/* ==========================================================================
   奇漫屋 wkuze.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 {
  --paper: #f4f2ed;
  --card: #ffffff;
  --ink: #1f3a5f;
  --ink-soft: #4a6b8a;
  --accent: #b06a3b;
  --text: #23282e;
  --muted: #6b7280;
  --line: #d8d3c9;
  --line-soft: #e6e2da;
  --container: 1120px;
  --main-col: 760px;
  --aside-col: 320px;
  --gutter: 40px;
  --radius: 6px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, "Courier New", monospace;
}

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

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

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

h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.35;
}

h1 {
  font-size: 34px;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 18px;
}

p {
  margin: 0 0 16px;
}

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

ul,
ol {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

ul:last-child,
ol:last-child {
  margin-bottom: 0;
}

a {
  color: var(--ink);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
}

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

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

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

figure {
  margin: 0;
}

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

dl,
dt,
dd {
  margin: 0;
}

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

strong {
  color: var(--ink);
  font-weight: 700;
}

/* 编号 / 索引标签（等宽字符） */
.index-tag,
.section-index,
.section-no,
.service-no,
.service-index,
.stage-no,
.stage-num,
.stage-block-num,
.order-tag,
.term-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.4;
  letter-spacing: 0.06em;
  color: var(--accent);
}

/* ==========================================================================
   layout — 骨架：容器、页头、导航、主区、内页布局、页脚
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- 顶部事实条（仅首页） --- */
.fact-bar {
  background-color: var(--ink);
  color: #eef1f5;
  font-size: 14px;
  line-height: 1.6;
}

.fact-bar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.fact-text {
  margin: 0;
  color: #eef1f5;
}

.fact-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.fact-nav a {
  color: #dfe6ee;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
}

.fact-nav a:hover,
.fact-nav a:focus-visible {
  color: #ffffff;
  border-bottom-color: var(--accent);
}

/* --- 页头 --- */
.site-header {
  position: relative;
  background-color: var(--card);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  min-height: 72px;
  padding-top: 12px;
  padding-bottom: 12px;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  color: var(--ink);
}

.brand:hover,
.brand:focus-visible {
  color: var(--ink);
}

.brand-mark {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* --- 主导航 --- */
.site-nav {
  margin-left: auto;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 28px;
  margin: 0;
}

.nav-list a {
  display: inline-block;
  padding: 6px 2px;
  color: var(--ink-soft);
  font-size: 16px;
  border-bottom: 2px solid transparent;
}

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

.nav-list a.is-current {
  color: var(--ink);
  font-weight: 700;
  border-bottom-color: var(--accent);
}

/* --- 汉堡按钮 --- */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--card);
}

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

/* --- 主区 --- */
.site-main {
  display: block;
  padding: 0 0 64px;
}

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

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

/* --- 内页面包屑 --- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  max-width: var(--container);
  margin: 0 auto 20px;
  padding: 0 24px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

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

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: var(--accent);
}

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

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

/* --- 内页页面标题区 --- */
.page-header {
  max-width: var(--container);
  margin: 0 auto 40px;
  padding: 0 24px 24px;
  border-bottom: 1px solid var(--line);
}

.page-header .section-no,
.page-header .section-index {
  margin-bottom: 10px;
}

.page-title {
  margin: 0 0 14px;
  font-size: 34px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
}

.page-description,
.page-lead,
.page-summary {
  max-width: var(--main-col);
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.page-description + .page-lead,
.page-description + .page-summary {
  margin-top: 8px;
}

/* --- 内页双栏布局：主内容在前，aside 在后 --- */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--aside-col);
  gap: var(--gutter);
  align-items: start;
}

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

.layout-aside,
.sidebar,
.page-sidebar {
  min-width: 0;
}

/* --- 页脚 --- */
.site-footer {
  background-color: var(--ink);
  color: #d8e0ea;
  font-size: 14px;
  line-height: 1.7;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: 32px var(--gutter);
  padding-top: 44px;
  padding-bottom: 32px;
}

.footer-brand-name {
  margin: 0 0 8px;
  color: #ffffff;
  font-size: 20px;
  font-weight: 700;
}

.footer-brand-desc {
  margin: 0;
  max-width: 360px;
  color: #b9c6d6;
}

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

.footer-group-title {
  margin: 0 0 12px;
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
}

.footer-group ul {
  margin: 0;
}

.footer-group li {
  margin-bottom: 8px;
}

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

.footer-group a {
  color: #b9c6d6;
  border-bottom: 1px solid transparent;
}

.footer-group a:hover,
.footer-group a:focus-visible {
  color: #ffffff;
  border-bottom-color: var(--accent);
}

.footer-bottom {
  padding-top: 16px;
  padding-bottom: 24px;
  border-top: 1px solid rgba(216, 224, 234, 0.22);
}

.copyright {
  margin: 0;
  color: #9fb0c4;
  font-size: 13px;
}

.copyright-year {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* ==========================================================================
   components — 通用模块元件
   ========================================================================== */

/* --- 区块头（首页各 section） --- */
.section-head {
  margin-bottom: 28px;
}

.section-head .index-tag {
  margin-bottom: 10px;
}

.section-title {
  margin: 0 0 12px;
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
}

.section-lead,
.section-intro {
  max-width: var(--main-col);
  margin: 0;
  color: var(--muted);
}

.section-more {
  margin: 24px 0 0;
}

.text-link,
.link-arrow {
  display: inline-block;
  color: var(--ink);
  font-weight: 700;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 2px;
}

.text-link:hover,
.text-link:focus-visible,
.link-arrow:hover,
.link-arrow:focus-visible {
  color: var(--accent);
}

/* --- 图片容器通用约束 --- */
.hero-figure,
.content-media,
.service-figure,
.media-block,
.faq-media,
.section-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--card);
}

.hero-figure img,
.content-media img,
.service-figure img,
.media-block img,
.faq-media img,
.section-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.hero-figure figcaption,
.content-media figcaption,
.service-figure figcaption,
.media-block figcaption,
.faq-media figcaption,
.section-figure figcaption {
  padding: 10px 14px 12px;
  margin: 0;
  border-top: 1px solid var(--line-soft);
}

/* --- 侧栏 / 信息栏通用块 --- */
.sidebar-block,
.aside-block {
  padding: 20px;
  margin-bottom: 24px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.sidebar-title,
.aside-title {
  margin: 0 0 14px;
  padding-bottom: 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  border-bottom: 1px solid var(--line-soft);
}

.sidebar-list,
.aside-list {
  margin: 0;
}

.sidebar-list li,
.aside-list li {
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line-soft);
  font-size: 14px;
  line-height: 1.7;
}

.sidebar-list li:last-child,
.aside-list li:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}

.sidebar-list a,
.aside-list a,
.sidebar-link {
  color: var(--ink-soft);
}

.sidebar-list a:hover,
.aside-list a:hover,
.sidebar-link:hover,
.sidebar-list a:focus-visible,
.aside-list a:focus-visible,
.sidebar-link:focus-visible {
  color: var(--accent);
}

.sidebar-text {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 14px;
}

.sidebar-text:last-child {
  margin-bottom: 0;
}

/* --- 内页 section 通用间距与分割 --- */
.section,
.content-section,
.flow-overview,
.stage-detail,
.prep-checklist,
.next-step,
.faq-group,
.faq-overview,
.faq-terms {
  padding-bottom: 40px;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--line);
}

.section:last-child,
.content-section:last-child,
.faq-group:last-child,
.faq-terms:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

/* --- 下一步链接组 --- */
.next-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-top: 16px;
}

.next-link {
  display: inline-block;
  padding: 10px 18px;
  min-height: 44px;
  background-color: var(--card);
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  color: var(--ink);
  font-weight: 700;
  line-height: 22px;
}

.next-link:hover,
.next-link:focus-visible {
  background-color: var(--ink);
  color: #ffffff;
}

/* --- 按钮（404 页） --- */
.btn {
  display: inline-block;
  padding: 12px 24px;
  min-height: 44px;
  border-radius: var(--radius);
  font-weight: 700;
  line-height: 20px;
  text-align: center;
}

.btn-primary {
  background-color: var(--ink);
  color: #ffffff;
  border: 1px solid var(--ink);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

/* --- 普通列表 / 编号列表 --- */
.plain-list {
  margin: 0 0 20px;
  padding-left: 0;
}

.plain-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
}

.plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 2px;
  background-color: var(--accent);
}

.numbered-list {
  margin: 0 0 20px;
  counter-reset: numbered;
}

.numbered-list li {
  position: relative;
  padding-left: 40px;
  margin-bottom: 18px;
}

.numbered-list li::before {
  counter-increment: numbered;
  content: counter(numbered, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--accent);
}

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

/* --- 对照两栏（服务边界 / 内容边界） --- */
.boundary-columns,
.compare-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin: 20px 0;
}

.boundary-col,
.compare-col {
  padding: 20px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.boundary-col ul,
.compare-col ul {
  margin: 0;
}

.boundary-col li,
.compare-col li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  font-size: 15px;
  line-height: 1.7;
}

.boundary-col li:last-child,
.compare-col li:last-child {
  margin-bottom: 0;
}

.boundary-col li::before,
.compare-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 2px;
  background-color: var(--ink-soft);
}

.boundary-in li::before,
.compare-col .compare-title + ul li::before {
  background-color: var(--accent);
}

.boundary-out li::before {
  background-color: var(--muted);
}

.compare-title {
  margin: 0 0 14px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

/* ==========================================================================
   pages — 首页
   ========================================================================== */

/* --- 首屏 --- */
.hero {
  padding: 48px 0 40px;
  background-color: var(--card);
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 620px) minmax(0, 460px);
  gap: 40px;
  align-items: start;
}

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

.hero-text .index-tag {
  margin-bottom: 14px;
}

.hero-title {
  margin: 0 0 18px;
  font-size: 34px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
}

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

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

.path-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px;
  min-height: 44px;
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--ink);
  border-radius: var(--radius);
  color: var(--text);
}

.path-card:hover,
.path-card:focus-visible {
  border-left-color: var(--accent);
  color: var(--text);
}

.path-card-accent {
  border-left-color: var(--accent);
}

.path-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.path-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.path-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.hero-figure {
  position: relative;
  min-width: 0;
}

.hero-figure img {
  aspect-ratio: 4 / 3;
}

.hero-caption {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 12px 14px;
  margin: 0;
  border-top: 1px solid var(--line-soft);
  color: var(--muted);
  font-size: 13px;
}

.hero-caption .index-tag {
  color: var(--accent);
}

.content-media {
  margin-top: 32px;
}

.content-media-primary img {
  aspect-ratio: 16 / 7;
}

/* --- 首页各 section 通用 --- */
.services-overview,
.process-overview,
.prep-summary,
.faq-entry {
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
}

.faq-entry {
  border-bottom: 0;
}

/* --- 服务项目一览 --- */
.service-list {
  margin: 0;
  border-top: 1px solid var(--line);
}

.service-item {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-soft);
}

.service-no {
  display: block;
  padding-top: 4px;
  color: var(--accent);
}

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

.service-name {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.service-field {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}

.service-field:last-child {
  margin-bottom: 0;
}

.field-label {
  display: inline-block;
  margin-right: 10px;
  padding: 1px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: 3px;
}

/* --- 合作流程四阶段 --- */
.stage-track {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  border-top: 2px solid var(--ink);
}

.stage-block {
  position: relative;
  padding: 22px 20px 22px 0;
  border-right: 1px solid var(--line);
  min-width: 0;
}

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

.stage-block:not(:first-child) {
  padding-left: 20px;
}

.stage-no {
  display: block;
  margin-bottom: 10px;
  color: var(--accent);
}

.stage-name {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

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

/* --- 资料准备与交付标准摘要 --- */
.prep-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.prep-col {
  padding: 24px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
}

.prep-col-title {
  margin: 0 0 16px;
  padding-bottom: 12px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  border-bottom: 1px solid var(--line-soft);
}

.prep-list {
  margin: 0;
  counter-reset: prep;
}

.prep-list li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 12px;
  font-size: 15px;
  line-height: 1.7;
}

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

.prep-list li::before {
  counter-increment: prep;
  content: counter(prep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--accent);
}

/* --- 常见问题与术语索引入口 --- */
.faq-entry-inner {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: var(--gutter);
  align-items: start;
}

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

.faq-entry-side {
  min-width: 0;
  padding: 24px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.side-title {
  margin: 0 0 16px;
  padding-bottom: 12px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  border-bottom: 1px solid var(--line-soft);
}

.faq-preview {
  margin: 0;
  border-top: 1px solid var(--line);
}

.faq-preview-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

.faq-preview-q {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.faq-preview-a {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

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

/* --- 站内栏目索引（首页五列 / 关于页四列） --- */
.index-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 20px;
}

.index-col {
  min-width: 0;
  padding: 18px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.index-col-title {
  display: block;
  margin-bottom: 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

a.index-col-title:hover,
a.index-col-title:focus-visible {
  color: var(--accent);
}

.index-col-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ==========================================================================
   pages — 服务项目页
   ========================================================================== */

.section-overview .section-title,
.section-services .section-title,
.section-boundary .section-title,
.section-next .section-title {
  margin-bottom: 14px;
}

.service-toc {
  margin-top: 20px;
  padding: 20px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.toc-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 20px;
  margin: 0;
  counter-reset: toc;
}

.toc-list li {
  position: relative;
  padding-left: 34px;
  font-size: 15px;
  line-height: 1.7;
}

.toc-list li::before {
  counter-increment: toc;
  content: counter(toc, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--accent);
}

.toc-list a {
  color: var(--ink-soft);
}

.toc-list a:hover,
.toc-list a:focus-visible {
  color: var(--accent);
}

.service-detail {
  padding: 24px 0;
  border-top: 1px solid var(--line-soft);
}

.service-detail:first-of-type {
  border-top: 1px solid var(--line);
}

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

.service-figure img {
  aspect-ratio: 16 / 8;
}

.service-detail .service-index {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
}

.service-detail .service-name {
  margin: 0 0 14px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.service-meta {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 8px 16px;
  margin: 0;
}

.service-meta dt {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

.service-meta dd {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

/* ==========================================================================
   pages — 合作流程页
   ========================================================================== */

.flow-overview .section-intro,
.stage-detail .section-intro,
.prep-checklist .section-intro,
.next-step .section-intro {
  margin-bottom: 20px;
}

.media-block-wide {
  margin: 0 0 24px;
}

.media-block-wide img {
  aspect-ratio: 16 / 7;
}

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

.stage-strip-item {
  padding: 16px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-top: 3px solid var(--ink);
  border-radius: var(--radius);
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
}

.stage-block {
  padding: 24px 0;
  border-top: 1px solid var(--line-soft);
}

.stage-detail .stage-block:first-of-type {
  border-top: 1px solid var(--line);
}

.stage-block-title {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.stage-block-num {
  display: inline-block;
  margin-right: 10px;
  color: var(--accent);
}

.stage-block-desc {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.75;
}

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

.stage-col {
  min-width: 0;
  padding: 18px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.stage-col-title {
  margin: 0 0 12px;
  padding-bottom: 10px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  border-bottom: 1px solid var(--line-soft);
}

.stage-list {
  margin: 0;
}

.stage-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

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

.stage-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 2px;
  background-color: var(--ink-soft);
}

.stage-point,
.stage-risk {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.stage-risk {
  margin-bottom: 0;
}

.point-label,
.risk-label {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  border-radius: 3px;
}

.point-label {
  color: var(--ink);
  background-color: var(--paper);
  border: 1px solid var(--line);
}

.risk-label {
  color: var(--accent);
  background-color: #fbf3ec;
  border: 1px solid #e6cdb8;
}

.check-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 24px;
  margin: 0;
}

.check-item {
  position: relative;
  padding: 12px 16px 12px 40px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 15px;
  line-height: 1.7;
  min-width: 0;
}

.check-item::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 20px;
  width: 12px;
  height: 7px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}

/* ==========================================================================
   pages — 常见问题页
   ========================================================================== */

.faq-overview .section-lead,
.faq-group-head .section-lead {
  margin-bottom: 20px;
}

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

.faq-order-item {
  padding: 18px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
}

.order-tag {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
}

.order-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}

.faq-group-head {
  margin-bottom: 20px;
}

.faq-group-head .section-index {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
}

.faq-media {
  margin: 0 0 24px;
}

.faq-media img {
  aspect-ratio: 16 / 7;
}

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

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

.faq-question {
  position: relative;
  padding: 18px 48px 18px 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.faq-question::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 16px;
  width: 24px;
  height: 24px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 24px;
  text-align: center;
  color: var(--accent);
}

.faq-item[open] .faq-question::after {
  content: "\2212";
}

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

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

.faq-answer p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

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

.term-layout {
  margin-bottom: 28px;
}

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

.term-item {
  padding: 18px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  min-width: 0;
}

.term-name {
  margin-bottom: 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.term-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.faq-next {
  padding: 20px;
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.faq-next-text {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}

.faq-next-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: 0;
}

/* ==========================================================================
   pages — 关于奇漫屋
   ========================================================================== */

.page-about .section-figure {
  margin: 20px 0;
}

.page-about .section-figure img {
  aspect-ratio: 16 / 7;
}

.page-about .index-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 20px 0;
}

.page-about .numbered-list li {
  padding-left: 44px;
}

.item-title {
  display: block;
  margin-bottom: 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.sidebar-steps {
  margin: 0;
  counter-reset: side-step;
}

.sidebar-steps li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 10px;
  font-size: 14px;
  line-height: 1.7;
}

.sidebar-steps li:last-child {
  margin-bottom: 0;
}

.sidebar-steps li::before {
  counter-increment: side-step;
  content: counter(side-step);
  position: absolute;
  left: 0;
  top: 1px;
  width: 18px;
  height: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 18px;
  text-align: center;
  color: #ffffff;
  background-color: var(--ink-soft);
  border-radius: 3px;
}

/* ==========================================================================
   pages — 404
   ========================================================================== */

.error-main {
  padding-top: 48px;
}

.error-inner {
  max-width: 720px;
}

.error-inner .section-index {
  display: block;
  margin-bottom: 12px;
  color: var(--accent);
}

.error-main h1 {
  margin: 0 0 16px;
  font-size: 34px;
  color: var(--ink);
}

.error-lead {
  margin: 0 0 32px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.error-section {
  padding: 24px;
  margin-bottom: 28px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.error-section h2 {
  margin: 0 0 16px;
  font-size: 20px;
}

.error-list {
  margin: 0;
}

.error-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  font-size: 15px;
  line-height: 1.7;
}

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

.error-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 2px;
  background-color: var(--accent);
}

.error-action {
  margin: 0;
}

/* ==========================================================================
   responsive — 900px / 600px 断点
   ========================================================================== */

@media (max-width: 900px) {
  .container,
  .breadcrumb,
  .page-header {
    padding-left: 20px;
    padding-right: 20px;
  }

  /* 页头与移动导航 */
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    flex-basis: 100%;
    width: 100%;
    margin-left: 0;
  }

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

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

  .nav-list li {
    border-bottom: 1px solid var(--line-soft);
  }

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

  .nav-list a {
    display: block;
    padding: 12px 4px;
    min-height: 44px;
    border-bottom: 0;
  }

  .nav-list a.is-current {
    border-bottom: 0;
    color: var(--accent);
  }

  /* 首屏 */
  .hero {
    padding: 32px 0 28px;
  }

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

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

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

  /* 首页模块 */
  .services-overview,
  .process-overview,
  .prep-summary,
  .faq-entry {
    padding: 36px 0;
  }

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

  .stage-block {
    padding: 18px 0;
    border-right: 0;
    border-top: 2px solid var(--ink);
  }

  .stage-block:not(:first-child) {
    padding-left: 0;
  }

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

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

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

  /* 内页双栏：正文在前，侧栏在后 */
  .page-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .section,
  .content-section,
  .flow-overview,
  .stage-detail,
  .prep-checklist,
  .next-step,
  .faq-group,
  .faq-overview,
  .faq-terms {
    padding-bottom: 32px;
    margin-bottom: 32px;
  }

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

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

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

  /* 页脚 */
  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    padding-top: 36px;
  }

  .footer-nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (max-width: 600px) {
  .container,
  .breadcrumb,
  .page-header {
    padding-left: 16px;
    padding-right: 16px;
  }

  .header-inner {
    min-height: 64px;
  }

  .fact-bar-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .fact-nav {
    gap: 6px 16px;
  }

  .site-main {
    padding-bottom: 44px;
  }

  .inner-main {
    padding-top: 20px;
  }

  .breadcrumb {
    margin-bottom: 14px;
  }

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

  h2,
  .section-title {
    font-size: 20px;
  }

  h3 {
    font-size: 17px;
  }

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

  .hero-lead {
    font-size: 15px;
  }

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

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

  .boundary-columns,
  .compare-grid,
  .check-list,
  .stage-block-grid,
  .toc-list {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .footer-nav {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }

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

  .service-meta dt {
    margin-top: 8px;
  }

  .service-meta dt:first-of-type {
    margin-top: 0;
  }

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

  .prep-col,
  .faq-entry-side,
  .error-section {
    padding: 18px;
  }

  .next-link,
  .btn {
    display: block;
    width: 100%;
    text-align: center;
  }

  .next-links {
    flex-direction: column;
    gap: 10px;
  }
}

/* 尊重减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  a,
  .nav-list a {
    transition: none;
  }
}