/* =========================================================
   乐享空间 / lexiang-joyhub.com.cn
   共享外壳样式表  /assets/site.css
   暖纸白纸面 + 暮色靛蓝 + 锐利直角 + 细线刻度
   ========================================================= */

:root {
  --ink: #141414;
  --paper: #F6F1E7;
  --paper-2: #EAE2D3;
  --indigo: #0F1B2E;
  --indigo-2: #1C2E4A;
  --orange: #D9631E;
  --orange-deep: #B44C10;
  --orange-sand: #F3D9C2;
  --celadon: #2F6B58;
  --celadon-pale: #BFD8CD;
  --stone: #6E6A61;
  --gold: #C9A227;

  --rail-w: 120px;
  --quickbar-h: 38px;
  --bar-h: 54px;

  --font-display: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --font-mono: "Roboto Mono", ui-monospace, SFMono-Regular, Consolas, "Noto Sans Mono", monospace;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

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

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

body {
  margin: 0;
  padding-left: var(--rail-w);
  padding-top: var(--quickbar-h);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.75;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, picture, svg { max-width: 100%; }
img { height: auto; }

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.18;
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

ul, ol { margin: 0; padding: 0; }
li { list-style: none; }

a { color: var(--orange-deep); text-decoration: none; }
a:hover { color: var(--orange); }

button { font: inherit; }

:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

::selection {
  background: var(--orange-sand);
  color: var(--ink);
}

/* ---------------- 通用水印与容器 ---------------- */
.wrap {
  width: 100%;
  max-width: 1320px;
  margin-inline: auto;
  padding-inline: clamp(18px, 4vw, 56px);
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.index-label {
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.72;
  white-space: nowrap;
}

.section-index {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--stone);
  margin-bottom: 18px;
}
.section-index::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: var(--celadon-pale);
}

/* ---------------- Skip link ---------------- */
.skip-link {
  position: fixed;
  top: 6px;
  left: 8px;
  z-index: 220;
  padding: 9px 16px;
  background: var(--orange);
  color: var(--paper);
  font-size: 13px;
  letter-spacing: 0.06em;
  border: 1px solid var(--orange);
  transform: translateY(-220%);
  transition: transform 0.22s var(--ease);
}
.skip-link:focus {
  transform: translateY(0);
  color: var(--paper);
}

/* ---------------- 阅读进度 ---------------- */
.read-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 210;
  pointer-events: none;
  background: rgba(191, 216, 205, 0.25);
}
.read-progress > span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--orange);
}

/* ---------------- 速查条 ---------------- */
.quickbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  min-height: var(--quickbar-h);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 22px;
  padding: 0 18px;
  background: var(--indigo);
  color: var(--paper);
  z-index: 200;
  overflow: hidden;
}
.quickbar::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background-image: repeating-linear-gradient(
    90deg,
    var(--celadon-pale) 0 1px,
    transparent 1px 14px
  );
  opacity: 0.32;
  pointer-events: none;
}

.quickbar__cell {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.quickbar__cell--marquee {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
}

.ticks {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--indigo-2);
}
.ticks__item {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 2px 9px;
  color: var(--celadon-pale);
  white-space: nowrap;
}
.ticks__item + .ticks__item { border-left: 1px solid var(--indigo-2); }
.ticks__item--on {
  background: var(--celadon);
  color: var(--paper);
  border-left-color: var(--celadon);
}

.marquee {
  display: inline-flex;
  white-space: nowrap;
  will-change: transform;
}
.marquee__text {
  display: inline-block;
  padding-right: 0;
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--celadon-pale);
  animation: lx-marquee 46s linear infinite;
}
@keyframes lx-marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-100%); }
}

.rate {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--celadon-pale);
  white-space: nowrap;
}
.rate__val {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--orange);
  letter-spacing: 0;
}
.rate i {
  font-style: normal;
  opacity: 0.35;
  padding: 0 2px;
}

/* ---------------- 移动端顶栏 ---------------- */
.mobile-bar {
  display: none;
  position: fixed;
  top: var(--quickbar-h);
  left: 0;
  right: 0;
  height: var(--bar-h);
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 14px;
  background: var(--paper);
  border-bottom: 1px solid var(--celadon-pale);
  z-index: 190;
}

/* ---------------- 移动抽屉开关 ---------------- */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 11px;
  background: transparent;
  border: 1px solid var(--celadon-pale);
  border-radius: 0;
  color: var(--ink);
  cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.nav-toggle:hover { border-color: var(--celadon); }

.nav-toggle__icon {
  display: grid;
  gap: 3px;
  width: 16px;
}
.nav-toggle__icon > span {
  display: block;
  height: 1px;
  background: var(--celadon);
  transition: transform 0.22s var(--ease), opacity 0.22s var(--ease);
}
.site-header[data-open] .nav-toggle__icon > span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.site-header[data-open] .nav-toggle__icon > span:nth-child(2) { opacity: 0; }
.site-header[data-open] .nav-toggle__icon > span:nth-child(3) { transform: translateY(-4px) rotate(-45deg); }

.nav-toggle__label {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--stone);
}

/* ---------------- 遮罩 ---------------- */
.nav-scrim {
  position: fixed;
  inset: var(--quickbar-h) 0 0 0;
  background: rgba(15, 27, 46, 0.44);
  border: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.24s var(--ease), visibility 0.24s var(--ease);
  z-index: 195;
}
.site-header[data-open] .nav-scrim {
  opacity: 1;
  visibility: visible;
}

/* ---------------- 品牌 ---------------- */
.brand {
  display: grid;
  justify-items: center;
  gap: 7px;
  padding: 0 12px;
  text-align: center;
  text-decoration: none;
  color: var(--ink);
}
.brand__stamp {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--gold);
  color: var(--celadon);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1;
}
.brand__name {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--ink);
}
.brand__meta {
  font-size: 9px;
  line-height: 1.5;
  letter-spacing: 0.1em;
  color: var(--stone);
}

.brand--footer { justify-items: start; padding: 0; }
.brand--footer .brand__stamp { color: var(--gold); }
.brand--footer .brand__name { color: var(--paper); font-size: 17px; }

/* ---------------- 左侧轨道 ---------------- */
.rail {
  position: fixed;
  top: var(--quickbar-h);
  left: 0;
  bottom: 0;
  width: var(--rail-w);
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 22px 0 20px;
  background: var(--paper);
  border-right: 1px solid var(--celadon-pale);
  overflow-y: auto;
  z-index: 198;
}

.rail__foot {
  margin-top: auto;
  padding: 0 12px;
}

.rail-cta {
  display: block;
  padding: 11px 4px;
  background: var(--orange);
  border: 1px solid var(--orange);
  color: var(--paper);
  font-size: 12px;
  line-height: 1.3;
  letter-spacing: 0.04em;
  text-align: center;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.rail-cta:hover {
  background: var(--paper);
  color: var(--orange-deep);
}

/* ---------------- 轨道导航 ---------------- */
.rail-nav { width: 100%; }

.rail-nav__list {
  display: flex;
  flex-direction: column;
}

.rail-nav__link {
  display: flex;
  align-items: baseline;
  gap: 7px;
  padding: 9px 8px 9px 13px;
  border-left: 2px solid transparent;
  font-size: 13px;
  line-height: 1.35;
  color: var(--stone);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.rail-nav__link:hover {
  color: var(--ink);
  border-left-color: var(--celadon-pale);
}
.rail-nav__link[aria-current="page"],
.rail-nav__link.is-current {
  color: var(--ink);
  border-left-color: var(--celadon);
  background: var(--paper-2);
}
.rail-nav__link.is-section {
  border-left-color: var(--celadon-pale);
  color: var(--ink);
}

.rail-nav__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.04em;
  color: var(--celadon);
  opacity: 0.85;
}
.rail-nav__link[aria-current="page"] .rail-nav__num,
.rail-nav__link.is-current .rail-nav__num { color: var(--orange-deep); }

.rail-nav__label { flex: 1 1 auto; }

/* ---------------- 页脚 ---------------- */
.site-footer {
  background: var(--indigo);
  color: var(--paper);
  padding: 58px 0 26px;
  border-top: 1px solid var(--indigo-2);
}

.site-footer__inner {
  max-width: 1320px;
  margin-inline: auto;
  padding-inline: clamp(18px, 4vw, 56px);
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: clamp(20px, 2.6vw, 42px);
}

.site-footer__brand {
  display: grid;
  align-content: start;
  gap: 14px;
}

.site-footer__lede {
  font-size: 13px;
  line-height: 1.85;
  color: var(--celadon-pale);
  max-width: 26ch;
  margin: 0;
}

.site-footer__col {
  display: grid;
  align-content: start;
  gap: 12px;
  padding-top: 4px;
  border-top: 1px solid var(--indigo-2);
}

.site-footer__title {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.site-footer__list {
  display: grid;
  gap: 7px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--paper);
}
.site-footer__list a {
  color: var(--paper);
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.site-footer__list a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.site-footer__mail {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: -0.01em;
  word-break: break-all;
  color: var(--celadon-pale);
}
.site-footer__addr {
  color: var(--celadon-pale);
  font-size: 12.5px;
  line-height: 1.7;
}

.tag {
  display: inline-block;
  font-size: 9px;
  letter-spacing: 0.1em;
  padding: 1px 5px;
  border: 1px solid currentColor;
  vertical-align: 1px;
}
.tag--core { color: var(--gold); }

.site-footer__base {
  max-width: 1320px;
  margin: 44px auto 0;
  padding: 18px clamp(18px, 4vw, 56px) 0;
  border-top: 1px solid var(--indigo-2);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  align-items: baseline;
  justify-content: space-between;
}

.site-footer__note {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--celadon-pale);
  max-width: 62ch;
}

.site-footer__legal {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--celadon-pale);
}

/* ---------------- 通用正文组件 ---------------- */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border: 1px solid var(--ink);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font-size: 13.5px;
  letter-spacing: 0.06em;
  text-align: center;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.btn--primary {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--paper);
}
.btn--primary:hover {
  background: var(--orange-deep);
  border-color: var(--orange-deep);
  color: var(--paper);
}
.btn--ghost:hover {
  background: var(--ink);
  color: var(--paper);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--stone);
}
.breadcrumbs a {
  color: var(--stone);
  border-bottom: 1px solid transparent;
}
.breadcrumbs a:hover {
  color: var(--orange-deep);
  border-bottom-color: var(--orange-deep);
}
.breadcrumbs span[aria-current="page"] { color: var(--ink); }
.breadcrumbs li { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumbs li + li::before {
  content: "/";
  color: var(--celadon-pale);
  letter-spacing: 0;
}

.card {
  display: block;
  padding: 20px 22px;
  background: var(--paper);
  border: 1px solid var(--celadon-pale);
  border-radius: 0;
}
.card--indigo {
  background: var(--indigo-2);
  border-color: var(--indigo-2);
  color: var(--paper);
}
.card--sand {
  background: var(--orange-sand);
  border-color: var(--orange-sand);
}
.card--indigo a { color: var(--orange); }

/* ---------------- 图片容器 ---------------- */
.media {
  position: relative;
  display: block;
  margin: 0;
  overflow: hidden;
  background: var(--paper-2);
  border: 1px solid var(--celadon-pale);
  border-radius: 0;
}
.media > img,
.media > picture { display: block; width: 100%; }
.media > img,
.media > picture > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.94);
}
.media--21x9 { aspect-ratio: 21 / 9; }
.media--16x9 { aspect-ratio: 16 / 9; }
.media--4x3  { aspect-ratio: 4 / 3; }
.media--1x1  { aspect-ratio: 1 / 1; }

.media__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 5px 10px;
  background: rgba(15, 27, 46, 0.84);
  color: var(--paper);
  font-size: 10px;
  letter-spacing: 0.14em;
}

/* ---------------- 入场显现 ---------------- */
[data-reveal].reveal-ready {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
[data-reveal].reveal-ready.is-in {
  opacity: 1;
  transform: translateY(0);
}

/* ---------------- 平板 ---------------- */
@media (max-width: 1080px) {
  :root { --rail-w: 104px; }
  .rail-nav__link { font-size: 12.5px; padding-left: 11px; }
  .site-footer__inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px 32px;
  }
  .site-footer__brand { grid-column: 1 / -1; }
}

/* ---------------- 移动 ---------------- */
@media (max-width: 900px) {
  body {
    padding-left: 0;
    padding-top: calc(var(--quickbar-h) + var(--bar-h));
    font-size: 16px;
  }

  .quickbar {
    grid-template-columns: auto auto;
    justify-content: space-between;
    gap: 12px;
    padding: 0 12px;
  }
  .quickbar__cell--marquee { display: none; }
  .quickbar__cell--reschedule .index-label,
  .quickbar__cell--rush .index-label { display: none; }

  .mobile-bar { display: flex; }

  .rail {
    top: calc(var(--quickbar-h) + var(--bar-h));
    width: min(86vw, 320px);
    padding: 20px 16px 22px;
    gap: 18px;
    transform: translateX(-102%);
    transition: transform 0.28s var(--ease);
    will-change: transform;
  }
  .site-header[data-open] .rail { transform: translateX(0); }

  .rail .brand { display: none; }

  .rail-nav__link {
    padding: 13px 8px;
    font-size: 15px;
    border-left-width: 2px;
  }
  .rail-nav__num { font-size: 10px; }

  .rail__foot { padding: 0; }
  .rail-cta { padding: 15px 8px; font-size: 14px; }

  .site-footer { padding-top: 44px; }
  .site-footer__inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 26px 20px;
  }
  .site-footer__brand { grid-column: 1 / -1; }
  .site-footer__lede { max-width: none; }
  .site-footer__base { margin-top: 32px; }
}

/* ---------------- 小屏 ---------------- */
@media (max-width: 560px) {
  .site-footer__inner { grid-template-columns: 1fr; }
  .site-footer__base { flex-direction: column; align-items: flex-start; }
  .brand--bar .brand__stamp { width: 34px; height: 34px; font-size: 12px; }
  .brand--bar .brand__name { font-size: 12px; }
}

/* ---------------- 动效与偏好 ---------------- */
@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;
  }
  .marquee__text { animation: none; }
  [data-reveal].reveal-ready {
    opacity: 1 !important;
    transform: none !important;
  }
  .read-progress > span { transition: none; }
}