/* 星辰出海｜蕾蕾 Lisa
   The global brand layer. It intentionally uses one deep-blue field and one orange signal. */

body {
  font-family: var(--font);
  background: var(--l-bg);
}

h1, h2, h3, h4,
.hero-cn,
.sec-title {
  font-family: var(--display);
}

.logo {
  gap: 8px;
  white-space: nowrap;
}

.logo-dot {
  width: 9px;
  height: 9px;
  border-radius: 1px;
  background: var(--cyan-500);
  box-shadow: 0 0 0 4px rgba(244, 122, 56, .14);
  transform: rotate(45deg);
}

.logo-name {
  color: #FFFFFF;
  font-weight: 800;
}

.logo-by {
  color: var(--d-text-muted);
  font-family: var(--serif);
  font-size: 14px;
  font-style: italic;
  font-weight: 600;
  letter-spacing: .01em;
}

.nav-links a,
.mobile-menu a {
  font-size: 14px;
}

.nav-links a::after {
  background: var(--cyan-500);
}

.btn-grad {
  background: var(--cyan-500);
  box-shadow: none;
}

.btn-grad:hover {
  background: var(--cyan-600);
  box-shadow: none;
}

.hairline {
  height: 2px;
  background: var(--cyan-500);
}

/* Home: a navigational chart rather than a generic consultant landing page. */
.brand-hero {
  position: relative;
  overflow: hidden;
  background: var(--d-bg);
  color: var(--d-text);
  border-bottom: 1px solid var(--d-border);
}

.brand-hero::before {
  position: absolute;
  inset: 0;
  content: "";
  opacity: .48;
  background-image:
    linear-gradient(90deg, transparent 0, transparent 92%, rgba(248, 160, 97, .16) 92%, rgba(248, 160, 97, .16) calc(92% + 1px), transparent calc(92% + 1px)),
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 100% 100%, 46px 46px, 46px 46px;
  pointer-events: none;
}

.brand-hero-in {
  position: relative;
  z-index: 1;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 68px 20px 62px;
}

.brand-hero-grid {
  display: grid;
  gap: 42px;
  align-items: end;
}

.brand-kicker,
.offer-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  color: var(--d-text-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .13em;
}

.brand-kicker::before,
.offer-kicker::before {
  width: 22px;
  height: 1px;
  content: "";
  background: var(--cyan-500);
}

.brand-hero h1 {
  max-width: 13em;
  margin: 0;
  color: #FFFFFF;
  font-size: clamp(38px, 7.3vw, 76px);
  font-weight: 800;
  letter-spacing: -.045em;
  line-height: 1.13;
  text-wrap: balance;
}

.brand-hero h1 em {
  color: var(--d-accent);
  font-family: var(--serif);
  font-size: .74em;
  font-style: italic;
  font-weight: 600;
  letter-spacing: -.025em;
}

.brand-lead {
  max-width: 37em;
  margin: 24px 0 0;
  color: var(--d-text);
  font-size: clamp(17px, 3.4vw, 20px);
  line-height: 1.8;
}

.brand-lead strong {
  color: #FFFFFF;
  font-weight: 750;
}

.brand-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.brand-actions .btn {
  min-height: 48px;
  padding: 13px 20px;
  border-radius: 3px;
  font-size: 15px;
}

.route-brief {
  position: relative;
  padding: 26px 0 2px 23px;
  border-top: 1px solid var(--d-border-strong);
}

.route-brief::before {
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  content: "";
  background: var(--cyan-500);
  transform: rotate(45deg);
}

.route-label {
  margin: 0 0 13px;
  color: var(--d-accent);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.route-brief p:not(.route-label) {
  max-width: 25em;
  margin: 0;
  color: #FFFFFF;
  font-size: clamp(19px, 4vw, 24px);
  font-weight: 700;
  line-height: 1.55;
}

.route-brief small {
  display: block;
  margin-top: 14px;
  color: var(--d-text-muted);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.75;
}

.brand-stage-list {
  display: grid;
  border-top: 1px solid var(--l-border);
}

.brand-stage {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 13px;
  padding: 24px 0;
  border-bottom: 1px solid var(--l-border);
}

.brand-stage-n {
  color: var(--cyan-600);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .1em;
}

.brand-stage h3,
.brand-stage p {
  margin: 0;
}

.brand-stage h3 {
  color: var(--l-heading);
  font-size: clamp(19px, 4.8vw, 25px);
  line-height: 1.4;
}

.brand-stage p {
  max-width: 38em;
  margin-top: 6px;
  color: var(--l-text-muted);
  font-size: 15px;
  line-height: 1.8;
}

.brand-method {
  background: var(--d-bg-alt);
  color: var(--d-text);
}

.method-layout {
  display: grid;
  gap: 34px;
}

.method-copy .sec-kicker {
  color: var(--d-accent);
}

.method-copy .sec-title {
  color: #FFFFFF;
}

.method-copy .sec-desc {
  color: var(--d-text);
  font-size: 16px;
  line-height: 1.85;
}

.method-note {
  margin: 20px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--cyan-500);
  color: #FFFFFF;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.7;
}

.method-map {
  display: grid;
  border-top: 1px solid var(--d-border-strong);
}

.method-node {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  padding: 17px 0;
  border-bottom: 1px solid var(--d-border);
}

.method-node span {
  color: var(--d-accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
}

.method-node b {
  color: #FFFFFF;
  font-size: 16px;
  line-height: 1.45;
}

.method-node p {
  grid-column: 2;
  margin: -6px 0 0;
  color: var(--d-text-muted);
  font-size: 14px;
  line-height: 1.7;
}

.service-lines {
  border-top: 1px solid var(--l-border);
}

.service-line {
  display: grid;
  gap: 12px;
  padding: 28px 0;
  border-bottom: 1px solid var(--l-border);
}

.service-line-label {
  color: var(--cyan-600);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
}

.service-line h3,
.service-line p {
  margin: 0;
}

.service-line h3 {
  color: var(--l-heading);
  font-size: clamp(21px, 4.7vw, 27px);
  line-height: 1.35;
}

.service-line p {
  max-width: 38em;
  color: var(--l-text-muted);
  font-size: 15px;
  line-height: 1.8;
}

.service-line a {
  align-self: start;
  color: var(--l-link);
  font-size: 15px;
  font-weight: 750;
}

.brand-proof {
  background: var(--l-bg-alt);
}

.brand-proof-grid {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--l-border);
}

.brand-proof-item {
  display: grid;
  grid-template-columns: minmax(100px, 28%) minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 24px 0;
  border-bottom: 1px solid var(--l-border);
}

.brand-proof-num {
  color: var(--l-accent);
  font-size: clamp(29px, 7vw, 46px);
  font-weight: 800;
  letter-spacing: -.045em;
  line-height: 1;
}

.brand-proof-item p {
  margin: 0;
  color: var(--l-text-muted);
  font-size: 15px;
  line-height: 1.75;
}

.brand-proof-item b {
  display: block;
  margin-bottom: 5px;
  color: var(--l-heading);
  font-size: 16px;
}

/* Offer pages use the same content sequence, without sales-page theatrics. */
.offer-hero {
  position: relative;
  overflow: hidden;
  padding: 64px 0 58px;
  background: var(--d-bg);
}

.offer-hero::after {
  position: absolute;
  top: 28px;
  right: 8%;
  width: min(21vw, 210px);
  aspect-ratio: 1;
  content: "";
  border: 1px solid rgba(248, 160, 97, .38);
  transform: rotate(45deg);
}

.offer-hero-in {
  position: relative;
  z-index: 1;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 20px;
}

.offer-hero h1 {
  max-width: 13em;
  margin: 0;
  color: #FFFFFF;
  font-size: clamp(34px, 7vw, 60px);
  font-weight: 800;
  letter-spacing: -.04em;
  line-height: 1.16;
  text-wrap: balance;
}

.offer-lead {
  max-width: 38em;
  margin: 20px 0 0;
  color: var(--d-text);
  font-size: 17px;
  line-height: 1.85;
}

.offer-lead strong {
  color: #FFFFFF;
}

.offer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.offer-actions .btn {
  border-radius: 3px;
}

.offer-list {
  display: grid;
  border-top: 1px solid var(--l-border);
}

.offer-item {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 14px;
  padding: 24px 0;
  border-bottom: 1px solid var(--l-border);
}

.offer-item-n {
  color: var(--cyan-600);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .1em;
}

.offer-item h3,
.offer-item p {
  margin: 0;
}

.offer-item h3 {
  font-size: 20px;
  line-height: 1.45;
}

.offer-item p {
  margin-top: 7px;
  color: var(--l-text-muted);
  font-size: 15px;
  line-height: 1.8;
}

.offer-boundary {
  max-width: var(--prose);
  padding: 20px 0 0 18px;
  border-left: 3px solid var(--cyan-500);
  color: var(--l-text);
  font-size: 16px;
  line-height: 1.85;
}

.offer-contact {
  background: var(--d-bg-alt);
}

.offer-contact .sec-kicker { color: var(--d-accent); }
.offer-contact .sec-title { color: #FFFFFF; }
.offer-contact .sec-desc { color: var(--d-text); }
.offer-contact .wechat {
  border-radius: 3px;
  box-shadow: none;
}

@media (min-width: 720px) {
  .brand-stage { grid-template-columns: 86px minmax(0, 1fr); gap: 22px; padding: 32px 0; }
  .service-line { grid-template-columns: 110px minmax(0, 1fr) auto; gap: 24px; align-items: start; }
  .service-line h3 { grid-column: 2; }
  .service-line p { grid-column: 2; }
  .service-line a { grid-column: 3; grid-row: 1 / span 2; margin-top: 5px; }
  .brand-proof-grid { grid-template-columns: repeat(3, 1fr); }
  .brand-proof-item { display: block; min-height: 190px; padding: 30px 24px; border-right: 1px solid var(--l-border); }
  .brand-proof-item:last-child { border-right: 0; }
  .brand-proof-item p { margin-top: 20px; }
}

@media (min-width: 920px) {
  .brand-hero-in { padding-top: 112px; padding-bottom: 96px; }
  .brand-hero-grid { grid-template-columns: minmax(0, 1.25fr) minmax(290px, .65fr); gap: 72px; }
  .method-layout { grid-template-columns: minmax(0, .83fr) minmax(360px, .9fr); gap: 80px; align-items: start; }
  .method-map { margin-top: 8px; }
  .offer-hero { padding: 94px 0 86px; }
}

@media (max-width: 480px) {
  .logo-by { display: none; }
  .brand-hero h1 { font-size: clamp(35px, 10vw, 49px); }
}