/* ============================================================
   乐鱼看台 · 共享样式 /assets/site.css
   夜场数据看台：深海蓝底 / 珠宝色分区 / 荧光青与珊瑚橙锚点
   ============================================================ */

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

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

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

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

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

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

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

table { border-collapse: collapse; border-spacing: 0; }

/* ---------- 变量 ---------- */
:root {
  /* 主色 */
  --ly-navy:        #061A2C;
  --ly-navy-deep:   #041220;
  --ly-teal:        #0C3A3C;
  --ly-indigo:      #191A4A;
  --ly-wine:        #521A30;
  --ly-cyan:        #38E8CE;
  --ly-coral:       #FF6B4A;
  --ly-slate:       #7E93A6;
  --ly-mist:        #E9F1F6;
  --ly-paper:       #F3F6F8;
  --ly-ink:         #0D1620;

  /* 热力色阶：冷端低档 → 暖端高档 */
  --ly-heat-1:      #1E6E7A;
  --ly-heat-2:      #2FB79C;
  --ly-heat-3:      #C7D93B;
  --ly-heat-4:      #FF6B4A;

  /* 边界与材质 */
  --ly-line:        rgba(233, 241, 246, 0.10);
  --ly-line-strong: rgba(233, 241, 246, 0.28);
  --ly-glass:       rgba(233, 241, 246, 0.04);
  --ly-shadow-rest: 0 1px 0 rgba(233, 241, 246, 0.10),
                    0 18px 34px -30px rgba(0, 0, 0, 0.95);

  /* 字体 */
  --ly-font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", Georgia, serif;
  --ly-font-body:    "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --ly-font-label:   "Inter", "Helvetica Neue", Arial, sans-serif;
  --ly-font-mono:    "IBM Plex Mono", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* 度量 */
  --ly-container:   1320px;
  --ly-gutter:      clamp(18px, 4vw, 48px);
  --ly-header-h:    66px;
  --ly-status-h:    28px;
}

/* ---------- 基础排版 ---------- */
body {
  min-height: 100vh;
  background-color: var(--ly-navy);
  color: var(--ly-mist);
  font-family: var(--ly-font-body);
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--ly-font-display);
  font-weight: 700;
  line-height: 1.25;
  color: var(--ly-mist);
}

::selection {
  background: var(--ly-cyan);
  color: var(--ly-ink);
}

:focus-visible {
  outline: 2px solid var(--ly-cyan);
  outline-offset: 2px;
}

#main-content { scroll-margin-top: 108px; }

/* ---------- 工具类 ---------- */
.ly-container {
  width: 100%;
  max-width: var(--ly-container);
  margin-inline: auto;
  padding-inline: var(--ly-gutter);
}

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

.ly-section { padding-block: clamp(48px, 7vw, 96px); }

.ly-section--tint { background-color: var(--ly-teal); }

.ly-eyebrow {
  font-family: var(--ly-font-label);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ly-cyan);
}

.ly-rule {
  height: 1px;
  border: 0;
  background-color: var(--ly-line);
}

.ly-num {
  font-family: var(--ly-font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  letter-spacing: -0.01em;
}

.ly-num--coral { color: var(--ly-coral); }

.ly-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border: 1px solid var(--ly-line);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ly-slate);
  background-color: var(--ly-glass);
}

.ly-chip--cyan {
  border-color: rgba(56, 232, 206, 0.42);
  color: var(--ly-cyan);
}

.ly-chip--coral {
  border-color: rgba(255, 107, 74, 0.42);
  color: var(--ly-coral);
}

/* ---------- 按钮 ---------- */
.ly-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 18px;
  border: 1px solid var(--ly-line-strong);
  background-color: transparent;
  color: var(--ly-mist);
  font-family: var(--ly-font-body);
  font-size: 14px;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: background-color 0.18s ease, border-color 0.18s ease,
              color 0.18s ease, transform 0.18s ease;
}

.ly-btn:hover {
  border-color: rgba(56, 232, 206, 0.6);
  background-color: rgba(56, 232, 206, 0.10);
  transform: translateY(-1px);
}

.ly-btn--primary {
  background-color: var(--ly-cyan);
  border-color: var(--ly-cyan);
  color: var(--ly-ink);
  font-weight: 600;
}

.ly-btn--primary:hover {
  background-color: #5ff2db;
  border-color: #5ff2db;
  color: var(--ly-ink);
}

/* ---------- 跳转链接 ---------- */
.ly-skip {
  position: absolute;
  top: -120px;
  left: var(--ly-gutter);
  z-index: 90;
  padding: 10px 18px;
  background-color: var(--ly-cyan);
  color: var(--ly-ink);
  font-size: 14px;
  font-weight: 700;
  transition: top 0.2s ease;
}

.ly-skip:focus {
  top: 6px;
}

/* ---------- 状态细带 ---------- */
.ly-status-strip {
  height: var(--ly-status-h);
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--ly-navy-deep);
  border-bottom: 1px solid var(--ly-line);
}

.ly-status-strip__track {
  display: flex;
  align-items: center;
  width: max-content;
  animation: ly-ticker 46s linear infinite;
}

.ly-status-strip__group {
  display: flex;
  align-items: center;
  gap: clamp(28px, 5vw, 64px);
  padding-inline: clamp(28px, 5vw, 64px);
}

.ly-status-strip__item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--ly-slate);
  white-space: nowrap;
}

.ly-status-strip__item .ly-num {
  color: var(--ly-mist);
  font-size: 12px;
}

@keyframes ly-ticker {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-50%, 0, 0); }
}

/* ---------- 头部 ---------- */
.ly-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 70;
  color: var(--ly-mist);
}

.ly-header__bar {
  position: relative;
  background: linear-gradient(180deg, rgba(4, 18, 32, 0.80), rgba(4, 18, 32, 0.20));
  transition: background-color 0.24s ease, box-shadow 0.24s ease;
}

.ly-header[data-scrolled="true"] .ly-header__bar {
  background: var(--ly-navy);
  box-shadow: var(--ly-shadow-rest);
}

.ly-header__inner {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
  min-height: var(--ly-header-h);
  padding-block: 8px;
}

.ly-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--ly-cyan), var(--ly-coral));
  transform: scaleX(0);
  transform-origin: 0 50%;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.ly-header[data-scrolled="true"] .ly-progress { opacity: 0.9; }

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

.ly-brand__mark {
  width: 8px;
  height: 28px;
  background: linear-gradient(180deg, var(--ly-cyan), var(--ly-coral));
  box-shadow: 0 0 18px -4px var(--ly-cyan);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.ly-brand:hover .ly-brand__mark {
  box-shadow: 0 0 22px -2px var(--ly-cyan);
  transform: translateY(-1px);
}

.ly-brand__lockup {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.ly-brand__name {
  font-family: var(--ly-font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--ly-mist);
}

.ly-brand__tag {
  font-family: var(--ly-font-label);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ly-slate);
}

/* 导航 */
.ly-nav { margin-inline-start: auto; }

.ly-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 32px);
}

.ly-nav__link {
  position: relative;
  display: inline-block;
  padding: 6px 2px;
  font-size: 15px;
  color: rgba(233, 241, 246, 0.78);
  transition: color 0.18s ease, transform 0.18s ease;
}

.ly-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 1px;
  background-color: var(--ly-cyan);
  transition: right 0.22s ease;
}

.ly-nav__link:hover {
  color: var(--ly-mist);
  transform: translateY(-1px);
}

.ly-nav__link:hover::after { right: 0; }

.ly-nav__link[aria-current="page"] { color: var(--ly-cyan); }

.ly-nav__link[aria-current="page"]::after {
  right: 0;
  background-color: var(--ly-cyan);
}

/* 头部操作区 */
.ly-header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

/* 移动按钮 */
.ly-nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 12px;
  border: 1px solid var(--ly-line);
  color: var(--ly-mist);
  font-size: 13px;
  letter-spacing: 0.04em;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.ly-nav-toggle:hover { border-color: var(--ly-line-strong); }

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

.ly-nav-toggle__bars::before,
.ly-nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 1.5px;
  background-color: currentColor;
  transition: transform 0.2s ease, top 0.2s ease;
}

.ly-nav-toggle__bars::before { top: 0; }
.ly-nav-toggle__bars::after  { top: 8px; }

.ly-header[data-open="true"] .ly-nav-toggle__bars::before {
  top: 4px;
  transform: rotate(45deg);
}

.ly-header[data-open="true"] .ly-nav-toggle__bars::after {
  top: 4px;
  transform: rotate(-45deg);
}

.ly-nav-toggle__label { line-height: 1; }

/* ---------- 页脚 ---------- */
.ly-footer {
  background: linear-gradient(180deg, var(--ly-navy-deep) 0%, var(--ly-navy) 55%, #08202F 100%);
  border-top: 1px solid var(--ly-line);
  color: var(--ly-mist);
}

.ly-footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: clamp(32px, 5vw, 72px);
  padding-block: clamp(52px, 7vw, 96px) clamp(28px, 4vw, 48px);
}

.ly-footer__brand { max-width: 34ch; }

.ly-footer__lockup {
  font-family: var(--ly-font-display);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--ly-mist);
}

.ly-footer__sub {
  margin-top: 8px;
  font-family: var(--ly-font-label);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ly-cyan);
}

.ly-footer__blurb {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ly-slate);
}

.ly-footer__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(24px, 3.5vw, 48px);
}

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

.ly-footer__title {
  margin-bottom: 14px;
  font-family: var(--ly-font-label);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ly-slate);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ly-line);
}

.ly-footer__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ly-footer__link {
  display: inline-block;
  font-size: 15px;
  color: rgba(233, 241, 246, 0.72);
  transition: color 0.18s ease, padding-left 0.18s ease;
}

.ly-footer__link:hover {
  color: var(--ly-cyan);
  padding-left: 2px;
}

/* 联系信息带 */
.ly-footer__contact {
  border-top: 1px solid var(--ly-line);
  border-bottom: 1px solid var(--ly-line);
  background: linear-gradient(90deg, rgba(12, 58, 60, 0.55) 0%, rgba(25, 26, 74, 0.35) 58%, rgba(6, 26, 44, 0) 100%);
  padding-block: clamp(24px, 3.4vw, 36px);
}

.ly-footer__contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: clamp(18px, 3vw, 40px);
}

.ly-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.ly-field__label {
  font-family: var(--ly-font-label);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ly-cyan);
}

.ly-field__value {
  font-size: 15px;
  line-height: 1.6;
  color: var(--ly-mist);
  overflow-wrap: anywhere;
}

.ly-footer__note {
  margin-top: clamp(16px, 2.4vw, 24px);
  padding-top: clamp(14px, 2vw, 18px);
  border-top: 1px solid var(--ly-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ly-slate);
  max-width: 88ch;
}

.ly-footer__base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 28px;
  padding-block: clamp(20px, 3vw, 28px);
}

.ly-footer__legal {
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--ly-slate);
}

.ly-footer__legal .ly-num { color: var(--ly-slate); }

/* ---------- 面包屑 ---------- */
.ly-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-block: clamp(18px, 2.6vw, 28px);
  font-size: 13px;
  color: var(--ly-slate);
}

.ly-breadcrumb a { transition: color 0.18s ease; }
.ly-breadcrumb a:hover { color: var(--ly-cyan); }

.ly-breadcrumb__sep {
  color: rgba(126, 147, 166, 0.55);
}

.ly-breadcrumb [aria-current="page"] {
  color: var(--ly-mist);
}

/* ---------- 正文容器 ---------- */
.ly-prose {
  max-width: 68ch;
  font-size: 17px;
  line-height: 1.75;
  color: rgba(233, 241, 246, 0.86);
}

.ly-prose > * + * { margin-top: 1.05em; }

.ly-prose h2 {
  margin-top: 1.9em;
  font-size: clamp(24px, 3vw, 32px);
  color: var(--ly-mist);
}

.ly-prose h3 {
  margin-top: 1.6em;
  font-size: clamp(19px, 2.2vw, 22px);
  color: var(--ly-mist);
}

.ly-prose ul,
.ly-prose ol {
  padding-left: 1.35em;
  list-style: revert;
}

.ly-prose li + li { margin-top: 0.4em; }

.ly-prose a {
  color: var(--ly-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.ly-prose strong { color: var(--ly-mist); }

.ly-prose blockquote {
  padding-left: 20px;
  border-left: 1px solid var(--ly-cyan);
  color: var(--ly-slate);
}

/* ---------- 网格 ---------- */
.ly-grid {
  display: grid;
  gap: clamp(18px, 2.6vw, 32px);
}

.ly-grid--2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.ly-grid--3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.ly-grid--12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

.ly-col-4  { grid-column: span 4; }
.ly-col-6  { grid-column: span 6; }
.ly-col-8  { grid-column: span 8; }
.ly-col-12 { grid-column: span 12; }

/* ---------- 图片基础容器 ---------- */
.ly-media {
  position: relative;
  display: block;
  margin: 0;
}

.ly-media__frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--ly-line);
  background: linear-gradient(135deg, rgba(12, 58, 60, 0.92), rgba(25, 26, 74, 0.92));
}

.ly-media__frame > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.5) saturate(0.9);
  transition: filter 0.3s ease, transform 0.3s ease;
}

.ly-media:hover .ly-media__frame > img {
  filter: brightness(0.58) saturate(1);
  transform: translateY(-2px);
}

.ly-media__grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(233, 241, 246, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(233, 241, 246, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
}

.ly-media__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ly-slate);
}

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

/* ---------- 滚动显现 ---------- */
.ly-js [data-reveal] {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* ---------- 响应式 ---------- */
@media (max-width: 1000px) {
  .ly-header__actions { margin-inline-start: auto; }

  .ly-nav-toggle { display: inline-flex; }

  .ly-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin: 0;
    display: none;
    background-color: var(--ly-navy);
    border-top: 1px solid var(--ly-line);
    border-bottom: 1px solid var(--ly-line);
    box-shadow: 0 26px 44px -30px rgba(0, 0, 0, 0.95);
    padding: 6px var(--ly-gutter) 22px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
  }

  .ly-header[data-open="true"] .ly-nav { display: block; }

  .ly-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .ly-nav__link {
    display: block;
    padding: 14px 2px;
    font-size: 17px;
    border-bottom: 1px solid var(--ly-line);
  }

  .ly-nav__link::after { display: none; }

  .ly-nav__link:hover { transform: none; }

  .ly-footer__top { grid-template-columns: minmax(0, 1fr); }

  .ly-col-4, .ly-col-6, .ly-col-8 { grid-column: span 12; }
}

@media (max-width: 700px) {
  .ly-brand__tag { display: none; }
  .ly-header__cta { display: none; }

  .ly-footer__grid { grid-template-columns: minmax(0, 1fr); gap: 26px; }

  .ly-footer__base { justify-content: flex-start; }

  .ly-media--wide .ly-media__frame { aspect-ratio: 16 / 9; }
}

@media (max-width: 380px) {
  .ly-status-strip__item { font-size: 11px; }
}

/* ---------- 减少动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .ly-status-strip__track {
    animation: none;
    transform: none;
  }

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

  .ly-btn:hover,
  .ly-nav__link:hover,
  .ly-brand:hover .ly-brand__mark,
  .ly-media:hover .ly-media__frame > img {
    transform: none;
  }
}