/* ============================================================
   BASE
   ============================================================ */
:root {
  --color-bg: #F3F5F7;
  --color-text: #1E293B;
  --color-primary: #0F4C81;
  --color-warning: #D97706;
  --color-success: #16A34A;
  --color-border: #E2E8F0;
  --color-white: #FFFFFF;
  --color-text-light: #64748B;
  --color-text-lighter: #94A3B8;
  --color-bg-light: #F8FAFC;
  --font-stack: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --container-width: 1280px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 2px rgba(30, 41, 59, 0.06);
  --shadow-md: 0 4px 12px rgba(30, 41, 59, 0.08);
  --header-height: 64px;
  --gap-main: 32px;
}

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

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

body {
  font-family: var(--font-stack);
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #0a3558;
}

ul,
ol {
  list-style: none;
}

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

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

p {
  margin-bottom: 0.5rem;
}

/* ============================================================
   LAYOUT — 全站统一骨架
   ============================================================ */

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

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

.header-shell {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

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

.brand-link {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
}

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

.brand-name {
  display: inline-block;
}

.brand-slogan {
  font-size: 12px;
  color: var(--color-text-lighter);
  white-space: nowrap;
  line-height: 1.4;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
}

.toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

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

.nav-item {
  list-style: none;
}

.nav-link {
  display: block;
  padding: 8px 14px;
  font-size: 14px;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  line-height: 1.4;
}

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

.nav-item.is-current .nav-link,
.nav-link.is-current {
  color: var(--color-primary);
  font-weight: 600;
  background-color: rgba(15, 76, 129, 0.06);
}

.site-main {
  flex: 1 0 auto;
  width: 100%;
}

.inner-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px 64px;
  width: 100%;
}

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

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

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

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

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

/* 页面标题区 */
.page-header {
  margin-bottom: 32px;
}

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

.page-description {
  font-size: 15px;
  color: var(--color-text-light);
  max-width: 720px;
  line-height: 1.7;
}

/* 页脚 */
.site-footer {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}

.footer-shell {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px 24px 24px;
}

.footer-brand {
  margin-bottom: 32px;
}

.footer-slogan {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.footer-note {
  font-size: 13px;
  color: var(--color-text-light);
  max-width: 560px;
  line-height: 1.6;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding: 24px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 20px;
}

.footer-group-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
}

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

.footer-link {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.5;
}

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

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

.copyright {
  font-size: 13px;
  color: var(--color-text-lighter);
  line-height: 1.5;
}

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

/* 区块标题 */
.section-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: 8px;
}

.section-desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  max-width: 720px;
  margin-bottom: 0;
}

.section-head {
  margin-bottom: 20px;
}

.section-heading {
  margin-bottom: 16px;
}

.section-note {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-top: 6px;
}

.section-intro {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 16px;
  max-width: 720px;
}

/* 状态徽章 */
.status-badge {
  display: inline-block;
  padding: 2px 10px;
  font-size: 12px;
  font-weight: 500;
  border-radius: 999px;
  line-height: 1.6;
  white-space: nowrap;
}

.status-running {
  background-color: rgba(22, 163, 74, 0.12);
  color: var(--color-success);
  border: 1px solid rgba(22, 163, 74, 0.25);
}

.status-done {
  background-color: rgba(15, 76, 129, 0.08);
  color: var(--color-primary);
  border: 1px solid rgba(15, 76, 129, 0.2);
}

.status-warning {
  background-color: rgba(217, 119, 6, 0.12);
  color: var(--color-warning);
  border: 1px solid rgba(217, 119, 6, 0.25);
}

.status-pending {
  background-color: rgba(100, 116, 139, 0.1);
  color: var(--color-text-light);
  border: 1px solid rgba(100, 116, 139, 0.2);
}

.status-info {
  background-color: rgba(15, 76, 129, 0.08);
  color: var(--color-primary);
  border: 1px solid rgba(15, 76, 129, 0.2);
}

.status-active {
  background-color: rgba(22, 163, 74, 0.12);
  color: var(--color-success);
  border: 1px solid rgba(22, 163, 74, 0.25);
}

.status-cleared {
  background-color: rgba(100, 116, 139, 0.1);
  color: var(--color-text-light);
  border: 1px solid rgba(100, 116, 139, 0.2);
}

.status-watch {
  background-color: rgba(217, 119, 6, 0.12);
  color: var(--color-warning);
  border: 1px solid rgba(217, 119, 6, 0.25);
}

/* 数据表格 */
.table-wrap,
.table-wrapper {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 16px;
}

.data-table {
  width: 100%;
  font-size: 13px;
  line-height: 1.6;
}

.data-table thead th {
  background-color: var(--color-bg-light);
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
  font-size: 13px;
}

.data-table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
  color: var(--color-text);
}

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

.data-table tbody tr:hover {
  background-color: rgba(15, 76, 129, 0.03);
}

.data-table .table-note {
  padding: 8px 16px;
}

.table-note {
  font-size: 12px;
  color: var(--color-text-lighter);
  line-height: 1.6;
  padding: 8px 0 0;
  margin-bottom: 0;
}

/* 文本链接 */
.text-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  padding: 8px 0;
  line-height: 1.5;
}

.text-link:hover {
  color: #0a3558;
  text-decoration: underline;
}

/* 按钮 */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-md);
  line-height: 1.5;
  min-height: 44px;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

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

.btn-primary:hover {
  background-color: #0a3558;
  border-color: #0a3558;
  color: var(--color-white);
}

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

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

.btn-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  min-height: 40px;
  line-height: 1.5;
}

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

/* 相关链接入口 */
.related-links {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.related-links-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  margin-right: 12px;
}

.related-links-item {
  display: inline-block;
  font-size: 14px;
  color: var(--color-primary);
  margin-right: 20px;
  line-height: 1.6;
}

.related-links-item:hover {
  text-decoration: underline;
}

.related-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
}

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

.related-list a {
  font-size: 14px;
  color: var(--color-primary);
  line-height: 1.6;
}

.related-list a:hover {
  text-decoration: underline;
}

.related-link {
  display: inline-block;
  font-size: 14px;
  color: var(--color-primary);
  margin-right: 20px;
  line-height: 1.6;
}

.related-link:hover {
  text-decoration: underline;
}

/* 图片容器 */
figure {
  margin: 0;
}

figcaption {
  font-size: 12px;
  color: var(--color-text-lighter);
  line-height: 1.6;
  margin-top: 8px;
}

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

.home-main {
  width: 100%;
}

/* 首屏 */
.hero-section {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 64px 0 48px;
}

.hero-shell {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.hero-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 0;
}

.hero-subtitle {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 0;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.hero-media {
  display: block;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-bg-light);
}

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

.scroll-hint {
  max-width: var(--container-width);
  margin: 24px auto 0;
  padding: 0 24px;
  font-size: 13px;
  color: var(--color-text-lighter);
  text-align: center;
  line-height: 1.6;
}

/* 页内目录 */
.home-directory {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 20px 0;
}

.directory-shell {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.directory-inner {
  display: flex;
  align-items: flex-start;
  gap: 24px;
}

.directory-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  flex-shrink: 0;
  padding-top: 4px;
}

.directory-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 4px;
  flex: 1;
}

.directory-link {
  display: inline-block;
  padding: 6px 12px;
  font-size: 13px;
  color: var(--color-text-light);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-light);
  line-height: 1.4;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.directory-link:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* 通用 section 容器 */
.section-shell {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px;
}

/* 服务能力总览 */
.service-overview {
  background-color: var(--color-bg);
}

.service-overview .section-media {
  margin-top: 16px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-bg-light);
}

.service-overview .section-media img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

/* 当前专项 */
.active-project {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

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

.project-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.project-card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0;
}

.project-card-desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 12px;
  max-width: 720px;
}

/* 服务排期时间轴 */
.service-timeline {
  background-color: var(--color-bg);
}

.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

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

.timeline-node {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  min-width: 220px;
}

.timeline-period {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  font-family: var(--font-mono);
  line-height: 1.4;
}

.timeline-summary {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 0;
  flex: 1;
}

/* 材料清单 */
.material-section {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

/* 合作步骤 */
.cooperation-steps {
  background-color: var(--color-bg);
}

.steps-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  padding: 0;
}

.step-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 160px;
}

.step-num {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  font-family: var(--font-mono);
  line-height: 1.2;
}

.step-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0;
}

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

/* 结果查询 */
.result-check {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

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

.result-card {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.result-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.result-desc {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 0;
}

/* 今日观察摘要 */
.today-digest {
  background-color: var(--color-bg);
}

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

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

.digest-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.5;
}

.digest-link:hover {
  color: var(--color-primary);
}

.digest-note {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 0;
  flex-basis: 100%;
}

/* FAQ 预览 */
.faq-preview {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

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

.faq-item {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  padding: 16px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  line-height: 1.5;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  list-style: none;
}

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

.faq-question::after {
  content: "+";
  font-size: 18px;
  color: var(--color-text-lighter);
  flex-shrink: 0;
  line-height: 1;
}

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

.faq-answer {
  padding: 0 20px 16px;
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 0;
}

/* 站内反馈入口 */
.feedback-entry {
  background-color: var(--color-bg);
}

.feedback-desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  max-width: 640px;
  margin-bottom: 16px;
}

/* ============================================================
   PAGES — 内页通用布局
   ============================================================ */

/* 双栏布局：主内容在前，aside 在后 */
.page-layout.layout-sidebar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 32px;
  align-items: start;
  margin-top: 32px;
}

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

.layout-aside {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.aside-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
}

.aside-text {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 8px;
}

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

.aside-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.aside-link {
  font-size: 13px;
  color: var(--color-primary);
  line-height: 1.5;
}

.aside-link:hover {
  text-decoration: underline;
}

/* ============================================================
   PAGES — service.html
   ============================================================ */

.service-catalog {
  margin-bottom: 40px;
}

.service-filter {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.filter-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  margin-right: 4px;
}

.filter-tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: 12px;
  color: var(--color-text-light);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  line-height: 1.5;
  cursor: default;
}

.filter-tag:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.service-flow {
  margin-bottom: 40px;
}

.service-flow-media {
  margin-bottom: 16px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-bg-light);
}

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

.media-caption {
  font-size: 12px;
  color: var(--color-text-lighter);
  padding: 8px 4px;
  line-height: 1.6;
}

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

.flow-step {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-boundary .boundary-lead {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 16px;
}

.boundary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

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

.boundary-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
}

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

.boundary-list li {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.6;
  padding-left: 16px;
  position: relative;
}

.boundary-list li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.boundary-note {
  font-size: 13px;
  color: var(--color-text-lighter);
  line-height: 1.7;
  margin-bottom: 0;
}

.related-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-top: 40px;
}

.related-desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 16px;
}

.related-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ============================================================
   PAGES — process.html
   ============================================================ */

.process-steps {
  margin-bottom: 40px;
}

.process-steps-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.process-step {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  gap: 20px;
}

.process-step .step-number {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
  font-family: var(--font-mono);
  line-height: 1.2;
  flex-shrink: 0;
  min-width: 40px;
}

.process-step .step-content {
  flex: 1;
  min-width: 0;
}

.process-step .step-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.process-step .step-desc {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 12px;
}

.process-step .step-detail {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.process-step .step-prep {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 0;
  padding-left: 16px;
  position: relative;
}

.process-step .step-prep::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

.process-step .step-output {
  font-size: 13px;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: 0;
  padding-left: 16px;
  position: relative;
}

.process-step .step-output::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

.prepare-table-section {
  margin-bottom: 40px;
}

.process-figure {
  margin-bottom: 40px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-bg-light);
}

.process-figure .content-image {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.process-figure figcaption {
  padding: 8px 4px;
}

.material-table-section {
  margin-bottom: 40px;
}

.rules-entry {
  margin-bottom: 40px;
}

.entry-text {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 0;
}

.entry-text a {
  font-weight: 500;
}

/* ============================================================
   PAGES — projects.html
   ============================================================ */

.filter-tags {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.tag-filter {
  display: inline-block;
  padding: 6px 16px;
  font-size: 13px;
  color: var(--color-text-light);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  cursor: pointer;
  line-height: 1.5;
  min-height: 36px;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.tag-filter:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.tag-filter.is-active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.project-table-section {
  margin-bottom: 40px;
}

.review-summary-section {
  margin-bottom: 40px;
}

.review-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

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

.review-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.review-card-text {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 0;
}

.review-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-bg-light);
  margin-bottom: 16px;
}

.review-figure img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.review-figure figcaption {
  padding: 8px 4px;
}

.archive-entry-block {
  margin-bottom: 40px;
}

.entry-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  margin-top: 8px;
  line-height: 1.5;
}

.entry-link:hover {
  text-decoration: underline;
}

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

/* ============================================================
   PAGES — today.html
   ============================================================ */

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

.today-table-wrap {
  margin-bottom: 8px;
}

.today-table .cell-time {
  font-family: var(--font-mono);
  font-size: 13px;
  white-space: nowrap;
}

.today-table .cell-status {
  white-space: nowrap;
}

.today-table .cell-focus {
  min-width: 200px;
}

.today-table .cell-conclusion {
  min-width: 240px;
}

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

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

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

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

.method-paragraph:last-child {
  margin-bottom: 0;
}

.method-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-bg-light);
}

.method-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.figure-caption {
  padding: 8px 4px;
}

.archive-entry {
  margin-bottom: 40px;
}

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

.entry-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

/* ============================================================
   PAGES — rules.html
   ============================================================ */

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

.rules-section-head {
  margin-bottom: 16px;
}

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

.boundary-note {
  margin-bottom: 16px;
}

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

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

.boundary-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-bg-light);
}

.boundary-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

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

.query-head {
  margin-bottom: 16px;
}

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

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

.query-item-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.query-item-text {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 0;
}

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

.related-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
}

/* ============================================================
   PAGES — archive.html
   ============================================================ */

.archive-timeline-section {
  margin-bottom: 40px;
}

.archive-timeline-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.archive-timeline-list .timeline-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
  position: relative;
  padding-left: 24px;
}

.archive-timeline-list .timeline-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-primary);
}

.archive-timeline-list .timeline-item:last-child {
  border-bottom: none;
}

.archive-entry {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  min-width: 0;
}

.entry-period {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  font-family: var(--font-mono);
  line-height: 1.4;
}

.entry-time {
  font-size: 12px;
  color: var(--color-text-lighter);
  line-height: 1.5;
}

.tag {
  display: inline-block;
  padding: 2px 10px;
  font-size: 12px;
  color: var(--color-primary);
  background-color: rgba(15, 76, 129, 0.08);
  border-radius: 999px;
  line-height: 1.6;
  align-self: flex-start;
  margin-top: 4px;
}

.entry-summary {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 0;
}

.archive-note-section {
  margin-bottom: 40px;
}

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

.note-content p:last-child {
  margin-bottom: 0;
}

.archive-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-bg-light);
  margin-top: 40px;
}

.archive-figure img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.archive-figure figcaption {
  padding: 8px 4px;
}

/* ============================================================
   PAGES — faq.html
   ============================================================ */

.page-layout.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 32px;
  align-items: start;
}

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

.tag-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.tag-item {
  display: inline-block;
  padding: 4px 12px;
  font-size: 12px;
  color: var(--color-text-light);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  line-height: 1.5;
}

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

.faq-section .faq-item {
  margin-bottom: 8px;
}

.faq-question .faq-tag {
  display: inline-block;
  padding: 1px 8px;
  font-size: 11px;
  color: var(--color-text-light);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  margin-right: 8px;
  line-height: 1.5;
  flex-shrink: 0;
}

.sidebar-right {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.sidebar-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
}

.sidebar-text {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 12px;
}

.sidebar-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  line-height: 1.5;
}

.sidebar-link:hover {
  text-decoration: underline;
}

.sidebar-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-bg-light);
}

.sidebar-figure img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.sidebar-figure figcaption {
  padding: 8px 4px;
}

/* ============================================================
   PAGES — about.html
   ============================================================ */

.about-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-bg-light);
  margin-bottom: 32px;
}

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

.about-media-caption {
  padding: 8px 4px;
}

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

.role-table .table-note {
  padding: 8px 16px;
  background-color: var(--color-bg-light);
  border-top: 1px solid var(--color-border);
  font-size: 12px;
  color: var(--color-text-lighter);
  margin-bottom: 0;
}

.content-links-section {
  margin-bottom: 40px;
}

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

.content-link-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.content-link-card .card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0;
}

.content-link-card .card-text {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 0;
  flex: 1;
}

.content-link-card .card-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-primary);
  line-height: 1.5;
  align-self: flex-start;
}

.content-link-card .card-link:hover {
  text-decoration: underline;
}

.feedback-note-section {
  margin-bottom: 40px;
}

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

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

.feedback-text:last-of-type {
  margin-bottom: 16px;
}

.feedback-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  line-height: 1.5;
}

.feedback-link:hover {
  text-decoration: underline;
}

.back-entry {
  margin-bottom: 40px;
}

.back-text {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 0;
}

.back-link {
  font-weight: 500;
}

/* ============================================================
   PAGES — 404.html
   ============================================================ */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 64px 24px;
  min-height: 60vh;
}

.error-panel {
  text-align: center;
  max-width: 480px;
  width: 100%;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 48px 32px;
}

.error-code {
  font-size: 64px;
  font-weight: 700;
  color: var(--color-primary);
  font-family: var(--font-mono);
  line-height: 1.2;
  margin-bottom: 8px;
}

.error-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
}

.error-desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 24px;
}

.error-home-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 500;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  min-height: 44px;
  line-height: 1.5;
}

.error-home-link:hover {
  background-color: #0a3558;
  color: var(--color-white);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* ≥1024px 桌面默认 */

/* 1024px */
@media (max-width: 1024px) {
  .hero-shell {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero-media img {
    height: 260px;
  }

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

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

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

  .page-layout.layout-sidebar,
  .page-layout.faq-layout {
    grid-template-columns: 1fr;
  }

  .layout-aside,
  .sidebar-right {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .layout-aside .aside-card,
  .sidebar-right .feedback-card,
  .sidebar-right .sidebar-figure {
    margin-bottom: 0;
  }

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

/* 768px */
@media (max-width: 768px) {
  .header-shell {
    padding: 0 16px;
  }

  .brand-slogan {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-list {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-white);
    flex-direction: column;
    align-items: stretch;
    padding: 8px 16px 16px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    display: none;
    gap: 0;
  }

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

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

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

  .nav-link {
    padding: 12px 8px;
    font-size: 15px;
  }

  .inner-main {
    padding: 16px 16px 48px;
  }

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

  .section-shell {
    padding: 32px 16px;
  }

  .hero-section {
    padding: 40px 0 32px;
  }

  .hero-shell {
    padding: 0 16px;
  }

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

  .hero-media img {
    height: 200px;
  }

  .directory-inner {
    flex-direction: column;
    gap: 12px;
  }

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

  .step-item {
    min-height: 0;
  }

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

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

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

  .query-list {
    grid-template-columns: 1fr;
  }

  .footer-links {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-shell {
    padding: 32px 16px 20px;
  }

  .timeline-item {
    flex-direction: column;
    gap: 8px;
  }

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

  .process-step {
    flex-direction: column;
    gap: 12px;
  }

  .process-step .step-number {
    font-size: 24px;
  }

  .layout-aside,
  .sidebar-right {
    grid-template-columns: 1fr;
  }

  .content-link-grid {
    grid-template-columns: 1fr;
  }

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

/* 480px */
@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

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

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

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

  .data-table thead th,
  .data-table tbody td {
    padding: 10px 12px;
  }

  .data-table {
    font-size: 12px;
  }

  .timeline-period {
    font-size: 13px;
  }

  .scroll-hint {
    font-size: 12px;
  }

  .digest-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .digest-note {
    flex-basis: auto;
  }

  .related-links-item {
    display: block;
    margin-bottom: 8px;
  }

  .related-link {
    display: block;
    margin-bottom: 8px;
  }

  .filter-tags {
    gap: 6px;
  }

  .tag-filter {
    padding: 6px 12px;
    font-size: 12px;
  }
}