/* ============================================================
   首页 · page-home
   深水底 + 玻璃层 + 非对称三栏目录 + 观赛动线时间轴
   ============================================================ */

.page-home {
  --hp-gap: clamp(18px, 3vw, 36px);
  --hp-pad-sec: clamp(64px, 9vw, 118px);
  display: block;
  background: var(--deep);
  color: var(--mist);
  overflow-x: clip;
}

/* ---------- 章节骨架 ---------- */
.page-home .hp-sec {
  position: relative;
  padding: var(--hp-pad-sec) 0;
  border-top: 1px solid var(--line);
}
.page-home .hp-sec__head,
.page-home .hp-tier__head,
.page-home .hp-flow__head,
.page-home .hp-fork__head {
  margin-bottom: clamp(28px, 4.2vw, 52px);
}

.page-home .sec-index {
  display: block;
  font-family: var(--mono);
  font-size: clamp(36px, 5.4vw, 76px);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--blue);
  opacity: 0.5;
}

.page-home .kicker {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-home .display {
  margin: 0 0 18px;
  color: var(--ink-strong);
  font-size: clamp(26px, 3.6vw, 44px);
  line-height: 1.28;
  letter-spacing: -0.01em;
}

.page-home .lede {
  max-width: 64ch;
  margin: 0 0 24px;
  font-size: clamp(16px, 1.35vw, 18.5px);
  line-height: 1.85;
  color: var(--mist);
}

.page-home .prose {
  max-width: 62ch;
  margin: 0 0 16px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 首屏 01 ---------- */
.page-home .hp-open {
  position: relative;
  padding: clamp(56px, 8vw, 104px) 0 0;
  overflow: hidden;
}
.page-home .hp-open::before {
  content: "";
  position: absolute;
  inset: -14% -22% 34% -22%;
  background:
    radial-gradient(58% 52% at 18% 14%, rgba(31, 169, 230, 0.22), transparent 70%),
    radial-gradient(44% 42% at 88% 26%, rgba(53, 240, 208, 0.12), transparent 72%);
  pointer-events: none;
  z-index: 0;
}
.page-home .hp-open .wrap {
  position: relative;
  z-index: 1;
}
.page-home .hp-open__head {
  max-width: 860px;
  margin-bottom: clamp(30px, 4.6vw, 54px);
}
.page-home .hp-open__head .display {
  font-size: clamp(30px, 5vw, 62px);
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 22px;
}
.page-home .hp-open__head .lede {
  max-width: 60ch;
  font-size: clamp(16px, 1.5vw, 19px);
}

.page-home .hp-open__rail {
  position: absolute;
  top: clamp(56px, 8vw, 104px);
  right: clamp(10px, 2vw, 30px);
  z-index: 1;
  display: none;
}
.page-home .hp-open__rail .side-note {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.28em;
  color: var(--mist);
  opacity: 0.55;
}
@media (min-width: 1180px) {
  .page-home .hp-open__rail { display: block; }
}

/* 非对称三栏目录 5:4:3，错落排列 */
.page-home .hp-dir {
  position: relative;
  align-items: start;
}
.page-home .hp-dir__item {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(20px, 2.4vw, 30px);
  border-radius: var(--radius-m);
}
.page-home .hp-dir__item .h-sub {
  margin: 0;
  color: var(--ink-strong);
  font-size: clamp(18px, 1.55vw, 22px);
  line-height: 1.45;
}
.page-home .hp-dir__item .card__text {
  flex: 1;
  margin: 0;
  color: var(--mist);
  line-height: 1.8;
  font-size: 15.5px;
}
.page-home .hp-dir__item .btn {
  align-self: flex-start;
  margin-top: 6px;
}
.page-home .hp-dir__item--a { min-height: 300px; }
.page-home .hp-dir__item--b { min-height: 258px; margin-top: clamp(20px, 3vw, 42px); }
.page-home .hp-dir__item--c { min-height: 214px; margin-top: clamp(40px, 5.5vw, 78px); }

/* 首屏氛围图 */
.page-home .hp-open__media {
  position: relative;
  margin: clamp(40px, 6vw, 76px) 0 0;
}
.page-home .hp-open__media::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(6, 18, 31, 0.06) 0%, rgba(6, 18, 31, 0.55) 100%);
  pointer-events: none;
}

.page-home .hp-wave {
  display: block;
  width: 100%;
  height: clamp(40px, 5vw, 60px);
  margin-top: clamp(28px, 4vw, 52px);
  opacity: 0.85;
}

/* ---------- 关注列表 02 ---------- */
.page-home .hp-focus .hp-sec__head {
  display: flex;
  align-items: flex-start;
  gap: clamp(16px, 3vw, 44px);
}
.page-home .hp-focus .hp-sec__head .sec-index { flex: none; }
.page-home .hp-focus .hp-sec__head .display { margin-bottom: 0; }

.page-home .hp-focus__body {
  align-items: center;
}

.page-home .hp-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 28px;
}
.page-home .hp-chip {
  appearance: none;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--mist);
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: border-color 0.22s var(--ease), color 0.22s var(--ease), background 0.22s var(--ease);
}
.page-home .hp-chip:hover { border-color: var(--blue); color: var(--ink-strong); }
.page-home .hp-chip:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }
.page-home .hp-chip[aria-pressed="true"] {
  border-color: var(--cyan);
  background: var(--glass);
  color: var(--ink-strong);
}

.page-home .hp-focus__fig { margin: 0; }

/* ---------- 使用记录 03 ---------- */
.page-home .hp-recall__inner { max-width: 800px; }

.page-home .hp-recall__facts {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(28px, 4.6vw, 62px);
  margin: 28px 0 32px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.page-home .hp-recall__fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-home .hp-recall__num {
  font-family: var(--mono);
  font-size: clamp(34px, 4.2vw, 54px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}
.page-home .hp-recall__fact .note {
  font-size: 13px;
  letter-spacing: 0.04em;
}

/* ---------- 第二屏 04 ---------- */
.page-home .hp-tier__row {
  display: grid;
  gap: clamp(24px, 4vw, 58px);
  align-items: center;
  margin-bottom: clamp(44px, 6.4vw, 88px);
}
.page-home .hp-tier__row--panel { grid-template-columns: 5fr 6fr; }
.page-home .hp-tier__row--apple {
  grid-template-columns: 6fr 4fr;
  margin-bottom: 0;
}
.page-home .hp-tier__fig { margin: 0; }
.page-home .hp-tier__body { max-width: 56ch; }
.page-home .hp-tier__body .h-sec {
  margin: 12px 0 14px;
  color: var(--ink-strong);
  font-size: clamp(20px, 2vw, 28px);
  line-height: 1.4;
}
.page-home .hp-tier__body .btn { margin-top: 6px; }

.page-home .hp-tier__aside {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 0;
  padding: clamp(20px, 2.6vw, 30px);
  list-style: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--glass-blue);
}
.page-home .hp-tier__aside .note {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.7;
}
.page-home .hp-tier__aside .note::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--coral);
}

/* ---------- 观赛动线 05 ---------- */
.page-home .hp-flow__media {
  margin: 0 0 clamp(28px, 4.2vw, 46px);
  opacity: 0.82;
}
.page-home .hp-flow__tl .tl__item {
  padding: clamp(20px, 2.4vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--glass-blue);
  transition: border-color 0.25s var(--ease);
}
.page-home .hp-flow__tl .tl__item:hover,
.page-home .hp-flow__tl .tl__item.is-in { border-color: var(--line); }
.page-home .hp-flow__tl .tl__item.is-in { border-color: rgba(53, 240, 208, 0.42); }
.page-home .hp-flow__tl .tl__time {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}
.page-home .hp-flow__tl .tl__title {
  margin: 10px 0 10px;
  font-size: 20px;
  color: var(--ink-strong);
}
.page-home .hp-flow__tl .tl__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 分岔入口 06 ---------- */
.page-home .hp-fork__head .lede { margin-bottom: 0; }

.page-home .hp-fork__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(12px, 1.8vw, 20px);
}
.page-home .hp-fork__item {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas:
    "idx title go"
    "idx text  go";
  gap: 4px 16px;
  padding: clamp(20px, 2.4vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: linear-gradient(180deg, rgba(31, 169, 230, 0.06), rgba(11, 37, 54, 0));
  color: inherit;
  text-decoration: none;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), background 0.25s var(--ease);
}
.page-home .hp-fork__item:hover,
.page-home .hp-fork__item:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-3px);
  background: linear-gradient(180deg, rgba(53, 240, 208, 0.1), rgba(11, 37, 54, 0));
}
.page-home .hp-fork__item:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}
.page-home .hp-fork__idx {
  grid-area: idx;
  align-self: start;
  padding-top: 4px;
  color: var(--blue);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.page-home .hp-fork__title {
  grid-area: title;
  margin: 0;
  font-size: 18px;
  color: var(--ink-strong);
}
.page-home .hp-fork__text {
  grid-area: text;
  margin: 4px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}
.page-home .hp-fork__go {
  grid-area: go;
  align-self: center;
  color: var(--cyan);
  font-size: 20px;
  transition: transform 0.25s var(--ease);
}
.page-home .hp-fork__item:hover .hp-fork__go { transform: translateX(5px); }

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .page-home .hp-tier__row--panel { grid-template-columns: 1fr; }
  .page-home .hp-tier__row--apple { grid-template-columns: 1fr; }
  .page-home .hp-tier__fig { order: -1; }
}

@media (max-width: 900px) {
  .page-home .hp-dir__item--b,
  .page-home .hp-dir__item--c { margin-top: 0; }
  .page-home .hp-dir__item--a,
  .page-home .hp-dir__item--b,
  .page-home .hp-dir__item--c { min-height: 0; }

  .page-home .hp-focus .hp-sec__head { flex-direction: column; gap: 8px; }
  .page-home .hp-sec__head .sec-index { font-size: 32px; }
  .page-home .hp-focus__fig { order: -1; }

  .page-home .hp-tier__aside { padding: 20px; }
}

@media (max-width: 720px) {
  .page-home .hp-fork__list { grid-template-columns: 1fr; }
  .page-home .hp-recall__facts {
    gap: 22px 34px;
    padding-top: 22px;
  }
  .page-home .hp-recall__num { font-size: 30px; }
  .page-home .hp-open__head .display { letter-spacing: -0.01em; }
  .page-home .hp-chip { padding: 7px 13px; font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hp-chip,
  .page-home .hp-fork__item,
  .page-home .hp-fork__go,
  .page-home .hp-flow__tl .tl__item { transition: none; }
  .page-home .hp-fork__item:hover,
  .page-home .hp-fork__item:focus-visible { transform: none; }
  .page-home .hp-fork__item:hover .hp-fork__go { transform: none; }
}
</main>