/* =========================================
   页面专属：品牌概况（about / /profile/）
   作用域全部限定在 .page-about 内
   ========================================= */
.page-about {
  --about-red: #A3120E;
  --about-gold: #C9A137;
  --about-orange: #E8542A;
  --about-dark: #1F1B16;
  --about-cream: #F5EFE2;
  --about-paper: #FFF8F0;
  --about-green: #3FF23F;
  --about-line: #D0D0D0;
  --about-gray: #3A3A3A;
}

/* ---------- 首屏英雄区 ---------- */
.page-about .about-hero {
  background: var(--about-dark);
  position: relative;
  overflow: hidden;
  padding: 48px 0 64px;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, rgba(163, 18, 14, 0.88) 0%, rgba(163, 18, 14, 0.12) 46%, transparent 70%),
    repeating-linear-gradient(-55deg, transparent 0 18px, rgba(201, 161, 55, 0.05) 18px 19px);
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  top: -12%;
  right: -14%;
  width: 62%;
  height: 124%;
  background: linear-gradient(140deg, rgba(201, 161, 55, 0.28), transparent 64%);
  clip-path: polygon(16% 0, 100% 0, 84% 100%, 0 100%);
  pointer-events: none;
}

.page-about .about-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-about .about-hero__content {
  color: var(--about-paper);
}

.page-about .about-hero .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  color: rgba(255, 248, 240, 0.55);
  font-size: 13px;
  font-family: var(--font-body);
}

.page-about .about-hero .breadcrumbs a {
  color: var(--about-gold);
  text-decoration: none;
  transition: color var(--speed);
}

.page-about .about-hero .breadcrumbs a:hover {
  color: var(--about-paper);
}

.page-about .about-hero .breadcrumbs__sep {
  opacity: 0.5;
}

.page-about .about-hero__kicker {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--about-green);
  margin-bottom: 14px;
  text-transform: uppercase;
}

.page-about .about-hero h1 {
  font-family: var(--font-headline);
  font-size: clamp(34px, 6vw, 60px);
  line-height: 1.1;
  color: var(--about-paper);
  margin: 0 0 20px;
  letter-spacing: 0.02em;
  text-wrap: balance;
}

.page-about .about-hero__lead {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.85;
  color: rgba(255, 248, 240, 0.86);
  max-width: 600px;
  margin-bottom: 36px;
}

.page-about .about-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 44px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 248, 240, 0.16);
  margin-bottom: 36px;
}

.page-about .about-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about .about-hero__stat-num {
  font-family: var(--font-data);
  font-size: 30px;
  font-weight: 700;
  color: var(--about-gold);
  line-height: 1;
}

.page-about .about-hero__stat-label {
  font-family: var(--font-body);
  font-size: 12px;
  color: rgba(255, 248, 240, 0.55);
  letter-spacing: 0.06em;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-hero__aside {
  display: none;
}

/* ---------- 章节标题通用（页内修饰） ---------- */
.page-about .section-head--brand {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 44px;
  border-left: 4px solid var(--about-red);
  padding-left: 16px;
}

.page-about .section-head--brand .section-head__index {
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--about-red);
  letter-spacing: 0.18em;
}

.page-about .section-head--brand .section-head__title {
  font-family: var(--font-headline);
  font-size: 30px;
  color: var(--about-dark);
  margin: 0;
}

.page-about .section-head--brand .section-head__sub {
  font-family: var(--font-body);
  font-size: 15px;
  color: rgba(58, 58, 58, 0.75);
  line-height: 1.7;
  max-width: 720px;
  margin: 0;
}

.page-about .section-head--dark .section-head__index {
  color: var(--about-gold);
}

.page-about .section-head--dark .section-head__title {
  color: var(--about-paper);
}

.page-about .section-head--dark .section-head__sub {
  color: rgba(255, 248, 240, 0.65);
}

/* ---------- 品牌故事时间线 ---------- */
.page-about .about-timeline {
  padding: 72px 0 80px;
}

.page-about .about-timeline__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
  margin-top: 8px;
}

.page-about .about-timeline__aside {
  background: var(--about-paper);
  border: 1px solid var(--color-line);
  box-shadow: 8px 8px 0 rgba(163, 18, 14, 0.1);
  align-self: start;
}

.page-about .about-timeline__aside-media {
  margin: 0;
  border-bottom: 2px solid var(--about-red);
  position: relative;
  overflow: hidden;
}

.page-about .about-timeline__aside-media img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  position: relative;
  z-index: 1;
}

.page-about .about-timeline__aside-body {
  padding: 28px 26px 30px;
}

.page-about .about-aside__label {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--about-red);
  margin: 0 0 10px;
  text-transform: uppercase;
}

.page-about .about-aside__brand {
  font-family: var(--font-headline);
  font-size: 28px;
  line-height: 1.15;
  color: var(--about-dark);
  margin: 0 0 16px;
  letter-spacing: 0.03em;
}

.page-about .about-aside__quote {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--about-gray);
  border-left: 2px solid var(--about-gold);
  padding-left: 14px;
  margin: 0 0 22px;
}

.page-about .about-aside__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.page-about .about-aside__link {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--about-red);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--speed), color var(--speed);
}

.page-about .about-aside__link:hover {
  border-color: var(--about-red);
  color: var(--about-dark);
}

.page-about .about-timeline__rail {
  position: relative;
  padding-left: 26px;
  border-left: 1px solid rgba(58, 58, 58, 0.2);
}

.page-about .about-time-node {
  position: relative;
  border-bottom: 1px solid rgba(58, 58, 58, 0.12);
}

.page-about .about-time-node:last-child {
  border-bottom: none;
}

.page-about .about-time-node .disclose__head {
  background: transparent;
  padding: 22px 18px 22px 10px;
  cursor: pointer;
  transition: background var(--speed);
  position: relative;
}

.page-about .about-time-node .disclose__head::before {
  content: "";
  position: absolute;
  left: -33px;
  top: 50%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--about-orange);
  border: 3px solid var(--about-cream);
  box-shadow: 0 0 0 2px var(--about-orange);
  transform: translateY(-50%);
  z-index: 1;
}

.page-about .about-time-node .disclose__head:hover {
  background: rgba(163, 18, 14, 0.06);
}

.page-about .about-time-node .disclose__num {
  font-family: var(--font-data);
  font-weight: 700;
  color: var(--about-red);
  background: var(--about-paper);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 62px;
  height: 32px;
  padding: 0 10px;
  border: 1px solid rgba(163, 18, 14, 0.3);
  font-size: 14px;
  margin-right: 14px;
}

.page-about .about-time-node .disclose__title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 17px;
  color: var(--about-dark);
}

.page-about .about-time-node .disclose__mark {
  margin-left: auto;
}

.page-about .about-time-node .disclose__body {
  padding: 0 18px 24px 88px;
}

.page-about .about-time-node .disclose__body p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.85;
  color: var(--about-gray);
  margin: 0;
}

/* ---------- 认证与资质 ---------- */
.page-about .about-credentials {
  position: relative;
  overflow: hidden;
  padding: 76px 0 84px;
}

.page-about .about-credentials::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(125deg, transparent 0 26px, rgba(201, 161, 55, 0.04) 26px 27px);
  pointer-events: none;
}

.page-about .about-credentials > .container {
  position: relative;
  z-index: 1;
}

.page-about .about-credentials__featured {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 48px;
  padding: 32px;
  background: rgba(255, 248, 240, 0.05);
  border: 1px solid rgba(201, 161, 55, 0.3);
  align-items: center;
}

.page-about .about-credentials__media {
  margin: 0;
  border: 2px solid var(--about-gold);
  padding: 6px;
  background: rgba(201, 161, 55, 0.08);
}

.page-about .about-credentials__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-about .about-credentials__intro h3 {
  font-family: var(--font-headline);
  font-size: 24px;
  color: var(--about-paper);
  margin: 0 0 14px;
  letter-spacing: 0.03em;
}

.page-about .about-credentials__intro p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 248, 240, 0.78);
  margin-bottom: 18px;
}

.page-about .about-credentials__checks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-about .about-credentials__checks li {
  position: relative;
  padding-left: 22px;
  font-family: var(--font-data);
  font-size: 13px;
  color: rgba(255, 248, 240, 0.85);
}

.page-about .about-credentials__checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  width: 12px;
  height: 12px;
  background: var(--about-green);
  clip-path: polygon(85% 0, 100% 30%, 40% 100%, 0 55%, 15% 35%, 40% 70%);
}

.page-about .about-cert-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 32px;
}

.page-about .about-cert-card {
  background: rgba(255, 248, 240, 0.04);
  border: 1px solid rgba(201, 161, 55, 0.22);
  padding: 28px 22px 30px;
  transition: border-color var(--speed), background var(--speed), transform var(--speed);
}

.page-about .about-cert-card:hover {
  border-color: var(--about-gold);
  background: rgba(255, 248, 240, 0.07);
  transform: translateY(-4px);
}

.page-about .about-cert-card__icon {
  width: 52px;
  height: 52px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(201, 161, 55, 0.4);
  background: rgba(201, 161, 55, 0.1);
}

.page-about .about-cert-card__icon svg {
  width: 32px;
  height: 32px;
  display: block;
}

.page-about .about-cert-card h3 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 16px;
  color: var(--about-paper);
  margin: 0 0 14px;
  letter-spacing: 0.04em;
}

.page-about .about-cert-card p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 248, 240, 0.72);
  margin: 0;
}

.page-about .about-cert-hint {
  position: relative;
  display: inline-flex;
  width: 18px;
  height: 18px;
  margin-left: 6px;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  cursor: help;
  border: 1px solid rgba(201, 161, 55, 0.5);
  border-radius: 50%;
  color: var(--about-gold);
}

.page-about .about-cert-hint svg {
  width: 12px;
  height: 12px;
  display: block;
}

.page-about .about-cert-hint__tip {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  width: 220px;
  background: var(--about-paper);
  color: var(--about-dark);
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.6;
  border: 1px solid var(--about-gold);
  box-shadow: 4px 4px 0 rgba(201, 161, 55, 0.25);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--speed);
  z-index: 5;
}

.page-about .about-cert-hint:hover .about-cert-hint__tip,
.page-about .about-cert-hint:focus-visible .about-cert-hint__tip {
  opacity: 1;
}

/* ---------- 服务承诺 ---------- */
.page-about .about-promise {
  padding: 76px 0 84px;
}

.page-about .about-promise__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin-top: 8px;
}

.page-about .about-promise__primary {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--about-paper);
  border: 1px solid var(--color-line);
  align-self: start;
}

.page-about .about-promise__media {
  margin: 0;
  min-height: 200px;
  position: relative;
  overflow: hidden;
}

.page-about .about-promise__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-about .about-promise__body {
  padding: 32px 28px;
}

.page-about .about-promise__body h3 {
  font-family: var(--font-headline);
  font-size: 24px;
  color: var(--about-dark);
  margin: 0 0 16px;
  letter-spacing: 0.03em;
}

.page-about .about-promise__body p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--about-gray);
  margin-bottom: 26px;
}

.page-about .about-promise__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 0;
}

.page-about .about-promise__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 14px;
  background: var(--about-cream);
  border-left: 3px solid var(--about-red);
}

.page-about .about-promise__stat dt {
  font-family: var(--font-body);
  font-size: 12px;
  color: rgba(58, 58, 58, 0.65);
}

.page-about .about-promise__stat dd {
  font-family: var(--font-data);
  font-size: 22px;
  font-weight: 700;
  color: var(--about-red);
  margin: 0;
}

.page-about .about-promise__aside {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-about .about-promise__aside-card {
  background: var(--about-paper);
  border: 1px solid var(--color-line);
  border-top: 3px solid var(--about-gold);
  padding: 26px 24px;
}

.page-about .about-promise__aside-card h3 {
  font-family: var(--font-headline);
  font-size: 19px;
  color: var(--about-dark);
  margin: 0 0 12px;
  display: inline-block;
}

.page-about .about-promise__aside-card h3::after {
  content: "";
  display: block;
  width: 32px;
  height: 2px;
  background: var(--about-red);
  margin-top: 6px;
}

.page-about .about-promise__aside-card p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.85;
  color: var(--about-gray);
  margin-bottom: 16px;
}

.page-about .about-promise__aside-card p:last-child {
  margin-bottom: 0;
}

.page-about .about-promise__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

/* ---------- 响应式断点 ---------- */
@media (min-width: 600px) {
  .page-about .about-credentials__checks {
    grid-template-columns: 1fr 1fr;
  }

  .page-about .about-cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 700px) {
  .page-about .about-promise__primary {
    grid-template-columns: 320px 1fr;
  }

  .page-about .about-promise__media {
    height: 100%;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    padding: 72px 0 88px;
  }

  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: center;
    gap: 56px;
  }

  .page-about .about-hero__aside {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 360px;
    border-left: 1px solid rgba(201, 161, 55, 0.32);
    padding-left: 48px;
  }

  .page-about .about-hero__brace {
    font-family: var(--font-headline);
    font-size: 48px;
    color: var(--about-gold);
    line-height: 1;
  }

  .page-about .about-hero__verse {
    font-family: var(--font-headline);
    font-size: 27px;
    line-height: 1.42;
    letter-spacing: 0.06em;
    color: var(--about-paper);
    margin-top: 14px;
  }

  .page-about .about-timeline__layout {
    grid-template-columns: 340px minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }

  .page-about .about-credentials__featured {
    grid-template-columns: 260px 1fr;
    gap: 40px;
  }

  .page-about .about-promise__layout {
    grid-template-columns: minmax(0, 1.45fr) minmax(280px, 1fr);
    gap: 40px;
  }
}

@media (min-width: 1100px) {
  .page-about .about-cert-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-promise__stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-timeline__aside-media img {
    height: 260px;
  }
}