@charset "UTF-8";
/* * 师生风采 — 杂志大图卡片版 v2026-04-22 */

.teacher_student_top {
  margin-top: 5.8rem;
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.teacher_student_title {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
  gap: 0.5rem;
}

.teacher_student_title .english_tit {
  font-family: 'Times New Roman', Georgia, serif;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #1d824d;
  text-transform: uppercase;
}

.teacher_student_title .chinese_tit {
  font-size: 2rem;
  font-weight: 700;
  color: #10281b;
  position: relative;
  padding-bottom: 0.85rem;
}

.teacher_student_title .chinese_tit::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 5rem;
  height: 0.1875rem;
  background: linear-gradient(90deg, #1d824d, rgba(29, 130, 77, 0.2));
}

.teacher_student_top .pc_acaMore {
  margin-bottom: 0.5rem;
}

.teacher_student_top .pc_acaMore a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  color: #1d824d;
  text-decoration: none;
  padding: 0.5rem 0.25rem;
  position: relative;
}

.teacher_student_top .pc_acaMore a::after {
  content: '→';
  font-size: 1.1rem;
  transition: transform 350ms ease;
}

.teacher_student_top .pc_acaMore a:hover::after {
  transform: translateX(0.4rem);
}

.teacher_student_bBox {
  position: relative;
  width: 100%;
  padding-bottom: 4rem;
}

.teacher_student_bg {
  width: 100%;
  height: 24rem;
  position: absolute;
  left: 0;
  bottom: -4rem;
  background:
    radial-gradient(circle at 16% 24%, rgba(38, 136, 90, 0.16), transparent 24%),
    radial-gradient(circle at 82% 72%, rgba(38, 136, 90, 0.14), transparent 20%),
    linear-gradient(180deg, rgba(227, 242, 232, 0.95), rgba(255, 255, 255, 0));
}

.teacher_student_box {
  margin: 3.5rem auto 0;
  position: relative;
  z-index: 2;
}

/* === 三张卡片：完全平齐、横向均分 === */
.teacher_student_list {
  width: 100%;
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 2.5rem;
}

.teacher_student_item {
  flex: 1;
  min-width: 0;
  position: relative;
  transition: transform 500ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

.teacher_student_item a {
  display: block;
  position: relative;
  color: inherit;
  text-decoration: none;
  border-radius: 1rem;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  background: #0d2c1c;
  box-shadow: 0 1.5rem 3rem rgba(16, 44, 28, 0.15);
  transition:
    transform 500ms cubic-bezier(0.22, 0.61, 0.36, 1),
    box-shadow 500ms ease;
}

.teacher_student_item:hover {
  transform: translateY(-0.75rem);
}

.teacher_student_item:hover a {
  box-shadow: 0 2.25rem 4.5rem rgba(16, 44, 28, 0.28);
}

/* === 大图填充整张卡 === */
.teacher_student_item_img {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.teacher_student_item_img img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 800ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

.teacher_student_item:hover .teacher_student_item_img img {
  transform: scale(1.06);
}

/* 渐变蒙版（在图片上方、文字下方） */
.teacher_student_item_img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(8, 30, 18, 0) 30%,
    rgba(8, 30, 18, 0.35) 60%,
    rgba(8, 30, 18, 0.88) 100%
  );
  transition: background 500ms ease;
  pointer-events: none;
}

.teacher_student_item:hover .teacher_student_item_img::after {
  background: linear-gradient(
    180deg,
    rgba(8, 30, 18, 0.05) 25%,
    rgba(8, 30, 18, 0.45) 55%,
    rgba(8, 30, 18, 0.92) 100%
  );
}

/* 日期 — 左上角胶囊 */
.teacher_student_item_date {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.95rem;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: #124b30;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: 999px;
}

/* 文字内容 — 卡底叠加在蒙版之上 */
.teacher_student_item_body {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 1.75rem 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  color: #fff;
  transition: padding 500ms ease;
}

.teacher_student_item:hover .teacher_student_item_body {
  padding-bottom: 2rem;
}

.teacher_student_item h4 {
  margin: 0;
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.5;
  color: #ffffff;
  display: -webkit-box;
  overflow: hidden;
  white-space: normal !important;
  text-overflow: ellipsis;
  word-wrap: break-word;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  text-shadow: 0 0.125rem 0.5rem rgba(0, 0, 0, 0.3);
  text-wrap: pretty;
}

.teacher_student_item_footer {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.teacher_student_item_rule {
  /* 杂志风去掉横线 */
  display: none;
}

.teacher_student_item_arrow {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
  background: transparent;
  border: 0.0625rem solid rgba(255, 255, 255, 0.7);
  transition:
    background 350ms ease,
    border-color 350ms ease,
    transform 350ms ease;
}

.teacher_student_item_arrow::before,
.teacher_student_item_arrow::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  background: #ffffff;
  transition:
    background 350ms ease,
    border-color 350ms ease;
}

.teacher_student_item_arrow::before {
  width: 0.875rem;
  height: 0.125rem;
  transform: translate(-35%, -50%);
}

.teacher_student_item_arrow::after {
  width: 0.5rem;
  height: 0.5rem;
  border-top: 0.125rem solid #ffffff;
  border-right: 0.125rem solid #ffffff;
  background: transparent;
  transform: translate(-5%, -50%) rotate(45deg);
}

.teacher_student_item:hover .teacher_student_item_arrow {
  background: #ffffff;
  border-color: #ffffff;
  transform: translateX(0.4rem);
}

.teacher_student_item:hover .teacher_student_item_arrow::before {
  background: #1d824d;
}

.teacher_student_item:hover .teacher_student_item_arrow::after {
  border-top-color: #1d824d;
  border-right-color: #1d824d;
}

/* 在 fullPage 进入师生风采屏时的进场动画 */
body.fp-talents-active .teacher_student_item {
  animation: ts-card-enter 700ms cubic-bezier(0.22, 0.61, 0.36, 1) both;
}

body.fp-talents-active .teacher_student_item:nth-child(1) {
  animation-delay: 80ms;
}

body.fp-talents-active .teacher_student_item:nth-child(2) {
  animation-delay: 200ms;
}

body.fp-talents-active .teacher_student_item:nth-child(3) {
  animation-delay: 320ms;
}

@keyframes ts-card-enter {
  from {
    opacity: 0;
    transform: translateY(2rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* === 移动端 === */
@media (max-width: 979px) {
  .teacher_student_top {
    margin-top: 5.8rem;
    flex-direction: row;
  }

  .teacher_student_list {
    display: block;
  }

  .teacher_student_item {
    width: 100%;
    margin: 0 0 1.5rem;
  }

  .teacher_student_item a {
    aspect-ratio: 4 / 5;
    border-radius: 0.75rem;
  }

  .teacher_student_item_date {
    top: 1rem;
    left: 1rem;
    font-size: 0.75rem;
    padding: 0.4rem 0.8rem;
  }

  .teacher_student_item_body {
    padding: 1.25rem 1.25rem 1.25rem;
    gap: 0.65rem;
  }

  .teacher_student_item h4 {
    font-size: 1.15rem;
  }

  .teacher_student_item_arrow {
    width: 2.25rem;
    height: 2.25rem;
  }
}

@media (max-width: 768px) {
  .teacher_student_bBox {
    padding-bottom: 2rem;
  }

  .teacher_student_box {
    margin-top: 10.2564vw;
  }

  .teacher_student_bg {
    height: 44vw;
    bottom: -18vw;
  }
}