.kwai-theme {
  margin: 0;
  color: #19182b;
  background: #fff;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
.kwai-theme h1, .kwai-theme h2, .kwai-theme h3 { letter-spacing: -.04em; }
.kwai-hero {
  position: relative;
  overflow: hidden;
  padding: 92px 0 100px;
  color: #fff;
  background: radial-gradient(circle at 12% 90%, rgba(255, 73, 6, .32), transparent 30%), radial-gradient(circle at 90% 10%, rgba(127, 74, 255, .29), transparent 34%), #171429;
}
.kwai-orb { position: absolute; width: 350px; height: 350px; border-radius: 50%; filter: blur(90px); }
.kwai-orb-one { top: -240px; left: 12%; background: rgba(255, 73, 6, .35); }
.kwai-orb-two { right: -220px; bottom: -230px; background: rgba(121, 87, 255, .35); }
.kwai-hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 80px; }
.kwai-eyebrow { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 24px; padding: 8px 12px; color: #ffb89f; border: 1px solid rgba(255,255,255,.14); border-radius: 999px; background: rgba(255,255,255,.07); font-size: 10px; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.kwai-eyebrow img { width: 20px; height: 20px; border-radius: 6px; }
.kwai-copy h1 { max-width: 580px; margin: 0 0 22px; color: #fff; font-size: clamp(54px, 6vw, 78px); font-weight: 900; line-height: .96; }
.kwai-copy h1 span { color: #ff7441; }
.kwai-copy > p { max-width: 610px; margin: 0 0 25px; color: rgba(255,255,255,.68); font-size: 16px; line-height: 1.75; }
.kwai-copy ul { display: grid; gap: 11px; margin: 0; padding: 0; list-style: none; }
.kwai-copy li { position: relative; padding-left: 27px; color: rgba(255,255,255,.76); font-size: 12px; }
.kwai-copy li::before { content: "✓"; position: absolute; left: 0; color: #8bf0c7; font-weight: 900; }
.kwai-download-card { padding: 30px; color: #19182b; border-radius: 27px; background: #fff; box-shadow: 0 40px 100px rgba(5,3,18,.4); }
.kwai-card-heading { display: flex; align-items: center; gap: 13px; margin-bottom: 20px; }
.kwai-card-heading .kwai-link-icon { display: grid; width: 42px; height: 42px; place-items: center; color: #fff; border-radius: 13px; background: #ff4906; }
.kwai-link-icon img { display: block; width: 21px; height: 21px; }
.kwai-card-heading strong, .kwai-card-heading span { display: block; }
.kwai-card-heading strong { margin-bottom: 3px; font-size: 15px; }
.kwai-card-heading div > span { color: #8a8798; font-size: 11px; }
#kwai-form { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
#kwai-url { min-width: 0; min-height: 56px; padding: 14px 15px; color: #19182b; border: 1px solid #dedce8; border-radius: 14px; outline: none; background: #f9f9fc; font: inherit; font-size: 13px; }
#kwai-url:focus { border-color: #ff7b4a; box-shadow: 0 0 0 4px rgba(255,73,6,.1); background: #fff; }
#kwai-submit { min-height: 56px; padding: 13px 17px; color: #fff; border: 0; border-radius: 14px; background: linear-gradient(120deg, #ff4906, #ff6c2f); box-shadow: 0 13px 28px rgba(255,73,6,.25); font: inherit; font-size: 12px; font-weight: 850; cursor: pointer; }
#kwai-submit i { margin-right: 6px; }
#kwai-submit:disabled { opacity: .72; cursor: wait; }
.kwai-form-note { display: block; margin-top: 10px; color: #8e8b9a; font-size: 10px; line-height: 1.5; }
.kwai-alert { display: flex; align-items: flex-start; gap: 10px; margin-top: 19px; padding: 14px; color: #9e2938; border: 1px solid #f1c8ce; border-radius: 13px; background: #fff1f3; font-size: 12px; line-height: 1.55; }
.kwai-result { margin-top: 22px; padding-top: 22px; border-top: 1px solid #ecebf1; }
.kwai-result-status { margin-bottom: 14px; color: #208057; font-size: 11px; font-weight: 850; }
.kwai-result-status i { margin-right: 5px; }
.kwai-thumbnail { display: block; width: 100%; max-height: 320px; object-fit: contain; border-radius: 17px; background: #f4f3f8; }
.kwai-video-frame { background: #0d0c16; }
.kwai-video-placeholder { display: grid; min-height: 190px; place-items: center; align-content: center; gap: 10px; border-radius: 17px; background: linear-gradient(135deg, #fff0e9, #f1edff); }
.kwai-video-placeholder img { width: 55px; height: 55px; border-radius: 15px; }
.kwai-video-placeholder span { color: #817e8e; font-size: 11px; font-weight: 750; }
.kwai-result h2 { margin: 16px 0 6px; color: #19182b; font-size: 17px; line-height: 1.35; }
.kwai-quality { display: block; margin-bottom: 15px; color: #888594; font-size: 10px; }
.kwai-download-button { display: flex; min-height: 51px; align-items: center; justify-content: center; gap: 8px; padding: 13px 17px; color: #fff; border-radius: 14px; background: linear-gradient(120deg, #ff4906, #f17729); box-shadow: 0 13px 28px rgba(255,73,6,.24); font-size: 12px; font-weight: 850; text-decoration: none; }
.kwai-download-button:hover, .kwai-download-button:focus { color: #fff; text-decoration: none; transform: translateY(-1px); }
.kwai-features { padding: 100px 0; background: #fff; }
.kwai-section-heading { max-width: 720px; margin: 0 auto 45px; text-align: center; }
.kwai-section-heading > span, .kwai-how-grid > div > span { color: #ed4b11; font-size: 10px; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.kwai-section-heading h2 { margin: 12px 0 0; color: #19182b; font-size: clamp(38px, 5vw, 57px); line-height: 1.04; }
.kwai-feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.kwai-feature-grid article { min-height: 245px; padding: 29px; border: 1px solid #e8e7ef; border-radius: 22px; box-shadow: 0 14px 35px rgba(25,24,43,.06); }
.kwai-feature-grid b { display: block; margin-bottom: 46px; color: #ff5a1f; font-size: 12px; }
.kwai-feature-grid h3 { margin: 0 0 10px; font-size: 21px; }
.kwai-feature-grid p { margin: 0; color: #716f82; font-size: 13px; line-height: 1.7; }
.kwai-how { padding: 95px 0; background: #f7f6fa; }
.kwai-how-grid { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 75px; }
.kwai-how-grid h2 { margin: 10px 0 14px; font-size: clamp(39px, 5vw, 57px); line-height: 1.04; }
.kwai-how-grid > div > p { color: #716f82; line-height: 1.7; }
.kwai-how ol { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.kwai-how li { display: flex; gap: 15px; padding: 20px; border: 1px solid #e8e7ef; border-radius: 17px; background: #fff; }
.kwai-how li > b { display: grid; flex: 0 0 38px; height: 38px; place-items: center; color: #fff; border-radius: 11px; background: #ff4906; font-size: 12px; }
.kwai-how strong { display: block; margin-bottom: 3px; font-size: 14px; }
.kwai-how li p { margin: 0; color: #716f82; font-size: 12px; line-height: 1.55; }
@media (max-width: 900px) { .kwai-hero-inner, .kwai-how-grid { grid-template-columns: 1fr; gap: 48px; } .kwai-copy { text-align: center; } .kwai-copy > p { margin-inline: auto; } .kwai-copy ul { width: max-content; max-width: 100%; margin-inline: auto; text-align: left; } }
@media (max-width: 720px) { .kwai-hero { padding: 72px 0 78px; } .kwai-copy h1 { font-size: 52px; } .kwai-download-card { padding: 22px; border-radius: 22px; } #kwai-form { grid-template-columns: 1fr; } .kwai-feature-grid { grid-template-columns: 1fr; } .kwai-feature-grid article { min-height: 220px; } }