/* ========== 基础：夜蓝黑科技 ========== */
:root {
  --bg: #05070d;
  --ink: #e9edf6;
  --mask: #6f9bff;          /* 转场色块 */
  --acc: #4f7cff;
  --cy: #39d0d8;
  --mut: #5d6b85;
  --line: rgba(128, 158, 220, .16);
  --ease: cubic-bezier(.77, 0, .18, 1);
  --mono: "JetBrains Mono", "Noto Sans SC", monospace;
  --disp: "Space Grotesk", "Noto Sans SC", -apple-system, "PingFang SC", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scrollbar-gutter: stable; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--disp);
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.is-locked { overflow: hidden; }

body::before {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    linear-gradient(rgba(110, 140, 210, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(110, 140, 210, .05) 1px, transparent 1px);
  background-size: 72px 72px;
}
body::after {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(ellipse 70% 46% at 72% -8%, rgba(63, 110, 255, .16), transparent 60%);
}
main { position: relative; z-index: 1; }

::selection { background: var(--acc); color: #fff; }
a { color: inherit; text-decoration: none; }

/* 噪点 */
.noise {
  position: fixed; inset: 0; z-index: 400; pointer-events: none; opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ========== 加载页 ========== */
html.is-loading body { overflow: hidden; }

.loader {
  position: fixed; inset: 0; z-index: 600;
  display: flex; flex-direction: column; justify-content: space-between;
  gap: 2rem;
  padding: 1.5rem clamp(1.2rem, 4vw, 3rem) 1.7rem;
  background:
    radial-gradient(ellipse 70% 50% at 72% -10%, rgba(63, 110, 255, .16), transparent 62%),
    var(--bg);
  font-family: var(--mono);
  transition: opacity .5s ease;
}
.loader.is-done { opacity: 0; pointer-events: none; }

.loader-top {
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
  font-size: .9rem; letter-spacing: .18em; color: var(--mut);
}
.loader-brand {
  font-family: var(--disp); font-weight: 500; font-size: 1rem;
  letter-spacing: .22em; color: var(--ink);
}
.loader-brand sup { font-size: .5em; }
.loader-state b { font-weight: 400; color: var(--cy); font-variant-numeric: tabular-nums; }

.loader-mid { max-width: 62rem; margin: auto 0; }
.loader-idx {
  display: block; margin-bottom: 1.1rem;
  font-size: .9rem; letter-spacing: .24em; color: var(--cy);
}
.loader-info {
  min-height: 3.2em;
  max-width: 24em;
  margin: 0 0 2.2rem;
  font-family: var(--disp);
  font-size: clamp(1.28rem, 3vw, 2.4rem);
  font-weight: 400; line-height: 1.55; letter-spacing: .01em;
  color: #e9edf6;
  opacity: 0; transform: translateY(8px);
  transition: opacity .45s var(--ease), transform .45s var(--ease);
}
.loader-info.is-in { opacity: 1; transform: none; }

.loader-bar {
  position: relative; height: 2px;
  background: rgba(128, 158, 220, .16);
  overflow: hidden;
}
.loader-bar i {
  position: absolute; top: 0; bottom: 0; left: 0; width: 0;
  background: linear-gradient(90deg, var(--acc), var(--cy));
  transition: width .35s ease;
}

.loader-foot {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: .4rem 1rem;
  font-size: .9rem; letter-spacing: .18em; color: var(--mut);
}

@media (prefers-reduced-motion: reduce) {
  .loader-info { transition: none; transform: none; }
}

/* ========== 导航 ========== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 300;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.4rem 3rem;
  color: #fff;
  font-family: var(--mono); font-size: .9rem; letter-spacing: .12em;
}
.nav-logo { font-family: var(--disp); font-weight: 500; letter-spacing: .22em; font-size: .98rem; }
.nav-logo sup { font-size: .5em; }
.nav-meta {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  opacity: .5;
  white-space: nowrap;
  pointer-events: none;
}
.nav-links { display: flex; gap: 2.2rem; }
.nav-links a { position: relative; padding: .2rem 0; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: right;
  transition: transform .45s var(--ease);
}
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }
/* 离开首屏后给导航加实底，避免和滚动上来的卡片文字叠在一起。
   这里不用 backdrop-filter：全宽模糊层会让每次滚动都重新合成。 */
.nav.is-scrolled {
  background: rgba(5, 7, 13, .97);
  border-bottom: 1px solid var(--line);
}

/* ========== WIPE 揭示：先空 → 色块覆盖 → 文字出现 → 色块离开 ========== */
.rv { position: relative; display: inline-block; overflow: hidden; vertical-align: bottom; }
.rv .rv-text { display: inline-block; opacity: 0; }
.rv.rv-line { display: block; max-width: 100%; }
.rv.rv-line .rv-text { display: block; }
.rv .rv-block {
  position: absolute; inset: 0; background: var(--mask); z-index: 3;
  transform: translateX(-101%); pointer-events: none;
}
.js .mask-pending > :not(.mask) { opacity: 0; }
.rvb { position: relative; overflow: hidden; }
.mask {
  position: absolute; inset: 0; z-index: 6;
  background: var(--mask);
  transform: translateX(-101%); pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .rv .rv-text { opacity: 1; }
  .rv-block, .mask { display: none; }
  .marquee-track { animation: none !important; }
}

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 6.5rem 3rem 2.5rem;
  overflow: hidden;
}
.hero-layer { position: absolute; pointer-events: none; opacity: 0; }
.l-grid {
  inset: -8%;
  background:
    linear-gradient(rgba(110, 140, 210, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(110, 140, 210, .07) 1px, transparent 1px);
  background-size: 56px 56px;
  transform: perspective(700px) rotateX(24deg) translateY(6%);
  mask-image: linear-gradient(to bottom, transparent, #000 26%, #000 78%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 26%, #000 78%, transparent);
}
.l-glow {
  width: 64vmax; height: 64vmax; right: -18vmax; top: -20vmax; border-radius: 50%;
  background: radial-gradient(circle, rgba(63, 110, 255, .17), transparent 62%);
}
.l-mark {
  left: 50%; bottom: -1.2vw; transform: translateX(-50%);
  font-weight: 700; font-size: 17vw; line-height: 1; letter-spacing: .02em;
  color: rgba(140, 170, 240, .075);
  white-space: nowrap;
}
.hero-top {
  position: relative; z-index: 2;
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: .9rem; letter-spacing: .16em; color: var(--mut);
  border-bottom: 1px solid var(--line); padding-bottom: 1rem;
}
.status { display: inline-flex; align-items: center; gap: .6em; color: var(--cy); }
.status i {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--cy); box-shadow: 0 0 8px var(--cy);
  animation: blink 2s infinite;
}
@keyframes blink { 50% { opacity: .2; } }

.hero-inner { position: relative; z-index: 2; margin: 9vh 0; }
.hero-title {
  font-size: clamp(3.4rem, min(8vw, 11vh), 7.5rem);
  line-height: 1.06; font-weight: 500; letter-spacing: -.01em;
  margin-bottom: 1.6rem;
}
.hero-role {
  font-size: clamp(1rem, 1.7vw, 1.5rem);
  font-weight: 400; letter-spacing: .06em; line-height: 1.7;
  color: #9aa7c4;
}
.acc-text {
  background: linear-gradient(92deg, var(--acc), var(--cy));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-desc { max-width: 34em; font-size: 1.0625rem; line-height: 1.85; color: #9aa7c4; }

.hero-bottom {
  position: relative; z-index: 2;
  display: flex; justify-content: space-between; align-items: flex-end; gap: 3rem;
}
.scroll-hint {
  display: flex; align-items: center; gap: 1rem;
  font-family: var(--mono); font-size: .9rem; letter-spacing: .3em; color: var(--mut);
}
.scroll-hint .line {
  width: 1px; height: 56px; background: var(--ink);
  animation: drop 2.2s var(--ease) infinite;
}
@keyframes drop {
  0% { transform: scaleY(0); transform-origin: top; }
  45% { transform: scaleY(1); transform-origin: top; }
  55% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}
.hero-coord { font-family: var(--mono); font-size: .9rem; letter-spacing: .2em; color: var(--mut); }

/* ========== MARQUEE ========== */
.marquee { overflow: hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.marquee-track { display: flex; white-space: nowrap; width: max-content; animation: mq 28s linear infinite; }
.marquee-track span {
  padding: 1.05rem 0;
  font-family: var(--mono); font-size: .95rem; letter-spacing: .26em; color: var(--mut);
}
@keyframes mq { to { transform: translateX(-50%); } }
/* 滚出视口或打开弹层时暂停，避免后台空转 */
.marquee-track.is-paused,
body.is-locked .marquee-track { animation-play-state: paused; }
.hero.is-paused .status i,
.hero.is-paused .scroll-hint .line,
body.is-locked .status i,
body.is-locked .scroll-hint .line { animation-play-state: paused; }

/* ========== 章节标签 ========== */
.sec-label {
  display: flex; align-items: baseline; gap: 1rem;
  font-family: var(--mono); font-size: .9375rem; letter-spacing: .24em; color: var(--mut);
  margin-bottom: 3rem;
}
.sec-label em {
  font-style: normal; color: var(--cy);
  border: 1px solid rgba(57, 208, 216, .45); border-radius: 3px;
  padding: .15em .65em; font-size: .9rem;
}
.sec-hint { opacity: .6; }

/* ========== WORKS：等高网格索引 ========== */
.works { padding: 8rem 3rem 7rem; }
.field {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  align-items: stretch;
}

.work-card {
  position: relative;
  display: flex; flex-direction: column;
  height: 100%;
  border: 1px solid var(--line);
  background: linear-gradient(170deg, rgba(22, 32, 60, .5), rgba(8, 12, 24, .9));
  cursor: pointer;
  transition: border-color .45s, box-shadow .45s;
  outline: none;
  -webkit-tap-highlight-color: transparent;
}
.work-card:focus-visible { outline: 1px solid var(--cy); outline-offset: 4px; }
.work-card:hover {
  border-color: var(--h1);
  box-shadow: 0 24px 70px -28px rgba(79, 124, 255, .5);
  border-color: color-mix(in srgb, var(--h1) 65%, transparent);
  box-shadow: 0 24px 70px -28px color-mix(in srgb, var(--h1) 55%, transparent);
}
.wc-art {
  position: relative; flex: none;
  aspect-ratio: 16 / 10; overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 50% 42%, rgba(79, 124, 255, .22), transparent 66%),
    linear-gradient(160deg, rgba(79, 124, 255, .1), rgba(6, 9, 18, .6));
  background:
    radial-gradient(circle at 50% 42%, color-mix(in srgb, var(--h1) 22%, transparent), transparent 66%),
    linear-gradient(160deg, color-mix(in srgb, var(--h1) 10%, transparent), rgba(6, 9, 18, .6));
}
.wc-art svg {
  position: absolute; inset: 13%;
  width: 74%; height: 74%;
  transition: transform .6s var(--ease);
}
.work-card:hover .wc-art svg { transform: scale(1.06) translateY(-2%); }
.wc-open {
  position: absolute; top: 12px; right: 12px; z-index: 3;
  font-family: var(--mono); font-size: .9rem; letter-spacing: .16em;
  color: #0a0e18; background: var(--mask);
  padding: .45em .9em; opacity: 0; transform: translateY(-6px);
  transition: opacity .35s, transform .35s var(--ease);
}
.work-card:hover .wc-open { opacity: 1; transform: translateY(0); }

.wc-info {
  display: flex; flex-direction: column; flex: 1;
  padding: 1.35rem 1.4rem 1.45rem;
}
.wc-row1 { display: flex; align-items: baseline; gap: .85rem; margin-bottom: .45rem; min-width: 0; }
.wc-idx { flex: none; font-family: var(--mono); font-size: .9rem; color: var(--cy); letter-spacing: .18em; }
.wc-title {
  min-width: 0; font-size: clamp(1.08rem, 1.25vw, 1.3rem); font-weight: 500;
  line-height: 1.35; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.wc-en {
  font-family: var(--mono); font-size: .9rem; letter-spacing: .18em; color: var(--mut);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.wc-desc {
  font-size: 1rem; line-height: 1.75; color: #8e9cba;
  margin: .9rem 0 1.1rem;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; min-height: 3.5em;
}
.wc-meta {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: .25rem 1rem;
  margin-top: auto; padding-top: .85rem;
  border-top: 1px dashed var(--line);
  font-family: var(--mono); font-size: .9rem; letter-spacing: .14em; color: var(--mut);
}

/* ========== PROFILE ========== */
.profile { padding: 10rem 3rem; border-top: 1px solid var(--line); }
.profile-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 5rem;
  align-items: start;
}
.profile .strip-line { font-size: clamp(2.2rem, 5vw, 4.2rem); line-height: 1.25; }
.profile-text {
  max-width: 34em; margin-top: 1.5rem;
  font-size: 1.0625rem; line-height: 2; color: #9aa7c4;
}
.profile-text + .profile-text { margin-top: .7rem; }

.profile-facts { border-top: 1px solid var(--line); }
.fact {
  display: grid;
  grid-template-columns: 8.5rem minmax(0, 1fr);
  gap: .25rem 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px dashed var(--line);
}
.fact-k {
  grid-row: 1 / span 2; align-self: start; padding-top: .3em;
  font-family: var(--mono); font-size: 1.4375rem; letter-spacing: .18em; color: var(--cy);
}
.fact-v { font-size: 1.6875rem; line-height: 1.5; }
.fact-v b { font-weight: 500; font-size: 2.375rem; font-variant-numeric: tabular-nums; }
.fact-n {
  font-family: var(--mono); font-size: 1.4375rem; letter-spacing: .06em;
  line-height: 1.6; color: var(--mut);
}

/* ========== CONTACT ========== */
.contact { padding: 8rem 3rem 2.5rem; border-top: 1px solid var(--line); }
.contact-title {
  font-size: clamp(1.5rem, 2.8vw, 2.35rem);
  line-height: 1.55; font-weight: 400; letter-spacing: .01em;
  color: #cfd7ea; margin-bottom: 2.6rem;
}
.contact-grid {
  display: grid;
  grid-template-columns: max-content min(400px, 32vw);
  gap: 0 36px;
  align-items: stretch;
  justify-content: start;
  margin-bottom: 1rem;
}
.contact-main { min-width: 0; }
.contact-links {
  display: flex; flex-direction: column; align-items: flex-start;
  gap: 1.6rem;
}
.contact-mail {
  display: inline-flex; align-items: center; gap: 1.44rem;
  background: none; border: 0; border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--mono); font-size: clamp(1.44rem, 2.88vw, 2.16rem);
  letter-spacing: .08em; padding: 0 0 .88rem;
  cursor: pointer; text-align: left;
  transition: border-color .3s, color .3s;
}
.contact-mail:hover,
.contact-mail:focus-visible { border-color: var(--cy); color: var(--cy); outline: none; }
.copy-hint {
  font-size: .928rem; letter-spacing: .12em; color: var(--mut);
  opacity: .55; white-space: nowrap;
  transition: color .3s, opacity .3s;
}
.contact-mail:hover .copy-hint { opacity: .9; }
.contact-mail.is-copied { border-color: var(--cy); color: var(--cy); }
.contact-mail.is-copied .copy-hint { color: var(--cy); opacity: 1; }

/* 简历 / 附件入口 */
.contact-docs { margin-top: 3.2rem; display: flex; flex-wrap: wrap; gap: 1.28rem; }
.doc-btn {
  display: inline-flex; align-items: center; gap: 1.6rem;
  padding: 1.36rem 1.68rem 1.36rem 1.44rem;
  background: linear-gradient(120deg, rgba(79, 124, 255, .16), rgba(57, 208, 216, .05));
  border: 1px solid var(--line);
  color: var(--ink); text-align: left; cursor: pointer;
  font-family: var(--mono);
  transition: border-color .3s, background-color .3s, transform .3s var(--ease);
}
.doc-btn:hover, .doc-btn:focus-visible {
  border-color: var(--cy);
  outline: none;
}
.doc-btn:hover { transform: translateY(-2px); }
.doc-badge {
  flex: none; display: grid; place-items: center;
  width: 4.16rem; height: 4.16rem;
  border: 1px solid rgba(111, 155, 255, .45);
  color: var(--cy);
  font-size: .96rem; letter-spacing: .1em;
  transition: background-color .3s, color .3s, border-color .3s;
}
.doc-btn:hover .doc-badge { background: var(--mask); border-color: var(--mask); color: #0a0e18; }
.doc-text { display: flex; flex-direction: column; gap: .512rem; min-width: 0; }
.doc-text b { font-weight: 500; font-size: 1.472rem; letter-spacing: .06em; }
.doc-text i {
  font-style: normal; font-size: .992rem; letter-spacing: .14em; color: var(--mut);
}
.doc-arrow {
  margin-left: .64rem; color: var(--mut); font-size: 1.52rem;
  transition: color .3s, transform .3s var(--ease);
}
.doc-btn:hover .doc-arrow { color: var(--cy); transform: translate(2px, -2px); }

/* 微信二维码 */
.wechat {
  position: relative;
  width: 100%;
  align-self: stretch;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(10, 16, 32, .7), rgba(5, 7, 13, .35));
}
.wechat-inner {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  justify-items: center;
  row-gap: .8rem;
  padding: .96rem;
}
.wechat-head {
  display: flex; justify-content: space-between; gap: .96rem;
  width: 100%;
  font-family: var(--mono); font-size: .96rem; letter-spacing: .18em; color: var(--mut);
}
.wechat-head span:last-child { color: var(--cy); }
.wechat-qr {
  display: block;
  align-self: center; justify-self: center;
  width: auto; height: auto;
  max-width: min(304px, 100%);
  max-height: 100%;
  aspect-ratio: 1 / 1; object-fit: contain;
  padding: .64rem; background: #fff;
  border: 1px solid rgba(128, 158, 220, .25);
}
.wechat-note {
  text-align: center;
  font-family: var(--mono); font-size: .96rem; letter-spacing: .12em; color: var(--mut);
}
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.contact-foot {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  margin-top: 6rem; padding-top: 1.6rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: .9rem; letter-spacing: .18em; color: var(--mut);
}
.to-top:hover { color: var(--ink); }

/* ========== 展开详情：单页滚动，内容优先 ========== */
.exp {
  position: fixed; inset: 0; z-index: 450;
  overscroll-behavior: contain;
}
.exp-dim {
  position: absolute; inset: 0;
  background: rgba(3, 5, 10, .93);
  opacity: 0; pointer-events: none;
}
.exp-scroll {
  position: absolute; inset: 0;
  overflow-y: auto; overflow-x: hidden;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding: 0 clamp(.75rem, 3vw, 2.4rem) 3rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(111, 155, 255, .5) transparent;
}
.exp-scroll::-webkit-scrollbar { width: 8px; }
.exp-scroll::-webkit-scrollbar-track { background: transparent; }
.exp-scroll::-webkit-scrollbar-thumb { background: rgba(111, 155, 255, .42); border-radius: 8px; }

.exp-panel {
  position: relative;
  max-width: 1120px;
  margin: 0 auto;
  background: linear-gradient(180deg, rgba(10, 16, 32, .98), rgba(5, 7, 13, .99));
  border: 1px solid rgba(128, 158, 220, .22);
  box-shadow: 0 40px 120px -40px rgba(0, 0, 0, .9);
}

.exp-topbar {
  position: sticky; top: 0; z-index: 8;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .7rem clamp(1rem, 2.4vw, 1.5rem);
  background: rgba(6, 10, 20, .98);
  border-bottom: 1px solid var(--line);
}
.exp-topbar-tag {
  min-width: 0;
  font-family: var(--mono); font-size: .9rem; letter-spacing: .18em; color: var(--mut);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.exp-close {
  flex: none;
  font-family: var(--mono); font-size: .9375rem; letter-spacing: .12em;
  color: var(--ink); background: transparent;
  border: 1px solid var(--line); padding: .55em .9em; cursor: pointer;
  transition: background-color .3s, border-color .3s, color .3s;
}
.exp-close:hover { background: var(--mask); border-color: var(--mask); color: #0a0e18; }
.exp-close:focus-visible { outline: 1px solid var(--cy); outline-offset: 3px; }
.exp-kbd { opacity: .45; margin-left: .35em; font-size: 1em; }

.exp-media {
  position: relative;
  height: clamp(110px, 18vh, 190px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 70% 50%, rgba(79, 124, 255, .24), transparent 64%),
    linear-gradient(120deg, rgba(79, 124, 255, .12), rgba(6, 9, 18, .92));
  background:
    radial-gradient(circle at 70% 50%, color-mix(in srgb, var(--h1) 24%, transparent), transparent 64%),
    linear-gradient(120deg, color-mix(in srgb, var(--h1) 12%, transparent), rgba(6, 9, 18, .92));
}
.em-art { position: absolute; inset: 0; pointer-events: none; }
.em-art svg {
  position: absolute; right: clamp(1rem, 4vw, 3rem); top: 50%;
  transform: translateY(-50%);
  width: clamp(150px, 22vw, 280px); height: auto; max-height: 88%;
}
.em-en {
  position: absolute; left: clamp(1.2rem, 4vw, 2.8rem); bottom: clamp(.7rem, 2vh, 1.3rem);
  max-width: 62%;
  font-weight: 700; font-size: clamp(1.4rem, 3.4vw, 3rem); letter-spacing: .04em;
  color: transparent; -webkit-text-stroke: 1px rgba(140, 170, 240, .45);
  -webkit-text-stroke: 1px color-mix(in srgb, var(--h1) 70%, transparent);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  pointer-events: none;
}

.exp-body {
  padding: clamp(1.5rem, 3.2vw, 2.8rem) clamp(1.3rem, 4vw, 3.4rem) clamp(2.4rem, 5vw, 4.2rem);
}
.exp-head {
  display: flex; align-items: baseline; flex-wrap: wrap;
  gap: .6rem 1.4rem; margin-bottom: 1.5rem;
}
.exp-cat { font-family: var(--mono); font-size: .9rem; letter-spacing: .2em; color: var(--cy); }
.exp-title { font-size: clamp(1.7rem, 3.2vw, 2.9rem); font-weight: 500; line-height: 1.2; }
.exp-desc {
  max-width: 54em;
  font-size: 1.0625rem; line-height: 1.95; color: #aab6d2;
  margin-bottom: 2.4rem;
}
.exp-cols {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
  margin-bottom: 2.2rem;
}
.exp-sub {
  font-family: var(--mono); font-size: .9rem; letter-spacing: .22em;
  color: var(--mut); margin-bottom: 1rem;
}
.exp-feats { list-style: none; }
.exp-feats li {
  padding: 1rem 0 1rem 1.5rem;
  border-bottom: 1px dashed var(--line);
  font-size: 1.0625rem; line-height: 1.75; color: #c6cfe6;
}
/* li 必须保持块级，否则多个 .rv 会并排造成挤压/重叠 */
.exp-feats li.rv { display: block; width: 100%; }
.feat-dot {
  display: inline-block; width: 8px; height: 8px;
  margin-left: -1.5rem; margin-right: .7rem;
  background: var(--mask); vertical-align: middle;
}
.exp-stat {
  padding: 1.15rem 0;
  border-bottom: 1px dashed var(--line);
  opacity: 0;
}
.exp-stat-num {
  display: flex; align-items: baseline;
  font-size: 2.1rem; font-weight: 300;
  font-variant-numeric: tabular-nums;
}
.exp-stat-num i { font-style: normal; font-size: .5em; color: var(--cy); margin-left: .2em; }
.exp-stat-label {
  font-family: var(--mono); font-size: .9rem; letter-spacing: .16em;
  line-height: 1.7; color: var(--mut); margin-top: .4rem;
}
.exp-note {
  font-family: var(--mono); font-size: .9rem; letter-spacing: .1em;
  line-height: 1.8; color: var(--mut);
  margin: 0 0 2.4rem;
}
.exp-footer {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 1rem; padding-top: .2rem;
}
.exp-nav {
  display: flex; flex-wrap: wrap; align-items: center; gap: .8rem;
}
.exp-prev, .exp-next, .exp-back {
  display: inline-flex; align-items: center; justify-content: center; gap: .8rem;
  font-family: var(--mono); font-size: .9375rem; letter-spacing: .16em;
  color: var(--ink); background: none;
  border: 1px solid var(--line); padding: .95em 1.4em; cursor: pointer;
  transition: background-color .35s, border-color .35s, color .35s;
  opacity: 0;
}
.exp-prev:hover, .exp-next:hover { background: var(--mask); border-color: var(--mask); color: #0a0e18; }
.exp-prev:disabled,
.exp-prev:disabled:hover,
.exp-next:disabled,
.exp-next:disabled:hover {
  background: none; border-color: var(--line);
  color: var(--mut); cursor: default;
}
.exp-back { color: var(--mut); }
.exp-back:hover { border-color: var(--cy); color: var(--cy); }
.ei { opacity: 0; }

/* ========== 简历 / 附件弹层 ========== */
.files {
  position: fixed; inset: 0; z-index: 460;
  overscroll-behavior: contain;
}
.files-dim {
  position: absolute; inset: 0;
  background: rgba(3, 5, 10, .93);
  opacity: 0; pointer-events: none;
}
.files-scroll {
  position: absolute; inset: 0;
  overflow-y: auto; overflow-x: hidden;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding: clamp(1rem, 6vh, 4rem) clamp(.75rem, 3vw, 2.4rem);
  scrollbar-width: thin;
  scrollbar-color: rgba(111, 155, 255, .5) transparent;
}
.files-scroll::-webkit-scrollbar { width: 8px; }
.files-scroll::-webkit-scrollbar-track { background: transparent; }
.files-scroll::-webkit-scrollbar-thumb { background: rgba(111, 155, 255, .42); border-radius: 8px; }

.files-panel {
  position: relative;
  width: min(840px, 100%);
  margin: 0 auto;
  background: linear-gradient(180deg, rgba(10, 16, 32, .98), rgba(5, 7, 13, .99));
  border: 1px solid rgba(128, 158, 220, .22);
  box-shadow: 0 40px 120px -40px rgba(0, 0, 0, .9);
}
.files-topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .7rem clamp(1rem, 2.4vw, 1.5rem);
  background: rgba(6, 10, 20, .94);
  border-bottom: 1px solid var(--line);
}
.files-tag {
  /* 与 .exp-close 同排，标签不换行 */
  min-width: 0;
  font-family: var(--mono); font-size: .9rem; letter-spacing: .18em; color: var(--mut);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.files-head {
  padding: clamp(1.4rem, 3vw, 2rem) clamp(1rem, 3vw, 2rem) 1.1rem;
}
.files-title {
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  line-height: 1.4; font-weight: 400; letter-spacing: .01em; color: #cfd7ea;
}
.files-sub {
  margin-top: .7rem;
  font-size: 1rem; line-height: 1.7; color: var(--mut);
}
.files-body { padding: 0 clamp(1rem, 3vw, 2rem); }
.files-loading {
  padding: 2rem 0 2.4rem;
  font-family: var(--mono); font-size: .9rem; letter-spacing: .14em; color: var(--mut);
}
.files-list { list-style: none; border-top: 1px solid var(--line); }

.file-item {
  display: grid;
  grid-template-columns: 2.75rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}
.file-sfx {
  display: grid; place-items: center;
  width: 2.75rem; height: 2.75rem;
  border: 1px solid rgba(111, 155, 255, .4);
  font-family: var(--mono); font-size: .9rem; letter-spacing: .06em;
  color: #cfe0ff;
}
.file-sfx-pdf { color: #ff9d9d; border-color: rgba(255, 140, 140, .38); }
.file-sfx-doc { color: #a8b6ff; border-color: rgba(140, 160, 255, .34); }
.file-sfx-image { color: #a6e88a; border-color: rgba(150, 220, 120, .32); }
.file-sfx-audio { color: #8fe6ff; border-color: rgba(120, 210, 255, .32); }
.file-sfx-video { color: #d8a8ff; border-color: rgba(190, 140, 255, .32); }
.file-sfx-text { color: #ffd08a; border-color: rgba(255, 200, 120, .32); }
.file-info { display: flex; flex-direction: column; gap: .3rem; min-width: 0; }
.file-name {
  font-size: 1.0625rem; line-height: 1.5; letter-spacing: .01em;
  word-break: break-word;
}
.file-meta {
  font-family: var(--mono); font-size: .9rem; line-height: 1.6;
  letter-spacing: .05em; color: var(--mut);
  word-break: break-all;
}
.file-acts { display: flex; align-items: center; gap: .5rem; }
.file-act {
  display: inline-block;
  font-family: var(--mono); font-size: .9rem; letter-spacing: .1em;
  color: var(--ink); background: transparent;
  border: 1px solid var(--line);
  padding: .55em .85em; cursor: pointer; white-space: nowrap;
  transition: border-color .3s, color .3s, background-color .3s;
}
a.file-act:hover, button.file-act:hover,
a.file-act:focus-visible, button.file-act:focus-visible {
  border-color: var(--cy); color: var(--cy); outline: none;
}
.file-dl { background: var(--mask); border-color: var(--mask); color: #0a0e18; }
.file-dl:hover, .file-dl:focus-visible {
  background: var(--cy); border-color: var(--cy); color: #041210;
}
.file-act.is-off {
  border-color: transparent; color: var(--mut);
  padding-left: 0; padding-right: 0; cursor: default;
}
.file-item.is-previewing .file-act[data-preview] { border-color: var(--cy); color: var(--cy); }

/* 行内预览 */
.file-preview { padding: .2rem 0 1.4rem; border-bottom: 1px solid var(--line); }
.preview-bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .8rem 0 .75rem;
}
.preview-name {
  min-width: 0;
  font-family: var(--mono); font-size: .9rem; letter-spacing: .1em; color: var(--cy);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.preview-tools { display: flex; align-items: center; gap: .45rem; flex: none; }
.preview-tool {
  font-family: var(--mono); font-size: .9rem; letter-spacing: .08em;
  color: var(--mut); background: none; border: 1px solid var(--line);
  padding: .5em .75em; cursor: pointer; white-space: nowrap;
  transition: border-color .3s, color .3s;
}
.preview-tool:hover, .preview-tool:focus-visible {
  border-color: var(--cy); color: var(--cy); outline: none;
}
.preview-stage {
  border: 1px solid var(--line);
  background: rgba(3, 5, 10, .55);
  overflow: hidden;
}
/* 图片 / 音视频：浏览器原生预览 */
.preview-img {
  display: block; max-width: 100%; max-height: min(62vh, 560px);
  margin: 0 auto; background: #fff;
}
.preview-media { padding: 1rem; }
.preview-audio { display: block; width: 100%; }
.preview-video {
  display: block; width: 100%;
  max-height: min(60vh, 480px);
  background: #000;
}
/* PDF / Office：只显示预览图，不再内嵌原件 */
.preview-pages {
  display: flex; flex-direction: column; gap: .9rem;
  padding: .8rem;
}
.preview-page { margin: 0; background: #fff; box-shadow: 0 12px 34px -22px #000; }
.preview-page img { display: block; width: 100%; height: auto; }
.preview-page figcaption {
  padding: .5rem 0 .55rem;
  text-align: center;
  font-family: var(--mono); font-size: .9rem; letter-spacing: .12em;
  color: var(--mut); background: #0a0e18;
}
.preview-text {
  margin: 0; padding: 1rem;
  max-height: 50vh; overflow: auto;
  font-family: var(--mono); font-size: .9375rem; line-height: 1.75;
  white-space: pre-wrap; word-break: break-word; color: #c3cee6;
}
.preview-note {
  padding: .55rem .8rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: .9rem; line-height: 1.7; color: var(--mut);
}
.preview-note a { color: var(--cy); border-bottom: 1px solid currentColor; }

.files-foot {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: .6rem;
  padding: 1rem clamp(1rem, 3vw, 2rem) 1.35rem;
  font-family: var(--mono); font-size: .9rem; letter-spacing: .12em; color: var(--mut);
}
.files-empty {
  display: flex; flex-direction: column; gap: .55rem;
  padding: 2rem 0 2.6rem;
  color: var(--mut); font-size: 1rem; line-height: 1.8;
}
.files-empty b { color: var(--ink); font-weight: 400; font-size: 1rem; }
.files-empty code {
  font-family: var(--mono); font-size: 1em; color: var(--cy);
  word-break: break-all;
}

/* ========== 响应式 ========== */
@media (max-width: 1100px) {
  .field { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 1000px) {
  .exp-cols { grid-template-columns: 1fr; gap: 2.2rem; }
  .profile-grid { grid-template-columns: 1fr; gap: 3rem; }
}
@media (max-width: 860px) {
  .nav { padding: 1.2rem 1.4rem; }
  .nav-meta { display: none; }
  .hero, .works, .profile, .contact { padding-left: 1.4rem; padding-right: 1.4rem; }
  .works { padding-top: 6rem; padding-bottom: 5rem; }
  .profile { padding-top: 7rem; padding-bottom: 6rem; }
  .contact { padding-top: 6rem; }
  .hero-bottom { flex-direction: column; align-items: flex-start; }
  .hero-coord { display: none; }
  .sec-label { flex-wrap: wrap; gap: .5rem 1rem; margin-bottom: 2.4rem; }
  .sec-hint { flex-basis: 100%; opacity: .55; }
  .contact-grid { grid-template-columns: 1fr; gap: 2.2rem; }
  .contact-links { gap: 1.44rem; }
  .wechat { justify-self: start; max-width: 280px; }
  .wechat-inner { position: static; }

  .exp-scroll { padding: 0 .75rem 2rem; }
  .exp-topbar { padding: .6rem .9rem; }
  .exp-close { font-size: .9rem; padding: .5em .7em; }
  .exp-media { height: clamp(110px, 16vh, 150px); }
  .em-art svg { width: clamp(110px, 30vw, 180px); }
  .em-en { max-width: 60%; font-size: clamp(1.2rem, 5vw, 1.8rem); }
  .exp-body { padding: 1.5rem 1.2rem 2.6rem; }
  .exp-head { gap: .4rem 1rem; }
  .exp-title { font-size: clamp(1.5rem, 6vw, 2rem); }
  .exp-footer { flex-direction: column; align-items: stretch; }
  .exp-nav { flex-direction: column; align-items: stretch; }
  .exp-prev, .exp-next, .exp-back { width: 100%; }
}
@media (max-width: 720px) {
  .field { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .hero-top span:nth-child(2) { display: none; }
  .hero-title { font-size: clamp(3rem, 13vw, 4rem); }
  .profile-facts .fact { grid-template-columns: 1fr; gap: .3rem; }
  .profile-facts .fact-k { grid-row: auto; padding-top: 0; }
  .fact-v { font-size: 1.625rem; }
  .wc-info { padding: 1.15rem 1.2rem 1.3rem; }

  .contact-docs { width: 100%; }
  .doc-btn { width: 100%; }
  .contact-mail { font-size: clamp(1.05rem, 5.9vw, 1.44rem); padding-bottom: .72rem; }
  .copy-hint { display: none; }
  .file-item {
    grid-template-columns: 2.5rem minmax(0, 1fr);
    grid-template-areas: "badge info" "acts acts";
    gap: .35rem 1rem;
  }
  .file-sfx { grid-area: badge; width: 2.5rem; height: 2.5rem; }
  .file-info { grid-area: info; }
  .file-acts { grid-area: acts; justify-content: flex-start; margin-top: .55rem; }
  .preview-pages { padding: .5rem; gap: .6rem; }
}
@media (max-width: 380px) {
  .hero { padding-top: 5rem; padding-bottom: 1.6rem; }
  .hero-inner { margin: 5vh 0; }
  .hero-title { font-size: clamp(2.7rem, 12vw, 3.4rem); margin-bottom: 1.2rem; }
  .hero-desc { font-size: 1rem; line-height: 1.75; }
  .hero-top { font-size: .875rem; letter-spacing: .06em; }
  .hero-top span { white-space: nowrap; }
}
@media (max-height: 500px) and (min-width: 521px) {
  .hero { padding-top: 4rem; padding-bottom: 1rem; }
  .hero-inner { margin: 3vh 0; }
  .hero-title { font-size: clamp(2.6rem, min(7vw, 12vh), 3.8rem); margin-bottom: .8rem; }
  .hero-desc { display: none; }
  .hero-top { font-size: .875rem; }
  .scroll-hint .line { height: 28px; }
}