/* ---------- Hero ---------- */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-h) + 40px);
  padding-bottom: 72px;
  border-top: 0;
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(32px, 6vw, 72px);
  align-items: center;
  width: 100%;
}
.hero__title {
  font-size: clamp(2.6rem, 7.6vw, 5rem);
  margin: 20px 0 22px;
}
.hero__title span { display: block; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 44px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.hero__stat b {
  display: block;
  font-size: 1.7rem;
  font-family: var(--font-mono);
  color: var(--accent);
}
.hero__stat span { font-size: 0.82rem; color: var(--text-mute); }

.hero__card {
  position: relative;
  padding: 26px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.015));
  box-shadow: var(--shadow-lg);
  animation: float 7s var(--ease-out) infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
.hero__card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-mute);
}
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot--r { background: #ff5f57; }
.dot--y { background: #febc2e; }
.dot--g { background: #28c840; }
.hero__code {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.9;
  color: var(--text-dim);
  white-space: pre-wrap;
}
.hero__code .k { color: var(--accent-2); }
.hero__code .s { color: var(--accent-3); }
.hero__code .p { color: var(--accent); }
.hero__badge {
  position: absolute;
  right: -14px;
  bottom: -16px;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid var(--line-strong);
  font-size: 0.8rem;
  box-shadow: var(--shadow-lg);
}

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__card { order: -1; }
}

/* ---------- 关于 + 技能 ---------- */
.about__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}
.about__text p + p { margin-top: 16px; }
.about__text { color: var(--text-dim); }
.skill-groups { display: grid; gap: 22px; }
.skill-group__label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 10px;
}
.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }

@media (max-width: 860px) {
  .about__grid { grid-template-columns: 1fr; }
}

/* ---------- 作品网格（悬停动效） ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.filter {
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 0.84rem;
  color: var(--text-dim);
  transition: all var(--t-base) var(--ease-out);
}
.filter:hover { color: var(--text); border-color: var(--line-strong); }
.filter.is-active {
  color: #04141a;
  background: var(--grad-accent);
  border-color: transparent;
  font-weight: 600;
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 22px;
}
.work-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px;
  min-height: 250px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--bg-card);
  overflow: hidden;
  transition: transform var(--t-base) var(--ease-out),
    border-color var(--t-base) var(--ease-out),
    box-shadow var(--t-base) var(--ease-out),
    background-color var(--t-base) var(--ease-out);
}
.work-card::before {
  /* 跟随鼠标的高光 */
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 0%),
    rgba(110, 231, 255, 0.16), transparent 65%);
  transition: opacity var(--t-base) var(--ease-out);
}
.work-card:hover {
  transform: translateY(-6px);
  border-color: rgba(110, 231, 255, 0.42);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-glow);
}
.work-card:hover::before { opacity: 1; }
.work-card.is-hidden { display: none; }

.work-card__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.work-card__emoji {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  font-size: 1.35rem;
  border-radius: 14px;
  background: var(--bg-card-hover);
  border: 1px solid var(--line);
  transition: transform var(--t-base) var(--ease-spring), border-color var(--t-base) var(--ease-out);
}
.work-card:hover .work-card__emoji { transform: rotate(-8deg) scale(1.1); border-color: var(--accent); }
.work-card__year { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-mute); }
.work-card__title { font-size: 1.2rem; margin-top: auto; }
.work-card__desc { color: var(--text-dim); font-size: 0.92rem; }
.work-card__tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 4px; }
.work-card__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
}
.work-card__link i {
  display: inline-block;
  transition: transform var(--t-base) var(--ease-spring);
}
.work-card:hover .work-card__link i { transform: translateX(5px); }
.empty-hint { color: var(--text-mute); font-size: 0.9rem; padding: 24px 0; }

/* ---------- 经历时间线 ---------- */
.timeline { position: relative; display: grid; gap: 8px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  opacity: 0.5;
}
.tl-item {
  position: relative;
  padding: 0 0 26px 40px;
  transition: transform var(--t-base) var(--ease-out);
}
.tl-item:hover { transform: translateX(6px); }
.tl-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 19px;
  height: 19px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--line-strong);
  transition: border-color var(--t-base) var(--ease-out), box-shadow var(--t-base) var(--ease-out);
}
.tl-item:hover::before, .tl-item.is-current::before {
  border-color: var(--accent);
  box-shadow: 0 0 0 5px var(--accent-soft);
}
.tl-item__period { font-family: var(--font-mono); font-size: 0.78rem; color: var(--accent); }
.tl-item__role { font-size: 1.1rem; margin-top: 5px; }
.tl-item__org { font-size: 0.92rem; color: var(--text-dim); }
.tl-item__points { margin: 10px 0 0; padding-left: 18px; color: var(--text-mute); font-size: 0.88rem; }
.tl-item__points li + li { margin-top: 4px; }

/* ---------- 文章 ---------- */
.posts { display: grid; gap: 2px; }
.post {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
  padding: 22px 8px;
  border-bottom: 1px solid var(--line);
  transition: background-color var(--t-base) var(--ease-out), padding-left var(--t-base) var(--ease-out);
}
.post:hover { background: var(--bg-card); padding-left: 18px; }
.post__date { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-mute); }
.post__title { font-size: 1.05rem; font-weight: 600; transition: color var(--t-base) var(--ease-out); }
.post:hover .post__title { color: var(--accent); }
.post__excerpt { color: var(--text-dim); font-size: 0.88rem; margin-top: 4px; }
.post__more { font-size: 1.1rem; color: var(--text-mute); transition: transform var(--t-base) var(--ease-spring), color var(--t-base); }
.post:hover .post__more { transform: translateX(6px); color: var(--accent); }

@media (max-width: 700px) {
  .post { grid-template-columns: minmax(0, 1fr) auto; }
  .post__date { grid-column: 1 / -1; }
}

/* ---------- 联系 ---------- */
.contact {
  text-align: center;
  display: grid;
  justify-items: center;
  gap: 20px;
}
.contact__title { font-size: clamp(2rem, 5.4vw, 3.4rem); max-width: 22ch; }
.contact__mail {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.6vw, 1.35rem);
  color: var(--accent);
  border-bottom: 1px dashed rgba(110, 231, 255, 0.5);
  padding-bottom: 3px;
  transition: border-color var(--t-base) var(--ease-out), color var(--t-base);
}
.contact__mail:hover { color: #fff; border-color: #fff; }
.socials { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.social {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 0.88rem;
  color: var(--text-dim);
  transition: transform var(--t-fast) var(--ease-spring), border-color var(--t-base), color var(--t-base);
}
.social:hover { transform: translateY(-3px); border-color: var(--accent); color: var(--accent); }
.toast {
  font-size: 0.85rem;
  color: var(--accent-3);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--t-base) var(--ease-out), transform var(--t-base) var(--ease-out);
}
.toast.is-on { opacity: 1; transform: none; }