:root {
  --page-bg: #f4f6fb;
  --surface: rgba(255, 255, 255, 0.94);
  --surface-strong: #ffffff;
  --surface-soft: #f5fbfd;
  --text-main: #20252b;
  --text-body: #4a4f55;
  --text-muted: #7f8790;
  --line: rgba(33, 37, 43, 0.08);
  --line-strong: rgba(0, 153, 204, 0.18);
  --accent: #11a4c8;
  --accent-strong: #0a93bc;
  --accent-soft: rgba(17, 164, 200, 0.1);
  --shadow-card: 0 10px 30px rgba(94, 122, 145, 0.12);
  --shadow-soft: 0 8px 24px rgba(94, 122, 145, 0.08);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --content-width: 1280px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  color: var(--text-main);
  background:
    linear-gradient(90deg, #dfe4f7 0%, #e9f8fb 46%, #edf8fb 100%);
}

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

button,
input {
  font: inherit;
}

button {
  border: 0;
  background: none;
  cursor: pointer;
}

.search-home-shell {
  min-height: 100vh;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: relative;
  z-index: 30;
  background: #333333;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 2px rgba(0, 0, 0, 0.3);
}

.site-header__inner,
.hero__inner,
.section,
.foot-shell {
  width: min(calc(100% - 48px), var(--content-width));
  margin: 0 auto;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 42px;
  gap: 28px;
}

.site-logo {
  position: relative;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 3px;
  min-width: 0;
  padding: 4px 0;
}

.site-logo__brand {
  width: 92px;
  height: 28px;
  background: url("../images/gel/logo1.png") no-repeat left center;
  background-size: auto 100%;
  flex: 0 0 92px;
}

.site-logo__title {
  width: 93px;
  height: 24px;
  background: url("../images/gelTxt.ea4ac21123a7494c916c.svg") no-repeat center;
  background-size: contain;
  flex: 0 0 93px;
}

.site-logo__badge {
  width: 57px;
  height: 22px;
  margin-left: 1px;
  background: url("../images/gel/logo3.svg") no-repeat center;
  background-size: contain;
  flex: 0 0 57px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  flex: 0 1 auto;
  justify-content: flex-end;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.82);
}

.site-nav a {
  position: relative;
  padding: 10px 0 9px;
  line-height: 1;
  transition: color 0.2s ease;
}

.site-nav a::after {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  content: "";
  background: linear-gradient(90deg, #23b1d6, #7adfd5);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: #ffffff;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a[aria-expanded="true"]::after {
  transform: scaleX(1);
}

.all-features-menu {
  position: absolute;
  inset: calc(100% + 10px) 0 auto;
}

.tool-top-home-hide {
  display: none;
}

.all-features-menu__panel {
  width: min(calc(100% - 48px), var(--content-width));
  margin: 0 auto;
  padding: 26px 30px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.76);
  border-radius: 0 0 12px 12px;
  box-shadow: var(--shadow-card);
}

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

.menu-group,
.recommend-group,
.feature-card,
.hero-stat,
.trust-panel,
.assistant-card {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.menu-group,
.recommend-group {
  padding: 22px;
  border-radius: var(--radius-md);
}

.menu-group h3,
.recommend-group h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.menu-group p,
.recommend-group p {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-muted);
}

.menu-group ul,
.recommend-group ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.menu-group a,
.recommend-group a {
  color: var(--text-body);
  transition: color 0.2s ease;
}

.menu-group a:hover,
.recommend-group a:hover {
  color: var(--accent-strong);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 0 0 42px;
}

.hero__backdrop {
  position: absolute;
  inset: 0 0 auto;
  height: 640px;
  background:
    linear-gradient(90deg, #dfe4f7 0%, #dff4f8 48%, #edf9fb 100%);
  border-radius: 0;
}

.hero__inner {
  position: relative;
  display: block;
  padding-top: 68px;
}

.hero-copy {
  margin: 0 auto;
  padding: 48px 0 0;
  text-align: center;
}

.hero-copy__eyebrow,
.section-heading__eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-strong);
  text-transform: uppercase;
}

.hero-copy h1,
.section-heading__title {
  margin: 0;
  line-height: 1.12;
}

.hero-copy h1 {
  max-width: none;
  font-size: clamp(40px, 5vw, 58px);
  font-weight: 700;
  letter-spacing: 0;
}

.hero-copy__summary {
  margin: 18px 0 10px;
  font-size: 16px;
  line-height: 1.9;
  color: #4f5358;
}

.hero-copy__detail,
.section-heading__summary,
.trust-panel p,
.assistant-card__summary {
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-body);
}

.hero-copy__detail {
  margin: 0 auto;
  font-size: 15px;
  line-height: 1.9;
  color: #62686f;
}

.hero-search,
.assistant-card,
.trust-panel {
  position: relative;
  z-index: 1;
  padding: 26px;
  border-radius: var(--radius-xl);
}

.hero-search {
  max-width: 980px;
  margin: 22px auto 0;
  padding: 8px 0 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.search-tabs {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 56px;
  margin: 0 auto 26px;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
  justify-content: center;
  width: 100%;
}

.search-tab {
  position: relative;
  padding: 10px 0;
  border-radius: 0;
  color: #565b61;
  font-size: 16px;
  transition: color 0.2s ease;
}

.search-tab[aria-selected="true"] {
  color: var(--accent-strong);
  background: transparent;
  box-shadow: none;
  font-weight: 700;
}

.search-tab[aria-selected="true"]::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  width: 52px;
  height: 3px;
  margin: 0 auto;
  content: "";
  background: var(--accent-strong);
  border-radius: 999px;
}

.search-form__label {
  display: block;
  margin-bottom: 14px;
  font-size: 13px;
  text-align: center;
  color: var(--text-muted);
}

.search-form__control {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  background: var(--surface-strong);
  border: 1px solid rgba(12, 104, 150, 0.08);
  border-radius: 16px;
  box-shadow: 0 6px 24px rgba(132, 149, 165, 0.16);
}

.search-form__control-hidden {
  display: none;
}

.search-form__control--relation {
  gap: 14px;
  justify-content: space-between;
}

.w-input,
.assistant-input input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text-main);
}

.w-input {
  min-width: 0;
  padding: 10px 6px 10px 10px;
  font-size: 17px;
}

.w-input--relation {
  flex: 1 1 0;
  padding: 10px 0;
}

.w-input-search-icon,
#assistant-fill {
  flex: 0 0 auto;
  padding: 12px 20px;
  color: #7b7f84;
  background: transparent;
  border-radius: 12px;
  box-shadow: none;
  font-weight: 700;
}

.w-input-search-icon--relation {
  min-width: 92px;
}

.search-form__relation-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--accent-strong);
  background: rgba(17, 164, 200, 0.08);
  border-radius: 999px;
  flex: 0 0 auto;
}

.hero-hotwords {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 8px;
  margin-top: 14px;
  font-size: 13px;
  color: #4d5258;
}

.hero-hotwords__label {
  font-weight: 700;
  color: var(--text-main);
}

.hero-hotwords a {
  color: #4d5258;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.hero-stat {
  padding: 18px 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.68);
}

.hero-stat strong {
  display: block;
  margin-bottom: 8px;
  font-size: 24px;
  font-weight: 700;
}

.hero-stat span {
  display: block;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-body);
}

.section {
  padding: 34px 0;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 22px;
}

.section-heading--compact {
  margin-bottom: 16px;
}

.section-heading__title {
  font-size: clamp(28px, 3vw, 34px);
  font-weight: 700;
  letter-spacing: 0;
}

.section-heading__summary,
.trust-panel p,
.assistant-card__summary {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.9;
}

.feature-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.feature-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 180px;
  padding: 28px 24px;
  border-radius: 16px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-card);
}

.feature-card__icon {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  background: linear-gradient(180deg, rgba(17, 164, 200, 0.14), rgba(17, 164, 200, 0.04));
  border-radius: 8px;
}

.feature-card__icon img {
  width: 26px;
  height: 26px;
}

.feature-card h3 {
  margin: 0 0 10px;
  font-size: 16px;
}

.feature-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-body);
}

.feature-card__link {
  margin-top: auto;
  padding-top: 16px;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-strong);
}

.assistant-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.assistant-card__tip {
  margin: 0;
  padding: 8px 12px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.82);
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
}

.assistant-card {
  background: linear-gradient(90deg, #2d7de1 0%, #11bad2 100%);
  color: #ffffff;
  border: 0;
  box-shadow: 0 12px 34px rgba(55, 121, 190, 0.18);
}

.assistant-card .section-heading__eyebrow,
.assistant-card .section-heading__title,
.assistant-card__summary {
  color: #ffffff;
}

.assistant-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0 18px;
}

.assistant-suggestion {
  padding: 12px 16px;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 14px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.assistant-suggestion:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}

.assistant-input {
  display: flex;
  gap: 12px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 20px;
}

.assistant-input input {
  padding: 10px 8px;
  font-size: 16px;
  color: #5b6168;
}

.recommend-group__tag {
  display: inline-flex;
  align-items: center;
  height: 30px;
  margin-bottom: 12px;
  padding: 0 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-strong);
  background: rgba(17, 164, 200, 0.08);
  border-radius: 999px;
  text-transform: uppercase;
}

.trust-panel {
  padding: 32px;
  background: #ffffff;
}

.section--recommend {
  padding-top: 24px;
}

.section--recommend .recommend-grid,
.section--trust .trust-panel {
  background: #ffffff;
}

.backTop-box {
  background-color: #fff;
  border-radius: 8px;
  bottom: 20px;
  box-shadow:
    0 2px 4px 1px rgba(0, 0, 0, 0.05),
    0 1px 2px -1px rgba(0, 0, 0, 0.1);
  position: fixed;
  right: 20px;
  user-select: none;
  width: 52px;
  z-index: 1000;
}

.backTop-box .w-back-top {
  align-items: center;
  background-color: transparent;
  bottom: 0;
  box-shadow: none;
  color: #707680;
  display: flex;
  flex-direction: column;
  font-size: 12px;
  justify-content: center;
  letter-spacing: 0;
  opacity: 1;
  padding: 6px 0;
  position: relative;
  right: 0;
}

.backTop-box .w-back-top span {
  word-break: break-word;
}

.backTop-box .w-back-top:hover span,
.backTop-box .w-back-top:focus-visible span {
  color: #00aec7;
}

.backTop-box .content-toolbar-APP-icon,
.backTop-box .content-toolbar-QRCode-icon,
.backTop-box .content-toolbar-mini-icon {
  align-items: center;
  background-position: 50% center;
  background-repeat: no-repeat;
  background-size: contain;
  display: flex;
  height: 24px;
  justify-content: center;
  margin: 4px auto;
  transition: background 0.3s ease;
  width: 24px;
}

.backTop-box .content-toolbar-APP-icon {
  background-image: url("../images/Mobile.659786db22f2d0c9af3b.svg");
  min-width: 36px;
}

.backTop-box .content-toolbar-mini-icon {
  background-image: url("../images/miniApp.79011f5f2ec645656cc9.svg");
}

.backTop-box .content-toolbar-QRCode-icon {
  background-image: url("../images/QRCode.77be1399a1325501878d.svg");
}

.backTop-box .content-toolbar-APP:hover .content-toolbar-APP-icon,
.backTop-box .content-toolbar-APP:focus-visible .content-toolbar-APP-icon {
  background-image: url("../images/Mobile_hover.bd39554ce5805e7b911d.svg");
}

.backTop-box .content-toolbar-mini:hover .content-toolbar-mini-icon,
.backTop-box .content-toolbar-mini:focus-visible .content-toolbar-mini-icon {
  background-image: url("../images/miniApp_hover.b0f0bff41a0209d6ba4b.svg");
}

.backTop-box .content-toolbar-QRCode:hover .content-toolbar-QRCode-icon,
.backTop-box .content-toolbar-QRCode:focus-visible .content-toolbar-QRCode-icon {
  background-image: url("../images/QRCode_hover.42ea5c1dbc704915ebee.svg");
}

.seo-tool-with-popover {
  position: relative;
}

.seo-floating-tools-popover {
  background: #fff;
  border: 1px solid #dce7ee;
  border-radius: 10px;
  box-shadow: 0 12px 24px rgba(18, 38, 63, 0.16);
  display: none;
  left: -188px;
  padding: 10px;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}

.seo-floating-tools-popover img {
  display: block;
  height: 168px;
  object-fit: cover;
  width: 168px;
}

.seo-tool-with-popover:hover .seo-floating-tools-popover,
.seo-tool-with-popover:focus-within .seo-floating-tools-popover {
  display: block;
}

.seo-back-to-top {
  align-items: center;
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6px 0;
  width: 100%;
}

.seo-back-to-top .wicon-svg {
  display: flex;
  justify-content: center;
  width: 100%;
}

.seo-back-to-top > span:last-child {
  display: block;
  text-align: center;
  width: 100%;
}

.foot {
  margin-top: 36px;
  padding: 58px 0;
  color: rgba(255, 255, 255, 0.72);
  background: #202127;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

.foot-content {
  width: min(calc(100% - 48px), 1360px);
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
}

.foot-left {
  flex: 1 1 auto;
  min-width: 0;
}

.foot-left-top {
  display: grid;
  gap: 22px;
}

.w-100 {
  width: 100px;
  flex: 0 0 100px;
}

.w-200 {
  width: 200px;
  flex: 0 0 200px;
}

.foot-row {
  display: flex;
  align-items: flex-start;
  flex-wrap: nowrap;
}

.foot-row > .w-100 > span,
.foot-right-header span {
  display: inline-block;
  font-size: 13px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.78);
}

.foot-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
  line-height: 1.9;
}

.foot-col a,
.foot-left-bottom a,
.foot-contact-value a,
.foot-links a {
  color: rgba(255, 255, 255, 0.76);
  transition: color 0.2s ease;
}

.foot-col a:hover,
.foot-left-bottom a:hover,
.foot-contact-value a:hover,
.foot-links a:hover {
  color: rgba(255, 255, 255, 0.96);
}

.section--cards,
.section--assistant,
.section--recommend,
.section--trust {
  position: relative;
  z-index: 1;
}

.section--recommend .recommend-grid {
  padding: 28px 24px 20px;
  border-radius: 0;
  box-shadow: none;
  border: 0;
}

.recommend-group {
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 8px 0 12px;
}

.foot-left-bottom {
  display: grid;
  gap: 6px;
  margin-top: 34px;
  font-size: 12px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.66);
}

.mr-40 {
  margin-right: 40px;
}

.mr-8 {
  margin-right: 8px;
}

.foot-link-icp {
  white-space: nowrap;
}

.foot-vertical-line {
  width: 1px;
  align-self: stretch;
  margin: 0 38px 0 32px;
  background: rgba(255, 255, 255, 0.12);
}

.foot-right {
  width: 270px;
  flex: 0 0 270px;
}

.foot-contact-grid {
  display: grid;
  gap: 10px;
  margin-top: 8px;
}

.foot-contact-item {
  display: flex;
  align-items: flex-start;
}

.foot-contact-label {
  width: 92px;
  flex: 0 0 92px;
  font-size: 13px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.46);
}

.foot-contact-value {
  font-size: 13px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.72);
}

.foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0 18px;
  font-size: 12px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.64);
  margin-top: 26px;
}

@media (max-width: 1200px) {
  .hero__inner,
  .feature-cards,
  .recommend-grid,
  .all-features-menu__grid,
  .foot-content {
    display: block;
  }

  .foot-row {
    flex-wrap: wrap;
    gap: 8px 0;
  }

  .w-100,
  .w-200 {
    width: auto;
    flex: 1 1 220px;
  }

  .foot-vertical-line {
    display: none;
  }

  .foot-right {
    width: auto;
    margin-top: 28px;
  }
}

@media (max-width: 1024px) {
  .hero__inner,
  .hero-stats,
  .feature-cards,
  .recommend-grid,
  .all-features-menu__grid {
    gap: 16px;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .site-header__inner {
    gap: 20px;
  }

  .site-logo__brand {
    width: 78px;
    height: 24px;
    flex-basis: 78px;
  }

  .site-logo__title {
    width: 82px;
    flex-basis: 82px;
  }

  .site-logo__badge {
    width: 50px;
    flex-basis: 50px;
  }

  .site-nav {
    gap: 20px;
    font-size: 13px;
    flex-wrap: nowrap;
  }

  .hero-copy {
    padding-top: 24px;
  }
}

@media (max-width: 768px) {
  .site-header__inner,
  .hero__inner,
  .section,
  .foot-content {
    width: min(calc(100% - 32px), var(--content-width));
  }

  .site-header__inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    padding: 12px 0 14px;
  }

  .site-logo {
    transform-origin: left center;
    transform: scale(0.94);
  }

  .site-nav {
    width: 100%;
    gap: 18px;
    justify-content: flex-start;
    font-size: 13px;
  }

  .hero {
    padding-top: 0;
  }

  .hero__backdrop {
    inset: 0 0 auto;
    height: 760px;
    border-radius: 0;
  }

  .hero-copy__summary {
    font-size: 15px;
  }

  .w-input,
  .assistant-input input {
    font-size: 16px;
  }

  .search-form__control,
  .assistant-input {
    flex-direction: column;
    align-items: stretch;
  }

  .search-form__control--relation {
    gap: 12px;
  }

  .search-form__relation-icon {
    align-self: center;
    transform: rotate(90deg);
  }

  .w-input-search-icon,
  #assistant-fill {
    width: 100%;
  }

  .assistant-card__header {
    flex-direction: column;
  }

  .backTop-box {
    right: 12px;
    bottom: 18px;
  }

  .seo-floating-tools-popover {
    left: auto;
    right: calc(100% + 10px);
  }

  .foot {
    padding: 42px 0;
  }
}