/* ==========================================================================
   必赢亚州游戏 — 全站共享样式
   文件：/assets/site.css
   ========================================================================== */

/* ------------------------------------------------
   1. Reset
   ------------------------------------------------ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  min-height: 100vh;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 800;
  line-height: 1.15;
}

/* ------------------------------------------------
   2. 设计变量
   ------------------------------------------------ */
:root {
  color-scheme: dark;

  --color-night: #0A0F1E;
  --color-midnight: #1A1A2E;
  --color-green: #00FF88;
  --color-gold: #C9B458;
  --color-electric: #00C6FF;
  --color-text: #E0E0E0;
  --color-muted: #8A8FA3;
  --color-dim: #303030;
  --color-alert: #FF4D4F;
  --color-white: #FFFFFF;

  --font-display: "Barlow", "Lexend", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Inter", "SF Pro", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-data: "Roboto Mono", "SFMono-Regular", "Consolas", "Liberation Mono", monospace;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;

  --container-max: 1280px;
  --header-h: 72px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 999px;

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;

  --z-header: 100;
  --z-skip: 1000;
}

/* ------------------------------------------------
   3. 基础排版
   ------------------------------------------------ */
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-night);
  background-image:
    radial-gradient(ellipse 600px 300px at 92% -4%, rgba(0, 198, 255, 0.06), transparent),
    radial-gradient(ellipse 480px 240px at 4% 18%, rgba(0, 255, 136, 0.04), transparent),
    linear-gradient(rgba(255, 255, 255, 0.014) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.014) 1px, transparent 1px);
  background-size: auto, auto, 44px 44px, 44px 44px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-white);
}

h1 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.025em;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 700;
}

h4 {
  font-size: 1.125rem;
  font-weight: 700;
}

p {
  margin-bottom: var(--space-4);
}

a {
  color: var(--color-green);
  transition: color var(--transition-fast);
}

a:hover,
a:focus-visible {
  color: var(--color-white);
}

::selection {
  background: var(--color-green);
  color: var(--color-night);
}

:focus-visible {
  outline: 2px solid var(--color-green);
  outline-offset: 3px;
  border-radius: 4px;
}

#main-content {
  scroll-margin-top: calc(var(--header-h) + 8px);
}

/* ------------------------------------------------
   4. 展示排版
   ------------------------------------------------ */
.display-title {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 6vw, 5.25rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.03em;
  color: var(--color-white);
}

.display-kicker {
  display: block;
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-green);
  margin-bottom: var(--space-3);
}

.title-underline {
  position: relative;
  padding-bottom: var(--space-3);
}

.title-underline::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 3rem;
  height: 3px;
  border-radius: 2px;
  background: var(--color-gold);
}

.data-text {
  font-family: var(--font-data);
  font-size: 0.85rem;
  color: var(--color-electric);
  letter-spacing: 0.03em;
}

.data-text--large {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 700;
}

.section-head {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.section-head__index {
  font-family: var(--font-data);
  font-size: 0.78rem;
  color: var(--color-gold);
  letter-spacing: 0.05em;
}

.section-head__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.02em;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  background: rgba(0, 198, 255, 0.1);
  border: 1px solid rgba(0, 198, 255, 0.22);
  color: var(--color-electric);
}

.tag--green {
  background: rgba(0, 255, 136, 0.08);
  border-color: rgba(0, 255, 136, 0.25);
  color: var(--color-green);
}

.tag--gold {
  background: rgba(201, 180, 88, 0.08);
  border-color: rgba(201, 180, 88, 0.25);
  color: var(--color-gold);
}

/* ------------------------------------------------
   5. 跳转与进度
   ------------------------------------------------ */
.skip-link {
  position: fixed;
  top: -48px;
  left: var(--space-4);
  z-index: var(--z-skip);
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  background: var(--color-green);
  color: var(--color-night);
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1;
  transition: top var(--transition-fast);
}

.skip-link:hover,
.skip-link:focus-visible {
  color: var(--color-night);
}

.skip-link:focus-visible {
  top: var(--space-4);
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--color-green), var(--color-electric), var(--color-gold));
  z-index: calc(var(--z-header) + 1);
  pointer-events: none;
}

/* ------------------------------------------------
   6. 头部
   ------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(10, 15, 30, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.site-header__inner {
  max-width: var(--container-max);
  height: var(--header-h);
  margin-inline: auto;
  padding-inline: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  color: var(--color-white);
}

.brand:hover,
.brand:focus-visible {
  color: var(--color-white);
}

.brand__emblem {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-green) 0%, var(--color-electric) 100%);
  color: var(--color-night);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 900;
  line-height: 1;
  box-shadow: 0 0 16px rgba(0, 255, 136, 0.18);
}

.brand__name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--color-white);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  counter-reset: nav-counter;
}

.site-nav__item {
  counter-increment: nav-counter;
}

.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-muted);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.site-nav__link::before {
  content: "0" counter(nav-counter);
  font-family: var(--font-data);
  font-size: 0.6rem;
  font-weight: 500;
  color: var(--color-gold);
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.04);
}

.site-nav__link[aria-current="page"] {
  color: var(--color-green);
  background: rgba(0, 255, 136, 0.07);
}

.site-nav__link[aria-current="page"]::before {
  color: var(--color-green);
  opacity: 1;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.55rem 1.3rem;
  border: 1px solid var(--color-green);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1;
  color: var(--color-green);
  white-space: nowrap;
  transition: background var(--transition-base), color var(--transition-base), box-shadow var(--transition-base);
}

.nav-cta:hover,
.nav-cta:focus-visible {
  background: var(--color-green);
  color: var(--color-night);
  box-shadow: 0 0 22px rgba(0, 255, 136, 0.25);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--color-white);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(0, 255, 136, 0.4);
}

.nav-toggle__line {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ------------------------------------------------
   7. 页脚
   ------------------------------------------------ */
.site-footer {
  background: #070B16;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.site-footer::before {
  content: "";
  display: block;
  height: 2px;
  background: linear-gradient(90deg, var(--color-green), var(--color-electric), var(--color-gold));
  opacity: 0.55;
}

.site-footer__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding: var(--space-8) var(--space-6) var(--space-7);
  display: grid;
  grid-template-columns: 2fr 1fr 1.4fr;
  gap: var(--space-7);
}

.site-footer__block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
}

.site-footer__block--brand {
  gap: var(--space-4);
}

.site-footer__block--nav,
.site-footer__block--contact {
  gap: var(--space-2);
}

.brand--footer .brand__emblem {
  width: 36px;
  height: 36px;
  font-size: 1rem;
}

.brand--footer .brand__name {
  font-size: 1.05rem;
}

.site-footer__statement {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-muted);
  max-width: 36ch;
  margin: 0;
}

.site-footer__inline-link {
  color: var(--color-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(201, 180, 88, 0.4);
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

.site-footer__inline-link:hover,
.site-footer__inline-link:focus-visible {
  color: var(--color-green);
  text-decoration-color: var(--color-green);
}

.site-footer__heading {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-gold);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
}

.site-footer__nav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-1);
}

.site-footer__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0;
  font-size: 0.9rem;
  color: var(--color-muted);
  transition: color var(--transition-fast);
}

.site-footer__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--color-green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.site-footer__link:hover,
.site-footer__link:focus-visible {
  color: var(--color-green);
}

.site-footer__link:hover::after,
.site-footer__link:focus-visible::after {
  transform: scaleX(1);
}

.site-footer__text {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--color-muted);
  margin: 0;
}

.site-footer__bottom {
  max-width: var(--container-max);
  margin-inline: auto;
  padding: var(--space-4) var(--space-6) var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.site-footer__copyright,
.site-footer__icp {
  margin: 0;
  font-size: 0.8rem;
  color: var(--color-muted);
}

.site-footer__icp {
  font-family: var(--font-data);
}

/* ------------------------------------------------
   8. 容器与布局
   ------------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container--narrow {
  max-width: 840px;
}

.section {
  padding-block: var(--space-8);
}

.section--tight {
  padding-block: var(--space-5);
}

.grid {
  display: grid;
  gap: var(--space-6);
}

.grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.slant-panel {
  position: relative;
  padding: var(--space-6);
  background: var(--color-midnight);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  overflow: hidden;
  isolation: isolate;
}

.slant-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(120deg, rgba(0, 198, 255, 0.09) 0%, transparent 38%, rgba(0, 255, 136, 0.05) 100%);
  clip-path: polygon(0 0, 46% 0, 28% 100%, 0 100%);
}

.data-stream {
  position: relative;
  overflow: hidden;
}

.data-stream::after {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  bottom: 0;
  height: 1px;
  background: repeating-linear-gradient(
    90deg,
    var(--color-electric) 0 6px,
    transparent 6px 14px,
    var(--color-green) 14px 16px,
    transparent 16px 24px
  );
  opacity: 0.35;
  pointer-events: none;
}

/* ------------------------------------------------
   9. 按钮
   ------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  text-align: center;
  transition: background var(--transition-base), color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.btn--primary {
  background: var(--color-green);
  border-color: var(--color-green);
  color: var(--color-night);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: transparent;
  color: var(--color-green);
  box-shadow: 0 0 24px rgba(0, 255, 136, 0.18);
}

.btn--ghost {
  background: transparent;
  border-color: var(--color-electric);
  color: var(--color-electric);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  background: rgba(0, 198, 255, 0.08);
  border-color: var(--color-electric);
  color: var(--color-electric);
}

.btn--gold {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-night);
}

.btn--gold:hover,
.btn--gold:focus-visible {
  background: transparent;
  color: var(--color-gold);
  box-shadow: 0 0 24px rgba(201, 180, 88, 0.18);
}

/* ------------------------------------------------
   10. 面包屑
   ------------------------------------------------ */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: var(--space-4) 0;
  font-size: 0.82rem;
  color: var(--color-muted);
}

.breadcrumb a {
  color: var(--color-muted);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: var(--color-green);
}

.breadcrumb__separator {
  color: var(--color-dim);
}

.breadcrumb__current {
  color: var(--color-text);
  font-weight: 600;
}

/* ------------------------------------------------
   11. 卡片
   ------------------------------------------------ */
.card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-midnight);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover,
.card:focus-within {
  border-color: rgba(0, 255, 136, 0.28);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.28);
  transform: translateY(-2px);
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-white);
}

.card__text {
  font-size: 0.92rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin: 0;
}

/* ------------------------------------------------
   12. 图片容器
   ------------------------------------------------ */
.image-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background:
    radial-gradient(circle at 22% 28%, rgba(0, 255, 136, 0.1) 0%, transparent 55%),
    radial-gradient(circle at 78% 72%, rgba(0, 198, 255, 0.09) 0%, transparent 50%),
    linear-gradient(135deg, #131730 0%, #1D1D33 100%);
}

.image-frame > img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms ease;
}

.image-frame:hover > img,
.image-frame:focus-within > img {
  transform: scale(1.03);
}

.image-frame[data-caption]::after {
  content: attr(data-caption);
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: var(--space-5) var(--space-4) var(--space-3);
  background: linear-gradient(transparent, rgba(10, 15, 30, 0.85));
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--color-white);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.image-frame[data-caption]:hover::after,
.image-frame[data-caption]:focus-within::after {
  opacity: 1;
}

.image-frame--wide {
  aspect-ratio: 16 / 9;
}

.image-frame--portrait {
  aspect-ratio: 3 / 4;
}

.image-frame--square {
  aspect-ratio: 1 / 1;
}

.image-frame--video {
  aspect-ratio: 21 / 9;
}

/* ------------------------------------------------
   13. 时间线
   ------------------------------------------------ */
.timeline {
  position: relative;
  padding-left: var(--space-7);
}

.timeline::before {
  content: "";
  position: absolute;
  top: 2px;
  bottom: 2px;
  left: 5px;
  width: 2px;
  background: linear-gradient(var(--color-electric), var(--color-green), var(--color-gold));
  opacity: 0.45;
  border-radius: 2px;
}

.timeline__item {
  position: relative;
  padding-bottom: var(--space-6);
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__item::before {
  content: "";
  position: absolute;
  top: 0.55rem;
  left: calc(-1 * var(--space-7) + 1px);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-night);
  border: 2px solid var(--color-green);
  box-shadow: 0 0 8px rgba(0, 255, 136, 0.25);
}

.timeline__time {
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--color-electric);
  display: block;
  margin-bottom: var(--space-1);
}

/* ------------------------------------------------
   14. 响应式
   ------------------------------------------------ */
@media (max-width: 960px) {
  .site-header__inner {
    height: var(--header-h);
    padding-inline: var(--space-4);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    right: 0;
    left: 0;
    bottom: 0;
    z-index: calc(var(--z-header) - 1);
    display: none;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: var(--space-5);
    padding: var(--space-7) var(--space-5) calc(var(--space-9) + env(safe-area-inset-bottom));
    background: var(--color-night);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    overflow-y: auto;
  }

  .site-nav[data-open="true"] {
    display: flex;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-1);
  }

  .site-nav__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    font-size: 1.05rem;
    border-radius: var(--radius-md);
  }

  .site-nav__link::before {
    order: 2;
    font-size: 0.7rem;
  }

  .nav-cta {
    justify-content: center;
    padding: var(--space-3) var(--space-5);
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    padding: var(--space-7) var(--space-5);
  }

  .grid--3,
  .grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  :root {
    --header-h: 64px;
  }

  .brand__emblem {
    width: 36px;
    height: 36px;
    font-size: 1.05rem;
  }

  .brand__name {
    font-size: 1rem;
  }

  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    padding-inline: var(--space-5);
  }

  .container {
    padding-inline: var(--space-4);
  }
}

/* ------------------------------------------------
   15. 减弱动效
   ------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .scroll-progress {
    display: none;
  }

  .image-frame > img {
    transition: none;
  }
}