn { width: 100%; }
}