/* =========================================================
   GATTACA — 页面专属样式
   ========================================================= */

/* ---------------- 首页 Hero ---------------- */

.hero {
  /* 首屏占满一屏，但在超高分辨率屏幕上不超过 860px，避免出现大片空白 */
  min-height: min(calc(100vh - var(--nav-h)), 860px);
  display: flex;
  align-items: center;
  padding: clamp(56px, 9vw, 96px) 0 clamp(40px, 6vw, 64px);
  position: relative;
  overflow: hidden;
}

.hero__inner { width: 100%; }

.hero__label {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.26em;
  color: var(--text-3);
  text-transform: uppercase;
  margin-bottom: 30px;
}
.hero__label::after {
  content: "";
  flex: 0 0 60px;
  height: 1px;
  background: var(--line-2);
}

.hero__title {
  font-family: var(--font-mono);
  font-size: clamp(44px, 13vw, 132px);
  font-weight: 300;
  line-height: 1;
  letter-spacing: 0.16em;
  text-indent: 0.16em;
  color: var(--text);
  margin: 0 0 6px;
}

.hero__title span {
  display: inline-block;
  opacity: 1;
}

.hero.is-ready .hero__title span {
  animation: letter-in 900ms var(--ease) both;
  animation-delay: calc(var(--i) * 70ms);
}

@keyframes letter-in {
  from { opacity: 0; transform: translateY(16px); filter: blur(6px); }
  to   { opacity: 1; transform: none; filter: none; }
}

.hero__role {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  font-size: clamp(15px, 1.9vw, 19px);
  color: var(--text-2);
  margin: 20px 0 0;
}
.hero__role .dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--ice);
  opacity: 0.7;
}

.hero__lede {
  max-width: 52ch;
  margin: 30px 0 0;
  color: var(--text-2);
  font-size: 15px;
}

.hero__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  margin-top: clamp(44px, 6vw, 68px);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  background: var(--line);
}
.hero__meta-item {
  background: rgba(9, 11, 14, 0.82);
  padding: 16px 20px;
}
.hero__meta-k {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-4);
  margin-bottom: 6px;
}
.hero__meta-v {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--silver);
}

/* 序列条：缓慢漂移的碱基串 */
.hero__seq {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 22px;
  overflow: hidden;
  pointer-events: none;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.hero__seq-track {
  display: flex;
  width: max-content;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.34em;
  color: var(--text-4);
  opacity: 0.55;
  animation: seq-drift 64s linear infinite;
  white-space: nowrap;
}
.hero__seq-track b { font-weight: 400; color: rgba(143, 199, 216, 0.34); }

@keyframes seq-drift {
  to { transform: translateX(-50%); }
}

/* 扫描线：很慢的一道冷光 */
.hero__glow {
  position: absolute;
  top: -20%;
  left: 42%;
  width: 46%;
  height: 140%;
  pointer-events: none;
  background: radial-gradient(closest-side, rgba(143, 199, 216, 0.11), transparent 72%);
  filter: blur(6px);
  animation: breathe 14s ease-in-out infinite;
}

@keyframes breathe {
  0%, 100% { opacity: 0.55; transform: translate3d(0, 0, 0) scale(1); }
  50%      { opacity: 1;    transform: translate3d(-4%, 2%, 0) scale(1.08); }
}

/* ---------------- 首页模块入口 ---------------- */

.modules {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(232px, 1fr));
  gap: 16px;
}

.module {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 208px;
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: linear-gradient(180deg, rgba(143, 199, 216, 0.04), transparent 58%), rgba(10, 12, 15, 0.7);
  transition: border-color 420ms var(--ease), transform 420ms var(--ease),
              background 420ms var(--ease);
}
.module:hover {
  border-color: var(--ice-line);
  transform: translateY(-4px);
  background: linear-gradient(180deg, rgba(143, 199, 216, 0.08), transparent 62%), rgba(15, 18, 23, 0.85);
}

.module__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--text-4);
  transition: color 420ms var(--ease);
}
.module:hover .module__no { color: var(--ice); }

.module__name {
  font-family: var(--font-mono);
  font-size: 17px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin: 26px 0 10px;
  color: var(--text);
  transition: transform 420ms var(--ease);
}
.module:hover .module__name { transform: translateX(4px); }

.module__desc {
  color: var(--text-2);
  font-size: 13.5px;
  line-height: 1.8;
  margin: 0;
}

.module__go {
  margin-top: auto;
  padding-top: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--text-4);
  transition: color 420ms var(--ease);
}
.module:hover .module__go { color: var(--ice); }

/* 动态流 */
.feed { border-top: 1px solid var(--line); }

.feed__item {
  display: grid;
  grid-template-columns: 104px 78px 1fr auto;
  gap: 18px;
  align-items: baseline;
  padding: 20px 4px;
  border-bottom: 1px solid var(--line);
  transition: background 320ms var(--ease), padding-left 320ms var(--ease);
}
.feed__item:hover {
  background: linear-gradient(90deg, var(--ice-soft), transparent 72%);
  padding-left: 12px;
}
.feed__date {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-3);
}
.feed__kind {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ice);
  opacity: 0.85;
}
.feed__title { font-size: 16px; }
.feed__item:hover .feed__title { color: var(--ice); }
.feed__desc { color: var(--text-2); font-size: 13.5px; margin-top: 4px; }
.feed__arrow {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-4);
}

/* ---------------- About ---------------- */

.about-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

.about-intro__text p { color: var(--text-2); }
.about-intro__text p:first-child { color: var(--text); }

.portrait {
  position: relative;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--line-2);
  border-radius: 6px;
  background:
    radial-gradient(120% 90% at 30% 10%, rgba(143, 199, 216, 0.16), transparent 62%),
    linear-gradient(160deg, #10141A 0%, #090B0E 100%);
  overflow: hidden;
}

.portrait__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(198, 214, 229, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(198, 214, 229, 0.07) 1px, transparent 1px);
  background-size: 34px 34px;
}

.portrait__helix {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.5;
}

.portrait__cap {
  position: absolute;
  left: 16px;
  bottom: 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--text-3);
  text-transform: uppercase;
}

/* 时间线 */
.timeline { position: relative; padding-left: 26px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--ice-line), var(--line) 60%, transparent);
}

.timeline__item { position: relative; padding: 0 0 30px; }
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 11px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--ice-line);
  background: var(--void);
  border-radius: 50%;
}
.timeline__period {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ice);
  margin-bottom: 6px;
}
.timeline__title { font-size: 16px; margin-bottom: 6px; }
.timeline__desc { color: var(--text-2); font-size: 14px; }

/* 兴趣标签 */
.interest-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.interest {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-2);
  border: 1px solid var(--line-2);
  border-radius: 999px;
  padding: 7px 16px;
  transition: color 320ms var(--ease), border-color 320ms var(--ease),
              background 320ms var(--ease);
}
.interest:hover {
  color: var(--ice);
  border-color: var(--ice-line);
  background: var(--ice-soft);
}

/* ---------------- Research / Projects ---------------- */

.entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  padding: 32px 4px;
  border-bottom: 1px solid var(--line);
  transition: background 340ms var(--ease), padding-left 340ms var(--ease);
}
.entry:hover {
  background: linear-gradient(90deg, var(--ice-soft), transparent 66%);
  padding-left: 14px;
}
.entry:first-child { border-top: 1px solid var(--line); }

.entry__field {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ice);
  margin-bottom: 12px;
}
.entry__title { font-size: clamp(19px, 2.6vw, 24px); margin-bottom: 12px; }
.entry:hover .entry__title { color: var(--ice); }
.entry__summary { color: var(--text-2); font-size: 14.5px; max-width: 62ch; }
.entry__tags { margin-top: 16px; }

.entry__side {
  text-align: right;
  min-width: 132px;
}
.entry__period {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-3);
  margin-bottom: 10px;
  white-space: nowrap;
}

.project-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  color: var(--text-2);
  white-space: nowrap;
}
.project-status--doing { color: var(--ice); border-color: var(--ice-line); background: var(--ice-soft); }
.project-status--done { color: var(--text-3); }

/* ---------------- 详情页 ---------------- */

.detail-head {
  padding: clamp(40px, 6vw, 72px) 0 30px;
  border-bottom: 1px solid var(--line);
}
.detail-head__back {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 26px;
}
.detail-head__back:hover { color: var(--ice); }
.detail-head__field {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ice);
  margin-bottom: 16px;
}
.detail-head h1 { margin-bottom: 18px; max-width: 24ch; }
.detail-head__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-3);
}

.detail-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  gap: clamp(30px, 5vw, 64px);
  padding: clamp(36px, 5vw, 56px) 0 clamp(56px, 8vw, 88px);
  align-items: start;
}

.prose { max-width: 68ch; }
.prose p { color: var(--text-2); }
.prose p:first-of-type { color: var(--text); font-size: 16.5px; }
.prose h2 {
  font-size: 17px;
  margin: 40px 0 14px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ice);
}
.prose h2:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.prose ul { margin: 0 0 1.2em; padding-left: 0; list-style: none; }
.prose li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 9px;
  color: var(--text-2);
  font-size: 15px;
}
.prose li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 12px;
  width: 5px;
  height: 5px;
  border: 1px solid var(--ice-line);
  border-radius: 50%;
}

.aside-card {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 22px 20px;
  background: rgba(10, 12, 15, 0.7);
}
.aside-card + .aside-card { margin-top: 16px; }
.aside-card__k {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-4);
  margin-bottom: 12px;
}
.aside-list { list-style: none; margin: 0; padding: 0; }
.aside-list li {
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 13.5px;
  color: var(--text-2);
}
.aside-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.aside-list a:hover { color: var(--ice); }

/* ---------------- Movies ---------------- */

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  align-items: flex-end;
  padding: 22px 0 26px;
  border-bottom: 1px solid var(--line);
}
.filter-group { display: flex; flex-direction: column; gap: 9px; }
.filter-group__k {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-4);
}
.filter-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-2);
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 999px;
  padding: 6px 14px;
  cursor: pointer;
  transition: color 260ms var(--ease), border-color 260ms var(--ease),
              background 260ms var(--ease);
}
.chip-btn:hover { color: var(--ice); border-color: var(--ice-line); }
.chip-btn.is-on {
  color: #06181E;
  background: var(--ice);
  border-color: var(--ice);
}
.filter-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text-3);
}

.movies {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(214px, 1fr));
  gap: 20px;
  padding-top: 34px;
}

.movie {
  display: block;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  background: rgba(10, 12, 15, 0.72);
  transition: border-color 380ms var(--ease), transform 380ms var(--ease);
}
.movie:hover { border-color: var(--line-3); transform: translateY(-4px); }

.movie__poster {
  position: relative;
  aspect-ratio: 2 / 3;
  background: linear-gradient(155deg, #141922 0%, #0A0C10 62%, #0E1218 100%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.movie__poster::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(198, 214, 229, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(198, 214, 229, 0.06) 1px, transparent 1px);
  background-size: 26px 26px;
}
.movie__poster::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(100% 70% at 30% 8%, rgba(143, 199, 216, 0.18), transparent 66%);
}

.movie__initial {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 42px;
  font-weight: 300;
  letter-spacing: 0.14em;
  color: rgba(198, 214, 229, 0.4);
  text-indent: 0.14em;
}

.movie__score {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ice);
  background: rgba(7, 8, 10, 0.82);
  border: 1px solid var(--ice-line);
  border-radius: 4px;
  padding: 3px 8px;
}

.movie__body { padding: 16px 16px 18px; }
.movie__title { font-size: 16px; margin-bottom: 5px; }
.movie:hover .movie__title { color: var(--ice); }
.movie__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--text-3);
  margin-bottom: 12px;
}
.movie__quote {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-2);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.empty {
  padding: 60px 0;
  text-align: center;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
}

/* ---------------- Notes ---------------- */

.note-list { border-top: 1px solid var(--line); }
.note-item {
  display: block;
  padding: 28px 4px;
  border-bottom: 1px solid var(--line);
  transition: background 340ms var(--ease), padding-left 340ms var(--ease);
}
.note-item:hover {
  background: linear-gradient(90deg, var(--ice-soft), transparent 68%);
  padding-left: 14px;
}
.note-item__top {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-3);
}
.note-item__title { font-size: clamp(18px, 2.4vw, 22px); margin-bottom: 10px; }
.note-item:hover .note-item__title { color: var(--ice); }
.note-item__summary { color: var(--text-2); font-size: 14.5px; max-width: 66ch; }
.note-item__tags { margin-top: 14px; }

/* ---------------- Contact ---------------- */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: clamp(30px, 5vw, 64px);
  align-items: start;
}

.contact-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.contact-list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.contact-list__k {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-4);
}
.contact-list__v { font-size: 15px; color: var(--text); }
.contact-list__v:hover { color: var(--ice); }

.form-card {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: clamp(24px, 4vw, 34px);
  background: linear-gradient(180deg, rgba(143, 199, 216, 0.04), transparent 55%), rgba(10, 12, 15, 0.75);
}

.form-ok {
  display: none;
  text-align: left;
}
.form-ok.is-on { display: block; animation: rise 520ms var(--ease) both; }
.form-ok__mark {
  width: 34px;
  height: 34px;
  border: 1px solid var(--ice-line);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ice);
  margin-bottom: 18px;
}
.form-ok h3 { margin-bottom: 10px; }
.form-ok p { color: var(--text-2); font-size: 14px; }

/* ---------------- 404 ---------------- */

.nf {
  min-height: calc(100vh - var(--nav-h));
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 0;
}
.nf__code {
  font-family: var(--font-mono);
  font-size: clamp(70px, 16vw, 140px);
  font-weight: 300;
  letter-spacing: 0.12em;
  text-indent: 0.12em;
  color: var(--text-3);
  line-height: 1;
  margin: 0 0 24px;
}
.nf h1 { margin-bottom: 12px; }
.nf p { color: var(--text-2); margin-bottom: 30px; }

/* ---------------- 响应式 ---------------- */

@media (max-width: 900px) {
  .about-intro { grid-template-columns: 1fr; }
  .portrait { max-width: 320px; }
  .detail-body { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .hero { min-height: auto; padding: 64px 0 72px; }
  .hero__title { letter-spacing: 0.1em; text-indent: 0.1em; }
  .hero__label::after { display: none; }
  .entry { grid-template-columns: 1fr; gap: 14px; }
  .entry__side { text-align: left; }
  .feed__item { grid-template-columns: 1fr; gap: 6px; }
  .feed__arrow { display: none; }
  .filters { gap: 18px; }
  .filter-count { margin-left: 0; width: 100%; }
}