/* ==========================================================================
   酷漫屋 crcpi.cn — 全站样式表
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base — 变量、重置、排版、通用元素
   -------------------------------------------------------------------------- */
:root {
  --c-primary: #1f5f8b;
  --c-primary-dark: #17496b;
  --c-primary-soft: #eaf1f6;
  --c-accent: #2f7d5c;
  --c-accent-soft: #e8f2ed;
  --c-warn: #b45309;
  --c-warn-soft: #fbf1e4;
  --c-text: #1f2328;
  --c-text-soft: #5a636b;
  --c-line: #e3e6ea;
  --c-line-strong: #ccd3da;
  --c-bg: #f7f8fa;
  --c-surface: #ffffff;
  --radius: 6px;
  --radius-sm: 4px;
  --shadow-soft: 0 1px 2px rgba(31, 35, 40, 0.05);
  --shadow-card: 0 2px 6px rgba(31, 35, 40, 0.07);
  --container: 1140px;
  --container-narrow: 900px;
  --font-stack: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Source Han Sans SC", "Noto Sans CJK SC", "WenQuanYi Micro Hei",
    system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

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

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

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

h1,
h2,
h3,
h4 {
  margin: 0 0 0.6em;
  font-weight: 600;
  line-height: 1.35;
  color: var(--c-text);
}

h1 { font-size: 32px; }
h2 { font-size: 22px; }
h3 { font-size: 18px; }
h4 { font-size: 16px; }

p {
  margin: 0 0 1em;
}

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

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

a:hover,
a:focus-visible {
  color: var(--c-primary-dark);
  text-decoration: underline;
}

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

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

figure {
  margin: 0;
}

figcaption {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-text-soft);
}

ul,
ol {
  margin: 0 0 1em;
  padding-left: 1.25em;
}

li {
  margin-bottom: 0.4em;
}

dl,
dd {
  margin: 0;
}

button {
  font: inherit;
  color: inherit;
}

/* --------------------------------------------------------------------------
   layout — 全站骨架：容器、页头、导航、主体、页脚
   -------------------------------------------------------------------------- */

/* 顶部信息条（首页 / 公开资料页） */
.top-notice,
.top-bar {
  background: var(--c-primary-soft);
  border-bottom: 1px solid var(--c-line);
}

.top-notice p,
.top-bar-text {
  max-width: var(--container);
  margin: 0 auto;
  padding: 8px 24px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-primary-dark);
}

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

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

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 0 0 auto;
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand-name {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--c-primary);
}

.brand-tag {
  font-size: 12px;
  line-height: 1.4;
  color: var(--c-text-soft);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: var(--c-surface);
  border: 1px solid var(--c-line-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--c-text);
}

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

.nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list li {
  margin: 0;
}

.nav-link {
  display: inline-block;
  padding: 8px 14px;
  font-size: 15px;
  color: var(--c-text);
  border-bottom: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.nav-link:hover {
  color: var(--c-primary);
  text-decoration: none;
}

.nav-link.is-current {
  color: var(--c-primary);
  font-weight: 600;
  border-bottom-color: var(--c-primary);
}

/* 主体容器 */
.site-main {
  display: block;
}

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

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

/* 面包屑 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-text-soft);
}

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

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

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

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

/* 内页标题区 */
.page-header {
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--c-line);
}

.page-title {
  margin: 0 0 12px;
  font-size: 32px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--c-text);
}

.page-description {
  max-width: 760px;
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-text-soft);
}

/* 页脚 */
.site-footer {
  background: #1f2328;
  color: #c9ced4;
  border-top: 1px solid #2a2f35;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(220px, 1.3fr) repeat(3, minmax(140px, 1fr));
  gap: 32px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 44px 24px 32px;
}

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

.footer-name {
  display: block;
  margin-bottom: 10px;
  font-size: 18px;
  font-weight: 600;
  color: #ffffff;
}

.footer-slogan {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: #9aa2aa;
}

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

.footer-group-title {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
}

.footer-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-list li {
  margin-bottom: 10px;
}

.footer-list a {
  font-size: 14px;
  line-height: 1.6;
  color: #c9ced4;
}

.footer-list a:hover {
  color: #ffffff;
}

.footer-bottom {
  max-width: var(--container);
  margin: 0 auto;
  padding: 18px 24px 26px;
  border-top: 1px solid #2a2f35;
}

.footer-note {
  margin: 0 0 8px;
  font-size: 13px;
  line-height: 1.7;
  color: #8b939b;
}

.footer-copy {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: #8b939b;
}

/* --------------------------------------------------------------------------
   components — 通用组件：按钮、链接、列表、卡片、步骤、图片
   -------------------------------------------------------------------------- */

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 22px;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.18s ease, border-color 0.18s ease,
    color 0.18s ease, transform 0.18s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

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

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

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

.btn-outline:hover {
  border-color: var(--c-primary);
  color: var(--c-primary-dark);
}

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

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

/* 文字链接 */
.text-link {
  display: inline-block;
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-primary);
}

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

.text-link:hover {
  text-decoration: underline;
}

/* 区块通用 */
.section {
  margin-bottom: 56px;
}

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

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

.section-title {
  margin: 0 0 10px;
  font-size: 22px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--c-text);
}

.section-intro,
.section-lead {
  max-width: 780px;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text-soft);
}

.section-note {
  margin: 20px 0 0;
  padding: 14px 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text-soft);
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-primary);
  border-radius: var(--radius-sm);
}

/* 通用列表 */
.bullet-list {
  margin: 0;
  padding-left: 1.2em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text);
}

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

.bullet-list li::marker {
  color: var(--c-primary);
}

.check-list,
.cross-list {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 15px;
  line-height: 1.7;
}

.check-list li,
.cross-list li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 26px;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--c-accent);
  font-weight: 600;
}

.cross-list li::before {
  content: "×";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--c-warn);
  font-weight: 600;
}

/* 图片容器 */
.hero-media,
.content-media,
.service-type-media,
.section-media,
.faq-figure {
  overflow: hidden;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.hero-media img,
.content-media img,
.service-type-media img,
.section-media img,
.faq-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 16 / 10;
}

/* 步骤编号 */
.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: 15px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: #ffffff;
  background: var(--c-accent);
  border-radius: 50%;
}

/* 相关推荐列表 */
.related-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.related-item {
  margin: 0;
  padding: 16px 18px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.related-item:hover {
  border-color: var(--c-primary);
  transform: translateY(-2px);
}

.related-item a {
  display: inline-block;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
}

.related-desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-text-soft);
}

.related-name {
  display: block;
  font-size: 15px;
  font-weight: 500;
  color: var(--c-primary);
}

/* 两栏通用 */
.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.col {
  min-width: 0;
  padding: 22px 24px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.col-title {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 600;
  color: var(--c-text);
}

.col-text {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text-soft);
}

/* --------------------------------------------------------------------------
   pages — 首页与各内页业务模块
   -------------------------------------------------------------------------- */

/* ---------- 首页 ---------- */
.hero-section {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  padding: 48px 0 8px;
}

.hero-text {
  min-width: 0;
  padding-top: 8px;
}

.hero-eyebrow {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--c-accent);
}

.hero-title {
  margin: 0 0 16px;
  font-size: 32px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--c-text);
}

.hero-desc {
  max-width: 560px;
  margin: 0 0 26px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-text-soft);
}

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

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

.content-media-primary {
  grid-column: 1 / -1;
  margin-top: 8px;
}

/* 服务能力构成总览 */
.capability-overview {
  margin-top: 56px;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.capability-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 22px 20px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, transform 0.18s ease,
    box-shadow 0.18s ease;
}

.capability-card:hover {
  border-color: var(--c-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.capability-name {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 600;
  color: var(--c-primary);
}

.capability-scene {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text);
}

.capability-desc {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text-soft);
}

.capability-card .text-link {
  margin-top: auto;
}

/* 合作流程四步摘要 */
.process-brief {
  margin-top: 56px;
}

.step-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.step-item {
  display: flex;
  flex-direction: column;
  min-width: 0;
  margin: 0;
  padding: 22px 20px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-top: 3px solid var(--c-accent);
  border-radius: var(--radius);
}

.step-item .step-index {
  margin-bottom: 12px;
}

.step-name {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
}

.step-text {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text-soft);
}

.step-item .text-link {
  margin-top: auto;
}

/* 适用对象与场景说明 */
.audience-section {
  margin-top: 56px;
}

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

.audience-col {
  min-width: 0;
  padding: 24px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.audience-fields {
  display: grid;
  grid-template-columns: minmax(96px, auto) minmax(0, 1fr);
  gap: 10px 16px;
  margin: 0;
}

.audience-fields dt {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text);
}

.audience-fields dd {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text-soft);
}

/* 常见问题速览 */
.faq-brief {
  margin-top: 56px;
}

.faq-brief-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.faq-brief-group {
  min-width: 0;
  padding: 20px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.group-title {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
}

.faq-brief-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.faq-brief-item {
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--c-line);
}

.faq-brief-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.faq-brief-item .text-link {
  font-size: 14px;
  line-height: 1.6;
}

/* 公开资料与需求梳理入口 */
.resource-entry {
  margin-top: 56px;
}

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

.resource-col {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 24px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.resource-list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.resource-item {
  margin: 0 0 10px;
  padding-left: 18px;
  position: relative;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-text);
}

.resource-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--c-accent);
  border-radius: 50%;
}

.resource-col .btn {
  margin-top: auto;
  align-self: flex-start;
}

.resource-desc {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text-soft);
}

/* 站内栏目索引 */
.site-index {
  margin-top: 56px;
}

.index-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.index-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  padding: 18px 16px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.index-card:hover {
  border-color: var(--c-primary);
  transform: translateY(-2px);
  text-decoration: none;
}

.index-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-primary);
}

.index-desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-text-soft);
}

/* ---------- 服务能力页 ---------- */
.section-service-types .service-type {
  margin-bottom: 24px;
  padding: 24px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

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

.service-type-head {
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--c-line);
}

.service-type-title {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 600;
  color: var(--c-primary);
}

.service-type-scene {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text-soft);
}

.service-type-body {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.service-type-text {
  min-width: 0;
}

.service-type-subtitle {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
}

.service-type-media {
  min-width: 0;
}

/* 能力构成与工作方式 */
.section-capability .two-col {
  align-items: stretch;
}

/* 交付标准 */
.delivery-fields {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 26px;
}

.delivery-field {
  min-width: 0;
  padding: 20px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-accent);
  border-radius: var(--radius);
}

.field-title {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
}

.field-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-soft);
}

.section-delivery .section-media {
  margin-top: 8px;
}

/* 包含项与不包含项 */
.scope-cols .col-included {
  border-top: 3px solid var(--c-accent);
}

.scope-cols .col-excluded {
  border-top: 3px solid var(--c-warn);
}

.scope-note {
  margin: 16px 0 0;
  padding: 12px 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-warn);
  background: var(--c-warn-soft);
  border-radius: var(--radius-sm);
}

.scope-note a {
  color: var(--c-warn);
  text-decoration: underline;
}

/* ---------- 合作流程页 ---------- */
.step-overview-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.step-overview-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto auto;
  column-gap: 14px;
  row-gap: 6px;
  min-width: 0;
  margin: 0;
  padding: 20px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.step-overview-item .step-index {
  grid-row: 1 / span 3;
  align-self: start;
}

.step-overview-item .step-name {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
}

.step-goal {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text);
}

.step-output {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text-soft);
}

.section-division .section-media {
  margin-bottom: 26px;
}

.division-item {
  margin-bottom: 22px;
  padding: 22px 24px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.division-item:last-child {
  margin-bottom: 0;
}

.division-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-size: 17px;
  font-weight: 600;
  color: var(--c-text);
}

.division-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  height: 30px;
  padding: 0 8px;
  font-size: 14px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--c-primary);
  background: var(--c-primary-soft);
  border-radius: var(--radius-sm);
}

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

.division-col {
  min-width: 0;
  padding: 18px 20px;
  border-radius: var(--radius-sm);
}

.division-col-client {
  background: #f2f5f8;
}

.division-col-us {
  background: var(--c-accent-soft);
}

.division-subtitle {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
}

.division-list {
  margin: 0;
  padding-left: 1.2em;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text);
}

/* 需求准备清单 */
.prepare-groups {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 26px;
}

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

.prepare-group-title {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-primary);
}

.prepare-list {
  margin: 0;
  padding-left: 1.2em;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text);
}

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

/* 节点确认与变更 */
.nodes-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.nodes-col {
  min-width: 0;
  padding: 22px 24px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.nodes-subtitle {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
}

.nodes-list {
  margin: 0;
  padding-left: 1.2em;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-text);
}

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

/* ---------- 常见问题页 ---------- */
.page-layout.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 32px;
  align-items: start;
}

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

.faq-group {
  margin-bottom: 40px;
}

.faq-group:last-child {
  margin-bottom: 0;
}

.faq-group-head {
  margin-bottom: 18px;
}

.faq-group-head .section-title {
  margin-bottom: 6px;
}

.faq-figure {
  margin-bottom: 18px;
}

.faq-item {
  margin-bottom: 12px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-item[open] {
  border-color: var(--c-line-strong);
  box-shadow: var(--shadow-soft);
}

.faq-question {
  display: block;
  padding: 16px 44px 16px 18px;
  position: relative;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--c-text);
  cursor: pointer;
  list-style: none;
}

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

.faq-question::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  font-weight: 400;
  color: var(--c-primary);
  transition: transform 0.18s ease;
}

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

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

.faq-answer {
  padding: 0 18px 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text-soft);
  border-top: 1px solid var(--c-line);
  padding-top: 14px;
}

.faq-answer p {
  margin: 0;
}

/* 常见问题页侧栏 */
.faq-aside {
  min-width: 0;
}

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

.aside-block:last-child {
  margin-bottom: 0;
}

.aside-title {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
}

.aside-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.aside-list li {
  margin-bottom: 10px;
  font-size: 14px;
  line-height: 1.65;
}

.aside-list li:last-child {
  margin-bottom: 0;
}

.aside-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-soft);
}

.aside-block-note {
  background: var(--c-warn-soft);
  border-color: #f0e0c8;
}

.aside-block-note .aside-title {
  color: var(--c-warn);
}

/* ---------- 公开资料页 ---------- */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 32px;
  align-items: start;
}

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

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

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

.resource-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.resource-item {
  min-width: 0;
  padding: 18px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.resource-item:hover {
  border-color: var(--c-primary);
  transform: translateY(-2px);
}

.resource-item-head {
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-line);
}

.resource-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--c-primary);
}

.resource-meta {
  display: grid;
  grid-template-columns: minmax(80px, auto) minmax(0, 1fr);
  gap: 6px 12px;
  margin: 0;
}

.resource-meta-row {
  display: contents;
}

.resource-meta dt {
  font-size: 13px;
  font-weight: 600;
  color: var(--c-text-soft);
}

.resource-meta dd {
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-text);
}

.detail-list {
  margin-top: 22px;
}

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

.detail-block:last-child {
  margin-bottom: 0;
}

.detail-title {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
}

.detail-text {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text-soft);
}

.detail-boundary {
  margin: 0;
  padding: 10px 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-warn);
  background: var(--c-warn-soft);
  border-radius: var(--radius-sm);
}

.request-steps {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.request-step {
  display: flex;
  gap: 14px;
  min-width: 0;
  margin: 0;
  padding: 20px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-top: 3px solid var(--c-accent);
  border-radius: var(--radius);
}

.request-step .step-index {
  flex: 0 0 auto;
}

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

.step-title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
}

.step-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text-soft);
}

.scope-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 22px;
}

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

.scope-title {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-primary);
}

.scope-list {
  margin: 0;
  padding-left: 1.2em;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text);
}

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

.related-section .related-list {
  margin-top: 20px;
}

/* 公开资料页侧栏 */
.layout-aside {
  min-width: 0;
}

.aside-card {
  padding: 22px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-accent);
  border-radius: var(--radius);
}

.aside-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-soft);
}

/* ---------- 404 页 ---------- */
.error-main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px 64px;
}

.error-hero {
  padding: 64px 0 40px;
  border-bottom: 1px solid var(--c-line);
}

.error-inner {
  max-width: 640px;
}

.error-code {
  margin: 0 0 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-warn);
}

.error-title {
  margin: 0 0 14px;
  font-size: 32px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--c-text);
}

.error-text {
  margin: 0 0 26px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-text-soft);
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

.error-links .section-title {
  margin-bottom: 20px;
}

.error-link-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.error-link-item {
  min-width: 0;
  margin: 0;
  padding: 18px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.error-link-item:hover {
  border-color: var(--c-primary);
  transform: translateY(-2px);
}

.error-link {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 15px;
  font-weight: 600;
}

.error-link-desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-text-soft);
}

/* --------------------------------------------------------------------------
   responsive — 960px / 640px 断点
   -------------------------------------------------------------------------- */
@media (max-width: 960px) {
  .header-inner {
    flex-wrap: wrap;
    gap: 12px;
  }

  .nav-toggle {
    display: flex;
  }

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

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

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

  .nav-link {
    display: block;
    padding: 12px 4px;
    font-size: 16px;
    border-bottom: 1px solid var(--c-line);
  }

  .nav-link.is-current {
    border-bottom-color: var(--c-primary);
  }

  .hero-section {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding-top: 32px;
  }

  .hero-text {
    padding-top: 0;
  }

  .capability-grid,
  .step-strip,
  .faq-brief-grid,
  .index-grid,
  .error-link-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .delivery-fields,
  .prepare-groups,
  .request-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

  .faq-aside,
  .layout-aside {
    order: 2;
  }

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

@media (max-width: 640px) {
  body.site-body {
    font-size: 16px;
  }

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

  h2,
  .section-title {
    font-size: 19px;
  }

  .top-notice p,
  .top-bar-text {
    padding: 8px 16px;
    font-size: 13px;
  }

  .header-inner {
    padding: 12px 16px;
  }

  .home-main,
  .inner-main,
  .error-main {
    padding-left: 16px;
    padding-right: 16px;
    padding-bottom: 48px;
  }

  .page-header {
    margin-bottom: 28px;
    padding-bottom: 18px;
  }

  .section,
  .content-section,
  .faq-group {
    margin-bottom: 36px;
  }

  .capability-overview,
  .process-brief,
  .audience-section,
  .faq-brief,
  .resource-entry,
  .site-index {
    margin-top: 40px;
  }

  .capability-grid,
  .step-strip,
  .faq-brief-grid,
  .index-grid,
  .error-link-list,
  .delivery-fields,
  .prepare-groups,
  .request-steps,
  .resource-list {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .audience-fields,
  .resource-meta {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px 0;
  }

  .audience-fields dd,
  .resource-meta dd {
    margin-bottom: 10px;
  }

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

  .hero-actions .btn,
  .error-actions .btn {
    width: 100%;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding: 32px 16px 24px;
  }

  .footer-bottom {
    padding: 16px 16px 22px;
  }

  .resource-col .btn {
    align-self: stretch;
    width: 100%;
  }
}