/* ============================================================
 * 首页主题：全脑开发 · 右脑潜能 · 松果体点亮
 * 深空星云 + 极光 + 玻璃卡片 + 金紫光效
 * 作用域：body.brain-home（仅 index.html 引入，不影响其他页面）
 * ============================================================ */

/* ---------- 主题色 ---------- */
/* ★ 中国红主色系：深红底 + 金字。整体提亮，保证正文在深底上依然清晰可读 */
.brain-home {
  --bp-void: #7d0d1a;
  --bp-deep: #9c1424;
  --bp-ink: #fff7f2;
  --bp-ink-2: #ffe6da;
  --bp-ink-3: #ffcdb9;
  --bp-gold: #ffd36e;
  --bp-gold-2: #ffb347;
  --bp-cyan: #ffc39a;
  --bp-violet: #ff9f8a;
  --bp-glass: linear-gradient(160deg, rgba(255, 255, 255, .17), rgba(255, 255, 255, .075));
  --bp-line: rgba(255, 255, 255, .26);
  --bp-shadow: 0 12px 30px rgba(78, 4, 14, .34);
  background: var(--bp-void);
  color: var(--bp-ink);
}

/* ---------- 背景层：暖红光晕（替换原深空蓝紫） ---------- */
.bp-bg {
  position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none;
  background:
    radial-gradient(1200px 700px at 12% -8%, rgba(255, 138, 88, .3), transparent 62%),
    radial-gradient(1000px 620px at 92% 6%, rgba(255, 92, 120, .26), transparent 62%),
    radial-gradient(900px 720px at 50% 108%, rgba(255, 196, 120, .2), transparent 60%),
    linear-gradient(180deg, #7d0d1a 0%, #9c1424 46%, #6b0812 100%);
}
.bp-aurora {
  position: absolute; border-radius: 50%; filter: blur(64px); opacity: .26; mix-blend-mode: screen;
}
.bp-aurora.a1 { width: 620px; height: 420px; left: -8%; top: -6%; background: radial-gradient(circle, #ff7a3c, transparent 68%); animation: bpDrift1 26s ease-in-out infinite; }
.bp-aurora.a2 { width: 560px; height: 400px; right: -6%; top: 4%; background: radial-gradient(circle, #ff2e63, transparent 68%); animation: bpDrift2 32s ease-in-out infinite; }
.bp-aurora.a3 { width: 700px; height: 460px; left: 24%; top: 46%; background: radial-gradient(circle, #ffb347, transparent 70%); opacity: .18; animation: bpDrift1 38s ease-in-out infinite reverse; }
.bp-orb {
  position: absolute; border-radius: 50%; filter: blur(2px);
  box-shadow: 0 0 30px 6px rgba(255, 211, 110, .35), inset 0 0 18px rgba(255, 255, 255, .55);
  background: radial-gradient(circle at 32% 28%, #fff8e3, #ffce5c 55%, rgba(255, 155, 60, .15) 100%);
  animation: bpFloat 12s ease-in-out infinite;
}
.bp-orb.o1 { width: 14px; height: 14px; left: 8%; top: 26%; }
.bp-orb.o2 { width: 10px; height: 10px; right: 12%; top: 44%; animation-delay: -3s; }
.bp-orb.o3 { width: 18px; height: 18px; left: 62%; top: 74%; animation-delay: -7s; box-shadow: 0 0 34px 8px rgba(127, 233, 255, .32), inset 0 0 18px rgba(255, 255, 255, .5); background: radial-gradient(circle at 32% 28%, #eaffff, #7fe9ff 55%, rgba(56, 189, 248, .12) 100%); }
.bp-stars {
  position: absolute; inset: 0; opacity: .38;
  background-image:
    radial-gradient(1.4px 1.4px at 12% 18%, #fff 40%, transparent 42%),
    radial-gradient(1.2px 1.2px at 28% 62%, #cfe6ff 40%, transparent 42%),
    radial-gradient(1.6px 1.6px at 46% 12%, #fff 40%, transparent 42%),
    radial-gradient(1.2px 1.2px at 62% 48%, #ffe9a8 40%, transparent 42%),
    radial-gradient(1.4px 1.4px at 78% 22%, #fff 40%, transparent 42%),
    radial-gradient(1.2px 1.2px at 88% 72%, #c4b5fd 40%, transparent 42%),
    radial-gradient(1.6px 1.6px at 6% 82%, #fff 40%, transparent 42%),
    radial-gradient(1.2px 1.2px at 36% 88%, #8fe9ff 40%, transparent 42%),
    radial-gradient(1.4px 1.4px at 70% 86%, #fff 40%, transparent 42%),
    radial-gradient(1.2px 1.2px at 94% 38%, #ffd36e 40%, transparent 42%),
    radial-gradient(1.2px 1.2px at 20% 40%, #fff 40%, transparent 42%),
    radial-gradient(1.4px 1.4px at 54% 74%, #e9d5ff 40%, transparent 42%);
  animation: bpTwinkle 6s ease-in-out infinite;
}

@keyframes bpDrift1 { 0%, 100% { transform: translate3d(0, 0, 0) scale(1); } 50% { transform: translate3d(60px, 40px, 0) scale(1.12); } }
@keyframes bpDrift2 { 0%, 100% { transform: translate3d(0, 0, 0) scale(1.05); } 50% { transform: translate3d(-70px, 30px, 0) scale(.92); } }
@keyframes bpFloat { 0%, 100% { transform: translateY(0); opacity: .85; } 50% { transform: translateY(-22px); opacity: 1; } }
@keyframes bpTwinkle { 0%, 100% { opacity: .55; } 50% { opacity: .95; } }

/* ---------- SVG 插画通用动画 ---------- */
.bp-svg { width: 100%; height: auto; display: block; overflow: visible; }
.bp-pulse { transform-box: fill-box; transform-origin: center; animation: bpPulse 3.4s ease-in-out infinite; }
.bp-spin { transform-box: fill-box; transform-origin: center; animation: bpSpin 18s linear infinite; }
.bp-spin-slow { transform-box: fill-box; transform-origin: center; animation: bpSpin 46s linear infinite; }
.bp-beam { animation: bpBeam 4.2s ease-in-out infinite; transform-box: fill-box; transform-origin: bottom center; }
.bp-dot { animation: bpDot 5s ease-in-out infinite; }
.bp-link { stroke-dasharray: 6 8; animation: bpDash 2.6s linear infinite; }
.bp-wave-line { stroke-dasharray: 14 8; animation: bpDash 3.4s linear infinite; }
@keyframes bpPulse { 0%, 100% { opacity: .55; transform: scale(.94); } 50% { opacity: 1; transform: scale(1.06); } }
@keyframes bpSpin { to { transform: rotate(360deg); } }
@keyframes bpBeam { 0%, 100% { opacity: .55; } 50% { opacity: 1; } }
@keyframes bpDot { 0%, 100% { opacity: .35; } 50% { opacity: 1; } }
@keyframes bpDash { to { stroke-dashoffset: -56; } }

/* ---------- 通用：标题 / 文字 ---------- */
.brain-home h1, .brain-home h2, .brain-home h3, .brain-home h4 { color: #f2f6ff; }
.brain-home .text-muted { color: var(--bp-ink-3); }
.brain-home .section-head h2 { position: relative; padding-left: 14px; }
.brain-home .section-head h2::before {
  content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 4px; height: 22px; border-radius: 4px;
  background: linear-gradient(180deg, var(--bp-gold), var(--bp-cyan));
  box-shadow: 0 0 12px rgba(255, 211, 110, .6);
}
.brain-home .section-head p { color: var(--bp-ink-3); }

.bp-grad {
  background: linear-gradient(100deg, #fff3c4 0%, var(--bp-gold) 32%, #ff9e6a 52%, var(--bp-cyan) 78%, var(--bp-violet) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.bp-eyebrow {
  display: inline-flex; align-items: center; gap: 8px; padding: 5px 14px; border-radius: 999px;
  font-size: 12.5px; letter-spacing: 1.2px; color: #ffe9a8;
  background: rgba(255, 211, 110, .12); border: 1px solid rgba(255, 211, 110, .32);
  box-shadow: 0 0 22px rgba(255, 180, 71, .18) inset;
}
.bp-eyebrow::before { content: "✦"; color: var(--bp-gold); }

/* ---------- Hero ---------- */
.bp-hero {
  position: relative; margin-top: 18px; border-radius: 26px; overflow: hidden;
  padding: 34px 32px 28px;
  background:
    radial-gradient(900px 460px at 78% 8%, rgba(255, 180, 71, .18), transparent 62%),
    radial-gradient(760px 420px at 8% 88%, rgba(56, 189, 248, .16), transparent 62%),
    linear-gradient(155deg, rgba(74, 86, 168, .52), rgba(58, 68, 140, .44));
  border: 1px solid var(--bp-line); box-shadow: var(--bp-shadow);
  backdrop-filter: blur(12px);
}
.bp-hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(115deg, transparent 30%, rgba(255, 255, 255, .08) 46%, transparent 62%);
  transform: translateX(-40%); animation: bpShine 9s ease-in-out infinite;
}
@keyframes bpShine { 0%, 70% { transform: translateX(-60%); } 100% { transform: translateX(60%); } }

.bp-hero-inner { display: grid; grid-template-columns: 1.02fr .98fr; gap: 26px; align-items: center; }
.bp-hero h1, .bp-hero .bp-h1 { font-size: 34px; line-height: 1.28; margin: 14px 0 12px; letter-spacing: .5px; }
.bp-lead { color: var(--bp-ink-2); font-size: 15px; line-height: 1.85; max-width: 560px; margin: 0; }
.bp-chips { display: flex; gap: 8px; flex-wrap: wrap; margin: 16px 0 20px; }
.bp-chips .chip {
  font-size: 12.8px; padding: 6px 13px; border-radius: 999px; color: #dbe6ff;
  background: rgba(255, 255, 255, .07); border: 1px solid var(--bp-line);
  backdrop-filter: blur(6px); transition: .2s;
}
.bp-chips .chip:hover { border-color: rgba(255, 211, 110, .55); color: #fff; box-shadow: 0 0 18px rgba(255, 211, 110, .22); }
.bp-note { margin: 14px 0 0; font-size: 13px; color: var(--bp-ink-3); line-height: 1.75; }
.bp-note b { color: var(--bp-gold); }

.bp-hero-art { position: relative; }
.bp-art-glow {
  position: absolute; left: 50%; top: 46%; transform: translate(-50%, -50%);
  width: 78%; height: 62%; border-radius: 50%; filter: blur(38px);
  background: radial-gradient(circle, rgba(255, 190, 90, .34), rgba(127, 233, 255, .16) 55%, transparent 72%);
}
.bp-art { position: relative; }
.bp-legend { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; margin-top: 6px; font-size: 12.6px; }
.bp-legend span { display: inline-flex; align-items: center; gap: 6px; color: var(--bp-ink-2); }
.bp-legend i { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.bp-legend .lg-l i { background: linear-gradient(135deg, #8fe9ff, #2f7be8); box-shadow: 0 0 10px rgba(127, 233, 255, .8); }
.bp-legend .lg-r i { background: linear-gradient(135deg, #ffe9a8, #8b31c8); box-shadow: 0 0 10px rgba(255, 211, 110, .8); }

.bp-metrics {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 22px;
  padding-top: 18px; border-top: 1px solid var(--bp-line);
}
.bp-metrics .m { text-align: center; }
.bp-metrics .m b { display: block; font-size: 20px; letter-spacing: -.4px; }
.bp-metrics .m span { font-size: 12.2px; color: var(--bp-ink-3); }
.bp-metrics .m.c1 b { color: var(--bp-gold); } .bp-metrics .m.c2 b { color: var(--bp-cyan); }
.bp-metrics .m.c3 b { color: var(--bp-violet); } .bp-metrics .m.c4 b { color: #6ee7b7; }

/* ---------- 玻璃卡片统一外观 ---------- */
.brain-home .card,
.brain-home .stat,
.brain-home .svc,
.brain-home .bp-card {
  background: var(--bp-glass);
  border: 1px solid var(--bp-line);
  box-shadow: var(--bp-shadow), inset 0 1px 0 rgba(255, 255, 255, .1);
  backdrop-filter: blur(10px);
  color: var(--bp-ink);
}
.brain-home .card-title { border-bottom: 1px dashed var(--bp-line); padding-bottom: 12px; }
.brain-home .card-title .sub { color: var(--bp-ink-3); }
.brain-home .svc:hover { transform: translateY(-4px); border-color: rgba(255, 211, 110, .55); box-shadow: 0 18px 40px rgba(18, 24, 62, .4), inset 0 0 0 1px rgba(255, 211, 110, .26); }
.brain-home .svc .desc { color: var(--bp-ink-2); }
.brain-home .svc .icon {
  background: radial-gradient(circle at 32% 28%, rgba(255, 211, 110, .32), rgba(127, 233, 255, .18));
  border: 1px solid rgba(255, 255, 255, .18); box-shadow: 0 0 20px rgba(255, 211, 110, .22);
}
.brain-home .svc .price { color: #ffd88a; }
.brain-home .svc .price small { color: var(--bp-ink-3); }
.brain-home .btn.ghost { color: var(--bp-ink-2); border-color: var(--bp-line); background: rgba(255, 255, 255, .05); }
.brain-home .btn.ghost:hover { background: rgba(255, 255, 255, .12); color: #fff; }
.brain-home .btn.gold { box-shadow: 0 10px 26px rgba(255, 170, 60, .32); }
.brain-home .btn.outline { background: rgba(255, 255, 255, .06); color: #eaf1ff; border-color: rgba(255, 255, 255, .34); }
.brain-home .btn.outline:hover { background: rgba(255, 255, 255, .14); border-color: #fff; }
.brain-home .tip { background: rgba(255, 255, 255, .06); border-left-color: var(--bp-cyan); color: var(--bp-ink-2); }
.brain-home .tip.warn { background: rgba(255, 211, 110, .12); border-left-color: var(--bp-gold); color: #ffe0a8; }
.brain-home .tag { background: rgba(127, 233, 255, .14); color: #bfeaff; border: 1px solid rgba(127, 233, 255, .22); }
.brain-home .tag.gold { background: rgba(255, 211, 110, .16); color: #ffe0a8; border-color: rgba(255, 211, 110, .28); }
.brain-home .badge { background: rgba(255, 255, 255, .1); color: var(--bp-ink-2); }
.brain-home .badge.ok { background: rgba(23, 145, 91, .22); color: #7ee2b8; }
.brain-home .badge.warn { background: rgba(199, 119, 0, .22); color: #ffd88a; }
.brain-home .badge.info { background: rgba(59, 130, 246, .22); color: #a9d4ff; }
.brain-home .badge.gold { background: linear-gradient(135deg, rgba(255, 211, 110, .9), rgba(255, 179, 71, .7)); color: #3b2405; }
.brain-home .rate { background: rgba(255, 255, 255, .1); }
.brain-home .ver-box { border-top-color: var(--bp-line); }

/* ---------- 温馨提示 ---------- */
.brain-home .notice-item .no { background: linear-gradient(135deg, var(--bp-cyan), #2f7be8); box-shadow: 0 0 16px rgba(127, 233, 255, .4); }
.brain-home .notice-item .no.gift { background: linear-gradient(135deg, var(--bp-gold), #ff9e4f); box-shadow: 0 0 16px rgba(255, 211, 110, .45); color: #3b2405; }
.brain-home .notice-item p { color: var(--bp-ink-2); }

/* ---------- 左右脑对照 ---------- */
.bp-hemi { display: grid; grid-template-columns: 1fr 84px 1fr; gap: 14px; align-items: stretch; }
.bp-hemi-card {
  position: relative; padding: 20px 20px 18px; border-radius: 18px; overflow: hidden;
  background: var(--bp-glass); border: 1px solid var(--bp-line); box-shadow: var(--bp-shadow);
}
.bp-hemi-card::before {
  content: ""; position: absolute; inset: 0; opacity: .5; pointer-events: none;
}
.bp-hemi-card.left::before { background: radial-gradient(420px 220px at 18% 10%, rgba(56, 140, 240, .35), transparent 62%); }
.bp-hemi-card.right::before { background: radial-gradient(420px 220px at 82% 10%, rgba(200, 90, 30, .32), transparent 62%); }
.bp-hemi-top { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.bp-hemi-top .art { width: 76px; flex: 0 0 76px; }
.bp-hemi-card h3 { margin: 0 0 2px; font-size: 17px; }
.bp-hemi-card.left h3 { color: #a9e3ff; }
.bp-hemi-card.right h3 { color: #ffd88a; }
.bp-hemi-card .sub { font-size: 12.6px; color: var(--bp-ink-3); }
.bp-hemi-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 7px; margin: 0; padding: 0; list-style: none; }
.bp-hemi-list li {
  font-size: 13.2px; color: var(--bp-ink-2); padding: 7px 10px; border-radius: 9px;
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .08);
}
.bp-hemi-list li b { color: #fff; font-weight: 600; }
.bp-bridge { display: grid; place-items: center; position: relative; }
.bp-bridge .bx {
  width: 62px; height: 62px; border-radius: 50%; display: grid; place-items: center; font-size: 24px; font-weight: 800;
  background: radial-gradient(circle at 32% 28%, #fff8e3, var(--bp-gold) 58%, #b45309 100%);
  color: #3b2405; box-shadow: 0 0 30px rgba(255, 211, 110, .5); animation: bpPulse 4s ease-in-out infinite;
}
.bp-bridge::before, .bp-bridge::after {
  content: ""; position: absolute; left: 50%; width: 2px; height: 26%; transform: translateX(-50%);
  background: linear-gradient(180deg, transparent, var(--bp-gold), transparent); opacity: .55;
}
.bp-bridge::before { top: 0; } .bp-bridge::after { bottom: 0; }
.bp-whole-bar {
  margin-top: 14px; padding: 14px 18px; border-radius: 16px; text-align: center; font-size: 15px; font-weight: 600;
  background: linear-gradient(100deg, rgba(127, 233, 255, .16), rgba(255, 211, 110, .18), rgba(192, 132, 252, .16));
  border: 1px solid rgba(255, 255, 255, .16); color: #fff6dc;
  box-shadow: inset 0 0 30px rgba(255, 255, 255, .06);
}
.bp-whole-bar em { font-style: normal; color: var(--bp-gold); }

/* ---------- 松果体点亮 ---------- */
.bp-pineal-wrap { display: grid; grid-template-columns: 300px 1fr; gap: 22px; align-items: center; padding: 22px; }
.bp-pineal-art { position: relative; }
.bp-pineal-art::after {
  content: ""; position: absolute; inset: -6% -4%; border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(255, 180, 71, .18), transparent 66%); filter: blur(20px);
}
.bp-pineal-txt h3 { font-size: 18px; margin: 0 0 8px; }
.bp-pineal-txt p { color: var(--bp-ink-2); font-size: 14px; line-height: 1.85; margin: 0 0 14px; }
.bp-wave-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.bp-wave-card {
  padding: 10px 12px 12px; border-radius: 14px; text-align: center;
  background: rgba(255, 255, 255, .055); border: 1px solid rgba(255, 255, 255, .12);
  transition: .2s;
}
.bp-wave-card:hover { transform: translateY(-3px); border-color: rgba(255, 211, 110, .4); background: rgba(255, 255, 255, .09); }
.bp-wave-card .wv { height: 46px; display: grid; place-items: center; }
.bp-wave-card .wv .bp-svg { max-height: 46px; }
.bp-wave-card .nm { font-size: 14px; font-weight: 700; margin-top: 4px; color: #fff; }
.bp-wave-card .hz { font-size: 11.8px; color: var(--bp-ink-3); }
.bp-wave-card .st { font-size: 12.2px; color: var(--bp-ink-2); margin-top: 3px; }
.bp-wave-card.beta .nm { color: #a9e3ff; }
.bp-wave-card.alpha .nm { color: #ffd88a; }
.bp-wave-card.theta .nm { color: #d7bcff; }
.bp-wave-card.delta .nm { color: #9ff0cf; }

/* ---------- 天才教育 ---------- */
.bp-genius {
  position: relative; overflow: hidden; display: grid; grid-template-columns: 380px 1fr;
  gap: 26px; align-items: center; padding: 26px 28px; border-radius: 22px;
  background: linear-gradient(150deg, rgba(255, 246, 214, .14), rgba(255, 255, 255, .075) 44%, rgba(150, 170, 255, .13));
  border: 1px solid rgba(255, 211, 110, .3);
  box-shadow: var(--bp-shadow), inset 0 0 46px rgba(255, 211, 110, .06);
}
.bp-genius::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; opacity: .85; z-index: 1;
  background: linear-gradient(90deg, rgba(255, 211, 110, 0), var(--bp-gold), var(--bp-cyan), rgba(192, 132, 252, 0));
}
.bp-genius::after {
  content: ""; position: absolute; right: -70px; top: -80px; width: 290px; height: 290px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 211, 110, .22), transparent 66%); filter: blur(26px); pointer-events: none;
}
.bp-genius-art { position: relative; }
.bp-genius-art::after {
  content: ""; position: absolute; inset: 2% -2%; border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(255, 211, 110, .16), transparent 68%); filter: blur(18px);
}
.bp-genius-txt { position: relative; z-index: 1; }
.bp-genius-txt h3 { font-size: 22px; margin: 10px 0 10px; color: #fff; }
.bp-genius-txt > p { color: var(--bp-ink-2); font-size: 14px; line-height: 1.9; margin: 0 0 16px; }
.bp-genius-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 18px; }
.bp-genius-list .gi {
  display: grid; grid-template-columns: 32px 1fr; gap: 10px; align-items: start;
  padding: 12px 13px; border-radius: 14px;
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .13);
  transition: .2s;
}
.bp-genius-list .gi:hover { transform: translateY(-2px); border-color: rgba(255, 211, 110, .42); background: rgba(255, 255, 255, .09); }
.bp-genius-list .gi .n {
  width: 30px; height: 30px; border-radius: 10px; display: grid; place-items: center;
  font-size: 12.5px; font-weight: 800; color: #2d2606;
  background: linear-gradient(140deg, #ffe9a8, #ffc857);
  box-shadow: 0 4px 12px rgba(180, 120, 10, .35);
}
.bp-genius-list h4 { font-size: 14px; margin: 1px 0 3px; color: #fff6d8; }
.bp-genius-list p { font-size: 12.6px; color: var(--bp-ink-3); line-height: 1.7; margin: 0; }

/* ---------- 四大通道 / 课程卡 光带 ---------- */
.bp-svc-wrap .svc { overflow: hidden; }
.bp-svc-wrap .svc::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: linear-gradient(90deg, var(--bp-cyan), var(--bp-gold), var(--bp-violet));
  opacity: .9;
}
/* ---------- 赠品 / 公告带 ---------- */
.brain-home .card.notice { border-color: rgba(127, 233, 255, .2); }

/* ---------- CTA 星云 ---------- */
.bp-cta {
  position: relative; margin-top: 26px; border-radius: 26px; overflow: hidden; padding: 40px 28px; text-align: center;
  background:
    radial-gradient(700px 380px at 20% 0%, rgba(255, 180, 71, .28), transparent 60%),
    radial-gradient(700px 380px at 84% 100%, rgba(139, 49, 200, .32), transparent 60%),
    radial-gradient(600px 320px at 50% 60%, rgba(56, 189, 248, .18), transparent 62%),
    linear-gradient(140deg, #47539c, #5b3a86 60%, #3a4a80);
  border: 1px solid rgba(255, 255, 255, .26); box-shadow: 0 20px 46px rgba(18, 24, 62, .38);
}
.bp-cta .eye { width: 76px; margin: 0 auto 12px; }
.bp-cta h2 { font-size: 24px; margin-bottom: 10px; }
.bp-cta p { color: var(--bp-ink-2); font-size: 14.5px; line-height: 1.85; max-width: 720px; margin: 0 auto 20px; }
.bp-cta .btn-row { justify-content: center; }
.bp-cta .cta-tip { margin-top: 18px; font-size: 13px; line-height: 1.9; color: var(--bp-ink-3); }
.bp-cta .cta-tip b { color: var(--bp-gold); }
.bp-cta::after {
  content: ""; position: absolute; inset: -40% -10% auto; height: 160%; pointer-events: none;
  background: conic-gradient(from 0deg, transparent 0 70%, rgba(255, 211, 110, .12) 82%, transparent 100%);
  animation: bpSpin 24s linear infinite;
}

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .bp-hero-inner { grid-template-columns: 1fr; }
  .bp-hero { padding: 26px 20px 22px; }
  .bp-hero h1, .bp-hero .bp-h1 { font-size: 27px; }
  .bp-pineal-wrap { grid-template-columns: 1fr; }
  .bp-pineal-art { max-width: 300px; margin: 0 auto; }
  .bp-hemi { grid-template-columns: 1fr; }
  .bp-bridge { height: 84px; }
  .bp-bridge::before, .bp-bridge::after { display: none; }
  .bp-genius { grid-template-columns: 1fr; padding: 22px 20px; }
  .bp-genius-art { max-width: 340px; margin: 0 auto; }
}
@media (max-width: 700px) {
  .bp-metrics { grid-template-columns: repeat(2, 1fr); }
  .bp-wave-grid { grid-template-columns: repeat(2, 1fr); }
  .bp-hemi-list { grid-template-columns: 1fr; }
  .bp-genius-list { grid-template-columns: 1fr; }
  .bp-genius-txt h3 { font-size: 19px; }
}
@media (prefers-reduced-motion: reduce) {
  .bp-aurora, .bp-orb, .bp-stars, .bp-pulse, .bp-spin, .bp-spin-slow, .bp-beam, .bp-dot, .bp-link, .bp-wave-line,
  .bp-hero::after, .bp-cta::after, .bp-bridge .bx { animation: none !important; }
}

/* ============================================================
 * ★ 红系收口：把残留的蓝 / 紫 / 冷色口子统一改为暖色，并整体提亮正文
 *   （放在文件末尾，靠层叠覆盖上面的旧色值，不动结构）
 * ============================================================ */
.brain-home h1, .brain-home h2, .brain-home h3, .brain-home h4 { color: #fff7f2; }
.bp-grad {
  background: linear-gradient(100deg, #fff3c4 0%, var(--bp-gold) 34%, #ffb066 60%, #ff8f6a 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.bp-hero {
  background:
    radial-gradient(900px 460px at 78% 8%, rgba(255, 190, 90, .2), transparent 62%),
    radial-gradient(760px 420px at 8% 88%, rgba(255, 110, 110, .16), transparent 62%),
    linear-gradient(155deg, rgba(160, 22, 38, .58), rgba(112, 10, 26, .5));
}
.bp-chips .chip { color: #ffe6da; background: rgba(255, 255, 255, .1); }
.bp-art-glow { background: radial-gradient(circle, rgba(255, 190, 90, .38), rgba(255, 120, 90, .18) 55%, transparent 72%); }
.bp-legend .lg-l i { background: linear-gradient(135deg, #ffd9a8, #ff7a3c); box-shadow: 0 0 10px rgba(255, 160, 90, .8); }
.bp-legend .lg-r i { background: linear-gradient(135deg, #ffe9a8, #ff5a7a); box-shadow: 0 0 10px rgba(255, 211, 110, .8); }
.bp-metrics .m.c2 b { color: #ffc39a; }
.bp-metrics .m.c3 b { color: #ffb0a0; }
.bp-metrics .m.c4 b { color: var(--bp-gold); }
.brain-home .tag { background: rgba(255, 200, 150, .16); color: #ffe0c8; border: 1px solid rgba(255, 200, 150, .26); }
.brain-home .badge.info { background: rgba(255, 120, 90, .22); color: #ffcdb9; }
.brain-home .badge.ok { background: rgba(23, 145, 91, .24); color: #8ff0c4; }
.brain-home .notice-item .no { background: linear-gradient(135deg, var(--bp-gold), #ff7a3c); box-shadow: 0 0 16px rgba(255, 170, 90, .42); color: #3b1c05; }
.bp-hemi-card.left h3 { color: #ffd0b0; }
.bp-wave-card.beta .nm { color: #ffd0b0; }
.bp-wave-card.theta .nm { color: #ffb9a8; }
.bp-wave-card.delta .nm { color: #a8f0d4; }
.brain-home .btn.outline { color: #fff2ea; border-color: rgba(255, 255, 255, .4); }
.brain-home .tip.warn { background: rgba(255, 211, 110, .14); color: #ffe6c0; }
/* 正文可读性：正文一律高对比暖白，禁止半透明冷灰 */
.brain-home .bp-lead, .brain-home .bp-note,
.brain-home .bp-hemi-list li, .brain-home .bp-pineal-txt p,
.brain-home .bp-genius-txt p, .brain-home .bp-whole-bar,
.brain-home .svc .desc, .brain-home .notice-item p { color: #ffeee6; }
.brain-home .text-muted, .brain-home .section-head p, .brain-home .bp-metrics .m span { color: #ffd8c6; }

/* =========================================================
 * 成果展示页（results.html）：页面最上方栏目头
 * ---------------------------------------------------------
 * v21：首页瘦身为纯门面，原来「全脑开发 · 右脑潜能 · 松果体点亮」
 * 到底部的内容整块搬到 results.html，页面第一屏就是这个栏目头。
 * 红线：禁 color-mix()、禁 inset（老内核不认）。
 * ========================================================= */
.rs-head {
  position: relative; overflow: hidden; margin-top: 18px;
  border-radius: 26px; padding: 30px 30px 26px;
  border: 1px solid rgba(255, 214, 128, .22);
  background:
    radial-gradient(720px 320px at 10% 0%, rgba(110, 180, 255, .16), transparent 62%),
    radial-gradient(680px 300px at 92% 100%, rgba(255, 180, 90, .18), transparent 62%),
    linear-gradient(160deg, rgba(30, 38, 74, .92), rgba(18, 22, 44, .95));
  box-shadow: 0 18px 42px rgba(6, 10, 26, .5);
}
.rs-head::after {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255, 210, 120, .8), transparent);
}
.rs-title { font-size: 34px; line-height: 1.25; margin: 12px 0 10px; letter-spacing: 1px; color: #fff; }
.rs-lead { margin: 0; max-width: 780px; color: #ffeee6; font-size: 15px; line-height: 1.85; }
.rs-anchors { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.rs-anchors a {
  padding: 7px 14px; border-radius: 999px; font-size: 13px; color: #ffe6c0;
  border: 1px solid rgba(255, 214, 128, .26); background: rgba(255, 255, 255, .05);
}
.rs-anchors a:hover { color: #fff; border-color: rgba(255, 214, 128, .62); background: rgba(255, 214, 128, .12); }
@media (max-width: 700px) {
  .rs-head { padding: 22px 18px 20px; border-radius: 20px; }
  .rs-title { font-size: 26px; }
  .rs-anchors a { padding: 6px 12px; font-size: 12.5px; }
}