:root {
  --bg: #030106;
  --ink: #fbf8ff;
  --muted: #b9aec8;
  --soft: #ddd1ef;
  --purple: #c768ff;
  --purple-dark: #7134ff;
  --cyan: #b8fff6;
  --panel: rgba(18, 11, 28, 0.72);
  --line: rgba(199, 104, 255, 0.36);
  color: var(--ink);
  background: var(--bg);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 50% -8%, rgba(199, 104, 255, 0.25), transparent 380px),
    radial-gradient(circle at 85% 18%, rgba(184, 255, 246, 0.08), transparent 240px),
    #000;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 18%);
  content: "";
}

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

h1,
h2,
h3,
p {
  margin-top: 0;
}

.shell {
  position: relative;
  width: min(100%, 520px);
  margin: 0 auto;
  padding-bottom: calc(92px + env(safe-area-inset-bottom));
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 8%, rgba(199, 104, 255, 0.18), transparent 320px),
    linear-gradient(180deg, #050208 0%, #090511 44%, #030105 100%);
  box-shadow: 0 0 90px rgba(0, 0, 0, 0.8);
}

.hero {
  position: relative;
  min-height: 810px;
  padding: 34px 22px 30px;
  display: grid;
  align-content: space-between;
  isolation: isolate;
}

.hero::before,
.hero::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
}

.hero::before {
  z-index: -3;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.9) 0 28%, rgba(0, 0, 0, 0.28) 52%, rgba(0, 0, 0, 0) 70%),
    radial-gradient(circle at 50% 55%, rgba(199, 104, 255, 0.28), transparent 250px),
    linear-gradient(180deg, rgba(0, 0, 0, 0), #050208 88%);
}

.hero::after {
  display: none;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.hero__media img {
  position: absolute;
  left: 50%;
  top: 350px;
  width: 430px;
  max-width: none;
  opacity: 0.95;
  transform: translateX(-50%);
  filter: saturate(1.06) contrast(1.12) drop-shadow(0 -12px 34px rgba(199, 104, 255, 0.28));
  mask-image: linear-gradient(180deg, #000 0, #000 82%, transparent 100%);
}

.hero__copy {
  position: relative;
  z-index: 2;
  max-width: 430px;
  margin: 0 auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  margin: 0 0 18px;
  color: #eee4ff;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 12px;
  letter-spacing: 4px;
  white-space: nowrap;
}

.hero h1 {
  margin: 0;
  color: #fff;
  font-family: "Songti SC", "SimSun", serif;
  font-size: clamp(34px, 9.5vw, 52px);
  font-weight: 900;
  line-height: 1.05;
  text-shadow: 0 0 24px rgba(255, 255, 255, 0.22);
}

.hero h1 span {
  display: block;
  color: var(--purple);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(68px, 18vw, 98px);
  line-height: 0.86;
  text-shadow: 0 0 28px rgba(199, 104, 255, 0.72);
}

.hero__focus {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  margin: 12px 0 8px;
  color: transparent;
  background:
    linear-gradient(180deg, #ffffff 0%, #c9c2d0 18%, #6b6472 32%, #f8f5ff 48%, #b95dff 58%, #fff2ff 72%, #7a34d8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-stroke: 0.45px rgba(255, 255, 255, 0.48);
  font-size: clamp(30px, 8.2vw, 42px);
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1.28;
  white-space: nowrap;
  text-shadow:
    0 1px 0 rgba(255, 255, 255, 0.38),
    0 5px 14px rgba(0, 0, 0, 0.72),
    0 0 26px rgba(199, 104, 255, 0.72),
    0 3px 16px rgba(0, 0, 0, 0.86);
  filter: drop-shadow(0 0 10px rgba(199, 104, 255, 0.28));
}

.hero__focus::before,
.hero__focus::after {
  flex: 1 1 32px;
  max-width: 30px;
  height: 1px;
  background: var(--line);
  content: "";
}

.hero__course {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  margin: 0 0 12px;
  padding: 0 34px;
  border: 1px solid rgba(199, 104, 255, 0.78);
  border-radius: 999px;
  color: #f4c4ff;
  background:
    linear-gradient(90deg, rgba(199, 104, 255, 0.06), rgba(199, 104, 255, 0.2), rgba(184, 255, 246, 0.06)),
    rgba(0, 0, 0, 0.38);
  box-shadow:
    inset 0 0 20px rgba(199, 104, 255, 0.14),
    0 0 28px rgba(199, 104, 255, 0.26);
  font-size: 28px;
  font-weight: 900;
  letter-spacing: 8px;
  text-indent: 8px;
  line-height: 1;
  text-shadow: 0 0 16px rgba(199, 104, 255, 0.74);
}

.lead {
  max-width: 340px;
  margin: 0 auto;
  color: var(--soft);
  font-size: 14px;
  line-height: 1.75;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.8);
}

.hero__panel {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(7, 3, 10, 0.76);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 0 34px rgba(199, 104, 255, 0.22);
  backdrop-filter: blur(18px);
}

.hero__panel span {
  display: block;
  color: var(--soft);
  font-size: 13px;
}

.hero__panel strong {
  color: var(--purple);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 54px;
  font-style: italic;
  line-height: 0.95;
}

.hero__panel em {
  color: #fff;
  font-style: normal;
}

.hero__panel a,
.qr-card a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  color: #13081c;
  background: linear-gradient(180deg, #f4c4ff, #bd64ff 56%, #873aff);
  box-shadow: 0 0 24px rgba(199, 104, 255, 0.5);
  font-weight: 900;
}

.section {
  position: relative;
  padding: 54px 22px;
}

.section::before {
  position: absolute;
  top: 0;
  right: 22px;
  left: 22px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(199, 104, 255, 0.58), transparent);
  content: "";
}

.kicker {
  margin-bottom: 10px;
  color: var(--purple);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.section h2 {
  margin-bottom: 18px;
  color: #fff;
  font-size: 28px;
  line-height: 1.28;
}

.section p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.manifesto {
  padding-top: 62px;
}

.manifesto h2 {
  font-family: "Songti SC", "SimSun", serif;
  font-size: 34px;
  line-height: 1.24;
}

.problem-list,
.route-grid {
  display: grid;
  gap: 12px;
}

.problem-list article,
.route-grid article,
.mentor,
.qr-card,
dl div,
.quote-list blockquote,
.faq details {
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(199, 104, 255, 0.16), transparent 36%),
    rgba(255, 255, 255, 0.055);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
}

.problem-list article {
  position: relative;
  padding: 17px 18px 17px 58px;
  color: #f7f2ff;
  font-size: 15px;
  line-height: 1.7;
}

.problem-list span {
  position: absolute;
  top: 18px;
  left: 18px;
  color: var(--cyan);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 700;
}

.route-grid article {
  padding: 20px;
}

.route-grid time {
  color: var(--cyan);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 14px;
  letter-spacing: 1px;
}

.route-grid h3 {
  margin: 8px 0 8px;
  color: #fff;
  font-size: 20px;
}

.route-grid p {
  margin-bottom: 0;
}

.outcomes ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.outcomes li {
  position: relative;
  min-height: 48px;
  padding: 13px 14px 13px 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  color: #f7f1ff;
  font-size: 15px;
  line-height: 1.6;
}

.outcomes li::before {
  position: absolute;
  top: 15px;
  left: 8px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  color: #13081c;
  background: linear-gradient(180deg, #f4c4ff, var(--purple));
  content: "";
  box-shadow: 0 0 18px rgba(199, 104, 255, 0.48);
}

.mentor h2 {
  margin-bottom: 12px;
  color: var(--purple);
  font-family: "Songti SC", "SimSun", serif;
  font-size: 44px;
}

.mentor p:last-child {
  margin-bottom: 0;
}

.quote-list {
  display: grid;
  gap: 12px;
}

.quote-list blockquote {
  position: relative;
  margin: 0;
  padding: 18px 18px 18px 48px;
  color: #f8f1ff;
  font-size: 15px;
  line-height: 1.75;
}

.quote-list blockquote::before {
  position: absolute;
  top: 12px;
  left: 18px;
  color: var(--purple);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 42px;
  line-height: 1;
  content: "“";
}

.quote-list cite {
  display: block;
  margin-top: 8px;
  color: var(--cyan);
  font-style: normal;
  font-size: 13px;
}

.faq details {
  padding: 16px 18px;
  margin-bottom: 10px;
}

.faq summary {
  cursor: pointer;
  color: #fff;
  font-size: 16px;
  font-weight: 900;
  line-height: 1.55;
}

.faq summary::marker {
  color: var(--purple);
}

.faq details p {
  margin: 10px 0 0;
  font-size: 14px;
}

.signup h2 {
  margin-bottom: 20px;
}

.qr-card {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 16px;
  align-items: center;
  padding: 16px;
  margin-bottom: 16px;
}

.qr-card img {
  display: block;
  width: 132px;
  height: 132px;
  padding: 8px;
  border-radius: 8px;
  background: #fff;
  object-fit: contain;
}

.qr-card strong {
  display: block;
  margin-bottom: 8px;
  color: #fff;
  font-size: 20px;
}

.qr-card p {
  margin-bottom: 12px;
  font-size: 13px;
  line-height: 1.65;
}

.qr-card a {
  min-height: 38px;
  padding: 0 14px;
  font-size: 13px;
  flex-direction: column;
  gap: 2px;
  line-height: 1.35;
}

dl {
  display: grid;
  gap: 10px;
  margin: 0;
}

dl div {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 12px;
  padding: 14px 16px;
}

dt {
  color: var(--purple);
  font-weight: 900;
}

dd {
  margin: 0;
  color: #f7f2ff;
  line-height: 1.6;
}

.tips {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--purple);
  font-size: 13px;
}

.dock {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 0.8fr 0.8fr 1.4fr;
  gap: 8px;
  width: min(100%, 520px);
  margin: 0 auto;
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  border-top: 1px solid rgba(199, 104, 255, 0.34);
  background: rgba(3, 1, 6, 0.9);
  backdrop-filter: blur(18px);
}

.dock a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  color: var(--soft);
  font-size: 14px;
  font-weight: 800;
}

.dock a:last-child {
  color: #13081c;
  background: linear-gradient(180deg, #f4c4ff, #bd64ff 56%, #873aff);
  box-shadow: 0 0 24px rgba(199, 104, 255, 0.5);
}

@media (min-width: 521px) {
  body {
    padding: 24px 0;
  }

  .shell,
  .dock {
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
  }

  .dock {
    right: 50%;
    left: auto;
    transform: translateX(50%);
  }
}

@media (max-width: 380px) {
  .hero {
    min-height: 790px;
    padding-right: 16px;
    padding-left: 16px;
  }

  .hero__media img {
    top: 350px;
    width: 408px;
  }

  .eyebrow {
    letter-spacing: 3px;
  }

  .hero__focus {
    gap: 8px;
    font-size: 29px;
  }

  .hero__course {
    min-height: 44px;
    padding: 0 28px;
    font-size: 25px;
    letter-spacing: 6px;
    text-indent: 6px;
  }

  .hero__panel {
    padding: 14px;
  }

  .hero__panel strong {
    font-size: 48px;
  }

  .section {
    padding-right: 16px;
    padding-left: 16px;
  }

  .qr-card {
    grid-template-columns: 116px 1fr;
    gap: 12px;
  }

  .qr-card img {
    width: 116px;
    height: 116px;
  }

  dl div {
    grid-template-columns: 76px 1fr;
  }
}