/* ============================================================
   云开体育 · 共享样式 /assets/site.css
   深空蓝底 + 电光青数据色 + 熔岩橙关键操作
   ============================================================ */

:root {
  --ky-void: #050B1F;
  --ky-deep: #0A1633;
  --ky-cyan: #35E4D6;
  --ky-cyan-soft: #8FF3EA;
  --ky-lava: #FF6A2C;
  --ky-lava-soft: #FFB08A;
  --ky-ice: #F4F9FF;
  --ky-mist: #9FB3CC;
  --ky-glass: rgba(255, 255, 255, 0.10);
  --ky-glass-hi: rgba(255, 255, 255, 0.18);
  --ky-ink: #01040D;
  --ky-line: rgba(159, 179, 204, 0.16);
  --ky-line-cyan: rgba(53, 228, 214, 0.22);
  --ky-font-body: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --ky-font-display: "Source Han Sans SC Heavy", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --ky-font-num: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --ky-rail-w: 264px;
  --ky-shell: 1180px;
  --ky-radius: 18px;
}

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

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

body {
  margin: 0;
  background-color: var(--ky-void);
  background-image:
    radial-gradient(1200px 620px at 78% -12%, rgba(53, 228, 214, 0.14), transparent 62%),
    radial-gradient(900px 520px at 4% 6%, rgba(255, 106, 44, 0.08), transparent 60%),
    linear-gradient(180deg, #050B1F 0%, #050B1F 58%, #03071A 100%);
  background-attachment: fixed;
  color: var(--ky-ice);
  font-family: var(--ky-font-body);
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

button { font: inherit; color: inherit; }

/* ---------- 中文排版 ---------- */
h1, h2, h3, h4 {
  margin: 0 0 0.6em;
  font-family: var(--ky-font-display);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(38px, 6.4vw, 84px); letter-spacing: -0.02em; }
h2 { font-size: clamp(26px, 3.4vw, 38px); }
h3 { font-size: clamp(19px, 2.1vw, 24px); }
h4 { font-size: 17px; }

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

a { color: var(--ky-cyan); text-underline-offset: 3px; }
a:hover { color: var(--ky-cyan-soft); }

ul, ol { margin: 0 0 1em; padding-left: 1.2em; }
li { margin-bottom: 0.35em; }

strong { color: var(--ky-cyan-soft); font-weight: 700; }

code, kbd, samp { font-family: var(--ky-font-num); font-size: 0.92em; }

::selection { background: rgba(53, 228, 214, 0.32); color: var(--ky-ice); }

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

#main-content { scroll-margin-top: 84px; }

/* ---------- 工具类 ---------- */
.ky-visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.ky-skip {
  position: fixed;
  top: 10px; left: 10px;
  z-index: 300;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--ky-cyan);
  color: var(--ky-ink);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-200%);
  transition: transform 0.2s ease;
}
.ky-skip:focus { transform: none; color: var(--ky-ink); }

/* ---------- 布局容器 ---------- */
.ky-shell {
  width: min(var(--ky-shell), 100% - 2.5rem);
  margin-inline: auto;
}

.ky-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 28px);
}
.ky-grid > * { grid-column: 1 / -1; min-width: 0; }

.ky-stack {
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 2vw, 24px);
}

.ky-section { padding: clamp(44px, 7vw, 96px) 0; }

.ky-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 14px 20px;
  margin-bottom: clamp(20px, 3vw, 36px);
}

.ky-section__idx {
  font-family: var(--ky-font-num);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--ky-cyan);
  padding-top: 0.7em;
}

.ky-section__title { margin: 0; }

.ky-section__note {
  color: var(--ky-mist);
  font-size: 14px;
  line-height: 1.75;
  max-width: 54ch;
  margin: 0;
}

.ky-lede {
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.78;
  color: rgba(244, 249, 255, 0.84);
  max-width: 60ch;
  margin: 0 0 1em;
}

.ky-rule {
  height: 1px;
  border: 0;
  margin: 0;
  background: linear-gradient(90deg, rgba(53, 228, 214, 0.72), rgba(53, 228, 214, 0));
}

/* ---------- 表面层 ---------- */
.ky-glass {
  border-radius: var(--ky-radius);
  background: var(--ky-glass);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: clamp(18px, 2.2vw, 28px);
  transition: background 0.24s ease, border-color 0.24s ease, transform 0.24s ease;
}
.ky-glass:hover {
  background: var(--ky-glass-hi);
  border-color: rgba(143, 243, 234, 0.4);
  transform: translateY(-4px);
}

.ky-solid {
  border-radius: var(--ky-radius);
  background: var(--ky-deep);
  border: 1px solid var(--ky-line);
  padding: clamp(18px, 2.2vw, 28px);
}

.ky-panel {
  position: relative;
  border-radius: var(--ky-radius);
  background: linear-gradient(160deg, rgba(10, 22, 51, 0.96), rgba(5, 11, 31, 0.96));
  border: 1px solid var(--ky-line);
  padding: clamp(20px, 2.4vw, 30px);
  transition: border-color 0.22s ease, transform 0.22s ease;
}
.ky-panel:hover { border-color: var(--ky-line-cyan); }

/* ---------- 数据与标签 ---------- */
.ky-num {
  font-family: var(--ky-font-num);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.ky-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid var(--ky-line-cyan);
  background: rgba(53, 228, 214, 0.08);
  color: var(--ky-cyan-soft);
  font-family: var(--ky-font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1.6;
  white-space: nowrap;
}
.ky-chip--lava {
  border-color: rgba(255, 106, 44, 0.42);
  background: rgba(255, 106, 44, 0.12);
  color: var(--ky-lava-soft);
}
.ky-chip--plain {
  border-color: var(--ky-line);
  background: transparent;
  color: var(--ky-mist);
}

.ky-annot {
  margin: 0;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: 0.34em;
  font-family: var(--ky-font-num);
  font-size: 11px;
  text-transform: uppercase;
  color: var(--ky-mist);
}

/* ---------- 按钮 ---------- */
.ky-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.4;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.22s ease, color 0.22s ease, border-color 0.22s ease, transform 0.22s ease;
}
.ky-btn--lava {
  background: var(--ky-lava);
  color: var(--ky-ink);
}
.ky-btn--lava:hover {
  background: var(--ky-lava-soft);
  color: var(--ky-ink);
  transform: translateY(-2px);
}
.ky-btn--cyan {
  background: var(--ky-cyan);
  color: var(--ky-ink);
}
.ky-btn--cyan:hover { background: var(--ky-cyan-soft); color: var(--ky-ink); }
.ky-btn--ghost {
  background: transparent;
  border-color: rgba(53, 228, 214, 0.45);
  color: var(--ky-cyan-soft);
}
.ky-btn--ghost:hover {
  background: rgba(53, 228, 214, 0.12);
  color: var(--ky-ice);
  border-color: var(--ky-cyan);
}

/* ---------- 面包屑 ---------- */
.ky-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  font-family: var(--ky-font-num);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ky-mist);
}
.ky-crumbs li { margin: 0; }
.ky-crumbs__link {
  color: var(--ky-mist);
  text-decoration: none;
}
.ky-crumbs__link:hover { color: var(--ky-cyan); }
.ky-crumbs__sep { color: rgba(159, 179, 204, 0.5); }
.ky-crumbs__item { color: var(--ky-cyan-soft); }

/* ---------- 图片容器基础规则 ---------- */
.ky-media {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  border: 1px solid var(--ky-line-cyan);
  background: linear-gradient(140deg, var(--ky-deep), var(--ky-void) 70%);
  aspect-ratio: 16 / 9;
  width: 100%;
}
.ky-media img,
.ky-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.ky-media--wide { aspect-ratio: 21 / 9; }
.ky-media--tall { aspect-ratio: 3 / 4; }
.ky-media--square { aspect-ratio: 1 / 1; }

/* ---------- 显现 ---------- */
.ky-reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.ky-reveal.is-in {
  opacity: 1;
  transform: none;
}

/* ============================================================
   头部 · 侧边轨道导航
   ============================================================ */
.ky-header {
  position: relative;
  z-index: 90;
}

.ky-rail {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 120;
  width: var(--ky-rail-w);
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 3vh, 32px);
  padding: 26px 20px 24px;
  background: linear-gradient(180deg, rgba(10, 22, 51, 0.96), rgba(5, 11, 31, 0.99));
  border-right: 1px solid var(--ky-line-cyan);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.ky-rail::after {
  content: "";
  position: absolute;
  top: 8%;
  right: -1px;
  width: 1px;
  height: 84%;
  background: linear-gradient(180deg, transparent, rgba(53, 228, 214, 0.75), transparent);
  pointer-events: none;
}

.ky-rail__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--ky-line);
  color: var(--ky-ice);
  text-decoration: none;
}
.ky-rail__brand:hover { color: var(--ky-ice); }

.ky-rail__mark {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(145deg, var(--ky-cyan), #1B9C97);
  color: var(--ky-ink);
  font-family: var(--ky-font-display);
  font-size: 21px;
  font-weight: 800;
  transform: rotate(-6deg);
}

.ky-rail__titles {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}
.ky-rail__title {
  font-family: var(--ky-font-display);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.03em;
}
.ky-rail__sub {
  font-size: 11px;
  line-height: 1.55;
  letter-spacing: 0.04em;
  color: var(--ky-mist);
}

.ky-nav {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
}
.ky-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.ky-nav__item { margin: 0; }

.ky-nav__link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px 10px 16px;
  border-radius: 12px;
  color: var(--ky-mist);
  font-size: 15px;
  text-decoration: none;
  transition: color 0.2s ease, background 0.2s ease;
}
.ky-nav__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 2px;
  height: 0;
  border-radius: 2px;
  background: var(--ky-cyan);
  transform: translateY(-50%);
  transition: height 0.2s ease;
}
.ky-nav__link:hover {
  color: var(--ky-ice);
  background: rgba(255, 255, 255, 0.06);
}
.ky-nav__link:hover::before { height: 18px; }

.ky-nav__link[aria-current="page"] {
  color: var(--ky-ice);
  background: rgba(53, 228, 214, 0.10);
}
.ky-nav__link[aria-current="page"]::before { height: 26px; }

.ky-nav__idx {
  font-family: var(--ky-font-num);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(159, 179, 204, 0.75);
}
.ky-nav__link[aria-current="page"] .ky-nav__idx { color: var(--ky-cyan); }

.ky-nav__label { line-height: 1.5; }

.ky-rail__foot {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--ky-line);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.ky-rail__cta { width: 100%; }
.ky-rail__meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ky-mist);
}

/* ---------- 移动端菜单按钮 ---------- */
.ky-burger {
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 140;
  display: none;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid rgba(53, 228, 214, 0.35);
  border-radius: 999px;
  background: rgba(10, 22, 51, 0.92);
  color: var(--ky-ice);
  font-size: 14px;
  letter-spacing: 0.06em;
  cursor: pointer;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.ky-burger:hover { border-color: var(--ky-cyan); }

.ky-burger__bars {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 18px;
}
.ky-burger__bar {
  height: 2px;
  width: 100%;
  border-radius: 2px;
  background: var(--ky-cyan);
  transition: transform 0.2s ease;
}
.ky-burger[aria-expanded="true"] .ky-burger__bar:first-child {
  transform: translateY(3px) rotate(45deg);
}
.ky-burger[aria-expanded="true"] .ky-burger__bar:last-child {
  transform: translateY(-3px) rotate(-45deg);
}
.ky-burger__text { font-weight: 600; }

/* ---------- 移动端遮罩 ---------- */
.ky-scrim {
  position: fixed;
  inset: 0;
  z-index: 110;
  background: rgba(1, 4, 13, 0.74);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}
.ky-rail[data-open] ~ .ky-scrim {
  opacity: 1;
  visibility: visible;
}

/* ---------- 滚动快捷条 ---------- */
.ky-quickbar {
  position: fixed;
  top: 0;
  left: var(--ky-rail-w);
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px clamp(20px, 3vw, 40px);
  background: rgba(10, 22, 51, 0.88);
  border-bottom: 1px solid var(--ky-line-cyan);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transform: translateY(-104%);
  transition: transform 0.3s ease;
}
.ky-quickbar[data-visible="true"] { transform: none; }

.ky-quickbar__label {
  font-family: var(--ky-font-num);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--ky-cyan);
  white-space: nowrap;
}
.ky-quickbar__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.ky-quickbar__list li { margin: 0; }
.ky-quickbar__link {
  display: inline-block;
  padding: 6px 13px;
  border: 1px solid rgba(159, 179, 204, 0.28);
  border-radius: 999px;
  color: var(--ky-ice);
  font-size: 13px;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}
.ky-quickbar__link:hover {
  border-color: var(--ky-cyan);
  background: rgba(53, 228, 214, 0.10);
  color: var(--ky-cyan-soft);
}
.ky-quickbar__progress {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, var(--ky-cyan), var(--ky-lava));
}

/* ============================================================
   页脚
   ============================================================ */
.ky-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 120px);
  padding: clamp(40px, 6vw, 84px) 0 26px;
  background: linear-gradient(180deg, #01040D 0%, #050B1F 100%);
  border-top: 1px solid var(--ky-line-cyan);
}
.ky-footer::before {
  content: "";
  position: absolute;
  top: -1px; left: 0;
  width: min(420px, 42%);
  height: 2px;
  background: linear-gradient(90deg, var(--ky-cyan), transparent);
}

.ky-footer__inner {
  width: min(var(--ky-shell), 100% - 2.5rem);
  margin-inline: auto;
}

.ky-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: clamp(26px, 3vw, 48px);
}

.ky-footer__name {
  margin: 0 0 10px;
  font-family: var(--ky-font-display);
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ky-ice);
}
.ky-footer__meta {
  margin: 0 0 10px;
  font-family: var(--ky-font-num);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ky-cyan-soft);
}
.ky-footer__note {
  margin: 0;
  font-size: 14px;
  color: var(--ky-mist);
  max-width: 34ch;
}

.ky-footer__heading {
  margin: 0 0 14px;
  font-family: var(--ky-font-num);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ky-mist);
}

.ky-footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.ky-footer__list li { margin: 0; }

.ky-footer__link {
  display: inline-block;
  color: var(--ky-ice);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.ky-footer__link:hover {
  color: var(--ky-cyan);
  border-bottom-color: rgba(53, 228, 214, 0.6);
}

.ky-footer__row {
  display: flex;
  gap: 12px;
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.65;
}
.ky-footer__row:last-child { margin-bottom: 0; }
.ky-footer__key {
  flex: 0 0 42px;
  padding-top: 2px;
  font-family: var(--ky-font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ky-mist);
}
.ky-footer__val {
  color: var(--ky-ice);
  word-break: break-word;
}

.ky-footer__bar {
  margin-top: clamp(28px, 4vw, 48px);
  padding-top: 18px;
  border-top: 1px solid var(--ky-line);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
  font-size: 13px;
  color: var(--ky-mist);
}
.ky-footer__copy,
.ky-footer__icp { margin: 0; }
.ky-footer__icp {
  font-family: var(--ky-font-num);
  letter-spacing: 0.06em;
  color: rgba(159, 179, 204, 0.9);
}

/* ============================================================
   响应式
   ============================================================ */
@media (min-width: 900px) {
  .ky-col-3 { grid-column: span 3; }
  .ky-col-4 { grid-column: span 4; }
  .ky-col-5 { grid-column: span 5; }
  .ky-col-6 { grid-column: span 6; }
  .ky-col-7 { grid-column: span 7; }
  .ky-col-8 { grid-column: span 8; }
  .ky-col-9 { grid-column: span 9; }
  .ky-col-12 { grid-column: span 12; }

  .ky-stagger {
    display: grid;
    gap: clamp(18px, 2vw, 28px);
  }
  .ky-stagger > :nth-child(even) {
    transform: translateY(clamp(16px, 3vw, 40px));
  }
}

@media (min-width: 1024px) {
  body { padding-left: var(--ky-rail-w); }
  .ky-scrim { display: none; }
}

@media (max-width: 1023px) {
  body { padding-bottom: 64px; }

  #main-content { padding-top: 76px; }

  .ky-rail {
    width: min(320px, 86vw);
    transform: translateX(-104%);
    transition: transform 0.28s ease;
    box-shadow: 24px 0 60px -32px rgba(0, 0, 0, 0.95);
  }
  .ky-rail[data-open] { transform: none; }

  .ky-burger { display: inline-flex; }

  .ky-quickbar {
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    gap: 10px;
    padding: 8px 12px;
    border-bottom: 0;
    border-top: 1px solid var(--ky-line-cyan);
    transform: translateY(104%);
  }
  .ky-quickbar[data-visible="true"] { transform: none; }
  .ky-quickbar__label { display: none; }
  .ky-quickbar__list { gap: 6px; }
  .ky-quickbar__link { font-size: 12px; padding: 6px 10px; }
  .ky-quickbar__progress { left: 0; bottom: 0; }
}

@media (max-width: 900px) {
  .ky-footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  body { background-attachment: scroll; }

  .ky-annot {
    writing-mode: horizontal-tb;
    letter-spacing: 0.2em;
  }

  .ky-section__head { gap: 8px 14px; }
  .ky-section__idx { padding-top: 0; }
}

@media (max-width: 560px) {
  .ky-shell,
  .ky-footer__inner { width: calc(100% - 2rem); }

  .ky-footer__grid { grid-template-columns: 1fr; }
  .ky-footer__bar { flex-direction: column; }
}

/* ============================================================
   降低动态效果
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .ky-reveal {
    opacity: 1;
    transform: none;
  }

  .ky-glass:hover { transform: none; }
  .ky-btn--lava:hover { transform: none; }
  .ky-stagger > :nth-child(even) { transform: none; }
}