/* ============================================================
   BASE — 变量、重置、全局基础
   ============================================================ */
:root {
  --color-ink: #0F172A;
  --color-bg: #F8FAFC;
  --color-muted: #E2E8F0;
  --color-accent: #F59E0B;
  --color-success: #10B981;
  --color-link: #3B82F6;
  --color-text: #1E293B;
  --color-text-light: #64748B;
  --color-white: #FFFFFF;
  --color-line: #CBD5E1;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --container-width: 1200px;
  --section-space: 72px;
  --header-h: 68px;
  --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-hover: 0 8px 24px rgba(15, 23, 42, 0.1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  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-link);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  color: var(--color-ink);
  line-height: 1.3;
  font-weight: 700;
}

h1 {
  font-size: 40px;
  letter-spacing: 0.5px;
}

h2 {
  font-size: 28px;
  letter-spacing: 0.3px;
}

h3 {
  font-size: 20px;
}

p {
  margin-bottom: 12px;
}

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

/* 通用容器 */
.header-shell,
.footer-shell,
.hero-layout,
.brand-story-layout,
.section-heading,
.services-grid,
.process-steps-row,
.cases-grid,
.updates-list,
.faq-accordion,
.cta-shell,
.breadcrumb,
.page-header,
.page-title-shell,
.page-layout,
.media-shell,
.page-title-block,
.services-list,
.service-visual,
.delivery-standard,
.standard-grid,
.cta-banner,
.related-links,
.process-overview,
.process-steps,
.quality-control,
.quality-grid,
.cta-guide,
.filter-shell,
.card-grid,
.case-note-shell,
.timeline-section,
.timeline-heading,
.timeline-list,
.notice-section,
.notice-heading,
.notice-content,
.related-grid,
.faq-layout,
.faq-guide-card,
.guide-content,
.error-shell {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ============================================================
   LAYOUT — 页头、页脚、通用布局骨架
   ============================================================ */

/* ---------- 页头 ---------- */
.site-header {
  background-color: var(--color-ink);
  border-bottom: 3px solid var(--color-accent);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-shell {
  max-width: var(--container-width);
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand-name {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: 1px;
  white-space: nowrap;
}

.brand-name:hover {
  color: var(--color-accent);
}

.main-nav.site-nav {
  display: flex;
  align-items: center;
}

.main-nav.site-nav a {
  display: block;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  border-left: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.main-nav.site-nav a:hover {
  color: var(--color-accent);
}

.main-nav.site-nav a.is-current {
  color: var(--color-accent);
  border-left-color: var(--color-accent);
}

/* ---------- 页脚 ---------- */
.site-footer {
  background-color: var(--color-ink);
  color: rgba(255, 255, 255, 0.7);
  margin-top: 80px;
}

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

.footer-col p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.65);
}

.footer-brand {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 12px;
}

.footer-heading {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

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

.footer-nav a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s ease;
}

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

/* ---------- 内页通用骨架 ---------- */
.inner-main {
  padding-bottom: 40px;
}

.breadcrumb {
  padding-top: 20px;
  padding-bottom: 0;
  font-size: 14px;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

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

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

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

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

.page-header {
  padding-top: 24px;
  padding-bottom: 8px;
}

.page-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--color-ink);
  border-left: 4px solid var(--color-accent);
  padding-left: 16px;
}

/* 页面标题区（带说明） */
.page-title-area {
  padding-top: 8px;
  padding-bottom: 8px;
}

.page-title-shell {
  padding-top: 12px;
}

.page-kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 8px;
}

.page-intro,
.page-subtitle,
.page-title-desc {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-light);
  max-width: 720px;
}

.page-title-block {
  padding-top: 12px;
  padding-bottom: 8px;
}

/* ---------- 通用区块标题 ---------- */
.section-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 36px;
}

.section-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 8px;
  background-color: var(--color-ink);
  color: var(--color-accent);
  font-size: 14px;
  font-weight: 700;
  border-radius: var(--radius-sm);
}

.section-heading h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-ink);
}

/* ---------- 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-md);
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-ink);
  border: 2px solid var(--color-accent);
}

.btn-primary:hover {
  background-color: #d97706;
  border-color: #d97706;
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

/* ---------- 文本链接 ---------- */
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-link);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

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

.text-link::after {
  content: "→";
  font-size: 16px;
  transition: transform 0.2s ease;
}

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

/* ============================================================
   COMPONENTS — 全站通用组件
   ============================================================ */

/* ---------- 服务卡片（首页） ---------- */
.service-card {
  display: block;
  background-color: var(--color-white);
  border: 1px solid var(--color-muted);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  outline: none;
}

.service-card:hover,
.service-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-accent);
}

.service-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
  color: var(--color-ink);
  position: relative;
  padding-bottom: 10px;
}

.service-card h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 36px;
  height: 3px;
  background-color: var(--color-accent);
  border-radius: 2px;
}

.service-card > p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-text);
  margin-bottom: 12px;
}

.service-scene,
.service-deliverable {
  font-size: 13px;
  color: var(--color-text-light);
  padding-left: 12px;
  border-left: 2px solid var(--color-muted);
}

.service-scene {
  margin-bottom: 8px;
}

.service-deliverable {
  color: var(--color-success);
  border-left-color: var(--color-success);
}

/* ---------- 流程步骤（首页横排） ---------- */
.process-step {
  background-color: var(--color-white);
  border: 1px solid var(--color-muted);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.process-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.process-step .step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--color-ink);
  color: var(--color-accent);
  font-size: 16px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
}

.process-step h3 {
  font-size: 17px;
  margin-bottom: 10px;
}

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

.process-step .step-deliverable {
  font-size: 13px;
  color: var(--color-success);
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--color-muted);
}

/* ---------- 案例卡片（首页摘要） ---------- */
.case-card {
  display: block;
  background-color: var(--color-white);
  border: 1px solid var(--color-muted);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  outline: none;
}

.case-card:hover,
.case-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-accent);
}

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

.case-card p {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.6;
}

.case-reason {
  font-size: 13px;
  color: var(--color-text-light);
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--color-muted);
}

/* ---------- 动态条目（首页） ---------- */
.update-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-muted);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  display: grid;
  grid-template-columns: 90px 1fr auto;
  gap: 20px;
  align-items: start;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.update-item:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-card);
}

.update-item time {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  padding-top: 2px;
}

.update-item h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

.update-item p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
}

.update-item a {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  align-self: center;
}

/* ---------- FAQ 手风琴 ---------- */
.faq-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-muted);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.2s ease;
}

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

.faq-item summary {
  padding: 18px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-ink);
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 48px;
  transition: color 0.2s ease;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 400;
  color: var(--color-accent);
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  content: "−";
  transform: translateY(-50%) rotate(180deg);
}

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

.faq-item > p {
  padding: 16px 24px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text);
}

/* ---------- 侧栏 ---------- */
.layout-aside {
  min-width: 0;
}

.aside-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-muted);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  margin-bottom: 20px;
}

.aside-heading {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-accent);
}

.aside-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.aside-list li {
  font-size: 14px;
  line-height: 1.5;
}

.aside-list a {
  color: var(--color-text);
  display: inline-block;
  padding: 2px 0;
  border-bottom: 1px solid transparent;
}

.aside-list a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ---------- 图片容器 ---------- */
figure {
  margin: 0;
}

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

figcaption {
  font-size: 13px;
  color: var(--color-text-light);
  padding: 10px 4px 0;
  line-height: 1.5;
}

/* ---------- 媒体图片 ---------- */
.media-figure {
  background-color: var(--color-muted);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

/* ============================================================
   PAGES — 首页
   ============================================================ */

/* ---------- Hero ---------- */
.hero-section {
  background-color: var(--color-ink);
  color: var(--color-white);
  position: relative;
}

.hero-section::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background-color: var(--color-accent);
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
  padding-top: 72px;
  padding-bottom: 72px;
}

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

.hero-kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
  padding: 4px 12px;
  border: 1px solid rgba(245, 158, 11, 0.4);
  border-radius: var(--radius-sm);
}

.hero-copy h1 {
  font-size: 42px;
  line-height: 1.2;
  color: var(--color-white);
  margin-bottom: 16px;
}

.hero-slogan {
  font-size: 20px;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.hero-description {
  font-size: 16px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 28px;
  max-width: 520px;
}

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

.hero-figure {
  background-color: var(--color-muted);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 320px;
}

.hero-figure img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
}

.hero-next-hint {
  text-align: center;
  padding: 16px 24px 28px;
  background-color: var(--color-ink);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

.hero-next-hint a {
  color: var(--color-accent);
  font-weight: 600;
  margin-left: 6px;
}

.hero-next-hint a:hover {
  text-decoration: underline;
}

/* ---------- 品牌起点（首页） ---------- */
.brand-story-section {
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
}

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

.brand-story-figure {
  background-color: var(--color-muted);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.brand-story-figure img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.brand-story-text p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text);
  margin-bottom: 16px;
}

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

/* ---------- 服务能力（首页） ---------- */
.services-section {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-muted);
  border-bottom: 1px solid var(--color-muted);
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ---------- 流程预览（首页） ---------- */
.process-preview-section {
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
}

.process-steps-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

/* ---------- 案例摘要（首页） ---------- */
.cases-preview-section {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-muted);
  border-bottom: 1px solid var(--color-muted);
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

/* ---------- 动态摘要（首页） ---------- */
.updates-preview-section {
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
}

.updates-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

/* ---------- FAQ 摘要（首页） ---------- */
.faq-preview-section {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-muted);
  border-bottom: 1px solid var(--color-muted);
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
}

.faq-accordion {
  margin-bottom: 32px;
}

/* ---------- CTA 区块（首页） ---------- */
.cta-section {
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
}

.cta-shell {
  background-color: var(--color-ink);
  border-radius: var(--radius-lg);
  padding: 48px 56px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-shell::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 6px;
  height: 100%;
  background-color: var(--color-accent);
}

.cta-shell h2 {
  color: var(--color-white);
  font-size: 28px;
  margin-bottom: 12px;
}

.cta-shell p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 15px;
  max-width: 560px;
  margin: 0 auto 28px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================
   PAGES — 品牌故事（brand.html）
   ============================================================ */

.sidebar-right .page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 48px;
  padding-top: 24px;
  padding-bottom: 24px;
}

.layout-main {
  min-width: 0;
}

.brand-article {
  min-width: 0;
}

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

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

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

.brand-quote {
  background-color: var(--color-ink);
  color: var(--color-white);
  border-left: 4px solid var(--color-accent);
  padding: 24px 28px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 16px;
  line-height: 1.7;
  margin: 24px 0;
}

.brand-media {
  padding-top: 24px;
  padding-bottom: 24px;
}

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

/* ============================================================
   PAGES — 服务能力（services.html）
   ============================================================ */

.services-list {
  padding-top: 16px;
  padding-bottom: 16px;
}

.services-list .section-heading {
  margin-bottom: 32px;
}

.service-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 24px;
  background-color: var(--color-white);
  border: 1px solid var(--color-muted);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin-bottom: 20px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.service-item:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-card);
}

.service-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  background-color: var(--color-ink);
  color: var(--color-accent);
  font-size: 24px;
  font-weight: 800;
  border-radius: var(--radius-md);
}

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

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

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

.service-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.meta-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 12px;
  font-size: 14px;
}

.meta-row dt {
  font-weight: 600;
  color: var(--color-ink);
}

.meta-row dd {
  color: var(--color-text);
}

.service-visual {
  padding-top: 24px;
  padding-bottom: 24px;
}

.service-figure {
  background-color: var(--color-muted);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.service-figure img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.delivery-standard {
  padding-top: 24px;
  padding-bottom: 24px;
}

.standard-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

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

.standard-card h3 {
  font-size: 17px;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-muted);
}

.standard-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text);
}

.cta-banner {
  background-color: var(--color-ink);
  border-radius: var(--radius-lg);
  padding: 32px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 32px;
  margin-bottom: 32px;
}

.cta-text {
  font-size: 16px;
  color: var(--color-white);
  margin: 0;
}

.cta-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 28px;
  background-color: var(--color-accent);
  color: var(--color-ink);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: background-color 0.2s ease, transform 0.2s ease;
  white-space: nowrap;
}

.cta-link:hover {
  background-color: #d97706;
  color: var(--color-white);
  transform: translateY(-2px);
}

.related-links {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 16px;
  padding-bottom: 16px;
}

.related-links-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-ink);
}

.related-links-item {
  font-size: 14px;
  color: var(--color-link);
  padding: 4px 12px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s ease, color 0.2s ease;
}

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

/* ============================================================
   PAGES — 制作过程（process.html）
   ============================================================ */

.process-overview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding-top: 24px;
  padding-bottom: 24px;
}

.process-overview-text h2 {
  font-size: 24px;
  margin-bottom: 16px;
}

.process-overview-text p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text);
}

.process-overview-figure {
  background-color: var(--color-muted);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.process-overview-figure img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.process-steps {
  padding-top: 24px;
  padding-bottom: 24px;
}

.process-steps > h2 {
  font-size: 24px;
  margin-bottom: 32px;
  padding-left: 16px;
  border-left: 4px solid var(--color-accent);
}

.process-step-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 24px;
  background-color: var(--color-white);
  border: 1px solid var(--color-muted);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin-bottom: 20px;
  position: relative;
}

.process-step-item::before {
  content: "";
  position: absolute;
  left: 55px;
  top: -20px;
  width: 2px;
  height: 20px;
  background-color: var(--color-line);
}

.process-step-item:first-child::before {
  display: none;
}

.process-step-item .step-number {
  width: 64px;
  height: 64px;
  font-size: 22px;
  border-radius: var(--radius-md);
}

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

.step-content h3 {
  font-size: 20px;
  margin-bottom: 16px;
}

.step-detail {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 16px;
}

.step-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 8px;
}

.step-detail p:not(.step-label) {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text);
  margin: 0;
}

.process-step-item .step-deliverable {
  font-size: 14px;
  color: var(--color-success);
  background-color: rgba(16, 185, 129, 0.08);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  display: inline-block;
}

.quality-control {
  padding-top: 24px;
  padding-bottom: 24px;
}

.quality-control > h2 {
  font-size: 24px;
  margin-bottom: 12px;
  padding-left: 16px;
  border-left: 4px solid var(--color-accent);
}

.quality-intro {
  font-size: 15px;
  color: var(--color-text-light);
  max-width: 720px;
  margin-bottom: 32px;
}

.quality-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

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

.quality-item h3 {
  font-size: 17px;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-accent);
}

.quality-item ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.quality-item li {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text);
  padding-left: 16px;
  position: relative;
}

.quality-item li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.cta-guide {
  background-color: var(--color-ink);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  margin-top: 32px;
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cta-guide .cta-text {
  font-size: 16px;
  color: var(--color-white);
  margin: 0;
}

.cta-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.cta-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 14px;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.cta-links a:first-child {
  background-color: var(--color-accent);
  color: var(--color-ink);
}

.cta-links a:first-child:hover {
  background-color: #d97706;
  color: var(--color-white);
  transform: translateY(-2px);
}

.cta-links a:last-child {
  border: 2px solid rgba(255, 255, 255, 0.5);
  color: var(--color-white);
}

.cta-links a:last-child:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

/* ============================================================
   PAGES — 系列目录（cases.html）
   ============================================================ */

.filter-bar {
  padding-top: 16px;
  padding-bottom: 16px;
}

.filter-shell {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  background-color: var(--color-white);
  border: 1px solid var(--color-muted);
  border-radius: var(--radius-md);
  padding: 16px 20px;
}

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

.filter-btn {
  min-height: 40px;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 1px solid var(--color-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.filter-btn.is-active {
  background-color: var(--color-ink);
  color: var(--color-accent);
  border-color: var(--color-ink);
}

.card-grid-shell {
  padding-top: 16px;
  padding-bottom: 16px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card-grid .case-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-white);
  border: 1px solid var(--color-muted);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.card-grid .case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-accent);
}

.case-card-media {
  background-color: var(--color-muted);
  overflow: hidden;
}

.case-card-media img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.case-card-body {
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}

.case-industry {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.case-title {
  font-size: 19px;
  margin-bottom: 10px;
}

.case-task {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-light);
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-muted);
}

.case-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 12px;
}

.case-reason {
  font-size: 13px;
  color: var(--color-text-light);
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--color-muted);
}

.case-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-link);
  margin-top: 12px;
}

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

.case-note {
  padding-top: 16px;
  padding-bottom: 16px;
}

.case-note-shell {
  background-color: var(--color-white);
  border: 1px solid var(--color-muted);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.case-note-shell p {
  font-size: 14px;
  color: var(--color-text-light);
  margin: 0;
}

.case-note-shell a {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}

/* ============================================================
   PAGES — 近期动态（updates.html）
   ============================================================ */

.timeline-section {
  padding-top: 16px;
  padding-bottom: 16px;
}

.timeline-heading {
  margin-bottom: 32px;
}

.timeline-heading h2 {
  font-size: 24px;
  margin-bottom: 8px;
}

.timeline-heading p {
  font-size: 15px;
  color: var(--color-text-light);
}

.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 80px 200px 1fr;
  gap: 24px;
  align-items: start;
  background-color: var(--color-white);
  border: 1px solid var(--color-muted);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.timeline-item:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-card);
}

.timeline-date {
  text-align: center;
  background-color: var(--color-ink);
  color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 12px 8px;
}

.date-day {
  display: block;
  font-size: 28px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-accent);
}

.date-month {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 4px;
}

.timeline-media {
  background-color: var(--color-muted);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.timeline-media img {
  width: 100%;
  height: 140px;
  object-fit: cover;
}

.timeline-content {
  min-width: 0;
}

.timeline-content h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.timeline-content p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.timeline-content a {
  font-size: 14px;
  font-weight: 600;
}

.notice-section {
  padding-top: 24px;
  padding-bottom: 24px;
}

.notice-heading {
  margin-bottom: 24px;
}

.notice-heading h2 {
  font-size: 24px;
  margin-bottom: 8px;
}

.notice-heading p {
  font-size: 15px;
  color: var(--color-text-light);
}

.notice-content {
  background-color: var(--color-white);
  border: 1px solid var(--color-muted);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
}

.notice-content p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text);
}

.related-links {
  padding-top: 16px;
  padding-bottom: 16px;
}

.related-links > h2 {
  font-size: 20px;
  margin-bottom: 20px;
}

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

.related-grid a {
  display: block;
  background-color: var(--color-white);
  border: 1px solid var(--color-muted);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-ink);
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.related-grid a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

/* ============================================================
   PAGES — 常见问题（faq.html）
   ============================================================ */

.content-media-inline {
  background-color: var(--color-muted);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 720px;
  margin-top: 20px;
}

.content-media-inline img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.faq-layout {
  padding-top: 24px;
  padding-bottom: 24px;
}

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

.faq-group-title {
  font-size: 22px;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-muted);
  position: relative;
}

.faq-group-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 60px;
  height: 2px;
  background-color: var(--color-accent);
}

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

.faq-answer {
  padding: 16px 24px;
  border-top: 1px solid var(--color-muted);
}

.faq-answer p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text);
  padding-left: 12px;
  border-left: 2px solid var(--color-muted);
  margin-bottom: 10px;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

.faq-phenomenon {
  border-left-color: var(--color-line) !important;
}

.faq-reason {
  border-left-color: var(--color-link) !important;
}

.faq-suggestion {
  border-left-color: var(--color-success) !important;
}

.faq-guide-card {
  padding-top: 16px;
  padding-bottom: 16px;
}

.guide-content {
  background-color: var(--color-ink);
  border-radius: var(--radius-lg);
  padding: 40px 48px;
  text-align: center;
}

.guide-title {
  font-size: 24px;
  color: var(--color-white);
  margin-bottom: 12px;
}

.guide-text {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.75);
  max-width: 560px;
  margin: 0 auto 24px;
}

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

.guide-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 28px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 15px;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.guide-link:first-child {
  background-color: var(--color-accent);
  color: var(--color-ink);
}

.guide-link:first-child:hover {
  background-color: #d97706;
  color: var(--color-white);
  transform: translateY(-2px);
}

.guide-link:last-child {
  border: 2px solid rgba(255, 255, 255, 0.5);
  color: var(--color-white);
}

.guide-link:last-child:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

/* ============================================================
   PAGES — 404
   ============================================================ */

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

.error-shell {
  text-align: center;
  padding-top: 48px;
  padding-bottom: 48px;
}

.error-code {
  font-size: 80px;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 16px;
}

.error-title {
  font-size: 28px;
  margin-bottom: 16px;
}

.error-desc {
  font-size: 16px;
  color: var(--color-text-light);
  max-width: 480px;
  margin: 0 auto 32px;
}

.error-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.error-btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 28px;
  background-color: var(--color-accent);
  color: var(--color-ink);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.error-btn:hover {
  background-color: #d97706;
  color: var(--color-white);
  transform: translateY(-2px);
}

.error-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 28px;
  border: 2px solid var(--color-line);
  color: var(--color-text);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: border-color 0.2s ease, color 0.2s ease;
}

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

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

/* ---------- 平板：≤1024px ---------- */
@media (max-width: 1024px) {
  .header-shell {
    padding-left: 20px;
    padding-right: 20px;
  }

  .main-nav.site-nav a {
    padding: 8px 12px;
    font-size: 14px;
  }

  .hero-layout {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-top: 48px;
    padding-bottom: 48px;
  }

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

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

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

  .process-steps-row {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

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

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

  .sidebar-right .page-layout {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 32px;
  }

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

  .timeline-item {
    grid-template-columns: 72px 160px 1fr;
    gap: 16px;
  }

  .footer-shell {
    gap: 32px;
  }
}

/* ---------- 手机：≤768px ---------- */
@media (max-width: 768px) {
  :root {
    --section-space: 48px;
  }

  h1 {
    font-size: 30px;
  }

  h2 {
    font-size: 24px;
  }

  .header-shell {
    height: 60px;
    padding-left: 16px;
    padding-right: 16px;
  }

  .brand-name {
    font-size: 18px;
  }

  .main-nav.site-nav {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background-color: var(--color-ink);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 16px;
    border-bottom: 3px solid var(--color-accent);
    max-height: calc(100vh - 60px);
    overflow-y: auto;
  }

  .main-nav.site-nav a {
    padding: 12px 8px;
    font-size: 15px;
    border-left: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .main-nav.site-nav a:last-child {
    border-bottom: none;
  }

  .main-nav.site-nav a.is-current {
    border-left: none;
    border-bottom-color: var(--color-accent);
  }

  .hero-layout {
    padding-top: 40px;
    padding-bottom: 40px;
  }

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

  .hero-slogan {
    font-size: 17px;
  }

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

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

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

  .hero-figure {
    min-height: 200px;
  }

  .hero-figure img {
    min-height: 200px;
  }

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

  .brand-story-figure img {
    height: 240px;
  }

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

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

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

  .update-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .update-item time {
    font-size: 13px;
  }

  .update-item a {
    justify-self: start;
  }

  .cta-shell {
    padding: 32px 24px;
  }

  .cta-shell h2 {
    font-size: 22px;
  }

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

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

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

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

  .sidebar-right .page-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .layout-main {
    order: 1;
  }

  .layout-aside {
    order: 2;
  }

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

  .service-item {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 20px;
  }

  .service-icon {
    width: 56px;
    height: 56px;
    font-size: 20px;
  }

  .meta-row {
    grid-template-columns: 72px 1fr;
  }

  .standard-grid,
  .quality-grid {
    grid-template-columns: 1fr;
  }

  .cta-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
  }

  .cta-link {
    width: 100%;
    justify-content: center;
  }

  .process-overview {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .process-step-item {
    grid-template-columns: 48px 1fr;
    gap: 16px;
    padding: 20px;
  }

  .process-step-item .step-number {
    width: 48px;
    height: 48px;
    font-size: 18px;
  }

  .process-step-item::before {
    left: 40px;
  }

  .step-detail {
    gap: 2px;
  }

  .cta-guide {
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
  }

  .cta-links {
    width: 100%;
    flex-direction: column;
  }

  .cta-links a {
    width: 100%;
    justify-content: center;
  }

  .filter-shell {
    padding: 12px 16px;
    gap: 8px;
  }

  .filter-btn {
    padding: 8px 16px;
    font-size: 13px;
  }

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

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

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

  .timeline-date {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 8px;
    padding: 8px 12px;
  }

  .date-day {
    font-size: 20px;
  }

  .date-month {
    margin-top: 0;
  }

  .timeline-media img {
    height: 180px;
  }

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

  .guide-content {
    padding: 32px 24px;
  }

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

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

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

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

  .error-btn,
  .error-link {
    justify-content: center;
  }

  .breadcrumb {
    font-size: 13px;
    padding-left: 16px;
    padding-right: 16px;
  }

  .page-header {
    padding-left: 16px;
    padding-right: 16px;
  }

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

  .page-title-area,
  .page-title-block {
    padding-left: 16px;
    padding-right: 16px;
  }
}

/* ---------- 小屏手机：≤480px ---------- */
@media (max-width: 480px) {
  .header-shell {
    padding-left: 12px;
    padding-right: 12px;
  }

  .brand-name {
    font-size: 16px;
  }

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

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

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

  .section-number {
    min-width: 32px;
    height: 32px;
    font-size: 13px;
  }

  .service-card {
    padding: 20px 16px;
  }

  .process-step {
    padding: 20px 16px;
  }

  .case-card {
    padding: 20px 16px;
  }

  .faq-item summary {
    padding: 16px 16px;
    padding-right: 40px;
    font-size: 15px;
  }

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

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

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

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

  .service-item {
    padding: 16px;
  }

  .process-step-item {
    padding: 16px;
  }

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

  .timeline-item {
    padding: 16px;
  }

  .notice-content {
    padding: 20px 16px;
  }

  .cta-shell {
    padding: 24px 16px;
  }

  .cta-banner {
    padding: 20px 16px;
  }

  .cta-guide {
    padding: 20px 16px;
  }

  .guide-content {
    padding: 24px 16px;
  }
}