:root {
  --blue-950: #071329;
  --blue-900: #0b1f49;
  --blue-800: #123483;
  --blue-700: #1746a2;
  --paper: #f6f9ff;
  --text: #0c1830;
  --muted: #627089;
  --line: #d9e2f1;
  --gold: #f2b544;
  --red: #d93535;
  --green: #13a463;
  --shadow: 0 24px 70px rgba(9, 29, 77, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: linear-gradient(180deg, #edf4ff 0%, #f7faff 42%, #ffffff 100%);
}

.site-hero {
  position: relative;
  min-height: 560px;
  color: #fff;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 18%, rgba(255, 255, 255, 0.18), transparent 22%),
    radial-gradient(circle at 82% 8%, rgba(242, 181, 68, 0.24), transparent 20%),
    linear-gradient(135deg, #071329 0%, #123483 48%, #1b66d1 100%);
}

.site-hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -42% -10%;
  height: 58%;
  background: #edf4ff;
  transform: rotate(-3deg);
  transform-origin: left top;
}

.topbar,
.hero-content,
.shell {
  width: min(1180px, calc(100vw - 40px));
  margin: 0 auto;
}

.topbar {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 28px 0;
}

.brand strong,
.brand span {
  display: block;
}

.brand strong {
  font-size: 22px;
}

.brand span {
  margin-top: 5px;
  color: rgba(232, 241, 255, 0.78);
}

.top-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.top-pills span {
  padding: 9px 13px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(10px);
  font-size: 14px;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 68px 0 120px;
}

.eyebrow {
  margin: 0 0 18px;
  color: #bcd9ff;
  font-size: 14px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(42px, 6vw, 76px);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.subtitle {
  max-width: 760px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: 22px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 34px;
}

.hero-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 148px;
  height: 48px;
  border-radius: 999px;
  color: #0b2a63;
  background: #fff;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}

.hero-actions .ghost {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.24);
}

.shell {
  position: relative;
  z-index: 3;
  margin-top: -72px;
  padding-bottom: 56px;
}

.countdown-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 22px;
}

.count-card,
.panel {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(214, 226, 245, 0.9);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.count-card {
  min-height: 156px;
  padding: 26px;
  border-radius: 28px;
}

.count-card.primary {
  color: #fff;
  background: linear-gradient(135deg, #123483, #1768d6);
}

.count-card span,
.count-card small {
  display: block;
  color: var(--muted);
}

.count-card.primary span,
.count-card.primary small {
  color: rgba(255, 255, 255, 0.76);
}

.count-card strong {
  display: block;
  margin: 14px 0;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1;
}

.panel {
  border-radius: 28px;
  padding: 28px;
  margin-bottom: 22px;
}

.section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.intro-grid {
  grid-template-columns: 1fr;
}

.section-title {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 22px;
}

.section-title span {
  font-size: 24px;
  font-weight: 800;
}

.section-title small {
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.schedule-list {
  display: grid;
  gap: 12px;
}

.schedule-list div {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 14px;
  padding: 16px;
  border-radius: 18px;
  background: #f4f8ff;
  border: 1px solid var(--line);
}

.schedule-list b {
  color: var(--blue-800);
}

.schedule-list span {
  color: var(--muted);
}

.task-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.task-card {
  min-height: 260px;
  padding: 20px;
  border-radius: 22px;
  background: #f8fbff;
  border: 1px solid var(--line);
}

.task-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.task-head h3 {
  margin: 0;
  font-size: 22px;
}

.task-head span {
  padding: 6px 10px;
  border-radius: 999px;
  color: #fff;
  background: var(--blue-700);
  font-size: 13px;
  white-space: nowrap;
}

.task-goal,
.task-note,
.info-list p,
.risk-list p {
  color: var(--muted);
  line-height: 1.65;
}

.task-goal {
  min-height: 52px;
}

.progress {
  height: 10px;
  border-radius: 999px;
  background: #dbe6f6;
  overflow: hidden;
}

.progress i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--gold), #18b6ff);
}

.task-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  color: var(--blue-800);
}

.task-meta em {
  color: var(--muted);
  font-style: normal;
}

.briefing-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 22px;
  align-items: stretch;
}

.info-panel {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(238, 246, 255, 0.94)),
    radial-gradient(circle at 15% 10%, rgba(23, 104, 214, 0.12), transparent 28%);
}

.info-list,
.risk-list {
  display: grid;
  gap: 12px;
}

.info-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.info-card {
  position: relative;
  min-height: 178px;
  padding: 18px;
  border-radius: 20px;
  background: #ffffff;
  border: 1px solid #d7e4f5;
  overflow: hidden;
}

.info-card:first-child {
  grid-column: 1 / -1;
  min-height: 150px;
  color: #fff;
  background:
    radial-gradient(circle at 88% 18%, rgba(255, 255, 255, 0.24), transparent 24%),
    linear-gradient(135deg, var(--blue-900), var(--blue-700));
  border-color: rgba(255, 255, 255, 0.24);
}

.info-card em {
  display: block;
  margin-bottom: 18px;
  color: rgba(18, 52, 131, 0.22);
  font-size: 42px;
  line-height: 1;
  font-style: normal;
  font-weight: 900;
}

.info-card:first-child em {
  color: rgba(255, 255, 255, 0.28);
}

.info-card strong,
.risk-card strong {
  display: block;
  font-size: 18px;
}

.info-card strong {
  color: var(--blue-800);
}

.info-card:first-child strong {
  color: #fff;
}

.info-card small {
  display: inline-flex;
  margin: 10px 0 8px;
  padding: 5px 9px;
  border-radius: 999px;
  color: #31527f;
  background: #e8f1ff;
  font-weight: 700;
}

.info-card:first-child small {
  color: #0d2b68;
  background: rgba(255, 255, 255, 0.9);
}

.info-card p {
  margin: 0;
}

.info-card:first-child p {
  color: rgba(255, 255, 255, 0.84);
}

.danger-panel {
  border-color: rgba(217, 53, 53, 0.26);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 248, 248, 0.96)),
    radial-gradient(circle at 90% 8%, rgba(217, 53, 53, 0.12), transparent 28%);
}

.risk-list {
  gap: 14px;
}

.risk-card {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 14px;
  min-height: 96px;
  padding: 16px;
  border-radius: 20px;
  background: #fffafa;
  border: 1px solid #f0caca;
  box-shadow: 0 12px 26px rgba(217, 53, 53, 0.06);
}

.risk-card b {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 15px;
  color: #fff;
  background: linear-gradient(135deg, #d93535, #f26b6b);
  box-shadow: 0 10px 20px rgba(217, 53, 53, 0.22);
}

.risk-card strong {
  color: #982323;
}

.risk-card p {
  margin: 0;
}

.checklist-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.checklist-grid label {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 54px;
  padding: 14px;
  border-radius: 16px;
  background: #f7faff;
  border: 1px solid var(--line);
  cursor: pointer;
}

.checklist-grid input {
  width: 18px;
  height: 18px;
  accent-color: var(--blue-700);
}

@media (max-width: 920px) {
  .topbar,
  .section-grid,
  .briefing-grid,
  .countdown-board,
  .task-grid {
    grid-template-columns: 1fr;
    display: grid;
  }

  .top-pills {
    justify-content: flex-start;
  }

  .checklist-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .info-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .topbar,
  .hero-content,
  .shell {
    width: min(100vw - 24px, 1180px);
  }

  .site-hero {
    min-height: 620px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .schedule-list div,
  .checklist-grid {
    grid-template-columns: 1fr;
  }
}