:root {
  color-scheme: light;
  --ink: #101211;
  --muted: #666963;
  --green: #13977f;
  --mint: #dff5ec;
  --mint-line: #a7ddd1;
  --paper: #fffdf8;
  --cream: #fbf4e9;
  --soft: #f6f3eb;
  --line: rgba(21, 24, 23, 0.1);
  --shadow: 0 24px 70px rgba(68, 52, 31, 0.12);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 22% 12%, rgba(186, 229, 207, 0.42), transparent 28%),
    radial-gradient(circle at 82% 8%, rgba(255, 229, 199, 0.8), transparent 32%),
    linear-gradient(180deg, #fffaf1 0%, #fbf5ed 42%, #fffdf8 100%);
  font-family: "Arial Rounded MT Bold", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

.page {
  min-height: 100vh;
  padding-bottom: 80px;
}

.hero-panel {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 120px 390px;
  gap: 36px;
  align-items: center;
  width: min(1300px, calc(100% - 44px));
  min-height: 548px;
  margin: 62px auto 38px;
  padding: 54px 56px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(255, 253, 248, 0.98), rgba(255, 253, 248, 0.82)),
    repeating-linear-gradient(90deg, transparent 0 42px, rgba(18, 151, 127, 0.035) 42px 43px);
  border: 1px solid rgba(70, 55, 36, 0.16);
  border-radius: 34px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9), var(--shadow);
}

.hero-panel::before {
  content: "AI618VIP";
  position: absolute;
  left: 54px;
  bottom: -38px;
  color: rgba(16, 18, 17, 0.035);
  font-size: 92px;
  font-weight: 950;
}

.hero-copy,
.proof-card,
.years-card {
  position: relative;
  z-index: 1;
}

.mini-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  padding: 7px 13px;
  color: #222523;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: 0 8px 22px rgba(45, 33, 21, 0.06);
  font-size: 13px;
  font-weight: 900;
}

.mini-badge span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 5px rgba(19, 151, 127, 0.12);
}

.hero-copy h1 {
  margin: 0;
  max-width: 650px;
  font-size: clamp(48px, 5vw, 74px);
  line-height: 0.96;
  letter-spacing: 0;
  font-weight: 950;
}

.hero-copy h1::first-line {
  color: #090b0a;
}

.black-pill {
  display: inline-flex;
  margin: 22px 0 18px;
  padding: 12px 19px;
  color: #fff;
  background: #111211;
  border-radius: 14px;
  font-size: 20px;
  line-height: 1.25;
}

.hero-desc {
  max-width: 760px;
  margin: 0;
  color: #454741;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.9;
}

.trust-tags {
  display: grid;
  grid-template-columns: repeat(2, max-content);
  gap: 12px 18px;
  margin: 28px 0 24px;
}

.trust-tags span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 36px;
  padding: 8px 15px;
  color: #28332d;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(19, 151, 127, 0.18);
  border-radius: 999px;
  font-weight: 800;
}

.trust-tags span::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 900;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-dark {
  color: #fff;
  background: #111211;
}

.btn-light {
  color: #131514;
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(19, 22, 20, 0.18);
}

.btn-green {
  color: #fff;
  background: var(--green);
  box-shadow: 0 14px 30px rgba(19, 151, 127, 0.2);
}

.btn-ghost {
  color: #121413;
  background: rgba(255, 255, 255, 0.82);
  border-color: rgba(19, 22, 20, 0.16);
}

.years-card {
  align-self: start;
  justify-self: center;
  display: grid;
  place-items: center;
  width: 118px;
  height: 118px;
  margin-top: 34px;
  color: #0f2e29;
  background: linear-gradient(145deg, #fff, #dff3e8);
  border: 1px solid rgba(19, 151, 127, 0.22);
  border-radius: 30px;
  transform: rotate(3deg);
  box-shadow: 0 18px 45px rgba(42, 75, 62, 0.12);
}

.years-card strong {
  font-size: 34px;
  line-height: 0.8;
}

.years-card span,
.years-card small {
  font-weight: 900;
}

.proof-card {
  justify-self: end;
  width: min(100%, 380px);
  padding: 30px 28px 22px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(245, 255, 250, 0.92)),
    radial-gradient(circle at 100% 0%, rgba(29, 178, 151, 0.18), transparent 42%);
  border: 1px solid rgba(45, 35, 23, 0.12);
  border-radius: 28px;
  box-shadow: 0 22px 50px rgba(43, 35, 25, 0.11);
}

.proof-head,
.proof-nav,
.topbar,
.brand,
.topbar nav,
.service-item,
.product-foot,
.product-tags,
.price-strip {
  display: flex;
  align-items: center;
}

.proof-head {
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 24px;
}

.proof-head span {
  font-size: 13px;
  font-weight: 950;
}

.proof-head b {
  padding: 6px 12px;
  color: var(--green);
  background: var(--mint);
  border-radius: 999px;
  font-size: 13px;
}

.proof-card h2 {
  margin: 0 0 14px;
  font-size: 29px;
  line-height: 1.22;
}

.proof-card p {
  margin: 0 0 22px;
  color: #4e504b;
  line-height: 1.85;
  font-weight: 700;
}

.proof-card ul {
  display: grid;
  gap: 0;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.proof-card li {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 10px;
  padding: 13px 0;
  border-top: 1px solid rgba(19, 22, 20, 0.09);
}

.proof-card li span {
  justify-self: start;
  padding: 5px 10px;
  color: #6b6258;
  background: #f4efe8;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
}

.proof-card li strong {
  font-size: 14px;
  line-height: 1.5;
}

.proof-nav {
  justify-content: space-around;
  gap: 9px;
  padding: 10px 12px;
  color: #fff;
  background: #111211;
  border-radius: 999px;
}

.proof-nav a,
.proof-nav button {
  color: #fff;
  background: transparent;
  border: 0;
  cursor: pointer;
  font-size: 12px;
  font-weight: 900;
}

.proof-nav a:not(:last-child)::after,
.proof-nav button:not(:last-child)::after {
  content: "·";
  margin-left: 12px;
  color: rgba(255, 255, 255, 0.45);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  justify-content: space-between;
  height: 64px;
  padding: 0 calc((100% - min(1300px, calc(100% - 44px))) / 2);
  background: rgba(255, 253, 248, 0.9);
  border-top: 1px solid rgba(19, 22, 20, 0.06);
  border-bottom: 1px solid rgba(19, 22, 20, 0.08);
  backdrop-filter: blur(18px);
  box-shadow: 0 14px 38px rgba(61, 47, 28, 0.08);
}

.brand {
  gap: 12px;
  color: #66b99f;
  font-size: 19px;
}

.brand-logo {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  color: #fff;
  background: linear-gradient(135deg, #eef9f1, #0f927c);
  border-radius: 50%;
  font-size: 11px;
  box-shadow: inset 0 0 0 6px rgba(255, 255, 255, 0.62);
}

.topbar nav {
  gap: 10px;
}

.topbar .btn {
  min-height: 42px;
  padding: 0 18px;
}

.shop-layout {
  display: grid;
  grid-template-columns: 292px minmax(0, 1fr);
  width: min(1300px, calc(100% - 44px));
  margin: 46px auto 0;
  background: rgba(255, 253, 248, 0.86);
  border: 1px solid rgba(51, 41, 27, 0.12);
  box-shadow: 0 26px 70px rgba(68, 52, 31, 0.09);
}

.service-sidebar {
  min-height: 720px;
  padding: 20px 24px 28px;
  background:
    linear-gradient(180deg, rgba(223, 245, 236, 0.92), rgba(255, 253, 248, 0.96)),
    linear-gradient(90deg, rgba(19, 151, 127, 0.28), transparent 7px);
  border-right: 1px solid rgba(51, 41, 27, 0.12);
}

.service-sidebar h2 {
  margin: 0 0 8px;
  font-size: 28px;
  line-height: 1.1;
}

.service-sidebar p {
  margin: 0 0 18px;
  color: #6a6c65;
  font-weight: 700;
}

.hint-row {
  width: 100%;
  min-height: 42px;
  margin-bottom: 16px;
  color: #087660;
  background: rgba(222, 248, 239, 0.92);
  border: 1px solid rgba(19, 151, 127, 0.22);
  border-radius: 16px;
  cursor: pointer;
  font-weight: 900;
}

.service-list {
  display: grid;
  gap: 10px;
}

.service-item {
  width: 100%;
  min-height: 56px;
  gap: 14px;
  padding: 8px 10px;
  color: #252822;
  background: rgba(255, 255, 255, 0.83);
  border: 1px solid rgba(28, 32, 29, 0.11);
  border-radius: 16px;
  cursor: pointer;
  box-shadow: 0 10px 25px rgba(63, 48, 30, 0.06);
}

.service-item.is-active {
  color: #fff;
  background: #111211;
  border-color: #111211;
}

.service-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  color: #121413;
  background: #fff;
  border: 1px solid rgba(20, 24, 22, 0.08);
  border-radius: 50%;
  font-size: 11px;
  font-weight: 950;
}

.service-item strong {
  flex: 1;
  text-align: left;
  font-size: 17px;
}

.service-item em {
  padding: 6px 10px;
  color: var(--green);
  background: #eaf8f2;
  border-radius: 999px;
  font-size: 12px;
  font-style: normal;
  font-weight: 950;
}

.service-item.is-active em {
  color: #111211;
  background: #fff;
}

.more-box {
  display: grid;
  gap: 8px;
  margin-top: 20px;
  padding: 18px 17px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px dashed rgba(19, 22, 20, 0.16);
  border-radius: 20px;
}

.more-box span {
  color: #6b6d66;
  font-size: 13px;
}

.product-stage {
  display: grid;
  justify-items: center;
  align-items: start;
  min-height: 720px;
  padding: 24px 0 70px;
  background:
    linear-gradient(180deg, rgba(255, 253, 248, 0.96), rgba(255, 253, 248, 0.92)),
    radial-gradient(circle at 50% 8%, rgba(250, 221, 203, 0.55), transparent 24%);
}

.product-card {
  width: min(360px, calc(100% - 28px));
  margin-top: 0;
  overflow: hidden;
  background: #fffaf4;
  border: 1px solid rgba(34, 28, 21, 0.12);
  border-radius: 24px;
  box-shadow: 0 26px 60px rgba(57, 43, 29, 0.13);
}

.product-cover {
  position: relative;
  min-height: 520px;
  padding: 40px 26px 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 72% 45%, rgba(255, 255, 255, 0.72), transparent 22%),
    linear-gradient(180deg, #f5ded2 0%, #f8eadf 100%);
}

.cover-title {
  position: relative;
  z-index: 2;
  color: #232627;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 54px;
  line-height: 0.88;
  font-weight: 900;
}

.cover-features {
  position: relative;
  z-index: 3;
  display: grid;
  gap: 18px;
  width: 170px;
  margin-top: 24px;
}

.cover-features div {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  align-items: center;
}

.cover-features span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: #151817;
  background: rgba(255, 255, 255, 0.88);
  border: 2px solid rgba(18, 19, 18, 0.22);
  border-radius: 9px;
  font-size: 12px;
  font-weight: 950;
}

.cover-features p {
  margin: 0;
  color: #363936;
  font-size: 13px;
  font-weight: 900;
}

.app-square {
  position: absolute;
  z-index: 2;
  right: 28px;
  top: 182px;
  display: grid;
  place-items: center;
  width: 138px;
  height: 138px;
  color: #fff;
  background: #202223;
  border-radius: 22px;
  font-size: 58px;
  font-family: Georgia, "Times New Roman", serif;
  box-shadow: 0 24px 50px rgba(20, 18, 16, 0.24);
}

.app-square::after {
  content: "";
  width: 74px;
  height: 74px;
  border: 12px solid #f3e3d4;
  border-left-color: transparent;
  border-radius: 50%;
}

.app-square {
  font-size: 0;
}

.price-strip {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 34px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 7px 16px;
  align-items: center;
  padding: 18px 20px;
  color: #fff;
  background: #222323;
  border-radius: 14px;
}

.price-strip strong {
  grid-row: span 2;
  font-size: 52px;
  line-height: 0.9;
}

.price-strip small {
  font-size: 18px;
}

.price-strip button {
  justify-self: start;
  padding: 8px 18px;
  color: #222323;
  background: #fff5ec;
  border: 0;
  border-radius: 9px;
  cursor: pointer;
  font-weight: 950;
}

.price-strip span {
  color: rgba(255, 255, 255, 0.76);
  font-size: 12px;
  font-weight: 800;
}

.product-info {
  padding: 20px 20px 0;
}

.product-tags {
  gap: 8px;
  flex-wrap: wrap;
}

.product-tags span {
  padding: 6px 10px;
  color: #05765e;
  background: #e8f8f0;
  border-radius: 9px;
  font-size: 12px;
  font-weight: 900;
}

.product-info h3 {
  margin: 14px 0 8px;
  font-size: 19px;
}

.product-info p {
  margin: 0 0 22px;
  color: #666963;
  font-weight: 800;
}

.product-price {
  padding: 0 0 20px;
  color: #666963;
  font-weight: 900;
}

.product-price b {
  color: #e34632;
  font-size: 31px;
}

.product-foot {
  justify-content: space-between;
  margin: 0 -20px;
  padding: 14px 20px;
  border-top: 1px solid rgba(19, 22, 20, 0.1);
  font-size: 13px;
  font-weight: 900;
}

.business-sections {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  width: min(1300px, calc(100% - 44px));
  margin: 34px auto 0;
}

.business-sections article {
  min-height: 182px;
  padding: 24px;
  background: rgba(255, 253, 248, 0.9);
  border: 1px solid rgba(51, 41, 27, 0.12);
  border-radius: 22px;
  box-shadow: 0 18px 45px rgba(68, 52, 31, 0.08);
}

.business-sections span {
  color: #e5553d;
  font-weight: 950;
}

.business-sections h2 {
  margin: 14px 0 10px;
  font-size: 22px;
}

.business-sections p {
  margin: 0;
  color: #666963;
  line-height: 1.8;
  font-weight: 700;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  width: min(1300px, calc(100% - 44px));
  margin: 34px auto 0;
  padding: 26px 28px;
  color: #f9f5ec;
  background: #111211;
  border-radius: 24px;
}

.site-footer strong {
  font-size: 20px;
}

.site-footer p {
  max-width: 620px;
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.site-footer button {
  min-height: 38px;
  padding: 0 14px;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  cursor: pointer;
  font-weight: 900;
}

.modal {
  width: min(420px, calc(100% - 32px));
  padding: 30px;
  border: 0;
  border-radius: 22px;
  box-shadow: 0 30px 80px rgba(21, 24, 23, 0.2);
}

.modal::backdrop {
  background: rgba(16, 18, 17, 0.42);
}

.modal h2 {
  margin: 0 0 12px;
}

.modal p {
  color: #5f625e;
  line-height: 1.8;
}

.modal-muted {
  margin-top: 0;
  font-weight: 700;
}

.order-form {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.order-form label {
  display: grid;
  gap: 8px;
  color: #333631;
  font-weight: 900;
}

.order-form input,
.order-form textarea {
  width: 100%;
  padding: 12px 13px;
  color: #101211;
  background: #fffdf8;
  border: 1px solid rgba(19, 22, 20, 0.16);
  border-radius: 13px;
  outline: none;
}

.order-form input:focus,
.order-form textarea:focus {
  border-color: rgba(19, 151, 127, 0.62);
  box-shadow: 0 0 0 4px rgba(19, 151, 127, 0.1);
}

.order-result {
  display: grid;
  gap: 6px;
  padding: 16px;
  background: #e8f8f0;
  border: 1px solid rgba(19, 151, 127, 0.2);
  border-radius: 16px;
}

.order-result span {
  color: #53615c;
  font-size: 13px;
  font-weight: 900;
}

.order-result strong {
  color: #087660;
  font-size: 24px;
}

.order-detail {
  display: grid;
  gap: 0;
  margin: 18px 0 0;
  border: 1px solid rgba(19, 22, 20, 0.1);
  border-radius: 16px;
  overflow: hidden;
}

.order-detail div {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 12px;
  padding: 12px 14px;
  background: #fffdf8;
  border-bottom: 1px solid rgba(19, 22, 20, 0.08);
}

.order-detail div:last-child {
  border-bottom: 0;
}

.order-detail dt {
  color: #69706a;
  font-weight: 900;
}

.order-detail dd {
  margin: 0;
  font-weight: 900;
}

.query-empty {
  padding: 13px 14px;
  color: #8a4c10;
  background: #fff0da;
  border-radius: 14px;
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 12px;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 50%;
  background: #f2efe7;
  cursor: pointer;
  font-size: 22px;
}

.modal-action {
  width: 100%;
  margin-top: 8px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  z-index: 50;
  transform: translate(-50%, 18px);
  padding: 12px 18px;
  color: #fff;
  background: #111211;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
  font-weight: 900;
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (max-width: 1080px) {
  .hero-panel {
    grid-template-columns: 1fr;
  }

  .years-card {
    position: absolute;
    top: 24px;
    right: 28px;
    width: 92px;
    height: 92px;
    margin: 0;
  }

  .proof-card {
    justify-self: stretch;
    width: auto;
  }

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

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

  .service-sidebar {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid rgba(51, 41, 27, 0.12);
  }

  .product-stage {
    min-height: 0;
  }

  .site-footer {
    flex-direction: column;
  }

  .site-footer nav {
    justify-content: flex-start;
  }
}

@media (max-width: 680px) {
  .page {
    padding-bottom: 48px;
  }

  .hero-panel {
    width: calc(100% - 24px);
    min-height: 0;
    margin: 18px auto 20px;
    padding: 26px 20px;
    border-radius: 22px;
  }

  .hero-copy h1 {
    font-size: 37px;
  }

  .black-pill {
    font-size: 15px;
  }

  .hero-desc {
    font-size: 14px;
  }

  .trust-tags {
    grid-template-columns: 1fr 1fr;
    gap: 9px;
  }

  .trust-tags span {
    justify-content: center;
    padding: 8px 10px;
    font-size: 13px;
  }

  .years-card {
    display: none;
  }

  .proof-card {
    padding: 22px 18px 18px;
    border-radius: 20px;
  }

  .proof-card h2 {
    font-size: 24px;
  }

  .topbar {
    padding: 0 12px;
  }

  .brand {
    font-size: 14px;
  }

  .topbar .btn {
    min-height: 36px;
    padding: 0 12px;
    font-size: 13px;
  }

  .shop-layout {
    width: calc(100% - 18px);
    margin-top: 24px;
  }

  .business-sections,
  .site-footer {
    width: calc(100% - 18px);
  }

  .service-sidebar {
    padding: 18px 14px;
  }

  .service-sidebar h2 {
    font-size: 24px;
  }

  .product-stage {
    padding: 22px 0 34px;
  }

  .product-cover {
    min-height: 474px;
  }

  .cover-title {
    font-size: 46px;
  }

  .app-square {
    right: 22px;
    width: 112px;
    height: 112px;
  }

  .app-square::after {
    width: 60px;
    height: 60px;
    border-width: 10px;
  }

  .price-strip {
    left: 18px;
    right: 18px;
  }

  .price-strip strong {
    font-size: 42px;
  }
}