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

/* ── 自定义属性 ── */
:root {
  --green: #87ff71;
  --cyan: #01cdfe;
  --dark: #192617;
  --dark2: #0e1a0d;
  --dark3: #1e3019;
  --pink: #FF71CE;
  --purple: #B967FF;
  --glass-bg: rgba(25, 38, 23, 0.72);
  --glass-border: rgba(135, 255, 113, 0.18);
  --glass-shadow: 0 8px 32px rgba(1, 205, 254, 0.12);
  --text-main: #e8f5e2;
  --text-muted: #8baa82;
  --nav-w: 220px;
  --radius-card: 28px;
  --font-serif: 'Libre Bodoni', Georgia, serif;
  --font-sans: 'Public Sans', system-ui, sans-serif;
  --transition: 0.25s ease;
}

/* ── 重置 ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 17px; scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--dark2);
  color: var(--text-main);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--cyan); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--green); }
a:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; border-radius: 3px; }

/* ── 全局背景渐变 ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: linear-gradient(180deg, #0a0f1a 0%, #192617 40%, #0e1218 100%);
  z-index: -2;
  pointer-events: none;
}
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(1, 205, 254, 0.025) 2px,
      rgba(1, 205, 254, 0.025) 4px
    );
  z-index: -1;
  pointer-events: none;
  animation: scanlines 8s linear infinite;
}
@keyframes scanlines {
  0% { background-position: 0 0; }
  100% { background-position: 0 120px; }
}

/* ── 布局外壳 ── */
.site-shell {
  display: flex;
  min-height: 100vh;
}

/* ── 侧边导航 ── */
.sidenav {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--nav-w);
  height: 100vh;
  background: linear-gradient(180deg, rgba(10,15,26,0.97) 0%, rgba(25,38,23,0.95) 100%);
  border-right: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  overflow-y: auto;
  overflow-x: hidden;
}
.sidenav-brand {
  padding: 24px 20px 16px;
  border-bottom: 1px solid var(--glass-border);
}
.sidenav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--green), var(--cyan));
  color: var(--dark2);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: 10px;
  text-decoration: none;
  box-shadow: 0 0 12px rgba(135, 255, 113, 0.4);
}
.sidenav-links {
  flex: 1;
  padding: 16px 0 20px;
  list-style: none;
}
.sidenav-group-label {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 12px 20px 6px;
}
.sidenav-links dd {
  padding: 0;
}
.sidenav-links dd a {
  display: block;
  padding: 10px 20px;
  font-size: 0.82rem;
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--text-muted);
  line-height: 1.4;
  border-left: 2px solid transparent;
  transition: all var(--transition);
}
.sidenav-links dd a:hover,
.sidenav-links dd a[aria-current="page"] {
  color: var(--green);
  border-left-color: var(--green);
  background: rgba(135, 255, 113, 0.06);
  text-shadow: 0 0 10px rgba(135, 255, 113, 0.5);
}
.sidenav-scanline {
  height: 2px;
  background: linear-gradient(90deg, var(--green), var(--cyan), var(--purple));
  opacity: 0.6;
  animation: hueshift 6s linear infinite;
}
@keyframes hueshift {
  0% { filter: hue-rotate(0deg); }
  100% { filter: hue-rotate(360deg); }
}

/* ── 主内容区 ── */
.main-content {
  margin-left: var(--nav-w);
  flex: 1;
  min-width: 0;
}

/* ══════════════════════════════
   首页 Hero
══════════════════════════════ */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: linear-gradient(160deg, #0a1628 0%, #192617 50%, #1a0a2e 100%);
}
.hero-bg-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -55%);
  font-family: var(--font-serif);
  font-size: clamp(80px, 18vw, 220px);
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px rgba(135, 255, 113, 0.08);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.02em;
  animation: glitch-bg 12s steps(1) infinite;
}
@keyframes glitch-bg {
  0%, 90%, 100% { transform: translate(-50%, -55%); opacity: 1; }
  91% { transform: translate(-50%, -55%) skewX(-3deg); opacity: 0.7; color: rgba(1,205,254,0.06); }
  92% { transform: translate(-47%, -55%); }
  93% { transform: translate(-50%, -55%); }
}
.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 60px 56px 64px;
  text-align: right;
}
.hero-eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 12px;
  font-family: var(--font-sans);
  font-weight: 600;
  text-shadow: 0 0 10px var(--cyan);
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--green);
  text-shadow: 0 0 30px rgba(135, 255, 113, 0.5), 0 0 60px rgba(135, 255, 113, 0.2);
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}
.hero-desc {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 480px;
  margin-left: auto;
  margin-bottom: 32px;
  line-height: 1.7;
}
.hero-cta {
  display: inline-block;
  padding: 13px 32px;
  background: linear-gradient(135deg, var(--green), var(--cyan));
  color: var(--dark2);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: 50px;
  text-decoration: none;
  box-shadow: 0 0 20px rgba(135, 255, 113, 0.35);
  transition: all var(--transition);
  min-height: 44px;
  line-height: 1.2;
}
.hero-cta:hover {
  box-shadow: 0 0 36px rgba(135, 255, 113, 0.6);
  transform: translateY(-2px);
  color: var(--dark2);
}
.hero-grid {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 180px;
  background:
    linear-gradient(transparent, rgba(1,205,254,0.04)),
    repeating-linear-gradient(90deg, rgba(1,205,254,0.07) 0px, transparent 1px, transparent 60px),
    repeating-linear-gradient(0deg, rgba(1,205,254,0.07) 0px, transparent 1px, transparent 40px);
  transform: perspective(300px) rotateX(25deg);
  transform-origin: bottom;
  pointer-events: none;
}
.hero-scanlines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(0,0,0,0.08) 3px,
    rgba(0,0,0,0.08) 4px
  );
  pointer-events: none;
  z-index: 1;
}

/* ── 栏目卡片区 ── */
.channels-section {
  padding: 56px 48px;
}
.section-label {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  font-weight: 600;
  margin-bottom: 28px;
  text-shadow: 0 0 8px var(--cyan);
}
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--glass-shadow);
  padding: 28px 26px;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
  animation: staggerIn 0.5s both;
  animation-delay: calc(var(--stagger, 0) * 0.08s);
}
.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(1, 205, 254, 0.2), 0 0 0 1px rgba(135, 255, 113, 0.2);
}
@keyframes staggerIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.card-index {
  font-family: var(--font-serif);
  font-size: 0.72rem;
  color: var(--green);
  opacity: 0.6;
  font-weight: 700;
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 10px;
}
.card-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 10px;
}
.card-title a {
  color: var(--text-main);
}
.card-title a:hover {
  color: var(--green);
  text-shadow: 0 0 12px rgba(135,255,113,0.4);
}
.card-desc {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 18px;
}
.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.card-link {
  color: var(--cyan);
  font-weight: 500;
}
.card-link:hover { color: var(--green); }

/* ── 首页正文内容 ── */
.page-content-section {
  padding: 0 48px 56px;
}

/* ══════════════════════════════
   栏目页
══════════════════════════════ */
.channel-article {
  max-width: 820px;
  padding: 56px 48px 72px;
}
.channel-header {
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--glass-border);
}
.channel-eyebrow {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  font-family: var(--font-sans);
  font-weight: 600;
  margin-bottom: 12px;
  text-shadow: 0 0 8px var(--cyan);
}
.channel-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 700;
  color: var(--green);
  text-shadow: 0 0 20px rgba(135, 255, 113, 0.3);
  line-height: 1.2;
  margin-bottom: 14px;
}
.channel-lead {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
}
.channel-content-section {
  margin-bottom: 48px;
}
.channel-prose {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-main);
}
.channel-children {
  margin-top: 48px;
}
.ch-list {
  list-style: none;
}
.ch-item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(135, 255, 113, 0.08);
  flex-wrap: wrap;
}
.ch-num {
  font-family: var(--font-serif);
  font-size: 0.72rem;
  color: var(--green);
  opacity: 0.5;
  font-weight: 700;
  min-width: 24px;
  flex-shrink: 0;
}
.ch-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
  flex: 1;
  line-height: 1.4;
}
.ch-title:hover {
  color: var(--green);
  text-shadow: 0 0 10px rgba(135,255,113,0.4);
}
.ch-date {
  font-size: 0.76rem;
  color: var(--text-muted);
  font-family: var(--font-sans);
  white-space: nowrap;
}
.ch-list dd.ch-desc {
  padding: 4px 0 12px 38px;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  border-bottom: 1px solid rgba(135, 255, 113, 0.08);
}

/* ══════════════════════════════
   文章页
══════════════════════════════ */
.article-page {
  max-width: 760px;
  padding: 48px 48px 72px;
}
.article-header {
  margin-bottom: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--glass-border);
}
.article-eyebrow {
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  font-family: var(--font-sans);
  font-weight: 600;
  margin-bottom: 10px;
  text-shadow: 0 0 8px var(--cyan);
}
.article-eyebrow a {
  color: var(--cyan);
}
.article-eyebrow a:hover { color: var(--green); }
.article-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3.5vw, 2.4rem);
  font-weight: 700;
  color: var(--green);
  text-shadow: 0 0 20px rgba(135, 255, 113, 0.3);
  line-height: 1.2;
  margin-bottom: 14px;
}
.article-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.article-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-sans);
}
.article-date-mod {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-sans);
  opacity: 0.7;
}
.article-lead {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
}
.article-hero-wrap {
  margin-bottom: 36px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
}
.article-hero-img {
  width: 100%;
  height: auto;
}
.article-body {
  margin-bottom: 48px;
}
.article-prose {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-main);
}
.article-pagination {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 28px 0;
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.pag-prev, .pag-next {
  font-size: 0.85rem;
  color: var(--text-muted);
  max-width: 48%;
  line-height: 1.4;
  padding: 8px 0;
  min-height: 40px;
  display: flex;
  align-items: center;
}
.pag-prev:hover, .pag-next:hover { color: var(--green); }
.article-back {
  margin-top: 20px;
}
.article-back a {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.article-back a:hover { color: var(--cyan); }

/* ══════════════════════════════
   关于 & 隐私 & 默认页
══════════════════════════════ */
.about-article,
.privacy-article,
.default-article {
  max-width: 720px;
  padding: 56px 48px 72px;
}
.about-header,
.privacy-header,
.default-header {
  margin-bottom: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--glass-border);
}
.about-eyebrow,
.privacy-eyebrow {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--purple);
  font-family: var(--font-sans);
  font-weight: 600;
  margin-bottom: 10px;
}
.about-title,
.privacy-title,
.default-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3.5vw, 2.4rem);
  font-weight: 700;
  color: var(--green);
  text-shadow: 0 0 16px rgba(135, 255, 113, 0.3);
  line-height: 1.2;
  margin-bottom: 14px;
}
.about-lead,
.privacy-lead,
.default-lead {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
}
.about-body,
.privacy-body,
.default-body {
  margin-bottom: 48px;
}
.about-prose,
.privacy-prose,
.default-prose {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-main);
}
.about-aside {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 28px 26px;
  margin-top: 40px;
}
.aside-heading {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  font-weight: 600;
  margin-bottom: 16px;
}
.about-nav-dl dt {
  padding: 8px 0 2px;
}
.about-nav-dl dt a {
  font-family: var(--font-serif);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-main);
}
.about-nav-dl dt a:hover { color: var(--green); }
.about-nav-dl dd {
  font-size: 0.8rem;
  color: var(--text-muted);
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(135,255,113,0.06);
}
.privacy-back,
.default-back {
  display: flex;
  gap: 24px;
  padding-top: 20px;
}
.privacy-back a,
.default-back a {
  font-size: 0.85rem;
  color: var(--text-muted);
  min-height: 40px;
  display: flex;
  align-items: center;
}
.privacy-back a:hover,
.default-back a:hover { color: var(--cyan); }

/* ══════════════════════════════
   通用 prose 样式
══════════════════════════════ */
.content-prose,
.channel-prose,
.article-prose,
.about-prose,
.privacy-prose,
.default-prose {
  font-size: 1rem;
  line-height: 1.85;
}
.content-prose h2, .channel-prose h2, .article-prose h2, .about-prose h2, .privacy-prose h2, .default-prose h2 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--cyan);
  text-shadow: 0 0 10px rgba(1,205,254,0.3);
  margin: 2em 0 0.7em;
  line-height: 1.3;
}
.content-prose h3, .channel-prose h3, .article-prose h3, .about-prose h3, .privacy-prose h3, .default-prose h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--green);
  margin: 1.6em 0 0.5em;
  line-height: 1.4;
}
.content-prose p, .channel-prose p, .article-prose p, .about-prose p, .privacy-prose p, .default-prose p {
  margin-bottom: 1.2em;
}
.content-prose ul, .channel-prose ul, .article-prose ul, .about-prose ul, .privacy-prose ul, .default-prose ul,
.content-prose ol, .channel-prose ol, .article-prose ol, .about-prose ol, .privacy-prose ol, .default-prose ol {
  padding-left: 1.5em;
  margin-bottom: 1.2em;
}
.content-prose li, .channel-prose li, .article-prose li, .about-prose li, .privacy-prose li, .default-prose li {
  margin-bottom: 0.4em;
}
.content-prose a, .channel-prose a, .article-prose a, .about-prose a, .privacy-prose a, .default-prose a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.content-prose a:hover, .channel-prose a:hover, .article-prose a:hover, .about-prose a:hover, .privacy-prose a:hover, .default-prose a:hover {
  color: var(--green);
}
.content-prose strong, .channel-prose strong, .article-prose strong, .about-prose strong, .privacy-prose strong, .default-prose strong {
  color: var(--green);
  font-weight: 600;
}
.content-prose blockquote, .channel-prose blockquote, .article-prose blockquote, .about-prose blockquote, .privacy-prose blockquote, .default-prose blockquote {
  border-left: 3px solid var(--cyan);
  padding: 12px 20px;
  margin: 1.5em 0;
  background: rgba(1,205,254,0.05);
  border-radius: 0 8px 8px 0;
  color: var(--text-muted);
  font-style: italic;
}
.content-prose time, .channel-prose time, .article-prose time, .about-prose time, .privacy-prose time, .default-prose time {
  color: var(--cyan);
  font-size: 0.88em;
}

/* ══════════════════════════════
   页脚
══════════════════════════════ */
.site-footer {
  background: linear-gradient(180deg, rgba(10,15,26,0.0) 0%, rgba(10,15,26,0.98) 40%);
  border-top: 1px solid var(--glass-border);
  padding: 56px 48px 0;
  margin-left: var(--nav-w);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
}
.footer-brand-name {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--green);
  text-shadow: 0 0 12px rgba(135,255,113,0.4);
  margin-bottom: 10px;
}
.footer-brand-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
}
.footer-contact-label {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cyan);
  font-weight: 600;
  margin-bottom: 12px;
  font-family: var(--font-sans);
}
.footer-form {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.footer-input {
  flex: 1;
  min-width: 160px;
  padding: 10px 14px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  outline: none;
  min-height: 42px;
  transition: border-color var(--transition);
}
.footer-input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 8px rgba(1,205,254,0.2);
}
.footer-input::placeholder { color: var(--text-muted); }
.footer-btn {
  padding: 10px 20px;
  background: linear-gradient(135deg, var(--green), var(--cyan));
  color: var(--dark2);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.85rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  min-height: 42px;
  transition: all var(--transition);
}
.footer-btn:hover {
  box-shadow: 0 0 14px rgba(135,255,113,0.4);
  transform: translateY(-1px);
}
.footer-nav-heading {
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
  font-family: var(--font-sans);
  margin-bottom: 10px;
}
.footer-nav-list {
  list-style: none;
}
.footer-nav-list dd {
  padding: 0;
}
.footer-nav-list dd a {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 6px 0;
  line-height: 1.4;
  min-height: 34px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(135,255,113,0.05);
  transition: color var(--transition);
}
.footer-nav-list dd a:hover { color: var(--green); }
.footer-bottom {
  padding: 18px 0;
  border-top: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom a {
  color: var(--text-muted);
  min-height: 40px;
  display: flex;
  align-items: center;
}
.footer-bottom a:hover { color: var(--cyan); }

/* ══════════════════════════════
   Parallax 滚动（JS 辅助）
══════════════════════════════ */
.parallax-el {
  transition: transform 0.1s linear;
}

/* ══════════════════════════════
   移动端断点
══════════════════════════════ */
@media (max-width: 768px) {
  :root { --nav-w: 0px; }

  .sidenav {
    width: 100%;
    height: auto;
    position: relative;
    flex-direction: column;
    border-right: none;
    border-bottom: 1px solid var(--glass-border);
  }
  .sidenav-brand {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .sidenav-links {
    display: none;
    padding: 8px 0 16px;
  }
  .sidenav-links.is-open {
    display: block;
  }
  .sidenav-links dd a {
    min-height: 44px;
    display: flex;
    align-items: center;
    padding: 10px 20px;
    font-size: 0.9rem;
  }

  .site-shell {
    flex-direction: column;
  }
  .main-content {
    margin-left: 0;
  }
  .site-footer {
    margin-left: 0;
    padding: 36px 20px 0;
  }

  .hero-inner {
    padding: 36px 20px 40px;
    text-align: right;
  }
  .hero {
    min-height: 70vh;
  }

  .channels-section {
    padding: 36px 20px;
  }
  .cards-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .page-content-section {
    padding: 0 20px 36px;
  }

  .channel-article,
  .article-page,
  .about-article,
  .privacy-article,
  .default-article {
    padding: 32px 20px 48px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .article-pagination {
    flex-direction: column;
    gap: 8px;
  }
  .pag-prev, .pag-next {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.7rem;
  }
  .hero-bg-text {
    font-size: 18vw;
  }
  .hero-cta {
    width: 100%;
    text-align: center;
    justify-content: center;
  }
  .section-label {
    font-size: 0.62rem;
  }
  .footer-form {
    flex-direction: column;
  }
  .footer-btn {
    width: 100%;
  }
}

/* ── prefers-reduced-motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  body::after { animation: none; }
  .sidenav-scanline { animation: none; }
  .hero-bg-text { animation: none; }
}