/* ==========================================================================
   Base
   ========================================================================== */

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

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

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: #2B2B2B;
  background-color: #FFFFFF;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: #3E7C4F;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #2D5E3A;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

p {
  margin: 0 0 1em;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 0.5em;
  font-weight: 600;
  line-height: 1.35;
  color: #2B2B2B;
}

h1 {
  font-size: 32px;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 20px;
}

h4 {
  font-size: 16px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.site-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-main {
  flex: 1 0 auto;
  width: 100%;
}

.home-main {
  overflow: hidden;
}

.inner-main {
  overflow: hidden;
}

/* 内容容器宽度统一 */
.header-inner,
.positioning-band,
.news-summary-section,
.services-catalog-section,
.featured-cases-section,
.process-preview-section,
.methods-entry-section,
.faq-preview-section,
.contact-cta-band,
.footer-columns,
.footer-bottom,
.breadcrumb,
.page-header,
.module-type-tags,
.module-featured,
.module-case-grid,
.module-other-cases,
.module-related-links,
.service-index,
.service-details,
.service-boundary,
.related-links,
.process-timeline,
.deliverables-section,
.preparation-section,
.method-summary,
.method-topics,
.method-dynamic-entry,
.dynamic-tags,
.timeline-section,
.entry-card-section,
.faq-group-nav,
.faq-section,
.faq-more-help,
.cooperation-steps,
.preparation-checklist,
.communication-process,
.faq-link-banner,
.error-section {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ==========================================================================
   Components — Header & Navigation
   ========================================================================== */

.site-header {
  background-color: #FFFFFF;
  border-bottom: 1px solid #E8E4DC;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding-top: 0;
  padding-bottom: 0;
}

.brand-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  flex-shrink: 0;
}

.brand-name {
  font-size: 20px;
  font-weight: 700;
  color: #2B2B2B;
  letter-spacing: 0.02em;
}

.brand-tag {
  font-size: 12px;
  color: #8A6A4B;
  letter-spacing: 0.05em;
}

.site-nav {
  display: block;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-list li {
  margin: 0;
}

.nav-list a {
  display: block;
  padding: 8px 14px;
  font-size: 15px;
  color: #4A4A4A;
  border-radius: 4px;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.nav-list a:hover {
  color: #3E7C4F;
  background-color: #F0F4F1;
}

.nav-list a.is-current {
  color: #3E7C4F;
  font-weight: 600;
  background-color: #EAF1EC;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  gap: 5px;
}

.nav-toggle-line {
  display: block;
  width: 22px;
  height: 2px;
  background-color: #2B2B2B;
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ==========================================================================
   Components — Footer
   ========================================================================== */

.site-footer {
  background-color: #2B2B2B;
  color: #C8C8C8;
  margin-top: 0;
}

.footer-columns {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-top: 48px;
  padding-bottom: 40px;
}

.footer-brand-name {
  font-size: 18px;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  color: #A0A0A0;
  margin-bottom: 0;
}

.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 16px;
}

.footer-nav ul li {
  margin-bottom: 8px;
}

.footer-nav a {
  font-size: 14px;
  color: #A0A0A0;
  transition: color 0.2s ease;
}

.footer-nav a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  border-top: 1px solid #3A3A3A;
  padding-top: 20px;
  padding-bottom: 20px;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: #777;
  margin: 0;
}

/* ==========================================================================
   Components — Breadcrumb & Page Header
   ========================================================================== */

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  padding-top: 20px;
  padding-bottom: 4px;
  font-size: 14px;
  color: #777;
}

.breadcrumb a {
  color: #3E7C4F;
}

.breadcrumb a:hover {
  color: #2D5E3A;
}

.breadcrumb-sep {
  margin: 0 8px;
  color: #B0B0B0;
}

.breadcrumb-current {
  color: #4A4A4A;
}

.page-header {
  padding-top: 12px;
  padding-bottom: 28px;
}

.page-title {
  font-size: 32px;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 8px;
}

.page-description {
  font-size: 16px;
  color: #5A5A5A;
  max-width: 720px;
  margin: 0;
}

/* ==========================================================================
   Components — Buttons & Links
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 500;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.btn-primary {
  background-color: #3E7C4F;
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: #2D5E3A;
  color: #FFFFFF;
}

.btn-outline {
  background-color: transparent;
  border-color: #3E7C4F;
  color: #3E7C4F;
}

.btn-outline:hover {
  background-color: #EAF1EC;
  color: #2D5E3A;
}

.link-more {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  color: #3E7C4F;
  margin-top: 12px;
}

.link-more::after {
  content: " →";
}

.link-more:hover {
  color: #2D5E3A;
}

/* ==========================================================================
   Components — Section Title
   ========================================================================== */

.section-title {
  font-size: 24px;
  font-weight: 600;
  color: #2B2B2B;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #E8E4DC;
}

/* ==========================================================================
   Components — Timeline
   ========================================================================== */

.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.timeline-item {
  position: relative;
  padding-left: 20px;
  border-left: 2px solid #C9A87C;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #C9A87C;
}

.timeline-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.timeline-desc {
  font-size: 14px;
  color: #5A5A5A;
  margin-bottom: 6px;
}

.timeline-tag {
  display: inline-block;
  font-size: 12px;
  color: #8A6A4B;
  background-color: #F5F0E8;
  padding: 2px 10px;
  border-radius: 3px;
}

/* 内页动态时间线 */
.timeline-section .timeline-list {
  gap: 24px;
}

.timeline-section .timeline-item {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  padding-left: 0;
  border-left: none;
}

.timeline-section .timeline-item::before {
  display: none;
}

.timeline-media {
  overflow: hidden;
  border-radius: 6px;
}

.timeline-media figure {
  margin: 0;
}

.timeline-media img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.timeline-content h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.timeline-content p {
  font-size: 14px;
  color: #5A5A5A;
  margin-bottom: 0;
}

.tag {
  display: inline-block;
  font-size: 12px;
  color: #4A7C82;
  background-color: #E8F0F1;
  padding: 2px 10px;
  border-radius: 3px;
  margin-bottom: 8px;
}

.tag-project {
  color: #3E7C4F;
  background-color: #EAF1EC;
}

.tag-article {
  color: #8A6A4B;
  background-color: #F5F0E8;
}

/* ==========================================================================
   Components — Service Row
   ========================================================================== */

.service-row-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.service-row {
  display: grid;
  grid-template-columns: 180px 1fr 1fr;
  gap: 20px;
  align-items: start;
  padding: 20px 24px;
  background-color: #F8F7F4;
  border: 1px solid #E8E4DC;
  border-radius: 6px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.service-row:hover {
  border-color: #3E7C4F;
  box-shadow: 0 2px 8px rgba(62, 124, 79, 0.08);
}

.service-name {
  font-size: 18px;
  font-weight: 600;
  color: #2B2B2B;
  margin: 0;
}

.service-scene {
  font-size: 14px;
  color: #5A5A5A;
  margin: 0;
}

.service-deliverable {
  font-size: 14px;
  color: #5A5A5A;
  margin: 0;
}

/* 服务页横条 */
.service-index-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.service-index-grid .service-row {
  grid-template-columns: 200px 1fr 1fr;
}

.service-index-grid .service-name,
.service-index-grid .service-scene,
.service-index-grid .service-deliverable {
  display: block;
}

/* ==========================================================================
   Components — Cards
   ========================================================================== */

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.case-card {
  background-color: #FFFFFF;
  border: 1px solid #E8E4DC;
  border-radius: 6px;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.case-card:hover {
  border-color: #3E7C4F;
  box-shadow: 0 4px 12px rgba(62, 124, 79, 0.1);
}

.case-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.case-card-wide {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0;
}

.case-card-wide img {
  height: 100%;
  min-height: 280px;
}

.case-title {
  font-size: 18px;
  font-weight: 600;
  padding: 16px 20px 4px;
  margin: 0;
}

.case-summary {
  font-size: 14px;
  color: #5A5A5A;
  padding: 0 20px 16px;
  margin: 0;
}

/* 内页案例卡片 */
.case-group {
  margin-bottom: 36px;
}

.group-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid #E8E4DC;
}

.case-media {
  overflow: hidden;
}

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

.case-body {
  padding: 16px 20px;
}

.case-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.case-desc {
  font-size: 14px;
  color: #5A5A5A;
  margin: 0;
}

/* 其他案例列表 */
.other-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.other-item {
  padding: 16px 20px;
  background-color: #F8F7F4;
  border-radius: 6px;
  border-left: 3px solid #C9A87C;
}

.other-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.other-desc {
  font-size: 14px;
  color: #5A5A5A;
  margin: 0;
}

/* 入口卡片 */
.entry-card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.entry-card {
  display: block;
  padding: 24px;
  background-color: #F8F7F4;
  border: 1px solid #E8E4DC;
  border-radius: 6px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.entry-card:hover {
  border-color: #3E7C4F;
  box-shadow: 0 4px 12px rgba(62, 124, 79, 0.08);
}

.entry-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #2B2B2B;
}

.entry-desc {
  font-size: 14px;
  color: #5A5A5A;
  margin-bottom: 12px;
}

.card-link {
  font-size: 14px;
  font-weight: 500;
  color: #3E7C4F;
}

.card-link::after {
  content: " →";
}

.card-link:hover {
  color: #2D5E3A;
}

/* 内页入口卡 */
.entry-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.entry-card-title {
  display: block;
  font-size: 18px;
  font-weight: 600;
  color: #2B2B2B;
  margin-bottom: 6px;
}

.entry-card-desc {
  display: block;
  font-size: 14px;
  color: #5A5A5A;
}

/* 链接卡片 */
.link-card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.link-card {
  display: block;
  padding: 20px 24px;
  background-color: #F8F7F4;
  border: 1px solid #E8E4DC;
  border-radius: 6px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.link-card:hover {
  border-color: #3E7C4F;
  box-shadow: 0 4px 12px rgba(62, 124, 79, 0.08);
}

.link-card-title {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: #2B2B2B;
  margin-bottom: 4px;
}

.link-card-desc {
  display: block;
  font-size: 14px;
  color: #5A5A5A;
}

/* 相关卡片 */
.related-card-grid,
.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.related-card {
  display: block;
  padding: 20px 24px;
  background-color: #F8F7F4;
  border: 1px solid #E8E4DC;
  border-radius: 6px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.related-card:hover {
  border-color: #3E7C4F;
  box-shadow: 0 4px 12px rgba(62, 124, 79, 0.08);
}

.related-card-title {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: #2B2B2B;
  margin-bottom: 4px;
}

.related-card-desc {
  display: block;
  font-size: 14px;
  color: #5A5A5A;
}

/* ==========================================================================
   Components — FAQ
   ========================================================================== */

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid #E8E4DC;
  border-radius: 6px;
  background-color: #FFFFFF;
  overflow: hidden;
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 500;
  color: #2B2B2B;
  cursor: pointer;
  list-style: none;
  transition: background-color 0.2s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-size: 20px;
  color: #3E7C4F;
  flex-shrink: 0;
  margin-left: 12px;
}

.faq-item[open] summary {
  background-color: #F0F4F1;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-answer {
  padding: 0 20px 16px;
  font-size: 14px;
  color: #5A5A5A;
  margin: 0;
}

/* ==========================================================================
   Components — Tags
   ========================================================================== */

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tag-item {
  display: inline-block;
  padding: 8px 20px;
  font-size: 14px;
  color: #3E7C4F;
  background-color: #EAF1EC;
  border: 1px solid #C8DCCF;
  border-radius: 4px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.tag-item:hover {
  background-color: #3E7C4F;
  color: #FFFFFF;
}

/* ==========================================================================
   Components — Featured
   ========================================================================== */

.featured-card {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0;
  background-color: #FFFFFF;
  border: 1px solid #E8E4DC;
  border-radius: 6px;
  overflow: hidden;
}

.featured-media {
  overflow: hidden;
}

.featured-media img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
}

.featured-content {
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-name {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
}

.featured-goal,
.featured-style,
.featured-deliverable {
  font-size: 14px;
  color: #5A5A5A;
  margin-bottom: 8px;
}

.featured-goal::before {
  content: "创作目标：";
  font-weight: 600;
  color: #3E7C4F;
}

.featured-style::before {
  content: "画面风格：";
  font-weight: 600;
  color: #4A7C82;
}

.featured-deliverable::before {
  content: "交付内容：";
  font-weight: 600;
  color: #8A6A4B;
}

/* ==========================================================================
   Components — Process Steps
   ========================================================================== */

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.process-step {
  padding: 24px;
  background-color: #F8F7F4;
  border: 1px solid #E8E4DC;
  border-radius: 6px;
  position: relative;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.process-step:hover {
  border-color: #3E7C4F;
  box-shadow: 0 4px 12px rgba(62, 124, 79, 0.08);
}

.process-step .step-num {
  display: inline-block;
  font-size: 28px;
  font-weight: 700;
  color: #C9A87C;
  line-height: 1;
  margin-bottom: 8px;
}

.process-step .step-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.process-step .step-desc {
  font-size: 14px;
  color: #5A5A5A;
  margin: 0;
}

/* 流程页时间线 */
.timeline-steps {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.timeline-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 20px;
  padding: 24px;
  background-color: #F8F7F4;
  border: 1px solid #E8E4DC;
  border-radius: 6px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.timeline-step:hover {
  border-color: #3E7C4F;
  box-shadow: 0 4px 12px rgba(62, 124, 79, 0.08);
}

.timeline-step .step-number {
  display: inline-block;
  font-size: 32px;
  font-weight: 700;
  color: #C9A87C;
  line-height: 1.2;
}

.timeline-step .step-body h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
}

.timeline-step .step-body p {
  font-size: 14px;
  color: #5A5A5A;
  margin: 0;
}

/* ==========================================================================
   Components — Deliverables
   ========================================================================== */

.deliverables-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.deliverable-item {
  padding: 20px 24px;
  background-color: #F8F7F4;
  border-left: 3px solid #3E7C4F;
  border-radius: 0 6px 6px 0;
}

.deliverable-heading {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.deliverable-text {
  font-size: 14px;
  color: #5A5A5A;
  margin: 0;
}

.process-media {
  margin: 24px 0 0;
  overflow: hidden;
  border-radius: 6px;
}

.process-media img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.process-media figcaption {
  font-size: 13px;
  color: #777;
  padding: 8px 12px;
  background-color: #F8F7F4;
  text-align: center;
}

/* ==========================================================================
   Components — Preparation
   ========================================================================== */

.section-intro {
  font-size: 15px;
  color: #5A5A5A;
  margin-bottom: 20px;
  max-width: 720px;
}

.preparation-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.preparation-item {
  padding: 20px 24px;
  background-color: #F8F7F4;
  border: 1px solid #E8E4DC;
  border-radius: 6px;
}

.preparation-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
  color: #3E7C4F;
}

.preparation-desc {
  font-size: 14px;
  color: #5A5A5A;
  margin: 0;
}

/* ==========================================================================
   Components — Method Topics
   ========================================================================== */

.method-summary p {
  font-size: 16px;
  color: #4A4A4A;
  max-width: 760px;
}

.topic-block {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid #E8E4DC;
}

.topic-block:last-child {
  border-bottom: none;
}

.topic-media {
  overflow: hidden;
  border-radius: 6px;
}

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

.topic-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}

.topic-section {
  margin-bottom: 12px;
}

.topic-subtitle {
  font-size: 15px;
  font-weight: 600;
  color: #3E7C4F;
  margin-bottom: 4px;
}

.topic-section p {
  font-size: 14px;
  color: #5A5A5A;
  margin: 0;
}

/* ==========================================================================
   Components — Entry Card (单卡)
   ========================================================================== */

.method-dynamic-entry .entry-card,
.entry-card-section .entry-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 32px;
  background-color: #F8F7F4;
  border: 1px solid #E8E4DC;
  border-radius: 6px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.method-dynamic-entry .entry-card:hover,
.entry-card-section .entry-card:hover {
  border-color: #3E7C4F;
  box-shadow: 0 4px 12px rgba(62, 124, 79, 0.08);
}

.entry-content {
  flex: 1;
}

.entry-content h3,
.entry-card-text h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
}

.entry-content p,
.entry-card-text p {
  font-size: 14px;
  color: #5A5A5A;
  margin: 0;
}

.entry-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 500;
  color: #3E7C4F;
  flex-shrink: 0;
}

.entry-link:hover {
  color: #2D5E3A;
}

.entry-link .arrow {
  transition: transform 0.2s ease;
}

.entry-link:hover .arrow {
  transform: translateX(4px);
}

/* ==========================================================================
   Components — Cooperation Steps
   ========================================================================== */

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.step-card {
  padding: 24px;
  background-color: #F8F7F4;
  border: 1px solid #E8E4DC;
  border-radius: 6px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

.step-card:hover {
  border-color: #3E7C4F;
  box-shadow: 0 4px 12px rgba(62, 124, 79, 0.08);
}

.step-card .step-number {
  display: inline-block;
  font-size: 32px;
  font-weight: 700;
  color: #C9A87C;
  line-height: 1;
  margin-bottom: 10px;
}

.step-card .step-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-card .step-text {
  font-size: 14px;
  color: #5A5A5A;
  margin: 0;
}

.step-links {
  display: flex;
  gap: 16px;
  margin-top: 20px;
}

.step-links a {
  font-size: 15px;
  font-weight: 500;
  color: #3E7C4F;
}

.step-links a::after {
  content: " →";
}

/* ==========================================================================
   Components — Checklist
   ========================================================================== */

.checklist-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.checklist-item {
  padding: 24px;
  background-color: #F8F7F4;
  border: 1px solid #E8E4DC;
  border-radius: 6px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.checklist-item:hover {
  border-color: #3E7C4F;
  box-shadow: 0 4px 12px rgba(62, 124, 79, 0.08);
}

.item-title {
  font-size: 16px;
  font-weight: 600;
  color: #3E7C4F;
  margin-bottom: 8px;
}

.item-desc {
  font-size: 14px;
  color: #5A5A5A;
  margin: 0;
}

/* ==========================================================================
   Components — Communication Process
   ========================================================================== */

.communication-process .process-description {
  font-size: 15px;
  color: #4A4A4A;
  max-width: 760px;
  line-height: 1.8;
}

.communication-process .process-description a {
  font-weight: 500;
}

/* ==========================================================================
   Components — FAQ Link Banner
   ========================================================================== */

.faq-link-banner {
  padding-top: 20px;
  padding-bottom: 20px;
}

.banner-text {
  font-size: 15px;
  color: #4A4A4A;
  margin-bottom: 16px;
}

.banner-links {
  display: flex;
  gap: 16px;
}

.banner-links a {
  font-size: 15px;
  font-weight: 500;
  color: #3E7C4F;
}

.banner-links a::after {
  content: " →";
}

/* ==========================================================================
   Components — Content Media (内页配图)
   ========================================================================== */

.content-media {
  margin: 0 0 24px;
  overflow: hidden;
  border-radius: 6px;
}

.content-media img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.content-media figcaption {
  font-size: 13px;
  color: #777;
  padding: 8px 12px;
  background-color: #F8F7F4;
  text-align: center;
}

.content-media-inline {
  max-width: 720px;
}

/* ==========================================================================
   Components — FAQ Group Nav
   ========================================================================== */

.faq-group-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-top: 8px;
  padding-bottom: 8px;
  margin-bottom: 24px;
}

.group-label {
  font-size: 14px;
  font-weight: 600;
  color: #2B2B2B;
}

.faq-group-nav ul {
  display: flex;
  gap: 12px;
}

.faq-group-nav a {
  display: inline-block;
  padding: 6px 16px;
  font-size: 14px;
  color: #3E7C4F;
  background-color: #EAF1EC;
  border-radius: 4px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.faq-group-nav a:hover {
  background-color: #3E7C4F;
  color: #FFFFFF;
}

/* ==========================================================================
   Components — FAQ More Help
   ========================================================================== */

.faq-more-help {
  padding-top: 24px;
  padding-bottom: 24px;
}

.faq-more-help p {
  font-size: 14px;
  color: #5A5A5A;
  max-width: 760px;
}

.faq-more-help p a {
  font-weight: 500;
}

/* ==========================================================================
   Components — Related Links (内页底部)
   ========================================================================== */

.module-related-links {
  padding-top: 20px;
  padding-bottom: 20px;
}

.related-links {
  padding-top: 12px;
  padding-bottom: 12px;
}

.related-links-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: #2B2B2B;
  margin-bottom: 8px;
}

.related-links-item {
  display: inline-block;
  font-size: 14px;
  color: #3E7C4F;
  margin-right: 16px;
}

.related-links-item::after {
  content: " →";
}

/* changjian-wenti 相关卡片 */
.related-card {
  display: block;
  padding: 20px 24px;
  background-color: #F8F7F4;
  border: 1px solid #E8E4DC;
  border-radius: 6px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.related-card:hover {
  border-color: #3E7C4F;
  box-shadow: 0 4px 12px rgba(62, 124, 79, 0.08);
}

.related-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.related-card p {
  font-size: 14px;
  color: #5A5A5A;
  margin-bottom: 8px;
}

.related-link {
  font-size: 14px;
  font-weight: 500;
  color: #3E7C4F;
}

.related-link::after {
  content: " →";
}

/* ==========================================================================
   Pages — Home
   ========================================================================== */

.hero-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 56px 24px 48px;
}

.hero-title {
  font-size: 32px;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 17px;
  color: #4A4A4A;
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 460px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-media {
  position: relative;
}

.hero-figure {
  margin: 0;
  overflow: hidden;
  border-radius: 6px;
}

.hero-figure img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

.positioning-band {
  background-color: #F0F4F1;
  padding-top: 28px;
  padding-bottom: 28px;
}

.positioning-text {
  font-size: 15px;
  color: #4A4A4A;
  line-height: 1.8;
  margin: 0;
  max-width: 960px;
}

/* 首页各区块间距 */
.news-summary-section,
.services-catalog-section,
.featured-cases-section,
.process-preview-section,
.methods-entry-section,
.faq-preview-section {
  padding-top: 48px;
  padding-bottom: 48px;
}

.contact-cta-band {
  padding-top: 40px;
  padding-bottom: 56px;
  text-align: center;
}

.cta-text {
  font-size: 18px;
  color: #2B2B2B;
  margin-bottom: 20px;
}

/* ==========================================================================
   Pages — 404
   ========================================================================== */

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

.error-section {
  text-align: center;
  padding-top: 48px;
  padding-bottom: 48px;
}

.error-code {
  font-size: 72px;
  font-weight: 700;
  color: #C9A87C;
  line-height: 1;
  margin-bottom: 16px;
}

.error-section h1 {
  font-size: 24px;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 15px;
  color: #5A5A5A;
  margin-bottom: 24px;
}

.error-btn {
  display: inline-block;
  padding: 10px 28px;
  font-size: 15px;
  font-weight: 500;
  color: #FFFFFF;
  background-color: #3E7C4F;
  border-radius: 6px;
  transition: background-color 0.2s ease;
}

.error-btn:hover {
  background-color: #2D5E3A;
  color: #FFFFFF;
}

.error-tip {
  font-size: 13px;
  color: #777;
  margin-top: 16px;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
  .footer-columns {
    grid-template-columns: 1fr 1fr;
  }

  .case-card-wide {
    grid-template-columns: 1fr;
  }

  .case-card-wide img {
    height: 260px;
    min-height: 0;
  }

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

  .featured-media img {
    height: 280px;
    min-height: 0;
  }

  .topic-block {
    grid-template-columns: 260px 1fr;
  }

  .timeline-section .timeline-item {
    grid-template-columns: 200px 1fr;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: 64px;
    padding-left: 16px;
    padding-right: 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background-color: #FFFFFF;
    border-bottom: 1px solid #E8E4DC;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    padding: 8px 16px 16px;
    gap: 0;
    max-height: none;
    display: flex;
  }

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

  .site-nav.is-open {
    max-height: 480px;
  }

  .nav-list a {
    padding: 14px 12px;
    border-bottom: 1px solid #F0EFEC;
    border-radius: 0;
  }

  .nav-list li:last-child a {
    border-bottom: none;
  }

  .hero-section {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 16px 32px;
  }

  .hero-title {
    font-size: 26px;
  }

  .hero-lead {
    font-size: 15px;
  }

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

  .positioning-band,
  .news-summary-section,
  .services-catalog-section,
  .featured-cases-section,
  .process-preview-section,
  .methods-entry-section,
  .faq-preview-section,
  .contact-cta-band,
  .breadcrumb,
  .page-header,
  .module-type-tags,
  .module-featured,
  .module-case-grid,
  .module-other-cases,
  .module-related-links,
  .service-index,
  .service-details,
  .service-boundary,
  .related-links,
  .process-timeline,
  .deliverables-section,
  .preparation-section,
  .method-summary,
  .method-topics,
  .method-dynamic-entry,
  .dynamic-tags,
  .timeline-section,
  .entry-card-section,
  .faq-group-nav,
  .faq-section,
  .faq-more-help,
  .cooperation-steps,
  .preparation-checklist,
  .communication-process,
  .faq-link-banner,
  .error-section {
    padding-left: 16px;
    padding-right: 16px;
  }

  .service-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 16px 20px;
  }

  .service-index-grid .service-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

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

  .case-card-wide {
    grid-column: auto;
  }

  .entry-card-grid,
  .entry-cards,
  .link-card-grid,
  .related-card-grid,
  .related-grid {
    grid-template-columns: 1fr;
  }

  .process-steps {
    grid-template-columns: 1fr 1fr;
  }

  .deliverables-list,
  .preparation-list,
  .checklist-grid {
    grid-template-columns: 1fr;
  }

  .topic-block {
    grid-template-columns: 1fr;
  }

  .topic-media img {
    height: 180px;
  }

  .timeline-section .timeline-item {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .timeline-media img {
    height: 140px;
  }

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

  .footer-columns {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-top: 32px;
    padding-bottom: 24px;
  }

  .footer-col {
    padding-bottom: 8px;
  }

  .footer-title {
    margin-bottom: 10px;
  }

  .faq-group-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .faq-group-nav ul {
    flex-wrap: wrap;
  }

  .step-links {
    flex-direction: column;
    gap: 8px;
  }

  .banner-links {
    flex-direction: column;
    gap: 8px;
  }

  .entry-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .content-media img {
    height: 200px;
  }

  .featured-content {
    padding: 20px;
  }

  .featured-name {
    font-size: 18px;
  }

  .process-media img {
    height: 200px;
  }

  .page-title {
    font-size: 26px;
  }

  .section-title {
    font-size: 20px;
  }
}

@media (max-width: 480px) {
  .process-steps {
    grid-template-columns: 1fr;
  }

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

  .hero-actions .btn {
    width: 100%;
  }

  .timeline-step {
    grid-template-columns: 60px 1fr;
    gap: 12px;
    padding: 16px;
  }

  .timeline-step .step-number {
    font-size: 24px;
  }

  .error-code {
    font-size: 56px;
  }
}

/* ==========================================================================
   Reduced Motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}