/* ============================================================
   设计系统 · 暗色 AI 工具站
   ============================================================ */
:root {
  --bg: #0a0a10;
  --bg-soft: #101018;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-hover: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #f5f5f7;
  --text-mute: #9b9eae;
  --text-dim: #6b6e7e;
  --accent: #7c5cff;
  --accent-2: #a78bfa;
  --accent-deep: #5b3df5;
  --grad: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);
  --grad-text: linear-gradient(100deg, #c4b5fd 0%, #8b5cf6 50%, #6366f1 100%);
  --ok: #34d399;
  --warn: #fbbf24;
  --danger: #f87171;
  --radius: 14px;
  --radius-lg: 22px;
  --maxw: 1160px;
  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }

::selection { background: rgba(124, 92, 255, 0.35); }
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #26263a; border-radius: 6px; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- 通用组件 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px; border-radius: 999px; border: none;
  font-size: 15px; font-weight: 600; cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }
.btn-primary {
  background: var(--grad); color: #fff;
  box-shadow: 0 4px 24px rgba(124, 92, 255, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(124, 92, 255, 0.5); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.08); color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.14); }
.btn-sm { padding: 8px 20px; font-size: 14px; }
.btn-lg { padding: 15px 34px; font-size: 16px; }
.btn-block { width: 100%; }

.tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 14px; border-radius: 999px;
  font-size: 13px; color: var(--text-mute);
  background: var(--surface); border: 1px solid var(--border);
}
.tag-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-2); }

.chip {
  display: inline-block; padding: 7px 18px; border-radius: 999px;
  font-size: 14px; color: var(--text-mute); cursor: pointer;
  background: var(--surface); border: 1px solid var(--border);
  transition: all .15s ease;
}
.chip:hover { color: var(--text); border-color: var(--border-strong); }
.chip.active {
  color: #fff; background: var(--grad); border-color: transparent;
  box-shadow: 0 2px 16px rgba(124, 92, 255, 0.3);
}

/* ---------- 导航 ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  background: rgba(10, 10, 16, 0.72);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease;
}
.nav.scrolled { border-bottom-color: var(--border); }
.nav-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 24px;
  height: 68px; display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 700; }
.nav-logo svg { width: 30px; height: 30px; }
.nav-links { display: flex; align-items: center; gap: 34px; font-size: 15px; }
.nav-links a { color: var(--text-mute); transition: color .15s; position: relative; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px;
  height: 2px; border-radius: 2px; background: var(--grad);
}
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-burger { display: none; background: none; border: none; color: var(--text); cursor: pointer; padding: 8px; }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-burger { display: block; }
  .nav-links.open {
    display: flex; flex-direction: column; align-items: flex-start; gap: 4px;
    position: absolute; top: 68px; left: 0; right: 0;
    background: rgba(13, 13, 20, 0.98); border-bottom: 1px solid var(--border);
    padding: 16px 24px 22px;
  }
  .nav-links.open a { padding: 10px 0; width: 100%; }
  .nav-links.open a.active::after { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; padding: 168px 0 110px;
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(900px 480px at 78% 12%, rgba(124, 92, 255, 0.16), transparent 65%),
    radial-gradient(700px 420px at 12% 30%, rgba(99, 102, 241, 0.10), transparent 60%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(720px 420px at 50% 22%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(720px 420px at 50% 22%, #000 0%, transparent 78%);
}
.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center;
}
.hero h1 {
  font-size: clamp(40px, 5.4vw, 68px); font-weight: 800;
  line-height: 1.16; letter-spacing: -0.02em; margin: 22px 0 24px;
}
.hero h1 .grad {
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { font-size: 17px; color: var(--text-mute); max-width: 480px; margin-bottom: 38px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

.hero-visual {
  position: relative; height: 460px;
  perspective: 1200px;
}
.hv-card {
  position: absolute; border-radius: 18px; overflow: hidden;
  border: 1px solid var(--border-strong);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.55);
  transform-style: preserve-3d;
  animation: float 7s ease-in-out infinite;
}
.hv-card .art { width: 100%; height: 100%; }
.hv-cap {
  position: absolute; left: 12px; bottom: 12px;
  padding: 5px 12px; border-radius: 8px; font-size: 12px;
  background: rgba(0, 0, 0, 0.55); backdrop-filter: blur(8px);
  color: #e6e6ee; border: 1px solid rgba(255,255,255,0.12);
}
.hv-1 { width: 46%; height: 58%; top: 4%; left: 2%; transform: rotate(-5deg); animation-delay: 0s; z-index: 2; }
.hv-2 { width: 44%; height: 62%; top: 10%; right: 4%; transform: rotate(4deg); animation-delay: -2.4s; }
.hv-3 { width: 52%; height: 46%; bottom: 2%; left: 24%; transform: rotate(-1.5deg); animation-delay: -4.6s; z-index: 3; }
.hv-badge {
  position: absolute; top: 42%; left: -6%; z-index: 4;
  padding: 10px 18px; border-radius: 14px; font-size: 13px; font-weight: 600;
  background: rgba(18, 18, 28, 0.9); border: 1px solid var(--border-strong);
  backdrop-filter: blur(10px);
  display: flex; align-items: center; gap: 8px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
  animation: float 6s ease-in-out infinite; animation-delay: -1.2s;
}
.hv-badge .pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 0 rgba(52,211,153,.6); animation: pulse 2s infinite; }
@keyframes float {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -14px; }
}
@keyframes pulse {
  70% { box-shadow: 0 0 0 9px rgba(52,211,153,0); }
  100% { box-shadow: 0 0 0 0 rgba(52,211,153,0); }
}
@media (max-width: 960px) {
  .hero { padding: 140px 0 70px; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { height: 380px; max-width: 560px; }
}

/* ---------- 区块通用 ---------- */
.section { padding: 96px 0; position: relative; }
.section-alt { background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.sec-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.sec-head .kicker {
  font-size: 13px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent-2); margin-bottom: 14px; display: block;
}
.sec-head h2 { font-size: clamp(28px, 3.6vw, 40px); font-weight: 800; letter-spacing: -0.02em; }
.sec-head p { color: var(--text-mute); margin-top: 16px; font-size: 16px; }

/* ---------- 能力卡片 ---------- */
.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cap-card {
  position: relative; padding: 30px 26px; border-radius: var(--radius-lg);
  background: var(--surface); border: 1px solid var(--border);
  transition: transform .22s ease, border-color .22s ease, background .22s ease;
  overflow: hidden;
}
.cap-card::before {
  content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity .22s;
  background: radial-gradient(420px 200px at 50% -20%, rgba(124, 92, 255, 0.16), transparent 70%);
}
.cap-card:hover { transform: translateY(-5px); border-color: var(--border-strong); background: var(--surface-hover); }
.cap-card:hover::before { opacity: 1; }
.cap-icon {
  width: 48px; height: 48px; border-radius: 13px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.22), rgba(99, 102, 241, 0.22));
  border: 1px solid rgba(139, 92, 246, 0.35); margin-bottom: 20px;
}
.cap-icon svg { width: 24px; height: 24px; stroke: var(--accent-2); }
.cap-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.cap-card p { font-size: 14.5px; color: var(--text-mute); }
@media (max-width: 960px) { .cap-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .cap-grid { grid-template-columns: 1fr; } }

/* ---------- 流程 ---------- */
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.flow-step { position: relative; padding: 0 22px; text-align: center; }
.flow-step:not(:last-child)::after {
  content: ""; position: absolute; top: 24px; left: calc(50% + 34px); right: calc(-50% + 34px);
  height: 1px; background: linear-gradient(90deg, rgba(124,92,255,.5), rgba(255,255,255,.08));
}
.flow-num {
  width: 48px; height: 48px; margin: 0 auto 18px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 16px;
  background: rgba(124, 92, 255, 0.14); border: 1px solid rgba(139, 92, 246, 0.4);
  color: var(--accent-2); position: relative; z-index: 1;
}
.flow-step h3 { font-size: 16px; margin-bottom: 8px; }
.flow-step p { font-size: 13.5px; color: var(--text-mute); }
@media (max-width: 860px) {
  .flow { grid-template-columns: repeat(2, 1fr); gap: 36px 0; }
  .flow-step:nth-child(2)::after { display: none; }
}
@media (max-width: 540px) {
  .flow { grid-template-columns: 1fr; gap: 32px; }
  .flow-step::after { display: none !important; }
}

/* ---------- 案例网格 ---------- */
.case-filter { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 40px; }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.case-card {
  border-radius: var(--radius-lg); overflow: hidden;
  background: var(--surface); border: 1px solid var(--border);
  transition: transform .22s, border-color .22s; cursor: pointer;
}
.case-card:hover { transform: translateY(-5px); border-color: var(--border-strong); }
.case-thumb { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.case-thumb .art { position: absolute; inset: 0; transition: transform .5s ease; }
.case-card:hover .art { transform: scale(1.05); }
.case-meta { padding: 16px 18px; display: flex; align-items: center; justify-content: space-between; }
.case-meta h4 { font-size: 15px; font-weight: 600; }
.case-meta span { font-size: 12.5px; color: var(--text-dim); }
@media (max-width: 960px) { .case-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .case-grid { grid-template-columns: 1fr; } }

/* CSS 艺术占位（替代真实截图，后续可换成产品图） */
.art { width: 100%; height: 100%; }
.art-aurora { background: radial-gradient(120% 120% at 20% 15%, #6d28d9 0%, #1e1b4b 45%, #0a0a10 100%); }
.art-neon { background: radial-gradient(100% 130% at 80% 20%, #db2777 0%, #312e81 50%, #0a0a10 100%); }
.art-cyan { background: radial-gradient(120% 110% at 30% 80%, #0891b2 0%, #1e1b4b 55%, #0a0a10 100%); }
.art-ember { background: radial-gradient(120% 120% at 70% 70%, #d97706 0%, #4c1d95 50%, #0a0a10 100%); }
.art-mint { background: radial-gradient(110% 130% at 25% 25%, #059669 0%, #1e1b4b 55%, #0a0a10 100%); }
.art-royal { background: radial-gradient(130% 110% at 75% 25%, #4f46e5 0%, #111133 55%, #0a0a10 100%); }
.art::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.10) 1px, transparent 1px);
  background-size: 18px 18px; opacity: .5;
  mask-image: radial-gradient(80% 80% at 50% 40%, #000, transparent);
  -webkit-mask-image: radial-gradient(80% 80% at 50% 40%, #000, transparent);
}
.art svg { position: absolute; inset: 0; width: 100%; height: 100%; }

/* ---------- 价格 ---------- */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.price-card {
  padding: 34px 30px; border-radius: var(--radius-lg);
  background: var(--surface); border: 1px solid var(--border);
  display: flex; flex-direction: column; position: relative;
  transition: transform .22s, border-color .22s;
}
.price-card:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.price-card.featured {
  border-color: rgba(139, 92, 246, 0.55);
  background: linear-gradient(180deg, rgba(124, 92, 255, 0.10), rgba(124, 92, 255, 0.02) 55%), var(--surface);
  box-shadow: 0 20px 60px rgba(124, 92, 255, 0.14);
}
.price-flag {
  position: absolute; top: -13px; left: 50%; translate: -50% 0;
  padding: 4px 16px; border-radius: 999px; font-size: 12px; font-weight: 700;
  background: var(--grad); color: #fff; box-shadow: 0 4px 16px rgba(124,92,255,.4);
}
.price-name { font-size: 16px; font-weight: 700; color: var(--text-mute); }
.price-num { margin: 14px 0 4px; display: flex; align-items: baseline; gap: 6px; }
.price-num strong { font-size: 42px; font-weight: 800; letter-spacing: -0.02em; }
.price-num span { color: var(--text-dim); font-size: 14px; }
.price-desc { font-size: 13.5px; color: var(--text-dim); margin-bottom: 24px; }
.price-list { list-style: none; display: grid; gap: 12px; margin-bottom: 30px; flex: 1; }
.price-list li { display: flex; gap: 10px; font-size: 14px; color: var(--text-mute); }
.price-list svg { width: 17px; height: 17px; stroke: var(--ok); flex-shrink: 0; margin-top: 3px; }
.price-list li.off { opacity: .38; }
.price-list li.off svg { stroke: var(--text-dim); }
@media (max-width: 960px) { .price-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; } }

/* ---------- CTA 横幅 ---------- */
.cta-band {
  margin: 40px auto 0; padding: 70px 40px; border-radius: 28px;
  text-align: center; position: relative; overflow: hidden;
  background:
    radial-gradient(600px 300px at 50% -10%, rgba(139, 92, 246, 0.28), transparent 70%),
    var(--bg-soft);
  border: 1px solid var(--border);
}
.cta-band h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; margin-bottom: 14px; }
.cta-band p { color: var(--text-mute); margin-bottom: 32px; }

/* ---------- 页脚 ---------- */
.footer { border-top: 1px solid var(--border); padding: 60px 0 40px; margin-top: 96px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand p { color: var(--text-dim); font-size: 14px; margin-top: 14px; max-width: 280px; }
.footer h5 { font-size: 14px; margin-bottom: 18px; color: var(--text); }
.footer ul { list-style: none; display: grid; gap: 12px; }
.footer ul a { font-size: 14px; color: var(--text-dim); transition: color .15s; }
.footer ul a:hover { color: var(--text); }
.footer-bottom {
  margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 13px; color: var(--text-dim);
}
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

/* ---------- 表单页 ---------- */
.auth-wrap { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.auth-side {
  position: relative; overflow: hidden; display: flex; flex-direction: column;
  justify-content: center; padding: 64px;
  background:
    radial-gradient(700px 480px at 30% 20%, rgba(124, 92, 255, 0.20), transparent 65%),
    radial-gradient(500px 400px at 80% 85%, rgba(99, 102, 241, 0.14), transparent 60%),
    var(--bg-soft);
  border-right: 1px solid var(--border);
}
.auth-side h2 { font-size: clamp(28px, 3vw, 42px); font-weight: 800; line-height: 1.25; max-width: 420px; }
.auth-side p { color: var(--text-mute); margin-top: 18px; max-width: 400px; }
.auth-main { display: flex; align-items: center; justify-content: center; padding: 48px 24px; }
.auth-card { width: 100%; max-width: 400px; }
.auth-card h1 { font-size: 26px; font-weight: 800; margin-bottom: 8px; }
.auth-card .sub { color: var(--text-mute); font-size: 14.5px; margin-bottom: 30px; }
.auth-tabs { display: flex; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 4px; margin-bottom: 26px; }
.auth-tabs button {
  flex: 1; padding: 10px; border: none; border-radius: 9px;
  background: none; color: var(--text-mute); font-size: 14.5px; font-weight: 600; cursor: pointer;
  transition: all .18s;
}
.auth-tabs button.active { background: var(--grad); color: #fff; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 8px; color: var(--text-mute); }
.field input {
  width: 100%; padding: 13px 16px; border-radius: 12px;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text); font-size: 15px; outline: none; font-family: inherit;
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus { border-color: rgba(139, 92, 246, 0.6); box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.15); }
.form-msg { font-size: 13.5px; margin: -6px 0 14px; min-height: 20px; }
.form-msg.err { color: var(--danger); }
.form-msg.ok { color: var(--ok); }
.field input.bad { border-color: var(--danger); background: rgba(248,113,113,.07); }
.field input.bad:focus { border-color: var(--danger); box-shadow: 0 0 0 3px rgba(248,113,113,.14); }
@keyframes msg-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}
.form-msg.shake { animation: msg-shake .32s ease-in-out; }
.auth-foot { margin-top: 22px; font-size: 13.5px; color: var(--text-dim); text-align: center; }
.auth-foot a { color: var(--accent-2); }
@media (max-width: 860px) { .auth-wrap { grid-template-columns: 1fr; } .auth-side { display: none; } }

/* ---------- 控制台 ---------- */
.console { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; padding-top: 68px; }
.console-side { border-right: 1px solid var(--border); background: var(--bg-soft); padding: 26px 16px; }
.console-side .group { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-dim); margin: 20px 12px 10px; }
.console-side a {
  display: flex; align-items: center; gap: 11px; padding: 11px 14px;
  border-radius: 11px; font-size: 14.5px; color: var(--text-mute); margin-bottom: 2px;
  transition: all .15s;
}
.console-side a:hover { color: var(--text); background: var(--surface); }
.console-side a.active { color: #fff; background: rgba(124, 92, 255, 0.16); border: 1px solid rgba(139, 92, 246, 0.3); }
.console-side a svg { width: 18px; height: 18px; stroke: currentColor; }
.console-main { padding: 36px 42px; max-width: 1000px; }
.console-main h1 { font-size: 24px; font-weight: 800; }
.console-main .page-sub { color: var(--text-mute); font-size: 14.5px; margin: 6px 0 30px; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 34px; }
.stat-card { padding: 20px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }
.stat-card .k { font-size: 13px; color: var(--text-dim); }
.stat-card .v { font-size: 26px; font-weight: 800; margin-top: 6px; }
.stat-card .d { font-size: 12px; color: var(--ok); margin-top: 4px; }
@media (max-width: 1020px) { .stat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 760px) {
  .console { grid-template-columns: 1fr; }
  .console-side { display: none; }
  .console-main { padding: 26px 20px; }
}

/* 空状态 / 面板 */
.panel { border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--border); padding: 26px; }
.panel h3 { font-size: 16px; margin-bottom: 18px; }
.empty {
  text-align: center; padding: 48px 20px; color: var(--text-dim); font-size: 14px;
  border: 1px dashed var(--border-strong); border-radius: var(--radius);
}
.userchip {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px;
  border-radius: 12px; background: var(--surface); border: 1px solid var(--border);
  margin-top: 22px;
}
.avatar {
  width: 34px; height: 34px; border-radius: 50%; flex-shrink: 0;
  background: var(--grad); color: #fff; font-weight: 700; font-size: 15px;
  display: flex; align-items: center; justify-content: center;
}
.userchip .nm { font-size: 14px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.userchip .em { font-size: 12px; color: var(--text-dim); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* 滚动入场动画 */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hv-card, .hv-badge { animation: none; }
}

/* ===== 生成弹窗 modal ===== */
.modal-mask {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(8, 8, 16, .62); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal-mask[hidden] { display: none; }
.modal-card {
  width: min(560px, 100%); background: var(--surface); border: 1px solid var(--border);
  border-radius: 18px; padding: 22px; box-shadow: 0 24px 60px rgba(0,0,0,.45);
}
.modal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.modal-head h3 { font-size: 18px; margin: 0; }
.modal-x {
  width: 32px; height: 32px; border-radius: 9px; border: 1px solid var(--border);
  background: transparent; color: var(--text-mute); font-size: 20px; line-height: 1; cursor: pointer;
}
.modal-x:hover { color: var(--text); }
.seg { display: inline-flex; gap: 4px; padding: 4px; background: rgba(255,255,255,.04); border: 1px solid var(--border); border-radius: 11px; margin-bottom: 14px; }
.seg button {
  border: 0; background: transparent; color: var(--text-mute); padding: 7px 18px; border-radius: 8px;
  cursor: pointer; font-size: 14px; font-weight: 600;
}
.seg button.active { background: var(--grad); color: #fff; }
.gen-prompt {
  width: 100%; resize: vertical; background: rgba(255,255,255,.03); color: var(--text);
  border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; font-size: 14.5px;
  line-height: 1.6; font-family: inherit; outline: none;
}
.gen-prompt:focus { border-color: #7c5cff; }
.gen-row { display: flex; align-items: center; justify-content: space-between; margin-top: 14px; }
.gen-cost { font-size: 13px; color: var(--text-dim); }
.gen-field { margin-bottom: 12px; }
.gen-field > label { display: block; font-size: 12.5px; color: var(--text-dim); margin-bottom: 6px; }
.gen-select {
  width: 100%; background: rgba(255,255,255,.03); color: var(--text);
  border: 1px solid var(--border); border-radius: 11px; padding: 10px 12px;
  font-size: 14px; font-family: inherit; outline: none; cursor: pointer;
}
.gen-select:focus { border-color: #7c5cff; }
.gen-select option { background: #14141a; color: #f5f5f7; }
.gen-params { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.gen-params .gen-field[hidden] { display: none; }
.gen-hint { margin-top: 6px; font-size: 12px; color: var(--text-dim); line-height: 1.5; }
.gen-field[hidden] { display: none; }
.gen-status { margin-top: 12px; font-size: 13.5px; color: var(--text-mute); min-height: 18px; }
.gen-result { margin-top: 12px; }
.gen-result img, .gen-result video { border: 1px solid var(--border); }

/* ===== 作品缩略 ===== */
.work-thumb { position: relative; border-radius: 10px; overflow: hidden; background: var(--surface); border: 1px solid var(--border); }
.work-thumb img, .work-thumb video { width: 100%; display: block; aspect-ratio: 1 / 1; object-fit: cover; }
.work-tag {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 6px 8px; font-size: 11px;
  color: #fff; background: linear-gradient(transparent, rgba(0,0,0,.7));
}
.work-processing {
  aspect-ratio: 1 / 1; display: flex; align-items: center; justify-content: center;
  color: var(--text-mute); font-size: 13px; background: rgba(255,255,255,.03);
}

/* ===== 素材库 · 上传 ===== */
.dropzone {
  border: 1.5px dashed var(--border); border-radius: 14px; padding: 26px;
  text-align: center; color: var(--text-mute); cursor: pointer; transition: .18s;
}
.dropzone:hover, .dropzone.over { border-color: #7c5cff; color: var(--text); background: rgba(124,92,255,.05); }
.dz-t { margin-top: 8px; font-size: 14.5px; color: var(--text); }
.dz-s { margin-top: 4px; font-size: 12.5px; color: var(--text-dim); }
.dz-mini {
  display: inline-block; margin-top: 8px; padding: 6px 12px; font-size: 12.5px;
  border: 1px solid var(--border); border-radius: 9px; cursor: pointer; color: var(--text-mute);
}
.dz-mini:hover { border-color: #7c5cff; color: var(--text); }
.upload-preview, .ref-picker { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.up-card, .ref-thumb {
  width: 92px; border: 1px solid var(--border); border-radius: 10px; overflow: hidden;
  background: rgba(255,255,255,.03); font-size: 11.5px; color: var(--text-mute);
}
.up-card img, .ref-thumb img { width: 100%; height: 68px; object-fit: cover; display: block; }
.up-card .up-name, .up-card .up-st { padding: 4px 6px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.up-card.err { border-color: #e24b4a; }
.ref-thumb { cursor: pointer; position: relative; }
.ref-thumb.on { border-color: #7c5cff; box-shadow: 0 0 0 2px rgba(124,92,255,.35); }
.ref-thumb.on::after {
  content: "✓"; position: absolute; top: 3px; right: 5px; color: #fff; background: #7c5cff;
  width: 16px; height: 16px; border-radius: 50%; font-size: 11px; line-height: 16px; text-align: center;
}

/* ===== 素材 / 作品 网格 ===== */
.count { font-size: 12px; color: var(--text-dim); font-weight: 400; margin-left: 6px; }
.asset-grid, .work-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; margin-top: 14px; }
.mini-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.asset-card, .work-card, .mini-card {
  position: relative; border: 1px solid var(--border); border-radius: 12px; overflow: hidden;
  background: rgba(255,255,255,.03); cursor: pointer; transition: .18s;
}
.asset-card:hover, .work-card:hover, .mini-card:hover { border-color: #7c5cff; transform: translateY(-2px); }
.asset-card img, .work-card img, .mini-card img,
.asset-card video, .work-card video, .mini-card video {
  width: 100%; aspect-ratio: 1 / 1; object-fit: cover; display: block;
}
.work-state {
  aspect-ratio: 1 / 1; display: flex; align-items: center; justify-content: center;
  font-size: 13px; color: var(--text-mute); background: rgba(255,255,255,.03);
}
.asset-meta { padding: 8px 10px; }
.asset-meta .an { font-size: 13px; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.asset-meta .as { font-size: 11.5px; color: var(--text-dim); margin-top: 2px; }
.asset-del {
  position: absolute; top: 6px; right: 6px; width: 22px; height: 22px; border-radius: 50%;
  border: 0; background: rgba(0,0,0,.55); color: #fff; cursor: pointer; line-height: 1; font-size: 15px;
}
.asset-use {
  position: absolute; bottom: 8px; right: 8px; border: 0; border-radius: 8px; padding: 4px 10px;
  background: rgba(124,92,255,.9); color: #fff; font-size: 12px; cursor: pointer;
}
.work-info { padding: 9px 11px; }
.work-info .wt {
  font-size: 12.5px; color: var(--text); line-height: 1.5; display: -webkit-box;
  -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.work-info .ws { font-size: 11.5px; color: var(--text-dim); margin-top: 4px; }
.filters { display: flex; gap: 8px; margin: 14px 0 4px; }
.chip {
  border: 1px solid var(--border); background: transparent; color: var(--text-mute);
  padding: 6px 16px; border-radius: 20px; font-size: 13px; cursor: pointer;
}
.chip.active { background: var(--grad); color: #fff; border-color: transparent; }

/* ===== 大图预览 ===== */
.lightbox-card {
  width: min(880px, 100%); max-height: 88vh; overflow: auto; background: var(--surface);
  border: 1px solid var(--border); border-radius: 18px; padding: 20px; position: relative;
}
.lightbox-card .modal-x { position: absolute; top: 14px; right: 14px; z-index: 2; }
.lightbox-media { text-align: center; }
.lightbox-media img, .lightbox-media video { max-width: 100%; max-height: 56vh; border-radius: 12px; }
.lightbox-info { margin-top: 16px; display: grid; gap: 8px; }
.lb-row { display: flex; gap: 14px; font-size: 13.5px; }
.lb-row span { width: 68px; color: var(--text-dim); flex: none; }
.lb-row b { color: var(--text); font-weight: 400; word-break: break-all; }

/* ===== 无限画布 ===== */
.cv-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-bottom: 12px; flex-wrap: wrap;
}
.cv-left, .cv-right { display: flex; align-items: center; gap: 8px; }
.cv-tip { font-size: 12px; color: var(--text-dim); margin-right: 6px; }
.cv-zoom { font-size: 12.5px; color: var(--text-mute); width: 44px; text-align: center; }
/* 画布视图占满整屏（原来是 68vh 的小框） */
#view-canvas { height: calc(100vh - 96px); display: flex; flex-direction: column; }
#view-canvas[hidden] { display: none; }
#view-canvas + * { margin-top: 0; }
/* 画布页要贴边铺满，去掉控制台的常规内边距与宽度上限 */
.console.canvas-mode .console-main { padding: 14px; max-width: none; }

.canvas-wrap {
  position: relative; flex: 1; min-height: 0; overflow: hidden;
  border: 1px solid var(--border); border-radius: 16px; background-color: var(--bg, #0c0c10);
  background-image: radial-gradient(rgba(255,255,255,.10) 1px, transparent 1px);
  background-size: 24px 24px; cursor: grab;
}
.canvas-wrap.panning { cursor: grabbing; }

/* ===== 画布内悬浮底部工具栏（对齐参考站） ===== */
.cv-dock {
  position: absolute; left: 50%; bottom: 22px; transform: translateX(-50%);
  display: flex; align-items: center; gap: 6px; padding: 7px 10px;
  background: rgba(22,22,28,.92); border: 1px solid var(--border); border-radius: 999px;
  box-shadow: 0 12px 34px rgba(0,0,0,.5); backdrop-filter: blur(8px); z-index: 30;
}
.cv-add-btn {
  width: 38px; height: 38px; border-radius: 50%; border: 0; cursor: pointer;
  background: #ffffff; color: #111; font-size: 22px; line-height: 1;
  display: flex; align-items: center; justify-content: center; flex: none;
}
.cv-add-btn:hover { background: #e9e9f2; }
.dock-sep { width: 1px; height: 20px; background: var(--border); margin: 0 3px; }
.dock-ic {
  width: 30px; height: 30px; border-radius: 9px; border: 0; cursor: pointer;
  background: transparent; color: var(--text-mute); font-size: 15px; line-height: 1;
  display: flex; align-items: center; justify-content: center;
}
.dock-ic:hover { background: rgba(255,255,255,.08); color: var(--text); }
.dock-danger:hover { background: rgba(226,75,74,.18); color: #ffd9d9; }
.cv-dock .cv-zoom { width: 42px; text-align: center; font-size: 12px; color: var(--text-mute); }

/* 「+」上方弹出的添加节点菜单 */
.cv-add-menu {
  position: absolute; left: 50%; bottom: 74px; transform: translateX(-50%);
  width: 168px; padding: 7px; z-index: 40;
  background: rgba(22,22,28,.97); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: 0 16px 44px rgba(0,0,0,.55);
}
.cv-add-menu[hidden] { display: none; }
.cv-add-menu-t { font-size: 11.5px; color: var(--text-dim); padding: 5px 9px 7px; }
.cv-add-menu button {
  display: flex; align-items: center; gap: 9px; width: 100%; text-align: left;
  border: 0; background: transparent; color: var(--text); font-size: 13px;
  padding: 8px 10px; border-radius: 9px; cursor: pointer;
}
.cv-add-menu button:hover { background: rgba(124,92,255,.18); }
.t-dot { width: 8px; height: 8px; border-radius: 2px; flex: none; }
.d-image { background: #1d9e75; }
.d-video { background: #378add; }
.d-text { background: #888780; }
.d-audio { background: #ef9f27; }

.cv-count {
  position: absolute; right: 14px; bottom: 16px; font-size: 12px; color: var(--text-dim);
  background: rgba(22,22,28,.8); border: 1px solid var(--border); border-radius: 9px; padding: 4px 10px;
}

/* ===== 底部提示词输入区（大输入框 + @ 艾特） ===== */
.cv-composer {
  position: absolute; left: 14px; right: 14px; bottom: 14px; z-index: 24;
  background: rgba(22,22,28,.95); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: 0 12px 34px rgba(0,0,0,.5); backdrop-filter: blur(8px); padding: 6px 9px;
}
.cmp-head {
  display: flex; align-items: center; gap: 10px; margin-bottom: 4px;
  height: 19px; overflow: hidden;      /* 固定一行高，避免中文被拆行把输入框顶高 */
}
/* 输入区里的按钮比常规按钮更薄，别让底部条占太多高度 */
.cv-composer .btn { padding: 3px 10px; font-size: 12px; line-height: 1.5; }
.cmp-target {
  font-size: 12px; color: #a99cff; font-weight: 600;
  flex: 0 0 auto; white-space: nowrap;
}
.cmp-target.empty { color: var(--text-dim); font-weight: 400; }
.cmp-tip {
  font-size: 11px; color: var(--text-dim); flex: 1 1 auto; min-width: 0;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.cmp-input {
  width: 100%; min-height: 54px; height: 54px; max-height: 220px; resize: vertical;
  background: rgba(255,255,255,.04); border: 1px solid var(--border); border-radius: 9px;
  color: var(--text); font-size: 13.5px; line-height: 1.6; padding: 7px 10px;
  font-family: inherit; outline: none;
}
.cmp-input:focus { border-color: #7c5cff; }
.cmp-input:disabled { opacity: .5; cursor: not-allowed; }
.cmp-foot { display: flex; align-items: center; gap: 8px; margin-top: 5px; }
.cmp-chips { flex: 1; display: flex; gap: 5px; flex-wrap: wrap; min-height: 0; overflow: hidden; max-height: 22px; }
.cmp-chip {
  font-size: 11px; color: #a99cff; background: rgba(124,92,255,.14);
  border: 1px solid rgba(124,92,255,.35); border-radius: 999px; padding: 2px 9px;
}

/* ===== 通用弹窗：素材选择 / 确认 / 输入 / 失败提示 ===== */
.ap-mask {
  position: absolute; inset: 0; z-index: 60; background: rgba(0,0,0,.62);
  display: flex; align-items: center; justify-content: center;
}
/* 跟视口走（项目栏移出画布后，弹窗不能再挂在画布容器里） */
.md-fixed { position: fixed; }
.ap-mask[hidden] { display: none; }
.ap-card {
  width: 560px; max-width: 92%; max-height: 76%; display: flex; flex-direction: column;
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px; overflow: hidden;
}
.ap-head { display: flex; align-items: center; padding: 12px 14px; border-bottom: 1px solid var(--border); }
.ap-head b { flex: 1; font-size: 14px; }
.ap-x { border: 0; background: transparent; color: var(--text-dim); font-size: 20px; cursor: pointer; line-height: 1; }
.ap-x:hover { color: var(--text); }
.ap-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; padding: 14px; overflow: auto; }
.ap-item {
  border: 1px solid var(--border); border-radius: 10px; overflow: hidden; cursor: pointer;
  background: rgba(255,255,255,.02); padding: 0; color: var(--text); text-align: left;
}
.ap-item:hover { border-color: #7c5cff; background: rgba(124,92,255,.08); }
.ap-item img, .ap-item video { width: 100%; height: 74px; object-fit: cover; display: block; background: #000; }
.ap-au { display: flex; height: 74px; align-items: center; justify-content: center; font-size: 24px; color: var(--text-mute); }
.ap-n {
  display: block; font-size: 11px; padding: 5px 7px; color: var(--text-mute);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.ap-empty { grid-column: 1 / -1; text-align: center; color: var(--text-dim); font-size: 13px; padding: 26px 0; }

.md-card { width: 380px; }
.md-body { padding: 14px; }
.md-msg { font-size: 13px; color: var(--text-mute); line-height: 1.7; margin: 0 0 12px; white-space: pre-line; }
.md-input {
  width: 100%; padding: 9px 11px; font-size: 13.5px; font-family: inherit; color: var(--text);
  background: rgba(255,255,255,.04); border: 1px solid var(--border); border-radius: 9px; outline: none;
}
.md-input:focus { border-color: #7c5cff; }
.md-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 14px; }

/* @ 候选浮层（在输入框上方弹出） */
.cv-atmenu {
  position: absolute; z-index: 50; width: 260px; max-height: 260px; overflow: auto;
  padding: 6px; background: rgba(22,22,28,.98); border: 1px solid var(--border);
  border-radius: 12px; box-shadow: 0 16px 44px rgba(0,0,0,.6);
}
.cv-atmenu[hidden] { display: none; }
.at-t { font-size: 11px; color: var(--text-dim); padding: 5px 8px 7px; }
.cv-atmenu button {
  display: flex; align-items: center; gap: 9px; width: 100%; text-align: left;
  border: 0; background: transparent; color: var(--text); font-size: 13px;
  padding: 7px 8px; border-radius: 9px; cursor: pointer;
}
.cv-atmenu button:hover { background: rgba(124,92,255,.18); }
.cv-atmenu img { width: 30px; height: 30px; object-fit: cover; border-radius: 6px; flex: none; background: #000; }
.at-ic {
  width: 30px; height: 30px; border-radius: 6px; flex: none; display: flex;
  align-items: center; justify-content: center; background: rgba(255,255,255,.06); font-size: 13px;
}
.at-name { font-weight: 600; flex: none; }
.at-sub { margin-left: auto; font-size: 10.5px; color: var(--text-dim); flex: none; }

/* 画布底部只剩输入框与工具栏；--cmp-h 由 JS 按输入框实际高度写入 */
.canvas-wrap { --cmp-h: 120px; }
.canvas-wrap .cv-dock { bottom: calc(24px + var(--cmp-h)); }
.canvas-wrap .cv-add-menu { bottom: calc(76px + var(--cmp-h)); }

/* ===== 画布项目：放在左侧菜单里，不占画布工作区 ===== */
.side-proj { margin: 2px 8px 6px; }
.pb-toggle {
  display: flex; align-items: center; gap: 6px; width: 100%; text-align: left;
  border: 0; background: transparent; color: var(--text-mute); font-size: 12px;
  padding: 7px 10px; border-radius: 9px; cursor: pointer; font-family: inherit;
}
.pb-toggle:hover { background: rgba(255,255,255,.06); color: var(--text); }
.pb-arrow { font-size: 9px; opacity: .7; flex: none; }
.pb-cur-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pb-count { margin-left: auto; font-size: 10.5px; opacity: .65; flex: none; }
.pb-body { margin-top: 2px; }
.pb-body[hidden] { display: none; }
.pb-list { max-height: 220px; overflow: auto; }
.pb-item {
  display: flex; align-items: center; gap: 6px; padding: 6px 8px 6px 20px;
  border-radius: 8px; cursor: pointer; color: var(--text-dim); font-size: 12px;
}
.pb-item:hover { background: rgba(255,255,255,.06); color: var(--text); }
.pb-item.active { background: rgba(124,92,255,.16); color: var(--text); }
.pb-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pb-meta { display: none; }
.pb-more {
  width: 20px; height: 20px; border: 0; border-radius: 6px; background: transparent;
  color: var(--text-dim); font-size: 14px; line-height: 1; cursor: pointer; flex: none; padding: 0;
}
.pb-more:hover { background: rgba(255,255,255,.1); color: var(--text); }
.pb-add {
  display: block; width: 100%; text-align: left; border: 0; background: transparent;
  color: #a99cff; font-size: 11.5px; padding: 7px 8px 7px 20px; border-radius: 8px;
  cursor: pointer; font-family: inherit;
}
.pb-add:hover { background: rgba(124,92,255,.14); }

/* ===== 页面内提示（替代 alert，避免阻塞） ===== */
.toast {
  position: fixed; left: 50%; bottom: 42px; transform: translate(-50%, 16px);
  max-width: min(560px, 88vw); padding: 11px 18px; border-radius: 12px;
  background: rgba(28,28,36,.96); color: var(--text); border: 1px solid var(--border);
  font-size: 13.5px; line-height: 1.5; box-shadow: 0 12px 36px rgba(0,0,0,.5);
  opacity: 0; pointer-events: none; transition: opacity .18s, transform .18s; z-index: 300;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.err { border-color: #a32d2d; color: #ffd9d9; }

@media (max-width: 860px) {
  .canvas-wrap { height: 60vh; }
  .cv-tip { display: none; }
}