/* AI 充值中心 · 用户端 v2.6（长兑换码换行修复）
   兑换码优先流程 + 动态科技背景 */
:root {
  --bg: #05090a;
  --panel: #0a1114;
  --panel-2: #070d10;
  --line: #24343b;
  --field: #04080a;
  /* 玻璃材质 */
  --glass: linear-gradient(158deg, rgb(40 60 68 / 0.5), rgb(9 16 20 / 0.76));
  --glass-blur: blur(30px) saturate(160%);
  --glass-rim: inset 0 0 0 1px rgb(255 255 255 / 0.05);
  --glass-top: inset 0 1px 0 rgb(255 255 255 / 0.06);
  --glass-shadow: 0 44px 88px -36px rgb(0 0 0 / 0.95), 0 10px 28px -14px rgb(0 0 0 / 0.72);
  --ink: #e8f2f0;
  --ink-2: #9db0b3;
  --ink-3: #64777b;
  --gpt: #10b981;
  --claude: #c39cff;
  --accent: var(--gpt);
  --warn: #f0a83c;
  --bad: #ef6a5a;
  --ease: cubic-bezier(0.2, 0, 0, 1);
  --r-lg: 18px;
  --r-md: 12px;
  --mono: "SF Mono", ui-monospace, "JetBrains Mono", Consolas, monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  /* 关闭系统字体自动放大：否则手机上文字被放大后会撑破布局 */
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.65 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden; /* 兜底：装饰层已由 .bg-stage 裁剪，这里防止任何意外的横向滚动 */
}
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, textarea { font: inherit; color: inherit; }
.mono { font-family: var(--mono); letter-spacing: 0.02em; overflow-wrap: anywhere; }
.is-hidden { display: none !important; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
[data-lucide] { width: 18px; height: 18px; stroke-width: 1.75; flex: none; }

/* ===== 背景层 ===== */
/* 所有装饰层都装在这个固定容器里并被裁剪，避免在手机上撑出横向滚动 */
.bg-stage { position: fixed; inset: 0; overflow: hidden; pointer-events: none; z-index: -10; }
.bg-stage > * { position: absolute; }
#bg { position: absolute; inset: 0; z-index: 7; pointer-events: none; }
#bg canvas { width: 100%; height: 100%; display: block; }
.bg-grid {
  position: absolute; inset: 0; z-index: 4; pointer-events: none;
  background-image: linear-gradient(rgb(255 255 255 / 0.032) 1px, transparent 1px),
    linear-gradient(90deg, rgb(255 255 255 / 0.032) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 120% 85% at 50% 0%, #000 25%, transparent 80%);
  animation: gridDrift 26s linear infinite;
}
@keyframes gridDrift { to { background-position: 56px 56px, 56px 56px; } }
.bg-horizon {
  position: absolute; left: -20%; right: -20%; bottom: -6vh; height: 52vh; z-index: 3; pointer-events: none;
  perspective: 240px; perspective-origin: 50% 0; opacity: 0.8;
  mask-image: linear-gradient(to top, #000 5%, transparent 85%);
}
.bg-horizon i {
  position: absolute; inset: 0; transform: rotateX(76deg); transform-origin: 50% 0;
  background-image: linear-gradient(color-mix(in oklab, var(--accent) 52%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in oklab, var(--accent) 38%, transparent) 1px, transparent 1px);
  background-size: 70px 70px;
  animation: horizon 7s linear infinite;
  transition: background-image 700ms var(--ease);
}
@keyframes horizon { to { background-position: 0 70px, 0 0; } }
.bg-rings {
  position: absolute; top: -14vh; left: 50%; width: min(1180px, 128vw); aspect-ratio: 1;
  translate: -50% 0; z-index: 2; pointer-events: none; opacity: 0.6;
}
.bg-rings i {
  position: absolute; inset: 0; border-radius: 50%;
  border: 1px dashed color-mix(in oklab, var(--accent) 26%, transparent);
  mask-image: radial-gradient(closest-side, #000 76%, transparent 79%), linear-gradient(to bottom, #000 30%, transparent 72%);
  mask-composite: intersect;
  animation: spin 90s linear infinite;
  transition: border-color 700ms var(--ease);
}
.bg-rings i:nth-child(2) { inset: 12%; border-style: solid; border-color: color-mix(in oklab, var(--accent) 16%, transparent); animation-duration: 62s; animation-direction: reverse; }
.bg-rings i:nth-child(3) { inset: 26%; border-style: dotted; animation-duration: 44s; }
.bg-aurora {
  position: absolute; inset: -20% -10% auto; height: 85vh; z-index: 1; pointer-events: none;
  filter: blur(60px); opacity: 0.85;
  background: radial-gradient(38% 46% at 18% 34%, color-mix(in oklab, var(--accent) 34%, transparent), transparent 72%),
    radial-gradient(34% 40% at 76% 26%, color-mix(in oklab, var(--accent) 20%, transparent), transparent 72%),
    radial-gradient(30% 36% at 52% 62%, color-mix(in oklab, var(--accent) 12%, transparent), transparent 74%);
  transition: background 700ms var(--ease);
  animation: auroraDrift 22s ease-in-out infinite alternate;
}
@keyframes auroraDrift {
  50% { transform: translate3d(3%, 22px, 0) scale(1.06); }
  100% { transform: translate3d(-3%, 10px, 0) scale(1.03); }
}
.bg-sweep { position: absolute; inset: 0; z-index: 8; pointer-events: none; overflow: hidden; }
.bg-sweep i {
  position: absolute; left: 0; right: 0; height: 38vh;
  background: linear-gradient(to bottom, transparent, color-mix(in oklab, var(--accent) 9%, transparent) 55%, transparent);
  animation: sweep 11s var(--ease) infinite;
  transition: background 700ms var(--ease);
}
@keyframes sweep {
  0% { translate: 0 -45vh; opacity: 0; }
  12% { opacity: 1; }
  88% { opacity: 1; }
  100% { translate: 0 110vh; opacity: 0; }
}
.bg-vignette { position: absolute; inset: 0; z-index: 9; pointer-events: none; background: radial-gradient(135% 100% at 50% 0%, transparent 52%, rgb(3 6 7 / 0.55) 100%); }
.bg-noise {
  position: absolute; inset: 0; z-index: 10; pointer-events: none; opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}
@keyframes spin { to { rotate: 360deg; } }

/* ===== 顶栏 ===== */
.topbar { position: sticky; top: 0; z-index: 30; backdrop-filter: blur(20px) saturate(140%); -webkit-backdrop-filter: blur(20px) saturate(140%); background: rgb(6 11 13 / 0.55); box-shadow: 0 1px 0 rgb(255 255 255 / 0.04); }
.bar { max-width: 1080px; margin: 0 auto; padding: 0 20px; min-height: 62px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.brand > span { min-width: 0; overflow-wrap: anywhere; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 650; letter-spacing: -0.01em; }
.mark {
  position: relative; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(145deg, color-mix(in oklab, var(--accent) 30%, #0b1417), #0b1417);
  box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--accent) 35%, transparent);
  color: var(--accent); transition: color 400ms var(--ease), background 400ms var(--ease);
}
.brand small { display: block; color: var(--ink-3); font-size: 11px; font-weight: 400; letter-spacing: 0.14em; text-transform: uppercase; }
.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.link-btn { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; color: var(--ink-2); padding: 7px 10px; border-radius: 9px; transition: color 150ms var(--ease), background-color 150ms var(--ease); }
.link-btn:hover { color: var(--accent); background: var(--panel); }
.status-pill { display: flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px; background: rgb(255 255 255 / 0.05); box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.055); font-size: 13px; color: var(--ink-2); }
.dot-live { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 color-mix(in oklab, var(--accent) 60%, transparent); animation: pulse 2.4s var(--ease) infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 7px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }

/* ===== 主区 ===== */
.redeem-main { max-width: 1080px; margin: 0 auto; padding: 36px 20px 80px; }
.public-warning {
  display: flex; gap: 12px; max-width: 760px; margin: 0 auto 24px; padding: 14px 16px; border-radius: var(--r-md);
  background: color-mix(in oklab, var(--warn) 10%, var(--field)); box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--warn) 38%, transparent);
  color: #f6dcb4; font-size: 13.5px;
}
.public-warning i { color: var(--warn); margin-top: 2px; }
.public-warning strong { display: block; color: #fff; }
.hero { text-align: center; margin-bottom: 30px; }
.kicker { display: inline-flex; align-items: center; gap: 8px; padding: 5px 12px; border-radius: 999px; background: rgb(255 255 255 / 0.05); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.055); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-2); }
.hero h1 { font-size: clamp(26px, 4.4vw, 40px); line-height: 1.2; letter-spacing: -0.02em; margin: 16px 0 10px; text-wrap: balance; }
.hero h1 em { font-style: normal; color: var(--accent); transition: color 400ms var(--ease); }
.hero p { color: var(--ink-2); max-width: 34em; margin: 0 auto; text-wrap: pretty; }

/* 进度轨 */
.rail { display: flex; align-items: center; max-width: 640px; margin: 26px auto 0; }
.rail .node { display: flex; flex-direction: column; align-items: center; gap: 8px; flex: 0 1 auto; min-width: 0; max-width: 40%; }
.rail .bead {
  position: relative; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%;
  background: rgb(255 255 255 / 0.05); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.06); color: var(--ink-3); font-size: 13px; font-weight: 600;
  transition: background-color 300ms var(--ease), color 300ms var(--ease), box-shadow 300ms var(--ease);
}
.rail .bead svg { position: absolute; scale: 0.25; opacity: 0; filter: blur(4px); transition: scale 300ms var(--ease), opacity 300ms var(--ease), filter 300ms var(--ease); }
.rail .bead b { transition: scale 300ms var(--ease), opacity 300ms var(--ease), filter 300ms var(--ease); }
.node[data-state="active"] .bead { background: color-mix(in oklab, var(--accent) 18%, var(--panel)); color: var(--accent); box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--accent) 55%, transparent), 0 0 20px -6px var(--accent); }
.node[data-state="done"] .bead { background: var(--accent); color: #06100d; box-shadow: none; }
.node[data-state="done"] .bead b { scale: 0.25; opacity: 0; filter: blur(4px); }
.node[data-state="done"] .bead svg { scale: 1; opacity: 1; filter: blur(0); }
.rail .label { font-size: 12.5px; color: var(--ink-3); text-align: center; line-height: 1.35; overflow-wrap: anywhere; transition: color 300ms var(--ease); }
.node[data-state="active"] .label, .node[data-state="done"] .label { color: var(--ink); }
.rail .link { flex: 1; height: 2px; border-radius: 2px; background: var(--line); position: relative; margin-bottom: 26px; overflow: hidden; }
.rail .link::after { content: ""; position: absolute; inset: 0; background: var(--accent); translate: -100% 0; transition: translate 600ms var(--ease); }
.rail .link[data-on="true"]::after { translate: 0 0; }

/* ===== 卡片 ===== */
.gate { max-width: 560px; margin: 0 auto; }
.flow { display: grid; gap: 16px; max-width: 760px; margin: 0 auto; }
.card {
  position: relative; border-radius: var(--r-lg); overflow: hidden;
  background: var(--glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-top), var(--glass-rim), var(--glass-shadow);
  transition: box-shadow 300ms var(--ease), opacity 300ms var(--ease);
}
/* 顶部高光：让玻璃有厚度 */
.card::before {
  content: ""; position: absolute; inset: 0 0 auto; height: 45%; pointer-events: none;
  background: linear-gradient(to bottom, rgb(255 255 255 / 0.045), transparent);
}
.card[data-active="true"] {
  box-shadow: var(--glass-top), inset 0 0 0 1px color-mix(in oklab, var(--accent) 14%, rgb(255 255 255 / 0.06)),
    inset 0 0 60px -26px color-mix(in oklab, var(--accent) 45%, transparent), var(--glass-shadow);
}
.card[data-locked="true"] { opacity: 0.5; }
.card[data-locked="true"] .card-body { pointer-events: none; }
.card-top { position: relative; z-index: 1; display: flex; align-items: center; gap: 10px 12px; padding: 16px 18px; flex-wrap: wrap; }
.idx { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 8px; background: var(--panel-2); box-shadow: inset 0 0 0 1px var(--line); font-size: 12px; font-weight: 600; color: var(--ink-3); font-family: var(--mono); }
.card[data-active="true"] .idx { color: var(--accent); box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--accent) 45%, transparent); }
.card-top h2 { font-size: 15.5px; font-weight: 620; letter-spacing: -0.01em; min-width: 0; overflow-wrap: anywhere; }
.card-top .hint { color: var(--ink-3); font-size: 13px; margin-left: auto; text-align: right; min-width: 0; overflow-wrap: anywhere; }
.card-body { position: relative; z-index: 1; padding: 0 18px 18px; }
.card-body.tight { padding-bottom: 16px; }
/* 查询入口 */
.query-entry { max-width: 560px; margin: 22px auto 0; text-align: center; }
.query-entry-btn {
  width: 100%; display: flex; align-items: center; gap: 10px; padding: 15px 18px; border-radius: var(--r-lg);
  background: var(--glass);
  backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-top), var(--glass-rim), 0 26px 54px -32px rgb(0 0 0 / 0.9);
  color: var(--ink); font-size: 14.5px; font-weight: 560;
  transition-property: scale, box-shadow, color, background-color; transition-duration: 150ms; transition-timing-function: var(--ease);
}
.query-entry-btn span { min-width: 0; overflow-wrap: anywhere; }
.query-entry-btn i { color: var(--accent); }
.query-entry-btn .chev { margin-left: auto; color: var(--ink-3); transition: translate 150ms var(--ease); }
.query-entry-btn:hover { background: linear-gradient(158deg, rgb(48 70 79 / 0.55), rgb(11 19 23 / 0.78)); box-shadow: var(--glass-top), var(--glass-rim), 0 26px 54px -28px rgb(0 0 0 / 0.9); }
.query-entry-btn:hover .chev { translate: 3px 0; color: var(--accent); }
.query-entry-btn:active { scale: 0.96; }
.query-entry p { margin-top: 10px; font-size: 12.5px; color: var(--ink-3); }

/* 查询弹窗 */
.query-modal-card { width: min(640px, 100%); text-align: left; gap: 14px; }
.query-modal-card form { display: grid; gap: 12px; }
.query-modal-card .submit { margin-top: 0; }
.modal-head { display: flex; align-items: flex-start; gap: 12px; }
.modal-title { display: flex; align-items: center; gap: 12px; }
.modal-icon { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; flex: none;
  background: color-mix(in oklab, var(--accent) 16%, transparent); color: var(--accent); }
.modal-title strong { display: block; font-size: 16px; }
.modal-title small { color: var(--ink-3); font-size: 12.5px; }
.icon-close { margin-left: auto; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px;
  color: var(--ink-3); box-shadow: inset 0 0 0 1px var(--line);
  transition-property: scale, color, box-shadow; transition-duration: 150ms; transition-timing-function: var(--ease); }
.icon-close:hover { color: var(--ink); box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--accent) 45%, transparent); }
.icon-close:active { scale: 0.96; }
.query-modal-card .record-box { max-height: 46vh; overflow: auto; margin-top: 0; }

/* 表单 */
.field { display: block; margin-top: 14px; }
.field-label { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-2); margin-bottom: 8px; }
.field-label em { font-style: normal; font-size: 11px; padding: 1px 6px; border-radius: 5px; background: color-mix(in oklab, var(--warn) 16%, transparent); color: var(--warn); }
.input, .ta, textarea#tokenInput, textarea#queryCodeInput {
  width: 100%; background: rgb(3 7 9 / 0.55); border: 0; border-radius: var(--r-md); padding: 13px 14px; color: var(--ink);
  box-shadow: inset 0 2px 6px rgb(0 0 0 / 0.5), inset 0 0 0 1px rgb(255 255 255 / 0.045); outline: 0;
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  transition: box-shadow 200ms var(--ease), background-color 200ms var(--ease);
}
textarea#tokenInput, textarea#queryCodeInput, .ta { font-family: var(--mono); font-size: 12.5px; line-height: 1.7; resize: vertical; }
.input::placeholder, textarea::placeholder { color: #4d6065; }
.input:focus, textarea:focus {
  background: rgb(5 12 15 / 0.65);
  box-shadow: inset 0 2px 6px rgb(0 0 0 / 0.5), inset 0 0 0 1px color-mix(in oklab, var(--accent) 42%, transparent),
    0 0 0 3px color-mix(in oklab, var(--accent) 8%, transparent);
}
.input.is-invalid { box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--bad) 55%, transparent); }
.input.is-valid { box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--accent) 50%, transparent); }
.field-attention { animation: shake 420ms var(--ease); }
@keyframes shake { 25% { translate: -4px 0; } 75% { translate: 4px 0; } }
.help { display: flex; gap: 8px; font-size: 12.5px; color: var(--ink-3); margin-top: 10px; }
.help.center { justify-content: center; }
.help i { margin-top: 2px; width: 14px; height: 14px; }

/* 兑换码入口 */
.code-wrap { position: relative; border-radius: var(--r-md); overflow: hidden; }
.code-wrap .input.code { height: 60px; min-width: 0; font-size: clamp(15px, 4.4vw, 20px); text-align: center; letter-spacing: 0.12em; font-family: var(--mono); text-transform: uppercase; }
.scanline { position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity 200ms var(--ease); background: linear-gradient(90deg, transparent, color-mix(in oklab, var(--accent) 40%, transparent), transparent); }
.code-wrap[data-scan="true"] .scanline { opacity: 1; animation: scan 1.1s var(--ease) infinite; }
@keyframes scan { from { translate: -100% 0; } to { translate: 100% 0; } }
.verify {
  position: relative; width: 100%; height: 50px; margin-top: 12px; border-radius: 13px; font-size: 15.5px; font-weight: 650;
  color: #06100d; background: var(--accent); overflow: hidden; box-shadow: 0 12px 34px -18px var(--accent);
  transition-property: scale, background-color, color, opacity, box-shadow; transition-duration: 200ms; transition-timing-function: var(--ease);
}
.verify:disabled { background: var(--panel-2); color: var(--ink-3); box-shadow: none; cursor: not-allowed; }
.verify:not(:disabled):active { scale: 0.96; }
.verify .lbl-swap { position: relative; display: grid; place-items: center; height: 100%; }
.verify .lbl-swap > span { position: absolute; display: flex; align-items: center; gap: 8px; scale: 0.25; opacity: 0; filter: blur(4px); transition: scale 300ms var(--ease), opacity 300ms var(--ease), filter 300ms var(--ease); }
.verify .lbl-swap > span[data-show="true"] { scale: 1; opacity: 1; filter: blur(0); }
.spin { animation: spin 900ms linear infinite; }

/* 校验状态条 */
.code-state, .status-strip {
  display: flex; align-items: center; gap: 10px; margin-top: 12px; padding: 12px 14px; border-radius: var(--r-md);
  background: rgb(3 7 9 / 0.5); box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.045); font-size: 13.5px; color: var(--ink-2);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  transition: box-shadow 250ms var(--ease), background-color 250ms var(--ease), color 250ms var(--ease);
}
.code-state strong { display: block; color: var(--ink); font-size: 14px; }
.code-state small { color: var(--ink-3); }
.code-state .state-icon { display: grid; place-items: center; width: 22px; height: 22px; flex: none; color: var(--ink-3); }
.code-state.valid, .code-state.used, .status-strip.success { background: color-mix(in oklab, var(--accent) 9%, var(--field)); box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--accent) 24%, transparent); }
.code-state.valid .state-icon, .code-state.used .state-icon, .status-strip.success { color: var(--accent); }
.code-state.invalid { background: color-mix(in oklab, var(--bad) 10%, var(--field)); box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--bad) 30%, transparent); color: #ffd9d3; }
.code-state.invalid .state-icon { color: var(--bad); }
.code-state.checking .state-icon { color: var(--accent); animation: spin 900ms linear infinite; }
.status-strip.success span { color: var(--ink); }

/* 摘要条 */
.summary-bar {
  position: relative; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 14px 18px; border-radius: var(--r-lg);
  background: var(--glass);
  backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-top), inset 0 0 0 1px color-mix(in oklab, var(--accent) 14%, rgb(255 255 255 / 0.06)),
    inset 0 0 50px -24px color-mix(in oklab, var(--accent) 40%, transparent), var(--glass-shadow);
}
.summary-bar .ok { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: #06100d; flex: none; }
/* 兑换码 / 服务 / 套餐打包成一个可伸缩的组：它 flex-grow 吃掉所有余量，
   所以「更换兑换码」的 auto 外边距在同一行里解析为 0（贴右），
   一旦挤到第二行独占一行，左右 auto 就把它居中。 */
.summary-bar .sum-meta { display: flex; align-items: center; gap: 10px; flex: 1 1 0; min-width: 0; }
/* 兑换码只截断不换行：长串换行会把卡片撑成两三行，排版很难看。
   min-width:0 + overflow:hidden 保证它能被压缩到任意窄度，
   不会像当初 nowrap 那样用最小内容宽度撑宽手机布局视口。 */
.summary-bar .code { font-family: var(--mono); font-size: 13.5px; letter-spacing: 0.08em;
  flex: 0 1 auto; min-width: 3.5em; max-width: 28ch; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; line-height: 1.5; }
.summary-bar .sep { color: var(--ink-3); flex: none; }
.summary-bar .badge-kind { flex: none; }
.summary-bar .plan { color: var(--ink-2); font-size: 13.5px; flex: 0 4 auto; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.summary-bar .swap { flex: none; margin-inline: auto; font-size: 13px; color: var(--ink-2); padding: 7px 12px; border-radius: 9px; box-shadow: inset 0 0 0 1px var(--line); transition: color 150ms var(--ease), box-shadow 150ms var(--ease), scale 150ms var(--ease); }
.summary-bar .swap:hover { color: var(--accent); box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--accent) 50%, transparent); }
.summary-bar .swap:active { scale: 0.96; }
.badge-kind { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; font-size: 12.5px; background: color-mix(in oklab, var(--accent) 16%, transparent); color: var(--accent); }

/* 步骤指引 */
.guide { display: grid; gap: 10px; padding: 14px; border-radius: var(--r-md); background: rgb(3 7 9 / 0.45); box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.04); list-style: none; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.guide li { display: flex; gap: 11px; font-size: 13.5px; color: var(--ink-2); overflow-wrap: anywhere; }
.guide li > div { min-width: 0; flex: 1; }
.guide li b { display: grid; place-items: center; width: 20px; height: 20px; border-radius: 6px; flex: none; margin-top: 1px; background: color-mix(in oklab, var(--accent) 16%, transparent); color: var(--accent); font-size: 11px; font-family: var(--mono); }
.guide li strong { color: var(--ink); }
.guide .act { margin-top: 10px; display: flex; gap: 8px; flex-wrap: wrap; }
/* 步骤里的操作按钮做成实心：页面上「实心=可点」是统一语言，
   之前的描边款会被当成标签，客户不知道能点。 */
.btn-step {
  display: inline-flex; align-items: center; gap: 7px; min-height: 40px; padding: 9px 16px; border-radius: 11px; font-size: 14px; font-weight: 650;
  max-width: 100%; overflow-wrap: anywhere; text-align: left;
  color: #06100d; background: var(--accent);
  box-shadow: 0 10px 26px -14px var(--accent), inset 0 1px 0 rgb(255 255 255 / 0.25);
  transition-property: scale, background-color, box-shadow, filter; transition-duration: 150ms; transition-timing-function: var(--ease);
}
.btn-step:hover { filter: brightness(1.08); box-shadow: 0 12px 30px -12px var(--accent), inset 0 1px 0 rgb(255 255 255 / 0.3); }
.act-hint { display: block; width: 100%; margin-top: 6px; font-size: 12px; color: var(--ink-3); }
.btn-step:active { scale: 0.96; }
.btn-step i { width: 15px; height: 15px; }
.tip {
  display: flex; gap: 10px; margin-top: 12px; padding: 12px 14px; border-radius: var(--r-md); font-size: 13px; line-height: 1.6;
  background: color-mix(in oklab, var(--warn) 10%, var(--field)); box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--warn) 38%, transparent); color: #f6dcb4;
}
.tip i { color: var(--warn); margin-top: 2px; width: 16px; height: 16px; }
.tip b { color: #fff; }

/* 确认与提交 */
.kv { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.kv div { padding: 12px; border-radius: var(--r-md); background: rgb(3 7 9 / 0.45); box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.04); min-width: 0; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.kv small { display: block; color: var(--ink-3); font-size: 11.5px; letter-spacing: 0.08em; text-transform: uppercase; }
.kv b { font-size: 14.5px; font-weight: 600; overflow-wrap: anywhere; }
.kv b.mono { font-size: 12.5px; }
.submit {
  position: relative; width: 100%; height: 52px; margin-top: 16px; border-radius: 14px; font-size: 16px; font-weight: 680;
  color: #06100d; background: var(--accent); overflow: hidden; box-shadow: 0 12px 34px -16px var(--accent);
  transition-property: scale, opacity, background-color, box-shadow; transition-duration: 200ms; transition-timing-function: var(--ease);
}
.submit > span { display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
.submit:disabled { background: var(--panel-2); color: var(--ink-3); box-shadow: none; cursor: not-allowed; }
.submit:not(:disabled):active { scale: 0.96; }
.submit .sheen { position: absolute; inset: 0; background: linear-gradient(100deg, transparent 25%, rgb(255 255 255 / 0.45) 50%, transparent 75%); translate: -100% 0; }
.submit:not(:disabled):hover .sheen { animation: sheen 900ms var(--ease); }
@keyframes sheen { to { translate: 100% 0; } }
.submit.ghost { background: var(--panel-2); color: var(--ink); box-shadow: inset 0 0 0 1px var(--line); height: 46px; font-size: 15px; margin-top: 0; }
.submit.ghost:hover { box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--accent) 45%, transparent); color: var(--accent); }
.ghost-btn { padding: 0 16px; height: 44px; border-radius: 12px; color: var(--ink-2); box-shadow: inset 0 0 0 1px var(--line); transition: color 150ms var(--ease), scale 150ms var(--ease); }
.ghost-btn:hover { color: var(--ink); }
.ghost-btn:active { scale: 0.96; }
.foot-note { display: flex; justify-content: center; gap: 10px 18px; margin-top: 12px; font-size: 12.5px; color: var(--ink-3); flex-wrap: wrap; text-align: center; }
.foot-note span { display: flex; align-items: center; gap: 6px; }
.foot-note i { width: 14px; height: 14px; }

/* 等待面板 */
.recharge-wait { display: grid; gap: 14px; justify-items: center; text-align: center; padding: 20px 0 4px; }
.orb { position: relative; width: 84px; height: 84px; display: grid; place-items: center; }
.orb > i { position: absolute; inset: 0; border-radius: 50%; box-shadow: inset 0 0 0 1.5px color-mix(in oklab, var(--accent) 35%, transparent); animation: ripple 2.2s var(--ease) infinite; }
.orb > i:nth-child(2) { animation-delay: 0.7s; }
.orb > i:nth-child(3) { animation-delay: 1.4s; }
@keyframes ripple { from { scale: 0.6; opacity: 0; } 30% { opacity: 0.9; } to { scale: 1.25; opacity: 0; } }
.orb .core { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; background: color-mix(in oklab, var(--accent) 18%, var(--panel)); color: var(--accent); box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--accent) 45%, transparent); }
.wait-copy { display: grid; gap: 6px; }
.wait-copy strong { font-size: 17px; }
.wait-copy span { color: var(--ink-2); font-size: 14px; }
.wait-copy small { color: var(--ink-3); font-size: 12.5px; }

.status-panel { max-width: 560px; margin: 16px auto 0; }
.flow .status-panel, .status-panel.in-flow { max-width: 760px; }
.status-panel .card-body { padding: 6px 18px 18px; }

/* 消息与记录 */
.message-area:empty { display: none; }
.alert { margin-top: 12px; padding: 12px 14px; border-radius: var(--r-md); font-size: 13.5px; background: var(--field); box-shadow: inset 0 0 0 1px var(--line); color: var(--ink-2); }
.alert.success { background: color-mix(in oklab, var(--accent) 10%, var(--field)); box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--accent) 40%, transparent); color: var(--ink); }
.alert.danger { background: color-mix(in oklab, var(--bad) 10%, var(--field)); box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--bad) 30%, transparent); color: #ffd9d3; }
.alert.info { color: var(--ink-2); }
.record-box { margin-top: 12px; padding: 14px; border-radius: var(--r-md); background: rgb(3 7 9 / 0.45); box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.04); font-size: 13.5px; color: var(--ink-2); display: grid; gap: 10px; }
.record-box.empty { color: var(--ink-3); }
.record-item { display: grid; gap: 6px; padding: 12px; border-radius: 10px; background: rgb(255 255 255 / 0.04); box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.045); }
.record-item strong.record-code-title { font-family: var(--mono); font-size: 13px; letter-spacing: 0.08em; color: var(--ink); overflow-wrap: anywhere; word-break: break-all; }
.record-status { justify-self: start; display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12.5px; background: color-mix(in oklab, var(--accent) 16%, transparent); color: var(--accent); }
.record-status.rejected { background: color-mix(in oklab, var(--bad) 16%, transparent); color: #ffb3a8; }
.record-status.pending { background: color-mix(in oklab, var(--warn) 16%, transparent); color: var(--warn); }
.record-status.unused { background: var(--panel); color: var(--ink-2); box-shadow: inset 0 0 0 1px var(--line); }
.record-box dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; font-size: 12.5px; margin: 0; }
.record-box dt { color: var(--ink-3); white-space: nowrap; }
.record-box dd { color: var(--ink-2); margin: 0; overflow-wrap: anywhere; }
.record-list { gap: 12px; }

/* 弹窗 */
.notice-modal { position: fixed; inset: 0; z-index: 60; display: grid; place-items: center; padding: 20px; background: rgb(5 9 10 / 0.72); backdrop-filter: blur(6px); animation: fadeIn 200ms var(--ease); }
@keyframes fadeIn { from { opacity: 0; } }
.notice-card {
  position: relative; width: min(460px, 100%); display: grid; gap: 16px; padding: 24px; border-radius: 20px; text-align: center;
  background: linear-gradient(158deg, rgb(26 40 46 / 0.72), rgb(9 16 19 / 0.82));
  backdrop-filter: blur(30px) saturate(150%); -webkit-backdrop-filter: blur(30px) saturate(150%);
  box-shadow: var(--glass-top), var(--glass-rim), 0 50px 100px -30px rgb(0 0 0 / 0.95);
  animation: popIn 260ms var(--ease);
}
@keyframes popIn { from { opacity: 0; translate: 0 10px; scale: 0.98; } }
.notice-card strong { font-size: 17px; }
.notice-card p { color: var(--ink-2); font-size: 14px; margin-top: 6px; overflow-wrap: anywhere; }
.notice-icon { justify-self: center; display: grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; background: color-mix(in oklab, var(--warn) 16%, transparent); color: var(--warn); }
.notice-icon.success { background: color-mix(in oklab, var(--accent) 16%, transparent); color: var(--accent); }
.confirm-copy { display: grid; gap: 6px; margin-top: 10px; font-size: 13.5px; color: var(--ink-2); }
.confirm-copy b { color: var(--ink); overflow-wrap: anywhere; }
.confirm-actions { display: flex; gap: 10px; justify-content: center; }
.confirm-actions .submit { margin-top: 0; height: 44px; font-size: 15px; width: auto; padding: 0 22px; }
.plan-warning-meta { display: flex; justify-content: center; gap: 8px; margin-top: 8px; font-size: 13px; color: var(--ink-3); }
.plan-warning-meta b { color: var(--accent); }
.plan-warning-text { white-space: pre-wrap; text-align: left; max-height: 40vh; overflow: auto; }


/* 查询弹窗内的记录靠左排版（覆盖 .notice-card 的居中） */
.notice-card.query-modal-card { text-align: left; }
.notice-card.query-modal-card .record-box, .notice-card.query-modal-card .record-item { text-align: left; }
.notice-card.query-modal-card .record-item strong.record-code-title { display: block; }

.trust-footer { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px 18px; padding: 0 20px 40px; color: var(--ink-3); font-size: 12.5px; }

/* 入场动画 */
.enter { animation: rise 520ms var(--ease) both; }
.enter.delay { animation-delay: 90ms; }
@keyframes rise { from { opacity: 0; translate: 0 10px; filter: blur(3px); } }

@media (max-width: 760px) {
  .bar { gap: 10px; height: 58px; }
  .brand small, .status-pill { display: none; }
  .redeem-main { padding: 24px 16px 72px; }
  .rail { gap: 4px; }
  .rail .label { font-size: 11.5px; }
  .rail .link { min-width: 12px; }
  .kv { grid-template-columns: 1fr; }
  .summary-bar { gap: 8px 10px; }
  .summary-bar .sum-meta { flex: 1 1 100%; }
  .summary-bar .swap { margin-inline: auto; width: 100%; text-align: center; }
  .confirm-actions { flex-direction: column-reverse; }
  .confirm-actions .submit, .confirm-actions .ghost-btn { width: 100%; }
}
/* ===== 移动端：性能优先 =====
   毛玻璃、大面积模糊和 3D 网格在手机上每帧都要重绘，滚动会掉帧，
   这里改成同色系的实色面板，观感接近但几乎不耗 GPU。 */
@media (max-width: 760px), (hover: none) and (pointer: coarse) {
  .card, .summary-bar, .query-entry-btn, .notice-card, .topbar,
  .input, .ta, textarea#tokenInput, textarea#queryCodeInput,
  .code-state, .status-strip, .guide, .kv div, .kicker, .rail .bead {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
  .card, .summary-bar, .query-entry-btn { background: linear-gradient(158deg, #16232a, #0a1215); }
  .notice-card { background: linear-gradient(158deg, #1a2830, #0b1317); }
  .topbar { background: #070d0f; }
  .bg-aurora { filter: none; opacity: 0.55; }
  .bg-rings, .bg-horizon { display: none; }
  .bg-sweep i { animation: none; opacity: 0; }
  .bg-grid { animation: none; }
  .bg-noise { display: none; }
}

@media (max-width: 400px) {
  .redeem-main { padding: 20px 12px 64px; }
  .card-top, .card-body { padding-left: 14px; padding-right: 14px; }
  .rail .bead { width: 30px; height: 30px; }
  .rail .label { font-size: 11px; }
  .hero h1 { font-size: 24px; }
  .summary-bar { padding: 12px 14px; }
}

@media (prefers-reduced-motion: reduce) {
  .bg-grid, .bg-aurora, .bg-horizon i, .bg-rings i, .bg-sweep i { animation: none; }
  #bg { display: none; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* 提交后的即时反馈 */
.submit[data-submit-state="loading"], .submit[data-submit-state="submitted"] { opacity: 1; }
.submit[data-submit-state="submitted"]:disabled {
  background: color-mix(in oklab, var(--accent) 22%, var(--panel-2));
  color: var(--accent);
  box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--accent) 45%, transparent);
}
.submit[data-submit-state="loading"]:disabled {
  background: color-mix(in oklab, var(--accent) 16%, var(--panel-2));
  color: var(--accent);
}
.status-panel.just-updated { animation: statusPulse 1.4s var(--ease); }
@keyframes statusPulse {
  0% { box-shadow: var(--glass-top), inset 0 0 0 1px color-mix(in oklab, var(--accent) 60%, transparent), 0 0 0 6px color-mix(in oklab, var(--accent) 16%, transparent), var(--glass-shadow); }
  100% { box-shadow: var(--glass-top), var(--glass-rim), var(--glass-shadow); }
}