/* ==========================================================================
   51黑料网 laixd.com — 全站样式表
   视觉方向：洁净浅底、蓝绿辅助、大量留白、医疗科普风的清晰表达
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Base — 基础变量、重置、字体、通用元素
   -------------------------------------------------------------------------- */
:root {
  --color-bg: #f5faf9;
  --color-surface: #ffffff;
  --color-text: #1f2d2d;
  --color-text-dark: #0f2a2a;
  --color-primary: #1d6f86;
  --color-primary-dark: #155768;
  --color-accent: #2f9e7d;
  --color-accent-dark: #23805f;
  --color-tint: #e2f2ef;
  --color-tint-strong: #c8e5e0;
  --color-border: #d7e5e2;
  --color-muted: #5c6f6f;
  --color-light-muted: #849494;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;

  --container-width: 1200px;
  --header-height: 72px;
  --header-height-scrolled: 56px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --shadow-card: 0 1px 3px rgba(15, 42, 42, 0.04), 0 4px 14px rgba(15, 42, 42, 0.04);
  --shadow-hover: 0 4px 10px rgba(15, 42, 42, 0.06), 0 10px 28px rgba(15, 42, 42, 0.08);
  --transition: 0.2s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

figure {
  margin: 0;
}

figcaption {
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-muted);
  margin-top: 8px;
  text-align: center;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary-dark);
}

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

ul,
ol {
  list-style-position: inside;
  padding-left: 0;
}

h1,
h2,
h3,
h4 {
  color: var(--color-text-dark);
  line-height: 1.35;
  font-weight: 600;
}

h1 {
  font-size: 34px;
  letter-spacing: 0;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 18px;
}

h4 {
  font-size: 16px;
  font-weight: 600;
}

p {
  margin-bottom: 1em;
}

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

/* --------------------------------------------------------------------------
   2. Layout — 容器、页头、页脚、面包屑、页面标题区
   -------------------------------------------------------------------------- */

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

/* ----- 页头 ----- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
  transition: height 0.2s ease, box-shadow 0.2s ease;
}

.site-header.is-scrolled {
  height: var(--header-height-scrolled);
  box-shadow: 0 2px 12px rgba(15, 42, 42, 0.06);
}

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
}

.brand-name {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text-dark);
  line-height: 1.2;
}

.brand-tagline {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.3;
  white-space: nowrap;
}

.site-nav {
  margin-left: auto;
}

.nav-list {
  display: flex;
  gap: 4px;
  list-style: none;
}

.nav-list li a {
  display: block;
  padding: 8px 14px;
  font-size: 15px;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  line-height: 1.5;
  white-space: nowrap;
}

.nav-list li a:hover {
  background-color: var(--color-tint);
  color: var(--color-primary-dark);
}

.nav-list li a.is-current {
  color: var(--color-primary);
  font-weight: 600;
  background-color: var(--color-tint);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 20px;
  background-color: var(--color-primary);
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-md);
  white-space: nowrap;
  flex-shrink: 0;
  transition: background-color var(--transition);
}

.header-cta:hover {
  background-color: var(--color-primary-dark);
  color: #fff;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  margin-left: auto;
  flex-shrink: 0;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--color-text-dark);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ----- 面包屑 ----- */
.breadcrumb {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 16px 24px 0;
  font-size: 14px;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

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

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

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

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

/* ----- 页面标题区（内页统一） ----- */
.page-header {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px 8px;
}

.page-title {
  font-size: 34px;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 12px;
}

.page-description {
  font-size: 16px;
  color: var(--color-muted);
  max-width: 780px;
  line-height: 1.8;
}

/* ----- 主内容区 ----- */
.site-main {
  min-height: 60vh;
}

.inner-main {
  padding-bottom: 72px;
}

/* ----- 页脚 ----- */
.site-footer {
  background-color: var(--color-text-dark);
  color: #b8c9c7;
  padding: 56px 0 0;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer-col h3 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 14px;
}

.footer-about p {
  font-size: 14px;
  color: #9aadaa;
  line-height: 1.7;
  margin-top: 6px;
}

.footer-col ul {
  list-style: none;
}

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

.footer-col ul li a {
  color: #b8c9c7;
  font-size: 14px;
  line-height: 1.6;
}

.footer-col ul li a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 48px;
  padding: 20px 24px;
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  font-size: 13px;
  color: #849494;
}

/* --------------------------------------------------------------------------
   3. Components — 按钮、卡片、列表、FAQ、表格、工具类
   -------------------------------------------------------------------------- */

/* ----- 按钮 ----- */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-size: 16px;
  font-weight: 500;
  border-radius: var(--radius-md);
  cursor: pointer;
  white-space: nowrap;
  min-height: 44px;
  transition: background-color var(--transition), border-color var(--transition), color var(--transition);
}

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

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

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-tint);
  border-color: var(--color-primary-dark);
  color: var(--color-primary-dark);
}

/* ----- 文本链接 ----- */
.text-link {
  display: inline-block;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.text-link:hover {
  color: var(--color-primary-dark);
  text-decoration-color: currentColor;
}

/* ----- section 标题 ----- */
.section-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: 16px;
}

.section-intro {
  font-size: 16px;
  color: var(--color-muted);
  max-width: 720px;
  margin-bottom: 24px;
}

/* ----- 媒体图片容器 ----- */
figure img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
}

.content-media {
  margin: 0;
}

.content-media img {
  width: 100%;
  object-fit: cover;
}

.content-media-primary {
  margin-top: 24px;
}

.content-media-inline {
  margin: 0 0 24px;
}

/* ----- FAQ 手风琴 ----- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  overflow: hidden;
}

.faq-item summary {
  padding: 18px 20px;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text-dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: background-color var(--transition);
}

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

.faq-item summary::after {
  content: "+";
  font-size: 22px;
  font-weight: 400;
  color: var(--color-primary);
  flex-shrink: 0;
  line-height: 1;
  transition: transform var(--transition);
}

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

.faq-item[open] summary {
  background-color: var(--color-tint);
}

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

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

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

/* ----- 表格 ----- */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--color-surface);
  font-size: 15px;
  min-width: 640px;
}

th,
td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

thead th {
  background-color: var(--color-tint);
  font-weight: 600;
  color: var(--color-text-dark);
  white-space: nowrap;
}

tbody tr:last-child th,
tbody tr:last-child td {
  border-bottom: none;
}

tbody th {
  font-weight: 600;
  color: var(--color-text-dark);
  white-space: nowrap;
}

/* ----- 通用卡片阴影 ----- */
.section-card,
.boundary-card,
.service-card,
.term-card,
.entry-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

/* --------------------------------------------------------------------------
   4. Pages — 首页各模块
   -------------------------------------------------------------------------- */

/* ----- 首屏 hero ----- */
.hero-block {
  padding: 56px 0 32px;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-text h1 {
  font-size: 36px;
  line-height: 1.4;
  margin-bottom: 20px;
  max-width: 560px;
}

.hero-lead {
  font-size: 17px;
  color: var(--color-muted);
  line-height: 1.9;
  margin-bottom: 28px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-media {
  margin: 0;
}

.hero-media img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hover);
}

/* ----- 两类问题对照条 ----- */
.comparison-bar {
  padding: 48px 0;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.comparison-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.comparison-card h3 {
  font-size: 18px;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-tint);
}

.comparison-card p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.8;
  margin: 0;
}

.comparison-card.concern h3 {
  border-bottom-color: var(--color-tint-strong);
}

.comparison-card.service-view h3 {
  border-bottom-color: var(--color-accent);
}

/* ----- 服务方向索引 ----- */
.services-index {
  padding: 48px 0;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.service-card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.service-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.service-card h3 {
  font-size: 17px;
  margin-bottom: 10px;
}

.service-card p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.75;
  margin-bottom: 16px;
  flex-grow: 1;
}

.service-card a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.section-footnote {
  margin-top: 24px;
  font-size: 14px;
  color: var(--color-muted);
}

/* ----- 执行流程预览 ----- */
.process-preview {
  padding: 48px 0;
}

.process-strip {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  counter-reset: step-counter;
}

.process-strip li {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  position: relative;
  counter-increment: step-counter;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
}

.process-strip li h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.process-strip li p {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.65;
  margin: 0;
}

.process-preview .text-link {
  margin-top: 20px;
}

/* ----- 工作方法简介 ----- */
.method-intro {
  padding: 48px 0;
  background-color: var(--color-tint);
}

.method-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
}

.method-text h2 {
  margin-bottom: 16px;
}

.method-text p {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.85;
  margin-bottom: 14px;
}

.method-text .text-link {
  margin-top: 8px;
}

.method-list {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 24px;
}

.method-list h3 {
  font-size: 16px;
  margin-bottom: 14px;
}

.method-list ul {
  list-style: none;
}

.method-list li {
  padding: 10px 0;
  border-bottom: 1px dashed var(--color-border);
  font-size: 15px;
}

.method-list li:last-child {
  border-bottom: none;
}

.method-list li strong {
  display: block;
  color: var(--color-text-dark);
  font-weight: 600;
}

.method-list li {
  color: var(--color-muted);
  line-height: 1.6;
}

/* ----- 价值边界卡 ----- */
.boundary-card {
  margin: 48px auto;
  padding: 32px;
}

.boundary-card > h2 {
  margin-bottom: 20px;
}

.boundary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.boundary-col h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.boundary-col ul {
  list-style: none;
}

.boundary-col li {
  padding: 6px 0;
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.7;
  position: relative;
  padding-left: 18px;
}

.boundary-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

.boundary-card > .text-link {
  margin-top: 20px;
}

/* ----- FAQ 预览 ----- */
.faq-preview {
  padding: 48px 0;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.faq-preview .faq-list {
  gap: 10px;
}

.faq-preview .text-link {
  margin-top: 20px;
}

/* ----- 合作入口区 ----- */
.contact-entry {
  padding: 56px 0;
}

.contact-entry-inner {
  background-color: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 48px;
  color: #fff;
}

.contact-entry-inner h2 {
  color: #fff;
  margin-bottom: 12px;
}

.contact-entry-inner p {
  color: rgba(255, 255, 255, 0.88);
  font-size: 16px;
  margin-bottom: 24px;
  max-width: 640px;
}

.entry-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

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

.contact-entry-inner .btn-primary:hover {
  background-color: var(--color-tint);
  border-color: var(--color-tint);
}

.contact-entry-inner .btn-secondary {
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
}

.contact-entry-inner .btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  color: #fff;
}

/* --------------------------------------------------------------------------
   5. Pages — 服务方向页 (services)
   -------------------------------------------------------------------------- */

.intro {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px 8px;
  max-width: 800px;
}

.intro p {
  font-size: 16px;
  color: var(--color-muted);
}

.service-block-list {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px;
}

.service-block-list > .section-title {
  margin-bottom: 24px;
}

.service-block {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 32px;
  align-items: center;
  margin-bottom: 48px;
}

.service-media {
  margin: 0;
}

.service-media figure {
  margin: 0;
}

.service-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.service-content h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.service-content > p {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.85;
  margin-bottom: 16px;
}

.applicable-list {
  background-color: var(--color-tint);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 16px;
}

.applicable-list h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 6px;
}

.applicable-list ul {
  list-style: none;
}

.applicable-list li {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.7;
  padding: 3px 0;
  position: relative;
  padding-left: 16px;
}

.applicable-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

.service-content > a {
  font-size: 14px;
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 图文交替 */
.service-block:nth-child(even) {
  grid-template-columns: 1.15fr 0.85fr;
}

.service-block:nth-child(even) .service-media {
  order: 2;
}

.service-block:nth-child(even) .service-content {
  order: 1;
}

/* ----- 服务边界摘要 ----- */
.service-boundary-summary {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px;
}

.service-boundary-summary > ul {
  list-style: none;
  max-width: 760px;
}

.service-boundary-summary li {
  padding: 6px 0;
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.7;
  position: relative;
  padding-left: 20px;
}

.service-boundary-summary li::before {
  content: "×";
  position: absolute;
  left: 0;
  top: 6px;
  color: var(--color-primary);
  font-weight: 600;
}

.service-boundary-summary p {
  margin-top: 16px;
  font-size: 14px;
  color: var(--color-muted);
}

/* ----- 站内引导 ----- */
.inner-nav {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px;
  max-width: 760px;
}

.inner-nav ul {
  list-style: none;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.inner-nav li a {
  display: inline-block;
  padding: 8px 18px;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 500;
  background-color: var(--color-surface);
}

.inner-nav li a:hover {
  background-color: var(--color-primary);
  color: #fff;
}

/* --------------------------------------------------------------------------
   6. Pages — 执行流程页 (process)
   -------------------------------------------------------------------------- */

.process-overview-block {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px;
}

.process-timeline {
  position: relative;
  margin-bottom: 32px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 20px;
  padding: 0 0 28px;
  position: relative;
}

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

.timeline-marker {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--color-primary);
  border: 4px solid var(--color-tint-strong);
  margin-top: 4px;
}

.timeline-content h3 {
  font-size: 18px;
  margin-bottom: 6px;
}

.timeline-content p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.75;
  margin: 0;
}

.timeline-item:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 36px;
  bottom: 0;
  width: 2px;
  background-color: var(--color-tint-strong);
}

.timeline-figure {
  margin: 0 0 32px;
}

.timeline-figure img {
  width: 100%;
  max-height: 320px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

/* ----- 各阶段说明 ----- */
.phase-detail-block {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px;
}

.phase-pair {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 20px;
}

.phase-pair > h3 {
  font-size: 18px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.phase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.phase-do,
.phase-client {
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 20px;
}

.phase-do h4,
.phase-client h4 {
  font-size: 15px;
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--color-border);
}

.phase-do h4 {
  color: var(--color-primary);
}

.phase-client h4 {
  color: var(--color-accent-dark);
}

.phase-do ul,
.phase-client ul {
  list-style: none;
}

.phase-do li,
.phase-client li {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.7;
  padding: 4px 0;
  position: relative;
  padding-left: 16px;
}

.phase-do li::before,
.phase-client li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
}

.phase-do li::before {
  background-color: var(--color-primary);
}

.phase-client li::before {
  background-color: var(--color-accent);
}

/* ----- 流程分工提示 ----- */
.phase-tip {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px 24px;
}

.phase-tip p {
  background-color: var(--color-tint);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text);
}

.phase-tip strong {
  color: var(--color-primary-dark);
}

/* ----- 下一步入口 ----- */
.next-entry {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px;
}

.next-entry h2 {
  margin-bottom: 8px;
}

.next-entry p {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.next-entry a {
  display: inline-block;
  margin-right: 12px;
  margin-bottom: 8px;
}

/* ----- 相关内容导航（process 页） ----- */
.related-links {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 14px;
}

.related-links-label {
  color: var(--color-muted);
}

.related-links-item {
  color: var(--color-primary);
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  font-size: 14px;
}

.related-links-item:hover {
  border-color: var(--color-primary);
  background-color: var(--color-tint);
}

/* --------------------------------------------------------------------------
   7. Pages — 工作方法页 (approach)
   -------------------------------------------------------------------------- */

.core-method-intro {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px;
}

.core-method-intro .text-block {
  max-width: 760px;
}

.text-block p {
  font-size: 16px;
  color: var(--color-text);
  line-height: 1.9;
  margin-bottom: 14px;
}

/* ----- 信息状态分级 ----- */
.level-figure {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px;
}

.level-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: start;
}

.level-media {
  margin: 0;
}

.level-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.level-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.level-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 18px 20px;
}

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

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

/* ----- 回应策略对照表 ----- */
.strategy-table {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px;
}

.strategy-table .table-wrap {
  margin-top: 16px;
}

/* ----- 补充说明 ----- */
.tip-box {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px;
}

.tip-content {
  background-color: var(--color-tint);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.tip-content h2 {
  font-size: 20px;
  margin-bottom: 10px;
}

.tip-content p {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.85;
  margin-bottom: 14px;
}

.tip-content a {
  display: inline-block;
  margin-right: 16px;
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ----- 更多相关内容 ----- */
.related-links {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px;
}

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

.related-card {
  display: block;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: box-shadow var(--transition), border-color var(--transition);
  min-height: 0;
}

.related-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-hover);
}

.related-card h3 {
  font-size: 16px;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.related-card p {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.65;
  margin: 0;
}

/* --------------------------------------------------------------------------
   8. Pages — 价值边界页 (cost)
   -------------------------------------------------------------------------- */

.section-card {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px;
  margin-bottom: 24px;
}

.section-heading h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.section-heading p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.8;
  max-width: 720px;
}

/* ----- 不做什么边界卡 ----- */
.not-do-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 20px;
}

.not-do-item {
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  border: 1px solid var(--color-border);
}

.not-do-item h3 {
  font-size: 15px;
  color: var(--color-primary-dark);
  margin-bottom: 6px;
}

.not-do-item p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  margin: 0;
}

/* ----- 成本影响因素 ----- */
.cost-factors-section {
  padding: 0;
  overflow: hidden;
}

.cost-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 0;
}

.cost-content {
  padding: 32px;
}

.factor-list {
  list-style: none;
  margin-top: 20px;
}

.factor-item {
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
}

.factor-item:last-child {
  border-bottom: none;
}

.factor-item h3 {
  font-size: 15px;
  color: var(--color-text-dark);
  margin-bottom: 4px;
}

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

.cost-figure {
  margin: 0;
  background-color: var(--color-tint);
  display: flex;
  flex-direction: column;
}

.cost-figure img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
  border-radius: 0;
}

.cost-figure figcaption {
  padding: 12px 16px;
  background-color: var(--color-tint);
  border-radius: 0;
}

/* ----- 询价前须知 ----- */
.process-note-section {
  padding: 0;
}

.note-box {
  padding: 32px;
  background-color: var(--color-tint);
  border-radius: var(--radius-lg);
}

.note-box h2 {
  font-size: 20px;
  margin-bottom: 10px;
}

.note-box p {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.85;
  margin-bottom: 12px;
}

.note-box a {
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
  margin-right: 16px;
}

/* ----- 合作沟通入口 ----- */
.inner-entry-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px;
}

.inner-entry-section .section-title {
  margin-bottom: 20px;
}

.entry-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.entry-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.entry-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-hover);
}

.entry-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 6px;
}

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

/* cost 页 related-links 不需要边框按钮化，保持统一但不重复定义 */

/* --------------------------------------------------------------------------
   9. Pages — 常见问题页 (faq)
   -------------------------------------------------------------------------- */

.faq-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 20px 24px;
}

.faq-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}

.faq-next {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px;
}

.faq-next p {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 12px;
}

.faq-next > a {
  display: inline-block;
  margin-right: 16px;
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.faq-nav-links {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.faq-nav-links a {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  font-size: 14px;
  color: var(--color-primary);
}

.faq-nav-links a:hover {
  border-color: var(--color-primary);
  background-color: var(--color-tint);
}

/* --------------------------------------------------------------------------
   10. Pages — 术语索引页 (terminology)
   -------------------------------------------------------------------------- */

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

.term-intro .section-title {
  margin-bottom: 16px;
}

.term-intro-content {
  max-width: 760px;
}

.term-intro-content p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.85;
  margin-bottom: 12px;
}

.term-group {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 16px 24px;
}

.term-group .section-title {
  margin-bottom: 8px;
}

.group-desc {
  font-size: 15px;
  color: var(--color-muted);
  max-width: 720px;
  margin-bottom: 20px;
}

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

.term-card {
  padding: 22px;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.term-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-hover);
}

.term-name {
  font-size: 17px;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.term-def {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.75;
  margin-bottom: 10px;
}

.term-usage {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.7;
  border-top: 1px dashed var(--color-border);
  padding-top: 8px;
  margin: 0;
}

.term-usage strong {
  color: var(--color-text-dark);
  font-weight: 600;
}

.term-related {
  font-size: 13px;
  color: var(--color-muted);
  border-top: 1px dashed var(--color-border);
  padding-top: 8px;
  margin: 0;
}

.term-related a {
  margin-right: 8px;
}

/* ----- 相关内容入口 ----- */
.related-link {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px;
}

.related-link-content {
  background-color: var(--color-tint);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.related-link-content p {
  font-size: 15px;
  color: var(--color-text);
  margin-bottom: 16px;
}

.related-link-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.related-link-item {
  display: block;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.related-link-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-hover);
}

.related-link-name {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.related-link-desc {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   11. Pages — 合作入口页 (contact)
   -------------------------------------------------------------------------- */

.page-layout {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

.contact-ready,
.contact-need {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.contact-ready h2,
.contact-need h2 {
  font-size: 20px;
  margin-bottom: 8px;
}

.contact-ready > p,
.contact-need > p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.ready-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ready-item {
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  border-left: 3px solid var(--color-accent);
}

.ready-item h3 {
  font-size: 15px;
  margin-bottom: 4px;
}

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

.need-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.need-item {
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  border-left: 3px solid var(--color-primary);
}

.need-item h3 {
  font-size: 15px;
  margin-bottom: 4px;
}

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

.contact-process-info {
  grid-column: 1 / -1;
  background-color: var(--color-tint);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
}

.contact-process-info h2 {
  font-size: 18px;
  margin-bottom: 8px;
}

.contact-process-info p {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 4px;
}

.contact-aside {
  grid-column: 1 / -1;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
}

.contact-aside h2 {
  font-size: 18px;
  margin-bottom: 12px;
}

.contact-aside ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.contact-aside li a {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg);
  font-size: 14px;
  color: var(--color-primary);
}

.contact-aside li a:hover {
  border-color: var(--color-primary);
  background-color: var(--color-tint);
}

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

.contact-figure img {
  width: 100%;
  max-height: 280px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

/* --------------------------------------------------------------------------
   12. Pages — 404 错误页
   -------------------------------------------------------------------------- */

.error-main {
  min-height: calc(100vh - var(--header-height) - 240px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
}

.error-panel {
  text-align: center;
  max-width: 560px;
}

.error-code {
  font-size: 72px;
  font-weight: 700;
  color: var(--color-tint-strong);
  line-height: 1;
  margin-bottom: 8px;
}

.error-panel h1 {
  font-size: 28px;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 16px;
  color: var(--color-muted);
  margin-bottom: 24px;
}

.error-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.error-help {
  font-size: 14px;
  color: var(--color-muted);
}

.error-help a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* --------------------------------------------------------------------------
   13. Responsive — 响应式断点
   -------------------------------------------------------------------------- */

/* 1024px 以下：整体收紧 */
@media (max-width: 1024px) {
  .service-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-strip {
    grid-template-columns: repeat(5, 1fr);
    overflow-x: auto;
    padding-bottom: 8px;
  }

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

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

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

  .cost-layout {
    grid-template-columns: 1fr;
  }

  .cost-figure img {
    max-height: 220px;
    min-height: 0;
  }
}

/* 900px 以下：导航收起为汉堡，双栏转单栏 */
@media (max-width: 900px) {
  .header-inner {
    gap: 12px;
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    order: 3;
    flex-basis: 100%;
    margin-left: 0;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    gap: 0;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 8px;
    width: 100%;
    margin-top: 8px;
    box-shadow: var(--shadow-card);
  }

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

  .nav-list li a {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 16px;
  }

  .header-cta {
    margin-left: auto;
    padding: 8px 16px;
    font-size: 14px;
  }

  .brand-tagline {
    display: none;
  }

  /* 首页 */
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-text h1 {
    font-size: 30px;
  }

  .comparison-grid {
    grid-template-columns: 1fr;
  }

  .method-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .boundary-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* 服务页 */
  .service-block,
  .service-block:nth-child(even) {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .service-block:nth-child(even) .service-media {
    order: 0;
  }

  .service-block:nth-child(even) .service-content {
    order: 1;
  }

  /* 流程页 */
  .phase-grid {
    grid-template-columns: 1fr;
  }

  /* 方法页 */
  .level-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  /* 价值边界页 */
  .not-do-list {
    grid-template-columns: 1fr;
  }

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

  /* 术语页 */
  .term-grid {
    grid-template-columns: 1fr;
  }

  .related-link-list {
    grid-template-columns: 1fr;
  }

  /* 合作页 */
  .page-layout {
    grid-template-columns: 1fr;
  }

  .contact-process-info,
  .contact-aside {
    grid-column: 1;
  }

  /* 404 */
  .error-code {
    font-size: 56px;
  }
}

/* 768px 以下：页脚折叠，进一步收紧 */
@media (max-width: 768px) {
  h1 {
    font-size: 26px;
  }

  h2 {
    font-size: 20px;
  }

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

  .container,
  .header-inner,
  .footer-inner,
  .breadcrumb,
  .page-header {
    padding-left: 16px;
    padding-right: 16px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .footer-col {
    margin-bottom: 24px;
  }

  .footer-bottom {
    padding-left: 16px;
    padding-right: 16px;
  }

  /* 首页 */
  .hero-block {
    padding: 32px 0 24px;
  }

  .hero-text h1 {
    font-size: 26px;
  }

  .hero-actions,
  .entry-actions {
    flex-direction: column;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
  }

  .contact-entry-inner {
    padding: 32px 24px;
  }

  .service-card-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .process-strip {
    grid-template-columns: 1fr;
    overflow: visible;
    gap: 12px;
  }

  .process-strip li {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 12px;
    align-items: start;
  }

  .step-num {
    margin-bottom: 0;
    grid-row: span 2;
  }

  .process-strip li h3 {
    margin-bottom: 4px;
  }

  .process-strip li p {
    grid-column: 2;
  }

  .boundary-card {
    padding: 24px 20px;
  }

  .faq-item summary {
    padding: 14px 16px;
    font-size: 15px;
  }

  .faq-answer {
    padding: 0 16px 14px;
  }

  /* 内页标题 */
  .page-header {
    padding-top: 24px;
  }

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

  /* 服务页 */
  .service-block {
    grid-template-columns: 1fr;
    padding-bottom: 32px;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--color-border);
  }

  .service-block:last-child {
    border-bottom: none;
  }

  /* 流程页 */
  .phase-pair {
    padding: 20px;
  }

  .phase-do,
  .phase-client {
    padding: 16px;
  }

  /* 方法页 */
  .section-card {
    padding: 24px 20px;
  }

  .table-wrap {
    margin: 0 -16px;
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  .tip-content {
    padding: 20px;
  }

  .link-grid {
    grid-template-columns: 1fr;
  }

  /* 术语 */
  .term-intro-content p {
    font-size: 15px;
  }

  .term-card {
    padding: 18px;
  }

  /* 联系 */
  .contact-ready,
  .contact-need {
    padding: 20px;
  }

  .contact-process-info,
  .contact-aside {
    padding: 20px;
  }

  /* 404 */
  .error-main {
    min-height: 50vh;
    padding: 32px 16px;
  }

  .error-code {
    font-size: 48px;
  }
}

/* 480px 以下：最小屏微调 */
@media (max-width: 480px) {
  body {
    font-size: 15px;
  }

  .brand-name {
    font-size: 19px;
  }

  .header-inner {
    padding-left: 12px;
    padding-right: 12px;
  }

  .header-cta {
    padding: 8px 12px;
    font-size: 13px;
  }

  .nav-toggle {
    width: 40px;
    height: 40px;
  }

  .hero-text h1 {
    font-size: 23px;
  }

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

  .comparison-card,
  .service-card,
  .boundary-card,
  .phase-pair {
    padding: 18px 16px;
  }

  .phase-grid {
    gap: 14px;
  }

  .phase-do,
  .phase-client {
    padding: 14px;
  }

  .contact-entry-inner {
    padding: 24px 16px;
  }

  .contact-entry-inner h2 {
    font-size: 20px;
  }

  .footer-col h3 {
    font-size: 14px;
  }

  .footer-col ul li a {
    font-size: 13px;
  }

  .breadcrumb {
    font-size: 13px;
    padding-top: 12px;
  }

  .page-description {
    font-size: 15px;
  }

  .error-panel h1 {
    font-size: 24px;
  }

  .error-desc {
    font-size: 15px;
  }

  .section-title {
    font-size: 21px;
  }

  .related-links {
    gap: 8px;
  }

  .related-links-item {
    padding: 6px 12px;
    font-size: 13px;
  }
}

/* 打印时避免无意义背景 */
@media print {
  .site-header,
  .site-footer,
  .breadcrumb,
  .nav-toggle {
    display: none !important;
  }

  body {
    background-color: #fff;
    color: #000;
  }

  .site-main {
    padding: 0;
  }
}

/* 程序验收反馈：修复网格孤项 */
@media (min-width: 769px) {
  .term-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}