:root {
  --bg: #F7F5F1;
  --text: #23262B;
  --text-soft: #626873;
  --line: #DDD8D0;
  --accent: #2F5D62;
  --accent-soft: #EDEAE3;
  --copper: #B08A5A;
  --radius: 6px;
  --wrap: 1120px;
  --prose: 760px;
  --font: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, "Courier New", monospace;
}

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

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

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

body.site-body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
}

h1,
h2,
h3,
h4,
p,
ul,
ol,
dl,
dd,
figure,
blockquote {
  margin: 0;
  padding: 0;
}

ul,
ol {
  list-style: none;
}

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

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

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

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

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

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

time,
.num,
.direction-num,
.direction-no,
.flow-num,
.flow-index,
.delivery-index,
.criteria-no,
.tag-num {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 20px 32px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  font-size: 21px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.brand::after {
  content: "通用型企业官网";
  font-size: 12px;
  font-weight: 400;
  color: var(--text-soft);
  letter-spacing: 0.06em;
}

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

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

.nav-list li {
  display: block;
}

.nav-list a {
  display: inline-block;
  padding: 10px 16px;
  min-height: 44px;
  font-size: 15px;
  color: var(--text-soft);
  border-bottom: 2px solid transparent;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--copper);
}

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

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
  font-size: 15px;
}

.nav-toggle-icon {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--text);
}

.nav-toggle-icon::before {
  top: -6px;
}

.nav-toggle-icon::after {
  top: 6px;
}

.site-main {
  display: block;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 32px 72px;
}

.inner-main {
  padding-top: 28px;
}

.site-footer {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px 40px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 48px 32px 24px;
  border-top: 1px solid var(--line);
  color: var(--text-soft);
  font-size: 14px;
}

/* ==========================================================================
   components · 通用元素
   ========================================================================== */

.fact-bar {
  margin: 0;
  padding: 10px 32px;
  background: var(--accent-soft);
  color: var(--text-soft);
  font-size: 13px;
  letter-spacing: 0.02em;
  text-align: center;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--text-soft);
  letter-spacing: 0.02em;
}

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

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

.page-header {
  max-width: var(--prose);
  margin: 24px 0 0;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.page-title {
  font-size: 34px;
  line-height: 1.32;
  font-weight: 700;
  color: var(--text);
}

.page-description {
  margin-top: 14px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-meta {
  margin-top: 14px;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--text-soft);
}

.page-meta time {
  font-family: var(--mono);
  font-size: 12px;
}

.section-title {
  font-size: 22px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--text);
}

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

.subsection-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.01em;
}

.section-more {
  margin-top: 20px;
  font-size: 15px;
}

.section-more a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  color: var(--accent);
}

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

.section-figure {
  margin-top: 28px;
}

.section-figure img,
.page-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--accent-soft);
}

.section-figure figcaption,
.page-media figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--text-soft);
}

.page-media {
  max-width: var(--prose);
  margin: 28px 0 0;
}

.text-link {
  display: inline-block;
  min-height: 44px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}

.related-links,
.related-section {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.related-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.related-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.related-list li {
  display: block;
}

.related-list a,
.related-item a {
  display: block;
  min-height: 44px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
  font-size: 15px;
}

.related-list a:hover,
.related-item a:hover {
  border-color: var(--copper);
  color: var(--accent);
}

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

.footer-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}

.footer-col p {
  line-height: 1.8;
}

.footer-list {
  display: grid;
  gap: 8px;
}

.footer-list li {
  line-height: 1.7;
}

.footer-list time {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--copper);
  margin-right: 8px;
}

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

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

.footer-copy {
  grid-column: 1 / -1;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--text-soft);
}

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

.home-main {
  padding-top: 32px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.85fr);
  gap: 40px;
  align-items: start;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line);
}

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

.hero-title {
  font-size: 34px;
  line-height: 1.34;
  font-weight: 700;
  color: var(--text);
}

.hero-lead {
  max-width: 620px;
  margin-top: 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-soft);
}

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

.entry-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
  font-size: 15px;
}

.entry-link:hover {
  border-color: var(--copper);
  color: var(--accent);
}

.entry-link-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.entry-link-primary:hover {
  background: #274d51;
  border-color: #274d51;
  color: #fff;
}

.hero-figure {
  margin-top: 32px;
}

.hero-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--accent-soft);
}

.hero-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--text-soft);
}

.hero-side {
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.hero-side-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.quick-table {
  margin-top: 4px;
  font-size: 14px;
}

.quick-table-caption {
  padding: 12px 0 8px;
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-soft);
}

.quick-table th {
  padding: 8px 6px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-soft);
  border-bottom: 1px solid var(--line);
}

.quick-table td {
  padding: 10px 6px;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  line-height: 1.6;
}

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

.quick-table td.num {
  width: 2.4em;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--copper);
}

.hero-side-note {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-soft);
}

/* 机构定位与主要工作 */

.positioning {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 40px;
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
}

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

.positioning-body h2 {
  font-size: 22px;
  line-height: 1.4;
  font-weight: 700;
}

.positioning-body p {
  max-width: var(--prose);
  margin-top: 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-soft);
}

.positioning-tags {
  min-width: 0;
}

.tag-list-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.tag-list {
  display: grid;
  gap: 0;
}

.tag-item {
  display: grid;
  grid-template-columns: 2.6em minmax(0, 1fr);
  grid-template-areas:
    "num name"
    "num desc";
  gap: 2px 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.tag-num {
  grid-area: num;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--copper);
  padding-top: 3px;
}

.tag-name {
  grid-area: name;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.tag-desc {
  grid-area: desc;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-soft);
}

/* 服务方向总览 */

.directions {
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
}

.directions h2 {
  font-size: 22px;
  line-height: 1.4;
  font-weight: 700;
}

.direction-list {
  margin-top: 28px;
  border-top: 1px solid var(--line);
}

.direction-row {
  display: grid;
  grid-template-columns: 3.2em minmax(0, 1fr) auto;
  gap: 20px;
  align-items: start;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.direction-num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--copper);
  padding-top: 4px;
}

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

.direction-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
}

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

.direction-work {
  margin-top: 6px;
}

.direction-link {
  align-self: center;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  font-size: 14px;
  white-space: nowrap;
}

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

/* 合作流程四阶段 */

.flow {
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
}

.flow h2 {
  font-size: 22px;
  line-height: 1.4;
  font-weight: 700;
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
  margin-top: 28px;
}

.flow-step {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.flow-num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--copper);
}

.flow-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

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

.flow-party {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--text-soft);
}

/* 交付范围与验收口径摘要 */

.delivery {
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
}

.delivery h2 {
  font-size: 22px;
  line-height: 1.4;
  font-weight: 700;
}

.delivery-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  margin-top: 28px;
}

.delivery-col {
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.delivery-col h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.delivery-list {
  display: grid;
  gap: 0;
}

.delivery-list li {
  padding: 12px 0 12px 18px;
  position: relative;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
  border-bottom: 1px solid var(--line);
}

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

.delivery-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 6px;
  height: 6px;
  border: 1px solid var(--copper);
  border-radius: 50%;
}

/* 公开内容与发展记录 */

.records {
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
}

.records h2 {
  font-size: 22px;
  line-height: 1.4;
  font-weight: 700;
}

.record-list {
  margin-top: 24px;
  border-top: 1px solid var(--line);
}

.record-item {
  display: grid;
  grid-template-columns: 7.5em minmax(0, 1fr);
  gap: 6px 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.record-time {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--copper);
  padding-top: 4px;
}

.record-topic {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.record-summary {
  grid-column: 2 / 3;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}

/* 常见问题速览 */

.faq {
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
}

.faq h2 {
  font-size: 22px;
  line-height: 1.4;
  font-weight: 700;
}

.faq-list {
  max-width: var(--prose);
  margin-top: 24px;
  border-top: 1px solid var(--line);
}

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

.faq-question {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  min-height: 44px;
  padding: 16px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  list-style: none;
}

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

.faq-question::after {
  content: "展开";
  flex: 0 0 auto;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--copper);
  padding-top: 4px;
}

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

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

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

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

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

/* 站内栏目索引 */

.site-index {
  padding: 48px 0 0;
}

.site-index h2 {
  font-size: 22px;
  line-height: 1.4;
  font-weight: 700;
}

.index-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.index-item {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.index-item h3 {
  font-size: 16px;
  font-weight: 600;
}

.index-item h3 a {
  display: inline-block;
  min-height: 32px;
  color: var(--text);
}

.index-item h3 a:hover {
  color: var(--accent);
}

.index-item p {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-soft);
}

/* ==========================================================================
   pages · 内页 · 服务方向
   ========================================================================== */

.section {
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
}

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

.section-directions {
  padding-top: 32px;
}

.direction-index {
  margin-top: 24px;
  border-top: 1px solid var(--line);
}

.direction-index .direction-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(200px, 260px);
  gap: 28px;
  align-items: start;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.direction-item {
  min-width: 0;
  display: grid;
  grid-template-columns: 3.2em minmax(0, 1fr);
  gap: 4px 16px;
}

.direction-no {
  grid-column: 1 / 2;
  grid-row: 1 / 4;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--copper);
  padding-top: 4px;
}

.direction-item .direction-name {
  grid-column: 2 / 3;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}

.direction-fields {
  grid-column: 2 / 3;
  display: grid;
  grid-template-columns: 6em minmax(0, 1fr);
  gap: 6px 12px;
  margin-top: 10px;
}

.direction-fields dt {
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--text-soft);
}

.direction-fields dd {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}

.direction-entry {
  grid-column: 2 / 3;
  margin-top: 12px;
}

.direction-entry a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  font-size: 14px;
}

.direction-entry a:hover {
  border-color: var(--copper);
  color: var(--accent);
}

.direction-figure {
  min-width: 0;
  margin: 0;
}

.direction-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--accent-soft);
}

.criteria-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 40px;
  margin-top: 24px;
}

.criteria-list,
.criteria-notes {
  min-width: 0;
}

.criteria-items {
  margin-top: 16px;
  border-top: 1px solid var(--line);
}

.criteria-item {
  display: grid;
  grid-template-columns: 2.8em minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.criteria-no {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--copper);
  padding-top: 3px;
}

.criteria-name {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

.criteria-notes p {
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-soft);
}

.criteria-notes p:first-of-type {
  margin-top: 16px;
}

.fit-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  margin-top: 24px;
}

.fit-column {
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.fit-column .subsection-title {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.fit-yes .subsection-title {
  color: var(--accent);
}

.fit-no .subsection-title {
  color: var(--copper);
}

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

.fit-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

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

.fit-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.7;
}

.fit-note {
  margin-top: 4px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-soft);
}

.combination-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.combination-item {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.combination-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

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

/* ==========================================================================
   pages · 内页 · 合作流程
   ========================================================================== */

.flow-section {
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
}

.flow-section h2,
.node-section h2,
.checklist-section h2,
.blocker-section h2,
.related-section h2 {
  font-size: 22px;
  line-height: 1.4;
  font-weight: 700;
}

.flow-section .flow-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 28px;
}

.flow-item {
  display: flex;
  min-width: 0;
}

.flow-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.flow-index {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--copper);
}

.flow-card .flow-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.flow-card .flow-desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}

.flow-prep {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.flow-prep-label {
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--text);
  font-weight: 600;
}

.flow-prep-list {
  margin-top: 6px;
  display: grid;
  gap: 4px;
}

.flow-prep-list li {
  position: relative;
  padding-left: 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-soft);
}

.flow-prep-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--copper);
}

.node-section,
.checklist-section,
.blocker-section,
.related-section {
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
}

.related-section {
  border-bottom: 0;
  padding-bottom: 0;
}

.node-list {
  margin-top: 24px;
  border-top: 1px solid var(--line);
}

.node-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 12em;
  gap: 6px 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.node-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.node-time {
  grid-column: 2 / 3;
  grid-row: 1 / 2;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--copper);
  text-align: right;
}

.node-way {
  grid-column: 1 / 3;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}

.checklist-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.checklist-item {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  background: #fff;
}

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

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

.blocker-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  margin-top: 24px;
}

.blocker-col {
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.blocker-subtitle {
  font-size: 16px;
  font-weight: 600;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.blocker-col-cause .blocker-subtitle {
  color: var(--copper);
}

.blocker-col-fix .blocker-subtitle {
  color: var(--accent);
}

.blocker-cause-list,
.blocker-fix-list {
  margin-top: 4px;
}

.blocker-cause-list li,
.blocker-fix-list li {
  position: relative;
  padding: 12px 0 12px 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
  border-bottom: 1px solid var(--line);
}

.blocker-cause-list li:last-child,
.blocker-fix-list li:last-child {
  border-bottom: 0;
}

.blocker-cause-list li::before,
.blocker-fix-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 6px;
  height: 6px;
  border: 1px solid var(--copper);
  border-radius: 50%;
}

.blocker-fix-list li::before {
  border-color: var(--accent);
}

/* ==========================================================================
   pages · 内页 · 交付范围
   ========================================================================== */

.section-delivery-list {
  padding-top: 32px;
}

.delivery-row {
  display: grid;
  grid-template-columns: 3em minmax(0, 1fr);
  gap: 4px 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.section-delivery-list .delivery-row:first-of-type {
  margin-top: 24px;
  border-top: 1px solid var(--line);
}

.delivery-index {
  grid-row: 1 / 4;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--copper);
  padding-top: 4px;
}

.delivery-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
}

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

.delivery-confirm {
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--copper);
}

.acceptance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  margin-top: 24px;
}

.acceptance-col {
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.acceptance-subtitle {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.acceptance-basis .acceptance-subtitle {
  color: var(--accent);
}

.acceptance-timing .acceptance-subtitle {
  color: var(--copper);
}

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

.acceptance-list li {
  position: relative;
  padding: 12px 0 12px 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
  border-bottom: 1px solid var(--line);
}

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

.acceptance-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 6px;
  height: 6px;
  border: 1px solid var(--copper);
  border-radius: 50%;
}

.scope-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.scope-item {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

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

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

.misconception-item {
  max-width: var(--prose);
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.section-misconception .misconception-item:first-of-type {
  margin-top: 20px;
  border-top: 1px solid var(--line);
}

.misconception-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--copper);
}

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

/* ==========================================================================
   pages · 内页 · 问题解答
   ========================================================================== */

.faq-section {
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
}

.faq-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.faq-tab {
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  font-size: 15px;
  color: var(--text-soft);
}

.faq-tab:hover {
  color: var(--accent);
  border-color: var(--copper);
}

.faq-tab.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}

.faq-panel {
  max-width: var(--prose);
  margin-top: 8px;
}

.faq-panel[hidden] {
  display: none;
}

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

.faq-panel .faq-item:first-child {
  border-top: 0;
}

.lookup-section,
.terms-section,
.related-section {
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
}

.lookup-section .section-figure {
  max-width: var(--prose);
}

.lookup-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.lookup-item {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.lookup-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

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

.lookup-item .text-link {
  margin-top: 8px;
  font-size: 14px;
}

.terms-list {
  max-width: var(--prose);
  margin-top: 20px;
}

.terms-item {
  display: grid;
  grid-template-columns: 8em minmax(0, 1fr);
  gap: 6px 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.terms-item dt {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.terms-item dd {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}

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

.error-main {
  padding-top: 56px;
}

.error-block {
  max-width: var(--prose);
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}

.error-code {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--copper);
}

.error-block h1 {
  margin-top: 12px;
  font-size: 34px;
  line-height: 1.34;
  font-weight: 700;
}

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

.error-home {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-top: 24px;
  padding: 10px 20px;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  font-size: 15px;
}

.error-home:hover {
  background: #274d51;
  border-color: #274d51;
  color: #fff;
}

.error-paths {
  padding: 40px 0 0;
}

.error-paths h2 {
  font-size: 22px;
  line-height: 1.4;
  font-weight: 700;
}

.error-path-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.error-path-list a {
  display: block;
  min-height: 44px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
  font-size: 15px;
}

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

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

@media (max-width: 1024px) {
  .site-header {
    padding: 16px 24px;
  }

  .site-main {
    padding: 0 24px 64px;
  }

  .site-footer {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 40px 24px 20px;
  }

  .fact-bar {
    padding: 10px 24px;
  }

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

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

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

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

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

  .direction-figure img {
    aspect-ratio: 16 / 9;
  }

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

@media (max-width: 768px) {
  .site-header {
    flex-wrap: wrap;
    gap: 12px;
    padding: 14px 20px;
  }

  .brand {
    font-size: 19px;
  }

  .nav-toggle {
    display: inline-flex;
  }

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

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    padding: 8px 0 4px;
    border-top: 1px solid var(--line);
  }

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

  .nav-list a {
    display: flex;
    align-items: center;
    min-height: 48px;
    padding: 12px 4px;
    border-bottom: 1px solid var(--line);
    border-bottom-width: 1px;
    font-size: 16px;
  }

  .nav-list a.is-current {
    border-bottom-color: var(--line);
    border-left: 3px solid var(--accent);
    padding-left: 12px;
  }

  .site-main {
    padding: 0 20px 56px;
  }

  .site-footer {
    gap: 28px 24px;
    padding: 36px 20px 20px;
  }

  .fact-bar {
    padding: 10px 20px;
    text-align: left;
  }

  .page-title,
  .hero-title,
  .error-block h1 {
    font-size: 26px;
  }

  .section-title,
  .positioning-body h2,
  .directions h2,
  .flow h2,
  .delivery h2,
  .records h2,
  .faq h2,
  .site-index h2,
  .flow-section h2,
  .node-section h2,
  .checklist-section h2,
  .blocker-section h2,
  .related-section h2,
  .error-paths h2 {
    font-size: 19px;
  }

  .hero-side {
    padding: 20px;
  }

  .quick-table {
    font-size: 13px;
  }

  .direction-row {
    grid-template-columns: 2.6em minmax(0, 1fr);
    gap: 6px 14px;
  }

  .direction-link {
    grid-column: 2 / 3;
    justify-self: start;
    margin-top: 4px;
  }

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

  .record-summary {
    grid-column: 1 / 2;
  }

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

  .node-time {
    grid-column: 1 / 2;
    grid-row: auto;
    text-align: left;
  }

  .node-way {
    grid-column: 1 / 2;
  }

  .direction-item {
    grid-template-columns: 2.6em minmax(0, 1fr);
  }

  .direction-fields {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .direction-fields dd {
    margin-bottom: 8px;
  }

  .terms-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .delivery-row {
    grid-template-columns: 2.4em minmax(0, 1fr);
    gap: 4px 14px;
  }

  .faq-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 12px;
    -webkit-overflow-scrolling: touch;
  }

  .faq-tab {
    flex: 0 0 auto;
  }
}

@media (max-width: 480px) {
  .site-header {
    padding: 12px 16px;
  }

  .site-main {
    padding: 0 16px 48px;
  }

  .site-footer {
    grid-template-columns: minmax(0, 1fr);
    padding: 32px 16px 16px;
  }

  .fact-bar {
    padding: 10px 16px;
    font-size: 12px;
  }

  .brand::after {
    display: none;
  }

  .page-title,
  .hero-title,
  .error-block h1 {
    font-size: 23px;
  }

  .hero-lead,
  .positioning-body p,
  .page-description,
  .error-text {
    font-size: 15px;
  }

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

  .entry-link {
    justify-content: center;
  }

  .delivery-col,
  .fit-column,
  .blocker-col,
  .acceptance-col,
  .hero-side,
  .index-item,
  .checklist-item,
  .scope-item,
  .lookup-item,
  .combination-item,
  .flow-step,
  .flow-card {
    padding: 18px;
  }

  .direction-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

  .direction-num {
    padding-top: 0;
  }

  .direction-link {
    grid-column: 1 / 2;
  }

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

  .direction-no {
    grid-column: 1 / 2;
    grid-row: auto;
    padding-top: 0;
  }

  .direction-item .direction-name,
  .direction-fields,
  .direction-entry {
    grid-column: 1 / 2;
  }

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

  .delivery-index {
    grid-row: auto;
    padding-top: 0;
  }

  .criteria-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .criteria-no {
    padding-top: 0;
  }

  .tag-item {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "num"
      "name"
      "desc";
    gap: 2px;
  }

  .tag-num {
    padding-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}