:root {
  --bg: #10151d;
  --panel: #17212d;
  --panel-soft: #1f2d3a;
  --text: #eef5fb;
  --muted: #a8b7c7;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #62b6e8;
  --accent-strong: #88d4ff;
  --green: #8ccf7e;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.32);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(98, 182, 232, 0.18), transparent 34rem),
    linear-gradient(180deg, #111923 0%, var(--bg) 48%, #0c1118 100%);
  letter-spacing: 0;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  min-height: 68px;
  padding: 0 5vw;
  background: rgba(13, 19, 27, 0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent-strong);
  white-space: nowrap;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.nav-links a {
  padding: 8px 10px;
  color: var(--muted);
  border-radius: 6px;
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.section-shell {
  width: min(1120px, 90vw);
  margin: 0 auto;
  padding: 56px 0;
}

.hero {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 22px;
  min-height: calc(100vh - 68px);
  align-items: center;
  padding-top: 40px;
  padding-bottom: 24px;
}

.profile-card,
.stat-card,
.platform-card,
.game-card,
.mini-game,
.guestbook {
  background: linear-gradient(180deg, rgba(31, 45, 58, 0.92), rgba(21, 31, 43, 0.92));
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.profile-card {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 24px;
  align-items: center;
  padding: 28px;
}

.avatar {
  width: 132px;
  height: 132px;
  object-fit: cover;
  border: 3px solid rgba(136, 212, 255, 0.45);
  border-radius: 8px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 14px;
  font-size: clamp(36px, 7vw, 72px);
  line-height: 1;
}

h2 {
  margin-bottom: 0;
  font-size: 28px;
}

h3 {
  margin-bottom: 8px;
}

.bio {
  max-width: 620px;
  color: var(--muted);
  line-height: 1.8;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag,
.game-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 10px;
  color: #dff3ff;
  background: rgba(98, 182, 232, 0.16);
  border: 1px solid rgba(98, 182, 232, 0.28);
  border-radius: 999px;
  font-size: 13px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.stat-card {
  min-height: 126px;
  padding: 20px;
}

.stat-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--accent-strong);
  font-size: 34px;
  font-weight: 800;
}

.stat-card p,
.muted,
.mini-game p,
.platform-card p,
.platform-card small {
  color: var(--muted);
}

.two-column {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.section-title {
  margin-bottom: 18px;
}

.library-title {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
}

.mini-game-list {
  display: grid;
  gap: 12px;
}

.mini-game {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 14px;
  align-items: center;
  padding: 12px;
}

.mini-game img {
  width: 82px;
  height: 58px;
  object-fit: cover;
  border-radius: 6px;
}

.mini-game h3 {
  margin-bottom: 4px;
  font-size: 16px;
}

.mini-game p {
  margin-bottom: 0;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.platform-card {
  display: grid;
  grid-template-columns: 54px 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 16px;
}

.platform-icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  color: #09202f;
  background: linear-gradient(135deg, var(--accent), var(--green));
  border-radius: 8px;
  font-weight: 800;
}

.platform-card h3,
.platform-card p {
  margin-bottom: 4px;
}

.platform-card a,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 14px;
  color: #061520;
  background: var(--accent-strong);
  border: 0;
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
}

.platform-card a:hover,
button:hover {
  filter: brightness(1.08);
}

.toolbar {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr) auto;
  gap: 10px;
  align-items: end;
  margin-bottom: 18px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.toolbar label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

input,
select,
textarea {
  width: 100%;
  padding: 0 12px;
  color: var(--text);
  background: #0d141d;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 6px;
}

input,
select {
  height: 40px;
}

textarea {
  min-height: 112px;
  padding-top: 10px;
  line-height: 1.6;
  resize: vertical;
}

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

.game-card {
  overflow: hidden;
}

.game-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #111923;
}

.game-card-body {
  padding: 16px;
}

.game-card-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.score {
  display: grid;
  place-items: center;
  min-width: 42px;
  height: 32px;
  color: #061520;
  background: var(--green);
  border-radius: 6px;
  font-weight: 800;
}

.game-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}

.empty-message {
  display: none;
  padding: 22px;
  color: var(--muted);
  text-align: center;
  border: 1px dashed var(--line);
  border-radius: 8px;
}

.guestbook {
  margin-bottom: 56px;
  padding: 26px;
}

.guestbook p {
  color: var(--muted);
  line-height: 1.8;
}

.message-form {
  display: grid;
  gap: 14px;
  margin-bottom: 20px;
}

.message-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

.message-form button {
  justify-self: start;
}

.message-list {
  display: grid;
  gap: 12px;
}

.message-card {
  padding: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.message-card-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.message-card-header strong {
  color: var(--text);
}

.message-card-header span,
.message-empty {
  color: var(--muted);
}

.message-card p,
.message-empty {
  margin-bottom: 0;
}

.footer {
  padding: 24px 5vw;
  color: var(--muted);
  text-align: center;
  border-top: 1px solid var(--line);
}

@media (max-width: 860px) {
  .site-header,
  .library-title {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }

  .site-header {
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .hero,
  .two-column,
  .platform-grid,
  .game-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .toolbar {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .section-shell {
    width: min(100% - 28px, 1120px);
    padding: 36px 0;
  }

  .profile-card {
    grid-template-columns: 1fr;
  }

  .avatar {
    width: 108px;
    height: 108px;
  }

  .stats-grid,
  .platform-card {
    grid-template-columns: 1fr;
  }
}