:root {
  color: #15223a;
  background: #f6f8fc;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: #f6f8fc; }
button, input, textarea { font: inherit; }

.landing-static {
  min-height: 100vh;
  padding: 0 24px 28px;
}

.landing-static-header {
  height: 70px;
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.landing-static-brand { display: flex; align-items: center; gap: 10px; font-weight: 750; font-size: 18px; }
.landing-static-brand img { width: 35px; height: 35px; border-radius: 10px; object-fit: cover; }
.landing-static-brand span { color: #7658ec; }
.landing-static-login { border: 1px solid #e0e5ef; background: #fff; color: #46536a; border-radius: 8px; padding: 8px 14px; cursor: pointer; }

.landing-static-main { max-width: 1000px; margin: 54px auto 0; text-align: center; }
.landing-static-eyebrow { display: inline-flex; border: 1px solid #dfd8ff; color: #7156e4; background: #f3f0ff; border-radius: 999px; padding: 6px 12px; font-size: 13px; }
.landing-static-main h1 { margin: 16px 0 12px; font-size: clamp(36px, 5vw, 58px); line-height: 1.12; letter-spacing: 0; }
.landing-static-main h1 em { color: #7658ec; font-style: normal; }
.landing-static-main > p { margin: 0 auto 26px; color: #7c899d; font-size: 16px; }

.landing-static-form {
  max-width: 760px;
  margin: 0 auto;
  padding: 9px;
  text-align: left;
  background: #fff;
  border: 1px solid #e3e7f0;
  box-shadow: 0 12px 32px rgba(26, 43, 75, .07);
  border-radius: 16px;
}
.landing-static-form textarea { width: 100%; min-height: 92px; resize: vertical; border: 0; outline: 0; padding: 12px 14px; color: #17253e; font-size: 16px; line-height: 1.6; background: transparent; }
.landing-static-form textarea::placeholder { color: #b3bdcd; }
.landing-static-bottom { border-top: 1px solid #edf0f5; padding: 10px 5px 2px; display: flex; gap: 10px; align-items: center; justify-content: space-between; }
.landing-static-models { display: flex; gap: 6px; flex-wrap: wrap; }
.landing-static-models span { color: #64728a; background: #f5f7fb; border-radius: 999px; padding: 5px 9px; font-size: 12px; }
.landing-static-start { border: 0; border-radius: 9px; background: #7258ee; color: #fff; font-weight: 700; padding: 10px 20px; cursor: pointer; white-space: nowrap; }
.landing-static-start:disabled { opacity: .48; cursor: default; }

.landing-static-points { max-width: 760px; margin: 20px auto 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; text-align: left; }
.landing-static-points article { background: #fff; border: 1px solid #e8ecf3; border-radius: 10px; padding: 13px; }
.landing-static-points b { display: block; font-size: 14px; margin-bottom: 5px; }
.landing-static-points small { display: block; color: #8995a8; line-height: 1.45; font-size: 12px; }

@media (max-width: 680px) {
  .landing-static { padding: 0 14px 22px; }
  .landing-static-header { height: 58px; }
  .landing-static-main { margin-top: 40px; }
  .landing-static-main h1 { font-size: 35px; }
  .landing-static-main > p { font-size: 14px; line-height: 1.6; }
  .landing-static-bottom { align-items: stretch; flex-direction: column; }
  .landing-static-start { width: 100%; }
  .landing-static-points { grid-template-columns: 1fr; }
}