/* ============================================================
   南宫赛事 · 共享 Site Kit
   夜间赛场指挥台 / 记分牌式深色系统
   ============================================================ */

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

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

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

ul[class],
ol[class] {
  list-style: none;
  padding: 0;
}

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

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

a { color: inherit; }

main { display: block; }

/* ---------- 2. Design tokens ---------- */
:root {
  /* 色彩 */
  --ink-950: #0B0F0E;
  --pitch-900: #0E2A22;
  --pitch-700: #174638;
  --lime-400: #C6FF3D;
  --amber-500: #FF9F1C;
  --fog-300: #B8C4BD;
  --paper-100: #F2F6F1;
  --cyan-300: #54E6D6;
  --border-700: #2C3A34;
  --coral-500: #FF6B5E;

  /* 语义映射 */
  --bg: var(--ink-950);
  --surface: var(--pitch-900);
  --surface-2: var(--pitch-700);
  --text: var(--paper-100);
  --text-muted: var(--fog-300);
  --accent: var(--lime-400);
  --time: var(--amber-500);
  --link: var(--cyan-300);
  --line: var(--border-700);

  /* 字体 */
  --font-display: "Archivo Narrow", "Noto Sans SC", "Source Han Sans SC",
    "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-sans: "Noto Sans SC", "Source Han Sans SC", -apple-system,
    "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC",
    Georgia, "Times New Roman", serif;
  --font-mono: "IBM Plex Mono", "JetBrains Mono", ui-monospace,
    "SFMono-Regular", Menlo, Consolas, monospace;

  /* 尺寸与结构 */
  --container: 1240px;
  --gutter: clamp(16px, 4vw, 40px);
  --radius-block: 18px;
  --radius-pill: 999px;
  --border-w: 2px;
  --shadow-hard: 6px 6px 0 0 rgba(0, 0, 0, 0.5);
  --shadow-hard-sm: 4px 4px 0 0 rgba(0, 0, 0, 0.55);
  --ease: cubic-bezier(0.22, 0.7, 0.28, 1);
  --dur: 220ms;
  --header-h: 84px;
}

/* ---------- 3. Base ---------- */
body {
  min-height: 100vh;
  background-color: var(--ink-950);
  background-image:
    radial-gradient(1000px 560px at 80% -160px, rgba(23, 70, 56, 0.62), transparent 65%),
    radial-gradient(760px 420px at 0% 60px, rgba(84, 230, 214, 0.06), transparent 60%);
  background-repeat: no-repeat;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.8;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--lime-400);
  color: var(--ink-950);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.012em;
  color: var(--paper-100);
}

h1 { font-size: clamp(34px, 5.4vw, 64px); }
h2 { font-size: clamp(26px, 3.4vw, 44px); }
h3 { font-size: clamp(20px, 2.2vw, 28px); }
h4 { font-size: clamp(17px, 1.6vw, 21px); }

p { max-width: 72ch; }

a {
  color: inherit;
  text-decoration-color: rgba(84, 230, 214, 0.5);
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

a:hover { color: var(--lime-400); }

strong, b { font-weight: 700; color: var(--paper-100); }

small { font-size: 0.82em; }

code, kbd, samp, time {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

#main-content { scroll-margin-top: 110px; }

/* 全局焦点 */
:where(a, button, summary, input, select, textarea, [tabindex]):focus-visible {
  outline: 2px solid var(--cyan-300);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- 4. Layout primitives ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: clamp(44px, 6.5vw, 92px);
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px 32px;
  margin-bottom: clamp(22px, 3vw, 38px);
}

.grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 28px);
}

.bento-grid {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

@media (max-width: 760px) {
  .bento-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* ---------- 5. Typographic accents ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lime-400);
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--lime-400);
}

.display {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(40px, 7vw, 88px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper-100);
}

.display-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(64px, 12vw, 140px);
  line-height: 0.82;
  letter-spacing: -0.05em;
  color: var(--lime-400);
  font-variant-numeric: tabular-nums;
}

.lede {
  font-family: var(--font-serif);
  font-size: clamp(17px, 1.9vw, 20px);
  line-height: 1.7;
  color: var(--fog-300);
  max-width: 62ch;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber-500);
}

.rule {
  border: 0;
  border-top: var(--border-w) solid var(--line);
  margin-block: clamp(22px, 3.4vw, 38px);
}

/* ---------- 6. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: var(--border-w) solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14.5px;
  letter-spacing: 0.04em;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease),
    color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.btn--lime {
  background: var(--lime-400);
  color: var(--ink-950);
  border-color: var(--lime-400);
  box-shadow: var(--shadow-hard-sm);
}

.btn--lime:hover {
  color: var(--ink-950);
  background: #d6ff6b;
  transform: translate(-1px, -1px);
  box-shadow: 6px 6px 0 0 rgba(0, 0, 0, 0.55);
}

.btn--lime:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 0 rgba(0, 0, 0, 0.55);
}

.btn--ghost {
  background: transparent;
  color: var(--paper-100);
  border-color: var(--line);
}

.btn--ghost:hover {
  color: var(--lime-400);
  border-color: var(--lime-400);
}

.btn--sm {
  padding: 9px 15px;
  font-size: 13px;
}

.btn--block {
  display: flex;
  width: 100%;
}

/* ---------- 7. Chips ---------- */
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(23, 70, 56, 0.32);
  color: var(--fog-300);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.chip:hover {
  color: var(--paper-100);
  border-color: rgba(198, 255, 61, 0.5);
  background: rgba(198, 255, 61, 0.08);
}

.chip[aria-pressed="true"],
.chip--active {
  background: var(--lime-400);
  border-color: var(--lime-400);
  color: var(--ink-950);
  font-weight: 600;
}

/* ---------- 8. Panels & media ---------- */
.panel {
  position: relative;
  padding: clamp(18px, 2.6vw, 30px);
  border: var(--border-w) solid var(--line);
  border-radius: var(--radius-block);
  background: linear-gradient(158deg, rgba(23, 70, 56, 0.55), rgba(14, 42, 34, 0.94));
  box-shadow: var(--shadow-hard);
}

.panel--flat {
  background: var(--surface);
  box-shadow: none;
}

.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: var(--border-w) solid var(--line);
  border-radius: var(--radius-block);
  background-color: var(--pitch-900);
  background-image:
    repeating-linear-gradient(135deg, rgba(198, 255, 61, 0.07) 0 2px, transparent 2px 13px),
    linear-gradient(152deg, var(--pitch-700), var(--ink-950) 72%);
  box-shadow: var(--shadow-hard);
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 4 / 5; }

.media-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--fog-300);
  line-height: 1.6;
}

/* ---------- 9. Breadcrumbs ---------- */
.breadcrumbs {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--fog-300);
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.breadcrumbs a {
  color: var(--fog-300);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.breadcrumbs a:hover {
  color: var(--lime-400);
  border-color: var(--lime-400);
}

.breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--border-700);
}

.breadcrumbs [aria-current="page"] {
  color: var(--paper-100);
}

/* ---------- 10. Disclosure / accordion ---------- */
.disclosure {
  border: var(--border-w) solid var(--line);
  border-radius: 14px;
  background: rgba(14, 42, 34, 0.72);
  overflow: hidden;
}

.disclosure + .disclosure { margin-top: 10px; }

.disclosure-trigger {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border: 0;
  background: none;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  color: var(--paper-100);
  transition: color var(--dur) var(--ease);
}

.disclosure-trigger:hover { color: var(--lime-400); }

.disclosure-icon {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: var(--border-w) solid var(--line);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
  color: var(--lime-400);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease),
    color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.disclosure[data-open] .disclosure-icon {
  transform: rotate(45deg);
  background: var(--lime-400);
  border-color: var(--lime-400);
  color: var(--ink-950);
}

.disclosure-panel {
  padding: 0 18px 18px;
  font-size: 15.5px;
  color: var(--fog-300);
}

.disclosure-panel[hidden] { display: none; }

/* ---------- 11. Reveal motion ---------- */
.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 320ms var(--ease), transform 320ms var(--ease);
}

.has-js [data-reveal][data-visible] {
  opacity: 1;
  transform: none;
}

/* ============================================================
   12. Header — 悬浮胶囊 · 转播计分条
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  padding: clamp(10px, 1.5vw, 18px) 0 0;
  background: linear-gradient(
    180deg,
    rgba(11, 15, 14, 0.97) 0%,
    rgba(11, 15, 14, 0.84) 58%,
    rgba(11, 15, 14, 0) 100%
  );
}

/* 顶部阅读进度（计时条） */
.scroll-meter {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 120;
  pointer-events: none;
  background: rgba(44, 58, 52, 0.55);
}

.scroll-meter-fill {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--lime-400), var(--amber-500));
  transition: transform 90ms linear;
}

/* 跳转链接 */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  background: var(--lime-400);
  color: var(--ink-950);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-decoration: none;
  transform: translateY(-180%);
  transition: transform var(--dur) var(--ease);
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
  color: var(--ink-950);
}

.header-inner {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.nav-shell {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.8vw, 26px);
  padding: 10px 10px 10px 18px;
  border: var(--border-w) solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(14, 42, 34, 0.86);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 5px 5px 0 0 rgba(0, 0, 0, 0.5),
    inset 0 0 0 1px rgba(198, 255, 61, 0.06);
  transition: padding var(--dur) var(--ease), background var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.site-header[data-condensed] .nav-shell {
  padding-block: 6px;
  background: rgba(11, 15, 14, 0.94);
  box-shadow: 4px 4px 0 0 rgba(0, 0, 0, 0.62);
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  text-decoration: none;
  color: var(--paper-100);
}

.brand:hover { color: var(--paper-100); }

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  border-radius: 12px;
  border: var(--border-w) solid var(--ink-950);
  background: var(--lime-400);
  color: var(--ink-950);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.04em;
  box-shadow: 2px 2px 0 0 var(--border-700);
}

.brand-text {
  display: block;
  line-height: 1.1;
}

.brand-name {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: 0.06em;
  color: var(--paper-100);
}

.brand-sub {
  display: block;
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fog-300);
}

/* 主导航 */
.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(8px, 1.4vw, 20px);
  margin-left: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-link {
  display: inline-block;
  padding: 8px 12px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 500;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  color: var(--fog-300);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.nav-link:hover {
  color: var(--paper-100);
  background: rgba(198, 255, 61, 0.08);
  border-color: rgba(198, 255, 61, 0.28);
}

.nav-link[aria-current="page"] {
  background: var(--lime-400);
  border-color: var(--lime-400);
  color: var(--ink-950);
  font-weight: 700;
}

.nav-quick { display: none; }

.nav-quick-label {
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fog-300);
}

.nav-quick .btn { margin-top: 14px; }

/* 工具区 */
.nav-tools {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  margin-left: 6px;
}

.tool-link {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--cyan-300);
  text-decoration: none;
  border-bottom: 1px dashed rgba(84, 230, 214, 0.45);
  padding-bottom: 2px;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.tool-link:hover {
  color: var(--paper-100);
  border-color: var(--paper-100);
}

/* 移动菜单按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: var(--border-w) solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(23, 70, 56, 0.6);
  color: var(--paper-100);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.nav-toggle:hover {
  color: var(--lime-400);
  border-color: var(--lime-400);
}

.nav-toggle-bars {
  position: relative;
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: background var(--dur) var(--ease);
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--dur) var(--ease);
}

.nav-toggle-bars::before { top: -5px; }
.nav-toggle-bars::after { top: 5px; }

.nav-toggle-text { line-height: 1; }

.nav-toggle[aria-expanded="true"] {
  background: var(--lime-400);
  border-color: var(--lime-400);
  color: var(--ink-950);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { transform: translateY(-5px) rotate(-45deg); }

/* 窄屏时间快捷条 */
.quick-bar {
  display: none;
  align-items: center;
  gap: 10px;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--fog-300);
  overflow-x: auto;
  scrollbar-width: none;
}

.quick-bar::-webkit-scrollbar { display: none; }

.quick-bar-label {
  white-space: nowrap;
  text-transform: uppercase;
  color: var(--fog-300);
}

.quick-bar-clock {
  white-space: nowrap;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--amber-500);
}

.quick-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.quick-chip {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(23, 70, 56, 0.45);
  color: var(--fog-300);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  white-space: nowrap;
  text-decoration: none;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.quick-chip:hover {
  background: var(--lime-400);
  border-color: var(--lime-400);
  color: var(--ink-950);
}

/* 头部断点：平板与手机 */
@media (max-width: 1080px) {
  .site-header { padding-top: 10px; }

  .nav-shell {
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px 12px 10px 14px;
    border-radius: 24px;
  }

  .site-nav {
    order: 3;
    flex: 1 0 100%;
    display: none;
    margin-left: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-top: 12px;
    border-top: var(--border-w) solid var(--line);
  }

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

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }

  .nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 11px 14px;
    border-radius: 12px;
    font-size: 15px;
    color: var(--paper-100);
  }

  .nav-link::after {
    content: "›";
    font-family: var(--font-mono);
    font-size: 15px;
    color: var(--border-700);
  }

  .nav-link[aria-current="page"]::after { color: var(--ink-950); }

  .nav-quick { display: block; margin-top: 14px; }

  .nav-tools { display: none; }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .quick-bar { display: flex; }
  .quick-bar .quick-list { flex-wrap: nowrap; }
}

@media (max-width: 420px) {
  .brand-sub { display: none; }
  .brand-mark { width: 36px; height: 36px; border-radius: 10px; }
  .nav-toggle-text { display: none; }
  .nav-toggle { padding: 10px 12px; }
}

/* ============================================================
   13. Footer — 记分牌色带 · 描边水印
   ============================================================ */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 120px);
  padding-block: clamp(40px, 5.5vw, 72px) 24px;
  border-top: var(--border-w) solid var(--line);
  background-color: var(--ink-950);
  background-image:
    radial-gradient(120% 120% at 10% 0%, rgba(23, 70, 56, 0.55), transparent 62%),
    radial-gradient(80% 90% at 92% 10%, rgba(255, 159, 28, 0.06), transparent 60%);
  background-repeat: no-repeat;
  color: var(--fog-300);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: linear-gradient(
    90deg,
    var(--lime-400) 0 22%,
    var(--amber-500) 22% 34%,
    var(--pitch-700) 34% 100%
  );
}

.footer-inner {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(220px, 0.9fr) minmax(0, 1.1fr) minmax(240px, 1fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}

.footer-brand-name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3vw, 30px);
  letter-spacing: 0.06em;
  line-height: 1.2;
  color: var(--paper-100);
}

.footer-tagline {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  line-height: 1.8;
  color: var(--fog-300);
}

.footer-mark {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(56px, 9vw, 108px);
  line-height: 0.8;
  letter-spacing: -0.06em;
  color: rgba(198, 255, 61, 0.14);
  user-select: none;
}

@supports (-webkit-text-stroke: 1px red) {
  .footer-mark {
    color: transparent;
    -webkit-text-stroke: 1.5px rgba(198, 255, 61, 0.32);
  }
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.footer-col { min-width: 0; }

.footer-col-title {
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lime-400);
}

.footer-links {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links a {
  display: inline-block;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--fog-300);
  text-decoration: none;
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.footer-links a:hover {
  color: var(--paper-100);
  transform: translateX(2px);
}

.footer-contact {
  min-width: 0;
  padding: clamp(16px, 2vw, 22px);
  border: var(--border-w) solid var(--line);
  border-radius: 14px;
  background: rgba(14, 42, 34, 0.7);
}

.footer-contact-row {
  display: grid;
  gap: 2px;
  padding-block: 7px;
  border-bottom: 1px solid rgba(44, 58, 52, 0.8);
}

.footer-contact-row:last-of-type { border-bottom: 0; }

.footer-contact-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fog-300);
}

.footer-contact-value {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--paper-100);
  overflow-wrap: anywhere;
}

.footer-note {
  margin-top: 14px;
  padding-left: 12px;
  border-left: 2px solid var(--lime-400);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--fog-300);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  margin-top: clamp(28px, 4vw, 44px);
  padding-top: 18px;
  border-top: var(--border-w) solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--fog-300);
}

.footer-legal { max-width: none; }

.footer-icp {
  max-width: none;
  color: var(--fog-300);
}

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

  .footer-brand { grid-column: 1 / -1; }
  .footer-mark { margin-top: 6px; }
}

@media (max-width: 620px) {
  .footer-top { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ---------- 14. 小屏正文 ---------- */
@media (max-width: 640px) {
  body { font-size: 16px; }
  .section { padding-block: clamp(36px, 9vw, 56px); }
  .panel { border-radius: 14px; }
}

/* ---------- 15. Reduced motion ---------- */
@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;
  }

  .has-js [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .scroll-meter-fill { transition: none; }
  .footer-links a:hover { transform: none; }
}