/* ==========================================================================
   囧次元 dwvxe.cn — 全站样式表
   分组：base / layout / components / pages / responsive
   ========================================================================== */

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

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

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

body {
  margin: 0;
  background-color: #f7f8fa;
  color: #1f2329;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 600;
  line-height: 1.4;
  color: #1f2329;
}

p {
  margin: 0;
}

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

dl,
dd,
dt {
  margin: 0;
}

a {
  color: #2f6f5e;
  text-decoration: none;
}

a:hover,
a:focus-visible {
  color: #235347;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid #2f6f5e;
  outline-offset: 2px;
}

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

button {
  font: inherit;
  color: inherit;
}

code,
.preview-code,
.direction-code,
.direction-no,
.process-step,
.stage-no,
.node-no,
.item-code,
.error-code,
.factbar-text,
.fact-bar-text {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;
}

/* --------------------------------------------------------------------------
   layout — 全站骨架
   -------------------------------------------------------------------------- */

.site-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: #f7f8fa;
}

/* 顶部事实条 */

.site-factbar,
.fact-bar {
  background-color: #eef1f4;
  border-bottom: 1px solid #e3e6ea;
}

.factbar-text,
.fact-bar-text {
  max-width: 1120px;
  margin: 0 auto;
  padding: 8px 24px;
  font-size: 13px;
  line-height: 1.6;
  color: #5c6470;
}

/* 页头 */

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background-color: #ffffff;
  border-bottom: 1px solid #e3e6ea;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 24px;
}

.brand {
  flex: none;
  font-size: 19px;
  font-weight: 600;
  color: #1f2329;
  letter-spacing: 0;
}

.brand:hover,
.brand:focus-visible {
  color: #2f6f5e;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  min-width: 76px;
  min-height: 44px;
  padding: 0 16px;
  background-color: #ffffff;
  border: 1px solid #d5dae0;
  border-radius: 6px;
  font-size: 15px;
  cursor: pointer;
}

.nav-toggle:hover {
  border-color: #2f6f5e;
  color: #2f6f5e;
}

.site-nav {
  flex: 1 1 auto;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 4px 8px;
}

.nav-list li {
  display: block;
}

.nav-list a {
  display: block;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 15px;
  color: #5c6470;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  background-color: #f1f4f6;
  color: #1f2329;
}

.nav-list a.is-current {
  color: #2f6f5e;
  font-weight: 600;
  background-color: #eaf1ee;
}

/* 主内容容器 */

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

.home-main {
  display: block;
}

.inner-main {
  display: block;
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px 24px 56px;
}

.main-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px 24px 56px;
}

/* 面包屑 */

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 16px;
  font-size: 14px;
  color: #5c6470;
}

.breadcrumb a {
  color: #5c6470;
}

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: #2f6f5e;
}

.breadcrumb-sep {
  color: #a4abb4;
}

.breadcrumb-current {
  color: #1f2329;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.breadcrumb-list li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.breadcrumb-list li + li::before {
  content: "/";
  color: #a4abb4;
}

/* 内页标题区 */

.page-header {
  margin-bottom: 32px;
}

.page-title {
  font-size: 32px;
  font-weight: 600;
  color: #1f2329;
}

.page-description {
  max-width: 760px;
  margin-top: 12px;
  font-size: 16px;
  color: #5c6470;
}

/* 通用 section */

.section {
  margin-top: 48px;
}

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

.section-title {
  font-size: 22px;
  font-weight: 600;
  color: #1f2329;
}

.section-desc {
  max-width: 760px;
  margin-top: 8px;
  font-size: 15px;
  color: #5c6470;
}

.section-intro {
  max-width: 780px;
  margin-top: 8px;
  font-size: 15px;
  color: #5c6470;
}

.section-intro a {
  color: #2f6f5e;
}

.section-more {
  margin-top: 16px;
  font-size: 15px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  color: #2f6f5e;
  font-weight: 600;
}

.text-link::after {
  content: "→";
  font-size: 14px;
}

.text-link:hover,
.text-link:focus-visible {
  color: #235347;
}

/* 页脚 */

.site-footer {
  margin-top: 48px;
  background-color: #ffffff;
  border-top: 1px solid #e3e6ea;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 40px 24px 32px;
}

.footer-groups {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px 32px;
}

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

.footer-title {
  margin-bottom: 12px;
  font-size: 15px;
  font-weight: 600;
  color: #1f2329;
}

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

.footer-list a {
  display: inline-block;
  min-height: 24px;
  font-size: 14px;
  color: #5c6470;
  line-height: 1.6;
}

.footer-list a:hover,
.footer-list a:focus-visible {
  color: #2f6f5e;
}

.footer-brand {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid #e3e6ea;
}

.footer-brand-name {
  font-size: 15px;
  font-weight: 600;
  color: #1f2329;
}

.footer-brand-desc {
  max-width: 720px;
  margin-top: 8px;
  font-size: 14px;
  color: #5c6470;
}

.footer-copyright {
  margin-top: 12px;
  font-size: 13px;
  color: #8a919c;
}

/* figure / 图片基础约束 */

figure {
  margin: 0;
}

figure img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  object-fit: cover;
  background-color: #eef1f4;
}

figcaption {
  margin-top: 8px;
  font-size: 13px;
  color: #8a919c;
}

/* --------------------------------------------------------------------------
   components — 首页模块
   -------------------------------------------------------------------------- */

/* 首屏判断区 */

.hero-section {
  background-color: #ffffff;
  border-bottom: 1px solid #e3e6ea;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
  max-width: 1120px;
  margin: 0 auto;
  padding: 48px 24px 40px;
}

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

.hero-eyebrow {
  display: inline-block;
  padding: 3px 10px;
  border: 1px solid #cfd9d5;
  border-radius: 4px;
  background-color: #f1f6f4;
  font-size: 13px;
  color: #2f6f5e;
}

.hero-title {
  margin-top: 16px;
  font-size: 32px;
  font-weight: 600;
  color: #1f2329;
}

.hero-desc {
  max-width: 620px;
  margin-top: 14px;
  font-size: 16px;
  color: #5c6470;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: #2f6f5e;
  border-color: #2f6f5e;
  color: #ffffff;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: #235347;
  border-color: #235347;
  color: #ffffff;
}

.btn-ghost {
  background-color: #ffffff;
  border-color: #cfd5db;
  color: #1f2329;
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: #2f6f5e;
  color: #2f6f5e;
}

.hero-preview {
  min-width: 0;
  padding: 20px;
  background-color: #f7f8fa;
  border: 1px solid #e3e6ea;
  border-radius: 8px;
}

.hero-preview-title {
  font-size: 15px;
  font-weight: 600;
  color: #5c6470;
}

.hero-preview-list {
  margin-top: 12px;
}

.preview-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 10px;
  padding: 10px 0;
  border-top: 1px solid #e3e6ea;
}

.preview-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.preview-code {
  grid-row: 1 / span 2;
  font-size: 13px;
  color: #c9762b;
  line-height: 1.6;
}

.preview-name {
  font-size: 15px;
  font-weight: 600;
  color: #1f2329;
}

.preview-note {
  font-size: 13px;
  color: #5c6470;
}

.hero-media {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px 40px;
}

.hero-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  border-radius: 8px;
}

.hero-caption {
  margin-top: 10px;
  font-size: 13px;
  color: #8a919c;
}

/* 服务方向索引总览 */

.directions-section,
.process-section,
.delivery-section,
.faq-section,
.index-section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 48px 24px 0;
}

.direction-list {
  border-top: 1px solid #e3e6ea;
}

.direction-row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) 132px;
  gap: 16px;
  align-items: start;
  padding: 18px 12px;
  border-bottom: 1px solid #e3e6ea;
  border-radius: 6px;
  transition: background-color 0.18s ease, border-color 0.18s ease;
}

.direction-row:hover {
  background-color: #ffffff;
  border-bottom-color: #cfd9d5;
}

.direction-code {
  font-size: 13px;
  color: #c9762b;
  line-height: 1.9;
}

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

.direction-name {
  font-size: 17px;
  font-weight: 600;
  color: #1f2329;
}

.direction-fit {
  margin-top: 6px;
  font-size: 15px;
  color: #5c6470;
}

.direction-task {
  margin-top: 4px;
  font-size: 14px;
  color: #8a919c;
}

.direction-link {
  align-self: center;
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  min-height: 44px;
  font-size: 14px;
  font-weight: 600;
  color: #2f6f5e;
}

.direction-link::after {
  content: "→";
  font-size: 13px;
}

.direction-link:hover,
.direction-link:focus-visible {
  color: #235347;
}

.section-media {
  margin-top: 24px;
}

.section-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 8;
  border-radius: 8px;
}

.section-caption {
  margin-top: 10px;
  font-size: 13px;
  color: #8a919c;
}

/* 合作流程四阶段预览 */

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.process-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 20px 18px;
  background-color: #ffffff;
  border: 1px solid #e3e6ea;
  border-radius: 8px;
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.process-card:hover {
  transform: translateY(-2px);
  border-color: #cfd9d5;
}

.process-step {
  font-size: 13px;
  color: #c9762b;
}

.process-name {
  margin-top: 8px;
  font-size: 17px;
  font-weight: 600;
  color: #1f2329;
}

.process-action {
  flex: 1 1 auto;
  margin-top: 8px;
  font-size: 14px;
  color: #5c6470;
}

.process-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  margin-top: 12px;
  font-size: 14px;
  font-weight: 600;
  color: #2f6f5e;
}

.process-link::after {
  content: "→";
  font-size: 13px;
}

.process-link:hover,
.process-link:focus-visible {
  color: #235347;
}

/* 交付范围与验收标准摘要 */

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

.delivery-col {
  min-width: 0;
  padding: 20px;
  background-color: #ffffff;
  border: 1px solid #e3e6ea;
  border-radius: 8px;
}

.col-title {
  font-size: 16px;
  font-weight: 600;
  color: #1f2329;
}

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

.delivery-item {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  color: #5c6470;
}

.delivery-item + .delivery-item {
  margin-top: 10px;
}

.delivery-item::before {
  content: "";
  position: absolute;
  top: 11px;
  left: 2px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #2f6f5e;
}

/* 问题解答速览 */

.faq-list {
  border-top: 1px solid #e3e6ea;
}

.faq-item {
  border-bottom: 1px solid #e3e6ea;
  background-color: #ffffff;
}

.faq-item[open] {
  background-color: #ffffff;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 48px;
  padding: 12px 16px;
  font-size: 16px;
  font-weight: 600;
  color: #1f2329;
  cursor: pointer;
  list-style: none;
}

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

.faq-question::after {
  content: "+";
  flex: none;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 18px;
  color: #2f6f5e;
}

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

.faq-question:hover {
  color: #2f6f5e;
}

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

.faq-answer p {
  font-size: 15px;
  color: #5c6470;
}

/* 站内栏目索引 */

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

.index-col {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 18px;
  background-color: #ffffff;
  border: 1px solid #e3e6ea;
  border-radius: 8px;
}

.index-name {
  font-size: 16px;
  font-weight: 600;
  color: #1f2329;
}

.index-note {
  flex: 1 1 auto;
  margin-top: 8px;
  font-size: 14px;
  color: #5c6470;
}

.index-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  margin-top: 12px;
  font-size: 14px;
  font-weight: 600;
  color: #2f6f5e;
}

.index-link::after {
  content: "→";
  font-size: 13px;
}

.index-link:hover,
.index-link:focus-visible {
  color: #235347;
}

/* --------------------------------------------------------------------------
   pages — 内页业务模块
   -------------------------------------------------------------------------- */

/* 服务方向页 */

.page-service-directions .page-media {
  margin-top: 24px;
}

.page-service-directions .page-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 8;
  border-radius: 8px;
}

.page-service-directions .media-caption {
  margin-top: 10px;
  font-size: 13px;
  color: #8a919c;
}

.directions-index {
  margin-top: 40px;
}

.directions-index .direction-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  border-top: 0;
}

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

.direction-article {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 20px;
  background-color: #ffffff;
  border: 1px solid #e3e6ea;
  border-radius: 8px;
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.direction-article:hover {
  transform: translateY(-2px);
  border-color: #cfd9d5;
}

.direction-no {
  font-size: 13px;
  color: #c9762b;
}

.direction-article .direction-name {
  margin-top: 8px;
  font-size: 17px;
  font-weight: 600;
  color: #1f2329;
}

.direction-meta {
  flex: 1 1 auto;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed #e3e6ea;
}

.direction-meta dt {
  font-size: 13px;
  color: #8a919c;
}

.direction-meta dd {
  margin-top: 2px;
  font-size: 15px;
  color: #5c6470;
}

.direction-meta dd + dt {
  margin-top: 12px;
}

.direction-item .direction-link {
  justify-content: flex-start;
}

.direction-criteria {
  margin-top: 48px;
}

.criteria-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.criteria-item {
  min-width: 0;
  padding: 18px 20px;
  background-color: #ffffff;
  border: 1px solid #e3e6ea;
  border-radius: 8px;
}

.criteria-question {
  font-size: 16px;
  font-weight: 600;
  color: #1f2329;
}

.criteria-text {
  margin-top: 8px;
  font-size: 15px;
  color: #5c6470;
}

.direction-limits {
  margin-top: 48px;
}

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

.limits-column {
  min-width: 0;
  padding: 20px;
  background-color: #ffffff;
  border: 1px solid #e3e6ea;
  border-radius: 8px;
}

.limits-not-fit {
  border-left: 3px solid #c9762b;
}

.limits-alternative {
  border-left: 3px solid #2f6f5e;
}

.column-title {
  font-size: 16px;
  font-weight: 600;
  color: #1f2329;
}

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

.limits-item {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  color: #5c6470;
}

.limits-item + .limits-item {
  margin-top: 10px;
}

.limits-item::before {
  content: "";
  position: absolute;
  top: 11px;
  left: 2px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #a4abb4;
}

.limits-alternative .limits-item::before {
  background-color: #2f6f5e;
}

.next-step {
  margin-top: 48px;
  padding: 24px;
  background-color: #ffffff;
  border: 1px solid #e3e6ea;
  border-radius: 8px;
}

.next-step-text {
  max-width: 760px;
  margin-top: 8px;
  font-size: 15px;
  color: #5c6470;
}

.next-step-links {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.next-step-links a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 14px;
  background-color: #f7f8fa;
  border: 1px solid #e3e6ea;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  color: #2f6f5e;
}

.next-step-links a:hover,
.next-step-links a:focus-visible {
  border-color: #2f6f5e;
  color: #235347;
}

/* 合作流程页 */

.page-cooperation-process .page-media {
  margin-top: 24px;
}

.page-cooperation-process .page-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 8;
  border-radius: 8px;
}

.page-cooperation-process .media-caption {
  margin-top: 10px;
  font-size: 13px;
  color: #8a919c;
}

.process-stages {
  margin-top: 40px;
}

.stage-item {
  padding: 24px;
  background-color: #ffffff;
  border: 1px solid #e3e6ea;
  border-radius: 8px;
}

.stage-item + .stage-item {
  margin-top: 20px;
}

.stage-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.stage-no {
  font-size: 13px;
  color: #c9762b;
}

.stage-name {
  font-size: 18px;
  font-weight: 600;
  color: #1f2329;
}

.stage-note {
  max-width: 820px;
  margin-top: 10px;
  font-size: 15px;
  color: #5c6470;
}

.stage-split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px dashed #e3e6ea;
}

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

.stage-col-title {
  font-size: 15px;
  font-weight: 600;
  color: #2f6f5e;
}

.stage-col-us .stage-col-title {
  color: #c9762b;
}

.stage-list {
  margin-top: 10px;
}

.stage-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  color: #5c6470;
}

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

.stage-list li::before {
  content: "";
  position: absolute;
  top: 11px;
  left: 2px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #cfd9d5;
}

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

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

.prep-col {
  min-width: 0;
  padding: 20px;
  background-color: #ffffff;
  border: 1px solid #e3e6ea;
  border-radius: 8px;
}

.prep-title {
  font-size: 16px;
  font-weight: 600;
  color: #1f2329;
}

.prep-col-client .prep-title {
  color: #2f6f5e;
}

.prep-col-us .prep-title {
  color: #c9762b;
}

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

.prep-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  color: #5c6470;
}

.prep-list li + li {
  margin-top: 10px;
}

.prep-list li::before {
  content: "";
  position: absolute;
  top: 11px;
  left: 2px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #2f6f5e;
}

.prep-col-us .prep-list li::before {
  background-color: #c9762b;
}

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

.node-list {
  border-top: 1px solid #e3e6ea;
}

.node-item {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 16px;
  padding: 16px 12px;
  border-bottom: 1px solid #e3e6ea;
}

.node-no {
  grid-row: 1 / span 2;
  font-size: 13px;
  color: #c9762b;
  line-height: 1.9;
}

.node-name {
  font-size: 16px;
  font-weight: 600;
  color: #1f2329;
}

.node-desc {
  margin-top: 4px;
  font-size: 15px;
  color: #5c6470;
}

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

.next-links {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.next-item {
  min-width: 0;
}

.next-item a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 14px;
  background-color: #ffffff;
  border: 1px solid #e3e6ea;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  color: #2f6f5e;
}

.next-item a:hover,
.next-item a:focus-visible {
  border-color: #2f6f5e;
  color: #235347;
}

/* 交付范围页 */

.page-delivery-scope .delivery-list-section {
  margin-top: 8px;
}

.page-delivery-scope .delivery-list-section .delivery-list {
  border-top: 1px solid #e3e6ea;
}

.page-delivery-scope .delivery-list-section .delivery-item {
  display: block;
  padding: 18px 12px;
  border-bottom: 1px solid #e3e6ea;
}

.page-delivery-scope .delivery-list-section .delivery-item::before {
  display: none;
}

.page-delivery-scope .delivery-list-section .delivery-item + .delivery-item {
  margin-top: 0;
}

.delivery-item-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
}

.item-code {
  font-size: 13px;
  color: #c9762b;
}

.delivery-item-name {
  font-size: 17px;
  font-weight: 600;
  color: #1f2329;
}

.item-stage {
  padding: 2px 8px;
  border: 1px solid #cfd9d5;
  border-radius: 4px;
  background-color: #f1f6f4;
  font-size: 12px;
  color: #2f6f5e;
}

.delivery-item-desc {
  margin-top: 8px;
  font-size: 15px;
  color: #5c6470;
}

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

.acceptance-section .section-media {
  margin-top: 20px;
}

.acceptance-section .section-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 8;
  border-radius: 8px;
}

.acceptance-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.acceptance-item {
  min-width: 0;
  padding: 18px 20px;
  background-color: #ffffff;
  border: 1px solid #e3e6ea;
  border-radius: 8px;
}

.acceptance-name {
  font-size: 16px;
  font-weight: 600;
  color: #1f2329;
}

.acceptance-desc {
  margin-top: 8px;
  font-size: 15px;
  color: #5c6470;
}

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

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

.boundary-col {
  min-width: 0;
  padding: 20px;
  background-color: #ffffff;
  border: 1px solid #e3e6ea;
  border-radius: 8px;
}

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

.boundary-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.boundary-item + .boundary-item {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed #e3e6ea;
}

.boundary-item .item-code {
  line-height: 1.75;
}

.boundary-desc {
  font-size: 15px;
  color: #5c6470;
}

.next-step-section {
  margin-top: 48px;
}

.next-step-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.next-step-item {
  min-width: 0;
  padding: 18px 20px;
  background-color: #ffffff;
  border: 1px solid #e3e6ea;
  border-radius: 8px;
}

.next-step-item a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  font-size: 15px;
  font-weight: 600;
  color: #2f6f5e;
}

.next-step-item a::after {
  content: "→";
  font-size: 13px;
}

.next-step-item a:hover,
.next-step-item a:focus-visible {
  color: #235347;
}

.next-step-desc {
  margin-top: 8px;
  font-size: 14px;
  color: #5c6470;
}

/* 问题解答页 */

.page-questions .qa-section {
  margin-top: 8px;
}

.qa-group + .qa-group {
  margin-top: 32px;
}

.qa-group-title {
  font-size: 18px;
  font-weight: 600;
  color: #1f2329;
}

.qa-group-desc {
  max-width: 760px;
  margin-top: 8px;
  font-size: 15px;
  color: #5c6470;
}

.qa-group .qa-item {
  margin-top: 12px;
  background-color: #ffffff;
  border: 1px solid #e3e6ea;
  border-radius: 8px;
}

.qa-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 48px;
  padding: 12px 18px;
  font-size: 16px;
  font-weight: 600;
  color: #1f2329;
  cursor: pointer;
  list-style: none;
}

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

.qa-question::after {
  content: "+";
  flex: none;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 18px;
  color: #2f6f5e;
}

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

.qa-question:hover {
  color: #2f6f5e;
}

.qa-answer {
  padding: 0 18px 16px;
}

.qa-answer p {
  font-size: 15px;
  color: #5c6470;
}

.qa-answer a {
  color: #2f6f5e;
  font-weight: 600;
}

.qa-answer a:hover,
.qa-answer a:focus-visible {
  color: #235347;
}

.ask-guide {
  margin-top: 48px;
}

.content-figure {
  margin-top: 20px;
}

.content-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 8;
  border-radius: 8px;
}

.guide-list {
  counter-reset: guide;
  margin-top: 24px;
}

.guide-item {
  position: relative;
  padding: 16px 20px 16px 56px;
  background-color: #ffffff;
  border: 1px solid #e3e6ea;
  border-radius: 8px;
}

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

.guide-item::before {
  counter-increment: guide;
  content: counter(guide, decimal-leading-zero);
  position: absolute;
  top: 18px;
  left: 20px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  color: #c9762b;
}

.guide-item-title {
  font-size: 16px;
  font-weight: 600;
  color: #1f2329;
}

.guide-item p {
  margin-top: 6px;
  font-size: 15px;
  color: #5c6470;
}

.qa-taxonomy {
  margin-top: 48px;
}

.taxonomy-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.taxonomy-item {
  min-width: 0;
  padding: 18px 20px;
  background-color: #ffffff;
  border: 1px solid #e3e6ea;
  border-radius: 8px;
}

.taxonomy-item-title {
  font-size: 16px;
  font-weight: 600;
  color: #1f2329;
}

.taxonomy-item p {
  margin-top: 8px;
  font-size: 14px;
  color: #5c6470;
}

.qa-taxonomy + .next-step {
  margin-top: 48px;
}

/* 404 页 */

.site-error {
  background-color: #f7f8fa;
}

.error-main {
  flex: 1 1 auto;
}

.error-block {
  max-width: 640px;
  margin: 32px auto 0;
  padding: 32px 28px;
  background-color: #ffffff;
  border: 1px solid #e3e6ea;
  border-radius: 8px;
  text-align: left;
}

.error-code {
  font-size: 13px;
  color: #c9762b;
}

.error-block h1 {
  margin-top: 10px;
  font-size: 32px;
  font-weight: 600;
  color: #1f2329;
}

.error-desc {
  margin-top: 12px;
  font-size: 16px;
  color: #5c6470;
}

.error-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 20px;
}

.error-links a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 14px;
  background-color: #f7f8fa;
  border: 1px solid #e3e6ea;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  color: #2f6f5e;
}

.error-links a:hover,
.error-links a:focus-visible {
  border-color: #2f6f5e;
  color: #235347;
}

.error-action {
  margin-top: 20px;
}

.error-action .btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  background-color: #2f6f5e;
  border: 1px solid #2f6f5e;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
}

.error-action .btn-primary:hover,
.error-action .btn-primary:focus-visible {
  background-color: #235347;
  border-color: #235347;
  color: #ffffff;
}

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

@media (max-width: 960px) {
  .header-inner {
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px 20px;
  }

  .nav-toggle {
    display: inline-flex;
    order: 2;
  }

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

  .nav-list {
    display: none;
    flex-direction: column;
    gap: 2px;
    padding: 8px 0 4px;
    border-top: 1px solid #e3e6ea;
  }

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

  .nav-list a {
    padding: 12px 10px;
    font-size: 16px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    padding: 36px 20px 32px;
  }

  .hero-media {
    padding: 0 20px 32px;
  }

  .directions-section,
  .process-section,
  .delivery-section,
  .faq-section,
  .index-section {
    padding: 40px 20px 0;
  }

  .inner-main,
  .main-inner {
    padding: 20px 20px 48px;
  }

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

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

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

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

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

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

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

  .footer-inner {
    padding: 32px 20px 24px;
  }

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

@media (max-width: 640px) {
  body {
    font-size: 15px;
  }

  .factbar-text,
  .fact-bar-text {
    padding: 8px 16px;
  }

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

  .hero-title {
    font-size: 26px;
  }

  .hero-inner {
    padding: 28px 16px 24px;
  }

  .hero-media {
    padding: 0 16px 24px;
  }

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

  .directions-section,
  .process-section,
  .delivery-section,
  .faq-section,
  .index-section {
    padding: 32px 16px 0;
  }

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

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

  .section-title {
    font-size: 19px;
  }

  .section {
    margin-top: 36px;
  }

  .direction-row {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 8px 12px;
    padding: 16px 8px;
  }

  .direction-row .direction-link {
    grid-column: 2 / -1;
    justify-content: flex-start;
  }

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

  .delivery-columns,
  .limits-columns,
  .prep-columns,
  .boundary-columns,
  .stage-split,
  .acceptance-list {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .next-step-links,
  .next-links,
  .next-step-list,
  .taxonomy-list,
  .error-links {
    grid-template-columns: minmax(0, 1fr);
  }

  .node-item {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 0 12px;
    padding: 14px 8px;
  }

  .guide-item {
    padding: 14px 16px 14px 48px;
  }

  .guide-item::before {
    left: 16px;
  }

  .boundary-item {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 8px;
  }

  .error-block {
    padding: 24px 20px;
  }

  .footer-inner {
    padding: 28px 16px 20px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .direction-row,
  .process-card,
  .direction-article {
    transition: none;
  }

  .process-card:hover,
  .direction-article:hover {
    transform: none;
  }
}