:root {
  --blue: #1f41b0;
  --light-blue: #8cb5ff;
  --white: #f4f4f4;
  --pink: #f27c92;
  --red: #e34054;
  --ink: #16214d;
  --muted: #66729d;
  --line: rgba(31, 65, 176, 0.16);
  --shadow: 0 22px 60px rgba(31, 65, 176, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  overflow-x: hidden;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 12px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(244, 244, 244, 0.18);
  background: rgba(31, 65, 176, 0.94);
  color: var(--white);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 190px;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: #1f41b0;
}

.brand span {
  display: grid;
  gap: 2px;
}

.brand strong {
  font-size: 18px;
}

.brand em {
  font-size: 11px;
  font-style: normal;
  opacity: 0.76;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
}

.nav a {
  opacity: 0.84;
}

.nav a:hover {
  opacity: 1;
}

.nav-action,
.primary-btn,
.secondary-btn,
.contact-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 8px;
  font-weight: 800;
}

.nav-action {
  padding: 0 18px;
  background: var(--red);
  color: var(--white);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(420px, 0.96fr);
  gap: clamp(28px, 4vw, 72px);
  min-height: calc(100vh - 76px);
  padding: clamp(52px, 7vw, 96px) clamp(20px, 5vw, 72px) 64px;
  background:
    linear-gradient(110deg, rgba(31, 65, 176, 0.96) 0%, rgba(31, 65, 176, 0.92) 54%, rgba(140, 181, 255, 0.82) 100%),
    var(--blue);
  color: var(--white);
  overflow: hidden;
}

.hero-copy {
  align-self: center;
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--pink);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
}

.hero h1,
.section-heading h2,
.contact-section h2 {
  margin: 0;
  font-weight: 900;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 760px;
  font-size: clamp(46px, 7vw, 86px);
  line-height: 1.06;
}

.hero h1 span {
  display: inline;
}

.hero-subtitle {
  max-width: 690px;
  margin: 26px 0 0;
  color: rgba(244, 244, 244, 0.88);
  font-size: 20px;
  line-height: 1.85;
}

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

.primary-btn,
.secondary-btn {
  padding: 0 24px;
}

.primary-btn {
  background: var(--red);
  color: var(--white);
}

.secondary-btn {
  border: 1px solid rgba(244, 244, 244, 0.46);
  color: var(--white);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 46px;
}

.hero-metrics div {
  min-height: 104px;
  padding: 18px;
  border: 1px solid rgba(244, 244, 244, 0.18);
  border-radius: 8px;
  background: rgba(244, 244, 244, 0.08);
}

.hero-metrics strong {
  display: block;
  font-size: 34px;
}

.hero-metrics span {
  display: block;
  margin-top: 8px;
  color: rgba(244, 244, 244, 0.78);
  font-size: 14px;
}

.hero-visual {
  align-self: center;
  width: 100%;
  min-height: 650px;
  padding: 26px;
  border: 1px solid rgba(244, 244, 244, 0.28);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 28px 90px rgba(9, 18, 65, 0.32);
  color: var(--blue);
}

.visual-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.visual-top span {
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--red);
  color: var(--white);
  font-weight: 900;
}

.visual-top small {
  color: var(--muted);
  font-weight: 800;
}

.court-card {
  position: relative;
  height: 330px;
  margin-top: 24px;
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(244, 244, 244, 0.12) 1px, transparent 1px),
    linear-gradient(0deg, rgba(244, 244, 244, 0.12) 1px, transparent 1px),
    var(--blue);
  background-size: 42px 42px;
  overflow: hidden;
}

.court-lines {
  position: absolute;
  inset: 28px;
  border: 3px solid rgba(244, 244, 244, 0.78);
  border-radius: 8px;
}

.court-lines span:nth-child(1) {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  background: rgba(244, 244, 244, 0.78);
}

.court-lines span:nth-child(2),
.court-lines span:nth-child(3) {
  position: absolute;
  top: 50%;
  width: 112px;
  height: 112px;
  border: 3px solid rgba(244, 244, 244, 0.78);
  border-radius: 999px;
  transform: translateY(-50%);
}

.court-lines span:nth-child(2) {
  left: -56px;
}

.court-lines span:nth-child(3) {
  right: -56px;
}

.live-tag {
  position: absolute;
  left: 24px;
  top: 24px;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--pink);
  color: var(--white);
  font-size: 12px;
  font-weight: 900;
}

.ball {
  position: absolute;
  border-radius: 999px;
}

.ball-one {
  right: 78px;
  top: 74px;
  width: 72px;
  height: 72px;
  background: var(--red);
}

.ball-two {
  left: 116px;
  bottom: 78px;
  width: 46px;
  height: 46px;
  background: var(--light-blue);
}

.visual-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.visual-grid article {
  min-height: 132px;
  padding: 18px;
  border-radius: 8px;
  background: rgba(140, 181, 255, 0.28);
}

.visual-grid strong {
  display: block;
  font-size: 22px;
}

.visual-grid span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.section {
  padding: 86px clamp(20px, 5vw, 72px);
}

.section-heading {
  max-width: 860px;
  margin-bottom: 34px;
}

.section-heading.compact {
  max-width: 700px;
}

.section-heading h2,
.contact-section h2 {
  color: var(--blue);
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.16;
}

.section-heading p:not(.eyebrow),
.contact-section p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.feature-strip,
.role-grid,
.topic-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.feature-strip article,
.topic-grid article {
  min-height: 230px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 10px 34px rgba(31, 65, 176, 0.06);
}

.index {
  color: var(--red);
  font-weight: 900;
}

.feature-strip h3,
.role-card h3,
.calendar-list h3,
.media-panel h3,
.topic-grid h3 {
  margin: 14px 0 10px;
  color: var(--blue);
  font-size: 23px;
}

.feature-strip p,
.role-card p,
.calendar-list p,
.media-panel p,
.topic-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.role-section {
  background: linear-gradient(180deg, #fff 0%, rgba(140, 181, 255, 0.18) 100%);
}

.role-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.role-card {
  min-height: 420px;
  padding: 30px;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.role-card ul {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.role-card li {
  min-height: 42px;
  padding: 10px 12px;
  border-radius: 8px;
  font-weight: 800;
}

.blue-card {
  background: var(--blue);
}

.blue-card h3,
.blue-card p,
.blue-card .role-icon {
  color: var(--white);
}

.blue-card li {
  background: rgba(244, 244, 244, 0.12);
  color: var(--white);
}

.light-card {
  background: var(--light-blue);
}

.light-card li,
.pink-card li {
  background: rgba(244, 244, 244, 0.36);
  color: var(--blue);
}

.pink-card {
  background: var(--pink);
}

.pink-card h3,
.pink-card p,
.pink-card .role-icon {
  color: var(--white);
}

.pink-card li {
  color: var(--white);
}

.role-icon {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border: 2px solid currentColor;
  border-radius: 8px;
  font-size: 28px;
  font-weight: 900;
}

.calendar-section {
  background: var(--white);
}

.calendar-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  gap: 18px;
}

.calendar-list {
  display: grid;
  gap: 14px;
}

.calendar-list article,
.media-panel {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.calendar-list time {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--blue);
  color: var(--white);
  font-size: 14px;
  font-weight: 900;
}

.calendar-list span {
  display: inline-flex;
  margin-top: 14px;
  color: var(--red);
  font-weight: 900;
}

.media-panel {
  align-self: stretch;
  background: var(--blue);
}

.media-panel h3,
.media-panel p {
  color: var(--white);
}

.media-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.media-tags span {
  padding: 9px 12px;
  border-radius: 8px;
  background: rgba(244, 244, 244, 0.12);
  color: var(--white);
  font-weight: 800;
}

.process-section {
  background: var(--blue);
}

.process-section .section-heading h2,
.process-section .section-heading p:not(.eyebrow) {
  color: var(--white);
}

.process {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.process div {
  min-height: 152px;
  padding: 22px;
  border: 1px solid rgba(244, 244, 244, 0.18);
  border-radius: 8px;
  background: rgba(244, 244, 244, 0.08);
  color: var(--white);
}

.process strong {
  display: block;
  font-size: 28px;
}

.process span {
  display: block;
  margin-top: 14px;
  color: rgba(244, 244, 244, 0.76);
  line-height: 1.6;
}

.topic-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(380px, 0.72fr);
  gap: clamp(24px, 4vw, 64px);
  padding: 86px clamp(20px, 5vw, 72px);
  background: linear-gradient(135deg, rgba(242, 124, 146, 0.18), rgba(140, 181, 255, 0.34));
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 24px;
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 8px;
}

.contact-form span {
  color: var(--blue);
  font-weight: 900;
}

.contact-form input,
.contact-form select {
  width: 100%;
  min-height: 48px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
}

.contact-form button {
  width: 100%;
  min-height: 52px;
  border: 0;
  background: var(--red);
  color: var(--white);
  cursor: pointer;
  font: inherit;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px clamp(20px, 5vw, 72px);
  background: var(--blue);
  color: rgba(244, 244, 244, 0.82);
}

@media (max-width: 980px) {
  .nav {
    display: none;
  }

  .hero,
  .calendar-layout,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: auto;
  }

  .feature-strip,
  .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .role-grid,
  .process {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 68px;
  }

  .brand {
    min-width: 0;
  }

  .nav-action {
    display: none;
  }

  .hero {
    padding-top: 42px;
  }

  .hero h1 {
    max-width: 100%;
    font-size: 38px;
    line-height: 1.12;
  }

  .hero h1 span {
    display: block;
  }

  .hero-visual {
    padding: 18px;
  }

  .visual-top {
    align-items: flex-start;
  }

  .visual-top small {
    max-width: 138px;
    text-align: right;
    line-height: 1.5;
  }

  .hero-subtitle,
  .section-heading p:not(.eyebrow),
  .contact-section p {
    font-size: 16px;
    overflow-wrap: anywhere;
  }

  .hero-metrics,
  .visual-grid,
  .feature-strip,
  .topic-grid {
    grid-template-columns: 1fr;
  }

  .court-card {
    height: 260px;
  }

  .contact-section {
    padding-bottom: 54px;
  }

  .site-footer {
    flex-direction: column;
  }
}