/* ============ OMNIVERSE 沉浸式全媒体舱 · 样式 ============ */
:root {
  --bg: #05060f;
  --panel: rgba(13, 17, 32, 0.82);
  --panel-border: rgba(120, 160, 255, 0.16);
  --text: #e8ecf8;
  --text-dim: #9aa4c0;
  --accent: #6cb8ff;
  --accent2: #ff5e9c;
  --gold: #ffd166;
  --paper-warm: #f4e8d4;
  --paper-cool: #e9f0f7;
  --paper-eye: #e6efdd;
  --r-font: 18px;
  --r-line: 1.9;
  --r-paper: var(--paper-warm);
}
* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html, body { height: 100%; overflow: hidden; }
body {
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  background: var(--bg); color: var(--text);
}
button { font-family: inherit; cursor: pointer; }
.hidden { display: none !important; }

#gl-container { position: fixed; inset: 0; z-index: 0; }
#gl-canvas { display: block; width: 100%; height: 100%; }

/* WebGL 降级 */
.css3d-fallback {
  position: absolute; inset: 0;
  background: radial-gradient(120% 100% at 30% 20%, #16214a 0%, #0a0d22 45%, #05060f 100%);
  perspective: 900px; overflow: hidden;
}
.css3d-fallback::before {
  content: ""; position: absolute; inset: -20%;
  background:
    radial-gradient(closest-side, rgba(108,184,255,0.22), transparent 70%) 20% 30%/55% 55% no-repeat,
    radial-gradient(closest-side, rgba(255,94,156,0.16), transparent 70%) 75% 65%/50% 50% no-repeat;
  animation: cssDrift 14s ease-in-out infinite alternate;
}
@keyframes cssDrift { to { transform: translate3d(4%, -3%, 0) rotate(2deg); } }
.css3d-inner { position: absolute; left: 50%; top: 46%; transform: translate(-50%,-50%) rotateX(8deg); }
.css3d-note { color: var(--text-dim); text-align: center; line-height: 2; font-size: 14px; }
/* 降级模式下的纯色基图：铺满纯色并停掉漂移动画 */
.css3d-fallback.solid::before { display: none; animation: none; }
.css3d-fallback.solid { animation: none; }

body.ctx-lost #ctx-lost-tip { display: flex; }
#ctx-lost-tip {
  display: none; position: fixed; top: 74px; left: 50%; transform: translateX(-50%);
  z-index: 300; background: rgba(120, 20, 40, 0.85); border: 1px solid #ff8899;
  padding: 10px 22px; border-radius: 10px; font-size: 14px;
}

/* ============ 启动遮罩 ============ */
#boot {
  position: fixed; inset: 0; z-index: 999; background: var(--bg);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  transition: opacity 0.7s ease; gap: 18px;
}
#boot.done { opacity: 0; pointer-events: none; }
.boot-ring {
  width: 92px; height: 92px; border-radius: 50%;
  border: 2px solid transparent; border-top-color: var(--accent); border-right-color: var(--accent2);
  animation: spin 1.1s linear infinite;
  box-shadow: 0 0 40px rgba(108,184,255,0.35), inset 0 0 30px rgba(108,184,255,0.15);
}
@keyframes spin { to { transform: rotate(360deg); } }
.boot-title { font-size: 30px; letter-spacing: 14px; font-weight: 700; padding-left: 14px;
  background: linear-gradient(90deg, #cfe4ff, #6cb8ff 40%, #ff5e9c); -webkit-background-clip: text; background-clip: text; color: transparent; }
.boot-sub { color: var(--text-dim); font-size: 13px; letter-spacing: 3px; }
.boot-steps { display: flex; gap: 14px; font-size: 12px; color: #55617f; }
.boot-steps span::before { content: "◆ "; color: var(--accent); }
.boot-error { color: #ff8899; font-size: 15px; }

/* ============ 顶部导航 ============ */
#topnav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 22px;
  background: linear-gradient(180deg, rgba(5,6,15,0.88), rgba(5,6,15,0.25) 80%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
.nav-brand { font-weight: 800; letter-spacing: 3px; font-size: 17px; white-space: nowrap; }
.nav-brand .logo { color: var(--accent); text-shadow: 0 0 18px var(--accent); }
.brand-sub { font-size: 11px; font-weight: 400; color: var(--text-dim); margin-left: 10px; letter-spacing: 2px; }
.nav-menu { display: flex; gap: 6px; }
.nav-btn {
  background: rgba(255,255,255,0.05); color: var(--text-dim);
  border: 1px solid var(--panel-border); border-radius: 999px;
  padding: 7px 15px; font-size: 13px; transition: all .22s;
}
.nav-btn:hover { color: var(--text); border-color: var(--accent); box-shadow: 0 0 16px rgba(108,184,255,0.25); }
.nav-btn.active { color: #fff; background: linear-gradient(135deg, rgba(108,184,255,0.28), rgba(255,94,156,0.22)); border-color: var(--accent); }
.nav-right { display: flex; gap: 8px; align-items: center; }
.nav-vip-btn { color: var(--gold); border-color: rgba(255,209,102,0.4); }
.nav-vip-btn:hover { box-shadow: 0 0 16px rgba(255,209,102,0.3); }
.vip-badge {
  display: flex; align-items: center; gap: 6px;
  background: linear-gradient(135deg, rgba(255,209,102,0.18), rgba(255,150,60,0.12));
  border: 1px solid rgba(255,209,102,0.5); border-radius: 999px; padding: 5px 13px; font-size: 12px; color: var(--gold);
}

/* ============ 内容网格 ============ */
#content-area {
  position: fixed; inset: 74px 0 86px 0; z-index: 10; overflow-y: auto;
  padding: 10px 26px 30px; scrollbar-width: thin; scrollbar-color: #33406a transparent;
}
#grid-title { font-size: 22px; font-weight: 700; letter-spacing: 2px; margin: 10px 4px 16px; }
#grid-title::after { content: ""; display: block; width: 54px; height: 3px; margin-top: 8px;
  background: linear-gradient(90deg, var(--accent), var(--accent2)); border-radius: 2px; }
#content-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(216px, 1fr)); gap: 20px;
}
.grid-empty { grid-column: 1/-1; text-align: center; color: var(--text-dim); padding: 60px 0; }

.card {
  background: var(--panel); border: 1px solid var(--panel-border); border-radius: 16px;
  overflow: hidden; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.card:hover { transform: translateY(-5px) scale(1.015); border-color: rgba(108,184,255,0.55);
  box-shadow: 0 16px 42px rgba(0,0,0,0.5), 0 0 24px rgba(108,184,255,0.14); }
.card-cover { position: relative; aspect-ratio: 3/4; background: #0a0e1e; }
.card-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card-tag {
  position: absolute; top: 10px; right: 10px; font-size: 11px; font-weight: 700;
  padding: 3px 9px; border-radius: 999px; backdrop-filter: blur(6px);
}
.tag-price { background: rgba(255,94,156,0.85); color: #fff; }
.tag-owned { background: rgba(60,200,140,0.85); color: #06281a; }
.tag-vip { background: rgba(255,209,102,0.9); color: #3a2a00; }
.card-progress {
  position: absolute; left: 10px; bottom: 10px; font-size: 11px;
  background: rgba(5,8,18,0.75); padding: 3px 9px; border-radius: 999px; color: var(--accent);
}
.card-body { padding: 13px 14px 15px; }
.card-title { font-size: 15px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-sub { font-size: 12px; color: var(--text-dim); margin: 4px 0 6px; }
.card-desc { font-size: 12px; color: #7a86a6; line-height: 1.55; height: 37px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-btns { display: flex; gap: 8px; margin-top: 11px; align-items: center; }

.btn {
  border: 1px solid var(--panel-border); background: rgba(255,255,255,0.06); color: var(--text);
  border-radius: 999px; padding: 7px 14px; font-size: 12.5px; transition: all .2s;
}
.btn:hover { border-color: var(--accent); }
.btn-primary { background: linear-gradient(135deg, rgba(108,184,255,0.3), rgba(255,94,156,0.25)); border-color: var(--accent); }
.btn-primary:hover { box-shadow: 0 0 18px rgba(108,184,255,0.35); }
.btn-icon { padding: 7px 10px; }
.btn-sm { padding: 4px 11px; font-size: 11.5px; border-radius: 999px; }
.btn-secondary { background: rgba(255,255,255,0.08); border-color: var(--panel-border); }
.btn-secondary:hover { border-color: var(--accent); }
.btn-danger { color: #ff6b6b; border-color: rgba(255,107,107,0.4); }
.btn-danger:hover { box-shadow: 0 0 14px rgba(255,107,107,0.3); }
.btn-buy { color: var(--gold); border-color: rgba(255,209,102,0.4); }
.btn-vip { color: #3a2a00; background: linear-gradient(135deg, #ffd166, #ffab4c); border-color: transparent; font-weight: 700; }
.btn-ghost { background: transparent; }

/* RSS 订阅 */
#rss-box { display: none; flex-direction: column; gap: 8px; margin: 0 4px 16px; }
.rss-input {
  background: rgba(255,255,255,0.06); border: 1px solid var(--panel-border); color: var(--text);
  border-radius: 10px; padding: 10px 14px; font-size: 13px; outline: none; max-width: 560px;
}
.rss-input:focus { border-color: var(--accent); }
.rss-add { align-self: flex-start; }
.rss-sug { font-size: 12px; color: var(--text-dim); }
.rss-sug a { color: var(--accent); text-decoration: none; }
.rss-msg { font-size: 12px; color: var(--accent2); min-height: 16px; }

/* ============ 阅读器 v2 ============ */
#reader {
  position: fixed; inset: 0; z-index: 120; display: none; flex-direction: column;
  background: var(--r-paper); transition: background .4s;
  --r-ink: #33333d; --r-dim: #7a7466; --r-family: "PingFang SC","Noto Sans SC",sans-serif;
}
#reader.open { display: flex; }
.reader-toolbar {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 12px 22px; background: rgba(20,24,40,0.92); color: var(--text);
  backdrop-filter: blur(10px); z-index: 6;
}
.rt-title { font-weight: 700; letter-spacing: 1px; flex: 1; text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rt-group { display: flex; gap: 8px; align-items: center; position: relative; }
.rt-btn, .rt-amb {
  background: rgba(255,255,255,0.07); border: 1px solid var(--panel-border); color: var(--text);
  border-radius: 999px; padding: 6px 14px; font-size: 13px; cursor: pointer;
}
.rt-btn:hover { background: rgba(108,184,255,0.18); }
.rt-amb option { background: #131728; }

/* 正文视口：包住 TXT/EPUB/PDF 三套容器 */
.reader-viewport { position: relative; flex: 1; min-height: 0; }

/* ---- TXT 滚动模式 ---- */
.reader-content {
  position: absolute; inset: 0; overflow-y: auto; padding: 46px max(28px, calc(50vw - 430px)) 40px;
  color: var(--r-ink); font-size: var(--r-font); line-height: var(--r-line);
  font-family: var(--r-family); transition: font-size .25s, line-height .25s;
  display: none; align-items: flex-start; justify-content: center;
}
.reader-loading { text-align: center; margin: 25vh auto 0; font-size: 15px; color: var(--r-dim); letter-spacing: 1px; }
.chapter { max-width: 760px; margin: 0 auto 64px; }
.chapter h2, .rp-chapter h2 {
  font-size: calc(var(--r-font) * 1.4); margin-bottom: 26px; letter-spacing: 2px;
  border-bottom: 2px solid rgba(0,0,0,0.1); padding-bottom: 14px; color: var(--r-ink);
}
#reader.tone-dark .chapter h2, #reader.tone-dark .rp-chapter h2 { border-color: rgba(255,255,255,0.14); }
.chapter-body p, .rp-chapter .chapter-body p { text-indent: 2em; margin-bottom: 1.1em; }
.chapter.locked .chapter-body { display: none; }
.chapter-lock {
  text-align: center; padding: 60px 20px; border: 2px dashed rgba(0,0,0,0.18);
  border-radius: 18px; background: rgba(0,0,0,0.03); color: var(--r-ink);
}
#reader.tone-dark .chapter-lock { border-color: rgba(255,255,255,0.18); background: rgba(255,255,255,0.04); }
.lock-icon { font-size: 44px; }
.lock-title { font-size: 20px; font-weight: 700; margin: 12px 0 8px; }
.lock-sub { font-size: 13px; color: var(--r-dim); margin-bottom: 18px; }
.lock-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ---- TXT 分页模式（CSS 多列） ---- */
.rp-stage { position: absolute; inset: 0; display: none; overflow: hidden; }
.rp-flow {
  position: absolute; inset: 0 44px; column-gap: 56px; column-fill: auto;
  column-rule: none; transition: transform .32s cubic-bezier(.25,.8,.3,1);
  color: var(--r-ink); font-size: var(--r-font); line-height: var(--r-line);
  font-family: var(--r-family); will-change: transform;
}
.rp-chapter { break-inside: auto; margin: 0; padding: 34px 6px 40px; }
.rp-chapter[data-lock] { padding-top: 30vh; }
.rp-zone { position: absolute; top: 0; bottom: 0; width: 22%; cursor: pointer; z-index: 2; }
.rp-prev { left: 0; }
.rp-next { right: 0; }
.rp-zone::after {
  content: ""; position: absolute; top: 50%; width: 10px; height: 10px;
  border-top: 2px solid var(--r-dim); border-left: 2px solid var(--r-dim);
  opacity: 0; transition: opacity .2s; margin-top: -5px;
}
.rp-prev::after { left: 18px; transform: rotate(-45deg); }
.rp-next::after { right: 18px; transform: rotate(135deg); }
.rp-zone:hover::after { opacity: 0.55; }

/* ---- EPUB ---- */
.epub-box { position: absolute; inset: 0; display: none; }
.epub-lock {
  position: absolute; inset: 0; z-index: 5; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 6px; text-align: center;
  background: color-mix(in srgb, var(--r-paper) 92%, transparent);
  backdrop-filter: blur(3px); color: var(--r-ink); padding: 30px;
}

/* ---- PDF ---- */
.pdf-box { position: absolute; inset: 0; display: none; flex-direction: column; background: #23252e; }
.pdf-scroll { flex: 1; overflow: auto; display: flex; justify-content: center; padding: 18px; }
.pdf-canvas { border-radius: 4px; box-shadow: 0 8px 40px rgba(0,0,0,0.5); background: #fff; max-width: none; }
.pdf-hud {
  display: flex; align-items: center; gap: 10px; justify-content: center;
  padding: 10px; background: rgba(16,20,38,0.94); color: var(--text);
}
.pdf-scale-label { font-size: 12px; min-width: 38px; text-align: center; color: var(--text-dim); }
.pdf-page-input {
  width: 64px; text-align: center; background: rgba(255,255,255,0.08);
  border: 1px solid var(--panel-border); color: var(--text); border-radius: 8px;
  padding: 5px 6px; font-size: 13px; outline: none;
}
.pdf-page-total { font-size: 12px; color: var(--text-dim); }

/* ---- 页脚翻页器 ---- */
.reader-footer {
  display: flex; align-items: center; gap: 16px; padding: 10px 26px 14px;
  background: rgba(20,24,40,0.92); color: var(--text); backdrop-filter: blur(10px); z-index: 6;
}
.rf-btn {
  background: rgba(255,255,255,0.07); border: 1px solid var(--panel-border); color: var(--text);
  border-radius: 999px; padding: 7px 18px; font-size: 13px; cursor: pointer; white-space: nowrap;
}
.rf-btn:hover { background: rgba(108,184,255,0.18); }
.rf-mid { flex: 1; display: flex; flex-direction: column; gap: 6px; align-items: center; }
.rf-progress { width: 100%; max-width: 520px; height: 3px; border-radius: 3px; background: rgba(255,255,255,0.12); overflow: hidden; }
.rf-bar { height: 100%; width: 0; background: linear-gradient(90deg, #6cb8ff, #a78bfa); transition: width .3s; }
.rf-label { font-size: 12px; color: var(--text-dim); letter-spacing: 1px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 60vw; }

/* ---- Aa 设置弹层 ---- */
.reader-settings {
  position: absolute; top: 54px; right: 18px; z-index: 9; width: 290px;
  background: rgba(24,28,48,0.97); border: 1px solid var(--panel-border); border-radius: 16px;
  padding: 16px 18px; color: var(--text); backdrop-filter: blur(14px);
  box-shadow: 0 18px 50px rgba(0,0,0,0.45);
  opacity: 0; transform: translateY(-8px) scale(0.97); pointer-events: none;
  transition: opacity .22s, transform .22s;
}
.reader-settings.open { opacity: 1; transform: none; pointer-events: auto; }
.rs-row { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.rs-row:last-child { margin-bottom: 2px; }
.rs-label { font-size: 12px; color: var(--text-dim); width: 34px; flex-shrink: 0; }
.rs-step {
  width: 40px; height: 30px; border-radius: 8px; border: 1px solid var(--panel-border);
  background: rgba(255,255,255,0.07); color: var(--text); font-size: 13px; cursor: pointer;
}
.rs-step:hover { background: rgba(108,184,255,0.18); }
.rs-val { min-width: 40px; text-align: center; font-size: 13px; }
.rs-opts { display: flex; gap: 8px; flex: 1; flex-wrap: wrap; }
.rs-opts button {
  border: 1px solid var(--panel-border); background: rgba(255,255,255,0.07); color: var(--text);
  border-radius: 8px; padding: 5px 12px; font-size: 12px; cursor: pointer;
}
.rs-opts button.on { border-color: var(--accent); background: rgba(108,184,255,0.22); }
.rs-tones button { width: 30px; height: 30px; border-radius: 50%; padding: 0; border: 2px solid rgba(255,255,255,0.25); }
.rs-tones button.on { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(108,184,255,0.3); }

.reader-toc {
  position: fixed; left: 0; top: 52px; bottom: 0; width: 300px; z-index: 130;
  background: rgba(16,20,38,0.96); backdrop-filter: blur(14px);
  transform: translateX(-100%); transition: transform .3s; overflow-y: auto; padding: 18px;
  border-right: 1px solid var(--panel-border);
}
.reader-toc.open { transform: none; }
.toc-head { color: var(--accent); font-weight: 700; margin-bottom: 14px; font-size: 14px; letter-spacing: 1px; }
.toc-item { color: var(--text-dim); font-size: 13px; padding: 9px 10px; border-radius: 8px; cursor: pointer; }
.toc-item:hover { background: rgba(108,184,255,0.12); color: var(--text); }
.toc-locked { opacity: 0.5; }

/* ============ 3D 书本 ============ */
#book3d {
  position: fixed; inset: 52px 0 0 0; z-index: 125; display: none;
  background: radial-gradient(100% 80% at 50% 30%, rgba(30,40,80,0.4), rgba(5,6,15,0.9));
}
#book3d.open { display: block; }
.b3d-canvas { width: 100%; height: 100%; display: block; }
.b3d-head {
  position: absolute; top: 14px; left: 50%; transform: translateX(-50%); z-index: 2;
  display: flex; gap: 18px; font-size: 13px; color: var(--text-dim); letter-spacing: 1px;
  background: rgba(5,8,18,0.55); padding: 7px 20px; border-radius: 999px; backdrop-filter: blur(8px);
}

/* ============ 视频影院 ============ */
#theater {
  position: fixed; inset: 0; z-index: 150; display: none; flex-direction: column;
  background: #02030a; transition: background .5s;
}
#theater.open { display: flex; }
.th-bar {
  display: flex; align-items: center; justify-content: space-between; padding: 12px 22px;
  background: rgba(10,12,26,0.9); z-index: 3;
}
.th-title { font-size: 14px; color: var(--text-dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.th-btn {
  background: rgba(255,255,255,0.07); border: 1px solid var(--panel-border); color: var(--text);
  border-radius: 999px; padding: 7px 16px; font-size: 13px;
}
.th-stage { flex: 1; position: relative; display: flex; align-items: center; justify-content: center; overflow: hidden; }
#video-el { max-width: 100%; max-height: 100%; outline: none; }
.th-vignette { position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .6s;
  background: radial-gradient(ellipse at center, transparent 52%, rgba(0,0,0,0.88) 100%); }
#theater.cinema .th-vignette { opacity: 1; }
#theater.cinema { background: #000; }
#theater.cinema .th-bar, #theater.cinema .th-ctrl { opacity: 0.25; transition: opacity .4s; }
#theater.cinema .th-bar:hover, #theater.cinema .th-ctrl:hover { opacity: 1; }
.th-lock {
  position: absolute; inset: 0; z-index: 4; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 6px;
  background: rgba(2,3,10,0.82); backdrop-filter: blur(8px);
}
.th-trial-tip {
  position: absolute; top: 18px; left: 50%; transform: translateX(-50%); z-index: 4;
  background: rgba(255,94,156,0.85); color: #fff; font-size: 13px;
  padding: 7px 18px; border-radius: 999px; backdrop-filter: blur(6px);
}
.th-ctrl {
  display: flex; align-items: center; gap: 16px; padding: 14px 22px;
  background: rgba(10,12,26,0.92); z-index: 3;
}
.th-bar2 { flex: 1; height: 6px; background: rgba(255,255,255,0.12); border-radius: 3px; cursor: pointer; }
.th-prog { height: 100%; width: 0; border-radius: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2)); }
.th-time { font-size: 12px; color: var(--text-dim); min-width: 100px; text-align: right; }

/* ============ 迷你播放器 ============ */
#mini-player {
  position: fixed; left: 50%; bottom: 16px; transform: translateX(-50%); z-index: 110;
  width: min(860px, calc(100vw - 28px));
  display: flex; align-items: center; gap: 14px;
  background: var(--panel); border: 1px solid var(--panel-border); border-radius: 18px;
  padding: 10px 18px; backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 18px 50px rgba(0,0,0,0.55);
}
.mp-cover { width: 46px; height: 46px; border-radius: 10px; overflow: hidden; flex-shrink: 0; background: #0a0e1e; }
.mp-cover img { width: 100%; height: 100%; object-fit: cover; }
.mp-info { min-width: 130px; max-width: 190px; }
.mp-title { font-size: 13.5px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mp-sub { font-size: 11px; color: var(--text-dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mp-center { flex: 1; display: flex; align-items: center; gap: 10px; }
.mp-btn {
  background: rgba(255,255,255,0.07); border: 1px solid transparent; color: var(--text);
  border-radius: 999px; min-width: 34px; height: 34px; font-size: 14px; transition: all .2s;
}
.mp-btn:hover { border-color: var(--accent); }
.mp-play { background: linear-gradient(135deg, rgba(108,184,255,0.35), rgba(255,94,156,0.3)); font-size: 15px; }
.mp-bar-wrap { flex: 1; display: flex; align-items: center; gap: 10px; }
.mp-time { font-size: 11px; color: var(--text-dim); min-width: 36px; }
.mp-bar { flex: 1; height: 5px; background: rgba(255,255,255,0.14); border-radius: 3px; cursor: pointer; position: relative; }
.mp-prog { height: 100%; width: 0; border-radius: 3px; position: relative;
  background: linear-gradient(90deg, var(--accent), var(--accent2)); }
.mp-knob { position: absolute; right: -6px; top: 50%; transform: translateY(-50%);
  width: 12px; height: 12px; border-radius: 50%; background: #fff; box-shadow: 0 0 10px var(--accent); }
.mp-right { display: flex; gap: 6px; }
.mp-vis { font-size: 12px; padding: 0 12px; height: 32px; }
.mp-trial { position: absolute; top: -22px; right: 18px; font-size: 11.5px; color: var(--gold); letter-spacing: 1px; }

/* ============ 参数面板 ============ */
#params-panel {
  position: fixed; top: 66px; right: 0; bottom: 96px; width: 348px; z-index: 140;
  background: var(--panel); border: 1px solid var(--panel-border); border-right: none;
  border-radius: 18px 0 0 18px; backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  transform: translateX(105%); transition: transform .35s cubic-bezier(.2,.8,.2,1);
  display: flex; flex-direction: column; box-shadow: -20px 0 60px rgba(0,0,0,0.5);
}
#params-panel.open { transform: none; }
.pp-head { display: flex; justify-content: space-between; align-items: center; padding: 16px 18px 10px; }
.pp-title { font-weight: 700; letter-spacing: 1px; font-size: 15px; }
.pp-close { background: none; border: none; color: var(--text-dim); font-size: 22px; }
.pp-presets { display: flex; gap: 7px; padding: 4px 16px 10px; flex-wrap: wrap; }
.preset-btn {
  flex: 1; min-width: 72px; background: rgba(255,255,255,0.06); border: 1px solid var(--panel-border);
  color: var(--text); border-radius: 10px; padding: 8px 4px; font-size: 12px;
}
.preset-btn:hover { border-color: var(--accent2); color: #fff; }
.pp-quality, .pp-visual { display: flex; align-items: center; gap: 7px; padding: 4px 16px; flex-wrap: wrap; }
.pp-label { font-size: 12px; color: var(--text-dim); width: 100%; }
.q-btn, .v-btn {
  background: rgba(255,255,255,0.06); border: 1px solid var(--panel-border); color: var(--text-dim);
  border-radius: 999px; padding: 5px 12px; font-size: 11.5px;
}
.q-btn.active, .v-btn.active { color: #fff; border-color: var(--accent); background: rgba(108,184,255,0.2); }
.pp-body { flex: 1; overflow-y: auto; padding: 6px 16px 12px; scrollbar-width: thin; }
.pp-group { margin-bottom: 16px; }
.pp-group-title { font-size: 12px; color: var(--accent); letter-spacing: 2px; margin: 12px 0 6px; }
.pp-row { display: flex; align-items: center; gap: 10px; padding: 5px 0; }
.pp-name { width: 108px; font-size: 12.5px; color: var(--text-dim); flex-shrink: 0; }
.pp-row input[type=range] { flex: 1; accent-color: var(--accent); height: 4px; }
.pp-val { width: 48px; text-align: right; font-size: 11.5px; color: var(--accent); font-variant-numeric: tabular-nums; }
.pp-enum { display: flex; gap: 6px; flex: 1; }
.enum-btn {
  flex: 1; background: rgba(255,255,255,0.06); border: 1px solid var(--panel-border);
  color: var(--text-dim); border-radius: 8px; padding: 5px 0; font-size: 11.5px;
}
.enum-btn.active { color: #fff; border-color: var(--accent2); background: rgba(255,94,156,0.16); }
.pp-foot { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-top: 1px solid var(--panel-border); }
.pp-note { font-size: 10.5px; color: #66708c; line-height: 1.5; }

/* ============ 支付 / VIP 面板 ============ */
.pay-overlay, .vip-overlay {
  position: fixed; inset: 0; z-index: 400; background: rgba(3,4,12,0.72);
  backdrop-filter: blur(10px); display: flex; align-items: center; justify-content: center;
  animation: fadeIn .25s ease;
}
@keyframes fadeIn { from { opacity: 0; } }
.pay-modal, .vip-modal {
  width: min(430px, calc(100vw - 40px)); background: #0e1326;
  border: 1px solid var(--panel-border); border-radius: 20px; overflow: hidden;
  box-shadow: 0 40px 120px rgba(0,0,0,0.7); animation: popIn .3s cubic-bezier(.2,.9,.3,1.2);
}
@keyframes popIn { from { transform: scale(.92); opacity: 0; } }
.pay-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 20px; background: linear-gradient(90deg, rgba(108,184,255,0.14), rgba(255,94,156,0.1));
  border-bottom: 1px solid var(--panel-border);
}
.pay-brand { font-size: 12.5px; letter-spacing: 2px; color: var(--accent); font-weight: 700; }
.pay-close { background: none; border: none; color: var(--text-dim); font-size: 22px; line-height: 1; }
.pay-body, .vip-body { padding: 22px 24px 26px; }
.pay-title { font-size: 17px; font-weight: 700; }
.pay-desc { font-size: 12.5px; color: var(--text-dim); margin: 8px 0 14px; line-height: 1.6; }
.pay-amount { font-size: 40px; font-weight: 800; letter-spacing: 1px;
  background: linear-gradient(90deg, #ffd166, #ff9e5e); -webkit-background-clip: text; background-clip: text; color: transparent; }
.pay-cur { font-size: 14px; margin-left: 8px; color: var(--text-dim); -webkit-text-fill-color: var(--text-dim); }
.pay-tabs { display: flex; gap: 8px; margin: 18px 0 14px; }
.pay-tab { flex: 1; background: rgba(255,255,255,0.05); border: 1px solid var(--panel-border);
  color: var(--text-dim); border-radius: 10px; padding: 9px 0; font-size: 13px; }
.pay-tab.active { color: #fff; border-color: var(--accent); background: rgba(108,184,255,0.14); }
.pay-pane label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--text-dim); margin-bottom: 10px; }
.pay-row { display: flex; gap: 10px; }
.pay-row label { flex: 1; }
.pay-input {
  background: rgba(255,255,255,0.06); border: 1px solid var(--panel-border); color: var(--text);
  border-radius: 10px; padding: 10px 13px; font-size: 14px; outline: none; width: 100%;
  font-variant-numeric: tabular-nums;
}
.pay-input:focus { border-color: var(--accent); }
.pay-qr { width: 168px; height: 168px; margin: 4px auto 10px; padding: 12px;
  background: #fff; border-radius: 12px; }
.pay-qr-grid { display: grid; grid-template-columns: repeat(9, 1fr); grid-template-rows: repeat(9, 1fr); gap: 2px; height: 100%; }
.pay-qr-grid i { background: transparent; }
.pay-qr-grid i.on { background: #111; border-radius: 1px; }
.pay-qr-tip { text-align: center; font-size: 12px; color: var(--text-dim); margin-bottom: 6px; }
.pay-go {
  width: 100%; margin-top: 8px; border: none; border-radius: 12px; padding: 13px 0;
  font-size: 15px; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, #4d9fff, #ff5e9c); transition: filter .2s;
}
.pay-go:hover { filter: brightness(1.12); }
.pay-go:disabled { filter: grayscale(0.5) brightness(0.8); cursor: wait; }
.pay-status { text-align: center; font-size: 13px; margin-top: 12px; min-height: 20px; color: var(--text-dim); }
.pay-status.ok { color: #4dd897; }
.pay-status.err { color: #ff8899; }

/* ---- 收款码支付（微信/支付宝，无银行卡） ---- */
.pay-order-info { display: flex; gap: 10px; margin: 16px 0 2px; }
.pay-order-info > div {
  flex: 1; display: flex; justify-content: space-between; align-items: center;
  background: rgba(255,255,255,0.05); border: 1px solid var(--panel-border); border-radius: 8px;
  padding: 9px 12px; font-size: 12px; color: var(--text-dim);
}
.pay-order-info b { color: var(--text); font-size: 13px; letter-spacing: .5px; }
.pay-tab .ch-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 7px; vertical-align: 1px; }
.pay-tab[data-ch="wechat"] .ch-dot { background: #07C160; }
.pay-tab[data-ch="alipay"] .ch-dot { background: #1677ff; }
.pay-qr { position: relative; width: 190px; height: 190px; margin: 16px auto 10px; padding: 14px;
  background: #fff; border-radius: 12px; border: 1px solid var(--panel-border); }
.pay-qr-img { display: none; width: 100%; height: 100%; object-fit: contain; }
.pay-qr.has-img .pay-qr-img { display: block; }
.pay-qr.has-img .pay-qr-grid, .pay-qr.has-img .pay-qr-empty { display: none; }
.pay-qr-grid { opacity: .15; filter: grayscale(1); }
.pay-qr-empty {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px; font-size: 11px; color: #99a; text-align: center; line-height: 1.7;
  background: rgba(255,255,255,.94); border-radius: 12px;
}
.pay-qr-empty b { font-size: 12.5px; color: #556; letter-spacing: 1px; }
.pay-note { margin-top: 14px; font-size: 11px; color: var(--text-dim); text-align: center; line-height: 1.7; opacity: .85; }

/* VIP 面板 */
.vip-hero { text-align: center; font-size: 20px; font-weight: 800; color: var(--gold); letter-spacing: 2px; margin-bottom: 6px; }
.vip-sub { font-size: 12.5px; color: var(--text-dim); font-weight: 400; letter-spacing: 1px; margin-top: 8px; }
.vip-plans { display: flex; gap: 14px; margin-top: 16px; }
.vip-plan {
  flex: 1; text-align: center; border: 1px solid var(--panel-border); border-radius: 16px;
  padding: 20px 14px; position: relative; background: rgba(255,255,255,0.03);
}
.vip-plan-hot { border-color: rgba(255,209,102,0.55); background: rgba(255,209,102,0.06); }
.vp-badge { position: absolute; top: -10px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, #ffd166, #ff9e5e); color: #3a2a00; font-size: 11px; font-weight: 700;
  padding: 3px 12px; border-radius: 999px; }
.vp-name { font-size: 14px; color: var(--text-dim); margin-bottom: 8px; }
.vp-price { font-size: 30px; font-weight: 800; color: var(--gold); }
.vp-price span { font-size: 12px; color: var(--text-dim); font-weight: 400; }
.vp-list { font-size: 12px; color: var(--text-dim); line-height: 2; margin: 12px 0 16px; text-align: left; display: inline-block; }
.vip-active-box { text-align: center; font-size: 13px; color: var(--text-dim); padding: 14px;
  border: 1px solid rgba(255,209,102,0.35); border-radius: 14px; background: rgba(255,209,102,0.06); margin-top: 14px; }
.vip-cd { color: var(--gold); font-size: 16px; font-weight: 700; margin: 8px 0 10px; }

/* ============ 调试视图 ============ */
#debug-overlay {
  position: fixed; left: 16px; top: 76px; z-index: 200; width: 340px;
  background: rgba(5,8,18,0.88); border: 1px solid rgba(108,184,255,0.3); border-radius: 14px;
  padding: 14px 16px; font-family: "SF Mono", Menlo, Consolas, monospace; font-size: 12px;
  display: none; max-height: 70vh; overflow-y: auto; backdrop-filter: blur(12px);
}
#debug-overlay.open { display: block; animation: fadeIn .2s; }
.dbg-title { color: var(--accent); font-weight: 700; margin-bottom: 10px; letter-spacing: 1px; }
.dbg-line { color: #c9d4f0; line-height: 1.9; white-space: pre-wrap; }
.dbg-tree { color: #8fa3cf; line-height: 1.8; padding-left: 6px; }
.dbg-dim { color: #55617f; }
.dbg-canvas { width: 100%; height: auto; border-radius: 8px; margin-top: 8px; border: 1px solid #2a3a66; }

/* ============ Toast ============ */
#toast {
  position: fixed; bottom: 106px; left: 50%; transform: translateX(-50%) translateY(16px); z-index: 500;
  background: rgba(14,19,38,0.94); border: 1px solid var(--panel-border); color: var(--text);
  padding: 11px 24px; border-radius: 999px; font-size: 13px; opacity: 0; pointer-events: none;
  transition: all .35s; backdrop-filter: blur(10px); box-shadow: 0 10px 36px rgba(0,0,0,0.5);
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ============ 响应式 ============ */
@media (max-width: 900px) {
  .nav-menu { gap: 2px; } .nav-btn { padding: 6px 9px; font-size: 12px; }
  .brand-sub { display: none; }
  #content-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 13px; }
  #content-area { padding: 10px 14px 30px; inset: 66px 0 92px 0; }
  #params-panel { width: min(320px, 88vw); }
  .mp-info { display: none; }
  .mp-vis { display: none; }
  #mini-player { bottom: 10px; padding: 8px 12px; gap: 8px; }
  .reader-content { padding: 30px 20px 40px; }
  .rp-flow { inset: 0 18px; }
  .reader-settings { right: 10px; width: min(280px, 92vw); }
  .rf-btn { padding: 7px 12px; font-size: 12px; }
  .reader-footer { gap: 8px; padding: 10px 12px 12px; }
  .vip-plans { flex-direction: column; }
}
@media (max-width: 560px) {
  .nav-brand { font-size: 13px; letter-spacing: 2px; }
  #topnav { padding: 10px 10px; flex-wrap: wrap; gap: 6px; }
  .nav-menu { order: 3; width: 100%; justify-content: space-between; }
}

/* ============ 用户系统：登录/注册/用户菜单 ============ */
.nav-upload-btn { color: var(--accent); border-color: rgba(108,184,255,0.35); }
.nav-upload-btn:hover { box-shadow: 0 0 14px rgba(108,184,255,0.3); }
.nav-user { position: relative; }
.user-dropdown {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 190px; z-index: 300;
  background: rgba(14,19,38,0.97); border: 1px solid var(--panel-border); border-radius: 12px;
  padding: 8px; box-shadow: 0 16px 48px rgba(0,0,0,0.55); backdrop-filter: blur(14px);
}
.ud-head { padding: 8px 12px 10px; border-bottom: 1px solid var(--panel-border); margin-bottom: 6px; }
.ud-name { font-size: 14px; font-weight: 700; }
.ud-role { font-size: 11px; color: var(--text-dim); margin-top: 2px; }
.ud-item {
  display: flex; width: 100%; gap: 8px; padding: 9px 12px; border: none; background: none;
  color: var(--text-dim); font-size: 13px; border-radius: 8px; cursor: pointer; text-align: left;
}
.ud-item:hover { background: rgba(108,184,255,0.12); color: var(--text); }

/* 登录/注册弹窗 */
.auth-overlay { z-index: 420; }
.auth-modal { width: min(460px, 92vw); background: rgba(12,17,34,0.97); border: 1px solid var(--panel-border); border-radius: 16px; overflow: hidden; box-shadow: 0 24px 80px rgba(0,0,0,0.6); }
.auth-tabs { display: flex; border-bottom: 1px solid var(--panel-border); }
.auth-tab { flex: 1; padding: 13px 0; background: none; border: none; color: var(--text-dim); font-size: 14px; cursor: pointer; letter-spacing: 4px; }
.auth-tab.active { color: var(--accent); border-bottom: 2px solid var(--accent); font-weight: 700; }
.auth-body { padding: 22px 24px 24px; }
.form-row { display: flex; gap: 12px; }
.form-row .form-group { flex: 1; }
.form-group { margin-bottom: 14px; }
.form-label { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 6px; }
.auth-input {
  width: 100%; background: rgba(255,255,255,0.05); border: 1px solid var(--panel-border);
  border-radius: 10px; padding: 11px 14px; color: var(--text); font-size: 13.5px; outline: none;
  transition: border .15s; box-sizing: border-box;
}
.auth-input:focus { border-color: var(--accent); }
.up-textarea { resize: vertical; min-height: 56px; }
.auth-msg { min-height: 18px; font-size: 12.5px; color: var(--danger, #ff6b6b); margin: 2px 0 10px; }
.auth-submit { width: 100%; padding: 12px; font-size: 14px; letter-spacing: 6px; }
.auth-tip { margin-top: 16px; font-size: 12px; color: var(--text-dim); text-align: center; line-height: 1.8; }
.grid-link { color: var(--accent); text-decoration: underline; cursor: pointer; }

/* ============ 上传弹窗 ============ */
.upload-overlay { z-index: 420; }
.upload-modal { width: min(520px, 94vw); background: rgba(12,17,34,0.97); border: 1px solid var(--panel-border); border-radius: 16px; overflow: hidden; box-shadow: 0 24px 80px rgba(0,0,0,0.6); }
.up-body { padding: 20px 22px 24px; }
.up-drop {
  border: 1.5px dashed var(--panel-border); border-radius: 14px; padding: 30px 16px;
  text-align: center; cursor: pointer; transition: all .2s; margin-bottom: 16px;
}
.up-drop:hover, .up-drop.drag { border-color: var(--accent); background: rgba(108,184,255,0.06); }
.up-drop.has-file { border-color: var(--green, #00b894); background: rgba(0,184,148,0.06); }
.up-drop-icon { font-size: 34px; }
.up-drop-txt { font-size: 14px; margin-top: 6px; }
.up-drop-sub { font-size: 11.5px; color: var(--text-dim); margin-top: 6px; }
.up-file-info { background: rgba(108,184,255,0.08); border: 1px solid rgba(108,184,255,0.25); border-radius: 10px; padding: 10px 14px; margin-bottom: 16px; font-size: 13px; }
.up-meta { font-size: 12px; color: var(--text-dim); margin-top: 3px; }
.up-msg { min-height: 18px; font-size: 12.5px; color: var(--danger, #ff6b6b); margin: 2px 0 10px; }
.up-submit { width: 100%; padding: 12px; font-size: 14px; letter-spacing: 4px; }
.up-submit:disabled { opacity: 0.45; cursor: not-allowed; }

/* ============ 批量上传文件列表 ============ */
.up-files { margin: 14px 0 4px; max-height: 240px; overflow-y: auto; display: flex; flex-direction: column; gap: 8px; }
.up-row { display: flex; align-items: center; gap: 10px; background: rgba(108,184,255,0.06); border: 1px solid rgba(108,184,255,0.18); border-radius: 10px; padding: 8px 10px; }
.up-row-idx { flex-shrink: 0; width: 20px; height: 20px; border-radius: 50%; background: rgba(108,184,255,0.18); color: var(--accent, #6cb8ff); font-size: 11px; display: flex; align-items: center; justify-content: center; }
.up-row-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.up-row-title { width: 100%; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); border-radius: 6px; color: var(--text, #e8eefc); font-size: 12.5px; padding: 5px 8px; outline: none; }
.up-row-title:focus { border-color: var(--accent, #6cb8ff); }
.up-row-title:disabled { opacity: 0.6; }
.up-row-meta { font-size: 11px; color: var(--text-dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.up-row-type { flex-shrink: 0; width: 84px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); border-radius: 6px; color: var(--text, #e8eefc); font-size: 12px; padding: 5px 4px; outline: none; }
.up-row-st { flex-shrink: 0; width: 20px; text-align: center; font-size: 13px; }
.up-row-del { flex-shrink: 0; width: 24px; height: 24px; border-radius: 6px; border: none; background: rgba(255,107,107,0.12); color: var(--danger, #ff6b6b); font-size: 15px; cursor: pointer; line-height: 1; }
.up-row-del:hover { background: rgba(255,107,107,0.25); }
.up-row-del:disabled { opacity: 0.4; cursor: not-allowed; }

/* ============ 我的上传网格 ============ */
.upload-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.upload-card { display: flex; gap: 14px; }
.up-cover { position: relative; width: 86px; flex-shrink: 0; }
.up-cover img { width: 86px; height: 118px; border-radius: 8px; object-fit: cover; background: var(--panel-bg2, #12182e); }
.up-status {
  position: absolute; left: 0; right: 0; bottom: 6px; text-align: center; font-size: 10.5px;
  padding: 3px 0; border-radius: 5px; backdrop-filter: blur(6px); letter-spacing: 1px;
}
.st-pend { background: rgba(243,156,18,0.85); color: #fff; }
.st-ok { background: rgba(0,184,148,0.88); color: #fff; }
.st-no { background: rgba(231,76,60,0.88); color: #fff; }
.upc-body { flex: 1; min-width: 0; }
.up-type { font-size: 11px; color: var(--text-dim); letter-spacing: 1px; }
.up-title { font-size: 15px; font-weight: 700; margin: 4px 0 2px; }
.up-meta { font-size: 11.5px; color: var(--text-dim); }
.up-desc { font-size: 12px; color: var(--text-dim); margin-top: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.up-reason { font-size: 12px; color: var(--danger, #ff6b6b); margin-top: 8px; background: rgba(231,76,60,0.1); border-radius: 6px; padding: 6px 10px; }
.upc-body .btn { margin-top: 10px; margin-right: 6px; }