/* 禾芯动力官网 V2 · 焕新设计 */
:root {
  --bg: #030712;
  --bg-elevated: #0b1220;
  --surface: rgba(15, 23, 42, 0.55);
  --surface-hover: rgba(30, 41, 59, 0.65);
  --border: rgba(148, 163, 184, 0.12);
  --border-strong: rgba(52, 211, 153, 0.25);
  --green: #34d399;
  --green-dim: #10b981;
  --cyan: #38bdf8;
  --gold: #fbbf24;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  --font: "Plus Jakarta Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
  --wrap: 1280px;
  --header-h: 76px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 18px; scroll-padding-top: 110px; }
[id] { scroll-margin-top: 110px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }
.wrap { width: min(var(--wrap), 100% - 48px); margin-inline: auto; }

/* Background */
.bg-mesh {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(16, 185, 129, 0.12), transparent 55%),
    radial-gradient(ellipse 60% 40% at 90% 20%, rgba(56, 189, 248, 0.08), transparent 50%),
    radial-gradient(ellipse 50% 30% at 50% 100%, rgba(99, 102, 241, 0.06), transparent 50%);
}
#bg-canvas { position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.55; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px; border-radius: 999px; font-weight: 700; font-size: 0.9rem;
  transition: transform 0.25s, box-shadow 0.25s, background 0.25s;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(0.97); transition-duration: 0.1s; }
.btn--primary {
  background: linear-gradient(135deg, var(--green), var(--green-dim));
  color: #022c22; box-shadow: 0 8px 32px rgba(16, 185, 129, 0.35);
}
.btn--ghost {
  border: 1px solid var(--border-strong); color: var(--green);
  background: rgba(16, 185, 129, 0.06); backdrop-filter: blur(8px);
}
.btn--sm { padding: 10px 20px; font-size: 0.82rem; }
.btn--lg { padding: 14px 32px; font-size: 0.95rem; }
.btn--block { width: 100%; }

.text-gradient {
  background: linear-gradient(120deg, #6ee7b7, #38bdf8 60%, #a78bfa);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

/* Header */
.site-header {
  position: fixed; top: 20px; left: 0; right: 0; z-index: 200;
  padding: 0 24px; pointer-events: none;
}
.site-header__inner {
  pointer-events: auto; max-width: var(--wrap); margin: 0 auto;
  display: flex; align-items: center; gap: 32px;
  padding: 10px 12px 10px 20px;
  background: rgba(11, 18, 32, 0.72);
  border: 1px solid var(--border);
  border-radius: 999px; backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
  transition: background 0.3s, border-color 0.3s;
}
.site-header.is-scrolled .site-header__inner {
  background: rgba(11, 18, 32, 0.92);
  border-color: rgba(52, 211, 153, 0.15);
}
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand img { width: 44px; height: 44px; object-fit: contain; }
.brand span { font-size: 1rem; font-weight: 800; letter-spacing: 0.01em; line-height: 1.2; }
.brand em { display: block; font-style: normal; font-size: 0.55rem; font-weight: 600; color: var(--muted); letter-spacing: 0.16em; }
.site-nav { display: flex; gap: 4px; flex: 1; justify-content: center; }
.site-nav a {
  padding: 8px 18px; border-radius: 999px; font-size: 0.88rem; font-weight: 600;
  color: var(--muted); transition: color 0.2s, background 0.2s;
}
.site-nav a:hover, .site-nav a.is-active { color: var(--green); background: rgba(16, 185, 129, 0.08); }
.nav-toggle { display: none; flex-direction: column; gap: 6px; margin-left: auto; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; }

/* Hero */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh;
  display: flex; align-items: flex-end; padding: calc(var(--header-h) + 80px) 0 80px;
  z-index: 1;
}
.hero__media { position: absolute; inset: 0; z-index: -1; }
.hero__video { width: 100%; height: 100%; object-fit: cover; }
.hero__overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(105deg, rgba(3, 7, 18, 0.92) 0%, rgba(3, 7, 18, 0.55) 45%, rgba(3, 7, 18, 0.25) 100%),
    linear-gradient(0deg, rgba(3, 7, 18, 0.85) 0%, transparent 40%);
}
.hero__content { max-width: 680px; padding-bottom: 20px; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 16px 8px 12px; margin-bottom: 28px;
  border-radius: 999px; font-size: 0.78rem; font-weight: 700;
  color: var(--cyan); background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
}
.hero__badge .dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan); animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.5} }
.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 3.75rem); font-weight: 800;
  line-height: 1.08; letter-spacing: -0.03em; margin-bottom: 24px;
}
.hero__lead { font-size: 1.05rem; color: var(--muted); line-height: 1.85; margin-bottom: 32px; max-width: 560px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 48px; }
.hero__stats {
  display: flex; flex-wrap: wrap; gap: 12px;
}
.hero__stats div {
  padding: 16px 22px; border-radius: var(--radius-sm);
  background: rgba(15, 23, 42, 0.65); border: 1px solid var(--border);
  backdrop-filter: blur(12px); min-width: 120px;
}
.hero__stats strong { display: block; font-size: 1.35rem; color: var(--green); margin-bottom: 2px; }
.hero__stats span { font-size: 0.75rem; color: var(--muted); }
.hero__sound {
  position: absolute; bottom: 32px; right: 32px; z-index: 2;
  width: 44px; height: 44px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(15, 23, 42, 0.8); border: 1px solid var(--border);
  color: var(--text); transition: 0.2s;
}
.hero__sound:hover { border-color: var(--green); color: var(--green); }
.hero__sound svg { width: 18px; height: 18px; }
.hero__sound .icon-unmuted { display: none; }
.hero__sound[aria-pressed="true"] .icon-muted { display: none; }
.hero__sound[aria-pressed="true"] .icon-unmuted { display: block; }

/* Sections */
.section { position: relative; z-index: 1; padding: 100px 0; }
.section-flash { animation: sectionFlash 1.1s ease; }
@keyframes sectionFlash {
  0%, 100% { box-shadow: inset 0 0 0 0 transparent; }
  25% { box-shadow: inset 0 0 0 2px rgba(52, 211, 153, 0.5); }
}
.section--alt { background: linear-gradient(180deg, var(--bg-elevated), var(--bg)); border-block: 1px solid var(--border); }
.section--contact { padding-bottom: 120px; }
.section__head { margin-bottom: 56px; }
.section__head--center { text-align: center; }
.section__head--center .section__desc { margin-inline: auto; }
.eyebrow {
  display: inline-block; font-size: 0.68rem; font-weight: 800;
  letter-spacing: 0.22em; color: var(--cyan); margin-bottom: 12px;
}
.section__head h2 { font-size: clamp(1.85rem, 3.5vw, 2.65rem); font-weight: 800; letter-spacing: -0.02em; }
.section__desc { margin-top: 12px; color: var(--muted); font-size: 1rem; max-width: 520px; }

/* Feature product */
.feature {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px;
  align-items: center; margin-bottom: 72px;
  padding: 36px; border-radius: calc(var(--radius) + 4px);
  background: var(--surface); border: 1px solid var(--border);
  backdrop-filter: blur(16px);
}
.feature--reverse { grid-template-columns: 0.95fr 1.05fr; }
.feature--reverse .feature__body { order: -1; }
.feature__visual {
  position: relative; border-radius: var(--radius); overflow: hidden;
  aspect-ratio: 4/3; background: #000;
  border: 1px solid rgba(255,255,255,0.06);
}
.feature__visual--goz {
  aspect-ratio: auto;
  background: #060e16;
}
.feature__visual--goz .feature__img {
  position: relative;
  height: auto;
  object-fit: cover;
}
.feature__img, .feature__video { width: 100%; height: 100%; object-fit: contain; }
.feature__video { display: none; position: absolute; inset: 0; }
.feature.is-playing .feature__img { display: none; }
.feature.is-playing .feature__video { display: block; }
.feature.is-playing .play-btn { display: none; }
.play-btn {
  position: absolute; inset: 0; margin: auto; width: 72px; height: 72px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: rgba(16, 185, 129, 0.9); color: #022c22;
  box-shadow: 0 8px 40px rgba(16, 185, 129, 0.45); transition: transform 0.25s;
}
.play-btn:hover { transform: scale(1.08); }
.play-btn svg { width: 28px; height: 28px; margin-left: 4px; }
.tag {
  display: inline-block; padding: 5px 14px; border-radius: 999px;
  font-size: 0.72rem; font-weight: 800; letter-spacing: 0.06em; margin-bottom: 16px;
}
.tag--gold { color: var(--gold); background: rgba(251, 191, 36, 0.12); border: 1px solid rgba(251, 191, 36, 0.3); }
.tag--cyan { color: var(--cyan); background: rgba(56, 189, 248, 0.1); border: 1px solid rgba(56, 189, 248, 0.28); }
.feature__body h3 { font-size: 1.65rem; font-weight: 800; margin-bottom: 14px; }
.feature__body > p { color: var(--muted); margin-bottom: 22px; line-height: 1.8; }
.chip-list { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; }
.chip-list li {
  padding: 6px 14px; border-radius: 999px; font-size: 0.78rem; font-weight: 600;
  background: rgba(16, 185, 129, 0.08); border: 1px solid rgba(16, 185, 129, 0.18); color: #a7f3d0;
}

/* Bento grid */
.bento {
  margin-bottom: 72px; padding: 40px;
  border-radius: calc(var(--radius) + 4px);
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.7), rgba(3, 7, 18, 0.5));
  border: 1px solid var(--border);
}
.bento__head { text-align: center; margin-bottom: 36px; }
.bento__head h3 { font-size: 1.5rem; font-weight: 800; margin: 8px 0; }
.bento__head p { color: var(--muted); font-size: 0.9rem; }
.bento__grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.bento-card {
  position: relative; border-radius: var(--radius-sm); overflow: hidden;
  background: var(--bg-elevated); border: 1px solid var(--border);
  transition: transform 0.35s, border-color 0.35s, box-shadow 0.35s;
}
.bento-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: 0 20px 50px rgba(0,0,0,0.35);
}
.bento-card__role {
  position: absolute; top: 12px; left: 12px; z-index: 1;
  padding: 4px 10px; border-radius: 999px; font-size: 0.65rem; font-weight: 800;
  background: rgba(3, 7, 18, 0.75); border: 1px solid var(--border); color: var(--cyan);
}
.bento-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
.bento-card__text { padding: 16px; }
.bento-card__text h4 { font-size: 0.95rem; font-weight: 800; margin-bottom: 6px; }
.bento-card__text p { font-size: 0.75rem; color: var(--muted); line-height: 1.55; }

/* Carousel */
.carousel {
  position: relative; border-radius: var(--radius); overflow: hidden;
  aspect-ratio: 4/3; background: #000; border: 1px solid rgba(255,255,255,0.06);
}
.carousel__viewport { overflow: hidden; height: 100%; }
.carousel__track { display: flex; height: 100%; transition: transform 0.45s ease; }
.carousel__slide { flex: 0 0 100%; height: 100%; }
.carousel__slide img { width: 100%; height: 100%; object-fit: contain; }
.carousel__btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(3, 7, 18, 0.75); border: 1px solid var(--border);
  color: var(--text); font-size: 1.4rem; line-height: 1;
  transition: 0.2s;
}
.carousel__btn:hover { background: rgba(16, 185, 129, 0.2); border-color: var(--green); color: var(--green); }
.carousel__btn--prev { left: 12px; }
.carousel__btn--next { right: 12px; }
.carousel__dots {
  position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 8px;
}
.carousel__dots button {
  width: 8px; height: 8px; border-radius: 50%; padding: 0;
  background: rgba(255,255,255,0.35); transition: 0.25s;
}
.carousel__dots button.is-active { background: var(--green); width: 24px; border-radius: 999px; }

.impact__grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px;
}
.impact__grid div {
  text-align: center; padding: 28px 16px;
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.1), rgba(15, 23, 42, 0.4));
  border: 1px solid var(--border);
}
.impact__grid strong { display: block; font-size: 1.75rem; font-weight: 800; color: var(--green); margin-bottom: 6px; }
.impact__grid span { font-size: 0.78rem; color: var(--muted); }

/* About */
.about-intro {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px;
  align-items: center; margin-bottom: 72px;
}
.about-intro__text .lead { font-size: 1.1rem; font-weight: 600; line-height: 1.85; margin-bottom: 16px; }
.about-intro__text p { color: var(--muted); margin-bottom: 24px; line-height: 1.85; }
.pill-row { display: flex; flex-wrap: wrap; gap: 10px; }
.pill-row span {
  padding: 8px 16px; border-radius: 999px; font-size: 0.82rem; font-weight: 700;
  background: rgba(16, 185, 129, 0.08); border: 1px solid rgba(16, 185, 129, 0.2); color: var(--green);
}
.about-intro__img {
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border); box-shadow: var(--shadow);
}
.about-intro__img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }

/* Team */
.team {
  position: relative;
  overflow: hidden;
  margin-top: 48px;
  padding: 48px 36px 40px;
  border-radius: var(--radius);
  border: 1px solid rgba(148, 163, 184, 0.14);
  background:
    radial-gradient(ellipse 70% 45% at 50% 0%, rgba(52, 211, 153, 0.08), transparent 65%),
    linear-gradient(165deg, rgba(11, 18, 32, 0.95), rgba(6, 10, 20, 0.6));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04), var(--shadow);
}
.team::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(52, 211, 153, 0.03));
  pointer-events: none;
}
.team > * { position: relative; z-index: 1; }
.team__head { text-align: center; margin-bottom: 36px; }
.team__head h3 { font-size: 1.65rem; font-weight: 800; margin: 8px 0; }
.team__head p { color: var(--muted); }
.team__stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 28px;
}
.team__stats div {
  text-align: center; padding: 22px 16px; border-radius: var(--radius-sm);
  background: var(--surface); border: 1px solid var(--border);
}
.team__stats strong { display: block; font-size: 1.5rem; color: var(--green); margin-bottom: 4px; }
.team__stats span { font-size: 0.75rem; color: var(--muted); }
.team__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-bottom: 18px; }
.person-card, .advisor-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 26px 24px 22px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid var(--border);
  transition: border-color 0.35s, box-shadow 0.35s, transform 0.35s;
  overflow: hidden;
}
.person-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green), var(--cyan));
  opacity: 0.75;
}
.person-card:nth-child(2)::before { background: linear-gradient(90deg, var(--cyan), #818cf8); }
.person-card:nth-child(3)::before { background: linear-gradient(90deg, var(--green-dim), #34d399); }
.person-card:nth-child(4)::before { background: linear-gradient(90deg, var(--gold), #f59e0b); }
.person-card:hover {
  border-color: var(--border-strong);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
  transform: translateY(-4px);
}
.person-card__profile { display: flex; align-items: center; gap: 16px; }
.person-card__avatar {
  width: 76px; height: 76px; flex-shrink: 0;
  border-radius: 50%; overflow: hidden;
  border: 2px solid rgba(52, 211, 153, 0.35);
  box-shadow: 0 0 24px rgba(52, 211, 153, 0.12);
  background: #0b1220;
}
.person-card__avatar img {
  width: 100%; height: 100%; object-fit: cover; object-position: center 20%;
}
.person-card__avatar img[alt="邓晶玲"] { object-position: center 15%; }
.person-card__avatar img[alt="赵锋"] { object-position: center 12%; }
.person-card__avatar img[alt="崔利国"] { object-position: center 18%; }
.person-card__avatar img[alt="孙士龙"] { object-position: center 22%; }
.person-card__identity h4 { font-size: 1.1rem; font-weight: 800; margin-bottom: 6px; }
.person-card__role { font-size: 0.82rem; color: var(--muted); line-height: 1.5; }
.person-card__tag {
  display: inline-block;
  margin-right: 8px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--green);
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.28);
  vertical-align: middle;
}
.person-card__tag--cyan {
  color: var(--cyan);
  background: rgba(56, 189, 248, 0.1);
  border-color: rgba(56, 189, 248, 0.28);
}
.person-card__tag--gold {
  color: var(--gold);
  background: rgba(251, 191, 36, 0.12);
  border-color: rgba(251, 191, 36, 0.3);
}
.person-card__bio {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.8;
  padding: 12px 14px;
  border-radius: calc(var(--radius-sm) - 2px);
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid rgba(148, 163, 184, 0.08);
}
.advisor-card > p { font-size: 0.82rem; color: var(--muted); line-height: 1.75; }
.advisor-card {
  margin-bottom: 28px;
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.06), rgba(56, 189, 248, 0.04));
  border-color: rgba(251, 191, 36, 0.22);
}
.advisor-card__tag {
  display: inline-block; margin-bottom: 14px; padding: 4px 12px; border-radius: 999px;
  font-size: 0.68rem; font-weight: 800; color: var(--gold);
  background: rgba(251, 191, 36, 0.12); border: 1px solid rgba(251, 191, 36, 0.3);
}
.partners {
  padding: 28px; border-radius: var(--radius-sm);
  background: var(--surface); border: 1px solid var(--border);
}
.partners__label {
  text-align: center; font-size: 0.72rem; font-weight: 800;
  letter-spacing: 0.14em; color: var(--muted); margin-bottom: 24px;
}
.partners__list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.partner {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  padding: 20px 12px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.02); border: 1px solid rgba(148, 163, 184, 0.08);
  transition: 0.25s;
}
.partner:hover { border-color: var(--border-strong); background: rgba(16, 185, 129, 0.04); }
.partner img {
  width: 52px; height: 52px; object-fit: contain;
  padding: 8px; border-radius: 12px; background: #fff;
}
.partner span { font-size: 0.82rem; font-weight: 700; text-align: center; }

/* Careers */
.page-careers .careers-page {
  position: relative;
  z-index: 1;
  padding: 108px 0 100px;
  min-height: calc(100vh - 180px);
}

.careers-hero {
  position: relative;
  text-align: center;
  padding: 52px 36px 44px;
  margin-bottom: 44px;
  border-radius: calc(var(--radius) + 8px);
  background: linear-gradient(155deg, rgba(15, 23, 42, 0.85), rgba(3, 7, 18, 0.7));
  border: 1px solid var(--border);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}

.careers-hero__glow {
  position: absolute;
  inset: -30% -10% auto;
  height: 100%;
  background:
    radial-gradient(ellipse 55% 45% at 50% 0%, rgba(16, 185, 129, 0.16), transparent 55%),
    radial-gradient(ellipse 35% 30% at 85% 15%, rgba(56, 189, 248, 0.1), transparent 50%);
  pointer-events: none;
}

.careers-hero .eyebrow { position: relative; }

.careers-hero h1 {
  position: relative;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 10px 0 18px;
}

.careers-hero__lead {
  position: relative;
  max-width: 620px;
  margin: 0 auto 22px;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.85;
}

.careers-hero__pills {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  list-style: none;
}

.careers-hero__pills li {
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  color: #a7f3d0;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.22);
}

.careers-section-label {
  text-align: center;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  color: var(--cyan);
  margin-bottom: 24px;
}

.careers__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.careers-card {
  position: relative;
  padding: 24px 22px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: transform 0.35s, border-color 0.35s, box-shadow 0.35s;
  overflow: hidden;
}

.careers-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
}

.careers-card--green::before { background: linear-gradient(90deg, var(--green), transparent); }
.careers-card--cyan::before { background: linear-gradient(90deg, var(--cyan), transparent); }
.careers-card--gold::before { background: linear-gradient(90deg, var(--gold), transparent); }

.careers-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.3);
}

.careers-card--wide { grid-column: 1 / -1; }

.careers-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.careers-card__num {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.careers-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.18);
  color: var(--green);
}

.careers-card--cyan .careers-card__icon {
  background: rgba(56, 189, 248, 0.1);
  border-color: rgba(56, 189, 248, 0.2);
  color: var(--cyan);
}

.careers-card--gold .careers-card__icon {
  background: rgba(251, 191, 36, 0.1);
  border-color: rgba(251, 191, 36, 0.22);
  color: var(--gold);
}

.careers-card__icon svg { width: 20px; height: 20px; }

.careers-card h2,
.careers-card h3 {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.careers-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
}

.careers-tags li {
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
}

.careers__cta {
  padding: 3px;
  border-radius: calc(var(--radius) + 6px);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.45), rgba(56, 189, 248, 0.3));
}

.careers__cta-inner {
  text-align: center;
  padding: 40px 28px;
  border-radius: calc(var(--radius) + 4px);
  background: linear-gradient(165deg, var(--bg-elevated), var(--bg));
  border: 1px solid var(--border);
}

.careers__slogan {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  font-weight: 800;
  line-height: 1.7;
  margin: 0 auto 22px;
  max-width: 480px;
}

.careers-mail-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  min-width: 280px;
  padding: 16px 28px !important;
  text-decoration: none;
}

.careers-mail-btn span {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.careers-mail-btn em {
  font-style: normal;
  font-size: 0.92rem;
  font-weight: 600;
}

.careers__hint {
  margin-top: 14px;
  font-size: 0.78rem;
  color: var(--muted);
}

/* Contact */
.contact-grid {
  display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 28px;
  padding: 32px; border-radius: calc(var(--radius) + 4px);
  background: var(--surface); border: 1px solid var(--border);
  backdrop-filter: blur(16px);
}
.info-card {
  display: flex; gap: 16px; padding: 20px; margin-bottom: 16px;
  border-radius: var(--radius-sm); background: rgba(3, 7, 18, 0.5);
  border: 1px solid var(--border);
}
.info-card--highlight { border-color: rgba(16, 185, 129, 0.3); background: rgba(16, 185, 129, 0.06); }
.info-card__icon {
  width: 44px; height: 44px; flex-shrink: 0; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(16, 185, 129, 0.1); color: var(--green);
}
.info-card__icon svg { width: 22px; height: 22px; }
.info-card__label { font-size: 0.72rem; font-weight: 700; color: var(--muted); letter-spacing: 0.06em; }
.info-card__name { font-size: 1.15rem; font-weight: 800; margin: 4px 0; }
.info-card a { color: var(--green); font-weight: 700; font-size: 1.05rem; }
.info-card a:hover { text-decoration: underline; }
.info-card p { font-size: 0.85rem; color: var(--muted); line-height: 1.65; margin-top: 4px; }
.map-box {
  border-radius: var(--radius-sm); overflow: hidden;
  border: 1px solid var(--border); margin-top: 8px;
}
.map-box iframe { width: 100%; height: 200px; border: 0; display: block; filter: grayscale(0.3) contrast(1.05); }
.map-box__bar {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 12px 16px; font-size: 0.78rem;
  background: rgba(3, 7, 18, 0.8); color: var(--muted);
}
.map-box__bar a { color: var(--green); font-weight: 700; white-space: nowrap; }

.contact-form {
  padding: 28px; border-radius: var(--radius-sm);
  background: rgba(3, 7, 18, 0.55); border: 1px solid rgba(16, 185, 129, 0.12);
}
.contact-form__head { margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.contact-form__head h3 { font-size: 1.25rem; font-weight: 800; margin-bottom: 6px; }
.contact-form__head p { font-size: 0.85rem; color: var(--muted); }
.form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-bottom: 16px; }
.form-row .form-field { margin-bottom: 0; }
.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-size: 0.78rem; font-weight: 700; color: var(--muted); margin-bottom: 8px; }
.form-field label em { color: #f87171; font-style: normal; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; padding: 13px 16px; border-radius: 10px;
  border: 1px solid var(--border); background: rgba(3, 7, 18, 0.8);
  color: var(--text); font: inherit; font-size: 0.88rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.12);
}
.form-field input.is-invalid, .form-field select.is-invalid, .form-field textarea.is-invalid {
  border-color: rgba(248, 113, 113, 0.55);
}
.field-error { min-height: 17px; margin-top: 6px; font-size: 0.72rem; color: #f87171; }
.form-honeypot {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.btn.is-loading {
  opacity: 0.65;
  pointer-events: none;
}

.form-status { text-align: center; font-size: 0.82rem; margin-bottom: 12px; min-height: 0; }
.form-status.is-success { color: var(--green); }
.form-status.is-error { color: #f87171; }

/* Footer */
.site-footer {
  position: relative; z-index: 1; padding: 40px 0 48px;
  border-top: 1px solid var(--border); background: var(--bg-elevated);
}
.site-footer__inner {
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.brand--footer img { width: 36px; height: 36px; }
.site-footer__nav { display: flex; gap: 24px; }
.site-footer__nav a { font-size: 0.85rem; color: var(--muted); font-weight: 600; }
.site-footer__nav a:hover { color: var(--green); }
.site-footer__inner > p { font-size: 0.75rem; color: var(--muted); width: 100%; text-align: center; margin-top: 8px; }

/* FAB */
.fab {
  position: fixed; bottom: 28px; right: 28px; z-index: 250;
  display: flex; flex-direction: column; gap: 10px;
}
.fab__btn {
  width: 48px; height: 48px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(11, 18, 32, 0.9); border: 1px solid var(--border);
  color: var(--green); backdrop-filter: blur(12px);
  transition: 0.25s; box-shadow: var(--shadow);
}
.fab__btn:hover { border-color: var(--green); transform: translateY(-2px); }
.fab__btn svg { width: 20px; height: 20px; }
.fab__popover {
  position: absolute; bottom: calc(100% + 12px); right: 0;
  width: 120px; height: 120px; padding: 8px; border-radius: 14px;
  background: #fff; border: 1px solid var(--border);
  opacity: 0; visibility: hidden; transform: translateY(8px) scale(0.95);
  transition: 0.25s; pointer-events: none;
}
.fab__popover img { width: 100%; height: 100%; object-fit: contain; }
.fab__qr.is-open .fab__popover { opacity: 1; visibility: visible; transform: none; pointer-events: auto; }
.fab__top { opacity: 0; visibility: hidden; transform: translateY(12px); transition: 0.3s; }
.fab__top.is-visible { opacity: 1; visibility: visible; transform: none; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 1024px) {
  .feature, .feature--reverse { grid-template-columns: 1fr; }
  .feature--reverse .feature__body { order: 0; }
  .bento__grid { grid-template-columns: repeat(2, 1fr); }
  .impact__grid { grid-template-columns: repeat(3, 1fr); }
  .about-intro { grid-template-columns: 1fr; }
  .team__stats { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .careers__grid { grid-template-columns: 1fr; }
  .careers-card--wide { grid-column: auto; }
  .careers-hero { padding: 36px 20px 32px; }
  .careers-mail-btn { min-width: 0; width: 100%; max-width: 320px; }
  .partners__list { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  html { font-size: 16px; }
  .site-header { top: 16px; padding: 0 16px; }
  .site-nav, .site-header .btn--sm { display: none; }
  .nav-toggle { display: flex; }
  .site-header.is-open .site-nav {
    display: flex; flex-direction: column; position: absolute;
    top: calc(100% + 8px); left: 0; right: 0;
    padding: 16px; background: rgba(11, 18, 32, 0.98);
    border: 1px solid var(--border); border-radius: var(--radius-sm);
  }
  .site-header__inner { position: relative; flex-wrap: wrap; }
  .hero { align-items: flex-end; padding-bottom: 60px; }
  .hero h1 { font-size: 2rem; }
  .hero__stats { gap: 8px; }
  .hero__stats div { min-width: 0; flex: 1; padding: 12px; }
  .bento { padding: 24px 16px; }
  .team { padding: 32px 20px 28px; margin-top: 36px; }
  .person-card { padding: 22px 18px 20px; }
  .person-card__profile { flex-direction: column; text-align: center; gap: 14px; }
  .person-card__avatar { width: 68px; height: 68px; }
  .bento__grid, .team__grid, .team__stats, .impact__grid, .partners__list, .careers__grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-grid { padding: 20px 16px; }
  .fab { bottom: 16px; right: 16px; }
}