:root {
  --cream: #f7f1e8;
  --ink: #10233f;
  --muted: #526178;
  --gold: #c78935;
  --gold-soft: #e6c686;
  --line: #e4cfaa;
  --paper: #fffaf2;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--cream);
  color: var(--ink);
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2 {
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  letter-spacing: 0;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: 0.96fr 1.04fr;
  align-items: center;
  gap: 72px;
  min-height: 100vh;
  max-width: 1240px;
  margin: 0 auto;
  padding: 72px 40px 88px;
  overflow: hidden;
}

.top-line {
  position: absolute;
  left: 40px;
  right: 40px;
  top: 0;
  height: 8px;
  background: var(--ink);
}

.glow {
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 999px;
  filter: blur(64px);
  opacity: 0.55;
  pointer-events: none;
}

.glow-left {
  left: -150px;
  top: 130px;
  background: rgba(211, 154, 67, 0.18);
}

.glow-right {
  right: -180px;
  bottom: 130px;
  background: rgba(123, 169, 155, 0.22);
}

.hero-copy,
.cover-wrap {
  position: relative;
  z-index: 1;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 8px 22px rgba(16, 35, 63, 0.08);
  color: #8b6229;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

h1 {
  margin: 34px 0 0;
  color: var(--ink);
  font-size: clamp(68px, 7vw, 90px);
  font-weight: 900;
  line-height: 0.98;
}

h1 span {
  display: block;
  margin-top: 16px;
  color: var(--gold);
}

.lead {
  max-width: 560px;
  margin: 34px 0 0;
  color: #42536b;
  font-size: 22px;
  font-weight: 600;
  line-height: 1.7;
}

.claim-card {
  margin-top: 38px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 24px 70px rgba(16, 35, 63, 0.12);
  backdrop-filter: blur(12px);
}

.claim-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.kicker {
  margin: 0;
  color: #b1792b;
  font-size: 14px;
  font-weight: 900;
}

.claim-card h2 {
  margin: 8px 0 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
    sans-serif;
  font-size: 21px;
  font-weight: 900;
  white-space: nowrap;
}

.claim-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 28px;
  border-radius: 18px;
  background: var(--ink);
  color: #fff;
  font-size: 16px;
  font-weight: 900;
  white-space: nowrap;
  box-shadow: 0 14px 35px rgba(16, 35, 63, 0.25);
}

.notice {
  margin: 14px 0 0;
  padding: 16px 18px;
  border: 1px solid #ead9bd;
  border-radius: 20px;
  background: #fff8ec;
  color: #6e5738;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.7;
}

.invite-box {
  margin-top: 18px;
  padding: 16px 18px;
  border: 1px solid rgba(199, 137, 53, 0.28);
  border-radius: 20px;
  background: linear-gradient(135deg, #fff8ec, #fffdf8);
}

.invite-box p {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
  font-weight: 900;
  line-height: 1.55;
}

.invite-box a {
  display: block;
  margin-top: 10px;
  color: #9a6727;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.chips {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.chips span {
  position: relative;
  min-height: 62px;
  padding: 16px 18px;
  border: 1px solid rgba(230, 198, 134, 0.72);
  border-radius: 20px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(255, 250, 242, 0.68)),
    radial-gradient(circle at 15% 10%, rgba(230, 198, 134, 0.4), transparent 34%);
  box-shadow: 0 12px 30px rgba(16, 35, 63, 0.1);
  color: #10233f;
  font-size: 18px;
  font-weight: 900;
  line-height: 1.35;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.86);
}

.chips span::before {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 10px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--gold), rgba(199, 137, 53, 0.2), transparent);
  opacity: 0.75;
}

.chips span::after {
  content: "";
  position: absolute;
  right: 16px;
  top: 14px;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(199, 137, 53, 0.12);
}

.chips span:nth-child(2),
.chips span:nth-child(4) {
  color: #8b6229;
}

.chips span:nth-child(3) {
  color: #17375e;
}

.wechat-card {
  margin-top: 18px;
  padding: 22px 24px;
  border: 1px solid rgba(230, 198, 134, 0.78);
  border-radius: 28px;
  background:
    linear-gradient(135deg, #10233f 0%, #17375e 58%, #10233f 100%),
    var(--ink);
  color: #fff;
  box-shadow: 0 22px 60px rgba(16, 35, 63, 0.2);
}

.wechat-card p {
  margin: 0;
  color: var(--gold-soft);
  font-size: 14px;
  font-weight: 900;
}

.wechat-card h2 {
  margin: 8px 0 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
    sans-serif;
  font-size: 29px;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.wechat-card strong {
  display: block;
  margin-top: 10px;
  color: #f3ddb0;
  font-size: 15px;
  line-height: 1.6;
}

.cover-frame {
  position: relative;
  max-width: 515px;
  margin: 0 auto;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 36px;
  background: var(--paper);
  box-shadow: 0 28px 90px rgba(16, 35, 63, 0.2);
}

.cover-frame picture {
  display: block;
}

.cover-frame img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid #eadbc4;
  border-radius: 28px;
  background: #fff;
}

.steps-section {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 56px;
  align-items: start;
  padding: 76px max(40px, calc((100vw - 1240px) / 2 + 40px));
  background: var(--ink);
  color: #fff;
}

.section-label {
  margin: 0;
  color: var(--gold-soft);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.18em;
}

.steps-intro h2 {
  margin: 16px 0 0;
  font-size: 42px;
  line-height: 1.15;
}

.steps-intro p:last-child {
  max-width: 450px;
  margin: 22px 0 0;
  color: #d9e1ee;
  font-size: 17px;
  font-weight: 650;
  line-height: 1.75;
}

.flowus-download-large {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  margin-top: 26px;
  padding: 0 28px;
  border: 1px solid rgba(230, 198, 134, 0.62);
  border-radius: 18px;
  background: var(--gold-soft);
  color: var(--ink);
  font-size: 18px;
  font-weight: 900;
  box-shadow: 0 14px 38px rgba(230, 198, 134, 0.2);
}

.methods {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 18px;
}

.method-card {
  min-height: 274px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.16);
}

.method-card.soft {
  background: rgba(230, 198, 134, 0.12);
}

.method-title {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 14px;
}

.method-title span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 16px;
  background: var(--gold-soft);
  color: var(--ink);
  font-size: 15px;
  font-weight: 900;
}

.method-title strong {
  display: block;
  font-size: 21px;
  line-height: 1.35;
}

.method-card ol {
  margin: 22px 0 0;
  padding-left: 22px;
  color: #d9e1ee;
  font-size: 15px;
  font-weight: 650;
  line-height: 1.85;
}

.method-card li + li {
  margin-top: 8px;
}

.method-card p {
  margin: 24px 0 0;
  color: #d9e1ee;
  font-size: 15px;
  font-weight: 650;
  line-height: 1.85;
}

.method-card .small-note {
  margin-top: 16px;
  padding: 14px 16px;
  border: 1px solid rgba(230, 198, 134, 0.34);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
  color: #f3ddb0;
}

.flowus-link {
  display: block;
  margin-top: 20px;
  padding: 17px 18px;
  border: 1px solid rgba(230, 198, 134, 0.62);
  border-radius: 20px;
  background: rgba(230, 198, 134, 0.18);
  color: #ffe1a6;
  font-size: 17px;
  font-weight: 900;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

@media (max-width: 980px) {
  .hero,
  .steps-section {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 56px;
    padding: 28px 20px 52px;
  }

  .top-line {
    left: 0;
    right: 0;
    height: 7px;
  }

  .cover-wrap {
    order: 1;
  }

  .hero-copy {
    order: 2;
  }

  .cover-frame {
    max-width: 430px;
  }

  h1 {
    margin-top: 28px;
    font-size: clamp(48px, 13vw, 66px);
  }

  .lead {
    font-size: 18px;
  }

  .claim-top {
    align-items: stretch;
    flex-direction: column;
  }

  .claim-button {
    width: 100%;
  }

  .claim-card h2 {
    font-size: clamp(17px, 4.8vw, 21px);
  }

  .chips {
    grid-template-columns: 1fr;
  }

  .steps-section {
    padding: 48px 20px;
  }

  .methods {
    grid-template-columns: 1fr;
  }

  .method-card {
    min-height: auto;
  }

}

@media (max-width: 460px) {
  .cover-frame {
    padding: 10px;
    border-radius: 30px;
  }

  .cover-frame img {
    border-radius: 22px;
  }

  .eyebrow {
    min-height: 36px;
    font-size: 12px;
  }

  .claim-card {
    padding: 20px;
  }

  .chips span {
    min-height: 68px;
    padding: 16px 18px 15px;
    font-size: 17px;
  }

  .wechat-card {
    padding: 20px;
  }

  .wechat-card h2 {
    font-size: 24px;
  }
}