/* ============================================================
 * Fish Ai UI v4 · 旗舰精修层(2026-09-13d)
 * 定位:深渊极光体系内的「高级感打磨」——零配色改动、零令牌改动,
 *      只做精修与点睛,确保与品牌完全协调:
 *   1. 欢迎页:mono 眉题芯片 / 标题流光 / logo 弧线光环 / 卡片掠光
 *   2. 全模型跑马灯(.model-marquee,厂商色点 = 站内语义色)
 *   3. 侧栏导航渐变指示条 / 渐变滚动条 / 输入舱微光 / 顶栏发丝线
 *   动效全部 transform/opacity/background-position,含 reduced-motion 守卫
 * ============================================================ */

/* ===== 1. 欢迎页眉题:玻璃等宽芯片(青边 + 呼吸光点) ===== */
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: -6px 0 16px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(var(--glow-cyan), .28);
  background: var(--surface);
  backdrop-filter: blur(10px) saturate(1.4);
  -webkit-backdrop-filter: blur(10px) saturate(1.4);
  font: 700 10.5px/1 ui-monospace, SFMono-Regular, Consolas, Menlo, monospace;
  letter-spacing: .2em;
  color: var(--accent);
  text-shadow: 0 0 14px rgba(var(--glow-cyan), .45);
  white-space: nowrap;
}
.hero-kicker i {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(var(--glow-cyan), .9);
  animation: kickerPulse 2.4s ease-in-out infinite;
}
@keyframes kickerPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: .4; transform: scale(.8); }
}

/* ===== 2. 标题流光:品牌渐变缓慢漂移(克制,8s 往返) ===== */
.wt-grad {
  background-size: 220% 100%;
  animation: wtDrift 8s ease-in-out infinite alternate;
}
@keyframes wtDrift {
  from { background-position: 0% 0; }
  to   { background-position: 100% 0; }
}

/* ===== 3. logo 弧线光环:品牌三色 conic 缓旋 ===== */
.welcome-logo::after {
  content: "";
  position: absolute;
  inset: -16px;
  border-radius: 50%;
  padding: 1.5px;
  background: conic-gradient(from 0deg,
    transparent 0 64%,
    rgba(var(--glow-cyan), .8) 80%,
    rgba(var(--glow), .9) 93%,
    rgba(var(--glow-violet), .8) 99%,
    transparent);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  opacity: .7;
  animation: logoArc 6s linear infinite;
  pointer-events: none;
}
@keyframes logoArc { to { transform: rotate(360deg); } }

/* ===== 4. Bento 卡:悬停掠光(品牌同色高光,轻) ===== */
.suggest-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 34%, rgba(255, 255, 255, .07) 47%, transparent 60%);
  transform: translateX(-130%);
  transition: transform .7s var(--ease-out);
  pointer-events: none;
  z-index: 1;
}
html[data-theme="light"] .suggest-card::before {
  background: linear-gradient(115deg, transparent 36%, rgba(255, 255, 255, .55) 48%, transparent 62%);
}
.suggest-card:hover::before { transform: translateX(130%); }

/* ===== 5. 热门模型芯片:active 呼吸辉光 ===== */
.mq-chip.active { animation: chipBreath 3.4s ease-in-out infinite; }
@keyframes chipBreath {
  0%, 100% { box-shadow: 0 8px 22px rgba(var(--glow), .2), var(--glow-shadow); }
  50%      { box-shadow: 0 8px 26px rgba(var(--glow), .28), 0 0 32px rgba(var(--glow), .3); }
}

/* ===== 6. 全模型跑马灯(新增 DOM:.model-marquee > .mm-track > .mm-group×2) ===== */
.mm-head {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 26px auto 10px;
  font: 700 10px/1 ui-monospace, SFMono-Regular, Consolas, Menlo, monospace;
  letter-spacing: .22em;
  color: var(--text-muted);
  text-transform: uppercase;
}
.mm-head::before,
.mm-head::after {
  content: "";
  width: 44px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--glow), .45));
}
.mm-head::after { background: linear-gradient(90deg, rgba(var(--glow), .45), transparent); }
.model-marquee {
  position: relative;
  overflow: hidden;
  width: 100%;
  max-width: 780px;
  padding: 11px 0;
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  background: var(--surface);
  backdrop-filter: blur(10px) saturate(1.3);
  -webkit-backdrop-filter: blur(10px) saturate(1.3);
  box-shadow: 0 4px 18px rgba(43, 56, 93, .06);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent);
}
.mm-track {
  display: flex;
  width: max-content;
  animation: mmScroll 50s linear infinite;
}
.model-marquee:hover .mm-track { animation-play-state: paused; }
@keyframes mmScroll { to { transform: translateX(-50%); } }
.mm-group {
  display: flex;
  align-items: center;
  gap: 28px;
  padding-right: 28px;
}
.mm-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: ui-monospace, SFMono-Regular, Consolas, Menlo, monospace;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
  transition: color .2s var(--ease-out), text-shadow .2s var(--ease-out);
}
.mm-chip:hover {
  color: var(--text);
  text-shadow: 0 0 12px rgba(var(--glow), .4);
}
.mm-chip i {
  width: 4.5px;
  height: 4.5px;
  border-radius: 50%;
  background: var(--d, var(--accent));
  box-shadow: 0 0 7px var(--d, rgba(var(--glow-cyan), .85));
  flex-shrink: 0;
}

/* ===== 7. 侧栏:导航渐变指示条 ===== */
.nav-item { position: relative; }
.nav-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24%;
  bottom: 24%;
  width: 2.5px;
  border-radius: 99px;
  background: var(--grad-brand);
  box-shadow: 0 0 10px rgba(var(--glow), .55);
  opacity: 0;
  transform: scaleY(.35);
  transition: opacity .2s var(--ease-out), transform .2s var(--ease-out);
  pointer-events: none;
}
.nav-item:hover::before { opacity: 1; transform: scaleY(1); }
.sidebar.nav-collapsed .nav-item::before { display: none; }

/* ===== 7b. 侧栏高级化:分组标签 + 品牌渐变阶图标舱 ===== */
/* 舱体顶部品牌辉光氛围 */
.sidebar {
  background-image: radial-gradient(130% 36% at 50% 0%, rgba(var(--glow), .06), transparent 70%);
}
/* 分组小标题(等宽大写 + 渐隐发丝线) */
.nav-group-label {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 9px 8px 4px;
  font: 800 9px/1 ui-monospace, SFMono-Regular, Consolas, Menlo, monospace;
  letter-spacing: .18em;
  color: var(--text-muted);
  user-select: none;
  -webkit-user-select: none;
}
.nav-group-label:first-child { margin-top: 5px; }
.nav-group-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border-soft), transparent);
}
.sidebar.nav-collapsed .nav-group-label { display: none; }
/* 图标舱:半透明同色玻璃底,去掉旧滤镜 */
.nav-ico {
  filter: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .14);
  border: 1px solid transparent;
}
/* 品牌渐变阶:青 → 天蓝 → 靛 → 紫(内联 --ic/--icbg 用 !important 覆盖) */
.nav-menu button.nav-item:nth-of-type(1) .nav-ico { --ic: #06b6d4 !important; --icbg: rgba(6, 182, 212, .11) !important; }
.nav-menu button.nav-item:nth-of-type(2) .nav-ico { --ic: #38bdf8 !important; --icbg: rgba(56, 189, 248, .11) !important; }
.nav-menu button.nav-item:nth-of-type(3) .nav-ico { --ic: #6366f1 !important; --icbg: rgba(99, 102, 241, .11) !important; }
.nav-menu button.nav-item:nth-of-type(4) .nav-ico { --ic: #818cf8 !important; --icbg: rgba(129, 140, 248, .11) !important; }
.nav-menu button.nav-item:nth-of-type(5) .nav-ico { --ic: #a855f7 !important; --icbg: rgba(168, 85, 247, .1) !important; }
.nav-menu button.nav-item:nth-of-type(6) .nav-ico { --ic: #8b5cf6 !important; --icbg: rgba(139, 92, 246, .1) !important; }
.nav-menu button.nav-item:nth-of-type(7) .nav-ico { --ic: #7c3aed !important; --icbg: rgba(124, 58, 237, .1) !important; }
.nav-menu button.nav-item:nth-of-type(8) .nav-ico { --ic: #c084fc !important; --icbg: rgba(192, 132, 252, .1) !important; }
/* 悬停:同色辉光 + 同色描边 */
.nav-menu button.nav-item:nth-of-type(1):hover .nav-ico { box-shadow: inset 0 1px 0 rgba(255, 255, 255, .14), 0 0 14px rgba(6, 182, 212, .3); border-color: rgba(6, 182, 212, .35); }
.nav-menu button.nav-item:nth-of-type(2):hover .nav-ico { box-shadow: inset 0 1px 0 rgba(255, 255, 255, .14), 0 0 14px rgba(56, 189, 248, .3); border-color: rgba(56, 189, 248, .35); }
.nav-menu button.nav-item:nth-of-type(3):hover .nav-ico { box-shadow: inset 0 1px 0 rgba(255, 255, 255, .14), 0 0 14px rgba(99, 102, 241, .3); border-color: rgba(99, 102, 241, .35); }
.nav-menu button.nav-item:nth-of-type(4):hover .nav-ico { box-shadow: inset 0 1px 0 rgba(255, 255, 255, .14), 0 0 14px rgba(129, 140, 248, .3); border-color: rgba(129, 140, 248, .35); }
.nav-menu button.nav-item:nth-of-type(5):hover .nav-ico { box-shadow: inset 0 1px 0 rgba(255, 255, 255, .14), 0 0 14px rgba(168, 85, 247, .3); border-color: rgba(168, 85, 247, .35); }
.nav-menu button.nav-item:nth-of-type(6):hover .nav-ico { box-shadow: inset 0 1px 0 rgba(255, 255, 255, .14), 0 0 14px rgba(139, 92, 246, .3); border-color: rgba(139, 92, 246, .35); }
.nav-menu button.nav-item:nth-of-type(7):hover .nav-ico { box-shadow: inset 0 1px 0 rgba(255, 255, 255, .14), 0 0 14px rgba(124, 58, 237, .3); border-color: rgba(124, 58, 237, .35); }
.nav-menu button.nav-item:nth-of-type(8):hover .nav-ico { box-shadow: inset 0 1px 0 rgba(255, 255, 255, .14), 0 0 14px rgba(192, 132, 252, .3); border-color: rgba(192, 132, 252, .35); }
html[data-theme="dark"] .nav-ico { box-shadow: inset 0 1px 0 rgba(255, 255, 255, .07); }
/* 徽章:统一等宽字体质感 */
.nav-item .ni-badge,
.nav-item .api-nav-badge,
.nav-item .qq-nav-tag { font-family: ui-monospace, SFMono-Regular, Consolas, Menlo, monospace; }

/* ===== 8. 全局精修:渐变滚动条 / 顶栏发丝线 / 输入舱微光 ===== */
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(var(--glow-cyan), .3), rgba(var(--glow), .45));
  border-radius: 99px;
}
::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, rgba(var(--glow-cyan), .5), rgba(var(--glow), .65));
}
.main-header::after {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--glow), .4), rgba(var(--glow-cyan), .3), transparent);
  opacity: .55;
  pointer-events: none;
}
.input-box {
  box-shadow:
    var(--shadow),
    0 0 0 1px rgba(var(--glow), .06),
    0 10px 40px rgba(var(--glow), .08),
    inset 0 1px 0 rgba(255, 255, 255, .12);
}
html[data-theme="light"] .input-box {
  box-shadow:
    var(--shadow),
    0 0 0 1px rgba(var(--glow), .05),
    0 10px 32px rgba(var(--glow), .07),
    inset 0 1px 0 rgba(255, 255, 255, .6);
}
::selection { background: rgba(var(--glow), .32); color: inherit; }
html[data-theme="light"] ::selection { background: rgba(var(--glow), .2); }

/* 眉题挂进 v3 首屏错峰编排(logo 0 → kicker .03 → 徽章 .06) */
.welcome-hero > .hero-kicker { animation: welcomeIn .5s var(--ease-out) backwards; animation-delay: .03s; }

/* ===== 8b. 首屏垂直收紧:让 Hero + 卡片 + 芯片 + 跑马灯在 1080p 一屏放下 ===== */
.welcome { padding: 18px 28px 20px; }
.welcome-logo { width: 68px; height: 68px; border-radius: 20px; margin-bottom: 14px; }
.wl-ring { inset: -8px; border-radius: 26px; }
.hero-kicker { margin: -2px 0 10px; }
.welcome-badges { margin-bottom: 14px; }
.welcome-title { font-size: clamp(32px, 4.2vw, 48px); line-height: 1.12; }
.welcome-desc { margin: 12px 0 20px; }
.suggest-cards { gap: 12px; }
.suggest-card { min-height: 82px; padding: 14px 15px 14px 13px; }
.sc-num { font-size: 36px; }
.sc-icon { flex: 0 0 40px; width: 40px; height: 40px; border-radius: 11px; }
.sc-icon svg { width: 18px; height: 18px; }
.model-quick { margin-top: 16px; }
.mm-head { margin: 14px auto 8px; }
.model-marquee { padding: 9px 0; border-radius: 12px; }

/* ===== 9. reduced-motion 守卫 ===== */
@media (prefers-reduced-motion: reduce) {
  .hero-kicker i,
  .wt-grad,
  .welcome-logo::after,
  .mq-chip.active,
  .mm-track { animation: none !important; }
  .suggest-card::before { transition: none !important; }
}

/* ===== 9. QQ 弹窗换装:teal 绿 → 品牌靛紫(与全站极光同族) ===== */
/* Hero 深青渐变 → 深空靛紫渐变 */
.qq-hero { background: linear-gradient(125deg, #0b1030 0%, #1e1b5e 45%, #452a85 100%); }
.qq-aurora-one { background: radial-gradient(circle, rgba(103, 232, 249, .32), transparent 68%); }
.qq-aurora-two { background: radial-gradient(circle, rgba(196, 181, 253, .3), transparent 68%); }
/* 认证徽标呼吸点:绿 → 靛蓝 */
.qq-verified i { background: #a5b4fc; box-shadow: 0 0 10px rgba(165, 180, 252, .65); }
/* 已认证小徽章 + 群号大数字:绿 → 品牌靛 */
.qq-number-label b { color: #6366f1; background: rgba(99, 102, 241, .12); border-color: rgba(99, 102, 241, .32); }
.qq-number { color: var(--primary); text-shadow: 0 0 20px rgba(var(--glow), .22); }
/* 复制群号按钮:teal 渐变 → 靛紫品牌渐变 */
.qq-copy-btn {
  background: linear-gradient(135deg, #6366f1, #a855f7);
  box-shadow: 0 7px 18px rgba(2, 6, 23, .35), 0 0 16px rgba(129, 140, 248, .3), inset 0 1px 0 rgba(255, 255, 255, .25);
}
.qq-copy-btn:hover {
  box-shadow: 0 11px 24px rgba(2, 6, 23, .45), 0 0 22px rgba(129, 140, 248, .42), inset 0 1px 0 rgba(255, 255, 255, .25);
}
/* 三张权益卡图标:答疑卡绿渐变 → 青蓝渐变(三卡成 天蓝→青蓝→紫红 渐变阶) */
.qq-benefit-help .qq-benefit-icon { background: linear-gradient(135deg, #06b6d4, #3b82f6); --qb-glow: rgba(6, 182, 212, .45); }
/* 入群三步骤:teal → 靛紫 */
.qq-steps { border-color: rgba(99, 102, 241, .35); background: rgba(99, 102, 241, .05); }
.qq-step b { background: linear-gradient(135deg, #6366f1, #a855f7); box-shadow: 0 3px 8px -2px rgba(99, 102, 241, .5); }
.qq-steps i { background: linear-gradient(90deg, #a5b4fc, #c4b5fd); }
/* 底部提示呼吸点:teal → 品牌色 */
.qq-group-tip i { background: var(--primary); box-shadow: 0 0 10px rgba(var(--glow), .6); }

/* ===== 9b. 三大业务弹窗换装:统一「深空靛紫」Hero + 去琥珀噪音 ===== */
/* -- 积分购买 -- */
/* Hero:紫→靛→青 收尾改深空靛紫 */
.points-head { background: linear-gradient(120deg, #1e1b4b 0%, #4338ca 48%, #6d28d9 100%); }
.points-head-kicker i { background: #a5b4fc; box-shadow: 0 0 10px rgba(165, 180, 252, .6); }
/* 角标胶囊:琥珀/红 → 品牌紫(默认/翻倍/开发者首选/选中) */
.pc-tag-line { background: linear-gradient(135deg, #8b5cf6, #a855f7); box-shadow: 0 3px 10px rgba(139, 92, 246, .45), inset 0 1px rgba(255, 255, 255, .35); }
.points-card.best .pc-tag-line { background: linear-gradient(135deg, #a855f7, #d946ef); box-shadow: 0 3px 10px rgba(168, 85, 247, .5), inset 0 1px rgba(255, 255, 255, .35); }
.points-card.active .pc-tag-line { background: linear-gradient(135deg, #6366f1, #a855f7); box-shadow: 0 3px 10px rgba(99, 102, 241, .5), inset 0 1px rgba(255, 255, 255, .35); }
/* 赠送额度胶囊:琥珀 → 淡紫 */
.pc-gift.has-bonus { color: #a78bfa; border-color: rgba(167, 139, 250, .42); background: rgba(139, 92, 246, .09); }
.points-card.best .pc-gift.has-bonus { color: #fff; border-color: transparent; background: linear-gradient(135deg, #8b5cf6, #a855f7); box-shadow: 0 2px 8px rgba(168, 85, 247, .4); }
/* best 档:琥珀描边/底色/价格 → 紫水晶 */
.points-card.best { border-color: rgba(168, 85, 247, .5); background: rgba(168, 85, 247, .05); box-shadow: 0 6px 20px rgba(168, 85, 247, .14); }
.points-card.best:hover { border-color: rgba(168, 85, 247, .7); box-shadow: 0 12px 28px rgba(168, 85, 247, .2), var(--glow-shadow); }
.points-card.best.active { border-color: rgba(168, 85, 247, .7); background: rgba(168, 85, 247, .11); box-shadow: 0 0 0 3px rgba(168, 85, 247, .16), 0 12px 26px rgba(168, 85, 247, .2); }
.points-card.best .pc-price { color: #a855f7; }
.points-card.best::after {
  background: conic-gradient(from var(--spin), #22d3ee, #6366f1 35%, #d946ef 68%, #22d3ee);
}
/* 支付方式选中态:微信绿框 → 品牌靛(微信/支付宝图标保留各自品牌色) */
.pay-method.active.wxpay {
  border-color: rgba(var(--glow), .55);
  background: rgba(var(--glow), .06);
  box-shadow: 0 0 0 3px rgba(var(--glow), .12), 0 7px 17px rgba(var(--glow), .14);
}

/* -- 邀请返利 -- */
/* Hero:玫红 → 靛→紫→洋红 深空渐变(保留一点奖励感,落回品牌族) */
.referral-banner { background: linear-gradient(120deg, #312e81 0%, #6d28d9 55%, #a21caf 100%); }
.referral-banner::before { background: radial-gradient(circle, rgba(196, 181, 253, .3), transparent 70%); }
.rb-tag i { background: #a5b4fc; box-shadow: 0 0 8px rgba(165, 180, 252, .6); }
.rb-rate strong { text-shadow: 0 0 22px rgba(196, 181, 253, .45); }

/* -- 个人中心 -- */
/* Hero:亮蓝紫 → 深空靛紫,与积分/邀请同族 */
.profile-hero { background: linear-gradient(120deg, #1e1b4b 0%, #4338ca 48%, #6d28d9 100%); }

/* ===== 10. 移动端微调 ===== */
@media (max-width: 768px) {
  .hero-kicker { margin-top: 0; font-size: 9.5px; letter-spacing: .14em; padding: 5px 11px; }
  .welcome-logo::after { inset: -12px; }
  .mm-head { margin-top: 20px; }
  .mm-group { gap: 20px; padding-right: 20px; }
  .mm-chip { font-size: 10.5px; }
}