/*
 * ISO 15189 · 质量评估与提升
 * Apple-inspired refinement: clear hierarchy, generous space, one accent hue,
 * hairline separators and a single memorable quality-system visual.
 */

.iso-signature .iso-stage-quality-web {
  --quality-ink: #10271f;
  --quality-copy: #52635c;
  --quality-muted: #7f8d87;
  --quality-green: #0f8a65;
  --quality-mint: #72ddb9;
  display: block;
  padding: clamp(112px, 9vw, 156px) 0;
  border-top: 0;
  isolation: isolate;
}

.iso-signature .iso-stage-quality-web::before {
  inset: 0 calc(50% - 50vw);
  background:
    radial-gradient(circle at 16% 8%, rgba(151, 226, 201, .16), transparent 28%),
    linear-gradient(180deg, #f6f8f7 0%, #f2f5f3 100%);
}

.iso-signature .iso-quality-web {
  width: min(100%, 1240px);
  max-width: 1240px;
  margin: 0 auto;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.iso-signature .iso-quality-web-head {
  max-width: 940px;
  margin: 0 auto clamp(58px, 5vw, 76px);
  text-align: center;
}

.iso-signature .iso-quality-web-head p {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  margin: 0 0 21px;
  color: var(--quality-green);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .2em;
}

.iso-signature .iso-quality-web-head p::before,
.iso-signature .iso-quality-web-head p::after {
  content: "";
  width: 24px;
  height: 1px;
  background: rgba(15, 138, 101, .36);
}

.iso-signature .iso-quality-web-head p b {
  display: grid;
  width: 25px;
  height: 25px;
  place-items: center;
  border: 1px solid rgba(15, 138, 101, .22);
  border-radius: 50%;
  font-size: 9px;
  letter-spacing: 0;
}

.iso-signature .iso-quality-web-head h2 {
  margin: 0;
  color: var(--quality-ink);
  font-size: clamp(42px, 5vw, 72px);
  font-weight: 620;
  line-height: 1.08;
  letter-spacing: -.065em;
  text-wrap: balance;
}

.iso-signature .iso-quality-web-head > span {
  display: block;
  margin-top: 24px;
  color: var(--quality-copy);
  font-size: clamp(14px, 1.25vw, 17px);
  line-height: 1.85;
  letter-spacing: -.01em;
}

.iso-signature .iso-quality-web-grid {
  display: grid;
  grid-template-columns: minmax(390px, .88fr) minmax(540px, 1.12fr);
  gap: 22px;
  align-items: stretch;
}

.iso-signature .iso-quality-cycle-card,
.iso-signature .iso-quality-table,
.iso-signature .iso-quality-execution {
  border: 1px solid rgba(16, 54, 41, .055);
  box-shadow: 0 28px 70px -56px rgba(11, 47, 35, .5);
}

.iso-signature .iso-quality-cycle-card {
  position: relative;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  min-height: 700px;
  padding: 36px 34px 30px;
  overflow: hidden;
  border-color: rgba(255, 255, 255, .08);
  border-radius: 34px;
  background:
    radial-gradient(circle at 90% 7%, rgba(130, 231, 195, .12), transparent 27%),
    radial-gradient(circle at 10% 92%, rgba(4, 48, 37, .22), transparent 34%),
    linear-gradient(145deg, #145f4a 0%, #115845 54%, #0e4b3b 100%);
  color: #fff;
  isolation: isolate;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .08),
    0 34px 78px -52px rgba(4, 40, 29, .92);
}

.iso-signature .iso-quality-cycle-card > * {
  position: relative;
  z-index: 2;
}

.iso-signature .iso-quality-cycle-card::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;
  background:
    linear-gradient(112deg, rgba(255, 255, 255, .08), transparent 24%),
    radial-gradient(circle at 48% 62%, rgba(109, 224, 181, .055), transparent 42%);
  pointer-events: none;
}

.iso-signature .iso-quality-cycle-card::after {
  content: "";
  position: absolute;
  z-index: 0;
  right: -86px;
  bottom: -102px;
  width: 290px;
  height: 290px;
  border: 1px solid rgba(133, 230, 195, .06);
  border-radius: 50%;
  box-shadow: 0 0 0 48px rgba(133, 230, 195, .018), 0 0 0 96px rgba(133, 230, 195, .012);
  pointer-events: none;
}

.iso-signature .iso-quality-cycle-card-head {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.iso-signature .iso-quality-cycle-card-head div {
  display: grid;
  gap: 7px;
}

.iso-signature .iso-quality-cycle-card-head span {
  color: rgba(180, 240, 218, .72);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .22em;
}

.iso-signature .iso-quality-cycle-card-head strong {
  color: #fff;
  font-size: 20px;
  font-weight: 580;
  line-height: 1.25;
  letter-spacing: -.045em;
}

.iso-signature .iso-quality-cycle-card-head em {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 11px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 999px;
  background: rgba(255, 255, 255, .065);
  color: rgba(255, 255, 255, .76);
  font-size: 10px;
  font-style: normal;
  letter-spacing: .05em;
  white-space: nowrap;
}

.iso-signature .iso-quality-cycle-card-head i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #6be1b7;
  box-shadow: 0 0 0 4px rgba(107, 225, 183, .1);
}

.iso-signature .iso-quality-cycle {
  position: relative;
  align-self: center;
  width: min(94%, 430px);
  max-width: 430px;
  aspect-ratio: 1;
  margin: 0 auto;
  border-radius: 50%;
  background:
    radial-gradient(circle at 31% 10%, rgba(255, 255, 255, .14), transparent 28%),
    conic-gradient(
      from 18deg,
      #78dfbd 0deg 112deg,
      rgba(5, 53, 42, .2) 112deg 120deg,
      #3cba94 120deg 232deg,
      rgba(5, 53, 42, .2) 232deg 240deg,
      #27866a 240deg 352deg,
      rgba(5, 53, 42, .2) 352deg 360deg
    );
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, .16),
    inset 0 -1px 0 rgba(2, 46, 35, .22),
    0 30px 72px -42px rgba(72, 210, 161, .58);
}

.iso-signature .iso-quality-cycle::before {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 21%;
  border-radius: 50%;
  border: 1px solid rgba(211, 255, 238, .12);
  background:
    radial-gradient(circle at 38% 23%, rgba(82, 181, 139, .2), transparent 34%),
    linear-gradient(155deg, #164a3a 0%, #0d3328 62%, #09271f 100%);
  box-shadow:
    0 0 0 8px rgba(10, 43, 34, .42),
    inset 0 1px 0 rgba(255, 255, 255, .1),
    0 26px 52px rgba(2, 19, 14, .28);
}

.iso-signature .iso-quality-cycle-core {
  position: absolute;
  z-index: 2;
  inset: 30%;
  display: grid;
  place-content: center;
  color: #fff;
  text-align: center;
}

.iso-signature .iso-quality-cycle-core small {
  margin-bottom: 12px;
  color: rgba(177, 235, 213, .62);
  font-size: 9px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .22em;
}

.iso-signature .iso-quality-cycle-core b {
  color: #fff;
  font-size: clamp(28px, 2.4vw, 36px);
  font-weight: 580;
  line-height: 1.12;
  letter-spacing: -.06em;
}

.iso-signature .iso-quality-cycle-core span {
  margin-top: 3px;
  color: rgba(255, 255, 255, .8);
  font-size: clamp(17px, 1.8vw, 24px);
  font-weight: 520;
  letter-spacing: -.04em;
}

.iso-signature .iso-quality-cycle-stage {
  position: absolute;
  z-index: 2;
  display: grid;
  gap: 7px;
  color: #fff;
  text-align: center;
}

.iso-signature .iso-quality-cycle-stage em {
  color: rgba(238, 255, 248, .72);
  font-size: 10px;
  font-style: normal;
  font-weight: 700;
  letter-spacing: .16em;
}

.iso-signature .iso-quality-cycle-stage strong {
  color: #fff;
  font-size: clamp(15px, 1.4vw, 19px);
  font-weight: 580;
  letter-spacing: -.035em;
}

.iso-signature .iso-quality-cycle-stage small {
  color: rgba(228, 249, 239, .64);
  font-size: 10px;
  line-height: 1.35;
}

.iso-signature .iso-quality-cycle .stage-one {
  top: 19%;
  left: 5%;
  width: 31%;
}

.iso-signature .iso-quality-cycle .stage-two {
  top: 24%;
  right: 2%;
  width: 31%;
}

.iso-signature .iso-quality-cycle .stage-three {
  bottom: 8%;
  left: 31%;
  width: 38%;
}

.iso-signature .iso-quality-cycle-note {
  position: relative;
  z-index: 2;
  max-width: 370px;
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid rgba(222, 255, 241, .12);
  color: rgba(232, 250, 241, .6);
  font-size: 11px;
  line-height: 1.7;
}

.iso-signature .iso-quality-web-tables {
  display: grid;
  gap: 22px;
}

.iso-signature .iso-quality-table {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 27px 30px 20px;
  border-radius: 30px;
  background: rgba(255, 255, 255, .94);
}

.iso-signature .iso-quality-table > header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 12px;
}

.iso-signature .iso-quality-table > header div {
  display: grid;
  gap: 4px;
}

.iso-signature .iso-quality-table > header p {
  margin: 0;
  color: var(--quality-green);
  font-size: 8px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: .18em;
}

.iso-signature .iso-quality-table h3 {
  margin: 0;
  color: var(--quality-ink);
  font-size: clamp(18px, 1.6vw, 22px);
  font-weight: 620;
  line-height: 1.35;
  letter-spacing: -.04em;
  text-align: left;
}

.iso-signature .iso-quality-table > header > span {
  padding: 6px 10px;
  border-radius: 999px;
  background: #ecf7f3;
  color: #27755c;
  font-size: 9px;
  white-space: nowrap;
}

.iso-signature .iso-quality-table ol {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.iso-signature .iso-quality-table li {
  display: grid;
  min-height: 49px;
  grid-template-columns: 34px minmax(0, 1fr) minmax(150px, .9fr);
  gap: 12px;
  align-items: center;
  padding: 8px 8px 8px 2px;
  border: 0;
  border-top: 1px solid rgba(16, 54, 41, .085);
  border-radius: 0;
  color: var(--quality-ink);
  transition: padding-left .3s cubic-bezier(.16, 1, .3, 1), background .3s ease;
}

.iso-signature .iso-quality-table li:hover {
  padding-left: 9px;
  border-radius: 10px;
  background: #f5faf8;
}

.iso-signature .iso-quality-table li b {
  padding: 0;
  border-radius: 0;
  background: transparent;
  color: var(--quality-green);
  font-size: 10px;
  font-weight: 700;
  text-align: left;
  letter-spacing: .06em;
}

.iso-signature .iso-quality-table li strong {
  color: #203e33;
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1.45;
}

.iso-signature .iso-quality-table li > span {
  color: var(--quality-muted);
  font-size: 10.5px;
  line-height: 1.45;
}

.iso-signature .iso-quality-execution {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 34px;
  align-items: center;
  margin-top: 22px;
  padding: 29px 30px;
  border-radius: 30px;
  background: rgba(255, 255, 255, .94);
}

.iso-signature .iso-quality-execution-copy {
  display: grid;
  gap: 5px;
}

.iso-signature .iso-quality-execution-copy > span {
  color: var(--quality-green);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: .18em;
}

.iso-signature .iso-quality-execution-copy > strong {
  color: var(--quality-ink);
  font-size: 18px;
  font-weight: 620;
  line-height: 1.35;
  letter-spacing: -.035em;
}

.iso-signature .iso-quality-execution ol {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.iso-signature .iso-quality-execution li {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  min-height: 48px;
  padding: 3px 18px;
  border: 0;
  border-left: 1px solid rgba(16, 54, 41, .09);
  border-radius: 0;
  color: #234438;
  font-size: 12px;
  font-weight: 600;
  text-align: left;
}

.iso-signature .iso-quality-execution li:first-child {
  border-left: 0;
  padding-left: 0;
}

.iso-signature .iso-quality-execution li::before {
  display: none;
}

.iso-signature .iso-quality-execution li b {
  color: var(--quality-green);
  font-size: 9px;
  letter-spacing: .05em;
}

.iso-signature .iso-quality-execution li > span {
  min-width: 0;
}

.iso-signature .iso-quality-execution small {
  display: block;
  margin-top: 5px;
  color: var(--quality-muted);
  font-size: 9px;
  font-weight: 400;
  line-height: 1.45;
}

@media (prefers-reduced-motion: no-preference) {
  .iso-signature .iso-quality-web.in .iso-quality-cycle-card {
    animation: iso-quality-rise .8s .08s both cubic-bezier(.16, 1, .3, 1);
  }

  .iso-signature .iso-quality-web.in .iso-quality-table:first-child {
    animation: iso-quality-rise .8s .16s both cubic-bezier(.16, 1, .3, 1);
  }

  .iso-signature .iso-quality-web.in .iso-quality-table:last-child {
    animation: iso-quality-rise .8s .24s both cubic-bezier(.16, 1, .3, 1);
  }

  .iso-signature .iso-quality-web.in .iso-quality-execution {
    animation: iso-quality-rise .8s .3s both cubic-bezier(.16, 1, .3, 1);
  }

  .iso-signature .iso-quality-cycle-card-head i {
    animation: iso-quality-status 2.4s ease-in-out infinite;
  }

  @keyframes iso-quality-rise {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
  }

  @keyframes iso-quality-status {
    50% { box-shadow: 0 0 0 7px rgba(107, 225, 183, 0); }
  }
}

@media (max-width: 1080px) {
  .iso-signature .iso-quality-web-grid {
    grid-template-columns: minmax(340px, .8fr) minmax(460px, 1.2fr);
  }

  .iso-signature .iso-quality-cycle-card {
    padding-right: 26px;
    padding-left: 26px;
  }

  .iso-signature .iso-quality-table {
    padding-right: 24px;
    padding-left: 24px;
  }

  .iso-signature .iso-quality-table li {
    grid-template-columns: 30px minmax(0, 1fr) minmax(125px, .82fr);
    gap: 9px;
  }

  .iso-signature .iso-quality-execution {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 22px;
  }

  .iso-signature .iso-quality-execution li {
    padding-right: 11px;
    padding-left: 11px;
  }
}

@media (max-width: 900px) {
  .iso-signature .iso-quality-web-grid {
    grid-template-columns: 1fr;
  }

  .iso-signature .iso-quality-cycle-card {
    min-height: 680px;
  }

  .iso-signature .iso-quality-cycle {
    width: min(82vw, 360px);
    max-width: 360px;
  }

  .iso-signature .iso-quality-execution {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 640px) {
  .iso-signature .iso-stage-quality-web {
    padding: 86px 0;
  }

  .iso-signature .iso-stage-quality-web::before {
    inset: 0 -20px;
  }

  .iso-signature .iso-quality-web-head {
    margin-bottom: 42px;
    text-align: left;
  }

  .iso-signature .iso-quality-web-head p {
    margin-bottom: 17px;
  }

  .iso-signature .iso-quality-web-head p::after {
    display: none;
  }

  .iso-signature .iso-quality-web-head h2 {
    font-size: clamp(36px, 10vw, 46px);
    line-height: 1.1;
  }

  .iso-signature .iso-quality-web-head > span {
    margin-top: 18px;
    font-size: 13px;
    line-height: 1.8;
  }

  .iso-signature .iso-quality-web-head > span br {
    display: none;
  }

  .iso-signature .iso-quality-cycle-card {
    min-height: auto;
    padding: 25px 20px 24px;
    border-radius: 27px;
  }

  .iso-signature .iso-quality-cycle-card-head strong {
    font-size: 16px;
  }

  .iso-signature .iso-quality-cycle-card-head em {
    padding: 6px 8px;
    font-size: 8px;
  }

  .iso-signature .iso-quality-cycle {
    width: min(88%, 300px);
    max-width: 300px;
    margin: 34px auto 26px;
  }

  body.iso-signature .iso-quality-cycle-core b {
    font-size: clamp(17px, 5.5vw, 24px);
  }

  .iso-signature .iso-quality-cycle-core small {
    font-size: 7px;
  }

  .iso-signature .iso-quality-cycle-stage small {
    display: none;
  }

  .iso-signature .iso-quality-cycle-note {
    font-size: 10px;
  }

  .iso-signature .iso-quality-web-tables {
    gap: 14px;
  }

  .iso-signature .iso-quality-table {
    padding: 23px 18px 16px;
    border-radius: 25px;
  }

  .iso-signature .iso-quality-table > header {
    align-items: flex-end;
    margin-bottom: 13px;
  }

  .iso-signature .iso-quality-table h3 {
    font-size: 18px;
  }

  .iso-signature .iso-quality-table li {
    min-height: 58px;
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 3px 9px;
    padding: 9px 2px;
  }

  .iso-signature .iso-quality-table li:hover {
    padding-left: 2px;
    background: transparent;
  }

  .iso-signature .iso-quality-table li > span {
    grid-column: 2;
    font-size: 10px;
  }

  .iso-signature .iso-quality-execution {
    gap: 22px;
    margin-top: 14px;
    padding: 24px 20px 22px;
    border-radius: 25px;
  }

  .iso-signature .iso-quality-execution ol {
    grid-template-columns: 1fr 1fr;
  }

  .iso-signature .iso-quality-execution li,
  .iso-signature .iso-quality-execution li:first-child {
    min-height: 76px;
    padding: 13px 11px;
    border-top: 1px solid rgba(16, 54, 41, .09);
    border-left: 0;
  }

  .iso-signature .iso-quality-execution li:nth-child(even) {
    border-left: 1px solid rgba(16, 54, 41, .09);
  }
}

@media (max-width: 390px) {
  .iso-signature .iso-quality-cycle-card-head em {
    display: none;
  }

  .iso-signature .iso-quality-cycle-stage strong {
    font-size: 13px;
  }
}

@media (max-width: 360px) {
  .iso-signature .iso-quality-execution ol {
    grid-template-columns: 1fr;
  }

  .iso-signature .iso-quality-execution li:nth-child(even) {
    border-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .iso-signature .iso-quality-cycle-card-head i,
  .iso-signature .iso-quality-table li {
    animation: none;
    transition: none;
  }
}