/* 智扣原创模板 ZK-012 · AI 科技官网 · 版权归智扣所有 */
:root {
  --indigo: #2A2F8F;
  --indigo-deep: #1B2069;
  --purple: #9A4FD0;
  --pink: #E36BB0;
  --lav: #F3F0FF;
  --ink: #1F2350;
  --ink-2: #464D7E;
  --muted: #737AA6;
  --line: rgba(42, 47, 143, .12);
  --line-strong: rgba(42, 47, 143, .22);
  --glass: rgba(255, 255, 255, .10);
  --glass-line: rgba(255, 255, 255, .38);
  --dark: #12163F;
  --radius: 20px;
  --shadow: 0 20px 48px rgba(42, 47, 143, .12);
}
* { 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;
  color: var(--ink); background: #FCFBFF; line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { width: min(1140px, calc(100% - 48px)); margin: 0 auto; }
.eyebrow { display: inline-block; font-size: 12px; letter-spacing: .16em; color: var(--purple); font-weight: 800; margin-bottom: 12px; }
.eyebrow.light { color: #FFD9F0; }
h1, h2, h3 { line-height: 1.3; letter-spacing: -.01em; }
h2 { font-size: clamp(25px, 2.5vw, 34px); font-weight: 800; }
.lead { font-size: 16.5px; color: var(--ink-2); margin: 14px 0 10px; }
.muted { color: var(--muted); }
.section { padding: 88px 0; }
.section-soft { background: #F7F5FF; }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 28px; margin-bottom: 36px; }
.section-head p { max-width: 430px; color: var(--muted); font-size: 14px; }
.section-head.center { flex-direction: column; align-items: center; text-align: center; }
.section-head.center p { max-width: 560px; }

.site-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(252, 251, 255, .84);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 22px; height: 74px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 13px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--indigo) 0%, var(--purple) 52%, var(--pink) 100%);
  color: #fff; font-weight: 800; font-size: 13px;
  box-shadow: 0 10px 24px rgba(103, 62, 180, .28);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text b { font-size: 16px; }
.brand-text small { font-size: 11px; color: var(--muted); letter-spacing: .08em; }
.site-nav { display: flex; gap: 22px; margin-left: auto; }
.site-nav a { font-size: 14px; color: var(--ink-2); padding: 6px 0; }
.site-nav a:hover { color: var(--purple); }
.header-cta {
  background: linear-gradient(100deg, var(--purple), var(--pink)); color: #fff;
  padding: 10px 20px; border-radius: 999px; font-size: 13px; font-weight: 700; white-space: nowrap;
  box-shadow: 0 8px 22px rgba(154, 79, 208, .28);
}
.header-cta:hover { filter: brightness(1.06); }
.nav-toggle { display: none; border: 0; background: none; font-size: 22px; line-height: 1; color: var(--ink); cursor: pointer; padding: 4px; }

.hero {
  position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(125deg, #20256F 0%, #2A2F8F 32%, #6C44BE 64%, #A954C8 82%, #E36BB0 100%);
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.blob { position: absolute; border-radius: 50%; filter: blur(72px); }
.blob-a {
  width: 540px; height: 540px; left: -140px; top: -180px; opacity: .72;
  background: radial-gradient(circle at 35% 35%, rgba(154, 79, 208, .92), rgba(42, 47, 143, 0) 70%);
}
.blob-b {
  width: 640px; height: 640px; right: -190px; bottom: -280px; opacity: .66;
  background: radial-gradient(circle at 60% 40%, rgba(227, 107, 176, .86), rgba(227, 107, 176, 0) 70%);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .065) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .065) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 92%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 92%);
}
.hero-inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.04fr .96fr; gap: 54px; align-items: center;
  padding: 74px 0 88px;
}
.hero-copy .eyebrow {
  color: #FFE0F4; background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .22); border-radius: 999px;
  padding: 6px 14px; letter-spacing: .09em; margin-bottom: 18px;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.hero h1 {
  font-size: clamp(30px, 4.2vw, 50px); font-weight: 800; line-height: 1.18;
  letter-spacing: -.02em; margin: 6px 0 20px;
  word-break: keep-all; overflow-wrap: normal;
  text-shadow: 0 12px 34px rgba(20, 22, 70, .22);
}
.hero h1 span { color: #FFD7F0; }
.hero-desc { color: rgba(255, 255, 255, .88); font-size: 15.5px; max-width: 540px; }
.hero-actions { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.btn-primary, .btn-ghost {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 27px; border-radius: 999px; font-weight: 700; font-size: 14px;
  border: 0; cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn-primary {
  background: #fff; color: var(--indigo);
  box-shadow: 0 14px 32px rgba(12, 14, 60, .26);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 38px rgba(12, 14, 60, .32); }
.btn-ghost {
  border: 1px solid rgba(255, 255, 255, .42); color: #fff;
  background: rgba(255, 255, 255, .10);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .20); }
.hero-metrics { display: flex; gap: 34px; margin-top: 36px; flex-wrap: wrap; }
.hero-metrics b { font-size: 27px; font-weight: 800; letter-spacing: -.02em; }
.hero-metrics b span { font-size: 13px; color: #FFD7F0; margin-left: 2px; }
.hero-metrics small { display: block; font-size: 12px; color: rgba(255, 255, 255, .72); margin-top: 2px; }

.chat-panel {
  background-color: var(--glass);
  background-image: linear-gradient(155deg, rgba(255, 255, 255, .30), rgba(255, 255, 255, .03));
  border: 1px solid var(--glass-line); border-radius: var(--radius);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 30px 70px rgba(13, 15, 58, .38), inset 0 1px 0 rgba(255, 255, 255, .42);
  padding: 20px;
}
.chat-head { display: flex; align-items: center; gap: 12px; padding-bottom: 14px; border-bottom: 1px solid rgba(255, 255, 255, .16); }
.chat-dots { display: flex; gap: 5px; }
.chat-dots i { width: 7px; height: 7px; border-radius: 50%; background: rgba(255, 255, 255, .4); }
.chat-dots i:first-child { background: #FFC7E4; }
.chat-title { font-size: 12.5px; color: rgba(255, 255, 255, .88); font-weight: 600; }
.chat-live {
  margin-left: auto; display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; color: #FFE0F4; background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .18); border-radius: 999px; padding: 3px 9px;
}
.chat-live i { width: 6px; height: 6px; border-radius: 50%; background: #FFB9E0; box-shadow: 0 0 0 3px rgba(255, 185, 224, .18); }
.chat-body { display: grid; gap: 13px; padding: 18px 0 15px; }
.msg { display: flex; flex-direction: column; gap: 5px; }
.msg-who { font-size: 10.5px; color: rgba(255, 255, 255, .62); letter-spacing: .04em; }
.msg p { font-size: 13px; line-height: 1.72; padding: 11px 14px; border-radius: 16px; }
.msg.user { align-items: flex-end; }
.msg.user p { background: rgba(255, 255, 255, .94); color: var(--indigo-deep); border-bottom-right-radius: 4px; box-shadow: 0 8px 20px rgba(10, 12, 48, .16); }
.msg.ai p { background: rgba(255, 255, 255, .13); border: 1px solid rgba(255, 255, 255, .22); color: #fff; border-bottom-left-radius: 4px; }
.tool-row { display: flex; gap: 8px; flex-wrap: wrap; padding-left: 2px; }
.tool {
  font-size: 10.5px; color: #F1E4FF; background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .20); border-radius: 999px; padding: 4px 9px;
}
.typing { display: flex; align-items: center; gap: 6px; font-size: 11px; color: rgba(255, 255, 255, .64); padding-left: 2px; }
.typing i { width: 4px; height: 4px; border-radius: 50%; background: #FFD0EC; animation: blink 1.2s infinite; }
.typing i:nth-child(2) { animation-delay: .2s; }
.typing i:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%, 80%, 100% { opacity: .22; } 40% { opacity: 1; } }
.chat-foot {
  display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap;
  border-top: 1px solid rgba(255, 255, 255, .16); padding-top: 13px;
  font-size: 10.5px; color: rgba(255, 255, 255, .70);
}

.about-grid { display: grid; grid-template-columns: 1.06fr .94fr; gap: 60px; align-items: start; }
.about-copy h2 { margin-bottom: 4px; }
.about-numbers {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
  margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--line);
}
.about-numbers div { display: flex; flex-direction: column; }
.about-numbers b { font-size: 23px; font-weight: 800; color: var(--indigo); letter-spacing: -.02em; }
.about-numbers b span { font-size: 12px; color: var(--purple); margin-left: 1px; }
.about-numbers small { font-size: 11.5px; color: var(--muted); margin-top: 2px; }
.about-points { display: grid; gap: 14px; }
.point {
  display: flex; gap: 15px; padding: 22px;
  border-radius: 18px;
  background: linear-gradient(120deg, rgba(243, 240, 255, .95), rgba(255, 255, 255, .72));
  border: 1px solid #E7E2FA;
}
.point b {
  flex: none; width: 32px; height: 32px; border-radius: 9px; display: grid; place-items: center;
  font-size: 12px; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, var(--indigo), var(--purple));
}
.point strong { font-size: 15.5px; }
.point p { font-size: 13px; color: var(--muted); margin-top: 4px; }

.products-section {
  position: relative; overflow: hidden;
  background: linear-gradient(115deg, #F2EFFF 0%, #F6ECFF 50%, #FFEBF5 100%);
}
.products-section::before {
  content: ""; position: absolute; width: 440px; height: 440px; left: -120px; top: 20px;
  border-radius: 50%; filter: blur(46px);
  background: radial-gradient(circle, rgba(154, 79, 208, .30), rgba(154, 79, 208, 0) 68%);
}
.products-section::after {
  content: ""; position: absolute; width: 480px; height: 480px; right: -140px; bottom: -180px;
  border-radius: 50%; filter: blur(52px);
  background: radial-gradient(circle, rgba(227, 107, 176, .28), rgba(227, 107, 176, 0) 70%);
}
.products-section .wrap { position: relative; z-index: 2; }
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.glass-card {
  background-color: var(--glass);
  background-image: linear-gradient(150deg, rgba(255, 255, 255, .36), rgba(255, 255, 255, .04));
  border: 1px solid rgba(255, 255, 255, .46);
  border-radius: var(--radius);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 18px 44px rgba(42, 47, 143, .10), inset 0 1px 0 rgba(255, 255, 255, .44);
}
.product-card { padding: 26px 22px; transition: transform .18s ease, box-shadow .18s ease; }
.product-card:hover { transform: translateY(-5px); box-shadow: 0 26px 54px rgba(42, 47, 143, .16), inset 0 1px 0 rgba(255, 255, 255, .5); }
.product-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.product-icon {
  width: 44px; height: 44px; border-radius: 13px;
  display: grid; grid-template-columns: repeat(2, 7px); grid-template-rows: repeat(2, 7px);
  place-content: center; gap: 4px;
  background: linear-gradient(135deg, var(--indigo), var(--purple));
  box-shadow: 0 10px 22px rgba(64, 47, 150, .24);
}
.product-icon i { display: block; background: rgba(255, 255, 255, .88); border-radius: 2px; }
.product-card:nth-child(2) .product-icon { background: linear-gradient(135deg, #3A3FA8, #B55BC8); }
.product-card:nth-child(3) .product-icon { background: linear-gradient(135deg, #5A46B8, var(--pink)); }
.product-card:nth-child(4) .product-icon { background: linear-gradient(135deg, #7A3FB8, #E38FC9); }
.product-no { font-size: 11px; color: rgba(72, 78, 140, .66); letter-spacing: .08em; font-weight: 700; }
.product-card h3 { font-size: 18px; margin-bottom: 9px; color: var(--ink); }
.product-card p { font-size: 13px; color: var(--ink-2); min-height: 68px; }
.tag-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.tag {
  font-size: 11px; color: #4A3C8C; padding: 4px 10px; border-radius: 999px;
  background: rgba(255, 255, 255, .58); border: 1px solid rgba(42, 47, 143, .14);
}

.timeline {
  position: relative; display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 20px; margin-bottom: 52px;
}
.timeline::before {
  content: ""; position: absolute; left: 5%; right: 5%; top: 22px; height: 2px;
  background: linear-gradient(90deg, rgba(42, 47, 143, .18), rgba(154, 79, 208, .48), rgba(227, 107, 176, .18));
}
.timeline-step { position: relative; padding-right: 10px; }
.step-no {
  position: relative; z-index: 2; display: grid; place-items: center;
  width: 46px; height: 46px; border-radius: 50%; margin-bottom: 16px;
  font-size: 12.5px; font-weight: 800; color: var(--indigo); background: #fff;
  border: 1px solid #DCD5F5; box-shadow: 0 6px 18px rgba(42, 47, 143, .10);
}
.timeline-step b { font-size: 16px; display: block; }
.timeline-step p { font-size: 13px; color: var(--muted); margin-top: 5px; max-width: 230px; }
.deliverable {
  display: inline-block; margin-top: 11px; font-size: 11px; color: var(--purple);
  background: var(--lav); border-radius: 999px; padding: 4px 10px;
}
.strength-bottom {
  display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; align-items: center;
  padding-top: 40px; border-top: 1px solid var(--line);
}
.strength-copy h3 { font-size: 20px; }
.strength-copy p { margin-top: 8px; font-size: 13.5px; max-width: 430px; }
.delivery-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.delivery-metrics div {
  background: linear-gradient(140deg, #F6F3FF, #FDF0F8);
  border: 1px solid #E8E2FA; border-radius: 16px; padding: 20px 18px;
}
.delivery-metrics b { font-size: 26px; font-weight: 800; color: var(--indigo); letter-spacing: -.02em; }
.delivery-metrics b span { font-size: 12px; color: var(--purple); margin-left: 1px; }
.delivery-metrics small { display: block; font-size: 12px; color: var(--muted); margin-top: 2px; }

.quality-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.quality-card {
  display: flex; gap: 14px; align-items: flex-start; padding: 22px;
  background: #fff; border: 1px solid #E7E2F8; border-radius: 16px;
}
.quality-check {
  flex: none; width: 28px; height: 28px; border-radius: 50%;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--indigo), var(--purple));
  box-shadow: 0 6px 14px rgba(90, 60, 180, .22);
}
.quality-check::before { content: "✓"; color: #fff; font-size: 12px; font-weight: 800; }
.quality-card b { font-size: 16px; display: block; }
.quality-card span { font-size: 12.5px; color: var(--muted); margin-top: 3px; display: block; }

.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.case-card {
  position: relative; overflow: hidden; padding: 28px 24px;
  background: #fff; border: 1px solid #E7E2F8; border-radius: var(--radius);
}
.case-card::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: linear-gradient(90deg, var(--indigo), var(--purple), var(--pink));
}
.case-tag {
  display: inline-block; font-size: 11px; color: var(--purple); font-weight: 700;
  background: var(--lav); padding: 4px 10px; border-radius: 999px;
}
.case-card h3 { font-size: 17px; margin: 14px 0 8px; }
.case-card p { font-size: 13px; color: var(--muted); }
.case-metric {
  display: flex; align-items: baseline; gap: 8px;
  margin-top: 20px; padding-top: 16px; border-top: 1px dashed #DED8F2;
}
.case-metric b { font-size: 30px; font-weight: 800; color: var(--purple); letter-spacing: -.02em; }
.case-metric b span { font-size: 13px; }
.case-metric .metric-label { font-size: 12px; color: var(--muted); }

.contact-section {
  position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(125deg, #171C5C 0%, #2A2F8F 45%, #6B3AAE 78%, #9A4FD0 100%);
}
.contact-section::before {
  content: ""; position: absolute; width: 620px; height: 620px; right: -200px; top: -260px;
  border-radius: 50%; filter: blur(70px);
  background: radial-gradient(circle, rgba(227, 107, 176, .46), rgba(227, 107, 176, 0) 70%);
}
.contact-section::after {
  content: ""; position: absolute; width: 460px; height: 460px; left: -160px; bottom: -240px;
  border-radius: 50%; filter: blur(64px);
  background: radial-gradient(circle, rgba(154, 79, 208, .52), rgba(154, 79, 208, 0) 70%);
}
.contact-grid {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start;
}
.contact-section h2 { color: #fff; max-width: 480px; }
.contact-desc { color: rgba(255, 255, 255, .78); font-size: 14.5px; max-width: 460px; margin-top: 12px; }
.contact-info { display: grid; gap: 14px; margin-top: 30px; }
.contact-info div { display: flex; gap: 14px; font-size: 14px; }
.contact-info span { width: 46px; flex: none; color: #D9C9FF; }
.contact-info b { font-weight: 600; color: #fff; }
.contact-form {
  background-color: rgba(255, 255, 255, .94);
  background-image: linear-gradient(160deg, rgba(255, 255, 255, .96), rgba(255, 255, 255, .84));
  border: 1px solid rgba(255, 255, 255, .72);
  border-radius: var(--radius); padding: 30px;
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 30px 70px rgba(9, 11, 48, .40);
  display: grid; gap: 14px; color: var(--ink);
}
.contact-form label { display: grid; gap: 7px; font-size: 12.5px; color: var(--muted); font-weight: 600; }
.contact-form input, .contact-form textarea {
  width: 100%; border: 1px solid #E2DDF3; border-radius: 10px;
  padding: 11px 13px; font: inherit; font-size: 14px;
  background: rgba(255, 255, 255, .78); color: var(--ink); outline: none;
}
.contact-form input:focus, .contact-form textarea:focus {
  border-color: var(--purple); background: #fff;
  box-shadow: 0 0 0 3px rgba(154, 79, 208, .12);
}
.contact-form .btn-primary {
  width: 100%; border-radius: 10px; color: #fff;
  background: linear-gradient(100deg, var(--indigo), var(--purple));
  box-shadow: 0 12px 26px rgba(42, 47, 143, .26);
}
.contact-form .btn-primary:hover { background: linear-gradient(100deg, #343AA8, #A85AD8); }
.form-tip { font-size: 11.5px; color: var(--muted); text-align: center; }

.site-footer { background: var(--dark); color: #C9CCEB; padding: 46px 0 34px; }
.footer-inner { display: grid; grid-template-columns: 1.2fr 1fr auto; gap: 40px; align-items: start; }
.brand-footer .brand-text small { color: #8D92C4; }
.footer-desc { font-size: 12.5px; margin-top: 12px; max-width: 340px; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; font-size: 13px; }
.footer-links a:hover { color: #fff; }
.footer-meta { text-align: right; font-size: 12px; line-height: 1.9; }
.powered { color: #6E74A8; }

.toast {
  position: fixed; left: 50%; bottom: 34px; z-index: 50;
  transform: translate(-50%, 16px);
  background: linear-gradient(100deg, var(--indigo), var(--purple));
  color: #fff; padding: 12px 20px; border-radius: 999px; font-size: 13px;
  opacity: 0; pointer-events: none; transition: .25s ease;
  max-width: calc(100% - 40px); text-align: center;
  box-shadow: 0 16px 36px rgba(24, 27, 90, .34);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; gap: 44px; padding: 58px 0 76px; }
  .chat-panel { max-width: 560px; }
  .about-grid, .strength-bottom, .contact-grid { grid-template-columns: 1fr; gap: 38px; }
  .product-grid { grid-template-columns: 1fr 1fr; }
  .timeline { grid-template-columns: 1fr 1fr; gap: 30px 20px; }
  .timeline::before { display: none; }
  .quality-grid { grid-template-columns: 1fr 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .site-nav {
    display: none; position: absolute; top: 74px; left: 0; right: 0;
    background: rgba(252, 251, 255, .98);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    flex-direction: column; padding: 18px 24px; gap: 14px;
  }
  .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% - 36px); }
  .section { padding: 58px 0; }
  .header-inner { height: 66px; }
  .site-nav { top: 66px; }
  .hero-inner { padding: 44px 0 60px; gap: 38px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn-primary, .hero-actions .btn-ghost { width: 100%; }
  .hero-metrics { gap: 18px; }
  .hero-metrics b { font-size: 24px; }
  .chat-panel { padding: 16px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .about-numbers { grid-template-columns: 1fr 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .product-card p { min-height: 0; }
  .timeline { grid-template-columns: 1fr; }
  .delivery-metrics { grid-template-columns: 1fr; }
  .quality-grid { grid-template-columns: 1fr; }
  .contact-form { padding: 22px; }
  .footer-inner { gap: 22px; }
}