/* ===========================================================
   鱼丸游戏站 · 共享样式 /assets/site.css
   =========================================================== */

/* ---------- 1. 变量 ---------- */
:root {
  --paper: #FDF8F0;
  --paper-2: #F2EADD;
  --ink: #0E1B2A;
  --ink-2: #24344A;
  --green: #1F7A5C;
  --green-soft: #9FD9BE;
  --coral: #FF6B4A;
  --coral-soft: #FFD8CC;
  --mint: #4EE0C0;
  --alert: #B3261E;
  --gray: #5A6572;

  --bw: 3px;
  --r-sm: 10px;
  --r: 16px;
  --r-lg: 22px;
  --hard: 6px 6px 0 var(--ink);
  --hard-sm: 3px 3px 0 var(--ink);

  --font-display: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "PingFang SC", "Noto Sans SC", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "JetBrains Mono", "IBM Plex Mono", "SFMono-Regular", Menlo, Consolas, monospace;

  --wrap: 1200px;
  --gutter: 24px;
  --header-h: 78px;
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }

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

body, h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }

img, svg, video, canvas { display: block; max-width: 100%; }
img { height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; cursor: pointer; }

/* ---------- 3. 中文排版 ---------- */
body {
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.75;
  color: var(--ink);
  background-color: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.12;
}

h1 { font-size: 48px; font-weight: 900; }
h2 { font-size: 32px; }
h3 { font-size: 22px; }
h4 { font-size: 17px; font-weight: 800; }

p { max-width: 68ch; }

a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 0.18em; }

strong, b { font-weight: 700; }

::selection { background: var(--coral-soft); color: var(--ink); }

/* ---------- 4. 焦点与动效基线 ---------- */
:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 3px;
}

.btn:focus-visible,
.nav-link:focus-visible,
.quick-pill:focus-visible,
.nav-toggle:focus-visible,
.footer-links a:focus-visible,
.footer-logo:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--paper), 0 0 0 5px var(--coral);
}

/* ---------- 5. 布局容器 ---------- */
.container {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: 820px; }

.section { padding-block: 72px; }
.section--tight { padding-block: 40px; }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px 24px;
  margin-bottom: 28px;
}

#main-content { scroll-margin-top: calc(var(--header-h) + 24px); }

/* ---------- 6. 头部 ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 120;
  color: var(--ink);
  background-color: transparent;
  --header-hover: var(--paper-2);
  transition: background-color 0.24s ease, color 0.2s ease, box-shadow 0.24s ease;
}

.site-header[data-state="solid"] {
  color: var(--paper);
  background-color: var(--ink);
  box-shadow: 0 3px 0 var(--ink-2);
  --header-hover: var(--ink-2);
}

.header-bar {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 15px var(--gutter);
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: nowrap;
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: 0 0 auto;
  color: inherit;
  text-decoration: none;
}
.brand:hover { text-decoration: none; }

.brand-mark {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  background: var(--paper);
  border: var(--bw) solid var(--ink);
  border-radius: 13px;
  box-shadow: 3px 3px 0 var(--coral);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.site-header[data-state="solid"] .brand-mark {
  border-color: var(--paper);
  box-shadow: 3px 3px 0 var(--mint);
}

.brand-text { display: flex; flex-direction: column; line-height: 1; }

.brand-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.1;
}

.brand-region {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  opacity: 0.66;
}

/* 主导航 */
.primary-nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: center;
  min-width: 0;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: wrap;
}

.nav-item { display: block; }

.nav-link {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  color: inherit;
  text-decoration: none;
  border: 2px solid transparent;
  transition: background-color 0.12s ease, box-shadow 0.12s ease;
}
.nav-link:hover { background: var(--header-hover); text-decoration: none; }

.nav-link[aria-current="page"] {
  background: var(--green);
  color: var(--paper);
  border-color: var(--ink);
  box-shadow: inset 0 -3px 0 var(--coral);
}

.site-header[data-state="solid"] .nav-link[aria-current="page"] {
  border-color: var(--paper);
}

/* 快捷胶囊 */
.quick-rail {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.quick-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 15px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.3;
  white-space: nowrap;
  color: inherit;
  text-decoration: none;
  border: 2px solid currentColor;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background-color 0.12s ease;
}
.quick-pill:hover { background: var(--header-hover); text-decoration: none; transform: translateY(-2px); }

.quick-pill--primary {
  background: var(--green);
  color: var(--paper);
  border-color: var(--ink);
  box-shadow: 3px 3px 0 var(--coral);
}
.quick-pill--primary:hover {
  background: var(--green);
  box-shadow: 4px 4px 0 var(--coral);
}

.quick-pill--accent {
  background: var(--coral-soft);
  color: var(--ink);
  border-color: var(--coral);
}
.quick-pill--accent:hover { background: var(--coral-soft); }

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 9px 14px;
  border: 2px solid currentColor;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  color: inherit;
  transition: background-color 0.12s ease;
}
.nav-toggle:hover { background: var(--header-hover); }

.nav-toggle-bars { display: grid; gap: 4px; width: 20px; }
.nav-toggle-bars > span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.18s ease, opacity 0.18s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars > span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars > span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars > span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* 滚动进度条 */
.scroll-meter {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--green), var(--mint), var(--coral));
  pointer-events: none;
}

/* 跳转链接 */
.skip-link {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -140%);
  z-index: 200;
  padding: 10px 20px;
  background: var(--coral);
  color: var(--ink);
  font-weight: 800;
  font-size: 15px;
  border: var(--bw) solid var(--ink);
  border-radius: 0 0 var(--r) var(--r);
  transition: transform 0.18s ease-out;
}
.skip-link:focus { transform: translate(-50%, 0); text-decoration: none; }

/* ---------- 7. 页脚 ---------- */
.site-footer {
  margin-top: 80px;
  background: var(--ink);
  color: var(--paper);
  border-top: 6px solid var(--green);
}

.footer-inner {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(230px, 1.7fr) repeat(4, minmax(0, 1fr));
  gap: 34px 26px;
  padding-block: 54px 44px;
}

.footer-brand { min-width: 0; }

.footer-logo {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
  text-decoration: none;
  border-bottom: var(--bw) solid var(--coral);
  padding-bottom: 4px;
}
.footer-logo:hover { color: var(--green-soft); text-decoration: none; }

.footer-note {
  margin-top: 16px;
  max-width: 30ch;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(253, 248, 240, 0.72);
}

.footer-mono {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--green-soft);
}

.footer-col { min-width: 0; }

.footer-heading {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 16px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.footer-index {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--coral);
}

.footer-links { display: grid; gap: 9px; }

.footer-links a {
  display: inline-block;
  font-size: 15px;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 1px;
  transition: color 0.12s ease, border-color 0.12s ease;
}
.footer-links a:hover {
  color: var(--green-soft);
  border-bottom-color: var(--green);
  text-decoration: none;
}

.footer-links--contact { gap: 14px; }

.footer-links--contact li {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(253, 248, 240, 0.82);
  word-break: break-word;
}

.footer-key {
  display: block;
  margin-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--green-soft);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 10px 28px;
  padding-block: 22px 30px;
  border-top: 2px solid var(--ink-2);
}

.footer-legal-text {
  max-width: none;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(253, 248, 240, 0.72);
}

.footer-legal-text--muted {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(253, 248, 240, 0.55);
}

/* ---------- 8. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
  background: var(--paper);
  border: var(--bw) solid var(--ink);
  border-radius: 999px;
  box-shadow: 4px 4px 0 var(--ink);
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.12s ease-out, box-shadow 0.12s ease-out, background-color 0.12s ease;
}
.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink);
  text-decoration: none;
}
.btn:active {
  transform: translate(2px, 2px);
  box-shadow: 0 0 0 var(--ink);
}

.btn--primary { background: var(--green); color: var(--paper); }
.btn--accent { background: var(--coral-soft); }
.btn--ink { background: var(--ink); color: var(--paper); }
.btn--sm {
  padding: 9px 17px;
  font-size: 14px;
  box-shadow: var(--hard-sm);
}
.btn--sm:hover { box-shadow: 4px 4px 0 var(--ink); }

/* ---------- 9. 索引标签与状态 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green);
}
.eyebrow::before {
  content: "";
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border-radius: 3px;
  background: var(--coral);
}

.mono-tag {
  display: inline-block;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
  background: var(--coral-soft);
  border: 2px solid var(--coral);
  border-radius: 7px;
  white-space: nowrap;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 11px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 999px;
  border: 2px solid var(--ink);
  white-space: nowrap;
}
.status--live { background: var(--green-soft); color: var(--ink); }
.status--maint { background: var(--alert); color: #FFFFFF; border-color: var(--alert); }
.status--new { background: var(--coral-soft); color: var(--ink); border-color: var(--coral); }

/* ---------- 10. 卡片 ---------- */
.card {
  padding: 24px;
  background: var(--paper-2);
  border: var(--bw) solid var(--ink);
  border-radius: var(--r);
  box-shadow: var(--hard);
  min-width: 0;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.card:hover { transform: translate(-2px, -2px); box-shadow: 8px 8px 0 var(--ink); }

.card--paper { background: var(--paper); }
.card--green { background: var(--green-soft); }
.card--coral { background: var(--coral-soft); }
.card--ink {
  background: var(--ink);
  color: var(--paper);
  box-shadow: 6px 6px 0 var(--coral);
}
.card--ink:hover { box-shadow: 8px 8px 0 var(--coral); }
.card--ink a { color: var(--green-soft); }

/* ---------- 11. 网格 ---------- */
.bento {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
}
.bento > * { grid-column: span 12; min-width: 0; }

.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-6 { grid-column: span 6; }
.span-8 { grid-column: span 8; }
.span-12 { grid-column: span 12; }

.layout-main {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  gap: 32px;
  align-items: start;
}

.stack { display: grid; gap: 16px; }

/* ---------- 12. 面包屑 ---------- */
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--gray);
}
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 6px;
}
.breadcrumb li { display: flex; align-items: center; }
.breadcrumb li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--coral);
  font-weight: 700;
}
.breadcrumb a {
  color: var(--ink-2);
  text-decoration: none;
  border-bottom: 2px solid var(--green-soft);
  transition: border-color 0.12s ease;
}
.breadcrumb a:hover { border-bottom-color: var(--green); text-decoration: none; }
.breadcrumb [aria-current="page"] { color: var(--gray); }

/* ---------- 13. 正文 ---------- */
.prose {
  max-width: 68ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink);
}
.prose > * + * { margin-top: 1em; }
.prose h2 { margin-top: 1.7em; font-size: 32px; }
.prose h3 { margin-top: 1.5em; font-size: 22px; }
.prose p { max-width: 68ch; }
.prose ul, .prose ol { padding-left: 1.2em; max-width: 68ch; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li + li { margin-top: 0.4em; }
.prose a {
  color: var(--green);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}
.prose code {
  font-family: var(--font-mono);
  font-size: 15px;
  padding: 1px 6px;
  background: var(--paper-2);
  border: 2px solid var(--ink-2);
  border-radius: 6px;
}

/* ---------- 14. 图片容器基础规则 ---------- */
.media-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--paper-2);
  border: var(--bw) solid var(--ink);
  border-radius: var(--r);
  box-shadow: var(--hard);
}
.media-frame > img,
.media-frame > svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--4x3 { aspect-ratio: 4 / 3; }
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--flat { box-shadow: none; }

.media-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--gray);
}

/* ---------- 15. 入场显现 ---------- */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.32s ease-out, transform 0.32s ease-out;
}
html.js [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* ---------- 16. 响应式 ---------- */
@media (max-width: 1080px) {
  .footer-top {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .footer-brand { grid-column: 1 / -1; }
  .footer-note { max-width: 46ch; }
}

@media (max-width: 900px) {
  :root { --gutter: 18px; --header-h: 132px; }

  h1 { font-size: 32px; }
  h2 { font-size: 24px; }
  h3 { font-size: 19px; }
  body { font-size: 16px; }

  .header-bar {
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px var(--gutter);
  }

  .brand { order: 1; }
  .brand-mark { width: 38px; height: 38px; }
  .brand-name { font-size: 18px; }

  .nav-toggle {
    display: inline-flex;
    order: 2;
    margin-left: auto;
  }

  .quick-rail {
    order: 3;
    width: 100%;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .quick-rail::-webkit-scrollbar { display: none; }
  .quick-pill { flex: 0 0 auto; padding: 7px 13px; font-size: 13px; }

  .primary-nav {
    order: 4;
    width: 100%;
    display: none;
    justify-content: flex-start;
    padding: 12px;
    color: var(--paper);
    background: var(--ink);
    border: var(--bw) solid var(--ink);
    border-radius: var(--r);
    box-shadow: 6px 6px 0 var(--coral);
  }
  .primary-nav[data-open] { display: block; }

  .nav-list { flex-direction: column; align-items: stretch; gap: 2px; width: 100%; }
  .nav-link {
    display: block;
    padding: 12px 14px;
    border-radius: var(--r-sm);
    font-size: 17px;
  }
  .nav-link[aria-current="page"] { box-shadow: inset 0 -3px 0 var(--coral); }

  .span-3, .span-4, .span-6 { grid-column: span 6; }
  .span-8, .span-12 { grid-column: span 12; }

  .layout-main { grid-template-columns: minmax(0, 1fr); gap: 24px; }

  .section { padding-block: 48px; }
  .site-footer { margin-top: 56px; }
}

@media (max-width: 600px) {
  h1 { font-size: 28px; }
  .bento > * { grid-column: span 12; }
  .footer-top { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .footer-brand { grid-column: auto; }
  .footer-legal { padding-block: 18px 26px; }
  .btn { width: 100%; }
}

@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;
  }
  .btn:hover, .card:hover, .quick-pill:hover { transform: none; }
  html.js [data-reveal] {
    opacity: 1;
    transform: none;
    transition: opacity 0.12s linear;
  }
}