/* 干了么 DoneYet — 官网样式。令牌与 App 的 AIQuestTheme 对齐：
   主色 #EC3013（深色模式 #FF5236）、深主色 #AE1800、主色底 #FFF2EF、
   卡片圆角 18、紧凑圆角 12、胶囊 999、系统字体。 */
:root {
  --accent: #EC3013;
  --accent-deep: #AE1800;
  --accent-wash: #FFF2EF;
  --on-accent: #FFFFFF;
  --canvas: #F2F2F7;
  --surface: #FFFFFF;
  --ink: #111114;
  --ink-2: rgba(60, 60, 67, 0.62);
  --ink-3: rgba(60, 60, 67, 0.36);
  --hairline: rgba(0, 0, 0, 0.06);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  --radius-card: 18px;
  --radius-compact: 12px;
  --radius-pill: 999px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Hiragino Sans GB",
    "Noto Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --max: 1080px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --accent: #FF5236;
    --accent-deep: #FF8570;
    --accent-wash: #2E1512;
    --canvas: #000000;
    --surface: #1C1C1E;
    --ink: #F2F2F7;
    --ink-2: rgba(235, 235, 245, 0.62);
    --ink-3: rgba(235, 235, 245, 0.36);
    --hairline: rgba(255, 255, 255, 0.08);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--canvas); line-height: 1.55; font-size: 17px; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: var(--radius-pill); font-weight: 600; font-size: 15px; line-height: 1; background: var(--surface); color: var(--ink); border: 1px solid var(--hairline); }
.pill.accent { background: var(--accent); color: var(--on-accent); border-color: transparent; }
.pill.wash { background: var(--accent-wash); color: var(--accent-deep); border-color: transparent; }
.pill .dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; opacity: .9; }
.pill.accent .dot { animation: breathe 1.8s ease-in-out infinite; }
@keyframes breathe { 0%, 100% { transform: scale(1); opacity: .9 } 50% { transform: scale(1.5); opacity: .5 } }

/* 顶栏 */
.nav { position: sticky; top: 0; z-index: 10; backdrop-filter: saturate(180%) blur(16px); -webkit-backdrop-filter: saturate(180%) blur(16px); background: color-mix(in srgb, var(--canvas) 78%, transparent); border-bottom: 1px solid var(--hairline); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 18px; letter-spacing: .2px; }
.brand img { width: 36px; height: 36px; border-radius: 9px; }
.brand small { font-weight: 500; color: var(--ink-2); margin-left: 4px; }
.nav-links { display: flex; align-items: center; gap: 22px; font-size: 15px; color: var(--ink-2); font-weight: 500; }
.nav-links a:hover { color: var(--ink); }
@media (max-width: 720px) { .nav-links .link { display: none; } }

/* 首屏 */
.hero { padding: 72px 0 40px; }
.hero .wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
@media (max-width: 900px) { .hero .wrap { grid-template-columns: 1fr; gap: 40px; } .hero { padding-top: 48px; } }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; color: var(--accent); font-weight: 700; font-size: 15px; letter-spacing: .04em; }
.eyebrow::before { content: ""; width: 22px; height: 3px; border-radius: 3px; background: var(--accent); }
h1 { font-size: clamp(38px, 6vw, 64px); line-height: 1.12; letter-spacing: -0.02em; margin: 18px 0 14px; font-weight: 800; }
h1 .accent { color: var(--accent); }
.lede { font-size: clamp(18px, 2.2vw, 22px); color: var(--ink-2); margin: 0 0 28px; max-width: 34em; }
.lede strong { color: var(--ink); font-weight: 600; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.cta .pill { padding: 14px 22px; font-size: 16px; }
.hero-meta { margin-top: 22px; color: var(--ink-3); font-size: 14px; }

/* 手机样机 */
.phone-wrap { display: flex; justify-content: center; }
.phone { width: 330px; height: 690px; border-radius: 54px; padding: 12px; background: #0B0B0C; box-shadow: var(--shadow), inset 0 0 0 2px rgba(255,255,255,.08); position: relative; flex: none; }
.phone .screen { width: 100%; height: 100%; border-radius: 44px; background: #F2F2F7; overflow: hidden; position: relative; color: #111114; }
@media (prefers-color-scheme: dark) { .phone .screen { background: #000; color: #F2F2F7; } }
.phone .island { position: absolute; top: 12px; left: 50%; transform: translateX(-50%); width: 110px; height: 32px; border-radius: 20px; background: #0B0B0C; z-index: 3; }
.phone .status { display: flex; justify-content: space-between; align-items: center; padding: 18px 26px 0; font-size: 14px; font-weight: 600; }
.phone .status svg { width: 58px; height: 12px; }
.screen-body { padding: 22px 18px 0; font-size: 13px; }
.s-title { display: flex; align-items: baseline; justify-content: space-between; }
.s-title h4 { margin: 0; font-size: 34px; font-weight: 800; letter-spacing: -0.02em; line-height: 1; }
.s-title .date { color: var(--accent); font-weight: 700; font-size: 13px; }
.s-sub { color: var(--ink-2); margin: 8px 0 14px; font-size: 14px; }
.tl { position: relative; padding-left: 70px; padding-bottom: 120px; }
.tl::before { content: ""; position: absolute; left: 40px; top: 6px; bottom: 120px; width: 2px; background: rgba(0,0,0,.1); }
@media (prefers-color-scheme: dark) { .tl::before { background: rgba(255,255,255,.14); } }
.tl-day { position: relative; color: var(--ink-2); font-weight: 600; font-size: 12px; margin: 6px 0 8px; display: flex; justify-content: space-between; }
.tl-day::before { content: ""; position: absolute; left: -35px; top: 3px; width: 10px; height: 10px; border-radius: 50%; border: 1.5px dashed var(--ink-3); }
.tl-day.today span:first-child { background: var(--accent); color: #fff; padding: 4px 10px; border-radius: 999px; font-weight: 700; }
.tl-day.today::before { border: none; background: var(--accent); top: 5px; }
.tl-day .warn { color: var(--accent-deep); }
.tl-item { position: relative; background: var(--surface); border-radius: 16px; padding: 12px 12px 12px 14px; margin: 0 0 10px; display: flex; align-items: center; justify-content: space-between; gap: 10px; box-shadow: 0 1px 0 var(--hairline); }
.tl-item .time { position: absolute; left: -70px; top: 13px; width: 26px; text-align: right; font-size: 11px; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.tl-item .node { position: absolute; left: -35px; top: 15px; width: 10px; height: 10px; border-radius: 50%; background: var(--surface); border: 1.5px solid var(--ink-3); }
.tl-item .t { font-weight: 700; font-size: 15px; line-height: 1.25; }
.tl-item .m { color: var(--ink-2); font-size: 12px; margin-top: 4px; display: flex; gap: 6px; align-items: center; }
.tag { background: var(--accent-deep); color: #fff; font-size: 10px; font-weight: 700; padding: 2px 6px; border-radius: 999px; }
.tag.soft { background: var(--accent-wash); color: var(--accent-deep); }
.circle { width: 26px; height: 26px; border-radius: 50%; border: 2px solid var(--ink-3); flex: none; }
.circle.done { background: var(--accent); border-color: var(--accent); position: relative; }
.circle.done::after { content: ""; position: absolute; left: 8px; top: 4px; width: 6px; height: 11px; border: solid #fff; border-width: 0 2.5px 2.5px 0; transform: rotate(45deg); }
.now { position: relative; height: 18px; margin: 4px 0 10px; }
.now::before { content: ""; position: absolute; left: -30px; right: 0; top: 9px; height: 2px; background: var(--accent); }
.now::after { content: ""; position: absolute; right: -2px; top: 6px; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.now span { position: absolute; left: -70px; top: 0; background: var(--accent); color: #fff; font-size: 11px; font-weight: 700; padding: 2px 7px; border-radius: 999px; font-variant-numeric: tabular-nums; }
.fab { position: absolute; right: 18px; bottom: 96px; width: 58px; height: 58px; border-radius: 50%; background: var(--accent); box-shadow: 0 8px 20px rgba(236,48,19,.35); display: grid; place-items: center; }
.fab svg { width: 26px; height: 26px; }
.fab.plus { right: 88px; background: var(--surface); box-shadow: 0 6px 16px rgba(0,0,0,.12); color: var(--accent); font-size: 30px; font-weight: 300; }
.dock { position: absolute; left: 50%; transform: translateX(-50%); bottom: 22px; width: 250px; height: 62px; border-radius: 999px; background: var(--surface); box-shadow: 0 6px 18px rgba(0,0,0,.10); display: flex; align-items: center; justify-content: space-around; padding: 0 10px; font-size: 10px; font-weight: 600; color: var(--ink-2); }
.dock .item { display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 6px 12px; border-radius: 999px; }
.dock .item.on { background: var(--canvas); color: var(--accent); }
.dock svg { width: 20px; height: 20px; }

/* 录入页样机（第二屏） */
.sheet { padding: 22px 18px; }
.sheet .hd { display: flex; justify-content: space-between; align-items: center; font-weight: 700; font-size: 15px; }
.sheet .hd .close { background: var(--surface); padding: 6px 14px; border-radius: 999px; font-weight: 600; font-size: 13px; }
.sheet .spark { width: 64px; height: 64px; border-radius: 50%; background: var(--accent-wash); margin: 28px auto 12px; display: grid; place-items: center; color: var(--accent); }
.sheet .spark svg { width: 30px; height: 30px; }
.sheet h5 { text-align: center; margin: 0; font-size: 20px; font-weight: 800; }
.sheet .hint { text-align: center; color: var(--ink-2); font-size: 12px; margin: 6px 0 14px; }
.sheet .chip { background: var(--surface); border-radius: 999px; padding: 8px 14px; font-size: 12px; text-align: center; margin: 8px auto; width: fit-content; max-width: 100%; }
.sheet .box { background: var(--surface); border-radius: 22px; padding: 16px; margin-top: 16px; min-height: 130px; position: relative; font-size: 15px; line-height: 1.5; }
.sheet .box .mic { position: absolute; right: 14px; bottom: 14px; width: 48px; height: 48px; border-radius: 50%; background: var(--accent); display: grid; place-items: center; box-shadow: 0 6px 14px rgba(236,48,19,.35); }
.sheet .box .mic svg { width: 22px; height: 22px; }
.sheet .btn { margin-top: 16px; background: var(--accent); color: #fff; text-align: center; border-radius: 999px; padding: 14px; font-weight: 700; font-size: 15px; }
.sheet .btn.ghost { background: var(--surface); color: var(--ink); margin-top: 10px; }

/* 三步 */
.steps { padding: 40px 0 10px; }
.steps .grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 720px) { .steps .grid { grid-template-columns: 1fr; } }
.step { background: var(--surface); border-radius: var(--radius-card); padding: 22px 22px 20px; border: 1px solid var(--hairline); }
.step .n { color: var(--accent); font-weight: 800; font-size: 13px; letter-spacing: .08em; }
.step h3 { margin: 8px 0 6px; font-size: 22px; }
.step p { margin: 0; color: var(--ink-2); font-size: 15px; }

/* 功能 */
.section { padding: 64px 0; }
.section h2 { font-size: clamp(28px, 4vw, 40px); letter-spacing: -0.02em; margin: 0 0 10px; line-height: 1.15; }
.section .sub { color: var(--ink-2); font-size: 18px; margin: 0 0 32px; max-width: 40em; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 900px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .features { grid-template-columns: 1fr; } }
.feature { background: var(--surface); border-radius: var(--radius-card); padding: 22px; border: 1px solid var(--hairline); }
.feature .ic { width: 44px; height: 44px; border-radius: 12px; background: var(--accent-wash); color: var(--accent); display: grid; place-items: center; margin-bottom: 14px; }
.feature .ic svg { width: 24px; height: 24px; }
.feature h3 { margin: 0 0 6px; font-size: 19px; }
.feature p { margin: 0; color: var(--ink-2); font-size: 15px; }
.feature .ex { margin-top: 12px; background: var(--canvas); border-radius: var(--radius-compact); padding: 10px 12px; font-size: 14px; color: var(--ink); }
.feature .ex::before { content: "“"; color: var(--accent); font-weight: 800; }
.feature .ex::after { content: "”"; color: var(--accent); font-weight: 800; }

/* 边界/隐私 */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }
.list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.list li { background: var(--surface); border-radius: var(--radius-card); padding: 16px 18px; border: 1px solid var(--hairline); display: flex; gap: 14px; align-items: flex-start; font-size: 15px; }
.list li .k { flex: none; width: 28px; height: 28px; border-radius: 50%; background: var(--accent); color: #fff; display: grid; place-items: center; }
.list li .k svg { width: 16px; height: 16px; }
.list li b { display: block; margin-bottom: 2px; font-size: 16px; }
.list li span { color: var(--ink-2); }
.quote { background: var(--accent-wash); border-radius: var(--radius-card); padding: 26px 28px; color: var(--accent-deep); font-size: 18px; line-height: 1.6; }
.quote b { display: block; font-size: 14px; letter-spacing: .06em; margin-bottom: 8px; opacity: .8; }

/* 即将上线 */
.soon { padding: 40px 0 80px; }
.soon .card { background: #111114; color: #F2F2F7; border-radius: 28px; padding: 56px 32px; text-align: center; position: relative; overflow: hidden; }
@media (prefers-color-scheme: dark) { .soon .card { background: var(--surface); } }
.soon .card::before { content: ""; position: absolute; top: -160px; right: -120px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(closest-side, rgba(236,48,19,.55), transparent 70%); pointer-events: none; }
.soon img { width: 84px; height: 84px; border-radius: 20px; margin: 0 auto 18px; box-shadow: 0 10px 30px rgba(0,0,0,.35); }
.soon h2 { font-size: clamp(30px, 5vw, 48px); margin: 0 0 8px; letter-spacing: -0.02em; }
.soon .en { font-size: 14px; letter-spacing: .28em; text-transform: uppercase; opacity: .7; margin-bottom: 18px; }
.soon p { margin: 0 auto; max-width: 32em; opacity: .85; font-size: 17px; }
.soon .req { margin-top: 26px; display: inline-flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.soon .req .pill { background: rgba(255,255,255,.1); color: inherit; border-color: rgba(255,255,255,.15); }

footer { border-top: 1px solid var(--hairline); padding: 28px 0 44px; color: var(--ink-2); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; justify-content: space-between; }
footer a:hover { color: var(--ink); }

/* 隐私页 */
.doc { max-width: 760px; margin: 0 auto; padding: 48px 20px 80px; }
.doc h1 { font-size: 36px; margin-bottom: 6px; }
.doc .meta { color: var(--ink-3); font-size: 14px; margin-bottom: 28px; }
.doc h2 { font-size: 22px; margin: 32px 0 8px; }
.doc p, .doc li { color: var(--ink-2); font-size: 16px; }
.doc li { margin-bottom: 6px; }
.doc strong { color: var(--ink); }