:root {
  --green: #2abb8c;
  --text: #22272e;
  --body: #f6f7f7;
  --topbar-h: clamp(54px, 9.1vw, 68px);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
}

body {
  margin: 0;
  background: var(--body);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  letter-spacing: 0;
}

button {
  border: 0;
  padding: 0;
  margin: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.page {
  min-width: 320px;
  min-height: 100dvh;
}

.green-topbar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: var(--topbar-h);
  background: var(--green);
  color: #fff;
}

.green-topbar h1 {
  margin: 0;
  font-size: clamp(16px, 3vw, 22px);
  line-height: 1;
  font-weight: 700;
}

.back-button {
  position: absolute;
  left: clamp(8px, 1.9vw, 16px);
  top: 50%;
  width: clamp(30px, 6.4vw, 44px);
  height: clamp(30px, 6.4vw, 44px);
  transform: translateY(-50%);
  color: #fff;
}

.back-button svg {
  width: 76%;
  height: 76%;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.content {
  padding: clamp(19px, 4.1vw, 30px) clamp(18px, 3.9vw, 30px) 28px;
}

.survey-card {
  padding: clamp(28px, 5.68vw, 44px) clamp(35px, 7.3vw, 58px) clamp(33px, 6.76vw, 52px);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.survey-card + .survey-card {
  margin-top: clamp(22px, 4.6vw, 36px);
}

.survey-card h2 {
  margin: 0 0 clamp(24px, 5.14vw, 40px);
  color: #20242a;
  font-size: clamp(28px, 5.95vw, 42px);
  line-height: 1.25;
  font-weight: 800;
  text-align: center;
}

.survey-card p {
  margin: 0 0 clamp(13px, 2.7vw, 20px);
  color: #3e4651;
  font-size: clamp(20px, 4.32vw, 30px);
  line-height: 1.65;
  text-align: left;
  text-indent: 2em;
}

.survey-card span {
  color: #09b27c;
}

.survey-card button {
  display: block;
  width: 100%;
  height: clamp(66px, 13.78vw, 98px);
  margin-top: clamp(33px, 6.76vw, 52px);
  background: var(--green);
  color: #fff;
  font-size: clamp(25px, 5.14vw, 38px);
  line-height: 1;
  font-weight: 600;
}

.survey-card button:active {
  background: #18a978;
}