/* ============================================================
   新利赛场 · grandstand-xinli.com.cn
   /assets/site.css — 共享外壳与通用组件
   深墨绿承重 / 荧光青指路 / 暖橘只标数字
   ============================================================ */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 120px;
}

body,
h1, h2, h3, h4, h5, p,
figure, blockquote, dl, dd, ul, ol { 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;
}

/* ---------- 2. Tokens ---------- */
:root {
  --ink: #0B1F1A;
  --panel: #102A23;
  --raise: #16332B;
  --rule: #24463C;
  --cy: #38F2D0;
  --or: #FF8A3D;
  --hi: #F2FFFB;
  --tx: #C8D6D1;
  --tx2: #8CA39C;
  --grad: #0E3A31;

  --rail-w: 236px;
  --maxw: 1180px;

  --r-s: 10px;
  --r-m: 16px;
  --r-l: 26px;

  --dur: 180ms;
  --ease: cubic-bezier(.2, .7, .3, 1);

  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-head: var(--font-body);
  --font-data: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;
}

/* ---------- 3. Base ---------- */
body {
  min-height: 100vh;
  color: var(--tx);
  font: 17px/1.85 var(--font-body);
  background-color: var(--ink);
  background-image:
    linear-gradient(to right, rgba(36, 70, 60, .34) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(36, 70, 60, .34) 1px, transparent 1px);
  background-size: 108px 100%, 100% 108px;
  background-attachment: fixed, fixed;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

::selection {
  background: rgba(56, 242, 208, .26);
  color: var(--hi);
}

a { color: var(--cy); text-decoration: none; }
a:hover { color: var(--hi); }

p { max-width: 72ch; }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--hi);
}

h1 { font-size: clamp(34px, 5.2vw, 60px); }
h2 { font-size: clamp(24px, 3vw, 32px); }
h3 { font-size: 20px; }
h4 { font-size: 17px; }

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

main { display: block; animation: gs-fade .18s var(--ease) both; }
@keyframes gs-fade { from { opacity: 0; } to { opacity: 1; } }

/* ---------- 4. Skip link ---------- */
.gs-skip {
  position: absolute;
  left: 14px;
  top: -70px;
  z-index: 300;
  padding: 11px 18px;
  border-radius: 0 0 12px 12px;
  background: var(--cy);
  color: #04211B;
  font: 700 14px/1 var(--font-body);
  letter-spacing: .02em;
  transition: top 140ms var(--ease);
}
.gs-skip:focus { top: 0; color: #04211B; }

/* ---------- 5. Header / rail ---------- */
.gs-header { position: relative; z-index: 60; }

.gs-scrim {
  position: fixed;
  inset: 0;
  z-index: 85;
  background: rgba(4, 14, 12, .66);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur) var(--ease), visibility var(--dur) var(--ease);
}
.gs-scrim[data-open] { opacity: 1; visibility: visible; }

.gs-rail {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 90;
  width: min(86vw, 320px);
  display: flex;
  flex-direction: column;
  padding: 20px 16px 22px;
  overflow-y: auto;
  overscroll-behavior: contain;
  background: linear-gradient(180deg, #102E26 0%, #0B1F1A 64%, #0B1F1A 100%);
  border-right: 1px solid var(--rule);
  transform: translateX(-102%);
  transition: transform var(--dur) var(--ease);
}
.gs-rail[data-open] {
  transform: none;
  box-shadow: 26px 0 64px rgba(0, 0, 0, .55);
}

/* brand */
.gs-brand {
  display: block;
  padding: 4px 0 20px;
  color: var(--hi);
  text-decoration: none;
}
.gs-brand__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-right: 10px;
  border-radius: 12px;
  background: linear-gradient(140deg, var(--cy), #12A48C);
  color: #04211B;
  font: 800 17px/1 var(--font-head);
  letter-spacing: -.04em;
  vertical-align: middle;
  box-shadow: 0 8px 22px rgba(56, 242, 208, .22);
}
.gs-brand__name {
  font: 800 19px/1.1 var(--font-head);
  letter-spacing: -.02em;
  vertical-align: middle;
}
.gs-brand__line {
  display: block;
  margin-top: 11px;
  color: var(--tx2);
  font: 500 12px/1.6 var(--font-data);
  letter-spacing: .08em;
}
.gs-brand--foot { padding-bottom: 10px; }

/* nav */
.gs-rail__nav {
  padding-top: 14px;
  border-top: 1px solid var(--rule);
}

.gs-navlist { display: flex; flex-direction: column; gap: 2px; }

.gs-navlink {
  display: grid;
  grid-template-columns: 28px 1fr;
  align-items: center;
  gap: 8px;
  padding: 10px 10px 10px 12px;
  border-left: 2px solid transparent;
  border-radius: 0 var(--r-s) var(--r-s) 0;
  color: var(--tx);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .01em;
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}
.gs-navlink__idx {
  color: var(--tx2);
  font: 600 11px/1 var(--font-data);
  letter-spacing: .1em;
}
.gs-navlink:hover { background: var(--raise); color: var(--hi); }
.gs-navlink:hover .gs-navlink__idx { color: var(--cy); }

.gs-navlink[aria-current="page"] {
  border-left-color: var(--cy);
  background: linear-gradient(90deg, rgba(56, 242, 208, .15), rgba(56, 242, 208, 0));
  color: var(--hi);
}
.gs-navlink[aria-current="page"] .gs-navlink__idx { color: var(--cy); }

/* rail footer */
.gs-rail__foot {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
  display: grid;
  gap: 12px;
}
.gs-rail__state {
  color: var(--tx2);
  font: 500 12px/1.7 var(--font-data);
  letter-spacing: .04em;
}
.gs-rail__state b { color: var(--cy); font-weight: 600; }

/* ---------- 6. Command bar ---------- */
.gs-cmd {
  position: sticky;
  top: 0;
  z-index: 60;
  padding: 0 clamp(14px, 3vw, 34px);
  background: rgba(11, 31, 26, .9);
  border-bottom: 1px solid var(--rule);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  backdrop-filter: blur(12px) saturate(140%);
}

.gs-cmd__row {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 58px;
}

.gs-cmd__toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 8px 12px 8px 10px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--raise);
  color: var(--hi);
  font: 700 13px/1 var(--font-body);
  letter-spacing: .04em;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.gs-cmd__toggle:hover { border-color: var(--cy); color: var(--cy); }

.gs-burger {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 16px;
  height: 12px;
}
.gs-burger i {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--cy);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.gs-cmd__toggle[aria-expanded="true"] .gs-burger i:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.gs-cmd__toggle[aria-expanded="true"] .gs-burger i:nth-child(2) { opacity: 0; }
.gs-cmd__toggle[aria-expanded="true"] .gs-burger i:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

.gs-cmd__where {
  display: flex;
  align-items: baseline;
  gap: 9px;
  margin: 0;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.gs-cmd__where-key {
  color: var(--tx2);
  font: 600 11px/1 var(--font-data);
  letter-spacing: .14em;
}
.gs-cmd__where-val {
  color: var(--hi);
  font: 700 15px/1.2 var(--font-head);
  letter-spacing: -.01em;
}

.gs-sub {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 0;
  padding: 6px 13px;
  border: 1px solid rgba(56, 242, 208, .34);
  border-radius: 999px;
  background: rgba(56, 242, 208, .08);
  white-space: nowrap;
}
.gs-sub__num {
  color: var(--cy);
  font: 700 14px/1 var(--font-data);
  font-variant-numeric: tabular-nums;
}
.gs-sub__txt {
  color: var(--tx2);
  font: 500 12px/1 var(--font-data);
  letter-spacing: .04em;
}

.gs-cmd__cta { margin-left: auto; flex: 0 0 auto; }

.gs-cmd__hint {
  display: flex;
  align-items: center;
  max-width: none;
  padding-bottom: 11px;
  color: var(--tx2);
  font: 500 12px/1.5 var(--font-data);
  letter-spacing: .04em;
}
.gs-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 9px;
  border-radius: 50%;
  background: var(--cy);
  box-shadow: 0 0 0 3px rgba(56, 242, 208, .16);
  flex: 0 0 auto;
}

.gs-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  overflow: hidden;
  background: var(--rule);
}
.gs-progress__bar {
  display: block;
  height: 100%;
  width: var(--p, 0%);
  background: linear-gradient(90deg, var(--cy) 0%, #7EF8E2 46%, var(--or) 100%);
}

/* ---------- 7. Buttons ---------- */
.gs-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--raise);
  color: var(--hi);
  font: 700 14px/1 var(--font-body);
  letter-spacing: .02em;
  text-decoration: none;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease),
    border-color var(--dur) var(--ease), color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}
.gs-btn:hover {
  transform: translateY(-2px);
  border-color: var(--cy);
  color: var(--cy);
}
.gs-btn--cta {
  border-color: transparent;
  background: linear-gradient(120deg, var(--cy), #1FBFA6);
  color: #04211B;
}
.gs-btn--cta:hover {
  color: #04211B;
  box-shadow: 0 12px 28px rgba(56, 242, 208, .24);
}
.gs-btn--ghost { background: transparent; }
.gs-btn--warm {
  border-color: rgba(255, 138, 61, .48);
  color: var(--or);
  background: rgba(255, 138, 61, .08);
}
.gs-btn--warm:hover { border-color: var(--or); color: var(--or); }

/* ---------- 8. Layout helpers ---------- */
.gs-container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 40px);
}

.gs-section { padding-block: clamp(34px, 5vw, 64px); }

.gs-grid {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

/* ---------- 9. Content components ---------- */
.gs-eyebrow {
  display: block;
  color: var(--cy);
  font: 600 12px/1.5 var(--font-data);
  letter-spacing: .18em;
}

.gs-lead {
  max-width: 66ch;
  color: var(--tx);
  font-size: 18px;
  line-height: 1.85;
}

.gs-band {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 20px;
  padding: 14px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: linear-gradient(90deg, rgba(56, 242, 208, .09), rgba(56, 242, 208, 0) 46%);
}
.gs-band__idx {
  color: var(--cy);
  font: 800 13px/1 var(--font-data);
  letter-spacing: .14em;
}
.gs-band__title {
  margin: 0;
  font-size: clamp(22px, 2.6vw, 30px);
}
.gs-band__lead {
  flex: 1 1 260px;
  min-width: 200px;
  max-width: 58ch;
  margin: 0;
  color: var(--tx2);
  font-size: 14.5px;
  line-height: 1.75;
}

.gs-panel {
  padding: clamp(16px, 2.4vw, 26px);
  border: 1px solid var(--rule);
  border-radius: var(--r-m);
  background: var(--panel);
}
.gs-raise {
  border: 1px solid var(--rule);
  border-radius: var(--r-m);
  background: var(--raise);
}

.gs-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 13px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--panel);
  color: var(--tx2);
  font: 600 12px/1 var(--font-data);
  letter-spacing: .06em;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease),
    background var(--dur) var(--ease);
}
.gs-tag:hover { border-color: var(--cy); color: var(--cy); }
.gs-tag--on {
  border-color: rgba(56, 242, 208, .55);
  background: rgba(56, 242, 208, .12);
  color: var(--cy);
}
.gs-tag--warm {
  border-color: rgba(255, 138, 61, .5);
  background: rgba(255, 138, 61, .1);
  color: var(--or);
}

.gs-metric { display: flex; flex-direction: column; gap: 5px; }
.gs-metric__k {
  color: var(--tx2);
  font: 600 11px/1.5 var(--font-data);
  letter-spacing: .14em;
}
.gs-metric__v {
  color: var(--hi);
  font: 800 clamp(26px, 4vw, 46px)/1 var(--font-head);
  letter-spacing: -.035em;
  font-variant-numeric: tabular-nums;
}
.gs-metric--cool .gs-metric__v { color: var(--cy); }
.gs-metric--warm .gs-metric__v { color: var(--or); }

.gs-num {
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
}

.gs-table {
  width: 100%;
  border-collapse: collapse;
  font: 500 15px/1.5 var(--font-data);
  font-variant-numeric: tabular-nums;
}
.gs-table th {
  padding: 10px 12px;
  border-bottom: 1px solid var(--rule);
  color: var(--tx2);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  text-align: left;
}
.gs-table td {
  padding: 11px 12px;
  border-bottom: 1px solid rgba(36, 70, 60, .62);
  color: var(--tx);
}
.gs-table th:last-child,
.gs-table td:last-child { text-align: right; }
.gs-table tbody tr { transition: background var(--dur) var(--ease); }
.gs-table tbody tr:hover { background: var(--raise); }

.gs-fold {
  border: 1px solid var(--rule);
  border-radius: var(--r-m);
  background: var(--panel);
  overflow: hidden;
}
.gs-fold + .gs-fold { margin-top: 10px; }
.gs-fold > summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 18px;
  color: var(--hi);
  font: 700 16px/1.45 var(--font-head);
  cursor: pointer;
  list-style: none;
}
.gs-fold > summary::-webkit-details-marker { display: none; }
.gs-fold > summary::after {
  content: "+";
  margin-left: auto;
  color: var(--cy);
  font: 700 18px/1 var(--font-data);
}
.gs-fold[open] > summary {
  border-bottom: 1px solid var(--rule);
  background: var(--raise);
}
.gs-fold[open] > summary::after { content: "–"; }
.gs-fold__body { padding: 16px 18px 20px; }

.gs-scroller {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 300px);
  gap: 14px;
  overflow-x: auto;
  padding: 6px 4px 18px;
  scroll-snap-type: x proximity;
  scrollbar-color: var(--rule) transparent;
}
.gs-scroller > * { scroll-snap-align: start; }

.gs-media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--rule);
  border-radius: var(--r-m);
  background: linear-gradient(150deg, var(--grad) 0%, var(--panel) 58%, var(--ink) 100%);
}
.gs-media::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(36, 70, 60, .5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(36, 70, 60, .5) 1px, transparent 1px);
  background-size: 44px 100%, 100% 44px;
  opacity: .5;
}
.gs-media::after {
  content: "";
  display: block;
  padding-top: 56.25%;
}
.gs-media > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.gs-media--wide::after { padding-top: 42%; }
.gs-media--sq::after { padding-top: 100%; }
.gs-media--tall::after { padding-top: 132%; }

.gs-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin-top: 22px;
  color: var(--tx2);
  font: 600 12px/1 var(--font-data);
  letter-spacing: .08em;
}
.gs-crumb a { color: var(--tx2); text-decoration: none; }
.gs-crumb a:hover { color: var(--cy); }
.gs-crumb__sep { color: var(--rule); }
.gs-crumb [aria-current] { color: var(--cy); }

/* ---------- 10. Reveal ---------- */
.gs-js [data-reveal] {
  opacity: 0;
  transform: translate3d(0, 14px, 0);
  transition: opacity .55s var(--ease), transform .55s var(--ease);
}
.gs-js [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ---------- 11. Footer ---------- */
.gs-footer {
  position: relative;
  margin-top: clamp(56px, 8vw, 116px);
  border-top: 1px solid var(--rule);
  background: linear-gradient(180deg, rgba(14, 58, 49, .6) 0%, var(--ink) 48%);
  overflow: hidden;
}
.gs-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cy) 16%, var(--or) 60%, transparent);
  opacity: .68;
}

.gs-footer__inner {
  max-width: var(--maxw);
  margin-inline: auto;
  padding: clamp(40px, 6vw, 76px) clamp(16px, 4vw, 40px) clamp(28px, 4vw, 46px);
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  grid-template-columns: 1fr;
}

.gs-footer__tag {
  margin-top: 10px;
  color: var(--tx);
  font: 600 14px/1.7 var(--font-body);
  letter-spacing: .02em;
}
.gs-footer__note {
  margin-top: 12px;
  max-width: 40ch;
  color: var(--tx2);
  font-size: 13.5px;
  line-height: 1.8;
}

.gs-footer__cols {
  display: grid;
  gap: 26px;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
}

.gs-footer__title {
  margin-bottom: 12px;
  color: var(--tx2);
  font: 600 12px/1 var(--font-data);
  letter-spacing: .16em;
}

.gs-footer__list { display: grid; gap: 2px; }

.gs-footer__link {
  display: inline-block;
  padding: 4px 0;
  color: var(--tx);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.gs-footer__link:hover { color: var(--cy); transform: translateX(3px); }

.gs-dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 7px 16px;
  margin-bottom: 14px;
}
.gs-dl dt {
  color: var(--tx2);
  font: 600 11px/1.9 var(--font-data);
  letter-spacing: .12em;
}
.gs-dl dd {
  color: var(--tx);
  font-size: 14px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.gs-footer__reach {
  max-width: 42ch;
  color: var(--tx2);
  font-size: 13px;
  line-height: 1.8;
}

.gs-footer__legal {
  border-top: 1px solid var(--rule);
  padding: 20px clamp(16px, 4vw, 40px) 30px;
}
.gs-footer__legal-in {
  max-width: var(--maxw);
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  color: var(--tx2);
  font: 500 12px/1.7 var(--font-data);
  letter-spacing: .06em;
}
.gs-footer__legal-in p { max-width: none; }

/* ---------- 12. Responsive ---------- */
@media (min-width: 760px) {
  .gs-footer__inner {
    grid-template-columns: minmax(220px, 1.15fr) minmax(260px, 1.5fr);
  }
}

@media (min-width: 1080px) {
  body { padding-left: var(--rail-w); }

  .gs-rail {
    width: var(--rail-w);
    z-index: 80;
    transform: none;
    box-shadow: none;
    transition: none;
  }

  .gs-scrim { display: none; }

  .gs-cmd {
    padding-inline: clamp(24px, 3.4vw, 46px);
  }
  .gs-cmd__row { min-height: 62px; }

  .gs-footer__inner {
    grid-template-columns: minmax(230px, 1.1fr) minmax(280px, 1.45fr) minmax(240px, 1.1fr);
  }
}

@media (max-width: 1079px) {
  .gs-cmd__toggle { display: inline-flex; }
}

@media (max-width: 719px) {
  body { font-size: 16px; }

  .gs-cmd__hint { display: none; }
  .gs-cmd__row { min-height: 54px; gap: 10px; }
  .gs-cmd__where-key { display: none; }
  .gs-sub { display: none; }
  .gs-cmd__cta { padding: 9px 15px; font-size: 13px; }
  .gs-cmd__toggle-txt { display: none; }
  .gs-cmd__toggle { padding: 8px 11px; }

  .gs-crumb { margin-top: 16px; }
  .gs-band { gap: 6px 14px; }
}

/* ---------- 13. Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }

  .gs-js [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
}