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

/* ===== 基础变量 ===== */
:root {
  --c-bg: #fafaf8;
  --c-ink: #1a1a1a;
  --c-mid: #4a4a4a;
  --c-border: #1a1a1a;
  --c-accent: #1a1a1a;
  --c-muted: #6b6b6b;
  --c-card-bg: #ffffff;
  --c-header-bg: #fafaf8;
  --c-footer-bg: #1a1a1a;
  --c-footer-text: #fafaf8;
  --radius: 10px;
  --shadow-card: 3px 4px 0 rgba(26,26,26,0.12), 0 2px 16px rgba(26,26,26,0.08);
  --font-body: 'Nunito Sans', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
  --font-brand: 'Varela Round', 'Nunito Sans', sans-serif;
  --aside-w: 220px;
  --header-h: 110px;
}

/* ===== 重置 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--c-bg);
  color: var(--c-ink);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input, textarea { font-family: inherit; }

/* ===== 纸张肌理伪元素 ===== */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='400'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='400' height='400' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  background-repeat: repeat;
  opacity: 0.5;
}

/* ===== 侧边导航 aside ===== */
.site-aside {
  width: var(--aside-w);
  min-height: 100vh;
  background: var(--c-bg);
  border-right: 2px solid var(--c-border);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform 0.2s ease;
}
.site-aside.open { transform: translateX(0); }

.site-aside nav ul {
  padding: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.site-aside nav ul li a {
  display: block;
  padding: 0.75rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--c-mid);
  border-bottom: 1px solid rgba(26,26,26,0.08);
  transition: background 0.15s;
  min-height: 44px;
  display: flex;
  align-items: center;
}
.site-aside nav ul li a:hover,
.site-aside nav ul li a.active {
  background: rgba(26,26,26,0.06);
  color: var(--c-ink);
  font-weight: 700;
}
.aside__brand a {
  font-family: var(--font-brand);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-ink);
  letter-spacing: 0.02em;
  border-bottom: 2px solid var(--c-border);
  padding-bottom: 0.9rem;
  min-height: 48px;
}

/* ===== 布局包裹 ===== */
.layout-wrapper {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* ===== 顶部 header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--c-header-bg);
  border-bottom: 2px solid var(--c-border);
}

.header-brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  border-bottom: 1px solid rgba(26,26,26,0.12);
  gap: 1rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}
.brand-logo { width: 36px; height: 36px; object-fit: contain; }
.brand-name {
  font-family: var(--font-brand);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-ink);
  letter-spacing: 0.02em;
}
.brand-sub {
  font-size: 0.75rem;
  color: var(--c-muted);
  font-weight: 400;
  border-left: 1px solid var(--c-border);
  padding-left: 0.6rem;
  margin-left: 0.2rem;
  display: none;
}

.header-search form {
  display: flex;
  align-items: center;
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  transform: rotate(-0.3deg);
}
.header-search input {
  border: none;
  outline: none;
  padding: 0.45rem 0.75rem;
  font-size: 0.875rem;
  background: transparent;
  color: var(--c-ink);
  width: 180px;
}
.header-search button {
  background: var(--c-ink);
  color: var(--c-bg);
  border: none;
  padding: 0.45rem 0.85rem;
  font-size: 0.875rem;
  cursor: pointer;
  font-weight: 700;
  min-height: 40px;
  min-width: 40px;
}
.header-search button:hover { background: var(--c-mid); }

.header-nav-row {
  padding: 0 1.5rem;
}
.header-nav-row ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}
.header-nav-row ul li a {
  display: flex;
  align-items: center;
  padding: 0.6rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--c-mid);
  border-right: 1px solid rgba(26,26,26,0.1);
  min-height: 44px;
  transition: color 0.15s, background 0.15s;
}
.header-nav-row ul li a:hover,
.header-nav-row ul li a.active {
  color: var(--c-ink);
  font-weight: 700;
  background: rgba(26,26,26,0.05);
}

/* ===== main ===== */
main {
  flex: 1;
  position: relative;
}

/* ===== Hero（首页）===== */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 500px;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  overflow: hidden;
}
.hero__media {
  position: absolute;
  inset: 0;
  background: var(--c-ink);
}
.hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 30%, rgba(26,26,26,0.75) 100%);
}
.hero__dot-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(250,250,248,0.18) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}
.hero__content {
  position: relative;
  z-index: 2;
  text-align: right;
  padding: 3rem 2.5rem;
  max-width: 600px;
}
.hero__h1 {
  font-family: var(--font-brand);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--c-bg);
  line-height: 1.2;
  margin-bottom: 1rem;
  text-shadow: 2px 3px 0 rgba(0,0,0,0.4);
}
.hero__sub {
  font-size: 1rem;
  color: rgba(250,250,248,0.85);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}
.hero__cta {
  display: inline-block;
  background: var(--c-bg);
  color: var(--c-ink);
  font-weight: 700;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  border: 2px solid var(--c-bg);
  font-size: 0.95rem;
  min-height: 44px;
  transform: rotate(0.5deg);
  transition: transform 0.15s, box-shadow 0.15s;
}
.hero__cta:hover {
  transform: rotate(-0.5deg) translateY(-2px);
  box-shadow: 3px 4px 0 rgba(250,250,248,0.4);
}

/* ===== page-article（正文容器）===== */
.page-article {
  max-width: 900px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 3rem;
  width: 100%;
}

/* ===== prose（富文本正文）===== */
.prose {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--c-ink);
  max-width: 720px;
}
.prose h2 {
  font-family: var(--font-brand);
  font-size: 1.35rem;
  font-weight: 700;
  margin: 2rem 0 0.75rem;
  padding-bottom: 0.3rem;
  border-bottom: 2px solid var(--c-border);
}
.prose h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 1.5rem 0 0.5rem;
}
.prose p { margin-bottom: 1rem; }
.prose ul, .prose ol {
  margin: 0.75rem 0 1rem 1.25rem;
  list-style: disc;
}
.prose ol { list-style: decimal; }
.prose li { margin-bottom: 0.4rem; }
.prose a {
  color: var(--c-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.prose a:hover { opacity: 0.7; }
.prose strong { font-weight: 700; }
.prose blockquote {
  border-left: 3px solid var(--c-border);
  padding: 0.5rem 1rem;
  margin: 1rem 0;
  color: var(--c-mid);
  font-style: italic;
  background: rgba(26,26,26,0.03);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.prose time {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--c-muted);
  margin-bottom: 1rem;
  border: 1px dashed var(--c-muted);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}
.prose--legal { max-width: 780px; }

/* ===== section-heading ===== */
.section-heading {
  font-family: var(--font-brand);
  font-size: 1.2rem;
  font-weight: 700;
  margin: 2.5rem 0 1.25rem;
  padding-left: 0.75rem;
  border-left: 4px solid var(--c-border);
  letter-spacing: 0.03em;
  transform: rotate(-0.3deg);
  display: inline-block;
}

/* ===== 首页：栏目卡片 ===== */
.sec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1rem;
}
.sec-card {
  background: var(--c-card-bg);
  border: 2px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  transform: rotate(-0.4deg);
  transition: transform 0.18s, box-shadow 0.18s;
  overflow: hidden;
}
.sec-card:nth-child(2n) { transform: rotate(0.3deg); }
.sec-card:hover {
  transform: rotate(0deg) translateY(-3px);
  box-shadow: 5px 6px 0 rgba(26,26,26,0.18), 0 4px 20px rgba(26,26,26,0.1);
}
.sec-card__link {
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  gap: 0.4rem;
  min-height: 140px;
}
.sec-card__tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-muted);
  text-transform: uppercase;
  border: 1px solid var(--c-muted);
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  align-self: flex-start;
}
.sec-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.4;
}
.sec-card__desc {
  font-size: 0.8rem;
  color: var(--c-mid);
  line-height: 1.5;
  flex: 1;
}
.sec-card__count {
  font-size: 0.75rem;
  color: var(--c-muted);
  border-top: 1px dashed rgba(26,26,26,0.15);
  padding-top: 0.5rem;
  margin-top: 0.25rem;
}

/* ===== 首页：近期 story 卡片 ===== */
.story-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 1rem;
}
.story-card {
  background: var(--c-card-bg);
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  transform: rotate(0.2deg);
  transition: transform 0.18s, box-shadow 0.18s;
}
.story-card:nth-child(3n) { transform: rotate(-0.3deg); }
.story-card:hover {
  transform: rotate(0deg) translateY(-2px);
  box-shadow: 4px 5px 0 rgba(26,26,26,0.14);
}
.story-card a {
  display: flex;
  flex-direction: column;
  padding: 1rem;
  gap: 0.35rem;
  min-height: 100px;
}
.story-card__eyebrow {
  font-size: 0.68rem;
  color: var(--c-muted);
  font-weight: 600;
  letter-spacing: 0.08em;
}
.story-card__title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--c-ink);
  line-height: 1.45;
}
.story-card__date {
  font-size: 0.75rem;
  color: var(--c-muted);
  margin-top: 0.25rem;
}

/* ===== section 页 banner ===== */
.section-banner {
  position: relative;
  background: var(--c-ink);
  color: var(--c-bg);
  padding: 3rem 2rem 2.5rem;
  overflow: hidden;
}
.section-banner__texture {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(250,250,248,0.1) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}
.section-banner__inner {
  position: relative;
  z-index: 1;
  max-width: 700px;
}
.section-banner__breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: rgba(250,250,248,0.6);
  margin-bottom: 0.75rem;
}
.section-banner__breadcrumb a { color: rgba(250,250,248,0.75); }
.section-banner__breadcrumb a:hover { color: var(--c-bg); }
.section-banner__h1 {
  font-family: var(--font-brand);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 0.75rem;
}
.section-banner__desc {
  font-size: 0.95rem;
  color: rgba(250,250,248,0.8);
  max-width: 560px;
  line-height: 1.65;
  margin-bottom: 0.75rem;
}
.section-banner__count {
  font-size: 0.8rem;
  color: rgba(250,250,248,0.55);
  border: 1px dashed rgba(250,250,248,0.3);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  display: inline-block;
}

/* ===== child-grid（section 子页列表）===== */
.child-grid {
  display: grid;
  gap: 1rem;
}
.child-article {
  background: var(--c-card-bg);
  border: 2px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  transform: rotate(-0.2deg);
  transition: transform 0.18s, box-shadow 0.18s;
}
.child-article:nth-child(2n) { transform: rotate(0.2deg); }
.child-article:hover {
  transform: rotate(0deg) translateY(-2px);
  box-shadow: 5px 5px 0 rgba(26,26,26,0.15);
}
.child-article__link {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  min-height: 80px;
}
.child-article__num {
  font-family: var(--font-brand);
  font-size: 1.8rem;
  font-weight: 700;
  color: rgba(26,26,26,0.1);
  line-height: 1;
  flex-shrink: 0;
  width: 2.5rem;
  text-align: right;
}
.child-article__body { flex: 1; }
.child-article__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.4;
  margin-bottom: 0.3rem;
}
.child-article__desc {
  font-size: 0.85rem;
  color: var(--c-mid);
  line-height: 1.55;
}
.child-article__date {
  font-size: 0.75rem;
  color: var(--c-muted);
  margin-top: 0.4rem;
  display: inline-block;
}
.empty-tip {
  color: var(--c-muted);
  font-size: 0.9rem;
  padding: 1rem 0;
}

/* ===== story 页 ===== */
.story-header {
  margin-bottom: 1.5rem;
}
.story-header__breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--c-muted);
  margin-bottom: 1rem;
}
.story-header__breadcrumb a {
  color: var(--c-mid);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.story-header__h1 {
  font-family: var(--font-brand);
  font-size: clamp(1.4rem, 3.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.75rem;
  border-left: 5px solid var(--c-border);
  padding-left: 0.75rem;
}
.story-header__date,
.story-header__updated {
  font-size: 0.8rem;
  color: var(--c-muted);
  display: inline-block;
  margin-right: 1rem;
  border: 1px dashed var(--c-muted);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}

.story-hero {
  margin-bottom: 1.5rem;
  border-radius: var(--radius);
  overflow: hidden;
  border: 2px solid var(--c-border);
  transform: rotate(-0.3deg);
}
.story-hero__img {
  width: 100%;
  height: auto;
  max-height: 360px;
  object-fit: cover;
}

.related-aside {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 2px dashed rgba(26,26,26,0.15);
}
.related-aside__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--c-mid);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
}
.related-item {
  background: var(--c-card-bg);
  border: 1.5px solid rgba(26,26,26,0.15);
  border-radius: var(--radius);
  box-shadow: 2px 3px 0 rgba(26,26,26,0.08);
  transform: rotate(0.2deg);
  transition: transform 0.15s;
}
.related-item:hover { transform: rotate(0deg) translateY(-2px); }
.related-item a {
  display: flex;
  flex-direction: column;
  padding: 0.85rem 1rem;
  gap: 0.25rem;
}
.related-item__label {
  font-size: 0.68rem;
  color: var(--c-muted);
  font-weight: 600;
  letter-spacing: 0.06em;
}
.related-item__title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-ink);
  line-height: 1.4;
}

.story-nav-links {
  margin-top: 2rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.story-nav-links a {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--c-mid);
  border: 1.5px solid var(--c-border);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  min-height: 40px;
  display: flex;
  align-items: center;
  transition: background 0.15s;
}
.story-nav-links a:hover {
  background: var(--c-ink);
  color: var(--c-bg);
}

/* ===== about 页 ===== */
.about-header {
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: rgba(26,26,26,0.04);
  border-radius: var(--radius);
  border: 1.5px solid rgba(26,26,26,0.1);
  transform: rotate(-0.2deg);
}
.about-header__tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-muted);
  border: 1px solid var(--c-muted);
  padding: 0.12rem 0.45rem;
  border-radius: 3px;
  display: inline-block;
  margin-bottom: 0.75rem;
}
.about-header__h1 {
  font-family: var(--font-brand);
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.5rem;
}
.about-header__desc {
  font-size: 0.95rem;
  color: var(--c-mid);
  line-height: 1.65;
}
.about-links {
  margin-top: 2.5rem;
  padding: 1.25rem 1.5rem;
  background: var(--c-card-bg);
  border: 2px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}
.about-links__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.85rem;
  color: var(--c-ink);
}
.about-links__list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.about-links__list li a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--c-mid);
  text-decoration: underline;
  text-underline-offset: 3px;
  display: flex;
  align-items: center;
  min-height: 36px;
}
.about-links__list li a:hover { color: var(--c-ink); }

/* ===== privacy 页 ===== */
.privacy-header {
  margin-bottom: 2rem;
}
.privacy-header__tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-muted);
  border: 1px solid var(--c-muted);
  padding: 0.12rem 0.45rem;
  border-radius: 3px;
  display: inline-block;
  margin-bottom: 0.75rem;
}
.privacy-header__h1 {
  font-family: var(--font-brand);
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.5rem;
}
.privacy-header__date {
  font-size: 0.8rem;
  color: var(--c-muted);
  display: inline-block;
  border: 1px dashed var(--c-muted);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}
.privacy-footer-nav {
  margin-top: 2.5rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 1.5rem;
  border-top: 1.5px dashed rgba(26,26,26,0.12);
}
.privacy-footer-nav a {
  font-size: 0.875rem;
  color: var(--c-mid);
  text-decoration: underline;
  text-underline-offset: 3px;
  min-height: 40px;
  display: flex;
  align-items: center;
}
.privacy-footer-nav a:hover { color: var(--c-ink); }

/* ===== footer ===== */
.site-footer {
  background: var(--c-footer-bg);
  color: var(--c-footer-text);
  padding: 0;
}
.footer-contact-block {
  padding: 2.5rem 2rem;
  border-bottom: 1px solid rgba(250,250,248,0.12);
}
.footer-contact__title {
  font-family: var(--font-brand);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--c-bg);
}
.footer-contact-block p {
  font-size: 0.875rem;
  color: rgba(250,250,248,0.65);
  margin-bottom: 1rem;
  line-height: 1.6;
}
.footer-subscribe {
  display: flex;
  gap: 0;
  max-width: 400px;
  border: 1.5px solid rgba(250,250,248,0.3);
  border-radius: var(--radius);
  overflow: hidden;
}
.footer-subscribe input {
  flex: 1;
  background: rgba(250,250,248,0.06);
  border: none;
  color: var(--c-bg);
  padding: 0.6rem 0.9rem;
  font-size: 0.875rem;
  outline: none;
  min-height: 44px;
}
.footer-subscribe input::placeholder { color: rgba(250,250,248,0.4); }
.footer-subscribe button {
  background: var(--c-bg);
  color: var(--c-ink);
  border: none;
  padding: 0.6rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  min-height: 44px;
  transition: opacity 0.15s;
}
.footer-subscribe button:hover { opacity: 0.85; }

.footer-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-bottom: 1px solid rgba(250,250,248,0.1);
}
.footer-col {
  padding: 1.75rem 1.5rem;
  border-right: 1px solid rgba(250,250,248,0.08);
}
.footer-col:last-child { border-right: none; }
.footer-col h3 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: rgba(250,250,248,0.55);
  margin-bottom: 0.85rem;
  text-transform: uppercase;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.45rem; }
.footer-col ul li a {
  font-size: 0.875rem;
  color: rgba(250,250,248,0.75);
  transition: color 0.15s;
  min-height: 32px;
  display: flex;
  align-items: center;
}
.footer-col ul li a:hover { color: var(--c-bg); }

.footer-bottom {
  padding: 1rem 1.5rem;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(250,250,248,0.45);
}
.footer-bottom a {
  color: rgba(250,250,248,0.65);
  text-decoration: underline;
}
.footer-bottom a:hover { color: var(--c-bg); }

/* ===== reveal 动效 ===== */
.reveal-item {
  opacity: 0;
  transform: translateY(18px) rotate(-0.2deg);
  transition: opacity 0.45s ease, transform 0.45s ease;
}
.reveal-item.revealed {
  opacity: 1;
  transform: translateY(0) rotate(0deg);
}
@media (prefers-reduced-motion: reduce) {
  .reveal-item {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ===== 移动端断点 ===== */
@media (max-width: 768px) {
  .layout-wrapper { width: 100%; }

  .header-brand-row { padding: 0.6rem 1rem; }
  .header-nav-row { padding: 0 0.5rem; overflow-x: auto; }
  .header-nav-row ul { flex-wrap: nowrap; }
  .header-nav-row ul li a { padding: 0.55rem 0.75rem; white-space: nowrap; font-size: 0.8rem; }

  .brand-sub { display: none; }
  .header-search input { width: 120px; }

  .hero__content { padding: 2rem 1.25rem; }

  .footer-cols { grid-template-columns: repeat(2, 1fr); }
  .footer-col { border-right: none; border-bottom: 1px solid rgba(250,250,248,0.08); padding: 1.25rem 1rem; }

  .page-article { padding: 1.75rem 1rem 2.5rem; }

  .sec-grid { grid-template-columns: repeat(2, 1fr); }
  .story-grid { grid-template-columns: 1fr; }
  .child-article__num { font-size: 1.2rem; }

  .section-banner { padding: 2rem 1rem 1.75rem; }
}

@media (max-width: 480px) {
  .sec-grid { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr; }
  .footer-subscribe { flex-direction: column; border-radius: var(--radius); }
  .footer-subscribe input, .footer-subscribe button { border-radius: 0; }

  .hero { min-height: 100svh; }
  .hero__h1 { font-size: 1.75rem; }

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

  .story-nav-links { flex-direction: column; }
  .privacy-footer-nav { flex-direction: column; }
}