/* About page: spatial editorial system for Huiliangdao. */
body.subpage.page-about {
  --about-accent: #bf3448;
  --about-accent-deep: #aa2c3f;
  --about-ink: #181a1f;
  --about-copy: #34373d;
  --about-muted: #73777f;
  --about-paper: #ffffff;
  --about-surface: #f4f5f6;
  --about-surface-strong: #e9ebee;
  --about-line: #dfe2e6;
  --about-radius: 8px;
  --about-ease: cubic-bezier(.22, 1, .36, 1);
  background: var(--about-surface);
}

body.subpage.page-about .nav__cta,
body.subpage.page-about .nav__cta:hover {
  color: #fff;
  background: var(--about-accent);
  box-shadow: 0 8px 20px rgba(191, 52, 72, .18);
}

body.subpage.page-about .nav__links a:not(.nav__cta)::after { background: var(--about-accent); }
body.subpage.page-about .nav__links a:not(.nav__cta):hover,
body.subpage.page-about .nav__links a.is-active { color: var(--about-accent); }

body.subpage.page-about .about-refresh {
  position: relative;
  overflow: clip;
  padding: clamp(104px, 10vw, 156px) 0;
  color: var(--about-ink);
  background: var(--about-paper);
}

body.subpage.page-about .about-refresh .wrap {
  width: min(100% - 64px, 1240px);
  margin-inline: auto;
}

body.subpage.page-about .about-refresh .reveal {
  opacity: 1;
  transform: none;
}

body.subpage.page-about .about-refresh__heading {
  max-width: 930px;
  margin: 0 auto;
  text-align: center;
}

body.subpage.page-about .about-refresh__heading h2,
body.subpage.page-about .about-refresh__closing h2 {
  margin: 0;
  color: var(--about-ink);
  font-family: var(--sans);
  font-size: clamp(38px, 4.6vw, 62px);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.16;
}

body.subpage.page-about .about-refresh__heading p {
  max-width: 650px;
  margin: 26px auto 0;
  color: var(--about-muted);
  font-size: 16px;
  line-height: 1.9;
}

@media (min-width: 1080px) {
  body.subpage.page-about .about-refresh--intro .about-refresh__heading h2 { white-space: nowrap; }
}

body.subpage.page-about .about-refresh--intro {
  padding-top: clamp(118px, 11vw, 174px);
  padding-bottom: clamp(52px, 6vw, 82px);
  background: var(--about-surface);
}

body.subpage.page-about .about-refresh--intro .about-refresh__heading::after {
  content: "";
  display: block;
  width: 56px;
  height: 5px;
  margin: 34px auto 0;
  border-radius: 2px;
  background: var(--about-accent);
}

body.subpage.page-about .about-refresh__engine {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  max-width: 1180px;
  min-height: 430px;
  margin: clamp(68px, 8vw, 112px) auto 0;
  overflow: hidden;
  border-radius: var(--about-radius);
  color: #f6f6f4;
  background: var(--about-ink);
  box-shadow: 0 24px 70px rgba(24, 26, 31, .13);
}

body.subpage.page-about .about-refresh__engine-main {
  grid-column: span 6;
  grid-row: span 2;
  min-height: 430px;
  padding: clamp(40px, 5vw, 70px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-left: 6px solid var(--about-accent);
}

body.subpage.page-about .about-refresh__engine-main span,
body.subpage.page-about .about-refresh__mission-card > span {
  color: var(--about-accent);
  font-size: 13px;
  font-weight: 700;
}

body.subpage.page-about .about-refresh__engine-main strong {
  display: block;
  max-width: 10em;
  margin-top: 22px;
  color: #f6f6f4;
  font-size: clamp(31px, 3.25vw, 48px);
  font-weight: 700;
  line-height: 1.2;
}

body.subpage.page-about .about-refresh__engine-main p {
  max-width: 34em;
  margin: 24px 0 0;
  color: rgba(246, 246, 244, .68);
  font-size: 14px;
  line-height: 1.85;
}

body.subpage.page-about .about-refresh__engine-step {
  grid-column: span 3;
  min-height: 215px;
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border-left: 1px solid rgba(255, 255, 255, .12);
  border-bottom: 1px solid rgba(255, 255, 255, .12);
  transition: color 220ms ease, background-color 220ms ease;
}

body.subpage.page-about .about-refresh__engine-step:nth-child(4),
body.subpage.page-about .about-refresh__engine-step:nth-child(5) { border-bottom: 0; }

body.subpage.page-about .about-refresh__engine-step b {
  display: block;
  margin-bottom: auto;
  color: var(--about-accent);
  font-size: 13px;
  font-weight: 700;
}

body.subpage.page-about .about-refresh__engine-step span {
  color: #f6f6f4;
  font-size: 19px;
  font-weight: 700;
}

body.subpage.page-about .about-refresh__engine-step small {
  margin-top: 8px;
  color: rgba(246, 246, 244, .56);
  font-size: 12px;
}

body.subpage.page-about .about-refresh--proof {
  padding-top: 0;
  padding-bottom: clamp(98px, 10vw, 154px);
  background: var(--about-surface);
}

body.subpage.page-about .about-refresh__metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  max-width: 1180px;
  margin: 0 auto;
  padding-top: clamp(54px, 6vw, 82px);
  border-top: 1px solid var(--about-line);
}

body.subpage.page-about .about-refresh__metrics article {
  min-height: 164px;
  padding: 10px clamp(18px, 2.5vw, 34px);
  text-align: center;
}

body.subpage.page-about .about-refresh__metrics article + article { border-left: 1px solid var(--about-line); }
body.subpage.page-about .about-refresh__metrics strong {
  display: block;
  color: var(--about-ink);
  font-size: clamp(40px, 4.3vw, 62px);
  font-weight: 700;
  line-height: 1;
}
body.subpage.page-about .about-refresh__metrics strong span { color: var(--about-accent); font-size: .66em; }
body.subpage.page-about .about-refresh__metrics p { margin: 18px 0 0; color: var(--about-ink); font-size: 16px; font-weight: 700; }
body.subpage.page-about .about-refresh__metrics small { display: block; margin-top: 7px; color: var(--about-muted); font-size: 12px; line-height: 1.65; }

body.subpage.page-about .about-refresh--mission {
  background: var(--about-paper);
}

body.subpage.page-about .about-refresh__heading--compact {
  max-width: 820px;
}

body.subpage.page-about .about-refresh__heading--compact h2 {
  font-size: clamp(36px, 4.2vw, 56px);
}

body.subpage.page-about .about-refresh__mission-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  gap: 18px;
  max-width: 1080px;
  margin: clamp(66px, 8vw, 108px) auto 0;
}

body.subpage.page-about .about-refresh__mission-card {
  min-height: 430px;
  padding: clamp(40px, 5vw, 66px);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border: 1px solid var(--about-line);
  border-radius: var(--about-radius);
  background: var(--about-surface);
}

body.subpage.page-about .about-refresh__mission-card h3 {
  max-width: 14em;
  margin: 42px 0 0;
  color: var(--about-ink);
  font-family: var(--sans);
  font-size: clamp(27px, 2.75vw, 39px);
  font-weight: 700;
  line-height: 1.34;
}

body.subpage.page-about .about-refresh__mission-card p {
  max-width: 34em;
  margin: 22px 0 0;
  color: var(--about-muted);
  font-size: 14px;
  line-height: 1.85;
}

body.subpage.page-about .about-refresh__mission-card--accent {
  color: #fff;
  background: var(--about-accent);
  border-color: var(--about-accent);
}

body.subpage.page-about .about-refresh__mission-card--accent > span,
body.subpage.page-about .about-refresh__mission-card--accent h3,
body.subpage.page-about .about-refresh__mission-card--accent p { color: #fff; }

body.subpage.page-about .about-refresh--principles {
  padding-bottom: 0;
  background: var(--about-surface);
}

body.subpage.page-about .about-refresh__principles {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 14px;
  max-width: 1180px;
  margin: clamp(66px, 8vw, 108px) auto 0;
}

body.subpage.page-about .about-refresh__principles article {
  grid-column: span 4;
  min-height: 232px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--about-line);
  border-radius: var(--about-radius);
  background: var(--about-paper);
  transition: transform 240ms var(--about-ease), box-shadow 240ms var(--about-ease), border-color 220ms ease;
}

body.subpage.page-about .about-refresh__principles article:nth-child(1) {
  grid-column: span 7;
  color: #f6f6f4;
  background: var(--about-ink);
  border-color: var(--about-ink);
}

body.subpage.page-about .about-refresh__principles article:nth-child(2) {
  grid-column: span 5;
  color: #fff;
  background: var(--about-accent);
  border-color: var(--about-accent);
}

body.subpage.page-about .about-refresh__principles article:nth-child(6) { grid-column: span 12; min-height: 190px; }

body.subpage.page-about .about-refresh__principles article > b {
  display: block;
  margin-bottom: auto;
  color: var(--about-accent);
  font-size: 13px;
  font-weight: 700;
}

body.subpage.page-about .about-refresh__principles article:nth-child(1) > b,
body.subpage.page-about .about-refresh__principles article:nth-child(2) > b { color: inherit; opacity: .72; }

body.subpage.page-about .about-refresh__principles h3 {
  margin: 34px 0 0;
  color: var(--about-ink);
  font-size: 22px;
  font-weight: 700;
}

body.subpage.page-about .about-refresh__principles p {
  max-width: 29em;
  margin: 13px 0 0;
  color: var(--about-muted);
  font-size: 13px;
  line-height: 1.75;
}

body.subpage.page-about .about-refresh__principles article:nth-child(1) h3,
body.subpage.page-about .about-refresh__principles article:nth-child(1) p,
body.subpage.page-about .about-refresh__principles article:nth-child(2) h3,
body.subpage.page-about .about-refresh__principles article:nth-child(2) p { color: inherit; }

body.subpage.page-about .about-refresh__closing {
  max-width: 1180px;
  margin: clamp(72px, 9vw, 128px) auto 0;
  padding: clamp(56px, 7vw, 92px);
  text-align: center;
  border-radius: var(--about-radius) var(--about-radius) 0 0;
  color: #f6f6f4;
  background: var(--about-ink);
}

body.subpage.page-about .about-refresh__closing h2 {
  max-width: 16em;
  margin: 0 auto;
  color: #f6f6f4;
  font-size: clamp(32px, 3.8vw, 52px);
  line-height: 1.24;
}

body.subpage.page-about .about-refresh__closing .btn {
  min-width: 188px;
  min-height: 54px;
  margin-top: 36px;
  padding: 15px 30px;
  border-radius: 999px;
  color: #fff;
  background: var(--about-accent);
  box-shadow: none;
  font-size: 16px;
  transition: transform 180ms var(--about-ease), background-color 180ms ease;
}

body.subpage.page-about .about-refresh__closing .btn:hover { color: #fff; background: var(--about-accent-deep); }
body.subpage.page-about .about-refresh__closing .btn:active { transform: translateY(1px) scale(.98); }
body.subpage.page-about .about-refresh .btn:focus-visible { outline: 2px solid var(--about-accent); outline-offset: 4px; }

@media (hover: hover) and (pointer: fine) {
  body.subpage.page-about .about-refresh__engine-step:hover { background: rgba(255, 255, 255, .055); }
  body.subpage.page-about .about-refresh__principles article:hover {
    transform: translateY(-4px);
    border-color: rgba(191, 52, 72, .26);
    box-shadow: 0 18px 42px rgba(24, 26, 31, .075);
  }
}

@media (max-width: 980px) {
  body.subpage.page-about .about-refresh__engine-main { grid-column: span 12; grid-row: auto; min-height: 330px; }
  body.subpage.page-about .about-refresh__engine-step { grid-column: span 3; min-height: 180px; border-top: 1px solid rgba(255, 255, 255, .12); border-bottom: 0; }
  body.subpage.page-about .about-refresh__mission-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  body.subpage.page-about .about-refresh { padding: 86px 0; }
  body.subpage.page-about .about-refresh .wrap { width: min(100% - 32px, 1240px); }
  body.subpage.page-about .about-refresh__heading h2,
  body.subpage.page-about .about-refresh__heading--compact h2 { font-size: clamp(34px, 9.3vw, 45px); line-height: 1.2; }
  body.subpage.page-about .about-refresh__heading p { margin-top: 20px; font-size: 14px; line-height: 1.85; }
  body.subpage.page-about .about-refresh--intro { padding-top: 94px; padding-bottom: 42px; }
  body.subpage.page-about .about-refresh--intro .about-refresh__heading::after { width: 42px; height: 4px; margin-top: 26px; }
  body.subpage.page-about .about-refresh__engine { grid-template-columns: repeat(2, minmax(0, 1fr)); min-height: 0; margin-top: 58px; }
  body.subpage.page-about .about-refresh__engine-main { grid-column: span 2; min-height: 300px; padding: 34px 28px; }
  body.subpage.page-about .about-refresh__engine-main strong { font-size: 31px; }
  body.subpage.page-about .about-refresh__engine-step { grid-column: span 1; min-height: 158px; padding: 23px 18px; }
  body.subpage.page-about .about-refresh__engine-step:nth-child(2),
  body.subpage.page-about .about-refresh__engine-step:nth-child(4) { border-left: 0; }
  body.subpage.page-about .about-refresh--proof { padding-top: 0; padding-bottom: 88px; }
  body.subpage.page-about .about-refresh__metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); padding-top: 46px; }
  body.subpage.page-about .about-refresh__metrics article { min-height: 160px; padding: 14px 10px; }
  body.subpage.page-about .about-refresh__metrics article:nth-child(3),
  body.subpage.page-about .about-refresh__metrics article:nth-child(4) { padding-top: 30px; border-top: 1px solid var(--about-line); }
  body.subpage.page-about .about-refresh__metrics article:nth-child(3) { border-left: 0; }
  body.subpage.page-about .about-refresh__metrics strong { font-size: 42px; }
  body.subpage.page-about .about-refresh__metrics p { font-size: 14px; }
  body.subpage.page-about .about-refresh__metrics small { font-size: 11px; }
  body.subpage.page-about .about-refresh__mission-grid { grid-template-columns: 1fr; gap: 12px; margin-top: 58px; }
  body.subpage.page-about .about-refresh__mission-card { min-height: 330px; padding: 34px 28px; }
  body.subpage.page-about .about-refresh__mission-card h3 { font-size: 28px; }
  body.subpage.page-about .about-refresh__principles { grid-template-columns: 1fr; gap: 12px; margin-top: 58px; }
  body.subpage.page-about .about-refresh__principles article,
  body.subpage.page-about .about-refresh__principles article:nth-child(1),
  body.subpage.page-about .about-refresh__principles article:nth-child(2),
  body.subpage.page-about .about-refresh__principles article:nth-child(6) { grid-column: auto; min-height: 190px; padding: 26px; }
  body.subpage.page-about .about-refresh__principles h3 { margin-top: 28px; }
  body.subpage.page-about .about-refresh__closing { margin-top: 68px; padding: 52px 24px; }
  body.subpage.page-about .about-refresh__closing h2 { font-size: 31px; }
  body.subpage.page-about .about-refresh__closing .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  body.subpage.page-about .about-refresh *,
  body.subpage.page-about .about-refresh *::before,
  body.subpage.page-about .about-refresh *::after { transition: none !important; }
}

/* 小红书质感：暖白留白、轻卡片与单一品牌红强调。 */
body.subpage.page-about {
  --about-accent: #d9364f;
  --about-accent-deep: #bd2940;
  --about-ink: #242124;
  --about-copy: #4c4749;
  --about-muted: #81797b;
  --about-paper: #fffdfc;
  --about-surface: #f8f5f3;
  --about-surface-strong: #f1eae8;
  --about-line: #eee5e2;
  --about-radius: 18px;
}

body.subpage.page-about .about-refresh--intro,
body.subpage.page-about .about-refresh--principles { background: var(--about-paper); }

body.subpage.page-about .about-refresh--intro .about-refresh__heading::after {
  width: 44px;
  height: 4px;
  margin-top: 28px;
  border-radius: 999px;
}

body.subpage.page-about .about-refresh__engine {
  overflow: visible;
  gap: 14px;
  min-height: 0;
  color: var(--about-ink);
  background: transparent;
  box-shadow: none;
}

body.subpage.page-about .about-refresh__engine-main,
body.subpage.page-about .about-refresh__engine-step {
  border: 1px solid var(--about-line);
  border-radius: var(--about-radius);
  background: #fff;
  box-shadow: 0 12px 32px rgba(103, 67, 65, .06);
}

body.subpage.page-about .about-refresh__engine-main {
  position: relative;
  overflow: hidden;
  min-height: 430px;
  border-left: 0;
  padding: clamp(40px, 5vw, 70px);
  background: #fff2f3;
}

body.subpage.page-about .about-refresh__engine-main::after {
  content: "HLD";
  position: absolute;
  right: 28px;
  top: 18px;
  color: rgba(217, 54, 79, .08);
  font-size: clamp(58px, 8vw, 110px);
  font-weight: 800;
  letter-spacing: .08em;
  line-height: 1;
  transform: rotate(-8deg);
  pointer-events: none;
}

body.subpage.page-about .about-refresh__engine-main strong,
body.subpage.page-about .about-refresh__engine-step span { color: var(--about-ink); }
body.subpage.page-about .about-refresh__engine-main strong { max-width: none; white-space: nowrap; }
body.subpage.page-about .about-refresh__engine-main p,
body.subpage.page-about .about-refresh__engine-step small { color: var(--about-muted); }

body.subpage.page-about .about-refresh__engine-step {
  position: relative;
  overflow: hidden;
  border-left: 1px solid var(--about-line);
  border-bottom: 1px solid var(--about-line);
}

body.subpage.page-about .about-refresh__engine-step::after {
  content: "";
  position: absolute;
  right: -20px;
  bottom: -20px;
  width: 74px;
  height: 74px;
  border: 1px solid rgba(217, 54, 79, .12);
  border-radius: 50%;
  pointer-events: none;
}

body.subpage.page-about .about-refresh__engine-step b {
  width: 34px;
  height: 24px;
  margin-bottom: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(217, 54, 79, .28);
  border-radius: 999px;
  background: #fff7f7;
}

body.subpage.page-about .about-refresh__metrics {
  gap: 14px;
  padding-top: clamp(54px, 6vw, 82px);
  border-top: 0;
}

body.subpage.page-about .about-refresh__metrics article {
  min-height: 190px;
  padding: 30px 22px;
  border: 1px solid var(--about-line);
  border-radius: var(--about-radius);
  background: #fff;
  box-shadow: 0 10px 26px rgba(103, 67, 65, .05);
}

body.subpage.page-about .about-refresh__metrics article + article { border-left: 1px solid var(--about-line); }
body.subpage.page-about .about-refresh--mission { background: var(--about-surface); }

body.subpage.page-about .about-refresh__mission-card,
body.subpage.page-about .about-refresh__principles article {
  border-color: var(--about-line);
  border-radius: var(--about-radius);
  box-shadow: 0 12px 30px rgba(103, 67, 65, .06);
}

body.subpage.page-about .about-refresh__mission-card { background: #fff; }
body.subpage.page-about .about-refresh__mission-card--accent {
  background: var(--about-accent);
  border-color: var(--about-accent);
  box-shadow: 0 16px 34px rgba(217, 54, 79, .16);
}

body.subpage.page-about .about-refresh__principles article,
body.subpage.page-about .about-refresh__principles article:nth-child(1),
body.subpage.page-about .about-refresh__principles article:nth-child(2) {
  color: var(--about-ink);
  background: #fff;
  border-color: var(--about-line);
}

body.subpage.page-about .about-refresh__principles article:nth-child(1) > b,
body.subpage.page-about .about-refresh__principles article:nth-child(2) > b { color: var(--about-accent); opacity: 1; }
body.subpage.page-about .about-refresh__principles article:nth-child(1) h3,
body.subpage.page-about .about-refresh__principles article:nth-child(1) p,
body.subpage.page-about .about-refresh__principles article:nth-child(2) h3,
body.subpage.page-about .about-refresh__principles article:nth-child(2) p { color: inherit; }

body.subpage.page-about .about-refresh__closing {
  border-radius: var(--about-radius);
  background: var(--about-accent);
  box-shadow: 0 18px 40px rgba(217, 54, 79, .14);
}

body.subpage.page-about .about-refresh__closing .btn { background: #fff; color: var(--about-accent); }
body.subpage.page-about .about-refresh__closing .btn:hover { background: #fff7f7; color: var(--about-accent-deep); }

@media (max-width: 760px) {
  body.subpage.page-about .about-refresh__engine-main strong { white-space: normal; }
  body.subpage.page-about .about-refresh__engine-main { min-height: 300px; }
  body.subpage.page-about .about-refresh__metrics article { min-height: 160px; padding: 24px 14px; }
}