:root {
  --color-009DFF: #009DFF;
  --color-21A6DF: #21A6DF;
  --color-335BF5: #335BF5;
  --color-DEDEDE: #DEDEDE;
  --color-E42F08: #E42F08;
  --color-E61F5A: #E61F5A;
  --color-E6E6E6: #E6E6E6;
  --color-F3F3F3: #F3F3F3;
  --color-F5F5F5: #F5F5F5;
  --color-FAFAFA: #FAFAFA;
  --color-F9F9F9: #F9F9F9;
  --color-121212: #121212;
  --color-FFFFFF: #FFFFFF;
  --color-666666: #666666;

  --font-48: clamp(24px, 2.6vw, 48px);
  --font-46: clamp(23px, 2.5vw, 46px);
  --font-40: clamp(20px, 2.2vw, 40px);
  --font-24: clamp(18px, 1.25vw, 24px);
  --font-20: clamp(16px, 1.05vw, 20px);
  --font-16: clamp(14px, 0.83vw, 16px);
  --font-14: clamp(13px, 0.73vw, 14px);
  --page-gutter: clamp(18px, 2.4vw, 32px);
}



.page-shell {
  margin: 0 auto;
}

.hero-mobile,
.frame-mobile,
.full-system-mobile,
.why-tmotor__toggle,
.why-tmotor__more {
  display: none;
}

body.hs-modal-open {
  overflow: hidden;
}

.hs-modal[hidden] {
  display: none !important;
}

.hs-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 24px 16px;
  overflow-y: auto;
}

.hs-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 16, 24, 0.62);
  opacity: 0;
  transition: opacity 0.22s ease;
}

.hs-modal__dialog {
  position: relative;
  z-index: 1;
  width: min(760px, 100%);
  max-height: calc(100vh - 48px);
  margin: 0;
  padding: 28px 28px 22px;
  overflow: auto;
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.26);
  transform: translateY(22px) scale(0.98);
  transition: transform 0.28s ease;
}

.hs-modal.is-open .hs-modal__backdrop {
  opacity: 1;
}

.hs-modal.is-open .hs-modal__dialog {
  transform: translateY(0) scale(1);
}

.hs-modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 999px;
  background: #f2f6fa;
  color: #1d2733;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
}

.hs-modal__panel {
  margin-top: 14px;
}

.hs-modal .hs-form-frame {
  min-height: 560px;
}

.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  column-gap: 56px;
  padding-bottom: 88px;
  padding-top: clamp(40px, 5.4vw, 100px);
  background-image: url('./images/fpv-1.jpg');
  background-repeat: no-repeat;
  background-position: right center;
  background-size: clamp(420px, 52vw, 980px) auto;
  background-color: var(--color-FFFFFF);
}

.hero__content {
  width: min(1440px, calc(100% - (var(--page-gutter) * 2)));
  margin: 0 auto;
  box-sizing: border-box;
}

.hero__title {
  margin: 0;
  font-size: var(--font-48);
  font-weight: bold;
  line-height: 1.3;
  letter-spacing: -0.03em;
  color: var(--color-121212);
}

.hero__title-mark {
  position: relative;
  display: inline-block;
  padding-bottom: 12px;
}

.hero__title-mark-image {
  position: absolute;
  left: -2px;
  bottom: -10px;
  width: 100%;
  height: 28px;
  background: var(--color-009DFF);
  -webkit-mask: url("images/fpv-low.png") no-repeat center / 100% 100%;
  mask: url("images/fpv-low.png") no-repeat center / 100% 100%;
  pointer-events: none;
}

.hero__description {
  margin: 19px 0 38px;
  max-width: 610px;
  font-size: var(--font-20);
  line-height: 1.55;
  color: var(--color-121212);
}

.hero__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 56px;
  padding: 0 56px;
  border-radius: 4px;
  background: var(--color-009DFF);
  color: var(--color-FFFFFF);
  font-size: var(--font-16);
  transition: all 0.3s;
}

.hero__button:hover,
.full-system__cta-button:hover,
.oem__button:hover {
  background-color: var(--color-21A6DF);
  color: var(--color-FFFFFF);
}

.hero__visual {
  display: flex;
  justify-content: flex-end;
}

.hero__visual img {
  width: min(760px, 100%);
}

.section-label {
  margin: 0 0 34px;
  padding-left: 42px;
  font-size: var(--font-20);
  line-height: 1.4;
  color: var(--color-666666);
}

.performance {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-bottom: 88px;
  background-color: var(--color-FFFFFF);
}

.perfomance-box {
  width: min(1440px, calc(100% - (var(--page-gutter) * 2)));
  margin: 0 auto;
  box-sizing: border-box;
}

.performance__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 34px;
  max-width: 1440px;
  width: 100%;
}

.feature-card {
  appearance: none;
  width: 100%;
  min-height: 190px;
  padding: 36px 40px 28px;
  border: 1px solid var(--color-F3F3F3);
  background: var(--color-FFFFFF);
  box-shadow: 0 13px 19px 0 rgba(0, 0, 0, 0.2);
  color: var(--color-121212);
  font: inherit;
  text-align: left;
  transition: all 0.3s;
  cursor: pointer;
}

.feature-card:hover,
.feature-card--active {
  border-color: var(--color-009DFF);
  background: var(--color-009DFF);
  color: var(--color-FFFFFF);
  box-shadow: none;
}

.feature-card__heading {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
}

.feature-card__size {
  font-size: var(--font-48);
  font-weight: bold;
  line-height: 1;
  letter-spacing: -0.03em;
}

.feature-card__name {
  font-size: var(--font-24);
  font-weight: bold;
  line-height: 1.2;
}

.feature-card__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: var(--font-16);
  line-height: 1.6;
}

.feature-card__meta::before {
  content: "\2713";
  flex: 0 0 auto;
  font-size: 14px;
  font-weight: bold;
  line-height: 1;
}

.feature-card--active .feature-card__size,
.feature-card--active .feature-card__name {
  color: #fff;
}

.feature-card--active .feature-card__meta {
  color: rgba(255, 255, 255, 0.84);
}

.feature-card--active .feature-card__meta::before {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  color: var(--color-009DFF);
  font-size: 12px;
}

.frame {
  display: flex;
  align-items: center;
  justify-content: center;
  column-gap: 56px;
  padding-bottom: 88px;
  padding-top: clamp(40px, 5.4vw, 100px);
  background-image: url('./images/fpv-2.png');
  background-repeat: no-repeat;
  background-position: calc(100% + 600px) center;
  background-color: var(--color-F5F5F5);
}

.frame-content {
  width: min(1440px, calc(100% - (var(--page-gutter) * 2)));
  margin: 0 auto;
  box-sizing: border-box;
}

.frame-title {
  margin: 0;
  font-size: var(--font-48);
  font-weight: bold;
  line-height: 1.3;
  letter-spacing: -0.03em;
  color: var(--color-121212);
  text-align: center;
}

.frame-description {
  padding-top: clamp(14px, 2.5vw, 28px);
  color: var(--color-666666);
  text-align: center;
}

.frame-filter {
  position: relative;
  width: min(1440px, calc(100% - (var(--page-gutter) * 2)));
  margin: 0 auto;
  padding-top: clamp(40px, 4.4vw, 80px);
  box-sizing: border-box;
}

.frame-filter__toggle {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.filter-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.frame-filter__tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 132px;
  height: 38px;
  padding: 0 24px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 8px;
  background: var(--color-FFFFFF);
  color: var(--color-666666);
  font-size: var(--font-16);
  line-height: 1;
  cursor: pointer;
  transition: all 0.3s;
}

.frame-filter__tab--105 {
  min-width: 140px;
}

.frame-filter__tab--1315 {
  min-width: 156px;
}

#frame-size-75:checked~.filter-top .frame-filter__tab--75,
#frame-size-95:checked~.filter-top .frame-filter__tab--95,
#frame-size-105:checked~.filter-top .frame-filter__tab--105,
#frame-size-1315:checked~.filter-top .frame-filter__tab--1315,
#frame-size-18:checked~.filter-top .frame-filter__tab--18 {
  border-color: transparent;
  background: var(--color-009DFF);
  color: var(--color-FFFFFF);
}

.filter-bottom {
  padding-top: clamp(20px, 2.2vw, 40px);
  width: 100%;
}

.frame-panel {
  display: none;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
}

#frame-size-75:checked~.filter-bottom .frame-panel--75,
#frame-size-95:checked~.filter-bottom .frame-panel--95,
#frame-size-105:checked~.filter-bottom .frame-panel--105,
#frame-size-1315:checked~.filter-bottom .frame-panel--1315,
#frame-size-18:checked~.filter-bottom .frame-panel--18 {
  display: grid;
}

.frame-product-card {
  overflow: hidden;
  border-radius: 12px;
  background: var(--color-FFFFFF);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
}

.frame-product-card__tag {
  display: inline-flex;
  width: max-content;
  padding: 10px 24px;
  border-radius: 0 0 12px 0;
  background: rgba(0, 157, 255, 0.12);
  color: var(--color-009DFF);
  font-size: var(--font-16);
  font-weight: bold;
  line-height: 1;
}

.frame-product-card__body {
  display: flex;
  max-height: 600px;
  flex-direction: column;
  align-items: center;
  padding: 28px 40px 32px;
}

.frame-product-card__image {
  width: 220px;
  height: 220px;
  object-fit: contain;
  margin-bottom: 20px;
}

.frame-product-card__model {
  margin: 0 0 18px;
  color: var(--color-121212);
  font-size: var(--font-24);
  font-weight: bold;
  line-height: 1.1;
}

.frame-product-card__specs {
  display: grid;
  gap: 8px;
  width: 100%;
  max-width: 220px;
  margin: 0 0 32px;
  padding: 0;
  list-style: none;
  color: var(--color-666666);
  font-size: var(--font-16);
  line-height: 1.35;
  text-align: center;
}

.frame-product-card__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 262px;
  height: 46px;
  margin-top: auto;
  border: 1px solid rgba(0, 0, 0, 0.25);
  border-radius: 4px;
  background: var(--color-FFFFFF);
  color: var(--color-121212);
  font-size: var(--font-20);
  line-height: 1;
  transition: all 0.3s;
}

.frame-product-card__button--primary {
  border-color: transparent;
  background: var(--color-009DFF);
  color: var(--color-FFFFFF);
}

.frame-product-card__button:hover {
  border-color: transparent;
  background: var(--color-009DFF);
  color: var(--color-FFFFFF);
}

.full-system {
  padding: clamp(80px, 8vw, 120px) 0 120px;
  background-color: var(--color-F5F5F5);
}

.full-system__box {
  width: min(1440px, calc(100% - (var(--page-gutter) * 2)));
  margin: 0 auto;
  box-sizing: border-box;
}



.full-system__header {
  text-align: center;
}

.full-system__title {
  margin: 0;
  color: var(--color-121212);
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: bold;
  line-height: 1.2;
}

.full-system__description {
  margin: 12px auto 0;
  max-width: 760px;
  color: var(--color-666666);
  font-size: var(--font-14);
  line-height: 1.5;
}

.full-system__filter {
  position: relative;
  margin-top: 30px;
}

.full-system__toggle {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.full-system__tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
}

.full-system__tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 108px;
  height: 34px;
  padding: 0 18px;
  border-radius: 6px;
  background: var(--color-FFFFFF);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.04);
  color: var(--color-666666);
  font-size: var(--font-14);
  line-height: 1;
  cursor: pointer;
  transition: all 0.3s;
}

#full-system-75:checked~.full-system__tabs .full-system__tab--75,
#full-system-95:checked~.full-system__tabs .full-system__tab--95,
#full-system-105:checked~.full-system__tabs .full-system__tab--105,
#full-system-13:checked~.full-system__tabs .full-system__tab--13,
#full-system-15:checked~.full-system__tabs .full-system__tab--15,
#full-system-18:checked~.full-system__tabs .full-system__tab--18 {
  background: var(--color-009DFF);
  box-shadow: none;
  color: var(--color-FFFFFF);
}

.full-system__panels {
  min-height: 100px;
}

.full-system__panel {
  display: none;
}

.full-system__panel--animate {
  animation: full-system-panel-enter 0.65s cubic-bezier(0.2, 0.75, 0.2, 1) both;
}

@keyframes full-system-panel-enter {
  from {
    opacity: 0;
    transform: translateY(32px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#full-system-75:checked~.full-system__panels .full-system__panel--75,
#full-system-95:checked~.full-system__panels .full-system__panel--95,
#full-system-105:checked~.full-system__panels .full-system__panel--105,
#full-system-13:checked~.full-system__panels .full-system__panel--13,
#full-system-15:checked~.full-system__panels .full-system__panel--15,
#full-system-18:checked~.full-system__panels .full-system__panel--18 {
  display: block;
}

.system-kit+.system-kit {
  margin-top: 60px;
}

.system-kit__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 30px;
}

.system-kit-card {
  position: relative;
  min-height: 248px;
  padding: 20px 0;
  background: var(--color-FFFFFF);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.05);
  text-align: center;
  cursor: pointer;
}

/* hover 时放大 */
.system-kit-card:hover .system-kit-card__media img {
  transform: scale(1.05);
  /* 建议 1.03~1.08 之间 */
}

.system-kit-card__type {
  margin: 0;
  color: var(--color-666666);
  font-size: var(--font-16);
  line-height: 1.2;
}

.system-kit-card__media {
  width: min(100%, 280px);
  min-height: clamp(180px, 16vw, 240px);
  margin: 10px auto clamp(12px, 1vw, 18px);
  background-repeat: no-repeat;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  aspect-ratio: 1 / 1;
}

.system-kit-card__media img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 100%;
  height: auto !important;
  border-bottom: 1px solid #cdcdcd;
  object-fit: contain;
  transition: transform 0.3s ease;
  transform: scale(1);
}

.system-kit-card__name {
  margin: 0;
  color: var(--color-121212);
  font-size: var(--font-20);
  line-height: 1.25;
}

.system-kit-card__link {
  display: inline-flex;
  margin-top: 10px;
  color: var(--color-666666);
  font-size: var(--font-16);
  line-height: 1;
}

.system-kit-card__link::after {
  content: "";
  position: absolute;
  inset: 0;
}

.system-kit__summary {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 80px;
  padding: 22px 10px 70px;
}


.system-kit:not(:last-child) .system-kit__summary {
  border-bottom: 1px solid #cdcdcd;
}

.system-kit__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.system-kit__meta li,
.system-kit__desc {
  color: var(--color-666666);
  font-size: var(--font-18);
  line-height: 1.5;
}

.system-kit__meta li {
  position: relative;
  padding-left: var(--font-20);
}

.system-kit__meta li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-009DFF);
  font-size: var(--font-18);
  font-weight: bold;
}

.system-kit__desc {
  margin: 0;
  text-align: right;
}

.full-system__cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 30px;
  padding: clamp(35px, 4vw, 75px) clamp(50px, 5.5vw, 100px);
  background: rgba(0, 157, 255, 0.08);
}

.full-system__cta-title {
  margin: 0;
  color: var(--color-121212);
  font-size: var(--font-40);
  font-weight: bold;
  line-height: 1.2;
}

.full-system__cta-text {
  margin: 10px 0 0;
  color: var(--color-666666);
  font-size: var(--font-16);
  line-height: 1.5;
}

.full-system__cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 224px;
  padding: 12px 24px;
  border-radius: 4px;
  background: var(--color-009DFF);
  color: var(--color-FFFFFF);
  font-weight: bold;
  font-size: var(--font-24);
  line-height: 1;
  white-space: nowrap;
}

.why-tmotor {
  padding: clamp(84px, 7vw, 110px) 0 120px;
  background: var(--color-FFFFFF);
}

.why-tmotor__box {
  width: min(1440px, calc(100% - (var(--page-gutter) * 2)));
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  box-sizing: border-box;
}

.why-tmotor__title {
  margin: 0 0 clamp(40px, 4.4vw, 80px);
  color: var(--color-121212);
  font-size: var(--font-48);
  text-align: center;
  font-weight: bold;
  line-height: 1.14;
  letter-spacing: -0.03em;
}

.why-tmotor__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
  max-width: 1200px;
}

.why-tmotor-card {
  min-height: 318px;
  padding: 34px 34px 30px;
  border: 1px solid rgba(0, 0, 0, 0.02);
  border-radius: 22px;
  background: var(--color-FFFFFF);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.05);
  text-align: center;
}

.why-tmotor-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  margin: 0 auto 18px;
  border-radius: 18px;
  background: #f7f7f7;
}

.why-tmotor-card__icon-image {
  display: block;
  width: 31px;
  height: 31px;
}

.why-tmotor-card__title {
  margin: 0 0 10px;
  color: var(--color-121212);
  font-size: clamp(18px, 1.15vw, 22px);
  font-weight: 500;
  line-height: 1.45;
}

.why-tmotor-card__text {
  max-width: 360px;
  margin: 0 auto;
  color: #7a7a7a;
  font-size: clamp(15px, 0.95vw, 18px);
  line-height: 1.68;
}

.oem {
  position: relative;
  overflow: hidden;
  padding: clamp(45px, 4.6vw, 90px) 0 120px;
  background-color: var(--color-FFFFFF);
  background-image: url('./images/fpv-4.png');
  background-repeat: no-repeat;
  background-position: -120px center;
  background-size: 500px auto;
}

.oem__box {
  position: relative;
  width: min(1440px, calc(100% - (var(--page-gutter) * 2)));
  min-height: 610px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  box-sizing: border-box;
}

.oem__content {
  position: relative;
  z-index: 1;
  width: min(820px, 100%);
  padding-top: 32px;
}

.oem__title {
  margin: 0;
  color: var(--color-121212);
  font-size: clamp(32px, 3vw, 46px);
  font-weight: bold;
  line-height: 1.18;
  text-align: center;
  letter-spacing: -0.03em;
}

.oem__description {
  margin: 16px 0 0;
  color: #7f7f7f;

  text-align: center;
  font-size: var(--font-16);
  line-height: 1.55;
}

.oem__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 18px;
  margin-top: 80px;
}

.oem-card {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 96px;
  padding: 32px 40px;
  border-radius: 16px;
  background: #f8f8f8;
}

.oem-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-FFFFFF);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.06);
}

.oem-card__icon-image {
  display: block;
  width: 20px;
  height: 20px;
}

.oem-card__text {
  margin: 0;
  color: #6b6b6b;
  font-size: clamp(16px, 0.98vw, 18px);
  line-height: 1.3;
}

.oem__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 274px;
  height: 52px;
  margin-top: 30px;
  margin-left: auto;
  padding: 0 28px;
  border-radius: 4px;
  background: #1798ee;
  color: var(--color-FFFFFF);
  font-size: var(--font-16);
  line-height: 1;
  float: right;
}

.quote {
  padding: 0;
  background-image: linear-gradient(rgba(26, 28, 31, 0.48), rgba(26, 28, 31, 0.48)), url('./images/fpv-3.jpg');
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

.quote__box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  justify-content: space-between;
  gap: 56px;
  width: min(1200px, calc(100% - (var(--page-gutter) * 2)));
  min-height: 710px;
  margin: 0 auto;
  box-sizing: border-box;
}

.quote__content {
  color: var(--color-FFFFFF);
}

.quote__title {
  margin: 0;
  font-size: clamp(44px, 4vw, 64px);
  font-weight: bold;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.quote__description {
  max-width: 420px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.96);
  font-size: clamp(18px, 1.15vw, 24px);
  line-height: 1.5;
}

.quote__metrics {
  display: grid;
  gap: 22px;
  width: 180px;
  margin-top: 62px;
}

.quote-metric {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 13px 18px 13px 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.34);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.quote-metric__icon {
  display: block;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
}

.quote-metric__title,
.quote-metric__text {
  margin: 0;
}

.quote-metric__title {
  color: var(--color-FFFFFF);
  font-size: 18px;
  font-weight: 500;
  line-height: 1.1;
}

.quote-metric__text {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.96);
  font-size: 14px;
  line-height: 1;
}

.quote-form {
  padding: 50px 26px 24px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.36);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.14);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  margin-top: 40px;
}

.quote-form__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.quote-form__row+.quote-form__row,
.quote-form__field--full {
  margin-top: 14px;
}

.quote-form__field {
  display: block;
}

.quote-form__label {
  display: block;
  margin-bottom: 8px;
  color: var(--color-FFFFFF);
  font-size: 14px;
  line-height: 1.2;
}

.quote-form__required {
  color: #ff4444;
  margin-left: 2px;
}

.quote-form__search {
  margin-bottom: 4px;
}

.quote-form__input,
.quote-form__textarea,
.quote-form__select {
  width: 100%;
  border: 0;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.96);
  color: #5f5f5f;
  font-size: 14px;
}

.quote-form__input,
.quote-form__select {
  height: 48px;
  padding: 0 16px;
}

.quote-form__select-wrap {
  position: relative;
  display: block;
}

.quote-form__search {
  margin-bottom: 0;
}

.quote-form__dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 100;
  margin-top: 4px;
  max-height: 200px;
  overflow-y: auto;
  background: rgba(255, 255, 255, 0.96);
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.quote-form__dropdown.is-open {
  display: block;
}

.quote-form__dropdown-item {
  padding: 12px 16px;
  cursor: pointer;
  color: #5f5f5f;
  font-size: 14px;
}

.quote-form__dropdown-item:hover {
  background: #f0f0f0;
}

.quote-form__dropdown-item--no-result {
  color: #999;
  font-style: italic;
  cursor: default;
}

.quote-form__dropdown-item--no-result:hover {
  background: transparent;
}

.quote-form__select-wrap::after {
  content: "";
  position: absolute;
  right: 16px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 2px solid #5f5f5f;
  border-bottom: 2px solid #5f5f5f;
  transform: translateY(-65%) rotate(45deg);
  pointer-events: none;
}

.quote-form__textarea {
  min-height: 86px;
  padding: 14px 16px;
  resize: vertical;
  line-height: 1.45;
}

.quote-form__input::placeholder,
.quote-form__textarea::placeholder {
  color: #c4c4c4;
}

.quote-form__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 52px;
  margin-top: 28px;
  border: 0;
  border-radius: 6px;
  background: #1697ef;
  color: var(--color-FFFFFF);
  font-size: 16px;
  line-height: 1;
}

@media (max-width: 768px) {
  .hs-modal {
    padding: 12px;
  }

  .hs-modal__dialog {
    width: 100%;
    max-height: calc(100vh - 24px);
    margin: 0;
    padding: 22px 16px 16px;
    border-radius: 16px;
  }

  .hs-modal__close {
    top: 10px;
    right: 10px;
    width: 36px;
    height: 36px;
    font-size: 24px;
  }

  .hs-modal .hs-form-frame {
    min-height: 480px;
  }

  .page-shell {
    width: 100%;
    overflow: hidden;
  }

  .hero {
    display: block;
    padding: 90px 0 56px;
    background: var(--color-FFFFFF);
  }

  .hero__content,
  .performance,
  .frame-box,
  .full-system__box {
    display: none;
  }

  .hero-mobile {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 90vw;
    margin: 0 auto;
    text-align: center;
  }

  .hero-mobile__title {
    margin: 0;
    color: var(--color-121212);
    font-size: clamp(24px, 6.2vw, 48px);
    font-weight: bold;
    line-height: 1.14;
    letter-spacing: -0.03em;
    margin-bottom: 4px;
  }

  .hero-mobile__description {
    margin: 10px 0 0;
    color: #666;
    font-size: clamp(16px, 4vw, 28px);
    line-height: 1.55;
  }

  .hero-mobile__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-width: 164px;
    height: 42px;
    margin-top: 18px;
    padding: 0 18px;
    border-radius: 4px;
    background: var(--color-009DFF);
    color: var(--color-FFFFFF);
    font-size: clamp(14px, 3.2vw, 24px);
    line-height: 1;
  }

  .hero-mobile__image {
    display: block;
    width: min(100%, 360px);
    max-width: 100%;
    height: auto !important;
    margin-top: 22px;
    object-fit: contain;
  }

  .hero-mobile__performance {
    width: 100%;
    margin-top: 18px;
  }

  .hero-mobile__performance-title {
    margin: 0 0 10px;
    color: #555;
    font-size: clamp(14px, 3.2vw, 24px);
    line-height: 1.3;
  }

  .hero-mobile__performance-toggle {
    position: absolute;
    opacity: 0;
    pointer-events: none;
  }

  .hero-mobile__performance-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border: 1px solid #ddd;
    border-radius: 4px;
    overflow: hidden;
  }

  .hero-mobile__performance-tab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0 6px;
    background: #fff;
    color: #666;
    font-size: clamp(14px, 3.2vw, 24px);
    line-height: 1;
    cursor: pointer;
  }

  .hero-mobile__performance-tab+.hero-mobile__performance-tab {
    border-left: 1px solid #ddd;
  }

  #mobile-performance-75:checked~.hero-mobile__performance-nav .hero-mobile__performance-tab--75,
  #mobile-performance-95:checked~.hero-mobile__performance-nav .hero-mobile__performance-tab--95,
  #mobile-performance-18:checked~.hero-mobile__performance-nav .hero-mobile__performance-tab--18 {
    background: var(--color-009DFF);
    color: var(--color-FFFFFF);
    font-weight: 500;
  }

  .hero-mobile__performance-copy {
    margin-top: 12px;
  }

  .hero-mobile__performance-text {
    display: none;
    margin: 0;
    color: var(--color-009DFF);
    font-size: clamp(16px, 4vw, 28px);
    line-height: 1.45;
  }

  #mobile-performance-75:checked~.hero-mobile__performance-copy .hero-mobile__performance-text--75,
  #mobile-performance-95:checked~.hero-mobile__performance-copy .hero-mobile__performance-text--95,
  #mobile-performance-18:checked~.hero-mobile__performance-copy .hero-mobile__performance-text--18 {
    display: block;
  }

  .frame {
    display: block;
    padding: 42px 0 36px;
    background: var(--color-F5F5F5);
  }

  .frame-mobile {
    display: block;
    width: 100%;
    max-width: 90vw;
    margin: 0 auto;
  }

  .frame-mobile__header,
  .full-system-mobile__header {
    text-align: center;
  }

  .frame-mobile__title,
  .full-system-mobile__title {
    margin: 0;
    color: var(--color-121212);
    font-size: clamp(24px, 6.2vw, 48px);
    font-weight: bold;
    line-height: 1.15;
  }

  .frame-mobile__description,
  .full-system-mobile__description {
    margin: 10px auto 0;
    color: #666;
    font-size: clamp(14px, 3.2vw, 24px);
    line-height: 1.45;
  }

  .mobile-accordion {
    overflow: hidden;
    margin-top: 12px;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
  }

  .mobile-accordion__summary {
    position: relative;
    padding: 19px 44px 19px 20px;
    list-style: none;
    color: var(--color-121212);
    font-size: clamp(16px, 4vw, 28px);
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
  }

  .mobile-accordion__summary::-webkit-details-marker,
  .mobile-accordion__summary::marker {
    display: none;
  }

  .mobile-accordion__summary::after {
    content: "";
    position: absolute;
    right: 18px;
    top: 50%;
    width: 7px;
    height: 7px;
    border-right: 1.5px solid #999;
    border-bottom: 1.5px solid #999;
    transform: translateY(-70%) rotate(45deg);
    transition: transform 0.2s ease;
  }

  .mobile-accordion[open] .mobile-accordion__summary::after {
    transform: translateY(-30%) rotate(-135deg);
  }

  .mobile-accordion__body {
    padding: 0 18px 10px;
  }

  .mobile-product {
    display: grid;
    grid-template-columns: 92px 1fr;
    gap: 32px;
    align-items: start;
    padding: 16px 0;
  }

  .mobile-product+.mobile-product {
    border-top: 1px solid #e7e7e7;
  }

  .mobile-product__media {
    text-align: center;
  }

  .mobile-product__info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100%;
  }

  .mobile-product__media img {
    display: block;
    width: 90px;
    height: 90px;
    margin: 0 auto 10px;
    object-fit: contain;
  }

  .mobile-product__name {
    margin: 0;
    color: var(--color-121212);
    font-size: clamp(14px, 3.2vw, 24px);
    font-weight: 700;
    line-height: 1;
  }

  .mobile-product__specs {
    display: grid;
    gap: 3px;
    margin: 0;
    padding: 0;
    list-style: none;
    color: #666;
    font-size: clamp(14px, 3.2vw, 24px);
    line-height: 1.25;
  }

  .mobile-product__link,
  .mobile-kit-card__link {
    display: inline-flex;
    margin-top: 12px;
    color: #888;
    font-size: clamp(14px, 3.2vw, 24px);
    line-height: 1;
  }

  .full-system {
    padding: 42px 0 52px;
    background: var(--color-F5F5F5);
  }

  .full-system-mobile {
    display: block;
    width: 100%;
    max-width: 90vw;
    margin: 0 auto;
  }

  .mobile-accordion--kit .mobile-accordion__body {
    padding: 0 0 0;
  }

  .mobile-kit-card {
    overflow: hidden;
    margin: 0 0 16px;
    background: #fff;
  }

  .mobile-kit-card__motor {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 16px 18px;
    background: #eaf7ff;
  }

  .mobile-kit-card__motor-copy {
    padding-top: 4px;
  }

  .mobile-kit-card__motor-name {
    margin: 0;
    color: var(--color-121212);
    font-size: clamp(16px, 4vw, 28px);
    font-weight: bold;
    line-height: 1.25;
  }

  .mobile-kit-card__motor-image {
    display: block;
    width: 118px;
    height: 92px;
    object-fit: contain;
  }

  .mobile-kit-card__components {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    padding: 18px 12px 14px;
    text-align: center;
  }

  .mobile-kit-card__component img {
    display: block;
    width: 56px;
    height: 56px;
    margin: 0 auto 10px;
    object-fit: contain;
  }

  .mobile-kit-card__component p {
    margin: 0;
    color: var(--color-121212);
    font-size: clamp(14px, 3.2vw, 24px);
    font-weight: bold;
    line-height: 1.2;
  }

  .mobile-kit-card__component .mobile-kit-card__link {
    margin-top: 12px;
  }

  .mobile-kit-card__meta {
    display: flex;
    justify-content: flex-start;
    gap: 18px;
    margin: 0 14px;
    padding: 14px 0 0;
    border-top: 1px solid #ececec;
    list-style: none;
    color: #666;
    font-size: clamp(14px, 3.2vw, 24px);
    line-height: 1.2;
  }

  .mobile-kit-card__title {
    margin: 18px 14px 0;
    color: var(--color-121212);
    font-size: clamp(16px, 4vw, 28px);
    font-weight: bold;
    line-height: 1.2;
  }

  .mobile-kit-card__desc {
    margin: 10px 14px 18px;
    color: #666;
    font-size: clamp(14px, 3.2vw, 24px);
    line-height: 1.45;
  }

  .full-system-mobile__cta {
    margin-top: 20px;
    padding: 10px 4px 0;
    text-align: center;
  }

  .full-system-mobile__cta-title {
    max-width: 260px;
    margin: 0 auto;
    color: var(--color-121212);
    font-size: clamp(16px, 4vw, 28px);
    font-weight: 700;
    line-height: 1.25;
  }

  .full-system-mobile__cta-text {
    max-width: 310px;
    margin: 10px auto 0;
    color: #444;
    font-size: clamp(14px, 3.2vw, 24px);
    line-height: 1.45;
  }

  .full-system-mobile__cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 42px;
    margin-top: 18px;
    border-radius: 4px;
    background: var(--color-009DFF);
    color: var(--color-FFFFFF);
    font-size: clamp(14px, 3.2vw, 24px);
    line-height: 1;
  }

  .why-tmotor {
    padding: 52px 0 60px;
  }

  .why-tmotor__box {
    width: 100%;
    max-width: 90vw;
  }

  .why-tmotor__title {
    max-width: 300px;
    margin-bottom: 30px;
    font-size: clamp(24px, 6.2vw, 48px);
    line-height: 1.22;
  }

  .why-tmotor__toggle {
    position: absolute;
    opacity: 0;
    pointer-events: none;
  }

  .why-tmotor__grid {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .why-tmotor-card {
    min-height: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    text-align: center;
  }

  .why-tmotor-card__icon {
    width: 72px;
    height: 72px;
    margin-bottom: 18px;
    border-radius: 16px;
  }

  .why-tmotor-card__title {
    font-size: clamp(16px, 4vw, 28px);
    line-height: 1.45;
  }

  .why-tmotor-card__text {
    font-size: clamp(14px, 3.2vw, 24px);
    line-height: 1.75;
  }

  .why-tmotor__toggle:not(:checked)~.why-tmotor__grid .why-tmotor-card:nth-child(n + 3) {
    display: none;
  }

  .why-tmotor__more {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
    color: #666;
    font-size: clamp(14px, 3.2vw, 24px);
    line-height: 1;
    cursor: pointer;
  }

  .why-tmotor__more::after {
    content: "";
    width: 7px;
    height: 7px;
    border-right: 1.5px solid #666;
    border-bottom: 1.5px solid #666;
    transform: rotate(45deg);
  }

  .why-tmotor__toggle:checked~.why-tmotor__grid .why-tmotor-card {
    display: block;
  }

  .why-tmotor__toggle:checked~.why-tmotor__more {
    display: none;
  }

  .oem {
    padding: 48px 0 56px;
    background-image: linear-gradient(rgba(20, 20, 20, 0.78), rgba(20, 20, 20, 0.78)), url('./images/fpv-3.jpg');
    background-position: center;
    background-size: cover;
  }

  .oem__box {
    width: 100%;
    max-width: 90vw;
    min-height: 0;
  }

  .oem__content {
    width: 100%;
    padding-top: 0;
  }

  .oem__title {
    color: var(--color-FFFFFF);
    font-size: clamp(24px, 6.2vw, 48px);
    line-height: 1.22;
    max-width: 300px;
    margin: 0 auto;
  }

  .oem__description {
    max-width: 320px;
    margin: 14px auto 0;
    color: rgba(255, 255, 255, 0.92);
    font-size: clamp(14px, 3.2vw, 24px);
    line-height: 1.5;
  }

  .oem__grid {
    gap: 0;
    margin-top: 28px;
  }

  .oem-card {
    min-height: 0;
    padding: 24px 10px;
    flex-direction: column;
    justify-content: flex-start;
    gap: 12px;
    border-radius: 0;
    background: transparent;
  }

  .oem-card:nth-child(odd) {
    border-right: 1px solid rgba(255, 255, 255, 0.26);
  }

  .oem-card:nth-child(n + 3) {
    border-top: 1px solid rgba(255, 255, 255, 0.26);
  }

  .oem-card__icon {
    width: auto;
    height: auto;
    background: transparent;
    box-shadow: none;
  }

  .oem-card__icon-image {
    width: 24px;
    height: 24px;
    filter: brightness(0) invert(1);
  }

  .oem-card__text {
    color: var(--color-FFFFFF);
    text-align: center;
    font-size: clamp(14px, 3.2vw, 24px);
    line-height: 1.5;
  }

  .oem__button {
    display: inline-flex;
    justify-content: center;
    width: 100%;
    min-width: 0;
    margin: 24px 0 0;
    float: none;
  }

  .quote {
    padding: 56px 0 60px;
    background: var(--color-FFFFFF);
  }

  .quote__box {
    display: block;
    width: 100%;
    max-width: 90vw;
    min-height: 0;
  }

  .quote__content {
    color: var(--color-121212);
  }

  .quote__title {
    font-size: clamp(24px, 6.2vw, 48px);
    line-height: 1.2;
  }

  .quote__description {
    max-width: none;
    color: #555;
    margin-top: 14px;
    font-size: clamp(14px, 3.2vw, 24px);
    line-height: 1.6;
  }

  .quote__metrics {
    display: none;
  }

  .quote-form {
    padding: 0;
    margin-top: 26px;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .quote-form__row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .quote-form__row+.quote-form__row,
  .quote-form__field--full {
    margin-top: 0;
  }

  .quote-form__field {
    margin-bottom: 18px;
  }

  .quote-form__label {
    color: var(--color-121212);
    font-size: clamp(14px, 3.2vw, 24px);
  }

  .quote-form__input,
  .quote-form__textarea,
  .quote-form__select {
    border: 1px solid #d7d7d7;
    border-radius: 8px;
    background: #fff;
  }

  .quote-form__input,
  .quote-form__select {
    height: 52px;
  }

  .quote-form__textarea {
    min-height: 112px;
  }

  .quote-form__button {
    height: 52px;
    margin-top: 4px;
    border-radius: 4px;
    font-size: clamp(14px, 3.2vw, 24px);
  }
}