.ai-banner-content {
  padding-bottom: 80px;
}

.ai-banner.aiprototype {
  background: linear-gradient(180deg, #FFFFFF 5%, #E6D5FF 100%);
}

.ai-banner-content .title .banner-decoration {
  top: -12%;
  right: -3%;
}

.ai-banner-content .title .banner-underline {
  transform: translate(-50%, 100%);
}

.ai-banner.aiprototype .title-color {
  background: linear-gradient(177.59deg, #832FFF 2.02%, #D754FF 147.76%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.second-part .section1-item-desc {
  max-width: 388px;
}

/* Section2 深色背景与文案 */
.section2.aiprototype {
  background: linear-gradient(137deg, rgba(131, 47, 255, 0.5) 0%, rgba(131, 47, 255, 0.9) 50%, #832FFF 100%);
  padding-top: 80px;
  position: relative;
}

.section2.aiprototype .text-color {
  color: #FFCB00;
}

.section2.aiprototype .section2-title {
  color: #fff;
  line-height: 1.35;
  max-width: 1100px;
}

.section2.aiprototype .section2-cases {
  margin-top: 44px;
  gap: 24px;
  width: 100%;
  max-width: 1124px;
}

.section2.aiprototype .section2-case {
  gap: 16px;
}

.section2.aiprototype .section2-case-icon {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  margin-top: 2px;
}

.section2.aiprototype .section2-case-text {
  color: rgba(255, 255, 255, 0.9);
  font-size: 16px;
  line-height: 1.75;
  margin: 0;
}

.section2.aiprototype .section2-case-title {
  display: inline-block;
  font-weight: 700;
  color: #fff;
  margin-right: 10px;
}

@media (max-width: 1200px) {
  .ai-banner-content .title-color {
    line-height: 2em;
  }
}

@media (max-width: 992px) {
  .section2.aiprototype {
    padding-top: 60px;
  }
}

@media (max-width: 500px) {
  .section2.aiprototype {
    padding-top: 24px;
  }

  .section2.aiprototype .section2-cases {
    margin-top: 18px;
  }
}

/* ========== Banner 输入区、模式选择、专家模式、轮播（与 ai中文 一致） ========== */
.ai-banner.aiprototype .prompt-quick-container {
  display: flex;
  width: calc(100% - 32px);
  max-width: 790px;
  padding: 6px;
  margin: 0 auto;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  border-radius: 24px;
  background-clip: padding-box, border-box;
  background-origin: padding-box, border-box;
  background-image: linear-gradient(95.65deg, rgba(255, 196, 1, 0.45) 9.82%, rgba(255, 98, 132, 0.45) 26.99%, rgba(236, 121, 255, 0.45) 44.64%, rgba(176, 153, 236, 0.45) 62.23%, rgba(109, 216, 255, 0.45) 79.07%, rgba(0, 222, 208, 0.45) 96.76%);
  box-shadow: rgba(0, 7, 201, 0.1) 0px 4px 24px 0px;
  margin-top: 48px;
}

.ai-banner.aiprototype .prompt-input-container {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  row-gap: 8px;
  background: #fff;
  border-radius: 20px;
  position: relative;
  padding: 16px;
}

.ai-banner.aiprototype .prompt-input-container textarea {
  width: 100%;
  height: 96px;
  padding: 0;
  border: none;
  resize: none;
  font-size: 16px;
  line-height: 28px;
}

.ai-banner.aiprototype .prompt-input-container textarea:focus {
  outline: none;
  border: none;
}

.ai-banner.aiprototype .bottom-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  align-self: stretch;
}

.ai-banner.aiprototype .mode-select {
  padding: 5px 8px;
  border: 1px solid #E1E4F0;
  border-radius: 22px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}

.ai-banner.aiprototype .mode-select:hover {
  background: rgba(87, 104, 161, 0.08);
}

.ai-banner.aiprototype .mode-text {
  font-size: 14px;
}

#mode-arrow {
  transition: transform 0.3s ease;
}

#mode-arrow.rotated {
  transform: rotate(180deg);
}

.ai-banner.aiprototype .mode-select-container {
  position: relative;
}

.ai-banner.aiprototype .mode-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 215px;
  background: #fff;
  border-radius: 8px;
  padding: 8px;
  z-index: 1000;
  box-shadow: 0 4px 10px 0 rgba(0, 18, 38, 0.1);
}

.ai-banner.aiprototype .mode-dropdown::before {
  content: '';
  position: absolute;
  top: -4px;
  left: 0;
  right: 0;
  height: 4px;
  background: transparent;
}

.ai-banner.aiprototype .mode-option {
  display: flex;
  align-items: center;
  padding: 8px 6px;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.2s ease;
  position: relative;
}

.ai-banner.aiprototype .mode-option:nth-child(2) {
  margin-top: 8px;
}

.ai-banner.aiprototype .mode-option:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

.ai-banner.aiprototype .mode-option.selected {
  background: rgba(87, 104, 161, 0.08);
}

.ai-banner.aiprototype .mode-option-icon {
  width: 32px;
  height: 32px;
  margin-right: 8px;
  flex-shrink: 0;
}

.ai-banner.aiprototype .mode-option-content {
  flex: 1;
}

.ai-banner.aiprototype .mode-option-name {
  font-size: 12px;
  line-height: 18px;
  font-weight: 500;
}

.ai-banner.aiprototype .mode-option-desc {
  font-size: 11px;
  line-height: 100%;
  color: #8B8C8F;
  margin-top: 2px;
}

.ai-banner.aiprototype .mode-option-check {
  position: absolute;
  top: 0;
  right: 0;
  width: 22px;
  height: 22px;
}

.ai-banner.aiprototype .mode-option:not(.selected) .mode-option-check {
  display: none;
}

.ai-banner.aiprototype .current-agent-type {
  padding: 0 8px 0 10px;
  background-color: #6669FF;
  color: #fff;
  border-radius: 100px;
  height: 32px;
  cursor: pointer;
  display: flex;
  align-items: center;
  box-sizing: border-box;
  font-size: 14px;
}

.ai-banner.aiprototype .current-agent-type .type-icon {
  margin-right: 4px;
}

.ai-banner.aiprototype .submit-button {
  width: 36px;
  height: 36px;
  margin-right: 8px;
  background: rgba(30, 16, 48, 1);
  border: none;
  cursor: not-allowed;
}

.ai-banner.aiprototype .submit-button.can-click {
  cursor: pointer;
}

.ai-banner.aiprototype .submit-button svg {
  width: 36px;
  height: 36px;
}

.ai-banner.aiprototype .submit-button:not(.can-click) svg rect {
  fill: ;
}

.ai-banner.aiprototype .submit-button:not(.can-click) svg path {
  fill: rgba(255, 255, 255, 1);
}

.ai-banner.aiprototype .aside-btn {
  display: flex;
  gap: 8px;
}

.ai-banner.aiprototype .ai-prototype {
  gap: 4px;
  display: flex;
  align-items: center;
  width: fit-content;
  height: 32px;
  border: 1px solid transparent;
  border-radius: 100px;
  position: relative;
  background: #fff;
  background-clip: padding-box;
  cursor: pointer;
}

.ai-banner.aiprototype .ai-prototype span {
  font-weight: 400;
  font-size: 14px;
  line-height: 22px;
  margin-right: 10px;
}

.ai-banner.aiprototype .ai-prototype::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  bottom: 0;
  z-index: -1;
  margin: -1px;
  border-radius: inherit;
  background: linear-gradient(to right, #90E5FF 1.67%, #988EFF 29.26%, #FFB2E9 81.79%, #FFC01F 110.38%);
}

.ai-banner.aiprototype .ai-prototype .img-icon {
  width: 24px;
  height: 24px;
  margin-left: 8px;
}

.ai-banner.aiprototype .quick-prompt-list {
  max-width: 790px;
  width: calc(100% - 32px);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 16px;
  font-size: clamp(8px, 1.5vw, 13px) !important;
}

.ai-banner.aiprototype .quick-prompt-list .quick-prompt-list-container {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: nowrap;
}

.ai-banner.aiprototype .quick-prompt-list .quick-prompt-label {
  align-self: flex-start;
  color: #8B8C8F;
  font-size: 14px;
}

.ai-banner.aiprototype .quick-prompt-list .quick-prompt-list-container .quick-prompt-button {
  width: 13.85em;
  height: 3.08em;
  border-radius: 114px;
  border: none;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.615em;
  font-weight: 500;
  overflow: hidden;
  background: #fff;
  white-space: nowrap;
}

.ai-banner.aiprototype .quick-prompt-list .quick-prompt-list-container .quick-prompt-button:hover {
  border: 1px solid transparent;
  border-radius: 114px;
  background-clip: padding-box, border-box;
  background-origin: padding-box, border-box;
}

.ai-banner.aiprototype .quick-prompt-list .quick-prompt-list-container .quick-prompt-button:focus {
  outline: none;
}

.ai-banner.aiprototype .quick-prompt-list .quick-prompt-list-container .quick-prompt-button svg {
  width: 1.85em;
  height: 1.85em;
}

/* carousel */
.ai-banner.aiprototype .carousel-section {
  margin-top: 80px;
  width: 100%;
  overflow: hidden;
}

.ai-banner.aiprototype .carousel-container {
  width: 100%;
  overflow: hidden;
}

.ai-banner.aiprototype .carousel-track {
  display: flex;
  align-items: center;
  width: fit-content;
  animation: scroll-carousel 40s linear infinite;
  will-change: transform;
}

.ai-banner.aiprototype .carousel-track:hover {
  animation-play-state: paused;
}

.ai-banner.aiprototype .carousel-item {
  margin-right: 30px;
  padding: 6px;
  border-radius: 22px;
  overflow: hidden;
  position: relative;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.06) 100%);
  border: 1px solid transparent;
  background-clip: padding-box;
  box-shadow: 0 8.55px 34.22px 0 rgba(0, 71, 186, 0.1), inset 0 0 0 1px rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(125.46px);
}

.ai-banner.aiprototype .carousel-item img {
  border-radius: 18px;
}

.ai-banner.aiprototype .carousel-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 22px;
  padding: 1px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0.045) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.ai-banner.aiprototype .carousel-item:hover .btn-wrapper {
  opacity: 1;
}


.ai-banner.aiprototype .btn-wrapper {
  background-color: #fff;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 44px;
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.3s;
}

.ai-banner.aiprototype .btn-ai-carousel svg path {
  fill: #fff;
}

.ai-banner.aiprototype .btn-ai-carousel {
  padding: 0.6em 1em;
  background: linear-gradient(92.64deg, rgba(43, 89, 255, 0.8) 0.91%, rgba(167, 40, 255, 0.8) 51.51%, rgba(255, 78, 228, 0.8) 95.77%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  line-height: 24px;
  text-decoration: none;
  color: #fff;
  z-index: 2;
  white-space: nowrap;
}

.ai-banner.aiprototype .btn-ai-carousel:hover {
  color: #fff;
  background: linear-gradient(92.64deg, rgba(43, 89, 255, 0.8) 0.91%, rgba(167, 40, 255, 0.8) 51.51%, rgba(255, 78, 228, 0.8) 95.77%);
  text-decoration: none;
}

.ai-banner.aiprototype .btn-ai-carousel svg {
  margin-left: 6px;
  transform: translateY(2px);
}

.ai-banner.aiprototype .carousel-item.large {
  width: 402px;
  height: 254px;
}

.ai-banner.aiprototype .carousel-item.small {
  width: 321px;
  height: 204px;
}

.decoration-text-icon3 {
  height: 60%;
  top: -50%;
  transform: translateX(-50%);
}

.aiprototype-workflow {
  flex-wrap: nowrap;
  align-items: flex-start;
  font-size: clamp(10px, 1.5vw, 16px);
  gap: 2.375em;
}

.aiprototype-workflow .title {
  font-size: 1.5em;
  margin-bottom: 1em;
}
.aiprototype-workflow p {
  font-size: 1;
}

@keyframes scroll-carousel {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}

@media (max-width: 768px) {

  .ai-banner.aiprototype .prompt-input-container textarea {
    height: 64px;
    font-size: 14px;
    line-height: 20px;
  }

  .ai-banner.aiprototype .quick-prompt-list {
    gap: 12px;
  }

  .ai-banner.aiprototype .quick-prompt-list .quick-prompt-label {
    font-size: 12px;
  }

  .ai-banner.aiprototype .carousel-section {
    margin-top: 32px;
  }
}