/* ============================================================
   完美体育365 · /assets/site.css
   共享外壳：深海底色 + 12px 数据网格 + 玻璃导航 + 陶土色带页脚
   ============================================================ */

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

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

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

ul, ol { list-style: none; }

img, picture, svg, video { display: block; max-width: 100%; }

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

button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

[hidden] { display: none !important; }

/* ---------- tokens ---------- */
:root {
  --wm-void: #050B18;
  --wm-deep: #0B1A33;
  --wm-tactical: #12305C;
  --wm-cyan: #22E0D6;
  --wm-orange: #FF7A2F;
  --wm-violet: #9A6BFF;
  --wm-moss: #1F7A5C;
  --wm-clay: #C97B4A;
  --wm-rock: #C8D3E0;
  --wm-cream: #EFF3F7;
  --wm-sand: #F5E6C8;
  --wm-cold: #6B7C93;

  --wm-line: rgba(34, 224, 214, 0.18);
  --wm-line-soft: rgba(200, 211, 224, 0.10);

  --wm-max: 1240px;
  --wm-gutter: clamp(18px, 4vw, 48px);
  --wm-header-h: 78px;

  --wm-space-1: 24px;
  --wm-space-2: 40px;
  --wm-space-3: 64px;
  --wm-space-4: 96px;

  --wm-ease: cubic-bezier(.2, .8, .2, 1);

  --wm-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --wm-sans: "Noto Sans SC", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
}

/* ---------- base ---------- */
html, body { min-height: 100%; }

body {
  font-family: var(--wm-sans);
  font-size: 17px;
  line-height: 1.75;
  color: var(--wm-rock);
  background-color: var(--wm-void);
  background-image:
    radial-gradient(1100px 680px at 82% -12%, #10305c 0%, rgba(16, 48, 92, 0) 62%),
    radial-gradient(900px 560px at -8% 16%, #0a2340 0%, rgba(10, 35, 64, 0) 58%),
    linear-gradient(180deg, #050B18 0%, #071227 48%, #050B18 100%);
  background-attachment: scroll;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* 数据网格层：12px 方格，视觉透明度约 3% */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(200, 211, 224, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(200, 211, 224, 0.06) 1px, transparent 1px);
  background-size: 12px 12px;
  opacity: 0.55;
}

#main-content { padding-top: var(--wm-header-h); }

::selection { background: rgba(34, 224, 214, 0.28); color: var(--wm-cream); }

:focus-visible {
  outline: 2px solid var(--wm-cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

html.wm-nav-locked { overflow: hidden; }

/* ---------- skip link ---------- */
.wm-skip {
  position: fixed;
  top: 10px;
  left: 12px;
  z-index: 300;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--wm-cyan);
  color: #04121a;
  font-family: var(--wm-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  transform: translateY(-160%);
  transition: transform 0.24s var(--wm-ease);
}

.wm-skip:focus-visible,
.wm-skip:focus {
  transform: translateY(0);
  outline-offset: 2px;
}

/* ---------- header ---------- */
.wm-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 120;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.35s var(--wm-ease),
              border-color 0.35s var(--wm-ease),
              box-shadow 0.35s var(--wm-ease);
}

.wm-header[data-scrolled="true"] {
  --wm-header-h: 64px;
  background: rgba(5, 11, 24, 0.93);
  border-bottom-color: var(--wm-line);
  box-shadow: 0 24px 48px -36px #000;
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.wm-scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--wm-cyan), var(--wm-violet));
  pointer-events: none;
}

.wm-header__inner {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 30px);
  height: var(--wm-header-h);
  max-width: var(--wm-max);
  margin-inline: auto;
  padding-inline: var(--wm-gutter);
  transition: height 0.3s var(--wm-ease);
}

/* ---------- brand ---------- */
.wm-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.wm-brand__mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 11px;
  border: 1px solid rgba(34, 224, 214, 0.45);
  background: linear-gradient(145deg, rgba(34, 224, 214, 0.18), rgba(154, 107, 255, 0.12));
  color: var(--wm-cyan);
  font-family: var(--wm-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transform: skewX(-4deg);
  box-shadow: inset 0 0 24px rgba(34, 224, 214, 0.12);
}

.wm-brand__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.15;
}

.wm-brand__name {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--wm-cream);
}

.wm-brand__tag {
  font-family: var(--wm-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--wm-cyan);
}

/* ---------- nav ---------- */
.wm-nav { margin-inline: auto; }

.wm-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.wm-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 9px 13px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--wm-rock);
  transition: color 0.24s var(--wm-ease), background 0.24s var(--wm-ease);
}

.wm-nav__link:hover {
  color: var(--wm-cream);
  background: rgba(34, 224, 214, 0.08);
}

.wm-nav__link[aria-current="page"] {
  color: var(--wm-cyan);
  background: rgba(34, 224, 214, 0.10);
}

.wm-nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--wm-cyan);
}

/* ---------- header actions / pulse ---------- */
.wm-header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.wm-pulse {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--wm-line);
  background: rgba(18, 48, 92, 0.42);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.wm-pulse__beat {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--wm-cyan);
  box-shadow: 0 0 10px rgba(34, 224, 214, 0.8);
  flex: 0 0 auto;
}

.wm-pulse__beat.is-beat { animation: wm-beat 1.2s var(--wm-ease) 1; }

@keyframes wm-beat {
  0%   { box-shadow: 0 0 0 0 rgba(34, 224, 214, 0.55), 0 0 10px rgba(34, 224, 214, 0.8); }
  100% { box-shadow: 0 0 0 14px rgba(34, 224, 214, 0), 0 0 10px rgba(34, 224, 214, 0.8); }
}

.wm-pulse__body {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  white-space: nowrap;
}

.wm-pulse__label {
  font-family: var(--wm-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--wm-cold);
}

.wm-pulse__value {
  font-family: var(--wm-mono);
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  color: var(--wm-cyan);
}

.wm-pulse__value--muted { color: var(--wm-rock); }

.wm-pulse__sep {
  width: 1px;
  height: 16px;
  background: rgba(200, 211, 224, 0.18);
}

/* ---------- buttons ---------- */
.wm-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
  transition: transform 0.24s var(--wm-ease),
              background 0.24s var(--wm-ease),
              border-color 0.24s var(--wm-ease),
              color 0.24s var(--wm-ease),
              box-shadow 0.24s var(--wm-ease);
}

.wm-btn:hover { transform: translateY(-1px); }
.wm-btn:active { transform: translateY(0); }

.wm-btn--solid {
  background: linear-gradient(135deg, #FF7A2F, #FF9A5C);
  color: #150A04;
  box-shadow: 0 12px 26px -16px rgba(255, 122, 47, 0.9);
}

.wm-btn--solid:hover {
  box-shadow: 0 16px 30px -14px rgba(255, 122, 47, 0.95), 0 0 0 1px rgba(34, 224, 214, 0.35);
}

.wm-btn--ghost {
  border-color: rgba(34, 224, 214, 0.38);
  background: rgba(18, 48, 92, 0.28);
  color: var(--wm-cream);
}

.wm-btn--ghost:hover {
  border-color: var(--wm-cyan);
  background: rgba(34, 224, 214, 0.12);
}

.wm-btn--quiet {
  padding: 8px 0;
  color: var(--wm-cyan);
  font-weight: 600;
}

.wm-btn--quiet:hover { color: var(--wm-cream); }

.wm-header__cta {
  padding: 10px 16px;
  font-size: 14px;
}

/* ---------- mobile nav toggle ---------- */
.wm-nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 10px 13px;
  border: 1px solid rgba(200, 211, 224, 0.24);
  border-radius: 999px;
  color: var(--wm-cream);
  transition: border-color 0.24s var(--wm-ease), background 0.24s var(--wm-ease);
}

.wm-nav-toggle:hover {
  border-color: var(--wm-cyan);
  background: rgba(34, 224, 214, 0.10);
}

.wm-nav-toggle__bars {
  position: relative;
  width: 16px;
  height: 10px;
  flex: 0 0 auto;
}

.wm-nav-toggle__bars::before,
.wm-nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.3s var(--wm-ease), opacity 0.3s var(--wm-ease);
}

.wm-nav-toggle__bars::before { top: 0; }
.wm-nav-toggle__bars::after { bottom: 0; }

.wm-nav-toggle[aria-expanded="true"] .wm-nav-toggle__bars::before {
  transform: translateY(4px) rotate(45deg);
}

.wm-nav-toggle[aria-expanded="true"] .wm-nav-toggle__bars::after {
  transform: translateY(-4px) rotate(-45deg);
}

.wm-nav-toggle__label {
  font-family: var(--wm-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
}

/* ---------- footer ---------- */
.wm-footer {
  position: relative;
  margin-top: var(--wm-space-4);
  background: linear-gradient(180deg, #071127 0%, #050B18 78%);
  border-top: 1px solid var(--wm-line);
}

.wm-footer__band {
  height: 6px;
  background: linear-gradient(90deg, #7b3f22 0%, var(--wm-clay) 34%, var(--wm-orange) 68%, var(--wm-clay) 100%);
  opacity: 0.9;
}

.wm-footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
  gap: clamp(24px, 3vw, 48px);
  max-width: var(--wm-max);
  margin-inline: auto;
  padding: var(--wm-space-3) var(--wm-gutter) var(--wm-space-2);
}

.wm-footer__col { min-width: 0; }

.wm-footer__col + .wm-footer__col {
  border-left: 1px solid var(--wm-line-soft);
  padding-left: clamp(16px, 2vw, 32px);
}

.wm-brand--footer { margin-bottom: 18px; }

.wm-footer__tagline {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--wm-rock);
  max-width: 30em;
}

.wm-footer__note {
  margin-top: 14px;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--wm-cold);
  max-width: 32em;
}

.wm-footer__title {
  margin-bottom: 18px;
  font-family: var(--wm-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--wm-sand);
}

.wm-footer__list li + li { margin-top: 10px; }

.wm-footer__list a {
  font-size: 14.5px;
  color: var(--wm-rock);
  transition: color 0.2s var(--wm-ease);
}

.wm-footer__list a:hover {
  color: var(--wm-cyan);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  text-decoration-color: rgba(34, 224, 214, 0.6);
}

.wm-footer__list--contact li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  align-items: baseline;
}

.wm-footer__meta {
  font-family: var(--wm-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--wm-cold);
  flex: 0 0 42px;
}

.wm-footer__value {
  font-family: var(--wm-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--wm-rock);
  word-break: break-word;
}

.wm-footer__legal {
  border-top: 1px solid var(--wm-line-soft);
  background: rgba(5, 11, 24, 0.65);
}

.wm-footer__legal-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  max-width: var(--wm-max);
  margin-inline: auto;
  padding: 18px var(--wm-gutter) 26px;
  font-family: var(--wm-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--wm-cold);
}

.wm-footer__legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.wm-footer__legal-links a { color: var(--wm-rock); }
.wm-footer__legal-links a:hover { color: var(--wm-cyan); }

.wm-footer__icp { color: var(--wm-cold); }

/* ============================================================
   通用版式与组件
   ============================================================ */
.wm-container {
  width: 100%;
  max-width: var(--wm-max);
  margin-inline: auto;
  padding-inline: var(--wm-gutter);
}

.wm-section { padding-block: var(--wm-space-3); }
.wm-section--tight { padding-block: var(--wm-space-2); }
.wm-section--air { padding-block: var(--wm-space-4); }

.wm-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--wm-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--wm-cyan);
}

.wm-eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: currentColor;
  flex: 0 0 auto;
}

.wm-title {
  display: inline-block;
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--wm-cream);
  transform: skewX(-4deg);
  transform-origin: left bottom;
}

.wm-lead {
  max-width: 38em;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.75;
  color: var(--wm-rock);
}

.wm-rule {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, rgba(34, 224, 214, 0.35), rgba(200, 211, 224, 0.08) 62%, transparent);
}

.wm-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* 章节开场：等宽编号 + 色带 */
.wm-chapter {
  display: flex;
  align-items: center;
  gap: 16px;
}

.wm-chapter__num {
  font-family: var(--wm-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--wm-cyan);
  flex: 0 0 auto;
}

.wm-chapter__band {
  flex: 1 1 auto;
  height: 2px;
  min-width: 40px;
  background: linear-gradient(90deg, var(--wm-band, var(--wm-cyan)), transparent);
}

/* 面板与玻璃层 */
.wm-glass {
  background: rgba(18, 48, 92, 0.34);
  border: 1px solid var(--wm-line);
  border-radius: 18px;
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.wm-panel {
  background: linear-gradient(180deg, #0B1A33, #08152a);
  border: 1px solid var(--wm-line-soft);
  border-radius: 16px;
  padding: clamp(20px, 2.4vw, 28px);
}

.wm-card {
  position: relative;
  background: linear-gradient(180deg, rgba(18, 48, 92, 0.5), rgba(11, 26, 51, 0.88));
  border: 1px solid var(--wm-line-soft);
  border-radius: 16px;
  padding: clamp(18px, 2.2vw, 26px);
  transition: border-color 0.3s var(--wm-ease), transform 0.3s var(--wm-ease);
}

.wm-card:hover {
  border-color: rgba(34, 224, 214, 0.4);
  transform: translateY(-2px);
}

/* 标签 */
.wm-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(34, 224, 214, 0.4);
  background: rgba(34, 224, 214, 0.10);
  color: var(--wm-cyan);
  font-family: var(--wm-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.wm-tag--orange { border-color: rgba(255, 122, 47, 0.45); background: rgba(255, 122, 47, 0.12); color: var(--wm-orange); }
.wm-tag--violet { border-color: rgba(154, 107, 255, 0.45); background: rgba(154, 107, 255, 0.12); color: var(--wm-violet); }
.wm-tag--moss   { border-color: rgba(31, 122, 92, 0.55);  background: rgba(31, 122, 92, 0.18);  color: #6FD8B4; }
.wm-tag--clay   { border-color: rgba(201, 123, 74, 0.5);  background: rgba(201, 123, 74, 0.14);  color: #EBA980; }

/* 栅格 */
.wm-grid {
  display: grid;
  gap: var(--wm-space-1);
}

.wm-grid--2 { grid-template-columns: 1fr; }
.wm-grid--3 { grid-template-columns: 1fr; }

.wm-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 40px);
  align-items: start;
}

/* 横向轨道 */
.wm-rail {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px var(--wm-gutter) 20px;
  margin-inline: calc(var(--wm-gutter) * -1);
  scrollbar-width: thin;
  scrollbar-color: rgba(34, 224, 214, 0.45) transparent;
}

.wm-rail::-webkit-scrollbar { height: 6px; }
.wm-rail::-webkit-scrollbar-track { background: rgba(200, 211, 224, 0.08); border-radius: 6px; }
.wm-rail::-webkit-scrollbar-thumb { background: rgba(34, 224, 214, 0.45); border-radius: 6px; }

.wm-rail__item {
  flex: 0 0 auto;
  width: clamp(240px, 78vw, 320px);
  scroll-snap-align: start;
}

.wm-rail__item--wide { width: clamp(280px, 88vw, 420px); }

/* 图片容器基础规则（页面阶段放置图片占位） */
.wm-media {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid rgba(34, 224, 214, 0.16);
  background:
    radial-gradient(120% 90% at 20% 0%, rgba(34, 224, 214, 0.16), transparent 60%),
    linear-gradient(160deg, #0B1A33, #12305C 70%, #0A1B33);
}

.wm-media > img,
.wm-media > picture > img,
.wm-media > video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.wm-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(200, 211, 224, 0.10) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(200, 211, 224, 0.10) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.5;
  mix-blend-mode: screen;
}

.wm-media--16x9 { aspect-ratio: 16 / 9; }
.wm-media--4x3  { aspect-ratio: 4 / 3; }
.wm-media--1x1  { aspect-ratio: 1 / 1; }
.wm-media--21x9 { aspect-ratio: 21 / 9; }

.wm-media__caption {
  margin-top: 10px;
  font-family: var(--wm-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--wm-cold);
}

/* 面包屑 */
.wm-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--wm-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--wm-cold);
}

.wm-breadcrumb a { color: var(--wm-rock); transition: color 0.2s var(--wm-ease); }
.wm-breadcrumb a:hover { color: var(--wm-cyan); }
.wm-breadcrumb__sep { color: rgba(200, 211, 224, 0.35); }
.wm-breadcrumb [aria-current="page"] { color: var(--wm-cream); }

/* 正文列 */
.wm-prose {
  max-width: 38em;
  font-size: 17px;
  line-height: 1.8;
  color: var(--wm-rock);
}

.wm-prose > * + * { margin-top: 1.1em; }

.wm-prose h2 {
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--wm-cream);
}

.wm-prose h3 {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--wm-cream);
}

.wm-prose strong { color: var(--wm-cream); }

.wm-prose a {
  color: var(--wm-cyan);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.wm-prose ul,
.wm-prose ol {
  padding-left: 1.2em;
  list-style: disc;
}

.wm-prose ol { list-style: decimal; }
.wm-prose li + li { margin-top: 0.4em; }

.wm-prose blockquote {
  padding-left: 18px;
  border-left: 2px solid var(--wm-cyan);
  color: var(--wm-sand);
}

.wm-prose code {
  font-family: var(--wm-mono);
  font-size: 0.92em;
  padding: 2px 6px;
  border-radius: 6px;
  background: rgba(34, 224, 214, 0.10);
  color: var(--wm-cyan);
}

.wm-prose mark {
  background: rgba(34, 224, 214, 0.18);
  color: var(--wm-cream);
  padding: 0 4px;
}

/* 主题筛选 */
.wm-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.wm-filter__btn {
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid rgba(200, 211, 224, 0.22);
  color: var(--wm-rock);
  font-family: var(--wm-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: color 0.24s var(--wm-ease),
              border-color 0.24s var(--wm-ease),
              background 0.24s var(--wm-ease),
              box-shadow 0.24s var(--wm-ease);
}

.wm-filter__btn:hover {
  color: var(--wm-cream);
  border-color: rgba(34, 224, 214, 0.5);
}

.wm-filter__btn[aria-pressed="true"] {
  background: var(--wm-cyan);
  border-color: var(--wm-cyan);
  color: #04121a;
  box-shadow: 0 0 0 4px rgba(34, 224, 214, 0.14);
}

/* 显现（无 JS 时默认可见） */
.wm-js [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.45s var(--wm-ease), transform 0.45s var(--wm-ease);
}

.wm-js [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ============================================================
   响应式
   ============================================================ */
@media (min-width: 641px) {
  .wm-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .wm-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .wm-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .wm-split { grid-template-columns: 7fr 5fr; }
  .wm-section { padding-block: var(--wm-space-3); }
}

@media (min-width: 1440px) {
  :root { --wm-gutter: 56px; }
}

@media (max-width: 1180px) {
  .wm-pulse { display: none; }
  .wm-nav__link { font-size: 13.5px; padding: 8px 10px; }
  .wm-nav__link[aria-current="page"]::after { left: 10px; right: 10px; }
}

@media (max-width: 1023px) {
  .wm-nav-toggle { display: inline-flex; }

  .wm-nav {
    position: fixed;
    inset: 0;
    z-index: 110;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    margin: 0;
    padding: calc(var(--wm-header-h) + 28px) var(--wm-gutter) 40px;
    background: rgba(5, 11, 24, 0.97);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-14px);
    transition: opacity 0.3s var(--wm-ease),
                transform 0.3s var(--wm-ease),
                visibility 0.3s var(--wm-ease);
  }

  .wm-nav[data-open] {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }

  .wm-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    counter-reset: wmnav;
  }

  .wm-nav__item { border-bottom: 1px solid var(--wm-line-soft); }

  .wm-nav__link {
    display: flex;
    align-items: baseline;
    gap: 14px;
    padding: 16px 0;
    border-radius: 0;
    font-size: 20px;
    font-weight: 700;
    color: var(--wm-cream);
    background: none;
  }

  .wm-nav__link::before {
    counter-increment: wmnav;
    content: counter(wmnav, decimal-leading-zero);
    font-family: var(--wm-mono);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.18em;
    color: var(--wm-cyan);
  }

  .wm-nav__link:hover { background: none; color: var(--wm-cyan); }

  .wm-nav__link[aria-current="page"] {
    background: none;
    color: var(--wm-cyan);
  }

  .wm-nav__link[aria-current="page"]::after {
    left: auto;
    right: 0;
    bottom: 22px;
    width: 22px;
    height: 2px;
  }

  .wm-footer__inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .wm-footer__col + .wm-footer__col { border-left: 0; padding-left: 0; }
  .wm-footer__col--brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  :root { --wm-header-h: 66px; }

  body { font-size: 16px; }

  body::before { opacity: 0.4; }

  .wm-header__inner { gap: 10px; }

  .wm-brand__mark { width: 36px; height: 36px; font-size: 10.5px; border-radius: 9px; }

  .wm-brand__name { font-size: 15.5px; }

  .wm-brand__tag { font-size: 9.5px; letter-spacing: 0.12em; }

  .wm-header__cta { padding: 9px 13px; font-size: 13px; }

  .wm-nav-toggle { padding: 9px 11px; }

  .wm-nav-toggle__label { display: none; }

  .wm-glass {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    background: rgba(18, 48, 92, 0.72);
  }

  .wm-rail { gap: 14px; }
  .wm-rail__item { width: min(78vw, 300px); }

  .wm-footer__inner { grid-template-columns: 1fr; padding-top: var(--wm-space-2); }
  .wm-footer__legal-inner { justify-content: flex-start; }
}

@media (max-width: 400px) {
  .wm-brand__tag { display: none; }
}

/* ---------- 无障碍：减少动效 ---------- */
@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;
  }

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

  .wm-btn:hover,
  .wm-card:hover { transform: none; }
}