:root {
  --feng-deep: #071f36;
  --feng-navy: #0c3557;
  --feng-blue: #176b9c;
  --feng-cyan: #4bb8c7;
  --feng-sea: #dceff4;
  --feng-mist: #f3f8fa;
  --feng-line: #c8dde5;
  --feng-ink: #17344a;
  --feng-muted: #587184;
  --feng-warm: #c8933f;
  --feng-red: #ad4a43;
  --feng-green: #4f806d;
}

html { scroll-behavior: smooth; }
body { background: #f7fafb; color: var(--feng-ink); }
#services,
#qimen,
#audit,
#automated-audit,
#requirements,
#order { scroll-margin-top: 76px; }

.feng-service-note a { color: #d9f3f6; text-underline-offset: 3px; }

.qimen-section {
  position: relative;
  overflow: hidden;
  padding: clamp(72px, 8vw, 112px) 0;
  color: #d7e8ee;
  background:
    radial-gradient(circle at 86% 7%, rgba(75, 184, 199, .16), transparent 25%),
    linear-gradient(145deg, #061a2d 0%, #082a46 58%, #0b3f5c 100%);
}
.qimen-section::before {
  position: absolute;
  inset: 0;
  opacity: .16;
  background-image:
    linear-gradient(rgba(157, 215, 225, .22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(157, 215, 225, .22) 1px, transparent 1px);
  background-size: 54px 54px;
  content: "";
  pointer-events: none;
}
.qimen-section > .shell { position: relative; z-index: 1; }
.qimen-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, .85fr);
  gap: clamp(38px, 6vw, 84px);
  align-items: end;
}
.qimen-intro { max-width: 760px; }
.qimen-intro h2,
.qimen-results-head h2,
.qimen-reference-head h2 {
  margin: 0;
  color: #fff;
  font: 500 clamp(36px, 4.8vw, 61px)/1.04 var(--display-font);
  letter-spacing: -.032em;
}
.qimen-intro > p {
  max-width: 720px;
  margin: 24px 0 0;
  color: #b9d1db;
  font-size: 16px;
  line-height: 1.78;
}
.qimen-method-ledger {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 36px 0 0;
  border-top: 1px solid rgba(161, 211, 221, .28);
  border-bottom: 1px solid rgba(161, 211, 221, .28);
}
.qimen-method-ledger > div { padding: 18px 15px 18px 0; }
.qimen-method-ledger dt {
  color: #6fabbc;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.qimen-method-ledger dd {
  margin: 7px 0 0;
  color: #eef8fa;
  font-size: 12px;
  line-height: 1.45;
}
.qimen-form {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
  gap: 18px;
  padding: clamp(24px, 3vw, 34px);
  border-top: 4px solid var(--feng-cyan);
  color: var(--feng-ink);
  background: #f8fcfd;
  box-shadow: 0 24px 58px rgba(0, 7, 18, .3);
}
.qimen-form-head { grid-column: 1 / -1; padding-bottom: 18px; border-bottom: 1px solid var(--feng-line); }
.qimen-form-head span,
.qimen-results-head span,
.qimen-reference-head > span,
.qimen-combination-controls > span {
  display: block;
  color: var(--feng-blue);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.qimen-form-head strong { display: block; margin-top: 6px; color: var(--feng-deep); font: 500 26px/1.15 var(--display-font); }
.qimen-field > label,
.qimen-combination-controls label > span {
  display: block;
  margin-bottom: 8px;
  color: var(--feng-muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.qimen-field { position: relative; min-width: 0; }
.qimen-field > small {
  display: block;
  margin-top: 7px;
  color: var(--feng-muted);
  font-size: 9px;
  line-height: 1.45;
}
.qimen-form input,
.qimen-combination-controls select {
  width: 100%;
  min-height: 49px;
  padding: 0 13px;
  border: 1px solid var(--feng-line);
  border-radius: 0;
  color: var(--feng-deep);
  background: #fff;
  font: 600 14px/1.2 var(--body-font);
}
.qimen-form input:focus,
.qimen-combination-controls select:focus { outline: 2px solid var(--feng-cyan); outline-offset: 2px; }
.qimen-date-control {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
}
.qimen-date-control input { border-right: 0; }
.qimen-date-trigger {
  min-width: 72px;
  min-height: 49px;
  padding: 0 10px;
  border: 1px solid var(--feng-line);
  color: #fff;
  background: var(--feng-blue);
  font: 800 10px/1 var(--body-font);
  letter-spacing: .04em;
  cursor: pointer;
}
.qimen-date-trigger:hover { background: var(--feng-navy); }
.qimen-date-trigger:active { transform: translateY(1px); }
.qimen-date-trigger:focus-visible { outline: 2px solid var(--feng-cyan); outline-offset: 2px; }
.qimen-calendar {
  position: absolute;
  z-index: 20;
  top: calc(100% + 10px);
  left: 0;
  width: min(370px, calc(100vw - 48px));
  padding: 18px;
  border: 1px solid #9fc4d1;
  color: var(--feng-ink);
  background: #fff;
  box-shadow: 0 22px 52px rgba(3, 27, 48, .24);
}
.qimen-calendar[hidden] { display: none; }
.qimen-calendar button {
  border: 0;
  color: var(--feng-blue);
  background: transparent;
  font: 800 10px/1 var(--body-font);
  cursor: pointer;
}
.qimen-calendar button:focus-visible { outline: 2px solid var(--feng-cyan); outline-offset: 1px; }
.qimen-calendar-head {
  display: grid;
  grid-template-columns: 54px 1fr 54px;
  gap: 10px;
  align-items: center;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--feng-line);
}
.qimen-calendar-head button { min-height: 34px; padding: 0 6px; }
.qimen-calendar-head button:first-child { text-align: left; }
.qimen-calendar-head button:last-child { text-align: right; }
.qimen-calendar-head strong {
  color: var(--feng-deep);
  font: 500 19px/1.15 var(--display-font);
  text-align: center;
}
.qimen-calendar-weekdays,
.qimen-calendar-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 3px;
}
.qimen-calendar-weekdays { margin-top: 14px; }
.qimen-calendar-weekdays span {
  padding: 5px 0;
  color: var(--feng-muted);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: .04em;
  text-align: center;
  text-transform: uppercase;
}
.qimen-calendar-days { margin-top: 4px; }
.qimen-calendar-days > span,
.qimen-calendar-day {
  display: grid;
  min-width: 0;
  min-height: 36px;
  place-items: center;
}
.qimen-calendar .qimen-calendar-day {
  color: var(--feng-deep);
  font-size: 12px;
  font-weight: 700;
}
.qimen-calendar .qimen-calendar-day:hover { background: var(--feng-sea); }
.qimen-calendar .qimen-calendar-day.is-today { box-shadow: inset 0 0 0 1px #85bdcb; }
.qimen-calendar .qimen-calendar-day.is-selected {
  color: #fff;
  background: var(--feng-blue);
  box-shadow: none;
}
.qimen-calendar-foot {
  display: flex;
  justify-content: space-between;
  margin-top: 13px;
  padding-top: 13px;
  border-top: 1px solid var(--feng-line);
}
.qimen-calendar-foot button { min-height: 34px; padding: 0 4px; }
.qimen-form-actions { display: flex; grid-column: 1 / -1; gap: 12px; align-items: center; }
.qimen-now {
  min-height: 46px;
  padding: 0 6px;
  border: 0;
  color: var(--feng-blue);
  background: transparent;
  font-size: 11px;
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 4px;
  cursor: pointer;
}
.qimen-form-note,
.qimen-status {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--feng-muted);
  font-size: 11px;
  line-height: 1.6;
}
.qimen-status { min-height: 18px; color: var(--feng-blue); font-weight: 700; }
.qimen-empty {
  display: flex;
  gap: 20px;
  align-items: center;
  margin-top: 48px;
  padding: 20px 22px;
  border: 1px solid rgba(144, 199, 210, .24);
  background: rgba(4, 25, 44, .5);
}
.qimen-empty[hidden] { display: none; }
.qimen-empty-grid { display: grid; flex: 0 0 52px; grid-template-columns: repeat(3, 1fr); gap: 2px; }
.qimen-empty-grid i { aspect-ratio: 1; border: 1px solid rgba(135, 216, 226, .45); }
.qimen-empty p { margin: 0; }
.qimen-empty span { display: block; color: #77c8d4; font-size: 9px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.qimen-empty strong { display: block; margin-top: 5px; color: #e4f1f4; font-size: 13px; }

.qimen-results {
  margin-top: 42px;
  padding: clamp(25px, 4vw, 50px);
  color: var(--feng-ink);
  background: #f5fafb;
  box-shadow: 0 26px 64px rgba(0, 7, 18, .34);
}
.qimen-results[hidden] { display: none; }
.qimen-results-head { display: flex; justify-content: space-between; gap: 30px; align-items: end; }
.qimen-results-head h2 { margin-top: 8px; color: var(--feng-deep); font-size: clamp(34px, 4vw, 48px); }
.qimen-results-head > p { max-width: 440px; margin: 0; color: var(--feng-muted); font-size: 13px; line-height: 1.7; }
.qimen-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 34px;
  border: 1px solid var(--feng-line);
}
.qimen-summary-item { min-height: 105px; padding: 19px; border-right: 1px solid var(--feng-line); border-bottom: 1px solid var(--feng-line); background: #fff; }
.qimen-summary-item:nth-child(3n) { border-right: 0; }
.qimen-summary-item:nth-last-child(-n+3) { border-bottom: 0; }
.qimen-summary-item.is-emphasis { background: #e7f5f8; }
.qimen-summary-item span { display: block; color: var(--feng-muted); font-size: 9px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.qimen-summary-item strong { display: block; margin-top: 10px; color: var(--feng-deep); font-size: 14px; line-height: 1.45; }
.qimen-workspace { display: grid; grid-template-columns: minmax(650px, 1.18fr) minmax(300px, .82fr); gap: 24px; margin-top: 28px; align-items: start; }
.qimen-chart-scroll { overflow-x: auto; border: 1px solid #b8d3dc; background: #dcebf0; }
.qimen-grid { display: grid; min-width: 650px; grid-template-columns: repeat(3, 1fr); gap: 1px; background: #b8d3dc; }
.qimen-palace {
  position: relative;
  display: block;
  min-width: 0;
  min-height: 258px;
  padding: 17px;
  border: 0;
  border-radius: 0;
  color: var(--feng-ink);
  text-align: left;
  background: #fafdfe;
  cursor: pointer;
  transition: background .18s ease, box-shadow .18s ease;
}
.qimen-palace:hover { background: #eff8fa; }
.qimen-palace:focus-visible { z-index: 2; outline: 3px solid var(--feng-cyan); outline-offset: -3px; }
.qimen-palace.is-selected { z-index: 1; background: #e2f3f6; box-shadow: inset 0 0 0 3px var(--feng-cyan); }
.qimen-palace-head { display: flex; justify-content: space-between; gap: 10px; padding-bottom: 13px; border-bottom: 1px solid var(--feng-line); }
.qimen-palace-head span { color: var(--feng-muted); font-size: 8px; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.qimen-palace-head b { color: var(--feng-blue); font-size: 12px; }
.qimen-palace-layer { display: flex; justify-content: space-between; gap: 10px; padding: 9px 0; border-bottom: 1px solid #dce9ed; }
.qimen-palace-layer span { color: #79909f; font-size: 8px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.qimen-palace-layer strong { color: var(--feng-deep); font-size: 11px; text-align: right; }
.qimen-palace-layer.is-gate strong { color: #a35d17; }
.qimen-palace-layer.is-star strong { color: #17658e; }
.qimen-palace-flags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 10px; }
.qimen-palace-flags span { padding: 4px 6px; color: #755517; background: #fff0c9; font-size: 7px; font-weight: 900; letter-spacing: .04em; text-transform: uppercase; }
.qimen-palace-flags span.is-critical { color: #7f2823; background: #f8d9d5; }
.qimen-detail { position: sticky; top: 88px; min-height: 680px; border-top: 4px solid var(--feng-blue); background: #fff; box-shadow: 0 12px 32px rgba(21, 60, 82, .12); }
.qimen-detail-head { padding: 24px; border-bottom: 1px solid var(--feng-line); }
.qimen-detail-head > span,
.qimen-detail-block > span { color: var(--feng-blue); font-size: 9px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.qimen-detail-head h3 { margin: 7px 0 0; color: var(--feng-deep); font: 500 31px/1.1 var(--display-font); }
.qimen-detail-head p { margin: 10px 0 0; color: var(--feng-muted); font-size: 11px; line-height: 1.6; }
.qimen-detail-content { display: grid; }
.qimen-detail-block { padding: 20px 24px; border-bottom: 1px solid var(--feng-line); }
.qimen-detail-block h4 { margin: 7px 0 0; color: var(--feng-deep); font: 500 18px/1.2 var(--display-font); }
.qimen-detail-block p { margin: 9px 0 0; color: var(--feng-muted); font-size: 11px; line-height: 1.7; }
.qimen-convention { margin-top: 24px; padding: 22px 24px; border-left: 4px solid var(--feng-warm); background: #fff7e8; }
.qimen-convention strong { color: #6c4a13; font-size: 12px; }
.qimen-convention p { margin: 7px 0 0; color: #765f39; font-size: 11px; line-height: 1.65; }

.qimen-reference { margin-top: 86px; }
.qimen-reference-head { max-width: 850px; }
.qimen-reference-head h2 { margin-top: 12px; font-size: clamp(34px, 4.3vw, 54px); }
.qimen-reference-head p { max-width: 700px; margin: 19px 0 0; color: #b7cfd8; font-size: 15px; line-height: 1.75; }
.qimen-symbol-library { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 38px; }
.qimen-symbol-group { min-width: 0; border-top: 3px solid var(--feng-cyan); color: var(--feng-ink); background: #f7fbfc; }
.qimen-symbol-group > header { padding: 22px; border-bottom: 1px solid var(--feng-line); }
.qimen-symbol-group > header span { color: var(--feng-blue); font-size: 8px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.qimen-symbol-group > header h3 { margin: 7px 0 0; color: var(--feng-deep); font: 500 25px/1.2 var(--display-font); }
.qimen-symbol-item { border-bottom: 1px solid var(--feng-line); background: #fff; }
.qimen-symbol-item:last-child { border-bottom: 0; }
.qimen-symbol-item summary { display: flex; justify-content: space-between; gap: 12px; padding: 16px 19px; cursor: pointer; list-style: none; }
.qimen-symbol-item summary::-webkit-details-marker { display: none; }
.qimen-symbol-item summary strong { color: var(--feng-deep); font-size: 13px; }
.qimen-symbol-item summary span { color: var(--feng-muted); font-size: 9px; text-align: right; }
.qimen-symbol-item summary::after { color: var(--feng-blue); content: "+"; font-size: 16px; }
.qimen-symbol-item[open] summary::after { content: "−"; }
.qimen-symbol-item > div { border-top: 1px solid #e2edf0; }
.qimen-symbol-item .qimen-detail-block { padding: 15px 19px; }
.qimen-combination-explorer { display: grid; grid-template-columns: minmax(270px, .72fr) minmax(0, 1.28fr); margin-top: 18px; color: var(--feng-ink); background: #fff; }
.qimen-combination-controls { display: grid; gap: 16px; padding: clamp(24px, 3vw, 36px); border-right: 1px solid var(--feng-line); background: #e9f5f7; }
.qimen-combination-controls h3 { margin: -6px 0 5px; color: var(--feng-deep); font: 500 29px/1.15 var(--display-font); }
.qimen-combination-result { padding: clamp(24px, 3vw, 38px); }
.qimen-combination-result > h3 { margin: 0; color: var(--feng-deep); font: 500 31px/1.15 var(--display-font); }
.qimen-combination-result > p { margin: 13px 0 0; color: var(--feng-muted); font-size: 13px; line-height: 1.7; }
.qimen-combination-result .qimen-detail-block { margin-top: 18px; padding: 18px 0 0; border-top: 1px solid var(--feng-line); border-bottom: 0; }

.feng-services-hero {
  padding: clamp(58px, 7vw, 88px) 0 48px;
  color: #fff;
  background: var(--feng-deep);
}
.feng-services-intro {
  max-width: 820px;
  margin-bottom: 38px;
}
.feng-services-intro .feng-kicker { margin-bottom: 14px; }
.feng-services-intro h1 {
  max-width: 780px;
  margin: 0;
  color: #fff;
  font: 500 clamp(42px, 5.4vw, 70px)/1.02 var(--display-font);
  letter-spacing: -.035em;
}
.feng-services-intro > p {
  max-width: 720px;
  margin: 22px 0 0;
  color: #bed5df;
  font-size: 17px;
  line-height: 1.72;
}
.feng-service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.feng-service-card {
  display: flex;
  min-width: 0;
  min-height: 408px;
  flex-direction: column;
  padding: clamp(25px, 3vw, 36px);
  border: 1px solid #9fc4d1;
  color: var(--feng-ink);
  background: #fff;
  box-shadow: 0 18px 48px rgba(0, 14, 28, .22);
}
.feng-service-card.is-ai {
  border-color: var(--feng-cyan);
  background: #f3fbfd;
}
.feng-service-topline,
.feng-service-title-row,
.feng-service-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.feng-service-topline {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--feng-line);
  color: var(--feng-blue);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.feng-service-topline b {
  color: var(--feng-green);
  font-size: 10px;
  letter-spacing: .04em;
}
.feng-service-card.is-manual .feng-service-topline b { color: #846325; }
.feng-service-title-row { align-items: flex-start; margin-top: 24px; }
.feng-service-title-row h2 {
  max-width: 360px;
  margin: 0;
  color: var(--feng-deep);
  font: 500 clamp(28px, 3vw, 39px)/1.08 var(--display-font);
  letter-spacing: -.025em;
}
.feng-service-title-row strong {
  flex: 0 0 auto;
  color: var(--feng-blue);
  font-size: clamp(24px, 2.4vw, 33px);
  line-height: 1;
}
.feng-service-card > p {
  margin: 20px 0 0;
  color: var(--feng-muted);
  font-size: 14px;
  line-height: 1.7;
}
.feng-service-card ul {
  display: grid;
  gap: 9px;
  margin: 20px 0 26px;
  padding: 0;
  list-style: none;
}
.feng-service-card li {
  position: relative;
  padding-left: 18px;
  color: var(--feng-ink);
  font-size: 13px;
  line-height: 1.5;
}
.feng-service-card li::before {
  position: absolute;
  top: .62em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--feng-cyan);
  content: "";
}
.feng-service-card.is-manual li::before { background: var(--feng-warm); }
.feng-service-actions {
  margin-top: auto;
  justify-content: flex-start;
  flex-wrap: wrap;
}
.feng-service-actions > a:not(.button) {
  color: var(--feng-blue);
  font-size: 12px;
  font-weight: 800;
  text-underline-offset: 4px;
}
.feng-service-note {
  margin: 20px 0 0;
  color: #91b4c2;
  font-size: 12px;
  line-height: 1.6;
  text-align: center;
}
.feng-hero {
  position: relative;
  overflow: hidden;
  padding: 86px 0 90px;
  color: #fff;
  background:
    radial-gradient(circle at 84% 10%, rgba(75, 184, 199, .17), transparent 28%),
    linear-gradient(135deg, #061b30 0%, #0b3150 56%, #115d7d 100%);
}
.feng-hero::after {
  content: "";
  position: absolute;
  left: -12%;
  right: -12%;
  bottom: -120px;
  height: 260px;
  border: 1px solid rgba(149, 222, 232, .2);
  border-radius: 50%;
  box-shadow:
    0 -40px 0 rgba(120, 211, 224, .06),
    0 -80px 0 rgba(120, 211, 224, .04);
  pointer-events: none;
}
.feng-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(330px, .8fr);
  gap: 70px;
  align-items: center;
}
.feng-kicker {
  margin: 0 0 18px;
  color: var(--feng-cyan);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.feng-hero h1 {
  max-width: 760px;
  margin: 0;
  color: #fff;
  font: 500 clamp(42px, 5.6vw, 72px)/1.02 var(--display-font);
  letter-spacing: -.035em;
}
.feng-lead {
  max-width: 700px;
  margin: 28px 0 0;
  color: #d6e8ef;
  font-size: 18px;
  line-height: 1.75;
}
.feng-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}
.feng-hero-actions .button:not(.primary) {
  border-color: rgba(255,255,255,.35);
  color: #fff;
  background: rgba(255,255,255,.05);
}
.feng-scope {
  max-width: 700px;
  margin: 22px 0 0;
  color: #9fc0ce;
  font-size: 13px;
  line-height: 1.65;
}
.feng-rule-ledger {
  border: 1px solid rgba(141, 204, 216, .32);
  background: rgba(4, 25, 44, .54);
  backdrop-filter: blur(12px);
}
.feng-ledger-head {
  display: flex;
  justify-content: space-between;
  padding: 20px 22px;
  border-bottom: 1px solid rgba(141, 204, 216, .25);
}
.feng-ledger-head span {
  color: #8ec9d4;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.feng-ledger-head strong { font: 500 18px/1.2 var(--display-font); }
.feng-rule-ledger ol { list-style: none; margin: 0; padding: 0; }
.feng-rule-ledger li {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 14px;
  padding: 20px 22px;
  border-bottom: 1px solid rgba(141, 204, 216, .16);
}
.feng-rule-ledger li:last-child { border-bottom: 0; }
.feng-rule-ledger li > span {
  color: var(--feng-cyan);
  font-size: 11px;
  font-weight: 800;
}
.feng-rule-ledger li strong { display: block; margin-bottom: 5px; font-size: 15px; }
.feng-rule-ledger li small { color: #a9c4cf; line-height: 1.5; }

.feng-method { padding: 82px 0; background: #fff; }
.feng-section-head { max-width: 760px; }
.feng-section-head > p {
  margin: 0 0 12px;
  color: var(--feng-blue);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.feng-section-head h2,
.feng-form-copy h2,
.feng-results-head h2 {
  margin: 0;
  color: var(--feng-deep);
  font: 500 clamp(34px, 4vw, 51px)/1.08 var(--display-font);
  letter-spacing: -.025em;
}
.feng-section-head > span {
  display: block;
  margin-top: 18px;
  color: var(--feng-muted);
  font-size: 16px;
  line-height: 1.75;
}
.feng-method-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 44px;
  border: 1px solid var(--feng-line);
}
.feng-method-grid article {
  min-height: 270px;
  padding: 30px 26px;
  border-right: 1px solid var(--feng-line);
}
.feng-method-grid article:last-child { border-right: 0; }
.feng-method-grid b {
  color: var(--feng-blue);
  font-size: 10px;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.feng-method-grid h3 {
  margin: 66px 0 13px;
  color: var(--feng-deep);
  font: 500 24px/1.18 var(--display-font);
}
.feng-method-grid p { margin: 0; color: var(--feng-muted); font-size: 14px; line-height: 1.75; }

.feng-audit {
  padding: 72px 0 86px;
  background:
    linear-gradient(rgba(217, 237, 242, .35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(217, 237, 242, .35) 1px, transparent 1px),
    var(--feng-mist);
  background-size: 38px 38px;
}
.feng-audit-grid {
  display: grid;
  grid-template-columns: minmax(280px, .62fr) minmax(0, 1.38fr);
  gap: 64px;
  align-items: start;
}
.feng-form-copy { position: sticky; top: 100px; }
.feng-form-copy > p:not(.feng-kicker) { color: var(--feng-muted); font-size: 16px; line-height: 1.75; }
.feng-ai-price {
  margin-top: 24px;
  padding: 20px;
  border: 1px solid #9fc4d1;
  background: rgba(255,255,255,.72);
}
.feng-ai-price div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
}
.feng-ai-price span {
  color: var(--feng-deep);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.feng-ai-price strong { color: var(--feng-blue); font-size: 28px; line-height: 1; }
.feng-ai-price p { margin: 11px 0 0; color: var(--feng-muted); font-size: 12px; line-height: 1.65; }
.feng-form-copy ul { margin: 28px 0 0; padding: 0; list-style: none; }
.feng-form-copy li {
  position: relative;
  padding: 12px 0 12px 26px;
  border-top: 1px solid var(--feng-line);
  color: var(--feng-ink);
  font-size: 14px;
}
.feng-form-copy li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 19px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--feng-cyan);
}
.feng-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  padding: 34px;
  border: 1px solid var(--feng-line);
  background: rgba(255,255,255,.94);
  box-shadow: 0 20px 50px rgba(15, 61, 87, .08);
}
.feng-field { display: flex; flex-direction: column; gap: 8px; }
.feng-field-wide { grid-column: 1 / -1; }
.feng-field label,
.feng-household legend {
  color: var(--feng-deep);
  font-size: 13px;
  font-weight: 800;
}
.feng-field input,
.feng-field select,
.feng-field textarea,
.feng-household input {
  width: 100%;
  border: 1px solid #bcd3dc;
  border-radius: 0;
  background: #fff;
  color: var(--feng-ink);
  font: inherit;
  outline: none;
}
.feng-field input,
.feng-field select,
.feng-household input { height: 48px; padding: 0 13px; }
.feng-field textarea { min-height: 122px; padding: 13px; resize: vertical; }
.feng-field input:focus,
.feng-field select:focus,
.feng-field textarea:focus,
.feng-household input:focus {
  border-color: var(--feng-blue);
  box-shadow: 0 0 0 3px rgba(23,107,156,.12);
}
.feng-field > small { color: var(--feng-muted); font-size: 11px; line-height: 1.55; }
.feng-upload {
  width: 100%;
  min-height: 126px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  border: 1px dashed #8db7c6;
  background: #f7fbfc;
  color: var(--feng-ink);
  cursor: pointer;
}
.feng-upload.is-dragging { border-color: var(--feng-blue); background: #eaf5f8; }
.feng-upload-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--feng-deep);
  color: #fff;
  font-size: 24px;
  line-height: 1;
}
.feng-upload span:last-child { display: flex; flex-direction: column; align-items: flex-start; }
.feng-upload strong { font-size: 14px; }
.feng-upload small { margin-top: 6px; color: var(--feng-muted); }
.feng-preview {
  margin: 0;
  border: 1px solid var(--feng-line);
  background: #f4f8fa;
}
.feng-preview img {
  display: block;
  width: 100%;
  max-height: 460px;
  object-fit: contain;
}
.feng-preview figcaption {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 11px 13px;
  border-top: 1px solid var(--feng-line);
  color: var(--feng-muted);
  font-size: 12px;
}
.feng-preview button { border: 0; background: none; color: var(--feng-red); font: inherit; font-weight: 800; cursor: pointer; }
.feng-household {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 0;
  padding: 18px;
  border: 1px solid var(--feng-line);
}
.feng-household legend { padding: 0 8px; }
.feng-household label { color: var(--feng-muted); font-size: 11px; font-weight: 700; }
.feng-household input { margin-top: 6px; }
.feng-confirm {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  color: var(--feng-muted);
  font-size: 12px;
  line-height: 1.6;
}
.feng-confirm input { width: 17px; height: 17px; margin: 2px 0 0; accent-color: var(--feng-blue); flex: 0 0 auto; }
.feng-submit-row { display: flex; align-items: center; gap: 18px; }
.feng-form-status { margin: 0; color: var(--feng-muted); font-size: 13px; }
.feng-form-status[data-state="error"] { color: var(--feng-red); }
.feng-form-status[data-state="success"] { color: var(--feng-green); }

.feng-results { padding: 88px 0 100px; background: #fff; }
.feng-results-head {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--feng-line);
}
.feng-review-badge {
  padding: 9px 12px;
  border: 1px solid var(--feng-line);
  color: var(--feng-green);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.feng-review-badge.is-review { color: var(--feng-warm); }
.feng-results-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; align-items: center; }
.feng-results-actions .button { min-height: 36px; padding: 8px 13px; font-size: 11px; }
.feng-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 32px;
  border: 1px solid var(--feng-line);
}
.feng-summary-card { min-height: 140px; padding: 22px; border-right: 1px solid var(--feng-line); }
.feng-summary-card:last-child { border-right: 0; }
.feng-summary-card span {
  display: block;
  margin-bottom: 28px;
  color: var(--feng-blue);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.feng-summary-card strong { color: var(--feng-deep); font: 500 23px/1.2 var(--display-font); }
.feng-result-section { margin-top: 62px; }
.feng-result-heading {
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 16px;
  align-items: start;
  margin-bottom: 23px;
}
.feng-result-heading > span { color: var(--feng-cyan); font-size: 11px; font-weight: 800; }
.feng-result-heading h3 { margin: 0; color: var(--feng-deep); font: 500 30px/1.15 var(--display-font); }
.feng-result-heading p { margin: 7px 0 0; color: var(--feng-muted); font-size: 14px; }
.feng-result-list { border-top: 1px solid var(--feng-line); }
.feng-result-card {
  display: grid;
  grid-template-columns: minmax(170px, .38fr) minmax(0, 1fr);
  gap: 30px;
  padding: 25px 0;
  border-bottom: 1px solid var(--feng-line);
}
.feng-result-card > div:first-child span {
  display: block;
  margin-bottom: 7px;
  color: var(--feng-blue);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.feng-result-card h4 { margin: 0; color: var(--feng-deep); font: 500 22px/1.25 var(--display-font); }
.feng-result-card p { margin: 0 0 8px; color: var(--feng-ink); font-size: 14px; line-height: 1.7; }
.feng-result-card p:last-child { margin-bottom: 0; }
.feng-adjustment {
  margin-top: 11px !important;
  padding-left: 13px;
  border-left: 3px solid var(--feng-warm);
  color: #78581f !important;
}
.feng-room-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.feng-room-card { padding: 24px; border: 1px solid var(--feng-line); background: var(--feng-mist); }
.feng-room-card header { display: flex; justify-content: space-between; gap: 14px; }
.feng-room-card header span { color: var(--feng-blue); font-size: 10px; font-weight: 800; text-transform: uppercase; }
.feng-room-card h4 { margin: 8px 0 0; color: var(--feng-deep); font: 500 23px/1.2 var(--display-font); }
.feng-room-facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 22px; }
.feng-room-facts div { padding: 12px; background: #fff; border: 1px solid var(--feng-line); }
.feng-room-facts span { display: block; color: var(--feng-muted); font-size: 9px; text-transform: uppercase; }
.feng-room-facts strong { display: block; margin-top: 5px; color: var(--feng-deep); font-size: 14px; }
.feng-room-card > p { margin: 18px 0 0; color: var(--feng-muted); font-size: 13px; line-height: 1.7; }
.feng-verification {
  margin-top: 48px;
  padding: 24px;
  border-left: 4px solid var(--feng-warm);
  background: #fff8ea;
}
.feng-verification h3 { margin: 0; color: #684a19; font: 500 25px/1.2 var(--display-font); }
.feng-verification p { margin: 9px 0 0; color: #765d34; line-height: 1.7; }
.feng-endnote {
  margin-top: 58px;
  padding: 30px;
  color: #dceaf0;
  background: var(--feng-deep);
}
.feng-endnote p { max-width: 880px; margin: 0 0 8px; font-size: 13px; line-height: 1.7; }
.feng-endnote .button { margin-top: 18px; border-color: rgba(255,255,255,.32); color: #fff; background: transparent; }

@media (max-width: 980px) {
  .feng-service-grid,
  .feng-hero-grid,
  .feng-audit-grid { grid-template-columns: 1fr; }
  .qimen-intro-grid,
  .qimen-workspace { grid-template-columns: 1fr; }
  .qimen-intro { max-width: 820px; }
  .qimen-form { max-width: 720px; }
  .qimen-summary { grid-template-columns: repeat(2, 1fr); }
  .qimen-summary-item:nth-child(3n) { border-right: 1px solid var(--feng-line); }
  .qimen-summary-item:nth-child(2n) { border-right: 0; }
  .qimen-summary-item:nth-last-child(-n+3) { border-bottom: 1px solid var(--feng-line); }
  .qimen-summary-item:nth-last-child(-n+2) { border-bottom: 0; }
  .qimen-detail { position: static; min-height: 0; }
  .qimen-symbol-library { grid-template-columns: 1fr; }
  .qimen-symbol-group { display: grid; grid-template-columns: 220px 1fr; }
  .qimen-symbol-group > header { border-right: 1px solid var(--feng-line); border-bottom: 0; }
  .feng-service-card { min-height: 0; }
  .feng-hero-grid { gap: 44px; }
  .feng-method-grid { grid-template-columns: repeat(2, 1fr); }
  .feng-method-grid article:nth-child(2) { border-right: 0; }
  .feng-method-grid article:nth-child(-n+2) { border-bottom: 1px solid var(--feng-line); }
  .feng-form-copy { position: static; }
  .feng-summary-grid { grid-template-columns: repeat(2, 1fr); }
  .feng-summary-card:nth-child(2) { border-right: 0; }
  .feng-summary-card:nth-child(-n+2) { border-bottom: 1px solid var(--feng-line); }
}

@media (max-width: 680px) {
  .feng-services-hero { padding: 46px 0 30px; }
  .feng-services-intro { margin-bottom: 26px; }
  .feng-services-intro h1 { font-size: 42px; }
  .feng-services-intro > p { font-size: 15px; }
  .feng-service-grid { gap: 12px; }
  .feng-service-card { padding: 23px 20px; }
  .feng-service-title-row { display: block; }
  .feng-service-title-row strong { display: block; margin-top: 14px; }
  .feng-service-actions { align-items: flex-start; flex-direction: column; }
  .feng-service-actions .button { width: 100%; }
  .qimen-section { padding: 58px 0 66px; }
  .qimen-intro h2 { font-size: 40px; }
  .qimen-intro > p { font-size: 14px; }
  .qimen-method-ledger { grid-template-columns: 1fr; }
  .qimen-method-ledger > div { border-bottom: 1px solid rgba(161, 211, 221, .18); }
  .qimen-method-ledger > div:last-child { border-bottom: 0; }
  .qimen-form { grid-template-columns: 1fr; padding: 22px 18px; }
  .qimen-form label,
  .qimen-form-head,
  .qimen-form-actions,
  .qimen-form-note,
  .qimen-status { grid-column: auto; }
  .qimen-form-actions { align-items: stretch; flex-direction: column; }
  .qimen-now { align-self: flex-start; }
  .qimen-empty { align-items: flex-start; }
  .qimen-results { margin-right: -12px; margin-left: -12px; padding: 24px 12px; }
  .qimen-results-head { align-items: flex-start; flex-direction: column; }
  .qimen-summary { grid-template-columns: 1fr; }
  .qimen-summary-item,
  .qimen-summary-item:nth-child(2n),
  .qimen-summary-item:nth-child(3n),
  .qimen-summary-item:nth-last-child(-n+2),
  .qimen-summary-item:nth-last-child(-n+3) { border-right: 0; border-bottom: 1px solid var(--feng-line); }
  .qimen-summary-item:last-child { border-bottom: 0; }
  .qimen-grid { min-width: 640px; }
  .qimen-palace { min-height: 248px; padding: 14px; }
  .qimen-reference { margin-top: 64px; }
  .qimen-reference-head h2 { font-size: 38px; }
  .qimen-symbol-group { display: block; }
  .qimen-symbol-group > header { border-right: 0; border-bottom: 1px solid var(--feng-line); }
  .qimen-combination-explorer { grid-template-columns: 1fr; }
  .qimen-combination-controls { border-right: 0; border-bottom: 1px solid var(--feng-line); }
  .feng-hero { padding: 58px 0 68px; }
  .feng-hero h1 { font-size: 43px; }
  .feng-lead { font-size: 16px; }
  .feng-method,
  .feng-audit,
  .feng-results { padding: 62px 0 70px; }
  .feng-method-grid,
  .feng-summary-grid,
  .feng-room-grid { grid-template-columns: 1fr; }
  .feng-method-grid article { min-height: 220px; border-right: 0; border-bottom: 1px solid var(--feng-line); }
  .feng-method-grid article:last-child { border-bottom: 0; }
  .feng-method-grid h3 { margin-top: 40px; }
  .feng-form { grid-template-columns: 1fr; padding: 22px 18px; }
  .feng-field-wide { grid-column: auto; }
  .feng-household { grid-column: auto; grid-template-columns: repeat(2, 1fr); }
  .feng-confirm,
  .feng-submit-row { grid-column: auto; }
  .feng-submit-row { align-items: stretch; flex-direction: column; }
  .feng-results-head { align-items: flex-start; flex-direction: column; }
  .feng-results-actions { justify-content: flex-start; }
  .feng-summary-card { border-right: 0; border-bottom: 1px solid var(--feng-line); }
  .feng-summary-card:last-child { border-bottom: 0; }
  .feng-result-card { grid-template-columns: 1fr; gap: 13px; }
  .feng-room-facts { grid-template-columns: 1fr; }
}

@media print {
  @page { size: A4; margin: 16mm; }
  body { background: #fff; }
  body > header,
  body > main > section:not(.feng-results),
  body > footer,
  .feng-results-actions,
  .feng-endnote .button { display: none !important; }
  .feng-results {
    display: block !important;
    padding: 0;
    color: #17344a;
  }
  .feng-results .shell { max-width: none; padding: 0; }
  .feng-results-head { padding-bottom: 18px; }
  .feng-results-head h2 { font-size: 30px; }
  .feng-summary-grid { margin-top: 18px; }
  .feng-summary-card { min-height: 105px; }
  .feng-result-section { margin-top: 34px; break-inside: avoid; }
  .feng-result-card,
  .feng-room-card,
  .feng-verification,
  .feng-endnote { break-inside: avoid; }
  .feng-endnote { color: #17344a; background: #eef6f8; }
}