/* ==========================================================================
   亚洲午夜电影 · weisiter.com 全站样式
   分组：base / layout / components / pages / responsive
   ========================================================================== */

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

:root {
  --color-bg: #F7F4EF;
  --color-surface: #FFFFFF;
  --color-surface-alt: #F1ECE3;
  --color-heading: #1F3A34;
  --color-text: #2B2B2B;
  --color-text-soft: #5C574F;
  --color-accent: #A87C4F;
  --color-accent-soft: #C9A87C;
  --color-line: #E3DED6;
  --color-icon: #6E6A63;
  --font-heading: "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  --font-body: Georgia, "Songti SC", "SimSun", "Noto Serif SC", serif;
  --shell-width: 1160px;
  --content-width: 720px;
  --sidebar-width: 260px;
  --radius: 6px;
  --shadow-soft: 0 1px 2px rgba(31, 58, 52, 0.06), 0 8px 24px rgba(31, 58, 52, 0.05);
}

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

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

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 12px;
  color: var(--color-heading);
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0;
}

h1 {
  font-size: 32px;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 18px;
}

p {
  margin: 0 0 14px;
}

ul,
ol {
  margin: 0 0 14px;
  padding-left: 20px;
}

li {
  margin-bottom: 6px;
}

a {
  color: var(--color-heading);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}

a:hover,
a:focus-visible {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

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

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

figure {
  margin: 0;
}

figcaption {
  margin-top: 8px;
  color: var(--color-icon);
  font-size: 14px;
  line-height: 1.7;
}

button {
  font: inherit;
  color: inherit;
}

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

.site-body {
  display: block;
  min-height: 100vh;
  background-color: var(--color-bg);
  font-family: var(--font-body);
  color: var(--color-text);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: rgba(247, 244, 239, 0.94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: var(--shell-width);
  margin: 0 auto;
  padding: 14px 24px;
}

.site-nav {
  display: block;
}

.site-main {
  display: block;
  max-width: var(--shell-width);
  margin: 0 auto;
  padding: 0 24px 56px;
}

.inner-main {
  padding-top: 20px;
}

.site-footer {
  margin-top: 24px;
  background-color: var(--color-surface-alt);
  border-top: 1px solid var(--color-line);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 28px 32px;
  max-width: var(--shell-width);
  margin: 0 auto;
  padding: 40px 24px 28px;
}

/* --------------------------------------------------------------------------
   components · 页头 / 导航 / 顶部说明条
   -------------------------------------------------------------------------- */

.top-notice {
  background-color: var(--color-heading);
  color: #EFE9DF;
  font-family: var(--font-heading);
  font-size: 13px;
  line-height: 1.6;
}

.top-notice p {
  max-width: var(--shell-width);
  margin: 0 auto;
  padding: 9px 24px;
}

.top-notice a {
  color: #F1E4D2;
  border-bottom: 1px solid rgba(241, 228, 210, 0.5);
}

.top-notice a:hover,
.top-notice a:focus-visible {
  color: #FFFFFF;
  border-bottom-color: #FFFFFF;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  color: var(--color-heading);
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0;
  border-bottom: none;
}

.brand::before {
  content: "";
  width: 10px;
  height: 10px;
  border: 2px solid var(--color-accent);
  border-radius: 2px;
}

.brand:hover,
.brand:focus-visible {
  color: var(--color-accent);
  border-bottom-color: transparent;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 10px;
  background-color: transparent;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-heading);
  border-radius: 2px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list li {
  margin: 0;
}

.nav-list a {
  display: inline-block;
  padding: 8px 12px;
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: 15px;
  border-bottom: 2px solid transparent;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--color-heading);
  border-bottom-color: var(--color-accent);
}

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

/* --------------------------------------------------------------------------
   components · 通用区块与标题
   -------------------------------------------------------------------------- */

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

.section-head {
  max-width: 720px;
  margin: 0 auto 28px;
  text-align: center;
}

.section-head h2 {
  margin-bottom: 10px;
}

.section-lead {
  margin: 0;
  color: var(--color-text-soft);
  font-size: 15px;
  line-height: 1.8;
}

.section-more {
  margin: 24px 0 0;
  font-family: var(--font-heading);
  font-size: 15px;
}

.section-more a {
  display: inline-block;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--color-accent-soft);
}

.section-more a:hover,
.section-more a:focus-visible {
  border-bottom-color: var(--color-accent);
}

.section {
  margin-bottom: 48px;
}

.section-title {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-line);
}

.section-intro {
  color: var(--color-text-soft);
}

.section-note {
  margin-top: 18px;
  padding: 14px 16px;
  background-color: var(--color-surface);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius);
  font-size: 15px;
}

.section-note a {
  border-bottom: 1px solid var(--color-accent-soft);
}

/* 图片容器 */
.section-media,
.media,
.guide-figure {
  margin: 20px 0 24px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--color-surface);
}

.section-media img,
.media img,
.guide-figure img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.section-media figcaption,
.media figcaption,
.guide-figure figcaption {
  margin: 0;
  padding: 10px 16px 12px;
  border-top: 1px solid var(--color-line);
}

/* 要点列表 */
.point-list {
  margin: 0;
  padding-left: 0;
  list-style: none;
}

.point-list li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 20px;
  line-height: 1.8;
}

.point-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 8px;
  border: 1.5px solid var(--color-accent);
  border-radius: 2px;
}

/* 步骤列表（排错步骤） */
.step-list {
  margin: 0;
  padding-left: 0;
  list-style: none;
  counter-reset: stepcount;
}

.step-list .step,
.step-list .step-item {
  position: relative;
  margin-bottom: 16px;
  padding: 14px 16px 14px 52px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  counter-increment: stepcount;
}

.step-list .step::before,
.step-list .step-item::before {
  content: counter(stepcount);
  position: absolute;
  left: 14px;
  top: 14px;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--color-accent-soft);
  border-radius: 50%;
}

.step-list .step-name,
.step-list .step-item h3 {
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-heading);
}

.step-list .step-body,
.step-list .step-item p {
  margin: 0;
  color: var(--color-text-soft);
  font-size: 15px;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  font-family: var(--font-heading);
  font-size: 13px;
  color: var(--color-icon);
}

.breadcrumb a {
  color: var(--color-icon);
  border-bottom: 1px solid var(--color-line);
}

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

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

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

/* 页面标题区 */
.page-header {
  margin-bottom: 32px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--color-accent-soft);
}

.page-title {
  margin: 0 0 12px;
  font-size: 32px;
  font-weight: 600;
  color: var(--color-heading);
}

.page-description {
  max-width: 760px;
  margin: 0;
  color: var(--color-text-soft);
  font-size: 15px;
  line-height: 1.8;
}

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

.home-hero {
  padding: 48px 0 56px;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
  max-width: var(--shell-width);
  margin: 0 auto;
  padding: 0 24px;
}

.hero-text {
  max-width: 560px;
}

.hero-title {
  margin: 0 0 16px;
  font-size: 32px;
}

.hero-lead {
  margin: 0 0 24px;
  color: var(--color-text-soft);
  font-size: 16px;
  line-height: 1.85;
}

.hero-paths {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.path-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  border-bottom-width: 1px;
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.path-card:hover,
.path-card:focus-visible {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-soft);
  transform: translateY(-2px);
}

.path-tag {
  font-family: var(--font-heading);
  font-size: 12px;
  letter-spacing: 0;
  color: var(--color-accent);
}

.path-title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-heading);
}

.path-desc {
  color: var(--color-text-soft);
  font-size: 14px;
  line-height: 1.7;
}

.hero-media {
  margin: 0;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--color-surface);
}

.hero-media img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

/* 服务矩阵概览 */
.home-services {
  padding: 56px 0;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.service-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--color-line);
}

.service-row {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 8px 24px;
  align-items: baseline;
  margin: 0;
  padding: 18px 4px;
  border-bottom: 1px solid var(--color-line);
}

.service-name h3 {
  margin: 0;
  font-size: 17px;
}

.service-audience,
.service-form {
  margin: 0;
  color: var(--color-text-soft);
  font-size: 14px;
  line-height: 1.75;
}

.service-audience::before {
  content: "适用对象 · ";
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: 12px;
}

.service-form::before {
  content: "交付形式 · ";
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: 12px;
}

/* 合作流程四阶段 */
.home-process {
  padding: 56px 0;
}

.process-track {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-step {
  position: relative;
  margin: 0;
  padding: 20px 18px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.process-step .step-index {
  display: inline-block;
  margin-bottom: 10px;
  padding: 2px 10px;
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: 12px;
  border: 1px solid var(--color-accent-soft);
  border-radius: 999px;
}

.process-step h3 {
  margin: 0 0 10px;
  font-size: 17px;
}

.process-step .step-prep,
.process-step .step-node {
  margin: 0 0 8px;
  color: var(--color-text-soft);
  font-size: 14px;
  line-height: 1.75;
}

.process-step .step-prep::before {
  content: "双方准备 · ";
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: 12px;
}

.process-step .step-node::before {
  content: "关键节点 · ";
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: 12px;
}

.process-media {
  margin: 28px 0 0;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--color-surface);
}

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

/* 交付标准摘要 */
.home-standard {
  padding: 56px 0;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.standard-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.standard-col {
  padding: 22px 24px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.standard-col h3 {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-line);
  font-size: 17px;
}

.standard-col-yes h3::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  border: 1.5px solid var(--color-accent);
  border-radius: 2px;
}

.standard-col-no h3::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  border: 1.5px solid var(--color-icon);
  border-radius: 50%;
}

.standard-list {
  margin: 0;
  padding-left: 0;
  list-style: none;
}

.standard-list li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
}

.standard-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

/* 首页 FAQ 摘要 */
.home-faq {
  padding: 56px 0;
}

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

.home-faq .faq-group {
  max-width: 820px;
  margin: 0 auto 32px;
}

.faq-group-title {
  margin: 0 0 14px;
  padding-left: 12px;
  border-left: 3px solid var(--color-accent);
  font-size: 17px;
}

.faq-item {
  margin-bottom: 10px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.faq-item summary {
  position: relative;
  padding: 14px 44px 14px 18px;
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-heading);
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-accent);
  font-size: 18px;
  line-height: 1;
}

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

.faq-item[open] summary {
  border-bottom: 1px solid var(--color-line);
}

.faq-item p {
  margin: 0;
  padding: 14px 18px 16px;
  color: var(--color-text-soft);
  font-size: 15px;
  line-height: 1.8;
}

/* 站内栏目索引 */
.home-index {
  padding: 56px 0;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-line);
}

.column-index {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.column-item {
  margin: 0;
}

.column-item a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  height: 100%;
  padding: 18px 20px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  transition: border-color .18s ease, box-shadow .18s ease;
}

.column-item a:hover,
.column-item a:focus-visible {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-soft);
}

.column-name {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-heading);
}

.column-desc {
  color: var(--color-text-soft);
  font-size: 14px;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   pages · 内页布局（侧栏 + 正文）
   -------------------------------------------------------------------------- */

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

/* 侧栏在左，正文在右 */
.page-layout.sidebar-left {
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
}

/* 侧栏在左时，正文列排在前面的兜底（DOM 顺序为侧栏在前） */
.page-layout.sidebar-left .sidebar,
.page-layout.sidebar-left .section-sidebar,
.page-layout.sidebar-left .section-toc,
.page-layout.sidebar-left .sidebar-nav {
  grid-column: 1;
}

.page-layout.sidebar-left .content-column,
.page-layout.sidebar-left .inner-content,
.page-layout.sidebar-left .main-column {
  grid-column: 2;
}

/* 侧栏通用 */
.sidebar,
.section-sidebar,
.section-toc,
.sidebar-nav {
  position: sticky;
  top: 84px;
  align-self: start;
  padding: 20px 20px 16px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.sidebar-title,
.sidebar-nav-title,
.toc-title {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-line);
  font-size: 15px;
  font-weight: 600;
}

.sidebar-nav + .sidebar-title {
  margin-top: 20px;
}

.sidebar-list,
.sidebar-nav ul,
.toc-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.sidebar-list li,
.sidebar-nav li,
.toc-list li {
  margin: 0 0 4px;
}

.sidebar-list a,
.sidebar-nav a,
.toc-list a {
  display: block;
  padding: 7px 10px;
  color: var(--color-text-soft);
  font-family: var(--font-heading);
  font-size: 14px;
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.sidebar-list a:hover,
.sidebar-nav a:hover,
.toc-list a:hover,
.sidebar-list a:focus-visible,
.sidebar-nav a:focus-visible,
.toc-list a:focus-visible {
  color: var(--color-heading);
  background-color: var(--color-bg);
  border-left-color: var(--color-accent-soft);
}

.sidebar-list a.is-current,
.sidebar-nav a.is-current,
.toc-list a.is-current {
  color: var(--color-heading);
  font-weight: 600;
  background-color: var(--color-bg);
  border-left-color: var(--color-accent);
}

/* 正文列 */
.content-column,
.inner-content,
.main-column {
  min-width: 0;
  max-width: var(--content-width);
}

/* 两栏对照 */
.two-column,
.audience-scene-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 16px;
}

.two-column .column {
  padding: 20px 22px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.column-title {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-line);
  font-size: 16px;
}

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

.matrix-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: matrixcount;
  border-top: 1px solid var(--color-line);
}

.matrix-item {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(0, 2fr);
  gap: 6px 24px;
  align-items: baseline;
  margin: 0;
  padding: 18px 4px 18px 46px;
  border-bottom: 1px solid var(--color-line);
  counter-increment: matrixcount;
  position: relative;
}

.matrix-item::before {
  content: counter(matrixcount, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 20px;
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
}

.matrix-name {
  margin: 0;
  font-size: 17px;
}

.matrix-meta {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  margin: 0;
}

.matrix-meta dt {
  display: inline;
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: 12px;
}

.matrix-meta dd {
  margin: 0 0 6px;
  color: var(--color-text-soft);
  font-size: 14px;
  line-height: 1.75;
}

.boundary-list {
  margin: 0;
  padding-left: 0;
  list-style: none;
}

.boundary-list li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
}

.boundary-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 8px;
  border: 1.5px solid var(--color-icon);
  border-radius: 2px;
}

/* --------------------------------------------------------------------------
   pages · 合作流程
   -------------------------------------------------------------------------- */

.section-process-stages .stage {
  margin-bottom: 24px;
  padding: 22px 24px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius);
}

.section-process-stages .stage h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.section-process-stages .stage p {
  color: var(--color-text-soft);
}

.prep-list {
  margin: 0;
  padding-left: 0;
  list-style: none;
}

.prep-list li {
  position: relative;
  margin-bottom: 8px;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
}

.prep-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

.checklist-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.checklist-col {
  padding: 20px 22px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.checklist-col h3 {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-line);
  font-size: 16px;
}

.checklist {
  margin: 0;
  padding-left: 0;
  list-style: none;
}

.checklist li {
  position: relative;
  margin-bottom: 8px;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 10px;
  height: 6px;
  border-left: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  transform: rotate(-45deg);
}

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

.requirement-list {
  margin: 0;
  padding-left: 0;
  list-style: none;
  counter-reset: reqcount;
}

.requirement-item {
  position: relative;
  margin-bottom: 14px;
  padding: 16px 18px 16px 52px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  counter-increment: reqcount;
}

.requirement-item::before {
  content: counter(reqcount);
  position: absolute;
  left: 16px;
  top: 16px;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--color-accent-soft);
  border-radius: 50%;
}

.requirement-item h3 {
  margin: 0 0 6px;
  font-size: 16px;
}

.requirement-item p {
  margin: 0;
  color: var(--color-text-soft);
  font-size: 15px;
}

.boundary-item {
  margin-bottom: 14px;
  padding: 16px 18px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-icon);
  border-radius: var(--radius);
}

.boundary-item h3 {
  margin: 0 0 6px;
  font-size: 16px;
}

.boundary-item p {
  margin: 0;
  color: var(--color-text-soft);
  font-size: 15px;
}

.check-points {
  margin: 0 0 16px;
  padding-left: 0;
  list-style: none;
}

.check-points li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
}

.check-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 10px;
  height: 6px;
  border-left: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  transform: rotate(-45deg);
}

/* --------------------------------------------------------------------------
   pages · 常见问题
   -------------------------------------------------------------------------- */

.page-faq .faq-group {
  margin-bottom: 40px;
}

.page-faq .faq-item {
  margin-bottom: 12px;
}

.page-faq .faq-item summary {
  padding: 16px 48px 16px 20px;
}

.faq-next {
  padding: 24px 26px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.faq-next h2 {
  margin-top: 0;
}

.next-links {
  margin: 16px 0 0;
  padding-left: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.next-links li {
  margin: 0;
}

.next-links a {
  display: block;
  padding: 12px 14px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  font-family: var(--font-heading);
  font-size: 14px;
  text-align: center;
  transition: border-color .18s ease;
}

.next-links a:hover,
.next-links a:focus-visible {
  border-color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   pages · 阅读说明
   -------------------------------------------------------------------------- */

.guide-section {
  margin-bottom: 44px;
}

.purpose-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--color-line);
}

.purpose-item {
  margin: 0;
  padding: 18px 4px;
  border-bottom: 1px solid var(--color-line);
}

.purpose-name {
  margin: 0 0 8px;
  font-size: 17px;
}

.purpose-scope,
.purpose-exclude {
  margin: 0 0 6px;
  font-size: 15px;
  line-height: 1.8;
}

.purpose-scope {
  color: var(--color-text);
}

.purpose-scope::before {
  content: "内容范围 · ";
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: 12px;
}

.purpose-exclude {
  color: var(--color-text-soft);
}

.purpose-exclude::before {
  content: "不包含 · ";
  color: var(--color-icon);
  font-family: var(--font-heading);
  font-size: 12px;
}

.order-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 16px;
}

.order-column {
  padding: 20px 22px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.order-column h3 {
  margin: 0 0 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-line);
  font-size: 16px;
}

.order-column p {
  color: var(--color-text-soft);
  font-size: 15px;
}

.order-steps {
  margin: 0;
  padding-left: 20px;
  color: var(--color-text);
  font-size: 15px;
}

.order-steps li {
  margin-bottom: 8px;
}

.reference-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: refcount;
}

.reference-item {
  position: relative;
  margin-bottom: 12px;
  padding: 14px 16px 14px 46px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  counter-increment: refcount;
}

.reference-item::before {
  content: counter(refcount, decimal-leading-zero);
  position: absolute;
  left: 16px;
  top: 16px;
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
}

.reference-item h3 {
  margin: 0 0 6px;
  font-size: 16px;
}

.reference-item p {
  margin: 0;
  color: var(--color-text-soft);
  font-size: 15px;
}

.notes-list {
  margin: 0;
  padding-left: 0;
  list-style: none;
}

.notes-list li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
}

.notes-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 8px;
  border: 1.5px solid var(--color-accent);
  border-radius: 2px;
}

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

.error-main {
  padding-top: 56px;
  padding-bottom: 64px;
}

.error-panel {
  max-width: 640px;
  margin: 0 auto 40px;
  padding: 36px 32px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  text-align: center;
}

.error-code {
  margin: 0 0 8px;
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: 14px;
  letter-spacing: 2px;
}

.error-title {
  margin: 0 0 12px;
  font-size: 28px;
}

.error-text {
  margin: 0 0 24px;
  color: var(--color-text-soft);
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin: 0;
}

.btn {
  display: inline-block;
  padding: 11px 22px;
  font-family: var(--font-heading);
  font-size: 15px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}

.btn-primary {
  background-color: var(--color-heading);
  color: #F7F4EF;
  border-color: var(--color-heading);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #FFFFFF;
}

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

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

.error-links {
  max-width: 640px;
  margin: 0 auto;
}

.error-links-title {
  margin: 0 0 14px;
  font-size: 18px;
}

.error-link-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.error-link-list li {
  margin: 0;
}

.error-link-list a {
  display: block;
  padding: 12px 14px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  font-family: var(--font-heading);
  font-size: 14px;
  text-align: center;
  transition: border-color .18s ease;
}

.error-link-list a:hover,
.error-link-list a:focus-visible {
  border-color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   components · 页脚
   -------------------------------------------------------------------------- */

.footer-top {
  grid-column: 1 / -1;
  margin: 0;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-line);
  font-family: var(--font-heading);
  font-size: 14px;
}

.footer-top a {
  border-bottom: 1px solid var(--color-accent-soft);
}

.footer-brand {
  min-width: 0;
}

.footer-brand-name {
  margin: 0 0 8px;
  color: var(--color-heading);
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 600;
}

.footer-brand-desc {
  margin: 0;
  color: var(--color-text-soft);
  font-size: 14px;
  line-height: 1.75;
}

.footer-group {
  min-width: 0;
}

.footer-group-title {
  margin: 0 0 12px;
  color: var(--color-heading);
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
}

.footer-group ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-group li {
  margin: 0 0 8px;
}

.footer-group a {
  color: var(--color-text-soft);
  font-size: 14px;
}

.footer-group a:hover,
.footer-group a:focus-visible {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.footer-copy {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid var(--color-line);
  color: var(--color-icon);
  font-size: 13px;
}

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

@media (max-width: 960px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 12px 20px;
  }

  .nav-toggle {
    display: flex;
  }

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

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-top: 10px;
    padding: 8px 0;
    border-top: 1px solid var(--color-line);
  }

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

  .nav-list a {
    display: block;
    padding: 12px 6px;
    border-bottom: 1px solid var(--color-line);
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    padding: 0 20px;
  }

  .hero-media img {
    height: 300px;
  }

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

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

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

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

  .page-layout.sidebar-left .sidebar,
  .page-layout.sidebar-left .section-sidebar,
  .page-layout.sidebar-left .section-toc,
  .page-layout.sidebar-left .sidebar-nav,
  .page-layout.sidebar-left .content-column,
  .page-layout.sidebar-left .inner-content,
  .page-layout.sidebar-left .main-column {
    grid-column: 1;
  }

  .sidebar,
  .section-sidebar,
  .section-toc,
  .sidebar-nav {
    position: static;
    top: auto;
  }

  .content-column,
  .inner-content,
  .main-column {
    max-width: 100%;
  }

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

@media (max-width: 640px) {
  body {
    font-size: 15px;
  }

  h1 {
    font-size: 26px;
  }

  h2 {
    font-size: 21px;
  }

  h3 {
    font-size: 17px;
  }

  .top-notice p {
    padding: 8px 18px;
  }

  .header-inner {
    padding: 10px 18px;
  }

  .brand {
    font-size: 18px;
  }

  .site-main {
    padding: 0 18px 40px;
  }

  .section-inner {
    padding: 0 18px;
  }

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

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

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

  .hero-media img {
    height: 220px;
  }

  .home-services,
  .home-process,
  .home-standard,
  .home-faq,
  .home-index {
    padding: 40px 0;
  }

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

  .standard-columns,
  .two-column,
  .audience-scene-columns,
  .checklist-grid,
  .order-columns {
    grid-template-columns: minmax(0, 1fr);
  }

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

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

  .matrix-item {
    grid-template-columns: minmax(0, 1fr);
    padding-left: 40px;
  }

  .section-media img,
  .media img,
  .guide-figure img {
    height: 200px;
  }

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

  .error-panel {
    padding: 28px 20px;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    padding: 32px 18px 24px;
  }
}