/* 点量VR同屏官网 — 统一样式表 */
/* 修改样式请在本文件中搜索区块注释或 class 名 */

/* ===== Design Tokens ===== */

:root {
  /* Colors */
  --color-primary: #0050cc;
  --color-primary-light: #60a5fa;
  --color-primary-text: #0352cd;
  --color-primary-border: #0051cd;
  --color-badge-bg: #c3d7fa;
  --color-dark: #0f1628;
  --color-dark-2: #0f172b;
  --color-heading: #0f172a;
  --color-card-title: #0b1c30;
  --color-body: #666666;
  --color-muted: #64748b;
  --color-muted-dark: #999999;
  --color-slate: #94a3b8;
  --color-slate-dark: #334155;
  --color-border: #d3e4fe;
  --color-border-light: #e2e8f0;
  --color-border-dark: #323848;
  --color-border-featured: #a3b7de;
  --color-card-light: #f8f9ff;
  --color-surface: #f8fafc;
  --color-compare-muted: #fafbfd;
  --color-white: #ffffff;
  --color-nav-text: #333333;
  --color-btn-text: #fdfdff;
  --color-icon-bg: #191f31;

  /* Gradients & shadows */
  --gradient-brand: linear-gradient(90deg, #0050cc 0%, #60a5fa 100%);
  --gradient-hero-text: linear-gradient(90deg, #0050cc, #60a5fa);
  --gradient-cta-bg: linear-gradient(90deg, rgb(15, 23, 42) 0%, rgb(15, 23, 42) 100%);
  --shadow-primary-btn: 0 20px 12.5px rgba(0, 80, 204, 0.3), 0 8px 5px rgba(0, 80, 204, 0.3);
  --shadow-card-hover: 0 12px 32px rgba(0, 80, 204, 0.12);

  /* Typography */
  --font-primary: "Alibaba PuHuiTi", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-secondary: "Noto Sans SC", "PingFang SC", sans-serif;

  /* Layout */
  --container-max: 1440px;
  --gutter: clamp(20px, 12.5vw, 240px);
  --header-height: 60px;
  --section-padding-y: clamp(80px, 6vw, 120px);
  --grid-gap: 33px;
  --card-padding: 32px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 32px;
  --radius-cta: 40px;
  --radius-pill: 16px;

  /* Transitions */
  --transition-base: 0.3s ease;
}

/* ===== Reset ===== */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Alibaba PuHuiTi";

}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

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

ul,
ol {
  list-style: none;
}

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

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ===== Base & Layout ===== */

@font-face {
  font-family: "Alibaba PuHuiTi";
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  src: url("https://puhuiti.oss-cn-hangzhou.aliyuncs.com/AlibabaPuHuiTi-2/AlibabaPuHuiTi-2-55-Regular/AlibabaPuHuiTi-2-55-Regular.woff2")
    format("woff2");
}

@font-face {
  font-family: "Alibaba PuHuiTi";
  font-weight: 500;
  font-style: normal;
  font-display: swap;
  src: url("https://puhuiti.oss-cn-hangzhou.aliyuncs.com/AlibabaPuHuiTi-2/AlibabaPuHuiTi-2-65-Medium/AlibabaPuHuiTi-2-65-Medium.woff2")
    format("woff2");
}

@font-face {
  font-family: "Alibaba PuHuiTi";
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  src: url("https://puhuiti.oss-cn-hangzhou.aliyuncs.com/AlibabaPuHuiTi-2/AlibabaPuHuiTi-2-75-Bold/AlibabaPuHuiTi-2-75-Bold.woff2")
    format("woff2");
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  color: var(--color-body);
  background-color: var(--color-white);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 0;
  padding-right: 0;
}

.page-wrap {
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section {
  position: relative;
}

.section--white {
  background-color: var(--color-white);
}

.section--surface {
  background-color: var(--color-surface);
}

.section--dark {
  background-color: var(--color-dark);
  color: var(--color-white);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--grid-gap);
}

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

/* ----- Header ----- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: var(--color-white);
  border-bottom: 1px solid rgba(211, 228, 254, 0.5);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  max-width: calc(var(--container-max) + var(--gutter) * 2);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.site-header__logo {
  width: 146px;
  height: 32px;
  object-fit: contain;
}

.site-header__name {
  font-size: 22px;
  font-weight: 300;
  color: var(--color-nav-text);
  white-space: nowrap;
}

.site-header__right {
  display: flex;
  align-items: center;
  gap: 60px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.site-nav__link {
  font-size: 16px;
  color: #000000;
  white-space: nowrap;
  transition: color var(--transition-base);
}

.site-nav__link:hover,
.site-nav__link.is-active {
  color: var(--color-primary);
}

.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
}

.site-header__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-heading);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.site-header__toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header__toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.site-header__toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ----- Buttons ----- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-weight: 700;
  border-radius: var(--radius-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base),
    opacity var(--transition-base);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn--primary {
  height: 62px;
  padding: 0 30px;
  min-width: 160px;
  font-size: 20px;
  line-height: 28px;
  color: var(--color-white);
  border-radius: 16px;
  background: #0050CC;
  box-shadow: 0 20px 25px -5px rgba(0, 80, 204, 0.30), 0 8px 10px -6px rgba(0, 80, 204, 0.30);
}

.btn--primary:hover {
  box-shadow: 0 24px 16px rgba(0, 80, 204, 0.35), 0 10px 6px rgba(0, 80, 204, 0.3);
}

.btn--outline {
  height: 62px;
  padding: 0 26px;
  min-width: 132px;
  font-size: 20px;
  font-weight: 500;
  line-height: 28px;
  color: var(--color-nav-text);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--gradient {
  height: 38px;
  padding: 8px 18px;
  background: var(--gradient-brand);
  border-radius: var(--radius-sm);
  color: #FDFDFF;
  font-family: "PingFang SC";
  font-size: 16px;
  font-style: normal;
  font-weight: 600;
  line-height: normal;
}

.btn--gradient:hover {
  opacity: 0.92;
}

.btn--block {
  width: 100%;
  height: 67px;
  font-size: 20px;
  border-radius: var(--radius-lg);
  gap: 4px;
}

.compare-card__cta .btn--block {
  display: inline-flex;
  box-shadow: 0 0 0 0;
}

.btn__icon {
  width: 16px;
  height: 16px;
  object-fit: contain;
}

/* ----- Section Head ----- */

.section-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: 80px;
  text-align: center;
}

.section-head__title {
  font-size: 28px;
  font-weight: 700;
  line-height: normal;
  color: var(--color-heading);
}

.section--dark .section-head__title {
  color: var(--color-white);
}

.section-head__line {
  width: 64px;
  height: 4px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

.section-head--light .section-head__title {
  color: var(--color-white);
}

/* ----- Card ----- */

.card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--card-padding);
  background-color: var(--color-white);
  transition: transform var(--transition-base), box-shadow var(--transition-base),
    border-color var(--transition-base), background-color var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-primary);
}

.card--plain {
  border-color: transparent;
  background-color: var(--color-white);
}

.card--plain:hover {
  background-color: var(--color-card-light);
}

.card--dark {
  background-color: rgba(255, 255, 255, 0.04);
  border-color: var(--color-border-dark);
  color: var(--color-white);
}

.card--dark:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--color-primary-light);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

.card--dark-primary {
  background-color: rgba(255, 255, 255, 0.1);
}

.card__icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary);
  flex-shrink: 0;
}

.card--plain .card__icon-wrap,
.card--plain .card__icon-wrap--light {
  background-color: var(--color-white);
}

.card__icon-wrap--dark-inner {
  background-color: var(--color-icon-bg);
}

.card__icon {
  object-fit: contain;
}

.card__body {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 24px;
}

.card--center .card__body {
  margin-top: 28px;
  text-align: center;
  align-items: center;
}

.card__title {
  font-size: 20px;
  font-weight: 700;
  line-height: normal;
  color: var(--color-card-title);
}

.card--dark .card__title {
  color: var(--color-white);
}

.card__text {
  font-size: 16px;
  line-height: 24px;
  color: var(--color-body);
}

.card--dark .card__text {
  color: var(--color-muted-dark);
}

.card--faq {
  min-height: 123px;
  padding: 24px;
}

.card--faq:hover {
  transform: translateY(-2px);
}

.card--faq-active {
  border-color: var(--color-primary-border);
}

.card--faq .card__question {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 700;
  color: var(--color-nav-text);
  margin-bottom: 16px;
}

.card--faq-active .card__question {
  color: var(--color-primary);
}

.card--faq .card__answer {
  padding-left: 30px;
  font-size: 14px;
  line-height: normal;
  color: var(--color-body);
}

.card--faq .card__faq-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.card--scene {
  text-align: center;
}

.card--scene .card__icon-wrap--circle {
  width: 64px;
  height: 64px;
  margin: 0 auto 28px;
  border-radius: 16px;
  background: #EFF6FF;
}

.card--scene .card__title {
  margin-bottom: 0;
}

.card--scene .card__body {
  margin-top: 0;
  gap: 20px;
}

/* ----- Tabs ----- */

.tabs {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
}

.tabs__nav {
  display: inline-flex;
  align-items: center;
  padding: 4px;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
}

.tabs__nav--dark {
  background-color: rgba(255, 255, 255, 0.08);
}

.tabs__btn {
  min-width: 140px;
  height: 40px;
  padding: 0 20px;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-dark-2);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-base), color var(--transition-base);
}

.tabs__btn:hover {
  color: var(--color-primary);
}

.tabs__btn.is-active {
  color: var(--color-white);
  background-color: var(--color-dark-2);
}

.tabs__panels {
  width: 100%;
}

.tabs__panel {
  display: none;
}

.tabs__panel.is-active {
  display: block;
  animation: tabFadeIn 0.35s ease;
}

@keyframes tabFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ----- Badge ----- */

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 32px;
  padding: 0 17px;
  background-color: var(--color-badge-bg);
  border-radius: var(--radius-pill);

  color: #0352CD;
  font-family: "Alibaba PuHuiTi";
  font-size: 16px;
  font-style: normal;
  font-weight: 700;
  line-height: normal;
}

.badge--recommend {
  position: absolute;
  top: -12px;
  right: 24px;
  height: 28px;
  padding: 0 11px;
  font-size: 12px;
  color: var(--color-white);
  background-color: #0150cc;
  border-radius: var(--radius-pill);
  gap: 4px;
}

.badge--recommend img {
  width: 14px;
  height: 10px;
}

.label-upper {
  font-family: var(--font-secondary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--color-slate);
}

/* ===== Section: Hero ===== */

.hero {
  position: relative;
  min-height: 800px;
  padding-top: 114px;
  padding-bottom: 114px;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  top: 0;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__bg-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(255, 255, 255, 0.5);
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 70px;
  align-items: center;
  container-type: inline-size;
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1 1 400px;
  min-width: min(100%, 400px);
  max-width: 600px;
}

.hero__badge {
  align-self: flex-start;
}

.hero__headline {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero__title-gradient {
  font-size: clamp(36px, 5vw, 80px);
  font-weight: 700;
  line-height: 1;
  background: var(--gradient-hero-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  font-family: "Alibaba PuHuiTi";
}

.hero__title-solid {
  font-size: clamp(36px, 5vw, 80px);
  font-weight: 700;
  line-height: 1;
  color: var(--color-heading);
}

.hero__desc {
  max-width: 593px;
  font-size: 18px;
  line-height: normal;
  margin-top: 20px;
  color: var(--color-body);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin: 20px 0;
}

.hero__features {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
}

.hero__feature {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-secondary);
  font-size: 14px;
  line-height: 20px;
  color: var(--color-muted);
}

.hero__feature img {
  width: 14px;
  height: 14px;
}

@container (max-width: 1080px) {
  .hero__content {
    max-width: 100%;
  }

  .hero__visual {
    justify-content: center;
    margin-left: 0;
    max-width: 100%;
  }
}

.hero__visual {
  display: flex;
  flex: 1 1 410px;
  justify-content: flex-end;
  min-width: min(100%, 410px);
  max-width: 777px;
  margin-left: auto;
}

.hero__mockup-wrap {
  position: relative;
  width: 100%;
  max-width: 777px;
  padding: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 504px;
  min-height: 504px;
}

/* --- Hero Demo UI --- */
.hero-demo__wrap {
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  height: 100%;
  border-radius: 20px;
  background: #fff;
  padding: 12px;
}

.hero-demo {
  border-radius: 12px;
  position: relative;
  display: flex;
  flex: 1;
  flex-direction: column;
  min-height: 0;
  padding: 14px 16px 12px;
  color: #e2e8f0;
  font-size: 12px;
  background: #0f1115 url("data:image/svg+xml,%3Csvg width='60' height='52' viewBox='0 0 60 52' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 0l30 17.3v34.7L30 52 0 52V17.3z' fill='none' stroke='%231a2030' stroke-width='1'/%3E%3C/svg%3E") repeat;
  background-size: 60px 52px;
}

.hero-demo__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  flex-shrink: 0;
}

.hero-demo__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.hero-demo__logo {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  object-fit: contain;
}

.hero-demo__title {
  font-size: 13px;
  font-weight: 500;
  color: #f1f5f9;
  white-space: nowrap;
}

.hero-demo__title em {
  font-style: normal;
  font-size: 11px;
  color: #94a3b8;
  margin-left: 4px;
}

.hero-demo__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  font-size: 11px;
  color: #94a3b8;
  white-space: nowrap;
}

.hero-demo__bar {
  display: inline-block;
  width: 3px;
  height: 12px;
  margin-right: 6px;
  background: var(--color-primary);
  border-radius: 2px;
  vertical-align: middle;
}

.hero-demo__panel {
  flex-shrink: 0;
  padding: 14px 16px 16px;
  margin-bottom: 10px;
  background: #1a1d24;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.hero-demo__panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.hero-demo__panel-title,
.hero-demo__history-title {
  display: flex;
  align-items: center;
  font-size: 13px;
  font-weight: 600;
  color: #f1f5f9;
}

.hero-demo__toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: default;
  opacity: 0.7;
}

.hero-demo__toggle input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.hero-demo__toggle-track {
  position: relative;
  width: 32px;
  height: 18px;
  background: #334155;
  border-radius: 9px;
  flex-shrink: 0;
}

.hero-demo__toggle-track::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  background: #94a3b8;
  border-radius: 50%;
}

.hero-demo__toggle-label {
  font-size: 11px;
  color: #94a3b8;
  white-space: nowrap;
}

.hero-demo__hint {
  margin-bottom: 14px;
  font-size: 11px;
  color: #64748b;
  text-align: center;
}

.hero-demo__ip-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-bottom: 14px;
}

.hero-demo__ip-segment {
  width: 72px;
  height: 52px;
  padding: 0 4px;
  font-size: 28px;
  font-weight: 700;
  text-align: center;
  color: var(--color-primary-light);
  background: #0f1115;
  border: 1px solid rgba(96, 165, 250, 0.25);
  border-radius: 8px;
  outline: none;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.hero-demo__ip-segment:focus {
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 2px rgba(96, 165, 250, 0.2);
}

.hero-demo__ip-dot {
  width: 4px;
  height: 4px;
  background: var(--color-primary-light);
  border-radius: 50%;
  flex-shrink: 0;
}

.hero-demo__connect-btn {
  display: block;
  width: 100%;
  height: 40px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: var(--color-primary);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color var(--transition-base), transform var(--transition-base);
}

.hero-demo__connect-btn:hover:not(:disabled) {
  background: #0066ff;
  transform: translateY(-1px);
}

.hero-demo__connect-btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.hero-demo__history {
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.hero-demo__history-title {
  margin-bottom: 8px;
}

.hero-demo__history-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.hero-demo__history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 8px 10px;
  background: rgba(26, 29, 36, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
}

.hero-demo__history-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.hero-demo__history-ip {
  font-size: 11px;
  font-weight: 500;
  color: #e2e8f0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hero-demo__history-time {
  font-size: 10px;
  color: #64748b;
}

.hero-demo__history-btn {
  flex-shrink: 0;
  padding: 4px 8px;
  font-size: 10px;
  color: #fff;
  background: var(--color-primary);
  border: none;
  border-radius: 4px;
  opacity: 0.85;
  cursor: not-allowed;
}

.hero-demo__history-btn--muted {
  background: #475569;
}

.hero-demo__loading {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: rgba(15, 17, 21, 0.88);
  backdrop-filter: blur(4px);
  border-radius: 12px;
}

.hero-demo__loading[hidden] {
  display: none;
}

.hero-demo__spinner {
  width: 36px;
  height: 36px;
  border: 3px solid rgba(96, 165, 250, 0.2);
  border-top-color: var(--color-primary-light);
  border-radius: 50%;
  animation: heroDemoSpin 0.8s linear infinite;
}

@keyframes heroDemoSpin {
  to {
    transform: rotate(360deg);
  }
}

.hero-demo__loading-text {
  font-size: 13px;
  color: #94a3b8;
}

/* --- Hero Carousel --- */

.hero-carousel {
  position: relative;
  display: flex;
  flex: 1;
  flex-direction: column;
  width: 100%;
  min-height: 0;
  border-radius: 12px;
  overflow: hidden;
  /* background: #0f1115; */
}

.hero-carousel__header {
  display: flex;
  flex-shrink: 0;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
  color: #34507e;
  background: #f6faff;
}

.hero-carousel__label {
  flex-shrink: 0;
}

.hero-carousel__meta {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 10px;
}

.hero-carousel__status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.4;
  color: #16a34a;
  border: 1px solid #16a34a;
  border-radius: 6px;
  white-space: nowrap;
}

.hero-carousel__spec {
  white-space: nowrap;
}

.hero-carousel__track {
  position: relative;
  flex: 1;
  min-height: 0;
  width: 100%;
}

.hero-carousel__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.6s ease;
  pointer-events: none;
}

.hero-carousel__slide.is-active {
  opacity: 1;
  pointer-events: auto;
}

.hero-carousel__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-carousel__dots {
  position: absolute;
  bottom: 12px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 8px;
}

.hero-carousel__dot {
  width: 8px;
  height: 8px;
  padding: 0;
  background: rgba(255, 255, 255, 0.35);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: background-color var(--transition-base), transform var(--transition-base);
}

.hero-carousel__dot.is-active {
  background: var(--color-primary-light);
  transform: scale(1.15);
}

.hero-carousel__dot:hover {
  background: rgba(255, 255, 255, 0.6);
}

/* ===== Section: Pain Points ===== */

.pain-points {
  padding-top: var(--section-padding-y);
  padding-bottom: var(--section-padding-y);
}

.pain-points .card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 239px;
}

.pain-points .card__body {
  margin-top: 24px;
  flex: 1;
}

.pain-points .card__icon-wrap {
  position: relative;
}

.pain-points .card__icon--default,
.pain-points .card__icon--hover {
  transition: opacity var(--transition-base);
}

.pain-points .card__icon--hover {
  position: absolute;
  inset: 0;
  margin: auto;
  opacity: 0;
}

.pain-points .card--plain:hover .card__icon--default {
  opacity: 0;
}

.pain-points .card--plain:hover .card__icon--hover {
  opacity: 1;
}

/* ===== Section: Features ===== */

.features {
  padding-top: var(--section-padding-y);
  padding-bottom: var(--section-padding-y);
}

.features .grid-3 {
  row-gap: 32px;
}

.features .card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.features .card > .card__icon {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
}

.features .card__body {
  margin-top: 0;
}

.features .card__icon-wrap {
  background: transparent;
}

.features .card--dark .card__icon {
  width: 33px;
  height: 33px;
  max-height: none;
  margin: 9px 0 35px;

}

/* ===== Section: Process ===== */

.process {
  padding-top: var(--section-padding-y);
  padding-bottom: var(--section-padding-y);
  background-color: var(--color-surface);
}

.process__timeline {
  position: relative;
}

.process__line {
  position: absolute;
  top: 32px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: #e2e6eb;
  z-index: 0;
}

.process__list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}

.process__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.process__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 24px;
  width: 100%;
}

.process__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  font-size: 24px;
  font-weight: 700;
  color: var(--color-white);
  background: #0050cc;
  border-radius: 50%;
  flex-shrink: 0;
}

.process__num--dark {
  background: #0f1628;
}

.process__step-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: 12px;
  text-align: center;
  font-style: normal;
  line-height: normal;
}

.process__step-desc {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.4;
}

.process__demo {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.process__demo img {
  width: 100%;
  display: block;
  object-fit: cover;
}

/* ===== Section: Advantages ===== */

.advantages {
  padding-top: var(--section-padding-y);
  padding-bottom: var(--section-padding-y);
  background: linear-gradient(180deg, var(--color-white) 0%, var(--color-surface) 100%);
}

.advantages .card--scene {
  min-height: 239px;
  padding: 28px var(--card-padding) var(--card-padding);
}

.advantages .card--scene .card__icon-wrap--circle {
  background: rgba(239, 246, 255, 1);
}

/* ===== Section: Compare ===== */

.compare {
  padding-top: var(--section-padding-y);
  padding-bottom: var(--section-padding-y);
}

.compare__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  max-width: 900px;
  margin: 0 auto;
  align-items: start;
}

.compare-card {
  position: relative;
  border-radius: var(--radius-2xl);
  padding: 32px;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.compare-card--basic {
  background-color: var(--color-compare-muted);
  min-height: 536px;
}

.compare-card--featured {
  background-color: var(--color-dark-2);
  border: 4px solid var(--color-border-featured);
  min-height: 588px;
  /* margin-top: -32px; */
  margin-top: 0px;

}

.compare-card--featured:hover {
  border-color: var(--color-primary-light);
  box-shadow: 0 16px 40px rgba(0, 80, 204, 0.25);
}

.compare-card__label {
  margin-bottom: 24px;
}

.compare-card__label .label-upper {
  display: block;
  margin-bottom: 12px;
}

.compare-card__name {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-slate-dark);
}

.compare-card--featured .compare-card__name {
  font-size: 30px;
  color: var(--color-white);
}

.compare-card__list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.compare-card__item {
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border-light);
}
.compare-card__item:last-child {
  border-bottom: none;
}
.compare-card--basic{
  margin-top: 64px;
  padding-bottom: 50px;
}

.compare-card--featured .compare-card__item {
  border-bottom-color: #E2E8F0;
}

.flexCenter{
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.compare-card__item-title {
  font-family: var(--font-secondary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--color-slate);
  margin-bottom: 8px;
}

.compare-card__row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.compare-card__row img {
  width: 10px;
  height: 10px;
  flex-shrink: 0;
}

.compare-card--featured .compare-card__row img {
  width: 21px;
  height: 21px;
}

.compare-card__row p {
  font-size: 16px;
  color: var(--color-muted);
}

.compare-card--featured .compare-card__row p {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-white);
  white-space: normal;
}

.compare-card--featured .label-upper {
  color: var(--color-slate);
}

.compare-card__cta {
  margin-top: 24px;
}

/* ===== Section: Interface ===== */

.interface {
  padding-top: var(--section-padding-y);
  padding-bottom: var(--section-padding-y);
}

.interface .tabs {
  gap: 48px;
}

.interface__screenshot {
  width: 100%;
  max-width: 1066px;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(15, 23, 42, 0.12);
}

.interface__screenshot img {
  width: 100%;
  height: auto;
  display: block;
}

/* ===== Section: Download ===== */

.download {
  position: relative;
  padding-top: var(--section-padding-y);
  padding-bottom: var(--section-padding-y);
  overflow: hidden;
}

.download__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.download__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.download__bg-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(255, 255, 255, 0.5);
}

.download .container {
  position: relative;
  z-index: 1;
}

.download__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
}

.download-card {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: flex-start;
  background-color: var(--color-card-light);
  border-color: var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--card-padding);
}

.download-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-border);
}

.download-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(0, 80, 204, 0.2);
  flex-shrink: 0;
}

.download-card__icon img {
  display: block;
  object-fit: contain;
}

.download-card__icon img[src*="icon-download-vr"] {
  width: 31px;
  height: auto;
}

.download-card__icon img[src*="icon-download-android"] {
  width: 36px;
  height: 36px;
}

.download-card__icon img[src*="icon-download-windows"] {
  width: 32px;
  height: 32px;
}

.download-card__body {
  display: flex;
  flex-direction: column;
  gap: 20px;
  width: 100%;
}

.download-card__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
}

.download-card__title {
  font-size: 20px;
  font-weight: 700;
  line-height: normal;
  color: var(--color-card-title);
}

.download-card__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 56px;
  height: 24px;
  font-family: var(--font-secondary);
  font-size: 10px;
  font-weight: 700;
  line-height: 15px;
  color: var(--color-primary);
  background-color: #c6d7f5;
  border-radius: 4px;
}

.download-card__desc,
.download-card__meta {
  font-size: 16px;
  line-height: 24px;
  color: var(--color-body);
}

.download-card__meta p {
  margin: 0;
}

.btn--download {
  width: 140px;
  height: 52px;
  min-width: 0;
  padding: 0 16px;
  font-size: 20px;
  line-height: 28px;
  border-radius: var(--radius-md);
}

/* ===== Section: FAQ ===== */

.faq {
  padding-top: var(--section-padding-y);
  padding-bottom: var(--section-padding-y);
}

.faq__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--grid-gap);
}

.faq .card--faq .card__body {
  margin-top: 0;
}

/* ===== Section: CTA ===== */

.cta {
  position: relative;
  padding-top: var(--section-padding-y);
  padding-bottom: var(--section-padding-y);
  background: var(--gradient-cta-bg);
  overflow: hidden;
}

.cta__glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 50% 50% at 50% 50%,
    rgba(96, 165, 250, 0.2) 0%,
    transparent 70%
  );
  pointer-events: none;
}

.cta__card {
  position: relative;
  max-width: 1225px;
  margin: 0 auto;
  padding: 60px 48px 72px;
  text-align: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-cta);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.cta__eyebrow {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: 18px;
}

.cta__title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-white);
  margin-bottom: 24px;
}

.cta__subtitle {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 48px;
  max-width: 606px;
  margin-left: auto;
  margin-right: auto;
}

.cta__contacts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
  margin-bottom: 32px;
}

.cta__contact {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 240px;
  height: 52px;
  padding: 0 24px;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  transition: background-color var(--transition-base), border-color var(--transition-base),
    transform var(--transition-base);
}

.cta__contact:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.cta__contact img {
  width: 16px;
  height: 16px;
  object-fit: contain;
}

.cta__qrcodes {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
}

.cta__qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 240px;
  height: auto;
  padding: 23px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-base), border-color var(--transition-base);
}

.cta__qr:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.3);
}

.cta__qr img {
  width: 194px;
  height: 194px;
  object-fit: contain;
}

.cta__qr-name {
  margin-top: 12px;
  margin-bottom: 0;
  font-size: 16px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
}

/* ===== Section: Footer ===== */

.site-footer {
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-dark-2);
}

.site-footer__text {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  text-align: center;
}

/* ===== Scroll Reveal ===== */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Back to Top ===== */

.back-to-top {
  display: flex;
  height: 46px;
  width: 46px;
  justify-content: center;
  align-items: center;
  border-radius: 6px;
  background: linear-gradient(180deg, #FFF 60%, #F5FAFF 100%);
  box-shadow: 0px 2px 6px 0px rgba(24, 69, 116, 0.20);
  flex-direction: column;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition-base), transform var(--transition-base),
    visibility var(--transition-base), box-shadow var(--transition-base);
  padding: 0;
  border: none;
  position: fixed;
  right: clamp(20px, 5vw, 40px);
  bottom: 32px;
  z-index: 98;
  color: #206cdb;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top.is-visible:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 80, 204, 0.4);
}

.back-to-top:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
}

/* ===== Responsive ===== */

@media (max-width: 1439px) {
  .hero__inner {
    gap: 48px;
  }

  .compare-card--featured {
    margin-top: 0;
  }
}

@media (max-width: 1023px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .features .grid-3 .card:nth-child(3) {
    grid-column: span 1;
  }

  .hero__inner {
    gap: 32px;
  }

  .hero__visual {
    justify-content: center;
    margin-left: 0;
    max-width: 100%;
  }

  .hero__content {
    max-width: 640px;
  }

  .process__list {
    grid-template-columns: repeat(2, 1fr);
  }

  .process__line {
    display: none;
  }

  .compare__grid {
    grid-template-columns: 1fr;
    max-width: 480px;
  }

  .download__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 991px) {
  .site-header__toggle {
    display: flex;
    position: relative;
    z-index: 101;
  }

  .site-header__logo {
    width: 120px;
    height: 26px;
  }

  .site-header__right {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    z-index: 99;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 16px var(--gutter) 24px;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base), opacity var(--transition-base),
      visibility var(--transition-base);
  }

  .site-header__right.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .site-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    width: 100%;
  }

  .site-nav__link {
    display: block;
    width: 100%;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
  }

  .site-header__right .btn--gradient {
    width: 100%;
    margin-top: 16px;
    height: 44px;
  }
}

@media (max-width: 767px) {
  :root {
    --section-padding-y: 56px;
    --grid-gap: 20px;
    --card-padding: 20px;
  }

  body {
    overflow-x: hidden;
  }

  body.nav-open {
    overflow: hidden;
  }

  .grid-3,
  .grid-2,
  .faq__grid {
    grid-template-columns: 1fr;
  }

  .section-head {
    margin-bottom: 40px;
  }

  .section-head__title {
    font-size: 22px;
  }

  .hero {
    min-height: auto;
    padding-top: 48px;
    padding-bottom: 64px;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__visual {
    width: 100%;
  }

  .btn--primary,
  .btn--outline {
    width: 100%;
    min-width: 0;
  }

  .hero__mockup-wrap {
    height: auto;
    min-height: 360px;
  }

  .hero-demo {
    min-height: 0;
    padding: 12px;
  }

  .hero-demo__meta {
    display: none;
  }

  .hero-demo__panel-head {
    flex-wrap: wrap;
    gap: 8px;
  }

  .hero-demo__title {
    font-size: 11px;
    white-space: normal;
  }

  .hero-demo__ip-row {
    gap: 4px;
  }

  .hero-demo__ip-segment {
    flex: 1;
    min-width: 0;
    width: auto;
    height: 44px;
    font-size: clamp(18px, 5vw, 28px);
  }

  .hero-demo__history {
    display: none;
  }

  .hero-carousel {
    min-height: 0;
  }

  .hero-carousel__header {
    padding: 10px 12px;
    font-size: 12px;
  }

  .tabs__nav {
    display: flex;
    flex-wrap: nowrap;
    justify-content: flex-start;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
  }

  .tabs__btn {
    flex: 0 0 auto;
    min-width: 120px;
    scroll-snap-align: start;
  }

  .process__list {
    grid-template-columns: 1fr;
  }

  .compare__grid {
    max-width: 100%;
  }

  .compare-card {
    padding: 24px;
    border-radius: 24px;
  }

  .compare-card--featured {
    border-width: 2px;
  }

  .compare-card--basic,
  .compare-card--featured {
    min-height: auto;
  }

  .download__grid {
    grid-template-columns: 1fr;
  }

  .download-card {
    padding: 24px;
  }

  .btn--download {
    width: 100%;
  }

  .card--faq {
    padding: 16px;
  }

  .card--faq .card__answer {
    padding-left: 0;
    margin-top: 8px;
  }

  .cta__card {
    padding: 40px 24px 48px;
  }

  .cta__subtitle {
    font-size: 16px;
    padding: 0 8px;
  }

  .cta__contacts {
    flex-direction: column;
    align-items: stretch;
  }

  .cta__contact {
    width: 100%;
    min-width: 0;
  }

  .cta__qr {
    width: min(240px, 100%);
    height: auto;
  }

  .cta__qr img {
    width: 100%;
    max-width: 194px;
    height: auto;
    aspect-ratio: 1;
  }

  .site-footer {
    height: auto;
    padding: 12px var(--gutter);
  }

  .site-footer__text {
    font-size: 12px;
    line-height: 1.5;
  }
}

@media (max-width: 480px) {
  .hero__title-gradient,
  .hero__title-solid {
    font-size: clamp(32px, 8vw, 80px);
  }

  .hero__desc {
    font-size: 16px;
  }

  .hero-demo__hint {
    font-size: 10px;
  }

  .badge {
    font-size: 14px;
    height: auto;
    padding: 6px 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}