/* =========================================================
   大肥鱼的家 · 样式表
   深海主题 / 淡蓝海面主题，两套颜色只换变量
   ========================================================= */

:root {
  --bg: #06131f;
  --bg-2: #081a28;
  --ink: #e9f6ff;
  --ink-soft: #cfe6f3;
  --muted: #9cb6c9;
  --faint: #6f8a9d;
  --line: rgba(126, 208, 255, 0.15);
  --line-strong: rgba(126, 208, 255, 0.3);
  --panel: rgba(255, 255, 255, 0.045);
  --panel-2: rgba(255, 255, 255, 0.075);
  --aqua: #78e9d5;
  --blue: #7bb6ff;
  --pink: #ffb3c9;
  --gold: #ffd489;
  --shadow: 0 26px 60px rgba(0, 0, 0, 0.38);
  --radius: 24px;
  --max: 1120px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  --mono: "Cascadia Code", "JetBrains Mono", Consolas, "Courier New", monospace;
  color-scheme: dark;
}

[data-theme="light"] {
  --bg: #eef8fb;
  --bg-2: #e3f2f6;
  --ink: #0b2434;
  --ink-soft: #15384a;
  --muted: #4f6f80;
  --faint: #7b95a3;
  --line: rgba(12, 80, 110, 0.13);
  --line-strong: rgba(12, 80, 110, 0.26);
  --panel: rgba(255, 255, 255, 0.66);
  --panel-2: rgba(255, 255, 255, 0.9);
  --aqua: #0f9b8b;
  --blue: #2f7ad1;
  --pink: #d95d86;
  --gold: #b8811f;
  --shadow: 0 22px 50px rgba(18, 66, 86, 0.12);
  color-scheme: light;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(900px 620px at 12% -6%, rgba(120, 233, 213, 0.16), transparent 62%),
    radial-gradient(820px 560px at 88% 4%, rgba(123, 182, 255, 0.17), transparent 60%),
    radial-gradient(760px 620px at 72% 96%, rgba(255, 179, 201, 0.09), transparent 60%),
    linear-gradient(180deg, var(--bg-2), var(--bg) 46%, var(--bg-2));
  transition: background 0.5s ease;
}

[data-theme="light"] body::before {
  background:
    radial-gradient(860px 600px at 10% -4%, rgba(103, 214, 200, 0.4), transparent 62%),
    radial-gradient(760px 540px at 90% 2%, rgba(129, 186, 246, 0.35), transparent 60%),
    radial-gradient(720px 560px at 70% 100%, rgba(255, 196, 213, 0.28), transparent 62%),
    linear-gradient(180deg, #f4fbfd, var(--bg) 48%, var(--bg-2));
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  opacity: 0.5;
  background-image: radial-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 3px 3px;
  mask-image: linear-gradient(180deg, transparent, #000 20%, #000 80%, transparent);
}

::selection { background: rgba(120, 233, 213, 0.35); color: var(--ink); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(126, 208, 255, 0.22);
  border-radius: 99px;
  border: 3px solid transparent;
  background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover { background: rgba(126, 208, 255, 0.4); background-clip: padding-box; border: 3px solid transparent; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; color: inherit; }

:focus-visible {
  outline: 2px solid var(--aqua);
  outline-offset: 3px;
  border-radius: 8px;
}

/* ---------- 背景气泡 ---------- */
.bubbles {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}
.bubble {
  position: absolute;
  bottom: -80px;
  border-radius: 50%;
  border: 1px solid rgba(150, 228, 255, 0.16);
  background: radial-gradient(circle at 32% 28%, rgba(255, 255, 255, 0.22), rgba(140, 225, 255, 0.035) 60%, transparent 70%);
  animation: rise linear infinite;
  opacity: 0;
}
[data-theme="light"] .bubble { border-color: rgba(30, 120, 150, 0.22); }
@keyframes rise {
  0% { transform: translate3d(0, 0, 0) scale(0.9); opacity: 0; }
  12% { opacity: 0.42; }
  88% { opacity: 0.26; }
  100% { transform: translate3d(18px, -108vh, 0) scale(1.12); opacity: 0; }
}

/* ---------- 布局 ---------- */
.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 88px 0; position: relative; }
.section.tight { padding: 56px 0; }

.section-head { max-width: 720px; margin-bottom: 42px; }
.section-head h2 {
  margin: 10px 0 12px;
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  line-height: 1.28;
  font-weight: 900;
  letter-spacing: -0.01em;
}
.section-head p { margin: 0; color: var(--muted); font-size: 1rem; }

.label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--aqua);
}
.label::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}

/* ---------- 导航 ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding: 14px 0;
  transition: padding 0.35s ease, background 0.35s ease, border-color 0.35s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  padding: 9px 0;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom-color: var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 22px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 800;
  letter-spacing: 0.01em;
  flex-shrink: 0;
}
.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(150deg, rgba(120, 233, 213, 0.2), rgba(123, 182, 255, 0.14));
  border: 1px solid var(--line-strong);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16);
}
.brand-mark svg { width: 22px; height: 22px; }
.brand small {
  display: block;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.28em;
  color: var(--faint);
  font-weight: 500;
  line-height: 1.2;
  margin-top: 1px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-links::-webkit-scrollbar { display: none; }
.nav-links a {
  position: relative;
  padding: 8px 14px;
  border-radius: 99px;
  font-size: 0.9rem;
  color: var(--muted);
  white-space: nowrap;
  transition: color 0.25s, background 0.25s;
}
.nav-links a:hover { color: var(--ink); background: var(--panel); }
.nav-links a.active { color: var(--ink); background: var(--panel-2); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--aqua);
  transform: translateX(-50%);
  box-shadow: 0 0 8px var(--aqua);
}

.icon-btn {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--panel);
  cursor: pointer;
  transition: transform 0.25s, border-color 0.25s, background 0.25s;
}
.icon-btn:hover { transform: translateY(-2px) rotate(8deg); border-color: var(--line-strong); background: var(--panel-2); }
.icon-btn svg { width: 18px; height: 18px; }
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: none; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 22px;
  border-radius: 99px;
  font-weight: 700;
  font-size: 0.94rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.28s, background 0.28s, border-color 0.28s;
}
.btn .arrow { transition: transform 0.28s; display: inline-block; }
.btn:hover .arrow { transform: translateX(4px); }
.btn-primary {
  color: #04202a;
  background: linear-gradient(120deg, #9bf3e2, #7bc2ff 58%, #a8a5ff);
  box-shadow: 0 12px 30px rgba(110, 210, 230, 0.24), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 18px 40px rgba(110, 210, 230, 0.34), inset 0 1px 0 rgba(255, 255, 255, 0.6); }
.btn-ghost {
  color: var(--ink);
  border-color: var(--line-strong);
  background: var(--panel);
}
.btn-ghost:hover { transform: translateY(-3px); background: var(--panel-2); border-color: var(--aqua); }

/* ---------- 首屏 ---------- */
.hero {
  position: relative;
  padding: 168px 0 96px;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 56px;
  align-items: center;
}
.hero-copy { position: relative; z-index: 2; }
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 14px 6px 10px;
  border-radius: 99px;
  border: 1px solid var(--line);
  background: var(--panel);
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}
.pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--aqua);
  box-shadow: 0 0 0 0 rgba(120, 233, 213, 0.6);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(120, 233, 213, 0.55); }
  70% { box-shadow: 0 0 0 9px rgba(120, 233, 213, 0); }
  100% { box-shadow: 0 0 0 0 rgba(120, 233, 213, 0); }
}

.hero h1 {
  margin: 22px 0 0;
  font-size: clamp(2.7rem, 6.4vw, 4.7rem);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.02em;
}
.grad {
  background: linear-gradient(102deg, #f2fbff 4%, #a6e6ff 34%, #7dedd7 62%, #ffc2d4 96%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
[data-theme="light"] .grad {
  background: linear-gradient(102deg, #0b3448 4%, #1476a8 36%, #0f9b8b 64%, #c2517a 96%);
  -webkit-background-clip: text;
  background-clip: text;
}
.hero .sub {
  margin: 20px 0 0;
  font-size: clamp(1.02rem, 1.6vw, 1.18rem);
  color: var(--ink-soft);
  max-width: 33em;
}
.hero .sub strong { color: var(--aqua); font-weight: 700; }
.hero .lead {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.97rem;
  max-width: 36em;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.hstat b {
  display: block;
  font-size: 1.42rem;
  line-height: 1.2;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.hstat span {
  font-size: 0.76rem;
  color: var(--faint);
  letter-spacing: 0.08em;
}

/* 头像卡 */
.portrait-wrap { position: relative; display: grid; place-items: center; }
.portrait {
  position: relative;
  width: min(100%, 398px);
  aspect-ratio: 1 / 1;
  border-radius: 38% 62% 55% 45% / 46% 42% 58% 54%;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 50% 62%, rgba(120, 233, 213, 0.22), transparent 62%),
    radial-gradient(circle at 46% 30%, rgba(123, 182, 255, 0.2), transparent 66%);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.14);
  animation: morph 18s ease-in-out infinite;
  cursor: pointer;
}
@keyframes morph {
  0%, 100% { border-radius: 38% 62% 55% 45% / 46% 42% 58% 54%; }
  50% { border-radius: 54% 46% 42% 58% / 56% 54% 46% 44%; }
}
.portrait::before {
  content: "";
  position: absolute;
  inset: -18px;
  border-radius: inherit;
  border: 1px dashed rgba(126, 208, 255, 0.22);
  animation: spin 60s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.portrait img {
  width: 86%;
  height: 86%;
  object-fit: contain;
  filter: drop-shadow(0 26px 34px rgba(0, 0, 0, 0.4));
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.portrait:hover img { transform: translateY(-5px) scale(1.02); }
.portrait .ring {
  position: absolute;
  inset: 8%;
  border-radius: inherit;
  box-shadow: 0 0 90px rgba(120, 233, 213, 0.2);
  pointer-events: none;
}
.badge-float {
  position: absolute;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  border-radius: 99px;
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 0.76rem;
  color: var(--ink-soft);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.24);
  animation: bob 5.5s ease-in-out infinite;
}
.badge-float.b1 { top: 7%; left: -4%; }
.badge-float.b2 { bottom: 12%; right: -5%; animation-delay: -2.4s; }
.badge-float .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--aqua); }
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}
.portrait-caption {
  margin-top: 20px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--faint);
  letter-spacing: 0.12em;
}
.portrait-caption b { color: var(--ink-soft); letter-spacing: 0.18em; }

/* ---------- 通用卡片 ---------- */
.grid { display: grid; gap: 18px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  position: relative;
  padding: 26px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--panel-2), var(--panel));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.35s, box-shadow 0.4s;
}
.card::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  right: -100px;
  top: -110px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(120, 233, 213, 0.16), transparent 66%);
  opacity: 0;
  transition: opacity 0.45s;
  pointer-events: none;
}
.card:hover {
  transform: translateY(-5px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.09);
}
.card:hover::after { opacity: 1; }

.card-link { display: block; }
.card-link .card { height: 100%; }

.glyph {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--aqua);
  background: linear-gradient(150deg, rgba(120, 233, 213, 0.16), rgba(123, 182, 255, 0.08));
  border: 1px solid var(--line-strong);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
  flex-shrink: 0;
}
.glyph.blue { color: var(--blue); background: linear-gradient(150deg, rgba(123, 182, 255, 0.18), rgba(120, 233, 213, 0.06)); }
.glyph.pink { color: var(--pink); background: linear-gradient(150deg, rgba(255, 179, 201, 0.16), rgba(168, 165, 255, 0.08)); }
.glyph.gold { color: var(--gold); background: linear-gradient(150deg, rgba(255, 212, 137, 0.16), rgba(255, 179, 201, 0.06)); }

.card h3 {
  margin: 18px 0 8px;
  font-size: 1.16rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.card p { margin: 0; color: var(--muted); font-size: 0.92rem; }
.card .more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--aqua);
}
.card .more .arrow { transition: transform 0.3s; }
.card:hover .more .arrow { transform: translateX(4px); }

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 99px;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  border: 1px solid var(--line);
  background: var(--panel);
  white-space: nowrap;
}
.tag.ok { color: var(--aqua); border-color: rgba(120, 233, 213, 0.35); background: rgba(120, 233, 213, 0.08); }
.tag.slow { color: var(--gold); border-color: rgba(255, 212, 137, 0.32); background: rgba(255, 212, 137, 0.08); }
.tag.off { color: var(--faint); border-color: var(--line); }
.tag.rule { color: var(--pink); border-color: rgba(255, 179, 201, 0.3); background: rgba(255, 179, 201, 0.07); }
.dot-tag::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; }

/* ---------- 首屏下方三入口 ---------- */
.entry-card { padding: 28px; }
.entry-card .idx {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--faint);
  letter-spacing: 0.16em;
}
.entry-card h3 { font-size: 1.28rem; }

/* ---------- 引用条 ---------- */
.quote-strip {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 24px 28px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: linear-gradient(100deg, rgba(120, 233, 213, 0.08), rgba(123, 182, 255, 0.06));
}
.quote-strip .qmark {
  font-family: Georgia, serif;
  font-size: 2.6rem;
  line-height: 1;
  color: var(--aqua);
  opacity: 0.7;
}
.quote-strip p {
  margin: 0;
  flex: 1;
  font-size: 1.02rem;
  color: var(--ink-soft);
}
.quote-strip button {
  flex-shrink: 0;
  border: 1px solid var(--line-strong);
  background: var(--panel-2);
  border-radius: 99px;
  padding: 8px 16px;
  font-size: 0.82rem;
  cursor: pointer;
  transition: transform 0.25s, border-color 0.25s;
  white-space: nowrap;
}
.quote-strip button:hover { transform: translateY(-2px); border-color: var(--aqua); }

/* ---------- 时间线 ---------- */
.timeline {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--line-strong) 8%, var(--line-strong) 92%, transparent);
}
.tl-item {
  position: relative;
  padding: 0 0 38px 44px;
}
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 10px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--bg) 60%, transparent);
  transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.tl-item:hover::before {
  background: var(--aqua);
  border-color: var(--aqua);
  box-shadow: 0 0 18px rgba(120, 233, 213, 0.5);
}
.tl-date {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--aqua);
}
.tl-item h3 {
  margin: 6px 0 6px;
  font-size: 1.1rem;
  font-weight: 800;
}
.tl-item p { margin: 0; color: var(--muted); font-size: 0.93rem; max-width: 62em; }
.tl-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.tl-tags span {
  font-size: 0.7rem;
  padding: 3px 9px;
  border-radius: 99px;
  color: var(--faint);
  border: 1px solid var(--line);
  background: var(--panel);
}

/* ---------- 架构图 ---------- */
.arch {
  display: grid;
  gap: 14px;
}
.arch-row {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 16px;
  align-items: stretch;
}
.arch-role {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--panel);
  font-size: 0.74rem;
  color: var(--faint);
  letter-spacing: 0.1em;
  padding: 12px 6px;
}
.arch-role b { color: var(--ink-soft); font-size: 0.9rem; letter-spacing: 0.06em; }
.arch-nodes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.node {
  padding: 13px 15px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: linear-gradient(150deg, var(--panel-2), var(--panel));
  transition: border-color 0.3s, transform 0.3s;
}
.node:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.node b { display: block; font-size: 0.88rem; font-weight: 700; }
.node span { display: block; font-size: 0.74rem; color: var(--faint); margin-top: 2px; line-height: 1.5; }
.node.core {
  border-color: rgba(120, 233, 213, 0.4);
  background: linear-gradient(150deg, rgba(120, 233, 213, 0.13), rgba(123, 182, 255, 0.07));
}

/* ---------- 伤疤 / 补丁 ---------- */
.patch {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 14px;
  padding: 18px 20px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--panel);
}
.patch .num {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--pink);
  padding-top: 2px;
}
.patch h4 { margin: 0 0 4px; font-size: 0.97rem; font-weight: 700; }
.patch p { margin: 0; font-size: 0.86rem; color: var(--muted); }
.patch code, code.inline {
  font-family: var(--mono);
  font-size: 0.82em;
  padding: 1px 6px;
  border-radius: 6px;
  background: rgba(126, 208, 255, 0.1);
  color: var(--ink-soft);
}

/* ---------- 终端读数 ---------- */
.readout {
  border-radius: 18px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-2) 80%, transparent);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.readout-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}
.readout-bar i { width: 9px; height: 9px; border-radius: 50%; background: var(--line-strong); }
.readout-bar i:first-child { background: #ff8f9a; }
.readout-bar i:nth-child(2) { background: #ffd27a; }
.readout-bar i:nth-child(3) { background: #7ee7bd; }
.readout-bar span {
  margin-left: 8px;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--faint);
  letter-spacing: 0.06em;
}
.readout pre {
  margin: 0;
  padding: 18px 20px;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.9;
  color: var(--muted);
  overflow-x: auto;
}
.readout pre b { color: var(--aqua); font-weight: 500; }
.readout pre em { color: var(--pink); font-style: normal; }

/* ---------- 功能列表 ---------- */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}
.filter {
  padding: 8px 16px;
  border-radius: 99px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  font-size: 0.86rem;
  cursor: pointer;
  transition: all 0.25s;
}
.filter:hover { color: var(--ink); border-color: var(--line-strong); }
.filter.active {
  color: #04202a;
  background: linear-gradient(120deg, #9bf3e2, #86c8ff);
  border-color: transparent;
  font-weight: 700;
}
[data-theme="light"] .filter.active { color: #fff; background: linear-gradient(120deg, #0f9b8b, #2f7ad1); }

.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.feature {
  padding: 22px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--panel-2), var(--panel));
  display: flex;
  flex-direction: column;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.3s, opacity 0.3s;
}
.feature:hover { transform: translateY(-4px); border-color: var(--line-strong); }
.feature.hide { display: none; }
.feature .row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}
.feature .glyph { width: 40px; height: 40px; border-radius: 12px; font-size: 1rem; }
.feature h3 { margin: 0 0 6px; font-size: 1.02rem; font-weight: 800; }
.feature p { margin: 0; font-size: 0.87rem; color: var(--muted); flex: 1; }
.feature .meta {
  margin-top: 16px;
  padding-top: 13px;
  border-top: 1px dashed var(--line);
  font-size: 0.76rem;
  color: var(--faint);
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
}
.feature .meta b { color: var(--ink-soft); font-weight: 600; }
.feature .status {
  font-size: 0.68rem;
  padding: 3px 9px;
  border-radius: 99px;
  white-space: nowrap;
}
.s-ok { color: var(--aqua); background: rgba(120, 233, 213, 0.1); border: 1px solid rgba(120, 233, 213, 0.3); }
.s-slow { color: var(--gold); background: rgba(255, 212, 137, 0.09); border: 1px solid rgba(255, 212, 137, 0.28); }
.s-off { color: var(--faint); background: var(--panel); border: 1px solid var(--line); }
.s-rule { color: var(--pink); background: rgba(255, 179, 201, 0.08); border: 1px solid rgba(255, 179, 201, 0.28); }

/* ---------- 家的地图 ---------- */
.folder {
  padding: 22px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--panel-2), var(--panel));
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 0.35s, border-color 0.3s;
}
.folder:hover { transform: translateY(-4px); border-color: var(--line-strong); }
.folder .path {
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--aqua);
  word-break: break-all;
}
.folder h3 { margin: 0; font-size: 1.05rem; font-weight: 800; display: flex; align-items: center; gap: 8px; }
.folder p { margin: 0; font-size: 0.85rem; color: var(--muted); flex: 1; }
.folder .files { display: flex; flex-wrap: wrap; gap: 6px; }
.folder .files span {
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 6px;
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--faint);
}

/* ---------- 柱状图 ---------- */
.chart-card { padding: 28px; }
.chart-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 26px; }
.chart-head h3 { margin: 0; font-size: 1.1rem; }
.chart-head span { font-size: 0.78rem; color: var(--faint); }
.bars {
  display: grid;
  grid-template-columns: repeat(11, 1fr);
  gap: 8px;
  align-items: end;
  height: 210px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.bar {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
}
.bar-fill {
  width: 100%;
  max-width: 46px;
  height: var(--h);
  border-radius: 8px 8px 3px 3px;
  background: linear-gradient(180deg, rgba(120, 233, 213, 0.95), rgba(123, 182, 255, 0.35));
  box-shadow: 0 0 18px rgba(120, 233, 213, 0.18);
  transform-origin: bottom;
  animation: grow 1s cubic-bezier(0.22, 1, 0.36, 1) both;
  transition: filter 0.25s;
}
.bar:hover .bar-fill { filter: brightness(1.25); }
.bar .val {
  position: absolute;
  bottom: calc(var(--h) + 6px);
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--ink-soft);
}
.bar .day {
  position: absolute;
  bottom: -24px;
  font-family: var(--mono);
  font-size: 0.64rem;
  color: var(--faint);
  white-space: nowrap;
}
.bar:hover .day { color: var(--aqua); }
@keyframes grow { from { transform: scaleY(0); } to { transform: scaleY(1); } }

/* ---------- 日记摘句 ---------- */
.quote-card {
  padding: 24px 24px 20px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--panel-2), var(--panel));
  position: relative;
}
.quote-card::before {
  content: "“";
  position: absolute;
  top: 4px;
  right: 18px;
  font-family: Georgia, serif;
  font-size: 3.6rem;
  line-height: 1;
  color: var(--aqua);
  opacity: 0.25;
}
.quote-card p {
  margin: 0 0 14px;
  font-size: 0.94rem;
  color: var(--ink-soft);
  line-height: 1.85;
}
.quote-card .from {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--faint);
  letter-spacing: 0.06em;
}

/* ---------- 家规 ---------- */
.rules { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; counter-reset: rule; }
.rule-item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding: 18px 18px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--panel);
}
.rule-item::before {
  counter-increment: rule;
  content: counter(rule, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--aqua);
  padding-top: 3px;
}
.rule-item b { display: block; font-size: 0.92rem; margin-bottom: 2px; }
.rule-item span { font-size: 0.82rem; color: var(--muted); }

/* ---------- CTA ---------- */
.cta {
  position: relative;
  padding: 52px clamp(24px, 5vw, 56px);
  border-radius: 30px;
  border: 1px solid var(--line-strong);
  background:
    radial-gradient(520px 300px at 82% 20%, rgba(123, 182, 255, 0.16), transparent 70%),
    radial-gradient(420px 280px at 12% 90%, rgba(120, 233, 213, 0.14), transparent 70%),
    linear-gradient(160deg, var(--panel-2), var(--panel));
  overflow: hidden;
}
.cta h2 { margin: 12px 0 10px; font-size: clamp(1.6rem, 3.2vw, 2.2rem); font-weight: 900; }
.cta p { margin: 0; color: var(--muted); max-width: 40em; }
.cta .hero-actions { margin-top: 26px; }

/* ---------- 页脚 ---------- */
.site-footer {
  margin-top: 40px;
  padding: 46px 0 40px;
  border-top: 1px solid var(--line);
}
.foot-inner { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 24px; }
.foot-brand { display: flex; align-items: center; gap: 12px; font-weight: 800; }
.foot-brand .brand-mark { width: 34px; height: 34px; border-radius: 11px; }
.foot-line { margin: 0; font-size: 0.9rem; color: var(--muted); }
.foot-meta {
  margin: 0;
  width: 100%;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--faint);
  letter-spacing: 0.04em;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
}

/* ---------- 动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.in { opacity: 1; transform: none; }

/* ---------- 小提示 ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 34px;
  transform: translate(-50%, 20px);
  z-index: 90;
  padding: 12px 22px;
  border-radius: 99px;
  background: color-mix(in srgb, var(--bg-2) 88%, transparent);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-size: 0.88rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.32s, transform 0.32s;
  max-width: min(90vw, 460px);
  text-align: center;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- 页头（内页） ---------- */
.page-head {
  position: relative;
  padding: 150px 0 30px;
  overflow: hidden;
}
.page-head .label { margin-bottom: 14px; display: inline-flex; }
.page-head h1 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.14;
  font-weight: 900;
  letter-spacing: -0.02em;
}
.page-head .lede {
  margin: 18px 0 0;
  max-width: 44em;
  color: var(--muted);
  font-size: 1.02rem;
}
.page-head .lede strong { color: var(--ink-soft); font-weight: 700; }

.crumb {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.78rem;
  color: var(--faint);
  margin-bottom: 18px;
  font-family: var(--mono);
  letter-spacing: 0.08em;
}
.crumb a:hover { color: var(--aqua); }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .hero { padding-top: 146px; }
  .hero-grid { grid-template-columns: 1fr; gap: 54px; }
  .portrait-wrap { order: -1; }
  .portrait { width: min(74vw, 340px); }
  .badge-float.b1 { left: 4%; }
  .badge-float.b2 { right: 2%; }
  .feature-grid, .g3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .arch-nodes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .wrap { padding: 0 18px; }
  .section { padding: 64px 0; }
  .hero { padding: 128px 0 64px; }
  .nav { padding: 10px 0; }
  .brand small { display: none; }
  .brand span { font-size: 0.95rem; }
  .nav-links a { padding: 8px 10px; font-size: 0.84rem; }
  .nav-inner { gap: 10px; }
  .hero-stats { gap: 10px 22px; }
  .hstat b { font-size: 1.2rem; }
  .g2, .g3, .g4, .feature-grid { grid-template-columns: 1fr; }
  .rules { grid-template-columns: 1fr; }
  .arch-row { grid-template-columns: 1fr; gap: 8px; }
  .arch-role { flex-direction: row; justify-content: flex-start; gap: 8px; padding: 8px 14px; }
  .arch-nodes { grid-template-columns: 1fr; }
  .page-head { padding: 118px 0 24px; }
  .quote-strip { flex-direction: column; align-items: flex-start; gap: 12px; padding: 20px; }
  .quote-strip .qmark { display: none; }
  .bars { height: 170px; gap: 5px; }
  .bar .val { display: none; }
  .bar .day { font-size: 0.56rem; }
  .chart-head { flex-direction: column; align-items: flex-start; gap: 4px; }
  .foot-inner { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* 锚点跳转别贴到导航底下 */
[id] { scroll-margin-top: 96px; }

/* 品牌字标 */
.mark-char {
  font-size: 1.08rem;
  font-weight: 900;
  line-height: 1;
  color: var(--aqua);
  font-family: "STKaiti", "KaiTi", "PingFang SC", "Microsoft YaHei", serif;
  text-shadow: 0 0 18px rgba(120, 233, 213, 0.45);
}

/* ---------- 修补：锚点、图片边缘、无脚本兜底 ---------- */
.crumb { display: flex; width: fit-content; }

.portrait img {
  -webkit-mask-image: linear-gradient(180deg, #000 62%, rgba(0, 0, 0, 0.82) 78%, rgba(0, 0, 0, 0.3) 92%, transparent 99%);
  mask-image: linear-gradient(180deg, #000 62%, rgba(0, 0, 0, 0.82) 78%, rgba(0, 0, 0, 0.3) 92%, transparent 99%);
}

@media (scripting: none) {
  .reveal { opacity: 1; transform: none; }
}

/* ---------- 手机导航分两行 ---------- */
@media (max-width: 720px) {
  .nav-inner { flex-wrap: wrap; gap: 0 10px; }
  .brand { margin-right: auto; }
  .nav-links {
    order: 3;
    width: 100%;
    margin: 7px 0 0;
    justify-content: space-between;
    gap: 0;
  }
  .nav-links a { padding: 6px 7px; font-size: 0.82rem; }
  .hero { padding-top: 152px; }
  .page-head { padding-top: 148px; }
  .hero-grid { gap: 36px; }
  .portrait { width: min(66vw, 280px); }
  .portrait-caption { margin-top: 14px; }
  .badge-float.b1 { top: 1%; left: 0; }
  .badge-float.b2 { bottom: 9%; right: 0; }
  .section { padding: 58px 0; }
}

/* 戳一下：弹一下，不换图（有的表情包第一帧是空的） */
@keyframes poke {
  0% { transform: translateY(0) scale(1); }
  35% { transform: translateY(-14px) rotate(-4deg) scale(1.05); }
  68% { transform: translateY(3px) rotate(2deg) scale(0.99); }
  100% { transform: translateY(0) scale(1); }
}
.portrait img.poked { animation: poke 0.72s cubic-bezier(0.22, 1, 0.36, 1); }

/* ---------- 表情包展示 ---------- */
.sticker-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.sticker {
  margin: 0;
  padding: 14px 14px 12px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 50% 42%, rgba(120, 233, 213, 0.1), transparent 66%),
    linear-gradient(160deg, var(--panel-2), var(--panel));
  text-align: center;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.35s;
}
.sticker:hover { transform: translateY(-5px) rotate(-1deg); border-color: var(--line-strong); }
.sticker img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  filter: drop-shadow(0 12px 18px rgba(0, 0, 0, 0.28));
}
.sticker figcaption {
  margin-top: 8px;
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}
@media (max-width: 720px) {
  .sticker-row { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .sticker { padding: 10px 10px 8px; border-radius: 18px; }
}

/* 静态图也要有呼吸感 */
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.portrait { animation: morph 18s ease-in-out infinite, floaty 7s ease-in-out infinite; }