:root {
  --ink: #17212E;
  --slate: #3B444F;
  --paper: #F7F5F1;
  --white: #FFFFFF;
  --copper: #9A6B3F;
  --rule: #D9D3C9;
  --teal: #4C6B6A;
  --serif: "Noto Serif SC", "Source Han Serif SC", Georgia, "Songti SC", serif;
  --sans: Inter, "Noto Sans SC", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --wrap: 1120px;
  --text-width: 720px;
  --header-h: 72px;
  --gap: 32px;
}

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

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

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

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
}

p {
  margin: 0 0 1em;
}

p:last-child {
  margin-bottom: 0;
}

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

li {
  list-style: none;
}

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

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

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 3px;
}

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

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

th,
td {
  text-align: left;
  vertical-align: top;
}

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

[hidden] {
  display: none !important;
}

.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;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--ink);
  color: var(--white);
  border-radius: 4px;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 12px;
  color: var(--white);
}

/* ==========================================================================
   layout · 全站骨架
   ========================================================================== */

.site-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--paper);
}

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

.inner-main {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px 72px;
}

.home-main {
  width: 100%;
}

/* --- 顶部工具条 --- */

.utility-bar,
.top-bar {
  border-bottom: 1px solid var(--rule);
  background: var(--white);
  font-size: 13px;
}

.utility-bar__inner,
.top-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
  min-height: 40px;
}

.utility-bar__note,
.utility-bar__tagline,
.top-bar__tagline {
  margin: 0;
  color: var(--slate);
  line-height: 1.5;
}

.utility-bar__links,
.top-bar__links {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.utility-bar__links a,
.top-bar__links a {
  color: var(--ink);
  line-height: 1.5;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
}

.utility-bar__links a:hover,
.top-bar__links a:hover {
  color: var(--copper);
  border-bottom-color: var(--copper);
}

/* --- 页头 --- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--rule);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
  min-height: var(--header-h);
}

.brand {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  flex-shrink: 0;
  padding: 6px 0;
}

.brand__name {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.2;
}

.brand__sub {
  font-size: 11px;
  color: var(--slate);
  line-height: 1.4;
  letter-spacing: 0.02em;
}

/* --- 主导航 --- */

.site-nav {
  display: flex;
  align-items: center;
}

.primary-nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: nowrap;
}

.primary-nav__list li {
  display: flex;
}

.primary-nav__list a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 12px;
  font-size: 15px;
  color: var(--slate);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

.primary-nav__list a:hover {
  color: var(--ink);
  border-bottom-color: var(--rule);
}

.primary-nav__list a.is-current {
  color: var(--ink);
  font-weight: 600;
  border-bottom-color: var(--copper);
}

/* --- 汉堡按钮 --- */

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 10px;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: var(--white);
}

.nav-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

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

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

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

/* ==========================================================================
   layout · 内页通用外壳
   ========================================================================== */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--slate);
  padding: 20px 0 0;
  flex-wrap: wrap;
}

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

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

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

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

.page-header {
  padding: 20px 0 8px;
}

.page-title {
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 600;
  line-height: 1.25;
  color: var(--ink);
  max-width: var(--text-width);
}

/* --- 页面标题区（摘要 + 元信息） --- */

.page-head,
.page-intro,
.page-title {
  margin-top: 16px;
}

.page-head__inner,
.page-intro__body,
.page-title__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 48px;
  align-items: start;
}

.page-head__main,
.page-head__body,
.page-title__copy {
  min-width: 0;
}

.page-head__eyebrow,
.page-intro__eyebrow,
.page-title__eyebrow {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--copper);
  text-transform: uppercase;
}

.page-head__summary,
.page-intro__summary,
.page-title__summary {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--slate);
  max-width: var(--text-width);
}

.page-head__meta,
.page-intro__meta,
.page-title__meta {
  border-left: 1px solid var(--rule);
  padding-left: 24px;
  min-width: 0;
}

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

.meta-list__row,
.meta-list__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rule);
}

.meta-list__row:last-child,
.meta-list__item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.meta-list dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--copper);
  text-transform: uppercase;
}

.meta-list dd {
  margin: 0;
  font-size: 14px;
  color: var(--ink);
  line-height: 1.6;
}

/* --- 页脚 --- */

.site-footer {
  flex-shrink: 0;
  margin-top: 48px;
  background: #F2EFE9;
  border-top: 1px solid var(--rule);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 64px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 48px 24px 32px;
}

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

.site-footer__name {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
}

.site-footer__desc {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
  max-width: 420px;
}

.site-footer__boundary {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.site-footer__boundary li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--slate);
}

.site-footer__boundary li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 1px;
  background: var(--copper);
}

.site-footer__nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  min-width: 0;
}

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

.site-footer__group-title {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--ink);
  text-transform: uppercase;
}

.site-footer__links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.site-footer__links a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  font-size: 14px;
  color: var(--slate);
}

.site-footer__links a:hover {
  color: var(--copper);
}

.site-footer__bottom {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 16px 24px 28px;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  font-size: 12px;
  color: var(--slate);
}

.site-footer__bottom p {
  margin: 0;
}

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

/* --- 文字链接 --- */

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  border-bottom: 1px solid var(--copper);
  padding-bottom: 2px;
  min-height: 32px;
  transition: color 0.2s ease, gap 0.2s ease;
}

.link-arrow::after {
  content: "→";
  font-size: 14px;
  color: var(--copper);
  transition: transform 0.2s ease;
}

.link-arrow:hover {
  color: var(--copper);
  gap: 10px;
}

.link-arrow:hover::after {
  transform: translateX(2px);
}

/* --- 区块标题 --- */

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

.section-head h2,
.section-head__title,
.section-title {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
  margin: 0 0 8px;
}

.section-head p,
.section-head__desc,
.section-head__lead,
.section-lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
  max-width: var(--text-width);
}

.section-head__index,
.section-index,
.section__num {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--copper);
}

/* --- 图片容器 --- */

.hero-figure,
.preview__media,
.module-figure,
.media-figure,
.report-figure,
.stage-figure,
.handover__figure,
.account-structure__figure,
.boundary__figure {
  margin: 0;
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 6px;
  overflow: hidden;
  max-width: 100%;
}

.hero-figure img,
.preview__media img,
.module-figure img,
.media-figure img,
.report-figure img,
.stage-figure img,
.handover__figure img,
.account-structure__figure img,
.boundary__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.hero-figure figcaption,
.preview__media figcaption,
.module-figure figcaption,
.media-figure figcaption,
.report-figure figcaption,
.stage-figure figcaption,
.handover__figure figcaption,
.account-structure__figure figcaption,
.boundary__figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
  border-top: 1px solid var(--rule);
}

/* --- 表格滚动容器 --- */

.table-scroll {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--white);
}

.table-scroll table {
  min-width: 560px;
}

.table-hint {
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--copper);
}

/* --- 数据表 --- */

.data-table,
.metric-table {
  width: 100%;
  font-size: 14px;
  line-height: 1.6;
}

.data-table__caption,
.metric-table__caption {
  caption-side: top;
  padding: 12px 16px;
  text-align: left;
  font-size: 13px;
  color: var(--slate);
  border-bottom: 1px solid var(--rule);
}

.data-table thead th,
.metric-table thead th {
  padding: 12px 16px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink);
  background: #F2EFE9;
  border-bottom: 1px solid var(--rule);
  white-space: nowrap;
}

.data-table tbody th {
  padding: 12px 16px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 1px solid var(--rule);
  background: var(--white);
  white-space: nowrap;
}

.data-table tbody td,
.metric-table tbody td {
  padding: 12px 16px;
  color: var(--slate);
  border-bottom: 1px solid var(--rule);
}

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

.metric-table tbody td:first-child {
  color: var(--ink);
  font-weight: 500;
}

/* --- 字段标签 --- */

.field-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.field-tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--copper);
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 3px;
}

/* --- 状态标签 --- */

.status-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  border-radius: 3px;
  white-space: nowrap;
}

.status-tag--review {
  color: var(--copper);
  background: rgba(154, 107, 63, 0.1);
  border: 1px solid rgba(154, 107, 63, 0.3);
}

.status-tag--open {
  color: var(--teal);
  background: rgba(76, 107, 106, 0.1);
  border: 1px solid rgba(76, 107, 106, 0.3);
}

.status-tag--done {
  color: var(--slate);
  background: #F2EFE9;
  border: 1px solid var(--rule);
}

/* --- 清单 --- */

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

.check-list__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 20px;
  position: relative;
}

.check-list__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 10px;
  height: 2px;
  background: var(--teal);
}

.check-list__name {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.check-list__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

/* --- 步骤列表 --- */

.step-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  counter-reset: step;
}

.step-list__item {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule);
  min-width: 0;
}

.step-list__item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.step-list__num {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--copper);
  line-height: 1.6;
  letter-spacing: 0.04em;
}

.step-list__name {
  margin: 0 0 4px;
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.5;
}

.step-list__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
  min-width: 0;
}

/* --- 相关页面入口带 --- */

.related-band {
  margin-top: 56px;
  padding: 28px 0 0;
  border-top: 1px solid var(--rule);
}

.related-band__lead,
.related-band__title {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--ink);
  text-transform: uppercase;
}

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

.related-band__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px;
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 6px;
  min-width: 0;
  transition: border-color 0.2s ease;
}

.related-band__item:hover {
  border-color: var(--copper);
}

.related-band__item a {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  min-height: 24px;
  display: inline-flex;
  align-items: center;
}

.related-band__item a:hover {
  color: var(--copper);
}

.related-band__desc,
.related-band__item p,
.related-band__item span {
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
  margin: 0;
}

/* --- 折叠问答（首页） --- */

.faq {
  padding: 56px 0;
  border-top: 1px solid var(--rule);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--rule);
}

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

.faq-item__question,
.faq-item__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  min-height: 56px;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

.faq-item__question::-webkit-details-marker,
.faq-item__summary::-webkit-details-marker {
  display: none;
}

.faq-item__question::after,
.faq-item__summary::after {
  content: "+";
  flex-shrink: 0;
  font-family: var(--sans);
  font-size: 20px;
  font-weight: 400;
  color: var(--copper);
  transition: transform 0.2s ease;
}

.faq-item[open] > .faq-item__question::after,
.faq-item[open] > .faq-item__summary::after {
  content: "−";
}

.faq-item__hint {
  margin: 0 0 4px;
  font-size: 13px;
  color: var(--slate);
}

.faq-item__panel,
.faq-item__body {
  padding: 0 0 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
  max-width: var(--text-width);
}

.faq-item__panel p,
.faq-item__body p {
  margin: 0 0 10px;
}

.faq-item__steps {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 8px 0 0;
  counter-reset: faqstep;
}

.faq-item__steps li {
  position: relative;
  padding-left: 24px;
  font-size: 14px;
  line-height: 1.7;
}

.faq-item__steps li::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--copper);
}

.faq__foot {
  margin-top: 24px;
}

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

/* --- 首屏工作台 --- */

.hero {
  padding: 48px 0 56px;
  border-bottom: 1px solid var(--rule);
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 56px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
  align-items: start;
}

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

.hero-copy__eyebrow {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--copper);
  text-transform: uppercase;
}

.hero-copy h1 {
  font-family: var(--serif);
  font-size: 40px;
  font-weight: 600;
  line-height: 1.25;
  color: var(--ink);
  margin: 0 0 20px;
}

.hero-copy__lead {
  margin: 0 0 24px;
  font-size: 17px;
  line-height: 1.8;
  color: var(--slate);
  max-width: 560px;
}

.hero-copy__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 28px;
}

.hero-copy__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
}

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

.hero-copy__fact dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--copper);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.hero-copy__fact dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
}

/* --- 产品面板 --- */

.hero-panel {
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 6px;
  overflow: hidden;
  min-width: 0;
}

.hero-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  background: var(--ink);
  color: var(--white);
}

.hero-panel__title {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}

.hero-panel__badge {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 2px 8px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 3px;
  color: rgba(255, 255, 255, 0.85);
}

.panel-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-bottom: 1px solid var(--rule);
}

.panel-stats__item {
  padding: 14px 16px;
  border-right: 1px solid var(--rule);
  min-width: 0;
}

.panel-stats__item:last-child {
  border-right: 0;
}

.panel-stats__label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--slate);
  margin-bottom: 4px;
}

.panel-stats__value {
  display: block;
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.2;
}

.topic-list {
  padding: 8px 0;
  border-bottom: 1px solid var(--rule);
}

.topic-list__row {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 10px 18px;
  font-size: 14px;
  min-width: 0;
}

.topic-list__name {
  color: var(--ink);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.topic-list__group {
  font-size: 12px;
  color: var(--slate);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.layer-legend {
  padding: 16px 18px;
}

.layer-legend__title {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--copper);
  text-transform: uppercase;
}

.layer-legend__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.layer-legend__row {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  min-width: 0;
}

.layer-legend__name {
  font-size: 13px;
  color: var(--ink);
}

.layer-legend__bar {
  height: 6px;
  background: var(--paper);
  border-radius: 3px;
  overflow: hidden;
}

.layer-legend__fill {
  height: 100%;
  border-radius: 3px;
}

.layer-legend__fill--a {
  width: 62%;
  background: var(--copper);
}

.layer-legend__fill--b {
  width: 34%;
  background: var(--teal);
}

.layer-legend__fill--c {
  width: 22%;
  background: #B0A79A;
}

.hero-figure {
  max-width: var(--wrap);
  margin: 40px auto 0;
}

.hero-figure img {
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

/* --- 场景入口 --- */

.scenarios {
  padding: 56px 0;
  border-bottom: 1px solid var(--rule);
}

.scenarios .section-head,
.modules .section-head,
.phases .section-head,
.fit .section-head {
  max-width: var(--wrap);
  margin: 0 auto 32px;
  padding: 0 24px;
}

.scenarios__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

.scenario-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 6px;
  min-width: 0;
  transition: border-color 0.2s ease;
}

.scenario-card:hover {
  border-color: var(--copper);
}

.scenario-card__name {
  margin: 0;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}

.scenario-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.scenario-card .link-arrow {
  margin-top: auto;
  align-self: flex-start;
}

/* --- 功能模块条目 --- */

.modules {
  padding: 56px 0;
  border-bottom: 1px solid var(--rule);
}

.module-rows {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
  border-top: 1px solid var(--rule);
}

.module-row {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 40px;
  padding: 24px 0;
  border-bottom: 1px solid var(--rule);
  position: relative;
}

.module-row::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: transparent;
  transition: background 0.2s ease;
}

.module-row:hover::before {
  background: var(--copper);
}

.module-row__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-width: 0;
}

.module-row__num {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--copper);
  flex-shrink: 0;
  transition: color 0.2s ease;
}

.module-row:hover .module-row__num {
  color: var(--copper);
}

.module-row__name {
  margin: 0;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
}

.module-row__body {
  min-width: 0;
}

.module-row__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
  max-width: var(--text-width);
}

.modules__foot,
.phases__foot {
  max-width: var(--wrap);
  margin: 24px auto 0;
  padding: 0 24px;
}

/* --- 运营流程 --- */

.phases {
  padding: 56px 0;
  border-bottom: 1px solid var(--rule);
}

.phase-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
  border-top: 1px solid var(--rule);
}

.phase-step {
  padding: 24px 20px 24px 0;
  border-right: 1px solid var(--rule);
  min-width: 0;
  position: relative;
}

.phase-step:last-child {
  border-right: 0;
  padding-right: 0;
}

.phase-step__num {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--copper);
  margin-bottom: 8px;
}

.phase-step__name {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}

.phase-step__task {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.phase-step__judge {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--teal);
  padding-top: 8px;
  border-top: 1px dashed var(--rule);
}

/* --- 预览区块（活动 / 复盘） --- */

.preview {
  padding: 56px 0;
  border-bottom: 1px solid var(--rule);
}

.preview--activity,
.preview--review {
  display: grid;
  gap: 48px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 56px 24px;
  align-items: start;
}

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

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

.preview__body {
  min-width: 0;
}

.preview__body h2 {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 12px;
}

.preview__body > p {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
  max-width: var(--text-width);
}

.activity-block {
  padding: 14px 0;
  border-top: 1px solid var(--rule);
  min-width: 0;
}

.activity-block:last-of-type {
  border-bottom: 1px solid var(--rule);
  margin-bottom: 20px;
}

.activity-block__title {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.activity-block p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

.summary-sample {
  padding: 16px 18px;
  background: var(--white);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--copper);
  border-radius: 4px;
  margin-bottom: 20px;
}

.summary-sample__title {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--copper);
  text-transform: uppercase;
}

.summary-sample p,
.summary-sample__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
}

.summary-sample__note {
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--slate);
}

.preview__body .metric-table {
  margin-bottom: 20px;
}

/* --- 适用团队与部署 --- */

.fit {
  padding: 56px 0;
  border-bottom: 1px solid var(--rule);
}

.fit__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
  align-items: start;
}

.fit__col {
  min-width: 0;
}

.fit__col-title {
  margin: 0 0 16px;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule);
}

.fit__col--check .link-arrow {
  margin-top: 20px;
}

/* ==========================================================================
   pages · 功能模块（modules）
   ========================================================================== */

.page-layout {
  margin-top: 32px;
}

.modules-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

.sidebar-left .page-layout,
.page-layout.sidebar-left {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

.module-toc {
  position: sticky;
  top: calc(var(--header-h) + 16px);
  padding: 16px;
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 6px;
  min-width: 0;
}

.module-toc__title {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--copper);
  text-transform: uppercase;
}

.module-toc__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.module-toc__list a {
  display: flex;
  align-items: center;
  min-height: 36px;
  padding: 6px 8px;
  font-size: 14px;
  color: var(--slate);
  border-radius: 4px;
  border-left: 2px solid transparent;
}

.module-toc__list a:hover {
  color: var(--ink);
  background: var(--paper);
}

.module-toc__list a.is-active {
  color: var(--ink);
  font-weight: 600;
  border-left-color: var(--copper);
  background: var(--paper);
}

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

.module-entry {
  padding: 0 0 40px;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--rule);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.module-entry:last-of-type {
  border-bottom: 0;
}

.module-entry__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 16px;
  align-items: baseline;
  margin-bottom: 16px;
}

.module-entry__index {
  margin: 0;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--copper);
}

.module-entry__title {
  margin: 0;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.35;
}

.module-entry__stage {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--teal);
  padding: 2px 8px;
  border: 1px solid rgba(76, 107, 106, 0.3);
  border-radius: 3px;
  white-space: nowrap;
}

.module-entry__content {
  min-width: 0;
}

.module-entry__lead {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
  max-width: var(--text-width);
}

.field-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--rule);
  margin-bottom: 16px;
}

.field-list__row {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 20px;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
  min-width: 0;
}

.field-list dt,
.field-list__row dt {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--copper);
  line-height: 1.7;
}

.field-list dd,
.field-list__row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
  min-width: 0;
}

.module-entry__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
  padding-left: 14px;
  border-left: 2px solid var(--rule);
  max-width: var(--text-width);
}

.module-figure {
  margin: 0 0 40px;
}

.module-figure img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.module-order {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--rule);
}

.module-order .section-head {
  margin-bottom: 20px;
}

.module-order__tip {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--slate);
}

/* ==========================================================================
   pages · 适用团队与部署（deployment）
   ========================================================================== */

.section {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--rule);
}

.section__head {
  margin-bottom: 28px;
}

.section__head h2 {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 8px;
  line-height: 1.3;
}

.section__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
  max-width: var(--text-width);
}

.team-fit__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.team-fit__card {
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 6px;
  min-width: 0;
}

.team-fit__name {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}

.team-fit__cond {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

.team-fit__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--teal);
  padding-top: 8px;
  border-top: 1px dashed var(--rule);
}

.account-structure__table-wrap {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--white);
}

.account-structure__table-wrap table {
  min-width: 560px;
}

.account-structure__figure {
  margin-top: 24px;
}

.account-structure__figure img {
  aspect-ratio: 16 / 8;
  object-fit: cover;
}

.account-structure__notes {
  margin-top: 24px;
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 6px;
}

.account-structure__notes-title {
  margin: 0 0 14px;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.account-structure__notes .check-list {
  gap: 10px;
}

.account-structure__notes .check-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.account-structure__notes .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 10px;
  height: 2px;
  background: var(--teal);
}

/* --- 上线准备：左清单 + 右步骤 --- */

.launch-prep__columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

.launch-prep__col {
  min-width: 0;
}

.launch-prep__col-title {
  margin: 0 0 16px;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule);
}

.prep-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  counter-reset: prep;
}

.prep-list__item {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
  min-width: 0;
}

.prep-list__item:last-child {
  border-bottom: 0;
}

.prep-list__label {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--copper);
  line-height: 1.7;
  letter-spacing: 0.04em;
}

.prep-list__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
  min-width: 0;
}

.launch-prep__col--steps .step-list {
  gap: 0;
}

.launch-prep__col--steps .step-list__item {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 12px;
  row-gap: 2px;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
  min-width: 0;
}

.launch-prep__col--steps .step-list__item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.launch-prep__col--steps .step-list__num {
  grid-column: 1;
  grid-row: 1 / span 2;
  font-size: 12px;
  line-height: 1.7;
}

.launch-prep__col--steps .step-list__name {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-size: 15px;
  line-height: 1.5;
}

.launch-prep__col--steps .step-list__desc {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
  min-width: 0;
  max-width: none;
}

/* --- 内容边界 --- */

.boundary__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

.boundary__text {
  min-width: 0;
}

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

.boundary__item {
  padding: 14px 16px;
  background: var(--white);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--copper);
  border-radius: 4px;
  min-width: 0;
}

.boundary__label {
  display: block;
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}

.boundary__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

.boundary__figure {
  margin: 0;
}

.boundary__figure img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ==========================================================================
   pages · 运营流程（process）
   ========================================================================== */

.stage-overview {
  margin-top: 40px;
}

.stage-overview h2,
.stage-overview .section-title {
  margin: 0 0 8px;
}

.stage-overview .section-lead {
  margin: 0 0 24px;
}

.stage-overview__list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.stage-overview__item {
  padding: 20px 20px 20px 0;
  border-right: 1px solid var(--rule);
  min-width: 0;
}

.stage-overview__item:last-child {
  border-right: 0;
  padding-right: 0;
}

.stage-overview__num {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--copper);
  margin-bottom: 6px;
}

.stage-overview__name {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.stage-overview__goal {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.stage-block {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--rule);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.stage-block__head {
  margin-bottom: 24px;
}

.stage-block__num {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--copper);
  margin-bottom: 6px;
}

.stage-block__title {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
}

.stage-block__intro {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
  max-width: var(--text-width);
}

.stage-block__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  align-items: start;
}

.stage-block__col {
  min-width: 0;
}

.stage-block__col-title {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}

.task-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.task-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.task-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 1px;
  background: var(--copper);
}

.role-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.role-list li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.stage-figure {
  margin: 40px 0;
}

.stage-figure img {
  aspect-ratio: 16 / 8;
  object-fit: cover;
}

.handover {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--rule);
}

.handover h2,
.handover .section-title {
  margin: 0 0 8px;
}

.handover .section-lead {
  margin: 0 0 24px;
}

.handover__figure {
  margin: 0 0 24px;
}

.handover__figure img {
  aspect-ratio: 16 / 8;
  object-fit: cover;
}

.handover__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.handover__list li {
  padding: 14px 16px;
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 4px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
  min-width: 0;
}

.handover__list strong {
  display: block;
  font-family: var(--serif);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}

/* ==========================================================================
   pages · 活动管理（activities）
   ========================================================================== */

.page-shell {
  margin-top: 24px;
}

.page-head__body {
  min-width: 0;
}

.content-section {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--rule);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

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

.content-section .section-head h2 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
}

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

.summary-item {
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 6px;
  min-width: 0;
}

.summary-item__name {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.summary-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

/* --- 日程 + 场地 --- */

.schedule-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.schedule-layout__table,
.schedule-layout__venue {
  min-width: 0;
}

.subhead {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}

.schedule-layout__table .table-scroll {
  margin-bottom: 8px;
}

.venue-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--rule);
}

.venue-list__item,
.venue-list__row {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr);
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
  min-width: 0;
}

.venue-list dt {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--copper);
  line-height: 1.7;
}

.venue-list dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
  min-width: 0;
}

.content-section .media-figure {
  margin: 40px 0;
}

.content-section .media-figure img {
  aspect-ratio: 16 / 8;
  object-fit: cover;
}

/* --- 参与指南 --- */

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

.guide-step {
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 6px;
  min-width: 0;
}

.guide-step__num {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--copper);
}

.guide-step__name {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.guide-step__target {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.guide-step__prep {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--teal);
  padding-top: 8px;
  border-top: 1px dashed var(--rule);
}

/* --- 活动后记录 --- */

.record-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.record-layout__text {
  min-width: 0;
}

.record-layout__text p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
  max-width: var(--text-width);
}

.record-layout__fields {
  min-width: 0;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 6px;
}

.record-layout__fields .field-list {
  margin-bottom: 0;
  border-top: 0;
}

.record-layout__fields .field-list li {
  padding: 8px 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
  border-bottom: 1px solid var(--rule);
}

.record-layout__fields .field-list li:last-child {
  border-bottom: 0;
}

/* ==========================================================================
   pages · 数据复盘（review）
   ========================================================================== */

.page-hero {
  margin-top: 24px;
}

.report-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 48px;
  align-items: start;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--rule);
}

.page-hero__main {
  min-width: 0;
}

.page-hero__eyebrow {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--copper);
  text-transform: uppercase;
}

.page-hero__lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--slate);
  max-width: var(--text-width);
}

.page-hero__meta {
  border-left: 1px solid var(--rule);
  padding-left: 24px;
  min-width: 0;
}

.report-toc {
  grid-column: 1 / -1;
  margin-top: 8px;
  padding: 16px 20px;
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 6px;
}

.report-toc__title {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--copper);
  text-transform: uppercase;
}

.report-toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}

.report-toc__list a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  font-size: 14px;
  color: var(--slate);
  border-bottom: 1px solid transparent;
}

.report-toc__list a:hover {
  color: var(--copper);
  border-bottom-color: var(--copper);
}

.report-section {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--rule);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.report-section__head {
  margin-bottom: 20px;
}

.report-section__num {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--copper);
}

.report-section__title {
  margin: 0;
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
}

.report-section__body {
  min-width: 0;
}

.report-section__body > p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
  max-width: var(--text-width);
}

.report-section__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
  padding-left: 14px;
  border-left: 2px solid var(--rule);
  max-width: var(--text-width);
}

.summary-rules {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin: 24px 0;
}

.summary-rule {
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 6px;
  min-width: 0;
}

.summary-rule__title {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.summary-rule p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.report-figure {
  margin: 24px 0;
}

.report-figure img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.chart-notes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin: 24px 0;
}

.chart-note {
  padding: 16px 18px;
  background: var(--white);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--teal);
  border-radius: 4px;
  min-width: 0;
}

.chart-note__title {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.chart-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.conclusion-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  margin: 24px 0;
}

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

.conclusion-col__title {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}

.conclusion-col .check-list {
  gap: 10px;
}

.conclusion-col .check-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.conclusion-col .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 2px;
  background: var(--teal);
}

.action-fields {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--rule);
}

.action-fields__row {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 20px;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 14px;
  line-height: 1.7;
  min-width: 0;
}

.action-fields__row dt,
.action-fields__row strong {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--copper);
}

/* ==========================================================================
   pages · 帮助与问题处理（support）
   ========================================================================== */

.faq-group {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--rule);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.faq-group__head {
  margin-bottom: 20px;
}

.faq-group__head h2 {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
}

.faq-group__hint {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.faq-item__summary {
  padding: 16px 0;
}

.faq-item__title {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  min-width: 0;
}

.faq-item__toggle {
  flex-shrink: 0;
  font-family: var(--sans);
  font-size: 20px;
  color: var(--copper);
  line-height: 1;
}

.faq-item__lead {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
  max-width: var(--text-width);
}

.faq-item__body .step-list {
  gap: 8px;
  margin-bottom: 12px;
  max-width: var(--text-width);
}

.faq-item__body .step-list li {
  position: relative;
  padding-left: 26px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
  counter-increment: faqstep;
}

.faq-item__body .step-list li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.1em;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--copper);
}

.faq-item__role {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--teal);
  padding: 8px 12px;
  background: rgba(76, 107, 106, 0.06);
  border-left: 2px solid var(--teal);
  border-radius: 2px;
  max-width: var(--text-width);
}

.record-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
  max-width: var(--text-width);
}

.record-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.record-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 1px;
  background: var(--copper);
}

.record-list__label {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--copper);
  margin-right: 6px;
}

/* --- 通用处理顺序 --- */

.process-note {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--rule);
}

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

.process-note .section-head h2 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
}

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

.process-note__layout .media-figure {
  margin: 0;
}

.process-note__layout .media-figure img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  min-width: 0;
}

.process-steps__item {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 4px 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
  min-width: 0;
}

.process-steps__item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.process-steps__num {
  grid-column: 1;
  grid-row: 1 / span 2;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--copper);
  line-height: 1.7;
}

.process-steps__title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.5;
}

.process-steps__item p {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
  min-width: 0;
}

/* ==========================================================================
   pages · 404
   ========================================================================== */

.site-error .site-main {
  display: flex;
  align-items: center;
}

.error-main {
  width: 100%;
  padding: 80px 24px;
}

.error-main__inner {
  max-width: var(--wrap);
  margin: 0 auto;
}

.error-main__code {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--copper);
}

.error-main__title {
  margin: 0 0 16px;
  font-family: var(--serif);
  font-size: 36px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink);
}

.error-main__lead {
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--slate);
  max-width: var(--text-width);
}

.error-main__home {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 20px;
  font-size: 15px;
  color: var(--white);
  background: var(--ink);
  border-radius: 4px;
  margin-bottom: 40px;
}

.error-main__home:hover {
  color: var(--white);
  background: var(--copper);
}

.error-main__links {
  padding-top: 24px;
  border-top: 1px solid var(--rule);
}

.error-main__links-title {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink);
  text-transform: uppercase;
}

.error-main__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.error-main__list a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  font-size: 14px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 4px;
}

.error-main__list a:hover {
  border-color: var(--copper);
  color: var(--copper);
}

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

@media (max-width: 1080px) {
  .hero__inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
  }

  .hero-copy h1 {
    font-size: 34px;
  }

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

  .module-row {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 32px;
  }

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

  .phase-step {
    border-right: 0;
    border-bottom: 1px solid var(--rule);
    padding-right: 20px;
  }

  .phase-step:nth-child(2n) {
    padding-right: 0;
    padding-left: 20px;
    border-left: 1px solid var(--rule);
  }

  .phase-step:nth-last-child(-n+2) {
    border-bottom: 0;
  }

  .preview--activity,
  .preview--review {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

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

  .page-head__inner,
  .page-intro__body,
  .page-title__inner,
  .report-hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .page-head__meta,
  .page-intro__meta,
  .page-title__meta,
  .page-hero__meta {
    border-left: 0;
    border-top: 1px solid var(--rule);
    padding-left: 0;
    padding-top: 16px;
  }

  .meta-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 16px 32px;
  }

  .meta-list__row,
  .meta-list__item {
    flex: 1 1 180px;
    border-bottom: 0;
    padding-bottom: 0;
  }

  .modules-layout,
  .sidebar-left .page-layout,
  .page-layout.sidebar-left {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .module-toc {
    position: static;
  }

  .module-toc__list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 4px;
  }

  .module-toc__list a {
    border-left: 0;
    border-bottom: 2px solid transparent;
    min-height: 40px;
  }

  .module-toc__list a.is-active {
    border-left: 0;
    border-bottom-color: var(--copper);
  }

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

  .launch-prep__columns,
  .boundary__body {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

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

  .stage-overview__item {
    border-right: 0;
    border-bottom: 1px solid var(--rule);
    padding-right: 20px;
  }

  .stage-overview__item:nth-child(2n) {
    padding-left: 20px;
    padding-right: 0;
    border-left: 1px solid var(--rule);
  }

  .stage-overview__item:nth-last-child(-n+2) {
    border-bottom: 0;
  }

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

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

  .schedule-layout,
  .record-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .summary-rules,
  .chart-notes {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .process-note__layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .site-footer__inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }
}

@media (max-width: 760px) {
  :root {
    --header-h: 64px;
  }

  body {
    font-size: 15px;
  }

  /* 移动导航：只收起列表本身 */
  .site-header__inner {
    position: relative;
    padding: 0 20px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: block;
    background: var(--white);
    border-bottom: 1px solid var(--rule);
    box-shadow: 0 8px 20px rgba(23, 33, 46, 0.08);
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }

  .primary-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    transition: max-height 0.25s ease;
  }

  .primary-nav__list.is-open {
    max-height: 70vh;
    visibility: visible;
    overflow-y: auto;
  }

  .primary-nav__list li {
    display: block;
    border-bottom: 1px solid var(--rule);
  }

  .primary-nav__list li:last-child {
    border-bottom: 0;
  }

  .primary-nav__list a {
    display: flex;
    min-height: 48px;
    padding: 0 20px;
    font-size: 16px;
    border-bottom: 0;
    border-left: 2px solid transparent;
  }

  .primary-nav__list a.is-current {
    border-left-color: var(--copper);
    background: var(--paper);
  }

  /* 顶部工具条 */
  .utility-bar__inner,
  .top-bar__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 8px 20px;
  }

  .utility-bar__links,
  .top-bar__links {
    gap: 16px;
  }

  .utility-bar__links a,
  .top-bar__links a {
    min-height: 32px;
    display: inline-flex;
    align-items: center;
  }

  /* 内页容器 */
  .inner-main {
    padding: 0 20px 56px;
  }

  .breadcrumb {
    padding-top: 16px;
    font-size: 12px;
  }

  .page-header {
    padding: 16px 0 4px;
  }

  .page-title {
    font-size: 26px;
    line-height: 1.3;
  }

  .page-head,
  .page-intro,
  .page-title {
    margin-top: 12px;
  }

  /* 首页首屏 */
  .hero {
    padding: 32px 0 40px;
  }

  .hero__inner {
    padding: 0 20px;
    gap: 32px;
  }

  .hero-copy h1 {
    font-size: 28px;
    margin-bottom: 16px;
  }

  .hero-copy__lead {
    font-size: 15px;
    margin-bottom: 20px;
  }

  .hero-copy__actions {
    gap: 16px;
    margin-bottom: 24px;
  }

  .hero-copy__facts {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .hero-copy__fact {
    display: grid;
    grid-template-columns: 100px minmax(0, 1fr);
    gap: 12px;
    align-items: baseline;
  }

  .hero-copy__fact dt {
    margin-bottom: 0;
  }

  /* 产品面板：横向可滑动两屏 */
  .hero-panel {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .panel-stats {
    min-width: 300px;
  }

  .topic-list {
    min-width: 300px;
  }

  .layer-legend {
    min-width: 300px;
  }

  .topic-list__row {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) auto;
    padding: 10px 14px;
    gap: 8px;
    font-size: 13px;
  }

  .hero-figure {
    margin: 32px 20px 0;
  }

  .hero-figure img {
    aspect-ratio: 16 / 10;
  }

  /* 区块 */
  .scenarios,
  .modules,
  .phases,
  .preview,
  .fit {
    padding: 40px 0;
  }

  .scenarios .section-head,
  .modules .section-head,
  .phases .section-head,
  .fit .section-head {
    padding: 0 20px;
    margin-bottom: 24px;
  }

  .section-head h2,
  .section-head__title,
  .section-title,
  .preview__body h2 {
    font-size: 22px;
  }

  .scenarios__grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
    padding: 0 20px;
  }

  .scenario-card {
    padding: 18px;
  }

  .scenario-card .link-arrow {
    min-height: 44px;
  }

  .module-rows {
    padding: 0 20px;
  }

  .module-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
    padding: 20px 0;
  }

  .module-row::before {
    left: -20px;
    top: 20px;
    bottom: 20px;
  }

  .module-row__head {
    align-items: baseline;
  }

  .module-row__name {
    font-size: 17px;
  }

  .modules__foot,
  .phases__foot {
    padding: 0 20px;
    margin-top: 20px;
  }

  .modules__foot .link-arrow,
  .phases__foot .link-arrow,
  .fit__col--check .link-arrow {
    min-height: 44px;
  }

  /* 四步流程：纵向带连接线 */
  .phase-strip {
    grid-template-columns: minmax(0, 1fr);
    padding: 0 20px;
    border-top: 0;
  }

  .phase-step {
    padding: 16px 0 16px 24px;
    border-right: 0;
    border-left: 1px solid var(--rule);
    border-bottom: 0;
    position: relative;
  }

  .phase-step:nth-child(2n),
  .phase-step:nth-last-child(-n+2) {
    padding-left: 24px;
    padding-right: 0;
    border-left: 1px solid var(--rule);
    border-bottom: 0;
  }

  .phase-step:last-child {
    border-left-color: transparent;
  }

  .phase-step::before {
    content: "";
    position: absolute;
    left: -5px;
    top: 22px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--white);
    border: 2px solid var(--copper);
  }

  .phase-step__num {
    margin-bottom: 4px;
  }

  /* 活动 / 复盘预览 */
  .preview--activity,
  .preview--review {
    padding: 40px 20px;
    gap: 24px;
  }

  .preview__media {
    order: -1;
  }

  .preview--review .preview__media {
    order: 1;
  }

  .preview__media img {
    aspect-ratio: 16 / 10;
  }

  .activity-block {
    padding: 12px 0;
  }

  .fit__grid {
    padding: 0 20px;
    gap: 32px;
  }

  .fit__col-title {
    font-size: 17px;
  }

  /* 通用内页区块 */
  .section,
  .content-section,
  .report-section,
  .faq-group,
  .process-note,
  .stage-block,
  .handover {
    margin-top: 36px;
    padding-top: 24px;
  }

  .section__head h2,
  .content-section .section-head h2,
  .report-section__title,
  .faq-group__head h2,
  .process-note .section-head h2,
  .stage-block__title {
    font-size: 21px;
  }

  .team-fit__grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .team-fit__card {
    padding: 16px;
  }

  /* 表格滚动容器：限制在视口内 */
  .table-scroll,
  .account-structure__table-wrap {
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
  }

  .table-scroll table,
  .account-structure__table-wrap table {
    min-width: 520px;
  }

  .data-table thead th,
  .data-table tbody th,
  .data-table tbody td,
  .metric-table thead th,
  .metric-table tbody td {
    padding: 10px 12px;
    font-size: 13px;
  }

  /* 上线准备与步骤 */
  .launch-prep__columns {
    gap: 28px;
  }

  .launch-prep__col-title {
    font-size: 16px;
  }

  .prep-list__item,
  .launch-prep__col--steps .step-list__item {
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 10px;
    padding: 10px 0;
  }

  .prep-list__desc,
  .launch-prep__col--steps .step-list__desc {
    font-size: 14px;
    line-height: 1.7;
  }

  /* 内容边界 */
  .boundary__item {
    padding: 12px 14px;
  }

  /* 功能模块页 */
  .module-entry {
    padding-bottom: 32px;
    margin-bottom: 32px;
  }

  .module-entry__head {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 8px 12px;
  }

  .module-entry__title {
    font-size: 20px;
  }

  .module-entry__stage {
    grid-column: 2;
    justify-self: start;
  }

  .field-list__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
    padding: 10px 0;
  }

  .module-figure {
    margin-bottom: 32px;
  }

  .module-figure img {
    aspect-ratio: 16 / 10;
  }

  .module-order {
    margin-top: 32px;
    padding-top: 24px;
  }

  /* 运营流程 */
  .stage-overview {
    margin-top: 32px;
  }

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

  .stage-overview__item,
  .stage-overview__item:nth-child(2n),
  .stage-overview__item:nth-last-child(-n+2) {
    padding: 14px 0;
    border-left: 0;
    border-right: 0;
    border-bottom: 1px solid var(--rule);
  }

  .stage-overview__item:last-child {
    border-bottom: 0;
  }

  .stage-block__grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .stage-block__col {
    padding-bottom: 16px;
    border-bottom: 1px solid var(--rule);
  }

  .stage-block__col:last-child {
    border-bottom: 0;
    padding-bottom: 0;
  }

  .stage-figure {
    margin: 32px 0;
  }

  .stage-figure img {
    aspect-ratio: 16 / 10;
  }

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

  /* 活动管理 */
  .summary-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .summary-item {
    padding: 14px;
  }

  .schedule-layout,
  .record-layout {
    gap: 24px;
  }

  .venue-list__item,
  .venue-list__row {
    grid-template-columns: 80px minmax(0, 1fr);
    gap: 10px;
  }

  .guide-steps {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .guide-step {
    padding: 14px;
  }

  .content-section .media-figure {
    margin: 28px 0;
  }

  .content-section .media-figure img {
    aspect-ratio: 16 / 10;
  }

  .record-layout__fields {
    padding: 14px;
  }

  /* 数据复盘 */
  .report-hero {
    gap: 20px;
    padding-bottom: 24px;
  }

  .report-toc {
    padding: 14px 16px;
    margin-top: 0;
  }

  .report-toc__list {
    flex-direction: column;
    gap: 0;
  }

  .report-toc__list a {
    min-height: 40px;
    border-bottom: 1px solid var(--rule);
  }

  .report-toc__list li:last-child a {
    border-bottom: 0;
  }

  .summary-rules,
  .chart-notes {
    gap: 12px;
    margin: 20px 0;
  }

  .summary-rule,
  .chart-note {
    padding: 14px 16px;
  }

  .report-figure {
    margin: 20px 0;
  }

  .report-figure img {
    aspect-ratio: 16 / 10;
  }

  .action-fields__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
    padding: 10px 0;
  }

  /* 帮助与问题处理 */
  .faq-item__summary {
    padding: 14px 0;
    min-height: 52px;
    gap: 12px;
  }

  .faq-item__title {
    font-size: 16px;
    line-height: 1.5;
  }

  .faq-item__lead {
    font-size: 14px;
  }

  .faq-item__body .step-list li {
    padding-left: 24px;
  }

  .process-steps__item {
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 2px 10px;
    padding: 10px 0;
  }

  .process-note__layout .media-figure img {
    aspect-ratio: 16 / 10;
  }

  /* 相关页面 */
  .related-band {
    margin-top: 36px;
    padding-top: 20px;
  }

  .related-band__list {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .related-band__item {
    padding: 14px;
  }

  .related-band__item a {
    min-height: 32px;
  }

  /* 页脚 */
  .site-footer {
    margin-top: 40px;
  }

  .site-footer__inner {
    padding: 32px 20px 24px;
    gap: 28px;
  }

  .site-footer__name {
    font-size: 20px;
  }

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

  .site-footer__links {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0 20px;
  }

  .site-footer__links a {
    min-height: 40px;
  }

  .site-footer__bottom {
    padding: 14px 20px 24px;
    flex-direction: column;
    gap: 4px;
  }

  /* 404 */
  .error-main {
    padding: 56px 20px;
  }

  .error-main__title {
    font-size: 28px;
  }

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

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

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

/* 程序验收反馈：移动端防溢出 */
@media (max-width: 768px) {
  .site-main,
  .site-main * {
    min-width: 0;
    max-width: 100%;
  }

  .site-main :is(h1, h2, h3, h4, p, a, span) {
    overflow-wrap: anywhere;
  }
}