/* =========================================================
   unmywm.com - 每日大赛mrds 企业官网
   全站样式表
   视觉方向：双色信息风（白底、细边框、信息卡片）
   主色：#2457FF  辅色：#FFB43A
   ========================================================= */

/* ---------------------------------------------
   Base - 基础变量、重置与全局元素
   --------------------------------------------- */
:root {
  --color-bg: #F6F7FB;
  --color-surface: #FFFFFF;
  --color-text: #1A2233;
  --color-text-secondary: #5A6478;
  --color-primary: #2457FF;
  --color-primary-hover: #1A45CC;
  --color-accent: #FFB43A;
  --color-border: #E2E6F0;

  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
  --font-num: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;

  --container-width: 1160px;
  --content-width: 760px;
  --sidebar-width: 300px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-pill: 999px;

  --header-height: 68px;
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;
  --space-2xl: 96px;

  --shadow-sm: 0 1px 2px rgba(26, 34, 51, 0.04);
  --shadow-md: 0 4px 16px rgba(26, 34, 51, 0.06);
  --shadow-lg: 0 8px 32px rgba(26, 34, 51, 0.08);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text);
}

h1 {
  font-size: 32px;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 18px;
}

p {
  margin-bottom: 1em;
}

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

strong {
  font-weight: 600;
}

/* 可视隐藏（仅供屏幕阅读器） */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------------------------------------------
   Layout - 整体骨架、容器、页面布局
   --------------------------------------------- */
.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg);
}

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

.home-main {
  overflow: visible;
}

.inner-main {
  width: 100%;
  padding: var(--space-lg) 0 var(--space-2xl);
}

/* 内页统一容器 */
.layout-shell {
  width: min(var(--container-width), 100% - 48px);
  margin: 0 auto;
}

/* 主内容 + 右侧目录（默认主内容在前） */
.main-with-right-toc,
.sidebar-right {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--sidebar-width);
  gap: var(--space-lg);
  align-items: start;
}

/* 侧栏在左（需明确标记） */
.sidebar-left {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  gap: var(--space-lg);
  align-items: start;
}

/* 关于页的特殊布局：内容与目录包裹在 .content-with-toc 内 */
.narrative-with-right-toc {
  display: block;
}

.narrative-with-right-toc .content-with-toc {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--sidebar-width);
  gap: var(--space-lg);
  align-items: start;
}

/* 条款页布局 */
.legal-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--sidebar-width);
  gap: var(--space-lg);
  align-items: start;
}

/* 主内容列 */
.main-content {
  min-width: 0;
  min-height: 400px;
}

/* 侧栏统一样式 */
.aside-toc,
.sidebar-toc {
  min-width: 0;
  position: sticky;
  top: calc(var(--header-height) + 24px);
  align-self: start;
}

/* 侧栏卡片 */
.toc-card,
.toc-box,
.aside-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-sm);
  box-shadow: var(--shadow-sm);
}

.toc-heading,
.toc-title,
.aside-heading {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  padding-bottom: var(--space-xs);
  margin-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.toc-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.toc-list li {
  margin: 0;
  padding: 0;
}

.toc-list a {
  display: block;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--color-text-secondary);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.toc-list a:hover {
  background-color: var(--color-bg);
  color: var(--color-primary);
}

/* 服务页的第二个 toc-card */
.toc-card + .toc-card {
  margin-top: var(--space-sm);
}

.toc-related .toc-list a {
  font-weight: 500;
}

/* ---------------------------------------------
   Components - 通用组件（按钮、标签、卡片等）
   --------------------------------------------- */
/* 按钮 */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 28px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
  text-align: center;
}

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

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

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

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
}

/* 文本链接 */
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-primary);
  transition: gap 0.2s ease;
}

.text-link:hover {
  gap: 8px;
}

.text-link::after {
  content: "→";
  font-size: 14px;
  line-height: 1;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.breadcrumb a {
  color: var(--color-text-secondary);
  transition: color 0.2s ease;
}

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

.breadcrumb-sep {
  color: var(--color-border);
  font-size: 12px;
}

.breadcrumb-current {
  color: var(--color-text);
  font-weight: 500;
}

/* 页面标题区 */
.page-header {
  margin-bottom: var(--space-lg);
}

.page-title {
  font-size: 32px;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.page-description {
  font-size: 16px;
  color: var(--color-text-secondary);
  max-width: 640px;
  margin-bottom: 0;
}

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

.section-desc {
  font-size: 15px;
  color: var(--color-text-secondary);
  max-width: 640px;
}

/* 分类标签 */
.category-badge,
.tag-link {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  background-color: var(--color-accent);
  color: #4A3800;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.6;
  white-space: nowrap;
}

.tag-link {
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.tag-link:hover {
  background-color: #f0a200;
  color: #3a2b00;
  transform: translateY(-1px);
}

/* 编号条目（重点条目列表） */
.field-item,
.boundary-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.field-item:last-child,
.boundary-list li:last-child {
  border-bottom: none;
}

.field-num,
.boundary-number,
.step-num {
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  flex-shrink: 0;
  min-width: 28px;
}

.field-label {
  font-weight: 600;
  font-size: 15px;
  color: var(--color-text);
  flex-shrink: 0;
  min-width: 72px;
}

.field-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  flex: 1;
  min-width: 0;
}

/* FAQ 折叠 */
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  margin-bottom: var(--space-sm);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-item[open] {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: 16px 20px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  list-style: none;
  transition: color 0.2s ease;
}

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

.faq-item summary::after {
  content: "+";
  font-size: 20px;
  font-weight: 400;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

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

.faq-item p {
  padding: 0 20px 16px;
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* 相关链接卡片 */
.related-links {
  margin-top: var(--space-lg);
}

.related-card {
  display: block;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

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

.related-card-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 4px;
}

.related-card-text {
  display: block;
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.related-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

/* 图片容器 */
figure {
  margin: 0;
}

figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-md);
}

figcaption {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
  line-height: 1.6;
}

/* ---------------------------------------------
   Header - 站点头部
   --------------------------------------------- */
.site-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  width: min(var(--container-width), 100% - 48px);
  margin: 0 auto;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.brand-link {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.brand-name {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.5px;
}

.site-nav {
  display: flex;
  align-items: center;
  flex: 1;
  justify-content: center;
}

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

.nav-list li {
  margin: 0;
}

.nav-list a {
  display: block;
  padding: 8px 14px;
  font-size: 15px;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: color 0.2s ease, background-color 0.2s ease;
  position: relative;
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.2s ease;
}

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

.nav-list a:hover::after {
  transform: scaleX(1);
}

.nav-list a.is-current {
  color: var(--color-primary);
  font-weight: 500;
}

.nav-list a.is-current::after {
  transform: scaleX(1);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 20px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  flex-shrink: 0;
  transition: background-color 0.2s ease;
}

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

/* 移动端导航按钮（默认隐藏） */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 6px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  cursor: pointer;
  min-height: 44px;
  color: var(--color-text);
}

.nav-toggle-icon {
  display: block;
  width: 18px;
  height: 2px;
  background-color: var(--color-text);
  position: relative;
  transition: background-color 0.2s ease;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform 0.2s ease;
}

.nav-toggle-icon::before {
  top: -6px;
}

.nav-toggle-icon::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon {
  background-color: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before {
  transform: rotate(45deg);
  top: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
  transform: rotate(-45deg);
  top: 0;
}

.nav-toggle-text {
  font-size: 14px;
  font-weight: 500;
}

/* ---------------------------------------------
   Footer - 站点页脚
   --------------------------------------------- */
.site-footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}

.footer-inner {
  width: min(var(--container-width), 100% - 48px);
  margin: 0 auto;
  padding: var(--space-xl) 0 var(--space-lg);
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-lg);
}

.footer-brand-name {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.footer-brand-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 320px;
}

.footer-heading {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.footer-nav ul,
.footer-legal ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-nav a,
.footer-legal a {
  font-size: 14px;
  color: var(--color-text-secondary);
  transition: color 0.2s ease;
}

.footer-nav a:hover,
.footer-legal a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: var(--space-sm) 0;
}

.footer-bottom p {
  width: min(var(--container-width), 100% - 48px);
  margin: 0 auto;
  font-size: 13px;
  color: var(--color-text-secondary);
  text-align: center;
}

/* ---------------------------------------------
   Pages - 首页
   --------------------------------------------- */
/* Hero 区 */
.hero-section {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-2xl) 0;
}

.hero-section {
  width: min(var(--container-width), 100% - 48px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: var(--space-xl);
  align-items: center;
}

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

.hero-title {
  font-size: 34px;
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.hero-lead {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  max-width: 480px;
  margin-bottom: var(--space-md);
}

.hero-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.hero-figure {
  margin: 0;
}

.hero-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

/* 服务能力预览 */
.service-preview {
  width: min(var(--container-width), 100% - 48px);
  margin: 0 auto;
  padding: var(--space-2xl) 0;
}

.section-heading {
  margin-bottom: var(--space-lg);
}

.service-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.service-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

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

.service-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-xs);
}

.card-tag {
  align-self: flex-start;
  font-size: 12px;
  font-weight: 600;
  color: #4A3800;
  background-color: var(--color-accent);
  padding: 2px 10px;
  border-radius: var(--radius-pill);
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
}

.card-text {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  flex: 1;
}

.card-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
}

/* 作品分类预览 */
.archive-preview {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-2xl) 0;
}

.archive-preview {
  width: min(var(--container-width), 100% - 48px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

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

.archive-copy .text-link {
  margin-top: var(--space-sm);
}

.archive-fields {
  min-width: 0;
}

/* 流程条 */
.process-bar {
  width: min(var(--container-width), 100% - 48px);
  margin: 0 auto;
  padding: var(--space-2xl) 0;
}

.process-bar .process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.process-step {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  position: relative;
}

.process-step .step-num {
  font-family: var(--font-num);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--space-xs);
}

.process-step .step-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.process-step .step-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.process-bar .text-link {
  margin-top: var(--space-sm);
}

/* FAQ 预览 */
.faq-preview {
  width: min(var(--container-width), 100% - 48px);
  margin: 0 auto;
  padding: 0 0 var(--space-2xl);
}

.faq-preview .faq-list {
  margin: var(--space-lg) 0;
  max-width: 760px;
}

.faq-preview .text-link {
  margin-top: var(--space-sm);
}

/* 合作方式 CTA 横幅 */
.cooperation-band {
  background-color: var(--color-text);
  padding: var(--space-xl) 0;
}

.band-content {
  width: min(var(--container-width), 100% - 48px);
  margin: 0 auto;
  text-align: center;
  padding: var(--space-lg) 0;
}

.band-title {
  font-size: 26px;
  font-weight: 600;
  color: #fff;
  margin-bottom: var(--space-sm);
}

.band-text {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
  max-width: 560px;
  margin: 0 auto var(--space-md);
}

.cooperation-band .btn-primary {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #3A2B00;
}

.cooperation-band .btn-primary:hover {
  background-color: #f0a200;
  border-color: #f0a200;
}

/* 相关链接（首页底部） */
.related-links {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  padding: var(--space-md) 0;
}

.related-links-label {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.related-links-item {
  font-size: 14px;
  font-weight: 500;
}

/* ---------------------------------------------
   Pages - 作品档案（works）
   --------------------------------------------- */
.works-category-nav {
  margin-bottom: var(--space-xl);
}

.works-category-nav .section-desc {
  margin-bottom: var(--space-sm);
}

.category-tag-list {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.works-category-panels {
  margin-bottom: var(--space-xl);
}

.category-panel {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
}

.panel-head {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.panel-title {
  font-size: 20px;
  font-weight: 600;
}

.category-panel > p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-sm);
}

.deliverable-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.deliverable-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.6;
  padding-left: 20px;
  position: relative;
}

.deliverable-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 600;
}

/* 归档字段 */
.archive-fields {
  margin-bottom: var(--space-lg);
}

.archive-fields .section-desc {
  margin-bottom: var(--space-md);
}

.archive-field-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.archive-field-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.field-index {
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  display: block;
  margin-bottom: 4px;
}

.field-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.archive-field-card .field-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.archive-figure {
  margin-top: var(--space-md);
}

.archive-figure img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.archive-figure figcaption {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

/* works 页相关链接 */
.related-links .related-card {
  display: block;
}

.related-links .related-card + .related-card {
  margin-top: var(--space-sm);
}

/* ---------------------------------------------
   Pages - 服务能力（service）
   --------------------------------------------- */
.service-matrix {
  margin-bottom: var(--space-xl);
}

.service-matrix .section-desc {
  margin-bottom: var(--space-md);
}

.service-matrix-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.service-matrix-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: border-color 0.2s ease;
}

.service-matrix-item:hover {
  border-color: var(--color-primary);
}

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

.service-matrix-text h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.service-matrix-text p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-xs);
}

.category-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: #4A3800;
  background-color: var(--color-accent);
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  margin-top: 4px;
}

.scene-label {
  display: inline-block;
  font-size: 12px;
  color: var(--color-text-secondary);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 2px 10px;
  margin-top: 6px;
  margin-right: 6px;
}

.service-process-figure {
  margin-top: var(--space-md);
}

.service-process-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.service-process-figure figcaption {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

/* 交付物清单 */
.deliverables-list {
  margin-bottom: var(--space-xl);
}

.deliverables-list > .section-desc {
  margin-bottom: var(--space-md);
}

.deliverables-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.deliverables-grid li {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.5;
  display: flex;
  align-items: center;
  gap: 8px;
}

.deliverables-grid li::before {
  content: "·";
  color: var(--color-primary);
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
}

/* 服务边界 */
.boundary-notes {
  margin-bottom: var(--space-lg);
}

.boundary-notes > .section-desc {
  margin-bottom: var(--space-md);
}

.boundary-list {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0 var(--space-md);
}

.boundary-list .boundary-number {
  font-family: var(--font-num);
  color: var(--color-accent);
}

.boundary-list p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin: 0;
}

/* service 页相关链接 */
.service-related-links {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.service-related-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  transition: border-color 0.2s ease;
}

.service-related-links a:hover {
  border-color: var(--color-primary);
}

/* ---------------------------------------------
   Pages - 合作方式（cooperation）
   --------------------------------------------- */
.process-steps {
  margin-bottom: var(--space-xl);
}

.process-steps .section-desc,
.process-steps .section-intro {
  margin-bottom: var(--space-md);
}

.process-step-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.process-step-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.step-number {
  font-family: var(--font-num);
  font-size: 22px;
  font-weight: 600;
  color: var(--color-accent);
  flex-shrink: 0;
  min-width: 48px;
  line-height: 1.2;
}

.step-content {
  min-width: 0;
  flex: 1;
}

.step-content h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
}

.step-content p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 4px;
}

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

.process-figure {
  margin-top: var(--space-md);
}

.process-figure img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.process-figure figcaption {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

/* 需求资料清单 */
.materials-checklist {
  margin-bottom: var(--space-xl);
}

.materials-checklist .section-desc,
.materials-checklist .section-intro {
  margin-bottom: var(--space-md);
}

.checklist {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
}

.check-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  margin-top: 2px;
  position: relative;
}

.check-icon::after {
  content: "✓";
  font-size: 12px;
  color: var(--color-primary);
  font-weight: 700;
}

.check-content {
  min-width: 0;
  flex: 1;
}

.check-content strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 2px;
}

.check-content span {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* 项目启动补充说明 */
.start-notes {
  margin-bottom: var(--space-xl);
}

.start-notes .section-desc {
  margin-bottom: var(--space-md);
}

.note-block {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-sm);
}

.note-block h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.note-block p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* cooperation 页相关卡片 */
.related-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.related-card-grid .related-card {
  display: block;
}

/* cooperation 侧栏 */
.aside-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-sm);
}

.aside-heading {
  font-size: 15px;
  font-weight: 600;
  padding-bottom: var(--space-xs);
  margin-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.aside-link-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.aside-link-list li {
  margin: 0;
}

.aside-link-list a {
  display: block;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--color-text-secondary);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.aside-link-list a:hover {
  background-color: var(--color-bg);
  color: var(--color-primary);
}

/* ---------------------------------------------
   Pages - 常见问题（faq）
   --------------------------------------------- */
.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-lg);
}

.faq-content {
  max-width: 820px;
}

.faq-topic {
  margin-bottom: var(--space-xl);
}

.faq-topic > h2 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
}

.faq-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

/* 仍有疑问指引 */
.help-note {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-top: var(--space-lg);
}

.help-note-image {
  width: 200px;
  height: 120px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.help-note-body {
  min-width: 0;
}

.help-note-body h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
}

.help-note-body p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 4px;
}

.help-note-body a {
  font-weight: 500;
}

/* ---------------------------------------------
   Pages - 隐私说明 / 条款 / 辅助功能（legal）
   --------------------------------------------- */
.content-section,
.legal-section {
  margin-bottom: var(--space-xl);
}

.content-section h2,
.legal-section h2 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
}

.content-section > p,
.legal-section > p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-sm);
}

.info-block {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-sm);
}

.info-block h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.info-block p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 0;
}

/* 隐私页的边界列表 */
.boundary-list {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0 var(--space-md);
  margin-bottom: var(--space-sm);
}

.boundary-list li {
  padding: var(--space-sm) 0;
}

.boundary-list strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.boundary-list li {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.content-figure {
  margin-top: var(--space-md);
}

.content-figure img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.content-figure figcaption {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

/* 条款页列表 */
.legal-list {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0 var(--space-md);
  margin-bottom: var(--space-sm);
}

.legal-list li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

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

.legal-list strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.legal-figure {
  margin: var(--space-md) 0;
}

.legal-figure img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.legal-figure figcaption {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

.legal-note {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-top: var(--space-lg);
}

.legal-note h2 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  border-bottom: none;
  padding-bottom: 0;
}

.legal-note p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* 辅助功能页 */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin: var(--space-sm) 0;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  padding-left: 20px;
  position: relative;
}

.feature-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

/* 辅助功能页相关指引 */
.related-note {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-top: var(--space-lg);
}

.related-note p {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.related-note a {
  font-weight: 500;
}

/* ---------------------------------------------
   Pages - 关于我们（about）
   --------------------------------------------- */
.about-section {
  margin-bottom: var(--space-xl);
}

.about-section h2 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
}

.about-section > p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-sm);
}

.about-section > p a {
  font-weight: 500;
}

/* 工作原则卡片 */
.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.principle-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

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

.principle-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.principle-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 0;
}

/* 创作手记 */
.notes-intro {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.notes-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.note-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.note-number {
  font-family: var(--font-num);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-accent);
  flex-shrink: 0;
  min-width: 32px;
}

.note-content {
  min-width: 0;
  flex: 1;
}

.note-content h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.note-content p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 0;
}

.about-figure {
  margin-top: var(--space-md);
}

.about-figure img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.about-figure figcaption {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

/* about 页相关链接 */
.about-related {
  margin-top: var(--space-lg);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.related-grid .related-card {
  display: block;
}

/* about 页目录 */
.toc-box {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.toc-title {
  font-size: 15px;
  font-weight: 600;
  padding-bottom: var(--space-xs);
  margin-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

/* ---------------------------------------------
   Pages - 404
   --------------------------------------------- */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: var(--space-2xl) var(--space-md);
}

.error-content {
  text-align: center;
  max-width: 480px;
}

.error-code {
  font-family: var(--font-num);
  font-size: 80px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.error-content h1 {
  font-size: 24px;
  margin-bottom: var(--space-sm);
}

.error-desc {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-sm);
}

.error-home-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 28px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary);
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  transition: background-color 0.2s ease;
}

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

/* ---------------------------------------------
   Responsive - 响应式
   --------------------------------------------- */
/* 平板 */
@media (max-width: 1024px) {
  .layout-shell,
  .header-inner,
  .footer-inner,
  .hero-section,
  .service-preview,
  .archive-preview,
  .process-bar,
  .faq-preview,
  .band-content,
  .footer-bottom p {
    width: min(100% - 32px, 960px);
  }

  .main-with-right-toc,
  .sidebar-right,
  .sidebar-left,
  .narrative-with-right-toc .content-with-toc,
  .legal-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-md);
  }

  .aside-toc,
  .sidebar-toc {
    position: static;
    order: 2;
  }

  /* 移动顺序：内容在前，侧栏在后 */
  .sidebar-left .main-content,
  .sidebar-left .site-main {
    order: 1;
  }

  .sidebar-left .aside-toc,
  .sidebar-left .sidebar-toc {
    order: 2;
  }

  .hero-section {
    grid-template-columns: 1fr;
    gap: var(--space-md);
    padding: var(--space-xl) 0;
  }

  .hero-figure {
    max-width: 640px;
  }

  .service-card-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .archive-preview {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

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

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

  .principle-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .related-card-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

/* 手机 */
@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }

  .header-inner {
    height: var(--header-height);
    width: 100%;
    padding: 0 var(--space-sm);
  }

  .site-nav {
    position: relative;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 220px;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--space-xs);
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    z-index: 200;
  }

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

  .nav-list a {
    padding: 12px 16px;
    font-size: 15px;
    border-radius: var(--radius-sm);
  }

  .nav-list a::after {
    display: none;
  }

  .header-cta {
    display: none;
  }

  .hero-section,
  .service-preview,
  .archive-preview,
  .process-bar,
  .faq-preview,
  .band-content {
    padding-left: 0;
    padding-right: 0;
  }

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

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

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

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

  .service-card img {
    height: 180px;
  }

  .process-bar .process-steps {
    grid-template-columns: 1fr;
  }

  .process-step {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .process-step .step-num {
    margin-bottom: 0;
    font-size: 18px;
  }

  .process-step .step-title {
    margin-bottom: 4px;
  }

  .archive-preview {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-md);
    padding: var(--space-lg) 0;
  }

  .footer-brand-desc {
    max-width: 100%;
  }

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

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

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

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

  .archive-field-grid {
    grid-template-columns: 1fr;
  }

  .help-note {
    flex-direction: column;
    align-items: flex-start;
  }

  .help-note-image {
    width: 100%;
    height: 160px;
  }

  .process-step-item {
    flex-direction: column;
    gap: var(--space-xs);
  }

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

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

  .category-panel {
    padding: var(--space-md);
  }

  .panel-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

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

  .faq-item p {
    padding: 0 16px 14px;
    font-size: 13px;
  }

  .error-code {
    font-size: 60px;
  }

  /* 手机端侧栏在正文之后 */
  .aside-toc,
  .sidebar-toc {
    position: static;
    order: 2;
    margin-top: var(--space-md);
  }

  .sidebar-left .aside-toc,
  .sidebar-left .sidebar-toc {
    order: 2;
  }

  .main-content {
    order: 1;
  }
}

/* 小屏手机 */
@media (max-width: 480px) {
  .layout-shell,
  .header-inner,
  .footer-inner,
  .hero-section,
  .service-preview,
  .archive-preview,
  .process-bar,
  .faq-preview,
  .band-content,
  .footer-bottom p {
    width: 100%;
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
  }

  .hero-section {
    padding-top: var(--space-lg);
    padding-bottom: var(--space-lg);
  }

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

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

  .section-title {
    font-size: 22px;
  }

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

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

  .breadcrumb {
    font-size: 13px;
  }

  .service-card img {
    height: 160px;
  }

  .band-title {
    font-size: 22px;
  }

  .band-text {
    font-size: 14px;
  }

  .process-step {
    flex-direction: column;
    gap: 4px;
  }

  .process-step .step-num {
    font-size: 16px;
  }

  .archive-field-card {
    padding: var(--space-sm);
  }

  .checklist-item {
    flex-direction: column;
    gap: 6px;
  }

  .check-icon {
    margin-top: 0;
  }

  .note-item {
    flex-direction: column;
    gap: 6px;
  }

  .note-number {
    min-width: 0;
  }

  .legal-list li,
  .boundary-list li {
    font-size: 13px;
  }

  .content-section h2,
  .legal-section h2,
  .about-section h2 {
    font-size: 20px;
  }

  .info-block {
    padding: var(--space-sm);
  }

  .info-block p {
    font-size: 13px;
  }

  .nav-list {
    min-width: 200px;
    right: -8px;
  }
}