/* ==========================================================================
   武汉天美传媒 · 全站样式
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base
   -------------------------------------------------------------------------- */
:root {
  --paper: #f6f3ec;
  --paper-soft: #efeadd;
  --ink-green: #23473b;
  --ink-green-deep: #1a352c;
  --sand: #d9c7a7;
  --sand-soft: #e8ddc8;
  --route-orange: #c96a3d;
  --route-orange-soft: #e2a584;
  --mist-blue: #afc4c5;
  --ink: #1e2722;
  --ink-soft: #4a544c;
  --line: #cfc7b8;
  --line-soft: #e2dbcd;
  --white: #ffffff;
  --radius: 8px;
  --radius-sm: 4px;
  --shadow-soft: 0 1px 2px rgba(30, 39, 34, 0.06), 0 8px 24px rgba(30, 39, 34, 0.05);
  --font-sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
  --font-mono: "SFMono-Regular", "JetBrains Mono", Consolas, "Liberation Mono", Menlo, monospace;
  --container: 1180px;
  --content-narrow: 760px;
  --aside-width: 300px;
  --gap-lg: 48px;
  --gap-md: 28px;
  --gap-sm: 16px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink);
  background-color: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 0.6em;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink-green);
}

h3,
h4,
h5,
h6 {
  font-weight: 600;
}

p {
  margin: 0 0 1em;
  max-width: 42em;
}

ul,
ol {
  margin: 0 0 1em;
  padding: 0;
  list-style: none;
}

li {
  margin: 0;
}

a {
  color: var(--ink-green);
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease;
}

a:hover {
  color: var(--route-orange);
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--route-orange);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

figure {
  margin: 0;
}

figcaption {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
}

table {
  border-collapse: collapse;
  width: 100%;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--ink-green);
  color: var(--white);
  border-radius: var(--radius-sm);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 12px;
  color: var(--white);
}

/* --------------------------------------------------------------------------
   layout · 全站骨架
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(246, 243, 236, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: saturate(1.2) blur(6px);
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px 32px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
  color: var(--ink-green);
  flex: 0 0 auto;
}

.brand:hover {
  color: var(--ink-green);
}

.brand-name {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.brand-tagline {
  font-size: 12px;
  line-height: 1.4;
  color: var(--ink-soft);
  max-width: 260px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: transparent;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  margin-left: auto;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--ink-green);
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-left: auto;
  flex: 1 1 auto;
  justify-content: flex-end;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  flex-wrap: wrap;
}

.nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 6px 12px;
  font-size: 15px;
  color: var(--ink-soft);
  border-radius: var(--radius-sm);
  border-bottom: 2px solid transparent;
}

.nav-list a:hover {
  color: var(--ink-green);
  background-color: var(--paper-soft);
}

.nav-list a.is-current {
  color: var(--ink-green);
  font-weight: 600;
  border-bottom-color: var(--route-orange);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 6px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-green);
  border: 1.5px solid var(--ink-green);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  flex: 0 0 auto;
}

.nav-cta:hover {
  background-color: var(--ink-green);
  color: var(--white);
}

.nav-cta.is-current {
  background-color: var(--ink-green);
  color: var(--white);
}

.site-main {
  display: block;
}

.inner-main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px 72px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-soft);
  padding: 24px 0 8px;
}

.breadcrumb a {
  color: var(--ink-soft);
  padding: 4px 0;
}

.breadcrumb a:hover {
  color: var(--route-orange);
  text-decoration: underline;
}

.breadcrumb-sep {
  color: var(--line);
}

.breadcrumb-current {
  color: var(--ink-green);
  font-weight: 600;
}

.page-header {
  padding: 8px 0 20px;
  border-bottom: 1px solid var(--line-soft);
  margin-bottom: 32px;
}

.page-title {
  margin: 0;
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 700;
  line-height: 1.24;
  color: var(--ink-green);
  max-width: 24em;
}

/* 页脚 */
.site-footer {
  background-color: var(--ink-green-deep);
  color: #e7e2d5;
  margin-top: 64px;
}

.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 56px 32px 32px;
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr) 1.2fr;
  gap: 32px 28px;
}

.footer-brand {
  grid-column: 1;
}

.footer-brand-name {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 10px;
}

.footer-brand-desc {
  font-size: 13px;
  line-height: 1.7;
  color: #c2cbbf;
  max-width: 22em;
  margin: 0;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col-title {
  margin: 0 0 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--sand);
  letter-spacing: 0.04em;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
}

.footer-col a {
  display: inline-block;
  min-height: 28px;
  font-size: 14px;
  color: #dfe3d8;
}

.footer-col a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-col-note p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: #c2cbbf;
  max-width: 22em;
}

.footer-bottom {
  border-top: 1px solid rgba(217, 199, 167, 0.22);
}

.footer-bottom p {
  max-width: var(--container);
  margin: 0 auto;
  padding: 18px 32px;
  font-size: 13px;
  color: #b6bfb2;
}

/* --------------------------------------------------------------------------
   components · 通用组件
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 26px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background-color: var(--route-orange);
  color: var(--white);
  border-color: var(--route-orange);
}

.btn-primary:hover {
  background-color: #b55a30;
  border-color: #b55a30;
  color: var(--white);
}

.btn-ghost {
  background-color: transparent;
  color: var(--ink-green);
  border-color: var(--ink-green);
}

.btn-ghost:hover {
  background-color: var(--ink-green);
  color: var(--white);
}

.btn-light {
  background-color: var(--paper);
  color: var(--ink-green);
  border-color: var(--paper);
}

.btn-light:hover {
  background-color: var(--sand);
  border-color: var(--sand);
  color: var(--ink-green-deep);
}

.section-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

.section-head {
  max-width: 760px;
  margin-bottom: 28px;
}

.section-head h2 {
  font-size: clamp(22px, 2.4vw, 30px);
  margin: 0 0 10px;
}

.section-sub {
  margin: 0;
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.section-title {
  font-size: clamp(22px, 2.4vw, 30px);
  margin: 0 0 10px;
}

.section-intro,
.section-note,
.section-desc {
  margin: 0 0 22px;
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.7;
  max-width: 46em;
}

.section-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  margin-top: 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--route-orange);
  border-bottom: 1.5px solid transparent;
}

.section-more::after {
  content: "→";
  transition: transform 0.18s ease;
}

.section-more:hover {
  color: var(--route-orange);
  border-bottom-color: var(--route-orange);
}

.section-more:hover::after {
  transform: translateX(3px);
}

/* 比较表 */
.compare-table {
  width: 100%;
  font-size: 15px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.compare-table thead th {
  padding: 14px 16px;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-green);
  background-color: var(--sand-soft);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.compare-table tbody td {
  padding: 16px;
  vertical-align: top;
  border-bottom: 1px solid var(--line-soft);
  color: var(--ink);
  line-height: 1.65;
}

.compare-table tbody tr:last-child td {
  border-bottom: none;
}

.compare-table tbody tr:hover td {
  background-color: var(--paper-soft);
}

.compare-table tbody td:first-child {
  font-weight: 600;
  color: var(--ink-green);
}

/* 折叠问答 */
.faq-item {
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 52px;
  padding: 16px 20px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-green);
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-size: 20px;
  font-weight: 400;
  color: var(--route-orange);
  line-height: 1;
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item[open] summary {
  border-bottom: 1px solid var(--line-soft);
}

.faq-item summary:hover {
  background-color: var(--paper-soft);
}

.faq-answer {
  padding: 16px 20px 20px;
}

.faq-answer p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

/* 侧栏通用 */
.aside-title {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--ink-green);
}

.aside-block {
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 20px;
}

.aside-block-title {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 10px;
  color: var(--ink-green);
}

.aside-order-list {
  margin: 0;
  padding: 0;
  counter-reset: aside-order;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.aside-order-list li {
  position: relative;
  padding-left: 26px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-soft);
  counter-increment: aside-order;
}

.aside-order-list li::before {
  content: counter(aside-order);
  position: absolute;
  left: 0;
  top: 1px;
  width: 18px;
  height: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 18px;
  text-align: center;
  color: var(--route-orange);
  border: 1px solid var(--route-orange-soft);
  border-radius: 50%;
}

.aside-cta {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  margin-top: 6px;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  background-color: var(--ink-green);
  border-radius: var(--radius-sm);
}

.aside-cta:hover {
  background-color: var(--route-orange);
  color: var(--white);
}

.aside-block-cta {
  background-color: var(--sand-soft);
  border-color: var(--sand);
}

.aside-block-cta p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
  margin: 0 0 12px;
}

/* 内页两栏 */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--aside-width);
  gap: var(--gap-lg);
  align-items: start;
}

.layout-main,
.page-main-col,
.page-content {
  min-width: 0;
}

.layout-aside,
.layout-side,
.page-sidebar,
.page-aside {
  min-width: 0;
  position: sticky;
  top: 96px;
}

.layout-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--aside-width);
  gap: var(--gap-lg);
  align-items: start;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px 72px;
}

/* 内页标题区（不同页面的头部说明块统一风格） */
.page-head {
  padding: 0 0 12px;
  margin-bottom: 8px;
}

.page-head-kicker,
.page-hero-eyebrow,
.page-hero-kicker,
.page-kicker,
.page-eyebrow {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--route-orange);
  text-transform: none;
}

.page-head-lead,
.page-hero-lead,
.page-lead {
  margin: 0 0 12px;
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink);
  max-width: 46em;
}

.page-head-scope,
.page-hero-scope,
.page-scope,
.page-scope-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  max-width: 46em;
}

.page-intro {
  padding: 0 0 12px;
  margin-bottom: 8px;
}

/* 图片容器通用约束 */
.hero-figure,
.topic-thumb,
.prep-figure,
.route-figure,
.goal-detail-media,
.topic-article-media,
.prep-confirm-figure,
.route-node-figure,
.collab-figure,
.aside-figure {
  overflow: hidden;
  border-radius: var(--radius);
  background-color: var(--paper-soft);
}

.hero-figure img,
.topic-thumb img,
.prep-figure img,
.route-figure img,
.goal-detail-media img,
.topic-article-media img,
.prep-confirm-figure img,
.route-node-figure img,
.collab-figure img,
.aside-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --------------------------------------------------------------------------
   pages · 首页
   -------------------------------------------------------------------------- */
.home-main {
  display: block;
}

/* 首屏 */
.hero {
  padding: 56px 0 64px;
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 56px;
  align-items: start;
}

.hero-lead {
  min-width: 0;
  padding-top: 8px;
}

.hero-kicker {
  margin: 0 0 16px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--route-orange);
}

.hero h1 {
  margin: 0 0 20px;
  font-size: clamp(32px, 4.4vw, 52px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--ink-green);
}

.hero-summary {
  margin: 0 0 28px;
  font-size: 17px;
  line-height: 1.78;
  color: var(--ink-soft);
  max-width: 34em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.hero-source {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
  padding-left: 14px;
  border-left: 2px solid var(--sand);
  max-width: 30em;
}

.hero-visual {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-figure {
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
}

.hero-figure figcaption {
  padding: 10px 14px;
  background-color: var(--white);
  border-top: 1px solid var(--line-soft);
}

.capability-matrix {
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

.matrix-title {
  margin: 0 0 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-green);
  letter-spacing: 0.04em;
}

.matrix-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}

.matrix-item {
  padding: 12px 14px;
  background-color: var(--paper-soft);
  border-left: 3px solid var(--route-orange);
  border-radius: var(--radius-sm);
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink);
}

.matrix-axis {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--route-orange);
  margin-bottom: 4px;
}

.matrix-desc {
  display: block;
  font-size: 13px;
  color: var(--ink-soft);
}

/* 传播目标选择条 */
.goal-strip {
  padding: 56px 0;
  background-color: var(--paper);
}

.goal-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
}

.goal-card {
  min-width: 0;
}

.goal-card a {
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  padding: 22px 20px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.goal-card a:hover {
  border-color: var(--route-orange);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
  color: var(--ink-green);
}

.goal-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink-green);
}

.goal-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-soft);
}

/* 服务方向比较带 */
.service-compare {
  padding: 56px 0;
  background-color: var(--sand-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.compare-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: var(--gap-md);
  align-items: start;
}

.compare-main {
  min-width: 0;
}

.compare-aside {
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  min-width: 0;
}

.compare-aside h3 {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-green);
}

.compare-aside p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
  margin: 0 0 14px;
}

.aside-steps {
  counter-reset: aside-steps;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0 0 16px;
}

.aside-steps li {
  position: relative;
  padding-left: 28px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink);
  counter-increment: aside-steps;
}

.aside-steps li::before {
  content: counter(aside-steps);
  position: absolute;
  left: 0;
  top: 0;
  width: 20px;
  height: 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 20px;
  text-align: center;
  color: var(--white);
  background-color: var(--route-orange);
  border-radius: 50%;
}

.aside-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  font-size: 14px;
  font-weight: 600;
  color: var(--route-orange);
  border-bottom: 1.5px solid transparent;
}

.aside-link:hover {
  border-bottom-color: var(--route-orange);
  color: var(--route-orange);
}

/* 制作路线地图 */
.route-map {
  padding: 56px 0;
  background-color: var(--paper);
}

.route-track {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin: 0 0 28px;
  counter-reset: route-node;
}

.route-map .route-node {
  position: relative;
  padding: 20px 16px 18px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
  counter-increment: route-node;
}

.route-map .route-node::after {
  content: "";
  position: absolute;
  top: 34px;
  right: -8px;
  width: 14px;
  height: 2px;
  background-color: var(--line);
}

.route-map .route-node:last-child::after {
  display: none;
}

.route-index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--route-orange);
  margin-bottom: 8px;
}

.route-name {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-green);
}

.route-line {
  margin: 0 0 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.route-line:last-child {
  margin-bottom: 0;
}

.route-figure {
  aspect-ratio: 21 / 9;
  border: 1px solid var(--line);
  max-width: 100%;
}

.route-figure figcaption {
  padding: 10px 14px;
  background-color: var(--white);
  border-top: 1px solid var(--line-soft);
}

/* 内容专题摘录 */
.topic-excerpt {
  padding: 56px 0;
  background-color: var(--paper-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.topic-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--line);
}

.topic-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 200px;
  gap: 32px;
  align-items: center;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.topic-text {
  min-width: 0;
}

.topic-title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink-green);
}

.topic-scene {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.topic-link {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  font-size: 14px;
  font-weight: 600;
  color: var(--route-orange);
  border-bottom: 1.5px solid transparent;
}

.topic-link::after {
  content: "→";
  margin-left: 6px;
}

.topic-link:hover {
  border-bottom-color: var(--route-orange);
  color: var(--route-orange);
}

.topic-thumb {
  aspect-ratio: 16 / 10;
  border: 1px solid var(--line);
}

/* 项目准备摘要 */
.prep-summary {
  padding: 56px 0;
  background-color: var(--paper);
}

.prep-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: var(--gap-md);
  align-items: start;
}

.prep-main {
  min-width: 0;
}

.prep-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  counter-reset: prep-item;
}

.prep-item {
  position: relative;
  padding: 16px 18px 16px 56px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  counter-increment: prep-item;
}

.prep-item::before {
  content: counter(prep-item, decimal-leading-zero);
  position: absolute;
  left: 18px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--route-orange);
}

.prep-name {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-green);
  margin-bottom: 2px;
}

.prep-use {
  display: block;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.prep-figure {
  aspect-ratio: 3 / 4;
  border: 1px solid var(--line);
}

.prep-figure figcaption {
  padding: 10px 14px;
  background-color: var(--white);
  border-top: 1px solid var(--line-soft);
}

/* 常见问题摘要 */
.faq-summary {
  padding: 56px 0;
  background-color: var(--paper-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: var(--gap-md);
  align-items: start;
}

.faq-main {
  min-width: 0;
}

.faq-aside {
  background-color: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--route-orange);
  border-radius: var(--radius);
  padding: 22px;
}

.faq-aside h3 {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-green);
}

.faq-aside p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* 合作资料入口 */
.collab-band {
  padding: 64px 0;
  background-color: var(--ink-green);
  color: #e8e4d6;
}

.collab-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 48px;
  align-items: center;
}

.collab-text {
  min-width: 0;
}

.collab-text h2 {
  margin: 0 0 14px;
  font-size: clamp(22px, 2.4vw, 30px);
  color: #ffffff;
}

.collab-text p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.75;
  color: #d4dcd0;
  max-width: 40em;
}

.collab-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 24px;
  margin: 0;
}

.collab-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.65;
  color: #e2e8de;
}

.collab-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 2px;
  background-color: var(--route-orange-soft);
}

.collab-action {
  min-width: 0;
  padding: 26px;
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(217, 199, 167, 0.28);
  border-radius: var(--radius);
}

.collab-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: #c2cbbf;
}

/* --------------------------------------------------------------------------
   pages · 传播目标对照
   -------------------------------------------------------------------------- */
.page-goal-map .page-head {
  margin-bottom: 24px;
}

.goal-picker {
  padding: 0 0 40px;
}

.goal-picker-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
}

.goal-picker-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  height: 100%;
  padding: 18px 18px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.goal-picker-item:hover {
  border-color: var(--route-orange);
  box-shadow: var(--shadow-soft);
  color: var(--ink-green);
}

.goal-picker-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-green);
}

.goal-picker-scene {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.goal-compare {
  margin-bottom: 48px;
}

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius);
}

.table-scroll .compare-table {
  min-width: 620px;
}

.goal-details {
  margin-bottom: 48px;
}

.goal-detail {
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
}

.goal-detail-head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--line-soft);
  background-color: var(--paper-soft);
}

.goal-detail-index {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
  background-color: var(--route-orange);
  border-radius: 50%;
}

.goal-detail-head h3 {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  color: var(--ink-green);
}

.goal-detail-media {
  aspect-ratio: 16 / 6;
  border-bottom: 1px solid var(--line-soft);
}

.goal-detail-body {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  padding: 24px;
}

.goal-detail-col {
  min-width: 0;
}

.goal-detail-col h4 {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--route-orange);
  letter-spacing: 0.02em;
}

.goal-detail-col p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.next-steps {
  padding: 0;
}

.next-steps-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
}

.next-step-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  padding: 20px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.next-step-card:hover {
  border-color: var(--route-orange);
  transform: translateY(-2px);
  color: var(--ink-green);
}

.next-step-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-green);
}

.next-step-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-soft);
}

.goal-aside {
  top: 96px;
}

/* --------------------------------------------------------------------------
   pages · 制作路线
   -------------------------------------------------------------------------- */
.page-hero {
  padding: 0 0 12px;
  margin-bottom: 8px;
}

.route-summary {
  padding: 0 0 48px;
}

.route-summary-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  counter-reset: route-summary;
}

.route-summary-item {
  position: relative;
  padding: 18px 16px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--route-orange);
  border-radius: var(--radius);
  min-width: 0;
  counter-increment: route-summary;
}

.route-node-no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--route-orange);
  margin-bottom: 8px;
}

.route-summary-name {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-green);
}

.route-summary-out {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.route-nodes {
  padding: 0 0 48px;
}

.route-nodes .route-node {
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
}

.route-node-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 20px 24px;
  background-color: var(--paper-soft);
  border-bottom: 1px solid var(--line-soft);
}

.route-node-head h3 {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  color: var(--ink-green);
}

.route-node-tag {
  margin: 0 0 0 auto;
  font-size: 13px;
  color: var(--ink-soft);
  padding: 4px 12px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: 20px;
}

.route-node-body {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 32px;
  padding: 24px;
}

.route-node-main {
  min-width: 0;
}

.route-node-side {
  min-width: 0;
}

.route-sub-title {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--route-orange);
  letter-spacing: 0.02em;
}

.route-node-main p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.route-node-main p:last-child {
  margin-bottom: 0;
}

.route-confirm-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0 0 18px;
}

.route-confirm-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink);
}

.route-confirm-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 2px;
  background-color: var(--route-orange);
}

.route-node-figure {
  aspect-ratio: 16 / 10;
  border: 1px solid var(--line);
}

.route-node-figure figcaption {
  padding: 8px 12px;
  font-size: 12px;
  background-color: var(--paper-soft);
  border-top: 1px solid var(--line-soft);
}

.route-delay {
  padding: 0 0 48px;
}

.route-delay-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.route-delay-item {
  padding: 22px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--route-orange);
  border-radius: var(--radius);
  min-width: 0;
}

.route-delay-name {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-green);
}

.route-delay-cause,
.route-delay-action {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.route-delay-action {
  margin-bottom: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  color: var(--ink-green);
  font-weight: 500;
}

.route-next {
  padding: 0 0 24px;
}

.route-next-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
}

.route-next-item {
  min-width: 0;
}

.route-next-item a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  height: 100%;
  padding: 20px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.route-next-item a:hover {
  border-color: var(--route-orange);
  transform: translateY(-2px);
  color: var(--ink-green);
}

.route-next-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-green);
}

.route-next-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   pages · 内容专题
   -------------------------------------------------------------------------- */
.topics-index {
  margin-bottom: 48px;
}

.topics-index-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--line);
}

.topics-index-item {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr) 120px;
  gap: 16px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  min-width: 0;
}

.topics-index-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--route-orange);
  letter-spacing: 0.04em;
}

.topics-index-item a {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-green);
  min-width: 0;
}

.topics-index-item a:hover {
  color: var(--route-orange);
  text-decoration: underline;
}

.topics-index-dir {
  font-size: 13px;
  color: var(--ink-soft);
  text-align: right;
}

.topic-article {
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 32px;
}

.topic-article-head {
  padding: 26px 28px 20px;
  border-bottom: 1px solid var(--line-soft);
}

.topic-article-tag {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--route-orange);
}

.topic-article-head h2 {
  margin: 0 0 10px;
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 700;
  color: var(--ink-green);
}

.topic-article-lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
  max-width: 46em;
}

.topic-article-media {
  aspect-ratio: 16 / 7;
  border-bottom: 1px solid var(--line-soft);
}

.topic-article-media figcaption {
  padding: 10px 14px;
  background-color: var(--paper-soft);
  border-top: 1px solid var(--line-soft);
}

.topic-article-body {
  padding: 24px 28px 28px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.topic-block h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-green);
}

.topic-block p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 42em;
}

.topics-next {
  margin-bottom: 24px;
}

.topics-next-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
}

.topics-next-list li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
}

.topics-next-list a {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-green);
}

.topics-next-list a:hover {
  color: var(--route-orange);
}

.topics-next-list span {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.side-block {
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 20px;
}

.side-block-title {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-green);
}

.side-link-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
}

.side-link-list li a {
  display: block;
  padding: 8px 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-soft);
  border-bottom: 1px dashed var(--line-soft);
}

.side-link-list li:last-child a {
  border-bottom: none;
}

.side-link-list li a:hover {
  color: var(--route-orange);
}

.side-order-list {
  counter-reset: side-order;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
}

.side-order-list li {
  position: relative;
  padding-left: 26px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-soft);
  counter-increment: side-order;
}

.side-order-list li::before {
  content: counter(side-order);
  position: absolute;
  left: 0;
  top: 1px;
  width: 18px;
  height: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 18px;
  text-align: center;
  color: var(--route-orange);
  border: 1px solid var(--route-orange-soft);
  border-radius: 50%;
}

.side-block-cta {
  background-color: var(--sand-soft);
  border-color: var(--sand);
}

.side-block-cta p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
  margin: 0 0 12px;
}

.side-cta-link {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  background-color: var(--ink-green);
  border-radius: var(--radius-sm);
}

.side-cta-link:hover {
  background-color: var(--route-orange);
  color: var(--white);
}

/* --------------------------------------------------------------------------
   pages · 项目准备
   -------------------------------------------------------------------------- */
.prep-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 40px;
}

.prep-summary-item {
  padding: 20px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
}

.prep-summary-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--route-orange);
  margin-bottom: 8px;
}

.prep-summary-item h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-green);
}

.prep-summary-purpose {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-soft);
}

.prep-summary-owner {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--route-orange);
  padding-top: 8px;
  border-top: 1px dashed var(--line);
}

.prep-details {
  margin-bottom: 40px;
}

.prep-detail {
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
}

.prep-detail h3 {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  padding: 16px 22px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink-green);
  background-color: var(--paper-soft);
  border-bottom: 1px solid var(--line-soft);
}

.prep-detail-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--white);
  background-color: var(--route-orange);
  border-radius: 50%;
}

.prep-detail-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  padding: 20px 22px;
}

.prep-detail-col {
  min-width: 0;
}

.prep-detail-col h4 {
  margin: 0 0 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--route-orange);
  letter-spacing: 0.02em;
}

.prep-detail-col p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.prep-confirm {
  margin-bottom: 40px;
}

.prep-confirm-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.prep-confirm-item {
  padding: 20px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
}

.prep-confirm-item h3 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-green);
}

.prep-confirm-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.prep-confirm-figure {
  aspect-ratio: 21 / 9;
  border: 1px solid var(--line);
}

.prep-confirm-figure figcaption {
  padding: 10px 14px;
  background-color: var(--white);
  border-top: 1px solid var(--line-soft);
}

.prep-advice {
  margin-bottom: 40px;
}

.prep-advice-list {
  counter-reset: prep-advice;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
}

.prep-advice-item {
  position: relative;
  padding: 20px 20px 20px 60px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
  counter-increment: prep-advice;
}

.prep-advice-item::before {
  content: counter(prep-advice, decimal-leading-zero);
  position: absolute;
  left: 20px;
  top: 20px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--route-orange);
}

.prep-advice-item h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-green);
}

.prep-advice-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.prep-links {
  margin-bottom: 24px;
}

.prep-links-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.prep-link-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, transform 0.18s ease;
  min-width: 0;
}

.prep-link-card:hover {
  border-color: var(--route-orange);
  transform: translateY(-2px);
  color: var(--ink-green);
}

.prep-link-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-green);
}

.prep-link-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-soft);
}

.sidebar-title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink-green);
}

.sidebar-intro {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.sidebar-checklist {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0 0 20px;
}

.sidebar-checklist li {
  padding: 14px 16px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-left: 3px solid var(--route-orange);
  border-radius: var(--radius-sm);
}

.sidebar-checklist h3 {
  margin: 0 0 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-green);
}

.sidebar-checklist p {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-soft);
}

.sidebar-cta {
  padding: 20px;
  background-color: var(--sand-soft);
  border: 1px solid var(--sand);
  border-radius: var(--radius);
  margin-bottom: 16px;
}

.sidebar-cta p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.sidebar-cta-link {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  background-color: var(--ink-green);
  border-radius: var(--radius-sm);
}

.sidebar-cta-link:hover {
  background-color: var(--route-orange);
  color: var(--white);
}

.sidebar-note {
  padding: 18px 20px;
  background-color: var(--white);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
}

.sidebar-note h3 {
  margin: 0 0 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-green);
}

.sidebar-note p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   pages · 常见问题
   -------------------------------------------------------------------------- */
.faq-index {
  margin-bottom: 40px;
}

.faq-index-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
}

.faq-index-item {
  min-width: 0;
}

.faq-index-item a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  height: 100%;
  padding: 18px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease;
}

.faq-index-item a:hover {
  border-color: var(--route-orange);
  color: var(--ink-green);
}

.faq-index-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-green);
}

.faq-index-desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.faq-group {
  margin-bottom: 40px;
}

.faq-group > h2 {
  margin: 0 0 6px;
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 700;
  color: var(--ink-green);
}

.faq-next {
  margin-bottom: 24px;
}

.faq-next-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}

.faq-next-list li {
  min-width: 0;
}

.faq-next-list a {
  display: flex;
  align-items: center;
  min-height: 52px;
  padding: 14px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-green);
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease;
}

.faq-next-list a:hover {
  border-color: var(--route-orange);
  color: var(--route-orange);
}

.aside-figure {
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
  margin-bottom: 18px;
}

.aside-figure figcaption {
  padding: 8px 12px;
  font-size: 12px;
  background-color: var(--white);
  border-top: 1px solid var(--line-soft);
}

.aside-note-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0 0 18px;
}

.aside-note-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-soft);
}

.aside-note-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 2px;
  background-color: var(--route-orange);
}

.aside-cta {
  padding: 18px;
  background-color: var(--sand-soft);
  border: 1px solid var(--sand);
  border-radius: var(--radius);
}

.aside-cta p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.aside-cta-link {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  background-color: var(--ink-green);
  border-radius: var(--radius-sm);
}

.aside-cta-link:hover {
  background-color: var(--route-orange);
  color: var(--white);
}

/* --------------------------------------------------------------------------
   pages · 合作资料
   -------------------------------------------------------------------------- */
.page-head-body {
  padding-bottom: 8px;
}

.collab-items {
  margin-bottom: 48px;
}

.collab-items .collab-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--line);
}

.collab-items .collab-list li.collab-item {
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr);
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  min-width: 0;
}

.collab-item .collab-num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  color: var(--route-orange);
  line-height: 1.2;
  padding-top: 2px;
}

.collab-item-body {
  min-width: 0;
}

.collab-label {
  display: block;
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-green);
}

.collab-purpose {
  margin: 0 0 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.collab-record {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-green);
  padding: 8px 12px;
  background-color: var(--paper-soft);
  border-left: 2px solid var(--sand);
  border-radius: var(--radius-sm);
}

.collab-steps {
  margin-bottom: 48px;
}

.step-track {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 0 0 24px;
  counter-reset: step-track;
}

.step-node {
  position: relative;
  padding: 22px 20px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
  counter-increment: step-track;
}

.step-node::after {
  content: "";
  position: absolute;
  top: 44px;
  right: -9px;
  width: 16px;
  height: 2px;
  background-color: var(--line);
}

.step-node:last-child::after {
  display: none;
}

.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
  background-color: var(--route-orange);
  border-radius: 50%;
}

.step-node h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-green);
}

.step-node p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.collab-figure {
  aspect-ratio: 21 / 9;
  border: 1px solid var(--line);
}

.collab-figure figcaption {
  padding: 10px 14px;
  background-color: var(--white);
  border-top: 1px solid var(--line-soft);
}

.collab-entries {
  margin-bottom: 48px;
}

.entry-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
}

.entry-card {
  min-width: 0;
}

.entry-card a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  height: 100%;
  padding: 20px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.entry-card a:hover {
  border-color: var(--route-orange);
  transform: translateY(-2px);
  color: var(--ink-green);
}

.entry-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-green);
}

.entry-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-soft);
}

.collab-boundary {
  margin-bottom: 24px;
}

.boundary-block {
  padding: 28px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--route-orange);
  border-radius: var(--radius);
}

.boundary-block h2 {
  margin: 0 0 12px;
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 700;
  color: var(--ink-green);
}

.boundary-block p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
  max-width: 46em;
}

.boundary-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0 0 14px;
}

.boundary-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

.boundary-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 2px;
  background-color: var(--route-orange);
}

.collab-aside .aside-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
}

.collab-aside .aside-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.collab-aside .aside-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 2px;
  background-color: var(--sand);
}

.aside-block-accent {
  background-color: var(--sand-soft);
  border-color: var(--sand);
}

.aside-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0;
}

.aside-links li a {
  display: block;
  padding: 8px 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-green);
  border-bottom: 1px dashed var(--line);
}

.aside-links li:last-child a {
  border-bottom: none;
}

.aside-links li a:hover {
  color: var(--route-orange);
}

/* --------------------------------------------------------------------------
   pages · 404
   -------------------------------------------------------------------------- */
.error-main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px 72px;
}

.error-hero {
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--line);
}

.error-hero-inner {
  max-width: 640px;
}

.error-code {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--route-orange);
}

.error-hero h1 {
  margin: 0 0 16px;
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 700;
  color: var(--ink-green);
  line-height: 1.24;
}

.error-lead {
  margin: 0 0 26px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink-soft);
  max-width: 34em;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.error-links {
  padding: 48px 0 0;
}

.error-links h2 {
  margin: 0 0 8px;
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 700;
  color: var(--ink-green);
}

.error-links-intro {
  margin: 0 0 24px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-soft);
  max-width: 44em;
}

.error-link-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
}

.error-link-list li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
}

.error-link-list a {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-green);
}

.error-link-list a:hover {
  color: var(--route-orange);
}

.error-link-list span {
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   responsive · 1080 / 760 / 480
   -------------------------------------------------------------------------- */
@media (max-width: 1080px) {
  .header-inner {
    padding: 12px 24px;
  }

  .inner-main,
  .layout-shell,
  .section-inner,
  .hero-inner,
  .error-main {
    padding-left: 24px;
    padding-right: 24px;
  }

  .footer-inner {
    padding: 48px 24px 28px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-col-note {
    grid-column: 1 / -1;
  }

  .footer-bottom p {
    padding-left: 24px;
    padding-right: 24px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    gap: 36px;
  }

  .goal-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .compare-layout,
  .faq-layout,
  .prep-layout,
  .collab-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .route-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .route-map .route-node::after {
    display: none;
  }

  .route-track .route-node:nth-child(n + 4) {
    grid-column: span 1;
  }

  .page-layout,
  .layout-shell {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 32px;
  }

  .goal-detail-body,
  .prep-detail-cols {
    gap: 20px;
  }

  .route-summary-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .route-summary-list .route-summary-item:nth-child(n + 4) {
    grid-column: span 1;
  }

  .route-delay-grid,
  .topics-next-list,
  .faq-index-list,
  .step-track,
  .entry-grid,
  .prep-summary-grid,
  .prep-confirm-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .step-node::after {
    display: none;
  }

  .goal-picker-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: flex;
  }

  .primary-nav {
    flex: 1 1 100%;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    margin-left: 0;
    padding-top: 4px;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    width: 100%;
  }

  .nav-list.is-open {
    display: flex;
  }

  .nav-list a {
    display: flex;
    width: 100%;
    min-height: 46px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--line-soft);
    border-radius: 0;
  }

  .nav-list a.is-current {
    border-bottom-color: var(--route-orange);
    background-color: var(--paper-soft);
  }

  .nav-cta {
    display: none;
    width: 100%;
    justify-content: center;
    min-height: 46px;
  }

  .nav-list.is-open + .nav-cta {
    display: inline-flex;
  }

  .hero {
    padding: 40px 0 48px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .hero-visual {
    order: 2;
  }

  .hero-figure {
    aspect-ratio: 16 / 10;
  }

  .goal-strip,
  .service-compare,
  .route-map,
  .topic-excerpt,
  .prep-summary,
  .faq-summary,
  .collab-band {
    padding: 44px 0;
  }

  .page-layout,
  .layout-shell {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .layout-aside,
  .layout-side,
  .page-sidebar,
  .page-aside,
  .goal-aside {
    position: static;
    top: auto;
  }

  .goal-detail-body,
  .prep-detail-cols {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .route-node-body {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .route-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .route-summary-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .topic-row {
    grid-template-columns: minmax(0, 1fr) 160px;
    gap: 20px;
  }

  .prep-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .prep-figure {
    aspect-ratio: 16 / 10;
  }

  .collab-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .collab-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-brand,
  .footer-col-note {
    grid-column: 1 / -1;
  }

  .topics-index-item {
    grid-template-columns: 80px minmax(0, 1fr);
    gap: 12px;
  }

  .topics-index-dir {
    grid-column: 2;
    text-align: left;
  }

  .error-hero {
    padding: 48px 0 40px;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 16px;
  }

  .header-inner,
  .inner-main,
  .layout-shell,
  .section-inner,
  .hero-inner,
  .error-main {
    padding-left: 18px;
    padding-right: 18px;
  }

  .brand-name {
    font-size: 18px;
  }

  .brand-tagline {
    font-size: 11px;
    max-width: 200px;
  }

  .hero h1 {
    font-size: 30px;
  }

  .hero-summary {
    font-size: 16px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .goal-grid,
  .goal-picker-list,
  .matrix-list,
  .route-track,
  .route-summary-list,
  .route-delay-grid,
  .topics-next-list,
  .faq-index-list,
  .step-track,
  .entry-grid,
  .prep-summary-grid,
  .prep-confirm-grid,
  .prep-advice-list,
  .prep-links-grid,
  .faq-next-list,
  .error-link-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .next-steps-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .topic-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .topic-thumb {
    aspect-ratio: 16 / 9;
    width: 100%;
  }

  .compare-table {
    font-size: 14px;
  }

  .compare-table thead th,
  .compare-table tbody td {
    padding: 12px;
  }

  .table-scroll .compare-table {
    min-width: 560px;
  }

  .goal-detail-head {
    padding: 16px 18px;
  }

  .goal-detail-body,
  .topic-article-body,
  .boundary-block {
    padding: 18px;
  }

  .topic-article-head {
    padding: 20px 18px 16px;
  }

  .route-node-head {
    padding: 16px 18px;
  }

  .route-node-tag {
    margin-left: 0;
  }

  .route-node-body {
    padding: 18px;
  }

  .collab-items .collab-list li.collab-item {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 14px;
  }

  .collab-item .collab-num {
    font-size: 18px;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    padding: 40px 18px 24px;
  }

  .footer-bottom p {
    padding: 16px 18px;
  }

  .page-title {
    font-size: 30px;
  }

  .faq-item summary {
    padding: 14px 16px;
    font-size: 15px;
  }

  .faq-answer {
    padding: 14px 16px 18px;
  }

  .prep-advice-item {
    padding: 18px 18px 18px 52px;
  }

  .prep-advice-item::before {
    left: 18px;
    top: 18px;
  }

  .step-node,
  .next-step-card,
  .route-next-item a,
  .prep-link-card,
  .entry-card a,
  .goal-picker-item {
    padding: 18px;
  }

  .error-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .error-actions .btn {
    width: 100%;
  }
}
