/* ==========================================================================
   光棍影视 · 全站样式表
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base：变量、重置、排版基线
   -------------------------------------------------------------------------- */
:root {
  --c-text: #1c1f24;
  --c-text-soft: #5b626c;
  --c-text-faint: #7c848e;
  --c-bg: #f7f7f5;
  --c-surface: #ffffff;
  --c-accent: #3f6b5c;
  --c-accent-soft: #eef2ef;
  --c-line: #e2e2de;
  --c-line-strong: #cfd2cc;
  --c-dark: #23272e;
  --c-dark-soft: #2d323a;

  --font-base: "Helvetica Neue", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", Arial, sans-serif;

  --w-container: 1120px;
  --w-narrow: 860px;

  --radius: 6px;
  --radius-sm: 4px;

  --space-1: 8px;
  --space-2: 14px;
  --space-3: 22px;
  --space-4: 34px;
  --space-5: 52px;
  --space-6: 76px;
}

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

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

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

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

p {
  margin: 0;
}

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

dl,
dd,
dt,
figure,
figcaption {
  margin: 0;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 0;
}

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

a:hover,
a:focus-visible {
  color: var(--c-dark);
}

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

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

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

time {
  font-style: normal;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   layout：站点骨架 —— 页头、导航、主容器、页脚
   -------------------------------------------------------------------------- */
.site-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-base);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: rgba(247, 247, 245, 0.96);
  border-bottom: 1px solid var(--c-line);
  backdrop-filter: saturate(140%) blur(6px);
}

.site-header .brand {
  display: inline-flex;
  align-items: center;
  min-height: 56px;
  padding: 0 20px;
  font-size: 18px;
  font-weight: 600;
  color: var(--c-text);
  letter-spacing: 0;
}

.site-header .brand:hover {
  color: var(--c-accent);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 0 20px;
  min-height: 56px;
}

.site-nav .nav-toggle {
  display: none;
  min-width: 44px;
  min-height: 44px;
  padding: 0 14px;
  background-color: transparent;
  border: 1px solid var(--c-line-strong);
  border-radius: var(--radius-sm);
  color: var(--c-text);
  font-size: 14px;
}

.site-nav .nav-toggle::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 2px;
  margin-right: 8px;
  vertical-align: middle;
  background-color: var(--c-text);
  box-shadow: 0 5px 0 var(--c-text), 0 -5px 0 var(--c-text);
}

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

.site-nav .nav-list li {
  display: block;
}

.site-nav .nav-list a {
  display: block;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--c-text-soft);
  font-size: 14px;
  white-space: nowrap;
}

.site-nav .nav-list a:hover {
  color: var(--c-text);
  background-color: var(--c-accent-soft);
}

.site-nav .nav-list a.is-current {
  color: var(--c-text);
  font-weight: 600;
  border-bottom: 2px solid var(--c-accent);
  border-radius: 0;
}

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

.home-main {
  display: block;
}

.inner-main {
  display: block;
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 0 20px 64px;
}

/* 页脚 */
.site-footer {
  margin-top: auto;
  background-color: #f1f1ee;
  border-top: 1px solid var(--c-line);
  color: var(--c-text-soft);
  font-size: 14px;
}

.footer-groups {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px 32px;
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 44px 20px 32px;
}

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

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

.footer-group .footer-list a {
  color: var(--c-text-soft);
}

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

.footer-bottom {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 20px 20px 34px;
  border-top: 1px solid var(--c-line);
}

.footer-brand {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
}

.footer-note {
  margin-top: 6px;
  color: var(--c-text-soft);
}

.footer-copy {
  margin-top: 10px;
  font-size: 13px;
  color: var(--c-text-faint);
}

/* 内页骨架：面包屑 + 页面标题区 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 22px 0 0;
  font-size: 13px;
  color: var(--c-text-faint);
}

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

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

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

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

.page-header,
.inner-main .page-header {
  padding: 18px 0 30px;
  border-bottom: 1px solid var(--c-line);
  margin-bottom: 38px;
}

.page-title {
  font-size: 32px;
  font-weight: 600;
  color: var(--c-text);
}

.page-description {
  max-width: 780px;
  margin-top: 12px;
  font-size: 15px;
  color: var(--c-text-soft);
}

/* 通用 section 标题 */
.section-head {
  max-width: var(--w-container);
  margin: 0 auto 26px;
  padding: 0 20px;
}

.section-title {
  font-size: 23px;
  font-weight: 600;
}

.section-lead,
.section-intro {
  max-width: 760px;
  margin-top: 10px;
  font-size: 15px;
  color: var(--c-text-soft);
}

.section-intro a {
  color: var(--c-accent);
  border-bottom: 1px solid rgba(63, 107, 92, 0.35);
}

.section-intro a:hover {
  color: var(--c-dark);
  border-color: var(--c-dark);
}

/* --------------------------------------------------------------------------
   components：跨页面复用的模块
   -------------------------------------------------------------------------- */

/* 首页首屏 */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  gap: 40px;
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 52px 20px 56px;
  border-bottom: 1px solid var(--c-line);
}

.hero-side {
  align-self: start;
}

.hero-side-title {
  margin-bottom: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text-faint);
}

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

.hero-entry a {
  display: block;
  padding: 14px 16px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  color: var(--c-text);
}

.hero-entry a:hover {
  border-color: var(--c-accent);
  background-color: var(--c-accent-soft);
  transform: translateX(3px);
}

.hero-entry .entry-name {
  display: block;
  font-size: 15px;
  font-weight: 600;
}

.hero-entry .entry-desc {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: var(--c-text-soft);
}

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

.hero-title {
  font-size: 34px;
  font-weight: 600;
  color: var(--c-text);
}

.hero-lead {
  max-width: 680px;
  margin-top: 14px;
  font-size: 16px;
  color: var(--c-text-soft);
}

.hero-media {
  margin-top: 26px;
  border-radius: var(--radius);
  overflow: hidden;
  background-color: #e6e6e2;
}

.hero-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* 首页：题材频道方向总览 */
.channels-overview {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 56px 20px 50px;
  border-bottom: 1px solid var(--c-line);
}

.channel-rows {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--c-line);
}

.channel-row {
  border-bottom: 1px solid var(--c-line);
}

.channel-row a {
  display: grid;
  grid-template-columns: minmax(0, 150px) minmax(0, 1.5fr) minmax(0, 1fr) auto;
  gap: 20px;
  align-items: baseline;
  padding: 20px 14px;
  color: var(--c-text);
}

.channel-row a:hover {
  background-color: var(--c-accent-soft);
  transform: translateX(3px);
}

.channel-row .channel-name {
  font-size: 17px;
  font-weight: 600;
}

.channel-row .channel-tone {
  font-size: 15px;
  color: var(--c-text-soft);
}

.channel-row .channel-audience {
  font-size: 14px;
  color: var(--c-text-faint);
}

.channel-row .channel-enter {
  justify-self: end;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-accent);
  white-space: nowrap;
}

/* 首页：本期专题片单速览 */
.collections-preview {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 56px 20px 50px;
  border-bottom: 1px solid var(--c-line);
}

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

.collection-card {
  display: flex;
  flex-direction: column;
  background-color: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.collection-card:hover {
  border-color: var(--c-line-strong);
  transform: translateY(-2px);
}

.collection-media {
  background-color: #e6e6e2;
}

.collection-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.collection-card .collection-name {
  padding: 18px 18px 0;
  font-size: 17px;
  font-weight: 600;
}

.collection-card .collection-scope {
  padding: 8px 18px 0;
  font-size: 14px;
  color: var(--c-text-soft);
}

.collection-card .collection-count {
  padding: 6px 18px 0;
  font-size: 13px;
  color: var(--c-text-faint);
}

.collection-card .collection-enter {
  margin: 16px 18px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-accent);
}

.collection-card .collection-enter:hover {
  color: var(--c-dark);
}

/* 字段表：首页与字段页共用 */
.field-table {
  border-top: 1px solid var(--c-line-strong);
  font-size: 15px;
}

.field-table caption {
  text-align: left;
}

.field-table th,
.field-table td {
  padding: 15px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--c-line);
}

.field-table thead th {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text-soft);
  background-color: #f2f2ef;
}

.field-table tbody th {
  width: 22%;
  font-weight: 600;
  color: var(--c-text);
}

.field-table tbody td {
  color: var(--c-text-soft);
}

.field-table tbody tr:hover {
  background-color: #fbfbf9;
}

/* 步骤清单：首页与观看指南共用基类 */
.step-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--c-line);
}

.step-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--c-line);
}

.step-item .step-index {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-accent);
}

.step-item .step-name {
  font-size: 17px;
  font-weight: 600;
}

.step-item .step-desc,
.step-item .step-text {
  margin-top: 6px;
  font-size: 15px;
  color: var(--c-text-soft);
}

.step-item .step-text a {
  color: var(--c-accent);
  border-bottom: 1px solid rgba(63, 107, 92, 0.35);
}

/* 更新记录 */
.log-list {
  border-top: 1px solid var(--c-line);
}

.log-item {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--c-line);
}

.log-item time {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text-faint);
}

.log-item p {
  font-size: 15px;
  color: var(--c-text-soft);
}

/* FAQ */
.faq-item {
  border-bottom: 1px solid var(--c-line);
}

.faq-question {
  position: relative;
  padding: 18px 40px 18px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
  cursor: pointer;
  list-style: none;
}

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

.faq-question::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  font-weight: 400;
  color: var(--c-accent);
}

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

.faq-answer {
  padding: 0 40px 20px 0;
  font-size: 15px;
  color: var(--c-text-soft);
}

/* 图片说明块 */
.media-figure,
.field-figure,
.guide-flow,
.scope-figure {
  background-color: #e6e6e2;
  border-radius: var(--radius);
  overflow: hidden;
}

.media-figure img,
.field-figure img,
.guide-flow img,
.scope-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.media-figure figcaption,
.field-figure figcaption,
.guide-flow figcaption,
.scope-figure figcaption {
  padding: 10px 14px;
  background-color: var(--c-surface);
  border-top: 1px solid var(--c-line);
  font-size: 13px;
  color: var(--c-text-faint);
}

/* --------------------------------------------------------------------------
   pages：各页内部业务模块
   -------------------------------------------------------------------------- */

/* 首页 · 条目字段与收录边界摘要 */
.fields-summary {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 56px 20px 50px;
  border-bottom: 1px solid var(--c-line);
}

.fields-more {
  margin-top: 20px;
  font-size: 14px;
}

.fields-more a {
  font-weight: 600;
  color: var(--c-accent);
}

/* 首页 · 查阅路径三步摘要 */
.guide-steps {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 56px 20px 50px;
  border-bottom: 1px solid var(--c-line);
}

.steps-more {
  margin-top: 22px;
  font-size: 14px;
}

.steps-more a {
  font-weight: 600;
  color: var(--c-accent);
}

/* 首页 · 收录边界与反馈入口 */
.feedback-entry {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 56px 20px 64px;
}

.feedback-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 28px 40px;
  padding: 26px 28px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.feedback-scope {
  font-size: 15px;
  color: var(--c-text-soft);
}

.feedback-path {
  font-size: 15px;
  color: var(--c-text-soft);
}

.feedback-more {
  grid-column: 1 / -1;
  padding-top: 18px;
  border-top: 1px solid var(--c-line);
  font-size: 14px;
}

.feedback-more a {
  font-weight: 600;
  color: var(--c-accent);
}

/* 题材频道页 */
.channel-overview {
  padding-bottom: 12px;
}

.channel-block {
  display: grid;
  grid-template-columns: minmax(0, 380px) minmax(0, 1fr);
  gap: 32px;
  padding: 34px 0;
  border-top: 1px solid var(--c-line);
}

.channel-block:last-of-type {
  border-bottom: 1px solid var(--c-line);
}

.channel-media {
  min-width: 0;
}

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

.channel-body {
  min-width: 0;
}

.channel-body .channel-name {
  font-size: 20px;
  font-weight: 600;
}

.channel-body .channel-desc {
  margin-top: 12px;
  font-size: 15px;
  color: var(--c-text-soft);
}

.channel-body .channel-meta {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 8px 16px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--c-line);
  font-size: 14px;
}

.channel-body .channel-meta dt {
  font-weight: 600;
  color: var(--c-text);
}

.channel-body .channel-meta dd {
  color: var(--c-text-soft);
}

.channel-body .channel-enter {
  margin-top: 18px;
  font-size: 14px;
  font-weight: 600;
}

.channel-body .channel-enter a {
  color: var(--c-accent);
}

.channel-body .channel-enter a:hover {
  color: var(--c-dark);
}

/* 题材频道页 · 频道到专题路径 */
.channel-path {
  padding-top: 46px;
}

.path-list {
  margin-top: 26px;
  border-top: 1px solid var(--c-line);
}

.path-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--c-line);
}

.path-item .path-index {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-accent);
}

.path-item .path-name {
  font-size: 17px;
  font-weight: 600;
}

.path-item .path-desc {
  margin-top: 6px;
  font-size: 15px;
  color: var(--c-text-soft);
}

.path-note {
  margin-top: 22px;
  font-size: 14px;
  color: var(--c-text-soft);
}

.path-note a {
  font-weight: 600;
  color: var(--c-accent);
}

/* 专题片单页 */
.section {
  padding-bottom: 46px;
}

.collection-list-section {
  padding-top: 4px;
}

.collection-list-section .collection-card {
  display: grid;
  grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
  gap: 0;
  margin-top: 22px;
}

.collection-list-section .collection-card:hover {
  transform: none;
}

.collection-list-section .collection-media img {
  height: 100%;
  aspect-ratio: 3 / 2;
}

.collection-list-section .collection-body {
  display: flex;
  flex-direction: column;
  padding: 22px 24px;
  min-width: 0;
}

.collection-list-section .collection-name {
  font-size: 19px;
  font-weight: 600;
}

.collection-list-section .collection-theme {
  margin-top: 10px;
  font-size: 15px;
  color: var(--c-text-soft);
}

.collection-list-section .collection-meta {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 8px 16px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--c-line);
  font-size: 14px;
}

.collection-list-section .collection-meta dt {
  font-weight: 600;
  color: var(--c-text);
}

.collection-list-section .collection-meta dd {
  color: var(--c-text-soft);
}

.collection-list-section .collection-enter {
  margin-top: auto;
  padding-top: 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-accent);
}

.adjustment-log-section {
  padding-top: 8px;
}

.collection-path-section {
  padding-top: 8px;
}

.path-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 24px;
}

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

.path-column .path-title {
  font-size: 16px;
  font-weight: 600;
}

.path-column .path-text {
  margin-top: 10px;
  font-size: 14px;
  color: var(--c-text-soft);
}

/* 条目字段说明页 */
.field-intro {
  padding-bottom: 46px;
}

.field-figure {
  margin-top: 26px;
}

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

.field-intro-note {
  margin-top: 18px;
  font-size: 14px;
  color: var(--c-text-soft);
}

.field-intro-note a {
  font-weight: 600;
  color: var(--c-accent);
}

.field-table-section {
  padding-bottom: 46px;
}

.field-boundary {
  padding-bottom: 46px;
}

.boundary-item {
  padding: 24px 0;
  border-top: 1px solid var(--c-line);
}

.boundary-item:last-child {
  border-bottom: 1px solid var(--c-line);
}

.boundary-title {
  font-size: 17px;
  font-weight: 600;
}

.boundary-item p {
  margin-top: 10px;
  font-size: 15px;
  color: var(--c-text-soft);
}

.field-scope {
  padding-bottom: 16px;
}

.scope-list {
  margin-top: 22px;
}

.scope-entry {
  padding: 20px 0;
  border-top: 1px solid var(--c-line);
}

.scope-entry:last-child {
  border-bottom: 1px solid var(--c-line);
}

.scope-title {
  font-size: 16px;
  font-weight: 600;
}

.scope-entry p {
  margin-top: 8px;
  font-size: 15px;
  color: var(--c-text-soft);
}

.scope-note {
  margin-top: 22px;
  font-size: 14px;
  color: var(--c-text-soft);
}

.scope-note a {
  font-weight: 600;
  color: var(--c-accent);
}

/* 观看指南页 */
.guide-steps .guide-flow {
  margin-top: 26px;
}

.guide-flow img {
  aspect-ratio: 16 / 7;
}

.guide-steps .step-list {
  margin-top: 30px;
}

.entry-check {
  padding-bottom: 46px;
}

.check-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 32px;
  margin-top: 24px;
  border-top: 1px solid var(--c-line);
}

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

.check-name {
  font-size: 16px;
  font-weight: 600;
}

.check-text {
  margin-top: 8px;
  font-size: 15px;
  color: var(--c-text-soft);
}

.faq {
  padding-bottom: 16px;
}

.faq .faq-item:first-of-type {
  border-top: 1px solid var(--c-line);
  margin-top: 24px;
}

/* 收录边界与反馈页 */
.boundary-scope {
  padding-bottom: 46px;
}

.scope-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 26px;
}

.scope-block {
  padding: 24px 24px 20px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.scope-block h3 {
  font-size: 17px;
  font-weight: 600;
}

.scope-block > p {
  margin-top: 10px;
  font-size: 15px;
  color: var(--c-text-soft);
}

.scope-block .scope-list {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--c-line);
}

.scope-block .scope-list li {
  position: relative;
  padding: 6px 0 6px 18px;
  font-size: 14px;
  color: var(--c-text-soft);
}

.scope-block .scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--c-accent);
}

.scope-excluded .scope-list li::before {
  background-color: var(--c-line-strong);
}

.scope-figure {
  margin-top: 26px;
}

.scope-figure img {
  aspect-ratio: 16 / 7;
}

.adjustment-log {
  padding-bottom: 46px;
}

.adjustment-log .log-list {
  margin-top: 24px;
}

.feedback-path {
  padding-bottom: 16px;
}

.path-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  margin-top: 26px;
}

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

.path-step h3 {
  font-size: 16px;
  font-weight: 600;
}

.path-step p {
  margin-top: 10px;
  font-size: 14px;
  color: var(--c-text-soft);
}

.path-step p a {
  font-weight: 600;
  color: var(--c-accent);
}

.feedback-note {
  margin-top: 26px;
  padding: 24px 26px;
  background-color: var(--c-accent-soft);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.feedback-note h3 {
  font-size: 16px;
  font-weight: 600;
}

.feedback-note p {
  margin-top: 10px;
  font-size: 14px;
  color: var(--c-text-soft);
}

/* 404 页 */
.error-main {
  display: block;
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 0 20px 64px;
}

.error-intro {
  padding: 64px 0 40px;
  border-bottom: 1px solid var(--c-line);
}

.error-title {
  font-size: 32px;
  font-weight: 600;
}

.error-text {
  max-width: 680px;
  margin-top: 14px;
  font-size: 16px;
  color: var(--c-text-soft);
}

.error-home {
  display: inline-block;
  min-height: 44px;
  margin-top: 24px;
  padding: 10px 22px;
  background-color: var(--c-dark);
  border-radius: var(--radius-sm);
  color: #f7f7f5;
  font-size: 15px;
  font-weight: 600;
  line-height: 24px;
}

.error-home:hover {
  background-color: var(--c-accent);
  color: #ffffff;
}

.error-paths {
  padding: 44px 0 40px;
  border-bottom: 1px solid var(--c-line);
}

.error-paths-title {
  font-size: 22px;
  font-weight: 600;
}

.error-paths-text {
  max-width: 720px;
  margin-top: 10px;
  font-size: 15px;
  color: var(--c-text-soft);
}

.error-paths-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.error-paths-list a {
  display: block;
  min-height: 44px;
  padding: 12px 16px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  color: var(--c-text);
  font-size: 15px;
  line-height: 20px;
}

.error-paths-list a:hover {
  border-color: var(--c-accent);
  background-color: var(--c-accent-soft);
}

.error-scope {
  padding: 40px 0 0;
}

.error-scope-title {
  font-size: 22px;
  font-weight: 600;
}

.error-scope-text {
  max-width: 720px;
  margin-top: 10px;
  font-size: 15px;
  color: var(--c-text-soft);
}

/* --------------------------------------------------------------------------
   responsive：960px 与 640px 断点
   -------------------------------------------------------------------------- */
@media (max-width: 960px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
    padding: 40px 20px 44px;
  }

  .hero-side {
    order: 2;
  }

  .hero-main {
    order: 1;
  }

  .hero-title {
    font-size: 30px;
  }

  .channel-row a {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 6px 16px;
    align-items: start;
  }

  .channel-row .channel-name {
    grid-column: 1;
  }

  .channel-row .channel-enter {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: center;
  }

  .channel-row .channel-tone {
    grid-column: 1;
  }

  .channel-row .channel-audience {
    grid-column: 1;
  }

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

  .channel-block {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .collection-list-section .collection-card {
    grid-template-columns: minmax(0, 1fr);
  }

  .collection-list-section .collection-media img {
    aspect-ratio: 16 / 9;
  }

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

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

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

@media (max-width: 640px) {
  .site-header .brand {
    padding: 0 16px;
  }

  .site-nav {
    position: relative;
    padding: 0 16px;
  }

  .site-nav .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-nav .nav-list {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px 16px;
    background-color: #f7f7f5;
    border-bottom: 1px solid var(--c-line);
  }

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

  .site-nav .nav-list a {
    min-height: 44px;
    padding: 12px 8px;
    font-size: 15px;
    border-bottom: 1px solid var(--c-line);
    border-radius: 0;
  }

  .site-nav .nav-list a.is-current {
    border-bottom: 1px solid var(--c-line);
    color: var(--c-accent);
  }

  .inner-main,
  .error-main {
    padding: 0 16px 48px;
  }

  .section-head {
    padding: 0 16px;
  }

  .hero {
    padding: 32px 16px 36px;
  }

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

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

  .channels-overview,
  .collections-preview,
  .fields-summary,
  .guide-steps,
  .feedback-entry {
    padding: 40px 16px 36px;
  }

  .page-title {
    font-size: 25px;
  }

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

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

  .feedback-body {
    grid-template-columns: minmax(0, 1fr);
    padding: 22px 20px;
  }

  .field-table th,
  .field-table td {
    padding: 12px 10px;
    font-size: 14px;
  }

  .field-table tbody th {
    width: 34%;
  }

  .step-item,
  .path-item {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 12px;
  }

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

  .channel-body .channel-meta,
  .collection-list-section .collection-meta {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .check-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

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

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

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

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

  .error-title {
    font-size: 25px;
  }

  .footer-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 20px;
    padding: 34px 16px 24px;
  }

  .footer-bottom {
    padding: 18px 16px 30px;
  }

  .faq-question {
    padding-right: 32px;
  }

  .faq-answer {
    padding-right: 0;
  }
}