:root {
  --navy: #071822;
  --navy-2: #102d43;
  --blue: #3157e3;
  --blue-deep: #2445c3;
  --blue-soft: #d7e0ff;
  --mint: #8de1cb;
  --signal: #8de1cb;
  --mint-deep: #087a66;
  --cream: #edf3f2;
  --paper: #f7f9f8;
  --white: #ffffff;
  --line: #d9ddd8;
  --muted: #5d6a72;
  --ok: #0e7658;
  --danger: #b42318;
  --shadow: 0 28px 80px rgba(8, 24, 38, .16);
  --shell: min(1240px, calc(100vw - 56px));
  --display: "Microsoft YaHei UI", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  --body: "Microsoft YaHei UI", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  color: var(--navy);
  background: var(--cream);
  font-family: var(--body);
  scroll-behavior: smooth;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 86px; }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--cream);
  color: var(--navy);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }
button, input { font: inherit; }
button, a, label { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
button { cursor: pointer; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 14px;
  left: 14px;
  padding: 11px 16px;
  background: var(--white);
  color: var(--navy);
  transform: translateY(-180%);
}
.skip-link:focus { transform: translateY(0); }

.shell { width: var(--shell); margin-inline: auto; }

.site-header {
  position: sticky;
  z-index: 30;
  top: 0;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
  background: rgba(8, 24, 38, .94);
  color: var(--white);
  backdrop-filter: blur(18px);
}

.header-inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  gap: 36px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  line-height: 1.1;
  text-decoration: none;
}
.brand-mark { width: 40px; height: 40px; flex: none; }
.brand-mark circle, .brand-mark path { fill: none; stroke: currentColor; stroke-width: 1.45; }
.brand-mark .brand-dot { fill: var(--mint); stroke: var(--mint); }
.brand strong { display: block; font-size: 18px; font-weight: 900; letter-spacing: .08em; }
.brand small {
  display: block;
  margin-top: 5px;
  color: #9fb1bf;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
  letter-spacing: .13em;
  text-transform: uppercase;
}

nav { display: flex; gap: 30px; margin-left: auto; }
nav a {
  position: relative;
  color: #c5d1d9;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: color .2s ease;
}
nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 2px;
  background: var(--mint);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .24s ease;
}
nav a:hover { color: var(--white); }
nav a:hover::after { transform: scaleX(1); transform-origin: left; }

.service-state {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 999px;
  background: rgba(255, 255, 255, .06);
  color: #c5d1d9;
  font-size: 12px;
  font-weight: 800;
}
.state-dot { width: 7px; height: 7px; border-radius: 50%; background: #7c8f9c; box-shadow: 0 0 0 4px rgba(124,143,156,.14); }
.state-dot.online { background: #58d0a4; box-shadow: 0 0 0 4px rgba(88,208,164,.13); }
.state-dot.offline { background: #ff766d; box-shadow: 0 0 0 4px rgba(255,118,109,.13); }

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 720px;
  display: grid;
  align-items: center;
  background: var(--navy);
  color: var(--white);
}
.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0;
  right: 0;
  width: 35vw;
  min-width: 360px;
  height: 58%;
  background: var(--mint);
}
.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  bottom: -190px;
  left: -140px;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(255,255,255,.025), 0 0 0 140px rgba(255,255,255,.018);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(440px, .95fr);
  gap: clamp(54px, 6vw, 96px);
  align-items: center;
  padding-block: 88px;
}
.hero-copy { position: relative; z-index: 2; }
.eyebrow {
  margin: 0 0 22px;
  color: #a9ead9;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .17em;
  text-transform: uppercase;
}
.eyebrow.dark { color: var(--mint-deep); }
.hero h1 {
  margin: 0;
  max-width: 760px;
  font-family: var(--display);
  font-size: clamp(54px, 6.8vw, 92px);
  font-weight: 900;
  letter-spacing: -.065em;
  line-height: 1.04;
}
.hero h1 span { color: var(--blue-soft); }
.hero-lead {
  max-width: 660px;
  margin: 30px 0 0;
  color: #cbd7df;
  font-size: 18px;
  line-height: 1.85;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }

.button {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 3px;
  font-weight: 900;
  text-decoration: none;
  transition: transform .2s ease, background-color .2s ease, border-color .2s ease, color .2s ease, box-shadow .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(0); }
.button:focus-visible, input:focus-visible, .drop-zone:focus-within, nav a:focus-visible, .brand:focus-visible, .dialog-close:focus-visible {
  outline: 3px solid #bff5e7;
  outline-offset: 4px;
}
.button-primary { background: var(--mint); color: var(--navy); box-shadow: 0 10px 26px rgba(63,181,151,.18); }
.button-primary:hover { background: #aaf0de; box-shadow: 0 14px 32px rgba(63,181,151,.24); }
.button-secondary { border-color: rgba(255,255,255,.34); background: rgba(255,255,255,.04); color: var(--white); }
.button-secondary:hover { border-color: var(--white); background: rgba(255,255,255,.1); }
.button-outline { border-color: #cbd2d5; background: transparent; color: var(--navy); }
.button-outline:hover { border-color: var(--navy); background: #eef0ed; }
.button-full { width: 100%; }
.button:disabled { cursor: not-allowed; transform: none; box-shadow: none; opacity: .45; }

.price-line {
  width: fit-content;
  max-width: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  margin: 24px 0 0;
  border: 1px solid rgba(255,255,255,.14);
  color: #b8c6cf;
  font-size: 12px;
}
.price-line strong, .price-line span { min-height: 42px; display: inline-flex; align-items: center; padding: 0 14px; }
.price-line strong { background: var(--blue); color: var(--white); font-size: 14px; }
.price-line span + span { border-left: 1px solid rgba(255,255,255,.14); }

.radar-panel {
  position: relative;
  z-index: 2;
  overflow: hidden;
  min-height: 540px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 3px 72px 3px 3px;
  background: var(--blue);
  box-shadow: 30px 36px 0 rgba(0,0,0,.18), 0 44px 100px rgba(0,0,0,.3);
}
.radar-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(145deg, rgba(255,255,255,.08), transparent 36%, rgba(0,0,0,.12));
}
.radar-heading {
  position: relative;
  z-index: 3;
  min-height: 68px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 24px;
  border-bottom: 1px solid rgba(255,255,255,.18);
}
.radar-heading span { color: #d3ddff; font-family: ui-monospace, monospace; font-size: 10px; letter-spacing: .16em; }
.radar-heading strong { font-size: 13px; letter-spacing: .04em; }
.radar-stage {
  position: relative;
  width: 350px;
  height: 350px;
  margin: 16px auto 0;
  border-radius: 50%;
  background: repeating-radial-gradient(circle, rgba(255,255,255,.23) 0 1px, transparent 1px 57px);
}
.radar-stage::before, .radar-stage::after { content: ""; position: absolute; background: rgba(255,255,255,.2); }
.radar-stage::before { top: 50%; left: 0; width: 100%; height: 1px; }
.radar-stage::after { top: 0; left: 50%; width: 1px; height: 100%; }
.radar-rings { position: absolute; inset: 16%; border: 1px dashed rgba(255,255,255,.24); border-radius: 50%; }
.radar-sweep {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(from 18deg, transparent 0 73%, rgba(141,225,203,.08) 81%, rgba(141,225,203,.88) 100%);
  animation: sweep 1.65s .25s cubic-bezier(.2,.75,.25,1) both;
}
.signal { position: absolute; z-index: 2; display: inline-flex; align-items: center; gap: 7px; color: var(--white); font-family: ui-monospace, monospace; font-size: 10px; letter-spacing: .05em; }
.signal i { width: 9px; height: 9px; border: 2px solid #c9f7eb; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 6px rgba(141,225,203,.2); }
.signal-a { top: 27%; left: 18%; }
.signal-b { top: 54%; right: 9%; }
.signal-c { bottom: 21%; left: 25%; }
@keyframes sweep { from { transform: rotate(-82deg); } to { transform: rotate(278deg); } }

.ledger-lines {
  position: absolute;
  right: 20px;
  bottom: 20px;
  left: 20px;
  z-index: 3;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(7, 25, 52, .78);
  backdrop-filter: blur(10px);
}
.ledger-lines span { min-height: 36px; display: grid; grid-template-columns: 30px 1fr 90px 60px; align-items: center; padding: 0 11px; border-bottom: 1px solid rgba(255,255,255,.1); color: #c5d5ee; font-family: ui-monospace, monospace; font-size: 9px; }
.ledger-lines span:last-child { border-bottom: 0; }
.ledger-lines i { color: #7897cb; font-style: normal; }
.ledger-lines b { color: var(--white); font-weight: 700; }
.ledger-lines em { font-style: normal; }
.ledger-lines mark { padding: 2px 4px; background: transparent; color: #87dfc0; }
.ledger-lines .flag { color: #ffc08f; }

.scope-strip { background: var(--paper); }
.scope-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.scope-grid div {
  min-height: 152px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 28px;
}
.scope-grid div:nth-child(1) { background: var(--mint); color: var(--navy); }
.scope-grid div:nth-child(2) { background: var(--cream); color: var(--navy); }
.scope-grid div:nth-child(3) { background: var(--blue); color: var(--white); }
.scope-grid div:nth-child(4) { background: var(--white); color: var(--navy); }
.scope-grid strong { font-family: ui-monospace, monospace; font-size: clamp(26px, 3vw, 40px); line-height: 1; letter-spacing: -.06em; }
.scope-grid span { font-size: 12px; font-weight: 800; letter-spacing: .04em; opacity: .72; }

.section { padding: 118px 0; }
.section-heading { max-width: 900px; }
.section-heading h2, .preflight-copy h2, .privacy-section h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(38px, 5vw, 64px);
  font-weight: 900;
  letter-spacing: -.055em;
  line-height: 1.16;
}
.section-heading > p:last-child, .preflight-copy > p { max-width: 720px; margin: 22px 0 0; color: var(--muted); font-size: 17px; }

#modules { background: var(--paper); }
.module-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 58px; }
.module-card {
  position: relative;
  overflow: hidden;
  min-height: 330px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 34px;
  border: 0;
  border-radius: 3px;
  transition: transform .24s ease, box-shadow .24s ease;
}
.module-card::after { content: ""; position: absolute; right: -54px; bottom: -54px; width: 150px; height: 150px; border: 1px solid currentColor; border-radius: 50%; opacity: .12; box-shadow: 0 0 0 34px currentColor; }
.module-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.module-card:nth-child(1) { background: var(--mint); color: var(--navy); }
.module-card:nth-child(2) { background: var(--navy); color: var(--white); }
.module-card:nth-child(3) { background: var(--blue); color: var(--white); }
.module-card:nth-child(4) { background: var(--cream); color: var(--navy); border: 1px solid #d8d8cf; }
.module-code {
  align-self: flex-start;
  padding: 7px 9px;
  border: 1px solid currentColor;
  border-radius: 0;
  background: transparent;
  color: inherit;
  font-family: ui-monospace, monospace;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .1em;
}
.module-card h3 { margin: auto 0 13px; padding-top: 74px; font-size: clamp(25px, 3vw, 38px); line-height: 1.15; letter-spacing: -.04em; }
.module-card p { position: relative; z-index: 2; max-width: 510px; margin: 0; color: inherit; font-size: 15px; opacity: .76; }

.preflight-section { position: relative; isolation: isolate; overflow: hidden; background: var(--blue); color: var(--white); }
.preflight-section::before { content: ""; position: absolute; z-index: -1; top: 0; right: 0; width: 47%; height: 100%; background: var(--navy); }
.preflight-layout { display: grid; grid-template-columns: minmax(0,.82fr) minmax(520px,1.18fr); gap: clamp(52px, 7vw, 110px); align-items: start; }
.preflight-copy { position: sticky; top: 122px; }
.preflight-copy .eyebrow.dark { color: #c9f7eb; }
.preflight-copy > p { color: #d7e1ff; }
.check-list { display: grid; gap: 15px; margin: 34px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 30px; color: #e2e9ff; font-size: 14px; }
.check-list li::before { content: ""; position: absolute; top: 8px; left: 2px; width: 10px; height: 6px; border-bottom: 2px solid #baf2e3; border-left: 2px solid #baf2e3; transform: rotate(-45deg); }

.preflight-card { padding: 38px; border: 0; border-radius: 3px 44px 3px 3px; background: var(--paper); color: var(--navy); box-shadow: 24px 28px 0 rgba(0,0,0,.16), 0 36px 100px rgba(0,0,0,.28); }
.field-row { display: grid; gap: 9px; margin-bottom: 20px; }
.field-row label { color: #31434e; font-size: 13px; font-weight: 900; }
.field-row input { width: 100%; min-height: 54px; padding: 0 15px; border: 1px solid #c8cecd; border-radius: 2px; background: var(--white); color: var(--navy); }
.field-row input:hover { border-color: #81909a; }
.date-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.drop-zone {
  position: relative;
  min-height: 188px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px;
  border: 1.5px dashed #8e9da4;
  border-radius: 2px;
  background: var(--cream);
  cursor: pointer;
  text-align: center;
  transition: border-color .2s ease, background-color .2s ease, transform .2s ease;
}
.drop-zone:hover, .drop-zone.dragging { border-color: var(--blue); background: #e7edff; transform: translateY(-2px); }
.drop-zone input { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
.drop-zone svg { width: 34px; height: 34px; margin-bottom: 14px; fill: none; stroke: var(--blue); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.drop-zone strong { font-size: 16px; }
.drop-zone span { margin-top: 6px; color: var(--muted); font-size: 12px; }
.file-results { display: grid; gap: 8px; margin: 15px 0; }
.empty-result { margin: 0; padding: 12px; color: var(--muted); font-size: 12px; text-align: center; }
.file-row { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 12px; align-items: center; padding: 12px 13px; border: 1px solid var(--line); background: var(--white); }
.file-row strong { overflow: hidden; display: block; font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.file-row span, .file-row code { display: block; color: var(--muted); font-size: 10px; }
.file-row code { max-width: 360px; overflow: hidden; font-family: ui-monospace, monospace; text-overflow: ellipsis; white-space: nowrap; }
.file-status { color: var(--ok) !important; font-weight: 900; }
.file-status.error { color: var(--danger) !important; }
.form-message { min-height: 24px; margin: 0 0 9px; color: var(--danger); font-size: 12px; }
.microcopy { margin: 13px 0 0; color: var(--muted); font-size: 11px; text-align: center; }

.scan-progress, .scan-result { margin-top: 22px; padding: 22px; border: 1px solid var(--line); background: var(--cream); }
.scan-progress[hidden], .scan-result[hidden] { display: none; }
.progress-head { display: flex; justify-content: space-between; gap: 20px; font-size: 13px; }
.progress-head span { color: var(--blue); font-family: ui-monospace, monospace; font-weight: 900; }
.progress-track { height: 8px; margin-top: 13px; overflow: hidden; background: #d6dcd9; }
.progress-track span { width: 0; height: 100%; display: block; background: var(--blue); transition: width .35s ease; }
.scan-progress p { margin: 11px 0 0; color: var(--muted); font-size: 12px; }
.scan-result { border-color: #9bd8c8; background: #eaf9f5; }
.scan-result h3 { margin: 0; font-size: 17px; }
.scan-result h3 > strong { display: block; margin-top: 7px; color: var(--navy); font-family: ui-monospace, monospace; font-size: 38px; }
.result-metrics { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; margin-top: 19px; }
.result-metrics span { padding: 13px; border: 1px solid #b9ddd4; color: var(--muted); font-size: 10px; }
.result-metrics strong { display: block; margin-top: 4px; color: var(--navy); font-size: 13px; }
.result-actions { display: flex; gap: 10px; margin-top: 19px; }

.payment-dialog { width: min(460px, calc(100vw - 28px)); padding: 36px; border: 0; border-radius: 3px 38px 3px 3px; color: var(--navy); box-shadow: 0 34px 110px rgba(3,16,28,.46); text-align: center; }
.payment-dialog::backdrop { background: rgba(4,18,32,.78); backdrop-filter: blur(7px); }
.payment-dialog h2 { margin: 0; font-size: 30px; letter-spacing: -.03em; }
.payment-dialog > p:not(.eyebrow):not(.payment-state) { margin: 13px 0 20px; color: var(--muted); font-size: 13px; }
.payment-dialog img { display: block; width: min(280px,100%); height: auto; margin: 0 auto 20px; border: 12px solid var(--white); box-shadow: 0 0 0 1px var(--line); }
.dialog-close { position: absolute; top: 12px; right: 14px; width: 44px; height: 44px; border: 0; background: transparent; color: var(--muted); font-size: 27px; }
.payment-state { margin: 15px 0 0; color: var(--muted); font-size: 11px; }

.privacy-section { background: var(--cream); color: var(--navy); }
.privacy-section .eyebrow { color: var(--mint-deep); }
.privacy-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 86px; align-items: center; }
.privacy-list { display: grid; grid-template-columns: 1fr 1fr; }
.privacy-list article { min-height: 154px; display: flex; flex-direction: column; justify-content: space-between; padding: 28px; border: 1px solid #cfd4cf; margin: -1px 0 0 -1px; background: var(--paper); }
.privacy-list article:nth-child(2), .privacy-list article:nth-child(4) { background: var(--navy); color: var(--white); border-color: var(--navy); }
.privacy-list article:last-child { grid-column: 1 / -1; min-height: 118px; background: var(--mint); color: var(--navy); border-color: var(--mint); }
.privacy-list strong { font-size: 24px; letter-spacing: -.03em; }
.privacy-list span { margin-top: 12px; color: inherit; font-size: 13px; opacity: .72; }

.site-footer { padding: 34px 0; border-top: 1px solid rgba(255,255,255,.1); background: #05111c; color: #dce6ee; }
.footer-inner { display: flex; justify-content: space-between; gap: 28px; align-items: center; }
.footer-inner p { margin: 0; }
.footer-inner strong, .footer-inner span { display: block; }
.footer-inner strong { font-size: 14px; }
.footer-inner span, .footer-meta { margin-top: 4px; color: #879ca9; font-size: 11px; }

.toast { position: fixed; z-index: 60; right: 24px; bottom: 24px; max-width: min(390px, calc(100vw - 48px)); padding: 14px 17px; background: var(--white); color: var(--navy); box-shadow: var(--shadow); font-size: 13px; font-weight: 800; opacity: 0; pointer-events: none; transform: translateY(12px); transition: opacity .2s ease, transform .2s ease; }
.toast.show { opacity: 1; transform: translateY(0); }

@keyframes enter-up { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: translateY(0); } }
.hero-copy > * { animation: enter-up .55s both cubic-bezier(.2,.75,.25,1); }
.hero-copy > *:nth-child(2) { animation-delay: .06s; }
.hero-copy > *:nth-child(3) { animation-delay: .12s; }
.hero-copy > *:nth-child(4) { animation-delay: .18s; }
.hero-copy > *:nth-child(5) { animation-delay: .24s; }
.radar-panel { animation: enter-up .7s .16s both cubic-bezier(.2,.75,.25,1); }

@media (max-width: 1020px) {
  nav { display: none; }
  .service-state { margin-left: auto; }
  .hero { min-height: auto; }
  .hero::before { width: 28vw; height: 34%; }
  .hero-grid { grid-template-columns: 1fr; gap: 64px; padding-block: 76px 96px; }
  .radar-panel { max-width: 680px; width: 100%; justify-self: center; }
  .preflight-section::before { display: none; }
  .preflight-layout { grid-template-columns: 1fr; gap: 52px; }
  .preflight-copy { position: static; max-width: 760px; }
  .preflight-card { max-width: 760px; width: 100%; justify-self: center; }
  .privacy-grid { grid-template-columns: 1fr; gap: 50px; }
}

@media (max-width: 720px) {
  :root { --shell: min(100% - 30px, 1240px); }
  html { scroll-padding-top: 70px; }
  .header-inner { min-height: 70px; gap: 16px; }
  .brand strong { font-size: 16px; }
  .brand small { display: none; }
  .service-state { padding: 0 10px; }
  .service-state span:last-child { max-width: 76px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .hero::before { top: auto; right: -80px; bottom: 0; width: 250px; min-width: 0; height: 250px; }
  .hero-grid { gap: 50px; padding-block: 58px 76px; }
  .hero h1 { font-size: clamp(44px, 13vw, 64px); line-height: 1.06; }
  .hero-lead { font-size: 16px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; min-height: 56px; }
  .price-line { width: 100%; }
  .price-line strong, .price-line span { flex: 1 1 auto; justify-content: center; }
  .radar-panel { min-height: 475px; border-radius: 3px 44px 3px 3px; box-shadow: 16px 18px 0 rgba(0,0,0,.17); }
  .radar-stage { width: 285px; height: 285px; }
  .scope-grid { grid-template-columns: 1fr 1fr; }
  .scope-grid div { min-height: 126px; padding: 21px; }
  .section { padding: 82px 0; }
  .section-heading h2, .preflight-copy h2, .privacy-section h2 { font-size: 40px; }
  .module-grid { grid-template-columns: 1fr; }
  .module-card { min-height: 280px; padding: 28px; }
  .module-card h3 { padding-top: 54px; }
  .preflight-card { padding: 24px; border-radius: 3px 30px 3px 3px; box-shadow: 14px 16px 0 rgba(0,0,0,.15); }
  .date-grid { grid-template-columns: 1fr; gap: 0; }
  .drop-zone { min-height: 168px; }
  .privacy-list { grid-template-columns: 1fr; }
  .privacy-list article:last-child { grid-column: auto; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
  .result-metrics { grid-template-columns: 1fr; }
  .result-actions { flex-direction: column; }
  .payment-dialog { padding: 28px 22px; }
}

@media (max-width: 410px) {
  .brand-mark { width: 34px; height: 34px; }
  .service-state { font-size: 11px; }
  .hero h1 { font-size: 42px; }
  .price-line strong, .price-line span { flex-basis: 100%; min-height: 38px; }
  .price-line span + span { border-top: 1px solid rgba(255,255,255,.14); border-left: 0; }
  .radar-stage { width: 250px; height: 250px; }
  .ledger-lines span { grid-template-columns: 26px 1fr 72px 54px; }
}

@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* SHUCE UNIFIED RETURN HOME */
#shuce-home-return {
  box-sizing: border-box !important;
  width: 148px !important;
  height: 54px !important;
  padding: 8px 13px 8px 9px !important;
  display: flex !important;
  align-items: center !important;
  gap: 10px !important;
  position: fixed !important;
  right: max(18px, env(safe-area-inset-right)) !important;
  bottom: max(18px, env(safe-area-inset-bottom)) !important;
  z-index: 2147483646 !important;
  color: #f7fbff !important;
  background: linear-gradient(135deg, rgba(6, 25, 58, .96), rgba(8, 55, 103, .94)) !important;
  border: 1px solid rgba(101, 218, 255, .52) !important;
  border-radius: 17px !important;
  box-shadow: 0 14px 34px rgba(0, 10, 31, .34), inset 0 1px 0 rgba(255, 255, 255, .12) !important;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif !important;
  line-height: 1 !important;
  text-decoration: none !important;
  -webkit-backdrop-filter: blur(14px) !important;
  backdrop-filter: blur(14px) !important;
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease !important;
}
#shuce-home-return:hover {
  color: #fff !important;
  border-color: #62ddff !important;
  box-shadow: 0 17px 40px rgba(0, 10, 31, .42), 0 0 24px rgba(62, 205, 255, .16) !important;
  transform: translateY(-3px) !important;
}
#shuce-home-return:focus-visible { outline: 2px solid #66e3ff !important; outline-offset: 3px !important; }
#shuce-home-return .shuce-home-icon {
  box-sizing: border-box !important;
  width: 36px !important;
  height: 36px !important;
  display: grid !important;
  place-items: center !important;
  flex: 0 0 auto !important;
  color: #071a33 !important;
  background: linear-gradient(145deg, #76e8ff, #28afd9) !important;
  border-radius: 11px !important;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .55) !important;
}
#shuce-home-return .shuce-home-icon svg { width: 20px !important; height: 20px !important; display: block !important; }
#shuce-home-return .shuce-home-copy { min-width: 0 !important; display: grid !important; gap: 4px !important; }
#shuce-home-return .shuce-home-copy small {
  color: rgba(126, 225, 255, .76) !important;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace !important;
  font-size: 7px !important;
  font-weight: 700 !important;
  letter-spacing: .12em !important;
  white-space: nowrap !important;
}
#shuce-home-return .shuce-home-copy strong {
  color: #fff !important;
  font-size: 13px !important;
  font-weight: 750 !important;
  letter-spacing: .04em !important;
  white-space: nowrap !important;
}
@media (max-width: 640px) {
  #shuce-home-return {
    width: 52px !important;
    height: 52px !important;
    padding: 0 !important;
    justify-content: center !important;
    border-radius: 16px !important;
  }
  #shuce-home-return .shuce-home-icon { width: 34px !important; height: 34px !important; }
  #shuce-home-return .shuce-home-copy { display: none !important; }
}
@media (prefers-reduced-motion: reduce) {
  #shuce-home-return { transition: none !important; }
}