/* ==========================================================================
   光棍影院11111 通用企业官网 · 全站样式
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base · 变量与基础排版
   -------------------------------------------------------------------------- */
:root {
  --c-primary: #1F3A5F;
  --c-accent: #2A6BB0;
  --c-positive: #4A7C59;
  --c-warn: #A85A2A;
  --c-bg: #F7F5F0;
  --c-card: #FFFFFF;
  --c-line: #D8D4CC;
  --c-text: #2B2B2B;
  --c-muted: #5C6169;
  --radius: 4px;
  --radius-lg: 6px;
  --shadow-soft: 0 1px 2px rgba(31, 58, 95, 0.06);
  --shadow-card: 0 2px 10px rgba(31, 58, 95, 0.07);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, "Courier New", monospace;
  --wrap: 1160px;
  --wrap-narrow: 720px;
  --gutter: 24px;
}

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

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

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.85;
  overflow-wrap: break-word;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--c-primary);
  font-weight: 700;
  line-height: 1.45;
}

p {
  margin: 0 0 12px;
}

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

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

ul,
ol {
  list-style: none;
}

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

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

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

img {
  max-width: 100%;
  height: auto;
  border: 0;
}

figure {
  margin: 0;
}

figcaption {
  color: var(--c-muted);
  font-size: 13px;
  line-height: 1.7;
}

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

button {
  font: inherit;
  color: inherit;
}

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

/* --------------------------------------------------------------------------
   layout · 骨架：site-body / header / nav / main / footer
   -------------------------------------------------------------------------- */
.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--c-bg);
}

.site-header {
  background: var(--c-card);
  border-bottom: 1px solid var(--c-line);
  position: relative;
  z-index: 30;
}

.header-inner {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 14px var(--gutter);
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--c-primary);
  letter-spacing: 0;
  line-height: 1.3;
}

.brand::before {
  content: "";
  width: 10px;
  height: 22px;
  background: var(--c-accent);
  border-radius: 2px;
  flex: none;
}

.brand:hover,
.brand:focus-visible {
  color: var(--c-primary);
  text-decoration: none;
}

.header-tools {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.tool-link {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 4px 12px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: #FBF9F5;
  color: var(--c-primary);
  font-size: 13px;
  line-height: 1.4;
}

.tool-link:hover,
.tool-link:focus-visible {
  border-color: var(--c-accent);
  color: var(--c-accent);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: #FBF9F5;
  cursor: pointer;
  position: relative;
}

.nav-toggle::before,
.nav-toggle::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  height: 2px;
  background: var(--c-primary);
}

.nav-toggle::before {
  top: 16px;
  box-shadow: 0 6px 0 var(--c-primary);
}

.nav-toggle::after {
  bottom: 16px;
}

.site-nav {
  background: var(--c-primary);
  border-top: 1px solid var(--c-primary);
}

.nav-list {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: stretch;
  flex-wrap: wrap;
}

.nav-list > li {
  display: flex;
}

.nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 18px;
  color: #E8EEF6;
  font-size: 15px;
  border-bottom: 3px solid transparent;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.08);
  text-decoration: none;
}

.nav-list a.is-current {
  color: #FFFFFF;
  font-weight: 700;
  border-bottom-color: #FFFFFF;
  background: rgba(255, 255, 255, 0.06);
}

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

.inner-main {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter) 56px;
}

.home-main {
  width: 100%;
}

.site-footer {
  background: #1B2E48;
  color: #C9D4E2;
  margin-top: 48px;
  border-top: 4px solid var(--c-accent);
}

.footer-inner {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 40px var(--gutter) 28px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 28px 24px;
}

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

.footer-brand {
  grid-column: span 1;
}

.footer-brand-name {
  margin: 0 0 8px;
  color: #FFFFFF;
  font-size: 17px;
  font-weight: 700;
}

.footer-desc {
  margin: 0;
  color: #A9B7C9;
  font-size: 13px;
  line-height: 1.8;
}

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

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

.footer-list a {
  color: #C9D4E2;
  font-size: 13px;
  line-height: 1.7;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.copyright {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 16px var(--gutter);
  color: #93A3B8;
  font-size: 13px;
}

/* --------------------------------------------------------------------------
   components · 通用元素：按钮 / 表格 / 卡片 / 问答 / 相关入口
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 9px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  cursor: pointer;
}

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

.btn-primary:hover,
.btn-primary:focus-visible {
  background: #235A96;
  border-color: #235A96;
  color: #FFFFFF;
  text-decoration: none;
}

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

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background: #EDF2F8;
  color: var(--c-primary);
  text-decoration: none;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
}

.data-table {
  min-width: 720px;
  font-size: 14px;
}

.table-caption {
  caption-side: top;
  padding: 14px 18px;
  text-align: left;
  color: var(--c-muted);
  font-size: 13px;
  border-bottom: 1px solid var(--c-line);
}

.data-table th,
.data-table td {
  padding: 12px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--c-line);
  line-height: 1.7;
}

.data-table thead th {
  background: #EFF3F8;
  color: var(--c-primary);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

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

.data-table tbody tr:hover td {
  background: #FAFBFD;
}

.cell-code,
.cell-num {
  font-family: var(--font-mono);
  color: var(--c-accent);
  font-weight: 700;
  white-space: nowrap;
}

.cell-name {
  color: var(--c-primary);
  font-weight: 700;
}

.related-section,
.related-entry {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--c-line);
}

.related-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.related-item {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  box-shadow: var(--shadow-soft);
}

.related-item:hover {
  border-color: var(--c-accent);
}

.related-item a {
  display: inline-block;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-primary);
}

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

.related-item p,
.related-desc {
  margin: 6px 0 0;
  color: var(--c-muted);
  font-size: 13px;
  line-height: 1.75;
}

.related-entry .related-item .related-desc {
  display: block;
}

/* 内页通用 section 标题 */
.section-title {
  font-size: 22px;
  line-height: 1.5;
  margin: 0 0 10px;
  padding-left: 12px;
  border-left: 4px solid var(--c-accent);
}

.section-intro,
.section-lead {
  max-width: var(--wrap-narrow);
  margin: 0 0 20px;
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.85;
}

.section-intro a,
.section-lead a {
  color: var(--c-accent);
}

/* --------------------------------------------------------------------------
   layout · 内页统一外壳：面包屑 / 页面标题区 / 锚点行
   -------------------------------------------------------------------------- */
.breadcrumb {
  width: 100%;
  padding: 18px 0 6px;
  color: var(--c-muted);
  font-size: 13px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

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

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

.breadcrumb-sep {
  color: #A9A49A;
}

.breadcrumb-current {
  color: var(--c-primary);
  font-weight: 700;
}

.page-header {
  padding: 10px 0 22px;
  border-bottom: 1px solid var(--c-line);
  margin-bottom: 28px;
}

.page-title {
  font-size: 30px;
  line-height: 1.4;
  margin: 0 0 12px;
  color: var(--c-primary);
}

.page-description {
  max-width: var(--wrap-narrow);
  margin: 0;
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.85;
}

.anchor-nav {
  margin-top: 16px;
}

.anchor-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.anchor-list a,
.anchor-nav > a {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 4px 14px;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  background: var(--c-card);
  color: var(--c-primary);
  font-size: 13px;
}

.anchor-nav > a {
  margin: 0 8px 8px 0;
}

.anchor-list a:hover,
.anchor-list a:focus-visible,
.anchor-nav > a:hover,
.anchor-nav > a:focus-visible {
  border-color: var(--c-accent);
  color: var(--c-accent);
  text-decoration: none;
}

/* 内页 section 通用间距 */
.inner-main > section {
  margin-bottom: 44px;
}

.inner-main > section:last-of-type {
  margin-bottom: 0;
}

/* 内页图片容器 */
.media-figure,
.page-figure,
.page-media,
.process-figure {
  margin: 0 0 28px;
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.media-figure img,
.page-figure img,
.page-media img,
.process-figure img {
  display: block;
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.media-caption,
.page-figure figcaption,
.page-media figcaption,
.process-figure figcaption {
  padding: 12px 18px;
  border-top: 1px solid var(--c-line);
}

/* --------------------------------------------------------------------------
   pages · 首页
   -------------------------------------------------------------------------- */
.fact-bar {
  background: #EDF1F6;
  border-bottom: 1px solid var(--c-line);
}

.fact-bar p {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 9px var(--gutter);
  color: var(--c-primary);
  font-size: 13px;
  line-height: 1.7;
}

.home-section {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 44px var(--gutter) 0;
}

.section-head {
  margin-bottom: 22px;
  border-bottom: 1px solid var(--c-line);
  padding-bottom: 14px;
}

.section-desc {
  max-width: var(--wrap-narrow);
  margin: 0;
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.85;
}

.section-desc a {
  color: var(--c-accent);
  font-weight: 700;
}

/* 首屏工具栏 */
.home-hero {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 32px var(--gutter) 8px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

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

.hero-eyebrow {
  display: inline-block;
  margin: 0 0 12px;
  padding: 3px 10px;
  background: #E7EEF7;
  border: 1px solid #C9DAEC;
  border-radius: var(--radius);
  color: var(--c-accent);
  font-size: 13px;
  font-weight: 700;
}

.hero-title {
  font-size: 34px;
  line-height: 1.35;
  margin: 0 0 14px;
}

.hero-lead {
  max-width: 520px;
  margin: 0 0 22px;
  color: #3C4450;
  font-size: 15px;
  line-height: 1.9;
}

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

.hero-media {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero-figure {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.hero-figure img {
  display: block;
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.hero-figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--c-line);
}

.overview-card {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-card);
}

.overview-title {
  font-size: 17px;
  margin: 0 0 14px;
}

.overview-list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--c-line);
}

.overview-num {
  flex: none;
  min-width: 52px;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--c-accent);
  line-height: 1.3;
}

.overview-text {
  color: var(--c-text);
  font-size: 14px;
  line-height: 1.7;
}

.overview-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  margin-top: 14px;
  font-size: 14px;
  font-weight: 700;
}

/* 服务方向总览表 */
.directions-section .table-wrap {
  margin-bottom: 22px;
}

.section-figure {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.section-figure img {
  display: block;
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.section-figure figcaption {
  padding: 12px 18px;
  border-top: 1px solid var(--c-line);
}

/* 合作流程四阶段预览 */
.stage-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.stage-item {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-top: 3px solid var(--c-accent);
  border-radius: var(--radius-lg);
  padding: 18px 16px;
  box-shadow: var(--shadow-soft);
  min-width: 0;
}

.stage-index {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--c-accent);
}

.stage-name {
  font-size: 17px;
  margin: 0 0 10px;
}

.stage-pre,
.stage-act,
.stage-out {
  margin: 0 0 8px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-muted);
}

.stage-pre::before {
  content: "前置 · ";
  color: var(--c-warn);
  font-weight: 700;
}

.stage-act::before {
  content: "动作 · ";
  color: var(--c-primary);
  font-weight: 700;
}

.stage-out::before {
  content: "产出 · ";
  color: var(--c-positive);
  font-weight: 700;
}

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

/* 角色入口与对应任务 */
.role-list {
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background: var(--c-card);
  overflow: hidden;
}

.role-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: 20px;
  padding: 20px 22px;
  border-bottom: 1px solid var(--c-line);
}

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

.role-item:hover {
  background: #FAFBFD;
}

.role-field {
  min-width: 0;
}

.role-name {
  font-size: 17px;
  margin: 0 0 6px;
}

.role-desc {
  margin: 0;
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.8;
}

.role-meta {
  min-width: 0;
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 6px 14px;
  align-content: start;
}

.role-meta dt {
  color: var(--c-primary);
  font-size: 13px;
  font-weight: 700;
}

.role-meta dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #3C4450;
}

/* 交付标准与责任边界摘要 */
.standards-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.standards-col {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.standards-col:first-child {
  border-top: 3px solid var(--c-positive);
}

.standards-col:last-child {
  border-top: 3px solid var(--c-warn);
}

.standards-subtitle {
  font-size: 17px;
  margin: 0 0 12px;
}

.standards-list {
  flex: 1 1 auto;
  margin-bottom: 14px;
}

.standards-list li {
  position: relative;
  padding: 7px 0 7px 18px;
  font-size: 14px;
  line-height: 1.8;
  border-bottom: 1px dashed var(--c-line);
}

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

.standards-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 16px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
}

.col-link {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  font-size: 14px;
  font-weight: 700;
}

/* 常见问题摘要 */
.faq-preview {
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background: var(--c-card);
  overflow: hidden;
}

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

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

.faq-item summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  cursor: pointer;
  color: var(--c-primary);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  list-style: none;
}

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

.faq-item summary::before {
  content: "+";
  flex: none;
  width: 20px;
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--c-accent);
  text-align: center;
}

.faq-item[open] summary::before {
  content: "−";
}

.faq-item summary:hover {
  background: #F5F8FC;
}

.faq-item p {
  margin: 0;
  padding: 0 20px 16px 50px;
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.85;
}

/* 站内栏目索引 */
.column-index {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
}

.index-item {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 16px 14px;
  min-width: 0;
}

.index-item:hover {
  border-color: var(--c-accent);
}

.index-item a {
  display: inline-block;
  margin-bottom: 6px;
  color: var(--c-primary);
  font-size: 15px;
  font-weight: 700;
}

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

.index-item p {
  margin: 0;
  color: var(--c-muted);
  font-size: 13px;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   pages · 服务方向（对比页）
   -------------------------------------------------------------------------- */
.conclusion-block {
  background: #EDF3FA;
  border: 1px solid #C9DAEC;
  border-left: 4px solid var(--c-accent);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
}

.conclusion-block .section-title {
  border-left: 0;
  padding-left: 0;
  font-size: 19px;
}

.conclusion-block p {
  color: #33404F;
  font-size: 14px;
  line-height: 1.9;
}

.compare-section .table-wrap {
  margin-top: 6px;
}

.direction-item {
  display: grid;
  grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--c-line);
}

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

.direction-figure {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  align-self: start;
}

.direction-figure img {
  display: block;
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.direction-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--c-line);
}

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

.direction-title {
  font-size: 19px;
  margin: 0 0 8px;
}

.direction-role {
  display: inline-block;
  margin: 0 0 12px;
  padding: 3px 10px;
  background: #E9F1EA;
  border: 1px solid #C6DBCB;
  border-radius: var(--radius);
  color: var(--c-positive);
  font-size: 13px;
  font-weight: 700;
}

.direction-body > p {
  color: #3C4450;
  font-size: 14px;
  line-height: 1.85;
}

.direction-task-label {
  margin: 14px 0 8px;
  color: var(--c-primary);
  font-size: 14px;
  font-weight: 700;
}

.task-list {
  margin-bottom: 12px;
}

.task-list li {
  position: relative;
  padding: 5px 0 5px 18px;
  font-size: 14px;
  line-height: 1.8;
  color: #3C4450;
}

.task-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
}

.direction-link {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
}

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

.unsuitable-item {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-left: 4px solid var(--c-warn);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  min-width: 0;
}

.unsuitable-title {
  font-size: 17px;
  margin: 0 0 8px;
}

.unsuitable-item p {
  color: #3C4450;
  font-size: 14px;
  line-height: 1.8;
}

.unsuitable-advice {
  margin: 10px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--c-line);
  font-size: 13px;
}

/* --------------------------------------------------------------------------
   pages · 合作流程（时间线）
   -------------------------------------------------------------------------- */
.stage-overview .stage-strip {
  margin-bottom: 24px;
}

.stage-strip-item {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 16px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stage-strip-item .stage-index {
  margin: 0;
}

.stage-strip-item .stage-name {
  font-size: 16px;
  margin: 0;
}

.stage-strip-item .stage-note {
  color: var(--c-muted);
  font-size: 13px;
  line-height: 1.7;
}

.timeline-list {
  position: relative;
  margin-top: 8px;
  padding-left: 22px;
  border-left: 2px solid #C9DAEC;
}

.timeline-item {
  position: relative;
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-soft);
}

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

.timeline-item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 26px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-accent);
  border: 2px solid var(--c-bg);
}

.timeline-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-line);
}

.timeline-index {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--c-accent);
}

.timeline-title {
  font-size: 18px;
  margin: 0;
}

.timeline-fields {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 8px 16px;
}

.field-label {
  color: var(--c-primary);
  font-size: 13px;
  font-weight: 700;
}

.field-value {
  margin: 0;
  color: #3C4450;
  font-size: 14px;
  line-height: 1.85;
}

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

.blocker-item {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-top: 3px solid var(--c-warn);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  min-width: 0;
}

.blocker-title {
  font-size: 17px;
  margin: 0 0 8px;
}

.blocker-text {
  margin: 0;
  color: #3C4450;
  font-size: 14px;
  line-height: 1.85;
}

/* --------------------------------------------------------------------------
   pages · 交付标准
   -------------------------------------------------------------------------- */
.section-media {
  margin-bottom: 36px;
}

.requirement-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.requirement-item {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.requirement-title {
  font-size: 17px;
  margin: 0 0 8px;
}

.requirement-text {
  flex: 1 1 auto;
  color: #3C4450;
  font-size: 14px;
  line-height: 1.85;
}

.requirement-check {
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--c-line);
  color: var(--c-muted);
  font-size: 13px;
  line-height: 1.75;
}

.check-label {
  display: inline-block;
  margin-right: 6px;
  padding: 1px 8px;
  background: #E9F1EA;
  border: 1px solid #C6DBCB;
  border-radius: var(--radius);
  color: var(--c-positive);
  font-size: 12px;
  font-weight: 700;
}

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

.responsibility-col {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  min-width: 0;
}

.responsibility-col-provider {
  border-top: 3px solid var(--c-accent);
}

.responsibility-col-client {
  border-top: 3px solid var(--c-positive);
}

.responsibility-title {
  font-size: 17px;
  margin: 0 0 12px;
}

.responsibility-list li {
  position: relative;
  padding: 7px 0 7px 18px;
  font-size: 14px;
  line-height: 1.8;
  color: #3C4450;
  border-bottom: 1px dashed var(--c-line);
}

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

.responsibility-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 16px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
}

.responsibility-col-client .responsibility-list li::before {
  background: var(--c-positive);
}

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

.acceptance-item {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  min-width: 0;
}

.acceptance-title {
  font-size: 17px;
  margin: 0 0 8px;
}

.acceptance-text {
  margin: 0;
  color: #3C4450;
  font-size: 14px;
  line-height: 1.85;
}

/* --------------------------------------------------------------------------
   pages · 准备事项
   -------------------------------------------------------------------------- */
.page-intro {
  max-width: var(--wrap-narrow);
  margin: 0 0 24px;
  color: #3C4450;
  font-size: 15px;
  line-height: 1.9;
}

.prep-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.prep-group {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  min-width: 0;
}

.prep-group-title {
  font-size: 17px;
  margin: 0 0 8px;
}

.prep-group-desc {
  margin: 0 0 12px;
  color: var(--c-muted);
  font-size: 13px;
  line-height: 1.75;
}

.prep-list li {
  position: relative;
  padding: 6px 0 6px 18px;
  font-size: 14px;
  line-height: 1.8;
  color: #3C4450;
  border-bottom: 1px dashed var(--c-line);
}

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

.prep-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 15px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
}

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

.impact-item {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-left: 4px solid var(--c-warn);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  min-width: 0;
}

.impact-item-title {
  font-size: 17px;
  margin: 0 0 8px;
}

.impact-item p {
  margin: 0;
  color: #3C4450;
  font-size: 14px;
  line-height: 1.85;
}

.section-note {
  margin: 18px 0 0;
  padding: 14px 18px;
  background: #EDF3FA;
  border: 1px solid #C9DAEC;
  border-radius: var(--radius-lg);
  font-size: 14px;
  line-height: 1.8;
}

.selfcheck-list {
  counter-reset: selfcheck;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background: var(--c-card);
  overflow: hidden;
}

.selfcheck-item {
  display: flex;
  gap: 16px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--c-line);
}

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

.selfcheck-num {
  flex: none;
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #E7EEF7;
  border: 1px solid #C9DAEC;
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
}

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

.selfcheck-title {
  font-size: 16px;
  margin: 0 0 6px;
}

.selfcheck-body p {
  margin: 0;
  color: #3C4450;
  font-size: 14px;
  line-height: 1.85;
}

/* --------------------------------------------------------------------------
   pages · 常见问题
   -------------------------------------------------------------------------- */
.faq-section {
  margin-bottom: 40px;
}

.faq-group {
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background: var(--c-card);
  overflow: hidden;
  margin-top: 6px;
}

.faq-question {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 16px 20px;
  cursor: pointer;
  color: var(--c-primary);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.7;
  list-style: none;
}

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

.faq-question::before {
  content: "问";
  flex: none;
  width: 24px;
  height: 24px;
  margin-top: 1px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: var(--c-accent);
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 700;
}

.faq-question:hover {
  background: #F5F8FC;
}

.faq-answer {
  padding: 0 20px 18px 54px;
}

.faq-answer p {
  margin: 0;
  color: #3C4450;
  font-size: 14px;
  line-height: 1.9;
}

.faq-section-open .open-question-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.open-question {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-top: 3px solid var(--c-accent);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  min-width: 0;
}

.open-question-title {
  font-size: 17px;
  margin: 0 0 8px;
}

.open-question p {
  margin: 0;
  color: #3C4450;
  font-size: 14px;
  line-height: 1.85;
}

/* --------------------------------------------------------------------------
   pages · 404
   -------------------------------------------------------------------------- */
.error-main {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 48px var(--gutter) 56px;
}

.error-hero {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-left: 4px solid var(--c-warn);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 32px;
}

.error-code {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 700;
  color: var(--c-warn);
  line-height: 1.2;
}

.error-hero h1 {
  font-size: 26px;
  margin: 0 0 12px;
}

.error-lead {
  max-width: var(--wrap-narrow);
  margin: 0 0 22px;
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.85;
}

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

.error-paths h2 {
  font-size: 20px;
  margin: 0 0 16px;
  padding-left: 12px;
  border-left: 4px solid var(--c-accent);
}

.error-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.error-list li {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 0;
  min-width: 0;
}

.error-list a {
  display: block;
  padding: 16px 18px;
  color: var(--c-primary);
  font-size: 15px;
  font-weight: 700;
}

.error-list a:hover,
.error-list a:focus-visible {
  color: var(--c-accent);
  text-decoration: none;
  background: #F5F8FC;
}

/* --------------------------------------------------------------------------
   responsive · 960px
   -------------------------------------------------------------------------- */
@media (max-width: 960px) {
  .header-inner {
    padding: 12px var(--gutter);
  }

  .header-tools {
    gap: 6px;
  }

  .nav-toggle {
    display: block;
    order: 3;
  }

  .header-tools {
    order: 2;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 6px 0;
  }

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

  .nav-list > li {
    display: block;
  }

  .nav-list a {
    min-height: 48px;
    padding: 0 var(--gutter);
    border-bottom: 0;
    border-left: 3px solid transparent;
  }

  .nav-list a.is-current {
    border-bottom-color: transparent;
    border-left-color: #FFFFFF;
  }

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

  .hero-title {
    font-size: 28px;
  }

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

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

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

  .footer-brand {
    grid-column: span 2;
  }

  .role-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

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

  .direction-figure img {
    height: 220px;
  }
}

/* --------------------------------------------------------------------------
   responsive · 640px
   -------------------------------------------------------------------------- */
@media (max-width: 640px) {
  :root {
    --gutter: 16px;
  }

  body {
    font-size: 15px;
  }

  .brand {
    font-size: 18px;
  }

  .header-tools .tool-link {
    min-height: 40px;
    padding: 4px 10px;
    font-size: 12px;
  }

  .fact-bar p {
    font-size: 12px;
  }

  .home-section {
    padding-top: 34px;
  }

  .hero-title {
    font-size: 24px;
  }

  .hero-lead {
    font-size: 14px;
  }

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

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

  .hero-figure img {
    height: 190px;
  }

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

  .page-title {
    font-size: 24px;
  }

  .page-description {
    font-size: 14px;
  }

  .media-figure img,
  .page-figure img,
  .page-media img,
  .process-figure img {
    height: 190px;
  }

  .section-figure img {
    height: 190px;
  }

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

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

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

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

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

  .timeline-list {
    padding-left: 14px;
  }

  .timeline-item {
    padding: 16px;
  }

  .timeline-item::before {
    left: -22px;
    top: 22px;
    width: 10px;
    height: 10px;
  }

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

  .field-label {
    margin-top: 8px;
  }

  .faq-item p {
    padding: 0 16px 14px 44px;
  }

  .faq-question {
    padding: 14px 16px;
  }

  .faq-answer {
    padding: 0 16px 16px 50px;
  }

  .selfcheck-item {
    gap: 12px;
    padding: 16px;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    padding: 32px var(--gutter) 22px;
  }

  .footer-brand {
    grid-column: span 1;
  }

  .error-hero {
    padding: 22px 18px;
  }

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

  .error-hero h1 {
    font-size: 21px;
  }

  .related-list,
  .unsuitable-list,
  .blocker-list,
  .requirement-list,
  .acceptance-list,
  .impact-list,
  .faq-section-open .open-question-list,
  .error-list {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* --------------------------------------------------------------------------
   responsive · 390px 极窄屏兜底
   -------------------------------------------------------------------------- */
@media (max-width: 420px) {
  .column-index {
    grid-template-columns: minmax(0, 1fr);
  }

  .overview-list li {
    gap: 8px;
  }

  .overview-num {
    min-width: 42px;
    font-size: 18px;
  }

  .data-table {
    min-width: 640px;
  }
}

/* --------------------------------------------------------------------------
   增强 · 视口淡入（不影响初始可见性）
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .home-section,
  .inner-main > section,
  .direction-item,
  .timeline-item {
    animation: rise-in 0.5s ease-out both;
  }

  @keyframes rise-in {
    from {
      transform: translateY(10px);
    }
    to {
      transform: translateY(0);
    }
  }
}

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