/* ==========================================================
   page-about · 品牌故事
   ========================================================== */

.page-about {
  position: relative;
  isolation: isolate;
  overflow-x: clip;
}

/* ---------- 分栏骨架 ---------- */
.page-about .about-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.5vw, 40px);
}

@media (min-width: 900px) {
  .page-about .about-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 2.2fr);
    gap: clamp(32px, 4.5vw, 64px);
    align-items: start;
  }

  .page-about .about-split--wide {
    grid-template-columns: minmax(0, 2.2fr) minmax(0, 1fr);
  }
}

/* ---------- 通用正文 ---------- */
.page-about .about-copy {
  display: grid;
  gap: 14px;
}

.page-about .about-copy p {
  margin: 0;
  color: var(--hk-fog);
  font-size: clamp(15px, 1.05vw, 16.5px);
  line-height: 1.78;
  max-width: 68ch;
}

.page-about .about-note {
  margin: 0;
  color: var(--hk-fog-dim);
  font-size: 13.5px;
  line-height: 1.7;
  max-width: 36ch;
}

/* ---------- 面包屑 ---------- */
.page-about .hk-breadcrumb {
  padding-top: clamp(14px, 2.5vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding-top: clamp(26px, 5vw, 54px);
  padding-bottom: clamp(8px, 1.6vw, 16px);
  background-image:
    radial-gradient(60% 70% at 18% 12%, rgba(198, 255, 74, 0.12), transparent 66%),
    radial-gradient(45% 55% at 92% 8%, rgba(74, 168, 255, 0.1), transparent 70%);
  background-repeat: no-repeat;
}

.page-about .about-hero__aside {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-about .about-hero__toc {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-family: var(--hk-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-about .about-hero__toc a {
  display: inline-block;
  color: var(--hk-fog-dim);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-about .about-hero__toc a:hover,
.page-about .about-hero__toc a:focus-visible {
  color: var(--hk-lime);
  border-bottom-color: var(--hk-lime);
}

.page-about .about-hero__body {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
  align-content: start;
}

.page-about .about-hero__body .hk-h1 {
  max-width: 18ch;
}

.page-about .about-hero__media {
  margin: clamp(30px, 5vw, 58px) 0 0;
}

/* ---------- 起点 ---------- */
.page-about .about-origin__body {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-about .about-origin__aside {
  align-content: start;
}

.page-about .about-origin__figure {
  margin: clamp(30px, 5vw, 56px) 0 0;
}

/* ---------- 做法 ---------- */
.page-about .about-methods-section {
  background-image: radial-gradient(58% 44% at 84% 0%, rgba(255, 139, 61, 0.09), transparent 72%);
  background-repeat: no-repeat;
}

.page-about .about-methods {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
}

.page-about .about-method {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(16px, 3vw, 34px);
  padding: clamp(22px, 3vw, 32px) 0;
  border-top: 1px solid var(--hk-line-soft);
  transition: background-color 0.22s ease;
}

.page-about .about-method:last-child {
  border-bottom: 1px solid var(--hk-line-soft);
}

.page-about .about-method:hover {
  background-color: rgba(198, 255, 74, 0.035);
}

.page-about .about-method__index {
  font-family: var(--hk-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--hk-lime);
  padding-top: 7px;
}

.page-about .about-method__text .hk-h3 {
  margin: 0 0 8px;
}

.page-about .about-method__text p {
  margin: 0;
  color: var(--hk-fog);
  font-size: clamp(14.5px, 1vw, 16px);
  line-height: 1.75;
  max-width: 64ch;
}

/* ---------- 进度 ---------- */
.page-about .about-progress-section {
  background-image: radial-gradient(52% 48% at 8% 100%, rgba(74, 168, 255, 0.1), transparent 72%);
  background-repeat: no-repeat;
}

.page-about .about-progress {
  display: grid;
  gap: clamp(24px, 3.5vw, 36px);
}

.page-about .about-progress__intro {
  display: grid;
  gap: 14px;
  max-width: 74ch;
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--hk-line-soft);
  border: 1px solid var(--hk-line-soft);
  border-radius: var(--hk-radius-m);
  overflow: hidden;
}

.page-about .about-stat {
  position: relative;
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(20px, 2.6vw, 30px);
  background: linear-gradient(180deg, var(--hk-carbon-2), var(--hk-carbon));
}

.page-about .about-stat::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: var(--hk-lime);
  transform: scaleX(0.3);
  transform-origin: left center;
  transition: transform 0.35s ease;
}

.page-about .about-stat:hover::after {
  transform: scaleX(1);
}

.page-about .about-stat--amber::after {
  background: var(--hk-amber);
}

.page-about .about-stat--blue::after {
  background: var(--hk-blue);
}

.page-about .about-stat__value {
  display: block;
  font-family: var(--hk-font-mono);
  font-size: clamp(30px, 4.6vw, 44px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--hk-lime);
}

.page-about .about-stat--amber .about-stat__value {
  color: var(--hk-amber);
}

.page-about .about-stat--blue .about-stat__value {
  color: var(--hk-blue);
}

.page-about .about-stat__label {
  display: block;
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--hk-fog-dim);
}

/* ---------- 继续 ---------- */
.page-about .about-next__body {
  gap: 16px;
  align-content: start;
}

.page-about .about-next__body .hk-btn-row {
  margin-top: clamp(4px, 1.2vw, 12px);
}

.page-about .about-next__figure {
  margin: 0;
}

/* ---------- 图片通用 ---------- */
.page-about .hk-media {
  border: 1px solid var(--hk-line-soft);
  box-shadow: 0 30px 70px -52px rgba(0, 0, 0, 0.9);
}

.page-about .hk-media img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 窄屏收束 ---------- */
@media (max-width: 560px) {
  .page-about .about-hero__body .hk-h1 {
    max-width: none;
  }

  .page-about .about-method {
    gap: 12px;
  }

  .page-about .about-note {
    max-width: none;
  }
}
</main>