/* =========================================================
   九色 nbtntm.com — 全站样式表
   base / layout / components / pages / responsive
   ========================================================= */

/* ---------- base ---------- */

:root {
  --paper: #F7F5F0;
  --paper-soft: #FCFBF7;
  --ink: #1C1B19;
  --ink-2: #5C574E;
  --ink-3: #837C6E;
  --rule: #DCD6C9;
  --rule-soft: #E8E3D8;
  --accent: #E4572E;
  --brand: #2F5D8C;
  --space: #4C7A44;
  --print: #C9922B;
  --digital: #6B4A8C;
  --serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --wrap: 1160px;
  --radius: 6px;
  --line: 1px solid var(--rule);
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
}

h1,
h2,
h3,
h4 {
  font-family: var(--serif);
  color: var(--ink);
  margin: 0;
  line-height: 1.35;
  font-weight: 600;
}

p {
  margin: 0 0 0.85em;
}

a {
  color: var(--brand);
  text-decoration: none;
}

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

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

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

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

dl,
dd,
dt {
  margin: 0;
}

figure {
  margin: 0;
}

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

/* ---------- layout ---------- */

.site-body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

.site-main > section,
.site-main > div,
.site-main > aside,
.site-main > nav {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

/* 页头 */

.site-header {
  background: var(--paper-soft);
  border-bottom: var(--line);
  position: relative;
}

.header-top {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.brand-block {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex: 0 0 auto;
}

.brand-link {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0;
}

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

.brand-slogan {
  font-size: 13px;
  color: var(--ink-3);
}

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

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 22px;
  align-items: center;
}

.nav-item {
  display: block;
}

.nav-link {
  display: inline-block;
  padding: 8px 0;
  font-size: 15px;
  color: var(--ink);
  border-bottom: 2px solid transparent;
}

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

.nav-link.is-current {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  position: relative;
}

.nav-toggle::before,
.nav-toggle::after {
  content: "";
  position: absolute;
  left: 11px;
  right: 11px;
  height: 2px;
  background: var(--ink);
}

.nav-toggle::before {
  top: 15px;
}

.nav-toggle::after {
  bottom: 15px;
}

.subnav-band {
  border-top: var(--line);
  background: var(--paper);
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 8px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.subnav-label {
  font-size: 13px;
  color: var(--ink-3);
  flex: 0 0 auto;
}

.subnav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
}

.subnav-link {
  font-size: 13px;
  color: var(--ink-2);
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}

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

/* 页脚 */

.site-footer {
  margin-top: 64px;
  border-top: var(--line);
  background: var(--paper-soft);
}

.footer-links {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 36px 24px 24px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px 32px;
}

.footer-head {
  font-size: 15px;
  margin-bottom: 10px;
  color: var(--ink);
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-link {
  font-size: 14px;
  color: var(--ink-2);
  overflow-wrap: anywhere;
}

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

.footer-brand {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 18px 24px 6px;
  border-top: 1px solid var(--rule-soft);
}

.footer-brand-name {
  font-family: var(--serif);
  font-size: 19px;
  margin-bottom: 2px;
}

.footer-brand-slogan {
  font-size: 14px;
  color: var(--ink-2);
}

.footer-note {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 12px 24px 32px;
  font-size: 13px;
  color: var(--ink-3);
}

/* 内页主容器 */

.inner-main {
  padding-bottom: 8px;
}

.inner-main > section,
.inner-main > div,
.inner-main > aside,
.inner-main > nav {
  max-width: var(--wrap);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.breadcrumb {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 20px 24px 0;
  font-size: 13px;
  color: var(--ink-3);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.breadcrumb a {
  color: var(--ink-2);
}

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

.breadcrumb-sep {
  color: var(--ink-3);
}

.breadcrumb-current {
  color: var(--ink);
}

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

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

.breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--ink-3);
}

.breadcrumb-link {
  color: var(--ink-2);
}

.page-header {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 14px 24px 0;
}

.page-title {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
}

.page-head {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 18px 24px 0;
}

.section-head {
  font-size: 22px;
  margin-bottom: 12px;
}

.section-title {
  font-size: 22px;
  margin-bottom: 10px;
}

.section-lead {
  font-size: 15px;
  color: var(--ink-2);
  max-width: 760px;
  margin-bottom: 20px;
}

.section-note {
  font-size: 14px;
  color: var(--ink-2);
  max-width: 760px;
  margin-bottom: 18px;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  padding: 2px 10px;
  border-radius: 999px;
  border: 1px solid var(--rule);
  color: var(--ink-2);
  background: var(--paper-soft);
  margin-bottom: 10px;
}

.section-tag--brand,
.tag-brand {
  color: var(--brand);
  border-color: var(--brand);
}

.section-tag--path {
  color: var(--digital);
  border-color: var(--digital);
}

.section-tag--print,
.tag-print {
  color: var(--print);
  border-color: var(--print);
}

.tag-space {
  color: var(--space);
  border-color: var(--space);
}

.tag-digital {
  color: var(--digital);
  border-color: var(--digital);
}

.tag-faq {
  color: var(--brand);
  border-color: var(--brand);
}

.tag-feedback {
  color: var(--accent);
  border-color: var(--accent);
}

.page-summary {
  font-size: 16px;
  color: var(--ink-2);
  max-width: 760px;
  margin-bottom: 16px;
}

.page-lead {
  font-size: 16px;
  color: var(--ink-2);
  max-width: 760px;
  margin-bottom: 16px;
}

.page-head-lead {
  font-size: 16px;
  color: var(--ink-2);
  max-width: 760px;
  margin-bottom: 14px;
}

.page-head-note {
  max-width: 760px;
  border-left: 3px solid var(--rule);
  padding-left: 14px;
  margin-bottom: 8px;
}

.page-head-note-text {
  font-size: 14px;
  color: var(--ink-2);
  margin: 0;
}

/* 内页左右布局：默认主内容在前，aside 在后 */

.page-layout {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 22px 24px 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 40px;
  align-items: start;
}

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

.page-layout.sidebar-left .page-toc {
  order: -1;
}

.page-body,
.content-main {
  min-width: 0;
  max-width: 760px;
}

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

.btn {
  display: inline-block;
  padding: 11px 22px;
  border-radius: var(--radius);
  font-size: 15px;
  border: 1px solid transparent;
  min-height: 44px;
  line-height: 1.4;
}

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

.btn-primary:hover {
  background: #C9451F;
  border-color: #C9451F;
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule);
}

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

.entry-link,
.related-link,
.cell-link,
.row-link,
.path-link,
.delivery-link,
.inline-link,
.error-entry-link,
.error-home-link {
  color: var(--brand);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 1px;
}

.entry-link:hover,
.related-link:hover,
.cell-link:hover,
.row-link:hover,
.path-link:hover,
.delivery-link:hover,
.inline-link:hover,
.error-entry-link:hover,
.error-home-link:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* 本页目录 */

.page-toc {
  border-top: 3px solid var(--ink);
  padding-top: 12px;
  position: sticky;
  top: 16px;
}

.toc-head {
  font-size: 15px;
  margin-bottom: 10px;
  color: var(--ink);
}

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

.page-toc .toc-item {
  border-bottom: 1px solid var(--rule-soft);
}

.page-toc .toc-link {
  display: block;
  padding: 8px 0;
  font-size: 14px;
  color: var(--ink-2);
}

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

/* 相关条目栏 */

.related,
.related-panel {
  border-top: 3px solid var(--rule);
  padding-top: 12px;
}

.related-head {
  font-size: 15px;
  margin-bottom: 8px;
}

.related-note {
  font-size: 13px;
  color: var(--ink-3);
  margin-bottom: 10px;
}

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

.related-item,
.related-link-item {
  font-size: 14px;
  line-height: 1.6;
}

.related-links-label {
  font-size: 13px;
  color: var(--ink-3);
  margin-bottom: 6px;
}

/* 图片容器 */

figure img {
  border-radius: var(--radius);
  background: var(--rule-soft);
}

figcaption {
  font-size: 13px;
  color: var(--ink-3);
  margin-top: 8px;
  line-height: 1.6;
}

.hero-visual img,
.caliber-figure img,
.prepare-figure img,
.page-head-media img,
.media-figure img,
.catalog-figure img,
.scope-figure img,
.path-detail-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border: var(--line);
}

/* 字段说明条 */

.field-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  padding: 10px 14px;
  border: var(--line);
  border-radius: var(--radius);
  background: var(--paper-soft);
  max-width: 760px;
}

.field-item {
  font-size: 13px;
  color: var(--ink-2);
}

.field-key {
  color: var(--ink);
}

/* ---------- pages ---------- */

/* 首页 — 刊头首屏 */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 44px;
  align-items: start;
  padding-top: 44px;
  padding-bottom: 36px;
  border-bottom: var(--line);
}

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

.hero-brandline {
  font-size: 13px;
  color: var(--ink-3);
  border-left: 3px solid var(--accent);
  padding-left: 10px;
  margin-bottom: 14px;
}

.hero-title {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.32;
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 16px;
  color: var(--ink-2);
  max-width: 560px;
  margin-bottom: 22px;
}

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

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  border-top: 1px solid var(--rule-soft);
  padding-top: 14px;
}

.hero-fact {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 140px;
}

.fact-key {
  font-size: 13px;
  color: var(--ink-3);
}

.fact-val {
  font-size: 15px;
  color: var(--ink);
}

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

.hero-visual img {
  aspect-ratio: 4 / 3;
}

/* 本期要目 */

.toc-band {
  padding-top: 32px;
  padding-bottom: 32px;
  border-bottom: var(--line);
}

.toc-band .toc-list {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
}

.toc-band .toc-item {
  border-top: 3px solid var(--rule);
  padding-top: 10px;
}

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

.toc-no {
  font-family: var(--serif);
  font-size: 18px;
  color: var(--ink-3);
}

.toc-name {
  font-size: 15px;
  color: var(--ink);
}

.toc-tag {
  display: inline-block;
  font-size: 12px;
  color: var(--ink-2);
  align-self: flex-start;
}

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

/* 服务索引速览 */

.service-index {
  padding-top: 40px;
  padding-bottom: 40px;
  border-bottom: var(--line);
}

.index-grid {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 36px;
  align-items: start;
}

.category-rail {
  border-top: 3px solid var(--ink);
  padding-top: 12px;
}

.rail-title {
  font-size: 15px;
  margin-bottom: 10px;
}

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

.category-item {
  border-bottom: 1px solid var(--rule-soft);
}

.category-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 0;
  font-size: 14px;
  color: var(--ink-2);
  min-height: 44px;
}

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

.index-list-wrap {
  min-width: 0;
}

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

.index-row {
  display: grid;
  grid-template-columns: 54px minmax(0, 1.1fr) minmax(0, 1.4fr) auto;
  gap: 14px;
  align-items: center;
  padding: 14px 12px 14px 14px;
  border-bottom: 1px solid var(--rule-soft);
  border-left: 3px solid transparent;
}

.index-row:hover {
  border-left-color: var(--accent);
  background: var(--paper-soft);
}

.row-no {
  font-family: var(--serif);
  font-size: 15px;
  color: var(--ink-3);
}

.row-name {
  font-size: 16px;
  color: var(--ink);
}

.row-scope {
  font-size: 14px;
  color: var(--ink-2);
}

.row-link {
  font-size: 14px;
  white-space: nowrap;
}

/* 口径要点 */

.caliber {
  padding-top: 40px;
  padding-bottom: 40px;
  border-bottom: var(--line);
}

.caliber-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 40px;
  align-items: start;
}

.caliber-list {
  min-width: 0;
  border-top: 1px solid var(--rule);
}

.caliber-item {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule-soft);
}

.caliber-item .caliber-term {
  font-family: var(--serif);
  font-size: 16px;
  color: var(--ink);
}

.caliber-item .caliber-say {
  font-size: 15px;
  color: var(--ink-2);
}

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

.caliber-figure img {
  aspect-ratio: 3 / 2;
}

/* 场景路径预览 */

.paths {
  padding-top: 40px;
  padding-bottom: 40px;
  border-bottom: var(--line);
}

.path-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.path-card {
  border: var(--line);
  border-top: 4px solid var(--rule);
  border-radius: var(--radius);
  padding: 20px;
  background: var(--paper-soft);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.path-card.path-brand {
  border-top-color: var(--brand);
}

.path-card.path-space {
  border-top-color: var(--space);
}

.path-card.path-print {
  border-top-color: var(--print);
}

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

.path-scope,
.path-items,
.path-diff,
.path-advice {
  font-size: 14px;
  color: var(--ink-2);
  margin: 0;
}

.path-card .path-advice {
  border-top: 1px dashed var(--rule);
  padding-top: 8px;
}

.path-link {
  align-self: flex-start;
  margin-top: auto;
  font-size: 14px;
}

/* 交付标准摘要 */

.delivery {
  padding-top: 40px;
  padding-bottom: 40px;
  border-bottom: var(--line);
}

.delivery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.delivery-col {
  border: var(--line);
  border-radius: var(--radius);
  padding: 20px;
  background: var(--paper-soft);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.delivery-head {
  font-size: 17px;
}

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

.delivery-list li {
  font-size: 14px;
  color: var(--ink-2);
  padding-left: 14px;
  position: relative;
}

.delivery-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.delivery-link {
  align-self: flex-start;
  font-size: 14px;
  margin-top: auto;
}

/* 栏目编辑说明网格 */

.columns {
  padding-top: 40px;
  padding-bottom: 40px;
  border-bottom: var(--line);
}

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

.column-cell {
  border: var(--line);
  border-radius: var(--radius);
  padding: 18px;
  background: var(--paper-soft);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.cell-use {
  font-size: 14px;
  color: var(--ink-2);
  margin: 0;
}

.cell-link {
  align-self: flex-start;
  font-size: 14px;
  margin-top: auto;
}

/* 常见问题 */

.faq {
  padding-top: 40px;
  padding-bottom: 40px;
  border-bottom: var(--line);
}

.faq-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--rule);
}

.faq-item {
  border-bottom: 1px solid var(--rule-soft);
}

.faq-q,
.faq-question {
  display: block;
  padding: 14px 30px 14px 0;
  font-family: var(--serif);
  font-size: 16px;
  color: var(--ink);
  cursor: pointer;
  position: relative;
  min-height: 44px;
}

.faq-q::after,
.faq-question::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  color: var(--ink-3);
}

.faq-item[open] .faq-q::after,
.faq-item[open] .faq-question::after {
  content: "−";
}

.faq-a,
.faq-answer {
  font-size: 15px;
  color: var(--ink-2);
  padding: 0 24px 16px 0;
  max-width: 760px;
}

.faq-answer p {
  margin: 0;
}

/* 对接准备 */

.prepare {
  padding-top: 40px;
  padding-bottom: 44px;
}

.prepare-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 40px;
  align-items: start;
}

.prepare-list-wrap {
  min-width: 0;
}

.prepare-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--rule);
}

.prepare-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--rule-soft);
}

.prepare-head {
  font-size: 16px;
  margin-bottom: 4px;
}

.prepare-text {
  font-size: 14px;
  color: var(--ink-2);
  margin: 0;
}

.prepare-side {
  min-width: 0;
}

.prepare-figure {
  margin-bottom: 20px;
}

.prepare-figure img {
  aspect-ratio: 3 / 2;
}

.prepare-entries {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 内页 — 服务索引 */

.page-service-index .catalog {
  padding-top: 8px;
}

.catalog-group {
  padding: 22px 0;
  border-top: 1px solid var(--rule);
}

.group-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.group-swatch {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  flex: 0 0 auto;
  background: var(--rule);
}

.group-swatch--brand {
  background: var(--brand);
}

.group-swatch--space {
  background: var(--space);
}

.group-swatch--print {
  background: var(--print);
}

.group-swatch--digital {
  background: var(--digital);
}

.group-title {
  font-size: 19px;
}

.group-count {
  font-size: 13px;
  color: var(--ink-3);
  margin-left: auto;
}

.group-desc {
  font-size: 14px;
  color: var(--ink-2);
  max-width: 700px;
  margin-bottom: 12px;
}

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

.entry-row {
  display: grid;
  grid-template-columns: 48px minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px 10px 12px 12px;
  border-bottom: 1px solid var(--rule-soft);
  border-left: 3px solid transparent;
}

.entry-row:hover {
  border-left-color: var(--accent);
  background: var(--paper-soft);
}

.entry-no {
  font-family: var(--serif);
  font-size: 14px;
  color: var(--ink-3);
}

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

.entry-name {
  font-size: 15px;
  color: var(--ink);
}

.entry-fit,
.entry-form {
  font-size: 13px;
  color: var(--ink-2);
}

.entry-tag {
  font-size: 12px;
  color: var(--ink-2);
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 1px 8px;
  white-space: nowrap;
}

.entry-tag--brand {
  color: var(--brand);
  border-color: var(--brand);
}

.entry-tag--space {
  color: var(--space);
  border-color: var(--space);
}

.entry-tag--print {
  color: var(--print);
  border-color: var(--print);
}

.entry-tag--digital {
  color: var(--digital);
  border-color: var(--digital);
}

.guidance {
  padding-top: 34px;
}

.guidance-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-bottom: 26px;
}

.guidance-col {
  border: var(--line);
  border-radius: var(--radius);
  padding: 18px;
  background: var(--paper-soft);
}

.guidance-title {
  font-size: 16px;
  margin-bottom: 6px;
}

.guidance-fit {
  font-size: 14px;
  color: var(--ink-2);
}

.guidance-items {
  font-size: 14px;
  color: var(--ink-2);
}

.guidance-fields {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 4px 10px;
  border-top: 1px solid var(--rule-soft);
  padding-top: 10px;
  margin-top: 10px;
}

.guidance-key {
  font-size: 13px;
  color: var(--ink-3);
}

.guidance-val {
  font-size: 13px;
  color: var(--ink);
}

.catalog-figure {
  margin-top: 6px;
}

.catalog-figure img {
  aspect-ratio: 16 / 9;
}

.related-block {
  padding-top: 34px;
}

.related-block .related-list {
  border-top: 1px solid var(--rule);
}

.related-block .related-item {
  padding: 10px 0;
  border-bottom: 1px solid var(--rule-soft);
}

/* 内页 — 色彩口径 */

.page-color-caliber .apply-band {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
}

.apply-item {
  min-width: 0;
}

.apply-label {
  display: block;
  font-size: 13px;
  color: var(--ink-3);
  margin-bottom: 4px;
}

.apply-text {
  font-size: 15px;
  color: var(--ink);
  margin: 0;
}

.apply-note {
  grid-column: 1 / -1;
  font-size: 14px;
  color: var(--ink-2);
  border-left: 3px solid var(--rule);
  padding-left: 12px;
  margin: 0;
}

.caliber-table {
  padding-top: 8px;
}

.caliber-table .caliber-list {
  border-top: 1px solid var(--rule);
  margin-bottom: 26px;
}

.caliber-caption {
  caption-side: top;
  text-align: left;
  font-size: 13px;
  color: var(--ink-3);
  padding-bottom: 8px;
}

.caliber-list th,
.caliber-list td {
  text-align: left;
  padding: 12px 14px 12px 0;
  border-bottom: 1px solid var(--rule-soft);
  vertical-align: top;
  font-size: 14px;
}

.caliber-list thead th {
  font-family: var(--serif);
  font-size: 14px;
  color: var(--ink);
  border-bottom: 1px solid var(--rule);
}

.caliber-name {
  font-family: var(--serif);
  font-size: 15px;
  color: var(--ink);
  width: 22%;
}

.caliber-right {
  color: var(--ink);
  width: 40%;
}

.caliber-wrong {
  color: var(--ink-2);
}

.caliber-figure img {
  aspect-ratio: 16 / 9;
}

.judge-order {
  padding-top: 34px;
}

.judge-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.judge-col {
  border-top: 3px solid var(--rule);
  padding-top: 14px;
}

.judge-step {
  display: block;
  font-family: var(--serif);
  font-size: 13px;
  color: var(--ink-3);
  margin-bottom: 4px;
}

.judge-title {
  font-size: 16px;
  margin-bottom: 6px;
}

.judge-text {
  font-size: 14px;
  color: var(--ink-2);
}

.judge-tip {
  font-size: 13px;
  color: var(--ink-3);
  border-top: 1px dashed var(--rule);
  padding-top: 8px;
  margin: 0;
}

.caliber-fix {
  padding-top: 34px;
}

.caliber-fix-text {
  font-size: 15px;
  color: var(--ink-2);
  max-width: 700px;
  margin-bottom: 12px;
}

/* 内页 — 场景路径 */

.page-scenario-path .path-tabs {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 4px 24px 0;
}

.path-tabs-title {
  font-size: 15px;
  margin-bottom: 10px;
}

.path-tabs-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.path-tab-link {
  display: inline-block;
  padding: 9px 16px;
  border: var(--line);
  border-radius: 999px;
  font-size: 14px;
  color: var(--ink-2);
  background: var(--paper-soft);
  min-height: 44px;
  line-height: 1.6;
}

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

.path-table-section {
  padding-top: 30px;
}

.path-table {
  border-top: 1px solid var(--rule);
}

.path-table-caption {
  caption-side: top;
  text-align: left;
  font-size: 13px;
  color: var(--ink-3);
  padding-bottom: 8px;
}

.path-table th,
.path-table td {
  text-align: left;
  padding: 12px 14px 12px 0;
  border-bottom: 1px solid var(--rule-soft);
  font-size: 14px;
  vertical-align: top;
}

.path-table thead th {
  font-family: var(--serif);
  color: var(--ink);
  border-bottom: 1px solid var(--rule);
}

.path-table td:first-child {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.path-color {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--rule);
  flex: 0 0 auto;
}

.path-color--brand {
  background: var(--brand);
}

.path-color--space {
  background: var(--space);
}

.path-color--print {
  background: var(--print);
}

.path-color--digital {
  background: var(--digital);
}

.path-detail-list {
  padding-top: 36px;
}

.path-detail {
  border-top: 1px solid var(--rule);
  padding: 24px 0 8px;
}

.path-detail-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.path-detail-head h3 {
  font-size: 20px;
}

.path-detail-body {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.path-detail-media {
  min-width: 0;
}

.path-detail-media img {
  aspect-ratio: 4 / 3;
}

.path-detail-fields {
  min-width: 0;
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 8px 14px;
}

.path-field-name {
  font-family: var(--serif);
  font-size: 14px;
  color: var(--ink-3);
  padding-top: 2px;
}

.path-field-value {
  font-size: 14px;
  color: var(--ink-2);
}

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

.path-entry-list li {
  font-size: 14px;
  color: var(--ink-2);
}

.path-advice {
  padding-top: 34px;
}

.path-advice-head {
  font-size: 20px;
  margin-bottom: 14px;
}

.path-advice-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--rule);
  margin-bottom: 18px;
}

.path-advice-item {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule-soft);
}

.path-advice-text {
  font-size: 14px;
  color: var(--ink-2);
  margin: 0;
}

.path-advice-entries {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* 内页 — 交付标准 */

.page-delivery-standard .summary {
  padding-top: 8px;
}

.summary-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 36px;
  align-items: start;
}

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

.summary-main p {
  font-size: 15px;
  color: var(--ink-2);
}

.summary-scope {
  min-width: 0;
  border: var(--line);
  border-radius: var(--radius);
  padding: 18px;
  background: var(--paper-soft);
}

.subhead {
  font-size: 16px;
  margin-bottom: 8px;
}

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

.scope-list li {
  font-size: 14px;
  color: var(--ink-2);
  padding-left: 14px;
  position: relative;
}

.scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
}

.scope-exclude::before {
  background: var(--accent);
}

.deliverables,
.acceptance,
.rhythm,
.entries {
  padding-top: 34px;
}

.deliverable-list {
  border-top: 1px solid var(--rule);
}

.deliverable-item {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule-soft);
}

.deliverable-name {
  font-family: var(--serif);
  font-size: 15px;
  color: var(--ink);
}

.deliverable-desc {
  font-size: 14px;
  color: var(--ink-2);
}

.media-figure {
  margin-bottom: 22px;
}

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

.acceptance-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.acceptance-col {
  border-top: 3px solid var(--rule);
  padding-top: 12px;
  min-width: 0;
}

.acceptance-col p {
  font-size: 14px;
  color: var(--ink-2);
  margin: 0;
}

.rhythm-list {
  border-top: 1px solid var(--rule);
  counter-reset: rhythm;
}

.rhythm-step {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr) minmax(0, 1fr);
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule-soft);
  align-items: start;
}

.rhythm-step .step-name {
  font-size: 16px;
}

.rhythm-step .step-role,
.rhythm-step .step-confirm {
  font-size: 14px;
  color: var(--ink-2);
  margin: 0;
}

.entries .entry-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  border-top: 1px solid var(--rule);
  padding-top: 16px;
}

.entries .entry-item {
  font-size: 15px;
}

/* 内页 — 常见问题 */

.page-faq .page-head-media {
  max-width: 760px;
  margin-top: 16px;
}

.page-faq .page-head-media img {
  aspect-ratio: 16 / 9;
}

.faq-group {
  padding-top: 34px;
}

.faq-group .group-head {
  display: block;
  margin-bottom: 12px;
}

.faq-group .section-desc {
  font-size: 14px;
  color: var(--ink-2);
  max-width: 700px;
  margin: 0;
}

.page-faq .faq-list {
  max-width: 860px;
}

.entries-section {
  padding-top: 34px;
}

.entries-section .group-head {
  display: block;
  margin-bottom: 14px;
}

.entries-section .entry-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  border-top: 1px solid var(--rule);
  padding-top: 16px;
}

.entries-section .entry-item {
  font-size: 15px;
}

/* 内页 — 反馈与纠错 */

.page-feedback .scope-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 18px;
}

.scope-col {
  min-width: 0;
  border-top: 3px solid var(--rule);
  padding-top: 12px;
}

.scope-head {
  font-size: 16px;
  margin-bottom: 8px;
}

.scope-item {
  font-size: 14px;
  color: var(--ink-2);
  padding: 4px 0 4px 14px;
  position: relative;
}

.scope-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--rule);
}

.scope-figure {
  max-width: 760px;
  margin-top: 24px;
}

.scope-figure img {
  aspect-ratio: 16 / 9;
}

.feedback-types,
.feedback-flow,
.feedback-fields {
  padding-top: 34px;
}

.section-intro {
  font-size: 14px;
  color: var(--ink-2);
  max-width: 760px;
  margin-bottom: 18px;
}

.type-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.type-card {
  border: var(--line);
  border-left: 4px solid var(--rule);
  border-radius: var(--radius);
  padding: 18px 20px;
  background: var(--paper-soft);
  min-width: 0;
}

.type-card.type-caliber {
  border-left-color: var(--brand);
}

.type-card.type-service {
  border-left-color: var(--space);
}

.type-card.type-path {
  border-left-color: var(--digital);
}

.type-card.type-delivery {
  border-left-color: var(--print);
}

.type-head {
  font-size: 17px;
  margin-bottom: 6px;
}

.type-desc {
  font-size: 14px;
  color: var(--ink-2);
}

.type-fields {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 6px 12px;
  border-top: 1px solid var(--rule-soft);
  padding-top: 10px;
  margin-top: 10px;
}

.type-fields .field-name {
  font-size: 13px;
  color: var(--ink-3);
}

.type-fields .field-value {
  font-size: 13px;
  color: var(--ink);
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  border-top: 1px solid var(--rule);
  padding-top: 20px;
}

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

.flow-step .step-no {
  display: block;
  font-family: var(--serif);
  font-size: 13px;
  color: var(--ink-3);
  margin-bottom: 4px;
}

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

.flow-step .step-desc {
  font-size: 14px;
  color: var(--ink-2);
  margin: 0;
}

.fields-list {
  border-top: 1px solid var(--rule);
}

.field-row {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule-soft);
}

.field-row .field-name {
  font-family: var(--serif);
  font-size: 15px;
  color: var(--ink);
}

.field-row .field-value {
  font-size: 14px;
  color: var(--ink-2);
}

/* 404 */

.error-main {
  padding-bottom: 40px;
}

.error-panel {
  padding-top: 40px;
}

.error-code {
  font-family: var(--serif);
  font-size: 56px;
  color: var(--rule);
  margin: 0 0 8px;
  line-height: 1;
}

.error-title {
  font-size: 30px;
  margin-bottom: 12px;
}

.error-text {
  font-size: 16px;
  color: var(--ink-2);
  max-width: 620px;
  margin-bottom: 22px;
}

.error-entry-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  border-top: 1px solid var(--rule);
  padding-top: 16px;
  margin-bottom: 22px;
}

.error-entry-item {
  font-size: 15px;
}

.error-action {
  font-size: 15px;
}

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

@media (max-width: 960px) {
  .site-main > section,
  .site-main > div,
  .site-main > aside,
  .site-main > nav,
  .header-top,
  .subnav-band,
  .footer-links,
  .footer-brand,
  .footer-note,
  .breadcrumb,
  .page-header,
  .page-head,
  .page-layout {
    padding-left: 20px;
    padding-right: 20px;
  }

  .nav-toggle {
    display: block;
    margin-left: auto;
  }

  .site-nav {
    flex: 1 1 100%;
    justify-content: flex-start;
    order: 3;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    border-top: var(--line);
    margin-top: 6px;
  }

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

  .nav-item {
    border-bottom: 1px solid var(--rule-soft);
  }

  .nav-link {
    display: block;
    padding: 12px 4px;
    min-height: 44px;
  }

  .nav-link.is-current {
    border-bottom-color: transparent;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    padding-top: 32px;
  }

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

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

  .category-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px 16px;
  }

  .category-item {
    border-bottom: 0;
  }

  .category-link {
    padding: 6px 0;
  }

  .caliber-grid,
  .prepare-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
  }

  .path-grid,
  .delivery-grid,
  .column-grid,
  .guidance-grid,
  .judge-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-layout,
  .page-layout.sidebar-left {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
  }

  .page-layout.sidebar-left .page-toc {
    order: 2;
  }

  .page-toc {
    position: static;
  }

  .page-layout .page-body,
  .page-layout .content-main {
    order: 1;
  }

  .page-layout > .related,
  .page-layout > .related-panel {
    order: 3;
  }

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

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

  .entry-row {
    grid-template-columns: 44px minmax(0, 1fr) auto;
    gap: 8px 12px;
  }

  .entry-fit,
  .entry-form {
    grid-column: 2 / 3;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 15.5px;
  }

  .site-main > section,
  .site-main > div,
  .site-main > aside,
  .site-main > nav,
  .header-top,
  .subnav-band,
  .footer-links,
  .footer-brand,
  .footer-note,
  .breadcrumb,
  .page-header,
  .page-head,
  .page-layout {
    padding-left: 16px;
    padding-right: 16px;
  }

  .brand-block {
    flex-direction: column;
    gap: 2px;
  }

  .brand-link {
    font-size: 21px;
  }

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

  .section-head,
  .section-title {
    font-size: 19px;
  }

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

  .error-code {
    font-size: 44px;
  }

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

  .hero-facts {
    flex-direction: column;
    gap: 10px;
  }

  .index-row {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 6px 10px;
  }

  .row-scope {
    grid-column: 2 / 3;
  }

  .row-link {
    grid-column: 2 / 3;
    justify-self: start;
  }

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

  .path-grid,
  .delivery-grid,
  .column-grid,
  .guidance-grid,
  .judge-columns,
  .acceptance-grid,
  .flow-list,
  .type-grid,
  .scope-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .entry-row {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 6px 10px;
  }

  .entry-tag {
    grid-column: 2 / 3;
    justify-self: start;
  }

  .entry-row .entry-link {
    grid-column: 2 / 3;
    justify-self: start;
  }

  .field-bar {
    flex-direction: column;
    gap: 6px;
  }

  .caliber-list thead {
    display: none;
  }

  .caliber-list,
  .caliber-list tbody,
  .caliber-list tr,
  .caliber-list td {
    display: block;
    width: 100%;
  }

  .caliber-list tr {
    padding: 12px 0;
    border-bottom: 1px solid var(--rule-soft);
  }

  .caliber-list td {
    border-bottom: 0;
    padding: 2px 0;
  }

  .caliber-name {
    width: auto;
  }

  .path-table thead {
    display: none;
  }

  .path-table,
  .path-table tbody,
  .path-table tr,
  .path-table td {
    display: block;
    width: 100%;
  }

  .path-table tr {
    padding: 12px 0;
    border-bottom: 1px solid var(--rule-soft);
  }

  .path-table td {
    border-bottom: 0;
    padding: 2px 0;
  }

  .path-table td:first-child {
    white-space: normal;
  }

  .path-detail-fields,
  .guidance-fields,
  .type-fields,
  .field-row,
  .deliverable-item,
  .rhythm-step,
  .path-advice-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .footer-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 20px;
  }

  .prepare-entries,
  .path-advice-entries {
    flex-direction: column;
    align-items: stretch;
  }

  .prepare-entries .btn {
    text-align: center;
  }
}