@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Source+Sans+3:wght@300;400;500;600;700&display=swap');

/* ===== 基础重置 ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Source Sans 3', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  color: #111;
  background: #fff;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul, ol {
  list-style: none;
}

hr {
  border: none;
  border-top: 2px solid #000;
  margin: 0.75rem 0 1.25rem;
}

/* ===== CSS 变量 ===== */
:root {
  --black: #000000;
  --white: #ffffff;
  --gray-100: #f5f5f5;
  --gray-200: #e8e8e8;
  --gray-400: #999;
  --gray-700: #333;
  --accent: #d4a0b0;
  --accent-light: #f7eff2;
  --radius: 18px;
  --header-h: 120px;
  --max-w: 1200px;
  --gap: 2rem;
}

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--black);
  color: var(--white);
  border-bottom: 3px solid var(--accent);
}

.header-brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 2rem;
  border-bottom: 1px solid #333;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-mark {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.brand-name {
  font-family: 'Bebas Neue', 'Impact', sans-serif;
  font-size: 1.75rem;
  letter-spacing: 0.08em;
  color: var(--white);
  text-decoration: none;
  line-height: 1;
}

.brand-name:hover {
  color: var(--accent);
  text-decoration: none;
}

.header-cta-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1.25rem;
  background: var(--white);
  color: var(--black);
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  border-radius: 4px;
  min-height: 40px;
  transition: background 0.2s, color 0.2s;
  text-decoration: none;
}

.header-cta-btn:hover {
  background: var(--accent);
  color: var(--white);
  text-decoration: none;
}

/* 导航：header > nav > p > a */
.site-nav {
  padding: 0 2rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.site-nav::-webkit-scrollbar {
  display: none;
}

.nav-links {
  display: flex;
  flex-wrap: nowrap;
  gap: 0;
  white-space: nowrap;
  margin: 0;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  padding: 0.65rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-200);
  letter-spacing: 0.03em;
  text-decoration: none;
  min-height: 44px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--white);
  border-bottom-color: var(--accent);
  text-decoration: none;
}

/* ===== HERO ===== */
.hero-section {
  position: relative;
  overflow: hidden;
  background: var(--black);
  min-height: 45vh;
  display: flex;
  align-items: stretch;
}

.hero-inner {
  position: relative;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 45vh;
}

.hero-media {
  position: relative;
  overflow: hidden;
  order: 2;
}

.hero-media--empty {
  background: linear-gradient(135deg, #1a1a1a 0%, #333 100%);
}

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

.hero-content {
  position: relative;
  z-index: 2;
  padding: 3.5rem 3rem 3.5rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
  order: 1;
  background: var(--black);
}

.hero-eyebrow {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-transform: uppercase;
}

.hero-h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.05;
  color: var(--white);
  letter-spacing: 0.04em;
}

.hero-lead {
  font-size: 1rem;
  color: var(--gray-400);
  line-height: 1.6;
  max-width: 40ch;
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  padding: 0.7rem 1.6rem;
  background: var(--white);
  color: var(--black);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  border-radius: 4px;
  min-height: 44px;
  transition: background 0.2s, color 0.2s;
  text-decoration: none;
}

.hero-btn:hover {
  background: var(--accent);
  color: var(--white);
  text-decoration: none;
}

/* 斜切装饰 */
.hero-slash {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--white);
  clip-path: polygon(0 100%, 100% 100%, 100% 0);
  z-index: 3;
}

/* ===== SECTION HERO ===== */
.section-hero--compact {
  min-height: 28vh;
  background: var(--black);
  position: relative;
  overflow: hidden;
}

.section-hero-inner {
  padding: 2.5rem 2rem 3.5rem;
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.section-h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--white);
  letter-spacing: 0.05em;
  line-height: 1.1;
}

.section-lead {
  color: var(--gray-400);
  font-size: 1rem;
  max-width: 60ch;
}

/* ===== 面包屑 ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--gray-400);
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--accent);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

/* ===== 内容网格（aside 在左） ===== */
.content-grid {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--gap);
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2.5rem 2rem;
  align-items: start;
}

/* aside 在左 */
.home-aside,
.section-aside,
.story-aside,
.tag-aside,
.about-aside,
.privacy-aside,
.default-aside {
  grid-column: 1;
  position: sticky;
  top: 130px;
}

.home-main-content,
.section-main,
.tag-main,
.about-content,
.privacy-content,
.default-content {
  grid-column: 2;
}

/* ===== ASIDE 样式 ===== */
.aside-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  color: var(--black);
  margin-top: 1.25rem;
}

.aside-title:first-child {
  margin-top: 0;
}

.aside-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.aside-nav-list li a {
  display: block;
  padding: 0.45rem 0.75rem;
  font-size: 0.9rem;
  color: var(--gray-700);
  border-left: 3px solid transparent;
  transition: border-color 0.15s, color 0.15s;
  text-decoration: none;
}

.aside-nav-list li a:hover,
.aside-nav-list li a.active {
  border-left-color: var(--black);
  color: var(--black);
  font-weight: 600;
  text-decoration: none;
}

.aside-section-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.section-nav-item {
  border-left: 3px solid var(--gray-200);
  padding-left: 0.75rem;
  transition: border-color 0.15s;
}

.section-nav-item:hover {
  border-left-color: var(--black);
}

.section-nav-link {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  text-decoration: none;
}

.section-nav-link strong {
  font-size: 0.875rem;
  color: var(--black);
}

.section-nav-link small {
  font-size: 0.75rem;
  color: var(--gray-400);
  line-height: 1.4;
}

/* 标签云 */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.25rem;
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.7rem;
  border: 1.5px solid var(--black);
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--black);
  background: transparent;
  transition: background 0.15s, color 0.15s;
  text-decoration: none;
  min-height: 32px;
}

.tag-chip:hover {
  background: var(--black);
  color: var(--white);
  text-decoration: none;
}

/* ===== PROSE ===== */
.prose {
  font-size: 1rem;
  line-height: 1.75;
  color: #222;
}

.prose h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.7rem;
  letter-spacing: 0.06em;
  margin: 2rem 0 0.25rem;
  color: var(--black);
}

.prose h3 {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  margin: 1.5rem 0 0.5rem;
}

.prose p {
  margin-bottom: 1.2rem;
}

.prose ul,
.prose ol {
  margin: 0 0 1.2rem 1.5rem;
  list-style: disc;
}

.prose ol {
  list-style: decimal;
}

.prose li {
  margin-bottom: 0.4rem;
  line-height: 1.7;
}

.prose blockquote {
  border-left: 4px solid var(--black);
  padding: 0.75rem 1.25rem;
  margin: 1.5rem 0;
  background: var(--gray-100);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--gray-700);
}

.prose figure {
  margin: 1.5rem 0;
}

.prose figcaption {
  font-size: 0.8rem;
  color: var(--gray-400);
  margin-top: 0.4rem;
  text-align: center;
}

.prose img {
  border-radius: 12px;
  width: 100%;
}

.prose a {
  color: var(--black);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* Drop cap */
.drop-cap-prose > .prose > p:first-of-type::first-letter,
.drop-cap-prose .prose p:first-of-type::first-letter {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 3.5rem;
  line-height: 0.85;
  float: left;
  margin-right: 0.12em;
  margin-top: 0.05em;
  color: var(--black);
}

/* ===== 首页内容区 ===== */
.content-section.home-content {
  padding-top: 0;
}

/* ===== 卡片网格 ===== */
.cards-section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1.5rem 2rem 3rem;
}

.section-heading,
.list-heading {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.8rem;
  letter-spacing: 0.08em;
  color: var(--black);
}

/* cards-grid: ol > li > ... */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 1.5rem;
}

/* 玻璃拟态卡片 */
.card-item {
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.07);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 32px rgba(0,0,0,0.13);
}

/* 第一张卡片跨两列 */
.card-item--featured {
  grid-column: span 2;
}

.card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

.card-item--featured .card-link {
  flex-direction: row;
}

.card-fig {
  overflow: hidden;
  flex-shrink: 0;
  margin: 0;
}

.card-item--featured .card-fig {
  width: 45%;
}

.card-item--normal .card-fig {
  height: 180px;
}

.card-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s;
}

.card-link:hover .card-thumb {
  transform: scale(1.04);
}

.card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
}

.card-eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
}

.card-title {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--black);
}

.card-item--featured .card-title {
  font-size: 1.2rem;
}

.card-desc {
  font-size: 0.875rem;
  color: var(--gray-700);
  line-height: 1.55;
  flex: 1;
}

.card-date {
  font-size: 0.75rem;
  color: var(--gray-400);
  margin-top: auto;
}

/* ===== STORY 页面 ===== */
.story-header-section {
  background: var(--black);
  padding: 2.5rem 2rem 4rem;
  position: relative;
  overflow: hidden;
}

.story-header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.story-h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--white);
  letter-spacing: 0.04em;
  line-height: 1.1;
}

.story-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.story-date {
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.story-updated {
  font-size: 0.8rem;
  color: var(--gray-400);
}

.story-hero-fig {
  margin-top: 1.5rem;
  border-radius: var(--radius);
  overflow: hidden;
}

.story-hero-img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
}

.story-hero-fig figcaption {
  font-size: 0.78rem;
  color: var(--gray-400);
  padding: 0.4rem 0;
}

.story-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--gap);
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2.5rem 2rem;
  align-items: start;
}

.story-aside {
  grid-column: 1;
  position: sticky;
  top: 130px;
}

.story-content {
  grid-column: 2;
  min-width: 0;
}

/* story: column-count 多栏 */
.story-content .prose {
  column-count: 1;
}

@media (min-width: 900px) {
  .story-content .prose {
    column-count: 1;
  }
}

.story-footer-nav {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 2px solid var(--gray-200);
}

.back-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--black);
  text-decoration: none;
  letter-spacing: 0.04em;
}

.back-link:hover {
  color: var(--accent);
  text-decoration: none;
}

/* related list */
.related-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.related-item a {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.5rem 0.75rem;
  border-left: 3px solid var(--gray-200);
  text-decoration: none;
  transition: border-color 0.15s;
}

.related-item a:hover {
  border-left-color: var(--black);
  text-decoration: none;
}

.related-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--black);
  line-height: 1.4;
}

.related-date {
  font-size: 0.72rem;
  color: var(--gray-400);
}

/* ===== 栏目 story 列表 ===== */
.story-list-wrap {
  margin-top: 2rem;
}

/* ol > li > a + small */
.story-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}

.story-list-item {
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow 0.2s, transform 0.2s;
}

.story-list-item:hover {
  transform: translateX(4px);
  box-shadow: 4px 4px 20px rgba(0,0,0,0.08);
}

.story-list-link {
  display: flex;
  align-items: stretch;
  gap: 1rem;
  text-decoration: none;
  color: inherit;
  padding: 1rem;
}

.story-thumb-wrap {
  flex-shrink: 0;
  width: 100px;
  height: 80px;
  overflow: hidden;
  border-radius: 10px;
  margin: 0;
}

.story-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.story-list-body {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}

.story-list-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--black);
  line-height: 1.4;
}

.story-list-desc {
  font-size: 0.83rem;
  color: var(--gray-700);
  line-height: 1.5;
}

.story-list-date {
  font-size: 0.75rem;
  color: var(--gray-400);
  margin-top: auto;
}

/* ===== TAG 页面 ===== */
.tag-header-section {
  background: var(--black);
  position: relative;
  overflow: hidden;
}

.tag-header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2.5rem 2rem 3.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.tag-h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--white);
  letter-spacing: 0.05em;
}

.tag-lead {
  color: var(--gray-400);
  font-size: 1rem;
  max-width: 60ch;
}

.tag-content-section {
  background: var(--white);
}

.tag-list-wrap {
  margin-top: 2rem;
}

/* tag: ol > li > a + small */
.tag-story-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 1rem;
  counter-reset: tag-counter;
}

.tag-story-item {
  counter-increment: tag-counter;
  position: relative;
}

.tag-story-link {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.9rem 1rem 0.9rem 3rem;
  background: var(--gray-100);
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  transition: background 0.15s;
}

.tag-story-link::before {
  content: counter(tag-counter, decimal-leading-zero);
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.2rem;
  color: var(--gray-400);
  letter-spacing: 0.05em;
}

.tag-story-link:hover {
  background: var(--gray-200);
  text-decoration: none;
}

.tag-story-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--black);
  line-height: 1.4;
}

.tag-story-desc {
  font-size: 0.82rem;
  color: var(--gray-400);
  line-height: 1.5;
}

/* ===== ABOUT 页面 ===== */
.about-header-section {
  background: var(--black);
  position: relative;
  overflow: hidden;
}

.about-header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 3rem 2rem 4rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.about-eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-transform: uppercase;
}

.about-h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  color: var(--white);
  letter-spacing: 0.05em;
  line-height: 1.1;
}

.about-lead {
  color: var(--gray-400);
  font-size: 1rem;
  max-width: 56ch;
}

.about-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--gap);
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2.5rem 2rem;
  align-items: start;
}

.about-aside {
  grid-column: 1;
  position: sticky;
  top: 130px;
}

.about-content {
  grid-column: 2;
  min-width: 0;
}

.about-cta-block {
  margin-top: 2.5rem;
  padding: 1.75rem;
  background: var(--gray-100);
  border-radius: var(--radius);
  border-left: 4px solid var(--black);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.about-cta-block p {
  flex: 1;
  font-size: 1rem;
  font-weight: 600;
  color: var(--black);
  margin: 0;
  min-width: 160px;
}

.inline-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1.2rem;
  background: var(--black);
  color: var(--white);
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  border-radius: 4px;
  min-height: 40px;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.inline-btn:hover {
  background: var(--accent);
  color: var(--white);
  text-decoration: none;
}

.inline-btn--ghost {
  background: transparent;
  color: var(--black);
  border: 2px solid var(--black);
}

.inline-btn--ghost:hover {
  background: var(--black);
  color: var(--white);
}

/* ===== PRIVACY 页面 ===== */
.privacy-header-section {
  background: var(--black);
  padding: 2.5rem 2rem 3rem;
}

.privacy-header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.privacy-h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--white);
  letter-spacing: 0.05em;
}

.privacy-updated {
  font-size: 0.82rem;
  color: var(--gray-400);
}

.privacy-body-section {
  background: var(--white);
}

.privacy-prose {
  font-size: 0.95rem;
}

/* ===== DEFAULT 页面 ===== */
.default-header-section {
  background: var(--black);
  padding: 2.5rem 2rem 3rem;
  max-width: 100%;
}

.default-h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--white);
  letter-spacing: 0.05em;
  max-width: var(--max-w);
  margin: 0 auto;
}

.default-lead {
  color: var(--gray-400);
  font-size: 1rem;
  max-width: var(--max-w);
  margin: 0.75rem auto 0;
}

.default-body-section {
  background: var(--white);
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--black);
  color: var(--white);
  margin-top: 4rem;
}

.footer-cta-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2.5rem 2rem;
  border-bottom: 1px solid #333;
  flex-wrap: wrap;
}

.footer-cta-text {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.6rem;
  letter-spacing: 0.06em;
  color: var(--white);
  line-height: 1.2;
}

.footer-cta-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.75rem;
  background: var(--white);
  color: var(--black);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  border-radius: 4px;
  min-height: 44px;
  white-space: nowrap;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.footer-cta-btn:hover {
  background: var(--accent);
  color: var(--white);
  text-decoration: none;
}

/* footer: address + ul */
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem 2rem;
  flex-wrap: wrap;
}

.footer-address {
  font-style: normal;
  font-size: 0.82rem;
  color: var(--gray-400);
}

/* footer ul > li > a */
.footer-links {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}

.footer-links li a {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  color: var(--gray-400);
  text-decoration: none;
  min-height: 40px;
  transition: color 0.15s;
}

.footer-links li a:hover {
  color: var(--white);
  text-decoration: none;
}

.footer-copy {
  font-size: 0.78rem;
  color: #555;
}

/* ===== 动效 ===== */
@media (prefers-reduced-motion: no-preference) {
  .card-item,
  .story-list-item,
  .tag-story-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease, box-shadow 0.2s;
  }

  .card-item.is-visible,
  .story-list-item.is-visible,
  .tag-story-item.is-visible {
    opacity: 1;
    transform: translateY(0);
  }

  .hero-h1,
  .section-h1,
  .story-h1,
  .tag-h1,
  .about-h1 {
    opacity: 0;
    transform: translateY(16px);
    animation: fadeUp 0.55s ease forwards 0.1s;
  }

  @keyframes fadeUp {
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .hero-content {
    opacity: 0;
    animation: fadeIn 0.6s ease forwards 0.25s;
  }

  @keyframes fadeIn {
    to { opacity: 1; }
  }
}

/* ===== 响应式 ===== */
@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-media {
    order: 1;
    height: 240px;
  }

  .hero-content {
    order: 2;
    padding: 2rem 1.5rem 3rem;
  }

  .content-grid {
    grid-template-columns: 1fr;
    padding: 1.5rem 1rem;
  }

  .home-aside,
  .section-aside,
  .story-aside,
  .tag-aside,
  .about-aside,
  .privacy-aside,
  .default-aside {
    grid-column: 1;
    position: static;
  }

  .home-main-content,
  .section-main,
  .tag-main,
  .about-content,
  .privacy-content,
  .default-content {
    grid-column: 1;
  }

  .story-layout {
    grid-template-columns: 1fr;
    padding: 1.5rem 1rem;
  }

  .story-aside {
    position: static;
  }

  .story-content {
    grid-column: 1;
  }

  .about-layout {
    grid-template-columns: 1fr;
    padding: 1.5rem 1rem;
  }

  .about-aside {
    position: static;
  }

  .about-content {
    grid-column: 1;
  }

  .cards-grid {
    grid-template-columns: 1fr 1fr;
  }

  .card-item--featured {
    grid-column: span 2;
  }
}

@media (max-width: 600px) {
  .header-brand-row {
    padding: 0.7rem 1rem;
  }

  .brand-name {
    font-size: 1.4rem;
  }

  .site-nav {
    padding: 0 1rem;
  }

  .nav-links a {
    padding: 0.55rem 0.7rem;
    font-size: 0.8rem;
  }

  .hero-section {
    min-height: auto;
  }

  .hero-content {
    padding: 1.5rem 1rem 2.5rem;
  }

  .hero-h1 {
    font-size: 2rem;
  }

  .hero-slash {
    height: 36px;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .card-item--featured {
    grid-column: span 1;
  }

  .card-item--featured .card-link {
    flex-direction: column;
  }

  .card-item--featured .card-fig {
    width: 100%;
    height: 180px;
  }

  .cards-section {
    padding: 1rem 1rem 2rem;
  }

  .footer-cta-block {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.75rem 1rem;
  }

  .footer-cta-text {
    font-size: 1.2rem;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
  }

  .story-header-section {
    padding: 1.5rem 1rem 3rem;
  }

  .section-hero-inner,
  .tag-header-inner,
  .about-header-inner,
  .privacy-header-inner {
    padding: 1.5rem 1rem 2.5rem;
  }

  .story-list-link {
    flex-direction: column;
    padding: 0.85rem;
  }

  .story-thumb-wrap {
    width: 100%;
    height: 160px;
  }

  .about-cta-block {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ===== 工具 ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}