/* =========================================================
   球王会体育主站 · 共享样式表 /assets/site.css
   深空底 / 荧光青 / 暖橙 / 绛红 / 雪白
   ========================================================= */

/* ---------- 变量 ---------- */
:root {
  --qw-deep: #050B1F;
  --qw-panel: #0B1738;
  --qw-card: #12244F;
  --qw-border: #1E3A6E;
  --qw-cyan: #22E0D6;
  --qw-cyan-soft: #4DF3E4;
  --qw-amber: #FF8A3D;
  --qw-snow: #F5F8FF;
  --qw-mist: #9FB3D9;
  --qw-crimson: #C2314A;

  --qw-font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --qw-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;

  --qw-w: 1200px;
  --qw-pad: 20px;
  --qw-gap-xs: .35rem;
  --qw-gap-s: .75rem;
  --qw-gap-m: 1.25rem;
  --qw-gap-l: 2rem;
  --qw-gap-xl: 3.5rem;
  --qw-gap-2xl: 6rem;

  --qw-radius: 14px;
  --qw-radius-s: 8px;
  --qw-glow: 0 0 12px rgba(34, 224, 214, .55);
  --qw-shadow: 0 18px 42px -26px rgba(0, 0, 0, .95);
  --qw-header-h: 62px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, h5, p, ul, ol, figure, blockquote, dl, dd, pre { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, h5 { font-size: inherit; font-weight: inherit; line-height: 1.25; }
table { border-collapse: collapse; width: 100%; }
input, select, textarea { font: inherit; color: inherit; }
hr { border: 0; height: 1px; background: var(--qw-border); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* ---------- 基础排版 ---------- */
body {
  background-color: var(--qw-deep);
  background-image:
    radial-gradient(900px 620px at 84% -8%, rgba(34, 224, 214, .10), transparent 70%),
    radial-gradient(760px 540px at 4% 24%, rgba(194, 49, 74, .10), transparent 72%),
    radial-gradient(1100px 720px at 50% 118%, rgba(255, 138, 61, .07), transparent 72%);
  background-attachment: fixed;
  color: var(--qw-snow);
  font-family: var(--qw-font);
  font-size: 17px;
  line-height: 1.85;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  min-height: 100%;
}

#main-content { scroll-margin-top: 110px; }

::selection { background: rgba(34, 224, 214, .32); color: var(--qw-snow); }

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

/* ---------- 容器 ---------- */
.qw-container {
  width: 100%;
  max-width: var(--qw-w);
  margin-inline: auto;
  padding-inline: var(--qw-pad);
}
@media (min-width: 768px) { :root { --qw-pad: 32px; } }
@media (min-width: 1200px) { :root { --qw-pad: 40px; } }

/* ---------- 跳转链接 ---------- */
.qw-skip {
  position: fixed;
  left: 50%;
  top: 0;
  transform: translate(-50%, -150%);
  z-index: 300;
  background: var(--qw-amber);
  color: #180B02;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  padding: .62rem 1.2rem;
  border-radius: 0 0 10px 10px;
  transition: transform .22s ease;
}
.qw-skip:focus { transform: translate(-50%, 0); }

/* =========================================================
   头部
   ========================================================= */
.qw-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(5, 11, 31, .88);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--qw-border);
}

/* 上层：品牌说明 + 快捷索引 + 行动按钮 */
.qw-header__upper {
  border-bottom: 1px solid rgba(30, 58, 110, .6);
  background: linear-gradient(90deg, rgba(11, 23, 56, .85), rgba(5, 11, 31, .5));
  overflow: hidden;
}

.qw-header__upper-inner {
  display: flex;
  align-items: center;
  gap: var(--qw-gap-m);
  min-height: 44px;
  padding-block: 8px;
}

.qw-brand__sub {
  flex: 0 1 auto;
  min-width: 0;
  overflow: hidden;
  max-height: 26px;
  font-size: 13px;
  line-height: 1.5;
  letter-spacing: .04em;
  color: var(--qw-mist);
  white-space: nowrap;
  text-overflow: ellipsis;
  transition: max-height .3s ease, opacity .3s ease, visibility .3s ease;
}

.qw-quick {
  display: none;
}

.qw-quick__item {
  display: inline-block;
  font-size: 13px;
  line-height: 1;
  padding: .42rem .78rem;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--qw-mist);
  white-space: nowrap;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}
.qw-quick__item:hover {
  color: var(--qw-cyan);
  border-color: rgba(34, 224, 214, .45);
  background: rgba(34, 224, 214, .07);
}

.qw-header__cta {
  margin-inline-start: auto;
  flex: 0 0 auto;
  font-size: 13px;
  padding: .46rem .95rem;
}

@media (min-width: 1080px) {
  .qw-quick {
    display: flex;
    align-items: center;
    gap: .25rem;
    margin-inline-start: auto;
    max-height: 40px;
    overflow: hidden;
    transition: max-height .3s ease, opacity .3s ease, visibility .3s ease;
  }
  .qw-header__cta { margin-inline-start: var(--qw-gap-s); }
}

/* 滚动收缩态 */
.qw-header[data-condensed] .qw-brand__sub,
.qw-header[data-condensed] .qw-quick {
  max-height: 0;
  opacity: 0;
  visibility: hidden;
}
.qw-header[data-condensed] .qw-header__upper-inner { padding-block: 0; }

/* 下层：品牌 + 导航 */
.qw-header__lower { position: relative; }

.qw-header__lower-inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--qw-gap-s);
  min-height: var(--qw-header-h);
}

/* 品牌 */
.qw-brand {
  display: inline-flex;
  align-items: center;
  gap: .58rem;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--qw-snow);
  white-space: nowrap;
  flex: 0 0 auto;
}

.qw-brand__mark {
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  border-radius: 4px;
  transform: rotate(15deg);
  background: linear-gradient(150deg, var(--qw-cyan) 0 46%, transparent 46% 54%, var(--qw-amber) 54% 100%);
  box-shadow: 0 0 14px rgba(34, 224, 214, .38);
}

.qw-brand__main { display: inline-block; }

/* 新赛季标记 */
.qw-badge {
  display: inline-flex;
  align-items: center;
  gap: .38rem;
  margin-inline-start: auto;
  font-family: var(--qw-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--qw-amber);
  border: 1px solid rgba(255, 138, 61, .42);
  background: rgba(255, 138, 61, .08);
  padding: 3px 10px;
  border-radius: 999px;
  white-space: nowrap;
}
.qw-badge::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--qw-amber);
  box-shadow: 0 0 8px var(--qw-amber);
}
@media (max-width: 719px) { .qw-badge { display: none; } }

/* 导航 */
.qw-nav { margin-inline-start: auto; }

.qw-nav__list {
  display: flex;
  align-items: center;
  gap: .15rem;
}

.qw-nav__link {
  position: relative;
  display: block;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  padding: .62rem .82rem;
  border-radius: var(--qw-radius-s);
  color: var(--qw-mist);
  white-space: nowrap;
  transition: color .2s ease, background-color .2s ease;
}
.qw-nav__link::after {
  content: "";
  position: absolute;
  left: .82rem;
  right: .82rem;
  bottom: .34rem;
  height: 2px;
  border-radius: 2px;
  background: var(--qw-cyan);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform .26s ease;
}
.qw-nav__link:hover {
  color: var(--qw-snow);
  background: rgba(18, 36, 79, .7);
}
.qw-nav__link:hover::after { transform: scaleX(.5); }

.qw-nav__link[aria-current="page"] {
  color: var(--qw-cyan);
  background: rgba(34, 224, 214, .09);
}
.qw-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
  box-shadow: 0 0 10px rgba(34, 224, 214, .7);
}

/* 移动导航按钮 */
.qw-nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-inline-start: auto;
  font-size: 14px;
  font-weight: 700;
  color: var(--qw-snow);
  border: 1px solid var(--qw-border);
  border-radius: 999px;
  padding: .5rem .9rem;
  transition: border-color .2s ease, color .2s ease, background-color .2s ease;
}
.qw-nav-toggle:hover { border-color: var(--qw-cyan); color: var(--qw-cyan); }

.qw-nav-toggle__bars {
  position: relative;
  width: 16px;
  height: 12px;
  flex: 0 0 auto;
}
.qw-nav-toggle__bars::before,
.qw-nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform .25s ease, opacity .25s ease, top .25s ease;
}
.qw-nav-toggle__bars::before { top: 0; }
.qw-nav-toggle__bars::after { top: 10px; }

.qw-nav-toggle[aria-expanded="true"] {
  border-color: var(--qw-cyan);
  color: var(--qw-cyan);
  background: rgba(34, 224, 214, .09);
}
.qw-nav-toggle[aria-expanded="true"] .qw-nav-toggle__bars::before { top: 5px; transform: rotate(45deg); }
.qw-nav-toggle[aria-expanded="true"] .qw-nav-toggle__bars::after { top: 5px; transform: rotate(-45deg); }

@media (min-width: 901px) {
  .qw-nav-toggle { display: none; }
  .qw-badge { margin-inline-start: var(--qw-gap-s); }
}

/* 移动 / 平板折叠态 */
@media (max-width: 900px) {
  .qw-header__lower-inner { min-height: 58px; }

  .qw-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    margin-inline-start: 0;
    background: rgba(5, 11, 31, .98);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--qw-border);
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    transition: max-height .34s ease, visibility .34s ease;
  }
  .qw-nav[data-open] {
    max-height: 78vh;
    overflow-y: auto;
    visibility: visible;
    box-shadow: 0 24px 48px -30px #000;
  }

  .qw-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: .65rem var(--qw-pad) 1.1rem;
  }
  .qw-nav__list > li + li { border-top: 1px solid rgba(30, 58, 110, .55); }

  .qw-nav__link {
    font-size: 16px;
    padding: .95rem .25rem;
    border-radius: 0;
  }
  .qw-nav__link::after {
    left: 0;
    right: auto;
    width: 22px;
    bottom: .6rem;
  }
  .qw-nav__link:hover::after { transform: scaleX(1); }
}

/* 滚动进度条 */
.qw-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--qw-cyan), var(--qw-amber));
  transform: scaleX(0);
  transform-origin: 0 50%;
  pointer-events: none;
  will-change: transform;
}

/* =========================================================
   按钮
   ========================================================= */
.qw-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1.2;
  padding: .68rem 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .2s ease, background-color .2s ease, color .2s ease, border-color .2s ease;
}
.qw-btn:hover { transform: translateY(-2px); }
.qw-btn:active { transform: translateY(0); }

.qw-btn--amber { background: var(--qw-amber); color: #180B02; }
.qw-btn--amber:hover { background: #FFA366; }

.qw-btn--cyan { background: var(--qw-cyan); color: #04211F; }
.qw-btn--cyan:hover { background: var(--qw-cyan-soft); }

.qw-btn--ghost {
  background: transparent;
  border-color: var(--qw-border);
  color: var(--qw-snow);
}
.qw-btn--ghost:hover {
  border-color: var(--qw-cyan);
  color: var(--qw-cyan);
  background: rgba(34, 224, 214, .08);
}

/* =========================================================
   章节三件套
   ========================================================= */
.qw-section { padding-block: clamp(2.75rem, 7vw, 5.5rem); }

.qw-section__label {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--qw-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--qw-mist);
}
.qw-section__label::before {
  content: "";
  width: 28px;
  height: 2px;
  flex: 0 0 auto;
  background: var(--qw-crimson);
}

.qw-section__title {
  margin-top: .65rem;
  font-size: clamp(1.6rem, 4.2vw, 2.45rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -.015em;
  color: var(--qw-snow);
}

.qw-display {
  margin: 0;
  font-size: clamp(2.4rem, 8.5vw, 5.2rem);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -.035em;
  color: var(--qw-snow);
}

.qw-lead {
  font-size: clamp(1.02rem, 2.1vw, 1.2rem);
  line-height: 1.8;
  color: var(--qw-snow);
  max-width: 46ch;
}

/* =========================================================
   面板 / 玻璃 / 卡片
   ========================================================= */
.qw-panel {
  position: relative;
  background: var(--qw-panel);
  border: 1px solid var(--qw-border);
  border-radius: var(--qw-radius);
  padding: clamp(1.2rem, 3vw, 2.25rem);
}

.qw-glass {
  background: linear-gradient(158deg, rgba(18, 36, 79, .82), rgba(11, 23, 56, .58));
  border: 1px solid rgba(30, 58, 110, .9);
  border-radius: var(--qw-radius);
  backdrop-filter: blur(12px) saturate(130%);
  -webkit-backdrop-filter: blur(12px) saturate(130%);
}

.qw-card {
  position: relative;
  display: block;
  padding: 1.15rem 1.3rem;
  background: linear-gradient(158deg, rgba(18, 36, 79, .92), rgba(11, 23, 56, .72));
  border: 1px solid var(--qw-border);
  border-radius: var(--qw-radius);
  color: inherit;
  transition: transform .28s ease, border-color .28s ease, box-shadow .28s ease, background-color .28s ease;
}
.qw-card:hover {
  transform: translateY(-4px);
  border-color: var(--qw-cyan);
  box-shadow: var(--qw-shadow);
}

/* =========================================================
   数字 / 标签
   ========================================================= */
.qw-num {
  font-family: var(--qw-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--qw-cyan);
  text-shadow: var(--qw-glow);
}
.qw-num--xl {
  display: block;
  font-size: clamp(2.1rem, 7vw, 3.5rem);
  line-height: 1;
}
.qw-num--amber {
  color: var(--qw-amber);
  text-shadow: 0 0 12px rgba(255, 138, 61, .5);
}

.qw-tag {
  display: inline-block;
  font-family: var(--qw-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  line-height: 1.6;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--qw-border);
  color: var(--qw-mist);
  white-space: nowrap;
}
.qw-tag--cyan {
  color: var(--qw-cyan);
  border-color: rgba(34, 224, 214, .45);
  background: rgba(34, 224, 214, .08);
}
.qw-tag--amber {
  color: var(--qw-amber);
  border-color: rgba(255, 138, 61, .45);
  background: rgba(255, 138, 61, .08);
}
.qw-tag--crimson {
  color: #F08CA0;
  border-color: rgba(194, 49, 74, .6);
  background: rgba(194, 49, 74, .16);
}

/* =========================================================
   面包屑 / 正文
   ========================================================= */
.qw-breadcrumb { font-size: 13px; color: var(--qw-mist); }
.qw-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem;
}
.qw-breadcrumb li { display: inline-flex; align-items: center; }
.qw-breadcrumb li + li::before {
  content: "/";
  margin-inline-end: .45rem;
  color: var(--qw-border);
}
.qw-breadcrumb a { color: var(--qw-mist); transition: color .2s ease; }
.qw-breadcrumb a:hover { color: var(--qw-cyan); }
.qw-breadcrumb [aria-current="page"] { color: var(--qw-snow); }

.qw-prose {
  max-width: 42rem;
  font-size: 17px;
  line-height: 1.85;
  color: var(--qw-mist);
}
.qw-prose p { margin-bottom: 1.05em; }
.qw-prose h2 {
  margin: 2em 0 .6em;
  font-size: 1.55rem;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--qw-snow);
}
.qw-prose h3 {
  margin: 1.7em 0 .5em;
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--qw-snow);
}
.qw-prose ul, .qw-prose ol { padding-inline-start: 1.3em; margin-bottom: 1.05em; }
.qw-prose ul { list-style: square; }
.qw-prose ol { list-style: decimal; }
.qw-prose li { margin: .38em 0; }
.qw-prose a { color: var(--qw-cyan); border-bottom: 1px solid rgba(34, 224, 214, .4); }
.qw-prose a:hover { border-bottom-color: var(--qw-cyan); }
.qw-prose strong { color: var(--qw-snow); font-weight: 700; }
.qw-prose code {
  font-family: var(--qw-mono);
  font-size: .92em;
  color: var(--qw-cyan);
  background: rgba(34, 224, 214, .08);
  padding: .1em .4em;
  border-radius: 4px;
}

/* =========================================================
   栅格
   ========================================================= */
.qw-grid { display: grid; gap: var(--qw-gap-m); }

@media (min-width: 640px) {
  .qw-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 900px) {
  .qw-grid { gap: var(--qw-gap-l); }
  .qw-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .qw-grid--5-7 { grid-template-columns: 5fr 7fr; }
  .qw-grid--7-5 { grid-template-columns: 7fr 5fr; }
  .qw-grid--8-4 { grid-template-columns: 8fr 4fr; }
  .qw-grid--3-9 { grid-template-columns: 3fr 9fr; }
}

/* =========================================================
   装饰：斜切色块 / 经幡纹理带 / 图片容器
   ========================================================= */
.qw-slice {
  height: 62px;
  background: linear-gradient(90deg, var(--qw-panel) 0 42%, rgba(18, 36, 79, .55) 42% 100%);
  clip-path: polygon(0 0, 100% 22%, 100% 100%, 0 78%);
}

.qw-band {
  height: 10px;
  background-image: repeating-linear-gradient(90deg, var(--qw-cyan) 0 2px, transparent 2px 13px);
  opacity: .4;
}
.qw-band--amber { background-image: repeating-linear-gradient(90deg, var(--qw-amber) 0 2px, transparent 2px 15px); }
.qw-band--crimson { background-image: repeating-linear-gradient(90deg, var(--qw-crimson) 0 2px, transparent 2px 18px); }

.qw-media {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  border-radius: var(--qw-radius);
  border: 1px solid var(--qw-border);
  aspect-ratio: 16 / 9;
  background-color: #0B1738;
  background-image:
    radial-gradient(120% 90% at 22% 8%, rgba(34, 224, 214, .16), transparent 62%),
    radial-gradient(90% 80% at 88% 96%, rgba(255, 138, 61, .12), transparent 66%),
    linear-gradient(160deg, #0B1738, #050B1F);
}
.qw-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.82) contrast(1.08) brightness(.86);
}
.qw-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 42%, rgba(5, 11, 31, .88));
}
.qw-media--wide { aspect-ratio: 21 / 9; }
.qw-media--tall { aspect-ratio: 4 / 5; }
.qw-media--square { aspect-ratio: 1 / 1; }

/* =========================================================
   数据表
   ========================================================= */
.qw-table { width: 100%; font-size: 14.5px; }

.qw-table caption {
  text-align: start;
  font-size: 13px;
  color: var(--qw-mist);
  padding-bottom: .6rem;
}

.qw-table th {
  text-align: start;
  font-family: var(--qw-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--qw-mist);
  padding: .7rem .8rem;
  border-bottom: 1px solid var(--qw-border);
  white-space: nowrap;
}

.qw-table td {
  padding: .7rem .8rem;
  border-bottom: 1px solid rgba(30, 58, 110, .5);
  color: var(--qw-snow);
  font-variant-numeric: tabular-nums;
}

.qw-table tbody tr { transition: background-color .2s ease; }
.qw-table tbody tr:hover { background: rgba(34, 224, 214, .05); }

.qw-table td .qw-num { font-size: 15px; }

.qw-table th[data-sort] {
  cursor: pointer;
  user-select: none;
  transition: color .2s ease;
}
.qw-table th[data-sort]:hover { color: var(--qw-snow); }
.qw-table th[data-sort]::after {
  content: "↕";
  margin-inline-start: .4rem;
  opacity: .4;
  font-size: 11px;
}
.qw-table th[data-sort][aria-sort="ascending"] { color: var(--qw-cyan); }
.qw-table th[data-sort][aria-sort="ascending"]::after { content: "↑"; opacity: 1; color: var(--qw-cyan); }
.qw-table th[data-sort][aria-sort="descending"] { color: var(--qw-cyan); }
.qw-table th[data-sort][aria-sort="descending"]::after { content: "↓"; opacity: 1; color: var(--qw-cyan); }

/* =========================================================
   横向标签条
   ========================================================= */
.qw-tabs {
  display: flex;
  gap: .3rem;
  overflow-x: auto;
  border-bottom: 1px solid var(--qw-border);
  scrollbar-width: thin;
}
.qw-tab {
  flex: 0 0 auto;
  font-size: 14px;
  font-weight: 600;
  color: var(--qw-mist);
  padding: .7rem 1rem;
  border-bottom: 2px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}
.qw-tab:hover { color: var(--qw-snow); }
.qw-tab[aria-selected="true"] {
  color: var(--qw-cyan);
  border-bottom-color: var(--qw-cyan);
}
.qw-tabpanel[hidden] { display: none; }

/* =========================================================
   滚动显现
   ========================================================= */
.qw-reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity .62s cubic-bezier(.22, .7, .3, 1),
    transform .62s cubic-bezier(.22, .7, .3, 1);
  transition-delay: var(--qw-delay, 0ms);
  will-change: opacity, transform;
}
.qw-reveal[data-visible] {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .qw-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .qw-btn:hover,
  .qw-card:hover,
  .qw-footer__entry:hover {
    transform: none;
  }
  *,
  *::before,
  *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* =========================================================
   页脚
   ========================================================= */
.qw-footer {
  position: relative;
  z-index: 1;
  margin-top: clamp(3rem, 8vw, 6rem);
  background: linear-gradient(180deg, rgba(11, 23, 56, .96), rgba(5, 11, 31, .99));
  border-top: 1px solid var(--qw-border);
  padding-block: clamp(2.5rem, 6vw, 4rem) 1.5rem;
  color: var(--qw-mist);
}
.qw-footer::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: -1px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--qw-cyan) 22%, var(--qw-cyan-soft) 50%, var(--qw-cyan) 78%, transparent);
  box-shadow: 0 0 14px rgba(34, 224, 214, .55);
}

.qw-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--qw-gap-l);
}

@media (min-width: 640px) {
  .qw-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .qw-footer__brandcol { grid-column: 1 / -1; }
}
@media (min-width: 1024px) {
  .qw-footer__grid {
    grid-template-columns: 1.7fr 1fr 1fr 1.6fr;
    gap: var(--qw-gap-xl);
  }
  .qw-footer__brandcol { grid-column: auto; }
}

.qw-footer__brandcol .qw-brand { font-size: 20px; }

.qw-footer__brandcol .qw-brand__sub {
  display: inline-block;
  max-height: none;
  margin-top: .7rem;
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--qw-mist);
  white-space: normal;
}

.qw-footer__note {
  margin-top: .9rem;
  max-width: 38ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--qw-mist);
}

.qw-footer__title {
  position: relative;
  padding-inline-start: .85rem;
  margin-bottom: .95rem;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--qw-snow);
}
.qw-footer__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: .45em;
  width: 3px;
  height: .95em;
  border-radius: 2px;
  background: var(--qw-crimson);
}

.qw-footer__list { display: grid; gap: .3rem; }

.qw-footer__link {
  display: inline-block;
  font-size: 15px;
  line-height: 1.7;
  color: var(--qw-mist);
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}
.qw-footer__link:hover {
  color: var(--qw-cyan);
  border-bottom-color: rgba(34, 224, 214, .5);
}
.qw-footer__link[aria-current="page"] { color: var(--qw-cyan); }

.qw-footer__contact { display: grid; gap: .72rem; }
.qw-footer__contact li { display: grid; gap: .15rem; }

.qw-footer__key {
  font-family: var(--qw-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--qw-mist);
  opacity: .8;
}

.qw-footer__val {
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--qw-snow);
  word-break: break-word;
}

.qw-footer__entry {
  display: grid;
  gap: .25rem;
  margin-top: 1.1rem;
  padding: .85rem 1rem;
  border: 1px solid var(--qw-border);
  border-inline-start: 3px solid var(--qw-cyan);
  border-radius: 0 var(--qw-radius-s) var(--qw-radius-s) 0;
  background: rgba(18, 36, 79, .55);
  transition: background-color .25s ease, border-color .25s ease, transform .25s ease;
}
.qw-footer__entry:hover {
  background: rgba(34, 224, 214, .1);
  border-inline-start-color: var(--qw-amber);
  transform: translateX(3px);
}
.qw-footer__entry-label {
  font-size: 15px;
  font-weight: 700;
  color: var(--qw-cyan);
}
.qw-footer__entry-desc {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--qw-mist);
}

.qw-footer__base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .35rem 1.5rem;
  margin-top: var(--qw-gap-xl);
  padding-top: var(--qw-gap-m);
  border-top: 1px solid rgba(30, 58, 110, .7);
  font-size: 13px;
  color: var(--qw-mist);
}
.qw-footer__legal { font-family: var(--qw-mono); letter-spacing: .06em; }
.qw-footer__copy { letter-spacing: .02em; }