/* ==========================================================================
   单页专属样式：技术基座 / 案例 / 关于 / 联系
   ========================================================================== */

/* --------------------------------------------------------------------------
   技术基座 —— 模型矩阵
   -------------------------------------------------------------------------- */
.model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
}

.model-card {
  display: grid;
  gap: 0.85rem;
  align-content: start;
  padding: clamp(1.4rem, 2.5vw, 2rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.model-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-line);
}

.model-card header {
  display: grid;
  gap: 0.4rem;
}

.model-tag {
  justify-self: start;
  font-size: var(--fs-xs);
  padding: 0.2rem 0.65rem;
  border-radius: var(--r-pill);
  background: var(--data-soft);
  color: var(--data);
  border: 1px solid rgba(var(--data-rgb), 0.28);
}

.model-card h3 {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.model-role {
  font-size: var(--fs-sm);
  color: var(--accent);
}

.model-desc {
  color: var(--text-2);
  font-size: 0.93rem;
}

.model-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.model-specs li {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-3);
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
}

/* --------------------------------------------------------------------------
   技术基座 —— Harness
   -------------------------------------------------------------------------- */
.harness-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0.5rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
  overflow-x: auto;
}

.flow-node {
  flex: 1 1 130px;
  display: grid;
  gap: 0.3rem;
  align-content: start;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg-alt);
}

.flow-k {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--accent);
  letter-spacing: 0.08em;
}

.flow-v {
  font-size: var(--fs-xs);
  color: var(--text-2);
  line-height: 1.5;
}

.flow-link {
  flex: 0 0 16px;
  align-self: center;
  height: 1px;
  background: var(--line-strong);
  position: relative;
}

.flow-link::after {
  content: '';
  position: absolute;
  right: -1px;
  top: -2.5px;
  width: 6px;
  height: 6px;
  border-top: 1px solid var(--line-strong);
  border-right: 1px solid var(--line-strong);
  transform: rotate(45deg);
}

.harness-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.harness-card {
  background: var(--bg);
  padding: clamp(1.3rem, 2.2vw, 1.85rem);
  display: grid;
  gap: 0.55rem;
  align-content: start;
  transition: background var(--dur) var(--ease);
}

.harness-card:hover {
  background: var(--surface);
}

.harness-card h3 {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.05rem;
}

.harness-card .icon {
  width: 16px;
  height: 16px;
  color: var(--data);
}

.harness-card p {
  color: var(--text-2);
  font-size: 0.92rem;
}

/* --------------------------------------------------------------------------
   技术基座 —— 工作流
   -------------------------------------------------------------------------- */
.workflow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
}

.workflow-card {
  display: grid;
  gap: 0.9rem;
  align-content: start;
  padding: clamp(1.4rem, 2.5vw, 2rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

.workflow-card.is-featured {
  border-color: var(--accent-line);
  background: linear-gradient(150deg, rgba(var(--accent-rgb), 0.08), var(--surface) 55%);
}

.workflow-card h3 {
  font-size: 1.2rem;
}

.workflow-desc {
  color: var(--text-2);
  font-size: 0.93rem;
}

.workflow-card ul {
  display: grid;
  gap: 0.55rem;
}

.workflow-card li {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: 0.92rem;
  color: var(--text-2);
}

.workflow-card .icon {
  width: 15px;
  height: 15px;
  margin-top: 0.32rem;
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   技术基座 —— 智能体
   -------------------------------------------------------------------------- */
.agent-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}

.agent-steps {
  display: grid;
  gap: 0;
}

.agent-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1.25rem;
  padding-block: 1.35rem;
  border-bottom: 1px solid var(--line);
}

.agent-steps li:first-child {
  padding-top: 0;
}

.agent-steps li:last-child {
  border-bottom: none;
}

.agent-n {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--accent);
  padding-top: 0.15rem;
}

.agent-steps h3 {
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}

.agent-steps p {
  color: var(--text-2);
  font-size: 0.93rem;
}

.agent-governance {
  padding: clamp(1.4rem, 2.5vw, 2rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  display: grid;
  gap: 1rem;
  align-content: start;
  position: sticky;
  top: calc(var(--header-h) + 2rem);
}

.agent-governance h3 {
  font-size: 1.05rem;
}

.agent-governance ul {
  display: grid;
  gap: 0.7rem;
}

.agent-governance li {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: 0.92rem;
  color: var(--text-2);
}

.agent-governance .icon {
  width: 15px;
  height: 15px;
  margin-top: 0.32rem;
  color: var(--data);
}

.agent-note {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: var(--fs-sm);
  color: var(--text-3);
}

@media (max-width: 900px) {
  .agent-layout {
    grid-template-columns: 1fr;
  }
  .agent-governance {
    position: static;
  }
}

/* --------------------------------------------------------------------------
   技术基座 —— 兼容与部署
   -------------------------------------------------------------------------- */
.compat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 3vw, 3rem);
}

.compat-title {
  font-size: 1.05rem;
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--line);
}

.compat-list {
  display: grid;
  gap: 1.25rem;
}

.compat-list li {
  display: grid;
  gap: 0.35rem;
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.compat-list li:hover {
  border-color: var(--accent-line);
  transform: translateX(4px);
}

.compat-kind {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--accent);
  letter-spacing: 0.1em;
}

.compat-list b {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--head);
}

.compat-list p {
  font-size: 0.9rem;
  color: var(--text-2);
}

@media (max-width: 820px) {
  .compat-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   技术基座 —— 安全
   -------------------------------------------------------------------------- */
.security-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.security-card {
  background: var(--bg);
  padding: clamp(1.4rem, 2.5vw, 2rem);
  display: grid;
  gap: 0.6rem;
  align-content: start;
  transition: background var(--dur) var(--ease);
}

.security-card:hover {
  background: var(--surface);
}

.security-card h3 {
  font-size: 1.05rem;
}

.security-card p {
  font-size: 0.92rem;
  color: var(--text-2);
}

/* --------------------------------------------------------------------------
   关于我们
   -------------------------------------------------------------------------- */
.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.value-card {
  background: var(--bg);
  padding: clamp(1.5rem, 2.5vw, 2.15rem);
  display: grid;
  gap: 0.7rem;
  align-content: start;
  transition: background var(--dur) var(--ease);
}

.value-card:hover {
  background: var(--surface);
}

.value-card h3 {
  font-size: 1.2rem;
}

.value-card p {
  color: var(--text-2);
  font-size: 0.93rem;
}

.timeline {
  display: grid;
  gap: 0;
}

.timeline-item {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2.5rem);
  padding-block: 1.6rem;
  border-bottom: 1px solid var(--line);
}

.timeline-item:last-child {
  border-bottom: none;
}

.timeline-y {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--accent);
}

.timeline-body h3 {
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
}

.timeline-body p {
  color: var(--text-2);
  font-size: 0.95rem;
}

@media (max-width: 640px) {
  .timeline-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
}

.join-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: center;
  padding: clamp(1.75rem, 4vw, 3rem);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background: var(--surface);
}

.join-desc {
  margin-top: 1rem;
  color: var(--text-2);
}

@media (max-width: 820px) {
  .join-inner {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   联系页
   -------------------------------------------------------------------------- */
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  gap: clamp(1.75rem, 4vw, 3.5rem);
  align-items: start;
}

.contact-title {
  font-size: 1.5rem;
}

.contact-sub {
  margin-top: 0.5rem;
  margin-bottom: 1.75rem;
  color: var(--text-3);
  font-size: var(--fs-sm);
}

.contact-sub em {
  color: var(--accent);
  font-style: normal;
}

.contact-aside {
  display: grid;
  gap: 2rem;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background: var(--surface);
  position: sticky;
  top: calc(var(--header-h) + 2rem);
}

.step-list {
  display: grid;
  gap: 1.35rem;
}

.step-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
}

.step-n {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.step-list strong {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--head);
  display: block;
  margin-bottom: 0.25rem;
}

.step-list p {
  color: var(--text-2);
  font-size: 0.9rem;
}

.contact-meta {
  display: grid;
  gap: 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: var(--fs-sm);
  color: var(--text-2);
}

.contact-meta a,
.contact-meta span {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.contact-meta .icon {
  width: 15px;
  height: 15px;
  color: var(--text-3);
}

.contact-meta a:hover {
  color: var(--accent);
}

@media (max-width: 980px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }
  .contact-aside {
    position: static;
  }
}

.office-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.office-card {
  background: var(--bg);
  padding: clamp(1.5rem, 2.5vw, 2rem);
  display: grid;
  gap: 0.5rem;
  align-content: start;
}

.office-card h3 {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 1rem;
  color: var(--text-3);
  font-family: var(--font-body);
  font-weight: 400;
}

.office-card .icon {
  color: var(--accent);
  width: 16px;
  height: 16px;
}

.office-card > a,
.office-card > span:not(.icon) {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--head);
}

.office-card > a:hover {
  color: var(--accent);
}

.office-card p {
  font-size: var(--fs-sm);
  color: var(--text-3);
}