.projects-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 1.5rem 5rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  position: relative;
}

/* 移动端 header 间距优化 */
@media (max-width: 768px) {
  .projects-shell {
    padding-top: 6.5rem;
  }
}

@media (max-width: 640px) {
  .projects-shell {
    padding-top: 7rem;
  }
}

@media (max-width: 480px) {
  .projects-shell {
    padding-top: 7.5rem;
  }
}

@media (max-width: 360px) {
  .projects-shell {
    padding-top: 8rem;
  }
}

.projects-shell::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 0%, rgba(59, 130, 246, 0.12), transparent 45%),
              radial-gradient(circle at 80% 20%, rgba(248, 113, 113, 0.12), transparent 45%);
  filter: blur(40px);
  z-index: var(--z-base);
  opacity: 0.7;
}

.projects-shell > * {
  position: relative;
  z-index: var(--z-content);
}

.projects-hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
  background: linear-gradient(135deg, #fdfcf9, #e9f3ff);
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: 36px;
  padding: 3rem;
  box-shadow: var(--shadow-2xl);
  position: relative;
  overflow: hidden;
  color: var(--color-text);
}

html[data-theme="dark"] .projects-hero,
body[theme="dark"] .projects-hero {
  background: radial-gradient(circle at 20% 20%, rgba(59, 130, 246, 0.25), transparent 55%),
              linear-gradient(135deg, #0b1224, #151f3d 70%, #1f2452);
  border-color: rgba(255, 255, 255, 0.08);
  color: #e2e8f0;
}

.projects-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 0%, rgba(59, 130, 246, 0.18), transparent 60%),
              radial-gradient(circle at 80% 100%, rgba(248, 113, 113, 0.15), transparent 55%);
  pointer-events: none;
  mix-blend-mode: multiply;
  z-index: var(--z-base);
}

.projects-hero__particles {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(59, 130, 246, 0.35), transparent 45%),
    radial-gradient(circle at 70% 30%, rgba(236, 72, 153, 0.25), transparent 55%),
    radial-gradient(circle at 40% 80%, rgba(14, 165, 233, 0.3), transparent 60%);
  opacity: 0.5;
  animation: particlesDrift 18s linear infinite;
  pointer-events: none;
  z-index: var(--z-base);
  transform: translateZ(0);
  isolation: isolate;
}

.projects-hero__particles--soft {
  filter: blur(40px);
  opacity: 0.35;
  animation-duration: 28s;
}

html[data-theme="dark"] .projects-hero__particles,
body[theme="dark"] .projects-hero__particles {
  background-image:
    radial-gradient(circle at 15% 25%, rgba(96, 165, 250, 0.45), transparent 50%),
    radial-gradient(circle at 80% 30%, rgba(192, 132, 252, 0.35), transparent 55%),
    radial-gradient(circle at 40% 80%, rgba(34, 197, 94, 0.25), transparent 60%);
  opacity: 0.65;
}

@keyframes particlesDrift {
  0% { 
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 0.5;
  }
  50% { 
    transform: translate3d(0, 0, 0) scale(1.02);
    opacity: 0.6;
  }
  100% { 
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 0.5;
  }
}

.projects-hero__text {
  position: relative;
  z-index: var(--z-content);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.projects-hero__text h1 {
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  margin: 0;
  color: #0f172a;
}

.projects-hero__lead {
  color: rgba(15, 23, 42, 0.75);
  font-size: 1.1rem;
  line-height: 1.8;
  margin: 0;
}

.projects-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.projects-hero__points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  color: rgba(15, 23, 42, 0.65);
}

html[data-theme="dark"] .projects-hero__text h1,
body[theme="dark"] .projects-hero__text h1 {
  color: #f8fafc;
}

html[data-theme="dark"] .projects-hero__lead,
body[theme="dark"] .projects-hero__lead {
  color: rgba(248, 250, 252, 0.8);
}

html[data-theme="dark"] .projects-hero__points,
body[theme="dark"] .projects-hero__points {
  color: rgba(226, 232, 240, 0.8);
}

.projects-hero__visual {
  position: relative;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 28px;
  overflow: hidden;
  z-index: var(--z-content);
}

.projects-hero__glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.35), transparent 60%);
  filter: blur(80px);
  opacity: 0.8;
  z-index: var(--z-base);
}

.projects-radar-canvas {
  position: absolute;
  inset: 0;
  z-index: var(--z-content);
  border-radius: inherit;
  overflow: hidden;
}

.projects-radar-canvas canvas {
  width: 100% !important;
  height: 100% !important;
  max-width: 100% !important;
  max-height: 100% !important;
  display: block;
  object-fit: contain;
}

.projects-radar-tooltip {
  position: absolute;
  z-index: var(--z-sticky);
  pointer-events: none;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.85);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  left: 0;
  top: 0;
  transform: translate(-50%, -120%);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

html[data-theme="light"] .projects-radar-tooltip,
body[theme="light"] .projects-radar-tooltip {
  background: rgba(15, 23, 42, 0.75);
}

html[data-theme="dark"] .projects-radar-tooltip,
body[theme="dark"] .projects-radar-tooltip {
  background: rgba(15, 23, 42, 0.95);
}

.projects-hero__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
  position: relative;
  z-index: var(--z-content);
}

.projects-stat {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.85));
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 20px;
  padding: 1.5rem 1.5rem;
  backdrop-filter: blur(16px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.projects-stat::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6, #ec4899);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.projects-stat:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12), 0 4px 8px rgba(0, 0, 0, 0.08);
  border-color: rgba(59, 130, 246, 0.3);
}

.projects-stat:hover::before {
  opacity: 1;
}

.projects-stat__label {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(15, 23, 42, 0.5);
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: block;
}

.projects-stat__value {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  margin: 0.5rem 0;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.projects-stat__note {
  font-size: 0.875rem;
  color: rgba(15, 23, 42, 0.7);
  margin-top: 0.5rem;
  line-height: 1.5;
  font-weight: 500;
}

html[data-theme="dark"] .projects-stat,
body[theme="dark"] .projects-stat {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.9), rgba(15, 23, 42, 0.85));
  border-color: rgba(148, 163, 184, 0.15);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3), 0 2px 4px rgba(0, 0, 0, 0.2);
}

html[data-theme="dark"] .projects-stat:hover,
body[theme="dark"] .projects-stat:hover {
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.5), 0 4px 8px rgba(0, 0, 0, 0.3);
  border-color: rgba(96, 165, 250, 0.4);
}

html[data-theme="dark"] .projects-stat__label,
body[theme="dark"] .projects-stat__label {
  color: rgba(226, 232, 240, 0.6);
}

html[data-theme="dark"] .projects-stat__value,
body[theme="dark"] .projects-stat__value {
  background: linear-gradient(135deg, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

html[data-theme="dark"] .projects-stat__note,
body[theme="dark"] .projects-stat__note {
  color: rgba(226, 232, 240, 0.8);
}

.projects-control {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(226, 232, 240, 0.6);
  border-radius: 24px;
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
}

html[data-theme="dark"] .projects-control,
body[theme="dark"] .projects-control {
  background: rgba(15, 23, 42, 0.7);
  border-color: rgba(255, 255, 255, 0.08);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-group[data-filter-group="status"] .filter-chips {
  flex-wrap: nowrap;
  gap: 0.4rem;
}

.chip--filter {
  border-radius: 999px;
  padding: 0.35rem 1rem;
  font-size: 0.9rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.chip--filter.is-active {
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
  color: var(--color-accent);
  box-shadow: 0 8px 20px rgba(59,130,246,0.15);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--color-surface);
  border: 1px solid rgba(148, 163, 184, 0.35);
  border-radius: 26px;
  padding: 1.9rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  box-shadow: var(--shadow-lg);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative;
  overflow: hidden;
}

.project-card::after {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-2xl);
  border-color: var(--color-accent);
}

.project-card:hover::after {
  opacity: 1;
}

.project-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.project-card__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent, #3b82f6) 10%, transparent);
  color: var(--color-text);
  border: 1px solid color-mix(in srgb, var(--accent, #3b82f6) 60%, transparent);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.project-card__badge .project-card__icon {
  font-size: 1.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: currentColor;
}

.project-card__badge .project-card__icon .icon {
  width: 1em;
  height: 1em;
  fill: currentColor;
}

.project-card__phase {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.project-card__body h3 {
  margin: 0 0 0.5rem;
  font-size: 1.3rem;
}

.project-card__body p {
  margin: 0;
  color: var(--color-text-muted);
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.75rem;
}

.project-card__tags span {
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  background: var(--color-surface-muted);
  font-size: 0.85rem;
}

.project-card__meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.project-card__cta {
  margin-top: auto;
  border: none;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  padding: 0.65rem 1.1rem;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.2s ease;
}

.project-card__cta:hover {
  background: var(--color-accent);
  color: #fff;
}

.projects-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  padding-top: var(--projects-drawer-offset, 72px);
  background: rgba(2,6,23,0.65);
  backdrop-filter: blur(10px);
  display: flex;
  justify-content: flex-end;
  align-items: flex-start;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease;
  z-index: var(--z-drawer);
}

.projects-drawer.is-active {
  opacity: 1;
  visibility: visible;
}

.projects-drawer__panel {
  width: min(640px, 100%);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(14, 165, 233, 0.04)) var(--color-surface-elevated);
  max-height: calc(100vh - var(--projects-drawer-offset, 72px) - 2rem);
  padding: 2.5rem;
  overflow: auto;
  border-left: 1px solid var(--color-border);
  box-shadow: -30px 0 60px rgba(0,0,0,0.35);
  display: flex;
  flex-direction: column;
  gap: 2rem;
  border-radius: 28px 0 0 28px;
  position: relative;
}

.projects-drawer__panel::before {
  content: '';
  position: absolute;
  inset: 1.5rem;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  pointer-events: none;
  z-index: var(--z-base);
}

.projects-drawer__panel > * {
  position: relative;
  z-index: var(--z-content);
}

.projects-drawer__head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
}

.projects-drawer__subtitle {
  margin: 0.35rem 0 0;
  color: var(--color-text-muted);
}

.projects-drawer__close {
  border: none;
  background: transparent;
  font-size: 2rem;
  cursor: pointer;
  color: var(--color-text-muted);
}

.projects-drawer__summary, .projects-drawer__timeline, .projects-drawer__content {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.projects-summary {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 1.5rem;
  border-radius: 24px;
  background: radial-gradient(circle at 20% 0%, rgba(59, 130, 246, 0.2), transparent 60%),
              var(--color-surface-muted);
  border: 1px solid color-mix(in srgb, var(--color-accent) 25%, transparent);
  box-shadow: var(--shadow-xl, var(--shadow-lg));
}

.projects-summary__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.projects-summary__note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.projects-pill-group {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.projects-pill {
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--color-accent);
  color: #fff;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.projects-pill--ghost {
  background: rgba(255,255,255,0.15);
  color: var(--color-text);
  border: 1px solid color-mix(in srgb, var(--color-text) 20%, transparent);
}

.projects-summary__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.85rem;
}

.projects-meta-card {
  padding: 1rem 1.2rem;
  border-radius: 18px;
  border: 1px solid var(--color-border);
  background: rgba(15, 23, 42, 0.03);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.projects-meta-card .label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 0;
}

.projects-meta-card .value {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
}

.projects-drawer__cta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.projects-drawer__nav {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: space-between;
}

.projects-drawer__nav-btn[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
}

.projects-detail__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

html {
  --tech-card-gradient: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(79, 70, 229, 0.1));
  --tech-chip-bg: rgba(15, 23, 42, 0.05);
}

[data-theme="dark"],
body[theme="dark"] {
  --tech-card-gradient: linear-gradient(135deg, rgba(56, 189, 248, 0.16), rgba(59, 130, 246, 0.12));
  --tech-chip-bg: rgba(15, 23, 42, 0.45);
}

.projects-detail__grid > div {
  padding: 1.5rem;
  border-radius: 22px;
  border: 1px solid color-mix(in srgb, var(--color-accent) 20%, transparent);
  background: var(--tech-card-gradient), var(--color-surface-muted);
  box-shadow: 0 25px 50px rgba(15, 23, 42, 0.12);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.projects-detail__grid h4 {
  margin: 0;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.projects-detail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.projects-detail__list li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.5rem 0.75rem;
  border-radius: 14px;
  background: var(--tech-chip-bg);
  border: 1px solid color-mix(in srgb, var(--color-border) 80%, transparent);
  font-weight: 600;
  color: var(--color-text);
  position: relative;
  overflow: hidden;
}

.projects-detail__list li::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 8px color-mix(in srgb, var(--color-accent) 70%, transparent);
}

.projects-detail__highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.projects-highlight {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  background: var(--color-accent-soft);
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid color-mix(in srgb, var(--color-accent) 25%, transparent);
}

.projects-detail__metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.projects-metric {
  padding: 0.9rem 1rem;
  border-radius: 18px;
  background: var(--color-surface-muted);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.projects-metric__label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.projects-metric__value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-text);
}

.projects-metric__note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.projects-detail__media {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.projects-detail__media figure {
  margin: 0;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-surface-muted);
  box-shadow: var(--shadow-lg);
}

.projects-detail__media img {
  display: block;
  width: 100%;
  height: auto;
}

.projects-detail__media figcaption {
  padding: 0.6rem 0.9rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.projects-detail__content {
  padding: 1.2rem 1.4rem;
  border-radius: 20px;
  border: 1px solid var(--color-border);
  background: rgba(15, 23, 42, 0.02);
  line-height: 1.8;
  color: var(--color-text);
  box-shadow: var(--shadow-md);
}

.projects-detail__content p + p {
  margin-top: 0.75rem;
}

.projects-detail__content ul {
  margin: 0.75rem 0 0.75rem 1.2rem;
  padding: 0;
}

.projects-detail__content .project-insights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
}

.projects-detail__content .project-insight {
  list-style: none;
  padding: 1rem 1.2rem;
  border-radius: 18px;
  border: 1px solid color-mix(in srgb, var(--color-accent) 20%, transparent);
  background: radial-gradient(circle at 15% 15%, rgba(59, 130, 246, 0.15), transparent 60%),
              var(--color-surface-muted);
  box-shadow: var(--shadow-md);
}

.projects-detail__content .project-insight h5 {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
}

.projects-detail__content .project-insight p {
  margin: 0;
  line-height: 1.6;
  color: var(--color-text);
}

.projects-detail__timeline {
  position: relative;
  padding-left: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.projects-detail__timeline::before {
  content: '';
  position: absolute;
  left: 0.5rem;
  top: 0.2rem;
  bottom: 0.2rem;
  width: 2px;
  background: color-mix(in srgb, var(--color-accent) 45%, transparent);
  border-radius: 999px;
}

.projects-detail__timeline li {
  list-style: none;
  background: var(--color-surface-muted);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 0.75rem 1rem 0.75rem 1.5rem;
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.95rem;
}

.projects-detail__timeline .label {
  font-weight: 600;
  color: var(--color-text);
}

.projects-detail__timeline .value {
  color: var(--color-text-muted);
}

.projects-detail__timeline li::before {
  content: '';
  position: absolute;
  left: -0.9rem;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.45);
}

.projects-detail__links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.projects-detail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  color: var(--color-text);
}

.projects-detail__timeline {
  list-style: none;
  margin: 1rem 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.projects-detail__timeline li {
  display: flex;
  justify-content: space-between;
  padding: 0.4rem 0.75rem;
  border-radius: 12px;
  background: var(--color-surface-muted);
}

.projects-detail__links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.projects-detail__links .btn.outline {
  background: transparent;
  border: 1.5px solid var(--color-border);
  color: var(--color-text);
  display: inline-flex;
  align-items: center;
  transition: all 0.2s ease;
}

.projects-detail__links .btn.outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: color-mix(in srgb, var(--color-accent) 10%, transparent);
  transform: translateY(-2px);
}

body[theme="dark"] .projects-detail__links .btn.outline,
html[data-theme="dark"] .projects-detail__links .btn.outline {
  border-color: rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.9);
}

body[theme="dark"] .projects-detail__links .btn.outline:hover,
html[data-theme="dark"] .projects-detail__links .btn.outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: color-mix(in srgb, var(--color-accent) 15%, transparent);
}

@media (min-width: 800px) and (max-width: 1300px) {
  .projects-hero__visual {
    padding: 2.5rem;
    min-height: 300px;
  }

  .projects-radar-canvas {
    padding: 2rem;
  }
}

@media (max-width: 768px) {
  .projects-shell {
    padding: 2rem 1rem 4rem;
  }

  .projects-hero {
    padding: 2rem 1.5rem;
    grid-template-columns: 1fr; /* 移动端改为单列布局 */
    gap: 2rem;
  }

  .projects-hero__text {
    order: 1;
  }

  .projects-hero__visual {
    order: 2;
    min-height: 320px; /* 增加高度，让八卦图更大 */
    padding: 1rem;
  }

  .projects-hero__stats {
    grid-template-columns: repeat(3, 1fr); /* 保持三列，但每列更窄 */
    gap: 0.75rem;
  }

  .projects-stat {
    padding: 1.25rem 1rem;
    border-radius: 16px;
  }

  .projects-stat__value {
    font-size: 2rem;
  }

  .projects-stat__label {
    font-size: 0.65rem;
  }

  .projects-stat__note {
    font-size: 0.8rem;
  }

  .projects-control {
    grid-template-columns: 1fr; /* 移动端改为单列 */
    gap: 1.25rem;
    padding: 1.25rem;
  }

  .filter-group {
    width: 100%;
  }

  .filter-chips {
    flex-wrap: wrap; /* 确保可以换行 */
  }

  .filter-group[data-filter-group="status"] .filter-chips {
    flex-wrap: wrap; /* 移动端允许换行 */
  }

  .projects-grid {
    grid-template-columns: 1fr; /* 移动端单列 */
    gap: 1.25rem;
  }

  .projects-drawer__panel {
    width: 100%;
    border-left: none;
    border-radius: 0;
    padding: 2rem 1.5rem;
  }

  .projects-detail__grid {
    grid-template-columns: 1fr; /* 移动端单列 */
  }

  .projects-detail__metrics {
    grid-template-columns: repeat(2, 1fr); /* 移动端两列 */
  }

  .projects-detail__media {
    grid-template-columns: 1fr; /* 移动端单列 */
  }
}

@media (max-width: 480px) {
  .projects-hero {
    padding: 1.5rem 1rem;
    border-radius: 24px;
  }

  .projects-hero__stats {
    grid-template-columns: 1fr; /* 小屏幕单列 */
    gap: 0.75rem;
  }

  .projects-stat {
    padding: 1.25rem 1rem;
  }

  .projects-stat__value {
    font-size: 1.75rem;
  }

  .projects-control {
    padding: 1rem;
    border-radius: 20px;
  }

  .filter-chips {
    gap: 0.4rem;
  }

  .chip--filter {
    font-size: 0.85rem;
    padding: 0.3rem 0.85rem;
  }

  .projects-detail__metrics {
    grid-template-columns: 1fr; /* 小屏幕单列 */
  }
}