:root {
  --bg: #0F1226;
  --bg-2: #161A35;
  --card: #1C2142;
  --line: rgba(255, 255, 255, .09);
  --text: #F4F3FA;
  --muted: #A8ABC6;
  --coral: #FF4D5E;
  --yellow: #FFC93C;
  --sky: #3CC8FF;
  --wa: #25D366;
  --wa-dark: #1DA851;
  --radius: 22px;
  --head: "Fredoka", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  --body: "Nunito", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
  overflow-x: hidden;
}
.lang-zh { line-height: 1.8; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--head); line-height: 1.15; margin: 0 0 .5em; font-weight: 600; letter-spacing: -.01em; }
h2 { font-size: clamp(30px, 5vw, 46px); }
h3 { font-size: 21px; }
p { margin: 0 0 1em; }
.ico { width: 1.25em; height: 1.25em; flex: none; }

.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 820px; }
.center { text-align: center; }
.muted { color: var(--muted); }
.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--yellow); color: #000; padding: 8px 14px; border-radius: 8px; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--yellow); outline-offset: 3px; border-radius: 6px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  padding: 13px 22px; border-radius: 999px; border: 2px solid transparent;
  font: 700 16px/1.2 var(--body); text-decoration: none; cursor: pointer;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-lg { padding: 16px 28px; font-size: 17px; }
.btn-block { width: 100%; }
.btn-wa { background: var(--wa); color: #fff; box-shadow: 0 10px 30px -10px rgba(37, 211, 102, .6); }
.btn-wa:hover { background: var(--wa-dark); }
.btn-ghost { border-color: rgba(255, 255, 255, .25); color: var(--text); }
.btn-ghost:hover { border-color: #fff; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(15, 18, 38, .78);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-family: var(--head); font-size: 22px; font-weight: 600; white-space: nowrap; }
.brand b { color: var(--coral); font-weight: 600; }
.logo-mark { width: 22px; height: 28px; }
.nav { display: flex; gap: 22px; }
.nav a { text-decoration: none; color: var(--muted); font-weight: 600; font-size: 15px; }
.nav a:hover { color: var(--text); }
@media (min-width: 900px) and (max-width: 1099px) { .nav { gap: 14px; } .nav a { font-size: 14px; } }
.header-right { display: flex; align-items: center; gap: 10px; }
.lang-switch { display: inline-flex; flex: none; border: 1px solid var(--line); border-radius: 999px; padding: 3px; }
.lang-switch a { text-decoration: none; font-size: 13px; font-weight: 700; line-height: 1.4; padding: 4px 10px; border-radius: 999px; color: var(--muted); white-space: nowrap; }
.lang-switch a[aria-current] { background: var(--text); color: var(--bg); }
.menu-btn { display: none; width: 42px; height: 42px; border: 0; background: transparent; cursor: pointer; padding: 10px; flex-direction: column; justify-content: center; gap: 6px; }
.menu-btn span { display: block; height: 2px; background: var(--text); border-radius: 2px; transition: transform .2s; }
.menu-btn[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

@media (max-width: 899px) {
  .menu-btn { display: flex; }
  .nav {
    position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: var(--bg-2); border-bottom: 1px solid var(--line);
    padding: 8px 16px 16px;
    display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; font-size: 18px; border-bottom: 1px solid var(--line); color: var(--text); }
}
@media (max-width: 899px) {
  .header-inner { gap: 8px; }
  .brand { min-width: 0; font-size: 20px; gap: 8px; }
  .header-right { gap: 4px; flex: none; }
  .lang-switch a { padding: 4px 8px; }
  .menu-btn { width: 38px; padding: 10px 8px; }
}
@media (max-width: 380px) {
  .brand { font-size: 17px; }
  .logo-mark { width: 18px; height: 23px; }
  .lang-switch a { padding: 4px 6px; font-size: 12px; }
}

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; padding: 40px 0 56px; }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(600px 400px at 85% 20%, rgba(255, 77, 94, .22), transparent 70%),
    radial-gradient(500px 400px at 10% 90%, rgba(60, 200, 255, .16), transparent 70%);
}
.hero-grid { position: relative; display: grid; gap: 36px; align-items: center; }
.eyebrow { display: inline-block; font-weight: 700; font-size: 14px; letter-spacing: .08em; text-transform: uppercase; color: var(--yellow); margin-bottom: 18px; }
.hero h1 { font-size: clamp(38px, 7.4vw, 72px); font-weight: 700; margin-bottom: 20px; }
.hero h1 em { font-style: normal; background: linear-gradient(90deg, var(--coral), var(--yellow)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { font-size: clamp(17px, 2.2vw, 20px); color: var(--muted); max-width: 34em; margin-bottom: 28px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.reply-note { display: flex; align-items: center; gap: 8px; margin: 18px 0 0; color: var(--muted); font-size: 15px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--wa); box-shadow: 0 0 0 4px rgba(37, 211, 102, .2); }
.hero-photo { position: relative; }
.hero-photo img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 30%; border-radius: 28px; box-shadow: 0 30px 80px -30px rgba(0, 0, 0, .8); }
.hero-photo::before {
  content: ""; position: absolute; inset: -10px -10px 10px 10px; border-radius: 32px;
  border: 2px solid rgba(255, 201, 60, .5); z-index: -1;
}
@media (min-width: 900px) {
  .hero { padding: 72px 0 96px; }
  .hero-grid { grid-template-columns: 1.1fr .9fr; gap: 64px; }
  .hero-photo { transform: rotate(1.5deg); }
}
@media (max-width: 599px) {
  .hero-cta .btn { width: 100%; }
}

/* floating balloons */
.hero-balloons i {
  position: absolute; width: 46px; height: 56px; border-radius: 50% 50% 48% 48%;
  opacity: .55; animation: float 9s ease-in-out infinite;
}
.hero-balloons i::after { content: ""; position: absolute; left: 50%; top: 100%; width: 1px; height: 40px; background: rgba(255, 255, 255, .25); }
.hero-balloons i:nth-child(1) { background: var(--coral); left: 4%; top: 12%; }
.hero-balloons i:nth-child(2) { background: var(--yellow); left: 46%; top: 6%; width: 30px; height: 37px; animation-delay: -3s; }
.hero-balloons i:nth-child(3) { background: var(--sky); right: 3%; bottom: 8%; animation-delay: -5s; }
.hero-balloons i:nth-child(4) { background: var(--coral); left: 38%; bottom: 4%; width: 24px; height: 30px; animation-delay: -2s; }
.hero-balloons i:nth-child(5) { background: var(--sky); right: 40%; top: 30%; width: 20px; height: 25px; animation-delay: -6s; opacity: .35; }
@media (max-width: 899px) {
  .hero-balloons i:nth-child(1) { left: auto; right: 5%; top: 4%; width: 30px; height: 37px; }
  .hero-balloons i:nth-child(2), .hero-balloons i:nth-child(4), .hero-balloons i:nth-child(5) { display: none; }
}
@keyframes float { 0%, 100% { transform: translateY(0) rotate(-4deg); } 50% { transform: translateY(-22px) rotate(4deg); } }

/* ---------- trust ---------- */
.trust { border-block: 1px solid var(--line); background: var(--bg-2); }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.trust-item { padding: 26px 8px; text-align: center; display: flex; flex-direction: column; gap: 4px; }
.trust-item + .trust-item { border-left: 1px solid var(--line); }
.trust-item strong { font-family: var(--head); font-size: clamp(30px, 6vw, 48px); line-height: 1; font-weight: 700; }
.trust-item:nth-child(1) strong { color: var(--coral); }
.trust-item:nth-child(2) strong { color: var(--yellow); }
.trust-item:nth-child(3) strong { color: var(--sky); }
.trust-item span { color: var(--muted); font-size: 14px; line-height: 1.35; }

/* ---------- sections ---------- */
.section { padding: 80px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 44px; }
.section-head p:last-child:not(.kicker) { color: var(--muted); font-size: 18px; }
.kicker { font-weight: 700; font-size: 14px; letter-spacing: .1em; text-transform: uppercase; color: var(--coral); margin-bottom: 10px; }
@media (min-width: 900px) { .section { padding: 112px 0; } }

/* about */
.about-grid { display: grid; gap: 40px; align-items: center; }
.about-photo img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: var(--radius); }
.about-text .kicker { margin-bottom: 10px; }
.about-text p { color: #D9DAEA; }
.punch { font-family: var(--head); font-size: 24px; color: var(--yellow) !important; margin-top: 8px; }
.lang-note { border-left: 3px solid var(--sky); padding: 4px 0 4px 16px; color: var(--text) !important; }
@media (min-width: 900px) { .about-grid { grid-template-columns: .85fr 1.15fr; gap: 72px; } }

/* services */
.services { display: grid; gap: 24px; }
.service { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: grid; }
.service-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.service-body { padding: 24px; }
.service-body p { color: var(--muted); margin: 0; }
.service-num { font-family: var(--head); font-weight: 700; color: var(--coral); font-size: 15px; display: block; margin-bottom: 6px; }
@media (min-width: 900px) {
  .service { grid-template-columns: 1fr 1fr; align-items: center; }
  .service:nth-child(even) .service-media { order: 2; }
  .service-media img { aspect-ratio: 5 / 4; height: 100%; }
  .service-body { padding: 48px; }
  .service-body h3 { font-size: 28px; }
}

/* why */
.why { background: var(--bg-2); }
.why-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.why-list li { display: flex; align-items: center; gap: 14px; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 18px 20px; font-weight: 700; }
.why-ico { font-size: 26px; line-height: 1; }

/* gallery */
.gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 32px; }
.g-item { padding: 0; border: 0; background: none; cursor: zoom-in; border-radius: 16px; overflow: hidden; }
.g-item img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; transition: transform .4s ease; }
.g-item:hover img { transform: scale(1.04); }
.g-item.wide { grid-column: span 2; }
.g-item.wide img { aspect-ratio: 8 / 5; }
@media (min-width: 900px) { .gallery { grid-template-columns: repeat(4, 1fr); gap: 14px; } }

/* works */
.works-sec { padding-top: 0; }
.works { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.work { position: relative; background: #fff; }
.work img { aspect-ratio: 3 / 4; }
.work:first-child { grid-column: span 2; }
.work:first-child img { aspect-ratio: 4 / 3; object-fit: contain; background: #f6eef2; }
.work-label {
  position: absolute; left: 10px; bottom: 10px;
  padding: 5px 12px; border-radius: 999px;
  background: rgba(15, 18, 38, .78); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  color: #fff; font-weight: 700; font-size: 14px; line-height: 1.3;
}
@media (min-width: 900px) {
  .works { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .work:first-child { grid-column: auto; }
  .work:first-child img { aspect-ratio: 3 / 4; object-fit: cover; background: none; }
  .work-label { left: 14px; bottom: 14px; font-size: 15px; }
}

.lightbox { padding: 0; border: 0; background: transparent; max-width: 94vw; max-height: 92vh; }
.lightbox::backdrop { background: rgba(5, 6, 15, .92); }
.lightbox img { max-width: 94vw; max-height: 88vh; border-radius: 14px; }
.lb-close { position: fixed; top: 14px; right: 16px; width: 44px; height: 44px; border-radius: 50%; border: 0; background: rgba(255, 255, 255, .15); color: #fff; font-size: 28px; line-height: 1; cursor: pointer; }

/* reviews */
.reviews { display: grid; gap: 20px; }
.review { margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; position: relative; display: flex; flex-direction: column; }
.review::before { content: "“"; position: absolute; top: -6px; right: 22px; font: 700 110px/1 var(--head); color: var(--coral); opacity: .35; }
.review blockquote { margin: 0 0 12px; font-family: var(--head); font-size: 21px; line-height: 1.4; font-weight: 500; }
.review:first-child blockquote { font-size: 24px; }
.review-tr { color: var(--muted); font-size: 15px; }
.review figcaption { margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line); display: flex; flex-direction: column; font-size: 15px; }
.review figcaption span { color: var(--muted); }
@media (min-width: 900px) {
  .reviews { grid-template-columns: 1.3fr 1fr 1fr; }
}

/* packages */
.pkgs { display: grid; gap: 18px; margin-bottom: 24px; }
@media (min-width: 600px) { .pkgs { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .pkgs { grid-template-columns: repeat(4, 1fr); } }
.pkg { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; display: flex; flex-direction: column; }
.pkg:nth-child(1) { border-top: 4px solid var(--coral); }
.pkg:nth-child(2) { border-top: 4px solid var(--yellow); }
.pkg:nth-child(3) { border-top: 4px solid var(--sky); }
.pkg:nth-child(4) { border-top: 4px solid #B07CFF; }
.pkg ul { list-style: none; padding: 0; margin: 0 0 24px; flex: 1; }
.pkg li { padding: 6px 0 6px 26px; position: relative; color: #D9DAEA; }
.pkg li::before { content: "✓"; position: absolute; left: 0; color: var(--wa); font-weight: 700; }
.pkg .btn { padding: 12px 16px; font-size: 15px; }

/* faq */
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 22px 40px 22px 0; font-weight: 700; font-size: 18px; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); font: 600 28px/1 var(--head); color: var(--coral); transition: transform .2s; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { color: var(--muted); margin: 0 0 22px; }

/* final cta */
.final { padding: 88px 0 100px; position: relative; overflow: hidden; background:
  radial-gradient(700px 360px at 50% 0%, rgba(255, 77, 94, .28), transparent 70%), var(--bg-2); }
.final-inner { text-align: center; max-width: 720px; }
.final p { color: var(--muted); font-size: 18px; margin-bottom: 28px; }
.final .final-hint { font-size: 15px; margin: 14px 0 0; }
.wechat { display: flex; width: fit-content; max-width: 100%; align-items: center; flex-wrap: wrap; justify-content: center; gap: 10px; margin: 22px auto 0; padding: 10px 12px 10px 18px; border: 1px solid var(--line); border-radius: 999px; background: var(--card); }
.wechat .ico { color: #07C160; }
.copy-btn { border: 0; border-radius: 999px; padding: 6px 14px; background: #07C160; color: #fff; font: 700 14px var(--body); cursor: pointer; }

/* footer */
.site-footer { border-top: 1px solid var(--line); padding: 48px 0 100px; font-size: 15px; }
.footer-inner { display: grid; gap: 28px; }
.footer-inner .brand { margin-bottom: 10px; }
.contacts { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.contacts a, .contacts span { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--muted); word-break: break-all; }
.contacts a:hover { color: var(--text); }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
@media (min-width: 900px) { .footer-inner { grid-template-columns: 1fr auto; } }

/* floating whatsapp */
.wa-float {
  position: fixed; right: 18px; bottom: calc(18px + env(safe-area-inset-bottom)); z-index: 60;
  width: 60px; height: 60px; border-radius: 50%; background: var(--wa); color: #fff;
  display: grid; place-items: center; box-shadow: 0 12px 30px -8px rgba(0, 0, 0, .6);
  transition: transform .2s;
}
.wa-float .ico { width: 32px; height: 32px; }
.wa-float:hover { transform: scale(1.08); }
.wa-float::before { content: ""; position: absolute; inset: 0; border-radius: 50%; background: var(--wa); animation: ping 2.4s ease-out infinite; z-index: -1; }
@keyframes ping { 0% { transform: scale(1); opacity: .5; } 80%, 100% { transform: scale(1.6); opacity: 0; } }

/* reveal on scroll */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}