/* 共享样式：基础、导航、页面组件、响应式适配、图标资源 */

:root {
  --blue: #2463ed;
  --cyan: #12bff3;
  --ink: #111e35;
  --muted: #67748c;
  --orange: #ff9e00;
  --line: #e3eaf4;
  --light: #f4f8ff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 30px;
}

body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font: 15px/1.8 Arial,'Microsoft YaHei','PingFang SC',sans-serif;
}

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

button,input,select {
  font: inherit;
}

a,button,input,summary {
  touch-action: manipulation;
}

a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible {
  outline: 3px solid #ffb739;
  outline-offset: 4px;
}

button {
  cursor: pointer;
}

.wrap {
  width: min(1240px,86%);
  margin: auto;
}

.skip {
  position: absolute;
  top: -80px;
  background: #fff;
  padding: 12px;
  z-index: 100;
}

.skip:focus {
  top: 0;
}

.header {
  background: linear-gradient(100deg,#e2f7ff,#e5ebfb);
  border-bottom: 1px solid #cddff0;
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 86px;
  gap: 30px;
}

.brand {
  font-size: 25px;
  letter-spacing: -.8px;
  font-weight: 800;
}

.brand span {
  color: #7155ff;
}

.nav {
  display: flex;
  align-items: center;
  gap: 30px;
  color: #657188;
  font-size: 14px;
}

.nav a[aria-current=page] {
  color: #1656d6;
  font-weight: 700;
}

.nav a:hover {
  color: #1656d6;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 24px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 700;
  background: var(--blue);
  color: #fff;
  transition: transform .2s,box-shadow .2s;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px #1b58be20;
}

.btn.dark {
  background: #111b2c;
}

.btn.orange {
  background: var(--orange);
  color: #17243c;
}

.btn.white {
  background: #fff;
  color: #1e62ed;
}

.btn.outline {
  background: transparent;
  border-color: #ccdaee;
  color: #2157bc;
}

.menu {
  display: none;
  background: none;
  border: 1px solid #b9cbdf;
  border-radius: 8px;
  padding: 5px 12px;
  color: #243c5b;
}

.hero-shell {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(115deg,#10bff4 0%,#1395ed 39%,#163bc0 100%);
}

.hero-shell:before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: radial-gradient(circle,#ffffff20 1.5px,transparent 2px);
  background-size: 12px 12px;
  mask-image: linear-gradient(100deg,#000,transparent 98%);
}

.hero {
  display: grid;
  grid-template-columns: .95fr 1.1fr;
  gap: 65px;
  align-items: center;
  min-height: 640px;
  padding: 80px 0 110px;
}

.eyebrow {
  font-size: 11px;
  letter-spacing: 2.5px;
  font-weight: 700;
  color: var(--blue);
  margin: 0 0 13px;
}

.hero .eyebrow {
  color: white;
  display: flex;
  align-items: center;
  gap: 10px;
}

.dot {
  width: 7px;
  height: 7px;
  background: #fff;
  border-radius: 50%;
}

.hero h1 {
  font-size: clamp(42px,4.7vw,67px);
  line-height: 1.15;
  letter-spacing: -2px;
  margin: 20px 0 26px;
  color: #eef6ff;
}

.hero h1 small {
  display: block;
  font-size: 25px;
  letter-spacing: -.6px;
  margin-bottom: 13px;
  color: #fff;
}

.hero .lead {
  font-size: 17px;
  line-height: 1.95;
  color: #e9f5ff;
  margin-bottom: 30px;
  max-width: 510px;
}

.actions {
  display: flex;
  gap: 13px;
  flex-wrap: wrap;
}

.hero .btn {
  padding: 13px 23px;
}

.checks {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 27px;
  font-size: 11px;
  color: #e7f7ff;
}

.check:before {
  content: '✓';
  font-weight: bold;
  margin-right: 7px;
}

.screen-wrap {
  min-width: 0;
}

.screen {
  position: relative;
  aspect-ratio: 767/483;
  overflow: hidden;
  border-radius: 25px;
  box-shadow: 0 24px 60px #0b2e795c;
  background: #0a1938;
}

.screen img {
  position: absolute;
  width: 246.0235%;
  max-width: none;
  height: auto;
  left: -118.7744%;
  top: -52.381%;
  display: block;
}

.screen-caption {
  font-size: 10px;
  color: #d3edff;
  text-align: center;
  margin-top: 15px;
}

.wave {
  display: block;
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 75px;
  fill: #fff;
  pointer-events: none;
}

.benefit-strip {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  padding: 30px 0 38px;
  border-bottom: 1px solid var(--line);
}

.benefit-strip article {
  border-right: 1px solid var(--line);
  text-align: center;
  padding: 0 14px;
}

.benefit-strip article:last-child {
  border: 0;
}

.benefit-strip b {
  font-size: 22px;
  display: block;
  line-height: 1.4;
}

.benefit-strip span {
  font-size: 12px;
  color: var(--muted);
}

.section {
  padding: 80px 0;
}

.section-head {
  margin-bottom: 35px;
}

.title {
  font-size: 33px;
  line-height: 1.4;
  margin: 0 0 14px;
  letter-spacing: -.8px;
}

.intro {
  font-size: 15px;
  color: var(--muted);
  max-width: 650px;
  margin: 0;
}

.center {
  text-align: center;
}

.center .intro {
  margin: auto;
}

.features {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 23px;
}

.card {
  padding: 29px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 9px 35px #1e497304;
}

.icon-box {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: #edf3ff;
  color: #3865ec;
}

.icon {
  width: 24px;
  height: 24px;
  display: block;
}

.card h3 {
  font-size: 20px;
  margin: 23px 0 10px;
}

.card p {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 18px;
}

.text-link {
  font-size: 13px;
  font-weight: 700;
  color: #2860d8;
}

.soft {
  background: #f5f8fe;
  border-top: 1px solid #ebf0f7;
  border-bottom: 1px solid #ebf0f7;
}

.split {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 70px;
  align-items: center;
}

.point {
  display: flex;
  gap: 13px;
  margin-top: 22px;
}

.point .icon {
  color: #2b72eb;
  flex-shrink: 0;
}

.point b {
  font-size: 15px;
}

.point p {
  font-size: 13px;
  color: var(--muted);
  margin: 4px 0 0;
}

.demo {
  background: #fff;
  border: 1px solid #dce6f4;
  border-radius: 19px;
  overflow: hidden;
  box-shadow: 0 20px 45px #204f8a0c;
}

.demo-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #f9fbff;
  padding: 17px 23px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}

.demo-top small {
  font-size: 10px;
  color: #7787a1;
}

.demo-body {
  padding: 24px;
}

.bubble {
  background: #f0f4fa;
  padding: 15px 18px;
  border-radius: 3px 14px 14px;
  font-size: 14px;
  margin: 0 0 19px;
  max-width: 90%;
}

.bubble small {
  display: block;
  color: #7b8ca4;
  font-size: 10px;
  margin-bottom: 6px;
}

.bubble.reply {
  margin-left: auto;
  background: #e8f2ff;
  border-radius: 14px 3px 14px 14px;
  color: #214e88;
}

.demo-tabs {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  padding: 0 24px 20px;
}

.demo-tabs button {
  padding: 6px 12px;
  background: #f1f4f9;
  border: 1px solid #dde5f1;
  border-radius: 7px;
  color: #5c6d86;
  font-size: 11px;
}

.demo-tabs button[aria-pressed=true] {
  background: #2864eb;
  color: white;
  border-color: #2864eb;
}

.demo-note {
  padding: 12px 23px;
  border-top: 1px solid var(--line);
  font-size: 10px;
  color: #8290a4;
}

.platform-strip {
  display: grid;
  grid-template-columns: repeat(6,1fr);
  gap: 14px;
}

.platform-name {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px 10px;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  background: #fff;
}

.platform-name span {
  display: grid;
  place-items: center;
  margin: 0 auto 10px;
  width: 37px;
  height: 37px;
  border-radius: 11px;
  background: #e6f1ff;
  color: #3173d8;
  font-size: 15px;
}

.small-note {
  color: #7c8aa0;
  font-size: 11px;
  margin: 20px 0 0;
}

.scenes {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 25px;
}

.scene {
  padding: 25px;
  border-top: 3px solid #306def;
  background: #f6f9ff;
  border-radius: 0 0 12px 12px;
}

.scene .num {
  color: #9db9e4;
  font-size: 35px;
  font-weight: 800;
}

.scene h3 {
  font-size: 19px;
  margin: 10px 0;
}

.scene p {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}

.cta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 35px;
  background: linear-gradient(110deg,#12a9ef,#1649cf);
  padding: 44px 48px;
  border-radius: 22px;
  color: #fff;
  margin-bottom: 70px;
}

.cta h2 {
  font-size: 28px;
  line-height: 1.4;
  margin: 0 0 10px;
}

.cta p {
  color: #dfedff;
  font-size: 14px;
  margin: 0;
}

.cta .btn {
  white-space: nowrap;
}

.footer {
  background: #0e1c33;
  color: #fff;
  padding: 48px 0 22px;
}

.footer .brand span {
  color: #9a96ff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 70px;
}

.footer p {
  font-size: 12px;
  max-width: 370px;
  color: #93a4bd;
}

.footer h3 {
  font-size: 13px;
  margin: 5px 0 15px;
}

.footer a:not(.brand) {
  font-size: 12px;
  color: #b2c0d4;
  display: block;
  margin-bottom: 8px;
}

.footer-bottom {
  margin-top: 35px;
  padding-top: 20px;
  border-top: 1px solid #25334b;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 10px;
  color: #8698b3;
}

.bread {
  font-size: 11px;
  color: #8090a8;
  padding: 22px 0 0;
}

.bread a {
  color: #3861a5;
}

.bread span {
  margin: 0 10px;
}

.page-banner {
  background: linear-gradient(115deg,#e7faff,#edf0ff);
  padding: 45px 0 60px;
  text-align: center;
}

.page-banner h1 {
  font-size: 43px;
  line-height: 1.3;
  margin: 12px 0 18px;
  letter-spacing: -1.2px;
}

.page-banner .intro {
  margin: auto;
}

.banner-bg {
  background: linear-gradient(115deg,#e7faff,#edf0ff);
}

.feature-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
  padding: 65px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 25px;
}

.feature-detail:nth-child(even) .feature-copy {
  order: 2;
}

.feature-copy h2 {
  font-size: 29px;
  line-height: 1.4;
  margin: 0 0 18px;
}

.feature-copy p {
  font-size: 14px;
  color: var(--muted);
}

.feature-copy ul {
  padding-left: 18px;
  color: #4a607c;
  font-size: 13px;
}

.feature-copy li {
  padding: 4px 0;
}

.example {
  background: #f3f7ff;
  border: 1px solid #e0e8f4;
  border-radius: 19px;
  padding: 30px;
}

.example-label {
  font-size: 11px;
  letter-spacing: 1px;
  color: #4e75aa;
  margin: 0 0 20px;
}

.example blockquote {
  margin: 15px 0;
  padding: 17px;
  border-left: 3px solid #4680eb;
  background: #fff;
  font-size: 14px;
  color: #3c5477;
}

.example small {
  color: #7c8ca4;
  font-size: 11px;
}

.workspace {
  background: #11264a;
  border-radius: 17px;
  padding: 22px;
  color: white;
}

.workspace .workhead {
  font-size: 12px;
  color: #9bb4da;
  border-bottom: 1px solid #2a4266;
  padding-bottom: 15px;
}

.workgrid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 12px;
  margin-top: 20px;
}

.workgrid div {
  padding: 24px 8px;
  text-align: center;
  border-radius: 9px;
  background: #1d3860;
  font-size: 12px;
}

.workgrid small {
  display: block;
  color: #9ab6dc;
  font-size: 10px;
  margin-top: 6px;
}

.process {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 35px;
}

.step {
  border-top: 2px solid #79a4f6;
  padding-top: 20px;
}

.step b {
  color: #2b66cd;
  font-size: 12px;
}

.step h3 {
  font-size: 18px;
}

.step p {
  font-size: 13px;
  color: var(--muted);
}

.downloads {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 25px;
}

.download-card {
  padding: 30px;
  border: 1px solid #dce5f2;
  border-radius: 18px;
  background: #fff;
  scroll-margin-top: 25px;
}

.download-title {
  display: flex;
  align-items: center;
  gap: 16px;
}

.download-title h2 {
  font-size: 23px;
  margin: 0;
}

.download-title p {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}

.download-card ul {
  padding-left: 18px;
  font-size: 13px;
  color: var(--muted);
  margin: 25px 0;
}

.status {
  padding: 12px 16px;
  background: #f2f5fa;
  border-radius: 8px;
  color: #64768c;
  font-size: 12px;
}

.download-link {
  margin-top: 15px;
}

.note {
  padding: 20px 24px;
  border-left: 3px solid #6c9cef;
  background: #edf4ff;
  color: #527093;
  border-radius: 0 10px 10px 0;
  font-size: 13px;
}

.faq-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 55px;
  align-items: start;
}

.faq-nav {
  padding: 25px;
  background: #f3f7ff;
  border-radius: 16px;
}

.faq-nav h2 {
  font-size: 17px;
  margin: 0 0 15px;
}

.faq-nav a {
  display: block;
  font-size: 13px;
  color: #506687;
  margin: 13px 0;
}

.faq-nav a:hover {
  color: #1d5ee4;
}

.faq-tools {
  margin: 0 0 28px;
}

.faq-tools label {
  display: block;
  font-size: 12px;
  color: #5e7491;
  margin-bottom: 7px;
}

.faq-tools input {
  width: 100%;
  border: 1px solid #ccd9ea;
  padding: 12px 15px;
  border-radius: 10px;
  color: #1b2e4e;
  background: #fff;
}

.faq-tools p {
  font-size: 11px;
  color: #8090a5;
  margin: 8px 0;
}

.faq-group {
  margin-bottom: 35px;
  scroll-margin-top: 25px;
}

.faq-group h2 {
  font-size: 23px;
  margin: 0 0 10px;
}

.faq-group details {
  border-bottom: 1px solid #dfe7f2;
  padding: 20px 0;
}

.faq-group summary {
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
}

.faq-group details p {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 2px;
}

.empty {
  padding: 25px;
  background: #f5f8fc;
  border-radius: 12px;
  color: #62748e;
}

.link-row {
  display: flex;
  gap: 18px;
  margin-top: 20px;
}

.tag {
  font-size: 11px;
  padding: 5px 12px;
  border: 1px solid #bcd2f1;
  color: #4672b2;
  border-radius: 50px;
  display: inline-block;
  margin-bottom: 15px;
}

[hidden] {
  display: none!important;
}

@media(min-width:1700px) {
  .wrap {
    max-width: 1470px;
  }

  .hero {
    gap: 95px;
    min-height: 760px;
    padding-bottom: 130px;
  }

  .hero h1 {
    font-size: 76px;
  }

  .hero h1 small {
    font-size: 31px;
  }

  .hero .lead {
    font-size: 20px;
  }

  .wave {
    height: 100px;
  }

}

@media(max-width:1050px) {
  .wrap {
    width: 90%;
  }

  .hero {
    gap: 35px;
  }

  .hero h1 {
    font-size: 48px;
  }

  .hero h1 small {
    font-size: 22px;
  }

  .hero .lead {
    font-size: 15px;
  }

  .hero {
    min-height: 580px;
  }

  .nav {
    gap: 19px;
  }

  .split,.feature-detail {
    gap: 35px;
  }

  .platform-strip {
    grid-template-columns: repeat(3,1fr);
  }

  .faq-layout {
    grid-template-columns: 200px 1fr;
    gap: 30px;
  }

}

@media(max-width:740px) {
  .header-row {
    height: auto;
    min-height: 76px;
    flex-wrap: wrap;
    padding: 17px 0;
    gap: 12px;
  }

  .header-action {
    display: none;
  }

  .menu {
    display: block;
  }

  .js .nav {
    display: none;
    width: 100%;
    order: 3;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 0;
    gap: 15px;
  }

  .js .nav.open {
    display: flex;
  }

  .nav {
    gap: 12px;
    font-size: 12px;
    flex-wrap: wrap;
  }

  .brand {
    font-size: 23px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 43px 0 93px;
    min-height: auto;
  }

  .hero h1 {
    font-size: clamp(38px,10vw,54px);
    letter-spacing: -1.4px;
  }

  .hero h1 small {
    font-size: 21px;
  }

  .hero .lead {
    font-size: 15px;
  }

  .hero .btn {
    font-size: 13px;
    padding: 12px 19px;
  }

  .checks {
    gap: 15px;
    font-size: 10px;
    margin-top: 23px;
  }

  .screen {
    border-radius: 16px;
  }

  .screen-caption {
    font-size: 9px;
  }

  .wave {
    height: 45px;
  }

  .benefit-strip {
    grid-template-columns: 1fr 1fr;
    gap: 22px;
    padding: 25px 0;
  }

  .benefit-strip article:nth-child(2) {
    border: 0;
  }

  .benefit-strip b {
    font-size: 19px;
  }

  .benefit-strip span {
    font-size: 11px;
  }

  .section {
    padding: 53px 0;
  }

  .title {
    font-size: 26px;
  }

  .intro {
    font-size: 14px;
  }

  .features,.split,.scenes,.feature-detail,.downloads,.faq-layout {
    grid-template-columns: 1fr;
    gap: 23px;
  }

  .card {
    padding: 25px;
  }

  .card h3 {
    font-size: 18px;
  }

  .platform-strip {
    grid-template-columns: repeat(3,1fr);
    gap: 10px;
  }

  .platform-name {
    padding: 15px 5px;
    font-size: 11px;
  }

  .platform-name span {
    width: 32px;
    height: 32px;
    font-size: 12px;
  }

  .cta {
    display: block;
    padding: 30px 24px;
    border-radius: 15px;
    margin-bottom: 45px;
  }

  .cta h2 {
    font-size: 24px;
  }

  .cta .btn {
    margin-top: 22px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 25px;
  }

  .footer-grid>div:first-child {
    grid-column: 1/-1;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
  }

  .page-banner {
    padding: 30px 0 45px;
  }

  .page-banner h1 {
    font-size: 32px;
  }

  .feature-detail {
    padding: 45px 0;
  }

  .feature-detail:nth-child(even) .feature-copy {
    order: 0;
  }

  .feature-copy h2 {
    font-size: 25px;
  }

  .example {
    padding: 23px;
  }

  .process {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .download-card {
    padding: 25px;
  }

  .faq-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 15px;
    padding: 20px;
  }

  .faq-nav h2 {
    width: 100%;
    margin: 0;
  }

  .faq-nav a {
    margin: 0;
  }

  .faq-group h2 {
    font-size: 21px;
  }

  .workgrid {
    gap: 8px;
  }

  .workgrid div {
    font-size: 11px;
    padding: 20px 6px;
  }

}

@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn {
    transition: none;
  }

}

.section-flush {
  padding-top: 0;
}