:root {
  --ink: #172b30;
  --muted: #617176;
  --paper: #f6f8f6;
  --white: #ffffff;
  --line: #d9e3e1;
  --jade: #155b50;
  --jade-dark: #0e4039;
  --blue: #176087;
  --rose: #b44b68;
  --red: #a82737;
  --copper: #b77947;
  --shadow: 0 18px 42px rgba(23, 43, 48, 0.08);
  --display: "Noto Serif CJK TC", "Songti SC", "STSong", "SimSun", serif;
  --body: "Noto Sans CJK TC", "PingFang TC", "Microsoft JhengHei", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0;
}

button,
a {
  color: inherit;
  font: inherit;
}

button {
  cursor: pointer;
}

a {
  text-decoration: none;
}

::selection {
  color: var(--white);
  background: var(--jade);
}

.site-header {
  color: var(--white);
  background: var(--jade-dark);
}

.institution-band {
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.institution-inner,
.hero-inner,
.main-shell,
.site-footer-inner {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.institution-inner {
  display: flex;
  align-items: center;
  gap: 30px;
  min-height: 88px;
  padding: 17px 0;
}

.institution-logo {
  display: block;
  width: auto;
  max-height: 54px;
  object-fit: contain;
}

.institution-logo.must {
  width: 225px;
}

.institution-logo.music {
  width: 300px;
  max-height: 48px;
  margin-left: auto;
}

.institution-divider {
  width: 1px;
  height: 42px;
  background: rgba(255, 255, 255, 0.3);
}

.hero-inner {
  padding: 76px 0 84px;
}

.hero-topline,
.eyebrow {
  margin: 0;
  color: #a7d0c7;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-topline {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-topline::before {
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--copper);
  content: "";
}

.hero h1 {
  max-width: 830px;
  margin: 22px 0 20px;
  color: var(--white);
  font-family: var(--display);
  font-size: clamp(2.9rem, 7vw, 6.3rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 650px;
  margin: 0;
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.1rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 5px 12px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.84rem;
}

.meta-item strong {
  margin-right: 7px;
  color: var(--white);
  font-weight: 700;
}

.proposal-banner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: end;
  margin-top: 52px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.proposal-banner p {
  max-width: 680px;
  margin: 0;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9rem;
}

.proposal-banner strong {
  color: #d9ebe7;
  font-weight: 600;
}

.proposal-status {
  padding: 7px 12px;
  border: 1px solid rgba(209, 235, 227, 0.48);
  color: #d9ebe7;
  font-size: 0.76rem;
  white-space: nowrap;
}

.section-nav {
  position: sticky;
  z-index: 10;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(246, 248, 246, 0.96);
  backdrop-filter: blur(12px);
}

.section-nav-inner {
  display: flex;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  overflow-x: auto;
  scrollbar-width: none;
}

.section-nav-inner::-webkit-scrollbar {
  display: none;
}

.section-nav a {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  min-height: 58px;
  padding: 0 20px;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  font-size: 0.86rem;
  white-space: nowrap;
}

.section-nav a:first-child {
  padding-left: 0;
}

.section-nav a:hover,
.section-nav a[aria-current="true"] {
  border-bottom-color: var(--jade);
  color: var(--jade);
}

.nav-number {
  margin-right: 9px;
  color: var(--copper);
  font-size: 0.73rem;
  font-weight: 700;
}

.main-shell {
  padding: 88px 0 110px;
}

.section {
  scroll-margin-top: 76px;
  padding: 0 0 106px;
}

.section + .section {
  padding-top: 88px;
  border-top: 1px solid var(--line);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(190px, 0.36fr) minmax(0, 1fr);
  gap: 42px;
  align-items: end;
  margin-bottom: 46px;
}

.section-kicker {
  margin: 0 0 11px;
  color: var(--jade);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.section-heading h2 {
  max-width: 720px;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.15rem, 4vw, 4.2rem);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: 0;
}

.section-intro {
  max-width: 630px;
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.section-rule {
  width: 72px;
  height: 4px;
  margin-top: 20px;
  background: var(--copper);
}

.agenda-stack {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--line);
}

.day-block {
  display: grid;
  grid-template-columns: 138px minmax(0, 1fr);
  gap: 34px;
  padding: 32px 34px 36px;
  background: var(--white);
}

.day-index {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-top: 4px;
}

.day-count {
  color: var(--copper);
  font-family: var(--display);
  font-size: 4rem;
  line-height: 1;
}

.day-date {
  color: var(--muted);
  font-size: 0.82rem;
}

.day-heading {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
}

.day-heading .eyebrow {
  color: var(--blue);
  font-size: 0.68rem;
}

.day-heading h3 {
  margin: 7px 0 0;
  font-family: var(--display);
  font-size: 1.7rem;
  font-weight: 500;
  line-height: 1.25;
}

.proposal-chip {
  flex: 0 0 auto;
  padding: 5px 9px;
  border: 1px solid #e4c7a8;
  color: #965e2c;
  font-size: 0.72rem;
  white-space: nowrap;
}

.day-note {
  max-width: 760px;
  margin: 15px 0 24px;
  color: var(--muted);
  font-size: 0.9rem;
}

.schedule-table {
  border-top: 1px solid var(--line);
}

.schedule-row {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: 22px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.schedule-row time {
  color: var(--jade);
  font-size: 0.83rem;
  font-variant-numeric: tabular-nums;
}

.schedule-row h4 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}

.schedule-row p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.day-position {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr);
  gap: 18px;
  margin-top: 22px;
  padding: 14px 16px;
  border-left: 3px solid var(--blue);
  background: #f2f7f8;
}

.day-position > span {
  color: var(--blue);
  font-size: 0.8rem;
  font-weight: 800;
}

.day-position p {
  margin: 0;
  color: #52666d;
  font-size: 0.83rem;
}

.track-intro,
.workshop-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(240px, 0.8fr);
  gap: 42px;
  align-items: end;
  margin-bottom: 42px;
}

.track-intro h3,
.workshop-intro h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 2.3rem;
  font-weight: 500;
  line-height: 1.2;
}

.track-intro p,
.workshop-intro p {
  margin: 0;
  color: var(--muted);
}

.track-pillars,
.workshop-stages,
.confirmation-list {
  display: grid;
  gap: 1px;
  background: var(--line);
}

.track-pillars {
  grid-template-columns: repeat(3, 1fr);
}

.pillar,
.stage,
.confirmation-item {
  background: var(--white);
}

.pillar {
  min-height: 190px;
  padding: 24px;
}

.pillar-number,
.stage-number {
  color: var(--rose);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.pillar h4,
.stage h4 {
  margin: 26px 0 9px;
  font-family: var(--display);
  font-size: 1.34rem;
  font-weight: 600;
}

.pillar p,
.stage p {
  margin: 0;
  color: var(--muted);
  font-size: 0.87rem;
}

.prize-panel {
  display: grid;
  grid-template-columns: minmax(200px, 0.45fr) minmax(0, 1fr);
  gap: 34px;
  align-items: start;
  margin-top: 42px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.prize-panel h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.6rem;
  font-weight: 500;
}

.prize-panel > p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 0.87rem;
}

.prize-list {
  border-top: 1px solid var(--line);
}

.prize-row {
  display: grid;
  grid-template-columns: 1fr 80px 120px;
  gap: 15px;
  align-items: center;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.88rem;
}

.prize-row strong {
  color: var(--muted);
  font-weight: 500;
}

.prize-row b {
  color: var(--jade);
  font-weight: 700;
  text-align: right;
}

.workshop-stages {
  grid-template-columns: repeat(3, 1fr);
}

.stage {
  min-height: 210px;
  padding: 25px;
}

.stage h4 {
  margin-top: 32px;
}

.aftercare {
  display: grid;
  grid-template-columns: 0.5fr 1fr;
  gap: 38px;
  margin-top: 42px;
  padding: 25px 0 0;
  border-top: 1px solid var(--line);
}

.aftercare h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.6rem;
  font-weight: 500;
}

.aftercare p {
  max-width: 660px;
  margin: 0;
  color: var(--muted);
}

.funding-sources {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-bottom: 44px;
  background: var(--line);
}

.source-item {
  min-height: 168px;
  padding: 26px;
  background: var(--white);
}

.source-item small {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.source-item strong {
  display: block;
  margin-top: 18px;
  font-family: var(--display);
  font-size: 2.2rem;
  font-weight: 500;
  line-height: 1.1;
}

.source-item p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.source-item.netdragon {
  border-top: 4px solid var(--jade);
}

.source-item.school {
  border-top: 4px solid var(--blue);
}

.budget-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.52fr) minmax(0, 1fr);
  gap: 50px;
  align-items: start;
}

.budget-summary {
  position: sticky;
  top: 86px;
  padding: 28px;
  background: var(--jade-dark);
  color: var(--white);
}

.budget-summary .eyebrow {
  color: #a7d0c7;
}

.budget-summary h3 {
  margin: 20px 0 6px;
  font-family: var(--display);
  font-size: 2.25rem;
  font-weight: 500;
  line-height: 1.08;
}

.budget-summary p {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
}

.budget-summary ul {
  display: grid;
  gap: 9px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.budget-summary li {
  display: flex;
  gap: 9px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.82rem;
}

.budget-summary li::before {
  content: "•";
  color: var(--copper);
}

.budget-list {
  display: grid;
  gap: 26px;
}

.budget-row-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--ink);
  font-size: 0.91rem;
}

.budget-row-head strong {
  color: var(--jade);
  font-weight: 700;
}

.budget-meter {
  height: 8px;
  margin-top: 10px;
  background: #e3ecea;
}

.budget-meter span {
  display: block;
  height: 100%;
  min-width: 3px;
  background: var(--jade);
}

.budget-row small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.72rem;
}

.review-notice {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 17px;
  margin-top: 42px;
  padding: 20px 22px;
  border: 1px solid #efc9ce;
  border-left: 5px solid var(--red);
  background: #fff7f7;
}

.review-mark {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 50%;
  background: var(--red);
  color: var(--white);
  font-weight: 800;
}

.review-notice strong {
  color: var(--red);
}

.review-notice p {
  margin: 4px 0 0;
  color: #77434b;
  font-size: 0.86rem;
}

.document-list {
  display: grid;
  gap: 1px;
  background: var(--line);
}

.document-row {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  width: 100%;
  padding: 22px 24px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: var(--white);
  text-align: left;
  transition: background 160ms ease, color 160ms ease;
}

.document-row:hover {
  background: #edf5f2;
}

.document-number {
  color: var(--rose);
  font-family: var(--display);
  font-size: 1.35rem;
}

.document-copy {
  display: grid;
  gap: 4px;
}

.document-copy strong {
  font-size: 0.96rem;
}

.document-copy small {
  color: var(--muted);
  font-size: 0.82rem;
}

.document-action {
  color: var(--jade);
  font-size: 0.82rem;
  font-weight: 800;
}

.confirmation-list {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 44px;
}

.confirmation-item {
  min-height: 150px;
  padding: 22px;
}

.confirmation-item span {
  color: var(--copper);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.confirmation-item p {
  margin: 17px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.download-brief {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 28px;
  padding: 12px 15px;
  border: 1px solid var(--jade);
  background: transparent;
  color: var(--jade);
  font-size: 0.86rem;
  font-weight: 700;
}

.download-brief:hover {
  background: var(--jade);
  color: var(--white);
}

.download-brief img {
  width: 16px;
  height: 16px;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--white);
}

.site-footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 40px;
  align-items: center;
  padding: 38px 0;
}

.site-footer p {
  max-width: 620px;
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.footer-mark {
  color: var(--jade);
  font-family: var(--display);
  font-size: 1.4rem;
}

.details-dialog {
  width: min(820px, calc(100% - 32px));
  max-height: min(760px, calc(100vh - 48px));
  padding: 0;
  border: 0;
  background: var(--white);
  color: var(--ink);
  box-shadow: 0 28px 80px rgba(17, 38, 42, 0.3);
}

.details-dialog::backdrop {
  background: rgba(13, 35, 34, 0.68);
}

.dialog-head {
  position: sticky;
  top: 0;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  padding: 22px 26px;
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.dialog-head h2 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.65rem;
  font-weight: 500;
}

.dialog-close {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--line);
  background: transparent;
}

.dialog-close img {
  width: 16px;
  height: 16px;
}

.dialog-body {
  padding: 28px 30px 40px;
}

.dialog-body h3 {
  margin: 28px 0 7px;
  color: var(--jade);
  font-family: var(--display);
  font-size: 1.2rem;
  font-weight: 600;
}

.dialog-body h3:first-child {
  margin-top: 0;
}

.dialog-body p {
  margin: 0 0 12px;
  color: #52666d;
  font-size: 0.9rem;
}

.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 520ms ease, transform 520ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 820px) {
  .institution-inner,
  .hero-inner,
  .main-shell,
  .site-footer-inner {
    width: min(100% - 32px, 680px);
  }

  .institution-inner {
    gap: 16px;
    min-height: 70px;
    padding: 12px 0;
  }

  .institution-logo.must {
    width: 150px;
  }

  .institution-logo.music {
    width: min(48vw, 230px);
    max-height: 38px;
  }

  .institution-divider {
    height: 32px;
  }

  .hero-inner {
    padding: 52px 0 60px;
  }

  .hero h1 {
    font-size: clamp(2.7rem, 12vw, 4.8rem);
  }

  .proposal-banner {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 36px;
  }

  .proposal-status {
    justify-self: start;
  }

  .section-nav-inner {
    width: 100%;
    padding: 0 16px;
  }

  .section-nav a:first-child {
    padding-left: 4px;
  }

  .main-shell {
    padding: 58px 0 78px;
  }

  .section {
    padding-bottom: 74px;
  }

  .section + .section {
    padding-top: 64px;
  }

  .section-heading,
  .track-intro,
  .workshop-intro,
  .prize-panel,
  .aftercare,
  .budget-layout {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .section-heading {
    margin-bottom: 30px;
  }

  .day-block {
    grid-template-columns: 1fr;
    gap: 17px;
    padding: 24px 19px 28px;
  }

  .day-index {
    flex-direction: row;
    align-items: baseline;
    gap: 10px;
  }

  .day-count {
    font-size: 2.55rem;
  }

  .day-heading h3 {
    font-size: 1.45rem;
  }

  .schedule-row {
    grid-template-columns: 1fr;
    gap: 2px;
    padding: 13px 0;
  }

  .day-position {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .track-pillars,
  .workshop-stages,
  .confirmation-list,
  .funding-sources {
    grid-template-columns: 1fr;
  }

  .pillar,
  .stage {
    min-height: auto;
  }

  .prize-row {
    grid-template-columns: minmax(0, 1fr) 54px 102px;
    gap: 7px;
    font-size: 0.8rem;
  }

  .budget-summary {
    position: static;
  }

  .site-footer-inner {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .footer-mark {
    font-size: 1.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@media print {
  .section-nav,
  .download-brief,
  .details-dialog {
    display: none !important;
  }

  .site-header {
    color: var(--ink);
    background: var(--white);
  }

  .hero h1 {
    color: var(--ink);
  }

  .hero-lede,
  .proposal-banner p,
  .meta-item {
    color: var(--muted);
  }

  .main-shell {
    padding-top: 30px;
  }
}