:root {
  --bg: #f5f4f2;
  --surface: #ffffff;
  --text: #1a1a1a;
  --text-soft: #5a5a5a;
  --accent: #8a6d3b;
  --accent-soft: #b79b6a;
  --line: #d8d5d0;
  --line-soft: #e6e3de;
  --shadow: 0 1px 2px rgba(26, 26, 26, 0.04), 0 8px 20px rgba(26, 26, 26, 0.05);
  --radius: 6px;
  --wrap: 1080px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  font-weight: 400;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text);
}

p {
  margin: 0;
}

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

a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease;
}

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

figure {
  margin: 0;
}

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

time {
  font-variant-numeric: tabular-nums;
}

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

/* ==========================================================================
   layout — 全站骨架
   ========================================================================== */

.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  flex: 0 0 auto;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--text);
  padding: 6px 0;
}

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

.site-nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: flex-end;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 26px;
}

.nav-list a {
  display: inline-block;
  padding: 8px 0;
  font-size: 15px;
  color: var(--text-soft);
  border-bottom: 2px solid transparent;
}

.nav-list a:hover {
  color: var(--text);
  border-bottom-color: var(--accent-soft);
}

.nav-list a.is-current {
  color: var(--text);
  font-weight: 600;
  border-bottom-color: var(--accent);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  position: relative;
}

.nav-toggle::before,
.nav-toggle::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 18px;
  height: 2px;
  background: var(--text);
  transform: translateX(-50%);
}

.nav-toggle::before {
  top: 15px;
  box-shadow: 0 6px 0 var(--text);
}

.nav-toggle::after {
  bottom: 15px;
}

.subnav {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.subnav-list {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.subnav-list a {
  display: inline-block;
  padding: 5px 12px;
  font-size: 13px;
  color: var(--text-soft);
  background: var(--bg);
  border: 1px solid var(--line-soft);
  border-radius: 999px;
}

.subnav-list a:hover {
  color: var(--accent);
  border-color: var(--accent-soft);
}

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

.inner-main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 28px 24px 64px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-soft);
  margin-bottom: 18px;
}

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

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

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

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

.page-header {
  padding-bottom: 26px;
  margin-bottom: 34px;
  border-bottom: 1px solid var(--line);
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

.page-description {
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
  max-width: 760px;
}

.page-lead {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
  max-width: 760px;
}

/* 通用 section 与标题 */

.section {
  margin-bottom: 56px;
}

.section:last-child {
  margin-bottom: 0;
}

.section-head {
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
}

.section-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
}

.section-desc,
.section-note,
.section-intro,
.section-lead {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
  max-width: 780px;
}

.subsection-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 14px;
}

/* 图片容器 */

.media-figure,
.about-figure,
.scene-figure,
.page-media {
  margin: 0 0 22px;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}

.media-figure img,
.about-figure img,
.scene-figure img,
.page-media img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  background: var(--line-soft);
}

.media-figure-wide img {
  height: 260px;
}

.media-caption,
.figure-caption,
.scene-caption,
.page-media figcaption {
  padding: 10px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-soft);
  border-top: 1px solid var(--line-soft);
}

/* ==========================================================================
   components — 通用按钮、列表、卡片、表格
   ========================================================================== */

.btn {
  display: inline-block;
  padding: 11px 22px;
  font-size: 15px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn-primary {
  background: var(--text);
  color: #ffffff;
  border-color: var(--text);
}

.btn-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* 通用条目列表（时间 / 对象 / 状态） */

.entry-list,
.schedule-list,
.result-list {
  border-top: 1px solid var(--line-soft);
}

.entry-item,
.schedule-item,
.result-item {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 12px;
  padding: 12px 2px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15px;
}

.entry-time,
.schedule-time,
.result-time {
  color: var(--text-soft);
  font-size: 14px;
}

.entry-object,
.schedule-object,
.result-object {
  color: var(--text);
  min-width: 0;
}

.entry-state,
.schedule-status,
.result-value {
  font-size: 13px;
  color: var(--accent);
  white-space: nowrap;
}

.schedule-status.is-open {
  color: #4a6b3f;
}

/* 通用卡片 */

.object-card,
.team-card,
.pageindex-card,
.related-item,
.type-item,
.rule-item,
.service-item,
.next-item,
.logic-block {
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.object-card:hover,
.team-card:hover,
.pageindex-card:hover,
.related-item:hover,
.type-item:hover,
.rule-item:hover,
.service-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: var(--line);
}

.object-name,
.team-name,
.pageindex-name,
.type-name,
.rule-name,
.service-name,
.flow-name,
.related-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
}

.object-desc,
.team-role,
.pageindex-desc,
.type-purpose,
.type-scene,
.rule-scope,
.service-audience,
.service-desc,
.flow-desc,
.related-desc,
.related-text,
.next-desc {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}

.object-link,
.team-link,
.pageindex-link,
.rule-link,
.service-link,
.flow-link,
.object-link a,
.related-item a {
  margin-top: 12px;
  display: inline-block;
  font-size: 14px;
  color: var(--accent);
  border-bottom: 1px solid transparent;
}

.object-link a:hover,
.team-link a:hover,
.pageindex-link a:hover,
.rule-link a:hover,
.service-link:hover,
.flow-link:hover,
.related-item a:hover {
  border-bottom-color: var(--accent);
}

/* 表格 */

.arch-table {
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: 14px;
}

.arch-table thead th {
  text-align: left;
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-soft);
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.arch-table tbody th {
  text-align: left;
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  border-bottom: 1px solid var(--line-soft);
  white-space: nowrap;
  vertical-align: top;
}

.arch-table tbody td {
  padding: 14px 16px;
  color: var(--text-soft);
  line-height: 1.7;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
}

.arch-table tbody tr:last-child th,
.arch-table tbody tr:last-child td {
  border-bottom: 0;
}

.arch-table tbody td a {
  color: var(--accent);
}

.arch-table tbody td a:hover {
  color: var(--text);
}

/* ==========================================================================
   header / footer 补充
   ========================================================================== */

.site-footer {
  margin-top: 64px;
  background: var(--surface);
  border-top: 1px solid var(--line);
}

.footer-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 44px 24px 28px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px 28px;
}

.footer-brand {
  min-width: 0;
}

.footer-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}

.footer-text {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-soft);
  max-width: 300px;
}

.footer-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}

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

.footer-list a {
  font-size: 13px;
  color: var(--text-soft);
}

.footer-list a:hover {
  color: var(--accent);
}

.footer-copy {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 16px 24px 32px;
  font-size: 12px;
  color: var(--text-soft);
  border-top: 1px solid var(--line-soft);
}

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

.topbar {
  background: var(--text);
  color: #f2f0ec;
}

.topbar-text {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 9px 24px;
  font-size: 13px;
  line-height: 1.6;
}

.home-main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px 24px;
}

/* 首页首屏 */

.hero {
  padding: 40px 0 36px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 52px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.hero-lead {
  min-width: 0;
}

.hero-kicker {
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}

.hero-title {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.28;
}

.hero-text {
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-soft);
  max-width: 520px;
}

.hero-actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-media {
  min-width: 0;
}

.hero-media .media-figure {
  margin-bottom: 0;
}

.hero-media .media-figure img {
  height: 340px;
}

.hero-summary {
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--line-soft);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
}

.summary-col {
  min-width: 0;
}

.summary-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line-soft);
}

.summary-list {
  border-top: 0;
}

.summary-list li {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: baseline;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
}

.summary-time {
  color: var(--text-soft);
  font-size: 13px;
}

.summary-object {
  min-width: 0;
}

.summary-state {
  font-size: 12px;
  color: var(--accent);
  white-space: nowrap;
}

.hero-index {
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.hero-index-label {
  font-size: 13px;
  color: var(--text-soft);
}

.hero-index-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-index-list a {
  display: inline-block;
  padding: 7px 14px;
  font-size: 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  background: var(--surface);
}

.hero-index-list a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* 首页栏目架构 */

.section-architecture .media-figure-wide {
  margin-bottom: 24px;
}

/* 首页赛程与结果 */

.schedule-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 36px;
}

.schedule-col {
  min-width: 0;
}

.col-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line-soft);
}

.col-more {
  margin-top: 14px;
  font-size: 14px;
}

.col-more a {
  color: var(--accent);
}

.col-more a:hover {
  color: var(--text);
}

/* 首页参与对象索引 */

.object-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.object-cards .object-card {
  padding: 20px 18px;
}

.object-cards .object-link a {
  color: var(--accent);
}

/* 首页流程节点 */

.flow-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  counter-reset: flow;
}

.flow-step {
  position: relative;
  min-width: 0;
  padding: 22px 18px 20px;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

.flow-step .flow-index {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 8px;
}

.flow-step .flow-name {
  font-size: 16px;
}

.flow-step .flow-col {
  margin-top: 8px;
  font-size: 13px;
  color: var(--accent);
}

.flow-step .flow-prep {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}

/* 首页站内页面索引 */

.pageindex-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.pageindex-card {
  padding: 20px 18px;
}

.pageindex-link a {
  color: var(--accent);
}

/* ==========================================================================
   pages — 组织介绍
   ========================================================================== */

.about-roles .section-intro,
.about-logic .section-intro,
.about-next .section-intro {
  margin-bottom: 22px;
}

.roles-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 36px;
  align-items: start;
}

.roles-col {
  min-width: 0;
}

.roles-list {
  border-top: 1px solid var(--line-soft);
}

.roles-item {
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.roles-name {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.roles-desc {
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}

.roles-map-col .about-figure {
  margin-bottom: 18px;
}

.roles-map-col .about-figure img {
  height: 220px;
}

.roles-map-list li {
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
}

.roles-map-list a {
  color: var(--accent);
}

.roles-map-list a:hover {
  color: var(--text);
}

.logic-layout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  align-items: start;
}

.logic-block {
  padding: 22px 20px;
}

.logic-block p + p {
  margin-top: 10px;
}

.logic-block p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-soft);
}

.logic-list {
  margin-top: 4px;
}

.logic-list li {
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
}

.logic-list a {
  color: var(--accent);
}

.logic-list a:hover {
  color: var(--text);
}

.next-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.next-item {
  padding: 20px 18px;
}

.next-item a {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.next-item a:hover {
  color: var(--accent);
}

.next-item .next-desc {
  display: block;
}

/* ==========================================================================
   pages — 成员服务
   ========================================================================== */

.services-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 36px;
  align-items: start;
  margin-bottom: 56px;
}

.sidebar-left .services-layout,
.services-layout.sidebar-left {
  grid-template-columns: 260px minmax(0, 1fr);
}

.services-layout .section-title {
  grid-column: 1 / -1;
}

.filter-panel {
  min-width: 0;
  padding: 20px 18px;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

.filter-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
}

.filter-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-soft);
  margin-bottom: 14px;
}

.filter-list li + li {
  margin-top: 8px;
}

.filter-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 10px 12px;
  font-size: 14px;
  color: var(--text-soft);
  background: var(--bg);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.filter-item:hover {
  color: var(--text);
  border-color: var(--line);
}

.filter-item.is-active {
  color: #ffffff;
  background: var(--accent);
  border-color: var(--accent);
}

.services-result {
  min-width: 0;
}

.result-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
}

.service-item {
  padding: 20px 20px 18px;
}

.service-item + .service-item {
  margin-top: 16px;
}

.service-name {
  font-size: 17px;
}

.service-audience {
  color: var(--accent);
  font-size: 13px;
}

.service-meta {
  margin: 12px 0 0;
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 6px 12px;
  font-size: 14px;
}

.service-meta dt {
  color: var(--text-soft);
}

.service-meta dd {
  margin: 0;
  color: var(--text);
}

.service-link {
  color: var(--accent);
}

.service-scene {
  margin-bottom: 56px;
}

.service-scene .scene-figure {
  margin-bottom: 18px;
}

.service-scene .scene-figure img {
  height: 280px;
}

.service-scene .scene-text {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-soft);
  max-width: 780px;
}

.service-flow {
  margin-bottom: 56px;
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.flow-item {
  min-width: 0;
  padding: 20px 18px;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

.flow-item .flow-name {
  font-size: 16px;
}

.flow-item .flow-desc {
  margin-top: 8px;
}

.flow-item .flow-link {
  color: var(--accent);
}

.object-index {
  margin-bottom: 56px;
}

.object-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.object-list .object-card {
  padding: 20px 18px;
}

.object-list .object-link {
  color: var(--accent);
}

/* ==========================================================================
   pages — 行业活动
   ========================================================================== */

.page-media {
  margin-bottom: 40px;
}

.page-media img {
  height: 300px;
}

.schedule-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 36px;
  align-items: start;
}

.schedule-col {
  min-width: 0;
}

.schedule-col .col-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line-soft);
}

.col-foot {
  margin-top: 14px;
  font-size: 14px;
}

.col-foot a {
  color: var(--accent);
}

.col-foot a:hover {
  color: var(--text);
}

.team-list,
.rule-list,
.related-list {
  display: grid;
  gap: 20px;
}

.team-list {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.rule-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.related-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.team-card,
.rule-item,
.related-item {
  padding: 20px 18px;
}

.team-link a,
.rule-link a,
.related-name a {
  color: var(--accent);
}

.team-link a:hover,
.rule-link a:hover,
.related-name a:hover {
  color: var(--text);
}

.related-name {
  margin-bottom: 6px;
}

/* ==========================================================================
   pages — 公开资料
   ========================================================================== */

.resources-types .media-figure {
  margin-bottom: 26px;
}

.resources-types .media-figure img {
  height: 260px;
}

.type-list {
  display: grid;
  gap: 16px;
}

.type-item {
  padding: 20px 20px 18px;
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 6px 24px;
  align-items: start;
}

.type-item .type-name {
  grid-row: 1 / span 2;
  font-size: 17px;
}

.type-item .type-purpose {
  margin-top: 0;
  color: var(--text);
}

.type-item .type-scene {
  margin-top: 0;
  color: var(--text-soft);
  font-size: 13px;
}

.usage-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 32px;
  align-items: start;
}

.usage-text {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-soft);
}

.usage-points {
  grid-column: 1;
  margin-top: 18px;
  border-top: 1px solid var(--line-soft);
}

.usage-point {
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
}

.usage-point a {
  color: var(--accent);
}

.usage-point a:hover {
  color: var(--text);
}

.usage-note {
  grid-column: 2;
  grid-row: 1 / span 2;
  padding: 20px 18px;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

.usage-note-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 10px;
}

.usage-note-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-soft);
}

.resources-related .related-list {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.resources-related .related-item {
  padding: 18px 16px;
}

.resources-related .related-item a {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.resources-related .related-item a:hover {
  color: var(--accent);
}

.resources-related .related-text {
  margin-top: 8px;
}

/* ==========================================================================
   pages — 加入方式
   ========================================================================== */

.join-flow {
  margin-bottom: 56px;
}

.join-flow .media-figure {
  margin-bottom: 26px;
}

.join-flow .media-figure img {
  height: 260px;
}

.join-flow .flow-steps {
  grid-template-columns: 1fr;
  gap: 0;
  counter-reset: none;
}

.join-flow .flow-step {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) 200px;
  gap: 6px 20px;
  align-items: start;
  padding: 22px 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line-soft);
  border-radius: 0;
}

.join-flow .flow-step:first-child {
  border-top: 1px solid var(--line-soft);
}

.join-flow .flow-step .step-index {
  grid-row: 1 / span 4;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 50%;
}

.join-flow .flow-step .step-title {
  font-size: 17px;
  font-weight: 600;
}

.join-flow .flow-step .step-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-soft);
}

.join-flow .flow-step .step-prep {
  font-size: 13px;
  line-height: 1.75;
  color: var(--accent);
}

.join-flow .flow-step .step-link {
  grid-column: 3;
  grid-row: 1 / span 4;
  align-self: center;
  font-size: 14px;
  color: var(--accent);
}

.join-flow .flow-step .step-link:hover {
  color: var(--text);
}

.join-faq {
  margin-bottom: 56px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

.faq-item + .faq-item {
  margin-top: 12px;
}

.faq-question {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 48px;
}

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

.faq-question::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  font-weight: 400;
  color: var(--accent);
}

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

.faq-item[open] .faq-question {
  border-bottom: 1px solid var(--line-soft);
}

.faq-answer {
  padding: 16px 20px 18px;
}

.faq-answer p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-soft);
}

.join-related .related-list {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.join-related .related-item {
  padding: 18px 16px;
}

.join-related .related-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.join-related .related-link:hover {
  color: var(--accent);
}

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

.error-main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 64px 24px 0;
}

.error-panel {
  text-align: center;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 40px;
}

.error-code {
  font-size: 56px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.error-panel h1 {
  margin-top: 16px;
  font-size: 28px;
}

.error-text {
  margin: 14px auto 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
  max-width: 560px;
}

.error-action {
  display: inline-block;
  margin-top: 22px;
  padding: 11px 22px;
  font-size: 15px;
  color: #ffffff;
  background: var(--text);
  border-radius: var(--radius);
}

.error-action:hover {
  background: var(--accent);
  color: #ffffff;
}

.error-routes {
  padding-bottom: 40px;
}

.error-routes h2 {
  font-size: 20px;
  margin-bottom: 16px;
}

.error-route-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.error-route-list a {
  display: block;
  padding: 16px 14px;
  text-align: center;
  font-size: 14px;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

.error-route-list a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

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

@media (max-width: 1024px) {
  .hero-grid {
    gap: 28px;
  }

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

  .object-cards,
  .flow-steps,
  .pageindex-grid,
  .object-list,
  .team-list,
  .resources-related .related-list,
  .join-related .related-list,
  .error-route-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .flow-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .logic-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  body {
    font-size: 15px;
  }

  .header-inner {
    padding: 14px 18px;
    flex-wrap: wrap;
    gap: 12px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    flex: 1 0 100%;
    order: 3;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    padding-top: 8px;
    border-top: 1px solid var(--line-soft);
  }

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

  .nav-list li {
    border-bottom: 1px solid var(--line-soft);
  }

  .nav-list a {
    padding: 12px 4px;
    font-size: 15px;
  }

  .subnav-list {
    padding: 0 18px 12px;
    gap: 8px 12px;
  }

  .inner-main {
    padding: 22px 18px 52px;
  }

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

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

  .subsection-title {
    font-size: 16px;
  }

  .hero {
    padding: 28px 0 26px;
    margin-bottom: 40px;
  }

  .home-main {
    padding: 0 18px 20px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 26px;
  }

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

  .hero-media .media-figure img,
  .media-figure img,
  .about-figure img,
  .scene-figure img,
  .page-media img,
  .media-figure-wide img {
    height: 220px;
  }

  .hero-summary,
  .schedule-grid,
  .schedule-layout,
  .roles-layout,
  .usage-body {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .services-layout,
  .sidebar-left .services-layout,
  .services-layout.sidebar-left {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .filter-panel {
    padding: 16px 14px;
  }

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

  .filter-list li + li {
    margin-top: 0;
  }

  .filter-item {
    width: auto;
    padding: 8px 14px;
  }

  .logic-layout,
  .next-list,
  .rule-list,
  .related-list {
    grid-template-columns: 1fr;
  }

  .type-item {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .type-item .type-name {
    grid-row: auto;
  }

  .usage-note {
    grid-column: 1;
    grid-row: auto;
  }

  .usage-points {
    grid-column: 1;
  }

  .join-flow .flow-step {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 6px 16px;
  }

  .join-flow .flow-step .step-index {
    width: 34px;
    height: 34px;
    font-size: 13px;
  }

  .join-flow .flow-step .step-link {
    grid-column: 2;
    grid-row: auto;
    align-self: start;
  }

  .entry-item,
  .schedule-item,
  .result-item {
    grid-template-columns: 76px minmax(0, 1fr) auto;
    gap: 8px;
    font-size: 14px;
  }

  .arch-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  .arch-table thead,
  .arch-table tbody {
    display: table;
    width: 100%;
    min-width: 640px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 26px;
    padding: 34px 18px 22px;
  }

  .footer-copy {
    padding: 14px 18px 26px;
  }

  .error-main {
    padding: 40px 18px 0;
  }

  .error-code {
    font-size: 44px;
  }

  .error-panel h1 {
    font-size: 22px;
  }
}

@media (max-width: 480px) {
  .object-cards,
  .flow-steps,
  .pageindex-grid,
  .object-list,
  .team-list,
  .flow-list,
  .resources-related .related-list,
  .join-related .related-list,
  .error-route-list {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 22px;
  }

  .page-title {
    font-size: 21px;
  }

  .summary-list li {
    grid-template-columns: 70px minmax(0, 1fr);
  }

  .summary-state {
    grid-column: 2;
  }

  .entry-item,
  .schedule-item,
  .result-item {
    grid-template-columns: 1fr;
    gap: 2px;
  }

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}