/* 智扣原创模板 ZK-006 · SaaS 科技官网 · 版权归智扣所有 */
:root {
  --bg: #0C0F12;
  --bg-soft: #0F1317;
  --card: #151A1E;
  --card-deep: #11161A;
  --line: rgba(255, 255, 255, .08);
  --line-strong: rgba(255, 255, 255, .16);
  --neon: #B6FF3B;
  --neon-soft: rgba(182, 255, 59, .14);
  --cyan: #39E0FF;
  --text: #E8EDEF;
  --muted: #8A979E;
  --dark: #0A0D10;
  --radius: 14px;
  --shadow: 0 24px 60px rgba(0, 0, 0, .44);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.wrap { width: min(1140px, calc(100% - 48px)); margin: 0 auto; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 11.5px; font-weight: 800; letter-spacing: .16em;
  color: var(--neon); margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 18px; height: 1px; background: var(--neon); }
h1, h2, h3 { line-height: 1.25; letter-spacing: -.02em; }
h2 { font-size: clamp(24px, 2.6vw, 34px); font-weight: 800; }
.lead { font-size: 16px; color: #C3CDD2; margin: 16px 0 10px; }
.muted { color: var(--muted); }
.section { padding: 88px 0; }
.section-soft { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 36px; margin-bottom: 44px; }
.section-head > div { max-width: 640px; }
.section-head p { max-width: 380px; font-size: 13.5px; color: var(--muted); line-height: 1.8; }

/* header */
.site-header {
  position: sticky; top: 0; z-index: 30;
  background: rgba(12, 15, 18, .86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 24px; height: 74px; }
.brand { display: flex; align-items: center; gap: 11px; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 9px;
  display: grid; place-items: center;
  background: var(--neon); color: var(--dark);
  font-size: 13px; font-weight: 800;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text b { font-size: 15.5px; font-weight: 800; }
.brand-text small { font-size: 10.5px; color: var(--muted); letter-spacing: .1em; }
.site-nav { display: flex; gap: 26px; margin-left: auto; }
.site-nav a { position: relative; font-size: 13.5px; color: #AEB9BE; padding: 6px 0; }
.site-nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: var(--neon); transform: scaleX(0); transform-origin: left;
  transition: transform .2s ease;
}
.site-nav a:hover { color: var(--text); }
.site-nav a:hover::after { transform: scaleX(1); }
.header-cta {
  background: var(--neon); color: var(--dark);
  padding: 10px 18px; border-radius: 8px;
  font-size: 12.5px; font-weight: 800; white-space: nowrap;
}
.header-cta:hover { filter: brightness(1.08); }
.nav-toggle {
  display: none; width: 38px; height: 38px;
  border: 1px solid var(--line-strong); border-radius: 8px;
  background: transparent; color: var(--text);
  font-size: 18px; line-height: 1; cursor: pointer;
}

/* hero */
.hero { position: relative; overflow: hidden; padding: 92px 0 96px; border-bottom: 1px solid var(--line); }
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-bg::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(180deg, rgba(12, 15, 18, 0) 0%, rgba(12, 15, 18, .55) 54%, var(--bg) 96%),
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 100% 100%, 54px 54px, 54px 54px;
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(640px 420px at 84% 4%, rgba(182, 255, 59, .17), transparent 66%),
    radial-gradient(560px 480px at 4% 94%, rgba(57, 224, 255, .13), transparent 70%);
}
.hero-inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.03fr .97fr;
  gap: 56px; align-items: center;
}
.hero-copy { max-width: 560px; }
.hero h1 {
  font-size: clamp(32px, 4vw, 50px);
  font-weight: 800; line-height: 1.14;
  letter-spacing: -.03em;
  margin: 6px 0 20px;
}
.hero-desc { font-size: 15px; line-height: 1.9; color: #A9B5BB; max-width: 500px; }
.hero-actions { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.btn-primary, .btn-ghost {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 26px; border-radius: 9px;
  font-size: 13.5px; font-weight: 800;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, color .18s ease, border-color .18s ease;
}
.btn-primary {
  background: var(--neon); color: var(--dark);
  box-shadow: 0 10px 30px rgba(182, 255, 59, .18);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 14px 36px rgba(182, 255, 59, .26); }
.btn-ghost { border-color: var(--line-strong); color: #D5DDE0; background: transparent; }
.btn-ghost:hover { border-color: rgba(182, 255, 59, .55); color: var(--neon); }
.hero-note {
  display: flex; align-items: center; gap: 8px;
  margin-top: 18px; font-size: 11.5px; color: #7C8A91; letter-spacing: .02em;
}
.hero-note::before {
  content: ""; width: 5px; height: 5px; border-radius: 50%;
  background: var(--neon); box-shadow: 0 0 10px rgba(182, 255, 59, .7);
}

/* 产品界面示意 */
.product-card {
  max-width: 520px; margin-left: auto;
  background: linear-gradient(180deg, #171D22 0%, #11161A 100%);
  border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 30px 70px rgba(0, 0, 0, .5), 0 0 60px rgba(182, 255, 59, .06);
}
.pc-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, .022);
  border-bottom: 1px solid var(--line);
}
.pc-dots { display: flex; gap: 6px; }
.pc-dots i { width: 7px; height: 7px; border-radius: 50%; background: #3C494F; }
.pc-dots i:nth-child(2) { background: #2E3A40; }
.pc-dots i:nth-child(3) { background: #242D32; }
.pc-name { font-size: 10.5px; color: #93A1A8; letter-spacing: .05em; }
.pc-live {
  margin-left: auto;
  font-size: 9.5px; font-weight: 800; letter-spacing: .14em;
  color: var(--neon); border: 1px solid rgba(182, 255, 59, .3);
  border-radius: 999px; padding: 2px 8px;
}
.pc-metrics { display: grid; grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid var(--line); }
.pc-metrics > div { padding: 15px 14px 16px; border-right: 1px solid var(--line); }
.pc-metrics > div:last-child { border-right: 0; }
.pc-metrics small { display: block; font-size: 10px; color: #77868D; letter-spacing: .03em; white-space: nowrap; }
.pc-metrics b {
  display: block; margin-top: 5px;
  font-size: 17px; font-weight: 800; letter-spacing: -.02em;
  color: #F2F7F8; font-variant-numeric: tabular-nums;
}
.pc-metrics b span { font-size: 10px; font-weight: 700; color: #9AA8AE; margin-left: 1px; }
.pc-chart { padding: 16px 16px 18px; border-bottom: 1px solid var(--line); }
.pc-chart-head { display: flex; justify-content: space-between; align-items: center; font-size: 10.5px; color: var(--muted); margin-bottom: 12px; }
.pc-chart-head em { font-style: normal; font-size: 10.5px; font-weight: 800; color: var(--neon); }
.pc-bars { display: flex; align-items: flex-end; gap: 6px; height: 92px; }
.pc-bars span {
  flex: 1; border-radius: 3px 3px 1px 1px;
  background: linear-gradient(180deg, rgba(182, 255, 59, .4), rgba(182, 255, 59, .08));
  border-top: 1px solid rgba(182, 255, 59, .34);
}
.pc-bars span:nth-child(1) { height: 38%; }
.pc-bars span:nth-child(2) { height: 52%; }
.pc-bars span:nth-child(3) { height: 46%; }
.pc-bars span:nth-child(4) { height: 66%; }
.pc-bars span:nth-child(5) { height: 56%; }
.pc-bars span:nth-child(6) { height: 74%; }
.pc-bars span:nth-child(7) { height: 62%; }
.pc-bars span:nth-child(8) { height: 88%; }
.pc-bars span:nth-child(9) { height: 70%; }
.pc-bars span:nth-child(10) { height: 50%; }
.pc-bars span:nth-child(11) { height: 80%; }
.pc-bars span:nth-child(12) { height: 44%; }
.pc-bars span:nth-child(4),
.pc-bars span:nth-child(8) {
  background: linear-gradient(180deg, var(--neon), rgba(182, 255, 59, .3));
  box-shadow: 0 0 18px rgba(182, 255, 59, .26);
}
.pc-events { padding: 4px 0; }
.pc-event { display: flex; align-items: center; gap: 9px; padding: 11px 16px; }
.pc-event + .pc-event { border-top: 1px solid rgba(255, 255, 255, .05); }
.pc-event i { width: 5px; height: 5px; border-radius: 50%; background: var(--neon); flex: none; }
.pc-event i.warn { background: var(--cyan); box-shadow: 0 0 8px rgba(57, 224, 255, .5); }
.pc-event b {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10.5px; font-weight: 700; color: #CFD9DD;
}
.pc-event span { flex: 1; min-width: 0; font-size: 10px; color: #7B8A91; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pc-event em { font-style: normal; font-size: 9.5px; color: #68777E; flex: none; }

/* about */
.about-grid { display: grid; grid-template-columns: .98fr 1.02fr; gap: 64px; align-items: start; }
.about-copy h2 { margin-bottom: 2px; }
.about-copy .muted { font-size: 13.5px; max-width: 460px; }
.data-bars { display: grid; gap: 16px; margin-top: 34px; max-width: 440px; }
.data-top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 7px; font-size: 12px; color: #9DAAB0; }
.data-top b { font-size: 17px; font-weight: 800; letter-spacing: -.02em; color: #F1F6F7; font-variant-numeric: tabular-nums; }
.data-top b span { font-size: 10.5px; font-weight: 700; color: #94A2A8; margin-left: 2px; }
.data-track { height: 4px; border-radius: 2px; background: rgba(255, 255, 255, .07); overflow: hidden; }
.data-track i { display: block; width: var(--w); height: 100%; border-radius: 2px; background: linear-gradient(90deg, rgba(182, 255, 59, .45), var(--neon)); }
.about-points { display: grid; gap: 14px; }
.point {
  display: flex; gap: 18px;
  padding: 24px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  transition: border-color .2s ease;
}
.point:hover { border-color: rgba(182, 255, 59, .26); }
.point b {
  flex: none; width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid rgba(182, 255, 59, .3); color: var(--neon);
  font-size: 11px; font-weight: 800;
}
.point strong { display: block; font-size: 15.5px; font-weight: 800; }
.point p { margin-top: 4px; font-size: 12.5px; line-height: 1.75; color: var(--muted); }

/* products */
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.feature-card {
  display: flex; flex-direction: column;
  padding: 32px 30px 28px;
  background: var(--card);
  border: 1px solid var(--line); border-radius: var(--radius);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.feature-card:hover { transform: translateY(-3px); border-color: rgba(182, 255, 59, .28); box-shadow: 0 22px 46px rgba(0, 0, 0, .36); }
.fc-icon {
  position: relative; display: block;
  width: 46px; height: 46px; margin-bottom: 20px;
  border: 1px solid var(--line-strong); border-radius: 10px;
  background: rgba(255, 255, 255, .025);
}
.fc-icon::before, .fc-icon::after { content: ""; position: absolute; }
.i-grid::before {
  left: 11px; top: 11px; width: 9px; height: 9px; border-radius: 2px;
  background: var(--neon);
  box-shadow: 15px 0 0 rgba(182, 255, 59, .55), 0 15px 0 rgba(182, 255, 59, .55), 15px 15px 0 rgba(182, 255, 59, .28);
}
.i-ring::before {
  left: 50%; top: 50%; width: 18px; height: 18px;
  border: 2px solid var(--neon); border-radius: 50%;
  transform: translate(-50%, -50%);
}
.i-ring::after {
  left: 50%; top: 50%; width: 6px; height: 6px;
  background: var(--neon); border-radius: 50%;
  transform: translate(-50%, -50%);
}
.i-bars::before {
  left: 11px; bottom: 11px; width: 5px; height: 13px; border-radius: 1px;
  background: rgba(182, 255, 59, .9);
  box-shadow: 8px -5px 0 rgba(182, 255, 59, .68), 16px -11px 0 rgba(182, 255, 59, .4);
}
.i-shield::before {
  left: 50%; top: 50%; width: 14px; height: 14px;
  border: 2px solid var(--neon); border-radius: 3px;
  transform: translate(-50%, -50%) rotate(45deg);
}
.i-shield::after {
  left: 50%; top: 50%; width: 5px; height: 5px;
  background: var(--neon); border-radius: 50%;
  transform: translate(-50%, -50%);
}
.feature-card h3 { font-size: 18px; font-weight: 800; margin-bottom: 8px; }
.feature-card p { font-size: 13px; line-height: 1.8; color: var(--muted); max-width: 420px; }
.fc-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; padding-top: 18px; }
.fc-tags span {
  font-size: 11px; color: #B9C4C9;
  border: 1px solid var(--line); border-radius: 999px;
  padding: 3px 10px; background: rgba(255, 255, 255, .02);
}

/* strength */
.integrations { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 52px; }
.pill {
  display: flex; align-items: center; gap: 10px;
  padding: 13px 16px;
  border: 1px solid var(--line); border-radius: 999px;
  background: rgba(255, 255, 255, .02);
  font-size: 12.5px; color: #C6D1D5;
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}
.pill i { width: 8px; height: 8px; border-radius: 2px; background: rgba(182, 255, 59, .5); box-shadow: 0 0 0 1px rgba(182, 255, 59, .18); flex: none; }
.pill:hover { border-color: rgba(182, 255, 59, .35); color: var(--text); background: rgba(182, 255, 59, .05); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; padding-top: 38px; border-top: 1px solid var(--line); }
.step b { display: block; margin-bottom: 10px; font-size: 12px; font-weight: 800; letter-spacing: .1em; color: var(--neon); }
.step h3 { font-size: 16.5px; font-weight: 800; margin-bottom: 6px; }
.step p { max-width: 280px; font-size: 12.5px; line-height: 1.8; color: var(--muted); }

/* quality */
.quality-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.q-card { padding: 24px 22px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.q-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.q-badge { font-size: 10px; letter-spacing: .1em; color: #86949B; border: 1px solid var(--line); border-radius: 4px; padding: 2px 7px; }
.q-check { position: relative; flex: none; width: 22px; height: 22px; border: 1px solid rgba(182, 255, 59, .4); border-radius: 50%; }
.q-check::before {
  content: ""; position: absolute; left: 7px; top: 5px;
  width: 8px; height: 4px;
  border-left: 1.5px solid var(--neon); border-bottom: 1.5px solid var(--neon);
  transform: rotate(-45deg);
}
.q-card b { display: block; font-size: 15px; font-weight: 800; margin-bottom: 5px; }
.q-card p { font-size: 12px; line-height: 1.75; color: var(--muted); }

/* cases */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.case-card {
  display: flex; flex-direction: column;
  padding: 28px 26px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
}
.case-tag {
  align-self: flex-start; margin-bottom: 16px;
  font-size: 10.5px; letter-spacing: .08em; color: #9FADB3;
  border: 1px solid var(--line-strong); border-radius: 999px; padding: 3px 10px;
}
.case-card h3 { font-size: 16px; font-weight: 800; line-height: 1.45; margin-bottom: 10px; }
.case-quote { flex: 1; font-size: 13px; line-height: 1.8; color: #98A6AC; }
.case-foot { display: flex; align-items: baseline; gap: 10px; margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--line); }
.case-foot b { font-size: 24px; font-weight: 800; letter-spacing: -.02em; color: var(--neon); }
.case-foot b span { font-size: 10.5px; margin-left: 1px; }
.case-foot > span { font-size: 11px; color: var(--muted); }

/* contact */
.section-contact { position: relative; overflow: hidden; padding: 88px 0; background: #090C0F; border-top: 1px solid var(--line); }
.section-contact::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(560px 380px at 86% 6%, rgba(182, 255, 59, .1), transparent 68%),
    radial-gradient(480px 340px at 6% 96%, rgba(57, 224, 255, .09), transparent 70%);
}
.contact-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.contact-copy h2 { font-size: clamp(26px, 2.8vw, 36px); margin-bottom: 14px; }
.contact-desc { max-width: 430px; font-size: 13.5px; line-height: 1.85; color: #96A4AA; }
.contact-info { display: grid; gap: 18px; margin-top: 34px; }
.contact-info div { display: flex; gap: 14px; align-items: baseline; font-size: 13px; }
.contact-info span { width: 42px; flex: none; font-size: 12px; letter-spacing: .06em; color: #78878E; }
.contact-info b { font-weight: 600; font-size: 13.5px; color: #D9E2E5; word-break: break-all; }
.contact-form {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px;
  padding: 30px; border-radius: var(--radius);
  background: #F4F7F0; color: #101418;
  box-shadow: 0 30px 70px rgba(0, 0, 0, .42);
}
.contact-form label { display: grid; gap: 7px; font-size: 11.5px; font-weight: 800; letter-spacing: .02em; color: #4D5A61; }
.contact-form input, .contact-form select {
  width: 100%; padding: 11px 13px;
  border: 1px solid #D4DECE; border-radius: 8px;
  background: #fff; color: #101418;
  font: inherit; font-size: 13px;
  outline: none;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.contact-form input::placeholder { color: #93A09A; }
.contact-form input:focus, .contact-form select:focus { border-color: #9BD32E; box-shadow: 0 0 0 3px rgba(182, 255, 59, .22); }
.contact-form select {
  appearance: none;
  padding-right: 34px;
  background-image:
    linear-gradient(45deg, transparent 50%, #5A6860 50%),
    linear-gradient(135deg, #5A6860 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}
.contact-form .btn-primary { grid-column: 1 / -1; width: 100%; padding: 13px 20px; border-radius: 8px; box-shadow: none; }
.form-tip { grid-column: 1 / -1; font-size: 10.5px; line-height: 1.6; color: #7B8A80; text-align: center; }

/* footer */
.site-footer { background: #080B0D; border-top: 1px solid var(--line); padding: 48px 0 34px; }
.footer-inner { display: grid; grid-template-columns: 1.3fr 1fr auto; gap: 40px; align-items: start; }
.brand-footer .brand-text small { color: #6D7C83; }
.footer-desc { max-width: 330px; margin-top: 14px; font-size: 12px; line-height: 1.8; color: #84939A; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; font-size: 12.5px; color: #96A4AA; }
.footer-links a:hover { color: var(--neon); }
.footer-meta { text-align: right; font-size: 11.5px; line-height: 2; color: var(--muted); }
.powered { font-size: 11px; color: #6F7D84; }

.toast {
  position: fixed; left: 50%; bottom: 32px; z-index: 40;
  max-width: calc(100% - 40px);
  padding: 11px 22px; border-radius: 999px;
  background: var(--neon); color: var(--dark);
  font-size: 12.5px; font-weight: 700; text-align: center;
  opacity: 0; pointer-events: none;
  transform: translate(-50%, 16px);
  transition: opacity .25s ease, transform .25s ease;
  box-shadow: 0 16px 40px rgba(0, 0, 0, .4);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 960px) {
  .hero { padding: 66px 0 72px; }
  .hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .hero-copy { max-width: none; }
  .hero-desc { max-width: 620px; }
  .product-card { margin: 0 auto; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .section-head p { max-width: 520px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .quality-grid { grid-template-columns: 1fr 1fr; }
  .case-grid { grid-template-columns: 1fr 1fr; }
  .case-card:last-child { grid-column: 1 / -1; }
  .site-nav {
    display: none; position: absolute; top: 74px; left: 0; right: 0;
    flex-direction: column; gap: 0; margin-left: 0;
    background: #0F1418; border-bottom: 1px solid var(--line);
    padding: 8px 0;
  }
  .site-nav a { padding: 13px 24px; font-size: 14px; }
  .site-nav a::after { display: none; }
  .site-nav.open { display: flex; }
  .nav-toggle { display: block; margin-left: auto; }
  .header-cta { display: none; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .footer-meta { text-align: left; }
}

@media (max-width: 640px) {
  .wrap { width: calc(100% - 40px); }
  .section, .section-contact { padding: 60px 0; }
  .header-inner { height: 66px; }
  .site-nav { top: 66px; }
  .hero { padding: 54px 0 60px; }
  .hero h1 { font-size: clamp(29px, 8vw, 40px); }
  .hero-actions .btn-primary, .hero-actions .btn-ghost { flex: 1; min-width: 150px; }
  .pc-metrics { grid-template-columns: 1fr 1fr; }
  .pc-metrics > div:nth-child(2n) { border-right: 0; }
  .pc-metrics > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .pc-bars { height: 78px; gap: 5px; }
  .data-bars { max-width: none; }
  .feature-grid, .quality-grid, .case-grid, .steps { grid-template-columns: 1fr; }
  .case-card:last-child { grid-column: auto; }
  .integrations { grid-template-columns: 1fr 1fr; gap: 10px; }
  .point { padding: 20px; gap: 14px; }
  .contact-form { grid-template-columns: 1fr; padding: 22px; }
  .contact-form .btn-primary, .form-tip { grid-column: auto; }
  .footer-inner { gap: 22px; }
}