/* =========================================================
   base
   ========================================================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
  color: #f5efe8;
  background-color: #1f1b16;
  font-variant-numeric: tabular-nums;
}

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

a {
  color: #e8a33d;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #f0b65a;
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-weight: 700;
  line-height: 1.35;
  color: #f5efe8;
}

h1 {
  font-size: 44px;
  line-height: 1.3;
}

h2 {
  font-size: 32px;
  line-height: 1.35;
}

h3 {
  font-size: 22px;
  line-height: 1.4;
}

h4 {
  font-size: 18px;
  line-height: 1.4;
}

p {
  color: #c6bdb1;
}

/* =========================================================
   layout
   ========================================================= */
.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: #1f1b16;
}

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

.home-main {
  width: 100%;
}

.inner-main {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-inner {
  width: 100%;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  padding: 28px 0 12px;
  font-size: 14px;
  color: #c6bdb1;
}

.breadcrumb a {
  color: #c6bdb1;
}

.breadcrumb a:hover {
  color: #e8a33d;
}

.breadcrumb-sep {
  margin: 0 10px;
  color: #6b6155;
}

.breadcrumb-current {
  color: #e8a33d;
}

/* 页面标题区 */
.page-header {
  padding: 12px 0 36px;
  border-bottom: 1px solid rgba(245, 239, 232, 0.12);
  margin-bottom: 48px;
}

.page-title {
  font-size: 44px;
  line-height: 1.3;
  font-weight: 700;
  color: #f5efe8;
}

/* 页脚 */
.site-footer {
  background-color: #f7f2eb;
  color: #3b2f25;
  margin-top: 80px;
  padding: 64px 0 0;
}

.footer-columns {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
}

.footer-brand {
  font-size: 22px;
  font-weight: 700;
  color: #3b2f25;
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.75;
  color: #6b5d4f;
}

.footer-col h3 {
  font-size: 16px;
  color: #3b2f25;
  margin-bottom: 16px;
  font-weight: 700;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: #6b5d4f;
  font-size: 14px;
}

.footer-links a:hover {
  color: #c97b4a;
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 40px;
  border-top: 1px solid rgba(59, 47, 37, 0.12);
  margin-top: 48px;
}

.footer-bottom p {
  font-size: 14px;
  color: #8a7a6a;
  text-align: center;
}

/* =========================================================
   components
   ========================================================= */

/* ---------- 页头 ---------- */
.site-header {
  width: 100%;
  background-color: rgba(31, 27, 22, 0.92);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(245, 239, 232, 0.08);
}

.header-top {
  border-bottom: 1px solid rgba(245, 239, 232, 0.06);
}

.header-top-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.brand-name {
  font-size: 20px;
  font-weight: 700;
  color: #f5efe8;
  letter-spacing: 0;
}

.brand-name:hover {
  color: #e8a33d;
}

.brand-type {
  font-size: 13px;
  color: #c6bdb1;
}

.header-nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}

.main-nav {
  flex: 1;
}

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

.nav-list li {
  margin: 0;
}

.nav-link {
  display: inline-block;
  padding: 10px 18px;
  font-size: 15px;
  color: #c6bdb1;
  border-radius: 4px;
  transition: color 0.2s ease, background-color 0.2s ease;
  min-height: 44px;
  line-height: 24px;
}

.nav-link:hover {
  color: #f5efe8;
  background-color: rgba(245, 239, 232, 0.06);
}

.nav-link.is-current {
  color: #e8a33d;
  background-color: rgba(232, 163, 61, 0.1);
}

.btn-cta {
  display: inline-block;
  padding: 10px 24px;
  background-color: #e8a33d;
  color: #1f1b16;
  font-size: 15px;
  font-weight: 700;
  border-radius: 6px;
  min-height: 44px;
  line-height: 24px;
  transition: background-color 0.2s ease, transform 0.1s ease;
  white-space: nowrap;
}

.btn-cta:hover {
  background-color: #f0b65a;
  color: #1f1b16;
}

.btn-cta.is-current {
  background-color: #c97b4a;
  color: #f5efe8;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid rgba(245, 239, 232, 0.2);
  border-radius: 6px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: #f5efe8;
  border-radius: 2px;
}

/* ---------- 按钮 ---------- */
.btn-primary {
  display: inline-block;
  padding: 12px 32px;
  background-color: #e8a33d;
  color: #1f1b16;
  font-size: 16px;
  font-weight: 700;
  border-radius: 6px;
  min-height: 48px;
  line-height: 24px;
  transition: background-color 0.2s ease, transform 0.1s ease;
}

.btn-primary:hover {
  background-color: #f0b65a;
  color: #1f1b16;
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-block;
  padding: 12px 32px;
  background-color: transparent;
  color: #f5efe8;
  font-size: 16px;
  font-weight: 400;
  border: 1px solid rgba(245, 239, 232, 0.35);
  border-radius: 6px;
  min-height: 48px;
  line-height: 24px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.btn-secondary:hover {
  border-color: #e8a33d;
  color: #e8a33d;
}

/* ---------- 区块标题 ---------- */
.section-heading {
  margin-bottom: 48px;
}

.section-heading h2 {
  margin-bottom: 12px;
}

.section-intro {
  max-width: 720px;
  font-size: 16px;
  color: #c6bdb1;
}

/* ---------- 首页 hero ---------- */
.hero-section {
  width: 100%;
  padding: 72px 0 64px;
  background-color: #1f1b16;
}

.hero-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.hero-copy h1 {
  margin-bottom: 20px;
}

.hero-lead {
  font-size: 17px;
  line-height: 1.75;
  color: #c6bdb1;
  margin-bottom: 32px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-services {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.service-group {
  background-color: rgba(245, 239, 232, 0.04);
  border: 1px solid rgba(245, 239, 232, 0.08);
  border-radius: 8px;
  padding: 20px 24px;
}

.service-group-title {
  font-size: 18px;
  font-weight: 700;
  color: #e8a33d;
  margin-bottom: 6px;
}

.service-group-desc {
  font-size: 15px;
  color: #c6bdb1;
  line-height: 1.6;
}

.hero-figure {
  grid-column: 1 / -1;
  margin-top: 48px;
  border-radius: 8px;
  overflow: hidden;
}

.hero-figure img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: 8px;
}

/* ---------- 图文交替展签 ---------- */
.featured-services {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 24px;
}

.exhibit-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 72px;
}

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

.exhibit-media {
  border-radius: 8px;
  overflow: hidden;
}

.exhibit-media img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: 8px;
}

.exhibit-caption h3 {
  font-size: 24px;
  margin-bottom: 12px;
}

.exhibit-caption p {
  font-size: 16px;
  line-height: 1.75;
  margin-bottom: 16px;
  color: #c6bdb1;
}

.text-link {
  display: inline-block;
  font-size: 15px;
  font-weight: 700;
  color: #e8a33d;
  border-bottom: 1px solid rgba(232, 163, 61, 0.4);
  padding-bottom: 2px;
  transition: border-color 0.2s ease;
}

.text-link:hover {
  border-color: #e8a33d;
  color: #f0b65a;
}

/* ---------- 步骤时间线 ---------- */
.process-summary {
  background-color: rgba(245, 239, 232, 0.03);
  padding: 80px 0;
}

.process-summary .section-heading,
.process-summary > .text-link {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.process-summary > .text-link {
  display: inline-block;
  margin-top: 32px;
}

.process-steps {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  list-style: none;
}

.step-item {
  background-color: rgba(245, 239, 232, 0.04);
  border: 1px solid rgba(245, 239, 232, 0.08);
  border-radius: 8px;
  padding: 24px;
}

.step-num {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: #e8a33d;
  background-color: rgba(232, 163, 61, 0.12);
  border-radius: 4px;
  padding: 4px 12px;
  margin-bottom: 16px;
}

.step-item h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.step-item p {
  font-size: 14px;
  line-height: 1.6;
  color: #c6bdb1;
}

/* ---------- 内容参考卡片 ---------- */
.works-preview {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 24px;
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.work-card {
  background-color: rgba(245, 239, 232, 0.03);
  border: 1px solid rgba(245, 239, 232, 0.08);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.work-media {
  border-radius: 8px 8px 0 0;
  overflow: hidden;
}

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

.work-card h3 {
  font-size: 18px;
  padding: 20px 20px 8px;
}

.work-card p {
  font-size: 14px;
  line-height: 1.6;
  color: #c6bdb1;
  padding: 0 20px 16px;
}

.work-card .text-link {
  margin: auto 20px 20px;
}

/* ---------- FAQ ---------- */
.faq-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

.faq-item {
  border-bottom: 1px solid rgba(245, 239, 232, 0.1);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  padding: 20px 0;
  font-size: 17px;
  font-weight: 700;
  color: #f5efe8;
  list-style: none;
  min-height: 44px;
}

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

.faq-item summary::after {
  content: "+";
  font-size: 22px;
  color: #e8a33d;
  margin-left: 16px;
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item p {
  padding: 0 0 24px;
  font-size: 15px;
  line-height: 1.75;
  color: #c6bdb1;
  max-width: 800px;
}

/* ---------- 合作启动入口 ---------- */
.contact-cta-section {
  background-color: rgba(232, 163, 61, 0.08);
  padding: 72px 24px;
}

.contact-cta-inner {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.contact-cta-inner h2 {
  margin-bottom: 16px;
}

.contact-cta-inner p {
  max-width: 640px;
  margin: 0 auto 32px;
  font-size: 16px;
  color: #c6bdb1;
}

.cta-button-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- 相关链接导航 ---------- */
.related-links {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.related-links-label {
  font-size: 14px;
  color: #c6bdb1;
  margin-right: 8px;
}

.related-links-item {
  display: inline-block;
  padding: 8px 16px;
  font-size: 14px;
  color: #c6bdb1;
  border: 1px solid rgba(245, 239, 232, 0.15);
  border-radius: 4px;
  min-height: 40px;
  line-height: 24px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.related-links-item:hover {
  color: #e8a33d;
  border-color: #e8a33d;
}

/* ---------- 内页通用标题区 ---------- */
.page-title-block {
  margin-bottom: 48px;
}

.page-title-block p,
.page-title-area p,
.page-intro,
.page-lead {
  font-size: 16px;
  color: #c6bdb1;
  max-width: 800px;
  margin-top: 16px;
}

/* ---------- 关于团队 ---------- */
.team-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 80px;
}

.team-intro-media {
  border-radius: 8px;
  overflow: hidden;
}

.team-intro-media img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  border-radius: 8px;
}

.team-intro-text h2 {
  margin-bottom: 16px;
}

.team-intro-text p {
  font-size: 15px;
  line-height: 1.75;
  margin-bottom: 12px;
  color: #c6bdb1;
}

.function-groups {
  margin-bottom: 80px;
}

.function-groups > h2,
.function-groups > .section-lead {
  margin-bottom: 32px;
}

.section-lead {
  font-size: 16px;
  color: #c6bdb1;
  max-width: 720px;
  margin-bottom: 32px;
}

.group-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.group-card {
  background-color: rgba(245, 239, 232, 0.03);
  border: 1px solid rgba(245, 239, 232, 0.08);
  border-radius: 8px;
  padding: 24px;
}

.group-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.group-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(232, 163, 61, 0.12);
  border-radius: 6px;
  font-size: 18px;
  color: #e8a33d;
}

.group-card-head h3 {
  font-size: 18px;
}

.group-list li {
  font-size: 14px;
  color: #c6bdb1;
  line-height: 1.6;
  padding: 6px 0;
  position: relative;
  padding-left: 16px;
}

.group-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 6px;
  height: 6px;
  background-color: #e8a33d;
  border-radius: 50%;
}

.collab-mechanism {
  margin-bottom: 80px;
}

.collab-mechanism h2 {
  margin-bottom: 16px;
}

.collab-mechanism > p {
  font-size: 16px;
  color: #c6bdb1;
  max-width: 720px;
  margin-bottom: 32px;
}

.collab-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.collab-list li {
  background-color: rgba(245, 239, 232, 0.03);
  border: 1px solid rgba(245, 239, 232, 0.08);
  border-radius: 8px;
  padding: 20px 24px;
  font-size: 15px;
  color: #c6bdb1;
  line-height: 1.6;
}

.service-boundary {
  margin-bottom: 80px;
}

.service-boundary h2 {
  margin-bottom: 16px;
}

.service-boundary > p {
  font-size: 16px;
  color: #c6bdb1;
  max-width: 720px;
  margin-bottom: 32px;
}

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

.boundary-list li {
  background-color: rgba(245, 239, 232, 0.03);
  border: 1px solid rgba(245, 239, 232, 0.08);
  border-radius: 8px;
  padding: 16px 20px;
  font-size: 15px;
  color: #c6bdb1;
  line-height: 1.6;
}

/* ---------- 相关页面卡片 ---------- */
.related-pages {
  margin-bottom: 80px;
}

.related-pages h2 {
  margin-bottom: 32px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.related-card {
  display: block;
  background-color: rgba(245, 239, 232, 0.03);
  border: 1px solid rgba(245, 239, 232, 0.08);
  border-radius: 8px;
  padding: 24px;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.related-card:hover {
  border-color: #e8a33d;
  background-color: rgba(232, 163, 61, 0.06);
}

.related-card h3 {
  font-size: 18px;
  color: #f5efe8;
  margin-bottom: 8px;
}

.related-card p {
  font-size: 14px;
  color: #c6bdb1;
  line-height: 1.6;
}

/* ---------- 核心业务页 ---------- */
.service-overview {
  margin-bottom: 80px;
}

.service-overview h2 {
  margin-bottom: 16px;
}

.service-overview > p {
  font-size: 16px;
  color: #c6bdb1;
  max-width: 720px;
  margin-bottom: 32px;
}

.service-group-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.service-group-nav a {
  display: inline-block;
  padding: 10px 24px;
  background-color: rgba(245, 239, 232, 0.04);
  border: 1px solid rgba(245, 239, 232, 0.12);
  border-radius: 6px;
  font-size: 15px;
  color: #c6bdb1;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.service-group-nav a:hover {
  color: #e8a33d;
  border-color: #e8a33d;
}

.service-group-cards {
  margin-bottom: 80px;
}

.service-group-cards h2 {
  margin-bottom: 32px;
}

.service-card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background-color: rgba(245, 239, 232, 0.03);
  border: 1px solid rgba(245, 239, 232, 0.08);
  border-radius: 8px;
  overflow: hidden;
}

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

.service-card h3 {
  font-size: 17px;
  padding: 16px 20px 4px;
}

.service-card > p {
  font-size: 14px;
  color: #c6bdb1;
  padding: 0 20px 12px;
  line-height: 1.6;
}

.service-card ul {
  padding: 0 20px 20px;
}

.service-card ul li {
  font-size: 14px;
  color: #c6bdb1;
  padding: 4px 0;
  position: relative;
  padding-left: 14px;
}

.service-card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 5px;
  height: 5px;
  background-color: #e8a33d;
  border-radius: 50%;
}

.service-detail-list {
  margin-bottom: 80px;
}

.service-detail-list > h2 {
  margin-bottom: 48px;
}

.service-detail-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 64px;
}

.service-detail-row:nth-child(even) {
  direction: rtl;
}

.service-detail-row:nth-child(even) > * {
  direction: ltr;
}

.service-detail-row img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: 8px;
}

.service-detail-content h3 {
  font-size: 24px;
  margin-bottom: 12px;
}

.service-detail-content > p {
  font-size: 15px;
  color: #c6bdb1;
  margin-bottom: 20px;
  line-height: 1.75;
}

.service-detail-content h4 {
  font-size: 16px;
  color: #e8a33d;
  margin-bottom: 8px;
}

.service-detail-content h4 + p {
  font-size: 14px;
  color: #c6bdb1;
  margin-bottom: 16px;
}

.service-detail-content ul {
  margin-bottom: 8px;
}

.service-detail-content ul li {
  font-size: 14px;
  color: #c6bdb1;
  padding: 4px 0;
  position: relative;
  padding-left: 16px;
}

.service-detail-content ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  background-color: #e8a33d;
  border-radius: 50%;
}

.delivery-types {
  margin-bottom: 80px;
}

.delivery-types h2 {
  margin-bottom: 32px;
}

.delivery-card-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.delivery-card {
  background-color: rgba(245, 239, 232, 0.03);
  border: 1px solid rgba(245, 239, 232, 0.08);
  border-radius: 8px;
  padding: 24px;
}

.delivery-card h3 {
  font-size: 18px;
  color: #e8a33d;
  margin-bottom: 12px;
}

.delivery-card p {
  font-size: 14px;
  color: #c6bdb1;
  line-height: 1.6;
}

.scenario-matching {
  margin-bottom: 80px;
}

.scenario-matching h2 {
  margin-bottom: 32px;
}

.scenario-table-wrap {
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid rgba(245, 239, 232, 0.1);
}

.scenario-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.scenario-table th {
  background-color: rgba(232, 163, 61, 0.1);
  color: #f5efe8;
  font-weight: 700;
  text-align: left;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(245, 239, 232, 0.1);
}

.scenario-table td {
  padding: 16px 20px;
  color: #c6bdb1;
  border-bottom: 1px solid rgba(245, 239, 232, 0.06);
  line-height: 1.6;
}

.scenario-table tbody tr:last-child td {
  border-bottom: none;
}

.scenario-note {
  font-size: 14px;
  color: #8a7a6a;
  margin-top: 16px;
}

.related-card-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ---------- 工作方式页 ---------- */
.method-overview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 80px;
}

.method-overview-text h2 {
  margin-bottom: 16px;
}

.method-overview-text p {
  font-size: 15px;
  color: #c6bdb1;
  line-height: 1.75;
  margin-bottom: 12px;
}

.method-overview-media {
  border-radius: 8px;
  overflow: hidden;
}

.method-overview-media img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: 8px;
}

.phase-cards {
  margin-bottom: 80px;
}

.phase-cards h2 {
  margin-bottom: 32px;
}

.phase-card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.phase-card {
  background-color: rgba(245, 239, 232, 0.03);
  border: 1px solid rgba(245, 239, 232, 0.08);
  border-radius: 8px;
  padding: 24px;
}

.phase-number {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: #e8a33d;
  background-color: rgba(232, 163, 61, 0.12);
  border-radius: 4px;
  padding: 4px 12px;
  margin-bottom: 16px;
}

.phase-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.phase-card p {
  font-size: 14px;
  color: #c6bdb1;
  line-height: 1.6;
}

.phase-details {
  margin-bottom: 80px;
}

.phase-details > h2 {
  margin-bottom: 48px;
}

.phase-detail-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 64px;
}

.phase-detail-media {
  border-radius: 8px;
  overflow: hidden;
}

.phase-detail-media img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: 8px;
}

.phase-detail-content h3 {
  font-size: 24px;
  margin-bottom: 12px;
}

.phase-detail-content > p {
  font-size: 15px;
  color: #c6bdb1;
  line-height: 1.75;
  margin-bottom: 20px;
}

.phase-output {
  background-color: rgba(245, 239, 232, 0.03);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 16px;
}

.phase-output h4 {
  font-size: 15px;
  color: #e8a33d;
  margin-bottom: 8px;
}

.phase-output ul li {
  font-size: 14px;
  color: #c6bdb1;
  padding: 4px 0;
  position: relative;
  padding-left: 16px;
}

.phase-output ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 5px;
  height: 5px;
  background-color: #e8a33d;
  border-radius: 50%;
}

.phase-timing {
  font-size: 14px;
  color: #8a7a6a;
  font-style: italic;
}

.client-checklist {
  margin-bottom: 80px;
}

.client-checklist h2 {
  margin-bottom: 16px;
}

.client-checklist > p {
  font-size: 16px;
  color: #c6bdb1;
  max-width: 720px;
  margin-bottom: 32px;
}

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

.checklist-list li {
  background-color: rgba(245, 239, 232, 0.03);
  border: 1px solid rgba(245, 239, 232, 0.08);
  border-radius: 8px;
  padding: 16px 20px;
  font-size: 15px;
  color: #c6bdb1;
  line-height: 1.6;
  position: relative;
  padding-left: 44px;
}

.checklist-list li::before {
  content: "✓";
  position: absolute;
  left: 16px;
  top: 14px;
  color: #e8a33d;
  font-weight: 700;
}

.communication-rules {
  margin-bottom: 80px;
}

.communication-rules h2 {
  margin-bottom: 16px;
}

.communication-rules > p {
  font-size: 16px;
  color: #c6bdb1;
  max-width: 720px;
  margin-bottom: 32px;
}

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

.rules-list li {
  background-color: rgba(245, 239, 232, 0.03);
  border: 1px solid rgba(245, 239, 232, 0.08);
  border-radius: 8px;
  padding: 16px 20px;
  font-size: 15px;
  color: #c6bdb1;
  line-height: 1.6;
}

.related-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ---------- 内容参考页 ---------- */
.catalog-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 64px;
}

.catalog-intro-text h2 {
  margin-bottom: 16px;
}

.catalog-intro-text p {
  font-size: 15px;
  color: #c6bdb1;
  line-height: 1.75;
  margin-bottom: 12px;
}

.catalog-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 64px;
}

.catalog-tab {
  display: inline-block;
  padding: 10px 24px;
  background-color: rgba(245, 239, 232, 0.04);
  border: 1px solid rgba(245, 239, 232, 0.12);
  border-radius: 6px;
  font-size: 15px;
  color: #c6bdb1;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.catalog-tab:hover {
  color: #e8a33d;
  border-color: #e8a33d;
}

.catalog-entries {
  margin-bottom: 80px;
}

.catalog-entry {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 72px;
}

.catalog-entry:nth-child(even) {
  direction: rtl;
}

.catalog-entry:nth-child(even) > * {
  direction: ltr;
}

.entry-figure {
  border-radius: 8px;
  overflow: hidden;
}

.entry-figure img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: 8px;
}

.entry-caption h2 {
  font-size: 24px;
  margin-bottom: 8px;
}

.entry-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: #e8a33d;
  background-color: rgba(232, 163, 61, 0.12);
  border-radius: 4px;
  padding: 4px 12px;
  margin-bottom: 16px;
}

.entry-list {
  margin-bottom: 16px;
}

.entry-list li {
  font-size: 15px;
  color: #c6bdb1;
  padding: 4px 0;
  position: relative;
  padding-left: 16px;
  line-height: 1.6;
}

.entry-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  background-color: #e8a33d;
  border-radius: 50%;
}

.entry-usage {
  font-size: 14px;
  color: #8a7a6a;
  line-height: 1.6;
}

.production-notes {
  margin-bottom: 80px;
}

.production-notes h2 {
  margin-bottom: 16px;
}

.production-notes > p {
  font-size: 16px;
  color: #c6bdb1;
  max-width: 720px;
  margin-bottom: 32px;
}

.standard-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.standard-list li {
  background-color: rgba(245, 239, 232, 0.03);
  border: 1px solid rgba(245, 239, 232, 0.08);
  border-radius: 8px;
  padding: 20px 24px;
  font-size: 15px;
  color: #c6bdb1;
  line-height: 1.6;
}

.usage-advice {
  margin-bottom: 80px;
}

.usage-advice h2 {
  margin-bottom: 16px;
}

.usage-advice > p {
  font-size: 16px;
  color: #c6bdb1;
  max-width: 720px;
  margin-bottom: 32px;
}

.advice-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.advice-list li {
  background-color: rgba(245, 239, 232, 0.03);
  border: 1px solid rgba(245, 239, 232, 0.08);
  border-radius: 8px;
  padding: 20px 24px;
  font-size: 15px;
  color: #c6bdb1;
  line-height: 1.6;
  position: relative;
  padding-left: 48px;
}

.advice-list li::before {
  content: attr(data-num);
  position: absolute;
  left: 16px;
  top: 18px;
  font-size: 14px;
  font-weight: 700;
  color: #e8a33d;
}

/* ---------- 联系页 ---------- */
.contact-intro-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 80px;
}

.intro-copy h2 {
  margin-bottom: 16px;
}

.intro-copy p {
  font-size: 15px;
  color: #c6bdb1;
  line-height: 1.75;
  margin-bottom: 12px;
}

.intro-media {
  border-radius: 8px;
  overflow: hidden;
}

.intro-media img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: 8px;
}

.intro-media figcaption {
  font-size: 13px;
  color: #8a7a6a;
  padding: 8px 4px 0;
  text-align: center;
}

.preparation-checklist {
  margin-bottom: 80px;
}

.preparation-checklist h2 {
  margin-bottom: 16px;
}

.section-desc {
  font-size: 16px;
  color: #c6bdb1;
  max-width: 720px;
  margin-bottom: 32px;
}

.checklist-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.checklist-item {
  background-color: rgba(245, 239, 232, 0.03);
  border: 1px solid rgba(245, 239, 232, 0.08);
  border-radius: 8px;
  padding: 24px;
}

.checklist-item h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.checklist-item p {
  font-size: 14px;
  color: #c6bdb1;
  line-height: 1.6;
  margin-bottom: 12px;
}

.prepare-tag {
  display: inline-block;
  font-size: 13px;
  color: #e8a33d;
  background-color: rgba(232, 163, 61, 0.1);
  border-radius: 4px;
  padding: 4px 12px;
}

.next-steps {
  margin-bottom: 80px;
}

.next-steps h2 {
  margin-bottom: 16px;
}

.steps-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.steps-list .step-item {
  background-color: rgba(245, 239, 232, 0.03);
  border: 1px solid rgba(245, 239, 232, 0.08);
  border-radius: 8px;
  padding: 24px;
}

.steps-list .step-item h3 {
  font-size: 17px;
  color: #e8a33d;
  margin-bottom: 8px;
}

.steps-list .step-item p {
  font-size: 14px;
  color: #c6bdb1;
  line-height: 1.6;
}

/* ---------- 404 ---------- */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px;
  background-color: #1f1b16;
}

.error-section {
  text-align: center;
  max-width: 640px;
}

.error-code {
  font-size: 80px;
  font-weight: 700;
  color: #e8a33d;
  line-height: 1;
  margin-bottom: 24px;
}

.error-title {
  font-size: 32px;
  margin-bottom: 16px;
}

.error-desc {
  font-size: 16px;
  color: #c6bdb1;
  margin-bottom: 32px;
}

.error-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* =========================================================
   responsive
   ========================================================= */
@media (max-width: 1024px) {
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

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

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

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

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

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

@media (max-width: 768px) {
  .site-header {
    position: relative;
  }

  .header-top-inner {
    padding: 12px 16px;
  }

  .header-nav {
    padding: 0 16px;
    min-height: 56px;
    flex-wrap: wrap;
  }

  .nav-list {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 0 16px;
    background-color: #1f1b16;
  }

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

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

  .nav-link {
    display: block;
    padding: 14px 16px;
    font-size: 16px;
    border-radius: 4px;
  }

  .btn-cta {
    margin-left: auto;
    margin-right: 8px;
    padding: 8px 20px;
    font-size: 14px;
    min-height: 44px;
  }

  .menu-toggle {
    display: flex;
  }

  .hero-section {
    padding: 48px 0 40px;
  }

  .hero-layout {
    padding: 0 16px;
  }

  .hero-copy h1 {
    font-size: 30px;
  }

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

  .featured-services {
    padding: 56px 16px;
  }

  .exhibit-row {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 48px;
  }

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

  .exhibit-media img {
    height: 240px;
  }

  .process-summary {
    padding: 56px 0;
  }

  .process-summary .section-heading,
  .process-summary > .text-link {
    padding-left: 16px;
    padding-right: 16px;
  }

  .process-steps {
    grid-template-columns: 1fr 1fr;
    padding: 0 16px;
    gap: 16px;
  }

  .works-preview {
    padding: 56px 16px;
  }

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

  .faq-section {
    padding: 0 16px 56px;
  }

  .contact-cta-section {
    padding: 56px 16px;
  }

  .related-links {
    padding: 32px 16px 0;
  }

  .inner-main {
    padding: 0 16px;
  }

  .breadcrumb {
    padding-top: 20px;
  }

  .page-header {
    padding: 8px 0 28px;
    margin-bottom: 32px;
  }

  .page-title {
    font-size: 30px;
  }

  .team-intro {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 56px;
  }

  .team-intro-media img {
    height: 240px;
  }

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

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

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

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

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

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

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

  .service-detail-row {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .service-detail-row:nth-child(even) {
    direction: ltr;
  }

  .service-detail-row img {
    height: 240px;
  }

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

  .method-overview {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .method-overview-media img {
    height: 240px;
  }

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

  .phase-detail-row {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .phase-detail-media img {
    height: 240px;
  }

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

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

  .catalog-intro {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .catalog-entry {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .catalog-entry:nth-child(even) {
    direction: ltr;
  }

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

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

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

  .contact-intro-block {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .intro-media img {
    height: 240px;
  }

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

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

  .footer-columns {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 0 16px;
  }

  .footer-bottom {
    padding: 24px 16px 32px;
    margin-top: 32px;
  }

  .error-main {
    padding: 80px 16px;
  }

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

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

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

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

  .cta-button-group {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-button-group .btn-primary,
  .cta-button-group .btn-secondary {
    text-align: center;
  }

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

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