/* =========================================================
   蘑菇视频 · 全站样式
   纸白底 / 深墨蓝标题 / 暗青强调 · 金融研究风企业站
   ========================================================= */

/* ---------- base ---------- */

:root {
  --bg: #F6F7F5;
  --surface: #FFFFFF;
  --ink: #152A38;
  --accent: #2F6F72;
  --accent-dark: #24585A;
  --warn: #A8761C;
  --text: #2B333B;
  --text-soft: #5E6A73;
  --line: #D8DCD9;
  --line-soft: #E6E9E6;
  --font-head: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --container: 1180px;
  --radius: 6px;
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.01em;
  line-height: 1.35;
}

p {
  margin: 0;
}

ul, ol, dl, dd {
  margin: 0;
  padding: 0;
}

li {
  list-style: none;
}

a {
  color: var(--accent);
  text-decoration: none;
}

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

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

figure {
  margin: 0;
}

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

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- layout ---------- */

.site-body {
  min-width: 0;
}

.site-main {
  display: block;
}

.inner-main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px 72px;
}

.home-main {
  padding-bottom: 0;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* 面包屑 */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 22px 0 0;
  font-size: 13px;
  color: var(--text-soft);
}

.breadcrumb a {
  color: var(--text-soft);
  border-bottom: 1px solid transparent;
}

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

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

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

/* 页面标题区 */

.page-header {
  padding: 18px 0 0;
}

.page-title {
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.25;
}

.page-hero {
  padding: 18px 0 0;
}

.page-lead,
.page-hero-lead,
.page-intro-desc,
.page-subtitle {
  max-width: 760px;
  margin-top: 12px;
  font-size: 16px;
  color: var(--text-soft);
  line-height: 1.8;
}

/* 关键信息条 */

.key-info-bar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.key-info-item,
.key-info-cell {
  padding: 14px 18px;
  border-right: 1px solid var(--line-soft);
}

.key-info-item:last-child,
.key-info-cell:last-child {
  border-right: 0;
}

.key-info-label {
  display: block;
  font-size: 13px;
  color: var(--text-soft);
}

.key-info-value,
.key-info-text {
  display: block;
  margin-top: 4px;
  font-size: 14px;
  color: var(--ink);
  line-height: 1.6;
}

.key-bar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.key-bar-item {
  padding: 14px 18px;
  border-right: 1px solid var(--line-soft);
}

.key-bar-item:last-child {
  border-right: 0;
}

.key-bar-label {
  display: block;
  font-size: 13px;
  color: var(--text-soft);
}

.key-bar-value {
  display: block;
  margin-top: 4px;
  font-size: 14px;
  color: var(--ink);
}

/* 页面布局 */

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 40px;
  margin-top: 40px;
  align-items: start;
}

.page-layout.layout-shell {
  grid-template-columns: minmax(0, 1fr) 340px;
}

.page-main-col,
.layout-main,
.page-content {
  min-width: 0;
}

.page-sidebar,
.layout-aside,
.page-aside {
  min-width: 0;
  font-size: 14px;
}

/* 左侧栏：aside 在 DOM 中先出现 */

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

/* 侧栏块 */

.sidebar-block,
.aside-block {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.sidebar-block + .sidebar-block,
.aside-block + .aside-block {
  margin-top: 20px;
}

.sidebar-title,
.aside-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}

.sidebar-note,
.aside-text,
.aside-note {
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.75;
}

.aside-links {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: 13px;
}

.aside-figure {
  margin-top: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.aside-figure img {
  width: 100%;
  height: 190px;
  object-fit: cover;
}

.aside-figure figcaption {
  padding: 10px 14px;
  font-size: 12.5px;
  color: var(--text-soft);
  line-height: 1.6;
}

/* ---------- components ---------- */

/* 页头 */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

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

.main-nav {
  min-width: 0;
}

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

.nav-list a {
  display: inline-block;
  padding: 6px 0;
  font-size: 15px;
  color: var(--text);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

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

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

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 11px 10px;
  flex-direction: column;
  justify-content: space-between;
}

.nav-toggle-bar {
  display: block;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
}

/* 移动抽屉 */

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(320px, 86vw);
  max-width: 86vw;
  height: 100%;
  padding: 20px 22px 28px;
  background: var(--surface);
  border-left: 1px solid var(--line);
  transform: translateX(105%);
  transition: transform 0.28s ease;
  z-index: 60;
  overflow-y: auto;
  visibility: hidden;
}

.mobile-drawer.is-open {
  transform: translateX(0);
  visibility: visible;
}

.drawer-close {
  display: block;
  margin-left: auto;
  width: 44px;
  height: 44px;
  font-size: 22px;
  line-height: 1;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.drawer-close:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.drawer-nav {
  margin-top: 18px;
}

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

.drawer-list a {
  display: flex;
  align-items: center;
  min-height: 48px;
  font-size: 16px;
  color: var(--ink);
}

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

.drawer-note {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.7;
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(21, 42, 56, 0.42);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.28s ease;
  z-index: 50;
}

.drawer-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

/* 按钮与文字链接 */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  font-size: 15px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-solid {
  background: var(--accent);
  color: #FFFFFF;
}

.btn-solid:hover {
  background: var(--accent-dark);
  color: #FFFFFF;
}

.btn-outline {
  border-color: var(--line);
  color: var(--ink);
  background: var(--surface);
}

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

.text-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 14px;
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1px;
}

.text-link:hover {
  color: var(--accent-dark);
  border-bottom-color: var(--accent-dark);
}

/* 区块标题 */

.section-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
}

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

.section-text {
  margin-top: 12px;
  font-size: 16px;
  color: var(--text);
  line-height: 1.8;
}

/* 数据表 */

.table-wrap {
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow-x: auto;
}

.data-table {
  min-width: 620px;
  font-size: 14px;
  line-height: 1.5;
}

.table-caption {
  caption-side: top;
  padding: 14px 18px;
  text-align: left;
  font-size: 13px;
  color: var(--text-soft);
  border-bottom: 1px solid var(--line-soft);
}

.data-table thead th {
  padding: 12px 16px;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  background: #F1F3F1;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.data-table tbody td,
.data-table tbody th {
  padding: 13px 16px;
  text-align: left;
  vertical-align: top;
  color: var(--text);
  border-bottom: 1px solid var(--line-soft);
}

.data-table tbody th {
  font-weight: 600;
  color: var(--ink);
  width: 26%;
}

.data-table tbody tr:nth-child(even) {
  background: #FAFBFA;
}

.data-table tbody tr:hover {
  background: #F2F6F5;
}

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

.data-table .col-index,
.data-table .cell-num,
.data-table .row-index {
  width: 52px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-soft);
}

/* 注释条 */

.note-bar {
  margin-top: 18px;
  padding: 12px 16px;
  border-left: 2px solid var(--accent);
  background: #F1F4F3;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.75;
}

.note-bar-title {
  font-size: 14px;
  color: var(--ink);
  margin-bottom: 4px;
}

.note-bar-text {
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.75;
}

/* 状态标签 */

.status-tag {
  display: inline-block;
  padding: 1px 8px;
  font-size: 12.5px;
  border-radius: 3px;
  border: 1px solid currentColor;
  white-space: nowrap;
}

.status-ok {
  color: var(--accent);
}

.status-pending {
  color: var(--warn);
}

/* 清单 */

.check-list,
.checklist {
  margin-top: 18px;
}

.check-item,
.checklist-item {
  display: flex;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15px;
  line-height: 1.75;
}

.check-item:last-child,
.checklist-item:last-child {
  border-bottom: 0;
}

.checklist-box {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 6px;
  border: 1px solid var(--accent);
  border-radius: 2px;
}

.checklist-text {
  min-width: 0;
}

.check-item::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  margin-top: 11px;
  background: var(--accent);
  border-radius: 50%;
}

/* 定义列表 */

.definition-list {
  margin-top: 18px;
  border-top: 1px solid var(--line-soft);
}

.definition-list dt {
  margin-top: 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.definition-list dd {
  margin-top: 6px;
  font-size: 15px;
  color: var(--text);
  line-height: 1.8;
}

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

.term-item + .term-item {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
}

.term-list dt {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.term-list dd {
  margin-top: 4px;
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.7;
}

/* 相关条目列表 */

.related-list {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

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

.related-title,
.related-link {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

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

.related-text,
.related-desc {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.75;
}

/* 底部相关内容条 */

.related-links {
  max-width: var(--container);
  margin: 0 auto;
  padding: 22px 32px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  border-top: 1px solid var(--line);
}

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

.related-links-item {
  font-size: 14px;
  color: var(--accent);
}

/* 页脚 */

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

.footer-top {
  max-width: var(--container);
  margin: 0 auto;
  padding: 44px 32px 32px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
}

.footer-col-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

.footer-links {
  margin-top: 12px;
}

.footer-links li + li {
  margin-top: 8px;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-soft);
}

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

.footer-mid {
  max-width: var(--container);
  margin: 0 auto;
  padding: 22px 32px;
  border-top: 1px solid var(--line-soft);
}

.footer-note {
  max-width: 860px;
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.8;
}

.footer-note-links {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 13px;
}

.footer-bottom {
  max-width: var(--container);
  margin: 0 auto;
  padding: 18px 32px 30px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  align-items: baseline;
}

.footer-brand {
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

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

/* 返回顶部 */

.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: #FFFFFF;
  background: var(--accent);
  border-radius: var(--radius);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease;
  z-index: 30;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--accent-dark);
  color: #FFFFFF;
}

/* 入场增强：仅在脚本挂载后生效 */

.js-reveal {
  opacity: 1;
}

@media (prefers-reduced-motion: no-preference) {
  .js-reveal {
    transform: translateY(10px);
    transition: transform 0.5s ease;
  }

  .js-reveal.is-revealed {
    transform: translateY(0);
  }
}

/* ---------- pages ---------- */

/* 首页 · 首屏 */

.hero {
  max-width: var(--container);
  margin: 0 auto;
  padding: 48px 32px 0;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 520px);
  gap: 44px;
  align-items: center;
}

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

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.06em;
}

.hero-title {
  margin-top: 14px;
  font-size: clamp(28px, 3.6vw, 42px);
  line-height: 1.25;
}

.hero-lead {
  margin-top: 16px;
  max-width: 560px;
  font-size: 16px;
  color: var(--text-soft);
  line-height: 1.85;
}

.hero-actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-media {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.hero-media img {
  width: 100%;
  height: 340px;
  object-fit: cover;
}

.hero-media figcaption {
  padding: 11px 16px;
  font-size: 13px;
  color: var(--text-soft);
  border-top: 1px solid var(--line-soft);
}

.hero-directions {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.direction-item {
  display: block;
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.2s ease;
}

.direction-item:hover {
  border-color: var(--accent);
}

.direction-index {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
}

.direction-name {
  display: block;
  margin-top: 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.direction-desc {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.7;
}

/* 首页 · 承接范围信息条 */

.scope-bar {
  max-width: var(--container);
  margin: 40px auto 0;
  padding: 0 32px;
}

.scope-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.scope-cell {
  min-width: 0;
  padding: 18px 20px;
  border-right: 1px solid var(--line-soft);
}

.scope-cell:last-child {
  border-right: 0;
}

.scope-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.scope-desc {
  margin-top: 6px;
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.7;
}

/* 首页 · 服务总览三栏 */

.service-overview {
  max-width: var(--container);
  margin: 0 auto;
  padding: 56px 32px 0;
}

.overview-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr) 300px;
  gap: 32px;
  align-items: start;
}

.overview-index {
  min-width: 0;
  border-left: 1px solid var(--line);
}

.index-list li + li {
  margin-top: 4px;
}

.index-link {
  display: block;
  padding: 8px 0 8px 14px;
  font-size: 14px;
  color: var(--text-soft);
  border-left: 2px solid transparent;
  margin-left: -1px;
}

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

.index-link.is-active {
  color: var(--ink);
  font-weight: 600;
  border-left-color: var(--accent);
}

.overview-entries {
  min-width: 0;
}

.entry-row {
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

.entry-row:first-child {
  padding-top: 0;
}

.entry-title {
  font-size: 17px;
  color: var(--ink);
}

.entry-scene,
.entry-deliver,
.entry-party {
  margin-top: 8px;
  font-size: 14px;
  color: var(--text);
  line-height: 1.75;
}

.entry-deliver,
.entry-party {
  color: var(--text-soft);
}

.overview-notes {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.notes-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}

.overview-notes .note-item {
  margin-top: 14px;
}

.note-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.note-text {
  margin-top: 5px;
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.7;
}

/* 首页 · 主推制作方向 */

.feature-corp {
  max-width: var(--container);
  margin: 0 auto;
  padding: 56px 32px 0;
}

.feature-card {
  margin-top: 24px;
  display: grid;
  grid-template-columns: minmax(0, 440px) minmax(0, 1fr);
  gap: 32px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  align-items: start;
}

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

.feature-media img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: var(--radius);
}

.feature-body {
  min-width: 0;
}

.feature-title {
  font-size: 20px;
  color: var(--ink);
}

.feature-text {
  margin-top: 10px;
  font-size: 15px;
  color: var(--text);
  line-height: 1.8;
}

.feature-list {
  margin-top: 16px;
  border-top: 1px solid var(--line-soft);
}

.feature-list dt {
  margin-top: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.feature-list dd {
  margin-top: 4px;
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.75;
}

/* 首页 · 配套业务 */

.supporting-business {
  max-width: var(--container);
  margin: 0 auto;
  padding: 56px 32px 0;
}

.supporting-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.support-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

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

.support-media img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  border-radius: var(--radius);
}

.support-title {
  margin-top: 16px;
  font-size: 18px;
  color: var(--ink);
}

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

.support-card .text-link {
  align-self: flex-start;
}

/* 首页 · 表格区块 */

.workflow-table,
.team-table {
  max-width: var(--container);
  margin: 0 auto;
  padding: 56px 32px 0;
}

.workflow-table .data-table,
.team-table .data-table {
  min-width: 700px;
}

/* 首页 · 补充说明与专题 */

.extra-notes {
  max-width: var(--container);
  margin: 0 auto;
  padding: 56px 32px 0;
}

.extra-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 32px;
  align-items: start;
}

.note-column {
  min-width: 0;
}

.note-column .note-bar {
  position: relative;
}

.note-column .note-bar + .note-bar {
  margin-top: 14px;
}

.topic-links {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.topic-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}

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

.topic-list li + li {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
}

.topic-list a {
  font-size: 14px;
}

/* 首页 · 常见问题精选 */

.faq-preview {
  max-width: var(--container);
  margin: 0 auto;
  padding: 56px 32px 0;
}

.faq-list {
  margin-top: 22px;
  border-top: 1px solid var(--line);
}

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

.faq-question {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 0;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.faq-question::before {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 6px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
  transition: transform 0.2s ease;
}

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

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

.faq-answer {
  padding: 0 0 18px 20px;
}

.faq-answer p {
  font-size: 15px;
  color: var(--text);
  line-height: 1.8;
}

.faq-answer p + p {
  margin-top: 10px;
}

.faq-more {
  margin-top: 12px;
  font-size: 14px;
}

/* 首页 · 合作入口 */

.coop-entry {
  max-width: var(--container);
  margin: 56px auto 0;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.coop-text {
  max-width: 760px;
  font-size: 16px;
  color: var(--text);
  line-height: 1.85;
}

.coop-actions {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* 服务目录页 */

.section {
  margin-top: 56px;
}

.section:first-child {
  margin-top: 40px;
}

.service-block {
  margin-top: 32px;
  display: grid;
  grid-template-columns: minmax(0, 380px) minmax(0, 1fr);
  gap: 28px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  align-items: start;
}

.service-figure {
  min-width: 0;
}

.service-figure img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: var(--radius);
}

.service-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.6;
}

.service-body {
  min-width: 0;
}

.service-title {
  font-size: 19px;
  color: var(--ink);
}

.service-text {
  margin-top: 10px;
  font-size: 15px;
  color: var(--text);
  line-height: 1.8;
}

.service-list {
  margin-top: 14px;
}

.service-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.75;
}

.service-list li + li {
  margin-top: 7px;
}

.service-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 1px;
  background: var(--accent);
}

.service-link {
  margin-top: 14px;
  font-size: 14px;
}

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

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

.combo-list dt {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.combo-list dd {
  margin-top: 8px;
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.75;
}

/* 合作流程页 */

.stage-index {
  margin-top: 12px;
}

.stage-index-list li + li {
  margin-top: 4px;
}

.stage-index-list a {
  display: block;
  padding: 9px 0 9px 14px;
  font-size: 14px;
  color: var(--text-soft);
  border-left: 2px solid transparent;
  margin-left: -1px;
}

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

.stage-index-list a.is-active {
  color: var(--ink);
  font-weight: 600;
  border-left-color: var(--accent);
}

.section-block {
  margin-top: 48px;
}

.section-block:first-child {
  margin-top: 0;
}

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

.section-block > p {
  margin-top: 10px;
  font-size: 15px;
  color: var(--text-soft);
  line-height: 1.8;
}

.stage-detail {
  margin-top: 20px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.stage-detail h3 {
  font-size: 16px;
  color: var(--ink);
}

.stage-detail p {
  margin-top: 8px;
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.8;
}

.prep-list {
  margin-top: 20px;
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  border-top: 1px solid var(--line-soft);
}

.prep-list dt {
  padding: 13px 16px 13px 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 1px solid var(--line-soft);
}

.prep-list dd {
  padding: 13px 0;
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.75;
  border-bottom: 1px solid var(--line-soft);
}

.output-item {
  margin-top: 18px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.output-item h3 {
  font-size: 16px;
  color: var(--ink);
}

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

.feedback-list {
  margin-top: 18px;
}

.feedback-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.75;
}

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

.feedback-list strong {
  display: block;
  margin-bottom: 4px;
  font-size: 15px;
  color: var(--ink);
}

.link-list {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.link-list a {
  display: block;
  padding: 14px 16px;
  font-size: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--accent);
}

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

/* 制作团队页 */

.page-media {
  margin-top: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.page-media img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.page-media figcaption {
  padding: 11px 16px;
  font-size: 13px;
  color: var(--text-soft);
  border-top: 1px solid var(--line-soft);
}

.content-section {
  margin-top: 48px;
}

.role-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.role-block {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 220px);
  gap: 18px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  align-items: start;
}

.role-block-main {
  min-width: 0;
}

.role-block-side {
  min-width: 0;
  padding-left: 18px;
  border-left: 1px solid var(--line-soft);
}

.role-side-label {
  display: block;
  font-size: 13px;
  color: var(--text-soft);
}

.path-list {
  margin-top: 20px;
}

.path-item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

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

.path-index {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
}

.path-body {
  min-width: 0;
}

.rule-list {
  margin-top: 20px;
}

.rule-item {
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15px;
  color: var(--text);
  line-height: 1.8;
}

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

/* 制作标准页 */

.article-layout {
  margin-top: 40px;
  max-width: 760px;
}

.content-block {
  margin-top: 48px;
}

.content-block:first-child {
  margin-top: 0;
}

.content-block .data-table {
  min-width: 520px;
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.figure-block {
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.figure-block img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.figure-block figcaption {
  padding: 11px 16px;
  font-size: 13px;
  color: var(--text-soft);
  border-top: 1px solid var(--line-soft);
}

/* 项目准备页 */

.page-title-block {
  padding-top: 18px;
}

.content-narrow {
  max-width: 760px;
  margin-top: 8px;
}

.two-col-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.col-block {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.col-title {
  font-size: 16px;
  color: var(--ink);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}

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

.plain-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.75;
}

.plain-list li + li {
  margin-top: 7px;
}

.plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 1px;
  background: var(--accent);
}

.content-figure {
  margin-top: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.content-figure img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.content-figure figcaption {
  padding: 11px 16px;
  font-size: 13px;
  color: var(--text-soft);
  border-top: 1px solid var(--line-soft);
}

.qa-numbered-list {
  margin-top: 20px;
  counter-reset: qa;
}

.qa-item {
  position: relative;
  padding: 16px 0 16px 44px;
  border-bottom: 1px solid var(--line-soft);
}

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

.qa-item::before {
  counter-increment: qa;
  content: counter(qa, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 17px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
}

.qa-question {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.qa-answer {
  margin-top: 6px;
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.8;
}

.note-list {
  margin-top: 20px;
}

.note-list .note-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

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

.note-title {
  font-size: 16px;
  color: var(--ink);
}

/* 常见问题页 */

.page-intro {
  padding-top: 18px;
}

.faq-group {
  margin-top: 48px;
}

.faq-group:first-child {
  margin-top: 0;
}

.faq-group h2 {
  font-size: 22px;
}

.faq-group .section-lead {
  max-width: 700px;
}

.faq-group .faq-item:first-of-type {
  margin-top: 20px;
}

.faq-group .faq-item {
  border-top: 1px solid var(--line-soft);
  border-bottom: 0;
}

.faq-group .faq-item:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.faq-more a {
  font-size: 14px;
}

.related-entry {
  margin-top: 48px;
}

.related-entry h2 {
  font-size: 22px;
}

.aside-index {
  margin-top: 12px;
}

.aside-index li + li {
  margin-top: 4px;
}

.aside-index a {
  display: block;
  padding: 9px 0 9px 14px;
  font-size: 14px;
  color: var(--text-soft);
  border-left: 2px solid transparent;
  margin-left: -1px;
}

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

/* 404 页 */

.error-main {
  padding: 0;
}

.error-hero {
  padding: 80px 0 56px;
  border-bottom: 1px solid var(--line);
}

.error-inner {
  max-width: 760px;
}

.error-code {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 0.08em;
}

.error-hero h1 {
  margin-top: 14px;
  font-size: clamp(26px, 3.4vw, 40px);
}

.error-lead {
  margin-top: 14px;
  font-size: 16px;
  color: var(--text-soft);
  line-height: 1.85;
}

.error-actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.error-links {
  padding: 48px 0 0;
}

.error-links h2 {
  font-size: 22px;
}

.error-link-list {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.error-link-list li {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.error-link-list a {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

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

.error-link-list p {
  margin-top: 8px;
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.75;
}

/* ---------- responsive ---------- */

@media (max-width: 1120px) {
  .overview-grid {
    grid-template-columns: 180px minmax(0, 1fr);
  }

  .overview-notes {
    grid-column: 1 / -1;
  }

  .extra-grid {
    grid-template-columns: minmax(0, 1fr) 280px;
  }

  .footer-top {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 28px;
  }

  .role-block {
    grid-template-columns: minmax(0, 1fr) minmax(0, 180px);
  }
}

@media (max-width: 980px) {
  .page-layout,
  .page-layout.layout-shell {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

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

  .page-sidebar,
  .layout-aside,
  .page-aside {
    order: 2;
  }

  .page-main-col,
  .layout-main,
  .page-content {
    order: 1;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

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

  .feature-card {
    grid-template-columns: minmax(0, 1fr);
  }

  .feature-media img {
    height: 250px;
  }

  .service-block {
    grid-template-columns: minmax(0, 1fr);
  }

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

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

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

  .scope-cell:nth-child(2) {
    border-right: 0;
  }

  .scope-cell:nth-child(1),
  .scope-cell:nth-child(2) {
    border-bottom: 1px solid var(--line-soft);
  }

  .key-info-bar,
  .key-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .key-info-item:nth-child(2n),
  .key-info-cell:nth-child(2n),
  .key-bar-item:nth-child(2n) {
    border-right: 0;
  }

  .key-info-item:nth-child(-n + 2),
  .key-info-cell:nth-child(-n + 2),
  .key-bar-item:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line-soft);
  }

  .role-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 860px) {
  .header-inner {
    height: 62px;
    padding: 0 16px;
  }

  .site-nav {
    display: block;
  }

  .nav-list {
    display: none;
  }

  .nav-list.is-open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    position: absolute;
    top: 62px;
    left: 0;
    right: 0;
    padding: 8px 16px 16px;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
  }

  .nav-list.is-open li + li {
    border-top: 1px solid var(--line-soft);
  }

  .nav-list.is-open a {
    display: flex;
    align-items: center;
    min-height: 46px;
    font-size: 16px;
    border-bottom: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .site-main,
  .inner-main,
  .hero,
  .scope-bar,
  .service-overview,
  .feature-corp,
  .supporting-business,
  .workflow-table,
  .team-table,
  .extra-notes,
  .faq-preview,
  .coop-entry,
  .related-links,
  .footer-top,
  .footer-mid,
  .footer-bottom,
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero {
    padding-top: 32px;
  }

  .hero-directions {
    grid-template-columns: minmax(0, 1fr);
  }

  .supporting-grid {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .two-col-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .role-block {
    grid-template-columns: minmax(0, 1fr);
  }

  .role-block-side {
    padding-left: 0;
    padding-top: 14px;
    border-left: 0;
    border-top: 1px solid var(--line-soft);
  }

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

  .prep-list dt {
    padding-bottom: 0;
    border-bottom: 0;
  }

  .prep-list dd {
    padding-top: 6px;
  }

  .path-item {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 12px;
  }

  .extra-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .content-figure img,
  .page-media img,
  .figure-block img {
    height: 230px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .scope-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .scope-cell {
    border-right: 0;
    border-bottom: 1px solid var(--line-soft);
  }

  .scope-cell:last-child {
    border-bottom: 0;
  }

  .key-info-bar,
  .key-bar {
    grid-template-columns: minmax(0, 1fr);
  }

  .key-info-item,
  .key-info-cell,
  .key-bar-item {
    border-right: 0;
    border-bottom: 1px solid var(--line-soft);
  }

  .key-info-item:last-child,
  .key-info-cell:last-child,
  .key-bar-item:last-child {
    border-bottom: 0;
  }

  .overview-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .overview-index {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-top: 10px;
  }

  .index-link {
    margin-left: 0;
    padding-left: 0;
    border-left: 0;
    border-bottom: 2px solid transparent;
  }

  .index-link.is-active {
    border-left: 0;
    border-bottom-color: var(--accent);
  }

  .stage-index-list,
  .aside-index {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 6px;
  }

  .stage-index-list li,
  .aside-index li {
    flex: 0 0 auto;
  }

  .stage-index-list a,
  .aside-index a {
    margin-left: 0;
    padding: 8px 0;
    border-left: 0;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
  }

  .stage-index-list a.is-active {
    border-left: 0;
    border-bottom-color: var(--accent);
  }

  .table-wrap {
    border-radius: var(--radius);
  }

  .data-table {
    min-width: 0;
  }

  .data-table,
  .data-table thead,
  .data-table tbody,
  .data-table tr,
  .data-table th,
  .data-table td {
    display: block;
    width: auto;
  }

  .data-table thead {
    display: none;
  }

  .data-table tbody tr {
    padding: 12px 16px;
    border-bottom: 1px solid var(--line-soft);
  }

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

  .data-table tbody td,
  .data-table tbody th {
    padding: 4px 0;
    border-bottom: 0;
  }

  .data-table tbody th {
    width: auto;
  }

  .data-table .col-index,
  .data-table .cell-num,
  .data-table .row-index {
    width: auto;
  }

  .table-caption {
    padding: 12px 16px;
  }

  .faq-question {
    font-size: 15px;
  }

  .faq-answer {
    padding-left: 18px;
  }

  .qa-item {
    padding-left: 36px;
  }

  .related-links {
    padding-top: 18px;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 15px;
  }

  .brand {
    font-size: 18px;
  }

  .section-title,
  .section-block h2,
  .faq-group h2,
  .related-entry h2,
  .error-links h2 {
    font-size: 19px;
  }

  .hero-media img,
  .feature-media img,
  .service-figure img,
  .support-media img,
  .content-figure img,
  .page-media img,
  .figure-block img {
    height: 200px;
  }

  .coop-entry {
    padding: 22px 18px;
  }

  .btn {
    width: 100%;
    padding: 0 16px;
  }

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

  .back-to-top {
    right: 14px;
    bottom: 14px;
    width: 42px;
    height: 42px;
  }
}