/* 灵窗主题（2026-10-28 v2）：照着灵窗桌面——浅天蓝天空背景、毛玻璃卡片、浅色玻璃顶栏与侧栏、深海蓝胶囊按钮；
   数据表格和表单保持足够不透明，保证看得清。在 app.css 之后加载。 */
:root {
  --bg: #e6f1fa; --panel: rgba(255, 255, 255, .78); --panel-2: rgba(236, 245, 252, .85); --line: rgba(120, 160, 205, .28); --text: #1a2c47; --muted: #5a6d86;
  --accent: #2b5ea3; --accent-soft: rgba(43, 94, 163, .1); --brand-1: #3c71b5; --brand-2: #1e4380; --brand-3: #16315f; --title: #1d3f7a;
  --sky: #dceff9; --frame: #34b874; --frame-soft: rgba(52, 184, 116, .12);
  --chart-1: #2b5ea3; --chart-2: #2a9fb0; --chart-3: #e08a2b; --chart-4: #7d5bd0; --chart-5: #d24f74; --chart-6: #6b7785;
  --radius: 18px;
  --glass: rgba(255, 255, 255, .62); --glass-strong: rgba(255, 255, 255, .82); --glass-border: rgba(255, 255, 255, .85);
  --shadow: 0 10px 30px rgba(40, 90, 150, .12), inset 0 1px 0 rgba(255, 255, 255, .9);
  --brand-gradient: linear-gradient(180deg, #3c71b5 0%, #24508f 55%, #1d3f73 100%);
  --sky-bg:
    radial-gradient(1.5px 1.5px at 12% 18%, rgba(255, 255, 255, .95), transparent 60%), radial-gradient(2px 2px at 78% 12%, rgba(255, 255, 255, .9), transparent 60%),
    radial-gradient(1.5px 1.5px at 64% 36%, rgba(255, 255, 255, .85), transparent 60%), radial-gradient(2px 2px at 30% 62%, rgba(255, 255, 255, .8), transparent 60%),
    radial-gradient(1.5px 1.5px at 88% 70%, rgba(255, 255, 255, .85), transparent 60%), radial-gradient(1.5px 1.5px at 46% 84%, rgba(255, 255, 255, .8), transparent 60%),
    radial-gradient(60% 40% at 80% 0%, rgba(255, 255, 255, .7), transparent 70%), radial-gradient(70% 50% at 10% 30%, rgba(170, 210, 240, .55), transparent 70%),
    radial-gradient(80% 60% at 70% 75%, rgba(255, 255, 255, .55), transparent 70%),
    linear-gradient(180deg, #bfdcf2 0%, #d6eaf8 35%, #e8f3fb 70%, #f5fafe 100%);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1828; --panel: rgba(22, 36, 58, .78); --panel-2: rgba(28, 44, 70, .85); --line: rgba(120, 160, 210, .2); --text: #e3ecf7; --muted: #95a8c2;
    --accent: #7fb0ee; --accent-soft: rgba(127, 176, 238, .14); --title: #cfe1fb; --frame: #4fd68a; --frame-soft: rgba(79, 214, 138, .14);
    --chart-1: #7fb0ee; --chart-2: #3fc0cf;
    --glass: rgba(24, 40, 64, .6); --glass-strong: rgba(24, 40, 64, .82); --glass-border: rgba(150, 190, 240, .18);
    --shadow: 0 10px 30px rgba(0, 0, 0, .35), inset 0 1px 0 rgba(255, 255, 255, .06);
    --sky-bg:
      radial-gradient(1.5px 1.5px at 12% 18%, rgba(255, 255, 255, .8), transparent 60%), radial-gradient(2px 2px at 78% 12%, rgba(255, 255, 255, .7), transparent 60%),
      radial-gradient(1.5px 1.5px at 64% 36%, rgba(255, 255, 255, .6), transparent 60%), radial-gradient(2px 2px at 30% 62%, rgba(255, 255, 255, .55), transparent 60%),
      radial-gradient(70% 50% at 20% 20%, rgba(60, 113, 181, .35), transparent 70%), linear-gradient(180deg, #0b1626 0%, #10203a 60%, #142744 100%);
    color-scheme: dark;
  }
}
html { background: var(--bg); }
body { font-family: "Microsoft YaHei UI", "PingFang SC", "Segoe UI", system-ui, sans-serif; -webkit-font-smoothing: antialiased; background: var(--sky-bg); background-attachment: fixed; color: var(--text); }
h1 { color: var(--title); }

/* 玻璃：卡片、指标、面板 */
.card, .kpi, .tile, .feature, .price-card, .auth-main, .payout-flow, .issue, .plan, .code-card {
  background: var(--glass); border: 1px solid var(--glass-border); box-shadow: var(--shadow);
  -webkit-backdrop-filter: blur(16px) saturate(1.2); backdrop-filter: blur(16px) saturate(1.2);
}
.card, .kpi, .tile { border-radius: var(--radius); }
/* 表格和长表单需要更实一点的底，数字才清楚 */
.card:has(table), .card:has(form), .drawer .card { background: var(--glass-strong); }
th, td { border-bottom-color: var(--line); }

/* 按钮：胶囊。主按钮深海蓝带玻璃高光，次按钮白玻璃 */
button, .button { border-radius: 999px; padding: 7px 16px; background: var(--glass-strong); border: 1px solid var(--glass-border); color: var(--title);
  box-shadow: 0 2px 8px rgba(40, 90, 150, .1), inset 0 1px 0 rgba(255, 255, 255, .9); transition: filter .15s, box-shadow .15s, background-color .15s; }
button:hover, .button:hover { border-color: rgba(43, 94, 163, .35); filter: brightness(1.03); }
button.primary, .button.primary { background: var(--brand-gradient); color: #fff; border: 1px solid rgba(20, 50, 100, .5);
  box-shadow: 0 6px 16px rgba(29, 63, 115, .3), inset 0 1px 0 rgba(255, 255, 255, .35); font-weight: 600; }
button.primary:hover, .button.primary:hover { filter: brightness(1.1); }
button.ghost, .button.ghost { background: transparent; border-color: transparent; box-shadow: none; }
button.danger { color: var(--bad); }
button.danger.solid { background: linear-gradient(180deg, #d4564e, #b33a33); color: #fff; border-color: transparent; }
input, select, textarea { background: rgba(255, 255, 255, .86); border: 1px solid var(--line); border-radius: 12px; padding: 9px 12px; }
input:focus, select:focus, textarea:focus, button:focus-visible { outline: 3px solid rgba(60, 113, 181, .2); border-color: var(--accent); }
@media (prefers-color-scheme: dark) { input, select, textarea { background: rgba(14, 26, 44, .8); } }
.badge.accent { background: var(--accent-soft); }
.segmented { border-radius: 999px; border-color: var(--glass-border); background: var(--glass); overflow: hidden; }
.segmented button { border-radius: 999px; box-shadow: none; border: 0; background: transparent; }
.segmented button.active { background: var(--brand-gradient); color: #fff; }
.tabs { background: var(--glass); border: 1px solid var(--glass-border); border-radius: 999px; }
.tabs button, .tabs a { border-radius: 999px; box-shadow: none; }
.tabs button.active, .tabs a.active { background: var(--glass-strong); color: var(--title); box-shadow: 0 2px 8px rgba(40, 90, 150, .15); }

/* 顶栏：浅色玻璃条（像桌面窗口顶部） */
.topbar { background: rgba(255, 255, 255, .55); border-bottom: 1px solid var(--glass-border); color: var(--title);
  -webkit-backdrop-filter: blur(18px) saturate(1.3); backdrop-filter: blur(18px) saturate(1.3); box-shadow: 0 4px 20px rgba(40, 90, 150, .08); }
@media (prefers-color-scheme: dark) { .topbar { background: rgba(14, 26, 44, .6); } }
.topbar .brand { color: var(--title); }
.topbar .muted { color: var(--muted); }
.brand img { border-radius: 10px; box-shadow: 0 2px 8px rgba(40, 90, 150, .2); }

/* 侧边导航：浅玻璃，选中项是白玻璃 + 左侧深蓝条（同桌面“首页”选中样式） */
.nav { background: rgba(240, 248, 253, .55); border-right: 1px solid var(--glass-border); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); }
@media (prefers-color-scheme: dark) { .nav { background: rgba(14, 26, 44, .55); } }
.nav button, .nav a { border-radius: 14px; box-shadow: none; border: 1px solid transparent; background: transparent; color: var(--muted); }
.nav button.active { background: var(--glass-strong); color: var(--title); border-color: var(--glass-border); box-shadow: inset 3px 0 0 var(--brand-2), 0 4px 14px rgba(40, 90, 150, .12); font-weight: 600; }
.nav button:hover:not(.active) { background: rgba(255, 255, 255, .45); color: var(--title); }
.mobile-tabs { background: rgba(255, 255, 255, .7); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); }

/* 框选角标：灵窗的标志元素 */
.framed { position: relative; }
.framed::before { content: ""; position: absolute; inset: -6px; pointer-events: none;
  background:
    linear-gradient(var(--frame), var(--frame)) top left / 18px 3px no-repeat, linear-gradient(var(--frame), var(--frame)) top left / 3px 18px no-repeat,
    linear-gradient(var(--frame), var(--frame)) top right / 18px 3px no-repeat, linear-gradient(var(--frame), var(--frame)) top right / 3px 18px no-repeat,
    linear-gradient(var(--frame), var(--frame)) bottom left / 18px 3px no-repeat, linear-gradient(var(--frame), var(--frame)) bottom left / 3px 18px no-repeat,
    linear-gradient(var(--frame), var(--frame)) bottom right / 18px 3px no-repeat, linear-gradient(var(--frame), var(--frame)) bottom right / 3px 18px no-repeat; }

/* 会员卡：深海蓝玻璃；登录页左侧：天空玻璃大卡（同桌面首页的大卡片） */
.member-card { background: linear-gradient(160deg, rgba(60, 113, 181, .92), rgba(29, 63, 115, .95)); color: #fff; border: 1px solid rgba(255, 255, 255, .35); }
.member-card h2, .member-card .value { color: #fff; }
.auth { gap: 18px; }
.auth-side { background: var(--glass); border: 1px solid var(--glass-border); box-shadow: var(--shadow); color: var(--text); border-radius: 28px;
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); align-content: start; gap: 24px; }
.auth-side .brand { color: var(--title); }
.auth-side h1 { font-size: 26px; line-height: 1.35; color: var(--title); }
.auth-side li span { color: var(--muted); opacity: 1; }
.auth-side .stack { margin-top: auto; }
.auth-main { border-radius: 28px; border-left: 1px solid var(--glass-border); }
.auth-art { background: rgba(255, 255, 255, .55); border: 1px solid var(--glass-border); border-radius: 16px; padding: 14px; display: grid; gap: 8px; }
.auth-art .ln { height: 7px; border-radius: 4px; background: rgba(120, 160, 205, .3); }
.auth-art .pick { margin: 6px 4px; padding: 9px 10px; background: #fff; color: var(--title); border-radius: 6px; font-size: 13px; }
@media (min-width: 861px) { .auth-side { border-radius: 28px; } .auth-main { border-radius: 28px; } }
@media (max-width: 860px) { .auth-side, .auth-main { border-radius: 24px; border: 1px solid var(--glass-border); } }

/* 赚钱合作 */
.payout-flow { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--panel); }
.payout-flow > div { padding: 14px 16px; display: grid; gap: 2px; }
.payout-flow > div + div { border-left: 1px solid var(--line); }
.payout-flow .value { font-size: 22px; font-weight: 600; font-variant-numeric: tabular-nums; }
.payout-flow .net .value { color: var(--good); }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px; counter-reset: step; }
.steps > div { background: var(--panel-2); border-radius: 10px; padding: 12px 14px 12px 46px; font-size: 13px; position: relative; color: var(--muted); }
.steps > div::before { counter-increment: step; content: counter(step); position: absolute; left: 12px; top: 12px; width: 22px; height: 22px; border-radius: 50%; background: var(--accent); color: #fff; display: grid; place-items: center; font-size: 12px; font-weight: 600; }
.steps strong { display: block; color: var(--text); }
.rule-list { display: grid; gap: 6px; margin: 0; padding-left: 18px; }
.receipt { max-width: 680px; width: 100%; margin: 0 auto; background: #fff; color: #111; border: 1px solid #c8d0dc; border-radius: 6px; padding: 28px 32px; display: grid; gap: 14px; }
.receipt h1 { text-align: center; letter-spacing: .3em; font-size: 22px; }
.receipt td, .receipt th { white-space: normal; border-bottom: 1px solid #dde3ea; color: #111; }
.receipt .muted { color: #555; }
@media print {
  .topbar, .nav, .mobile-tabs, .no-print, .site-footer { display: none !important; }
  .shell { display: block; } .content { padding: 0; max-width: none; } body { background: #fff; }
  .receipt { border: 0; }
}

/* —— 公开首页 —— */
.home-top nav { display: flex; gap: 4px; }
.home-top nav a { color: rgba(255, 255, 255, .85); padding: 6px 10px; border-radius: 8px; }
.home-top nav a:hover { background: rgba(255, 255, 255, .14); text-decoration: none; color: #fff; }
.hero { background: radial-gradient(70% 120% at 85% 10%, rgba(220, 239, 249, .25), transparent 60%), var(--brand-gradient); color: #fff; padding: 64px 24px 72px; }
.hero-inner, .section-inner { max-width: 1120px; margin: 0 auto; }
.hero-inner { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 48px; align-items: center; }
.hero h1 { font-size: 40px; line-height: 1.25; }
.hero h1 em { font-style: normal; color: #9ff0c4; }
.hero .lead { font-size: 17px; opacity: .9; margin-top: 14px; max-width: 520px; }
.hero .actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.hero .actions .button { padding: 11px 22px; font-size: 15px; }
.hero .actions .button.primary { background: #fff; color: var(--brand-2); box-shadow: 0 6px 18px rgba(5, 20, 45, .25); }
.hero .actions .button.light { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .35); color: #fff; }
.hero .assure { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 22px; font-size: 13px; opacity: .88; }
.hero .assure span::before { content: "✓ "; color: #9ff0c4; }
.mock { background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .25); border-radius: 16px; padding: 14px; box-shadow: 0 24px 60px rgba(5, 20, 45, .35); }
.mock-bar { display: flex; gap: 6px; margin-bottom: 12px; }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255, 255, 255, .35); }
.mock-body { display: grid; grid-template-columns: 1.25fr 1fr; gap: 12px; }
.mock-doc { background: #f7fafd; border-radius: 10px; padding: 16px 14px; display: grid; gap: 9px; align-content: start; }
.mock-doc .ln { height: 8px; border-radius: 4px; background: #d5dfeb; }
.mock-doc .ln.short { width: 60%; }
.mock-doc .pick { margin: 8px 4px; padding: 10px; border-radius: 4px; background: #fff; color: #1d2a3a; font-size: 13px; line-height: 1.5; }
.mock-panel { background: rgba(236, 246, 252, .97); border-radius: 10px; padding: 12px; color: #17396c; font-size: 12.5px; display: grid; gap: 8px; align-content: start; }
.mock-panel .title { font-weight: 600; display: flex; gap: 6px; align-items: center; }
.mock-panel .title i { width: 8px; height: 8px; border-radius: 50%; background: #34b874; box-shadow: 0 0 0 3px rgba(52, 184, 116, .25); }
.mock-panel .q { background: #fff; border-radius: 8px; padding: 7px 9px; justify-self: end; max-width: 92%; }
.mock-panel .a { background: #fff; border-radius: 8px; padding: 8px 10px; line-height: 1.6; border-left: 3px solid #34b874; }
.home-section { padding: 64px 24px; }
.home-section.alt { background: var(--panel); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { text-align: center; max-width: 660px; margin: 0 auto 36px; display: grid; gap: 10px; }
.section-head h2 { font-size: 28px; }
.section-head p { color: var(--muted); font-size: 15px; }
.eyebrow { color: var(--accent); font-weight: 600; font-size: 13px; letter-spacing: .12em; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.feature { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 22px; display: grid; gap: 8px; align-content: start; box-shadow: var(--shadow); }
.home-section.alt .feature { background: var(--bg); box-shadow: none; }
.feature .ico { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; font-size: 20px; background: var(--accent-soft); }
.feature h3 { font-size: 16px; }
.feature p { color: var(--muted); font-size: 14px; }
.how { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.how .step { text-align: center; padding: 10px 18px; display: grid; gap: 8px; justify-items: center; }
.how .num { width: 44px; height: 44px; border-radius: 50%; background: var(--brand-gradient); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 17px; }
.how .step p { color: var(--muted); font-size: 14px; }
.ai-row { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-top: 28px; }
.ai-row span { padding: 6px 14px; border-radius: 999px; background: var(--panel); border: 1px solid var(--line); font-size: 13px; }
.price-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; max-width: 980px; margin: 0 auto; }
.price-card { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 26px 22px; display: grid; gap: 12px; align-content: start; box-shadow: var(--shadow); }
.price-card.featured { border: 2px solid var(--accent); }
.price-card .amount { font-size: 34px; font-weight: 700; }
.price-card .amount small { font-size: 14px; color: var(--muted); font-weight: 400; }
.price-card ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 7px; font-size: 14px; }
.price-card li::before { content: "✓"; color: var(--frame); font-weight: 700; margin-right: 8px; }
.partner-band { background: radial-gradient(80% 120% at 100% 0%, rgba(220, 239, 249, .2), transparent 60%), var(--brand-gradient); color: #fff; border-radius: 20px; padding: 36px; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 32px; align-items: center; }
.partner-band h2 { font-size: 26px; }
.partner-band p { opacity: .9; }
.partner-band .facts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.partner-band .facts div { background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .18); border-radius: 12px; padding: 12px 14px; font-size: 13px; }
.partner-band .facts strong { display: block; font-size: 17px; }
.partner-band .button.primary { background: #fff; color: var(--brand-2); }
.privacy-strip { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.privacy-strip > div { display: grid; gap: 6px; padding: 18px; border-radius: 14px; background: var(--frame-soft); color: var(--muted); font-size: 14px; }
.privacy-strip strong { color: var(--text); font-size: 15px; }
.home-footer { background: var(--brand-3); color: rgba(255, 255, 255, .72); padding: 28px 24px; font-size: 13px; }
.home-footer a { color: rgba(255, 255, 255, .88); }
.home-footer .section-inner { display: flex; gap: 18px; justify-content: space-between; flex-wrap: wrap; }
.doc-page { max-width: 820px; margin: 0 auto; padding: 32px 20px 48px; display: grid; gap: 16px; }
.doc-page h2 { font-size: 17px; margin-top: 8px; }
.doc-page ol, .doc-page ul { margin: 0; padding-left: 22px; display: grid; gap: 6px; }
@media (max-width: 860px) {
  .hero { padding: 40px 16px 48px; }
  .hero-inner, .partner-band { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .hero h1 { font-size: 30px; }
  .feature-grid, .how, .privacy-strip { grid-template-columns: minmax(0, 1fr); }
  .home-section { padding: 44px 16px; }
  .home-top nav { display: none; }
  .partner-band { padding: 24px; }
  .partner-band .facts { grid-template-columns: minmax(0, 1fr); }
  .payout-flow { grid-template-columns: minmax(0, 1fr); }
  .payout-flow > div + div { border-left: 0; border-top: 1px solid var(--line); }
}
.code-row { padding: 10px 0; border-bottom: 1px solid var(--line); }
.code-row:last-of-type { border-bottom: 0; }
.stack > .segmented, .stack-sm > .segmented { justify-self: start; }
.row.nowrap > input { flex: 1; min-width: 0; }
.row.nowrap > button { flex: none; white-space: nowrap; }
.invoice-cell { white-space: normal; min-width: 150px; display: grid; gap: 6px; justify-items: start; }
.invoice-cell form input { width: 130px !important; }
.auth-main button.primary { justify-content: center; }

/* 登录注册：必填红星、密码眼睛、一条同意 */
.req::after { content: " *"; color: var(--bad); }
.pw { position: relative; display: block; }
.pw input { padding-right: 40px; }
.pw .eye { position: absolute; right: 4px; top: 50%; transform: translateY(-50%); border: 0; background: transparent; padding: 6px; color: var(--muted); display: grid; place-items: center; box-shadow: none; }
.pw .eye:hover { color: var(--text); background: transparent; }
.check.agree { font-size: 12.5px; color: var(--muted); line-height: 1.6; }
.check.agree a { white-space: nowrap; }
.center { text-align: center; }

/* —— 首页 v2：天空底 + 毛玻璃大卡片（照桌面首页“把眼前的任务交给 AI”那张卡） —— */
.home-top nav a { color: var(--title); }
.home-top nav a:hover { background: rgba(255, 255, 255, .6); color: var(--title); }
.hero { background: transparent; color: var(--text); padding: 40px 24px 56px; }
.hero-inner { background: var(--glass); border: 1px solid var(--glass-border); box-shadow: var(--shadow); border-radius: 32px; padding: 44px;
  -webkit-backdrop-filter: blur(18px) saturate(1.2); backdrop-filter: blur(18px) saturate(1.2); }
.hero .eyebrow { color: var(--muted); letter-spacing: .08em; }
.hero h1 { color: var(--title); }
.hero h1 em { color: var(--accent); }
.hero .lead { color: var(--muted); opacity: 1; }
.hero .actions .button { padding: 12px 26px; }
.hero .actions .button.primary { background: var(--brand-gradient); color: #fff; }
.hero .actions .button.light { background: var(--glass-strong); color: var(--title); border-color: var(--glass-border); }
.hero .assure { color: var(--muted); opacity: 1; }
.hero .assure span::before { color: var(--frame); }
.mock { background: rgba(255, 255, 255, .5); border: 1px solid var(--glass-border); box-shadow: 0 18px 40px rgba(40, 90, 150, .18), inset 0 1px 0 #fff; border-radius: 22px; }
.mock-bar i { background: rgba(120, 160, 205, .45); }
.mock-doc { background: rgba(255, 255, 255, .9); border-radius: 14px; }
.mock-panel { background: rgba(232, 244, 252, .95); border-radius: 14px; }
.home-section.alt { background: rgba(255, 255, 255, .35); border-color: var(--glass-border); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.home-section.alt .feature { background: var(--glass-strong); box-shadow: var(--shadow); }
.section-head h2 { color: var(--title); }
.feature { border-radius: 22px; }
.feature .ico { background: rgba(255, 255, 255, .8); box-shadow: inset 0 1px 0 #fff, 0 2px 6px rgba(40, 90, 150, .12); border-radius: 14px; }
.how .num { box-shadow: 0 6px 14px rgba(29, 63, 115, .3), inset 0 1px 0 rgba(255, 255, 255, .35); }
.ai-row span { background: var(--glass-strong); border-color: var(--glass-border); }
.price-card { border-radius: 24px; }
.price-card.featured { border: 2px solid rgba(43, 94, 163, .55); background: var(--glass-strong); }
.partner-band { background: var(--glass); border: 1px solid var(--glass-border); box-shadow: var(--shadow); color: var(--text); border-radius: 32px;
  -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); }
.partner-band h2 { color: var(--title); }
.partner-band p { opacity: 1; color: var(--muted); }
.partner-band .eyebrow { color: var(--accent); }
.partner-band .facts div { background: var(--glass-strong); border-color: var(--glass-border); color: var(--muted); }
.partner-band .facts strong { color: var(--title); }
.partner-band .button.primary { background: var(--brand-gradient); color: #fff; }
.privacy-strip > div { background: var(--glass); border: 1px solid var(--glass-border); box-shadow: var(--shadow); }
.home-footer { background: rgba(255, 255, 255, .5); border-top: 1px solid var(--glass-border); color: var(--muted); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); }
.home-footer a { color: var(--accent); }
@media (prefers-color-scheme: dark) { .home-footer { background: rgba(14, 26, 44, .55); } .mock-doc, .mock-panel { color: #1d3f7a; } }
@media (max-width: 860px) { .hero { padding: 20px 12px 36px; } .hero-inner { padding: 24px; border-radius: 24px; } }
.site-footer { color: var(--muted); }

/* —— 风格 v3：天空背景图（云层 + 四角星光，见 sky.svg）、玻璃顶部高光、侧栏品牌块 —— */
body { background: url(/assets/sky.svg) center top / cover no-repeat fixed, var(--sky-bg); background-attachment: fixed; }
@media (prefers-color-scheme: dark) { body { background: url(/assets/sky.svg) center top / cover no-repeat fixed, var(--sky-bg); background-blend-mode: soft-light, normal; } }
/* 玻璃卡片顶部一道高光，像桌面卡片的光泽 */
.card, .kpi, .tile, .feature, .price-card, .auth-main, .auth-side, .hero-inner, .partner-band { position: relative; }
.card::after, .kpi::after, .tile::after, .feature::after, .price-card::after, .auth-main::after, .auth-side::after, .hero-inner::after, .partner-band::after {
  content: ""; position: absolute; left: 1px; right: 1px; top: 1px; height: 42%; border-radius: inherit; pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, .55), rgba(255, 255, 255, 0)); opacity: .55; }
@media (prefers-color-scheme: dark) { .card::after, .kpi::after, .tile::after, .feature::after, .price-card::after, .auth-main::after, .auth-side::after, .hero-inner::after, .partner-band::after { opacity: .08; } }
.card > *, .kpi > *, .tile > *, .feature > *, .price-card > *, .auth-main > *, .auth-side > *, .hero-inner > *, .partner-band > * { position: relative; z-index: 1; }
/* 侧栏品牌块和底部账户卡（同桌面左上角“灵窗助手 / 屏幕 AI 助手”、左下角“个人账户”） */
.nav-brand { display: flex; align-items: center; gap: 12px; padding: 6px 8px 14px; }
.nav-brand img { width: 42px; height: 42px; border-radius: 13px; box-shadow: 0 6px 16px rgba(40, 90, 150, .22), inset 0 1px 0 #fff; }
.nav-brand strong { display: block; color: var(--title); font-size: 16px; }
.nav-brand span { color: var(--muted); font-size: 12px; }
.nav-account { margin-top: 16px; padding: 10px 12px; border-radius: 16px; background: var(--glass-strong); border: 1px solid var(--glass-border); box-shadow: var(--shadow);
  display: flex; gap: 10px; align-items: center; font-size: 13px; color: var(--title); }
.nav-account i { width: 30px; height: 30px; border-radius: 10px; display: grid; place-items: center; font-style: normal; font-weight: 700; color: #fff; background: var(--brand-gradient); }
.nav-account small { display: block; color: var(--muted); font-size: 11px; }
@media (max-width: 860px) { .nav-brand, .nav-account { display: none; } }

/* ===================================================================================================
   风格 v4：直接移植灵窗桌面默认皮肤（src/renderer/src/styles.css 的 launcher 一组）——
   同一张星空背景图（sky.jpg，来自 resources/branding/lingchuang-starfield-default.png）、同一套玻璃卡片、
   “开始框选”式主按钮、“管理连接”式次按钮、左侧导航和顶部标题栏。桌面只有浅色皮肤，网页也统一用浅色。
   =================================================================================================== */
:root, :root:is(*) {
  --bg: #bfe8fb; --text: #173d66; --muted: #4f7491; --title: #173e72; --accent: #285d9b; --accent-soft: rgba(40, 93, 155, .12);
  --line: rgba(30, 73, 126, .22); --panel: rgba(240, 249, 255, .82); --panel-2: rgba(226, 243, 253, .8);
  --good: #207957; --frame: #33a279; --frame-soft: rgba(51, 162, 121, .14);
  --glass: linear-gradient(135deg, rgba(220, 242, 255, .7), rgba(88, 143, 185, .24) 45%, rgba(248, 252, 255, .7));
  --glass-strong: linear-gradient(135deg, rgba(236, 248, 255, .9), rgba(150, 196, 228, .34) 45%, rgba(250, 253, 255, .9));
  --glass-border: rgba(255, 255, 255, .96);
  --shadow: 0 12px 24px rgba(24, 69, 108, .16), inset 0 -4px 8px rgba(30, 67, 102, .23);
  --brand-gradient: linear-gradient(180deg, rgba(52, 105, 164, .54), rgba(23, 57, 108, .62)), linear-gradient(180deg, #416f9f, #234b7e);
  color-scheme: light;
}
html { background: #bfe8fb; }
body {
  color: var(--text);
  background-color: #bfe8fb;
  background-image: linear-gradient(180deg, rgba(237, 248, 255, 0) 0%, rgba(237, 248, 255, 0) 55%, rgba(248, 252, 255, .45) 75%, rgba(255, 255, 255, .85) 100%), url(/assets/sky.jpg);
  background-size: cover, cover; background-position: center top; background-repeat: no-repeat; background-attachment: fixed;
}
h1 { color: #173e72; letter-spacing: -.02em; text-shadow: 0 1px rgba(255, 255, 255, .98), 0 3px 6px rgba(23, 55, 112, .12); }
h2 { color: #19456f; text-shadow: 0 1px rgba(255, 255, 255, .95); }
.muted, .hint, .label { color: #4f7491; }
a { color: #1f5a96; }

/* 玻璃卡片：同桌面首页大卡片——无外框、半透明渐变、模糊、底部内阴影，外加三处白色光斑 */
.card, .kpi, .tile, .feature, .price-card, .auth-main, .auth-side, .hero-inner, .partner-band, .payout-flow, .issue, .plan, .code-card, .privacy-strip > div {
  position: relative; isolation: isolate; border: 0; border-radius: 22px; color: var(--text);
  background: var(--glass); -webkit-backdrop-filter: blur(15px) saturate(1.22); backdrop-filter: blur(15px) saturate(1.22); box-shadow: var(--shadow);
}
.card::after, .kpi::after, .tile::after, .feature::after, .price-card::after, .auth-main::after, .auth-side::after, .hero-inner::after, .partner-band::after, .payout-flow::after {
  content: ""; position: absolute; z-index: -1; inset: 0; height: auto; border-radius: inherit; pointer-events: none; opacity: 1;
  background:
    radial-gradient(ellipse 37% 17% at 25% 0%, rgba(255, 255, 255, .94), transparent 96%),
    radial-gradient(ellipse 20% 32% at 100% 20%, rgba(255, 255, 255, .67), transparent 97%),
    radial-gradient(ellipse 23% 23% at 5% 7%, rgba(255, 255, 255, .64), transparent 100%),
    linear-gradient(112deg, rgba(255, 255, 255, .34), transparent 23% 85%, rgba(255, 255, 255, .12));
  mix-blend-mode: screen;
}
.card > *, .kpi > *, .tile > *, .feature > *, .price-card > *, .auth-main > *, .auth-side > *, .hero-inner > *, .partner-band > * { position: relative; z-index: 1; }
/* 有表格、表单的卡片底色更实（桌面答案面板 rgba(232,246,255,.86) 的做法），数字和输入框清楚 */
.card:has(table), .card:has(form), .drawer .card, .receipt { background: linear-gradient(140deg, rgba(244, 251, 255, .9), rgba(206, 231, 247, .82)); }
.kpi, .tile { border-radius: 18px; }
.kpi .value, .tile .value { color: #163e68; }
th { color: #456e8b; } th, td { border-bottom-color: rgba(28, 60, 110, .16); }
.member-card { background: linear-gradient(180deg, rgba(52, 105, 164, .78), rgba(23, 57, 108, .86)), linear-gradient(180deg, #416f9f, #234b7e); color: #fafdff; box-shadow: inset 0 1px rgba(255, 255, 255, .7), 0 10px 22px rgba(17, 54, 99, .28); }
.member-card h2, .member-card .value, .member-card .muted { color: #fafdff; text-shadow: 0 1px 2px rgba(9, 32, 67, .42); }

/* 按钮：次按钮 = “管理连接”；主按钮 = “开始框选” */
button, .button {
  min-height: 36px; padding: 7px 14px; color: #16497a; font-weight: 650; border: 2px solid rgba(255, 255, 255, .98); border-radius: 10px;
  background-color: rgba(198, 229, 249, .9); background-image: linear-gradient(180deg, rgba(255, 255, 255, .88), rgba(177, 213, 239, .68));
  box-shadow: inset 0 1px #fff, inset 0 -1px rgba(35, 83, 132, .23), 0 0 0 1px rgba(50, 119, 173, .18), 0 3px 8px rgba(22, 77, 128, .17); filter: none;
}
button:hover, .button:hover { filter: brightness(1.04); text-decoration: none; }
button.primary, .button.primary {
  position: relative; overflow: hidden; color: #fafdff; border: 2px solid rgba(255, 255, 255, .96); border-radius: 13px; background-color: #285d9b;
  background-image: linear-gradient(180deg, rgba(52, 105, 164, .54), rgba(23, 57, 108, .62)), linear-gradient(180deg, #416f9f, #234b7e);
  text-shadow: 0 1px 2px rgba(9, 32, 67, .42); font-weight: 700;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .96), inset 0 -1px 2px rgba(7, 26, 58, .48), 0 4px 10px rgba(14, 44, 87, .28);
}
button.primary::before, .button.primary::before { content: ""; position: absolute; inset: 1px 2px auto; height: 42%; border-radius: 10px 10px 50% 50%; pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, .27), rgba(255, 255, 255, .03), transparent); }
button.primary:hover, .button.primary:hover { filter: brightness(1.06); }
button.ghost, .button.ghost { background: transparent; border-color: transparent; box-shadow: none; color: #285680; }
button.ghost:hover, .button.ghost:hover { background: rgba(255, 255, 255, .5); }
button.danger { color: #b0403a; }
button.danger.solid { color: #fff; border-color: rgba(255, 255, 255, .9); background-image: linear-gradient(180deg, #d0605a, #a8362f); }
button:disabled { opacity: .55; }
input, select, textarea { border-radius: 10px; border: 1px solid rgba(40, 86, 138, .28); background: rgba(255, 255, 255, .86); color: #173d66; box-shadow: inset 0 1px 2px rgba(20, 60, 110, .08); }
input:focus, select:focus, textarea:focus, button:focus-visible { outline: 3px solid rgba(66, 129, 196, .28); border-color: #3281b5; }
.segmented, .tabs { border: 1px solid rgba(255, 255, 255, .9); border-radius: 12px; background: rgba(255, 255, 255, .45); padding: 3px; gap: 3px; box-shadow: inset 0 1px 2px rgba(20, 60, 110, .1); }
.segmented button, .tabs button, .tabs a { min-height: 30px; border: 0; border-radius: 9px; background: transparent; box-shadow: none; color: #416884; font-weight: 600; }
.segmented button.active, .tabs button.active, .tabs a.active { color: #183e66; background: linear-gradient(110deg, rgba(255, 255, 255, .92), rgba(178, 222, 247, .8)); box-shadow: inset 0 1px #fff, 0 3px 8px rgba(23, 57, 105, .14); }
.badge { background: rgba(255, 255, 255, .6); color: #456e8b; }
.badge.accent { background: rgba(40, 93, 155, .12); color: #285d9b; }
.notice { border-radius: 12px; }
.notice.info { background: rgba(255, 255, 255, .62); color: #1f5a96; box-shadow: inset 0 1px #fff; }

/* 顶栏 = 桌面顶部标题栏 */
.topbar { min-height: 48px; padding: 8px 22px; color: #254f76; border-bottom: 1px solid rgba(32, 72, 122, .34);
  background: linear-gradient(180deg, rgba(246, 252, 255, .77), rgba(209, 234, 249, .59)); box-shadow: inset 0 1px #fff, inset 0 -1px rgba(255, 255, 255, .82);
  -webkit-backdrop-filter: blur(18px) saturate(1.16); backdrop-filter: blur(18px) saturate(1.16); }
.topbar .brand { color: #183d66; font-size: 15px; }
.topbar .muted { color: #557898; }
.brand img { width: 30px; height: 30px; border-radius: 9px; box-shadow: inset 0 1px #fff, 0 4px 12px rgba(28, 73, 125, .15); }

/* 侧栏 = 桌面左侧导航（品牌块、选中项白→浅蓝渐变 + 左侧深蓝细线、底部账户卡） */
.nav { padding: 22px 14px 16px; gap: 6px; color: #183e66; border-right: 2px solid rgba(40, 86, 138, .52);
  background: linear-gradient(145deg, rgba(242, 250, 255, .64), rgba(181, 219, 242, .4)); -webkit-backdrop-filter: blur(14px) saturate(1.14); backdrop-filter: blur(14px) saturate(1.14);
  box-shadow: inset -1px 0 rgba(255, 255, 255, .86), 5px 0 18px rgba(24, 63, 105, .1); }
.nav button, .nav a { min-height: 0; padding: 11px 12px; color: #416884; font-weight: 500; font-size: 13.5px; border: 1px solid transparent; border-radius: 10px; background: transparent; box-shadow: none; }
.nav button:hover:not(.active), .nav a:hover { color: #193e66; background: rgba(255, 255, 255, .42); }
.nav button.active { color: #183e66; font-weight: 650; border-color: rgba(255, 255, 255, .96); background: linear-gradient(110deg, rgba(255, 255, 255, .89), rgba(178, 222, 247, .77));
  box-shadow: inset 0 1px #fff, inset 2px 0 #315c99, 0 3px 8px rgba(23, 57, 105, .12); }
.nav .group { color: #66849b; font-size: 10.5px; letter-spacing: .06em; }
.nav-brand { padding: 0 8px 22px; }
.nav-brand img { width: 42px; height: 42px; border-radius: 13px; box-shadow: inset 0 1px #fff, 0 4px 12px rgba(28, 73, 125, .15); }
.nav-brand strong { color: #183d66; font-size: 15px; } .nav-brand span { color: #597d98; font-size: 11px; }
.nav-account { margin-top: 18px; padding: 9px; gap: 9px; border: 1px solid rgba(255, 255, 255, .96); border-radius: 11px; color: #1b456e;
  background: linear-gradient(130deg, rgba(255, 255, 255, .86), rgba(181, 222, 246, .74)); box-shadow: inset 0 1px #fff, inset 0 -1px rgba(32, 72, 120, .18), 0 3px 9px rgba(22, 55, 105, .1); }
.nav-account i { width: 29px; height: 29px; border: 1px solid #fff; border-radius: 9px; color: #285680; background: linear-gradient(140deg, #9cdef9, #fff); font-size: 11px; }
.nav-account small { color: #64829a; font-size: 10px; }
.mobile-tabs { background: linear-gradient(180deg, rgba(246, 252, 255, .86), rgba(209, 234, 249, .78)); border-top: 1px solid rgba(32, 72, 122, .3); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); }

/* 首页、登录页沿用同一套玻璃 */
.hero { background: transparent; }
.hero-inner { border-radius: 25px; padding: 40px 44px; }
.hero h1 { font-size: clamp(30px, 3.4vw, 42px); color: #173e72; text-shadow: 0 0 1.5px rgba(158, 96, 218, .52), 0 1px rgba(255, 255, 255, .98), 1px 1px rgba(90, 76, 133, .18), 0 3px 6px rgba(23, 55, 112, .14); }
.hero h1 em { color: #285d9b; }
.hero .eyebrow, .eyebrow { color: #245481; text-shadow: 0 1px #fff; }
.hero .lead, .section-head p { color: #365f7d; }
.hero .actions .button.light { color: #16497a; }
.mock { border-radius: 20px; background: linear-gradient(135deg, rgba(220, 242, 255, .7), rgba(88, 143, 185, .24) 45%, rgba(248, 252, 255, .7)); border: 0; box-shadow: var(--shadow); }
.mock-panel { background: linear-gradient(140deg, rgba(244, 251, 255, .95), rgba(206, 231, 247, .9)); }
.home-section.alt { background: rgba(255, 255, 255, .28); border-color: rgba(255, 255, 255, .7); }
.home-footer { background: linear-gradient(180deg, rgba(246, 252, 255, .77), rgba(209, 234, 249, .65)); border-top: 1px solid rgba(32, 72, 122, .25); color: #456e8b; }
.feature .ico, .how .num { border: 1px solid #fff; }
.feature .ico { color: #285680; background: linear-gradient(145deg, #a3ddf7, #effaff); box-shadow: inset 0 1px #fff, 0 3px 8px rgba(17, 52, 105, .14); }
.how .num { background: linear-gradient(180deg, rgba(52, 105, 164, .54), rgba(23, 57, 108, .62)), linear-gradient(180deg, #416f9f, #234b7e); }
.auth-art { background: rgba(255, 255, 255, .5); border: 1px solid rgba(255, 255, 255, .9); }
.auth-side h1 { color: #173e72; }
.site-footer { color: #456e8b; }
.site-footer a { color: #1f5a96; }

/* 桌面只有浅色皮肤：深色系统下也保持同一套浅色玻璃 */
@media (prefers-color-scheme: dark) {
  :root { --bg: #bfe8fb; --text: #173d66; --muted: #4f7491; --title: #173e72; --accent: #285d9b; --line: rgba(30, 73, 126, .22); color-scheme: light; }
  .topbar { background: linear-gradient(180deg, rgba(246, 252, 255, .77), rgba(209, 234, 249, .59)); }
  .nav { background: linear-gradient(145deg, rgba(242, 250, 255, .64), rgba(181, 219, 242, .4)); }
  input, select, textarea { background: rgba(255, 255, 255, .86); color: #173d66; }
  .card::after, .kpi::after, .tile::after, .feature::after, .price-card::after, .auth-main::after, .auth-side::after, .hero-inner::after, .partner-band::after { opacity: 1; }
  .home-footer { background: linear-gradient(180deg, rgba(246, 252, 255, .77), rgba(209, 234, 249, .65)); }
  .mock-doc, .mock-panel { color: inherit; }
}

/* ===================================================================================================
   风格 v5：精致磨砂玻璃（去掉 v4 里像污渍的白色光斑、发灰的底部内阴影和泛蓝灰的中段渐变）。
   均匀半透明白 + 强模糊高饱和 + 1px 亮边与顶部细高光 + 轻柔多层浮起阴影。
   =================================================================================================== */
:root {
  --glass-fill: linear-gradient(180deg, rgba(255, 255, 255, .66) 0%, rgba(255, 255, 255, .5) 100%);
  --glass-fill-solid: linear-gradient(180deg, rgba(255, 255, 255, .86) 0%, rgba(250, 253, 255, .78) 100%);
  --glass-edge: rgba(255, 255, 255, .72);
  --glass-lift: 0 1px 2px rgba(16, 48, 88, .05), 0 6px 14px -4px rgba(16, 52, 96, .1), 0 22px 44px -14px rgba(20, 60, 110, .22);
  --glass-rim: inset 0 1px 0 rgba(255, 255, 255, .95), inset 0 0 0 1px rgba(255, 255, 255, .35);
}
.card, .kpi, .tile, .feature, .price-card, .auth-main, .auth-side, .hero-inner, .partner-band, .payout-flow, .issue, .plan, .code-card, .privacy-strip > div, .mock {
  background: var(--glass-fill); border: 1px solid var(--glass-edge); border-radius: 20px;
  -webkit-backdrop-filter: blur(28px) saturate(170%); backdrop-filter: blur(28px) saturate(170%);
  box-shadow: var(--glass-lift), var(--glass-rim);
}
.card::after, .kpi::after, .tile::after, .feature::after, .price-card::after, .auth-main::after, .auth-side::after, .hero-inner::after, .partner-band::after, .payout-flow::after { display: none; }
.kpi, .tile { border-radius: 16px; }
.hero-inner, .partner-band { border-radius: 28px; }
.card:has(table), .card:has(form), .drawer .card, .receipt { background: var(--glass-fill-solid); }
/* 悬停时轻轻浮起（可点的卡片） */
a.card:hover, .feature:hover, .price-card:hover, .tile.clickable:hover { box-shadow: 0 1px 2px rgba(16, 48, 88, .05), 0 10px 20px -6px rgba(16, 52, 96, .14), 0 30px 56px -16px rgba(20, 60, 110, .28), var(--glass-rim); transform: translateY(-1px); transition: transform .2s, box-shadow .2s; }
/* 会员卡：干净的深蓝渐变 + 一道细高光，不再有白雾 */
.member-card { border: 1px solid rgba(255, 255, 255, .28);
  background: linear-gradient(155deg, rgba(255, 255, 255, .16) 0%, rgba(255, 255, 255, 0) 38%), linear-gradient(160deg, #3d75b9 0%, #285a99 48%, #1c4278 100%);
  box-shadow: 0 1px 2px rgba(10, 30, 60, .2), 0 18px 40px -14px rgba(20, 55, 105, .55), inset 0 1px 0 rgba(255, 255, 255, .45); }
/* 侧栏、顶栏同一种磨砂 */
.nav { background: linear-gradient(180deg, rgba(255, 255, 255, .5), rgba(255, 255, 255, .34)); border-right: 1px solid rgba(255, 255, 255, .7);
  -webkit-backdrop-filter: blur(28px) saturate(170%); backdrop-filter: blur(28px) saturate(170%); box-shadow: inset -1px 0 0 rgba(20, 60, 110, .08), 8px 0 30px -18px rgba(20, 60, 110, .25); }
.nav button.active { border: 1px solid rgba(255, 255, 255, .9); background: linear-gradient(180deg, rgba(255, 255, 255, .92), rgba(240, 248, 255, .82));
  box-shadow: inset 2px 0 0 #2f5d99, 0 1px 2px rgba(16, 48, 88, .06), 0 6px 14px -6px rgba(20, 60, 110, .25), inset 0 1px 0 #fff; }
.nav-account { background: linear-gradient(180deg, rgba(255, 255, 255, .86), rgba(240, 248, 255, .74)); border: 1px solid rgba(255, 255, 255, .9); box-shadow: 0 6px 16px -8px rgba(20, 60, 110, .3), inset 0 1px 0 #fff; }
.topbar { background: linear-gradient(180deg, rgba(255, 255, 255, .62), rgba(255, 255, 255, .46)); border-bottom: 1px solid rgba(255, 255, 255, .7);
  -webkit-backdrop-filter: blur(28px) saturate(170%); backdrop-filter: blur(28px) saturate(170%); box-shadow: 0 1px 0 rgba(20, 60, 110, .06), 0 8px 24px -16px rgba(20, 60, 110, .3); }
/* 次按钮：干净的白玻璃，细边 + 顶部高光 */
button, .button { border: 1px solid rgba(255, 255, 255, .9); border-radius: 11px; background-color: rgba(255, 255, 255, .7);
  background-image: linear-gradient(180deg, rgba(255, 255, 255, .95), rgba(236, 246, 253, .8));
  box-shadow: 0 1px 2px rgba(16, 48, 88, .08), 0 4px 10px -4px rgba(20, 60, 110, .2), inset 0 1px 0 #fff; }
button.primary, .button.primary { border: 1px solid rgba(255, 255, 255, .55); border-radius: 12px;
  background-image: linear-gradient(180deg, #4a80c2 0%, #2c5d9d 52%, #22497f 100%);
  box-shadow: 0 1px 2px rgba(10, 30, 60, .2), 0 8px 18px -8px rgba(22, 58, 108, .6), inset 0 1px 0 rgba(255, 255, 255, .45); }
button.primary::before, .button.primary::before { height: 46%; background: linear-gradient(180deg, rgba(255, 255, 255, .22), rgba(255, 255, 255, 0)); border-radius: 10px 10px 40% 40%; }
button.ghost, .button.ghost { background: transparent; background-image: none; border-color: transparent; box-shadow: none; }
.segmented, .tabs { background: rgba(255, 255, 255, .42); border: 1px solid rgba(255, 255, 255, .7); box-shadow: inset 0 1px 2px rgba(20, 60, 110, .08); }
.segmented button, .tabs button, .tabs a { background-image: none; box-shadow: none; border: 0; }
.segmented button.active, .tabs button.active, .tabs a.active { background: rgba(255, 255, 255, .95); box-shadow: 0 1px 2px rgba(16, 48, 88, .1), 0 4px 10px -4px rgba(20, 60, 110, .25); }
.segmented button.active { color: #183e66; }
input, select, textarea { background: rgba(255, 255, 255, .78); border: 1px solid rgba(30, 73, 126, .18); box-shadow: inset 0 1px 2px rgba(20, 60, 110, .06); }
.notice.info { background: rgba(255, 255, 255, .6); border: 1px solid rgba(255, 255, 255, .7); }
.feature .ico { background: linear-gradient(180deg, #ffffff, #e3f2fc); border: 1px solid rgba(255, 255, 255, .9); box-shadow: 0 4px 10px -4px rgba(20, 60, 110, .3), inset 0 1px 0 #fff; }

/* ===================================================================================================
   风格 v6：有方向感的光影（替代 v5 千篇一律的白板）。
   光从左上来：左上边缘最亮、右下边缘带一点反光、两侧几乎不可见；表面由左上的亮白过渡到中部的通透，
   左上一大片柔和镜面反光；内侧淡淡内发光 + 底部极细暗线表现厚度；阴影偏天空蓝、分接触阴影和环境阴影。
   =================================================================================================== */
:root {
  --rim: linear-gradient(140deg, rgba(255, 255, 255, .98) 0%, rgba(255, 255, 255, .55) 18%, rgba(255, 255, 255, .08) 42%, rgba(255, 255, 255, .06) 62%, rgba(214, 236, 252, .55) 86%, rgba(255, 255, 255, .85) 100%);
  --surface: radial-gradient(130% 90% at 0% 0%, rgba(255, 255, 255, .42) 0%, rgba(255, 255, 255, 0) 52%),
             linear-gradient(145deg, rgba(255, 255, 255, .64) 0%, rgba(246, 251, 255, .4) 48%, rgba(236, 246, 253, .5) 100%);
  --surface-solid: radial-gradient(130% 90% at 0% 0%, rgba(255, 255, 255, .5) 0%, rgba(255, 255, 255, 0) 55%),
                   linear-gradient(145deg, rgba(255, 255, 255, .9) 0%, rgba(248, 252, 255, .8) 50%, rgba(240, 248, 254, .84) 100%);
  --depth: inset 0 0 22px rgba(255, 255, 255, .22), inset 0 -1px 0 rgba(28, 72, 124, .1), inset 0 1px 0 rgba(255, 255, 255, .6);
  --cast: 0 1px 1px rgba(22, 64, 112, .06), 0 3px 8px -2px rgba(28, 80, 140, .1), 0 18px 40px -16px rgba(34, 92, 160, .32), 0 40px 80px -40px rgba(40, 100, 170, .28);
}
.card, .kpi, .tile, .feature, .price-card, .auth-main, .auth-side, .hero-inner, .partner-band, .payout-flow, .issue, .plan, .code-card, .privacy-strip > div, .mock {
  border: 1px solid transparent;
  background: var(--surface) padding-box, var(--rim) border-box;
  -webkit-backdrop-filter: blur(24px) saturate(180%) brightness(1.04); backdrop-filter: blur(24px) saturate(180%) brightness(1.04);
  box-shadow: var(--cast), var(--depth);
}
.card:has(table), .card:has(form), .drawer .card { background: var(--surface-solid) padding-box, var(--rim) border-box; }
.receipt { background: #fff; border: 1px solid #c8d0dc; box-shadow: none; }
/* 大卡片的反光更舒展一些 */
.hero-inner, .partner-band, .auth-side { background: radial-gradient(90% 70% at 0% 0%, rgba(255, 255, 255, .5) 0%, rgba(255, 255, 255, 0) 55%),
  radial-gradient(60% 50% at 100% 100%, rgba(214, 236, 252, .35) 0%, rgba(214, 236, 252, 0) 70%),
  linear-gradient(145deg, rgba(255, 255, 255, .6) 0%, rgba(246, 251, 255, .34) 50%, rgba(236, 246, 253, .46) 100%) padding-box, var(--rim) border-box; }
a.card:hover, .feature:hover, .price-card:hover { transform: translateY(-2px); transition: transform .25s ease, box-shadow .25s ease;
  box-shadow: 0 1px 1px rgba(22, 64, 112, .06), 0 6px 12px -4px rgba(28, 80, 140, .14), 0 26px 52px -18px rgba(34, 92, 160, .4), 0 50px 90px -40px rgba(40, 100, 170, .32), var(--depth); }
/* 会员卡：深蓝玻璃，同样的方向光 */
.member-card { border: 1px solid transparent;
  background: radial-gradient(120% 90% at 0% 0%, rgba(255, 255, 255, .22) 0%, rgba(255, 255, 255, 0) 50%), linear-gradient(150deg, #4479bb 0%, #2b5c9b 50%, #1d4279 100%) padding-box,
    linear-gradient(140deg, rgba(255, 255, 255, .85), rgba(255, 255, 255, .12) 40%, rgba(255, 255, 255, .04) 65%, rgba(160, 200, 240, .5)) border-box;
  box-shadow: 0 1px 1px rgba(10, 30, 60, .15), 0 18px 40px -16px rgba(20, 55, 105, .6), 0 40px 80px -40px rgba(20, 55, 105, .4), inset 0 1px 0 rgba(255, 255, 255, .35), inset 0 0 24px rgba(255, 255, 255, .08); }
/* 按钮同样的方向光 */
button, .button { border: 1px solid transparent;
  background: linear-gradient(180deg, rgba(255, 255, 255, .96), rgba(238, 247, 253, .82)) padding-box,
    linear-gradient(150deg, #fff 0%, rgba(255, 255, 255, .45) 45%, rgba(170, 205, 235, .6) 100%) border-box;
  box-shadow: 0 1px 1px rgba(22, 64, 112, .08), 0 6px 14px -6px rgba(30, 85, 150, .35), inset 0 1px 0 #fff; }
button.primary, .button.primary { border: 1px solid transparent;
  background: radial-gradient(120% 100% at 30% 0%, rgba(255, 255, 255, .28), rgba(255, 255, 255, 0) 55%), linear-gradient(180deg, #4b82c4 0%, #2d5f9f 55%, #234a80 100%) padding-box,
    linear-gradient(160deg, rgba(255, 255, 255, .85), rgba(255, 255, 255, .15) 50%, rgba(120, 170, 225, .5)) border-box;
  box-shadow: 0 1px 1px rgba(10, 30, 60, .2), 0 10px 22px -10px rgba(22, 58, 108, .75), inset 0 1px 0 rgba(255, 255, 255, .35); }
button.primary::before, .button.primary::before { display: none; }
button.ghost, .button.ghost { background: transparent; border-color: transparent; box-shadow: none; }
button.danger.solid { background: linear-gradient(180deg, #d4645d, #a8372f) padding-box, linear-gradient(160deg, rgba(255, 255, 255, .7), rgba(255, 255, 255, .1)) border-box; }
.segmented button, .tabs button, .tabs a { background: transparent; border: 0; box-shadow: none; }
.segmented button.active, .tabs button.active, .tabs a.active { background: linear-gradient(180deg, #fff, rgba(240, 248, 255, .9)); box-shadow: 0 1px 1px rgba(22, 64, 112, .08), 0 6px 12px -6px rgba(30, 85, 150, .35), inset 0 1px 0 #fff; }
.nav button, .nav a { background: transparent; border: 1px solid transparent; box-shadow: none; }
.nav button.active { border: 1px solid transparent;
  background: radial-gradient(100% 120% at 0% 0%, rgba(255, 255, 255, .6), rgba(255, 255, 255, 0) 60%), linear-gradient(180deg, rgba(255, 255, 255, .9), rgba(238, 247, 253, .78)) padding-box,
    linear-gradient(150deg, #fff, rgba(255, 255, 255, .3) 50%, rgba(180, 212, 240, .6)) border-box;
  box-shadow: inset 2px 0 0 #2f5d99, 0 1px 1px rgba(22, 64, 112, .06), 0 8px 18px -10px rgba(30, 85, 150, .45); }
.nav-account { border: 1px solid transparent; background: linear-gradient(180deg, rgba(255, 255, 255, .88), rgba(238, 247, 253, .74)) padding-box, var(--rim) border-box; box-shadow: var(--cast), var(--depth); }

/* ===================================================================================================
   v7：高级感的细节——统一线性图标、更克制的排版层级、新版首页版块（留学生的一天、常见问题、收尾行动区）
   =================================================================================================== */
svg.ico, svg.ico-svg { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.nav button, .nav a { display: flex; align-items: center; gap: 10px; }
.nav button svg.ico, .nav a svg.ico { opacity: .72; }
.nav button.active svg.ico { opacity: 1; color: #2f5d99; }
.mobile-tabs .ico { display: grid; place-items: center; }
.mobile-tabs svg.ico-svg { width: 21px; height: 21px; }
[data-icon] svg { width: 100%; height: 100%; }
.button [data-icon] { width: 17px; height: 17px; display: inline-flex; margin-right: 7px; vertical-align: -3px; }
.feature .ico { color: #2c5d96; }
.feature .ico svg { width: 22px; height: 22px; }

/* 排版：标题更紧、字距更讲究，正文更透气 */
.hero h1 { font-size: 52px; line-height: 1.12; letter-spacing: -.02em; font-weight: 700; }
.hero h1 em { background: linear-gradient(100deg, #2f6fb8 0%, #3aa6d8 55%, #2fb98c 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lead { font-size: 17px; line-height: 1.75; }
.eyebrow { font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: #3a78b8; }
.section-head h2 { font-size: 32px; letter-spacing: -.01em; line-height: 1.25; color: var(--title); }
.section-head p { line-height: 1.75; }
.home-section { padding: 88px 24px; }
.home-section.alt { background: rgba(255, 255, 255, .28); border-color: rgba(255, 255, 255, .5); }
.home-top nav a { color: var(--muted); }
.home-top nav a:hover { color: var(--title); background: rgba(255, 255, 255, .5); }
.mock-bar { align-items: center; }
.mock-bar span { margin-left: 8px; font-size: 11px; color: #5d7ea3; letter-spacing: .02em; }
.mock-doc .pick { font-family: Georgia, "Times New Roman", serif; font-size: 14px; }

/* 留学生的一天 */
.day-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.moment { position: relative; padding: 22px 22px 20px; border-radius: 18px; display: grid; gap: 6px; align-content: start;
  border: 1px solid transparent; background: var(--surface) padding-box, var(--rim) border-box; box-shadow: var(--cast), var(--depth);
  -webkit-backdrop-filter: blur(24px) saturate(180%); backdrop-filter: blur(24px) saturate(180%); }
.moment .time { font-family: "Segoe UI", system-ui, sans-serif; font-variant-numeric: tabular-nums; font-size: 13px; font-weight: 600; color: #3a78b8; letter-spacing: .06em; }
.moment h3 { font-size: 17px; color: var(--title); }
.moment p { color: var(--muted); font-size: 13.5px; }
.moment q { quotes: none; margin-top: 6px; padding: 10px 12px; border-radius: 12px; font-size: 14px; color: #1f3f66; line-height: 1.55;
  background: linear-gradient(180deg, rgba(255, 255, 255, .92), rgba(240, 248, 254, .82)); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .9), 0 4px 12px -6px rgba(30, 85, 150, .3); position: relative; padding-left: 30px; }
.moment q::before { content: ""; position: absolute; left: 12px; top: 13px; width: 10px; height: 10px; border: 1.6px dashed #2fa77a; border-radius: 2px; }

/* 隐私条带图标 */
.privacy-strip > div { padding: 22px; gap: 8px; }
.privacy-strip .ico { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; color: #2c5d96;
  background: linear-gradient(180deg, #fff, #e3f2fc); box-shadow: 0 4px 10px -4px rgba(20, 60, 110, .3), inset 0 1px 0 #fff; }
.privacy-strip .ico svg { width: 18px; height: 18px; }
.privacy-strip a { font-size: 13px; }

/* 价格：每天折算 */
.price-card .per-day { margin-top: -6px; color: var(--muted); font-size: 13px; }
.price-card .per-day b { color: #2c8a64; font-weight: 600; }
.price-card .amount { letter-spacing: -.02em; color: var(--title); }

/* 常见问题 */
.section-inner.narrow { max-width: 760px; }
.faq { display: grid; gap: 10px; }
.faq details { border-radius: 16px; border: 1px solid transparent; background: var(--surface-solid) padding-box, var(--rim) border-box; box-shadow: var(--cast), var(--depth); padding: 0 20px; }
.faq summary { cursor: pointer; list-style: none; padding: 17px 0; font-weight: 600; color: var(--title); display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; width: 8px; height: 8px; border-right: 1.7px solid #5d7ea3; border-bottom: 1.7px solid #5d7ea3; transform: rotate(45deg) translateY(-3px); transition: transform .2s ease; }
.faq details[open] summary::after { transform: rotate(225deg) translateY(-1px); }
.faq details p { color: var(--muted); padding: 0 0 18px; line-height: 1.75; font-size: 14.5px; }

/* 收尾行动区 */
.cta-band { text-align: center; padding: 56px 32px; border-radius: 28px; display: grid; gap: 16px; justify-items: center; color: #fff;
  background: radial-gradient(80% 120% at 0% 0%, rgba(255, 255, 255, .22), rgba(255, 255, 255, 0) 55%), linear-gradient(150deg, #4479bb 0%, #2b5c9b 50%, #1d4279 100%) padding-box,
    linear-gradient(140deg, rgba(255, 255, 255, .85), rgba(255, 255, 255, .12) 40%, rgba(255, 255, 255, .04) 65%, rgba(160, 200, 240, .5)) border-box;
  border: 1px solid transparent; box-shadow: 0 18px 40px -16px rgba(20, 55, 105, .6), 0 40px 80px -40px rgba(20, 55, 105, .4), inset 0 1px 0 rgba(255, 255, 255, .35); }
.cta-band h2 { font-size: 34px; line-height: 1.3; letter-spacing: -.01em; color: #fff; }
.cta-band p { opacity: .86; max-width: 560px; line-height: 1.75; }
.cta-band .button.primary { background: linear-gradient(#fff, #fff) padding-box, linear-gradient(#fff, #fff) border-box; color: #1f4a80; }
.cta-band .muted, .cta-band .mono { color: rgba(255, 255, 255, .8); }

/* 后台与用户中心：数字更有分量，表格更安静 */
.kpi { padding: 16px 18px 15px; border-radius: 18px; }
.kpi .label { font-size: 12px; letter-spacing: .04em; }
.kpi .value { font-family: "Segoe UI", "Microsoft YaHei UI", system-ui, sans-serif; font-size: 28px; font-weight: 600; letter-spacing: -.02em; color: var(--title); margin-top: 4px; }
th { font-size: 11.5px; letter-spacing: .06em; color: #6a83a0; font-weight: 600; border-bottom-color: rgba(120, 160, 205, .3); }
td { border-bottom-color: rgba(120, 160, 205, .16); }
tbody tr { transition: background .15s ease; }
tbody tr:hover td { background: rgba(255, 255, 255, .5); }
.nav .group { font-size: 11px; letter-spacing: .14em; color: #7d93ad; font-weight: 600; padding-top: 18px; }

@media (max-width: 860px) {
  .hero h1 { font-size: 36px; }
  .section-head h2 { font-size: 25px; }
  .home-section { padding: 52px 16px; }
  .day-grid { grid-template-columns: minmax(0, 1fr); }
  .cta-band { padding: 40px 20px; }
  .cta-band h2 { font-size: 26px; }
}
.share-text { padding: 12px 14px; border-radius: 12px; font-size: 14px; line-height: 1.7; color: #24456c; word-break: break-all;
  background: linear-gradient(180deg, rgba(255, 255, 255, .92), rgba(240, 248, 254, .82)); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .9), 0 4px 12px -6px rgba(30, 85, 150, .3); }
/* 渐变字不能叠文字阴影（透明字会把阴影透出来发紫发灰），改用很淡的投影 */
.hero h1 em { text-shadow: none; filter: drop-shadow(0 2px 6px rgba(40, 120, 190, .18)); }
@media (max-width: 560px) { .mock-body { grid-template-columns: minmax(0, 1fr); } .hero .actions .button { flex: 1; justify-content: center; } }

/* v7.1：首屏图表演示、“以前 / 现在”对比 */
.chart-pick { display: grid; gap: 8px; font-family: inherit !important; }
.chart-pick .cap { font-size: 11px; color: #5d7ea3; letter-spacing: .02em; }
.chart-pick .bars { display: flex; align-items: flex-end; gap: 10px; height: 78px; padding: 0 4px; border-bottom: 1px solid #d5dfeb; }
.chart-pick .bars i { flex: 1; border-radius: 4px 4px 0 0; background: linear-gradient(180deg, #6aa6dc, #3a72b4); }
.chart-pick .bars i:nth-child(4) { background: linear-gradient(180deg, #4fd0a0, #2a9d74); }
.compare { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; max-width: 900px; margin: 0 auto; }
.compare-col { padding: 26px 28px; border-radius: 20px; display: grid; gap: 12px; align-content: start; }
.compare-col h3 { font-size: 18px; }
.compare-col ol { margin: 0; padding-left: 20px; display: grid; gap: 9px; font-size: 15px; }
.compare-col.before { border: 1px solid rgba(120, 160, 205, .3); background: rgba(255, 255, 255, .32); color: #6a7f97; }
.compare-col.before h3 { color: #6a7f97; }
.compare-col.before li { text-decoration: line-through; text-decoration-color: rgba(106, 127, 151, .45); }
.compare-col.after { color: #fff; border: 1px solid transparent;
  background: radial-gradient(100% 90% at 0% 0%, rgba(255, 255, 255, .22), rgba(255, 255, 255, 0) 55%), linear-gradient(150deg, #4479bb 0%, #2b5c9b 50%, #1d4279 100%) padding-box,
    linear-gradient(140deg, rgba(255, 255, 255, .85), rgba(255, 255, 255, .12) 40%, rgba(160, 200, 240, .5)) border-box;
  box-shadow: 0 18px 40px -16px rgba(20, 55, 105, .6), inset 0 1px 0 rgba(255, 255, 255, .35); }
.compare-col.after h3 { color: #fff; }
.compare-col.after ol { font-size: 20px; font-weight: 600; list-style: none; padding: 0; }
.compare-col.after p { opacity: .85; line-height: 1.7; }
@media (max-width: 860px) { .compare { grid-template-columns: minmax(0, 1fr); } }
.partner-flow { display: flex; flex-wrap: wrap; gap: 6px 18px; color: var(--muted); }
.partner-flow span { white-space: nowrap; }