/* ==========================================================================
   base
   ========================================================================== */

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

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

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, Helvetica, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: #4a4f57;
  background-color: #f6f7f9;
}

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

a {
  color: #1f6feb;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

p {
  margin: 0 0 1em;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 0.5em;
  font-weight: 600;
  color: #14161a;
  line-height: 1.4;
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
  color: inherit;
}

figure {
  margin: 0;
}

/* ==========================================================================
   layout
   ========================================================================== */

.site-header {
  background-color: #ffffff;
  border-bottom: 1px solid #e8eaed;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 16px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  color: #14161a;
}

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

.brand-name {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0;
}

.site-nav .nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav .nav-list a {
  display: block;
  padding: 8px 14px;
  font-size: 14px;
  color: #4a4f57;
  border-radius: 6px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, background-color 0.15s ease;
}

.site-nav .nav-list a:hover {
  color: #14161a;
  background-color: #f6f7f9;
  text-decoration: none;
}

.site-nav .nav-list a.is-current {
  color: #14161a;
  font-weight: 600;
  border-bottom-color: #1f6feb;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border-radius: 6px;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: #14161a;
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

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

.site-main.inner-main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px 56px;
}

.breadcrumb {
  padding: 20px 0 0;
  font-size: 13px;
  color: #9aa1a9;
}

.breadcrumb a {
  color: #9aa1a9;
}

.breadcrumb a:hover {
  color: #1f6feb;
}

.breadcrumb-sep {
  margin: 0 8px;
  color: #c3c8cf;
}

.breadcrumb-current {
  color: #4a4f57;
}

.page-header {
  padding: 20px 0 28px;
  border-bottom: 1px solid #e8eaed;
  margin-bottom: 36px;
}

.page-title {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 0;
}

.page-description {
  margin-top: 8px;
  margin-bottom: 0;
  font-size: 15px;
  color: #4a4f57;
  max-width: 720px;
}

.site-footer {
  background-color: #14161a;
  color: #9aa1a9;
  padding: 48px 0 0;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
}

.footer-col p {
  margin-bottom: 8px;
  font-size: 14px;
  line-height: 1.7;
}

.footer-brand {
  font-size: 18px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 12px;
}

.footer-heading {
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 12px;
}

.footer-col a {
  display: block;
  padding: 4px 0;
  font-size: 14px;
  color: #9aa1a9;
}

.footer-col a:hover {
  color: #ffffff;
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 40px;
  padding: 20px 16px;
  text-align: center;
  font-size: 13px;
  color: #9aa1a9;
}

.footer-bottom p {
  margin: 0;
}

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

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 24px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 500;
  transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary {
  background-color: #1f6feb;
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #185fd0;
  text-decoration: none;
}

.btn-secondary {
  background-color: #ffffff;
  color: #14161a;
  border: 1px solid #d4d8de;
}

.btn-secondary:hover {
  border-color: #1f6feb;
  color: #1f6feb;
  text-decoration: none;
}

.section-head {
  margin-bottom: 28px;
}

.section-head h2 {
  font-size: 24px;
  margin-bottom: 8px;
}

.section-head p {
  margin-bottom: 0;
  color: #4a4f57;
}

.section-title {
  font-size: 22px;
  margin-bottom: 16px;
}

.copy-link-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 6px 14px;
  font-size: 13px;
  color: #4a4f57;
  background-color: #f6f7f9;
  border: 1px solid #d4d8de;
  border-radius: 6px;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.copy-link-btn:hover {
  background-color: #eaf1fd;
  color: #1f6feb;
}

.copy-link-btn.is-copied {
  background-color: #eaf1fd;
  color: #1f6feb;
  border-color: #1f6feb;
}

/* ==========================================================================
   pages
   ========================================================================== */

/* ---------- 首页 ---------- */

.home-main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px 56px;
}

/* 首屏服务总览 */

.service-overview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 56px 0 64px;
}

.overview-copy h1 {
  font-size: 32px;
  line-height: 1.3;
  margin-bottom: 12px;
}

.overview-lead {
  font-size: 17px;
  color: #4a4f57;
  margin-bottom: 12px;
}

.overview-desc {
  color: #4a4f57;
  margin-bottom: 20px;
  max-width: 480px;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.service-tags li {
  display: inline-block;
  padding: 6px 14px;
  font-size: 13px;
  color: #14161a;
  background-color: #eaf1fd;
  border-radius: 6px;
}

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

.overview-media {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-figure {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.hero-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.benefit-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.benefit-list li {
  background-color: #ffffff;
  border: 1px solid #e8eaed;
  border-radius: 8px;
  padding: 16px;
  text-align: center;
  font-size: 13px;
  color: #4a4f57;
}

.benefit-list strong {
  display: block;
  font-size: 14px;
  color: #14161a;
  margin-bottom: 4px;
}

/* 服务目录 */

.service-catalog {
  padding: 48px 0;
}

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

.catalog-card {
  background-color: #ffffff;
  border: 1px solid #e8eaed;
  border-radius: 8px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.15s ease, transform 0.15s ease, border-color 0.15s ease;
}

.catalog-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
  border-color: #d4d8de;
}

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

.catalog-card p {
  font-size: 14px;
  color: #4a4f57;
  margin-bottom: 16px;
}

.catalog-card ul {
  margin-bottom: 20px;
  flex-grow: 1;
}

.catalog-card li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  color: #4a4f57;
  margin-bottom: 6px;
}

.catalog-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #1f6feb;
}

.card-link {
  font-size: 14px;
  font-weight: 500;
  color: #1f6feb;
}

.card-link:hover {
  text-decoration: underline;
}

/* 项目记录时间线 */

.record-timeline {
  padding: 48px 0;
}

.timeline-list {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.timeline-list::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: #e8eaed;
}

.timeline-item {
  position: relative;
  padding-left: 32px;
  display: grid;
  grid-template-columns: 220px 1fr auto;
  gap: 24px;
  align-items: start;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: #1f6feb;
  border: 2px solid #ffffff;
}

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

.timeline-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.timeline-content .record-type {
  display: inline-block;
  padding: 4px 10px;
  font-size: 12px;
  color: #1f6feb;
  background-color: #eaf1fd;
  border-radius: 4px;
  margin-bottom: 8px;
}

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

.timeline-content p {
  font-size: 14px;
  color: #4a4f57;
  margin-bottom: 12px;
}

.deliverable-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.deliverable-list li {
  display: inline-block;
  padding: 4px 10px;
  font-size: 12px;
  color: #4a4f57;
  background-color: #f6f7f9;
  border: 1px solid #e8eaed;
  border-radius: 4px;
}

.timeline-more {
  margin-top: 28px;
  text-align: center;
}

/* 拍摄方法四步条 */

.method-steps {
  padding: 48px 0;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.step-item {
  background-color: #ffffff;
  border: 1px solid #e8eaed;
  border-radius: 8px;
  padding: 20px;
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.step-item:hover {
  border-color: #1f6feb;
  box-shadow: 0 2px 8px rgba(31, 111, 235, 0.08);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background-color: #eaf1fd;
  color: #1f6feb;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
}

.step-item h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.step-item p {
  font-size: 14px;
  color: #4a4f57;
  margin-bottom: 0;
}

.method-more {
  margin-top: 24px;
  text-align: center;
}

/* 常见问题预览 */

.faq-preview {
  padding: 48px 0;
}

.faq-preview-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 720px;
}

.faq-item {
  background-color: #ffffff;
  border: 1px solid #e8eaed;
  border-radius: 8px;
  overflow: hidden;
}

.faq-item summary {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 500;
  color: #14161a;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 40px;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  color: #1f6feb;
  transition: transform 0.15s ease;
}

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

.faq-item p {
  padding: 0 20px 16px;
  margin: 0;
  font-size: 14px;
  color: #4a4f57;
}

.faq-more {
  margin-top: 24px;
}

/* 合作入口引导 */

.cooperation-entry {
  padding: 48px 0;
}

.entry-content {
  background-color: #ffffff;
  border: 1px solid #e8eaed;
  border-radius: 8px;
  padding: 32px;
  text-align: center;
}

.entry-content h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.entry-content p {
  color: #4a4f57;
  margin-bottom: 20px;
}

/* ---------- 内页通用 ---------- */

/* ---------- 内容服务页 ---------- */

.service-intro {
  margin-bottom: 40px;
}

.service-intro p {
  max-width: 720px;
}

.service-list {
  margin-bottom: 40px;
}

.service-item {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 24px;
  align-items: start;
  background-color: #ffffff;
  border: 1px solid #e8eaed;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 20px;
}

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

.service-applicable {
  display: inline-block;
  padding: 4px 10px;
  font-size: 12px;
  color: #1f6feb;
  background-color: #eaf1fd;
  border-radius: 4px;
  margin-bottom: 12px;
}

.service-content p {
  font-size: 14px;
  color: #4a4f57;
  margin-bottom: 8px;
}

.service-content strong {
  color: #14161a;
  font-weight: 600;
}

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

.service-item-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.service-item-media figcaption {
  padding: 8px 4px 0;
  font-size: 12px;
  color: #9aa1a9;
}

.service-boundaries {
  background-color: #ffffff;
  border: 1px solid #e8eaed;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 40px;
}

.boundary-list {
  margin-top: 12px;
}

.boundary-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: #4a4f57;
  margin-bottom: 8px;
}

.boundary-list li::before {
  content: "·";
  position: absolute;
  left: 4px;
  color: #1f6feb;
  font-weight: 600;
}

.boundary-note {
  font-size: 13px;
  color: #9aa1a9;
  margin-top: 12px;
  margin-bottom: 0;
}

.related-nav {
  background-color: #ffffff;
  border: 1px solid #e8eaed;
  border-radius: 8px;
  padding: 20px 24px;
}

.related-nav p {
  font-size: 14px;
  font-weight: 600;
  color: #14161a;
  margin-bottom: 12px;
}

.related-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.related-nav li a {
  display: inline-block;
  padding: 6px 14px;
  font-size: 13px;
  color: #4a4f57;
  background-color: #f6f7f9;
  border: 1px solid #e8eaed;
  border-radius: 6px;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.related-nav li a:hover {
  background-color: #eaf1fd;
  color: #1f6feb;
  text-decoration: none;
}

/* ---------- 项目记录页 ---------- */

.record-types {
  margin-bottom: 40px;
}

.record-types-intro {
  max-width: 720px;
  margin-bottom: 16px;
}

.type-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.type-tag {
  display: inline-block;
  padding: 6px 14px;
  font-size: 13px;
  color: #14161a;
  background-color: #eaf1fd;
  border-radius: 6px;
}

.record-list {
  margin-bottom: 40px;
}

.record-item {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  background-color: #ffffff;
  border: 1px solid #e8eaed;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 20px;
}

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

.record-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.record-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.record-type-label {
  display: inline-block;
  padding: 4px 10px;
  font-size: 12px;
  color: #1f6feb;
  background-color: #eaf1fd;
  border-radius: 4px;
}

.record-time {
  font-size: 13px;
  color: #9aa1a9;
}

.record-title {
  font-size: 18px;
  margin-bottom: 8px;
}

.record-desc {
  font-size: 14px;
  color: #4a4f57;
  margin-bottom: 12px;
}

.record-link-wrap {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.record-page-link {
  font-size: 14px;
  color: #1f6feb;
}

.archive-note {
  background-color: #ffffff;
  border: 1px solid #e8eaed;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 40px;
}

.archive-note p {
  font-size: 14px;
  color: #4a4f57;
  margin-bottom: 0;
}

.archive-note a {
  color: #1f6feb;
}

.related-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 16px 0;
}

.related-links-label {
  font-size: 14px;
  font-weight: 600;
  color: #14161a;
}

.related-links-item {
  display: inline-block;
  padding: 6px 14px;
  font-size: 13px;
  color: #4a4f57;
  background-color: #ffffff;
  border: 1px solid #e8eaed;
  border-radius: 6px;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.related-links-item:hover {
  background-color: #eaf1fd;
  color: #1f6feb;
  text-decoration: none;
}

/* ---------- 拍摄方法页 ---------- */

.method-overview {
  margin-bottom: 40px;
}

.overview-content {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 32px;
  align-items: start;
}

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

.method-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.method-figure figcaption {
  padding: 8px 4px 0;
  font-size: 12px;
  color: #9aa1a9;
}

.overview-content p {
  font-size: 15px;
  color: #4a4f57;
  margin-bottom: 0;
}

.phases {
  margin-bottom: 40px;
}

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

.phase-item {
  background-color: #ffffff;
  border: 1px solid #e8eaed;
  border-radius: 8px;
  padding: 24px;
}

.phase-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background-color: #eaf1fd;
  color: #1f6feb;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
}

.phase-item h3 {
  font-size: 17px;
  margin-bottom: 12px;
}

.phase-item p {
  font-size: 14px;
  color: #4a4f57;
  margin-bottom: 6px;
}

.phase-item strong {
  color: #14161a;
  font-weight: 600;
}

.client-checklist {
  margin-bottom: 40px;
}

.checklist {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.checklist li {
  position: relative;
  padding: 16px 16px 16px 44px;
  background-color: #ffffff;
  border: 1px solid #e8eaed;
  border-radius: 8px;
  font-size: 14px;
  color: #4a4f57;
}

.checklist li::before {
  content: "✓";
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: #1f6feb;
  font-weight: 600;
}

.method-note {
  background-color: #ffffff;
  border: 1px solid #e8eaed;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 40px;
}

.method-note p {
  font-size: 14px;
  color: #4a4f57;
  margin-bottom: 0;
}

.method-note a {
  color: #1f6feb;
}

/* ---------- 常见问题页 ---------- */

.faq-intro {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 32px;
  align-items: center;
  margin-bottom: 40px;
}

.faq-intro-text p {
  font-size: 15px;
  color: #4a4f57;
  margin-bottom: 0;
}

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

.faq-intro-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.faq-groups {
  margin-bottom: 40px;
}

.faq-group {
  margin-bottom: 28px;
}

.faq-group h3 {
  font-size: 17px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid #e8eaed;
}

.faq-group .faq-item {
  margin-bottom: 10px;
}

.faq-note {
  background-color: #ffffff;
  border: 1px solid #e8eaed;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 40px;
}

.faq-note p {
  font-size: 14px;
  color: #4a4f57;
  margin-bottom: 0;
}

.faq-note a {
  color: #1f6feb;
}

/* ---------- 合作入口页 ---------- */

.cooperation-intro {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 32px;
  align-items: center;
  margin-bottom: 40px;
}

.intro-copy p {
  font-size: 15px;
  color: #4a4f57;
  margin-bottom: 0;
}

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

.intro-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.intro-media figcaption {
  padding: 8px 4px 0;
  font-size: 12px;
  color: #9aa1a9;
}

.cooperation-steps {
  margin-bottom: 40px;
}

.section-lead {
  font-size: 14px;
  color: #4a4f57;
  margin-bottom: 20px;
}

.cooperation-steps .steps-grid {
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.cooperation-steps .step-item {
  background-color: #ffffff;
  border: 1px solid #e8eaed;
  border-radius: 8px;
  padding: 20px;
}

.step-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.step-head .step-number {
  margin-bottom: 0;
}

.step-head h3 {
  font-size: 16px;
  margin-bottom: 0;
}

.step-body p {
  font-size: 14px;
  color: #4a4f57;
  margin-bottom: 8px;
}

.step-role strong {
  display: block;
  font-size: 13px;
  color: #14161a;
  margin-bottom: 2px;
}

.steps-note {
  margin-top: 16px;
  font-size: 13px;
  color: #9aa1a9;
}

.steps-note a {
  color: #1f6feb;
}

.preparation-list {
  margin-bottom: 40px;
}

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

.prep-item {
  background-color: #ffffff;
  border: 1px solid #e8eaed;
  border-radius: 8px;
  padding: 20px;
}

.prep-item h3 {
  font-size: 15px;
  margin-bottom: 8px;
  color: #14161a;
}

.prep-item p {
  font-size: 14px;
  color: #4a4f57;
  margin-bottom: 0;
}

.cooperation-boundary {
  background-color: #ffffff;
  border: 1px solid #e8eaed;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 40px;
}

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

.cooperation-boundary .boundary-list p {
  font-size: 14px;
  color: #4a4f57;
  margin-bottom: 0;
  padding-left: 20px;
  position: relative;
}

.cooperation-boundary .boundary-list p::before {
  content: "·";
  position: absolute;
  left: 4px;
  color: #1f6feb;
  font-weight: 600;
}

.cooperation-boundary .boundary-list strong {
  color: #14161a;
  font-weight: 600;
}

.cooperation-boundary .boundary-note {
  margin-top: 16px;
}

/* ---------- 404 页 ---------- */

.error-main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px 56px;
}

.error-content {
  text-align: center;
  padding: 80px 16px;
  background-color: #ffffff;
  border: 1px solid #e8eaed;
  border-radius: 8px;
  margin-top: 40px;
}

.error-code {
  font-size: 64px;
  font-weight: 600;
  color: #1f6feb;
  margin-bottom: 16px;
}

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

.error-content p {
  font-size: 15px;
  color: #4a4f57;
  margin-bottom: 24px;
}

.error-home-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 24px;
  border-radius: 6px;
  background-color: #1f6feb;
  color: #ffffff;
  font-size: 15px;
}

.error-home-link:hover {
  background-color: #185fd0;
  text-decoration: none;
}

/* ==========================================================================
   responsive
   ========================================================================== */

@media (max-width: 1024px) {
  .service-overview {
    gap: 32px;
  }

  .timeline-item {
    grid-template-columns: 180px 1fr auto;
    gap: 16px;
  }

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

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

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

@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
    min-height: 56px;
    padding: 8px 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    width: 100%;
  }

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

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

  .site-nav .nav-list a {
    padding: 12px 16px;
    border-bottom: none;
    border-left: 2px solid transparent;
  }

  .site-nav .nav-list a.is-current {
    border-left-color: #1f6feb;
    background-color: #f6f7f9;
  }

  .service-overview {
    grid-template-columns: 1fr;
    padding: 32px 0 40px;
    gap: 24px;
  }

  .overview-copy h1 {
    font-size: 26px;
  }

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

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

  .timeline-item {
    grid-template-columns: 1fr;
    padding-left: 24px;
    gap: 12px;
  }

  .timeline-media {
    max-width: 280px;
  }

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

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

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

  .service-item-media {
    max-width: 320px;
  }

  .record-item {
    grid-template-columns: 1fr;
  }

  .record-media {
    max-width: 280px;
  }

  .overview-content {
    grid-template-columns: 1fr;
  }

  .method-figure {
    max-width: 320px;
  }

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

  .faq-intro {
    grid-template-columns: 1fr;
  }

  .faq-intro-media {
    max-width: 320px;
  }

  .cooperation-intro {
    grid-template-columns: 1fr;
  }

  .intro-media {
    max-width: 320px;
  }

  .prep-items {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

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

  .page-header {
    padding: 16px 0 20px;
    margin-bottom: 24px;
  }

  .page-title {
    font-size: 24px;
  }

  .site-main.inner-main {
    padding-bottom: 40px;
  }
}

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

  .timeline-item::before {
    left: -5px;
  }

  .timeline-list::before {
    left: 0;
  }

  .catalog-card {
    padding: 20px;
  }

  .service-item,
  .record-item {
    padding: 20px;
  }

  .phase-item {
    padding: 20px;
  }

  .entry-content {
    padding: 24px 20px;
  }

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

  .error-content {
    padding: 48px 16px;
  }

  .error-code {
    font-size: 48px;
  }
}