/* ============================================================
   RHINE LAB · BIOLOGY RESEARCH ARCHIVE
   Design System v1.0
   ============================================================ */

:root {
  /* 基础配色 — 偏暖的近黑 (轻微绿调) */
  --bg-base:    #0a0f08;
  --bg-panel:   #121810;
  --bg-card:    #1a2316;
  --bg-elev:    #212c1c;
  --grid-line:  #2a3522;
  --grid-line-2:#3a482c;

  /* 莱茵生命 — 柠檬绿 / 橄榄绿主色系 */
  --green:        #f3c64e;   /* 主色: 莱茵柠檬绿 */
  --green-bright: #f3c64e;   /* 亮绿: 高亮 */
  --green-soft:   #b17e08;   /* 橄榄: 次级 */
  --green-dark:   #b17e08;   /* 深橄榄: 边框/底纹 */
  --lime:         #f3c64e;   /* 浅柠檬 */
  --mint:         #7af0c0;   /* 草绿 (success) */
  --amber:        #f3c64e;   /* 琥珀金 (高亮,不再是警示) */
  --red:          #ff5a7a;   /* 暖红 (警示) */
  --red-soft:     #ff5a7a;
  --purple:       #b6a5ff;   /* 橄榄灰 (替代原紫色) */

  --gold:         #f3c64e;
  --gold-soft:    #b17e08;
  --coral:        #ff5a7a;
  --coral-soft:   #ff8aa0;
  --lime:         #c4d947;
  --rhine-gold:   #f3c64e;
  --rhine-lime:   #c4d947;
  --rhine-green:  #a4d337;
  --rhine-deep:   #6b8e23;
  --green-bright: #d4e55c;
  --green-dark:   #3a4a14;
  --blue:         #4f8bff;
  --text:         #ffffff;
  --text-mute:    #d4dccd;
  --text-dim:     #8a9686;
  --text-faint:   #5a6458;

  /* 字体 */
  --font-display: 'Orbitron', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body:    'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono:    'JetBrains Mono', 'Consolas', 'Courier New', monospace;

  /* 尺寸 */
  --radius-sm: 2px;
  --radius:    4px;
  --gap:       1rem;
  --max-w:     1280px;

  /* 阴影 / 发光 */
  --glow-green: 0 0 8px rgba(243, 198, 78, 0.5), 0 0 16px rgba(243, 198, 78, 0.2);
  --glow-mint: 0 0 8px rgba(0, 255, 156, 0.5);
  --glow-red:  0 0 8px rgba(255, 90, 122, 0.5);
}

/* ============================================================
   Reset & Base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-base);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
  font-weight: 400;
  position: relative;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 50% 100%, rgba(164, 211, 55, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse 60% 30% at 50% 90%, rgba(243, 198, 78, 0.1) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* 背景层 */
#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
}

.hex-grid {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    linear-gradient(30deg, transparent 49%, var(--grid-line) 49%, var(--grid-line) 51%, transparent 51%),
    linear-gradient(150deg, transparent 49%, var(--grid-line) 49%, var(--grid-line) 51%, transparent 51%),
    linear-gradient(90deg, transparent 49%, var(--grid-line) 49%, var(--grid-line) 51%, transparent 51%),
    linear-gradient(330deg, transparent 49%, var(--grid-line) 49%, var(--grid-line) 51%, transparent 51%);
  background-size: 60px 104px;
  opacity: 0.08;
  animation: gridDrift 60s linear infinite;
}

@keyframes gridDrift {
  from { background-position: 0 0, 0 0, 0 0, 0 0; }
  to   { background-position: 60px 104px, 60px 104px, 60px 104px, 60px 104px; }
}

.scanline {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  background: linear-gradient(to bottom, transparent 50%, rgba(243, 198, 78, 0.015) 50%);
  background-size: 100% 4px;
  opacity: 0.5;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' /%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' /%3E%3C/svg%3E");
}

/* ============================================================
   Typography
   ============================================================ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.2;
}

.mono { font-family: var(--font-mono); font-feature-settings: 'tnum'; }
.muted { color: var(--text-dim); }

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

/* ============================================================
   通用工具
   ============================================================ */
.hidden { display: none !important; }

.bracket {
  color: var(--gold);
  font-family: var(--font-mono);
  font-weight: 400;
}

/* ============================================================
   顶栏
   ============================================================ */
.top-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(20, 24, 20, 0.75);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 1px 0 var(--gold-soft), 0 8px 24px rgba(0, 0, 0, 0.4);
}

.top-bar-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text);
}

.rhine-mark {
  color: var(--gold);
  filter: drop-shadow(0 0 4px var(--gold));
  display: inline-flex;
}

.rhine-mark-mini {
  color: var(--gold);
  margin-right: 0.25rem;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-text strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  color: var(--text);
}

.logo-text small {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--gold);
  letter-spacing: 0.05em;
  margin-top: 2px;
}

.nav {
  display: flex;
  gap: 0.25rem;
  margin-left: auto;
}

.nav-item {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  color: var(--text-mute);
  text-decoration: none;
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}

.nav-item:hover {
  color: var(--gold);
  border-color: var(--grid-line);
  background: rgba(243, 198, 78, 0.05);
}

.nav-item.active {
  color: var(--gold);
  border-color: var(--gold-soft);
  background: rgba(243, 198, 78, 0.08);
}

.nav-item.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gold);
  box-shadow: 0 0 8px var(--gold);
}

.nav-item.json-toggle {
  color: var(--gold);
}

.status-bar {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  border-left: 1px solid var(--grid-line);
  padding-left: 1.5rem;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.status-label {
  color: var(--text-dim);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
}

.status-value {
  color: var(--green);
  letter-spacing: 0.05em;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--green);
}

.status-dot.pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(0.85); }
}

/* ============================================================
   按钮系统
   ============================================================ */
.btn-rhine {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.6rem 1.25rem;
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold-soft);
  cursor: pointer;
  position: relative;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: 0.05em;
}

.btn-rhine:hover {
  background: rgba(243, 198, 78, 0.1);
  border-color: var(--gold);
  box-shadow: var(--glow-green);
  transform: translateY(-1px);
}

.btn-rhine:active { transform: translateY(0); }

.btn-rhine.primary {
  background: var(--gold);
  color: var(--bg-base);
  font-weight: 700;
}

.btn-rhine.primary:hover {
  background: var(--green);
  border-color: var(--green);
  color: var(--bg-base);
  box-shadow: var(--glow-mint);
}

.btn-rhine.ghost {
  color: var(--text-mute);
  border-color: var(--grid-line-2);
}

.btn-rhine.ghost:hover {
  color: var(--gold);
  border-color: var(--gold-soft);
}

.btn-rhine.danger {
  color: var(--coral);
  border-color: var(--coral);
}

.btn-rhine.danger:hover {
  background: var(--coral);
  color: var(--text);
  box-shadow: var(--glow-red);
}

.btn-icon {
  font-size: 1rem;
  line-height: 1;
}

/* 切角装饰 */
.btn-rhine::before,
.btn-rhine::after {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  border: 1px solid currentColor;
  opacity: 0.5;
}
.btn-rhine::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.btn-rhine::after  { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

/* ============================================================
   主视觉 / Hero
   ============================================================ */
.hero {
  position: relative;
  z-index: 5;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 4rem 1.5rem 5rem;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 3rem;
  align-items: start;
}
.hero::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 240px;
  background: linear-gradient(to bottom, 
    transparent 0%, 
    rgba(164, 211, 55, 0.08) 40%,
    rgba(196, 217, 71, 0.25) 80%,
    rgba(164, 211, 55, 0.4) 100%);
  pointer-events: none;
  z-index: -1;
}

.hero-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gold);
  letter-spacing: 0.15em;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  opacity: 0.8;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  letter-spacing: 0.08em;
  color: #ffffff;
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.glitch {
  position: relative;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.glitch::before {
  color: var(--gold);
  animation: glitch-1 4s infinite;
  clip-path: polygon(0 0, 100% 0, 100% 33%, 0 33%);
}

.glitch::after {
  color: var(--coral);
  animation: glitch-2 4s infinite;
  clip-path: polygon(0 67%, 100% 67%, 100% 100%, 0 100%);
}

@keyframes glitch-1 {
  0%, 90%, 100% { transform: translate(0); opacity: 0; }
  92%           { transform: translate(-3px, -1px); opacity: 0.8; }
  94%           { transform: translate(2px, 1px); opacity: 0.8; }
  96%           { transform: translate(0); opacity: 0; }
}
@keyframes glitch-2 {
  0%, 90%, 100% { transform: translate(0); opacity: 0; }
  93%           { transform: translate(3px, 1px); opacity: 0.8; }
  95%           { transform: translate(-2px, -1px); opacity: 0.8; }
  97%           { transform: translate(0); opacity: 0; }
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-mute);
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.stat-card {
  background: linear-gradient(135deg, var(--bg-panel), var(--bg-card));
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.25rem 1rem;
  position: relative;
  transition: all 0.2s;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

.stat-card:hover {
  border-color: var(--gold-soft);
  background: linear-gradient(135deg, var(--bg-card), var(--bg-elev));
  box-shadow: 0 0 24px rgba(243, 198, 78, 0.1);
  transform: translateY(-2px);
}

.stat-icon {
  position: absolute;
  top: 0.5rem;
  right: 0.75rem;
  font-size: 1.25rem;
  color: var(--gold);
  opacity: 0.4;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 0.25rem;
  text-shadow: 0 0 12px rgba(243, 198, 78, 0.5);
  font-feature-settings: 'tnum';
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Hero 侧边 */
.hero-side {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.side-card {
  background: var(--bg-panel);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1rem;
  position: relative;
}

.side-card::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 12px;
  right: 12px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.5;
}

.side-head {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--gold);
  letter-spacing: 0.15em;
  margin-bottom: 0.75rem;
}

.side-body {
  font-size: 0.95rem;
  color: var(--text);
}

.progress-grid {
  display: grid;
  gap: 0.6rem;
}

.progress-row {
  display: grid;
  grid-template-columns: 80px 1fr 40px;
  gap: 0.5rem;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.progress-label {
  color: var(--text-mute);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.progress-bar {
  height: 4px;
  background: var(--grid-line);
  position: relative;
  overflow: hidden;
}

.progress-fill {
  position: absolute;
  inset: 0 auto 0 0;
  background: linear-gradient(90deg, var(--gold), var(--green));
  box-shadow: 0 0 4px var(--gold);
  transition: width 0.5s;
}

.progress-num {
  color: var(--gold);
  text-align: right;
}

.ticker-body {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-mute);
  max-height: 120px;
  overflow: hidden;
  position: relative;
}

.ticker-body::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 80%, var(--bg-panel));
  pointer-events: none;
}

.ticker-line {
  padding: 0.15rem 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ticker-line .t { color: var(--text-faint); margin-right: 0.5rem; }
.ticker-line .l-info { color: var(--green); }
.ticker-line .l-warn { color: var(--gold); }
.ticker-line .l-err  { color: var(--coral); }

/* ============================================================
   Section 通用
   ============================================================ */
.section {
  position: relative;
  z-index: 5;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--grid-line);
  padding-bottom: 1rem;
  position: relative;
}

.section-head::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 80px;
  height: 2px;
  background: var(--gold);
  box-shadow: 0 0 8px var(--gold);
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text);
}

.section-sub {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

.section-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* ============================================================
   研究领域
   ============================================================ */
.subjects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.subject-card {
  background: linear-gradient(135deg, var(--bg-panel), var(--bg-card));
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.25rem;
  position: relative;
  transition: all 0.2s;
  overflow: hidden;
}

.subject-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}

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

.subject-card:hover::before {
  transform: scaleX(1);
}

.subject-hex {
  width: 36px;
  height: 36px;
  margin-bottom: 1rem;
  color: var(--gold);
  opacity: 0.7;
}

.subject-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.subject-meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}

.subject-bar {
  height: 3px;
  background: var(--grid-line);
  overflow: hidden;
}

.subject-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--green));
  box-shadow: 0 0 4px var(--gold);
  transition: width 0.6s;
}

/* ============================================================
   日志控件
   ============================================================ */
.log-controls {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.search-wrap {
  position: relative;
  flex: 1;
  min-width: 220px;
}

.search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gold);
  font-family: var(--font-mono);
}

#log-search {
  width: 100%;
  background: var(--bg-panel);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text);
  padding: 0.65rem 1rem 0.65rem 2.5rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

#log-search:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 1px var(--gold), var(--glow-green);
}

.tag-filter {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  max-height: 80px;
  overflow-y: auto;
}

.tag-chip {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.3rem 0.7rem;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-mute);
  cursor: pointer;
  transition: all 0.15s;
}

.tag-chip:hover {
  border-color: var(--gold-soft);
  color: var(--gold);
}

.tag-chip.active {
  background: var(--gold);
  color: var(--bg-base);
  border-color: var(--gold);
  font-weight: 700;
}

.sort-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
}

#log-sort {
  background: var(--bg-panel);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text);
  padding: 0.55rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  cursor: pointer;
  outline: none;
}

#log-sort:focus { border-color: var(--gold); }

/* ============================================================
   日志时间线
   ============================================================ */
.log-timeline {
  position: relative;
  padding-left: 2rem;
}

.log-timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--gold-soft) 10%, var(--gold-soft) 90%, transparent);
}

.log-entry {
  position: relative;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--bg-panel), var(--bg-card));
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.25rem 1.5rem;
  transition: all 0.2s;
}

.log-entry::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 1.5rem;
  width: 17px;
  height: 17px;
  background: var(--bg-base);
  border: 2px solid var(--rhine-lime);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--gold);
  transform: translateX(-4px);
  transition: all 0.2s;
}

.log-entry:hover {
  border-color: var(--gold-soft);
  box-shadow: 0 0 0 1px var(--gold-soft), 0 8px 24px rgba(0, 0, 0, 0.3);
  transform: translateX(4px);
}

.log-entry:hover::before {
  background: var(--gold);
  box-shadow: 0 0 12px var(--gold);
}

.log-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.log-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: color 0.15s;
}

.log-title:hover { color: var(--gold); }

.log-meta {
  display: flex;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
}

.log-meta span { display: inline-flex; align-items: center; gap: 0.25rem; }

.log-tags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.log-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.15rem 0.5rem;
  background: rgba(243, 198, 78, 0.08);
  color: var(--gold);
  border: 1px solid rgba(243, 198, 78, 0.2);
  letter-spacing: 0.05em;
}

.log-tag.topic {
  background: rgba(182, 165, 255, 0.08);
  color: var(--purple);
  border-color: rgba(182, 165, 255, 0.2);
}

.log-body {
  font-size: 0.95rem;
  color: var(--text-mute);
  line-height: 1.7;
  max-height: 4.5em;
  overflow: hidden;
  position: relative;
}

.log-body::after {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 1.5em;
  background: linear-gradient(to bottom, transparent, var(--bg-card));
  pointer-events: none;
}

.log-body.expanded {
  max-height: none;
}

.log-body.expanded::after { display: none; }

.log-body h1, .log-body h2, .log-body h3 {
  font-family: var(--font-display);
  color: var(--text);
  margin: 0.6em 0 0.3em;
  letter-spacing: 0.03em;
}
.log-body h1 { font-size: 1.2rem; color: var(--gold); }
.log-body h2 { font-size: 1.05rem; }
.log-body h3 { font-size: 0.95rem; color: var(--gold-soft); }

.log-body p { margin: 0.4em 0; }
.log-body ul, .log-body ol { margin: 0.4em 0 0.4em 1.5em; }
.log-body li { margin: 0.15em 0; }
.log-body code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--bg-base);
  padding: 0.1em 0.4em;
  color: var(--green);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.log-body pre {
  font-family: var(--font-mono);
  background: var(--bg-base);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.75rem;
  overflow-x: auto;
  margin: 0.5em 0;
}
.log-body blockquote {
  border-left: 2px solid var(--gold);
  padding-left: 1rem;
  color: var(--text-dim);
  margin: 0.5em 0;
}

.log-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--grid-line);
}

.log-action-btn {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.3rem 0.7rem;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-mute);
  cursor: pointer;
  transition: all 0.15s;
}

.log-action-btn:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.log-action-btn.danger:hover {
  border-color: var(--coral);
  color: var(--coral);
}

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-dim);
}

.empty-icon {
  font-size: 4rem;
  color: var(--gold);
  opacity: 0.3;
  margin-bottom: 1rem;
}

.empty-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--text-mute);
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.empty-sub {
  font-size: 0.9rem;
}

/* ============================================================
   控制台
   ============================================================ */
.console-window {
  background: #02060c;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5), inset 0 0 0 1px rgba(243, 198, 78, 0.05);
  overflow: hidden;
}

.console-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--grid-line);
}

.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.dot-r { background: var(--coral); }
.dot-y { background: var(--gold); }
.dot-g { background: var(--green); }

.console-title {
  margin-left: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  flex: 1;
}

.console-clear {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.2rem 0.6rem;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-dim);
  cursor: pointer;
  letter-spacing: 0.1em;
}

.console-clear:hover {
  border-color: var(--coral);
  color: var(--coral);
}

.console-body {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 1rem;
  min-height: 280px;
  max-height: 480px;
  overflow-y: auto;
  color: var(--green);
  line-height: 1.7;
}

.console-body::-webkit-scrollbar { width: 6px; }
.console-body::-webkit-scrollbar-track { background: var(--bg-base); }
.console-body::-webkit-scrollbar-thumb { background: var(--grid-line-2); }

.line {
  white-space: pre-wrap;
  word-break: break-word;
}

.line.welcome { color: var(--text-dim); }
.line.info    { color: var(--green); }
.line.warn    { color: var(--gold); }
.line.error   { color: var(--coral); }
.line.command { color: var(--gold); }
.line.muted   { color: var(--text-dim); }
.line.cmd     { color: var(--gold); background: rgba(243, 198, 78, 0.08); padding: 0 0.4em; }

.console-input-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--grid-line);
  background: var(--bg-panel);
}

.prompt {
  color: var(--gold);
  font-size: 0.85rem;
  white-space: nowrap;
}

#console-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  caret-color: var(--gold);
}

/* ============================================================
   JSON 编辑
   ============================================================ */
.json-editor-wrap {
  background: #02060c;
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem;
}

#json-textarea {
  width: 100%;
  min-height: 480px;
  background: transparent;
  border: none;
  outline: none;
  color: var(--green);
  font-size: 0.85rem;
  resize: vertical;
  caret-color: var(--gold);
}

.json-status {
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.json-status.ok { color: var(--green); }
.json-status.err { color: var(--coral); }

/* ============================================================
   Modal
   ============================================================ */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal.open { display: flex; }

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 8, 16, 0.85);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  width: 100%;
  max-width: 1100px;
  max-height: 90vh;
  background: var(--bg-panel);
  border: 1px solid var(--gold-soft);
  box-shadow: 0 0 40px rgba(243, 198, 78, 0.2), 0 24px 48px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--grid-line);
  background: var(--bg-card);
}

.modal-header h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  color: var(--text);
}

.modal-close {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-mute);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  border-color: var(--coral);
  color: var(--coral);
}

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--grid-line);
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

/* 表单 */
.form-row {
  margin-bottom: 1rem;
}

.form-row.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.form-row label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--gold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.form-row input[type="text"],
.form-row input[type="number"],
.form-row input[type="date"] {
  width: 100%;
  background: var(--bg-base);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text);
  padding: 0.6rem 0.85rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

.form-row input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 1px var(--gold);
}

.md-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  min-height: 320px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--bg-base);
}

#f-body {
  background: transparent;
  border: none;
  border-right: 1px solid var(--grid-line);
  padding: 0.85rem;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  resize: vertical;
  outline: none;
  min-height: 320px;
}

.md-preview {
  padding: 0.85rem;
  overflow-y: auto;
  font-size: 0.9rem;
  line-height: 1.7;
}

.md-preview h1, .md-preview h2, .md-preview h3 {
  font-family: var(--font-display);
  margin: 0.6em 0 0.3em;
  letter-spacing: 0.03em;
}
.md-preview h1 { font-size: 1.25rem; color: var(--gold); }
.md-preview h2 { font-size: 1.05rem; }
.md-preview h3 { font-size: 0.95rem; color: var(--gold-soft); }
.md-preview p { margin: 0.4em 0; }
.md-preview ul, .md-preview ol { margin: 0.4em 0 0.4em 1.5em; }
.md-preview code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--bg-card);
  padding: 0.1em 0.4em;
  color: var(--green);
}
.md-preview pre {
  background: var(--bg-card);
  padding: 0.6rem;
  overflow-x: auto;
}
.md-preview blockquote {
  border-left: 2px solid var(--gold);
  padding-left: 0.75rem;
  color: var(--text-dim);
}

/* ============================================================
   拖放
   ============================================================ */
.drop-overlay {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(5, 8, 16, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  border: 3px dashed var(--gold);
}

.drop-overlay.active { display: flex; }

.drop-box {
  text-align: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--gold);
  letter-spacing: 0.1em;
  animation: dropPulse 1s infinite;
}

.drop-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
}

@keyframes dropPulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50%      { opacity: 1; transform: scale(1.05); }
}

/* ============================================================
   Toast
   ============================================================ */
.toast-stack {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 400;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.75rem 1.25rem;
  background: var(--bg-panel);
  border: 1px solid var(--gold-soft);
  color: var(--text);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4), var(--glow-green);
  pointer-events: auto;
  animation: toastIn 0.3s;
  min-width: 200px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.toast.ok    { border-color: var(--green); box-shadow: 0 8px 24px rgba(0,0,0,0.4), var(--glow-mint); }
.toast.warn  { border-color: var(--gold); }
.toast.error { border-color: var(--coral); box-shadow: 0 8px 24px rgba(0,0,0,0.4), var(--glow-red); }

.toast .icon { font-size: 1rem; }

@keyframes toastIn {
  from { transform: translateX(120%); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

/* ============================================================
   页脚
   ============================================================ */
.footer {
  margin-top: 4rem;
  padding: 2rem 1.5rem;
  border-top: 1px solid var(--grid-line);
  background: var(--bg-panel);
  position: relative;
  z-index: 5;
}

.footer::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 200px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.footer-row {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-mute);
  padding: 0.4rem 0;
}

.footer-row.sub {
  font-size: 0.7rem;
  color: var(--text-dim);
  border-top: 1px dashed var(--grid-line);
  padding-top: 0.75rem;
  margin-top: 0.75rem;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .hero-side {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 0.5rem;
  }
  .side-card {
    min-width: 260px;
    flex-shrink: 0;
  }
}

@media (max-width: 768px) {
  .top-bar-inner { flex-wrap: wrap; gap: 1rem; padding: 0.75rem 1rem; }
  .nav { order: 3; width: 100%; margin-left: 0; justify-content: center; flex-wrap: wrap; }
  .status-bar { border-left: 0; padding-left: 0; }
  .hero { padding: 2rem 1rem; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 2rem 1rem; }
  .form-row.grid-3 { grid-template-columns: 1fr; }
  .md-split { grid-template-columns: 1fr; }
  .modal { padding: 1rem; }
}

/* 滚动条 */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb {
  background: var(--grid-line-2);
  border: 2px solid var(--bg-base);
}
::-webkit-scrollbar-thumb:hover { background: var(--gold-soft); }

/* ============================================================
   莱茵生命标志元素 — Crosshair / Markers / Section Labels
   ============================================================ */

/* 十字准星标记 */
.crosshair {
  position: absolute;
  width: 14px;
  height: 14px;
  pointer-events: none;
  color: rgba(255, 255, 255, 0.4);
}
.crosshair::before, .crosshair::after {
  content: '';
  position: absolute;
  background: currentColor;
}
.crosshair::before {
  left: 50%; top: 0; bottom: 0;
  width: 1px;
  transform: translateX(-50%);
}
.crosshair::after {
  top: 50%; left: 0; right: 0;
  height: 1px;
  transform: translateY(-50%);
}
.crosshair.tl { top: -8px; left: -8px; }
.crosshair.tr { top: -8px; right: -8px; }
.crosshair.bl { bottom: -8px; left: -8px; }
.crosshair.br { bottom: -8px; right: -8px; }

/* 黑色矩形标签 (FROM RHODESKESIA 风格) */
.rhine-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #ffffff;
  background: #1a1f1a;
  border: 1px solid #1a1f1a;
  padding: 0.25rem 0.6rem;
  text-transform: uppercase;
  position: relative;
}
.rhine-label.gold {
  background: var(--rhine-gold);
  color: #1a1f1a;
  border-color: var(--rhine-gold);
}

/* 章节编号 */
.section-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--rhine-lime);
  letter-spacing: 0.2em;
  font-weight: 500;
}

/* 黄色莱茵生命条 — 用于卡片底部 */
.rhine-bar {
  height: 3px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    var(--rhine-lime) 15%, 
    var(--rhine-gold) 50%, 
    var(--rhine-lime) 85%, 
    transparent 100%);
  margin-top: 0.75rem;
}

/* 顶部信息条 */
.top-info-strip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.4rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-mute);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(255, 255, 255, 0.02);
  letter-spacing: 0.1em;
}
.top-info-strip .left { color: var(--text-mute); }
.top-info-strip .right { color: var(--text-mute); }
.top-info-strip .right strong { color: var(--rhine-gold); margin: 0 0.4em; }
.top-info-strip .right a { color: var(--text-mute); text-decoration: none; margin-left: 1.2rem; }
.top-info-strip .right a:hover { color: var(--rhine-gold); }
/* hero 区加上莱茵生命特征 */
.hero-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--rhine-lime);
  letter-spacing: 0.15em;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.hero-tag .rhine-label { margin-right: 0.5rem; }

.hero-title-wrap {
  position: relative;
  display: inline-block;
  margin-bottom: 1.5rem;
}

/* 修复主按钮被遮挡 */
.btn-rhine {
  overflow: visible;
}
.btn-rhine.primary {
  position: relative;
  z-index: 1;
}
.btn-rhine.primary::before, .btn-rhine.primary::after {
  z-index: -1;
}

/* ============================================================
   ENTRY ANIMATIONS — 开机过场 + 错峰淡入 + 滚动触发
   ============================================================ */

/* --- 基础动画 keyframes --- */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-32px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(32px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes crosshairLock {
  0%   { opacity: 0; transform: scale(2) rotate(45deg); }
  60%  { opacity: 1; transform: scale(0.9) rotate(0deg); }
  100% { opacity: 1; transform: scale(1) rotate(0deg); }
}

@keyframes glitchSettle {
  0%, 100% { transform: translate(0); }
  20%      { transform: translate(-3px, 1px); }
  40%      { transform: translate(2px, -1px); }
  60%      { transform: translate(-1px, 2px); }
  80%      { transform: translate(1px, -1px); }
}

@keyframes scanLine {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

@keyframes bootProgress {
  0%   { width: 0%; }
  20%  { width: 15%; }
  45%  { width: 42%; }
  68%  { width: 71%; }
  85%  { width: 89%; }
  100% { width: 100%; }
}

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* --- 触发类 (加上 .is-loaded 后才动) --- */
.fx-fade        { opacity: 0; }
.fx-fade-up     { opacity: 0; transform: translateY(24px); }
.fx-fade-down   { opacity: 0; transform: translateY(-16px); }
.fx-fade-left   { opacity: 0; transform: translateX(-32px); }
.fx-fade-right  { opacity: 0; transform: translateX(32px); }
.fx-scale       { opacity: 0; transform: scale(0.92); }

body.is-loaded .fx-fade        { animation: fadeIn 0.6s ease-out forwards; }
body.is-loaded .fx-fade-up     { animation: fadeInUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
body.is-loaded .fx-fade-down   { animation: fadeInDown 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
body.is-loaded .fx-fade-left   { animation: fadeInLeft 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
body.is-loaded .fx-fade-right  { animation: fadeInRight 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
body.is-loaded .fx-scale       { animation: scaleIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards; }

/* --- 错峰延迟 --- */
.delay-1  { animation-delay: 0.05s !important; }
.delay-2  { animation-delay: 0.15s !important; }
.delay-3  { animation-delay: 0.25s !important; }
.delay-4  { animation-delay: 0.4s  !important; }
.delay-5  { animation-delay: 0.55s !important; }
.delay-6  { animation-delay: 0.7s  !important; }
.delay-7  { animation-delay: 0.85s !important; }
.delay-8  { animation-delay: 1s    !important; }

/* --- 滚动触发 (Intersection Observer 添加 .fx-visible) --- */
.fx-reveal { opacity: 0; transform: translateY(32px); transition: opacity 0.7s, transform 0.7s; }
.fx-reveal.fx-visible { opacity: 1; transform: translateY(0); }

.fx-reveal-up { opacity: 0; transform: translateY(40px); transition: opacity 0.7s, transform 0.7s; }
.fx-reveal-up.fx-visible { opacity: 1; transform: translateY(0); }

/* --- 十字准星锁定动画 --- */
.fx-crosshair {
  opacity: 0;
  animation: crosshairLock 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}
.fx-crosshair.delay-1 { animation-delay: 0.8s; }
.fx-crosshair.delay-2 { animation-delay: 1s; }
.fx-crosshair.delay-3 { animation-delay: 1.2s; }

/* --- 标题故障入场 --- */
.fx-title-glitch {
  animation: fadeIn 0.4s ease-out forwards, glitchSettle 0.6s 0.4s ease-out 1;
}

/* ============================================================
   BOOT OVERLAY — 开机过场
   ============================================================ */
.boot-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #0a0f08;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  font-family: var(--font-mono);
  color: var(--rhine-lime);
  pointer-events: auto;
  transition: opacity 0.5s, visibility 0.5s;
}
.boot-overlay.fade-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.boot-logo {
  margin-bottom: 2rem;
  position: relative;
}
.boot-logo svg {
  filter: drop-shadow(0 0 8px var(--rhine-lime));
  animation: scaleIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.boot-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: 0.3em;
  color: #fff;
  margin-bottom: 0.5rem;
  opacity: 0;
  animation: fadeInUp 0.6s 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.boot-subtitle {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.2em;
  margin-bottom: 3rem;
  opacity: 0;
  animation: fadeInUp 0.6s 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.boot-progress-wrap {
  width: 280px;
  opacity: 0;
  animation: fadeIn 0.4s 0.7s forwards;
}
.boot-progress-track {
  height: 2px;
  background: rgba(196, 217, 71, 0.15);
  position: relative;
  overflow: hidden;
}
.boot-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--rhine-lime), var(--rhine-gold));
  width: 0%;
  box-shadow: 0 0 8px var(--rhine-lime);
  animation: bootProgress 1.6s 0.9s cubic-bezier(0.4, 0, 0.6, 1) forwards;
}
.boot-progress-text {
  display: flex;
  justify-content: space-between;
  margin-top: 0.5rem;
  font-size: 0.65rem;
  color: var(--text-dim);
  letter-spacing: 0.15em;
}
.boot-progress-pct {
  color: var(--rhine-lime);
}
.boot-status {
  margin-top: 1.5rem;
  font-size: 0.7rem;
  color: var(--text-mute);
  opacity: 0;
  animation: fadeIn 0.4s 0.8s forwards;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.boot-cursor {
  display: inline-block;
  width: 7px;
  height: 13px;
  background: var(--rhine-lime);
  animation: blink 1s infinite;
}
.boot-skip {
  position: absolute;
  bottom: 2rem;
  font-size: 0.65rem;
  color: var(--text-faint);
  letter-spacing: 0.2em;
  cursor: pointer;
  opacity: 0;
  animation: fadeIn 0.4s 1.5s forwards;
  background: transparent;
  border: 1px solid var(--text-faint);
  padding: 0.4rem 0.9rem;
}
.boot-skip:hover { color: var(--rhine-lime); border-color: var(--rhine-lime); }

/* 扫描线贯穿开机画面 */
.boot-overlay::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--rhine-lime), transparent);
  opacity: 0.6;
  animation: scanLine 2.4s linear infinite;
  pointer-events: none;
}