:root {
  --blue: #00A6E0;
  --blue-d: #0086B5;
  --blue-dd: #006B92;
  --blue-l: #DCF1FA;
  --blue-soft: #F0F8FC;
  --orange: #FF8A3D;
  --orange-d: #E57226;
  --orange-soft: #FFE9DA;
  --green: #22C55E;
  --green-l: #E7F8ED;
  --ink: #1F2937;
  --muted: #6B7280;
  --line: #E5E7EB;
  --navy: #0F2A5C;
  --r: 12px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-full: 999px;
  --sh: 0 1px 2px rgba(15, 23, 42, .04), 0 1px 3px rgba(15, 23, 42, .06);
  --sh-md: 0 8px 24px rgba(15, 23, 42, .10);
  --sh-lg: 0 24px 56px rgba(15, 23, 42, .16);
  --pad: clamp(16px, 4vw, 32px);
  --ease: cubic-bezier(.16, 1, .3, 1);
  --footer-bg: #011430;
  --footer-text: rgba(255, 255, 255, .78);
}

*, *::before, *::after {
  box-sizing: border-box
}
.img100 {
  width: 100%;
  display: block;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%
}

body {
  margin: 0;
  font: 400 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: #fff;
  -webkit-font-smoothing: antialiased
}

h1, h2, h3, h4 {
  margin: 0;
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -.02em
}

p {
  margin: 0
}

a {
  color: inherit;
  text-decoration: none
}

img {
  display: block;
  max-width: 100%
}

ul {
  margin: 0;
  padding: 0;
  list-style: none
}

.wrap {
  max-width: 1200px;
  margin-inline: auto;
}

/* 图片占位符（后续替换为真实素材） */
.ph {
  background: linear-gradient(135deg, #E2E8F0, #CBD5E1);
  display: grid;
  place-items: center;
  color: #64748B;
  font-size: clamp(11px, 1.2vw, 13px);
  font-weight: 600;
  letter-spacing: .04em;
  text-align: center;
  padding: 12px;
  border-radius: inherit;
  width: 100%;
  height: 100%;
  min-height: 80px
}

.ph--people {
  background: linear-gradient(160deg, #BFD9EA, #7FB3D5 55%, #4A8FB8)
}

.ph--coin {
  background: linear-gradient(160deg, #FFF3D6, #F5D08A)
}

.ph--3d {
  background: linear-gradient(160deg, #D6EBF7, #8FC4E4)
}

.ph--logo {
  background: #fff;
  border: 1px solid var(--line);
  min-height: 0;
  padding: 0
}

/* 按钮 */
.btn {
  width: 100%;
  background: #55C9F8;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  color: #FFFFFF;
  border: 0;
  cursor: pointer;
  white-space: nowrap;
  margin-top: 20px;
}

.btn:active {
  transform: scale(.97)
}

.btn--blue {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 10px 24px rgba(0, 166, 224, .36)
}

.btn--blue:hover {
  background: var(--blue-d);
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(0, 166, 224, .46)
}

.btn--block {
  width: 100%
}

/* ============ Nav ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(229, 231, 235, .7)
}

.nav__in {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 68px
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--blue);
  letter-spacing: -.02em
}

.brand__mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 16px;
  font-weight: 800;
}

.nav__links {
  display: flex;
  gap: 2px;
  margin-left: auto;
  align-items: center
}

.nav__link {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  transition: .18s
}

.nav__link:hover {
  color: var(--blue)
}

.nav__link.on {
  color: var(--blue);
  background: var(--blue-l)
}

.nav__cta {
  margin-left: 8px;
  padding: 10px 18px;
  font-size: 14px
}

.nav__burger {
  display: none;
  margin-left: auto;
  background: none;
  border: 0;
  width: 40px;
  height: 40px;
  border-radius: 10px
}

.nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
  border-radius: 2px
}

/* ============ Hero ============ */
.hero {
  padding-block: clamp(20px, 7vw, 48px);
  background: url("../../assets/img/home-bg.png") no-repeat center center;
  background-size: cover;
}

.hero__in {
  display: grid;
  grid-template-columns:.78fr 1.22fr;
  grid-template-areas:"text vis";
  gap: clamp(24px, 4vw, 52px);
  align-items: center
}

.hero__text {
  grid-area: text
}

.hero__sim {
  grid-area: vis;
  position: relative;
  width: 100%;
  height: 100%;
  z-index: 2;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.hero h1 {
  font-size: clamp(38px, 5.6vw, 64px);
  line-height: 1.03;
  margin-bottom: 20px
}

.hero h1 em {
  font-style: normal;
  color: var(--blue)
}

.hero__lead {
  color: var(--muted);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.65;
  max-width: 470px;
  margin-bottom: 24px
}

.checks {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 26px;
  padding-top: 50px;
  position: relative;
  z-index: 2;
}

.check {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: #64607D;
}

.check i {
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #2BD234;
  color: #FFFFFF ;
  display: grid;
  place-items: center;
  font-style: normal;
  font-size: 12px
}

.hero__cta {
  margin-bottom: 16px
}

.fine {
  display: flex;
  gap: 9px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
  max-width: 460px
}

.fine b {
  color: var(--blue);
  flex: none
}

/* Hero 右侧视觉 */
.hero__vis {
  grid-area: vis;
  position: relative;
  width: 100%;
  aspect-ratio: 1/1.06;
  min-height: 440px;
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--sh-lg);
  background: #7FB3D5
}

.hero__ph {
  position: absolute;
  inset: 0
}

/* 模拟器 */
.sim {
  width: 400px;
  overflow-y: auto;
  background: #fff;
  border-radius: var(--r-lg);
  box-shadow: var(--sh-lg);
  padding: clamp(13px, 1.5vw, 18px);
  gap: 9px
}

.sim__hd {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  font-weight: 700;
  color: var(--blue)
}

.sim__hd::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 4px rgba(0, 166, 224, .2);
  flex: none
}

.sim__q {
  font-size: 14px;
  color: var(--muted);
  padding-top: 40px;
  text-align: center;
}

.sim__amt {
  font-size: clamp(26px, 2.8vw, 32px);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1;
  padding-top: 12px;
  text-align: center;
}

.sim__rng {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  color: var(--muted);
  padding-top: 4px
}

.sim__lb {
  font-size: 12px;
  color: #404145;
  padding-top: 20px
}

.sim__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 13px;
  padding-top: 15px;
}

.sim__row b {
  font-weight: 700
}

.sim__row b.hi {
  color: var(--orange)
}

.slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 14px;
  background: none;
  cursor: pointer;
  margin: 0 auto;
  padding-top: 20px
}

.slider::-webkit-slider-runnable-track {
  height: 5px;
  border-radius: 99px;
  background: linear-gradient(to right, var(--orange) 0 var(--p, 14%), #E2E8F0 var(--p, 14%) 100%)
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--orange);
  border: 3px solid #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, .22);
  margin-top: -8px
}

.slider::-moz-range-track {
  height: 5px;
  border-radius: 99px;
  background: #E2E8F0
}

.slider::-moz-range-progress {
  height: 5px;
  border-radius: 99px;
  background: var(--orange)
}

.slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--orange);
  border: 3px solid #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, .22)
}

.sel {
  position: relative
}

.sel::after {
  content: "";
  position: absolute;
  right: 13px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none
}

.sel select {
  width: 100%;
  padding: 9px 34px 9px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font: 500 14px/1.3 inherit;
  color: var(--ink);
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer
}

.note {
  display: flex;
  gap: 7px;
  font-size: 11px;
  line-height: 1.42;
  border-radius: 8px;
  padding: 9px 11px
}

.note svg {
  flex: none;
  margin-top: 1px
}

.note--info {
  /*background: var(--blue-soft);*/
  color: #333333
}

.note--warn {
  background: var(--orange-soft);
  color: var(--orange-d)
}

/* ============ 通用区块 ============ */
.sec {
  padding: 70px 0;
}

.sec--soft {
  background: #EDFAFF
}

.eyebrow {
  display: inline-block;
  font-size: 30px;
  font-weight: 700;
  color: #55C9F8;
  letter-spacing: .06em;
  margin-bottom: 10px
}

.head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto clamp(32px, 5vw, 52px)
}

.head h2 {
  font-size: clamp(26px, 3.6vw, 40px);
  color: var(--ink)
}

.head h2 + p {
  margin-top: 12px;
  color: var(--muted);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.6
}

/* ============ Cómo funciona ============ */
.grid3 {
  display: grid;
  grid-template-columns:repeat(3, 1fr);
  gap: clamp(18px, 2.6vw, 28px)
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(22px, 2.8vw, 32px);
  box-shadow: var(--sh);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease)
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--sh-md)
}

.card__no {
  font-size: 13px;
  font-weight: 700;
  color: #94A3B8;
  margin-bottom: 14px
}

.card__ic {
  width: 54px;
  margin-bottom: 16px;
  overflow: hidden
}

.card__ic img {
  width: 100%;
}

.card h3 {
  font-size: clamp(17px, 1.9vw, 19px);
  margin-bottom: 8px
}

.card p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.62;
  text-align: center;
}

/* ============ Costos ============ */
.split {
  display: grid;
  grid-template-columns:1fr 1fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: flex-start;
}

.split h2 {
  font-size: clamp(28px, 3.8vw, 42px);
  margin-bottom: 14px
}

.split > p {
  color: var(--muted);
  line-height: 1.7;
  font-size: clamp(15px, 1.5vw, 16.5px);
  max-width: 430px;
  margin-bottom: 22px
}

.coin {
  margin-top: 24px;
  aspect-ratio: 16/10;
  max-width: 400px;
  border-radius: var(--r-lg);
  overflow: hidden;
  transform: translateY(-100px);
  position: relative;
  z-index: 0;
}

.eg {
  background: #55C9F8;
  color: #333333;
  border-radius: var(--r-lg);
  padding: clamp(22px, 3vw, 32px);
  box-shadow: 0 18px 44px rgba(0, 134, 181, .28);
  position: relative;
  overflow: hidden
}

.eg::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(80% 60% at 100% 0, rgba(255, 255, 255, .16), transparent 62%)
}

.eg h3 {
  font-size: clamp(17px, 2vw, 20px);
  margin-bottom: 16px;
  position: relative
}

.eg ul {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 9px;
  font-size: 13px;
  line-height: 1.5
}

.eg li {
  color: #333333;
  display: flex;
  gap: 8px
}

.eg li span {
  flex: none;
  min-width: 150px;
}

.eg li b {
  color: #333333;
  font-weight: 400;
}

/* ============ Requisitos ============ */
.req {
  display: flex;
  flex-direction: column;
  gap: 14px
}

.req__row {
  display: flex;
  gap: 14px;
  align-items: center;
  background: #fff;
  border-radius: var(--r);
  padding: 15px 0
}

.req__ic {
  width: 70px;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 14px
}

.req__q {
  font-size: 26px;
  font-weight: 700;
  color: #333333;
  margin-bottom: 5px
}

.req__a {
  font-size: 18px;
  color: #64607D;
  line-height: 1.6
}

.illu {
  aspect-ratio: 1/1;
  max-width: 400px;
  margin-inline: auto;
  border-radius: var(--r-xl);
  overflow: hidden
}

/* ============ FAQ ============ */
.faq {
  display: flex;
  flex-direction: column;
  gap: 10px
}

.faq__it {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 15px 18px;
  cursor: pointer;
  transition: border-color .2s
}

.faq__it:hover {
  border-color: var(--blue-l)
}

.faq__it summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 600;
  list-style: none;
  cursor: pointer
}

.faq__it summary::-webkit-details-marker {
  display: none
}

.faq__it summary::after {
  content: "+";
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--blue-l);
  color: var(--blue);
  display: grid;
  place-items: center;
  font-weight: 700;
  transition: transform .25s var(--ease)
}

.faq__it[open] summary::after {
  transform: rotate(45deg)
}

.faq__it p {
  margin-top: 11px;
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.62
}

.aside {
  display: flex;
  flex-direction: column;
  gap: 16px
}

.aside__ph {
  aspect-ratio: 4/5;
  max-width: 340px;
  margin-inline: auto;
  border-radius: var(--r-xl);
  overflow: hidden;
  width: 100%
}

.contact {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 20px 22px;
  box-shadow: var(--sh)
}

.contact h4 {
  font-size: 13px;
  color: var(--blue);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 12px
}

.contact div {
  display: flex;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  padding: 10px;

  justify-content: flex-start;
  align-items: center;
}

.contact p + p {
  margin-top: 8px
}

.contact b {
  color: var(--ink)
}

/* ============ Social ============ */
.social {
  text-align: center
}

.social .eyebrow {
  margin-bottom: 22px
}

.logos {
  display: flex;
  justify-content: space-around;
  gap: clamp(16px, 3vw, 32px);
  flex-wrap: wrap
}

.logo {
  width: clamp(120px, 15vw, 168px);
  height: clamp(52px, 6vw, 64px);
  border-radius: 12px;
  overflow: hidden;
  display: grid;
  place-items: center;
  padding: 10px 14px
}

/* ---------- Footer ---------- */
footer {
  background: var(--footer-bg);
  padding: 62px 0 0;
  color: #fff
}

.ft__grid {
  display: grid;
  grid-template-columns:1.3fr .9fr .9fr 1.4fr;
  gap: 48px;
  padding-bottom: 58px;
}

.ft__brand .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 18px;
}

.ft__brand .brand .logo-ph {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ft__brand p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--footer-text);
  max-width: 260px;
}

.ft__col h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 20px;
  color: #fff;
}

.ft__col ul {
  list-style: none
}

.ft__col li {
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 14px;
  color: var(--footer-text)
}

.ft__col a:hover {
  color: #fff;
  text-decoration: underline
}

.ft__contact li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 16px
}

.ft__contact .icon-ph {
  width: 20px;
  height: 20px;
  flex: none;
  border-radius: 4px;
  background: rgba(255, 255, 255, .15);
  margin-top: 2px;
}

.ft__bot {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 22px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, .5);
}

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .hero__in {
    grid-template-columns:1fr;
    grid-template-areas:"vis" "text" "sim";
    display: flex;
    flex-direction: row-reverse;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
  }

  .hero__vis {
    max-width: 560px;
    margin-inline: auto;
    aspect-ratio: 1/.9
  }

  .hero__sim {
    position: static;
    grid-area: sim;
    width: 100%;
    max-width: 460px;
    margin: 0 auto;
    height: auto;
    order: -1;
  }

  .sim {
    position: static;
    width: 100%;
    max-width: 460px;
    margin: 0 auto;
    max-height: none;
    transform: none;
    box-shadow: var(--sh-md)
  }

  .hero__ph {
    position: absolute;
    inset: 0
  }

  .grid3 {
    grid-template-columns:1fr 1fr
  }

  .split, .req-grid, .faq-grid {
    grid-template-columns:1fr
  }

  .illu, .aside__ph {
    max-width: 320px
  }
}

@media (max-width: 768px) {
  .hero {
    padding-block: clamp(20px, 7vw, 48px);
    background: #FFFFFF;
  }
  .grid3 {
    grid-template-columns:1fr
  }

  .sec {
    padding-block: clamp(48px, 10vw, 72px)
  }

  .eg li {
    flex-direction: column;
    gap: 2px
  }

  .eg li span {
    min-width: 0
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important
  }

  html {
    scroll-behavior: auto
  }
}

:focus-visible {
  outline: 3px solid rgba(0, 166, 224, .45);
  outline-offset: 2px;
  border-radius: 6px
}