/* ============================================================
   金宝搏中心 · 共享样式 /assets/site.css
   奶油纸 · 深墨蓝 · 红土陶 · 翡翠绿 · 金箔黄
   ============================================================ */

/* ---------- 1. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
}

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

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

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

button, input, select, textarea { font: inherit; color: inherit; }

a { color: inherit; }

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

/* ---------- 2. 设计变量 ---------- */
:root {
  /* 品牌色 */
  --paper:      #F7F1E3;
  --ink-blue:   #102A43;
  --clay:       #B5532F;
  --jade:       #1F7A5C;
  --gold:       #E0A62B;
  --brown:      #2B1D16;
  --brick:      #D96C4A;
  --mist:       #FFFDF7;
  --celadon:    #C9D3C5;
  --deep-jade:  #0E3B2E;

  /* 字体 */
  --font-display: "Noto Serif SC", "Songti SC", "STSong", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;

  /* 结构与质感 */
  --gutter: 24px;
  --container: 1200px;
  --line: 3px solid var(--brown);
  --shadow-hard: 6px 6px 0 var(--brown);
  --shadow-hard-lg: 10px 10px 0 var(--brown);
  --shadow-gold: 6px 6px 0 rgba(224, 166, 43, .55);
  --shadow-gold-sm: 4px 4px 0 rgba(224, 166, 43, .55);

  /* 动效 */
  --ease: cubic-bezier(.2, .7, .3, 1);
  --dur: .17s;
}

@media (max-width: 1024px) { :root { --gutter: 18px; } }
@media (max-width: 640px)  { :root { --gutter: 14px; } }

/* ---------- 3. 中文排版基础 ---------- */
body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--paper);
  color: var(--brown);
  font-family: var(--font-body);
  font-size: clamp(16px, 0.35vw + 14px, 17px);
  font-weight: 400;
  line-height: 1.8;
  letter-spacing: .012em;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: .01em;
}

h1 { font-size: clamp(2rem, 4.4vw, 3.4rem); }
h2 { font-size: clamp(1.55rem, 2.9vw, 2.35rem); }
h3 { font-size: clamp(1.15rem, 1.7vw, 1.45rem); }

p { margin: 0; }
p + p { margin-top: .85em; }

strong { font-weight: 700; }

a {
  color: var(--clay);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

a:hover { color: var(--brick); }

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

::selection {
  background: var(--gold);
  color: var(--brown);
}

main { display: block; }

/* ---------- 4. 布局工具 ---------- */
.wrap {
  width: min(100% - (var(--gutter) * 2), var(--container));
  margin-inline: auto;
}

.grid {
  display: grid;
  gap: var(--gutter);
}

.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

@media (max-width: 900px) {
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .grid--2,
  .grid--3 { grid-template-columns: minmax(0, 1fr); }
}

.section { padding-block: clamp(40px, 6vw, 88px); }

.prose { max-width: 68ch; }
.prose > * + * { margin-top: 1em; }
.prose h2 { margin-top: 1.6em; }
.prose h3 { margin-top: 1.3em; }
.prose ul, .prose ol { padding-left: 1.3em; list-style: disc; }
.prose ol { list-style: decimal; }
.prose li + li { margin-top: .4em; }

/* ---------- 5. 通用排版组件 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .24em;
  color: var(--clay);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 3px;
  background: var(--gold);
  flex: none;
}

.display-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 5.4vw, 4rem);
  line-height: 1.08;
  letter-spacing: .005em;
}

.lead {
  max-width: 62ch;
  font-size: clamp(1rem, .6vw + .9rem, 1.16rem);
  color: rgba(43, 29, 22, .84);
}

.big-number {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(3rem, 8vw, 6.5rem);
  line-height: .82;
  letter-spacing: -.02em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

/* ---------- 6. 通用块组件 ---------- */
.card {
  background: var(--mist);
  border: var(--line);
  box-shadow: var(--shadow-hard);
  padding: clamp(18px, 2.4vw, 30px);
}

.tag {
  display: inline-block;
  padding: 3px 10px;
  border: 2px solid currentColor;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  line-height: 1.6;
  color: var(--jade);
  background: rgba(31, 122, 92, .08);
}

.tag--clay {
  color: var(--clay);
  background: rgba(181, 83, 47, .09);
}

/* ---------- 7. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55em;
  padding: 11px 20px;
  border: 2px solid var(--brown);
  background: var(--clay);
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .1em;
  line-height: 1.4;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 4px 4px 0 var(--brown);
  transition: box-shadow var(--dur) var(--ease),
              transform var(--dur) var(--ease),
              background-color var(--dur) var(--ease),
              color var(--dur) var(--ease);
}

.btn:hover {
  transform: translate(-1px, -1px);
  box-shadow: 6px 6px 0 var(--brown);
  color: var(--mist);
}

.btn:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--brown);
}

.btn--gold {
  background: var(--ink-blue);
  color: var(--gold);
  border-color: var(--gold);
  box-shadow: var(--shadow-gold-sm);
}

.btn--gold:hover {
  background: var(--gold);
  color: var(--ink-blue);
  border-color: var(--gold);
  box-shadow: 6px 6px 0 rgba(224, 166, 43, .5);
}

.btn--clay {
  background: var(--clay);
  color: var(--mist);
}

.btn--ghost {
  background: transparent;
  color: var(--brown);
  border-color: var(--brown);
  box-shadow: 4px 4px 0 rgba(43, 29, 22, .25);
}

.btn--ghost:hover {
  background: var(--mist);
  color: var(--brown);
  box-shadow: 6px 6px 0 rgba(43, 29, 22, .3);
}

.btn--sm {
  padding: 8px 14px;
  font-size: 12px;
  letter-spacing: .08em;
}

/* ---------- 8. 面包屑 ---------- */
.breadcrumb {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--clay);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.breadcrumb li {
  display: inline-flex;
  align-items: center;
}

.breadcrumb li:not(:last-child)::after {
  content: "／";
  margin-left: 6px;
  color: var(--celadon);
}

.breadcrumb a {
  color: inherit;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.breadcrumb a:hover {
  color: var(--brick);
  border-bottom-color: var(--gold);
}

.breadcrumb [aria-current="page"] {
  color: var(--brown);
  font-weight: 600;
}

/* ---------- 9. 响应式图片容器 ---------- */
.media-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: var(--line);
  box-shadow: var(--shadow-hard);
  background-color: var(--ink-blue);
  background-image: repeating-linear-gradient(
    135deg,
    rgba(224, 166, 43, .16) 0 12px,
    transparent 12px 26px
  );
}

.media-frame > img,
.media-frame > picture,
.media-frame > picture > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--wide { aspect-ratio: 21 / 9; }

@media (max-width: 640px) {
  .media-frame { box-shadow: 4px 4px 0 var(--brown); }
  .media-frame--wide { aspect-ratio: 16 / 9; }
}

/* ---------- 10. 跳转链接 ---------- */
.skip-link {
  position: absolute;
  top: 10px;
  left: 12px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--gold);
  color: var(--brown);
  border: 2px solid var(--brown);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-decoration: none;
  transform: translateY(-180%);
  transition: transform var(--dur) var(--ease);
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
  outline: 3px solid var(--mist);
  outline-offset: 2px;
}

/* ---------- 11. 品牌署名牌 ---------- */
.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--mist);
}

.brand-seal {
  display: grid;
  place-items: center;
  flex: none;
  width: 40px;
  height: 40px;
  background: var(--clay);
  color: var(--mist);
  border: 2px solid var(--gold);
  box-shadow: 3px 3px 0 rgba(224, 166, 43, .55);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  line-height: 1;
  transform: rotate(-3deg);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.brand-name {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  line-height: 1.15;
  letter-spacing: .06em;
  color: var(--mist);
}

.brand-sub {
  display: block;
  font-size: 10px;
  line-height: 1.4;
  letter-spacing: .22em;
  color: var(--gold);
}

/* ---------- 12. 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: var(--ink-blue);
  color: var(--mist);
  border-bottom: 3px solid var(--gold);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--gold) 0%,
    var(--brick) 42%,
    var(--jade) 74%,
    var(--deep-jade) 100%
  );
}

.header-shell {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(12px, 2vw, 30px);
  width: min(100% - (var(--gutter) * 2), 1320px);
  margin-inline: auto;
  padding-block: 13px;
}

.header-brand {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 0;
}

/* 阅读进度 */
.reading-meter {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-left: 2px;
}

.reading-meter__label {
  font-size: 10px;
  letter-spacing: .2em;
  color: var(--celadon);
  white-space: nowrap;
}

.reading-meter__track {
  display: block;
  width: 78px;
  height: 4px;
  background: rgba(201, 211, 197, .26);
  overflow: hidden;
}

.reading-meter__fill {
  display: block;
  width: 0;
  height: 100%;
  background: var(--gold);
  transition: width .12s linear;
}

.reading-meter__value {
  min-width: 4ch;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

/* 桌面导航 */
.site-nav { justify-self: center; }

.site-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(2px, .9vw, 14px);
  counter-reset: navidx;
}

.site-nav__list > li { counter-increment: navidx; }

.site-nav__list a {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  color: rgba(255, 253, 247, .8);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .1em;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}

.site-nav__list a::before {
  content: counter(navidx, decimal-leading-zero);
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--gold);
  opacity: .5;
}

.site-nav__list a:hover {
  color: var(--mist);
  border-bottom-color: var(--gold);
}

.site-nav__list a[aria-current="page"] {
  color: var(--gold);
  font-weight: 700;
  border-bottom-color: var(--gold);
}

.site-nav__list a[aria-current="page"]::before { opacity: 1; }

.site-nav__aside { display: none; }

/* 右侧工具区 */
.header-tools {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-self: end;
}

.header-hours {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--celadon);
  white-space: nowrap;
}

.header-hours .dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--jade);
  box-shadow: 0 0 0 2px rgba(31, 122, 92, .35);
}

/* 移动抽屉开关 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  justify-self: end;
  padding: 9px 13px;
  background: transparent;
  color: var(--gold);
  border: 2px solid var(--gold);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  line-height: 1;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease),
              color var(--dur) var(--ease);
}

.nav-toggle:hover {
  background: var(--gold);
  color: var(--ink-blue);
}

.nav-toggle__bars {
  display: grid;
  gap: 3px;
}

.nav-toggle__bars span {
  display: block;
  width: 16px;
  height: 2px;
  background: currentColor;
  transition: opacity var(--dur) var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) {
  opacity: 0;
}

/* ---------- 13. 头部响应式（≤1180px 折叠为抽屉） ---------- */
@media (max-width: 1180px) {
  .header-shell {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
  }

  .header-tools { display: none; }

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

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: block;
    justify-self: stretch;
    max-height: calc(100vh - 96px);
    overflow-y: auto;
    padding: 10px var(--gutter) 26px;
    background: var(--ink-blue);
    border-bottom: 3px solid var(--gold);
    box-shadow: 0 10px 0 rgba(43, 29, 22, .22);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity var(--dur) var(--ease),
                transform var(--dur) var(--ease),
                visibility var(--dur) var(--ease);
  }

  .site-nav[data-open] {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

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

  .site-nav__list a {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 15px 2px;
    font-size: 15px;
    letter-spacing: .12em;
    border-bottom: 1px solid rgba(201, 211, 197, .18);
  }

  .site-nav__list a::before { font-size: 12px; }

  .site-nav__list a:hover {
    background: rgba(224, 166, 43, .07);
  }

  .site-nav__list a[aria-current="page"] {
    border-bottom-color: rgba(224, 166, 43, .35);
  }

  .site-nav__aside {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px dashed rgba(201, 211, 197, .3);
  }

  .site-nav__hours {
    font-size: 12px;
    letter-spacing: .12em;
    color: var(--celadon);
  }
}

@media (max-width: 640px) {
  .brand-seal {
    width: 34px;
    height: 34px;
    font-size: 17px;
  }

  .brand-name { font-size: 16px; }

  .reading-meter__track { width: 56px; }

  .reading-meter__label { display: none; }

  .nav-toggle__text { display: none; }
}

/* ---------- 14. 页脚 ---------- */
.site-footer {
  margin-top: auto;
  background: var(--deep-jade);
  color: var(--mist);
  border-top: 3px solid var(--gold);
}

.footer-stripe {
  height: 8px;
  background: repeating-linear-gradient(
    135deg,
    var(--gold) 0 16px,
    var(--clay) 16px 32px,
    var(--jade) 32px 48px,
    var(--ink-blue) 48px 64px
  );
}

.footer-shell {
  display: grid;
  grid-template-columns: 1.7fr repeat(3, minmax(0, 1fr));
  gap: 32px 28px;
  width: min(100% - (var(--gutter) * 2), var(--container));
  margin-inline: auto;
  padding-block: clamp(32px, 5vw, 58px);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.brand-mark--footer { color: var(--mist); }

.brand-mark--footer .brand-seal {
  background: var(--jade);
  border-color: var(--gold);
}

.footer-note {
  max-width: 34ch;
  font-size: 13px;
  line-height: 1.85;
  letter-spacing: .03em;
  color: var(--celadon);
}

.footer-col__title {
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid rgba(224, 166, 43, .45);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--gold);
}

.footer-links li + li { margin-top: 4px; }

.footer-links a {
  display: inline-block;
  padding-block: 5px;
  color: var(--celadon);
  font-size: 14px;
  letter-spacing: .05em;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}

.footer-links a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
  transform: translateX(2px);
}

.footer-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 30px;
  width: min(100% - (var(--gutter) * 2), var(--container));
  margin-inline: auto;
  padding-block: 18px;
  border-top: 1px solid rgba(201, 211, 197, .24);
}

.footer-contact__item {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--celadon);
  overflow-wrap: anywhere;
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  padding: 16px max(var(--gutter), calc((100% - var(--container)) / 2));
  background: var(--ink-blue);
  border-top: 2px solid rgba(224, 166, 43, .35);
}

.footer-meta {
  font-size: 12px;
  letter-spacing: .08em;
  color: rgba(201, 211, 197, .78);
}

@media (max-width: 900px) {
  .footer-shell { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .footer-shell { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .footer-base { flex-direction: column; }
}

/* ---------- 15. 滚动渐显 ---------- */
[data-reveal] {
  transition: opacity .18s var(--ease), transform .18s var(--ease);
}

.has-js [data-reveal]:not([data-revealed]) {
  opacity: 0;
  transform: translateY(14px);
}

/* ---------- 16. 减少动态偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }

  .site-nav {
    transform: none !important;
    transition: none !important;
  }

  [data-reveal],
  .has-js [data-reveal]:not([data-revealed]) {
    opacity: 1;
    transform: none;
  }

  .btn:hover,
  .btn:active,
  .footer-links a:hover {
    transform: none;
  }
}