/* jinhongyidao.com — 共享样式 */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@300;400;500;600;700&display=swap');

:root {
  --paper: #f7f3ec;
  --paper-deep: #efe8db;
  --ink: #241f1a;
  --ink-soft: #4a433c;
  --vermillion: #9b3a2c;
  --gold: #a9823e;
  --border: #ded3bd;
  --max-width: 880px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
  background-color: var(--paper);
  color: var(--ink);
  line-height: 1.9;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--vermillion);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

header.site-header {
  padding: 2.5rem 1.5rem 1.5rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

header.site-header .header-icon-wrap {
  display: block;
  height: 68px;
  margin: 0 auto 1rem;
  view-transition-name: header-icon;
}

header.site-header .header-icon {
  display: block;
  height: 100%;
  width: auto;
  margin: 0 auto;
  border-radius: 48%;
}

header.site-header .brand {
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--ink);
}

header.site-header .brand a {
  color: inherit;
}

nav.site-nav {
  margin-top: 1.1rem;
  display: flex;
  justify-content: center;
  gap: 2.2rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

nav.site-nav a {
  color: var(--ink-soft);
  padding-bottom: 0.2rem;
  border-bottom: 1px solid transparent;
}

nav.site-nav a:hover,
nav.site-nav a.active {
  color: var(--vermillion);
  border-bottom-color: var(--vermillion);
  text-decoration: none;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3.5rem 1.5rem 5rem;
  view-transition-name: main-content;
}

main.page-app {
  padding-top: 1.8rem;
  padding-bottom: 2rem;
}

.seal {
  display: inline-block;
  width: 3rem;
  height: 3rem;
  line-height: 3rem;
  text-align: center;
  border: 1.5px solid var(--vermillion);
  color: var(--vermillion);
  font-size: 1.1rem;
  border-radius: 4px;
  margin-bottom: 1.8rem;
}

h1 {
  font-size: 2rem;
  font-weight: 600;
  margin: 0 0 1rem;
  color: var(--ink);
}

h2 {
  font-size: 1.3rem;
  font-weight: 600;
  margin: 2.5rem 0 1rem;
  color: var(--ink);
  position: relative;
  padding-left: 1rem;
  border-left: 3px solid var(--gold);
}

.section-title {
  font-size: 1.8rem;
  font-weight: 600;
  margin: 0 0 1rem;
  color: var(--ink);
  padding-left: 0;
  border-left: none;
}

.card-row {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 2.5rem;
}

.card {
  flex: 1 1 280px;
  background: var(--paper-deep);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.8rem 1.6rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.card h3 {
  margin: 0 0 0.6rem;
  font-size: 1.1rem;
  color: var(--vermillion);
}

.card p {
  margin: 0 0 1rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.card a.enter {
  font-size: 0.9rem;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
}

.card a.enter:hover {
  color: var(--vermillion);
  border-bottom-color: var(--vermillion);
}

.contact-list {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 1.5rem;
}

.contact-item {
  position: relative;
  display: inline-block;
}

.contact-trigger {
  display: inline-block;
  color: inherit;
  font-size: inherit;
  border-bottom: 1px dashed var(--ink-soft);
  padding-bottom: 2px;
  cursor: default;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.contact-item:hover .contact-trigger,
.contact-item:focus .contact-trigger,
.contact-item:focus-visible .contact-trigger {
  border-bottom-color: var(--vermillion);
  color: var(--vermillion);
}

.contact-item .qr-popover {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  width: 160px;
  height: auto;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px;
  box-shadow: 0 8px 24px rgba(36, 31, 26, 0.15);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.15s ease, transform 0.15s ease;
  z-index: 10;
}

.contact-item:hover .qr-popover,
.contact-item:focus .qr-popover,
.contact-item:focus-visible .qr-popover {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

p {
  margin: 0 0 1.1rem;
  color: var(--ink-soft);
}

.field-block {
  margin-bottom: 1.6rem;
}

.field-block h3 {
  font-size: 1.05rem;
  color: var(--ink);
  margin: 0 0 0.5rem;
  font-weight: 600;
}

.eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.wechat-account {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.wechat-account-qr {
  width: 160px;
  height: auto;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px;
  box-shadow: 0 4px 16px rgba(36, 31, 26, 0.12);
}

.account-intro {
  text-align: center;
  padding: 1rem 1rem 3rem;
}

.account-intro p {
  max-width: 38em;
  margin-left: auto;
  margin-right: auto;
}

.section-divider {
  border: none;
  border-top: 1px solid var(--border);
  width: 50%;
  margin: 0 auto 2.5rem;
}

.coming-soon {
  text-align: center;
  padding: 1rem 1rem 2.5rem;
}

.coming-soon p {
  max-width: 38em;
  margin-left: auto;
  margin-right: auto;
}

.download-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2.2rem;
  margin: 2rem 0;
}

.download-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
}

.download-note {
  margin: 0;
}

.download-note a {
  font-size: 0.8rem;
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px dashed var(--ink-soft);
  padding-bottom: 1px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.download-note a:hover {
  color: var(--vermillion);
  border-bottom-color: var(--vermillion);
  text-decoration: none;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  background: var(--paper-deep);
  color: var(--ink);
  border: 1px solid var(--gold);
  border-radius: 999px;
  padding: 0.5rem 1.6rem;
  text-decoration: none;
  transition: background-color 0.25s ease, border-color 0.25s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.download-btn:hover {
  background: var(--paper);
  border-color: var(--vermillion);
  color: var(--ink);
  text-decoration: none;
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(36, 31, 26, 0.15);
}

.download-btn-icon {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
  color: var(--vermillion);
}

.download-btn-icon--apple {
  width: auto;
  height: 18px;
}

.download-btn-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.25;
}

.download-btn-label {
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--ink);
  white-space: nowrap;
}

.download-btn-sub {
  font-size: 0.85rem;
  color: var(--gold);
  opacity: 0.9;
  letter-spacing: 0.08em;
  margin-top: 0.15rem;
}

.screenshot-gallery {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.2rem;
  margin: 2rem 0;
}

.screenshot-gallery img {
  height: 380px;
  width: auto;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(36, 31, 26, 0.15);
}

@media (max-width: 600px) {
  .screenshot-gallery img {
    height: 280px;
  }
}

footer.site-footer {
  text-align: center;
  padding: 2rem 1.5rem 3rem;
  color: var(--ink-soft);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}

@media (max-width: 600px) {
  nav.site-nav {
    gap: 1.2rem;
    font-size: 0.85rem;
  }
  h1 {
    font-size: 1.6rem;
  }
  header.site-header .header-icon-wrap {
    height: 52px;
  }
}

/* 页面切换滑动效果：首页 -> 关于锦鸿居士 -> 锦鸿易道 顺序往右滑，
   往回跳则往左滑；跨两页直接跳转时滑动距离更大、更快，感觉像连续退了两步。
   转场由 transition.js 判断方向，写入 <html data-transition="forward-1|forward-2|backward-1|backward-2"> */

@view-transition {
  navigation: auto;
}

html[data-transition^="forward"],
html[data-transition^="backward"] {
  --jhyd-distance: 30%;
  --jhyd-duration: 0.5s;
}

html[data-transition$="-2"] {
  --jhyd-distance: 55%;
  --jhyd-duration: 0.38s;
}

/* 页头、页脚不参与滑动，只让 main 里的内容动
   显式声明 opacity: 1，避免 animation: none 时元素停留在默认的不可见状态 */
html[data-transition]::view-transition-old(root),
html[data-transition]::view-transition-new(root),
html[data-transition]::view-transition-old(header-icon),
html[data-transition]::view-transition-new(header-icon) {
  animation: none;
  opacity: 1;
  transform: none;
  mix-blend-mode: normal;
}

html[data-transition^="forward"]::view-transition-old(main-content) {
  animation: jhyd-slide-out-left var(--jhyd-duration) ease both;
}

html[data-transition^="forward"]::view-transition-new(main-content) {
  animation: jhyd-slide-in-from-right var(--jhyd-duration) ease both;
}

html[data-transition^="backward"]::view-transition-old(main-content) {
  animation: jhyd-slide-out-right var(--jhyd-duration) ease both;
}

html[data-transition^="backward"]::view-transition-new(main-content) {
  animation: jhyd-slide-in-from-left var(--jhyd-duration) ease both;
}

@keyframes jhyd-slide-out-right {
  to {
    transform: translateX(var(--jhyd-distance));
    opacity: 0;
  }
}

@keyframes jhyd-slide-in-from-left {
  from {
    transform: translateX(calc(-1 * var(--jhyd-distance)));
    opacity: 0;
  }
}

@keyframes jhyd-slide-out-left {
  to {
    transform: translateX(calc(-1 * var(--jhyd-distance)));
    opacity: 0;
  }
}

@keyframes jhyd-slide-in-from-right {
  from {
    transform: translateX(var(--jhyd-distance));
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  @view-transition {
    navigation: none;
  }
}