:root {
  --color-primary: #2B3992;
  --color-primary-light: #4A7FE8;
  --color-primary-deep: #1E2A6E;
  --color-accent: #F7941D;
  --color-accent-dark: #D97F0E;
  --color-success: #34C77B;
  --color-text: #1F2937;
  --color-text-muted: #6B7280;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F5F7FB;
  --color-border: #E5E7EB;
  --color-warm-bg: #FFFBF5;
  --color-warm-border: #FDBA74;

  --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;

  --spacing-1: 8px;
  --spacing-2: 16px;
  --spacing-3: 24px;
  --spacing-4: 32px;
  --spacing-5: 40px;
  --spacing-6: 48px;
  --spacing-7: 64px;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-full: 999px;

  --shadow-card: 0 2px 12px rgba(43, 57, 146, 0.08);
  --shadow-card-hover: 0 8px 24px rgba(43, 57, 146, 0.16);
  --shadow-header: 0 2px 12px rgba(30, 42, 110, 0.1);

  --header-height: 72px;
  --container-width: 1200px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-padding-top: calc(var(--header-height) + 16px);
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary-light);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-primary);
}

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

input,
textarea {
  font-family: inherit;
  font-size: inherit;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-3);
}

.section {
  padding: var(--spacing-7) 0;
}

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

.section-head {
  text-align: center;
  margin-bottom: var(--spacing-5);
}

.section-head__title {
  font-size: clamp(22px, 3vw, 28px);
  color: var(--color-text);
  line-height: 1.4;
}

.section-head__subtitle {
  margin-top: var(--spacing-1);
  color: var(--color-text-muted);
  font-size: 15px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-1);
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

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

.btn--primary {
  background: var(--color-accent);
  color: #FFFFFF;
}

.btn--primary:hover {
  background: var(--color-accent-dark);
  color: #FFFFFF;
  box-shadow: 0 6px 16px rgba(247, 148, 29, 0.35);
}

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

.btn--outline:hover {
  background: var(--color-primary);
  color: #FFFFFF;
}

.btn--ghost {
  border-color: rgba(255, 255, 255, 0.7);
  color: #FFFFFF;
  background: transparent;
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
}

.btn--sm {
  padding: 8px 18px;
  font-size: 14px;
}

.btn__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow 0.25s ease;
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-header);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  height: var(--header-height);
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.site-header__logo {
  height: 44px;
  width: auto;
}

.site-nav {
  margin-left: auto;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.site-nav__link {
  display: inline-block;
  padding: 6px 2px;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -2px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--color-primary);
  transition: width 0.25s ease, left 0.25s ease;
}

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

.site-nav__link:hover::after {
  width: 100%;
  left: 0;
}

.page-home .site-nav__link[href="index.html"],
.page-products .site-nav__link[href="products.html"],
.page-service .site-nav__link[href="service.html"],
.page-about .site-nav__link[href="about.html"],
.page-contact .site-nav__link[href="contact.html"] {
  color: var(--color-primary);
  font-weight: 600;
}

.page-home .site-nav__link[href="index.html"]::after,
.page-products .site-nav__link[href="products.html"]::after,
.page-service .site-nav__link[href="service.html"]::after,
.page-about .site-nav__link[href="about.html"]::after,
.page-contact .site-nav__link[href="contact.html"]::after {
  width: 100%;
  left: 0;
}

.site-header__hotline {
  flex-shrink: 0;
}

.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
}

.site-header__toggle span {
  display: block;
  height: 2px;
  width: 100%;
  border-radius: 2px;
  background: var(--color-primary);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.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);
}

.hero {
  background: linear-gradient(180deg, #EFF6FF 0%, #FFFFFF 100%);
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: var(--spacing-5);
  padding: var(--spacing-7) 0;
}

.hero__badge {
  display: inline-block;
  padding: 4px 14px;
  border: 1px solid #C7D2FE;
  border-radius: var(--radius-full);
  background: #EEF2FF;
  color: var(--color-primary);
  font-size: 14px;
  margin-bottom: var(--spacing-2);
}

.hero__title {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.5;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--spacing-2);
}

.hero__title strong {
  color: var(--color-primary);
}

.hero__desc {
  color: var(--color-text-muted);
  font-size: 16px;
  margin-bottom: var(--spacing-4);
  max-width: 34em;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
}

.hero__visual {
  position: relative;
}

.hero-visual__bg {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card-hover);
}

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

.pain-card {
  display: flex;
  flex-direction: column;
  background: var(--color-warm-bg);
  border: 1px solid var(--color-warm-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-3);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

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

.pain-card__problem {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-1);
  color: #C2410C;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: var(--spacing-1);
}

.pain-card__icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  margin-top: 3px;
}

.pain-card__desc {
  color: var(--color-text-muted);
  font-size: 14px;
  margin-bottom: var(--spacing-2);
}

.pain-card__divider {
  border: none;
  border-top: 1px dashed var(--color-warm-border);
  margin: auto 0 var(--spacing-2);
}

.pain-card__solution {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-bottom: var(--spacing-2);
}

.pain-card__solution:hover {
  color: var(--color-primary-light);
}

.pain-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-1);
}

.tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  background: #EEF2FF;
  color: var(--color-primary);
  font-size: 12px;
  line-height: 1.8;
}

.steps__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-3);
}

.step-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-3);
  text-align: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

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

.step-card__num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #FFFFFF;
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-2);
}

.step-card__num--accent {
  background: var(--color-accent);
}

.step-card__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-1);
}

.step-card__desc {
  font-size: 14px;
  color: var(--color-text-muted);
  white-space: pre-line;
}

.stats {
  background: var(--color-primary);
  color: #FFFFFF;
  padding: var(--spacing-5) 0;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-3);
  text-align: center;
}

.stats__value {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  line-height: 1.3;
}

.stats__label {
  color: #C7D2FE;
  font-size: 14px;
  margin-top: 4px;
}

.trust__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-5);
}

.trust__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-3);
}

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

.honor-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  padding: var(--spacing-2);
  font-size: 14px;
  color: var(--color-text);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.honor-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.honor-item__icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: var(--color-accent);
}

.client__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-2);
}

.client-item {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0 var(--spacing-2);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 2px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.client-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.client-item__logo {
  max-width: 100%;
  max-height: 56px;
  object-fit: contain;
}

.client-item--more {
  color: #94A3B8;
  font-weight: 400;
  font-size: 14px;
  letter-spacing: normal;
}

.trust__note {
  margin-top: var(--spacing-2);
  font-size: 12px;
  color: #94A3B8;
}

.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #FFFFFF;
  padding: var(--spacing-6) 0;
}

.cta-banner__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-4);
  flex-wrap: wrap;
}

.cta-banner__title {
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 800;
  margin-bottom: var(--spacing-1);
}

.cta-banner__desc {
  color: #DBEAFE;
  font-size: 15px;
}

.cta-banner__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.cta-banner__qrcode {
  width: 96px;
  height: 96px;
  padding: 4px;
  background: #FFFFFF;
  border-radius: var(--radius-sm);
}

.site-footer {
  background: var(--color-primary-deep);
  color: #9CA3AF;
  font-size: 14px;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.4fr;
  gap: var(--spacing-4);
  padding: var(--spacing-5) 0;
}

.site-footer__brand {
  height: 40px;
  width: auto;
  margin-bottom: var(--spacing-2);
  border-radius: 6px;
  /* background: #FFFFFF; */
  padding: 4px 8px;
}

.site-footer__desc {
  line-height: 1.8;
}

.site-footer__heading {
  color: #FFFFFF;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: var(--spacing-2);
}

.site-footer__list li {
  margin-bottom: var(--spacing-1);
}

.site-footer__list a {
  color: #9CA3AF;
}

.site-footer__list a:hover {
  color: #FFFFFF;
}

.site-footer__contact li {
  margin-bottom: var(--spacing-1);
  display: flex;
  gap: 8px;
}

.site-footer__contact svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 5px;
  color: #64748B;
}

.site-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-2) 0;
  text-align: center;
  font-size: 13px;
}

.page-hero {
  background: linear-gradient(180deg, #EFF6FF 0%, #FFFFFF 100%);
  padding: var(--spacing-6) 0 var(--spacing-5);
  text-align: center;
}

.page-hero__title {
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--spacing-1);
}

.page-hero__subtitle {
  color: var(--color-text-muted);
  font-size: 16px;
  max-width: 46em;
  margin: 0 auto;
}

.anchor-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  margin-top: var(--spacing-4);
}

.anchor-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border: 1px solid #C7D2FE;
  border-radius: var(--radius-full);
  background: #FFFFFF;
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 600;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.anchor-nav__link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #FFFFFF;
}

.product-block {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: var(--spacing-5);
  align-items: center;
  padding: var(--spacing-6) 0;
}

.product-block--alt .product-block__media {
  order: -1;
}

.product-block__tagline {
  display: inline-block;
  background: #EEF2FF;
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-2);
}

.product-block__title {
  font-size: clamp(20px, 2.5vw, 26px);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--spacing-2);
}

.product-block__list {
  margin-bottom: var(--spacing-3);
}

.product-block__list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 5px 0;
  color: var(--color-text);
  font-size: 15px;
}

.product-block__list svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 4px;
  color: var(--color-success);
}

.product-block__media svg {
  width: 100%;
  height: auto;
}

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

.path-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--spacing-3);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

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

.path-card--accent {
  border-top-color: var(--color-accent);
}

.path-card__label {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.path-card__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin: var(--spacing-1) 0;
}

.path-card__desc {
  font-size: 15px;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-2);
}

.path-card__list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 4px 0;
  font-size: 14px;
  color: var(--color-text);
}

.path-card__list svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 5px;
  color: var(--color-primary-light);
}

.path-card--accent .path-card__list svg {
  color: var(--color-accent);
}

.quote {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #FFFFFF;
  text-align: center;
  padding: var(--spacing-7) 0;
}

.quote__mark {
  font-size: 56px;
  line-height: 1;
  opacity: 0.4;
  font-family: Georgia, serif;
}

.quote__text {
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700;
  line-height: 1.7;
  max-width: 26em;
  margin: var(--spacing-2) auto;
}

.quote__text strong {
  color: #FFD8A8;
}

.about-intro {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--spacing-5);
  align-items: center;
}

.about-intro__text p {
  margin-bottom: var(--spacing-2);
  color: var(--color-text);
}

.about-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2);
}

.fact-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-3);
  text-align: center;
}

.fact-card__value {
  font-size: 26px;
  font-weight: 800;
  color: var(--color-primary);
}

.fact-card__label {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.contact__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-6);
}

.contact-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-4) var(--spacing-3);
  text-align: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

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

.contact-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #EEF2FF;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-2);
}

.contact-card__icon svg {
  width: 24px;
  height: 24px;
}

.contact-card__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.contact-card__value {
  font-size: 15px;
  color: var(--color-primary);
  font-weight: 600;
  word-break: break-all;
}

.contact-card__value:hover {
  color: var(--color-primary-light);
}

.contact-card__desc {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.contact-card__qrcode {
  width: 110px;
  height: 110px;
  margin: 0 auto var(--spacing-2);
  border-radius: var(--radius-sm);
}

.contact-form-wrap {
  max-width: 720px;
  margin: 0 auto;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-5);
  box-shadow: var(--shadow-card);
}

.contact-form__title {
  font-size: 20px;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-1);
}

.contact-form__hint {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 14px;
  margin-bottom: var(--spacing-4);
}

.form-field {
  margin-bottom: var(--spacing-3);
}

.form-field__label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-1);
}

.form-field__label em {
  color: #DC2626;
  font-style: normal;
  margin-left: 2px;
}

.form-field__input,
.form-field__textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-field__input:focus,
.form-field__textarea:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(74, 127, 232, 0.15);
}

.form-field__textarea {
  min-height: 120px;
  resize: vertical;
}

.form-field--invalid .form-field__input,
.form-field--invalid .form-field__textarea {
  border-color: #DC2626;
}

.form-field__error {
  display: none;
  margin-top: 4px;
  font-size: 13px;
  color: #DC2626;
}

.form-field--invalid .form-field__error {
  display: block;
}

.contact-form__submit {
  width: 100%;
}

.form-success {
  display: none;
  text-align: center;
  padding: var(--spacing-4) 0;
}

.form-success.is-visible {
  display: block;
}

.form-success__icon {
  width: 64px;
  height: 64px;
  color: var(--color-success);
  margin: 0 auto var(--spacing-2);
}

.form-success__title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: var(--spacing-1);
}

.form-success__desc {
  color: var(--color-text-muted);
  font-size: 15px;
  margin-bottom: var(--spacing-3);
}

.confirm-dialog {
  border: none;
  border-radius: var(--radius-md);
  padding: 0;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  max-width: 420px;
  width: calc(100% - 48px);
}

.confirm-dialog::backdrop {
  background: rgba(15, 23, 42, 0.55);
}

.confirm-dialog__body {
  padding: var(--spacing-4);
}

.confirm-dialog__title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: var(--spacing-2);
  display: flex;
  align-items: center;
  gap: 8px;
}

.confirm-dialog__text {
  font-size: 15px;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-4);
  line-height: 1.7;
}

.confirm-dialog__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-2);
}

.notfound {
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  background: linear-gradient(180deg, #EFF6FF 0%, #FFFFFF 100%);
}

.notfound__inner {
  text-align: center;
  padding: var(--spacing-7) 0;
}

.notfound__code {
  font-size: clamp(72px, 12vw, 120px);
  font-weight: 800;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.notfound__title {
  font-size: 22px;
  font-weight: 700;
  margin: var(--spacing-2) 0 var(--spacing-1);
}

.notfound__desc {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-4);
}

.back-top {
  position: fixed;
  right: 24px;
  bottom: 32px;
  z-index: 90;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: var(--color-primary);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-card-hover);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease, background-color 0.2s ease;
}

.back-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.back-top:hover {
  background: var(--color-primary-light);
}

.back-top svg {
  width: 20px;
  height: 20px;
}

@media (max-width: 992px) {
  .hero__inner {
    grid-template-columns: 1fr;
    padding: var(--spacing-5) 0;
  }

  .hero__visual {
    max-width: 520px;
    margin: 0 auto;
  }

  .pain__grid {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin: 0 auto;
  }

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

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

  .product-block {
    grid-template-columns: 1fr;
    gap: var(--spacing-3);
  }

  .product-block--alt .product-block__media {
    order: 0;
  }

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

  .about-intro {
    grid-template-columns: 1fr;
  }

  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .site-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-header);
    display: none;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--spacing-2) var(--spacing-3);
  }

  .site-nav__link {
    display: block;
    padding: 12px 4px;
    border-bottom: 1px solid var(--color-border);
  }

  .site-nav__list li:last-child .site-nav__link {
    border-bottom: none;
  }

  .site-nav__link::after {
    display: none;
  }

  .page-home .site-nav__link[href="index.html"],
  .page-products .site-nav__link[href="products.html"],
  .page-service .site-nav__link[href="service.html"],
  .page-about .site-nav__link[href="about.html"],
  .page-contact .site-nav__link[href="contact.html"] {
    color: var(--color-primary);
  }

  .site-header__toggle {
    display: flex;
    margin-left: auto;
  }

  .site-header__hotline {
    margin-left: auto;
  }

  .site-header__toggle {
    margin-left: 0;
  }

  .stats__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3) var(--spacing-2);
  }

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

  .section {
    padding: var(--spacing-5) 0;
  }
}

@media (max-width: 576px) {
  .site-header__logo {
    height: 36px;
  }

  .site-header__hotline .btn__text-hotline {
    display: none;
  }

  .site-header__hotline {
    padding: 10px 14px;
  }

  .hero__actions .btn {
    width: 100%;
  }

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

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

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

  .site-footer__grid {
    grid-template-columns: 1fr;
  }

  .cta-banner__actions {
    width: 100%;
    justify-content: center;
  }

  .product-block__grid {
    grid-template-columns: 1fr;
  }

  .contact-form-wrap {
    padding: var(--spacing-3);
  }

  .back-top {
    right: 16px;
    bottom: 24px;
  }
}