/* =========================================================
   MANBETX 中文站 · 共享样式 /assets/site.css
   暗底海报体系：切角面板 + 等宽索引 + 光带
   ========================================================= */

/* ---------- reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--mbx-font-body);
  font-size: 17px;
  line-height: 1.8;
  color: var(--mbx-fog);
  background-color: var(--mbx-ink);
  background-image:
    radial-gradient(1100px 560px at 84% -8%, rgba(122, 14, 30, 0.38), transparent 62%),
    radial-gradient(820px 480px at 4% 26%, rgba(53, 224, 224, 0.07), transparent 70%),
    linear-gradient(rgba(242, 244, 247, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242, 244, 247, 0.035) 1px, transparent 1px);
  background-size: auto, auto, 64px 64px, 64px 64px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3, h4 {
  margin: 0 0 0.5em;
  font-family: var(--mbx-font-display);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--mbx-fog);
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a { color: inherit; }

ul, ol { margin: 0 0 1em; padding-left: 1.2em; }

button { font: inherit; }

::selection {
  background: var(--mbx-cyan);
  color: var(--mbx-ink);
}

:focus-visible {
  outline: 2px solid var(--mbx-cyan);
  outline-offset: 3px;
  box-shadow: inset 0 0 0 1px rgba(53, 224, 224, 0.35);
}

#main-content {
  display: block;
  scroll-margin-top: 132px;
}

/* ---------- tokens ---------- */
:root {
  --mbx-ink: #0B0D10;
  --mbx-panel: #151A21;
  --mbx-panel-2: #1C222B;
  --mbx-crimson: #7A0E1E;
  --mbx-red: #B32034;
  --mbx-cyan: #35E0E0;
  --mbx-amber: #F5B84B;
  --mbx-blue: #4D7CFE;
  --mbx-fog: #F2F4F7;
  --mbx-mute: #8B95A7;
  --mbx-line: rgba(242, 244, 247, 0.12);
  --mbx-line-soft: rgba(242, 244, 247, 0.07);
  --mbx-cut: 16px;
  --mbx-gutter: clamp(16px, 3vw, 32px);
  --mbx-max: 1280px;
  --mbx-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --mbx-font-display: "Archivo Black", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --mbx-font-body: "Inter", "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --mbx-font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* ---------- 布局与通用组件 ---------- */
.mbx-container {
  width: 100%;
  max-width: var(--mbx-max);
  margin-inline: auto;
  padding-inline: var(--mbx-gutter);
}

.mbx-section { padding-block: clamp(40px, 6vw, 88px); }

.mbx-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--mbx-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mbx-cyan);
}
.mbx-eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: linear-gradient(90deg, var(--mbx-red), var(--mbx-cyan));
}

.mbx-title {
  margin: 0 0 18px;
  font-family: var(--mbx-font-display);
  font-size: clamp(30px, 5.2vw, 58px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: var(--mbx-fog);
}
.mbx-title em {
  font-style: normal;
  color: var(--mbx-amber);
}

.mbx-lead {
  margin: 0 0 24px;
  max-width: 62ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--mbx-mute);
}

.mbx-mono {
  font-family: var(--mbx-font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mbx-mute);
}

.mbx-slash {
  height: 2px;
  margin: clamp(24px, 4vw, 48px) 0;
  border: 0;
  background: linear-gradient(90deg, var(--mbx-red), rgba(53, 224, 224, 0.45) 42%, transparent 92%);
  transform: skewY(-1.4deg);
}

/* 网格 */
.mbx-grid {
  display: grid;
  gap: clamp(16px, 2.2vw, 28px);
}
.mbx-grid--halves { grid-template-columns: 1fr; }
.mbx-grid--thirds { grid-template-columns: 1fr; }
.mbx-grid--split { grid-template-columns: 1fr; }

/* 面板 */
.mbx-panel {
  position: relative;
  padding: clamp(18px, 2.4vw, 30px);
  background: linear-gradient(160deg, var(--mbx-panel), #10141A 88%);
  border: 1px solid var(--mbx-line);
  transition: transform 0.2s var(--mbx-ease), border-color 0.2s ease;
}
.mbx-panel--cut {
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}
.mbx-panel--ink { background: rgba(11, 13, 16, 0.72); }
.mbx-panel:hover {
  transform: translateY(-4px);
  border-color: rgba(53, 224, 224, 0.45);
}

/* 按钮 */
.mbx-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  font-family: var(--mbx-font-body);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
  text-decoration: none;
  color: var(--mbx-fog);
  background: linear-gradient(135deg, var(--mbx-red), var(--mbx-crimson));
  border: 1px solid rgba(242, 244, 247, 0.16);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  cursor: pointer;
  transition: transform 0.18s var(--mbx-ease), background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.mbx-btn:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, var(--mbx-red), #8E1526);
  border-color: rgba(245, 184, 75, 0.6);
}
.mbx-btn--ghost {
  color: var(--mbx-cyan);
  background: transparent;
  border-color: rgba(53, 224, 224, 0.55);
}
.mbx-btn--ghost:hover {
  color: var(--mbx-ink);
  background: var(--mbx-cyan);
  border-color: var(--mbx-cyan);
}
.mbx-btn--gold {
  color: var(--mbx-amber);
  background: transparent;
  border-color: rgba(245, 184, 75, 0.5);
}
.mbx-btn--gold:hover {
  color: var(--mbx-ink);
  background: var(--mbx-amber);
  border-color: var(--mbx-amber);
}

/* 面包屑 */
.mbx-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--mbx-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mbx-mute);
}
.mbx-breadcrumb a {
  color: var(--mbx-mute);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.mbx-breadcrumb a:hover {
  color: var(--mbx-cyan);
  border-bottom-color: var(--mbx-cyan);
}
.mbx-breadcrumb__sep { color: rgba(139, 149, 167, 0.55); }
.mbx-breadcrumb [aria-current="page"] { color: var(--mbx-fog); }

/* 图片容器（页面阶段放 <img> 占位） */
.mbx-media {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background:
    linear-gradient(150deg, var(--mbx-panel-2), #0B0D10 72%);
  border: 1px solid var(--mbx-line);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}
.mbx-media img,
.mbx-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.mbx-media--wide { aspect-ratio: 21 / 9; }
.mbx-media--tall { aspect-ratio: 4 / 5; }
.mbx-media--square { aspect-ratio: 1 / 1; }
.mbx-media__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 8px 12px;
  font-family: var(--mbx-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mbx-cyan);
  background: rgba(11, 13, 16, 0.84);
  border-top: 1px solid var(--mbx-line);
  border-right: 1px solid var(--mbx-line);
}

/* 胶囊筛选 */
.mbx-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  color: var(--mbx-mute);
  background: rgba(21, 26, 33, 0.8);
  border: 1px solid var(--mbx-line);
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}
.mbx-chip:hover {
  color: var(--mbx-fog);
  border-color: rgba(53, 224, 224, 0.5);
}
.mbx-chip[aria-pressed="true"],
.mbx-chip.is-active {
  color: var(--mbx-ink);
  font-weight: 700;
  background: var(--mbx-cyan);
  border-color: var(--mbx-cyan);
}

/* 步骤路径（技能树） */
.mbx-path {
  position: relative;
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.mbx-path__step {
  position: relative;
  padding: 16px 18px 16px 58px;
  background: rgba(21, 26, 33, 0.72);
  border: 1px solid var(--mbx-line);
  border-left: 2px solid rgba(53, 224, 224, 0.55);
  transition: transform 0.2s var(--mbx-ease), border-color 0.2s ease;
}
.mbx-path__step:hover {
  transform: translateY(-3px);
  border-left-color: var(--mbx-amber);
}
.mbx-path__num {
  position: absolute;
  left: 16px;
  top: 16px;
  font-family: var(--mbx-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mbx-amber);
}

/* ---------- 头部 ---------- */
.mbx-header {
  position: sticky;
  top: 0;
  z-index: 80;
  padding: clamp(10px, 1.6vw, 18px) var(--mbx-gutter) 0;
  background: linear-gradient(180deg, rgba(11, 13, 16, 0.94) 0%, rgba(11, 13, 16, 0.7) 62%, rgba(11, 13, 16, 0) 100%);
}
.mbx-header::before {
  content: "";
  position: absolute;
  left: -12%;
  top: -64px;
  width: 52%;
  height: 176px;
  background: linear-gradient(100deg, rgba(179, 32, 52, 0.55), rgba(122, 14, 30, 0.18) 55%, transparent 78%);
  transform: skewX(-22deg);
  filter: blur(18px);
  pointer-events: none;
  z-index: 0;
}
.mbx-header__rail {
  position: relative;
  z-index: 1;
  max-width: var(--mbx-max);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* 跳过链接 */
.mbx-skip {
  position: absolute;
  left: var(--mbx-gutter);
  top: -72px;
  z-index: 99;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  color: var(--mbx-ink);
  background: var(--mbx-cyan);
  transition: top 0.2s var(--mbx-ease);
}
.mbx-skip:focus { top: 8px; }

/* 阅读进度条 */
.mbx-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 90;
  background: rgba(242, 244, 247, 0.08);
  pointer-events: none;
}
.mbx-progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--mbx-crimson), var(--mbx-red) 34%, var(--mbx-cyan) 76%, var(--mbx-amber));
  transition: transform 0.12s linear;
}

/* 品牌浮岛 */
.mbx-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  padding: 8px 20px 8px 12px;
  text-decoration: none;
  color: var(--mbx-fog);
  background: linear-gradient(135deg, var(--mbx-crimson), #43060F 94%);
  border: 1px solid rgba(242, 244, 247, 0.16);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: transform 0.2s var(--mbx-ease), border-color 0.2s ease;
}
.mbx-brand:hover {
  transform: translateY(-2px);
  border-color: rgba(53, 224, 224, 0.6);
}
.mbx-brand__glyph {
  padding-right: 11px;
  font-family: var(--mbx-font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mbx-amber);
  border-right: 1px solid rgba(242, 244, 247, 0.3);
}
.mbx-brand__stack { display: block; line-height: 1.1; }
.mbx-brand__name {
  display: block;
  font-family: var(--mbx-font-display);
  font-size: 15px;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.mbx-brand__meta {
  display: block;
  margin-top: 3px;
  font-family: var(--mbx-font-mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  color: rgba(242, 244, 247, 0.64);
  white-space: nowrap;
}

/* 胶囊导航 */
.mbx-nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: center;
  min-width: 0;
}
.mbx-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 5px;
  list-style: none;
  background: rgba(21, 26, 33, 0.78);
  border: 1px solid var(--mbx-line);
  border-radius: 999px;
  box-shadow: 0 20px 44px -28px rgba(0, 0, 0, 0.95);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}
.mbx-nav__item { list-style: none; }
.mbx-nav__link {
  display: block;
  padding: 9px 14px;
  font-size: 14px;
  letter-spacing: 0.02em;
  white-space: nowrap;
  text-decoration: none;
  color: var(--mbx-mute);
  border-radius: 999px;
  transition: color 0.18s ease, background 0.18s ease;
}
.mbx-nav__link:hover {
  color: var(--mbx-fog);
  background: rgba(53, 224, 224, 0.12);
}
.mbx-nav__link[aria-current="page"] {
  color: var(--mbx-fog);
  font-weight: 700;
  background: linear-gradient(135deg, var(--mbx-red), var(--mbx-crimson));
  box-shadow: inset 0 0 0 1px rgba(245, 184, 75, 0.35);
}

/* 右侧工具 */
.mbx-tools {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  margin-left: auto;
}
.mbx-tools__search {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.03em;
  white-space: nowrap;
  text-decoration: none;
  color: var(--mbx-ink);
  background: var(--mbx-cyan);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  transition: background 0.18s ease, transform 0.18s ease, color 0.18s ease;
}
.mbx-tools__search:hover {
  background: var(--mbx-fog);
  transform: translateY(-2px);
}
.mbx-tools__cert {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 11px;
  font-family: var(--mbx-font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  white-space: nowrap;
  color: var(--mbx-amber);
  background: rgba(245, 184, 75, 0.08);
  border: 1px dashed rgba(245, 184, 75, 0.45);
}
.mbx-tools__cert::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mbx-amber);
  box-shadow: 0 0 0 3px rgba(245, 184, 75, 0.16);
}
.mbx-tools__toggle {
  display: none;
  align-items: center;
  gap: 9px;
  min-height: 42px;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--mbx-fog);
  background: rgba(21, 26, 33, 0.9);
  border: 1px solid var(--mbx-line);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.mbx-tools__toggle:hover {
  color: var(--mbx-cyan);
  border-color: rgba(53, 224, 224, 0.6);
}
.mbx-tools__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 2px;
  background: currentColor;
  box-shadow: 0 -5px 0 currentColor, 0 5px 0 currentColor;
  transition: transform 0.2s var(--mbx-ease), box-shadow 0.2s var(--mbx-ease);
}
.mbx-tools__toggle[aria-expanded="true"] .mbx-tools__bars {
  box-shadow: none;
  transform: rotate(45deg);
}
.mbx-tools__toggle[aria-expanded="true"] .mbx-tools__bars::after {
  content: "";
  position: absolute;
  inset: 0;
  background: currentColor;
  transform: rotate(90deg);
}

/* ---------- 页脚 ---------- */
.mbx-footer {
  position: relative;
  margin-top: clamp(56px, 8vw, 110px);
  border-top: 1px solid var(--mbx-line);
  background:
    radial-gradient(900px 340px at 88% 0%, rgba(122, 14, 30, 0.5), transparent 70%),
    radial-gradient(680px 300px at 6% 22%, rgba(53, 224, 224, 0.07), transparent 70%),
    var(--mbx-ink);
  overflow: hidden;
}
.mbx-footer__beam {
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--mbx-crimson) 12%, var(--mbx-red) 32%, var(--mbx-cyan) 58%, var(--mbx-amber) 78%, transparent);
  background-size: 200% 100%;
  animation: mbx-beam 16s linear infinite;
}
@keyframes mbx-beam {
  from { background-position: 0% 50%; }
  to { background-position: 200% 50%; }
}

.mbx-footer__inner {
  max-width: var(--mbx-max);
  margin-inline: auto;
  padding: clamp(40px, 5vw, 76px) var(--mbx-gutter) 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 48px);
}
.mbx-footer__kicker {
  margin: 0 0 14px;
  font-family: var(--mbx-font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mbx-cyan);
}
.mbx-footer__brand {
  margin: 0 0 12px;
  font-family: var(--mbx-font-display);
  font-size: clamp(26px, 4.2vw, 46px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--mbx-fog);
}
.mbx-footer__tagline {
  margin: 0 0 6px;
  max-width: 34ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mbx-mute);
}
.mbx-footer__label {
  margin: 0 0 16px;
  font-family: var(--mbx-font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mbx-amber);
}
.mbx-footer__list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: mbxf;
  display: grid;
  gap: 2px;
}
.mbx-footer__list li { counter-increment: mbxf; }
.mbx-footer__list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  font-size: 15px;
  text-decoration: none;
  color: var(--mbx-fog);
  border-bottom: 1px solid var(--mbx-line-soft);
  transition: color 0.18s ease, border-color 0.18s ease, transform 0.18s var(--mbx-ease);
}
.mbx-footer__list a::before {
  content: "0" counter(mbxf);
  font-family: var(--mbx-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mbx-mute);
}
.mbx-footer__list a:hover {
  color: var(--mbx-cyan);
  border-bottom-color: rgba(53, 224, 224, 0.5);
  transform: translateX(4px);
}
.mbx-contact {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.mbx-contact__row {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 10px;
  font-size: 14px;
}
.mbx-contact__k {
  padding-top: 3px;
  font-family: var(--mbx-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mbx-mute);
}
.mbx-contact__v {
  color: var(--mbx-fog);
  word-break: break-word;
}
.mbx-contact__note {
  margin: 0 0 18px;
  padding-left: 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mbx-mute);
  border-left: 2px solid rgba(245, 184, 75, 0.5);
}
.mbx-footer__legal {
  max-width: var(--mbx-max);
  margin: clamp(32px, 4vw, 56px) auto 0;
  padding: 18px var(--mbx-gutter) 26px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  border-top: 1px solid var(--mbx-line);
}
.mbx-footer__icp {
  margin: 0;
  font-family: var(--mbx-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--mbx-mute);
}
.mbx-footer__legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.mbx-footer__legal-link {
  font-size: 12px;
  text-decoration: none;
  color: var(--mbx-mute);
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.mbx-footer__legal-link:hover {
  color: var(--mbx-cyan);
  border-bottom-color: var(--mbx-cyan);
}

/* ---------- 显现（data-reveal 协议） ---------- */
[data-reveal] {
  transition: opacity 0.5s var(--mbx-ease), transform 0.5s var(--mbx-ease);
}
[data-reveal].is-armed {
  opacity: 0;
  transform: translateY(16px);
}
[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .mbx-grid--halves { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mbx-footer__inner { grid-template-columns: 1.2fr 1fr; }
}
@media (min-width: 900px) {
  .mbx-grid--thirds { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .mbx-grid--split { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
}
@media (min-width: 720px) and (max-width: 1039px) {
  .mbx-footer__contact { grid-column: 1 / -1; }
}
@media (min-width: 1040px) {
  .mbx-footer__inner { grid-template-columns: 1.5fr 0.8fr 1.1fr; }
}

@media (max-width: 1180px) {
  .mbx-nav__link { padding: 9px 11px; font-size: 13.5px; }
  .mbx-tools__cert { display: none; }
}

@media (max-width: 1024px) {
  .mbx-tools__toggle { display: inline-flex; }
  .mbx-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    display: block;
    flex: none;
    justify-content: flex-start;
    z-index: 6;
    padding: 12px;
    max-height: min(72vh, 540px);
    overflow: auto;
    background: rgba(15, 19, 25, 0.97);
    border: 1px solid var(--mbx-line);
    clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
    box-shadow: 0 30px 60px -26px rgba(0, 0, 0, 0.95);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity 0.2s var(--mbx-ease), transform 0.2s var(--mbx-ease), visibility 0.2s linear;
  }
  .mbx-nav[data-open="true"] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }
  .mbx-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 0;
    background: none;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
  .mbx-nav__link {
    padding: 13px 14px;
    font-size: 15px;
    border-radius: 6px;
    border-left: 2px solid transparent;
  }
  .mbx-nav__link:hover {
    background: rgba(53, 224, 224, 0.08);
    border-left-color: var(--mbx-cyan);
  }
  .mbx-nav__link[aria-current="page"] {
    background: linear-gradient(90deg, rgba(179, 32, 52, 0.9), rgba(122, 14, 30, 0.24));
    border-left-color: var(--mbx-amber);
    box-shadow: none;
  }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .mbx-header { padding-top: 10px; }
  .mbx-brand { padding: 8px 14px 8px 10px; gap: 9px; }
  .mbx-brand__glyph { padding-right: 8px; font-size: 11px; }
  .mbx-brand__name { font-size: 13.5px; }
  .mbx-brand__meta { display: none; }
  .mbx-tools__search { padding: 9px 12px; font-size: 12.5px; }
  .mbx-tools__toggle { padding: 10px 12px; }
  .mbx-tools__label { display: none; }
  .mbx-footer__legal { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 400px) {
  .mbx-brand__glyph { display: none; }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  [data-reveal],
  [data-reveal].is-armed {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .mbx-panel:hover,
  .mbx-path__step:hover,
  .mbx-brand:hover,
  .mbx-btn:hover { transform: none; }
}