/* ===== 门户统一主题：暗色海军蓝 + 黑白灰 + 蓝/绿点缀 ===== */
:root {
  --bg-0: #06122b;
  --bg-1: #0a1c3e;
  --bg-2: #0f2a55;
  --ink: #eaf1ff;
  --ink-dim: #9fb3d6;
  --line: rgba(255, 255, 255, 0.12);
  --glass: rgba(255, 255, 255, 0.06);
  --glass-hover: rgba(255, 255, 255, 0.12);
  --blue: #2b6cb0;
  --green: #2f855a;
  --gold: #f6c453;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html, body { height: 100%; }

body {
  font-family: var(--font);
  color: var(--ink);
  background:
    /* 暗角：聚焦中心，压暗四角 */
    radial-gradient(ellipse at center, transparent 0%, transparent 50%, rgba(6, 18, 43, 0.55) 100%) center / cover no-repeat,
    /* 海浪：青绿层浪 + 金色波棱（占 viewport 底部约 38%） */
    url("data:image/svg+xml;base64,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") center bottom / 100% 38% no-repeat,
    /* 隐约围棋盘格（如觉干扰可删除这一层） */
    url("data:image/svg+xml;base64,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") center / cover no-repeat,
    /* 金色月光：左上氛围光 */
    radial-gradient(280px 280px at 12% 5%, rgba(246, 196, 83, 0.35), transparent 70%) no-repeat,
    /* 右上蓝光晕 */
    radial-gradient(1200px 600px at 80% -10%, rgba(43, 108, 176, 0.40), transparent 60%) no-repeat,
    /* 左下青绿光晕 */
    radial-gradient(900px 900px at -2% 110%, rgba(47, 133, 90, 0.30), transparent 55%) no-repeat,
    /* 深蓝基底 */
    linear-gradient(160deg, var(--bg-1) 0%, var(--bg-0) 100%) no-repeat;
  background-color: var(--bg-0);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===== 装饰：漂浮的黑白棋子 ===== */
.stones { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.stone {
  position: absolute; width: 46px; height: 46px; border-radius: 50%;
  opacity: 0.18; filter: blur(0.3px);
}
.stone.white { background: radial-gradient(circle at 35% 30%, #ffffff, #c9d6ee 70%, #9fb3d6); }
.stone.black { background: radial-gradient(circle at 35% 30%, #4a4a55, #11131a 70%, #000); }
.s1 { top: 12%; left: 8%; animation: float 9s ease-in-out infinite; }
.s2 { top: 22%; right: 12%; width: 32px; height: 32px; animation: float 11s ease-in-out infinite; }
.s3 { bottom: 18%; left: 16%; width: 38px; height: 38px; animation: float 13s ease-in-out infinite; }
.s4 { bottom: 26%; right: 20%; width: 26px; height: 26px; animation: float 8s ease-in-out infinite; }
.s5 { top: 50%; left: 50%; width: 20px; height: 20px; opacity: 0.1; animation: float 15s ease-in-out infinite; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-18px); }
}

/* ===== 布局 ===== */
.wrap {
  position: relative; z-index: 1;
  max-width: 760px; margin: 0 auto;
  padding: 56px 20px 72px;
}

.brand { text-align: center; margin-bottom: 40px; }
.stones-row { font-size: 26px; letter-spacing: 6px; margin-bottom: 14px; opacity: 0.9; }
.title {
  font-size: 38px; font-weight: 800; line-height: 1.1; letter-spacing: 0.5px;
  background: linear-gradient(90deg, #ffffff, #cfe0ff 60%, var(--gold));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.title .accent { display: block; font-size: 30px; margin-top: 4px; }
.tagline { margin-top: 14px; color: var(--ink-dim); font-size: 15px; }

.sec-title {
  font-size: 16px; color: var(--ink-dim); font-weight: 600;
  margin: 8px 4px 16px; letter-spacing: 1px;
}

/* ===== 应用卡片网格 ===== */
.app-grid {
  display: grid; gap: 14px;
  grid-template-columns: 1fr;
}
.app-card {
  --accent: var(--blue);
  --icon-bg: rgba(255,255,255,.06);
  --icon-border: rgba(255,255,255,.22);
  --chip-bg: rgba(255,255,255,.06);
  display: flex; align-items: center; gap: 14px;
  text-decoration: none; color: inherit;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px 12px 18px;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
  position: relative; overflow: hidden;
  min-height: 76px;
}
.app-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: var(--accent); border-radius: 4px 0 0 4px;
}
.app-card:hover, .app-card:active {
  transform: translateX(3px);
  background: var(--glass-hover);
  border-color: var(--accent);
}
.app-icon-wrap {
  flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--icon-bg);
  border: 1px solid var(--icon-border);
  transition: transform .2s ease, background .2s ease;
}
.app-card:hover .app-icon-wrap { transform: scale(1.06); background: var(--chip-bg); }
.app-icon { font-size: 24px; line-height: 1; display: block; }
.app-text { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.app-name {
  font-size: 16px; font-weight: 700; letter-spacing: 0.3px;
  color: var(--ink);
  text-shadow: 0 1px 0 rgba(0,0,0,.18);
  display: flex; align-items: center; gap: 8px;
}
.app-name::before {
  content: ""; width: 5px; height: 14px; border-radius: 2px; background: var(--accent); flex: none;
}
.app-desc {
  font-size: 12.5px; color: var(--ink-dim);
  line-height: 1.45;
  display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.app-go {
  flex: none;
  display: inline-flex; align-items: center; gap: 2px;
  padding: 7px 12px; border-radius: 999px;
  background: var(--chip-bg); color: var(--accent);
  font-size: 13px; font-weight: 600; letter-spacing: 0.5px;
  transition: background .18s ease, transform .18s ease;
}
.app-go .arrow {
  font-size: 16px; line-height: 1; font-weight: 700;
  transition: transform .18s ease;
}
.app-card:hover .app-go .arrow { transform: translateX(2px); }
.app-card:active .app-go { transform: scale(.97); }

/* ===== 管理员入口（页面底部，随页面滚动） ===== */
.admin-entry {
  position: static; z-index: 1;
  display: flex; align-items: center; gap: 5px;
  width: fit-content; margin: 22px auto 0;
  padding: 5px 12px; border-radius: 999px;
  background: rgba(10, 28, 62, 0.55);
  border: 1px solid var(--line);
  color: var(--ink-dim); text-decoration: none; font-size: 11px;
  box-shadow: var(--shadow); backdrop-filter: blur(6px);
  transition: color 0.15s, border-color 0.15s, opacity 0.15s;
  opacity: .7;
}
.admin-entry:hover { color: var(--ink); border-color: var(--blue); opacity: 1; }
.admin-entry .ai { font-size: 12px; }
.admin-entry .ai svg { width: 12px; height: 12px; }

/* ===== 弹窗 ===== */
.modal-mask {
  position: fixed; inset: 0; background: rgba(3, 8, 20, 0.6);
  backdrop-filter: blur(3px); z-index: 20;
}
.modal-box {
  position: fixed; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: min(360px, 90vw); z-index: 21;
  background: linear-gradient(160deg, var(--bg-2), var(--bg-1));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; box-shadow: var(--shadow);
}
.modal-x {
  position: absolute; right: 12px; top: 10px;
  width: 32px; height: 32px; border: none; border-radius: 50%;
  background: transparent; color: var(--ink-dim); font-size: 22px; cursor: pointer;
}
.modal-x:hover { color: var(--ink); background: var(--glass); }
.modal-title { font-size: 18px; font-weight: 700; margin-bottom: 18px; }

/* ===== 表单 ===== */
.fld { display: block; margin-bottom: 14px; }
.fld span { display: block; font-size: 13px; color: var(--ink-dim); margin-bottom: 6px; }
.fld input {
  width: 100%; padding: 12px 14px; font-size: 15px;
  color: var(--ink); background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line); border-radius: 10px; outline: none;
}
.fld input:focus { border-color: var(--blue); }
.form-err { color: #ff8585; font-size: 13px; min-height: 18px; margin-bottom: 6px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid var(--line); border-radius: 10px; padding: 11px 18px;
  font-size: 15px; font-weight: 600; cursor: pointer; background: var(--glass);
  color: var(--ink); line-height: 1.2;
  transition: background .15s, border-color .15s, color .15s;
}
.btn:hover { border-color: var(--blue); color: #fff; }
.btn-primary {
  width: 100%; padding: 13px; font-size: 16px; font-weight: 700;
  color: #fff; border: 1px solid var(--blue); border-radius: 10px; cursor: pointer;
  background: var(--blue);
  transition: background .15s, border-color .15s;
}
.btn-primary:hover { background: #3a82d6; border-color: #4a90e2; }
.btn-ghost {
  background: transparent; color: var(--ink-dim);
  border: 1px solid var(--line); border-radius: 10px; cursor: pointer;
}
.btn-ghost:hover { color: var(--ink); border-color: var(--blue); }
.btn-ghost.mini { padding: 8px 14px; font-size: 13px; }

.back-link { margin-top: 16px; text-align: center; font-size: 13px; }
.back-link a { color: var(--ink-dim); text-decoration: none; }
.back-link a:hover { color: var(--ink); }

/* ===== 页脚 ===== */
.foot { margin-top: 48px; text-align: center; color: var(--ink-dim); font-size: 12px; opacity: 0.8; }
.beian { display: inline-block; margin-top: 8px; color: #9db4ff; font-size: 12px; text-decoration: none; }
.beian:hover { color: #c5d4ff; text-decoration: underline; }

/* ===== 登录卡片（后台未登录态） ===== */
.login-card {
  max-width: 360px; margin: 24px auto; padding: 28px 24px;
  background: var(--glass); border: 1px solid var(--line);
  border-radius: var(--radius); backdrop-filter: blur(8px);
}

/* ===== 后台头部 ===== */
.admin-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 28px;
}
.admin-title { font-size: 24px; font-weight: 800; }
.admin-sub { color: var(--ink-dim); font-size: 14px; margin-top: 6px; }

/* ===== 小屏适配 ===== */
@media (max-width: 420px) {
  .title { font-size: 30px; }
  .title .accent { font-size: 24px; }
  .wrap { padding: 40px 16px 64px; }
  .app-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .stone { animation: none; }
}

/* ============ 皮肤切换 ============ */
.theme-switcher { position: absolute; top: 10px; right: 10px; z-index: 45; }
.skin-toggle { display: inline-flex; align-items: center; gap: 4px; border: 1px solid var(--line); background: var(--card, rgba(16,30,60,.96)); color: #e8eefc; font-size: 12px; padding: 5px 11px; border-radius: 999px; cursor: pointer; font-family: inherit; white-space: nowrap; box-shadow: var(--shadow); opacity: .92; transition: opacity .15s, transform .1s; }
.skin-toggle:hover { opacity: 1; }
.skin-toggle:active { transform: scale(.96); }
.skin-caret { font-size: 9px; line-height: 1; opacity: .7; }
.skin-menu { position: absolute; top: calc(100% + 6px); right: 0; min-width: 120px; padding: 4px; background: var(--card, rgba(16,30,60,.96)); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); display: none; flex-direction: column; gap: 2px; }
.theme-switcher.open .skin-menu { display: flex; }
.skin-item { display: flex; align-items: center; gap: 7px; width: 100%; border: none; background: transparent; color: #e8eefc; font-size: 13px; padding: 7px 10px; border-radius: 8px; cursor: pointer; font-family: inherit; text-align: left; white-space: nowrap; }
.skin-item:hover { background: rgba(255,255,255,.08); }
.skin-item.is-active { background: var(--blue); color: #fff; font-weight: 600; }




/* ===== WorkBuddy 风格 · 线条图标功能键 ===== */
.ln-ic { display: block; width: 20px; height: 20px; stroke: currentColor; stroke-width: 1.8; fill: none; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.ic { display: inline-flex; }
.ic svg { width: 22px; height: 22px; stroke: currentColor; stroke-width: 1.7; fill: none; stroke-linecap: round; stroke-linejoin: round; display: block; }
.skin-item .tb-ic { display: inline-flex; }
.skin-item .tb-ic svg { width: 15px; height: 15px; stroke: currentColor; stroke-width: 1.8; fill: none; stroke-linecap: round; stroke-linejoin: round; display: block; }
.admin-entry .ai { display: inline-flex; }
.admin-entry .ai svg { width: 14px; height: 14px; stroke: currentColor; stroke-width: 1.8; fill: none; stroke-linecap: round; stroke-linejoin: round; display: block; }

/* ===== Whimsy 惊喜体验层（惊喜喜）===== */
.stones-loader { display:inline-flex; align-items:center; gap:5px; vertical-align:middle; margin-right:6px; }
.stones-loader i { width:9px; height:9px; border-radius:50%; display:block; animation: stone-bounce 1s infinite ease-in-out; }
.stones-loader i:nth-child(1){ background:#1f2937; animation-delay:0s; }
.stones-loader i:nth-child(2){ background:#fff; border:1.5px solid #cbd5e1; animation-delay:.15s; }
.stones-loader i:nth-child(3){ background:#1f2937; animation-delay:.3s; }
@keyframes stone-bounce { 0%,80%,100%{ transform:translateY(0) scale(1); opacity:.55 } 40%{ transform:translateY(-7px) scale(1.18); opacity:1 } }

.whimsy-confetti { position:fixed; top:-24px; left:0; z-index:9999; pointer-events:none; will-change:transform,opacity; }
.whimsy-stone { border-radius:50%; }
@keyframes whimsy-fall { to { transform: translateY(106vh) rotate(var(--spin,360deg)); opacity:.1; } }




/* Konami 彩虹模式 */
body.rainbow-mode::after { content:''; position:fixed; inset:0; z-index:9998; pointer-events:none; background:linear-gradient(115deg,#ff9a9e,#fecfef,#a1c4fd,#c2e9fb,#d4fc79,#fbc2eb,#ffd6a5); background-size:400% 400%; animation: rainbow-pan 8s linear infinite; mix-blend-mode:soft-light; opacity:.55; }
@keyframes rainbow-pan { 0%{background-position:0% 50%} 50%{background-position:100% 50%} 100%{background-position:0% 50%} }




@media (prefers-reduced-motion: reduce) {
  .stones-loader i, body.rainbow-mode::after { animation: none !important; }
}



/* ===== Hello Kitty 浅粉皮肤（亮色：白底 + 暖粉 + 红蝴蝶结点缀） ===== */
[data-theme="hello-kitty"] {
  --bg-0: #fff0f6;
  --bg-1: #fff8fb;
  --bg-2: #ffe1ee;
  --ink: #6b3a55;
  --ink-dim: #b07d96;
  --line: rgba(255,120,170,.22);
  --glass: rgba(255,255,255,.6);
  --glass-hover: rgba(255,255,255,.85);
  --blue: #ff6aa9;
  --green: #5fc99a;
  --gold: #ffc23d;
  --radius: 22px;
  --shadow: 0 12px 32px rgba(255,130,178,.20);
  --font: "Yuanti SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
[data-theme="hello-kitty"] body { background: radial-gradient(1200px 600px at 80% -10%, rgba(255,180,210,.5), transparent 60%), radial-gradient(900px 500px at 10% 110%, rgba(255,194,61,.22), transparent 55%), linear-gradient(165deg, #fff8fb 0%, #ffe6f3 100%); }
[data-theme="hello-kitty"] .title { background: linear-gradient(90deg, #ff5fa0, #ffb3d9 55%, #ff8a3d); -webkit-background-clip: text; background-clip: text; color: transparent; }
[data-theme="hello-kitty"] .admin-entry { background: rgba(255,255,255,.75); color: var(--ink-dim); border-color: var(--line); }
[data-theme="hello-kitty"] .btn-primary { background: var(--blue); border-color: #ff4f93; }
[data-theme="hello-kitty"] .btn-primary:hover { background: #ff5fa0; border-color: #ff3b7d; }
[data-theme="hello-kitty"] .btn:hover { border-color: var(--blue); color: #ff5fa0; }
[data-theme="hello-kitty"] .stone { opacity: .08; }
[data-theme="hello-kitty"] .app-card { border: 1px solid var(--line); }
[data-theme="hello-kitty"] .stones-loader i:nth-child(1){ background:#ff82b2; }
[data-theme="hello-kitty"] .stones-loader i:nth-child(2){ background:#fff; border-color:#ffc23d; }
[data-theme="hello-kitty"] .stones-loader i:nth-child(3){ background:#7fe3c0; }
[data-theme="hello-kitty"] .btn,
[data-theme="hello-kitty"] .app-card,
[data-theme="hello-kitty"] .skin-item { transition: transform .12s cubic-bezier(.34,1.56,.64,1); }
[data-theme="hello-kitty"] .btn:active { transform: scale(.93); }
[data-theme="hello-kitty"] .app-card:active { transform: scale(.97); }
[data-theme="hello-kitty"] .skin-item:active { transform: scale(.9); }

/* ===== 青绿皮肤（亮色：Workbuddy 图标配色 emerald/teal 清新绿） ===== */
[data-theme="workbuddy-green"] {
  --bg-0: #e9f7f1;
  --bg-1: #f3fbf7;
  --bg-2: #d7f1e7;
  --ink: #0f3d31;
  --ink-dim: #4d8a78;
  --line: rgba(20,150,110,.20);
  --glass: rgba(255,255,255,.6);
  --glass-hover: rgba(255,255,255,.85);
  --blue: #14b88a;
  --green: #0e9f6e;
  --gold: #f6c453;
  --radius: 18px;
  --shadow: 0 12px 32px rgba(16,150,110,.18);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
[data-theme="workbuddy-green"] body { background: radial-gradient(1200px 600px at 80% -10%, rgba(26,200,150,.30), transparent 60%), radial-gradient(900px 500px at 10% 110%, rgba(16,184,138,.20), transparent 55%), linear-gradient(165deg, #f3fbf7 0%, #d9f3e8 100%); }
[data-theme="workbuddy-green"] .title { background: linear-gradient(90deg, #0e9f6e, #36d39a 55%, #0bbf9b); -webkit-background-clip: text; background-clip: text; color: transparent; }
[data-theme="workbuddy-green"] .admin-entry { background: rgba(255,255,255,.78); color: var(--ink-dim); border-color: var(--line); }
[data-theme="workbuddy-green"] .btn-primary { background: var(--blue); border-color: #0e8f6b; }
[data-theme="workbuddy-green"] .btn-primary:hover { background: #0e9f6e; border-color: #0c7d5b; }
[data-theme="workbuddy-green"] .btn:hover { border-color: var(--blue); color: #0e9f6e; }
[data-theme="workbuddy-green"] .stone { opacity: .07; }
[data-theme="workbuddy-green"] .app-card { border: 1px solid var(--line); }
[data-theme="workbuddy-green"] .stones-loader i:nth-child(1){ background:#16c79a; }
[data-theme="workbuddy-green"] .stones-loader i:nth-child(2){ background:#fff; border-color:#0bbf9b; }
[data-theme="workbuddy-green"] .stones-loader i:nth-child(3){ background:#36d39a; }
[data-theme="workbuddy-green"] .btn,
[data-theme="workbuddy-green"] .app-card,
[data-theme="workbuddy-green"] .skin-item { transition: transform .12s ease; }
[data-theme="workbuddy-green"] .btn:active { transform: scale(.96); }
[data-theme="workbuddy-green"] .app-card:active { transform: scale(.98); }
[data-theme="workbuddy-green"] .skin-item:active { transform: scale(.95); }

/* ===== 黑白灰极简皮肤（门户 · 无彩色 · 高对比 · 干净） ===== */
[data-theme="mono"] {
  --bg-0: #ffffff;
  --bg-1: #f5f5f7;
  --bg-2: #ececef;
  --ink: #1a1a1a;
  --ink-dim: #6b7280;
  --line: #e5e7eb;
  --glass: rgba(255,255,255,.75);
  --glass-hover: rgba(255,255,255,.95);
  --blue: #1a1a1a;
  --green: #2f9e6f;
  --gold: #b8860b;
  --radius: 14px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 8px 24px rgba(0,0,0,.06);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color-scheme: light;
}
[data-theme="mono"] body { background: linear-gradient(165deg, #f5f5f7 0%, #ececef 100%); }
[data-theme="mono"] .title { background: none; -webkit-background-clip: initial; background-clip: initial; color: #1a1a1a; }
[data-theme="mono"] .admin-entry { background: rgba(255,255,255,.8); color: var(--ink-dim); border-color: var(--line); }
[data-theme="mono"] .app-card { border: 1px solid var(--line); box-shadow: var(--shadow); }
[data-theme="mono"] .btn-primary { background: #1a1a1a; border-color: #1a1a1a; }
[data-theme="mono"] .btn-primary:hover { background: #000000; border-color: #000000; }
[data-theme="mono"] .btn:hover { border-color: #1a1a1a; color: #1a1a1a; }
[data-theme="mono"] .stone { opacity: .04; }
[data-theme="mono"] .stones-loader i:nth-child(1){ background:#1a1a1a; }
[data-theme="mono"] .stones-loader i:nth-child(2){ background:#fff; border-color:#cbd5e1; }
[data-theme="mono"] .stones-loader i:nth-child(3){ background:#6b7280; }

/* ===== 中国红皮肤（门户 · 白底 + 中国红主色 + 金点缀） ===== */
[data-theme="china-red"] {
  --bg-0: #9e0c24;
  --bg-1: #fff5f3;
  --bg-2: #fde8e6;
  --ink: #2a2326;
  --ink-dim: #9a7b78;
  --line: rgba(200,16,46,.20);
  --glass: rgba(255,255,255,.7);
  --glass-hover: rgba(255,255,255,.9);
  --blue: #C8102E;
  --green: #2f9e6f;
  --gold: #C9A227;
  --radius: 14px;
  --shadow: 0 12px 32px rgba(200,16,46,.18);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color-scheme: light;
}
[data-theme="china-red"] body { background: radial-gradient(1200px 600px at 80% -10%, rgba(200,16,46,.18), transparent 60%), radial-gradient(900px 500px at 10% 110%, rgba(201,162,39,.12), transparent 55%), linear-gradient(165deg, #fff5f3 0%, #fde8e6 100%); }
[data-theme="china-red"] .title { background: linear-gradient(90deg, #C8102E, #E23B52 60%, #C9A227); -webkit-background-clip: text; background-clip: text; color: transparent; }
[data-theme="china-red"] .admin-entry { background: rgba(255,255,255,.8); color: var(--ink-dim); border-color: var(--line); }
[data-theme="china-red"] .app-card { border: 1px solid var(--line); box-shadow: var(--shadow); }
[data-theme="china-red"] .btn-primary { background: #C8102E; border-color: #9e0c24; }
[data-theme="china-red"] .btn-primary:hover { background: #9e0c24; border-color: #9e0c24; }
[data-theme="china-red"] .btn:hover { border-color: #C8102E; color: #C8102E; }
[data-theme="china-red"] .stone { opacity: .06; }
[data-theme="china-red"] .stones-loader i:nth-child(1){ background:#C8102E; }
[data-theme="china-red"] .stones-loader i:nth-child(2){ background:#fff; border-color:#C9A227; }
[data-theme="china-red"] .stones-loader i:nth-child(3){ background:#C9A227; }