/* ============================================================
   佰炼AI 用户端 - 极光流金设计风格
   深藏青墨 #0d253d / 电光靛蓝 #533afd / 奶油 #fff8ec / 暖橘 / 薰衣草 / 宝石粉
   ============================================================ */
:root {
  --brand-dark: #0d253d;
  --brand-dark-2: #13304f;
  --brand-blue: #533afd;
  --brand-blue-light: #7a66ff;
  --brand-cream: #fff8ec;
  --brand-lemon: #ffb35c;
  --brand-lavender: #a78bfa;
  --brand-ruby: #f43f5e;
  --brand-magenta: #f472b6;
  --bg-page: #f7f8fb;
  --bg-card: #ffffff;
  --text-main: #0d253d;
  --text-sub: #5b6b83;
  --text-light: #8a9ab5;
  --border: #e8ecf4;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow: 0 6px 24px rgba(13, 37, 61, .08);
  --shadow-lg: 0 12px 40px rgba(13, 37, 61, .14);
  --grad-aurora: linear-gradient(135deg, #fff8ec 0%, #ffd9c0 25%, #c7b8ff 55%, #f9a8d4 80%, #fff8ec 100%);
  --grad-cta: linear-gradient(135deg, #533afd 0%, #7a66ff 100%);
  --font: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: var(--font);
  font-weight: 300;
  letter-spacing: -0.01em;
  color: var(--text-main);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; outline: none; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 20px; letter-spacing: -.02em; }
.logo-badge {
  width: 32px; height: 32px; border-radius: 9px;
  background: var(--grad-cta);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 16px;
  box-shadow: 0 4px 12px rgba(83,58,253,.35);
}
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { padding: 8px 14px; border-radius: 999px; font-size: 14px; color: var(--text-sub); transition: .2s; }
.nav a:hover { color: var(--brand-blue); background: rgba(83,58,253,.06); }
.nav a.active { color: var(--brand-blue); background: rgba(83,58,253,.08); font-weight: 500; }
.header-right { display: flex; align-items: center; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: none; border-radius: 999px; font-size: 14px; font-weight: 500;
  padding: 9px 20px; transition: all .2s;
}
.btn-primary { background: var(--grad-cta); color: #fff; box-shadow: 0 4px 14px rgba(83,58,253,.3); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(83,58,253,.4); }
.btn-ghost { background: transparent; color: var(--text-main); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--brand-blue); color: var(--brand-blue); }
.btn-optimize { background: linear-gradient(135deg, #c82333 0%, #f43f5e 100%); color: #fff; margin-top: 10px; box-shadow: 0 4px 14px rgba(200,35,51,.3); }
.btn-optimize:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(200,35,51,.4); }
.btn-optimize:disabled { opacity: .65; cursor: not-allowed; transform: none; }
.video-tip { padding: 18px 16px; border: 1px dashed var(--border); border-radius: var(--radius-md); color: var(--text-sub); font-size: 13px; text-align: center; background: rgba(83,58,253,.03); }
.btn-sm { padding: 6px 14px; font-size: 13px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: var(--grad-aurora);
  padding: 72px 0 88px;
}
.hero::after {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(600px 300px at 12% 18%, rgba(255,255,255,.55), transparent 60%),
    radial-gradient(500px 280px at 82% 30%, rgba(167,139,250,.28), transparent 60%),
    radial-gradient(420px 260px at 50% 95%, rgba(255,179,92,.25), transparent 60%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero h1 { font-size: 46px; line-height: 1.16; font-weight: 300; letter-spacing: -.03em; }
.hero h1 b { font-weight: 600; background: linear-gradient(90deg, var(--brand-blue), var(--brand-magenta)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { margin-top: 18px; font-size: 16px; color: var(--text-sub); line-height: 1.8; max-width: 480px; }
.hero-actions { margin-top: 30px; display: flex; gap: 12px; }
.hero-tags { margin-top: 26px; display: flex; gap: 8px; flex-wrap: wrap; }
.tag { font-size: 12px; color: var(--text-sub); background: rgba(255,255,255,.7); border: 1px solid rgba(13,37,61,.08); border-radius: 999px; padding: 4px 12px; }

/* 仪表盘合成卡 */
.hero-card {
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 20px;
}
.hero-card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.hero-card-title { font-size: 13px; color: var(--text-sub); }
.hero-card-badge { font-size: 11px; background: var(--grad-cta); color: #fff; border-radius: 999px; padding: 3px 10px; }
.kpi-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 16px; }
.kpi { background: var(--bg-page); border-radius: 10px; padding: 10px; }
.kpi .v { font-size: 18px; font-weight: 600; font-variant-numeric: tabular-nums; }
.kpi .l { font-size: 11px; color: var(--text-light); margin-top: 2px; }
.hero-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 16px; }
.mock-img { aspect-ratio: 1; border-radius: 8px; background: linear-gradient(135deg, var(--brand-lavender), var(--brand-magenta)); opacity: .9; }
.mock-img:nth-child(2) { background: linear-gradient(135deg, var(--brand-lemon), var(--brand-ruby)); }
.mock-img:nth-child(3) { background: linear-gradient(135deg, var(--brand-blue), var(--brand-lavender)); }
.progress-row { display: flex; align-items: center; gap: 10px; }
.progress-label { font-size: 12px; color: var(--text-sub); white-space: nowrap; }
.progress-bar { flex: 1; height: 6px; border-radius: 99px; background: var(--border); overflow: hidden; }
.progress-bar i { display: block; height: 100%; width: 72%; border-radius: 99px; background: var(--grad-cta); }
.float-badge { position: absolute; font-size: 11px; background: #fff; border-radius: 10px; box-shadow: var(--shadow); padding: 6px 10px; }

/* ---------- Section ---------- */
.section { padding: 64px 0; }
.section-head { text-align: center; margin-bottom: 40px; }
.section-eyebrow { font-size: 13px; color: var(--brand-blue); font-weight: 500; letter-spacing: .04em; }
.section-title { font-size: 30px; font-weight: 300; letter-spacing: -.02em; margin-top: 8px; }
.section-sub { color: var(--text-sub); margin-top: 10px; font-size: 15px; }

/* 快捷入口 */
.quick-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.quick-card {
  background: var(--bg-card); border-radius: var(--radius-lg);
  border: 1px solid var(--border); padding: 26px 22px; transition: all .25s;
}
.quick-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(83,58,253,.25); }
.quick-icon {
  width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 14px; background: linear-gradient(135deg, rgba(83,58,253,.12), rgba(244,114,182,.12));
}
.quick-card h3 { font-size: 17px; font-weight: 500; }
.quick-card p { font-size: 13px; color: var(--text-light); margin-top: 6px; line-height: 1.6; }
.quick-card .btn { margin-top: 14px; width: 100%; }

/* 热门模式 */
.hot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.hot-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  background: var(--bg-card); border: 1px solid var(--border); transition: .25s;
}
.hot-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.hot-cover { height: 150px; display: flex; align-items: center; justify-content: center; font-size: 46px; }
.hot-card:nth-child(1) .hot-cover { background: linear-gradient(135deg,#e0e7ff,#c7d2fe); }
.hot-card:nth-child(2) .hot-cover { background: linear-gradient(135deg,#fef3c7,#fde68a); }
.hot-card:nth-child(3) .hot-cover { background: linear-gradient(135deg,#fce7f3,#fbcfe8); }
.hot-card:nth-child(4) .hot-cover { background: linear-gradient(135deg,#dbeafe,#bfdbfe); }
.hot-card:nth-child(5) .hot-cover { background: linear-gradient(135deg,#f1f5f9,#e2e8f0); }
.hot-card:nth-child(6) .hot-cover { background: linear-gradient(135deg,#ede9fe,#ddd6fe); }
.hot-body { padding: 16px 18px 18px; }
.hot-body h3 { font-size: 16px; font-weight: 500; }
.hot-body p { font-size: 13px; color: var(--text-light); margin-top: 4px; }

/* 为什么选择 */
.why-wrap { background: var(--brand-cream); border-radius: var(--radius-lg); padding: 48px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.why-item { text-align: center; padding: 10px; }
.why-num { font-size: 36px; font-weight: 600; font-variant-numeric: tabular-nums; background: linear-gradient(90deg, var(--brand-blue), var(--brand-magenta)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.why-item h4 { font-size: 16px; font-weight: 500; margin-top: 8px; }
.why-item p { font-size: 13px; color: var(--text-sub); margin-top: 6px; line-height: 1.7; }

/* CTA */
.cta-wrap {
  background: var(--brand-dark); color: #fff; border-radius: var(--radius-lg);
  padding: 56px; text-align: center; position: relative; overflow: hidden;
}
.cta-wrap::before { content:''; position:absolute; inset:0; background: radial-gradient(400px 200px at 20% 0%, rgba(83,58,253,.4), transparent 60%), radial-gradient(400px 200px at 80% 100%, rgba(244,114,182,.3), transparent 60%); }
.cta-wrap h2 { font-size: 28px; font-weight: 300; letter-spacing: -.02em; position: relative; }
.cta-wrap p { color: rgba(255,255,255,.7); margin-top: 10px; font-size: 14px; position: relative; }
.cta-wrap .btn { margin-top: 24px; position: relative; }

/* ---------- Footer ---------- */
.footer { background: #fff; border-top: 1px solid var(--border); padding: 48px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 32px; }
.footer h5 { font-size: 14px; font-weight: 600; margin-bottom: 14px; }
.footer a, .footer p { display: block; font-size: 13px; color: var(--text-sub); margin-bottom: 8px; line-height: 1.7; }
.footer a:hover { color: var(--brand-blue); }
.footer-bottom { margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--border); font-size: 12px; color: var(--text-light); display: flex; justify-content: space-between; }

/* ---------- 功能页 ---------- */
.page-hero { background: var(--grad-aurora); padding: 44px 0; position: relative; }
.page-hero h1 { font-size: 32px; font-weight: 300; letter-spacing: -.02em; }
.page-hero p { color: var(--text-sub); margin-top: 8px; font-size: 14px; }

.gen-layout { display: grid; grid-template-columns: 1fr 380px; gap: 24px; padding: 32px 0 64px; align-items: start; }
.gen-main { display: flex; flex-direction: column; gap: 20px; }
.panel { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 22px; }
.panel-title { font-size: 15px; font-weight: 500; margin-bottom: 14px; }

.scene-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.scene-item {
  border: 1px solid var(--border); border-radius: 10px; padding: 10px 8px;
  text-align: center; cursor: pointer; transition: .2s; background: #fff;
}
.scene-item:hover { border-color: var(--brand-blue); }
.scene-item.active { border-color: var(--brand-blue); background: rgba(83,58,253,.06); box-shadow: 0 0 0 1px var(--brand-blue); }
.scene-item .si { font-size: 22px; }
.scene-item .sn { font-size: 12px; margin-top: 4px; color: var(--text-main); }
.scene-item .sc { font-size: 11px; color: var(--text-light); margin-top: 2px; }

.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-size: 13px; color: var(--text-sub); margin-bottom: 8px; }
.input, textarea.input, select.input {
  width: 100%; border: 1px solid var(--border); border-radius: 10px;
  padding: 11px 14px; font-size: 14px; background: #fff; color: var(--text-main);
  transition: .2s;
}
.input:focus { border-color: var(--brand-blue); box-shadow: 0 0 0 3px rgba(83,58,253,.12); }
textarea.input { min-height: 96px; resize: vertical; }
.upload-zone {
  border: 1.5px dashed var(--border); border-radius: 10px; padding: 20px;
  text-align: center; color: var(--text-light); font-size: 13px; cursor: pointer; transition: .2s;
}
.upload-zone:hover { border-color: var(--brand-blue); color: var(--brand-blue); }
.upload-zone.has-img { border-style: solid; border-color: rgba(83,58,253,.3); }
.upload-preview { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 10px; }
.upload-preview .up-item { position: relative; border-radius: 8px; overflow: hidden; }
.upload-preview img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.upload-preview .up-del { position: absolute; top: 4px; right: 4px; width: 20px; height: 20px; border-radius: 50%; background: rgba(0,0,0,.6); color: #fff; border: none; font-size: 12px; line-height: 20px; }

/* 侧栏：积分信息 */
.points-card {
  background: var(--brand-dark); color: #fff; border-radius: var(--radius-lg);
  padding: 22px; position: relative; overflow: hidden;
}
.points-card::after { content:''; position:absolute; right:-40px; top:-40px; width:140px; height:140px; border-radius:50%; background: radial-gradient(circle, rgba(83,58,253,.5), transparent 70%); }
.points-label { font-size: 12px; color: rgba(255,255,255,.6); }
.points-num { font-size: 34px; font-weight: 600; margin: 6px 0; font-variant-numeric: tabular-nums; }
.points-level { font-size: 12px; background: rgba(255,255,255,.14); border-radius: 999px; padding: 3px 10px; display: inline-block; }
.points-actions { margin-top: 16px; display: flex; gap: 8px; }
.points-actions .btn { flex: 1; font-size: 13px; padding: 8px 0; }
.package-list { display: flex; flex-direction: column; gap: 10px; }
.package-item { border: 1px solid var(--border); border-radius: 10px; padding: 14px; display: flex; justify-content: space-between; align-items: center; }
.package-item .pn { font-size: 14px; font-weight: 500; }
.package-item .pp { font-size: 12px; color: var(--text-light); }
.package-item .price { font-size: 16px; font-weight: 600; color: var(--brand-blue); }

/* ---------- 任务列表 ---------- */
.task-list { display: flex; flex-direction: column; gap: 12px; }
.task-item { display: flex; align-items: center; gap: 16px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.task-thumb { width: 72px; height: 72px; border-radius: 10px; background: var(--bg-page); overflow: hidden; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.task-thumb img { width: 100%; height: 100%; object-fit: cover; }
.task-info { flex: 1; min-width: 0; }
.task-info .t1 { display: flex; gap: 8px; align-items: center; }
.task-info .t1 b { font-size: 14px; font-weight: 500; }
.task-info .t2 { font-size: 12px; color: var(--text-light); margin-top: 4px; }
.badge-status { font-size: 11px; padding: 3px 10px; border-radius: 999px; }
.badge-status.s0 { background: #fef3c7; color: #b45309; }
.badge-status.s1 { background: #dbeafe; color: #1d4ed8; }
.badge-status.s2 { background: #dcfce7; color: #15803d; }
.badge-status.s3 { background: #fee2e2; color: #b91c1c; }
.badge-status.s4 { background: #e2e8f0; color: #64748b; }
.task-meta { text-align: right; font-size: 12px; color: var(--text-light); flex-shrink: 0; }

/* ---------- 用户中心 ---------- */
.uc-layout { display: grid; grid-template-columns: 280px 1fr; gap: 24px; padding: 32px 0 64px; align-items: start; }
.uc-side { display: flex; flex-direction: column; gap: 14px; }
.uc-card { background: var(--brand-dark); color: #fff; border-radius: var(--radius-lg); padding: 22px; text-align: center; }
.uc-avatar { width: 64px; height: 64px; border-radius: 50%; background: var(--grad-cta); display: flex; align-items: center; justify-content: center; font-size: 26px; margin: 0 auto 10px; color: #fff; }
.uc-name { font-size: 16px; font-weight: 500; }
.uc-level { font-size: 12px; color: rgba(255,255,255,.6); margin-top: 4px; }
.uc-points { margin-top: 14px; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.12); font-size: 12px; color: rgba(255,255,255,.7); }
.uc-points b { font-size: 22px; color: #fff; font-variant-numeric: tabular-nums; }
.uc-menu { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.uc-menu a { display: block; padding: 13px 20px; font-size: 14px; color: var(--text-sub); border-bottom: 1px solid var(--border); transition: .2s; }
.uc-menu a:last-child { border-bottom: none; }
.uc-menu a:hover, .uc-menu a.active { color: var(--brand-blue); background: rgba(83,58,253,.05); }
.uc-main { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 26px; min-height: 420px; }
.uc-main h3 { font-size: 18px; font-weight: 500; margin-bottom: 18px; }

/* 表格 */
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th { text-align: left; padding: 10px 12px; color: var(--text-light); font-weight: 500; border-bottom: 1px solid var(--border); font-size: 12px; }
.table td { padding: 11px 12px; border-bottom: 1px solid var(--border); color: var(--text-main); }
.table tr:last-child td { border-bottom: none; }
.table .pos { color: #16a34a; }
.table .neg { color: #dc2626; }

/* 分页 */
.pager { display: flex; gap: 8px; margin-top: 18px; justify-content: center; }
.pager button { border: 1px solid var(--border); background: #fff; border-radius: 8px; padding: 6px 12px; font-size: 13px; }
.pager button.active { background: var(--grad-cta); color: #fff; border-color: transparent; }

/* ---------- 登录注册 ---------- */
.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--grad-aurora); padding: 24px; }
.auth-card { width: 420px; background: #fff; border-radius: 20px; box-shadow: var(--shadow-lg); padding: 36px; }
.auth-card .logo { justify-content: center; margin-bottom: 8px; }
.auth-title { text-align: center; font-size: 22px; font-weight: 300; margin-top: 12px; }
.auth-sub { text-align: center; font-size: 13px; color: var(--text-light); margin-top: 6px; margin-bottom: 26px; }
.auth-tabs { display: flex; background: var(--bg-page); border-radius: 10px; padding: 4px; margin-bottom: 22px; }
.auth-tabs button { flex: 1; border: none; background: transparent; border-radius: 8px; padding: 9px; font-size: 14px; color: var(--text-sub); }
.auth-tabs button.active { background: #fff; color: var(--brand-blue); box-shadow: var(--shadow); font-weight: 500; }
.auth-card .btn { width: 100%; margin-top: 8px; padding: 12px; }
.auth-tip { text-align: center; font-size: 12px; color: var(--text-light); margin-top: 16px; }

/* ---------- Toast & Modal ---------- */
.toast {
  position: fixed; top: 78px; left: 50%; transform: translateX(-50%) translateY(-16px);
  background: var(--brand-dark); color: #fff; font-size: 14px;
  border-radius: 12px; padding: 12px 22px; z-index: 999; opacity: 0;
  transition: all .3s; box-shadow: var(--shadow-lg); pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.error { background: #b91c1c; }
.modal-mask { position: fixed; inset: 0; background: rgba(13,37,61,.5); z-index: 200; display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: .25s; }
.modal-mask.show { opacity: 1; pointer-events: auto; }
.modal { background: #fff; border-radius: 16px; width: 520px; max-width: 92vw; padding: 26px; transform: translateY(12px); transition: .25s; }
.modal-mask.show .modal { transform: translateY(0); }
.modal h3 { font-size: 18px; font-weight: 500; margin-bottom: 14px; }

.empty { text-align: center; color: var(--text-light); padding: 60px 0; font-size: 14px; }
.loading { text-align: center; color: var(--text-light); padding: 40px 0; font-size: 14px; }

/* 结果展示 */
.result-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.result-item { border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.result-item img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.result-item .rn { padding: 8px 10px; font-size: 12px; color: var(--text-sub); }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .quick-grid { grid-template-columns: repeat(2, 1fr); }
  .hot-grid { grid-template-columns: repeat(2, 1fr); }
  .gen-layout { grid-template-columns: 1fr; }
  .uc-layout { grid-template-columns: 1fr; }
  .why-wrap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .scene-grid { grid-template-columns: repeat(3, 1fr); }
  .nav { display: none; }
}