:root {
  --red: #d71920;
  --red-dark: #b80f15;
  --ink: #151922;
  --muted: #5d6678;
  --line: #e7eaf0;
  --bg: #f6f8fb;
  --panel: #ffffff;
  --blue: #1d5fd1;
  --green: #12805c;
  --shadow: 0 18px 50px rgba(21, 25, 34, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.nav {
  max-width: 1180px;
  height: 92px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.logo {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.logo img {
  width: 280px;
  max-width: 58vw;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
  color: #2f3644;
  font-size: 17px;
  font-weight: 700;
}

.nav-links > a,
.nav-trigger {
  line-height: 92px;
  border-bottom: 2px solid transparent;
}

.nav-links > a:hover,
.nav-links > a.active,
.nav-trigger:hover,
.nav-trigger.active,
.has-mega:hover .nav-trigger {
  color: var(--red);
  border-bottom-color: var(--red);
}

.nav-item {
  position: static;
}

.nav-trigger {
  padding: 0;
  border-left: 0;
  border-right: 0;
  border-top: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: default;
}

.chevron {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-left: 14px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-3px);
  transition: transform 0.16s ease;
}

.has-mega:hover .chevron {
  transform: rotate(225deg) translateY(-1px);
}

.mega-menu {
  position: absolute;
  left: 0;
  right: 0;
  top: 93px;
  z-index: 40;
  visibility: hidden;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s ease;
  background: #fff;
  box-shadow: 0 18px 42px rgba(21, 25, 34, 0.08);
  border-top: 1px solid var(--line);
}

.has-submenu {
  position: relative;
}

.submenu {
  position: absolute;
  top: calc(100% - 1px);
  left: 50%;
  min-width: 136px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 18px 42px rgba(21, 25, 34, 0.08);
  visibility: hidden;
  opacity: 0;
  transform: translate(-50%, -8px);
  transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s ease;
}

.has-submenu:hover .submenu,
.has-submenu:focus-within .submenu {
  visibility: visible;
  opacity: 1;
  transform: translate(-50%, 0);
}

.submenu a {
  display: block;
  padding: 12px 16px;
  border-radius: 4px;
  color: #2f3644;
  font-size: 15px;
  line-height: 1.2;
  white-space: nowrap;
}

.submenu a:hover,
.submenu a.active {
  background: #fff7f7;
  color: var(--red);
}

.has-mega:hover .mega-menu,
.has-mega:focus-within .mega-menu {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}

.mega-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 34px 24px 28px;
}

.mega-inner h2 {
  margin: 0;
  color: #273247;
  font-size: 24px;
  line-height: 1.4;
}

.mega-divider {
  height: 1px;
  margin: 18px 0 22px;
  background: var(--line);
}

.mega-section + .mega-section {
  margin-top: 24px;
}

.mega-section h3 {
  margin: 0 0 14px;
  color: #202633;
  font-size: 18px;
}

.mega-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px 46px;
}

.solution-mega-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mega-card {
  min-height: 92px;
  display: grid;
  grid-template-columns: 40px 1fr;
  grid-template-rows: auto auto;
  column-gap: 12px;
  align-content: start;
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid transparent;
}

.mega-card:hover,
.mega-card.active {
  background: #fff7f7;
  border-color: rgba(215, 25, 32, 0.12);
}

.mega-icon {
  grid-row: 1 / span 2;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  margin-top: 2px;
  border-radius: 6px;
  background: var(--red);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0;
}

.mega-card[href^="/home/qiyu/"] .mega-icon {
  position: relative;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: #fff1f1;
  color: var(--red);
  font-size: 0;
}

.mega-card[href^="/home/qiyu/"] .mega-icon::before {
  content: "";
  width: 20px;
  height: 20px;
  background: currentColor;
  -webkit-mask: var(--qiyu-menu-icon) center/contain no-repeat;
  mask: var(--qiyu-menu-icon) center/contain no-repeat;
}

.mega-card[href^="/home/qiyu/"]:hover .mega-icon,
.mega-card[href^="/home/qiyu/"].active .mega-icon {
  background: var(--red);
  color: #fff;
}

.mega-card[href="/home/qiyu/onlinekefu"] .mega-icon {
  --qiyu-menu-icon: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M4 5.5A3.5 3.5 0 0 1 7.5 2h9A3.5 3.5 0 0 1 20 5.5v5A3.5 3.5 0 0 1 16.5 14H11l-5 4v-4.2A3.5 3.5 0 0 1 4 10.5v-5Zm3.5-1A1.5 1.5 0 0 0 6 6v4.5A1.5 1.5 0 0 0 7.5 12H8v2l2.5-2h6A1.5 1.5 0 0 0 18 10.5V6a1.5 1.5 0 0 0-1.5-1.5h-9ZM8 7h8v2H8V7Z'/%3E%3Cpath d='M9 16h6v2H9v-2Zm2 3h2v2h-2v-2Z'/%3E%3C/svg%3E");
}

.mega-card[href="/home/qiyu/cloudcallcenter"] .mega-icon {
  --qiyu-menu-icon: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M7 3h10a3 3 0 0 1 3 3v8a3 3 0 0 1-3 3h-2v-2h2a1 1 0 0 0 1-1V6a1 1 0 0 0-1-1H7a1 1 0 0 0-1 1v8a1 1 0 0 0 1 1h2v2H7a3 3 0 0 1-3-3V6a3 3 0 0 1 3-3Z'/%3E%3Cpath d='M8 9a4 4 0 0 1 8 0v2h-2V9a2 2 0 0 0-4 0v2H8V9Zm1 6h6v2h-2v2h3v2H8v-2h3v-2H9v-2Z'/%3E%3C/svg%3E");
}

.mega-card[href="/home/qiyu/videoChat"] .mega-icon {
  --qiyu-menu-icon: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M5 5h9a3 3 0 0 1 3 3v1.1l3-2.1v10l-3-2.1V16a3 3 0 0 1-3 3H5a3 3 0 0 1-3-3V8a3 3 0 0 1 3-3Zm0 2a1 1 0 0 0-1 1v8a1 1 0 0 0 1 1h9a1 1 0 0 0 1-1V8a1 1 0 0 0-1-1H5Zm12 4.6v.8l1 .7v-2.2l-1 .7Z'/%3E%3Cpath d='M7 9h5v2H7V9Zm0 4h4v2H7v-2Z'/%3E%3C/svg%3E");
}

.mega-card[href="/home/qiyu/worksheet"] .mega-icon {
  --qiyu-menu-icon: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M8 2h8l4 4v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h2Zm1 2H6v16h12V8h-5a4 4 0 0 1-4-4Zm2 .4A2 2 0 0 0 13 6h3.6L11 4.4ZM8 11h8v2H8v-2Zm0 4h8v2H8v-2Z'/%3E%3C/svg%3E");
}

.mega-card[href="/home/qiyu/onlinerobot"] .mega-icon,
.mega-card[href="/home/qiyu/callinrobot"] .mega-icon {
  --qiyu-menu-icon: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 2h2v3h3a3 3 0 0 1 3 3v7a4 4 0 0 1-4 4H9a4 4 0 0 1-4-4V8a3 3 0 0 1 3-3h3V2ZM8 7a1 1 0 0 0-1 1v7a2 2 0 0 0 2 2h6a2 2 0 0 0 2-2V8a1 1 0 0 0-1-1H8Zm1 3.5a1.5 1.5 0 1 1 3 0 1.5 1.5 0 0 1-3 0Zm4 0a1.5 1.5 0 1 1 3 0 1.5 1.5 0 0 1-3 0ZM9 14h6v2H9v-2ZM3 10H1V8h2v2Zm20 0h-2V8h2v2Z'/%3E%3C/svg%3E");
}

.mega-card[href="/home/qiyu/outboundcallbot"] .mega-icon {
  --qiyu-menu-icon: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3 10h2v4H3v-4Zm4-3h2v10H7V7Zm4-4h2v18h-2V3Zm4 6h2v6h-2V9Zm4-3h2v12h-2V6Z'/%3E%3C/svg%3E");
}

.mega-card[href="/home/qiyu/aigc"] .mega-icon {
  --qiyu-menu-icon: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='m12 2 1.5 5.3L19 9l-5.5 1.7L12 16l-1.5-5.3L5 9l5.5-1.7L12 2Zm6 11 1 3 3 1-3 1-1 3-1-3-3-1 3-1 1-3ZM5 14l.8 2.2L8 17l-2.2.8L5 20l-.8-2.2L2 17l2.2-.8L5 14Z'/%3E%3C/svg%3E");
}

.mega-card[href="/home/qiyu/quality-inspection"] .mega-icon {
  --qiyu-menu-icon: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M12 2 4 5v6c0 5 3.4 9.4 8 11 4.6-1.6 8-6 8-11V5l-8-3Zm0 2.2 6 2.2V11c0 3.8-2.4 7.2-6 8.8-3.6-1.6-6-5-6-8.8V6.4l6-2.2Zm3.7 5.4 1.4 1.4-5.8 5.8-3.2-3.2 1.4-1.4 1.8 1.8 4.4-4.4Z'/%3E%3C/svg%3E");
}

.mega-card[href="/home/qiyu/customreport"] .mega-icon,
.mega-card[href="/home/qiyu/datascreen"] .mega-icon {
  --qiyu-menu-icon: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M4 4h16a2 2 0 0 1 2 2v11a2 2 0 0 1-2 2h-7v2h3v2H8v-2h3v-2H4a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2Zm0 2v11h16V6H4Zm3 7h2v2H7v-2Zm4-5h2v7h-2V8Zm4 3h2v4h-2v-4Z'/%3E%3C/svg%3E");
}

.mega-card[href="/home/qiyu/customer-voice"] .mega-icon {
  --qiyu-menu-icon: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M12 21.3 10.6 20C5.6 15.5 2 12.2 2 8.3A5.2 5.2 0 0 1 7.3 3c1.8 0 3.5.8 4.7 2.1A6.2 6.2 0 0 1 16.7 3 5.2 5.2 0 0 1 22 8.3c0 3.9-3.6 7.2-8.6 11.7L12 21.3ZM7.3 5A3.2 3.2 0 0 0 4 8.3c0 2.8 2.8 5.5 8 10.2 5.2-4.7 8-7.4 8-10.2A3.2 3.2 0 0 0 16.7 5c-1.4 0-2.7.9-3.2 2.1h-3A3.5 3.5 0 0 0 7.3 5Z'/%3E%3C/svg%3E");
}

.mega-card[href^="/home/product/"] .mega-icon {
  position: relative;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: #fff1f1;
  color: var(--red);
  font-size: 0;
}

.mega-card[href^="/home/product/"] .mega-icon::before {
  content: "";
  width: 20px;
  height: 20px;
  background: currentColor;
  -webkit-mask: var(--private-menu-icon) center/contain no-repeat;
  mask: var(--private-menu-icon) center/contain no-repeat;
}

.mega-card[href^="/home/product/"]:hover .mega-icon,
.mega-card[href^="/home/product/"].active .mega-icon {
  background: var(--red);
  color: #fff;
}

.mega-card[href="/home/product/ai-growth"] .mega-icon {
  --private-menu-icon: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M4 4h16v4H4V4Zm2 2v0h12V6H6Zm-2 5h7v9H4v-9Zm2 2v5h3v-5H6Zm7-2h7v9h-7v-9Zm2 2v5h3v-5h-3Z'/%3E%3Cpath d='M8 8h8v2H8V8Zm1 5h6v2H9v-2Zm1 3h4v2h-4v-2Z'/%3E%3C/svg%3E");
}

.mega-card[href="/home/product/ai-outcall"] .mega-icon,
.mega-card[href="/home/product/outcall-employee"] .mega-icon {
  --private-menu-icon: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3 10h2v4H3v-4Zm4-3h2v10H7V7Zm4-4h2v18h-2V3Zm4 6h2v6h-2V9Zm4-3h2v12h-2V6Z'/%3E%3C/svg%3E");
}

.mega-card[href="/home/product/scrm"] .mega-icon {
  --private-menu-icon: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M8 11a4 4 0 1 1 0-8 4 4 0 0 1 0 8Zm0-2a2 2 0 1 0 0-4 2 2 0 0 0 0 4Zm8.5 3a3.5 3.5 0 1 1 0-7 3.5 3.5 0 0 1 0 7Zm0-2a1.5 1.5 0 1 0 0-3 1.5 1.5 0 0 0 0 3ZM2 21a6 6 0 0 1 12 0h-2a4 4 0 0 0-8 0H2Zm12.5-1.5c.3-.8.7-1.5 1.3-2.1a4 4 0 0 1 6.2 3.4h-2a2 2 0 0 0-3.8-.8l-1.7-.5Z'/%3E%3C/svg%3E");
}

.mega-card[href="/home/product/qw-digital"] .mega-icon {
  --private-menu-icon: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M7 3h10a3 3 0 0 1 3 3v9a3 3 0 0 1-3 3h-4l-5 3v-3H7a3 3 0 0 1-3-3V6a3 3 0 0 1 3-3Zm0 2a1 1 0 0 0-1 1v9a1 1 0 0 0 1 1h3v1.5l2.4-1.5H17a1 1 0 0 0 1-1V6a1 1 0 0 0-1-1H7Zm2 4h6v2H9V9Zm0 3h4v2H9v-2Z'/%3E%3C/svg%3E");
}

.mega-card[href="/home/product/store-guide"] .mega-icon {
  --private-menu-icon: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M5 4h14l2 5v2a3 3 0 0 1-1 2.2V20a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2v-6.8A3 3 0 0 1 3 11V9l2-5Zm1.3 2L5 9v2a1 1 0 0 0 2 0V9h2v2a1 1 0 0 0 2 0V9h2v2a1 1 0 0 0 2 0V9h2v2a1 1 0 0 0 2 0V9l-1.3-3H6.3ZM6 14v6h12v-6a3 3 0 0 1-2-.8 3 3 0 0 1-4 0 3 3 0 0 1-4 0 3 3 0 0 1-2 .8Z'/%3E%3C/svg%3E");
}

.mega-card[href="/home/product/qw-diversion"] .mega-icon {
  --private-menu-icon: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M4 5h9a4 4 0 0 1 4 4v2h3l-4 5-4-5h3V9a2 2 0 0 0-2-2H4V5Zm0 6h6v2H4v-2Zm0 5h8v2H4v-2Z'/%3E%3C/svg%3E");
}

.mega-card[href="/home/product/loss-recall"] .mega-icon {
  --private-menu-icon: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M12 5a7 7 0 1 1-6.3 4H3.5A9 9 0 1 0 12 3v2ZM4 3v6h6V7H7.4A7 7 0 0 1 12 5V3a9 9 0 0 0-6 2.3V3H4Zm7 5h2v5h4v2h-6V8Z'/%3E%3C/svg%3E");
}

.mega-card strong {
  min-width: 0;
  color: #202633;
  font-size: 20px;
  line-height: 1.25;
}

.mega-card em {
  margin-top: 8px;
  color: #9aa1ad;
  font-style: normal;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.65;
}

.hot,
.new {
  display: inline-flex;
  align-items: center;
  height: 22px;
  margin-left: 8px;
  padding: 0 8px;
  border-radius: 10px;
  color: #fff;
  font-size: 12px;
  vertical-align: 2px;
}

.hot {
  background: #e45a42;
}

.new {
  background: #55bd7c;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 4px;
  background: var(--red);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  transition: 0.18s ease;
}

.btn:hover {
  background: var(--red-dark);
  transform: translateY(-1px);
}

.btn.secondary {
  background: #fff;
  color: var(--red);
  border-color: rgba(215, 25, 32, 0.3);
}

.btn.secondary:hover {
  background: #fff4f4;
}

.btn.ghost {
  color: var(--ink);
  background: #fff;
  border-color: var(--line);
}

.consult-float {
  position: fixed;
  right: 28px;
  bottom: 32px;
  z-index: 80;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 20px 0 14px;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  box-shadow: 0 16px 36px rgba(215, 25, 32, 0.28);
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.consult-float:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 42px rgba(215, 25, 32, 0.34);
}

.consult-float-icon {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
}

.consult-float-icon svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.btn.ghost:hover {
  background: #f7f9fc;
}

.product-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 20%, rgba(255, 220, 220, 0.78), transparent 28%),
    linear-gradient(180deg, #fff7f7 0%, #ffffff 62%, #f7f9fc 100%);
}

.product-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(215, 25, 32, 0.08) 1px, transparent 1px),
    linear-gradient(180deg, rgba(215, 25, 32, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 72%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  max-width: 1180px;
  min-height: 560px;
  margin: 0 auto;
  padding: 88px 24px 86px;
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 46px;
  align-items: center;
}

.hero-copy h1 {
  margin: 0;
  font-size: 50px;
  line-height: 1.16;
  letter-spacing: 0;
}

.hero-copy p {
  max-width: 560px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.85;
}

.product-kicker {
  margin: 0 0 16px !important;
  color: var(--red) !important;
  font-size: 18px !important;
  font-weight: 800;
}

.hero-console {
  min-width: 0;
}

.console-window {
  overflow: hidden;
  border: 1px solid rgba(215, 25, 32, 0.15);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 28px 70px rgba(119, 35, 40, 0.16);
}

.console-top {
  height: 46px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
  background: #fbfcff;
}

.console-top span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #f05a5f;
}

.console-top span:nth-child(2) {
  background: #f2b84b;
}

.console-top span:nth-child(3) {
  background: #42bf7f;
}

.console-top strong {
  margin-left: 8px;
  font-size: 14px;
}

.console-body {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) 150px;
  min-height: 330px;
}

.console-side,
.profile-panel {
  padding: 18px;
  background: #f8f9fc;
}

.console-side {
  display: grid;
  align-content: start;
  gap: 10px;
}

.console-side b,
.profile-panel b {
  margin-bottom: 8px;
}

.console-side span {
  padding: 10px 12px;
  border-radius: 4px;
  color: #596174;
  background: #fff;
}

.console-side .active {
  color: var(--red);
  background: #fff0f1;
}

.chat-panel {
  padding: 26px 22px;
  display: grid;
  align-content: start;
  gap: 16px;
  background: #fff;
}

.chat-row {
  max-width: 78%;
  padding: 12px 14px;
  border-radius: 8px;
  line-height: 1.6;
  font-size: 14px;
}

.chat-row.left {
  justify-self: start;
  background: #f1f3f7;
}

.chat-row.right {
  justify-self: end;
  color: #fff;
  background: var(--red);
}

.reply-tools {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.reply-tools span {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--muted);
  font-size: 13px;
}

.profile-panel p {
  margin: 12px 0;
  color: var(--muted);
  font-size: 14px;
}

.score {
  margin-top: 18px;
  padding: 12px;
  border-radius: 6px;
  color: var(--red);
  font-weight: 800;
  background: #fff2f2;
}

.section-center {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  margin-bottom: 36px;
  text-align: center;
}

.graphic-row {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: 46px;
  align-items: center;
  padding: 42px 0;
  border-bottom: 1px solid var(--line);
}

.graphic-row:last-child {
  border-bottom: 0;
}

.graphic-row.reverse > div:first-child {
  order: 2;
}

.graphic-row h3 {
  margin: 0 0 18px;
  font-size: 30px;
}

.graphic-row p {
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
  font-size: 16px;
}

.channel-board,
.dispatch-card,
.integration-map,
.monitor-card,
.workspace-demo,
.security-demo {
  min-height: 260px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #fff, #fbfcff);
  box-shadow: var(--shadow);
}

.channel-board {
  padding: 28px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  align-content: center;
}

.channel-board span {
  min-height: 62px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #fff3f3;
  color: #9b1116;
  font-weight: 800;
}

.dispatch-card {
  padding: 30px;
  display: grid;
  gap: 18px;
  align-content: center;
}

.dispatch-card div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  border-radius: 8px;
  background: #f8f9fc;
}

.dispatch-card span {
  color: var(--red);
  font-weight: 800;
}

.integration-map {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 14px;
  padding: 28px;
}

.integration-map strong,
.integration-map span {
  display: grid;
  place-items: center;
  border-radius: 8px;
}

.integration-map strong {
  grid-column: 2;
  grid-row: 2;
  color: #fff;
  background: var(--red);
  text-align: center;
}

.integration-map span {
  background: #f3f5f9;
  color: #384152;
  font-weight: 800;
}

.monitor-card {
  padding: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  align-items: center;
}

.monitor-card div {
  min-height: 150px;
  display: grid;
  place-items: center;
  text-align: center;
  border-radius: 8px;
  background: #f8f9fc;
}

.monitor-card strong {
  display: block;
  color: var(--red);
  font-size: 34px;
}

.monitor-card span {
  color: var(--muted);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.value-grid article {
  min-height: 300px;
  padding: 28px;
  border-radius: 8px;
  color: #fff;
  background:
    linear-gradient(145deg, rgba(21, 25, 34, 0.9), rgba(21, 25, 34, 0.62)),
    url("https://images.unsplash.com/photo-1553877522-43269d4ea984?auto=format&fit=crop&w=900&q=80") center/cover;
}

.value-grid article:nth-child(2) {
  background:
    linear-gradient(145deg, rgba(21, 25, 34, 0.88), rgba(118, 22, 28, 0.68)),
    url("https://images.unsplash.com/photo-1552664730-d307ca884978?auto=format&fit=crop&w=900&q=80") center/cover;
}

.value-grid article:nth-child(3) {
  background:
    linear-gradient(145deg, rgba(21, 25, 34, 0.9), rgba(21, 25, 34, 0.58)),
    url("https://images.unsplash.com/photo-1551288049-bebda4e38f71?auto=format&fit=crop&w=900&q=80") center/cover;
}

.value-icon {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  font-weight: 800;
}

.value-grid h3 {
  margin: 0 0 16px;
  font-size: 22px;
}

.value-grid p {
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.8;
}

.advantage-list {
  display: grid;
  gap: 26px;
}

.advantage-card {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(360px, 1.2fr);
  gap: 38px;
  align-items: center;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.advantage-card h3 {
  margin: 0 0 18px;
  font-size: 28px;
}

.advantage-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
}

.workspace-demo {
  min-height: 250px;
  display: grid;
  grid-template-columns: 120px 1fr;
  padding: 0;
  overflow: hidden;
}

.workspace-menu {
  background:
    linear-gradient(#f1f3f7 18px, transparent 18px) 22px 28px/72px 44px repeat-y,
    #f8f9fc;
}

.workspace-main {
  padding: 30px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  align-content: center;
}

.workspace-main span {
  height: 92px;
  border-radius: 8px;
  background: #f4f6fa;
}

.workspace-main b {
  grid-column: 1 / -1;
  color: var(--red);
}

.security-demo {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  align-items: center;
  padding: 28px;
}

.security-demo span {
  min-height: 120px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #f8f9fc;
  color: #384152;
  font-weight: 800;
}

.case-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 460px;
  gap: 34px;
  align-items: center;
  padding: 38px;
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.case-showcase h3 {
  margin: 0 0 16px;
  font-size: 30px;
  line-height: 1.35;
}

.case-showcase p {
  color: var(--muted);
  line-height: 1.85;
}

.case-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.case-metrics div {
  min-height: 150px;
  padding: 20px;
  border-radius: 8px;
  background: #fff5f5;
  text-align: center;
  display: grid;
  place-items: center;
}

.case-metrics strong {
  color: var(--red);
  font-size: 26px;
}

.case-metrics span {
  color: var(--muted);
  font-size: 14px;
}

.testimony-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 22px;
}

.testimony-grid article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.testimony-grid h3 {
  margin: 0 0 12px;
}

.testimony-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.assure-strip {
  padding: 32px 24px;
  background: #151922;
  color: #fff;
}

.assure-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.assure-inner div {
  padding: 22px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.assure-inner strong,
.assure-inner span {
  display: block;
}

.assure-inner span {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.62);
}

.hero {
  position: relative;
  min-height: 590px;
  overflow: hidden;
  background:
    linear-gradient(100deg, rgba(10, 14, 24, 0.9) 0%, rgba(21, 25, 34, 0.78) 48%, rgba(21, 25, 34, 0.3) 100%),
    url("https://images.unsplash.com/photo-1551434678-e076c223a692?auto=format&fit=crop&w=1800&q=80") center/cover;
}

.hero-inner {
  max-width: 1180px;
  min-height: 590px;
  margin: 0 auto;
  padding: 92px 24px 70px;
  display: grid;
  grid-template-columns: minmax(0, 620px) 1fr;
  align-items: center;
}

.eyebrow {
  color: #ffcccf;
  margin: 0 0 18px;
  font-size: 15px;
  font-weight: 700;
}

.hero h1 {
  margin: 0;
  color: #fff;
  font-size: 52px;
  line-height: 1.12;
  letter-spacing: 0;
}

.hero p {
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 34px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 48px;
  color: #fff;
}

.metric strong {
  display: block;
  font-size: 30px;
}

.metric span {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}

.section {
  padding: 76px 24px;
}

.section.white {
  background: #fff;
}

.section-inner {
  max-width: 1180px;
  margin: 0 auto;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}

.section-title {
  margin: 0;
  font-size: 34px;
  line-height: 1.25;
}

.section-desc {
  max-width: 560px;
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.grid {
  display: grid;
  gap: 20px;
}

.grid.cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature,
.solution,
.news-card,
.admin-panel,
.form-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.feature,
.solution,
.news-card {
  padding: 26px;
}

.icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #fff2f2;
  color: var(--red);
  font-weight: 800;
  margin-bottom: 18px;
}

.feature h3,
.solution h3,
.news-card h3 {
  margin: 0 0 12px;
  font-size: 20px;
}

.feature p,
.solution p,
.news-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.solution {
  min-height: 230px;
}

.band {
  background: #151922;
  color: #fff;
}

.band .section-desc,
.band .solution p {
  color: rgba(255, 255, 255, 0.7);
}

.band .solution {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: none;
}

.process {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  counter-reset: step;
}

.process-item {
  position: relative;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.process-item::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  color: var(--red);
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 16px;
}

.process-item h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.process-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.cta {
  padding: 58px 24px;
  background: linear-gradient(90deg, #d71920, #ee5b32);
  color: #fff;
}

.cta-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.cta h2 {
  margin: 0;
  font-size: 30px;
}

.cta p {
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.78);
}

.cta .btn {
  background: #fff;
  color: var(--red);
}

.footer {
  padding: 36px 24px;
  background: #0f1218;
  color: rgba(255, 255, 255, 0.68);
}

.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 24px;
  font-size: 14px;
}

.footer-icp {
  color: rgba(255, 255, 255, 0.68);
}

.footer-icp:hover {
  color: #fff;
}

.page-hero {
  padding: 78px 24px;
  color: #fff;
  background:
    linear-gradient(100deg, rgba(21, 25, 34, 0.9), rgba(21, 25, 34, 0.44)),
    url("https://images.unsplash.com/photo-1552664730-d307ca884978?auto=format&fit=crop&w=1800&q=80") center/cover;
}

.product-detail-hero {
  padding: 92px 24px;
  background:
    radial-gradient(circle at 82% 28%, rgba(215, 25, 32, 0.18), transparent 30%),
    linear-gradient(180deg, #fff7f7 0%, #fff 100%);
}

.product-detail-hero h1 {
  margin: 0;
  font-size: 46px;
}

.product-detail-hero p:not(.product-kicker) {
  max-width: 680px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.qiyu-hero {
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 28%, rgba(215, 25, 32, 0.2), transparent 28%),
    linear-gradient(180deg, #fff7f7 0%, #ffffff 100%);
}

.qiyu-hero-inner {
  max-width: 1180px;
  min-height: 520px;
  margin: 0 auto;
  padding: 72px 24px;
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(420px, 1.15fr);
  gap: 50px;
  align-items: center;
}

.qiyu-hero-copy h1 {
  margin: 0;
  font-size: 48px;
  line-height: 1.18;
}

.qiyu-hero-copy p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.75;
}

.hero-lead {
  display: flex;
  max-width: 520px;
  margin-top: 32px;
  padding: 8px;
  border: 1px solid rgba(215, 25, 32, 0.18);
  border-radius: 6px;
  background: #fff;
  box-shadow: var(--shadow);
}

.hero-lead input {
  min-width: 0;
  flex: 1;
  border: 0;
  padding: 0 14px;
  outline: 0;
}

.qiyu-visual {
  min-height: 330px;
  border-radius: 10px;
  border: 1px solid rgba(215, 25, 32, 0.14);
  background: #fff;
  box-shadow: 0 28px 70px rgba(119, 35, 40, 0.16);
}

.online-visual {
  padding: 34px;
  display: grid;
  place-items: center;
}

.mini-window {
  width: 100%;
  min-height: 260px;
  padding: 28px;
  border-radius: 8px;
  background:
    linear-gradient(#f4f6fa 18px, transparent 18px) 28px 84px/68% 54px repeat-y,
    linear-gradient(90deg, #fff 0 70%, #f8f9fc 70% 100%);
}

.mini-window b {
  display: block;
  margin-bottom: 34px;
  color: var(--red);
  font-size: 20px;
}

.mini-window p {
  width: 56%;
  margin: 18px 0;
  padding: 12px;
  border-radius: 6px;
  background: #fff2f2;
}

.call-visual {
  padding: 32px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  align-items: center;
}

.call-visual div {
  min-height: 210px;
  display: grid;
  place-items: center;
  text-align: center;
  border-radius: 8px;
  background: #f8f9fc;
}

.call-visual strong,
.call-visual span {
  display: block;
}

.call-visual strong {
  color: var(--red);
  font-size: 34px;
}

.call-visual span {
  color: var(--muted);
}

.video-visual {
  padding: 30px;
  display: grid;
  gap: 18px;
}

.video-frame {
  min-height: 230px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(21, 25, 34, 0.82), rgba(215, 25, 32, 0.62)),
    url("https://images.unsplash.com/photo-1600880292203-757bb62b4baf?auto=format&fit=crop&w=900&q=80") center/cover;
}

.video-frame strong {
  font-size: 26px;
}

.video-tools {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.video-tools span {
  min-height: 60px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  background: #f8f9fc;
  color: var(--red);
  font-weight: 800;
}

.qiyu-section {
  padding: 78px 24px;
}

.qiyu-section.white {
  background: #fff;
}

.qiyu-section.gray {
  background: #f6f8fb;
}

.qiyu-title {
  margin: 0 0 28px;
  text-align: center;
  font-size: 34px;
}

.qiyu-subtitle {
  max-width: 760px;
  margin: -12px auto 34px;
  text-align: center;
  color: var(--muted);
  line-height: 1.8;
}

.scene-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: 40px;
  align-items: center;
}

.scene-tabs {
  display: grid;
  gap: 16px;
}

.scene-tabs article {
  padding: 22px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
}

.scene-tabs article.active {
  border-color: rgba(215, 25, 32, 0.22);
  box-shadow: var(--shadow);
}

.scene-tabs h3 {
  margin: 0 0 10px;
  font-size: 22px;
}

.scene-tabs p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.scene-tabs span {
  display: block;
  width: 80px;
  height: 3px;
  margin-top: 18px;
  background: var(--red);
}

.scene-preview {
  min-height: 360px;
  padding: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  align-items: end;
  border-radius: 8px;
  background: linear-gradient(180deg, #fff, #f7f9fc);
  box-shadow: var(--shadow);
}

.scene-preview div {
  border-radius: 8px 8px 0 0;
  background: #f2d7d9;
}

.scene-preview div:nth-child(1) {
  height: 45%;
}

.scene-preview div:nth-child(2) {
  height: 72%;
  background: var(--red);
}

.scene-preview div:nth-child(3) {
  height: 58%;
}

.center-line {
  margin: 34px 0 0;
  text-align: center;
}

.feature-flow {
  display: grid;
  gap: 28px;
}

.feature-flow article {
  display: grid;
  grid-template-columns: minmax(420px, 1.05fr) minmax(0, 0.95fr);
  gap: 44px;
  align-items: center;
  padding: 34px;
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.feature-flow article.reverse .feature-art {
  order: 2;
}

.feature-art {
  min-height: 290px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(215, 25, 32, 0.12), rgba(255, 255, 255, 0.8)),
    repeating-linear-gradient(90deg, #f7f9fc 0 18px, #fff 18px 36px);
}

.feature-art span {
  width: 96px;
  height: 96px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--red);
  font-size: 32px;
  font-weight: 800;
}

.feature-flow h3 {
  margin: 0 0 18px;
  font-size: 30px;
}

.feature-flow p {
  margin: 0 0 24px;
  color: var(--muted);
  line-height: 1.9;
}

.qiyu-value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}

.qiyu-value-grid article {
  min-height: 220px;
  padding: 26px;
  border-radius: 8px;
  color: #fff;
  background: linear-gradient(145deg, #202633, #7f1d22);
}

.qiyu-value-grid h3 {
  margin: 0 0 16px;
  font-size: 22px;
}

.qiyu-value-grid p {
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.8;
}

.qiyu-adv-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.qiyu-adv-grid article {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 22px;
  min-height: 190px;
  padding: 28px;
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.qiyu-adv-grid span {
  width: 72px;
  height: 72px;
  border-radius: 14px;
  background: #fff1f1;
}

.qiyu-adv-grid h3 {
  margin: 0 0 12px;
  font-size: 24px;
}

.qiyu-adv-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.qiyu-case-section {
  background: #fff;
}

.qiyu-case-list {
  display: grid;
  gap: 24px;
}

.qiyu-case-card {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) 460px;
  gap: 24px;
  min-height: 300px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 12px 32px -12px rgba(26, 34, 51, 0.16);
}

.qiyu-case-copy {
  position: relative;
  padding: 20px 24px 58px;
}

.qiyu-case-logo {
  max-width: 150px;
  height: 54px;
  object-fit: contain;
  object-position: left center;
}

.qiyu-case-card h3 {
  margin: 24px 0 0;
  color: #676b73;
  font-size: 18px;
  line-height: 1.7;
  font-weight: 400;
}

.qiyu-case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.qiyu-case-tags span {
  padding: 4px 10px;
  border-radius: 3px;
  background: #f0f0f1;
  color: #676b73;
  font-size: 13px;
  line-height: 1.4;
}

.qiyu-case-tags .industry {
  background: #fff1f0;
  color: var(--red);
}

.qiyu-case-link {
  position: absolute;
  left: 24px;
  bottom: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 128px;
  height: 40px;
  padding: 0 20px;
  border-radius: 999px;
  background: #1a2233;
  color: #fff;
  font-size: 15px;
  font-weight: 700;
}

.qiyu-case-link span {
  transition: transform 0.18s ease;
}

.qiyu-case-link:hover span {
  transform: translateX(4px);
}

.qiyu-case-img {
  width: 100%;
  height: 268px;
  border-radius: 8px;
  object-fit: cover;
  background: #f5f6fa;
}

.qiyu-logo-wall-section {
  margin-top: 64px;
  text-align: center;
}

.qiyu-logo-wall-section h3 {
  margin: 0 0 28px;
  color: #1a2233;
  font-size: 32px;
  line-height: 1.5;
}

.qiyu-logo-wall {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  background: #fff;
}

.qiyu-logo-wall span {
  min-height: 82px;
  display: grid;
  place-items: center;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: #1a2233;
  font-size: 18px;
  font-weight: 700;
  background: #fff;
}

.qiyu-logo-wall .logo-wall-card {
  padding: 16px 22px;
}

.qiyu-logo-wall img,
.pd-logo-wall img {
  display: block;
  width: 100%;
  max-width: 132px;
  max-height: 42px;
  object-fit: contain;
  filter: grayscale(1);
  opacity: 0.82;
  transition: filter 0.18s ease, opacity 0.18s ease, transform 0.18s ease;
}

.qiyu-logo-wall span:hover img,
.pd-logo-wall span:hover img {
  filter: grayscale(0);
  opacity: 1;
  transform: translateY(-1px);
}

.outcall-hero {
  background: linear-gradient(180deg, #e5efff 0%, #f7fbff 72%, #fff 100%);
}

.outcall-hero-inner {
  min-height: 560px;
}

.outcall-hero .qiyu-hero-copy h1 {
  font-size: 54px;
}

.outcall-hero .qiyu-hero-copy p {
  color: #313d52;
}

.outcall-hero-visual {
  min-height: 390px;
  display: grid;
  place-items: center;
}

.outcall-hero-visual img {
  width: min(100%, 700px);
  max-height: 440px;
  object-fit: contain;
}

.outcall-experience-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.outcall-experience-grid article {
  min-height: 350px;
  padding: 30px 28px;
  border: 1px solid #edf0f6;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 14px 38px rgba(21, 25, 34, 0.06);
}

.outcall-experience-grid img {
  width: 92px;
  height: 92px;
  object-fit: contain;
}

.outcall-experience-grid h3 {
  margin: 24px 0 14px;
  font-size: 24px;
}

.outcall-experience-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
}

.outcall-case-feature {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(460px, 1.18fr);
  gap: 26px;
  min-height: 390px;
  padding: 30px;
  border-radius: 10px;
  background: #fff;
  box-shadow: var(--shadow);
}

.outcall-case-copy {
  display: grid;
  align-content: center;
  gap: 20px;
}

.outcall-case-copy strong {
  font-size: 30px;
}

.outcall-case-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.85;
}

.outcall-case-feature > img {
  width: 100%;
  height: 330px;
  border-radius: 8px;
  object-fit: cover;
}

.outcall-metrics,
.outcall-small-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.outcall-metrics span,
.outcall-small-metrics span {
  min-width: 112px;
  padding: 12px 14px;
  border-radius: 6px;
  background: #fff5f5;
}

.outcall-metrics b,
.outcall-small-metrics b {
  display: block;
  color: var(--red);
  font-size: 28px;
  line-height: 1.15;
}

.outcall-metrics em,
.outcall-small-metrics em {
  display: block;
  margin-top: 6px;
  color: #687083;
  font-style: normal;
  font-size: 13px;
}

.outcall-case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 24px;
}

.outcall-case-grid article {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 28px rgba(21, 25, 34, 0.06);
}

.outcall-case-img {
  height: 168px;
  background: #f1f4f9 center/cover no-repeat;
}

.outcall-case-body {
  padding: 22px;
}

.outcall-case-body h3 {
  margin: 0 0 10px;
  font-size: 21px;
}

.outcall-case-body p {
  min-height: 78px;
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.65;
}

.outcall-small-metrics {
  gap: 10px;
}

.outcall-small-metrics span {
  min-width: 82px;
  padding: 9px 10px;
}

.outcall-small-metrics b {
  font-size: 20px;
}

.outcall-demo {
  background: #0f172a center/cover no-repeat;
}

.outcall-demo-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 48px;
  align-items: center;
}

.outcall-video h2 {
  margin: 0 0 26px;
  color: #fff;
  font-size: 34px;
}

.outcall-video-frame {
  min-height: 340px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.12) center/cover no-repeat;
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.2);
}

.outcall-video-frame img {
  width: 76px;
  height: 76px;
  object-fit: contain;
}

.outcall-recording {
  width: 100%;
  min-height: 340px;
  display: block;
  background: #101827;
  object-fit: contain;
}

.outcall-demo-form {
  display: grid;
  gap: 16px;
  padding: 30px;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.16);
}

.outcall-demo-form h3 {
  margin: 0 0 6px;
  font-size: 22px;
}

.outcall-demo-form input,
.outcall-demo-form select {
  width: 100%;
  height: 48px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: #2f3644;
  background: #fff;
  outline: 0;
}

.outcall-feature-panel {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 28px;
  align-items: stretch;
}

.outcall-feature-tabs {
  display: grid;
  gap: 14px;
}

.outcall-feature-tabs article {
  min-height: 86px;
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: center;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.outcall-feature-tabs article.active {
  color: var(--red);
  border-color: rgba(215, 25, 32, 0.28);
  box-shadow: var(--shadow);
}

.outcall-feature-tabs img {
  width: 38px;
  height: 38px;
  object-fit: contain;
}

.outcall-feature-tabs span {
  font-size: 18px;
  font-weight: 800;
}

.outcall-feature-slides {
  padding: 34px;
  border-radius: 10px;
  background: #fff;
  box-shadow: var(--shadow);
}

.outcall-feature-slides article {
  display: none;
}

.outcall-feature-slides article.active {
  display: grid;
  gap: 22px;
}

.outcall-feature-slides img {
  width: 100%;
  max-height: 440px;
  object-fit: contain;
}

.outcall-feature-slides p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
  text-align: center;
}

.outcall-intro-list .section-inner {
  display: grid;
  gap: 42px;
}

.outcall-intro-list article {
  display: grid;
  justify-items: center;
  gap: 24px;
  padding: 44px 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.outcall-intro-list h2 {
  margin: 0;
  text-align: center;
  font-size: 32px;
}

.outcall-intro-list img {
  width: 100%;
  max-width: 960px;
  object-fit: contain;
}

.outcall-logo-wall-section {
  margin-top: 0;
}

.outcall-logo-wall {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.page-hero .section-inner {
  max-width: 1180px;
}

.page-hero h1 {
  margin: 0;
  font-size: 42px;
}

.page-hero p {
  max-width: 660px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.8;
}

.articles-page {
  background: #fff;
}

.articles-page-banner {
  min-height: 360px;
  display: flex;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.84) 48%, rgba(255, 255, 255, 0.32) 100%),
    url("https://res.qiyukf.net/storage/8c812d63-5182-4597-9363-0cbefa55cc2d.png") right center/auto 100% no-repeat,
    linear-gradient(135deg, #fff6f6 0%, #f7f9ff 100%);
}

.articles-page-banner-inner {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 72px 24px;
}

.articles-page-banner h1 {
  margin: 0;
  color: #181b24;
  font-size: 46px;
  line-height: 1.35;
  font-weight: 700;
}

.articles-page-section {
  padding: 64px 24px 88px;
}

.articles-page-list {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: 30px;
  row-gap: 48px;
}

.articles-page-item {
  display: block;
  min-width: 0;
  color: #222733;
  background: #fff;
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease;
}

.articles-page-item:hover {
  transform: translateY(-4px);
}

.articles-page-item-img {
  display: block;
  width: 100%;
  aspect-ratio: 360 / 202;
  object-fit: cover;
  border-radius: 2px;
  background: #eef1f6;
}

.articles-page-item-date {
  margin-top: 18px;
  color: #8a92a3;
  font-size: 14px;
  line-height: 1;
}

.articles-page-item-date span {
  display: inline-block;
  margin: 0 8px;
  color: #d4d8e0;
}

.articles-page-item-title {
  min-height: 56px;
  margin-top: 12px;
  color: #1f2430;
  font-size: 18px;
  line-height: 1.55;
  font-weight: 700;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.articles-page-item-summary {
  min-height: 48px;
  margin: 8px 0 0;
  color: #667085;
  font-size: 14px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.articles-page-item-jump {
  margin-top: 18px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--red);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

.articles-page-item-jump span {
  margin-left: 8px;
  transition: margin-left 0.2s ease;
}

.articles-page-item:hover .articles-page-item-jump span {
  margin-left: 12px;
}

.articles-page-item-content {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: #667085;
  font-size: 14px;
  line-height: 1.75;
}

.articles-page-item-content[hidden] {
  display: none;
}

.contact-page {
  background: #fff;
}

.contact-hero {
  padding: 86px 24px;
  background:
    radial-gradient(circle at 80% 24%, rgba(215, 25, 32, 0.14), transparent 28%),
    linear-gradient(180deg, #fff7f7 0%, #fff 100%);
}

.contact-hero h1 {
  margin: 0;
  color: #181b24;
  font-size: 46px;
  line-height: 1.25;
}

.contact-hero p {
  max-width: 620px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.contact-section {
  padding: 66px 24px 90px;
}

.contact-panel {
  max-width: 980px;
  margin: 0 auto;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.contact-panel h2 {
  margin: 0 0 26px;
  font-size: 28px;
}

.contact-list {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  row-gap: 18px;
  column-gap: 22px;
  margin: 0;
}

.contact-list dt {
  color: #8a92a3;
  font-weight: 700;
}

.contact-list dd {
  margin: 0;
  color: #202633;
  line-height: 1.7;
}

.contact-list a {
  color: var(--red);
}

.lead-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 34px;
  align-items: start;
}

.form-panel,
.admin-panel {
  padding: 28px;
}

.form-grid {
  display: grid;
  gap: 18px;
}

.field label {
  display: block;
  margin-bottom: 8px;
  color: #333a48;
  font-weight: 700;
}

.field input,
.field textarea {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid #cfd5df;
  border-radius: 4px;
  background: #fff;
}

.field textarea {
  min-height: 130px;
  resize: vertical;
}

.message {
  min-height: 22px;
  margin: 14px 0 0;
  color: var(--muted);
}

.message.ok {
  color: var(--green);
}

.message.error {
  color: var(--red);
}

.benefit-list {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.benefit-list div {
  padding: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.benefit-list strong {
  display: block;
  margin-bottom: 8px;
}

.benefit-list p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.admin-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 34px 24px 80px;
}

.admin-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

.tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
}

.tab {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 4px;
  padding: 10px 18px;
  cursor: pointer;
}

.tab.active {
  border-color: var(--red);
  color: var(--red);
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

th,
td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  font-size: 14px;
}

th {
  color: #343b49;
  background: #f8f9fb;
}

.hidden {
  display: none !important;
}

.news-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.small-btn {
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  cursor: pointer;
}

.small-btn.danger {
  color: var(--red);
}

.sol-hero {
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 22%, rgba(215, 25, 32, 0.14), transparent 30%),
    linear-gradient(180deg, #fff6f6 0%, #fff 100%);
}

.sol-hero-inner {
  max-width: 1180px;
  min-height: 500px;
  margin: 0 auto;
  padding: 66px 24px;
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(420px, 1.18fr);
  gap: 40px;
  align-items: center;
}

.sol-hero h1 {
  margin: 0;
  font-size: 48px;
  line-height: 1.18;
}

.sol-hero p:not(.product-kicker) {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.8;
}

.sol-hero .btn {
  margin-top: 34px;
}

.sol-hero img {
  width: min(600px, 100%);
  justify-self: end;
}

.sol-logo-wall {
  padding: 34px 24px;
  background: #fff;
}

.sol-logo-wall .section-inner {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}

.sol-logo-wall article {
  height: 86px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.sol-logo-wall img {
  max-width: 78%;
  max-height: 46px;
}

.sol-pain-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.sol-pain-grid article {
  min-height: 315px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background-size: cover;
  background-position: center bottom;
  box-shadow: var(--shadow);
}

.sol-pain-grid img {
  width: 56px;
  height: 56px;
  object-fit: contain;
}

.sol-pain-grid h3 {
  margin: 22px 0 12px;
  font-size: 22px;
}

.sol-pain-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.sol-plan {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  gap: 36px;
  align-items: center;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.sol-plan > img {
  width: 100%;
  border-radius: 8px;
}

.sol-plan h3 {
  margin: 0 0 18px;
  font-size: 26px;
}

.sol-sku-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.sol-sku-list a {
  padding: 14px 16px;
  border: 1px solid rgba(215, 25, 32, 0.18);
  border-radius: 6px;
  background: #fff8f8;
  color: var(--red);
  font-weight: 800;
}

.sol-detail-flow {
  display: grid;
  gap: 28px;
}

.sol-detail-flow article {
  display: grid;
  grid-template-columns: minmax(420px, 1.05fr) minmax(0, 0.95fr);
  gap: 42px;
  align-items: center;
  padding: 34px;
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.sol-detail-flow article.reverse > img {
  order: 2;
}

.sol-detail-flow img {
  width: 100%;
  border-radius: 8px;
}

.sol-detail-flow h3 {
  margin: 0 0 24px;
  font-size: 30px;
}

.sol-detail-flow section {
  margin-bottom: 20px;
}

.sol-detail-flow h4 {
  margin: 0 0 8px;
  font-size: 20px;
}

.sol-detail-flow p {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
}

.sol-adv-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.sol-adv-grid article {
  min-height: 235px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.sol-adv-grid img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.sol-adv-grid h3 {
  margin: 18px 0 12px;
  font-size: 20px;
}

.sol-adv-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.sol-case {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: 38px;
  align-items: center;
  padding: 34px;
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.sol-case > img {
  width: 100%;
  border-radius: 8px;
}

.sol-case-logo {
  max-width: 180px;
  max-height: 68px;
  object-fit: contain;
}

.sol-case p {
  color: var(--muted);
  line-height: 1.9;
}

.sol-case-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.sol-case-metrics span {
  padding: 18px;
  border-radius: 8px;
  background: #fff7f7;
  color: var(--muted);
}

.sol-case-metrics strong {
  display: block;
  color: var(--red);
  font-size: 26px;
}

.sol-more-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.sol-more-grid article {
  min-height: 250px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.sol-more-grid img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.sol-more-grid h3 {
  margin: 18px 0 10px;
  font-size: 20px;
}

.sol-more-grid p {
  min-height: 78px;
  margin: 0 0 16px;
  color: var(--muted);
  line-height: 1.65;
}

.sol-more-grid a {
  color: var(--red);
  font-weight: 800;
}

.customer-hero {
  height: 300px;
  display: grid;
  align-items: end;
  background:
    linear-gradient(90deg, rgba(20, 24, 34, 0.9), rgba(20, 24, 34, 0.42)),
    url("https://res.qiyukf.net/storage/11812510-8b8b-4e25-92ea-6a8756dc2cdd.png") center/cover;
}

.customer-hero-inner {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px 58px;
}

.customer-hero h1 {
  margin: 0;
  color: #fff;
  font-size: 46px;
}

.customer-carousel,
.customer-section {
  padding: 72px 24px;
}

.customer-carousel {
  background: #fff;
}

.customer-section {
  background: #f6f8fb;
}

.customer-section.white {
  background: #fff;
}

.customer-trust-section {
  padding-top: 40px;
}

.customer-trust-section .customer-title {
  margin-bottom: 20px;
}

.customer-title {
  margin: 0 0 34px;
  text-align: center;
  font-size: 34px;
  line-height: 1.3;
}

.customer-feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 24px;
}

.customer-feature-grid article {
  min-height: 330px;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(240px, 1.1fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.customer-feature-grid article.large {
  grid-row: span 2;
  min-height: 684px;
  grid-template-columns: 1fr;
}

.customer-feature-copy {
  padding: 32px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.customer-feature-copy > img {
  max-width: 160px;
  max-height: 54px;
  object-fit: contain;
  margin-bottom: 24px;
}

.customer-feature-copy h2 {
  margin: 0;
  font-size: 25px;
  line-height: 1.45;
}

.customer-feature-grid article:not(.large) .customer-feature-copy h2 {
  font-size: 20px;
}

.customer-feature-copy .btn {
  margin-top: 24px;
}

.customer-feature-img {
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
}

.customer-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.customer-tags span {
  padding: 5px 10px;
  border-radius: 4px;
  background: #eef4ff;
  color: #2e64c5;
  font-size: 13px;
  font-weight: 700;
}

.customer-tags .industry {
  background: #fff1f1;
  color: var(--red);
}

.customer-card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
}

.customer-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.customer-card-img {
  height: 168px;
  background-size: cover;
  background-position: center;
}

.customer-card-content {
  min-height: 260px;
  padding: 22px;
}

.customer-card-content > img {
  max-width: 120px;
  max-height: 38px;
  object-fit: contain;
}

.customer-card-content h3 {
  margin: 18px 0 10px;
  font-size: 20px;
}

.customer-card-content p {
  min-height: 78px;
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.customer-story-link {
  display: inline-flex;
  margin-top: 16px;
  color: var(--red);
  font-weight: 800;
}

.customer-trust-panel {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 40px;
  width: 1200px;
  max-width: 100%;
  min-height: 360px;
  margin: 20px auto 0;
}

.customer-trust-tabs {
  display: grid;
  align-content: start;
  gap: 0;
}

.customer-trust-tabs button {
  min-height: 38px;
  padding: 8px 24px 8px 0;
  border: 0;
  border-right: 2px solid transparent;
  border-radius: 0;
  background: #fff;
  color: #676b73;
  font-size: 16px;
  line-height: 22px;
  text-align: left;
  cursor: pointer;
  white-space: normal;
}

.customer-trust-tabs button.active,
.customer-trust-tabs button:hover {
  border-right-color: var(--red);
  background: #fff;
  color: var(--red);
  font-weight: 800;
}

.customer-trust-preview {
  width: 1000px;
  max-width: 100%;
  min-height: 360px;
  border-radius: 8px;
  background-size: cover;
  background-position: center;
  box-shadow: none;
}

.home-customer-grid {
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
}

.customer-detail-hero {
  padding: 72px 24px;
  background:
    radial-gradient(circle at 82% 24%, rgba(215, 25, 32, 0.16), transparent 30%),
    linear-gradient(180deg, #fff7f7 0%, #fff 100%);
}

.customer-back {
  display: inline-flex;
  margin-bottom: 24px;
  color: var(--red);
  font-weight: 800;
}

.customer-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  gap: 42px;
  align-items: center;
}

.customer-detail-logo {
  max-width: 180px;
  max-height: 64px;
  object-fit: contain;
  margin-bottom: 24px;
}

.customer-detail-grid h1 {
  margin: 0;
  font-size: 44px;
}

.customer-detail-grid p {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.8;
}

.customer-detail-grid > img {
  width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.customer-story-body {
  max-width: 860px;
  margin: 0 auto;
}

.customer-story-body h2 {
  margin: 34px 0 14px;
  font-size: 28px;
}

.customer-story-body h2:first-child {
  margin-top: 0;
}

.customer-story-body p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.9;
}

@media (max-width: 920px) {
  .site-header {
    height: auto;
  }

  .nav {
    min-height: 72px;
    flex-wrap: wrap;
    gap: 12px;
    padding-bottom: 14px;
  }

  .nav-links {
    order: 3;
    width: 100%;
    overflow-x: auto;
    gap: 18px;
    margin-left: 0;
  }

  .nav-links > a,
  .nav-trigger {
    line-height: 36px;
    white-space: nowrap;
  }

  .mega-menu {
    top: 118px;
    max-height: calc(100vh - 118px);
    overflow: auto;
  }

  .submenu {
    left: 0;
    transform: translate(0, -8px);
  }

  .has-submenu:hover .submenu,
  .has-submenu:focus-within .submenu {
    transform: translate(0, 0);
  }

  .mega-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .mega-card strong {
    font-size: 17px;
  }

  .mega-card em {
    font-size: 13px;
  }

  .hero-inner,
  .lead-layout,
  .hero-grid,
  .graphic-row,
  .advantage-card,
  .case-showcase,
  .qiyu-hero-inner,
  .scene-layout,
  .feature-flow article,
  .qiyu-case-card,
  .sol-hero-inner,
  .sol-plan,
  .sol-detail-flow article,
  .sol-case,
  .customer-feature-grid,
  .customer-feature-grid article,
  .outcall-case-feature,
  .outcall-demo-inner,
  .outcall-feature-panel {
    grid-template-columns: 1fr;
  }

  .graphic-row.reverse > div:first-child {
    order: 0;
  }

  .console-body {
    grid-template-columns: 1fr;
  }

  .profile-panel,
  .console-side {
    display: none;
  }

  .hero h1 {
    font-size: 38px;
  }

  .hero-copy h1 {
    font-size: 40px;
  }

  .grid.cols-3,
  .grid.cols-4,
  .process,
  .value-grid,
  .testimony-grid,
  .assure-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-metrics,
  .monitor-card,
  .security-demo {
    grid-template-columns: 1fr;
  }

  .feature-flow article.reverse .feature-art {
    order: 0;
  }

  .qiyu-adv-grid {
    grid-template-columns: 1fr;
  }

  .sol-logo-wall .section-inner,
  .sol-pain-grid,
  .sol-adv-grid,
  .sol-more-grid,
  .customer-card-grid,
  .articles-page-list,
  .qiyu-logo-wall,
  .outcall-experience-grid,
  .outcall-case-grid,
  .outcall-logo-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .outcall-case-feature > img {
    height: 260px;
  }

  .outcall-feature-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .customer-trust-panel {
    grid-template-columns: 1fr;
  }

  .customer-trust-tabs {
    display: flex;
    overflow-x: auto;
    gap: 0;
  }

  .customer-trust-tabs button {
    flex: 0 0 auto;
    min-width: 112px;
    padding-right: 18px;
    border-right: 0;
    border-bottom: 2px solid transparent;
  }

  .customer-trust-tabs button.active,
  .customer-trust-tabs button:hover {
    border-bottom-color: var(--red);
  }

  .customer-feature-grid article.large {
    min-height: 0;
  }

  .sol-detail-flow article.reverse > img {
    order: 0;
  }

  .cta-inner,
  .footer-inner,
  .section-head {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 620px) {
  .nav-actions {
    width: 100%;
  }

  .nav-actions .btn {
    width: 100%;
  }

  .mega-menu {
    top: 164px;
  }

  .mega-grid {
    grid-template-columns: 1fr;
  }

  .mega-inner {
    padding: 24px 18px;
  }

  .hero {
    min-height: 640px;
  }

  .hero-inner {
    min-height: 640px;
    padding-top: 64px;
  }

  .hero-actions,
  .hero-metrics {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .hero-actions .btn,
  .section-center .btn {
    width: 100%;
  }

  .grid.cols-3,
  .grid.cols-4,
  .process,
  .value-grid,
  .testimony-grid,
  .assure-inner,
  .channel-board,
  .sol-logo-wall .section-inner,
  .sol-pain-grid,
  .sol-sku-list,
  .sol-adv-grid,
  .sol-case-metrics,
  .sol-more-grid,
  .customer-card-grid,
  .articles-page-list,
  .qiyu-logo-wall,
  .outcall-experience-grid,
  .outcall-case-grid,
  .outcall-feature-tabs,
  .outcall-logo-wall {
    grid-template-columns: 1fr;
  }

  .outcall-hero .qiyu-hero-copy h1 {
    font-size: 40px;
  }

  .outcall-hero-visual {
    min-height: 260px;
  }

  .outcall-experience-grid article {
    min-height: 0;
  }

  .outcall-case-feature {
    padding: 18px;
  }

  .outcall-case-feature > img,
  .outcall-video-frame {
    height: 220px;
    min-height: 220px;
  }

  .outcall-demo-form {
    padding: 22px;
  }

  .outcall-feature-slides {
    padding: 18px;
  }

  .outcall-intro-list article {
    padding: 28px 18px;
  }

  .outcall-intro-list h2 {
    font-size: 26px;
  }

  .qiyu-case-card {
    padding: 12px;
  }

  .qiyu-case-copy {
    padding: 18px 12px 58px;
  }

  .qiyu-case-link {
    left: 12px;
  }

  .qiyu-case-img {
    height: 220px;
  }

  .qiyu-logo-wall-section h3 {
    font-size: 26px;
  }

  .articles-page-banner {
    min-height: 260px;
    background-position: 70% center;
  }

  .articles-page-banner-inner {
    padding: 48px 18px;
  }

  .articles-page-banner h1 {
    font-size: 34px;
  }

  .articles-page-section {
    padding: 44px 18px 64px;
  }

  .contact-hero {
    padding: 56px 18px;
  }

  .contact-hero h1 {
    font-size: 34px;
  }

  .contact-section {
    padding: 46px 18px 64px;
  }

  .contact-panel {
    padding: 24px;
  }

  .contact-list {
    grid-template-columns: 1fr;
    row-gap: 8px;
  }

  .customer-trust-preview {
    min-height: 320px;
  }

  .customer-hero {
    height: 260px;
  }

  .customer-hero h1 {
    font-size: 34px;
  }

  .customer-carousel,
  .customer-section {
    padding: 52px 18px;
  }

  .customer-feature-copy {
    padding: 24px;
  }

  .customer-feature-copy h2,
  .customer-feature-grid article:not(.large) .customer-feature-copy h2 {
    font-size: 20px;
  }

  .sol-hero-inner {
    min-height: auto;
    padding: 48px 18px;
  }

  .sol-hero h1 {
    font-size: 34px;
  }

  .sol-plan,
  .sol-detail-flow article,
  .sol-case {
    padding: 24px;
  }

  .product-hero {
    background: linear-gradient(180deg, #fff7f7 0%, #ffffff 100%);
  }

  .hero-grid {
    min-height: auto;
    padding: 54px 18px 56px;
  }

  .hero-copy h1 {
    font-size: 34px;
  }

  .section-center {
    flex-direction: column;
  }

  .graphic-row {
    padding: 32px 0;
  }

  .graphic-row h3,
  .advantage-card h3,
  .case-showcase h3 {
    font-size: 24px;
  }

  .channel-board,
  .dispatch-card,
  .integration-map,
  .monitor-card,
  .workspace-demo,
  .security-demo {
    min-height: auto;
  }

  .advantage-card,
  .case-showcase {
    padding: 24px;
  }

  .section {
    padding: 56px 18px;
  }

  .qiyu-section {
    padding: 56px 18px;
  }

  .qiyu-hero-inner {
    min-height: auto;
    padding: 52px 18px;
  }

  .qiyu-hero-copy h1 {
    font-size: 34px;
  }

  .hero-lead {
    flex-direction: column;
    gap: 10px;
  }

  .hero-lead input {
    min-height: 42px;
  }

  .call-visual,
  .video-tools {
    grid-template-columns: 1fr;
  }

  .scene-preview,
  .feature-art {
    min-height: 220px;
  }

  .qiyu-adv-grid article {
    grid-template-columns: 1fr;
  }
}

/* Official vendor asset rendering for product pages */
.official-visual {
  border: 0;
  box-shadow: none;
  background: transparent;
}

.official-visual img {
  width: min(700px, 100%);
  max-height: 390px;
  object-fit: contain;
  display: block;
}

.official-scene {
  display: grid;
  place-items: center;
  background: #fff;
}

.official-scene img {
  width: 100%;
  max-height: 330px;
  object-fit: contain;
  display: block;
}

.official-art {
  background: #fff;
}

.official-art img {
  width: 100%;
  max-height: 310px;
  object-fit: contain;
  display: block;
}

.qiyu-adv-grid article {
  grid-template-columns: 170px 1fr;
}

.qiyu-adv-grid article > img {
  width: 150px;
  height: 130px;
  object-fit: contain;
  align-self: center;
}

@media (max-width: 620px) {
  .qiyu-adv-grid article {
    grid-template-columns: 1fr;
  }
}

.pd-hero {
  background: #e8e8ff;
  overflow: hidden;
}

.pd-hero-inner {
  max-width: 1180px;
  min-height: 520px;
  margin: 0 auto;
  padding: 76px 24px 64px;
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(420px, 1.14fr);
  gap: 42px;
  align-items: center;
}

.pd-hero h1 {
  margin: 0;
  color: #1a2233;
  font-size: 54px;
  line-height: 1.12;
}

.pd-hero p {
  margin: 22px 0 32px;
  color: #4e5870;
  font-size: 20px;
  line-height: 1.8;
}

.pd-hero img {
  width: 100%;
  max-height: 390px;
  object-fit: contain;
  display: block;
}

.pd-metrics {
  position: relative;
  z-index: 2;
  margin-top: -36px;
  padding: 0 24px 56px;
}

.pd-metrics > div {
  max-width: 1060px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  padding: 26px;
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.pd-metrics article {
  text-align: center;
  border-right: 1px solid var(--line);
}

.pd-metrics article:last-child {
  border-right: 0;
}

.pd-metrics strong {
  display: block;
  color: #5d50e6;
  font-size: 34px;
}

.pd-metrics span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
}

.pd-card-flow {
  display: grid;
  gap: 30px;
}

.pd-card-flow article {
  display: grid;
  grid-template-columns: minmax(420px, 1.05fr) minmax(0, 0.95fr);
  gap: 42px;
  align-items: center;
  padding: 34px;
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.pd-card-flow article.reverse img {
  order: 2;
}

.pd-card-flow img {
  width: 100%;
  max-height: 340px;
  object-fit: contain;
}

.pd-card-flow h3 {
  margin: 0 0 18px;
  font-size: 30px;
}

.pd-card-flow p {
  margin: 0 0 12px;
  color: var(--muted);
  line-height: 1.8;
}

.pd-logo-wall {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 14px;
}

.pd-logo-wall span {
  min-height: 64px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: #4e5870;
  font-weight: 700;
}

.pd-logo-wall .logo-wall-card {
  min-height: 76px;
  padding: 14px 18px;
}

@media (max-width: 920px) {
  .pd-hero-inner,
  .pd-card-flow article {
    grid-template-columns: 1fr;
  }

  .pd-card-flow article.reverse img {
    order: 0;
  }

  .pd-metrics > div,
  .pd-logo-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pd-metrics article {
    border-right: 0;
  }
}

@media (max-width: 620px) {
  .pd-hero-inner {
    min-height: auto;
    padding: 52px 18px;
  }

  .pd-hero h1 {
    font-size: 36px;
  }

  .pd-metrics > div,
  .pd-logo-wall {
    grid-template-columns: 1fr;
  }

  .pd-card-flow article {
    padding: 24px;
  }

  .consult-float {
    right: 16px;
    bottom: 18px;
    min-height: 48px;
    padding: 0 16px 0 12px;
    font-size: 15px;
  }

  .consult-float-icon {
    width: 30px;
    height: 30px;
  }
}