/* ==========================================================================
   V体育看台 · /assets/site.css
   共享外壳：reset / 变量 / 中文排版 / 头部 / 页脚 / 通用组件
   页面专属布局请在页面 CSS 中扩展，组件统一使用 vsk- 前缀
   ========================================================================== */

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

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

body {
  margin: 0;
  padding-top: var(--header-h);
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--ink-deep);
  color: var(--score-white);
  font-family: var(--font-body);
  font-size: clamp(15px, 0.34vw + 14px, 17px);
  font-weight: 400;
  line-height: 1.85;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(900px 520px at 82% -12%, rgba(61, 240, 192, 0.14), transparent 66%),
    radial-gradient(720px 460px at 4% 4%, rgba(255, 138, 61, 0.10), transparent 70%),
    linear-gradient(180deg, #061E18 0%, #041914 46%, #02100C 100%);
}

h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg, video, canvas { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; color: inherit; }
table { border-collapse: collapse; width: 100%; }

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

::selection {
  background: rgba(61, 240, 192, 0.32);
  color: var(--score-white);
}

/* ---------- 变量 ---------- */
:root {
  --ink-deep: #061E18;
  --ink-panel: #0B2E26;
  --cyan: #3DF0C0;
  --cyan-bright: #9DFFE2;
  --orange: #FF8A3D;
  --orange-soft: #FFC48A;
  --score-white: #EAF7F2;
  --mist: #A6C9BE;
  --rule-line: #1D4A3E;
  --amber: #FFD166;
  --coral: #FF6B6B;
  --carbon: #02100C;

  --font-display: "Archivo Narrow", "HarmonyOS Sans Condensed", "Arial Narrow",
    "Helvetica Neue", system-ui, -apple-system, "Source Han Sans SC", "PingFang SC", sans-serif;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", Georgia,
    "Times New Roman", serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", "Roboto Mono", ui-monospace,
    SFMono-Regular, Menlo, Consolas, monospace;
  --font-body: "HarmonyOS Sans", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei",
    system-ui, -apple-system, sans-serif;

  --header-h: 76px;
  --shell: 1280px;
  --gutter: clamp(16px, 4vw, 44px);

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-xl: 40px;
  --radius-pill: 999px;

  --shadow-deep: 0 34px 70px -42px rgba(0, 0, 0, 0.95);
  --shadow-cyan: 0 0 0 1px rgba(61, 240, 192, 0.24), 0 18px 44px -30px rgba(61, 240, 192, 0.7);
  --ease-out: cubic-bezier(0.22, 0.72, 0.28, 1);
}

@media (max-width: 900px) {
  :root { --header-h: 64px; }
}

/* ---------- 无障碍跳转 ---------- */
.skip-link {
  position: absolute;
  top: -80px;
  left: 16px;
  z-index: 500;
  padding: 11px 20px;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  background: var(--cyan);
  color: var(--carbon);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  transition: top 0.22s var(--ease-out);
}

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

/* ==========================================================================
   头部
   ========================================================================== */
.vsk-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 300;
  height: var(--header-h);
  background: linear-gradient(180deg, rgba(6, 30, 24, 0.88), rgba(6, 30, 24, 0));
  border-bottom: 1px solid transparent;
  transition: background-color 0.36s var(--ease-out), border-color 0.36s var(--ease-out),
    box-shadow 0.36s var(--ease-out);
}

.vsk-header[data-scrolled="true"] {
  background: var(--ink-panel);
  border-bottom-color: var(--rule-line);
  box-shadow: var(--shadow-deep);
}

.vsk-header[data-open="true"] {
  background: var(--ink-panel);
  border-bottom-color: var(--rule-line);
}

.vsk-header__inner {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.2vw, 34px);
  width: 100%;
  max-width: var(--shell);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* 品牌 */
.vsk-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  text-decoration: none;
  color: var(--score-white);
}

.vsk-brand__mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  border-radius: 13px;
  border: 1px solid var(--rule-line);
  background: linear-gradient(148deg, rgba(61, 240, 192, 0.22), rgba(255, 138, 61, 0.16));
  overflow: hidden;
}

.vsk-brand__mark::before {
  content: "";
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background: var(--cyan);
  box-shadow: 0 0 16px rgba(61, 240, 192, 0.85);
}

.vsk-brand__pulse {
  position: absolute;
  right: 6px;
  bottom: 6px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
  animation: vsk-pulse 2.8s ease-in-out infinite;
}

@keyframes vsk-pulse {
  0%, 100% { transform: scale(1); opacity: 1; box-shadow: 0 0 0 0 rgba(255, 138, 61, 0.55); }
  50% { transform: scale(0.82); opacity: 0.72; box-shadow: 0 0 0 7px rgba(255, 138, 61, 0); }
}

.vsk-brand__text { display: block; min-width: 0; }

.vsk-brand__name {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.15;
  letter-spacing: 0.015em;
}

.vsk-brand__sub {
  display: block;
  font-family: var(--font-mono);
  font-size: 9.5px;
  line-height: 1.4;
  letter-spacing: 0.2em;
  color: var(--mist);
  white-space: nowrap;
}

/* 移动端菜单按钮 */
.vsk-nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  padding: 9px 18px;
  border: 1px solid var(--rule-line);
  border-radius: var(--radius-pill);
  background: rgba(11, 46, 38, 0.75);
  color: var(--score-white);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.24s var(--ease-out), background-color 0.24s var(--ease-out);
}

.vsk-nav-toggle:hover { border-color: var(--cyan); background: rgba(61, 240, 192, 0.14); }

.vsk-nav-toggle__bars { display: grid; gap: 4px; width: 18px; }

.vsk-nav-toggle__bars span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
  transition: transform 0.28s var(--ease-out), opacity 0.2s ease;
}

.vsk-nav-toggle[aria-expanded="true"] .vsk-nav-toggle__bars span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.vsk-nav-toggle[aria-expanded="true"] .vsk-nav-toggle__bars span:nth-child(2) { opacity: 0; }
.vsk-nav-toggle[aria-expanded="true"] .vsk-nav-toggle__bars span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* 主导航 */
.vsk-nav {
  display: flex;
  align-items: center;
  gap: clamp(6px, 1.2vw, 20px);
  margin-left: auto;
}

.vsk-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(0px, 0.5vw, 6px);
}

.vsk-nav__link {
  position: relative;
  display: inline-block;
  padding: 8px 12px;
  border-radius: var(--radius-pill);
  color: var(--mist);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.24s var(--ease-out), background-color 0.24s var(--ease-out);
}

.vsk-nav__link::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s var(--ease-out);
}

.vsk-nav__link:hover { color: var(--cyan-bright); }
.vsk-nav__link:hover::after { transform: scaleX(1); }

.vsk-nav__link[aria-current="page"] {
  color: var(--score-white);
  background: rgba(61, 240, 192, 0.12);
}
.vsk-nav__link[aria-current="page"]::after { transform: scaleX(1); }

/* 导航右侧固定锚点 */
.vsk-nav__anchors {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-left: clamp(10px, 1.4vw, 20px);
  border-left: 1px solid var(--rule-line);
}

.vsk-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--rule-line);
  background: rgba(2, 16, 12, 0.42);
  color: var(--mist);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.24s var(--ease-out), color 0.24s var(--ease-out),
    background-color 0.24s var(--ease-out);
}

.vsk-chip:hover { border-color: var(--cyan); color: var(--cyan-bright); background: rgba(61, 240, 192, 0.12); }

.vsk-chip__key {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.vsk-chip__val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--amber);
}

.vsk-chip--rules:hover .vsk-chip__val { color: var(--orange-soft); }

.vsk-chip--quick { color: var(--score-white); border-color: rgba(255, 138, 61, 0.45); }

.vsk-chip__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 10px rgba(255, 138, 61, 0.85);
  animation: vsk-pulse 2.2s ease-in-out infinite;
}

/* 阅读进度记分条 */
.vsk-header__scan {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  overflow: hidden;
  pointer-events: none;
}

.vsk-header__scan-bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--cyan-bright) 58%, var(--orange) 100%);
  box-shadow: 0 0 14px rgba(61, 240, 192, 0.7);
  transition: width 0.12s linear;
}

/* ==========================================================================
   页脚
   ========================================================================== */
.vsk-footer {
  position: relative;
  z-index: 1;
  margin-top: clamp(56px, 9vw, 128px);
  background: var(--carbon);
  border-top: 1px solid var(--rule-line);
  color: var(--mist);
}

.vsk-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan) 22%, var(--orange) 78%, transparent);
  opacity: 0.75;
}

.vsk-footer__inner {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.vsk-footer__grid {
  display: grid;
  grid-template-columns: minmax(240px, 1.5fr) repeat(3, minmax(150px, 1fr));
  gap: clamp(26px, 4vw, 58px);
  padding: clamp(40px, 5vw, 76px) 0 clamp(26px, 3vw, 44px);
}

.vsk-footer__col { min-width: 0; }

.vsk-footer__brandRow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--score-white);
}

.vsk-footer__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.vsk-footer__list { display: grid; gap: 10px; }

.vsk-footer__list a {
  color: var(--mist);
  font-size: 15px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: color 0.22s var(--ease-out), border-color 0.22s var(--ease-out);
}

.vsk-footer__list a:hover {
  color: var(--cyan-bright);
  border-bottom-color: var(--cyan);
}

.vsk-footer__text {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.vsk-footer__text a {
  color: var(--score-white);
  text-decoration: none;
  border-bottom: 1px solid var(--rule-line);
}

.vsk-footer__text a:hover { color: var(--cyan-bright); border-bottom-color: var(--cyan); }

.vsk-footer__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--score-white);
}

.vsk-footer__meta a { text-decoration: none; }
.vsk-footer__meta a:hover { color: var(--cyan-bright); }

.vsk-footer__note {
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.vsk-footer__base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 0 30px;
  border-top: 1px solid var(--rule-line);
}

/* ==========================================================================
   通用布局组件
   ========================================================================== */
.vsk-main {
  position: relative;
  z-index: 1;
}

.vsk-shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.vsk-bleed-top {
  margin-top: calc(-1 * var(--header-h));
  padding-top: var(--header-h);
}

.vsk-section {
  position: relative;
  padding: clamp(44px, 6vw, 88px) 0;
}

.vsk-section--tight { padding: clamp(28px, 3.6vw, 52px) 0; }

.vsk-section--panel {
  background: var(--ink-panel);
  border-radius: var(--radius-lg);
  padding: clamp(26px, 3.8vw, 56px);
}

.vsk-grid {
  display: grid;
  gap: clamp(16px, 2vw, 28px);
}

.vsk-grid--2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.vsk-grid--3 { grid-template-columns: repeat(auto-fit, minmax(224px, 1fr)); }

.vsk-grid--asym {
  grid-template-columns: minmax(196px, 0.72fr) minmax(0, 1.68fr);
  gap: clamp(20px, 3vw, 48px);
}

.vsk-sticky {
  position: sticky;
  top: calc(var(--header-h) + 22px);
  align-self: start;
}

/* 文本层级 */
.vsk-eyebrow {
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
}

.vsk-h1 {
  margin-bottom: 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 7.2vw, 88px);
  line-height: 0.98;
  letter-spacing: -0.022em;
  color: var(--score-white);
}

.vsk-h2 {
  margin-bottom: 14px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(23px, 3.1vw, 38px);
  line-height: 1.28;
  letter-spacing: 0.005em;
}

.vsk-h3 {
  margin-bottom: 10px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(17px, 1.9vw, 23px);
  line-height: 1.4;
}

.vsk-lead {
  max-width: 62ch;
  font-size: clamp(15.5px, 1.2vw, 18.5px);
  line-height: 1.85;
  color: var(--mist);
}

.vsk-text { color: var(--mist); }
.vsk-text strong { color: var(--score-white); font-weight: 600; }

.vsk-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.vsk-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 13px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--rule-line);
  background: rgba(61, 240, 192, 0.09);
  color: var(--cyan-bright);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  line-height: 1.6;
}

/* 卡片 */
.vsk-card {
  padding: clamp(20px, 2.4vw, 32px);
  border: 1px solid var(--rule-line);
  border-radius: var(--radius-lg);
  background: var(--ink-panel);
}

.vsk-card--flat {
  background: rgba(11, 46, 38, 0.5);
  border-color: rgba(29, 74, 62, 0.7);
}

/* 按钮 */
.vsk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 27px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.22s var(--ease-out), background-color 0.22s var(--ease-out),
    color 0.22s var(--ease-out), border-color 0.22s var(--ease-out);
}

.vsk-btn--primary {
  background: var(--orange);
  color: #1A0C02;
  box-shadow: 0 16px 36px -20px rgba(255, 138, 61, 0.95);
}
.vsk-btn--primary:hover { background: var(--orange-soft); transform: translateY(-2px); }

.vsk-btn--ghost {
  border-color: var(--rule-line);
  background: rgba(11, 46, 38, 0.6);
  color: var(--score-white);
}
.vsk-btn--ghost:hover { border-color: var(--cyan); color: var(--cyan-bright); transform: translateY(-2px); }

.vsk-btn--quiet {
  padding: 6px 0;
  background: transparent;
  color: var(--cyan);
}
.vsk-btn--quiet:hover { color: var(--cyan-bright); }

/* 面包屑 */
.vsk-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--mist);
}

.vsk-breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.22s var(--ease-out), border-color 0.22s var(--ease-out);
}

.vsk-breadcrumb a:hover { color: var(--cyan-bright); border-bottom-color: var(--cyan); }

.vsk-breadcrumb__sep { color: var(--rule-line); }

.vsk-breadcrumb [aria-current="page"] { color: var(--amber); }

/* 图片容器 */
.vsk-media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--rule-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(142deg, #0B2E26 0%, #02100C 100%);
}

.vsk-media img,
.vsk-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.vsk-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(2, 16, 12, 0) 42%, rgba(2, 16, 12, 0.74) 100%);
}

.vsk-media--16x9 { aspect-ratio: 16 / 9; }
.vsk-media--4x3 { aspect-ratio: 4 / 3; }
.vsk-media--1x1 { aspect-ratio: 1 / 1; }
.vsk-media--3x4 { aspect-ratio: 3 / 4; }

.vsk-media__cap {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 14px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.07em;
  color: var(--cyan-bright);
}

/* 筛选按钮组 */
.vsk-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.vsk-filter__btn {
  padding: 8px 18px;
  border: 1px solid var(--rule-line);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.24s var(--ease-out), color 0.24s var(--ease-out),
    background-color 0.24s var(--ease-out);
}

.vsk-filter__btn:hover { border-color: var(--cyan); color: var(--cyan-bright); }

.vsk-filter__btn[aria-pressed="true"] {
  border-color: var(--cyan);
  background: rgba(61, 240, 192, 0.16);
  color: var(--cyan-bright);
}

/* 分隔线 */
.vsk-rule {
  height: 1px;
  border: 0;
  margin: clamp(24px, 3vw, 44px) 0;
  background: var(--rule-line);
}

.vsk-glowline {
  height: 2px;
  border: 0;
  margin: 0;
  background: linear-gradient(90deg, var(--cyan), var(--orange) 70%, transparent);
  opacity: 0.7;
}

/* 渐显协议 */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1100px) {
  .vsk-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .vsk-nav-toggle { display: inline-flex; }

  .vsk-brand__sub { display: none; }

  .vsk-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    margin-left: 0;
    padding: 12px var(--gutter) 22px;
    max-height: min(74vh, 560px);
    overflow-y: auto;
    background: var(--ink-panel);
    border-bottom: 1px solid var(--rule-line);
    box-shadow: var(--shadow-deep);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity 0.28s var(--ease-out), transform 0.28s var(--ease-out),
      visibility 0.28s linear;
  }

  .vsk-header[data-open="true"] .vsk-nav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .vsk-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }

  .vsk-nav__link {
    display: block;
    padding: 13px 14px;
    border-radius: var(--radius-md);
    font-size: 16px;
  }

  .vsk-nav__link::after { display: none; }

  .vsk-nav__anchors {
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 14px;
    padding: 16px 0 0;
    border-left: 0;
    border-top: 1px solid var(--rule-line);
  }

  .vsk-grid--asym { grid-template-columns: 1fr; }

  .vsk-sticky { position: static; top: auto; }
}

@media (max-width: 640px) {
  .vsk-grid--2,
  .vsk-grid--3 { grid-template-columns: 1fr; }

  .vsk-footer__grid { grid-template-columns: 1fr; gap: 30px; }

  .vsk-footer__base { flex-direction: column; align-items: flex-start; gap: 8px; }

  .vsk-media { border-radius: var(--radius-md); }

  .vsk-card { border-radius: var(--radius-md); }
}

/* ==========================================================================
   动效降级
   ========================================================================== */
@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;
    scroll-behavior: auto !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

@media print {
  body { padding-top: 0; background: #fff; color: #000; }
  .vsk-header, .vsk-footer__grid, .skip-link { display: none; }
}