/* Page layout, spacing, and structural alignment */

.section:not(#ShowPicture) {
  padding-top: var(--section-gap-desktop) !important;
  padding-bottom: var(--section-gap-desktop) !important;
}

.section:not(#ShowPicture) + .section {
  margin-top: 28px !important;
}

#ShowPicture.section {
  margin-top: 92px !important;
  padding-top: 10px !important;
  padding-bottom: 0 !important;
}

#about.section {
  display: none !important;
}

/* Core container alignment */
.student-container {
  width: 100% !important;
  margin-left: auto !important;
  margin-right: auto !important;
  padding-left: 15px !important;
  padding-right: 15px !important;
  max-width: none !important;
}

@media (min-width: 576px) {
  .student-container,
  #culture_list .image-grid {
    max-width: 540px !important;
  }
}

@media (min-width: 768px) {
  .student-container,
  #culture_list .image-grid {
    max-width: 720px !important;
  }
}

@media (min-width: 992px) {
  .student-container,
  #culture_list .image-grid {
    max-width: 960px !important;
  }
}

@media (min-width: 1200px) {
  .student-container,
  #culture_list .image-grid {
    max-width: var(--container-max) !important;
  }
}

#app > div > div > div[style*="width: 80%"],
#app > div > div > div[style*="width:80%"],
#app > div > div > div[style*="width: 70%"],
#app > div > div > div[style*="width:70%"],
#app > div > div > div[style*="width: 60%"],
#app > div > div > div[style*="width:60%"],
#app > div > div[style*="margin-top: 100px"][style*="margin-left: 10%"][style*="margin-right: 10%"][style*="margin-bottom: 30px"],
#app > div > div[style*="margin-top:100px"][style*="margin-left:10%"][style*="margin-right:10%"][style*="margin-bottom:30px"],
#student_info > div,
#student_info #student,
#new_list > div,
#new_list #student,
#achievement_copyright #paper,
#about > div[style*="width: 70%"],
#about > div[style*="width:70%"] {
  width: 100% !important;
  max-width: var(--container-max) !important;
  margin-left: auto !important;
  margin-right: auto !important;
  padding-left: 15px !important;
  padding-right: 15px !important;
  box-sizing: border-box !important;
}

#app > div > div > div[style*="width: 80%"],
#app > div > div > div[style*="width:80%"],
#app > div > div > div[style*="width: 70%"],
#app > div > div > div[style*="width:70%"],
#app > div > div > div[style*="width: 60%"],
#app > div > div > div[style*="width:60%"] {
  margin: 100px auto 0 !important;
}

#app > div > div[style*="margin-top: 100px"][style*="margin-left: 10%"][style*="margin-right: 10%"][style*="margin-bottom: 30px"],
#app > div > div[style*="margin-top:100px"][style*="margin-left:10%"][style*="margin-right:10%"][style*="margin-bottom:30px"] {
  margin: 100px auto 30px !important;
}

#student_list .student-container,
#culture_list .image-grid {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 15px;
  padding-right: 15px;
  box-sizing: border-box;
}

#culture_list > br {
  display: none !important;
}

#culture_list.section {
  margin-top: 0 !important;
}

#culture_list > .container {
  display: none !important;
}

/* Header */
.navbar.navbar-custom,
.navbar.navbar-custom.navbar-white,
.navbar.navbar-custom.sticky,
.navbar.navbar-custom.sticky-dark {
  background-color: #ffffff !important;
  background-image: none !important;
  opacity: 1 !important;
  border-bottom: 1px solid var(--ink-300) !important;
  box-shadow: none !important;
}

#navbar .container {
  display: flex !important;
  align-items: center !important;
  min-height: 56px;
}

#navbar .serc-brand-container {
  margin-left: 0 !important;
  flex: 0 0 auto;
}

#navbar .serc-brand-link {
  display: inline-flex !important;
  align-items: center !important;
  text-decoration: none !important;
}

#navbar .serc-brand-wrap {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

#navbar .serc-brand-logo {
  width: 46px;
  height: 46px;
  object-fit: contain;
  display: block;
  flex: 0 0 46px;
}

#navbar .serc-brand-title {
  color: #1a4f88 !important;
  font-family: var(--font-display) !important;
  font-size: 22px !important;
  font-weight: 600 !important;
  line-height: 1.1 !important;
  letter-spacing: 0 !important;
  white-space: nowrap;
  word-break: keep-all;
}

#navbar .serc-brand-title[data-brand-layout="zh-two-line"] {
  display: inline-block !important;
  white-space: nowrap !important;
  line-height: 1.1 !important;
}

#navbar #navbarCollapse {
  margin-left: auto;
}

#navbar .serc-mobile-nav-toggle {
  display: none !important;
}

/* Footer */
.footer,
.footer-alt {
  background-color: #ffffff !important;
  background-image: none !important;
}

.footer {
  padding: 24px 0 10px !important;
  border-top: 1px solid var(--ink-300) !important;
}

.footer .row {
  row-gap: 8px !important;
  align-items: flex-start !important;
}

.footer .row > .col-lg-4.margin-t-20 {
  margin-top: 0 !important;
}

.footer .row > .col-lg-4.margin-t-20:empty {
  display: none !important;
}

@media (min-width: 992px) {
  .footer .row > .col-lg-4.margin-t-20:first-child {
    flex: 0 0 38% !important;
    max-width: 38% !important;
  }

  .footer .row > .col-lg-4.margin-t-20:last-child {
    flex: 0 0 62% !important;
    max-width: 62% !important;
  }
}

.footer .footer-list,
.footer .row > .col-lg-4.margin-t-20:first-child .text-muted.margin-t-20 {
  display: none !important;
}

.footer .row > .col-lg-4.margin-t-20:first-child h4 {
  margin-bottom: 0 !important;
}

.footer .row > .col-lg-4.margin-t-20:last-child .text-muted.margin-t-20 {
  margin-top: 2px !important;
  display: grid !important;
  row-gap: 2px !important;
}

.footer .row > .col-lg-4.margin-t-20:last-child p {
  margin: 0 !important;
}

.footer .row > .col-lg-4.margin-t-20:last-child {
  margin-left: auto !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: flex-end !important;
}

.footer .row > .col-lg-4.margin-t-20:last-child h4,
.footer .row > .col-lg-4.margin-t-20:last-child .text-muted.margin-t-20 {
  width: fit-content !important;
  max-width: 100% !important;
  text-align: left !important;
}

.footer .row > .col-lg-4.margin-t-20:last-child h4 {
  display: none !important;
}

.footer-alt,
.footer-alt-border {
  display: none !important;
}

@media (max-width: 991.98px) {
  .section:not(#ShowPicture) {
    padding-top: var(--section-gap-tablet) !important;
    padding-bottom: var(--section-gap-tablet) !important;
  }

  .section:not(#ShowPicture) + .section {
    margin-top: 20px !important;
  }

  #app > div > div > div[style*="width: 80%"],
  #app > div > div > div[style*="width:80%"],
  #app > div > div > div[style*="width: 70%"],
  #app > div > div > div[style*="width:70%"],
  #app > div > div > div[style*="width: 60%"],
  #app > div > div > div[style*="width:60%"] {
    margin-top: 84px !important;
  }

  #app > div > div[style*="margin-top: 100px"][style*="margin-left: 10%"][style*="margin-right: 10%"][style*="margin-bottom: 30px"],
  #app > div > div[style*="margin-top:100px"][style*="margin-left:10%"][style*="margin-right:10%"][style*="margin-bottom:30px"] {
    margin: 84px auto 24px !important;
  }

  #navbar .container {
    min-height: var(--nav-mobile-height);
    position: relative !important;
    padding-left: var(--container-pad-sm) !important;
    padding-right: var(--container-pad-sm) !important;
    column-gap: 10px !important;
  }

  #navbar .serc-brand-container {
    flex: 1 1 auto !important;
    min-width: 0 !important;
  }

  #navbar .serc-brand-wrap {
    width: 100% !important;
    min-width: 0 !important;
    gap: 8px !important;
  }

  #navbar .serc-brand-logo {
    width: 40px;
    height: 40px;
    flex-basis: 40px;
  }

  #navbar .serc-brand-title {
    font-size: 16px !important;
    line-height: 1.2 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    max-width: 100% !important;
  }

  #navbar .serc-brand-title[data-brand-layout="zh-two-line"] {
    font-size: 14px !important;
    line-height: 1.14 !important;
    white-space: normal !important;
    word-break: keep-all !important;
    overflow: visible !important;
    text-overflow: clip !important;
    max-width: calc(100vw - 116px) !important;
  }

  #navbar .serc-mobile-nav-toggle {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 40px !important;
    height: 40px !important;
    padding: 0 !important;
    margin: 0 !important;
    border: 1px solid var(--ink-300) !important;
    border-radius: 8px !important;
    background: #ffffff !important;
    color: var(--ink-700) !important;
    cursor: pointer !important;
    flex: 0 0 auto !important;
  }

  #navbar .serc-mobile-nav-toggle:focus {
    outline: none !important;
    border-color: var(--ink-500) !important;
    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.08) !important;
  }

  #navbar .serc-mobile-nav-toggle .serc-mobile-nav-icon,
  #navbar .serc-mobile-nav-toggle .serc-mobile-nav-icon::before,
  #navbar .serc-mobile-nav-toggle .serc-mobile-nav-icon::after {
    display: block;
    width: 16px;
    height: 1.5px;
    background: currentColor;
    border-radius: 999px;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }

  #navbar .serc-mobile-nav-toggle .serc-mobile-nav-icon {
    position: relative;
  }

  #navbar .serc-mobile-nav-toggle .serc-mobile-nav-icon::before,
  #navbar .serc-mobile-nav-toggle .serc-mobile-nav-icon::after {
    content: "";
    position: absolute;
    left: 0;
  }

  #navbar .serc-mobile-nav-toggle .serc-mobile-nav-icon::before {
    top: -5px;
  }

  #navbar .serc-mobile-nav-toggle .serc-mobile-nav-icon::after {
    top: 5px;
  }

  #navbar .serc-mobile-nav-toggle[aria-expanded="true"] .serc-mobile-nav-icon {
    background: transparent !important;
  }

  #navbar .serc-mobile-nav-toggle[aria-expanded="true"] .serc-mobile-nav-icon::before {
    transform: translateY(5px) rotate(45deg);
  }

  #navbar .serc-mobile-nav-toggle[aria-expanded="true"] .serc-mobile-nav-icon::after {
    transform: translateY(-5px) rotate(-45deg);
  }

  #navbar #navbarCollapse {
    margin-left: 0 !important;
    position: absolute !important;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    z-index: var(--nav-z-menu) !important;
    background: #ffffff !important;
    border-bottom: 1px solid var(--ink-300) !important;
    box-shadow: 0 14px 24px rgba(0, 0, 0, 0.08) !important;
    max-height: var(--nav-mobile-drawer-max-h);
    overflow-x: hidden !important;
    overflow-y: auto !important;
  }

  #navbar #navbarCollapse.collapse:not(.show) {
    display: none !important;
  }

  #navbar #navbarCollapse.collapse.show {
    display: block !important;
  }

  #navbar #mySidenav {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 8px var(--container-pad-sm) 12px !important;
    row-gap: 2px !important;
  }

  #navbar #mySidenav .nav-item {
    width: 100% !important;
  }

  #navbar #mySidenav .nav-link {
    display: block !important;
    margin: 0 !important;
    padding: 10px 0 !important;
    font-size: 16px !important;
    line-height: 1.4 !important;
  }

  #navbar #mySidenav .serc-lang-switch-item {
    margin-left: 0 !important;
    padding-top: 2px !important;
  }

  #navbar #mySidenav .serc-lang-switch {
    height: 34px !important;
  }

  #ShowPicture.section {
    margin-top: 84px !important;
    padding-top: 8px !important;
  }

  body.nav-open,
  html.nav-open {
    overflow: hidden !important;
  }

  .footer .row > .col-lg-4.margin-t-20:last-child {
    margin-left: 0 !important;
    align-items: flex-start !important;
  }

  .footer .row > .col-lg-4.margin-t-20:last-child h4,
  .footer .row > .col-lg-4.margin-t-20:last-child .text-muted.margin-t-20 {
    width: 100% !important;
  }
}

@media (max-width: 575.98px) {
  .section:not(#ShowPicture) {
    padding-top: var(--section-gap-mobile) !important;
    padding-bottom: var(--section-gap-mobile) !important;
  }

  .section:not(#ShowPicture) + .section {
    margin-top: 14px !important;
  }

  #app > div > div > div[style*="width: 80%"],
  #app > div > div > div[style*="width:80%"],
  #app > div > div > div[style*="width: 70%"],
  #app > div > div > div[style*="width:70%"],
  #app > div > div > div[style*="width: 60%"],
  #app > div > div > div[style*="width:60%"] {
    margin-top: 74px !important;
  }

  #app > div > div[style*="margin-top: 100px"][style*="margin-left: 10%"][style*="margin-right: 10%"][style*="margin-bottom: 30px"],
  #app > div > div[style*="margin-top:100px"][style*="margin-left:10%"][style*="margin-right:10%"][style*="margin-bottom:30px"] {
    margin: 74px auto 18px !important;
  }

  #student_info > div,
  #student_info #student,
  #new_list > div,
  #new_list #student,
  #achievement_copyright #paper,
  #about > div[style*="width: 70%"],
  #about > div[style*="width:70%"] {
    padding-left: var(--container-pad-xs) !important;
    padding-right: var(--container-pad-xs) !important;
  }

  #navbar .container {
    min-height: 48px;
    padding-left: var(--container-pad-xs) !important;
    padding-right: var(--container-pad-xs) !important;
  }

  #navbar .serc-brand-logo {
    width: 36px;
    height: 36px;
    flex-basis: 36px;
  }

  #navbar .serc-brand-title {
    display: block !important;
    font-size: 14px !important;
    max-width: calc(100vw - 112px) !important;
    line-height: 1.2 !important;
  }

  #navbar .serc-brand-title[data-brand-layout="zh-two-line"] {
    font-size: 13px !important;
    line-height: 1.12 !important;
    white-space: normal !important;
    word-break: keep-all !important;
    max-width: calc(100vw - 108px) !important;
  }

  #navbar #mySidenav {
    padding-left: var(--container-pad-xs) !important;
    padding-right: var(--container-pad-xs) !important;
  }

  #ShowPicture.section {
    margin-top: 78px !important;
    padding-top: 6px !important;
  }
}