/* ==========================================================
   黄瓜视频APP - 全局样式表
   辽宁云通科技有限公司 · 在线语音视频社交平台
   ========================================================== */

:root {
  --green-1: #8ee04a;
  --green-2: #5fb42a;
  --green-3: #3d8a1a;
  --green-glow: rgba(142, 224, 74, .32);
  --yellow: #ffd166;
  --cyan: #4fd6c8;

  --bg-0: #070b0f;
  --bg-1: #0d1319;
  --bg-2: #131b24;
  --bg-3: #1a242f;

  --card: rgba(255, 255, 255, .038);
  --card-hover: rgba(255, 255, 255, .065);
  --border: rgba(255, 255, 255, .085);
  --border-strong: rgba(142, 224, 74, .38);

  --txt: #e9eff6;
  --txt-2: #b7c2ce;
  --muted: #8b98a6;
  --dim: #64707d;

  --radius-s: 8px;
  --radius: 14px;
  --radius-l: 22px;
  --radius-xl: 32px;

  --shadow-s: 0 4px 14px rgba(0, 0, 0, .28);
  --shadow: 0 10px 34px rgba(0, 0, 0, .38);
  --shadow-l: 0 24px 70px rgba(0, 0, 0, .5);
  --shadow-glow: 0 12px 44px rgba(142, 224, 74, .26);

  --maxw: 1240px;
  --nav-h: 74px;

  --font: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei',
          -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --ease: cubic-bezier(.22, .61, .36, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

/* ---------------- Reset ---------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--txt-2);
  background: var(--bg-0);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(1100px 620px at 85% -8%, rgba(142, 224, 74, .14), transparent 62%),
    radial-gradient(900px 520px at 6% 8%, rgba(79, 214, 200, .10), transparent 60%),
    radial-gradient(700px 700px at 50% 108%, rgba(142, 224, 74, .09), transparent 65%),
    linear-gradient(180deg, #070b0f 0%, #0a1016 48%, #070b0f 100%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .35;
  background-image:
    linear-gradient(rgba(255, 255, 255, .028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .028) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: radial-gradient(circle at 50% 22%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 22%, #000 0%, transparent 78%);
}

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; border: 0; background: none; }

h1, h2, h3, h4 {
  margin: 0 0 .6em;
  color: var(--txt);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -.015em;
}
h1 { font-size: clamp(2rem, 4.4vw, 3.3rem); }
h2 { font-size: clamp(1.55rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 1.7vw, 1.4rem); }
h4 { font-size: 1.05rem; }
p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

::selection { background: var(--green-1); color: #08110a; }

:focus-visible {
  outline: 2px solid var(--green-1);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------------- Layout helpers ---------------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  position: relative;
  padding: 96px 0;
}
.section--tight { padding: 68px 0; }
.section--alt { background: linear-gradient(180deg, rgba(255,255,255,.018), rgba(255,255,255,0)); }

.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.center { text-align: center; }
.mt-0 { margin-top: 0; }

.lead {
  font-size: 1.08rem;
  color: var(--txt-2);
}

/* ---------------- Section heading ---------------- */
.sec-head {
  max-width: 780px;
  margin: 0 auto 56px;
  text-align: center;
}
.sec-head--left { margin-left: 0; text-align: left; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 16px;
  margin-bottom: 20px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--green-1);
  background: rgba(142, 224, 74, .09);
  border: 1px solid rgba(142, 224, 74, .24);
  border-radius: 999px;
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green-1);
  box-shadow: 0 0 10px var(--green-1);
}

.sec-head h2 { margin-bottom: 16px; }
.sec-head p { color: var(--muted); font-size: 1.04rem; }

.grad-text {
  background: linear-gradient(100deg, var(--green-1) 0%, #b9f27f 42%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ---------------- Header / Nav ---------------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(7, 11, 15, .55);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border-bottom: 1px solid transparent;
  transition: background .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}
.site-header.is-stuck {
  background: rgba(7, 11, 15, .9);
  border-bottom-color: var(--border);
  box-shadow: 0 8px 30px rgba(0, 0, 0, .4);
}

.nav-inner {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-mark {
  width: 42px; height: 42px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  font-size: 1.25rem;
  font-weight: 900;
  color: #071009;
  background: linear-gradient(140deg, var(--green-1), var(--green-2) 58%, var(--green-3));
  box-shadow: 0 8px 22px var(--green-glow), inset 0 1px 0 rgba(255,255,255,.5);
  transition: transform .4s var(--ease-out);
}
.logo:hover .logo-mark { transform: rotate(-8deg) scale(1.07); }

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--txt);
  letter-spacing: -.01em;
  white-space: nowrap;
}
.logo-sub {
  font-size: .66rem;
  font-weight: 600;
  letter-spacing: .28em;
  color: var(--muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  position: relative;
  display: block;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: .94rem;
  font-weight: 600;
  color: var(--txt-2);
  transition: color .25s var(--ease), background .25s var(--ease);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 16px; right: 16px; bottom: 5px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--green-1), var(--cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .32s var(--ease-out);
}
.nav-links a:hover { color: var(--txt); background: rgba(255,255,255,.05); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a[aria-current="page"] { color: var(--green-1); }
.nav-links a[aria-current="page"]::after { transform: scaleX(1); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: 999px;
  font-size: .92rem;
  font-weight: 700;
  color: #08120a;
  background: linear-gradient(135deg, var(--green-1), var(--green-2));
  box-shadow: 0 8px 24px var(--green-glow);
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease);
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 14px 34px var(--green-glow); }

.nav-toggle {
  display: none;
  width: 46px; height: 46px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 50%; top: 50%;
  width: 20px; height: 2px;
  margin-left: -10px;
  border-radius: 2px;
  background: var(--txt);
  transition: transform .32s var(--ease), opacity .22s var(--ease);
}
.nav-toggle span:nth-child(1) { transform: translateY(-7px); }
.nav-toggle span:nth-child(3) { transform: translateY(7px); }
.nav-toggle.is-open span:nth-child(1) { transform: rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: rotate(-45deg); }

/* ---------------- Buttons ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 34px;
  border-radius: 999px;
  font-size: .98rem;
  font-weight: 700;
  letter-spacing: .01em;
  white-space: nowrap;
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease),
              background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}
.btn--primary {
  color: #08120a;
  background: linear-gradient(135deg, var(--green-1) 0%, var(--green-2) 100%);
  box-shadow: 0 12px 32px var(--green-glow);
}
.btn--primary:hover { transform: translateY(-3px); box-shadow: 0 20px 46px var(--green-glow); }
.btn--ghost {
  color: var(--txt);
  border: 1px solid var(--border-strong);
  background: rgba(142, 224, 74, .06);
}
.btn--ghost:hover { background: rgba(142, 224, 74, .14); transform: translateY(-3px); }
.btn--outline {
  color: var(--txt);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
}
.btn--outline:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.btn--sm { padding: 11px 24px; font-size: .9rem; }
.btn--block { width: 100%; }

.btn-arrow { transition: transform .3s var(--ease-out); }
.btn:hover .btn-arrow { transform: translateX(4px); }

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  padding: calc(var(--nav-h) + 92px) 0 104px;
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.06fr .94fr;
  gap: 64px;
  align-items: center;
}
.hero h1 { margin-bottom: 22px; }
.hero .lead {
  font-size: 1.12rem;
  color: var(--txt-2);
  max-width: 560px;
  margin-bottom: 34px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 44px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.hero-stat b {
  display: block;
  font-size: 1.85rem;
  font-weight: 900;
  line-height: 1.1;
  color: var(--txt);
  letter-spacing: -.02em;
}
.hero-stat b em {
  font-style: normal;
  font-size: 1.05rem;
  color: var(--green-1);
  margin-left: 2px;
}
.hero-stat span { font-size: .86rem; color: var(--muted); }

/* hero visual */
.hero-visual { position: relative; }
.hero-card {
  position: relative;
  z-index: 2;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: linear-gradient(160deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  box-shadow: var(--shadow-l);
  padding: 16px;
  overflow: hidden;
  animation: floatY 7s ease-in-out infinite;
}
.hero-card img {
  width: 100%;
  aspect-ratio: 4 / 3.2;
  object-fit: cover;
  border-radius: var(--radius-l);
}
.hero-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, transparent 48%, rgba(7,11,15,.86) 100%);
  pointer-events: none;
}
.hero-overlay {
  position: absolute;
  left: 34px; right: 34px; bottom: 30px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 14px;
}
.play-dot {
  width: 52px; height: 52px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #08120a;
  background: linear-gradient(135deg, var(--green-1), var(--green-2));
  box-shadow: 0 10px 28px var(--green-glow);
}
.play-dot svg { margin-left: 3px; }
.hero-overlay-txt b { display: block; color: var(--txt); font-size: .98rem; font-weight: 700; }
.hero-overlay-txt span { font-size: .8rem; color: var(--muted); }

.hero-badge {
  position: absolute;
  z-index: 4;
  padding: 12px 18px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(13, 19, 25, .82);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
  font-size: .8rem;
  line-height: 1.4;
}
.hero-badge b { display: block; color: var(--green-1); font-size: 1rem; }
.hero-badge--a { top: -22px; left: -26px; animation: floatY 6s ease-in-out infinite .4s; }
.hero-badge--b { bottom: -26px; right: -18px; animation: floatY 7.5s ease-in-out infinite .9s; }

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

/* ---------------- Marquee ---------------- */
.marquee {
  position: relative;
  padding: 20px 0;
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,.018);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track {
  display: flex;
  gap: 56px;
  width: max-content;
  animation: marquee 30s linear infinite;
}
.marquee-track span {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--muted);
  white-space: nowrap;
}
.marquee-track span::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green-1);
  opacity: .8;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------------- Cards ---------------- */
.card {
  position: relative;
  padding: 34px 30px;
  border-radius: var(--radius-l);
  border: 1px solid var(--border);
  background: var(--card);
  overflow: hidden;
  transition: transform .38s var(--ease-out), border-color .38s var(--ease),
              background .38s var(--ease), box-shadow .38s var(--ease);
}
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green-1), var(--cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .45s var(--ease-out);
}
.card:hover {
  transform: translateY(-7px);
  border-color: var(--border-strong);
  background: var(--card-hover);
  box-shadow: var(--shadow);
}
.card:hover::before { transform: scaleX(1); }

.card h3 { margin-bottom: 12px; }
.card p { color: var(--muted); font-size: .95rem; }

.card-icon {
  width: 58px; height: 58px;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  border-radius: 17px;
  font-size: 1.5rem;
  color: var(--green-1);
  background: rgba(142, 224, 74, .1);
  border: 1px solid rgba(142, 224, 74, .22);
  transition: transform .4s var(--ease-out), background .4s var(--ease);
}
.card:hover .card-icon {
  transform: translateY(-3px) scale(1.06);
  background: rgba(142, 224, 74, .18);
}

.card-list { margin-top: 20px; }
.card-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  font-size: .9rem;
  color: var(--txt-2);
}
.card-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 10px;
  width: 8px; height: 8px;
  border-radius: 3px;
  background: linear-gradient(135deg, var(--green-1), var(--green-2));
}

/* ---------------- Service rows ---------------- */
.svc-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 62px;
  align-items: center;
  padding: 46px 0;
}
.svc-row + .svc-row { border-top: 1px solid var(--border); }
.svc-row:nth-child(even) .svc-media { order: -1; }

.svc-media {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.svc-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform .8s var(--ease-out);
}
.svc-media:hover img { transform: scale(1.06); }
.svc-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(142,224,74,.16), transparent 55%);
  pointer-events: none;
}

.svc-body h3 { margin-bottom: 16px; }
.svc-body > p { color: var(--muted); margin-bottom: 22px; }

.chip-list { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 26px; }
.chip {
  padding: 7px 16px;
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 600;
  color: var(--green-1);
  background: rgba(142, 224, 74, .09);
  border: 1px solid rgba(142, 224, 74, .2);
  transition: background .3s var(--ease), transform .3s var(--ease-out);
}
.chip:hover { background: rgba(142, 224, 74, .18); transform: translateY(-2px); }

/* ---------------- Stats band ---------------- */
.stats-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: linear-gradient(150deg, rgba(142,224,74,.09), rgba(79,214,200,.05));
  overflow: hidden;
}
.stat-cell {
  padding: 40px 26px;
  text-align: center;
  border-right: 1px solid var(--border);
}
.stat-cell:last-child { border-right: 0; }
.stat-cell b {
  display: block;
  font-size: 2.35rem;
  font-weight: 900;
  letter-spacing: -.03em;
  line-height: 1.1;
  background: linear-gradient(120deg, var(--green-1), #d7f7a8);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-cell span { font-size: .88rem; color: var(--muted); }

/* ---------------- Article / prose ---------------- */
.prose { color: var(--txt-2); }
.prose h2 { margin-top: 1.9em; margin-bottom: .7em; }
.prose h3 { margin-top: 1.6em; margin-bottom: .6em; }
.prose p { color: var(--txt-2); }
.prose ul { margin: 0 0 1.3em; }
.prose ul li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 11px;
}
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 10px;
  width: 8px; height: 8px;
  border-radius: 3px;
  background: linear-gradient(135deg, var(--green-1), var(--green-2));
}
.prose blockquote {
  margin: 26px 0;
  padding: 22px 28px;
  border-left: 3px solid var(--green-1);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(142, 224, 74, .06);
  color: var(--txt);
  font-size: 1.02rem;
}

/* ---------------- Two column layout ---------------- */
.split {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 52px;
  align-items: start;
}
.sticky-side { position: sticky; top: calc(var(--nav-h) + 26px); }

.side-box {
  padding: 26px 24px;
  border-radius: var(--radius-l);
  border: 1px solid var(--border);
  background: var(--card);
  margin-bottom: 22px;
}
.side-box h3 { font-size: 1.05rem; margin-bottom: 16px; }
.side-links li + li { border-top: 1px solid var(--border); }
.side-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 2px;
  font-size: .92rem;
  color: var(--txt-2);
  transition: color .25s var(--ease), padding-left .25s var(--ease);
}
.side-links a::after { content: "→"; color: var(--green-1); opacity: .6; }
.side-links a:hover { color: var(--green-1); padding-left: 6px; }

/* ---------------- News cards ---------------- */
.news-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-l);
  border: 1px solid var(--border);
  background: var(--card);
  overflow: hidden;
  transition: transform .38s var(--ease-out), border-color .38s var(--ease), box-shadow .38s var(--ease);
}
.news-card:hover {
  transform: translateY(-7px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
}
.news-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}
.news-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .8s var(--ease-out);
}
.news-card:hover .news-thumb img { transform: scale(1.07); }
.news-tag {
  position: absolute;
  top: 14px; left: 14px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 700;
  color: #08120a;
  background: var(--green-1);
}
.news-body { padding: 24px 24px 28px; display: flex; flex-direction: column; flex: 1; }
.news-meta {
  display: flex;
  gap: 16px;
  font-size: .78rem;
  color: var(--dim);
  margin-bottom: 12px;
}
.news-body h3 { font-size: 1.12rem; margin-bottom: 12px; }
.news-body p { font-size: .92rem; color: var(--muted); margin-bottom: 18px; }
.news-more {
  margin-top: auto;
  font-size: .88rem;
  font-weight: 700;
  color: var(--green-1);
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.news-card:hover .news-more { gap: 12px; }
.news-more { transition: gap .3s var(--ease-out); }

/* featured news */
.news-feature {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 0;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--card);
  overflow: hidden;
  margin-bottom: 34px;
}
.news-feature .news-thumb { aspect-ratio: auto; height: 100%; min-height: 320px; }
.news-feature .news-body { padding: 44px 44px; justify-content: center; }
.news-feature h3 { font-size: clamp(1.35rem, 2.2vw, 1.85rem); }

/* ---------------- FAQ accordion ---------------- */
.faq { max-width: 880px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.faq-item.is-open { border-color: var(--border-strong); background: rgba(142,224,74,.05); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 24px;
  text-align: left;
  font-size: 1rem;
  font-weight: 700;
  color: var(--txt);
}
.faq-q .faq-idx {
  flex-shrink: 0;
  width: 30px; height: 30px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  font-size: .8rem;
  color: var(--green-1);
  background: rgba(142, 224, 74, .12);
}
.faq-q > span:last-child { margin-left: auto; }
.faq-sign {
  flex-shrink: 0;
  position: relative;
  width: 20px; height: 20px;
}
.faq-sign::before,
.faq-sign::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: 14px; height: 2px;
  margin: -1px 0 0 -7px;
  border-radius: 2px;
  background: var(--green-1);
  transition: transform .32s var(--ease);
}
.faq-sign::after { transform: rotate(90deg); }
.faq-item.is-open .faq-sign::after { transform: rotate(0deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .42s var(--ease);
}
.faq-a-inner {
  padding: 0 24px 24px 70px;
  font-size: .94rem;
  color: var(--muted);
}

/* ---------------- CTA ---------------- */
.cta {
  position: relative;
  padding: 0 24px;
}
.cta-box {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 74px 60px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-strong);
  background:
    radial-gradient(700px 320px at 12% 0%, rgba(142,224,74,.2), transparent 62%),
    radial-gradient(600px 300px at 92% 100%, rgba(79,214,200,.16), transparent 60%),
    linear-gradient(150deg, #10171f, #0b1117);
  text-align: center;
  overflow: hidden;
  box-shadow: var(--shadow-l);
}
.cta-box::before {
  content: "";
  position: absolute;
  inset: -50%;
  background: conic-gradient(from 0deg, transparent, rgba(142,224,74,.08), transparent 30%);
  animation: spin 18s linear infinite;
  pointer-events: none;
}
@keyframes spin { to { transform: rotate(360deg); } }

.cta-inner { position: relative; z-index: 2; }
.cta h2 { margin-bottom: 16px; }
.cta p { color: var(--txt-2); max-width: 640px; margin: 0 auto 34px; font-size: 1.06rem; }
.cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 16px; }
.cta-note { margin-top: 26px; font-size: .84rem; color: var(--dim); }

/* ---------------- Contact ---------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 46px;
  align-items: start;
}
.info-item {
  display: flex;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
}
.info-item:last-child { border-bottom: 0; }
.info-ico {
  flex-shrink: 0;
  width: 50px; height: 50px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  font-size: 1.25rem;
  color: var(--green-1);
  background: rgba(142, 224, 74, .1);
  border: 1px solid rgba(142, 224, 74, .22);
}
.info-item b { display: block; color: var(--txt); font-size: .98rem; margin-bottom: 3px; }
.info-item span, .info-item p { color: var(--muted); font-size: .92rem; margin: 0; }

.form-card {
  padding: 40px 38px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 20px; }
.field label {
  display: block;
  margin-bottom: 8px;
  font-size: .86rem;
  font-weight: 600;
  color: var(--txt-2);
}
.field label .req { color: var(--green-1); margin-left: 3px; }
.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 14px 17px;
  border-radius: var(--radius-s);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.035);
  color: var(--txt);
  font-size: .94rem;
  transition: border-color .28s var(--ease), background .28s var(--ease), box-shadow .28s var(--ease);
}
.field textarea { min-height: 132px; resize: vertical; }
.field input::placeholder,
.field textarea::placeholder { color: var(--dim); }
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--border-strong);
  background: rgba(142, 224, 74, .05);
  box-shadow: 0 0 0 4px rgba(142, 224, 74, .1);
}
.field select option { background: var(--bg-2); color: var(--txt); }
.form-tip { font-size: .82rem; color: var(--dim); margin-top: 14px; }
.form-msg {
  display: none;
  margin-top: 18px;
  padding: 14px 18px;
  border-radius: var(--radius-s);
  font-size: .9rem;
  color: var(--green-1);
  background: rgba(142, 224, 74, .1);
  border: 1px solid rgba(142, 224, 74, .28);
}
.form-msg.is-show { display: block; animation: fadeUp .4s var(--ease-out); }
.field.has-error input,
.field.has-error textarea { border-color: #ff7b7b; }

/* map placeholder */
.map-box {
  position: relative;
  margin-top: 46px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
}
.map-box img { width: 100%; aspect-ratio: 21 / 8; object-fit: cover; filter: grayscale(.5) brightness(.75); }
.map-pin {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  padding: 14px 24px;
  border-radius: 999px;
  font-size: .9rem;
  font-weight: 700;
  color: #08120a;
  background: var(--green-1);
  box-shadow: 0 12px 34px var(--green-glow);
}

/* ---------------- Timeline ---------------- */
.timeline { position: relative; padding-left: 34px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 8px; top: 6px; bottom: 6px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--green-1), rgba(142,224,74,.05));
}
.tl-item { position: relative; padding-bottom: 38px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -34px; top: 7px;
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 3px solid var(--bg-0);
  background: linear-gradient(135deg, var(--green-1), var(--green-2));
  box-shadow: 0 0 0 3px rgba(142, 224, 74, .22);
}
.tl-year {
  display: inline-block;
  margin-bottom: 8px;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 800;
  color: var(--green-1);
  background: rgba(142, 224, 74, .1);
}
.tl-item h3 { font-size: 1.1rem; margin-bottom: 8px; }
.tl-item p { color: var(--muted); font-size: .93rem; margin: 0; }

/* ---------------- Team ---------------- */
.team-card {
  padding: 30px 26px;
  border-radius: var(--radius-l);
  border: 1px solid var(--border);
  background: var(--card);
  text-align: center;
  transition: transform .38s var(--ease-out), border-color .38s var(--ease);
}
.team-card:hover { transform: translateY(-7px); border-color: var(--border-strong); }
.team-avatar {
  width: 96px; height: 96px;
  margin: 0 auto 20px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid rgba(142, 224, 74, .32);
  padding: 3px;
}
.team-avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.team-card h3 { font-size: 1.05rem; margin-bottom: 4px; }
.team-role { font-size: .82rem; color: var(--green-1); font-weight: 700; margin-bottom: 12px; }
.team-card p { font-size: .88rem; color: var(--muted); }

/* ---------------- Page hero (inner pages) ---------------- */
.page-hero {
  position: relative;
  padding: calc(var(--nav-h) + 78px) 0 68px;
  text-align: center;
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  width: 76%; height: 1px;
  transform: translateX(-50%);
  background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
}
.page-hero h1 { margin-bottom: 16px; }
.page-hero > .container > p { max-width: 700px; margin: 0 auto; color: var(--muted); font-size: 1.05rem; }

.breadcrumb {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: 26px;
  font-size: .86rem;
  color: var(--dim);
}
.breadcrumb a { color: var(--muted); transition: color .25s var(--ease); }
.breadcrumb a:hover { color: var(--green-1); }
.breadcrumb .sep { opacity: .5; }
.breadcrumb [aria-current="page"] { color: var(--green-1); }

/* ---------------- Pagination ---------------- */
.pager {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 52px;
}
.pager a, .pager span {
  min-width: 44px; height: 44px;
  display: grid;
  place-items: center;
  padding: 0 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card);
  font-size: .9rem;
  font-weight: 600;
  color: var(--txt-2);
  transition: all .28s var(--ease);
}
.pager a:hover { border-color: var(--border-strong); color: var(--green-1); transform: translateY(-2px); }
.pager .is-active {
  color: #08120a;
  background: linear-gradient(135deg, var(--green-1), var(--green-2));
  border-color: transparent;
}

/* ---------------- Filter tabs ---------------- */
.tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 42px;
}
.tab {
  padding: 10px 24px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  font-size: .9rem;
  font-weight: 600;
  color: var(--txt-2);
  transition: all .28s var(--ease);
}
.tab:hover { border-color: var(--border-strong); color: var(--txt); }
.tab.is-active {
  color: #08120a;
  background: linear-gradient(135deg, var(--green-1), var(--green-2));
  border-color: transparent;
  box-shadow: 0 8px 22px var(--green-glow);
}

/* ---------------- Table (specs) ---------------- */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}
.spec-table th,
.spec-table td {
  padding: 15px 20px;
  text-align: left;
  font-size: .92rem;
  border-bottom: 1px solid var(--border);
}
.spec-table thead th {
  background: rgba(142, 224, 74, .09);
  color: var(--txt);
  font-weight: 700;
}
.spec-table tbody th { color: var(--txt-2); font-weight: 600; width: 34%; }
.spec-table tbody td { color: var(--muted); }
.spec-table tbody tr:last-child th,
.spec-table tbody tr:last-child td { border-bottom: 0; }
.spec-table tbody tr:hover { background: rgba(255,255,255,.028); }

/* ---------------- Footer ---------------- */
.site-footer {
  position: relative;
  margin-top: 60px;
  padding: 74px 0 0;
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(0,0,0,.3));
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.25fr;
  gap: 48px;
  padding-bottom: 56px;
}
.footer-brand .logo { margin-bottom: 20px; }
.footer-brand p { font-size: .92rem; color: var(--muted); max-width: 330px; margin-bottom: 20px; }
.footer-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.footer-tags span {
  padding: 5px 12px;
  border-radius: 999px;
  font-size: .75rem;
  color: var(--muted);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.025);
}
.footer-col h3 {
  font-size: .95rem;
  margin-bottom: 20px;
  color: var(--txt);
  letter-spacing: .02em;
}
.footer-col li { margin-bottom: 11px; }
.footer-col a {
  font-size: .92rem;
  color: var(--muted);
  transition: color .25s var(--ease), padding-left .25s var(--ease);
}
.footer-col a:hover { color: var(--green-1); padding-left: 5px; }

.footer-contact li {
  display: flex;
  gap: 12px;
  font-size: .9rem;
  color: var(--muted);
  margin-bottom: 14px;
}
.footer-contact .fc-ico { color: var(--green-1); flex-shrink: 0; }

.footer-bottom {
  padding: 24px 0;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: .85rem;
  color: var(--dim);
}
.footer-bottom nav { display: flex; flex-wrap: wrap; gap: 20px; }
.footer-bottom nav a { color: var(--dim); transition: color .25s var(--ease); }
.footer-bottom nav a:hover { color: var(--green-1); }

/* ---------------- Back to top ---------------- */
.to-top {
  position: fixed;
  right: 26px; bottom: 26px;
  z-index: 800;
  width: 48px; height: 48px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: #08120a;
  background: linear-gradient(135deg, var(--green-1), var(--green-2));
  box-shadow: 0 12px 30px var(--green-glow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: all .38s var(--ease-out);
}
.to-top.is-show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { transform: translateY(-4px); }

/* ---------------- Reveal animation ---------------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .78s var(--ease-out), transform .78s var(--ease-out);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .1s; }
.reveal.d2 { transition-delay: .2s; }
.reveal.d3 { transition-delay: .3s; }
.reveal.d4 { transition-delay: .4s; }
.reveal.d5 { transition-delay: .5s; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.anim-up { animation: fadeUp .8s var(--ease-out) both; }
.anim-in { animation: fadeIn 1s var(--ease-out) both; }

/* ---------------- Utility ---------------- */
.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;
}
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0; }
.tag-row span {
  padding: 5px 13px;
  border-radius: 999px;
  font-size: .78rem;
  color: var(--muted);
  border: 1px solid var(--border);
}
.note-box {
  padding: 20px 24px;
  border-radius: var(--radius);
  border: 1px dashed rgba(142, 224, 74, .3);
  background: rgba(142, 224, 74, .055);
  font-size: .9rem;
  color: var(--txt-2);
  margin: 24px 0;
}
.note-box strong { color: var(--green-1); }

/* ---------------- Responsive ---------------- */
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr; gap: 52px; }
  .hero-visual { max-width: 620px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
  .sticky-side { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 900px) {
  :root { --nav-h: 66px; }
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 16px 20px 26px;
    background: rgba(8, 12, 17, .97);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-l);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s var(--ease), transform .3s var(--ease-out), visibility .3s;
    max-height: calc(100vh - var(--nav-h));
    overflow-y: auto;
  }
  .nav-links.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
  .nav-links a { padding: 15px 14px; border-radius: 10px; font-size: 1rem; }
  .nav-links a::after { display: none; }
  .nav-links a[aria-current="page"] { background: rgba(142, 224, 74, .1); }
  .nav-cta { display: none; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .svc-row { grid-template-columns: 1fr; gap: 34px; padding: 38px 0; }
  .svc-row:nth-child(even) .svc-media { order: 0; }
  .news-feature { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .stats-band { grid-template-columns: repeat(2, 1fr); }
  .stat-cell:nth-child(2) { border-right: 0; }
  .stat-cell:nth-child(1), .stat-cell:nth-child(2) { border-bottom: 1px solid var(--border); }
}

@media (max-width: 640px) {
  body { font-size: 15px; }
  .section { padding: 66px 0; }
  .hero { padding: calc(var(--nav-h) + 54px) 0 74px; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 22px 14px; }
  .hero-stat b { font-size: 1.5rem; }
  .hero-badge--a { left: -8px; top: -16px; padding: 9px 13px; }
  .hero-badge--b { right: -6px; bottom: -16px; padding: 9px 13px; }
  .grid, .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; gap: 20px; }
  .cta-box { padding: 48px 24px; }
  .form-card { padding: 28px 22px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .news-feature .news-body { padding: 28px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; padding-bottom: 42px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .split, .container { padding-left: 18px; padding-right: 18px; }
  .cta { padding: 0 18px; }
  .faq-a-inner { padding: 0 20px 22px 20px; }
  .faq-q { padding: 17px 18px; font-size: .95rem; }
  .page-hero { padding: calc(var(--nav-h) + 48px) 0 50px; }
  .stats-band { grid-template-columns: 1fr; }
  .stat-cell { border-right: 0; border-bottom: 1px solid var(--border); }
  .stat-cell:last-child { border-bottom: 0; }
  .timeline { padding-left: 26px; }
  .tl-item::before { left: -26px; }
  .btn { padding: 13px 26px; }
  .to-top { right: 16px; bottom: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}