/* ==========================================================================
   天美传媒麻豆 · 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: #f2ede2;
  color: #1c1b18;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
  font-weight: 600;
  color: #1c1b18;
  line-height: 1.35;
}

p {
  margin: 0;
}

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

a {
  color: #8a3a2f;
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease;
}

a:hover,
a:focus-visible {
  color: #a8763e;
}

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

figure {
  margin: 0;
}

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

button {
  font-family: inherit;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid #a8763e;
  outline-offset: 2px;
}

.visually-hidden {
  position: absolute;
  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;
  padding: 10px 18px;
  background-color: #1c1b18;
  color: #f2ede2;
  border-radius: 4px;
  font-size: 14px;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 12px;
  color: #f2ede2;
}

/* --------------------------------------------------------------------------
   layout · 全站骨架
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: #f2ede2;
  border-bottom: 1px solid #d8cdb8;
}

.header-inner {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-mark {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  color: #1c1b18;
  flex-shrink: 0;
}

.brand-mark:hover,
.brand-mark:focus-visible {
  color: #8a3a2f;
}

.brand-name {
  font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.25;
}

.brand-sub {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: #42525c;
  line-height: 1.4;
}

.site-nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: flex-end;
}

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

.nav-list li {
  display: block;
}

.nav-list a {
  display: inline-block;
  padding: 8px 12px;
  font-size: 14px;
  letter-spacing: 0.08em;
  color: #1c1b18;
  border-bottom: 2px solid transparent;
  line-height: 1.6;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: #8a3a2f;
  border-bottom-color: #a8763e;
}

.nav-list a.is-current {
  color: #8a3a2f;
  border-bottom-color: #a8763e;
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid #c9bda6;
  border-radius: 4px;
  background-color: transparent;
  color: #1c1b18;
  font-size: 0;
  line-height: 0;
  position: relative;
  flex-shrink: 0;
}

.menu-toggle::before,
.menu-toggle::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 20px;
  height: 2px;
  background-color: #1c1b18;
  transform: translateX(-50%);
}

.menu-toggle::before {
  top: 17px;
  box-shadow: 0 6px 0 #1c1b18;
}

.menu-toggle::after {
  bottom: 17px;
}

.mobile-nav {
  display: none;
  border-top: 1px solid #d8cdb8;
  background-color: #f2ede2;
}

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

.mobile-nav-list {
  padding: 8px 24px 16px;
  display: flex;
  flex-direction: column;
}

.mobile-nav-list li {
  border-bottom: 1px solid #e7ddcc;
}

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

.mobile-nav-list a {
  display: block;
  padding: 12px 4px;
  min-height: 48px;
  font-size: 15px;
  color: #1c1b18;
  line-height: 1.6;
}

.mobile-nav-list a:hover,
.mobile-nav-list a:focus-visible {
  color: #8a3a2f;
}

.site-main {
  display: block;
  width: 100%;
}

.inner-main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 24px 72px;
}

/* 内页统一骨架：面包屑 / 页面标题区 */

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: #42525c;
  margin-bottom: 18px;
}

.breadcrumb a {
  color: #42525c;
  border-bottom: 1px solid #c9bda6;
  padding-bottom: 1px;
}

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: #8a3a2f;
  border-bottom-color: #8a3a2f;
}

.breadcrumb-sep {
  color: #a8763e;
  font-family: "SFMono-Regular", Consolas, monospace;
}

.breadcrumb-current {
  color: #1c1b18;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  font-size: 13px;
  color: #42525c;
}

.breadcrumb-list a {
  color: #42525c;
}

.page-header {
  margin-bottom: 34px;
  padding-bottom: 22px;
  border-bottom: 1px solid #d8cdb8;
}

.page-title {
  font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 600;
  line-height: 1.3;
  color: #1c1b18;
  letter-spacing: 0;
  margin: 0;
}

/* 内页标题区：档案编号 / 摘要 / 索引标签 */

.file-number,
.file-code,
.doc-number,
.doc-code,
.file-no,
.file-label,
.file-badge {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: #a8763e;
  line-height: 1.6;
}

.file-label {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 10px;
}

.file-label .file-code,
.file-label .file-no {
  color: #8a3a2f;
}

.file-label .file-cat,
.file-label .file-tag {
  color: #42525c;
}

.file-state,
.file-status {
  color: #42525c;
  padding: 1px 8px;
  border: 1px solid #c9bda6;
  border-radius: 3px;
}

.page-summary,
.page-lead {
  margin-top: 14px;
  font-size: 16px;
  line-height: 1.85;
  color: #3a3833;
  max-width: 760px;
}

.index-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.index-tags li,
.tag {
  display: inline-block;
  padding: 3px 10px;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: #42525c;
  background-color: #e7ddcc;
  border-radius: 3px;
  line-height: 1.6;
}

.index-tags li a {
  color: #42525c;
}

.index-tags li a:hover {
  color: #8a3a2f;
}

/* 页脚 */

.site-footer {
  background-color: #1c1b18;
  color: #d8cdb8;
  margin-top: 0;
}

.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 52px 24px 34px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
}

.footer-heading {
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: 15px;
  font-weight: 600;
  color: #f2ede2;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}

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

.footer-links a {
  color: #c9bda6;
  font-size: 14px;
  line-height: 1.7;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: #e7ddcc;
}

.footer-bottom {
  max-width: 1180px;
  margin: 0 auto;
  padding: 20px 24px 28px;
  border-top: 1px solid #38352e;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  align-items: baseline;
}

.footer-brand {
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: 15px;
  color: #f2ede2;
  letter-spacing: 0.04em;
}

.footer-slogan {
  font-size: 13px;
  color: #a8a091;
}

/* --------------------------------------------------------------------------
   components
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 22px;
  border-radius: 4px;
  font-size: 15px;
  line-height: 1.4;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn-primary {
  background-color: #8a3a2f;
  color: #f2ede2;
  border-color: #8a3a2f;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: #6f2c23;
  border-color: #6f2c23;
  color: #f2ede2;
}

.btn-ghost {
  background-color: transparent;
  color: #1c1b18;
  border-color: #a8763e;
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background-color: #e7ddcc;
  color: #8a3a2f;
  border-color: #8a3a2f;
}

.btn-text {
  display: inline-block;
  font-size: 14px;
  color: #8a3a2f;
  border-bottom: 1px solid #c9bda6;
  padding-bottom: 2px;
  line-height: 1.6;
}

.btn-text:hover,
.btn-text:focus-visible {
  color: #a8763e;
  border-bottom-color: #a8763e;
}

.button-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 22px;
  background-color: #8a3a2f;
  color: #f2ede2;
  border-radius: 4px;
  font-size: 15px;
  letter-spacing: 0.04em;
}

.button-primary:hover,
.button-primary:focus-visible {
  background-color: #6f2c23;
  color: #f2ede2;
}

.link-arrow {
  display: inline-block;
  font-size: 14px;
  color: #8a3a2f;
  padding-bottom: 2px;
  border-bottom: 1px solid #c9bda6;
  line-height: 1.6;
}

.link-arrow::after {
  content: "→";
  margin-left: 4px;
  font-family: "SFMono-Regular", Consolas, monospace;
  color: #a8763e;
}

.link-arrow:hover,
.link-arrow:focus-visible {
  color: #a8763e;
  border-bottom-color: #a8763e;
}

.text-link {
  display: inline-block;
  font-size: 14px;
  color: #8a3a2f;
  border-bottom: 1px solid #c9bda6;
  padding-bottom: 2px;
  line-height: 1.6;
}

.text-link:hover,
.text-link:focus-visible {
  color: #a8763e;
  border-bottom-color: #a8763e;
}

/* 通用 section-head */

.section-head {
  margin-bottom: 26px;
}

.section-kicker,
.section-label,
.section-no {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: #a8763e;
  margin-bottom: 8px;
  line-height: 1.6;
}

.section-head h2 {
  font-size: clamp(1.5rem, 2.4vw, 2.25rem);
  line-height: 1.35;
  margin-bottom: 10px;
}

.section-desc,
.section-lead,
.section-intro {
  font-size: 15px;
  line-height: 1.85;
  color: #4a4740;
  max-width: 760px;
}

/* 通用 figure / 图注 */

figcaption {
  font-size: 13px;
  line-height: 1.7;
  color: #42525c;
  margin-top: 10px;
}

/* 通用列表 / 编号列表 */

.prep-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 10px 0 0;
}

.prep-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.75;
  color: #3a3833;
}

.prep-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background-color: #a8763e;
  border-radius: 50%;
}

.prep-numbered {
  display: flex;
  flex-direction: column;
  gap: 8px;
  counter-reset: prep;
  margin: 10px 0 0;
}

.prep-numbered li {
  counter-increment: prep;
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  line-height: 1.75;
  color: #3a3833;
}

.prep-numbered li::before {
  content: counter(prep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  color: #a8763e;
  line-height: 1.9;
}

/* 通用表格 */

.table-scroll {
  overflow-x: auto;
  margin-top: 18px;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  background-color: #faf6ed;
}

.data-table {
  min-width: 640px;
  font-size: 14px;
}

.data-table thead th {
  background-color: #e7ddcc;
  color: #1c1b18;
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-weight: 600;
  font-size: 14px;
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid #d8cdb8;
  letter-spacing: 0.04em;
}

.data-table tbody th {
  text-align: left;
  padding: 14px 16px;
  font-weight: 600;
  color: #1c1b18;
  border-bottom: 1px solid #e7ddcc;
  vertical-align: top;
  background-color: #f6f1e6;
  width: 22%;
}

.data-table tbody td {
  padding: 14px 16px;
  color: #3a3833;
  line-height: 1.75;
  border-bottom: 1px solid #e7ddcc;
  vertical-align: top;
}

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

/* --------------------------------------------------------------------------
   pages · 首页
   -------------------------------------------------------------------------- */

.home-main {
  display: block;
}

/* hero */

.hero {
  background-color: #f2ede2;
  border-bottom: 1px solid #d8cdb8;
}

.hero-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 56px 24px 40px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 48px;
  align-items: center;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
}

.file-badge {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  padding: 4px 10px;
  background-color: #e7ddcc;
  border-radius: 3px;
}

.file-badge .file-no {
  color: #8a3a2f;
}

.file-badge .file-tag {
  color: #42525c;
}

.hero-copy h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.28;
  letter-spacing: 0;
  color: #1c1b18;
}

.hero-lead {
  font-size: 16px;
  line-height: 1.85;
  color: #3a3833;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 4px;
}

.hero-visual {
  margin: 0;
}

.hero-visual img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid #d8cdb8;
  background-color: #e7ddcc;
}

/* 四步条 */

.step-strip {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px 48px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid #d8cdb8;
  padding-top: 28px;
}

.step-item {
  padding: 0 20px;
  border-left: 1px solid #d8cdb8;
}

.step-item:first-child {
  border-left: none;
  padding-left: 0;
}

.step-item:last-child {
  padding-right: 0;
}

.step-item .step-no {
  display: block;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: #a8763e;
  margin-bottom: 8px;
}

.step-item .step-title {
  font-size: 17px;
  line-height: 1.4;
  margin-bottom: 6px;
}

.step-item p {
  font-size: 14px;
  line-height: 1.75;
  color: #4a4740;
}

/* 角色路径 */

.role-paths {
  max-width: 1180px;
  margin: 0 auto;
  padding: 64px 24px;
  border-bottom: 1px solid #d8cdb8;
}

.role-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.role-card {
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  padding: 24px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.role-card:hover {
  border-color: #a8763e;
  transform: translateY(-2px);
}

.role-card .role-tag {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: #a8763e;
}

.role-card .role-name {
  font-size: 19px;
  line-height: 1.4;
}

.role-card .role-task {
  font-size: 14px;
  line-height: 1.75;
  color: #3a3833;
}

.role-card .role-read {
  font-size: 13px;
  line-height: 1.75;
  color: #42525c;
  padding-top: 8px;
  border-top: 1px dashed #d8cdb8;
}

.role-card .link-arrow {
  margin-top: auto;
  align-self: flex-start;
}

/* 服务档案滑动带 */

.service-files {
  max-width: 1180px;
  margin: 0 auto;
  padding: 64px 24px;
  border-bottom: 1px solid #d8cdb8;
}

.service-rail-wrap {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
}

.service-rail {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  padding: 4px 2px 12px;
  flex: 1 1 auto;
  -webkit-overflow-scrolling: touch;
}

.service-rail::-webkit-scrollbar {
  height: 6px;
}

.service-rail::-webkit-scrollbar-thumb {
  background-color: #c9bda6;
  border-radius: 3px;
}

.service-rail .service-file {
  flex: 0 0 300px;
  scroll-snap-align: start;
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.service-rail .service-file:hover {
  border-color: #a8763e;
  transform: translateY(-2px);
}

.service-rail .service-file .file-no {
  color: #a8763e;
}

.service-rail .service-file .service-name {
  font-size: 18px;
  line-height: 1.4;
}

.service-rail .service-file .service-need {
  font-size: 14px;
  line-height: 1.75;
  color: #3a3833;
}

.service-rail .service-file .service-prep {
  font-size: 13px;
  line-height: 1.7;
  color: #42525c;
  padding-top: 8px;
  border-top: 1px dashed #d8cdb8;
}

.service-rail .service-file .link-arrow {
  margin-top: auto;
  align-self: flex-start;
}

.rail-btn {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid #c9bda6;
  background-color: #faf6ed;
  color: #1c1b18;
  font-size: 0;
  line-height: 0;
  position: relative;
  transition: background-color 0.18s ease, border-color 0.18s ease;
}

.rail-btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 9px;
  height: 9px;
  border-top: 2px solid #1c1b18;
  border-right: 2px solid #1c1b18;
}

.rail-prev::before {
  transform: translate(-30%, -50%) rotate(-135deg);
}

.rail-next::before {
  transform: translate(-70%, -50%) rotate(45deg);
}

.rail-btn:hover,
.rail-btn:focus-visible {
  background-color: #e7ddcc;
  border-color: #a8763e;
}

.rail-progress {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  justify-content: center;
}

.rail-progress .rail-dot {
  display: block;
  width: 22px;
  height: 3px;
  background-color: #d8cdb8;
  border-radius: 2px;
  transition: background-color 0.18s ease;
}

.rail-progress .rail-dot.is-active {
  background-color: #8a3a2f;
}

/* 项目方法时间轴 */

.method-timeline {
  max-width: 1180px;
  margin: 0 auto;
  padding: 64px 24px;
  border-bottom: 1px solid #d8cdb8;
}

.timeline {
  display: flex;
  flex-direction: column;
  border-left: 2px solid #d8cdb8;
  margin-left: 8px;
  padding-left: 0;
}

.timeline .method-step {
  position: relative;
  padding: 0 0 32px 32px;
}

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

.timeline .method-step::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: #f2ede2;
  border: 2px solid #8a3a2f;
}

.timeline .method-step .step-no {
  display: block;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: #a8763e;
  margin-bottom: 6px;
}

.timeline .method-step .method-name {
  font-size: 19px;
  line-height: 1.4;
  margin-bottom: 8px;
}

.timeline .method-step .method-role {
  font-size: 14px;
  line-height: 1.75;
  color: #42525c;
  margin-bottom: 4px;
}

.timeline .method-step .method-output {
  font-size: 14px;
  line-height: 1.75;
  color: #3a3833;
  margin-bottom: 10px;
  max-width: 720px;
}

/* 交付自查任务漏斗 */

.delivery-funnel {
  max-width: 1180px;
  margin: 0 auto;
  padding: 64px 24px;
  border-bottom: 1px solid #d8cdb8;
}

.funnel-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.funnel-card {
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.18s ease;
}

.funnel-card:hover {
  border-color: #a8763e;
}

.funnel-card .file-no {
  color: #a8763e;
}

.funnel-card .funnel-name {
  font-size: 17px;
  line-height: 1.4;
}

.funnel-card p {
  font-size: 14px;
  line-height: 1.75;
  color: #3a3833;
}

.funnel-card .link-arrow {
  margin-top: auto;
  align-self: flex-start;
}

.funnel-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding-top: 22px;
  border-top: 1px dashed #d8cdb8;
}

.funnel-step {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.funnel-step .step-no {
  flex-shrink: 0;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: #f2ede2;
  background-color: #8a3a2f;
  padding: 2px 8px;
  border-radius: 3px;
  line-height: 1.6;
}

.funnel-step p {
  font-size: 14px;
  line-height: 1.75;
  color: #3a3833;
}

/* 方法档案索引 */

.archive-index {
  max-width: 1180px;
  margin: 0 auto;
  padding: 64px 24px;
  border-bottom: 1px solid #d8cdb8;
}

.archive-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.archive-index .archive-cover {
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  padding: 16px 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.archive-index .archive-cover:hover {
  border-color: #a8763e;
  transform: translateY(-2px);
}

.archive-index .archive-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 4px;
  background-color: #e7ddcc;
}

.archive-index .archive-cover .file-no {
  color: #a8763e;
}

.archive-index .archive-name {
  font-size: 18px;
  line-height: 1.4;
}

.archive-index .tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.archive-index .link-arrow {
  margin-top: auto;
  align-self: flex-start;
}

/* 合作说明入口 */

.cooperation-entry {
  max-width: 1180px;
  margin: 0 auto;
  padding: 64px 24px;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.9fr);
  gap: 40px;
  align-items: start;
}

.cooperation-list {
  display: flex;
  flex-direction: column;
}

.cooperation-list h2 {
  font-size: clamp(1.5rem, 2.4vw, 2.25rem);
  line-height: 1.35;
  margin-bottom: 20px;
}

.cooperation-list ul {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cooperation-item {
  padding: 16px 18px;
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
}

.cooperation-item .file-no {
  display: block;
  color: #a8763e;
  margin-bottom: 4px;
}

.cooperation-item h3 {
  font-size: 16px;
  line-height: 1.4;
  margin-bottom: 4px;
}

.cooperation-item p {
  font-size: 14px;
  line-height: 1.75;
  color: #3a3833;
}

.cooperation-cta {
  background-color: #e7ddcc;
  border: 1px solid #c9bda6;
  border-radius: 6px;
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
}

.cooperation-cta h3 {
  font-size: 19px;
  line-height: 1.4;
}

.cooperation-cta p {
  font-size: 14px;
  line-height: 1.8;
  color: #3a3833;
}

.cooperation-cta .btn-primary {
  margin-top: 4px;
}

/* --------------------------------------------------------------------------
   pages · 服务矩阵
   -------------------------------------------------------------------------- */

.page-layout {
  display: grid;
  gap: 40px;
  align-items: start;
}

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

.service-directory {
  position: sticky;
  top: 92px;
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  padding: 20px 18px;
}

.directory-heading {
  font-size: 15px;
  line-height: 1.4;
  margin-bottom: 12px;
  color: #1c1b18;
}

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

.directory-list a {
  display: block;
  padding: 8px 10px;
  font-size: 14px;
  line-height: 1.6;
  color: #3a3833;
  border-left: 3px solid transparent;
  border-radius: 2px;
}

.directory-list a:hover,
.directory-list a:focus-visible {
  color: #8a3a2f;
  background-color: #e7ddcc;
}

.directory-list a.is-active {
  color: #8a3a2f;
  border-left-color: #8a3a2f;
  background-color: #f2ede2;
  font-weight: 600;
}

.directory-note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed #d8cdb8;
  font-size: 13px;
  line-height: 1.7;
  color: #42525c;
}

.service-content {
  display: flex;
  flex-direction: column;
  gap: 28px;
  min-width: 0;
}

.service-content .service-file {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.72fr);
  gap: 28px;
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  padding: 26px 26px 24px;
  align-items: start;
}

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

.service-file__copy .file-number {
  margin-bottom: 8px;
  color: #a8763e;
}

.service-file__copy h2 {
  font-size: 22px;
  line-height: 1.4;
  margin-bottom: 10px;
}

.service-file__copy h3 {
  font-size: 15px;
  line-height: 1.5;
  margin: 18px 0 4px;
  color: #8a3a2f;
  letter-spacing: 0.02em;
}

.service-file__copy .service-need {
  font-size: 15px;
  line-height: 1.85;
  color: #3a3833;
}

.service-file__copy > p:not(.file-number):not(.service-need):not(.file-link) {
  font-size: 15px;
  line-height: 1.85;
  color: #3a3833;
}

.service-file__copy .file-link {
  margin-top: 18px;
}

.service-file__copy .file-link a {
  font-size: 14px;
  color: #8a3a2f;
  border-bottom: 1px solid #c9bda6;
  padding-bottom: 2px;
}

.service-file__copy .file-link a:hover,
.service-file__copy .file-link a:focus-visible {
  color: #a8763e;
  border-bottom-color: #a8763e;
}

.service-file__cover img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 4px;
  background-color: #e7ddcc;
}

.preparation-table,
.role-participation,
.service-boundary {
  margin-top: 48px;
}

.preparation-table h2,
.role-participation h2,
.service-boundary h2 {
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  line-height: 1.4;
  margin-bottom: 10px;
}

.role-note-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.role-note {
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.role-note h3 {
  font-size: 17px;
  line-height: 1.4;
}

.role-note__node {
  font-size: 14px;
  line-height: 1.75;
  color: #3a3833;
}

.role-note__confirm {
  font-size: 13px;
  line-height: 1.7;
  color: #42525c;
  padding-top: 8px;
  border-top: 1px dashed #d8cdb8;
}

.role-note__link {
  margin-top: auto;
}

.role-note__link a {
  font-size: 14px;
  color: #8a3a2f;
  border-bottom: 1px solid #c9bda6;
  padding-bottom: 2px;
}

.role-note__link a:hover,
.role-note__link a:focus-visible {
  color: #a8763e;
  border-bottom-color: #a8763e;
}

.boundary-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}

.boundary-list li {
  padding: 14px 16px;
  background-color: #faf6ed;
  border-left: 3px solid #a8763e;
  border-radius: 0 4px 4px 0;
  font-size: 15px;
  line-height: 1.8;
  color: #3a3833;
}

.boundary-list li strong {
  display: inline-block;
  color: #1c1b18;
  font-weight: 600;
  margin-right: 6px;
}

.boundary-cta {
  margin-top: 22px;
}

/* --------------------------------------------------------------------------
   pages · 项目方法
   -------------------------------------------------------------------------- */

.method-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 40px;
  align-items: start;
}

.method-report {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.method-report .breadcrumb {
  margin-bottom: 18px;
}

.method-report .page-header {
  margin-bottom: 30px;
}

.report-section {
  padding: 28px 0;
  border-top: 1px solid #d8cdb8;
}

.report-section:first-of-type {
  border-top: none;
  padding-top: 0;
}

.report-section h2 {
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  line-height: 1.4;
  margin-bottom: 12px;
}

.summary-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 28px;
  align-items: start;
  margin-top: 16px;
}

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

.summary-text p {
  font-size: 15px;
  line-height: 1.85;
  color: #3a3833;
  margin-bottom: 12px;
}

.summary-text h3 {
  font-size: 16px;
  line-height: 1.4;
  margin: 16px 0 8px;
  color: #8a3a2f;
}

.summary-goals {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.summary-goals li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.75;
  color: #3a3833;
}

.summary-goals li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background-color: #a8763e;
  border-radius: 50%;
}

.summary-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 4px;
  background-color: #e7ddcc;
}

.summary-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px dashed #d8cdb8;
}

.summary-keywords li {
  padding: 3px 10px;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  color: #42525c;
  background-color: #e7ddcc;
  border-radius: 3px;
  line-height: 1.6;
}

.question-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.question-card {
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.question-card h3 {
  font-size: 17px;
  line-height: 1.4;
}

.question-symptom {
  font-size: 14px;
  line-height: 1.75;
  color: #3a3833;
}

.question-link {
  margin-top: auto;
  padding-top: 8px;
}

.question-link a {
  font-size: 14px;
  color: #8a3a2f;
  border-bottom: 1px solid #c9bda6;
  padding-bottom: 2px;
}

.question-link a:hover,
.question-link a:focus-visible {
  color: #a8763e;
  border-bottom-color: #a8763e;
}

.method-records {
  display: flex;
  flex-direction: column;
  margin-top: 20px;
  border-top: 1px solid #e7ddcc;
}

.method-record {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid #e7ddcc;
  align-items: start;
}

.method-record__name {
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: #1c1b18;
}

.method-record__body {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.method-record__body p {
  font-size: 14px;
  line-height: 1.8;
  color: #3a3833;
}

.method-record__body .method-no {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  color: #a8763e;
}

.method-record__body .method-when {
  color: #42525c;
}

.method-record__body .method-need {
  color: #4a4740;
}

.method-record__body .method-role {
  color: #42525c;
}

.stage-list {
  display: flex;
  flex-direction: column;
  border-left: 2px solid #d8cdb8;
  margin: 20px 0 0 8px;
}

.stage-item {
  position: relative;
  padding: 0 0 26px 28px;
}

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

.stage-item::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: #f2ede2;
  border: 2px solid #8a3a2f;
}

.stage-item .stage-no {
  display: block;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: #a8763e;
  margin-bottom: 6px;
}

.stage-item h3 {
  font-size: 18px;
  line-height: 1.4;
  margin-bottom: 8px;
}

.stage-action,
.stage-role,
.stage-output {
  font-size: 14px;
  line-height: 1.8;
  color: #3a3833;
}

.stage-role {
  color: #42525c;
}

.stage-output {
  color: #4a4740;
}

.stage-note {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed #d8cdb8;
  font-size: 14px;
  line-height: 1.75;
  color: #42525c;
}

.stage-note a {
  color: #8a3a2f;
  border-bottom: 1px solid #c9bda6;
  padding-bottom: 2px;
}

.stage-note a:hover,
.stage-note a:focus-visible {
  color: #a8763e;
  border-bottom-color: #a8763e;
}

.deliverable-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.deliverable-card {
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.deliverable-card h3 {
  font-size: 16px;
  line-height: 1.4;
}

.deliverable-scope {
  font-size: 14px;
  line-height: 1.75;
  color: #3a3833;
}

.deliverable-check {
  font-size: 13px;
  line-height: 1.7;
  color: #42525c;
  padding-top: 8px;
  border-top: 1px dashed #d8cdb8;
}

.check-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 20px;
}

.check-group {
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  padding: 20px 18px;
}

.check-group h3 {
  font-size: 16px;
  line-height: 1.4;
  margin-bottom: 12px;
  color: #8a3a2f;
}

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

.check-list li {
  display: flex;
  gap: 10px;
  font-size: 14px;
  line-height: 1.75;
  color: #3a3833;
}

.check-list .check-no {
  flex-shrink: 0;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  color: #a8763e;
  line-height: 1.9;
}

.check-link {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed #d8cdb8;
  font-size: 13px;
  line-height: 1.7;
}

.check-link a {
  color: #8a3a2f;
  border-bottom: 1px solid #c9bda6;
  padding-bottom: 1px;
}

.check-link a:hover,
.check-link a:focus-visible {
  color: #a8763e;
  border-bottom-color: #a8763e;
}

.project-facts {
  position: sticky;
  top: 92px;
  min-width: 0;
}

.facts-card {
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.facts-title {
  font-size: 16px;
  line-height: 1.4;
  padding-bottom: 10px;
  border-bottom: 1px solid #e7ddcc;
  color: #1c1b18;
}

.facts-block {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.facts-block h3 {
  font-size: 14px;
  line-height: 1.4;
  color: #8a3a2f;
  letter-spacing: 0.04em;
}

.facts-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0;
}

.facts-row {
  display: flex;
  gap: 10px;
  align-items: baseline;
  font-size: 13px;
  line-height: 1.7;
}

.facts-row dt {
  flex-shrink: 0;
  color: #42525c;
  min-width: 64px;
}

.facts-row dd {
  margin: 0;
  color: #3a3833;
  flex: 1 1 auto;
  min-width: 0;
}

.facts-row dd a {
  color: #8a3a2f;
  border-bottom: 1px solid #c9bda6;
  padding-bottom: 1px;
}

.facts-row dd a:hover,
.facts-row dd a:focus-visible {
  color: #a8763e;
  border-bottom-color: #a8763e;
}

.facts-note {
  margin-top: 4px;
  padding-top: 12px;
  border-top: 1px dashed #d8cdb8;
  font-size: 13px;
  line-height: 1.7;
  color: #42525c;
}

.facts-note a {
  color: #8a3a2f;
  border-bottom: 1px solid #c9bda6;
  padding-bottom: 1px;
}

.facts-note a:hover,
.facts-note a:focus-visible {
  color: #a8763e;
  border-bottom-color: #a8763e;
}

/* --------------------------------------------------------------------------
   pages · 角色路径
   -------------------------------------------------------------------------- */

.role-overview,
.role-detail,
.role-checklist,
.cross-nodes {
  padding: 40px 0;
  border-top: 1px solid #d8cdb8;
}

.role-overview {
  border-top: none;
  padding-top: 0;
}

.role-overview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.role-overview-card {
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.role-overview-card .card-index {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  color: #a8763e;
  letter-spacing: 0.06em;
}

.role-overview-card h3 {
  font-size: 19px;
  line-height: 1.4;
}

.role-overview-card .role-task {
  font-size: 14px;
  line-height: 1.75;
  color: #3a3833;
}

.role-overview-card .role-read {
  font-size: 13px;
  line-height: 1.7;
  color: #42525c;
  padding-top: 8px;
  border-top: 1px dashed #d8cdb8;
}

.role-overview-card .role-read a {
  color: #8a3a2f;
}

.role-overview-card .role-read a:hover,
.role-overview-card .role-read a:focus-visible {
  color: #a8763e;
}

.role-overview-card .btn-text {
  margin-top: auto;
  align-self: flex-start;
}

.role-detail-band {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 32px;
  align-items: start;
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  padding: 26px 24px;
  margin-bottom: 20px;
}

.role-detail-band:last-child {
  margin-bottom: 0;
}

.role-detail__copy {
  min-width: 0;
}

.role-detail__copy .file-code {
  margin-bottom: 8px;
  color: #a8763e;
}

.role-detail__copy h3 {
  font-size: 21px;
  line-height: 1.4;
  margin-bottom: 10px;
}

.role-detail__copy > p:not(.file-code):not(.role-link) {
  font-size: 15px;
  line-height: 1.85;
  color: #3a3833;
  margin-bottom: 10px;
}

.role-detail__copy h4 {
  font-size: 15px;
  line-height: 1.5;
  margin: 16px 0 6px;
  color: #8a3a2f;
}

.role-link {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.role-link a {
  font-size: 14px;
  color: #8a3a2f;
  border-bottom: 1px solid #c9bda6;
  padding-bottom: 2px;
}

.role-link a:hover,
.role-link a:focus-visible {
  color: #a8763e;
  border-bottom-color: #a8763e;
}

.role-detail__media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 4px;
  background-color: #e7ddcc;
}

.role-checklist-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.role-checklist-group {
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.role-checklist-group h3 {
  font-size: 17px;
  line-height: 1.4;
  color: #8a3a2f;
}

.role-checklist-group .check-link {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px dashed #d8cdb8;
  font-size: 13px;
  line-height: 1.7;
}

.role-checklist-group .check-link a {
  color: #8a3a2f;
  border-bottom: 1px solid #c9bda6;
  padding-bottom: 1px;
}

.role-checklist-group .check-link a:hover,
.role-checklist-group .check-link a:focus-visible {
  color: #a8763e;
  border-bottom-color: #a8763e;
}

.cross-nodes-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.node-card {
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.node-card .card-index {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  color: #a8763e;
  letter-spacing: 0.06em;
}

.node-card h3 {
  font-size: 16px;
  line-height: 1.4;
}

.node-roles,
.node-handover {
  font-size: 13px;
  line-height: 1.75;
  color: #3a3833;
}

.node-handover {
  color: #42525c;
  padding-top: 8px;
  border-top: 1px dashed #d8cdb8;
}

/* --------------------------------------------------------------------------
   pages · 交付标准
   -------------------------------------------------------------------------- */

.support-categories,
.support-steps,
.faq,
.delivery-checklist {
  padding: 40px 0;
  border-top: 1px solid #d8cdb8;
}

.support-categories {
  border-top: none;
  padding-top: 0;
}

.section-inner {
  display: block;
}

.support-category__layout {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  gap: 32px;
  align-items: start;
}

.support-visual img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 4px;
  background-color: #e7ddcc;
}

.support-category-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.support-category {
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.support-category .cat-no {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  color: #a8763e;
  letter-spacing: 0.06em;
}

.support-category h3 {
  font-size: 16px;
  line-height: 1.4;
}

.support-category p {
  font-size: 14px;
  line-height: 1.75;
  color: #3a3833;
}

.support-category .cat-link {
  margin-top: auto;
  align-self: flex-start;
  font-size: 14px;
  color: #8a3a2f;
  border-bottom: 1px solid #c9bda6;
  padding-bottom: 2px;
}

.support-category .cat-link:hover,
.support-category .cat-link:focus-visible {
  color: #a8763e;
  border-bottom-color: #a8763e;
}

.support-step-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.support-step {
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.support-step .step-no {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  color: #a8763e;
  letter-spacing: 0.06em;
}

.support-step h3 {
  font-size: 17px;
  line-height: 1.4;
}

.support-step p {
  font-size: 14px;
  line-height: 1.75;
  color: #3a3833;
}

.support-step .step-flag {
  font-size: 13px;
  line-height: 1.7;
  color: #42525c;
  padding-top: 8px;
  border-top: 1px dashed #d8cdb8;
}

.support-step .step-next {
  margin-top: auto;
  align-self: flex-start;
  font-size: 14px;
  color: #8a3a2f;
  border-bottom: 1px solid #c9bda6;
  padding-bottom: 2px;
}

.support-step .step-next:hover,
.support-step .step-next:focus-visible {
  color: #a8763e;
  border-bottom-color: #a8763e;
}

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

.faq-item {
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  padding: 0;
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 44px 16px 18px;
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: #1c1b18;
  position: relative;
  min-height: 48px;
  display: flex;
  align-items: center;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 20px;
  color: #a8763e;
  line-height: 1;
}

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

.faq-item summary:hover {
  color: #8a3a2f;
}

.faq-answer {
  padding: 0 18px 16px;
  border-top: 1px dashed #d8cdb8;
  padding-top: 14px;
}

.faq-answer p {
  font-size: 15px;
  line-height: 1.85;
  color: #3a3833;
  margin-bottom: 8px;
}

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

.faq-answer a {
  color: #8a3a2f;
  border-bottom: 1px solid #c9bda6;
  padding-bottom: 1px;
}

.faq-answer a:hover,
.faq-answer a:focus-visible {
  color: #a8763e;
  border-bottom-color: #a8763e;
}

.checklist-group {
  margin-bottom: 22px;
}

.checklist-group:last-of-type {
  margin-bottom: 0;
}

.checklist-group h3 {
  font-size: 16px;
  line-height: 1.4;
  color: #8a3a2f;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid #e7ddcc;
}

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

.checklist-item {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 140px;
  gap: 14px;
  align-items: baseline;
  padding: 10px 14px;
  background-color: #faf6ed;
  border: 1px solid #e7ddcc;
  border-radius: 4px;
}

.checklist-item .check-no {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  color: #a8763e;
  letter-spacing: 0.04em;
}

.check-text {
  font-size: 14px;
  line-height: 1.75;
  color: #3a3833;
}

.check-owner {
  font-size: 13px;
  line-height: 1.7;
  color: #42525c;
  text-align: right;
}

.checklist-note {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px dashed #d8cdb8;
  font-size: 14px;
  line-height: 1.75;
  color: #42525c;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.checklist-note a {
  color: #8a3a2f;
  border-bottom: 1px solid #c9bda6;
  padding-bottom: 2px;
}

.checklist-note a:hover,
.checklist-note a:focus-visible {
  color: #a8763e;
  border-bottom-color: #a8763e;
}

/* --------------------------------------------------------------------------
   pages · 方法档案
   -------------------------------------------------------------------------- */

.archive-table,
.archive-covers,
.change-log,
.archive-guide {
  padding: 40px 0;
  border-top: 1px solid #d8cdb8;
}

.archive-table {
  border-top: none;
  padding-top: 0;
}

.index-table {
  font-size: 14px;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  overflow: hidden;
  background-color: #faf6ed;
}

.index-table-caption {
  caption-side: top;
  text-align: left;
  padding: 10px 14px;
  font-size: 13px;
  color: #42525c;
  background-color: #e7ddcc;
  border-bottom: 1px solid #d8cdb8;
}

.index-table thead th {
  background-color: #e7ddcc;
  color: #1c1b18;
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-weight: 600;
  font-size: 14px;
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid #d8cdb8;
  letter-spacing: 0.04em;
}

.index-table tbody td {
  padding: 12px 14px;
  border-bottom: 1px solid #e7ddcc;
  color: #3a3833;
  line-height: 1.7;
  vertical-align: top;
}

.index-table tbody tr:last-child td {
  border-bottom: none;
}

.index-table tbody tr:hover {
  background-color: #f2ede2;
}

.index-table .cell-no {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  color: #a8763e;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.index-table tbody td a {
  color: #8a3a2f;
  border-bottom: 1px solid #c9bda6;
  padding-bottom: 1px;
}

.index-table tbody td a:hover,
.index-table tbody td a:focus-visible {
  color: #a8763e;
  border-bottom-color: #a8763e;
}

.cover-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.cover-grid .archive-cover {
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  padding: 14px 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.cover-grid .archive-cover:hover {
  border-color: #a8763e;
  transform: translateY(-2px);
}

.cover-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 4px;
  background-color: #e7ddcc;
}

.cover-no {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  color: #a8763e;
  letter-spacing: 0.04em;
}

.cover-title {
  font-size: 16px;
  line-height: 1.4;
}

.cover-desc {
  font-size: 13px;
  line-height: 1.75;
  color: #3a3833;
}

.cover-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.cover-tags li {
  padding: 2px 8px;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  color: #42525c;
  background-color: #e7ddcc;
  border-radius: 3px;
  line-height: 1.6;
}

.cover-link {
  margin-top: auto;
  align-self: flex-start;
  font-size: 14px;
  color: #8a3a2f;
  border-bottom: 1px solid #c9bda6;
  padding-bottom: 2px;
}

.cover-link:hover,
.cover-link:focus-visible {
  color: #a8763e;
  border-bottom-color: #a8763e;
}

.log-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.log-group {
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  padding: 20px 18px;
}

.log-heading {
  font-size: 16px;
  line-height: 1.4;
  color: #8a3a2f;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid #e7ddcc;
}

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

.log-list li {
  display: flex;
  gap: 10px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.75;
  color: #3a3833;
}

.log-no {
  flex-shrink: 0;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  color: #a8763e;
  letter-spacing: 0.04em;
}

.guide-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.guide-item {
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.guide-item h3 {
  font-size: 16px;
  line-height: 1.4;
}

.guide-item p {
  font-size: 14px;
  line-height: 1.75;
  color: #3a3833;
}

/* --------------------------------------------------------------------------
   pages · 关于
   -------------------------------------------------------------------------- */

.about-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 40px;
  align-items: start;
  padding-bottom: 40px;
  border-bottom: 1px solid #d8cdb8;
}

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

.about-copy h2 {
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  line-height: 1.4;
  margin-bottom: 14px;
}

.about-copy p {
  font-size: 15px;
  line-height: 1.85;
  color: #3a3833;
  margin-bottom: 12px;
}

.about-scope {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed #d8cdb8;
}

.about-scope li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.75;
  color: #3a3833;
}

.about-scope li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background-color: #a8763e;
  border-radius: 50%;
}

.about-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 4px;
  background-color: #e7ddcc;
}

.audience,
.work-style,
.boundaries,
.about-links {
  padding: 40px 0;
  border-top: 1px solid #d8cdb8;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.audience-card {
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.audience-card h3 {
  font-size: 17px;
  line-height: 1.4;
}

.audience-task,
.audience-note {
  font-size: 14px;
  line-height: 1.75;
  color: #3a3833;
}

.audience-note {
  color: #42525c;
  padding-top: 8px;
  border-top: 1px dashed #d8cdb8;
}

.audience-card .text-link {
  margin-top: auto;
  align-self: flex-start;
}

.work-style-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.work-style-step {
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.work-style-step .step-number {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  color: #a8763e;
  letter-spacing: 0.06em;
}

.work-style-step h3 {
  font-size: 16px;
  line-height: 1.4;
}

.work-style-step .step-action,
.work-style-step .step-need {
  font-size: 13px;
  line-height: 1.75;
  color: #3a3833;
}

.work-style-step .step-need {
  color: #42525c;
  padding-top: 8px;
  border-top: 1px dashed #d8cdb8;
}

.work-style-step .text-link {
  margin-top: auto;
  align-self: flex-start;
  font-size: 13px;
}

.boundaries .boundary-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 0;
}

.boundary-item {
  padding: 16px 18px;
  background-color: #faf6ed;
  border-left: 3px solid #a8763e;
  border-radius: 0 4px 4px 0;
}

.boundary-item h3 {
  font-size: 16px;
  line-height: 1.4;
  margin-bottom: 6px;
  color: #1c1b18;
}

.boundary-desc,
.boundary-exclude,
.boundary-can,
.boundary-cannot {
  font-size: 14px;
  line-height: 1.8;
  color: #3a3833;
}

.boundary-exclude,
.boundary-cannot {
  color: #42525c;
  margin-top: 4px;
}

.about-links h2 {
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  line-height: 1.4;
  margin-bottom: 18px;
}

.link-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.link-card {
  display: block;
}

.link-card a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px;
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  min-height: 100%;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.link-card a:hover,
.link-card a:focus-visible {
  border-color: #a8763e;
  transform: translateY(-2px);
  color: #8a3a2f;
}

.link-card-title {
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: 16px;
  font-weight: 600;
  color: #1c1b18;
  line-height: 1.4;
}

.link-card-desc {
  font-size: 13px;
  line-height: 1.7;
  color: #42525c;
}

/* --------------------------------------------------------------------------
   pages · 合作说明
   -------------------------------------------------------------------------- */

.cooperation-checklist,
.reading-order,
.communication-boundaries,
.site-entries {
  padding: 40px 0;
  border-top: 1px solid #d8cdb8;
}

.cooperation-checklist {
  border-top: none;
  padding-top: 0;
}

.cooperation-checklist .section-head h2,
.reading-order .section-head h2,
.communication-boundaries .section-head h2,
.site-entries .section-head h2 {
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  line-height: 1.4;
  margin-bottom: 10px;
}

.checklist-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  gap: 32px;
  align-items: start;
  margin-top: 22px;
}

.cooperation-visual img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 4px;
  background-color: #e7ddcc;
}

.cooperation-checklist .prep-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 0;
}

.cooperation-checklist .prep-item {
  padding: 16px 18px;
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
}

.cooperation-checklist .prep-item .prep-code {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  color: #a8763e;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.cooperation-checklist .prep-item h3 {
  font-size: 16px;
  line-height: 1.4;
  margin-bottom: 6px;
}

.prep-purpose {
  font-size: 14px;
  line-height: 1.75;
  color: #3a3833;
}

.prep-form {
  font-size: 13px;
  line-height: 1.7;
  color: #42525c;
  margin-top: 6px;
  padding-top: 8px;
  border-top: 1px dashed #d8cdb8;
}

.checklist-note {
  margin-top: 20px;
  font-size: 14px;
  line-height: 1.75;
  color: #42525c;
}

.reading-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.reading-step {
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.reading-num {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  color: #a8763e;
  letter-spacing: 0.06em;
}

.reading-step h3 {
  font-size: 16px;
  line-height: 1.4;
}

.reading-step h3 a {
  color: #1c1b18;
  border-bottom: 1px solid transparent;
}

.reading-step h3 a:hover,
.reading-step h3 a:focus-visible {
  color: #8a3a2f;
  border-bottom-color: #c9bda6;
}

.reading-step p {
  font-size: 13px;
  line-height: 1.75;
  color: #3a3833;
}

.communication-boundaries .boundary-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}

.communication-boundaries .boundary-item {
  padding: 16px 18px;
  background-color: #faf6ed;
  border-left: 3px solid #a8763e;
  border-radius: 0 4px 4px 0;
}

.boundary-can {
  color: #3a3833;
}

.boundary-cannot {
  color: #42525c;
}

.entry-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.entry-card {
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 6px;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.entry-card h3 {
  font-size: 17px;
  line-height: 1.4;
}

.entry-card p {
  font-size: 14px;
  line-height: 1.75;
  color: #3a3833;
}

.entry-link {
  margin-top: auto;
  align-self: flex-start;
  font-size: 14px;
  color: #8a3a2f;
  border-bottom: 1px solid #c9bda6;
  padding-bottom: 2px;
}

.entry-link:hover,
.entry-link:focus-visible {
  color: #a8763e;
  border-bottom-color: #a8763e;
}

.related-note {
  margin-top: 32px;
  padding-top: 18px;
  border-top: 1px dashed #d8cdb8;
  font-size: 14px;
  line-height: 1.75;
  color: #42525c;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.related-note a {
  color: #8a3a2f;
  border-bottom: 1px solid #c9bda6;
  padding-bottom: 2px;
}

.related-note a:hover,
.related-note a:focus-visible {
  color: #a8763e;
  border-bottom-color: #a8763e;
}

/* --------------------------------------------------------------------------
   pages · 404
   -------------------------------------------------------------------------- */

.error-main {
  display: block;
}

.error-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 96px 24px 96px;
  text-align: left;
}

.error-code {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: #a8763e;
  margin-bottom: 12px;
}

.error-inner h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.3;
  margin-bottom: 14px;
}

.error-lead {
  font-size: 16px;
  line-height: 1.85;
  color: #3a3833;
  margin-bottom: 24px;
  max-width: 600px;
}

.error-links {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid #d8cdb8;
}

.error-links h2 {
  font-size: 17px;
  line-height: 1.4;
  margin-bottom: 14px;
}

.error-links ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.error-links li a {
  display: block;
  padding: 12px 16px;
  background-color: #faf6ed;
  border: 1px solid #d8cdb8;
  border-radius: 4px;
  font-size: 14px;
  color: #1c1b18;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.error-links li a:hover,
.error-links li a:focus-visible {
  border-color: #a8763e;
  color: #8a3a2f;
}

/* --------------------------------------------------------------------------
   responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
  .header-inner {
    padding: 0 20px;
  }

  .inner-main {
    padding: 24px 20px 60px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
    padding: 40px 20px 32px;
  }

  .hero-visual img {
    aspect-ratio: 16 / 10;
  }

  .step-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 0;
    padding: 24px 20px 40px;
  }

  .step-item {
    padding: 0 18px;
  }

  .step-item:nth-child(odd) {
    border-left: none;
    padding-left: 0;
  }

  .step-item:nth-child(even) {
    padding-right: 0;
  }

  .step-item:nth-child(3),
  .step-item:nth-child(4) {
    padding-top: 8px;
  }

  .role-paths,
  .service-files,
  .method-timeline,
  .delivery-funnel,
  .archive-index,
  .cooperation-entry {
    padding: 48px 20px;
  }

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

  .role-grid .role-card:last-child {
    grid-column: 1 / -1;
  }

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

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

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

  .archive-grid .archive-cover:last-child {
    grid-column: 1 / -1;
  }

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

  .page-layout.sidebar-left {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 28px;
  }

  .service-content .service-file {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .service-file__cover img {
    aspect-ratio: 16 / 10;
  }

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

  .role-note-grid .role-note:last-child {
    grid-column: 1 / -1;
  }

  .method-layout {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 28px;
  }

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

  .summary-media img {
    aspect-ratio: 16 / 10;
  }

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

  .question-grid .question-card:last-child {
    grid-column: 1 / -1;
  }

  .method-record {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 18px;
  }

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

  .role-overview-grid,
  .role-checklist-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .role-overview-grid .role-overview-card:last-child,
  .role-checklist-grid .role-checklist-group:last-child {
    grid-column: 1 / -1;
  }

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

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

  .support-visual img {
    aspect-ratio: 16 / 9;
  }

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

  .support-step-list .support-step:last-child {
    grid-column: 1 / -1;
  }

  .checklist-item {
    grid-template-columns: 44px minmax(0, 1fr) 120px;
    gap: 12px;
  }

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

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

  .log-grid .log-group:last-child,
  .guide-list .guide-item:last-child {
    grid-column: 1 / -1;
  }

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

  .about-media img {
    aspect-ratio: 16 / 10;
  }

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

  .audience-grid .audience-card:last-child {
    grid-column: 1 / -1;
  }

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

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

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

  .cooperation-visual img {
    aspect-ratio: 16 / 9;
  }

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

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

  .entry-grid .entry-card:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .site-nav {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

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

  .header-inner {
    min-height: 62px;
    padding: 0 16px;
    gap: 16px;
  }

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

  .brand-sub {
    font-size: 10px;
  }

  .inner-main {
    padding: 20px 16px 52px;
  }

  .hero-inner {
    padding: 32px 16px 28px;
    gap: 24px;
  }

  .hero-copy h1 {
    font-size: clamp(1.75rem, 6.5vw, 2.4rem);
  }

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

  .hero-actions {
    width: 100%;
  }

  .hero-actions .btn {
    flex: 1 1 auto;
    min-width: 140px;
  }

  .step-strip {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    padding: 20px 16px 32px;
  }

  .step-item {
    padding: 16px 0;
    border-left: none;
    border-top: 1px solid #d8cdb8;
  }

  .step-item:first-child {
    border-top: none;
    padding-top: 0;
  }

  .step-item:nth-child(3),
  .step-item:nth-child(4) {
    padding-top: 16px;
  }

  .role-paths,
  .service-files,
  .method-timeline,
  .delivery-funnel,
  .archive-index,
  .cooperation-entry {
    padding: 36px 16px;
  }

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

  .role-grid .role-card:last-child {
    grid-column: auto;
  }

  .service-rail .service-file {
    flex: 0 0 82%;
  }

  .rail-btn {
    width: 40px;
    height: 40px;
  }

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

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

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

  .archive-grid .archive-cover:last-child {
    grid-column: auto;
  }

  .page-layout.sidebar-left {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }

  .service-directory {
    position: static;
  }

  .directory-list {
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 8px;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }

  .directory-list li {
    flex: 0 0 auto;
  }

  .directory-list a {
    border-left: none;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    padding: 8px 12px;
    background-color: #f2ede2;
    border-radius: 3px;
  }

  .directory-list a.is-active {
    border-left: none;
    border-bottom-color: #8a3a2f;
  }

  .service-content .service-file {
    padding: 20px 16px;
  }

  .service-file__copy h2 {
    font-size: 20px;
  }

  .preparation-table,
  .role-participation,
  .service-boundary {
    margin-top: 32px;
  }

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

  .role-note-grid .role-note:last-child {
    grid-column: auto;
  }

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

  .project-facts {
    position: static;
  }

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

  .question-grid .question-card:last-child {
    grid-column: auto;
  }

  .method-record {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

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

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

  .role-overview-grid .role-overview-card:last-child,
  .role-checklist-grid .role-checklist-group:last-child {
    grid-column: auto;
  }

  .role-detail-band {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
    padding: 20px 16px;
  }

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

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

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

  .support-step-list .support-step:last-child {
    grid-column: auto;
  }

  .checklist-item {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 10px;
  }

  .checklist-item .check-owner {
    grid-column: 2;
    text-align: left;
  }

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

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

  .log-grid .log-group:last-child,
  .guide-list .guide-item:last-child {
    grid-column: auto;
  }

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

  .audience-grid .audience-card:last-child {
    grid-column: auto;
  }

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

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

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

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

  .entry-grid .entry-card:last-child {
    grid-column: auto;
  }

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

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    padding: 36px 16px 24px;
  }

  .footer-bottom {
    padding: 16px 16px 22px;
  }

  .error-inner {
    padding: 60px 16px;
  }

  .index-table {
    display: block;
    overflow-x: auto;
    border-radius: 4px;
  }

  .index-table thead {
    display: none;
  }

  .index-table tbody {
    display: block;
  }

  .index-table tbody tr {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 14px 16px;
    border-bottom: 1px solid #e7ddcc;
  }

  .index-table tbody tr:last-child {
    border-bottom: none;
  }

  .index-table tbody td {
    padding: 0;
    border-bottom: none;
  }

  .index-table .cell-no {
    color: #a8763e;
    margin-bottom: 2px;
  }
}

@media (max-width: 560px) {
  .brand-sub {
    display: none;
  }

  .header-inner {
    min-height: 58px;
  }

  .page-title {
    font-size: clamp(1.65rem, 7.5vw, 2.1rem);
    line-height: 1.32;
  }

  .section-head h2 {
    font-size: clamp(1.35rem, 5.5vw, 1.7rem);
  }

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

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

  .service-rail .service-file {
    flex: 0 0 90%;
  }

  .service-rail-wrap {
    gap: 8px;
  }

  .rail-btn {
    width: 36px;
    height: 36px;
  }

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

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

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

  .cooperation-item {
    padding: 14px 14px;
  }

  .role-detail__copy h3 {
    font-size: 19px;
  }

  .service-file__copy h2 {
    font-size: 19px;
  }

  .support-category,
  .support-step,
  .question-card,
  .role-note,
  .audience-card,
  .work-style-step,
  .role-overview-card,
  .role-checklist-group,
  .node-card,
  .entry-card,
  .prep-item,
  .log-group,
  .guide-item {
    padding: 16px 14px;
  }

  .checklist-item {
    padding: 10px 12px;
  }

  .faq-item summary {
    padding: 14px 40px 14px 14px;
    font-size: 15px;
  }

  .faq-answer {
    padding: 12px 14px 14px;
  }

  .boundary-list li,
  .boundary-item {
    padding: 12px 14px;
  }
}