@import url('https://fonts.googleapis.com/css2?family=Crimson+Text:wght@400;600;700&family=EB+Garamond:wght@400;500;600;700;800&display=swap');

/* =====================================================
   CSS 自定义属性
===================================================== */
:root {
  --c-red: #ff0000;
  --c-pink: #ff006e;
  --c-dark: #1a1a2e;
  --c-darker: #0d0d1a;
  --c-black: #050510;
  --c-mid: #16213e;
  --c-text: #e8e0f0;
  --c-text-dim: #9988bb;
  --c-accent: #00ffff;
  --c-gold: #ffd700;
  --font-serif: 'EB Garamond', 'Crimson Text', Georgia, 'Times New Roman', serif;
  --font-mono: 'Courier New', Courier, monospace;
  --radius-card: 28px;
  --radius-sm: 8px;
  --nav-h: 64px;
  --anchor-h: 44px;
  --header-total: calc(var(--nav-h) + var(--anchor-h));
  --transition: 0.25s ease;
  --glow-red: 0 0 8px #ff0000, 0 0 20px #ff000088, 0 0 40px #ff000044;
  --glow-pink: 0 0 8px #ff006e, 0 0 20px #ff006e88, 0 0 40px #ff006e44;
  --glow-cyan: 0 0 8px #00ffff, 0 0 20px #00ffff88, 0 0 40px #00ffff44;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background: var(--c-black);
  color: var(--c-text);
}

body {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.7;
  background: var(--c-black);
  color: var(--c-text);
  overflow-x: hidden;
  min-height: 100vh;
}

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

a {
  color: var(--c-pink);
  text-decoration: none;
  transition: color var(--transition), text-shadow var(--transition);
}

a:hover {
  color: var(--c-red);
  text-shadow: var(--glow-red);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.25;
  color: var(--c-text);
}

p {
  margin-bottom: 1em;
}

/* =====================================================
   扫描线叠层
===================================================== */
.scanlines-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.18) 2px,
    rgba(0,0,0,0.18) 4px
  );
  animation: scanMove 8s linear infinite;
}

@keyframes scanMove {
  0% { background-position: 0 0; }
  100% { background-position: 0 120px; }
}

.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
}

/* =====================================================
   全屏遮罩菜单
===================================================== */
.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 8000;
  background: var(--c-darker);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  transform: translateX(-100%);
  transition: transform 0.45s cubic-bezier(0.77, 0, 0.175, 1);
  border-right: 2px solid var(--c-pink);
}

.menu-overlay.is-open {
  transform: translateX(0);
}

.menu-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: 1px solid var(--c-pink);
  border-radius: var(--radius-sm);
  width: 48px;
  height: 48px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0.5rem;
}

.menu-close span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-pink);
  box-shadow: var(--glow-pink);
}

.menu-close span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.menu-close span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.menu-close:hover {
  border-color: var(--c-red);
  box-shadow: var(--glow-red);
}

.overlay-nav {
  text-align: center;
}

.overlay-nav-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: 0;
}

.overlay-nav-links .nav-link {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--c-text);
  letter-spacing: 0.08em;
  padding: 0.6rem 2rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  min-height: 44px;
  line-height: 1.4;
}

.overlay-nav-links .nav-link:hover {
  color: var(--c-pink);
  border-color: var(--c-pink);
  text-shadow: var(--glow-pink);
  box-shadow: var(--glow-pink);
}

.overlay-brand {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--c-text-dim);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  position: absolute;
  bottom: 2rem;
}

/* =====================================================
   顶部主导航
===================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 7000;
  background: rgba(10, 8, 20, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 0, 110, 0.3);
  box-shadow: 0 2px 24px rgba(255, 0, 110, 0.12);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.header-side {
  flex: 1;
  display: flex;
  align-items: center;
}

.header-side--right {
  justify-content: flex-end;
}

.header-brand {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-shadow: none;
}

.brand-link:hover {
  text-shadow: var(--glow-pink);
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--c-text);
  letter-spacing: 0.05em;
}

.logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.header-tagline {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--c-text-dim);
}

/* 汉堡按钮 */
.hamburger {
  background: none;
  border: 1px solid rgba(255, 0, 110, 0.4);
  border-radius: var(--radius-sm);
  width: 48px;
  height: 48px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0.5rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.hamburger:hover {
  border-color: var(--c-pink);
  box-shadow: var(--glow-pink);
}

.hamburger-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--c-pink);
  border-radius: 2px;
  transition: background var(--transition), box-shadow var(--transition);
}

.hamburger:hover .hamburger-bar {
  background: var(--c-red);
  box-shadow: var(--glow-red);
}

/* 粘性锚点条 */
.anchor-bar {
  height: var(--anchor-h);
  border-top: 1px solid rgba(255, 0, 110, 0.15);
  background: rgba(26, 26, 46, 0.85);
  display: flex;
  align-items: center;
  overflow-x: auto;
  scrollbar-width: none;
}

.anchor-bar::-webkit-scrollbar {
  display: none;
}

.anchor-links {
  display: flex;
  align-items: center;
  gap: 0;
  margin: 0 auto;
  padding: 0 1.5rem;
  white-space: nowrap;
  width: 100%;
  justify-content: center;
}

.anchor-links .nav-link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--c-text-dim);
  padding: 0.5rem 0.85rem;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition), text-shadow var(--transition);
}

.anchor-links .nav-link:hover {
  color: var(--c-pink);
  border-bottom-color: var(--c-pink);
  text-shadow: var(--glow-pink);
}

/* =====================================================
   section scroll-margin-top
===================================================== */
section[id] {
  scroll-margin-top: calc(var(--header-total) + 12px);
}

/* =====================================================
   Hero
===================================================== */
.hero-wrap {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--c-black);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(255,0,110,0.18) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 80% 100%, rgba(255,0,0,0.12) 0%, transparent 70%),
    linear-gradient(180deg, var(--c-black) 0%, var(--c-dark) 60%, var(--c-mid) 100%);
}

.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,0,110,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,0,110,0.07) 1px, transparent 1px);
  background-size: 60px 60px;
  perspective: 600px;
  transform: perspective(600px) rotateX(20deg) translateY(10%);
  transform-origin: bottom center;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.15;
}

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

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: 2rem 1.5rem 6rem;
  max-width: 780px;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
  color: var(--c-pink);
  text-shadow: var(--glow-pink);
}

.hero-h1 {
  font-size: clamp(2.2rem, 7vw, 5rem);
  font-weight: 800;
  color: var(--c-text);
  margin-bottom: 1.2rem;
  letter-spacing: -0.01em;
  text-shadow: var(--glow-red);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--c-text-dim);
  margin-bottom: 2.2rem;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

/* Hero 斜切底边 */
.hero-clip-bottom {
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  z-index: 4;
  height: 80px;
  background: var(--c-black);
  clip-path: polygon(0 60%, 100% 0, 100% 100%, 0 100%);
}

/* =====================================================
   霓虹按钮
===================================================== */
.neon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  letter-spacing: 0.18em;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--c-text);
  background: transparent;
  border: 2px solid var(--c-red);
  border-radius: var(--radius-sm);
  padding: 0.85rem 2.4rem;
  min-height: 48px;
  cursor: pointer;
  text-decoration: none;
  box-shadow: var(--glow-red), inset 0 0 20px rgba(255,0,0,0.08);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.neon-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,0,0,0.15) 0%, rgba(255,0,110,0.1) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.neon-btn:hover {
  color: #fff;
  border-color: var(--c-pink);
  box-shadow: var(--glow-pink), inset 0 0 30px rgba(255,0,110,0.15);
  text-shadow: var(--glow-pink);
  transform: translateY(-2px);
}

.neon-btn:hover::before {
  opacity: 1;
}

.neon-btn--sm {
  font-size: 0.78rem;
  padding: 0.65rem 1.6rem;
  min-height: 44px;
}

/* =====================================================
   霓虹文字
===================================================== */
.neon-text {
  color: var(--c-red);
  text-shadow: var(--glow-red);
}

.neon-text--pink {
  color: var(--c-pink);
  text-shadow: var(--glow-pink);
}

.neon-text--cyan {
  color: var(--c-accent);
  text-shadow: var(--glow-cyan);
}

/* =====================================================
   故障动效
===================================================== */
.glitch-text {
  position: relative;
}

.glitch-text::before,
.glitch-text::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  left: 0;
  width: 100%;
  overflow: hidden;
}

.glitch-text::before {
  color: var(--c-pink);
  text-shadow: var(--glow-pink);
  animation: glitch-before 3.5s infinite;
  clip-path: polygon(0 0, 100% 0, 100% 40%, 0 40%);
}

.glitch-text::after {
  color: var(--c-accent);
  text-shadow: var(--glow-cyan);
  animation: glitch-after 3.5s infinite;
  clip-path: polygon(0 60%, 100% 60%, 100% 100%, 0 100%);
}

@keyframes glitch-before {
  0%, 90%, 100% { transform: translateX(0) skewX(0); opacity: 0; }
  92% { transform: translateX(-4px) skewX(-2deg); opacity: 0.7; }
  94% { transform: translateX(4px) skewX(2deg); opacity: 0.5; }
  96% { transform: translateX(-2px); opacity: 0.6; }
  98% { transform: translateX(0); opacity: 0; }
}

@keyframes glitch-after {
  0%, 88%, 100% { transform: translateX(0) skewX(0); opacity: 0; }
  90% { transform: translateX(4px) skewX(2deg); opacity: 0.6; }
  93% { transform: translateX(-4px) skewX(-2deg); opacity: 0.5; }
  96% { transform: translateX(2px); opacity: 0.4; }
  98% { transform: translateX(0); opacity: 0; }
}

/* =====================================================
   主体内容
===================================================== */
.site-main {
  position: relative;
  z-index: 10;
  background: var(--c-black);
}

.content-section {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr 280px;
  grid-template-rows: auto 1fr;
  gap: 2rem 3rem;
  align-items: start;
}

.content-section--primary {
  grid-template-areas:
    "figure aside"
    "body   aside";
}

.content-figure {
  grid-area: figure;
  position: relative;
  height: 4px;
  overflow: visible;
}

.deco-geo {
  position: absolute;
  top: -20px;
  left: 0;
  right: 0;
}

.deco-geo--1 {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-pink), var(--c-red), var(--c-pink), transparent);
  box-shadow: var(--glow-pink);
}

.content-body {
  grid-area: body;
  min-width: 0;
}

/* =====================================================
   正文内部样式（page.content 内的元素）
===================================================== */
.content-body section {
  margin-bottom: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 0, 110, 0.12);
}

.content-body section:last-child {
  border-bottom: none;
}

.content-body h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  color: var(--c-text);
  margin-bottom: 0.4rem;
  text-shadow: 0 0 30px rgba(255, 0, 0, 0.2);
  border-left: 4px solid var(--c-red);
  padding-left: 1rem;
}

.content-body h2 + p {
  color: var(--c-text-dim);
  font-size: 0.92rem;
  margin-bottom: 1.5rem;
  padding-left: 1.25rem;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

.content-body h3 {
  font-size: 1.25rem;
  color: var(--c-pink);
  margin: 1.5rem 0 0.6rem;
}

.content-body p {
  color: var(--c-text);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1em;
}

.content-body ul,
.content-body ol {
  margin: 0.8em 0 1.2em 1.5em;
  list-style: disc;
}

.content-body ol {
  list-style: decimal;
}

.content-body li {
  margin-bottom: 0.5em;
  line-height: 1.7;
}

.content-body strong {
  color: var(--c-pink);
  font-weight: 600;
}

.content-body em {
  color: var(--c-text-dim);
}

.content-body a {
  color: var(--c-pink);
  border-bottom: 1px solid rgba(255, 0, 110, 0.4);
  transition: all var(--transition);
}

.content-body a:hover {
  color: var(--c-red);
  border-bottom-color: var(--c-red);
}

.content-body blockquote {
  border-left: 3px solid var(--c-red);
  margin: 1.5rem 0;
  padding: 1rem 1.5rem;
  background: rgba(255, 0, 0, 0.05);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--c-text-dim);
  font-style: italic;
}

.content-body code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: rgba(255, 0, 110, 0.1);
  color: var(--c-pink);
  padding: 0.15em 0.4em;
  border-radius: 3px;
}

.content-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.content-body th,
.content-body td {
  padding: 0.7rem 1rem;
  border: 1px solid rgba(255, 0, 110, 0.2);
  text-align: left;
}

.content-body th {
  background: rgba(255, 0, 110, 0.1);
  color: var(--c-pink);
  font-weight: 600;
}

.content-body tr:hover td {
  background: rgba(255, 0, 0, 0.04);
}

/* =====================================================
   侧边栏 aside
===================================================== */
.content-aside {
  grid-area: aside;
  position: sticky;
  top: calc(var(--header-total) + 1.5rem);
}

.aside-inner {
  background: rgba(26, 26, 46, 0.6);
  border: 1px solid rgba(255, 0, 110, 0.25);
  border-radius: var(--radius-card);
  padding: 1.8rem 1.4rem;
  position: relative;
  overflow: hidden;
}

.aside-inner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-red), var(--c-pink));
  box-shadow: var(--glow-pink);
}

.aside-title {
  font-size: 1rem;
  margin-bottom: 0.2rem;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
}

.aside-nav-list {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.aside-nav-list li {
  margin: 0;
}

.aside-link {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--c-text-dim);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: all var(--transition);
  min-height: 40px;
  display: flex;
  align-items: center;
  letter-spacing: 0.06em;
}

.aside-link:hover {
  color: var(--c-pink);
  border-color: rgba(255, 0, 110, 0.3);
  background: rgba(255, 0, 110, 0.05);
  text-shadow: var(--glow-pink);
}

.aside-deco {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 80px;
  height: 80px;
  border: 2px solid rgba(255, 0, 110, 0.1);
  border-radius: 50%;
  pointer-events: none;
}

.subtitle {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-text-dim);
  letter-spacing: 0.12em;
  margin-bottom: 0;
}

/* =====================================================
   页脚
===================================================== */
.site-footer {
  position: relative;
  z-index: 10;
  background: var(--c-darker);
  border-top: 1px solid rgba(255, 0, 110, 0.2);
}

.footer-cta-block {
  padding: 4rem 1.5rem;
  text-align: center;
  background:
    radial-gradient(ellipse 60% 80% at 50% 50%, rgba(255,0,0,0.08) 0%, transparent 70%);
  border-bottom: 1px solid rgba(255, 0, 110, 0.15);
}

.footer-cta-inner {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.footer-cta-text {
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 700;
  font-family: var(--font-serif);
  margin: 0;
}

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.8rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-address {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--c-text-dim);
  letter-spacing: 0.1em;
}

.footer-brand {
  color: var(--c-pink);
}

.footer-contact-link {
  color: var(--c-text-dim);
  border-bottom: 1px solid rgba(255, 0, 110, 0.3);
}

.footer-links {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
}

.footer-links li a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-text-dim);
  padding: 0.5rem 0.75rem;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  letter-spacing: 0.1em;
  transition: color var(--transition);
}

.footer-links li a:hover {
  color: var(--c-pink);
  text-shadow: var(--glow-pink);
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--c-text-dim);
  letter-spacing: 0.12em;
  margin: 0;
  opacity: 0.7;
}

/* =====================================================
   交错列表动效
===================================================== */
@media (prefers-reduced-motion: no-preference) {
  .overlay-nav-links .nav-link {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.35s ease, transform 0.35s ease, color var(--transition), border-color var(--transition), text-shadow var(--transition);
  }

  .menu-overlay.is-open .overlay-nav-links .nav-link {
    opacity: 1;
    transform: translateX(0);
  }

  .menu-overlay.is-open .overlay-nav-links .nav-link:nth-child(1) { transition-delay: 0.05s; }
  .menu-overlay.is-open .overlay-nav-links .nav-link:nth-child(2) { transition-delay: 0.1s; }
  .menu-overlay.is-open .overlay-nav-links .nav-link:nth-child(3) { transition-delay: 0.15s; }
  .menu-overlay.is-open .overlay-nav-links .nav-link:nth-child(4) { transition-delay: 0.2s; }
  .menu-overlay.is-open .overlay-nav-links .nav-link:nth-child(5) { transition-delay: 0.25s; }
  .menu-overlay.is-open .overlay-nav-links .nav-link:nth-child(6) { transition-delay: 0.3s; }
  .menu-overlay.is-open .overlay-nav-links .nav-link:nth-child(7) { transition-delay: 0.35s; }

  .content-body article {
    animation: fadeSlideUp 0.6s ease both;
  }

  @keyframes fadeSlideUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
  }
}

@media (prefers-reduced-motion: reduce) {
  .scanlines-overlay,
  .glitch-text::before,
  .glitch-text::after {
    animation: none;
  }

  .menu-overlay,
  .neon-btn,
  .nav-link,
  .aside-link {
    transition: none;
  }
}

/* =====================================================
   响应式：平板
===================================================== */
@media (max-width: 1024px) {
  .content-section {
    grid-template-columns: 1fr 240px;
    gap: 1.5rem 2rem;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-h: 56px;
    --anchor-h: 40px;
  }

  .content-section {
    grid-template-columns: 1fr;
    grid-template-areas:
      "figure"
      "body"
      "aside";
    padding: 2.5rem 1rem;
  }

  .content-aside {
    position: static;
  }

  .header-tagline {
    display: none;
  }

  .anchor-links {
    justify-content: flex-start;
    padding: 0 1rem;
  }

  .anchor-links .nav-link {
    font-size: 0.65rem;
    padding: 0.4rem 0.6rem;
  }

  .hero-content {
    padding: 2rem 1rem 5rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

  .footer-links {
    justify-content: center;
  }
}

/* =====================================================
   响应式：手机 375px
===================================================== */
@media (max-width: 480px) {
  html {
    font-size: 15px;
  }

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

  .hero-sub {
    font-size: 0.95rem;
  }

  .content-body h2 {
    font-size: 1.4rem;
  }

  .aside-inner {
    border-radius: 16px;
    padding: 1.4rem 1.1rem;
  }

  .overlay-nav-links .nav-link {
    font-size: 1.3rem;
    padding: 0.5rem 1.5rem;
  }

  .footer-cta-block {
    padding: 3rem 1rem;
  }
}