/* ==========================================================================
   base — 基础变量、重置、字体、通用排版
   ========================================================================== */
:root {
  --color-primary: #1F2937;
  --color-bg-light: #F8FAFC;
  --color-accent: #F97316;
  --color-info: #0EA5E9;
  --color-border: #D1D5DB;
  --color-text: #111827;
  --color-text-secondary: #4B5563;
  --color-text-muted: #6B7280;
  --color-white: #FFFFFF;
  --font-sans: -apple-system, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "SF Mono", "Roboto Mono", Consolas, monospace;
  --container-width: 1200px;
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

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

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

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

ul,
ol {
  list-style: none;
}

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

h1 {
  font-size: 34px;
  line-height: 1.3;
}

h2 {
  font-size: 24px;
  line-height: 1.4;
}

h3 {
  font-size: 18px;
  line-height: 1.5;
}

p {
  margin-bottom: 1em;
}

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

.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 — 全站骨架：页头、导航、主容器、页脚
   ========================================================================== */

.site-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

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

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 16px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-logo {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-shrink: 0;
}

.brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0;
}

.brand-tag {
  font-size: 12px;
  color: var(--color-text-muted);
  border-left: 2px solid var(--color-accent);
  padding-left: 8px;
  line-height: 1.4;
}

/* --- 主导航 --- */
.site-nav {
  display: flex;
  align-items: center;
}

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

.nav-list li {
  position: relative;
}

.nav-link {
  display: block;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-primary);
  background-color: var(--color-bg-light);
  border-color: var(--color-border);
}

.nav-link.is-current {
  color: var(--color-accent);
  font-weight: 600;
  border-color: var(--color-accent);
  background-color: rgba(249, 115, 22, 0.06);
}

/* --- 汉堡按钮（桌面隐藏） --- */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
}

.toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle.is-open .toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open .toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open .toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- 移动端导航（默认收起） --- */
.mobile-nav {
  display: none;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav.is-open {
  display: block;
}

.mobile-nav-list {
  padding: 8px 16px 16px;
}

.mobile-nav-list li + li {
  border-top: 1px solid var(--color-border);
}

.mobile-nav-list .nav-link {
  display: block;
  padding: 14px 8px;
  font-size: 15px;
  border: none;
  border-radius: 0;
}

.mobile-nav-list .nav-link:hover {
  background: none;
}

.mobile-nav-list .nav-link.active {
  color: var(--color-accent);
  font-weight: 600;
}

/* --- 主内容区 --- */
.site-main {
  flex: 1;
  width: 100%;
}

.inner-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 16px 64px;
  width: 100%;
}

.home-main {
  width: 100%;
}

/* --- 页脚 --- */
.site-footer {
  background-color: var(--color-primary);
  color: rgba(255, 255, 255, 0.8);
  margin-top: auto;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 16px 32px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-heading {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

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

.footer-list a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.footer-list a:hover {
  color: var(--color-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 16px;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 0;
}

/* ==========================================================================
   components — 通用组件：面包屑、标题区、区块标题、按钮、表格、FAQ 等
   ========================================================================== */

/* --- 面包屑 --- */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px 0;
  font-size: 13px;
  color: var(--color-text-muted);
}

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

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

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

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

/* --- 页面标题区 --- */
.page-header {
  padding: 16px 0 0;
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.page-title-area,
.page-title-block {
  padding: 24px 0 32px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 40px;
}

.page-title-area p,
.page-title-block p {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  max-width: 720px;
  margin-bottom: 0;
}

.page-title-desc {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  max-width: 720px;
}

/* --- 区块标题 --- */
.section-heading {
  margin-bottom: 32px;
}

.section-heading h2,
.section-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
  position: relative;
  padding-bottom: 12px;
}

.section-heading h2::after,
.section-title::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  background-color: var(--color-accent);
  margin-top: 12px;
}

.section-heading p,
.section-desc {
  font-size: 15px;
  color: var(--color-text-secondary);
  max-width: 680px;
}

.section-label {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 12px;
}

/* --- 按钮 --- */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

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

.btn-primary:hover {
  background-color: #ea580c;
  border-color: #ea580c;
  color: var(--color-white);
}

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

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

/* --- 通用容器 --- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0;
  width: 100%;
}

/* --- 内容媒体图 --- */
.content-media {
  margin: 24px 0;
}

.content-media img,
.content-media-inline img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.content-media figcaption,
.content-media-inline figcaption {
  font-size: 13px;
  color: var(--color-text-muted);
  padding: 8px 4px 0;
  line-height: 1.6;
}

/* --- 相关链接横条 --- */
.related-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 48px;
  padding: 16px 0;
  border-top: 1px solid var(--color-border);
}

.related-links-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  margin-right: 8px;
}

.related-links-item {
  font-size: 14px;
  color: var(--color-text-secondary);
  padding: 6px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

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

/* --- 表格 --- */
.schedule-table,
.standard-table {
  width: 100%;
  border: 1px solid var(--color-border);
  font-size: 14px;
}

.schedule-table th,
.schedule-table td,
.standard-table th,
.standard-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.schedule-table thead th,
.standard-table thead th {
  background-color: var(--color-bg-light);
  font-weight: 600;
  color: var(--color-primary);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.schedule-table tbody tr:last-child td,
.standard-table tbody tr:last-child td {
  border-bottom: none;
}

.schedule-table tbody tr:hover,
.standard-table tbody tr:hover {
  background-color: var(--color-bg-light);
}

/* --- FAQ 手风琴 --- */
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  background-color: var(--color-white);
}

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

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

.faq-item summary::after {
  content: "+";
  font-size: 20px;
  font-weight: 400;
  color: var(--color-accent);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
  margin-left: 12px;
}

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

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

.faq-item[open] summary {
  border-bottom: 1px solid var(--color-border);
}

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

.faq-item p a {
  color: var(--color-accent);
  text-decoration: underline;
}

/* --- 日期控件 --- */
.date-demo {
  margin-top: 20px;
  padding: 16px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-light);
}

.date-demo label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.date-demo input[type="date"] {
  display: block;
  width: 100%;
  max-width: 260px;
  min-height: 44px;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-text);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.date-demo input[type="date"]:focus {
  outline: 2px solid var(--color-info);
  outline-offset: 1px;
  border-color: var(--color-info);
}

/* --- 滚动出现动画（增强，不影响初始可见性） --- */
@keyframes fade-in-up {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* --- 首屏 hero 三列 --- */
.hero-section {
  background-color: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border);
}

.hero-grid {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 16px;
  display: grid;
  grid-template-columns: 1.2fr 1fr 0.9fr;
  gap: 40px;
  align-items: start;
}

.hero-intro {
  padding-right: 16px;
}

.hero-kicker {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.hero-intro h1 {
  font-size: 34px;
  line-height: 1.3;
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

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

.hero-updates {
  border-left: 1px solid var(--color-border);
  padding-left: 24px;
}

.update-list {
  margin: 0;
}

.update-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}

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

.update-date {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-info);
  margin-bottom: 4px;
}

.update-text {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 0;
}

.hero-directory {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  padding: 20px;
}

.directory-list {
  margin: 0 0 16px;
}

.directory-list li {
  border-bottom: 1px solid var(--color-border);
}

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

.directory-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 4px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
}

.directory-link::after {
  content: "→";
  color: var(--color-accent);
  font-size: 16px;
  transition: transform var(--transition-fast);
}

.directory-link:hover::after {
  transform: translateX(4px);
}

.hero-figure {
  margin: 12px 0 0;
}

.hero-figure img {
  width: 100%;
  height: auto;
  max-height: 200px;
  object-fit: cover;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

/* --- 能力编号带 --- */
.capabilities-section {
  padding: 64px 0;
  border-bottom: 1px solid var(--color-border);
}

.capabilities-section .section-heading,
.services-section .section-heading,
.process-section .section-heading,
.schedule-section .section-heading,
.faq-summary-section .section-heading {
  max-width: var(--container-width);
  margin: 0 auto 32px;
  padding: 0 16px;
}

.capability-strip {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 16px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
}

.capability-item {
  padding: 24px;
  border-right: 1px solid var(--color-border);
}

.capability-item:last-child {
  border-right: none;
}

.capability-number {
  display: block;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-accent);
  margin-bottom: 8px;
}

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

.capability-item p {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 0;
}

/* --- 服务矩阵 --- */
.services-section {
  padding: 64px 0;
  border-bottom: 1px solid var(--color-border);
}

.services-grid {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 16px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.service-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.card-figure {
  margin: 0;
  border-bottom: 1px solid var(--color-border);
}

.card-figure img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.service-index {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-accent);
  padding: 16px 20px 0;
}

.service-card h3 {
  padding: 8px 20px 0;
  font-size: 17px;
}

.service-card p {
  padding: 8px 20px 16px;
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 0;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0 20px 20px;
  padding: 6px 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

.card-link::after {
  content: "→";
  transition: transform var(--transition-fast);
}

.card-link:hover {
  border-bottom-color: var(--color-accent);
}

.card-link:hover::after {
  transform: translateX(4px);
}

/* --- 合作流程纵线 --- */
.process-section {
  padding: 64px 0;
  border-bottom: 1px solid var(--color-border);
}

.process-list {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 16px;
  position: relative;
}

.process-list::before {
  content: "";
  position: absolute;
  left: 29px;
  top: 0;
  bottom: 0;
  width: 1px;
  background-color: var(--color-border);
}

.process-step {
  display: flex;
  gap: 24px;
  padding: 16px 0;
  position: relative;
}

.process-step .step-number {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-white);
  background-color: var(--color-primary);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-sm);
  z-index: 1;
}

.step-content {
  flex: 1;
  padding-top: 4px;
}

.step-content h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.step-io {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 8px;
}

.step-io p {
  font-size: 13px;
  color: var(--color-text-secondary);
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  margin-bottom: 0;
}

/* --- 示例排期与下一步 --- */
.schedule-section {
  padding: 64px 0;
  border-bottom: 1px solid var(--color-border);
}

.schedule-grid {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 16px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: start;
}

.schedule-block h2 {
  font-size: 20px;
  margin-bottom: 8px;
}

.schedule-note {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

.schedule-table {
  margin-bottom: 16px;
}

.next-step-block {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg-light);
  padding: 24px;
}

.next-step-block h2 {
  font-size: 20px;
  margin-bottom: 8px;
}

.next-step-block > p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

.next-step-list {
  margin: 0;
}

.next-step-list li {
  border-bottom: 1px solid var(--color-border);
}

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

.next-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 4px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-primary);
}

.next-link::after {
  content: "→";
  color: var(--color-accent);
  font-size: 18px;
  transition: transform var(--transition-fast);
}

.next-link:hover::after {
  transform: translateX(4px);
}

/* --- 首页 FAQ 摘要 --- */
.faq-summary-section {
  padding: 64px 0;
}

.faq-summary-list {
  max-width: var(--container-width);
  margin: 0 auto 24px;
  padding: 0 16px;
}

.faq-more-link {
  display: inline-block;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-accent);
}

.faq-more-link:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

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

.service-overview {
  padding: 32px 0 48px;
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.overview-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  background-color: var(--color-white);
  transition: border-color var(--transition-fast);
}

.overview-card:hover {
  border-color: var(--color-accent);
}

.card-number {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-accent);
  margin-bottom: 8px;
}

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

.card-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 0;
}

.service-details {
  padding: 32px 0 48px;
  border-top: 1px solid var(--color-border);
}

.service-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  background-color: var(--color-white);
  overflow: hidden;
}

.service-item-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background-color: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border);
}

.service-code {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
}

.service-name {
  font-size: 18px;
  margin: 0;
}

.service-block {
  padding: 16px 24px;
  border-bottom: 1px solid var(--color-border);
}

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

.service-block h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-block h4::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: var(--color-accent);
  flex-shrink: 0;
}

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

.suitable-scenarios {
  padding: 32px 0 48px;
  border-top: 1px solid var(--color-border);
}

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

.scenario-col {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  background-color: var(--color-bg-light);
}

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

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

.cta-banner {
  padding: 40px;
  background-color: var(--color-primary);
  border-radius: var(--radius-md);
  text-align: center;
  margin: 32px 0 0;
}

.cta-banner p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 16px;
}

.cta-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 32px;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-accent);
  transition: background-color var(--transition-fast);
}

.cta-link:hover {
  background-color: #ea580c;
  border-color: #ea580c;
  color: var(--color-white);
}

/* ==========================================================================
   pages — 技术方法页
   ========================================================================== */

.page-heading {
  padding: 24px 0 32px;
}

.page-heading p {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  max-width: 720px;
  margin-bottom: 0;
}

.module-block {
  padding: 32px 0 48px;
  border-top: 1px solid var(--color-border);
}

.module-block:first-of-type {
  border-top: none;
}

.term-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.term-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  background-color: var(--color-white);
  transition: border-color var(--transition-fast);
}

.term-card:hover {
  border-color: var(--color-info);
}

.term-card h3 {
  font-size: 15px;
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

.term-card p {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 0;
}

.method-list {
  display: grid;
  gap: 24px;
}

.method-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-white);
}

.method-item:nth-child(even) .method-media {
  order: 2;
}

.method-media {
  margin: 0;
}

.method-media img {
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
}

.method-content {
  padding: 24px 24px 24px 0;
}

.method-item:nth-child(even) .method-content {
  padding: 24px 0 24px 24px;
}

.method-content h3 {
  font-size: 18px;
  margin-bottom: 12px;
}

.method-content p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 8px;
}

.topic-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.topic-text p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.topic-figure {
  margin: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.topic-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.topic-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--color-text-muted);
  background-color: var(--color-bg-light);
  border-top: 1px solid var(--color-border);
}

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

.misunderstand-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  background-color: var(--color-white);
}

.misunderstand-item h3 {
  font-size: 15px;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.misunderstand-item p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 0;
}

.misunderstand-item p strong {
  display: block;
  color: var(--color-info);
  font-weight: 600;
  margin-top: 8px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.related-card {
  display: block;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  background-color: var(--color-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.related-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

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

.related-card p {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* ==========================================================================
   pages — 质量体系页
   ========================================================================== */

.quality-standard-section,
.quality-process-section,
.feedback-section {
  padding: 32px 0 48px;
}

.quality-standard-section .section-heading,
.quality-process-section .section-heading,
.feedback-section .section-heading {
  max-width: var(--container-width);
  margin-bottom: 24px;
}

.standard-table {
  margin-bottom: 16px;
}

.standard-table th:first-child {
  width: 60px;
}

.standard-table th:nth-child(2) {
  width: 45%;
}

.quality-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.quality-step {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  background-color: var(--color-white);
  position: relative;
}

.quality-step .step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-white);
  background-color: var(--color-primary);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.quality-step h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.quality-step p {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 0;
}

.feedback-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.feedback-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  background-color: var(--color-white);
}

.feedback-item h3 {
  font-size: 16px;
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

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

.quality-figure {
  margin: 32px 0 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.quality-figure img {
  width: 100%;
  height: auto;
  max-height: 320px;
  object-fit: cover;
}

.quality-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--color-text-muted);
  background-color: var(--color-bg-light);
  border-top: 1px solid var(--color-border);
}

.related-links-section {
  padding: 32px 0 16px;
}

.related-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.related-link {
  display: block;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  background-color: var(--color-white);
  transition: border-color var(--transition-fast);
}

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

.related-link-title {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.related-link-desc {
  display: block;
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   pages — 团队分工页
   ========================================================================== */

.role-grid {
  padding: 32px 0 48px;
}

.role-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 20px;
  background-color: var(--color-white);
  transition: border-color var(--transition-fast);
}

.role-card:hover {
  border-color: var(--color-info);
}

.role-card h3 {
  font-size: 17px;
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

.role-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 8px;
}

.role-meta {
  font-size: 13px;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  padding-top: 12px;
  margin-top: 12px;
}

.collab-flow {
  padding: 32px 0 48px;
  border-top: 1px solid var(--color-border);
}

.flow-step {
  display: flex;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}

.flow-step:last-child {
  border-bottom: none;
}

.flow-num {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-white);
  background-color: var(--color-primary);
  border-radius: var(--radius-sm);
}

.flow-step h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.flow-step p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 0;
}

.comm-mechanism {
  padding: 32px 0 48px;
  border-top: 1px solid var(--color-border);
}

.comm-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 16px;
  background-color: var(--color-bg-light);
}

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

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

.related-entry {
  padding: 32px 0 16px;
  border-top: 1px solid var(--color-border);
}

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

.entry-links a {
  display: block;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-primary);
  background-color: var(--color-white);
  transition: border-color var(--transition-fast);
}

.entry-links a:hover {
  border-color: var(--color-accent);
}

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

.faq-section {
  margin-bottom: 40px;
}

.faq-section:last-of-type {
  margin-bottom: 0;
}

.faq-section .section-heading {
  margin-bottom: 20px;
}

.faq-group {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 8px 16px;
  background-color: var(--color-bg-light);
}

.answer-guide {
  margin-top: 40px;
  padding: 32px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
}

.answer-guide p {
  font-size: 15px;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

.guide-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.guide-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.guide-link:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

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

.process-steps {
  padding: 8px 0 32px;
}

.process-step {
  display: flex;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.process-step:last-child {
  border-bottom: none;
}

.process-step .step-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-white);
  background-color: var(--color-primary);
  border-radius: var(--radius-sm);
}

.step-body {
  flex: 1;
}

.step-body h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

.step-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

.step-io {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.step-io p {
  font-size: 13px;
  color: var(--color-text-secondary);
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  margin-bottom: 0;
}

.materials-section,
.schedule-section {
  padding: 32px 0 48px;
  border-top: 1px solid var(--color-border);
}

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

.material-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  background-color: var(--color-white);
}

.material-card h3 {
  font-size: 15px;
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

.material-card p {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 0;
}

.schedule-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.schedule-figure {
  margin: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.schedule-image {
  width: 100%;
  height: auto;
  max-height: 260px;
  object-fit: cover;
}

.schedule-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--color-text-muted);
  background-color: var(--color-bg-light);
  border-top: 1px solid var(--color-border);
}

.schedule-table-wrap {
  overflow-x: auto;
}

.next-steps {
  padding: 32px 0 16px;
  border-top: 1px solid var(--color-border);
}

.next-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.next-card {
  display: block;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  background-color: var(--color-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.next-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.next-card-title {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.next-card-desc {
  display: block;
  font-size: 13px;
  color: var(--color-text-secondary);
}

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

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 48px 16px;
}

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

.error-code {
  font-family: var(--font-mono);
  font-size: 72px;
  font-weight: 700;
  color: var(--color-border);
  line-height: 1;
  margin-bottom: 16px;
}

.error-section h1 {
  font-size: 24px;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 15px;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

.error-home-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 32px;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-accent);
  transition: background-color var(--transition-fast);
}

.error-home-link:hover {
  background-color: #ea580c;
  border-color: #ea580c;
  color: var(--color-white);
}

/* ==========================================================================
   responsive — 响应式断点
   ========================================================================== */

/* --- 平板：1024px --- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .hero-directory {
    grid-column: 1 / -1;
  }

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

  .capability-item {
    border-bottom: 1px solid var(--color-border);
  }

  .capability-item:nth-child(2n) {
    border-right: none;
  }

  .capability-item:nth-child(3),
  .capability-item:nth-child(4) {
    border-bottom: none;
  }

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

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

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

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

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

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

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

  .schedule-block {
    grid-template-columns: 1fr;
  }

  .next-cards {
    grid-template-columns: 1fr;
    gap: 12px;
  }

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

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

  .brand-tag {
    display: none;
  }

  .site-nav {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .mobile-nav.is-open {
    display: block;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 16px 24px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    padding: 32px 16px;
    gap: 32px;
  }

  .hero-intro {
    padding-right: 0;
  }

  .hero-updates {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--color-border);
    padding-top: 24px;
  }

  .hero-directory {
    grid-column: auto;
  }

  .capabilities-section,
  .services-section,
  .process-section,
  .schedule-section,
  .faq-summary-section {
    padding: 48px 0;
  }

  .capability-strip {
    grid-template-columns: 1fr;
  }

  .capability-item {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }

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

  .services-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .card-figure img {
    height: 200px;
  }

  .process-list::before {
    left: 19px;
  }

  .process-step {
    gap: 16px;
  }

  .process-step .step-number {
    width: 40px;
    height: 40px;
    font-size: 15px;
  }

  .step-io {
    grid-template-columns: 1fr;
    gap: 8px;
  }

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

  .schedule-table-wrap {
    overflow-x: auto;
  }

  .schedule-table {
    min-width: 480px;
  }

  .overview-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .scenario-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .method-item {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .method-item:nth-child(even) .method-media {
    order: 0;
  }

  .method-media img {
    min-height: 200px;
    max-height: 240px;
  }

  .method-content {
    padding: 20px !important;
  }

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

  .misunderstand-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .term-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .quality-steps {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .quality-steps .step-number {
    margin-bottom: 12px;
  }

  .feedback-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .related-links {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .role-grid {
    padding: 24px 0 32px;
  }

  .entry-links {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .faq-group {
    padding: 4px 8px;
  }

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

  .faq-item p {
    padding: 12px 16px;
    font-size: 13px;
  }

  .guide-links {
    flex-direction: column;
    align-items: stretch;
  }

  .guide-link {
    justify-content: center;
  }

  .process-step {
    gap: 16px;
    padding: 16px 0;
  }

  .process-step .step-number {
    width: 40px;
    height: 40px;
    font-size: 15px;
  }

  .step-io {
    grid-template-columns: 1fr;
  }

  .materials-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .schedule-block {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .next-cards {
    grid-template-columns: 1fr;
  }

  .page-header {
    padding-top: 8px;
  }

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

  .page-title-area,
  .page-title-block {
    padding: 16px 0 24px;
    margin-bottom: 32px;
  }

  .page-title-area p,
  .page-title-block p,
  .page-title-desc {
    font-size: 15px;
  }

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

  .cta-banner {
    padding: 24px 20px;
  }

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

/* --- 小屏手机：390px --- */
@media (max-width: 390px) {
  .header-inner {
    padding: 0 12px;
    gap: 12px;
  }

  .brand-name {
    font-size: 17px;
  }

  .hero-grid {
    padding: 24px 12px;
  }

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

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

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

  .capabilities-section,
  .services-section,
  .process-section,
  .schedule-section,
  .faq-summary-section {
    padding: 40px 0;
  }

  .capability-item {
    padding: 20px;
  }

  .service-card {
    padding-bottom: 8px;
  }

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

  .process-step {
    gap: 12px;
  }

  .process-step .step-number {
    width: 36px;
    height: 36px;
    font-size: 14px;
  }

  .step-io {
    grid-template-columns: 1fr;
  }

  .next-step-block {
    padding: 20px;
  }

  .faq-item summary {
    padding: 12px 14px;
  }

  .faq-item p {
    padding: 10px 14px;
  }

  .inner-main {
    padding: 0 12px 48px;
  }

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

  .breadcrumb {
    padding: 12px 0;
    font-size: 12px;
  }

  .service-block {
    padding: 14px 16px;
  }

  .service-block h4 {
    font-size: 13px;
  }

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

  .standard-table th,
  .standard-table td {
    padding: 10px 12px;
    font-size: 13px;
  }

  .quality-step {
    padding: 20px;
  }

  .role-card {
    padding: 20px;
  }

  .flow-step {
    gap: 16px;
  }

  .flow-num {
    width: 36px;
    height: 36px;
    font-size: 14px;
  }

  .comm-item {
    padding: 20px;
  }

  .material-card {
    padding: 20px;
  }

  .next-card {
    padding: 20px;
  }

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

  .error-section h1 {
    font-size: 20px;
  }
}

/* --- 打印 --- */
@media print {
  .site-header,
  .site-footer,
  .nav-toggle,
  .mobile-nav,
  .breadcrumb,
  .related-links,
  .cta-banner,
  .next-steps,
  .entry-links {
    display: none !important;
  }

  .site-main {
    padding: 0;
  }

  .inner-main {
    max-width: 100%;
    padding: 0;
  }
}