/* ==========================================================================
   长沙品茶工作室 · 设计工作室官网
   设计系统：Apollo「温暖专业避风港」
   ========================================================================== */

:root {
  /* 颜色 */
  --color-earth-umber: #3c261c;
  --color-terracotta-flame: #e97451;
  --color-deep-violet: #4a43dd;
  --color-pale-ochre: #f7efc5;
  --color-platinum-frost: #dddedf;
  --color-jet-black: #000000;
  --color-warm-linen: #f9f8f0;
  --color-peach-cream: #fcede8;

  /* 排版 — 字体族 */
  --font-monasans: 'MonaSans', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Roboto, sans-serif;
  --font-paradigm-pro: 'paradigm-pro', "Songti SC", "Source Han Serif SC", Georgia, "Times New Roman", serif;

  /* 排版 — 比例 */
  --text-caption: 12px;
  --leading-caption: 1.5;
  --tracking-caption: 0.36px;
  --text-body-sm: 14px;
  --leading-body-sm: 1.5;
  --tracking-body-sm: 0.42px;
  --text-body: 18px;
  --leading-body: 1.49;
  --tracking-body: 0.54px;
  --text-subheading: 20px;
  --leading-subheading: 1.42;
  --tracking-subheading: 0.6px;
  --text-heading-sm: 32px;
  --leading-heading-sm: 1.35;
  --tracking-heading-sm: 0.96px;
  --text-heading: 36px;
  --leading-heading: 1.17;
  --tracking-heading: 1.08px;
  --text-display: 47px;
  --leading-display: 0.97;
  --tracking-display: 3.76px;

  /* 字重 */
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* 间距 */
  --spacing-10: 10px;
  --spacing-14: 14px;
  --spacing-17: 17px;
  --spacing-18: 18px;
  --spacing-20: 20px;
  --spacing-23: 23px;
  --spacing-30: 30px;
  --spacing-34: 34px;
  --spacing-40: 40px;
  --spacing-45: 45px;
  --spacing-60: 60px;
  --spacing-68: 68px;
  --spacing-90: 90px;

  /* 布局 */
  --section-gap: 68px;
  --card-padding: 45px;
  --element-gap: 20px;

  /* 圆角 */
  --radius-sm: 3px;
  --radius-cards: 3px;
  --radius-images: 3px;
  --radius-buttons: 3px;
  --radius-navitems: 3px;

  /* 表面 */
  --surface-warm-linen-canvas: #f9f8f0;
  --surface-earth-umber-panel: #3c261c;

  /* 其他 */
  --shadow-card: 0 1px 2px rgba(60, 38, 28, 0.04);
  --shadow-card-hover: 0 2px 8px rgba(60, 38, 28, 0.08);
  --container: 1200px;
}

/* --------------------------------------------------------------- 基础重置 */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background-color: var(--color-warm-linen);
  color: var(--color-earth-umber);
  font-family: var(--font-monasans);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  letter-spacing: var(--tracking-body);
  font-weight: var(--font-weight-regular);
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

a { color: var(--color-earth-umber); text-decoration: none; }

a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  margin: 0;
  font-weight: var(--font-weight-semibold);
  color: var(--color-earth-umber);
}

p { margin: 0 0 var(--spacing-20); }

ul, ol { margin: 0 0 var(--spacing-20); padding-left: 1.15em; }

li { margin-bottom: var(--spacing-10); }

hr { border: 0; border-top: 1px solid var(--color-platinum-frost); margin: var(--spacing-45) 0; }

:focus-visible { outline: 2px solid var(--color-terracotta-flame); outline-offset: 2px; }

/* ------------------------------------------------------------------ 布局 */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--spacing-34);
}

.section { padding: var(--section-gap) 0; }

.section--tight { padding: var(--spacing-45) 0; }

.section--panel {
  background-color: var(--surface-earth-umber-panel);
  color: var(--color-warm-linen);
}

.section--panel h1,
.section--panel h2,
.section--panel h3 { color: var(--color-warm-linen); }

.section--linen-deep { background-color: var(--color-peach-cream); }

.section-head { max-width: 720px; margin-bottom: var(--spacing-45); }

.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }

.eyebrow {
  display: inline-block;
  font-size: var(--text-caption);
  letter-spacing: 1.08px;
  text-transform: uppercase;
  color: var(--color-terracotta-flame);
  margin-bottom: var(--spacing-14);
  font-weight: var(--font-weight-medium);
}

.section--panel .eyebrow { color: var(--color-pale-ochre); }

.display {
  font-family: var(--font-paradigm-pro);
  font-weight: var(--font-weight-light);
  font-size: var(--text-display);
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-display);
}

h1.heading,
.heading {
  font-size: var(--text-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  font-weight: var(--font-weight-semibold);
}

h2.heading-sm,
.heading-sm {
  font-size: var(--text-heading-sm);
  line-height: var(--leading-heading-sm);
  letter-spacing: var(--tracking-heading-sm);
}

h3.subheading,
.subheading {
  font-size: var(--text-subheading);
  line-height: var(--leading-subheading);
  letter-spacing: var(--tracking-subheading);
  font-weight: var(--font-weight-semibold);
}

.lead {
  font-size: var(--text-subheading);
  line-height: var(--leading-subheading);
  letter-spacing: var(--tracking-subheading);
  font-weight: var(--font-weight-light);
  opacity: 0.92;
}

.muted { color: rgba(60, 38, 28, 0.66); }

.section--panel .muted { color: rgba(249, 248, 240, 0.72); }

.text-center { text-align: center; }

.violet { color: var(--color-deep-violet); }

.grid { display: grid; gap: var(--spacing-30); }

.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--spacing-60);
  align-items: center;
}

.divider { border-top: 1px solid var(--color-platinum-frost); }

/* ------------------------------------------------------------------ 按钮 */
.btn {
  display: inline-block;
  font-family: var(--font-monasans);
  font-size: var(--text-body-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-body-sm);
  line-height: 1.2;
  padding: 22.5px 45px;
  border-radius: var(--radius-buttons);
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: opacity 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.btn:hover { text-decoration: none; }

.btn--primary {
  background-color: var(--color-terracotta-flame);
  color: var(--color-peach-cream);
  border-color: var(--color-terracotta-flame);
}

.btn--primary:hover { opacity: 0.9; }

.btn--outline {
  background-color: transparent;
  color: var(--color-earth-umber);
  border-color: var(--color-earth-umber);
}

.btn--outline:hover { background-color: rgba(60, 38, 28, 0.06); }

.btn--ghost-light {
  background-color: transparent;
  color: var(--color-warm-linen);
  border-color: rgba(249, 248, 240, 0.5);
}

.btn--ghost-light:hover { border-color: var(--color-warm-linen); }

.btn--sm { padding: 14px 30px; font-size: var(--text-body-sm); }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-20);
  align-items: center;
}

.link-inline {
  color: var(--color-earth-umber);
  font-weight: var(--font-weight-regular);
  border-bottom: 1px solid var(--color-terracotta-flame);
}

.link-inline:hover { text-decoration: none; }

.link-violet { color: var(--color-deep-violet); border-bottom: 1px solid var(--color-deep-violet); }

.link-ochre { color: var(--color-pale-ochre); border-bottom: 1px solid var(--color-pale-ochre); }

/* ------------------------------------------------------------------ 导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background-color: rgba(249, 248, 240, 0.96);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--color-platinum-frost);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-30);
  min-height: 84px;
}

.brand { display: flex; align-items: center; gap: var(--spacing-14); }

.brand:hover { text-decoration: none; }

.brand__mark { width: 42px; height: 42px; border-radius: var(--radius-images); }

.brand__text { display: flex; flex-direction: column; line-height: 1.25; }

.brand__name {
  font-size: var(--text-body-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-body-sm);
}

.brand__sub {
  font-size: var(--text-caption);
  letter-spacing: var(--tracking-caption);
  color: rgba(60, 38, 28, 0.62);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--spacing-10);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__links li { margin: 0; }

.nav__link {
  display: block;
  padding: 17px 34px;
  border-radius: var(--radius-navitems);
  border: 1px solid transparent;
  font-size: var(--text-body-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-body-sm);
}

.nav__link:hover,
.nav__link.is-active {
  border-color: var(--color-earth-umber);
  text-decoration: none;
}

.nav__actions { display: flex; align-items: center; gap: var(--spacing-14); }

.nav__toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--color-platinum-frost);
  border-radius: var(--radius-buttons);
  background: transparent;
  cursor: pointer;
}

.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  display: block;
  height: 1px;
  width: 20px;
  margin: 0 auto;
  background: var(--color-earth-umber);
  position: relative;
}

.nav__toggle span::before,
.nav__toggle span::after { content: ''; position: absolute; left: 0; }

.nav__toggle span::before { top: -6px; }

.nav__toggle span::after { top: 6px; }

/* ---------------------------------------------------------------- Hero 区 */
.hero {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: center;
  color: var(--color-warm-linen);
  background-color: var(--color-earth-umber);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(60, 38, 28, 0.78) 0%, rgba(60, 38, 28, 0.86) 55%, rgba(60, 38, 28, 0.94) 100%);
}

.hero__inner {
  position: relative;
  z-index: 2;
  padding: var(--spacing-90) 0;
  max-width: 860px;
}

.hero h1 { color: var(--color-warm-linen); margin-bottom: var(--spacing-30); }

.hero__sub { max-width: 620px; margin-bottom: var(--spacing-40); }

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-30);
  margin-top: var(--spacing-60);
  padding-top: var(--spacing-30);
  border-top: 1px solid rgba(249, 248, 240, 0.24);
  font-size: var(--text-body-sm);
  color: rgba(249, 248, 240, 0.78);
}

.hero__meta strong {
  display: block;
  font-family: var(--font-paradigm-pro);
  font-size: var(--text-heading-sm);
  font-weight: var(--font-weight-light);
  letter-spacing: 1.08px;
  color: var(--color-warm-linen);
}

/* 页面级 Banner（内页） */
.page-hero {
  background-color: var(--color-earth-umber);
  color: var(--color-warm-linen);
  padding: var(--spacing-60) 0;
}

.page-hero h1 { color: var(--color-warm-linen); }

.page-hero .lead { color: rgba(249, 248, 240, 0.82); }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-10);
  align-items: center;
  list-style: none;
  margin: 0 0 var(--spacing-23);
  padding: 0;
  font-size: var(--text-caption);
  letter-spacing: var(--tracking-caption);
  color: rgba(249, 248, 240, 0.7);
}

.breadcrumb li { margin: 0; }

.breadcrumb a { color: rgba(249, 248, 240, 0.7); }

.breadcrumb a:hover { color: var(--color-pale-ochre); }

.breadcrumb li + li::before { content: '/'; margin-right: var(--spacing-10); color: rgba(249, 248, 240, 0.45); }

/* ------------------------------------------------------------------ 卡片 */
.card {
  background-color: var(--color-warm-linen);
  border: 1px solid var(--color-platinum-frost);
  border-radius: var(--radius-cards);
  padding: var(--card-padding);
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.card:hover { box-shadow: var(--shadow-card-hover); }

.card--pad-sm { padding: var(--spacing-30); }

.card--flat { box-shadow: none; }

.card__icon { width: 34px; height: 34px; margin-bottom: var(--spacing-23); }

.card__title { margin-bottom: var(--spacing-14); }

.work-card,
.post-card,
.service-card,
.team-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-platinum-frost);
  border-radius: var(--radius-cards);
  background-color: var(--color-warm-linen);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.work-card:hover,
.post-card:hover,
.service-card:hover,
.team-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
  text-decoration: none;
}

.work-card__media,
.post-card__media,
.team-card__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: var(--color-peach-cream);
  border-bottom: 1px solid var(--color-platinum-frost);
}

.team-card__media { aspect-ratio: 1 / 1; }

.work-card__media img,
.post-card__media img,
.team-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.work-card:hover .work-card__media img,
.post-card:hover .post-card__media img,
.team-card:hover .team-card__media img { transform: scale(1.03); }

.work-card__body,
.post-card__body,
.team-card__body {
  padding: var(--spacing-30);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-14);
  flex: 1;
}

.work-card__body h3,
.post-card__body h3,
.team-card__body h3 { margin: 0; }

.work-card__body p,
.post-card__body p,
.team-card__body p { margin: 0; font-size: var(--text-body-sm); line-height: var(--leading-body-sm); }

.tag {
  display: inline-block;
  font-size: var(--text-caption);
  letter-spacing: var(--tracking-caption);
  padding: 4px 10px;
  border: 1px solid var(--color-platinum-frost);
  border-radius: var(--radius-sm);
  color: rgba(60, 38, 28, 0.72);
  background-color: var(--color-warm-linen);
}

.tag--accent { border-color: var(--color-terracotta-flame); color: var(--color-terracotta-flame); }

.tag--violet { border-color: var(--color-deep-violet); color: var(--color-deep-violet); }

.tag-row { display: flex; flex-wrap: wrap; gap: var(--spacing-10); }

.card-more {
  margin-top: auto;
  font-size: var(--text-body-sm);
  color: var(--color-earth-umber);
  border-bottom: 1px solid var(--color-terracotta-flame);
  align-self: flex-start;
}

.card:hover .card-more { text-decoration: none; }

/* ------------------------------------------------------------ 作品筛选栏 */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-10);
  align-items: center;
  padding: var(--spacing-23) 0;
  border-top: 1px solid var(--color-platinum-frost);
  border-bottom: 1px solid var(--color-platinum-frost);
  margin-bottom: var(--spacing-45);
}

.filter-btn {
  font-family: var(--font-monasans);
  font-size: var(--text-body-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-body-sm);
  padding: 10px 20px;
  border-radius: var(--radius-navitems);
  border: 1px solid transparent;
  background: transparent;
  color: var(--color-earth-umber);
  cursor: pointer;
}

.filter-btn:hover { border-color: var(--color-earth-umber); }

.filter-btn.is-active {
  background-color: var(--color-earth-umber);
  border-color: var(--color-earth-umber);
  color: var(--color-warm-linen);
}

.filter-count {
  margin-left: auto;
  font-size: var(--text-caption);
  letter-spacing: var(--tracking-caption);
  color: rgba(60, 38, 28, 0.62);
}

/* -------------------------------------------------------------- 详情页 */
.detail-hero { padding: var(--spacing-60) 0 var(--spacing-45); }

.detail-hero__head { max-width: 820px; }

.detail-cover {
  border-radius: var(--radius-images);
  border: 1px solid var(--color-platinum-frost);
  overflow: hidden;
  margin-top: var(--spacing-40);
  aspect-ratio: 16 / 9;
  background-color: var(--color-peach-cream);
}

.detail-cover img { width: 100%; height: 100%; object-fit: cover; }

.facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--spacing-30);
  padding: var(--spacing-34) 0;
  border-top: 1px solid var(--color-platinum-frost);
  border-bottom: 1px solid var(--color-platinum-frost);
  margin: var(--spacing-45) 0;
}

.facts dt {
  font-size: var(--text-caption);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: rgba(60, 38, 28, 0.6);
  margin-bottom: var(--spacing-10);
}

.facts dd { margin: 0; font-size: var(--text-body-sm); line-height: var(--leading-body-sm); }

.prose { max-width: 760px; }

.prose h2 { margin: var(--spacing-45) 0 var(--spacing-20); }

.prose h3 { margin: var(--spacing-34) 0 var(--spacing-14); }

.prose p { margin-bottom: var(--spacing-23); }

.prose ol,
.prose ul { padding-left: 1.2em; }

.prose blockquote {
  margin: var(--spacing-40) 0;
  padding: var(--spacing-30) var(--spacing-34);
  border-left: 2px solid var(--color-terracotta-flame);
  background-color: var(--color-peach-cream);
  border-radius: var(--radius-sm);
  font-family: var(--font-paradigm-pro);
  font-size: var(--text-subheading);
  line-height: 1.6;
  letter-spacing: 0.6px;
}

.prose figure { margin: var(--spacing-40) 0; }

.prose figure img {
  border-radius: var(--radius-images);
  border: 1px solid var(--color-platinum-frost);
}

.prose figcaption {
  margin-top: var(--spacing-14);
  font-size: var(--text-caption);
  letter-spacing: var(--tracking-caption);
  color: rgba(60, 38, 28, 0.6);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--spacing-20);
  margin: var(--spacing-40) 0;
}

.gallery img {
  border-radius: var(--radius-images);
  border: 1px solid var(--color-platinum-frost);
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
}

.pager {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--spacing-20);
  padding-top: var(--spacing-34);
  border-top: 1px solid var(--color-platinum-frost);
  margin-top: var(--spacing-60);
  font-size: var(--text-body-sm);
}

.pager a { display: block; }

.pager span { display: block; font-size: var(--text-caption); color: rgba(60, 38, 28, 0.6); letter-spacing: var(--tracking-caption); }

.aside-card {
  border: 1px solid var(--color-platinum-frost);
  border-radius: var(--radius-cards);
  padding: var(--spacing-34);
  background-color: var(--color-warm-linen);
}

.sidebar-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: var(--spacing-60);
  align-items: start;
}

.sticky-side { position: sticky; top: 108px; }

/* ------------------------------------------------------------ 列表 / 表格 */
.plain-list { list-style: none; padding: 0; }

.plain-list li {
  padding: var(--spacing-18) 0;
  border-bottom: 1px solid var(--color-platinum-frost);
  margin: 0;
  display: flex;
  gap: var(--spacing-20);
  justify-content: space-between;
}

.timeline { list-style: none; padding: 0; margin: 0; }

.timeline li {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: var(--spacing-30);
  padding: var(--spacing-23) 0;
  border-bottom: 1px solid var(--color-platinum-frost);
  margin: 0;
}

.timeline__year {
  font-family: var(--font-paradigm-pro);
  font-size: var(--text-subheading);
  letter-spacing: 0.6px;
  color: var(--color-terracotta-flame);
}

.values { list-style: none; padding: 0; display: grid; gap: var(--spacing-20); }

.values li {
  margin: 0;
  padding-left: var(--spacing-30);
  position: relative;
}

.values li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 10px;
  height: 1px;
  background-color: var(--color-terracotta-flame);
}

/* ------------------------------------------------------------------ 表单 */
.form-card {
  border: 1px solid var(--color-platinum-frost);
  border-radius: var(--radius-cards);
  background-color: var(--color-warm-linen);
  padding: var(--card-padding);
  box-shadow: var(--shadow-card);
}

.form-row { display: grid; gap: var(--spacing-20); }

.form-row--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.field { display: flex; flex-direction: column; gap: var(--spacing-10); margin-bottom: var(--spacing-23); }

.field label {
  font-size: var(--text-body-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-body-sm);
}

.field .hint { font-size: var(--text-caption); color: rgba(60, 38, 28, 0.6); letter-spacing: var(--tracking-caption); }

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
input[type="number"],
select,
textarea {
  width: 100%;
  font-family: var(--font-monasans);
  font-size: var(--text-body-sm);
  letter-spacing: var(--tracking-body-sm);
  color: var(--color-earth-umber);
  background-color: var(--color-warm-linen);
  border: 1px solid var(--color-platinum-frost);
  border-radius: var(--radius-sm);
  padding: 14px 17px;
}

textarea { min-height: 156px; resize: vertical; }

input:focus,
select:focus,
textarea:focus { border-color: var(--color-earth-umber); outline: none; }

.checkbox-row {
  display: flex;
  gap: var(--spacing-10);
  align-items: flex-start;
  font-size: var(--text-body-sm);
  line-height: var(--leading-body-sm);
}

.checkbox-row input { margin-top: 4px; }

.form-note {
  font-size: var(--text-caption);
  letter-spacing: var(--tracking-caption);
  color: rgba(60, 38, 28, 0.6);
  margin-top: var(--spacing-14);
}

.form-status {
  display: none;
  margin-top: var(--spacing-23);
  padding: var(--spacing-18) var(--spacing-20);
  border: 1px solid var(--color-terracotta-flame);
  border-left-width: 2px;
  border-radius: var(--radius-sm);
  background-color: var(--color-peach-cream);
  font-size: var(--text-body-sm);
  line-height: var(--leading-body-sm);
}

.form-status.is-visible { display: block; }

.field-error { font-size: var(--text-caption); color: var(--color-terracotta-flame); letter-spacing: var(--tracking-caption); }

/* ------------------------------------------------------------------ 页脚 */
.site-footer {
  background-color: var(--color-earth-umber);
  color: rgba(249, 248, 240, 0.78);
  padding: var(--spacing-68) 0 var(--spacing-34);
  margin-top: var(--spacing-68);
  font-size: var(--text-body-sm);
  line-height: var(--leading-body-sm);
}

.site-footer h3 {
  color: var(--color-warm-linen);
  font-size: var(--text-body-sm);
  letter-spacing: 1.08px;
  text-transform: uppercase;
  margin-bottom: var(--spacing-20);
  font-weight: var(--font-weight-medium);
}

.site-footer a { color: rgba(249, 248, 240, 0.78); }

.site-footer a:hover { color: var(--color-pale-ochre); }

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: var(--spacing-45);
}

.footer-list { list-style: none; padding: 0; margin: 0; }

.footer-list li { margin-bottom: var(--spacing-10); }

.footer-brand { display: flex; gap: var(--spacing-14); align-items: center; margin-bottom: var(--spacing-20); }

.footer-brand img { width: 42px; height: 42px; }

.footer-brand strong { color: var(--color-warm-linen); font-size: var(--text-body-sm); }

.social-row { display: flex; gap: var(--spacing-10); margin-top: var(--spacing-20); }

.social-row a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(249, 248, 240, 0.28);
  border-radius: var(--radius-sm);
}

.social-row a:hover { border-color: var(--color-pale-ochre); }

.social-row svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.4; }

.footer-bottom {
  margin-top: var(--spacing-45);
  padding-top: var(--spacing-23);
  border-top: 1px solid rgba(249, 248, 240, 0.18);
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-20);
  justify-content: space-between;
  font-size: var(--text-caption);
  letter-spacing: var(--tracking-caption);
  color: rgba(249, 248, 240, 0.6);
}

.footer-bottom a { color: rgba(249, 248, 240, 0.6); }

/* -------------------------------------------------------------- CTA 区块 */
.cta-panel {
  background-color: var(--color-earth-umber);
  color: var(--color-warm-linen);
  border-radius: var(--radius-cards);
  padding: var(--spacing-60) var(--spacing-45);
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: var(--spacing-45);
  align-items: center;
}

.cta-panel h2 { color: var(--color-warm-linen); }

/* ------------------------------------------------------------------ 其他 */
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--spacing-30);
}

.stat strong {
  display: block;
  font-family: var(--font-paradigm-pro);
  font-size: var(--text-heading);
  font-weight: var(--font-weight-light);
  letter-spacing: 1.08px;
  color: var(--color-terracotta-flame);
}

.stat span { font-size: var(--text-body-sm); color: rgba(60, 38, 28, 0.66); }

.map-frame {
  border: 1px solid var(--color-platinum-frost);
  border-radius: var(--radius-images);
  overflow: hidden;
  background-color: var(--color-peach-cream);
}

.map-frame img { width: 100%; height: auto; }

.info-list { list-style: none; padding: 0; margin: 0; }

.info-list li {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: var(--spacing-20);
  padding: var(--spacing-18) 0;
  border-bottom: 1px solid var(--color-platinum-frost);
  margin: 0;
  font-size: var(--text-body-sm);
}

.info-list dt,
.info-list .k { color: rgba(60, 38, 28, 0.6); font-size: var(--text-caption); letter-spacing: var(--tracking-caption); text-transform: uppercase; }

.tag-cloud { display: flex; flex-wrap: wrap; gap: var(--spacing-10); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-earth-umber);
  color: var(--color-warm-linen);
  padding: 12px 20px;
  z-index: 100;
}

.skip-link:focus { left: 12px; top: 12px; }

/* ------------------------------------------------------------ 动画/交互 */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* -------------------------------------------------------------- 响应式 */
@media (max-width: 1080px) {
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sidebar-layout { grid-template-columns: minmax(0, 1fr); }
  .sticky-side { position: static; }
}

@media (max-width: 980px) {
  .nav__toggle { display: block; }

  .nav__links {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background-color: var(--color-warm-linen);
    border-bottom: 1px solid var(--color-platinum-frost);
    padding: var(--spacing-14);
  }

  .nav__links.is-open { display: flex; }

  .nav__link { padding: var(--spacing-17) var(--spacing-20); }

  .grid--2,
  .grid--3,
  .split,
  .gallery,
  .form-row--2,
  .cta-panel { grid-template-columns: minmax(0, 1fr); }

  .stat-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .hero { min-height: 520px; }

  .display { font-size: 36px; letter-spacing: 2.88px; }

  .heading { font-size: var(--text-heading-sm); }
}

@media (max-width: 600px) {
  :root { --card-padding: 30px; }

  .container { padding: 0 var(--spacing-20); }

  .section { padding: var(--spacing-45) 0; }

  .grid--4,
  .stat-row,
  .footer-grid,
  .facts { grid-template-columns: minmax(0, 1fr); }

  .display { font-size: 32px; letter-spacing: 2px; }

  .btn { width: 100%; padding: 18px 30px; }

  .btn-row { flex-direction: column; align-items: stretch; }

  .timeline li { grid-template-columns: minmax(0, 1fr); gap: var(--spacing-10); }

  .brand__sub { display: none; }

  .footer-bottom { flex-direction: column; }
}