/* 子页：主内容区预留顶栏高度（与 index 首屏 padding-top 思路一致） */
body.has-site-chrome main.page-wrap {
  padding-top: calc(var(--nav-h));
}

/* ─── 页面重置与基础（色板与 home.css 对齐）─── */
.page-wrap.article-page {
    --gold: #B8882A;
    --gold-light: #D4A843;
    --gold-deep: #8A6010;
    --ink: #1A1814;
    --paper: #FAFAF8;
    --cream: #ffffff;
    --muted: #8A857C;
    --text2: #4A4540;
    --terracotta: #B8882A;
    --text-2xs: 0.8125rem;
    --text-sm: 0.875rem;
    --text-sm-plus: 0.9375rem;
    --text-base: 1rem;
    --text-md: 1.0625rem;
    --leading-normal: 1.6;
    --leading-relaxed: 1.75;
    max-width: 100%;
    width: 100%;
    padding: 0;
    margin: 0;
  }

  /* ─── HERO 全屏横幅 ─── */
  .about-hero {
    position: relative;
    min-height: 72vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--ink);
  }

  .about-hero__bg {
    position: absolute;
    inset: 0;
    background:
      radial-gradient(ellipse 80% 60% at 70% 50%, rgba(200,169,110,0.13) 0%, transparent 60%),
      radial-gradient(ellipse 50% 80% at 15% 20%, rgba(196,83,58,0.09) 0%, transparent 55%),
      linear-gradient(135deg, #0f0e0c 0%, #1A1814 50%, #161412 100%);
  }

  /* 装饰性网格线 */
  .about-hero__grid {
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(rgba(200,169,110,0.04) 1px, transparent 1px),
      linear-gradient(90deg, rgba(200,169,110,0.04) 1px, transparent 1px);
    background-size: 64px 64px;
    pointer-events: none;
  }

  /* 大型装饰字 */
  .about-hero__deco {
    position: absolute;
    right: -0.05em;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--ff-display, 'Playfair Display', serif);
    font-size: clamp(180px, 22vw, 340px);
    font-weight: 700;
    line-height: 1;
    color: transparent;
    -webkit-text-stroke: 1px rgba(200,169,110,0.10);
    user-select: none;
    pointer-events: none;
    letter-spacing: -0.04em;
  }

  .about-hero__inner {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 6rem clamp(1.5rem, 5vw, 5rem) 5rem;
  }

  .about-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    font-size: var(--text-2xs);
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold, #B8882A);
    margin-bottom: 1.75rem;
    opacity: 0;
    animation: fadeUp 0.7s ease 0.1s forwards;
  }

  .about-hero__eyebrow::before {
    content: '';
    display: inline-block;
    width: 2rem;
    height: 1px;
    background: var(--gold, #B8882A);
    flex-shrink: 0;
  }

  .about-hero__title {
    font-family: var(--ff-display, 'Playfair Display', serif);
    font-size: clamp(2.8rem, 5.5vw + 1rem, 6.5rem);
    font-weight: 700;
    line-height: 1.06;
    letter-spacing: -0.03em;
    color: var(--paper, #FAFAF8);
    margin-bottom: 1.75rem;
    max-width: 14ch;
    opacity: 0;
    animation: fadeUp 0.75s ease 0.2s forwards;
  }

  .about-hero__title em {
    font-style: normal;
    color: var(--gold, #B8882A);
    position: relative;
  }

  .about-hero__subtitle {
    font-size: clamp(1.05rem, 1.5vw, 1.3rem);
    line-height: 1.7;
    color: rgba(245,240,232,0.62);
    max-width: 44ch;
    margin-bottom: 2.5rem;
    opacity: 0;
    animation: fadeUp 0.75s ease 0.32s forwards;
  }

  .about-hero__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    background: var(--gold, #B8882A);
    color: var(--ink, #1A1814);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--text-sm-plus);
    letter-spacing: 0.04em;
    padding: 0.85rem 2rem;
    border-radius: 2px;
    transition: background 0.2s, transform 0.2s;
    opacity: 0;
    animation: fadeUp 0.75s ease 0.44s forwards;
  }

  .about-hero__cta:hover {
    background: #d4b87a;
    transform: translateY(-2px);
  }

  .about-hero__cta svg {
    transition: transform 0.2s;
  }

  .about-hero__cta:hover svg {
    transform: translateX(4px);
  }

  /* ─── STATS 横幅 ─── */
  .about-stats {
    background: var(--gold, #B8882A);
    padding: 2.5rem clamp(1.5rem, 5vw, 5rem);
  }

  .about-stats__inner {
    max-width: 1240px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
  }

  .about-stat {
    text-align: center;
    padding: 0.5rem;
  }

  .about-stat__num {
    font-family: var(--ff-display, 'Playfair Display', serif);
    font-size: clamp(2.2rem, 3.5vw, 3.5rem);
    font-weight: 700;
    color: var(--ink, #1A1814);
    line-height: 1;
    margin-bottom: 0.4rem;
    letter-spacing: -0.03em;
  }

  .about-stat__label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: rgba(10,10,10,0.65);
    letter-spacing: 0.06em;
  }

  /* ─── PHILOSOPHY 理念区 ─── */
  .about-philosophy {
    padding: clamp(4rem, 7vw, 7rem) clamp(1.5rem, 5vw, 5rem);
    max-width: 1240px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(3rem, 6vw, 7rem);
    align-items: center;
  }

  .about-philosophy__label {
    font-size: var(--text-2xs);
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--terracotta, #B8882A);
    margin-bottom: 1.1rem;
  }

  .about-philosophy__heading {
    font-family: var(--ff-display, 'Playfair Display', serif);
    font-size: clamp(1.9rem, 2.8vw + 0.5rem, 3.2rem);
    font-weight: 700;
    line-height: 1.18;
    letter-spacing: -0.025em;
    color: var(--ink, #1A1814);
    margin-bottom: 1.5rem;
  }

  .about-philosophy__body {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--muted, #8A857C);
    margin-bottom: 1.25rem;
  }

  .about-philosophy__body strong {
    color: var(--ink, #1A1814);
    font-weight: 600;
  }

  /* 装饰卡片 */
  .about-philosophy__visual {
    position: relative;
  }

  .about-philosophy__card {
    background: var(--ink, #1A1814);
    border-radius: 4px;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
  }

  .about-philosophy__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--gold-deep, #8A6010), var(--gold-light, #D4A843));
  }

  .about-philosophy__card-quote {
    font-family: var(--ff-display, 'Playfair Display', serif);
    font-size: clamp(1.1rem, 1.5vw, 1.45rem);
    font-weight: 400;
    font-style: italic;
    line-height: 1.65;
    color: rgba(245,240,232,0.88);
    margin-bottom: 1.75rem;
  }

  .about-philosophy__card-author {
    display: flex;
    align-items: center;
    gap: 0.85rem;
  }

  .about-philosophy__card-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gold-deep, #8A6010), var(--gold-light, #D4A843));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--ff-display, serif);
    font-size: 1.1rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
  }

  .about-philosophy__card-name {
    font-size: var(--text-sm-plus);
    font-weight: 600;
    color: rgba(245,240,232,0.9);
  }

  .about-philosophy__card-role {
    font-size: var(--text-sm);
    color: rgba(245,240,232,0.45);
    margin-top: 0.1rem;
  }

  /* 浮动装饰块 */
  .about-philosophy__deco-block {
    position: absolute;
    bottom: -1.5rem;
    right: -1.5rem;
    width: 120px;
    height: 120px;
    border: 1.5px solid var(--gold, #B8882A);
    opacity: 0.22;
    border-radius: 2px;
    pointer-events: none;
  }

  /* ─── VALUES 价值观区 ─── */
  .about-values {
    background: var(--paper, #FAFAF8);
    padding: clamp(4rem, 7vw, 7rem) clamp(1.5rem, 5vw, 5rem);
  }

  .about-values__inner {
    max-width: 1240px;
    margin: 0 auto;
  }

  .about-values__header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: clamp(2.5rem, 4vw, 3.5rem);
    flex-wrap: wrap;
  }

  .about-values__label {
    font-size: var(--text-2xs);
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--terracotta, #B8882A);
    margin-bottom: 0.7rem;
  }

  .about-values__heading {
    font-family: var(--ff-display, 'Playfair Display', serif);
    font-size: clamp(1.8rem, 2.8vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--ink, #1A1814);
    line-height: 1.15;
    max-width: 22ch;
  }

  .about-values__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5px;
    background: rgba(10,10,10,0.08);
    border: 1.5px solid rgba(10,10,10,0.08);
  }

  .about-value-item {
    background: var(--paper, #FAFAF8);
    padding: 2.5rem 2rem;
    position: relative;
    transition: background 0.25s;
  }

  .about-value-item:hover {
    background: #fff;
  }

  .about-value-item__num {
    font-family: var(--ff-display, 'Playfair Display', serif);
    font-size: 3.5rem;
    font-weight: 700;
    color: rgba(10,10,10,0.06);
    line-height: 1;
    position: absolute;
    top: 1.25rem;
    right: 1.5rem;
    letter-spacing: -0.04em;
    user-select: none;
  }

  .about-value-item__icon {
    width: 44px;
    height: 44px;
    border: 1.5px solid var(--ink, #1A1814);
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.35rem;
    transition: background 0.2s, border-color 0.2s;
  }

  .about-value-item:hover .about-value-item__icon {
    background: var(--ink, #1A1814);
  }

  .about-value-item:hover .about-value-item__icon svg {
    color: white;
  }

  .about-value-item__icon svg {
    width: 20px;
    height: 20px;
    color: var(--ink, #1A1814);
    transition: color 0.2s;
  }

  .about-value-item__title {
    font-family: var(--ff-display, 'Playfair Display', serif);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--ink, #1A1814);
    margin-bottom: 0.75rem;
    letter-spacing: -0.015em;
  }

  .about-value-item__desc {
    font-size: var(--text-base);
    line-height: 1.72;
    color: var(--muted, #8A857C);
  }

  /* ─── ENTITY 品牌与经营主体 ─── */
  .about-entity {
    background: var(--cream, #faf7f2);
    border-top: 1px solid rgba(10,10,10,0.06);
    border-bottom: 1px solid rgba(10,10,10,0.06);
    padding: clamp(3.5rem, 6vw, 5.5rem) clamp(1.5rem, 5vw, 5rem);
  }

  .about-entity__inner {
    max-width: 1240px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 380px);
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
  }

  .about-entity__label {
    font-size: var(--text-2xs);
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #B8882A;
    margin-bottom: 1rem;
  }

  .about-entity__heading {
    font-family: var(--ff-display, 'Playfair Display', serif);
    font-size: clamp(1.65rem, 2.2vw + 0.4rem, 2.35rem);
    font-weight: 700;
    line-height: 1.22;
    letter-spacing: -0.02em;
    color: var(--ink, #1A1814);
    margin-bottom: 1.25rem;
  }

  .about-entity__lead,
  .about-entity__body {
    font-size: 1rem;
    line-height: 1.82;
    color: var(--muted, #8A857C);
    margin-bottom: 1rem;
  }

  .about-entity__lead strong,
  .about-entity__body strong {
    color: var(--ink, #1A1814);
    font-weight: 600;
  }

  .about-entity__legal {
    background: #fff;
    border: 1px solid rgba(10,10,10,0.08);
    border-radius: 4px;
    padding: 1.5rem 1.65rem;
    box-shadow: 0 8px 32px rgba(10,10,10,0.04);
  }

  .about-entity__legal-title {
    font-size: var(--text-2xs);
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink, #1A1814);
    margin-bottom: 1.15rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid rgba(10,10,10,0.08);
  }

  .about-entity__legal-list {
    margin: 0;
  }

  .about-entity__legal-row {
    display: grid;
    grid-template-columns: 5.5rem 1fr;
    gap: 0.65rem 1rem;
    margin-bottom: 0.95rem;
  }

  .about-entity__legal-row:last-child {
    margin-bottom: 0;
  }

  .about-entity__legal-row--wide {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .about-entity__legal-row dt {
    font-size: var(--text-sm);
    font-weight: 600;
    color: rgba(10,10,10,0.45);
    line-height: 1.5;
  }

  .about-entity__legal-row dd {
    margin: 0;
    font-size: var(--text-sm-plus);
    line-height: 1.65;
    color: var(--text2, #4a4540);
  }

  .about-entity__legal-row dd a {
    color: var(--ink, #1A1814);
    text-decoration: underline;
    text-underline-offset: 2px;
  }

  .about-entity__legal-row dd a:hover {
    color: #B8882A;
  }

  .about-entity__license {
    margin: 1.35rem 0 0;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(10,10,10,0.08);
  }

  .about-entity__license a {
    display: block;
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid rgba(10,10,10,0.1);
    transition: box-shadow 0.2s, transform 0.2s;
  }

  .about-entity__license a:hover {
    box-shadow: 0 8px 28px rgba(10,10,10,0.1);
    transform: translateY(-1px);
  }

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

  .about-entity__license figcaption {
    margin-top: 0.55rem;
    font-size: var(--text-2xs);
    line-height: 1.5;
    color: rgba(10,10,10,0.45);
    text-align: center;
  }

  
  /* ─── SERVICES 服务区 ─── */
  .about-services {
    background: var(--ink, #1A1814);
    padding: clamp(4rem, 7vw, 7rem) clamp(1.5rem, 5vw, 5rem);
  }

  .about-services__inner {
    max-width: 1240px;
    margin: 0 auto;
  }

  .about-services .about-section-label {
    color: var(--gold, #B8882A);
  }

  .about-services .about-section-heading {
    color: var(--paper, #FAFAF8);
  }

  .about-services__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: rgba(245,240,232,0.08);
    border: 1px solid rgba(245,240,232,0.08);
  }

  .about-service-card {
    padding: 2.5rem;
    background: var(--ink, #1A1814);
    position: relative;
    overflow: hidden;
    transition: background 0.25s;
  }

  .about-service-card:hover {
    background: #141311;
  }

  .about-service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--gold-deep, #8A6010), var(--gold-light, #D4A843));
    transition: width 0.35s ease;
  }

  .about-service-card:hover::after {
    width: 100%;
  }

  .about-service-card__tag {
    display: inline-block;
    font-size: var(--text-2xs);
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gold, #B8882A);
    border: 1px solid rgba(200,169,110,0.3);
    padding: 0.2rem 0.6rem;
    border-radius: 2px;
    margin-bottom: 1.25rem;
  }

  .about-service-card__title {
    font-family: var(--ff-display, 'Playfair Display', serif);
    font-size: 1.25rem;
    font-weight: 700;
    color: rgba(245,240,232,0.92);
    margin-bottom: 0.85rem;
    letter-spacing: -0.02em;
  }

  .about-service-card__desc {
    font-size: var(--text-base);
    line-height: 1.72;
    color: rgba(245,240,232,0.48);
  }

  /* ─── CTA 最终号召 ─── */
  .about-cta {
    padding: clamp(5rem, 8vw, 8rem) clamp(1.5rem, 5vw, 5rem);
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .about-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 60% at 50% 50%, rgba(200,169,110,0.1) 0%, transparent 65%);
    pointer-events: none;
  }

  .about-cta__inner {
    max-width: 640px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
  }

  .about-cta__eyebrow {
    font-size: var(--text-2xs);
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--terracotta, #B8882A);
    margin-bottom: 1rem;
  }

  .about-cta__heading {
    font-family: var(--ff-display, 'Playfair Display', serif);
    font-size: clamp(2rem, 3.5vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--ink, #1A1814);
    line-height: 1.15;
    margin-bottom: 1.25rem;
  }

  .about-cta__body {
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--muted, #8A857C);
    margin-bottom: 2.5rem;
  }

  .about-cta__actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
  }

  .about-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: var(--ink, #1A1814);
    color: var(--paper, #FAFAF8);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--text-sm-plus);
    letter-spacing: 0.03em;
    padding: 0.9rem 2.2rem;
    border-radius: 2px;
    transition: background 0.2s, transform 0.2s;
  }

  .about-btn-primary:hover {
    background: var(--gold-deep, #8A6010);
    transform: translateY(-2px);
  }

  .about-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--ink, #1A1814);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--text-sm-plus);
    letter-spacing: 0.03em;
    padding: 0.9rem 1.5rem;
    border: 1.5px solid var(--border, rgba(10,10,10,0.15));
    border-radius: 2px;
    transition: border-color 0.2s, background 0.2s;
  }

  .about-btn-secondary:hover {
    border-color: var(--ink, #1A1814);
    background: rgba(10,10,10,0.04);
  }

  /* ─── 隐藏原始 article 结构 ─── */
  .article-entry {
    display: none;
  }

  /* ─── 面包屑与相关文章定位 ─── */
  #breadcrumb {
    max-width: 1240px;
    margin: 0 auto;
    padding: 1rem clamp(1.5rem, 5vw, 5rem) 0;
  }

  #related-posts {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 clamp(1.5rem, 5vw, 5rem) clamp(3rem, 5vw, 5rem);
  }

  /* ─── 滚动入场动画 ─── */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.65s ease, transform 0.65s ease;
  }

  .reveal.in-view {
    opacity: 1;
    transform: none;
  }

  .reveal-delay-1 { transition-delay: 0.08s; }
  .reveal-delay-2 { transition-delay: 0.18s; }
  .reveal-delay-3 { transition-delay: 0.28s; }
  .reveal-delay-4 { transition-delay: 0.38s; }

  /* ─── 响应式 ─── */
  @media (max-width: 900px) {
    .about-philosophy {
      grid-template-columns: 1fr;
      gap: 3rem;
    }

    .about-philosophy__visual {
      order: -1;
    }

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

    .about-process__list {
      grid-template-columns: repeat(2, 1fr);
      gap: 2.5rem;
    }

    .about-process__list::before {
      display: none;
    }

    .about-services__grid {
      grid-template-columns: 1fr;
    }

    .about-stats__inner {
      grid-template-columns: repeat(2, 1fr);
      gap: 2rem;
    }

    .about-entity__inner {
      grid-template-columns: 1fr;
    }
  }

  @media (max-width: 600px) {
    .about-values__grid {
      grid-template-columns: 1fr;
    }

    .about-process__list {
      grid-template-columns: 1fr;
    }

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

    .about-hero__title {
      font-size: clamp(2.4rem, 11vw, 3.5rem);
    }

    .about-entity__legal-row {
      grid-template-columns: 1fr;
      gap: 0.25rem;
    }
  }