* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: #334155;
  background: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a {
  text-decoration: none;
  color: inherit;
}
button {
  font-family: inherit;
}
.container {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
}
/* =========================================================
Header
========================================================= */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  height: 72px;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
  backdrop-filter: blur(18px);
}
.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
}
.main-nav {
  display: flex;
  gap: 32px;
  margin-left: auto;
  margin-right: 34px;
}
.main-nav a {
  color: #475569;
  font-size: 13px;
  transition: color 0.2s;
}
.main-nav a:hover {
  color: #2563eb;
}
.header-cta {
  padding: 10px 17px;
  color: #fff;
  font-size: 13px;
  font-weight: 650;
  border-radius: 9px;
  background: #2563eb;
  height: 38px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.brand-mark {
  width: 34px;
  height: 34px;
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
  align-items: end;
  padding: 7px;
  border-radius: 10px;
  background: linear-gradient(135deg, #2563eb, #60a5fa);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.22);
}
.brand-mark span {
  display: block;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.95);
}
.brand-mark span:nth-child(1) {
  height: 40%;
}
.brand-mark span:nth-child(2) {
  height: 70%;
}
.brand-mark span:nth-child(3) {
  height: 100%;
}
.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}
.brand-copy strong {
  color: #0b1220;
  font-size: 15px;
  font-weight: 800;
}
.brand-copy small {
  margin-top: 3px;
  color: #94a3b8;
  font-size: 7px;
  letter-spacing: 1.2px;
}
/* =========================================================
Hero
========================================================= */
.hero {
  position: relative;
  min-height: 900px;
  padding-top: 72px;
  overflow: hidden;
  background: linear-gradient(180deg, #f8fbff 0%, #fff 78%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.55;
  background-image: linear-gradient(rgba(37, 99, 235, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(37, 99, 235, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, #000, transparent 80%);
}
.hero-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.12;
}
.hero-glow-1 {
  right: -100px;
  top: 130px;
  background: #3b82f6;
}
.hero-glow-2 {
  left: -180px;
  bottom: 40px;
  background: #60a5fa;
}
.hero-inner {
  min-height: 828px;
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  align-items: center;
  gap: 70px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #2563eb;
  font-size: 14px;
  font-weight: 750;
  letter-spacing: 0.4px;
}
.eyebrow span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #2563eb;
  box-shadow: 0 0 0 5px rgba(37, 99, 235, 0.08);
}
.eyebrow.light {
  color: #93c5fd;
}
.eyebrow.light span {
  background: #60a5fa;
}
.hero-copy {
  z-index: 2;
}
.hero-copy h1 {
  margin: 22px 0 22px;
  color: #0f172a;
  font-size: clamp(48px, 3.8vw, 72px);
  line-height: 1.2;
}
.hero-copy h1 em,
.section-head h2 em,
.why-copy h2 em,
.cta-section h2 em {
  color: #2563eb;
  font-style: normal;
}
.hero-lead {
  color: #64748b;
  font-size: 16px;
  line-height: 1.9;
}
.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 32px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 150px;
  height: 48px;
  padding: 0 22px;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.25s ease;
  cursor: pointer;
}
.btn span {
  margin-left: 8px;
  font-size: 18px;
  transition: transform 0.25s ease;
}
.btn:hover span {
  transform: translateX(4px);
}
.btn-primary {
  color: #fff;
  background: #2563eb;
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.22);
}
.btn-primary:hover {
  background: #1d4ed8;
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.28);
}
.btn-outline {
  color: #0f172a;
  border: 1px solid #cbd5e1;
  background: rgba(255, 255, 255, 0.8);
}
.btn-outline:hover {
  color: #2563eb;
  border-color: #93c5fd;
  background: #fff;
  transform: translateY(-2px);
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 17px;
  margin-top: 28px;
  color: #64748b;
  font-size: 11px;
}
.hero-product {
  position: relative;
  padding: 18px 0 50px;
}
.dashboard-window {
  position: relative;
  overflow: hidden;
  border: 1px solid #dbe4ef;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 30px 80px rgba(15, 23, 42, 0.13);
  transform: perspective(1400px) rotateY(-4deg) rotateX(2deg);
  transition: transform 0.5s;
}
.dashboard-window:hover {
  transform: perspective(1400px) rotateY(0) rotateX(0);
}
.window-bar {
  height: 44px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 16px;
  border-bottom: 1px solid #edf1f5;
  color: #64748b;
  font-size: 10px;
}
.window-dots {
  display: flex;
  gap: 5px;
}
.window-dots i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #cbd5e1;
}
.window-status {
  margin-left: auto;
  color: #16a34a;
}
.dashboard-body {
  display: grid;
  grid-template-columns: 100px 1fr;
  min-height: 425px;
}
.dashboard-side {
  padding: 20px 10px;
  background: #fbfdff;
  border-right: 1px solid #edf1f5;
}
.side-logo {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  margin: 0 auto 24px;
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  border-radius: 8px;
  background: #2563eb;
}
.side-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 8px;
  margin: 4px 0;
  color: #94a3b8;
  font-size: 9px;
  border-radius: 7px;
}
.side-item.active {
  color: #2563eb;
  background: #eff6ff;
}
.dashboard-main {
  padding: 28px;
}
.dash-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.dash-top small {
  color: #94a3b8;
  font-size: 9px;
}
.dash-top h3 {
  margin: 6px 0 0;
  color: #0f172a;
  font-size: 17px;
}
.dash-tag {
  padding: 5px 8px;
  color: #94a3b8;
  font-size: 9px;
  border-radius: 5px;
  background: #eff6ff;
}
.dash-content {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 20px;
  margin-top: 24px;
}
.drawing-preview {
  position: relative;
  min-height: 315px;
  padding: 15px;
  overflow: hidden;
  border: 1px solid #d9e2ec;
  background: #fdfefe;
}
.drawing-title {
  color: #94a3b8;
  font-size: 8px;
  letter-spacing: 1px;
}
.drawing-shape {
  position: absolute;
  left: 25%;
  top: 34%;
  width: 44%;
  height: 30%;
  border: 2px solid #64748b;
}
.drawing-shape:after {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  height: 100%;
  border-left: 1px solid #94a3b8;
}
.drawing-line {
  position: absolute;
  left: 12%;
  height: 1px;
  background: #cbd5e1;
}
.drawing-line.l1 {
  top: 20%;
  width: 30%;
}
.drawing-line.l2 {
  top: 78%;
  width: 55%;
}
.drawing-line.l3 {
  top: 84%;
  width: 40%;
}
.drawing-qr {
  position: absolute;
  right: 14px;
  bottom: 35px;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  color: #111827;
  font-size: 34px;
  border: 4px solid #111827;
  background: #fff;
}
.drawing-preview small {
  position: absolute;
  right: 9px;
  bottom: 16px;
  color: #94a3b8;
  font-size: 7px;
}
.dash-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.dash-info > div:not(.label-mini) {
  display: flex;
  justify-content: space-between;
  padding-bottom: 9px;
  border-bottom: 1px solid #f1f5f9;
  font-size: 9px;
}
.dash-info > div span {
  color: #94a3b8;
}
.dash-info > div strong {
  color: #334155;
  font-weight: 650;
}
.label-mini {
  margin-top: auto;
  padding: 14px;
  border: 1px solid #bfdbfe;
  border-radius: 10px;
  background: #eff6ff;
}
.mini-bar {
  display: block;
  width: 55px;
  height: 4px;
  margin-bottom: 8px;
  background: #2563eb;
}
.label-mini b {
  display: block;
  color: #0f172a;
  font-size: 9px;
}
.label-mini small {
  display: block;
  margin-top: 4px;
  color: #64748b;
  font-size: 8px;
}
.section {
  padding: 120px 0;
}
/* =========================================================
Pain
========================================================= */
.pain-section {
  background: #f8fafc;
}
.section-head {
  max-width: 760px;
  margin-bottom: 58px;
}
.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-head h2,
.why-copy h2 {
  margin: 17px 0 14px;
  color: #0f172a;
  font-size: clamp(34px, 4vw, 48px);
  line-height: 1.22;
  letter-spacing: -1.8px;
}
.section-head p {
  margin: 0;
  color: #64748b;
  font-size: 15px;
  line-height: 1.9;
}
.bento-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 16px;
}
.bento-card {
  position: relative;
  min-height: 250px;
  padding: 30px;
  overflow: hidden;
  border: 1px solid #e2e8f0;
  border-radius: 18px;
  background: #fff;
}
.bento-card.large {
  grid-row: span 2;
  min-height: 516px;
}
.bento-card.dark {
  color: #fff;
  background: #0f172a;
  border-color: #0f172a;
}
.bento-number {
  position: absolute;
  top: 23px;
  right: 25px;
  color: #cbd5e1;
  font-size: 11px;
  font-weight: 800;
}
.dark .bento-number {
  color: #475569;
}
.bento-icon {
  width: 47px;
  height: 47px;
  display: grid;
  place-items: center;
  margin-bottom: 25px;
  color: #2563eb;
  border-radius: 12px;
  background: #eff6ff;
  font-size: 20px;
}
.bento-icon.red {
  color: #ef4444;
  background: #fef2f2;
}
.bento-icon.green {
  color: #16a34a;
  background: #f0fdf4;
}
.bento-icon.blue {
  color: #60a5fa;
  background: #172554;
}
.bento-card h3 {
  margin: 0 0 10px;
  color: #0f172a;
  font-size: 18px;
}
.dark h3 {
  color: #fff;
}
.bento-card p {
  margin: 0;
  color: #64748b;
  font-size: 13px;
  line-height: 1.8;
}
.dark p {
  color: #94a3b8;
}
.fake-list {
  margin-top: 45px;
  padding: 13px;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
}
.fake-list > div {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 2px;
  border-bottom: 1px solid #f1f5f9;
  color: #475569;
  font-size: 10px;
}
.fake-list > div:last-child {
  border: 0;
}
.fake-list > div i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #f59e0b;
}
.fake-list > div span {
  margin-left: auto;
  color: #94a3b8;
}
/* =========================================================
Flow animation
========================================================= */
.flow-section {
  position: relative;
  overflow: hidden;
  background: #f8fbff;
}
.flow-bg {
  position: absolute;
  inset: 0;
  opacity: 0.5;
  background-image: linear-gradient(rgba(37, 99, 235, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(37, 99, 235, 0.035) 1px, transparent 1px);
  background-size: 50px 50px;
}
.product-animation {
  position: relative;
  z-index: 2;
}
.animation-stage {
  position: relative;
  height: 590px;
  max-width: 1200px;
  margin: auto;
}
.flow-svg {
  position: absolute;
  left: 0;
  top: 70px;
  width: 100%;
  height: 350px;
  overflow: visible;
}
.flow-path-bg {
  fill: none;
  stroke: #dbeafe;
  stroke-width: 2;
  stroke-dasharray: 7 8;
}
.flow-path {
  fill: none;
  stroke: #2563eb;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 1200;
  stroke-dashoffset: 1200;
  opacity: 0;
}
.is-playing .flow-path {
  opacity: 1;
  animation: drawPath 5.2s ease-in-out forwards;
}
@keyframes drawPath {
  to {
    stroke-dashoffset: 0;
  }
}
.flow-node {
  position: absolute;
  z-index: 5;
  text-align: center;
}
.node-drawing {
  left: 3%;
  top: 95px;
}
.node-production {
  left: 30%;
  top: 25px;
}
.node-scan {
  right: 26%;
  top: 220px;
}
.node-print {
  right: 2%;
  top: 95px;
}
.node-visual {
  position: relative;
  width: 150px;
  height: 150px;
  margin: auto;
  display: grid;
  place-items: center;
}
.node-paper {
  position: relative;
  width: 112px;
  height: 142px;
  padding: 10px;
  transform: rotate(-4deg);
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  background: #fff;
  box-shadow: 0 16px 30px rgba(15, 23, 42, 0.1);
}
.paper-caption {
  color: #94a3b8;
  font-size: 6px;
  letter-spacing: 1px;
}
.paper-shape {
  position: absolute;
  left: 22px;
  top: 43px;
  width: 60px;
  height: 40px;
  border: 1.5px solid #64748b;
}
.paper-qr {
  position: absolute;
  right: 8px;
  bottom: 13px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  color: #111827;
  font-size: 20px;
  border: 3px solid #111827;
  background: #fff;
}
.paper-lines {
  position: absolute;
  left: 12px;
  bottom: 20px;
  width: 50px;
  height: 1px;
  background: #cbd5e1;
  box-shadow: 0 6px #cbd5e1, 0 12px #cbd5e1;
}
.node-pulse {
  position: absolute;
  inset: 20px;
  border: 1px solid rgba(37, 99, 235, 0.22);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,
  100% {
    transform: scale(0.8);
    opacity: 0;
  }
  45% {
    opacity: 1;
  }
  80% {
    transform: scale(1.05);
    opacity: 0;
  }
}
.production-node {
  border-radius: 50%;
}
.factory-icon {
  width: 84px;
  height: 84px;
  display: grid;
  place-items: center;
  color: #2563eb;
  font-size: 38px;
  border: 1px solid #bfdbfe;
  border-radius: 24px;
  background: #eff6ff;
}
.production-ring {
  position: absolute;
  inset: 18px;
  border: 1px dashed #93c5fd;
  border-radius: 50%;
  animation: spin 10s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.phone-device {
  width: 86px;
  height: 150px;
  padding: 6px;
  border-radius: 16px;
  background: #0f172a;
  box-shadow: 0 18px 35px rgba(15, 23, 42, 0.18);
}
.phone-screen {
  position: relative;
  height: 100%;
  overflow: hidden;
  border-radius: 10px;
  background: #f8fafc;
}
.wechat-head {
  padding: 10px 0 7px;
  color: #fff;
  font-size: 7px;
  background: #16a34a;
}
.scan-frame {
  position: absolute;
  left: 15px;
  top: 45px;
  width: 48px;
  height: 48px;
  border: 2px solid #22c55e;
}
.scan-frame:before,
.scan-frame:after {
  content: "";
  position: absolute;
  background: #22c55e;
}
.scan-frame:before {
  left: -2px;
  top: 12px;
  width: 48px;
  height: 1px;
  animation: scanLine 1.5s infinite;
}
.scan-frame:after {
  left: 10px;
  top: -2px;
  width: 1px;
  height: 48px;
}
@keyframes scanLine {
  50% {
    transform: translateY(30px);
  }
}
.scan-text {
  position: absolute;
  bottom: 22px;
  width: 100%;
  text-align: center;
  color: #64748b;
  font-size: 6px;
}
.printer-node {
  width: 175px;
}
.thermal-printer {
  position: relative;
  width: 145px;
  height: 90px;
  margin-top: 38px;
}
.printer-body {
  position: absolute;
  bottom: 0;
  left: 10px;
  width: 125px;
  height: 65px;
  border-radius: 10px 10px 7px 7px;
  background: #334155;
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.18);
}
.printer-top {
  position: absolute;
  z-index: 2;
  left: 18px;
  top: 15px;
  width: 109px;
  height: 26px;
  border-radius: 7px 7px 3px 3px;
  background: #475569;
}
.printer-slot {
  position: absolute;
  z-index: 4;
  left: 25px;
  top: 42px;
  width: 95px;
  height: 7px;
  border-radius: 4px;
  background: #0f172a;
}
.thermal-label {
  position: absolute;
  z-index: 3;
  left: 39px;
  top: 44px;
  width: 70px;
  min-height: 70px;
  padding: 7px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  color: #111827;
  font-size: 6px;
  border: 1px solid #e5e7eb;
  background: #fff;
  transform: translateY(0);
}
.thermal-label b {
  font-size: 8px;
}
.thermal-label i {
  margin-top: auto;
  color: #16a34a;
  font-style: normal;
}
.is-playing .thermal-label {
  animation: printLabel 1.2s 4.2s ease-out forwards;
}
@keyframes printLabel {
  to {
    transform: translateY(45px);
  }
}
.node-copy {
  margin-top: 10px;
}
.node-copy span {
  display: block;
  color: #93c5fd;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 1px;
}
.node-copy strong {
  display: block;
  margin-top: 4px;
  color: #0f172a;
  font-size: 15px;
}
.node-copy small {
  display: block;
  max-width: 180px;
  margin: 5px auto 0;
  color: #64748b;
  font-size: 9px;
  line-height: 1.5;
}
.moving-qr {
  position: absolute;
  z-index: 20;
  left: 0;
  top: 0;
  width: 76px;
  text-align: center;
  opacity: 0;
  offset-path: path("M 120 210 C 260 70, 390 70, 520 210 S 790 350, 920 210 S 1040 120, 1080 210");
  -webkit-offset-path: path("M 120 210 C 260 70, 390 70, 520 210 S 790 350, 920 210 S 1040 120, 1080 210");
}
.is-playing .moving-qr {
  opacity: 1;
  animation: moveQr 5.2s cubic-bezier(0.55, 0.05, 0.25, 0.95) forwards;
}
.moving-qr-inner {
  width: 52px;
  height: 52px;
  margin: auto;
  display: grid;
  place-items: center;
  color: #111827;
  font-size: 35px;
  border: 5px solid #111827;
  border-radius: 4px;
  background: #fff;
  box-shadow: 0 9px 24px rgba(15, 23, 42, 0.18);
}
.moving-qr b {
  display: block;
  margin-top: 5px;
  padding: 3px 5px;
  color: #fff;
  font-size: 7px;
  border-radius: 5px;
  background: #2563eb;
  white-space: nowrap;
}
@keyframes moveQr {
  0% {
    offset-distance: 0%;
    -webkit-offset-distance: 0%;
    transform: scale(0.7);
  }
  7% {
    transform: scale(1);
  }
  100% {
    offset-distance: 100%;
    -webkit-offset-distance: 100%;
    transform: scale(0.82);
  }
}
.flow-replay {
  position: relative;
  z-index: 5;
  text-align: center;
}
.flow-replay button {
  padding: 8px 14px;
  color: #2563eb;
  font-size: 11px;
  border: 1px solid #2563eb;
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
}
.timeline-section {
  background: #fff;
}
.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}
.timeline-line {
  position: absolute;
  top: 19px;
  left: 8%;
  right: 8%;
  height: 1px;
  background: #bfdbfe;
}
.timeline-item {
  position: relative;
  z-index: 2;
  padding-top: 52px;
  text-align: center;
}
.timeline-item > b {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: #2563eb;
  font-size: 10px;
  border: 5px solid #eff6ff;
  border-radius: 50%;
  background: #fff;
}
.timeline-item strong {
  color: #0f172a;
  font-size: 13px;
}
.timeline-item p {
  margin: 7px 0 0;
  color: #64748b;
  font-size: 10px;
  line-height: 1.6;
}
.advantage-section {
  background: #f8fafc;
}
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.adv-card {
  padding: 30px 25px;
  border: 1px solid #e2e8f0;
  border-radius: 17px;
  background: #fff;
  transition: 0.3s;
}
.adv-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
}
.adv-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  color: #2563eb;
  border-radius: 13px;
  background: #eff6ff;
}
.adv-card h3 {
  margin: 0 0 9px;
  color: #0f172a;
  font-size: 18px;
}
.adv-card p {
  min-height: 90px;
  margin: 0;
  color: #64748b;
  font-size: 12px;
  line-height: 1.8;
}
.adv-card strong {
  display: block;
  padding-top: 15px;
  margin-top: 17px;
  color: #2563eb;
  font-size: 10px;
  border-top: 1px solid #e2e8f0;
}
.why-section {
  background: #fff;
}
.why-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: center;
}
.why-copy p {
  max-width: 550px;
  color: #64748b;
  font-size: 14px;
  line-height: 2;
}
.why-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.why-list > div {
  padding: 24px;
  border: 1px solid #e2e8f0;
  border-radius: 13px;
}
.why-list b {
  display: block;
  color: #93c5fd;
  font-size: 10px;
}
.why-list strong {
  display: block;
  margin-top: 10px;
  color: #0f172a;
  font-size: 14px;
}
.why-list span {
  display: block;
  margin-top: 7px;
  color: #64748b;
  font-size: 10px;
  line-height: 1.7;
}
.cta-section {
  position: relative;
  overflow: hidden;
  padding: 120px 0;
  color: #fff;
  background: #0f172a;
  text-align: center;
}
.cta-glow {
  position: absolute;
  width: 600px;
  height: 350px;
  left: 50%;
  top: 20%;
  transform: translateX(-50%);
  background: #2563eb;
  filter: blur(120px);
  opacity: 0.18;
}
.cta-inner {
  position: relative;
}
.cta-section h2 {
  margin: 18px 0;
  font-size: clamp(38px, 5vw, 60px);
  line-height: 1.15;
  letter-spacing: -2px;
}
.cta-section h2 em {
  color: #60a5fa;
}
.cta-section p {
  max-width: 600px;
  margin: auto;
  color: #94a3b8;
  font-size: 14px;
  line-height: 1.9;
}
.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  margin-top: 30px;
}
.cta-actions .wechat p {
  color: orange;
}
.cta-actions .wechat img {
  width: 100px;
  height: 100px;
}
.btn-white {
  color: #2563eb;
  background: #fff;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
  outline: none;
}
.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
}
.cta-actions > span {
  color: #64748b;
  font-size: 11px;
}
/* =========================================================
Flow animation
========================================================= */
footer {
  width: 100%;
  height: 80px;
  font-size: 1.4rem;
  background-color: #fff;
}
footer .siansoft-href {
  height: 30px;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  font-size: 12px;
  color: #777;
}
footer .siansoft-href:hover {
  text-decoration: underline;
  color: #2563eb;
}
footer .inner {
  font-size: 11px;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 50px;
  color: #777;
}
footer .inner .beian {
  display: flex;
  align-items: center;
}
footer .inner .beian:hover {
  text-decoration: underline;
  color: #2563eb;
}
footer .inner .dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: #ddd;
  margin: 0 16px;
}
footer .inner .wangbei {
  display: flex;
  align-items: center;
}
footer .inner .wangbei > a {
  display: flex;
  align-items: center;
}
footer .inner .wangbei > a img {
  width: 15px;
  height: 15px;
  float: left;
}
footer .inner .wangbei > a p {
  float: left;
  height: 20px;
  line-height: 20px;
  margin: 0px 0px 0px 5px;
}
footer .inner .wangbei > a p:hover {
  text-decoration: underline;
  color: #2563eb;
}
/* ========================================
   预约演示 Dialog
   ======================================== */
.demo-dialog-mask {
  position: fixed;
  z-index: 9999;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(15, 23, 42, 0.52);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}
.demo-dialog-mask.is-open {
  opacity: 1;
  visibility: visible;
}
.demo-dialog {
  position: relative;
  width: min(390px, 100%);
  padding: 38px 32px 32px;
  text-align: center;
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 30px 80px rgba(15, 23, 42, 0.22);
  transform: translateY(18px) scale(0.96);
  transition: transform 0.28s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.demo-dialog-mask.is-open .demo-dialog {
  transform: translateY(0) scale(1);
}
/* 关闭按钮 */
.demo-dialog-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 50%;
  color: #64748b;
  background: #f1f5f9;
  font-size: 16px;
  font-weight: bold;
  line-height: 1;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
.demo-dialog-close:hover {
  color: #0f172a;
  background: #e2e8f0;
  transform: rotate(90deg);
}
/* 标题 */
.demo-dialog h3 {
  margin: 0;
  color: #0f172a;
  font-size: 22px;
  line-height: 1.4;
  font-weight: 750;
}
/* 描述 */
.demo-dialog p {
  margin: 8px 0 22px;
  color: #64748b;
  font-size: 13px;
  line-height: 1.7;
}
/* 二维码 */
.demo-dialog-qrcode {
  width: 210px;
  height: 210px;
  margin: 0 auto;
  padding: 10px;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 8px 25px rgba(15, 23, 42, 0.07);
}
.demo-dialog-qrcode img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
@media (max-width: 1000px) {
  .header-cta {
    margin-left: auto;
  }
  .main-nav {
    display: none;
  }
  .hero-inner {
    grid-template-columns: 1fr;
    padding: 70px 0;
  }
  .hero {
    min-height: auto;
  }
  .hero-copy {
    text-align: center;
  }
  .hero-trust,
  .hero-actions {
    justify-content: center;
  }
  .hero-product {
    max-width: 720px;
    width: 100%;
    margin: auto;
  }
  .bento-grid {
    grid-template-columns: 1fr 1fr;
  }
  .bento-card.large {
    grid-row: auto;
  }
  .timeline {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 35px;
  }
  .timeline-line {
    display: none;
  }
  .advantage-grid {
    grid-template-columns: 1fr 1fr;
  }
  .why-layout {
    grid-template-columns: 1fr;
    gap: 45px;
  }
}
@media (max-width: 700px) {
  .container {
    width: calc(100% - 32px);
  }
  .site-header,
  .header-inner {
    height: 62px;
  }
  .is-playing .thermal-label {
    animation: none;
  }
  .brand-name {
    display: none;
  }
  .hero {
    padding-top: 62px;
  }
  .hero-inner {
    min-height: auto;
    padding: 65px 0;
    gap: 40px;
  }
  .hero-copy h1 {
    font-size: 42px;
    letter-spacing: -2px;
  }
  .hero-lead {
    font-size: 13px;
  }
  .hero-actions {
    flex-direction: column;
  }
  .btn {
    width: 100%;
  }
  .dashboard-body {
    grid-template-columns: 1fr;
  }
  .dashboard-side {
    display: none;
  }
  .dashboard-main {
    padding: 18px;
  }
  .dash-content {
    grid-template-columns: 1fr;
  }
  .drawing-preview {
    min-height: 230px;
  }
  .scan-float {
    left: -8px;
    bottom: 15px;
  }
  .label-float {
    right: -8px;
    top: 35px;
  }
  .section {
    padding: 80px 0;
  }
  .section-head h2,
  .why-copy h2 {
    font-size: 32px;
  }
  .bento-grid,
  .advantage-grid,
  .why-list {
    grid-template-columns: 1fr;
  }
  .bento-card.large {
    min-height: 300px;
  }
  .animation-stage {
    height: 850px;
  }
  .flow-svg {
    display: none;
  }
  .flow-node {
    left: 50% !important;
    right: auto !important;
    transform: translateX(-50%);
  }
  .node-drawing {
    top: 0px;
  }
  .node-production {
    top: 215px;
  }
  .node-scan {
    top: 455px;
  }
  .node-print {
    top: 635px;
  }
  .moving-qr {
    display: none;
  }
  .flow-replay {
    display: none;
  }
  .timeline {
    grid-template-columns: 1fr 1fr;
  }
  .cta-actions {
    flex-direction: column;
  }
  .footer-inner {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
}