/* ==========================================================================
   kuai-haha.com.cn · /assets/site.css
   哈哈体育信誉无忧CN — 全站共享样式
   ========================================================================== */

/* ---------- 1. 变量 ---------- */
:root {
  --c-primary: #FF6B00;
  --c-deep: #0A192F;
  --c-yellow: #FFD700;
  --c-cyan: #00F5D4;
  --c-purple: #9D4EDD;
  --c-cloud: #F5F7FA;
  --c-graphite: #2D3748;
  --c-silver: #E2E8F0;
  --c-white: #FFFFFF;
  --c-night: #1A202C;

  --font-head: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", "Cascadia Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;

  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 64px;
  --sp-9: 96px;

  --container-width: 1200px;
  --container-pad: clamp(16px, 4vw, 32px);

  --radius-sm: 4px;
  --radius: 10px;
  --radius-lg: 16px;

  --shadow-sm: 0 2px 8px rgba(10, 25, 47, 0.08);
  --shadow-md: 0 4px 20px rgba(10, 25, 47, 0.12);
  --shadow-lg: 0 10px 36px rgba(10, 25, 47, 0.18);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur: 0.22s;
}

/* ---------- 2. Reset & 基础 ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-graphite);
  background-color: var(--c-cloud);
  min-height: 100vh;
  text-rendering: optimizeLegibility;
}

ul,
ol {
  list-style: none;
}

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

a {
  color: inherit;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
  background: none;
  border: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  font-weight: 900;
  line-height: 1.3;
  color: var(--c-deep);
}

h1 { font-size: clamp(30px, 4vw, 48px); }
h2 { font-size: clamp(26px, 3vw, 36px); }
h3 { font-size: 24px; }
h4 { font-size: 20px; }

code,
pre,
kbd,
samp {
  font-family: var(--font-mono);
}

[hidden] {
  display: none !important;
}

::selection {
  background: var(--c-primary);
  color: var(--c-white);
}

:focus-visible {
  outline: 3px solid var(--c-cyan);
  outline-offset: 3px;
  border-radius: 2px;
}

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--c-cloud); }
::-webkit-scrollbar-thumb { background: var(--c-silver); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--c-graphite); }

main:focus {
  outline: none;
}

#main-content {
  scroll-margin-top: 88px;
}

/* ---------- 3. Skip Link ---------- */
.skip-link {
  position: absolute;
  top: -120px;
  left: 16px;
  z-index: 2000;
  background: var(--c-primary);
  color: var(--c-white);
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  transition: top 0.2s var(--ease);
}

.skip-link:focus-visible {
  top: 0;
}

/* ---------- 4. 布局工具 ---------- */
.container {
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section-block {
  padding-block: var(--sp-7);
  position: relative;
}

.section-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--sp-3) var(--sp-4);
  margin-bottom: var(--sp-6);
  padding-bottom: var(--sp-4);
  border-bottom: 2px solid var(--c-silver);
  position: relative;
}

.section-head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 72px;
  height: 3px;
  background: var(--c-primary);
  transform: skewX(-24deg);
}

.section-index {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--c-white);
  background: var(--c-deep);
  padding: 3px 12px;
  border-radius: 2px;
  white-space: nowrap;
}

.section-title {
  font-size: clamp(28px, 3.2vw, 38px);
}

.section-desc {
  width: 100%;
  max-width: 640px;
  margin-top: var(--sp-2);
  font-size: 15px;
}

/* ---------- 5. 网格 ---------- */
.ctx-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--sp-5);
}

.ctx-grid > * {
  grid-column: span 4;
}

.ctx-grid[data-cols="2"] > * { grid-column: span 6; }
.ctx-grid[data-cols="4"] > * { grid-column: span 3; }

/* ---------- 6. 文本标签 ---------- */
.mono-label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

.idx-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--c-deep);
  background: var(--c-white);
  border: 1px solid var(--c-silver);
  border-left: 3px solid var(--c-primary);
  border-radius: 2px;
  padding: 3px 12px;
  letter-spacing: 0.04em;
}

.stat-num {
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: var(--c-primary);
}

.stat-label {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-graphite);
  text-transform: uppercase;
}

/* ---------- 7. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-deep);
  background: var(--c-white);
  border: 2px solid var(--c-silver);
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
              border-color var(--dur) var(--ease), transform var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
  border-color: var(--c-cyan);
}

.btn-primary {
  background: var(--c-primary);
  border-color: var(--c-primary);
  color: var(--c-white);
  box-shadow: 0 4px 16px rgba(255, 107, 0, 0.32);
}

.btn-primary:hover {
  background: #E85C00;
  border-color: #E85C00;
  color: var(--c-white);
  box-shadow: 0 6px 24px rgba(255, 107, 0, 0.40);
}

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

.btn-ghost:hover {
  background: var(--c-deep);
  border-color: var(--c-deep);
  color: var(--c-white);
}

.btn-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--c-white);
}

.btn-light:hover {
  background: var(--c-white);
  border-color: var(--c-white);
  color: var(--c-deep);
}

/* ---------- 8. 卡片与玻璃 ---------- */
.info-card {
  background: var(--c-white);
  border: 1px solid var(--c-silver);
  border-radius: var(--radius);
  padding: var(--sp-5);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}

.info-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--c-primary), var(--c-yellow));
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}

.info-card:hover {
  border-color: var(--c-cyan);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.info-card:hover::before {
  opacity: 1;
}

.glass-panel {
  background: rgba(255, 255, 255, 0.74);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.70);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: var(--sp-5);
}

/* ---------- 9. 标签与折叠面板 ---------- */
.tag-tx {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--c-graphite);
  background: var(--c-white);
  border: 1.5px solid var(--c-silver);
  border-radius: 100px;
  line-height: 1.4;
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
  transition: all var(--dur) var(--ease);
}

.tag-tx:hover {
  border-color: var(--c-cyan);
  color: var(--c-deep);
}

.tag-tx[data-active="true"] {
  border-color: var(--c-primary);
  background: rgba(255, 107, 0, 0.1);
  color: var(--c-primary);
  font-weight: 700;
}

.panel {
  background: var(--c-white);
  border: 1px solid var(--c-silver);
  border-radius: var(--radius);
  margin-bottom: var(--sp-3);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.panel:hover {
  border-color: rgba(0, 245, 212, 0.6);
}

.panel-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  width: 100%;
  padding: var(--sp-4) var(--sp-5);
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--c-deep);
  text-align: left;
  transition: background var(--dur) var(--ease);
}

.panel-toggle:hover {
  background: var(--c-cloud);
}

.panel-icon {
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--c-primary);
  line-height: 1;
  display: inline-block;
  transition: transform 0.3s var(--ease);
}

.panel[data-open] .panel-icon {
  transform: rotate(45deg);
}

.panel-body {
  max-height: 0;
  overflow: hidden;
  padding: 0 var(--sp-5);
  font-size: 14px;
  line-height: 1.9;
  color: var(--c-graphite);
  transition: max-height 0.32s var(--ease), padding-bottom 0.32s var(--ease);
}

.panel[data-open] .panel-body {
  max-height: 600px;
  padding: 0 var(--sp-5) var(--sp-5);
}

/* ---------- 10. 图片占位容器 ---------- */
.media-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-deep);
  display: flex;
  align-items: center;
  justify-content: center;
}

.media-frame[data-ratio="4:3"] { aspect-ratio: 4 / 3; }
.media-frame[data-ratio="1:1"] { aspect-ratio: 1 / 1; }
.media-frame[data-ratio="3:2"] { aspect-ratio: 3 / 2; }

.media-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(-45deg, rgba(0, 245, 212, 0.14) 0 8px, transparent 8px 16px),
    repeating-linear-gradient(45deg, rgba(255, 107, 0, 0.10) 0 10px, transparent 10px 20px);
  z-index: 1;
  pointer-events: none;
}

.media-frame::after {
  content: attr(data-caption);
  position: absolute;
  left: 12px;
  bottom: 12px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--c-white);
  background: rgba(10, 25, 47, 0.72);
  padding: 4px 12px;
  border-radius: 4px;
  border-left: 3px solid var(--c-primary);
  pointer-events: none;
}

.media-frame img {
  position: relative;
  z-index: 3;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 11. 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: var(--sp-4) 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-graphite);
}

.breadcrumb a {
  color: var(--c-graphite);
  text-decoration: none;
  padding: 2px 6px;
  border-radius: 2px;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.breadcrumb a:hover {
  color: var(--c-primary);
  background: rgba(255, 107, 0, 0.08);
}

.breadcrumb .sep {
  color: var(--c-silver);
}

.breadcrumb [aria-current="page"] {
  color: var(--c-primary);
  font-weight: 600;
}

/* ---------- 12. 装饰 ---------- */
.diag-accent {
  height: 4px;
  width: 100%;
  background: linear-gradient(90deg, var(--c-primary), var(--c-yellow), var(--c-cyan));
  transform: skewX(-24deg);
  border-radius: 2px;
}

.slant-stripes {
  background-image: repeating-linear-gradient(
    -45deg,
    var(--c-deep) 0 10px,
    transparent 10px 22px,
    rgba(255, 107, 0, 0.35) 22px 28px,
    transparent 28px 40px
  );
  min-height: 60px;
}

/* ==========================================================================
   头部
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 25, 47, 0.92);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 20px rgba(10, 25, 47, 0.20);
}

.scroll-progress {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--c-primary) 0%, var(--c-yellow) 55%, var(--c-cyan) 100%);
  z-index: 1001;
  transition: width 0.08s linear;
}

.header-inner {
  max-width: var(--container-width);
  margin-inline: auto;
  padding: 0 var(--container-pad);
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.brand-link {
  position: relative;
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 20px;
  line-height: 1.2;
  color: var(--c-white);
  text-decoration: none;
  padding-bottom: 8px;
  white-space: nowrap;
  flex-shrink: 0;
}

.brand-link .brand-accent {
  color: var(--c-primary);
  font-style: normal;
}

.brand-link .brand-cn {
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--c-cyan);
  letter-spacing: 0.04em;
}

.brand-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 5px;
  height: 4px;
  background: var(--c-primary);
  transform: skewX(-28deg);
  clip-path: polygon(0 0, 84% 0, 100% 50%, 84% 100%, 0 100%);
}

.site-nav {
  margin-inline: auto;
  display: flex;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-link {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  border: 1px solid transparent;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease),
              border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.nav-index {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--c-cyan);
  letter-spacing: 0.04em;
  opacity: 0.9;
}

.nav-link:hover {
  color: var(--c-white);
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}

.nav-link[aria-current="page"] {
  color: var(--c-white);
  background: rgba(255, 107, 0, 0.18);
  border-color: rgba(255, 107, 0, 0.45);
  box-shadow: inset 0 -2px 0 var(--c-primary);
}

.header-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  border-radius: 100px;
  border: 1px solid rgba(0, 245, 212, 0.30);
  background: rgba(0, 245, 212, 0.06);
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.70);
  white-space: nowrap;
  flex-shrink: 0;
}

.status-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-cyan);
  flex-shrink: 0;
  animation: status-pulse 1.6s ease-in-out infinite;
}

@keyframes status-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 245, 212, 0.5); }
  50% { opacity: 0.55; box-shadow: 0 0 0 6px rgba(0, 245, 212, 0); }
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 46px;
  height: 46px;
  padding: 10px;
  border-radius: var(--radius-sm);
  border: 2px solid rgba(255, 255, 255, 0.25);
  background: transparent;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.nav-toggle:hover {
  border-color: var(--c-primary);
}

.nav-toggle .toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--c-white);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.2s var(--ease);
}

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

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

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

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer {
  background: var(--c-night);
  color: rgba(255, 255, 255, 0.75);
}

.footer-accent {
  height: 6px;
  background: repeating-linear-gradient(
    -45deg,
    var(--c-primary) 0 10px,
    var(--c-deep) 10px 20px,
    var(--c-cyan) 20px 30px,
    var(--c-deep) 30px 40px
  );
}

.footer-inner {
  max-width: var(--container-width);
  margin-inline: auto;
  padding: var(--sp-8) var(--container-pad) var(--sp-6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1.2fr 1.5fr;
  gap: var(--sp-7);
  padding-bottom: var(--sp-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand-link {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 900;
  color: var(--c-white);
  text-decoration: none;
  margin-bottom: var(--sp-4);
}

.footer-brand-link .brand-accent {
  color: var(--c-primary);
  font-style: normal;
}

.footer-brand-link .brand-cn {
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--c-cyan);
  letter-spacing: 0.04em;
}

.footer-statement {
  font-size: 14px;
  line-height: 2;
  color: rgba(255, 255, 255, 0.60);
  margin-bottom: var(--sp-4);
  max-width: 420px;
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-yellow);
  margin-bottom: var(--sp-4);
  padding-bottom: var(--sp-2);
  border-bottom: 2px solid rgba(255, 215, 0, 0.30);
  display: inline-block;
}

.footer-nav-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-2) var(--sp-4);
}

.footer-nav-list a,
.footer-links a {
  color: rgba(255, 255, 255, 0.70);
  text-decoration: none;
  font-size: 14px;
  padding: 4px 0;
  display: inline-block;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.footer-nav-list a:hover,
.footer-links a:hover {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.72);
}

.footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.9;
}

.footer-contact-list .mono-label {
  color: var(--c-yellow);
  opacity: 0.85;
  min-width: 38px;
  flex-shrink: 0;
  font-size: 11px;
  letter-spacing: 0.10em;
  padding-top: 2px;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-3) var(--sp-5);
  padding-top: var(--sp-5);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.50);
}

.footer-bottom .footer-links {
  display: flex;
  gap: var(--sp-4);
  margin-inline: auto;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 12px;
}

.footer-icp {
  font-family: var(--font-mono);
  font-size: 12px;
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1080px) {
  .header-status {
    display: none;
  }

  .site-nav {
    margin-inline: 0;
  }

  .header-inner {
    justify-content: flex-start;
  }

  .site-nav {
    margin-left: auto;
  }
}

@media (max-width: 991px) {
  .header-inner {
    flex-wrap: wrap;
    min-height: 64px;
  }

  .nav-toggle {
    display: flex;
    margin-left: auto;
  }

  .site-nav {
    display: block;
    flex-basis: 100%;
    width: 100%;
    margin-inline: 0;
    max-height: 0;
    overflow: hidden;
    background: var(--c-deep);
    border-radius: 0 0 var(--radius) var(--radius);
    padding-inline: var(--sp-3);
    transition: max-height 0.4s var(--ease);
  }

  .site-nav[data-open] {
    max-height: 480px;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--sp-1);
    padding-block: var(--sp-3);
  }

  .nav-link {
    display: flex;
    align-items: center;
    padding: 12px 14px;
    font-size: 15px;
    border-radius: var(--radius-sm);
  }

  .nav-link[aria-current="page"] {
    background: rgba(255, 107, 0, 0.16);
    border-color: transparent;
    box-shadow: inset 3px 0 0 var(--c-primary);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-6);
  }
}

@media (max-width: 767px) {
  .section-block {
    padding-block: var(--sp-5);
  }

  .ctx-grid > * {
    grid-column: span 12;
  }

  .ctx-grid[data-cols="2"] > *,
  .ctx-grid[data-cols="3"] > *,
  .ctx-grid[data-cols="4"] > * {
    grid-column: span 12;
  }

  .brand-link {
    font-size: 18px;
  }

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

  .footer-bottom .footer-links {
    margin-inline: 0;
  }

  .footer-nav-list {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 420px) {
  .brand-link {
    font-size: 16px;
  }

  .header-inner {
    gap: var(--sp-3);
  }
}

/* ---------- 13. 无障碍：减少动态 ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .scroll-progress {
    transition: none !important;
  }
}