@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600&family=Cormorant+Garamond:ital,wght@0,300;0,500;0,700;1,300;1,500&family=Crimson+Pro:ital,wght@0,300;0,400;0,600;1,300;1,400&display=swap');

/* ============================================================
   CSS 变量 & 重置
   ============================================================ */
:root {
  --c-white:   #ffffff;
  --c-gray:    #f5f5f5;
  --c-charcoal:#1f1f1f;
  --c-border:  #d8d4cc;
  --c-muted:   #6b6660;
  --c-accent:  #3a3128;

  --shadow-sm: 0 1px 3px rgba(31,31,31,.08), 0 1px 2px rgba(31,31,31,.06);
  --shadow-md: 0 4px 12px rgba(31,31,31,.12), 0 2px 6px rgba(31,31,31,.08);
  --shadow-lg: 0 8px 24px rgba(31,31,31,.16), 0 4px 10px rgba(31,31,31,.10);
  --shadow-xl: 0 16px 48px rgba(31,31,31,.22), 0 8px 20px rgba(31,31,31,.14);

  --r-sm: 4px;
  --r-md: 4px;

  --nav-h: 60px;

  --ff-display: 'Cormorant Garamond', 'Crimson Pro', Georgia, serif;
  --ff-body:    'Crimson Pro', 'Cormorant Garamond', Georgia, serif;
  --ff-ui:      'Cinzel', var(--ff-display);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 18px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--ff-body);
  font-weight: 400;
  line-height: 1.7;
  color: var(--c-charcoal);
  background: var(--c-white);
  padding-bottom: var(--nav-h);
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ol, ul { list-style: none; }
button, input, select, textarea { font: inherit; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}

/* ============================================================
   底部固定导航
   ============================================================ */
.site-header {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--c-charcoal);
  border-top: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 -4px 20px rgba(31,31,31,.3);
  height: var(--nav-h);
}

.nav {
  display: flex;
  align-items: center;
  height: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
  gap: .25rem;
}

.nav__brand {
  font-family: var(--ff-ui);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-white);
  padding: .5rem .75rem;
  white-space: nowrap;
  flex-shrink: 0;
  transition: opacity .2s;
}
.nav__brand:hover { opacity: .75; }

.nav__side {
  display: flex;
  align-items: center;
  gap: .1rem;
  flex: 1;
}
.nav__side--left  { justify-content: flex-end; }
.nav__side--right { justify-content: flex-start; }

.nav__link {
  font-family: var(--ff-body);
  font-size: .82rem;
  font-weight: 300;
  color: rgba(255,255,255,.75);
  padding: .6rem .55rem;
  min-height: 40px;
  display: flex;
  align-items: center;
  white-space: nowrap;
  transition: color .2s;
  border-bottom: 2px solid transparent;
}
.nav__link:hover,
.nav__link[aria-current="page"] {
  color: var(--c-white);
  border-bottom-color: var(--c-white);
}

.nav__cta {
  font-family: var(--ff-ui);
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--c-charcoal);
  background: var(--c-white);
  padding: .45rem .9rem;
  min-height: 40px;
  display: flex;
  align-items: center;
  border-radius: var(--r-sm);
  margin-left: .4rem;
  transition: background .2s, transform .15s;
  white-space: nowrap;
}
.nav__cta:hover {
  background: var(--c-gray);
  transform: translateY(-1px);
}

/* ============================================================
   徽章
   ============================================================ */
.badge {
  display: inline-block;
  font-family: var(--ff-ui);
  font-size: .65rem;
  letter-spacing: .1em;
  padding: .25em .75em;
  border-radius: var(--r-sm);
  vertical-align: middle;
}
.badge--outline {
  border: 1px solid var(--c-charcoal);
  color: var(--c-charcoal);
  background: transparent;
}
.badge--solid {
  background: var(--c-charcoal);
  color: var(--c-white);
  border: 1px solid transparent;
}

/* ============================================================
   按钮
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  font-family: var(--ff-ui);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .1em;
  padding: .65rem 1.5rem;
  min-height: 44px;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .18s, box-shadow .18s, background .18s;
}
.btn--primary {
  background: var(--c-charcoal);
  color: var(--c-white);
  border-color: var(--c-charcoal);
  box-shadow: var(--shadow-md);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.btn--ghost {
  background: transparent;
  color: var(--c-charcoal);
  border-color: var(--c-charcoal);
}
.btn--ghost:hover {
  background: var(--c-gray);
  transform: translateY(-2px);
}

/* ============================================================
   眉标
   ============================================================ */
.eyebrow {
  display: block;
  font-family: var(--ff-ui);
  font-size: .65rem;
  letter-spacing: .15em;
  color: var(--c-muted);
  margin-bottom: .5rem;
}

/* ============================================================
   首页 Hero（Dimensional Layering，文字叠图）
   ============================================================ */
.hero {
  position: relative;
  min-height: 45vh;
  overflow: hidden;
  background: var(--c-charcoal);
  z-index: 1;
}
.hero__media {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .35;
  transform: scale(1.04);
  transition: transform 8s ease;
}
.hero:hover .hero__bg-img { transform: scale(1.0); }

.hero__layer {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: flex-end;
  min-height: 45vh;
  padding: 3rem 2rem 2.5rem;
  background: linear-gradient(to top, rgba(31,31,31,.82) 0%, rgba(31,31,31,.2) 60%, transparent 100%);
}
.hero__inner {
  max-width: 640px;
  transform: translateZ(0);
}
.hero__badges {
  display: flex;
  gap: .5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.hero .badge--outline {
  border-color: rgba(255,255,255,.6);
  color: rgba(255,255,255,.9);
}
.hero .badge--solid {
  background: var(--c-white);
  color: var(--c-charcoal);
}
.hero__h1 {
  font-family: var(--ff-display);
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--c-white);
  margin-bottom: .75rem;
  text-shadow: 0 2px 12px rgba(0,0,0,.4);
}
.hero__sub {
  font-size: 1rem;
  font-weight: 300;
  color: rgba(255,255,255,.8);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  max-width: 520px;
}
.hero__actions {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
}
.hero__actions .btn--ghost {
  color: var(--c-white);
  border-color: rgba(255,255,255,.6);
}
.hero__actions .btn--ghost:hover {
  background: rgba(255,255,255,.1);
}

/* ============================================================
   首页正文内容区
   ============================================================ */
.home-content {
  max-width: 860px;
  margin: 0 auto;
  padding: 3rem 1.5rem 1.5rem;
}
.home-content__prose {}

/* ============================================================
   首页导航卡片
   ============================================================ */
.home-nav-cards,
.home-cards {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}
.home-nav-cards__hd,
.home-cards__hd {
  margin-bottom: 1.5rem;
}
.home-nav-cards__title,
.home-cards__title {
  font-family: var(--ff-display);
  font-size: 1.5rem;
  font-weight: 700;
}

.nav-card-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}
.nav-card-list__item { position: relative; }

.nav-card {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  background: var(--c-white);
  position: relative;
  z-index: 1;
  transition: transform .2s, box-shadow .2s, border-color .2s;
  box-shadow: var(--shadow-sm);
}
.nav-card:hover {
  transform: translateY(-3px) translateZ(4px);
  box-shadow: var(--shadow-md);
  border-color: var(--c-charcoal);
  z-index: 2;
}
.nav-card__index {
  font-family: var(--ff-ui);
  font-size: .65rem;
  color: var(--c-muted);
  flex-shrink: 0;
  letter-spacing: .05em;
}
.nav-card__label {
  font-family: var(--ff-body);
  font-size: .95rem;
  font-weight: 400;
  line-height: 1.4;
}

/* ============================================================
   子页卡片列表
   ============================================================ */
.card-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}
.card-list__item { position: relative; }

.card {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  background: var(--c-white);
  position: relative;
  z-index: 1;
  transition: transform .2s, box-shadow .2s;
  box-shadow: var(--shadow-sm);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  z-index: 2;
}
.card__num {
  font-family: var(--ff-ui);
  font-size: .6rem;
  color: var(--c-muted);
  flex-shrink: 0;
  padding-top: .15rem;
}
.card__body {
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.card__title {
  font-family: var(--ff-body);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
}
.card__desc {
  font-size: .85rem;
  color: var(--c-muted);
  line-height: 1.5;
}

/* ============================================================
   Service 页
   ============================================================ */
.svc-hero {
  position: relative;
  min-height: 40vh;
  background: var(--c-charcoal);
  overflow: hidden;
  z-index: 1;
}
.svc-hero__media {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.svc-hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .25;
}
.svc-hero__layer {
  position: relative;
  z-index: 3;
  min-height: 40vh;
  display: flex;
  align-items: flex-end;
  padding: 2.5rem 2rem 2rem;
  background: linear-gradient(to top, rgba(31,31,31,.85) 0%, rgba(31,31,31,.15) 70%, transparent 100%);
}
.svc-hero__inner { max-width: 700px; }
.svc-hero__meta {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: .75rem;
}
.svc-hero__date,
.svc-hero__mod {
  font-size: .8rem;
  color: rgba(255,255,255,.6);
  font-style: italic;
}
.svc-hero__h1 {
  font-family: var(--ff-display);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.25;
  margin-bottom: .6rem;
}
.svc-hero__desc {
  font-size: .95rem;
  color: rgba(255,255,255,.75);
  font-weight: 300;
  max-width: 560px;
}

.svc-body {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 2.5rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  align-items: start;
}

.svc-related {
  position: sticky;
  top: 1.5rem;
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 1.25rem;
  background: var(--c-gray);
  box-shadow: var(--shadow-sm);
  z-index: 2;
}
.svc-related__title {
  font-family: var(--ff-ui);
  font-size: .65rem;
  letter-spacing: .12em;
  color: var(--c-muted);
  margin-bottom: .75rem;
}
.svc-related__list {}
.svc-related__item + .svc-related__item { margin-top: .5rem; }
.svc-related__link {
  display: flex;
  gap: .6rem;
  padding: .5rem .25rem;
  border-bottom: 1px solid var(--c-border);
  transition: opacity .15s;
}
.svc-related__link:hover { opacity: .7; }
.svc-related__num {
  font-family: var(--ff-ui);
  font-size: .6rem;
  color: var(--c-muted);
  flex-shrink: 0;
  padding-top: .1rem;
}
.svc-related__text {
  display: flex;
  flex-direction: column;
  gap: .2rem;
  font-size: .85rem;
  line-height: 1.4;
}
.svc-related__text small { color: var(--c-muted); font-size: .78rem; }

.svc-footer-nav {
  display: flex;
  gap: 1rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
  flex-wrap: wrap;
}

/* ============================================================
   About 页
   ============================================================ */
.about-hero {
  position: relative;
  min-height: 38vh;
  background: var(--c-gray);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 3rem 2rem 2rem;
  border-bottom: 1px solid var(--c-border);
}
.about-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.about-hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .15;
}
.about-hero__layer {
  position: relative;
  z-index: 1;
  max-width: 680px;
}
.about-hero__h1 {
  font-family: var(--ff-display);
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  font-weight: 700;
  margin: .6rem 0;
  line-height: 1.2;
}
.about-hero__sub {
  font-size: 1rem;
  color: var(--c-muted);
  font-weight: 300;
}

.about-body {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 2.5rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  align-items: start;
}

.about-aside-block {
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  background: var(--c-gray);
  box-shadow: var(--shadow-sm);
}
.about-aside-block__title {
  font-family: var(--ff-ui);
  font-size: .65rem;
  letter-spacing: .12em;
  color: var(--c-muted);
  margin-bottom: .75rem;
}

.about-dl dt {
  font-size: .78rem;
  font-weight: 600;
  color: var(--c-muted);
  letter-spacing: .06em;
  margin-top: .5rem;
}
.about-dl dd { font-size: .88rem; }

.about-nav-list li + li { margin-top: .35rem; }
.about-nav-list__link {
  display: flex;
  gap: .6rem;
  align-items: baseline;
  font-size: .9rem;
  padding: .3rem 0;
  border-bottom: 1px solid var(--c-border);
  transition: color .15s;
}
.about-nav-list__link:hover { color: var(--c-muted); }
.about-nav-list__num {
  font-family: var(--ff-ui);
  font-size: .6rem;
  color: var(--c-muted);
  flex-shrink: 0;
}

.pg-about__footer-links {
  display: flex;
  gap: 1rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
  flex-wrap: wrap;
}

/* ============================================================
   FAQ 页
   ============================================================ */
.faq-hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  min-height: 36vh;
  background: var(--c-charcoal);
  padding: 2.5rem 2rem 2rem;
  position: relative;
  overflow: hidden;
}
.faq-hero__inner { max-width: 600px; z-index: 2; position: relative; }
.faq-hero__h1 {
  font-family: var(--ff-display);
  font-size: clamp(1.5rem, 4vw, 2.6rem);
  font-weight: 700;
  color: var(--c-white);
  margin: .6rem 0;
  line-height: 1.25;
}
.faq-hero__sub {
  font-size: .95rem;
  color: rgba(255,255,255,.7);
  font-weight: 300;
}
.faq-hero .badge--outline {
  border-color: rgba(255,255,255,.5);
  color: rgba(255,255,255,.85);
}
.faq-hero__deco {
  position: absolute;
  right: 2rem;
  bottom: 1.5rem;
  z-index: 1;
  opacity: .05;
}
.faq-hero__deco-num {
  font-family: var(--ff-ui);
  font-size: 7rem;
  font-weight: 600;
  color: var(--c-white);
  letter-spacing: -.02em;
  line-height: 1;
}

.faq-body {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 2.5rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  align-items: start;
}

.faq-aside-block {
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 1.25rem;
  background: var(--c-gray);
  position: sticky;
  top: 1.5rem;
  box-shadow: var(--shadow-sm);
}
.faq-aside-block__title {
  font-family: var(--ff-ui);
  font-size: .65rem;
  letter-spacing: .12em;
  color: var(--c-muted);
  margin-bottom: .75rem;
}
.faq-nav-list li + li { margin-top: .35rem; }
.faq-nav-list__link {
  display: block;
  font-size: .9rem;
  padding: .4rem .5rem;
  border-bottom: 1px solid var(--c-border);
  transition: color .15s;
}
.faq-nav-list__link:hover { color: var(--c-muted); }

.pg-faq__footer-links {
  display: flex;
  gap: 1rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}

/* ============================================================
   Privacy 页
   ============================================================ */
.privacy-hero {
  background: var(--c-gray);
  border-bottom: 1px solid var(--c-border);
  padding: 3rem 2rem 2rem;
  min-height: 28vh;
  display: flex;
  align-items: flex-end;
}
.privacy-hero__inner { max-width: 640px; }
.privacy-hero__h1 {
  font-family: var(--ff-display);
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  font-weight: 700;
  margin: .6rem 0;
  line-height: 1.25;
}
.privacy-hero__date {
  font-size: .82rem;
  color: var(--c-muted);
  font-style: italic;
  display: block;
  margin-bottom: .5rem;
}
.privacy-hero__sub {
  font-size: .95rem;
  color: var(--c-muted);
  font-weight: 300;
}

.privacy-body {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 2.5rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
  align-items: start;
}
.privacy-aside-block {
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 1.25rem;
  background: var(--c-gray);
  position: sticky;
  top: 1.5rem;
  box-shadow: var(--shadow-sm);
}
.privacy-aside-block__title {
  font-family: var(--ff-ui);
  font-size: .65rem;
  letter-spacing: .12em;
  color: var(--c-muted);
  margin-bottom: .75rem;
}
.privacy-nav-list li + li { margin-top: .35rem; }
.privacy-nav-list__link {
  display: block;
  font-size: .9rem;
  padding: .4rem .5rem;
  border-bottom: 1px solid var(--c-border);
  transition: color .15s;
}
.privacy-nav-list__link:hover { color: var(--c-muted); }

/* ============================================================
   Contact 页
   ============================================================ */
.contact-hero {
  background: var(--c-charcoal);
  min-height: 32vh;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 2.5rem 2rem 2rem;
  position: relative;
  overflow: hidden;
}
.contact-hero__inner { position: relative; z-index: 2; max-width: 560px; }
.contact-hero__h1 {
  font-family: var(--ff-display);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--c-white);
  margin: .6rem 0;
  line-height: 1.25;
}
.contact-hero__sub {
  font-size: .95rem;
  color: rgba(255,255,255,.7);
  font-weight: 300;
}
.contact-hero .badge--outline {
  border-color: rgba(255,255,255,.5);
  color: rgba(255,255,255,.85);
}
.contact-hero__deco {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 220px;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 12px,
    rgba(255,255,255,.03) 12px,
    rgba(255,255,255,.03) 24px
  );
  z-index: 1;
}

.contact-body {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 2.5rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
  align-items: start;
}

.contact-aside-block {
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 1.25rem;
  background: var(--c-gray);
  position: sticky;
  top: 1.5rem;
  box-shadow: var(--shadow-sm);
}
.contact-aside-block__title {
  font-family: var(--ff-ui);
  font-size: .65rem;
  letter-spacing: .12em;
  color: var(--c-muted);
  margin-bottom: .75rem;
}
.contact-nav-list li + li { margin-top: .35rem; }
.contact-nav-list__link {
  display: block;
  font-size: .9rem;
  padding: .4rem .5rem;
  border-bottom: 1px solid var(--c-border);
  transition: color .15s;
}
.contact-nav-list__link:hover { color: var(--c-muted); }

/* 表单 */
.contact-form-wrap {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--c-border);
}
.contact-form-wrap__title {
  font-family: var(--ff-ui);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--c-muted);
  margin-bottom: 1.25rem;
}
.contact-form { display: flex; flex-direction: column; gap: 1rem; max-width: 520px; }
.contact-form__row { display: flex; flex-direction: column; gap: .35rem; }
.contact-form__label { font-size: .82rem; font-weight: 600; letter-spacing: .04em; }
.contact-form__input,
.contact-form__select,
.contact-form__textarea {
  width: 100%;
  padding: .6rem .85rem;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  background: var(--c-white);
  font-size: .95rem;
  color: var(--c-charcoal);
  transition: border-color .18s, box-shadow .18s;
}
.contact-form__input:focus,
.contact-form__select:focus,
.contact-form__textarea:focus {
  outline: none;
  border-color: var(--c-charcoal);
  box-shadow: 0 0 0 3px rgba(31,31,31,.1);
}
.contact-form__textarea { resize: vertical; }
.contact-form__btn { align-self: flex-start; margin-top: .5rem; }

/* ============================================================
   Default 页（兜底）
   ============================================================ */
.pg-default {
  max-width: 840px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.pg-default__hd {
  padding: 3rem 0 1.5rem;
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 2rem;
}
.pg-default__h1 {
  font-family: var(--ff-display);
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: .5rem;
}
.pg-default__date {
  font-size: .82rem;
  color: var(--c-muted);
  font-style: italic;
}
.pg-default__body { padding-bottom: 4rem; }

/* ============================================================
   正文排版
   ============================================================ */
.prose {
  font-family: var(--ff-body);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--c-charcoal);
  max-width: 72ch;
}
.prose h2 {
  font-family: var(--ff-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin: 2.2rem 0 .8rem;
  line-height: 1.3;
  padding-bottom: .3rem;
  border-bottom: 1px solid var(--c-border);
}
.prose h3 {
  font-family: var(--ff-display);
  font-size: 1.15rem;
  font-weight: 500;
  margin: 1.8rem 0 .6rem;
  line-height: 1.35;
}
.prose h4 {
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: .04em;
  margin: 1.4rem 0 .4rem;
}
.prose p { margin: 0 0 1.1rem; }
.prose ul, .prose ol {
  margin: .8rem 0 1.1rem 1.5rem;
}
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin-bottom: .4rem; }
.prose a {
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity .15s;
}
.prose a:hover { opacity: .7; }
.prose strong { font-weight: 600; }
.prose em { font-style: italic; }
.prose blockquote {
  border-left: 3px solid var(--c-charcoal);
  padding: .75rem 1.25rem;
  margin: 1.5rem 0;
  background: var(--c-gray);
  font-style: italic;
  color: var(--c-muted);
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: .9rem;
}
.prose th, .prose td {
  padding: .6rem .85rem;
  border: 1px solid var(--c-border);
  text-align: left;
}
.prose th {
  background: var(--c-gray);
  font-weight: 600;
  letter-spacing: .04em;
}
.prose code {
  font-family: 'Courier New', monospace;
  font-size: .85em;
  background: var(--c-gray);
  padding: .1em .35em;
  border-radius: 2px;
}
.prose pre {
  background: var(--c-charcoal);
  color: var(--c-gray);
  padding: 1.25rem;
  border-radius: var(--r-sm);
  overflow-x: auto;
  margin: 1.5rem 0;
}
.prose pre code { background: none; padding: 0; color: inherit; }
.prose img {
  max-width: 100%;
  border-radius: var(--r-sm);
  margin: 1.5rem 0;
  box-shadow: var(--shadow-md);
}
.prose time {
  font-size: .82rem;
  color: var(--c-muted);
  font-style: italic;
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
  background: var(--c-charcoal);
  color: var(--c-white);
  margin-bottom: var(--nav-h);
}
.footer__top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 1.5rem 2rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer__brand {
  font-family: var(--ff-ui);
  font-size: .75rem;
  letter-spacing: .12em;
  margin-bottom: .75rem;
  color: var(--c-white);
}
.footer__desc {
  font-size: .88rem;
  color: rgba(255,255,255,.55);
  line-height: 1.65;
  max-width: 320px;
}
.footer__col-title {
  font-family: var(--ff-ui);
  font-size: .62rem;
  letter-spacing: .14em;
  color: rgba(255,255,255,.4);
  margin-bottom: .75rem;
}
.footer__link {
  display: block;
  font-size: .88rem;
  color: rgba(255,255,255,.65);
  padding: .25rem 0;
  border-bottom: 1px solid rgba(255,255,255,.07);
  transition: color .15s;
}
.footer__link:hover { color: var(--c-white); }

.footer__contact-block {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.footer__contact-title {
  font-family: var(--ff-ui);
  font-size: .62rem;
  letter-spacing: .14em;
  color: rgba(255,255,255,.4);
  margin-bottom: .5rem;
}
.footer__contact-text {
  font-size: .88rem;
  color: rgba(255,255,255,.55);
}
.footer__contact-text .footer__link {
  display: inline;
  border: none;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer__bottom {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
  text-align: center;
}
.footer__copy {
  font-size: .8rem;
  color: rgba(255,255,255,.35);
}
.footer__copy .footer__link {
  display: inline;
  border: none;
  color: rgba(255,255,255,.5);
}

/* ============================================================
   移动端断点
   ============================================================ */
@media (max-width: 768px) {
  :root { --nav-h: 56px; }

  .nav__link { font-size: .7rem; padding: .5rem .3rem; }
  .nav__brand { font-size: .62rem; padding: .4rem .5rem; }
  .nav__cta { font-size: .62rem; padding: .4rem .65rem; margin-left: .25rem; }

  .hero__layer { padding: 2rem 1.25rem 1.75rem; min-height: 45vh; }
  .hero__h1 { font-size: 1.6rem; }

  .svc-body { grid-template-columns: 1fr; }
  .svc-related { position: static; }

  .about-body { grid-template-columns: 1fr; }
  .faq-body { grid-template-columns: 1fr; }
  .faq-aside-block { position: static; }
  .privacy-body { grid-template-columns: 1fr; }
  .privacy-aside-block { position: static; }
  .contact-body { grid-template-columns: 1fr; }
  .contact-aside-block { position: static; }

  .footer__top { grid-template-columns: 1fr; gap: 1.5rem; }

  .nav-card-list { grid-template-columns: 1fr 1fr; }
  .card-list { grid-template-columns: 1fr; }

  .faq-hero { flex-direction: column; align-items: flex-start; gap: 0; }
  .contact-hero { flex-direction: column; }
}

@media (max-width: 480px) {
  .nav__link { display: none; }
  .nav__side--left .nav__link:first-child,
  .nav__side--right .nav__link:last-child { display: flex; }

  .nav-card-list { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; gap: .5rem; }
  .hero__actions .btn { width: 100%; justify-content: center; }
}

/* ============================================================
   Stagger 动效（prefers-reduced-motion 外）
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
  .nav-card-list__item,
  .card-list__item {
    animation: fadeUp .4s both;
  }
  .nav-card-list__item:nth-child(1) { animation-delay: .05s; }
  .nav-card-list__item:nth-child(2) { animation-delay: .10s; }
  .nav-card-list__item:nth-child(3) { animation-delay: .15s; }
  .nav-card-list__item:nth-child(4) { animation-delay: .20s; }
  .nav-card-list__item:nth-child(5) { animation-delay: .25s; }
  .nav-card-list__item:nth-child(6) { animation-delay: .30s; }
  .card-list__item:nth-child(1) { animation-delay: .08s; }
  .card-list__item:nth-child(2) { animation-delay: .16s; }
  .card-list__item:nth-child(3) { animation-delay: .24s; }

  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
  }
}