/*
 * 大闸蟹预售案例专属视觉层
 * 在 catalog-detail.css 的全站导航、按钮、动效和页脚基础上进行场景化扩展。
 */

.crab-presale-page[data-theme="commerce"] {
  --crab-green: #123f36;
  --crab-green-deep: #082d28;
  --crab-green-soft: #2e6758;
  --crab-orange: #d85d21;
  --crab-orange-dark: #a93c13;
  --crab-gold: #c49a54;
  --crab-cream: #fff8ec;
  --crab-paper: #fffdf8;
  --crab-mist: #eef4ef;
  --crab-ink: #25241e;
  --crab-muted: #6e7268;
  --crab-line: #dedfd5;
  --primary: var(--crab-orange);
  --primary-dark: var(--crab-green);
  --accent: var(--crab-gold);
  --ink: var(--crab-ink);
  --ink-soft: #46594f;
  --muted: var(--crab-muted);
  --line: var(--crab-line);
  --page: var(--crab-mist);
  --surface: var(--crab-paper);
  color: var(--crab-ink);
  background: var(--crab-paper);
}

.crab-presale-page .site-header {
  border-bottom-color: rgba(18, 63, 54, .12);
  background: rgba(255, 253, 248, .96);
}

.crab-presale-page .brand img {
  box-shadow: 0 8px 20px rgba(18, 63, 54, .16);
}

.crab-presale-page .nav-links {
  border-color: rgba(18, 63, 54, .12);
  background: #f4f5ef;
}

.crab-presale-page .nav-links a:hover,
.crab-presale-page .nav-links a.active {
  color: var(--crab-green);
  background: var(--crab-paper);
}

.crab-presale-page .nav-back {
  color: var(--crab-green);
  border-color: rgba(18, 63, 54, .18);
  background: var(--crab-paper);
}

.crab-presale-page .nav-cta {
  background: var(--crab-green);
  box-shadow: 0 8px 20px rgba(18, 63, 54, .2);
}

.crab-presale-page .anchor-band {
  border-bottom-color: rgba(18, 63, 54, .12);
  background: rgba(238, 244, 239, .93);
}

.crab-presale-page .anchor-scroll {
  border-color: rgba(18, 63, 54, .12);
  background: rgba(255, 253, 248, .96);
}

.crab-presale-page .anchor-scroll a:hover,
.crab-presale-page .anchor-scroll a.active {
  background: var(--crab-green);
}

.crab-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 78px 0 74px;
  background:
    radial-gradient(circle at 84% 12%, rgba(216, 93, 33, .26), transparent 27%),
    radial-gradient(circle at 6% 88%, rgba(196, 154, 84, .18), transparent 30%),
    linear-gradient(130deg, #062b27 0%, #123f36 55%, #1c5546 100%);
}

.crab-hero::before {
  z-index: -2;
  opacity: .22;
  background-image:
    linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(90deg, #000, transparent 72%);
}

.crab-hero::after {
  position: absolute;
  z-index: -1;
  right: -140px;
  bottom: -210px;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 50%;
  box-shadow:
    0 0 0 54px rgba(255, 255, 255, .025),
    0 0 0 112px rgba(255, 255, 255, .018);
  content: "";
}

.crab-hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(500px, 1.12fr);
  align-items: center;
  gap: 54px;
}

.crab-hero__content {
  min-width: 0;
}

.crab-hero__label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  padding: 6px 8px 6px 12px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 999px;
  background: rgba(255, 255, 255, .07);
}

.crab-hero__label span {
  color: #f5c781;
  font-size: 10px;
  font-weight: 950;
  letter-spacing: .12em;
}

.crab-hero__label em {
  padding: 5px 9px;
  border-radius: 999px;
  color: #fff;
  background: var(--crab-orange);
  font-size: 10px;
  font-style: normal;
  font-weight: 900;
}

.crab-hero .eyebrow {
  margin-bottom: 10px;
  color: rgba(255, 255, 255, .62);
  letter-spacing: .06em;
}

.crab-hero h1 {
  max-width: 560px;
  color: #fff;
  font-size: clamp(44px, 4.5vw, 68px);
  letter-spacing: -.065em;
  white-space: nowrap;
}

.crab-hero__claim {
  max-width: 610px;
  margin: 20px 0 0;
  color: #fff;
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 850;
  line-height: 1.4;
  letter-spacing: -.02em;
}

.crab-hero .hero-lead {
  max-width: 680px;
  margin-top: 14px;
  color: rgba(255, 255, 255, .7);
  font-size: 15px;
  line-height: 1.9;
}

.crab-hero .button-primary {
  color: var(--crab-green);
  background: #fff8ec;
}

.crab-hero .button-secondary {
  border-color: rgba(255, 255, 255, .24);
  background: rgba(255, 255, 255, .08);
}

.crab-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 28px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 16px;
  background: rgba(3, 31, 27, .42);
}

.crab-hero__facts article {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  min-width: 0;
  padding: 15px 13px;
  border-right: 1px solid rgba(255, 255, 255, .1);
}

.crab-hero__facts article:last-child {
  border-right: 0;
}

.crab-hero__facts article > span {
  color: #f5c781;
  font-size: 10px;
  font-weight: 950;
}

.crab-hero__facts strong,
.crab-hero__facts small {
  display: block;
}

.crab-hero__facts strong {
  color: #fff;
  font-size: 12px;
  white-space: nowrap;
}

.crab-hero__facts small {
  margin-top: 4px;
  color: rgba(255, 255, 255, .48);
  font-size: 9px;
  line-height: 1.45;
}

.crab-hero__visual {
  position: relative;
  width: 100%;
  margin: 0;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 30px;
  background: rgba(255, 255, 255, .09);
  box-shadow: 0 34px 90px rgba(0, 0, 0, .32);
}

.crab-hero__visual::before {
  position: absolute;
  z-index: 2;
  top: 22px;
  right: 22px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #ffd79e;
  box-shadow: 0 0 0 7px rgba(255, 215, 158, .16);
  content: "";
}

.crab-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 21px;
}

.crab-hero__caption {
  position: absolute;
  z-index: 3;
  right: 28px;
  bottom: 28px;
  left: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 13px 15px;
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 13px;
  background: rgba(8, 45, 40, .86);
  backdrop-filter: blur(14px);
}

.crab-hero__caption span {
  color: #f5c781;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .04em;
}

.crab-hero__caption strong {
  color: #fff;
  font-size: 12px;
  text-align: right;
}

.crab-section {
  padding: 92px 0;
  scroll-margin-top: 130px;
}

.crab-section--paper {
  background: var(--crab-paper);
}

.crab-section--mist {
  background:
    radial-gradient(circle at 12% 6%, rgba(196, 154, 84, .1), transparent 28%),
    linear-gradient(180deg, #f2f6f1, #eaf1ec);
}

.crab-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 500px);
  align-items: end;
  gap: 50px;
  margin-bottom: 34px;
}

.crab-heading h2 {
  max-width: 780px;
  margin: 0;
  color: var(--crab-ink);
  font-size: clamp(34px, 3.55vw, 52px);
  line-height: 1.12;
  letter-spacing: -.055em;
}

.crab-heading > p {
  margin: 0;
  color: var(--crab-muted);
  font-size: 14px;
  line-height: 1.85;
  text-align: right;
}

.crab-kicker {
  display: block;
  margin-bottom: 10px;
  color: var(--crab-orange);
  font-size: 11px;
  font-weight: 950;
  letter-spacing: .09em;
}

.crab-media {
  position: relative;
  overflow: hidden;
  margin: 0;
  padding: 10px;
  border: 1px solid rgba(18, 63, 54, .14);
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 24px 64px rgba(22, 57, 48, .12);
}

.crab-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 17px;
}

.crab-media figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 15px 7px 5px;
}

.crab-media figcaption strong {
  color: var(--crab-green);
  font-size: 13px;
  white-space: nowrap;
}

.crab-media figcaption span {
  color: var(--crab-muted);
  font-size: 10px;
  line-height: 1.5;
  text-align: right;
}

.business-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(340px, .7fr);
  align-items: start;
  gap: 24px;
}

.business-media {
  position: sticky;
  top: 150px;
}

.business-list {
  display: grid;
  gap: 14px;
}

.business-card {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 15px;
  padding: 23px;
  border: 1px solid var(--crab-line);
  border-radius: 19px;
  background: #fff;
  box-shadow: 0 13px 34px rgba(22, 57, 48, .07);
}

.business-card--accent {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(145deg, var(--crab-green-deep), var(--crab-green));
  box-shadow: 0 22px 46px rgba(8, 45, 40, .2);
}

.business-card__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 13px;
  color: #fff;
  background: var(--crab-orange);
  font-size: 11px;
  font-weight: 950;
}

.business-card em {
  display: block;
  margin-bottom: 7px;
  color: var(--crab-orange);
  font-size: 9px;
  font-style: normal;
  font-weight: 950;
  letter-spacing: .1em;
}

.business-card--accent em {
  color: #f5c781;
}

.business-card h3 {
  margin: 0;
  font-size: 21px;
}

.business-card p {
  margin: 9px 0 0;
  color: var(--crab-muted);
  font-size: 12px;
  line-height: 1.75;
}

.business-card--accent p {
  color: rgba(255, 255, 255, .66);
}

.business-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 15px 0 0;
  padding: 0;
  list-style: none;
}

.business-card li {
  padding: 5px 8px;
  border-radius: 7px;
  color: var(--crab-green);
  background: #eff4ef;
  font-size: 9px;
  font-weight: 850;
}

.business-card--accent li {
  color: rgba(255, 255, 255, .82);
  background: rgba(255, 255, 255, .1);
}

.calendar-layout {
  display: grid;
  grid-template-columns: minmax(350px, .74fr) minmax(0, 1.26fr);
  align-items: start;
  gap: 24px;
}

.calendar-copy {
  padding: 30px;
  border: 1px solid rgba(18, 63, 54, .14);
  border-radius: 24px;
  background: var(--crab-green);
  box-shadow: 0 22px 56px rgba(18, 63, 54, .18);
}

.calendar-intro {
  margin: 0;
  color: rgba(255, 255, 255, .74);
  font-size: 13px;
  line-height: 1.85;
}

.spec-list {
  display: grid;
  gap: 0;
  margin: 23px 0 0;
}

.spec-list > div {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid rgba(255, 255, 255, .12);
}

.spec-list dt {
  color: #f5c781;
  font-size: 12px;
  font-weight: 900;
}

.spec-list dd {
  margin: 0;
  color: rgba(255, 255, 255, .67);
  font-size: 11px;
  line-height: 1.6;
}

.calendar-rule {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
  padding: 13px;
  border: 1px solid rgba(255, 255, 255, .13);
  border-radius: 12px;
  background: rgba(255, 255, 255, .07);
}

.calendar-rule span {
  width: 100%;
  color: rgba(255, 255, 255, .42);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .08em;
}

.calendar-rule strong {
  color: #fff;
  font-size: 11px;
}

.calendar-rule i {
  color: #f5c781;
  font-size: 10px;
  font-style: normal;
}

.device-media {
  align-self: stretch;
}

.calendar-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.calendar-points article {
  padding: 22px;
  border: 1px solid rgba(18, 63, 54, .12);
  border-radius: 17px;
  background: rgba(255, 255, 255, .72);
}

.calendar-points span {
  color: var(--crab-orange);
  font-size: 9px;
  font-weight: 950;
  letter-spacing: .08em;
}

.calendar-points h3 {
  margin: 9px 0 0;
  font-size: 17px;
}

.calendar-points p {
  margin: 8px 0 0;
  color: var(--crab-muted);
  font-size: 11px;
  line-height: 1.7;
}

.crab-gift {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 4% 8%, rgba(216, 93, 33, .28), transparent 26%),
    radial-gradient(circle at 94% 94%, rgba(196, 154, 84, .17), transparent 30%),
    linear-gradient(135deg, #082d28, #123f36 64%, #1c5546);
}

.crab-gift::before {
  position: absolute;
  inset: 0;
  opacity: .13;
  background-image: radial-gradient(circle, #fff 1px, transparent 1px);
  background-size: 28px 28px;
  content: "";
  mask-image: linear-gradient(90deg, transparent, #000 42%, transparent);
}

.crab-gift .shell {
  position: relative;
}

.crab-heading--light h2 {
  color: #fff;
}

.crab-heading--light > p {
  color: rgba(255, 255, 255, .6);
}

.crab-heading--light .crab-kicker {
  color: #f5c781;
}

.gift-layout {
  display: grid;
  grid-template-columns: minmax(360px, .82fr) minmax(0, 1.18fr);
  align-items: center;
  gap: 36px;
}

.gift-media {
  border-color: rgba(255, 255, 255, .16);
  background: rgba(255, 255, 255, .08);
  box-shadow: 0 30px 74px rgba(0, 0, 0, .22);
}

.gift-media figcaption strong {
  color: #fff;
}

.gift-media figcaption span {
  color: rgba(255, 255, 255, .5);
}

.gift-copy__tag {
  display: inline-flex;
  align-items: center;
  min-height: 29px;
  padding: 0 11px;
  border: 1px solid rgba(245, 199, 129, .28);
  border-radius: 999px;
  color: #f5c781;
  background: rgba(245, 199, 129, .08);
  font-size: 10px;
  font-weight: 900;
}

.gift-copy h3 {
  max-width: 620px;
  margin: 16px 0 0;
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.2;
  letter-spacing: -.045em;
}

.gift-copy > p {
  max-width: 680px;
  margin: 16px 0 0;
  color: rgba(255, 255, 255, .64);
  font-size: 13px;
  line-height: 1.85;
}

.gift-benefits {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px;
  margin-top: 23px;
}

.gift-benefits article {
  padding: 17px 14px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 14px;
  background: rgba(255, 255, 255, .06);
}

.gift-benefits strong,
.gift-benefits span {
  display: block;
}

.gift-benefits strong {
  color: #fff;
  font-size: 12px;
}

.gift-benefits span {
  margin-top: 6px;
  color: rgba(255, 255, 255, .48);
  font-size: 9px;
  line-height: 1.5;
}

.gift-copy .gift-note {
  margin-top: 15px;
  padding-left: 13px;
  border-left: 2px solid var(--crab-orange);
  color: rgba(255, 255, 255, .48);
  font-size: 10px;
}

.gift-flow {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0;
  margin: 34px 0 0;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, .13);
  border-radius: 18px;
  background: rgba(3, 31, 27, .34);
  list-style: none;
}

.gift-flow li {
  position: relative;
  min-width: 0;
  padding: 20px 16px;
  border-right: 1px solid rgba(255, 255, 255, .1);
}

.gift-flow li:last-child {
  border-right: 0;
}

.gift-flow li:not(:last-child)::after {
  position: absolute;
  z-index: 2;
  top: 50%;
  right: -9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  color: var(--crab-green);
  background: #f5c781;
  content: "›";
  font-size: 13px;
  font-weight: 950;
  transform: translateY(-50%);
}

.gift-flow span,
.gift-flow strong,
.gift-flow small {
  display: block;
}

.gift-flow span {
  color: #f5c781;
  font-size: 9px;
  font-weight: 950;
}

.gift-flow strong {
  margin-top: 9px;
  color: #fff;
  font-size: 13px;
}

.gift-flow small {
  margin-top: 5px;
  color: rgba(255, 255, 255, .42);
  font-size: 9px;
  line-height: 1.45;
}

.fulfillment-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(350px, .82fr);
  gap: 22px;
}

.fulfillment-board {
  overflow: hidden;
  border-radius: 24px;
  color: #fff;
  background: linear-gradient(145deg, var(--crab-green-deep), var(--crab-green));
  box-shadow: 0 26px 64px rgba(8, 45, 40, .2);
}

.fulfillment-board__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 26px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.fulfillment-board__head span {
  color: #f5c781;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .08em;
}

.fulfillment-board__head strong {
  font-size: 13px;
}

.fulfillment-board ol {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.fulfillment-board li {
  position: relative;
  display: flex;
  gap: 12px;
  min-height: 142px;
  padding: 24px 20px;
  border-right: 1px solid rgba(255, 255, 255, .1);
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.fulfillment-board li:nth-child(3n) {
  border-right: 0;
}

.fulfillment-board li:nth-child(n + 4) {
  border-bottom: 0;
}

.fulfillment-board li > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  color: var(--crab-green);
  background: #f5c781;
  font-size: 9px;
  font-weight: 950;
}

.fulfillment-board strong,
.fulfillment-board small {
  display: block;
}

.fulfillment-board li strong {
  font-size: 14px;
}

.fulfillment-board li small {
  margin-top: 8px;
  color: rgba(255, 255, 255, .52);
  font-size: 9px;
  line-height: 1.55;
}

.fulfillment-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 13px;
}

.fulfillment-card {
  padding: 23px;
  border: 1px solid var(--crab-line);
  border-radius: 19px;
  background: #fff;
  box-shadow: 0 14px 38px rgba(22, 57, 48, .08);
}

.fulfillment-card:last-child {
  grid-column: 1 / -1;
}

.fulfillment-card--alert {
  border-color: rgba(216, 93, 33, .23);
  background: #fff8f1;
}

.fulfillment-card > span {
  color: var(--crab-orange);
  font-size: 9px;
  font-weight: 950;
  letter-spacing: .1em;
}

.fulfillment-card h3 {
  margin: 9px 0 0;
  font-size: 19px;
}

.fulfillment-card p {
  margin: 9px 0 0;
  color: var(--crab-muted);
  font-size: 11px;
  line-height: 1.7;
}

.fulfillment-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 15px 0 0;
  padding: 0;
  list-style: none;
}

.fulfillment-card li {
  padding: 5px 7px;
  border-radius: 6px;
  color: var(--crab-green);
  background: #edf3ee;
  font-size: 9px;
  font-weight: 800;
}

.fulfillment-card--alert li {
  color: var(--crab-orange-dark);
  background: rgba(216, 93, 33, .09);
}

.crab-trace {
  position: relative;
  overflow: hidden;
  background: #efe2c9;
}

.crab-trace::before {
  position: absolute;
  top: -220px;
  right: -120px;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(18, 63, 54, .1);
  border-radius: 50%;
  box-shadow: 0 0 0 68px rgba(18, 63, 54, .035), 0 0 0 132px rgba(18, 63, 54, .02);
  content: "";
}

.trace-layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, .83fr) minmax(420px, 1.17fr);
  align-items: center;
  gap: 68px;
}

.trace-copy h2 {
  max-width: 560px;
  margin: 0;
  color: var(--crab-green-deep);
  font-size: clamp(34px, 3.6vw, 52px);
  line-height: 1.13;
  letter-spacing: -.055em;
}

.trace-copy > p {
  max-width: 570px;
  margin: 20px 0 0;
  color: #625d50;
  font-size: 14px;
  line-height: 1.9;
}

.trace-notice {
  display: grid;
  gap: 6px;
  margin-top: 25px;
  padding: 18px 19px;
  border-left: 3px solid var(--crab-orange);
  border-radius: 0 13px 13px 0;
  background: rgba(255, 253, 248, .58);
}

.trace-notice strong {
  color: var(--crab-green);
  font-size: 12px;
}

.trace-notice span {
  color: #736c5d;
  font-size: 10px;
  line-height: 1.65;
}

.trace-ledger {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 13px;
  border: 1px solid rgba(18, 63, 54, .14);
  border-radius: 26px;
  background: rgba(255, 253, 248, .6);
  box-shadow: 0 24px 60px rgba(65, 55, 35, .12);
}

.trace-ledger article {
  display: flex;
  gap: 13px;
  min-height: 154px;
  padding: 22px;
  border: 1px solid rgba(18, 63, 54, .1);
  border-radius: 18px;
  background: var(--crab-paper);
}

.trace-ledger article > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 11px;
  color: #fff;
  background: var(--crab-green);
  font-size: 10px;
  font-weight: 950;
}

.trace-ledger h3 {
  margin: 4px 0 0;
  color: var(--crab-green-deep);
  font-size: 17px;
}

.trace-ledger p {
  margin: 9px 0 0;
  color: var(--crab-muted);
  font-size: 10px;
  line-height: 1.7;
}

.dashboard-media {
  padding: 12px;
}

.dashboard-media .demo-badge {
  position: absolute;
  z-index: 3;
  top: 24px;
  right: 24px;
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 999px;
  color: #fff;
  background: rgba(8, 45, 40, .82);
  backdrop-filter: blur(10px);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .07em;
}

.demo-metrics {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 11px;
  margin-top: 17px;
}

.demo-metrics article {
  min-width: 0;
  padding: 20px;
  border: 1px solid rgba(18, 63, 54, .12);
  border-radius: 17px;
  background: rgba(255, 255, 255, .75);
}

.demo-metrics span,
.demo-metrics strong,
.demo-metrics small {
  display: block;
}

.demo-metrics span {
  color: var(--crab-muted);
  font-size: 9px;
  font-weight: 800;
}

.demo-metrics strong {
  margin-top: 9px;
  color: var(--crab-green-deep);
  font-size: clamp(20px, 2vw, 27px);
  letter-spacing: -.03em;
}

.demo-metrics small {
  margin-top: 7px;
  color: #7b8177;
  font-size: 9px;
  line-height: 1.5;
}

.data-disclaimer {
  margin: 12px 0 0;
  color: #7b8177;
  font-size: 10px;
  text-align: right;
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.plan-card {
  position: relative;
  min-width: 0;
  padding: 25px;
  border: 1px solid var(--crab-line);
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 16px 42px rgba(22, 57, 48, .08);
}

.plan-card--featured {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(145deg, var(--crab-green-deep), var(--crab-green));
  box-shadow: 0 24px 52px rgba(8, 45, 40, .22);
  transform: translateY(-8px);
}

.plan-recommend {
  position: absolute;
  top: 15px;
  right: 15px;
  padding: 5px 8px;
  border-radius: 999px;
  color: var(--crab-green);
  background: #f5c781;
  font-size: 8px;
  font-weight: 950;
}

.plan-card em {
  display: block;
  margin-bottom: 17px;
  color: var(--crab-orange);
  font-size: 10px;
  font-style: normal;
  font-weight: 950;
  letter-spacing: .07em;
}

.plan-card--featured em {
  color: #f5c781;
}

.plan-card h3 {
  margin: 0;
  font-size: 21px;
}

.plan-card p {
  min-height: 62px;
  margin: 11px 0 0;
  color: var(--crab-muted);
  font-size: 11px;
  line-height: 1.7;
}

.plan-card--featured p {
  color: rgba(255, 255, 255, .62);
}

.plan-card ul {
  display: grid;
  gap: 9px;
  margin: 18px 0 0;
  padding: 17px 0 0;
  border-top: 1px solid var(--crab-line);
  list-style: none;
}

.plan-card--featured ul {
  border-top-color: rgba(255, 255, 255, .12);
}

.plan-card li {
  color: #4f5c52;
  font-size: 10px;
  line-height: 1.5;
}

.plan-card li::before {
  margin-right: 7px;
  color: var(--crab-orange);
  content: "✓";
  font-weight: 950;
}

.plan-card--featured li {
  color: rgba(255, 255, 255, .76);
}

.plan-card--featured li::before {
  color: #f5c781;
}

.crab-faq {
  background: linear-gradient(180deg, #f3f5ef, #e9efea);
}

.crab-faq .faq-intro h2 {
  color: var(--crab-green-deep);
  font-size: clamp(32px, 3vw, 46px);
  white-space: nowrap;
}

.crab-faq .faq-intro p {
  color: var(--crab-muted);
}

.crab-faq .faq-item {
  border-color: rgba(18, 63, 54, .12);
  background: rgba(255, 253, 248, .92);
  box-shadow: 0 10px 28px rgba(22, 57, 48, .06);
}

.crab-faq .faq-question::after {
  color: var(--crab-green);
  background: #eaf1eb;
}

.crab-faq .faq-answer {
  color: var(--crab-muted);
}

.crab-contact {
  padding-top: 34px;
  padding-bottom: 90px;
  background: var(--crab-paper);
}

.crab-contact__card {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 38px;
  overflow: hidden;
  padding: 46px;
  border-radius: 27px;
  color: #fff;
  background:
    radial-gradient(circle at 86% 0%, rgba(216, 93, 33, .5), transparent 28%),
    linear-gradient(130deg, var(--crab-green-deep), var(--crab-green));
  box-shadow: 0 28px 70px rgba(8, 45, 40, .22);
}

.crab-contact__card::after {
  position: absolute;
  z-index: -1;
  right: -70px;
  bottom: -140px;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(255, 255, 255, .11);
  border-radius: 50%;
  box-shadow: 0 0 0 44px rgba(255, 255, 255, .03), 0 0 0 88px rgba(255, 255, 255, .02);
  content: "";
}

.crab-contact__card > div:first-child {
  max-width: 760px;
}

.crab-contact__card > div:first-child > span {
  color: #f5c781;
  font-size: 10px;
  font-weight: 950;
  letter-spacing: .12em;
}

.crab-contact__card h2 {
  margin: 10px 0 0;
  font-size: clamp(30px, 3.3vw, 48px);
  line-height: 1.15;
  letter-spacing: -.055em;
}

.crab-contact__card p {
  max-width: 700px;
  margin: 14px 0 0;
  color: rgba(255, 255, 255, .62);
  font-size: 13px;
  line-height: 1.75;
}

.crab-contact__card .button-primary {
  color: var(--crab-green);
  background: #fff8ec;
}

.crab-contact__card .button-secondary {
  border-color: rgba(255, 255, 255, .22);
  background: rgba(255, 255, 255, .08);
}

.crab-presale-page .suite-footer {
  background: linear-gradient(135deg, #062b27, #123f36 64%, #1c5546);
}

@media (max-width: 1180px) {
  .crab-hero__inner {
    grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr);
    gap: 30px;
  }

  .crab-hero__facts {
    grid-template-columns: 1fr;
  }

  .crab-hero__facts article {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
  }

  .crab-hero__facts article:last-child {
    border-bottom: 0;
  }

  .business-layout,
  .calendar-layout,
  .gift-layout,
  .fulfillment-layout,
  .trace-layout {
    grid-template-columns: 1fr;
  }

  .business-media {
    position: static;
  }

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

  .business-card {
    grid-template-columns: 1fr;
  }

  .gift-layout {
    grid-template-columns: minmax(360px, .8fr) minmax(0, 1.2fr);
  }

  .trace-layout {
    gap: 34px;
  }

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

  .plan-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .plan-card--featured {
    transform: none;
  }
}

@media (max-width: 900px) {
  .crab-hero__inner {
    grid-template-columns: 1fr;
  }

  .crab-hero__visual {
    width: min(100%, 760px);
  }

  .crab-heading {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .crab-heading > p {
    max-width: 720px;
    text-align: left;
  }

  .business-list {
    grid-template-columns: 1fr;
  }

  .business-card {
    grid-template-columns: 46px minmax(0, 1fr);
  }

  .gift-layout {
    grid-template-columns: 1fr;
  }

  .gift-media {
    width: min(100%, 620px);
  }

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

  .gift-flow li:nth-child(3) {
    border-right: 0;
  }

  .gift-flow li:nth-child(-n + 3) {
    border-bottom: 1px solid rgba(255, 255, 255, .1);
  }

  .gift-flow li:nth-child(3)::after {
    display: none;
  }

  .gift-flow li:nth-child(6)::after {
    display: none;
  }

  .calendar-points,
  .gift-benefits {
    grid-template-columns: 1fr;
  }

  .crab-contact__card {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 680px) {
  .crab-hero {
    padding: 52px 0;
  }

  .crab-hero h1 {
    font-size: clamp(34px, 10vw, 48px);
  }

  .crab-hero__claim {
    font-size: 20px;
  }

  .crab-hero__caption {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
    margin-top: 9px;
  }

  .crab-hero__caption strong {
    text-align: left;
  }

  .crab-section {
    padding: 64px 0;
  }

  .crab-heading {
    margin-bottom: 24px;
  }

  .crab-heading h2,
  .trace-copy h2 {
    font-size: clamp(28px, 8vw, 38px);
  }

  .crab-media figcaption {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  .crab-media figcaption span {
    text-align: left;
  }

  .business-card {
    grid-template-columns: 40px minmax(0, 1fr);
    padding: 20px;
  }

  .calendar-copy {
    padding: 23px;
  }

  .spec-list > div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .gift-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .gift-flow li,
  .gift-flow li:nth-child(3) {
    border-right: 1px solid rgba(255, 255, 255, .1);
    border-bottom: 1px solid rgba(255, 255, 255, .1);
  }

  .gift-flow li:nth-child(2n) {
    border-right: 0;
  }

  .gift-flow li:nth-child(n + 5) {
    border-bottom: 0;
  }

  .gift-flow li::after {
    display: none !important;
  }

  .fulfillment-board ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .fulfillment-board li,
  .fulfillment-board li:nth-child(3n),
  .fulfillment-board li:nth-child(n + 4) {
    border-right: 1px solid rgba(255, 255, 255, .1);
    border-bottom: 1px solid rgba(255, 255, 255, .1);
  }

  .fulfillment-board li:nth-child(2n) {
    border-right: 0;
  }

  .fulfillment-board li:nth-child(n + 5) {
    border-bottom: 0;
  }

  .fulfillment-cards,
  .trace-ledger,
  .demo-metrics,
  .plan-grid {
    grid-template-columns: 1fr;
  }

  .fulfillment-card:last-child {
    grid-column: auto;
  }

  .trace-ledger article {
    min-height: 0;
  }

  .data-disclaimer {
    text-align: left;
  }

  .crab-contact {
    padding-bottom: 64px;
  }

  .crab-contact__card {
    padding: 29px 22px;
  }

  .crab-contact__card h2 {
    font-size: 29px;
  }
}

@media (max-width: 420px) {
  .crab-hero__label {
    align-items: flex-start;
    flex-direction: column;
    border-radius: 14px;
  }

  .crab-hero__facts article {
    padding: 13px;
  }

  .business-card {
    grid-template-columns: 1fr;
  }

  .fulfillment-board ol,
  .gift-flow {
    grid-template-columns: 1fr;
  }

  .fulfillment-board li,
  .fulfillment-board li:nth-child(2n),
  .fulfillment-board li:nth-child(n + 5) {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
  }

  .fulfillment-board li:last-child,
  .gift-flow li:last-child {
    border-bottom: 0;
  }

  .gift-flow li,
  .gift-flow li:nth-child(2n),
  .gift-flow li:nth-child(n + 5) {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
  }

  .gift-flow li:last-child {
    border-bottom: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .plan-card--featured {
    transform: none;
  }
}

/* 旺季履约与 FAQ 二次重构：桌面端强调单行标题、清晰流程与紧凑信息密度。 */
.fulfillment-heading {
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: 12px;
  margin-bottom: 30px;
}

.fulfillment-heading h2 {
  max-width: none;
  font-size: clamp(34px, 3.2vw, 50px);
  line-height: 1.08;
  white-space: nowrap;
}

.fulfillment-heading > p {
  max-width: 920px;
  text-align: left;
}

.fulfillment-layout {
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.fulfillment-board--timeline {
  overflow: visible;
  padding: 0;
  border: 1px solid rgba(18, 63, 54, .13);
  color: var(--crab-ink);
  background: linear-gradient(180deg, #fffdf8, #f7f2e8);
  box-shadow: 0 22px 60px rgba(22, 57, 48, .11);
}

.fulfillment-board--timeline .fulfillment-board__head {
  padding: 20px 24px;
  border-bottom: 0;
  border-radius: 23px 23px 0 0;
  color: #fff;
  background: linear-gradient(120deg, var(--crab-green-deep), var(--crab-green));
}

.fulfillment-board--timeline .fulfillment-board__head strong {
  color: rgba(255, 255, 255, .78);
}

.fulfillment-board--timeline ol {
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 11px;
  padding: 18px;
}

.fulfillment-board--timeline li,
.fulfillment-board--timeline li:nth-child(3n),
.fulfillment-board--timeline li:nth-child(n + 4) {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  min-height: 172px;
  padding: 20px 17px 18px;
  overflow: visible;
  border: 1px solid rgba(18, 63, 54, .11);
  border-radius: 16px;
  color: var(--crab-ink);
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 10px 26px rgba(22, 57, 48, .06);
}

.fulfillment-board--timeline li::before {
  position: absolute;
  top: 0;
  right: 17px;
  left: 17px;
  height: 3px;
  border-radius: 0 0 99px 99px;
  content: "";
  background: var(--crab-green);
}

.fulfillment-board--timeline li:nth-child(2n)::before {
  background: var(--crab-orange);
}

.fulfillment-board--timeline li:nth-child(3n)::before {
  background: var(--crab-gold);
}

.fulfillment-board--timeline li:not(:last-child)::after {
  position: absolute;
  z-index: 3;
  top: 72px;
  right: -17px;
  content: "→";
  color: var(--crab-gold);
  font-size: 17px;
  font-weight: 950;
}

.fulfillment-board--timeline li > span {
  width: 34px;
  height: 34px;
  margin-bottom: 19px;
  border-radius: 11px;
  color: #fff;
  background: var(--crab-orange);
  box-shadow: 0 8px 18px rgba(216, 93, 33, .18);
  font-size: 10px;
}

.fulfillment-board--timeline li strong {
  color: var(--crab-green-deep);
  font-size: 16px;
  line-height: 1.3;
}

.fulfillment-board--timeline li small {
  margin-top: 10px;
  color: var(--crab-muted);
  font-size: 11px;
  line-height: 1.65;
}

.fulfillment-support-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.fulfillment-support-grid .fulfillment-card,
.fulfillment-support-grid .fulfillment-card:last-child {
  position: relative;
  grid-column: auto;
  min-height: 224px;
  overflow: hidden;
  padding: 29px 27px 25px;
  border-radius: 20px;
}

.fulfillment-support-grid .fulfillment-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 5px;
  content: "";
  background: linear-gradient(90deg, var(--crab-green), var(--crab-gold));
}

.fulfillment-support-grid .fulfillment-card:nth-child(2)::before {
  background: linear-gradient(90deg, var(--crab-gold), var(--crab-orange));
}

.fulfillment-support-grid .fulfillment-card--alert::before {
  background: linear-gradient(90deg, var(--crab-orange), #f1ad69);
}

.fulfillment-support-grid .fulfillment-card > span {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 0 9px;
  border-radius: 99px;
  color: var(--crab-green);
  background: #edf3ee;
}

.fulfillment-support-grid .fulfillment-card--alert > span {
  color: var(--crab-orange-dark);
  background: rgba(216, 93, 33, .1);
}

.fulfillment-support-grid .fulfillment-card h3 {
  margin-top: 15px;
  font-size: 22px;
}

.fulfillment-support-grid .fulfillment-card p {
  font-size: 12px;
  line-height: 1.75;
}

.fulfillment-support-grid .fulfillment-card ul {
  margin-top: 18px;
}

.crab-faq {
  padding: 78px 0 84px;
  background:
    radial-gradient(circle at 92% 8%, rgba(196, 154, 84, .13), transparent 24%),
    linear-gradient(180deg, #f5f7f2, #e9efea);
}

.crab-faq .faq-layout--compact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: stretch;
  gap: 28px;
}

.crab-faq .faq-intro--compact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 480px);
  align-items: end;
  gap: 44px;
  flex: none;
}

.crab-faq .faq-intro--compact h2 {
  max-width: none;
  font-size: clamp(34px, 3vw, 46px);
  line-height: 1.12;
  white-space: nowrap;
}

.faq-intro__aside p {
  margin: 0;
  text-align: right;
}

.faq-topics {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 7px;
  margin-top: 14px;
}

.faq-topics span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border: 1px solid rgba(18, 63, 54, .1);
  border-radius: 99px;
  color: var(--crab-green);
  background: rgba(255, 253, 248, .82);
  font-size: 10px;
  font-weight: 900;
}

.crab-faq .faq-list--compact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  width: 100%;
  counter-reset: crab-faq;
}

.crab-faq .faq-list--compact .faq-item {
  width: 100%;
  margin: 0;
  counter-increment: crab-faq;
  border-radius: 17px;
}

.crab-faq .faq-list--compact .faq-question {
  gap: 14px;
  min-height: 62px;
  padding: 0 21px;
  font-size: 14px;
}

.crab-faq .faq-list--compact .faq-question::before {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  content: counter(crab-faq, decimal-leading-zero);
  color: #fff;
  background: var(--crab-green);
  font-size: 10px;
  font-weight: 950;
}

.crab-faq .faq-list--compact .faq-question::after {
  margin-left: auto;
}

.crab-faq .faq-list--compact .faq-item.open {
  border-color: rgba(18, 63, 54, .22);
  box-shadow: 0 16px 36px rgba(22, 57, 48, .09);
}

.crab-faq .faq-list--compact .faq-answer {
  margin: 0 21px 0 69px;
  padding: 0 0 20px;
  border-top: 1px solid rgba(18, 63, 54, .09);
  font-size: 13px;
  line-height: 1.85;
}

.crab-faq .faq-list--compact .faq-item.open .faq-answer {
  padding-top: 15px;
}

@media (max-width: 1180px) {
  .fulfillment-board--timeline ol {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .fulfillment-board--timeline li:not(:last-child)::after {
    display: none;
  }
}

@media (max-width: 900px) {
  .fulfillment-heading h2,
  .crab-faq .faq-intro--compact h2 {
    white-space: nowrap;
  }

  .fulfillment-board--timeline ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .fulfillment-support-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .fulfillment-support-grid .fulfillment-card,
  .fulfillment-support-grid .fulfillment-card:last-child {
    min-height: 0;
  }

  .crab-faq .faq-intro--compact {
    grid-template-columns: minmax(0, 1fr);
    gap: 15px;
  }

  .faq-intro__aside p {
    text-align: left;
  }

  .faq-topics {
    justify-content: flex-start;
  }
}

@media (max-width: 560px) {
  .fulfillment-board--timeline .fulfillment-board__head {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
  }

  .fulfillment-board--timeline ol {
    grid-template-columns: minmax(0, 1fr);
  }

  .fulfillment-board--timeline li,
  .fulfillment-board--timeline li:nth-child(2n),
  .fulfillment-board--timeline li:nth-child(3n),
  .fulfillment-board--timeline li:nth-child(n + 4),
  .fulfillment-board--timeline li:nth-child(n + 5) {
    min-height: 0;
    border: 1px solid rgba(18, 63, 54, .11);
  }

  .crab-faq .faq-list--compact .faq-question {
    padding: 10px 14px;
    font-size: 13px;
    line-height: 1.45;
  }

  .crab-faq .faq-list--compact .faq-answer {
    margin-right: 14px;
    margin-left: 62px;
  }
}