/* ==========================================================================
   base / 基础样式
   ========================================================================== */

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

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

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: #334155;
  background-color: #F6F7F9;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: #1F2A3A;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #F59E0B;
}

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;
  color: #1F2A3A;
  line-height: 1.4;
  font-weight: 700;
}

figure {
  margin: 0;
}

dl, dd {
  margin: 0;
}

table {
  border-collapse: collapse;
  width: 100%;
}

/* ==========================================================================
   layout / 全站布局骨架
   ========================================================================== */

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

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

.inner-main {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 64px;
}

/* ==========================================================================
   components / 页头与导航
   ========================================================================== */

.site-header {
  background-color: #1F2A3A;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
  padding: 8px 0;
}

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

.brand:hover .brand-name {
  color: #F59E0B;
}

.brand-tagline {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 2px;
}

.main-nav ul {
  display: flex;
  gap: 4px;
}

.main-nav a {
  display: block;
  padding: 10px 16px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  border-radius: 4px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.main-nav a:hover {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.08);
}

.main-nav a.is-current {
  color: #F59E0B;
  font-weight: 600;
}

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 10px;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #ffffff;
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ==========================================================================
   components / 面包屑
   ========================================================================== */

.breadcrumb,
.breadcrumb-nav {
  background-color: #ffffff;
  border-bottom: 1px solid #E2E8F0;
}

.breadcrumb-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 24px;
}

.breadcrumb ol,
.breadcrumb-nav ol {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: #64748B;
}

.breadcrumb a,
.breadcrumb-nav a {
  color: #64748B;
}

.breadcrumb a:hover,
.breadcrumb-nav a:hover {
  color: #F59E0B;
}

.breadcrumb-sep {
  color: #94A3B8;
  margin: 0 2px;
}

.breadcrumb-current {
  color: #1F2A3A;
  font-weight: 500;
}

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

.btn-primary {
  display: inline-block;
  padding: 12px 28px;
  background-color: #F59E0B;
  color: #1F2A3A;
  font-size: 16px;
  font-weight: 600;
  border-radius: 6px;
  border: 1px solid #F59E0B;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.btn-primary:hover {
  background-color: #d97706;
  border-color: #d97706;
  color: #ffffff;
}

.btn-secondary {
  display: inline-block;
  padding: 10px 24px;
  background-color: transparent;
  color: #1F2A3A;
  font-size: 15px;
  font-weight: 500;
  border-radius: 6px;
  border: 1px solid #1F2A3A;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.btn-secondary:hover {
  background-color: #1F2A3A;
  color: #ffffff;
}

/* ==========================================================================
   components / 首页通用区块头
   ========================================================================== */

.section-head {
  margin-bottom: 40px;
}

.section-no {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: #F59E0B;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.section-head h2 {
  font-size: 26px;
  margin-bottom: 8px;
}

.section-head p {
  color: #64748B;
  font-size: 15px;
  max-width: 640px;
}

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

.site-footer {
  background-color: #1F2A3A;
  color: rgba(255, 255, 255, 0.75);
  margin-top: auto;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.footer-head {
  font-size: 16px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-brand {
  font-size: 20px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
}

.footer-slogan {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
}

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

.footer-col a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
  line-height: 1.7;
}

.footer-col a:hover {
  color: #F59E0B;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 16px 24px;
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

/* ==========================================================================
   components / 相关链接
   ========================================================================== */

.related-links {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 20px;
  background-color: #ffffff;
  border-top: 1px solid #E2E8F0;
}

.related-links-label {
  font-size: 14px;
  font-weight: 600;
  color: #1F2A3A;
}

.related-links-item {
  font-size: 14px;
  color: #64748B;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}

.related-links-item:hover {
  color: #F59E0B;
  border-bottom-color: #F59E0B;
}

/* ==========================================================================
   components / 图片与媒体
   ========================================================================== */

.content-media img,
.hero-figure img,
.guide-figure img,
.schedule-media img,
.team-figure img,
.devlog-intro-media img,
.title-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 6px;
}

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

/* --- hero --- */

.hero {
  background-color: #ffffff;
  border-bottom: 1px solid #E2E8F0;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-copy h1 {
  font-size: 34px;
  line-height: 1.35;
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 16px;
  color: #64748B;
  margin-bottom: 28px;
  max-width: 480px;
}

.hero-figure {
  margin-bottom: 20px;
}

.hero-figure img {
  border-radius: 8px;
}

.hero-figure figcaption {
  font-size: 13px;
  color: #94A3B8;
  margin-top: 8px;
  line-height: 1.5;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.filter-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: #1F2A3A;
  margin-bottom: 8px;
  width: 100%;
}

.filter-btn {
  display: inline-block;
  padding: 8px 16px;
  font-size: 14px;
  color: #334155;
  background-color: #F6F7F9;
  border: 1px solid #E2E8F0;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.filter-btn:hover,
.filter-btn.is-active {
  background-color: #1F2A3A;
  border-color: #1F2A3A;
  color: #ffffff;
}

.update-list li {
  font-size: 14px;
  color: #64748B;
  padding: 8px 0;
  border-bottom: 1px dashed #E2E8F0;
}

.update-list li:last-child {
  border-bottom: 0;
}

/* --- brand-guide --- */

.brand-guide {
  background-color: #F6F7F9;
  padding: 64px 0;
}

.brand-guide .section-head {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 24px;
}

.guide-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.guide-card {
  background-color: #ffffff;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  padding: 28px;
}

.guide-card h3 {
  font-size: 20px;
  margin-bottom: 16px;
}

.guide-card p {
  font-size: 14px;
  color: #64748B;
  margin-bottom: 0;
}

.color-sample {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.color-chip {
  width: 48px;
  height: 48px;
  border-radius: 6px;
  border: 1px solid #E2E8F0;
}

.chip-primary {
  background-color: #1F2A3A;
}

.chip-accent {
  background-color: #F59E0B;
}

.chip-bg {
  background-color: #F6F7F9;
}

.chip-text {
  background-color: #334155;
}

.guide-figure {
  margin-bottom: 16px;
}

.guide-figure img {
  border-radius: 6px;
}

/* --- service-index --- */

.service-index {
  background-color: #ffffff;
  padding: 64px 0;
}

.service-index .section-head {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 24px;
}

.index-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  align-items: start;
}

.index-nav ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: sticky;
  top: 88px;
}

.index-nav a {
  display: block;
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 500;
  color: #334155;
  border-radius: 6px;
  border-left: 3px solid transparent;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.index-nav a:hover {
  background-color: #F6F7F9;
  color: #1F2A3A;
  border-left-color: #F59E0B;
}

.index-item {
  padding: 24px 0;
  border-bottom: 1px solid #E2E8F0;
}

.index-item:last-child {
  border-bottom: 0;
}

.index-item h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.index-item p {
  font-size: 15px;
  color: #64748B;
  margin-bottom: 12px;
}

.index-item a {
  font-size: 14px;
  font-weight: 500;
  color: #F59E0B;
}

.index-item a:hover {
  color: #d97706;
}

/* --- timeline --- */

.timeline {
  background-color: #F6F7F9;
  padding: 64px 0;
}

.timeline .section-head {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 24px;
}

.schedule-table {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  background-color: #ffffff;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  overflow: hidden;
}

.schedule-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1.4fr;
  gap: 16px;
  padding: 18px 24px;
  border-bottom: 1px solid #E2E8F0;
  transition: background-color 0.2s ease;
}

.schedule-row:last-child {
  border-bottom: 0;
}

.schedule-row:hover {
  background-color: #F6F7F9;
}

.schedule-head {
  background-color: #1F2A3A;
  padding: 14px 24px;
}

.schedule-head span {
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
}

.col-stage {
  font-weight: 600;
  color: #1F2A3A;
}

.col-role {
  color: #334155;
}

.col-action {
  color: #64748B;
  font-size: 14px;
}

/* --- team-role --- */

.team-role {
  background-color: #ffffff;
  padding: 64px 0;
}

.team-role .section-head {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 24px;
}

.role-grid {
  max-width: 1200px;
  margin: 0 auto 32px;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.role-card {
  background-color: #F6F7F9;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  padding: 28px;
}

.role-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.role-card p {
  font-size: 14px;
  color: #64748B;
  margin-bottom: 0;
}

.link-more {
  display: block;
  text-align: center;
  font-size: 15px;
  font-weight: 500;
  color: #F59E0B;
}

.link-more:hover {
  color: #d97706;
}

/* --- faq --- */

.faq {
  background-color: #F6F7F9;
  padding: 64px 0;
}

.faq .section-head {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 24px;
}

.faq-grid {
  max-width: 1200px;
  margin: 0 auto 32px;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.faq-item {
  background-color: #ffffff;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  padding: 24px;
}

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

.faq-item p {
  font-size: 14px;
  color: #64748B;
  margin-bottom: 0;
}

/* --- feedback --- */

.feedback {
  background-color: #1F2A3A;
  padding: 56px 0;
}

.feedback-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: center;
}

.feedback-copy h2 {
  font-size: 26px;
  color: #ffffff;
  margin-bottom: 12px;
}

.feedback-copy p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 15px;
  margin-bottom: 0;
}

.feedback-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.feedback-links .btn-secondary {
  border-color: rgba(255, 255, 255, 0.6);
  color: #ffffff;
}

.feedback-links .btn-secondary:hover {
  background-color: #F59E0B;
  border-color: #F59E0B;
  color: #1F2A3A;
}

/* ==========================================================================
   pages / 内页通用标题区
   ========================================================================== */

.page-header {
  background-color: #ffffff;
  border-bottom: 1px solid #E2E8F0;
}

.page-title {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px;
  font-size: 34px;
  line-height: 1.35;
}

.page-title-block {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px 0;
}

.section-number,
.chapter-no,
.chapter-num {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: #F59E0B;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.page-lead,
.title-lead,
.lead {
  font-size: 16px;
  color: #64748B;
  max-width: 640px;
  margin-bottom: 0;
}

/* ==========================================================================
   pages / 核心服务页
   ========================================================================== */

.page-service {
  background-color: #F6F7F9;
}

.service-filter {
  background-color: #ffffff;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 32px;
}

.content-media-inline {
  margin-bottom: 20px;
}

.content-media-inline img {
  border-radius: 6px;
}

.content-media-inline figcaption {
  font-size: 13px;
  color: #94A3B8;
  margin-top: 8px;
}

.service-filter .filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.service-filter .filter-btn.is-active {
  background-color: #F59E0B;
  border-color: #F59E0B;
  color: #1F2A3A;
  font-weight: 600;
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 40px;
}

.service-item {
  background-color: #ffffff;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  padding: 32px;
  transition: border-color 0.2s ease;
}

.service-item:hover {
  border-color: #F59E0B;
}

.service-category {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: #F59E0B;
  background-color: rgba(245, 158, 11, 0.1);
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 12px;
}

.service-text h2 {
  font-size: 22px;
  margin-bottom: 12px;
}

.service-desc {
  font-size: 15px;
  color: #64748B;
  margin-bottom: 20px;
}

.service-meta {
  border-top: 1px solid #E2E8F0;
  padding-top: 16px;
}

.meta-row {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 12px;
  padding: 8px 0;
  font-size: 14px;
}

.meta-row dt {
  color: #1F2A3A;
  font-weight: 600;
}

.meta-row dd {
  color: #64748B;
}

.service-cta {
  background-color: #1F2A3A;
  border-radius: 8px;
  padding: 40px;
  margin-bottom: 40px;
}

.cta-title {
  font-size: 22px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.cta-text {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 20px;
}

.cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.cta-links a {
  display: inline-block;
  padding: 10px 24px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 500;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.cta-links a:first-child {
  background-color: #F59E0B;
  color: #1F2A3A;
}

.cta-links a:first-child:hover {
  background-color: #d97706;
  color: #ffffff;
}

.cta-links a:last-child {
  border: 1px solid rgba(255, 255, 255, 0.6);
  color: #ffffff;
}

.cta-links a:last-child:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

/* ==========================================================================
   pages / 合作流程页
   ========================================================================== */

.page-flow {
  background-color: #F6F7F9;
}

.schedule {
  background-color: #ffffff;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 32px;
}

.schedule-head {
  margin-bottom: 24px;
}

.schedule-head h2 {
  font-size: 26px;
  margin-bottom: 8px;
}

.schedule-head p {
  font-size: 15px;
  color: #64748B;
  margin-bottom: 0;
}

.schedule-media {
  margin-bottom: 24px;
}

.schedule-media img {
  border-radius: 6px;
}

.schedule-media figcaption {
  font-size: 13px;
  color: #94A3B8;
  margin-top: 8px;
}

.table-wrap {
  overflow-x: auto;
}

.table-wrap table {
  min-width: 640px;
}

.table-wrap th {
  background-color: #1F2A3A;
  color: #ffffff;
  font-size: 14px;
  font-weight: 600;
  text-align: left;
  padding: 14px 16px;
}

.table-wrap td {
  padding: 14px 16px;
  font-size: 14px;
  color: #334155;
  border-bottom: 1px solid #E2E8F0;
  vertical-align: top;
}

.table-wrap tbody tr {
  transition: background-color 0.2s ease;
}

.table-wrap tbody tr:hover {
  background-color: #F6F7F9;
}

.table-wrap tbody tr:last-child td {
  border-bottom: 0;
}

.notice {
  background-color: #ffffff;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 40px;
}

.notice h2 {
  font-size: 22px;
  margin-bottom: 12px;
}

.notice p {
  font-size: 15px;
  color: #64748B;
  margin-bottom: 20px;
}

.notice-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.notice-links a {
  display: inline-block;
  padding: 10px 24px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 500;
  border: 1px solid #1F2A3A;
  color: #1F2A3A;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.notice-links a:hover {
  background-color: #1F2A3A;
  color: #ffffff;
}

/* ==========================================================================
   pages / 创作团队页
   ========================================================================== */

.page-team {
  background-color: #F6F7F9;
}

.roles-inner {
  background-color: #ffffff;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 32px;
}

.roles-head {
  margin-bottom: 32px;
}

.roles-head h2 {
  font-size: 26px;
  margin-bottom: 8px;
}

.roles-head p {
  font-size: 15px;
  color: #64748B;
  margin-bottom: 0;
}

.role-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 32px;
  padding: 24px 0;
  border-bottom: 1px solid #E2E8F0;
}

.role-row:last-child {
  border-bottom: 0;
}

.role-name h3 {
  font-size: 20px;
  margin-bottom: 0;
  color: #1F2A3A;
}

.role-desc p {
  font-size: 15px;
  color: #64748B;
  margin-bottom: 8px;
}

.role-desc p:last-child {
  margin-bottom: 0;
}

.mechanism-inner {
  background-color: #ffffff;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 32px;
}

.mechanism-head {
  margin-bottom: 24px;
}

.mechanism-head h2 {
  font-size: 26px;
  margin-bottom: 8px;
}

.mechanism-head p {
  font-size: 15px;
  color: #64748B;
  margin-bottom: 0;
}

.mechanism-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.mechanism-col {
  background-color: #F6F7F9;
  border: 1px solid #E2E8F0;
  border-radius: 6px;
  padding: 24px;
}

.mechanism-col h3 {
  font-size: 18px;
  margin-bottom: 12px;
}

.mechanism-col p {
  font-size: 14px;
  color: #64748B;
  margin-bottom: 8px;
}

.mechanism-col p:last-child {
  margin-bottom: 0;
}

.team-visual {
  margin-bottom: 40px;
}

.visual-inner {
  background-color: #ffffff;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  padding: 24px;
}

.team-figure img {
  border-radius: 6px;
}

.team-figure figcaption {
  font-size: 13px;
  color: #94A3B8;
  margin-top: 8px;
}

/* ==========================================================================
   pages / 发展记录页
   ========================================================================== */

.page-devlog {
  background-color: #F6F7F9;
}

.devlog-intro {
  background-color: #ffffff;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 32px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 32px;
  align-items: center;
}

.devlog-intro-media img {
  border-radius: 6px;
}

.devlog-intro-text h2 {
  font-size: 24px;
  margin-bottom: 12px;
}

.devlog-intro-text p {
  font-size: 15px;
  color: #64748B;
  margin-bottom: 12px;
}

.devlog-intro-text p:last-child {
  margin-bottom: 0;
}

.devlog-timeline {
  background-color: #ffffff;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 32px;
}

.devlog-timeline > h2 {
  font-size: 26px;
  margin-bottom: 32px;
}

.timeline-list {
  position: relative;
  padding-left: 24px;
}

.timeline-list::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background-color: #E2E8F0;
}

.timeline-item {
  position: relative;
  padding: 0 0 32px 24px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-node {
  position: absolute;
  left: -24px;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: #F59E0B;
  border: 3px solid #ffffff;
  box-shadow: 0 0 0 2px #F59E0B;
  z-index: 1;
}

.timeline-phase {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #F59E0B;
  margin-bottom: 4px;
}

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

.timeline-context,
.timeline-impact {
  font-size: 14px;
  color: #64748B;
  margin-bottom: 6px;
}

.timeline-impact {
  color: #334155;
  font-weight: 500;
}

.devlog-current {
  background-color: #ffffff;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 40px;
}

.devlog-current > h2 {
  font-size: 26px;
  margin-bottom: 24px;
}

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

.current-card {
  background-color: #F6F7F9;
  border: 1px solid #E2E8F0;
  border-radius: 6px;
  padding: 24px;
}

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

.current-card p {
  font-size: 14px;
  color: #64748B;
  margin-bottom: 0;
}

.current-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.current-links a {
  display: inline-block;
  padding: 10px 24px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 500;
  border: 1px solid #1F2A3A;
  color: #1F2A3A;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.current-links a:hover {
  background-color: #1F2A3A;
  color: #ffffff;
}

/* ==========================================================================
   pages / 常见问题页
   ========================================================================== */

.page-faq {
  background-color: #F6F7F9;
}

.page-title-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}

.title-text .title-lead {
  margin-bottom: 0;
}

.title-media img {
  border-radius: 6px;
}

.faq-group-inner {
  background-color: #ffffff;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 32px;
}

.section-title {
  font-size: 20px;
  margin-bottom: 16px;
}

.group-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.group-tab {
  display: inline-block;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 500;
  color: #334155;
  background-color: #F6F7F9;
  border: 1px solid #E2E8F0;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.group-tab:hover {
  border-color: #1F2A3A;
}

.group-tab.is-active {
  background-color: #1F2A3A;
  border-color: #1F2A3A;
  color: #ffffff;
}

.faq-list-inner {
  background-color: #ffffff;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 32px;
}

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

.faq-accordion .faq-item {
  background-color: #F6F7F9;
  border: 1px solid #E2E8F0;
  border-radius: 6px;
  padding: 0;
  overflow: hidden;
}

.faq-accordion summary {
  padding: 18px 24px;
  font-size: 16px;
  font-weight: 600;
  color: #1F2A3A;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 48px;
  transition: background-color 0.2s ease;
}

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

.faq-accordion summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  font-weight: 400;
  color: #F59E0B;
  transition: transform 0.2s ease;
}

.faq-accordion details[open] summary {
  background-color: #ffffff;
}

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

.faq-answer {
  padding: 0 24px 18px;
}

.faq-answer p {
  font-size: 15px;
  color: #64748B;
  margin-bottom: 0;
}

.feedback-note {
  background-color: #ffffff;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 40px;
}

.feedback-note .feedback-inner {
  padding: 0;
}

.feedback-note .section-title {
  margin-bottom: 16px;
}

.feedback-content {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 32px;
  align-items: center;
}

.feedback-text p {
  font-size: 15px;
  color: #64748B;
  margin-bottom: 0;
}

.feedback-links a {
  display: inline-block;
  padding: 10px 24px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 500;
  border: 1px solid #1F2A3A;
  color: #1F2A3A;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.feedback-links a:hover {
  background-color: #1F2A3A;
  color: #ffffff;
}

/* ==========================================================================
   pages / 404 页
   ========================================================================== */

.site-error {
  background-color: #F6F7F9;
}

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

.error-section {
  text-align: center;
  padding: 48px 24px;
  max-width: 520px;
}

.error-code {
  font-size: 72px;
  font-weight: 700;
  color: #1F2A3A;
  line-height: 1;
  margin-bottom: 16px;
}

.error-section h1 {
  font-size: 26px;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 16px;
  color: #64748B;
  margin-bottom: 24px;
}

.error-home-link {
  display: inline-block;
  padding: 12px 32px;
  background-color: #1F2A3A;
  color: #ffffff;
  font-size: 16px;
  font-weight: 600;
  border-radius: 6px;
  transition: background-color 0.2s ease;
}

.error-home-link:hover {
  background-color: #F59E0B;
  color: #1F2A3A;
}

.error-help {
  margin-top: 24px;
  font-size: 14px;
  color: #64748B;
}

.error-help a {
  color: #F59E0B;
  font-weight: 500;
  margin: 0 6px;
}

.error-help a:hover {
  color: #d97706;
}

/* ==========================================================================
   utilities / 工具类
   ========================================================================== */

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

/* ==========================================================================
   responsive / 响应式
   ========================================================================== */

@media (max-width: 992px) {
  .guide-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .index-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .index-nav ul {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
  }

  .index-nav a {
    border-left: 0;
    border-bottom: 2px solid transparent;
  }

  .index-nav a:hover {
    border-left: 0;
    border-bottom-color: #F59E0B;
  }

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

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

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

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

@media (max-width: 768px) {
  .header-inner {
    min-height: 64px;
    padding: 0 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background-color: #1F2A3A;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .main-nav.is-open {
    max-height: 480px;
    overflow-y: auto;
  }

  .main-nav ul {
    flex-direction: column;
    padding: 8px 16px 16px;
    gap: 2px;
  }

  .main-nav a {
    padding: 14px 12px;
    border-radius: 6px;
    font-size: 16px;
  }

  .site-header {
    position: relative;
  }

  .hero-inner {
    padding: 40px 16px;
  }

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

  .brand-guide,
  .service-index,
  .timeline,
  .team-role,
  .faq {
    padding: 40px 0;
  }

  .guide-grid,
  .role-grid,
  .faq-grid,
  .current-grid,
  .mechanism-grid {
    grid-template-columns: 1fr;
  }

  .section-head {
    margin-bottom: 24px;
  }

  .section-head h2 {
    font-size: 22px;
  }

  .schedule-row {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 16px;
  }

  .schedule-head {
    display: none;
  }

  .role-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .inner-main {
    padding: 0 16px 40px;
  }

  .page-title {
    padding: 24px 16px;
    font-size: 26px;
  }

  .page-title-block,
  .page-title-inner {
    padding: 24px 16px 0;
  }

  .service-item,
  .schedule,
  .notice,
  .roles-inner,
  .mechanism-inner,
  .devlog-intro,
  .devlog-timeline,
  .devlog-current,
  .faq-group-inner,
  .faq-list-inner,
  .feedback-note {
    padding: 20px;
  }

  .service-filter {
    padding: 20px;
  }

  .content-media-inline {
    margin-bottom: 16px;
  }

  .meta-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .feedback-content {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

  .related-links {
    padding: 16px;
    gap: 8px 16px;
  }

  .breadcrumb ol,
  .breadcrumb-nav ol {
    padding: 10px 16px;
    font-size: 13px;
  }

  .breadcrumb-inner {
    padding: 10px 16px;
  }
}

@media (max-width: 480px) {
  .hero-inner {
    padding: 32px 16px;
  }

  .hero-copy h1 {
    font-size: 24px;
  }

  .guide-card,
  .role-card,
  .faq-item,
  .current-card,
  .mechanism-col {
    padding: 20px;
  }

  .service-item {
    padding: 20px 16px;
  }

  .cta-links,
  .notice-links,
  .current-links,
  .feedback-links {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-links a,
  .notice-links a,
  .current-links a,
  .feedback-links a {
    text-align: center;
  }

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

  .filter-group {
    gap: 6px;
  }

  .filter-btn {
    padding: 8px 12px;
    font-size: 13px;
  }
}