/* 曲水流觞 · 官网 — 对齐宇播 / 小宇助理（青云 teal · navy · mist） */
:root {
  --bg: #ffffff;
  --muted: #f4f8f7;
  --teal: #2f9ede;
  --teal-dark: #1f80c4;
  --teal-soft: #e6f3fd;
  --navy: #245f8f;
  --ink: #2f4650;
  --steel: #5285ad;
  --text: #586a71;
  --tmuted: #93a3a8;
  --border: #e4ecec;
  --footer-bg: #33383d;
  --serif: "Microsoft YaHei", "微软雅黑", -apple-system, "PingFang SC", sans-serif;
  --sans: "Microsoft YaHei", "微软雅黑", -apple-system, BlinkMacSystemFont, "PingFang SC", "Segoe UI", sans-serif;
  --wrap: 1180px;
  --shadow: 0 1px 4px rgb(29 92 134 / 0.05);
  --shadow-md: 0 8px 28px rgb(29 92 134 / 0.08);
  --radius-md: 10px;
  --radius-lg: 16px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
/* 顶部阅读进度条（对齐 hive-ops / spec-factory） */
body.planet-home::after {
  content: "";
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 3px;
  z-index: 999;
  background: linear-gradient(90deg, rgba(47, 158, 222, 0.16) 0%, rgba(98, 198, 245, 0.16) 45%, rgba(59, 130, 246, 0.16) 100%);
  pointer-events: none;
}
body.planet-home::before {
  content: "";
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 3px;
  z-index: 1000;
  background: linear-gradient(90deg, #2f9ede 0%, #62c6f5 45%, #3b82f6 100%);
  transform: scaleX(var(--scroll-progress, 0));
  transform-origin: left center;
  will-change: transform;
  pointer-events: none;
}
body.planet-home {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }

/* ── Nav ── */
.planet-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.planet-nav .nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 28px;
}
.planet-nav .brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.planet-nav .brand-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--teal-soft);
  display: grid;
  place-items: center;
}
.planet-nav .brand-icon svg {
  width: 22px;
  height: 22px;
}
.planet-nav .brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.12;
}
.planet-nav .brand-text strong {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
}
.planet-nav .brand-text em {
  font-style: normal;
  font-size: 10px;
  font-weight: 600;
  color: var(--steel);
}
.nav-actions { display: flex; align-items: center; gap: 10px; }
.btn-claim {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  background: var(--teal);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}
.btn-claim:hover {
  background: var(--teal-dark);
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgb(47 158 222 / 0.22);
}
.btn-nav-ghost {
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  color: var(--ink);
  font-weight: 600;
  font-size: 13px;
  background: #fff;
}
.btn-nav-ghost:hover { border-color: var(--teal); color: var(--teal); }

/* ── Pills ── */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--teal);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  padding: 11px 22px;
  border-radius: var(--radius-md);
  border: none;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}
.pill::before { content: "↗"; font-size: 13px; line-height: 1; }
.pill:hover {
  background: var(--teal-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgb(47 158 222 / 0.22);
}
.pill.pill-lg { padding: 14px 26px; font-size: 15px; }
.pill.line {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--border);
}
.pill.line::before { content: none; }
.pill.line:hover {
  border-color: var(--teal);
  color: var(--teal);
  box-shadow: none;
  transform: none;
}
.pill.download-cta::before { content: none; }

/* ── Sections: 每板块 ≈ 一屏 80% ── */
.hero-planet,
.section-white,
.section-muted,
.band-quote {
  min-height: 80dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* ── Hero ── */
.hero-planet {
  position: relative;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' seed='1' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E") repeat,
    linear-gradient(180deg, #ffffff 0%, #e7f4fd 100%);
  background-size: 200px 200px, auto;
  color: var(--ink);
  padding: 40px 0 72px;
  overflow: hidden;
}
.hero-bg-glow {
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  right: -80px;
  top: 10%;
  background: radial-gradient(circle, rgb(47 158 222 / 0.14) 0%, transparent 68%);
  pointer-events: none;
}
.hero-planet > .wrap {
  position: relative;
  z-index: 2;
  max-width: 1400px;
  width: 100%;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 48px;
  align-items: center;
}
.hero-copy h1 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(40px, 5.4vw, 64px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
  color: #2f4650;
}
.hero-copy h1 em {
  font-style: normal;
  color: var(--teal);
}
.hero-copy .brand-full {
  margin: 0 0 14px;
  font-size: 16px;
  font-weight: 650;
  letter-spacing: 0.02em;
  color: var(--steel);
}
.hero-copy .lead {
  font-size: 18px;
  color: #586a71;
  max-width: 540px;
  line-height: 1.65;
  font-weight: 500;
}
.hero-sells {
  list-style: none;
  margin: 24px 0 8px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 520px;
}
.hero-sells li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.55;
  color: #2f4650;
}
.hero-sells li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2f9ede, #1f80c4);
  box-shadow: 0 0 0 3px rgb(47 158 222 / 0.15);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.hero-visual {
  display: flex;
  justify-content: flex-end;
  align-items: flex-end;
}
.hero-visual-inner {
  position: relative;
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero-glow-ring {
  position: absolute;
  left: 50%;
  top: 18%;
  transform: translateX(-50%);
  width: 380px;
  height: 380px;
  border-radius: 50%;
  border: 1px dashed rgb(47 158 222 / 0.28);
  pointer-events: none;
}
.hero-glow-ring::before {
  content: "";
  position: absolute;
  inset: 18%;
  border-radius: 50%;
  background: radial-gradient(circle, rgb(47 158 222 / 0.2) 0%, rgb(230 243 253 / 0.4) 45%, transparent 72%);
}

/* 手机席间预览 */
.phone-stage {
  position: relative;
  z-index: 2;
  width: min(280px, 72vw);
  aspect-ratio: 9 / 17;
  border-radius: 32px;
  background: linear-gradient(160deg, #1a3a52 0%, #245f8f 48%, #2f9ede 100%);
  padding: 12px;
  box-shadow:
    0 28px 56px rgb(29 92 134 / 0.28),
    inset 0 0 0 2px rgb(255 255 255 / 0.12);
}
.phone-stage::before {
  content: "";
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: 72px;
  height: 8px;
  border-radius: 99px;
  background: rgb(0 0 0 / 0.35);
  z-index: 3;
}
.phone-screen {
  height: 100%;
  border-radius: 24px;
  background: #f7fbfd;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid rgb(255 255 255 / 0.35);
}
.phone-bar {
  flex-shrink: 0;
  padding: 28px 14px 10px;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.phone-bar strong {
  display: block;
  font-size: 13px;
  color: var(--navy);
  font-weight: 700;
}
.phone-bar span {
  font-size: 10px;
  color: var(--tmuted);
  font-weight: 600;
}
.phone-chat {
  flex: 1;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background:
    linear-gradient(180deg, #eef7fd 0%, #f7fbfd 40%);
}
.bubble {
  max-width: 86%;
  padding: 8px 11px;
  border-radius: 12px;
  font-size: 11px;
  line-height: 1.45;
  color: var(--ink);
  box-shadow: var(--shadow);
}
.bubble.sys {
  align-self: center;
  max-width: 94%;
  background: rgb(47 158 222 / 0.1);
  color: var(--steel);
  font-size: 10px;
  font-weight: 600;
  text-align: center;
  box-shadow: none;
}
.bubble.them {
  align-self: flex-start;
  background: #fff;
  border: 1px solid var(--border);
}
.bubble.me {
  align-self: flex-end;
  background: var(--teal);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.card-row {
  display: flex;
  gap: 6px;
  align-self: center;
  margin: 2px 0;
}
.mini-card {
  width: 34px;
  height: 48px;
  border-radius: 6px;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 700;
}
.mini-card.indigo { color: #4f46e5; border-color: #c7d2fe; background: #eef2ff; }
.mini-card.teal { color: #0d9488; border-color: #99f6e4; background: #f0fdfa; }
.mini-card.amber { color: #d97706; border-color: #fde68a; background: #fffbeb; }

.hero-caption {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: 320px;
  margin-top: 18px;
  text-align: center;
}
.hero-caption-name {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  color: #2f4650;
  line-height: 1.3;
}
.hero-caption-handle {
  font-size: 13px;
  font-weight: 600;
  color: #93a3a8;
}
.hero-caption-tagline {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.55;
  color: #586a71;
}

.wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  line-height: 0;
  z-index: 1;
}
.wave svg { width: 100%; height: 80px; display: block; }

@media (prefers-reduced-motion: no-preference) {
  .phone-stage {
    animation: hero-float 7s ease-in-out infinite;
  }
  @keyframes hero-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
  }
}

/* ── Sections ── */
.section-white { background: #fff; padding: 48px 0; }
.section-muted { background: var(--muted); padding: 48px 0; }
.sec-wm { position: relative; overflow: hidden; }
.sec-watermark {
  position: absolute;
  width: 220px;
  height: 220px;
  color: var(--teal);
  opacity: 0.06;
  pointer-events: none;
}
.sec-watermark svg { width: 100%; height: 100%; }
.sec-watermark.br { right: -20px; bottom: -30px; }
.sec-watermark.bl { left: -30px; bottom: -20px; }
.sec-watermark.tr { right: -10px; top: -20px; }

.sec-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
  position: relative;
  z-index: 1;
}
.sec-head h2 {
  font-family: var(--serif);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.sec-head p { font-size: 16px; color: var(--text); }

.skill-bento {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  position: relative;
  z-index: 1;
}
.skill-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 22px;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.skill-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: rgb(47 158 222 / 0.35);
}
.skill-card-hero {
  grid-column: span 2;
  background: linear-gradient(135deg, #fff 0%, #eef7fd 100%);
}
.skill-card-wide { grid-column: span 2; }
.skill-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.skill-ico {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--teal-soft);
  color: var(--teal-dark);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.skill-ico svg { width: 22px; height: 22px; }
.skill-card h3 {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}
.skill-card p {
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
}
.skill-tag {
  display: inline-block;
  margin-top: 14px;
  font-size: 12px;
  font-weight: 700;
  color: var(--steel);
  letter-spacing: 0.02em;
}

.flow-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  position: relative;
  z-index: 1;
}
.flow-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.flow-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: rgb(47 158 222 / 0.35);
}
.flow-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.flow-idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--teal-soft);
  color: var(--teal-dark);
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
}
.flow-card h3 {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}
.flow-card p {
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
}

.band-quote {
  position: relative;
  background: linear-gradient(120deg, #1f80c4 0%, #2f9ede 55%, #7ec8f0 100%);
  color: #fff;
  padding: 48px 0 72px;
  overflow: hidden;
}
.band-quote-inner {
  text-align: center;
  position: relative;
  z-index: 1;
}
.band-quote .q {
  font-family: var(--serif);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.35;
  max-width: 720px;
  margin: 0 auto;
}
.band-wave-down {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  line-height: 0;
}
.band-wave-down svg { display: block; width: 100%; height: 56px; }

/* ── Download ── */
.download-split {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.download-copy h2 {
  font-family: var(--serif);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 12px;
}
.download-copy > p {
  font-size: 16px;
  color: var(--text);
  max-width: 480px;
  margin-bottom: 24px;
}
.download-panel {
  display: flex;
  gap: 22px;
  align-items: center;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  width: fit-content;
  max-width: 100%;
}
.download-qr-block { text-align: center; }
.download-qr-block img {
  width: 140px;
  height: 140px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--border);
  padding: 8px;
  object-fit: contain;
}
.download-qr-hint {
  margin-top: 8px;
  font-size: 12px;
  color: var(--tmuted);
  font-weight: 600;
}
.download-meta { display: grid; gap: 8px; }
.download-ver-line { font-size: 15px; color: var(--ink); }
.download-ver-line strong { font-weight: 700; }
.download-size { font-size: 13px; color: var(--tmuted); }
.download-note { font-size: 12px; color: var(--tmuted); line-height: 1.55; }

.download-aside {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow);
}
.download-aside h3 {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 14px;
}
.download-aside ol {
  list-style: none;
  display: grid;
  gap: 12px;
  counter-reset: step;
}
.download-aside li {
  position: relative;
  padding-left: 36px;
  font-size: 14px;
  color: var(--text);
  line-height: 1.55;
}
.download-aside li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--teal-soft);
  color: var(--teal-dark);
  font-weight: 700;
  font-size: 12px;
  display: grid;
  place-items: center;
}

.section-cta-tall .embrace-cta {
  text-align: center;
  position: relative;
  z-index: 1;
}
.embrace-cta h2 {
  font-family: var(--serif);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 20px;
}

.planet-footer {
  background: var(--footer-bg);
  color: #a8b0b6;
  font-size: 12px;
  padding: 18px 0;
}
.planet-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: center;
  justify-content: space-between;
}
.brandf { color: #d7dde1; font-weight: 600; }
.icp a { color: #8a9399; }
.icp a:hover { color: #c5ccd1; }

@media (max-width: 960px) {
  .skill-bento { grid-template-columns: 1fr 1fr; }
  .skill-card-hero,
  .skill-card-wide { grid-column: span 2; }
  .flow-steps { grid-template-columns: 1fr; }
  .download-split { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-visual { order: -1; justify-content: center; }
  .hero-planet { padding: 28px 0 56px; }
  .btn-nav-ghost { display: none; }
  .planet-nav .brand-text strong { font-size: 16px; }
  .nav-inner { height: 64px; padding: 0 16px; }
  .wrap { padding: 0 16px; }
  .section-white,
  .section-muted,
  .band-quote { padding: 40px 0; }
  .download-panel { width: 100%; flex-wrap: wrap; }
}
@media (max-width: 560px) {
  .skill-bento { grid-template-columns: 1fr; }
  .skill-card-hero,
  .skill-card-wide { grid-column: span 1; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .pill { justify-content: center; }
}