/* ============================================================
   溯洇：静默纪元 - 官方网站样式
   设计语言：赛博诅咒 / 量子矩阵 / 浮空都市
   主色：虚空紫黑 + 矩阵青 + 诅咒紫 + 侵蚀红
   ============================================================ */

/* ---------- 设计变量 ---------- */
:root {
  --bg-void:        #050310;     /* 虚空 */
  --bg-deep:        #0a0820;     /* 深空 */
  --bg-panel:       rgba(20, 14, 40, 0.55);
  --bg-glass:       rgba(168, 85, 247, 0.04);

  --c-matrix:       #06d6c8;     /* 矩阵青 - 量子云端 */
  --c-matrix-deep:  #0891a3;
  --c-curse:        #a855f7;     /* 诅咒紫 - 污染/矩阵残留 */
  --c-curse-deep:   #7c3aed;
  --c-blood:        #ef4444;     /* 侵蚀红 - 警告 */
  --c-blood-deep:   #991b1b;
  --c-ember:        #f97316;     /* 危险橙 - 临界 */

  --txt-main:       #e9e6f5;
  --txt-sub:        #a89dc4;
  --txt-dim:        #6b6388;
  --txt-mute:       #443d5c;

  --border-soft:    rgba(168, 85, 247, 0.18);
  --border-matrix:  rgba(6, 214, 200, 0.35);
  --border-blood:   rgba(239, 68, 68, 0.4);

  --shadow-curse:   0 0 24px rgba(168, 85, 247, 0.25);
  --shadow-matrix:  0 0 18px rgba(6, 214, 200, 0.35);
  --shadow-blood:   0 0 18px rgba(239, 68, 68, 0.45);

  --font-disp:      'Orbitron', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body:      'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono:      'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}

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

html, body {
  background: var(--bg-void);
  color: var(--txt-main);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

body {
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(ellipse 1200px 600px at 50% -10%, rgba(168, 85, 247, 0.12), transparent 70%),
    radial-gradient(ellipse 800px 400px at 90% 100%, rgba(6, 214, 200, 0.08), transparent 70%),
    radial-gradient(ellipse 600px 400px at 10% 50%, rgba(239, 68, 68, 0.05), transparent 70%),
    var(--bg-void);
  /* 全局扫描线 */
  position: relative;
}
body::before {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, transparent 0px, transparent 2px, rgba(168, 85, 247, 0.025) 3px, transparent 4px);
  z-index: 9999;
  mix-blend-mode: screen;
}
body::after {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at center, transparent 50%, rgba(5, 3, 16, 0.5) 100%);
  z-index: 9998;
}

a { color: var(--c-matrix); text-decoration: none; }
button { font-family: inherit; }

/* ============================================================
   加载页 Loader - "溯洇矩阵 启动中"
   ============================================================ */
.loader {
  position: fixed; inset: 0;
  background:
    radial-gradient(circle at 50% 50%, rgba(168, 85, 247, 0.08), transparent 70%),
    var(--bg-void);
  z-index: 99999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 26px;
  font-family: var(--font-mono);
  transition: opacity 1s, visibility 1s;
}
.loader.hidden { opacity: 0; visibility: hidden; }

.loader-logo {
  position: relative;
  width: 130px; height: 130px;
  display: flex; align-items: center; justify-content: center;
}
.loader-logo img {
  width: 100%; height: 100%;
  filter: drop-shadow(0 0 18px rgba(168, 85, 247, 0.6)) drop-shadow(0 0 6px rgba(6, 214, 200, 0.4));
  animation: logoPulse 2s ease-in-out infinite;
}
.loader-logo::before,
.loader-logo::after {
  content: '';
  position: absolute; inset: -10px;
  border: 1px solid var(--c-curse);
  border-radius: 50%;
  opacity: 0.4;
  animation: ringSpin 3s linear infinite;
}
.loader-logo::after {
  inset: -22px;
  border-color: var(--c-matrix);
  border-style: dashed;
  animation-duration: 5s;
  animation-direction: reverse;
}
@keyframes ringSpin { to { transform: rotate(360deg); } }
@keyframes logoPulse {
  0%, 100% { filter: drop-shadow(0 0 18px rgba(168, 85, 247, 0.6)) drop-shadow(0 0 6px rgba(6, 214, 200, 0.4)); }
  50%      { filter: drop-shadow(0 0 32px rgba(168, 85, 247, 0.9)) drop-shadow(0 0 12px rgba(6, 214, 200, 0.7)); }
}

.loader-text {
  color: var(--c-matrix);
  font-size: 12px;
  letter-spacing: 6px;
  text-transform: uppercase;
  text-shadow: 0 0 8px var(--c-matrix);
}
.loader-text span {
  color: var(--txt-dim);
  margin-left: 8px;
}

.loader-bar {
  width: 280px; height: 2px;
  background: rgba(168, 85, 247, 0.15);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}
.loader-bar-fill {
  height: 100%; width: 0;
  background: linear-gradient(90deg, var(--c-curse) 0%, var(--c-matrix) 100%);
  box-shadow: 0 0 10px var(--c-matrix);
  animation: loaderFill 2.2s cubic-bezier(0.5, 0, 0.3, 1) forwards;
}
@keyframes loaderFill { to { width: 100%; } }

.loader-hint {
  color: var(--txt-dim);
  font-size: 10px;
  letter-spacing: 3px;
  opacity: 0.6;
}

/* ============================================================
   顶部矩阵监控条 - HUD 风格
   ============================================================ */
.top-bar {
  position: relative; z-index: 100;
  display: flex; justify-content: space-between; align-items: stretch;
  padding: 0;
  background: linear-gradient(180deg, rgba(20, 14, 40, 0.95), rgba(10, 8, 32, 0.85));
  border-bottom: 1px solid var(--border-soft);
  backdrop-filter: blur(12px);
  font-size: 13px;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}
.top-bar::before {
  content: '';
  position: absolute; left: 0; right: 0; bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-curse), var(--c-matrix), var(--c-curse), transparent);
  opacity: 0.5;
}

.top-left {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 22px;
}
.top-left .brand {
  font-family: var(--font-disp);
  font-weight: 900;
  font-size: 22px;
  letter-spacing: 4px;
  background: linear-gradient(135deg, var(--c-curse) 0%, var(--c-matrix) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 8px rgba(168, 85, 247, 0.5));
  position: relative;
}
.top-left .divider {
  color: var(--border-soft);
  margin: 0 4px;
  font-size: 16px;
}
.top-left .studio-name {
  font-family: var(--font-disp);
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--txt-sub);
  font-style: normal;
}
.top-left .studio-name sup {
  font-size: 9px;
  color: var(--c-matrix);
  vertical-align: super;
}
.top-left .panel-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--c-matrix);
  background: rgba(6, 214, 200, 0.08);
  border: 1px solid var(--border-matrix);
  padding: 3px 10px;
  border-radius: 2px;
  margin-left: 6px;
  text-shadow: 0 0 6px var(--c-matrix);
}

.top-right {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 22px;
  font-size: 12px;
  color: var(--txt-dim);
}

/* ---- 矩阵监控条（HUD 行，移到右下角浮动面板）---- */
.matrix-monitor {
  position: fixed;
  right: 18px;
  bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px 12px;
  background: rgba(5, 3, 16, 0.82);
  border: 1px solid var(--border-soft);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.4px;
  color: var(--txt-dim);
  backdrop-filter: blur(10px);
  z-index: 98;
  min-width: 188px;
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.18);
  /* 默认收起状态 */
  max-height: 30px;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease, box-shadow 0.35s ease;
  cursor: pointer;
}
.matrix-monitor:hover,
.matrix-monitor.expanded {
  max-height: 240px;
  padding: 10px 12px;
  box-shadow: 0 0 24px rgba(168, 85, 247, 0.4);
}
/* HUD 标题（始终可见） */
.matrix-monitor .mon-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-disp);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--c-matrix);
  text-shadow: 0 0 6px var(--c-matrix);
}
.matrix-monitor .mon-head .mon-toggle {
  color: var(--txt-mute);
  transition: transform 0.35s ease;
}
.matrix-monitor.expanded .mon-head .mon-toggle {
  transform: rotate(180deg);
}
.matrix-monitor .mon-body {
  display: flex;
  flex-direction: column;
  gap: 5px;
  /* 默认收起：隐藏在面板底部，节省空间 */
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.3s ease 0.05s, max-height 0.35s ease;
}
.matrix-monitor.expanded .mon-body {
  opacity: 1;
  max-height: 220px;
}
.matrix-monitor .mon-row {
  display: flex; align-items: center; gap: 8px;
  padding: 2px 4px;
  border-radius: 2px;
  background: rgba(168, 85, 247, 0.04);
}
.matrix-monitor .mon-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--c-matrix);
  box-shadow: 0 0 8px var(--c-matrix);
  animation: blink 1.4s infinite;
}
.matrix-monitor .mon-dot.blood { background: var(--c-blood); box-shadow: 0 0 8px var(--c-blood); }
.matrix-monitor .mon-dot.curse { background: var(--c-curse); box-shadow: 0 0 8px var(--c-curse); }
@keyframes blink { 0%, 60%, 100% { opacity: 1; } 70%, 90% { opacity: 0.3; } }

.matrix-monitor .mon-label { color: var(--txt-mute); min-width: 64px; }
.matrix-monitor .mon-value { color: var(--c-matrix); text-shadow: 0 0 4px var(--c-matrix); margin-left: auto; font-variant-numeric: tabular-nums; }
.matrix-monitor .mon-value.danger { color: var(--c-blood); text-shadow: 0 0 6px var(--c-blood); }
.matrix-monitor .mon-value.warn   { color: var(--c-ember); text-shadow: 0 0 6px var(--c-ember); }

/* ============================================================
   音乐控制
   ============================================================ */
.music-controls {
  display: flex; align-items: center; gap: 4px;
  padding: 4px 6px;
  background: rgba(168, 85, 247, 0.05);
  border: 1px solid var(--border-soft);
  border-radius: 3px;
}
.music-toggle,
.music-loop-btn {
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 3px;
  font-size: 12px;
  opacity: 0.5;
  transition: all 0.3s;
}
.music-toggle:hover,
.music-loop-btn:hover {
  opacity: 1;
  background: rgba(168, 85, 247, 0.15);
  transform: scale(1.1);
}
.music-toggle.playing {
  opacity: 1;
  color: var(--c-matrix);
  text-shadow: 0 0 8px var(--c-matrix);
  animation: musicPulse 2s ease-in-out infinite;
}
.music-toggle.loop-on {
  color: var(--c-curse);
  text-shadow: 0 0 6px var(--c-curse);
  opacity: 1;
}
@keyframes musicPulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.15); }
}
.music-icon { font-size: 16px; }

/* ============================================================
   主框架 + 侧边栏
   ============================================================ */
.body-wrapper {
  display: flex; flex-direction: row; flex: 1;
  margin-top: 0;
}

.sidebar {
  flex-shrink: 0;
  width: 0;
  padding: 0;
  background: transparent;
  border: 0;
  position: relative;
  overflow: hidden;
}
.sidebar::before { display: none; }
.sidebar-deco { display: none; }

.side-nav {
  display: none;
}

/* ---- 顶部主导航（横排 tab）---- */
.top-nav {
  position: relative;
  z-index: 9;
  background: linear-gradient(180deg,
    rgba(10, 8, 32, 0.92) 0%,
    rgba(5, 3, 16, 0.85) 100%);
  border-bottom: 1px solid var(--border-soft);
  backdrop-filter: blur(12px);
}
.top-nav::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(90deg,
    transparent 0, transparent 80px,
    rgba(168, 85, 247, 0.03) 80px, rgba(168, 85, 247, 0.03) 81px);
}
.top-nav-inner {
  display: flex;
  align-items: stretch;
  gap: 6px;
  padding: 0 28px;
  max-width: 1400px;
  margin: 0 auto;
}

.nav-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  font-family: var(--font-disp);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--txt-sub);
  text-decoration: none;
  border-radius: 0;
  position: relative;
  transition: all 0.3s;
  overflow: hidden;
  cursor: pointer;
  white-space: nowrap;
}
.nav-item::before {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: transparent;
  transition: all 0.3s;
}
.nav-item::after { display: none; }
.nav-item .nav-glyph {
  font-size: 14px;
  color: var(--c-curse);
  opacity: 0.6;
  transition: all 0.3s;
}
.nav-item .nav-label {
  color: inherit;
}
.nav-item .nav-tag {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--txt-mute);
  padding: 2px 6px;
  border: 1px solid var(--border-soft);
  border-radius: 2px;
  transition: all 0.3s;
}
.nav-item:hover {
  background: rgba(168, 85, 247, 0.08);
  border-bottom-color: var(--c-curse);
  color: var(--c-matrix);
  transform: none;
  box-shadow: none;
}
.nav-item:hover::before { background: transparent; }
.nav-item:hover .nav-glyph { color: var(--c-matrix); opacity: 1; text-shadow: 0 0 6px var(--c-matrix); }
.nav-item:hover .nav-tag { color: var(--c-matrix); border-color: var(--border-matrix); }

.nav-item.active {
  background: linear-gradient(180deg, rgba(168, 85, 247, 0.16) 0%, transparent 100%);
  border-bottom-color: var(--c-curse);
  color: var(--c-matrix);
  box-shadow: none;
  text-shadow: 0 0 8px rgba(6, 214, 200, 0.4);
}
.nav-item.active::before { background: var(--c-curse); box-shadow: 0 0 8px var(--c-curse); }
.nav-item.active .nav-glyph { color: var(--c-matrix); opacity: 1; text-shadow: 0 0 8px var(--c-matrix); }
.nav-item.active .nav-tag { color: var(--c-curse); border-color: var(--c-curse); }

/* 顶部导航右侧：spacer + 状态条 */
.top-nav-spacer { flex: 1; }
.top-nav-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 0 14px 16px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--txt-mute);
  border-left: 1px solid var(--border-soft);
  margin-left: 12px;
}
.nav-status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--c-matrix);
  box-shadow: 0 0 8px var(--c-matrix);
  animation: blink 1.4s infinite;
}
.nav-status-text {
  color: var(--c-matrix);
  text-shadow: 0 0 6px var(--c-matrix);
}

/* ============================================================
   主内容
   ============================================================ */
.main-content {
  flex: 1;
  padding: 26px 36px 36px;
  min-width: 0;
  overflow-x: hidden;
  position: relative;
}

.page-view {
  animation: pageFadeIn 0.6s ease-out;
  position: relative;
}
@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(8px); filter: blur(4px); }
  to   { opacity: 1; transform: translateY(0); filter: blur(0); }
}
.page-view.hidden { display: none; }

/* ---------- 页面标题 ---------- */
.page-title {
  font-family: var(--font-disp);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 6px;
  margin-bottom: 28px;
  padding-bottom: 14px;
  display: inline-block;
  position: relative;
  color: var(--txt-main);
  text-shadow: 0 0 16px rgba(168, 85, 247, 0.4);
}
.page-title::after {
  content: '';
  position: absolute;
  left: 0; bottom: -1px;
  width: 80px; height: 2px;
  background: linear-gradient(90deg, var(--c-curse), var(--c-matrix));
  box-shadow: 0 0 10px var(--c-curse);
}
.page-title::before {
  content: attr(data-prefix);
  position: absolute;
  top: -16px; left: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--c-matrix);
  opacity: 0.6;
}

/* ============================================================
   首页 - Hero 区
   ============================================================ */
#page-adrenalin {
  max-width: 980px;
  margin: 0 auto;
}

.hero-section {
  position: relative;
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 30px;
  background:
    radial-gradient(ellipse at 50% 40%, rgba(168, 85, 247, 0.18), transparent 70%),
    radial-gradient(ellipse at 80% 80%, rgba(6, 214, 200, 0.1), transparent 70%);
  border: 1px solid var(--border-soft);
}
.hero-section::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(168, 85, 247, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(6, 214, 200, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  pointer-events: none;
}
.hero-section::after {
  /* 顶部扫描线 */
  content: '';
  position: absolute; left: 0; right: 0;
  height: 2px; background: linear-gradient(90deg, transparent, var(--c-matrix), transparent);
  animation: scanDown 4s ease-in-out infinite;
  pointer-events: none;
}
@keyframes scanDown {
  0%   { top: 0; opacity: 0.6; }
  50%  { top: calc(100% - 2px); opacity: 0.8; }
  100% { top: 0; opacity: 0.6; }
}

.hero-particles {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
}

.hero-logo-bg {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 0;
  pointer-events: none;
  opacity: 0.08;
  animation: logoFloat 9s ease-in-out infinite;
}
.hero-logo-bg img {
  width: min(65vw, 440px); height: auto; display: block;
  filter: drop-shadow(0 0 30px rgba(168, 85, 247, 0.4));
}
@keyframes logoFloat {
  0%, 100% { transform: translate(-50%, -50%) scale(1) rotate(0); }
  50%      { transform: translate(-50%, -50%) scale(1.05) rotate(2deg); }
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(50px);
  pointer-events: none;
  z-index: 0;
}
.hero-orb-1 {
  width: 240px; height: 240px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.5), transparent 70%);
  top: 5%; left: 5%;
  animation: orbFloat1 8s ease-in-out infinite;
}
.hero-orb-2 {
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(6, 214, 200, 0.35), transparent 70%);
  bottom: -5%; right: -5%;
  animation: orbFloat2 11s ease-in-out infinite;
}
.hero-orb-3 {
  width: 180px; height: 180px;
  background: radial-gradient(circle, rgba(239, 68, 68, 0.18), transparent 70%);
  top: 35%; left: 60%;
  animation: orbFloat3 9s ease-in-out infinite;
}
.hero-orb-3 { background: radial-gradient(circle, rgba(239, 68, 68, 0.2), transparent 70%); }
@keyframes orbFloat1 { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(40px, -30px) scale(1.15); } }
@keyframes orbFloat2 { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(-50px, -40px) scale(1.2); } }
@keyframes orbFloat3 { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(30px, 30px) scale(0.8); } }

/* 已废弃的 hero-grid-overlay 占位（保 class 兼容性） */
.hero-grid-overlay { display: none; }

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 40px 24px;
  width: 100%;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--c-matrix);
  border: 1px solid var(--border-matrix);
  background: rgba(6, 214, 200, 0.08);
  padding: 5px 18px;
  border-radius: 2px;
  margin-bottom: 28px;
  backdrop-filter: blur(5px);
  text-shadow: 0 0 6px var(--c-matrix);
  animation: badgeIn 0.8s ease-out;
}
@keyframes badgeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-title {
  font-family: var(--font-disp);
  font-size: 76px;
  font-weight: 900;
  letter-spacing: 6px;
  line-height: 1;
  margin-bottom: 22px;
}
.hero-grad {
  background: linear-gradient(135deg, #fff 0%, var(--c-curse) 50%, var(--c-matrix) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 24px rgba(168, 85, 247, 0.5));
  animation: titleIn 1s ease-out 0.2s both, titleGlow 3s ease-in-out 1.5s infinite;
}
.hero-grad-2 {
  background: linear-gradient(135deg, var(--c-matrix) 0%, #67e8f9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 14px rgba(6, 214, 200, 0.3));
  animation: titleIn 1s ease-out 0.5s both;
}
@keyframes titleIn {
  from { opacity: 0; transform: translateY(20px) scale(0.95); filter: blur(10px); }
  to   { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
}
@keyframes titleGlow {
  0%, 100% { filter: drop-shadow(0 0 24px rgba(168, 85, 247, 0.5)); }
  50%      { filter: drop-shadow(0 0 38px rgba(168, 85, 247, 0.8)); }
}

.hero-typing-wrap {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-matrix);
  letter-spacing: 3px;
  margin-bottom: 36px;
  min-height: 24px;
  text-shadow: 0 0 6px var(--c-matrix);
}
.hero-cursor {
  color: var(--c-curse);
  font-weight: bold;
  animation: cursorBlink 0.8s infinite;
}
@keyframes cursorBlink { 0%, 50% { opacity: 1; } 51%, 100% { opacity: 0; } }

.hero-actions {
  display: flex;
  gap: 18px;
  justify-content: center;
  animation: badgeIn 0.8s ease-out 0.8s both;
}
.hero-btn {
  padding: 14px 38px;
  font-family: var(--font-disp);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
  border: none;
  position: relative;
  overflow: hidden;
}
.hero-btn-primary {
  background: linear-gradient(135deg, var(--c-curse), var(--c-curse-deep));
  color: #fff;
  box-shadow: var(--shadow-curse), 0 4px 20px rgba(0, 0, 0, 0.4);
}
.hero-btn-primary::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--c-curse-deep), var(--c-curse));
  opacity: 0;
  transition: opacity 0.3s;
}
.hero-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 32px rgba(168, 85, 247, 0.6), 0 8px 30px rgba(0, 0, 0, 0.5);
}
.hero-btn-primary:hover::before { opacity: 1; }
.hero-btn-primary span { position: relative; z-index: 1; }

.hero-btn-ghost {
  background: transparent;
  color: var(--c-matrix);
  border: 1px solid var(--border-matrix);
  backdrop-filter: blur(5px);
}
.hero-btn-ghost:hover {
  color: var(--c-curse);
  border-color: var(--c-curse);
  background: rgba(168, 85, 247, 0.08);
  transform: translateY(-3px);
  box-shadow: var(--shadow-curse);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--c-matrix);
  letter-spacing: 3px;
  opacity: 0.7;
  animation: scrollHint 2s infinite;
  z-index: 1;
}
@keyframes scrollHint {
  0%, 100% { opacity: 0.3; transform: translateX(-50%) translateY(0); }
  50%      { opacity: 1;   transform: translateX(-50%) translateY(6px); }
}

/* SVG 波浪 */
.hero-wave {
  display: block; width: 100%; height: 50px;
  margin-top: -1px;
  filter: drop-shadow(0 0 6px rgba(168, 85, 247, 0.3));
}

/* ============================================================
   首页 - 服务入口 / 元素卡
   ============================================================ */
.home-services {
  max-width: 900px;
  margin: 36px auto 12px;
  padding: 0 16px;
}
.home-services-title {
  text-align: center;
  font-family: var(--font-disp);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 8px;
  color: var(--c-matrix);
  text-shadow: 0 0 14px rgba(6, 214, 200, 0.4);
  margin-bottom: 22px;
  position: relative;
}
.home-services-title::before,
.home-services-title::after {
  content: '';
  display: inline-block;
  width: 40px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-matrix));
  vertical-align: middle;
  margin: 0 16px;
}
.home-services-title::after {
  background: linear-gradient(90deg, var(--c-matrix), transparent);
}

.home-services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
@media (max-width: 640px) {
  .home-services-grid { grid-template-columns: 1fr; }
}
.home-service-card {
  display: flex; align-items: center; gap: 18px;
  text-decoration: none;
  border: 1px solid var(--border-soft);
  background: var(--bg-panel);
  border-radius: 6px;
  padding: 22px 24px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(5px);
  transition: all 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.home-service-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-curse), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.home-service-card:hover {
  border-color: var(--c-curse);
  background: rgba(168, 85, 247, 0.08);
  transform: translateY(-4px);
  box-shadow: var(--shadow-curse);
}
.home-service-card:hover::before { opacity: 1; }
.home-service-icon {
  font-size: 36px;
  filter: drop-shadow(0 0 8px rgba(168, 85, 247, 0.3));
  flex-shrink: 0;
}
.home-service-text { flex: 1; min-width: 0; }
.home-service-text strong {
  font-family: var(--font-disp);
  font-size: 16px;
  letter-spacing: 2px;
  color: var(--txt-main);
}
.home-service-text em {
  font-style: normal;
  font-size: 12px;
  color: var(--txt-dim);
}
.home-service-arrow {
  font-family: var(--font-disp);
  font-size: 22px;
  color: var(--c-curse);
  flex-shrink: 0;
  transition: transform 0.3s;
}
.home-service-card:hover .home-service-arrow { transform: translateX(6px); }

/* ============================================================
   底部 Slogan
   ============================================================ */
.hero-slogan {
  display: flex; align-items: center; justify-content: center;
  gap: 24px;
  padding: 24px 0 8px;
  margin-top: 8px;
}
.slogan-line {
  width: 80px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-curse), transparent);
}
.hero-slogan p {
  font-family: var(--font-disp);
  font-size: 14px;
  letter-spacing: 8px;
  color: var(--c-matrix);
  text-shadow: 0 0 12px rgba(6, 214, 200, 0.3);
}

/* ============================================================
   通用块
   ============================================================ */
.content-block {
  max-width: 700px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--txt-sub);
  border-left: 2px solid var(--c-curse);
  padding-left: 20px;
}

/* ============================================================
   B 站风格大卡片（用于下载页问卷入口）
   ============================================================ */
.bili-banner {
  display: block;
  text-decoration: none;
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid rgba(168, 85, 247, 0.4);
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.12) 0%, rgba(168, 85, 247, 0.04) 50%, rgba(20, 14, 40, 0.6) 100%);
  transition: all 0.4s;
  max-width: 720px;
}
.bili-banner:hover {
  border-color: var(--c-curse);
  box-shadow: 0 8px 35px rgba(168, 85, 247, 0.25), 0 0 22px rgba(168, 85, 247, 0.15);
  transform: translateY(-3px);
}
.bili-banner:hover .bili-glow { opacity: 1; }
.bili-banner:hover .bili-arrow { transform: translateX(6px); color: var(--c-curse); }

.bili-banner-inner {
  display: flex; align-items: center;
  padding: 28px 26px;
  gap: 22px;
  position: relative; z-index: 1;
}
.bili-logo-area {
  flex-shrink: 0;
  width: 64px; height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.3), rgba(168, 85, 247, 0.1));
  border: 2px solid rgba(168, 85, 247, 0.5);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 15px rgba(168, 85, 247, 0.3);
}
.bili-tv-icon { font-size: 30px; filter: drop-shadow(0 0 6px rgba(168, 85, 247, 0.5)); }
.bili-info { flex: 1; }
.bili-info h3 {
  font-family: var(--font-disp);
  font-size: 17px;
  font-weight: 700;
  color: var(--c-curse);
  margin-bottom: 6px;
  letter-spacing: 2px;
  text-shadow: 0 0 8px rgba(168, 85, 247, 0.3);
}
.bili-info p { font-size: 13px; color: var(--txt-sub); line-height: 1.6; margin-bottom: 6px; }
.bili-link-text {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-curse);
  letter-spacing: 1px;
  opacity: 0.8;
}
.bili-arrow {
  font-size: 32px;
  color: rgba(168, 85, 247, 0.5);
  transition: all 0.3s;
  flex-shrink: 0;
}
.bili-glow {
  position: absolute;
  top: -50%; right: -20%;
  width: 220px; height: 220px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.18) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}

/* ============================================================
   下载页 —— 二游活动页风格
   斜切横幅 / 菱形装饰 / 角标括号 / 招募卡片
   ============================================================ */
#page-gamedownlowd {
  max-width: 860px;
  margin: 0 auto;
  padding: 8px 4px 40px;
}

/* ---- 顶部大横幅 ---- */
.dl-hero {
  position: relative;
  text-align: center;
  padding: 46px 20px 38px;
  margin-bottom: 26px;
  background:
    linear-gradient(180deg, rgba(168, 85, 247, 0.10) 0%, transparent 100%),
    rgba(20, 14, 40, 0.35);
  clip-path: polygon(0 14px, 14px 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  border-top: 2px solid var(--c-curse);
  overflow: hidden;
}
.dl-hero::before {
  /* 斜纹底纹 */
  content: '';
  position: absolute; inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(-45deg,
    transparent 0, transparent 18px,
    rgba(168, 85, 247, 0.045) 18px, rgba(168, 85, 247, 0.045) 20px);
}
.dl-hero::after {
  /* 中央光束 */
  content: '';
  position: absolute;
  top: 0; left: 50%;
  width: 220px; height: 100%;
  transform: translateX(-50%);
  background: linear-gradient(180deg, rgba(6, 214, 200, 0.10), transparent 80%);
  pointer-events: none;
}
.dl-hero-en {
  position: absolute;
  top: 14px; left: 0; right: 0;
  font-family: var(--font-disp);
  font-size: clamp(48px, 9vw, 84px);
  font-weight: 900;
  letter-spacing: 10px;
  color: transparent;
  -webkit-text-stroke: 1px rgba(168, 85, 247, 0.14);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}
.dl-hero-title {
  position: relative;
  font-family: var(--font-disp);
  font-size: 34px;
  font-weight: 900;
  letter-spacing: 8px;
  color: var(--txt-main);
  text-shadow: 0 0 18px rgba(168, 85, 247, 0.45);
  margin-bottom: 14px;
}
.dl-hero-sub {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 16px;
}
.dl-hero-line {
  height: 1px;
  width: 90px;
  background: linear-gradient(90deg, transparent, var(--c-curse));
}
.dl-hero-line:last-of-type { background: linear-gradient(90deg, var(--c-curse), transparent); }
.dl-hero-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--c-matrix);
  text-shadow: 0 0 8px var(--c-matrix);
  white-space: nowrap;
}
.dl-hero-desc {
  position: relative;
  font-size: 13px;
  color: var(--txt-sub);
  letter-spacing: 1px;
}
.dl-hero-deco {
  position: absolute;
  top: 18px;
  font-size: 13px;
  color: var(--c-curse);
  opacity: 0.55;
  text-shadow: 0 0 8px var(--c-curse);
  animation: dlSpin 6s linear infinite;
}
.dl-hero-deco-l { left: 22px; }
.dl-hero-deco-r { right: 22px; animation-direction: reverse; }
@keyframes dlSpin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ---- 版本状态条 ---- */
.dl-status-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 12px 16px;
  margin-bottom: 34px;
  background: rgba(10, 8, 32, 0.6);
  border: 1px solid var(--border-soft);
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}
.dl-status-item {
  display: flex;
  align-items: center;
  gap: 10px;
}
.dl-status-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--txt-dim);
}
.dl-status-val {
  font-family: var(--font-disp);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 3px 10px;
  clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}
.dl-status-doing {
  color: var(--c-matrix);
  background: rgba(6, 214, 200, 0.12);
  border: 1px solid var(--border-matrix);
  text-shadow: 0 0 6px rgba(6, 214, 200, 0.5);
  animation: dlPulse 2s ease-in-out infinite;
}
.dl-status-lock {
  color: var(--txt-dim);
  background: rgba(107, 99, 136, 0.10);
  border: 1px solid rgba(107, 99, 136, 0.25);
}
@keyframes dlPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}
.dl-status-sep {
  font-size: 9px;
  color: var(--txt-mute);
}

/* ---- 活动卡片（通用）---- */
.dl-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 26px 30px;
  margin-bottom: 22px;
  text-decoration: none;
  background: linear-gradient(100deg,
    rgba(168, 85, 247, 0.13) 0%,
    rgba(20, 14, 40, 0.55) 42%,
    rgba(20, 14, 40, 0.4) 100%);
  border: 1px solid rgba(168, 85, 247, 0.35);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
  overflow: hidden;
}
/* 四角括号 */
.dl-card-corner {
  position: absolute;
  width: 14px; height: 14px;
  border: 2px solid var(--c-curse);
  opacity: 0.7;
  pointer-events: none;
  transition: all 0.35s;
}
.dl-cc-tl { top: 6px;  left: 6px;  border-right: 0; border-bottom: 0; }
.dl-cc-tr { top: 6px;  right: 6px; border-left: 0;  border-bottom: 0; }
.dl-cc-bl { bottom: 6px; left: 6px;  border-right: 0; border-top: 0; }
.dl-cc-br { bottom: 6px; right: 6px; border-left: 0;  border-top: 0; }

.dl-card:hover {
  border-color: var(--c-curse);
  box-shadow: 0 10px 40px rgba(168, 85, 247, 0.28), inset 0 0 30px rgba(168, 85, 247, 0.06);
  transform: translateY(-4px);
}
.dl-card:hover .dl-card-corner {
  width: 20px; height: 20px;
  opacity: 1;
  box-shadow: 0 0 8px rgba(168, 85, 247, 0.5);
}
.dl-card:hover .dl-card-glow { opacity: 1; }

/* 徽章 */
.dl-card-emblem {
  flex-shrink: 0;
  width: 72px; height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.3), rgba(6, 214, 200, 0.12));
  border: 1px solid rgba(168, 85, 247, 0.55);
  transform: rotate(45deg);
  transition: transform 0.4s ease;
  box-shadow: 0 0 18px rgba(168, 85, 247, 0.25);
}
.dl-emblem-icon {
  transform: rotate(-45deg);
  font-size: 30px;
  filter: drop-shadow(0 0 6px rgba(168, 85, 247, 0.6));
  transition: transform 0.4s ease;
}
.dl-card:hover .dl-card-emblem {
  transform: rotate(45deg) scale(1.08);
  box-shadow: 0 0 26px rgba(168, 85, 247, 0.45);
}
.dl-card:hover .dl-emblem-icon { transform: rotate(-45deg) scale(1.1); }

/* 信息区 */
.dl-card-info { flex: 1; min-width: 0; }
.dl-card-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--txt-dim);
  margin-bottom: 6px;
}
.dl-eyebrow-diamond {
  color: var(--c-curse);
  font-size: 9px;
  text-shadow: 0 0 6px var(--c-curse);
}
.dl-card-title {
  font-family: var(--font-disp);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 3px;
  color: var(--txt-main);
  text-shadow: 0 0 12px rgba(168, 85, 247, 0.35);
  margin-bottom: 6px;
}
.dl-card-desc {
  font-size: 12px;
  color: var(--txt-sub);
  letter-spacing: 0.5px;
}

/* CTA 按钮 */
.dl-card-cta {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  background: linear-gradient(135deg, var(--c-curse-deep), var(--c-curse));
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  font-family: var(--font-disp);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: #fff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  transition: all 0.3s ease;
  box-shadow: 0 4px 18px rgba(168, 85, 247, 0.35);
}
.dl-cta-arrow {
  font-size: 18px;
  line-height: 1;
  transition: transform 0.3s ease;
}
.dl-card:hover .dl-card-cta {
  box-shadow: 0 6px 26px rgba(168, 85, 247, 0.55);
  filter: brightness(1.15);
}
.dl-card:hover .dl-cta-arrow { transform: translateX(5px); }

/* 卡片扫光 */
.dl-card-glow {
  position: absolute;
  top: -60%; left: -30%;
  width: 200px; height: 220%;
  background: linear-gradient(100deg, transparent, rgba(6, 214, 200, 0.10), transparent);
  transform: rotate(15deg);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}

/* ---- BETA 锁定卡 ---- */
.dl-card-locked {
  background: linear-gradient(100deg,
    rgba(107, 99, 136, 0.10) 0%,
    rgba(20, 14, 40, 0.45) 42%,
    rgba(20, 14, 40, 0.35) 100%);
  border-color: rgba(107, 99, 136, 0.28);
  cursor: not-allowed;
  filter: saturate(0.5);
}
.dl-card-locked .dl-card-corner { border-color: var(--txt-mute); opacity: 0.4; }
.dl-card-locked:hover {
  transform: none;
  border-color: rgba(107, 99, 136, 0.28);
  box-shadow: none;
  filter: saturate(0.5);
}
.dl-card-locked .dl-card-emblem {
  background: linear-gradient(135deg, rgba(107, 99, 136, 0.2), rgba(20, 14, 40, 0.4));
  border-color: rgba(107, 99, 136, 0.4);
  box-shadow: none;
}
.dl-card-locked .dl-card-title { color: var(--txt-sub); text-shadow: none; }
.dl-cta-lock {
  background: rgba(107, 99, 136, 0.15);
  color: var(--txt-dim);
  box-shadow: none;
  letter-spacing: 3px;
}

/* ---- 底部提示 ---- */
.dl-footnote {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 30px;
}
.dl-footnote-line {
  height: 1px;
  flex: 0 1 70px;
  background: linear-gradient(90deg, transparent, rgba(168, 85, 247, 0.4));
}
.dl-footnote-line:last-of-type { background: linear-gradient(90deg, rgba(168, 85, 247, 0.4), transparent); }
.dl-footnote-text {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--txt-dim);
  white-space: nowrap;
}

/* ============================================================
   服务协议 / 版权内容
   ============================================================ */
.agreement-content {
  max-width: 820px;
}
.agreement-content p {
  font-size: 13px;
  line-height: 1.9;
  color: var(--txt-sub);
  margin-bottom: 14px;
  padding: 14px 18px;
  border: 1px solid var(--border-soft);
  border-left: 2px solid var(--c-curse);
  border-radius: 2px;
  background: rgba(20, 14, 40, 0.4);
}
.agreement-content p:hover {
  border-color: var(--c-curse);
  background: rgba(168, 85, 247, 0.06);
}

/* ============================================================
   世界观页 - 沉浸叙事排版
   ============================================================ */
#page-sjg {
  max-width: 880px;
  margin: 0 auto;
}

#page-sjg p {
  font-size: 15px;
  line-height: 2;
  color: var(--txt-main);
  position: relative;
  padding: 18px 22px;
  background: var(--bg-panel);
  border-left: 3px solid var(--c-curse);
  border-radius: 2px;
  margin-bottom: 16px;
  font-family: var(--font-body);
}
#page-sjg p::before {
  content: '◈';
  position: absolute;
  left: 8px; top: 14px;
  color: var(--c-curse);
  font-size: 10px;
  opacity: 0.6;
}

/* highlight 关键词（如 "人类静默"、"溯洇矩阵" 等可用 strong 强调） */
#page-sjg strong {
  color: var(--c-curse);
  font-weight: 700;
  text-shadow: 0 0 6px rgba(168, 85, 247, 0.45);
  padding: 1px 4px;
  background: rgba(168, 85, 247, 0.08);
  border-radius: 2px;
  border-bottom: 1px solid rgba(168, 85, 247, 0.4);
}
#page-sjg em {
  font-style: normal;
  color: var(--c-matrix);
  text-shadow: 0 0 4px rgba(6, 214, 200, 0.4);
}

/* ============================================================
   登录 / 注册弹窗
   ============================================================ */
.login-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(5, 3, 16, 0.85);
  backdrop-filter: blur(8px);
  z-index: 10000;
  align-items: center;
  justify-content: center;
}
.login-modal.active { display: flex; }

.login-content {
  background:
    linear-gradient(135deg, rgba(20, 14, 40, 0.97), rgba(10, 8, 32, 0.97));
  border: 1px solid var(--c-curse);
  border-radius: 6px;
  padding: 32px 28px 20px;
  max-width: 380px;
  width: 90%;
  position: relative;
  box-shadow: var(--shadow-curse), 0 20px 60px rgba(0, 0, 0, 0.6);
  clip-path: polygon(0 12px, 12px 0, calc(100% - 12px) 0, 100% 12px, 100% calc(100% - 12px), calc(100% - 12px) 100%, 12px 100%, 0 calc(100% - 12px));
}

.login-close {
  position: absolute;
  top: 10px; right: 12px;
  background: none; border: none;
  font-size: 20px; cursor: pointer;
  color: var(--txt-dim);
  transition: color 0.3s;
}
.login-close:hover { color: var(--c-blood); }

.login-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--border-soft);
}
.login-tab {
  flex: 1;
  background: none; border: none;
  padding: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--txt-dim);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.3s;
}
.login-tab:hover { color: var(--txt-sub); }
.login-tab.active {
  color: var(--c-curse);
  border-bottom-color: var(--c-curse);
  text-shadow: 0 0 6px var(--c-curse);
}

.login-form {
  display: none;
  flex-direction: column;
  gap: 14px;
}
.login-form.active { display: flex; }

.login-input {
  border: 1px solid var(--border-soft);
  border-radius: 2px;
  padding: 12px 15px;
  font-size: 14px;
  font-family: var(--font-mono);
  background: rgba(5, 3, 16, 0.6);
  color: var(--txt-main);
  outline: none;
  transition: all 0.3s;
}
.login-input::placeholder { color: var(--txt-mute); }
.login-input:focus {
  border-color: var(--c-curse);
  box-shadow: 0 0 0 2px rgba(168, 85, 247, 0.1), 0 0 14px rgba(168, 85, 247, 0.2);
  background: rgba(10, 8, 32, 0.8);
}

.login-error {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-blood);
  text-align: center;
  margin: 0;
  text-shadow: 0 0 4px var(--c-blood);
}

.login-submit {
  background: linear-gradient(135deg, var(--c-curse), var(--c-curse-deep));
  color: #fff;
  border: none;
  border-radius: 2px;
  padding: 12px;
  font-family: var(--font-disp);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 4px;
  cursor: pointer;
  transition: all 0.3s;
  margin-top: 4px;
}
.login-submit:hover {
  box-shadow: 0 0 24px rgba(168, 85, 247, 0.5);
  transform: translateY(-2px);
}

.login-note {
  text-align: center;
  font-size: 11px;
  color: var(--txt-mute);
  margin-top: 14px;
  font-family: var(--font-mono);
  letter-spacing: 1px;
}

/* ============================================================
   顶部用户区
   ============================================================ */
.user-area {
  display: flex; align-items: center; gap: 10px;
}
.login-btn {
  background: rgba(168, 85, 247, 0.15);
  color: var(--c-curse);
  border: 1px solid var(--border-soft);
  padding: 6px 16px;
  border-radius: 2px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  transition: all 0.3s;
}
.login-btn:hover {
  background: rgba(168, 85, 247, 0.25);
  box-shadow: var(--shadow-curse);
}
.user-welcome {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-matrix);
  letter-spacing: 1px;
}
.logout-btn {
  background: none;
  color: var(--txt-dim);
  border: 1px solid var(--border-soft);
  padding: 4px 10px;
  border-radius: 2px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1px;
  transition: all 0.3s;
}
.logout-btn:hover {
  color: var(--c-blood);
  border-color: var(--c-blood);
}

/* ============================================================
   底部
   ============================================================ */
.footer {
  text-align: center;
  padding: 22px 0 18px;
  border-top: 1px solid var(--border-soft);
  margin-top: auto;
  margin-left: 170px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--txt-dim);
  letter-spacing: 2px;
}
.footer p { margin: 4px 0; }
.footer .version-tag {
  display: inline-block;
  font-size: 10px;
  background: rgba(168, 85, 247, 0.15);
  color: var(--c-curse);
  border: 1px solid rgba(168, 85, 247, 0.4);
  padding: 3px 12px;
  border-radius: 2px;
  font-weight: 700;
  letter-spacing: 2px;
  margin-top: 6px;
  text-shadow: 0 0 4px var(--c-curse);
}

/* ============================================================
   滚动条
   ============================================================ */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: rgba(5, 3, 16, 0.5); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--c-curse), var(--c-matrix));
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--c-curse); }

/* ============================================================
   响应式 - 手机
   ============================================================ */
@media (max-width: 768px) {
  html, body { overflow-x: hidden; max-width: 100%; }

  .top-bar { padding: 0; }
  .top-left { padding: 10px 12px; flex: 1; min-width: 0; overflow: hidden; white-space: nowrap; }
  .top-right { padding: 10px 12px; gap: 8px; font-size: 11px; flex-shrink: 0; }
  .top-left .brand { font-size: 18px; letter-spacing: 2px; }
  .top-left .studio-name { font-size: 11px; }
  .top-left .panel-tag { display: none; }
  .body-wrapper { margin-top: 0; }
  /* mobile 端 HUD 改为右下角紧凑模式 */
  .matrix-monitor {
    right: 10px;
    bottom: 10px;
    min-width: 156px;
    font-size: 9px;
  }
  .matrix-monitor .mon-label { min-width: 50px; }
  .matrix-monitor .mon-row.hide-mobile { display: none; }

  /* sidebar 已搬空，mobile 端直接隐藏 */
  .sidebar { display: none; }
  .sidebar-backdrop { display: none !important; }
  /* mobile 顶部导航：缩小字号 + 隐藏 TAG 标记 */
  .top-nav-inner { padding: 0 12px; gap: 2px; overflow-x: auto; }
  .nav-item { font-size: 12px; padding: 12px 12px; gap: 6px; }
  .nav-item .nav-tag { display: none; }
  .top-nav-status { font-size: 9px; padding-left: 8px; margin-left: 6px; }

  /* mobile 下载页（二游风）紧凑化 */
  #page-gamedownlowd { padding: 4px 0 30px; }
  .dl-hero { padding: 34px 14px 28px; margin-bottom: 18px; }
  .dl-hero-title { font-size: 24px; letter-spacing: 5px; }
  .dl-hero-en { letter-spacing: 6px; }
  .dl-hero-line { width: 40px; }
  .dl-hero-desc { font-size: 12px; }
  .dl-status-strip { flex-wrap: wrap; gap: 10px; padding: 10px 12px; margin-bottom: 24px; }
  .dl-card { flex-wrap: wrap; gap: 16px; padding: 20px 18px; }
  .dl-card-emblem { width: 56px; height: 56px; }
  .dl-emblem-icon { font-size: 22px; }
  .dl-card-title { font-size: 17px; letter-spacing: 2px; }
  .dl-card-cta { width: 100%; justify-content: center; }

  .main-content { padding: 14px 14px 40px; }
  .footer { margin-left: 0; padding: 16px 14px; }
  .page-title { font-size: 22px; letter-spacing: 3px; margin-bottom: 20px; }

  .hero-section { min-height: auto; padding: 50px 0 40px; margin-bottom: 20px; }
  .hero-content { padding: 0 14px; }
  .hero-title { font-size: 50px; letter-spacing: 3px; }
  .hero-typing-wrap { font-size: 12px; margin-bottom: 28px; letter-spacing: 2px; }
  .hero-badge { font-size: 10px; padding: 4px 12px; margin-bottom: 18px; letter-spacing: 2px; }
  .hero-actions { gap: 10px; }
  .hero-btn { padding: 11px 22px; font-size: 12px; letter-spacing: 2px; }
  .hero-scroll-hint { display: none; }
  .hero-orb-1, .hero-orb-2 { filter: blur(40px); opacity: 0.5; }

  .home-services { padding: 0 4px; }
  .home-services-grid { grid-template-columns: 1fr; gap: 12px; }
  .home-service-card { padding: 16px 18px; }
  .home-service-text strong { font-size: 14px; }
  .home-services-title { font-size: 16px; letter-spacing: 4px; }
  .home-services-title::before, .home-services-title::after { width: 24px; }

  .hero-slogan { padding: 12px 0; }
  .hero-slogan p { font-size: 12px; letter-spacing: 4px; }
  .slogan-line { width: 50px; }

  .bili-banner { max-width: 100%; }
  .bili-banner-inner { padding: 18px 14px; gap: 14px; }
  .bili-logo-area { width: 50px; height: 50px; }
  .bili-tv-icon { font-size: 24px; }
  .bili-info h3 { font-size: 15px; }
  .bili-info p { font-size: 12px; }
  .bili-arrow { font-size: 26px; }

  #page-sjg p { font-size: 14px; padding: 14px 18px; }

  .login-content { width: 92%; padding: 28px 22px 18px; }
  .login-tab { font-size: 12px; letter-spacing: 2px; }
}

/* ============================================================
   响应式补丁 v42 —— 移动端体验优化
   ============================================================ */

/* 1. 汉堡按钮 / 侧栏遮罩：导航已横排、侧栏为空，彻底隐藏防误触 */
.mobile-menu-toggle,
.sidebar-backdrop { display: none !important; }

/* 2. Hero 主标题：按视口宽度自适应，避免大字在窄屏爆行 */
.hero-title {
  font-size: clamp(28px, 8vw, 76px);
  line-height: 1.25;
}
/* 打字机文本允许换行，窄屏不溢出 */
.hero-typing-wrap { white-space: normal; }

/* 3. 顶部导航：横向滑动体验优化，禁止挤压变形 */
.top-nav-inner {
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.top-nav-inner::-webkit-scrollbar { display: none; }
.nav-item { flex-shrink: 0; }

/* 4. 登录弹窗：小屏高度兜底（含动态视口高度 dvh），防键盘弹出溢出 */
.login-modal { padding: 16px; }
.login-content {
  max-height: calc(100vh - 32px);
  max-height: calc(100dvh - 32px);
  overflow-y: auto;
}

@media (max-width: 768px) {
  .hero-title { font-size: clamp(24px, 8.6vw, 50px); letter-spacing: 2px; }
  .hero-content { padding: 0 10px; }
  /* 红色光球纯装饰，移动端隐藏省性能 */
  .hero-orb-3 { display: none; }
}

@media (max-width: 480px) {
  /* 状态条占位大，窄屏隐藏 */
  .top-nav-status { display: none; }
  /* HUD 面板再缩小，避免盖住底部内容 */
  .matrix-monitor { min-width: 120px; right: 8px; bottom: 8px; font-size: 8px; }
  /* Hero 按钮平分宽度，手指好按 */
  .hero-actions { width: 100%; }
  .hero-btn { flex: 1; max-width: 190px; }
  .dl-hero-title { font-size: 20px; letter-spacing: 3px; }
  /* 口号改纵向排布，线条装饰保留 */
  .hero-slogan { flex-direction: column; gap: 10px; }
  .hero-slogan .slogan-line { width: 60px; }
  .dl-footnote-text { white-space: normal; text-align: center; }
}