/* ==========================================================================
   base — 基础变量、重置、字体与通用元素
   ========================================================================== */

:root {
  --ink: #1C1917;
  --paper: #FAF6F0;
  --orange: #E85D26;
  --amber: #B4530A;
  --warm-gray: #F3E9DC;
  --white: #FFFFFF;
  --text-light: #6B6259;
  --border-soft: #E8DFD2;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --container-w: 1200px;
  --radius: 8px;
  --shadow-card: 0 1px 3px rgba(28, 25, 23, 0.06);
  --transition: 0.25s ease;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
  background-color: var(--paper);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--ink);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--orange);
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
}

h2 {
  font-size: 1.75rem;
}

h3 {
  font-size: 1.125rem;
}

p {
  margin-bottom: 1rem;
}

figure {
  margin: 0;
}

figcaption {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.6;
  margin-top: 0.5rem;
}

strong {
  font-weight: 600;
}

/* 视觉隐藏，保留可访问性 */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   layout — 全站容器、页头、页脚、面包屑与页面骨架
   ========================================================================== */

.site-header {
  background-color: var(--paper);
  border-bottom: 1px solid var(--border-soft);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  flex-shrink: 0;
}

.brand-name {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.brand:hover .brand-name {
  color: var(--orange);
}

.brand-tag {
  font-size: 0.8rem;
  color: var(--text-light);
  font-family: var(--font-mono);
}

.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-list a {
  font-size: 0.95rem;
  color: var(--ink);
  padding: 0.375rem 0;
  position: relative;
  white-space: nowrap;
}

.nav-list a:hover {
  color: var(--orange);
}

.nav-list a.is-current {
  color: var(--orange);
  font-weight: 600;
}

.nav-list a.is-current::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background-color: var(--orange);
}

.nav-cta {
  display: inline-block;
  background-color: var(--orange);
  color: var(--white) !important;
  padding: 0.5rem 1.25rem !important;
  border-radius: var(--radius);
  font-weight: 600;
}

.nav-cta:hover {
  background-color: var(--amber);
  color: var(--white) !important;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink);
}

.nav-toggle-icon {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--ink);
  position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background-color: var(--ink);
}

.nav-toggle-icon::before {
  top: -6px;
}

.nav-toggle-icon::after {
  top: 6px;
}

.nav-toggle-text {
  font-size: 0.85rem;
}

.site-main {
  min-height: 60vh;
}

.inner-main {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-light);
  margin-bottom: 2rem;
}

.breadcrumb a {
  color: var(--text-light);
}

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

.breadcrumb-sep {
  color: var(--border-soft);
}

.breadcrumb-current {
  color: var(--ink);
  font-weight: 500;
}

.page-header {
  margin-bottom: 3rem;
  max-width: 820px;
}

.page-title {
  font-size: 2.125rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 0.75rem;
  letter-spacing: 0.02em;
}

.page-description {
  font-size: 1.0625rem;
  color: var(--text-light);
  line-height: 1.75;
  margin-bottom: 0;
}

/* 页脚 */
.site-footer {
  background-color: var(--ink);
  color: #D6CFC6;
  padding: 3.5rem 0 0;
}

.footer-inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 1.25rem;
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 3rem;
  padding-bottom: 2.5rem;
}

.footer-brand p {
  font-size: 1rem;
  line-height: 1.8;
  color: #D6CFC6;
  max-width: 320px;
  margin-bottom: 0;
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.footer-col h3 {
  font-size: 0.875rem;
  color: var(--white);
  margin-bottom: 1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.footer-col ul li {
  margin-bottom: 0.5rem;
}

.footer-col a {
  color: #B8B0A6;
  font-size: 0.925rem;
}

.footer-col a:hover {
  color: var(--orange);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.25rem 0;
}

.footer-bottom p {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 1.25rem;
  font-size: 0.8125rem;
  color: #9C948A;
}

/* 通用 section 标题 */
.section-title {
  font-size: 1.625rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

/* 相关链接条 */
.related-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-soft);
}

.related-links-label {
  font-size: 0.875rem;
  color: var(--text-light);
  font-family: var(--font-mono);
}

.related-links-item {
  font-size: 0.925rem;
  color: var(--amber);
  font-weight: 500;
}

.related-links-item:hover {
  color: var(--orange);
}

/* ==========================================================================
   components — 按钮、卡片、标签、横幅等通用组件
   ========================================================================== */

.btn-primary {
  display: inline-block;
  background-color: var(--orange);
  color: var(--white);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: background-color var(--transition);
}

.btn-primary:hover {
  background-color: var(--amber);
  color: var(--white);
}

.btn-secondary {
  display: inline-block;
  background-color: transparent;
  color: var(--ink);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  border: 1px solid var(--ink);
  transition: background-color var(--transition), color var(--transition);
}

.btn-secondary:hover {
  background-color: var(--ink);
  color: var(--paper);
}

.tag {
  display: inline-block;
  background-color: var(--warm-gray);
  color: var(--amber);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-family: var(--font-mono);
}

/* 横幅 */
.contact-banner {
  background-color: var(--ink);
  border-radius: var(--radius);
  padding: 3rem 2.5rem;
  margin-top: 3rem;
}

.banner-content h2,
.contact-banner h2 {
  color: var(--white);
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.banner-content p,
.contact-banner p {
  color: #D6CFC6;
  max-width: 560px;
  margin-bottom: 1.5rem;
}

.banner-content .btn-primary,
.contact-banner .btn-primary,
.contact-banner .banner-link {
  background-color: var(--orange);
  color: var(--white);
  display: inline-block;
  padding: 0.625rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
}

.banner-content .btn-primary:hover,
.contact-banner .btn-primary:hover,
.contact-banner .banner-link:hover {
  background-color: var(--amber);
}

/* 入口卡片（作品页、服务页、团队页、联系页通用） */
.entry-card,
.link-card,
.related-card {
  display: block;
  background-color: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  transition: box-shadow var(--transition), transform var(--transition);
}

.entry-card:hover,
.link-card:hover,
.related-card:hover {
  box-shadow: 0 4px 16px rgba(28, 25, 23, 0.08);
  transform: translateY(-2px);
}

.entry-card-title,
.link-card h3,
.related-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.entry-card p,
.link-card p,
.related-card p {
  font-size: 0.925rem;
  color: var(--text-light);
  margin-bottom: 0;
}

/* ==========================================================================
   pages — 首页
   ========================================================================== */

.home-main {
  overflow: visible;
}

/* 首屏 */
.hero-section {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 4rem 1.25rem 3rem;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.hero-copy h1 {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.hero-lead {
  font-size: 1.0625rem;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 1.75rem;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-figure {
  position: relative;
}

.hero-figure img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.hero-figure figcaption {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-top: 0.625rem;
}

/* 创作服务目录 */
.services-index {
  background-color: var(--white);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  padding: 3.5rem 0;
}

.services-index .section-heading {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 1.25rem 2rem;
}

.section-heading h2 {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.section-heading p {
  color: var(--text-light);
  max-width: 640px;
  margin-bottom: 0;
}

.service-grid {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 1.25rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.service-item {
  background-color: var(--paper);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  border: 1px solid var(--border-soft);
  transition: box-shadow var(--transition), transform var(--transition);
}

.service-item:hover {
  box-shadow: 0 4px 16px rgba(28, 25, 23, 0.08);
  transform: translateY(-2px);
}

.service-index {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  color: var(--orange);
  font-weight: 700;
  display: block;
  margin-bottom: 0.75rem;
}

.service-item h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.service-item p {
  font-size: 0.925rem;
  color: var(--text-light);
  margin-bottom: 0;
  line-height: 1.7;
}

/* 精选作品预览 */
.works-preview {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 4rem 1.25rem;
}

.works-preview .section-heading {
  margin-bottom: 2rem;
}

.preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.preview-card {
  background-color: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

.preview-card:hover {
  box-shadow: 0 6px 20px rgba(28, 25, 23, 0.1);
  transform: translateY(-3px);
}

.preview-card figure {
  overflow: hidden;
}

.preview-card figure img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.preview-card:hover figure img {
  transform: scale(1.04);
}

.preview-card figure figcaption {
  padding: 0 1.5rem 0.75rem;
  font-size: 0.8rem;
  color: var(--text-light);
}

.card-content {
  padding: 0 1.5rem 1.5rem;
}

.card-content .tag {
  margin-bottom: 0.75rem;
}

.card-content h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.card-content p {
  font-size: 0.925rem;
  color: var(--text-light);
  margin-bottom: 0;
}

/* 创作方法三原则 */
.principle-section {
  background-color: var(--warm-gray);
  padding: 3.5rem 0;
}

.principle-section .section-heading {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 1.25rem 2rem;
}

.principle-grid {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 1.25rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.principle-item {
  background-color: var(--paper);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  border: 1px solid var(--border-soft);
}

.principle-item h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  color: var(--amber);
}

.principle-item p {
  font-size: 0.925rem;
  color: var(--text-light);
  margin-bottom: 0;
  line-height: 1.7;
}

/* 创作笔记摘要 */
.journal-summary {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 4rem 1.25rem;
}

.journal-summary .section-heading {
  margin-bottom: 2rem;
}

.journal-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.journal-entry {
  background-color: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem 1.5rem;
  align-items: start;
  transition: box-shadow var(--transition);
}

.journal-entry:hover {
  box-shadow: 0 4px 16px rgba(28, 25, 23, 0.08);
}

.journal-entry h3 {
  font-size: 1.125rem;
  margin-bottom: 0.375rem;
}

.journal-entry p {
  font-size: 0.925rem;
  color: var(--text-light);
  margin-bottom: 0;
  grid-column: 1 / -1;
}

.archive-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--amber);
  background-color: var(--warm-gray);
  padding: 0.25rem 0.625rem;
  border-radius: 4px;
  white-space: nowrap;
}

/* ==========================================================================
   pages — 代表作品
   ========================================================================== */

.works-category-nav {
  background-color: var(--warm-gray);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 3rem;
}

.works-category-nav .section-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-light);
}

.category-anchor-list {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.category-anchor {
  display: inline-block;
  background-color: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 0.5rem 1.25rem;
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--ink);
  transition: background-color var(--transition), color var(--transition);
}

.category-anchor:hover {
  background-color: var(--orange);
  color: var(--white);
  border-color: var(--orange);
}

.work-section {
  margin-bottom: 4rem;
}

.work-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.work-row-reverse {
  grid-template-columns: 1fr 1fr;
}

.work-row-reverse .work-figure {
  order: 1;
}

.work-row-reverse .work-text {
  order: 2;
}

.work-text .section-title {
  margin-bottom: 1rem;
}

.work-intro {
  font-size: 1.0625rem;
  color: var(--text-light);
  margin-bottom: 1.25rem;
}

.work-subtitle {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--amber);
}

.work-text p {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-bottom: 1rem;
}

.work-points {
  margin-bottom: 1.25rem;
}

.work-points li {
  font-size: 0.925rem;
  color: var(--text-light);
  padding-left: 1.25rem;
  position: relative;
  margin-bottom: 0.375rem;
  line-height: 1.7;
}

.work-points li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--orange);
  font-family: var(--font-mono);
}

.work-delivery {
  font-size: 0.9rem;
  color: var(--amber) !important;
  font-weight: 500;
  border-top: 1px solid var(--border-soft);
  padding-top: 0.75rem;
}

.work-figure img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.work-figure figcaption {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-top: 0.5rem;
}

.work-text-full {
  max-width: 760px;
}

.work-text-full .section-title {
  margin-bottom: 1rem;
}

.work-text-full p {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-bottom: 1rem;
}

.related-entry {
  margin-top: 3rem;
}

.related-entry .section-title {
  margin-bottom: 1.5rem;
}

.entry-card-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

/* ==========================================================================
   pages — 创作服务
   ========================================================================== */

.service-block {
  margin-bottom: 3.5rem;
}

.service-block-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.service-text h2 {
  font-size: 1.625rem;
  margin-bottom: 0.75rem;
}

.service-intro {
  font-size: 1rem;
  color: var(--text-light);
  margin-bottom: 1.25rem;
}

.service-detail {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.detail-item {
  border-left: 3px solid var(--orange);
  padding-left: 1rem;
}

.detail-item dt {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--amber);
  font-family: var(--font-mono);
  margin-bottom: 0.25rem;
}

.detail-item dd {
  font-size: 0.925rem;
  color: var(--text-light);
  line-height: 1.7;
}

.service-figure img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.service-figure figcaption {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-top: 0.5rem;
}

.service-boundary {
  background-color: var(--warm-gray);
  border-radius: var(--radius);
  padding: 2rem 2.25rem;
  margin: 3rem 0;
}

.service-boundary h2 {
  font-size: 1.375rem;
  margin-bottom: 0.5rem;
}

.boundary-intro {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-bottom: 1.25rem;
}

.boundary-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.boundary-list li {
  font-size: 0.925rem;
  color: var(--text-light);
  padding-left: 1.5rem;
  position: relative;
  line-height: 1.7;
}

.boundary-list li::before {
  content: "×";
  position: absolute;
  left: 0;
  color: var(--orange);
  font-weight: 700;
  font-family: var(--font-mono);
}

.service-entry-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.service-entry-links .entry-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.service-entry-links .entry-card a {
  color: var(--orange);
  font-weight: 600;
  font-size: 0.925rem;
  margin-top: auto;
}

.service-entry-links .entry-card a:hover {
  color: var(--amber);
}

/* ==========================================================================
   pages — 创作流程
   ========================================================================== */

.process-steps {
  margin-bottom: 3.5rem;
}

.process-steps > h2 {
  font-size: 1.625rem;
  margin-bottom: 2rem;
}

.steps-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.step-item {
  background-color: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 1.75rem 2rem;
  position: relative;
}

.step-item h3 {
  font-size: 1.125rem;
  color: var(--amber);
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 700;
}

.step-item p {
  font-size: 0.925rem;
  color: var(--text-light);
  margin-bottom: 0.5rem;
  line-height: 1.7;
}

.step-item p:last-child {
  margin-bottom: 0;
}

.step-item strong {
  color: var(--ink);
  font-weight: 600;
  margin-right: 0.25rem;
}

.delivery-standards {
  margin-bottom: 3.5rem;
}

.delivery-standards > h2 {
  font-size: 1.625rem;
  margin-bottom: 2rem;
}

.delivery-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.process-figure img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.process-figure figcaption {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-top: 0.5rem;
}

.delivery-list h3 {
  font-size: 1.125rem;
  margin-bottom: 1rem;
}

.delivery-list ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.delivery-list li {
  font-size: 0.925rem;
  color: var(--text-light);
  line-height: 1.7;
  padding-left: 1.25rem;
  position: relative;
}

.delivery-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--orange);
  font-weight: 700;
}

.delivery-list strong {
  color: var(--ink);
  display: block;
  margin-bottom: 0.125rem;
}

.client-checklist {
  margin-bottom: 3rem;
}

.client-checklist > h2 {
  font-size: 1.625rem;
  margin-bottom: 0.75rem;
}

.checklist-intro {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

.checklist-items {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.checklist-items li {
  background-color: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 1rem 1.5rem;
  font-size: 0.925rem;
  color: var(--text-light);
  line-height: 1.7;
}

.checklist-items strong {
  color: var(--ink);
  display: block;
  margin-bottom: 0.125rem;
}

/* ==========================================================================
   pages — 创作团队
   ========================================================================== */

.team-roles {
  margin-bottom: 3.5rem;
}

.team-roles > h2 {
  font-size: 1.625rem;
  margin-bottom: 2rem;
}

.role-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.role-card {
  background-color: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  transition: box-shadow var(--transition);
}

.role-card:hover {
  box-shadow: 0 4px 16px rgba(28, 25, 23, 0.08);
}

.role-card h3 {
  font-size: 1.125rem;
  color: var(--amber);
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
  font-weight: 700;
}

.role-card p {
  font-size: 0.925rem;
  color: var(--text-light);
  margin-bottom: 0;
  line-height: 1.7;
}

.team-process {
  margin-bottom: 3.5rem;
}

.team-process > h2 {
  font-size: 1.625rem;
  margin-bottom: 2rem;
}

.team-process .process-figure {
  margin-bottom: 1.25rem;
}

.team-process .process-figure img {
  height: 360px;
}

.team-process > p {
  font-size: 0.95rem;
  color: var(--text-light);
  max-width: 760px;
  line-height: 1.8;
}

.team-principles {
  margin-bottom: 3.5rem;
}

.team-principles > h2 {
  font-size: 1.625rem;
  margin-bottom: 2rem;
}

.principles-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.principles-list .principle-item {
  background-color: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
}

.principles-list .principle-item h3 {
  font-size: 1.125rem;
  color: var(--amber);
  margin-bottom: 0.375rem;
}

.principles-list .principle-item p {
  font-size: 0.925rem;
  color: var(--text-light);
  margin-bottom: 0;
  line-height: 1.7;
}

.link-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

/* ==========================================================================
   pages — 创作笔记
   ========================================================================== */

.journal-archive-nav {
  background-color: var(--warm-gray);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 3rem;
}

.journal-archive-nav .section-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-light);
}

.archive-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.archive-card {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  background-color: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  transition: box-shadow var(--transition);
}

.archive-card:hover {
  box-shadow: 0 4px 16px rgba(28, 25, 23, 0.08);
}

.archive-period {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--amber);
}

.archive-desc {
  font-size: 0.875rem;
  color: var(--text-light);
}

.journal-list {
  margin-bottom: 3.5rem;
}

.journal-list > .section-title {
  margin-bottom: 1.5rem;
}

.journal-list .journal-entry {
  margin-bottom: 1rem;
}

.entry-title {
  font-size: 1.125rem;
  font-weight: 600;
}

.entry-summary {
  font-size: 0.925rem;
  color: var(--text-light);
  margin-bottom: 0;
}

.entry-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--amber);
  background-color: var(--warm-gray);
  padding: 0.25rem 0.625rem;
  border-radius: 4px;
  white-space: nowrap;
}

.journal-feature {
  margin-bottom: 2rem;
}

.journal-feature > .section-title {
  margin-bottom: 1.5rem;
}

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

.feature-item {
  background-color: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.feature-media img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.feature-media figcaption {
  padding: 0.5rem 1.25rem 0;
  font-size: 0.8rem;
  color: var(--text-light);
}

.feature-title {
  font-size: 1.125rem;
  padding: 0.75rem 1.25rem 0;
}

.feature-summary {
  font-size: 0.925rem;
  color: var(--text-light);
  padding: 0.375rem 1.25rem 0.75rem;
  margin-bottom: 0;
  line-height: 1.7;
  flex-grow: 1;
}

.feature-link {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  color: var(--orange);
  font-weight: 600;
  font-size: 0.925rem;
  border-top: 1px solid var(--border-soft);
}

.feature-link:hover {
  color: var(--amber);
  background-color: var(--paper);
}

/* ==========================================================================
   pages — 合作咨询
   ========================================================================== */

.contact-paths {
  margin-bottom: 3.5rem;
}

.contact-paths > h2 {
  font-size: 1.625rem;
  margin-bottom: 2rem;
}

.paths-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.path-card {
  background-color: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.path-card h3 {
  font-size: 1.125rem;
  color: var(--amber);
  font-family: var(--font-mono);
  font-weight: 700;
}

.path-card p {
  font-size: 0.925rem;
  color: var(--text-light);
  margin-bottom: 0;
  line-height: 1.7;
}

.path-card .path-prepare {
  border-top: 1px solid var(--border-soft);
  padding-top: 0.75rem;
  font-size: 0.875rem;
}

.contact-checklist {
  background-color: var(--warm-gray);
  border-radius: var(--radius);
  padding: 2rem 2.25rem;
  margin-bottom: 3rem;
}

.contact-checklist > h2 {
  font-size: 1.375rem;
  margin-bottom: 1.5rem;
}

.checklist-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  counter-reset: checklist;
}

.checklist-list li {
  counter-increment: checklist;
  font-size: 0.925rem;
  color: var(--text-light);
  padding-left: 2rem;
  position: relative;
  line-height: 1.7;
}

.checklist-list li::before {
  content: counter(checklist, decimal-leading-zero);
  position: absolute;
  left: 0;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--orange);
  font-weight: 700;
}

.contact-response {
  margin-bottom: 3rem;
}

.contact-response > h2 {
  font-size: 1.375rem;
  margin-bottom: 1rem;
}

.contact-response p {
  font-size: 0.95rem;
  color: var(--text-light);
  max-width: 720px;
  line-height: 1.8;
  margin-bottom: 0.75rem;
}

.contact-reference {
  margin-bottom: 3rem;
}

.contact-reference > h2 {
  font-size: 1.375rem;
  margin-bottom: 1.5rem;
}

.reference-figure img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.reference-figure figcaption {
  font-size: 0.875rem;
  color: var(--text-light);
  margin-top: 0.625rem;
  max-width: 720px;
}

.related-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-soft);
}

.related-links-label {
  font-size: 0.875rem;
  color: var(--text-light);
  font-family: var(--font-mono);
}

.related-links-item {
  font-size: 0.925rem;
  color: var(--amber);
  font-weight: 500;
}

.related-links-item:hover {
  color: var(--orange);
}

/* ==========================================================================
   pages — 404
   ========================================================================== */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5rem 1.25rem;
  min-height: 60vh;
}

.error-content {
  text-align: left;
  max-width: 560px;
}

.error-code {
  font-family: var(--font-mono);
  font-size: 4rem;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
  margin-bottom: 1rem;
}

.error-content h1 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.error-desc {
  font-size: 1rem;
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

.error-link {
  display: inline-block;
  background-color: var(--orange);
  color: var(--white);
  padding: 0.625rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
}

.error-link:hover {
  background-color: var(--amber);
  color: var(--white);
}

/* ==========================================================================
   responsive — 响应式断点
   ========================================================================== */

@media (max-width: 1024px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .hero-section {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-figure img {
    height: 320px;
  }

  .work-row,
  .work-row-reverse {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .work-row-reverse .work-figure {
    order: 0;
  }

  .work-row-reverse .work-text {
    order: 1;
  }

  .service-block-inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

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

@media (max-width: 768px) {
  .header-inner {
    min-height: 60px;
  }

  .site-nav {
    position: relative;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--white);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    box-shadow: 0 8px 24px rgba(28, 25, 23, 0.12);
    padding: 0.75rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    min-width: 200px;
    z-index: 200;
  }

  .nav-list.is-open {
    display: flex;
  }

  .nav-list li {
    width: 100%;
  }

  .nav-list a {
    display: block;
    padding: 0.625rem 0.75rem;
    border-radius: 4px;
    white-space: normal;
  }

  .nav-list a:hover {
    background-color: var(--paper);
  }

  .nav-list a.is-current::after {
    display: none;
  }

  .nav-list a.is-current {
    background-color: var(--warm-gray);
  }

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

  .inner-main {
    padding: 1.5rem 1rem 3rem;
  }

  .page-title {
    font-size: 1.75rem;
  }

  .hero-section {
    padding: 2.5rem 1rem 2rem;
  }

  .hero-copy h1 {
    font-size: 2rem;
  }

  .hero-figure img {
    height: 240px;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .preview-grid {
    grid-template-columns: 1fr;
  }

  .principle-grid {
    grid-template-columns: 1fr;
  }

  .journal-entry {
    grid-template-columns: 1fr;
  }

  .journal-entry h3 {
    grid-column: 1;
  }

  .journal-entry p {
    grid-column: 1;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-links {
    grid-template-columns: 1fr 1fr;
  }

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

  .service-entry-links {
    grid-template-columns: 1fr;
  }

  .link-cards {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .archive-links {
    grid-template-columns: 1fr;
  }

  .role-grid {
    grid-template-columns: 1fr;
  }

  .paths-grid {
    grid-template-columns: 1fr;
  }

  .category-anchor-list {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    -webkit-overflow-scrolling: touch;
  }

  .category-anchor {
    flex-shrink: 0;
    white-space: nowrap;
  }

  .contact-banner {
    padding: 2rem 1.5rem;
  }

  .work-figure img {
    height: 240px;
  }

  .service-figure img {
    height: 240px;
  }

  .process-figure img {
    height: 220px;
  }

  .team-process .process-figure img {
    height: 240px;
  }

  .reference-figure img {
    height: 240px;
  }

  .delivery-standards > h2,
  .process-steps > h2,
  .team-roles > h2,
  .team-process > h2,
  .team-principles > h2,
  .contact-paths > h2 {
    font-size: 1.375rem;
  }
}

@media (max-width: 480px) {
  .brand-tag {
    display: none;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn-primary,
  .hero-actions .btn-secondary {
    text-align: center;
  }

  .hero-copy h1 {
    font-size: 1.75rem;
  }

  .page-title {
    font-size: 1.5rem;
  }

  .step-item {
    padding: 1.25rem 1.25rem;
  }

  .service-boundary,
  .contact-checklist {
    padding: 1.5rem;
  }

  .work-text-full p,
  .work-text p,
  .service-text p {
    font-size: 0.9rem;
  }
}