/* ===== 博鱼看台 · 共享站点样式 /assets/site.css ===== */

:root {
  --cp-ink: #0B1B2B;
  --cp-ink-2: #14293F;
  --cp-jade: #1FD8A4;
  --cp-coral: #FF6A4D;
  --cp-sand: #E8C48A;
  --cp-steel: #9AA7B4;
  --cp-mist: #F2F5F7;
  --cp-paper: #FAF7F2;
  --cp-jade-deep: #0E8A69;
  --cp-line: #33465C;
  --cp-deep: #08131F;

  --cp-font-display: "PingFang SC", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", system-ui, sans-serif;
  --cp-font-mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", "Roboto Mono", Menlo, Consolas, monospace;

  --cp-maxw: 1200px;
  --cp-widew: 1320px;
  --cp-gutter: clamp(16px, 4vw, 40px);
  --cp-head-h: 118px;
  --cp-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --cp-pulse: 2.4s;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--cp-head-h) + 16px);
}

body {
  margin: 0;
  background: var(--cp-ink);
  color: var(--cp-mist);
  font-family: var(--cp-font-display);
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6, p, figure, blockquote, ul, ol, dl { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
table { border-collapse: collapse; width: 100%; }
hr { border: 0; }

:where(a, button, [tabindex], input, select, textarea):focus-visible {
  outline: 2px solid var(--cp-jade);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 基础排版 ---------- */
.cp-container {
  width: 100%;
  max-width: var(--cp-maxw);
  margin-inline: auto;
  padding-inline: var(--cp-gutter);
}

.cp-section { padding-block: clamp(56px, 8vw, 96px); }

.cp-display {
  font-family: var(--cp-font-display);
  font-weight: 900;
  font-size: clamp(40px, 7vw, 96px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.cp-heading {
  font-family: var(--cp-font-display);
  font-weight: 800;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.015em;
}

.cp-subhead {
  font-weight: 700;
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.cp-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--cp-font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cp-sand);
}

.cp-eyebrow::after {
  content: "";
  width: 48px;
  height: 1px;
  background: var(--cp-line);
}

.cp-vlabel {
  writing-mode: vertical-rl;
  font-family: var(--cp-font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cp-steel);
}

.cp-prose {
  max-width: 34em;
  font-size: 17px;
  line-height: 1.8;
  color: var(--cp-mist);
}
.cp-prose p + p { margin-top: 1em; }
.cp-prose a { color: var(--cp-jade); text-decoration: underline; text-underline-offset: 3px; }
.cp-prose strong { color: var(--cp-jade); font-weight: 700; }

.cp-rule {
  height: 1px;
  background: var(--cp-line);
  border: 0;
  margin-block: clamp(32px, 5vw, 56px);
}

/* ---------- 网格与容器组件 ---------- */
.cp-grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}
.cp-grid--three {
  grid-template-columns: minmax(0, 7fr) minmax(0, 3fr) minmax(0, 2fr);
}

.cp-card {
  background: var(--cp-ink-2);
  border: 1px solid var(--cp-line);
  border-radius: 6px;
  padding: clamp(18px, 2.4vw, 26px);
}

.cp-paper {
  position: relative;
  background: var(--cp-paper);
  color: var(--cp-ink);
  border-radius: 3px;
  padding: clamp(20px, 3vw, 32px);
  box-shadow: 6px 6px 0 rgba(51, 70, 92, 0.35);
}
.cp-paper::before {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px solid rgba(11, 27, 43, 0.18);
  pointer-events: none;
}

.cp-tag {
  display: inline-block;
  padding: 3px 10px;
  border: 1px solid rgba(232, 196, 138, 0.5);
  border-radius: 999px;
  font-family: var(--cp-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cp-sand);
  white-space: nowrap;
}

.cp-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-family: var(--cp-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cp-steel);
}
.cp-breadcrumb a { color: var(--cp-steel); transition: color 0.2s var(--cp-ease); }
.cp-breadcrumb a:hover { color: var(--cp-jade); }
.cp-breadcrumb__sep { color: var(--cp-line); }

/* ---------- 按钮 ---------- */
.cp-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--cp-jade);
  color: var(--cp-ink);
  font-family: var(--cp-font-display);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s var(--cp-ease), color 0.2s var(--cp-ease), border-color 0.2s var(--cp-ease);
}
.cp-cta:hover { background: var(--cp-jade-deep); color: var(--cp-mist); }

.cp-cta--ghost {
  background: transparent;
  color: var(--cp-jade);
  border-color: rgba(31, 216, 164, 0.55);
}
.cp-cta--ghost:hover {
  background: rgba(31, 216, 164, 0.14);
  color: var(--cp-jade);
}

/* ---------- 图片容器基础规则 ---------- */
.cp-figure {
  display: grid;
  gap: 10px;
  margin: 0;
}
.cp-figure__media {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid var(--cp-line);
  border-radius: 3px;
  aspect-ratio: 16 / 9;
  background: linear-gradient(150deg, var(--cp-ink-2), var(--cp-deep) 72%);
}
.cp-figure__media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background-image: repeating-linear-gradient(90deg, rgba(31, 216, 164, 0.1) 0 1px, transparent 1px 4px);
  opacity: 0.45;
  pointer-events: none;
}
.cp-figure__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.cp-figure__caption {
  font-family: var(--cp-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cp-steel);
}
.cp-figure--wide .cp-figure__media { aspect-ratio: 21 / 9; }
.cp-figure--tall .cp-figure__media { aspect-ratio: 3 / 4; }

/* ---------- 滚动显现 ---------- */
.cp-reveal { opacity: 1; }
.cp-js .cp-reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.42s var(--cp-ease), transform 0.42s var(--cp-ease);
}
.cp-js .cp-reveal.is-in {
  opacity: 1;
  transform: none;
}

/* ---------- Skip Link ---------- */
.cp-skip {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 200;
  transform: translateY(-180%);
  padding: 12px 20px;
  border-radius: 8px;
  background: var(--cp-jade);
  color: var(--cp-ink);
  font-weight: 800;
  font-size: 14px;
  transition: transform 0.2s var(--cp-ease);
}
.cp-skip:focus { transform: translateY(0); }

/* ================= 头部 ================= */
.cp-header {
  position: sticky;
  top: 0;
  z-index: 70;
  background: rgba(11, 27, 43, 0.94);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(51, 70, 92, 0.55);
}

/* 状态带 */
.cp-statusbar {
  position: relative;
  background: rgba(8, 19, 31, 0.9);
  border-bottom: 1px solid rgba(51, 70, 92, 0.7);
}
.cp-statusbar__inner {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: var(--cp-widew);
  margin-inline: auto;
  padding: 7px var(--cp-gutter);
  font-family: var(--cp-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cp-steel);
  overflow: hidden;
}
.cp-statusbar__live {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex: 0 0 auto;
}
.cp-statusbar__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cp-coral);
  box-shadow: 0 0 0 3px rgba(255, 106, 77, 0.18);
  animation: cp-pulse var(--cp-pulse) ease-in-out infinite;
}
@keyframes cp-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.cp-statusbar__label { color: var(--cp-coral); font-weight: 700; }
.cp-statusbar__tick {
  flex: 0 0 auto;
  width: 1px;
  height: 12px;
  background: var(--cp-line);
}
.cp-statusbar__meta {
  flex: 1 1 auto;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cp-statusbar__code {
  flex: 0 0 auto;
  color: var(--cp-sand);
  letter-spacing: 0.18em;
}
.cp-statusbar__coord {
  flex: 0 0 auto;
  margin-left: auto;
  color: var(--cp-sand);
  white-space: nowrap;
}
.cp-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  overflow: hidden;
  pointer-events: none;
}
.cp-progress__fill {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--cp-jade), var(--cp-coral));
}

/* 胶囊导航 */
.cp-navwrap {
  display: flex;
  align-items: center;
  gap: 0;
  width: 100%;
  max-width: var(--cp-widew);
  margin-inline: auto;
  padding: 14px var(--cp-gutter);
  transition: padding 0.24s var(--cp-ease);
}
.cp-island {
  display: flex;
  align-items: center;
  border: 1px solid var(--cp-line);
  border-radius: 16px;
  background: rgba(20, 41, 63, 0.72);
  transition: border-radius 0.24s var(--cp-ease), background-color 0.24s var(--cp-ease), box-shadow 0.24s var(--cp-ease), padding 0.24s var(--cp-ease);
}
.cp-island--brand { flex: 0 0 auto; padding: 8px 16px 8px 10px; }
.cp-island--nav { flex: 0 0 auto; margin-left: 12px; padding: 6px 8px; }

.cp-navline {
  flex: 1 1 auto;
  min-width: 24px;
  height: 1px;
  margin-inline: 14px;
  background-image: repeating-linear-gradient(90deg, var(--cp-line) 0 1px, transparent 1px 9px);
  opacity: 0.85;
  transition: opacity 0.24s var(--cp-ease);
}

.cp-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--cp-mist);
}
.cp-brand__mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--cp-jade);
  color: var(--cp-ink);
  font-size: 18px;
  font-weight: 900;
  letter-spacing: -0.02em;
}
.cp-brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.cp-brand__name {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.cp-brand__coord {
  font-family: var(--cp-font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cp-steel);
  transition: opacity 0.24s var(--cp-ease);
}

.cp-navlist {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0;
}
.cp-navitem { display: block; }
.cp-navlink {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 14px;
  border-radius: 999px;
  color: var(--cp-mist);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition: background-color 0.2s var(--cp-ease), color 0.2s var(--cp-ease);
}
.cp-navlink::before {
  content: attr(data-idx);
  font-family: var(--cp-font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--cp-sand);
  transition: color 0.2s var(--cp-ease), opacity 0.2s var(--cp-ease);
}
.cp-navlink:hover {
  background: rgba(31, 216, 164, 0.14);
  color: var(--cp-jade);
}
.cp-navlink:hover::before { color: var(--cp-jade); }
.cp-navlink[aria-current="page"] {
  background: var(--cp-jade);
  color: var(--cp-ink);
  font-weight: 800;
}
.cp-navlink[aria-current="page"]::before {
  color: var(--cp-ink);
  opacity: 0.55;
}
.cp-navlink[aria-current="page"]:hover {
  background: var(--cp-jade-deep);
  color: var(--cp-mist);
}
.cp-navlink[aria-current="page"]:hover::before { color: var(--cp-mist); }

.cp-navfoot { display: none; }

/* 移动切换按钮 */
.cp-navtoggle {
  position: relative;
  z-index: 90;
  display: none;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  padding: 12px 16px;
  border: 1px solid var(--cp-line);
  border-radius: 999px;
  background: rgba(20, 41, 63, 0.9);
  color: var(--cp-mist);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: border-color 0.2s var(--cp-ease), background-color 0.2s var(--cp-ease);
}
.cp-navtoggle:hover { border-color: var(--cp-jade); }
.cp-navtoggle__bars {
  position: relative;
  display: block;
  width: 18px;
  height: 12px;
}
.cp-navtoggle__bars::before,
.cp-navtoggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--cp-jade);
  transition: transform 0.24s var(--cp-ease), top 0.24s var(--cp-ease);
}
.cp-navtoggle__bars::before { top: 2px; }
.cp-navtoggle__bars::after { top: 8px; }
.cp-header[data-open] .cp-navtoggle__bars::before { top: 5px; transform: rotate(45deg); }
.cp-header[data-open] .cp-navtoggle__bars::after { top: 5px; transform: rotate(-45deg); }

.cp-scrim {
  position: fixed;
  inset: 0;
  z-index: 65;
  display: none;
  background: rgba(6, 14, 22, 0.66);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.24s var(--cp-ease), visibility 0.24s var(--cp-ease);
}

/* 滚动后收缩为浮岛 */
.cp-header.is-scrolled .cp-navwrap { padding-block: 8px; }
.cp-header.is-scrolled .cp-island {
  border-radius: 999px;
  background: rgba(20, 41, 63, 0.97);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.45);
}
.cp-header.is-scrolled .cp-brand__coord { opacity: 0.6; }

/* ================= 页脚 ================= */
.cp-footer {
  position: relative;
  margin-top: clamp(64px, 9vw, 120px);
  background: var(--cp-ink-2);
  color: var(--cp-mist);
  border-top: 1px solid var(--cp-line);
}
.cp-footer__scale {
  height: 12px;
  border-bottom: 1px solid rgba(51, 70, 92, 0.65);
  background-image:
    repeating-linear-gradient(90deg, rgba(31, 216, 164, 0.75) 0 2px, transparent 2px 120px),
    repeating-linear-gradient(90deg, var(--cp-line) 0 1px, transparent 1px 10px);
  background-size: 100% 12px, 100% 5px;
  background-repeat: repeat-x, repeat-x;
  background-position: 0 0, 0 0;
}

.cp-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.45fr 1fr;
  gap: clamp(24px, 4vw, 48px);
  padding-block: clamp(48px, 7vw, 80px);
}
.cp-footer__col { min-width: 0; }

.cp-footer__brand {
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--cp-mist);
}
.cp-footer__tag {
  margin-top: 14px;
  max-width: 22em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--cp-steel);
}
.cp-footer__stamp {
  margin-top: 18px;
  font-family: var(--cp-font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cp-sand);
}

.cp-footer__title {
  padding-bottom: 10px;
  margin-bottom: 14px;
  border-bottom: 1px solid rgba(51, 70, 92, 0.7);
  font-family: var(--cp-font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cp-sand);
}

.cp-footer__list {
  display: grid;
  gap: 4px;
  font-size: 14px;
}
.cp-footer__list a {
  display: inline-block;
  padding-block: 3px;
  color: var(--cp-mist);
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--cp-ease), border-color 0.2s var(--cp-ease);
}
.cp-footer__list a:hover {
  color: var(--cp-jade);
  border-bottom-color: var(--cp-jade);
}

.cp-footer__list--meta { gap: 6px; }
.cp-footer__mail,
.cp-footer__tel {
  font-family: var(--cp-font-mono);
  font-size: 13px;
  letter-spacing: 0.01em;
  color: var(--cp-jade);
  word-break: break-all;
}
.cp-footer__tel { color: var(--cp-mist); }
.cp-footer__addr {
  display: inline-block;
  font-size: 13px;
  line-height: 1.7;
  color: var(--cp-steel);
}
.cp-footer__note {
  margin-top: 14px;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--cp-steel);
}

.cp-footer__legal { gap: 4px; }

.cp-footer__bar {
  background: var(--cp-deep);
  border-top: 1px solid rgba(51, 70, 92, 0.6);
}
.cp-footer__barinner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  padding-block: 18px;
  font-family: var(--cp-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cp-steel);
}
.cp-footer__copy { color: var(--cp-steel); }
.cp-footer__region { color: var(--cp-sand); }
.cp-footer__icp { color: var(--cp-steel); }

/* ================= 响应式 ================= */
@media (max-width: 1100px) {
  .cp-footer__grid { grid-template-columns: 1.4fr 1fr 1.3fr; }
  .cp-footer__col--brand { grid-column: 1 / -1; }
}

@media (max-width: 899px) {
  :root { --cp-head-h: 104px; }

  .cp-statusbar__meta { display: none; }
  .cp-statusbar__code { margin-left: auto; }
  .cp-statusbar__coord { display: none; }

  .cp-navwrap { padding-block: 10px; gap: 10px; }
  .cp-navline { display: none; }

  .cp-island--nav {
    margin-left: 0;
    padding: 0;
    border: 0;
    background: none;
    box-shadow: none;
  }
  .cp-header.is-scrolled .cp-island--nav {
    background: none;
    box-shadow: none;
    border-radius: 0;
  }

  .cp-navtoggle { display: inline-flex; }

  .cp-navlist {
    position: fixed;
    top: calc(var(--cp-head-h) + 8px);
    left: 12px;
    right: 12px;
    z-index: 80;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    max-height: calc(100vh - var(--cp-head-h) - 32px);
    overflow-y: auto;
    padding: 14px;
    border: 1px solid var(--cp-line);
    border-radius: 18px;
    background: rgba(20, 41, 63, 0.98);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity 0.24s var(--cp-ease), transform 0.24s var(--cp-ease), visibility 0.24s var(--cp-ease);
  }
  .cp-header[data-open] .cp-navlist {
    opacity: 1;
    visibility: visible;
    transform: none;
    pointer-events: auto;
  }

  .cp-navitem + .cp-navitem { border-top: 1px solid rgba(51, 70, 92, 0.55); }
  .cp-navlink {
    display: flex;
    justify-content: flex-start;
    padding: 13px 16px;
    border-radius: 12px;
    font-size: 17px;
  }
  .cp-navlink::before { font-size: 11px; }

  .cp-navfoot {
    display: block;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(51, 70, 92, 0.7);
  }
  .cp-navfoot .cp-cta { width: 100%; }

  .cp-scrim { display: block; }
  .cp-header[data-open] .cp-scrim { opacity: 1; visibility: visible; }

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

@media (max-width: 760px) {
  body { font-size: 15.5px; }
  .cp-footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .cp-footer__col--brand { grid-column: auto; }
  .cp-footer__barinner { justify-content: flex-start; }
  .cp-brand__coord { display: none; }
  .cp-brand__mark { width: 32px; height: 32px; font-size: 16px; }
  .cp-figure--wide .cp-figure__media { aspect-ratio: 16 / 9; }
}

@media (max-width: 420px) {
  .cp-statusbar__inner { font-size: 10px; letter-spacing: 0.1em; gap: 8px; }
  .cp-navtoggle { padding: 11px 14px; }
}

/* ================= 动效降级 ================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .cp-js .cp-reveal {
    opacity: 1 !important;
    transform: none !important;
    transition-delay: 0ms !important;
  }
}