:root {
  --bg: #071120;
  --bg-soft: #0d1b32;
  --panel: rgba(10, 23, 46, 0.82);
  --panel-strong: rgba(8, 18, 36, 0.92);
  --line: rgba(147, 190, 255, 0.18);
  --line-strong: rgba(147, 190, 255, 0.34);
  --text: #e8f0ff;
  --muted: #98add2;
  --accent: #79d1ff;
  --accent-strong: #25a8ff;
  --warm: #f4d68e;
  --ok: #8df2c0;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Georgia", "Times New Roman", serif;
  line-height: 1.6;
  background:
    radial-gradient(circle at 20% 15%, rgba(121, 209, 255, 0.16), transparent 24%),
    radial-gradient(circle at 80% 12%, rgba(141, 242, 192, 0.12), transparent 20%),
    radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.08), transparent 12%),
    linear-gradient(180deg, #030811 0%, #071120 34%, #0b1630 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.8) 0 1px, transparent 1.4px),
    radial-gradient(circle at 22% 68%, rgba(121, 209, 255, 0.75) 0 1px, transparent 1.5px),
    radial-gradient(circle at 76% 24%, rgba(255, 255, 255, 0.7) 0 1px, transparent 1.4px),
    radial-gradient(circle at 84% 72%, rgba(244, 214, 142, 0.7) 0 1.1px, transparent 1.4px),
    radial-gradient(circle at 46% 36%, rgba(255, 255, 255, 0.5) 0 1px, transparent 1.4px);
  opacity: 0.9;
}

body.modal-open {
  overflow: hidden;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(4, 10, 21, 0.74);
  border-bottom: 1px solid rgba(147, 190, 255, 0.12);
}

.nav-shell,
.section,
.site-footer {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.nav-shell {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 16px 0;
}

.brand-lockup {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  text-decoration: none;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(121, 209, 255, 0.92), rgba(37, 168, 255, 0.72));
  color: #03111f;
  font-weight: 700;
  box-shadow: 0 10px 26px rgba(37, 168, 255, 0.24);
}

.brand-name,
.footer-brandname {
  display: block;
  font-size: 1.12rem;
}

.brand-sub {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.top-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.96rem;
}

.top-nav a:hover,
.top-nav a:focus-visible {
  color: var(--text);
}

.btn {
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 420px);
  gap: 28px;
  padding: 72px 0 34px;
  align-items: center;
}

.hero-copy,
.orbit-card,
.free-tool,
.free-preview,
.plan-card,
.difference-card,
.focus-card,
.bazi-card,
.privacy-card {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 34px;
  border-radius: 8px;
}

.orbit-card {
  padding: 28px;
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(14, 33, 62, 0.94), rgba(7, 17, 32, 0.94)),
    radial-gradient(circle at top right, rgba(121, 209, 255, 0.18), transparent 36%);
}

.eyebrow,
.section-kicker,
.orbit-kicker,
.footer-grid h3 {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(2.6rem, 4vw, 4.6rem);
  line-height: 1.06;
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.8rem);
  line-height: 1.12;
}

.hero-text,
.section-heading p,
.orbit-card p,
.footer-brand p,
.focus-card p,
.plan-card p,
.difference-card p,
.privacy-card p,
.bazi-quote,
.helper-copy,
.template-note,
.guide-lead,
.guide-shell p,
.member-note {
  color: var(--muted);
}

.hero-proof {
  max-width: 52rem;
  margin-top: 16px;
  padding: 16px 18px;
  border-left: 3px solid rgba(121, 209, 255, 0.65);
  background: rgba(121, 209, 255, 0.08);
  color: #dce9ff;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 18px;
  text-decoration: none;
  font-weight: 600;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #03111f;
  background: linear-gradient(135deg, var(--accent), var(--ok));
}

.btn-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line);
}

.orbit-title {
  margin-top: 6px;
  font-size: 1.6rem;
}

.orbit-tags,
.signal-grid,
.preview-points,
.bazi-points {
  display: grid;
  gap: 12px;
}

.orbit-tags {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 20px;
}

.tag-chip,
.signal-chip {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.tag-chip strong,
.signal-chip strong,
.plan-card strong {
  display: block;
  color: var(--text);
}

.section {
  padding: 26px 0 34px;
}

.section-band {
  padding-top: 44px;
  padding-bottom: 44px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 20px;
}

.signal-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.signal-chip {
  min-height: 108px;
}

.free-layout,
.bazi-layout,
.room-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 420px);
  gap: 20px;
}

.free-tool,
.free-preview,
.bazi-card,
.reading-form,
.reading-output {
  border-radius: 8px;
  padding: 24px;
}

.reading-form,
.reading-output {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.purchase-message {
  margin: 0 0 18px;
  padding: 14px 16px;
  border-radius: 8px;
  border: 1px solid var(--line-strong);
  background: rgba(121, 209, 255, 0.12);
  color: var(--text);
}

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

.field {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
}

.field span {
  color: var(--text);
  font-size: 0.98rem;
}

.free-tool label,
.free-preview h3 {
  display: block;
  margin-bottom: 12px;
  font-size: 1.12rem;
}

select {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border-radius: 8px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font: inherit;
  color-scheme: dark;
}

select option {
  background: #13233f;
  color: var(--text);
}

.native-select {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 1px;
  height: 1px;
}

.field,
.free-tool {
  position: relative;
}

.custom-select {
  position: relative;
}

.custom-select-button {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border-radius: 8px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font: inherit;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  text-align: left;
  cursor: pointer;
}

.custom-select-button:hover,
.custom-select.open .custom-select-button {
  border-color: rgba(121, 209, 255, 0.48);
  background: rgba(255, 255, 255, 0.08);
}

.custom-select-caret {
  color: var(--accent);
  font-size: 0.95rem;
  flex: 0 0 auto;
}

.custom-select-list {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  z-index: 30;
  display: none;
  padding: 8px;
  border-radius: 12px;
  border: 1px solid rgba(121, 209, 255, 0.28);
  background: rgba(8, 18, 36, 0.98);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(16px);
}

.custom-select.open .custom-select-list {
  display: grid;
  gap: 6px;
}

.custom-select-option {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.custom-select-option:hover,
.custom-select-option.selected {
  background: rgba(37, 168, 255, 0.28);
  border-color: rgba(121, 209, 255, 0.38);
}

input {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border-radius: 8px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font: inherit;
  color-scheme: dark;
}

input::placeholder,
textarea::placeholder {
  color: rgba(232, 240, 255, 0.5);
}

input[type="date"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator {
  filter: invert(0.9) brightness(0.9);
  opacity: 0.85;
  cursor: pointer;
}

textarea {
  width: 100%;
  padding: 14px;
  border-radius: 8px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font: inherit;
  resize: vertical;
}

.free-result {
  min-height: 180px;
  margin-top: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
}

.result-card {
  font-size: 1.15rem;
  color: var(--warm);
}

.result-insight {
  margin: 10px 0 0;
  color: var(--text);
}

.result-next {
  margin-top: 10px;
  color: var(--muted);
}

.reading-output {
  min-height: 420px;
}

.helper-copy,
.template-note,
.member-note {
  margin-top: 14px;
}

.reading-placeholder {
  color: var(--muted);
}

.reading-result {
  display: grid;
  gap: 14px;
}

.reading-result h3 {
  font-size: 1.4rem;
}

.reading-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.reading-meta span {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(121, 209, 255, 0.12);
  color: var(--accent);
  border: 1px solid var(--line);
}

.reading-section {
  padding: 16px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
}

.reading-section strong {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
}

.reading-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.preview-point,
.bazi-point {
  padding: 14px 16px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
}

.plans-wrap {
  display: grid;
  gap: 18px;
}

.cards-grid,
.difference-grid,
.focus-grid,
.privacy-grid,
.footer-grid {
  display: grid;
  gap: 18px;
}

.cards-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.plan-card,
.difference-card,
.focus-card,
.privacy-card {
  border-radius: 8px;
  padding: 22px;
}

.plan-card .price {
  margin: 12px 0 6px;
  font-size: 1.8rem;
  color: var(--warm);
}

.plan-card .plan-type {
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.plan-features,
.focus-list {
  margin: 16px 0 18px;
  padding-left: 18px;
  color: var(--muted);
}

.difference-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.focus-grid,
.privacy-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.site-footer {
  padding: 52px 0 28px;
}

.member-shell {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.member-card,
.guide-shell {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: 8px;
}

.member-card {
  padding: 22px;
}

.member-form {
  margin-top: 16px;
}

.auth-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-modal[hidden] {
  display: none !important;
}

.auth-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 8, 18, 0.7);
  backdrop-filter: blur(10px);
}

.auth-dialog {
  position: relative;
  z-index: 1;
  width: min(980px, 100%);
  padding: 28px;
  border-radius: 16px;
  border: 1px solid rgba(121, 209, 255, 0.24);
  background:
    linear-gradient(180deg, rgba(12, 25, 49, 0.98), rgba(7, 17, 32, 0.98)),
    radial-gradient(circle at top right, rgba(121, 209, 255, 0.16), transparent 36%);
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.5);
}

.auth-close {
  position: absolute;
  top: 16px;
  right: 16px;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  cursor: pointer;
}

.auth-copy {
  max-width: 44rem;
  color: var(--muted);
}

.auth-panels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.auth-card {
  background: rgba(255, 255, 255, 0.035);
}

.auth-note {
  margin-top: 18px;
}

.guide-shell {
  max-width: 900px;
  margin: 36px auto;
  padding: 28px;
}

.guide-shell h1,
.guide-shell h2 {
  margin-bottom: 14px;
}

.guide-shell h2 {
  margin-top: 28px;
}

.guide-links,
.faq-shell {
  max-width: 900px;
  margin: 24px auto 0;
  padding: 28px;
  border-radius: 8px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.guide-link-grid,
.faq-grid {
  display: grid;
  gap: 16px;
}

.guide-link-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.guide-link-card,
.faq-item {
  padding: 18px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
}

.topic-hero {
  max-width: 900px;
  margin: 0 auto 24px;
  padding: 30px;
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(12, 25, 49, 0.96), rgba(7, 17, 32, 0.96)),
    radial-gradient(circle at top right, rgba(121, 209, 255, 0.16), transparent 36%);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  max-width: 1100px;
  margin: 0 auto;
}

.topic-card {
  padding: 22px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.topic-card p {
  color: var(--muted);
}

.topic-card .plan-type {
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topic-cta {
  margin-top: 18px;
}

.guide-link-card a {
  color: var(--text);
  text-decoration: none;
}

.guide-link-card a:hover,
.guide-link-card a:focus-visible {
  color: var(--accent);
}

.guide-link-card p,
.faq-item p {
  margin-bottom: 0;
}

.footer-grid {
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  padding-top: 20px;
  border-top: 1px solid rgba(147, 190, 255, 0.14);
}

.footer-brandline {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 18px;
}

.footer-links {
  display: grid;
  gap: 10px;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--text);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid rgba(147, 190, 255, 0.14);
  color: var(--muted);
}

@media (max-width: 1100px) {
  .signal-grid,
  .focus-grid,
  .privacy-grid,
  .member-shell {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cards-grid,
  .difference-grid,
  .footer-grid,
  .guide-link-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .nav-shell,
  .hero,
  .free-layout,
  .bazi-layout,
  .room-layout,
  .member-shell,
  .auth-panels {
    grid-template-columns: 1fr;
  }

  .nav-shell {
    justify-items: start;
  }

  .top-nav {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .site-header {
    position: static;
  }

  .cards-grid,
  .difference-grid,
  .signal-grid,
  .focus-grid,
  .privacy-grid,
  .footer-grid,
  .orbit-tags,
  .field-grid,
  .topic-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 2.2rem;
  }

  .hero-copy,
  .orbit-card,
  .auth-dialog {
    padding: 24px;
  }
}