/* ============================================================
   钟坤泰 · 作品集 — 全局样式
   暗色 / 高级 / 克制 / 科技感
   ============================================================ */

:root {
  --bg: #08090b;
  --bg-2: #0c0e11;
  --panel: #111318;
  --panel-2: #15181d;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #edece7;
  --text-2: #b6bac1;
  --muted: #81858e;
  --accent: #c9f24c;
  --accent-dim: rgba(201, 242, 76, 0.14);
  --accent-glow: rgba(201, 242, 76, 0.28);
  --radius: 20px;
  --radius-s: 12px;
  --container: 1700px;
  --gutter: clamp(24px, 4.2vw, 72px);
  --font-display: 'Space Grotesk', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Consolas, monospace;
  --nav-h: 76px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  overflow-x: hidden;
  font-size: 16px;
}

::selection { background: var(--accent); color: #0a0b0d; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #23262c; border-radius: 8px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: #33373f; }

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- 工具类 ---------- */
.mono { font-family: var(--font-mono); }
.accent { color: var(--accent); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
}
.eyebrow::before {
  content: '';
  width: 34px;
  height: 1px;
  background: var(--accent);
}
.eyebrow .idx { color: var(--accent); }

/* ---------- 滚动出现动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay='1'] { transition-delay: 0.08s; }
.reveal[data-delay='2'] { transition-delay: 0.16s; }
.reveal[data-delay='3'] { transition-delay: 0.24s; }
.reveal[data-delay='4'] { transition-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- 区块标题 ---------- */
.section {
  position: relative;
  padding-block: clamp(110px, 13vh, 190px);
  border-top: 1px solid var(--line);
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: clamp(56px, 7vh, 96px);
}
.section-head .title {
  margin-top: 18px;
  font-size: clamp(38px, 4.6vw, 72px);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.12;
}
.section-head .desc {
  max-width: 420px;
  color: var(--muted);
  font-size: 15px;
  padding-bottom: 10px;
}
.section-head .desc .mono { display: block; margin-bottom: 8px; color: var(--text-2); font-size: 12px; letter-spacing: 0.2em; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 15px 30px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 500;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--text);
  transition: all 0.35s var(--ease);
  white-space: nowrap;
}
.btn .arr { transition: transform 0.35s var(--ease); }
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn:hover .arr { transform: translate(3px, -3px); }
.btn-solid {
  background: var(--accent);
  border-color: var(--accent);
  color: #0a0b0d;
  font-weight: 600;
}
.btn-solid:hover { background: transparent; color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset, 0 0 34px var(--accent-glow); }

/* ============================================================
   导航栏
   ============================================================ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), backdrop-filter 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(8, 9, 11, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom-color: var(--line);
}
.nav-inner {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.06em;
}
.nav-logo .mark {
  width: 34px; height: 34px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 13px;
  color: var(--accent);
  background: linear-gradient(180deg, rgba(255,255,255,0.04), transparent);
}
.nav-logo small {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.2em;
  display: block;
  line-height: 1;
  margin-top: 3px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.4vw, 44px);
}
.nav-links a {
  position: relative;
  font-size: 14.5px;
  color: var(--text-2);
  transition: color 0.3s;
  letter-spacing: 0.04em;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.35s var(--ease);
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--accent); }
.nav-cta { display: flex; align-items: center; gap: 16px; }
.nav-time {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.12em;
  display: none;
}
@media (min-width: 1280px) { .nav-time { display: block; } }

/* 滚动进度条 */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 100%;
  transform-origin: left;
  background: linear-gradient(90deg, var(--accent), #9be15d);
  z-index: 200;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.028) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 42%, black 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 42%, black 30%, transparent 78%);
}
.hero-glow {
  position: absolute;
  width: 62vw; height: 62vw;
  left: 50%; top: 44%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(201,242,76,0.075) 0%, rgba(201,242,76,0.02) 36%, transparent 66%);
  pointer-events: none;
}
.hero-noise {
  position: absolute; inset: 0;
  opacity: 0.5;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
}
.hero-side {
  position: absolute;
  left: clamp(18px, 2.4vw, 44px);
  top: 50%;
  transform: translateY(-50%) rotate(180deg);
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.42em;
  color: rgba(255,255,255,0.22);
  text-transform: uppercase;
}
.hero-side.right {
  left: auto;
  right: clamp(18px, 2.4vw, 44px);
  transform: translateY(-50%);
}
.hero-meta {
  position: absolute;
  top: calc(var(--nav-h) + 28px);
  left: 0; right: 0;
  padding-inline: var(--gutter);
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
  z-index: 2;
}
.hero-meta .dot { color: var(--accent); }

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: calc(var(--nav-h) + 20px);
  padding-bottom: 120px;
}
.hero-kicker {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--text-2);
  text-transform: uppercase;
  margin-bottom: clamp(24px, 4vh, 44px);
}
.hero-kicker::before {
  content: '';
  width: 44px; height: 1px;
  background: var(--accent);
}
.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: 0.01em;
}
.hero-title .cn {
  display: block;
  font-size: clamp(72px, 11.5vw, 196px);
}
.hero-title .en {
  display: block;
  margin-top: clamp(14px, 2vh, 26px);
  font-size: clamp(22px, 3vw, 48px);
  font-weight: 400;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,0.32);
  letter-spacing: 0.16em;
}
.hero-title .slash { color: var(--accent); }
.hero-roles {
  margin-top: clamp(22px, 3.6vh, 40px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  font-size: clamp(17px, 1.6vw, 24px);
  font-weight: 500;
  color: var(--text-2);
}
.hero-roles span { position: relative; }
.hero-roles span:not(:last-child)::after {
  content: '/';
  position: absolute;
  right: -17px;
  color: var(--accent);
  font-weight: 400;
}
.hero-desc {
  margin-top: clamp(20px, 3vh, 32px);
  max-width: 620px;
  color: var(--muted);
  font-size: clamp(15px, 1.1vw, 17px);
}
.hero-actions {
  margin-top: clamp(30px, 5vh, 52px);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-foot {
  position: absolute;
  left: 0; right: 0;
  bottom: 0;
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 2;
}
.scroll-hint {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--muted);
  text-transform: uppercase;
}
.scroll-hint .line {
  width: 1px; height: 42px;
  background: var(--line-strong);
  position: relative;
  overflow: hidden;
}
.scroll-hint .line::after {
  content: '';
  position: absolute;
  left: 0; top: -50%;
  width: 100%; height: 50%;
  background: var(--accent);
  animation: scrollline 2.2s var(--ease) infinite;
}
@keyframes scrollline {
  0% { top: -50%; }
  100% { top: 110%; }
}
.hero-coord {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
}
.hero-coord b { color: var(--text-2); font-weight: 500; }

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 440px 1fr;
  gap: clamp(40px, 5vw, 96px);
  align-items: start;
}
.about-card {
  position: sticky;
  top: calc(var(--nav-h) + 32px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  padding: 14px;
  overflow: hidden;
}
.avatar-frame {
  position: relative;
  border-radius: calc(var(--radius) - 6px);
  overflow: hidden;
  aspect-ratio: 4 / 4.6;
  background:
    radial-gradient(120% 90% at 50% 0%, rgba(201,242,76,0.10), transparent 55%),
    linear-gradient(180deg, #14171c, #0b0d10);
  display: grid;
  place-items: center;
}
.avatar-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.05);
}
.avatar-mono {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(90px, 10vw, 150px);
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(237,236,231,0.55);
  letter-spacing: 0.02em;
  position: relative;
}
.avatar-ring {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: conic-gradient(from 0deg, transparent 0%, var(--accent) 8%, transparent 18%);
  opacity: 0.5;
  animation: spin 12s linear infinite;
  mask-image: radial-gradient(farthest-side, transparent calc(100% - 2px), black calc(100% - 1px));
  -webkit-mask-image: radial-gradient(farthest-side, transparent calc(100% - 2px), black calc(100% - 1px));
}
@keyframes spin { to { transform: rotate(360deg); } }
.avatar-gridline {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(70% 70% at 50% 50%, transparent 30%, black 100%);
  -webkit-mask-image: radial-gradient(70% 70% at 50% 50%, transparent 30%, black 100%);
}
.about-card-body { padding: 26px 22px 22px; }
.about-card-body h3 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.03em;
}
.about-card-body .role {
  margin-top: 6px;
  color: var(--accent);
  font-size: 13.5px;
  letter-spacing: 0.06em;
}
.about-card-body .meta {
  margin-top: 20px;
  display: grid;
  gap: 10px;
}
.about-card-body .meta div {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 13.5px;
  border-top: 1px dashed var(--line);
  padding-top: 10px;
  color: var(--text-2);
}
.about-card-body .meta span { font-family: var(--font-mono); color: var(--muted); font-size: 11px; letter-spacing: 0.14em; }

.about-main { min-width: 0; }
.about-bio p {
  color: var(--text-2);
  font-size: clamp(16px, 1.35vw, 20px);
  line-height: 2;
  letter-spacing: 0.01em;
}
.about-bio p + p { margin-top: 22px; }
.about-bio em { color: var(--text); font-style: normal; font-weight: 500; }

.about-contact {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.about-contact a, .about-contact .item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: rgba(255,255,255,0.015);
  color: var(--text-2);
  font-size: 14.5px;
  transition: border-color 0.3s, background 0.3s, color 0.3s;
}
.about-contact a:hover { border-color: var(--accent); color: var(--text); background: var(--accent-dim); }
.about-contact .ico {
  width: 34px; height: 34px;
  border-radius: 9px;
  border: 1px solid var(--line-strong);
  display: grid;
  place-items: center;
  flex: none;
  color: var(--accent);
}
.about-contact .lbl { display: block; font-family: var(--font-mono); font-size: 10px; color: var(--muted); letter-spacing: 0.18em; text-transform: uppercase; }
.about-contact .val { display: block; margin-top: 2px; }

.stats {
  margin-top: 52px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255,255,255,0.012);
}
.stats > div {
  padding: 30px 26px;
  border-right: 1px solid var(--line);
  position: relative;
}
.stats > div:last-child { border-right: 0; }
.stats .num {
  font-family: var(--font-display);
  font-size: clamp(34px, 3.4vw, 52px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
}
.stats .num small { color: var(--accent); font-size: 0.55em; margin-left: 2px; }
.stats .lbl { margin-top: 10px; font-size: 13.5px; color: var(--text-2); }
.stats .lbl em { display: block; font-style: normal; font-family: var(--font-mono); font-size: 9.5px; color: var(--muted); letter-spacing: 0.24em; margin-top: 4px; }

/* ============================================================
   PROJECTS
   ============================================================ */
.works-list { display: grid; gap: clamp(36px, 5vh, 72px); }
.work-card {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: clamp(28px, 3.4vw, 64px);
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  padding: clamp(16px, 1.6vw, 26px);
  transition: border-color 0.45s var(--ease), transform 0.45s var(--ease), box-shadow 0.45s var(--ease);
  overflow: hidden;
}
.work-card:hover {
  border-color: rgba(201,242,76,0.38);
  transform: translateY(-4px);
  box-shadow: 0 30px 80px -40px rgba(0,0,0,0.8), 0 0 0 1px rgba(201,242,76,0.08) inset;
}
.work-card.flip { grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr); }
.work-card.flip .work-media { order: 2; }
.work-card.flip .work-info { order: 1; }

.work-media {
  position: relative;
  border-radius: calc(var(--radius) - 8px);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: #0b0d10;
}
.work-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease), filter 0.8s var(--ease);
}
.work-card:hover .work-media img { transform: scale(1.045); }
.work-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(8,9,11,0.55));
  pointer-events: none;
}
.work-media .tag {
  position: absolute;
  left: 16px; top: 16px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(8,9,11,0.72);
  backdrop-filter: blur(8px);
  padding: 8px 14px;
  border-radius: 100px;
  border: 1px solid rgba(201,242,76,0.25);
}
.work-media .idx {
  position: absolute;
  right: 18px; bottom: 8px;
  z-index: 2;
  font-family: var(--font-display);
  font-size: clamp(52px, 6vw, 92px);
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,0.4);
  line-height: 1;
}
.work-info { padding: clamp(8px, 1.4vw, 20px); }
.work-info .cat {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.work-info h3 {
  font-family: var(--font-display);
  font-size: clamp(26px, 2.6vw, 40px);
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.2;
}
.work-info .en {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.22em;
  color: var(--muted);
}
.work-info .desc {
  margin-top: 18px;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.9;
  max-width: 520px;
}
.work-meta {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px dashed var(--line);
  padding-top: 18px;
}
.work-meta b { color: var(--text-2); font-weight: 500; margin-right: 8px; }
.work-tools { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.work-tools span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-2);
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 6px 12px;
  transition: border-color 0.3s, color 0.3s;
}
.work-card:hover .work-tools span { border-color: var(--line-strong); color: var(--text); }
.work-cta {
  margin-top: 24px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  transition: color 0.3s, gap 0.3s var(--ease);
}
.work-card:hover .work-cta { color: var(--accent); gap: 16px; }

/* ============================================================
   STRENGTHS
   ============================================================ */
.strength-statement {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 48px;
  align-items: end;
  margin-bottom: clamp(56px, 7vh, 88px);
}
.strength-statement .big {
  font-size: clamp(30px, 3.6vw, 56px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: 0.01em;
}
.strength-statement .big .accent { -webkit-text-stroke: 0; }
.strength-statement .note { color: var(--muted); font-size: 15.5px; line-height: 1.9; }
.strength-statement .note .mono { display: block; color: var(--text-2); font-size: 11px; letter-spacing: 0.24em; margin-bottom: 12px; }

.strength-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.strength-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent);
  padding: 34px 30px 30px;
  overflow: hidden;
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease), background 0.4s;
}
.strength-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 90% at 50% 0%, var(--accent-dim), transparent 55%);
  opacity: 0;
  transition: opacity 0.5s;
}
.strength-card:hover { border-color: rgba(201,242,76,0.4); transform: translateY(-5px); background: var(--panel); }
.strength-card:hover::before { opacity: 1; }
.strength-card .top { display: flex; align-items: center; justify-content: space-between; position: relative; }
.strength-card .ico {
  width: 48px; height: 48px;
  border-radius: 13px;
  border: 1px solid var(--line-strong);
  display: grid;
  place-items: center;
  color: var(--accent);
  background: rgba(255,255,255,0.02);
  transition: box-shadow 0.4s;
}
.strength-card:hover .ico { box-shadow: 0 0 26px var(--accent-glow); }
.strength-card .no { font-family: var(--font-mono); font-size: 12px; color: var(--muted); letter-spacing: 0.2em; }
.strength-card h3 { margin-top: 26px; font-size: 22px; font-weight: 700; position: relative; }
.strength-card .en { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.26em; color: var(--muted); margin-top: 6px; position: relative; }
.strength-card .desc { margin-top: 16px; color: var(--text-2); font-size: 14px; line-height: 1.85; position: relative; }
.strength-card .tags { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 8px; position: relative; }
.strength-card .tags span {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 5px 11px;
}
.strength-card:hover .tags span { color: var(--text-2); border-color: var(--line-strong); }

/* ============================================================
   CONTACT — 整屏收尾
   ============================================================ */
.contact {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  border-top: 1px solid var(--line);
  background: var(--bg-2);
}
.contact-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 75%);
}
.contact-glow {
  position: absolute;
  width: 60vw; height: 60vw;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(201,242,76,0.08) 0%, transparent 60%);
  pointer-events: none;
}
.contact-word {
  position: absolute;
  left: 50%;
  bottom: -0.16em;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(120px, 22vw, 380px);
  letter-spacing: -0.02em;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,0.07);
  white-space: nowrap;
  user-select: none;
  pointer-events: none;
}
.contact-inner { position: relative; z-index: 2; text-align: center; padding-block: 120px; }
.contact-kicker {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--text-2);
  text-transform: uppercase;
}
.contact-kicker::before, .contact-kicker::after { content: ''; width: 34px; height: 1px; background: var(--accent); }
.contact-inner h2 {
  margin-top: 26px;
  font-family: var(--font-display);
  font-size: clamp(52px, 7.6vw, 128px);
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.1;
}
.contact-inner h2 .accent { -webkit-text-stroke: 0; }
.contact-inner .sub {
  margin: 26px auto 0;
  max-width: 560px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}
.contact-mail {
  display: inline-block;
  margin-top: 44px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 36px);
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.02em;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 8px;
  transition: color 0.3s, text-shadow 0.3s;
  position: relative;
}
.contact-mail:hover { color: var(--accent); text-shadow: 0 0 40px var(--accent-glow); }
.contact-cards {
  margin: 60px auto 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  max-width: 1080px;
}
.contact-cards a, .contact-cards .citem {
  padding: 22px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: rgba(255,255,255,0.015);
  transition: border-color 0.3s, background 0.3s, transform 0.3s var(--ease);
}
.contact-cards a:hover { border-color: var(--accent); background: var(--accent-dim); transform: translateY(-3px); }
.contact-cards .lbl { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.22em; color: var(--muted); text-transform: uppercase; }
.contact-cards .val { display: block; margin-top: 10px; font-size: 15px; color: var(--text-2); font-weight: 500; word-break: break-all; }
.contact-cards a:hover .val { color: var(--text); }

.contact-foot {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 2;
}
.contact-foot .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-block: 30px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--muted);
}
.contact-foot a { color: var(--text-2); transition: color 0.3s; }
.contact-foot a:hover { color: var(--accent); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1280px) {
  .strength-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-card { position: static; }
  .work-card, .work-card.flip { grid-template-columns: 1fr; }
  .work-card.flip .work-media { order: 0; }
  .work-card.flip .work-info { order: 1; }
  .strength-statement { grid-template-columns: 1fr; gap: 24px; }
  .nav-links { display: none; }
}
@media (max-width: 720px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stats > div:nth-child(2) { border-right: 0; }
  .stats > div:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .about-contact { grid-template-columns: 1fr; }
  .strength-grid { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
  .hero-side { display: none; }
}

/* ============================================================
   GALLERY — 全部作品
   ============================================================ */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 44px;
}
.gf-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 100px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--text-2);
  font-size: 13.5px;
  letter-spacing: 0.04em;
  transition: all 0.3s var(--ease);
}
.gf-chip .cnt {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--muted);
}
.gf-chip:hover { border-color: var(--accent); color: var(--text); }
.gf-chip.on {
  background: var(--accent);
  border-color: var(--accent);
  color: #0a0b0d;
  font-weight: 600;
}
.gf-chip.on .cnt { color: rgba(10, 11, 13, 0.6); }

.gallery-grid {
  columns: 4 250px;
  column-gap: 18px;
}
.g-item {
  position: relative;
  display: block;
  width: 100%;
  margin-bottom: 18px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: #0d0f12;
  break-inside: avoid;
  cursor: zoom-in;
  transition: border-color 0.35s var(--ease), transform 0.35s var(--ease);
}
.g-item:hover { border-color: rgba(201, 242, 76, 0.4); transform: translateY(-3px); }
.g-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.8s var(--ease);
}
.g-item:hover img { transform: scale(1.03); }
.g-cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 30px 14px 12px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--text-2);
  background: linear-gradient(transparent, rgba(8, 9, 11, 0.88));
  opacity: 0;
  transition: opacity 0.3s;
}
.g-item:hover .g-cap { opacity: 1; }
.g-cap .g-page { color: var(--accent); }
@media (max-width: 1100px) { .gallery-grid { columns: 3 220px; } }
@media (max-width: 720px) { .gallery-grid { columns: 2 150px; column-gap: 12px; } .g-item { margin-bottom: 12px; } }

/* 灯箱 */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(5, 6, 8, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: lb-in 0.25s var(--ease);
}
@keyframes lb-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
.lb-body {
  max-width: min(1200px, 88vw);
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.lb-body img {
  max-width: 100%;
  max-height: 76vh;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 40px 120px -30px rgba(0, 0, 0, 0.9);
  animation: lb-img 0.3s var(--ease);
}
@keyframes lb-img {
  from { transform: scale(0.96); opacity: 0.4; }
  to { transform: none; opacity: 1; }
}
.lb-meta {
  margin-top: 16px;
  width: 100%;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
}
.lb-meta span:first-child { color: var(--text-2); }
.lb-close {
  position: absolute;
  top: 26px;
  right: 30px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-2);
  font-size: 26px;
  line-height: 1;
  display: grid;
  place-items: center;
  transition: all 0.3s;
}
.lb-close:hover { color: var(--accent); border-color: var(--accent); transform: rotate(90deg); }
.lb-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-2);
  font-size: 30px;
  line-height: 1;
  display: grid;
  place-items: center;
  transition: all 0.3s;
}
.lb-nav:hover { color: var(--accent); border-color: var(--accent); background: rgba(201, 242, 76, 0.06); }
.lb-prev { left: 30px; }
.lb-next { right: 30px; }
@media (max-width: 720px) {
  .lb-prev { left: 12px; }
  .lb-next { right: 12px; }
}