/* ============================================================
   灰镜 GRAY MIRROR — 官网设计系统
   暗黑档案风：near-black + 信号红 + 档案涂黑 + 等宽数据标签
   ============================================================ */

:root {
  --bg: #0A0B0D;
  --bg-2: #0D0F12;
  --surface: #111317;
  --surface-2: #15181D;
  --border: #23262C;
  --border-soft: #1B1E23;
  --text: #E8E9EB;
  --muted: #9BA1AB;
  --faint: #5F646D;
  --signal: #E85555;
  --signal-dim: rgba(232, 85, 85, 0.14);
  --signal-cyan: #00E5C9;
  --signal-cyan-dim: rgba(0, 229, 201, 0.12);
  --signal-amber: #F0C040;
  --cold: #7FA3C0;
  --font-display: "Noto Serif SC", "Songti SC", "STSong", serif;
  --font-body: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", ui-monospace, "Cascadia Mono", Menlo, monospace;
  --ease-reveal: cubic-bezier(0.22, 1, 0.36, 1);
  --maxw: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--signal); color: #0A0B0D; }

/* 自定义滚动条 */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #26292F; border: 2px solid var(--bg); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--signal); }

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

/* ============ 全局噪点 + 扫描线 ============ */
.noise-layer {
  position: fixed; inset: 0; z-index: 60; pointer-events: none;
  opacity: 0.05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
}
.scanline-layer {
  position: fixed; inset: 0; z-index: 61; pointer-events: none;
  background: repeating-linear-gradient(0deg, transparent 0 3px, rgba(0,0,0,0.12) 3px 4px);
  opacity: 0.5;
}

/* ============ 顶栏 ============ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  border-bottom: 1px solid var(--border-soft);
  background: rgba(10, 11, 13, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.header-inner {
  max-width: var(--maxw); margin: 0 auto;
  display: flex; align-items: center; gap: 28px;
  padding: 0 24px; height: 64px;
}
.brand { display: flex; align-items: baseline; gap: 10px; flex-shrink: 0; }
.brand-cn {
  font-family: var(--font-display); font-weight: 900;
  font-size: 22px; letter-spacing: 0.14em;
}
.brand-en {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.32em; color: var(--faint);
}
.site-nav { display: flex; gap: 4px; margin-left: auto; }
.site-nav a {
  position: relative;
  font-size: 13px; color: var(--muted);
  padding: 8px 14px; letter-spacing: 0.06em;
  transition: color 0.25s;
}
.site-nav a:hover { color: var(--text); }
.site-nav a.active { color: var(--text); }
.site-nav a.active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px;
  height: 1px; background: var(--signal);
  box-shadow: 0 0 8px color-mix(in srgb, var(--signal) 80%, transparent);
}
.nav-classified {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em;
  color: var(--signal); border: 1px solid color-mix(in srgb, var(--signal) 40%, transparent);
  padding: 4px 10px; flex-shrink: 0;
}
.nav-login {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em;
  color: var(--signal-cyan); border: 1px solid color-mix(in srgb, var(--signal-cyan) 40%, transparent);
  padding: 4px 10px; flex-shrink: 0; text-decoration: none;
  transition: background .3s, color .3s;
}
.nav-login:hover {
  background: var(--signal-cyan-dim); color: var(--signal-cyan);
}
.nav-toggle { display: none; }

/* ============ 布局骨架 ============ */
main { padding-top: 64px; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.section { padding: 96px 0; border-top: 1px solid var(--border-soft); }
.section-marker {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.3em;
  color: var(--signal); margin-bottom: 18px;
  display: flex; align-items: center; gap: 14px;
}
.section-marker::after { content: ""; height: 1px; width: 72px; background: var(--border); }
.section-title {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(28px, 4.4vw, 44px);
  letter-spacing: 0.04em; line-height: 1.3;
  max-width: 20ch;
}
.section-sub { color: var(--muted); max-width: 62ch; margin-top: 16px; font-size: 14.5px; }

/* ============ HERO ============ */
.hero {
  position: relative; min-height: 92vh;
  display: flex; align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--border-soft);
}
.hero-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.028) 1px, transparent 1px);
  background-size: 64px 64px;
  animation: grid-pan 38s linear infinite;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, #000 30%, transparent 78%);
}
@keyframes grid-pan { to { background-position: 64px 64px; } }
.hero-vignette {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 70% 60% at 50% 45%, transparent 40%, var(--bg) 100%);
}
.hero-inner {
  position: relative; z-index: 2;
  max-width: var(--maxw); margin: 0 auto; padding: 120px 24px 96px;
  width: 100%;
  display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 64px; align-items: center;
}
.hero-file-no {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.24em;
  color: var(--faint); margin-bottom: 26px;
  display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center;
}
.hero-file-no .dot { width: 6px; height: 6px; background: var(--signal); border-radius: 50%;
  box-shadow: 0 0 10px color-mix(in srgb, var(--signal) 90%, transparent); animation: blink-dot 2.4s infinite; }
@keyframes blink-dot { 0%,100% { opacity: 1; } 50% { opacity: 0.25; } }
.hero-title {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(64px, 11vw, 132px);
  line-height: 1.02; letter-spacing: 0.06em;
  position: relative;
}
.hero-title .red-slice { color: var(--signal); }
.hero-en {
  font-family: var(--font-mono); font-size: clamp(11px, 1.4vw, 14px);
  letter-spacing: 0.58em; color: var(--muted); margin-top: 20px;
}
.hero-tagline {
  margin-top: 30px; max-width: 52ch;
  color: var(--muted); font-size: 15.5px;
}
.hero-tagline strong { color: var(--text); font-weight: 600; }
.hero-ctas { display: flex; gap: 14px; margin-top: 42px; flex-wrap: wrap; }

/* ============ HERO 角色 · 梦渊中转站播报员 ============ */
.hero-chars { position: absolute; inset: 0; pointer-events: none; z-index: 1; }
.char-booth { position: absolute; bottom: -6%; width: clamp(140px, 17vw, 250px); opacity: 0.92; }
.char-booth img { width: 100%; height: auto; display: block; filter: saturate(0.92) contrast(1.02); }
/* 底部渐隐融入背景 */
.char-booth::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(to top, var(--bg) 4%, transparent 32%);
}
/* HUD 身份标签 */
.char-booth .char-tag {
  position: absolute; top: 8px; left: 0;
  font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.26em;
  padding: 4px 10px; background: rgba(5,6,7,0.72); border: 1px solid var(--border);
  color: var(--faint); white-space: nowrap;
  backdrop-filter: blur(4px);
}
.char-booth .char-tag b { color: var(--text); font-weight: 600; }
.char-booth .char-sub {
  position: absolute; bottom: 6%; left: 0;
  font-family: var(--font-mono); font-size: 8px; letter-spacing: 0.32em;
  color: var(--faint); opacity: 0.75;
}
.char-left  { left: 2.5%;  animation: char-float 7s ease-in-out infinite; }
.char-right { right: 2.5%; animation: char-float 8s ease-in-out infinite reverse; }
@keyframes char-float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
@media (max-width: 1180px) {
  .char-left  { left: 0.5%; width: clamp(120px, 15vw, 200px); }
  .char-right { right: 0.5%; width: clamp(120px, 15vw, 200px); }
}
@media (max-width: 900px) {
  .hero-chars { opacity: 0.5; }
  .char-booth .char-tag, .char-booth .char-sub { display: none; }
  .char-left  { left: -4%; }
  .char-right { right: -4%; }
}
@media (max-width: 640px) {
  .hero-chars { opacity: 0.32; }
  .char-left  { left: -12%; }
  .char-right { right: -12%; }
}

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13.5px; letter-spacing: 0.1em;
  padding: 13px 26px; border: 1px solid var(--border);
  color: var(--text); background: transparent;
  transition: border-color 0.3s, background 0.3s, box-shadow 0.3s;
  cursor: pointer;
}
.btn .arrow { transition: transform 0.3s var(--ease-reveal); }
.btn:hover .arrow { transform: translateX(4px); }
.btn-primary {
  background: var(--signal); border-color: var(--signal); color: #0A0B0D;
  font-weight: 700;
  animation: cta-breathe 3.4s ease-in-out infinite;
}
.btn-primary:hover { box-shadow: 0 0 28px color-mix(in srgb, var(--signal) 45%, transparent); }
@keyframes cta-breathe {
  0%, 100% { box-shadow: 0 0 0 0 rgba(232,85,85,0); }
  50% { box-shadow: 0 0 0 7px color-mix(in srgb, var(--signal) 13%, transparent); }
}
.btn-ghost:hover { border-color: var(--faint); background: var(--surface); }

/* 倒计时圆盘 */
.countdown-block { display: flex; flex-direction: column; align-items: center; gap: 22px; }
.dial-wrap { position: relative; width: 260px; height: 260px; }
.dial-wrap svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.dial-track { fill: none; stroke: var(--border); stroke-width: 2; }
.dial-progress {
  fill: none; stroke: var(--signal); stroke-width: 2;
  filter: drop-shadow(0 0 10px color-mix(in srgb, var(--signal) 55%, transparent));
  transition: stroke-dashoffset 1.2s var(--ease-reveal);
  animation: dial-pulse 3s ease-in-out infinite;
}
@keyframes dial-pulse {
  0%, 100% { filter: drop-shadow(0 0 8px color-mix(in srgb, var(--signal) 35%, transparent)); }
  50% { filter: drop-shadow(0 0 16px color-mix(in srgb, var(--signal) 60%, transparent)); }
}
.dial-ticks { position: absolute; inset: 0; }
.dial-ticks span {
  position: absolute; left: 50%; top: 50%;
  width: 1px; height: 8px; background: var(--border);
  transform-origin: 0 0;
}
.dial-center {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
}
.dial-label {
  font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.34em;
  color: var(--faint); text-align: center; line-height: 1.9;
}
.dial-days {
  font-family: var(--font-mono); font-weight: 700;
  font-size: 58px; line-height: 1; color: var(--signal);
  text-shadow: 0 0 24px color-mix(in srgb, var(--signal) 40%, transparent);
  font-variant-numeric: tabular-nums;
}
.dial-unit { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.5em; color: var(--muted); }
.dial-hms {
  font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.14em;
  color: var(--muted); font-variant-numeric: tabular-nums; margin-top: 6px;
}
.dial-target {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.2em;
  color: var(--faint); text-align: center; line-height: 2;
  border-top: 1px solid var(--border-soft); padding-top: 14px; width: 100%; max-width: 260px;
}

/* ============ 涂黑块 ============ */
.redact {
  background: #000; color: transparent;
  padding: 0 0.5em; user-select: none;
  border: 1px solid #1c1c1c;
  position: relative; white-space: nowrap;
  cursor: not-allowed;
}
.redact::after {
  content: ""; position: absolute; inset: 0;
  background: repeating-linear-gradient(45deg, transparent 0 6px, rgba(255,255,255,0.03) 6px 12px);
}

/* ============ 数据统计带 ============ */
.stat-band {
  display: grid; grid-template-columns: repeat(6, 1fr);
  border: 1px solid var(--border-soft); border-right: none;
}
.stat-cell {
  border-right: 1px solid var(--border-soft);
  padding: 30px 22px 26px;
  transition: background 0.35s;
}
.stat-cell:hover { background: var(--surface); }
.stat-num {
  font-family: var(--font-mono); font-weight: 700;
  font-size: 34px; color: var(--text); line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.stat-num em { font-style: normal; font-size: 15px; color: var(--faint); margin-left: 4px; }
.stat-name { font-size: 12.5px; color: var(--muted); margin-top: 8px; letter-spacing: 0.08em; }
.stat-name .en { display: block; font-family: var(--font-mono); font-size: 9px; color: var(--faint); letter-spacing: 0.22em; margin-top: 3px; }

/* ============ 功能格网 ============ */
.feature-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border-soft); border-left: 1px solid var(--border-soft);
  margin-top: 56px;
}
.feature-cell {
  border-right: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft);
  padding: 34px 28px 30px;
  position: relative; overflow: hidden;
  transition: background 0.35s;
}
.feature-cell::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--signal), transparent);
  opacity: 0; transition: opacity 0.4s;
}
.feature-cell:hover { background: var(--surface); }
.feature-cell:hover::before { opacity: 1; }
.feature-idx {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.28em;
  color: var(--faint); margin-bottom: 20px;
}
.feature-name {
  font-family: var(--font-display); font-weight: 900;
  font-size: 19px; letter-spacing: 0.06em;
}
.feature-en {
  font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.24em;
  color: var(--faint); margin-top: 5px;
}
.feature-desc { color: var(--muted); font-size: 13.5px; margin-top: 14px; line-height: 1.8; }

/* ============ 判定演示（骰子交互） ============ */
.dice-demo {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  border: 1px solid var(--border-soft); margin-top: 56px;
}
.dice-panel { padding: 40px 36px; }
.dice-panel + .dice-panel { border-left: 1px solid var(--border-soft); }
.dice-panel h3 {
  font-family: var(--font-display); font-weight: 900; font-size: 21px;
  letter-spacing: 0.06em; margin-bottom: 6px;
}
.dice-panel .mono-note { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.22em; color: var(--faint); }
.dice-row { display: flex; gap: 10px; margin: 28px 0 18px; flex-wrap: wrap; }
.die {
  width: 52px; height: 52px;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 22px; font-weight: 700;
  background: var(--surface);
  transition: transform 0.5s var(--ease-reveal), border-color 0.3s, color 0.3s;
}
.die.s1 { color: var(--muted); }
.die.s2 { color: var(--text); border-color: var(--faint); }
.die.s3 { color: var(--signal); border-color: color-mix(in srgb, var(--signal) 55%, transparent); text-shadow: 0 0 12px color-mix(in srgb, var(--signal) 50%, transparent); }
.die.rolling { transform: rotate(180deg) scale(0.82); }
.dice-result { font-family: var(--font-mono); font-size: 13px; color: var(--muted); line-height: 2.1; min-height: 66px; }
.dice-result b { color: var(--text); }
.dice-result .verdict { color: var(--signal); font-weight: 700; }
.roll-btn {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.24em;
  border: 1px solid var(--border); background: transparent; color: var(--text);
  padding: 11px 22px; cursor: pointer; transition: all 0.3s;
}
.roll-btn:hover { border-color: var(--signal); color: var(--signal); box-shadow: 0 0 18px color-mix(in srgb, var(--signal) 18%, transparent); }

/* 表格（规则页） */
.rule-table { width: 100%; border-collapse: collapse; margin-top: 24px; font-size: 13.5px; }
.rule-table th {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.2em;
  color: var(--faint); text-align: left; font-weight: 400;
  padding: 10px 14px; border-bottom: 1px solid var(--border);
}
.rule-table td {
  padding: 11px 14px; border-bottom: 1px solid var(--border-soft);
  color: var(--muted); vertical-align: top;
}
.rule-table td:first-child { color: var(--text); }
.rule-table tr:hover td { background: var(--surface); }
.rule-table .hl { color: var(--signal); font-family: var(--font-mono); }

/* ============ 引用档案条 ============ */
.dossier-quote {
  border-left: 2px solid var(--signal);
  background: var(--surface);
  padding: 26px 30px; margin-top: 40px;
  font-size: 14px; color: var(--muted); line-height: 2;
  position: relative;
}
.dossier-quote .who {
  display: block; margin-top: 12px;
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.2em; color: var(--faint);
}
.dossier-quote::before {
  content: "档案附注"; position: absolute; top: -9px; left: 18px;
  font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.3em;
  color: var(--signal); background: var(--bg); padding: 0 10px;
}

/* ============ 模组卡 ============ */
.module-list { margin-top: 56px; border-top: 1px solid var(--border-soft); }
.module-row {
  display: grid; grid-template-columns: 90px 1.1fr 1.6fr 220px;
  gap: 32px; align-items: center;
  padding: 38px 8px;
  border-bottom: 1px solid var(--border-soft);
  transition: background 0.35s, padding 0.35s var(--ease-reveal);
  position: relative;
}
.module-row:hover { background: var(--surface); padding-left: 20px; }
.module-idx {
  font-family: var(--font-mono); font-size: 12px; color: var(--faint); letter-spacing: 0.2em;
}
.module-name {
  font-family: var(--font-display); font-weight: 900;
  font-size: 27px; letter-spacing: 0.08em;
}
.module-name .ver {
  font-family: var(--font-mono); font-size: 10px; color: var(--faint);
  letter-spacing: 0.14em; display: block; margin-top: 4px; font-weight: 400;
}
.module-desc { color: var(--muted); font-size: 13.5px; line-height: 1.9; }
.module-desc .hook { color: var(--text); }
.module-meta {
  font-family: var(--font-mono); font-size: 10.5px; color: var(--faint);
  letter-spacing: 0.1em; line-height: 2.2; text-align: right;
}
.module-meta .stars { color: var(--signal); font-size: 12px; letter-spacing: 0.12em; }

/* ============ 时间线 ============ */
.timeline { margin-top: 56px; position: relative; padding-left: 28px; }
.timeline::before { content: ""; position: absolute; left: 5px; top: 6px; bottom: 6px; width: 1px; background: var(--border); }
.tl-item { position: relative; padding: 0 0 40px 28px; }
.tl-item::before {
  content: ""; position: absolute; left: -27px; top: 8px;
  width: 9px; height: 9px; background: var(--bg);
  border: 1px solid var(--signal); transform: rotate(45deg);
}
.tl-year { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.22em; color: var(--signal); }
.tl-title { font-family: var(--font-display); font-weight: 900; font-size: 18px; margin-top: 6px; letter-spacing: 0.05em; }
.tl-desc { color: var(--muted); font-size: 13.5px; margin-top: 8px; max-width: 64ch; }

/* ============ FAQ ============ */
.faq-list { margin-top: 48px; border-top: 1px solid var(--border-soft); }
.faq-item { border-bottom: 1px solid var(--border-soft); }
.faq-q {
  width: 100%; background: none; border: none; color: var(--text);
  display: flex; align-items: center; gap: 18px;
  padding: 24px 8px; cursor: pointer; text-align: left;
  font-size: 15.5px; font-family: var(--font-body); font-weight: 600;
  transition: padding 0.3s var(--ease-reveal);
}
.faq-q:hover { padding-left: 18px; }
.faq-q .q-idx { font-family: var(--font-mono); font-size: 10px; color: var(--faint); letter-spacing: 0.2em; flex-shrink: 0; }
.faq-q .q-mark { margin-left: auto; font-family: var(--font-mono); color: var(--signal); font-size: 16px; transition: transform 0.35s var(--ease-reveal); }
.faq-item.open .q-mark { transform: rotate(45deg); }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height 0.5s var(--ease-reveal);
}
.faq-a-inner { padding: 0 8px 28px 64px; color: var(--muted); font-size: 14px; line-height: 1.95; max-width: 76ch; }

/* ============ 双栏信息块 ============ */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; margin-top: 56px; }
.info-block h3 {
  font-family: var(--font-display); font-weight: 900; font-size: 20px;
  letter-spacing: 0.06em; margin-bottom: 16px;
  display: flex; align-items: center; gap: 12px;
}
.info-block h3::before { content: ""; width: 20px; height: 1px; background: var(--signal); }
.info-block p { color: var(--muted); font-size: 14px; margin-bottom: 12px; }
.info-list { list-style: none; margin-top: 8px; }
.info-list li {
  padding: 12px 0; border-bottom: 1px solid var(--border-soft);
  color: var(--muted); font-size: 13.5px;
  display: flex; gap: 14px; align-items: baseline;
}
.info-list li .k { font-family: var(--font-mono); font-size: 10px; color: var(--faint); letter-spacing: 0.18em; flex-shrink: 0; width: 88px; }

/* ============ 页头（子页） ============ */
.page-hero { padding: 120px 0 72px; border-bottom: 1px solid var(--border-soft); position: relative; overflow: hidden; }
.page-hero .hero-grid { mask-image: none; -webkit-mask-image: none; opacity: 0.5; }
.page-hero-inner { position: relative; z-index: 2; }
.page-title {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(40px, 6.5vw, 68px); letter-spacing: 0.06em; line-height: 1.15;
  margin-top: 18px;
}
.page-title .red-slice { color: var(--signal); }
.page-hero .lead { color: var(--muted); max-width: 66ch; margin-top: 22px; font-size: 15px; }

/* ============ CTA 尾段 ============ */
.cta-final { text-align: center; padding: 110px 0; position: relative; overflow: hidden; }
.cta-final .big {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(30px, 5vw, 52px); letter-spacing: 0.06em; line-height: 1.35;
}
.cta-final .sub { color: var(--muted); margin: 20px auto 40px; max-width: 56ch; font-size: 14.5px; }

/* ============ 页脚 ============ */
.site-footer { border-top: 1px solid var(--border); background: var(--bg-2); }
.footer-grid {
  max-width: var(--maxw); margin: 0 auto; padding: 64px 24px 40px;
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px;
}
.footer-brand .brand-cn { font-size: 26px; }
.footer-brand p { color: var(--faint); font-size: 12.5px; margin-top: 16px; max-width: 32ch; line-height: 1.9; }
.footer-col h4 {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.28em;
  color: var(--faint); font-weight: 400; margin-bottom: 18px;
}
.footer-col a { display: block; color: var(--muted); font-size: 13px; padding: 5px 0; transition: color 0.25s, padding-left 0.25s; }
.footer-col a:hover { color: var(--signal); padding-left: 6px; }
.footer-bottom {
  border-top: 1px solid var(--border-soft);
  padding: 22px 24px; max-width: var(--maxw); margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em; color: var(--faint);
}
.share-link {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em;
  color: var(--faint); background: none; border: none; cursor: pointer;
  padding: 4px 0; transition: color .25s;
}
.share-link:hover { color: var(--signal-cyan); }

/* ============ 滚动揭示 ============ */
.rv { opacity: 0; transform: translateY(26px); transition: opacity 0.9s var(--ease-reveal), transform 0.9s var(--ease-reveal); }
.rv.in { opacity: 1; transform: none; }
.rv-d1 { transition-delay: 0.08s; } .rv-d2 { transition-delay: 0.16s; } .rv-d3 { transition-delay: 0.24s; }
.rv-d4 { transition-delay: 0.32s; } .rv-d5 { transition-delay: 0.4s; } .rv-d6 { transition-delay: 0.48s; }

/* ============ 密级标签 ============ */
.class-tag {
  display: inline-block; font-family: var(--font-mono); font-size: 9.5px;
  letter-spacing: 0.26em; padding: 3px 10px;
  border: 1px solid var(--border); color: var(--faint);
}
.class-tag.green { color: #6FA287; border-color: rgba(111,162,135,0.4); }
.class-tag.red { color: var(--signal); border-color: color-mix(in srgb, var(--signal) 40%, transparent); }

/* ============ 故障与 HUD 效果 ============ */
.scanline-layer {
  position: fixed; inset: 0; z-index: 61; pointer-events: none;
  background: repeating-linear-gradient(0deg, transparent 0 2px, rgba(0,0,0,0.18) 2px 4px);
  opacity: 0.55;
  animation: scanline-flicker 6s infinite;
}
@keyframes scanline-flicker {
  0%, 90%, 100% { opacity: 0.55; }
  92% { opacity: 0.35; }
  94% { opacity: 0.7; }
  96% { opacity: 0.45; }
}

/* Glitch 文字 */
.glitch {
  position: relative;
}
.glitch::before, .glitch::after {
  content: attr(data-text);
  position: absolute; left: 0; top: 0; width: 100%; height: 100%;
  background: var(--bg);
}
.glitch::before {
  left: 2px; text-shadow: -1px 0 var(--signal-cyan);
  clip-path: inset(0 0 85% 0);
  animation: glitch-1 2.5s infinite linear alternate-reverse;
}
.glitch::after {
  left: -2px; text-shadow: -1px 0 var(--signal);
  clip-path: inset(15% 0 0 0);
  animation: glitch-2 3s infinite linear alternate-reverse;
}
@keyframes glitch-1 {
  0% { clip-path: inset(10% 0 80% 0); }
  20% { clip-path: inset(60% 0 10% 0); }
  40% { clip-path: inset(30% 0 50% 0); }
  60% { clip-path: inset(80% 0 5% 0); }
  80% { clip-path: inset(40% 0 30% 0); }
  100% { clip-path: inset(15% 0 60% 0); }
}
@keyframes glitch-2 {
  0% { clip-path: inset(65% 0 15% 0); }
  20% { clip-path: inset(20% 0 60% 0); }
  40% { clip-path: inset(75% 0 10% 0); }
  60% { clip-path: inset(35% 0 45% 0); }
  80% { clip-path: inset(5% 0 85% 0); }
  100% { clip-path: inset(55% 0 25% 0); }
}

/* HUD 角标 */
.hud-corners {
  position: relative;
}
.hud-corners::before, .hud-corners::after {
  content: ""; position: absolute; width: 18px; height: 18px;
  border-color: var(--signal-cyan); border-style: solid;
  opacity: 0.7; pointer-events: none; transition: all 0.4s;
}
.hud-corners::before { top: -1px; left: -1px; border-width: 1px 0 0 1px; }
.hud-corners::after { bottom: -1px; right: -1px; border-width: 0 1px 1px 0; }
.hud-corners:hover::before, .hud-corners:hover::after {
  width: 28px; height: 28px; opacity: 1;
  box-shadow: 0 0 12px color-mix(in srgb, var(--signal-cyan) 30%, transparent);
}

/* 数据乱码闪烁 */
.scramble-text {
  font-family: var(--font-mono);
  color: var(--signal-cyan);
  text-shadow: 0 0 8px color-mix(in srgb, var(--signal-cyan) 35%, transparent);
}

/* 接入线 */
.connect-line {
  position: fixed; left: 0; top: 50%; width: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--signal-cyan), transparent);
  box-shadow: 0 0 12px color-mix(in srgb, var(--signal-cyan) 50%, transparent);
  z-index: 70; pointer-events: none;
  animation: connect-scan 2s ease-in-out forwards;
}
@keyframes connect-scan {
  0% { width: 0; left: 0; opacity: 0; }
  30% { opacity: 1; }
  100% { width: 100%; left: 0; opacity: 0; }
}

/* 故障方块（像素碎片） */
.glitch-frag {
  position: absolute; width: 8px; height: 8px; background: var(--signal-cyan);
  opacity: 0; pointer-events: none;
  animation: frag-pop 0.3s ease-out forwards;
}
@keyframes frag-pop {
  0% { transform: scale(0) rotate(0deg); opacity: 0.8; }
  100% { transform: scale(1.5) rotate(45deg); opacity: 0; }
}

/* 闪烁光标 */
.blink-cursor::after {
  content: "_"; animation: blink-cursor 0.8s step-end infinite;
  color: var(--signal-cyan); margin-left: 2px;
}
@keyframes blink-cursor { 50% { opacity: 0; } }

/* ============ 体验扩展：群入口 / 徽标 / 筛选 / 翻卡 / 门店 / 实录 / 转场 ============ */

/* 浮动玩家群入口 */
.float-join {
  position: fixed; left: 18px; bottom: 18px; z-index: 70;
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em;
  color: var(--signal-cyan); background: rgba(10,11,13,0.92);
  border: 1px solid color-mix(in srgb, var(--signal-cyan) 35%, transparent); padding: 10px 16px;
  cursor: pointer; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  transition: border-color .3s, box-shadow .3s;
}
.float-join:hover { border-color: var(--signal-cyan); box-shadow: 0 0 18px color-mix(in srgb, var(--signal-cyan) 25%, transparent); }
.float-join .dot2 { width: 6px; height: 6px; background: var(--signal-cyan); border-radius: 50%; animation: blink-cursor 1.2s step-end infinite; flex-shrink: 0; }
.copy-toast {
  position: fixed; left: 50%; bottom: 84px; transform: translateX(-50%) translateY(8px);
  z-index: 80; font-family: var(--font-mono); font-size: 12px; letter-spacing: .2em;
  color: var(--signal-cyan); background: rgba(10,11,13,.96); border: 1px solid color-mix(in srgb, var(--signal-cyan) 40%, transparent);
  padding: 10px 22px; opacity: 0; pointer-events: none; transition: opacity .3s, transform .3s;
}
.copy-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* 官方授权徽标 */
.badge-auth {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em;
  color: var(--signal-amber); border: 1px solid rgba(240,192,64,0.45);
  background: rgba(240,192,64,0.06); padding: 7px 14px; margin-bottom: 22px;
}
.badge-auth::before { content: ""; width: 6px; height: 6px; background: var(--signal-amber); }

/* 模组筛选条 */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin: 28px 0 34px; }
.filter-btn {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em;
  color: var(--muted); background: transparent; border: 1px solid var(--border);
  padding: 8px 18px; cursor: pointer; transition: all .25s;
}
.filter-btn:hover { color: var(--text); border-color: var(--faint); }
.filter-btn.on { color: var(--signal-cyan); border-color: color-mix(in srgb, var(--signal-cyan) 50%, transparent); background: var(--signal-cyan-dim); }
.module-row.hidden { display: none; }

/* 职业翻卡 */
.flip-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 36px; }
.flip-card { perspective: 1000px; height: 190px; cursor: pointer; }
.flip-inner { position: relative; width: 100%; height: 100%; transition: transform .7s var(--ease-reveal); transform-style: preserve-3d; }
.flip-card.flip .flip-inner, .flip-card:hover .flip-inner { transform: rotateY(180deg); }
.flip-face {
  position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden;
  border: 1px solid var(--border); background: var(--surface); padding: 22px;
  display: flex; flex-direction: column; justify-content: space-between;
}
.flip-back { transform: rotateY(180deg); border-color: color-mix(in srgb, var(--signal-cyan) 35%, transparent); background: var(--surface-2); }
.flip-code { font-family: var(--font-mono); font-size: 10px; letter-spacing: .22em; color: var(--faint); }
.flip-name { font-family: var(--font-display); font-weight: 900; font-size: 26px; letter-spacing: .1em; }
.flip-lib { font-family: var(--font-mono); font-size: 10px; letter-spacing: .18em; color: var(--muted); }
.flip-back p { font-size: 13px; color: var(--muted); line-height: 1.8; margin: 0; }
.flip-hint { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .2em; color: var(--faint); }

/* 门店卡片 */
.store-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 34px; }
.store-card { border: 1px solid var(--border); background: var(--surface); padding: 26px; position: relative; }
.store-card::before { content: ""; position: absolute; top: 0; left: 0; width: 16px; height: 16px; border-top: 1px solid var(--signal-cyan); border-left: 1px solid var(--signal-cyan); opacity: .7; }
.store-no { font-family: var(--font-mono); font-size: 10px; letter-spacing: .24em; color: var(--signal-cyan); margin-bottom: 12px; }
.store-name { font-family: var(--font-display); font-weight: 900; font-size: 20px; margin-bottom: 14px; }
.store-meta { font-size: 13px; color: var(--muted); line-height: 2; }
.store-meta .k { display: inline-block; min-width: 64px; color: var(--faint); font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .12em; }

/* 桌上实录 */
.scene-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 34px; }
.scene-card { border: 1px solid var(--border); border-left: 2px solid var(--signal-cyan); background: var(--surface); padding: 24px 24px 20px; }
.scene-tag { font-family: var(--font-mono); font-size: 10px; letter-spacing: .22em; color: var(--signal-cyan); margin-bottom: 12px; }
.scene-text { font-size: 13.5px; color: var(--muted); line-height: 1.9; }
.scene-src { font-family: var(--font-mono); font-size: 10px; color: var(--faint); margin-top: 14px; letter-spacing: .14em; }

/* 页面故障转场 */
.pt-overlay {
  position: fixed; inset: 0; z-index: 9998; pointer-events: none;
  background: #050607; opacity: 0; transition: opacity .16s;
}
.pt-overlay.go { opacity: 1; }
.pt-glitch {
  position: absolute; top: 0; bottom: 0; width: 38%;
  background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--signal-cyan) 18%, transparent), transparent);
  animation: pt-sweep .4s linear forwards;
}
@keyframes pt-sweep { from { left: -40%; } to { left: 110%; } }

/* ============ 模组封面墙 ============ */
.cover-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(148px, 1fr)); gap: 16px 14px; margin-top: 40px; }
.cover-card { border: 1px solid var(--border); background: var(--surface); overflow: hidden; position: relative; transition: border-color .3s, transform .3s var(--ease-reveal); }
.cover-card:hover { border-color: color-mix(in srgb, var(--signal-cyan) 45%, transparent); transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,0.45); }
.cover-img-wrap { aspect-ratio: 2/3; overflow: hidden; position: relative; background: var(--bg-2); }
.cover-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease-reveal); }
.cover-card:hover img { transform: scale(1.05); }
.cover-info { padding: 9px 10px 10px; text-align: center; }
.cover-title { font-family: var(--font-display); font-weight: 700; font-size: 13.5px; letter-spacing: 0.05em; display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cover-author { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; color: var(--faint); display: block; margin-top: 6px; }
.cover-tag { display: none; }
.cover-placeholder { display: none; }

/* ============ 封面放大 ============ */
.cover-img-wrap { cursor: zoom-in; }
.lb-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(5,6,7,0.92); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .25s;
}
.lb-overlay.on { opacity: 1; pointer-events: auto; }
.lb-overlay img {
  max-width: 92vw; max-height: 88vh; object-fit: contain;
  box-shadow: 0 24px 80px rgba(0,0,0,0.7);
  border: 1px solid var(--border);
  transform: scale(0.96); transition: transform .35s var(--ease-reveal);
}
.lb-overlay.on img { transform: scale(1); }
.lb-close {
  position: absolute; top: 20px; right: 24px;
  font-family: var(--font-mono); font-size: 28px; color: var(--muted);
  background: none; border: none; cursor: pointer; line-height: 1;
  padding: 4px; transition: color .2s;
}
.lb-close:hover { color: var(--signal); }
.lb-hint {
  position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%);
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.2em;
  color: var(--faint); opacity: 0; transition: opacity .25s;
}
.lb-overlay.on .lb-hint { opacity: 1; }
.cover-hint {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: rgba(10,11,13,0.55); opacity: 0; transition: opacity .25s;
  pointer-events: none;
}
.cover-card:hover .cover-hint { opacity: 1; }
.cover-hint span {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.2em;
  color: var(--signal-cyan); border: 1px solid color-mix(in srgb, var(--signal-cyan) 40%, transparent); padding: 5px 10px;
}

/* ============ 响应式 ============ */
@media (max-width: 720px) {
  .cover-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 10px; }
  .cover-title { font-size: 12px; }
  .cover-info { padding: 7px 6px 8px; }
}
@media (max-width: 1020px) {
  .hero-inner { grid-template-columns: 1fr; gap: 56px; }
  .countdown-block { flex-direction: row; align-items: center; }
  .stat-band { grid-template-columns: repeat(3, 1fr); }
  .feature-grid, .feature-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .module-row { grid-template-columns: 60px 1fr; gap: 18px; }
  .module-desc, .module-meta { grid-column: 2; text-align: left; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .two-col { grid-template-columns: 1fr; gap: 40px; }
  .dice-demo { grid-template-columns: 1fr; }
  .dice-panel + .dice-panel { border-left: none; border-top: 1px solid var(--border-soft); }
}
@media (max-width: 720px) {
  .site-nav {
    position: fixed; top: 64px; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: rgba(10,11,13,0.97); border-bottom: 1px solid var(--border);
    padding: 8px 24px 18px;
    display: none;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 13px 0; border-bottom: 1px solid var(--border-soft); }
  .nav-classified { display: none; }
  .nav-login { display: none; }
  .nav-toggle {
    display: flex; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 8px; margin-left: auto;
  }
  .nav-toggle span { width: 22px; height: 1.5px; background: var(--text); transition: 0.3s; }
  .section { padding: 64px 0; }
  .stat-band { grid-template-columns: repeat(2, 1fr); }
  .feature-grid, .feature-grid.cols-4 { grid-template-columns: 1fr; }
  .module-row { grid-template-columns: 1fr; }
  .module-desc, .module-meta { grid-column: 1; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .faq-a-inner { padding-left: 24px; }
  .countdown-block { flex-direction: column; }
  .flip-grid, .store-grid, .scene-grid { grid-template-columns: 1fr; }
  .flip-card { height: 170px; }
  .float-join { left: 12px; bottom: 12px; padding: 9px 13px; font-size: 10px; }
  .badge-auth { font-size: 10px; padding: 6px 10px; }
  .hero-ctas { flex-direction: column; align-items: flex-start; gap: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .rv { opacity: 1; transform: none; }
}

/* ============ 页面主题色调（按内容区分） ============ */
/* 首页=梦渊系统·青 / 规则=权威档案·琥珀 / 模组库=时间切片·紫 / 关于=公司纪年·冷蓝 / 支持=安全通道·绿 */
body[data-theme="cyan"]   { --signal: #00E5C9; --signal-dim: color-mix(in srgb, #00E5C9 14%, transparent); --signal-cyan: #00E5C9; --signal-amber: #F0C040; }
body[data-theme="amber"]  { --signal: #F0C040; --signal-dim: color-mix(in srgb, #F0C040 14%, transparent); --signal-cyan: #F0C040; }
body[data-theme="violet"] { --signal: #B69CFF; --signal-dim: color-mix(in srgb, #B69CFF 14%, transparent); --signal-cyan: #B69CFF; }
body[data-theme="blue"]   { --signal: #7FB5E8; --signal-dim: color-mix(in srgb, #7FB5E8 14%, transparent); --signal-cyan: #7FB5E8; }
body[data-theme="green"]  { --signal: #57D08B; --signal-dim: color-mix(in srgb, #57D08B 14%, transparent); --signal-cyan: #57D08B; }

/* 主题微调页面底色，保持档案黑基调 */
body[data-theme="amber"]  { --bg: #0C0B09; --bg-2: #100E0B; --surface: #14120D; --surface-2: #181510; --border: #26221A; --border-soft: #1D1A13; }
body[data-theme="violet"] { --bg: #0B0A0E; --bg-2: #0E0D12; --surface: #12101A; --surface-2: #161420; --border: #241F30; --border-soft: #1B1825; }
body[data-theme="blue"]   { --bg: #090B0E; --bg-2: #0C0F13; --surface: #10141A; --surface-2: #141922; --border: #1E2530; --border-soft: #17202A; }
body[data-theme="green"]  { --bg: #090C0B; --bg-2: #0C100E; --surface: #101613; --surface-2: #141B17; --border: #1D2A22; --border-soft: #16211B; }

/* 顶栏当前页指示跟随主题色 */
.site-nav a.active { color: var(--signal); }
.site-nav a.active::after { background: var(--signal); }