/* ==========================================================================
   九九影院电视剧大全 · 全站样式
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base：基础重置与全局排版
   -------------------------------------------------------------------------- */

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

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

body.site-body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #2c3e50;
  background-color: #f8f9fa;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4,
p,
ul,
ol,
dl,
dd,
figure,
figcaption,
blockquote {
  margin: 0;
  padding: 0;
}

ul,
ol {
  list-style: none;
}

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

a {
  color: #1a5276;
  text-decoration: none;
  transition: color 0.18s ease;
}

a:hover,
a:focus-visible {
  color: #148f77;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid #148f77;
  outline-offset: 2px;
}

strong {
  font-weight: 600;
  color: #1a5276;
}

button {
  font: inherit;
  color: inherit;
}

/* --------------------------------------------------------------------------
   layout：骨架容器、页头、主导航、页脚、内页主容器
   -------------------------------------------------------------------------- */

.shell {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: #ffffff;
  border-bottom: 1px solid #d5dbdb;
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 68px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
  color: #1a5276;
}

.brand:hover,
.brand:focus-visible {
  color: #148f77;
}

.brand-name {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.3;
}

.brand-tag {
  font-size: 12px;
  line-height: 1.4;
  color: #5d6d7e;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 44px;
  height: 44px;
  padding: 0 10px;
  background-color: #ffffff;
  border: 1px solid #d5dbdb;
  border-radius: 6px;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: #2c3e50;
}

.site-nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: flex-end;
}

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

.nav-list li {
  display: block;
}

.nav-list a {
  display: block;
  padding: 9px 12px;
  font-size: 15px;
  color: #2c3e50;
  border-radius: 6px;
  white-space: nowrap;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  background-color: #eef4f7;
  color: #1a5276;
}

.nav-list a.is-current {
  color: #1a5276;
  font-weight: 600;
  background-color: #eef4f7;
}

.site-main {
  display: block;
  padding-bottom: 40px;
}

.inner-main {
  padding-top: 18px;
}

.site-footer {
  margin-top: 24px;
  padding-top: 32px;
  background-color: #ffffff;
  border-top: 1px solid #d5dbdb;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(240px, 1.4fr) repeat(3, minmax(140px, 1fr));
  gap: 28px 24px;
  padding-bottom: 26px;
}

.footer-brand {
  max-width: 380px;
}

.footer-name {
  font-size: 17px;
  font-weight: 700;
  color: #1a5276;
  margin-bottom: 8px;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  color: #5d6d7e;
}

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

.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: #2c3e50;
  margin-bottom: 12px;
}

.footer-list li + li {
  margin-top: 8px;
}

.footer-list a {
  display: inline-block;
  padding: 3px 0;
  font-size: 14px;
  color: #5d6d7e;
}

.footer-list a:hover,
.footer-list a:focus-visible {
  color: #1a5276;
}

.footer-bottom {
  padding-top: 16px;
  padding-bottom: 22px;
  border-top: 1px solid #e6ebeb;
}

.footer-copy {
  font-size: 13px;
  line-height: 1.7;
  color: #5d6d7e;
}

/* --------------------------------------------------------------------------
   components：按钮、卡片、列表、表格、折叠项、面包屑、通用模块头
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 20px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease,
    border-color 0.18s ease, box-shadow 0.18s ease;
}

.btn-primary {
  background-color: #1a5276;
  border-color: #1a5276;
  color: #ffffff;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: #148f77;
  border-color: #148f77;
  color: #ffffff;
}

.btn-outline {
  background-color: #ffffff;
  border-color: #1a5276;
  color: #1a5276;
}

.btn-outline:hover,
.btn-outline:focus-visible {
  background-color: #eef4f7;
  color: #148f77;
  border-color: #148f77;
}

.btn-ghost {
  background-color: transparent;
  border-color: #d5dbdb;
  color: #2c3e50;
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background-color: #eef4f7;
  border-color: #1a5276;
  color: #1a5276;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 auto 18px;
  width: 100%;
  max-width: 1080px;
  padding: 0 20px;
  font-size: 14px;
  color: #5d6d7e;
}

.breadcrumb-sep {
  color: #a8b4b4;
}

.breadcrumb-current {
  color: #2c3e50;
}

.page-header {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px 22px;
}

.page-title {
  font-size: 32px;
  line-height: 1.35;
  font-weight: 700;
  color: #1a5276;
}

.page-description,
.page-intro {
  margin-top: 12px;
  max-width: 820px;
  font-size: 16px;
  line-height: 1.75;
  color: #5d6d7e;
}

.page-description a,
.page-intro a {
  border-bottom: 1px solid rgba(26, 82, 118, 0.35);
}

.section {
  padding: 26px 0;
}

.section-title {
  font-size: 24px;
  line-height: 1.4;
  font-weight: 700;
  color: #1a5276;
}

.section-lead {
  margin-top: 10px;
  max-width: 820px;
  font-size: 15px;
  line-height: 1.75;
  color: #5d6d7e;
}

.section-lead a {
  border-bottom: 1px solid rgba(26, 82, 118, 0.35);
}

.section-body {
  margin-top: 14px;
  max-width: 820px;
}

.section-body p + p {
  margin-top: 12px;
}

.section-body p {
  font-size: 16px;
  line-height: 1.8;
  color: #2c3e50;
}

.section-text {
  margin-top: 10px;
  max-width: 820px;
  font-size: 16px;
  line-height: 1.8;
  color: #2c3e50;
}

.section-head {
  max-width: 820px;
}

.section-desc {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.75;
  color: #5d6d7e;
}

.section-more {
  margin-top: 18px;
  font-size: 15px;
}

.link-more {
  display: inline-block;
  padding: 4px 0;
  font-weight: 600;
  color: #1a5276;
  border-bottom: 1px solid rgba(26, 82, 118, 0.4);
}

.link-more:hover,
.link-more:focus-visible {
  color: #148f77;
  border-bottom-color: rgba(20, 143, 119, 0.5);
}

/* 卡片通用外观 */
.channel-card,
.topic-card,
.boundary-item,
.scope-point,
.feedback-step,
.suggestion-item,
.criteria-item,
.note-item,
.step-item,
.tip-item,
.next-item {
  background-color: #ffffff;
  border: 1px solid #d5dbdb;
  border-radius: 8px;
}

/* 频道卡片 */
.channel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.channel-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  transition: transform 0.18s ease, box-shadow 0.18s ease,
    border-color 0.18s ease;
}

.channel-card:hover {
  transform: translateY(-2px);
  border-color: #1a5276;
  box-shadow: 0 6px 16px rgba(44, 62, 80, 0.1);
}

.channel-media {
  margin: -20px -20px 4px;
  overflow: hidden;
  border-radius: 8px 8px 0 0;
  aspect-ratio: 16 / 9;
  background-color: #eef4f7;
}

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

.channel-name {
  font-size: 18px;
  line-height: 1.4;
  font-weight: 600;
  color: #1a5276;
}

.channel-name a {
  color: inherit;
}

.channel-name a:hover,
.channel-name a:focus-visible {
  color: #148f77;
}

.channel-scope {
  font-size: 15px;
  line-height: 1.75;
  color: #2c3e50;
}

.channel-hint,
.channel-direction {
  font-size: 14px;
  line-height: 1.7;
  color: #5d6d7e;
}

/* 专题卡片 */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 22px;
}

.topic-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.18s ease,
    border-color 0.18s ease;
}

.topic-card:hover {
  transform: translateY(-2px);
  border-color: #148f77;
  box-shadow: 0 6px 16px rgba(44, 62, 80, 0.1);
}

.topic-media {
  aspect-ratio: 16 / 9;
  background-color: #eef4f7;
}

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

.topic-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px 20px;
}

.topic-name {
  font-size: 18px;
  line-height: 1.4;
  font-weight: 600;
  color: #1a5276;
}

.topic-scope {
  font-size: 15px;
  line-height: 1.75;
  color: #2c3e50;
}

.topic-hint {
  font-size: 14px;
  line-height: 1.7;
  color: #5d6d7e;
}

.topic-card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 12px;
}

.topic-tag {
  font-size: 13px;
  line-height: 1.5;
  color: #148f77;
  border: 1px solid rgba(20, 143, 119, 0.4);
  border-radius: 4px;
  padding: 2px 8px;
}

.topic-card .topic-scope,
.topic-card .topic-reason,
.topic-card .topic-direction {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.75;
  color: #2c3e50;
}

.topic-card .topic-reason,
.topic-card .topic-direction {
  font-size: 14px;
  color: #5d6d7e;
}

.topic-scope-label,
.topic-reason-label,
.topic-direction-label {
  display: block;
  margin-bottom: 2px;
  font-size: 13px;
  font-weight: 600;
  color: #1a5276;
}

.topic-link {
  align-self: flex-start;
  margin-top: 14px;
  padding: 4px 0;
  font-size: 15px;
  font-weight: 600;
  color: #1a5276;
  border-bottom: 1px solid rgba(26, 82, 118, 0.4);
}

.topic-link:hover,
.topic-link:focus-visible {
  color: #148f77;
  border-bottom-color: rgba(20, 143, 119, 0.5);
}

/* 分步要点清单（首页观看指引） */
.guide-steps {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  counter-reset: guide-step;
}

.guide-step {
  position: relative;
  padding: 18px 18px 18px 52px;
  background-color: #ffffff;
  border: 1px solid #d5dbdb;
  border-radius: 8px;
  counter-increment: guide-step;
}

.guide-step::before {
  content: counter(guide-step);
  position: absolute;
  top: 18px;
  left: 16px;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
  background-color: #148f77;
  border-radius: 50%;
}

.guide-step .step-name {
  font-size: 16px;
  line-height: 1.4;
  font-weight: 600;
  color: #1a5276;
  margin-bottom: 6px;
}

.guide-step p {
  font-size: 14px;
  line-height: 1.7;
  color: #5d6d7e;
}

/* 步骤清单（内页：索引查阅、观看准备） */
.step-list {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.step-item {
  position: relative;
  padding: 18px 18px 18px 56px;
}

.step-index {
  position: absolute;
  top: 18px;
  left: 18px;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
  background-color: #1a5276;
  border-radius: 50%;
}

.step-item .step-title {
  font-size: 16px;
  line-height: 1.4;
  font-weight: 600;
  color: #1a5276;
  margin-bottom: 6px;
}

.step-item .step-text {
  font-size: 14px;
  line-height: 1.75;
  color: #5d6d7e;
}

.step-item .step-text a {
  border-bottom: 1px solid rgba(26, 82, 118, 0.35);
}

/* 要点清单（题材选择建议、专题选入标准） */
.suggestion-list,
.criteria-list {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  counter-reset: point-order;
}

.suggestion-item,
.criteria-item {
  position: relative;
  padding: 18px 18px 18px 56px;
  counter-increment: point-order;
}

.suggestion-item::before,
.criteria-item::before {
  content: counter(point-order);
  position: absolute;
  top: 18px;
  left: 18px;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
  background-color: #148f77;
  border-radius: 50%;
}

.suggestion-title,
.criteria-title {
  font-size: 16px;
  line-height: 1.4;
  font-weight: 600;
  color: #1a5276;
  margin-bottom: 6px;
}

.suggestion-item p,
.criteria-item p {
  font-size: 14px;
  line-height: 1.75;
  color: #5d6d7e;
}

.criteria-note {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: #5d6d7e;
}

.criteria-note a {
  margin-right: 12px;
  border-bottom: 1px solid rgba(26, 82, 118, 0.35);
}

/* 要点列表（索引注意事项、设备建议、内容边界） */
.note-list,
.tip-list,
.boundary-list {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.note-item,
.tip-item,
.boundary-item {
  padding: 18px;
}

.note-item {
  padding-left: 40px;
  position: relative;
}

.note-item::before {
  content: "";
  position: absolute;
  top: 24px;
  left: 18px;
  width: 8px;
  height: 8px;
  background-color: #148f77;
  border-radius: 2px;
}

.tip-item .tip-title,
.boundary-item .point-title,
.note-item .point-title {
  font-size: 16px;
  line-height: 1.4;
  font-weight: 600;
  color: #1a5276;
  margin-bottom: 6px;
}

.tip-item .tip-text,
.boundary-item p,
.note-item p {
  font-size: 14px;
  line-height: 1.75;
  color: #5d6d7e;
}

/* 标准列表（题材分类标准） */
.standard-list {
  margin-top: 14px;
  display: grid;
  gap: 10px;
}

.standard-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: #2c3e50;
}

.standard-list li::before {
  content: "";
  position: absolute;
  top: 11px;
  left: 0;
  width: 8px;
  height: 8px;
  background-color: #148f77;
  border-radius: 2px;
}

/* 表格（剧集索引字段） */
.media-figure {
  margin-top: 20px;
  overflow: hidden;
  border: 1px solid #d5dbdb;
  border-radius: 8px;
  background-color: #ffffff;
}

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

.media-caption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: #5d6d7e;
  border-top: 1px solid #e6ebeb;
}

.field-table-grid {
  width: 100%;
  margin-top: 20px;
  border-collapse: collapse;
  background-color: #ffffff;
  border: 1px solid #d5dbdb;
  border-radius: 8px;
  overflow: hidden;
  font-size: 15px;
}

.field-table-caption {
  padding: 12px 16px;
  text-align: left;
  font-size: 14px;
  font-weight: 600;
  color: #1a5276;
  background-color: #eef4f7;
  border-bottom: 1px solid #d5dbdb;
}

.field-table-grid th,
.field-table-grid td {
  padding: 12px 16px;
  text-align: left;
  line-height: 1.7;
  border-bottom: 1px solid #e6ebeb;
  vertical-align: top;
}

.field-table-grid th {
  font-weight: 600;
  color: #1a5276;
  background-color: #f4f8fa;
}

.field-table-grid td {
  color: #2c3e50;
}

.field-table-grid tbody tr:last-child td {
  border-bottom: 0;
}

/* FAQ 折叠项 */
.faq-list {
  margin-top: 20px;
  display: grid;
  gap: 12px;
}

.faq-item {
  background-color: #ffffff;
  border: 1px solid #d5dbdb;
  border-radius: 8px;
  overflow: hidden;
}

.faq-question {
  padding: 16px 46px 16px 18px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: #1a5276;
  cursor: pointer;
  position: relative;
  list-style: none;
}

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

.faq-question::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 18px;
  transform: translateY(-50%);
  font-size: 20px;
  line-height: 1;
  color: #148f77;
}

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

.faq-answer {
  padding: 0 18px 16px;
  border-top: 1px solid #e6ebeb;
}

.faq-answer p {
  padding-top: 12px;
  font-size: 15px;
  line-height: 1.8;
  color: #5d6d7e;
}

/* 后续入口（观看指引页） */
.next-list {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.next-item {
  padding: 18px;
}

.next-title {
  font-size: 16px;
  line-height: 1.4;
  font-weight: 600;
  margin-bottom: 6px;
}

.next-title a {
  color: #1a5276;
}

.next-title a:hover,
.next-title a:focus-visible {
  color: #148f77;
}

.next-text {
  font-size: 14px;
  line-height: 1.75;
  color: #5d6d7e;
}

/* --------------------------------------------------------------------------
   pages：首页与各内页专属模块
   -------------------------------------------------------------------------- */

/* 首页 · 首屏定位区 */
.hero {
  padding: 34px 0 10px;
  background-color: #ffffff;
  border-bottom: 1px solid #d5dbdb;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

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

.hero-eyebrow {
  font-size: 14px;
  font-weight: 600;
  color: #148f77;
}

.hero-title {
  margin-top: 10px;
  font-size: 32px;
  line-height: 1.35;
  font-weight: 700;
  color: #1a5276;
}

.hero-lead {
  margin-top: 14px;
  font-size: 16px;
  line-height: 1.8;
  color: #5d6d7e;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid #e6ebeb;
}

.hero-fact dt {
  font-size: 13px;
  color: #5d6d7e;
}

.hero-fact dd {
  margin-top: 4px;
  font-size: 15px;
  font-weight: 600;
  color: #1a5276;
}

.hero-media {
  margin: 0;
  overflow: hidden;
  border: 1px solid #d5dbdb;
  border-radius: 8px;
  background-color: #ffffff;
}

.hero-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.hero-media figcaption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: #5d6d7e;
  border-top: 1px solid #e6ebeb;
}

/* 首页 · 题材频道总览 */
.channels {
  padding: 40px 0 10px;
}

/* 首页 · 专题片单速览 */
.topics {
  padding: 40px 0 10px;
}

/* 首页 · 观看指引摘要 */
.guide {
  padding: 40px 0 10px;
}

.guide-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.guide-copy {
  min-width: 0;
}

.guide-media {
  margin: 0;
  overflow: hidden;
  border: 1px solid #d5dbdb;
  border-radius: 8px;
  background-color: #ffffff;
}

.guide-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.guide-media figcaption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: #5d6d7e;
  border-top: 1px solid #e6ebeb;
}

/* 首页 · 收录边界与反馈入口 */
.boundary {
  padding: 40px 0 10px;
}

.boundary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.boundary-item {
  padding: 20px;
}

.boundary-name {
  font-size: 18px;
  line-height: 1.4;
  font-weight: 600;
  color: #1a5276;
  margin-bottom: 8px;
}

.boundary-item p {
  font-size: 15px;
  line-height: 1.8;
  color: #2c3e50;
}

.boundary .section-more a + a {
  margin-left: 16px;
}

/* 内页 · 题材频道 */
.section-standard .section-body ul.standard-list {
  margin-top: 14px;
}

.section-channels .channel-grid {
  margin-top: 20px;
}

.section-channels .channel-card {
  padding: 0 0 20px;
}

.section-channels .channel-media {
  margin: 0 0 14px;
  border-radius: 8px 8px 0 0;
}

.section-channels .channel-name,
.section-channels .channel-scope,
.section-channels .channel-direction {
  padding: 0 20px;
}

/* 内页 · 专题片单 */
.curation-body {
  margin-top: 14px;
  max-width: 820px;
}

.curation-body p {
  font-size: 16px;
  line-height: 1.8;
  color: #2c3e50;
}

.curation-body p + p {
  margin-top: 12px;
}

.curation-figure {
  margin-top: 22px;
  overflow: hidden;
  border: 1px solid #d5dbdb;
  border-radius: 8px;
  background-color: #ffffff;
}

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

.curation-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: #5d6d7e;
  border-top: 1px solid #e6ebeb;
}

/* 内页 · 剧集索引 */
.field-table .media-figure {
  margin-top: 22px;
}

/* 内页 · 观看指引 */
.guide-figure {
  margin-top: 22px;
  overflow: hidden;
  border: 1px solid #d5dbdb;
  border-radius: 8px;
  background-color: #ffffff;
}

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

.guide-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: #5d6d7e;
  border-top: 1px solid #e6ebeb;
}

/* 内页 · 收录边界与反馈 */
.scope-figure {
  margin-top: 22px;
  overflow: hidden;
  border: 1px solid #d5dbdb;
  border-radius: 8px;
  background-color: #ffffff;
}

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

.scope-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: #5d6d7e;
  border-top: 1px solid #e6ebeb;
}

.scope-points,
.feedback-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.scope-point,
.feedback-step {
  padding: 18px;
}

.scope-point .point-title,
.feedback-step .point-title {
  font-size: 16px;
  line-height: 1.4;
  font-weight: 600;
  color: #1a5276;
  margin-bottom: 6px;
}

.scope-point p,
.feedback-step p {
  font-size: 14px;
  line-height: 1.75;
  color: #5d6d7e;
}

.feedback-step p a {
  border-bottom: 1px solid rgba(26, 82, 118, 0.35);
}

.boundary-note,
.feedback-note {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: #5d6d7e;
}

.boundary-note a {
  margin-right: 12px;
  border-bottom: 1px solid rgba(26, 82, 118, 0.35);
}

.feedback-note a {
  border-bottom: 1px solid rgba(26, 82, 118, 0.35);
}

/* 404 页 */
.error-main {
  padding: 60px 0 40px;
}

.error-block {
  max-width: 720px;
  padding: 32px;
  background-color: #ffffff;
  border: 1px solid #d5dbdb;
  border-radius: 8px;
}

.error-code {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.1;
  color: #148f77;
}

.error-block h1 {
  margin-top: 12px;
  font-size: 28px;
  line-height: 1.4;
  font-weight: 700;
  color: #1a5276;
}

.error-text {
  margin-top: 12px;
  font-size: 16px;
  line-height: 1.8;
  color: #5d6d7e;
}

.error-text + .error-text {
  margin-top: 8px;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* --------------------------------------------------------------------------
   responsive：断点 900px / 768px / 480px
   -------------------------------------------------------------------------- */

@media (max-width: 900px) {
  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-brand {
    grid-column: 1 / -1;
    max-width: none;
  }

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

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

  .header-inner {
    min-height: 60px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    flex: 1 1 100%;
    order: 3;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    width: 100%;
    padding: 8px 0 12px;
    border-top: 1px solid #e6ebeb;
  }

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

  .nav-list a {
    padding: 12px 10px;
    font-size: 16px;
  }

  .breadcrumb,
  .page-header {
    padding-left: 16px;
    padding-right: 16px;
  }

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

  .hero {
    padding-top: 26px;
  }

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

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

  .error-block {
    padding: 24px 20px;
  }

  .error-code {
    font-size: 36px;
  }

  .error-block h1 {
    font-size: 22px;
  }

  .field-table-grid {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .field-table-grid thead,
  .field-table-grid tbody,
  .field-table-grid tr {
    min-width: 520px;
  }
}

@media (max-width: 480px) {
  body.site-body {
    font-size: 15px;
  }

  .channel-grid,
  .topic-grid,
  .guide-steps,
  .step-list,
  .suggestion-list,
  .criteria-list,
  .note-list,
  .tip-list,
  .boundary-list,
  .next-list,
  .boundary-grid,
  .scope-points,
  .feedback-steps,
  .hero-facts {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }

  .hero-actions .btn,
  .error-actions .btn {
    width: 100%;
  }

  .boundary .section-more a + a {
    margin-left: 0;
    margin-top: 10px;
    display: inline-block;
  }
}