/* 活力创意风：亮底、橙红渐变、大字标题、斜切元素，面向电竞青年赛道 */
:root {
  --cream: #fff8f2;
  --coal: #211a16;
  --dim: #7a6f68;
  --flame: #ff5c2e;
  --flame-deep: #e6401a;
  --sun: #ffb03a;
  --edge: #f0e4da;
  --maxw: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--coal);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

.wrap {
  width: min(var(--maxw), calc(100% - 36px));
  margin: 0 auto;
}

h1, h2, h3, p {
  margin: 0;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 16px;
  border-radius: 8px;
  background: var(--coal);
  color: var(--sun);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  transform: rotate(-1.2deg);
}

/* 顶栏 */
.deck {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 248, 242, 0.94);
  border-bottom: 2px solid var(--coal);
  backdrop-filter: blur(8px);
}

.deck-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 70px;
  gap: 20px;
}

.logo-block {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-block strong {
  font-size: 21px;
  font-weight: 900;
  letter-spacing: 0.02em;
}

.logo-block small {
  font-size: 11.5px;
  color: var(--dim);
  letter-spacing: 0.1em;
}

.deck-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  font-size: 13.5px;
  font-weight: 600;
}

.deck-nav a:hover {
  color: var(--flame);
}

/* 首屏：大字 + 斜切色块 */
.blast {
  position: relative;
  padding: 88px 0 72px;
  overflow: hidden;
}

.blast::after {
  content: "";
  position: absolute;
  right: -120px;
  top: -80px;
  width: 380px;
  height: 380px;
  background: linear-gradient(135deg, var(--sun), var(--flame));
  border-radius: 48px;
  transform: rotate(18deg);
  opacity: 0.16;
  pointer-events: none;
}

.blast h1 {
  margin-top: 24px;
  max-width: 760px;
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.06;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.blast h1 mark {
  background: linear-gradient(120deg, var(--sun), var(--flame));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.blast .pitch {
  margin-top: 22px;
  max-width: 560px;
  font-size: 16px;
  line-height: 1.95;
  color: var(--dim);
}

.blast-cta {
  display: flex;
  gap: 14px;
  margin-top: 34px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 30px;
  border-radius: 14px;
  font-size: 14.5px;
  font-weight: 700;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover {
  transform: translate(-2px, -2px);
}

.btn-fire {
  background: linear-gradient(120deg, var(--flame), var(--flame-deep));
  color: #fff;
  box-shadow: 4px 4px 0 var(--coal);
}

.btn-frame {
  border: 2px solid var(--coal);
  background: #fff;
  box-shadow: 4px 4px 0 rgba(33, 26, 22, 0.16);
}

/* 跑马灯式关键词条 */
.ticker {
  border-top: 2px solid var(--coal);
  border-bottom: 2px solid var(--coal);
  background: var(--coal);
  color: var(--cream);
  padding: 14px 0;
  font-size: 13.5px;
  letter-spacing: 0.2em;
  font-weight: 700;
  text-align: center;
}

.ticker span {
  margin: 0 18px;
  white-space: nowrap;
}

.ticker b {
  color: var(--sun);
}

/* 区块 */
.zone {
  padding: 76px 0;
}

.zone.tinted {
  background: #fff;
  border-top: 2px solid var(--edge);
  border-bottom: 2px solid var(--edge);
}

.zone-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 26px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.zone-head h2 {
  margin-top: 16px;
  font-size: clamp(28px, 3.6vw, 42px);
  font-weight: 900;
}

.zone-head p {
  max-width: 480px;
  font-size: 15px;
  line-height: 1.95;
  color: var(--dim);
}

/* 不对称卡片组 */
.mosaic {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 18px;
}

.tile {
  padding: 30px 28px;
  border: 2px solid var(--coal);
  border-radius: 18px;
  background: #fff;
  box-shadow: 6px 6px 0 rgba(33, 26, 22, 0.1);
}

.tile.lead-tile {
  background: linear-gradient(140deg, var(--flame), var(--flame-deep));
  color: #fff;
  border-color: var(--flame-deep);
}

.tile.lead-tile p {
  color: rgba(255, 255, 255, 0.88);
}

.tile h3 {
  font-size: 20px;
  font-weight: 800;
}

.tile p {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.95;
  color: var(--dim);
}

/* 步骤条 */
.route {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.route-stop {
  padding: 26px 22px;
  border-radius: 18px;
  background: var(--cream);
  border: 2px dashed rgba(33, 26, 22, 0.25);
}

.route-stop span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--coal);
  color: var(--sun);
  font-weight: 900;
  font-size: 16px;
  transform: rotate(-4deg);
}

.route-stop h3 {
  margin-top: 14px;
  font-size: 17.5px;
  font-weight: 800;
}

.route-stop p {
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--dim);
}

/* 联系区 */
.duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.info-slab {
  padding: 32px 30px;
  border-radius: 18px;
  border: 2px solid var(--coal);
  background: #fff;
}

.info-slab h3 {
  font-size: 20px;
  font-weight: 800;
}

.info-slab p {
  margin-top: 12px;
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--dim);
}

.info-slab a {
  color: var(--flame-deep);
  font-weight: 700;
}

/* 页脚 */
.basement {
  background: var(--coal);
  color: #cfc4bc;
  padding: 46px 0 54px;
  margin-top: 76px;
}

.basement-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 30px;
  font-size: 13.5px;
  line-height: 2.1;
}

.basement a {
  color: var(--sun);
}

@media (max-width: 900px) {
  .mosaic,
  .route,
  .duo,
  .basement-grid {
    grid-template-columns: 1fr;
  }

  .blast {
    padding: 60px 0 48px;
  }

  .zone {
    padding: 50px 0;
  }

  .deck-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 12px 0;
  }

  .ticker span {
    display: block;
    margin: 6px 0;
  }
}
