/* =========================================================
   偷窥自拍 · 自拍视角影像拍摄企业服务官网
   全站样式表
   分组：base / layout / components / pages / responsive
   ========================================================= */

/* ---------------------------------------------------------
   1. base —— 变量、重置、排版基础
   --------------------------------------------------------- */
:root {
  --bg: #F6F4F0;
  --bg-raised: #FFFFFF;
  --ink: #1A1F1D;
  --brand: #1F5C4D;
  --brand-deep: #17463A;
  --accent: #A9551E;
  --muted: #5B6560;
  --line: #DCD7CE;
  --line-soft: #E8E3DA;
  --radius: 8px;
  --radius-sm: 4px;
  --container: 1120px;
  --shadow: 0 1px 2px rgba(26, 31, 29, 0.05);
  --font: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
}

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

p {
  margin: 0;
}

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

a {
  color: var(--brand);
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease;
}

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

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

figure {
  margin: 0;
}

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

dl {
  margin: 0;
}

dt,
dd {
  margin: 0;
}

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}


/* ---------------------------------------------------------
   2. layout —— 骨架：容器、页头、导航、主体、页脚
   --------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

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

.site-main {
  flex: 1 1 auto;
  display: block;
}

/* ---- 页头 ---- */
.site-header {
  background: var(--bg-raised);
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 20;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 0;
  color: var(--ink);
}

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

.brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--brand);
}

.brand-tagline {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.4;
}

/* ---- 主导航 ---- */
.site-nav {
  display: block;
}

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

.nav-list li {
  display: block;
}

.nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 12px;
  font-size: 15px;
  color: var(--ink);
  border-bottom: 2px solid transparent;
}

.nav-list a:hover {
  color: var(--brand);
  border-bottom-color: var(--line);
}

.nav-list a.is-current {
  color: var(--brand);
  font-weight: 600;
  border-bottom-color: var(--brand);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-raised);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
}

/* ---- 页脚 ---- */
.site-footer {
  background: var(--bg-raised);
  border-top: 1px solid var(--line);
  margin-top: 64px;
  padding: 48px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr;
  gap: 32px 28px;
  padding-bottom: 40px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-brand-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--brand);
}

.footer-brand-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 300px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

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

.footer-list a {
  font-size: 14px;
  color: var(--muted);
  display: inline-block;
  padding: 2px 0;
}

.footer-list a:hover {
  color: var(--brand);
}

.footer-bottom {
  border-top: 1px solid var(--line-soft);
  padding-top: 20px;
  padding-bottom: 28px;
}

.footer-copy {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}

/* ---- 主体通用分节 ---- */
.section {
  padding: 56px 0;
}

.section-head {
  margin-bottom: 32px;
  max-width: 760px;
}

.section-head h2,
.section-title {
  font-size: 22px;
  font-weight: 600;
}

.section-sub,
.section-intro,
.section-lead {
  margin-top: 10px;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
}

.section-more {
  margin-top: 24px;
  font-size: 15px;
}

.text-link {
  display: inline-block;
  font-size: 15px;
  color: var(--brand);
  border-bottom: 1px solid var(--line);
  padding-bottom: 1px;
}

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

/* ---- 双栏布局 ---- */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 48px;
  align-items: start;
}

.layout-main,
.page-main,
.page-content,
.page-main-col {
  min-width: 0;
}

.layout-aside,
.page-aside,
.page-sidebar,
.page-side-col {
  min-width: 0;
}

/* 侧栏在左的兼容分支 */
.sidebar-left .page-layout,
.sidebar-left.page-layout {
  grid-template-columns: 300px minmax(0, 1fr);
}

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

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


/* ---------------------------------------------------------
   3. components —— 通用组件
   --------------------------------------------------------- */

/* ---- 按钮 ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn-primary {
  background: var(--brand);
  color: #FFFFFF;
  border-color: var(--brand);
}

.btn-primary:hover {
  background: var(--brand-deep);
  border-color: var(--brand-deep);
  color: #FFFFFF;
}

.btn-ghost {
  background: transparent;
  color: var(--brand);
  border-color: var(--line);
}

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

/* ---- 面包屑 ---- */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--muted);
  padding-top: 28px;
}

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

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

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

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

/* ---- 页面标题区 ---- */
.page-header {
  padding: 20px 0 24px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 32px;
}

.page-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
}

.page-description {
  margin-top: 12px;
  font-size: 15px;
  color: var(--muted);
  max-width: 820px;
}

.page-summary {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
  max-width: 820px;
}

.page-hero {
  padding: 24px 0 8px;
}

.page-hero-inner {
  padding: 0;
}

.page-hero-summary {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
  max-width: 820px;
}

.page-title-block {
  padding-bottom: 8px;
}

/* ---- 图片与图注 ---- */
.hero-media,
.section-media,
.content-figure,
.page-media,
.section-figure {
  margin: 0;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.hero-media img,
.section-media img,
.content-figure img,
.page-media img,
.section-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--line-soft);
}

.hero-media figcaption,
.section-media figcaption,
.content-figure figcaption,
.page-media figcaption,
.section-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
  border-top: 1px solid var(--line-soft);
}

/* ---- 内容区块 ---- */
.content-section {
  margin-bottom: 52px;
}

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

.content-section > .section-lead {
  margin-bottom: 24px;
}

.content-section > .section-title + .section-lead {
  margin-top: 10px;
}

/* ---- 侧栏区块 ---- */
.aside-block,
.sidebar-block,
.side-block {
  margin-bottom: 32px;
}

.aside-title,
.sidebar-title,
.side-block-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 14px;
}

.aside-list,
.sidebar-list,
.side-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.aside-list li,
.sidebar-list li,
.side-list li {
  display: block;
}

.aside-list a,
.sidebar-list a,
.side-list a,
.side-link {
  display: block;
  padding: 10px 12px;
  font-size: 14px;
  color: var(--ink);
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  line-height: 1.6;
}

.aside-list a:hover,
.sidebar-list a:hover,
.side-list a:hover,
.side-link:hover {
  color: var(--brand);
  border-color: var(--brand);
}

.aside-note {
  padding: 18px;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.aside-note .aside-title {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 8px;
}

.aside-text,
.side-block-text {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
}

/* ---- 折叠问答 ---- */
.faq-item {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}

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

.faq-q,
.faq-question {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  min-height: 44px;
}

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

.faq-q::after,
.faq-question::after {
  content: "+";
  flex: 0 0 auto;
  font-size: 20px;
  font-weight: 400;
  color: var(--brand);
  line-height: 1.2;
}

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

.faq-item[open] .faq-q,
.faq-item[open] .faq-question {
  border-bottom: 1px solid var(--line-soft);
}

.faq-a,
.faq-answer {
  padding: 16px 20px 20px;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
}

.faq-answer p + p {
  margin-top: 10px;
}

/* ---- 编号列表 ---- */
.numbered-list,
.check-list,
.order-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.numbered-item,
.check-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.numbered-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

.numbered-item p,
.check-text {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
}

.check-num {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 50%;
}

/* ---- 阶段条 / 步骤 ---- */
.stage-list,
.stage-track,
.prep-steps,
.path-steps {
  display: grid;
  gap: 20px;
}

.stage-list,
.prep-steps {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stage-track {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

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

.stage-item,
.prep-step {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  min-width: 0;
}

.stage-no,
.prep-no,
.stage-number,
.path-step-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  height: 30px;
  padding: 0 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

.stage-name,
.prep-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.stage-act,
.stage-out,
.prep-desc,
.stage-desc,
.stage-output {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
}

.stage-out,
.stage-output {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
}

/* ---- 三步路径（合作页） ---- */
.path-step {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

.path-step-body {
  min-width: 0;
}

.path-step-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.path-step-text {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
}

/* ---- 对照两列 ---- */
.node-compare,
.boundary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.node-column,
.boundary-col {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  min-width: 0;
}

.node-column-title,
.boundary-col-title {
  font-size: 16px;
  font-weight: 600;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 14px;
}

.node-list,
.boundary-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.node-item,
.boundary-list li {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
  padding-left: 16px;
  position: relative;
}

.node-item::before,
.boundary-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
}

.node-client .node-item::before {
  background: var(--accent);
}

/* ---- 交付顺序列表 ---- */
.delivery-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.delivery-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.delivery-order {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 50%;
}

.delivery-text {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
}

/* ---- 字段定义列表 ---- */
.type-fields,
.spec-fields {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 10px 20px;
  margin: 16px 0;
}

.type-fields dt,
.spec-fields dt {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.type-fields dd,
.spec-fields dd {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
}


/* ---------------------------------------------------------
   4. pages —— 各页面与模块
   --------------------------------------------------------- */

/* ---------- 4.1 首页 ---------- */
.home-main .section-scope {
  padding-top: 64px;
}

.hero {
  padding: 56px 0 0;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: 48px;
  align-items: start;
  padding-bottom: 40px;
}

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

.hero-eyebrow {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 14px;
}

.hero-main h1 {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 18px;
}

.hero-lead {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.85;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero-aside {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  min-width: 0;
}

.hero-aside-title {
  font-size: 16px;
  font-weight: 600;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 16px;
}

.hero-scope-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.hero-scope-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.scope-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.scope-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

.hero-media {
  margin-top: 8px;
}

.hero-media img {
  aspect-ratio: 21 / 9;
}

/* 服务范围与交付边界 */
.scope-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.scope-col {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  min-width: 0;
}

.scope-col h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 12px;
}

.scope-col > p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
}

.scope-boundary {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 14px;
  color: var(--accent);
  line-height: 1.7;
}

/* 决策问题清单 */
.section-decide {
  background: var(--bg-raised);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.decision-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--line);
}

.decision-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.decision-q {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}

.decision-a {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 8px;
}

.decision-item .text-link {
  font-size: 14px;
}

.aside-foot {
  padding: 18px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.aside-foot-text {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 10px;
}

.aside-foot-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
}

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

.aside-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.aside-item a {
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.aside-item a:hover {
  color: var(--brand);
  border-color: var(--brand);
}

.aside-note {
  font-size: 13px;
  color: var(--muted);
  padding: 0 12px 4px;
  line-height: 1.7;
}

/* 适用场景索引 */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.scenario-col {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  min-width: 0;
}

.scenario-col h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
}

.scenario-for {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 8px;
}

.scenario-type {
  font-size: 14px;
  color: var(--brand);
  line-height: 1.7;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
}

.section-scenarios .section-media {
  margin-top: 32px;
}

/* 服务指南阶段预览 */
.section-workflow .stage-list {
  margin-bottom: 4px;
}

/* 常见问题预览 */
.faq-list {
  display: flex;
  flex-direction: column;
}

/* 合作准备与洽谈入口 */
.cooperation-cta {
  margin-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}

.cooperation-text {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
  max-width: 640px;
}

/* ---------- 4.2 拍摄类型页 ---------- */
.page-shooting-types .page-hero {
  padding-top: 20px;
}

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

.type-group {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  min-width: 0;
}

.type-group-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
}

.type-group-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
}

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

.type-group-list a {
  font-size: 14px;
  color: var(--brand);
  display: inline-block;
  padding: 4px 0;
}

.type-group-list a:hover {
  color: var(--accent);
}

.content-figure {
  margin: 24px 0 32px;
}

.type-detail {
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

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

.type-detail-title {
  font-size: 18px;
  font-weight: 600;
}

.type-note {
  font-size: 14px;
  color: var(--accent);
  line-height: 1.75;
  padding: 12px 16px;
  background: var(--bg-raised);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.delivery-block {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.delivery-block .delivery-text {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
}

/* ---------- 4.3 拍摄准备页 ---------- */
.page-media {
  margin-bottom: 32px;
}

.checklist-group {
  margin-bottom: 32px;
}

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

.checklist-group-title {
  font-size: 17px;
  font-weight: 600;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 16px;
}

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

.checklist-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 8px 24px;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 20px;
}

.checklist-point {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.7;
}

.checklist-how {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
}

/* ---------- 4.4 适用场景页 ---------- */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.scene-card {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  min-width: 0;
}

.scene-card-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
}

.scene-card-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 10px;
}

.scene-card-meta {
  font-size: 13px;
  color: var(--brand);
  line-height: 1.7;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}

.section-scene-map .section-intro a,
.section-scene-check .section-intro a {
  color: var(--brand);
  border-bottom: 1px solid var(--line);
}

.section-scene-map .section-intro a:hover,
.section-scene-check .section-intro a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.section-figure {
  margin: 24px 0 28px;
}

.scene-map-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--line);
}

.scene-map-item {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr) minmax(0, 1.4fr);
  gap: 8px 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.scene-map-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.scene-map-type {
  font-size: 14px;
  color: var(--brand);
  line-height: 1.7;
}

.scene-map-cond {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
}

/* ---------- 4.5 服务指南页 ---------- */
.section-stages,
.section-nodes,
.section-delivery {
  margin-bottom: 52px;
}

.section-stages .section-intro,
.section-nodes .section-intro,
.section-delivery .section-intro {
  margin-bottom: 24px;
}

.section-stages .section-media {
  margin-top: 32px;
}

/* ---------- 4.6 常见问题页 ---------- */
.page-faq .page-hero {
  padding-top: 0;
}

.faq-group {
  margin-bottom: 44px;
}

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

.faq-group .section-intro {
  margin-bottom: 20px;
}

.next-step {
  margin-top: 44px;
  padding: 24px;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.next-step .section-intro {
  margin-bottom: 16px;
}

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

.next-step-list a {
  display: block;
  font-size: 15px;
  color: var(--brand);
  padding: 8px 0;
  border-bottom: 1px solid var(--line-soft);
}

.next-step-list li:last-child a {
  border-bottom: none;
}

.next-step-list a:hover {
  color: var(--accent);
}

/* ---------- 4.7 合作洽谈页 ---------- */
.page-cooperation .page-hero {
  padding-top: 20px;
}

.page-cooperation .section {
  padding: 0 0 52px;
}

.order-list {
  gap: 0;
  border-top: 1px solid var(--line);
}

.order-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.order-item-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.order-item-text {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
}

/* ---------- 4.8 404 页 ---------- */
.site-error .error-main {
  display: flex;
  align-items: center;
  padding: 72px 0;
}

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

.error-title {
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 16px;
}

.error-desc {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.85;
  margin-bottom: 24px;
}

.error-home-link {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 22px;
  font-size: 15px;
  font-weight: 600;
  color: #FFFFFF;
  background: var(--brand);
  border: 1px solid var(--brand);
  border-radius: var(--radius-sm);
}

.error-home-link:hover {
  background: var(--brand-deep);
  border-color: var(--brand-deep);
  color: #FFFFFF;
}

.error-entry-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 32px;
}

.error-entry-list a {
  display: block;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--ink);
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.error-entry-list a:hover {
  color: var(--brand);
  border-color: var(--brand);
}


/* ---------------------------------------------------------
   5. responsive —— 断点 1024px / 768px
   --------------------------------------------------------- */
@media (max-width: 1024px) {
  .container {
    padding: 0 20px;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }

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

  .hero-main h1 {
    font-size: 30px;
  }

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

  .page-layout {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 36px;
  }

  .sidebar-left .page-layout,
  .sidebar-left.page-layout {
    grid-template-columns: 260px minmax(0, 1fr);
  }

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

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

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

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

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

  .scene-map-cond {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .site-header {
    position: relative;
  }

  .header-inner {
    min-height: 64px;
    gap: 12px;
    flex-wrap: nowrap;
    align-items: center;
  }

  .brand {
    padding: 8px 0;
    min-width: 0;
  }

  .brand-name {
    font-size: 18px;
  }

  .brand-tagline {
    font-size: 12px;
  }

  .nav-toggle {
    display: flex;
    flex: 0 0 auto;
  }

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

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    padding: 8px 0 12px;
    border-top: 1px solid var(--line);
  }

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

  .nav-list a {
    width: 100%;
    min-height: 48px;
    padding: 0 4px;
    border-bottom: 1px solid var(--line-soft);
  }

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

  .container {
    padding: 0 16px;
  }

  .page-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
  }

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

  .sidebar-left .layout-main,
  .sidebar-left .page-main,
  .sidebar-left .layout-aside,
  .sidebar-left .page-aside {
    order: 0;
  }

  .hero {
    padding: 36px 0 0;
  }

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

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

  .hero-actions {
    gap: 12px;
  }

  .hero-actions .btn {
    flex: 1 1 200px;
  }

  .section {
    padding: 40px 0;
  }

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

  .section-title,
  .section-head h2 {
    font-size: 20px;
  }

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

  .page-header {
    padding: 16px 0 20px;
    margin-bottom: 24px;
  }

  .breadcrumb {
    padding-top: 20px;
  }

  .scope-grid,
  .type-groups,
  .scenario-grid,
  .scene-grid,
  .node-compare,
  .boundary-grid,
  .stage-list,
  .stage-track,
  .prep-steps,
  .error-entry-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .scene-map-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .checklist-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .type-fields,
  .spec-fields {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px 0;
  }

  .type-fields dd,
  .spec-fields dd {
    margin-bottom: 10px;
  }

  .cooperation-cta {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }

  .cooperation-cta .btn {
    width: 100%;
  }

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

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

  .footer-brand-desc {
    max-width: none;
  }

  .site-footer {
    margin-top: 48px;
    padding-top: 36px;
  }

  .site-error .error-main {
    padding: 48px 0;
  }

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

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

@media (max-width: 420px) {
  .brand-tagline {
    display: block;
    max-width: 200px;
  }

  .hero-main h1 {
    font-size: 24px;
  }

  .btn {
    width: 100%;
  }

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


/* ---------------------------------------------------------
   6. 动效增强（不影响初始可见性）
   --------------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .scope-col,
  .scenario-col,
  .scene-card,
  .type-group,
  .stage-item,
  .prep-step,
  .path-step {
    transition: border-color 0.18s ease, box-shadow 0.18s ease;
  }

  .scope-col:hover,
  .scenario-col:hover,
  .scene-card:hover,
  .type-group:hover,
  .stage-item:hover,
  .prep-step:hover,
  .path-step:hover {
    border-color: var(--brand);
    box-shadow: var(--shadow);
  }
}