/* ============================================
   Application Section - 精确还原 Figma 设计
   平行四边形卡片 + hover 渐变叠层 + 六边形箭头
   文字用 vw clamp 随视口等比缩放 (1920px 下与设计稿 1:1)
   ============================================ */

.application {
  position: relative;
  width: 100%;
  background: #ECF6FB;
  overflow: hidden;
  padding-top: 144px;
}

/* 隐藏的 SVG defs (箭头 symbol) */
.application__defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

/* --- 卡片行 (略宽于视口, app-1 左侧出血) --- */
.application__cards {
  position: relative;
  display: flex;
  width: 109.4%;
  margin-left: -9.4%;
  z-index: 2;
}

.application__card {
  position: relative;
  display: block;                    /* a 标签需 block 才能应用宽/高 */
  text-decoration: none;
  color: inherit;
  width: 42.2%;
  aspect-ratio: 887 / 651;
  margin-left: -13.33%;
  background: #D9D9D9;
  clip-path: polygon(34.56% 0, 98.58% 0, 65.04% 100%, 1.41% 100%);
  cursor: pointer;
  overflow: hidden;
  /* 让 hover 内容随卡片宽度缩放 */
  container-type: inline-size;
}

.application__card:first-child {
  margin-left: 0;
}

.application__card-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* --- hover 渐变叠层 (#1976AC 上30%->下100%, 整体 0.75 透明) --- */
.application__hover-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom,
              rgba(25, 118, 172, 0.3) 0%,
              rgba(25, 118, 172, 1) 100%);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-standard);
  pointer-events: none;
}

/* --- hover 内容 (箭头 + 文字, 默认隐藏) --- */
.application__hover-content {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-standard);
  pointer-events: none;
}

.application__card:hover .application__hover-bg,
.application__card.is-active .application__hover-bg {
  opacity: 0.75;
}

.application__card:hover .application__hover-content,
.application__card.is-active .application__hover-content {
  opacity: 1;
}

/* --- 六边形箭头按钮 --- */
.application__arrow {
  position: absolute;
  top: 37.8%;
  left: 46.2%;
  width: 7.44cqw;
  height: 7.44cqw;
  display: block;
  filter: drop-shadow(0 4px 7.5px rgba(58, 168, 217, 0.15));
}

.application__arrow use {
  width: 100%;
  height: 100%;
}

/* --- hover 文字 --- */
.application__hover-text {
  position: absolute;
  top: 70%;                        /* 上移：给自动换行的多行留空间 */
  left: 30%;
  max-width: 42cqw;                /* 限定宽度：长文字在斜切卡内自动换行，不溢出 */
  font-family: var(--font-primary);
  font-size: 5.41cqw;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.96px;
  color: var(--color-white);
  text-align: left;
}

/* 第 3 张卡（CMP）hover 文字右移约 85px，仅 PC（移动端由 ≤768 块内既有规则接管） */
.application__card:nth-child(3) .application__hover-text {
  left: calc(30% + 85px);
}

/* --- 绿色装饰块 (斜梯形, 右下叠在 app-3 上) --- */
.application__green-block {
  position: absolute;
  bottom: 0;
  width: 7.14%;
  aspect-ratio: 150 / 131;
  background: var(--color-secondary);
  clip-path: polygon(38.67% 0, 99.67% 0, 60.33% 100%, 0 100%);
  z-index: 3;
  pointer-events: none;
}

.application__green-block--1 {
  right: 9.47%;
}

.application__green-block--2 {
  right: 4.71%;
}

/* --- 内容区 (居中容器内) --- */
.application__inner {
  position: relative;
  max-width: 1920px;
  margin: 0 auto;
  padding: 0 0 153px;
}

.application__content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 100px;
  padding: 0 10.3%;
  z-index: 3;
}

.application__words {
  max-width: 1091px;
}

/* 文字用 vw clamp: 1920px 下与设计稿 1:1, 更窄视口等比缩小 */
.application__title {
  font-family: var(--font-primary);
  font-size: clamp(28px, 3.9583vw, 76px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  margin: 0;
}

.application__subtitle {
  font-family: var(--font-primary);
  font-size: clamp(14px, 1.6667vw, 32px);
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: -0.02em;
  color: #999999;
  margin: 0;
}

/* --- Learn more 按钮 (六边形药丸, 白底蓝字, 同 Hero/About CTA 形状) --- */
.application__learn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: clamp(120px, 9.479vw, 182px);
  height: clamp(44px, 3.021vw, 58px);
  flex-shrink: 0;
  text-decoration: none;
  transition: transform var(--duration-micro) var(--ease-emphasized);
}

.application__learn-shape {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.application__learn-shape path {
  transition: fill var(--duration-base) var(--ease-standard);
}

.application__learn-text {
  position: relative;
  z-index: 1;
  font-family: var(--font-primary);
  font-size: clamp(13px, 0.9375vw, 18px);
  font-weight: 400;
  line-height: 25px;
  color: var(--color-primary);
  white-space: nowrap;
  transition: color var(--duration-base) var(--ease-standard);
}

.application__learn:hover .application__learn-shape path {
  fill: var(--color-primary);
}

.application__learn:hover .application__learn-text {
  color: var(--color-white);
}

.application__learn:active {
  transform: scale(0.96);
}

/* ============================================
   Responsive Application
   ============================================ */

@media (max-width: 1200px) {
  .application { padding-top: 100px; }

  .application__content {
    margin-top: 70px;
    padding: 0 7%;
  }

  .application__inner { padding-bottom: 110px; }
}

@media (max-width: 768px) {
  .application { padding-top: 70px; }

  /* 卡片纵向堆叠 */
  .application__cards {
    flex-direction: column;
    width: 100%;
    margin-left: 0;
    gap: 16px;
  }

  .application__card {
    width: 100%;
    margin-left: 0;
  }

  .application__hover-bg {
    opacity: 0.75;
  }

  .application__hover-content {
    opacity: 1;
  }

  .application__card:nth-child(3) .application__hover-text {
    left: calc(30% + 30px);
  }

  .application__arrow { display: none; }

  .application__green-block { width: 16%; }
  .application__green-block--1 { right: 20%; }
  .application__green-block--2 { right: 10%; }

  .application__content {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 28px;
    margin-top: 56px;
    padding: 0 6%;
  }

  .application__inner { padding-bottom: 80px; }
}

@media (max-width: 576px) {
  .application { padding-top: 56px; }

  .application__cards { gap: 12px; }

  .application__content {
    gap: 22px;
    margin-top: 40px;
    padding: 0 5%;
  }

  .application__inner { padding-bottom: 64px; }
}

/* 尊重减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  .application__hover-bg,
  .application__hover-content,
  .application__learn,
  .application__learn-shape path,
  .application__learn-text {
    transition: none;
  }
}