/* ==========================================================================
   九一制作厂 · 全站样式
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* ==========================================================================
   base
   ========================================================================== */

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

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

body.site-body {
  margin: 0;
  padding: 0;
  background-color: #f4f1ea;
  color: #12232b;
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-weight: 700;
  line-height: 1.35;
  color: #12232b;
}

p {
  margin: 0;
}

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

dl,
dd {
  margin: 0;
}

dt {
  font-weight: 600;
}

figure {
  margin: 0;
}

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

a {
  color: #17564f;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.18s ease, text-decoration-thickness 0.18s ease;
}

a:hover,
a:focus-visible {
  color: #0f3d38;
  text-decoration-thickness: 2px;
  text-decoration-style: solid;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid #c9622a;
  outline-offset: 2px;
}

button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

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

caption {
  text-align: left;
}

strong {
  font-weight: 700;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 200;
  display: inline-block;
  padding: 10px 18px;
  background-color: #17564f;
  color: #ffffff;
  text-decoration: none;
  border-radius: 4px;
  transition: top 0.18s ease;
}

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

/* ==========================================================================
   layout
   ========================================================================== */

.site-header {
  position: relative;
  z-index: 60;
  background-color: #f4f1ea;
  border-bottom: 1px solid #d7d1c2;
}

.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
  color: #12232b;
  flex-shrink: 0;
}

.brand:hover {
  color: #12232b;
  text-decoration: none;
}

.brand-mark {
  font-size: 21px;
  font-weight: 700;
  line-height: 1.2;
  color: #17564f;
  letter-spacing: 0;
}

.brand-sub {
  font-size: 12px;
  font-weight: 400;
  color: #5c6a6e;
  line-height: 1.3;
  padding-left: 10px;
  border-left: 1px solid #d7d1c2;
}

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

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

.nav-list > li {
  display: flex;
}

.nav-link {
  display: inline-block;
  padding: 8px 12px;
  font-size: 15px;
  line-height: 1.5;
  color: #12232b;
  text-decoration: none;
  border-radius: 4px;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
}

.nav-link:hover {
  color: #17564f;
  background-color: rgba(23, 86, 79, 0.06);
  text-decoration: none;
}

.nav-link.is-current {
  color: #17564f;
  font-weight: 700;
  border-bottom-color: #c9622a;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid #d7d1c2;
  border-radius: 4px;
  background-color: #ffffff;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: #12232b;
  border-radius: 1px;
}

.mobile-nav {
  display: none;
  border-top: 1px solid #d7d1c2;
  background-color: #ffffff;
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav-list {
  max-width: 1120px;
  margin: 0 auto;
  padding: 8px 20px 16px;
}

.mobile-nav-list > li {
  border-bottom: 1px solid #ece7db;
}

.mobile-nav-list > li:last-child {
  border-bottom: 0;
}

.mobile-nav-list a {
  display: block;
  padding: 12px 4px;
  font-size: 16px;
  color: #12232b;
  text-decoration: none;
}

.mobile-nav-list a:hover {
  color: #17564f;
}

.site-main {
  display: block;
}

.home-main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

.inner-main {
  min-width: 0;
  padding: 0;
}

/* 内页外壳：aside 在前、main 在后 */

.page-layout {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.page-layout.sidebar-left {
  grid-template-columns: 240px minmax(0, 1fr);
}

.page-layout > .side-nav {
  min-width: 0;
}

.page-layout > .inner-main {
  min-width: 0;
}

/* 面包屑通栏 */

.breadcrumb-bar {
  background-color: #ece7db;
  border-bottom: 1px solid #d7d1c2;
}

.breadcrumb-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 10px 0;
  font-size: 13px;
  line-height: 1.6;
  color: #5c6a6e;
}

.breadcrumb-list > li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.breadcrumb-list > li + li::before {
  content: "/";
  color: #a9a294;
  font-size: 12px;
}

.breadcrumb-item a {
  color: #17564f;
  text-decoration: none;
}

.breadcrumb-item a:hover {
  text-decoration: underline;
}

.breadcrumb-item.is-current {
  color: #12232b;
}

/* 主内容内的小面包屑 */

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: #5c6a6e;
  margin-bottom: 18px;
}

.breadcrumb a {
  color: #17564f;
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb-sep {
  color: #a9a294;
}

.breadcrumb-current {
  color: #12232b;
}

/* 页标题区统一 */

.page-header {
  margin-bottom: 28px;
}

.page-title {
  font-size: 40px;
  line-height: 1.25;
  font-weight: 700;
  color: #12232b;
  margin: 0 0 14px;
}

.page-head {
  margin: 0 0 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid #d7d1c2;
}

.page-label,
.page-tag {
  display: inline-block;
  margin: 0 0 10px;
  padding: 2px 10px;
  font-size: 12px;
  line-height: 1.7;
  color: #17564f;
  background-color: rgba(23, 86, 79, 0.08);
  border-radius: 3px;
}

.page-lead {
  font-size: 16px;
  line-height: 1.8;
  color: #34464d;
  max-width: 720px;
}

/* ==========================================================================
   components
   ========================================================================== */

/* 按钮 */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 22px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  border-radius: 4px;
  border: 1px solid transparent;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn-primary {
  background-color: #17564f;
  color: #ffffff;
  border-color: #17564f;
}

.btn-primary:hover {
  background-color: #0f3d38;
  border-color: #0f3d38;
  color: #ffffff;
  text-decoration: none;
}

.btn-ghost {
  background-color: transparent;
  color: #17564f;
  border-color: #17564f;
}

.btn-ghost:hover {
  background-color: rgba(23, 86, 79, 0.08);
  color: #0f3d38;
  text-decoration: none;
}

/* 区块标题组 */

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

.section-head h2,
.section-title {
  font-size: 26px;
  line-height: 1.35;
  color: #12232b;
  margin: 0 0 8px;
}

.section-desc,
.section-note,
.section-intro {
  font-size: 15px;
  line-height: 1.75;
  color: #5c6a6e;
  max-width: 760px;
}

.section-intro {
  margin-bottom: 22px;
}

.section-note {
  margin-bottom: 18px;
}

/* 表格通用 */

.table-scroll {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid #d7d1c2;
  border-radius: 6px;
  background-color: #ffffff;
}

.data-table {
  width: 100%;
  min-width: 640px;
  font-size: 14px;
  line-height: 1.65;
}

.data-table thead th {
  background-color: #ece7db;
  color: #12232b;
  font-size: 13px;
  font-weight: 700;
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid #d7d1c2;
  white-space: nowrap;
}

.data-table tbody th {
  text-align: left;
  font-weight: 600;
  color: #12232b;
  padding: 12px 14px;
  border-bottom: 1px solid #ece7db;
  background-color: #faf8f3;
  vertical-align: top;
}

.data-table tbody td {
  padding: 12px 14px;
  color: #34464d;
  border-bottom: 1px solid #ece7db;
  vertical-align: top;
}

.data-table tbody tr:last-child th,
.data-table tbody tr:last-child td {
  border-bottom: 0;
}

.data-table tbody th a {
  color: #17564f;
}

/* 标签 */

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.tag {
  display: inline-block;
  padding: 2px 8px;
  font-size: 12px;
  line-height: 1.7;
  color: #34464d;
  background-color: #f0ece1;
  border: 1px solid #ddd7c8;
  border-radius: 3px;
  white-space: nowrap;
}

/* 侧栏树状导航（两种结构：side-group / side-nav-group） */

.side-nav {
  position: sticky;
  top: 16px;
  font-size: 14px;
  line-height: 1.6;
}

.side-nav-inner {
  display: block;
}

.side-group,
.side-nav-group {
  margin-bottom: 4px;
  border: 1px solid #d7d1c2;
  border-radius: 6px;
  background-color: #ffffff;
  overflow: hidden;
}

.side-group + .side-group,
.side-nav-group + .side-nav-group {
  margin-top: 10px;
}

.side-group-toggle,
.side-nav-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  min-height: 44px;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 700;
  color: #12232b;
  text-align: left;
  background-color: #f7f4ec;
  border-bottom: 1px solid #e6e0d2;
}

.side-group-title {
  display: block;
  min-width: 0;
}

.side-group-icon,
.side-nav-icon {
  position: relative;
  display: inline-block;
  flex-shrink: 0;
  width: 12px;
  height: 12px;
}

.side-group-icon::before,
.side-group-icon::after,
.side-nav-icon::before,
.side-nav-icon::after {
  content: "";
  position: absolute;
  background-color: #17564f;
  border-radius: 1px;
}

.side-group-icon::before,
.side-nav-icon::before {
  left: 0;
  top: 5px;
  width: 12px;
  height: 2px;
}

.side-group-icon::after,
.side-nav-icon::after {
  left: 5px;
  top: 0;
  width: 2px;
  height: 12px;
  transition: transform 0.18s ease;
}

.side-group-toggle[aria-expanded="true"] .side-group-icon::after,
.side-nav-toggle[aria-expanded="true"] .side-nav-icon::after {
  transform: scaleY(0);
}

.side-list,
.side-nav-list {
  padding: 6px 0;
}

.side-list > li,
.side-nav-list > li {
  display: block;
}

.side-list a,
.side-nav-list a {
  display: block;
  padding: 8px 14px 8px 18px;
  font-size: 14px;
  line-height: 1.6;
  color: #34464d;
  text-decoration: none;
  border-left: 3px solid transparent;
}

.side-list a:hover,
.side-nav-list a:hover {
  color: #17564f;
  background-color: #f7f4ec;
  text-decoration: none;
}

.side-list a.is-current,
.side-nav-list a.is-current {
  color: #ffffff;
  background-color: #17564f;
  border-left-color: #c9622a;
  font-weight: 600;
}

/* 图片容器 */

.content-figure,
.route-media,
.dimension-figure,
.stage-figure,
.spec-figure,
.checklist-figure,
.reading-media,
.hero-media {
  display: block;
  background-color: #ece7db;
  border: 1px solid #d7d1c2;
  border-radius: 6px;
  overflow: hidden;
}

.content-figure img,
.route-media img,
.dimension-figure img,
.stage-figure img,
.spec-figure img,
.checklist-figure img,
.reading-media img,
.hero-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.content-figure figcaption,
.route-media figcaption,
.dimension-figure figcaption,
.stage-figure figcaption,
.spec-figure figcaption,
.checklist-figure figcaption,
.reading-media figcaption,
.hero-media figcaption {
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.65;
  color: #5c6a6e;
  background-color: #ffffff;
  border-top: 1px solid #e6e0d2;
}

/* 文字链接 */

.text-link {
  display: inline-block;
  margin-top: 8px;
  font-size: 14px;
  font-weight: 600;
  color: #17564f;
}

/* 相关链接横条 */

.related-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-top: 32px;
  padding: 16px 18px;
  border: 1px solid #d7d1c2;
  border-radius: 6px;
  background-color: #ffffff;
}

.related-links-label {
  font-size: 13px;
  font-weight: 700;
  color: #5c6a6e;
}

.related-links-item {
  font-size: 14px;
  color: #17564f;
}

/* FAQ 折叠 */

.faq-list {
  border-top: 1px solid #d7d1c2;
}

.faq-item {
  border-bottom: 1px solid #d7d1c2;
}

.faq-question {
  position: relative;
  display: block;
  padding: 16px 44px 16px 4px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: #12232b;
  cursor: pointer;
  list-style: none;
}

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

.faq-question::after {
  content: "";
  position: absolute;
  right: 14px;
  top: 50%;
  width: 12px;
  height: 2px;
  margin-top: -1px;
  background-color: #17564f;
  border-radius: 1px;
}

.faq-question::before {
  content: "";
  position: absolute;
  right: 19px;
  top: 50%;
  width: 2px;
  height: 12px;
  margin-top: -6px;
  background-color: #17564f;
  border-radius: 1px;
  transition: transform 0.18s ease;
}

.faq-item[open] .faq-question::before {
  transform: scaleY(0);
}

.faq-item[open] .faq-question {
  color: #17564f;
}

.faq-answer {
  padding: 0 44px 18px 4px;
  font-size: 15px;
  line-height: 1.8;
  color: #34464d;
}

/* ==========================================================================
   pages · 首页
   ========================================================================== */

/* 首屏 */

.hero {
  padding: 44px 0 40px;
  border-bottom: 1px solid #d7d1c2;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 40px;
  align-items: center;
}

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

.hero-eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  padding: 3px 10px;
  font-size: 12px;
  line-height: 1.7;
  color: #17564f;
  background-color: rgba(23, 86, 79, 0.08);
  border-radius: 3px;
}

.hero-copy h1 {
  font-size: 40px;
  line-height: 1.25;
  font-weight: 700;
  color: #12232b;
  margin: 0 0 16px;
}

.hero-lead {
  font-size: 16px;
  line-height: 1.8;
  color: #34464d;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.hero-media {
  min-width: 0;
  border-radius: 8px;
}

.hero-media img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* 服务分类目录 */

.catalog {
  padding: 56px 0;
  border-bottom: 1px solid #d7d1c2;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.catalog-item {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 20px 20px 20px 26px;
  background-color: #ffffff;
  border: 1px solid #d7d1c2;
  border-radius: 6px;
  transition: border-color 0.18s ease;
}

.catalog-item:hover {
  border-color: #17564f;
}

.catalog-bar {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  border-radius: 6px 0 0 6px;
  background-color: #d7d1c2;
}

.bar-orange {
  background-color: #c9622a;
}

.bar-blue {
  background-color: #3b7c96;
}

.bar-yellow {
  background-color: #c8a24a;
}

.catalog-num {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.6;
  color: #8a8375;
  margin-bottom: 4px;
}

.catalog-name {
  font-size: 18px;
  line-height: 1.4;
  margin: 0 0 8px;
}

.catalog-name a {
  color: #12232b;
  text-decoration: none;
}

.catalog-name a:hover {
  color: #17564f;
  text-decoration: underline;
}

.catalog-desc {
  font-size: 14px;
  line-height: 1.7;
  color: #5c6a6e;
  flex: 1 1 auto;
}

.catalog-reco {
  grid-column: 1 / -1;
  padding: 18px 20px;
  background-color: #f7f4ec;
  border: 1px dashed #c8a24a;
  border-radius: 6px;
}

.reco-title {
  font-size: 15px;
  line-height: 1.5;
  color: #12232b;
  margin: 0 0 10px;
}

.reco-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}

.reco-list > li {
  display: block;
}

.reco-list a {
  font-size: 14px;
  color: #17564f;
}

/* 定位说明 */

.scope {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 40px;
  padding: 56px 0;
  border-bottom: 1px solid #d7d1c2;
}

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

.scope-copy h2 {
  font-size: 26px;
  line-height: 1.35;
  margin: 0 0 14px;
}

.scope-copy p {
  font-size: 16px;
  line-height: 1.8;
  color: #34464d;
  margin-bottom: 12px;
}

.scope-copy p:last-child {
  margin-bottom: 0;
}

.scope-points {
  display: grid;
  gap: 14px;
  align-content: start;
  min-width: 0;
}

.scope-point {
  padding: 16px 18px;
  background-color: #ffffff;
  border: 1px solid #d7d1c2;
  border-left: 4px solid #3b7c96;
  border-radius: 4px;
}

.scope-point h3 {
  font-size: 16px;
  line-height: 1.5;
  margin: 0 0 6px;
}

.scope-point p {
  font-size: 14px;
  line-height: 1.7;
  color: #5c6a6e;
}

/* 对照表区 */

.compare-overview {
  padding: 56px 0;
  border-bottom: 1px solid #d7d1c2;
}

.table-note {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.7;
  color: #5c6a6e;
}

/* 制作路线 */

.route {
  padding: 56px 0;
  border-bottom: 1px solid #d7d1c2;
}

.route-body {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
  gap: 32px;
  align-items: start;
}

.route-track {
  min-width: 0;
}

.route-steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.route-step {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 16px 12px 16px 14px;
  background-color: #ffffff;
  border: 1px solid #d7d1c2;
  border-top: 3px solid #17564f;
  border-radius: 4px;
}

.route-step + .route-step::before {
  content: "";
  position: absolute;
  left: -10px;
  top: 26px;
  width: 10px;
  height: 1px;
  background-color: #c8a24a;
}

.route-step .step-num {
  display: inline-block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.6;
  color: #c9622a;
  margin-bottom: 4px;
}

.route-step .step-name {
  font-size: 15px;
  line-height: 1.45;
  margin: 0 0 6px;
}

.route-step .step-out {
  font-size: 13px;
  line-height: 1.65;
  color: #5c6a6e;
  min-width: 0;
  word-break: normal;
  overflow-wrap: break-word;
}

.route-media {
  min-width: 0;
}

.route-media img {
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.route-link {
  margin-top: 20px;
  font-size: 15px;
  line-height: 1.7;
}

/* 成果条目精选 */

.works-pick {
  padding: 56px 0;
  border-bottom: 1px solid #d7d1c2;
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.work-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 20px;
  background-color: #ffffff;
  border: 1px solid #d7d1c2;
  border-radius: 6px;
  transition: border-color 0.18s ease;
}

.work-card:hover {
  border-color: #17564f;
}

.work-num {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.6;
  color: #8a8375;
  margin-bottom: 8px;
}

.work-fields {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 6px 12px;
  font-size: 14px;
  line-height: 1.7;
}

.work-fields dt {
  color: #8a8375;
  font-weight: 400;
  font-size: 13px;
}

.work-fields dd {
  color: #34464d;
  min-width: 0;
}

.works-link {
  margin-top: 20px;
  font-size: 15px;
  line-height: 1.7;
}

/* 制作规范摘要 */

.standards-brief {
  padding: 56px 0;
  border-bottom: 1px solid #d7d1c2;
}

.standards-list {
  display: grid;
  gap: 0;
  border-top: 1px solid #d7d1c2;
}

.standards-item {
  display: grid;
  grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
  gap: 8px 24px;
  padding: 16px 0;
  border-bottom: 1px solid #d7d1c2;
}

.standards-item h3 {
  font-size: 16px;
  line-height: 1.6;
  margin: 0;
}

.standards-item h3 a {
  color: #12232b;
  text-decoration: none;
}

.standards-item h3 a:hover {
  color: #17564f;
  text-decoration: underline;
}

.standards-item p {
  font-size: 14px;
  line-height: 1.75;
  color: #5c6a6e;
}

/* 合作入口 */

.coop {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 40px;
  padding: 56px 0 64px;
}

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

.coop-copy h2 {
  font-size: 26px;
  line-height: 1.35;
  margin: 0 0 14px;
}

.coop-copy p {
  font-size: 16px;
  line-height: 1.8;
  color: #34464d;
  margin-bottom: 22px;
}

.prep-list {
  display: grid;
  gap: 12px;
  align-content: start;
  min-width: 0;
}

.prep-item {
  padding: 14px 18px;
  background-color: #ffffff;
  border: 1px solid #d7d1c2;
  border-left: 4px solid #c8a24a;
  border-radius: 4px;
}

.prep-item h3 {
  font-size: 15px;
  line-height: 1.5;
  margin: 0 0 4px;
}

.prep-item p {
  font-size: 14px;
  line-height: 1.7;
  color: #5c6a6e;
}

/* ==========================================================================
   pages · 服务方向
   ========================================================================== */

.page-directions .section-block {
  padding: 0 0 40px;
  margin-bottom: 40px;
  border-bottom: 1px solid #d7d1c2;
}

.page-directions .section-block:last-of-type {
  border-bottom: 0;
  margin-bottom: 0;
}

.page-directions .section-block > h2 {
  font-size: 26px;
  line-height: 1.35;
  margin: 0 0 10px;
}

.direction-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.direction-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 20px;
  background-color: #ffffff;
  border: 1px solid #d7d1c2;
  border-radius: 6px;
  transition: border-color 0.18s ease;
}

.direction-card:hover {
  border-color: #17564f;
}

.direction-tag {
  display: inline-block;
  align-self: flex-start;
  margin-bottom: 10px;
  padding: 2px 8px;
  font-size: 12px;
  line-height: 1.7;
  border-radius: 3px;
  color: #ffffff;
}

.tag-promo {
  background-color: #c9622a;
}

.tag-product {
  background-color: #3b7c96;
}

.tag-event {
  background-color: #c8a24a;
  color: #12232b;
}

.tag-short {
  background-color: #17564f;
}

.tag-interview {
  background-color: #3b7c96;
}

.tag-training {
  background-color: #c9622a;
}

.direction-no {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.6;
  color: #8a8375;
  margin-bottom: 4px;
}

.direction-name {
  font-size: 18px;
  line-height: 1.4;
  margin: 0 0 8px;
}

.direction-name a {
  color: #12232b;
  text-decoration: none;
}

.direction-name a:hover {
  color: #17564f;
  text-decoration: underline;
}

.direction-desc {
  font-size: 14px;
  line-height: 1.75;
  color: #34464d;
  flex: 1 1 auto;
}

.deliver-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0;
}

.deliver-tags > li {
  display: inline-block;
  padding: 2px 8px;
  font-size: 12px;
  line-height: 1.7;
  color: #17564f;
  background-color: rgba(23, 86, 79, 0.08);
  border-radius: 3px;
  white-space: nowrap;
}

.direction-confirm {
  padding-top: 10px;
  border-top: 1px dashed #d7d1c2;
  font-size: 13px;
  line-height: 1.7;
  color: #5c6a6e;
}

.page-directions .content-figure {
  margin: 0 0 40px;
}

.page-directions .content-figure img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.pick-list {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.pick-item {
  padding: 16px 18px;
  background-color: #ffffff;
  border: 1px solid #d7d1c2;
  border-left: 4px solid #3b7c96;
  border-radius: 4px;
}

.pick-q {
  font-size: 16px;
  line-height: 1.55;
  margin: 0 0 6px;
}

.pick-a {
  font-size: 14px;
  line-height: 1.75;
  color: #5c6a6e;
}

.deliver-glossary {
  display: grid;
  grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
  gap: 0;
  margin-top: 20px;
  border-top: 1px solid #d7d1c2;
}

.deliver-row {
  display: grid;
  grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
  grid-column: 1 / -1;
  gap: 8px 20px;
  padding: 12px 0;
  border-bottom: 1px solid #d7d1c2;
}

.deliver-row dt {
  font-size: 14px;
  font-weight: 700;
  color: #12232b;
}

.deliver-row dd {
  font-size: 14px;
  line-height: 1.75;
  color: #5c6a6e;
}

.section-links {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.7;
}

/* ==========================================================================
   pages · 服务对比
   ========================================================================== */

.compare-selector {
  margin-bottom: 32px;
}

.selector-list {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
}

.selector-item {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background-color: #ffffff;
  border: 1px solid #d7d1c2;
  border-radius: 4px;
  overflow: hidden;
}

.selector-main {
  display: block;
  padding: 10px 8px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  color: #12232b;
  text-align: center;
  text-decoration: none;
  border-bottom: 1px solid #ece7db;
}

.selector-main:hover {
  background-color: #f7f4ec;
  color: #17564f;
}

.selector-sub {
  display: block;
  padding: 6px 8px;
  font-size: 12px;
  line-height: 1.5;
  color: #5c6a6e;
  text-align: center;
  text-decoration: none;
}

.selector-sub:hover {
  color: #17564f;
  text-decoration: underline;
}

.compare-body {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  margin-bottom: 40px;
}

.compare-table-wrap {
  min-width: 0;
}

.compare-table {
  width: 100%;
  min-width: 620px;
  font-size: 14px;
  line-height: 1.65;
}

.compare-table thead th {
  background-color: #ece7db;
  color: #12232b;
  font-size: 13px;
  font-weight: 700;
  text-align: left;
  padding: 12px 12px;
  border-bottom: 1px solid #d7d1c2;
  white-space: nowrap;
}

.compare-table tbody th {
  text-align: left;
  font-weight: 600;
  color: #12232b;
  padding: 12px;
  border-bottom: 1px solid #ece7db;
  background-color: #faf8f3;
  vertical-align: top;
  white-space: nowrap;
}

.compare-table tbody td {
  padding: 12px;
  color: #34464d;
  border-bottom: 1px solid #ece7db;
  vertical-align: top;
}

.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td {
  border-bottom: 0;
}

.compare-aside {
  min-width: 0;
  padding: 20px;
  background-color: #ffffff;
  border: 1px solid #d7d1c2;
  border-top: 3px solid #c9622a;
  border-radius: 6px;
}

.compare-aside .section-title {
  font-size: 18px;
  margin-bottom: 6px;
}

.conclusion-list {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.conclusion-item {
  padding: 12px 14px;
  background-color: #faf8f3;
  border: 1px solid #ece7db;
  border-radius: 4px;
}

.conclusion-head {
  font-size: 15px;
  line-height: 1.5;
  margin: 0 0 4px;
}

.conclusion-text {
  font-size: 14px;
  line-height: 1.7;
  color: #5c6a6e;
}

.conclusion-link {
  display: inline-block;
  margin-top: 6px;
  font-size: 13px;
  font-weight: 600;
  color: #17564f;
}

.dimension-section {
  margin-bottom: 32px;
}

.dimension-body {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 32px;
  align-items: start;
}

.dimension-text {
  min-width: 0;
}

.dimension-list {
  display: grid;
  gap: 0;
  border-top: 1px solid #d7d1c2;
}

.dimension-list dt {
  padding: 12px 0 2px;
  font-size: 15px;
  font-weight: 700;
  color: #12232b;
}

.dimension-list dd {
  padding: 0 0 12px;
  font-size: 14px;
  line-height: 1.75;
  color: #5c6a6e;
  border-bottom: 1px solid #e6e0d2;
}

.dimension-figure {
  min-width: 0;
}

.dimension-figure img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ==========================================================================
   pages · 制作流程
   ========================================================================== */

.page-process .section {
  margin-bottom: 44px;
}

.page-process .section > h2 {
  font-size: 26px;
  line-height: 1.35;
  margin: 0 0 10px;
}

.stage-list {
  display: grid;
  gap: 0;
  margin-top: 22px;
  border-left: 2px solid #d7d1c2;
  padding-left: 0;
}

.stage-item {
  position: relative;
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 24px;
  padding: 0 0 26px 24px;
}

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

.stage-no {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: #17564f;
  padding-top: 2px;
}

.stage-no::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 8px;
  width: 12px;
  height: 12px;
  background-color: #f4f1ea;
  border: 2px solid #17564f;
  border-radius: 50%;
}

.stage-body {
  min-width: 0;
  padding: 16px 18px;
  background-color: #ffffff;
  border: 1px solid #d7d1c2;
  border-radius: 6px;
}

.stage-name {
  font-size: 18px;
  line-height: 1.4;
  margin: 0 0 8px;
}

.stage-desc {
  font-size: 15px;
  line-height: 1.8;
  color: #34464d;
}

.stage-output {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed #d7d1c2;
  font-size: 13px;
  line-height: 1.7;
  color: #17564f;
}

.stage-table {
  min-width: 640px;
}

.stage-figure {
  margin-top: 24px;
}

.stage-figure img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.client-coop .coop-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.coop-item {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 16px 18px;
  background-color: #ffffff;
  border: 1px solid #d7d1c2;
  border-left: 4px solid #3b7c96;
  border-radius: 4px;
}

.coop-name {
  font-size: 16px;
  line-height: 1.5;
  margin: 0 0 6px;
}

.coop-desc {
  font-size: 14px;
  line-height: 1.75;
  color: #5c6a6e;
  flex: 1 1 auto;
}

.coop-owner {
  display: inline-block;
  align-self: flex-start;
  margin-top: 10px;
  padding: 1px 8px;
  font-size: 12px;
  line-height: 1.7;
  color: #17564f;
  background-color: rgba(23, 86, 79, 0.08);
  border-radius: 3px;
}

.pitfall-list {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.pitfall-item {
  padding: 14px 18px;
  background-color: #ffffff;
  border: 1px solid #d7d1c2;
  border-left: 4px solid #c9622a;
  border-radius: 4px;
}

.pitfall-problem {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.65;
  color: #12232b;
}

.pitfall-fix {
  margin-top: 4px;
  font-size: 14px;
  line-height: 1.75;
  color: #5c6a6e;
}

.related-entry .related-links {
  margin-top: 18px;
}

.related-entry .related-links > li {
  display: inline-block;
}

/* ==========================================================================
   pages · 成果目录
   ========================================================================== */

.filter-bar {
  margin-bottom: 32px;
}

.filter-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 16px;
}

.filter-group {
  min-width: 0;
  padding: 16px 18px;
  background-color: #ffffff;
  border: 1px solid #d7d1c2;
  border-radius: 6px;
}

.filter-group-label {
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 700;
  color: #5c6a6e;
}

.filter-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-links > li {
  display: inline-block;
}

.filter-links a {
  display: inline-block;
  padding: 4px 10px;
  font-size: 13px;
  line-height: 1.6;
  color: #17564f;
  text-decoration: none;
  background-color: #f7f4ec;
  border: 1px solid #d7d1c2;
  border-radius: 3px;
}

.filter-links a:hover {
  background-color: rgba(23, 86, 79, 0.1);
  text-decoration: none;
}

.works-list {
  margin-bottom: 40px;
}

.page-works .works-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 16px;
}

.page-works .work-card {
  gap: 0;
}

.work-field {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 12px;
  line-height: 1.6;
}

.work-field-label {
  color: #8a8375;
}

.work-field-value {
  color: #12232b;
}

.work-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: #c9622a;
  font-weight: 700;
}

.work-name {
  font-size: 17px;
  line-height: 1.45;
  margin: 0 0 12px;
}

.page-works .work-fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  flex: 1 1 auto;
}

.work-row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 12px;
  padding: 6px 0;
  border-top: 1px solid #ece7db;
}

.work-row dt {
  font-size: 13px;
  color: #8a8375;
  font-weight: 400;
}

.work-row dd {
  font-size: 14px;
  line-height: 1.7;
  color: #34464d;
  min-width: 0;
}

.work-links {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.7;
}

.works-reading {
  margin-bottom: 40px;
}

.reading-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 28px;
  align-items: start;
  margin-top: 16px;
}

.reading-media {
  min-width: 0;
}

.reading-media img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.reading-table-wrap {
  min-width: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid #d7d1c2;
  border-radius: 6px;
  background-color: #ffffff;
}

.reading-table {
  width: 100%;
  min-width: 360px;
  font-size: 14px;
  line-height: 1.65;
}

.reading-table thead th {
  background-color: #ece7db;
  color: #12232b;
  font-size: 13px;
  font-weight: 700;
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid #d7d1c2;
}

.reading-table tbody th {
  text-align: left;
  font-weight: 600;
  color: #12232b;
  padding: 10px 12px;
  border-bottom: 1px solid #ece7db;
  background-color: #faf8f3;
  vertical-align: top;
  white-space: nowrap;
}

.reading-table tbody td {
  padding: 10px 12px;
  color: #34464d;
  border-bottom: 1px solid #ece7db;
  vertical-align: top;
}

.reading-table tbody tr:last-child th,
.reading-table tbody tr:last-child td {
  border-bottom: 0;
}

.works-boundary {
  margin-bottom: 40px;
}

.boundary-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 16px;
}

.boundary-col {
  min-width: 0;
  padding: 16px 18px;
  background-color: #ffffff;
  border: 1px solid #d7d1c2;
  border-left: 4px solid #c8a24a;
  border-radius: 4px;
  font-size: 14px;
  line-height: 1.8;
  color: #34464d;
}

.boundary-links {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.8;
}

/* ==========================================================================
   pages · 制作规范
   ========================================================================== */

.page-standards .spec-section {
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid #d7d1c2;
}

.page-standards .spec-section:last-of-type {
  border-bottom: 0;
}

.page-standards .spec-section > h2 {
  font-size: 24px;
  line-height: 1.35;
  margin: 0 0 8px;
}

.spec-intro {
  font-size: 15px;
  line-height: 1.75;
  color: #5c6a6e;
  margin-bottom: 18px;
  max-width: 720px;
}

.spec-list {
  display: grid;
  gap: 0;
  border-top: 1px solid #d7d1c2;
}

.spec-item {
  display: grid;
  grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
  gap: 8px 24px;
  padding: 12px 0;
  border-bottom: 1px solid #e6e0d2;
}

.spec-term {
  font-size: 15px;
  line-height: 1.6;
  margin: 0;
  color: #12232b;
}

.spec-desc {
  font-size: 14px;
  line-height: 1.8;
  color: #5c6a6e;
  min-width: 0;
}

.spec-figure {
  margin-top: 20px;
}

.spec-figure img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.spec-table {
  min-width: 560px;
}

.spec-note {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.75;
  color: #5c6a6e;
}

.spec-scope p {
  font-size: 15px;
  line-height: 1.8;
  color: #34464d;
  margin-bottom: 12px;
  max-width: 760px;
}

.spec-scope p:last-child {
  margin-bottom: 0;
}

/* ==========================================================================
   pages · 合作交流
   ========================================================================== */

.page-cooperation .content-section {
  margin-bottom: 44px;
}

.page-cooperation .content-section > .section-head h2 {
  font-size: 26px;
  line-height: 1.35;
  margin: 0 0 8px;
}

.step-track {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 20px;
}

.step-item {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 16px 14px;
  background-color: #ffffff;
  border: 1px solid #d7d1c2;
  border-top: 3px solid #17564f;
  border-radius: 4px;
}

.step-item + .step-item::before {
  content: "";
  position: absolute;
  left: -12px;
  top: 28px;
  width: 12px;
  height: 1px;
  background-color: #c8a24a;
}

.step-item .step-num {
  display: inline-block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.6;
  color: #c9622a;
  margin-bottom: 4px;
}

.step-item .step-name {
  font-size: 15px;
  line-height: 1.45;
  margin: 0 0 6px;
}

.step-item .step-text {
  font-size: 13px;
  line-height: 1.7;
  color: #5c6a6e;
  overflow-wrap: break-word;
}

.checklist-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px 28px;
  align-items: start;
  margin-top: 20px;
}

.checklist-col {
  min-width: 0;
}

.checklist-title {
  font-size: 16px;
  line-height: 1.5;
  margin: 0 0 10px;
  padding-bottom: 8px;
  border-bottom: 2px solid #17564f;
}

.checklist-list {
  display: grid;
  grid-template-columns: minmax(0, 120px) minmax(0, 1fr);
  gap: 8px 16px;
  font-size: 14px;
  line-height: 1.7;
}

.checklist-list dt {
  font-size: 14px;
  font-weight: 700;
  color: #12232b;
  padding: 8px 0;
  border-top: 1px solid #e6e0d2;
}

.checklist-list dd {
  font-size: 14px;
  line-height: 1.7;
  color: #5c6a6e;
  padding: 8px 0;
  border-top: 1px solid #e6e0d2;
  min-width: 0;
}

.checklist-figure {
  grid-column: 1 / -1;
  min-width: 0;
}

.checklist-figure img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-cooperation .faq-list {
  margin-top: 20px;
}

.scope-body p {
  font-size: 15px;
  line-height: 1.8;
  color: #34464d;
  margin-bottom: 12px;
  max-width: 760px;
}

.scope-body p:last-child {
  margin-bottom: 0;
}

.related-nav {
  margin-top: 12px;
  padding: 20px;
  background-color: #ffffff;
  border: 1px solid #d7d1c2;
  border-radius: 6px;
}

.related-title {
  font-size: 16px;
  line-height: 1.5;
  margin: 0 0 12px;
}

.related-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}

.related-list > li {
  display: inline-block;
}

.related-list a {
  font-size: 14px;
  color: #17564f;
}

/* ==========================================================================
   pages · 404
   ========================================================================== */

.error-main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 64px 20px 72px;
}

.error-inner {
  max-width: 720px;
}

.error-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 64px;
  font-weight: 700;
  line-height: 1;
  color: #c9622a;
  margin-bottom: 16px;
}

.error-title {
  font-size: 32px;
  line-height: 1.3;
  margin: 0 0 14px;
}

.error-text {
  font-size: 16px;
  line-height: 1.8;
  color: #34464d;
  margin-bottom: 24px;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.error-links {
  padding: 20px;
  background-color: #ffffff;
  border: 1px solid #d7d1c2;
  border-radius: 6px;
  margin-bottom: 20px;
}

.error-links-title {
  font-size: 16px;
  line-height: 1.5;
  margin: 0 0 12px;
}

.error-link-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}

.error-link-list > li {
  display: inline-block;
}

.error-link-list a {
  font-size: 14px;
  color: #17564f;
}

.error-note {
  font-size: 14px;
  line-height: 1.75;
  color: #5c6a6e;
}

/* ==========================================================================
   页脚
   ========================================================================== */

.site-footer {
  background-color: #ece7db;
  border-top: 1px solid #d7d1c2;
  color: #12232b;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 44px 20px 0;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) minmax(0, 1.3fr);
  gap: 32px;
  padding-bottom: 32px;
}

.footer-col {
  min-width: 0;
}

.footer-col + .footer-col {
  border-left: 1px solid #d7d1c2;
  padding-left: 32px;
}

.footer-title {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
  color: #12232b;
  margin: 0 0 12px;
}

.footer-links {
  display: grid;
  gap: 8px;
}

.footer-links > li {
  display: block;
}

.footer-links a {
  font-size: 14px;
  line-height: 1.6;
  color: #34464d;
  text-decoration: none;
}

.footer-links a:hover {
  color: #17564f;
  text-decoration: underline;
}

.footer-col-brand {
  min-width: 0;
}

.footer-brand-name {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: #17564f;
  margin-bottom: 8px;
}

.footer-text {
  font-size: 13px;
  line-height: 1.75;
  color: #5c6a6e;
  margin-bottom: 8px;
}

.footer-text:last-child {
  margin-bottom: 0;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 24px;
  padding: 16px 0 20px;
  border-top: 1px solid #d7d1c2;
}

.footer-copy {
  font-size: 13px;
  line-height: 1.6;
  color: #5c6a6e;
}

.footer-boundary {
  font-size: 13px;
  line-height: 1.6;
  color: #5c6a6e;
}

/* ==========================================================================
   responsive
   ========================================================================== */

@media (max-width: 1024px) {
  .page-layout,
  .page-layout.sidebar-left {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .page-layout > .side-nav {
    position: static;
    order: 2;
  }

  .page-layout > .inner-main {
    order: 1;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

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

  .hero-media img {
    aspect-ratio: 16 / 9;
  }

  .scope {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .route-body {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .route-media {
    max-width: 480px;
  }

  .route-media img {
    aspect-ratio: 16 / 9;
  }

  .coop {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .compare-body {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .dimension-body {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .dimension-figure {
    max-width: 560px;
  }

  .reading-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .reading-media {
    max-width: 520px;
  }

  .footer-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }

  .footer-col + .footer-col {
    border-left: 0;
    padding-left: 0;
  }

  .footer-col:nth-child(odd) {
    border-right: 1px solid #d7d1c2;
    padding-right: 24px;
  }

  .footer-col:nth-child(even) {
    border-right: 0;
  }

  .footer-col-brand {
    grid-column: 1 / -1;
    padding-top: 20px;
    border-top: 1px solid #d7d1c2;
  }
}

@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    display: none;
  }

  .mobile-nav:not([hidden]) {
    display: block;
  }

  .selector-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .header-inner {
    min-height: 60px;
    padding: 0 16px;
    gap: 12px;
  }

  .brand-sub {
    display: none;
  }

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

  .home-main,
  .page-layout,
  .breadcrumb-inner,
  .footer-inner,
  .error-main {
    padding-left: 16px;
    padding-right: 16px;
  }

  .page-title {
    font-size: 28px;
    margin-bottom: 12px;
  }

  .hero {
    padding: 28px 0 32px;
  }

  .hero-copy h1 {
    font-size: 28px;
  }

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

  .hero-actions {
    margin-top: 20px;
  }

  .hero-actions .btn {
    flex: 1 1 auto;
  }

  .catalog,
  .compare-overview,
  .route,
  .works-pick,
  .standards-brief {
    padding: 40px 0;
  }

  .scope,
  .coop {
    padding: 40px 0;
  }

  .catalog-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .catalog-reco {
    grid-column: auto;
  }

  .route-steps {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .route-step + .route-step::before {
    left: 24px;
    top: -12px;
    width: 1px;
    height: 12px;
  }

  .works-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .standards-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .section-head h2,
  .section-title {
    font-size: 21px;
  }

  .page-directions .section-block > h2,
  .page-process .section > h2,
  .page-cooperation .content-section > .section-head h2,
  .page-standards .spec-section > h2,
  .scope-copy h2,
  .coop-copy h2 {
    font-size: 21px;
  }

  .direction-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .deliver-glossary {
    grid-template-columns: minmax(0, 1fr);
  }

  .deliver-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .step-track {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .step-item + .step-item::before {
    left: 24px;
    top: -12px;
    width: 1px;
    height: 12px;
  }

  .client-coop .coop-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .stage-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
    padding-left: 20px;
  }

  .stage-no {
    justify-content: flex-start;
    padding-top: 0;
  }

  .stage-no::before {
    left: -28px;
    top: 6px;
  }

  .stage-body {
    padding: 14px 16px;
  }

  .spec-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .filter-groups {
    grid-template-columns: minmax(0, 1fr);
  }

  .boundary-cols {
    grid-template-columns: minmax(0, 1fr);
  }

  .checklist-wrap {
    grid-template-columns: minmax(0, 1fr);
  }

  .checklist-list {
    grid-template-columns: minmax(0, 110px) minmax(0, 1fr);
  }

  .selector-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-cols {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .footer-col:nth-child(odd) {
    border-right: 0;
    padding-right: 0;
  }

  .footer-col + .footer-col {
    padding-top: 20px;
    border-top: 1px solid #d7d1c2;
  }

  .footer-col-brand {
    grid-column: auto;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

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

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

@media (max-width: 480px) {
  body.site-body {
    font-size: 15px;
  }

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

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

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

  .hero-actions .btn {
    width: 100%;
  }

  .catalog-item {
    padding: 16px 16px 16px 22px;
  }

  .work-fields {
    grid-template-columns: 68px minmax(0, 1fr);
  }

  .work-row {
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 8px;
  }

  .checklist-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .checklist-list dt {
    padding-bottom: 0;
  }

  .checklist-list dd {
    padding-top: 0;
    border-top: 0;
  }

  .selector-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .related-links {
    flex-direction: column;
    align-items: flex-start;
  }

  .error-actions {
    flex-direction: column;
  }

  .error-actions .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}

/* 程序验收反馈：修复网格孤项 */
@media (min-width: 769px) {
  .catalog-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}