:root {
  --green: #8bc61c;
  --blue: #0b8fd3;
  --sky-hue: 202deg;
  --ink: #1f2937;
  --muted: #667085;
  --line: #e5e7eb;
  --shadow: 0 16px 44px rgba(10, 44, 70, .14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font: 15px/1.75 "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

a {
  color: inherit;
}

.wrap {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
}

.glassNav {
  position: absolute;
  inset: 0 0 auto;
  z-index: 60;
  height: 70px;
  display: grid;
  grid-template-columns: 250px 1fr 190px auto;
  align-items: center;
  gap: 28px;
  padding: 0 max(34px, calc((100vw - 1180px) / 2));
  color: #fff;
  background: linear-gradient(180deg, rgba(0,87,140,.22), rgba(0,0,0,0));
}

.brand {
  position: relative;
  display: inline-grid;
  align-items: center;
  width: 188px;
  text-decoration: none;
}

.circleLogo {
  display: flex;
  gap: 6px;
  align-items: center;
}

.circleLogo i {
  width: 38px;
  height: 38px;
  display: block;
  border: 6px solid #201712;
  border-radius: 50%;
  background: var(--green);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.3);
}

.circleLogo i:nth-child(2) {
  background: #fff;
}

.circleLogo i:nth-child(4) {
  width: 32px;
  height: 32px;
}

.brand b {
  position: absolute;
  left: 112px;
  top: 34px;
  color: #111;
  font-size: 14px;
  font-weight: 500;
}

.glassNav nav {
  display: flex;
  justify-content: center;
  gap: clamp(24px, 3vw, 44px);
}

.glassNav button,
.slide,
.categoryRail button,
.pager button,
.primary,
.secondary,
.back,
.close,
.authTabs button {
  border: 0;
  color: inherit;
  background: none;
}

.glassNav nav button {
  color: #fff;
  font-size: 16px;
  font-weight: 900;
  text-shadow: 0 1px 10px rgba(0,0,0,.25);
}

.glassNav nav button:hover,
.glassNav nav button.active {
  color: var(--green);
}

.phone {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 950;
}

.phone span {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--green);
}

.auth {
  display: flex;
  gap: 8px;
}

.auth button {
  padding: 4px 8px;
  color: #fff;
  border: 1px solid rgba(255,255,255,.5);
  border-radius: 999px;
}

.cityHero {
  position: relative;
  height: 694px;
  overflow: hidden;
  color: #fff;
  background: #0d5f91;
}

.sky {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 64% 30%, rgba(255,255,255,.5), transparent 34%),
    radial-gradient(ellipse at 74% 30%, rgba(255,205,154,.26), transparent 18%),
    linear-gradient(180deg, hsl(var(--sky-hue) 88% 41%) 0%, #99c4db 48%, #e7c8aa 70%, #122f4e 100%);
}

.sky::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 150px;
  background: linear-gradient(180deg, rgba(1,118,181,.75), transparent);
}

.city {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 360px;
  background:
    linear-gradient(90deg, transparent 0 4%, #273243 4% 7%, transparent 7% 11%, #1f2a39 11% 15%, transparent 15% 19%, #6a5b4d 19% 25%, transparent 25% 31%, #353f4c 31% 35%, transparent 35% 40%, #4b463f 40% 47%, transparent 47% 52%, #2b3440 52% 56%, transparent 56% 61%, #635142 61% 66%, transparent 66% 71%, #2a3442 71% 76%, transparent 76% 80%, #504238 80% 88%, transparent 88%),
    repeating-linear-gradient(90deg, transparent 0 38px, rgba(255,189,68,.85) 39px 42px, transparent 43px 64px),
    linear-gradient(180deg, transparent, #0c1b2b 94%);
  clip-path: polygon(0 70%, 3% 61%, 6% 73%, 8% 34%, 12% 67%, 16% 30%, 20% 72%, 23% 20%, 28% 68%, 33% 54%, 37% 70%, 40% 42%, 44% 66%, 48% 58%, 51% 72%, 54% 45%, 58% 69%, 61% 28%, 66% 70%, 70% 58%, 74% 73%, 79% 63%, 83% 39%, 88% 68%, 94% 52%, 100% 65%, 100% 100%, 0 100%);
}

.city::before {
  content: "";
  position: absolute;
  left: 34%;
  bottom: 68px;
  width: 180px;
  height: 72px;
  border: 8px solid rgba(255,133,92,.9);
  border-bottom: 0;
  border-radius: 90px 90px 0 0;
  box-shadow: 0 0 24px rgba(255,133,92,.65);
}

.city::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 38px;
  height: 44px;
  background:
    repeating-linear-gradient(90deg, rgba(255,184,74,.7) 0 18px, transparent 18px 70px),
    linear-gradient(90deg, transparent, rgba(255,255,255,.55), transparent);
  filter: blur(1px);
}

.river {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 110px;
  background:
    radial-gradient(ellipse at 48% 0, rgba(255,180,100,.28), transparent 30%),
    repeating-linear-gradient(170deg, rgba(255,255,255,.18) 0 3px, transparent 3px 18px),
    linear-gradient(180deg, rgba(14,70,96,.45), #0b2c45);
  opacity: .78;
}

.heroSlogan {
  position: absolute;
  right: 15%;
  top: 150px;
  z-index: 5;
  text-align: center;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}

.heroSlogan h1,
.heroSlogan p {
  margin: 0;
  font-weight: 950;
  letter-spacing: .08em;
  text-shadow:
    2px 2px 0 #1d1d1d,
    -1px -1px 0 rgba(255,255,255,.6),
    0 8px 18px rgba(0,0,0,.25);
}

.heroSlogan h1 {
  color: #fff;
  font-size: 34px;
}

.heroSlogan p {
  margin-top: 18px;
  color: var(--green);
  -webkit-text-stroke: 1px #fff;
  font-size: 37px;
}

.slide {
  position: absolute;
  top: 50%;
  z-index: 6;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  transform: translateY(-50%);
  color: #fff;
  border-radius: 6px;
  background: rgba(0,0,0,.28);
  font-size: 44px;
  line-height: 1;
}

.slide.prev {
  left: 10px;
}

.slide.next {
  right: 10px;
}

.dots {
  position: absolute;
  left: 50%;
  bottom: 14px;
  z-index: 5;
  display: flex;
  gap: 7px;
  transform: translateX(-50%);
}

.dots i {
  width: 18px;
  height: 4px;
  border-radius: 999px;
  background: #fff;
}

.dots i.active {
  background: var(--green);
}

.about {
  padding: 94px 0 54px;
  display: grid;
  grid-template-columns: 1fr 46%;
  gap: 72px;
  align-items: center;
}

.about h2 {
  margin: 0;
  color: var(--green);
  font-size: 60px;
  line-height: 1;
  font-weight: 500;
}

.about h3 {
  margin: 6px 0 28px;
  color: #0f172a;
  font-size: 20px;
}

.about p,
.featureCards p,
.sectionHead p,
.product p,
.detailHero p,
.buyBox p,
.detailBlock p,
.faq p {
  color: var(--muted);
}

.techPanel {
  position: relative;
  min-height: 260px;
  overflow: hidden;
  border-left: 5px solid var(--green);
  background:
    radial-gradient(circle at 50% 45%, rgba(0,222,255,.62), transparent 28%),
    radial-gradient(circle at 52% 70%, transparent 0 35%, rgba(0,222,255,.35) 36% 37%, transparent 38%),
    linear-gradient(135deg, #07122d, #073a66);
  box-shadow: var(--shadow);
}

.globe {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 310px;
  height: 160px;
  transform: translate(-50%, -38%);
  border: 2px solid rgba(0,230,255,.5);
  border-radius: 50%;
  box-shadow: 0 0 55px rgba(0,230,255,.45);
}

.globe::before,
.globe::after {
  content: "";
  position: absolute;
}

.globe::before {
  left: 50%;
  bottom: 34%;
  width: 10px;
  height: 90px;
  transform: translateX(-50%);
  background: rgba(0,230,255,.75);
  box-shadow: -90px 50px 0 -3px rgba(0,230,255,.5), 92px 42px 0 -3px rgba(0,230,255,.5);
}

.globe::after {
  left: 8%;
  right: 8%;
  top: 48%;
  height: 2px;
  background: rgba(0,230,255,.55);
  box-shadow: 0 -36px 0 rgba(0,230,255,.28), 0 36px 0 rgba(0,230,255,.28);
}

.techPanel span {
  position: absolute;
  left: 28px;
  bottom: 22px;
  color: rgba(255,255,255,.72);
  letter-spacing: .28em;
}

.featureCards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.featureCards article,
.stats article,
.product,
.detailHero,
.detailBlock,
.buyBox {
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 8px 22px rgba(0,0,0,.04);
}

.featureCards article {
  padding: 24px;
  border-top: 4px solid var(--green);
}

.featureCards h3 {
  margin: 0 0 8px;
  color: var(--green);
  font-size: 22px;
}

.sectionHead {
  padding-top: 54px;
  text-align: center;
}

.sectionHead span {
  color: var(--green);
  font-weight: 900;
  letter-spacing: .28em;
}

.sectionHead h2,
.detailBlock h2 {
  margin: 8px 0 12px;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.15;
}

.stats {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.stats article {
  padding: 24px;
  text-align: center;
}

.stats b {
  display: block;
  color: var(--green);
  font-size: 38px;
}

.stats span {
  color: var(--muted);
}

.categoryRail {
  margin-top: 22px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.categoryRail button {
  white-space: nowrap;
  padding: 8px 14px;
  border: 1px solid #d7ecab;
  color: #6eaa0e;
  background: #fff;
}

.categoryRail button.active,
.categoryRail button:hover {
  color: #fff;
  background: var(--green);
}

.productGrid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.product {
  display: grid;
  grid-template-rows: 145px 1fr;
  overflow: hidden;
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease;
}

.product:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.productScene {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(180deg, rgba(11,143,211,.22), rgba(10,33,55,.7)),
    linear-gradient(90deg, #143450 0 9%, transparent 9% 12%, #293c51 12% 18%, transparent 18% 22%, #1c4664 22% 28%, transparent 28% 33%, #273c52 33% 42%, transparent 42% 100%),
    linear-gradient(180deg, #7dc7f2, #14314e);
}

.productScene span {
  position: absolute;
  left: 18px;
  top: 16px;
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(139,198,28,.92);
  font-size: 22px;
  font-weight: 950;
}

.productScene b {
  position: relative;
  z-index: 2;
  padding: 6px 14px;
  background: rgba(0,0,0,.42);
  font-size: 22px;
}

.productBody {
  padding: 20px;
}

.productBody em {
  color: #6eaa0e;
  font-style: normal;
  font-size: 12px;
  font-weight: 900;
}

.product h3 {
  margin: 10px 0 8px;
  font-size: 21px;
  line-height: 1.35;
}

.meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.meta span {
  padding: 3px 8px;
  border-radius: 999px;
  background: #f4fae8;
  color: #5f8519;
  font-size: 12px;
}

.price {
  margin-top: 14px;
  padding-top: 12px;
  display: flex;
  justify-content: space-between;
  border-top: 1px dashed #d7ecab;
}

.price b {
  color: #6eaa0e;
  font-size: 27px;
}

.price small {
  color: var(--muted);
}

.pager {
  margin: 30px auto 86px;
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.pager button {
  min-width: 42px;
  height: 42px;
  padding: 0 13px;
  color: #6eaa0e;
  border: 1px solid #d7ecab;
  background: #fff;
}

.pager button.active,
.pager button:hover:not(:disabled) {
  color: #fff;
  background: var(--green);
}

.pager button:disabled {
  opacity: .4;
  cursor: not-allowed;
}

.detail {
  padding: 100px 0 90px;
}

.back {
  margin-bottom: 22px;
  padding: 8px 14px;
  border: 1px solid #d7ecab;
  color: #6eaa0e;
  background: #fff;
}

.detailHero {
  padding: 38px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 28px;
  background:
    radial-gradient(circle at 88% 18%, rgba(139,198,28,.14), transparent 24%),
    #fff;
}

.label {
  color: #6eaa0e;
  font-weight: 900;
}

.detailHero h1 {
  max-width: 800px;
  margin: 18px 0;
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.08;
  letter-spacing: -.06em;
}

.detailStats {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.detailStats span,
.outline article,
.faq details {
  padding: 16px;
  border: 1px solid var(--line);
  background: #fff;
}

.detailStats b {
  display: block;
  color: #6eaa0e;
  font-size: 28px;
}

.buyBox {
  position: sticky;
  top: 90px;
  padding: 26px;
}

.buyBox small {
  color: var(--muted);
}

.buyBox b {
  display: block;
  margin: 10px 0 4px;
  color: #6eaa0e;
  font-size: 50px;
  line-height: 1;
}

.buyBox del {
  display: block;
  color: var(--muted);
  margin-bottom: 18px;
}

.primary,
.secondary {
  width: 100%;
  min-height: 46px;
  margin-top: 10px;
  font-weight: 900;
}

.primary {
  color: #fff;
  background: var(--green);
}

.secondary {
  border: 1px solid var(--line);
  background: #fff;
}

.detailBlock {
  margin-top: 24px;
  padding: 32px;
}

.assets {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.assets span {
  padding: 8px 12px;
  color: #6eaa0e;
  background: #f4fae8;
  font-weight: 900;
}

.outline {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.outline article {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
}

.outline b {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--green);
}

.outline h3 {
  margin: 0 0 4px;
}

.outline p {
  margin: 0;
  font-size: 14px;
}

.faq {
  display: grid;
  gap: 10px;
}

.faq summary {
  cursor: pointer;
  font-weight: 900;
}

.mask {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(0,0,0,.48);
  backdrop-filter: blur(8px);
}

.modal {
  position: relative;
  width: min(460px, 100%);
  padding: 30px;
  background: #fff;
  box-shadow: var(--shadow);
}

.close {
  position: absolute;
  right: 16px;
  top: 16px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #f3f3f3;
  font-size: 24px;
}

.modal h2 {
  margin: 0 0 18px;
  font-size: 30px;
}

.authTabs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  padding: 5px;
  background: #f3f6fb;
}

.authTabs button {
  padding: 10px;
}

.authTabs button.active {
  color: #fff;
  background: var(--green);
}

.modal label {
  display: block;
  margin-top: 14px;
  color: var(--muted);
}

.modal input {
  width: 100%;
  margin-top: 6px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  outline: none;
}

.modal input:focus {
  border-color: var(--green);
}

.message {
  min-height: 28px;
  color: #6eaa0e;
}

@media (max-width: 1120px) {
  .glassNav {
    height: auto;
    grid-template-columns: 1fr;
    gap: 12px;
    padding-top: 14px;
    padding-bottom: 14px;
    background: rgba(0,87,140,.42);
  }

  .glassNav nav {
    justify-content: flex-start;
    overflow-x: auto;
  }

  .phone,
  .auth {
    justify-content: center;
  }

  .about,
  .detailHero,
  .outline {
    grid-template-columns: 1fr;
  }

  .featureCards,
  .productGrid,
  .stats,
  .detailStats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .buyBox {
    position: static;
  }
}

@media (max-width: 720px) {
  .wrap {
    width: calc(100% - 28px);
  }

  .cityHero {
    height: 640px;
  }

  .heroSlogan {
    left: 20px;
    right: 20px;
    top: 180px;
  }

  .heroSlogan h1 {
    font-size: 26px;
  }

  .heroSlogan p {
    font-size: 28px;
  }

  .about h2 {
    font-size: 48px;
  }

  .featureCards,
  .productGrid,
  .stats,
  .detailStats {
    grid-template-columns: 1fr;
  }
}
