/* =========================================================
   911爆料 · sogoodpay.cn
   全站样式表
   分组：base / layout / components / pages / responsive
   ========================================================= */

/* ---------------------------------------------------------
   base · 基础变量与重置
   --------------------------------------------------------- */
:root {
  --paper: #f4f2ee;
  --ink: #1d1c1a;
  --ink-soft: #6e6a63;
  --accent: #9a3b2a;
  --rule: #d9d4cb;
  --deep: #12110f;
  --deep-text: #e8e4dd;
  --shell-max: 1120px;
  --read-max: 760px;
  --serif: "Noto Serif SC", "Songti SC", Georgia, serif;
  --sans: system-ui, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono-num: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4 {
  font-family: var(--serif);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.35;
  margin: 0;
}

p {
  margin: 0;
}

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

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
}

figure {
  margin: 0;
}

figcaption {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
  margin-top: 10px;
}

::selection {
  background: rgba(154, 59, 42, 0.16);
}

/* 无障碍跳过链接 */
.skip-link {
  position: absolute;
  left: 20px;
  top: -60px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--deep);
  color: var(--deep-text);
  font-size: 14px;
  border-radius: 4px;
  transition: top 0.18s ease;
}

.skip-link:focus {
  top: 12px;
}

/* ---------------------------------------------------------
   layout · 全站骨架：容器 / 页头 / 主导航 / 主内容 / 页脚
   --------------------------------------------------------- */
.shell {
  width: 100%;
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 0 40px;
}

.site-body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-main {
  flex: 1 1 auto;
  display: block;
}

/* 页头 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  flex: 0 0 auto;
}

.brand-mark {
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.brand-tag {
  font-size: 12px;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
}

/* 主导航 */
.primary-nav.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-list li {
  display: block;
}

.nav-list a {
  display: inline-block;
  padding: 6px 0;
  font-size: 14.5px;
  color: var(--ink-soft);
  border-bottom: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

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

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

.nav-cta {
  flex: 0 0 auto;
  font-size: 14px;
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
  transition: opacity 0.18s ease;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  opacity: 0.72;
}

/* 汉堡按钮（桌面隐藏） */
.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  margin-left: auto;
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 6px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
}

/* 页脚 */
.site-footer {
  margin-top: 72px;
  background: var(--deep);
  color: var(--deep-text);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.4fr 1fr;
  gap: 40px;
  padding-top: 56px;
  padding-bottom: 48px;
}

.footer-title {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #b8b1a6;
  margin-bottom: 14px;
}

.footer-brand .footer-name {
  font-family: var(--serif);
  font-size: 20px;
  color: #fff;
  margin-bottom: 8px;
}

.footer-slogan {
  font-size: 14px;
  line-height: 1.7;
  color: #b8b1a6;
}

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

.footer-nav a {
  font-size: 14px;
  color: var(--deep-text);
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s ease;
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
  border-bottom-color: var(--deep-text);
}

.footer-scope p {
  font-size: 13.5px;
  line-height: 1.7;
  color: #b8b1a6;
  margin-bottom: 10px;
}

.footer-policy a {
  font-size: 13.5px;
  color: var(--deep-text);
  border-bottom: 1px solid #4a463f;
}

.footer-policy a:hover,
.footer-policy a:focus-visible {
  border-bottom-color: var(--deep-text);
}

.footer-copy {
  font-size: 12.5px;
  color: #8b8579;
  margin-top: 12px;
}

.back-top {
  display: inline-block;
  margin-top: 10px;
  font-size: 13px;
  color: var(--deep-text);
  border-bottom: 1px solid #4a463f;
}

/* ---------------------------------------------------------
   components · 通用模块
   --------------------------------------------------------- */

/* 分区通用 */
.section {
  padding: 64px 0;
  border-top: 1px solid var(--rule);
}

.section:first-of-type {
  border-top: 0;
}

.section-head {
  max-width: var(--read-max);
  margin-bottom: 36px;
}

.section-label,
.section-index,
.section-num,
.page-label {
  display: inline-block;
  font-family: var(--mono-num);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: clamp(20px, 2vw, 26px);
  margin-bottom: 12px;
}

.section-lead,
.section-intro,
.section-note,
.section-desc {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

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

.section-more a {
  font-size: 14.5px;
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
}

.section-more a + a {
  margin-left: 24px;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  font-size: 15px;
  border-radius: 4px;
  border: 1px solid transparent;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

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

.btn-primary:hover,
.btn-primary:focus-visible {
  background: #83301f;
  border-color: #83301f;
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background: var(--ink);
  color: var(--paper);
}

/* 图片容器 */
.hero-figure,
.section-figure,
.page-figure {
  overflow: hidden;
  border-radius: 6px;
  background: #e6e1d8;
}

.hero-figure img,
.section-figure img,
.page-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 折叠问答 */
.faq-item {
  border-top: 1px solid var(--rule);
}

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

.faq-item summary {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 56px;
  padding: 14px 0;
  font-family: var(--serif);
  font-size: 16.5px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary::before {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--mono-num);
  font-size: 17px;
  color: var(--accent);
  width: 16px;
  text-align: center;
}

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

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

.faq-item > p,
.faq-body {
  padding: 0 0 20px 28px;
  max-width: var(--read-max);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

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

.faq-more {
  margin-top: 10px;
}

.faq-more a {
  font-size: 14px;
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
}

/* 通用行式入口 */
.entry-row {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  transition: padding-left 0.18s ease;
}

.entry-row:hover,
.entry-row:focus-visible {
  padding-left: 8px;
}

.entry-name {
  flex: 0 0 auto;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
}

.entry-desc,
.entry-text {
  flex: 1 1 auto;
  font-size: 14.5px;
  color: var(--ink-soft);
}

.entry-arrow,
.entry-link {
  flex: 0 0 auto;
  font-size: 14px;
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
}

/* 相关页面推荐 */
.related-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.related-list li {
  border-top: 1px solid var(--rule);
  padding-top: 14px;
}

.related-list a {
  display: block;
}

.related-name {
  display: block;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.related-desc {
  display: block;
  font-size: 14px;
  color: var(--ink-soft);
}

.related-title {
  font-size: clamp(20px, 2vw, 26px);
  margin-bottom: 28px;
}

/* ---------------------------------------------------------
   pages · 首页
   --------------------------------------------------------- */

/* 首屏 */
.hero {
  padding: 64px 0 56px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.hero-copy {
  max-width: 520px;
}

.hero-label {
  font-family: var(--mono-num);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 18px;
}

.hero-copy h1 {
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.28;
  margin-bottom: 20px;
}

.hero-lead {
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-figure {
  aspect-ratio: 4 / 3;
  min-height: 320px;
}

/* 三条判断结论 */
.verdict-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.verdict-item {
  border-top: 1px solid var(--rule);
  padding-top: 20px;
}

.verdict-num {
  font-family: var(--mono-num);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 12px;
}

.verdict-item h3 {
  font-size: 17px;
  margin-bottom: 12px;
}

.verdict-item p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.verdict-item p + p {
  margin-top: 8px;
}

/* 服务清单索引 */
.service-index {
  border-top: 1px solid var(--rule);
}

.service-row {
  display: grid;
  grid-template-columns: 56px 1fr 260px;
  gap: 24px;
  align-items: baseline;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
}

.service-num {
  font-family: var(--mono-num);
  font-size: 15px;
  color: var(--accent);
}

.service-body h3 {
  font-size: 18px;
  margin-bottom: 6px;
}

.service-body p {
  font-size: 14.5px;
  color: var(--ink-soft);
}

.service-out {
  font-size: 14px;
  color: var(--ink-soft);
  text-align: right;
}

.section-services .section-figure {
  margin-top: 36px;
  aspect-ratio: 16 / 7;
}

/* 证据链四段 */
.chain-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.chain-item {
  border-top: 1px solid var(--rule);
  padding-top: 18px;
}

.chain-item h3 {
  font-size: 16.5px;
  margin-bottom: 10px;
}

.chain-item > p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.chain-points li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.chain-points li + li {
  margin-top: 6px;
}

.chain-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 1px;
  background: var(--accent);
}

/* 情形分类目录 */
.situation-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 40px;
}

.situation-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
}

.situation-item h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.situation-item h3 a {
  color: var(--ink);
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.situation-item h3 a:hover,
.situation-item h3 a:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.situation-item p {
  font-size: 14px;
  color: var(--ink-soft);
}

/* 五阶段推进简表 */
.process-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.process-node {
  border-top: 2px solid var(--ink);
  padding-top: 16px;
}

.process-num {
  display: block;
  font-family: var(--mono-num);
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 10px;
}

.process-node h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.process-node p {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* 交付件形式摘要 */
.delivery-list {
  border-top: 1px solid var(--rule);
}

.delivery-row {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
}

.delivery-row h3 {
  font-size: 16.5px;
}

.delivery-row p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* 对接准备入口 */
.prepare-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.prepare-item {
  border-top: 1px solid var(--rule);
  padding-top: 18px;
}

.prepare-item h3 {
  font-size: 16.5px;
  margin-bottom: 10px;
}

.prepare-item p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.prepare-item p + p {
  margin-top: 8px;
}

.section-prepare .section-figure {
  margin-top: 36px;
  aspect-ratio: 16 / 7;
}

/* ---------------------------------------------------------
   pages · 内页骨架
   --------------------------------------------------------- */
.inner-main {
  display: block;
}

/* 面包屑 */
.breadcrumb {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 28px 40px 0;
  font-size: 13.5px;
  color: var(--ink-soft);
}

.breadcrumb a {
  color: var(--ink-soft);
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s ease, color 0.18s ease;
}

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

.breadcrumb-sep {
  margin: 0 8px;
  color: var(--rule);
}

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

/* 页面标题区 */
.page-header {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 32px 40px 0;
}

.page-title {
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.28;
  font-weight: 600;
  color: var(--ink);
}

.page-head,
.page-hero {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 24px 40px 0;
}

.page-head .page-label,
.page-hero .page-label {
  margin-bottom: 12px;
}

.page-lead,
.page-lede {
  max-width: var(--read-max);
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* 内页主题图 */
.page-figure {
  max-width: var(--shell-max);
  margin: 32px auto 0;
  padding: 0 40px;
  background: none;
  border-radius: 0;
}

.page-figure img {
  aspect-ratio: 16 / 7;
  border-radius: 6px;
}

.page-figure figcaption {
  padding: 0;
}

/* 锚点导航条 */
.anchor-nav {
  max-width: var(--shell-max);
  margin: 32px auto 0;
  padding: 0 40px;
}

.anchor-nav ul,
.anchor-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  padding: 14px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.anchor-nav a {
  font-size: 14px;
  color: var(--ink-soft);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color 0.18s ease, border-color 0.18s ease;
}

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

/* 内页 section 容器 */
.content-section,
.inner-main > .section {
  padding: 56px 0;
  border-top: 1px solid var(--rule);
}

.content-section:first-of-type,
.inner-main > .section:first-of-type {
  border-top: 0;
}

/* 相关页面推荐条 */
.related-nav,
.related-section,
.related {
  padding: 56px 0;
  border-top: 1px solid var(--rule);
}

/* ---------------------------------------------------------
   pages · 服务总览
   --------------------------------------------------------- */
.line-list {
  border-top: 1px solid var(--rule);
}

.line-row {
  display: grid;
  grid-template-columns: 56px 1fr 200px;
  gap: 24px;
  align-items: baseline;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
}

.line-num {
  font-family: var(--mono-num);
  font-size: 15px;
  color: var(--accent);
}

.line-body h3 {
  font-size: 18px;
  margin-bottom: 6px;
}

.line-body p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.line-tag {
  font-size: 13.5px;
  color: var(--ink-soft);
  text-align: right;
}

/* 适用对象与产出物对照 */
.compare-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.compare-item {
  border-top: 1px solid var(--rule);
  padding-top: 18px;
}

.compare-item h3 {
  font-size: 16.5px;
  margin-bottom: 12px;
}

.compare-item dl {
  margin: 0;
}

.compare-item dt {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 4px;
}

.compare-item dd {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

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

/* 服务边界与不承接事项 */
.boundary-list {
  counter-reset: boundary;
  border-top: 1px solid var(--rule);
}

.boundary-list li {
  counter-increment: boundary;
  position: relative;
  padding: 20px 0 20px 56px;
  border-bottom: 1px solid var(--rule);
}

.boundary-list li::before {
  content: counter(boundary, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 22px;
  font-family: var(--mono-num);
  font-size: 14px;
  color: var(--accent);
}

.boundary-list h3 {
  font-size: 16.5px;
  margin-bottom: 8px;
}

.boundary-list p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------------------------------------------------------
   pages · 议题核实
   --------------------------------------------------------- */
.situation-list {
  border-top: 1px solid var(--rule);
}

.situation-list .situation-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
}

.situation-list .situation-item h3 {
  font-size: 16.5px;
  margin-bottom: 8px;
}

.situation-list .situation-item p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.step-list {
  counter-reset: step;
  border-top: 1px solid var(--rule);
}

.step-item {
  counter-increment: step;
  position: relative;
  padding: 20px 0 20px 56px;
  border-bottom: 1px solid var(--rule);
}

.step-item::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 22px;
  font-family: var(--mono-num);
  font-size: 14px;
  color: var(--accent);
}

.step-item h3 {
  font-size: 16.5px;
  margin-bottom: 8px;
}

.step-item p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.item-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px 32px;
}

.item-card {
  border-top: 1px solid var(--rule);
  padding-top: 16px;
}

.item-card h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.item-card p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.prepare-groups {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.prepare-group h3 {
  font-size: 16.5px;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule);
}

.prepare-group li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.prepare-group li + li {
  margin-top: 6px;
}

.prepare-group li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 6px;
  height: 1px;
  background: var(--accent);
}

/* ---------------------------------------------------------
   pages · 适用情形
   --------------------------------------------------------- */
.situation-catalog {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px 40px;
}

.situation-card {
  border-top: 1px solid var(--rule);
  padding-top: 16px;
}

.situation-card h3 {
  font-size: 16.5px;
  margin-bottom: 8px;
}

.situation-card p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.situation-points {
  border-top: 1px solid var(--rule);
}

.point-row {
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
}

.point-row h3 {
  font-size: 16.5px;
  margin-bottom: 10px;
}

.point-key,
.point-action {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.point-key::before {
  content: "判断要点 · ";
  color: var(--accent);
  font-size: 13px;
}

.point-action {
  margin-top: 6px;
}

.point-action::before {
  content: "建议动作 · ";
  color: var(--accent);
  font-size: 13px;
}

.linkage-table {
  border-top: 1px solid var(--rule);
}

.linkage-row {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
}

.linkage-key {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
}

.linkage-stage {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

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

.section-tail a {
  font-size: 14.5px;
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
}

/* ---------------------------------------------------------
   pages · 合作流程
   --------------------------------------------------------- */
.stage-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.stage-node {
  border-top: 2px solid var(--ink);
  padding-top: 16px;
}

.stage-no {
  font-family: var(--mono-num);
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 10px;
}

.stage-node h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.stage-node p {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.stage-detail-list {
  border-top: 1px solid var(--rule);
}

.stage-detail {
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
}

.stage-detail h3 {
  font-size: 16.5px;
  margin-bottom: 10px;
}

.stage-input,
.stage-confirm {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.stage-confirm {
  margin-top: 6px;
}

.stage-key {
  display: inline-block;
  min-width: 76px;
  font-size: 13px;
  color: var(--accent);
}

.role-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.role-column {
  border-top: 1px solid var(--rule);
  padding-top: 18px;
}

.role-column h3 {
  font-size: 16.5px;
  margin-bottom: 10px;
}

.role-column > p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.role-points li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.role-points li + li {
  margin-top: 6px;
}

.role-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 1px;
  background: var(--accent);
}

/* ---------------------------------------------------------
   pages · 材料与交付
   --------------------------------------------------------- */
.material-groups {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px 40px;
}

.material-group h3 {
  font-size: 16.5px;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule);
}

.material-group li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.material-group li + li {
  margin-top: 6px;
}

.material-group li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 6px;
  height: 1px;
  background: var(--accent);
}

.deliverable-table {
  border-top: 1px solid var(--rule);
}

.deliverable-row {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
}

.deliverable-row h3 {
  font-size: 16px;
}

.deliverable-row p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.confirm-list {
  border-top: 1px solid var(--rule);
}

.confirm-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
}

.confirm-item h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.confirm-item p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------------------------------------------------------
   pages · 常见问题
   --------------------------------------------------------- */
.faq-group {
  border-top: 1px solid var(--rule);
}

.faq-group .faq-item:last-child {
  border-bottom: 1px solid var(--rule);
}

.next-step {
  padding: 48px 0;
}

.next-step-link {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  transition: padding-left 0.18s ease;
}

.next-step-link:hover,
.next-step-link:focus-visible {
  padding-left: 8px;
}

.next-step-label {
  flex: 0 0 auto;
  font-family: var(--mono-num);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.next-step-text {
  flex: 1 1 auto;
  font-size: 15px;
  color: var(--ink-soft);
}

.next-step-arrow {
  flex: 0 0 auto;
  font-size: 14px;
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
}

/* ---------------------------------------------------------
   pages · 404
   --------------------------------------------------------- */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 0;
}

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

.error-code {
  font-family: var(--mono-num);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin-bottom: 16px;
}

.error-inner h1 {
  font-size: clamp(26px, 3vw, 38px);
  margin-bottom: 16px;
}

.error-lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.error-hint {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 28px;
}

.error-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 32px;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 20px 0;
  margin-bottom: 28px;
}

.error-links a {
  font-size: 15px;
  color: var(--ink);
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.error-links a:hover,
.error-links a:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.error-home {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 22px;
  font-size: 15px;
  color: #fff;
  background: var(--accent);
  border-radius: 4px;
  transition: background-color 0.18s ease;
}

.error-home:hover,
.error-home:focus-visible {
  background: #83301f;
}

/* ---------------------------------------------------------
   responsive · 1024px 断点
   --------------------------------------------------------- */
@media (max-width: 1024px) {
  .shell,
  .breadcrumb,
  .page-header,
  .page-head,
  .page-hero,
  .page-figure,
  .anchor-nav {
    padding-left: 28px;
    padding-right: 28px;
  }

  .header-inner {
    gap: 18px;
  }

  .nav-list {
    gap: 16px;
  }

  .nav-list a {
    font-size: 14px;
  }

  /* 首页首屏转单列 */
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .hero-copy {
    max-width: none;
  }

  .hero-figure {
    min-height: 260px;
  }

  /* 首页多列转单列 */
  .verdict-grid,
  .chain-grid,
  .prepare-grid,
  .role-columns {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .process-strip,
  .stage-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .situation-grid,
  .situation-catalog,
  .item-grid,
  .compare-grid,
  .material-groups {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .situation-catalog,
  .item-grid,
  .compare-grid,
  .material-groups {
    gap: 24px;
  }

  .prepare-groups {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .service-row,
  .line-row {
    grid-template-columns: 44px 1fr;
    gap: 16px;
  }

  .service-out,
  .line-tag {
    grid-column: 2;
    text-align: left;
    margin-top: 6px;
  }

  .delivery-row,
  .linkage-row,
  .deliverable-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

/* ---------------------------------------------------------
   responsive · 640px 断点
   --------------------------------------------------------- */
@media (max-width: 640px) {
  body {
    font-size: 15.5px;
  }

  .shell,
  .breadcrumb,
  .page-header,
  .page-head,
  .page-hero,
  .page-figure,
  .anchor-nav {
    padding-left: 20px;
    padding-right: 20px;
  }

  /* 移动端导航：按钮显示，列表默认收起 */
  .nav-toggle {
    display: flex;
  }

  .primary-nav.site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: block;
    margin: 0;
    padding: 0 20px 20px;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    box-shadow: 0 8px 20px rgba(29, 28, 26, 0.08);
  }

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

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

  .nav-list a {
    display: flex;
    align-items: center;
    min-height: 52px;
    font-size: 16px;
    border-bottom: 1px solid var(--rule);
    border-left: 3px solid transparent;
    padding-left: 10px;
  }

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

  .nav-cta {
    display: flex;
    align-items: center;
    min-height: 52px;
    margin-top: 8px;
    font-size: 15px;
  }

  /* 首屏 */
  .hero {
    padding: 40px 0 36px;
  }

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

  .btn {
    width: 100%;
  }

  /* 分区节奏 */
  .section,
  .content-section,
  .inner-main > .section,
  .related-nav,
  .related-section,
  .related {
    padding: 40px 0;
  }

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

  .process-strip,
  .stage-strip {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .service-row,
  .line-row {
    grid-template-columns: 36px 1fr;
    gap: 12px;
    padding: 18px 0;
  }

  .boundary-list li,
  .step-item {
    padding-left: 44px;
  }

  .faq-item summary {
    font-size: 15.5px;
  }

  .faq-item > p,
  .faq-body {
    padding-left: 20px;
  }

  .entry-row,
  .next-step-link {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .section-more a + a {
    display: inline-block;
    margin-left: 0;
    margin-top: 12px;
  }

  .error-links {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-top: 40px;
    padding-bottom: 36px;
  }

  /* 移动端：常用任务入口前置 */
  .footer-tasks {
    order: -1;
  }
}

/* ---------------------------------------------------------
   responsive · 偏好减少动效
   --------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}