:root {
  --bg: #fff8f3;
  --paper: #ffffff;
  --ink: #1f1714;
  --soft: #4a3b34;
  --muted: #7a6a60;
  --line: rgba(31, 23, 20, 0.08);
  --brand: #ff5a1f;
  --brand-deep: #e64510;
  --max: 1120px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font: "PingFang SC", "Hiragino Sans GB", "Segoe UI", "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

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

html { scroll-behavior: smooth; }

body.ay-body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--font);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

.ay-wrap {
  width: min(100% - 40px, var(--max));
  margin-inline: auto;
}

/* Nav */
.ay-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 248, 243, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
}

.ay-nav.is-solid {
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--line);
}

.ay-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}

.ay-nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 17px;
  font-weight: 800;
}

.ay-nav__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 4px rgba(255, 90, 31, 0.16);
}

.ay-nav__links {
  display: flex;
  gap: 22px;
}

.ay-nav__links a {
  font-size: 14px;
  color: var(--muted);
}

.ay-nav__links a:hover { color: var(--brand); }

/* Buttons */
.ay-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: 0.22s var(--ease);
}

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

.ay-btn--sm {
  min-height: 36px;
  padding: 0 14px;
  font-size: 13px;
}

.ay-btn--primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 12px 28px rgba(255, 90, 31, 0.28);
}

.ay-btn--primary:hover { background: var(--brand-deep); }

.ay-btn--ghost {
  background: #fff;
  border-color: rgba(31, 23, 20, 0.1);
  color: var(--soft);
}

.ay-btn--ghost:hover {
  border-color: rgba(255, 90, 31, 0.35);
  color: var(--brand);
}

.ay-btn--light {
  background: #fff;
  color: var(--brand-deep);
}

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

/* Hero with image */
.ay-hero {
  padding: 40px 0 28px;
  background:
    radial-gradient(700px 320px at 100% 0%, rgba(255, 90, 31, 0.12), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, #fff4ec 55%, var(--bg) 100%);
}

.ay-hero__grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 40px;
  align-items: center;
}

.ay-badge {
  display: inline-flex;
  margin-bottom: 16px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 90, 31, 0.1);
  color: var(--brand-deep);
  font-size: 13px;
  font-weight: 700;
}

.ay-brand {
  margin: 0 0 10px;
  font-size: clamp(44px, 7.5vw, 72px);
  line-height: 1.02;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.ay-brand--sm {
  font-size: clamp(34px, 6vw, 52px);
}

.ay-lead {
  margin: 0 0 12px;
  font-size: clamp(20px, 2.5vw, 26px);
  font-weight: 650;
  color: var(--soft);
}

.ay-desc {
  margin: 0 0 26px;
  max-width: 28em;
  font-size: 16px;
  color: var(--muted);
  line-height: 1.75;
}

.ay-hero__figure {
  margin: 0;
  border-radius: 28px;
  overflow: hidden;
  box-shadow:
    0 30px 60px rgba(255, 90, 31, 0.16),
    0 8px 24px rgba(31, 23, 20, 0.08);
  background: #ffe8da;
}

.ay-hero__figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* Strip */
.ay-strip {
  padding: 14px 0 28px;
}

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

.ay-strip__row span {
  padding: 8px 14px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 700;
  color: var(--soft);
}

/* Sections */
.ay-section {
  padding: 64px 0;
}

.ay-section--soft {
  background: linear-gradient(180deg, #fff1e6 0%, #fff8f3 100%);
}

.ay-section__head {
  margin-bottom: 28px;
  max-width: 520px;
}

.ay-section__head--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.ay-label {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--brand);
}

.ay-h2 {
  margin: 0 0 10px;
  font-size: clamp(26px, 3.4vw, 36px);
  line-height: 1.25;
  font-weight: 800;
}

.ay-section__head p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

/* About + mosaic */
.ay-about {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 36px;
  align-items: center;
}

.ay-about__copy p {
  margin: 0 0 14px;
  font-size: 16px;
  color: var(--muted);
  line-height: 1.8;
}

.ay-about__mosaic {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.ay-about__mosaic img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: 0 12px 28px rgba(31, 23, 20, 0.08);
}

.ay-about__mosaic img:nth-child(2) {
  transform: translateY(18px);
}

.ay-about__mosaic img:nth-child(3) {
  transform: translateY(-10px);
}

/* Services with images */
.ay-services {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.ay-service {
  background: #fff;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 12px 30px rgba(31, 23, 20, 0.05);
  transition: 0.25s var(--ease);
}

.ay-service:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(255, 90, 31, 0.14);
}

.ay-service__media {
  background: #ffe8da;
  aspect-ratio: 1;
  overflow: hidden;
}

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

.ay-service__body {
  padding: 18px 16px 20px;
}

.ay-service__body h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 800;
}

.ay-service__body p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

/* Steps */
.ay-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.ay-steps li {
  padding: 28px 22px;
  border-radius: 22px;
  background: #fff;
  border: 1px solid var(--line);
  text-align: center;
}

.ay-steps strong {
  display: block;
  margin-bottom: 12px;
  color: var(--brand);
  font-size: 20px;
  font-weight: 900;
}

.ay-steps h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 800;
}

.ay-steps p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

/* CTA */
.ay-cta {
  padding: 28px 0 72px;
}

.ay-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding: 36px 40px;
  border-radius: 28px;
  background: linear-gradient(135deg, #ff6a33, #ff5a1f 50%, #e64510);
  color: #fff;
  box-shadow: 0 24px 50px rgba(255, 90, 31, 0.28);
}

.ay-cta h2 {
  margin: 0 0 8px;
  font-size: clamp(22px, 2.8vw, 28px);
  font-weight: 800;
}

.ay-cta p {
  margin: 0;
  max-width: 34em;
  color: rgba(255, 255, 255, 0.9);
  font-size: 15px;
}

/* Inner pages */
.ay-page {
  padding: 48px 0 72px;
  background:
    radial-gradient(600px 260px at 100% 0%, rgba(255, 90, 31, 0.1), transparent 55%),
    linear-gradient(180deg, #fff 0%, var(--bg) 100%);
}

.ay-page__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 36px;
  align-items: center;
}

.ay-page__figure {
  margin: 0;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 44px rgba(255, 90, 31, 0.14);
}

.ay-page__figure img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.ay-page__form {
  max-width: 560px;
}

.ay-flash {
  margin: 18px 0;
  padding: 14px 16px;
  border-radius: 12px;
  background: #e8f6ef;
  color: #1f6b45;
}

.ay-footer {
  padding: 28px 0;
  border-top: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  font-size: 13px;
}

.ay-footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.ay-footer a:hover { color: var(--brand); }

/* Form */
.ay-form .ay-label {
  display: block;
  margin: 16px 0 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--soft);
}

.ay-form .ay-input,
.ay-form textarea.ay-input {
  width: 100%;
  min-height: 46px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  outline: none;
}

.ay-form textarea.ay-input {
  min-height: 140px;
  resize: vertical;
}

.ay-form .ay-input:focus {
  border-color: rgba(255, 90, 31, 0.45);
  box-shadow: 0 0 0 4px rgba(255, 90, 31, 0.12);
}

.ay-form .ay-error {
  margin-top: 6px;
  color: #e11d48;
  font-size: 12px;
}

.ay-captcha {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 12px;
  align-items: center;
}

.ay-captcha img {
  border-radius: 10px;
  cursor: pointer;
  border: 1px solid var(--line);
}

@media (max-width: 960px) {
  .ay-nav__links { display: none; }

  .ay-hero__grid,
  .ay-about,
  .ay-services,
  .ay-steps,
  .ay-page__grid {
    grid-template-columns: 1fr;
  }

  .ay-services {
    grid-template-columns: 1fr 1fr;
  }

  .ay-about__mosaic img:nth-child(2),
  .ay-about__mosaic img:nth-child(3) {
    transform: none;
  }

  .ay-cta__inner {
    padding: 28px 22px;
  }

  .ay-section { padding: 48px 0; }
}

@media (max-width: 560px) {
  .ay-services { grid-template-columns: 1fr; }
  .ay-wrap { width: min(100% - 28px, var(--max)); }
}