/* 拾光官网 · 仪表纸感（与 App 共用一套 token，见 SweepPalette.swift） */
:root {
  --paper: #F3F0E9; --card: #FFFFFF; --ink: #1C1A16; --ink2: #6E6A61; --ink3: #A7A196;
  --hair: rgba(28, 26, 22, 0.09); --fill: rgba(28, 26, 22, 0.14);
  --acc: #DD5A24; --on-acc: #fff;
  --ok: #4A7D53; --warn: #B07C22; --bad: #B1402F;
  --sh0: 0 1px 2px rgba(43, 36, 26, 0.06);
  --sh1: 0 1px 2px rgba(43, 36, 26, 0.05), 0 14px 30px -12px rgba(43, 36, 26, 0.16);
  --deco-line: rgba(28, 26, 22, 0.07);
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #1D1B18; --card: #262320; --ink: #F2EEE6; --ink2: #A29C91; --ink3: #726D64;
    --hair: rgba(242, 238, 230, 0.12); --fill: rgba(242, 238, 230, 0.16);
    --acc: #E27143;
    --ok: #7BB088; --warn: #D6A44E; --bad: #E0806B;
    --sh0: 0 1px 2px rgba(0, 0, 0, 0.4);
    --sh1: 0 1px 2px rgba(0, 0, 0, 0.4), 0 14px 30px -12px rgba(0, 0, 0, 0.6);
    --deco-line: rgba(242, 238, 230, 0.08);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: 'IBM Plex Sans', 'PingFang SC', 'Hiragino Sans GB', 'Noto Sans SC', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased; line-height: 1.75; font-size: 15px;
}
.wrap { max-width: 920px; margin: 0 auto; padding: 0 26px; }
a { color: var(--acc); text-decoration: none; }
a:hover { opacity: 0.75; }

.kicker {
  font-family: 'IBM Plex Mono', ui-monospace, monospace; font-size: 10px; font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink3); white-space: nowrap;
}
.kicker.acc { color: var(--acc); }
.kicker.ok { color: var(--ok); }

nav { display: flex; align-items: center; gap: 18px; padding: 22px 0; }
nav .brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 15px; color: var(--ink); }
nav .brand img { width: 28px; height: 28px; border-radius: 7px; }
nav .links { margin-left: auto; display: flex; gap: 18px; font-size: 13.5px; }
nav .links a { color: var(--ink2); }

.hero { padding: 64px 0 40px; }
.hero h1 {
  font-size: clamp(34px, 6vw, 52px); font-weight: 500; letter-spacing: -0.02em;
  line-height: 1.2; margin: 14px 0 0; text-wrap: balance;
}
.hero .big { font-weight: 200; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.hero p.lede { color: var(--ink2); max-width: 60ch; margin: 18px 0 0; font-size: 16px; }
.cta-row { display: flex; align-items: center; gap: 16px; margin-top: 30px; flex-wrap: wrap; }
.btn-acc {
  display: inline-block; background: var(--acc); color: var(--on-acc); font-weight: 500;
  font-size: 15px; padding: 14px 30px; border-radius: 999px;
}
.btn-acc:hover { opacity: 0.9; }
.cta-row .sub { font-size: 13px; color: var(--ink3); }

.deco {
  height: 40px; border-radius: 12px; margin: 44px 0;
  background-image: repeating-linear-gradient(66deg, var(--deco-line) 0 1px, transparent 1px 8px);
}

section { padding: 36px 0; }
.sec-head h2 { font-size: 22px; font-weight: 500; margin: 10px 0 6px; letter-spacing: -0.01em; }
.sec-head p { color: var(--ink2); margin: 0; max-width: 66ch; }

.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 26px; }
@media (max-width: 760px) { .grid3 { grid-template-columns: 1fr; } }
.card {
  background: var(--card); border-radius: 22px; box-shadow: var(--sh1); padding: 24px 26px;
}
.card h3 { font-size: 15.5px; font-weight: 500; margin: 10px 0 6px; }
.card p { font-size: 13.5px; color: var(--ink2); margin: 0; }
.card .num {
  font-family: 'IBM Plex Mono', ui-monospace, monospace; font-size: 11px; color: var(--acc);
  letter-spacing: 0.14em;
}

.state { border-radius: 22px; background: var(--card); padding: 22px 26px; }
.state.ok { box-shadow: inset 0 0 0 1.5px var(--ok); }
.state h3 { margin: 8px 0 6px; font-size: 15.5px; font-weight: 500; }
.state p { color: var(--ink2); font-size: 13.5px; margin: 0; }

.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 26px; }
@media (max-width: 760px) { .price-grid { grid-template-columns: 1fr; } }
.price { background: var(--card); border-radius: 22px; box-shadow: var(--sh0); padding: 24px 26px; position: relative; }
.price.pick { box-shadow: var(--sh1), inset 0 0 0 1.5px var(--acc); }
.price .amount { font-size: 40px; font-weight: 200; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; line-height: 1; margin-top: 12px; }
.price .per { font-size: 13px; color: var(--ink2); font-weight: 400; }
.price ul { margin: 16px 0 0; padding: 0; list-style: none; font-size: 13px; color: var(--ink2); }
.price li { padding: 6px 0; border-top: 1px solid var(--hair); }
.pick-badge {
  position: absolute; top: -11px; left: 24px; background: var(--acc); color: var(--on-acc);
  font-family: 'IBM Plex Mono', ui-monospace, monospace; font-size: 9.5px; letter-spacing: 0.14em;
  text-transform: uppercase; padding: 3px 10px; border-radius: 999px;
}
.price-note { font-size: 12.5px; color: var(--ink3); margin-top: 14px; }

.faq { margin-top: 20px; }
.faq details { border-bottom: 1px solid var(--hair); padding: 4px 0; }
.faq summary { cursor: pointer; font-weight: 500; font-size: 14.5px; padding: 12px 0; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: '›'; color: var(--acc); margin-right: 10px; display: inline-block; transition: transform 0.15s ease; }
.faq details[open] summary::before { transform: rotate(90deg); }
.faq details p { color: var(--ink2); font-size: 13.5px; margin: 0 0 14px 20px; max-width: 68ch; }

footer { border-top: 1px solid var(--hair); margin-top: 48px; padding: 30px 0 60px; font-size: 13px; color: var(--ink3); }
footer .links { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 12px; }
footer .links a { color: var(--ink2); }

/* 法务页 */
.doc { max-width: 760px; margin: 0 auto; padding: 20px 26px 80px; }
.doc h1 { font-size: 28px; font-weight: 500; letter-spacing: -0.015em; margin: 24px 0 4px; }
.doc .meta { color: var(--ink3); font-size: 13px; margin-bottom: 28px; }
.doc h2 { font-size: 17px; font-weight: 500; margin: 34px 0 8px; }
.doc p, .doc li { color: var(--ink2); font-size: 14.5px; max-width: 70ch; }
.doc ul { padding-left: 22px; }
.doc .card { margin: 20px 0; }

/* v2 · 完整功能版新增 */
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 40px; align-items: center; }
@media (max-width: 820px) { .hero-grid { grid-template-columns: 1fr; } .hero-grid .shot { max-width: 300px; margin: 30px auto 0; } }
.shot { border-radius: 30px; overflow: hidden; box-shadow: var(--sh1); border: 1px solid var(--hair); }
.shot img { display: block; width: 100%; height: auto; }
.shot-cap {
  text-align: center; font-size: 12px; color: var(--ink3); margin-top: 10px;
}
.step-card .shot { margin-top: 16px; border-radius: 18px; }

.flist { margin-top: 22px; }
.frow { display: flex; gap: 18px; padding: 15px 0; border-bottom: 1px solid var(--hair); }
.frow:last-child { border-bottom: 0; }
.frow .fk {
  flex-shrink: 0; width: 118px;
  font-family: 'IBM Plex Mono', ui-monospace, monospace; font-size: 10px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--acc); padding-top: 4px;
}
.frow .ft { font-weight: 500; font-size: 14.5px; }
.frow p { margin: 3px 0 0; color: var(--ink2); font-size: 13.5px; max-width: 62ch; }

.split2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 26px; }
@media (max-width: 760px) { .split2 { grid-template-columns: 1fr; } }

.checklist { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 28px; margin: 22px 0 0; padding: 0; list-style: none; }
@media (max-width: 640px) { .checklist { grid-template-columns: 1fr; } }
.checklist li { font-size: 13.5px; color: var(--ink2); padding: 7px 0; border-bottom: 1px solid var(--hair); }
.checklist li::before { content: '✓'; color: var(--ok); margin-right: 10px; font-weight: 600; }