:root {
  color-scheme: light;
  --ink: #10233f;
  --muted: #5f718b;
  --blue-950: #07182f;
  --blue-900: #0b2343;
  --blue-800: #123c6b;
  --blue-700: #155da2;
  --blue-500: #2d8de8;
  --cyan: #55d7ff;
  --line: rgba(21, 93, 162, 0.16);
  --panel: rgba(255, 255, 255, 0.88);
  --bg: #f4f8fd;
  --shadow: 0 18px 45px rgba(8, 31, 61, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 1180px;
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 0%, rgba(45, 141, 232, 0.16), transparent 28%),
    linear-gradient(180deg, #eef6ff 0%, #f8fbff 42%, #eef4fb 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  width: 100%;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(7, 24, 47, 0.88);
  backdrop-filter: blur(18px);
}

.nav {
  width: min(1280px, calc(100% - 72px));
  height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: #fff;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(85, 215, 255, 0.55);
  display: grid;
  place-items: center;
  font-weight: 800;
  letter-spacing: 0;
  background: linear-gradient(135deg, rgba(45, 141, 232, 0.34), rgba(85, 215, 255, 0.12));
}

.brand-title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
}

.brand-subtitle {
  margin: 4px 0 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.68);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 14px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
  border-radius: 4px;
}

.nav-icon {
  width: 18px;
  height: 18px;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(85, 215, 255, 0.42);
  color: #9ee8ff;
  font-size: 11px;
  line-height: 1;
}

.nav-icon::before,
.title-icon::before {
  content: "";
  width: 16px;
  height: 16px;
  display: block;
  background: currentColor;
  -webkit-mask: var(--icon) center / contain no-repeat;
  mask: var(--icon) center / contain no-repeat;
}

.title-icon::before {
  width: 18px;
  height: 18px;
}

.icon-home {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m3 11 9-8 9 8'/%3E%3Cpath d='M5 10v10h14V10'/%3E%3Cpath d='M10 20v-6h4v6'/%3E%3C/svg%3E");
}

.icon-users {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M16 21v-2a4 4 0 0 0-4-4H6a4 4 0 0 0-4 4v2'/%3E%3Ccircle cx='9' cy='7' r='4'/%3E%3Cpath d='M22 21v-2a4 4 0 0 0-3-3.87'/%3E%3Cpath d='M16 3.13a4 4 0 0 1 0 7.75'/%3E%3C/svg%3E");
}

.icon-flask {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 3h6'/%3E%3Cpath d='M10 3v6l-5 9a2 2 0 0 0 2 3h10a2 2 0 0 0 2-3l-5-9V3'/%3E%3Cpath d='M8 14h8'/%3E%3C/svg%3E");
}

.icon-compass {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpath d='m16 8-2.5 5.5L8 16l2.5-5.5Z'/%3E%3C/svg%3E");
}

.icon-user {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='8' r='4'/%3E%3Cpath d='M4 21a8 8 0 0 1 16 0'/%3E%3C/svg%3E");
}

.icon-award {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='8' r='6'/%3E%3Cpath d='M8.2 13 7 22l5-3 5 3-1.2-9'/%3E%3C/svg%3E");
}

.icon-paper {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8Z'/%3E%3Cpath d='M14 2v6h6'/%3E%3Cpath d='M8 13h8'/%3E%3Cpath d='M8 17h6'/%3E%3C/svg%3E");
}

.icon-activity {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M22 12h-4l-3 8L9 4l-3 8H2'/%3E%3C/svg%3E");
}

.icon-check {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3Cpath d='M21 12a9 9 0 1 1-2.64-6.36'/%3E%3C/svg%3E");
}

.icon-patent {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3 4 7v6c0 5 3.5 8 8 9 4.5-1 8-4 8-9V7Z'/%3E%3Cpath d='m9 12 2 2 4-5'/%3E%3C/svg%3E");
}

.icon-book {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 19.5A2.5 2.5 0 0 1 6.5 17H20'/%3E%3Cpath d='M4 4.5A2.5 2.5 0 0 1 6.5 2H20v20H6.5A2.5 2.5 0 0 1 4 19.5Z'/%3E%3C/svg%3E");
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.09);
}

.page {
  padding-top: 76px;
}

.container {
  width: min(1180px, calc(100% - 96px));
  margin: 0 auto;
}

.hero {
  position: relative;
  min-height: 78vh;
  display: grid;
  align-items: center;
  padding: 34px 0 26px;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(7, 24, 47, 0.96) 0%, rgba(9, 34, 66, 0.88) 42%, rgba(9, 34, 66, 0.58) 100%),
    url("image/smart-shipping-hero.png") center / cover no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 128px;
  background: linear-gradient(0deg, rgba(244, 248, 253, 1), transparent);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.5fr 0.5fr;
  gap: 36px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 14px;
  font-weight: 700;
}

.hero h1 {
  margin: 0;
  font-size: 50px;
  line-height: 1.08;
  letter-spacing: 0;
}

.hero h1 span {
  display: block;
  margin-top: 10px;
  font-size: 27px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.78);
}

.hero-summary {
  max-width: 720px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 17px;
  line-height: 1.82;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 26px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 4px;
  font-weight: 700;
}

.btn.primary {
  border-color: transparent;
  background: linear-gradient(135deg, #2d8de8, #55d7ff);
  color: #05162d;
}

.btn.ghost {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.profile-card {
  width: 100%;
  max-width: 300px;
  justify-self: end;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(5, 19, 38, 0.68);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(12px);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.profile-card:hover {
  transform: translateY(-4px);
  border-color: rgba(85, 215, 255, 0.42);
  box-shadow: 0 30px 76px rgba(0, 0, 0, 0.34);
}

.profile-card img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  object-position: center 18%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(232, 243, 255, 0.12);
}

.profile-card dl {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 8px 14px;
  margin: 14px 0 0;
  font-size: 13px;
}

.profile-card dt {
  color: rgba(255, 255, 255, 0.56);
}

.profile-card dd {
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
}

.home-layout,
.subpage-layout {
  background: #eef2f6;
}

.home-layout .site-header,
.subpage-layout .site-header {
  position: static;
  border-bottom: 0;
  background: transparent;
  backdrop-filter: none;
}

.home-banner {
  position: relative;
  min-height: 288px;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(7, 24, 47, 0.72), rgba(7, 24, 47, 0.48)),
    url("image/smart-shipping-hero.png") center 48% / cover no-repeat;
}

.home-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(9, 22, 38, 0.18);
}

.home-banner-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 34px;
}

.home-logo {
  flex: 0 0 auto;
}

.home-logo-ring {
  width: 132px;
  height: 132px;
  display: grid;
  place-items: center;
  border: 3px solid rgba(85, 215, 255, 0.9);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 16px 46px rgba(3, 15, 31, 0.24);
}

.home-logo-ring span {
  width: 70px;
  height: 70px;
  display: grid;
  place-items: center;
  border: 4px solid #2d8de8;
  border-radius: 18px;
  color: #155da2;
  font-size: 34px;
  font-weight: 900;
}

.home-banner-kicker {
  margin: 0 0 10px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
}

.home-banner h1,
.home-banner h2 {
  margin: 0;
  color: #fff;
  font-size: 52px;
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: 0;
}

.home-banner p:last-child {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 24px;
}

.home-layout .nav,
.subpage-layout .nav {
  width: 100%;
  height: 76px;
  justify-content: center;
  background: #2f3940;
}

.home-layout .brand,
.subpage-layout .brand {
  display: none;
}

.home-layout .nav-links,
.subpage-layout .nav-links {
  width: min(1180px, calc(100% - 96px));
  justify-content: space-around;
  gap: 0;
}

.home-layout .nav-links a,
.subpage-layout .nav-links a {
  height: 76px;
  padding: 0 36px;
  border-radius: 0;
  color: #fff;
  font-size: 19px;
  font-weight: 700;
}

.home-layout .nav-links a:hover,
.home-layout .nav-links a.active,
.subpage-layout .nav-links a:hover,
.subpage-layout .nav-links a.active {
  background: rgba(255, 255, 255, 0.08);
}

.home-layout .nav-icon,
.subpage-layout .nav-icon {
  border-color: rgba(255, 255, 255, 0.28);
  color: #9ee8ff;
}

.home-layout .page,
.subpage-layout .page {
  padding-top: 0;
}

.subpage-banner {
  min-height: 230px;
}

.subpage-banner .home-logo-ring {
  width: 116px;
  height: 116px;
}

.subpage-banner .home-logo-ring span {
  width: 62px;
  height: 62px;
  font-size: 30px;
}

.subpage-banner h2 {
  font-size: 46px;
}

.subpage-layout .section {
  padding: 34px 0 0;
}

.subpage-layout .section.compact {
  padding-top: 46px;
}

.subpage-layout .section > .container {
  width: min(1100px, calc(100% - 96px));
  padding: 40px 48px 46px;
  border: 1px solid rgba(21, 93, 162, 0.12);
  background: #fff;
  box-shadow: 0 14px 38px rgba(8, 31, 61, 0.1);
}

.home-layout .hero {
  min-height: auto;
  padding: 46px 0 0;
  overflow: visible;
  color: var(--ink);
  background: transparent;
}

.home-layout .hero::after {
  display: none;
}

.home-layout .hero-grid.home-card {
  display: block;
  width: min(1100px, calc(100% - 96px));
  padding: 40px 48px 52px;
  border: 1px solid rgba(21, 93, 162, 0.12);
  background: #fff;
  box-shadow: 0 14px 38px rgba(8, 31, 61, 0.14);
}

.home-card-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 46px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 14px;
  color: #6a7890;
  font-size: 15px;
}

.breadcrumb span:first-child {
  color: var(--blue-950);
  font-weight: 800;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 92px;
  height: 40px;
  border: 1px solid rgba(21, 93, 162, 0.18);
  color: #42546e;
  background: #fff;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.share-btn:hover {
  transform: translateY(-3px);
  border-color: rgba(21, 93, 162, 0.32);
  box-shadow: 0 16px 30px rgba(8, 31, 61, 0.12);
}

.home-card-title h1 {
  margin: 0;
  color: var(--blue-700);
  font-size: 46px;
  font-weight: 500;
  line-height: 1.12;
}

.home-card-title p {
  margin: 10px 0 0;
  color: #1c2f4a;
  font-size: 18px;
}

.home-teacher-label {
  margin: 56px 0 26px;
  padding-left: 14px;
  border-left: 5px solid var(--blue-700);
  color: var(--blue-950);
  font-size: 24px;
}

.home-teacher-body {
  display: grid;
  grid-template-columns: 168px 1fr;
  gap: 32px;
  align-items: start;
}

.home-layout .profile-card {
  width: 168px;
  max-width: none;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.home-layout .profile-card:hover {
  transform: none;
  box-shadow: none;
}

.home-layout .profile-card img {
  height: 212px;
  border: 0;
  object-position: center 15%;
  background: #eef4fb;
}

.home-teacher-copy h2 {
  margin: -4px 0 4px;
  color: var(--blue-700);
  font-size: 32px;
  font-weight: 500;
  line-height: 1.25;
}

.teacher-role {
  margin: 0;
  color: var(--blue-950);
  font-size: 18px;
  line-height: 1.7;
}

.home-layout .hero-summary {
  max-width: none;
  margin: 20px 0 18px;
  color: #1d304b;
  font-size: 17px;
  line-height: 1.9;
}

.teacher-meta {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 8px 18px;
  margin: 0;
  color: #354a66;
  font-size: 15px;
}

.teacher-meta dt {
  color: #7a879a;
}

.teacher-meta dd {
  margin: 0;
}

.teacher-meta a {
  color: var(--blue-700);
  font-weight: 700;
}

.academic-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
}

.academic-links a {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  border: 1px solid rgba(21, 93, 162, 0.18);
  background: #f5f9fe;
}

.home-layout .hero-actions {
  margin-top: 24px;
}

.home-layout .btn.ghost {
  border-color: rgba(21, 93, 162, 0.2);
  color: var(--blue-800);
  background: #f5f9fe;
}

.home-layout .section {
  padding: 34px 0 0;
}

.home-layout .section > .container {
  width: min(1100px, calc(100% - 96px));
  padding: 40px 48px 46px;
  border: 1px solid rgba(21, 93, 162, 0.12);
  background: #fff;
  box-shadow: 0 14px 38px rgba(8, 31, 61, 0.1);
}

.achievement-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px 24px;
}

.achievement-card {
  position: relative;
  isolation: isolate;
  padding-top: 42px;
  transition: transform 0.35s ease, filter 0.35s ease;
}

.achievement-card:hover {
  transform: translateY(-6px);
  filter: saturate(1.04);
}

.achievement-tab {
  position: absolute;
  top: 0;
  left: 28px;
  z-index: 3;
  min-width: 156px;
  padding: 12px 22px 18px;
  color: var(--blue-900);
  font-size: 17px;
  font-weight: 800;
  text-align: center;
  background: linear-gradient(180deg, #f8fbff, #eef6ff);
  border: 1px solid rgba(21, 93, 162, 0.18);
  border-bottom: 0;
  border-radius: 24px 24px 0 0;
  clip-path: polygon(16% 0, 84% 0, 100% 100%, 0 100%);
  transition: color 0.5s ease, background 0.5s ease, border-color 0.5s ease;
}

.achievement-card:hover .achievement-tab {
  color: #fff;
  background: var(--blue-950);
  border-color: var(--blue-950);
}

.achievement-body {
  position: relative;
  min-height: 600px;
  display: flex;
  flex-direction: column;
  padding: 34px 26px 26px;
  overflow: hidden;
  border: 1px solid rgba(21, 93, 162, 0.18);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(45, 141, 232, 0.04), transparent 32%),
    #fff;
  box-shadow: 0 16px 34px rgba(8, 31, 61, 0.11);
  transition: box-shadow 0.35s ease, border-color 0.35s ease, background 0.35s ease;
}

.achievement-body > * {
  position: relative;
  z-index: 2;
}

.achievement-card:hover .achievement-body {
  border-color: var(--blue-950);
  box-shadow: 0 28px 54px rgba(7, 24, 47, 0.22);
}

.achievement-body::before {
  content: "";
  position: relative;
  z-index: 2;
  display: block;
  height: 1px;
  margin-bottom: 30px;
  background: rgba(21, 93, 162, 0.14);
  transition: background 0.5s ease;
}

.achievement-body::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, #123c6b 0%, #07182f 100%);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.72s cubic-bezier(0.22, 1, 0.36, 1);
}

.achievement-card:hover .achievement-body::before {
  background: rgba(255, 255, 255, 0.16);
}

.achievement-card:hover .achievement-body::after {
  transform: scaleY(1);
}

.achievement-body h3 {
  min-height: 124px;
  margin: 0 0 22px;
  color: #101820;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.45;
  transition: color 0.42s ease, text-decoration-color 0.42s ease;
}

.achievement-card:hover .achievement-body h3 {
  color: #fff;
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.9);
  text-decoration-thickness: 1px;
  text-underline-offset: 6px;
}

.achievement-body dl {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 7px 10px;
  margin: 0 0 18px;
  color: #6f7886;
  font-size: 14px;
  line-height: 1.65;
  transition: color 0.42s ease;
}

.achievement-body dt {
  color: #7c8796;
  transition: color 0.42s ease;
}

.achievement-body dd {
  margin: 0;
}

.achievement-card:hover .achievement-body dl,
.achievement-card:hover .achievement-body dt {
  color: rgba(255, 255, 255, 0.7);
}

.achievement-link {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  color: #fff;
  background: transparent;
  font-size: 15px;
  font-weight: 800;
  transition: transform 0.24s ease, background 0.24s ease, border-color 0.24s ease;
}

.achievement-link::after {
  content: "";
  width: 15px;
  height: 15px;
  margin-left: 10px;
  background: currentColor;
  -webkit-mask: var(--icon) center / contain no-repeat;
  mask: var(--icon) center / contain no-repeat;
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M7 17 17 7'/%3E%3Cpath d='M7 7h10v10'/%3E%3C/svg%3E");
}

.achievement-link:hover {
  transform: translateY(-2px);
  border-color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.achievement-visual {
  height: 210px;
  min-height: 210px;
  max-height: 210px;
  display: grid;
  place-items: center;
  margin-top: auto;
  padding: 12px;
  overflow: hidden;
  border: 1px solid rgba(21, 93, 162, 0.16);
  border-radius: 6px;
  background:
    linear-gradient(135deg, rgba(45, 141, 232, 0.08), rgba(85, 215, 255, 0.08)),
    #f7fbff;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.78);
  transition: opacity 0.38s ease, transform 0.38s ease, height 0.42s ease, min-height 0.42s ease, max-height 0.42s ease, margin 0.42s ease, padding 0.42s ease, border-color 0.42s ease;
}

.achievement-card:hover .achievement-visual {
  height: 0;
  min-height: 0;
  max-height: 0;
  margin-top: 0;
  padding-top: 0;
  padding-bottom: 0;
  opacity: 0;
  transform: translateY(18px);
  border-color: transparent;
  pointer-events: none;
}

.achievement-visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  display: block;
}

.achievement-visual span {
  color: #8a9ab0;
  font-size: 15px;
  font-weight: 700;
}

.achievement-hover {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 18px;
  max-height: 0;
  margin-top: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(18px);
  pointer-events: none;
  transition: max-height 0.5s ease 0.12s, opacity 0.45s ease 0.18s, transform 0.45s ease 0.18s, margin 0.45s ease 0.12s;
}

.achievement-card:hover .achievement-hover {
  max-height: 210px;
  margin-top: auto;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.achievement-hover p {
  max-height: 104px;
  margin: 0;
  padding-right: 12px;
  overflow-y: auto;
  color: rgba(255, 255, 255, 0.74);
  font-size: 14px;
  line-height: 1.72;
}

.achievement-hover p::-webkit-scrollbar {
  width: 5px;
}

.achievement-hover p::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.58);
}

.section {
  padding: 86px 0;
}

.section.compact {
  padding-top: 118px;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 34px;
}

.section-kicker {
  margin: 0 0 10px;
  color: var(--blue-700);
  font-weight: 800;
  font-size: 13px;
}

.section h2 {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-size: 34px;
  line-height: 1.22;
  color: var(--blue-950);
}

.title-icon {
  width: 36px;
  height: 36px;
  display: inline-grid;
  place-items: center;
  color: var(--blue-700);
  font-size: 16px;
  border: 1px solid var(--line);
  background: #fff;
}

.section-desc {
  max-width: 620px;
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.panel {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.panel:hover {
  transform: translateY(-4px);
  border-color: rgba(21, 93, 162, 0.32);
  box-shadow: 0 26px 58px rgba(8, 31, 61, 0.16);
}

.bio-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 28px;
}

.profile-overview {
  grid-template-columns: 1.08fr 0.92fr;
  align-items: stretch;
  gap: 0;
  overflow: hidden;
  border: 1px solid rgba(21, 93, 162, 0.14);
  background:
    linear-gradient(90deg, rgba(45, 141, 232, 0.06), transparent 42%),
    #fff;
  box-shadow: 0 16px 38px rgba(8, 31, 61, 0.09);
}

.bio-panel {
  padding: 32px;
}

.profile-copy {
  padding: 34px 34px 36px;
}

.profile-track {
  padding: 30px 26px 30px 30px;
  border-left: 1px solid rgba(21, 93, 162, 0.14);
  background:
    linear-gradient(180deg, rgba(7, 24, 47, 0.04), rgba(45, 141, 232, 0.04)),
    #f8fbff;
}

.bio-panel p,
.bio-panel li {
  color: #42546e;
  line-height: 1.9;
  font-size: 16px;
}

.profile-copy > p:first-child {
  margin-top: 0;
  color: #263b58;
  font-size: 17px;
}

.profile-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
}

.profile-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid rgba(21, 93, 162, 0.16);
  color: var(--blue-800);
  background: #f5f9fe;
  font-size: 14px;
  font-weight: 800;
}

.academic-service {
  margin-top: 28px;
  padding: 22px 24px;
  border: 1px solid rgba(21, 93, 162, 0.16);
  background:
    linear-gradient(135deg, rgba(7, 24, 47, 0.95), rgba(18, 60, 107, 0.92));
}

.academic-service h3 {
  margin: 0 0 14px;
  color: #fff;
  font-size: 20px;
}

.academic-service ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 20px;
}

.academic-service li {
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.75;
  font-size: 15px;
}

.profile-track-head {
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(21, 93, 162, 0.14);
}

.profile-track-head h3 {
  margin: 0;
  color: var(--blue-950);
  font-size: 22px;
}

.timeline-panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.timeline-scroll,
.timeline-static {
  flex: 1;
  min-height: 0;
  padding-right: 0;
  overflow: visible;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.stat {
  padding: 22px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 10px 24px rgba(8, 31, 61, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.stat:hover {
  transform: translateY(-4px);
  border-color: rgba(21, 93, 162, 0.32);
  box-shadow: 0 22px 42px rgba(8, 31, 61, 0.13);
}

.stat strong {
  display: block;
  color: var(--blue-800);
  font-size: 32px;
}

.stat span {
  color: var(--muted);
  font-size: 14px;
}

.timeline {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  position: relative;
  padding: 16px 18px 16px 104px;
  border-left: 2px solid rgba(45, 141, 232, 0.78);
  background: rgba(255, 255, 255, 0.62);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.timeline li:hover {
  transform: translateX(4px);
  background: #fff;
  box-shadow: 0 12px 24px rgba(8, 31, 61, 0.08);
}

.timeline time {
  position: absolute;
  left: 18px;
  top: 19px;
  color: var(--blue-700);
  font-weight: 800;
  font-size: 13px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.honor-scroll {
  position: relative;
  max-height: 560px;
  padding: 2px 12px 2px 2px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-color: var(--blue-700) #e6eef8;
  scrollbar-width: thin;
}

.honor-scroll::after {
  content: "";
  position: sticky;
  bottom: -2px;
  display: block;
  height: 42px;
  margin-top: -42px;
  pointer-events: none;
  background: linear-gradient(0deg, #fff 0%, rgba(255, 255, 255, 0));
}

.honor-scroll::-webkit-scrollbar {
  width: 8px;
}

.honor-scroll::-webkit-scrollbar-track {
  background: #e6eef8;
}

.honor-scroll::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: linear-gradient(180deg, var(--blue-500), var(--blue-800));
}

.honor-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding-bottom: 10px;
}

.honor {
  min-height: 158px;
  padding: 20px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 12px 28px rgba(8, 31, 61, 0.07);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.honor:hover {
  transform: translateY(-4px);
  border-color: rgba(21, 93, 162, 0.32);
  box-shadow: 0 22px 44px rgba(8, 31, 61, 0.14);
}

.honor small {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
  color: var(--blue-700);
  font-weight: 800;
  line-height: 1.35;
}

.honor small span {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  color: #fff;
  background: linear-gradient(135deg, var(--blue-800), var(--blue-500));
  font-size: 12px;
}

.honor b {
  display: block;
  color: var(--blue-950);
  font-size: 17px;
  line-height: 1.5;
}

.honor p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.65;
  font-size: 14px;
}

.feature {
  padding: 26px;
  min-height: 190px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 12px 28px rgba(8, 31, 61, 0.07);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.feature:hover {
  transform: translateY(-4px);
  border-color: rgba(21, 93, 162, 0.32);
  box-shadow: 0 22px 44px rgba(8, 31, 61, 0.14);
}

.feature b {
  display: block;
  margin-bottom: 12px;
  color: var(--blue-800);
  font-size: 18px;
}

.feature p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.photo-carousel {
  position: relative;
  height: 520px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #eaf2fb;
  box-shadow: var(--shadow);
}

.photo-carousel.single {
  height: auto;
  aspect-ratio: 3 / 2;
}

.photo-carousel.single .photo-track {
  width: 100%;
  animation: none;
}

.photo-carousel.single .photo-slide {
  width: 100%;
  flex-basis: 100%;
}

.photo-track {
  display: flex;
  width: 400%;
  height: 100%;
  animation: slide 22s infinite;
}

.photo-slide {
  position: relative;
  width: 25%;
  flex: 0 0 25%;
}

.photo-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  background: #eaf2fb;
}

.photo-slide span {
  position: absolute;
  left: 24px;
  bottom: 22px;
  padding: 8px 12px;
  color: #fff;
  background: rgba(7, 24, 47, 0.72);
  backdrop-filter: blur(10px);
}

@keyframes slide {
  0%, 20% { transform: translateX(0); }
  25%, 45% { transform: translateX(-25%); }
  50%, 70% { transform: translateX(-50%); }
  75%, 95% { transform: translateX(-75%); }
  100% { transform: translateX(0); }
}

.member-section {
  margin-top: 54px;
}

.member-section h3 {
  margin: 0 0 20px;
  padding-bottom: 12px;
  color: var(--blue-950);
  font-size: 24px;
  border-bottom: 1px solid var(--line);
}

.member-year-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 22px;
  margin-bottom: 24px;
  align-items: stretch;
}

.year-card {
  min-height: 360px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(21, 93, 162, 0.2);
  background: linear-gradient(135deg, rgba(18, 60, 107, 0.96), rgba(21, 93, 162, 0.88));
  color: #fff;
  box-shadow: 0 12px 28px rgba(8, 31, 61, 0.1);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.year-card:hover {
  transform: translateY(-4px);
  border-color: rgba(85, 215, 255, 0.44);
  box-shadow: 0 22px 44px rgba(8, 31, 61, 0.16);
}

.year-card strong {
  font-size: 28px;
  letter-spacing: 0;
}

.year-members {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.member-card {
  display: block;
  overflow: hidden;
  height: 360px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 12px 28px rgba(8, 31, 61, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.member-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 44px rgba(8, 31, 61, 0.14);
}

.member-card img {
  display: block;
  width: 100%;
  height: 288px;
  object-fit: cover;
  object-position: center 16%;
  background: #eaf2fb;
}

.member-card .member-info {
  height: 72px;
  padding: 12px 12px 14px;
  text-align: center;
}

.member-card strong {
  display: block;
  color: var(--blue-950);
  font-size: 16px;
}

.member-card span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.research-card {
  min-height: 260px;
  padding: 26px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 12px 28px rgba(8, 31, 61, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.research-card:hover {
  transform: translateY(-4px);
  border-color: rgba(21, 93, 162, 0.32);
  box-shadow: 0 22px 44px rgba(8, 31, 61, 0.14);
}

.research-card .tag {
  display: inline-flex;
  margin-bottom: 18px;
  padding: 6px 10px;
  color: var(--blue-800);
  font-weight: 800;
  font-size: 12px;
  background: #e8f3ff;
}

.research-card h3 {
  margin: 0 0 12px;
  color: var(--blue-950);
  font-size: 20px;
  line-height: 1.45;
}

.research-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.paper-list,
.project-list {
  margin: 0;
  padding-left: 22px;
}

.paper-list li,
.project-list li {
  margin-bottom: 15px;
  color: #334963;
  line-height: 1.8;
}

.paper-list b,
.project-list b {
  color: var(--blue-950);
}

.scroll-panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.project-columns .scroll-panel {
  height: 560px;
}

.medium-scroll-panel {
  height: 500px;
}

.paper-panel {
  height: 620px;
}

.research-scroll {
  flex: 1;
  min-height: 0;
  margin-top: 18px;
  padding: 2px 12px 2px 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-color: var(--blue-700) #e6eef8;
  scrollbar-width: thin;
}

.research-scroll::-webkit-scrollbar {
  width: 8px;
}

.research-scroll::-webkit-scrollbar-track {
  background: #e6eef8;
}

.research-scroll::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: linear-gradient(180deg, var(--blue-500), var(--blue-800));
}

.research-scroll .paper-list li,
.research-scroll .project-list li {
  padding: 0 0 14px;
  margin-bottom: 14px;
  border-bottom: 1px solid rgba(21, 93, 162, 0.12);
}

.research-scroll .paper-list li:last-child,
.research-scroll .project-list li:last-child {
  border-bottom: 0;
}

.split {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 24px;
  align-items: stretch;
}

.project-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: stretch;
}

.footer {
  padding: 34px 0 46px;
  color: rgba(255, 255, 255, 0.72);
  background: var(--blue-950);
}

.footer .container {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.footer b {
  color: #fff;
}