/* ============================================================
   德信赛场 · 共享样式 /assets/site.css
   夜间赛事数据台：深墨绿承载信息，电光青记录数字，信号橙指向动作
   ============================================================ */

:root {
  --ink-900: #06110F;
  --ink-800: #0C1F1B;
  --ink-700: #13302A;
  --jade-600: #14624F;
  --cyan-500: #2BE3C6;
  --cyan-600: #0FB39A;
  --orange-500: #FF7A2F;
  --orange-600: #D95B14;
  --paper-50: #F4FBF8;
  --paper-100: #E6F2EE;
  --mist-400: #6E8A84;
  --text-dark: #EAF7F3;
  --text-light: #1B2B27;

  --grad-jade: linear-gradient(135deg, #2BE3C6 0%, #14624F 55%, #0C1F1B 100%);
  --grad-band: linear-gradient(90deg, #2BE3C6 0%, #14624F 55%, #0C1F1B 100%);
  --grad-band-rev: linear-gradient(90deg, #0C1F1B 0%, #14624F 45%, #2BE3C6 100%);

  --font-title: "Source Han Sans Heavy", "Noto Sans SC", "PingFang SC", system-ui, sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --radius-xs: 6px;
  --radius-s: 12px;
  --radius-m: 18px;
  --radius-l: 24px;
  --radius-xl: 28px;
  --radius-pill: 999px;

  --shell: 1240px;
  --gutter: 24px;
  --gap: 24px;
  --header-h: 74px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------------- Reset ---------------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 26px);
}

body {
  margin: 0;
  background: var(--ink-900);
  color: var(--text-dark);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.78;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg, video { max-width: 100%; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 .6em;
  font-family: var(--font-title);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.02em;
  font-stretch: condensed;
}

h1 { font-size: clamp(2.6rem, 6vw, 4.8rem); line-height: 1.06; }
h2 { font-size: clamp(1.75rem, 3.2vw, 2.4rem); }
h3 { font-size: clamp(1.05rem, 1.6vw, 1.25rem); }

a { color: var(--cyan-500); text-decoration: none; }
a:hover { color: var(--cyan-600); }

code, kbd, samp, pre { font-family: var(--font-mono); }

:focus-visible {
  outline: 2px solid var(--cyan-500);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------------- 布局容器 ---------------- */

.container {
  width: min(100% - 40px, var(--shell));
  margin-inline: auto;
}

.container--wide { width: min(100% - 40px, 1440px); }

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

/* ---------------- 跳转链接 ---------------- */

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  transform: translateY(-160%);
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  background: var(--orange-500);
  color: #23100A;
  font-weight: 700;
  font-size: .9rem;
  transition: transform 200ms var(--ease);
}
.skip-link:focus {
  transform: translateY(0);
  color: #23100A;
}

/* ============================================================
   页头
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(6, 17, 15, .94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(43, 227, 198, .16);
}

.site-header__band {
  height: 6px;
  background: var(--grad-band);
}

.site-header__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px 28px;
  width: min(100% - 40px, 1320px);
  margin-inline: auto;
  padding: 14px 0;
  min-height: var(--header-h);
}

/* 品牌 */
.brand { grid-column: 1; min-width: 0; }

.brand__link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text-dark);
}
.brand__link:hover { color: var(--text-dark); }

.brand__mark {
  flex: none;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-s);
  background: var(--grad-jade);
  color: #04120F;
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  box-shadow: 0 0 0 1px rgba(43, 227, 198, .28), 0 10px 26px -14px rgba(43, 227, 198, .7);
}

.brand__text { display: flex; flex-direction: column; min-width: 0; }

.brand__name {
  font-family: var(--font-title);
  font-size: 1.06rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.2;
  white-space: nowrap;
}

.brand__domain {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--mist-400);
  white-space: nowrap;
}

/* 主导航 */
.site-nav {
  grid-column: 2;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.site-nav::-webkit-scrollbar { display: none; }

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: nowrap;
}

.site-nav__list a {
  display: inline-block;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  color: rgba(234, 247, 243, .72);
  font-size: .94rem;
  font-weight: 600;
  white-space: nowrap;
  transition: color 150ms linear, background-color 150ms linear;
}
.site-nav__list a:hover {
  color: var(--text-dark);
  background: rgba(43, 227, 198, .10);
}
.site-nav__list a[aria-current="page"] {
  color: #04120F;
  background: var(--cyan-500);
}
.site-nav__list a[aria-current="page"]:hover {
  color: #04120F;
  background: var(--cyan-500);
}

/* 右侧动作区 */
.header-actions {
  grid-column: 3;
  display: flex;
  align-items: center;
  gap: 12px;
  justify-self: end;
}

.version-badge {
  display: inline-block;
  padding: 5px 10px;
  border-radius: var(--radius-xs);
  border: 1px solid rgba(43, 227, 198, .42);
  background: rgba(43, 227, 198, .06);
  color: var(--cyan-500);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  line-height: 1.5;
  white-space: nowrap;
}

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 9px 14px;
  border: 1px solid rgba(43, 227, 198, .34);
  border-radius: var(--radius-pill);
  background: rgba(19, 48, 42, .8);
  color: var(--text-dark);
  font-family: var(--font-body);
  font-size: .88rem;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 160ms linear, background-color 160ms linear;
}
.nav-toggle:hover { border-color: var(--cyan-500); background: rgba(43, 227, 198, .12); }

.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 18px;
}
.nav-toggle__bars span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 220ms var(--ease), opacity 140ms linear;
}
.site-header[data-open] .nav-toggle__bars span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.site-header[data-open] .nav-toggle__bars span:nth-child(2) { opacity: 0; }
.site-header[data-open] .nav-toggle__bars span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* 滚动进度 */
.scroll-progress {
  height: 2px;
  background: rgba(43, 227, 198, .10);
  overflow: hidden;
}
.scroll-progress > span {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--cyan-500) 0%, var(--orange-500) 100%);
  transition: transform 90ms linear;
}

/* ============================================================
   页脚
   ============================================================ */

.site-footer {
  position: relative;
  margin-top: 72px;
  background: var(--ink-800);
  border-top: 1px solid rgba(43, 227, 198, .16);
  color: var(--text-dark);
}

.site-footer__band {
  height: 6px;
  background: var(--grad-band-rev);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1.05fr .8fr 1.15fr;
  gap: 40px 48px;
  width: min(100% - 40px, var(--shell));
  margin-inline: auto;
  padding: 52px 0 44px;
}

.footer-brand {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 16px;
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(43, 227, 198, .14);
}

.footer-brand__name {
  font-family: var(--font-title);
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.footer-brand__domain {
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .06em;
  color: var(--mist-400);
}

.footer-eyebrow {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan-500);
}

.footer-cadence { display: grid; gap: 10px; }

.footer-cadence li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(110, 138, 132, .34);
  font-size: .94rem;
}

.footer-cadence__k { color: var(--text-dark); font-weight: 600; }

.footer-cadence__v {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--cyan-500);
  white-space: nowrap;
}

.footer-index__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 18px;
}

.footer-index__list a {
  display: inline-block;
  padding: 5px 0;
  color: rgba(234, 247, 243, .78);
  font-size: .94rem;
  font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: color 150ms linear, border-color 150ms linear;
}
.footer-index__list a:hover {
  color: var(--cyan-500);
  border-bottom-color: rgba(43, 227, 198, .5);
}

.footer-contact__list { display: grid; gap: 10px; margin-bottom: 16px; }

.footer-contact__list li {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  font-size: .93rem;
}

.footer-contact__k {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--mist-400);
}

.footer-contact__v {
  color: var(--text-dark);
  font-family: var(--font-mono);
  font-size: .85rem;
  word-break: break-word;
}

.footer-contact__note {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--orange-500);
  font-size: .84rem;
  line-height: 1.7;
  color: var(--mist-400);
}

.footer-base {
  background: var(--ink-900);
  border-top: 1px solid rgba(43, 227, 198, .12);
}

.footer-base__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 26px;
  width: min(100% - 40px, var(--shell));
  margin-inline: auto;
  padding: 18px 0 26px;
  font-size: .82rem;
  color: var(--mist-400);
}

.footer-copy, .footer-icp { margin: 0; }
.footer-icp { font-family: var(--font-mono); letter-spacing: .04em; }

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-left: auto;
}
.footer-legal a {
  color: var(--mist-400);
  border-bottom: 1px solid rgba(110, 138, 132, .45);
  transition: color 150ms linear, border-color 150ms linear;
}
.footer-legal a:hover {
  color: var(--cyan-500);
  border-bottom-color: var(--cyan-500);
}

/* ============================================================
   基础组件
   ============================================================ */

/* 按钮 */
.btn {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: .94rem;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  cursor: pointer;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), transform 180ms var(--ease);
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 220ms var(--ease);
}
.btn:hover::before { transform: scaleX(1); }
.btn:active { transform: translateY(1px); }

.btn--signal {
  background: var(--orange-500);
  color: #23100A;
}
.btn--signal::before { background: var(--orange-600); }
.btn--signal:hover { color: #1A0C05; }

.btn--ghost {
  background: transparent;
  border-color: rgba(43, 227, 198, .42);
  color: var(--cyan-500);
}
.btn--ghost::before { background: rgba(43, 227, 198, .14); }
.btn--ghost:hover { color: var(--cyan-500); border-color: var(--cyan-500); }

.btn--small { padding: 8px 15px; font-size: .84rem; }

/* 标签胶囊 */
.label-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  border: 1px solid rgba(43, 227, 198, .35);
  background: rgba(43, 227, 198, .06);
  color: var(--cyan-500);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .05em;
  line-height: 1.6;
  white-space: nowrap;
}

/* 面包屑 */
.breadcrumb { margin: 0 0 26px; }

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--mist-400);
}

.breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: rgba(110, 138, 132, .6);
}
.breadcrumb__list a { color: var(--mist-400); }
.breadcrumb__list a:hover { color: var(--cyan-500); }

/* 章节头 */
.section-head { display: grid; gap: 10px; margin-bottom: 28px; }

.section-num {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan-500);
}
.section-num::after {
  content: "";
  width: 42px;
  height: 6px;
  border-radius: var(--radius-xs);
  background: var(--cyan-500);
}

.section-title { margin: 0; }

/* 数据面板 */
.panel {
  background: var(--ink-800);
  border: 1px solid rgba(43, 227, 198, .14);
  border-radius: var(--radius-xl);
  padding: 24px;
}

.panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(43, 227, 198, .16);
}

.panel__body { color: var(--text-dark); }

/* 视觉容器（页面阶段放入截图感图像） */
.figure { display: block; margin: 0; }

.figure__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-l);
  border: 1px solid rgba(43, 227, 198, .16);
  background:
    linear-gradient(135deg, rgba(43, 227, 198, .16) 0%, rgba(12, 31, 27, .92) 62%),
    var(--ink-800);
}

.figure__media--wide { aspect-ratio: 21 / 9; }
.figure__media--square { aspect-ratio: 4 / 3; }
.figure__media--tall { aspect-ratio: 3 / 4; }

.figure__media > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.figure__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.62;
  color: var(--mist-400);
}

/* ============================================================
   动效
   ============================================================ */

[data-reveal] { transition: none; }

html[data-reveal-ready] [data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 480ms var(--ease), transform 480ms var(--ease);
  will-change: opacity, transform;
}

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

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

@media (max-width: 1100px) {
  .site-footer__inner { grid-template-columns: 1fr 1fr; }
  .footer-contact { grid-column: 1 / -1; }
}

@media (max-width: 1024px) {
  .grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

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

.site-header__inner {
    grid-template-columns: 1fr auto auto;
    gap: 12px;
    padding: 12px 0;
  }

.brand { grid-column: 1; grid-row: 1; }
  .nav-toggle { display: inline-flex; grid-column: 3; grid-row: 1; justify-self: end; }
  .header-actions { grid-column: 2; grid-row: 1; gap: 8px; }
  .version-badge { display: none; }

.site-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    display: none;
    margin-top: 4px;
    padding: 10px 0 6px;
    border-top: 1px solid rgba(43, 227, 198, .16);
  }

.site-header[data-open] .site-nav { display: block; }

.site-nav__list {
    overflow-x: auto;
    padding-bottom: 6px;
  }

.site-nav__list a { padding: 9px 15px; font-size: .92rem; }

.footer-index__list { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  body { font-size: 16px; }

.site-footer__inner {
    grid-template-columns: 1fr;
    gap: 34px;
    padding: 42px 0 34px;
  }

.footer-contact { grid-column: auto; }

.footer-legal { margin-left: 0; width: 100%; }

.panel { padding: 20px; border-radius: var(--radius-l); }
}

@media (max-width: 640px) {
  .container, .container--wide { width: min(100% - 32px, var(--shell)); }
  .site-header__inner, .site-footer__inner, .footer-base__inner { width: min(100% - 32px, var(--shell)); }

.nav-toggle__label { display: none; }
  .nav-toggle { padding: 9px 12px; }

.brand__domain { display: none; }

.btn { padding: 10px 16px; font-size: .9rem; }
  .header-actions .btn { padding: 9px 14px; font-size: .86rem; }

.footer-contact__list li { grid-template-columns: 1fr; gap: 2px; }

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

@media (max-width: 480px) {
  .header-actions { display: none; }
  .site-header__inner { grid-template-columns: 1fr auto; }
  .nav-toggle { grid-column: 2; }
  .footer-index__list { grid-template-columns: 1fr; }
}

/* ============================================================
   偏好设置
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

*,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 120ms !important;
    transition-property: opacity, color, background-color, border-color !important;
    scroll-behavior: auto !important;
  }

html[data-reveal-ready] [data-reveal],
  html[data-reveal-ready] [data-reveal].is-visible {
    opacity: 1;
    transform: none;
    transition-duration: 120ms !important;
  }

.btn::before { transition: none !important; }
  .scroll-progress > span { transition: none !important; }
}