:root {
  --blue: #336ffc;
  --deep: #0d1234;
  --text: #152033;
  --muted: #5f6b7a;
  --line: rgba(255, 255, 255, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

img {
  display: block;
  max-width: 100%;
}

.wrap {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(16px);
}

.header-inner {
  height: 64px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
}

.brand-mark {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  color: #fff;
  border-radius: 8px;
  background: linear-gradient(135deg, #432eff, #08d9ff);
}

.nav {
  display: flex;
  gap: 28px;
  margin-left: auto;
  font-size: 14px;
  color: #344054;
}

.nav a:hover,
.footer a:hover {
  color: var(--blue);
}

.header-phone {
  color: #0f172a;
  font-weight: 700;
}

.hero {
  position: relative;
  height: 550px;
  overflow: hidden;
  isolation: isolate;
  background: #d9eaff;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-repeat: no-repeat;
  background-position: center top;
  background-size: 1920px 550px;
  opacity: 0;
  transition: opacity 700ms ease;
}

.hero-bg.active {
  opacity: 1;
}

.hero-content {
  padding-top: 93px;
  min-height: 0;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 50%;
  z-index: 1;
  width: min(1200px, calc(100% - 48px));
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%);
  transition: opacity 520ms ease;
}

.hero-slide.active {
  opacity: 1;
  pointer-events: auto;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
}

.hero h1 {
  margin: 0;
  color: #0f172a;
  font-size: 48px;
  line-height: 60px;
  font-weight: 900;
}

.hero-copy {
  max-width: 590px;
  margin: 25px 0 0;
  color: #26364d;
  font-size: 20px;
  line-height: 29px;
}

.hero-actions,
.service .btn11 {
  margin-top: 32px;
}

.btn11,
.small-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 26px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.btn11:hover,
.small-btn:hover,
.model-card:hover,
.advantage-card:hover,
.workflow-card:hover {
  transform: translateY(-3px);
}

.btn11.primary {
  color: #fff;
  background: var(--blue);
  box-shadow: 0 12px 24px rgba(51, 111, 252, 0.28);
}

.btn11.ghost {
  margin-left: 14px;
  color: #0f172a;
  background: #fff;
}

.hero-tabs {
  position: absolute;
  left: max(24px, calc((100% - 1200px) / 2));
  top: 430px;
  z-index: 3;
  display: flex;
  gap: 8px;
}

.hero-tab {
  width: 36px;
  height: 3px;
  padding: 0;
  border: 0;
  background: rgba(0, 11, 23, 0.14);
  cursor: pointer;
}

.hero-tab.active {
  background: var(--blue);
}

.ticker {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  width: 100%;
  height: 70px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: rgba(229, 241, 255, 0.62);
}

.ticker-track {
  display: flex;
  gap: 16px;
  animation: ticker 38s linear infinite;
  white-space: nowrap;
}

.ticker span {
  padding: 8px 14px;
  color: var(--blue);
  border: 1px solid rgba(51, 111, 252, 0.12);
  border-radius: 999px;
  background: linear-gradient(0deg, rgba(218, 237, 255, 0.74), rgba(251, 252, 255, 0.76));
  font-size: 13px;
}

@keyframes ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.section {
  padding: 92px 0;
}

.section.light {
  background: linear-gradient(180deg, #f8faff 0%, #ebf7ff 100%);
}

.intro-section {
  padding: 120px 0 86px;
  background: linear-gradient(180deg, #f7fbff 0%, #eaf7ff 100%);
}

.intro-section .section-head {
  margin-bottom: 54px;
}

.intro-section .section-head h2 {
  color: #0f1c33;
  font-size: 46px;
  line-height: 1.25;
  font-weight: 900;
}

.intro-section .section-head p {
  margin-top: 16px;
  color: #2b3445;
  font-size: 20px;
  line-height: 1.45;
}

.section.white {
  background: #fff;
}

.section-head {
  text-align: center;
  margin-bottom: 38px;
}

.section-head h2,
.service h2 {
  margin: 0;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.35;
  font-weight: 850;
}

.section-head p,
.service p {
  margin: 10px auto 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
}

.consult-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.consult-card {
  position: relative;
  height: 370px;
  overflow: hidden;
  border-radius: 10px;
  background: #dceeff;
  box-shadow: 0 10px 24px rgba(137, 156, 190, 0.12);
}

.consult-card > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.consult-bar {
  position: absolute;
  left: 36px;
  right: 36px;
  top: 38px;
  z-index: 2;
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0;
  background: transparent;
}

.consult-bar img {
  width: 62px;
  height: 62px;
  border-radius: 50%;
}

.consult-bar h3,
.value-grid h3,
.workflow-card h3,
.case-card h3 {
  margin: 0;
  font-size: 20px;
	font-weight: normal;
}

.consult-bar p,
.value-grid p,
.workflow-card p,
.case-card p {
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.small-btn {
  min-width: 102px;
  min-height: 44px;
  margin-left: auto;
  padding: 0 26px;
  color: #fff;
  border-radius: 999px;
  background: #007fff;
  font-size: 16px;
}

.consult-card:nth-child(2) .consult-bar {
  align-items: flex-start;
  top: 42px;
}

.consult-card:nth-child(2) .consult-bar h3 {
  max-width: 370px;
  font-size: 20px;
  line-height: 1.5;
  font-weight: 500;
  display: block;
}

/*.consult-card:nth-child(2) .consult-bar p {
  display: none;
}
*/
.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  min-height: 255px;
  margin-top: 20px;
  padding: 42px 18px 36px;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 10px 24px rgba(137, 156, 190, 0.12);
}

.value-grid article {
  text-align: center;
  padding: 18px;
}

.value-grid img {
  width: 56px;
  height: 56px;
  margin: 0 auto 24px;
  border-radius: 50%;
  box-shadow: 0 8px 18px rgba(120, 169, 235, 0.22);
}

.value-grid h3 {
  color: #0f1c33;
  font-size: 16px;
  line-height: 23px;
  font-weight: 700;
}

.value-grid p {
  max-width: 245px;
  margin: 10px auto 0;
  color: #5f6b7a;
  font-size: 14px;
  line-height: 1.55;
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

.workflow-card {
  position: relative;
  min-height: 210px;
  grid-column: span 2;
  overflow: hidden;
  padding: 30px;
  border-radius: 12px;
  background: #f7fbff;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.workflow-card.wide {
  grid-column: span 3;
}

.workflow-card img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.workflow-card p{
	font-size: 14px;
}
.workflow-card h3,
.workflow-card p,
.workflow-card span {
  position: relative;
  z-index: 1;
}

.workflow-card span {
  display: inline-block;
  margin-top: 30px;
  color: #8b98ab;
  font-size: 14px;
}

.trust-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  padding: 36px;
  border-radius: 18px;
  background: linear-gradient(180deg, #f7fbff 0%, #edf5ff 100%);
  box-shadow: 0 18px 45px rgba(139, 161, 190, 0.18);
}

.trust-card {
  min-height: 300px;
  overflow: hidden;
  padding: 36px;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 10px 24px rgba(120, 145, 180, 0.12);
}

.trust-wide {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 30px;
}

.trust-card h3 {
  margin: 0;
  color: #3d3d3d;
  font-size: 32px;
  line-height: 1.25;
  font-weight: 650;
}

.check-list {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 36px;
  padding: 0;
  margin: 28px 0 34px;
  color: #687488;
  list-style: none;
  font-size: 16px;
}

.check-list li {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.check-list li::before {
  content: "✓";
  width: 18px;
  height: 18px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: #a8ceff;
  font-size: 12px;
  font-weight: 900;
}

.trust-card > img {
  width: 100%;
  margin-top: 26px;
  object-fit: contain;
}

.trust-wide > img {
  margin-top: 0;
}

.trust-card:not(.trust-wide) {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.trust-card:not(.trust-wide) > img {
  max-height: 210px;
  object-fit: contain;
  object-position: center bottom;
}

.trust-card > p {
  max-width: 420px;
  margin: 22px 0 0;
  color: #687488;
  font-size: 17px;
  line-height: 1.55;
}

.dark-zone {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: radial-gradient(circle at 90% 30%, #2b145e 0%, #17174a 46%, #101834 100%);
  isolation: isolate;
}

.particle-canvas {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  opacity: 0.5;
}

.dark-content {
  position: relative;
  padding: 78px 0;
}

.dark-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-bottom: 54px;
}

.dark-title h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.2;
  font-weight: 900;
}

.cube-icon {
  width: 50px;
  height: 42px;
  border: 6px solid #bf76ff;
  border-radius: 8px;
  box-shadow: 22px 13px 0 -6px #bf76ff, -22px 13px 0 -6px #bf76ff;
  transform: rotate(30deg);
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 36px;
}

.model-card {
  min-height: 260px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.08);
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.model-card:hover,
.advantage-card:hover {
  border-color: rgba(164, 121, 255, 0.45);
  background: rgba(255, 255, 255, 0.12);
}

.model-logo {
  width: 82px;
  height: 82px;
  display: grid;
  place-items: center;
  margin-bottom: 28px;
  border-radius: 50%;
  color: #fff;
  background: #fff;
  font-size: 28px;
  font-weight: 900;
}

.deepseek { color: #4f66ff; }
.doubao { color: #9b5d4d; }
.yuanbao { color: #00c976; }
.qianwen { color: #6756f1; }
.yiyan { color: #44bff3; }
.kimi { color: #111; }
.zhipu { color: #2659ff; }
.nami { color: #ed1c24; }
.more { color: #fff; background: #8d95a3; }

.model-card h3 {
  margin: 0;
  font-size: 26px;
  font-weight: 900;
}

.model-card p {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}

.advantage-card {
  min-height: 278px;
  padding: 44px 36px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.08);
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.adv-icon {
  display: block;
  height: 54px;
  font-size: 48px;
  line-height: 1;
  font-weight: 900;
}

.adv-icon.blue { color: #58a9ff; }
.adv-icon.purple { color: #be76ff; }
.adv-icon.pink { color: #ff6bb8; }
.adv-icon.green { color: #47df85; }
.adv-icon.orange { color: #ff9634; }
.adv-icon.cyan { color: #28d8ee; }

.advantage-card h3 {
  margin: 26px 0 0;
  font-size: 30px;
  font-weight: 900;
}

.advantage-card p {
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 22px;
  line-height: 1.55;
}

.cases {
  background: linear-gradient(113deg, #a9d0ff 0%, #e7f5ff 51%, #c1ebfa 100%);
}

.case-tabs {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin-bottom: 26px;
  padding: 5px;
  border: 1px solid #fff;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.5);
}

.case-tab {
  min-height: 46px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: #3d3d3d;
  font: inherit;
  cursor: pointer;
}

.case-tab.active {
  color: #fff;
  background: #007fff;
}

.case-card {
  position: relative;
  display: grid;
  grid-template-columns: 0.95fr 1fr;
  gap: 38px;
  align-items: center;
  padding: 40px;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 12px 36px rgba(111, 136, 158, 0.28);
}

.case-panel {
  display: none;
}

.case-panel.active {
  display: grid;
}

.case-badge {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  padding: 0 14px;
  border-radius: 10px;
  background: #d2e4ff;
  color: #007fff;
  font-size: 20px;
  font-weight: 900;
}

.case-card h3 {
  margin-top: 22px;
}

.case-card ul {
  padding: 0;
  margin: 26px 0 32px;
  list-style: none;
  color: #565e6d;
}

.case-card li {
  margin-top: 12px;
}

.case-card li::before {
  content: "";
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 10px;
  border-radius: 50%;
  background: #007fff;
}

.case-visual {
  position: relative;
  margin: 0;
}

.case-main-img {
  width: 100%;
  height: 390px;
  object-fit: cover;
  border-radius: 10px;
}

.case-float-img {
  position: absolute;
  left: -80px;
  top: 148px;
  z-index: 2;
  width: 192px;
  height: auto;
  filter: drop-shadow(0 18px 30px rgba(40, 58, 83, 0.18));
}

.proof {
  background: #f5f8fc;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.proof-card {
  min-height: 342px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  padding: 58px 48px 42px;
  border-radius: 12px;
  color: #fff;
  background-position: center;
  background-size: cover;
  box-shadow: 0 14px 34px rgba(18, 35, 57, 0.12);
}

.proof-main {
  text-align: center;
}

.proof-main h3 {
  margin: 0;
  font-size: 34px;
  line-height: 1.25;
  font-weight: 800;
}

.proof-main p {
  margin: 8px 0 0;
  font-size: 18px;
  line-height: 1.45;
}

.proof-points {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.proof-points span {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
  font-size: 16px;
  line-height: 1.45;
}

.proof-points img {
  width: 54px;
  height: 54px;
  padding: 13px;
  border-radius: 50%;
  background: rgba(235, 246, 255, 0.92);
}

.faq-section {
  background: linear-gradient(180deg, #f8fbff 0%, #ecf6ff 100%);
}

.faq-list {
  display: grid;
  gap: 20px;
}

.faq-item {
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 12px 28px rgba(120, 145, 180, 0.13);
  transition: box-shadow 180ms ease, transform 180ms ease;
}

.faq-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(120, 145, 180, 0.16);
}

.faq-question {
  position: relative;
  width: 100%;
  min-height: 78px;
  display: flex;
  align-items: center;
  padding: 0 70px 0 54px;
  color: #3d3d3d;
  font-size: 20px;
  line-height: 1.35;
  font-weight: 400;
}

.faq-question::before {
  content: "";
  position: absolute;
  left: 30px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #087cff;
}

.faq-question::after {
  content: "∨";
  position: absolute;
  right: 34px;
  color: #3d3d3d;
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
}

.faq-item.is-open .faq-question::after {
  content: "∧";
  color: #087cff;
}

.faq-item p {
  display: none;
  margin: -12px 0 0;
  padding: 0 70px 28px 54px;
  color: #8b95a6;
  font-size: 16px;
  line-height: 1.6;
}

.faq-item.is-open p {
  display: block;
}

.service {
  background: #f7fbff;
}

.service-grid {
  display: grid;
  grid-template-columns: 0.9fr 1fr;
  gap: 48px;
  align-items: center;
}

.service h2 {
  text-align: left;
}

.service img {
  border-radius: 16px;
  box-shadow: 0 20px 50px rgba(79, 112, 157, 0.18);
}

.float-contact {
  position: fixed;
  right: 16px;
  top: 32%;
  z-index: 15;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid #eef3fa;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 10px 24px rgba(30, 58, 96, 0.17);
}

.float-contact a {
  width: 82px;
  padding: 14px 8px;
  text-align: center;
  color: #3d3d3d;
  border-bottom: 1px solid #e7edf7;
  font-size: 13px;
}

.float-contact a:last-child {
  border-bottom: 0;
}

.footer {
  color: #adb5c3;
  background: #0b1024;
}

.footer-inner {
  min-height: 66px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 13px;
}

@media (max-width: 1100px) {
  .model-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .advantage-grid,
  .consult-grid,
  .service-grid,
  .case-card,
  .trust-wide,
  .proof-grid {
    grid-template-columns: 1fr;
  }

  .value-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .workflow-card,
  .workflow-card.wide {
    grid-column: span 3;
  }

  .case-tabs {
    grid-template-columns: repeat(4, 1fr);
    border-radius: 18px;
  }

  .trust-layout {
    padding: 24px;
  }

  .trust-wide {
    grid-column: auto;
  }

  .case-float-img {
    left: 28px;
    top: auto;
    bottom: 28px;
    width: 176px;
  }
}

@media (max-width: 760px) {
  .wrap {
    width: min(100% - 28px, 1200px);
  }

  .header-inner {
    height: auto;
    padding: 14px 0;
    flex-wrap: wrap;
  }

  .nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    margin-left: 0;
    gap: 18px;
    padding-bottom: 2px;
  }

  .header-phone {
    margin-left: auto;
  }

  .hero {
    min-height: 610px;
  }

  .hero-content {
    padding-top: 74px;
  }

  .hero-copy {
    font-size: 17px;
  }

  .btn11.ghost {
    margin-left: 0;
    margin-top: 12px;
  }

  .hero-tabs {
    bottom: 44px;
  }

  .section {
    padding: 64px 0;
  }

  .consult-card > img {
    height: 100%;
  }

  .consult-bar {
    align-items: flex-start;
    flex-direction: column;
  }

  .small-btn {
    margin-left: 0;
  }

  .value-grid,
  .model-grid,
  .advantage-grid {
    grid-template-columns: 1fr;
  }

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

  .workflow-card,
  .workflow-card.wide {
    grid-column: auto;
  }

  .model-card {
    min-height: 210px;
  }

  .advantage-card {
    min-height: auto;
  }

  .advantage-card p {
    font-size: 18px;
  }

  .case-tabs {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-layout {
    grid-template-columns: 1fr;
    padding: 0;
    background: transparent;
    box-shadow: none;
  }

  .trust-card {
    min-height: auto;
    padding: 24px;
  }

  .trust-card h3 {
    font-size: 26px;
  }

  .check-list {
    display: grid;
    gap: 12px;
    margin: 18px 0 24px;
  }

  .trust-card:not(.trust-wide) > img {
    max-height: none;
  }

  .case-card {
    padding: 22px;
  }

  .case-main-img {
    height: 260px;
  }

  .case-float-img {
    left: 18px;
    bottom: 18px;
    width: 138px;
  }

  .proof-card {
    min-height: 420px;
    padding: 42px 22px 30px;
  }

  .proof-main h3 {
    font-size: 28px;
  }

  .proof-points {
    grid-template-columns: repeat(2, 1fr);
  }

  .faq-question {
    min-height: 68px;
    padding: 0 52px 0 42px;
    font-size: 16px;
  }

  .faq-question::before {
    left: 22px;
  }

  .faq-question::after {
    right: 22px;
  }

  .faq-item p {
    margin: -8px 0 0;
    padding: 0 42px 24px;
    font-size: 14px;
  }

  .float-contact {
    display: none;
  }
}