/* ============================================================
   AAIGC 漫剧平台 + 大模型服务 — 首页嵌入样式
   对齐官网设计体系: 主色 #0e6eff, 深色 #0b131a, 正文 #213d67/#777
   容器: 1200px .inner
   ============================================================ */

/* ---------- 页面切换：默认隐藏 AAIGC 和 LLM 模块 ---------- */
[data-page="aigc"],
[data-page="llm"] {
  display: none;
}

[data-page="aigc"].page-active,
[data-page="llm"].page-active {
  display: block;
}

/* 切换到模块页时隐藏首页区块 */
.page-module [data-page="home"] {
  display: none;
}

/* ---------- 覆盖首页 .inner 的 height:100%，避免撑开容器 ---------- */
[data-page="aigc"] .inner,
[data-page="llm"] .inner {
  height: auto;
}

/* ---------- 通用标题/描述（仅在 aigc/llm 区块内生效） ---------- */
.aigc-section .section-title,
.aigc-ability-section .section-title,
.aigc-data-section .section-title,
.aigc-flow-section .section-title,
.aigc-revenue-section .section-title,
.aigc-showcase-section .section-title,
.aigc-tech-section .section-title,
.llm-overview-block .section-title,
.llm-service-section .section-title,
.llm-model-section .section-title,
.llm-arch-block .section-title,
.llm-scenario-block .section-title,
.llm-advantage-block .section-title {
  font-family: "PingFang SC";
  font-size: 40px;
  font-weight: 500;
  line-height: 50px;
  letter-spacing: 0.02em;
  text-align: center;
  color: #000000;
  margin-bottom: 20px;
}

.aigc-section .section-desc,
.aigc-ability-section .section-desc,
.aigc-flow-section .section-desc,
.aigc-revenue-section .section-desc,
.aigc-showcase-section .section-desc,
.aigc-tech-section .section-desc,
.llm-overview-block .section-desc,
.llm-service-section .section-desc,
.llm-model-section .section-desc,
.llm-arch-block .section-desc,
.llm-scenario-block .section-desc,
.llm-advantage-block .section-desc {
  font-family: "PingFang SC";
  font-size: 18px;
  font-weight: 400;
  line-height: 32px;
  letter-spacing: 0.02em;
  text-align: center;
  color: #777777;
  margin-bottom: 60px;
}

.section-title-light {
  color: #ffffff !important;
}

/* ================================================================
   AAIGC — 核心价值对比
   ================================================================ */
.aigc-section {
  padding: 100px 0;
  background: linear-gradient(274.19deg, #d7eefd 0%, #eafafe 14.7%, #f1f9ff 30.61%, #f5f9ff 47.54%, #f6fbff 67.02%, #f5feff 74.47%, #eff6fe 98.44%);
}

.pain-gain {
  display: flex;
  gap: 30px;
}

.pain-col,
.gain-col {
  flex: 1;
  border-radius: 12px;
  overflow: hidden;
  background: #ffffff;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

.col-header {
  padding: 24px 32px;
  font-family: "PingFang SC";
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #ffffff;
  text-align: center;
}

.col-pain {
  background: linear-gradient(135deg, #64748b, #475569);
}

.col-gain {
  background: linear-gradient(93.69deg, #0081fe 3.64%, #01a4ff 99.08%);
}

.col-body {
  padding: 28px 32px;
}

.pain-item,
.gain-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 22px;
  opacity: 0;
  transform: translateX(-20px);
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.pain-item:last-child,
.gain-item:last-child {
  margin-bottom: 0;
}

.pain-item.visible,
.gain-item.visible {
  opacity: 1;
  transform: translateX(0);
}

.gain-item {
  transform: translateX(20px);
}

.pain-x {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 4px;
  border-radius: 50%;
  background: #e2e8f0;
  position: relative;
}

.pain-x::before,
.pain-x::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 2px;
  background: #94a3b8;
  border-radius: 1px;
}

.pain-x::before { transform: translate(-50%, -50%) rotate(45deg); }
.pain-x::after { transform: translate(-50%, -50%) rotate(-45deg); }

.gain-check {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 4px;
  border-radius: 50%;
  background: rgba(14, 110, 255, 0.12);
  position: relative;
}

.gain-check::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 5px;
  border-left: 2px solid #0e6eff;
  border-bottom: 2px solid #0e6eff;
  transform: translate(-50%, -65%) rotate(-45deg);
}

.pain-name,
.gain-name {
  font-family: "PingFang SC";
  font-size: 17px;
  font-weight: 600;
  color: #213d67;
  line-height: 1.5;
  margin-bottom: 4px;
}

.gain-name {
  color: #0e6eff;
}

.pain-desc,
.gain-desc {
  font-family: "PingFang SC";
  font-size: 15px;
  font-weight: 400;
  color: #777777;
  line-height: 1.7;
}

/* ================================================================
   AAIGC — 四大核心能力
   ================================================================ */
.aigc-ability-section {
  padding: 100px 0;
  background: #ffffff;
}

.ability-grid {
  display: flex;
  gap: 24px;
}

.ability-card {
  flex: 1;
  padding: 40px 28px 32px;
  background: linear-gradient(127.81deg, #ffffff -6.89%, rgba(255, 255, 255, 0.25) 85.79%);
  border: 1px solid rgba(14, 110, 255, 0.08);
  border-radius: 12px;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
}

.ability-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(14, 110, 255, 0.12);
  border-color: rgba(14, 110, 255, 0.2);
}

.ability-icon {
  width: 52px;
  height: 52px;
  color: #0e6eff;
  margin-bottom: 20px;
}

.ability-icon svg {
  width: 100%;
  height: 100%;
}

.ability-num {
  font-family: "BigruixianBlackGBV1.0";
  font-size: 20px;
  color: #0181ff;
  opacity: 0.25;
  line-height: 1;
  margin-bottom: 12px;
}

.ability-name {
  font-family: "PingFang SC";
  font-size: 22px;
  font-weight: 600;
  color: #000000;
  line-height: 1.4;
  margin-bottom: 12px;
}

.ability-desc {
  font-family: "PingFang SC";
  font-size: 15px;
  color: #777777;
  line-height: 1.8;
  margin-bottom: 20px;
}

.ability-highlight {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(14, 110, 255, 0.06);
  border: 1px solid rgba(14, 110, 255, 0.12);
  border-radius: 4px;
  font-family: "PingFang SC";
  font-size: 13px;
  font-weight: 500;
  color: #0e6eff;
}

/* ================================================================
   AAIGC — 提效数据
   ================================================================ */
.aigc-data-section {
  padding: 100px 0;
  background: #0b131a;
}

.data-layout {
  display: flex;
  gap: 60px;
  align-items: center;
}

.data-text {
  flex-shrink: 0;
  width: 400px;
}

.data-text .section-title-light {
  text-align: left;
  margin-bottom: 20px;
}

.data-desc {
  font-family: "PingFang SC";
  font-size: 16px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.9;
  margin-bottom: 32px;
}

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

.data-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 28px 24px;
  transition: all 0.3s;
}

.data-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(14, 110, 255, 0.25);
}

.data-card-num {
  font-family: "Poppins";
  font-size: 38px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.2;
  margin-bottom: 8px;
}

.data-card-label {
  font-family: "PingFang SC";
  font-size: 14px;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 16px;
}

.data-card-bar {
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #0e6eff, #01a4ff);
  border-radius: 2px;
  transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ================================================================
   AAIGC — 创作流程
   ================================================================ */
.aigc-flow-section {
  padding: 100px 0;
  background: linear-gradient(274.19deg, #d7eefd 0%, #eafafe 14.7%, #f1f9ff 30.61%, #f5f9ff 47.54%, #f6fbff 67.02%, #f5feff 74.47%, #eff6fe 98.44%);
}

.flow-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

.flow-step {
  flex: 1;
  text-align: center;
  padding: 0 10px;
}

.flow-marker {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  background: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(14, 110, 255, 0.12);
}

.flow-num {
  font-family: "BigruixianBlackGBV1.0";
  font-size: 24px;
  color: #0181ff;
}

.flow-visual {
  margin-bottom: 20px;
  border-radius: 10px;
  overflow: hidden;
}

.flow-placeholder {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "PingFang SC";
  font-size: 17px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
}

.flow-name {
  font-family: "PingFang SC";
  font-size: 20px;
  font-weight: 600;
  color: #000000;
  margin-bottom: 8px;
}

.flow-desc {
  font-family: "PingFang SC";
  font-size: 14px;
  color: #777777;
  line-height: 1.8;
}

.flow-arrow {
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, #0e6eff, rgba(14, 110, 255, 0.2));
  margin-top: 106px;
  flex-shrink: 0;
}

/* ================================================================
   AAIGC — 创收场景
   ================================================================ */
.aigc-revenue-section {
  padding: 100px 0;
  background: linear-gradient(274.19deg, #d7eefd 0%, #eafafe 14.7%, #f1f9ff 30.61%, #f5f9ff 47.54%, #f6fbff 67.02%, #f5feff 74.47%, #eff6fe 98.44%);
}

.revenue-grid {
  display: flex;
  gap: 24px;
}

.revenue-card {
  flex: 1;
  background: #ffffff;
  border-radius: 12px;
  padding: 36px 28px;
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.04);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
}

.revenue-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(14, 110, 255, 0.1);
}

.revenue-icon {
  width: 44px;
  height: 44px;
  color: #0e6eff;
  margin-bottom: 20px;
}

.revenue-icon svg {
  width: 100%;
  height: 100%;
}

.revenue-name {
  font-family: "PingFang SC";
  font-size: 20px;
  font-weight: 600;
  color: #213d67;
  margin-bottom: 10px;
}

.revenue-desc {
  font-family: "PingFang SC";
  font-size: 14px;
  color: #777777;
  line-height: 1.8;
  margin-bottom: 16px;
}

.revenue-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(14, 110, 255, 0.06);
  border-radius: 4px;
  font-family: "PingFang SC";
  font-size: 12px;
  font-weight: 500;
  color: #0e6eff;
}

/* ================================================================
   大模型服务 — 概述
   ================================================================ */
.llm-overview-block {
  padding: 100px 0;
  background: linear-gradient(274.19deg, #d7eefd 0%, #eafafe 14.7%, #f1f9ff 30.61%, #f5f9ff 47.54%, #f6fbff 67.02%, #f5feff 74.47%, #eff6fe 98.44%);
}

.llm-flex-box {
  display: flex;
  align-items: center;
  gap: 60px;
}

.llm-left {
  flex: 1;
}

.llm-right {
  flex: 1;
}

.llm-img-placeholder {
  width: 100%;
  height: 380px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "PingFang SC";
  font-size: 18px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
}

.block-title {
  margin-bottom: 16px;
}

.block-title img {
  width: 30px;
  height: 30px;
  margin-right: 10px;
  vertical-align: top;
}

.block-title span {
  font-family: "PingFang SC";
  font-size: 24px;
  font-weight: 600;
  line-height: 30px;
  color: #213d67;
}

.block-content {
  font-family: "PingFang SC";
  font-size: 18px;
  font-weight: 400;
  line-height: 40px;
  letter-spacing: 0.03em;
  color: #213d67;
  margin-bottom: 20px;
}

.block-highlights {
  margin-top: 10px;
}

.hl-item {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  font-family: "PingFang SC";
  font-size: 16px;
  font-weight: 500;
  color: #213d67;
  line-height: 32px;
}

.hl-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #0e6eff;
  flex-shrink: 0;
}

/* ================================================================
   大模型服务 — 三大核心服务
   ================================================================ */
.llm-service-section {
  padding: 100px 0;
  background: #ffffff;
}

.service-grid {
  display: flex;
  gap: 24px;
}

.service-card {
  flex: 1;
  background: linear-gradient(127.81deg, #ffffff -6.89%, rgba(255, 255, 255, 0.25) 85.79%);
  border: 1px solid rgba(14, 110, 255, 0.08);
  border-radius: 12px;
  padding: 40px 28px 32px;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(14, 110, 255, 0.1);
  border-color: rgba(14, 110, 255, 0.2);
}

.service-icon {
  width: 52px;
  height: 52px;
  color: #0e6eff;
  margin-bottom: 16px;
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

.service-num {
  font-family: "BigruixianBlackGBV1.0";
  font-size: 20px;
  color: #0181ff;
  opacity: 0.2;
  line-height: 1;
  margin-bottom: 10px;
}

.service-name {
  font-family: "PingFang SC";
  font-size: 22px;
  font-weight: 600;
  color: #213d67;
  margin-bottom: 12px;
}

.service-desc {
  font-family: "PingFang SC";
  font-size: 15px;
  color: #777777;
  line-height: 1.8;
  margin-bottom: 20px;
}

.service-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.service-list li {
  position: relative;
  padding-left: 18px;
  font-family: "PingFang SC";
  font-size: 14px;
  color: #213d67;
  line-height: 2;
}

.service-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #3988ff;
}

/* ================================================================
   大模型服务 — 支持模型
   ================================================================ */
.llm-model-section {
  padding: 100px 0;
  background: linear-gradient(274.19deg, #d7eefd 0%, #eafafe 14.7%, #f1f9ff 30.61%, #f5f9ff 47.54%, #f6fbff 67.02%, #f5feff 74.47%, #eff6fe 98.44%);
}

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

.model-card {
  background: #ffffff;
  border-radius: 10px;
  padding: 28px 24px;
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: all 0.3s;
  cursor: pointer;
}

.model-card:hover {
  box-shadow: 0 8px 30px rgba(14, 110, 255, 0.1);
  border-color: rgba(14, 110, 255, 0.15);
  transform: translateY(-4px);
}

.model-name {
  font-family: "Poppins", "PingFang SC";
  font-size: 24px;
  font-weight: 700;
  color: #213d67;
  margin-bottom: 4px;
}

.model-vendor {
  font-family: "PingFang SC";
  font-size: 14px;
  color: #999;
  margin-bottom: 14px;
}

.model-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.model-tags span {
  padding: 3px 10px;
  background: rgba(14, 110, 255, 0.06);
  border-radius: 4px;
  font-family: "PingFang SC";
  font-size: 12px;
  color: #0e6eff;
}

/* ================================================================
   大模型服务 — 技术架构
   ================================================================ */
.llm-arch-block {
  padding: 100px 0;
  background: #ffffff;
}

.arch-visual {
  margin-top: 10px;
}

.arch-placeholder {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(14, 110, 255, 0.1);
}

.arch-layer {
  display: flex;
  align-items: center;
  padding: 20px 30px;
  border-bottom: 1px solid rgba(14, 110, 255, 0.06);
}

.arch-layer:last-child {
  border-bottom: none;
}

.layer-label {
  flex-shrink: 0;
  width: 100px;
  font-family: "PingFang SC";
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  padding: 6px 14px;
  border-radius: 6px;
  margin-right: 24px;
  text-align: center;
}

.layer-app .layer-label {
  background: linear-gradient(93.69deg, #0081fe 3.64%, #01a4ff 99.08%);
}

.layer-mid .layer-label {
  background: linear-gradient(93.69deg, #0e6eff 3.64%, #3b8bff 99.08%);
}

.layer-model .layer-label {
  background: linear-gradient(93.69deg, #0181ff 3.64%, #3988ff 99.08%);
}

.layer-infra .layer-label {
  background: linear-gradient(93.69deg, #0158d0 3.64%, #2d7ae6 99.08%);
}

.layer-items-infra {
  flex-wrap: nowrap;
}

.layer-items {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.layer-items span {
  padding: 6px 14px;
  background: rgba(14, 110, 255, 0.06);
  border: 1px solid rgba(14, 110, 255, 0.1);
  border-radius: 4px;
  font-family: "PingFang SC";
  font-size: 14px;
  color: #213d67;
}

/* ================================================================
   大模型服务 — 应用场景
   ================================================================ */
.llm-scenario-block {
  padding: 100px 0;
  background: linear-gradient(274.19deg, #d7eefd 0%, #eafafe 14.7%, #f1f9ff 30.61%, #f5f9ff 47.54%, #f6fbff 67.02%, #f5feff 74.47%, #eff6fe 98.44%);
}

.scenario-list {
  margin-top: 16px;
}

.scenario-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 16px;
}

.scenario-item:last-child {
  margin-bottom: 0;
}

.item-right {
  display: flex;
  flex-direction: column;
}

.right-title {
  font-family: "PingFang SC";
  font-size: 18px;
  font-weight: 600;
  line-height: 30px;
  color: #3988ff;
  margin-bottom: 4px;
}

.right-title .num {
  font-family: "BigruixianBlackGBV1.0";
  font-size: 20px;
  color: #0181ff;
  margin-right: 8px;
}

.right-list {
  font-family: "PingFang SC";
  font-size: 16px;
  font-weight: 400;
  line-height: 30px;
  letter-spacing: 0.03em;
  color: #213d67;
}

/* ================================================================
   大模型服务 — 服务优势
   ================================================================ */
.llm-advantage-block {
  padding: 100px 0;
  background: #ffffff;
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.adv-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 32px 28px;
  background: linear-gradient(269.38deg, #f1f7ff 0.59%, #fafcff 99.56%);
  border-radius: 10px;
  border: 1px solid rgba(14, 110, 255, 0.06);
  transition: all 0.3s;
  cursor: pointer;
}

.adv-card:hover {
  border-color: rgba(14, 110, 255, 0.18);
  box-shadow: 0 8px 30px rgba(14, 110, 255, 0.08);
}

.adv-icon {
  width: 44px;
  height: 44px;
  color: #0e6eff;
  flex-shrink: 0;
}

.adv-icon svg {
  width: 100%;
  height: 100%;
}

.adv-name {
  font-family: "PingFang SC";
  font-size: 20px;
  font-weight: 600;
  color: #213d67;
  margin-bottom: 8px;
}

.adv-desc {
  font-family: "PingFang SC";
  font-size: 15px;
  color: #777777;
  line-height: 1.8;
}

/* ================================================================
   AAIGC — Banner
   ================================================================ */
.aigc-banner {
  height: 700px;
  position: relative;
  overflow: hidden;
}

.aigc-banner-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0b131a 0%, #0d2847 35%, #0e3a6e 65%, #0e6eff 100%);
}

.aigc-banner .inner {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 700px;
}

.aigc-banner-info {
  padding-top: 0;
  max-width: 620px;
}

.aigc-banner-tag {
  display: inline-block;
  padding: 6px 18px;
  background: rgba(14, 110, 255, 0.2);
  border: 1px solid rgba(14, 110, 255, 0.35);
  border-radius: 20px;
  font-family: "PingFang SC";
  font-size: 13px;
  font-weight: 500;
  color: #7eb8ff;
  letter-spacing: 0.08em;
  margin-bottom: 28px;
}

.aigc-banner-title {
  font-family: "YouSheBiaoTiHei";
  font-size: 52px;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.03em;
  color: #ffffff;
  margin-bottom: 16px;
}

.aigc-banner-subtitle {
  font-family: "PingFang SC";
  font-size: 22px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
  letter-spacing: 0.04em;
  margin-bottom: 24px;
}

.aigc-banner-con {
  font-family: "PingFang SC";
  font-size: 18px;
  font-weight: 400;
  line-height: 36px;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.75);
}

.aigc-banner-dashboard {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.aigc-dash-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 24px 32px;
  backdrop-filter: blur(10px);
  min-width: 220px;
  transition: all 0.3s;
}

.aigc-dash-card:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(14, 110, 255, 0.3);
  transform: translateX(-4px);
}

.aigc-dash-num {
  font-family: "Poppins";
  font-size: 36px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.2;
  margin-bottom: 6px;
}

.aigc-dash-label {
  font-family: "PingFang SC";
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.03em;
}

/* ================================================================
   AAIGC — 作品展示
   ================================================================ */
.aigc-showcase-section {
  padding: 100px 0;
  background: #ffffff;
}

.showcase-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 50px;
}

.showcase-tabs .tab {
  padding: 10px 28px;
  font-family: "PingFang SC";
  font-size: 16px;
  font-weight: 500;
  color: #444;
  background: linear-gradient(93.69deg, #f1f8ff 3.64%, #e9f7ff 99.08%);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.25s;
}

.showcase-tabs .tab:hover,
.showcase-tabs .tab.active {
  background: linear-gradient(93.69deg, #0081fe 3.64%, #01a4ff 99.08%);
  color: #ffffff;
}

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

.showcase-item {
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.showcase-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.showcase-img {
  height: 260px;
  overflow: hidden;
}

.showcase-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "PingFang SC";
  font-size: 20px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  transition: transform 0.5s;
}

.showcase-item:hover .showcase-placeholder {
  transform: scale(1.06);
}

.showcase-info {
  padding: 20px 24px;
  background: #fff;
}

.showcase-name {
  font-family: "PingFang SC";
  font-size: 18px;
  font-weight: 600;
  color: #213d67;
  margin-bottom: 4px;
}

.showcase-meta {
  font-family: "PingFang SC";
  font-size: 14px;
  color: #999;
}

/* ================================================================
   AAIGC — 技术保障
   ================================================================ */
.aigc-tech-section {
  padding: 100px 0;
  background: #ffffff;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.tech-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 32px 28px;
  background: linear-gradient(269.38deg, #f1f7ff 0.59%, #fafcff 99.56%);
  border-radius: 10px;
  border: 1px solid rgba(14, 110, 255, 0.06);
  transition: all 0.3s;
  cursor: pointer;
}

.tech-card:hover {
  border-color: rgba(14, 110, 255, 0.18);
  box-shadow: 0 8px 30px rgba(14, 110, 255, 0.08);
}

.tech-dot {
  width: 10px;
  height: 10px;
  flex-shrink: 0;
  margin-top: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0e6eff, #01a4ff);
  box-shadow: 0 0 8px rgba(14, 110, 255, 0.4);
}

.tech-name {
  font-family: "PingFang SC";
  font-size: 20px;
  font-weight: 600;
  color: #213d67;
  margin-bottom: 8px;
}

.tech-desc {
  font-family: "PingFang SC";
  font-size: 14px;
  color: #777777;
  line-height: 1.8;
}

/* ================================================================
   AAIGC / LLM — 通用 CTA 区块
   ================================================================ */
.aigc-cta-section,
.llm-cta-section {
  padding: 100px 0;
  background: #0b131a;
  position: relative;
  overflow: hidden;
}

.aigc-cta-section::before,
.llm-cta-section::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -15%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14, 110, 255, 0.12), transparent 70%);
  pointer-events: none;
}

.aigc-cta-section .section-desc,
.llm-cta-section .section-desc {
  color: rgba(255, 255, 255, 0.6) !important;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.btn-primary {
  display: inline-block;
  padding: 14px 40px;
  background: linear-gradient(93.69deg, #0081fe 3.64%, #01a4ff 99.08%);
  color: #ffffff;
  font-family: "PingFang SC";
  font-size: 16px;
  font-weight: 500;
  border-radius: 6px;
  text-decoration: none;
  cursor: pointer;
  transition: box-shadow 0.3s, transform 0.3s;
  border: none;
  letter-spacing: 0.02em;
}

.btn-primary:hover {
  box-shadow: 0 8px 25px rgba(14, 110, 255, 0.35);
  transform: translateY(-2px);
}

.btn-white {
  background: #ffffff;
  color: #0e6eff;
}

.btn-white:hover {
  box-shadow: 0 8px 25px rgba(255, 255, 255, 0.25);
}

/* ================================================================
   LLM — Banner
   ================================================================ */
.llm-banner {
  height: 520px;
  position: relative;
  overflow: hidden;
}

.llm-banner-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0b131a 0%, #0d2847 30%, #0e3a6e 60%, #0e6eff 100%);
}

.llm-banner .inner {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  height: 520px;
}

.llm-banner-info {
  max-width: 700px;
}

.llm-banner-title {
  font-family: "FZLanTingHei-EB-GBK";
  font-size: 40px;
  font-weight: 400;
  line-height: 50px;
  letter-spacing: 0.02em;
  color: #ffffff;
  margin-bottom: 12px;
}

.llm-banner-subtitle {
  font-family: "PingFang SC";
  font-size: 22px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 20px;
  letter-spacing: 0.03em;
}

.llm-banner-con {
  font-family: "PingFang SC";
  font-size: 18px;
  font-weight: 400;
  line-height: 36px;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.7);
}

/* ================================================================
   滚动动画
   ================================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.ability-card:nth-child(2),
.data-card:nth-child(2),
.revenue-card:nth-child(2),
.service-card:nth-child(2),
.model-card:nth-child(2),
.adv-card:nth-child(2),
.tech-card:nth-child(2) { transition-delay: 0.08s; }

.ability-card:nth-child(3),
.data-card:nth-child(3),
.revenue-card:nth-child(3),
.service-card:nth-child(3),
.model-card:nth-child(3),
.adv-card:nth-child(3),
.tech-card:nth-child(3) { transition-delay: 0.16s; }

.ability-card:nth-child(4),
.data-card:nth-child(4),
.revenue-card:nth-child(4),
.adv-card:nth-child(4),
.tech-card:nth-child(4) { transition-delay: 0.24s; }

.showcase-item:nth-child(2) { transition-delay: 0.1s; }
.showcase-item:nth-child(3) { transition-delay: 0.2s; }
.showcase-item:nth-child(4) { transition-delay: 0.15s; }
.showcase-item:nth-child(5) { transition-delay: 0.25s; }
.showcase-item:nth-child(6) { transition-delay: 0.3s; }

.model-card:nth-child(4) { transition-delay: 0.12s; }
.model-card:nth-child(5) { transition-delay: 0.20s; }
.model-card:nth-child(6) { transition-delay: 0.28s; }

@media (prefers-reduced-motion: reduce) {
  .fade-up { opacity: 1; transform: none; transition: none; }
}