/* ============ 页面基底 ============ */
.page-home {
  position: relative;
  color: var(--text);
  background: var(--ink-900);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: clip;
  padding-bottom: 72px;
}

.page-home::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
  opacity: 0.22;
  pointer-events: none;
  z-index: 0;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.35) 55%, rgba(0, 0, 0, 0.08) 85%, transparent 100%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.35) 55%, rgba(0, 0, 0, 0.08) 85%, transparent 100%);
}

.page-home::after {
  content: "";
  position: absolute;
  top: -12%;
  right: -14%;
  width: 60vmax;
  height: 60vmax;
  background: radial-gradient(circle, rgba(47, 227, 210, 0.09) 0%, rgba(47, 227, 210, 0) 62%);
  pointer-events: none;
  z-index: 0;
}

.page-home > * {
  position: relative;
  z-index: 1;
}

.page-home img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-home .gkk-section {
  padding-block: 52px;
}

.page-home .gkk-section + .gkk-section {
  border-top: 1px solid var(--line);
}

/* ============ 面包屑 ============ */
.home-crumb {
  padding-top: 92px;
  padding-bottom: 4px;
}

.home-crumb .gkk-breadcrumb {
  font-size: 12px;
  letter-spacing: 0.04em;
}

/* ============ 通用文字 ============ */
.page-home .home-h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 40px);
  letter-spacing: -0.02em;
  line-height: 1.18;
  color: var(--text);
  margin: 0 0 18px;
  max-width: 24ch;
}

.page-home .home-p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0 0 16px;
  max-width: 38ch;
}

.page-home .home-p--lead {
  font-size: 15.5px;
  max-width: 60ch;
}

/* ============ 编号标记 ============ */
.home-mark {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.home-mark .gkk-section__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.home-mark__line {
  flex: 1;
  max-width: 240px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan-dim), var(--line) 45%, transparent);
}

/* ============ A-01 首屏 ============ */
.home-intro {
  padding-top: 8px;
}

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

.home-intro__lead {
  order: 1;
}

.home-intro__media {
  order: 2;
}

.page-home .home-h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(28px, 5vw, 54px);
  letter-spacing: -0.025em;
  line-height: 1.14;
  color: var(--text);
  margin: 0 0 20px;
  max-width: 18ch;
}

.page-home .home-lede {
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
  margin: 0 0 24px;
  max-width: 40ch;
}

.home-status__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
}

.page-home .home-tag {
  text-decoration: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  max-width: 100%;
}

.page-home .home-tag__tip {
  display: inline-block;
  max-width: 0;
  overflow: hidden;
  white-space: nowrap;
  opacity: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
  vertical-align: middle;
  transition: max-width 0.32s var(--ease), opacity 0.32s var(--ease), margin-left 0.32s var(--ease);
}

.page-home .home-tag:hover .home-tag__tip,
.page-home .home-tag:focus-visible .home-tag__tip {
  max-width: 220px;
  opacity: 1;
  margin-left: 10px;
}

.home-status__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.home-intro__media .gkk-media {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}

.home-intro__media .gkk-media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* 数字量规条 */
.home-gauges {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 36px 0 0;
  padding: 0;
}

.home-gauges__cell {
  background: var(--ink-800);
  padding: 16px 18px;
  margin: 0;
}

.home-gauges__cell dt {
  margin: 0 0 6px;
  color: var(--muted);
}

.home-gauges__cell dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 26px;
  letter-spacing: 0.04em;
  color: var(--gold);
  line-height: 1.1;
}

/* 栏目索引 */
.home-index {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 28px;
}

.home-index__item {
  display: block;
  background: var(--ink-800);
  padding: 18px 18px;
  text-decoration: none;
  color: var(--text);
  transition: background-color 0.22s var(--ease);
}

.home-index__item:hover,
.home-index__item:focus-visible {
  background: var(--ink-600);
}

.home-index__item .gkk-index {
  display: block;
  margin-bottom: 10px;
  color: var(--cyan);
  font-size: 11px;
}

.home-index__text {
  display: block;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* ============ A-02 电脑端固定访问 ============ */
.home-route__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 8px;
}

.home-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.home-steps__item {
  background: var(--ink-800);
  padding: 22px 20px;
}

.home-steps__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  letter-spacing: 0.04em;
  color: var(--gold);
  margin-bottom: 12px;
  line-height: 1;
}

.home-steps__title {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  color: var(--text);
}

.home-steps__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.home-aside {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px;
  background: var(--glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.home-aside .gkk-index {
  color: var(--cyan);
}

.home-aside__text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  margin: 12px 0 18px;
}

.home-aside__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0;
  font-size: 13px;
  color: var(--text);
}

.home-aside__list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  border-bottom: 1px dashed var(--line);
  padding: 9px 0;
}

.home-aside__list li:last-child {
  border-bottom: 0;
}

.home-aside__list .gkk-num {
  color: var(--gold);
}

/* ============ A-03 小屏与大屏差异 ============ */
.home-screen__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 8px;
}

.home-screen__media .gkk-media {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}

.home-screen__media .gkk-media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.home-screen__list {
  list-style: none;
  padding: 0;
  margin: 0 0 22px;
  counter-reset: sc;
}

.home-screen__list li {
  counter-increment: sc;
  position: relative;
  padding: 14px 0 14px 44px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  color: var(--text);
  line-height: 1.75;
}

.home-screen__list li:last-child {
  border-bottom: 0;
}

.home-screen__list li::before {
  content: "0" counter(sc);
  position: absolute;
  left: 0;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

/* ============ A-04 新用户起步 ============ */
.home-start__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 8px;
}

.home-bigsteps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 18px;
}

.home-bigsteps > li {
  position: relative;
  border-left: 2px solid var(--cyan-dim);
  padding: 4px 0 4px 22px;
}

.home-bigsteps > li::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 10px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--cyan);
}

.home-bigsteps__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin-bottom: 6px;
}

.home-bigsteps h3 {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 6px;
  color: var(--text);
}

.home-bigsteps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.home-start__media .gkk-media {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  margin-bottom: 20px;
}

.home-start__media .gkk-media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ============ A-05 赛程归档 ============ */
.home-archive {
  padding-top: 0;
}

.home-archive__banner {
  margin: 0 0 44px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  position: relative;
}

.home-archive__banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 14, 27, 0.55) 0%, rgba(7, 14, 27, 0.15) 55%, rgba(7, 14, 27, 0.7) 100%);
  pointer-events: none;
}

.home-archive__banner img {
  width: 100%;
  aspect-ratio: 10 / 3;
  object-fit: cover;
  display: block;
}

.home-catalog {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 24px;
}

.home-catalog__cell {
  background: var(--ink-800);
  padding: 20px 18px;
}

.home-catalog__cell .gkk-index {
  display: block;
  margin-bottom: 10px;
  color: var(--cyan);
}

.home-catalog__cell p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.home-catalog__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.home-recent {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.home-recent li {
  background: var(--ink-800);
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 18px;
}

.home-recent__title {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text);
}

.home-recent__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
  white-space: nowrap;
}

.home-archive__action {
  margin-top: 28px;
}

/* ============ A-06 联系与反馈 ============ */
.home-help__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 8px;
}

.home-letter {
  list-style: none;
  padding: 0;
  margin: 18px 0 24px;
  display: grid;
  gap: 12px;
}

.home-letter li {
  position: relative;
  padding-left: 26px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.home-letter li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 14px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
}

.home-help .gkk-contact {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  overflow: hidden;
}

.home-help .gkk-contact__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}

.home-help .gkk-contact__item:last-of-type {
  border-bottom: 0;
}

.home-help .gkk-contact__key {
  flex: 0 0 88px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.home-help .gkk-contact__val {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.03em;
  color: var(--text);
  word-break: break-all;
}

.home-help .gkk-copy {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  background: transparent;
  border: 1px solid var(--cyan-dim);
  border-radius: 999px;
  padding: 4px 12px;
  cursor: pointer;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.home-help .gkk-copy:hover,
.home-help .gkk-copy:focus-visible {
  background: var(--cyan);
  color: var(--ink-900);
}

.home-help .gkk-contact__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 56ch;
}

/* ============ 响应式断点 ============ */
@media (min-width: 720px) {
  .page-home .gkk-section {
    padding-block: 64px;
  }

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

  .home-gauges__cell dd {
    font-size: 30px;
  }

  .home-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .home-recent li {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 20px;
  }
}

@media (min-width: 900px) {
  .page-home .gkk-section {
    padding-block: 76px;
  }

  .page-home .home-h2 {
    font-size: clamp(28px, 3vw, 40px);
  }

  .home-intro__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
  }

  .home-route__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 48px;
    align-items: start;
  }

  .home-screen__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 48px;
    align-items: start;
  }

  .home-start__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: center;
  }

  .home-help__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 52px;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .home-crumb {
    padding-top: 40px;
  }

  .home-index {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .home-index__item {
    padding: 22px 20px;
  }

  .home-intro__media .gkk-media img {
    aspect-ratio: 3 / 2;
  }
}

@media (min-width: 1280px) {
  .page-home .gkk-section {
    padding-block: 88px;
  }

  .page-home .home-h1 {
    font-size: 56px;
  }
}

/* ============ 动效降级 ============ */
@media (prefers-reduced-motion: reduce) {
  .page-home .home-tag__tip,
  .home-index__item,
  .home-help .gkk-copy {
    transition: none;
  }
}
</main>