:root {
  --bg-base: #0a1022;
  --bg-accent: rgba(120, 173, 255, 0.22);
  --bg-accent-strong: rgba(106, 242, 255, 0.18);
  --text-primary: #f5f7ff;
  --text-secondary: rgba(235, 241, 255, 0.78);
  --text-muted: rgba(223, 231, 255, 0.62);
  --card-border: rgba(255, 255, 255, 0.18);
  --card-shadow: 0 22px 60px rgba(2, 6, 23, 0.34);
  --card-shadow-hover: 0 28px 80px rgba(80, 145, 255, 0.18);
  --radius-lg: 24px;
  --page-padding: clamp(20px, 3vw, 40px);
  --panel-gap: clamp(20px, 2vw, 28px);
  --content-width: min(920px, 100%);
  --transition: 220ms ease;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100vh;
  color: var(--text-primary);
  background:
    linear-gradient(135deg, rgba(5, 10, 25, 0.78), rgba(8, 18, 42, 0.34)),
    url("./648557.jpg") center / cover no-repeat fixed;
  overflow-x: hidden;
}

body.modal-open {
  overflow: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto;
  border-radius: 999px;
  pointer-events: none;
  filter: blur(18px);
  z-index: 0;
}

body::before {
  top: 8%;
  left: -8%;
  width: min(42vw, 460px);
  height: min(42vw, 460px);
  background: radial-gradient(circle, rgba(126, 179, 255, 0.34), transparent 68%);
  animation: drift 18s ease-in-out infinite;
}

body::after {
  right: -10%;
  bottom: 4%;
  width: min(40vw, 500px);
  height: min(40vw, 500px);
  background: radial-gradient(circle, rgba(123, 255, 244, 0.22), transparent 68%);
  animation: drift 22s ease-in-out infinite reverse;
}

.page-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--page-padding);
}

.layout {
  width: min(1360px, 100%);
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(560px, 0.94fr);
  gap: clamp(36px, 5vw, 92px);
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms ease, transform 600ms ease;
}

body.is-ready .layout {
  opacity: 1;
  transform: translateY(0);
}

.panel {
  display: flex;
  flex-direction: column;
  gap: var(--panel-gap);
}

.panel-profile,
.panel-content {
  position: relative;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.panel-profile {
  padding-left: clamp(4px, 1vw, 12px);
}

.panel-content {
  width: min(620px, 100%);
  justify-self: end;
  transform: translateX(88px);
  margin-right: 0;
}

.glass-card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(17, 25, 50, 0.48), rgba(7, 13, 29, 0.42));
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.glass-card:hover,
.icon-button:hover,
.blog-card:hover .blog-card-link,
.utility-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.28);
  box-shadow: var(--card-shadow-hover);
}

.glass-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent 45%, rgba(155, 214, 255, 0.08));
  pointer-events: none;
}

.avatar {
  width: 88px;
  height: 88px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #f8fbff;
  background: linear-gradient(145deg, rgba(150, 208, 255, 0.32), rgba(255, 255, 255, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.28);
  box-shadow: inset 0 1px 18px rgba(255, 255, 255, 0.1), 0 18px 40px rgba(0, 0, 0, 0.22);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
}

.intro-block h1,
.section-heading h2,
.qr-modal-card h2,
.blog-hero h1,
.post-header h1,
.utility-hero h1 {
  margin: 0;
  line-height: 1.05;
}

.intro-block h1 {
  font-family: "Snell Roundhand", "Segoe Script", "Bradley Hand", "Apple Chancery", cursive;
  font-size: clamp(2.5rem, 4.2vw, 4rem);
  font-weight: 500;
  letter-spacing: 0.03em;
  color: #fdfefe;
  text-shadow: 0 10px 28px rgba(8, 14, 28, 0.28);
  word-break: break-word;
}

.subtitle,
.quote-card p,
.message-text,
.nav-card p,
.date,
.card-label,
.qr-caption,
.blog-subtitle,
.blog-summary,
.blog-date,
.post-date,
.post-summary,
.blog-list-state,
.post-error,
.utility-note p,
.utility-card p,
.search-label,
.search-input,
.toast {
  margin: 0;
  color: var(--text-secondary);
}

.subtitle {
  margin-top: 12px;
  font-size: 1rem;
}

.quote-card {
  max-width: 420px;
}

.quote-card p {
  font-size: 1.06rem;
  line-height: 1.8;
}

.social-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  max-width: 124px;
}

.icon-button {
  width: 100%;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--text-primary);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.18);
  transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.icon-button-modal,
.qr-close,
.back-link,
.read-more,
.utility-card,
.search-button {
  cursor: pointer;
  font: inherit;
}

.icon {
  width: 18px;
  height: 18px;
  display: inline-flex;
}

.icon svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.top-cards {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(250px, 0.82fr);
  gap: 16px;
}

.message-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 176px;
}

.message-text {
  font-size: clamp(1.12rem, 1.8vw, 1.45rem);
  line-height: 1.65;
  color: var(--text-primary);
}

.message-sign {
  margin: 20px 0 0;
  text-align: right;
  color: var(--text-muted);
}

.time-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 176px;
}

.card-label {
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.date {
  margin-top: 16px;
  font-size: 1rem;
}

.clock {
  margin: 10px 0 0;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: 0.06em;
}

.nav-section,
.blog-section,
.utility-section {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.section-heading-spread {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
}

.nav-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.nav-card,
.utility-card {
  display: grid;
  grid-template-columns: 1fr;
  align-content: start;
  gap: 14px;
  color: inherit;
  text-decoration: none;
}

.nav-card {
  min-height: 156px;
}

.utility-card {
  min-height: 148px;
}

.nav-card h3,
.blog-card-title,
.utility-card h3,
.link-group h2 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.nav-card p,
.utility-card p,
.link-group p {
  line-height: 1.6;
  font-size: 0.92rem;
}

.nav-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.14), rgba(90, 152, 255, 0.16));
  color: #ffffff;
  font-size: 1.25rem;
  box-shadow: inset 0 1px 12px rgba(255, 255, 255, 0.08);
}

.qr-modal {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition), visibility var(--transition);
}

.qr-modal.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.qr-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 8, 20, 0.58);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.qr-modal-card {
  position: relative;
  z-index: 1;
  width: min(360px, calc(100vw - 40px));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
}

.qr-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 50%;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
  font-size: 1.3rem;
}

.qr-image {
  width: min(240px, 100%);
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
}

.blog-page .page-shell,
.utility-page .page-shell {
  align-items: flex-start;
}

.blog-shell {
  padding-top: clamp(28px, 5vw, 56px);
  padding-bottom: clamp(28px, 5vw, 56px);
}

.page-layout,
.blog-layout {
  width: var(--content-width);
  display: flex;
  flex-direction: column;
  gap: 24px;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms ease, transform 600ms ease;
}

body.is-ready .page-layout,
body.is-ready .blog-layout {
  opacity: 1;
  transform: translateY(0);
}

.blog-hero,
.post-shell,
.utility-hero {
  gap: 14px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  color: var(--text-primary);
  text-decoration: none;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
}

.blog-subtitle,
.post-summary {
  font-size: 1rem;
  line-height: 1.8;
}

.blog-list {
  display: grid;
  gap: 18px;
}

.blog-list:empty {
  display: none;
}

.blog-list-state,
.post-error {
  line-height: 1.7;
}

.blog-card {
  padding: 0;
}

.blog-card-link {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px;
  color: inherit;
  text-decoration: none;
  transition: transform var(--transition);
}

.blog-card-header {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.blog-summary {
  line-height: 1.8;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-secondary);
  font-size: 0.86rem;
}

.blog-card-footer,
.post-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.read-more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
  text-decoration: none;
}

.post-shell {
  padding: clamp(24px, 4vw, 36px);
}

.post-header {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.markdown-body {
  display: flex;
  flex-direction: column;
  gap: 18px;
  line-height: 1.85;
  color: rgba(245, 247, 255, 0.92);
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3 {
  margin: 10px 0 0;
  color: var(--text-primary);
  line-height: 1.25;
}

.markdown-body h1 {
  font-size: 2rem;
}

.markdown-body h2 {
  font-size: 1.5rem;
}

.markdown-body h3 {
  font-size: 1.2rem;
}

.markdown-body p,
.markdown-body ul,
.markdown-body blockquote,
.markdown-body pre {
  margin: 0;
}

.markdown-body ul {
  padding-left: 1.4rem;
}

.markdown-body li + li {
  margin-top: 8px;
}

.markdown-body blockquote {
  padding: 16px 18px;
  border-left: 3px solid rgba(153, 215, 255, 0.7);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 0 18px 18px 0;
  color: var(--text-secondary);
}

.markdown-body code {
  padding: 0.15em 0.45em;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  font-family: Consolas, "SFMono-Regular", Monaco, monospace;
  font-size: 0.92em;
}

.markdown-body pre {
  padding: 18px;
  overflow-x: auto;
  border-radius: 18px;
  background: rgba(6, 10, 22, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.markdown-body pre code {
  padding: 0;
  background: transparent;
  border-radius: 0;
}

.markdown-body a {
  color: #9ad7ff;
}

.markdown-body img,
.markdown-inline-image {
  width: min(100%, 760px);
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
}

.utility-grid,
.link-group-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.utility-note {
  min-height: auto;
}

.utility-note p {
  font-size: 1rem;
  line-height: 1.85;
}

.search-shell {
  padding: 24px;
}

.search-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.search-label {
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
}

.search-input {
  width: 100%;
  min-height: 50px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  outline: none;
}

.search-input::placeholder {
  color: rgba(235, 241, 255, 0.52);
}

.search-input:focus {
  border-color: rgba(154, 215, 255, 0.48);
  box-shadow: 0 0 0 4px rgba(154, 215, 255, 0.12);
}

.search-button {
  min-width: 112px;
  min-height: 50px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 16px;
  color: var(--text-primary);
  background: linear-gradient(145deg, rgba(121, 176, 255, 0.3), rgba(255, 255, 255, 0.08));
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.search-button:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: 0 18px 38px rgba(80, 145, 255, 0.18);
}

.toast-stack {
  position: fixed;
  right: clamp(16px, 3vw, 28px);
  bottom: clamp(16px, 3vw, 28px);
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
}

.toast {
  max-width: min(320px, calc(100vw - 32px));
  padding: 14px 16px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(17, 25, 50, 0.82), rgba(7, 13, 29, 0.74));
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 20px 48px rgba(2, 6, 23, 0.34);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--transition), transform var(--transition);
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-sequence > * {
  opacity: 0;
  transform: translateY(10px);
  animation: rise 640ms ease forwards;
}

.reveal-sequence > *:nth-child(1) { animation-delay: 80ms; }
.reveal-sequence > *:nth-child(2) { animation-delay: 160ms; }
.reveal-sequence > *:nth-child(3) { animation-delay: 240ms; }
.reveal-sequence > *:nth-child(4) { animation-delay: 320ms; }
.reveal-sequence > *:nth-child(5) { animation-delay: 400ms; }

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(18px, -14px, 0) scale(1.08);
  }
}

@media (max-width: 1180px) {
  .layout {
    width: min(1180px, 100%);
    grid-template-columns: minmax(260px, 0.9fr) minmax(0, 1.04fr);
    gap: 28px;
  }

  .panel-profile,
  .panel-content {
    margin-left: 0;
    margin-right: 0;
  }

  .panel-content {
    width: auto;
    transform: translateX(28px);
  }

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

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .top-cards,
  .utility-grid,
  .link-group-grid {
    grid-template-columns: 1fr;
  }

  .panel-content {
    width: auto;
    transform: none;
  }
}

@media (max-width: 768px) {
  .nav-grid,
  .utility-grid,
  .link-group-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  body {
    background-attachment: scroll;
  }

  .page-shell {
    align-items: flex-start;
  }

  .panel-profile,
  .panel-content {
    margin-left: 0;
    margin-right: 0;
  }

  .panel-content {
    transform: none;
  }

  .intro-block h1 {
    font-size: clamp(1.9rem, 10vw, 2.8rem);
    letter-spacing: 0.08em;
  }

  .social-links {
    gap: 10px;
    max-width: none;
  }

  .icon-button {
    width: 100%;
    justify-content: center;
  }

  .nav-grid,
  .utility-grid,
  .link-group-grid {
    grid-template-columns: 1fr;
  }

  .nav-card,
  .utility-card {
    min-height: 116px;
  }

  .blog-card-footer,
  .post-meta-row,
  .search-row {
    display: grid;
    grid-template-columns: 1fr;
  }

  .blog-card-link,
  .post-shell,
  .qr-modal-card,
  .search-shell {
    padding: 20px;
  }

  .read-more,
  .search-button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .layout,
  .page-layout,
  .blog-layout,
  .reveal-sequence > * {
    opacity: 1 !important;
    transform: none !important;
  }
}