/* ============================================================
   微玩体育主站 — /assets/site.css
   共享外壳：reset / 变量 / 中文排版 / 头部 / 页脚 / 基础组件
   ============================================================ */

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

html,
body,
h1, h2, h3, h4, h5, h6,
p, ul, ol, li, figure, blockquote, dl, dt, dd {
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  tab-size: 4;
}

ul, ol { list-style: none; }
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: 0;
  cursor: pointer;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

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

/* ---------- 变量 ---------- */
:root {
  --c-ink: #0A1220;
  --c-panel: #16263C;
  --c-cyan: #25D8E8;
  --c-orange: #FF7A29;
  --c-lime: #B4F94A;
  --c-grey: #7C8DA3;
  --c-moss: #3F8A63;
  --c-paper: #F2F5F7;
  --c-mist: #DCE3EA;

  --c-line: rgba(124, 141, 163, 0.26);
  --c-line-strong: rgba(124, 141, 163, 0.5);
  --c-cyan-soft: rgba(37, 216, 232, 0.1);
  --c-orange-soft: rgba(255, 122, 41, 0.14);

  --font-display: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-data: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;

  --rail-w: 260px;
  --shell: 1320px;
  --gut: clamp(16px, 3vw, 40px);
  --radius: 0;

  --dur: 160ms;
  --dur-slow: 200ms;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);

  --cut: 22px;
  --cut-sm: 10px;
}

/* ---------- 中文排版与页面底色 ---------- */
body {
  min-height: 100%;
  overflow-x: hidden;
  background-color: var(--c-ink);
  background-image:
    linear-gradient(115deg, rgba(37, 216, 232, 0.05) 0 1px, transparent 1px 190px),
    linear-gradient(295deg, rgba(255, 122, 41, 0.045) 0 1px, transparent 1px 230px);
  color: var(--c-paper);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

p { text-wrap: pretty; }

strong, b { font-weight: 700; }

code, kbd, samp, time, .mono {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

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

/* ---------- 布局容器 ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gut);
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 20px;
}

.prose {
  max-width: 68ch;
  font-size: 17px;
  line-height: 1.8;
  color: #d9e1ea;
}

.prose > * + * { margin-top: 1.1em; }
.prose h2 { font-size: clamp(24px, 3vw, 32px); }
.prose h3 { font-size: clamp(19px, 2.2vw, 23px); }
.prose a {
  color: var(--c-cyan);
  border-bottom: 1px solid rgba(37, 216, 232, 0.4);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.prose a:hover { border-bottom-color: var(--c-cyan); }

/* ---------- skip link ---------- */
.skip-link {
  position: absolute;
  left: 12px;
  top: -80px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--c-lime);
  color: var(--c-ink);
  font-size: 14px;
  font-weight: 700;
  clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  transition: top var(--dur) var(--ease);
}
.skip-link:focus {
  top: 12px;
}

/* ============================================================
   头部
   ============================================================ */
.site-header {
  position: relative;
  z-index: 40;
  background: linear-gradient(180deg, #0d182a 0%, rgba(10, 18, 32, 0.96) 100%);
  border-bottom: 1px solid var(--c-line);
}

.scroll-meter {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  overflow: hidden;
  background: transparent;
}
.scroll-meter__fill {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--c-cyan) 0%, var(--c-orange) 58%, var(--c-lime) 100%);
}

/* 品牌条 */
.header-brandbar__inner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-block: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  transition: transform var(--dur) var(--ease);
}
.brand:hover { transform: translateX(4px); }

.brand__mark {
  flex: none;
  width: 26px;
  height: 26px;
  background: linear-gradient(135deg, var(--c-cyan) 0%, var(--c-orange) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 62%, 62% 100%, 0 100%);
}

.brand__words { min-width: 0; }

.brand__name {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  line-height: 1.25;
  color: var(--c-paper);
}

.brand__tag {
  display: block;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.09em;
  color: var(--c-grey);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-stamp {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-grey);
  white-space: nowrap;
}
.header-stamp__dot {
  width: 7px;
  height: 7px;
  flex: none;
  border-radius: 50%;
  background: var(--c-lime);
  box-shadow: 0 0 0 3px rgba(180, 249, 74, 0.16);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.32; }
}

.header-mail {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--c-grey);
  white-space: nowrap;
}

.header-cta { flex: none; }

/* 赛事日历时间轴 */
.calstrip {
  position: relative;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  background: linear-gradient(180deg, rgba(22, 38, 60, 0.6) 0%, rgba(10, 18, 32, 0) 100%);
}
.calstrip__inner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-block: 9px;
}

.calstrip__label {
  flex: none;
  padding: 2px 9px;
  border: 1px solid rgba(180, 249, 74, 0.36);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-lime);
  white-space: nowrap;
}

.calstrip__track {
  display: flex;
  align-items: center;
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
}
.calstrip__track::-webkit-scrollbar { display: none; }

.calstrip__node {
  position: relative;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 3px 15px;
  border-left: 1px solid var(--c-line);
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--c-grey);
  cursor: default;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.calstrip__node:first-child { border-left: 0; }
.calstrip__node:last-child { border-right: 1px solid var(--c-line); }

.calstrip__tick {
  width: 6px;
  height: 6px;
  flex: none;
  background: var(--c-grey);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  transition: background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.calstrip__node:hover,
.calstrip__node:focus-within {
  background: var(--c-cyan-soft);
  color: var(--c-paper);
}
.calstrip__node:hover .calstrip__tick,
.calstrip__node:focus-within .calstrip__tick {
  background: var(--c-cyan);
  transform: translateX(4px);
}

.calstrip__node.is-live { color: var(--c-orange); }
.calstrip__node.is-live .calstrip__tick {
  background: var(--c-orange);
  box-shadow: 0 0 0 3px rgba(255, 122, 41, 0.18);
}

.calstrip__tail {
  flex: none;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-grey);
  white-space: nowrap;
}
.calstrip__cursor {
  color: var(--c-orange);
  font-weight: 700;
}

/* 主栏目条 */
.header-nav {
  background: #0b1421;
}
.header-nav__inner {
  display: flex;
  align-items: stretch;
}

.site-nav { flex: 1 1 auto; min-width: 0; }

.site-nav__list {
  display: flex;
  align-items: stretch;
  flex-wrap: wrap;
}

.site-nav__link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 15px 18px;
  font-size: 15px;
  font-weight: 600;
  color: #c6d1e0;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.site-nav__link::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 0;
  height: 2px;
  background: var(--c-cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur-slow) var(--ease);
}
.site-nav__link:hover {
  color: var(--c-paper);
  background: var(--c-cyan-soft);
}
.site-nav__link:hover::after { transform: scaleX(1); }

.site-nav__link[aria-current="page"] {
  color: var(--c-cyan);
}
.site-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-nav__count {
  font-family: var(--font-data);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  color: var(--c-grey);
}
.site-nav__link[aria-current="page"] .site-nav__count { color: var(--c-cyan); }

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  flex: none;
  padding: 9px 13px;
  border: 1px solid var(--c-line-strong);
  color: var(--c-paper);
  font-size: 13px;
  font-weight: 600;
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.nav-toggle:hover {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
  background: var(--c-cyan-soft);
}
.nav-toggle__bars {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--c-cyan);
  box-shadow: 0 5px 0 var(--c-cyan), 0 -5px 0 var(--c-cyan);
}
.nav-toggle[aria-expanded="true"] {
  border-color: var(--c-orange);
  color: var(--c-orange);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars {
  background: var(--c-orange);
  box-shadow: 0 5px 0 var(--c-orange), 0 -5px 0 var(--c-orange);
}

/* 左侧固定索引栏 */
.rail {
  display: none;
}

/* ============================================================
   按钮 / 标签 / 面板 / 图片容器
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  white-space: nowrap;
  clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease),
              border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn:hover { transform: translateX(5px); }

.btn--cyan {
  background: var(--c-cyan);
  color: #031018;
}
.btn--cyan:hover { background: var(--c-paper); }

.btn--orange {
  background: var(--c-orange);
  color: #1a0a01;
}
.btn--orange:hover { background: var(--c-lime); }

.btn--ghost {
  border-color: var(--c-line-strong);
  color: var(--c-paper);
}
.btn--ghost:hover {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
  background: var(--c-cyan-soft);
}
.btn--ghost.is-on {
  border-color: var(--c-lime);
  color: var(--c-lime);
  background: rgba(180, 249, 74, 0.1);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid var(--c-line-strong);
  font-family: var(--font-data);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.07em;
  color: var(--c-grey);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease),
              background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.tag:hover { transform: translateX(4px); }
.tag--lime {
  border-color: rgba(180, 249, 74, 0.5);
  color: var(--c-lime);
}
.tag--lime:hover { background: rgba(180, 249, 74, 0.1); }
.tag--cyan {
  border-color: rgba(37, 216, 232, 0.5);
  color: var(--c-cyan);
}
.tag--cyan:hover { background: var(--c-cyan-soft); }
.tag--orange {
  border-color: rgba(255, 122, 41, 0.5);
  color: var(--c-orange);
}
.tag--orange:hover { background: var(--c-orange-soft); }
.tag--moss {
  border-color: rgba(63, 138, 99, 0.6);
  color: #6fc196;
}
.tag--moss:hover { background: rgba(63, 138, 99, 0.14); }

.panel {
  position: relative;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  padding: 24px;
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}
.panel--light {
  background: var(--c-mist);
  border-color: rgba(10, 18, 32, 0.14);
  color: var(--c-ink);
}

.media {
  position: relative;
  overflow: hidden;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}
.media > img,
.media > video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.media--wide { aspect-ratio: 16 / 9; }
.media--square { aspect-ratio: 1 / 1; }
.media--tall { aspect-ratio: 3 / 4; }
.media--banner { aspect-ratio: 21 / 9; }
.media__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 8px 14px;
  background: rgba(10, 18, 32, 0.82);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.07em;
  color: var(--c-lime);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 20px 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-grey);
}
.breadcrumb a {
  transition: color var(--dur) var(--ease);
}
.breadcrumb a:hover { color: var(--c-cyan); }
.breadcrumb__sep {
  color: var(--c-grey);
  opacity: 0.55;
}
.breadcrumb [aria-current="page"] { color: var(--c-lime); }

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
  margin-top: clamp(48px, 7vw, 88px);
  background: #0b1421;
  border-top: 1px solid var(--c-line);
}

.footer-collect {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) auto;
  align-items: center;
  gap: 24px 32px;
  padding-block: 38px 30px;
  border-bottom: 1px solid var(--c-line);
}
.footer-collect::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 0 60%, rgba(37, 216, 232, 0.07) 60% 100%);
  pointer-events: none;
}

.footer-collect__lead { position: relative; }

.footer-collect__kicker {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-orange);
}
.footer-collect__title {
  margin-top: 6px;
  font-size: clamp(22px, 3vw, 30px);
  color: var(--c-paper);
}
.footer-collect__text {
  margin-top: 8px;
  max-width: 46ch;
  font-size: 14px;
  color: var(--c-grey);
}

.footer-collect__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

.footer-versions {
  position: relative;
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
  padding-block: 38px;
  border-bottom: 1px solid var(--c-line);
}

.footer-col__title {
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-line);
}
.footer-col__list {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.footer-link {
  display: inline-block;
  font-size: 14px;
  color: #bcc7d6;
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.footer-link:hover {
  color: var(--c-cyan);
  transform: translateX(4px);
}
.footer-note {
  display: inline-block;
  font-size: 13px;
  color: var(--c-grey);
}

.footer-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.7fr);
  gap: 24px 32px;
  padding-block: 34px;
  border-bottom: 1px solid var(--c-line);
}

.footer-contact__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.footer-contact__slogan {
  font-size: 14px;
  color: var(--c-paper);
}

.footer-contact__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 28px;
}
.footer-contact__item dt {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.11em;
  color: var(--c-grey);
}
.footer-contact__item dd {
  margin-top: 3px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.footer-contact__value {
  font-size: 14px;
  color: var(--c-paper);
  word-break: break-all;
}

.copy-btn {
  padding: 2px 9px;
  border: 1px solid var(--c-line-strong);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.07em;
  color: var(--c-grey);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease),
              background-color var(--dur) var(--ease);
}
.copy-btn:hover {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
  background: var(--c-cyan-soft);
}
.copy-btn.is-done {
  border-color: var(--c-lime);
  color: var(--c-lime);
  background: rgba(180, 249, 74, 0.1);
}
.copy-btn.is-failed {
  border-color: var(--c-orange);
  color: var(--c-orange);
}

.footer-contact__note {
  grid-column: 1 / -1;
  font-size: 13px;
  color: var(--c-grey);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding-block: 18px 28px;
}
.footer-legal__copy {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--c-grey);
}
.footer-legal__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}
.footer-legal__links .footer-link {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--c-grey);
}
.footer-legal__links .footer-link:hover { color: var(--c-cyan); }

/* ============================================================
   响应式
   ============================================================ */

/* 大桌面：启用左侧固定索引栏 */
@media (min-width: 1200px) {
  body {
    padding-left: var(--rail-w);
  }

  .rail {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--rail-w);
    z-index: 60;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 26px 20px;
    background: #0c1524;
    border-right: 1px solid var(--c-line);
    overflow-y: auto;
  }

  .rail__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--c-line);
    font-family: var(--font-data);
    font-size: 11px;
    letter-spacing: 0.16em;
    color: var(--c-grey);
  }
  .rail__code { color: var(--c-lime); }

  .rail__list {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  .rail__item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 14px;
    border-left: 2px solid transparent;
    font-size: 14px;
    color: #bcc7d6;
    transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease),
                border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
  }
  .rail__item:hover {
    background: var(--c-panel);
    border-left-color: var(--c-cyan);
    color: var(--c-paper);
    transform: translateX(4px);
  }

  .rail__item--anchor {
    padding-right: 20px;
    font-weight: 700;
    color: var(--c-paper);
    background: linear-gradient(90deg, var(--c-orange-soft) 0%, rgba(255, 122, 41, 0) 100%);
    border-left: 2px solid var(--c-orange);
    clip-path: polygon(0 0, 100% 0, calc(100% - 14px) 100%, 0 100%);
  }
  .rail__item--anchor:hover {
    color: var(--c-orange);
    background: linear-gradient(90deg, rgba(255, 122, 41, 0.24) 0%, rgba(255, 122, 41, 0) 100%);
  }

  .rail__dot {
    width: 7px;
    height: 7px;
    flex: none;
    border-radius: 50%;
    background: var(--c-orange);
    box-shadow: 0 0 0 3px rgba(255, 122, 41, 0.18);
    animation: pulse 2.2s ease-in-out infinite;
  }
}

/* 平板 */
@media (max-width: 1024px) {
  .header-mail { display: none; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-contact { grid-template-columns: minmax(0, 1fr); }
  .footer-collect { grid-template-columns: minmax(0, 1fr); }
  .footer-collect__actions { justify-content: flex-start; }
}

/* 手机与窄平板：移动导航 */
@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }

  .header-brandbar__inner {
    flex-wrap: wrap;
    row-gap: 10px;
  }

  .header-stamp {
    order: 3;
    width: 100%;
    margin-left: 0;
    font-size: 11px;
  }

  .header-cta {
    margin-left: auto;
    padding: 9px 14px;
    font-size: 13px;
  }

  .calstrip__label { display: none; }
  .calstrip__tail { display: none; }
  .calstrip__inner { padding-block: 8px; }

  .header-nav__inner { padding-inline: 0; }

  .site-nav {
    width: 100%;
    border-top: 1px solid var(--c-line);
  }

  .site-nav[data-open="false"] { display: none; }

  .site-nav[data-open="true"] {
    display: block;
    background: #0b1421;
  }

  .site-nav__list {
    flex-direction: column;
    padding: 8px 16px 16px;
  }

  .site-nav__item + .site-nav__item { border-top: 1px solid var(--c-line); }

  .site-nav__link {
    justify-content: space-between;
    padding: 14px 12px;
    border-left: 2px solid transparent;
  }
  .site-nav__link::after { display: none; }
  .site-nav__link:hover { transform: translateX(4px); }
  .site-nav__link[aria-current="page"] {
    border-left-color: var(--c-cyan);
    background: var(--c-cyan-soft);
  }

  .footer-contact__list { grid-template-columns: minmax(0, 1fr); }
  .footer-legal { flex-direction: column; align-items: flex-start; }
  .btn { padding: 9px 15px; font-size: 13px; }
}

@media (max-width: 560px) {
  .header-stamp { display: none; }
  .header-cta { order: 3; margin-left: 0; width: 100%; }
  .nav-toggle { margin-left: auto; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .footer-collect__actions { flex-direction: column; align-items: stretch; }
  .footer-collect__actions .btn { width: 100%; }
  .panel { padding: 18px; }
}

/* 分隔线工具类 */
.rule-line {
  height: 1px;
  background: var(--c-line);
  border: 0;
}

/* ---------- 降低动效 ---------- */
@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;
  }

  .btn:hover,
  .brand:hover,
  .footer-link:hover,
  .rail__item:hover,
  .tag:hover,
  .calstrip__node:hover .calstrip__tick {
    transform: none;
  }
}