/* ============================================================
   金年会娱乐场 · 数据看台  /assets/site.css
   共享外壳样式：重置 / 变量 / 中文排版 / 头部 / 页脚 / 基础组件
   ============================================================ */

/* ---------- 01 重置 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--topbar-h) + 16px);
}

body {
  margin: 0;
  background-color: var(--ink-800);
  background-image:
    radial-gradient(1100px 620px at 88% -12%, rgba(0, 229, 199, 0.10), transparent 62%),
    radial-gradient(900px 520px at 2% 108%, rgba(242, 178, 51, 0.08), transparent 62%),
    linear-gradient(rgba(126, 156, 146, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126, 156, 146, 0.055) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 52px 52px, 52px 52px;
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.78;
  font-weight: 400;
  letter-spacing: 0.01em;
  overflow-x: hidden;
}

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

button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }

ul, ol { margin: 0 0 1.1em; padding-left: 1.25em; }
li { margin: 0; }

a { color: var(--cyan); text-underline-offset: 3px; }
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 2px;
}

hr { border: 0; }

/* ---------- 02 变量 ---------- */
:root {
  /* 色板 */
  --ink-900: #05201D;
  --ink-800: #0B2B26;
  --ink-700: #0F3A33;
  --grad-start: #0D4A40;
  --cyan: #00E5C7;
  --amber: #F2B233;
  --cream: #F5F0E6;
  --brown: #1A1410;
  --sage: #7E9C92;
  --ember: #E0643A;

  /* 字体 */
  --font-display: "Oswald", "Bebas Neue", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", "SFMono-Regular", Consolas, "Liberation Mono", "Courier New", monospace;

  /* 尺寸节奏 */
  --wrap: 1280px;
  --header-h: 66px;
  --ticker-h: 28px;
  --topbar-h: 94px;
  --gutter: 22px;
  --hair: rgba(126, 156, 146, 0.22);
  --hair-cyan: rgba(0, 229, 199, 0.28);
}

/* ---------- 03 中文排版 ---------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.16;
  letter-spacing: 0.02em;
  margin: 0 0 0.5em;
  color: var(--cream);
}
h1 { font-size: clamp(2.05rem, 5.2vw, 3.6rem); letter-spacing: 0.01em; }
h2 { font-size: clamp(1.45rem, 3vw, 2.15rem); }
h3 { font-size: clamp(1.08rem, 1.8vw, 1.32rem); }
h4 { font-size: 1rem; letter-spacing: 0.06em; }

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

strong { color: var(--cream); font-weight: 700; }
small { font-size: 0.8rem; color: var(--sage); }

::selection { background: var(--cyan); color: var(--ink-900); }

/* ---------- 04 通用工具 ---------- */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: -80px;
  left: 16px;
  z-index: 300;
  padding: 11px 20px;
  background: var(--cyan);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% 66%, calc(100% - 12px) 100%, 0 100%);
  transition: top 0.22s ease;
}
.skip-link:focus { top: 14px; }

.container {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: 880px; }

.section { padding-block: clamp(46px, 6vw, 92px); }

.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: clamp(20px, 3vw, 38px);
}

.rule {
  height: 1px;
  width: 100%;
  margin: 0;
  background: linear-gradient(90deg,
    rgba(0, 229, 199, 0.55) 0%,
    rgba(242, 178, 51, 0.38) 42%,
    rgba(126, 156, 146, 0.14) 78%,
    transparent 100%);
}

.grid { display: grid; gap: clamp(16px, 2vw, 28px); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.label-index {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--amber);
}
.label-index::before {
  content: "";
  width: 20px;
  height: 1px;
  background: var(--amber);
  flex: 0 0 auto;
}

.num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.num--xl {
  font-size: clamp(2rem, 4.4vw, 3.1rem);
  line-height: 1;
  color: var(--cyan);
  display: block;
}

.tag {
  display: inline-block;
  padding: 4px 10px 3px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sage);
  border: 1px solid var(--hair);
  background: rgba(11, 43, 38, 0.65);
}
.tag--cyan { color: var(--cyan); border-color: var(--hair-cyan); background: rgba(0, 229, 199, 0.09); }
.tag--amber { color: var(--amber); border-color: rgba(242, 178, 51, 0.5); background: rgba(242, 178, 51, 0.09); }
.tag--ember { color: var(--ember); border-color: rgba(224, 100, 58, 0.55); background: rgba(224, 100, 58, 0.1); }

/* ---------- 05 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 11px 20px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1em;
  line-height: 1.2;
  text-decoration: none;
  color: var(--cream);
  border: 1px solid transparent;
  background: none;
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% 64%, calc(100% - 13px) 100%, 0 100%);
  transition: background-color 0.22s ease, color 0.22s ease, border-color 0.22s ease;
}
.btn--solid { background: var(--cyan); color: var(--ink-900); }
.btn--solid:hover { background: var(--amber); color: var(--ink-900); }
.btn--outline { border-color: var(--hair-cyan); color: var(--cyan); }
.btn--outline:hover { background: rgba(0, 229, 199, 0.12); border-color: var(--cyan); color: var(--cyan); }
.btn--block { width: 100%; }

/* ---------- 06 面板 / 展签 ---------- */
.panel {
  position: relative;
  padding: clamp(18px, 2.4vw, 30px);
  background: var(--ink-700);
  border: 1px solid var(--hair);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  transition: border-color 0.24s ease, background-color 0.24s ease;
}
.panel--interactive:hover { border-color: var(--hair-cyan); background: #114139; }
.panel--cream { background: var(--cream); color: var(--brown); border-color: rgba(26, 20, 16, 0.16); }
.panel--cream h2, .panel--cream h3, .panel--cream h4 { color: var(--brown); }
.panel--cream p { color: rgba(26, 20, 16, 0.78); }

/* ---------- 07 面包屑 ---------- */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--sage);
}
.breadcrumbs__item { display: inline-flex; align-items: center; gap: 9px; }
.breadcrumbs__item + .breadcrumbs__item::before { content: "/"; color: rgba(126, 156, 146, 0.6); }
.breadcrumbs__link { color: var(--sage); text-decoration: none; transition: color 0.2s ease; }
.breadcrumbs__link:hover { color: var(--cyan); }
.breadcrumbs__item[aria-current="page"] { color: var(--cream); }

/* ---------- 08 图片容器（页面阶段放置占位） ---------- */
.media-frame {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  background: var(--ink-700);
  border: 1px solid var(--hair);
}
.media-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(0, 229, 199, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 199, 0.1) 1px, transparent 1px);
  background-size: 34px 34px;
  pointer-events: none;
}
.media-frame__media,
.media-frame > img,
.media-frame > svg {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--16x9 { aspect-ratio: 16 / 9; }
.media-frame--4x3 { aspect-ratio: 4 / 3; }
.media-frame--1x1 { aspect-ratio: 1 / 1; }
.media-frame--cut { clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%); }
.media-frame__caption {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--sage);
}

/* ---------- 09 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}
.site-header.is-solid {
  background: rgba(5, 32, 29, 0.96);
  border-bottom-color: var(--hair-cyan);
  box-shadow: 0 22px 46px -30px rgba(0, 0, 0, 0.95);
}

/* 刷新计时带 */
.ticker {
  background: linear-gradient(90deg, rgba(13, 74, 64, 0.92), rgba(5, 32, 29, 0.92) 70%);
  border-bottom: 1px solid rgba(0, 229, 199, 0.14);
}
.ticker__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 5px var(--gutter);
  min-height: var(--ticker-h);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--sage);
}
.ticker__dot {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  animation: tickerPulse 2.4s ease-out infinite;
}
@keyframes tickerPulse {
  0% { box-shadow: 0 0 0 0 rgba(0, 229, 199, 0.55); }
  70% { box-shadow: 0 0 0 9px rgba(0, 229, 199, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 229, 199, 0); }
}
.ticker__label {
  flex: 0 0 auto;
  color: rgba(245, 240, 230, 0.82);
  white-space: nowrap;
}
.ticker__track {
  position: relative;
  flex: 1 1 auto;
  min-width: 56px;
  height: 2px;
  background: rgba(126, 156, 146, 0.26);
  overflow: hidden;
}
.ticker__fill {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 100%;
  background: linear-gradient(90deg, var(--grad-start), var(--cyan));
  transition: width 0.2s linear;
}
.ticker__value {
  flex: 0 0 auto;
  min-width: 58px;
  text-align: right;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.08em;
}

/* 导航条 */
.site-header__inner {
  display: flex;
  align-items: center;
  gap: 20px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
  min-height: var(--header-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  text-decoration: none;
  color: var(--cream);
}
.brand__mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink-900);
  background: linear-gradient(140deg, var(--cyan), #0aa38f);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 68% 100%, 0 100%);
}
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--cream);
}
.brand__sub {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--sage);
}
.brand:hover .brand__name { color: var(--cyan); }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  padding: 10px 14px;
  color: var(--cream);
  border: 1px solid var(--hair-cyan);
  background: rgba(0, 229, 199, 0.08);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  clip-path: polygon(0 0, 100% 0, 100% 66%, calc(100% - 11px) 100%, 0 100%);
  transition: background-color 0.22s ease, border-color 0.22s ease;
}
.nav-toggle:hover { background: rgba(0, 229, 199, 0.16); border-color: var(--cyan); }
.nav-toggle__bars { position: relative; width: 18px; height: 12px; flex: 0 0 auto; }
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: currentColor;
  transition: transform 0.25s ease, top 0.25s ease, bottom 0.25s ease;
}
.nav-toggle__bars::before { top: 1px; }
.nav-toggle__bars::after { bottom: 1px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { top: 5px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { bottom: 5px; transform: rotate(-45deg); }
.nav-toggle__label { white-space: nowrap; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-left: auto;
}
.site-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: nav;
}
.site-nav__item { counter-increment: nav; }
.site-nav__link {
  position: relative;
  display: block;
  padding: 9px 11px 10px;
  color: var(--cream);
  font-size: 14.5px;
  letter-spacing: 0.08em;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}
.site-nav__link::before {
  content: "0" counter(nav);
  margin-right: 7px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0;
  color: var(--sage);
  transition: color 0.2s ease;
}
.site-nav__link:hover {
  color: var(--cyan);
  background: rgba(0, 229, 199, 0.07);
  border-bottom-color: rgba(0, 229, 199, 0.5);
}
.site-nav__link:hover::before { color: var(--amber); }
.site-nav__link[aria-current="page"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.site-nav__link[aria-current="page"]::before { color: var(--amber); }
.site-nav__cta { flex: 0 0 auto; }

.scroll-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, var(--grad-start), var(--cyan) 62%, var(--amber));
  pointer-events: none;
  transition: width 0.12s linear;
}

/* ---------- 10 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(56px, 9vw, 118px);
  background: linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 100%);
  border-top: 1px solid var(--hair-cyan);
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 10px;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(0, 229, 199, 0.42) 0 1px, transparent 1px 26px),
    repeating-linear-gradient(90deg, rgba(242, 178, 51, 0.34) 0 1px, transparent 1px 138px);
}
.site-footer__inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(40px, 6vw, 74px) var(--gutter) 28px;
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(258px, 4fr) 7fr;
  gap: clamp(28px, 4vw, 64px);
}

.footer-brand__mark {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan);
  border: 1px solid var(--hair-cyan);
  background: rgba(0, 229, 199, 0.07);
  clip-path: polygon(0 0, 100% 0, 100% 70%, 70% 100%, 0 100%);
}
.footer-brand__name {
  margin: 16px 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--cream);
}
.footer-brand__suffix {
  display: inline-block;
  margin-left: 9px;
  vertical-align: 2px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.24em;
  color: var(--amber);
}
.footer-brand__note {
  margin: 0;
  max-width: 44ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sage);
}
.footer-placard {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin: 22px 0 0;
  padding: 12px 14px;
  border-left: 2px solid var(--amber);
  background: rgba(242, 178, 51, 0.06);
}
.footer-placard__index {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--amber);
}
.footer-placard__text {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--sage);
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 40px);
}
.footer-col__title {
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hair);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cream);
}
.footer-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.footer-list__item { margin: 0; }
.footer-link {
  display: inline-block;
  font-size: 14px;
  color: var(--sage);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease, padding-left 0.2s ease;
}
.footer-link:hover {
  color: var(--cyan);
  border-bottom-color: rgba(0, 229, 199, 0.6);
  padding-left: 4px;
}
.footer-list--contact { gap: 13px; }
.footer-contact__item { display: flex; flex-direction: column; gap: 2px; }
.footer-contact__key {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--sage);
}
.footer-contact__val {
  font-size: 14px;
  line-height: 1.6;
  color: var(--cream);
  word-break: break-word;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 26px;
  margin-top: clamp(32px, 4vw, 54px);
  padding-top: 20px;
  border-top: 1px dashed rgba(126, 156, 146, 0.32);
}
.footer-legal {
  margin: 0;
  font-size: 13px;
  color: var(--sage);
}
.footer-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: rgba(126, 156, 146, 0.85);
}

/* ---------- 11 显现微交互 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- 12 响应式 ---------- */
@media (max-width: 1080px) {
  .site-nav { gap: 14px; }
  .site-nav__link { padding: 9px 8px 10px; font-size: 14px; }
  .site-nav__link::before { margin-right: 5px; }
}

@media (max-width: 980px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-top { grid-template-columns: minmax(0, 1fr); }
  .footer-cols { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 960px) {
  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 6;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-left: 0;
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    overflow: hidden;
    background: var(--ink-900);
    border-top: 1px solid var(--hair-cyan);
    border-bottom: 1px solid var(--hair-cyan);
    box-shadow: 0 34px 64px -34px rgba(0, 0, 0, 0.96);
    transition: max-height 0.38s ease, opacity 0.28s ease, visibility 0.38s ease;
  }
  .site-nav[data-open] {
    max-height: min(78vh, 560px);
    overflow-y: auto;
    opacity: 1;
    visibility: visible;
  }
  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 6px 0;
  }
  .site-nav__item { border-bottom: 1px solid rgba(126, 156, 146, 0.16); }
  .site-nav__link {
    padding: 15px 22px;
    font-size: 15px;
    border-bottom: 0;
    border-left: 2px solid transparent;
  }
  .site-nav__link:hover { border-left-color: rgba(0, 229, 199, 0.5); border-bottom-color: transparent; }
  .site-nav__link[aria-current="page"] {
    border-bottom-color: transparent;
    border-left-color: var(--cyan);
    background: rgba(0, 229, 199, 0.07);
  }
  .site-nav__cta { margin: 16px 22px 22px; }
}

@media (max-width: 720px) {
  .ticker__label { display: none; }
  .brand__sub { display: none; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: minmax(0, 1fr); }
  .footer-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  :root { --gutter: 16px; }
  .footer-cols { grid-template-columns: minmax(0, 1fr); }
  .brand__mark { width: 34px; height: 34px; font-size: 11px; }
  .brand__name { font-size: 15px; letter-spacing: 0.1em; }
}

/* ---------- 13 动效退让 ---------- */
@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 !important; transform: none !important; }
  .ticker__dot { animation: none; box-shadow: none; }
}