/* =========================================================
   诺亚体育 · site.css
   高原夜色蓝 × 雪山银白 × 赛博青柠绿
   ========================================================= */

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

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

body {
  min-height: 100vh;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  font-weight: 400;
  background: var(--nuoya-night);
  color: var(--nuoya-snow);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

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

ul, ol {
  list-style: none;
}

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

/* ---------- 2. 设计变量 ---------- */
:root {
  --nuoya-night: #0B1B3D;
  --nuoya-midnight: #0E2045;
  --nuoya-snow: #F0F4F8;
  --nuoya-lime: #B4FF39;
  --nuoya-orange: #FF5E3A;
  --nuoya-fog: #B8C6D4;
  --nuoya-data: #3D7BFF;
  --nuoya-ocher: #A85C4A;

  --nuoya-font-head: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --nuoya-font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --nuoya-font-mono: "JetBrains Mono", "Roboto Mono", "SFMono-Regular", Consolas, monospace;

  --nuoya-rail-w: 96px;
  --nuoya-header-h: 72px;
  --nuoya-header-h-mobile: 60px;
  --nuoya-container: 1280px;
  --nuoya-gutter: clamp(1.25rem, 4vw, 3rem);

  --nuoya-ease: cubic-bezier(.25, .8, .25, 1);
  --nuoya-fast: .18s;
  --nuoya-med: .3s;
}

/* ---------- 3. 中文排版基础 ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--nuoya-font-head);
  line-height: 1.18;
  letter-spacing: -0.02em;
  transform: skew(-6deg);
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 900;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
}

h3 {
  font-size: clamp(1.2rem, 2.4vw, 1.6rem);
  font-weight: 700;
}

h4 {
  font-size: 1.1rem;
  font-weight: 700;
}

p {
  text-wrap: pretty;
}

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

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

/* ---------- 4. 工具类 ---------- */
.no-scroll {
  overflow: hidden;
  height: 100vh;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 5. 布局容器 ---------- */
.nuoya-container {
  width: 100%;
  max-width: var(--nuoya-container);
  margin: 0 auto;
  padding-left: var(--nuoya-gutter);
  padding-right: var(--nuoya-gutter);
}

.nuoya-section {
  position: relative;
  padding-top: clamp(4rem, 8vw, 7rem);
  padding-bottom: clamp(4rem, 8vw, 7rem);
}

.nuoya-diamond-bg {
  background-image:
    linear-gradient(30deg, rgba(61, 123, 255, .05) 1px, transparent 1px),
    linear-gradient(-30deg, rgba(61, 123, 255, .05) 1px, transparent 1px);
  background-size: 32px 32px;
}

#main-content {
  scroll-margin-top: calc(var(--nuoya-header-h) + .5rem);
  outline: none;
}

/* 正文链接 */
#main-content a {
  color: var(--nuoya-snow);
  text-decoration: underline;
  text-decoration-color: rgba(180, 255, 57, .35);
  text-underline-offset: 4px;
  text-decoration-thickness: .5px;
  transition: color .2s, text-decoration-color .2s;
}

#main-content a:hover {
  color: var(--nuoya-lime);
  text-decoration-color: var(--nuoya-lime);
}

#main-content a.nuoya-btn,
#main-content a.nuoya-tag,
#main-content a.nuoya-card-link {
  text-decoration: none;
}

/* ---------- 6. 按钮 ---------- */
.nuoya-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6em;
  padding: .8em 1.8em;
  font-family: var(--nuoya-font-body);
  font-weight: 600;
  font-size: .95rem;
  line-height: 1;
  letter-spacing: .1em;
  border: 1px solid var(--nuoya-lime);
  color: var(--nuoya-lime);
  background: transparent;
  clip-path: polygon(0 0, calc(100% - .5em) 0, 100% .5em, 100% 100%, .5em 100%, 0 calc(100% - .5em));
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: background .25s, color .25s, box-shadow .25s, transform .25s;
}

.nuoya-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -50%;
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .35), transparent);
  transform: skewX(-20deg);
  transition: left .4s ease;
}

.nuoya-btn:hover {
  background: var(--nuoya-lime);
  color: var(--nuoya-night);
  box-shadow: 0 0 30px rgba(180, 255, 57, .35);
}

.nuoya-btn:hover::before {
  left: 120%;
}

.nuoya-btn-primary {
  background: var(--nuoya-lime);
  color: var(--nuoya-night);
}

.nuoya-btn-primary::before {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .5), transparent);
}

.nuoya-btn-ghost {
  border-color: var(--nuoya-fog);
  color: var(--nuoya-snow);
}

.nuoya-btn-ghost:hover {
  border-color: var(--nuoya-snow);
  background: rgba(240, 244, 248, .08);
  color: var(--nuoya-snow);
  box-shadow: none;
}

.nuoya-btn-sm {
  padding: .55em 1.2em;
  font-size: .82rem;
}

.nuoya-btn-lg {
  padding: 1em 2.2em;
  font-size: 1.05rem;
}

/* ---------- 7. 标签 ---------- */
.nuoya-tag {
  display: inline-flex;
  align-items: center;
  gap: .3em;
  padding: .35em .8em;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  border: 1px solid rgba(176, 198, 212, .3);
  color: var(--nuoya-fog);
  background: transparent;
  clip-path: polygon(0 0, calc(100% - .4em) 0, 100% .4em, 100% 100%, .4em 100%, 0 calc(100% - .4em));
  transition: color .2s, border-color .2s, background .2s;
}

.nuoya-tag:hover {
  color: var(--nuoya-lime);
  border-color: var(--nuoya-lime);
}

.nuoya-tag-hot {
  color: var(--nuoya-orange);
  border-color: rgba(255, 94, 58, .5);
}

.nuoya-tag-hot::before {
  content: '●';
  font-size: .6em;
  color: var(--nuoya-orange);
}

/* ---------- 8. 卡片 / 战报速览 ---------- */
.nuoya-card {
  position: relative;
  background: var(--nuoya-midnight);
  border-left: 3px solid transparent;
  padding: 1.75rem;
  clip-path: polygon(0 0, calc(100% - 1rem) 0, 100% 1rem, 100% 100%, 1rem 100%, 0 calc(100% - 1rem));
  transition: border-color .25s, transform .25s, box-shadow .25s;
}

.nuoya-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--nuoya-lime), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--nuoya-ease);
}

.nuoya-card:hover {
  border-left-color: var(--nuoya-lime);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, .35);
}

.nuoya-card:hover::after {
  transform: scaleX(1);
}

.nuoya-card-link {
  text-decoration: none !important;
}

.nuoya-glance {
  position: relative;
  background: var(--nuoya-midnight);
  border-left: 3px solid var(--nuoya-lime);
  padding: 1.5rem;
  clip-path: polygon(0 0, calc(100% - 1rem) 0, 100% 1rem, 100% 100%, 1rem 100%, 0 calc(100% - 1rem));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .04);
}

.nuoya-data-num {
  font-family: var(--nuoya-font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--nuoya-lime);
}

/* ---------- 9. 折叠面板 ---------- */
.nuoya-panel {
  background: var(--nuoya-midnight);
  border-left: 3px solid rgba(180, 255, 57, .25);
  margin-bottom: .5rem;
  clip-path: polygon(0 0, calc(100% - .6rem) 0, 100% .6rem, 100% 100%, .6rem 100%, 0 calc(100% - .6rem));
}

.nuoya-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  padding: 1.1rem 1.35rem;
  background: none;
  border: none;
  text-align: left;
  color: var(--nuoya-snow);
  font-family: var(--nuoya-font-head);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: .02em;
  cursor: pointer;
  transition: color .2s;
}

.nuoya-panel-head:hover {
  color: var(--nuoya-lime);
}

.nuoya-panel-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  position: relative;
}

.nuoya-panel-icon::before,
.nuoya-panel-icon::after {
  content: '';
  position: absolute;
  background: var(--nuoya-lime);
  transition: transform .2s var(--nuoya-ease);
}

.nuoya-panel-icon::before {
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  transform: translateY(-50%);
}

.nuoya-panel-icon::after {
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-50%);
}

.nuoya-panel[data-state="open"] .nuoya-panel-icon::after {
  transform: translateX(-50%) scaleY(0);
}

.nuoya-panel-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .2s ease-out;
  color: var(--nuoya-fog);
  font-size: .92rem;
  line-height: 1.7;
}

.nuoya-panel[data-state="open"] .nuoya-panel-body {
  grid-template-rows: 1fr;
}

.nuoya-panel-body > div {
  overflow: hidden;
  padding: 0 1.35rem 1.2rem;
}

/* ---------- 10. 图片容器 ---------- */
.nuoya-img {
  position: relative;
  overflow: hidden;
  background: var(--nuoya-midnight);
  clip-path: polygon(0 0, calc(100% - .75rem) 0, 100% .75rem, 100% 100%, .75rem 100%, 0 calc(100% - .75rem));
}

.nuoya-img > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .6s var(--nuoya-ease), filter .6s;
}

.nuoya-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11, 27, 61, .25) 0%, transparent 55%);
  pointer-events: none;
}

.nuoya-img:hover > img {
  transform: scale(1.04);
}

.nuoya-img-vr { aspect-ratio: 16 / 10; }
.nuoya-img-card { aspect-ratio: 4 / 3; }
.nuoya-img-sq { aspect-ratio: 1 / 1; }
.nuoya-img-wide { aspect-ratio: 21 / 9; }

/* ---------- 11. 装饰件 ---------- */
.nuoya-scanline {
  position: relative;
  height: 40px;
  overflow: hidden;
}

.nuoya-scanline::before {
  content: '';
  position: absolute;
  top: 0;
  left: -20%;
  width: 40%;
  height: 2px;
  background: var(--nuoya-lime);
  opacity: .8;
  animation: scan-move 3.2s linear infinite;
}

@keyframes scan-move {
  from { left: -20%; }
  to { left: 120%; }
}

.nuoya-divider {
  height: 2px;
  border: none;
  background: linear-gradient(90deg, var(--nuoya-lime) 0%, rgba(61, 123, 255, .4) 50%, transparent 80%);
  transform: skew(-6deg);
  margin: clamp(2rem, 5vw, 4rem) auto;
}

/* ---------- 12. Skip Link ---------- */
.skip-link {
  position: fixed;
  top: -100px;
  left: calc(var(--nuoya-rail-w) + 1rem);
  z-index: 2000;
  padding: .75em 1.5em;
  background: var(--nuoya-lime);
  color: var(--nuoya-night);
  font-weight: 700;
  text-decoration: none !important;
  transform: skew(-6deg);
  box-shadow: 0 4px 20px rgba(180, 255, 57, .35);
  transition: top .2s var(--nuoya-ease);
}

.skip-link:focus {
  top: 1rem;
}

/* ---------- 13. 左侧固定图标栏 ---------- */
.nuoya-rail {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--nuoya-rail-w);
  z-index: 1050;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.25rem .5rem 1.5rem;
  background: linear-gradient(180deg, #0D2042 0%, #091732 100%);
  border-right: 1px solid rgba(176, 198, 212, .1);
}

.nuoya-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--nuoya-lime) 0%, #D9FF8C 100%);
  border-radius: 8px;
  transform: rotate(45deg);
  box-shadow: 0 4px 24px rgba(180, 255, 57, .35);
}

.brand-mark span {
  display: block;
  font: 900 1.35rem/1 var(--nuoya-font-head);
  color: var(--nuoya-night);
  transform: rotate(-45deg);
}

.brand-cn {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: var(--nuoya-font-head);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .25em;
  color: var(--nuoya-fog);
  margin-top: .5rem;
}

.rail-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: .25rem;
  width: 100%;
  padding-top: 2.5rem;
}

.rail-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .2rem;
  padding: .7rem .25rem .55rem;
  color: var(--nuoya-fog);
  border-radius: 2px;
  position: relative;
  transition: color .2s, background .2s;
}

.rail-link:hover {
  color: var(--nuoya-lime);
  background: rgba(180, 255, 57, .06);
}

.rail-index {
  font-family: var(--nuoya-font-mono);
  font-size: .62rem;
  letter-spacing: .08em;
  opacity: .7;
  line-height: 1;
}

.rail-text {
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .05em;
  line-height: 1.2;
}

.rail-link[aria-current="page"] {
  color: var(--nuoya-snow);
}

.rail-link[aria-current="page"] .rail-index {
  color: var(--nuoya-lime);
  opacity: 1;
}

.rail-link[aria-current="page"]::after {
  content: '';
  position: absolute;
  left: 0;
  top: 18%;
  bottom: 18%;
  width: 3px;
  background: var(--nuoya-lime);
  border-radius: 0 3px 3px 0;
  box-shadow: 0 0 12px rgba(180, 255, 57, .6);
}

/* ---------- 14. 顶部导航区 ---------- */
.nuoya-header {
  position: fixed;
  top: 0;
  left: var(--nuoya-rail-w);
  right: 0;
  height: var(--nuoya-header-h);
  z-index: 1000;
  background: transparent;
  pointer-events: none;
  transition: background .16s ease, box-shadow .16s ease;
}

.nuoya-header[data-scrolled="true"] {
  background: rgba(11, 27, 61, .86);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(176, 198, 212, .1), 0 8px 40px rgba(0, 0, 0, .25);
}

.nuoya-topbar {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1rem, 3vw, 2rem);
  pointer-events: auto;
  position: relative;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: .75rem;
  min-width: 0;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* 移动端品牌标记（默认隐藏，移动显示） */
.mobile-brand {
  display: none;
  align-items: center;
  margin-right: .25rem;
}

.mobile-brand-mark {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  background: var(--nuoya-lime);
  border-radius: 4px;
  transform: rotate(45deg);
  box-shadow: 0 0 12px rgba(180, 255, 57, .3);
}

.mobile-brand-mark span {
  display: block;
  transform: rotate(-45deg);
  font: 900 .78rem/1 var(--nuoya-font-head);
  color: var(--nuoya-night);
}

/* ---------- 15. 面包屑 ---------- */
.nuoya-breadcrumb {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: .82rem;
  color: var(--nuoya-fog);
  white-space: nowrap;
  overflow: hidden;
}

.crumb-link {
  color: var(--nuoya-fog);
  transition: color .2s;
}

.crumb-link:hover {
  color: var(--nuoya-lime);
}

.crumb-current {
  color: var(--nuoya-snow);
  font-weight: 600;
}

.crumb-sep {
  color: var(--nuoya-fog);
  opacity: .5;
  font-family: var(--nuoya-font-mono);
}

/* ---------- 16. 信号强度 ---------- */
.topbar-signal {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .72rem;
  color: var(--nuoya-fog);
  letter-spacing: .08em;
  white-space: nowrap;
}

.signal-icon {
  display: inline-flex;
  align-items: flex-end;
  gap: 2px;
  height: 14px;
  padding: 1px;
}

.sig-bar {
  display: block;
  width: 3px;
  border-radius: 1px;
  background: var(--nuoya-lime);
  box-shadow: 0 0 6px rgba(180, 255, 57, .4);
}

.sig-a { height: 5px; opacity: .4; }
.sig-b { height: 9px; opacity: .75; }
.sig-c { height: 13px; opacity: 1; }

/* ---------- 17. 导航开关 ---------- */
.nav-toggle {
  display: none;
  align-items: center;
  gap: .45rem;
  padding: .55rem .85rem;
  color: var(--nuoya-snow);
  background: rgba(11, 27, 61, .6);
  border: 1px solid rgba(176, 198, 212, .18);
  border-radius: 4px;
  font-size: .82rem;
  font-weight: 500;
  transition: border-color .2s, color .2s;
}

.nav-toggle:hover {
  border-color: var(--nuoya-lime);
  color: var(--nuoya-lime);
}

.toggle-ham {
  display: inline-flex;
  flex-direction: column;
  gap: 3px;
}

.ham-line {
  width: 16px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
}

/* ---------- 18. 滚动进度条 ---------- */
.nuoya-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: rgba(176, 198, 212, .12);
  overflow: hidden;
  pointer-events: auto;
}

.progress-fill {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--nuoya-data), var(--nuoya-lime) 70%, var(--nuoya-lime));
  transition: width .1s linear;
}

/* ---------- 19. 移动端抽屉 ---------- */
@media (max-width: 768px) {
  .nuoya-drawer {
    display: flex;
    visibility: hidden;
    transform: translateY(-100%);
    transition: transform .3s var(--nuoya-ease), visibility .3s;
  }

  .nuoya-drawer[data-open] {
    visibility: visible;
    transform: translateY(0);
  }
}

@media (min-width: 769px) {
  .nuoya-drawer {
    display: none;
  }
}

.nuoya-drawer {
  position: fixed;
  inset: 0;
  z-index: 1200;
  flex-direction: column;
  background: var(--nuoya-night);
  overflow-y: auto;
}

.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem clamp(1.25rem, 4vw, 2rem);
  border-bottom: 1px solid rgba(176, 198, 212, .12);
  min-height: 60px;
  flex-shrink: 0;
}

.drawer-brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--nuoya-font-head);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: .05em;
  color: var(--nuoya-snow);
}

.drawer-mark {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  background: var(--nuoya-lime);
  border-radius: 4px;
  transform: rotate(45deg);
  box-shadow: 0 0 14px rgba(180, 255, 57, .3);
}

.drawer-mark span {
  display: block;
  transform: rotate(-45deg);
  font: 900 .85rem/1 var(--nuoya-font-head);
  color: var(--nuoya-night);
}

.drawer-close {
  font-size: 1.5rem;
  color: var(--nuoya-fog);
  padding: .25rem .5rem;
  line-height: 1;
  transition: color .2s, transform .2s;
}

.drawer-close:hover {
  color: var(--nuoya-lime);
  transform: rotate(90deg);
}

.drawer-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 2rem clamp(1.25rem, 4vw, 2rem);
  gap: .5rem;
}

.drawer-link {
  display: grid;
  grid-template-columns: 3rem 1fr auto;
  align-items: center;
  padding: 1rem .75rem;
  border-bottom: 1px solid rgba(176, 198, 212, .08);
  font-family: var(--nuoya-font-head);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: .04em;
  color: var(--nuoya-snow);
  transition: color .2s, padding-left .2s, border-color .2s;
}

.drawer-link:hover {
  color: var(--nuoya-lime);
  padding-left: 1.25rem;
  border-bottom-color: rgba(180, 255, 57, .2);
}

.drawer-index {
  font-family: var(--nuoya-font-mono);
  font-size: .72rem;
  color: var(--nuoya-fog);
  letter-spacing: .08em;
}

.drawer-arrow {
  color: var(--nuoya-lime);
  font-size: 1rem;
  opacity: 0;
  transition: opacity .2s, transform .2s;
}

.drawer-link:hover .drawer-arrow {
  opacity: 1;
  transform: translateX(4px);
}

.drawer-link[aria-current="page"] {
  color: var(--nuoya-lime);
}

.drawer-link[aria-current="page"] .drawer-index {
  color: var(--nuoya-lime);
}

.drawer-foot {
  padding: 1.5rem clamp(1.25rem, 4vw, 2rem);
  border-top: 1px solid rgba(176, 198, 212, .1);
  flex-shrink: 0;
}

.drawer-footline {
  font-size: .78rem;
  color: var(--nuoya-fog);
  letter-spacing: .05em;
  line-height: 1.7;
}

/* ---------- 20. 页脚 ---------- */
.nuoya-footer {
  position: relative;
  background: var(--nuoya-midnight);
  border-top: 1px solid rgba(176, 198, 212, .1);
  overflow: hidden;
}

.nuoya-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--nuoya-lime) 0%, var(--nuoya-data) 60%, transparent 100%);
  transform: skew(-6deg);
  transform-origin: left;
}

.nuoya-footer-inner {
  max-width: var(--nuoya-container);
  margin: 0 auto;
  padding: 4rem var(--nuoya-gutter) 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 5fr 3fr 4fr;
  gap: clamp(2rem, 4vw, 4rem);
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-width: 0;
}

.footer-col-brand {
  gap: .9rem;
}

.footer-brandlink {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  font-family: var(--nuoya-font-head);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: .04em;
  color: var(--nuoya-snow);
  text-decoration: none;
}

.footer-brandmark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  background: var(--nuoya-lime);
  border-radius: 4px;
  transform: rotate(45deg);
  box-shadow: 0 0 16px rgba(180, 255, 57, .25);
  flex-shrink: 0;
}

.footer-brandmark span {
  display: block;
  transform: rotate(-45deg);
  font: 900 .9rem/1 var(--nuoya-font-head);
  color: var(--nuoya-night);
}

.footer-slogan {
  font-family: var(--nuoya-font-head);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--nuoya-lime);
  letter-spacing: .06em;
  transform: skew(-6deg);
}

.footer-desc {
  font-size: .88rem;
  color: var(--nuoya-fog);
  line-height: 1.7;
  max-width: 38ch;
}

.footer-icp {
  font-size: .78rem;
  color: var(--nuoya-fog);
  opacity: .7;
  letter-spacing: .05em;
}

.footer-title {
  font-family: var(--nuoya-font-head);
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--nuoya-snow);
  margin-bottom: .25rem;
  position: relative;
}

.footer-title::after {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: var(--nuoya-lime);
  margin-top: .5rem;
  transform: skew(-24deg);
}

.footer-linklist {
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: .5rem 1.5rem;
}

.footer-linklist a {
  font-size: .88rem;
  color: var(--nuoya-fog);
  transition: color .2s, padding-left .2s;
}

.footer-linklist a:hover {
  color: var(--nuoya-lime);
  padding-left: .25rem;
}

.footer-contact-item {
  font-size: .88rem;
  color: var(--nuoya-fog);
  line-height: 1.7;
  margin: 0;
}

.footer-contact-addr {
  font-size: .88rem;
  color: var(--nuoya-fog);
  line-height: 1.6;
}

.footer-contact-note {
  font-size: .78rem;
  color: var(--nuoya-fog);
  opacity: .8;
  line-height: 1.7;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: .75rem;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(176, 198, 212, .1);
  font-size: .8rem;
  color: var(--nuoya-fog);
}

.footer-station {
  letter-spacing: .08em;
}

.footer-copy {
  letter-spacing: .04em;
}

/* ---------- 21. 复制按钮 ---------- */
.copy-btn {
  display: inline;
  background: none;
  border: none;
  border-bottom: 1px dashed rgba(176, 198, 212, .4);
  padding: 0 0 2px;
  color: var(--nuoya-fog);
  font: inherit;
  line-height: inherit;
  cursor: copy;
  transition: color .2s, border-color .2s;
}

.copy-btn:hover {
  color: var(--nuoya-lime);
  border-bottom-color: var(--nuoya-lime);
}

.copy-btn.copied {
  color: var(--nuoya-lime);
}

.copy-btn.copied::after {
  content: '已复制';
  display: inline-block;
  margin-left: .4em;
  padding: .05em .4em;
  font-size: .72em;
  letter-spacing: .04em;
  border: 1px solid var(--nuoya-lime);
  background: var(--nuoya-night);
  border-radius: 2px;
  vertical-align: 1px;
}

/* ---------- 22. 响应式 ---------- */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-col-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .nuoya-rail {
    display: none;
  }

  .nuoya-header {
    left: 0;
    height: var(--nuoya-header-h-mobile);
  }

  .mobile-brand {
    display: inline-flex;
  }

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

  #main-content {
    scroll-margin-top: calc(var(--nuoya-header-h-mobile) + .5rem);
  }

  .skip-link {
    left: 1rem;
  }
}

@media (max-width: 560px) {
  .signal-text {
    display: none;
  }

  .nuoya-breadcrumb .crumb-link,
  .nuoya-breadcrumb .crumb-sep {
    display: none;
  }

  .nuoya-breadcrumb .crumb-current {
    font-size: .78rem;
  }

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

  .footer-col-brand {
    grid-column: auto;
  }

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

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

/* ---------- 23. 参考行动态减弱 ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }

  .skip-link {
    transition: none;
  }

  .nuoya-scanline::before {
    animation: none;
  }

  .progress-fill {
    transition: none;
  }

  .nuoya-drawer,
  .nuoya-header,
  .nuoya-panel-body {
    transition: none !important;
  }

  .nuoya-btn:hover,
  .nuoya-card:hover {
    transform: none;
  }
}