/**
 * Style A — Soft modern polish (pre packages 1–5)
 * Overlay only: colors, shadows, transitions, micro-interactions.
 * Does NOT change layout structure.
 */
:root {
  --brand: #2c44b5;
  --brand-dark: #1a2f9a;
  --brand-soft: rgba(44, 68, 181, 0.1);
  --brand-mid: rgba(44, 68, 181, 0.18);
  --accent: #ffaf5a;
  --text: #1a1d26;
  --text-2: #4b5160;
  --text-3: #8a90a0;
  --line: rgba(15, 23, 42, 0.08);
  --radius-sm: 6px;
  --radius-md: 12px;
  --shadow-sm: 0 6px 18px rgba(15, 23, 42, 0.07);
  --shadow-md: 0 14px 36px rgba(15, 23, 42, 0.12);
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  --dur: 0.3s;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  color: var(--text);
  background-color: #eef1f7 !important;
}

a {
  transition: color var(--dur) var(--ease);
}

/* scroll reveal: faster, and is-visible always wins */
.teaser {
  transform: translate3d(0, 40px, 0);
  transition:
    opacity 0.65s var(--ease),
    transform 0.65s var(--ease) !important;
}

.teaser.is-visible {
  opacity: 1 !important;
  transform: translate3d(0, 0, 0) !important;
}

.lefter,
.righter,
.downer,
.lter,
.rter {
  transition:
    opacity 0.6s ease-out 0.04s,
    transform 0.6s ease-out 0.04s !important;
}

.lefter.is-visible,
.righter.is-visible,
.downer.is-visible,
.lter.is-visible,
.rter.is-visible {
  opacity: 1 !important;
  transform: translate3d(0, 0, 0) !important;
}

/* header */
header {
  background-color: rgba(255, 255, 255, 0.9) !important;
  box-shadow:
    0 1px 0 rgba(44, 68, 181, 0.12),
    0 8px 24px rgba(15, 23, 42, 0.07) !important;
  border-bottom: 2px solid rgba(44, 68, 181, 0.16) !important;
  transition:
    box-shadow var(--dur) var(--ease),
    background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

@supports ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  header {
    background-color: rgba(255, 255, 255, 0.86) !important;
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    backdrop-filter: saturate(180%) blur(14px);
  }
}

header.is-scrolled {
  background-color: rgba(255, 255, 255, 0.97) !important;
  border-bottom-color: var(--brand) !important;
  box-shadow:
    0 1px 0 rgba(44, 68, 181, 0.2),
    0 12px 32px rgba(15, 23, 42, 0.12) !important;
}

.h-link {
  position: relative;
  font-weight: 500 !important;
  transition: color var(--dur) var(--ease) !important;
}

.h-li.active .h-link {
  color: var(--brand) !important;
  font-weight: 700 !important;
}

@media (min-width: 1201px) {
  .h-link:hover {
    color: var(--brand) !important;
  }

  .h-link::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0.14rem;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--brand), #5b73e0);
    border-radius: 3px;
    transform: translateX(-50%);
    transition: width 0.25s var(--ease);
  }

  .h-li.active .h-link::after,
  .h-li:hover .h-link::after {
    width: 1.4em;
  }
}

.h-sub {
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--line);
  border-top: 2px solid var(--brand);
  overflow: hidden;
  background: #fff !important;
}

@media (min-width: 1201px) {
  .h-sub > li > a:hover {
    color: var(--brand) !important;
    background-color: var(--brand-soft);
  }
}

.h-third {
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-md) !important;
  border: 1px solid var(--line);
  overflow: hidden;
}

.h-third a:hover {
  color: var(--brand) !important;
  background: var(--brand-soft) !important;
}

/* banner */
.ma-a {
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

.ma-bn .swiper-pagination-bullet {
  border-radius: 3px !important;
  height: 4px !important;
  background-color: rgba(44, 68, 181, 0.25) !important;
  transition: background-color var(--dur) var(--ease), width var(--dur) var(--ease);
}

.ma-bn .swiper-pagination-bullet-active {
  background-color: var(--brand) !important;
  height: 4px !important;
}

/* homepage sections */
.mb-a {
  background: #ffffff !important;
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.05);
}

.mb-h1,
.mc-h1,
.w-titles {
  letter-spacing: 0.02em;
  color: #141824 !important;
}

.mb-en,
.mc-en,
.w-d {
  color: var(--text-3) !important;
  letter-spacing: 0.08em;
}

.mb-tit:after {
  background: linear-gradient(90deg, var(--brand), #6d84ef) !important;
  border-radius: 3px;
  height: 4px !important;
}

.mb-text {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  background-color: rgba(255, 255, 255, 0.88) !important;
}

.mb-more,
.mc-more,
.b-more {
  border-radius: 999px !important;
  background: linear-gradient(135deg, #2c44b5 0%, #3d5fd4 100%) !important;
  box-shadow: 0 8px 18px rgba(44, 68, 181, 0.32) !important;
  transition:
    background var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.mb-more:hover,
.mc-more:hover,
.b-more:hover {
  background: linear-gradient(135deg, #1a2f9a 0%, #2c44b5 100%) !important;
  box-shadow: 0 12px 26px rgba(44, 68, 181, 0.42) !important;
  transform: translateY(-2px);
  color: #fff !important;
}

.mb-one.active {
  box-shadow: 0 6px 16px rgba(255, 175, 90, 0.35);
}

.mc-a {
  background: linear-gradient(180deg, #f5f7fc 0%, #eef1f7 100%);
}

.mc-img {
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-sm) !important;
}

.mc-links {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: #fff;
}

.mc-ic {
  border-width: 2px !important;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

@media (min-width: 1201px) {
  .mc-link:hover {
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.06);
  }

  .mc-link:hover .mc-ic {
    box-shadow: 0 0 0 4px var(--brand-soft);
  }
}

.w-a {
  background: #ffffff;
}

.w-e:hover,
.w-e.active {
  color: var(--brand) !important;
  border-bottom-color: var(--brand) !important;
  font-weight: 600;
}

.w-item {
  border-radius: var(--radius-md) !important;
  overflow: hidden;
  border-color: #e2e6f0 !important;
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease),
    background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease) !important;
}

.w-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md) !important;
  border-color: transparent !important;
}

/* lists / cards */
.b-item {
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-sm);
  border: 1px solid #e6eaf3;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  overflow: hidden;
}

.b-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.b-item:hover .b-titles {
  color: var(--brand) !important;
}

.o-item {
  border-radius: var(--radius-md) !important;
  overflow: hidden;
  border: 1px solid #e4e8f2;
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease) !important;
}

.o-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md) !important;
}

.d-c {
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04);
}

.d-item:hover {
  transform: translateY(-2px);
}

.nav {
  border-bottom: none !important;
  background: #fff !important;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.05);
}

.nav-item.active,
.nav-item:hover {
  color: var(--brand) !important;
  border-bottom-color: var(--brand) !important;
  font-weight: 700;
}

.paging-a {
  transition: background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.paging-a:hover {
  background-color: var(--brand);
  transform: scale(1.06);
}

/* forms */
.xa-e,
.xa-textarea {
  border-radius: var(--radius-sm) !important;
  border-color: #d8dce6 !important;
}

.xa-e:focus,
.xa-textarea:focus {
  border-color: var(--brand) !important;
  outline: none;
  box-shadow: 0 0 0 3px var(--brand-soft);
}

.xa-submit {
  border-radius: var(--radius-sm) !important;
  background-color: var(--brand) !important;
}

.xa-submit:hover {
  background-color: var(--brand-dark) !important;
}

#msgForm button[type="submit"] {
  background-color: var(--brand) !important;
  border-radius: var(--radius-sm) !important;
}

/* footer */
.link {
  background-color: #f3f4f8 !important;
  border-top: 1px solid var(--line);
}

.li-item:hover {
  color: var(--brand) !important;
}

footer {
  background: linear-gradient(180deg, #25262b 0%, #1c1d21 100%) !important;
}

.f-k:hover {
  color: #ffffff !important;
}

.f-q {
  letter-spacing: 0.02em;
  color: #fff !important;
}

.f-e {
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.f-bottom {
  background: rgba(0, 0, 0, 0.2);
}

/* back to top */
.sgl-backtop {
  position: fixed;
  right: 22px;
  bottom: 28px;
  z-index: 99999;
  width: 46px;
  height: 46px;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  color: #fff;
  font-size: 20px;
  line-height: 46px;
  text-align: center;
  background: linear-gradient(135deg, var(--brand), #3d5fd4);
  box-shadow: 0 10px 24px rgba(44, 68, 181, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--dur) var(--ease), visibility var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.sgl-backtop.is-show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.sgl-backtop:hover {
  filter: brightness(1.06);
  transform: translateY(-2px);
}

@media (max-width: 750px) {
  header {
    background-color: #fff !important;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }

  .w-item:hover,
  .o-item:hover,
  .b-item:hover {
    transform: none;
  }

  .sgl-backtop {
    right: 14px;
    bottom: 18px;
    width: 42px;
    height: 42px;
    line-height: 42px;
    font-size: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .teaser,
  .lefter,
  .righter,
  .downer,
  .lter,
  .rter {
    opacity: 1 !important;
    transform: none !important;
  }

  .w-item:hover,
  .o-item:hover,
  .b-item:hover,
  .mb-more:hover,
  .mc-more:hover {
    transform: none;
  }
}