/* ============================================================
   乐球指南 · 共享站点样式 /assets/site.css
   ============================================================ */

:root {
  --lq-ink: #0E2A24;
  --lq-night: #071814;
  --lq-orange: #FF6A2B;
  --lq-cyan: #19D3C5;
  --lq-paper: #F5EFE3;
  --lq-white: #FFFFFF;
  --lq-wine: #B43A4A;
  --lq-indigo: #3B2A6B;
  --lq-moss: #2A6B5A;
  --lq-sand: #D8CDBA;
  --lq-peach: #FFB38A;

  --lq-font-head: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --lq-font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --lq-font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --lq-border: 3px solid var(--lq-sand);
  --lq-shadow-hard: 14px 14px 0 rgba(7, 24, 20, 0.82);
  --lq-shadow-soft: 8px 8px 0 rgba(7, 24, 20, 0.22);
  --lq-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --lq-radius: 18px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 108px;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--lq-ink);
  background-image:
    radial-gradient(circle at 10% 4%, rgba(25, 211, 197, 0.12), transparent 44%),
    radial-gradient(circle at 92% 0%, rgba(255, 106, 43, 0.12), transparent 42%),
    linear-gradient(180deg, #0E2A24 0%, #071814 100%);
  color: var(--lq-paper);
  font-family: var(--lq-font-body);
  font-size: clamp(16px, 0.55vw + 14px, 17.5px);
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
}

img, svg, video, canvas { display: block; max-width: 100%; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p, figure, blockquote { margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; width: 100%; }

:where(a, button, input, textarea, select, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--lq-cyan);
  outline-offset: 3px;
  border-radius: 8px;
}

/* ---------- 中文排版 ---------- */
h1, h2, h3, h4 {
  font-family: var(--lq-font-head);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.03em;
  color: var(--lq-white);
  text-wrap: balance;
}

h1 { font-size: clamp(2.1rem, 7vw, 4.6rem); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }
h3 { font-size: clamp(1.15rem, 1.8vw, 1.5rem); letter-spacing: -0.02em; }
h4 { font-size: clamp(1rem, 1.4vw, 1.15rem); letter-spacing: -0.01em; }

p { text-wrap: pretty; }

.lq-mono {
  font-family: var(--lq-font-mono);
  font-weight: 500;
  font-size: 0.78em;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lq-index {
  font-family: var(--lq-font-mono);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--lq-cyan);
}

.lq-lead {
  font-size: clamp(1.02rem, 1.25vw, 1.2rem);
  line-height: 1.72;
  font-weight: 500;
  color: rgba(245, 239, 227, 0.86);
  max-width: 34em;
}

.lq-visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ---------- 容器与网格 ---------- */
.lq-container {
  width: min(100% - 2 * clamp(16px, 4vw, 40px), 1180px);
  margin-inline: auto;
}

.lq-section { padding-block: clamp(34px, 5.5vw, 76px); }

.lq-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: clamp(18px, 2.6vw, 30px);
}

.lq-grid { display: grid; gap: clamp(16px, 2.4vw, 28px); }
.lq-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.lq-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.lq-grid--asym { grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); align-items: start; }

/* ---------- 按钮 ---------- */
.lq-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border: 2px solid transparent;
  border-radius: 999px;
  font-family: var(--lq-font-head);
  font-weight: 800;
  font-size: 14px;
  line-height: 1.2;
  letter-spacing: 0.01em;
  text-align: center;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease,
              background-color 120ms ease, border-color 120ms ease, color 120ms ease;
}

.lq-btn--primary {
  background: var(--lq-orange);
  color: var(--lq-night);
  border-color: var(--lq-night);
  box-shadow: 4px 4px 0 rgba(7, 24, 20, 0.85);
}
.lq-btn--primary:hover {
  background: var(--lq-peach);
  transform: translate(-1px, -1px);
  box-shadow: 6px 6px 0 rgba(7, 24, 20, 0.85);
}
.lq-btn--primary:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 rgba(7, 24, 20, 0.85);
}

.lq-btn--cyan {
  background: var(--lq-cyan);
  color: var(--lq-night);
  border-color: var(--lq-night);
  box-shadow: 4px 4px 0 rgba(7, 24, 20, 0.85);
}
.lq-btn--cyan:hover {
  background: #6FF0E5;
  transform: translate(-1px, -1px);
  box-shadow: 6px 6px 0 rgba(7, 24, 20, 0.85);
}

.lq-btn--ghost {
  background: transparent;
  color: var(--lq-paper);
  border-color: var(--lq-sand);
}
.lq-btn--ghost:hover {
  background: rgba(245, 239, 227, 0.1);
  border-color: var(--lq-cyan);
  color: var(--lq-white);
}

.lq-btn--block { width: 100%; }

/* ============================================================
   头部
   ============================================================ */
.lq-header {
  position: sticky;
  top: 0;
  z-index: 90;
  padding: clamp(10px, 1.5vw, 18px) clamp(10px, 3vw, 28px);
  pointer-events: none;
}

.lq-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  z-index: 100;
  background: rgba(7, 24, 20, 0.72);
  pointer-events: none;
}

.lq-progress__bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--lq-cyan), var(--lq-orange));
  box-shadow: 0 0 14px rgba(25, 211, 197, 0.6);
}

.lq-skip {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 12px 22px;
  border: 3px solid var(--lq-night);
  border-radius: 12px;
  background: var(--lq-cyan);
  color: var(--lq-night);
  font-family: var(--lq-font-head);
  font-weight: 800;
  font-size: 15px;
  transform: translateY(-220%);
  pointer-events: auto;
  transition: transform 180ms var(--lq-ease);
}
.lq-skip:focus-visible { transform: translateY(0); }

.lq-capsule {
  position: relative;
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: clamp(8px, 1.4vw, 20px);
  width: min(100%, 1240px);
  margin-inline: auto;
  padding: 8px 10px 8px 16px;
  border: 3px solid var(--lq-sand);
  border-radius: 999px;
  background: rgba(14, 42, 36, 0.94);
  box-shadow: 0 8px 0 rgba(7, 24, 20, 0.7);
  transition: box-shadow 180ms var(--lq-ease), background-color 180ms var(--lq-ease),
              transform 180ms var(--lq-ease);
}

.lq-header[data-scrolled] .lq-capsule {
  background: rgba(7, 24, 20, 0.97);
  box-shadow: 0 4px 0 rgba(7, 24, 20, 0.9), 0 14px 34px rgba(0, 0, 0, 0.45);
  transform: translateY(-1px);
}

/* 品牌 */
.lq-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  padding-right: 6px;
}

.lq-brand__mark {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--lq-orange);
  color: var(--lq-night);
  font-family: var(--lq-font-mono);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0;
  box-shadow: 0 0 0 3px rgba(255, 106, 43, 0.22);
}

.lq-brand__text { display: flex; flex-direction: column; line-height: 1.12; }

.lq-brand__name {
  font-family: var(--lq-font-head);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: -0.02em;
  color: var(--lq-white);
}

.lq-brand__tagline {
  font-family: var(--lq-font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--lq-cyan);
  text-transform: uppercase;
}

/* 导航 */
.lq-nav { flex: 1 1 auto; min-width: 0; }

.lq-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: nowrap;
}

.lq-nav__item { min-width: 0; }

.lq-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 11px;
  border: 2px solid transparent;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 500;
  white-space: nowrap;
  color: rgba(245, 239, 227, 0.82);
  transition: color 120ms ease, background-color 120ms ease,
              border-color 120ms ease, box-shadow 120ms ease;
}
.lq-nav__link:hover {
  color: var(--lq-white);
  background: rgba(25, 211, 197, 0.14);
}
.lq-nav__link[aria-current="page"] {
  background: var(--lq-cyan);
  border-color: var(--lq-cyan);
  color: var(--lq-night);
  font-weight: 700;
  box-shadow: 0 0 0 3px rgba(25, 211, 197, 0.18);
}

/* 行动区 */
.lq-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex: 0 0 auto;
}

.lq-search {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 2px solid rgba(25, 211, 197, 0.48);
  border-radius: 999px;
  background: rgba(25, 211, 197, 0.08);
  transition: border-color 140ms ease, box-shadow 140ms ease, background-color 140ms ease;
}
.lq-search:focus-within {
  border-color: var(--lq-cyan);
  background: rgba(25, 211, 197, 0.14);
  box-shadow: 0 0 0 3px rgba(25, 211, 197, 0.22);
}

.lq-search__icon {
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  fill: none;
  stroke: var(--lq-cyan);
  stroke-width: 2;
  stroke-linecap: round;
}

.lq-search__input {
  width: 152px;
  padding: 2px 0;
  border: 0;
  background: transparent;
  color: var(--lq-paper);
  font-size: 13px;
  -webkit-appearance: none;
  appearance: none;
}
.lq-search__input::placeholder { color: rgba(245, 239, 227, 0.55); }
.lq-search__input:focus { outline: none; }
.lq-search__input::-webkit-search-cancel-button { -webkit-appearance: none; }

/* 汉堡按钮 */
.lq-nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border: 2px solid var(--lq-sand);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  transition: border-color 140ms ease, background-color 140ms ease;
}
.lq-nav-toggle:hover { border-color: var(--lq-cyan); background: rgba(25, 211, 197, 0.12); }

.lq-nav-toggle__bars,
.lq-nav-toggle__bars::before,
.lq-nav-toggle__bars::after {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--lq-paper);
  transition: transform 180ms var(--lq-ease), background-color 180ms var(--lq-ease);
}
.lq-nav-toggle__bars { position: relative; }
.lq-nav-toggle__bars::before,
.lq-nav-toggle__bars::after { content: ""; position: absolute; left: 0; }
.lq-nav-toggle__bars::before { top: -6px; }
.lq-nav-toggle__bars::after { top: 6px; }

.lq-nav-toggle[aria-expanded="true"] .lq-nav-toggle__bars { background: transparent; }
.lq-nav-toggle[aria-expanded="true"] .lq-nav-toggle__bars::before { transform: translateY(6px) rotate(45deg); }
.lq-nav-toggle[aria-expanded="true"] .lq-nav-toggle__bars::after { transform: translateY(-6px) rotate(-45deg); }

/* ============================================================
   面板 / 卡片 / 标签
   ============================================================ */
.lq-panel {
  position: relative;
  padding: clamp(20px, 3.2vw, 40px);
  border: var(--lq-border);
  border-radius: 22px;
  background: var(--lq-paper);
  color: #10231F;
  box-shadow: var(--lq-shadow-hard);
}
.lq-panel + .lq-panel { margin-top: clamp(22px, 3.4vw, 48px); }

.lq-panel--dark { background: #0B231D; color: var(--lq-paper); border-color: var(--lq-moss); }
.lq-panel--wine { background: var(--lq-wine); color: var(--lq-white); border-color: #6E1F2A; }
.lq-panel--indigo { background: var(--lq-indigo); color: var(--lq-white); border-color: #241844; }
.lq-panel--moss { background: var(--lq-moss); color: var(--lq-white); border-color: #17453A; }
.lq-panel--orange { background: var(--lq-orange); color: var(--lq-night); border-color: #B2430F; }

.lq-panel :is(h1, h2, h3, h4) { color: inherit; }

.lq-panel__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-family: var(--lq-font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: currentColor;
  opacity: 0.7;
}

.lq-panel__title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin-bottom: 14px;
}

.lq-panel__body {
  max-width: 38em;
  font-size: clamp(15.5px, 0.4vw + 14px, 17px);
  line-height: 1.78;
  color: inherit;
  opacity: 0.92;
}

.lq-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(16px, 2.2vw, 24px);
  border: var(--lq-border);
  border-radius: 16px;
  background: #FFFDF7;
  color: #10231F;
  box-shadow: var(--lq-shadow-soft);
  transition: transform 160ms var(--lq-ease), box-shadow 160ms var(--lq-ease);
}
.lq-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 12px 12px 0 rgba(7, 24, 20, 0.28);
}
.lq-card :is(h1, h2, h3, h4) { color: inherit; }

.lq-card__meta {
  font-family: var(--lq-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #4C6B62;
}

.lq-card__title {
  font-size: clamp(1.05rem, 1.5vw, 1.3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.lq-card__text {
  font-size: 15px;
  line-height: 1.72;
  color: #2A3D38;
}

.lq-card__link {
  align-self: flex-start;
  margin-top: auto;
  padding-bottom: 2px;
  border-bottom: 2px solid currentColor;
  font-family: var(--lq-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #0B5F52;
  transition: color 120ms ease;
}
.lq-card__link:hover { color: var(--lq-orange); }

.lq-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 2px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: var(--lq-indigo);
  color: var(--lq-white);
  font-family: var(--lq-font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  white-space: nowrap;
}
.lq-tag--wine { background: var(--lq-wine); }
.lq-tag--moss { background: var(--lq-moss); }
.lq-tag--orange { background: var(--lq-orange); color: var(--lq-night); border-color: rgba(7, 24, 20, 0.25); }
.lq-tag--cyan { background: var(--lq-cyan); color: var(--lq-night); border-color: rgba(7, 24, 20, 0.25); }

/* ---------- 正文长文 ---------- */
.lq-prose {
  max-width: 42rem;
  color: inherit;
  font-size: clamp(15.5px, 0.4vw + 14px, 17px);
  line-height: 1.8;
}
.lq-prose > * + * { margin-top: 1.05em; }
.lq-prose h2 { margin-top: 1.9em; font-size: clamp(1.4rem, 2.4vw, 1.9rem); }
.lq-prose h3 { margin-top: 1.6em; }
.lq-prose ul { list-style: disc; padding-left: 1.35em; }
.lq-prose ol { list-style: decimal; padding-left: 1.35em; }
.lq-prose li + li { margin-top: 0.4em; }
.lq-prose a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--lq-orange);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}
.lq-prose a:hover { color: var(--lq-orange); }
.lq-prose strong { font-weight: 800; }

/* ---------- 面包屑 ---------- */
.lq-breadcrumb {
  font-family: var(--lq-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}
.lq-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: rgba(245, 239, 227, 0.6);
}
.lq-breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.lq-breadcrumb__item + .lq-breadcrumb__item::before {
  content: "/";
  color: rgba(25, 211, 197, 0.65);
}
.lq-breadcrumb__link { color: rgba(245, 239, 227, 0.8); transition: color 120ms ease; }
.lq-breadcrumb__link:hover { color: var(--lq-cyan); }
.lq-breadcrumb__current { color: var(--lq-cyan); }

/* ---------- 图片容器 ---------- */
.lq-media {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: var(--lq-border);
  border-radius: 16px;
  background-color: #0B231D;
  background-image:
    repeating-linear-gradient(118deg, rgba(25, 211, 197, 0.16) 0 2px, transparent 2px 26px),
    radial-gradient(circle at 28% 22%, rgba(255, 106, 43, 0.34), transparent 58%),
    radial-gradient(circle at 78% 82%, rgba(25, 211, 197, 0.26), transparent 52%);
}

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

.lq-media--wide { aspect-ratio: 21 / 9; }
.lq-media--tall { aspect-ratio: 3 / 4; }
.lq-media--square { aspect-ratio: 1 / 1; }

.lq-media__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 10px 14px;
  background: rgba(7, 24, 20, 0.84);
  color: var(--lq-paper);
  font-family: var(--lq-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ============================================================
   交互组件
   ============================================================ */
.lq-tabs__list {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px;
  overflow-x: auto;
  border: var(--lq-border);
  border-radius: 999px;
  background: rgba(7, 24, 20, 0.55);
  scrollbar-width: thin;
}

.lq-tabs__tab {
  flex: 0 0 auto;
  padding: 9px 16px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: rgba(245, 239, 227, 0.78);
  font-family: var(--lq-font-head);
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 180ms var(--lq-ease), color 180ms var(--lq-ease),
              box-shadow 180ms var(--lq-ease);
}
.lq-tabs__tab:hover { color: var(--lq-white); background: rgba(25, 211, 197, 0.16); }
.lq-tabs__tab[aria-selected="true"] {
  background: var(--lq-orange);
  color: var(--lq-night);
  box-shadow: 0 4px 0 rgba(7, 24, 20, 0.6);
}

.lq-tabs__panel { padding-top: clamp(16px, 2.4vw, 26px); }
.lq-tabs__panel[hidden] { display: none; }

.lq-acc { display: grid; gap: 12px; }

.lq-acc__item {
  overflow: hidden;
  border: var(--lq-border);
  border-radius: 16px;
  background: #FFFDF7;
  color: #10231F;
  box-shadow: var(--lq-shadow-soft);
}
.lq-acc__item :is(h1, h2, h3, h4) { color: inherit; }

.lq-acc__trigger {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 16px 18px;
  border: 0;
  background: transparent;
  color: inherit;
  font-family: var(--lq-font-head);
  font-weight: 800;
  font-size: 16px;
  text-align: left;
  cursor: pointer;
  transition: background-color 160ms ease;
}
.lq-acc__trigger:hover { background: rgba(25, 211, 197, 0.14); }
.lq-acc__trigger::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--lq-font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--lq-moss);
}
.lq-acc__trigger[aria-expanded="true"]::after { content: "−"; color: var(--lq-orange); }

.lq-acc__num {
  flex: 0 0 auto;
  font-family: var(--lq-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lq-orange);
}

.lq-acc__label { flex: 1 1 auto; }

.lq-acc__panel { padding: 0 18px 18px; }
.lq-acc__panel[hidden] { display: none; }

.lq-acc__inner {
  padding-top: 14px;
  border-top: 2px dashed var(--lq-sand);
  font-size: 15.5px;
  line-height: 1.78;
  color: #2A3D38;
}

.lq-strip {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
}

.lq-strip__track {
  display: flex;
  gap: 14px;
  padding: 6px 2px 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.lq-strip__item {
  flex: 0 0 clamp(216px, 31vw, 318px);
  scroll-snap-align: start;
}

.lq-strip__btn {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 3px solid var(--lq-sand);
  border-radius: 50%;
  background: var(--lq-night);
  color: var(--lq-paper);
  font-family: var(--lq-font-mono);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  transition: border-color 140ms ease, color 140ms ease, background-color 140ms ease;
}
.lq-strip__btn:hover {
  border-color: var(--lq-cyan);
  color: var(--lq-cyan);
  background: rgba(25, 211, 197, 0.14);
}

.lq-steps { display: grid; gap: 14px; }

.lq-steps__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 16px;
  padding: 16px 18px;
  border: var(--lq-border);
  border-radius: 16px;
  background: rgba(7, 24, 20, 0.38);
}

.lq-steps__num {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--lq-orange);
  color: var(--lq-night);
  font-family: var(--lq-font-mono);
  font-weight: 700;
  font-size: 17px;
  transition: background-color 140ms ease, color 140ms ease;
}
.lq-steps__item:hover .lq-steps__num {
  background: var(--lq-white);
  color: var(--lq-orange);
}

.lq-steps__title {
  font-family: var(--lq-font-head);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--lq-white);
}

.lq-steps__text {
  margin-top: 4px;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(245, 239, 227, 0.82);
}

/* ---------- JS 状态类 ---------- */
.is-dim {
  opacity: 0.26;
  filter: grayscale(1);
  transition: opacity 160ms ease, filter 160ms ease;
}

.will-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 420ms var(--lq-ease), transform 420ms var(--lq-ease);
}
.will-reveal.is-revealed {
  opacity: 1;
  transform: none;
}

/* ============================================================
   页脚
   ============================================================ */
.lq-footer {
  position: relative;
  margin-top: clamp(40px, 6vw, 84px);
  padding-top: clamp(38px, 5vw, 66px);
  border-top: 4px solid var(--lq-sand);
  background: linear-gradient(180deg, #071814 0%, #0E2A24 58%, #071814 100%);
  color: var(--lq-paper);
  overflow: hidden;
}

.lq-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(216, 205, 186, 0.07) 0 1px, transparent 1px 84px),
    radial-gradient(circle at 86% 12%, rgba(25, 211, 197, 0.16), transparent 46%),
    radial-gradient(circle at 6% 88%, rgba(255, 106, 43, 0.12), transparent 44%);
}

.lq-footer__inner { position: relative; }

.lq-footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 42px);
}

.lq-footer__brand { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }

.lq-footer__name {
  font-family: var(--lq-font-head);
  font-weight: 900;
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  letter-spacing: -0.03em;
  color: var(--lq-white);
}

.lq-footer__summary {
  max-width: 26em;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(245, 239, 227, 0.76);
}

.lq-footer__col { display: flex; flex-direction: column; gap: 12px; }

.lq-footer__title {
  font-family: var(--lq-font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lq-cyan);
}

.lq-footer__links { display: flex; flex-direction: column; gap: 8px; }

.lq-footer__link {
  display: inline-block;
  font-size: 15px;
  color: rgba(245, 239, 227, 0.78);
  border-bottom: 2px solid transparent;
  transition: color 120ms ease, border-color 120ms ease;
}
.lq-footer__link:hover {
  color: var(--lq-white);
  border-bottom-color: var(--lq-orange);
}
.lq-footer__link[aria-current="page"] {
  color: var(--lq-cyan);
  border-bottom-color: var(--lq-cyan);
}

.lq-footer__contact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: clamp(24px, 3.4vw, 40px);
  padding: clamp(16px, 2.2vw, 22px);
  border: 3px solid rgba(216, 205, 186, 0.45);
  border-left: 8px solid var(--lq-orange);
  border-radius: 14px;
  background: rgba(7, 24, 20, 0.6);
}

.lq-footer__line {
  font-family: var(--lq-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: rgba(245, 239, 227, 0.82);
  word-break: break-word;
}

.lq-footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 32px);
  padding-block: 18px 24px;
  border-top: 2px solid rgba(216, 205, 186, 0.28);
}

.lq-footer__meta,
.lq-footer__icp {
  font-family: var(--lq-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(245, 239, 227, 0.6);
}

.lq-footer__icp { color: rgba(25, 211, 197, 0.75); }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1120px) {
  .lq-search { display: none; }
  .lq-nav-toggle { display: inline-flex; }
  .lq-brand__tagline { display: none; }

  .lq-capsule { border-radius: 24px; }

  .lq-nav {
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    right: 0;
    display: none;
    padding: 10px;
    border: 3px solid var(--lq-sand);
    border-radius: 22px;
    background: var(--lq-night);
    box-shadow: 0 10px 0 rgba(0, 0, 0, 0.55);
  }

  .lq-capsule[data-open] .lq-nav { display: block; }

  .lq-nav__list { flex-direction: column; align-items: stretch; gap: 4px; }

  .lq-nav__link {
    width: 100%;
    padding: 13px 16px;
    border-radius: 14px;
    font-size: 16px;
  }
}

@media (max-width: 900px) {
  .lq-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lq-grid--asym { grid-template-columns: minmax(0, 1fr); }
  .lq-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lq-panel { box-shadow: 10px 10px 0 rgba(7, 24, 20, 0.85); }
}

@media (max-width: 720px) {
  html { scroll-padding-top: 92px; }
  .lq-section { padding-block: clamp(28px, 6vw, 48px); }
  .lq-panel + .lq-panel { margin-top: 22px; }
  .lq-footer__legal { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  .lq-grid--2,
  .lq-grid--3 { grid-template-columns: minmax(0, 1fr); }

  .lq-header { padding-inline: 10px; }
  .lq-capsule { padding: 7px 8px 7px 12px; gap: 8px; }
  .lq-brand { gap: 8px; padding-right: 2px; }
  .lq-brand__mark { width: 33px; height: 33px; font-size: 12px; border-radius: 10px; }
  .lq-brand__name { font-size: 15.5px; }
  .lq-actions { gap: 6px; }
  .lq-actions .lq-btn { padding: 9px 14px; font-size: 13px; }
  .lq-nav-toggle { width: 40px; height: 40px; }

  .lq-strip { grid-template-columns: minmax(0, 1fr); }
  .lq-strip__btn { display: none; }
  .lq-strip__item { flex-basis: 78%; }

  .lq-footer__grid { grid-template-columns: minmax(0, 1fr); }
  .lq-steps__item { grid-template-columns: minmax(0, 1fr); }
  .lq-steps__num { width: 38px; height: 38px; font-size: 15px; }
}

@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;
  }
  .will-reveal {
    opacity: 1 !important;
    transform: none !important;
  }
  .lq-card:hover,
  .lq-btn--primary:hover,
  .lq-btn--cyan:hover { transform: none; }
}
