/* ============================================================
   /assets/site.css — 华体汇国际 全站共享样式
   深空蓝暗场 + 球场木色纸张叠层 + 荧光青/呼吸橙数据高亮
   ============================================================ */

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

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

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

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

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

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

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

table { border-collapse: collapse; width: 100%; }

/* ---------- 变量 ---------- */
:root {
  --c-deep: #0A1A2F;
  --c-night: #050D18;
  --c-wood: #C08447;
  --c-wood-soft: #EBD3AC;
  --c-cyan: #38E1D0;
  --c-orange: #FF7B45;
  --c-paper: #F5F2EA;
  --c-ink: #101822;
  --c-steel: #7C93B0;
  --c-green: #55D68F;

  --shell-w: 1180px;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --radius: 3px;

  --font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", "Courier New", monospace;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --line-wood: rgba(192, 132, 71, 0.38);
  --line-cyan: rgba(56, 225, 208, 0.34);
  --hair: rgba(124, 147, 176, 0.22);
  --hair-strong: rgba(124, 147, 176, 0.38);
}

/* ---------- 中文排版基线 ---------- */
body {
  background-color: var(--c-deep);
  background-image:
    radial-gradient(1100px 620px at 12% -8%, rgba(56, 225, 208, 0.10), transparent 62%),
    radial-gradient(880px 520px at 92% 4%, rgba(255, 123, 69, 0.08), transparent 66%),
    radial-gradient(700px 700px at 50% 120%, rgba(192, 132, 71, 0.08), transparent 70%);
  background-repeat: no-repeat;
  color: var(--c-paper);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { line-height: 1.15; font-weight: 700; letter-spacing: -0.01em; }

::selection { background: rgba(56, 225, 208, 0.32); color: var(--c-paper); }

/* ---------- 工具 ---------- */
.shell {
  width: 100%;
  max-width: calc(var(--shell-w) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: fixed;
  left: var(--gutter);
  top: -5rem;
  z-index: 200;
  padding: 0.7rem 1.1rem;
  background: var(--c-cyan);
  color: var(--c-ink);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-radius: 2px;
  transition: top 0.18s ease;
}
.skip-link:focus,
.skip-link:focus-visible { top: 1rem; outline-color: var(--c-ink); }

/* ---------- 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 70;
  color: var(--c-paper);
  background: linear-gradient(180deg, rgba(10, 26, 47, 0.985), rgba(5, 13, 24, 0.975));
  border-bottom: 1px solid var(--line-wood);
  box-shadow: 0 14px 34px -26px rgba(0, 0, 0, 0.95);
}

.progress-track {
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 3px;
  background: rgba(124, 147, 176, 0.16);
  overflow: hidden;
}
.progress-fill {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--c-cyan), var(--c-orange));
  box-shadow: 0 0 14px rgba(56, 225, 208, 0.55);
  transition: transform 0.12s linear;
}

.nav-top { border-bottom: 1px solid rgba(192, 132, 71, 0.2); }

.nav-top__inner {
  display: flex;
  align-items: center;
  gap: clamp(0.7rem, 3vw, 2rem);
  flex-wrap: wrap;
  padding-block: 0.7rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--c-paper);
}
.brand__mark {
  display: grid;
  place-items: center;
  width: 26px; height: 26px;
  flex: 0 0 auto;
  background: var(--c-wood);
  color: var(--c-night);
  font-size: 0.84rem;
  border-radius: 2px;
  box-shadow: inset 0 0 0 1px rgba(5, 13, 24, 0.4);
  transition: background-color 0.18s ease;
}
.brand__name { font-size: 1rem; white-space: nowrap; }
.brand:hover .brand__mark { background: var(--c-cyan); }

.brand__tag {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 0.82rem;
  line-height: 1.4;
  letter-spacing: 0.14em;
  color: var(--c-steel);
  text-align: center;
}

.season-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  flex: 0 0 auto;
  padding: 0.34rem 0.62rem;
  border: 1px solid var(--line-wood);
  border-radius: 2px;
  background: rgba(192, 132, 71, 0.1);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--c-wood-soft);
}
.season-chip__label { color: var(--c-steel); }
.season-chip__value { font-weight: 800; color: var(--c-paper); }
.season-chip__hint { color: var(--c-steel); letter-spacing: 0.04em; }

.pulse-dot {
  position: relative;
  width: 7px; height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--c-cyan);
  box-shadow: 0 0 8px rgba(56, 225, 208, 0.9);
}
.pulse-dot::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 1px solid rgba(56, 225, 208, 0.6);
  animation: dot-pulse 2.6s ease-out infinite;
}
@keyframes dot-pulse {
  0%   { transform: scale(0.6); opacity: 0.9; }
  70%, 100% { transform: scale(1.6); opacity: 0; }
}

.nav-main__inner {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.1rem;
  flex-wrap: wrap;
}
.nav-links a {
  display: inline-block;
  padding: 0.85rem 0.85rem 0.72rem;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  color: rgba(245, 242, 234, 0.78);
  border-bottom: 2px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease, background-color 0.16s ease;
}
.nav-links a:hover {
  color: var(--c-paper);
  background: rgba(192, 132, 71, 0.12);
}
.nav-links a[aria-current="page"] {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px; height: 38px;
  color: var(--c-paper);
  border: 1px solid var(--line-wood);
  border-radius: 2px;
  background: rgba(192, 132, 71, 0.1);
}
.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 1px;
  background: currentColor;
}
.nav-toggle__bars { position: relative; }
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { transform: translateY(-6px) rotate(-45deg); }

.bookmark-dock {
  position: fixed;
  right: clamp(0.75rem, 2vw, 1.5rem);
  bottom: clamp(0.75rem, 2vw, 1.5rem);
  z-index: 80;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.68rem 0.95rem;
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--c-paper);
  background: rgba(5, 13, 24, 0.94);
  border: 1px solid var(--line-wood);
  border-radius: 2px;
  box-shadow: 0 10px 26px -14px rgba(0, 0, 0, 0.95);
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.bookmark-dock::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.6;
}
.bookmark-dock:hover { border-color: var(--c-cyan); color: var(--c-cyan); }
.bookmark-dock[data-active="true"] {
  background: var(--c-orange);
  border-color: var(--c-orange);
  color: var(--c-night);
}

/* ---------- 页脚 ---------- */
.site-footer {
  margin-top: clamp(3rem, 8vw, 6rem);
  background: var(--c-night);
  color: var(--c-paper);
  border-top: 1px solid var(--line-wood);
}

.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: clamp(1.4rem, 4vw, 3rem);
  flex-wrap: wrap;
  padding-block: clamp(2rem, 5vw, 3.25rem) 1.4rem;
}
.footer-identity__line {
  margin-top: 0.8rem;
  max-width: 30ch;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  color: var(--c-steel);
}

.footer-ring {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: auto;
}

.breath-ring {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 58px; height: 58px;
  flex: 0 0 auto;
  border-radius: 50%;
  border: 1px solid rgba(56, 225, 208, 0.55);
  color: var(--c-cyan);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.breath-ring::after {
  content: "";
  position: absolute;
  inset: -7px;
  border-radius: 50%;
  border: 1px solid rgba(56, 225, 208, 0.22);
  animation: breathe 4s ease-in-out infinite;
}
@keyframes breathe {
  0%, 100% { transform: scale(0.94); opacity: 0.5; }
  50%      { transform: scale(1.06); opacity: 1; }
}

.ring-meta {
  max-width: 24ch;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.7;
  letter-spacing: 0.06em;
  color: var(--c-steel);
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 190px), 1fr));
  gap: clamp(1.5rem, 4vw, 2.5rem);
  padding-block: 2rem 2.6rem;
  border-top: 1px solid var(--hair);
}

.footer-col__title {
  margin-bottom: 0.9rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--c-wood-soft);
}

.footer-list li + li { margin-top: 0.5rem; }
.footer-list a {
  font-size: 0.92rem;
  color: rgba(245, 242, 234, 0.72);
  border-bottom: 1px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}
.footer-list a:hover {
  color: var(--c-cyan);
  border-bottom-color: var(--line-cyan);
}

.footer-contact__row {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}
.footer-contact__row + .footer-contact__row { margin-top: 0.45rem; }
.footer-contact__label { flex: 0 0 2.6em; color: var(--c-steel); }
.footer-contact__value { color: var(--c-paper); word-break: break-all; }
.footer-contact__note {
  margin-top: 0.85rem;
  max-width: 32ch;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--c-steel);
}

.footer-legal {
  border-top: 1px solid var(--hair);
  background: rgba(5, 13, 24, 0.6);
}
.footer-legal__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding-block: 1.1rem 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--c-steel);
}

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.15rem;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--c-paper);
  background: rgba(192, 132, 71, 0.1);
  border: 1px solid var(--line-wood);
  border-radius: 2px;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}
.btn:hover { background: rgba(192, 132, 71, 0.24); border-color: var(--c-wood); }

.btn--cyan {
  color: var(--c-cyan);
  border-color: var(--line-cyan);
  background: rgba(56, 225, 208, 0.08);
}
.btn--cyan:hover { background: rgba(56, 225, 208, 0.18); border-color: var(--c-cyan); }

.btn--solid {
  color: var(--c-night);
  background: var(--c-cyan);
  border-color: var(--c-cyan);
}
.btn--solid:hover {
  background: var(--c-orange);
  border-color: var(--c-orange);
  color: var(--c-night);
}

/* ---------- 面包屑 ---------- */
.breadcrumb { margin-block: 1.6rem 0.4rem; }
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--c-steel);
}
.breadcrumb li { display: inline-flex; align-items: center; }
.breadcrumb li + li::before {
  content: "/";
  margin-right: 0.45rem;
  color: rgba(124, 147, 176, 0.5);
}
.breadcrumb a { color: var(--c-steel); transition: color 0.16s ease; }
.breadcrumb a:hover { color: var(--c-cyan); }
.breadcrumb [aria-current="page"] { color: var(--c-wood-soft); }

/* ---------- 正文容器 ---------- */
.prose {
  max-width: 720px;
  font-size: 17px;
  line-height: 1.75;
}
.prose > * + * { margin-top: 1.1em; }
.prose h2 {
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  line-height: 1.2;
  margin-top: 1.8em;
}
.prose h3 {
  font-size: clamp(1.1rem, 2.2vw, 1.3rem);
  margin-top: 1.5em;
}
.prose ul, .prose ol { padding-left: 1.3em; list-style: disc; }
.prose ol { list-style: decimal; }
.prose li + li { margin-top: 0.5em; }
.prose a {
  color: var(--c-cyan);
  border-bottom: 1px solid var(--line-cyan);
}
.prose strong { color: var(--c-paper); font-weight: 700; }
.prose code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  padding: 0.1em 0.35em;
  background: rgba(124, 147, 176, 0.14);
  border-radius: 2px;
}
.prose--paper { color: var(--c-ink); }
.prose--paper strong { color: var(--c-ink); }
.prose--paper a { color: #0d7f76; border-bottom-color: rgba(13, 127, 118, 0.4); }

/* ---------- 模块板与卡片 ---------- */
.bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1rem, 2.5vw, 1.6rem);
}
.bento > * { grid-column: span 12; min-width: 0; }

@media (min-width: 760px) {
  .bento > .bento__half { grid-column: span 6; }
  .bento > .bento__third { grid-column: span 4; }
  .bento > .bento__two-third { grid-column: span 8; }
  .bento > .bento__wide { grid-column: span 12; }
}

.card {
  position: relative;
  padding: clamp(1.1rem, 3vw, 1.6rem);
  background: rgba(10, 26, 47, 0.72);
  border: 1px solid var(--line-wood);
  border-radius: var(--radius);
}
.card--paper {
  background: var(--c-paper);
  color: var(--c-ink);
  border-color: rgba(16, 24, 34, 0.16);
}
.card--wood {
  background: rgba(192, 132, 71, 0.12);
  border-color: var(--line-wood);
}
.card__title {
  font-size: clamp(1.12rem, 2.2vw, 1.45rem);
  line-height: 1.2;
  font-weight: 700;
}
.card--paper .card__title { color: var(--c-ink); }
.card__meta {
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--c-steel);
}
.card--paper .card__meta { color: #5a6472; }

/* ---------- 印刷标签 ---------- */
.plate {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.2rem 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--c-wood-soft);
  border: 1px solid var(--line-wood);
  border-radius: 2px;
  background: rgba(5, 13, 24, 0.4);
}
.plate--cyan { color: var(--c-cyan); border-color: var(--line-cyan); }
.plate--solid { color: var(--c-night); background: var(--c-wood); border-color: var(--c-wood); }

/* ---------- 数据锚点 ---------- */
.stat {
  font-family: var(--font-mono);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--c-paper);
}
.stat--xl { font-size: clamp(3.2rem, 12vw, 6rem); }
.stat--l  { font-size: clamp(2rem, 5vw, 3rem); }
.stat--cyan { color: var(--c-cyan); }
.stat--orange { color: var(--c-orange); }
.stat--green { color: var(--c-green); }
.stat--steel { color: var(--c-steel); }

@keyframes score-pulse {
  0%   { text-shadow: 0 0 0 rgba(255, 123, 69, 0); }
  35%  { text-shadow: 0 0 24px rgba(255, 123, 69, 0.85); }
  100% { text-shadow: 0 0 0 rgba(255, 123, 69, 0); }
}
.stat.is-pulsing { animation: score-pulse 240ms ease-out; }

/* ---------- 图片容器（供页面阶段放置图片） ---------- */
.frame {
  position: relative;
  display: block;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid var(--line-wood);
  border-radius: var(--radius);
  background-image:
    radial-gradient(120% 90% at 18% 12%, rgba(56, 225, 208, 0.14), transparent 58%),
    linear-gradient(145deg, #0e2542 0%, #0a1728 52%, #050d18 100%);
}
.frame::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image: repeating-linear-gradient(115deg, rgba(56, 225, 208, 0.055) 0 2px, transparent 2px 10px);
}
.frame > img,
.frame > picture > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.frame--wide   { aspect-ratio: 16 / 9; }
.frame--scene  { aspect-ratio: 4 / 3; }
.frame--square { aspect-ratio: 1 / 1; }
.frame--tall   { aspect-ratio: 3 / 4; }

.frame__overlay {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 2;
  padding: clamp(0.9rem, 2.5vw, 1.4rem);
  background: linear-gradient(180deg, rgba(5, 13, 24, 0), rgba(5, 13, 24, 0.9));
}
.frame__caption {
  margin-top: 0.3rem;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--c-steel);
}

/* ---------- 章节状态与显现 ---------- */
[data-chapter] {
  transition: color 0.16s ease, border-color 0.16s ease, background-color 0.16s ease;
}
[data-chapter].is-active {
  color: var(--c-cyan);
  border-left-color: var(--c-cyan);
}

[data-reveal] {
  transition: opacity 0.5s cubic-bezier(0.2, 0.7, 0.3, 1), transform 0.5s cubic-bezier(0.2, 0.7, 0.3, 1);
}
html[data-js="on"] [data-reveal]:not(.is-visible) {
  opacity: 0;
  transform: translateY(14px);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .brand__tag { text-align: right; }
}

@media (max-width: 820px) {
  .nav-top__inner { padding-block: 0.55rem; gap: 0.55rem; }
  .brand__tag { display: none; }
  .season-chip { margin-left: auto; }
  .season-chip__hint { display: none; }

  .nav-main__inner { justify-content: flex-end; row-gap: 0; }
  .nav-toggle { display: inline-flex; margin-left: auto; }

  .nav-links {
    display: none;
    flex: 1 1 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-bottom: 0.5rem;
  }
  .nav-links[data-open="true"] { display: flex; }
  .nav-links a {
    padding: 0.78rem 0.6rem;
    border-bottom: 1px solid rgba(124, 147, 176, 0.16);
    border-left: 2px solid transparent;
    background: transparent;
  }
  .nav-links a:hover { background: rgba(192, 132, 71, 0.1); }
  .nav-links a[aria-current="page"] {
    border-bottom-color: rgba(124, 147, 176, 0.16);
    border-left-color: var(--c-cyan);
    background: rgba(56, 225, 208, 0.08);
  }
}

@media (max-width: 760px) {
  .footer-top { flex-direction: column; }
  .footer-ring { margin-left: 0; }
  .footer-columns { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 520px) {
  body { font-size: 16px; }
  .footer-columns { grid-template-columns: 1fr; }
  .bookmark-dock {
    right: 0.6rem;
    bottom: 0.6rem;
    padding: 0.6rem 0.8rem;
    font-size: 0.78rem;
  }
  .footer-legal__inner { flex-direction: column; align-items: flex-start; }
}

/* ---------- 降低动效偏好 ---------- */
@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;
  }
  html[data-js="on"] [data-reveal]:not(.is-visible) {
    opacity: 1;
    transform: none;
  }
  .progress-fill { transition: none; }
}