/* ============================================================
   首页样式 — 原构工坊
   ============================================================ */

/* ==================== Hero 首屏 ==================== */
.hero {
  position: relative;
  padding: calc(var(--nav-h) + clamp(48px, 8vw, 96px)) 0 clamp(64px, 9vw, 110px);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--bg-gradient-glow);
  pointer-events: none;
}

.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

.hero__pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 36px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  color: var(--ink-2);
  margin-bottom: var(--sp-6);
  backdrop-filter: blur(8px);
}

.hero__pill .pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-2);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(47, 191, 160, 0.45); }
  50% { box-shadow: 0 0 0 6px rgba(47, 191, 160, 0); }
}

.hero h1 {
  font-size: var(--fs-display);
  margin-bottom: var(--sp-3);
}

.hero__sub {
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: var(--sp-5);
}

.hero__desc {
  font-size: clamp(15px, 1.4vw, 17px);
  color: var(--ink-2);
  max-width: 480px;
  margin-bottom: var(--sp-8);
}

.hero__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: var(--sp-10);
}

.hero__metrics {
  display: flex;
  gap: clamp(24px, 4vw, 48px);
}

.hero__metrics .stat__num { font-size: clamp(26px, 2.6vw, 34px); }

/* Hero 右侧演示区 */
.hero__demo {
  position: relative;
}

.hero__demo-main {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--line);
  background: #fff;
}

/* Hero 视频：自动循环播放的产品演示 */
.hero__video { aspect-ratio: 16 / 9; }

.hero__video video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__demo-float {
  position: absolute;
  z-index: 2;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: float 5s ease-in-out infinite;
}

.hero__demo-float .ok {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-2);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 11px;
  flex: none;
}

.hero__demo-float--tl { top: -22px; left: -18px; }
.hero__demo-float--br { bottom: -20px; right: -14px; animation-delay: 2.5s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ==================== 演示视频卡（模块2） ==================== */
.demo-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}

.demo-card { overflow: hidden; display: flex; flex-direction: column; }

.demo-card__media {
  position: relative;
  aspect-ratio: 16 / 10.5;
  background: var(--bg-gradient-soft);
}

.demo-card__media .demo-abs {
  position: absolute;
  inset: 14px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.demo-card__badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 3;
  height: 28px;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  background: rgba(11, 13, 18, 0.72);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  backdrop-filter: blur(6px);
}

.demo-card__badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ff5f57;
  animation: pulse-red 1.6s infinite;
}

@keyframes pulse-red {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.demo-card__body { padding: var(--sp-6); flex: 1; display: flex; flex-direction: column; }

.demo-card__body h3 {
  font-size: var(--fs-title);
  margin-bottom: 8px;
}

.demo-card__body > p {
  font-size: var(--fs-small);
  color: var(--ink-2);
  margin-bottom: var(--sp-4);
}

.demo-card__flow {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: var(--sp-3);
}

.demo-card__flow li {
  font-size: 12px;
  color: var(--ink-2);
  background: var(--bg-secondary);
  border-radius: 8px;
  padding: 4px 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.demo-card__flow li::after {
  content: "→";
  color: var(--ink-3);
  margin-left: 2px;
}

.demo-card__flow li:last-child::after { content: ""; }

/* 整卡可点击 + 右下角查看详情 */
.demo-card[data-href] { cursor: pointer; }
.demo-card[data-href]:hover .demo-card__more { color: var(--accent-hover); }

.demo-card__foot {
  margin-top: auto;
  padding-top: var(--sp-4);
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: flex-end;
}

.demo-card__more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  transition: color var(--dur-fast);
}

.demo-card__more svg { width: 14px; height: 14px; }

/* ==================== 对比区（模块3） ==================== */
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-6);
}

.compare__col {
  border-radius: var(--radius-xl);
  padding: clamp(28px, 4vw, 48px);
}

.compare__col--old {
  background: var(--bg-secondary);
  border: 1px solid var(--line);
}

.compare__col--new {
  background: var(--bg-dark);
  color: var(--ink-inverse);
  position: relative;
  overflow: hidden;
}

.compare__col--new::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 60% at 80% 10%, rgba(97, 92, 237, 0.28), transparent 60%);
  pointer-events: none;
}

.compare__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-8);
}

.compare__head h3 { font-size: var(--fs-h3); }
.compare__col--new h3 { color: #fff; }

.compare__steps { position: relative; display: flex; flex-direction: column; gap: 14px; }

.compare__steps li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: #fff;
  border: 1px solid var(--line);
  font-weight: 600;
  font-size: 15px;
}

.compare__col--new .compare__steps li {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.compare__steps li .idx {
  width: 26px;
  height: 26px;
  flex: none;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 700;
  background: var(--bg-secondary);
  color: var(--ink-2);
}

.compare__col--new .compare__steps li .idx {
  background: var(--gradient-vivid);
  color: #fff;
}

.compare__steps li.down {
  background: none;
  border: none;
  padding: 0 20px;
  color: var(--ink-3);
  font-size: 18px;
  line-height: 1;
}

.compare__col--new .compare__steps li.down { color: rgba(255,255,255,0.4); }

/* ==================== AI员工体系（模块4） ==================== */
.staff-tabs { margin-bottom: var(--sp-10); }

.staff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}

.staff-card { padding: var(--sp-8); display: flex; flex-direction: column; gap: var(--sp-4); }

/* 吉祥物：作为图标内部内容，占满图标区域 */
.staff-card__mascot {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 15px;
  pointer-events: none;
}

.staff-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  overflow: hidden;
}

.staff-card__icon svg { width: 26px; height: 26px; }

.staff-card h3 { font-size: var(--fs-title); }

.staff-card .role {
  font-size: 13px;
  color: var(--ink-3);
  margin-top: -8px;
}

.staff-card ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: var(--sp-2);
}

.staff-card ul li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-small);
  color: var(--ink-2);
}

.staff-card ul li::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-2);
  flex: none;
}

.staff-card .card__foot {
  margin-top: auto;
  padding-top: var(--sp-2);
}

.staff-panel { display: none; }
.staff-panel.is-active { display: grid; animation: fadeUp 0.5s var(--ease-standard); }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}

/* ==================== 连接生态（模块5） ==================== */
.connect {
  position: relative;
  border-radius: var(--radius-xl);
  background: var(--bg-gradient-soft);
  border: 1px solid var(--line);
  padding: clamp(32px, 5vw, 64px);
  overflow: hidden;
}

.connect::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--bg-gradient-glow);
  pointer-events: none;
}

.connect__layout {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
}

.connect__hub {
  width: clamp(140px, 16vw, 180px);
  height: clamp(140px, 16vw, 180px);
  border-radius: 50%;
  background: var(--bg-dark);
  color: #fff;
  display: grid;
  place-items: center;
  text-align: center;
  position: relative;
  box-shadow: 0 20px 60px rgba(11, 13, 18, 0.3);
}

.connect__hub::before,
.connect__hub::after {
  content: "";
  position: absolute;
  inset: -14px;
  border-radius: 50%;
  border: 1.5px dashed rgba(97, 92, 237, 0.4);
  animation: spin 24s linear infinite;
}

.connect__hub::after {
  inset: -30px;
  border-color: rgba(47, 191, 160, 0.3);
  animation-duration: 40s;
  animation-direction: reverse;
}

@keyframes spin { to { transform: rotate(360deg); } }

.connect__hub strong { font-size: 17px; display: block; }
.connect__hub small { font-size: 12px; color: var(--ink-inverse-2); }

.connect__group h4 {
  font-size: 13px;
  color: var(--ink-3);
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: var(--sp-4);
  text-transform: uppercase;
}

.connect__logos {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.connect__logos span {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-1);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-fast), box-shadow var(--dur-fast);
}

.connect__logo .brand-ico {
  width: 22px;
  height: 22px;
  border-radius: 5px;
  object-fit: contain;
  flex: none;
  background: #fff;
}

.connect__logos span:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.connect__group + .connect__group { margin-top: var(--sp-6); }

/* ==================== 行业方案入口（模块6） ==================== */
.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}

.solution-card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
  background: #fff;
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform var(--dur-med) var(--ease-standard), box-shadow var(--dur-med);
}

.solution-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.solution-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: var(--gradient-vivid);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-med) var(--ease-standard);
}

.solution-card:hover::after { transform: scaleX(1); }

.solution-card .platform-logo {
  width: 46px;
  height: 46px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 16px;
  color: #fff;
  margin-bottom: var(--sp-5);
}

.solution-card .platform-logo--img {
  object-fit: contain;
  background: #fff;
  padding: 9px;
  box-shadow: var(--shadow-sm);
}

.solution-card h3 { font-size: 17px; margin-bottom: 6px; }
.solution-card p { font-size: var(--fs-small); color: var(--ink-2); margin-bottom: var(--sp-4); }

/* ==================== 客户案例（模块7） ==================== */
.case-feature {
  max-width: 820px;
  margin-inline: auto;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--bg-dark);
  color: var(--ink-inverse);
}

.case-feature__body {
  padding: clamp(28px, 3.5vw, 44px);
  text-align: center;
}

.case-feature__body .tag { margin-inline: auto; }

.case-feature__body h3 { color: #fff; font-size: var(--fs-h3); margin: 14px 0 10px; }
.case-feature__body > p {
  color: var(--ink-inverse-2);
  font-size: 15px;
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: var(--sp-8);
}

.case-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-4);
  margin-bottom: var(--sp-8);
}

.case-metrics .before-after {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 16px;
}

.case-metrics .before-after small {
  display: block;
  font-size: 12px;
  color: var(--ink-inverse-2);
  margin-bottom: 8px;
}

.case-metrics .before-after .val {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
}

.case-metrics .before-after .val del {
  display: block;
  font-size: 13px;
  color: var(--ink-inverse-2);
  font-weight: 400;
  text-decoration-color: rgba(255,255,255,0.4);
}

/* ==================== 关于（模块8） ==================== */
.about-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-5);
}

.about-card {
  padding: var(--sp-8) var(--sp-6);
  text-align: left;
}

.about-card .num {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: var(--sp-4);
}

.about-card h3 { font-size: 17px; margin-bottom: 8px; }
.about-card p { font-size: var(--fs-small); color: var(--ink-2); }

/* ==================== 底部 CTA ==================== */
.cta-band {
  position: relative;
  border-radius: var(--radius-xl);
  background: var(--bg-dark);
  color: #fff;
  padding: clamp(48px, 7vw, 96px) clamp(28px, 6vw, 80px);
  text-align: center;
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(50% 70% at 15% 20%, rgba(97, 92, 237, 0.35), transparent 60%),
    radial-gradient(45% 65% at 85% 80%, rgba(47, 191, 160, 0.28), transparent 60%);
}

.cta-band > * { position: relative; }

.cta-band h2 {
  color: #fff;
  font-size: var(--fs-h2);
  margin-bottom: var(--sp-4);
}

.cta-band p {
  color: var(--ink-inverse-2);
  max-width: 520px;
  margin: 0 auto var(--sp-8);
}

.cta-band .hero__actions { justify-content: center; margin-bottom: 0; }

/* ==================== 响应式 ==================== */
@media (max-width: 1024px) {
  .demo-cards { grid-template-columns: 1fr 1fr; }
  .staff-grid { grid-template-columns: 1fr 1fr; }
  .solution-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__desc { max-width: none; }
  .compare { grid-template-columns: 1fr; }
  .connect__layout { grid-template-columns: 1fr; text-align: center; }
  .connect__hub { margin-inline: auto; order: -1; }
  .connect__logos { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 640px) {
  .demo-cards { grid-template-columns: 1fr; }
  .staff-grid { grid-template-columns: 1fr; }
  .solution-grid { grid-template-columns: 1fr; }
  .case-metrics { grid-template-columns: 1fr; }
  .hero__demo-float--tl { left: 0; }
  .hero__demo-float--br { right: 0; }
  .connect__logos { grid-template-columns: repeat(2, 1fr); }
}