:root {
  --bg: #fffaf3;
  --paper: rgba(255, 255, 255, .82);
  --paper-strong: #ffffff;
  --line: rgba(157, 103, 31, .16);
  --text: #473421;
  --muted: #776957;
  --gold: #ffbf3f;
  --orange: #ff7a2f;
  --red: #f04e54;
  --blue: #4b8dff;
  --green: #20b982;
  --shadow: 0 24px 70px rgba(190, 126, 42, .12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    linear-gradient(180deg, #fff8ed 0%, #fffdf8 46%, #f6fbff 100%);
  min-height: 100vh;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
.soft-bg { position: fixed; inset: 0; pointer-events: none; overflow: hidden; z-index: -1; }
.soft-bg i { position: absolute; border-radius: 999px; filter: blur(8px); opacity: .62; }
.soft-bg i:nth-child(1) { width: 520px; height: 520px; left: -180px; top: -120px; background: radial-gradient(circle, rgba(255, 191, 63, .46), transparent 68%); }
.soft-bg i:nth-child(2) { width: 470px; height: 470px; right: -140px; top: 80px; background: radial-gradient(circle, rgba(75, 141, 255, .20), transparent 68%); }
.soft-bg i:nth-child(3) { width: 420px; height: 420px; left: 30%; bottom: -190px; background: radial-gradient(circle, rgba(240, 78, 84, .16), transparent 68%); }
.page-shell { width: min(1180px, calc(100% - 36px)); margin: 0 auto; }
.hero { min-height: 720px; padding: 26px 0 70px; position: relative; }
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 14px; border: 1px solid var(--line); border-radius: 999px;
  background: rgba(255, 255, 255, .68); backdrop-filter: blur(18px); box-shadow: 0 14px 46px rgba(132, 83, 26, .10);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 900; letter-spacing: .04em; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--gold), var(--orange)); color: #3d1d00; box-shadow: 0 10px 24px rgba(255, 122, 47, .22);
}
.nav-links { display: flex; gap: 8px; }
.nav-links a { color: var(--muted); font-size: 14px; padding: 9px 14px; border-radius: 999px; background: rgba(255,255,255,.56); border: 1px solid rgba(157,103,31,.08); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 58px; align-items: center; padding-top: 78px; }
.eyebrow { margin: 0 0 14px; color: var(--orange); font-size: 12px; font-weight: 900; letter-spacing: .22em; }
h1 { margin: 0; font-size: clamp(54px, 7.5vw, 104px); line-height: .95; letter-spacing: -.07em; }
h1 span { color: transparent; background: linear-gradient(100deg, #ff8a2a, #f05a35 48%, #4b8dff); -webkit-background-clip: text; background-clip: text; }
.lead { max-width: 660px; color: var(--muted); font-size: clamp(17px, 2.1vw, 22px); line-height: 1.82; margin: 28px 0 22px; }
.slogan-card {
  display: inline-flex; align-items: center; gap: 10px; max-width: 100%; min-height: 48px;
  padding: 12px 16px; border: 1px solid rgba(255, 122, 47, .18); border-radius: 18px;
  background: linear-gradient(135deg, rgba(255, 255, 255, .92), rgba(255, 239, 210, .78)); color: #6d3700;
  box-shadow: 0 14px 34px rgba(255, 160, 64, .14);
}
.spark { color: var(--orange); animation: blink 1.8s infinite; }
@keyframes blink { 50% { opacity: .45; transform: scale(.9); } }
.cta-row { display: flex; gap: 14px; align-items: stretch; margin-top: 28px; flex-wrap: wrap; }
.primary-cta, .secondary-cta { border: 0; border-radius: 20px; padding: 15px 22px; min-height: 62px; cursor: pointer; font-weight: 900; }
.primary-cta {
  display: flex; flex-direction: column; justify-content: center; gap: 2px;
  color: #351600; background: linear-gradient(135deg, #ffd35c, #ff8a39); box-shadow: 0 18px 42px rgba(255, 122, 47, .28);
}
.primary-cta:disabled { cursor: not-allowed; filter: saturate(.72); opacity: .78; }
.primary-cta small { font-weight: 700; opacity: .72; }
.secondary-cta { display: grid; place-items: center; border: 1px solid var(--line); color: var(--text); background: rgba(255,255,255,.72); box-shadow: 0 14px 30px rgba(132,83,26,.08); }
.micro-copy { color: #9a8569; margin-top: 16px; font-size: 14px; }
.product-stage { min-height: 540px; display: grid; place-items: center; position: relative; }
.halo { position: absolute; border-radius: 999px; filter: blur(2px); opacity: .75; }
.halo-a { width: 220px; height: 220px; background: rgba(255, 191, 63, .28); top: 28px; right: 38px; }
.halo-b { width: 250px; height: 250px; background: rgba(75, 141, 255, .14); bottom: 38px; left: 8px; }
.phone-card {
  width: min(360px, 86vw); padding: 14px; border-radius: 42px; border: 1px solid rgba(255,255,255,.82);
  background: linear-gradient(160deg, rgba(255,255,255,.92), rgba(255,248,232,.72)); box-shadow: var(--shadow); backdrop-filter: blur(22px);
  transform: rotate(2deg);
}
.phone-top { width: 86px; height: 7px; margin: 6px auto 14px; border-radius: 99px; background: rgba(99,65,27,.18); }
.app-screen { min-height: 540px; border-radius: 32px; padding: 20px; background: linear-gradient(180deg, #ffffff, #fff8ea); overflow: hidden; border: 1px solid rgba(157,103,31,.12); }
.status-row, .ticket-card, .version-line { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.status-row { color: var(--muted); font-size: 13px; margin-bottom: 22px; }
.status-row b { color: var(--green); }
.ticket-card { padding: 18px; border-radius: 24px; background: linear-gradient(135deg, #fff0bf, #fff8ea); border: 1px solid rgba(255,122,47,.15); box-shadow: 0 18px 38px rgba(255, 191, 63, .18); }
.ticket-card small, .mini-grid span { color: var(--muted); display: block; }
.ticket-card strong { display: block; margin-top: 6px; font-size: 22px; }
.check { color: #073522; background: #b8ffd9; padding: 7px 10px; border-radius: 999px; font-weight: 900; font-size: 12px; }
.mini-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px; }
.mini-grid div { padding: 16px; border-radius: 20px; background: rgba(255,255,255,.88); border: 1px solid rgba(157,103,31,.11); box-shadow: 0 10px 26px rgba(132,83,26,.07); }
.mini-grid b { display: block; margin-bottom: 4px; }
.shine-panel { margin-top: 16px; padding: 18px; border-radius: 24px; background: #ffffff; border: 1px solid rgba(157,103,31,.1); text-align: left; box-shadow: 0 12px 28px rgba(132,83,26,.08); }
.shine-panel p { margin: 0 0 16px; color: var(--muted); line-height: 1.7; }
.shine-line { height: 10px; border-radius: 999px; background: #fff0d2; overflow: hidden; }
.shine-line i { display: block; width: 46%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--gold), var(--orange), var(--red)); animation: flow 2.8s ease-in-out infinite alternate; }
@keyframes flow { to { transform: translateX(118%); } }
.section { padding: 68px 0; }
.section-title { display: flex; justify-content: space-between; gap: 24px; align-items: end; margin-bottom: 24px; }
.section-title p { color: var(--orange); font-weight: 900; letter-spacing: .22em; font-size: 12px; margin: 0; }
h2 { margin: 0; font-size: clamp(30px, 4vw, 52px); letter-spacing: -.05em; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.feature-card, .version-panel, .promise-card { border: 1px solid var(--line); border-radius: 30px; background: var(--paper); backdrop-filter: blur(18px); box-shadow: var(--shadow); }
.feature-card { padding: 24px; min-height: 245px; }
.feature-card span { color: var(--orange); font-weight: 900; }
.feature-card h3 { margin: 34px 0 12px; font-size: 22px; }
.feature-card p, .version-panel p, .promise-card li { color: var(--muted); line-height: 1.72; }
.version-panel { display: grid; grid-template-columns: 1fr 420px; gap: 26px; align-items: center; padding: 34px; }
.version-card { border-radius: 24px; background: rgba(255,255,255,.88); border: 1px solid rgba(157,103,31,.11); padding: 16px; }
.version-line { padding: 14px 4px; border-bottom: 1px solid rgba(157,103,31,.1); }
.version-line:last-child { border-bottom: 0; }
.version-line span { color: var(--muted); }
.version-line strong { text-align: right; }
.promise-card { padding: 38px; background: linear-gradient(135deg, rgba(255,255,255,.88), rgba(255,246,229,.82)); }
.promise-card ul { margin: 18px 0 0; padding-left: 22px; }
.footer { width: min(1180px, calc(100% - 36px)); margin: 0 auto; padding: 30px 0 44px; color: #9a8569; display: flex; justify-content: space-between; gap: 16px; }
.record-link { color: #2563eb; font-weight: 700; }
.record-link:hover { text-decoration: underline; }
@media (max-width: 920px) {
  .hero { min-height: auto; }
  .hero-grid, .version-panel { grid-template-columns: 1fr; }
  .hero-grid { padding-top: 48px; }
  .product-stage { min-height: 500px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .page-shell, .footer { width: min(100% - 24px, 1180px); }
  .topbar { border-radius: 22px; align-items: flex-start; }
  .nav-links a:last-child { display: none; }
  h1 { font-size: 52px; }
  .lead { font-size: 16px; }
  .cta-row { flex-direction: column; }
  .primary-cta, .secondary-cta { width: 100%; }
  .phone-card { transform: none; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: auto; }
  .version-panel, .promise-card { padding: 24px; }
  .footer { flex-direction: column; }
}

@media (min-width: 921px) {
  .hero { min-height: 690px; }
  .product-stage { background: linear-gradient(145deg, rgba(255,255,255,.44), rgba(255,244,221,.30)); border: 1px solid rgba(255,255,255,.62); border-radius: 44px; box-shadow: 0 28px 80px rgba(255, 174, 72, .10); }
  .halo-a { background: rgba(255, 213, 116, .38); }
  .halo-b { background: rgba(139, 194, 255, .20); }
  .feature-card:hover { transform: translateY(-4px); box-shadow: 0 30px 80px rgba(190, 126, 42, .15); }
  .feature-card { transition: transform .22s ease, box-shadow .22s ease; }
}

.hero-copy h1 span { display: inline-block; font-size: .58em; letter-spacing: -.045em; line-height: 1.12; margin-top: 6px; }
@media (max-width: 620px) { .hero-copy h1 span { font-size: .54em; line-height: 1.16; } }

.brand-mark { overflow: hidden; background: #fff; padding: 3px; }
.brand-mark img { width: 100%; height: 100%; object-fit: cover; border-radius: 11px; display: block; }
.app-identity {
  display: inline-flex; align-items: center; gap: 13px; margin: 24px 0 0;
  padding: 10px 14px 10px 10px; border-radius: 22px;
  background: rgba(255,255,255,.78); border: 1px solid rgba(157,103,31,.12);
  box-shadow: 0 14px 36px rgba(190,126,42,.12); backdrop-filter: blur(14px);
}
.app-identity img { width: 54px; height: 54px; border-radius: 16px; box-shadow: 0 10px 22px rgba(255,122,47,.20); }
.app-identity strong { display: block; font-size: 18px; }
.app-identity span { display: block; color: var(--muted); font-size: 13px; margin-top: 2px; }
.screen-icon { display: flex; justify-content: center; margin: 2px 0 16px; }
.screen-icon img { width: 74px; height: 74px; border-radius: 22px; box-shadow: 0 16px 34px rgba(255,122,47,.22); }
@media (max-width: 620px) {
  .app-identity { width: 100%; }
}